aboutsummaryrefslogtreecommitdiff
path: root/sound/pci/hda/hda_intel.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/pci/hda/hda_intel.c')
-rw-r--r--sound/pci/hda/hda_intel.c188
1 files changed, 119 insertions, 69 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 92bc8b3fa2a..ebb442dcc02 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1,6 +1,7 @@
/*
*
- * hda_intel.c - Implementation of primary alsa driver code base for Intel HD Audio.
+ * hda_intel.c - Implementation of primary alsa driver code base
+ * for Intel HD Audio.
*
* Copyright(c) 2004 Intel Corporation. All rights reserved.
*
@@ -64,11 +65,13 @@ MODULE_PARM_DESC(id, "ID string for Intel HD audio interface.");
module_param(model, charp, 0444);
MODULE_PARM_DESC(model, "Use the given board model.");
module_param(position_fix, int, 0444);
-MODULE_PARM_DESC(position_fix, "Fix DMA pointer (0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size).");
+MODULE_PARM_DESC(position_fix, "Fix DMA pointer "
+ "(0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size).");
module_param(probe_mask, int, 0444);
MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
module_param(single_cmd, bool, 0444);
-MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs (for debugging only).");
+MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs "
+ "(for debugging only).");
module_param(enable_msi, int, 0);
MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
@@ -213,15 +216,16 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
#define SD_INT_DESC_ERR 0x10 /* descriptor error interrupt */
#define SD_INT_FIFO_ERR 0x08 /* FIFO error interrupt */
#define SD_INT_COMPLETE 0x04 /* completion interrupt */
-#define SD_INT_MASK (SD_INT_DESC_ERR|SD_INT_FIFO_ERR|SD_INT_COMPLETE)
+#define SD_INT_MASK (SD_INT_DESC_ERR|SD_INT_FIFO_ERR|\
+ SD_INT_COMPLETE)
/* SD_STS */
#define SD_STS_FIFO_READY 0x20 /* FIFO ready */
/* INTCTL and INTSTS */
-#define ICH6_INT_ALL_STREAM 0xff /* all stream interrupts */
-#define ICH6_INT_CTRL_EN 0x40000000 /* controller interrupt enable bit */
-#define ICH6_INT_GLOBAL_EN 0x80000000 /* global interrupt enable bit */
+#define ICH6_INT_ALL_STREAM 0xff /* all stream interrupts */
+#define ICH6_INT_CTRL_EN 0x40000000 /* controller interrupt enable bit */
+#define ICH6_INT_GLOBAL_EN 0x80000000 /* global interrupt enable bit */
/* GCTL unsolicited response enable bit */
#define ICH6_GCTL_UREN (1<<8)
@@ -257,22 +261,26 @@ enum {
*/
struct azx_dev {
- u32 *bdl; /* virtual address of the BDL */
- dma_addr_t bdl_addr; /* physical address of the BDL */
- u32 *posbuf; /* position buffer pointer */
+ u32 *bdl; /* virtual address of the BDL */
+ dma_addr_t bdl_addr; /* physical address of the BDL */
+ u32 *posbuf; /* position buffer pointer */
- unsigned int bufsize; /* size of the play buffer in bytes */
- unsigned int fragsize; /* size of each period in bytes */
- unsigned int frags; /* number for period in the play buffer */
- unsigned int fifo_size; /* FIFO size */
+ unsigned int bufsize; /* size of the play buffer in bytes */
+ unsigned int fragsize; /* size of each period in bytes */
+ unsigned int frags; /* number for period in the play buffer */
+ unsigned int fifo_size; /* FIFO size */
- void __iomem *sd_addr; /* stream descriptor pointer */
+ void __iomem *sd_addr; /* stream descriptor pointer */
- u32 sd_int_sta_mask; /* stream int status mask */
+ u32 sd_int_sta_mask; /* stream int status mask */
/* pcm support */
