diff options
Diffstat (limited to 'drivers/media/dvb-frontends/drx39xyj/drxj.c')
| -rw-r--r-- | drivers/media/dvb-frontends/drx39xyj/drxj.c | 12404 |
1 files changed, 12404 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/drx39xyj/drxj.c b/drivers/media/dvb-frontends/drx39xyj/drxj.c new file mode 100644 index 0000000000..a738573c8c --- /dev/null +++ b/drivers/media/dvb-frontends/drx39xyj/drxj.c @@ -0,0 +1,12404 @@ +/* + Copyright (c), 2004-2005,2007-2010 Trident Microsystems, Inc. + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name of Trident Microsystems nor Hauppauge Computer Works + nor the names of its contributors may be used to endorse or promote + products derived from this software without specific prior written + permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + DRXJ specific implementation of DRX driver + authors: Dragan Savic, Milos Nikolic, Mihajlo Katona, Tao Ding, Paul Janssen + + The Linux DVB Driver for Micronas DRX39xx family (drx3933j) was + written by Devin Heitmueller <devin.heitmueller@kernellabs.com> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +/*----------------------------------------------------------------------------- +INCLUDE FILES +----------------------------------------------------------------------------*/ + +#define pr_fmt(fmt) KBUILD_MODNAME ":%s: " fmt, __func__ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/string.h> +#include <linux/slab.h> +#include <asm/div64.h> + +#include <media/dvb_frontend.h> +#include "drx39xxj.h" + +#include "drxj.h" +#include "drxj_map.h" + +/*============================================================================*/ +/*=== DEFINES ================================================================*/ +/*============================================================================*/ + +#define DRX39XX_MAIN_FIRMWARE "dvb-fe-drxj-mc-1.0.8.fw" + +/* +* \brief Maximum u32 value. +*/ +#ifndef MAX_U32 +#define MAX_U32 ((u32) (0xFFFFFFFFL)) +#endif + +/* Customer configurable hardware settings, etc */ +#ifndef MPEG_SERIAL_OUTPUT_PIN_DRIVE_STRENGTH +#define MPEG_SERIAL_OUTPUT_PIN_DRIVE_STRENGTH 0x02 +#endif + +#ifndef MPEG_PARALLEL_OUTPUT_PIN_DRIVE_STRENGTH +#define MPEG_PARALLEL_OUTPUT_PIN_DRIVE_STRENGTH 0x02 +#endif + +#ifndef MPEG_OUTPUT_CLK_DRIVE_STRENGTH +#define MPEG_OUTPUT_CLK_DRIVE_STRENGTH 0x06 +#endif + +#ifndef OOB_CRX_DRIVE_STRENGTH +#define OOB_CRX_DRIVE_STRENGTH 0x02 +#endif + +#ifndef OOB_DRX_DRIVE_STRENGTH +#define OOB_DRX_DRIVE_STRENGTH 0x02 +#endif +/*** START DJCOMBO patches to DRXJ registermap constants *********************/ +/*** registermap 200706071303 from drxj **************************************/ +#define ATV_TOP_CR_AMP_TH_FM 0x0 +#define ATV_TOP_CR_AMP_TH_L 0xA +#define ATV_TOP_CR_AMP_TH_LP 0xA +#define ATV_TOP_CR_AMP_TH_BG 0x8 +#define ATV_TOP_CR_AMP_TH_DK 0x8 +#define ATV_TOP_CR_AMP_TH_I 0x8 +#define ATV_TOP_CR_CONT_CR_D_MN 0x18 +#define ATV_TOP_CR_CONT_CR_D_FM 0x0 +#define ATV_TOP_CR_CONT_CR_D_L 0x20 +#define ATV_TOP_CR_CONT_CR_D_LP 0x20 +#define ATV_TOP_CR_CONT_CR_D_BG 0x18 +#define ATV_TOP_CR_CONT_CR_D_DK 0x18 +#define ATV_TOP_CR_CONT_CR_D_I 0x18 +#define ATV_TOP_CR_CONT_CR_I_MN 0x80 +#define ATV_TOP_CR_CONT_CR_I_FM 0x0 +#define ATV_TOP_CR_CONT_CR_I_L 0x80 +#define ATV_TOP_CR_CONT_CR_I_LP 0x80 +#define ATV_TOP_CR_CONT_CR_I_BG 0x80 +#define ATV_TOP_CR_CONT_CR_I_DK 0x80 +#define ATV_TOP_CR_CONT_CR_I_I 0x80 +#define ATV_TOP_CR_CONT_CR_P_MN 0x4 +#define ATV_TOP_CR_CONT_CR_P_FM 0x0 +#define ATV_TOP_CR_CONT_CR_P_L 0x4 +#define ATV_TOP_CR_CONT_CR_P_LP 0x4 +#define ATV_TOP_CR_CONT_CR_P_BG 0x4 +#define ATV_TOP_CR_CONT_CR_P_DK 0x4 +#define ATV_TOP_CR_CONT_CR_P_I 0x4 +#define ATV_TOP_CR_OVM_TH_MN 0xA0 +#define ATV_TOP_CR_OVM_TH_FM 0x0 +#define ATV_TOP_CR_OVM_TH_L 0xA0 +#define ATV_TOP_CR_OVM_TH_LP 0xA0 +#define ATV_TOP_CR_OVM_TH_BG 0xA0 +#define ATV_TOP_CR_OVM_TH_DK 0xA0 +#define ATV_TOP_CR_OVM_TH_I 0xA0 +#define ATV_TOP_EQU0_EQU_C0_FM 0x0 +#define ATV_TOP_EQU0_EQU_C0_L 0x3 +#define ATV_TOP_EQU0_EQU_C0_LP 0x3 +#define ATV_TOP_EQU0_EQU_C0_BG 0x7 +#define ATV_TOP_EQU0_EQU_C0_DK 0x0 +#define ATV_TOP_EQU0_EQU_C0_I 0x3 +#define ATV_TOP_EQU1_EQU_C1_FM 0x0 +#define ATV_TOP_EQU1_EQU_C1_L 0x1F6 +#define ATV_TOP_EQU1_EQU_C1_LP 0x1F6 +#define ATV_TOP_EQU1_EQU_C1_BG 0x197 +#define ATV_TOP_EQU1_EQU_C1_DK 0x198 +#define ATV_TOP_EQU1_EQU_C1_I 0x1F6 +#define ATV_TOP_EQU2_EQU_C2_FM 0x0 +#define ATV_TOP_EQU2_EQU_C2_L 0x28 +#define ATV_TOP_EQU2_EQU_C2_LP 0x28 +#define ATV_TOP_EQU2_EQU_C2_BG 0xC5 +#define ATV_TOP_EQU2_EQU_C2_DK 0xB0 +#define ATV_TOP_EQU2_EQU_C2_I 0x28 +#define ATV_TOP_EQU3_EQU_C3_FM 0x0 +#define ATV_TOP_EQU3_EQU_C3_L 0x192 +#define ATV_TOP_EQU3_EQU_C3_LP 0x192 +#define ATV_TOP_EQU3_EQU_C3_BG 0x12E +#define ATV_TOP_EQU3_EQU_C3_DK 0x18E +#define ATV_TOP_EQU3_EQU_C3_I 0x192 +#define ATV_TOP_STD_MODE_MN 0x0 +#define ATV_TOP_STD_MODE_FM 0x1 +#define ATV_TOP_STD_MODE_L 0x0 +#define ATV_TOP_STD_MODE_LP 0x0 +#define ATV_TOP_STD_MODE_BG 0x0 +#define ATV_TOP_STD_MODE_DK 0x0 +#define ATV_TOP_STD_MODE_I 0x0 +#define ATV_TOP_STD_VID_POL_MN 0x0 +#define ATV_TOP_STD_VID_POL_FM 0x0 +#define ATV_TOP_STD_VID_POL_L 0x2 +#define ATV_TOP_STD_VID_POL_LP 0x2 +#define ATV_TOP_STD_VID_POL_BG 0x0 +#define ATV_TOP_STD_VID_POL_DK 0x0 +#define ATV_TOP_STD_VID_POL_I 0x0 +#define ATV_TOP_VID_AMP_MN 0x380 +#define ATV_TOP_VID_AMP_FM 0x0 +#define ATV_TOP_VID_AMP_L 0xF50 +#define ATV_TOP_VID_AMP_LP 0xF50 +#define ATV_TOP_VID_AMP_BG 0x380 +#define ATV_TOP_VID_AMP_DK 0x394 +#define ATV_TOP_VID_AMP_I 0x3D8 +#define IQM_CF_OUT_ENA_OFDM__M 0x4 +#define IQM_FS_ADJ_SEL_B_QAM 0x1 +#define IQM_FS_ADJ_SEL_B_OFF 0x0 +#define IQM_FS_ADJ_SEL_B_VSB 0x2 +#define IQM_RC_ADJ_SEL_B_OFF 0x0 +#define IQM_RC_ADJ_SEL_B_QAM 0x1 +#define IQM_RC_ADJ_SEL_B_VSB 0x2 +/*** END DJCOMBO patches to DRXJ registermap *********************************/ + +#include "drx_driver_version.h" + +/* #define DRX_DEBUG */ +#ifdef DRX_DEBUG +#include <stdio.h> +#endif + +/*----------------------------------------------------------------------------- +ENUMS +----------------------------------------------------------------------------*/ + +/*----------------------------------------------------------------------------- +DEFINES +----------------------------------------------------------------------------*/ +#ifndef DRXJ_WAKE_UP_KEY +#define DRXJ_WAKE_UP_KEY (demod->my_i2c_dev_addr->i2c_addr) +#endif + +/* +* \def DRXJ_DEF_I2C_ADDR +* \brief Default I2C address of a demodulator instance. +*/ +#define DRXJ_DEF_I2C_ADDR (0x52) + +/* +* \def DRXJ_DEF_DEMOD_DEV_ID +* \brief Default device identifier of a demodultor instance. +*/ +#define DRXJ_DEF_DEMOD_DEV_ID (1) + +/* +* \def DRXJ_SCAN_TIMEOUT +* \brief Timeout value for waiting on demod lock during channel scan (millisec). +*/ +#define DRXJ_SCAN_TIMEOUT 1000 + +/* +* \def HI_I2C_DELAY +* \brief HI timing delay for I2C timing (in nano seconds) +* +* Used to compute HI_CFG_DIV +*/ +#define HI_I2C_DELAY 42 + +/* +* \def HI_I2C_BRIDGE_DELAY +* \brief HI timing delay for I2C timing (in nano seconds) +* +* Used to compute HI_CFG_BDL +*/ +#define HI_I2C_BRIDGE_DELAY 750 + +/* +* \brief Time Window for MER and SER Measurement in Units of Segment duration. +*/ +#define VSB_TOP_MEASUREMENT_PERIOD 64 +#define SYMBOLS_PER_SEGMENT 832 + +/* +* \brief bit rate and segment rate constants used for SER and BER. +*/ +/* values taken from the QAM microcode */ +#define DRXJ_QAM_SL_SIG_POWER_QAM_UNKNOWN 0 +#define DRXJ_QAM_SL_SIG_POWER_QPSK 32768 +#define DRXJ_QAM_SL_SIG_POWER_QAM8 24576 +#define DRXJ_QAM_SL_SIG_POWER_QAM16 40960 +#define DRXJ_QAM_SL_SIG_POWER_QAM32 20480 +#define DRXJ_QAM_SL_SIG_POWER_QAM64 43008 +#define DRXJ_QAM_SL_SIG_POWER_QAM128 20992 +#define DRXJ_QAM_SL_SIG_POWER_QAM256 43520 +/* +* \brief Min supported symbolrates. +*/ +#ifndef DRXJ_QAM_SYMBOLRATE_MIN +#define DRXJ_QAM_SYMBOLRATE_MIN (520000) +#endif + +/* +* \brief Max supported symbolrates. +*/ +#ifndef DRXJ_QAM_SYMBOLRATE_MAX +#define DRXJ_QAM_SYMBOLRATE_MAX (7233000) +#endif + +/* +* \def DRXJ_QAM_MAX_WAITTIME +* \brief Maximal wait time for QAM auto constellation in ms +*/ +#ifndef DRXJ_QAM_MAX_WAITTIME +#define DRXJ_QAM_MAX_WAITTIME 900 +#endif + +#ifndef DRXJ_QAM_FEC_LOCK_WAITTIME +#define DRXJ_QAM_FEC_LOCK_WAITTIME 150 +#endif + +#ifndef DRXJ_QAM_DEMOD_LOCK_EXT_WAITTIME +#define DRXJ_QAM_DEMOD_LOCK_EXT_WAITTIME 200 +#endif + +/* +* \def SCU status and results +* \brief SCU +*/ +#define DRX_SCU_READY 0 +#define DRXJ_MAX_WAITTIME 100 /* ms */ +#define FEC_RS_MEASUREMENT_PERIOD 12894 /* 1 sec */ +#define FEC_RS_MEASUREMENT_PRESCALE 1 /* n sec */ + +/* +* \def DRX_AUD_MAX_DEVIATION +* \brief Needed for calculation of prescale feature in AUD +*/ +#ifndef DRXJ_AUD_MAX_FM_DEVIATION +#define DRXJ_AUD_MAX_FM_DEVIATION 100 /* kHz */ +#endif + +/* +* \brief Needed for calculation of NICAM prescale feature in AUD +*/ +#ifndef DRXJ_AUD_MAX_NICAM_PRESCALE +#define DRXJ_AUD_MAX_NICAM_PRESCALE (9) /* dB */ +#endif + +/* +* \brief Needed for calculation of NICAM prescale feature in AUD +*/ +#ifndef DRXJ_AUD_MAX_WAITTIME +#define DRXJ_AUD_MAX_WAITTIME 250 /* ms */ +#endif + +/* ATV config changed flags */ +#define DRXJ_ATV_CHANGED_COEF (0x00000001UL) +#define DRXJ_ATV_CHANGED_PEAK_FLT (0x00000008UL) +#define DRXJ_ATV_CHANGED_NOISE_FLT (0x00000010UL) +#define DRXJ_ATV_CHANGED_OUTPUT (0x00000020UL) +#define DRXJ_ATV_CHANGED_SIF_ATT (0x00000040UL) + +/* UIO define */ +#define DRX_UIO_MODE_FIRMWARE_SMA DRX_UIO_MODE_FIRMWARE0 +#define DRX_UIO_MODE_FIRMWARE_SAW DRX_UIO_MODE_FIRMWARE1 + +/* + * MICROCODE RELATED DEFINES + */ + +/* Magic word for checking correct Endianness of microcode data */ +#define DRX_UCODE_MAGIC_WORD ((((u16)'H')<<8)+((u16)'L')) + +/* CRC flag in ucode header, flags field. */ +#define DRX_UCODE_CRC_FLAG (0x0001) + +/* + * Maximum size of buffer used to verify the microcode. + * Must be an even number + */ +#define DRX_UCODE_MAX_BUF_SIZE (DRXDAP_MAX_RCHUNKSIZE) + +#if DRX_UCODE_MAX_BUF_SIZE & 1 +#error DRX_UCODE_MAX_BUF_SIZE must be an even number +#endif + +/* + * Power mode macros + */ + +#define DRX_ISPOWERDOWNMODE(mode) ((mode == DRX_POWER_MODE_9) || \ + (mode == DRX_POWER_MODE_10) || \ + (mode == DRX_POWER_MODE_11) || \ + (mode == DRX_POWER_MODE_12) || \ + (mode == DRX_POWER_MODE_13) || \ + (mode == DRX_POWER_MODE_14) || \ + (mode == DRX_POWER_MODE_15) || \ + (mode == DRX_POWER_MODE_16) || \ + (mode == DRX_POWER_DOWN)) + +/* Pin safe mode macro */ +#define DRXJ_PIN_SAFE_MODE 0x0000 +/*============================================================================*/ +/*=== GLOBAL VARIABLEs =======================================================*/ +/*============================================================================*/ +/* +*/ + +/* +* \brief Temporary register definitions. +* (register definitions that are not yet available in register master) +*/ + +/*****************************************************************************/ +/* Audio block 0x103 is write only. To avoid shadowing in driver accessing */ +/* RAM addresses directly. This must be READ ONLY to avoid problems. */ +/* Writing to the interface addresses are more than only writing the RAM */ +/* locations */ +/*****************************************************************************/ +/* +* \brief RAM location of MODUS registers +*/ +#define AUD_DEM_RAM_MODUS_HI__A 0x10204A3 +#define AUD_DEM_RAM_MODUS_HI__M 0xF000 + +#define AUD_DEM_RAM_MODUS_LO__A 0x10204A4 +#define AUD_DEM_RAM_MODUS_LO__M 0x0FFF + +/* +* \brief RAM location of I2S config registers +*/ +#define AUD_DEM_RAM_I2S_CONFIG1__A 0x10204B1 +#define AUD_DEM_RAM_I2S_CONFIG2__A 0x10204B2 + +/* +* \brief RAM location of DCO config registers +*/ +#define AUD_DEM_RAM_DCO_B_HI__A 0x1020461 +#define AUD_DEM_RAM_DCO_B_LO__A 0x1020462 +#define AUD_DEM_RAM_DCO_A_HI__A 0x1020463 +#define AUD_DEM_RAM_DCO_A_LO__A 0x1020464 + +/* +* \brief RAM location of Threshold registers +*/ +#define AUD_DEM_RAM_NICAM_THRSHLD__A 0x102045A +#define AUD_DEM_RAM_A2_THRSHLD__A 0x10204BB +#define AUD_DEM_RAM_BTSC_THRSHLD__A 0x10204A6 + +/* +* \brief RAM location of Carrier Threshold registers +*/ +#define AUD_DEM_RAM_CM_A_THRSHLD__A 0x10204AF +#define AUD_DEM_RAM_CM_B_THRSHLD__A 0x10204B0 + +/* +* \brief FM Matrix register fix +*/ +#ifdef AUD_DEM_WR_FM_MATRIX__A +#undef AUD_DEM_WR_FM_MATRIX__A +#endif +#define AUD_DEM_WR_FM_MATRIX__A 0x105006F + +/*============================================================================*/ +/* +* \brief Defines required for audio +*/ +#define AUD_VOLUME_ZERO_DB 115 +#define AUD_VOLUME_DB_MIN -60 +#define AUD_VOLUME_DB_MAX 12 +#define AUD_CARRIER_STRENGTH_QP_0DB 0x4000 +#define AUD_CARRIER_STRENGTH_QP_0DB_LOG10T100 421 +#define AUD_MAX_AVC_REF_LEVEL 15 +#define AUD_I2S_FREQUENCY_MAX 48000UL +#define AUD_I2S_FREQUENCY_MIN 12000UL +#define AUD_RDS_ARRAY_SIZE 18 + +/* +* \brief Needed for calculation of prescale feature in AUD +*/ +#ifndef DRX_AUD_MAX_FM_DEVIATION +#define DRX_AUD_MAX_FM_DEVIATION (100) /* kHz */ +#endif + +/* +* \brief Needed for calculation of NICAM prescale feature in AUD +*/ +#ifndef DRX_AUD_MAX_NICAM_PRESCALE +#define DRX_AUD_MAX_NICAM_PRESCALE (9) /* dB */ +#endif + +/*============================================================================*/ +/* Values for I2S Master/Slave pin configurations */ +#define SIO_PDR_I2S_CL_CFG_MODE__MASTER 0x0004 +#define SIO_PDR_I2S_CL_CFG_DRIVE__MASTER 0x0008 +#define SIO_PDR_I2S_CL_CFG_MODE__SLAVE 0x0004 +#define SIO_PDR_I2S_CL_CFG_DRIVE__SLAVE 0x0000 + +#define SIO_PDR_I2S_DA_CFG_MODE__MASTER 0x0003 +#define SIO_PDR_I2S_DA_CFG_DRIVE__MASTER 0x0008 +#define SIO_PDR_I2S_DA_CFG_MODE__SLAVE 0x0003 +#define SIO_PDR_I2S_DA_CFG_DRIVE__SLAVE 0x0008 + +#define SIO_PDR_I2S_WS_CFG_MODE__MASTER 0x0004 +#define SIO_PDR_I2S_WS_CFG_DRIVE__MASTER 0x0008 +#define SIO_PDR_I2S_WS_CFG_MODE__SLAVE 0x0004 +#define SIO_PDR_I2S_WS_CFG_DRIVE__SLAVE 0x0000 + +/*============================================================================*/ +/*=== REGISTER ACCESS MACROS =================================================*/ +/*============================================================================*/ + +/* +* This macro is used to create byte arrays for block writes. +* Block writes speed up I2C traffic between host and demod. +* The macro takes care of the required byte order in a 16 bits word. +* x -> lowbyte(x), highbyte(x) +*/ +#define DRXJ_16TO8(x) ((u8) (((u16)x) & 0xFF)), \ + ((u8)((((u16)x)>>8)&0xFF)) +/* +* This macro is used to convert byte array to 16 bit register value for block read. +* Block read speed up I2C traffic between host and demod. +* The macro takes care of the required byte order in a 16 bits word. +*/ +#define DRXJ_8TO16(x) ((u16) (x[0] | (x[1] << 8))) + +/*============================================================================*/ +/*=== MISC DEFINES ===========================================================*/ +/*============================================================================*/ + +/*============================================================================*/ +/*=== HI COMMAND RELATED DEFINES =============================================*/ +/*============================================================================*/ + +/* +* \brief General maximum number of retries for ucode command interfaces +*/ +#define DRXJ_MAX_RETRIES (100) + +/*============================================================================*/ +/*=== STANDARD RELATED MACROS ================================================*/ +/*============================================================================*/ + +#define DRXJ_ISATVSTD(std) ((std == DRX_STANDARD_PAL_SECAM_BG) || \ + (std == DRX_STANDARD_PAL_SECAM_DK) || \ + (std == DRX_STANDARD_PAL_SECAM_I) || \ + (std == DRX_STANDARD_PAL_SECAM_L) || \ + (std == DRX_STANDARD_PAL_SECAM_LP) || \ + (std == DRX_STANDARD_NTSC) || \ + (std == DRX_STANDARD_FM)) + +#define DRXJ_ISQAMSTD(std) ((std == DRX_STANDARD_ITU_A) || \ + (std == DRX_STANDARD_ITU_B) || \ + (std == DRX_STANDARD_ITU_C) || \ + (std == DRX_STANDARD_ITU_D)) + +/*----------------------------------------------------------------------------- +GLOBAL VARIABLES +----------------------------------------------------------------------------*/ +/* + * DRXJ DAP structures + */ + +static int drxdap_fasi_read_block(struct i2c_device_addr *dev_addr, + u32 addr, + u16 datasize, + u8 *data, u32 flags); + + +static int drxj_dap_read_modify_write_reg16(struct i2c_device_addr *dev_addr, + u32 waddr, + u32 raddr, + u16 wdata, u16 *rdata); + +static int drxj_dap_read_reg16(struct i2c_device_addr *dev_addr, + u32 addr, + u16 *data, u32 flags); + +static int drxdap_fasi_read_reg32(struct i2c_device_addr *dev_addr, + u32 addr, + u32 *data, u32 flags); + +static int drxdap_fasi_write_block(struct i2c_device_addr *dev_addr, + u32 addr, + u16 datasize, + u8 *data, u32 flags); + +static int drxj_dap_write_reg16(struct i2c_device_addr *dev_addr, + u32 addr, + u16 data, u32 flags); + +static int drxdap_fasi_write_reg32(struct i2c_device_addr *dev_addr, + u32 addr, + u32 data, u32 flags); + +static struct drxj_data drxj_data_g = { + false, /* has_lna : true if LNA (aka PGA) present */ + false, /* has_oob : true if OOB supported */ + false, /* has_ntsc: true if NTSC supported */ + false, /* has_btsc: true if BTSC supported */ + false, /* has_smatx: true if SMA_TX pin is available */ + false, /* has_smarx: true if SMA_RX pin is available */ + false, /* has_gpio : true if GPIO pin is available */ + false, /* has_irqn : true if IRQN pin is available */ + 0, /* mfx A1/A2/A... */ + + /* tuner settings */ + false, /* tuner mirrors RF signal */ + /* standard/channel settings */ + DRX_STANDARD_UNKNOWN, /* current standard */ + DRX_CONSTELLATION_AUTO, /* constellation */ + 0, /* frequency in KHz */ + DRX_BANDWIDTH_UNKNOWN, /* curr_bandwidth */ + DRX_MIRROR_NO, /* mirror */ + + /* signal quality information: */ + /* default values taken from the QAM Programming guide */ + /* fec_bits_desired should not be less than 4000000 */ + 4000000, /* fec_bits_desired */ + 5, /* fec_vd_plen */ + 4, /* qam_vd_prescale */ + 0xFFFF, /* qamVDPeriod */ + 204 * 8, /* fec_rs_plen annex A */ + 1, /* fec_rs_prescale */ + FEC_RS_MEASUREMENT_PERIOD, /* fec_rs_period */ + true, /* reset_pkt_err_acc */ + 0, /* pkt_err_acc_start */ + + /* HI configuration */ + 0, /* hi_cfg_timing_div */ + 0, /* hi_cfg_bridge_delay */ + 0, /* hi_cfg_wake_up_key */ + 0, /* hi_cfg_ctrl */ + 0, /* HICfgTimeout */ + /* UIO configuration */ + DRX_UIO_MODE_DISABLE, /* uio_sma_rx_mode */ + DRX_UIO_MODE_DISABLE, /* uio_sma_tx_mode */ + DRX_UIO_MODE_DISABLE, /* uioASELMode */ + DRX_UIO_MODE_DISABLE, /* uio_irqn_mode */ + /* FS setting */ + 0UL, /* iqm_fs_rate_ofs */ + false, /* pos_image */ + /* RC setting */ + 0UL, /* iqm_rc_rate_ofs */ + /* AUD information */ +/* false, * flagSetAUDdone */ +/* false, * detectedRDS */ +/* true, * flagASDRequest */ +/* false, * flagHDevClear */ +/* false, * flagHDevSet */ +/* (u16) 0xFFF, * rdsLastCount */ + + /* ATV configuration */ + 0UL, /* flags cfg changes */ + /* shadow of ATV_TOP_EQU0__A */ + {-5, + ATV_TOP_EQU0_EQU_C0_FM, + ATV_TOP_EQU0_EQU_C0_L, + ATV_TOP_EQU0_EQU_C0_LP, + ATV_TOP_EQU0_EQU_C0_BG, + ATV_TOP_EQU0_EQU_C0_DK, + ATV_TOP_EQU0_EQU_C0_I}, + /* shadow of ATV_TOP_EQU1__A */ + {-50, + ATV_TOP_EQU1_EQU_C1_FM, + ATV_TOP_EQU1_EQU_C1_L, + ATV_TOP_EQU1_EQU_C1_LP, + ATV_TOP_EQU1_EQU_C1_BG, + ATV_TOP_EQU1_EQU_C1_DK, + ATV_TOP_EQU1_EQU_C1_I}, + /* shadow of ATV_TOP_EQU2__A */ + {210, + ATV_TOP_EQU2_EQU_C2_FM, + ATV_TOP_EQU2_EQU_C2_L, + ATV_TOP_EQU2_EQU_C2_LP, + ATV_TOP_EQU2_EQU_C2_BG, + ATV_TOP_EQU2_EQU_C2_DK, + ATV_TOP_EQU2_EQU_C2_I}, + /* shadow of ATV_TOP_EQU3__A */ + {-160, + ATV_TOP_EQU3_EQU_C3_FM, + ATV_TOP_EQU3_EQU_C3_L, + ATV_TOP_EQU3_EQU_C3_LP, + ATV_TOP_EQU3_EQU_C3_BG, + ATV_TOP_EQU3_EQU_C3_DK, + ATV_TOP_EQU3_EQU_C3_I}, + false, /* flag: true=bypass */ + ATV_TOP_VID_PEAK__PRE, /* shadow of ATV_TOP_VID_PEAK__A */ + ATV_TOP_NOISE_TH__PRE, /* shadow of ATV_TOP_NOISE_TH__A */ + true, /* flag CVBS output enable */ + false, /* flag SIF output enable */ + DRXJ_SIF_ATTENUATION_0DB, /* current SIF att setting */ + { /* qam_rf_agc_cfg */ + DRX_STANDARD_ITU_B, /* standard */ + DRX_AGC_CTRL_AUTO, /* ctrl_mode */ + 0, /* output_level */ + 0, /* min_output_level */ + 0xFFFF, /* max_output_level */ + 0x0000, /* speed */ + 0x0000, /* top */ + 0x0000 /* c.o.c. */ + }, + { /* qam_if_agc_cfg */ + DRX_STANDARD_ITU_B, /* standard */ + DRX_AGC_CTRL_AUTO, /* ctrl_mode */ + 0, /* output_level */ + 0, /* min_output_level */ + 0xFFFF, /* max_output_level */ + 0x0000, /* speed */ + 0x0000, /* top (don't care) */ + 0x0000 /* c.o.c. (don't care) */ + }, + { /* vsb_rf_agc_cfg */ + DRX_STANDARD_8VSB, /* standard */ + DRX_AGC_CTRL_AUTO, /* ctrl_mode */ + 0, /* output_level */ + 0, /* min_output_level */ + 0xFFFF, /* max_output_level */ + 0x0000, /* speed */ + 0x0000, /* top (don't care) */ + 0x0000 /* c.o.c. (don't care) */ + }, + { /* vsb_if_agc_cfg */ + DRX_STANDARD_8VSB, /* standard */ + DRX_AGC_CTRL_AUTO, /* ctrl_mode */ + 0, /* output_level */ + 0, /* min_output_level */ + 0xFFFF, /* max_output_level */ + 0x0000, /* speed */ + 0x0000, /* top (don't care) */ + 0x0000 /* c.o.c. (don't care) */ + }, + 0, /* qam_pga_cfg */ + 0, /* vsb_pga_cfg */ + { /* qam_pre_saw_cfg */ + DRX_STANDARD_ITU_B, /* standard */ + 0, /* reference */ + false /* use_pre_saw */ + }, + { /* vsb_pre_saw_cfg */ + DRX_STANDARD_8VSB, /* standard */ + 0, /* reference */ + false /* use_pre_saw */ + }, + + /* Version information */ +#ifndef _CH_ + { + "01234567890", /* human readable version microcode */ + "01234567890" /* human readable version device specific code */ + }, + { + { /* struct drx_version for microcode */ + DRX_MODULE_UNKNOWN, + (char *)(NULL), + 0, + 0, + 0, + (char *)(NULL) + }, + { /* struct drx_version for device specific code */ + DRX_MODULE_UNKNOWN, + (char *)(NULL), + 0, + 0, + 0, + (char *)(NULL) + } + }, + { + { /* struct drx_version_list for microcode */ + (struct drx_version *) (NULL), + (struct drx_version_list *) (NULL) + }, + { /* struct drx_version_list for device specific code */ + (struct drx_version *) (NULL), + (struct drx_version_list *) (NULL) + } + }, +#endif + false, /* smart_ant_inverted */ + /* Tracking filter setting for OOB */ + { + 12000, + 9300, + 6600, + 5280, + 3700, + 3000, + 2000, + 0}, + false, /* oob_power_on */ + 0, /* mpeg_ts_static_bitrate */ + false, /* disable_te_ihandling */ + false, /* bit_reverse_mpeg_outout */ + DRXJ_MPEGOUTPUT_CLOCK_RATE_AUTO, /* mpeg_output_clock_rate */ + DRXJ_MPEG_START_WIDTH_1CLKCYC, /* mpeg_start_width */ + + /* Pre SAW & Agc configuration for ATV */ + { + DRX_STANDARD_NTSC, /* standard */ + 7, /* reference */ + true /* use_pre_saw */ + }, + { /* ATV RF-AGC */ + DRX_STANDARD_NTSC, /* standard */ + DRX_AGC_CTRL_AUTO, /* ctrl_mode */ + 0, /* output_level */ + 0, /* min_output_level (d.c.) */ + 0, /* max_output_level (d.c.) */ + 3, /* speed */ + 9500, /* top */ + 4000 /* cut-off current */ + }, + { /* ATV IF-AGC */ + DRX_STANDARD_NTSC, /* standard */ + DRX_AGC_CTRL_AUTO, /* ctrl_mode */ + 0, /* output_level */ + 0, /* min_output_level (d.c.) */ + 0, /* max_output_level (d.c.) */ + 3, /* speed */ + 2400, /* top */ + 0 /* c.o.c. (d.c.) */ + }, + 140, /* ATV PGA config */ + 0, /* curr_symbol_rate */ + + false, /* pdr_safe_mode */ + SIO_PDR_GPIO_CFG__PRE, /* pdr_safe_restore_val_gpio */ + SIO_PDR_VSYNC_CFG__PRE, /* pdr_safe_restore_val_v_sync */ + SIO_PDR_SMA_RX_CFG__PRE, /* pdr_safe_restore_val_sma_rx */ + SIO_PDR_SMA_TX_CFG__PRE, /* pdr_safe_restore_val_sma_tx */ + + 4, /* oob_pre_saw */ + DRXJ_OOB_LO_POW_MINUS10DB, /* oob_lo_pow */ + { + false /* aud_data, only first member */ + }, +}; + +/* +* \var drxj_default_addr_g +* \brief Default I2C address and device identifier. +*/ +static struct i2c_device_addr drxj_default_addr_g = { + DRXJ_DEF_I2C_ADDR, /* i2c address */ + DRXJ_DEF_DEMOD_DEV_ID /* device id */ +}; + +/* +* \var drxj_default_comm_attr_g +* \brief Default common attributes of a drxj demodulator instance. +*/ +static struct drx_common_attr drxj_default_comm_attr_g = { + NULL, /* ucode file */ + true, /* ucode verify switch */ + {0}, /* version record */ + + 44000, /* IF in kHz in case no tuner instance is used */ + (151875 - 0), /* system clock frequency in kHz */ + 0, /* oscillator frequency kHz */ + 0, /* oscillator deviation in ppm, signed */ + false, /* If true mirror frequency spectrum */ + { + /* MPEG output configuration */ + true, /* If true, enable MPEG output */ + false, /* If true, insert RS byte */ + false, /* If true, parallel out otherwise serial */ + false, /* If true, invert DATA signals */ + false, /* If true, invert ERR signal */ + false, /* If true, invert STR signals */ + false, /* If true, invert VAL signals */ + false, /* If true, invert CLK signals */ + true, /* If true, static MPEG clockrate will + be used, otherwise clockrate will + adapt to the bitrate of the TS */ + 19392658UL, /* Maximum bitrate in b/s in case + static clockrate is selected */ + DRX_MPEG_STR_WIDTH_1 /* MPEG Start width in clock cycles */ + }, + /* Initilisations below can be omitted, they require no user input and + are initially 0, NULL or false. The compiler will initialize them to these + values when omitted. */ + false, /* is_opened */ + + /* SCAN */ + NULL, /* no scan params yet */ + 0, /* current scan index */ + 0, /* next scan frequency */ + false, /* scan ready flag */ + 0, /* max channels to scan */ + 0, /* nr of channels scanned */ + NULL, /* default scan function */ + NULL, /* default context pointer */ + 0, /* millisec to wait for demod lock */ + DRXJ_DEMOD_LOCK, /* desired lock */ + false, + + /* Power management */ + DRX_POWER_UP, + + /* Tuner */ + 1, /* nr of I2C port to which tuner is */ + 0L, /* minimum RF input frequency, in kHz */ + 0L, /* maximum RF input frequency, in kHz */ + false, /* Rf Agc Polarity */ + false, /* If Agc Polarity */ + false, /* tuner slow mode */ + + { /* current channel (all 0) */ + 0UL /* channel.frequency */ + }, + DRX_STANDARD_UNKNOWN, /* current standard */ + DRX_STANDARD_UNKNOWN, /* previous standard */ + DRX_STANDARD_UNKNOWN, /* di_cache_standard */ + false, /* use_bootloader */ + 0UL, /* capabilities */ + 0 /* mfx */ +}; + +/* +* \var drxj_default_demod_g +* \brief Default drxj demodulator instance. +*/ +static struct drx_demod_instance drxj_default_demod_g = { + &drxj_default_addr_g, /* i2c address & device id */ + &drxj_default_comm_attr_g, /* demod common attributes */ + &drxj_data_g /* demod device specific attributes */ +}; + +/* +* \brief Default audio data structure for DRK demodulator instance. +* +* This structure is DRXK specific. +* +*/ +static struct drx_aud_data drxj_default_aud_data_g = { + false, /* audio_is_active */ + DRX_AUD_STANDARD_AUTO, /* audio_standard */ + + /* i2sdata */ + { + false, /* output_enable */ + 48000, /* frequency */ + DRX_I2S_MODE_MASTER, /* mode */ + DRX_I2S_WORDLENGTH_32, /* word_length */ + DRX_I2S_POLARITY_RIGHT, /* polarity */ + DRX_I2S_FORMAT_WS_WITH_DATA /* format */ + }, + /* volume */ + { + true, /* mute; */ + 0, /* volume */ + DRX_AUD_AVC_OFF, /* avc_mode */ + 0, /* avc_ref_level */ + DRX_AUD_AVC_MAX_GAIN_12DB, /* avc_max_gain */ + DRX_AUD_AVC_MAX_ATTEN_24DB, /* avc_max_atten */ + 0, /* strength_left */ + 0 /* strength_right */ + }, + DRX_AUD_AUTO_SOUND_SELECT_ON_CHANGE_ON, /* auto_sound */ + /* ass_thresholds */ + { + 440, /* A2 */ + 12, /* BTSC */ + 700, /* NICAM */ + }, + /* carrier */ + { + /* a */ + { + 42, /* thres */ + DRX_NO_CARRIER_NOISE, /* opt */ + 0, /* shift */ + 0 /* dco */ + }, + /* b */ + { + 42, /* thres */ + DRX_NO_CARRIER_MUTE, /* opt */ + 0, /* shift */ + 0 /* dco */ + }, + + }, + /* mixer */ + { + DRX_AUD_SRC_STEREO_OR_A, /* source_i2s */ + DRX_AUD_I2S_MATRIX_STEREO, /* matrix_i2s */ + DRX_AUD_FM_MATRIX_SOUND_A /* matrix_fm */ + }, + DRX_AUD_DEVIATION_NORMAL, /* deviation */ + DRX_AUD_AVSYNC_OFF, /* av_sync */ + + /* prescale */ + { + DRX_AUD_MAX_FM_DEVIATION, /* fm_deviation */ + DRX_AUD_MAX_NICAM_PRESCALE /* nicam_gain */ + }, + DRX_AUD_FM_DEEMPH_75US, /* deemph */ + DRX_BTSC_STEREO, /* btsc_detect */ + 0, /* rds_data_counter */ + false /* rds_data_present */ +}; + +/*----------------------------------------------------------------------------- +STRUCTURES +----------------------------------------------------------------------------*/ +struct drxjeq_stat { + u16 eq_mse; + u8 eq_mode; + u8 eq_ctrl; + u8 eq_stat; +}; + +/* HI command */ +struct drxj_hi_cmd { + u16 cmd; + u16 param1; + u16 param2; + u16 param3; + u16 param4; + u16 param5; + u16 param6; +}; + +/*============================================================================*/ +/*=== MICROCODE RELATED STRUCTURES ===========================================*/ +/*============================================================================*/ + +/* + * struct drxu_code_block_hdr - Structure of the microcode block headers + * + * @addr: Destination address of the data in this block + * @size: Size of the block data following this header counted in + * 16 bits words + * @CRC: CRC value of the data block, only valid if CRC flag is + * set. + */ +struct drxu_code_block_hdr { + u32 addr; + u16 size; + u16 flags; + u16 CRC; +}; + +/*----------------------------------------------------------------------------- +FUNCTIONS +----------------------------------------------------------------------------*/ +/* Some prototypes */ +static int +hi_command(struct i2c_device_addr *dev_addr, + const struct drxj_hi_cmd *cmd, u16 *result); + +static int +ctrl_lock_status(struct drx_demod_instance *demod, enum drx_lock_status *lock_stat); + +static int +ctrl_power_mode(struct drx_demod_instance *demod, enum drx_power_mode *mode); + +static int power_down_aud(struct drx_demod_instance *demod); + +static int +ctrl_set_cfg_pre_saw(struct drx_demod_instance *demod, struct drxj_cfg_pre_saw *pre_saw); + +static int +ctrl_set_cfg_afe_gain(struct drx_demod_instance *demod, struct drxj_cfg_afe_gain *afe_gain); + +/*============================================================================*/ +/*============================================================================*/ +/*== HELPER FUNCTIONS ==*/ +/*============================================================================*/ +/*============================================================================*/ + + +/*============================================================================*/ + +/* +* \fn u32 frac28(u32 N, u32 D) +* \brief Compute: (1<<28)*N/D +* \param N 32 bits +* \param D 32 bits +* \return (1<<28)*N/D +* This function is used to avoid floating-point calculations as they may +* not be present on the target platform. + +* frac28 performs an unsigned 28/28 bits division to 32-bit fixed point +* fraction used for setting the Frequency Shifter registers. +* N and D can hold numbers up to width: 28-bits. +* The 4 bits integer part and the 28 bits fractional part are calculated. + +* Usage condition: ((1<<28)*n)/d < ((1<<32)-1) => (n/d) < 15.999 + +* N: 0...(1<<28)-1 = 268435454 +* D: 0...(1<<28)-1 +* Q: 0...(1<<32)-1 +*/ +static u32 frac28(u32 N, u32 D) +{ + int i = 0; + u32 Q1 = 0; + u32 R0 = 0; + + R0 = (N % D) << 4; /* 32-28 == 4 shifts possible at max */ + Q1 = N / D; /* integer part, only the 4 least significant bits + will be visible in the result */ + + /* division using radix 16, 7 nibbles in the result */ + for (i = 0; i < 7; i++) { + Q1 = (Q1 << 4) | R0 / D; + R0 = (R0 % D) << 4; + } + /* rounding */ + if ((R0 >> 3) >= D) + Q1++; + + return Q1; +} + +/* +* \fn u32 log1_times100( u32 x) +* \brief Compute: 100*log10(x) +* \param x 32 bits +* \return 100*log10(x) +* +* 100*log10(x) +* = 100*(log2(x)/log2(10))) +* = (100*(2^15)*log2(x))/((2^15)*log2(10)) +* = ((200*(2^15)*log2(x))/((2^15)*log2(10)))/2 +* = ((200*(2^15)*(log2(x/y)+log2(y)))/((2^15)*log2(10)))/2 +* = ((200*(2^15)*log2(x/y))+(200*(2^15)*log2(y)))/((2^15)*log2(10)))/2 +* +* where y = 2^k and 1<= (x/y) < 2 +*/ + +static u32 log1_times100(u32 x) +{ + static const u8 scale = 15; + static const u8 index_width = 5; + /* + log2lut[n] = (1<<scale) * 200 * log2( 1.0 + ( (1.0/(1<<INDEXWIDTH)) * n )) + 0 <= n < ((1<<INDEXWIDTH)+1) + */ + + static const u32 log2lut[] = { + 0, /* 0.000000 */ + 290941, /* 290941.300628 */ + 573196, /* 573196.476418 */ + 847269, /* 847269.179851 */ + 1113620, /* 1113620.489452 */ + 1372674, /* 1372673.576986 */ + 1624818, /* 1624817.752104 */ + 1870412, /* 1870411.981536 */ + 2109788, /* 2109787.962654 */ + 2343253, /* 2343252.817465 */ + 2571091, /* 2571091.461923 */ + 2793569, /* 2793568.696416 */ + 3010931, /* 3010931.055901 */ + 3223408, /* 3223408.452106 */ + 3431216, /* 3431215.635215 */ + 3634553, /* 3634553.498355 */ + 3833610, /* 3833610.244726 */ + 4028562, /* 4028562.434393 */ + 4219576, /* 4219575.925308 */ + 4406807, /* 4406806.721144 */ + 4590402, /* 4590401.736809 */ + 4770499, /* 4770499.491025 */ + 4947231, /* 4947230.734179 */ + 5120719, /* 5120719.018555 */ + 5291081, /* 5291081.217197 */ + 5458428, /* 5458427.996830 */ + 5622864, /* 5622864.249668 */ + 5784489, /* 5784489.488298 */ + 5943398, /* 5943398.207380 */ + 6099680, /* 6099680.215452 */ + 6253421, /* 6253420.939751 */ + 6404702, /* 6404701.706649 */ + 6553600, /* 6553600.000000 */ + }; + + u8 i = 0; + u32 y = 0; + u32 d = 0; + u32 k = 0; + u32 r = 0; + + if (x == 0) + return 0; + + /* Scale x (normalize) */ + /* computing y in log(x/y) = log(x) - log(y) */ + if ((x & (((u32) (-1)) << (scale + 1))) == 0) { + for (k = scale; k > 0; k--) { + if (x & (((u32) 1) << scale)) + break; + x <<= 1; + } + } else { + for (k = scale; k < 31; k++) { + if ((x & (((u32) (-1)) << (scale + 1))) == 0) + break; + x >>= 1; + } + } + /* + Now x has binary point between bit[scale] and bit[scale-1] + and 1.0 <= x < 2.0 */ + + /* correction for division: log(x) = log(x/y)+log(y) */ + y = k * ((((u32) 1) << scale) * 200); + + /* remove integer part */ + x &= ((((u32) 1) << scale) - 1); + /* get index */ + i = (u8) (x >> (scale - index_width)); + /* compute delta (x-a) */ + d = x & ((((u32) 1) << (scale - index_width)) - 1); + /* compute log, multiplication ( d* (.. )) must be within range ! */ + y += log2lut[i] + + ((d * (log2lut[i + 1] - log2lut[i])) >> (scale - index_width)); + /* Conver to log10() */ + y /= 108853; /* (log2(10) << scale) */ + r = (y >> 1); + /* rounding */ + if (y & ((u32)1)) + r++; + + return r; + +} + +/* +* \fn u32 frac_times1e6( u16 N, u32 D) +* \brief Compute: (N/D) * 1000000. +* \param N nominator 16-bits. +* \param D denominator 32-bits. +* \return u32 +* \retval ((N/D) * 1000000), 32 bits +* +* No check on D=0! +*/ +static u32 frac_times1e6(u32 N, u32 D) +{ + u32 remainder = 0; + u32 frac = 0; + + /* + frac = (N * 1000000) / D + To let it fit in a 32 bits computation: + frac = (N * (1000000 >> 4)) / (D >> 4) + This would result in a problem in case D < 16 (div by 0). + So we do it more elaborate as shown below. + */ + frac = (((u32) N) * (1000000 >> 4)) / D; + frac <<= 4; + remainder = (((u32) N) * (1000000 >> 4)) % D; + remainder <<= 4; + frac += remainder / D; + remainder = remainder % D; + if ((remainder * 2) > D) + frac++; + + return frac; +} + +/*============================================================================*/ + + +/* +* \brief Values for NICAM prescaler gain. Computed from dB to integer +* and rounded. For calc used formula: 16*10^(prescaleGain[dB]/20). +* +*/ +#if 0 +/* Currently, unused as we lack support for analog TV */ +static const u16 nicam_presc_table_val[43] = { + 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 4, 4, + 5, 5, 6, 6, 7, 8, 9, 10, 11, 13, 14, 16, + 18, 20, 23, 25, 28, 32, 36, 40, 45, + 51, 57, 64, 71, 80, 90, 101, 113, 127 +}; +#endif + +/*============================================================================*/ +/*== END HELPER FUNCTIONS ==*/ +/*============================================================================*/ + +/*============================================================================*/ +/*============================================================================*/ +/*== DRXJ DAP FUNCTIONS ==*/ +/*============================================================================*/ +/*============================================================================*/ + +/* + This layer takes care of some device specific register access protocols: + -conversion to short address format + -access to audio block + This layer is placed between the drx_dap_fasi and the rest of the drxj + specific implementation. This layer can use address map knowledge whereas + dap_fasi may not use memory map knowledge. + + * For audio currently only 16 bits read and write register access is + supported. More is not needed. RMW and 32 or 8 bit access on audio + registers will have undefined behaviour. Flags (RMW, CRC reset, broadcast + single/multi master) will be ignored. + + TODO: check ignoring single/multimaster is ok for AUD access ? +*/ + +#define DRXJ_ISAUDWRITE(addr) (((((addr)>>16)&1) == 1) ? true : false) +#define DRXJ_DAP_AUDTRIF_TIMEOUT 80 /* millisec */ +/*============================================================================*/ + +/* +* \fn bool is_handled_by_aud_tr_if( u32 addr ) +* \brief Check if this address is handled by the audio token ring interface. +* \param addr +* \return bool +* \retval true Yes, handled by audio token ring interface +* \retval false No, not handled by audio token ring interface +* +*/ +static +bool is_handled_by_aud_tr_if(u32 addr) +{ + bool retval = false; + + if ((DRXDAP_FASI_ADDR2BLOCK(addr) == 4) && + (DRXDAP_FASI_ADDR2BANK(addr) > 1) && + (DRXDAP_FASI_ADDR2BANK(addr) < 6)) { + retval = true; + } + + return retval; +} + +/*============================================================================*/ + +int drxbsp_i2c_write_read(struct i2c_device_addr *w_dev_addr, + u16 w_count, + u8 *wData, + struct i2c_device_addr *r_dev_addr, + u16 r_count, u8 *r_data) +{ + struct drx39xxj_state *state; + struct i2c_msg msg[2]; + unsigned int num_msgs; + + if (w_dev_addr == NULL) { + /* Read only */ + state = r_dev_addr->user_data; + msg[0].addr = r_dev_addr->i2c_addr >> 1; + msg[0].flags = I2C_M_RD; + msg[0].buf = r_data; + msg[0].len = r_count; + num_msgs = 1; + } else if (r_dev_addr == NULL) { + /* Write only */ + state = w_dev_addr->user_data; + msg[0].addr = w_dev_addr->i2c_addr >> 1; + msg[0].flags = 0; + msg[0].buf = wData; + msg[0].len = w_count; + num_msgs = 1; + } else { + /* Both write and read */ + state = w_dev_addr->user_data; + msg[0].addr = w_dev_addr->i2c_addr >> 1; + msg[0].flags = 0; + msg[0].buf = wData; + msg[0].len = w_count; + msg[1].addr = r_dev_addr->i2c_addr >> 1; + msg[1].flags = I2C_M_RD; + msg[1].buf = r_data; + msg[1].len = r_count; + num_msgs = 2; + } + + if (state->i2c == NULL) { + pr_err("i2c was zero, aborting\n"); + return 0; + } + if (i2c_transfer(state->i2c, msg, num_msgs) != num_msgs) { + pr_warn("drx3933: I2C write/read failed\n"); + return -EREMOTEIO; + } + +#ifdef DJH_DEBUG + if (w_dev_addr == NULL || r_dev_addr == NULL) + return 0; + + state = w_dev_addr->user_data; + + if (state->i2c == NULL) + return 0; + + msg[0].addr = w_dev_addr->i2c_addr; + msg[0].flags = 0; + msg[0].buf = wData; + msg[0].len = w_count; + msg[1].addr = r_dev_addr->i2c_addr; + msg[1].flags = I2C_M_RD; + msg[1].buf = r_data; + msg[1].len = r_count; + num_msgs = 2; + + pr_debug("drx3933 i2c operation addr=%x i2c=%p, wc=%x rc=%x\n", + w_dev_addr->i2c_addr, state->i2c, w_count, r_count); + + if (i2c_transfer(state->i2c, msg, 2) != 2) { + pr_warn("drx3933: I2C write/read failed\n"); + return -EREMOTEIO; + } +#endif + return 0; +} + +/*============================================================================*/ + +/***************************** +* +* int drxdap_fasi_read_block ( +* struct i2c_device_addr *dev_addr, -- address of I2C device +* u32 addr, -- address of chip register/memory +* u16 datasize, -- number of bytes to read +* u8 *data, -- data to receive +* u32 flags) -- special device flags +* +* Read block data from chip address. Because the chip is word oriented, +* the number of bytes to read must be even. +* +* Make sure that the buffer to receive the data is large enough. +* +* Although this function expects an even number of bytes, it is still byte +* oriented, and the data read back is NOT translated to the endianness of +* the target platform. +* +* Output: +* - 0 if reading was successful +* in that case: data read is in *data. +* - -EIO if anything went wrong +* +******************************/ + +static int drxdap_fasi_read_block(struct i2c_device_addr *dev_addr, + u32 addr, + u16 datasize, + u8 *data, u32 flags) +{ + u8 buf[4]; + u16 bufx; + int rc; + u16 overhead_size = 0; + + /* Check parameters ******************************************************* */ + if (dev_addr == NULL) + return -EINVAL; + + overhead_size = (IS_I2C_10BIT(dev_addr->i2c_addr) ? 