]> git.karo-electronics.de Git - karo-tx-linux.git/commitdiff
ALSA: hda - Migrate hdac_stream into legacy driver
authorTakashi Iwai <tiwai@suse.de>
Tue, 14 Apr 2015 16:13:13 +0000 (18:13 +0200)
committerTakashi Iwai <tiwai@suse.de>
Thu, 16 Apr 2015 05:36:16 +0000 (07:36 +0200)
Embed hdac_stream object into azx_dev, and use a few basic helper
functions.  The most of helper codes for hdac_stream aren't still used
yet.

Also this commit disables the tracepoints temporarily due to build
problems.  It'll be enabled again later.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/hda/hda_controller.c
sound/pci/hda/hda_controller.h
sound/pci/hda/hda_intel.c
sound/pci/hda/hda_tegra.c

index aadce642aabc01f2c7e0c8c57dca3338f2a7fad4..0b85c88c75ac757d410af9ad7dafbe01f624593f 100644 (file)
 #include <sound/initval.h>
 #include "hda_controller.h"
 
-#define CREATE_TRACE_POINTS
-#include "hda_intel_trace.h"
-
 /* DSP lock helpers */
-#ifdef CONFIG_SND_HDA_DSP_LOADER
-#define dsp_lock_init(dev)     mutex_init(&(dev)->dsp_mutex)
-#define dsp_lock(dev)          mutex_lock(&(dev)->dsp_mutex)
-#define dsp_unlock(dev)                mutex_unlock(&(dev)->dsp_mutex)
-#define dsp_is_locked(dev)     ((dev)->locked)
-#else
-#define dsp_lock_init(dev)     do {} while (0)
-#define dsp_lock(dev)          do {} while (0)
-#define dsp_unlock(dev)                do {} while (0)
-#define dsp_is_locked(dev)     0
-#endif
+#define dsp_lock(dev)          snd_hdac_dsp_lock(azx_stream(dev))
+#define dsp_unlock(dev)                snd_hdac_dsp_unlock(azx_stream(dev))
+#define dsp_is_locked(dev)     snd_hdac_stream_is_locked(azx_stream(dev))
 
 /*
  * AZX stream operations.
  */
 
-/* start a stream */
-static void azx_stream_start(struct azx *chip, struct azx_dev *azx_dev)
-{
-       /*
-        * Before stream start, initialize parameter
-        */
-       azx_dev->insufficient = 1;
-
-       /* enable SIE */
-       azx_writel(chip, INTCTL,
-                  azx_readl(chip, INTCTL) | (1 << azx_dev->index));
-       /* set DMA start and interrupt mask */
-       azx_sd_writeb(chip, azx_dev, SD_CTL,
-                     azx_sd_readb(chip, azx_dev, SD_CTL) |
-                     SD_CTL_DMA_START | SD_INT_MASK);
-}
-
-/* stop DMA */
-static void azx_stream_clear(struct azx *chip, struct azx_dev *azx_dev)
-{
-       azx_sd_writeb(chip, azx_dev, SD_CTL,
-                     azx_sd_readb(chip, azx_dev, SD_CTL) &
-                     ~(SD_CTL_DMA_START | SD_INT_MASK));
-       azx_sd_writeb(chip, azx_dev, SD_STS, SD_INT_MASK); /* to be sure */
-}
-
-/* stop a stream */
-void azx_stream_stop(struct azx *chip, struct azx_dev *azx_dev)
-{
-       azx_stream_clear(chip, azx_dev);
-       /* disable SIE */
-       azx_writel(chip, INTCTL,
-                  azx_readl(chip, INTCTL) & ~(1 << azx_dev->index));
-}
-EXPORT_SYMBOL_GPL(azx_stream_stop);
-
-/* reset stream */
-static void azx_stream_reset(struct azx *chip, struct azx_dev *azx_dev)
-{
-       unsigned char val;
-       int timeout;
-
-       azx_stream_clear(chip, azx_dev);
-
-       azx_sd_writeb(chip, azx_dev, SD_CTL,
-                     azx_sd_readb(chip, azx_dev, SD_CTL) |
-                     SD_CTL_STREAM_RESET);
-       udelay(3);
-       timeout = 300;
-       while (!((val = azx_sd_readb(chip, azx_dev, SD_CTL)) &
-                SD_CTL_STREAM_RESET) && --timeout)
-               ;
-       val &= ~SD_CTL_STREAM_RESET;
-       azx_sd_writeb(chip, azx_dev, SD_CTL, val);
-       udelay(3);
-
-       timeout = 300;
-       /* waiting for hardware to report that the stream is out of reset */
-       while (((val = azx_sd_readb(chip, azx_dev, SD_CTL)) &
-               SD_CTL_STREAM_RESET) && --timeout)
-               ;
-
-       /* reset first position - may not be synced with hw at this time */
-       *azx_dev->posbuf = 0;
-}
-
 /*
  * set up the SD for streaming
  */
@@ -124,31 +47,31 @@ static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev)
 {
        unsigned int val;
        /* make sure the run bit is zero for SD */
-       azx_stream_clear(chip, azx_dev);
+       snd_hdac_stream_clear(azx_stream(azx_dev));
        /* program the stream_tag */
        val = azx_sd_readl(chip, azx_dev, SD_CTL);
        val = (val & ~SD_CTL_STREAM_TAG_MASK) |
-               (azx_dev->stream_tag << SD_CTL_STREAM_TAG_SHIFT);
+               (azx_dev->core.stream_tag << SD_CTL_STREAM_TAG_SHIFT);
        if (!azx_snoop(chip))
                val |= SD_CTL_TRAFFIC_PRIO;
        azx_sd_writel(chip, azx_dev, SD_CTL, val);
 
