diff options
Diffstat (limited to 'sound/pci/cmipci.c')
| -rw-r--r-- | sound/pci/cmipci.c | 3344 |
1 files changed, 3344 insertions, 0 deletions
diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c new file mode 100644 index 000000000..6d25c12d9 --- /dev/null +++ b/sound/pci/cmipci.c @@ -0,0 +1,3344 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Driver for C-Media CMI8338 and 8738 PCI soundcards. + * Copyright (c) 2000 by Takashi Iwai <tiwai@suse.de> + */ + +/* Does not work. Warning may block system in capture mode */ +/* #define USE_VAR48KRATE */ + +#include <linux/io.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/slab.h> +#include <linux/gameport.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <sound/core.h> +#include <sound/info.h> +#include <sound/control.h> +#include <sound/pcm.h> +#include <sound/rawmidi.h> +#include <sound/mpu401.h> +#include <sound/opl3.h> +#include <sound/sb.h> +#include <sound/asoundef.h> +#include <sound/initval.h> + +MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); +MODULE_DESCRIPTION("C-Media CMI8x38 PCI"); +MODULE_LICENSE("GPL"); + +#if IS_REACHABLE(CONFIG_GAMEPORT) +#define SUPPORT_JOYSTICK 1 +#endif + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ +static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ +static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable switches */ +static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = 1}; +static long fm_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)]=1}; +static bool soft_ac3[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)]=1}; +#ifdef SUPPORT_JOYSTICK +static int joystick_port[SNDRV_CARDS]; +#endif + +module_param_array(index, int, NULL, 0444); +MODULE_PARM_DESC(index, "Index value for C-Media PCI soundcard."); +module_param_array(id, charp, NULL, 0444); +MODULE_PARM_DESC(id, "ID string for C-Media PCI soundcard."); +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(enable, "Enable C-Media PCI soundcard."); +module_param_hw_array(mpu_port, long, ioport, NULL, 0444); +MODULE_PARM_DESC(mpu_port, "MPU-401 port."); +module_param_hw_array(fm_port, long, ioport, NULL, 0444); +MODULE_PARM_DESC(fm_port, "FM port."); +module_param_array(soft_ac3, bool, NULL, 0444); +MODULE_PARM_DESC(soft_ac3, "Software-conversion of raw SPDIF packets (model 033 only)."); +#ifdef SUPPORT_JOYSTICK +module_param_hw_array(joystick_port, int, ioport, NULL, 0444); +MODULE_PARM_DESC(joystick_port, "Joystick port address."); +#endif + +/* + * CM8x38 registers definition + */ + +#define CM_REG_FUNCTRL0 0x00 +#define CM_RST_CH1 0x00080000 +#define CM_RST_CH0 0x00040000 +#define CM_CHEN1 0x00020000 /* ch1: enable */ +#define CM_CHEN0 0x00010000 /* ch0: enable */ +#define CM_PAUSE1 0x00000008 /* ch1: pause */ +#define CM_PAUSE0 0x00000004 /* ch0: pause */ +#define CM_CHADC1 0x00000002 /* ch1, 0:playback, 1:record */ +#define CM_CHADC0 0x00000001 /* ch0, 0:playback, 1:record */ + +#define CM_REG_FUNCTRL1 0x04 +#define CM_DSFC_MASK 0x0000E000 /* channel 1 (DAC?) sampling frequency */ +#define CM_DSFC_SHIFT 13 +#define CM_ASFC_MASK 0x00001C00 /* channel 0 (ADC?) sampling frequency */ +#define CM_ASFC_SHIFT 10 +#define CM_SPDF_1 0x00000200 /* SPDIF IN/OUT at channel B */ +#define CM_SPDF_0 0x00000100 /* SPDIF OUT only channel A */ +#define CM_SPDFLOOP 0x00000080 /* ext. SPDIIF/IN -> OUT loopback */ +#define CM_SPDO2DAC 0x00000040 /* SPDIF/OUT can be heard from internal DAC */ +#define CM_INTRM 0x00000020 /* master control block (MCB) interrupt enabled */ +#define CM_BREQ 0x00000010 /* bus master enabled */ +#define CM_VOICE_EN 0x00000008 /* legacy voice (SB16,FM) */ +#define CM_UART_EN 0x00000004 /* legacy UART */ +#define CM_JYSTK_EN 0x00000002 /* legacy joystick */ +#define CM_ZVPORT 0x00000001 /* ZVPORT */ + +#define CM_REG_CHFORMAT 0x08 + +#define CM_CHB3D5C 0x80000000 /* 5,6 channels */ +#define CM_FMOFFSET2 0x40000000 /* initial FM PCM offset 2 when Fmute=1 */ +#define CM_CHB3D 0x20000000 /* 4 channels */ + +#define CM_CHIP_MASK1 0x1f000000 +#define CM_CHIP_037 0x01000000 +#define CM_SETLAT48 0x00800000 /* set latency timer 48h */ +#define CM_EDGEIRQ 0x00400000 /* emulated edge trigger legacy IRQ */ +#define CM_SPD24SEL39 0x00200000 /* 24-bit spdif: model 039 */ +#define CM_AC3EN1 0x00100000 /* enable AC3: model 037 */ +#define CM_SPDIF_SELECT1 0x00080000 /* for model <= 037 ? */ +#define CM_SPD24SEL 0x00020000 /* 24bit spdif: model 037 */ +/* #define CM_SPDIF_INVERSE 0x00010000 */ /* ??? */ + +#define CM_ADCBITLEN_MASK 0x0000C000 +#define CM_ADCBITLEN_16 0x00000000 +#define CM_ADCBITLEN_15 0x00004000 +#define CM_ADCBITLEN_14 0x00008000 +#define CM_ADCBITLEN_13 0x0000C000 + +#define CM_ADCDACLEN_MASK 0x00003000 /* model 037 */ +#define CM_ADCDACLEN_060 0x00000000 +#define CM_ADCDACLEN_066 0x00001000 +#define CM_ADCDACLEN_130 0x00002000 +#define CM_ADCDACLEN_280 0x00003000 + +#define CM_ADCDLEN_MASK 0x00003000 /* model 039 */ +#define CM_ADCDLEN_ORIGINAL 0x00000000 +#define CM_ADCDLEN_EXTRA 0x00001000 +#define CM_ADCDLEN_24K 0x00002000 +#define CM_ADCDLEN_WEIGHT 0x00003000 + +#define CM_CH1_SRATE_176K 0x00000800 +#define CM_CH1_SRATE_96K 0x00000800 /* model 055? */ +#define CM_CH1_SRATE_88K 0x00000400 +#define CM_CH0_SRATE_176K 0x00000200 +#define CM_CH0_SRATE_96K 0x00000200 /* model 055? */ +#define CM_CH0_SRATE_88K 0x00000100 +#define CM_CH0_SRATE_128K 0x00000300 +#define CM_CH0_SRATE_MASK 0x00000300 + +#define CM_SPDIF_INVERSE2 0x00000080 /* model 055? */ +#define CM_DBLSPDS 0x00000040 /* double SPDIF sample rate 88.2/96 */ +#define CM_POLVALID 0x00000020 /* inverse SPDIF/IN valid bit */ +#define CM_SPDLOCKED 0x00000010 + +#define CM_CH1FMT_MASK 0x0000000C /* bit 3: 16 bits, bit 2: stereo */ +#define CM_CH1FMT_SHIFT 2 +#define CM_CH0FMT_MASK 0x00000003 /* bit 1: 16 bits, bit 0: stereo */ +#define CM_CH0FMT_SHIFT 0 + +#define CM_REG_INT_HLDCLR 0x0C +#define CM_CHIP_MASK2 0xff000000 +#define CM_CHIP_8768 0x20000000 +#define CM_CHIP_055 0x08000000 +#define CM_CHIP_039 0x04000000 +#define CM_CHIP_039_6CH 0x01000000 +#define CM_UNKNOWN_INT_EN 0x00080000 /* ? */ +#define CM_TDMA_INT_EN 0x00040000 +#define CM_CH1_INT_EN 0x00020000 +#define CM_CH0_INT_EN 0x00010000 + +#define CM_REG_INT_STATUS 0x10 +#define CM_INTR 0x80000000 +#define CM_VCO 0x08000000 /* Voice Control? CMI8738 */ +#define CM_MCBINT 0x04000000 /* Master Control Block abort cond.? */ +#define CM_UARTINT 0x00010000 +#define CM_LTDMAINT 0x00008000 +#define CM_HTDMAINT 0x00004000 +#define CM_XDO46 0x00000080 /* Modell 033? Direct programming EEPROM (read data register) */ +#define CM_LHBTOG 0x00000040 /* High/Low status from DMA ctrl register */ +#define CM_LEG_HDMA 0x00000020 /* Legacy is in High DMA channel */ +#define CM_LEG_STEREO 0x00000010 /* Legacy is in Stereo mode */ +#define CM_CH1BUSY 0x00000008 +#define CM_CH0BUSY 0x00000004 +#define CM_CHINT1 0x00000002 +#define CM_CHINT0 0x00000001 + +#define CM_REG_LEGACY_CTRL 0x14 +#define CM_NXCHG 0x80000000 /* don't map base reg dword->sample */ +#define CM_VMPU_MASK 0x60000000 /* MPU401 i/o port address */ +#define CM_VMPU_330 0x00000000 +#define CM_VMPU_320 0x20000000 +#define CM_VMPU_310 0x40000000 +#define CM_VMPU_300 0x60000000 +#define CM_ENWR8237 0x10000000 /* enable bus master to write 8237 base reg */ +#define CM_VSBSEL_MASK 0x0C000000 /* SB16 base address */ +#define CM_VSBSEL_220 0x00000000 +#define CM_VSBSEL_240 0x04000000 +#define CM_VSBSEL_260 0x08000000 +#define CM_VSBSEL_280 0x0C000000 +#define CM_FMSEL_MASK 0x03000000 /* FM OPL3 base address */ +#define CM_FMSEL_388 0x00000000 +#define CM_FMSEL_3C8 0x01000000 +#define CM_FMSEL_3E0 0x02000000 +#define CM_FMSEL_3E8 0x03000000 +#define CM_ENSPDOUT 0x00800000 /* enable XSPDIF/OUT to I/O interface */ +#define CM_SPDCOPYRHT 0x00400000 /* spdif in/out copyright bit */ +#define CM_DAC2SPDO 0x00200000 /* enable wave+fm_midi -> SPDIF/OUT */ +#define CM_INVIDWEN 0x00100000 /* internal vendor ID write enable, model 039? */ +#define CM_SETRETRY 0x00100000 /* 0: legacy i/o wait (default), 1: legacy i/o bus retry */ +#define CM_C_EEACCESS 0x00080000 /* direct programming eeprom regs */ +#define CM_C_EECS 0x00040000 +#define CM_C_EEDI46 0x00020000 +#define CM_C_EECK46 0x00010000 +#define CM_CHB3D6C 0x00008000 /* 5.1 channels support */ +#define CM_CENTR2LIN 0x00004000 /* line-in as center out */ +#define CM_BASE2LIN 0x00002000 /* line-in as bass out */ +#define CM_EXBASEN 0x00001000 /* external bass input enable */ + +#define CM_REG_MISC_CTRL 0x18 +#define CM_PWD 0x80000000 /* power down */ +#define CM_RESET 0x40000000 +#define CM_SFIL_MASK 0x30000000 /* filter control at front end DAC, model 037? */ +#define CM_VMGAIN 0x10000000 /* analog master amp +6dB, model 039? */ +#define CM_TXVX 0x08000000 /* model 037? */ +#define CM_N4SPK3D 0x04000000 /* copy front to rear */ +#define CM_SPDO5V 0x02000000 /* 5V spdif output (1 = 0.5v (coax)) */ +#define CM_SPDIF48K 0x01000000 /* write */ +#define CM_SPATUS48K 0x01000000 /* read */ +#define CM_ENDBDAC 0x00800000 /* enable double dac */ +#define CM_XCHGDAC 0x00400000 /* 0: front=ch0, 1: front=ch1 */ +#define CM_SPD32SEL 0x00200000 /* 0: 16bit SPDIF, 1: 32bit */ +#define CM_SPDFLOOPI 0x00100000 /* int. SPDIF-OUT -> int. IN */ +#define CM_FM_EN 0x00080000 /* enable legacy FM */ +#define CM_AC3EN2 0x00040000 /* enable AC3: model 039 */ +#define CM_ENWRASID 0x00010000 /* choose writable internal SUBID (audio) */ +#define CM_VIDWPDSB 0x00010000 /* model 037? */ +#define CM_SPDF_AC97 0x00008000 /* 0: SPDIF/OUT 44.1K, 1: 48K */ +#define CM_MASK_EN 0x00004000 /* activate channel mask on legacy DMA */ +#define CM_ENWRMSID 0x00002000 /* choose writable internal SUBID (modem) */ +#define CM_VIDWPPRT 0x00002000 /* model 037? */ +#define CM_SFILENB 0x00001000 /* filter stepping at front end DAC, model 037? */ +#define CM_MMODE_MASK 0x00000E00 /* model DAA interface mode */ +#define CM_SPDIF_SELECT2 0x00000100 /* for model > 039 ? */ +#define CM_ENCENTER 0x00000080 +#define CM_FLINKON 0x00000040 /* force modem link detection on, model 037 */ +#define CM_MUTECH1 0x00000040 /* mute PCI ch1 to DAC */ +#define CM_FLINKOFF 0x00000020 /* force modem link detection off, model 037 */ +#define CM_MIDSMP 0x00000010 /* 1/2 interpolation at front end DAC */ +#define CM_UPDDMA_MASK 0x0000000C /* TDMA position update notification */ +#define CM_UPDDMA_2048 0x00000000 +#define CM_UPDDMA_1024 0x00000004 +#define CM_UPDDMA_512 0x00000008 +#define CM_UPDDMA_256 0x0000000C +#define CM_TWAIT_MASK 0x00000003 /* model 037 */ +#define CM_TWAIT1 0x00000002 /* FM i/o cycle, 0: 48, 1: 64 PCICLKs */ +#define CM_TWAIT0 0x00000001 /* i/o cycle, 0: 4, 1: 6 PCICLKs */ + +#define CM_REG_TDMA_POSITION 0x1C +#define CM_TDMA_CNT_MASK 0xFFFF0000 /* current byte/word count */ +#define CM_TDMA_ADR_MASK 0x0000FFFF /* current address */ + + /* byte */ +#define CM_REG_MIXER0 0x20 +#define CM_REG_SBVR 0x20 /* write: sb16 version */ +#define CM_REG_DEV 0x20 /* read: hardware device version */ + +#define CM_REG_MIXER21 0x21 +#define CM_UNKNOWN_21_MASK 0x78 /* ? */ +#define CM_X_ADPCM 0x04 /* SB16 ADPCM enable */ +#define CM_PROINV 0x02 /* SBPro left/right channel switching */ +#define CM_X_SB16 0x01 /* SB16 compatible */ + +#define CM_REG_SB16_DATA 0x22 +#define CM_REG_SB16_ADDR 0x23 + +#define CM_REFFREQ_XIN (315*1000*1000)/22 /* 14.31818 Mhz reference clock frequency pin XIN */ +#define CM_ADCMULT_XIN 512 /* Guessed (487 best for 44.1kHz, not for 88/176kHz) */ +#define CM_TOLERANCE_RATE 0.001 /* Tolerance sample rate pitch (1000ppm) */ +#define CM_MAXIMUM_RATE 80000000 /* Note more than 80MHz */ + +#define CM_REG_MIXER1 0x24 +#define CM_FMMUTE 0x80 /* mute FM */ +#define CM_FMMUTE_SHIFT 7 +#define CM_WSMUTE 0x40 /* mute PCM */ +#define CM_WSMUTE_SHIFT 6 +#define CM_REAR2LIN 0x20 /* lin-in -> rear line out */ +#define CM_REAR2LIN_SHIFT 5 +#define CM_REAR2FRONT 0x10 /* exchange rear/front */ +#define CM_REAR2FRONT_SHIFT 4 +#define CM_WAVEINL 0x08 /* digital wave rec. left chan */ +#define CM_WAVEINL_SHIFT 3 +#define CM_WAVEINR 0x04 /* digical wave rec. right */ +#define CM_WAVEINR_SHIFT 2 +#define CM_X3DEN 0x02 /* 3D surround enable */ +#define CM_X3DEN_SHIFT 1 +#define CM_CDPLAY 0x01 /* enable SPDIF/IN PCM -> DAC */ +#define CM_CDPLAY_SHIFT 0 + +#define CM_REG_MIXER2 0x25 +#define CM_RAUXREN 0x80 /* AUX right capture */ +#define CM_RAUXREN_SHIFT 7 +#define CM_RAUXLEN 0x40 /* AUX left capture */ +#define CM_RAUXLEN_SHIFT 6 +#define CM_VAUXRM 0x20 /* AUX right mute */ +#define CM_VAUXRM_SHIFT 5 +#define CM_VAUXLM 0x10 /* AUX left mute */ +#define CM_VAUXLM_SHIFT 4 +#define CM_VADMIC_MASK 0x0e /* mic gain level (0-3) << 1 */ +#define CM_VADMIC_SHIFT 1 +#define CM_MICGAINZ 0x01 /* mic boost */ +#define CM_MICGAINZ_SHIFT 0 + +#define CM_REG_AUX_VOL 0x26 +#define CM_VAUXL_MASK 0xf0 +#define CM_VAUXR_MASK 0x0f + +#define CM_REG_MISC 0x27 +#define CM_UNKNOWN_27_MASK 0xd8 /* ? */ +#define CM_XGPO1 0x20 +// #define CM_XGPBIO 0x04 +#define CM_MIC_CENTER_LFE 0x04 /* mic as center/lfe out? (model 039 or later?) */ +#define CM_SPDIF_INVERSE 0x04 /* spdif input phase inverse (model 037) */ +#define CM_SPDVALID 0x02 /* spdif input valid check */ +#define CM_DMAUTO 0x01 /* SB16 DMA auto detect */ + +#define CM_REG_AC97 0x28 /* hmmm.. do we have ac97 link? */ +/* + * For CMI-8338 (0x28 - 0x2b) .. is this valid for CMI-8738 + * or identical with AC97 codec? + */ +#define CM_REG_EXTERN_CODEC CM_REG_AC97 + +/* + * MPU401 pci port index address 0x40 - 0x4f (CMI-8738 spec ver. 0.6) + */ +#define CM_REG_MPU_PCI 0x40 + +/* + * FM pci port index address 0x50 - 0x5f (CMI-8738 spec ver. 0.6) + */ +#define CM_REG_FM_PCI 0x50 + +/* + * access from SB-mixer port + */ +#define CM_REG_EXTENT_IND 0xf0 +#define CM_VPHONE_MASK 0xe0 /* Phone volume control (0-3) << 5 */ +#define CM_VPHONE_SHIFT 5 +#define CM_VPHOM 0x10 /* Phone mute control */ +#define CM_VSPKM 0x08 /* Speaker mute control, default high */ +#define CM_RLOOPREN 0x04 /* Rec. R-channel enable */ +#define CM_RLOOPLEN 0x02 /* Rec. L-channel enable */ +#define CM_VADMIC3 0x01 /* Mic record boost */ + +/* + * CMI-8338 spec ver 0.5 (this is not valid for CMI-8738): + * the 8 registers 0xf8 - 0xff are used for programming m/n counter by the PLL + * unit (readonly?). + */ +#define CM_REG_PLL 0xf8 + +/* + * extended registers + */ +#define CM_REG_CH0_FRAME1 0x80 /* write: base address */ +#define CM_REG_CH0_FRAME2 0x84 /* read: current address */ +#define CM_REG_CH1_FRAME1 0x88 /* 0-15: count of samples at bus master; buffer size */ +#define CM_REG_CH1_FRAME2 0x8C /* 16-31: count of samples at codec; fragment size */ + +#define CM_REG_EXT_MISC 0x90 +#define CM_ADC48K44K 0x10000000 /* ADC parameters group, 0: 44k, 1: 48k */ +#define CM_CHB3D8C 0x00200000 /* 7.1 channels support */ +#define CM_SPD32FMT 0x00100000 /* SPDIF/IN 32k sample rate */ +#define CM_ADC2SPDIF 0x00080000 /* ADC output to SPDIF/OUT */ +#define CM_SHAREADC 0x00040000 /* DAC in ADC as Center/LFE */ +#define CM_REALTCMP 0x00020000 /* monitor the CMPL/CMPR of ADC */ +#define CM_INVLRCK 0x00010000 /* invert ZVPORT's LRCK */ +#define CM_UNKNOWN_90_MASK 0x0000FFFF /* ? */ + +/* + * size of i/o region + */ +#define CM_EXTENT_CODEC 0x100 +#define CM_EXTENT_MIDI 0x2 +#define CM_EXTENT_SYNTH 0x4 + + +/* + * channels for playback / capture + */ +#define CM_CH_PLAY 0 +#define CM_CH_CAPT 1 + +/* + * flags to check device open/close + */ +#define CM_OPEN_NONE 0 +#define CM_OPEN_CH_MASK 0x01 +#define CM_OPEN_DAC 0x10 +#define CM_OPEN_ADC 0x20 +#define CM_OPEN_SPDIF 0x40 +#define CM_OPEN_MCHAN 0x80 +#define CM_OPEN_PLAYBACK (CM_CH_PLAY | CM_OPEN_DAC) +#define CM_OPEN_PLAYBACK2 (CM_CH_CAPT | CM_OPEN_DAC) +#define CM_OPEN_PLAYBACK_MULTI (CM_CH_PLAY | CM_OPEN_DAC | CM_OPEN_MCHAN) +#define CM_OPEN_CAPTURE (CM_CH_CAPT | CM_OPEN_ADC) +#define CM_OPEN_SPDIF_PLAYBACK (CM_CH_PLAY | CM_OPEN_DAC | CM_OPEN_SPDIF) +#define CM_OPEN_SPDIF_CAPTURE (CM_CH_CAPT | CM_OPEN_ADC | CM_OPEN_SPDIF) + + +#if CM_CH_PLAY == 1 +#define CM_PLAYBACK_SRATE_176K CM_CH1_SRATE_176K +#define CM_PLAYBACK_SPDF CM_SPDF_1 +#define CM_CAPTURE_SPDF CM_SPDF_0 +#else +#define CM_PLAYBACK_SRATE_176K CM_CH0_SRATE_176K +#define CM_PLAYBACK_SPDF CM_SPDF_0 +#define CM_CAPTURE_SPDF CM_SPDF_1 +#endif + + +/* + * driver data + */ + +struct cmipci_pcm { + struct snd_pcm_substream *substream; + u8 running; /* dac/adc running? */ + u8 fmt; /* format bits */ + u8 is_dac; + u8 needs_silencing; + unsigned int dma_size; /* in frames */ + unsigned int shift; + unsigned int ch; /* channel (0/1) */ + unsigned int offset; /* physical address of the buffer */ +}; + +/* mixer elements toggled/resumed during ac3 playback */ +struct cmipci_mixer_auto_switches { + const char *name; /* switch to toggle */ + int toggle_on; /* value to change when ac3 mode */ +}; +static const struct cmipci_mixer_auto_switches cm_saved_mixer[] = { + {"PCM Playback Switch", 0}, + {"IEC958 Output Switch", 1}, + {"IEC958 Mix Analog", 0}, + // {"IEC958 Out To DAC", 1}, // no longer used + {"IEC958 Loop", 0}, +}; +#define CM_SAVED_MIXERS ARRAY_SIZE(cm_saved_mixer) + +struct cmipci { + struct snd_card *card; + + struct pci_dev *pci; + unsigned int device; /* device ID */ + int irq; + + unsigned long iobase; + unsigned int ctrl; /* FUNCTRL0 current value */ + + struct snd_pcm *pcm; /* DAC/ADC PCM */ + struct snd_pcm *pcm2; /* 2nd DAC */ + struct snd_pcm *pcm_spdif; /* SPDIF */ + + int chip_version; + int max_channels; + unsigned int can_ac3_sw: 1; + unsigned int can_ac3_hw: 1; + unsigned int can_multi_ch: 1; + unsigned int can_96k: 1; /* samplerate above 48k */ + unsigned int do_soft_ac3: 1; + + unsigned int spdif_playback_avail: 1; /* spdif ready? */ + unsigned int spdif_playback_enabled: 1; /* spdif switch enabled? */ + int spdif_counter; /* for software AC3 */ + + unsigned int dig_status; + unsigned int dig_pcm_status; + + struct snd_pcm_hardware *hw_info[3]; /* for playbacks */ + + int opened[2]; /* open mode */ + struct mutex open_mutex; + + unsigned int mixer_insensitive: 1; + struct snd_kcontrol *mixer_res_ctl[CM_SAVED_MIXERS]; + int mixer_res_status[CM_SAVED_MIXERS]; + + struct cmipci_pcm channel[2]; /* ch0 - DAC, ch1 - ADC or 2nd DAC */ + + /* external MIDI */ + struct snd_rawmidi *rmidi; + +#ifdef SUPPORT_JOYSTICK + struct gameport *gameport; +#endif + + spinlock_t reg_lock; + +#ifdef CONFIG_PM_SLEEP + unsigned int saved_regs[0x20]; + unsigned char saved_mixers[0x20]; +#endif +}; + + +/* read/write operations for dword register */ +static inline void snd_cmipci_write(struct cmipci *cm, unsigned int cmd, unsigned int data) +{ + outl(data, cm->iobase + cmd); +} + +static inline unsigned int snd_cmipci_read(struct cmipci *cm, unsigned int cmd) +{ + return inl(cm->iobase + cmd); +} + +/* read/write operations for word register */ +static inline void snd_cmipci_write_w(struct cmipci *cm, unsigned int cmd, unsigned short data) +{ + outw(data, cm->iobase + cmd); +} + +static inline unsigned short snd_cmipci_read_w(struct cmipci *cm, unsigned int cmd) +{ + return inw(cm->iobase + cmd); +} + +/* read/write operations for byte register */ +static inline void snd_cmipci_write_b(struct cmipci *cm, unsigned int cmd, unsigned char data) +{ + outb(data, cm->iobase + cmd); +} + +static inline unsigned char snd_cmipci_read_b(struct cmipci *cm, unsigned int cmd) +{ + return inb(cm->iobase + cmd); +} + +/* bit operations for dword register */ +static int snd_cmipci_set_bit(struct cmipci *cm, unsigned int cmd, unsigned int flag) +{ + unsigned int val, oval; + val = oval = inl(cm->iobase + cmd); + val |= flag; + if (val == oval) + return 0; + outl(val, cm->iobase + cmd); + return 1; +} + +static int snd_cmipci_clear_bit(struct cmipci *cm, unsigned int cmd, unsigned int flag) +{ + unsigned int val, oval; + val = oval = inl(cm->iobase + cmd); + val &= ~flag; + if (val == oval) + return 0; + outl(val, cm->iobase + cmd); + return 1; +} + +/* bit operations for byte register */ +static int snd_cmipci_set_bit_b(struct cmipci *cm, unsigned int cmd, unsigned char flag) +{ + unsigned char val, oval; + val = oval = inb(cm->iobase + cmd); + val |= flag; + if (val == oval) + return 0; + outb(val, cm->iobase + cmd); + return 1; +} + +static int snd_cmipci_clear_bit_b(struct cmipci *cm, unsigned int cmd, unsigned char flag) +{ + unsigned char val, oval; + val = oval = inb(cm->iobase + cmd); + val &= ~flag; + if (val == oval) + return 0; + outb(val, cm->iobase + cmd); + return 1; +} + + +/* + * PCM interface + */ + +/* + * calculate frequency + */ + +static const unsigned int rates[] = { 5512, 11025, 22050, 44100, 8000, 16000, 32000, 48000 }; + +static unsigned int snd_cmipci_rate_freq(unsigned int rate) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(rates); i++) { + if (rates[i] == rate) + return i; + } + snd_BUG(); + return 0; +} + +#ifdef USE_VAR48KRATE +/* + * Determine PLL values for frequency setup, maybe the CMI8338 (CMI8738???) + * does it this way .. maybe not. Never get any information from C-Media about + * that <werner@suse.de>. + */ +static int snd_cmipci_pll_rmn(unsigned int rate, unsigned int adcmult, int *r, int *m, int *n) +{ + unsigned int delta, tolerance; + int xm, xn, xr; + + for (*r = 0; rate < CM_MAXIMUM_RATE/adcmult; *r += (1<<5)) + rate <<= 1; + *n = -1; + if (*r > 0xff) + goto out; + tolerance = rate*CM_TOLERANCE_RATE; + + for (xn = (1+2); xn < (0x1f+2); xn++) { + for (xm = (1+2); xm < (0xff+2); xm++) { + xr = ((CM_REFFREQ_XIN/adcmult) * xm) / xn; + + if (xr < rate) + delta = rate - xr; + else + delta = xr - rate; + + /* + * If we found one, remember this, + * and try to find a closer one + */ + if (delta < tolerance) { + tolerance = delta; + *m = xm - 2; + *n = xn - 2; + } + } + } +out: + return (*n > -1); +} + +/* + * Program pll register bits, I assume that the 8 registers 0xf8 up to 0xff + * are mapped onto the 8 ADC/DAC sampling frequency which can be chosen + * at the register CM_REG_FUNCTRL1 (0x04). + * Problem: other ways are also possible (any information about that?) + */ +static void snd_cmipci_set_pll(struct cmipci *cm, unsigned int rate, unsigned int slot) +{ + unsigned int reg = CM_REG_PLL + slot; + /* + * Guess that this programs at reg. 0x04 the pos 15:13/12:10 + * for DSFC/ASFC (000 up to 111). + */ + + /* FIXME: Init (Do we've to set an other register first before programming?) */ + + /* FIXME: Is this correct? Or shouldn't the m/n/r values be used for that? */ + snd_cmipci_write_b(cm, reg, rate>>8); + snd_cmipci_write_b(cm, reg, rate&0xff); + + /* FIXME: Setup (Do we've to set an other register first to enable this?) */ +} +#endif /* USE_VAR48KRATE */ + +static int snd_cmipci_playback2_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + if (params_channels(hw_params) > 2) { + mutex_lock(&cm->open_mutex); + if (cm->opened[CM_CH_PLAY]) { + mutex_unlock(&cm->open_mutex); + return -EBUSY; + } + /* reserve the channel A */ + cm->opened[CM_CH_PLAY] = CM_OPEN_PLAYBACK_MULTI; + mutex_unlock(&cm->open_mutex); + } + return 0; +} + +static void snd_cmipci_ch_reset(struct cmipci *cm, int ch) +{ + int reset = CM_RST_CH0 << (cm->channel[ch].ch); + snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl | reset); + snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl & ~reset); + udelay(10); +} + + +/* + */ + +static const unsigned int hw_channels[] = {1, 2, 4, 6, 8}; +static const struct snd_pcm_hw_constraint_list hw_constraints_channels_4 = { + .count = 3, + .list = hw_channels, + .mask = 0, +}; +static const struct snd_pcm_hw_constraint_list hw_constraints_channels_6 = { + .count = 4, + .list = hw_channels, + .mask = 0, +}; +static const struct snd_pcm_hw_constraint_list hw_constraints_channels_8 = { + .count = 5, + .list = hw_channels, + .mask = 0, +}; + +static int set_dac_channels(struct cmipci *cm, struct cmipci_pcm *rec, int channels) +{ + if (channels > 2) { + if (!cm->can_multi_ch || !rec->ch) + return -EINVAL; + if (rec->fmt != 0x03) /* stereo 16bit only */ + return -EINVAL; + } + + if (cm->can_multi_ch) { + spin_lock_irq(&cm->reg_lock); + if (channels > 2) { + snd_cmipci_set_bit(cm, CM_REG_LEGACY_CTRL, CM_NXCHG); + snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_XCHGDAC); + } else { + snd_cmipci_clear_bit(cm, CM_REG_LEGACY_CTRL, CM_NXCHG); + snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_XCHGDAC); + } + if (channels == 8) + snd_cmipci_set_bit(cm, CM_REG_EXT_MISC, CM_CHB3D8C); + else + snd_cmipci_clear_bit(cm, CM_REG_EXT_MISC, CM_CHB3D8C); + if (channels == 6) { + snd_cmipci_set_bit(cm, CM_REG_CHFORMAT, CM_CHB3D5C); + snd_cmipci_set_bit(cm, CM_REG_LEGACY_CTRL, CM_CHB3D6C); + } else { + snd_cmipci_clear_bit(cm, CM_REG_CHFORMAT, CM_CHB3D5C); + snd_cmipci_clear_bit(cm, CM_REG_LEGACY_CTRL, CM_CHB3D6C); + } + if (channels == 4) + snd_cmipci_set_bit(cm, CM_REG_CHFORMAT, CM_CHB3D); + else + snd_cmipci_clear_bit(cm, CM_REG_CHFORMAT, CM_CHB3D); + spin_unlock_irq(&cm->reg_lock); + } + return 0; +} + + +/* + * prepare playback/capture channel + * channel to be used must have been set in rec->ch. + */ +static int snd_cmipci_pcm_prepare(struct cmipci *cm, struct cmipci_pcm *rec, + struct snd_pcm_substream *substream) +{ + unsigned int reg, freq, freq_ext, val; + unsigned int period_size; + struct snd_pcm_runtime *runtime = substream->runtime; + + rec->fmt = 0; + rec->shift = 0; + if (snd_pcm_format_width(runtime->format) >= 16) { + rec->fmt |= 0x02; + if (snd_pcm_format_width(runtime->format) > 16) + rec->shift++; /* 24/32bit */ + } + if (runtime->channels > 1) + rec->fmt |= 0x01; + if (rec->is_dac && set_dac_channels(cm, rec, runtime->channels) < 0) { + dev_dbg(cm->card->dev, "cannot set dac channels\n"); + return -EINVAL; + } + + rec->offset = runtime->dma_addr; + /* buffer and period sizes in frame */ + rec->dma_size = runtime->buffer_size << rec->shift; + period_size = runtime->period_size << rec->shift; + if (runtime->channels > 2) { + /* multi-channels */ + rec->dma_size = (rec->dma_size * runtime->channels) / 2; + period_size = (period_size * runtime->channels) / 2; + } + + spin_lock_irq(&cm->reg_lock); + + /* set buffer address */ + reg = rec->ch ? CM_REG_CH1_FRAME1 : CM_REG_CH0_FRAME1; + snd_cmipci_write(cm, reg, rec->offset); + /* program sample counts */ + reg = rec->ch ? CM_REG_CH1_FRAME2 : CM_REG_CH0_FRAME2; + snd_cmipci_write_w(cm, reg, rec->dma_size - 1); + snd_cmipci_write_w(cm, reg + 2, period_size - 1); + + /* set adc/dac flag */ + val = rec->ch ? CM_CHADC1 : CM_CHADC0; + if (rec->is_dac) + cm->ctrl &= ~val; + else + cm->ctrl |= val; + snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl); + /* dev_dbg(cm->card->dev, "functrl0 = %08x\n", cm->ctrl); */ + + /* set sample rate */ + freq = 0; + freq_ext = 0; + if (runtime->rate > 48000) + switch (runtime->rate) { + case 88200: freq_ext = CM_CH0_SRATE_88K; break; + case 96000: freq_ext = CM_CH0_SRATE_96K; break; + case 128000: freq_ext = CM_CH0_SRATE_128K; break; + default: snd_BUG(); break; + } + else + freq = snd_cmipci_rate_freq(runtime->rate); + val = snd_cmipci_read(cm, CM_REG_FUNCTRL1); + if (rec->ch) { + val &= ~CM_DSFC_MASK; + val |= (freq << CM_DSFC_SHIFT) & CM_DSFC_MASK; + } else { + val &= ~CM_ASFC_MASK; + val |= (freq << CM_ASFC_SHIFT) & CM_ASFC_MASK; + } + snd_cmipci_write(cm, CM_REG_FUNCTRL1, val); + dev_dbg(cm->card->dev, "functrl1 = %08x\n", val); + + /* set format */ + val = snd_cmipci_read(cm, CM_REG_CHFORMAT); + if (rec->ch) { + val &= ~CM_CH1FMT_MASK; + val |= rec->fmt << CM_CH1FMT_SHIFT; + } else { + val &= ~CM_CH0FMT_MASK; + val |= rec->fmt << CM_CH0FMT_SHIFT; + } + if (cm->can_96k) { + val &= ~(CM_CH0_SRATE_MASK << (rec->ch * 2)); + val |= freq_ext << (rec->ch * 2); + } + snd_cmipci_write(cm, CM_REG_CHFORMAT, val); + dev_dbg(cm->card->dev, "chformat = %08x\n", val); + + if (!rec->is_dac && cm->chip_version) { + if (runtime->rate > 44100) + snd_cmipci_set_bit(cm, CM_REG_EXT_MISC, CM_ADC48K44K); + else + snd_cmipci_clear_bit(cm, CM_REG_EXT_MISC, CM_ADC48K44K); + } + + rec->running = 0; + spin_unlock_irq(&cm->reg_lock); + + return 0; +} + +/* + * PCM trigger/stop + */ +static int snd_cmipci_pcm_trigger(struct cmipci *cm, struct cmipci_pcm *rec, + int cmd) +{ + unsigned int inthld, chen, reset, pause; + int result = 0; + + inthld = CM_CH0_INT_EN << rec->ch; + chen = CM_CHEN0 << rec->ch; + reset = CM_RST_CH0 << rec->ch; + pause = CM_PAUSE0 << rec->ch; + + spin_lock(&cm->reg_lock); + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + rec->running = 1; + /* set interrupt */ + snd_cmipci_set_bit(cm, CM_REG_INT_HLDCLR, inthld); + cm->ctrl |= chen; + /* enable channel */ + snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl); + dev_dbg(cm->card->dev, "functrl0 = %08x\n", cm->ctrl); + break; + case SNDRV_PCM_TRIGGER_STOP: + rec->running = 0; + /* disable interrupt */ + snd_cmipci_clear_bit(cm, CM_REG_INT_HLDCLR, inthld); + /* reset */ + cm->ctrl &= ~chen; + snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl | reset); + snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl & ~reset); + rec->needs_silencing = rec->is_dac; + break; + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + case SNDRV_PCM_TRIGGER_SUSPEND: + cm->ctrl |= pause; + snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl); + break; + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + case SNDRV_PCM_TRIGGER_RESUME: + cm->ctrl &= ~pause; + snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl); + break; + default: + result = -EINVAL; + break; + } + spin_unlock(&cm->reg_lock); + return result; +} + +/* + * return the current pointer + */ +static snd_pcm_uframes_t snd_cmipci_pcm_pointer(struct cmipci *cm, struct cmipci_pcm *rec, + struct snd_pcm_substream *substream) +{ + size_t ptr; + unsigned int reg, rem, tries; + + if (!rec->running) + return 0; +#if 1 // this seems better.. + reg = rec->ch ? CM_REG_CH1_FRAME2 : CM_REG_CH0_FRAME2; + for (tries = 0; tries < 3; tries++) { + rem = snd_cmipci_read_w(cm, reg); + if (rem < rec->dma_size) + goto ok; + } + dev_err(cm->card->dev, "invalid PCM pointer: %#x\n", rem); + return SNDRV_PCM_POS_XRUN; +ok: + ptr = (rec->dma_size - (rem + 1)) >> rec->shift; +#else + reg = rec->ch ? CM_REG_CH1_FRAME1 : CM_REG_CH0_FRAME1; + ptr = snd_cmipci_read(cm, reg) - rec->offset; + ptr = bytes_to_frames(substream->runtime, ptr); +#endif + if (substream->runtime->channels > 2) + ptr = (ptr * 2) / substream->runtime->channels; + return ptr; +} + +/* + * playback + */ + +static int snd_cmipci_playback_trigger(struct snd_pcm_substream *substream, + int cmd) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + return snd_cmipci_pcm_trigger(cm, &cm->channel[CM_CH_PLAY], cmd); +} + +static snd_pcm_uframes_t snd_cmipci_playback_pointer(struct snd_pcm_substream *substream) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + return snd_cmipci_pcm_pointer(cm, &cm->channel[CM_CH_PLAY], substream); +} + + + +/* + * capture + */ + +static int snd_cmipci_capture_trigger(struct snd_pcm_substream *substream, + int cmd) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + return snd_cmipci_pcm_trigger(cm, &cm->channel[CM_CH_CAPT], cmd); +} + +static snd_pcm_uframes_t snd_cmipci_capture_pointer(struct snd_pcm_substream *substream) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + return snd_cmipci_pcm_pointer(cm, &cm->channel[CM_CH_CAPT], substream); +} + + +/* + * hw preparation for spdif + */ + +static int snd_cmipci_spdif_default_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; + uinfo->count = 1; + return 0; +} + +static int snd_cmipci_spdif_default_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct cmipci *chip = snd_kcontrol_chip(kcontrol); + int i; + + spin_lock_irq(&chip->reg_lock); + for (i = 0; i < 4; i++) + ucontrol->value.iec958.status[i] = (chip->dig_status >> (i * 8)) & 0xff; + spin_unlock_irq(&chip->reg_lock); + return 0; +} + +static int snd_cmipci_spdif_default_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct cmipci *chip = snd_kcontrol_chip(kcontrol); + int i, change; + unsigned int val; + + val = 0; + spin_lock_irq(&chip->reg_lock); + for (i = 0; i < 4; i++) + val |= (unsigned int)ucontrol->value.iec958.status[i] << (i * 8); + change = val != chip->dig_status; + chip->dig_status = val; + spin_unlock_irq(&chip->reg_lock); + return change; +} + +static const struct snd_kcontrol_new snd_cmipci_spdif_default = +{ + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), + .info = snd_cmipci_spdif_default_info, + .get = snd_cmipci_spdif_default_get, + .put = snd_cmipci_spdif_default_put +}; + +static int snd_cmipci_spdif_mask_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; + uinfo->count = 1; + return 0; +} + +static int snd_cmipci_spdif_mask_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.iec958.status[0] = 0xff; + ucontrol->value.iec958.status[1] = 0xff; + ucontrol->value.iec958.status[2] = 0xff; + ucontrol->value.iec958.status[3] = 0xff; + return 0; +} + +static const struct snd_kcontrol_new snd_cmipci_spdif_mask = +{ + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), + .info = snd_cmipci_spdif_mask_info, + .get = snd_cmipci_spdif_mask_get, +}; + +static int snd_cmipci_spdif_stream_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; + uinfo->count = 1; + return 0; +} + +static int snd_cmipci_spdif_stream_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct cmipci *chip = snd_kcontrol_chip(kcontrol); + int i; + + spin_lock_irq(&chip->reg_lock); + for (i = 0; i < 4; i++) + ucontrol->value.iec958.status[i] = (chip->dig_pcm_status >> (i * 8)) & 0xff; + spin_unlock_irq(&chip->reg_lock); + return 0; +} + +static int snd_cmipci_spdif_stream_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct cmipci *chip = snd_kcontrol_chip(kcontrol); + int i, change; + unsigned int val; + + val = 0; + spin_lock_irq(&chip->reg_lock); + for (i = 0; i < 4; i++) + val |= (unsigned int)ucontrol->value.iec958.status[i] << (i * 8); + change = val != chip->dig_pcm_status; + chip->dig_pcm_status = val; + spin_unlock_irq(&chip->reg_lock); + return change; +} + +static const struct snd_kcontrol_new snd_cmipci_spdif_stream = +{ + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE, + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM), + .info = snd_cmipci_spdif_stream_info, + .get = snd_cmipci_spdif_stream_get, + .put = snd_cmipci_spdif_stream_put +}; + +/* + */ + +/* save mixer setting and mute for AC3 playback */ +static int save_mixer_state(struct cmipci *cm) +{ + if (! cm->mixer_insensitive) { + struct snd_ctl_elem_value *val; + unsigned int i; + + val = kmalloc(sizeof(*val), GFP_KERNEL); + if (!val) + return -ENOMEM; + for (i = 0; i < CM_SAVED_MIXERS; i++) { + struct snd_kcontrol *ctl = cm->mixer_res_ctl[i]; + if (ctl) { + int event; + memset(val, 0, sizeof(*val)); + ctl->get(ctl, val); + cm->mixer_res_status[i] = val->value.integer.value[0]; + val->value.integer.value[0] = cm_saved_mixer[i].toggle_on; + event = SNDRV_CTL_EVENT_MASK_INFO; + if (cm->mixer_res_status[i] != val->value.integer.value[0]) { + ctl->put(ctl, val); /* toggle */ + event |= SNDRV_CTL_EVENT_MASK_VALUE; + } + ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; + snd_ctl_notify(cm->card, event, &ctl->id); + } + } + kfree(val); + cm->mixer_insensitive = 1; + } + return 0; +} + + +/* restore the previously saved mixer status */ +static void restore_mixer_state(struct cmipci *cm) +{ + if (cm->mixer_insensitive) { + struct snd_ctl_elem_value *val; + unsigned int i; + + val = kmalloc(sizeof(*val), GFP_KERNEL); + if (!val) + return; + cm->mixer_insensitive = 0; /* at first clear this; + otherwise the changes will be ignored */ + for (i = 0; i < CM_SAVED_MIXERS; i++) { + struct snd_kcontrol *ctl = cm->mixer_res_ctl[i]; + if (ctl) { + int event; + + memset(val, 0, sizeof(*val)); + ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; + ctl->get(ctl, val); + event = SNDRV_CTL_EVENT_MASK_INFO; + if (val->value.integer.value[0] != cm->mixer_res_status[i]) { + val->value.integer.value[0] = cm->mixer_res_status[i]; + ctl->put(ctl, val); + event |= SNDRV_CTL_EVENT_MASK_VALUE; + } + snd_ctl_notify(cm->card, event, &ctl->id); + } + } + kfree(val); + } +} + +/* spinlock held! */ +static void setup_ac3(struct cmipci *cm, struct snd_pcm_substream *subs, int do_ac3, int rate) +{ + if (do_ac3) { + /* AC3EN for 037 */ + snd_cmipci_set_bit(cm, CM_REG_CHFORMAT, CM_AC3EN1); + /* AC3EN for 039 */ + snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_AC3EN2); + + if (cm->can_ac3_hw) { + /* SPD24SEL for 037, 0x02 */ + /* SPD24SEL for 039, 0x20, but cannot be set */ + snd_cmipci_set_bit(cm, CM_REG_CHFORMAT, CM_SPD24SEL); + snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_SPD32SEL); + } else { /* can_ac3_sw */ + /* SPD32SEL for 037 & 039, 0x20 */ + snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_SPD32SEL); + /* set 176K sample rate to fix 033 HW bug */ + if (cm->chip_version == 33) { + if (rate >= 48000) { + snd_cmipci_set_bit(cm, CM_REG_CHFORMAT, CM_PLAYBACK_SRATE_176K); + } else { + snd_cmipci_clear_bit(cm, CM_REG_CHFORMAT, CM_PLAYBACK_SRATE_176K); + } + } + } + + } else { + snd_cmipci_clear_bit(cm, CM_REG_CHFORMAT, CM_AC3EN1); + snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_AC3EN2); + + if (cm->can_ac3_hw) { + /* chip model >= 37 */ + if (snd_pcm_format_width(subs->runtime->format) > 16) { + snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_SPD32SEL); + snd_cmipci_set_bit(cm, CM_REG_CHFORMAT, CM_SPD24SEL); + } else { + snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_SPD32SEL); + snd_cmipci_clear_bit(cm, CM_REG_CHFORMAT, CM_SPD24SEL); + } + } else { + snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_SPD32SEL); + snd_cmipci_clear_bit(cm, CM_REG_CHFORMAT, CM_SPD24SEL); + snd_cmipci_clear_bit(cm, CM_REG_CHFORMAT, CM_PLAYBACK_SRATE_176K); + } + } +} + +static int setup_spdif_playback(struct cmipci *cm, struct snd_pcm_substream *subs, int up, int do_ac3) +{ + int rate, err; + + rate = subs->runtime->rate; + + if (up && do_ac3) { + err = save_mixer_state(cm); + if (err < 0) + return err; + } + + spin_lock_irq(&cm->reg_lock); + cm->spdif_playback_avail = up; + if (up) { + /* they are controlled via "IEC958 Output Switch" */ + /* snd_cmipci_set_bit(cm, CM_REG_LEGACY_CTRL, CM_ENSPDOUT); */ + /* snd_cmipci_set_bit(cm, CM_REG_FUNCTRL1, CM_SPDO2DAC); */ + if (cm->spdif_playback_enabled) + snd_cmipci_set_bit(cm, CM_REG_FUNCTRL1, CM_PLAYBACK_SPDF); + setup_ac3(cm, subs, do_ac3, rate); + + if (rate == 48000 || rate == 96000) + snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_SPDIF48K | CM_SPDF_AC97); + else + snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_SPDIF48K | CM_SPDF_AC97); + if (rate > 48000) + snd_cmipci_set_bit(cm, CM_REG_CHFORMAT, CM_DBLSPDS); + else + snd_cmipci_clear_bit(cm, CM_REG_CHFORMAT, CM_DBLSPDS); + } else { + /* they are controlled via "IEC958 Output Switch" */ + /* snd_cmipci_clear_bit(cm, CM_REG_LEGACY_CTRL, CM_ENSPDOUT); */ + /* snd_cmipci_clear_bit(cm, CM_REG_FUNCTRL1, CM_SPDO2DAC); */ + snd_cmipci_clear_bit(cm, CM_REG_CHFORMAT, CM_DBLSPDS); + snd_cmipci_clear_bit(cm, CM_REG_FUNCTRL1, CM_PLAYBACK_SPDF); + setup_ac3(cm, subs, 0, 0); + } + spin_unlock_irq(&cm->reg_lock); + return 0; +} + + +/* + * preparation + */ + +/* playback - enable spdif only on the certain condition */ +static int snd_cmipci_playback_prepare(struct snd_pcm_substream *substream) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + int rate = substream->runtime->rate; + int err, do_spdif, do_ac3 = 0; + + do_spdif = (rate >= 44100 && rate <= 96000 && + substream->runtime->format == SNDRV_PCM_FORMAT_S16_LE && + substream->runtime->channels == 2); + if (do_spdif && cm->can_ac3_hw) + do_ac3 = cm->dig_pcm_status & IEC958_AES0_NONAUDIO; + err = setup_spdif_playback(cm, substream, do_spdif, do_ac3); + if (err < 0) + return err; + return snd_cmipci_pcm_prepare(cm, &cm->channel[CM_CH_PLAY], substream); +} + +/* playback (via device #2) - enable spdif always */ +static int snd_cmipci_playback_spdif_prepare(struct snd_pcm_substream *substream) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + int err, do_ac3; + + if (cm->can_ac3_hw) + do_ac3 = cm->dig_pcm_status & IEC958_AES0_NONAUDIO; + else + do_ac3 = 1; /* doesn't matter */ + err = setup_spdif_playback(cm, substream, 1, do_ac3); + if (err < 0) + return err; + return snd_cmipci_pcm_prepare(cm, &cm->channel[CM_CH_PLAY], substream); +} + +/* + * Apparently, the samples last played on channel A stay in some buffer, even + * after the channel is reset, and get added to the data for the rear DACs when + * playing a multichannel stream on channel B. This is likely to generate + * wraparounds and thus distortions. + * To avoid this, we play at least one zero sample after the actual stream has + * stopped. + */ +static void snd_cmipci_silence_hack(struct cmipci *cm, struct cmipci_pcm *rec) +{ + struct snd_pcm_runtime *runtime = rec->substream->runtime; + unsigned int reg, val; + + if (rec->needs_silencing && runtime && runtime->dma_area) { + /* set up a small silence buffer */ + memset(runtime->dma_area, 0, PAGE_SIZE); + reg = rec->ch ? CM_REG_CH1_FRAME2 : CM_REG_CH0_FRAME2; + val = ((PAGE_SIZE / 4) - 1) | (((PAGE_SIZE / 4) / 2 - 1) << 16); + snd_cmipci_write(cm, reg, val); + + /* configure for 16 bits, 2 channels, 8 kHz */ + if (runtime->channels > 2) + set_dac_channels(cm, rec, 2); + spin_lock_irq(&cm->reg_lock); + val = snd_cmipci_read(cm, CM_REG_FUNCTRL1); + val &= ~(CM_ASFC_MASK << (rec->ch * 3)); + val |= (4 << CM_ASFC_SHIFT) << (rec->ch * 3); + snd_cmipci_write(cm, CM_REG_FUNCTRL1, val); + val = snd_cmipci_read(cm, CM_REG_CHFORMAT); + val &= ~(CM_CH0FMT_MASK << (rec->ch * 2)); + val |= (3 << CM_CH0FMT_SHIFT) << (rec->ch * 2); + if (cm->can_96k) + val &= ~(CM_CH0_SRATE_MASK << (rec->ch * 2)); + snd_cmipci_write(cm, CM_REG_CHFORMAT, val); + + /* start stream (we don't need interrupts) */ + cm->ctrl |= CM_CHEN0 << rec->ch; + snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl); + spin_unlock_irq(&cm->reg_lock); + + msleep(1); + + /* stop and reset stream */ + spin_lock_irq(&cm->reg_lock); + cm->ctrl &= ~(CM_CHEN0 << rec->ch); + val = CM_RST_CH0 << rec->ch; + snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl | val); + snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl & ~val); + spin_unlock_irq(&cm->reg_lock); + + rec->needs_silencing = 0; + } +} + +static int snd_cmipci_playback_hw_free(struct snd_pcm_substream *substream) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + setup_spdif_playback(cm, substream, 0, 0); + restore_mixer_state(cm); + snd_cmipci_silence_hack(cm, &cm->channel[0]); + return 0; +} + +static int snd_cmipci_playback2_hw_free(struct snd_pcm_substream *substream) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + snd_cmipci_silence_hack(cm, &cm->channel[1]); + return 0; +} + +/* capture */ +static int snd_cmipci_capture_prepare(struct snd_pcm_substream *substream) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + return snd_cmipci_pcm_prepare(cm, &cm->channel[CM_CH_CAPT], substream); +} + +/* capture with spdif (via device #2) */ +static int snd_cmipci_capture_spdif_prepare(struct snd_pcm_substream *substream) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + + spin_lock_irq(&cm->reg_lock); + snd_cmipci_set_bit(cm, CM_REG_FUNCTRL1, CM_CAPTURE_SPDF); + if (cm->can_96k) { + if (substream->runtime->rate > 48000) + snd_cmipci_set_bit(cm, CM_REG_CHFORMAT, CM_DBLSPDS); + else + snd_cmipci_clear_bit(cm, CM_REG_CHFORMAT, CM_DBLSPDS); + } + if (snd_pcm_format_width(substream->runtime->format) > 16) + snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_SPD32SEL); + else + snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_SPD32SEL); + + spin_unlock_irq(&cm->reg_lock); + + return snd_cmipci_pcm_prepare(cm, &cm->channel[CM_CH_CAPT], substream); +} + +static int snd_cmipci_capture_spdif_hw_free(struct snd_pcm_substream *subs) +{ + struct cmipci *cm = snd_pcm_substream_chip(subs); + + spin_lock_irq(&cm->reg_lock); + snd_cmipci_clear_bit(cm, CM_REG_FUNCTRL1, CM_CAPTURE_SPDF); + snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_SPD32SEL); + spin_unlock_irq(&cm->reg_lock); + + return 0; +} + + +/* + * interrupt handler + */ +static irqreturn_t snd_cmipci_interrupt(int irq, void *dev_id) +{ + struct cmipci *cm = dev_id; + unsigned int status, mask = 0; + + /* fastpath out, to ease interrupt sharing */ + status = snd_cmipci_read(cm, CM_REG_INT_STATUS); + if (!(status & CM_INTR)) + return IRQ_NONE; + + /* acknowledge interrupt */ + spin_lock(&cm->reg_lock); + if (status & CM_CHINT0) + mask |= CM_CH0_INT_EN; + if (status & CM_CHINT1) + mask |= CM_CH1_INT_EN; + snd_cmipci_clear_bit(cm, CM_REG_INT_HLDCLR, mask); + snd_cmipci_set_bit(cm, CM_REG_INT_HLDCLR, mask); + spin_unlock(&cm->reg_lock); + + if (cm->rmidi && (status & CM_UARTINT)) + snd_mpu401_uart_interrupt(irq, cm->rmidi->private_data); + + if (cm->pcm) { + if ((status & CM_CHINT0) && cm->channel[0].running) + snd_pcm_period_elapsed(cm->channel[0].substream); + if ((status & CM_CHINT1) && cm->channel[1].running) + snd_pcm_period_elapsed(cm->channel[1].substream); + } + return IRQ_HANDLED; +} + +/* + * h/w infos + */ + +/* playback on channel A */ +static const struct snd_pcm_hardware snd_cmipci_playback = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID), + .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, + .rates = SNDRV_PCM_RATE_5512 | SNDRV_PCM_RATE_8000_48000, + .rate_min = 5512, + .rate_max = 48000, + .channels_min = 1, + .channels_max = 2, + .buffer_bytes_max = (128*1024), + .period_bytes_min = 64, + .period_bytes_max = (128*1024), + .periods_min = 2, + .periods_max = 1024, + .fifo_size = 0, +}; + +/* capture on channel B */ +static const struct snd_pcm_hardware snd_cmipci_capture = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID), + .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, + .rates = SNDRV_PCM_RATE_5512 | SNDRV_PCM_RATE_8000_48000, + .rate_min = 5512, + .rate_max = 48000, + .channels_min = 1, + .channels_max = 2, + .buffer_bytes_max = (128*1024), + .period_bytes_min = 64, + .period_bytes_max = (128*1024), + .periods_min = 2, + .periods_max = 1024, + .fifo_size = 0, +}; + +/* playback on channel B - stereo 16bit only? */ +static const struct snd_pcm_hardware snd_cmipci_playback2 = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID), + .formats = SNDRV_PCM_FMTBIT_S16_LE, + .rates = SNDRV_PCM_RATE_5512 | SNDRV_PCM_RATE_8000_48000, + .rate_min = 5512, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + .buffer_bytes_max = (128*1024), + .period_bytes_min = 64, + .period_bytes_max = (128*1024), + .periods_min = 2, + .periods_max = 1024, + .fifo_size = 0, +}; + +/* spdif playback on channel A */ +static const struct snd_pcm_hardware snd_cmipci_playback_spdif = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID), + .formats = SNDRV_PCM_FMTBIT_S16_LE, + .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, + .rate_min = 44100, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + .buffer_bytes_max = (128*1024), + .period_bytes_min = 64, + .period_bytes_max = (128*1024), + .periods_min = 2, + .periods_max = 1024, + .fifo_size = 0, +}; + +/* spdif playback on channel A (32bit, IEC958 subframes) */ +static const struct snd_pcm_hardware snd_cmipci_playback_iec958_subframe = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID), + .formats = SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE, + .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, + .rate_min = 44100, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + .buffer_bytes_max = (128*1024), + .period_bytes_min = 64, + .period_bytes_max = (128*1024), + .periods_min = 2, + .periods_max = 1024, + .fifo_size = 0, +}; + +/* spdif capture on channel B */ +static const struct snd_pcm_hardware snd_cmipci_capture_spdif = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID), + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE, + .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, + .rate_min = 44100, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + .buffer_bytes_max = (128*1024), + .period_bytes_min = 64, + .period_bytes_max = (128*1024), + .periods_min = 2, + .periods_max = 1024, + .fifo_size = 0, +}; + +static const unsigned int rate_constraints[] = { 5512, 8000, 11025, 16000, 22050, + 32000, 44100, 48000, 88200, 96000, 128000 }; +static const struct snd_pcm_hw_constraint_list hw_constraints_rates = { + .count = ARRAY_SIZE(rate_constraints), + .list = rate_constraints, + .mask = 0, +}; + +/* + * check device open/close + */ +static int open_device_check(struct cmipci *cm, int mode, struct snd_pcm_substream *subs) +{ + int ch = mode & CM_OPEN_CH_MASK; + + /* FIXME: a file should wait until the device becomes free + * when it's opened on blocking mode. however, since the current + * pcm framework doesn't pass file pointer before actually opened, + * we can't know whether blocking mode or not in open callback.. + */ + mutex_lock(&cm->open_mutex); + if (cm->opened[ch]) { + mutex_unlock(&cm->open_mutex); + return -EBUSY; + } + cm->opened[ch] = mode; + cm->channel[ch].substream = subs; + if (! (mode & CM_OPEN_DAC)) { + /* disable dual DAC mode */ + cm->channel[ch].is_dac = 0; + spin_lock_irq(&cm->reg_lock); + snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_ENDBDAC); + spin_unlock_irq(&cm->reg_lock); + } + mutex_unlock(&cm->open_mutex); + return 0; +} + +static void close_device_check(struct cmipci *cm, int mode) +{ + int ch = mode & CM_OPEN_CH_MASK; + + mutex_lock(&cm->open_mutex); + if (cm->opened[ch] == mode) { + if (cm->channel[ch].substream) { + snd_cmipci_ch_reset(cm, ch); + cm->channel[ch].running = 0; + cm->channel[ch].substream = NULL; + } + cm->opened[ch] = 0; + if (! cm->channel[ch].is_dac) { + /* enable dual DAC mode again */ + cm->channel[ch].is_dac = 1; + spin_lock_irq(&cm->reg_lock); + snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_ENDBDAC); + spin_unlock_irq(&cm->reg_lock); + } + } + mutex_unlock(&cm->open_mutex); +} + +/* + */ + +static int snd_cmipci_playback_open(struct snd_pcm_substream *substream) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + int err; + + err = open_device_check(cm, CM_OPEN_PLAYBACK, substream); + if (err < 0) + return err; + runtime->hw = snd_cmipci_playback; + if (cm->chip_version == 68) { + runtime->hw.rates |= SNDRV_PCM_RATE_88200 | + SNDRV_PCM_RATE_96000; + runtime->hw.rate_max = 96000; + } else if (cm->chip_version == 55) { + err = snd_pcm_hw_constraint_list(runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates); + if (err < 0) + return