// 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 0 x00
#define CM_RST_CH1 0 x00080000
#define CM_RST_CH0 0 x00040000
#define CM_CHEN1 0 x00020000 /* ch1: enable */
#define CM_CHEN0 0 x00010000 /* ch0: enable */
#define CM_PAUSE1 0 x00000008 /* ch1: pause */
#define CM_PAUSE0 0 x00000004 /* ch0: pause */
#define CM_CHADC1 0 x00000002 /* ch1, 0:playback, 1:record */
#define CM_CHADC0 0 x00000001 /* ch0, 0:playback, 1:record */
#define CM_REG_FUNCTRL1 0 x04
#define CM_DSFC_MASK 0 x0000E000 /* channel 1 (DAC?) sampling frequency */
#define CM_DSFC_SHIFT 13
#define CM_ASFC_MASK 0 x00001C00 /* channel 0 (ADC?) sampling frequency */
#define CM_ASFC_SHIFT 10
#define CM_SPDF_1 0 x00000200 /* SPDIF IN/OUT at channel B */
#define CM_SPDF_0 0 x00000100 /* SPDIF OUT only channel A */
#define CM_SPDFLOOP 0 x00000080 /* ext. SPDIIF/IN -> OUT loopback */
#define CM_SPDO2DAC 0 x00000040 /* SPDIF/OUT can be heard from internal DAC */
#define CM_INTRM 0 x00000020 /* master control block (MCB) interrupt enabled */
#define CM_BREQ 0 x00000010 /* bus master enabled */
#define CM_VOICE_EN 0 x00000008 /* legacy voice (SB16,FM) */
#define CM_UART_EN 0 x00000004 /* legacy UART */
#define CM_JYSTK_EN 0 x00000002 /* legacy joystick */
#define CM_ZVPORT 0 x00000001 /* ZVPORT */
#define CM_REG_CHFORMAT 0 x08
#define CM_CHB3D5C 0 x80000000 /* 5,6 channels */
#define CM_FMOFFSET2 0 x40000000 /* initial FM PCM offset 2 when Fmute=1 */
#define CM_CHB3D 0 x20000000 /* 4 channels */
#define CM_CHIP_MASK1 0 x1f000000
#define CM_CHIP_037 0 x01000000
#define CM_SETLAT48 0 x00800000 /* set latency timer 48h */
#define CM_EDGEIRQ 0 x00400000 /* emulated edge trigger legacy IRQ */
#define CM_SPD24SEL39 0 x00200000 /* 24-bit spdif: model 039 */
#define CM_AC3EN1 0 x00100000 /* enable AC3: model 037 */
#define CM_SPDIF_SELECT1 0 x00080000 /* for model <= 037 ? */
#define CM_SPD24SEL 0 x00020000 /* 24bit spdif: model 037 */
/* #define CM_SPDIF_INVERSE 0x00010000 */ /* ??? */
#define CM_ADCBITLEN_MASK 0 x0000C000
#define CM_ADCBITLEN_16 0 x00000000
#define CM_ADCBITLEN_15 0 x00004000
#define CM_ADCBITLEN_14 0 x00008000
#define CM_ADCBITLEN_13 0 x0000C000
#define CM_ADCDACLEN_MASK 0 x00003000 /* model 037 */
#define CM_ADCDACLEN_060 0 x00000000
#define CM_ADCDACLEN_066 0 x00001000
#define CM_ADCDACLEN_130 0 x00002000
#define CM_ADCDACLEN_280 0 x00003000
#define CM_ADCDLEN_MASK 0 x00003000 /* model 039 */
#define CM_ADCDLEN_ORIGINAL 0 x00000000
#define CM_ADCDLEN_EXTRA 0 x00001000
#define CM_ADCDLEN_24K 0 x00002000
#define CM_ADCDLEN_WEIGHT 0 x00003000
#define CM_CH1_SRATE_176K 0 x00000800
#define CM_CH1_SRATE_96K 0 x00000800 /* model 055? */
#define CM_CH1_SRATE_88K 0 x00000400
#define CM_CH0_SRATE_176K 0 x00000200
#define CM_CH0_SRATE_96K 0 x00000200 /* model 055? */
#define CM_CH0_SRATE_88K 0 x00000100
#define CM_CH0_SRATE_128K 0 x00000300
#define CM_CH0_SRATE_MASK 0 x00000300
