ALSA: hda - Add a white-list for MSI option
[pandora-kernel.git] / sound / pci / hda / hda_intel.c
index 4e9ea70..20a66f8 100644 (file)
@@ -61,6 +61,9 @@ static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
 static int probe_only[SNDRV_CARDS];
 static int single_cmd;
 static int enable_msi;
+#ifdef CONFIG_SND_HDA_PATCH_LOADER
+static char *patch[SNDRV_CARDS];
+#endif
 
 module_param_array(index, int, NULL, 0444);
 MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
@@ -84,6 +87,10 @@ MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs "
                 "(for debugging only).");
 module_param(enable_msi, int, 0444);
 MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
+#ifdef CONFIG_SND_HDA_PATCH_LOADER
+module_param_array(patch, charp, NULL, 0444);
+MODULE_PARM_DESC(patch, "Patch file for Intel HD audio interface.");
+#endif
 
 #ifdef CONFIG_SND_HDA_POWER_SAVE
 static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
@@ -253,7 +260,7 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
 
 /* STATESTS int mask: S3,SD2,SD1,SD0 */
 #define AZX_MAX_CODECS         4
-#define STATESTS_INT_MASK      0x0f
+#define STATESTS_INT_MASK      ((1 << AZX_MAX_CODECS) - 1)
 
 /* SD_CTL bits */
 #define SD_CTL_STREAM_RESET    0x01    /* stream reset bit */
@@ -361,8 +368,8 @@ struct azx_rb {
        dma_addr_t addr;        /* physical address of CORB/RIRB buffer */
        /* for RIRB */
        unsigned short rp, wp;  /* read/write pointers */
-       int cmds;               /* number of pending requests */
-       u32 res;                /* last read value */
+       int cmds[AZX_MAX_CODECS];       /* number of pending requests */
+       u32 res[AZX_MAX_CODECS];        /* last read value */
 };
 
 struct azx {
@@ -418,7 +425,7 @@ struct azx {
        unsigned int probing :1; /* codec probing phase */
 
        /* for debugging */
-       unsigned int last_cmd;  /* last issued command (to sync) */
+       unsigned int last_cmd[AZX_MAX_CODECS];
 
        /* for pending irqs */
        struct work_struct irq_pending_work;
@@ -513,6 +520,7 @@ static int azx_alloc_cmd_io(struct azx *chip)
 
 static void azx_init_cmd_io(struct azx *chip)
 {
+       spin_lock_irq(&chip->reg_lock);
        /* CORB set up */
        chip->corb.addr = chip->rb.addr;
        chip->corb.buf = (u32 *)chip->rb.area;
@@ -531,7 +539,8 @@ static void azx_init_cmd_io(struct azx *chip)
        /* RIRB set up */
        chip->rirb.addr = chip->rb.addr + 2048;
        chip->rirb.buf = (u32 *)(chip->rb.area + 2048);
-       chip->rirb.wp = chip->rirb.rp = chip->rirb.cmds = 0;
+       chip->rirb.wp = chip->rirb.rp = 0;
+       memset(chip->rirb.cmds, 0, sizeof(chip->rirb.cmds));
        azx_writel(chip, RIRBLBASE, (u32)chip->rirb.addr);
        azx_writel(chip, RIRBUBASE, upper_32_bits(chip->rirb.addr));
 
@@ -543,30 +552,60 @@ static void azx_init_cmd_io(struct azx *chip)
        azx_writew(chip, RINTCNT, 1);
        /* enable rirb dma and response irq */
        azx_writeb(chip, RIRBCTL, ICH6_RBCTL_DMA_EN | ICH6_RBCTL_IRQ_EN);
+       spin_unlock_irq(&chip->reg_lock);
 }
 
 static void azx_free_cmd_io(struct azx *chip)
 {
+       spin_lock_irq(&chip->reg_lock);
        /* disable ringbuffer DMAs */
        azx_writeb(chip, RIRBCTL, 0);
        azx_writeb(chip, CORBCTL, 0);
+       spin_unlock_irq(&chip->reg_lock);
+}
+
+static unsigned int azx_command_addr(u32 cmd)
+{
+       unsigned int addr = cmd >> 28;
+
+       if (addr >= AZX_MAX_CODECS) {
+               snd_BUG();
+               addr = 0;
+       }
+
+       return addr;
+}
+
+static unsigned int azx_response_addr(u32 res)
+{
+       unsigned int addr = res & 0xf;
+
+       if (addr >= AZX_MAX_CODECS) {
+               snd_BUG();
+               addr = 0;
+       }
+
+       return addr;
 }
 