err; + runtime->hw.rates |= SNDRV_PCM_RATE_KNOT; + runtime->hw.rate_max = 128000; + } + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 0x10000); + cm->dig_pcm_status = cm->dig_status; + return 0; +} + +static int snd_cmipci_capture_open(struct snd_pcm_substream *substream) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + int err; + + err = open_device_check(cm, CM_OPEN_CAPTURE, substream); + if (err < 0) + return err; + runtime->hw = snd_cmipci_capture; + if (cm->chip_version == 68) { // 8768 only supports 44k/48k recording + runtime->hw.rate_min = 41000; + runtime->hw.rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000; + } else if (cm->chip_version == 55) { + err = snd_pcm_hw_constraint_list(runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates); + if (err < 0) + return err; + runtime->hw.rates |= SNDRV_PCM_RATE_KNOT; + runtime->hw.rate_max = 128000; + } + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 0x10000); + return 0; +} + +static int snd_cmipci_playback2_open(struct snd_pcm_substream *substream) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + int err; + + /* use channel B */ + err = open_device_check(cm, CM_OPEN_PLAYBACK2, substream); + if (err < 0) + return err; + runtime->hw = snd_cmipci_playback2; + mutex_lock(&cm->open_mutex); + if (! cm->opened[CM_CH_PLAY]) { + if (cm->can_multi_ch) { + runtime->hw.channels_max = cm->max_channels; + if (cm->max_channels == 4) + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, &hw_constraints_channels_4); + else if (cm->max_channels == 6) + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, &hw_constraints_channels_6); + else if (cm->max_channels == 8) + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, &hw_constraints_channels_8); + } + } + mutex_unlock(&cm->open_mutex); + if (cm->chip_version == 68) { + runtime->hw.rates |= SNDRV_PCM_RATE_88200 | + SNDRV_PCM_RATE_96000; + runtime->hw.rate_max = 96000; + } else if (cm->chip_version == 55) { + err = snd_pcm_hw_constraint_list(runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates); + if (err < 0) + return err; + runtime->hw.rates |= SNDRV_PCM_RATE_KNOT; + runtime->hw.rate_max = 128000; + } + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 0x10000); + return 0; +} + +static int snd_cmipci_playback_spdif_open(struct snd_pcm_substream *substream) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + int err; + + /* use channel A */ + err = open_device_check(cm, CM_OPEN_SPDIF_PLAYBACK, substream); + if (err < 0) + return err; + if (cm->can_ac3_hw) { + runtime->hw = snd_cmipci_playback_spdif; + if (cm->chip_version >= 37) { + runtime->hw.formats |= SNDRV_PCM_FMTBIT_S32_LE; + snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24); + } + if (cm->can_96k) { + runtime->hw.rates |= SNDRV_PCM_RATE_88200 | + SNDRV_PCM_RATE_96000; + runtime->hw.rate_max = 96000; + } + } else { + runtime->hw = snd_cmipci_playback_iec958_subframe; + } + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 0x40000); + cm->dig_pcm_status = cm->dig_status; + return 0; +} + +static int snd_cmipci_capture_spdif_open(struct snd_pcm_substream *substream) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + int err; + + /* use channel B */ + err = open_device_check(cm, CM_OPEN_SPDIF_CAPTURE, substream); + if (err < 0) + return err; + runtime->hw = snd_cmipci_capture_spdif; + if (cm->can_96k && !(cm->chip_version == 68)) { + runtime->hw.rates |= SNDRV_PCM_RATE_88200 | + SNDRV_PCM_RATE_96000; + runtime->hw.rate_max = 96000; + } + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 0x40000); + return 0; +} + + +/* + */ + +static int snd_cmipci_playback_close(struct snd_pcm_substream *substream) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + close_device_check(cm, CM_OPEN_PLAYBACK); + return 0; +} + +static int snd_cmipci_capture_close(struct snd_pcm_substream *substream) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + close_device_check(cm, CM_OPEN_CAPTURE); + return 0; +} + +static int snd_cmipci_playback2_close(struct snd_pcm_substream *substream) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + close_device_check(cm, CM_OPEN_PLAYBACK2); + close_device_check(cm, CM_OPEN_PLAYBACK_MULTI); + return 0; +} + +static int snd_cmipci_playback_spdif_close(struct snd_pcm_substream *substream) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + close_device_check(cm, CM_OPEN_SPDIF_PLAYBACK); + return 0; +} + +static int snd_cmipci_capture_spdif_close(struct snd_pcm_substream *substream) +{ + struct cmipci *cm = snd_pcm_substream_chip(substream); + close_device_check(cm, CM_OPEN_SPDIF_CAPTURE); + return 0; +} + + +/* + */ + +static const struct snd_pcm_ops snd_cmipci_playback_ops = { + .open = snd_cmipci_playback_open, + .close = snd_cmipci_playback_close, + .hw_free = snd_cmipci_playback_hw_free, + .prepare = snd_cmipci_playback_prepare, + .trigger = snd_cmipci_playback_trigger, + .pointer = snd_cmipci_playback_pointer, +}; + +static const struct snd_pcm_ops snd_cmipci_capture_ops = { + .open = snd_cmipci_capture_open, + .close = snd_cmipci_capture_close, + .prepare = snd_cmipci_capture_prepare, + .trigger = snd_cmipci_capture_trigger, + .pointer = snd_cmipci_capture_pointer, +}; + +static const struct snd_pcm_ops snd_cmipci_playback2_ops = { + .open = snd_cmipci_playback2_open, + .close = snd_cmipci_playback2_close, + .hw_params = snd_cmipci_playback2_hw_params, + .hw_free = snd_cmipci_playback2_hw_free, + .prepare = snd_cmipci_capture_prepare, /* channel B */ + .trigger = snd_cmipci_capture_trigger, /* channel B */ + .pointer = snd_cmipci_capture_pointer, /* channel B */ +}; + +static const struct snd_pcm_ops snd_cmipci_playback_spdif_ops = { + .open = snd_cmipci_playback_spdif_open, + .close = snd_cmipci_playback_spdif_close, + .hw_free = snd_cmipci_playback_hw_free, + .prepare = snd_cmipci_playback_spdif_prepare, /* set up rate */ + .trigger = snd_cmipci_playback_trigger, + .pointer = snd_cmipci_playback_pointer, +}; + +static const struct snd_pcm_ops snd_cmipci_capture_spdif_ops = { + .open = snd_cmipci_capture_spdif_open, + .close = snd_cmipci_capture_spdif_close, + .hw_free = snd_cmipci_capture_spdif_hw_free, + .prepare = snd_cmipci_capture_spdif_prepare, + .trigger = snd_cmipci_capture_trigger, + .pointer = snd_cmipci_capture_pointer, +}; + + +/* + */ + +static int snd_cmipci_pcm_new(struct cmipci *cm, int device) +{ + struct snd_pcm *pcm; + int err; + + err = snd_pcm_new(cm->card, cm->card->driver, device, 1, 1, &pcm); + if (err < 0) + return err; + + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cmipci_playback_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cmipci_capture_ops); + + pcm->private_data = cm; + pcm->info_flags = 0; + strcpy(pcm->name, "C-Media PCI DAC/ADC"); + cm->pcm = pcm; + + snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, + &cm->pci->dev, 64*1024, 128*1024); + + return 0; +} + +static int snd_cmipci_pcm2_new(struct cmipci *cm, int device) +{ + struct snd_pcm *pcm; + int err; + + err = snd_pcm_new(cm->card, cm->card->driver, device, 1, 0, &pcm); + if (err < 0) + return err; + + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cmipci_playback2_ops); + + pcm->private_data = cm; + pcm->info_flags = 0; + strcpy(pcm->name, "C-Media PCI 2nd DAC"); + cm->pcm2 = pcm; + + snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, + &cm->pci->dev, 64*1024, 128*1024); + + return 0; +} + +static int snd_cmipci_pcm_spdif_new(struct cmipci *cm, int device) +{ + struct snd_pcm *pcm; + int err; + + err = snd_pcm_new(cm->card, cm->card->driver, device, 1, 1, &pcm); + if (err < 0) + return err; + + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cmipci_playback_spdif_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cmipci_capture_spdif_ops); + + pcm->private_data = cm; + pcm->info_flags = 0; + strcpy(pcm->name, "C-Media PCI IEC958"); + cm->pcm_spdif = pcm; + + snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, + &cm->pci->dev, 64*1024, 128*1024); + + err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, + snd_pcm_alt_chmaps, cm->max_channels, 0, + NULL); + if (err < 0) + return err; + + return 0; +} + +/* + * mixer interface: + * - CM8338/8738 has a compatible mixer interface with SB16, but + * lack of some elements like tone control, i/o gain and AGC. + * - Access to native registers: + * - A 3D switch + * - Output mute switches + */ + +static void snd_cmipci_mixer_write(struct cmipci *s, unsigned char idx, unsigned char data) +{ + outb(idx, s->iobase + CM_REG_SB16_ADDR); + outb(data, s->iobase + CM_REG_SB16_DATA); +} + +static unsigned char snd_cmipci_mixer_read(struct cmipci *s, unsigned char idx) +{ + unsigned char v; + + outb(idx, s->iobase + CM_REG_SB16_ADDR); + v = inb(s->iobase + CM_REG_SB16_DATA); + return v; +} + +/* + * general mixer element + */ +struct cmipci_sb_reg { + unsigned int left_reg, right_reg; + unsigned int left_shift, right_shift; + unsigned int mask; + unsigned int invert: 1; + unsigned int stereo: 1; +}; + +#define COMPOSE_SB_REG(lreg,rreg,lshift,rshift,mask,invert,stereo) \ + ((lreg) | ((rreg) << 8) | (lshift << 16) | (rshift << 19) | (mask << 24) | (invert << 22) | (stereo << 23)) + +#define CMIPCI_DOUBLE(xname, left_reg, right_reg, left_shift, right_shift, mask, invert, stereo) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_cmipci_info_volume, \ + .get = snd_cmipci_get_volume, .put = snd_cmipci_put_volume, \ + .private_value = COMPOSE_SB_REG(left_reg, right_reg, left_shift, right_shift, mask, invert, stereo), \ +} + +#define CMIPCI_SB_VOL_STEREO(xname,reg,shift,mask) CMIPCI_DOUBLE(xname, reg, reg+1, shift, shift, mask, 0, 1) +#define CMIPCI_SB_VOL_MONO(xname,reg,shift,mask) CMIPCI_DOUBLE(xname, reg, reg, shift, shift, mask, 0, 0) +#define CMIPCI_SB_SW_STEREO(xname,lshift,rshift) CMIPCI_DOUBLE(xname, SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, lshift, rshift, 1, 0, 1) +#define CMIPCI_SB_SW_MONO(xname,shift) CMIPCI_DOUBLE(xname, SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, shift, shift, 1, 0, 0) + +static void cmipci_sb_reg_decode(struct cmipci_sb_reg *r, unsigned long val) +{ + r->left_reg = val & 0xff; + r->right_reg = (val >> 8) & 0xff; + r->left_shift = (val >> 16) & 0x07; + r->right_shift = (val >> 19) & 0x07; + r->invert = (val >> 22) & 1; + r->stereo = (val >> 23) & 1; + r->mask = (val >> 24) & 0xff; +} + +static int snd_cmipci_info_volume(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct cmipci_sb_reg reg; + + cmipci_sb_reg_decode(®, kcontrol->private_value); + uinfo->type = reg.mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = reg.stereo + 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = reg.mask; + return 0; +} + +static int snd_cmipci_get_volume(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct cmipci *cm = snd_kcontrol_chip(kcontrol); + struct cmipci_sb_reg reg; + int val; + + cmipci_sb_reg_decode(®, kcontrol->private_value); + spin_lock_irq(&cm->reg_lock); + val = (snd_cmipci_mixer_read(cm, reg.left_reg) >> reg.left_shift) & reg.mask; + if (reg.invert) + val = reg.mask - val; + ucontrol->value.integer.value[0] = val; + if (reg.stereo) { + val = (snd_cmipci_mixer_read(cm, reg.right_reg) >> reg.right_shift) & reg.mask; + if (reg.invert) + val = reg.mask - val; + ucontrol->value.integer.value[1] = val; + } + spin_unlock_irq(&cm->reg_lock); + return 0; +} + +static int snd_cmipci_put_volume(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct cmipci *cm = snd_kcontrol_chip(kcontrol); + struct cmipci_sb_reg reg; + int change; + int left, right, oleft, oright; + + cmipci_sb_reg_decode(®, kcontrol->private_value); + left = ucontrol->value.integer.value[0] & reg.mask; + if (reg.invert) + left = reg.mask - left; + left <<= reg.left_shift; + if (reg.stereo) { + right = ucontrol->value.integer.value[1] & reg.mask; + if (reg.invert) + right = reg.mask - right; + right <<= reg.right_shift; + } else + right = 0; + spin_lock_irq(&cm->reg_lock); + oleft = snd_cmipci_mixer_read(cm, reg.left_reg); + left |= oleft & ~(reg.mask << reg.left_shift); + change = left != oleft; + if (reg.stereo) { + if (reg.left_reg != reg.right_reg) { + snd_cmipci_mixer_write(cm, reg.left_reg, left); + oright = snd_cmipci_mixer_read(cm, reg.right_reg); + } else + oright = left; + right |= oright & ~(reg.mask << reg.right_shift); + change |= right != oright; + snd_cmipci_mixer_write(cm, reg.right_reg, right); + } else + snd_cmipci_mixer_write(cm, reg.left_reg, left); + spin_unlock_irq(&cm->reg_lock); + return change; +} + +/* + * input route (left,right) -> (left,right) + */ +#define