fedora core 6 1.2949 + vserver 2.2.0
[linux-2.6.git] / sound / pci / intel8x0.c
index 174237f..6dc6b77 100644 (file)
@@ -66,7 +66,7 @@ MODULE_SUPPORTED_DEVICE("{{Intel,82801AA-ICH},"
 
 static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
 static char *id = SNDRV_DEFAULT_STR1;  /* ID for this card */
-static int ac97_clock = 0;
+static int ac97_clock;
 static char *ac97_quirk;
 static int buggy_semaphore;
 static int buggy_irq = -1; /* auto-check */
@@ -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));
                }
        }
 }
@@ -806,7 +801,7 @@ static inline void snd_intel8x0_update(struct intel8x0 *chip, struct ichdev *ich
                 status & (ICH_FIFOE | ICH_BCIS | ICH_LVBCI));
 }
 
-static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id)
 {
        struct intel8x0 *chip = dev_id;
        struct ichdev *ichdev;
@@ -1298,6 +1293,7 @@ static int snd_intel8x0_ali_ac97spdifout_close(struct snd_pcm_substream *substre
        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);
@@ -1313,7 +1309,6 @@ static int snd_intel8x0_ali_spdifin_close(struct snd_pcm_substream *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);
@@ -1440,6 +1435,7 @@ static struct snd_pcm_ops snd_intel8x0_ali_ac97spdifout_ops = {
        .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,
@@ -1451,7 +1447,6 @@ static struct snd_pcm_ops snd_intel8x0_ali_spdifin_ops = {
        .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,
@@ -1587,7 +1582,7 @@ static struct ich_pcm_table ali_pcms[] __devinitdata = {
        {
                .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,
@@ -1810,6 +1805,12 @@ static struct ac97_quirk ac97_quirks[] __devinitdata = {
                .name = "Dell Optiplex GX270",  /* AD1981B */
                .type = AC97_TUNE_HP_ONLY
        },
+       {
+               .subvendor = 0x1028,
+               .subdevice = 0x014e,
+               .name = "Dell D800", /* STAC9750/51 */
+               .type = AC97_TUNE_HP_ONLY
+       },
        {
                .subvendor = 0x1028,
                .subdevice = 0x0163,
@@ -1954,6 +1955,18 @@ static struct ac97_quirk ac97_quirks[] __devinitdata = {
                .name = "AMD64 Mobo",   /* ALC650 */
                .type = AC97_TUNE_HP_ONLY
        },
+       {
+               .subvendor = 0x10f1,
+               .subdevice = 0x2895,
+               .name = "Tyan Thunder K8WE",
+               .type = AC97_TUNE_HP_ONLY
+       },
+       {
+               .subvendor = 0x10f7,
+               .subdevice = 0x834c,
+               .name = "Panasonic CF-R4",
+               .type = AC97_TUNE_HP_ONLY,
+       },
        {
                .subvendor = 0x110a,
                .subdevice = 0x0056,
@@ -2078,23 +2091,24 @@ 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 +2134,7 @@ 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++) {
@@ -2242,6 +2257,16 @@ static int snd_intel8x0_ich_chip_init(struct intel8x0 *chip, int probing)
        /* ACLink on, 2 channels */
        cnt = igetdword(chip, ICHREG(GLOB_CNT));
        cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
+#ifdef CONFIG_SND_AC97_POWER_SAVE
+       /* do cold reset - the full ac97 powerdown may leave the controller
+        * in a warm state but actually it cannot communicate with the codec.
+        */
+       iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_AC97COLD);
+       cnt = igetdword(chip, ICHREG(GLOB_CNT));
+       udelay(10);
+       iputdword(chip, ICHREG(GLOB_CNT), cnt | ICH_AC97COLD);
+       msleep(1);
+#else
        /* finish cold or do warm reset */
        cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM;
        iputdword(chip, ICHREG(GLOB_CNT), cnt);
@@ -2256,6 +2281,7 @@ static int snd_intel8x0_ich_chip_init(struct intel8x0 *chip, int probing)
        return -EIO;
 