 /* send a command */
 static int azx_corb_send_cmd(struct hda_bus *bus, u32 val)
 {
        struct azx *chip = bus->private_data;
+       unsigned int addr = azx_command_addr(val);
        unsigned int wp;
 
+       spin_lock_irq(&chip->reg_lock);
+
        /* add command to corb */
        wp = azx_readb(chip, CORBWP);
        wp++;
        wp %= ICH6_MAX_CORB_ENTRIES;
 
-       spin_lock_irq(&chip->reg_lock);
-       chip->rirb.cmds++;
+       chip->rirb.cmds[addr]++;
        chip->corb.buf[wp] = cpu_to_le32(val);
        azx_writel(chip, CORBWP, wp);
+
        spin_unlock_irq(&chip->reg_lock);
 
        return 0;
@@ -578,13 +617,14 @@ static int azx_corb_send_cmd(struct hda_bus *bus, u32 val)
 static void azx_update_rirb(struct azx *chip)
 {
        unsigned int rp, wp;
+       unsigned int addr;
        u32 res, res_ex;
 
        wp = azx_readb(chip, RIRBWP);
        if (wp == chip->rirb.wp)
                return;
        chip->rirb.wp = wp;
-               
+
        while (chip->rirb.rp != wp) {
                chip->rirb.rp++;
                chip->rirb.rp %= ICH6_MAX_RIRB_ENTRIES;
@@ -592,18 +632,24 @@ static void azx_update_rirb(struct azx *chip)
                rp = chip->rirb.rp << 1; /* an RIRB entry is 8-bytes */
                res_ex = le32_to_cpu(chip->rirb.buf[rp + 1]);
                res = le32_to_cpu(chip->rirb.buf[rp]);
+               addr = azx_response_addr(res_ex);
                if (res_ex & ICH6_RIRB_EX_UNSOL_EV)
                        snd_hda_queue_unsol_event(chip->bus, res, res_ex);
-               else if (chip->rirb.cmds) {
-                       chip->rirb.res = res;
+               else if (chip->rirb.cmds[addr]) {
+                       chip->rirb.res[addr] = res;
                        smp_wmb();
-                       chip->rirb.cmds--;
-               }
+                       chip->rirb.cmds[addr]--;
+               } else
+                       snd_printk(KERN_ERR SFX "spurious response %#x:%#x, "
+                                  "last cmd=%#08x\n",
+                                  res, res_ex,
+                                  chip->last_cmd[addr]);
        }
 }
 
 /* receive a response */
-static unsigned int azx_rirb_get_response(struct hda_bus *bus)
+static unsigned int azx_rirb_get_response(struct hda_bus *bus,
+                                         unsigned int addr)
 {
        struct azx *chip = bus->private_data;
        unsigned long timeout;
@@ -616,10 +662,10 @@ static unsigned int azx_rirb_get_response(struct hda_bus *bus)
                        azx_update_rirb(chip);
                        spin_unlock_irq(&chip->reg_lock);
                }
-               if (!chip->rirb.cmds) {
+               if (!chip->rirb.cmds[addr]) {
                        smp_rmb();
                        bus->rirb_error = 0;
-                       return chip->rirb.res; /* the last value */
+                       return chip->rirb.res[addr]; /* the last value */
                }
                if (time_after(jiffies, timeout))
                        break;
@@ -633,7 +679,8 @@ static unsigned int azx_rirb_get_response(struct hda_bus *bus)
 