#define CM_SPDIF_INVERSE2 0 x00000080 /* model 055? */
#define CM_DBLSPDS 0 x00000040 /* double SPDIF sample rate 88.2/96 */
#define CM_POLVALID 0 x00000020 /* inverse SPDIF/IN valid bit */
#define CM_SPDLOCKED 0 x00000010
#define CM_CH1FMT_MASK 0 x0000000C /* bit 3: 16 bits, bit 2: stereo */
#define CM_CH1FMT_SHIFT 2
#define CM_CH0FMT_MASK 0 x00000003 /* bit 1: 16 bits, bit 0: stereo */
#define CM_CH0FMT_SHIFT 0
#define CM_REG_INT_HLDCLR 0 x0C
#define CM_CHIP_MASK2 0 xff000000
#define CM_CHIP_8768 0 x20000000
#define CM_CHIP_055 0 x08000000
#define CM_CHIP_039 0 x04000000
#define CM_CHIP_039_6CH 0 x01000000
#define CM_UNKNOWN_INT_EN 0 x00080000 /* ? */
#define CM_TDMA_INT_EN 0 x00040000
#define CM_CH1_INT_EN 0 x00020000
#define CM_CH0_INT_EN 0 x00010000
#define CM_REG_INT_STATUS 0 x10
#define CM_INTR 0 x80000000
#define CM_VCO 0 x08000000 /* Voice Control? CMI8738 */
#define CM_MCBINT 0 x04000000 /* Master Control Block abort cond.? */
#define CM_UARTINT 0 x00010000
#define CM_LTDMAINT 0 x00008000
#define CM_HTDMAINT 0 x00004000
#define CM_XDO46 0 x00000080 /* Modell 033? Direct programming EEPROM (read data register) */
#define CM_LHBTOG 0 x00000040 /* High/Low status from DMA ctrl register */
#define CM_LEG_HDMA 0 x00000020 /* Legacy is in High DMA channel */
#define CM_LEG_STEREO 0 x00000010 /* Legacy is in Stereo mode */
#define CM_CH1BUSY 0 x00000008
#define CM_CH0BUSY 0 x00000004
#define CM_CHINT1 0 x00000002
#define CM_CHINT0 0 x00000001
#define CM_REG_LEGACY_CTRL 0 x14
#define CM_NXCHG 0 x80000000 /* don't map base reg dword->sample */
#define CM_VMPU_MASK 0 x60000000 /* MPU401 i/o port address */
#define CM_VMPU_330 0 x00000000
#define CM_VMPU_320 0 x20000000
#define CM_VMPU_310 0 x40000000
#define CM_VMPU_300 0 x60000000
#define CM_ENWR8237 0 x10000000 /* enable bus master to write 8237 base reg */
#define CM_VSBSEL_MASK 0 x0C000000 /* SB16 base address */
#define CM_VSBSEL_220 0 x00000000
#define CM_VSBSEL_240 0 x04000000
#define CM_VSBSEL_260 0 x08000000
#define CM_VSBSEL_280 0 x0C000000
#define CM_FMSEL_MASK 0 x03000000 /* FM OPL3 base address */
#define CM_FMSEL_388 0 x00000000
#define CM_FMSEL_3C8 0 x01000000
#define CM_FMSEL_3E0 0 x02000000
#define CM_FMSEL_3E8 0 x03000000
#define CM_ENSPDOUT 0 x00800000 /* enable XSPDIF/OUT to I/O interface */
#define CM_SPDCOPYRHT 0 x00400000 /* spdif in/out copyright bit */
#define CM_DAC2SPDO 0 x00200000 /* enable wave+fm_midi -> SPDIF/OUT */
#define CM_INVIDWEN 0 x00100000 /* internal vendor ID write enable, model 039? */
#define CM_SETRETRY 0 x00100000 /* 0: legacy i/o wait (default), 1: legacy i/o bus retry */
#define CM_C_EEACCESS 0 x00080000 /* direct programming eeprom regs */
#define CM_C_EECS 0 x00040000
#define CM_C_EEDI46 0 x00020000
#define CM_C_EECK46 0 x00010000
#define CM_CHB3D6C 0 x00008000 /* 5.1 channels support */
#define CM_CENTR2LIN 0 x00004000 /* line-in as center out */