        /* program the length of samples in cyclic buffer */
-       azx_sd_writel(chip, azx_dev, SD_CBL, azx_dev->bufsize);
+       azx_sd_writel(chip, azx_dev, SD_CBL, azx_dev->core.bufsize);
 
        /* program the stream format */
        /* this value needs to be the same as the one programmed */
-       azx_sd_writew(chip, azx_dev, SD_FORMAT, azx_dev->format_val);
+       azx_sd_writew(chip, azx_dev, SD_FORMAT, azx_dev->core.format_val);
 
        /* program the stream LVI (last valid index) of the BDL */
-       azx_sd_writew(chip, azx_dev, SD_LVI, azx_dev->frags - 1);
+       azx_sd_writew(chip, azx_dev, SD_LVI, azx_dev->core.frags - 1);
 
        /* program the BDL address */
        /* lower BDL address */
-       azx_sd_writel(chip, azx_dev, SD_BDLPL, (u32)azx_dev->bdl.addr);
+       azx_sd_writel(chip, azx_dev, SD_BDLPL, (u32)azx_dev->core.bdl.addr);
        /* upper BDL address */
        azx_sd_writel(chip, azx_dev, SD_BDLPU,
-                     upper_32_bits(azx_dev->bdl.addr));
+                     upper_32_bits(azx_dev->core.bdl.addr));
 
        /* enable the position buffer */
        if (chip->get_position[0] != azx_get_pos_lpib ||
@@ -169,54 +92,24 @@ static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev)
 static inline struct azx_dev *
 azx_assign_device(struct azx *chip, struct snd_pcm_substream *substream)
 {
-       int dev, i, nums;
-       struct azx_dev *res = NULL;
-       /* make a non-zero unique key for the substream */
-       int key = (substream->pcm->device << 16) | (substream->number << 2) |
-               (substream->stream + 1);
-
-       if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
-               dev = chip->playback_index_offset;
-               nums = chip->playback_streams;
-       } else {
-               dev = chip->capture_index_offset;
-               nums = chip->capture_streams;
-       }
-       for (i = 0; i < nums; i++, dev++) {
-               struct azx_dev *azx_dev = &chip->azx_dev[dev];
-               dsp_lock(azx_dev);
-               if (!azx_dev->opened && !dsp_is_locked(azx_dev)) {
-                       if (azx_dev->assigned_key == key) {
-                               azx_dev->opened = 1;
-                               azx_dev->assigned_key = key;
-                               dsp_unlock(azx_dev);
-                               return azx_dev;
-                       }
-                       if (!res ||
-                           (chip->driver_caps & AZX_DCAPS_REVERSE_ASSIGN))
-                               res = azx_dev;
-               }
-               dsp_unlock(azx_dev);
-       }
-       if (res) {
-               dsp_lock(res);
-               res->opened = 1;
-               res->assigned_key = key;
-               dsp_unlock(res);
-       }
-       return res;
+       struct hdac_stream *s;
+
+       s = snd_hdac_stream_assign(azx_bus(chip), substream);
+       if (!s)
+               return NULL;
+       return stream_to_azx_dev(s);
 }
 
 /* release the assigned stream */
 static inline void azx_release_device(struct azx_dev *azx_dev)
 {
-       azx_dev->opened = 0;
+       snd_hdac_stream_release(azx_stream(azx_dev));
 }
 
 static cycle_t azx_cc_read(const struct cyclecounter *cc)
 {
-       struct azx_dev *azx_dev = container_of(cc, struct azx_dev, azx_cc);
-       struct snd_pcm_substream *substream = azx_dev->substream;
+       struct azx_dev *azx_dev = container_of(cc, struct azx_dev, core.cc);
+       struct snd_pcm_substream *substream = azx_dev->core.substream;
        struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
        struct azx *chip = apcm->chip;
 
@@ -227,8 +120,8 @@ static void azx_timecounter_init(struct snd_pcm_substream *substream,
                                bool force, cycle_t last)
 {
        struct azx_dev *azx_dev = get_azx_dev(substream);
-       struct timecounter *tc = &azx_dev->azx_tc;
-       struct cyclecounter *cc = &azx_dev->azx_cc;
+       struct timecounter *tc = &azx_dev->core.tc;
+       struct cyclecounter *cc = &azx_dev->core.cc;
        u64 nsec;
 
        cc->read = azx_cc_read;
@@ -298,7 +191,7 @@ static int setup_bdle(struct azx *chip,
                dma_addr_t addr;
                int chunk;
 
-               if (azx_dev->frags >= AZX_MAX_BDL_ENTRIES)
+               if (azx_dev->core.frags >= AZX_MAX_BDL_ENTRIES)
                        return -EINVAL;
 
                addr = snd_sgbuf_get_addr(dmab, ofs);
@@ -320,7 +213,7 @@ static int setup_bdle(struct azx *chip,
                size -= chunk;
                bdl[3] = (size || !with_ioc) ? 0 : cpu_to_le32(0x01);
                bdl += 4;
-               azx_dev->frags++;
+               azx_dev->core.frags++;
                ofs += chunk;
        }
        *bdlp = bdl;
@@ -342,17 +235,17 @@ static int azx_setup_periods(struct azx *chip,
        azx_sd_writel(chip, azx_dev, SD_BDLPL, 0);
        azx_sd_writel(chip, azx_dev, SD_BDLPU, 0);
 
-       period_bytes = azx_dev->period_bytes;
-       periods = azx_dev->bufsize / period_bytes;
+       period_bytes = azx_dev->core.period_bytes;
+       periods = azx_dev->core.bufsize / period_bytes;
 
