#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/dma-mapping.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/slab.h>
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
static char *model[SNDRV_CARDS];
static int position_fix[SNDRV_CARDS];
+static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
static int single_cmd;
static int enable_msi;
MODULE_PARM_DESC(model, "Use the given board model.");
module_param_array(position_fix, int, NULL, 0444);
MODULE_PARM_DESC(position_fix, "Fix DMA pointer "
- "(0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size).");
+ "(0 = auto, 1 = none, 2 = POSBUF).");
+module_param_array(bdl_pos_adj, int, NULL, 0644);
+MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset.");
module_param_array(probe_mask, int, NULL, 0444);
MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
module_param(single_cmd, bool, 0444);
/* max number of SDs */
/* ICH, ATI and VIA have 4 playback and 4 capture */
-#define ICH6_CAPTURE_INDEX 0
#define ICH6_NUM_CAPTURE 4
-#define ICH6_PLAYBACK_INDEX 4
#define ICH6_NUM_PLAYBACK 4
/* ULI has 6 playback and 5 capture */
-#define ULI_CAPTURE_INDEX 0
#define ULI_NUM_CAPTURE 5
-#define ULI_PLAYBACK_INDEX 5
#define ULI_NUM_PLAYBACK 6
/* ATI HDMI has 1 playback and 0 capture */
-#define ATIHDMI_CAPTURE_INDEX 0
#define ATIHDMI_NUM_CAPTURE 0
-#define ATIHDMI_PLAYBACK_INDEX 0
#define ATIHDMI_NUM_PLAYBACK 1
+/* TERA has 4 playback and 3 capture */
+#define TERA_NUM_CAPTURE 3
+#define TERA_NUM_PLAYBACK 4
+
/* this number is statically defined for simplicity */
#define MAX_AZX_DEV 16
/* max number of fragments - we may use more if allocating more pages for BDL */
-#define BDL_SIZE PAGE_ALIGN(8192)
-#define AZX_MAX_FRAG (BDL_SIZE / (MAX_AZX_DEV * 16))
+#define BDL_SIZE 4096
+#define AZX_MAX_BDL_ENTRIES (BDL_SIZE / 16)
+#define AZX_MAX_FRAG 32
/* max buffer size - no h/w limit, you can increase as you like */
#define AZX_MAX_BUF_SIZE (1024*1024*1024)
/* max number of PCM devics per card */
/* SD_CTL bits */
#define SD_CTL_STREAM_RESET 0x01 /* stream reset bit */
#define SD_CTL_DMA_START 0x02 /* stream DMA start bit */
+#define SD_CTL_STRIPE (3 << 16) /* stripe control */
+#define SD_CTL_TRAFFIC_PRIO (1 << 18) /* traffic priority */
+#define SD_CTL_DIR (1 << 19) /* bi-directional stream */
#define SD_CTL_STREAM_TAG_MASK (0xf << 20)
#define SD_CTL_STREAM_TAG_SHIFT 20
/* position fix mode */
enum {
POS_FIX_AUTO,
- POS_FIX_NONE,
+ POS_FIX_LPIB,
POS_FIX_POSBUF,
- POS_FIX_FIFO,
};
/* Defines for ATI HD Audio support in SB450 south bridge */
*/
struct azx_dev {
- u32 *bdl; /* virtual address of the BDL */
- dma_addr_t bdl_addr; /* physical address of the BDL */
+ struct snd_dma_buffer bdl; /* BDL buffer */
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 period_bytes; /* size of the period in bytes */
unsigned int frags; /* number for period in the play buffer */
unsigned int fifo_size; /* FIFO size */
*/
unsigned char stream_tag; /* assigned stream */
unsigned char index; /* stream index */
- /* for sanity check of position buffer */
- unsigned int period_intr;
unsigned int opened :1;
unsigned int running :1;
+ unsigned int irq_pending :1;
+ unsigned int irq_ignore :1;
};
/* CORB/RIRB */
struct azx {
struct snd_card *card;
struct pci_dev *pci;
+ int dev_index;
/* chip type specific */
int driver_type;
struct azx_rb corb;