        if (chip->msi) {
                snd_printk(KERN_WARNING SFX "No response from codec, "
-                          "disabling MSI: last cmd=0x%08x\n", chip->last_cmd);
+                          "disabling MSI: last cmd=0x%08x\n",
+                          chip->last_cmd[addr]);
                free_irq(chip->irq, chip);
                chip->irq = -1;
                pci_disable_msi(chip->pci);
@@ -648,7 +695,7 @@ static unsigned int azx_rirb_get_response(struct hda_bus *bus)
        if (!chip->polling_mode) {
                snd_printk(KERN_WARNING SFX "azx_get_response timeout, "
                           "switching to polling mode: last cmd=0x%08x\n",
-                          chip->last_cmd);
+                          chip->last_cmd[addr]);
                chip->polling_mode = 1;
                goto again;
        }
@@ -672,7 +719,7 @@ static unsigned int azx_rirb_get_response(struct hda_bus *bus)
 
        snd_printk(KERN_ERR "hda_intel: azx_get_response timeout, "
                   "switching to single_cmd mode: last cmd=0x%08x\n",
-                  chip->last_cmd);
+                  chip->last_cmd[addr]);
        chip->single_cmd = 1;
        bus->response_reset = 0;
        /* re-initialize CORB/RIRB */
@@ -692,7 +739,7 @@ static unsigned int azx_rirb_get_response(struct hda_bus *bus)
  */
 
 /* receive a response */
-static int azx_single_wait_for_response(struct azx *chip)
+static int azx_single_wait_for_response(struct azx *chip, unsigned int addr)
 {
        int timeout = 50;
 
@@ -700,7 +747,7 @@ static int azx_single_wait_for_response(struct azx *chip)
                /* check IRV busy bit */
                if (azx_readw(chip, IRS) & ICH6_IRS_VALID) {
                        /* reuse rirb.res as the response return value */
-                       chip->rirb.res = azx_readl(chip, IR);
+                       chip->rirb.res[addr] = azx_readl(chip, IR);
                        return 0;
                }
                udelay(1);
@@ -708,7 +755,7 @@ static int azx_single_wait_for_response(struct azx *chip)
        if (printk_ratelimit())
                snd_printd(SFX "get_response timeout: IRS=0x%x\n",
                           azx_readw(chip, IRS));
-       chip->rirb.res = -1;
+       chip->rirb.res[addr] = -1;
        return -EIO;
 }
 
@@ -716,6 +763,7 @@ static int azx_single_wait_for_response(struct azx *chip)
 static int azx_single_send_cmd(struct hda_bus *bus, u32 val)
 {
        struct azx *chip = bus->private_data;
+       unsigned int addr = azx_command_addr(val);
        int timeout = 50;
 
        bus->rirb_error = 0;
@@ -728,7 +776,7 @@ static int azx_single_send_cmd(struct hda_bus *bus, u32 val)
                        azx_writel(chip, IC, val);
                        azx_writew(chip, IRS, azx_readw(chip, IRS) |
                                   ICH6_IRS_BUSY);
-                       return azx_single_wait_for_response(chip);
+                       return azx_single_wait_for_response(chip, addr);
                }
                udelay(1);
        }
@@ -739,10 +787,11 @@ static int azx_single_send_cmd(struct hda_bus *bus, u32 val)
 }
 
 /* receive a response */
-static unsigned int azx_single_get_response(struct hda_bus *bus)
+static unsigned int azx_single_get_response(struct hda_bus *bus,
+                                           unsigned int addr)
 {
        struct azx *chip = bus->private_data;
-       return chip->rirb.res;
+       return chip->rirb.res[addr];
 }
 
 /*
@@ -757,7 +806,7 @@ static int azx_send_cmd(struct hda_bus *bus, unsigned int val)
 {
        struct azx *chip = bus->private_data;
 
-       chip->last_cmd = val;
+       chip->last_cmd[azx_command_addr(val)] = val;
        if (chip->single_cmd)
                return azx_single_send_cmd(bus, val);
        else
@@ -765,13 +814,14 @@ static int azx_send_cmd(struct hda_bus *bus, unsigned int val)
 }
 