        /* program the initial BDL entries */
-       bdl = (u32 *)azx_dev->bdl.area;
+       bdl = (u32 *)azx_dev->core.bdl.area;
        ofs = 0;
-       azx_dev->frags = 0;
+       azx_dev->core.frags = 0;
 
        if (chip->bdl_pos_adj)
                pos_adj = chip->bdl_pos_adj[chip->dev_index];
-       if (!azx_dev->no_period_wakeup && pos_adj > 0) {
+       if (!azx_dev->core.no_period_wakeup && pos_adj > 0) {
                struct snd_pcm_runtime *runtime = substream->runtime;
                int pos_align = pos_adj;
                pos_adj = (pos_adj * runtime->rate + 47999) / 48000;
@@ -385,7 +278,7 @@ static int azx_setup_periods(struct azx *chip,
                        ofs = setup_bdle(chip, snd_pcm_get_dma_buf(substream),
                                         azx_dev, &bdl, ofs,
                                         period_bytes,
-                                        !azx_dev->no_period_wakeup);
+                                        !azx_dev->core.no_period_wakeup);
                if (ofs < 0)
                        goto error;
        }
@@ -393,7 +286,7 @@ static int azx_setup_periods(struct azx *chip,
 
  error:
        dev_err(chip->card->dev, "Too many BDL entries: buffer=%d, period=%d\n",
-               azx_dev->bufsize, period_bytes);
+               azx_dev->core.bufsize, period_bytes);
        return -EINVAL;
 }
 
@@ -411,8 +304,8 @@ static int azx_pcm_close(struct snd_pcm_substream *substream)
 
        mutex_lock(&chip->open_mutex);
        spin_lock_irqsave(&chip->reg_lock, flags);
-       azx_dev->substream = NULL;
-       azx_dev->running = 0;
+       azx_dev->core.substream = NULL;
+       azx_dev->core.running = 0;
        spin_unlock_irqrestore(&chip->reg_lock, flags);
        azx_release_device(azx_dev);
        if (hinfo->ops.close)
@@ -457,9 +350,9 @@ static int azx_pcm_hw_free(struct snd_pcm_substream *substream)
                azx_sd_writel(chip, azx_dev, SD_BDLPL, 0);
                azx_sd_writel(chip, azx_dev, SD_BDLPU, 0);
                azx_sd_writel(chip, azx_dev, SD_CTL, 0);
-               azx_dev->bufsize = 0;
-               azx_dev->period_bytes = 0;
-               azx_dev->format_val = 0;
+               azx_dev->core.bufsize = 0;
+               azx_dev->core.period_bytes = 0;
+               azx_dev->core.format_val = 0;
        }
 
        snd_hda_codec_cleanup(apcm->codec, hinfo, substream);
@@ -489,7 +382,7 @@ static int azx_pcm_prepare(struct snd_pcm_substream *substream)
                goto unlock;
        }
 
-       azx_stream_reset(chip, azx_dev);
+       snd_hdac_stream_reset(azx_stream(azx_dev));
        format_val = snd_hda_calc_stream_format(apcm->codec,
                                                runtime->rate,
                                                runtime->channels,
@@ -510,14 +403,14 @@ static int azx_pcm_prepare(struct snd_pcm_substream *substream)
        dev_dbg(chip->card->dev, "azx_pcm_prepare: bufsize=0x%x, format=0x%x\n",
                bufsize, format_val);
 
-       if (bufsize != azx_dev->bufsize ||
-           period_bytes != azx_dev->period_bytes ||
-           format_val != azx_dev->format_val ||
-           runtime->no_period_wakeup != azx_dev->no_period_wakeup) {
-               azx_dev->bufsize = bufsize;
-               azx_dev->period_bytes = period_bytes;
-               azx_dev->format_val = format_val;
-               azx_dev->no_period_wakeup = runtime->no_period_wakeup;
+       if (bufsize != azx_dev->core.bufsize ||
+           period_bytes != azx_dev->core.period_bytes ||
+           format_val != azx_dev->core.format_val ||
+           runtime->no_period_wakeup != azx_dev->core.no_period_wakeup) {
+               azx_dev->core.bufsize = bufsize;
+               azx_dev->core.period_bytes = period_bytes;
+               azx_dev->core.format_val = format_val;
+               azx_dev->core.no_period_wakeup = runtime->no_period_wakeup;
                err = azx_setup_periods(chip, substream, azx_dev);
                if (err < 0)
                        goto unlock;
@@ -528,27 +421,27 @@ static int azx_pcm_prepare(struct snd_pcm_substream *substream)
         * 64 frames
         */
        if (runtime->period_size > 64)
-               azx_dev->delay_negative_threshold = -frames_to_bytes(runtime, 64);
+               azx_dev->core.delay_negative_threshold = -frames_to_bytes(runtime, 64);
        else
-               azx_dev->delay_negative_threshold = 0;
+               azx_dev->core.delay_negative_threshold = 0;
 
        /* wallclk has 24Mhz clock source */
-       azx_dev->period_wallclk = (((runtime->period_size * 24000) /
+       azx_dev->core.period_wallclk = (((runtime->period_size * 24000) /
                                                runtime->rate) * 1000);
        azx_setup_controller(chip, azx_dev);
        if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-               azx_dev->fifo_size =
+               azx_dev->core.fifo_size =
                        azx_sd_readw(chip, azx_dev, SD_FIFOSIZE) + 1;
        else
-               azx_dev->fifo_size = 0;
+               azx_dev->core.fifo_size = 0;
 