#define CM_BASE2LIN 0 x00002000 /* line-in as bass out */
#define CM_EXBASEN 0 x00001000 /* external bass input enable */
#define CM_REG_MISC_CTRL 0 x18
#define CM_PWD 0 x80000000 /* power down */
#define CM_RESET 0 x40000000
#define CM_SFIL_MASK 0 x30000000 /* filter control at front end DAC, model 037? */
#define CM_VMGAIN 0 x10000000 /* analog master amp +6dB, model 039? */
#define CM_TXVX 0 x08000000 /* model 037? */
#define CM_N4SPK3D 0 x04000000 /* copy front to rear */
#define CM_SPDO5V 0 x02000000 /* 5V spdif output (1 = 0.5v (coax)) */
#define CM_SPDIF48K 0 x01000000 /* write */
#define CM_SPATUS48K 0 x01000000 /* read */
#define CM_ENDBDAC 0 x00800000 /* enable double dac */
#define CM_XCHGDAC 0 x00400000 /* 0: front=ch0, 1: front=ch1 */
#define CM_SPD32SEL 0 x00200000 /* 0: 16bit SPDIF, 1: 32bit */
#define CM_SPDFLOOPI 0 x00100000 /* int. SPDIF-OUT -> int. IN */
#define CM_FM_EN 0 x00080000 /* enable legacy FM */
#define CM_AC3EN2 0 x00040000 /* enable AC3: model 039 */
#define CM_ENWRASID 0 x00010000 /* choose writable internal SUBID (audio) */
#define CM_VIDWPDSB 0 x00010000 /* model 037? */
#define CM_SPDF_AC97 0 x00008000 /* 0: SPDIF/OUT 44.1K, 1: 48K */
#define CM_MASK_EN 0 x00004000 /* activate channel mask on legacy DMA */
#define CM_ENWRMSID 0 x00002000 /* choose writable internal SUBID (modem) */
#define CM_VIDWPPRT 0 x00002000 /* model 037? */
#define CM_SFILENB 0 x00001000 /* filter stepping at front end DAC, model 037? */
#define CM_MMODE_MASK 0 x00000E00 /* model DAA interface mode */
#define CM_SPDIF_SELECT2 0 x00000100 /* for model > 039 ? */
#define CM_ENCENTER 0 x00000080
#define CM_FLINKON 0 x00000040 /* force modem link detection on, model 037 */
#define CM_MUTECH1 0 x00000040 /* mute PCI ch1 to DAC */
#define CM_FLINKOFF 0 x00000020 /* force modem link detection off, model 037 */
#define CM_MIDSMP 0 x00000010 /* 1/2 interpolation at front end DAC */
#define CM_UPDDMA_MASK 0 x0000000C /* TDMA position update notification */
#define CM_UPDDMA_2048 0 x00000000
#define CM_UPDDMA_1024 0 x00000004
#define CM_UPDDMA_512 0 x00000008
#define CM_UPDDMA_256 0 x0000000C
#define CM_TWAIT_MASK 0 x00000003 /* model 037 */
#define CM_TWAIT1 0 x00000002 /* FM i/o cycle, 0: 48, 1: 64 PCICLKs */
#define CM_TWAIT0 0 x00000001 /* i/o cycle, 0: 4, 1: 6 PCICLKs */
#define CM_REG_TDMA_POSITION 0 x1C
#define CM_TDMA_CNT_MASK 0 xFFFF0000 /* current byte/word count */
#define CM_TDMA_ADR_MASK 0 x0000FFFF /* current address */
/* byte */
#define CM_REG_MIXER0 0 x20
#define CM_REG_SBVR 0 x20 /* write: sb16 version */
#define CM_REG_DEV 0 x20 /* read: hardware device version */
#define CM_REG_MIXER21 0 x21
#define CM_UNKNOWN_21_MASK 0 x78 /* ? */
#define CM_X_ADPCM 0 x04 /* SB16 ADPCM enable */
#define CM_PROINV 0 x02 /* SBPro left/right channel switching */
#define CM_X_SB16 0 x01 /* SB16 compatible */
#define CM_REG_SB16_DATA 0 x22
#define CM_REG_SB16_ADDR 0 x23