 /* get a response */
-static unsigned int azx_get_response(struct hda_bus *bus)
+static unsigned int azx_get_response(struct hda_bus *bus,
+                                    unsigned int addr)
 {
        struct azx *chip = bus->private_data;
        if (chip->single_cmd)
-               return azx_single_get_response(bus);
+               return azx_single_get_response(bus, addr);
        else
-               return azx_rirb_get_response(bus);
+               return azx_rirb_get_response(bus, addr);
 }
 
 #ifdef CONFIG_SND_HDA_POWER_SAVE
@@ -1243,10 +1293,12 @@ static int probe_codec(struct azx *chip, int addr)
                (AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID;
        unsigned int res;
 
+       mutex_lock(&chip->bus->cmd_mutex);
        chip->probing = 1;
        azx_send_cmd(chip->bus, cmd);
-       res = azx_get_response(chip->bus);
+       res = azx_get_response(chip->bus, addr);
        chip->probing = 0;
+       mutex_unlock(&chip->bus->cmd_mutex);
        if (res == -1)
                return -EIO;
        snd_printdd(SFX "codec #%d probed OK\n", addr);
@@ -1286,8 +1338,7 @@ static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] __devinitdata = {
        [AZX_DRIVER_TERA] = 1,
 };
 
-static int __devinit azx_codec_create(struct azx *chip, const char *model,
-                                     int no_init)
+static int __devinit azx_codec_create(struct azx *chip, const char *model)
 {
        struct hda_bus_template bus_temp;
        int c, codecs, err;
@@ -1346,7 +1397,7 @@ static int __devinit azx_codec_create(struct azx *chip, const char *model,
        for (c = 0; c < max_slots; c++) {
                if ((chip->codec_mask & (1 << c)) & chip->codec_probe_mask) {
                        struct hda_codec *codec;
-                       err = snd_hda_codec_new(chip->bus, c, !no_init, &codec);
+                       err = snd_hda_codec_new(chip->bus, c, &codec);
                        if (err < 0)
                                continue;
                        codecs++;
@@ -1356,7 +1407,16 @@ static int __devinit azx_codec_create(struct azx *chip, const char *model,
                snd_printk(KERN_ERR SFX "no codecs initialized\n");
                return -ENXIO;
        }
+       return 0;
+}
 
+/* configure each codec instance */
+static int __devinit azx_codec_configure(struct azx *chip)
+{
+       struct hda_codec *codec;
+       list_for_each_entry(codec, &chip->bus->codec_list, list) {
+               snd_hda_codec_configure(codec);
+       }
        return 0;
 }
 
@@ -1454,6 +1514,18 @@ static int azx_pcm_open(struct snd_pcm_substream *substream)
                mutex_unlock(&chip->open_mutex);
                return err;
        }
+       snd_pcm_limit_hw_rates(runtime);
+       /* sanity check */
+       if (snd_BUG_ON(!runtime->hw.channels_min) ||
+           snd_BUG_ON(!runtime->hw.channels_max) ||
+           snd_BUG_ON(!runtime->hw.formats) ||
+           snd_BUG_ON(!runtime->hw.rates)) {
+               azx_release_device(azx_dev);
+               hinfo->ops.close(hinfo, apcm->codec, substream);
+               snd_hda_power_down(apcm->codec);
+               mutex_unlock(&chip->open_mutex);
+               return -EINVAL;
+       }
        spin_lock_irqsave(&chip->reg_lock, flags);
        azx_dev->substream = substream;
        azx_dev->running = 0;
@@ -1462,7 +1534,6 @@ static int azx_pcm_open(struct snd_pcm_substream *substream)
        runtime->private_data = azx_dev;
        snd_pcm_set_sync(substream);
        mutex_unlock(&chip->open_mutex);
-
        return 0;
 }
 
@@ -2228,6 +2299,30 @@ static void __devinit check_probe_mask(struct azx *chip, int dev)
        }
 }
 