-       stream_tag = azx_dev->stream_tag;
+       stream_tag = azx_dev->core.stream_tag;
        /* CA-IBG chips need the playback stream starting from 1 */
        if ((chip->driver_caps & AZX_DCAPS_CTX_WORKAROUND) &&
            stream_tag > chip->capture_streams)
                stream_tag -= chip->capture_streams;
        err = snd_hda_codec_prepare(apcm->codec, hinfo, stream_tag,
-                                    azx_dev->format_val, substream);
+                                    azx_dev->core.format_val, substream);
 
  unlock:
        if (!err)
@@ -567,7 +460,6 @@ static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
        int nwait, timeout;
 
        azx_dev = get_azx_dev(substream);
-       trace_azx_pcm_trigger(chip, azx_dev, cmd);
 
        if (dsp_is_locked(azx_dev) || !azx_dev->prepared)
                return -EPIPE;
@@ -592,7 +484,7 @@ static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
                if (s->pcm->card != substream->pcm->card)
                        continue;
                azx_dev = get_azx_dev(s);
-               sbits |= 1 << azx_dev->index;
+               sbits |= 1 << azx_dev->core.index;
                nsync++;
                snd_pcm_trigger_done(s, substream);
        }
@@ -611,15 +503,11 @@ static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
                        continue;
                azx_dev = get_azx_dev(s);
                if (start) {
-                       azx_dev->start_wallclk = azx_readl(chip, WALLCLK);
-                       if (!rstart)
-                               azx_dev->start_wallclk -=
-                                               azx_dev->period_wallclk;
-                       azx_stream_start(chip, azx_dev);
+                       azx_dev->insufficient = 1;
+                       snd_hdac_stream_start(azx_stream(azx_dev), true);
                } else {
-                       azx_stream_stop(chip, azx_dev);
+                       snd_hdac_stream_stop(azx_stream(azx_dev));
                }
-               azx_dev->running = start;
        }
        spin_unlock(&chip->reg_lock);
        if (start) {
@@ -672,7 +560,7 @@ static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 
                        /* same start cycle for master and group */
                        azx_dev = get_azx_dev(substream);
-                       cycle_last = azx_dev->azx_tc.cycle_last;
+                       cycle_last = azx_dev->core.tc.cycle_last;
 
                        snd_pcm_group_for_each_entry(s, substream) {
                                if (s->pcm->card != substream->pcm->card)
@@ -687,20 +575,20 @@ static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 
 unsigned int azx_get_pos_lpib(struct azx *chip, struct azx_dev *azx_dev)
 {
-       return azx_sd_readl(chip, azx_dev, SD_LPIB);
+       return snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev));
 }
 EXPORT_SYMBOL_GPL(azx_get_pos_lpib);
 
 unsigned int azx_get_pos_posbuf(struct azx *chip, struct azx_dev *azx_dev)
 {
-       return le32_to_cpu(*azx_dev->posbuf);
+       return snd_hdac_stream_get_pos_posbuf(azx_stream(azx_dev));
 }
 EXPORT_SYMBOL_GPL(azx_get_pos_posbuf);
 
 unsigned int azx_get_position(struct azx *chip,
                              struct azx_dev *azx_dev)
 {
-       struct snd_pcm_substream *substream = azx_dev->substream;
+       struct snd_pcm_substream *substream = azx_dev->core.substream;
        unsigned int pos;
        int stream = substream->stream;
        int delay = 0;
@@ -710,7 +598,7 @@ unsigned int azx_get_position(struct azx *chip,
        else /* use the position buffer as default */
                pos = azx_get_pos_posbuf(chip, azx_dev);
 
-       if (pos >= azx_dev->bufsize)
+       if (pos >= azx_dev->core.bufsize)
                pos = 0;
 
        if (substream->runtime) {
@@ -725,7 +613,6 @@ unsigned int azx_get_position(struct azx *chip,
                substream->runtime->delay = delay;
        }
 
-       trace_azx_get_position(chip, azx_dev, pos, delay);
        return pos;
 }
 EXPORT_SYMBOL_GPL(azx_get_position);
@@ -752,7 +639,7 @@ static int azx_get_time_info(struct snd_pcm_substream *substream,
 
                snd_pcm_gettime(substream->runtime, system_ts);
 
-               nsec = timecounter_read(&azx_dev->azx_tc);
+               nsec = timecounter_read(&azx_dev->core.tc);
                nsec = div_u64(nsec, 3); /* can be optimized */
                if (audio_tstamp_config->report_delay)
                        nsec = azx_adjust_codec_delay(substream, nsec);
@@ -875,8 +762,8 @@ static int azx_pcm_open(struct snd_pcm_substream *substream)
        }
 
        spin_lock_irqsave(&chip->reg_lock, flags);
-       azx_dev->substream = substream;
-       azx_dev->running = 0;
+       azx_dev->core.substream = substream;
+       azx_dev->core.running = 0;
        spin_unlock_irqrestore(&chip->reg_lock, flags);
 
        runtime->private_data = azx_dev;
@@ -1370,7 +1257,14 @@ static const struct hdac_bus_ops bus_core_ops = {
 static struct azx_dev *
 azx_get_dsp_loader_dev(struct azx *chip)
 {
-       return &chip->azx_dev[chip->playback_index_offset];
+       struct hdac_bus *bus = azx_bus(chip);
+       struct hdac_stream *s;
+
+       list_for_each_entry(s, &bus->stream_list, list)
+               if (s->index == chip->playback_index_offset)
+                       return stream_to_azx_dev(s);
+
+       return NULL;
 }
 
 static int azx_load_dsp_prepare(struct hda_bus *bus, unsigned int format,
@@ -1386,14 +1280,14 @@ static int azx_load_dsp_prepare(struct hda_bus *bus, unsigned int format,
 
        dsp_lock(azx_dev);
        spin_lock_irq(&chip->reg_lock);
-       if (azx_dev->running || azx_dev->locked) {
+       if (azx_dev->core.running || azx_dev->core.locked) {
                spin_unlock_irq(&chip->reg_lock);
                err = -EBUSY;
                goto unlock;
        }
        azx_dev->prepared = 0;
        chip->saved_azx_dev = *azx_dev;
-       azx_dev->locked = 1;
+       azx_dev->core.locked = 1;
        spin_unlock_irq(&chip->reg_lock);
 
        err = chip->io_ops->dma_alloc_pages(&bus->core, SNDRV_DMA_TYPE_DEV_SG,
@@ -1401,33 +1295,33 @@ static int azx_load_dsp_prepare(struct hda_bus *bus, unsigned int format,
        if (err < 0)
                goto err_alloc;
 