#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 0 x24
#define CM_FMMUTE 0 x80 /* mute FM */
#define CM_FMMUTE_SHIFT 7
#define CM_WSMUTE 0 x40 /* mute PCM */
#define CM_WSMUTE_SHIFT 6
#define CM_REAR2LIN 0 x20 /* lin-in -> rear line out */
#define CM_REAR2LIN_SHIFT 5
#define CM_REAR2FRONT 0 x10 /* exchange rear/front */
#define CM_REAR2FRONT_SHIFT 4
#define CM_WAVEINL 0 x08 /* digital wave rec. left chan */
#define CM_WAVEINL_SHIFT 3
#define CM_WAVEINR 0 x04 /* digical wave rec. right */
#define CM_WAVEINR_SHIFT 2
#define CM_X3DEN 0 x02 /* 3D surround enable */
#define CM_X3DEN_SHIFT 1
#define CM_CDPLAY 0 x01 /* enable SPDIF/IN PCM -> DAC */
#define CM_CDPLAY_SHIFT 0
#define CM_REG_MIXER2 0 x25
#define CM_RAUXREN 0 x80 /* AUX right capture */
#define CM_RAUXREN_SHIFT 7
#define CM_RAUXLEN 0 x40 /* AUX left capture */
#define CM_RAUXLEN_SHIFT 6
#define CM_VAUXRM 0 x20 /* AUX right mute */
#define CM_VAUXRM_SHIFT 5
#define CM_VAUXLM 0 x10 /* AUX left mute */
#define CM_VAUXLM_SHIFT 4
#define CM_VADMIC_MASK 0 x0e /* mic gain level (0-3) << 1 */
#define CM_VADMIC_SHIFT 1
#define CM_MICGAINZ 0 x01 /* mic boost */
#define CM_MICGAINZ_SHIFT 0
#define CM_REG_AUX_VOL 0 x26
#define CM_VAUXL_MASK 0 xf0
#define CM_VAUXR_MASK 0 x0f
#define CM_REG_MISC 0 x27
#define CM_UNKNOWN_27_MASK 0 xd8 /* ? */
#define CM_XGPO1 0 x20
// #define CM_XGPBIO 0x04
#define CM_MIC_CENTER_LFE 0 x04 /* mic as center/lfe out? (model 039 or later?) */
#define CM_SPDIF_INVERSE 0 x04 /* spdif input phase inverse (model 037) */
#define CM_SPDVALID 0 x02 /* spdif input valid check */
#define CM_DMAUTO 0 x01 /* SB16 DMA auto detect */
#define CM_REG_AC97 0 x28 /* 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 0 x40
/*
* FM pci port index address 0x50 - 0x5f (CMI-8738 spec ver. 0.6)
*/
#define CM_REG_FM_PCI 0 x50
/*
* access from SB-mixer port
*/
#define CM_REG_EXTENT_IND 0 xf0
#define CM_VPHONE_MASK 0 xe0 /* Phone volume control (0-3) << 5 */
#define CM_VPHONE_SHIFT 5
#define CM_VPHOM 0 x10 /* Phone mute control */
#define CM_VSPKM 0 x08 /* Speaker mute control, default high */
#define CM_RLOOPREN 0 x04 /* Rec. R-channel enable */
#define CM_RLOOPLEN 0 x02 /* Rec. L-channel enable */
#define CM_VADMIC3 0 x01 /* 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 0 xf8
/*
* extended registers
*/
#define CM_REG_CH0_FRAME1 0 x80 /* write: base address */
#define CM_REG_CH0_FRAME2 0 x84 /* read: current address */
#define CM_REG_CH1_FRAME1 0 x88 /* 0-15: count of samples at bus master; buffer size */
#define CM_REG_CH1_FRAME2 0 x8C /* 16-31: count of samples at codec; fragment size */
#define CM_REG_EXT_MISC 0 x90
#define CM_ADC48K44K 0 x10000000 /* ADC parameters group, 0: 44k, 1: 48k */
#define CM_CHB3D8C 0 x00200000 /* 7.1 channels support */
#define CM_SPD32FMT 0 x00100000 /* SPDIF/IN 32k sample rate */
#define CM_ADC2SPDIF 0 x00080000 /* ADC output to SPDIF/OUT */