struct azx_rb rirb;
- /* BDL, CORB/RIRB and position buffers */
- struct snd_dma_buffer bdl;
+ /* CORB/RIRB and position buffers */
struct snd_dma_buffer rb;
struct snd_dma_buffer posbuf;
unsigned int single_cmd :1;
unsigned int polling_mode :1;
unsigned int msi :1;
+ unsigned int irq_pending_warned :1;
/* for debugging */
unsigned int last_cmd; /* last issued command (to sync) */
+
+ /* for pending irqs */
+ struct work_struct irq_pending_work;
};
/* driver types */
AZX_DRIVER_SIS,
AZX_DRIVER_ULI,
AZX_DRIVER_NVIDIA,
+ AZX_DRIVER_TERA,
};
static char *driver_short_names[] __devinitdata = {
[AZX_DRIVER_SIS] = "HDA SIS966",
[AZX_DRIVER_ULI] = "HDA ULI M5461",
[AZX_DRIVER_NVIDIA] = "HDA NVidia",
+ [AZX_DRIVER_TERA] = "HDA Teradici",
};
/*
/* for pcm support */
#define get_azx_dev(substream) (substream->runtime->private_data)
-/* Get the upper 32bit of the given dma_addr_t
- * Compiler should optimize and eliminate the code if dma_addr_t is 32bit
- */
-#define upper_32bit(addr) (sizeof(addr) > 4 ? (u32)((addr) >> 32) : (u32)0)
-
static int azx_acquire_irq(struct azx *chip, int do_disconnect);
/*
chip->corb.addr = chip->rb.addr;
chip->corb.buf = (u32 *)chip->rb.area;
azx_writel(chip, CORBLBASE, (u32)chip->corb.addr);
- azx_writel(chip, CORBUBASE, upper_32bit(chip->corb.addr));
+ azx_writel(chip, CORBUBASE, upper_32_bits(chip->corb.addr));
/* set the corb size to 256 entries (ULI requires explicitly) */
azx_writeb(chip, CORBSIZE, 0x02);
chip->rirb.addr = chip->rb.addr + 2048;
chip->rirb.buf = (u32 *)(chip->rb.area + 2048);
azx_writel(chip, RIRBLBASE, (u32)chip->rirb.addr);
- azx_writel(chip, RIRBUBASE, upper_32bit(chip->rirb.addr));
+ azx_writel(chip, RIRBUBASE, upper_32_bits(chip->rirb.addr));
/* set the rirb size to 256 entries (ULI requires explicitly) */
azx_writeb(chip, RIRBSIZE, 0x02);
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.cmds--;
chip->rirb.res = res;
+ smp_wmb();
+ chip->rirb.cmds--;
}
}
}
azx_update_rirb(chip);
spin_unlock_irq(&chip->reg_lock);
}
- if (!chip->rirb.cmds)
+ if (!chip->rirb.cmds) {
+ smp_rmb();
return chip->rirb.res; /* the last value */
+ }
if (time_after(jiffies, timeout))
break;
if (codec->bus->needs_damn_long_delay)
/* program the position buffer */
azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr);
- azx_writel(chip, DPUBASE, upper_32bit(chip->posbuf.addr));
+ azx_writel(chip, DPUBASE, upper_32_bits(chip->posbuf.addr));
chip->initialized = 1;
}
}
+static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
+
/*
* interrupt handler
*/
azx_dev = &chip->azx_dev[i];
if (status & azx_dev->sd_int_sta_mask) {
azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
- if (azx_dev->substream && azx_dev->running) {
- azx_dev->period_intr++;
+ if (!azx_dev->substream || !azx_dev->running)
+ continue;
+ /* ignore the first dummy IRQ (due to pos_adj) */
+ if (azx_dev->irq_ignore) {
+ azx_dev->irq_ignore = 0;
+ continue;
+ }
+ /* check whether this IRQ is really acceptable */
+ if (azx_position_ok(chip, azx_dev)) {
+ azx_dev->irq_pending = 0;
spin_unlock(&chip->reg_lock);
snd_pcm_period_elapsed(azx_dev->substream);
spin_lock(&chip->reg_lock);
+ } else {
+ /* bogus IRQ, process it later */
+ azx_dev->irq_pending = 1;
+ schedule_work(&chip->irq_pending_work);
}
}
}
}
+/*
+ * set up a BDL entry
+ */
+static int setup_bdle(struct snd_pcm_substream *substream,