-       azx_dev->bufsize = byte_size;
-       azx_dev->period_bytes = byte_size;
-       azx_dev->format_val = format;
+       azx_dev->core.bufsize = byte_size;
+       azx_dev->core.period_bytes = byte_size;
+       azx_dev->core.format_val = format;
 
-       azx_stream_reset(chip, azx_dev);
+       snd_hdac_stream_reset(azx_stream(azx_dev));
 
        /* reset BDL address */
        azx_sd_writel(chip, azx_dev, SD_BDLPL, 0);
        azx_sd_writel(chip, azx_dev, SD_BDLPU, 0);
 
-       azx_dev->frags = 0;
-       bdl = (u32 *)azx_dev->bdl.area;
+       azx_dev->core.frags = 0;
+       bdl = (u32 *)azx_dev->core.bdl.area;
        err = setup_bdle(chip, bufp, azx_dev, &bdl, 0, byte_size, 0);
        if (err < 0)
                goto error;
 
        azx_setup_controller(chip, azx_dev);
        dsp_unlock(azx_dev);
-       return azx_dev->stream_tag;
+       return azx_dev->core.stream_tag;
 
  error:
        chip->io_ops->dma_free_pages(&bus->core, bufp);
  err_alloc:
        spin_lock_irq(&chip->reg_lock);
-       if (azx_dev->opened)
+       if (azx_dev->core.opened)
                *azx_dev = chip->saved_azx_dev;
-       azx_dev->locked = 0;
+       azx_dev->core.locked = 0;
        spin_unlock_irq(&chip->reg_lock);
  unlock:
        dsp_unlock(azx_dev);
@@ -1440,10 +1334,9 @@ static void azx_load_dsp_trigger(struct hda_bus *bus, bool start)
        struct azx_dev *azx_dev = azx_get_dsp_loader_dev(chip);
 
        if (start)
-               azx_stream_start(chip, azx_dev);
+               snd_hdac_stream_start(azx_stream(azx_dev), false);
        else
-               azx_stream_stop(chip, azx_dev);
-       azx_dev->running = start;
+               snd_hdac_stream_stop(azx_stream(azx_dev));
 }
 
 static void azx_load_dsp_cleanup(struct hda_bus *bus,
@@ -1452,7 +1345,7 @@ static void azx_load_dsp_cleanup(struct hda_bus *bus,
        struct azx *chip = bus->private_data;
        struct azx_dev *azx_dev = azx_get_dsp_loader_dev(chip);
 
-       if (!dmab->area || !azx_dev->locked)
+       if (!dmab->area || !azx_dev->core.locked)
                return;
 
        dsp_lock(azx_dev);
@@ -1460,17 +1353,17 @@ static void azx_load_dsp_cleanup(struct hda_bus *bus,
        azx_sd_writel(chip, azx_dev, SD_BDLPL, 0);
        azx_sd_writel(chip, azx_dev, SD_BDLPU, 0);
        azx_sd_writel(chip, azx_dev, SD_CTL, 0);
-       azx_dev->bufsize = 0;
-       azx_dev->period_bytes = 0;
-       azx_dev->format_val = 0;
+       azx_dev->core.bufsize = 0;
+       azx_dev->core.period_bytes = 0;
+       azx_dev->core.format_val = 0;
 
        chip->io_ops->dma_free_pages(&bus->core, dmab);
        dmab->area = NULL;
 
        spin_lock_irq(&chip->reg_lock);
-       if (azx_dev->opened)
+       if (azx_dev->core.opened)
                *azx_dev = chip->saved_azx_dev;
-       azx_dev->locked = 0;
+       azx_dev->core.locked = 0;
        spin_unlock_irq(&chip->reg_lock);
        dsp_unlock(azx_dev);
 }
@@ -1478,17 +1371,18 @@ static void azx_load_dsp_cleanup(struct hda_bus *bus,
 
 int azx_alloc_stream_pages(struct azx *chip)
 {
-       int i, err;
+       struct hdac_bus *bus = azx_bus(chip);
+       struct hdac_stream *s;
+       int err;
 
-       for (i = 0; i < chip->num_streams; i++) {
-               dsp_lock_init(&chip->azx_dev[i]);
+       list_for_each_entry(s, &bus->stream_list, list) {
                /* allocate memory for the BDL for each stream */
                err = chip->io_ops->dma_alloc_pages(azx_bus(chip), SNDRV_DMA_TYPE_DEV,
-                                                BDL_SIZE,
-                                                &chip->azx_dev[i].bdl);
+                                                BDL_SIZE, &s->bdl);
                if (err < 0)
                        return -ENOMEM;
        }
+
        /* allocate memory for the position buffer */
        err = chip->io_ops->dma_alloc_pages(azx_bus(chip), SNDRV_DMA_TYPE_DEV,
                                         chip->num_streams * 8, &chip->posbuf);
@@ -1505,13 +1399,15 @@ EXPORT_SYMBOL_GPL(azx_alloc_stream_pages);
 
 void azx_free_stream_pages(struct azx *chip)
 {
-       int i;
-       if (chip->azx_dev) {
-               for (i = 0; i < chip->num_streams; i++)
-                       if (chip->azx_dev[i].bdl.area)
-                               chip->io_ops->dma_free_pages(azx_bus(chip),
-                                                            &chip->azx_dev[i].bdl);
+       struct hdac_bus *bus = azx_bus(chip);
+       struct hdac_stream *s, *next;
+
+       list_for_each_entry_safe(s, next, &bus->stream_list, list) {
+               if (s->bdl.area)
+                       chip->io_ops->dma_free_pages(azx_bus(chip), &s->bdl);
+               kfree(s);
        }
+
        if (chip->rb.area)
                chip->io_ops->dma_free_pages(azx_bus(chip), &chip->rb);
        if (chip->posbuf.area)
@@ -1607,15 +1503,12 @@ static void azx_int_enable(struct azx *chip)
 /* disable interrupts */
 static void azx_int_disable(struct azx *chip)
 {
-       int i;
+       struct hdac_bus *bus = azx_bus(chip);
+       struct hdac_stream *s;
 
