diff options
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/mxl111sf.h')
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/mxl111sf.h | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/mxl111sf.h b/drivers/media/usb/dvb-usb-v2/mxl111sf.h new file mode 100644 index 0000000000..e57e5d2353 --- /dev/null +++ b/drivers/media/usb/dvb-usb-v2/mxl111sf.h @@ -0,0 +1,168 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2010-2014 Michael Krufky (mkrufky@linuxtv.org) + * + * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information + */ + +#ifndef _DVB_USB_MXL111SF_H_ +#define _DVB_USB_MXL111SF_H_ + +#ifdef DVB_USB_LOG_PREFIX +#undef DVB_USB_LOG_PREFIX +#endif +#define DVB_USB_LOG_PREFIX "mxl111sf" +#include "dvb_usb.h" +#include <media/tveeprom.h> +#include <media/media-entity.h> + +/* Max transfer size done by I2C transfer functions */ +#define MXL_MAX_XFER_SIZE 64 + +#define MXL_EP1_REG_READ 1 +#define MXL_EP2_REG_WRITE 2 +#define MXL_EP3_INTERRUPT 3 +#define MXL_EP4_MPEG2 4 +#define MXL_EP5_I2S 5 +#define MXL_EP6_656 6 +#define MXL_EP6_MPEG2 6 + +#ifdef USING_ENUM_mxl111sf_current_mode +enum mxl111sf_current_mode { + mxl_mode_dvbt = MXL_EP4_MPEG2, + mxl_mode_mh = MXL_EP5_I2S, + mxl_mode_atsc = MXL_EP6_MPEG2, +}; +#endif + +enum mxl111sf_gpio_port_expander { + mxl111sf_gpio_hw, + mxl111sf_PCA9534, +}; + +struct mxl111sf_adap_state { + int alt_mode; + int gpio_mode; + int device_mode; + int ep6_clockphase; + int (*fe_init)(struct dvb_frontend *); + int (*fe_sleep)(struct dvb_frontend *); +}; + +enum mxl111sf_pads { + MXL111SF_PAD_RF_INPUT, + MXL111SF_PAD_OUTPUT, + MXL111SF_NUM_PADS +}; + +struct mxl111sf_state { + struct dvb_usb_device *d; + + enum mxl111sf_gpio_port_expander gpio_port_expander; + u8 port_expander_addr; + + u8 chip_id; + u8 chip_ver; +#define MXL111SF_V6 1 +#define MXL111SF_V8_100 2 +#define MXL111SF_V8_200 3 + u8 chip_rev; + +#ifdef USING_ENUM_mxl111sf_current_mode + enum mxl111sf_current_mode current_mode; +#endif + +#define MXL_TUNER_MODE 0 +#define MXL_SOC_MODE 1 +#define MXL_DEV_MODE_MASK 0x01 +#if 1 + int device_mode; +#endif + /* use usb alt setting 1 for EP4 ISOC transfer (dvb-t), + EP5 BULK transfer (atsc-mh), + EP6 BULK transfer (atsc/qam), + use usb alt setting 2 for EP4 BULK transfer (dvb-t), + EP5 ISOC transfer (atsc-mh), + EP6 ISOC transfer (atsc/qam), + */ + int alt_mode; + int gpio_mode; + struct tveeprom tv; + + struct mutex fe_lock; + u8 num_frontends; + struct mxl111sf_adap_state adap_state[3]; + u8 sndbuf[MXL_MAX_XFER_SIZE]; + u8 rcvbuf[MXL_MAX_XFER_SIZE]; + struct mutex msg_lock; +#ifdef CONFIG_MEDIA_CONTROLLER_DVB + struct media_entity tuner; + struct media_pad tuner_pads[MXL111SF_NUM_PADS]; +#endif +}; + +int mxl111sf_read_reg(struct mxl111sf_state *state, u8 addr, u8 *data); +int mxl111sf_write_reg(struct mxl111sf_state *state, u8 addr, u8 data); + +struct mxl111sf_reg_ctrl_info { + u8 addr; + u8 mask; + u8 data; +}; + +int mxl111sf_write_reg_mask(struct mxl111sf_state *state, + u8 addr, u8 mask, u8 data); +int mxl111sf_ctrl_program_regs(struct mxl111sf_state *state, + struct mxl111sf_reg_ctrl_info *ctrl_reg_info); + +/* needed for hardware i2c functions in mxl111sf-i2c.c: + * mxl111sf_i2c_send_data / mxl111sf_i2c_get_data */ +int mxl111sf_ctrl_msg(struct mxl111sf_state *state, + u8 cmd, u8 *wbuf, int wlen, u8 *rbuf, int rlen); + +#define mxl_printk(kern, fmt, arg...) \ + printk(kern "%s: " fmt "\n", __func__, ##arg) + +#define mxl_info(fmt, arg...) \ + mxl_printk(KERN_INFO, fmt, ##arg) + +extern int dvb_usb_mxl111sf_debug; +#define mxl_debug(fmt, arg...) \ + if (dvb_usb_mxl111sf_debug) \ + mxl_printk(KERN_DEBUG, fmt, ##arg) + +#define MXL_I2C_DBG 0x04 +#define MXL_ADV_DBG 0x10 +#define mxl_debug_adv(fmt, arg...) \ + if (dvb_usb_mxl111sf_debug & MXL_ADV_DBG) \ + mxl_printk(KERN_DEBUG, fmt, ##arg) + +#define mxl_i2c(fmt, arg...) \ + if (dvb_usb_mxl111sf_debug & MXL_I2C_DBG) \ + mxl_printk(KERN_DEBUG, fmt, ##arg) + +#define mxl_i2c_adv(fmt, arg...) \ + if ((dvb_usb_mxl111sf_debug & (MXL_I2C_DBG | MXL_ADV_DBG)) == \ + (MXL_I2C_DBG | MXL_ADV_DBG)) \ + mxl_printk(KERN_DEBUG, fmt, ##arg) + +/* The following allows the mxl_fail() macro defined below to work + * in externel modules, such as mxl111sf-tuner.ko, even though + * dvb_usb_mxl111sf_debug is not defined within those modules */ +#if (defined(__MXL111SF_TUNER_H__)) || (defined(__MXL111SF_DEMOD_H__)) +#define MXL_ADV_DEBUG_ENABLED MXL_ADV_DBG +#else +#define MXL_ADV_DEBUG_ENABLED dvb_usb_mxl111sf_debug +#endif + +#define mxl_fail(ret) \ +({ \ + int __ret; \ + __ret = (ret < 0); \ + if ((__ret) && (MXL_ADV_DEBUG_ENABLED & MXL_ADV_DBG)) \ + mxl_printk(KERN_ERR, "error %d on line %d", \ + ret, __LINE__); \ + __ret; \ +}) + +#endif /* _DVB_USB_MXL111SF_H_ */ |