+ struct azx_dev *azx_dev, u32 **bdlp,
+ int ofs, int size, int with_ioc)
+{
+ struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream);
+ u32 *bdl = *bdlp;
+
+ while (size > 0) {
+ dma_addr_t addr;
+ int chunk;
+
+ if (azx_dev->frags >= AZX_MAX_BDL_ENTRIES)
+ return -EINVAL;
+
+ addr = snd_pcm_sgbuf_get_addr(sgbuf, ofs);
+ /* program the address field of the BDL entry */
+ bdl[0] = cpu_to_le32((u32)addr);
+ bdl[1] = cpu_to_le32(upper_32_bits(addr));
+ /* program the size field of the BDL entry */
+ chunk = PAGE_SIZE - (ofs % PAGE_SIZE);
+ if (size < chunk)
+ chunk = size;
+ bdl[2] = cpu_to_le32(chunk);
+ /* program the IOC to enable interrupt
+ * only when the whole fragment is processed
+ */
+ size -= chunk;
+ bdl[3] = (size || !with_ioc) ? 0 : cpu_to_le32(0x01);
+ bdl += 4;
+ azx_dev->frags++;
+ ofs += chunk;
+ }
+ *bdlp = bdl;
+ return ofs;
+}
+
/*
* set up BDL entries
*/
-static void azx_setup_periods(struct azx_dev *azx_dev)
+static int azx_setup_periods(struct azx *chip,
+ struct snd_pcm_substream *substream,
+ struct azx_dev *azx_dev)
{
- u32 *bdl = azx_dev->bdl;
- dma_addr_t dma_addr = azx_dev->substream->runtime->dma_addr;
- int idx;
+ u32 *bdl;
+ int i, ofs, periods, period_bytes;
+ int pos_adj;
/* reset BDL address */
azx_sd_writel(azx_dev, SD_BDLPL, 0);
azx_sd_writel(azx_dev, SD_BDLPU, 0);
- /* program the initial BDL entries */
- for (idx = 0; idx < azx_dev->frags; idx++) {
- unsigned int off = idx << 2; /* 4 dword step */
- dma_addr_t addr = dma_addr + idx * azx_dev->fragsize;
- /* program the address field of the BDL entry */
- bdl[off] = cpu_to_le32((u32)addr);
- bdl[off+1] = cpu_to_le32(upper_32bit(addr));
+ period_bytes = snd_pcm_lib_period_bytes(substream);
+ azx_dev->period_bytes = period_bytes;
+ periods = azx_dev->bufsize / period_bytes;
- /* program the size field of the BDL entry */
- bdl[off+2] = cpu_to_le32(azx_dev->fragsize);
-
- /* program the IOC to enable interrupt when buffer completes */
- bdl[off+3] = cpu_to_le32(0x01);
+ /* program the initial BDL entries */
+ bdl = (u32 *)azx_dev->bdl.area;
+ ofs = 0;
+ azx_dev->frags = 0;
+ azx_dev->irq_ignore = 0;
+ pos_adj = bdl_pos_adj[chip->dev_index];
+ if (pos_adj > 0) {
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int pos_align = pos_adj;
+ pos_adj = (pos_adj * runtime->rate + 47999) / 48000;
+ if (!pos_adj)
+ pos_adj = pos_align;
+ else
+ pos_adj = ((pos_adj + pos_align - 1) / pos_align) *
+ pos_align;
+ pos_adj = frames_to_bytes(runtime, pos_adj);
+ if (pos_adj >= period_bytes) {
+ snd_printk(KERN_WARNING "Too big adjustment %d\n",
+ bdl_pos_adj[chip->dev_index]);
+ pos_adj = 0;
+ } else {
+ ofs = setup_bdle(substream, azx_dev,
+ &bdl, ofs, pos_adj, 1);
+ if (ofs < 0)
+ goto error;
+ azx_dev->irq_ignore = 1;
+ }
+ } else
+ pos_adj = 0;
+ for (i = 0; i < periods; i++) {
+ if (i == periods - 1 && pos_adj)
+ ofs = setup_bdle(substream, azx_dev, &bdl, ofs,
+ period_bytes - pos_adj, 0);
+ else
+ ofs = setup_bdle(substream, azx_dev, &bdl, ofs,
+ period_bytes, 1);
+ if (ofs < 0)
+ goto error;
}
+ return 0;
+
+ error:
+ snd_printk(KERN_ERR "Too many BDL entries: buffer=%d, period=%d\n",
+ azx_dev->bufsize, period_bytes);
+ /* reset */
+ azx_sd_writel(azx_dev, SD_BDLPL, 0);
+ azx_sd_writel(azx_dev, SD_BDLPU, 0);
+ return -EINVAL;
}
/*
/* program the BDL address */
/* lower BDL address */