        /* disable interrupts in stream descriptor */
-       for (i = 0; i < chip->num_streams; i++) {
-               struct azx_dev *azx_dev = &chip->azx_dev[i];
-               azx_sd_writeb(chip, azx_dev, SD_CTL,
-                             azx_sd_readb(chip, azx_dev, SD_CTL) &
-                                       ~SD_INT_MASK);
-       }
+       list_for_each_entry(s, &bus->stream_list, list)
+               snd_hdac_stream_updateb(s, SD_CTL, SD_INT_MASK, 0);
 
        /* disable SIE for all streams */
        azx_writeb(chip, INTCTL, 0);
@@ -1628,13 +1521,12 @@ static void azx_int_disable(struct azx *chip)
 /* clear interrupts */
 static void azx_int_clear(struct azx *chip)
 {
-       int i;
+       struct hdac_bus *bus = azx_bus(chip);
+       struct hdac_stream *s;
 
        /* clear stream status */
-       for (i = 0; i < chip->num_streams; i++) {
-               struct azx_dev *azx_dev = &chip->azx_dev[i];
-               azx_sd_writeb(chip, azx_dev, SD_STS, SD_INT_MASK);
-       }
+       list_for_each_entry(s, &bus->stream_list, list)
+               snd_hdac_stream_writeb(s, SD_STS, SD_INT_MASK);
 
        /* clear STATESTS */
        azx_writew(chip, STATESTS, STATESTS_INT_MASK);
@@ -1673,6 +1565,16 @@ void azx_init_chip(struct azx *chip, bool full_reset)
 }
 EXPORT_SYMBOL_GPL(azx_init_chip);
 
+void azx_stop_all_streams(struct azx *chip)
+{
+       struct hdac_bus *bus = azx_bus(chip);
+       struct hdac_stream *s;
+
+       list_for_each_entry(s, &bus->stream_list, list)
+               snd_hdac_stream_stop(s);
+}
+EXPORT_SYMBOL_GPL(azx_stop_all_streams);
+
 void azx_stop_chip(struct azx *chip)
 {
        if (!chip->initialized)
@@ -1696,13 +1598,26 @@ EXPORT_SYMBOL_GPL(azx_stop_chip);
 /*
  * interrupt handler
  */
+static void stream_update(struct hdac_bus *bus, struct hdac_stream *s)
+{
+       struct hda_bus *hbus = container_of(bus, struct hda_bus, core);
+       struct azx *chip = hbus->private_data;
+       struct azx_dev *azx_dev = stream_to_azx_dev(s);
+
+       /* check whether this IRQ is really acceptable */
+       if (!chip->ops->position_check ||
+           chip->ops->position_check(chip, azx_dev)) {
+               spin_unlock(&chip->reg_lock);
+               snd_pcm_period_elapsed(azx_dev->core.substream);
+               spin_lock(&chip->reg_lock);
+       }
+}
+
 irqreturn_t azx_interrupt(int irq, void *dev_id)
 {
        struct azx *chip = dev_id;
-       struct azx_dev *azx_dev;
+       struct hdac_bus *bus = azx_bus(chip);
        u32 status;
-       u8 sd_status;
-       int i;
 
 #ifdef CONFIG_PM
        if (azx_has_pm_runtime(chip))
@@ -1723,23 +1638,7 @@ irqreturn_t azx_interrupt(int irq, void *dev_id)
                return IRQ_NONE;
        }
 
-       for (i = 0; i < chip->num_streams; i++) {
-               azx_dev = &chip->azx_dev[i];
-               if (status & azx_dev->sd_int_sta_mask) {
-                       sd_status = azx_sd_readb(chip, azx_dev, SD_STS);
-                       azx_sd_writeb(chip, azx_dev, SD_STS, SD_INT_MASK);
-                       if (!azx_dev->substream || !azx_dev->running ||
-                           !(sd_status & SD_INT_COMPLETE))
-                               continue;
-                       /* check whether this IRQ is really acceptable */
-                       if (!chip->ops->position_check ||
-                           chip->ops->position_check(chip, azx_dev)) {
-                               spin_unlock(&chip->reg_lock);
-                               snd_pcm_period_elapsed(azx_dev->substream);
-                               spin_lock(&chip->reg_lock);
-                       }
-               }
-       }
+       snd_hdac_bus_handle_stream_irq(bus, status, stream_update);
 
        /* clear rirb int */
        status = azx_readb(chip, RIRBSTS);
@@ -1769,7 +1668,7 @@ static int probe_codec(struct azx *chip, int addr)
 {
        unsigned int cmd = (addr << 28) | (AC_NODE_ROOT << 20) |
                (AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID;
-       struct hdac_bus *bus = &chip->bus->core;
+       struct hdac_bus *bus = azx_bus(chip);
        int err;
        unsigned int res;
 
@@ -1927,33 +1826,32 @@ int azx_codec_configure(struct azx *chip)
 }
 EXPORT_SYMBOL_GPL(azx_codec_configure);
 