- struct snd_pcm_substream *substream; /* assigned substream, set in PCM open */
- unsigned int format_val; /* format value to be set in the controller and the codec */
+ struct snd_pcm_substream *substream; /* assigned substream,
+ * set in PCM open
+ */
+ unsigned int format_val; /* format value to be set in the
+ * controller and the codec
+ */
unsigned char stream_tag; /* assigned stream */
unsigned char index; /* stream index */
/* for sanity check of position buffer */
@@ -418,7 +426,8 @@ static int azx_alloc_cmd_io(struct azx *chip)
int err;
/* single page (at least 4096 bytes) must suffice for both ringbuffes */
- err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
+ err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
+ snd_dma_pci_data(chip->pci),
PAGE_SIZE, &chip->rb);
if (err < 0) {
snd_printk(KERN_ERR SFX "cannot allocate CORB/RIRB\n");
@@ -531,7 +540,7 @@ static unsigned int azx_rirb_get_response(struct hda_codec *codec)
azx_update_rirb(chip);
spin_unlock_irq(&chip->reg_lock);
}
- if (! chip->rirb.cmds)
+ if (!chip->rirb.cmds)
return chip->rirb.res; /* the last value */
schedule_timeout(1);
} while (time_after_eq(timeout, jiffies));
@@ -585,16 +594,19 @@ static int azx_single_send_cmd(struct hda_codec *codec, u32 val)
while (timeout--) {
/* check ICB busy bit */
- if (! (azx_readw(chip, IRS) & ICH6_IRS_BUSY)) {
+ if (!((azx_readw(chip, IRS) & ICH6_IRS_BUSY))) {
/* Clear IRV valid bit */
- azx_writew(chip, IRS, azx_readw(chip, IRS) | ICH6_IRS_VALID);
+ azx_writew(chip, IRS, azx_readw(chip, IRS) |
+ ICH6_IRS_VALID);
azx_writel(chip, IC, val);
- azx_writew(chip, IRS, azx_readw(chip, IRS) | ICH6_IRS_BUSY);
+ azx_writew(chip, IRS, azx_readw(chip, IRS) |
+ ICH6_IRS_BUSY);
return 0;
}
udelay(1);
}
- snd_printd(SFX "send_cmd timeout: IRS=0x%x, val=0x%x\n", azx_readw(chip, IRS), val);
+ snd_printd(SFX "send_cmd timeout: IRS=0x%x, val=0x%x\n",
+ azx_readw(chip, IRS), val);
return -EIO;
}
@@ -610,7 +622,8 @@ static unsigned int azx_single_get_response(struct hda_codec *codec)
return azx_readl(chip, IR);
udelay(1);
}
- snd_printd(SFX "get_response timeout: IRS=0x%x\n", azx_readw(chip, IRS));
+ snd_printd(SFX "get_response timeout: IRS=0x%x\n",
+ azx_readw(chip, IRS));
return (unsigned int)-1;
}
@@ -785,7 +798,8 @@ static void azx_init_chip(struct azx *chip)
/* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
* TCSEL == Traffic Class Select Register, which sets PCI express QOS
- * Ensuring these bits are 0 clears playback static on some HD Audio codecs
+ * Ensuring these bits are 0 clears playback static on some HD Audio
+ * codecs
*/
pci_read_config_byte (chip->pci, ICH6_PCIREG_TCSEL, &reg);
pci_write_config_byte(chip->pci, ICH6_PCIREG_TCSEL, reg & 0xf8);
@@ -808,10 +822,13 @@ static void azx_init_chip(struct azx *chip)
switch (chip->driver_type) {
case AZX_DRIVER_ATI:
/* For ATI SB450 azalia HD audio, we need to enable snoop */
- pci_read_config_byte(chip->pci, ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
+ pci_read_config_byte(chip->pci,
+ ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
&reg);
- pci_write_config_byte(chip->pci, ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
- (reg & 0xf8) | ATI_SB450_HDAUDIO_ENABLE_SNOOP);
+ pci_write_config_byte(chip->pci,
+ ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
+ (reg & 0xf8) |
+ ATI_SB450_HDAUDIO_ENABLE_SNOOP);
break;
case AZX_DRIVER_NVIDIA:
/* For NVIDIA HDA, enable snoop */
@@ -857,7 +874,7 @@ static irqreturn_t azx_interrupt(int irq, void *dev_id)