- azx_sd_writel(azx_dev, SD_BDLPL, (u32)azx_dev->bdl_addr);
+ azx_sd_writel(azx_dev, SD_BDLPL, (u32)azx_dev->bdl.addr);
/* upper BDL address */
- azx_sd_writel(azx_dev, SD_BDLPU, upper_32bit(azx_dev->bdl_addr));
+ azx_sd_writel(azx_dev, SD_BDLPU, upper_32_bits(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 (chip->position_fix == POS_FIX_POSBUF ||
+ chip->position_fix == POS_FIX_AUTO) {
+ 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,
*/
static unsigned int azx_max_codecs[] __devinitdata = {
- [AZX_DRIVER_ICH] = 3,
+ [AZX_DRIVER_ICH] = 4, /* Some ICH9 boards use SD3 */
[AZX_DRIVER_SCH] = 3,
[AZX_DRIVER_ATI] = 4,
[AZX_DRIVER_ATIHDMI] = 4,
[AZX_DRIVER_SIS] = 3, /* FIXME: correct? */
[AZX_DRIVER_ULI] = 3, /* FIXME: correct? */
[AZX_DRIVER_NVIDIA] = 3, /* FIXME: correct? */
+ [AZX_DRIVER_TERA] = 1,
};
static int __devinit azx_codec_create(struct azx *chip, const char *model,
SNDRV_PCM_INFO_MMAP_VALID |
/* No full-resume yet implemented */
/* SNDRV_PCM_INFO_RESUME |*/
- SNDRV_PCM_INFO_PAUSE),
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_SYNC_START),
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_48000,
.rate_min = 48000,
spin_unlock_irqrestore(&chip->reg_lock, flags);
runtime->private_data = azx_dev;
+ snd_pcm_set_sync(substream);
mutex_unlock(&chip->open_mutex);
return 0;
}
struct snd_pcm_runtime *runtime = substream->runtime;
azx_dev->bufsize = snd_pcm_lib_buffer_bytes(substream);
- azx_dev->fragsize = snd_pcm_lib_period_bytes(substream);
- azx_dev->frags = azx_dev->bufsize / azx_dev->fragsize;
azx_dev->format_val = snd_hda_calc_stream_format(runtime->rate,
runtime->channels,
runtime->format,
return -EINVAL;
}
- 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);
+ snd_printdd("azx_pcm_prepare: bufsize=0x%x, format=0x%x\n",
+ azx_dev->bufsize, azx_dev->format_val);
+ if (azx_setup_periods(chip, substream, azx_dev) < 0)
+ return -EINVAL;
azx_setup_controller(chip, azx_dev);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
azx_dev->fifo_size = azx_sd_readw(azx_dev, SD_FIFOSIZE) + 1;
static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
- struct azx_dev *azx_dev = get_azx_dev(substream);
struct azx *chip = apcm->chip;
- int err = 0;
+ struct azx_dev *azx_dev;
+ struct snd_pcm_substream *s;
+ int start, nsync = 0, sbits = 0;
+ int nwait, timeout;
- spin_lock(&chip->reg_lock);
switch (cmd) {
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_START:
- azx_stream_start(chip, azx_dev);
- azx_dev->running = 1;
+ start = 1;
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_STOP:
- azx_stream_stop(chip, azx_dev);
- azx_dev->running = 0;
+ start = 0;
break;
default:
- err = -EINVAL;
+ return -EINVAL;
+ }
+
+ snd_pcm_group_for_each_entry(s, substream) {
+ if (s->pcm->card != substream->pcm->card)
+ continue;
+ azx_dev = get_azx_dev(s);
+ sbits |= 1 << azx_dev->index;
+ nsync++;
+ snd_pcm_trigger_done(s, substream);
+ }
+
+ spin_lock(&chip->reg_lock);
+ if (nsync > 1) {
+ /* first, set SYNC bits of corresponding streams */
+ azx_writel(chip, SYNC, azx_readl(chip, SYNC) | sbits);
+ }
+ snd_pcm_group_for_each_entry(s, substream) {
+ if (s->pcm->card != substream->pcm->card)
+ continue;
+ azx_dev = get_azx_dev(s);
+ if (start)
+ azx_stream_start(chip, azx_dev);
+ else
+ azx_stream_stop(chip, azx_dev);
+ azx_dev->running = start;
}