-
-static bool is_input_stream(struct azx *chip, unsigned char index)
+static int stream_direction(struct azx *chip, unsigned char index)
 {
-       return (index >= chip->capture_index_offset &&
-               index < chip->capture_index_offset + chip->capture_streams);
+       if (index >= chip->capture_index_offset &&
+           index < chip->capture_index_offset + chip->capture_streams)
+               return SNDRV_PCM_STREAM_CAPTURE;
+       return SNDRV_PCM_STREAM_PLAYBACK;
 }
 
 /* initialize SD streams */
 int azx_init_stream(struct azx *chip)
 {
        int i;
-       int in_stream_tag = 0;
-       int out_stream_tag = 0;
+       int stream_tags[2] = { 0, 0 };
 
        /* initialize each stream (aka device)
         * assign the starting bdl address to each stream (device)
         * and initialize
         */
        for (i = 0; i < chip->num_streams; i++) {
-               struct azx_dev *azx_dev = &chip->azx_dev[i];
-               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 mask: SDI0=0x01, SDI1=0x02, ... SDO3=0x80 */
-               azx_dev->sd_int_sta_mask = 1 << i;
-               azx_dev->index = i;
+               struct azx_dev *azx_dev = kzalloc(sizeof(*azx_dev), GFP_KERNEL);
+               int dir, tag;
+
+               if (!azx_dev)
+                       return -ENOMEM;
 
+               dir = stream_direction(chip, i);
                /* stream tag must be unique throughout
                 * the stream direction group,
                 * valid values 1...15
@@ -1961,12 +1859,11 @@ int azx_init_stream(struct azx *chip)
                 * AZX_DCAPS_SEPARATE_STREAM_TAG is used
                 */
                if (chip->driver_caps & AZX_DCAPS_SEPARATE_STREAM_TAG)
-                       azx_dev->stream_tag =
-                               is_input_stream(chip, i) ?
-                               ++in_stream_tag :
-                               ++out_stream_tag;
+                       tag = ++stream_tags[dir];
                else
-                       azx_dev->stream_tag = i + 1;
+                       tag = i + 1;
+               snd_hdac_stream_init(azx_bus(chip), azx_stream(azx_dev),
+                                    i, dir, tag);
        }
 
        return 0;
index d6b090daa7dc240fb97010cbec7885322471cf1f..b45568d83860023fd35951c595550099230ca851 100644 (file)
@@ -59,36 +59,10 @@ enum {
 };
 
 struct azx_dev {
-       struct snd_dma_buffer bdl; /* BDL buffer */
-       u32 *posbuf;            /* position buffer pointer */
-
-       unsigned int bufsize;   /* size of the play buffer 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 long start_wallclk;    /* start + minimum wallclk */
-       unsigned long period_wallclk;   /* wallclk for period */
-
-       void __iomem *sd_addr;  /* stream descriptor pointer */
-
-       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
-                                        */
-       unsigned char stream_tag;       /* assigned stream */
-       unsigned char index;            /* stream index */
-       int assigned_key;               /* last device# key assigned to */
-
-       unsigned int opened:1;
-       unsigned int running:1;
+       struct hdac_stream core;
+
        unsigned int irq_pending:1;
        unsigned int prepared:1;
-       unsigned int locked:1;
        /*
         * For VIA:
         *  A flag to ensure DMA position is 0
@@ -96,19 +70,11 @@ struct azx_dev {
         */
        unsigned int insufficient:1;
        unsigned int wc_marked:1;
-       unsigned int no_period_wakeup:1;
-
-       struct timecounter  azx_tc;
-       struct cyclecounter azx_cc;
-
-       int delay_negative_threshold;
-
-#ifdef CONFIG_SND_HDA_DSP_LOADER
-       /* Allows dsp load to have sole access to the playback stream. */
-       struct mutex dsp_mutex;
-#endif
 };
 
+#define azx_stream(dev)                (&(dev)->core)
+#define stream_to_azx_dev(s)   container_of(s, struct azx_dev, core)
+
 /* CORB/RIRB */
 struct azx_rb {
        u32 *buf;               /* CORB/RIRB buffer
@@ -181,9 +147,6 @@ struct azx {
        spinlock_t reg_lock;
        struct mutex open_mutex; /* Prevents concurrent open/close operations */
 
-       /* streams (x num_streams) */
-       struct azx_dev *azx_dev;
-
        /* PCM */
        struct list_head pcm_list; /* azx_pcm list */
 
@@ -253,17 +216,17 @@ struct azx {
        ((chip)->io_ops->reg_readb((chip)->remap_addr + AZX_REG_##reg))
 
 #define azx_sd_writel(chip, dev, reg, value) \
-       ((chip)->io_ops->reg_writel(value, (dev)->sd_addr + AZX_REG_##reg))
+       snd_hdac_stream_writel(&(dev)->core, reg, value)
 #define azx_sd_readl(chip, dev, reg) \
-       ((chip)->io_ops->reg_readl((dev)->sd_addr + AZX_REG_##reg))
+       snd_hdac_stream_readl(&(dev)->core, reg)
 #define azx_sd_writew(chip, dev, reg, value) \
-       ((chip)->io_ops->reg_writew(value, (dev)->sd_addr + AZX_REG_##reg))
+       snd_hdac_stream_writew(&(dev)->core, reg, value)
 #define azx_sd_readw(chip, dev, reg) \
-       ((chip)->io_ops->reg_readw((dev)->sd_addr + AZX_REG_##reg))
+       snd_hdac_stream_readw(&(dev)->core, reg)
 #define azx_sd_writeb(chip, dev, reg, value) \
-       ((chip)->io_ops->reg_writeb(value, (dev)->sd_addr + AZX_REG_##reg))
+       snd_hdac_stream_writeb(&(dev)->core, reg, value)
 #define azx_sd_readb(chip, dev, reg) \
-       ((chip)->io_ops->reg_readb((dev)->sd_addr + AZX_REG_##reg))
+       snd_hdac_stream_readb(&(dev)->core, reg)
 