/* clear rirb int */
status = azx_readb(chip, RIRBSTS);
if (status & RIRB_INT_MASK) {
- if (! chip->single_cmd && (status & RIRB_INT_RESPONSE))
+ if (!chip->single_cmd && (status & RIRB_INT_RESPONSE))
azx_update_rirb(chip);
azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
}
@@ -911,9 +928,11 @@ static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev)
int timeout;
/* make sure the run bit is zero for SD */
- azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) & ~SD_CTL_DMA_START);
+ azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) &
+ ~SD_CTL_DMA_START);
/* reset stream */
- azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) | SD_CTL_STREAM_RESET);
+ azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) |
+ SD_CTL_STREAM_RESET);
udelay(3);
timeout = 300;
while (!((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
@@ -931,7 +950,7 @@ static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev)
/* program the stream_tag */
azx_sd_writel(azx_dev, SD_CTL,
- (azx_sd_readl(azx_dev, SD_CTL) & ~SD_CTL_STREAM_TAG_MASK) |
+ (azx_sd_readl(azx_dev, SD_CTL) & ~SD_CTL_STREAM_TAG_MASK)|
(azx_dev->stream_tag << SD_CTL_STREAM_TAG_SHIFT));
/* program the length of samples in cyclic buffer */
@@ -951,11 +970,13 @@ static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev)
azx_sd_writel(azx_dev, SD_BDLPU, upper_32bit(azx_dev->bdl_addr));
/* enable the position buffer */
- if (! (azx_readl(chip, DPLBASE) & ICH6_DPLBASE_ENABLE))
- azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr | ICH6_DPLBASE_ENABLE);
+ if (!(azx_readl(chip, DPLBASE) & ICH6_DPLBASE_ENABLE))
+ azx_writel(chip, DPLBASE,
+ (u32)chip->posbuf.addr |ICH6_DPLBASE_ENABLE);
/* set the interrupt enable bits in the descriptor control register */
- azx_sd_writel(azx_dev, SD_CTL, azx_sd_readl(azx_dev, SD_CTL) | SD_INT_MASK);
+ azx_sd_writel(azx_dev, SD_CTL,
+ azx_sd_readl(azx_dev, SD_CTL) | SD_INT_MASK);
return 0;
}
@@ -987,7 +1008,8 @@ static int __devinit azx_codec_create(struct azx *chip, const char *model)
bus_temp.ops.command = azx_send_cmd;
bus_temp.ops.get_response = azx_get_response;
- if ((err = snd_hda_bus_new(chip->card, &bus_temp, &chip->bus)) < 0)
+ err = snd_hda_bus_new(chip->card, &bus_temp, &chip->bus);
+ if (err < 0)
return err;
codecs = audio_codecs = 0;
@@ -1038,7 +1060,7 @@ static inline struct azx_dev *azx_assign_device(struct azx *chip, int stream)
nums = chip->capture_streams;
}
for (i = 0; i < nums; i++, dev++)
- if (! chip->azx_dev[dev].opened) {
+ if (!chip->azx_dev[dev].opened) {
chip->azx_dev[dev].opened = 1;
return &chip->azx_dev[dev];
}
@@ -1052,7 +1074,8 @@ static inline void azx_release_device(struct azx_dev *azx_dev)
}
static struct snd_pcm_hardware azx_pcm_hw = {
- .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
+ .info = (SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP_VALID |
/* No full-resume yet implemented */
@@ -1105,7 +1128,8 @@ static int azx_pcm_open(struct snd_pcm_substream *substream)
128);
snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
128);
- if ((err = hinfo->ops.open(hinfo, apcm->codec, substream)) < 0) {
+ err = hinfo->ops.open(hinfo, apcm->codec, substream);
+ if (err < 0) {
azx_release_device(azx_dev);
mutex_unlock(&chip->open_mutex);
return err;
@@ -1139,9 +1163,11 @@ static int azx_pcm_close(struct snd_pcm_substream *substream)
return 0;
}
-static int azx_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params)