CMIPCI_SB_INPUT_SW(xname, left_shift, right_shift) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_cmipci_info_input_sw, \ + .get = snd_cmipci_get_input_sw, .put = snd_cmipci_put_input_sw, \ + .private_value = COMPOSE_SB_REG(SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, left_shift, right_shift, 1, 0, 1), \ +} + +static int snd_cmipci_info_input_sw(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; + uinfo->count = 4; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 1; + return 0; +} + +static int snd_cmipci_get_input_sw(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct cmipci *cm = snd_kcontrol_chip(kcontrol); + struct cmipci_sb_reg reg; + int val1, val2; + + cmipci_sb_reg_decode(®, kcontrol->private_value); + spin_lock_irq(&cm->reg_lock); + val1 = snd_cmipci_mixer_read(cm, reg.left_reg); + val2 = snd_cmipci_mixer_read(cm, reg.right_reg); + spin_unlock_irq(&cm->reg_lock); + ucontrol->value.integer.value[0] = (val1 >> reg.left_shift) & 1; + ucontrol->value.integer.value[1] = (val2 >> reg.left_shift) & 1; + ucontrol->value.integer.value[2] = (val1 >> reg.right_shift) & 1; + ucontrol->value.integer.value[3] = (val2 >> reg.right_shift) & 1; + return 0; +} + +static int snd_cmipci_put_input_sw(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct cmipci *cm = snd_kcontrol_chip(kcontrol); + struct cmipci_sb_reg reg; + int change; + int val1, val2, oval1, oval2; + + cmipci_sb_reg_decode(®, kcontrol->private_value); + spin_lock_irq(&cm->reg_lock); + oval1 = snd_cmipci_mixer_read(cm, reg.left_reg); + oval2 = snd_cmipci_mixer_read(cm, reg.right_reg); + val1 = oval1 & ~((1 << reg.left_shift) | (1 << reg.right_shift)); + val2 = oval2 & ~((1 << reg.left_shift) | (1 << reg.right_shift)); + val1 |= (ucontrol->value.integer.value[0] & 1) << reg.left_shift; + val2 |= (ucontrol->value.integer.value[1] & 1) << reg.left_shift; + val1 |= (ucontrol->value.integer.value[2] & 1) << reg.right_shift; + val2 |= (ucontrol->value.integer.value[3] & 1) << reg.right_shift; + change = val1 != oval1 || val2 != oval2; + snd_cmipci_mixer_write(cm, reg.left_reg, val1); + snd_cmipci_mixer_write(cm, reg.right_reg, val2); + spin_unlock_irq(&cm->reg_lock); + return change; +} + +/* + * native mixer switches/volumes + */ + +#define CMIPCI_MIXER_SW_STEREO(xname, reg, lshift, rshift, invert) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_cmipci_info_native_mixer, \ + .get = snd_cmipci_get_native_mixer, .put = snd_cmipci_put_native_mixer, \ + .private_value = COMPOSE_SB_REG(reg, reg, lshift, rshift, 1, invert, 1), \ +} + +#define CMIPCI_MIXER_SW_MONO(xname, reg, shift, invert) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_cmipci_info_native_mixer, \ + .get = snd_cmipci_get_native_mixer, .put = snd_cmipci_put_native_mixer, \ + .private_value = COMPOSE_SB_REG(reg, reg, shift, shift, 1, invert, 0), \ +} + +#define CMIPCI_MIXER_VOL_STEREO(xname, reg, lshift, rshift, mask) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_cmipci_info_native_mixer, \ + .get = snd_cmipci_get_native_mixer, .put = snd_cmipci_put_native_mixer, \ + .private_value = COMPOSE_SB_REG(reg, reg, lshift, rshift, mask, 0, 1), \ +} + +#define CMIPCI_MIXER_VOL_MONO(xname, reg, shift, mask) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_cmipci_info_native_mixer, \ + .get = snd_cmipci_get_native_mixer, .put = snd_cmipci_put_native_mixer, \ + .private_value = COMPOSE_SB_REG(reg, reg, shift, shift, mask, 0, 0), \ +} + +static int snd_cmipci_info_native_mixer(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct cmipci_sb_reg reg; + + cmipci_sb_reg_decode(®, kcontrol->private_value); + uinfo->type = reg.mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = reg.stereo + 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = reg.mask; + return 0; + +} + +static int snd_cmipci_get_native_mixer(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct cmipci *cm = snd_kcontrol_chip(kcontrol); + struct cmipci_sb_reg reg; + unsigned char oreg, val; + + cmipci_sb_reg_decode(®, kcontrol->private_value); + spin_lock_irq(&cm->reg_lock); + oreg = inb(cm->iobase + reg.left_reg); + val = (oreg >> reg.left_shift) & reg.mask; + if (reg.invert) + val = reg.mask - val; + ucontrol->value.integer.value[0] = val; + if (reg.stereo) { + val = (oreg >> reg.right_shift) & reg.mask; + if (reg.invert) + val = reg.mask - val; + ucontrol->value.integer.value[1] = val; + } + spin_unlock_irq(&cm->reg_lock); + return 0; +} + +static int snd_cmipci_put_native_mixer(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct cmipci *cm = snd_kcontrol_chip(kcontrol); + struct cmipci_sb_reg reg; + unsigned char oreg, nreg, val; + + cmipci_sb_reg_decode(®, kcontrol->private_value); + spin_lock_irq(&cm->reg_lock); + oreg = inb(cm->iobase + reg.left_reg); + val = ucontrol->value.integer.value[0] & reg.mask; + if (reg.invert) + val = reg.mask - val; + nreg = oreg & ~(reg.mask << reg.left_shift); + nreg |= (val << reg.left_shift); + if (reg.stereo) { + val = ucontrol->value.integer.value[1] & reg.mask; + if (reg.invert) + val = reg.mask - val; + nreg &= ~(reg.mask << reg.right_shift); + nreg |= (val << reg.right_shift); + } + outb(nreg, cm->iobase + reg.left_reg); + spin_unlock_irq(&cm->reg_lock); + return (nreg != oreg); +} + +/* + * special case - check mixer sensitivity + */ +static int snd_cmipci_get_native_mixer_sensitive(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + //struct cmipci *cm = snd_kcontrol_chip(kcontrol); + return snd_cmipci_get_native_mixer(kcontrol, ucontrol); +} + +static int snd_cmipci_put_native_mixer_sensitive(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct cmipci *cm = snd_kcontrol_chip(kcontrol); + if (cm->mixer_insensitive) { + /* ignored */ + return 0; + } + return snd_cmipci_put_native_mixer(kcontrol, ucontrol); +} + + +static const struct snd_kcontrol_new snd_cmipci_mixers[] = { + CMIPCI_SB_VOL_STEREO("Master Playback Volume", SB_DSP4_MASTER_DEV, 3, 31), + CMIPCI_MIXER_SW_MONO("3D Control - Switch", CM_REG_MIXER1, CM_X3DEN_SHIFT, 0), + CMIPCI_SB_VOL_STEREO("PCM Playback Volume", SB_DSP4_PCM_DEV, 3, 31), + //CMIPCI_MIXER_SW_MONO("PCM Playback Switch", CM_REG_MIXER1, CM_WSMUTE_SHIFT, 1), + { /* switch with sensitivity */ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "PCM Playback Switch", + .info = snd_cmipci_info_native_mixer, + .get = snd_cmipci_get_native_mixer_sensitive, + .put = snd_cmipci_put_native_mixer_sensitive, + .private_value = COMPOSE_SB_REG(CM_REG_MIXER1, CM_REG_MIXER1, CM_WSMUTE_SHIFT, CM_WSMUTE_SHIFT, 1, 1, 0), + }, + CMIPCI_MIXER_SW_STEREO("PCM Capture Switch", CM_REG_MIXER1, CM_WAVEINL_SHIFT, CM_WAVEINR_SHIFT, 0), + CMIPCI_SB_VOL_STEREO("Synth Playback Volume", SB_DSP4_SYNTH_DEV, 3, 31), + CMIPCI_MIXER_SW_MONO("Synth Playback Switch", CM_REG_MIXER1, CM_FMMUTE_SHIFT, 1), + CMIPCI_SB_INPUT_SW("Synth Capture Route", 6, 5), + CMIPCI_SB_VOL_STEREO("CD Playback Volume", SB_DSP4_CD_DEV, 3, 31), + CMIPCI_SB_SW_STEREO("CD Playback Switch", 2, 1), + CMIPCI_SB_INPUT_SW("CD Capture Route", 2, 1), + CMIPCI_SB_VOL_STEREO("Line Playback Volume", SB_DSP4_LINE_DEV, 3, 31), + CMIPCI_SB_SW_STEREO("Line Playback Switch", 4, 3), + CMIPCI_SB_INPUT_SW("Line Capture Route", 4, 3), + CMIPCI_SB_VOL_MONO("Mic Playback Volume", SB_DSP4_MIC_DEV, 3, 31), + CMIPCI_SB_SW_MONO("Mic Playback Switch", 0), + CMIPCI_DOUBLE("Mic Capture Switch", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 0, 0, 1, 0, 0), + CMIPCI_SB_VOL_MONO("Beep Playback Volume", SB_DSP4_SPEAKER_DEV, 6, 3), + CMIPCI_MIXER_VOL_STEREO("Aux Playback Volume", CM_REG_AUX_VOL, 4, 0, 15), + CMIPCI_MIXER_SW_STEREO("Aux Playback Switch", CM_REG_MIXER2, CM_VAUXLM_SHIFT, CM_VAUXRM_SHIFT, 0), + CMIPCI_MIXER_SW_STEREO("Aux Capture Switch", CM_REG_MIXER2, CM_RAUXLEN_SHIFT, CM_RAUXREN_SHIFT, 0), + CMIPCI_MIXER_SW_MONO("Mic Boost Playback Switch", CM_REG_MIXER2, CM_MICGAINZ_SHIFT, 1), + CMIPCI_MIXER_VOL_MONO("Mic Capture Volume", CM_REG_MIXER2, CM_VADMIC_SHIFT, 7), + CMIPCI_SB_VOL_MONO("Phone Playback Volume", CM_REG_EXTENT_IND, 5, 7), + CMIPCI_DOUBLE("Phone Playback Switch", CM_REG_EXTENT_IND, CM_REG_EXTENT_IND, 4, 4, 1, 0, 0), + CMIPCI_DOUBLE("Beep Playback Switch", CM_REG_EXTENT_IND, CM_REG_EXTENT_IND, 3, 3, 1, 0, 0), + CMIPCI_DOUBLE("Mic Boost Capture Switch", CM_REG_EXTENT_IND, CM_REG_EXTENT_IND, 0, 0, 1, 0, 0), +}; + +/* + * other switches + */ + +struct cmipci_switch_args { + int reg; /* register index */ + unsigned int mask; /* mask bits */ + unsigned int mask_on; /* mask bits to turn on */ + unsigned int is_byte: 1; /* byte access? */ + unsigned int ac3_sensitive: 1; /* access forbidden during + * non-audio operation? + */ +}; + +#define snd_cmipci_uswitch_info snd_ctl_boolean_mono_info + +static int _snd_cmipci_uswitch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol, + struct cmipci_switch_args *args) +{ + unsigned int val; + struct cmipci *cm = snd_kcontrol_chip(kcontrol); + + spin_lock_irq(&cm->reg_lock); + if (args->ac3_sensitive && cm->mixer_insensitive) { + ucontrol->value.integer.value[0] = 0; + spin_unlock_irq(&cm->reg_lock); + return 0; + } + if (args->is_byte) + val = inb(cm->iobase + args->reg); + else + val = snd_cmipci_read(cm, args->reg); + ucontrol->value.integer.value[0] = ((val & args->mask) == args->mask_on) ? 1 : 0; + spin_unlock_irq(&cm->reg_lock); + return 0; +} + +static int snd_cmipci_uswitch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct cmipci_switch_args *args; + args = (struct cmipci_switch_args *)kcontrol->private_value; + if (snd_BUG_ON(!args)) + return -EINVAL; + return _snd_cmipci_uswitch_get(kcontrol, ucontrol, args); +} + +static int _snd_cmipci_uswitch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol, + struct cmipci_switch_args *args) +{ + unsigned int val; + int change; + struct cmipci *cm = snd_kcontrol_chip(kcontrol); + + spin_lock_irq(&cm->reg_lock); + if (args->ac3_sensitive && cm->mixer_insensitive) { + /* ignored */ + spin_unlock_irq(&cm->reg_lock); + return 0; + } + if (args->is_byte) + val = inb(cm->iobase + args->reg); + else + val = snd_cmipci_read(cm, args->reg); + change = (val & args->mask) != (ucontrol->value.integer.value[0] ? + args->mask_on : (args->mask & ~args->mask_on)); + if (change) { + val &= ~args->mask; + if (ucontrol->value.integer.value[0]) + val |= args->mask_on; + else + val |= (args->mask & ~args->mask_on); + if (args->is_byte) + outb((unsigned char)val, cm->iobase + args->reg); + else + snd_cmipci_write(cm, args->reg, val); + } + spin_unlock_irq(&cm->reg_lock); + return change; +} + +static int snd_cmipci_uswitch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct cmipci_switch_args *args; + args = (struct cmipci_switch_args *)kcontrol->private_value; + if (snd_BUG_ON(!args)) + return -EINVAL; + return _snd_cmipci_uswitch_put(kcontrol, ucontrol, args); +} + +#define DEFINE_SWITCH_ARG(sname, xreg, xmask, xmask_on, xis_byte, xac3) \ +static struct cmipci_switch_args cmipci_switch_arg_##sname = { \ + .reg = xreg, \ + .mask = xmask, \ + .mask_on = xmask_on, \ + .is_byte = xis_byte, \ + .ac3_sensitive = xac3, \ +} + +#define DEFINE_BIT_SWITCH_ARG(sname, xreg, xmask, xis_byte, xac3) \ + DEFINE_SWITCH_ARG(sname, xreg, xmask, xmask, xis_byte, xac3) + +#if 0 /* these will be controlled in pcm device */ +DEFINE_BIT_SWITCH_ARG(spdif_in, CM_REG_FUNCTRL1, CM_SPDF_1, 0, 0); +DEFINE_BIT_SWITCH_ARG(spdif_out, CM_REG_FUNCTRL1, CM_SPDF_0, 0, 0); +#endif +DEFINE_BIT_SWITCH_ARG(spdif_in_sel1, CM_REG_CHFORMAT, CM_SPDIF_SELECT1, 0, 0); +DEFINE_BIT_SWITCH_ARG(spdif_in_sel2, CM_REG_MISC_CTRL, CM_SPDIF_SELECT2, 0, 0); +DEFINE_BIT_SWITCH_ARG(spdif_enable, CM_REG_LEGACY_CTRL, CM_ENSPDOUT, 0, 0); +DEFINE_BIT_SWITCH_ARG(spdo2dac, CM_REG_FUNCTRL1, CM_SPDO2DAC, 0, 1); +DEFINE_BIT_SWITCH_ARG(spdi_valid, CM_REG_MISC, CM_SPDVALID, 1, 0); +DEFINE_BIT_SWITCH_ARG(spdif_copyright, CM_REG_LEGACY_CTRL, CM_SPDCOPYRHT, 0, 0); +DEFINE_BIT_SWITCH_ARG(spdif_dac_out, CM_REG_LEGACY_CTRL, CM_DAC2SPDO, 0, 1); +DEFINE_SWITCH_ARG(spdo_5v, CM_REG_MISC_CTRL, CM_SPDO5V, 0, 0, 0); /* inverse: 0 = 5V */ +// DEFINE_BIT_SWITCH_ARG(spdo_48k, CM_REG_MISC_CTRL, CM_SPDF_AC97|CM_SPDIF48K, 0, 1); +DEFINE_BIT_SWITCH_ARG(spdif_loop, CM_REG_FUNCTRL1, CM_SPDFLOOP, 0, 1); +DEFINE_BIT_SWITCH_ARG(spdi_monitor, CM_REG_MIXER1, CM_CDPLAY, 1, 0); +/* DEFINE_BIT_SWITCH_ARG(spdi_phase, CM_REG_CHFORMAT, CM_SPDIF_INVERSE, 0, 0); */ +DEFINE_BIT_SWITCH_ARG(spdi_phase, CM_REG_MISC, CM_SPDIF_INVERSE, 1, 0); +DEFINE_BIT_SWITCH_ARG(spdi_phase2, CM_REG_CHFORMAT, CM_SPDIF_INVERSE2, 0, 0); +#if CM_CH_PLAY == 1 +DEFINE_SWITCH_ARG(exchange_dac, CM_REG_MISC_CTRL, CM_XCHGDAC, 0, 0, 0); /* reversed */ +#else +DEFINE_SWITCH_ARG(exchange_dac, CM_REG_MISC_CTRL, CM_XCHGDAC, CM_XCHGDAC, 0, 0); +#endif +DEFINE_BIT_SWITCH_ARG(fourch, CM_REG_MISC_CTRL, CM_N4SPK3D, 0, 0); +// DEFINE_BIT_SWITCH_ARG(line_rear, CM_REG_MIXER1, CM_REAR2LIN, 1, 0); +// DEFINE_BIT_SWITCH_ARG(line_bass, CM_REG_LEGACY_CTRL, CM_CENTR2LIN|CM_BASE2LIN, 0, 0); +// DEFINE_BIT_SWITCH_ARG(joystick, CM_REG_FUNCTRL1, CM_JYSTK_EN, 0, 0); /* now module option */ +DEFINE_SWITCH_ARG(modem, CM_REG_MISC_CTRL, CM_FLINKON|CM_FLINKOFF, CM_FLINKON, 0, 0); + +#define DEFINE_SWITCH(sname, stype, sarg) \ +{ .name = sname, \ + .iface = stype, \ + .info = snd_cmipci_uswitch_info, \ + .get = snd_cmipci_uswitch_get, \ + .put = snd_cmipci_uswitch_put, \ + .private_value = (unsigned long)&cmipci_switch_arg_##sarg,\ +} + +#define DEFINE_CARD_SWITCH(sname, sarg) DEFINE_SWITCH(sname, SNDRV_CTL_ELEM_IFACE_CARD, sarg) +#define DEFINE_MIXER_SWITCH(sname, sarg) DEFINE_SWITCH(sname, SNDRV_CTL_ELEM_IFACE_MIXER, sarg) + + +/* + * callbacks for spdif output switch + * needs toggle two registers.. + */ +static int snd_cmipci_spdout_enable_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + int changed; + changed = _snd_cmipci_uswitch_get(kcontrol, ucontrol, &cmipci_switch_arg_spdif_enable); + changed |= _snd_cmipci_uswitch_get(kcontrol, ucontrol, &cmipci_switch_arg_spdo2dac); + return changed; +} + +static int snd_cmipci_spdout_enable_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct cmipci *chip = snd_kcontrol_chip(kcontrol); + int changed; + changed = _snd_cmipci_uswitch_put(kcontrol, ucontrol, &cmipci_switch_arg_spdif_enable); + changed |= _snd_cmipci_uswitch_put(kcontrol, ucontrol, &cmipci_switch_arg_spdo2dac); + if (changed) { + if (ucontrol->value.integer.value[0]) { + if (chip->spdif_playback_avail) + snd_cmipci_set_bit(chip, CM_REG_FUNCTRL1, CM_PLAYBACK_SPDF); + } else { + if (chip->spdif_playback_avail) + snd_cmipci_clear_bit(chip, CM_REG_FUNCTRL1, CM_PLAYBACK_SPDF); + } + } + chip->spdif_playback_enabled = ucontrol->value.integer.value[0]; + return changed; +} + + +static int snd_cmipci_line_in_mode_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct cmipci *cm = snd_kcontrol_chip(kcontrol); + static const char *const texts[3] = { + "Line-In", "Rear Output", "Bass Output" + }; + + return snd_ctl_enum_info(uinfo, 1, + cm->chip_version >= 39 ? 3 : 2, texts); +} + +static inline unsigned int get_line_in_mode(struct cmipci *cm) +{ + unsigned int val; + if (cm->chip_version >= 39) { + val = snd_cmipci_read(cm, CM_REG_LEGACY_CTRL); + if (val & (CM_CENTR2LIN | CM_BASE2LIN)) + return 2; + } + val = snd_cmipci_read_b(cm, CM_REG_MIXER1); + if (val & CM_REAR2LIN) + return 1; + return 0; +} + +static int snd_cmipci_line_in_mode_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct cmipci *cm = snd_kcontrol_chip(kcontrol); + + spin_lock_irq(&cm->reg_lock); + ucontrol->value.enumerated.item[0] = get_line_in_mode(cm); + spin_unlock_irq(&cm->reg_lock); + return 0; +} + +static int snd_cmipci_line_in_mode_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct cmipci *cm = snd_kcontrol_chip(kcontrol); + int change; + + spin_lock_irq(&cm->reg_lock); + if (ucontrol->value.enumerated.item[0] == 2) + change = snd_cmipci_set_bit(cm, CM_REG_LEGACY_CTRL, CM_CENTR2LIN | CM_BASE2LIN); + else + change = snd_cmipci_clear_bit(cm, CM_REG_LEGACY_CTRL, CM_CENTR2LIN | CM_BASE2LIN); + if (ucontrol->value.enumerated.item[0] == 1) + change |= snd_cmipci_set_bit_b(cm, CM_REG_MIXER1, CM_REAR2LIN); + else + change |= snd_cmipci_clear_bit_b(cm, CM_REG_MIXER1, CM_REAR2LIN); + spin_unlock_irq(&cm->reg_lock); + return change; +} + +static int snd_cmipci_mic_in_mode_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + static const char *const texts[2] = { "Mic-In", "Center/LFE Output" }; + + return snd_ctl_enum_info(uinfo, 1, 2, texts); +} + +static int snd_cmipci_mic_in_mode_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct cmipci *cm = snd_kcontrol_chip(kcontrol); + /* same bit as spdi_phase */ + spin_lock_irq(&cm->reg_lock); + ucontrol->value.enumerated.item[0] = + (snd_cmipci_read_b(cm, CM_REG_MISC) & CM_SPDIF_INVERSE) ? 1 : 0; + spin_unlock_irq(&cm->reg_lock); + return 0; +} + +static int snd_cmipci_mic_in_mode_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct cmipci *cm = snd_kcontrol_chip(kcontrol); + int change; + + spin_lock_irq(&cm->reg_lock); + if (ucontrol->value.enumerated.item[0]) + change = snd_cmipci_set_bit_b(cm, CM_REG_MISC, CM_SPDIF_INVERSE); + else + change = snd_cmipci_clear_bit_b(cm, CM_REG_MISC, CM_SPDIF_INVERSE); + spin_unlock_irq(&cm->reg_lock); + return change; +} + +/* both for CM8338/8738 */ +static const struct snd_kcontrol_new snd_cmipci_mixer_switches[] = { + DEFINE_MIXER_SWITCH("Four Channel Mode", fourch), + { + .name = "Line-In Mode", + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .info = snd_cmipci_line_in_mode_info, + .get = snd_cmipci_line_in_mode_get, + .put = snd_cmipci_line_in_mode_put, + }, +}; + +/* for non-multichannel chips */ +static const struct snd_kcontrol_new snd_cmipci_nomulti_switch = +DEFINE_MIXER_SWITCH("Exchange DAC", exchange_dac); + +/* only for CM8738 */ +static const struct snd_kcontrol_new snd_cmipci_8738_mixer_switches[] = { +#if 0 /* controlled in pcm device */ + DEFINE_MIXER_SWITCH("IEC958 In Record", spdif_in), + DEFINE_MIXER_SWITCH("IEC958 Out", spdif_out), + DEFINE_MIXER_SWITCH("IEC958 Out To DAC", spdo2dac), +#endif + // DEFINE_MIXER_SWITCH("IEC958 Output Switch", spdif_enable), + { .name = "IEC958 Output Switch", + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .info = snd_cmipci_uswitch_info, + .get = snd_cmipci_spdout_enable_get, + .put = snd_cmipci_spdout_enable_put, + }, + DEFINE_MIXER_SWITCH("IEC958 In Valid", spdi_valid), + DEFINE_MIXER_SWITCH("IEC958 Copyright", spdif_copyright), + DEFINE_MIXER_SWITCH("IEC958 5V", spdo_5v), +// DEFINE_MIXER_SWITCH("IEC958 In/Out 48KHz", spdo_48k), + DEFINE_MIXER_SWITCH("IEC958 Loop", spdif_loop), + DEFINE_MIXER_SWITCH("IEC958 In Monitor", spdi_monitor), +}; + +/* only for model 033/037 */ +static const struct snd_kcontrol_new snd_cmipci_old_mixer_switches[] = { + DEFINE_MIXER_SWITCH("IEC958 Mix Analog", spdif_dac_out), + DEFINE_MIXER_SWITCH("IEC958 In Phase Inverse", spdi_phase), + DEFINE_MIXER_SWITCH("IEC958 In Select", spdif_in_sel1), +}; + +/* only for model 039 or later */ +static const struct snd_kcontrol_new snd_cmipci_extra_mixer_switches[] = { + DEFINE_MIXER_SWITCH("IEC958 In Select", spdif_in_sel2), + DEFINE_MIXER_SWITCH("IEC958 In Phase Inverse", spdi_phase2), + { + .name = "Mic-In Mode", + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .info = snd_cmipci_mic_in_mode_info, + .get = snd_cmipci_mic_in_mode_get, + .put = snd_cmipci_mic_in_mode_put, + } +}; + +/* card control switches */ +static const struct snd_kcontrol_new snd_cmipci_modem_switch = +DEFINE_CARD_SWITCH("Modem", modem); + + +static int snd_cmipci_mixer_new(struct cmipci *cm, int pcm_spdif_device) +{ + struct snd_card *card; + const struct snd_kcontrol_new *sw; + struct snd_kcontrol *kctl; + unsigned int idx; + int err; + + if (snd_BUG_ON(!cm || !cm->card)) + return -EINVAL; + + card = cm->card; + + strcpy(card->mixername, "CMedia PCI"); + + spin_lock_irq(&cm->reg_lock); + snd_cmipci_mixer_write(cm, 0x00, 0x00); /* mixer reset */ + spin_unlock_irq(&cm->reg_lock); + + for (idx = 0; idx < ARRAY_SIZE(snd_cmipci_mixers); idx++) { + if (cm->chip_version == 68) { // 8768 has no PCM volume + if (!strcmp(snd_cmipci_mixers[idx].name, + "PCM Playback Volume")) + continue; + } + err = snd_ctl_add(card, snd_ctl_new1(&snd_cmipci_mixers[idx], cm)); + if (err < 0) + return err; + } + + /* mixer switches */ + sw = snd_cmipci_mixer_switches; + for (idx = 0; idx < ARRAY_SIZE(snd_cmipci_mixer_switches); idx++, sw++) { + err = snd_ctl_add(cm->card, snd_ctl_new1(sw, cm)); + if (err < 0) + return err; + } + if (! cm->can_multi_ch) { + err = snd_ctl_add(cm->card, snd_ctl_new1(&snd_cmipci_nomulti_switch, cm)); + if (err < 0) + return err; + } + if (cm->device == PCI_DEVICE_ID_CMEDIA_CM8738 || + cm->device == PCI_DEVICE_ID_CMEDIA_CM8738B) { + sw = snd_cmipci_8738_mixer_switches; + for (idx = 0; idx < ARRAY_SIZE(snd_cmipci_8738_mixer_switches); idx++, sw++) { + err = snd_ctl_add(cm->card, snd_ctl_new1(sw, cm)); + if (err < 0) + return err; + } + if (cm->can_ac3_hw) { + kctl = snd_ctl_new1(&snd_cmipci_spdif_default, cm); + kctl->id.device = pcm_spdif_device; + err = snd_ctl_add(card, kctl); + if (err < 0) + return err; + kctl = snd_ctl_new1(&snd_cmipci_spdif_mask, cm); + kctl->id.device = pcm_spdif_device; + err = snd_ctl_add(card, kctl); + if (err < 0) + return err; + kctl = snd_ctl_new1(&snd_cmipci_spdif_stream, cm); + kctl->id.device = pcm_spdif_device; + err = snd_ctl_add(card, kctl); + if (err < 0) + return err; + } + if (cm->chip_version <= 37) { + sw = snd_cmipci_old_mixer_switches; + for (idx = 0; idx < ARRAY_SIZE(snd_cmipci_old_mixer_switches); idx++, sw++) { + err = snd_ctl_add(cm->card, snd_ctl_new1(sw, cm)); + if (err < 0) + return err; + } + } + } + if (cm->chip_version >= 39) { + sw = snd_cmipci_extra_mixer_switches; + for (idx = 0; idx < ARRAY_SIZE(snd_cmipci_extra_mixer_switches); idx++, sw++) { + err = snd_ctl_add(cm->card, snd_ctl_new1(sw, cm)); + if (err < 0) + return err; + } + } + + /* card switches */ + /* + * newer chips don't have the register bits to force modem link + * detection; the bit that was FLINKON now mutes CH1 + */ + if (cm->chip_version < 39) { + err = snd_ctl_add(cm->card, + snd_ctl_new1(&snd_cmipci_modem_switch, cm)); + if (err < 0) + return err; + } + + for (idx = 0; idx < CM_SAVED_MIXERS; idx++) { + struct snd_ctl_elem_id elem_id; + struct snd_kcontrol *ctl; + memset(&elem_id, 0, sizeof(elem_id)); + elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; + strcpy(elem_id.name, cm_saved_mixer[idx].name); + ctl = snd_ctl_find_id(cm->card, &elem_id); + if (ctl) + cm->mixer_res_ctl[idx] = ctl; + } + + return 0; +} + + +/* + * proc interface + */ + +static void snd_cmipci_proc_read(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) +{ + struct cmipci *cm = entry->private_data; + int i, v; + + snd_iprintf(buffer, "%s\n", cm->card->longname); + for (i = 0; i < 0x94; i++) { + if (i == 0x28) + i = 0x90; + v = inb(cm->iobase + i); + if (i % 4 == 0) + snd_iprintf(buffer, "\n%02x:", i); + snd_iprintf(buffer, " %02x", v); + } + snd_iprintf(buffer, "\n"); +} + +static void snd_cmipci_proc_init(struct cmipci *cm) +{ + snd_card_ro_proc_new(cm->card, "cmipci", cm, snd_cmipci_proc_read); +} + +static const struct pci_device_id snd_cmipci_ids[] = { + {PCI_VDEVICE(CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8338A), 0}, + {PCI_VDEVICE(CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8338B), 0}, + {PCI_VDEVICE(CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8738), 0}, + {PCI_VDEVICE(CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8738B), 0}, + {PCI_VDEVICE(AL, PCI_DEVICE_ID_CMEDIA_CM8738), 0}, + {0,}, +}; + + +/* + * check chip version and capabilities + * driver name is modified according to the chip model + */ +static void query_chip(struct cmipci *cm) +{ + unsigned int detect; + + /* check reg 0Ch, bit 24-31 */ + detect = snd_cmipci_read(cm, CM_REG_INT_HLDCLR) & CM_CHIP_MASK2; + if (! detect) { + /* check reg 08h, bit 24-28 */ + detect = snd_cmipci_read(cm, CM_REG_CHFORMAT) & CM_CHIP_MASK1; + switch (detect) { + case 0: + cm->chip_version = 33; + if (cm->do_soft_ac3) + cm->can_ac3_sw = 1; + else + cm->can_ac3_hw = 1; + break; + case CM_CHIP_037: + cm->chip_version = 37; + cm->can_ac3_hw = 1; + break; + default: + cm->chip_version = 39; + cm->can_ac3_hw = 1; + break; + } + cm->max_channels = 2; + } else { + if (detect & CM_CHIP_039) { + cm->chip_version = 39; + if (detect & CM_CHIP_039_6CH) /* 4 or 6 channels */ + cm->max_channels = 6; + else + cm->max_channels = 4; + } else if (detect & CM_CHIP_8768) { + cm->chip_version = 68; + cm->max_channels = 8; + cm->can_96k = 1; + } else { + cm->chip_version = 55; + cm->max_channels = 6; + cm->can_96k = 1; + } + cm->can_ac3_hw = 1; + cm->can_multi_ch = 1; + } +} + +#ifdef SUPPORT_JOYSTICK +static int snd_cmipci_create_gameport(struct cmipci *cm, int dev) +{ + static const int ports[] = { 0x201, 0x200, 0 }; /* FIXME: majority is 0x201? */ + struct gameport *gp; + struct resource *r = NULL; + int i, io_port = 0; + + if (joystick_port[dev] == 0) + return -ENODEV; + + if (joystick_port[dev] == 1) { /* auto-detect */ + for (i = 0; ports[i]; i++) { + io_port = ports[i]; + r = devm_request_region(&cm->pci->dev, io_port, 1, + "CMIPCI gameport"); + if (r) + break; + } + } else { + io_port = joystick_port[dev]; + r = devm_request_region(&cm->pci->dev, io_port, 1, + "CMIPCI