spin_unlock(&chip->reg_lock);
- if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH ||
- 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)
- ;
+ if (start) {
+ if (nsync == 1)
+ return 0;
+ /* wait until all FIFOs get ready */
+ for (timeout = 5000; timeout; timeout--) {
+ nwait = 0;
+ snd_pcm_group_for_each_entry(s, substream) {
+ if (s->pcm->card != substream->pcm->card)
+ continue;
+ azx_dev = get_azx_dev(s);
+ if (!(azx_sd_readb(azx_dev, SD_STS) &
+ SD_STS_FIFO_READY))
+ nwait++;
+ }
+ if (!nwait)
+ break;
+ cpu_relax();
+ }
+ } else {
+ /* wait until all RUN bits are cleared */
+ for (timeout = 5000; timeout; timeout--) {
+ nwait = 0;
+ snd_pcm_group_for_each_entry(s, substream) {
+ if (s->pcm->card != substream->pcm->card)
+ continue;
+ azx_dev = get_azx_dev(s);
+ if (azx_sd_readb(azx_dev, SD_CTL) &
+ SD_CTL_DMA_START)
+ nwait++;
+ }
+ if (!nwait)
+ break;
+ cpu_relax();
+ }
}
- return err;
+ if (nsync > 1) {
+ spin_lock(&chip->reg_lock);
+ /* reset SYNC bits */
+ azx_writel(chip, SYNC, azx_readl(chip, SYNC) & ~sbits);
+ spin_unlock(&chip->reg_lock);
+ }
+ return 0;
}
-static snd_pcm_uframes_t azx_pcm_pointer(struct snd_pcm_substream *substream)
+static unsigned int azx_get_position(struct azx *chip,
+ struct azx_dev *azx_dev)
{
- struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
- struct azx *chip = apcm->chip;
- struct azx_dev *azx_dev = get_azx_dev(substream);
unsigned int pos;
if (chip->position_fix == POS_FIX_POSBUF ||
chip->position_fix == POS_FIX_AUTO) {
/* use the position buffer */
pos = le32_to_cpu(*azx_dev->posbuf);
- if (chip->position_fix == POS_FIX_AUTO &&
- azx_dev->period_intr == 1 && !pos) {
- printk(KERN_WARNING
- "hda-intel: Invalid position buffer, "
- "using LPIB read method instead.\n");
- chip->position_fix = POS_FIX_NONE;
- goto read_lpib;
- }
} else {
- read_lpib:
/* read LPIB */
pos = azx_sd_readl(azx_dev, SD_LPIB);
- if (chip->position_fix == POS_FIX_FIFO)
- pos += azx_dev->fifo_size;
}
if (pos >= azx_dev->bufsize)
pos = 0;
- return bytes_to_frames(substream->runtime, pos);
+ return pos;
+}
+
+static snd_pcm_uframes_t azx_pcm_pointer(struct snd_pcm_substream *substream)
+{
+ struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
+ struct azx *chip = apcm->chip;
+ struct azx_dev *azx_dev = get_azx_dev(substream);
+ return bytes_to_frames(substream->runtime,
+ azx_get_position(chip, azx_dev));
+}
+
+/*
+ * Check whether the current DMA position is acceptable for updating
+ * periods. Returns non-zero if it's OK.
+ *
+ * Many HD-audio controllers appear pretty inaccurate about
+ * the update-IRQ timing. The IRQ is issued before actually the
+ * data is processed. So, we need to process it afterwords in a
+ * workqueue.
+ */
+static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
+{
+ unsigned int pos;
+
+ pos = azx_get_position(chip, azx_dev);
+ if (chip->position_fix == POS_FIX_AUTO) {
+ if (!pos) {
+ printk(KERN_WARNING
+ "hda-intel: Invalid position buffer, "
+ "using LPIB read method instead.\n");
+ chip->position_fix = POS_FIX_LPIB;
+ pos = azx_get_position(chip, azx_dev);
+ } else
+ chip->position_fix = POS_FIX_POSBUF;
+ }
+
+ if (pos % azx_dev->period_bytes > azx_dev->period_bytes / 2)
+ return 0; /* NG - it's below the period boundary */
+ return 1; /* OK, it's fine */
+}
+
+/*
+ * The work for pending PCM period updates.