+static int azx_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
{
- return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
+ return snd_pcm_lib_malloc_pages(substream,
+ params_buffer_bytes(hw_params));
}
static int azx_pcm_hw_free(struct snd_pcm_substream *substream)
@@ -1175,13 +1201,15 @@ static int azx_pcm_prepare(struct snd_pcm_substream *substream)
runtime->channels,
runtime->format,
hinfo->maxbps);
- if (! azx_dev->format_val) {
- snd_printk(KERN_ERR SFX "invalid format_val, rate=%d, ch=%d, format=%d\n",
+ if (!azx_dev->format_val) {
+ snd_printk(KERN_ERR SFX
+ "invalid format_val, rate=%d, ch=%d, format=%d\n",
runtime->rate, runtime->channels, runtime->format);
return -EINVAL;
}
- snd_printdd("azx_pcm_prepare: bufsize=0x%x, fragsize=0x%x, format=0x%x\n",
+ snd_printdd("azx_pcm_prepare: bufsize=0x%x, fragsize=0x%x, "
+ "format=0x%x\n",
azx_dev->bufsize, azx_dev->fragsize, azx_dev->format_val);
azx_setup_periods(azx_dev);
azx_setup_controller(chip, azx_dev);
@@ -1223,7 +1251,8 @@ static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
cmd == SNDRV_PCM_TRIGGER_SUSPEND ||
cmd == SNDRV_PCM_TRIGGER_STOP) {
int timeout = 5000;
- while (azx_sd_readb(azx_dev, SD_CTL) & SD_CTL_DMA_START && --timeout)
+ while ((azx_sd_readb(azx_dev, SD_CTL) & SD_CTL_DMA_START) &&
+ --timeout)
;
}
return err;
@@ -1241,7 +1270,7 @@ static snd_pcm_uframes_t azx_pcm_pointer(struct snd_pcm_substream *substream)
/* use the position buffer */
pos = le32_to_cpu(*azx_dev->posbuf);
if (chip->position_fix == POS_FIX_AUTO &&
- azx_dev->period_intr == 1 && ! pos) {
+ azx_dev->period_intr == 1 && !pos) {
printk(KERN_WARNING
"hda-intel: Invalid position buffer, "
"using LPIB read method instead.\n");
@@ -1292,7 +1321,8 @@ static int __devinit create_codec_pcm(struct azx *chip, struct hda_codec *codec,
snd_assert(cpcm->name, return -EINVAL);
err = snd_pcm_new(chip->card, cpcm->name, pcm_dev,
- cpcm->stream[0].substreams, cpcm->stream[1].substreams,
+ cpcm->stream[0].substreams,
+ cpcm->stream[1].substreams,
&pcm);
if (err < 0)
return err;
@@ -1327,7 +1357,8 @@ static int __devinit azx_pcm_create(struct azx *chip)
int c, err;
int pcm_dev;
- if ((err = snd_hda_build_pcms(chip->bus)) < 0)
+ err = snd_hda_build_pcms(chip->bus);
+ if (err < 0)
return err;
/* create audio PCMs */
@@ -1338,10 +1369,12 @@ static int __devinit azx_pcm_create(struct azx *chip)
if (codec->pcm_info[c].is_modem)
continue; /* create later */
if (pcm_dev >= AZX_MAX_AUDIO_PCMS) {
- snd_printk(KERN_ERR SFX "Too many audio PCMs\n");
+ snd_printk(KERN_ERR SFX
+ "Too many audio PCMs\n");
return -EINVAL;
}
- err = create_codec_pcm(chip, codec, &codec->pcm_info[c], pcm_dev);
+ err = create_codec_pcm(chip, codec,
+ &codec->pcm_info[c], pcm_dev);
if (err < 0)
return err;
pcm_dev++;
@@ -1353,13 +1386,15 @@ static int __devinit azx_pcm_create(struct azx *chip)
list_for_each(p, &chip->bus->codec_list) {
codec = list_entry(p, struct hda_codec, list);
for (c = 0; c < codec->num_pcms; c++) {
- if (! codec->pcm_info[c].is_modem)
+ if (!codec->pcm_info[c].is_modem)
continue; /* already created */
if (pcm_dev >= AZX_MAX_PCMS) {
- snd_printk(KERN_ERR SFX "Too many modem PCMs\n");
+ snd_printk(KERN_ERR SFX
+ "Too many modem PCMs\n");
return -EINVAL;
}
- err = create_codec_pcm(chip, codec, &codec->pcm_info[c], pcm_dev);
+ err = create_codec_pcm(chip, codec,
+ &codec->pcm_info[c], pcm_dev);
if (err < 0)
return err;
chip->pcm[pcm_dev]->dev_class = SNDRV_PCM_CLASS_MODEM;
