From: Takashi Iwai Date: Thu, 12 Jan 2006 10:47:32 +0000 (+0100) Subject: [ALSA] intel8x0 - Fix/cleanup detection of codecs on SIS7012 X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=84a43bd523a63f1b53fd734c3798d71b7b53f123;p=openwrt%2Fstaging%2Fblogic.git [ALSA] intel8x0 - Fix/cleanup detection of codecs on SIS7012 Modules: Intel8x0 driver Fix the detection of tertriary codec on SIS7012, including clean-ups of relevant codes. Signed-off-by: Takashi Iwai --- diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c index 174237f4a22c..da024ffe96c2 100644 --- a/sound/pci/intel8x0.c +++ b/sound/pci/intel8x0.c @@ -178,6 +178,8 @@ DEFINE_REGSET(SP, 0x60); /* SPDIF out */ #define ICH_SAMPLE_CAP 0x00c00000 /* ICH4: sample capability bits (RO) */ #define ICH_SAMPLE_16_20 0x00400000 /* ICH4: 16- and 20-bit samples */ #define ICH_MULTICHAN_CAP 0x00300000 /* ICH4: multi-channel capability bits (RO) */ +#define ICH_SIS_TRI 0x00080000 /* SIS: tertiary resume irq */ +#define ICH_SIS_TCR 0x00040000 /* SIS: tertiary codec ready */ #define ICH_MD3 0x00020000 /* modem power down semaphore */ #define ICH_AD3 0x00010000 /* audio power down semaphore */ #define ICH_RCS 0x00008000 /* read completion status */ @@ -398,6 +400,10 @@ struct intel8x0 { struct snd_ac97_bus *ac97_bus; struct snd_ac97 *ac97[3]; unsigned int ac97_sdin[3]; + unsigned int max_codecs, ncodecs; + unsigned int *codec_bit; + unsigned int codec_isr_bits; + unsigned int codec_ready_bits; spinlock_t reg_lock; @@ -516,18 +522,6 @@ static void iaputword(struct intel8x0 *chip, u32 offset, u16 val) * access to AC97 codec via normal i/o (for ICH and SIS7012) */ -/* return the GLOB_STA bit for the corresponding codec */ -static unsigned int get_ich_codec_bit(struct intel8x0 *chip, unsigned int codec) -{ - static unsigned int codec_bit[3] = { - ICH_PCR, ICH_SCR, ICH_TCR - }; - snd_assert(codec < 3, return ICH_PCR); - if (chip->device_type == DEVICE_INTEL_ICH4) - codec = chip->ac97_sdin[codec]; - return codec_bit[codec]; -} - static int snd_intel8x0_codec_semaphore(struct intel8x0 *chip, unsigned int codec) { int time; @@ -537,9 +531,9 @@ static int snd_intel8x0_codec_semaphore(struct intel8x0 *chip, unsigned int code if (chip->in_sdin_init) { /* we don't know the ready bit assignment at the moment */ /* so we check any */ - codec = ICH_PCR | ICH_SCR | ICH_TCR; + codec = chip->codec_isr_bits; } else { - codec = get_ich_codec_bit(chip, codec); + codec = chip->codec_bit[chip->ac97_sdin[codec]]; } /* codec ready ? */ @@ -596,7 +590,7 @@ static unsigned short snd_intel8x0_codec_read(struct snd_ac97 *ac97, if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) { /* reset RCS and preserve other R/WC bits */ iputdword(chip, ICHREG(GLOB_STA), tmp & - ~(ICH_SRI|ICH_PRI|ICH_TRI|ICH_GSCI)); + ~(chip->codec_ready_bits | ICH_GSCI)); if (! chip->in_ac97_init) snd_printk(KERN_ERR "codec_read %d: read timeout for register 0x%x\n", ac97->num, reg); res = 0xffff; @@ -605,7 +599,8 @@ static unsigned short snd_intel8x0_codec_read(struct snd_ac97 *ac97, return res; } -static void snd_intel8x0_codec_read_test(struct