#define CM_SHAREADC 0 x00040000 /* DAC in ADC as Center/LFE */
#define CM_REALTCMP 0 x00020000 /* monitor the CMPL/CMPR of ADC */
#define CM_INVLRCK 0 x00010000 /* invert ZVPORT's LRCK */
#define CM_UNKNOWN_90_MASK 0 x0000FFFF /* ? */
/*
* size of i/o region
*/
#define CM_EXTENT_CODEC 0 x100
#define CM_EXTENT_MIDI 0 x2
#define CM_EXTENT_SYNTH 0 x4
/*
* 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 0 x01
#define CM_OPEN_DAC 0 x10
#define CM_OPEN_ADC 0 x20
#define CM_OPEN_SPDIF 0 x40
#define CM_OPEN_MCHAN 0 x80
#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;
unsigned int saved_regs[0 x20];
unsigned char saved_mixers[0 x20];
};
/* 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 > 0 xff)
goto out;
tolerance = rate*CM_TOLERANCE_RATE;
for (xn = (1 +2 ); xn < (0 x1f+2 ); xn++) {
for (xm = (1 +2 ); xm < (0 xff+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&0 xff);
/* 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 != 0 x03) /* 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 |= 0 x02;
if (snd_pcm_format_width(runtime->format) > 16 )
rec->shift++; /* 24/32bit */
}
if (runtime->channels > 1 )
rec->fmt |= 0 x01;
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 )) & 0 xff;
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 ] = 0 xff;
ucontrol->value.iec958.status[1 ] = 0 xff;
ucontrol->value.iec958.status[2 ] = 0 xff;
ucontrol->value.iec958.status[3 ] = 0 xff;
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 )) & 0 xff;
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 ,
};
/*
* 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 ) {
runtime->hw.rates |= SNDRV_PCM_RATE_88200 |
SNDRV_PCM_RATE_96000 |
SNDRV_PCM_RATE_128000;
runtime->hw.rate_max = 128000 ;
}
snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0 , 0 x10000);
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 ) {
runtime->hw.rates |= SNDRV_PCM_RATE_88200 |
SNDRV_PCM_RATE_96000 |
SNDRV_PCM_RATE_128000;
runtime->hw.rate_max = 128000 ;
}
snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0 , 0 x10000);
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 ) {
runtime->hw.rates |= SNDRV_PCM_RATE_88200 |
SNDRV_PCM_RATE_96000 |
SNDRV_PCM_RATE_128000;
runtime->hw.rate_max = 128000 ;
}
snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0 , 0 x10000);
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 , 0 x40000);
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 , 0 x40000);
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 ;
strscpy(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 ;
strscpy(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 ;
strscpy(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 & 0 xff;
r->right_reg = (val >> 8 ) & 0 xff;
r->left_shift = (val >> 16 ) & 0 x07;
r->right_shift = (val >> 19 ) & 0 x07;
r->invert = (val >> 22 ) & 1 ;
r->stereo = (val >> 23 ) & 1 ;
r->mask = (val >> 24 ) & 0 xff;
}
