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[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 <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2006-01-12 11:47:32 +01:00 committed by Jaroslav Kysela
parent 15f500a699
commit 84a43bd523
1 changed files with 84 additions and 54 deletions
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138
sound/pci/intel8x0.c
View File

@ -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;