@@ -1386,7 +1421,8 @@ static int __devinit azx_init_stream(struct azx *chip)
int i;
/* initialize each stream (aka device)
- * assign the starting bdl address to each stream (device) and initialize
+ * assign the starting bdl address to each stream (device)
+ * and initialize
*/
for (i = 0; i < chip->num_streams; i++) {
unsigned int off = sizeof(u32) * (i * AZX_MAX_FRAG * 4);
@@ -1650,28 +1686,35 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
break;
}
chip->num_streams = chip->playback_streams + chip->capture_streams;
- chip->azx_dev = kcalloc(chip->num_streams, sizeof(*chip->azx_dev), GFP_KERNEL);
+ chip->azx_dev = kcalloc(chip->num_streams, sizeof(*chip->azx_dev),
+ GFP_KERNEL);
if (!chip->azx_dev) {
snd_printk(KERN_ERR "cannot malloc azx_dev\n");
goto errout;
}
/* allocate memory for the BDL for each stream */
- if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
- BDL_SIZE, &chip->bdl)) < 0) {
+ err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
+ snd_dma_pci_data(chip->pci),
+ BDL_SIZE, &chip->bdl);
+ if (err < 0) {
snd_printk(KERN_ERR SFX "cannot allocate BDL\n");
goto errout;
}
/* allocate memory for the position buffer */
- if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
- chip->num_streams * 8, &chip->posbuf)) < 0) {
+ err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
+ snd_dma_pci_data(chip->pci),
+ chip->num_streams * 8, &chip->posbuf);
+ if (err < 0) {
snd_printk(KERN_ERR SFX "cannot allocate posbuf\n");
goto errout;
}
/* allocate CORB/RIRB */
- if (! chip->single_cmd)
- if ((err = azx_alloc_cmd_io(chip)) < 0)
+ if (!chip->single_cmd) {
+ err = azx_alloc_cmd_io(chip);
+ if (err < 0)
goto errout;
+ }
/* initialize streams */
azx_init_stream(chip);
@@ -1688,14 +1731,16 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
goto errout;
}
- if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) <0) {
+ err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
+ if (err <0) {
snd_printk(KERN_ERR SFX "Error creating device [card]!\n");
goto errout;
}
strcpy(card->driver, "HDA-Intel");
strcpy(card->shortname, driver_short_names[chip->driver_type]);
- sprintf(card->longname, "%s at 0x%lx irq %i", card->shortname, chip->addr, chip->irq);
+ sprintf(card->longname, "%s at 0x%lx irq %i",
+ card->shortname, chip->addr, chip->irq);
*rchip = chip;
return 0;
@@ -1705,7 +1750,8 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
return err;
}
-static int __devinit azx_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
+static int __devinit azx_probe(struct pci_dev *pci,
+ const struct pci_device_id *pci_id)
{
struct snd_card *card;
struct azx *chip;
@@ -1725,26 +1771,30 @@ static int __devinit azx_probe(struct pci_dev *pci, const struct pci_device_id *
card->private_data = chip;
/* create codec instances */
- if ((err = azx_codec_create(chip, model)) < 0) {
+ err = azx_codec_create(chip, model);
+ if (err < 0) {
snd_card_free(card);
return err;
}
/* create PCM streams */
- if ((err = azx_pcm_create(chip)) < 0) {
+ err = azx_pcm_create(chip);
+ if (err < 0) {
snd_card_free(card);
return err;
}
/* create mixer controls */
- if ((err = azx_mixer_create(chip)) < 0) {
+ err = azx_mixer_create(chip);
+ if (err < 0) {
snd_card_free(card);
return err;
}
snd_card_set_dev(card, &pci->dev);
- if ((err = snd_card_register(card)) < 0) {
+ err = snd_card_register(card);
+ if (err < 0) {
snd_card_free(card);
return err;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 14:46:06 +0000