+ */
+static void azx_irq_pending_work(struct work_struct *work)
+{
+ struct azx *chip = container_of(work, struct azx, irq_pending_work);
+ int i, pending;
+
+ if (!chip->irq_pending_warned) {
+ printk(KERN_WARNING
+ "hda-intel: IRQ timing workaround is activated "
+ "for card #%d. Suggest a bigger bdl_pos_adj.\n",
+ chip->card->number);
+ chip->irq_pending_warned = 1;
+ }
+
+ for (;;) {
+ pending = 0;
+ spin_lock_irq(&chip->reg_lock);
+ for (i = 0; i < chip->num_streams; i++) {
+ struct azx_dev *azx_dev = &chip->azx_dev[i];
+ if (!azx_dev->irq_pending ||
+ !azx_dev->substream ||
+ !azx_dev->running)
+ continue;
+ if (azx_position_ok(chip, azx_dev)) {
+ azx_dev->irq_pending = 0;
+ spin_unlock(&chip->reg_lock);
+ snd_pcm_period_elapsed(azx_dev->substream);
+ spin_lock(&chip->reg_lock);
+ } else
+ pending++;
+ }
+ spin_unlock_irq(&chip->reg_lock);
+ if (!pending)
+ return;
+ cond_resched();
+ }
+}
+
+/* clear irq_pending flags and assure no on-going workq */
+static void azx_clear_irq_pending(struct azx *chip)
+{
+ int i;
+
+ spin_lock_irq(&chip->reg_lock);
+ for (i = 0; i < chip->num_streams; i++)
+ chip->azx_dev[i].irq_pending = 0;
+ spin_unlock_irq(&chip->reg_lock);
+ flush_scheduled_work();
}
static struct snd_pcm_ops azx_pcm_ops = {
.prepare = azx_pcm_prepare,
.trigger = azx_pcm_trigger,
.pointer = azx_pcm_pointer,
+ .page = snd_pcm_sgbuf_ops_page,
};
static void azx_pcm_free(struct snd_pcm *pcm)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &azx_pcm_ops);
if (cpcm->stream[1].substreams)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &azx_pcm_ops);
- snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
+ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
snd_dma_pci_data(chip->pci),
1024 * 64, 1024 * 1024);
chip->pcm[cpcm->device] = pcm;
* and initialize
*/
for (i = 0; i < chip->num_streams; i++) {
- unsigned int off = sizeof(u32) * (i * AZX_MAX_FRAG * 4);
struct azx_dev *azx_dev = &chip->azx_dev[i];
- azx_dev->bdl = (u32 *)(chip->bdl.area + off);
- azx_dev->bdl_addr = chip->bdl.addr + off;
azx_dev->posbuf = (u32 __iomem *)(chip->posbuf.area + i * 8);
/* offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
azx_dev->sd_addr = chip->remap_addr + (0x20 * i + 0x80);
int i;
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+ azx_clear_irq_pending(chip);
for (i = 0; i < AZX_MAX_PCMS; i++)
snd_pcm_suspend_all(chip->pcm[i]);
if (chip->initialized)
snd_hda_suspend(chip->bus, state);
azx_stop_chip(chip);
if (chip->irq >= 0) {
- synchronize_irq(chip->irq);
free_irq(chip->irq, chip);
chip->irq = -1;
}
*/
static int azx_free(struct azx *chip)
{
+ int i;
+
if (chip->initialized) {
- int i;
+ azx_clear_irq_pending(chip);
for (i = 0; i < chip->num_streams; i++)
azx_stream_stop(chip, &chip->azx_dev[i]);
azx_stop_chip(chip);
}
- if (chip->irq >= 0) {
- synchronize_irq(chip->irq);
+ if (chip->irq >= 0)
free_irq(chip->irq, (void*)chip);
- }
if (chip->msi)
pci_disable_msi(chip->pci);
if (chip->remap_addr)
iounmap(chip->remap_addr);
- if (chip->bdl.area)
- snd_dma_free_pages(&chip->bdl);
+ if (chip->azx_dev) {
+ for (i = 0; i < chip->num_streams; i++)
+ if (chip->azx_dev[i].bdl.area)
+ snd_dma_free_pages(&chip->azx_dev[i].bdl);
+ }
if (chip->rb.area)
snd_dma_free_pages(&chip->rb);
if (chip->posbuf.area)
* white/black-listing for position_fix
*/
static struct snd_pci_quirk position_fix_list[] __devinitdata = {
- SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_NONE),
- SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_NONE),
+ SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
+ SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
+ SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
{}
};
struct azx **rchip)
{
struct azx *chip;
- int err;
+ int i, err;
unsigned short gcap;
static struct snd_device_ops ops = {
.dev_free = azx_dev_free,
chip->irq = -1;
chip->driver_type = driver_type;
chip->msi = enable_msi;
+ chip->dev_index = dev;
+ INIT_WORK(&chip->irq_pending_work, azx_irq_pending_work);
chip->position_fix = check_position_fix(chip, position_fix[dev]);
check_probe_mask(chip, dev);
chip->single_cmd = single_cmd;
+ if (bdl_pos_adj[dev] < 0) {
+ switch (chip->driver_type) {
+ case AZX_DRIVER_ICH:
+ bdl_pos_adj[dev] = 1;
+ break;
+ default:
+ bdl_pos_adj[dev] = 32;
+ break;
+ }
+ }
+
#if BITS_PER_LONG != 64
/* Fix up base address on ULI M5461 */
if (chip->driver_type == AZX_DRIVER_ULI) {
gcap = azx_readw(chip, GCAP);
snd_printdd("chipset global capabilities = 0x%x\n", gcap);
- if (gcap) {
- /* read number of streams from GCAP register instead of using
- * hardcoded value
- */