2 : 1) + + (DRXDAP_FASI_LONG_FORMAT(addr) ? 4 : 2); + + if ((DRXDAP_FASI_OFFSET_TOO_LARGE(addr)) || + ((!(DRXDAPFASI_LONG_ADDR_ALLOWED)) && + DRXDAP_FASI_LONG_FORMAT(addr)) || + (overhead_size > (DRXDAP_MAX_WCHUNKSIZE)) || + ((datasize != 0) && (data == NULL)) || ((datasize & 1) == 1)) { + return -EINVAL; + } + + /* ReadModifyWrite & mode flag bits are not allowed */ + flags &= (~DRXDAP_FASI_RMW & ~DRXDAP_FASI_MODEFLAGS); +#if DRXDAP_SINGLE_MASTER + flags |= DRXDAP_FASI_SINGLE_MASTER; +#endif + + /* Read block from I2C **************************************************** */ + do { + u16 todo = (datasize < DRXDAP_MAX_RCHUNKSIZE ? + datasize : DRXDAP_MAX_RCHUNKSIZE); + + bufx = 0; + + addr &= ~DRXDAP_FASI_FLAGS; + addr |= flags; + +#if ((DRXDAPFASI_LONG_ADDR_ALLOWED == 1) && (DRXDAPFASI_SHORT_ADDR_ALLOWED == 1)) + /* short format address preferred but long format otherwise */ + if (DRXDAP_FASI_LONG_FORMAT(addr)) { +#endif +#if (DRXDAPFASI_LONG_ADDR_ALLOWED == 1) + buf[bufx++] = (u8) (((addr << 1) & 0xFF) | 0x01); + buf[bufx++] = (u8) ((addr >> 16) & 0xFF); + buf[bufx++] = (u8) ((addr >> 24) & 0xFF); + buf[bufx++] = (u8) ((addr >> 7) & 0xFF); +#endif +#if ((DRXDAPFASI_LONG_ADDR_ALLOWED == 1) && (DRXDAPFASI_SHORT_ADDR_ALLOWED == 1)) + } else { +#endif +#if (DRXDAPFASI_SHORT_ADDR_ALLOWED == 1) + buf[bufx++] = (u8) ((addr << 1) & 0xFF); + buf[bufx++] = + (u8) (((addr >> 16) & 0x0F) | + ((addr >> 18) & 0xF0)); +#endif +#if ((DRXDAPFASI_LONG_ADDR_ALLOWED == 1) && (DRXDAPFASI_SHORT_ADDR_ALLOWED == 1)) + } +#endif + +#if DRXDAP_SINGLE_MASTER + /* + * In single master mode, split the read and write actions. + * No special action is needed for write chunks here. + */ + rc = drxbsp_i2c_write_read(dev_addr, bufx, buf, + NULL, 0, NULL); + if (rc == 0) + rc = drxbsp_i2c_write_read(NULL, 0, NULL, dev_addr, todo, data); +#else + /* In multi master mode, do everything in one RW action */ + rc = drxbsp_i2c_write_read(dev_addr, bufx, buf, dev_addr, todo, + data); +#endif + data += todo; + addr += (todo >> 1); + datasize -= todo; + } while (datasize && rc == 0); + + return rc; +} + + +/***************************** +* +* int drxdap_fasi_read_reg16 ( +* struct i2c_device_addr *dev_addr, -- address of I2C device +* u32 addr, -- address of chip register/memory +* u16 *data, -- data to receive +* u32 flags) -- special device flags +* +* Read one 16-bit register or memory location. The data received back is +* converted back to the target platform's endianness. +* +* Output: +* - 0 if reading was successful +* in that case: read data is at *data +* - -EIO if anything went wrong +* +******************************/ + +static int drxdap_fasi_read_reg16(struct i2c_device_addr *dev_addr, + u32 addr, + u16 *data, u32 flags) +{ + u8 buf[sizeof(*data)]; + int rc; + + if (!data) + return -EINVAL; + + rc = drxdap_fasi_read_block(dev_addr, addr, sizeof(*data), buf, flags); + *data = buf[0] + (((u16) buf[1]) << 8); + return rc; +} + +/***************************** +* +* int drxdap_fasi_read_reg32 ( +* struct i2c_device_addr *dev_addr, -- address of I2C device +* u32 addr, -- address of chip register/memory +* u32 *data, -- data to receive +* u32 flags) -- special device flags +* +* Read one 32-bit register or memory location. The data received back is +* converted back to the target platform's endianness. +* +* Output: +* - 0 if reading was successful +* in that case: read data is at *data +* - -EIO if anything went wrong +* +******************************/ + +static int drxdap_fasi_read_reg32(struct i2c_device_addr *dev_addr, + u32 addr, + u32 *data, u32 flags) +{ + u8 buf[sizeof(*data)]; + int rc; + + if (!data) + return -EINVAL; + + rc = drxdap_fasi_read_block(dev_addr, addr, sizeof(*data), buf, flags); + *data = (((u32) buf[0]) << 0) + + (((u32) buf[1]) << 8) + + (((u32) buf[2]) << 16) + (((u32) buf[3]) << 24); + return rc; +} + +/***************************** +* +* int drxdap_fasi_write_block ( +* struct i2c_device_addr *dev_addr, -- address of I2C device +* u32 addr, -- address of chip register/memory +* u16 datasize, -- number of bytes to read +* u8 *data, -- data to receive +* u32 flags) -- special device flags +* +* Write block data to chip address. Because the chip is word oriented, +* the number of bytes to write must be even. +* +* Although this function expects an even number of bytes, it is still byte +* oriented, and the data being written is NOT translated from the endianness of +* the target platform. +* +* Output: +* - 0 if writing was successful +* - -EIO if anything went wrong +* +******************************/ + +static int drxdap_fasi_write_block(struct i2c_device_addr *dev_addr, + u32 addr, + u16 datasize, + u8 *data, u32 flags) +{ + u8 buf[DRXDAP_MAX_WCHUNKSIZE]; + int st = -EIO; + int first_err = 0; + u16 overhead_size = 0; + u16 block_size = 0; + + /* Check parameters ******************************************************* */ + if (dev_addr == NULL) + return -EINVAL; + + overhead_size = (IS_I2C_10BIT(dev_addr->i2c_addr) ? 2 : 1) + + (DRXDAP_FASI_LONG_FORMAT(addr) ? 4 : 2); + + if ((DRXDAP_FASI_OFFSET_TOO_LARGE(addr)) || + ((!(DRXDAPFASI_LONG_ADDR_ALLOWED)) && + DRXDAP_FASI_LONG_FORMAT(addr)) || + (overhead_size > (DRXDAP_MAX_WCHUNKSIZE)) || + ((datasize != 0) && (data == NULL)) || ((datasize & 1) == 1)) + return -EINVAL; + + flags &= DRXDAP_FASI_FLAGS; + flags &= ~DRXDAP_FASI_MODEFLAGS; +#if DRXDAP_SINGLE_MASTER + flags |= DRXDAP_FASI_SINGLE_MASTER; +#endif + + /* Write block to I2C ***************************************************** */ + block_size = ((DRXDAP_MAX_WCHUNKSIZE) - overhead_size) & ~1; + do { + u16 todo = 0; + u16 bufx = 0; + + /* Buffer device address */ + addr &= ~DRXDAP_FASI_FLAGS; + addr |= flags; +#if (((DRXDAPFASI_LONG_ADDR_ALLOWED) == 1) && ((DRXDAPFASI_SHORT_ADDR_ALLOWED) == 1)) + /* short format address preferred but long format otherwise */ + if (DRXDAP_FASI_LONG_FORMAT(addr)) { +#endif +#if ((DRXDAPFASI_LONG_ADDR_ALLOWED) == 1) + buf[bufx++] = (u8) (((addr << 1) & 0xFF) | 0x01); + buf[bufx++] = (u8) ((addr >> 16) & 0xFF); + buf[bufx++] = (u8) ((addr >> 24) & 0xFF); + buf[bufx++] = (u8) ((addr >> 7) & 0xFF); +#endif +#if (((DRXDAPFASI_LONG_ADDR_ALLOWED) == 1) && ((DRXDAPFASI_SHORT_ADDR_ALLOWED) == 1)) + } else { +#endif +#if ((DRXDAPFASI_SHORT_ADDR_ALLOWED) == 1) + buf[bufx++] = (u8) ((addr << 1) & 0xFF); + buf[bufx++] = + (u8) (((addr >> 16) & 0x0F) | + ((addr >> 18) & 0xF0)); +#endif +#if (((DRXDAPFASI_LONG_ADDR_ALLOWED) == 1) && ((DRXDAPFASI_SHORT_ADDR_ALLOWED) == 1)) + } +#endif + + /* + In single master mode block_size can be 0. In such a case this I2C + sequense will be visible: (1) write address {i2c addr, + 4 bytes chip address} (2) write data {i2c addr, 4 bytes data } + (3) write address (4) write data etc... + Address must be rewritten because HI is reset after data transport and + expects an address. + */ + todo = (block_size < datasize ? block_size : datasize); + if (todo == 0) { + u16 overhead_size_i2c_addr = 0; + u16 data_block_size = 0; + + overhead_size_i2c_addr = + (IS_I2C_10BIT(dev_addr->i2c_addr) ? 2 : 1); + data_block_size = + (DRXDAP_MAX_WCHUNKSIZE - overhead_size_i2c_addr) & ~1; + + /* write device address */ + st = drxbsp_i2c_write_read(dev_addr, + (u16) (bufx), + buf, + (struct i2c_device_addr *)(NULL), + 0, (u8 *)(NULL)); + + if ((st != 0) && (first_err == 0)) { + /* at the end, return the first error encountered */ + first_err = st; + } + bufx = 0; + todo = + (data_block_size < + datasize ? data_block_size : datasize); + } + memcpy(&buf[bufx], data, todo); + /* write (address if can do and) data */ + st = drxbsp_i2c_write_read(dev_addr, + (u16) (bufx + todo), + buf, + (struct i2c_device_addr *)(NULL), + 0, (u8 *)(NULL)); + + if ((st != 0) && (first_err == 0)) { + /* at the end, return the first error encountered */ + first_err = st; + } + datasize -= todo; + data += todo; + addr += (todo >> 1); + } while (datasize); + + return first_err; +} + +/***************************** +* +* int drxdap_fasi_write_reg16 ( +* struct i2c_device_addr *dev_addr, -- address of I2C device +* u32 addr, -- address of chip register/memory +* u16 data, -- data to send +* u32 flags) -- special device flags +* +* Write one 16-bit register or memory location. The data being written is +* converted from the target platform's endianness to little endian. +* +* Output: +* - 0 if writing was successful +* - -EIO if anything went wrong +* +******************************/ + +static int drxdap_fasi_write_reg16(struct i2c_device_addr *dev_addr, + u32 addr, + u16 data, u32 flags) +{ + u8 buf[sizeof(data)]; + + buf[0] = (u8) ((data >> 0) & 0xFF); + buf[1] = (u8) ((data >> 8) & 0xFF); + + return drxdap_fasi_write_block(dev_addr, addr, sizeof(data), buf, flags); +} + +/***************************** +* +* int drxdap_fasi_read_modify_write_reg16 ( +* struct i2c_device_addr *dev_addr, -- address of I2C device +* u32 waddr, -- address of chip register/memory +* u32 raddr, -- chip address to read back from +* u16 wdata, -- data to send +* u16 *rdata) -- data to receive back +* +* Write 16-bit data, then read back the original contents of that location. +* Requires long addressing format to be allowed. +* +* Before sending data, the data is converted to little endian. The +* data received back is converted back to the target platform's endianness. +* +* WARNING: This function is only guaranteed to work if there is one +* master on the I2C bus. +* +* Output: +* - 0 if reading was successful +* in that case: read back data is at *rdata +* - -EIO if anything went wrong +* +******************************/ + +static int drxdap_fasi_read_modify_write_reg16(struct i2c_device_addr *dev_addr, + u32 waddr, + u32 raddr, + u16 wdata, u16 *rdata) +{ + int rc = -EIO; + +#if (DRXDAPFASI_LONG_ADDR_ALLOWED == 1) + if (rdata == NULL) + return -EINVAL; + + rc = drxdap_fasi_write_reg16(dev_addr, waddr, wdata, DRXDAP_FASI_RMW); + if (rc == 0) + rc = drxdap_fasi_read_reg16(dev_addr, raddr, rdata, 0); +#endif + + return rc; +} + +/***************************** +* +* int drxdap_fasi_write_reg32 ( +* struct i2c_device_addr *dev_addr, -- address of I2C device +* u32 addr, -- address of chip register/memory +* u32 data, -- data to send +* u32 flags) -- special device flags +* +* Write one 32-bit register or memory location. The data being written is +* converted from the target platform's endianness to little endian. +* +* Output: +* - 0 if writing was successful +* - -EIO if anything went wrong +* +******************************/ + +static int drxdap_fasi_write_reg32(struct i2c_device_addr *dev_addr, + u32 addr, + u32 data, u32 flags) +{ + u8 buf[sizeof(data)]; + + buf[0] = (u8) ((data >> 0) & 0xFF); + buf[1] = (u8) ((data >> 8) & 0xFF); + buf[2] = (u8) ((data >> 16) & 0xFF); + buf[3] = (u8) ((data >> 24) & 0xFF); + + return drxdap_fasi_write_block(dev_addr, addr, sizeof(data), buf, flags); +} + +/*============================================================================*/ + +/* +* \fn int drxj_dap_rm_write_reg16short +* \brief Read modify write 16 bits audio register using short format only. +* \param dev_addr +* \param waddr Address to write to +* \param raddr Address to read from (usually SIO_HI_RA_RAM_S0_RMWBUF__A) +* \param wdata Data to write +* \param rdata Buffer for data to read +* \return int +* \retval 0 Success +* \retval -EIO Timeout, I2C error, illegal bank +* +* 16 bits register read modify write access using short addressing format only. +* Requires knowledge of the registermap, thus device dependent. +* Using DAP FASI directly to avoid endless recursion of RMWs to audio registers. +* +*/ + +/* TODO correct define should be #if ( DRXDAPFASI_SHORT_ADDR_ALLOWED==1 ) + See comments drxj_dap_read_modify_write_reg16 */ +#if (DRXDAPFASI_LONG_ADDR_ALLOWED == 0) +static int drxj_dap_rm_write_reg16short(struct i2c_device_addr *dev_addr, + u32 waddr, + u32 raddr, + u16 wdata, u16 *rdata) +{ + int rc; + + if (rdata == NULL) + return -EINVAL; + + /* Set RMW flag */ + rc = drxdap_fasi_write_reg16(dev_addr, + SIO_HI_RA_RAM_S0_FLG_ACC__A, + SIO_HI_RA_RAM_S0_FLG_ACC_S0_RWM__M, + 0x0000); + if (rc == 0) { + /* Write new data: triggers RMW */ + rc = drxdap_fasi_write_reg16(dev_addr, waddr, wdata, + 0x0000); + } + if (rc == 0) { + /* Read old data */ + rc = drxdap_fasi_read_reg16(dev_addr, raddr, rdata, + 0x0000); + } + if (rc == 0) { + /* Reset RMW flag */ + rc = drxdap_fasi_write_reg16(dev_addr, + SIO_HI_RA_RAM_S0_FLG_ACC__A, + 0, 0x0000); + } + + return rc; +} +#endif + +/*============================================================================*/ + +static int drxj_dap_read_modify_write_reg16(struct i2c_device_addr *dev_addr, + u32 waddr, + u32 raddr, + u16 wdata, u16 *rdata) +{ + /* TODO: correct short/long addressing format decision, + now long format has higher prio then short because short also + needs virt bnks (not impl yet) for certain audio registers */ +#if (DRXDAPFASI_LONG_ADDR_ALLOWED == 1) + return drxdap_fasi_read_modify_write_reg16(dev_addr, + waddr, + raddr, wdata, rdata); +#else + return drxj_dap_rm_write_reg16short(dev_addr, waddr, raddr, wdata, rdata); +#endif +} + + +/*============================================================================*/ + +/* +* \fn int drxj_dap_read_aud_reg16 +* \brief Read 16 bits audio register +* \param dev_addr +* \param addr +* \param data +* \return int +* \retval 0 Success +* \retval -EIO Timeout, I2C error, illegal bank +* +* 16 bits register read access via audio token ring interface. +* +*/ +static int drxj_dap_read_aud_reg16(struct i2c_device_addr *dev_addr, + u32 addr, u16 *data) +{ + u32 start_timer = 0; + u32 current_timer = 0; + u32 delta_timer = 0; + u16 tr_status = 0; + int stat = -EIO; + + /* No read possible for bank 3, return with error */ + if (DRXDAP_FASI_ADDR2BANK(addr) == 3) { + stat = -EINVAL; + } else { + const u32 write_bit = ((dr_xaddr_t) 1) << 16; + + /* Force reset write bit */ + addr &= (~write_bit); + + /* Set up read */ + start_timer = jiffies_to_msecs(jiffies); + do { + /* RMW to aud TR IF until request is granted or timeout */ + stat = drxj_dap_read_modify_write_reg16(dev_addr, + addr, + SIO_HI_RA_RAM_S0_RMWBUF__A, + 0x0000, &tr_status); + + if (stat != 0) + break; + + current_timer = jiffies_to_msecs(jiffies); + delta_timer = current_timer - start_timer; + if (delta_timer > DRXJ_DAP_AUDTRIF_TIMEOUT) { + stat = -EIO; + break; + } + + } while (((tr_status & AUD_TOP_TR_CTR_FIFO_LOCK__M) == + AUD_TOP_TR_CTR_FIFO_LOCK_LOCKED) || + ((tr_status & AUD_TOP_TR_CTR_FIFO_FULL__M) == + AUD_TOP_TR_CTR_FIFO_FULL_FULL)); + } /* if ( DRXDAP_FASI_ADDR2BANK(addr)!=3 ) */ + + /* Wait for read ready status or timeout */ + if (stat == 0) { + start_timer = jiffies_to_msecs(jiffies); + + while ((tr_status & AUD_TOP_TR_CTR_FIFO_RD_RDY__M) != + AUD_TOP_TR_CTR_FIFO_RD_RDY_READY) { + stat = drxj_dap_read_reg16(dev_addr, + AUD_TOP_TR_CTR__A, + &tr_status, 0x0000); + if (stat != 0) + break; + + current_timer = jiffies_to_msecs(jiffies); + delta_timer = current_timer - start_timer; + if (delta_timer > DRXJ_DAP_AUDTRIF_TIMEOUT) { + stat = -EIO; + break; + } + } /* while ( ... ) */ + } + + /* Read value */ + if (stat == 0) + stat = drxj_dap_read_modify_write_reg16(dev_addr, + AUD_TOP_TR_RD_REG__A, + SIO_HI_RA_RAM_S0_RMWBUF__A, + 0x0000, data); + return stat; +} + +/*============================================================================*/ + +static int drxj_dap_read_reg16(struct i2c_device_addr *dev_addr, + u32 addr, + u16 *data, u32 flags) +{ + int stat = -EIO; + + /* Check param */ + if ((dev_addr == NULL) || (data == NULL)) + return -EINVAL; + + if (is_handled_by_aud_tr_if(addr)) + stat = drxj_dap_read_aud_reg16(dev_addr, addr, data); + else + stat = drxdap_fasi_read_reg16(dev_addr, addr, data, flags); + + return stat; +} +/*============================================================================*/ + +/* +* \fn int drxj_dap_write_aud_reg16 +* \brief Write 16 bits audio register +* \param dev_addr +* \param addr +* \param data +* \return int +* \retval 0 Success +* \retval -EIO Timeout, I2C error, illegal bank +* +* 16 bits register write access via audio token ring interface. +* +*/ +static int drxj_dap_write_aud_reg16(struct i2c_device_addr *dev_addr, + u32 addr, u16 data) +{ + int stat = -EIO; + + /* No write possible for bank 2, return with error */ + if (DRXDAP_FASI_ADDR2BANK(addr) == 2) { + stat = -EINVAL; + } else { + u32 start_timer = 0; + u32 current_timer = 0; + u32 delta_timer = 0; + u16 tr_status = 0; + const u32 write_bit = ((dr_xaddr_t) 1) << 16; + + /* Force write bit */ + addr |= write_bit; + start_timer = jiffies_to_msecs(jiffies); + do { + /* RMW to aud TR IF until request is granted or timeout */ + stat = drxj_dap_read_modify_write_reg16(dev_addr, + addr, + SIO_HI_RA_RAM_S0_RMWBUF__A, + data, &tr_status); + if (stat != 0) + break; + + current_timer = jiffies_to_msecs(jiffies); + delta_timer = current_timer - start_timer; + if (delta_timer > DRXJ_DAP_AUDTRIF_TIMEOUT) { + stat = -EIO; + break; + } + + } while (((tr_status & AUD_TOP_TR_CTR_FIFO_LOCK__M) == + AUD_TOP_TR_CTR_FIFO_LOCK_LOCKED) || + ((tr_status & AUD_TOP_TR_CTR_FIFO_FULL__M) == + AUD_TOP_TR_CTR_FIFO_FULL_FULL)); + + } /* if ( DRXDAP_FASI_ADDR2BANK(addr)!=2 ) */ + + return stat; +} + +/*============================================================================*/ + +static int drxj_dap_write_reg16(struct i2c_device_addr *dev_addr, + u32 addr, + u16 data, u32 flags) +{ + int stat = -EIO; + + /* Check param */ + if (dev_addr == NULL) + return -EINVAL; + + if (is_handled_by_aud_tr_if(addr)) + stat = drxj_dap_write_aud_reg16(dev_addr, addr, data); + else + stat = drxdap_fasi_write_reg16(dev_addr, + addr, data, flags); + + return stat; +} + +/*============================================================================*/ + +/* Free data ram in SIO HI */ +#define SIO_HI_RA_RAM_USR_BEGIN__A 0x420040 +#define SIO_HI_RA_RAM_USR_END__A 0x420060 + +#define DRXJ_HI_ATOMIC_BUF_START (SIO_HI_RA_RAM_USR_BEGIN__A) +#define DRXJ_HI_ATOMIC_BUF_END (SIO_HI_RA_RAM_USR_BEGIN__A + 7) +#define DRXJ_HI_ATOMIC_READ SIO_HI_RA_RAM_PAR_3_ACP_RW_READ +#define DRXJ_HI_ATOMIC_WRITE SIO_HI_RA_RAM_PAR_3_ACP_RW_WRITE + +/* +* \fn int drxj_dap_atomic_read_write_block() +* \brief Basic access routine for atomic read or write access +* \param dev_addr pointer to i2c dev address +* \param addr destination/source address +* \param datasize size of data buffer in bytes +* \param data pointer to data buffer +* \return int +* \retval 0 Success +* \retval -EIO Timeout, I2C error, illegal bank +* +*/ +static +int drxj_dap_atomic_read_write_block(struct i2c_device_addr *dev_addr, + u32 addr, + u16 datasize, + u8 *data, bool read_flag) +{ + struct drxj_hi_cmd hi_cmd; + int rc; + u16 word; + u16 dummy = 0; + u16 i = 0; + + /* Parameter check */ + if (!data || !dev_addr || ((datasize % 2)) || ((datasize / 2) > 8)) + return -EINVAL; + + /* Set up HI parameters to read or write n bytes */ + hi_cmd.cmd = SIO_HI_RA_RAM_CMD_ATOMIC_COPY; + hi_cmd.param1 = + (u16) ((DRXDAP_FASI_ADDR2BLOCK(DRXJ_HI_ATOMIC_BUF_START) << 6) + + DRXDAP_FASI_ADDR2BANK(DRXJ_HI_ATOMIC_BUF_START)); + hi_cmd.param2 = + (u16) DRXDAP_FASI_ADDR2OFFSET(DRXJ_HI_ATOMIC_BUF_START); + hi_cmd.param3 = (u16) ((datasize / 2) - 1); + if (!read_flag) + hi_cmd.param3 |= DRXJ_HI_ATOMIC_WRITE; + else + hi_cmd.param3 |= DRXJ_HI_ATOMIC_READ; + hi_cmd.param4 = (u16) ((DRXDAP_FASI_ADDR2BLOCK(addr) << 6) + + DRXDAP_FASI_ADDR2BANK(addr)); + hi_cmd.param5 = (u16) DRXDAP_FASI_ADDR2OFFSET(addr); + + if (!read_flag) { + /* write data to buffer */ + for (i = 0; i < (datasize / 2); i++) { + + word = ((u16) data[2 * i]); + word += (((u16) data[(2 * i) + 1]) << 8); + drxj_dap_write_reg16(dev_addr, + (DRXJ_HI_ATOMIC_BUF_START + i), + word, 0); + } + } + + rc = hi_command(dev_addr, &hi_cmd, &dummy); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + if (read_flag) { + /* read data from buffer */ + for (i = 0; i < (datasize / 2); i++) { + rc = drxj_dap_read_reg16(dev_addr, + (DRXJ_HI_ATOMIC_BUF_START + i), + &word, 0); + if (rc) { + pr_err("error %d\n", rc); + goto rw_error; + } + data[2 * i] = (u8) (word & 0xFF); + data[(2 * i) + 1] = (u8) (word >> 8); + } + } + + return 0; + +rw_error: + return rc; + +} + +/*============================================================================*/ + +/* +* \fn int drxj_dap_atomic_read_reg32() +* \brief Atomic read of 32 bits words +*/ +static +int drxj_dap_atomic_read_reg32(struct i2c_device_addr *dev_addr, + u32 addr, + u32 *data, u32 flags) +{ + u8 buf[sizeof(*data)] = { 0 }; + int rc; + u32 word = 0; + + if (!data) + return -EINVAL; + + rc = drxj_dap_atomic_read_write_block(dev_addr, addr, + sizeof(*data), buf, true); + + if (rc < 0) + return 0; + + word = (u32) buf[3]; + word <<= 8; + word |= (u32) buf[2]; + word <<= 8; + word |= (u32) buf[1]; + word <<= 8; + word |= (u32) buf[0]; + + *data = word; + + return rc; +} + +/*============================================================================*/ + +/*============================================================================*/ +/*== END DRXJ DAP FUNCTIONS ==*/ +/*============================================================================*/ + +/*============================================================================*/ +/*============================================================================*/ +/*== HOST INTERFACE FUNCTIONS ==*/ +/*============================================================================*/ +/*============================================================================*/ + +/* +* \fn int hi_cfg_command() +* \brief Configure HI with settings stored in the demod structure. +* \param demod Demodulator. +* \return int. +* +* This routine was created because to much orthogonal settings have +* been put into one HI API function (configure). Especially the I2C bridge +* enable/disable should not need re-configuration of the HI. +* +*/ +static int hi_cfg_command(const struct drx_demod_instance *demod) +{ + struct drxj_data *ext_attr = (struct drxj_data *) (NULL); + struct drxj_hi_cmd hi_cmd; + u16 result = 0; + int rc; + + ext_attr = (struct drxj_data *) demod->my_ext_attr; + + hi_cmd.cmd = SIO_HI_RA_RAM_CMD_CONFIG; + hi_cmd.param1 = SIO_HI_RA_RAM_PAR_1_PAR1_SEC_KEY; + hi_cmd.param2 = ext_attr->hi_cfg_timing_div; + hi_cmd.param3 = ext_attr->hi_cfg_bridge_delay; + hi_cmd.param4 = ext_attr->hi_cfg_wake_up_key; + hi_cmd.param5 = ext_attr->hi_cfg_ctrl; + hi_cmd.param6 = ext_attr->hi_cfg_transmit; + + rc = hi_command(demod->my_i2c_dev_addr, &hi_cmd, &result); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Reset power down flag (set one call only) */ + ext_attr->hi_cfg_ctrl &= (~(SIO_HI_RA_RAM_PAR_5_CFG_SLEEP_ZZZ)); + + return 0; + +rw_error: + return rc; +} + +/* +* \fn int hi_command() +* \brief Configure HI with settings stored in the demod structure. +* \param dev_addr I2C address. +* \param cmd HI command. +* \param result HI command result. +* \return int. +* +* Sends command to HI +* +*/ +static int +hi_command(struct i2c_device_addr *dev_addr, const struct drxj_hi_cmd *cmd, u16 *result) +{ + u16 wait_cmd = 0; + u16 nr_retries = 0; + bool powerdown_cmd = false; + int rc; + + /* Write parameters */ + switch (cmd->cmd) { + + case SIO_HI_RA_RAM_CMD_CONFIG: + case SIO_HI_RA_RAM_CMD_ATOMIC_COPY: + rc = drxj_dap_write_reg16(dev_addr, SIO_HI_RA_RAM_PAR_6__A, cmd->param6, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_HI_RA_RAM_PAR_5__A, cmd->param5, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_HI_RA_RAM_PAR_4__A, cmd->param4, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_HI_RA_RAM_PAR_3__A, cmd->param3, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + fallthrough; + case SIO_HI_RA_RAM_CMD_BRDCTRL: + rc = drxj_dap_write_reg16(dev_addr, SIO_HI_RA_RAM_PAR_2__A, cmd->param2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_HI_RA_RAM_PAR_1__A, cmd->param1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + fallthrough; + case SIO_HI_RA_RAM_CMD_NULL: + /* No parameters */ + break; + + default: + return -EINVAL; + } + + /* Write command */ + rc = drxj_dap_write_reg16(dev_addr, SIO_HI_RA_RAM_CMD__A, cmd->cmd, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + if ((cmd->cmd) == SIO_HI_RA_RAM_CMD_RESET) + msleep(1); + + /* Detect power down to omit reading result */ + powerdown_cmd = (bool) ((cmd->cmd == SIO_HI_RA_RAM_CMD_CONFIG) && + (((cmd-> + param5) & SIO_HI_RA_RAM_PAR_5_CFG_SLEEP__M) + == SIO_HI_RA_RAM_PAR_5_CFG_SLEEP_ZZZ)); + if (!powerdown_cmd) { + /* Wait until command rdy */ + do { + nr_retries++; + if (nr_retries > DRXJ_MAX_RETRIES) { + rc = -ETIMEDOUT; + pr_err("timeout\n"); + goto rw_error; + } + + rc = drxj_dap_read_reg16(dev_addr, SIO_HI_RA_RAM_CMD__A, &wait_cmd, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } while (wait_cmd != 0); + + /* Read result */ + rc = drxj_dap_read_reg16(dev_addr, SIO_HI_RA_RAM_RES__A, result, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + } + /* if ( powerdown_cmd == true ) */ + return 0; +rw_error: + return rc; +} + +/* +* \fn int init_hi( const struct drx_demod_instance *demod ) +* \brief Initialise and configurate HI. +* \param demod pointer to demod data. +* \return int Return status. +* \retval 0 Success. +* \retval -EIO Failure. +* +* Needs to know Psys (System Clock period) and Posc (Osc Clock period) +* Need to store configuration in driver because of the way I2C +* bridging is controlled. +* +*/ +static int init_hi(const struct drx_demod_instance *demod) +{ + struct drxj_data *ext_attr = (struct drxj_data *) (NULL); + struct drx_common_attr *common_attr = (struct drx_common_attr *) (NULL); + struct i2c_device_addr *dev_addr = (struct i2c_device_addr *)(NULL); + int rc; + + ext_attr = (struct drxj_data *) demod->my_ext_attr; + common_attr = (struct drx_common_attr *) demod->my_common_attr; + dev_addr = demod->my_i2c_dev_addr; + + /* PATCH for bug 5003, HI ucode v3.1.0 */ + rc = drxj_dap_write_reg16(dev_addr, 0x4301D7, 0x801, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Timing div, 250ns/Psys */ + /* Timing div, = ( delay (nano seconds) * sysclk (kHz) )/ 1000 */ + ext_attr->hi_cfg_timing_div = + (u16) ((common_attr->sys_clock_freq / 1000) * HI_I2C_DELAY) / 1000; + /* Clipping */ + if ((ext_attr->hi_cfg_timing_div) > SIO_HI_RA_RAM_PAR_2_CFG_DIV__M) + ext_attr->hi_cfg_timing_div = SIO_HI_RA_RAM_PAR_2_CFG_DIV__M; + /* Bridge delay, uses oscilator clock */ + /* Delay = ( delay (nano seconds) * oscclk (kHz) )/ 1000 */ + /* SDA brdige delay */ + ext_attr->hi_cfg_bridge_delay = + (u16) ((common_attr->osc_clock_freq / 1000) * HI_I2C_BRIDGE_DELAY) / + 1000; + /* Clipping */ + if ((ext_attr->hi_cfg_bridge_delay) > SIO_HI_RA_RAM_PAR_3_CFG_DBL_SDA__M) + ext_attr->hi_cfg_bridge_delay = SIO_HI_RA_RAM_PAR_3_CFG_DBL_SDA__M; + /* SCL bridge delay, same as SDA for now */ + ext_attr->hi_cfg_bridge_delay += ((ext_attr->hi_cfg_bridge_delay) << + SIO_HI_RA_RAM_PAR_3_CFG_DBL_SCL__B); + /* Wakeup key, setting the read flag (as suggest in the documentation) does + not always result into a working solution (barebones worked VI2C failed). + Not setting the bit works in all cases . */ + ext_attr->hi_cfg_wake_up_key = DRXJ_WAKE_UP_KEY; + /* port/bridge/power down ctrl */ + ext_attr->hi_cfg_ctrl = (SIO_HI_RA_RAM_PAR_5_CFG_SLV0_SLAVE); + /* transit mode time out delay and watch dog divider */ + ext_attr->hi_cfg_transmit = SIO_HI_RA_RAM_PAR_6__PRE; + + rc = hi_cfg_command(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; + +rw_error: + return rc; +} + +/*============================================================================*/ +/*== END HOST INTERFACE FUNCTIONS ==*/ +/*============================================================================*/ + +/*============================================================================*/ +/*============================================================================*/ +/*== AUXILIARY FUNCTIONS ==*/ +/*============================================================================*/ +/*============================================================================*/ + +/* +* \fn int get_device_capabilities() +* \brief Get and store device capabilities. +* \param demod Pointer to demodulator instance. +* \return int. +* \return 0 Success +* \retval -EIO Failure +* +* Depending on pulldowns on MDx pins the following internals are set: +* * common_attr->osc_clock_freq +* * ext_attr->has_lna +* * ext_attr->has_ntsc +* * ext_attr->has_btsc +* * ext_attr->has_oob +* +*/ +static int get_device_capabilities(struct drx_demod_instance *demod) +{ + struct drx_common_attr *common_attr = (struct drx_common_attr *) (NULL); + struct drxj_data *ext_attr = (struct drxj_data *) NULL; + struct i2c_device_addr *dev_addr = (struct i2c_device_addr *)(NULL); + u16 sio_pdr_ohw_cfg = 0; + u32 sio_top_jtagid_lo = 0; + u16 bid = 0; + int rc; + + common_attr = (struct drx_common_attr *) demod->my_common_attr; + ext_attr = (struct drxj_data *) demod->my_ext_attr; + dev_addr = demod->my_i2c_dev_addr; + + rc = drxj_dap_write_reg16(dev_addr, SIO_TOP_COMM_KEY__A, SIO_TOP_COMM_KEY_KEY, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_read_reg16(dev_addr, SIO_PDR_OHW_CFG__A, &sio_pdr_ohw_cfg, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_TOP_COMM_KEY__A, SIO_TOP_COMM_KEY__PRE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + switch ((sio_pdr_ohw_cfg & SIO_PDR_OHW_CFG_FREF_SEL__M)) { + case 0: + /* ignore (bypass ?) */ + break; + case 1: + /* 27 MHz */ + common_attr->osc_clock_freq = 27000; + break; + case 2: + /* 20.25 MHz */ + common_attr->osc_clock_freq = 20250; + break; + case 3: + /* 4 MHz */ + common_attr->osc_clock_freq = 4000; + break; + default: + return -EIO; + } + + /* + Determine device capabilities + Based on pinning v47 + */ + rc = drxdap_fasi_read_reg32(dev_addr, SIO_TOP_JTAGID_LO__A, &sio_top_jtagid_lo, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + ext_attr->mfx = (u8) ((sio_top_jtagid_lo >> 29) & 0xF); + + switch ((sio_top_jtagid_lo >> 12) & 0xFF) { + case 0x31: + rc = drxj_dap_write_reg16(dev_addr, SIO_TOP_COMM_KEY__A, SIO_TOP_COMM_KEY_KEY, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_read_reg16(dev_addr, SIO_PDR_UIO_IN_HI__A, &bid, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + bid = (bid >> 10) & 0xf; + rc = drxj_dap_write_reg16(dev_addr, SIO_TOP_COMM_KEY__A, SIO_TOP_COMM_KEY__PRE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + ext_attr->has_lna = true; + ext_attr->has_ntsc = false; + ext_attr->has_btsc = false; + ext_attr->has_oob = false; + ext_attr->has_smatx = true; + ext_attr->has_smarx = false; + ext_attr->has_gpio = false; + ext_attr->has_irqn = false; + break; + case 0x33: + ext_attr->has_lna = false; + ext_attr->has_ntsc = false; + ext_attr->has_btsc = false; + ext_attr->has_oob = false; + ext_attr->has_smatx = true; + ext_attr->has_smarx = false; + ext_attr->has_gpio = false; + ext_attr->has_irqn = false; + break; + case 0x45: + ext_attr->has_lna = true; + ext_attr->has_ntsc = true; + ext_attr->has_btsc = false; + ext_attr->has_oob = false; + ext_attr->has_smatx = true; + ext_attr->has_smarx = true; + ext_attr->has_gpio = true; + ext_attr->has_irqn = false; + break; + case 0x46: + ext_attr->has_lna = false; + ext_attr->has_ntsc = true; + ext_attr->has_btsc = false; + ext_attr->has_oob = false; + ext_attr->has_smatx = true; + ext_attr->has_smarx = true; + ext_attr->has_gpio = true; + ext_attr->has_irqn = false; + break; + case 0x41: + ext_attr->has_lna = true; + ext_attr->has_ntsc = true; + ext_attr->has_btsc = true; + ext_attr->has_oob = false; + ext_attr->has_smatx = true; + ext_attr->has_smarx = true; + ext_attr->has_gpio = true; + ext_attr->has_irqn = false; + break; + case 0x43: + ext_attr->has_lna = false; + ext_attr->has_ntsc = true; + ext_attr->has_btsc = true; + ext_attr->has_oob = false; + ext_attr->has_smatx = true; + ext_attr->has_smarx = true; + ext_attr->has_gpio = true; + ext_attr->has_irqn = false; + break; + case 0x32: + ext_attr->has_lna = true; + ext_attr->has_ntsc = false; + ext_attr->has_btsc = false; + ext_attr->has_oob = true; + ext_attr->has_smatx = true; + ext_attr->has_smarx = true; + ext_attr->has_gpio = true; + ext_attr->has_irqn = true; + break; + case 0x34: + ext_attr->has_lna = false; + ext_attr->has_ntsc = true; + ext_attr->has_btsc = true; + ext_attr->has_oob = true; + ext_attr->has_smatx = true; + ext_attr->has_smarx = true; + ext_attr->has_gpio = true; + ext_attr->has_irqn = true; + break; + case 0x42: + ext_attr->has_lna = true; + ext_attr->has_ntsc = true; + ext_attr->has_btsc = true; + ext_attr->has_oob = true; + ext_attr->has_smatx = true; + ext_attr->has_smarx = true; + ext_attr->has_gpio = true; + ext_attr->has_irqn = true; + break; + case 0x44: + ext_attr->has_lna = false; + ext_attr->has_ntsc = true; + ext_attr->has_btsc = true; + ext_attr->has_oob = true; + ext_attr->has_smatx = true; + ext_attr->has_smarx = true; + ext_attr->has_gpio = true; + ext_attr->has_irqn = true; + break; + default: + /* Unknown device variant */ + return -EIO; + break; + } + + return 0; +rw_error: + return rc; +} + +/* +* \fn int power_up_device() +* \brief Power up device. +* \param demod Pointer to demodulator instance. +* \return int. +* \return 0 Success +* \retval -EIO Failure, I2C or max retries reached +* +*/ + +#ifndef DRXJ_MAX_RETRIES_POWERUP +#define DRXJ_MAX_RETRIES_POWERUP 10 +#endif + +static int power_up_device(struct drx_demod_instance *demod) +{ + struct i2c_device_addr *dev_addr = (struct i2c_device_addr *)(NULL); + u8 data = 0; + u16 retry_count = 0; + struct i2c_device_addr wake_up_addr; + + dev_addr = demod->my_i2c_dev_addr; + wake_up_addr.i2c_addr = DRXJ_WAKE_UP_KEY; + wake_up_addr.i2c_dev_id = dev_addr->i2c_dev_id; + wake_up_addr.user_data = dev_addr->user_data; + /* + * I2C access may fail in this case: no ack + * dummy write must be used to wake uop device, dummy read must be used to + * reset HI state machine (avoiding actual writes) + */ + do { + data = 0; + drxbsp_i2c_write_read(&wake_up_addr, 1, &data, + (struct i2c_device_addr *)(NULL), 0, + (u8 *)(NULL)); + msleep(10); + retry_count++; + } while ((drxbsp_i2c_write_read + ((struct i2c_device_addr *) (NULL), 0, (u8 *)(NULL), dev_addr, 1, + &data) + != 0) && (retry_count < DRXJ_MAX_RETRIES_POWERUP)); + + /* Need some recovery time .... */ + msleep(10); + + if (retry_count == DRXJ_MAX_RETRIES_POWERUP) + return -EIO; + + return 0; +} + +/*----------------------------------------------------------------------------*/ +/* MPEG Output Configuration Functions - begin */ +/*----------------------------------------------------------------------------*/ +/* +* \fn int ctrl_set_cfg_mpeg_output() +* \brief Set MPEG output configuration of the device. +* \param devmod Pointer to demodulator instance. +* \param cfg_data Pointer to mpeg output configuaration. +* \return int. +* +* Configure MPEG output parameters. +* +*/ +static int +ctrl_set_cfg_mpeg_output(struct drx_demod_instance *demod, struct drx_cfg_mpeg_output *cfg_data) +{ + struct i2c_device_addr *dev_addr = (struct i2c_device_addr *)(NULL); + struct drxj_data *ext_attr = (struct drxj_data *) (NULL); + struct drx_common_attr *common_attr = (struct drx_common_attr *) (NULL); + int rc; + u16 fec_oc_reg_mode = 0; + u16 fec_oc_reg_ipr_mode = 0; + u16 fec_oc_reg_ipr_invert = 0; + u32 max_bit_rate = 0; + u32 rcn_rate = 0; + u32 nr_bits = 0; + u16 sio_pdr_md_cfg = 0; + /* data mask for the output data byte */ + u16 invert_data_mask = + FEC_OC_IPR_INVERT_MD7__M | FEC_OC_IPR_INVERT_MD6__M | + FEC_OC_IPR_INVERT_MD5__M | FEC_OC_IPR_INVERT_MD4__M | + FEC_OC_IPR_INVERT_MD3__M | FEC_OC_IPR_INVERT_MD2__M | + FEC_OC_IPR_INVERT_MD1__M | FEC_OC_IPR_INVERT_MD0__M; + + /* check arguments */ + if ((demod == NULL) || (cfg_data == NULL)) + return -EINVAL; + + dev_addr = demod->my_i2c_dev_addr; + ext_attr = (struct drxj_data *) demod->my_ext_attr; + common_attr = (struct drx_common_attr *) demod->my_common_attr; + + if (cfg_data->enable_mpeg_output == true) { + /* quick and dirty patch to set MPEG in case current std is not + producing MPEG */ + switch (ext_attr->standard) { + case DRX_STANDARD_8VSB: + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_B: + case DRX_STANDARD_ITU_C: + break; + default: + return 0; + } + + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_OCR_INVERT__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + switch (ext_attr->standard) { + case DRX_STANDARD_8VSB: + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_FCT_USAGE__A, 7, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /* 2048 bytes fifo ram */ + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_TMD_CTL_UPD_RATE__A, 10, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_TMD_INT_UPD_RATE__A, 10, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_AVR_PARM_A__A, 5, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_AVR_PARM_B__A, 7, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_RCN_GAIN__A, 10, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* Low Water Mark for synchronization */ + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_SNC_LWM__A, 3, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* High Water Mark for synchronization */ + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_SNC_HWM__A, 5, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_C: + switch (ext_attr->constellation) { + case DRX_CONSTELLATION_QAM256: + nr_bits = 8; + break; + case DRX_CONSTELLATION_QAM128: + nr_bits = 7; + break; + case DRX_CONSTELLATION_QAM64: + nr_bits = 6; + break; + case DRX_CONSTELLATION_QAM32: + nr_bits = 5; + break; + case DRX_CONSTELLATION_QAM16: + nr_bits = 4; + break; + default: + return -EIO; + } /* ext_attr->constellation */ + /* max_bit_rate = symbol_rate * nr_bits * coef */ + /* coef = 188/204 */ + max_bit_rate = + (ext_attr->curr_symbol_rate / 8) * nr_bits * 188; + fallthrough; /* as b/c Annex A/C need following settings */ + case DRX_STANDARD_ITU_B: + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_FCT_USAGE__A, FEC_OC_FCT_USAGE__PRE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_TMD_CTL_UPD_RATE__A, FEC_OC_TMD_CTL_UPD_RATE__PRE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_TMD_INT_UPD_RATE__A, 5, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_AVR_PARM_A__A, FEC_OC_AVR_PARM_A__PRE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_AVR_PARM_B__A, FEC_OC_AVR_PARM_B__PRE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (cfg_data->static_clk == true) { + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_RCN_GAIN__A, 0xD, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } else { + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_RCN_GAIN__A, FEC_OC_RCN_GAIN__PRE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_SNC_LWM__A, 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_SNC_HWM__A, 12, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + default: + break; + } /* switch (standard) */ + + /* Check insertion of the Reed-Solomon parity bytes */ + rc = drxj_dap_read_reg16(dev_addr, FEC_OC_MODE__A, &fec_oc_reg_mode, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_read_reg16(dev_addr, FEC_OC_IPR_MODE__A, &fec_oc_reg_ipr_mode, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (cfg_data->insert_rs_byte == true) { + /* enable parity symbol forward */ + fec_oc_reg_mode |= FEC_OC_MODE_PARITY__M; + /* MVAL disable during parity bytes */ + fec_oc_reg_ipr_mode |= FEC_OC_IPR_MODE_MVAL_DIS_PAR__M; + switch (ext_attr->standard) { + case DRX_STANDARD_8VSB: + rcn_rate = 0x004854D3; + break; + case DRX_STANDARD_ITU_B: + fec_oc_reg_mode |= FEC_OC_MODE_TRANSPARENT__M; + switch (ext_attr->constellation) { + case DRX_CONSTELLATION_QAM256: + rcn_rate = 0x008945E7; + break; + case DRX_CONSTELLATION_QAM64: + rcn_rate = 0x005F64D4; + break; + default: + return -EIO; + } + break; + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_C: + /* insert_rs_byte = true -> coef = 188/188 -> 1, RS bits are in MPEG output */ + rcn_rate = + (frac28 + (max_bit_rate, + (u32) (common_attr->sys_clock_freq / 8))) / + 188; + break; + default: + return -EIO; + } /* ext_attr->standard */ + } else { /* insert_rs_byte == false */ + + /* disable parity symbol forward */ + fec_oc_reg_mode &= (~FEC_OC_MODE_PARITY__M); + /* MVAL enable during parity bytes */ + fec_oc_reg_ipr_mode &= (~FEC_OC_IPR_MODE_MVAL_DIS_PAR__M); + switch (ext_attr->standard) { + case DRX_STANDARD_8VSB: + rcn_rate = 0x0041605C; + break; + case DRX_STANDARD_ITU_B: + fec_oc_reg_mode &= (~FEC_OC_MODE_TRANSPARENT__M); + switch (ext_attr->constellation) { + case DRX_CONSTELLATION_QAM256: + rcn_rate = 0x0082D6A0; + break; + case DRX_CONSTELLATION_QAM64: + rcn_rate = 0x005AEC1A; + break; + default: + return -EIO; + } + break; + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_C: + /* insert_rs_byte = false -> coef = 188/204, RS bits not in MPEG output */ + rcn_rate = + (frac28 + (max_bit_rate, + (u32) (common_attr->sys_clock_freq / 8))) / + 204; + break; + default: + return -EIO; + } /* ext_attr->standard */ + } + + if (cfg_data->enable_parallel == true) { /* MPEG data output is parallel -> clear ipr_mode[0] */ + fec_oc_reg_ipr_mode &= (~(FEC_OC_IPR_MODE_SERIAL__M)); + } else { /* MPEG data output is serial -> set ipr_mode[0] */ + fec_oc_reg_ipr_mode |= FEC_OC_IPR_MODE_SERIAL__M; + } + + /* Control slective inversion of output bits */ + if (cfg_data->invert_data == true) + fec_oc_reg_ipr_invert |= invert_data_mask; + else + fec_oc_reg_ipr_invert &= (~(invert_data_mask)); + + if (cfg_data->invert_err == true) + fec_oc_reg_ipr_invert |= FEC_OC_IPR_INVERT_MERR__M; + else + fec_oc_reg_ipr_invert &= (~(FEC_OC_IPR_INVERT_MERR__M)); + + if (cfg_data->invert_str == true) + fec_oc_reg_ipr_invert |= FEC_OC_IPR_INVERT_MSTRT__M; + else + fec_oc_reg_ipr_invert &= (~(FEC_OC_IPR_INVERT_MSTRT__M)); + + if (cfg_data->invert_val == true) + fec_oc_reg_ipr_invert |= FEC_OC_IPR_INVERT_MVAL__M; + else + fec_oc_reg_ipr_invert &= (~(FEC_OC_IPR_INVERT_MVAL__M)); + + if (cfg_data->invert_clk == true) + fec_oc_reg_ipr_invert |= FEC_OC_IPR_INVERT_MCLK__M; + else + fec_oc_reg_ipr_invert &= (~(FEC_OC_IPR_INVERT_MCLK__M)); + + + if (cfg_data->static_clk == true) { /* Static mode */ + u32 dto_rate = 0; + u32 bit_rate = 0; + u16 fec_oc_dto_burst_len = 0; + u16 fec_oc_dto_period = 0; + + fec_oc_dto_burst_len = FEC_OC_DTO_BURST_LEN__PRE; + + switch (ext_attr->standard) { + case DRX_STANDARD_8VSB: + fec_oc_dto_period = 4; + if (cfg_data->insert_rs_byte == true) + fec_oc_dto_burst_len = 208; + break; + case DRX_STANDARD_ITU_A: + { + u32 symbol_rate_th = 6400000; + if (cfg_data->insert_rs_byte == true) { + fec_oc_dto_burst_len = 204; + symbol_rate_th = 5900000; + } + if (ext_attr->curr_symbol_rate >= + symbol_rate_th) { + fec_oc_dto_period = 0; + } else { + fec_oc_dto_period = 1; + } + } + break; + case DRX_STANDARD_ITU_B: + fec_oc_dto_period = 1; + if (cfg_data->insert_rs_byte == true) + fec_oc_dto_burst_len = 128; + break; + case DRX_STANDARD_ITU_C: + fec_oc_dto_period = 1; + if (cfg_data->insert_rs_byte == true) + fec_oc_dto_burst_len = 204; + break; + default: + return -EIO; + } + bit_rate = + common_attr->sys_clock_freq * 1000 / (fec_oc_dto_period + + 2); + dto_rate = + frac28(bit_rate, common_attr->sys_clock_freq * 1000); + dto_rate >>= 3; + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_DTO_RATE_HI__A, (u16)((dto_rate >> 16) & FEC_OC_DTO_RATE_HI__M), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_DTO_RATE_LO__A, (u16)(dto_rate & FEC_OC_DTO_RATE_LO_RATE_LO__M), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_DTO_MODE__A, FEC_OC_DTO_MODE_DYNAMIC__M | FEC_OC_DTO_MODE_OFFSET_ENABLE__M, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_FCT_MODE__A, FEC_OC_FCT_MODE_RAT_ENA__M | FEC_OC_FCT_MODE_VIRT_ENA__M, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_DTO_BURST_LEN__A, fec_oc_dto_burst_len, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (ext_attr->mpeg_output_clock_rate != DRXJ_MPEGOUTPUT_CLOCK_RATE_AUTO) + fec_oc_dto_period = ext_attr->mpeg_output_clock_rate - 1; + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_DTO_PERIOD__A, fec_oc_dto_period, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } else { /* Dynamic mode */ + + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_DTO_MODE__A, FEC_OC_DTO_MODE_DYNAMIC__M, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_FCT_MODE__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + rc = drxdap_fasi_write_reg32(dev_addr, FEC_OC_RCN_CTL_RATE_LO__A, rcn_rate, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Write appropriate registers with requested configuration */ + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_MODE__A, fec_oc_reg_mode, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_IPR_MODE__A, fec_oc_reg_ipr_mode, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_IPR_INVERT__A, fec_oc_reg_ipr_invert, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* enabling for both parallel and serial now */ + /* Write magic word to enable pdr reg write */ + rc = drxj_dap_write_reg16(dev_addr, SIO_TOP_COMM_KEY__A, 0xFABA, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* Set MPEG TS pads to outputmode */ + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MSTRT_CFG__A, 0x0013, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MERR_CFG__A, 0x0013, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MCLK_CFG__A, MPEG_OUTPUT_CLK_DRIVE_STRENGTH << SIO_PDR_MCLK_CFG_DRIVE__B | 0x03 << SIO_PDR_MCLK_CFG_MODE__B, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MVAL_CFG__A, 0x0013, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + sio_pdr_md_cfg = + MPEG_SERIAL_OUTPUT_PIN_DRIVE_STRENGTH << + SIO_PDR_MD0_CFG_DRIVE__B | 0x03 << SIO_PDR_MD0_CFG_MODE__B; + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD0_CFG__A, sio_pdr_md_cfg, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (cfg_data->enable_parallel == true) { /* MPEG data output is parallel -> set MD1 to MD7 to output mode */ + sio_pdr_md_cfg = + MPEG_PARALLEL_OUTPUT_PIN_DRIVE_STRENGTH << + SIO_PDR_MD0_CFG_DRIVE__B | 0x03 << + SIO_PDR_MD0_CFG_MODE__B; + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD0_CFG__A, sio_pdr_md_cfg, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD1_CFG__A, sio_pdr_md_cfg, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD2_CFG__A, sio_pdr_md_cfg, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD3_CFG__A, sio_pdr_md_cfg, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD4_CFG__A, sio_pdr_md_cfg, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD5_CFG__A, sio_pdr_md_cfg, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD6_CFG__A, sio_pdr_md_cfg, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD7_CFG__A, sio_pdr_md_cfg, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } else { /* MPEG data output is serial -> set MD1 to MD7 to tri-state */ + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD1_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD2_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD3_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD4_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD5_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD6_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD7_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + /* Enable Monitor Bus output over MPEG pads and ctl input */ + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MON_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* Write nomagic word to enable pdr reg write */ + rc = drxj_dap_write_reg16(dev_addr, SIO_TOP_COMM_KEY__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } else { + /* Write magic word to enable pdr reg write */ + rc = drxj_dap_write_reg16(dev_addr, SIO_TOP_COMM_KEY__A, 0xFABA, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* Set MPEG TS pads to inputmode */ + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MSTRT_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MERR_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MCLK_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MVAL_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD0_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD1_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD2_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD3_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD4_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD5_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD6_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MD7_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* Enable Monitor Bus output over MPEG pads and ctl input */ + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_MON_CFG__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* Write nomagic word to enable pdr reg write */ + rc = drxj_dap_write_reg16(dev_addr, SIO_TOP_COMM_KEY__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + /* save values for restore after re-acquire */ + common_attr->mpeg_cfg.enable_mpeg_output = cfg_data->enable_mpeg_output; + + return 0; +rw_error: + return rc; +} + +/*----------------------------------------------------------------------------*/ + + +/*----------------------------------------------------------------------------*/ +/* MPEG Output Configuration Functions - end */ +/*----------------------------------------------------------------------------*/ + +/*----------------------------------------------------------------------------*/ +/* miscellaneous configurations - begin */ +/*----------------------------------------------------------------------------*/ + +/* +* \fn int set_mpegtei_handling() +* \brief Activate MPEG TEI handling settings. +* \param devmod Pointer to demodulator instance. +* \return int. +* +* This routine should be called during a set channel of QAM/VSB +* +*/ +static int set_mpegtei_handling(struct drx_demod_instance *demod) +{ + struct drxj_data *ext_attr = (struct drxj_data *) (NULL); + struct i2c_device_addr *dev_addr = (struct i2c_device_addr *)(NULL); + int rc; + u16 fec_oc_dpr_mode = 0; + u16 fec_oc_snc_mode = 0; + u16 fec_oc_ems_mode = 0; + + dev_addr = demod->my_i2c_dev_addr; + ext_attr = (struct drxj_data *) demod->my_ext_attr; + + rc = drxj_dap_read_reg16(dev_addr, FEC_OC_DPR_MODE__A, &fec_oc_dpr_mode, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_read_reg16(dev_addr, FEC_OC_SNC_MODE__A, &fec_oc_snc_mode, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_read_reg16(dev_addr, FEC_OC_EMS_MODE__A, &fec_oc_ems_mode, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* reset to default, allow TEI bit to be changed */ + fec_oc_dpr_mode &= (~FEC_OC_DPR_MODE_ERR_DISABLE__M); + fec_oc_snc_mode &= (~(FEC_OC_SNC_MODE_ERROR_CTL__M | + FEC_OC_SNC_MODE_CORR_DISABLE__M)); + fec_oc_ems_mode &= (~FEC_OC_EMS_MODE_MODE__M); + + if (ext_attr->disable_te_ihandling) { + /* do not change TEI bit */ + fec_oc_dpr_mode |= FEC_OC_DPR_MODE_ERR_DISABLE__M; + fec_oc_snc_mode |= FEC_OC_SNC_MODE_CORR_DISABLE__M | + ((0x2) << (FEC_OC_SNC_MODE_ERROR_CTL__B)); + fec_oc_ems_mode |= ((0x01) << (FEC_OC_EMS_MODE_MODE__B)); + } + + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_DPR_MODE__A, fec_oc_dpr_mode, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_SNC_MODE__A, fec_oc_snc_mode, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_EMS_MODE__A, fec_oc_ems_mode, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; +rw_error: + return rc; +} + +/*----------------------------------------------------------------------------*/ +/* +* \fn int bit_reverse_mpeg_output() +* \brief Set MPEG output bit-endian settings. +* \param devmod Pointer to demodulator instance. +* \return int. +* +* This routine should be called during a set channel of QAM/VSB +* +*/ +static int bit_reverse_mpeg_output(struct drx_demod_instance *demod) +{ + struct drxj_data *ext_attr = (struct drxj_data *) (NULL); + struct i2c_device_addr *dev_addr = (struct i2c_device_addr *)(NULL); + int rc; + u16 fec_oc_ipr_mode = 0; + + dev_addr = demod->my_i2c_dev_addr; + ext_attr = (struct drxj_data *) demod->my_ext_attr; + + rc = drxj_dap_read_reg16(dev_addr, FEC_OC_IPR_MODE__A, &fec_oc_ipr_mode, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* reset to default (normal bit order) */ + fec_oc_ipr_mode &= (~FEC_OC_IPR_MODE_REVERSE_ORDER__M); + + if (ext_attr->bit_reverse_mpeg_outout) + fec_oc_ipr_mode |= FEC_OC_IPR_MODE_REVERSE_ORDER__M; + + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_IPR_MODE__A, fec_oc_ipr_mode, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; +rw_error: + return rc; +} + +/*----------------------------------------------------------------------------*/ +/* +* \fn int set_mpeg_start_width() +* \brief Set MPEG start width. +* \param devmod Pointer to demodulator instance. +* \return int. +* +* This routine should be called during a set channel of QAM/VSB +* +*/ +static int set_mpeg_start_width(struct drx_demod_instance *demod) +{ + struct drxj_data *ext_attr = (struct drxj_data *) (NULL); + struct i2c_device_addr *dev_addr = (struct i2c_device_addr *)(NULL); + struct drx_common_attr *common_attr = (struct drx_common_attr *) NULL; + int rc; + u16 fec_oc_comm_mb = 0; + + dev_addr = demod->my_i2c_dev_addr; + ext_attr = (struct drxj_data *) demod->my_ext_attr; + common_attr = demod->my_common_attr; + + if ((common_attr->mpeg_cfg.static_clk == true) + && (common_attr->mpeg_cfg.enable_parallel == false)) { + rc = drxj_dap_read_reg16(dev_addr, FEC_OC_COMM_MB__A, &fec_oc_comm_mb, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + fec_oc_comm_mb &= ~FEC_OC_COMM_MB_CTL_ON; + if (ext_attr->mpeg_start_width == DRXJ_MPEG_START_WIDTH_8CLKCYC) + fec_oc_comm_mb |= FEC_OC_COMM_MB_CTL_ON; + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_COMM_MB__A, fec_oc_comm_mb, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + return 0; +rw_error: + return rc; +} + +/*----------------------------------------------------------------------------*/ +/* miscellaneous configurations - end */ +/*----------------------------------------------------------------------------*/ + +/*----------------------------------------------------------------------------*/ +/* UIO Configuration Functions - begin */ +/*----------------------------------------------------------------------------*/ +/* +* \fn int ctrl_set_uio_cfg() +* \brief Configure modus oprandi UIO. +* \param demod Pointer to demodulator instance. +* \param uio_cfg Pointer to a configuration setting for a certain UIO. +* \return int. +*/ +static int ctrl_set_uio_cfg(struct drx_demod_instance *demod, struct drxuio_cfg *uio_cfg) +{ + struct drxj_data *ext_attr = (struct drxj_data *) (NULL); + int rc; + + if ((uio_cfg == NULL) || (demod == NULL)) + return -EINVAL; + + ext_attr = (struct drxj_data *) demod->my_ext_attr; + + /* Write magic word to enable pdr reg write */ + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, SIO_TOP_COMM_KEY__A, SIO_TOP_COMM_KEY_KEY, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + switch (uio_cfg->uio) { + /*====================================================================*/ + case DRX_UIO1: + /* DRX_UIO1: SMA_TX UIO-1 */ + if (!ext_attr->has_smatx) + return -EIO; + switch (uio_cfg->mode) { + case DRX_UIO_MODE_FIRMWARE_SMA: + case DRX_UIO_MODE_FIRMWARE_SAW: + case DRX_UIO_MODE_READWRITE: + ext_attr->uio_sma_tx_mode = uio_cfg->mode; + break; + case DRX_UIO_MODE_DISABLE: + ext_attr->uio_sma_tx_mode = uio_cfg->mode; + /* pad configuration register is set 0 - input mode */ + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, SIO_PDR_SMA_TX_CFG__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + default: + return -EINVAL; + } /* switch ( uio_cfg->mode ) */ + break; + /*====================================================================*/ + case DRX_UIO2: + /* DRX_UIO2: SMA_RX UIO-2 */ + if (!ext_attr->has_smarx) + return -EIO; + switch (uio_cfg->mode) { + case DRX_UIO_MODE_FIRMWARE0: + case DRX_UIO_MODE_READWRITE: + ext_attr->uio_sma_rx_mode = uio_cfg->mode; + break; + case DRX_UIO_MODE_DISABLE: + ext_attr->uio_sma_rx_mode = uio_cfg->mode; + /* pad configuration register is set 0 - input mode */ + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, SIO_PDR_SMA_RX_CFG__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + default: + return -EINVAL; + } /* switch ( uio_cfg->mode ) */ + break; + /*====================================================================*/ + case DRX_UIO3: + /* DRX_UIO3: GPIO UIO-3 */ + if (!ext_attr->has_gpio) + return -EIO; + switch (uio_cfg->mode) { + case DRX_UIO_MODE_FIRMWARE0: + case DRX_UIO_MODE_READWRITE: + ext_attr->uio_gpio_mode = uio_cfg->mode; + break; + case DRX_UIO_MODE_DISABLE: + ext_attr->uio_gpio_mode = uio_cfg->mode; + /* pad configuration register is set 0 - input mode */ + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, SIO_PDR_GPIO_CFG__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + default: + return -EINVAL; + } /* switch ( uio_cfg->mode ) */ + break; + /*====================================================================*/ + case DRX_UIO4: + /* DRX_UIO4: IRQN UIO-4 */ + if (!ext_attr->has_irqn) + return -EIO; + switch (uio_cfg->mode) { + case DRX_UIO_MODE_READWRITE: + ext_attr->uio_irqn_mode = uio_cfg->mode; + break; + case DRX_UIO_MODE_DISABLE: + /* pad configuration register is set 0 - input mode */ + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, SIO_PDR_IRQN_CFG__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + ext_attr->uio_irqn_mode = uio_cfg->mode; + break; + case DRX_UIO_MODE_FIRMWARE0: + default: + return -EINVAL; + } /* switch ( uio_cfg->mode ) */ + break; + /*====================================================================*/ + default: + return -EINVAL; + } /* switch ( uio_cfg->uio ) */ + + /* Write magic word to disable pdr reg write */ + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, SIO_TOP_COMM_KEY__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; +rw_error: + return rc; +} + +/* +* \fn int ctrl_uio_write() +* \brief Write to a UIO. +* \param demod Pointer to demodulator instance. +* \param uio_data Pointer to data container for a certain UIO. +* \return int. +*/ +static int +ctrl_uio_write(struct drx_demod_instance *demod, struct drxuio_data *uio_data) +{ + struct drxj_data *ext_attr = (struct drxj_data *) (NULL); + int rc; + u16 pin_cfg_value = 0; + u16 value = 0; + + if ((uio_data == NULL) || (demod == NULL)) + return -EINVAL; + + ext_attr = (struct drxj_data *) demod->my_ext_attr; + + /* Write magic word to enable pdr reg write */ + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, SIO_TOP_COMM_KEY__A, SIO_TOP_COMM_KEY_KEY, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + switch (uio_data->uio) { + /*====================================================================*/ + case DRX_UIO1: + /* DRX_UIO1: SMA_TX UIO-1 */ + if (!ext_attr->has_smatx) + return -EIO; + if ((ext_attr->uio_sma_tx_mode != DRX_UIO_MODE_READWRITE) + && (ext_attr->uio_sma_tx_mode != DRX_UIO_MODE_FIRMWARE_SAW)) { + return -EIO; + } + pin_cfg_value = 0; + /* io_pad_cfg register (8 bit reg.) MSB bit is 1 (default value) */ + pin_cfg_value |= 0x0113; + /* io_pad_cfg_mode output mode is drive always */ + /* io_pad_cfg_drive is set to power 2 (23 mA) */ + + /* write to io pad configuration register - output mode */ + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, SIO_PDR_SMA_TX_CFG__A, pin_cfg_value, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* use corresponding bit in io data output registar */ + rc = drxj_dap_read_reg16(demod->my_i2c_dev_addr, SIO_PDR_UIO_OUT_LO__A, &value, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (!uio_data->value) + value &= 0x7FFF; /* write zero to 15th bit - 1st UIO */ + else + value |= 0x8000; /* write one to 15th bit - 1st UIO */ + + /* write back to io data output register */ + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, SIO_PDR_UIO_OUT_LO__A, value, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + /*======================================================================*/ + case DRX_UIO2: + /* DRX_UIO2: SMA_RX UIO-2 */ + if (!ext_attr->has_smarx) + return -EIO; + if (ext_attr->uio_sma_rx_mode != DRX_UIO_MODE_READWRITE) + return -EIO; + + pin_cfg_value = 0; + /* io_pad_cfg register (8 bit reg.) MSB bit is 1 (default value) */ + pin_cfg_value |= 0x0113; + /* io_pad_cfg_mode output mode is drive always */ + /* io_pad_cfg_drive is set to power 2 (23 mA) */ + + /* write to io pad configuration register - output mode */ + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, SIO_PDR_SMA_RX_CFG__A, pin_cfg_value, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* use corresponding bit in io data output registar */ + rc = drxj_dap_read_reg16(demod->my_i2c_dev_addr, SIO_PDR_UIO_OUT_LO__A, &value, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (!uio_data->value) + value &= 0xBFFF; /* write zero to 14th bit - 2nd UIO */ + else + value |= 0x4000; /* write one to 14th bit - 2nd UIO */ + + /* write back to io data output register */ + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, SIO_PDR_UIO_OUT_LO__A, value, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + /*====================================================================*/ + case DRX_UIO3: + /* DRX_UIO3: ASEL UIO-3 */ + if (!ext_attr->has_gpio) + return -EIO; + if (ext_attr->uio_gpio_mode != DRX_UIO_MODE_READWRITE) + return -EIO; + + pin_cfg_value = 0; + /* io_pad_cfg register (8 bit reg.) MSB bit is 1 (default value) */ + pin_cfg_value |= 0x0113; + /* io_pad_cfg_mode output mode is drive always */ + /* io_pad_cfg_drive is set to power 2 (23 mA) */ + + /* write to io pad configuration register - output mode */ + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, SIO_PDR_GPIO_CFG__A, pin_cfg_value, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* use corresponding bit in io data output registar */ + rc = drxj_dap_read_reg16(demod->my_i2c_dev_addr, SIO_PDR_UIO_OUT_HI__A, &value, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (!uio_data->value) + value &= 0xFFFB; /* write zero to 2nd bit - 3rd UIO */ + else + value |= 0x0004; /* write one to 2nd bit - 3rd UIO */ + + /* write back to io data output register */ + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, SIO_PDR_UIO_OUT_HI__A, value, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + /*=====================================================================*/ + case DRX_UIO4: + /* DRX_UIO4: IRQN UIO-4 */ + if (!ext_attr->has_irqn) + return -EIO; + + if (ext_attr->uio_irqn_mode != DRX_UIO_MODE_READWRITE) + return -EIO; + + pin_cfg_value = 0; + /* io_pad_cfg register (8 bit reg.) MSB bit is 1 (default value) */ + pin_cfg_value |= 0x0113; + /* io_pad_cfg_mode output mode is drive always */ + /* io_pad_cfg_drive is set to power 2 (23 mA) */ + + /* write to io pad configuration register - output mode */ + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, SIO_PDR_IRQN_CFG__A, pin_cfg_value, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* use corresponding bit in io data output registar */ + rc = drxj_dap_read_reg16(demod->my_i2c_dev_addr, SIO_PDR_UIO_OUT_LO__A, &value, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (uio_data->value == false) + value &= 0xEFFF; /* write zero to 12th bit - 4th UIO */ + else + value |= 0x1000; /* write one to 12th bit - 4th UIO */ + + /* write back to io data output register */ + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, SIO_PDR_UIO_OUT_LO__A, value, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + /*=====================================================================*/ + default: + return -EINVAL; + } /* switch ( uio_data->uio ) */ + + /* Write magic word to disable pdr reg write */ + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, SIO_TOP_COMM_KEY__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; +rw_error: + return rc; +} + +/*---------------------------------------------------------------------------*/ +/* UIO Configuration Functions - end */ +/*---------------------------------------------------------------------------*/ + +/*----------------------------------------------------------------------------*/ +/* I2C Bridge Functions - begin */ +/*----------------------------------------------------------------------------*/ +/* +* \fn int ctrl_i2c_bridge() +* \brief Open or close the I2C switch to tuner. +* \param demod Pointer to demodulator instance. +* \param bridge_closed Pointer to bool indication if bridge is closed not. +* \return int. + +*/ +static int +ctrl_i2c_bridge(struct drx_demod_instance *demod, bool *bridge_closed) +{ + struct drxj_hi_cmd hi_cmd; + u16 result = 0; + + /* check arguments */ + if (bridge_closed == NULL) + return -EINVAL; + + hi_cmd.cmd = SIO_HI_RA_RAM_CMD_BRDCTRL; + hi_cmd.param1 = SIO_HI_RA_RAM_PAR_1_PAR1_SEC_KEY; + if (*bridge_closed) + hi_cmd.param2 = SIO_HI_RA_RAM_PAR_2_BRD_CFG_CLOSED; + else + hi_cmd.param2 = SIO_HI_RA_RAM_PAR_2_BRD_CFG_OPEN; + + return hi_command(demod->my_i2c_dev_addr, &hi_cmd, &result); +} + +/*----------------------------------------------------------------------------*/ +/* I2C Bridge Functions - end */ +/*----------------------------------------------------------------------------*/ + +/*----------------------------------------------------------------------------*/ +/* Smart antenna Functions - begin */ +/*----------------------------------------------------------------------------*/ +/* +* \fn int smart_ant_init() +* \brief Initialize Smart Antenna. +* \param pointer to struct drx_demod_instance. +* \return int. +* +*/ +static int smart_ant_init(struct drx_demod_instance *demod) +{ + struct drxj_data *ext_attr = NULL; + struct i2c_device_addr *dev_addr = NULL; + struct drxuio_cfg uio_cfg = { DRX_UIO1, DRX_UIO_MODE_FIRMWARE_SMA }; + int rc; + u16 data = 0; + + dev_addr = demod->my_i2c_dev_addr; + ext_attr = (struct drxj_data *) demod->my_ext_attr; + + /* Write magic word to enable pdr reg write */ + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, SIO_TOP_COMM_KEY__A, SIO_TOP_COMM_KEY_KEY, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* init smart antenna */ + rc = drxj_dap_read_reg16(dev_addr, SIO_SA_TX_COMMAND__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (ext_attr->smart_ant_inverted) { + rc = drxj_dap_write_reg16(dev_addr, SIO_SA_TX_COMMAND__A, (data | SIO_SA_TX_COMMAND_TX_INVERT__M) | SIO_SA_TX_COMMAND_TX_ENABLE__M, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } else { + rc = drxj_dap_write_reg16(dev_addr, SIO_SA_TX_COMMAND__A, (data & (~SIO_SA_TX_COMMAND_TX_INVERT__M)) | SIO_SA_TX_COMMAND_TX_ENABLE__M, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + /* config SMA_TX pin to smart antenna mode */ + rc = ctrl_set_uio_cfg(demod, &uio_cfg); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, SIO_PDR_SMA_TX_CFG__A, 0x13, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, SIO_PDR_SMA_TX_GPIO_FNC__A, 0x03, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Write magic word to disable pdr reg write */ + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, SIO_TOP_COMM_KEY__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; +rw_error: + return rc; +} + +static int scu_command(struct i2c_device_addr *dev_addr, struct drxjscu_cmd *cmd) +{ + int rc; + u16 cur_cmd = 0; + unsigned long timeout; + + /* Check param */ + if (cmd == NULL) + return -EINVAL; + + /* Wait until SCU command interface is ready to receive command */ + rc = drxj_dap_read_reg16(dev_addr, SCU_RAM_COMMAND__A, &cur_cmd, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (cur_cmd != DRX_SCU_READY) + return -EIO; + + switch (cmd->parameter_len) { + case 5: + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_PARAM_4__A, *(cmd->parameter + 4), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + fallthrough; + case 4: + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_PARAM_3__A, *(cmd->parameter + 3), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + fallthrough; + case 3: + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_PARAM_2__A, *(cmd->parameter + 2), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + fallthrough; + case 2: + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_PARAM_1__A, *(cmd->parameter + 1), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + fallthrough; + case 1: + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_PARAM_0__A, *(cmd->parameter + 0), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + fallthrough; + case 0: + /* do nothing */ + break; + default: + /* this number of parameters is not supported */ + return -EIO; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_COMMAND__A, cmd->command, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Wait until SCU has processed command */ + timeout = jiffies + msecs_to_jiffies(DRXJ_MAX_WAITTIME); + while (time_is_after_jiffies(timeout)) { + rc = drxj_dap_read_reg16(dev_addr, SCU_RAM_COMMAND__A, &cur_cmd, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (cur_cmd == DRX_SCU_READY) + break; + usleep_range(1000, 2000); + } + + if (cur_cmd != DRX_SCU_READY) + return -EIO; + + /* read results */ + if ((cmd->result_len > 0) && (cmd->result != NULL)) { + s16 err; + + switch (cmd->result_len) { + case 4: + rc = drxj_dap_read_reg16(dev_addr, SCU_RAM_PARAM_3__A, cmd->result + 3, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + fallthrough; + case 3: + rc = drxj_dap_read_reg16(dev_addr, SCU_RAM_PARAM_2__A, cmd->result + 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + fallthrough; + case 2: + rc = drxj_dap_read_reg16(dev_addr, SCU_RAM_PARAM_1__A, cmd->result + 1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + fallthrough; + case 1: + rc = drxj_dap_read_reg16(dev_addr, SCU_RAM_PARAM_0__A, cmd->result + 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + fallthrough; + case 0: + /* do nothing */ + break; + default: + /* this number of parameters is not supported */ + return -EIO; + } + + /* Check if an error was reported by SCU */ + err = cmd->result[0]; + + /* check a few fixed error codes */ + if ((err == (s16) SCU_RAM_PARAM_0_RESULT_UNKSTD) + || (err == (s16) SCU_RAM_PARAM_0_RESULT_UNKCMD) + || (err == (s16) SCU_RAM_PARAM_0_RESULT_INVPAR) + || (err == (s16) SCU_RAM_PARAM_0_RESULT_SIZE) + ) { + return -EINVAL; + } + /* here it is assumed that negative means error, and positive no error */ + else if (err < 0) + return -EIO; + else + return 0; + } + + return 0; + +rw_error: + return rc; +} + +/* +* \fn int DRXJ_DAP_SCUAtomicReadWriteBlock() +* \brief Basic access routine for SCU atomic read or write access +* \param dev_addr pointer to i2c dev address +* \param addr destination/source address +* \param datasize size of data buffer in bytes +* \param data pointer to data buffer +* \return int +* \retval 0 Success +* \retval -EIO Timeout, I2C error, illegal bank +* +*/ +#define ADDR_AT_SCU_SPACE(x) ((x - 0x82E000) * 2) +static +int drxj_dap_scu_atomic_read_write_block(struct i2c_device_addr *dev_addr, u32 addr, u16 datasize, /* max 30 bytes because the limit of SCU parameter */ + u8 *data, bool read_flag) +{ + struct drxjscu_cmd scu_cmd; + int rc; + u16 set_param_parameters[18]; + u16 cmd_result[15]; + + /* Parameter check */ + if (!data || !dev_addr || (datasize % 2) || ((datasize / 2) > 16)) + return -EINVAL; + + set_param_parameters[1] = (u16) ADDR_AT_SCU_SPACE(addr); + if (read_flag) { /* read */ + set_param_parameters[0] = ((~(0x0080)) & datasize); + scu_cmd.parameter_len = 2; + scu_cmd.result_len = datasize / 2 + 2; + } else { + int i = 0; + + set_param_parameters[0] = 0x0080 | datasize; + for (i = 0; i < (datasize / 2); i++) { + set_param_parameters[i + 2] = + (data[2 * i] | (data[(2 * i) + 1] << 8)); + } + scu_cmd.parameter_len = datasize / 2 + 2; + scu_cmd.result_len = 1; + } + + scu_cmd.command = + SCU_RAM_COMMAND_STANDARD_TOP | + SCU_RAM_COMMAND_CMD_AUX_SCU_ATOMIC_ACCESS; + scu_cmd.result = cmd_result; + scu_cmd.parameter = set_param_parameters; + rc = scu_command(dev_addr, &scu_cmd); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + if (read_flag) { + int i = 0; + /* read data from buffer */ + for (i = 0; i < (datasize / 2); i++) { + data[2 * i] = (u8) (scu_cmd.result[i + 2] & 0xFF); + data[(2 * i) + 1] = (u8) (scu_cmd.result[i + 2] >> 8); + } + } + + return 0; + +rw_error: + return rc; + +} + +/*============================================================================*/ + +/* +* \fn int DRXJ_DAP_AtomicReadReg16() +* \brief Atomic read of 16 bits words +*/ +static +int drxj_dap_scu_atomic_read_reg16(struct i2c_device_addr *dev_addr, + u32 addr, + u16 *data, u32 flags) +{ + u8 buf[2] = { 0 }; + int rc; + u16 word = 0; + + if (!data) + return -EINVAL; + + rc = drxj_dap_scu_atomic_read_write_block(dev_addr, addr, 2, buf, true); + if (rc < 0) + return rc; + + word = (u16) (buf[0] + (buf[1] << 8)); + + *data = word; + + return rc; +} + +/*============================================================================*/ +/* +* \fn int drxj_dap_scu_atomic_write_reg16() +* \brief Atomic read of 16 bits words +*/ +static +int drxj_dap_scu_atomic_write_reg16(struct i2c_device_addr *dev_addr, + u32 addr, + u16 data, u32 flags) +{ + u8 buf[2]; + int rc; + + buf[0] = (u8) (data & 0xff); + buf[1] = (u8) ((data >> 8) & 0xff); + + rc = drxj_dap_scu_atomic_read_write_block(dev_addr, addr, 2, buf, false); + + return rc; +} + +/* -------------------------------------------------------------------------- */ +/* +* \brief Measure result of ADC synchronisation +* \param demod demod instance +* \param count (returned) count +* \return int. +* \retval 0 Success +* \retval -EIO Failure: I2C error +* +*/ +static int adc_sync_measurement(struct drx_demod_instance *demod, u16 *count) +{ + struct i2c_device_addr *dev_addr = NULL; + int rc; + u16 data = 0; + + dev_addr = demod->my_i2c_dev_addr; + + /* Start measurement */ + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_COMM_EXEC__A, IQM_AF_COMM_EXEC_ACTIVE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_START_LOCK__A, 1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Wait at least 3*128*(1/sysclk) <<< 1 millisec */ + msleep(1); + + *count = 0; + rc = drxj_dap_read_reg16(dev_addr, IQM_AF_PHASE0__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (data == 127) + *count = *count + 1; + rc = drxj_dap_read_reg16(dev_addr, IQM_AF_PHASE1__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (data == 127) + *count = *count + 1; + rc = drxj_dap_read_reg16(dev_addr, IQM_AF_PHASE2__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (data == 127) + *count = *count + 1; + + return 0; +rw_error: + return rc; +} + +/* +* \brief Synchronize analog and digital clock domains +* \param demod demod instance +* \return int. +* \retval 0 Success +* \retval -EIO Failure: I2C error or failure to synchronize +* +* An IQM reset will also reset the results of this synchronization. +* After an IQM reset this routine needs to be called again. +* +*/ + +static int adc_synchronization(struct drx_demod_instance *demod) +{ + struct i2c_device_addr *dev_addr = NULL; + int rc; + u16 count = 0; + + dev_addr = demod->my_i2c_dev_addr; + + rc = adc_sync_measurement(demod, &count); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + if (count == 1) { + /* Try sampling on a different edge */ + u16 clk_neg = 0; + + rc = drxj_dap_read_reg16(dev_addr, IQM_AF_CLKNEG__A, &clk_neg, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + clk_neg ^= IQM_AF_CLKNEG_CLKNEGDATA__M; + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_CLKNEG__A, clk_neg, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = adc_sync_measurement(demod, &count); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + /* TODO: implement fallback scenarios */ + if (count < 2) + return -EIO; + + return 0; +rw_error: + return rc; +} + +/*============================================================================*/ +/*== END AUXILIARY FUNCTIONS ==*/ +/*============================================================================*/ + +/*============================================================================*/ +/*============================================================================*/ +/*== 8VSB & QAM COMMON DATAPATH FUNCTIONS ==*/ +/*============================================================================*/ +/*============================================================================*/ +/* +* \fn int init_agc () +* \brief Initialize AGC for all standards. +* \param demod instance of demodulator. +* \param channel pointer to channel data. +* \return int. +*/ +static int init_agc(struct drx_demod_instance *demod) +{ + struct i2c_device_addr *dev_addr = NULL; + struct drx_common_attr *common_attr = NULL; + struct drxj_data *ext_attr = NULL; + struct drxj_cfg_agc *p_agc_rf_settings = NULL; + struct drxj_cfg_agc *p_agc_if_settings = NULL; + int rc; + u16 ingain_tgt_max = 0; + u16 clp_dir_to = 0; + u16 sns_sum_max = 0; + u16 clp_sum_max = 0; + u16 sns_dir_to = 0; + u16 ki_innergain_min = 0; + u16 agc_ki = 0; + u16 ki_max = 0; + u16 if_iaccu_hi_tgt_min = 0; + u16 data = 0; + u16 agc_ki_dgain = 0; + u16 ki_min = 0; + u16 clp_ctrl_mode = 0; + u16 agc_rf = 0; + u16 agc_if = 0; + + dev_addr = demod->my_i2c_dev_addr; + common_attr = (struct drx_common_attr *) demod->my_common_attr; + ext_attr = (struct drxj_data *) demod->my_ext_attr; + + switch (ext_attr->standard) { + case DRX_STANDARD_8VSB: + clp_sum_max = 1023; + clp_dir_to = (u16) (-9); + sns_sum_max = 1023; + sns_dir_to = (u16) (-9); + ki_innergain_min = (u16) (-32768); + ki_max = 0x032C; + agc_ki_dgain = 0xC; + if_iaccu_hi_tgt_min = 2047; + ki_min = 0x0117; + ingain_tgt_max = 16383; + clp_ctrl_mode = 0; + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_KI_MINGAIN__A, 0x7fff, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_KI_MAXGAIN__A, 0x0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_CLP_SUM__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_CLP_CYCCNT__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_CLP_DIR_WD__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_CLP_DIR_STP__A, 1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_SNS_SUM__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_SNS_CYCCNT__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_SNS_DIR_WD__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_SNS_DIR_STP__A, 1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_INGAIN__A, 1024, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_VSB_AGC_POW_TGT__A, 22600, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_INGAIN_TGT__A, 13200, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + p_agc_if_settings = &(ext_attr->vsb_if_agc_cfg); + p_agc_rf_settings = &(ext_attr->vsb_rf_agc_cfg); + break; +#ifndef DRXJ_VSB_ONLY + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_C: + case DRX_STANDARD_ITU_B: + ingain_tgt_max = 5119; + clp_sum_max = 1023; + clp_dir_to = (u16) (-5); + sns_sum_max = 127; + sns_dir_to = (u16) (-3); + ki_innergain_min = 0; + ki_max = 0x0657; + if_iaccu_hi_tgt_min = 2047; + agc_ki_dgain = 0x7; + ki_min = 0x0117; + clp_ctrl_mode = 0; + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_KI_MINGAIN__A, 0x7fff, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_KI_MAXGAIN__A, 0x0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_CLP_SUM__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_CLP_CYCCNT__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_CLP_DIR_WD__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_CLP_DIR_STP__A, 1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_SNS_SUM__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_SNS_CYCCNT__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_SNS_DIR_WD__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_SNS_DIR_STP__A, 1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + p_agc_if_settings = &(ext_attr->qam_if_agc_cfg); + p_agc_rf_settings = &(ext_attr->qam_rf_agc_cfg); + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_INGAIN_TGT__A, p_agc_if_settings->top, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_read_reg16(dev_addr, SCU_RAM_AGC_KI__A, &agc_ki, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + agc_ki &= 0xf000; + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_KI__A, agc_ki, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; +#endif + default: + return -EINVAL; + } + + /* for new AGC interface */ + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_INGAIN_TGT_MIN__A, p_agc_if_settings->top, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_INGAIN__A, p_agc_if_settings->top, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /* Gain fed from inner to outer AGC */ + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_INGAIN_TGT_MAX__A, ingain_tgt_max, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_IF_IACCU_HI_TGT_MIN__A, if_iaccu_hi_tgt_min, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_IF_IACCU_HI__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /* set to p_agc_settings->top before */ + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_IF_IACCU_LO__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_RF_IACCU_HI__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_RF_IACCU_LO__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_RF_MAX__A, 32767, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_CLP_SUM_MAX__A, clp_sum_max, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_SNS_SUM_MAX__A, sns_sum_max, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_KI_INNERGAIN_MIN__A, ki_innergain_min, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_FAST_SNS_CTRL_DELAY__A, 50, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_KI_CYCLEN__A, 500, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_SNS_CYCLEN__A, 500, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_KI_MAXMINGAIN_TH__A, 20, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_KI_MIN__A, ki_min, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_KI_MAX__A, ki_max, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_KI_RED__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_CLP_SUM_MIN__A, 8, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_CLP_CYCLEN__A, 500, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_CLP_DIR_TO__A, clp_dir_to, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_SNS_SUM_MIN__A, 8, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_SNS_DIR_TO__A, sns_dir_to, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_FAST_CLP_CTRL_DELAY__A, 50, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_CLP_CTRL_MODE__A, clp_ctrl_mode, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + agc_rf = 0x800 + p_agc_rf_settings->cut_off_current; + if (common_attr->tuner_rf_agc_pol == true) + agc_rf = 0x87ff - agc_rf; + + agc_if = 0x800; + if (common_attr->tuner_if_agc_pol == true) + agc_rf = 0x87ff - agc_rf; + + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_AGC_RF__A, agc_rf, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_AGC_IF__A, agc_if, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Set/restore Ki DGAIN factor */ + rc = drxj_dap_read_reg16(dev_addr, SCU_RAM_AGC_KI__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + data &= ~SCU_RAM_AGC_KI_DGAIN__M; + data |= (agc_ki_dgain << SCU_RAM_AGC_KI_DGAIN__B); + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_AGC_KI__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; +rw_error: + return rc; +} + +/* +* \fn int set_frequency () +* \brief Set frequency shift. +* \param demod instance of demodulator. +* \param channel pointer to channel data. +* \param tuner_freq_offset residual frequency from tuner. +* \return int. +*/ +static int +set_frequency(struct drx_demod_instance *demod, + struct drx_channel *channel, s32 tuner_freq_offset) +{ + struct i2c_device_addr *dev_addr = demod->my_i2c_dev_addr; + struct drxj_data *ext_attr = demod->my_ext_attr; + int rc; + s32 sampling_frequency = 0; + s32 frequency_shift = 0; + s32 if_freq_actual = 0; + s32 rf_freq_residual = -1 * tuner_freq_offset; + s32 adc_freq = 0; + s32 intermediate_freq = 0; + u32 iqm_fs_rate_ofs = 0; + bool adc_flip = true; + bool select_pos_image = false; + bool rf_mirror; + bool tuner_mirror; + bool image_to_select; + s32 fm_frequency_shift = 0; + + rf_mirror = (ext_attr->mirror == DRX_MIRROR_YES) ? true : false; + tuner_mirror = demod->my_common_attr->mirror_freq_spect ? false : true; + /* + Program frequency shifter + No need to account for mirroring on RF + */ + switch (ext_attr->standard) { + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_C: + case DRX_STANDARD_PAL_SECAM_LP: + case DRX_STANDARD_8VSB: + select_pos_image = true; + break; + case DRX_STANDARD_FM: + /* After IQM FS sound carrier must appear at 4 Mhz in spect. + Sound carrier is already 3Mhz above centre frequency due + to tuner setting so now add an extra shift of 1MHz... */ + fm_frequency_shift = 1000; + fallthrough; + case DRX_STANDARD_ITU_B: + case DRX_STANDARD_NTSC: + case DRX_STANDARD_PAL_SECAM_BG: + case DRX_STANDARD_PAL_SECAM_DK: + case DRX_STANDARD_PAL_SECAM_I: + case DRX_STANDARD_PAL_SECAM_L: + select_pos_image = false; + break; + default: + return -EINVAL; + } + intermediate_freq = demod->my_common_attr->intermediate_freq; + sampling_frequency = demod->my_common_attr->sys_clock_freq / 3; + if (tuner_mirror) + if_freq_actual = intermediate_freq + rf_freq_residual + fm_frequency_shift; + else + if_freq_actual = intermediate_freq - rf_freq_residual - fm_frequency_shift; + if (if_freq_actual > sampling_frequency / 2) { + /* adc mirrors */ + adc_freq = sampling_frequency - if_freq_actual; + adc_flip = true; + } else { + /* adc doesn't mirror */ + adc_freq = if_freq_actual; + adc_flip = false; + } + + frequency_shift = adc_freq; + image_to_select = + (bool) (rf_mirror ^ tuner_mirror ^ adc_flip ^ select_pos_image); + iqm_fs_rate_ofs = frac28(frequency_shift, sampling_frequency); + + if (image_to_select) + iqm_fs_rate_ofs = ~iqm_fs_rate_ofs + 1; + + /* Program frequency shifter with tuner offset compensation */ + /* frequency_shift += tuner_freq_offset; TODO */ + rc = drxdap_fasi_write_reg32(dev_addr, IQM_FS_RATE_OFS_LO__A, iqm_fs_rate_ofs, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + ext_attr->iqm_fs_rate_ofs = iqm_fs_rate_ofs; + ext_attr->pos_image = (bool) (rf_mirror ^ tuner_mirror ^ select_pos_image); + + return 0; +rw_error: + return rc; +} + +/* +* \fn int get_acc_pkt_err() +* \brief Retrieve signal strength for VSB and QAM. +* \param demod Pointer to demod instance +* \param packet_err Pointer to packet error +* \return int. +* \retval 0 sig_strength contains valid data. +* \retval -EINVAL sig_strength is NULL. +* \retval -EIO Erroneous data, sig_strength contains invalid data. +*/ +#ifdef DRXJ_SIGNAL_ACCUM_ERR +static int get_acc_pkt_err(struct drx_demod_instance *demod, u16 *packet_err) +{ + int rc; + static u16 pkt_err; + static u16 last_pkt_err; + u16 data = 0; + struct drxj_data *ext_attr = NULL; + struct i2c_device_addr *dev_addr = NULL; + + ext_attr = (struct drxj_data *) demod->my_ext_attr; + dev_addr = demod->my_i2c_dev_addr; + + rc = drxj_dap_read_reg16(dev_addr, SCU_RAM_FEC_ACCUM_PKT_FAILURES__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (ext_attr->reset_pkt_err_acc) { + last_pkt_err = data; + pkt_err = 0; + ext_attr->reset_pkt_err_acc = false; + } + + if (data < last_pkt_err) { + pkt_err += 0xffff - last_pkt_err; + pkt_err += data; + } else { + pkt_err += (data - last_pkt_err); + } + *packet_err = pkt_err; + last_pkt_err = data; + + return 0; +rw_error: + return rc; +} +#endif + + +/*============================================================================*/ + +/* +* \fn int set_agc_rf () +* \brief Configure RF AGC +* \param demod instance of demodulator. +* \param agc_settings AGC configuration structure +* \return int. +*/ +static int +set_agc_rf(struct drx_demod_instance *demod, struct drxj_cfg_agc *agc_settings, bool atomic) +{ + struct i2c_device_addr *dev_addr = NULL; + struct drxj_data *ext_attr = NULL; + struct drxj_cfg_agc *p_agc_settings = NULL; + struct drx_common_attr *common_attr = NULL; + int rc; + drx_write_reg16func_t scu_wr16 = NULL; + drx_read_reg16func_t scu_rr16 = NULL; + + common_attr = (struct drx_common_attr *) demod->my_common_attr; + dev_addr = demod->my_i2c_dev_addr; + ext_attr = (struct drxj_data *) demod->my_ext_attr; + + if (atomic) { + scu_rr16 = drxj_dap_scu_atomic_read_reg16; + scu_wr16 = drxj_dap_scu_atomic_write_reg16; + } else { + scu_rr16 = drxj_dap_read_reg16; + scu_wr16 = drxj_dap_write_reg16; + } + + /* Configure AGC only if standard is currently active */ + if ((ext_attr->standard == agc_settings->standard) || + (DRXJ_ISQAMSTD(ext_attr->standard) && + DRXJ_ISQAMSTD(agc_settings->standard)) || + (DRXJ_ISATVSTD(ext_attr->standard) && + DRXJ_ISATVSTD(agc_settings->standard))) { + u16 data = 0; + + switch (agc_settings->ctrl_mode) { + case DRX_AGC_CTRL_AUTO: + + /* Enable RF AGC DAC */ + rc = drxj_dap_read_reg16(dev_addr, IQM_AF_STDBY__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + data |= IQM_AF_STDBY_STDBY_TAGC_RF_A2_ACTIVE; + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_STDBY__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Enable SCU RF AGC loop */ + rc = (*scu_rr16)(dev_addr, SCU_RAM_AGC_KI__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + data &= ~SCU_RAM_AGC_KI_RF__M; + if (ext_attr->standard == DRX_STANDARD_8VSB) + data |= (2 << SCU_RAM_AGC_KI_RF__B); + else if (DRXJ_ISQAMSTD(ext_attr->standard)) + data |= (5 << SCU_RAM_AGC_KI_RF__B); + else + data |= (4 << SCU_RAM_AGC_KI_RF__B); + + if (common_attr->tuner_rf_agc_pol) + data |= SCU_RAM_AGC_KI_INV_RF_POL__M; + else + data &= ~SCU_RAM_AGC_KI_INV_RF_POL__M; + rc = (*scu_wr16)(dev_addr, SCU_RAM_AGC_KI__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Set speed ( using complementary reduction value ) */ + rc = (*scu_rr16)(dev_addr, SCU_RAM_AGC_KI_RED__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + data &= ~SCU_RAM_AGC_KI_RED_RAGC_RED__M; + rc = (*scu_wr16)(dev_addr, SCU_RAM_AGC_KI_RED__A, (~(agc_settings->speed << SCU_RAM_AGC_KI_RED_RAGC_RED__B) & SCU_RAM_AGC_KI_RED_RAGC_RED__M) | data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + if (agc_settings->standard == DRX_STANDARD_8VSB) + p_agc_settings = &(ext_attr->vsb_if_agc_cfg); + else if (DRXJ_ISQAMSTD(agc_settings->standard)) + p_agc_settings = &(ext_attr->qam_if_agc_cfg); + else if (DRXJ_ISATVSTD(agc_settings->standard)) + p_agc_settings = &(ext_attr->atv_if_agc_cfg); + else + return -EINVAL; + + /* Set TOP, only if IF-AGC is in AUTO mode */ + if (p_agc_settings->ctrl_mode == DRX_AGC_CTRL_AUTO) { + rc = (*scu_wr16)(dev_addr, SCU_RAM_AGC_IF_IACCU_HI_TGT_MAX__A, agc_settings->top, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = (*scu_wr16)(dev_addr, SCU_RAM_AGC_IF_IACCU_HI_TGT__A, agc_settings->top, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + /* Cut-Off current */ + rc = (*scu_wr16)(dev_addr, SCU_RAM_AGC_RF_IACCU_HI_CO__A, agc_settings->cut_off_current, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + case DRX_AGC_CTRL_USER: + + /* Enable RF AGC DAC */ + rc = drxj_dap_read_reg16(dev_addr, IQM_AF_STDBY__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + data |= IQM_AF_STDBY_STDBY_TAGC_RF_A2_ACTIVE; + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_STDBY__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Disable SCU RF AGC loop */ + rc = (*scu_rr16)(dev_addr, SCU_RAM_AGC_KI__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + data &= ~SCU_RAM_AGC_KI_RF__M; + if (common_attr->tuner_rf_agc_pol) + data |= SCU_RAM_AGC_KI_INV_RF_POL__M; + else + data &= ~SCU_RAM_AGC_KI_INV_RF_POL__M; + rc = (*scu_wr16)(dev_addr, SCU_RAM_AGC_KI__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Write value to output pin */ + rc = (*scu_wr16)(dev_addr, SCU_RAM_AGC_RF_IACCU_HI__A, agc_settings->output_level, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + case DRX_AGC_CTRL_OFF: + + /* Disable RF AGC DAC */ + rc = drxj_dap_read_reg16(dev_addr, IQM_AF_STDBY__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + data &= (~IQM_AF_STDBY_STDBY_TAGC_RF_A2_ACTIVE); + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_STDBY__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Disable SCU RF AGC loop */ + rc = (*scu_rr16)(dev_addr, SCU_RAM_AGC_KI__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + data &= ~SCU_RAM_AGC_KI_RF__M; + rc = (*scu_wr16)(dev_addr, SCU_RAM_AGC_KI__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + default: + return -EINVAL; + } /* switch ( agcsettings->ctrl_mode ) */ + } + + /* Store rf agc settings */ + switch (agc_settings->standard) { + case DRX_STANDARD_8VSB: + ext_attr->vsb_rf_agc_cfg = *agc_settings; + break; +#ifndef DRXJ_VSB_ONLY + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_B: + case DRX_STANDARD_ITU_C: + ext_attr->qam_rf_agc_cfg = *agc_settings; + break; +#endif + default: + return -EIO; + } + + return 0; +rw_error: + return rc; +} + +/* +* \fn int set_agc_if () +* \brief Configure If AGC +* \param demod instance of demodulator. +* \param agc_settings AGC configuration structure +* \return int. +*/ +static int +set_agc_if(struct drx_demod_instance *demod, struct drxj_cfg_agc *agc_settings, bool atomic) +{ + struct i2c_device_addr *dev_addr = NULL; + struct drxj_data *ext_attr = NULL; + struct drxj_cfg_agc *p_agc_settings = NULL; + struct drx_common_attr *common_attr = NULL; + drx_write_reg16func_t scu_wr16 = NULL; + drx_read_reg16func_t scu_rr16 = NULL; + int rc; + + common_attr = (struct drx_common_attr *) demod->my_common_attr; + dev_addr = demod->my_i2c_dev_addr; + ext_attr = (struct drxj_data *) demod->my_ext_attr; + + if (atomic) { + scu_rr16 = drxj_dap_scu_atomic_read_reg16; + scu_wr16 = drxj_dap_scu_atomic_write_reg16; + } else { + scu_rr16 = drxj_dap_read_reg16; + scu_wr16 = drxj_dap_write_reg16; + } + + /* Configure AGC only if standard is currently active */ + if ((ext_attr->standard == agc_settings->standard) || + (DRXJ_ISQAMSTD(ext_attr->standard) && + DRXJ_ISQAMSTD(agc_settings->standard)) || + (DRXJ_ISATVSTD(ext_attr->standard) && + DRXJ_ISATVSTD(agc_settings->standard))) { + u16 data = 0; + + switch (agc_settings->ctrl_mode) { + case DRX_AGC_CTRL_AUTO: + /* Enable IF AGC DAC */ + rc = drxj_dap_read_reg16(dev_addr, IQM_AF_STDBY__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + data |= IQM_AF_STDBY_STDBY_TAGC_IF_A2_ACTIVE; + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_STDBY__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Enable SCU IF AGC loop */ + rc = (*scu_rr16)(dev_addr, SCU_RAM_AGC_KI__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + data &= ~SCU_RAM_AGC_KI_IF_AGC_DISABLE__M; + data &= ~SCU_RAM_AGC_KI_IF__M; + if (ext_attr->standard == DRX_STANDARD_8VSB) + data |= (3 << SCU_RAM_AGC_KI_IF__B); + else if (DRXJ_ISQAMSTD(ext_attr->standard)) + data |= (6 << SCU_RAM_AGC_KI_IF__B); + else + data |= (5 << SCU_RAM_AGC_KI_IF__B); + + if (common_attr->tuner_if_agc_pol) + data |= SCU_RAM_AGC_KI_INV_IF_POL__M; + else + data &= ~SCU_RAM_AGC_KI_INV_IF_POL__M; + rc = (*scu_wr16)(dev_addr, SCU_RAM_AGC_KI__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Set speed (using complementary reduction value) */ + rc = (*scu_rr16)(dev_addr, SCU_RAM_AGC_KI_RED__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + data &= ~SCU_RAM_AGC_KI_RED_IAGC_RED__M; + rc = (*scu_wr16) (dev_addr, SCU_RAM_AGC_KI_RED__A, (~(agc_settings->speed << SCU_RAM_AGC_KI_RED_IAGC_RED__B) & SCU_RAM_AGC_KI_RED_IAGC_RED__M) | data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + if (agc_settings->standard == DRX_STANDARD_8VSB) + p_agc_settings = &(ext_attr->vsb_rf_agc_cfg); + else if (DRXJ_ISQAMSTD(agc_settings->standard)) + p_agc_settings = &(ext_attr->qam_rf_agc_cfg); + else if (DRXJ_ISATVSTD(agc_settings->standard)) + p_agc_settings = &(ext_attr->atv_rf_agc_cfg); + else + return -EINVAL; + + /* Restore TOP */ + if (p_agc_settings->ctrl_mode == DRX_AGC_CTRL_AUTO) { + rc = (*scu_wr16)(dev_addr, SCU_RAM_AGC_IF_IACCU_HI_TGT_MAX__A, p_agc_settings->top, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = (*scu_wr16)(dev_addr, SCU_RAM_AGC_IF_IACCU_HI_TGT__A, p_agc_settings->top, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } else { + rc = (*scu_wr16)(dev_addr, SCU_RAM_AGC_IF_IACCU_HI_TGT_MAX__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = (*scu_wr16)(dev_addr, SCU_RAM_AGC_IF_IACCU_HI_TGT__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + break; + + case DRX_AGC_CTRL_USER: + + /* Enable IF AGC DAC */ + rc = drxj_dap_read_reg16(dev_addr, IQM_AF_STDBY__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + data |= IQM_AF_STDBY_STDBY_TAGC_IF_A2_ACTIVE; + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_STDBY__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Disable SCU IF AGC loop */ + rc = (*scu_rr16)(dev_addr, SCU_RAM_AGC_KI__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + data &= ~SCU_RAM_AGC_KI_IF_AGC_DISABLE__M; + data |= SCU_RAM_AGC_KI_IF_AGC_DISABLE__M; + if (common_attr->tuner_if_agc_pol) + data |= SCU_RAM_AGC_KI_INV_IF_POL__M; + else + data &= ~SCU_RAM_AGC_KI_INV_IF_POL__M; + rc = (*scu_wr16)(dev_addr, SCU_RAM_AGC_KI__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Write value to output pin */ + rc = (*scu_wr16)(dev_addr, SCU_RAM_AGC_IF_IACCU_HI_TGT_MAX__A, agc_settings->output_level, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + + case DRX_AGC_CTRL_OFF: + + /* Disable If AGC DAC */ + rc = drxj_dap_read_reg16(dev_addr, IQM_AF_STDBY__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + data &= (~IQM_AF_STDBY_STDBY_TAGC_IF_A2_ACTIVE); + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_STDBY__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Disable SCU IF AGC loop */ + rc = (*scu_rr16)(dev_addr, SCU_RAM_AGC_KI__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + data &= ~SCU_RAM_AGC_KI_IF_AGC_DISABLE__M; + data |= SCU_RAM_AGC_KI_IF_AGC_DISABLE__M; + rc = (*scu_wr16)(dev_addr, SCU_RAM_AGC_KI__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + default: + return -EINVAL; + } /* switch ( agcsettings->ctrl_mode ) */ + + /* always set the top to support configurations without if-loop */ + rc = (*scu_wr16) (dev_addr, SCU_RAM_AGC_INGAIN_TGT_MIN__A, agc_settings->top, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + /* Store if agc settings */ + switch (agc_settings->standard) { + case DRX_STANDARD_8VSB: + ext_attr->vsb_if_agc_cfg = *agc_settings; + break; +#ifndef DRXJ_VSB_ONLY + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_B: + case DRX_STANDARD_ITU_C: + ext_attr->qam_if_agc_cfg = *agc_settings; + break; +#endif + default: + return -EIO; + } + + return 0; +rw_error: + return rc; +} + +/* +* \fn int set_iqm_af () +* \brief Configure IQM AF registers +* \param demod instance of demodulator. +* \param active +* \return int. +*/ +static int set_iqm_af(struct drx_demod_instance *demod, bool active) +{ + u16 data = 0; + struct i2c_device_addr *dev_addr = NULL; + int rc; + + dev_addr = demod->my_i2c_dev_addr; + + /* Configure IQM */ + rc = drxj_dap_read_reg16(dev_addr, IQM_AF_STDBY__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (!active) + data &= ((~IQM_AF_STDBY_STDBY_ADC_A2_ACTIVE) & (~IQM_AF_STDBY_STDBY_AMP_A2_ACTIVE) & (~IQM_AF_STDBY_STDBY_PD_A2_ACTIVE) & (~IQM_AF_STDBY_STDBY_TAGC_IF_A2_ACTIVE) & (~IQM_AF_STDBY_STDBY_TAGC_RF_A2_ACTIVE)); + else + data |= (IQM_AF_STDBY_STDBY_ADC_A2_ACTIVE | IQM_AF_STDBY_STDBY_AMP_A2_ACTIVE | IQM_AF_STDBY_STDBY_PD_A2_ACTIVE | IQM_AF_STDBY_STDBY_TAGC_IF_A2_ACTIVE | IQM_AF_STDBY_STDBY_TAGC_RF_A2_ACTIVE); + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_STDBY__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; +rw_error: + return rc; +} + +/*============================================================================*/ +/*== END 8VSB & QAM COMMON DATAPATH FUNCTIONS ==*/ +/*============================================================================*/ + +/*============================================================================*/ +/*============================================================================*/ +/*== 8VSB DATAPATH FUNCTIONS ==*/ +/*============================================================================*/ +/*============================================================================*/ + +/* +* \fn int power_down_vsb () +* \brief Powr down QAM related blocks. +* \param demod instance of demodulator. +* \param channel pointer to channel data. +* \return int. +*/ +static int power_down_vsb(struct drx_demod_instance *demod, bool primary) +{ + struct i2c_device_addr *dev_addr = demod->my_i2c_dev_addr; + struct drxjscu_cmd cmd_scu = { /* command */ 0, + /* parameter_len */ 0, + /* result_len */ 0, + /* *parameter */ NULL, + /* *result */ NULL + }; + struct drx_cfg_mpeg_output cfg_mpeg_output; + int rc; + u16 cmd_result = 0; + + /* + STOP demodulator + reset of FEC and VSB HW + */ + cmd_scu.command = SCU_RAM_COMMAND_STANDARD_VSB | + SCU_RAM_COMMAND_CMD_DEMOD_STOP; + cmd_scu.parameter_len = 0; + cmd_scu.result_len = 1; + cmd_scu.parameter = NULL; + cmd_scu.result = &cmd_result; + rc = scu_command(dev_addr, &cmd_scu); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* stop all comm_exec */ + rc = drxj_dap_write_reg16(dev_addr, FEC_COMM_EXEC__A, FEC_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, VSB_COMM_EXEC__A, VSB_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (primary) { + rc = drxj_dap_write_reg16(dev_addr, IQM_COMM_EXEC__A, IQM_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = set_iqm_af(demod, false); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } else { + rc = drxj_dap_write_reg16(dev_addr, IQM_FS_COMM_EXEC__A, IQM_FS_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_FD_COMM_EXEC__A, IQM_FD_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_RC_COMM_EXEC__A, IQM_RC_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_RT_COMM_EXEC__A, IQM_RT_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_CF_COMM_EXEC__A, IQM_CF_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + cfg_mpeg_output.enable_mpeg_output = false; + rc = ctrl_set_cfg_mpeg_output(demod, &cfg_mpeg_output); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; +rw_error: + return rc; +} + +/* +* \fn int set_vsb_leak_n_gain () +* \brief Set ATSC demod. +* \param demod instance of demodulator. +* \return int. +*/ +static int set_vsb_leak_n_gain(struct drx_demod_instance *demod) +{ + struct i2c_device_addr *dev_addr = NULL; + int rc; + + static const u8 vsb_ffe_leak_gain_ram0[] = { + DRXJ_16TO8(0x8), /* FFETRAINLKRATIO1 */ + DRXJ_16TO8(0x8), /* FFETRAINLKRATIO2 */ + DRXJ_16TO8(0x8), /* FFETRAINLKRATIO3 */ + DRXJ_16TO8(0xf), /* FFETRAINLKRATIO4 */ + DRXJ_16TO8(0xf), /* FFETRAINLKRATIO5 */ + DRXJ_16TO8(0xf), /* FFETRAINLKRATIO6 */ + DRXJ_16TO8(0xf), /* FFETRAINLKRATIO7 */ + DRXJ_16TO8(0xf), /* FFETRAINLKRATIO8 */ + DRXJ_16TO8(0xf), /* FFETRAINLKRATIO9 */ + DRXJ_16TO8(0x8), /* FFETRAINLKRATIO10 */ + DRXJ_16TO8(0x8), /* FFETRAINLKRATIO11 */ + DRXJ_16TO8(0x8), /* FFETRAINLKRATIO12 */ + DRXJ_16TO8(0x10), /* FFERCA1TRAINLKRATIO1 */ + DRXJ_16TO8(0x10), /* FFERCA1TRAINLKRATIO2 */ + DRXJ_16TO8(0x10), /* FFERCA1TRAINLKRATIO3 */ + DRXJ_16TO8(0x20), /* FFERCA1TRAINLKRATIO4 */ + DRXJ_16TO8(0x20), /* FFERCA1TRAINLKRATIO5 */ + DRXJ_16TO8(0x20), /* FFERCA1TRAINLKRATIO6 */ + DRXJ_16TO8(0x20), /* FFERCA1TRAINLKRATIO7 */ + DRXJ_16TO8(0x20), /* FFERCA1TRAINLKRATIO8 */ + DRXJ_16TO8(0x20), /* FFERCA1TRAINLKRATIO9 */ + DRXJ_16TO8(0x10), /* FFERCA1TRAINLKRATIO10 */ + DRXJ_16TO8(0x10), /* FFERCA1TRAINLKRATIO11 */ + DRXJ_16TO8(0x10), /* FFERCA1TRAINLKRATIO12 */ + DRXJ_16TO8(0x10), /* FFERCA1DATALKRATIO1 */ + DRXJ_16TO8(0x10), /* FFERCA1DATALKRATIO2 */ + DRXJ_16TO8(0x10), /* FFERCA1DATALKRATIO3 */ + DRXJ_16TO8(0x20), /* FFERCA1DATALKRATIO4 */ + DRXJ_16TO8(0x20), /* FFERCA1DATALKRATIO5 */ + DRXJ_16TO8(0x20), /* FFERCA1DATALKRATIO6 */ + DRXJ_16TO8(0x20), /* FFERCA1DATALKRATIO7 */ + DRXJ_16TO8(0x20), /* FFERCA1DATALKRATIO8 */ + DRXJ_16TO8(0x20), /* FFERCA1DATALKRATIO9 */ + DRXJ_16TO8(0x10), /* FFERCA1DATALKRATIO10 */ + DRXJ_16TO8(0x10), /* FFERCA1DATALKRATIO11 */ + DRXJ_16TO8(0x10), /* FFERCA1DATALKRATIO12 */ + DRXJ_16TO8(0x10), /* FFERCA2TRAINLKRATIO1 */ + DRXJ_16TO8(0x10), /* FFERCA2TRAINLKRATIO2 */ + DRXJ_16TO8(0x10), /* FFERCA2TRAINLKRATIO3 */ + DRXJ_16TO8(0x20), /* FFERCA2TRAINLKRATIO4 */ + DRXJ_16TO8(0x20), /* FFERCA2TRAINLKRATIO5 */ + DRXJ_16TO8(0x20), /* FFERCA2TRAINLKRATIO6 */ + DRXJ_16TO8(0x20), /* FFERCA2TRAINLKRATIO7 */ + DRXJ_16TO8(0x20), /* FFERCA2TRAINLKRATIO8 */ + DRXJ_16TO8(0x20), /* FFERCA2TRAINLKRATIO9 */ + DRXJ_16TO8(0x10), /* FFERCA2TRAINLKRATIO10 */ + DRXJ_16TO8(0x10), /* FFERCA2TRAINLKRATIO11 */ + DRXJ_16TO8(0x10), /* FFERCA2TRAINLKRATIO12 */ + DRXJ_16TO8(0x10), /* FFERCA2DATALKRATIO1 */ + DRXJ_16TO8(0x10), /* FFERCA2DATALKRATIO2 */ + DRXJ_16TO8(0x10), /* FFERCA2DATALKRATIO3 */ + DRXJ_16TO8(0x20), /* FFERCA2DATALKRATIO4 */ + DRXJ_16TO8(0x20), /* FFERCA2DATALKRATIO5 */ + DRXJ_16TO8(0x20), /* FFERCA2DATALKRATIO6 */ + DRXJ_16TO8(0x20), /* FFERCA2DATALKRATIO7 */ + DRXJ_16TO8(0x20), /* FFERCA2DATALKRATIO8 */ + DRXJ_16TO8(0x20), /* FFERCA2DATALKRATIO9 */ + DRXJ_16TO8(0x10), /* FFERCA2DATALKRATIO10 */ + DRXJ_16TO8(0x10), /* FFERCA2DATALKRATIO11 */ + DRXJ_16TO8(0x10), /* FFERCA2DATALKRATIO12 */ + DRXJ_16TO8(0x07), /* FFEDDM1TRAINLKRATIO1 */ + DRXJ_16TO8(0x07), /* FFEDDM1TRAINLKRATIO2 */ + DRXJ_16TO8(0x07), /* FFEDDM1TRAINLKRATIO3 */ + DRXJ_16TO8(0x0e), /* FFEDDM1TRAINLKRATIO4 */ + DRXJ_16TO8(0x0e), /* FFEDDM1TRAINLKRATIO5 */ + DRXJ_16TO8(0x0e), /* FFEDDM1TRAINLKRATIO6 */ + DRXJ_16TO8(0x0e), /* FFEDDM1TRAINLKRATIO7 */ + DRXJ_16TO8(0x0e), /* FFEDDM1TRAINLKRATIO8 */ + DRXJ_16TO8(0x0e), /* FFEDDM1TRAINLKRATIO9 */ + DRXJ_16TO8(0x07), /* FFEDDM1TRAINLKRATIO10 */ + DRXJ_16TO8(0x07), /* FFEDDM1TRAINLKRATIO11 */ + DRXJ_16TO8(0x07), /* FFEDDM1TRAINLKRATIO12 */ + DRXJ_16TO8(0x07), /* FFEDDM1DATALKRATIO1 */ + DRXJ_16TO8(0x07), /* FFEDDM1DATALKRATIO2 */ + DRXJ_16TO8(0x07), /* FFEDDM1DATALKRATIO3 */ + DRXJ_16TO8(0x0e), /* FFEDDM1DATALKRATIO4 */ + DRXJ_16TO8(0x0e), /* FFEDDM1DATALKRATIO5 */ + DRXJ_16TO8(0x0e), /* FFEDDM1DATALKRATIO6 */ + DRXJ_16TO8(0x0e), /* FFEDDM1DATALKRATIO7 */ + DRXJ_16TO8(0x0e), /* FFEDDM1DATALKRATIO8 */ + DRXJ_16TO8(0x0e), /* FFEDDM1DATALKRATIO9 */ + DRXJ_16TO8(0x07), /* FFEDDM1DATALKRATIO10 */ + DRXJ_16TO8(0x07), /* FFEDDM1DATALKRATIO11 */ + DRXJ_16TO8(0x07), /* FFEDDM1DATALKRATIO12 */ + DRXJ_16TO8(0x06), /* FFEDDM2TRAINLKRATIO1 */ + DRXJ_16TO8(0x06), /* FFEDDM2TRAINLKRATIO2 */ + DRXJ_16TO8(0x06), /* FFEDDM2TRAINLKRATIO3 */ + DRXJ_16TO8(0x0c), /* FFEDDM2TRAINLKRATIO4 */ + DRXJ_16TO8(0x0c), /* FFEDDM2TRAINLKRATIO5 */ + DRXJ_16TO8(0x0c), /* FFEDDM2TRAINLKRATIO6 */ + DRXJ_16TO8(0x0c), /* FFEDDM2TRAINLKRATIO7 */ + DRXJ_16TO8(0x0c), /* FFEDDM2TRAINLKRATIO8 */ + DRXJ_16TO8(0x0c), /* FFEDDM2TRAINLKRATIO9 */ + DRXJ_16TO8(0x06), /* FFEDDM2TRAINLKRATIO10 */ + DRXJ_16TO8(0x06), /* FFEDDM2TRAINLKRATIO11 */ + DRXJ_16TO8(0x06), /* FFEDDM2TRAINLKRATIO12 */ + DRXJ_16TO8(0x06), /* FFEDDM2DATALKRATIO1 */ + DRXJ_16TO8(0x06), /* FFEDDM2DATALKRATIO2 */ + DRXJ_16TO8(0x06), /* FFEDDM2DATALKRATIO3 */ + DRXJ_16TO8(0x0c), /* FFEDDM2DATALKRATIO4 */ + DRXJ_16TO8(0x0c), /* FFEDDM2DATALKRATIO5 */ + DRXJ_16TO8(0x0c), /* FFEDDM2DATALKRATIO6 */ + DRXJ_16TO8(0x0c), /* FFEDDM2DATALKRATIO7 */ + DRXJ_16TO8(0x0c), /* FFEDDM2DATALKRATIO8 */ + DRXJ_16TO8(0x0c), /* FFEDDM2DATALKRATIO9 */ + DRXJ_16TO8(0x06), /* FFEDDM2DATALKRATIO10 */ + DRXJ_16TO8(0x06), /* FFEDDM2DATALKRATIO11 */ + DRXJ_16TO8(0x06), /* FFEDDM2DATALKRATIO12 */ + DRXJ_16TO8(0x2020), /* FIRTRAINGAIN1 */ + DRXJ_16TO8(0x2020), /* FIRTRAINGAIN2 */ + DRXJ_16TO8(0x2020), /* FIRTRAINGAIN3 */ + DRXJ_16TO8(0x4040), /* FIRTRAINGAIN4 */ + DRXJ_16TO8(0x4040), /* FIRTRAINGAIN5 */ + DRXJ_16TO8(0x4040), /* FIRTRAINGAIN6 */ + DRXJ_16TO8(0x4040), /* FIRTRAINGAIN7 */ + DRXJ_16TO8(0x4040), /* FIRTRAINGAIN8 */ + DRXJ_16TO8(0x4040), /* FIRTRAINGAIN9 */ + DRXJ_16TO8(0x2020), /* FIRTRAINGAIN10 */ + DRXJ_16TO8(0x2020), /* FIRTRAINGAIN11 */ + DRXJ_16TO8(0x2020), /* FIRTRAINGAIN12 */ + DRXJ_16TO8(0x0808), /* FIRRCA1GAIN1 */ + DRXJ_16TO8(0x0808), /* FIRRCA1GAIN2 */ + DRXJ_16TO8(0x0808), /* FIRRCA1GAIN3 */ + DRXJ_16TO8(0x1010), /* FIRRCA1GAIN4 */ + DRXJ_16TO8(0x1010), /* FIRRCA1GAIN5 */ + DRXJ_16TO8(0x1010), /* FIRRCA1GAIN6 */ + DRXJ_16TO8(0x1010), /* FIRRCA1GAIN7 */ + DRXJ_16TO8(0x1010) /* FIRRCA1GAIN8 */ + }; + + static const u8 vsb_ffe_leak_gain_ram1[] = { + DRXJ_16TO8(0x1010), /* FIRRCA1GAIN9 */ + DRXJ_16TO8(0x0808), /* FIRRCA1GAIN10 */ + DRXJ_16TO8(0x0808), /* FIRRCA1GAIN11 */ + DRXJ_16TO8(0x0808), /* FIRRCA1GAIN12 */ + DRXJ_16TO8(0x0808), /* FIRRCA2GAIN1 */ + DRXJ_16TO8(0x0808), /* FIRRCA2GAIN2 */ + DRXJ_16TO8(0x0808), /* FIRRCA2GAIN3 */ + DRXJ_16TO8(0x1010), /* FIRRCA2GAIN4 */ + DRXJ_16TO8(0x1010), /* FIRRCA2GAIN5 */ + DRXJ_16TO8(0x1010), /* FIRRCA2GAIN6 */ + DRXJ_16TO8(0x1010), /* FIRRCA2GAIN7 */ + DRXJ_16TO8(0x1010), /* FIRRCA2GAIN8 */ + DRXJ_16TO8(0x1010), /* FIRRCA2GAIN9 */ + DRXJ_16TO8(0x0808), /* FIRRCA2GAIN10 */ + DRXJ_16TO8(0x0808), /* FIRRCA2GAIN11 */ + DRXJ_16TO8(0x0808), /* FIRRCA2GAIN12 */ + DRXJ_16TO8(0x0303), /* FIRDDM1GAIN1 */ + DRXJ_16TO8(0x0303), /* FIRDDM1GAIN2 */ + DRXJ_16TO8(0x0303), /* FIRDDM1GAIN3 */ + DRXJ_16TO8(0x0606), /* FIRDDM1GAIN4 */ + DRXJ_16TO8(0x0606), /* FIRDDM1GAIN5 */ + DRXJ_16TO8(0x0606), /* FIRDDM1GAIN6 */ + DRXJ_16TO8(0x0606), /* FIRDDM1GAIN7 */ + DRXJ_16TO8(0x0606), /* FIRDDM1GAIN8 */ + DRXJ_16TO8(0x0606), /* FIRDDM1GAIN9 */ + DRXJ_16TO8(0x0303), /* FIRDDM1GAIN10 */ + DRXJ_16TO8(0x0303), /* FIRDDM1GAIN11 */ + DRXJ_16TO8(0x0303), /* FIRDDM1GAIN12 */ + DRXJ_16TO8(0x0303), /* FIRDDM2GAIN1 */ + DRXJ_16TO8(0x0303), /* FIRDDM2GAIN2 */ + DRXJ_16TO8(0x0303), /* FIRDDM2GAIN3 */ + DRXJ_16TO8(0x0505), /* FIRDDM2GAIN4 */ + DRXJ_16TO8(0x0505), /* FIRDDM2GAIN5 */ + DRXJ_16TO8(0x0505), /* FIRDDM2GAIN6 */ + DRXJ_16TO8(0x0505), /* FIRDDM2GAIN7 */ + DRXJ_16TO8(0x0505), /* FIRDDM2GAIN8 */ + DRXJ_16TO8(0x0505), /* FIRDDM2GAIN9 */ + DRXJ_16TO8(0x0303), /* FIRDDM2GAIN10 */ + DRXJ_16TO8(0x0303), /* FIRDDM2GAIN11 */ + DRXJ_16TO8(0x0303), /* FIRDDM2GAIN12 */ + DRXJ_16TO8(0x001f), /* DFETRAINLKRATIO */ + DRXJ_16TO8(0x01ff), /* DFERCA1TRAINLKRATIO */ + DRXJ_16TO8(0x01ff), /* DFERCA1DATALKRATIO */ + DRXJ_16TO8(0x004f), /* DFERCA2TRAINLKRATIO */ + DRXJ_16TO8(0x004f), /* DFERCA2DATALKRATIO */ + DRXJ_16TO8(0x01ff), /* DFEDDM1TRAINLKRATIO */ + DRXJ_16TO8(0x01ff), /* DFEDDM1DATALKRATIO */ + DRXJ_16TO8(0x0352), /* DFEDDM2TRAINLKRATIO */ + DRXJ_16TO8(0x0352), /* DFEDDM2DATALKRATIO */ + DRXJ_16TO8(0x0000), /* DFETRAINGAIN */ + DRXJ_16TO8(0x2020), /* DFERCA1GAIN */ + DRXJ_16TO8(0x1010), /* DFERCA2GAIN */ + DRXJ_16TO8(0x1818), /* DFEDDM1GAIN */ + DRXJ_16TO8(0x1212) /* DFEDDM2GAIN */ + }; + + dev_addr = demod->my_i2c_dev_addr; + rc = drxdap_fasi_write_block(dev_addr, VSB_SYSCTRL_RAM0_FFETRAINLKRATIO1__A, sizeof(vsb_ffe_leak_gain_ram0), ((u8 *)vsb_ffe_leak_gain_ram0), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxdap_fasi_write_block(dev_addr, VSB_SYSCTRL_RAM1_FIRRCA1GAIN9__A, sizeof(vsb_ffe_leak_gain_ram1), ((u8 *)vsb_ffe_leak_gain_ram1), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; +rw_error: + return rc; +} + +/* +* \fn int set_vsb() +* \brief Set 8VSB demod. +* \param demod instance of demodulator. +* \return int. +* +*/ +static int set_vsb(struct drx_demod_instance *demod) +{ + struct i2c_device_addr *dev_addr = NULL; + int rc; + struct drx_common_attr *common_attr = NULL; + struct drxjscu_cmd cmd_scu; + struct drxj_data *ext_attr = NULL; + u16 cmd_result = 0; + u16 cmd_param = 0; + static const u8 vsb_taps_re[] = { + DRXJ_16TO8(-2), /* re0 */ + DRXJ_16TO8(4), /* re1 */ + DRXJ_16TO8(1), /* re2 */ + DRXJ_16TO8(-4), /* re3 */ + DRXJ_16TO8(1), /* re4 */ + DRXJ_16TO8(4), /* re5 */ + DRXJ_16TO8(-3), /* re6 */ + DRXJ_16TO8(-3), /* re7 */ + DRXJ_16TO8(6), /* re8 */ + DRXJ_16TO8(1), /* re9 */ + DRXJ_16TO8(-9), /* re10 */ + DRXJ_16TO8(3), /* re11 */ + DRXJ_16TO8(12), /* re12 */ + DRXJ_16TO8(-9), /* re13 */ + DRXJ_16TO8(-15), /* re14 */ + DRXJ_16TO8(17), /* re15 */ + DRXJ_16TO8(19), /* re16 */ + DRXJ_16TO8(-29), /* re17 */ + DRXJ_16TO8(-22), /* re18 */ + DRXJ_16TO8(45), /* re19 */ + DRXJ_16TO8(25), /* re20 */ + DRXJ_16TO8(-70), /* re21 */ + DRXJ_16TO8(-28), /* re22 */ + DRXJ_16TO8(111), /* re23 */ + DRXJ_16TO8(30), /* re24 */ + DRXJ_16TO8(-201), /* re25 */ + DRXJ_16TO8(-31), /* re26 */ + DRXJ_16TO8(629) /* re27 */ + }; + + dev_addr = demod->my_i2c_dev_addr; + common_attr = (struct drx_common_attr *) demod->my_common_attr; + ext_attr = (struct drxj_data *) demod->my_ext_attr; + + /* stop all comm_exec */ + rc = drxj_dap_write_reg16(dev_addr, FEC_COMM_EXEC__A, FEC_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, VSB_COMM_EXEC__A, VSB_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_FS_COMM_EXEC__A, IQM_FS_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_FD_COMM_EXEC__A, IQM_FD_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_RC_COMM_EXEC__A, IQM_RC_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_RT_COMM_EXEC__A, IQM_RT_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_CF_COMM_EXEC__A, IQM_CF_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* reset demodulator */ + cmd_scu.command = SCU_RAM_COMMAND_STANDARD_VSB + | SCU_RAM_COMMAND_CMD_DEMOD_RESET; + cmd_scu.parameter_len = 0; + cmd_scu.result_len = 1; + cmd_scu.parameter = NULL; + cmd_scu.result = &cmd_result; + rc = scu_command(dev_addr, &cmd_scu); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_DCF_BYPASS__A, 1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_FS_ADJ_SEL__A, IQM_FS_ADJ_SEL_B_VSB, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_RC_ADJ_SEL__A, IQM_RC_ADJ_SEL_B_VSB, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + ext_attr->iqm_rc_rate_ofs = 0x00AD0D79; + rc = drxdap_fasi_write_reg32(dev_addr, IQM_RC_RATE_OFS_LO__A, ext_attr->iqm_rc_rate_ofs, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, VSB_TOP_CFAGC_GAINSHIFT__A, 4, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, VSB_TOP_CYGN1TRK__A, 1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, IQM_RC_CROUT_ENA__A, 1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_RC_STRETCH__A, 28, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_RT_ACTIVE__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_CF_SYMMETRIC__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_CF_MIDTAP__A, 3, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_CF_OUT_ENA__A, IQM_CF_OUT_ENA_VSB__M, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_CF_SCALE__A, 1393, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_CF_SCALE_SH__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_CF_POW_MEAS_LEN__A, 1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxdap_fasi_write_block(dev_addr, IQM_CF_TAP_RE0__A, sizeof(vsb_taps_re), ((u8 *)vsb_taps_re), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxdap_fasi_write_block(dev_addr, IQM_CF_TAP_IM0__A, sizeof(vsb_taps_re), ((u8 *)vsb_taps_re), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, VSB_TOP_BNTHRESH__A, 330, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /* set higher threshold */ + rc = drxj_dap_write_reg16(dev_addr, VSB_TOP_CLPLASTNUM__A, 90, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /* burst detection on */ + rc = drxj_dap_write_reg16(dev_addr, VSB_TOP_SNRTH_RCA1__A, 0x0042, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /* drop thresholds by 1 dB */ + rc = drxj_dap_write_reg16(dev_addr, VSB_TOP_SNRTH_RCA2__A, 0x0053, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /* drop thresholds by 2 dB */ + rc = drxj_dap_write_reg16(dev_addr, VSB_TOP_EQCTRL__A, 0x1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /* cma on */ + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_GPIO__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /* GPIO */ + + /* Initialize the FEC Subsystem */ + rc = drxj_dap_write_reg16(dev_addr, FEC_TOP_ANNEX__A, FEC_TOP_ANNEX_D, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + { + u16 fec_oc_snc_mode = 0; + rc = drxj_dap_read_reg16(dev_addr, FEC_OC_SNC_MODE__A, &fec_oc_snc_mode, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* output data even when not locked */ + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_SNC_MODE__A, fec_oc_snc_mode | FEC_OC_SNC_MODE_UNLOCK_ENABLE__M, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + /* set clip */ + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_CLP_LEN__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_CLP_TH__A, 470, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_SNS_LEN__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, VSB_TOP_SNRTH_PT__A, 0xD4, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* no transparent, no A&C framing; parity is set in mpegoutput */ + { + u16 fec_oc_reg_mode = 0; + rc = drxj_dap_read_reg16(dev_addr, FEC_OC_MODE__A, &fec_oc_reg_mode, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_MODE__A, fec_oc_reg_mode & (~(FEC_OC_MODE_TRANSPARENT__M | FEC_OC_MODE_CLEAR__M | FEC_OC_MODE_RETAIN_FRAMING__M)), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + rc = drxj_dap_write_reg16(dev_addr, FEC_DI_TIMEOUT_LO__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /* timeout counter for restarting */ + rc = drxj_dap_write_reg16(dev_addr, FEC_DI_TIMEOUT_HI__A, 3, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_RS_MODE__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /* bypass disabled */ + /* initialize RS packet error measurement parameters */ + rc = drxj_dap_write_reg16(dev_addr, FEC_RS_MEASUREMENT_PERIOD__A, FEC_RS_MEASUREMENT_PERIOD, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_RS_MEASUREMENT_PRESCALE__A, FEC_RS_MEASUREMENT_PRESCALE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* init measurement period of MER/SER */ + rc = drxj_dap_write_reg16(dev_addr, VSB_TOP_MEASUREMENT_PERIOD__A, VSB_TOP_MEASUREMENT_PERIOD, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxdap_fasi_write_reg32(dev_addr, SCU_RAM_FEC_ACCUM_CW_CORRECTED_LO__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_FEC_MEAS_COUNT__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_FEC_ACCUM_PKT_FAILURES__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, VSB_TOP_CKGN1TRK__A, 128, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* B-Input to ADC, PGA+filter in standby */ + if (!ext_attr->has_lna) { + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_AMUX__A, 0x02, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + /* turn on IQMAF. It has to be in front of setAgc**() */ + rc = set_iqm_af(demod, true); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = adc_synchronization(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = init_agc(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = set_agc_if(demod, &(ext_attr->vsb_if_agc_cfg), false); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = set_agc_rf(demod, &(ext_attr->vsb_rf_agc_cfg), false); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + { + /* TODO fix this, store a struct drxj_cfg_afe_gain structure in struct drxj_data instead + of only the gain */ + struct drxj_cfg_afe_gain vsb_pga_cfg = { DRX_STANDARD_8VSB, 0 }; + + vsb_pga_cfg.gain = ext_attr->vsb_pga_cfg; + rc = ctrl_set_cfg_afe_gain(demod, &vsb_pga_cfg); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + rc = ctrl_set_cfg_pre_saw(demod, &(ext_attr->vsb_pre_saw_cfg)); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Mpeg output has to be in front of FEC active */ + rc = set_mpegtei_handling(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = bit_reverse_mpeg_output(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = set_mpeg_start_width(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + { + /* TODO: move to set_standard after hardware reset value problem is solved */ + /* Configure initial MPEG output */ + struct drx_cfg_mpeg_output cfg_mpeg_output; + + memcpy(&cfg_mpeg_output, &common_attr->mpeg_cfg, sizeof(cfg_mpeg_output)); + cfg_mpeg_output.enable_mpeg_output = true; + + rc = ctrl_set_cfg_mpeg_output(demod, &cfg_mpeg_output); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + /* TBD: what parameters should be set */ + cmd_param = 0x00; /* Default mode AGC on, etc */ + cmd_scu.command = SCU_RAM_COMMAND_STANDARD_VSB + | SCU_RAM_COMMAND_CMD_DEMOD_SET_PARAM; + cmd_scu.parameter_len = 1; + cmd_scu.result_len = 1; + cmd_scu.parameter = &cmd_param; + cmd_scu.result = &cmd_result; + rc = scu_command(dev_addr, &cmd_scu); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, VSB_TOP_BEAGC_GAINSHIFT__A, 0x0004, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, VSB_TOP_SNRTH_PT__A, 0x00D2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, VSB_TOP_SYSSMTRNCTRL__A, VSB_TOP_SYSSMTRNCTRL__PRE | VSB_TOP_SYSSMTRNCTRL_NCOTIMEOUTCNTEN__M, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, VSB_TOP_BEDETCTRL__A, 0x142, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, VSB_TOP_LBAGCREFLVL__A, 640, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, VSB_TOP_CYGN1ACQ__A, 4, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, VSB_TOP_CYGN1TRK__A, 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, VSB_TOP_CYGN2TRK__A, 3, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* start demodulator */ + cmd_scu.command = SCU_RAM_COMMAND_STANDARD_VSB + | SCU_RAM_COMMAND_CMD_DEMOD_START; + cmd_scu.parameter_len = 0; + cmd_scu.result_len = 1; + cmd_scu.parameter = NULL; + cmd_scu.result = &cmd_result; + rc = scu_command(dev_addr, &cmd_scu); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, IQM_COMM_EXEC__A, IQM_COMM_EXEC_ACTIVE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, VSB_COMM_EXEC__A, VSB_COMM_EXEC_ACTIVE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_COMM_EXEC__A, FEC_COMM_EXEC_ACTIVE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; +rw_error: + return rc; +} + +/* +* \fn static short get_vsb_post_rs_pck_err(struct i2c_device_addr *dev_addr, u16 *PckErrs) +* \brief Get the values of packet error in 8VSB mode +* \return Error code +*/ +static int get_vsb_post_rs_pck_err(struct i2c_device_addr *dev_addr, + u32 *pck_errs, u32 *pck_count) +{ + int rc; + u16 data = 0; + u16 period = 0; + u16 prescale = 0; + u16 packet_errors_mant = 0; + u16 packet_errors_exp = 0; + + rc = drxj_dap_read_reg16(dev_addr, FEC_RS_NR_FAILURES__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + packet_errors_mant = data & FEC_RS_NR_FAILURES_FIXED_MANT__M; + packet_errors_exp = (data & FEC_RS_NR_FAILURES_EXP__M) + >> FEC_RS_NR_FAILURES_EXP__B; + period = FEC_RS_MEASUREMENT_PERIOD; + prescale = FEC_RS_MEASUREMENT_PRESCALE; + /* packet error rate = (error packet number) per second */ + /* 77.3 us is time for per packet */ + if (period * prescale == 0) { + pr_err("error: period and/or prescale is zero!\n"); + return -EIO; + } + *pck_errs = packet_errors_mant * (1 << packet_errors_exp); + *pck_count = period * prescale * 77; + + return 0; +rw_error: + return rc; +} + +/* +* \fn static short GetVSBBer(struct i2c_device_addr *dev_addr, u32 *ber) +* \brief Get the values of ber in VSB mode +* \return Error code +*/ +static int get_vs_bpost_viterbi_ber(struct i2c_device_addr *dev_addr, + u32 *ber, u32 *cnt) +{ + int rc; + u16 data = 0; + u16 period = 0; + u16 prescale = 0; + u16 bit_errors_mant = 0; + u16 bit_errors_exp = 0; + + rc = drxj_dap_read_reg16(dev_addr, FEC_RS_NR_BIT_ERRORS__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + period = FEC_RS_MEASUREMENT_PERIOD; + prescale = FEC_RS_MEASUREMENT_PRESCALE; + + bit_errors_mant = data & FEC_RS_NR_BIT_ERRORS_FIXED_MANT__M; + bit_errors_exp = (data & FEC_RS_NR_BIT_ERRORS_EXP__M) + >> FEC_RS_NR_BIT_ERRORS_EXP__B; + + *cnt = period * prescale * 207 * ((bit_errors_exp > 2) ? 1 : 8); + + if (((bit_errors_mant << bit_errors_exp) >> 3) > 68700) + *ber = (*cnt) * 26570; + else { + if (period * prescale == 0) { + pr_err("error: period and/or prescale is zero!\n"); + return -EIO; + } + *ber = bit_errors_mant << ((bit_errors_exp > 2) ? + (bit_errors_exp - 3) : bit_errors_exp); + } + + return 0; +rw_error: + return rc; +} + +/* +* \fn static short get_vs_bpre_viterbi_ber(struct i2c_device_addr *dev_addr, u32 *ber) +* \brief Get the values of ber in VSB mode +* \return Error code +*/ +static int get_vs_bpre_viterbi_ber(struct i2c_device_addr *dev_addr, + u32 *ber, u32 *cnt) +{ + u16 data = 0; + int rc; + + rc = drxj_dap_read_reg16(dev_addr, VSB_TOP_NR_SYM_ERRS__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + return -EIO; + } + *ber = data; + *cnt = VSB_TOP_MEASUREMENT_PERIOD * SYMBOLS_PER_SEGMENT; + + return 0; +} + +/* +* \fn static int get_vsbmer(struct i2c_device_addr *dev_addr, u16 *mer) +* \brief Get the values of MER +* \return Error code +*/ +static int get_vsbmer(struct i2c_device_addr *dev_addr, u16 *mer) +{ + int rc; + u16 data_hi = 0; + + rc = drxj_dap_read_reg16(dev_addr, VSB_TOP_ERR_ENERGY_H__A, &data_hi, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + *mer = + (u16) (log1_times100(21504) - log1_times100((data_hi << 6) / 52)); + + return 0; +rw_error: + return rc; +} + + +/*============================================================================*/ +/*== END 8VSB DATAPATH FUNCTIONS ==*/ +/*============================================================================*/ + +/*============================================================================*/ +/*============================================================================*/ +/*== QAM DATAPATH FUNCTIONS ==*/ +/*============================================================================*/ +/*============================================================================*/ + +/* +* \fn int power_down_qam () +* \brief Powr down QAM related blocks. +* \param demod instance of demodulator. +* \param channel pointer to channel data. +* \return int. +*/ +static int power_down_qam(struct drx_demod_instance *demod, bool primary) +{ + struct drxjscu_cmd cmd_scu = { /* command */ 0, + /* parameter_len */ 0, + /* result_len */ 0, + /* *parameter */ NULL, + /* *result */ NULL + }; + int rc; + struct i2c_device_addr *dev_addr = demod->my_i2c_dev_addr; + struct drx_cfg_mpeg_output cfg_mpeg_output; + struct drx_common_attr *common_attr = demod->my_common_attr; + u16 cmd_result = 0; + + /* + STOP demodulator + resets IQM, QAM and FEC HW blocks + */ + /* stop all comm_exec */ + rc = drxj_dap_write_reg16(dev_addr, FEC_COMM_EXEC__A, FEC_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_COMM_EXEC__A, QAM_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + cmd_scu.command = SCU_RAM_COMMAND_STANDARD_QAM | + SCU_RAM_COMMAND_CMD_DEMOD_STOP; + cmd_scu.parameter_len = 0; + cmd_scu.result_len = 1; + cmd_scu.parameter = NULL; + cmd_scu.result = &cmd_result; + rc = scu_command(dev_addr, &cmd_scu); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + if (primary) { + rc = drxj_dap_write_reg16(dev_addr, IQM_COMM_EXEC__A, IQM_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = set_iqm_af(demod, false); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } else { + rc = drxj_dap_write_reg16(dev_addr, IQM_FS_COMM_EXEC__A, IQM_FS_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_FD_COMM_EXEC__A, IQM_FD_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_RC_COMM_EXEC__A, IQM_RC_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_RT_COMM_EXEC__A, IQM_RT_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_CF_COMM_EXEC__A, IQM_CF_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + memcpy(&cfg_mpeg_output, &common_attr->mpeg_cfg, sizeof(cfg_mpeg_output)); + cfg_mpeg_output.enable_mpeg_output = false; + + rc = ctrl_set_cfg_mpeg_output(demod, &cfg_mpeg_output); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; +rw_error: + return rc; +} + +/*============================================================================*/ + +/* +* \fn int set_qam_measurement () +* \brief Setup of the QAM Measuremnt intervals for signal quality +* \param demod instance of demod. +* \param constellation current constellation. +* \return int. +* +* NOTE: +* Take into account that for certain settings the errorcounters can overflow. +* The implementation does not check this. +* +* TODO: overriding the ext_attr->fec_bits_desired by constellation dependent +* constants to get a measurement period of approx. 1 sec. Remove fec_bits_desired +* field ? +* +*/ +#ifndef DRXJ_VSB_ONLY +static int +set_qam_measurement(struct drx_demod_instance *demod, + enum drx_modulation constellation, u32 symbol_rate) +{ + struct i2c_device_addr *dev_addr = NULL; /* device address for I2C writes */ + struct drxj_data *ext_attr = NULL; /* Global data container for DRXJ specific data */ + int rc; + u32 fec_bits_desired = 0; /* BER accounting period */ + u16 fec_rs_plen = 0; /* defines RS BER measurement period */ + u16 fec_rs_prescale = 0; /* ReedSolomon Measurement Prescale */ + u32 fec_rs_period = 0; /* Value for corresponding I2C register */ + u32 fec_rs_bit_cnt = 0; /* Actual precise amount of bits */ + u32 fec_oc_snc_fail_period = 0; /* Value for corresponding I2C register */ + u32 qam_vd_period = 0; /* Value for corresponding I2C register */ + u32 qam_vd_bit_cnt = 0; /* Actual precise amount of bits */ + u16 fec_vd_plen = 0; /* no of trellis symbols: VD SER measur period */ + u16 qam_vd_prescale = 0; /* Viterbi Measurement Prescale */ + + dev_addr = demod->my_i2c_dev_addr; + ext_attr = (struct drxj_data *) demod->my_ext_attr; + + fec_bits_desired = ext_attr->fec_bits_desired; + fec_rs_prescale = ext_attr->fec_rs_prescale; + + switch (constellation) { + case DRX_CONSTELLATION_QAM16: + fec_bits_desired = 4 * symbol_rate; + break; + case DRX_CONSTELLATION_QAM32: + fec_bits_desired = 5 * symbol_rate; + break; + case DRX_CONSTELLATION_QAM64: + fec_bits_desired = 6 * symbol_rate; + break; + case DRX_CONSTELLATION_QAM128: + fec_bits_desired = 7 * symbol_rate; + break; + case DRX_CONSTELLATION_QAM256: + fec_bits_desired = 8 * symbol_rate; + break; + default: + return -EINVAL; + } + + /* Parameters for Reed-Solomon Decoder */ + /* fecrs_period = (int)ceil(FEC_BITS_DESIRED/(fecrs_prescale*plen)) */ + /* rs_bit_cnt = fecrs_period*fecrs_prescale*plen */ + /* result is within 32 bit arithmetic -> */ + /* no need for mult or frac functions */ + + /* TODO: use constant instead of calculation and remove the fec_rs_plen in ext_attr */ + switch (ext_attr->standard) { + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_C: + fec_rs_plen = 204 * 8; + break; + case DRX_STANDARD_ITU_B: + fec_rs_plen = 128 * 7; + break; + default: + return -EINVAL; + } + + ext_attr->fec_rs_plen = fec_rs_plen; /* for getSigQual */ + fec_rs_bit_cnt = fec_rs_prescale * fec_rs_plen; /* temp storage */ + if (fec_rs_bit_cnt == 0) { + pr_err("error: fec_rs_bit_cnt is zero!\n"); + return -EIO; + } + fec_rs_period = fec_bits_desired / fec_rs_bit_cnt + 1; /* ceil */ + if (ext_attr->standard != DRX_STANDARD_ITU_B) + fec_oc_snc_fail_period = fec_rs_period; + + /* limit to max 16 bit value (I2C register width) if needed */ + if (fec_rs_period > 0xFFFF) + fec_rs_period = 0xFFFF; + + /* write corresponding registers */ + switch (ext_attr->standard) { + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_C: + break; + case DRX_STANDARD_ITU_B: + switch (constellation) { + case DRX_CONSTELLATION_QAM64: + fec_rs_period = 31581; + fec_oc_snc_fail_period = 17932; + break; + case DRX_CONSTELLATION_QAM256: + fec_rs_period = 45446; + fec_oc_snc_fail_period = 25805; + break; + default: + return -EINVAL; + } + break; + default: + return -EINVAL; + } + + rc = drxj_dap_write_reg16(dev_addr, FEC_OC_SNC_FAIL_PERIOD__A, (u16)fec_oc_snc_fail_period, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_RS_MEASUREMENT_PERIOD__A, (u16)fec_rs_period, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_RS_MEASUREMENT_PRESCALE__A, fec_rs_prescale, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + ext_attr->fec_rs_period = (u16) fec_rs_period; + ext_attr->fec_rs_prescale = fec_rs_prescale; + rc = drxdap_fasi_write_reg32(dev_addr, SCU_RAM_FEC_ACCUM_CW_CORRECTED_LO__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_FEC_MEAS_COUNT__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_FEC_ACCUM_PKT_FAILURES__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + if (ext_attr->standard == DRX_STANDARD_ITU_B) { + /* Parameters for Viterbi Decoder */ + /* qamvd_period = (int)ceil(FEC_BITS_DESIRED/ */ + /* (qamvd_prescale*plen*(qam_constellation+1))) */ + /* vd_bit_cnt = qamvd_period*qamvd_prescale*plen */ + /* result is within 32 bit arithmetic -> */ + /* no need for mult or frac functions */ + + /* a(8 bit) * b(8 bit) = 16 bit result => mult32 not needed */ + fec_vd_plen = ext_attr->fec_vd_plen; + qam_vd_prescale = ext_attr->qam_vd_prescale; + qam_vd_bit_cnt = qam_vd_prescale * fec_vd_plen; /* temp storage */ + + switch (constellation) { + case DRX_CONSTELLATION_QAM64: + /* a(16 bit) * b(4 bit) = 20 bit result => mult32 not needed */ + qam_vd_period = + qam_vd_bit_cnt * (QAM_TOP_CONSTELLATION_QAM64 + 1) + * (QAM_TOP_CONSTELLATION_QAM64 + 1); + break; + case DRX_CONSTELLATION_QAM256: + /* a(16 bit) * b(5 bit) = 21 bit result => mult32 not needed */ + qam_vd_period = + qam_vd_bit_cnt * (QAM_TOP_CONSTELLATION_QAM256 + 1) + * (QAM_TOP_CONSTELLATION_QAM256 + 1); + break; + default: + return -EINVAL; + } + if (qam_vd_period == 0) { + pr_err("error: qam_vd_period is zero!\n"); + return -EIO; + } + qam_vd_period = fec_bits_desired / qam_vd_period; + /* limit to max 16 bit value (I2C register width) if needed */ + if (qam_vd_period > 0xFFFF) + qam_vd_period = 0xFFFF; + + /* a(16 bit) * b(16 bit) = 32 bit result => mult32 not needed */ + qam_vd_bit_cnt *= qam_vd_period; + + rc = drxj_dap_write_reg16(dev_addr, QAM_VD_MEASUREMENT_PERIOD__A, (u16)qam_vd_period, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_VD_MEASUREMENT_PRESCALE__A, qam_vd_prescale, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + ext_attr->qam_vd_period = (u16) qam_vd_period; + ext_attr->qam_vd_prescale = qam_vd_prescale; + } + + return 0; +rw_error: + return rc; +} + +/*============================================================================*/ + +/* +* \fn int set_qam16 () +* \brief QAM16 specific setup +* \param demod instance of demod. +* \return int. +*/ +static int set_qam16(struct drx_demod_instance *demod) +{ + struct i2c_device_addr *dev_addr = demod->my_i2c_dev_addr; + int rc; + static const u8 qam_dq_qual_fun[] = { + DRXJ_16TO8(2), /* fun0 */ + DRXJ_16TO8(2), /* fun1 */ + DRXJ_16TO8(2), /* fun2 */ + DRXJ_16TO8(2), /* fun3 */ + DRXJ_16TO8(3), /* fun4 */ + DRXJ_16TO8(3), /* fun5 */ + }; + static const u8 qam_eq_cma_rad[] = { + DRXJ_16TO8(13517), /* RAD0 */ + DRXJ_16TO8(13517), /* RAD1 */ + DRXJ_16TO8(13517), /* RAD2 */ + DRXJ_16TO8(13517), /* RAD3 */ + DRXJ_16TO8(13517), /* RAD4 */ + DRXJ_16TO8(13517), /* RAD5 */ + }; + + rc = drxdap_fasi_write_block(dev_addr, QAM_DQ_QUAL_FUN0__A, sizeof(qam_dq_qual_fun), ((u8 *)qam_dq_qual_fun), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxdap_fasi_write_block(dev_addr, SCU_RAM_QAM_EQ_CMA_RAD0__A, sizeof(qam_eq_cma_rad), ((u8 *)qam_eq_cma_rad), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_RTH__A, 140, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_FTH__A, 50, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_PTH__A, 120, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_QTH__A, 230, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_CTH__A, 95, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_MTH__A, 105, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_RATE_LIM__A, 40, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_FREQ_LIM__A, 56, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_COUNT_LIM__A, 3, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_MEDIAN_AV_MULT__A, 16, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_RADIUS_AV_LIMIT__A, 220, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET1__A, 25, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET2__A, 6, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET3__A, (u16)(-24), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET4__A, (u16)(-65), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET5__A, (u16)(-127), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CA_FINE__A, 15, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CA_COARSE__A, 40, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CP_FINE__A, 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CP_MEDIUM__A, 20, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CP_COARSE__A, 255, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CI_FINE__A, 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CI_MEDIUM__A, 10, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CI_COARSE__A, 50, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EP_FINE__A, 12, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EP_MEDIUM__A, 24, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EP_COARSE__A, 24, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EI_FINE__A, 12, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EI_MEDIUM__A, 16, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EI_COARSE__A, 16, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF_FINE__A, 16, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF_MEDIUM__A, 32, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF_COARSE__A, 240, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF1_FINE__A, 5, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF1_MEDIUM__A, 15, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF1_COARSE__A, 32, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_SL_SIG_POWER__A, 40960, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; +rw_error: + return rc; +} + +/*============================================================================*/ + +/* +* \fn int set_qam32 () +* \brief QAM32 specific setup +* \param demod instance of demod. +* \return int. +*/ +static int set_qam32(struct drx_demod_instance *demod) +{ + struct i2c_device_addr *dev_addr = demod->my_i2c_dev_addr; + int rc; + static const u8 qam_dq_qual_fun[] = { + DRXJ_16TO8(3), /* fun0 */ + DRXJ_16TO8(3), /* fun1 */ + DRXJ_16TO8(3), /* fun2 */ + DRXJ_16TO8(3), /* fun3 */ + DRXJ_16TO8(4), /* fun4 */ + DRXJ_16TO8(4), /* fun5 */ + }; + static const u8 qam_eq_cma_rad[] = { + DRXJ_16TO8(6707), /* RAD0 */ + DRXJ_16TO8(6707), /* RAD1 */ + DRXJ_16TO8(6707), /* RAD2 */ + DRXJ_16TO8(6707), /* RAD3 */ + DRXJ_16TO8(6707), /* RAD4 */ + DRXJ_16TO8(6707), /* RAD5 */ + }; + + rc = drxdap_fasi_write_block(dev_addr, QAM_DQ_QUAL_FUN0__A, sizeof(qam_dq_qual_fun), ((u8 *)qam_dq_qual_fun), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxdap_fasi_write_block(dev_addr, SCU_RAM_QAM_EQ_CMA_RAD0__A, sizeof(qam_eq_cma_rad), ((u8 *)qam_eq_cma_rad), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_RTH__A, 90, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_FTH__A, 50, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_PTH__A, 100, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_QTH__A, 170, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_CTH__A, 80, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_MTH__A, 100, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_RATE_LIM__A, 40, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_FREQ_LIM__A, 56, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_COUNT_LIM__A, 3, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_MEDIAN_AV_MULT__A, 12, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_RADIUS_AV_LIMIT__A, 140, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET1__A, (u16)(-8), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET2__A, (u16)(-16), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET3__A, (u16)(-26), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET4__A, (u16)(-56), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET5__A, (u16)(-86), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CA_FINE__A, 15, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CA_COARSE__A, 40, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CP_FINE__A, 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CP_MEDIUM__A, 20, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CP_COARSE__A, 255, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CI_FINE__A, 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CI_MEDIUM__A, 10, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CI_COARSE__A, 50, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EP_FINE__A, 12, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EP_MEDIUM__A, 24, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EP_COARSE__A, 24, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EI_FINE__A, 12, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EI_MEDIUM__A, 16, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EI_COARSE__A, 16, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF_FINE__A, 16, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF_MEDIUM__A, 32, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF_COARSE__A, 176, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF1_FINE__A, 5, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF1_MEDIUM__A, 15, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF1_COARSE__A, 8, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_SL_SIG_POWER__A, 20480, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; +rw_error: + return rc; +} + +/*============================================================================*/ + +/* +* \fn int set_qam64 () +* \brief QAM64 specific setup +* \param demod instance of demod. +* \return int. +*/ +static int set_qam64(struct drx_demod_instance *demod) +{ + struct i2c_device_addr *dev_addr = demod->my_i2c_dev_addr; + int rc; + static const u8 qam_dq_qual_fun[] = { + /* this is hw reset value. no necessary to re-write */ + DRXJ_16TO8(4), /* fun0 */ + DRXJ_16TO8(4), /* fun1 */ + DRXJ_16TO8(4), /* fun2 */ + DRXJ_16TO8(4), /* fun3 */ + DRXJ_16TO8(6), /* fun4 */ + DRXJ_16TO8(6), /* fun5 */ + }; + static const u8 qam_eq_cma_rad[] = { + DRXJ_16TO8(13336), /* RAD0 */ + DRXJ_16TO8(12618), /* RAD1 */ + DRXJ_16TO8(11988), /* RAD2 */ + DRXJ_16TO8(13809), /* RAD3 */ + DRXJ_16TO8(13809), /* RAD4 */ + DRXJ_16TO8(15609), /* RAD5 */ + }; + + rc = drxdap_fasi_write_block(dev_addr, QAM_DQ_QUAL_FUN0__A, sizeof(qam_dq_qual_fun), ((u8 *)qam_dq_qual_fun), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxdap_fasi_write_block(dev_addr, SCU_RAM_QAM_EQ_CMA_RAD0__A, sizeof(qam_eq_cma_rad), ((u8 *)qam_eq_cma_rad), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_RTH__A, 105, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_FTH__A, 60, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_PTH__A, 100, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_QTH__A, 195, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_CTH__A, 80, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_MTH__A, 84, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_RATE_LIM__A, 40, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_FREQ_LIM__A, 32, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_COUNT_LIM__A, 3, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_MEDIAN_AV_MULT__A, 12, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_RADIUS_AV_LIMIT__A, 141, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET1__A, 7, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET2__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET3__A, (u16)(-15), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET4__A, (u16)(-45), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET5__A, (u16)(-80), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CA_FINE__A, 15, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CA_COARSE__A, 40, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CP_FINE__A, 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CP_MEDIUM__A, 30, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CP_COARSE__A, 255, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CI_FINE__A, 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CI_MEDIUM__A, 15, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CI_COARSE__A, 80, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EP_FINE__A, 12, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EP_MEDIUM__A, 24, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EP_COARSE__A, 24, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EI_FINE__A, 12, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EI_MEDIUM__A, 16, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EI_COARSE__A, 16, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF_FINE__A, 16, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF_MEDIUM__A, 48, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF_COARSE__A, 160, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF1_FINE__A, 5, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF1_MEDIUM__A, 15, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF1_COARSE__A, 32, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_SL_SIG_POWER__A, 43008, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; +rw_error: + return rc; +} + +/*============================================================================*/ + +/* +* \fn int set_qam128 () +* \brief QAM128 specific setup +* \param demod: instance of demod. +* \return int. +*/ +static int set_qam128(struct drx_demod_instance *demod) +{ + struct i2c_device_addr *dev_addr = demod->my_i2c_dev_addr; + int rc; + static const u8 qam_dq_qual_fun[] = { + DRXJ_16TO8(6), /* fun0 */ + DRXJ_16TO8(6), /* fun1 */ + DRXJ_16TO8(6), /* fun2 */ + DRXJ_16TO8(6), /* fun3 */ + DRXJ_16TO8(9), /* fun4 */ + DRXJ_16TO8(9), /* fun5 */ + }; + static const u8 qam_eq_cma_rad[] = { + DRXJ_16TO8(6164), /* RAD0 */ + DRXJ_16TO8(6598), /* RAD1 */ + DRXJ_16TO8(6394), /* RAD2 */ + DRXJ_16TO8(6409), /* RAD3 */ + DRXJ_16TO8(6656), /* RAD4 */ + DRXJ_16TO8(7238), /* RAD5 */ + }; + + rc = drxdap_fasi_write_block(dev_addr, QAM_DQ_QUAL_FUN0__A, sizeof(qam_dq_qual_fun), ((u8 *)qam_dq_qual_fun), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxdap_fasi_write_block(dev_addr, SCU_RAM_QAM_EQ_CMA_RAD0__A, sizeof(qam_eq_cma_rad), ((u8 *)qam_eq_cma_rad), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_RTH__A, 50, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_FTH__A, 60, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_PTH__A, 100, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_QTH__A, 140, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_CTH__A, 80, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_MTH__A, 100, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_RATE_LIM__A, 40, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_FREQ_LIM__A, 32, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_COUNT_LIM__A, 3, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_MEDIAN_AV_MULT__A, 8, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_RADIUS_AV_LIMIT__A, 65, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET1__A, 5, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET2__A, 3, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET3__A, (u16)(-1), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET4__A, 12, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET5__A, (u16)(-23), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CA_FINE__A, 15, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CA_COARSE__A, 40, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CP_FINE__A, 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CP_MEDIUM__A, 40, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CP_COARSE__A, 255, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CI_FINE__A, 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CI_MEDIUM__A, 20, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CI_COARSE__A, 80, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EP_FINE__A, 12, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EP_MEDIUM__A, 24, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EP_COARSE__A, 24, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EI_FINE__A, 12, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EI_MEDIUM__A, 16, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EI_COARSE__A, 16, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF_FINE__A, 16, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF_MEDIUM__A, 32, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF_COARSE__A, 144, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF1_FINE__A, 5, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF1_MEDIUM__A, 15, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF1_COARSE__A, 16, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_SL_SIG_POWER__A, 20992, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; +rw_error: + return rc; +} + +/*============================================================================*/ + +/* +* \fn int set_qam256 () +* \brief QAM256 specific setup +* \param demod: instance of demod. +* \return int. +*/ +static int set_qam256(struct drx_demod_instance *demod) +{ + struct i2c_device_addr *dev_addr = demod->my_i2c_dev_addr; + int rc; + static const u8 qam_dq_qual_fun[] = { + DRXJ_16TO8(8), /* fun0 */ + DRXJ_16TO8(8), /* fun1 */ + DRXJ_16TO8(8), /* fun2 */ + DRXJ_16TO8(8), /* fun3 */ + DRXJ_16TO8(12), /* fun4 */ + DRXJ_16TO8(12), /* fun5 */ + }; + static const u8 qam_eq_cma_rad[] = { + DRXJ_16TO8(12345), /* RAD0 */ + DRXJ_16TO8(12345), /* RAD1 */ + DRXJ_16TO8(13626), /* RAD2 */ + DRXJ_16TO8(12931), /* RAD3 */ + DRXJ_16TO8(14719), /* RAD4 */ + DRXJ_16TO8(15356), /* RAD5 */ + }; + + rc = drxdap_fasi_write_block(dev_addr, QAM_DQ_QUAL_FUN0__A, sizeof(qam_dq_qual_fun), ((u8 *)qam_dq_qual_fun), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxdap_fasi_write_block(dev_addr, SCU_RAM_QAM_EQ_CMA_RAD0__A, sizeof(qam_eq_cma_rad), ((u8 *)qam_eq_cma_rad), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_RTH__A, 50, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_FTH__A, 60, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_PTH__A, 100, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_QTH__A, 150, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_CTH__A, 80, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_MTH__A, 110, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_RATE_LIM__A, 40, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_FREQ_LIM__A, 16, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_COUNT_LIM__A, 3, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_MEDIAN_AV_MULT__A, 8, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_RADIUS_AV_LIMIT__A, 74, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET1__A, 18, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET2__A, 13, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET3__A, 7, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET4__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_LCAVG_OFFSET5__A, (u16)(-8), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CA_FINE__A, 15, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CA_COARSE__A, 40, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CP_FINE__A, 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CP_MEDIUM__A, 50, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CP_COARSE__A, 255, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CI_FINE__A, 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CI_MEDIUM__A, 25, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CI_COARSE__A, 80, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EP_FINE__A, 12, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EP_MEDIUM__A, 24, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EP_COARSE__A, 24, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EI_FINE__A, 12, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EI_MEDIUM__A, 16, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_EI_COARSE__A, 16, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF_FINE__A, 16, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF_MEDIUM__A, 48, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF_COARSE__A, 80, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF1_FINE__A, 5, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF1_MEDIUM__A, 15, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_LC_CF1_COARSE__A, 16, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_SL_SIG_POWER__A, 43520, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; +rw_error: + return rc; +} + +/*============================================================================*/ +#define QAM_SET_OP_ALL 0x1 +#define QAM_SET_OP_CONSTELLATION 0x2 +#define QAM_SET_OP_SPECTRUM 0X4 + +/* +* \fn int set_qam () +* \brief Set QAM demod. +* \param demod: instance of demod. +* \param channel: pointer to channel data. +* \return int. +*/ +static int +set_qam(struct drx_demod_instance *demod, + struct drx_channel *channel, s32 tuner_freq_offset, u32 op) +{ + struct i2c_device_addr *dev_addr = NULL; + struct drxj_data *ext_attr = NULL; + struct drx_common_attr *common_attr = NULL; + int rc; + u32 adc_frequency = 0; + u32 iqm_rc_rate = 0; + u16 cmd_result = 0; + u16 lc_symbol_freq = 0; + u16 iqm_rc_stretch = 0; + u16 set_env_parameters = 0; + u16 set_param_parameters[2] = { 0 }; + struct drxjscu_cmd cmd_scu = { /* command */ 0, + /* parameter_len */ 0, + /* result_len */ 0, + /* parameter */ NULL, + /* result */ NULL + }; + static const u8 qam_a_taps[] = { + DRXJ_16TO8(-1), /* re0 */ + DRXJ_16TO8(1), /* re1 */ + DRXJ_16TO8(1), /* re2 */ + DRXJ_16TO8(-1), /* re3 */ + DRXJ_16TO8(-1), /* re4 */ + DRXJ_16TO8(2), /* re5 */ + DRXJ_16TO8(1), /* re6 */ + DRXJ_16TO8(-2), /* re7 */ + DRXJ_16TO8(0), /* re8 */ + DRXJ_16TO8(3), /* re9 */ + DRXJ_16TO8(-1), /* re10 */ + DRXJ_16TO8(-3), /* re11 */ + DRXJ_16TO8(4), /* re12 */ + DRXJ_16TO8(1), /* re13 */ + DRXJ_16TO8(-8), /* re14 */ + DRXJ_16TO8(4), /* re15 */ + DRXJ_16TO8(13), /* re16 */ + DRXJ_16TO8(-13), /* re17 */ + DRXJ_16TO8(-19), /* re18 */ + DRXJ_16TO8(28), /* re19 */ + DRXJ_16TO8(25), /* re20 */ + DRXJ_16TO8(-53), /* re21 */ + DRXJ_16TO8(-31), /* re22 */ + DRXJ_16TO8(96), /* re23 */ + DRXJ_16TO8(37), /* re24 */ + DRXJ_16TO8(-190), /* re25 */ + DRXJ_16TO8(-40), /* re26 */ + DRXJ_16TO8(619) /* re27 */ + }; + static const u8 qam_b64_taps[] = { + DRXJ_16TO8(0), /* re0 */ + DRXJ_16TO8(-2), /* re1 */ + DRXJ_16TO8(1), /* re2 */ + DRXJ_16TO8(2), /* re3 */ + DRXJ_16TO8(-2), /* re4 */ + DRXJ_16TO8(0), /* re5 */ + DRXJ_16TO8(4), /* re6 */ + DRXJ_16TO8(-2), /* re7 */ + DRXJ_16TO8(-4), /* re8 */ + DRXJ_16TO8(4), /* re9 */ + DRXJ_16TO8(3), /* re10 */ + DRXJ_16TO8(-6), /* re11 */ + DRXJ_16TO8(0), /* re12 */ + DRXJ_16TO8(6), /* re13 */ + DRXJ_16TO8(-5), /* re14 */ + DRXJ_16TO8(-3), /* re15 */ + DRXJ_16TO8(11), /* re16 */ + DRXJ_16TO8(-4), /* re17 */ + DRXJ_16TO8(-19), /* re18 */ + DRXJ_16TO8(19), /* re19 */ + DRXJ_16TO8(28), /* re20 */ + DRXJ_16TO8(-45), /* re21 */ + DRXJ_16TO8(-36), /* re22 */ + DRXJ_16TO8(90), /* re23 */ + DRXJ_16TO8(42), /* re24 */ + DRXJ_16TO8(-185), /* re25 */ + DRXJ_16TO8(-46), /* re26 */ + DRXJ_16TO8(614) /* re27 */ + }; + static const u8 qam_b256_taps[] = { + DRXJ_16TO8(-2), /* re0 */ + DRXJ_16TO8(4), /* re1 */ + DRXJ_16TO8(1), /* re2 */ + DRXJ_16TO8(-4), /* re3 */ + DRXJ_16TO8(0), /* re4 */ + DRXJ_16TO8(4), /* re5 */ + DRXJ_16TO8(-2), /* re6 */ + DRXJ_16TO8(-4), /* re7 */ + DRXJ_16TO8(5), /* re8 */ + DRXJ_16TO8(2), /* re9 */ + DRXJ_16TO8(-8), /* re10 */ + DRXJ_16TO8(2), /* re11 */ + DRXJ_16TO8(11), /* re12 */ + DRXJ_16TO8(-8), /* re13 */ + DRXJ_16TO8(-15), /* re14 */ + DRXJ_16TO8(16), /* re15 */ + DRXJ_16TO8(19), /* re16 */ + DRXJ_16TO8(-27), /* re17 */ + DRXJ_16TO8(-22), /* re18 */ + DRXJ_16TO8(44), /* re19 */ + DRXJ_16TO8(26), /* re20 */ + DRXJ_16TO8(-69), /* re21 */ + DRXJ_16TO8(-28), /* re22 */ + DRXJ_16TO8(110), /* re23 */ + DRXJ_16TO8(31), /* re24 */ + DRXJ_16TO8(-201), /* re25 */ + DRXJ_16TO8(-32), /* re26 */ + DRXJ_16TO8(628) /* re27 */ + }; + static const u8 qam_c_taps[] = { + DRXJ_16TO8(-3), /* re0 */ + DRXJ_16TO8(3), /* re1 */ + DRXJ_16TO8(2), /* re2 */ + DRXJ_16TO8(-4), /* re3 */ + DRXJ_16TO8(0), /* re4 */ + DRXJ_16TO8(4), /* re5 */ + DRXJ_16TO8(-1), /* re6 */ + DRXJ_16TO8(-4), /* re7 */ + DRXJ_16TO8(3), /* re8 */ + DRXJ_16TO8(3), /* re9 */ + DRXJ_16TO8(-5), /* re10 */ + DRXJ_16TO8(0), /* re11 */ + DRXJ_16TO8(9), /* re12 */ + DRXJ_16TO8(-4), /* re13 */ + DRXJ_16TO8(-12), /* re14 */ + DRXJ_16TO8(10), /* re15 */ + DRXJ_16TO8(16), /* re16 */ + DRXJ_16TO8(-21), /* re17 */ + DRXJ_16TO8(-20), /* re18 */ + DRXJ_16TO8(37), /* re19 */ + DRXJ_16TO8(25), /* re20 */ + DRXJ_16TO8(-62), /* re21 */ + DRXJ_16TO8(-28), /* re22 */ + DRXJ_16TO8(105), /* re23 */ + DRXJ_16TO8(31), /* re24 */ + DRXJ_16TO8(-197), /* re25 */ + DRXJ_16TO8(-33), /* re26 */ + DRXJ_16TO8(626) /* re27 */ + }; + + dev_addr = demod->my_i2c_dev_addr; + ext_attr = (struct drxj_data *) demod->my_ext_attr; + common_attr = (struct drx_common_attr *) demod->my_common_attr; + + if ((op & QAM_SET_OP_ALL) || (op & QAM_SET_OP_CONSTELLATION)) { + if (ext_attr->standard == DRX_STANDARD_ITU_B) { + switch (channel->constellation) { + case DRX_CONSTELLATION_QAM256: + iqm_rc_rate = 0x00AE3562; + lc_symbol_freq = + QAM_LC_SYMBOL_FREQ_FREQ_QAM_B_256; + channel->symbolrate = 5360537; + iqm_rc_stretch = IQM_RC_STRETCH_QAM_B_256; + break; + case DRX_CONSTELLATION_QAM64: + iqm_rc_rate = 0x00C05A0E; + lc_symbol_freq = 409; + channel->symbolrate = 5056941; + iqm_rc_stretch = IQM_RC_STRETCH_QAM_B_64; + break; + default: + return -EINVAL; + } + } else { + adc_frequency = (common_attr->sys_clock_freq * 1000) / 3; + if (channel->symbolrate == 0) { + pr_err("error: channel symbolrate is zero!