#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 */
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;
u32 int_sta_mask; /* interrupt status mask */
};
-static struct pci_device_id snd_intel8x0_ids[] __devinitdata = {
+static struct pci_device_id snd_intel8x0_ids[] = {
{ 0x8086, 0x2415, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82801AA */
{ 0x8086, 0x2425, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82901AB */
{ 0x8086, 0x2445, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82801BA */
* 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;
if (chip->in_sdin_init) {
/* we don't know the ready bit assignment at the moment */
/* so we check any */
- codec = chip->codec_isr_bits;
+ codec = ICH_PCR | ICH_SCR | ICH_TCR;
} else {
- codec = chip->codec_bit[chip->ac97_sdin[codec]];
+ codec = get_ich_codec_bit(chip, codec);
}
/* codec ready ? */
if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
/* reset RCS and preserve other R/WC bits */
iputdword(chip, ICHREG(GLOB_STA), tmp &
- ~(chip->codec_ready_bits | ICH_GSCI));
+ ~(ICH_SRI|ICH_PRI|ICH_TRI|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;
return res;
}
-static void __devinit snd_intel8x0_codec_read_test(struct intel8x0 *chip,
- unsigned int codec)
+static void snd_intel8x0_codec_read_test(struct intel8x0 *chip, unsigned int codec)
{
unsigned int tmp;
if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
/* reset RCS and preserve other R/WC bits */
iputdword(chip, ICHREG(GLOB_STA), tmp &
- ~(chip->codec_ready_bits | ICH_GSCI));
+ ~(ICH_SRI|ICH_PRI|ICH_TRI|ICH_GSCI));
}
}
}
return 0;
}
-#if 0 // NYI
static int snd_intel8x0_ali_spdifin_open(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
return 0;
}
+#if 0 // NYI
static int snd_intel8x0_ali_spdifout_open(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
.pointer = snd_intel8x0_pcm_pointer,
};
-#if 0 // NYI
static struct snd_pcm_ops snd_intel8x0_ali_spdifin_ops = {
.open = snd_intel8x0_ali_spdifin_open,
.close = snd_intel8x0_ali_spdifin_close,
.pointer = snd_intel8x0_pcm_pointer,
};
+#if 0 // NYI
static struct snd_pcm_ops snd_intel8x0_ali_spdifout_ops = {
.open = snd_intel8x0_ali_spdifout_open,
.close = snd_intel8x0_ali_spdifout_close,
{
.suffix = "IEC958",
.playback_ops = &snd_intel8x0_ali_ac97spdifout_ops,
- /* .capture_ops = &snd_intel8x0_ali_spdifin_ops, */
+ .capture_ops = &snd_intel8x0_ali_spdifin_ops,
.prealloc_size = 64 * 1024,
.prealloc_max_size = 128 * 1024,
.ac97_idx = ALID_AC97SPDIFOUT,
if (chip->device_type != DEVICE_ALI) {
glob_sta = igetdword(chip, ICHREG(GLOB_STA));
ops = &standard_bus_ops;
- 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++;
+ 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 = 0;
- if (! codecs)
- codecs = 1;
} else {
ops = &ali_bus_ops;
codecs = 1;
else
pbus->dra = 1;
chip->ac97_bus = pbus;
- chip->ncodecs = codecs;
ac97.pci = chip->pci;
for (i = 0; i < codecs; i++) {
end_time = jiffies + HZ;
do {
status = igetdword(chip, ICHREG(GLOB_STA)) &
- chip->codec_isr_bits;
+ (ICH_PCR | ICH_SCR | ICH_TCR);
if (status)
break;
schedule_timeout_uninterruptible(1);
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 != chip->codec_isr_bits &&
- time_after_eq(end_time, jiffies)) {
+ while (status != nstatus && time_after_eq(end_time, jiffies)) {
schedule_timeout_uninterruptible(1);
- status |= igetdword(chip, ICHREG(GLOB_STA)) &
- chip->codec_isr_bits;
+ status |= igetdword(chip, ICHREG(GLOB_STA)) & nstatus;
}
} else {
/* resume phase */
int i;
status = 0;
- for (i = 0; i < chip->ncodecs; i++)
+ for (i = 0; i < 3; i++)
if (chip->ac97[i])
- status |= chip->codec_bit[chip->ac97_sdin[i]];
+ status |= get_ich_codec_bit(chip, i);
/* wait until all the probed codecs are ready */
end_time = jiffies + HZ;
do {
nstatus = igetdword(chip, ICHREG(GLOB_STA)) &
- chip->codec_isr_bits;
+ (ICH_PCR | ICH_SCR | ICH_TCR);
if (status == nstatus)
break;
schedule_timeout_uninterruptible(1);
static int snd_intel8x0_chip_init(struct intel8x0 *chip, int probing)
{
- unsigned int i, timeout;
+ unsigned int i;
int err;
if (chip->device_type != DEVICE_ALI) {
/* reset channels */
for (i = 0; i < chip->bdbars_count; i++)
iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
- for (i = 0; i < chip->bdbars_count; i++) {
- timeout = 100000;
- while (--timeout != 0) {
- if ((igetbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset) & ICH_RESETREGS) == 0)
- break;
- }
- if (timeout == 0)
- printk(KERN_ERR "intel8x0: reset of registers failed?\n");
- }
/* initialize Buffer Descriptor Lists */
for (i = 0; i < chip->bdbars_count; i++)
iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset,
}
}
}
- for (i = 0; i < chip->ncodecs; i++)
+ for (i = 0; i < 3; i++)
snd_ac97_suspend(chip->ac97[i]);
if (chip->device_type == DEVICE_INTEL_ICH4)
chip->sdm_saved = igetbyte(chip, ICHREG(SDM));
if (chip->fix_nocache)
fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1);
- for (i = 0; i < chip->ncodecs; i++)
+ for (i = 0; i < 3; i++)
snd_ac97_resume(chip->ac97[i]);
/* refill nocache */
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 :");
- 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 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 SDIN : %i %i %i\n",
chip->ac97_sdin[0],
chip->ac97_sdin[1],
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,
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;