intel8x0 *chip, unsigned int codec) +static void __devinit snd_intel8x0_codec_read_test(struct intel8x0 *chip, + unsigned int codec) { unsigned int tmp; @@ -614,7 +609,7 @@ static void snd_intel8x0_codec_read_test(struct intel8x0 *chip, unsigned int cod if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) { /* reset RCS and preserve other R/WC bits */ iputdword(chip, ICHREG(GLOB_STA), tmp & - ~(ICH_SRI|ICH_PRI|ICH_TRI|ICH_GSCI)); + ~(chip->codec_ready_bits | ICH_GSCI)); } } } @@ -2078,23 +2073,24 @@ static int __devinit snd_intel8x0_mixer(struct intel8x0 *chip, int ac97_clock, if (chip->device_type != DEVICE_ALI) { glob_sta = igetdword(chip, ICHREG(GLOB_STA)); ops = &standard_bus_ops; - if (chip->device_type == DEVICE_INTEL_ICH4) { - codecs = 0; - if (glob_sta & ICH_PCR) - codecs++; - if (glob_sta & ICH_SCR) - codecs++; - if (glob_sta & ICH_TCR) - codecs++; - chip->in_sdin_init = 1; - for (i = 0; i < codecs; i++) { - snd_intel8x0_codec_read_test(chip, i); - chip->ac97_sdin[i] = igetbyte(chip, ICHREG(SDM)) & ICH_LDI_MASK; - } - chip->in_sdin_init = 0; - } else { - codecs = glob_sta & ICH_SCR ? 2 : 1; + chip->in_sdin_init = 1; + codecs = 0; + for (i = 0; i < chip->max_codecs; i++) { + if (! (glob_sta & chip->codec_bit[i])) + continue; + if (chip->device_type == DEVICE_INTEL_ICH4) { + snd_intel8x0_codec_read_test(chip, codecs); + chip->ac97_sdin[codecs] = + igetbyte(chip, ICHREG(SDM)) & ICH_LDI_MASK; + snd_assert(chip->ac97_sdin[codecs] < 3, + chip->ac97_sdin[codecs] = 0); + } else + chip->ac97_sdin[codecs] = i; + codecs++; } + chip->in_sdin_init = 0; + if (! codecs) + codecs = 1; } else { ops = &ali_bus_ops; codecs = 1; @@ -2120,6 +2116,7 @@ static int __devinit snd_intel8x0_mixer(struct intel8x0 *chip, int ac97_clock, else pbus->dra = 1; chip->ac97_bus = pbus; + chip->ncodecs = codecs; ac97.pci = chip->pci; for (i = 0; i < codecs; i++) { @@ -2264,7 +2261,7 @@ static int snd_intel8x0_ich_chip_init(struct intel8x0 *chip, int probing) end_time = jiffies + HZ; do { status = igetdword(chip, ICHREG(GLOB_STA)) & - (ICH_PCR | ICH_SCR | ICH_TCR); + chip->codec_isr_bits; if (status) break; schedule_timeout_uninterruptible(1); @@ -2276,32 +2273,27 @@ static int snd_intel8x0_ich_chip_init(struct intel8x0 *chip, int probing) return -EIO; } - if (chip->device_type == DEVICE_INTEL_ICH4) - /* ICH4 can have three codecs */ - nstatus = ICH_PCR | ICH_SCR | ICH_TCR; - else - /* others up to two codecs */ - nstatus = ICH_PCR | ICH_SCR; - /* wait for other codecs ready status. */ end_time = jiffies + HZ / 4; - while (status != nstatus && time_after_eq(end_time, jiffies)) { + while (status != chip->codec_isr_bits && + time_after_eq(end_time, jiffies)) { schedule_timeout_uninterruptible(1); - status |= igetdword(chip, ICHREG(GLOB_STA)) & nstatus; + status |= igetdword(chip, ICHREG(GLOB_STA)) & + chip->codec_isr_bits; } } else { /* resume phase */ int i; status = 0; - for (i = 0; i < 3; i++) + for (i = 0; i < chip->ncodecs; i++) if (chip->ac97[i]) - status |= get_ich_codec_bit(chip, i); + status |= chip->codec_bit[chip->ac97_sdin[i]]; /* wait