gameport"); + } + + if (!r) { + dev_warn(cm->card->dev, "cannot reserve joystick ports\n"); + return -EBUSY; + } + + cm->gameport = gp = gameport_allocate_port(); + if (!gp) { + dev_err(cm->card->dev, "cannot allocate memory for gameport\n"); + return -ENOMEM; + } + gameport_set_name(gp, "C-Media Gameport"); + gameport_set_phys(gp, "pci%s/gameport0", pci_name(cm->pci)); + gameport_set_dev_parent(gp, &cm->pci->dev); + gp->io = io_port; + + snd_cmipci_set_bit(cm, CM_REG_FUNCTRL1, CM_JYSTK_EN); + + gameport_register_port(cm->gameport); + + return 0; +} + +static void snd_cmipci_free_gameport(struct cmipci *cm) +{ + if (cm->gameport) { + gameport_unregister_port(cm->gameport); + cm->gameport = NULL; + + snd_cmipci_clear_bit(cm, CM_REG_FUNCTRL1, CM_JYSTK_EN); + } +} +#else +static inline int snd_cmipci_create_gameport(struct cmipci *cm, int dev) { return -ENOSYS; } +static inline void snd_cmipci_free_gameport(struct cmipci *cm) { } +#endif + +static void snd_cmipci_free(struct snd_card *card) +{ + struct cmipci *cm = card->private_data; + + snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_FM_EN); + snd_cmipci_clear_bit(cm, CM_REG_LEGACY_CTRL, CM_ENSPDOUT); + snd_cmipci_write(cm, CM_REG_INT_HLDCLR, 0); /* disable ints */ + snd_cmipci_ch_reset(cm, CM_CH_PLAY); + snd_cmipci_ch_reset(cm, CM_CH_CAPT); + snd_cmipci_write(cm, CM_REG_FUNCTRL0, 0); /* disable channels */ + snd_cmipci_write(cm, CM_REG_FUNCTRL1, 0); + + /* reset mixer */ + snd_cmipci_mixer_write(cm, 0, 0); + + snd_cmipci_free_gameport(cm); +} + +static int snd_cmipci_create_fm(struct cmipci *cm, long fm_port) +{ + long iosynth; + unsigned int val; + struct snd_opl3 *opl3; + int err; + + if (!fm_port) + goto disable_fm; + + if (cm->chip_version >= 39) { + /* first try FM regs in PCI port range */ + iosynth = cm->iobase + CM_REG_FM_PCI; + err = snd_opl3_create(cm->card, iosynth, iosynth + 2, + OPL3_HW_OPL3, 1, &opl3); + } else { + err = -EIO; + } + if (err < 0) { + /* then try legacy ports */ + val = snd_cmipci_read(cm, CM_REG_LEGACY_CTRL) & ~CM_FMSEL_MASK; + iosynth = fm_port; + switch (iosynth) { + case 0x3E8: val |= CM_FMSEL_3E8; break; + case 0x3E0: val |= CM_FMSEL_3E0; break; + case 0x3C8: val |= CM_FMSEL_3C8; break; + case 0x388: val |= CM_FMSEL_388; break; + default: + goto disable_fm; + } + snd_cmipci_write(cm, CM_REG_LEGACY_CTRL, val); + /* enable FM */ + snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_FM_EN); + + if (snd_opl3_create(cm->card, iosynth, iosynth + 2, + OPL3_HW_OPL3, 0, &opl3) < 0) { + dev_err(cm->card->dev, + "no OPL device at %#lx, skipping...\n", + iosynth); + goto disable_fm; + } + } + err = snd_opl3_hwdep_new(opl3, 0, 1, NULL); + if (err < 0) { + dev_err(cm->card->dev, "cannot create OPL3 hwdep\n"); + return err; + } + return 0; + + disable_fm: + snd_cmipci_clear_bit(cm, CM_REG_LEGACY_CTRL, CM_FMSEL_MASK); + snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_FM_EN); + return 0; +} + +static int snd_cmipci_create(struct snd_card *card, struct pci_dev *pci, + int dev) +{ + struct cmipci *cm = card->private_data; + int err; + unsigned int val; + long iomidi = 0; + int integrated_midi = 0; + char modelstr[16]; + int pcm_index, pcm_spdif_index; + static const struct pci_device_id intel_82437vx[] = { + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437VX) }, + { }, + }; + + err = pcim_enable_device(pci); + if (err < 0) + return err; + + spin_lock_init(&cm->reg_lock); + mutex_init(&cm->open_mutex); + cm->device = pci->device; + cm->card = card; + cm->pci = pci; + cm->irq = -1; + cm->channel[0].ch = 0; + cm->channel[1].ch = 1; + cm->channel[0].is_dac = cm->channel[1].is_dac = 1; /* dual DAC mode */ + + err = pci_request_regions(pci, card->driver); + if (err < 0) + return err; + cm->iobase = pci_resource_start(pci, 0); + + if (devm_request_irq(&pci->dev, pci->irq, snd_cmipci_interrupt, + IRQF_SHARED, KBUILD_MODNAME, cm)) { + dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); + return -EBUSY; + } + cm->irq = pci->irq; + card->sync_irq = cm->irq; + card->private_free = snd_cmipci_free; + + pci_set_master(cm->pci); + + /* + * check chip version, max channels and capabilities + */ + + cm->chip_version = 0; + cm->max_channels = 2; + cm->do_soft_ac3 = soft_ac3[dev]; + + if (pci->device != PCI_DEVICE_ID_CMEDIA_CM8338A && + pci->device != PCI_DEVICE_ID_CMEDIA_CM8338B) + query_chip(cm); + /* added -MCx suffix for chip supporting multi-channels */ + if (cm->can_multi_ch) + sprintf(cm->card->driver + strlen(cm->card->driver), + "-MC%d", cm->max_channels); + else if (cm->can_ac3_sw) + strcpy(cm->card->driver + strlen(cm->card->driver), "-SWIEC"); + + cm->dig_status = SNDRV_PCM_DEFAULT_CON_SPDIF; + cm->dig_pcm_status = SNDRV_PCM_DEFAULT_CON_SPDIF; + +#if CM_CH_PLAY == 1 + cm->ctrl = CM_CHADC0; /* default FUNCNTRL0 */ +#else + cm->ctrl = CM_CHADC1; /* default FUNCNTRL0 */ +#endif + + /* initialize codec registers */ + snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_RESET); + snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_RESET); + snd_cmipci_write(cm, CM_REG_INT_HLDCLR, 0); /* disable ints */ + snd_cmipci_ch_reset(cm, CM_CH_PLAY); + snd_cmipci_ch_reset(cm, CM_CH_CAPT); + snd_cmipci_write(cm, CM_REG_FUNCTRL0, 0); /* disable channels */ + snd_cmipci_write(cm, CM_REG_FUNCTRL1, 0); + + snd_cmipci_write(cm, CM_REG_CHFORMAT, 0); + snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_ENDBDAC|CM_N4SPK3D); +#if CM_CH_PLAY == 1 + snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_XCHGDAC); +#else + snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_XCHGDAC); +#endif + if (cm->chip_version) { + snd_cmipci_write_b(cm, CM_REG_EXT_MISC, 0x20); /* magic */ + snd_cmipci_write_b(cm, CM_REG_EXT_MISC + 1, 0x09); /* more magic */ + } + /* Set Bus Master Request */ + snd_cmipci_set_bit(cm, CM_REG_FUNCTRL1, CM_BREQ); + + /* Assume TX and compatible chip set (Autodetection required for VX chip sets) */ + switch (pci->device) { + case PCI_DEVICE_ID_CMEDIA_CM8738: + case PCI_DEVICE_ID_CMEDIA_CM8738B: + if (!pci_dev_present(intel_82437vx)) + snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_TXVX); + break; + default: + break; + } + + if (cm->chip_version < 68) { + val = pci->device < 0x110 ? 8338 : 8738; + } else { + switch (snd_cmipci_read_b(cm, CM_REG_INT_HLDCLR + 3) & 0x03) { + case 0: + val = 8769; + break; + case 2: + val = 8762; + break; + default: + switch ((pci->subsystem_vendor << 16) | + pci->subsystem_device) { + case 0x13f69761: + case 0x584d3741: + case 0x584d3751: + case 0x584d3761: + case 0x584d3771: + case 0x72848384: + val = 8770; + break; + default: + val = 8768; + break; + } + } + } + sprintf(card->shortname, "C-Media CMI%d", val); + if (cm->chip_version < 68) + sprintf(modelstr, " (model %d)", cm->chip_version); + else + modelstr[0] = '\0'; + sprintf(card->longname, "%s%s at %#lx, irq %i", + card->shortname, modelstr, cm->iobase, cm->irq); + + if (cm->chip_version >= 39) { + val = snd_cmipci_read_b(cm, CM_REG_MPU_PCI + 1); + if (val != 0x00 && val != 0xff) { + if (mpu_port[dev]) + iomidi = cm->iobase + CM_REG_MPU_PCI; + integrated_midi = 1; + } + } + if (!integrated_midi) { + val = 0; + iomidi = mpu_port[dev]; + switch (iomidi) { + case 0x320: val = CM_VMPU_320; break; + case 0x310: val = CM_VMPU_310; break; + case 0x300: val = CM_VMPU_300; break; + case 0x330: val = CM_VMPU_330; break; + default: + iomidi = 0; break; + } + if (iomidi > 0) { + snd_cmipci_write(cm, CM_REG_LEGACY_CTRL, val); + /* enable UART */ + snd_cmipci_set_bit(cm, CM_REG_FUNCTRL1, CM_UART_EN); + if (inb(iomidi + 1) == 0xff) { + dev_err(cm->card->dev, + "cannot enable MPU-401 port at %#lx\n", + iomidi); + snd_cmipci_clear_bit(cm, CM_REG_FUNCTRL1, + CM_UART_EN); + iomidi = 0; + } + } + } + + if (cm->chip_version < 68) { + err = snd_cmipci_create_fm(cm, fm_port[dev]); + if (err < 0) + return err; + } + + /* reset mixer */ + snd_cmipci_mixer_write(cm, 0, 0); + + snd_cmipci_proc_init(cm); + + /* create pcm devices */ + pcm_index = pcm_spdif_index = 0; + err = snd_cmipci_pcm_new(cm, pcm_index); + if (err < 0) + return err; + pcm_index++; + err = snd_cmipci_pcm2_new(cm, pcm_index); + if (err < 0) + return err; + pcm_index++; + if (cm->can_ac3_hw || cm->can_ac3_sw) { + pcm_spdif_index = pcm_index; + err = snd_cmipci_pcm_spdif_new(cm, pcm_index); + if (err < 0) + return err; + } + + /* create mixer interface & switches */ + err = snd_cmipci_mixer_new(cm, pcm_spdif_index); + if (err < 0) + return err; + + if (iomidi > 0) { + err = snd_mpu401_uart_new(card, 0, MPU401_HW_CMIPCI, + iomidi, + (integrated_midi ? + MPU401_INFO_INTEGRATED : 0) | + MPU401_INFO_IRQ_HOOK, + -1, &cm->rmidi); + if (err < 0) + dev_err(cm->card->dev, + "no UART401 device at 0x%lx\n", iomidi); + } + +#ifdef USE_VAR48KRATE + for (val = 0; val < ARRAY_SIZE(rates); val++) + snd_cmipci_set_pll(cm, rates[val], val); + + /* + * (Re-)Enable external switch spdo_48k + */ + snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_SPDIF48K|CM_SPDF_AC97); +#endif /* USE_VAR48KRATE */ + + if (snd_cmipci_create_gameport(cm, dev) < 0) + snd_cmipci_clear_bit(cm, CM_REG_FUNCTRL1, CM_JYSTK_EN); + + return 0; +} + +/* + */ + +MODULE_DEVICE_TABLE(pci, snd_cmipci_ids); + +static int snd_cmipci_probe(struct pci_dev *pci, + const struct pci_device_id *pci_id) +{ + static int dev; + struct snd_card *card; + int err; + + if (dev >= SNDRV_CARDS) + return -ENODEV; + if (! enable[dev]) { + dev++; + return -ENOENT; + } + + err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, + sizeof(struct cmipci), &card); + if (err < 0) + return err; + + switch (pci->device) { + case PCI_DEVICE_ID_CMEDIA_CM8738: + case PCI_DEVICE_ID_CMEDIA_CM8738B: + strcpy(card->driver, "CMI8738"); + break; + case PCI_DEVICE_ID_CMEDIA_CM8338A: + case PCI_DEVICE_ID_CMEDIA_CM8338B: + strcpy(card->driver, "CMI8338"); + break; + default: + strcpy(card->driver, "CMIPCI"); + break; + } + + err = snd_cmipci_create(card, pci, dev); + if (err < 0) + goto error; + + err = snd_card_register(card); + if (err < 0) + goto error; + + pci_set_drvdata(pci, card); + dev++; + return 0; + + error: + snd_card_free(card); + return err; +} + +#ifdef CONFIG_PM_SLEEP +/* + * power management + */ +static const unsigned char saved_regs[] = { + CM_REG_FUNCTRL1, CM_REG_CHFORMAT, CM_REG_LEGACY_CTRL, CM_REG_MISC_CTRL, + CM_REG_MIXER0, CM_REG_MIXER1, CM_REG_MIXER2, CM_REG_AUX_VOL, CM_REG_PLL, + CM_REG_CH0_FRAME1, CM_REG_CH0_FRAME2, + CM_REG_CH1_FRAME1, CM_REG_CH1_FRAME2, CM_REG_EXT_MISC, + CM_REG_INT_STATUS, CM_REG_INT_HLDCLR, CM_REG_FUNCTRL0, +}; + +static const unsigned char saved_mixers[] = { + SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1, + SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1, + SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1, + SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1, + SB_DSP4_LINE_DEV, SB_DSP4_LINE_DEV + 1, + SB_DSP4_MIC_DEV, SB_DSP4_SPEAKER_DEV, + CM_REG_EXTENT_IND, SB_DSP4_OUTPUT_SW, + SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, +}; + +static int snd_cmipci_suspend(struct device *dev) +{ + struct snd_card *card = dev_get_drvdata(dev); + struct cmipci *cm = card->private_data; + int i; + + snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); + + /* save registers */ + for (i = 0; i < ARRAY_SIZE(saved_regs); i++) + cm->saved_regs[i] = snd_cmipci_read(cm, saved_regs[i]); + for (i = 0; i < ARRAY_SIZE(saved_mixers); i++) + cm->saved_mixers[i] = snd_cmipci_mixer_read(cm, saved_mixers[i]); + + /* disable ints */ + snd_cmipci_write(cm, CM_REG_INT_HLDCLR, 0); + return 0; +} + +static int snd_cmipci_resume(struct device *dev) +{ + struct snd_card *card = dev_get_drvdata(dev); + struct cmipci *cm = card->private_data; + int i; + + /* reset / initialize to a sane state */ + snd_cmipci_write(cm, CM_REG_INT_HLDCLR, 0); + snd_cmipci_ch_reset(cm, CM_CH_PLAY); + snd_cmipci_ch_reset(cm, CM_CH_CAPT); + snd_cmipci_mixer_write(cm, 0, 0); + + /* restore registers */ + for (i = 0; i < ARRAY_SIZE(saved_regs); i++) + snd_cmipci_write(cm, saved_regs[i], cm->saved_regs[i]); + for (i = 0; i < ARRAY_SIZE(saved_mixers); i++) + snd_cmipci_mixer_write(cm, saved_mixers[i], cm->saved_mixers[i]); + + snd_power_change_state(card, SNDRV_CTL_POWER_D0); + return 0; +} + +static SIMPLE_DEV_PM_OPS(snd_cmipci_pm, snd_cmipci_suspend, snd_cmipci_resume); +#define SND_CMIPCI_PM_OPS &snd_cmipci_pm +#else +#define SND_CMIPCI_PM_OPS NULL +#endif /* CONFIG_PM_SLEEP */ + +static struct pci_driver cmipci_driver = { + .name = KBUILD_MODNAME, + .id_table = snd_cmipci_ids, + .probe = snd_cmipci_probe, + .driver = { + .pm = SND_CMIPCI_PM_OPS, + }, +}; + +module_pci_driver(cmipci_driver); |