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;
strscpy(card->mixername, "CMedia PCI" );
spin_lock_irq(&cm->reg_lock);
snd_cmipci_mixer_write(cm, 0 x00, 0 x00); /* 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_kcontrol *ctl;
ctl = snd_ctl_find_id_mixer(cm->card, cm_saved_mixer[idx].name);
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 < 0 x94; i++) {
if (i == 0 x28)
i = 0 x90;
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[] = { 0 x201, 0 x200, 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 0 x3E8: val |= CM_FMSEL_3E8; break ;
case 0 x3E0: val |= CM_FMSEL_3E0; break ;
case 0 x3C8: val |= CM_FMSEL_3C8; break ;
case 0 x388: 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 = pcim_request_all_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) {
int l = strlen(cm->card->driver);
scnprintf(cm->card->driver + l, sizeof (cm->card->driver) - l,
"-MC%d" , cm->max_channels);
} else if (cm->can_ac3_sw)
strlcat(cm->card->driver, "-SWIEC" , sizeof (cm->card->driver));
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, 0 x20); /* magic */
snd_cmipci_write_b(cm, CM_REG_EXT_MISC + 1 , 0 x09); /* 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 < 0 x110 ? 8338 : 8738 ;
} else {
switch (snd_cmipci_read_b(cm, CM_REG_INT_HLDCLR + 3 ) & 0 x03) {
case 0 :
val = 8769 ;
break ;
case 2 :
val = 8762 ;
break ;
default :
switch ((pci->subsystem_vendor << 16 ) |
pci->subsystem_device) {
case 0 x13f69761:
case 0 x584d3741:
case 0 x584d3751:
case 0 x584d3761:
case 0 x584d3771:
case 0 x72848384:
val = 8770 ;
break ;
default :
val = 8768 ;
break ;
}
}
}
sprintf(card->shortname, "C-Media CMI%u" , val);
if (cm->chip_version < 68 )
scnprintf(modelstr, sizeof (modelstr),
" (model %d)" , cm->chip_version);
else
modelstr[0 ] = '\0' ;
scnprintf(card->longname, sizeof (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 != 0 x00 && val != 0 xff) {
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 0 x320: val = CM_VMPU_320; break ;
case 0 x310: val = CM_VMPU_310; break ;
case 0 x300: val = CM_VMPU_300; break ;
case 0 x330: 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 ) == 0 xff) {
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:
strscpy(card->driver, "CMI8738" );
break ;
case PCI_DEVICE_ID_CMEDIA_CM8338A:
case PCI_DEVICE_ID_CMEDIA_CM8338B:
strscpy(card->driver, "CMI8338" );
break ;
default :
strscpy(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;
}
/*
* 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 DEFINE_SIMPLE_DEV_PM_OPS(snd_cmipci_pm, snd_cmipci_suspend, snd_cmipci_resume);
static struct pci_driver cmipci_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_cmipci_ids,
.probe = snd_cmipci_probe,
.driver = {
.pm = &snd_cmipci_pm,
},
};
module_pci_driver(cmipci_driver);
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(vorverarbeitet am 2026-06-04)
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