- chip->playback_streams = (gcap & (0xF << 12)) >> 12;
- chip->capture_streams = (gcap & (0xF << 8)) >> 8;
- chip->playback_index_offset = chip->capture_streams;
- chip->capture_index_offset = 0;
- } else {
+ /* allow 64bit DMA address if supported by H/W */
+ if ((gcap & 0x01) && !pci_set_dma_mask(pci, DMA_64BIT_MASK))
+ pci_set_consistent_dma_mask(pci, DMA_64BIT_MASK);
+
+ /* read number of streams from GCAP register instead of using
+ * hardcoded value
+ */
+ chip->capture_streams = (gcap >> 8) & 0x0f;
+ chip->playback_streams = (gcap >> 12) & 0x0f;
+ if (!chip->playback_streams && !chip->capture_streams) {
/* gcap didn't give any info, switching to old method */
switch (chip->driver_type) {
case AZX_DRIVER_ULI:
chip->playback_streams = ULI_NUM_PLAYBACK;
chip->capture_streams = ULI_NUM_CAPTURE;
- chip->playback_index_offset = ULI_PLAYBACK_INDEX;
- chip->capture_index_offset = ULI_CAPTURE_INDEX;
break;
case AZX_DRIVER_ATIHDMI:
chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
chip->capture_streams = ATIHDMI_NUM_CAPTURE;
- chip->playback_index_offset = ATIHDMI_PLAYBACK_INDEX;
- chip->capture_index_offset = ATIHDMI_CAPTURE_INDEX;
break;
default:
chip->playback_streams = ICH6_NUM_PLAYBACK;
chip->capture_streams = ICH6_NUM_CAPTURE;
- chip->playback_index_offset = ICH6_PLAYBACK_INDEX;
- chip->capture_index_offset = ICH6_CAPTURE_INDEX;
break;
}
}
+ chip->capture_index_offset = 0;
+ chip->playback_index_offset = chip->capture_streams;
chip->num_streams = chip->playback_streams + chip->capture_streams;
chip->azx_dev = kcalloc(chip->num_streams, sizeof(*chip->azx_dev),
GFP_KERNEL);
goto errout;
}
- /* allocate memory for the BDL for each stream */
- 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;
+ for (i = 0; i < chip->num_streams; i++) {
+ /* allocate memory for the BDL for each stream */
+ err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
+ snd_dma_pci_data(chip->pci),
+ BDL_SIZE, &chip->azx_dev[i].bdl);
+ if (err < 0) {
+ snd_printk(KERN_ERR SFX "cannot allocate BDL\n");
+ goto errout;
+ }
}
/* allocate memory for the position buffer */
err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
/* PCI IDs */
static struct pci_device_id azx_ids[] = {
- { 0x8086, 0x2668, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH6 */
- { 0x8086, 0x27d8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH7 */
- { 0x8086, 0x269a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ESB2 */
- { 0x8086, 0x284b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH8 */
- { 0x8086, 0x293e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH9 */
- { 0x8086, 0x293f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH9 */
- { 0x8086, 0x3a3e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH10 */
- { 0x8086, 0x3a6e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH10 */
- { 0x8086, 0x811b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_SCH }, /* SCH*/
- { 0x1002, 0x437b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATI }, /* ATI SB450 */
- { 0x1002, 0x4383, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATI }, /* ATI SB600 */
- { 0x1002, 0x793b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RS600 HDMI */
- { 0x1002, 0x7919, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RS690 HDMI */
- { 0x1002, 0x960f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RS780 HDMI */
- { 0x1002, 0xaa00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI R600 HDMI */
- { 0x1002, 0xaa08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RV630 HDMI */
- { 0x1002, 0xaa10, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RV610 HDMI */
- { 0x1002, 0xaa18, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RV670 HDMI */
- { 0x1002, 0xaa20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RV635 HDMI */
- { 0x1002, 0xaa28, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RV620 HDMI */
- { 0x1002, 0xaa30, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RV770 HDMI */
- { 0x1106, 0x3288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_VIA }, /* VIA VT8251/VT8237A */
- { 0x1039, 0x7502, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_SIS }, /* SIS966 */
- { 0x10b9, 0x5461, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ULI }, /* ULI M5461 */
- { 0x10de, 0x026c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP51 */
- { 0x10de, 0x0371, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP55 */
- { 0x10de, 0x03e4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP61 */
- { 0x10de, 0x03f0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP61 */