\n"); + return -EIO; + } + iqm_rc_rate = + (adc_frequency / channel->symbolrate) * (1 << 21) + + (frac28 + ((adc_frequency % channel->symbolrate), + channel->symbolrate) >> 7) - (1 << 23); + lc_symbol_freq = + (u16) (frac28 + (channel->symbolrate + + (adc_frequency >> 13), + adc_frequency) >> 16); + if (lc_symbol_freq > 511) + lc_symbol_freq = 511; + + iqm_rc_stretch = 21; + } + + if (ext_attr->standard == DRX_STANDARD_ITU_A) { + set_env_parameters = QAM_TOP_ANNEX_A; /* annex */ + set_param_parameters[0] = channel->constellation; /* constellation */ + set_param_parameters[1] = DRX_INTERLEAVEMODE_I12_J17; /* interleave mode */ + } else if (ext_attr->standard == DRX_STANDARD_ITU_B) { + set_env_parameters = QAM_TOP_ANNEX_B; /* annex */ + set_param_parameters[0] = channel->constellation; /* constellation */ + set_param_parameters[1] = channel->interleavemode; /* interleave mode */ + } else if (ext_attr->standard == DRX_STANDARD_ITU_C) { + set_env_parameters = QAM_TOP_ANNEX_C; /* annex */ + set_param_parameters[0] = channel->constellation; /* constellation */ + set_param_parameters[1] = DRX_INTERLEAVEMODE_I12_J17; /* interleave mode */ + } else { + return -EINVAL; + } + } + + if (op & QAM_SET_OP_ALL) { + /* + STEP 1: reset demodulator + resets IQM, QAM and FEC HW blocks + resets SCU variables + */ + /* stop all comm_exec */ + rc = drxj_dap_write_reg16(dev_addr, FEC_COMM_EXEC__A, FEC_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_COMM_EXEC__A, QAM_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_FS_COMM_EXEC__A, IQM_FS_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_FD_COMM_EXEC__A, IQM_FD_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_RC_COMM_EXEC__A, IQM_RC_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_RT_COMM_EXEC__A, IQM_RT_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_CF_COMM_EXEC__A, IQM_CF_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + cmd_scu.command = SCU_RAM_COMMAND_STANDARD_QAM | + SCU_RAM_COMMAND_CMD_DEMOD_RESET; + cmd_scu.parameter_len = 0; + cmd_scu.result_len = 1; + cmd_scu.parameter = NULL; + cmd_scu.result = &cmd_result; + rc = scu_command(dev_addr, &cmd_scu); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + if ((op & QAM_SET_OP_ALL) || (op & QAM_SET_OP_CONSTELLATION)) { + /* + STEP 2: configure demodulator + -set env + -set params (resets IQM,QAM,FEC HW; initializes some SCU variables ) + */ + cmd_scu.command = SCU_RAM_COMMAND_STANDARD_QAM | + SCU_RAM_COMMAND_CMD_DEMOD_SET_ENV; + cmd_scu.parameter_len = 1; + cmd_scu.result_len = 1; + cmd_scu.parameter = &set_env_parameters; + cmd_scu.result = &cmd_result; + rc = scu_command(dev_addr, &cmd_scu); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + cmd_scu.command = SCU_RAM_COMMAND_STANDARD_QAM | + SCU_RAM_COMMAND_CMD_DEMOD_SET_PARAM; + cmd_scu.parameter_len = 2; + cmd_scu.result_len = 1; + cmd_scu.parameter = set_param_parameters; + cmd_scu.result = &cmd_result; + rc = scu_command(dev_addr, &cmd_scu); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* set symbol rate */ + rc = drxdap_fasi_write_reg32(dev_addr, IQM_RC_RATE_OFS_LO__A, iqm_rc_rate, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + ext_attr->iqm_rc_rate_ofs = iqm_rc_rate; + rc = set_qam_measurement(demod, channel->constellation, channel->symbolrate); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + /* STEP 3: enable the system in a mode where the ADC provides valid signal + setup constellation independent registers */ + /* from qam_cmd.py script (qam_driver_b) */ + /* TODO: remove re-writes of HW reset values */ + if ((op & QAM_SET_OP_ALL) || (op & QAM_SET_OP_SPECTRUM)) { + rc = set_frequency(demod, channel, tuner_freq_offset); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + if ((op & QAM_SET_OP_ALL) || (op & QAM_SET_OP_CONSTELLATION)) { + + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_SYMBOL_FREQ__A, lc_symbol_freq, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_RC_STRETCH__A, iqm_rc_stretch, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + if (op & QAM_SET_OP_ALL) { + if (!ext_attr->has_lna) { + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_AMUX__A, 0x02, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + rc = drxj_dap_write_reg16(dev_addr, IQM_CF_SYMMETRIC__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_CF_MIDTAP__A, 3, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_CF_OUT_ENA__A, IQM_CF_OUT_ENA_QAM__M, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_WR_RSV_0__A, 0x5f, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /* scu temporary shut down agc */ + + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_SYNC_SEL__A, 3, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_CLP_LEN__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_CLP_TH__A, 448, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_SNS_LEN__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_PDREF__A, 4, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_STDBY__A, 0x10, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_PGA_GAIN__A, 11, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, IQM_CF_POW_MEAS_LEN__A, 1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_CF_SCALE_SH__A, IQM_CF_SCALE_SH__PRE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /*! reset default val ! */ + + rc = drxj_dap_write_reg16(dev_addr, QAM_SY_TIMEOUT__A, QAM_SY_TIMEOUT__PRE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /*! reset default val ! */ + if (ext_attr->standard == DRX_STANDARD_ITU_B) { + rc = drxj_dap_write_reg16(dev_addr, QAM_SY_SYNC_LWM__A, QAM_SY_SYNC_LWM__PRE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /*! reset default val ! */ + rc = drxj_dap_write_reg16(dev_addr, QAM_SY_SYNC_AWM__A, QAM_SY_SYNC_AWM__PRE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /*! reset default val ! */ + rc = drxj_dap_write_reg16(dev_addr, QAM_SY_SYNC_HWM__A, QAM_SY_SYNC_HWM__PRE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /*! reset default val ! */ + } else { + switch (channel->constellation) { + case DRX_CONSTELLATION_QAM16: + case DRX_CONSTELLATION_QAM64: + case DRX_CONSTELLATION_QAM256: + rc = drxj_dap_write_reg16(dev_addr, QAM_SY_SYNC_LWM__A, 0x03, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_SY_SYNC_AWM__A, 0x04, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_SY_SYNC_HWM__A, QAM_SY_SYNC_HWM__PRE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /*! reset default val ! */ + break; + case DRX_CONSTELLATION_QAM32: + case DRX_CONSTELLATION_QAM128: + rc = drxj_dap_write_reg16(dev_addr, QAM_SY_SYNC_LWM__A, 0x03, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_SY_SYNC_AWM__A, 0x05, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_SY_SYNC_HWM__A, 0x06, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + default: + return -EIO; + } /* switch */ + } + + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_MODE__A, QAM_LC_MODE__PRE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /*! reset default val ! */ + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_RATE_LIMIT__A, 3, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_LPF_FACTORP__A, 4, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_LPF_FACTORI__A, 4, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_MODE__A, 7, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_QUAL_TAB0__A, 1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_QUAL_TAB1__A, 1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_QUAL_TAB2__A, 1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_QUAL_TAB3__A, 1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_QUAL_TAB4__A, 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_QUAL_TAB5__A, 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_QUAL_TAB6__A, 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_QUAL_TAB8__A, 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_QUAL_TAB9__A, 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_QUAL_TAB10__A, 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_QUAL_TAB12__A, 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_QUAL_TAB15__A, 3, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_QUAL_TAB16__A, 3, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_QUAL_TAB20__A, 4, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_QUAL_TAB25__A, 4, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, IQM_FS_ADJ_SEL__A, 1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_RC_ADJ_SEL__A, 1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_CF_ADJ_SEL__A, 1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_CF_POW_MEAS_LEN__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_GPIO__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* No more resets of the IQM, current standard correctly set => + now AGCs can be configured. */ + /* turn on IQMAF. It has to be in front of setAgc**() */ + rc = set_iqm_af(demod, true); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = adc_synchronization(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = init_agc(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = set_agc_if(demod, &(ext_attr->qam_if_agc_cfg), false); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = set_agc_rf(demod, &(ext_attr->qam_rf_agc_cfg), false); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + { + /* TODO fix this, store a struct drxj_cfg_afe_gain structure in struct drxj_data instead + of only the gain */ + struct drxj_cfg_afe_gain qam_pga_cfg = { DRX_STANDARD_ITU_B, 0 }; + + qam_pga_cfg.gain = ext_attr->qam_pga_cfg; + rc = ctrl_set_cfg_afe_gain(demod, &qam_pga_cfg); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + rc = ctrl_set_cfg_pre_saw(demod, &(ext_attr->qam_pre_saw_cfg)); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + if ((op & QAM_SET_OP_ALL) || (op & QAM_SET_OP_CONSTELLATION)) { + if (ext_attr->standard == DRX_STANDARD_ITU_A) { + rc = drxdap_fasi_write_block(dev_addr, IQM_CF_TAP_RE0__A, sizeof(qam_a_taps), ((u8 *)qam_a_taps), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxdap_fasi_write_block(dev_addr, IQM_CF_TAP_IM0__A, sizeof(qam_a_taps), ((u8 *)qam_a_taps), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } else if (ext_attr->standard == DRX_STANDARD_ITU_B) { + switch (channel->constellation) { + case DRX_CONSTELLATION_QAM64: + rc = drxdap_fasi_write_block(dev_addr, IQM_CF_TAP_RE0__A, sizeof(qam_b64_taps), ((u8 *)qam_b64_taps), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxdap_fasi_write_block(dev_addr, IQM_CF_TAP_IM0__A, sizeof(qam_b64_taps), ((u8 *)qam_b64_taps), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + case DRX_CONSTELLATION_QAM256: + rc = drxdap_fasi_write_block(dev_addr, IQM_CF_TAP_RE0__A, sizeof(qam_b256_taps), ((u8 *)qam_b256_taps), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxdap_fasi_write_block(dev_addr, IQM_CF_TAP_IM0__A, sizeof(qam_b256_taps), ((u8 *)qam_b256_taps), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + default: + return -EIO; + } + } else if (ext_attr->standard == DRX_STANDARD_ITU_C) { + rc = drxdap_fasi_write_block(dev_addr, IQM_CF_TAP_RE0__A, sizeof(qam_c_taps), ((u8 *)qam_c_taps), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxdap_fasi_write_block(dev_addr, IQM_CF_TAP_IM0__A, sizeof(qam_c_taps), ((u8 *)qam_c_taps), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + /* SETP 4: constellation specific setup */ + switch (channel->constellation) { + case DRX_CONSTELLATION_QAM16: + rc = set_qam16(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + case DRX_CONSTELLATION_QAM32: + rc = set_qam32(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + case DRX_CONSTELLATION_QAM64: + rc = set_qam64(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + case DRX_CONSTELLATION_QAM128: + rc = set_qam128(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + case DRX_CONSTELLATION_QAM256: + rc = set_qam256(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + default: + return -EIO; + } /* switch */ + } + + if ((op & QAM_SET_OP_ALL)) { + rc = drxj_dap_write_reg16(dev_addr, IQM_CF_SCALE_SH__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Mpeg output has to be in front of FEC active */ + rc = set_mpegtei_handling(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = bit_reverse_mpeg_output(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = set_mpeg_start_width(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + { + /* TODO: move to set_standard after hardware reset value problem is solved */ + /* Configure initial MPEG output */ + struct drx_cfg_mpeg_output cfg_mpeg_output; + + memcpy(&cfg_mpeg_output, &common_attr->mpeg_cfg, sizeof(cfg_mpeg_output)); + cfg_mpeg_output.enable_mpeg_output = true; + + rc = ctrl_set_cfg_mpeg_output(demod, &cfg_mpeg_output); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + } + + if ((op & QAM_SET_OP_ALL) || (op & QAM_SET_OP_CONSTELLATION)) { + + /* STEP 5: start QAM demodulator (starts FEC, QAM and IQM HW) */ + cmd_scu.command = SCU_RAM_COMMAND_STANDARD_QAM | + SCU_RAM_COMMAND_CMD_DEMOD_START; + cmd_scu.parameter_len = 0; + cmd_scu.result_len = 1; + cmd_scu.parameter = NULL; + cmd_scu.result = &cmd_result; + rc = scu_command(dev_addr, &cmd_scu); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + rc = drxj_dap_write_reg16(dev_addr, IQM_COMM_EXEC__A, IQM_COMM_EXEC_ACTIVE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_COMM_EXEC__A, QAM_COMM_EXEC_ACTIVE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, FEC_COMM_EXEC__A, FEC_COMM_EXEC_ACTIVE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; +rw_error: + return rc; +} + +/*============================================================================*/ +static int ctrl_get_qam_sig_quality(struct drx_demod_instance *demod); + +static int qam_flip_spec(struct drx_demod_instance *demod, struct drx_channel *channel) +{ + struct i2c_device_addr *dev_addr = demod->my_i2c_dev_addr; + struct drxj_data *ext_attr = demod->my_ext_attr; + int rc; + u32 iqm_fs_rate_ofs = 0; + u32 iqm_fs_rate_lo = 0; + u16 qam_ctl_ena = 0; + u16 data = 0; + u16 equ_mode = 0; + u16 fsm_state = 0; + int i = 0; + int ofsofs = 0; + + /* Silence the controlling of lc, equ, and the acquisition state machine */ + rc = drxj_dap_read_reg16(dev_addr, SCU_RAM_QAM_CTL_ENA__A, &qam_ctl_ena, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_CTL_ENA__A, qam_ctl_ena & ~(SCU_RAM_QAM_CTL_ENA_ACQ__M | SCU_RAM_QAM_CTL_ENA_EQU__M | SCU_RAM_QAM_CTL_ENA_LC__M), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* freeze the frequency control loop */ + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_CF__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_CF1__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_atomic_read_reg32(dev_addr, IQM_FS_RATE_OFS_LO__A, &iqm_fs_rate_ofs, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_atomic_read_reg32(dev_addr, IQM_FS_RATE_LO__A, &iqm_fs_rate_lo, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + ofsofs = iqm_fs_rate_lo - iqm_fs_rate_ofs; + iqm_fs_rate_ofs = ~iqm_fs_rate_ofs + 1; + iqm_fs_rate_ofs -= 2 * ofsofs; + + /* freeze dq/fq updating */ + rc = drxj_dap_read_reg16(dev_addr, QAM_DQ_MODE__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + data = (data & 0xfff9); + rc = drxj_dap_write_reg16(dev_addr, QAM_DQ_MODE__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_FQ_MODE__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* lc_cp / _ci / _ca */ + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_CI__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_LC_EP__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_FQ_LA_FACTOR__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* flip the spec */ + rc = drxdap_fasi_write_reg32(dev_addr, IQM_FS_RATE_OFS_LO__A, iqm_fs_rate_ofs, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + ext_attr->iqm_fs_rate_ofs = iqm_fs_rate_ofs; + ext_attr->pos_image = (ext_attr->pos_image) ? false : true; + + /* freeze dq/fq updating */ + rc = drxj_dap_read_reg16(dev_addr, QAM_DQ_MODE__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + equ_mode = data; + data = (data & 0xfff9); + rc = drxj_dap_write_reg16(dev_addr, QAM_DQ_MODE__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_FQ_MODE__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + for (i = 0; i < 28; i++) { + rc = drxj_dap_read_reg16(dev_addr, QAM_DQ_TAP_IM_EL0__A + (2 * i), &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_DQ_TAP_IM_EL0__A + (2 * i), -data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + for (i = 0; i < 24; i++) { + rc = drxj_dap_read_reg16(dev_addr, QAM_FQ_TAP_IM_EL0__A + (2 * i), &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_FQ_TAP_IM_EL0__A + (2 * i), -data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + data = equ_mode; + rc = drxj_dap_write_reg16(dev_addr, QAM_DQ_MODE__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, QAM_FQ_MODE__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_FSM_STATE_TGT__A, 4, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + i = 0; + while ((fsm_state != 4) && (i++ < 100)) { + rc = drxj_dap_read_reg16(dev_addr, SCU_RAM_QAM_FSM_STATE__A, &fsm_state, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_QAM_CTL_ENA__A, (qam_ctl_ena | 0x0016), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; +rw_error: + return rc; + +} + +#define NO_LOCK 0x0 +#define DEMOD_LOCKED 0x1 +#define SYNC_FLIPPED 0x2 +#define SPEC_MIRRORED 0x4 +/* +* \fn int qam64auto () +* \brief auto do sync pattern switching and mirroring. +* \param demod: instance of demod. +* \param channel: pointer to channel data. +* \param tuner_freq_offset: tuner frequency offset. +* \param lock_status: pointer to lock status. +* \return int. +*/ +static int +qam64auto(struct drx_demod_instance *demod, + struct drx_channel *channel, + s32 tuner_freq_offset, enum drx_lock_status *lock_status) +{ + struct drxj_data *ext_attr = demod->my_ext_attr; + struct i2c_device_addr *dev_addr = demod->my_i2c_dev_addr; + struct drx39xxj_state *state = dev_addr->user_data; + struct dtv_frontend_properties *p = &state->frontend.dtv_property_cache; + int rc; + u32 lck_state = NO_LOCK; + u32 start_time = 0; + u32 d_locked_time = 0; + u32 timeout_ofs = 0; + u16 data = 0; + + /* external attributes for storing acquired channel constellation */ + *lock_status = DRX_NOT_LOCKED; + start_time = jiffies_to_msecs(jiffies); + lck_state = NO_LOCK; + do { + rc = ctrl_lock_status(demod, lock_status); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + switch (lck_state) { + case NO_LOCK: + if (*lock_status == DRXJ_DEMOD_LOCK) { + rc = ctrl_get_qam_sig_quality(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (p->cnr.stat[0].svalue > 20800) { + lck_state = DEMOD_LOCKED; + /* some delay to see if fec_lock possible TODO find the right value */ + timeout_ofs += DRXJ_QAM_DEMOD_LOCK_EXT_WAITTIME; /* see something, waiting longer */ + d_locked_time = jiffies_to_msecs(jiffies); + } + } + break; + case DEMOD_LOCKED: + if ((*lock_status == DRXJ_DEMOD_LOCK) && /* still demod_lock in 150ms */ + ((jiffies_to_msecs(jiffies) - d_locked_time) > + DRXJ_QAM_FEC_LOCK_WAITTIME)) { + rc = drxj_dap_read_reg16(demod->my_i2c_dev_addr, QAM_SY_TIMEOUT__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, QAM_SY_TIMEOUT__A, data | 0x1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + lck_state = SYNC_FLIPPED; + msleep(10); + } + break; + case SYNC_FLIPPED: + if (*lock_status == DRXJ_DEMOD_LOCK) { + if (channel->mirror == DRX_MIRROR_AUTO) { + /* flip sync pattern back */ + rc = drxj_dap_read_reg16(demod->my_i2c_dev_addr, QAM_SY_TIMEOUT__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, QAM_SY_TIMEOUT__A, data & 0xFFFE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* flip spectrum */ + ext_attr->mirror = DRX_MIRROR_YES; + rc = qam_flip_spec(demod, channel); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + lck_state = SPEC_MIRRORED; + /* reset timer TODO: still need 500ms? */ + start_time = d_locked_time = + jiffies_to_msecs(jiffies); + timeout_ofs = 0; + } else { /* no need to wait lock */ + + start_time = + jiffies_to_msecs(jiffies) - + DRXJ_QAM_MAX_WAITTIME - timeout_ofs; + } + } + break; + case SPEC_MIRRORED: + if ((*lock_status == DRXJ_DEMOD_LOCK) && /* still demod_lock in 150ms */ + ((jiffies_to_msecs(jiffies) - d_locked_time) > + DRXJ_QAM_FEC_LOCK_WAITTIME)) { + rc = ctrl_get_qam_sig_quality(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (p->cnr.stat[0].svalue > 20800) { + rc = drxj_dap_read_reg16(demod->my_i2c_dev_addr, QAM_SY_TIMEOUT__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, QAM_SY_TIMEOUT__A, data | 0x1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* no need to wait lock */ + start_time = + jiffies_to_msecs(jiffies) - + DRXJ_QAM_MAX_WAITTIME - timeout_ofs; + } + } + break; + default: + break; + } + msleep(10); + } while + ((*lock_status != DRX_LOCKED) && + (*lock_status != DRX_NEVER_LOCK) && + ((jiffies_to_msecs(jiffies) - start_time) < + (DRXJ_QAM_MAX_WAITTIME + timeout_ofs)) + ); + /* Returning control to application ... */ + + return 0; +rw_error: + return rc; +} + +/* +* \fn int qam256auto () +* \brief auto do sync pattern switching and mirroring. +* \param demod: instance of demod. +* \param channel: pointer to channel data. +* \param tuner_freq_offset: tuner frequency offset. +* \param lock_status: pointer to lock status. +* \return int. +*/ +static int +qam256auto(struct drx_demod_instance *demod, + struct drx_channel *channel, + s32 tuner_freq_offset, enum drx_lock_status *lock_status) +{ + struct drxj_data *ext_attr = demod->my_ext_attr; + struct i2c_device_addr *dev_addr = demod->my_i2c_dev_addr; + struct drx39xxj_state *state = dev_addr->user_data; + struct dtv_frontend_properties *p = &state->frontend.dtv_property_cache; + int rc; + u32 lck_state = NO_LOCK; + u32 start_time = 0; + u32 d_locked_time = 0; + u32 timeout_ofs = DRXJ_QAM_DEMOD_LOCK_EXT_WAITTIME; + + /* external attributes for storing acquired channel constellation */ + *lock_status = DRX_NOT_LOCKED; + start_time = jiffies_to_msecs(jiffies); + lck_state = NO_LOCK; + do { + rc = ctrl_lock_status(demod, lock_status); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + switch (lck_state) { + case NO_LOCK: + if (*lock_status == DRXJ_DEMOD_LOCK) { + rc = ctrl_get_qam_sig_quality(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (p->cnr.stat[0].svalue > 26800) { + lck_state = DEMOD_LOCKED; + timeout_ofs += DRXJ_QAM_DEMOD_LOCK_EXT_WAITTIME; /* see something, wait longer */ + d_locked_time = jiffies_to_msecs(jiffies); + } + } + break; + case DEMOD_LOCKED: + if (*lock_status == DRXJ_DEMOD_LOCK) { + if ((channel->mirror == DRX_MIRROR_AUTO) && + ((jiffies_to_msecs(jiffies) - d_locked_time) > + DRXJ_QAM_FEC_LOCK_WAITTIME)) { + ext_attr->mirror = DRX_MIRROR_YES; + rc = qam_flip_spec(demod, channel); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + lck_state = SPEC_MIRRORED; + /* reset timer TODO: still need 300ms? */ + start_time = jiffies_to_msecs(jiffies); + timeout_ofs = -DRXJ_QAM_MAX_WAITTIME / 2; + } + } + break; + case SPEC_MIRRORED: + break; + default: + break; + } + msleep(10); + } while + ((*lock_status < DRX_LOCKED) && + (*lock_status != DRX_NEVER_LOCK) && + ((jiffies_to_msecs(jiffies) - start_time) < + (DRXJ_QAM_MAX_WAITTIME + timeout_ofs))); + + return 0; +rw_error: + return rc; +} + +/* +* \fn int set_qam_channel () +* \brief Set QAM channel according to the requested constellation. +* \param demod: instance of demod. +* \param channel: pointer to channel data. +* \return int. +*/ +static int +set_qam_channel(struct drx_demod_instance *demod, + struct drx_channel *channel, s32 tuner_freq_offset) +{ + struct drxj_data *ext_attr = NULL; + int rc; + enum drx_lock_status lock_status = DRX_NOT_LOCKED; + bool auto_flag = false; + + /* external attributes for storing acquired channel constellation */ + ext_attr = (struct drxj_data *) demod->my_ext_attr; + + /* set QAM channel constellation */ + switch (channel->constellation) { + case DRX_CONSTELLATION_QAM16: + case DRX_CONSTELLATION_QAM32: + case DRX_CONSTELLATION_QAM128: + return -EINVAL; + case DRX_CONSTELLATION_QAM64: + case DRX_CONSTELLATION_QAM256: + if (ext_attr->standard != DRX_STANDARD_ITU_B) + return -EINVAL; + + ext_attr->constellation = channel->constellation; + if (channel->mirror == DRX_MIRROR_AUTO) + ext_attr->mirror = DRX_MIRROR_NO; + else + ext_attr->mirror = channel->mirror; + + rc = set_qam(demod, channel, tuner_freq_offset, QAM_SET_OP_ALL); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + if (channel->constellation == DRX_CONSTELLATION_QAM64) + rc = qam64auto(demod, channel, tuner_freq_offset, + &lock_status); + else + rc = qam256auto(demod, channel, tuner_freq_offset, + &lock_status); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + case DRX_CONSTELLATION_AUTO: /* for channel scan */ + if (ext_attr->standard == DRX_STANDARD_ITU_B) { + u16 qam_ctl_ena = 0; + + auto_flag = true; + + /* try to lock default QAM constellation: QAM256 */ + channel->constellation = DRX_CONSTELLATION_QAM256; + ext_attr->constellation = DRX_CONSTELLATION_QAM256; + if (channel->mirror == DRX_MIRROR_AUTO) + ext_attr->mirror = DRX_MIRROR_NO; + else + ext_attr->mirror = channel->mirror; + rc = set_qam(demod, channel, tuner_freq_offset, + QAM_SET_OP_ALL); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = qam256auto(demod, channel, tuner_freq_offset, + &lock_status); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + if (lock_status >= DRX_LOCKED) { + channel->constellation = DRX_CONSTELLATION_AUTO; + break; + } + + /* QAM254 not locked. Try QAM64 constellation */ + channel->constellation = DRX_CONSTELLATION_QAM64; + ext_attr->constellation = DRX_CONSTELLATION_QAM64; + if (channel->mirror == DRX_MIRROR_AUTO) + ext_attr->mirror = DRX_MIRROR_NO; + else + ext_attr->mirror = channel->mirror; + + rc = drxj_dap_read_reg16(demod->my_i2c_dev_addr, + SCU_RAM_QAM_CTL_ENA__A, + &qam_ctl_ena, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, + SCU_RAM_QAM_CTL_ENA__A, + qam_ctl_ena & ~SCU_RAM_QAM_CTL_ENA_ACQ__M, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, + SCU_RAM_QAM_FSM_STATE_TGT__A, + 0x2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /* force to rate hunting */ + + rc = set_qam(demod, channel, tuner_freq_offset, + QAM_SET_OP_CONSTELLATION); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, + SCU_RAM_QAM_CTL_ENA__A, + qam_ctl_ena, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = qam64auto(demod, channel, tuner_freq_offset, + &lock_status); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + channel->constellation = DRX_CONSTELLATION_AUTO; + } else if (ext_attr->standard == DRX_STANDARD_ITU_C) { + u16 qam_ctl_ena = 0; + + channel->constellation = DRX_CONSTELLATION_QAM64; + ext_attr->constellation = DRX_CONSTELLATION_QAM64; + auto_flag = true; + + if (channel->mirror == DRX_MIRROR_AUTO) + ext_attr->mirror = DRX_MIRROR_NO; + else + ext_attr->mirror = channel->mirror; + rc = drxj_dap_read_reg16(demod->my_i2c_dev_addr, + SCU_RAM_QAM_CTL_ENA__A, + &qam_ctl_ena, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, + SCU_RAM_QAM_CTL_ENA__A, + qam_ctl_ena & ~SCU_RAM_QAM_CTL_ENA_ACQ__M, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, + SCU_RAM_QAM_FSM_STATE_TGT__A, + 0x2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /* force to rate hunting */ + + rc = set_qam(demod, channel, tuner_freq_offset, + QAM_SET_OP_CONSTELLATION); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(demod->my_i2c_dev_addr, + SCU_RAM_QAM_CTL_ENA__A, + qam_ctl_ena, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = qam64auto(demod, channel, tuner_freq_offset, + &lock_status); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + channel->constellation = DRX_CONSTELLATION_AUTO; + } else { + return -EINVAL; + } + break; + default: + return -EINVAL; + } + + return 0; +rw_error: + /* restore starting value */ + if (auto_flag) + channel->constellation = DRX_CONSTELLATION_AUTO; + return rc; +} + +/*============================================================================*/ + +/* +* \fn static short get_qamrs_err_count(struct i2c_device_addr *dev_addr) +* \brief Get RS error count in QAM mode (used for post RS BER calculation) +* \return Error code +* +* precondition: measurement period & measurement prescale must be set +* +*/ +static int +get_qamrs_err_count(struct i2c_device_addr *dev_addr, + struct drxjrs_errors *rs_errors) +{ + int rc; + u16 nr_bit_errors = 0, + nr_symbol_errors = 0, + nr_packet_errors = 0, nr_failures = 0, nr_snc_par_fail_count = 0; + + /* check arguments */ + if (dev_addr == NULL) + return -EINVAL; + + /* all reported errors are received in the */ + /* most recently finished measurement period */ + /* no of pre RS bit errors */ + rc = drxj_dap_read_reg16(dev_addr, FEC_RS_NR_BIT_ERRORS__A, &nr_bit_errors, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* no of symbol errors */ + rc = drxj_dap_read_reg16(dev_addr, FEC_RS_NR_SYMBOL_ERRORS__A, &nr_symbol_errors, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* no of packet errors */ + rc = drxj_dap_read_reg16(dev_addr, FEC_RS_NR_PACKET_ERRORS__A, &nr_packet_errors, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* no of failures to decode */ + rc = drxj_dap_read_reg16(dev_addr, FEC_RS_NR_FAILURES__A, &nr_failures, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* no of post RS bit erros */ + rc = drxj_dap_read_reg16(dev_addr, FEC_OC_SNC_FAIL_COUNT__A, &nr_snc_par_fail_count, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* TODO: NOTE */ + /* These register values are fetched in non-atomic fashion */ + /* It is possible that the read values contain unrelated information */ + + rs_errors->nr_bit_errors = nr_bit_errors & FEC_RS_NR_BIT_ERRORS__M; + rs_errors->nr_symbol_errors = nr_symbol_errors & FEC_RS_NR_SYMBOL_ERRORS__M; + rs_errors->nr_packet_errors = nr_packet_errors & FEC_RS_NR_PACKET_ERRORS__M; + rs_errors->nr_failures = nr_failures & FEC_RS_NR_FAILURES__M; + rs_errors->nr_snc_par_fail_count = + nr_snc_par_fail_count & FEC_OC_SNC_FAIL_COUNT__M; + + return 0; +rw_error: + return rc; +} + +/*============================================================================*/ + +/* + * \fn int get_sig_strength() + * \brief Retrieve signal strength for VSB and QAM. + * \param demod Pointer to demod instance + * \param u16-t Pointer to signal strength data; range 0, .. , 100. + * \return int. + * \retval 0 sig_strength contains valid data. + * \retval -EINVAL sig_strength is NULL. + * \retval -EIO Erroneous data, sig_strength contains invalid data. + */ +#define DRXJ_AGC_TOP 0x2800 +#define DRXJ_AGC_SNS 0x1600 +#define DRXJ_RFAGC_MAX 0x3fff +#define DRXJ_RFAGC_MIN 0x800 + +static int get_sig_strength(struct drx_demod_instance *demod, u16 *sig_strength) +{ + struct i2c_device_addr *dev_addr = demod->my_i2c_dev_addr; + int rc; + u16 rf_gain = 0; + u16 if_gain = 0; + u16 if_agc_sns = 0; + u16 if_agc_top = 0; + u16 rf_agc_max = 0; + u16 rf_agc_min = 0; + + rc = drxj_dap_read_reg16(dev_addr, IQM_AF_AGC_IF__A, &if_gain, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if_gain &= IQM_AF_AGC_IF__M; + rc = drxj_dap_read_reg16(dev_addr, IQM_AF_AGC_RF__A, &rf_gain, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rf_gain &= IQM_AF_AGC_RF__M; + + if_agc_sns = DRXJ_AGC_SNS; + if_agc_top = DRXJ_AGC_TOP; + rf_agc_max = DRXJ_RFAGC_MAX; + rf_agc_min = DRXJ_RFAGC_MIN; + + if (if_gain > if_agc_top) { + if (rf_gain > rf_agc_max) + *sig_strength = 100; + else if (rf_gain > rf_agc_min) { + if (rf_agc_max == rf_agc_min) { + pr_err("error: rf_agc_max == rf_agc_min\n"); + return -EIO; + } + *sig_strength = + 75 + 25 * (rf_gain - rf_agc_min) / (rf_agc_max - + rf_agc_min); + } else + *sig_strength = 75; + } else if (if_gain > if_agc_sns) { + if (if_agc_top == if_agc_sns) { + pr_err("error: if_agc_top == if_agc_sns\n"); + return -EIO; + } + *sig_strength = + 20 + 55 * (if_gain - if_agc_sns) / (if_agc_top - if_agc_sns); + } else { + if (!if_agc_sns) { + pr_err("error: if_agc_sns is zero!