until all the probed codecs are ready */ end_time = jiffies + HZ; do { nstatus = igetdword(chip, ICHREG(GLOB_STA)) & - (ICH_PCR | ICH_SCR | ICH_TCR); + chip->codec_isr_bits; if (status == nstatus) break; schedule_timeout_uninterruptible(1); @@ -2447,7 +2439,7 @@ static int intel8x0_suspend(struct pci_dev *pci, pm_message_t state) } } } - for (i = 0; i < 3; i++) + for (i = 0; i < chip->ncodecs; i++) snd_ac97_suspend(chip->ac97[i]); if (chip->device_type == DEVICE_INTEL_ICH4) chip->sdm_saved = igetbyte(chip, ICHREG(SDM)); @@ -2488,7 +2480,7 @@ static int intel8x0_resume(struct pci_dev *pci) if (chip->fix_nocache) fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1); - for (i = 0; i < 3; i++) + for (i = 0; i < chip->ncodecs; i++) snd_ac97_resume(chip->ac97[i]); /* refill nocache */ @@ -2619,12 +2611,20 @@ static void snd_intel8x0_proc_read(struct snd_info_entry * entry, snd_iprintf(buffer, "Global status : 0x%08x\n", tmp); if (chip->device_type == DEVICE_INTEL_ICH4) snd_iprintf(buffer, "SDM : 0x%08x\n", igetdword(chip, ICHREG(SDM))); - snd_iprintf(buffer, "AC'97 codecs ready :%s%s%s%s\n", - tmp & ICH_PCR ? " primary" : "", - tmp & ICH_SCR ? " secondary" : "", - tmp & ICH_TCR ? " tertiary" : "", - (tmp & (ICH_PCR | ICH_SCR | ICH_TCR)) == 0 ? " none" : ""); - if (chip->device_type == DEVICE_INTEL_ICH4) + snd_iprintf(buffer, "AC'97 codecs ready :"); + if (tmp & chip->codec_isr_bits) { + int i; + static const char *codecs[3] = { + "primary", "secondary", "tertiary" + }; + for (i = 0; i < chip->max_codecs; i++) + if (tmp & chip->codec_bit[i]) + snd_iprintf(buffer, " %s", codecs[i]); + } else + snd_iprintf(buffer, " none"); + snd_iprintf(buffer, "\n"); + if (chip->device_type == DEVICE_INTEL_ICH4 || + chip->device_type == DEVICE_SIS) snd_iprintf(buffer, "AC'97 codecs SDIN : %i %i %i\n", chip->ac97_sdin[0], chip->ac97_sdin[1], @@ -2653,6 +2653,13 @@ struct ich_reg_info { unsigned int offset; }; +static unsigned int ich_codec_bits[3] = { + ICH_PCR, ICH_SCR, ICH_TCR +}; +static unsigned int sis_codec_bits[3] = { + ICH_PCR, ICH_SCR, ICH_SIS_TCR +}; + static int __devinit snd_intel8x0_create(struct snd_card *card, struct pci_dev *pci, unsigned long device_type, @@ -2835,6 +2842,29 @@ static int __devinit snd_intel8x0_create(struct snd_card *card, pci_set_master(pci); synchronize_irq(chip->irq); + switch(chip->device_type) { + case DEVICE_INTEL_ICH4: + /* ICH4 can have three codecs */ + chip->max_codecs = 3; + chip->codec_bit = ich_codec_bits; + chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_TRI; + break; + case DEVICE_SIS: + /* recent SIS7012 can have three codecs */ + chip->max_codecs = 3; + chip->codec_bit = sis_codec_bits; + chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_SIS_TRI; + break; + default: + /* others up to two codecs */ + chip->max_codecs = 2; + chip->codec_bit = ich_codec_bits; + chip->codec_ready_bits = ICH_PRI | ICH_SRI; + break; + } + for (i = 0; i < chip->max_codecs; i++) + chip->codec_isr_bits |= chip->codec_bit[i]; + if ((err = snd_intel8x0_chip_init(chip, 1)) < 0) { snd_intel8x0_free(chip); return err;