- { 0x10de, 0x044a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP65 */
- { 0x10de, 0x044b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP65 */
- { 0x10de, 0x055c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP67 */
- { 0x10de, 0x055d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP67 */
- { 0x10de, 0x07fc, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP73 */
- { 0x10de, 0x07fd, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP73 */
- { 0x10de, 0x0774, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP77 */
- { 0x10de, 0x0775, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP77 */
- { 0x10de, 0x0776, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP77 */
- { 0x10de, 0x0777, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP77 */
- { 0x10de, 0x0ac0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP79 */
- { 0x10de, 0x0ac1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP79 */
- { 0x10de, 0x0ac2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP79 */
- { 0x10de, 0x0ac3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP79 */
+ /* ICH 6..10 */
+ { PCI_DEVICE(0x8086, 0x2668), .driver_data = AZX_DRIVER_ICH },
+ { PCI_DEVICE(0x8086, 0x27d8), .driver_data = AZX_DRIVER_ICH },
+ { PCI_DEVICE(0x8086, 0x269a), .driver_data = AZX_DRIVER_ICH },
+ { PCI_DEVICE(0x8086, 0x284b), .driver_data = AZX_DRIVER_ICH },
+ { PCI_DEVICE(0x8086, 0x2911), .driver_data = AZX_DRIVER_ICH },
+ { PCI_DEVICE(0x8086, 0x293e), .driver_data = AZX_DRIVER_ICH },
+ { PCI_DEVICE(0x8086, 0x293f), .driver_data = AZX_DRIVER_ICH },
+ { PCI_DEVICE(0x8086, 0x3a3e), .driver_data = AZX_DRIVER_ICH },
+ { PCI_DEVICE(0x8086, 0x3a6e), .driver_data = AZX_DRIVER_ICH },
+ /* SCH */
+ { PCI_DEVICE(0x8086, 0x811b), .driver_data = AZX_DRIVER_SCH },
+ /* ATI SB 450/600 */
+ { PCI_DEVICE(0x1002, 0x437b), .driver_data = AZX_DRIVER_ATI },
+ { PCI_DEVICE(0x1002, 0x4383), .driver_data = AZX_DRIVER_ATI },
+ /* ATI HDMI */
+ { PCI_DEVICE(0x1002, 0x793b), .driver_data = AZX_DRIVER_ATIHDMI },
+ { PCI_DEVICE(0x1002, 0x7919), .driver_data = AZX_DRIVER_ATIHDMI },
+ { PCI_DEVICE(0x1002, 0x960f), .driver_data = AZX_DRIVER_ATIHDMI },
+ { PCI_DEVICE(0x1002, 0xaa00), .driver_data = AZX_DRIVER_ATIHDMI },
+ { PCI_DEVICE(0x1002, 0xaa08), .driver_data = AZX_DRIVER_ATIHDMI },
+ { PCI_DEVICE(0x1002, 0xaa10), .driver_data = AZX_DRIVER_ATIHDMI },
+ { PCI_DEVICE(0x1002, 0xaa18), .driver_data = AZX_DRIVER_ATIHDMI },
+ { PCI_DEVICE(0x1002, 0xaa20), .driver_data = AZX_DRIVER_ATIHDMI },
+ { PCI_DEVICE(0x1002, 0xaa28), .driver_data = AZX_DRIVER_ATIHDMI },
+ { PCI_DEVICE(0x1002, 0xaa30), .driver_data = AZX_DRIVER_ATIHDMI },
+ { PCI_DEVICE(0x1002, 0xaa38), .driver_data = AZX_DRIVER_ATIHDMI },
+ { PCI_DEVICE(0x1002, 0xaa40), .driver_data = AZX_DRIVER_ATIHDMI },
+ { PCI_DEVICE(0x1002, 0xaa48), .driver_data = AZX_DRIVER_ATIHDMI },
+ /* VIA VT8251/VT8237A */
+ { PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA },
+ /* SIS966 */
+ { PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS },
+ /* ULI M5461 */
+ { PCI_DEVICE(0x10b9, 0x5461), .driver_data = AZX_DRIVER_ULI },
+ /* NVIDIA MCP */
+ { PCI_DEVICE(0x10de, 0x026c), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x0371), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x03e4), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x03f0), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x044a), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x044b), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x055c), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x055d), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x0774), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x0775), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x0776), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x0777), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x07fc), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x07fd), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x0ac0), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x0ac1), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x0ac2), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x0ac3), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x0bd4), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x0bd5), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x0bd6), .driver_data = AZX_DRIVER_NVIDIA },
+ { PCI_DEVICE(0x10de, 0x0bd7), .driver_data = AZX_DRIVER_NVIDIA },
+ /* Teradici */
+ { PCI_DEVICE(0x6549, 0x1200), .driver_data = AZX_DRIVER_TERA },
{ 0, }
};
MODULE_DEVICE_TABLE(pci, azx_ids);
projects / linux-2.6-omap-h63xx.git / blobdiff