+/*
+ * white-list for enable_msi
+ */
+static struct snd_pci_quirk msi_white_list[] __devinitdata = {
+       SND_PCI_QUIRK(0x103c, 0x3607, "HP Compa CQ40", 1),
+       {}
+};
+
+static void __devinit check_msi(struct azx *chip)
+{
+       const struct snd_pci_quirk *q;
+
+       chip->msi = enable_msi;
+       if (chip->msi)
+               return;
+       q = snd_pci_quirk_lookup(chip->pci, msi_white_list);
+       if (q) {
+               printk(KERN_INFO
+                      "hda_intel: msi for device %04x:%04x set to %d\n",
+                      q->subvendor, q->subdevice, q->value);
+               chip->msi = q->value;
+       }
+}
+
 
 /*
  * constructor
@@ -2262,7 +2357,7 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
        chip->pci = pci;
        chip->irq = -1;
        chip->driver_type = driver_type;
-       chip->msi = enable_msi;
+       check_msi(chip);
        chip->dev_index = dev;
        INIT_WORK(&chip->irq_pending_work, azx_irq_pending_work);
 
@@ -2322,9 +2417,19 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
        gcap = azx_readw(chip, GCAP);
        snd_printdd(SFX "chipset global capabilities = 0x%x\n", gcap);
 
-       /* ATI chips seems buggy about 64bit DMA addresses */
-       if (chip->driver_type == AZX_DRIVER_ATI)
-               gcap &= ~ICH6_GCAP_64OK;
+       /* disable SB600 64bit support for safety */
+       if ((chip->driver_type == AZX_DRIVER_ATI) ||
+           (chip->driver_type == AZX_DRIVER_ATIHDMI)) {
+               struct pci_dev *p_smbus;
+               p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
+                                        PCI_DEVICE_ID_ATI_SBX00_SMBUS,
+                                        NULL);
+               if (p_smbus) {
+                       if (p_smbus->revision < 0x30)
+                               gcap &= ~ICH6_GCAP_64OK;
+                       pci_dev_put(p_smbus);
+               }
+       }
 
        /* allow 64bit DMA address if supported by H/W */
        if ((gcap & ICH6_GCAP_64OK) && !pci_set_dma_mask(pci, DMA_BIT_MASK(64)))
@@ -2460,15 +2565,32 @@ static int __devinit azx_probe(struct pci_dev *pci,
                return err;
        }
 
+       /* set this here since it's referred in snd_hda_load_patch() */
+       snd_card_set_dev(card, &pci->dev);
+
        err = azx_create(card, pci, dev, pci_id->driver_data, &chip);
        if (err < 0)
                goto out_free;
        card->private_data = chip;
 
        /* create codec instances */
-       err = azx_codec_create(chip, model[dev], probe_only[dev]);
+       err = azx_codec_create(chip, model[dev]);
        if (err < 0)
                goto out_free;
+#ifdef CONFIG_SND_HDA_PATCH_LOADER
+       if (patch[dev]) {
+               snd_printk(KERN_ERR SFX "Applying patch firmware '%s'\n",
+                          patch[dev]);
+               err = snd_hda_load_patch(chip->bus, patch[dev]);
+               if (err < 0)
+                       goto out_free;
+       }
+#endif
+       if (!probe_only[dev]) {
+               err = azx_codec_configure(chip);
+               if (err < 0)
+                       goto out_free;
+       }
 
        /* create PCM streams */
        err = snd_hda_build_pcms(chip->bus);
@@ -2480,8 +2602,6 @@ static int __devinit azx_probe(struct pci_dev *pci,
        if (err < 0)
                goto out_free;
 
-       snd_card_set_dev(card, &pci->dev);
-
        err = snd_card_register(card);
        if (err < 0)
                goto out_free;
@@ -2583,11 +2703,15 @@ static struct pci_device_id azx_ids[] = {
        /* this entry seems still valid -- i.e. without emu20kx chip */
        { PCI_DEVICE(0x1102, 0x0009), .driver_data = AZX_DRIVER_GENERIC },
 #endif
-       /* AMD Generic, PCI class code and Vendor ID for HD Audio */
+       /* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */
        { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
          .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
          .class_mask = 0xffffff,
          .driver_data = AZX_DRIVER_GENERIC },
+       { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID),
+         .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
+         .class_mask = 0xffffff,
+         .driver_data = AZX_DRIVER_GENERIC },
        { 0, }
 };
 MODULE_DEVICE_TABLE(pci, azx_ids);