\n"); + return -EIO; + } + *sig_strength = (20 * if_gain / if_agc_sns); + } + + if (*sig_strength <= 7) + *sig_strength = 0; + + return 0; +rw_error: + return rc; +} + +/* +* \fn int ctrl_get_qam_sig_quality() +* \brief Retrieve QAM signal quality from device. +* \param devmod Pointer to demodulator instance. +* \param sig_quality Pointer to signal quality data. +* \return int. +* \retval 0 sig_quality contains valid data. +* \retval -EINVAL sig_quality is NULL. +* \retval -EIO Erroneous data, sig_quality contains invalid data. + +* Pre-condition: Device must be started and in lock. +*/ +static int +ctrl_get_qam_sig_quality(struct drx_demod_instance *demod) +{ + struct i2c_device_addr *dev_addr = demod->my_i2c_dev_addr; + struct drxj_data *ext_attr = demod->my_ext_attr; + struct drx39xxj_state *state = dev_addr->user_data; + struct dtv_frontend_properties *p = &state->frontend.dtv_property_cache; + struct drxjrs_errors measuredrs_errors = { 0, 0, 0, 0, 0 }; + enum drx_modulation constellation = ext_attr->constellation; + int rc; + + u32 pre_bit_err_rs = 0; /* pre RedSolomon Bit Error Rate */ + u32 post_bit_err_rs = 0; /* post RedSolomon Bit Error Rate */ + u32 pkt_errs = 0; /* no of packet errors in RS */ + u16 qam_sl_err_power = 0; /* accumulated error between raw and sliced symbols */ + u16 qsym_err_vd = 0; /* quadrature symbol errors in QAM_VD */ + u16 fec_oc_period = 0; /* SNC sync failure measurement period */ + u16 fec_rs_prescale = 0; /* ReedSolomon Measurement Prescale */ + u16 fec_rs_period = 0; /* Value for corresponding I2C register */ + /* calculation constants */ + u32 rs_bit_cnt = 0; /* RedSolomon Bit Count */ + u32 qam_sl_sig_power = 0; /* used for MER, depends of QAM constellation */ + /* intermediate results */ + u32 e = 0; /* exponent value used for QAM BER/SER */ + u32 m = 0; /* mantisa value used for QAM BER/SER */ + u32 ber_cnt = 0; /* BER count */ + /* signal quality info */ + u32 qam_sl_mer = 0; /* QAM MER */ + u32 qam_pre_rs_ber = 0; /* Pre RedSolomon BER */ + u32 qam_post_rs_ber = 0; /* Post RedSolomon BER */ + u32 qam_vd_ser = 0; /* ViterbiDecoder SER */ + u16 qam_vd_prescale = 0; /* Viterbi Measurement Prescale */ + u16 qam_vd_period = 0; /* Viterbi Measurement period */ + u32 vd_bit_cnt = 0; /* ViterbiDecoder Bit Count */ + + p->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + + /* read the physical registers */ + /* Get the RS error data */ + rc = get_qamrs_err_count(dev_addr, &measuredrs_errors); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* get the register value needed for MER */ + rc = drxj_dap_read_reg16(dev_addr, QAM_SL_ERR_POWER__A, &qam_sl_err_power, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* get the register value needed for post RS BER */ + rc = drxj_dap_read_reg16(dev_addr, FEC_OC_SNC_FAIL_PERIOD__A, &fec_oc_period, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* get constants needed for signal quality calculation */ + fec_rs_period = ext_attr->fec_rs_period; + fec_rs_prescale = ext_attr->fec_rs_prescale; + rs_bit_cnt = fec_rs_period * fec_rs_prescale * ext_attr->fec_rs_plen; + qam_vd_period = ext_attr->qam_vd_period; + qam_vd_prescale = ext_attr->qam_vd_prescale; + vd_bit_cnt = qam_vd_period * qam_vd_prescale * ext_attr->fec_vd_plen; + + /* DRXJ_QAM_SL_SIG_POWER_QAMxxx * 4 */ + switch (constellation) { + case DRX_CONSTELLATION_QAM16: + qam_sl_sig_power = DRXJ_QAM_SL_SIG_POWER_QAM16 << 2; + break; + case DRX_CONSTELLATION_QAM32: + qam_sl_sig_power = DRXJ_QAM_SL_SIG_POWER_QAM32 << 2; + break; + case DRX_CONSTELLATION_QAM64: + qam_sl_sig_power = DRXJ_QAM_SL_SIG_POWER_QAM64 << 2; + break; + case DRX_CONSTELLATION_QAM128: + qam_sl_sig_power = DRXJ_QAM_SL_SIG_POWER_QAM128 << 2; + break; + case DRX_CONSTELLATION_QAM256: + qam_sl_sig_power = DRXJ_QAM_SL_SIG_POWER_QAM256 << 2; + break; + default: + rc = -EIO; + goto rw_error; + } + + /* ------------------------------ */ + /* MER Calculation */ + /* ------------------------------ */ + /* MER is good if it is above 27.5 for QAM256 or 21.5 for QAM64 */ + + /* 10.0*log10(qam_sl_sig_power * 4.0 / qam_sl_err_power); */ + if (qam_sl_err_power == 0) + qam_sl_mer = 0; + else + qam_sl_mer = log1_times100(qam_sl_sig_power) - log1_times100((u32)qam_sl_err_power); + + /* ----------------------------------------- */ + /* Pre Viterbi Symbol Error Rate Calculation */ + /* ----------------------------------------- */ + /* pre viterbi SER is good if it is below 0.025 */ + + /* get the register value */ + /* no of quadrature symbol errors */ + rc = drxj_dap_read_reg16(dev_addr, QAM_VD_NR_QSYM_ERRORS__A, &qsym_err_vd, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* Extract the Exponent and the Mantisa */ + /* of number of quadrature symbol errors */ + e = (qsym_err_vd & QAM_VD_NR_QSYM_ERRORS_EXP__M) >> + QAM_VD_NR_QSYM_ERRORS_EXP__B; + m = (qsym_err_vd & QAM_VD_NR_SYMBOL_ERRORS_FIXED_MANT__M) >> + QAM_VD_NR_SYMBOL_ERRORS_FIXED_MANT__B; + + if ((m << e) >> 3 > 549752) + qam_vd_ser = 500000 * vd_bit_cnt * ((e > 2) ? 1 : 8) / 8; + else + qam_vd_ser = m << ((e > 2) ? (e - 3) : e); + + /* --------------------------------------- */ + /* pre and post RedSolomon BER Calculation */ + /* --------------------------------------- */ + /* pre RS BER is good if it is below 3.5e-4 */ + + /* get the register values */ + pre_bit_err_rs = (u32) measuredrs_errors.nr_bit_errors; + pkt_errs = post_bit_err_rs = (u32) measuredrs_errors.nr_snc_par_fail_count; + + /* Extract the Exponent and the Mantisa of the */ + /* pre Reed-Solomon bit error count */ + e = (pre_bit_err_rs & FEC_RS_NR_BIT_ERRORS_EXP__M) >> + FEC_RS_NR_BIT_ERRORS_EXP__B; + m = (pre_bit_err_rs & FEC_RS_NR_BIT_ERRORS_FIXED_MANT__M) >> + FEC_RS_NR_BIT_ERRORS_FIXED_MANT__B; + + ber_cnt = m << e; + + /*qam_pre_rs_ber = frac_times1e6( ber_cnt, rs_bit_cnt ); */ + if (m > (rs_bit_cnt >> (e + 1)) || (rs_bit_cnt >> e) == 0) + qam_pre_rs_ber = 500000 * rs_bit_cnt >> e; + else + qam_pre_rs_ber = ber_cnt; + + /* post RS BER = 1000000* (11.17 * FEC_OC_SNC_FAIL_COUNT__A) / */ + /* (1504.0 * FEC_OC_SNC_FAIL_PERIOD__A) */ + /* + => c = (1000000*100*11.17)/1504 = + post RS BER = (( c* FEC_OC_SNC_FAIL_COUNT__A) / + (100 * FEC_OC_SNC_FAIL_PERIOD__A) + *100 and /100 is for more precision. + => (20 bits * 12 bits) /(16 bits * 7 bits) => safe in 32 bits computation + + Precision errors still possible. + */ + if (!fec_oc_period) { + qam_post_rs_ber = 0xFFFFFFFF; + } else { + e = post_bit_err_rs * 742686; + m = fec_oc_period * 100; + qam_post_rs_ber = e / m; + } + + /* fill signal quality data structure */ + p->pre_bit_count.stat[0].scale = FE_SCALE_COUNTER; + p->post_bit_count.stat[0].scale = FE_SCALE_COUNTER; + p->pre_bit_error.stat[0].scale = FE_SCALE_COUNTER; + p->post_bit_error.stat[0].scale = FE_SCALE_COUNTER; + p->block_error.stat[0].scale = FE_SCALE_COUNTER; + p->cnr.stat[0].scale = FE_SCALE_DECIBEL; + + p->cnr.stat[0].svalue = ((u16) qam_sl_mer) * 100; + if (ext_attr->standard == DRX_STANDARD_ITU_B) { + p->pre_bit_error.stat[0].uvalue += qam_vd_ser; + p->pre_bit_count.stat[0].uvalue += vd_bit_cnt * ((e > 2) ? 1 : 8) / 8; + } else { + p->pre_bit_error.stat[0].uvalue += qam_pre_rs_ber; + p->pre_bit_count.stat[0].uvalue += rs_bit_cnt >> e; + } + + p->post_bit_error.stat[0].uvalue += qam_post_rs_ber; + p->post_bit_count.stat[0].uvalue += rs_bit_cnt >> e; + + p->block_error.stat[0].uvalue += pkt_errs; + +#ifdef DRXJ_SIGNAL_ACCUM_ERR + rc = get_acc_pkt_err(demod, &sig_quality->packet_error); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } +#endif + + return 0; +rw_error: + p->pre_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->pre_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + + return rc; +} + +#endif /* #ifndef DRXJ_VSB_ONLY */ + +/*============================================================================*/ +/*== END QAM DATAPATH FUNCTIONS ==*/ +/*============================================================================*/ + +/*============================================================================*/ +/*============================================================================*/ +/*== ATV DATAPATH FUNCTIONS ==*/ +/*============================================================================*/ +/*============================================================================*/ + +/* + Implementation notes. + + NTSC/FM AGCs + + Four AGCs are used for NTSC: + (1) RF (used to attenuate the input signal in case of to much power) + (2) IF (used to attenuate the input signal in case of to much power) + (3) Video AGC (used to amplify the output signal in case input to low) + (4) SIF AGC (used to amplify the output signal in case input to low) + + Video AGC is coupled to RF and IF. SIF AGC is not coupled. It is assumed + that the coupling between Video AGC and the RF and IF AGCs also works in + favor of the SIF AGC. + + Three AGCs are used for FM: + (1) RF (used to attenuate the input signal in case of to much power) + (2) IF (used to attenuate the input signal in case of to much power) + (3) SIF AGC (used to amplify the output signal in case input to low) + + The SIF AGC is now coupled to the RF/IF AGCs. + The SIF AGC is needed for both SIF output and the internal SIF signal to + the AUD block. + + RF and IF AGCs DACs are part of AFE, Video and SIF AGC DACs are part of + the ATV block. The AGC control algorithms are all implemented in + microcode. + + ATV SETTINGS + + (Shadow settings will not be used for now, they will be implemented + later on because of the schedule) + + Several HW/SCU "settings" can be used for ATV. The standard selection + will reset most of these settings. To avoid that the end user application + has to perform these settings each time the ATV or FM standards is + selected the driver will shadow these settings. This enables the end user + to perform the settings only once after a drx_open(). The driver must + write the shadow settings to HW/SCU in case: + ( setstandard FM/ATV) || + ( settings have changed && FM/ATV standard is active) + The shadow settings will be stored in the device specific data container. + A set of flags will be defined to flag changes in shadow settings. + A routine will be implemented to write all changed shadow settings to + HW/SCU. + + The "settings" will consist of: AGC settings, filter settings etc. + + Disadvantage of use of shadow settings: + Direct changes in HW/SCU registers will not be reflected in the + shadow settings and these changes will be overwritten during a next + update. This can happen during evaluation. This will not be a problem + for normal customer usage. +*/ +/* -------------------------------------------------------------------------- */ + +/* +* \fn int power_down_atv () +* \brief Power down ATV. +* \param demod instance of demodulator +* \param standard either NTSC or FM (sub strandard for ATV ) +* \return int. +* +* Stops and thus resets ATV and IQM block +* SIF and CVBS ADC are powered down +* Calls audio power down +*/ +static int +power_down_atv(struct drx_demod_instance *demod, enum drx_standard standard, bool primary) +{ + struct i2c_device_addr *dev_addr = demod->my_i2c_dev_addr; + struct drxjscu_cmd cmd_scu = { /* command */ 0, + /* parameter_len */ 0, + /* result_len */ 0, + /* *parameter */ NULL, + /* *result */ NULL + }; + int rc; + u16 cmd_result = 0; + + /* ATV NTSC */ + + /* Stop ATV SCU (will reset ATV and IQM hardware */ + cmd_scu.command = SCU_RAM_COMMAND_STANDARD_ATV | + SCU_RAM_COMMAND_CMD_DEMOD_STOP; + cmd_scu.parameter_len = 0; + cmd_scu.result_len = 1; + cmd_scu.parameter = NULL; + cmd_scu.result = &cmd_result; + rc = scu_command(dev_addr, &cmd_scu); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* Disable ATV outputs (ATV reset enables CVBS, undo this) */ + rc = drxj_dap_write_reg16(dev_addr, ATV_TOP_STDBY__A, (ATV_TOP_STDBY_SIF_STDBY_STANDBY & (~ATV_TOP_STDBY_CVBS_STDBY_A2_ACTIVE)), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, ATV_COMM_EXEC__A, ATV_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (primary) { + rc = drxj_dap_write_reg16(dev_addr, IQM_COMM_EXEC__A, IQM_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = set_iqm_af(demod, false); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } else { + rc = drxj_dap_write_reg16(dev_addr, IQM_FS_COMM_EXEC__A, IQM_FS_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_FD_COMM_EXEC__A, IQM_FD_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_RC_COMM_EXEC__A, IQM_RC_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_RT_COMM_EXEC__A, IQM_RT_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, IQM_CF_COMM_EXEC__A, IQM_CF_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + rc = power_down_aud(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; +rw_error: + return rc; +} + +/*============================================================================*/ + +/* +* \brief Power up AUD. +* \param demod instance of demodulator +* \return int. +* +*/ +static int power_down_aud(struct drx_demod_instance *demod) +{ + struct i2c_device_addr *dev_addr = NULL; + struct drxj_data *ext_attr = NULL; + int rc; + + dev_addr = (struct i2c_device_addr *)demod->my_i2c_dev_addr; + ext_attr = (struct drxj_data *) demod->my_ext_attr; + + rc = drxj_dap_write_reg16(dev_addr, AUD_COMM_EXEC__A, AUD_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + ext_attr->aud_data.audio_is_active = false; + + return 0; +rw_error: + return rc; +} + +/* +* \fn int set_orx_nsu_aox() +* \brief Configure OrxNsuAox for OOB +* \param demod instance of demodulator. +* \param active +* \return int. +*/ +static int set_orx_nsu_aox(struct drx_demod_instance *demod, bool active) +{ + struct i2c_device_addr *dev_addr = demod->my_i2c_dev_addr; + int rc; + u16 data = 0; + + /* Configure NSU_AOX */ + rc = drxj_dap_read_reg16(dev_addr, ORX_NSU_AOX_STDBY_W__A, &data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (!active) + data &= ((~ORX_NSU_AOX_STDBY_W_STDBYADC_A2_ON) & (~ORX_NSU_AOX_STDBY_W_STDBYAMP_A2_ON) & (~ORX_NSU_AOX_STDBY_W_STDBYBIAS_A2_ON) & (~ORX_NSU_AOX_STDBY_W_STDBYPLL_A2_ON) & (~ORX_NSU_AOX_STDBY_W_STDBYPD_A2_ON) & (~ORX_NSU_AOX_STDBY_W_STDBYTAGC_IF_A2_ON) & (~ORX_NSU_AOX_STDBY_W_STDBYTAGC_RF_A2_ON) & (~ORX_NSU_AOX_STDBY_W_STDBYFLT_A2_ON)); + else + data |= (ORX_NSU_AOX_STDBY_W_STDBYADC_A2_ON | ORX_NSU_AOX_STDBY_W_STDBYAMP_A2_ON | ORX_NSU_AOX_STDBY_W_STDBYBIAS_A2_ON | ORX_NSU_AOX_STDBY_W_STDBYPLL_A2_ON | ORX_NSU_AOX_STDBY_W_STDBYPD_A2_ON | ORX_NSU_AOX_STDBY_W_STDBYTAGC_IF_A2_ON | ORX_NSU_AOX_STDBY_W_STDBYTAGC_RF_A2_ON | ORX_NSU_AOX_STDBY_W_STDBYFLT_A2_ON); + rc = drxj_dap_write_reg16(dev_addr, ORX_NSU_AOX_STDBY_W__A, data, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + return 0; +rw_error: + return rc; +} + +/* +* \fn int ctrl_set_oob() +* \brief Set OOB channel to be used. +* \param demod instance of demodulator +* \param oob_param OOB parameters for channel setting. +* \frequency should be in KHz +* \return int. +* +* Accepts only. Returns error otherwise. +* Demapper value is written after scu_command START +* because START command causes COMM_EXEC transition +* from 0 to 1 which causes all registers to be +* overwritten with initial value +* +*/ + +/* Nyquist filter impulse response */ +#define IMPULSE_COSINE_ALPHA_0_3 {-3, -4, -1, 6, 10, 7, -5, -20, -25, -10, 29, 79, 123, 140} /*sqrt raised-cosine filter with alpha=0.3 */ +#define IMPULSE_COSINE_ALPHA_0_5 { 2, 0, -2, -2, 2, 5, 2, -10, -20, -14, 20, 74, 125, 145} /*sqrt raised-cosine filter with alpha=0.5 */ +#define IMPULSE_COSINE_ALPHA_RO_0_5 { 0, 0, 1, 2, 3, 0, -7, -15, -16, 0, 34, 77, 114, 128} /*full raised-cosine filter with alpha=0.5 (receiver only) */ + +/* Coefficients for the nyquist filter (total: 27 taps) */ +#define NYQFILTERLEN 27 + +static int ctrl_set_oob(struct drx_demod_instance *demod, struct drxoob *oob_param) +{ + int rc; + s32 freq = 0; /* KHz */ + struct i2c_device_addr *dev_addr = NULL; + struct drxj_data *ext_attr = NULL; + u16 i = 0; + bool mirror_freq_spect_oob = false; + u16 trk_filter_value = 0; + struct drxjscu_cmd scu_cmd; + u16 set_param_parameters[3]; + u16 cmd_result[2] = { 0, 0 }; + s16 nyquist_coeffs[4][(NYQFILTERLEN + 1) / 2] = { + IMPULSE_COSINE_ALPHA_0_3, /* Target Mode 0 */ + IMPULSE_COSINE_ALPHA_0_3, /* Target Mode 1 */ + IMPULSE_COSINE_ALPHA_0_5, /* Target Mode 2 */ + IMPULSE_COSINE_ALPHA_RO_0_5 /* Target Mode 3 */ + }; + u8 mode_val[4] = { 2, 2, 0, 1 }; + u8 pfi_coeffs[4][6] = { + {DRXJ_16TO8(-92), DRXJ_16TO8(-108), DRXJ_16TO8(100)}, /* TARGET_MODE = 0: PFI_A = -23/32; PFI_B = -54/32; PFI_C = 25/32; fg = 0.5 MHz (Att=26dB) */ + {DRXJ_16TO8(-64), DRXJ_16TO8(-80), DRXJ_16TO8(80)}, /* TARGET_MODE = 1: PFI_A = -16/32; PFI_B = -40/32; PFI_C = 20/32; fg = 1.0 MHz (Att=28dB) */ + {DRXJ_16TO8(-80), DRXJ_16TO8(-98), DRXJ_16TO8(92)}, /* TARGET_MODE = 2, 3: PFI_A = -20/32; PFI_B = -49/32; PFI_C = 23/32; fg = 0.8 MHz (Att=25dB) */ + {DRXJ_16TO8(-80), DRXJ_16TO8(-98), DRXJ_16TO8(92)} /* TARGET_MODE = 2, 3: PFI_A = -20/32; PFI_B = -49/32; PFI_C = 23/32; fg = 0.8 MHz (Att=25dB) */ + }; + u16 mode_index; + + dev_addr = demod->my_i2c_dev_addr; + ext_attr = (struct drxj_data *) demod->my_ext_attr; + mirror_freq_spect_oob = ext_attr->mirror_freq_spect_oob; + + /* Check parameters */ + if (oob_param == NULL) { + /* power off oob module */ + scu_cmd.command = SCU_RAM_COMMAND_STANDARD_OOB + | SCU_RAM_COMMAND_CMD_DEMOD_STOP; + scu_cmd.parameter_len = 0; + scu_cmd.result_len = 1; + scu_cmd.result = cmd_result; + rc = scu_command(dev_addr, &scu_cmd); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = set_orx_nsu_aox(demod, false); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, ORX_COMM_EXEC__A, ORX_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + ext_attr->oob_power_on = false; + return 0; + } + + freq = oob_param->frequency; + if ((freq < 70000) || (freq > 130000)) + return -EIO; + freq = (freq - 50000) / 50; + + { + u16 index = 0; + u16 remainder = 0; + u16 *trk_filtercfg = ext_attr->oob_trk_filter_cfg; + + index = (u16) ((freq - 400) / 200); + remainder = (u16) ((freq - 400) % 200); + trk_filter_value = + trk_filtercfg[index] - (trk_filtercfg[index] - + trk_filtercfg[index + + 1]) / 10 * remainder / + 20; + } + + /********/ + /* Stop */ + /********/ + rc = drxj_dap_write_reg16(dev_addr, ORX_COMM_EXEC__A, ORX_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + scu_cmd.command = SCU_RAM_COMMAND_STANDARD_OOB + | SCU_RAM_COMMAND_CMD_DEMOD_STOP; + scu_cmd.parameter_len = 0; + scu_cmd.result_len = 1; + scu_cmd.result = cmd_result; + rc = scu_command(dev_addr, &scu_cmd); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /********/ + /* Reset */ + /********/ + scu_cmd.command = SCU_RAM_COMMAND_STANDARD_OOB + | SCU_RAM_COMMAND_CMD_DEMOD_RESET; + scu_cmd.parameter_len = 0; + scu_cmd.result_len = 1; + scu_cmd.result = cmd_result; + rc = scu_command(dev_addr, &scu_cmd); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /**********/ + /* SET_ENV */ + /**********/ + /* set frequency, spectrum inversion and data rate */ + scu_cmd.command = SCU_RAM_COMMAND_STANDARD_OOB + | SCU_RAM_COMMAND_CMD_DEMOD_SET_ENV; + scu_cmd.parameter_len = 3; + /* 1-data rate;2-frequency */ + switch (oob_param->standard) { + case DRX_OOB_MODE_A: + if ( + /* signal is transmitted inverted */ + ((oob_param->spectrum_inverted == true) && + /* and tuner is not mirroring the signal */ + (!mirror_freq_spect_oob)) | + /* or */ + /* signal is transmitted noninverted */ + ((oob_param->spectrum_inverted == false) && + /* and tuner is mirroring the signal */ + (mirror_freq_spect_oob)) + ) + set_param_parameters[0] = + SCU_RAM_ORX_RF_RX_DATA_RATE_2048KBPS_INVSPEC; + else + set_param_parameters[0] = + SCU_RAM_ORX_RF_RX_DATA_RATE_2048KBPS_REGSPEC; + break; + case DRX_OOB_MODE_B_GRADE_A: + if ( + /* signal is transmitted inverted */ + ((oob_param->spectrum_inverted == true) && + /* and tuner is not mirroring the signal */ + (!mirror_freq_spect_oob)) | + /* or */ + /* signal is transmitted noninverted */ + ((oob_param->spectrum_inverted == false) && + /* and tuner is mirroring the signal */ + (mirror_freq_spect_oob)) + ) + set_param_parameters[0] = + SCU_RAM_ORX_RF_RX_DATA_RATE_1544KBPS_INVSPEC; + else + set_param_parameters[0] = + SCU_RAM_ORX_RF_RX_DATA_RATE_1544KBPS_REGSPEC; + break; + case DRX_OOB_MODE_B_GRADE_B: + default: + if ( + /* signal is transmitted inverted */ + ((oob_param->spectrum_inverted == true) && + /* and tuner is not mirroring the signal */ + (!mirror_freq_spect_oob)) | + /* or */ + /* signal is transmitted noninverted */ + ((oob_param->spectrum_inverted == false) && + /* and tuner is mirroring the signal */ + (mirror_freq_spect_oob)) + ) + set_param_parameters[0] = + SCU_RAM_ORX_RF_RX_DATA_RATE_3088KBPS_INVSPEC; + else + set_param_parameters[0] = + SCU_RAM_ORX_RF_RX_DATA_RATE_3088KBPS_REGSPEC; + break; + } + set_param_parameters[1] = (u16) (freq & 0xFFFF); + set_param_parameters[2] = trk_filter_value; + scu_cmd.parameter = set_param_parameters; + scu_cmd.result_len = 1; + scu_cmd.result = cmd_result; + mode_index = mode_val[(set_param_parameters[0] & 0xC0) >> 6]; + rc = scu_command(dev_addr, &scu_cmd); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SIO_TOP_COMM_KEY__A, 0xFABA, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /* Write magic word to enable pdr reg write */ + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_OOB_CRX_CFG__A, OOB_CRX_DRIVE_STRENGTH << SIO_PDR_OOB_CRX_CFG_DRIVE__B | 0x03 << SIO_PDR_OOB_CRX_CFG_MODE__B, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_PDR_OOB_DRX_CFG__A, OOB_DRX_DRIVE_STRENGTH << SIO_PDR_OOB_DRX_CFG_DRIVE__B | 0x03 << SIO_PDR_OOB_DRX_CFG_MODE__B, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_TOP_COMM_KEY__A, 0x0000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } /* Write magic word to disable pdr reg write */ + + rc = drxj_dap_write_reg16(dev_addr, ORX_TOP_COMM_KEY__A, 0, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, ORX_FWP_AAG_LEN_W__A, 16000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, ORX_FWP_AAG_THR_W__A, 40, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* ddc */ + rc = drxj_dap_write_reg16(dev_addr, ORX_DDC_OFO_SET_W__A, ORX_DDC_OFO_SET_W__PRE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* nsu */ + rc = drxj_dap_write_reg16(dev_addr, ORX_NSU_AOX_LOPOW_W__A, ext_attr->oob_lo_pow, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* initialization for target mode */ + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_TARGET_MODE__A, SCU_RAM_ORX_TARGET_MODE_2048KBPS_SQRT, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_FREQ_GAIN_CORR__A, SCU_RAM_ORX_FREQ_GAIN_CORR_2048KBPS, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Reset bits for timing and freq. recovery */ + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_RST_CPH__A, 0x0001, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_RST_CTI__A, 0x0002, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_RST_KRN__A, 0x0004, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_RST_KRP__A, 0x0008, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* AGN_LOCK = {2048>>3, -2048, 8, -8, 0, 1}; */ + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_AGN_LOCK_TH__A, 2048 >> 3, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_AGN_LOCK_TOTH__A, (u16)(-2048), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_AGN_ONLOCK_TTH__A, 8, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_AGN_UNLOCK_TTH__A, (u16)(-8), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_AGN_LOCK_MASK__A, 1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* DGN_LOCK = {10, -2048, 8, -8, 0, 1<<1}; */ + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_DGN_LOCK_TH__A, 10, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_DGN_LOCK_TOTH__A, (u16)(-2048), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_DGN_ONLOCK_TTH__A, 8, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_DGN_UNLOCK_TTH__A, (u16)(-8), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_DGN_LOCK_MASK__A, 1 << 1, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* FRQ_LOCK = {15,-2048, 8, -8, 0, 1<<2}; */ + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_FRQ_LOCK_TH__A, 17, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_FRQ_LOCK_TOTH__A, (u16)(-2048), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_FRQ_ONLOCK_TTH__A, 8, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_FRQ_UNLOCK_TTH__A, (u16)(-8), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_FRQ_LOCK_MASK__A, 1 << 2, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* PHA_LOCK = {5000, -2048, 8, -8, 0, 1<<3}; */ + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_PHA_LOCK_TH__A, 3000, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_PHA_LOCK_TOTH__A, (u16)(-2048), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_PHA_ONLOCK_TTH__A, 8, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_PHA_UNLOCK_TTH__A, (u16)(-8), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_PHA_LOCK_MASK__A, 1 << 3, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* TIM_LOCK = {300, -2048, 8, -8, 0, 1<<4}; */ + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_TIM_LOCK_TH__A, 400, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_TIM_LOCK_TOTH__A, (u16)(-2048), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_TIM_ONLOCK_TTH__A, 8, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_TIM_UNLOCK_TTH__A, (u16)(-8), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_TIM_LOCK_MASK__A, 1 << 4, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* EQU_LOCK = {20, -2048, 8, -8, 0, 1<<5}; */ + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_EQU_LOCK_TH__A, 20, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_EQU_LOCK_TOTH__A, (u16)(-2048), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_EQU_ONLOCK_TTH__A, 4, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_EQU_UNLOCK_TTH__A, (u16)(-4), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_ORX_EQU_LOCK_MASK__A, 1 << 5, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* PRE-Filter coefficients (PFI) */ + rc = drxdap_fasi_write_block(dev_addr, ORX_FWP_PFI_A_W__A, sizeof(pfi_coeffs[mode_index]), ((u8 *)pfi_coeffs[mode_index]), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, ORX_TOP_MDE_W__A, mode_index, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* NYQUIST-Filter coefficients (NYQ) */ + for (i = 0; i < (NYQFILTERLEN + 1) / 2; i++) { + rc = drxj_dap_write_reg16(dev_addr, ORX_FWP_NYQ_ADR_W__A, i, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, ORX_FWP_NYQ_COF_RW__A, nyquist_coeffs[mode_index][i], 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + rc = drxj_dap_write_reg16(dev_addr, ORX_FWP_NYQ_ADR_W__A, 31, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, ORX_COMM_EXEC__A, ORX_COMM_EXEC_ACTIVE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /********/ + /* Start */ + /********/ + scu_cmd.command = SCU_RAM_COMMAND_STANDARD_OOB + | SCU_RAM_COMMAND_CMD_DEMOD_START; + scu_cmd.parameter_len = 0; + scu_cmd.result_len = 1; + scu_cmd.result = cmd_result; + rc = scu_command(dev_addr, &scu_cmd); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = set_orx_nsu_aox(demod, true); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, ORX_NSU_AOX_STHR_W__A, ext_attr->oob_pre_saw, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + ext_attr->oob_power_on = true; + + return 0; +rw_error: + return rc; +} + +/*============================================================================*/ +/*== END OOB DATAPATH FUNCTIONS ==*/ +/*============================================================================*/ + +/*============================================================================= + ===== MC command related functions ========================================== + ===========================================================================*/ + +/*============================================================================= + ===== ctrl_set_channel() ========================================================== + ===========================================================================*/ +/* +* \fn int ctrl_set_channel() +* \brief Select a new transmission channel. +* \param demod instance of demod. +* \param channel Pointer to channel data. +* \return int. +* +* In case the tuner module is not used and in case of NTSC/FM the pogrammer +* must tune the tuner to the centre frequency of the NTSC/FM channel. +* +*/ +static int +ctrl_set_channel(struct drx_demod_instance *demod, struct drx_channel *channel) +{ + int rc; + s32 tuner_freq_offset = 0; + struct drxj_data *ext_attr = NULL; + struct i2c_device_addr *dev_addr = NULL; + enum drx_standard standard = DRX_STANDARD_UNKNOWN; +#ifndef DRXJ_VSB_ONLY + u32 min_symbol_rate = 0; + u32 max_symbol_rate = 0; + int bandwidth_temp = 0; + int bandwidth = 0; +#endif + /*== check arguments ======================================================*/ + if ((demod == NULL) || (channel == NULL)) + return -EINVAL; + + dev_addr = demod->my_i2c_dev_addr; + ext_attr = (struct drxj_data *) demod->my_ext_attr; + standard = ext_attr->standard; + + /* check valid standards */ + switch (standard) { + case DRX_STANDARD_8VSB: +#ifndef DRXJ_VSB_ONLY + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_B: + case DRX_STANDARD_ITU_C: +#endif /* DRXJ_VSB_ONLY */ + break; + case DRX_STANDARD_UNKNOWN: + default: + return -EINVAL; + } + + /* check bandwidth QAM annex B, NTSC and 8VSB */ + if ((standard == DRX_STANDARD_ITU_B) || + (standard == DRX_STANDARD_8VSB) || + (standard == DRX_STANDARD_NTSC)) { + switch (channel->bandwidth) { + case DRX_BANDWIDTH_6MHZ: + case DRX_BANDWIDTH_UNKNOWN: + channel->bandwidth = DRX_BANDWIDTH_6MHZ; + break; + case DRX_BANDWIDTH_8MHZ: + case DRX_BANDWIDTH_7MHZ: + default: + return -EINVAL; + } + } + + /* For QAM annex A and annex C: + -check symbolrate and constellation + -derive bandwidth from symbolrate (input bandwidth is ignored) + */ +#ifndef DRXJ_VSB_ONLY + if ((standard == DRX_STANDARD_ITU_A) || + (standard == DRX_STANDARD_ITU_C)) { + struct drxuio_cfg uio_cfg = { DRX_UIO1, DRX_UIO_MODE_FIRMWARE_SAW }; + int bw_rolloff_factor = 0; + + bw_rolloff_factor = (standard == DRX_STANDARD_ITU_A) ? 115 : 113; + min_symbol_rate = DRXJ_QAM_SYMBOLRATE_MIN; + max_symbol_rate = DRXJ_QAM_SYMBOLRATE_MAX; + /* config SMA_TX pin to SAW switch mode */ + rc = ctrl_set_uio_cfg(demod, &uio_cfg); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + if (channel->symbolrate < min_symbol_rate || + channel->symbolrate > max_symbol_rate) { + return -EINVAL; + } + + switch (channel->constellation) { + case DRX_CONSTELLATION_QAM16: + case DRX_CONSTELLATION_QAM32: + case DRX_CONSTELLATION_QAM64: + case DRX_CONSTELLATION_QAM128: + case DRX_CONSTELLATION_QAM256: + bandwidth_temp = channel->symbolrate * bw_rolloff_factor; + bandwidth = bandwidth_temp / 100; + + if ((bandwidth_temp % 100) >= 50) + bandwidth++; + + if (bandwidth <= 6100000) { + channel->bandwidth = DRX_BANDWIDTH_6MHZ; + } else if ((bandwidth > 6100000) + && (bandwidth <= 7100000)) { + channel->bandwidth = DRX_BANDWIDTH_7MHZ; + } else if (bandwidth > 7100000) { + channel->bandwidth = DRX_BANDWIDTH_8MHZ; + } + break; + default: + return -EINVAL; + } + } + + /* For QAM annex B: + -check constellation + */ + if (standard == DRX_STANDARD_ITU_B) { + switch (channel->constellation) { + case DRX_CONSTELLATION_AUTO: + case DRX_CONSTELLATION_QAM256: + case DRX_CONSTELLATION_QAM64: + break; + default: + return -EINVAL; + } + + switch (channel->interleavemode) { + case DRX_INTERLEAVEMODE_I128_J1: + case DRX_INTERLEAVEMODE_I128_J1_V2: + case DRX_INTERLEAVEMODE_I128_J2: + case DRX_INTERLEAVEMODE_I64_J2: + case DRX_INTERLEAVEMODE_I128_J3: + case DRX_INTERLEAVEMODE_I32_J4: + case DRX_INTERLEAVEMODE_I128_J4: + case DRX_INTERLEAVEMODE_I16_J8: + case DRX_INTERLEAVEMODE_I128_J5: + case DRX_INTERLEAVEMODE_I8_J16: + case DRX_INTERLEAVEMODE_I128_J6: + case DRX_INTERLEAVEMODE_I128_J7: + case DRX_INTERLEAVEMODE_I128_J8: + case DRX_INTERLEAVEMODE_I12_J17: + case DRX_INTERLEAVEMODE_I5_J4: + case DRX_INTERLEAVEMODE_B52_M240: + case DRX_INTERLEAVEMODE_B52_M720: + case DRX_INTERLEAVEMODE_UNKNOWN: + case DRX_INTERLEAVEMODE_AUTO: + break; + default: + return -EINVAL; + } + } + + if ((ext_attr->uio_sma_tx_mode) == DRX_UIO_MODE_FIRMWARE_SAW) { + /* SAW SW, user UIO is used for switchable SAW */ + struct drxuio_data uio1 = { DRX_UIO1, false }; + + switch (channel->bandwidth) { + case DRX_BANDWIDTH_8MHZ: + uio1.value = true; + break; + case DRX_BANDWIDTH_7MHZ: + uio1.value = false; + break; + case DRX_BANDWIDTH_6MHZ: + uio1.value = false; + break; + case DRX_BANDWIDTH_UNKNOWN: + default: + return -EINVAL; + } + + rc = ctrl_uio_write(demod, &uio1); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } +#endif /* DRXJ_VSB_ONLY */ + rc = drxj_dap_write_reg16(dev_addr, SCU_COMM_EXEC__A, SCU_COMM_EXEC_ACTIVE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + tuner_freq_offset = 0; + + /*== Setup demod for specific standard ====================================*/ + switch (standard) { + case DRX_STANDARD_8VSB: + if (channel->mirror == DRX_MIRROR_AUTO) + ext_attr->mirror = DRX_MIRROR_NO; + else + ext_attr->mirror = channel->mirror; + rc = set_vsb(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = set_frequency(demod, channel, tuner_freq_offset); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; +#ifndef DRXJ_VSB_ONLY + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_B: + case DRX_STANDARD_ITU_C: + rc = set_qam_channel(demod, channel, tuner_freq_offset); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; +#endif + case DRX_STANDARD_UNKNOWN: + default: + return -EIO; + } + + /* flag the packet error counter reset */ + ext_attr->reset_pkt_err_acc = true; + + return 0; +rw_error: + return rc; +} + +/*============================================================================= + ===== SigQuality() ========================================================== + ===========================================================================*/ + +/* +* \fn int ctrl_sig_quality() +* \brief Retrieve signal quality form device. +* \param devmod Pointer to demodulator instance. +* \param sig_quality Pointer to signal quality data. +* \return int. +* \retval 0 sig_quality contains valid data. +* \retval -EINVAL sig_quality is NULL. +* \retval -EIO Erroneous data, sig_quality contains invalid data. + +*/ +static int +ctrl_sig_quality(struct drx_demod_instance *demod, + enum drx_lock_status lock_status) +{ + struct i2c_device_addr *dev_addr = demod->my_i2c_dev_addr; + struct drxj_data *ext_attr = demod->my_ext_attr; + struct drx39xxj_state *state = dev_addr->user_data; + struct dtv_frontend_properties *p = &state->frontend.dtv_property_cache; + enum drx_standard standard = ext_attr->standard; + int rc; + u32 ber, cnt, err, pkt; + u16 mer, strength = 0; + + rc = get_sig_strength(demod, &strength); + if (rc < 0) { + pr_err("error getting signal strength %d\n", rc); + p->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + } else { + p->strength.stat[0].scale = FE_SCALE_RELATIVE; + p->strength.stat[0].uvalue = 65535UL * strength/ 100; + } + + switch (standard) { + case DRX_STANDARD_8VSB: +#ifdef DRXJ_SIGNAL_ACCUM_ERR + rc = get_acc_pkt_err(demod, &pkt); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } +#endif + if (lock_status != DRXJ_DEMOD_LOCK && lock_status != DRX_LOCKED) { + p->pre_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->pre_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + } else { + rc = get_vsb_post_rs_pck_err(dev_addr, &err, &pkt); + if (rc != 0) { + pr_err("error %d getting UCB\n", rc); + p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + } else { + p->block_error.stat[0].scale = FE_SCALE_COUNTER; + p->block_error.stat[0].uvalue += err; + p->block_count.stat[0].scale = FE_SCALE_COUNTER; + p->block_count.stat[0].uvalue += pkt; + } + + /* PostViterbi is compute in steps of 10^(-6) */ + rc = get_vs_bpre_viterbi_ber(dev_addr, &ber, &cnt); + if (rc != 0) { + pr_err("error %d getting pre-ber\n", rc); + p->pre_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + } else { + p->pre_bit_error.stat[0].scale = FE_SCALE_COUNTER; + p->pre_bit_error.stat[0].uvalue += ber; + p->pre_bit_count.stat[0].scale = FE_SCALE_COUNTER; + p->pre_bit_count.stat[0].uvalue += cnt; + } + + rc = get_vs_bpost_viterbi_ber(dev_addr, &ber, &cnt); + if (rc != 0) { + pr_err("error %d getting post-ber\n", rc); + p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + } else { + p->post_bit_error.stat[0].scale = FE_SCALE_COUNTER; + p->post_bit_error.stat[0].uvalue += ber; + p->post_bit_count.stat[0].scale = FE_SCALE_COUNTER; + p->post_bit_count.stat[0].uvalue += cnt; + } + rc = get_vsbmer(dev_addr, &mer); + if (rc != 0) { + pr_err("error %d getting MER\n", rc); + p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + } else { + p->cnr.stat[0].svalue = mer * 100; + p->cnr.stat[0].scale = FE_SCALE_DECIBEL; + } + } + break; +#ifndef DRXJ_VSB_ONLY + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_B: + case DRX_STANDARD_ITU_C: + rc = ctrl_get_qam_sig_quality(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; +#endif + default: + return -EIO; + } + + return 0; +rw_error: + return rc; +} + +/*============================================================================*/ + +/* +* \fn int ctrl_lock_status() +* \brief Retrieve lock status . +* \param dev_addr Pointer to demodulator device address. +* \param lock_stat Pointer to lock status structure. +* \return int. +* +*/ +static int +ctrl_lock_status(struct drx_demod_instance *demod, enum drx_lock_status *lock_stat) +{ + enum drx_standard standard = DRX_STANDARD_UNKNOWN; + struct drxj_data *ext_attr = NULL; + struct i2c_device_addr *dev_addr = NULL; + struct drxjscu_cmd cmd_scu = { /* command */ 0, + /* parameter_len */ 0, + /* result_len */ 0, + /* *parameter */ NULL, + /* *result */ NULL + }; + int rc; + u16 cmd_result[2] = { 0, 0 }; + u16 demod_lock = SCU_RAM_PARAM_1_RES_DEMOD_GET_LOCK_DEMOD_LOCKED; + + /* check arguments */ + if ((demod == NULL) || (lock_stat == NULL)) + return -EINVAL; + + dev_addr = demod->my_i2c_dev_addr; + ext_attr = (struct drxj_data *) demod->my_ext_attr; + standard = ext_attr->standard; + + *lock_stat = DRX_NOT_LOCKED; + + /* define the SCU command code */ + switch (standard) { + case DRX_STANDARD_8VSB: + cmd_scu.command = SCU_RAM_COMMAND_STANDARD_VSB | + SCU_RAM_COMMAND_CMD_DEMOD_GET_LOCK; + demod_lock |= 0x6; + break; +#ifndef DRXJ_VSB_ONLY + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_B: + case DRX_STANDARD_ITU_C: + cmd_scu.command = SCU_RAM_COMMAND_STANDARD_QAM | + SCU_RAM_COMMAND_CMD_DEMOD_GET_LOCK; + break; +#endif + case DRX_STANDARD_UNKNOWN: + default: + return -EIO; + } + + /* define the SCU command parameters and execute the command */ + cmd_scu.parameter_len = 0; + cmd_scu.result_len = 2; + cmd_scu.parameter = NULL; + cmd_scu.result = cmd_result; + rc = scu_command(dev_addr, &cmd_scu); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* set the lock status */ + if (cmd_scu.result[1] < demod_lock) { + /* 0x0000 NOT LOCKED */ + *lock_stat = DRX_NOT_LOCKED; + } else if (cmd_scu.result[1] < SCU_RAM_PARAM_1_RES_DEMOD_GET_LOCK_LOCKED) { + *lock_stat = DRXJ_DEMOD_LOCK; + } else if (cmd_scu.result[1] < + SCU_RAM_PARAM_1_RES_DEMOD_GET_LOCK_NEVER_LOCK) { + /* 0x8000 DEMOD + FEC LOCKED (system lock) */ + *lock_stat = DRX_LOCKED; + } else { + /* 0xC000 NEVER LOCKED */ + /* (system will never be able to lock to the signal) */ + *lock_stat = DRX_NEVER_LOCK; + } + + return 0; +rw_error: + return rc; +} + +/*============================================================================*/ + +/* +* \fn int ctrl_set_standard() +* \brief Set modulation standard to be used. +* \param standard Modulation standard. +* \return int. +* +* Setup stuff for the desired demodulation standard. +* Disable and power down the previous selected demodulation standard +* +*/ +static int +ctrl_set_standard(struct drx_demod_instance *demod, enum drx_standard *standard) +{ + struct drxj_data *ext_attr = NULL; + int rc; + enum drx_standard prev_standard; + + /* check arguments */ + if ((standard == NULL) || (demod == NULL)) + return -EINVAL; + + ext_attr = (struct drxj_data *) demod->my_ext_attr; + prev_standard = ext_attr->standard; + + /* + Stop and power down previous standard + */ + switch (prev_standard) { +#ifndef DRXJ_VSB_ONLY + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_B: + case DRX_STANDARD_ITU_C: + rc = power_down_qam(demod, false); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; +#endif + case DRX_STANDARD_8VSB: + rc = power_down_vsb(demod, false); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + case DRX_STANDARD_UNKNOWN: + /* Do nothing */ + break; + case DRX_STANDARD_AUTO: + default: + rc = -EINVAL; + goto rw_error; + } + + /* + Initialize channel independent registers + Power up new standard + */ + ext_attr->standard = *standard; + + switch (*standard) { +#ifndef DRXJ_VSB_ONLY + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_B: + case DRX_STANDARD_ITU_C: + do { + u16 dummy; + rc = drxj_dap_read_reg16(demod->my_i2c_dev_addr, SCU_RAM_VERSION_HI__A, &dummy, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } while (0); + break; +#endif + case DRX_STANDARD_8VSB: + rc = set_vsb_leak_n_gain(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + default: + ext_attr->standard = DRX_STANDARD_UNKNOWN; + return -EINVAL; + } + + return 0; +rw_error: + /* Don't know what the standard is now ... try again */ + ext_attr->standard = DRX_STANDARD_UNKNOWN; + return rc; +} + +/*============================================================================*/ + +static void drxj_reset_mode(struct drxj_data *ext_attr) +{ + /* Initialize default AFE configuration for QAM */ + if (ext_attr->has_lna) { + /* IF AGC off, PGA active */ +#ifndef DRXJ_VSB_ONLY + ext_attr->qam_if_agc_cfg.standard = DRX_STANDARD_ITU_B; + ext_attr->qam_if_agc_cfg.ctrl_mode = DRX_AGC_CTRL_OFF; + ext_attr->qam_pga_cfg = 140 + (11 * 13); +#endif + ext_attr->vsb_if_agc_cfg.standard = DRX_STANDARD_8VSB; + ext_attr->vsb_if_agc_cfg.ctrl_mode = DRX_AGC_CTRL_OFF; + ext_attr->vsb_pga_cfg = 140 + (11 * 13); + } else { + /* IF AGC on, PGA not active */ +#ifndef DRXJ_VSB_ONLY + ext_attr->qam_if_agc_cfg.standard = DRX_STANDARD_ITU_B; + ext_attr->qam_if_agc_cfg.ctrl_mode = DRX_AGC_CTRL_AUTO; + ext_attr->qam_if_agc_cfg.min_output_level = 0; + ext_attr->qam_if_agc_cfg.max_output_level = 0x7FFF; + ext_attr->qam_if_agc_cfg.speed = 3; + ext_attr->qam_if_agc_cfg.top = 1297; + ext_attr->qam_pga_cfg = 140; +#endif + ext_attr->vsb_if_agc_cfg.standard = DRX_STANDARD_8VSB; + ext_attr->vsb_if_agc_cfg.ctrl_mode = DRX_AGC_CTRL_AUTO; + ext_attr->vsb_if_agc_cfg.min_output_level = 0; + ext_attr->vsb_if_agc_cfg.max_output_level = 0x7FFF; + ext_attr->vsb_if_agc_cfg.speed = 3; + ext_attr->vsb_if_agc_cfg.top = 1024; + ext_attr->vsb_pga_cfg = 140; + } + /* TODO: remove min_output_level and max_output_level for both QAM and VSB after */ + /* mc has not used them */ +#ifndef DRXJ_VSB_ONLY + ext_attr->qam_rf_agc_cfg.standard = DRX_STANDARD_ITU_B; + ext_attr->qam_rf_agc_cfg.ctrl_mode = DRX_AGC_CTRL_AUTO; + ext_attr->qam_rf_agc_cfg.min_output_level = 0; + ext_attr->qam_rf_agc_cfg.max_output_level = 0x7FFF; + ext_attr->qam_rf_agc_cfg.speed = 3; + ext_attr->qam_rf_agc_cfg.top = 9500; + ext_attr->qam_rf_agc_cfg.cut_off_current = 4000; + ext_attr->qam_pre_saw_cfg.standard = DRX_STANDARD_ITU_B; + ext_attr->qam_pre_saw_cfg.reference = 0x07; + ext_attr->qam_pre_saw_cfg.use_pre_saw = true; +#endif + /* Initialize default AFE configuration for VSB */ + ext_attr->vsb_rf_agc_cfg.standard = DRX_STANDARD_8VSB; + ext_attr->vsb_rf_agc_cfg.ctrl_mode = DRX_AGC_CTRL_AUTO; + ext_attr->vsb_rf_agc_cfg.min_output_level = 0; + ext_attr->vsb_rf_agc_cfg.max_output_level = 0x7FFF; + ext_attr->vsb_rf_agc_cfg.speed = 3; + ext_attr->vsb_rf_agc_cfg.top = 9500; + ext_attr->vsb_rf_agc_cfg.cut_off_current = 4000; + ext_attr->vsb_pre_saw_cfg.standard = DRX_STANDARD_8VSB; + ext_attr->vsb_pre_saw_cfg.reference = 0x07; + ext_attr->vsb_pre_saw_cfg.use_pre_saw = true; +} + +/* +* \fn int ctrl_power_mode() +* \brief Set the power mode of the device to the specified power mode +* \param demod Pointer to demodulator instance. +* \param mode Pointer to new power mode. +* \return int. +* \retval 0 Success +* \retval -EIO I2C error or other failure +* \retval -EINVAL Invalid mode argument. +* +* +*/ +static int +ctrl_power_mode(struct drx_demod_instance *demod, enum drx_power_mode *mode) +{ + struct drx_common_attr *common_attr = (struct drx_common_attr *) NULL; + struct drxj_data *ext_attr = (struct drxj_data *) NULL; + struct i2c_device_addr *dev_addr = (struct i2c_device_addr *)NULL; + int rc; + u16 sio_cc_pwd_mode = 0; + + common_attr = (struct drx_common_attr *) demod->my_common_attr; + ext_attr = (struct drxj_data *) demod->my_ext_attr; + dev_addr = demod->my_i2c_dev_addr; + + /* Check arguments */ + if (mode == NULL) + return -EINVAL; + + /* If already in requested power mode, do nothing */ + if (common_attr->current_power_mode == *mode) + return 0; + + switch (*mode) { + case DRX_POWER_UP: + case DRXJ_POWER_DOWN_MAIN_PATH: + sio_cc_pwd_mode = SIO_CC_PWD_MODE_LEVEL_NONE; + break; + case DRXJ_POWER_DOWN_CORE: + sio_cc_pwd_mode = SIO_CC_PWD_MODE_LEVEL_CLOCK; + break; + case DRXJ_POWER_DOWN_PLL: + sio_cc_pwd_mode = SIO_CC_PWD_MODE_LEVEL_PLL; + break; + case DRX_POWER_DOWN: + sio_cc_pwd_mode = SIO_CC_PWD_MODE_LEVEL_OSC; + break; + default: + /* Unknown sleep mode */ + return -EINVAL; + } + + /* Check if device needs to be powered up */ + if ((common_attr->current_power_mode != DRX_POWER_UP)) { + rc = power_up_device(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + if (*mode == DRX_POWER_UP) { + /* Restore analog & pin configuration */ + + /* Initialize default AFE configuration for VSB */ + drxj_reset_mode(ext_attr); + } else { + /* Power down to requested mode */ + /* Backup some register settings */ + /* Set pins with possible pull-ups connected to them in input mode */ + /* Analog power down */ + /* ADC power down */ + /* Power down device */ + /* stop all comm_exec */ + /* + Stop and power down previous standard + */ + + switch (ext_attr->standard) { + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_B: + case DRX_STANDARD_ITU_C: + rc = power_down_qam(demod, true); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + case DRX_STANDARD_8VSB: + rc = power_down_vsb(demod, true); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + case DRX_STANDARD_PAL_SECAM_BG: + case DRX_STANDARD_PAL_SECAM_DK: + case DRX_STANDARD_PAL_SECAM_I: + case DRX_STANDARD_PAL_SECAM_L: + case DRX_STANDARD_PAL_SECAM_LP: + case DRX_STANDARD_NTSC: + case DRX_STANDARD_FM: + rc = power_down_atv(demod, ext_attr->standard, true); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + break; + case DRX_STANDARD_UNKNOWN: + /* Do nothing */ + break; + case DRX_STANDARD_AUTO: + default: + return -EIO; + } + ext_attr->standard = DRX_STANDARD_UNKNOWN; + } + + if (*mode != DRXJ_POWER_DOWN_MAIN_PATH) { + rc = drxj_dap_write_reg16(dev_addr, SIO_CC_PWD_MODE__A, sio_cc_pwd_mode, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_CC_UPDATE__A, SIO_CC_UPDATE_KEY, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + if ((*mode != DRX_POWER_UP)) { + /* Initialize HI, wakeup key especially before put IC to sleep */ + rc = init_hi(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + ext_attr->hi_cfg_ctrl |= SIO_HI_RA_RAM_PAR_5_CFG_SLEEP_ZZZ; + rc = hi_cfg_command(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + } + + common_attr->current_power_mode = *mode; + + return 0; +rw_error: + return rc; +} + +/*============================================================================*/ +/*== CTRL Set/Get Config related functions ===================================*/ +/*============================================================================*/ + +/* +* \fn int ctrl_set_cfg_pre_saw() +* \brief Set Pre-saw reference. +* \param demod demod instance +* \param u16 * +* \return int. +* +* Check arguments +* Dispatch handling to standard specific function. +* +*/ +static int +ctrl_set_cfg_pre_saw(struct drx_demod_instance *demod, struct drxj_cfg_pre_saw *pre_saw) +{ + struct i2c_device_addr *dev_addr = NULL; + struct drxj_data *ext_attr = NULL; + int rc; + + dev_addr = demod->my_i2c_dev_addr; + ext_attr = (struct drxj_data *) demod->my_ext_attr; + + /* check arguments */ + if ((pre_saw == NULL) || (pre_saw->reference > IQM_AF_PDREF__M) + ) { + return -EINVAL; + } + + /* Only if standard is currently active */ + if ((ext_attr->standard == pre_saw->standard) || + (DRXJ_ISQAMSTD(ext_attr->standard) && + DRXJ_ISQAMSTD(pre_saw->standard)) || + (DRXJ_ISATVSTD(ext_attr->standard) && + DRXJ_ISATVSTD(pre_saw->standard))) { + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_PDREF__A, pre_saw->reference, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + /* Store pre-saw settings */ + switch (pre_saw->standard) { + case DRX_STANDARD_8VSB: + ext_attr->vsb_pre_saw_cfg = *pre_saw; + break; +#ifndef DRXJ_VSB_ONLY + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_B: + case DRX_STANDARD_ITU_C: + ext_attr->qam_pre_saw_cfg = *pre_saw; + break; +#endif + default: + return -EINVAL; + } + + return 0; +rw_error: + return rc; +} + +/*============================================================================*/ + +/* +* \fn int ctrl_set_cfg_afe_gain() +* \brief Set AFE Gain. +* \param demod demod instance +* \param u16 * +* \return int. +* +* Check arguments +* Dispatch handling to standard specific function. +* +*/ +static int +ctrl_set_cfg_afe_gain(struct drx_demod_instance *demod, struct drxj_cfg_afe_gain *afe_gain) +{ + struct i2c_device_addr *dev_addr = NULL; + struct drxj_data *ext_attr = NULL; + int rc; + u8 gain = 0; + + /* check arguments */ + if (afe_gain == NULL) + return -EINVAL; + + dev_addr = demod->my_i2c_dev_addr; + ext_attr = (struct drxj_data *) demod->my_ext_attr; + + switch (afe_gain->standard) { + case DRX_STANDARD_8VSB: fallthrough; +#ifndef DRXJ_VSB_ONLY + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_B: + case DRX_STANDARD_ITU_C: +#endif + /* Do nothing */ + break; + default: + return -EINVAL; + } + + /* TODO PGA gain is also written by microcode (at least by QAM and VSB) + So I (PJ) think interface requires choice between auto, user mode */ + + if (afe_gain->gain >= 329) + gain = 15; + else if (afe_gain->gain <= 147) + gain = 0; + else + gain = (afe_gain->gain - 140 + 6) / 13; + + /* Only if standard is currently active */ + if (ext_attr->standard == afe_gain->standard) { + rc = drxj_dap_write_reg16(dev_addr, IQM_AF_PGA_GAIN__A, gain, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + } + + /* Store AFE Gain settings */ + switch (afe_gain->standard) { + case DRX_STANDARD_8VSB: + ext_attr->vsb_pga_cfg = gain * 13 + 140; + break; +#ifndef DRXJ_VSB_ONLY + case DRX_STANDARD_ITU_A: + case DRX_STANDARD_ITU_B: + case DRX_STANDARD_ITU_C: + ext_attr->qam_pga_cfg = gain * 13 + 140; + break; +#endif + default: + return -EIO; + } + + return 0; +rw_error: + return rc; +} + +/*============================================================================*/ + + +/*============================================================================= +===== EXPORTED FUNCTIONS ====================================================*/ + +static int drx_ctrl_u_code(struct drx_demod_instance *demod, + struct drxu_code_info *mc_info, + enum drxu_code_action action); +static int drxj_set_lna_state(struct drx_demod_instance *demod, bool state); + +/* +* \fn drxj_open() +* \brief Open the demod instance, configure device, configure drxdriver +* \return Status_t Return status. +* +* drxj_open() can be called with a NULL ucode image => no ucode upload. +* This means that drxj_open() must NOT contain SCU commands or, in general, +* rely on SCU or AUD ucode to be present. +* +*/ + +static int drxj_open(struct drx_demod_instance *demod) +{ + struct i2c_device_addr *dev_addr = NULL; + struct drxj_data *ext_attr = NULL; + struct drx_common_attr *common_attr = NULL; + u32 driver_version = 0; + struct drxu_code_info ucode_info; + struct drx_cfg_mpeg_output cfg_mpeg_output; + int rc; + enum drx_power_mode power_mode = DRX_POWER_UP; + + if ((demod == NULL) || + (demod->my_common_attr == NULL) || + (demod->my_ext_attr == NULL) || + (demod->my_i2c_dev_addr == NULL) || + (demod->my_common_attr->is_opened)) { + return -EINVAL; + } + + /* Check arguments */ + if (demod->my_ext_attr == NULL) + return -EINVAL; + + dev_addr = demod->my_i2c_dev_addr; + ext_attr = (struct drxj_data *) demod->my_ext_attr; + common_attr = (struct drx_common_attr *) demod->my_common_attr; + + rc = ctrl_power_mode(demod, &power_mode); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + if (power_mode != DRX_POWER_UP) { + rc = -EINVAL; + pr_err("failed to powerup device\n"); + goto rw_error; + } + + /* has to be in front of setIqmAf and setOrxNsuAox */ + rc = get_device_capabilities(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* + * Soft reset of sys- and osc-clockdomain + * + * HACK: On windows, it writes a 0x07 here, instead of just 0x03. + * As we didn't load the firmware here yet, we should do the same. + * Btw, this is coherent with DRX-K, where we send reset codes + * for modulation (OFTM, in DRX-k), SYS and OSC clock domains. + */ + rc = drxj_dap_write_reg16(dev_addr, SIO_CC_SOFT_RST__A, (0x04 | SIO_CC_SOFT_RST_SYS__M | SIO_CC_SOFT_RST_OSC__M), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SIO_CC_UPDATE__A, SIO_CC_UPDATE_KEY, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + msleep(1); + + /* TODO first make sure that everything keeps working before enabling this */ + /* PowerDownAnalogBlocks() */ + rc = drxj_dap_write_reg16(dev_addr, ATV_TOP_STDBY__A, (~ATV_TOP_STDBY_CVBS_STDBY_A2_ACTIVE) | ATV_TOP_STDBY_SIF_STDBY_STANDBY, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = set_iqm_af(demod, false); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = set_orx_nsu_aox(demod, false); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = init_hi(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* disable mpegoutput pins */ + memcpy(&cfg_mpeg_output, &common_attr->mpeg_cfg, sizeof(cfg_mpeg_output)); + cfg_mpeg_output.enable_mpeg_output = false; + + rc = ctrl_set_cfg_mpeg_output(demod, &cfg_mpeg_output); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* Stop AUD Inform SetAudio it will need to do all setting */ + rc = power_down_aud(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + /* Stop SCU */ + rc = drxj_dap_write_reg16(dev_addr, SCU_COMM_EXEC__A, SCU_COMM_EXEC_STOP, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Upload microcode */ + if (common_attr->microcode_file != NULL) { + /* Dirty trick to use common ucode upload & verify, + pretend device is already open */ + common_attr->is_opened = true; + ucode_info.mc_file = common_attr->microcode_file; + + if (DRX_ISPOWERDOWNMODE(demod->my_common_attr->current_power_mode)) { + pr_err("Should powerup before loading the firmware."); + rc = -EINVAL; + goto rw_error; + } + + rc = drx_ctrl_u_code(demod, &ucode_info, UCODE_UPLOAD); + if (rc != 0) { + pr_err("error %d while uploading the firmware\n", rc); + goto rw_error; + } + if (common_attr->verify_microcode == true) { + rc = drx_ctrl_u_code(demod, &ucode_info, UCODE_VERIFY); + if (rc != 0) { + pr_err("error %d while verifying the firmware\n", + rc); + goto rw_error; + } + } + common_attr->is_opened = false; + } + + /* Run SCU for a little while to initialize microcode version numbers */ + rc = drxj_dap_write_reg16(dev_addr, SCU_COMM_EXEC__A, SCU_COMM_EXEC_ACTIVE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Initialize scan timeout */ + common_attr->scan_demod_lock_timeout = DRXJ_SCAN_TIMEOUT; + common_attr->scan_desired_lock = DRX_LOCKED; + + drxj_reset_mode(ext_attr); + ext_attr->standard = DRX_STANDARD_UNKNOWN; + + rc = smart_ant_init(demod); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* Stamp driver version number in SCU data RAM in BCD code + Done to enable field application engineers to retrieve drxdriver version + via I2C from SCU RAM + */ + driver_version = (VERSION_MAJOR / 100) % 10; + driver_version <<= 4; + driver_version += (VERSION_MAJOR / 10) % 10; + driver_version <<= 4; + driver_version += (VERSION_MAJOR % 10); + driver_version <<= 4; + driver_version += (VERSION_MINOR % 10); + driver_version <<= 4; + driver_version += (VERSION_PATCH / 1000) % 10; + driver_version <<= 4; + driver_version += (VERSION_PATCH / 100) % 10; + driver_version <<= 4; + driver_version += (VERSION_PATCH / 10) % 10; + driver_version <<= 4; + driver_version += (VERSION_PATCH % 10); + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_DRIVER_VER_HI__A, (u16)(driver_version >> 16), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + rc = drxj_dap_write_reg16(dev_addr, SCU_RAM_DRIVER_VER_LO__A, (u16)(driver_version & 0xFFFF), 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = ctrl_set_oob(demod, NULL); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + /* refresh the audio data structure with default */ + ext_attr->aud_data = drxj_default_aud_data_g; + + demod->my_common_attr->is_opened = true; + drxj_set_lna_state(demod, false); + return 0; +rw_error: + common_attr->is_opened = false; + return rc; +} + +/*============================================================================*/ +/* +* \fn drxj_close() +* \brief Close the demod instance, power down the device +* \return Status_t Return status. +* +*/ +static int drxj_close(struct drx_demod_instance *demod) +{ + struct i2c_device_addr *dev_addr = demod->my_i2c_dev_addr; + int rc; + enum drx_power_mode power_mode = DRX_POWER_UP; + + if ((demod->my_common_attr == NULL) || + (demod->my_ext_attr == NULL) || + (demod->my_i2c_dev_addr == NULL) || + (!demod->my_common_attr->is_opened)) { + return -EINVAL; + } + + /* power up */ + rc = ctrl_power_mode(demod, &power_mode); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + rc = drxj_dap_write_reg16(dev_addr, SCU_COMM_EXEC__A, SCU_COMM_EXEC_ACTIVE, 0); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + power_mode = DRX_POWER_DOWN; + rc = ctrl_power_mode(demod, &power_mode); + if (rc != 0) { + pr_err("error %d\n", rc); + goto rw_error; + } + + DRX_ATTR_ISOPENED(demod) = false; + + return 0; +rw_error: + DRX_ATTR_ISOPENED(demod) = false; + + return rc; +} + +/* + * Microcode related functions + */ + +/* + * drx_u_code_compute_crc - Compute CRC of block of microcode data. + * @block_data: Pointer to microcode data. + * @nr_words: Size of microcode block (number of 16 bits words). + * + * returns The computed CRC residue. + */ +static u16 drx_u_code_compute_crc(u8 *block_data, u16 nr_words) +{ + u16 i = 0; + u16 j = 0; + u32 crc_word = 0; + u32 carry = 0; + + while (i < nr_words) { + crc_word |= (u32)be16_to_cpu(*(__be16 *)(block_data)); + for (j = 0; j < 16; j++) { + crc_word <<= 1; + if (carry != 0) + crc_word ^= 0x80050000UL; + carry = crc_word & 0x80000000UL; + } + i++; + block_data += (sizeof(u16)); + } + return (u16)(crc_word >> 16); +} + +/* + * drx_check_firmware - checks if the loaded firmware is valid + * + * @demod: demod structure + * @mc_data: pointer to the start of the firmware + * @size: firmware size + */ +static int drx_check_firmware(struct drx_demod_instance *demod, u8 *mc_data, + unsigned size) +{ + struct drxu_code_block_hdr block_hdr; + int i; + unsigned count = 2 * sizeof(u16); + u32 mc_dev_type, mc_version, mc_base_version; + u16 mc_nr_of_blks = be16_to_cpu(*(__be16 *)(mc_data + sizeof(u16))); + + /* + * Scan microcode blocks first for version info + * and firmware check + */ + + /* Clear version block */ + DRX_ATTR_MCRECORD(demod).aux_type = 0; + DRX_ATTR_MCRECORD(demod).mc_dev_type = 0; + DRX_ATTR_MCRECORD(demod).mc_version = 0; + DRX_ATTR_MCRECORD(demod).mc_base_version = 0; + + for (i = 0; i < mc_nr_of_blks; i++) { + if (count + 3 * sizeof(u16) + sizeof(u32) > size) + goto eof; + + /* Process block header */ + block_hdr.addr = be32_to_cpu(*(__be32 *)(mc_data + count)); + count += sizeof(u32); + block_hdr.size = be16_to_cpu(*(__be16 *)(mc_data + count)); + count += sizeof(u16); + block_hdr.flags = be16_to_cpu(*(__be16 *)(mc_data + count)); + count += sizeof(u16); + block_hdr.CRC = be16_to_cpu(*(__be16 *)(mc_data + count)); + count += sizeof(u16); + + pr_debug("%u: addr %u, size %u, flags 0x%04x, CRC 0x%04x\n", + count, block_hdr.addr, block_hdr.size, block_hdr.flags, + block_hdr.CRC); + + if (block_hdr.flags & 0x8) { + u8 *auxblk = ((void *)mc_data) + block_hdr.addr; + u16 auxtype; + + if (block_hdr.addr + sizeof(u16) > size) + goto eof; + + auxtype = be16_to_cpu(*(__be16 *)(auxblk)); + + /* Aux block. Check type */ + if (DRX_ISMCVERTYPE(auxtype)) { + if (block_hdr.addr + 2 * sizeof(u16) + 2 * sizeof (u32) > size) + goto eof; + + auxblk += sizeof(u16); + mc_dev_type = be32_to_cpu(*(__be32 *)(auxblk)); + auxblk += sizeof(u32); + mc_version = be32_to_cpu(*(__be32 *)(auxblk)); + auxblk += sizeof(u32); + mc_base_version = be32_to_cpu(*(__be32 *)(auxblk)); + + DRX_ATTR_MCRECORD(demod).aux_type = auxtype; + DRX_ATTR_MCRECORD(demod).mc_dev_type = mc_dev_type; + DRX_ATTR_MCRECORD(demod).mc_version = mc_version; + DRX_ATTR_MCRECORD(demod).mc_base_version = mc_base_version; + + pr_info("Firmware dev %x, ver %x, base ver %x\n", + mc_dev_type, mc_version, mc_base_version); + + } + } else if (count + block_hdr.size * sizeof(u16) > size) + goto eof; + + count += block_hdr.size * sizeof(u16); + } + return 0; +eof: + pr_err("Firmware is truncated at pos %u/%u\n", count, size); + return -EINVAL; +} + +/* + * drx_ctrl_u_code - Handle microcode upload or verify. + * @dev_addr: Address of device. + * @mc_info: Pointer to information about microcode data. + * @action: Either UCODE_UPLOAD or UCODE_VERIFY + * + * This function returns: + * 0: + * - In case of UCODE_UPLOAD: code is successfully uploaded. + * - In case of UCODE_VERIFY: image on device is equal to + * image provided to this control function. + * -EIO: + * - In case of UCODE_UPLOAD: I2C error. + * - In case of UCODE_VERIFY: I2C error or image on device + * is not equal to image provided to this control function. + * -EINVAL: + * - Invalid arguments. + * - Provided image is corrupt + */ +static int drx_ctrl_u_code(struct drx_demod_instance *demod, + struct drxu_code_info *mc_info, + enum drxu_code_action action) +{ + struct i2c_device_addr *dev_addr = demod->my_i2c_dev_addr; + int rc; + u16 i = 0; + u16 mc_nr_of_blks = 0; + u16 mc_magic_word = 0; + const u8 *mc_data_init = NULL; + u8 *mc_data = NULL; + unsigned size; + char *mc_file; + + /* Check arguments */ + if (!mc_info || !mc_info->mc_file) + return -EINVAL; + + mc_file = mc_info->mc_file; + + if (!demod->firmware) { + const struct firmware *fw = NULL; + + rc = request_firmware(&fw, mc_file, demod->i2c->dev.parent); + if (rc < 0) { + pr_err("Couldn't read firmware %s\n", mc_file); + return rc; + } + demod->firmware = fw; + + if (demod->firmware->size < 2 * sizeof(u16)) { + rc = -EINVAL; + pr_err("Firmware is too short!\n"); + goto release; + } + + pr_info("Firmware %s, size %zu\n", + mc_file, demod->firmware->size); + } + + mc_data_init = demod->firmware->data; + size = demod->firmware->size; + + mc_data = (void *)mc_data_init; + /* Check data */ + mc_magic_word = be16_to_cpu(*(__be16 *)(mc_data)); + mc_data += sizeof(u16); + mc_nr_of_blks = be16_to_cpu(*(__be16 *)(mc_data)); + mc_data += sizeof(u16); + + if ((mc_magic_word != DRX_UCODE_MAGIC_WORD) || (mc_nr_of_blks == 0)) { + rc = -EINVAL; + pr_err("Firmware magic word doesn't match\n"); + goto release; + } + + if (action == UCODE_UPLOAD) { + rc = drx_check_firmware(demod, (u8 *)mc_data_init, size); + if (rc) + goto release; + pr_info("Uploading firmware %s\n", mc_file); + } else { + pr_info("Verifying if firmware upload was ok.\n"); + } + + /* Process microcode blocks */ + for (i = 0; i < mc_nr_of_blks; i++) { + struct drxu_code_block_hdr block_hdr; + u16 mc_block_nr_bytes = 0; + + /* Process block header */ + block_hdr.addr = be32_to_cpu(*(__be32 *)(mc_data)); + mc_data += sizeof(u32); + block_hdr.size = be16_to_cpu(*(__be16 *)(mc_data)); + mc_data += sizeof(u16); + block_hdr.flags = be16_to_cpu(*(__be16 *)(mc_data)); + mc_data += sizeof(u16); + block_hdr.CRC = be16_to_cpu(*(__be16 *)(mc_data)); + mc_data += sizeof(u16); + + pr_debug("%zd: addr %u, size %u, flags 0x%04x, CRC 0x%04x\n", + (mc_data - mc_data_init), block_hdr.addr, + block_hdr.size, block_hdr.flags, block_hdr.CRC); + + /* Check block header on: + - data larger than 64Kb + - if CRC enabled check CRC + */ + if ((block_hdr.size > 0x7FFF) || + (((block_hdr.flags & DRX_UCODE_CRC_FLAG) != 0) && + (block_hdr.CRC != drx_u_code_compute_crc(mc_data, block_hdr.size))) + ) { + /* Wrong data ! */ + rc = -EINVAL; + pr_err("firmware CRC is wrong\n"); + goto release; + } + + if (!block_hdr.size) + continue; + + mc_block_nr_bytes = block_hdr.size * ((u16) sizeof(u16)); + + /* Perform the desired action */ + switch (action) { + case UCODE_UPLOAD: /* Upload microcode */ + if (drxdap_fasi_write_block(dev_addr, + block_hdr.addr, + mc_block_nr_bytes, + mc_data, 0x0000)) { + rc = -EIO; + pr_err("error writing firmware at pos %zd\n", + mc_data - mc_data_init); + goto release; + } + break; + case UCODE_VERIFY: { /* Verify uploaded microcode */ + int result = 0; + u8 mc_data_buffer[DRX_UCODE_MAX_BUF_SIZE]; + u32 bytes_to_comp = 0; + u32 bytes_left = mc_block_nr_bytes; + u32 curr_addr = block_hdr.addr; + u8 *curr_ptr = mc_data; + + while (bytes_left != 0) { + if (bytes_left > DRX_UCODE_MAX_BUF_SIZE) + bytes_to_comp = DRX_UCODE_MAX_BUF_SIZE; + else + bytes_to_comp = bytes_left; + + if (drxdap_fasi_read_block(dev_addr, + curr_addr, + (u16)bytes_to_comp, + (u8 *)mc_data_buffer, + 0x0000)) { + pr_err("error reading firmware at pos %zd\n", + mc_data - mc_data_init); + return -EIO; + } + + result = memcmp(curr_ptr, mc_data_buffer, + bytes_to_comp); + + if (result) { + pr_err("error verifying firmware at pos %zd\n", + mc_data - mc_data_init); + return -EIO; + } + + curr_addr += ((dr_xaddr_t)(bytes_to_comp / 2)); + curr_ptr =&(curr_ptr[bytes_to_comp]); + bytes_left -=((u32) bytes_to_comp); + } + break; + } + default: + return -EINVAL; + + } + mc_data += mc_block_nr_bytes; + } + + return 0; + +release: + release_firmware(demod->firmware); + demod->firmware = NULL; + + return rc; +} + +/* caller is expected to check if lna is supported before enabling */ +static int drxj_set_lna_state(struct drx_demod_instance *demod, bool state) +{ + struct drxuio_cfg uio_cfg; + struct drxuio_data uio_data; + int result; + + uio_cfg.uio = DRX_UIO1; + uio_cfg.mode = DRX_UIO_MODE_READWRITE; + /* Configure user-I/O #3: enable read/write */ + result = ctrl_set_uio_cfg(demod, &uio_cfg); + if (result) { + pr_err("Failed to setup LNA GPIO!\n"); + return result; + } + + uio_data.uio = DRX_UIO1; + uio_data.value = state; + result = ctrl_uio_write(demod, &uio_data); + if (result != 0) { + pr_err("Failed to %sable LNA!\n", + state ? "en" : "dis"); + return result; + } + return 0; +} + +/* + * The Linux DVB Driver for Micronas DRX39xx family (drx3933j) + * + * Written by Devin Heitmueller <devin.heitmueller@kernellabs.com> + */ + +static int drx39xxj_set_powerstate(struct dvb_frontend *fe, int enable) +{ + struct drx39xxj_state *state = fe->demodulator_priv; + struct drx_demod_instance *demod = state->demod; + int result; + enum drx_power_mode power_mode; + + if (enable) + power_mode = DRX_POWER_UP; + else + power_mode = DRX_POWER_DOWN; + + result = ctrl_power_mode(demod, &power_mode); + if (result != 0) { + pr_err("Power state change failed\n"); + return 0; + } + + return 0; +} + +static int drx39xxj_read_status(struct dvb_frontend *fe, enum fe_status *status) +{ + struct drx39xxj_state *state = fe->demodulator_priv; + struct drx_demod_instance *demod = state->demod; + int result; + enum drx_lock_status lock_status; + + *status = 0; + + result = ctrl_lock_status(demod, &lock_status); + if (result != 0) { + pr_err("drx39xxj: could not get lock status!\n"); + *status = 0; + } + + switch (lock_status) { + case DRX_NEVER_LOCK: + *status = 0; + pr_err("drx says NEVER_LOCK\n"); + break; + case DRX_NOT_LOCKED: + *status = 0; + break; + case DRX_LOCK_STATE_1: + case DRX_LOCK_STATE_2: + case DRX_LOCK_STATE_3: + case DRX_LOCK_STATE_4: + case DRX_LOCK_STATE_5: + case DRX_LOCK_STATE_6: + case DRX_LOCK_STATE_7: + case DRX_LOCK_STATE_8: + case DRX_LOCK_STATE_9: + *status = FE_HAS_SIGNAL + | FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC; + break; + case DRX_LOCKED: + *status = FE_HAS_SIGNAL + | FE_HAS_CARRIER + | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK; + break; + default: + pr_err("Lock state unknown %d\n", lock_status); + } + ctrl_sig_quality(demod, lock_status); + + return 0; +} + +static int drx39xxj_read_ber(struct dvb_frontend *fe, u32 *ber) +{ + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + + if (p->pre_bit_error.stat[0].scale == FE_SCALE_NOT_AVAILABLE) { + *ber = 0; + return 0; + } + + if (!p->pre_bit_count.stat[0].uvalue) { + if (!p->pre_bit_error.stat[0].uvalue) + *ber = 0; + else + *ber = 1000000; + } else { + *ber = frac_times1e6(p->pre_bit_error.stat[0].uvalue, + p->pre_bit_count.stat[0].uvalue); + } + return 0; +} + +static int drx39xxj_read_signal_strength(struct dvb_frontend *fe, + u16 *strength) +{ + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + + if (p->strength.stat[0].scale == FE_SCALE_NOT_AVAILABLE) { + *strength = 0; + return 0; + } + + *strength = p->strength.stat[0].uvalue; + return 0; +} + +static int drx39xxj_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + u64 tmp64; + + if (p->cnr.stat[0].scale == FE_SCALE_NOT_AVAILABLE) { + *snr = 0; + return 0; + } + + tmp64 = p->cnr.stat[0].svalue; + do_div(tmp64, 10); + *snr = tmp64; + return 0; +} + +static int drx39xxj_read_ucblocks(struct dvb_frontend *fe, u32 *ucb) +{ + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + + if (p->block_error.stat[0].scale == FE_SCALE_NOT_AVAILABLE) { + *ucb = 0; + return 0; + } + + *ucb = p->block_error.stat[0].uvalue; + return 0; +} + +static int drx39xxj_set_frontend(struct dvb_frontend *fe) +{ +#ifdef DJH_DEBUG + int i; +#endif + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + struct drx39xxj_state *state = fe->demodulator_priv; + struct drx_demod_instance *demod = state->demod; + enum drx_standard standard = DRX_STANDARD_8VSB; + struct drx_channel channel; + int result; + static const struct drx_channel def_channel = { + /* frequency */ 0, + /* bandwidth */ DRX_BANDWIDTH_6MHZ, + /* mirror */ DRX_MIRROR_NO, + /* constellation */ DRX_CONSTELLATION_AUTO, + /* hierarchy */ DRX_HIERARCHY_UNKNOWN, + /* priority */ DRX_PRIORITY_UNKNOWN, + /* coderate */ DRX_CODERATE_UNKNOWN, + /* guard */ DRX_GUARD_UNKNOWN, + /* fftmode */ DRX_FFTMODE_UNKNOWN, + /* classification */ DRX_CLASSIFICATION_AUTO, + /* symbolrate */ 5057000, + /* interleavemode */ DRX_INTERLEAVEMODE_UNKNOWN, + /* ldpc */ DRX_LDPC_UNKNOWN, + /* carrier */ DRX_CARRIER_UNKNOWN, + /* frame mode */ DRX_FRAMEMODE_UNKNOWN + }; + u32 constellation = DRX_CONSTELLATION_AUTO; + + /* Bring the demod out of sleep */ + drx39xxj_set_powerstate(fe, 1); + + if (fe->ops.tuner_ops.set_params) { + u32 int_freq; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + + /* Set tuner to desired frequency and standard */ + fe->ops.tuner_ops.set_params(fe); + + /* Use the tuner's IF */ + if (fe->ops.tuner_ops.get_if_frequency) { + fe->ops.tuner_ops.get_if_frequency(fe, &int_freq); + demod->my_common_attr->intermediate_freq = int_freq / 1000; + } + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + } + + switch (p->delivery_system) { + case SYS_ATSC: + standard = DRX_STANDARD_8VSB; + break; + case SYS_DVBC_ANNEX_B: + standard = DRX_STANDARD_ITU_B; + + switch (p->modulation) { + case QAM_64: + constellation = DRX_CONSTELLATION_QAM64; + break; + case QAM_256: + constellation = DRX_CONSTELLATION_QAM256; + break; + default: + constellation = DRX_CONSTELLATION_AUTO; + break; + } + break; + default: + return -EINVAL; + } + /* Set the standard (will be powered up if necessary */ + result = ctrl_set_standard(demod, &standard); + if (result != 0) { + pr_err("Failed to set standard! result=%02x\n", + result); + return -EINVAL; + } + + /* set channel parameters */ + channel = def_channel; + channel.frequency = p->frequency / 1000; + channel.bandwidth = DRX_BANDWIDTH_6MHZ; + channel.constellation = constellation; + + /* program channel */ + result = ctrl_set_channel(demod, &channel); + if (result != 0) { + pr_err("Failed to set channel!\n"); + return -EINVAL; + } + /* Just for giggles, let's shut off the LNA again.... */ + drxj_set_lna_state(demod, false); + + /* After set_frontend, except for strength, stats aren't available */ + p->strength.stat[0].scale = FE_SCALE_RELATIVE; + + return 0; +} + +static int drx39xxj_sleep(struct dvb_frontend *fe) +{ + /* power-down the demodulator */ + return drx39xxj_set_powerstate(fe, 0); +} + +static int drx39xxj_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) +{ + struct drx39xxj_state *state = fe->demodulator_priv; + struct drx_demod_instance *demod = state->demod; + bool i2c_gate_state; + int result; + +#ifdef DJH_DEBUG + pr_debug("i2c gate call: enable=%d state=%d\n", enable, + state->i2c_gate_open); +#endif + + if (enable) + i2c_gate_state = true; + else + i2c_gate_state = false; + + if (state->i2c_gate_open == enable) { + /* We're already in the desired state */ + return 0; + } + + result = ctrl_i2c_bridge(demod, &i2c_gate_state); + if (result != 0) { + pr_err("drx39xxj: could not open i2c gate [%d]\n", + result); + dump_stack(); + } else { + state->i2c_gate_open = enable; + } + return 0; +} + +static int drx39xxj_init(struct dvb_frontend *fe) +{ + struct drx39xxj_state *state = fe->demodulator_priv; + struct drx_demod_instance *demod = state->demod; + int rc = 0; + + if (fe->exit == DVB_FE_DEVICE_RESUME) { + /* so drxj_open() does what it needs to do */ + demod->my_common_attr->is_opened = false; + rc = drxj_open(demod); + if (rc != 0) + pr_err("drx39xxj_init(): DRX open failed rc=%d!\n", rc); + } else + drx39xxj_set_powerstate(fe, 1); + + return rc; +} + +static int drx39xxj_set_lna(struct dvb_frontend *fe) +{ + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + struct drx39xxj_state *state = fe->demodulator_priv; + struct drx_demod_instance *demod = state->demod; + struct drxj_data *ext_attr = demod->my_ext_attr; + + if (c->lna) { + if (!ext_attr->has_lna) { + pr_err("LNA is not supported on this device!\n"); + return -EINVAL; + + } + } + + return drxj_set_lna_state(demod, c->lna); +} + +static int drx39xxj_get_tune_settings(struct dvb_frontend *fe, + struct dvb_frontend_tune_settings *tune) +{ + tune->min_delay_ms = 1000; + return 0; +} + +static void drx39xxj_release(struct dvb_frontend *fe) +{ + struct drx39xxj_state *state = fe->demodulator_priv; + struct drx_demod_instance *demod = state->demod; + + /* if device is removed don't access it */ + if (fe->exit != DVB_FE_DEVICE_REMOVED) + drxj_close(demod); + + kfree(demod->my_ext_attr); + kfree(demod->my_common_attr); + kfree(demod->my_i2c_dev_addr); + release_firmware(demod->firmware); + kfree(demod); + kfree(state); +} + +static const struct dvb_frontend_ops drx39xxj_ops; + +struct dvb_frontend *drx39xxj_attach(struct i2c_adapter *i2c) +{ + struct drx39xxj_state *state = NULL; + struct i2c_device_addr *demod_addr = NULL; + struct drx_common_attr *demod_comm_attr = NULL; + struct drxj_data *demod_ext_attr = NULL; + struct drx_demod_instance *demod = NULL; + struct dtv_frontend_properties *p; + int result; + + /* allocate memory for the internal state */ + state = kzalloc(sizeof(struct drx39xxj_state), GFP_KERNEL); + if (state == NULL) + goto error; + + demod = kmemdup(&drxj_default_demod_g, + sizeof(struct drx_demod_instance), GFP_KERNEL); + if (demod == NULL) + goto error; + + demod_addr = kmemdup(&drxj_default_addr_g, + sizeof(struct i2c_device_addr), GFP_KERNEL); + if (demod_addr == NULL) + goto error; + + demod_comm_attr = kmemdup(&drxj_default_comm_attr_g, + sizeof(struct drx_common_attr), GFP_KERNEL); + if (demod_comm_attr == NULL) + goto error; + + demod_ext_attr = kmemdup(&drxj_data_g, sizeof(struct drxj_data), + GFP_KERNEL); + if (demod_ext_attr == NULL) + goto error; + + /* setup the state */ + state->i2c = i2c; + state->demod = demod; + + /* setup the demod data */ + demod->my_i2c_dev_addr = demod_addr; + demod->my_common_attr = demod_comm_attr; + demod->my_i2c_dev_addr->user_data = state; + demod->my_common_attr->microcode_file = DRX39XX_MAIN_FIRMWARE; + demod->my_common_attr->verify_microcode = true; + demod->my_common_attr->intermediate_freq = 5000; + demod->my_common_attr->current_power_mode = DRX_POWER_DOWN; + demod->my_ext_attr = demod_ext_attr; + ((struct drxj_data *)demod_ext_attr)->uio_sma_tx_mode = DRX_UIO_MODE_READWRITE; + demod->i2c = i2c; + + result = drxj_open(demod); + if (result != 0) { + pr_err("DRX open failed! Aborting\n"); + goto error; + } + + /* create dvb_frontend */ + memcpy(&state->frontend.ops, &drx39xxj_ops, + sizeof(struct dvb_frontend_ops)); + + state->frontend.demodulator_priv = state; + + /* Initialize stats - needed for DVBv5 stats to work */ + p = &state->frontend.dtv_property_cache; + p->strength.len = 1; + p->pre_bit_count.len = 1; + p->pre_bit_error.len = 1; + p->post_bit_count.len = 1; + p->post_bit_error.len = 1; + p->block_count.len = 1; + p->block_error.len = 1; + p->cnr.len = 1; + + p->strength.stat[0].scale = FE_SCALE_RELATIVE; + p->pre_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->pre_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + + return &state->frontend; + +error: + kfree(demod_ext_attr); + kfree(demod_comm_attr); + kfree(demod_addr); + kfree(demod); + kfree(state); + + return NULL; +} +EXPORT_SYMBOL_GPL(drx39xxj_attach); + +static const struct dvb_frontend_ops drx39xxj_ops = { + .delsys = { SYS_ATSC, SYS_DVBC_ANNEX_B }, + .info = { + .name = "Micronas DRX39xxj family Frontend", + .frequency_min_hz = 51 * MHz, + .frequency_max_hz = 858 * MHz, + .frequency_stepsize_hz = 62500, + .caps = FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB + }, + + .init = drx39xxj_init, + .i2c_gate_ctrl = drx39xxj_i2c_gate_ctrl, + .sleep = drx39xxj_sleep, + .set_frontend = drx39xxj_set_frontend, + .get_tune_settings = drx39xxj_get_tune_settings, + .read_status = drx39xxj_read_status, + .read_ber = drx39xxj_read_ber, + .read_signal_strength = drx39xxj_read_signal_strength, + .read_snr = drx39xxj_read_snr, + .read_ucblocks = drx39xxj_read_ucblocks, + .release = drx39xxj_release, + .set_lna = drx39xxj_set_lna, +}; + +MODULE_DESCRIPTION("Micronas DRX39xxj Frontend"); +MODULE_AUTHOR("Devin Heitmueller"); +MODULE_LICENSE("GPL"); +MODULE_FIRMWARE(DRX39XX_MAIN_FIRMWARE); |