       __ok:
+#endif
        if (probing) {
                /* wait for any codec ready status.
                 * Once it becomes ready it should remain ready
@@ -2264,7 +2290,7 @@ 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 +2302,27 @@ 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);
@@ -2359,7 +2380,7 @@ static int snd_intel8x0_ali_chip_init(struct intel8x0 *chip, int probing)
 
 static int snd_intel8x0_chip_init(struct intel8x0 *chip, int probing)
 {
-       unsigned int i;
+       unsigned int i, timeout;
        int err;
        
        if (chip->device_type != DEVICE_ALI) {
@@ -2377,6 +2398,15 @@ static int snd_intel8x0_chip_init(struct intel8x0 *chip, int probing)
        /* 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,
@@ -2447,15 +2477,22 @@ 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));
 
-       if (chip->irq >= 0)
+       if (chip->irq >= 0) {
+               synchronize_irq(chip->irq);
                free_irq(chip->irq, chip);
+               chip->irq = -1;
+       }
        pci_disable_device(pci);
        pci_save_state(pci);
+       /* The call below may disable built-in speaker on some laptops
+        * after S2RAM.  So, don't touch it.
+        */
+       /* pci_set_power_state(pci, pci_choose_state(pci, state)); */
        return 0;
 }
 
@@ -2465,14 +2502,25 @@ static int intel8x0_resume(struct pci_dev *pci)
        struct intel8x0 *chip = card->private_data;
        int i;
 
+       pci_set_power_state(pci, PCI_D0);
        pci_restore_state(pci);
-       pci_enable_device(pci);
+       if (pci_enable_device(pci) < 0) {
+               printk(KERN_ERR "intel8x0: pci_enable_device failed, "
+                      "disabling device\n");
+               snd_card_disconnect(card);
+               return -EIO;
+       }
        pci_set_master(pci);
-       request_irq(pci->irq, snd_intel8x0_interrupt, SA_INTERRUPT|SA_SHIRQ,
-                   card->shortname, chip);
+       if (request_irq(pci->irq, snd_intel8x0_interrupt,
+                       IRQF_SHARED, card->shortname, chip)) {
+               printk(KERN_ERR "intel8x0: unable to grab IRQ %d, "
+                      "disabling device\n", pci->irq);
+               snd_card_disconnect(card);
+               return -EIO;
+       }
        chip->irq = pci->irq;
        synchronize_irq(chip->irq);
-       snd_intel8x0_chip_init(chip, 1);
+       snd_intel8x0_chip_init(chip, 0);
 
        /* re-initialize mixer stuff */
        if (chip->device_type == DEVICE_INTEL_ICH4) {
@@ -2488,7 +2536,7 @@ 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 */
@@ -2602,6 +2650,7 @@ static void __devinit intel8x0_measure_ac97_clock(struct intel8x0 *chip)
                /* not 48000Hz, tuning the clock.. */
                chip->ac97_bus->clock = (chip->ac97_bus->clock * 48000) / pos;
        printk(KERN_INFO "intel8x0: clocking to %d\n", chip->ac97_bus->clock);
+       snd_ac97_update_power(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 0);
 }
 
 #ifdef CONFIG_PROC_FS
@@ -2619,12 +2668,20 @@ 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],
@@ -2636,7 +2693,7 @@ static void __devinit snd_intel8x0_proc_init(struct intel8x0 * chip)
        struct snd_info_entry *entry;
 
        if (! snd_card_proc_new(chip->card, "intel8x0", &entry))
-               snd_info_set_text_ops(entry, chip, 1024, snd_intel8x0_proc_read);
+               snd_info_set_text_ops(entry, chip, snd_intel8x0_proc_read);
 }
 #else
 #define snd_intel8x0_proc_init(x)
@@ -2653,6 +2710,13 @@ 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,
@@ -2826,7 +2890,7 @@ static int __devinit snd_intel8x0_create(struct snd_card *card,
 
        /* request irq after initializaing int_sta_mask, etc */
        if (request_irq(pci->irq, snd_intel8x0_interrupt,
-                       SA_INTERRUPT|SA_SHIRQ, card->shortname, chip)) {
+                       IRQF_SHARED, card->shortname, chip)) {
                snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
                snd_intel8x0_free(chip);
                return -EBUSY;
@@ -2835,6 +2899,29 @@ 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;