 #define azx_has_pm_runtime(chip) \
        (!AZX_DCAPS_PM_RUNTIME || ((chip)->driver_caps & AZX_DCAPS_PM_RUNTIME))
@@ -278,7 +241,7 @@ unsigned int azx_get_pos_lpib(struct azx *chip, struct azx_dev *azx_dev);
 unsigned int azx_get_pos_posbuf(struct azx *chip, struct azx_dev *azx_dev);
 
 /* Stream control. */
-void azx_stream_stop(struct azx *chip, struct azx_dev *azx_dev);
+void azx_stop_all_streams(struct azx *chip);
 
 /* Allocation functions. */
 int azx_alloc_stream_pages(struct azx *chip);
index 7492d11fd8ff0d3549da3ceec7d2b63ce1f03b9b..c440ac1e34c81e83882d5f30f9b1bdd4cc3475df 100644 (file)
@@ -492,7 +492,7 @@ static void azx_init_pci(struct azx *chip)
 static int azx_get_delay_from_lpib(struct azx *chip, struct azx_dev *azx_dev,
                                   unsigned int pos)
 {
-       struct snd_pcm_substream *substream = azx_dev->substream;
+       struct snd_pcm_substream *substream = azx_dev->core.substream;
        int stream = substream->stream;
        unsigned int lpib_pos = azx_get_pos_lpib(chip, azx_dev);
        int delay;
@@ -502,16 +502,16 @@ static int azx_get_delay_from_lpib(struct azx *chip, struct azx_dev *azx_dev,
        else
                delay = lpib_pos - pos;
        if (delay < 0) {
-               if (delay >= azx_dev->delay_negative_threshold)
+               if (delay >= azx_dev->core.delay_negative_threshold)
                        delay = 0;
                else
-                       delay += azx_dev->bufsize;
+                       delay += azx_dev->core.bufsize;
        }
 
-       if (delay >= azx_dev->period_bytes) {
+       if (delay >= azx_dev->core.period_bytes) {
                dev_info(chip->card->dev,
                         "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n",
-                        delay, azx_dev->period_bytes);
+                        delay, azx_dev->core.period_bytes);
                delay = 0;
                chip->driver_caps &= ~AZX_DCAPS_COUNT_LPIB_DELAY;
                chip->get_delay[stream] = NULL;
@@ -551,13 +551,13 @@ static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev)
  */
 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
 {
-       struct snd_pcm_substream *substream = azx_dev->substream;
+       struct snd_pcm_substream *substream = azx_dev->core.substream;
        int stream = substream->stream;
        u32 wallclk;
        unsigned int pos;
 
-       wallclk = azx_readl(chip, WALLCLK) - azx_dev->start_wallclk;
-       if (wallclk < (azx_dev->period_wallclk * 2) / 3)
+       wallclk = azx_readl(chip, WALLCLK) - azx_dev->core.start_wallclk;
+       if (wallclk < (azx_dev->core.period_wallclk * 2) / 3)
                return -1;      /* bogus (too early) interrupt */
 
        if (chip->get_position[stream])
@@ -577,17 +577,17 @@ static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
                }
        }
 
-       if (pos >= azx_dev->bufsize)
+       if (pos >= azx_dev->core.bufsize)
                pos = 0;
 
-       if (WARN_ONCE(!azx_dev->period_bytes,
+       if (WARN_ONCE(!azx_dev->core.period_bytes,
                      "hda-intel: zero azx_dev->period_bytes"))
                return -1; /* this shouldn't happen! */
-       if (wallclk < (azx_dev->period_wallclk * 5) / 4 &&
-           pos % azx_dev->period_bytes > azx_dev->period_bytes / 2)
+       if (wallclk < (azx_dev->core.period_wallclk * 5) / 4 &&
+           pos % azx_dev->core.period_bytes > azx_dev->core.period_bytes / 2)
                /* NG - it's below the first next period boundary */
                return chip->bdl_pos_adj[chip->dev_index] ? 0 : -1;
-       azx_dev->start_wallclk += wallclk;
+       azx_dev->core.start_wallclk += wallclk;
        return 1; /* OK, it's fine */
 }
 
@@ -598,7 +598,9 @@ static void azx_irq_pending_work(struct work_struct *work)
 {
        struct hda_intel *hda = container_of(work, struct hda_intel, irq_pending_work);
        struct azx *chip = &hda->chip;
-       int i, pending, ok;
+       struct hdac_bus *bus = azx_bus(chip);
+       struct hdac_stream *s;
+       int pending, ok;
 
        if (!hda->irq_pending_warned) {
                dev_info(chip->card->dev,
@@ -610,17 +612,17 @@ static void azx_irq_pending_work(struct work_struct *work)
        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];
+               list_for_each_entry(s, &bus->stream_list, list) {
+                       struct azx_dev *azx_dev = stream_to_azx_dev(s);
                        if (!azx_dev->irq_pending ||
-                           !azx_dev->substream ||
-                           !azx_dev->running)
+                           !s->substream ||
+                           !s->running)
                                continue;
                        ok = azx_position_ok(chip, azx_dev);
                        if (ok > 0) {
                                azx_dev->irq_pending = 0;
                                spin_unlock(&chip->reg_lock);
-                               snd_pcm_period_elapsed(azx_dev->substream);
+                               snd_pcm_period_elapsed(s->substream);
                                spin_lock(&chip->reg_lock);
                        } else if (ok < 0) {
                                pending = 0;    /* too early */
@@ -637,11 +639,14 @@ static void azx_irq_pending_work(struct work_struct *work)
 /* clear irq_pending flags and assure no on-going workq */
 static void azx_clear_irq_pending(struct azx *chip)
 {
-       int i;
+       struct hdac_bus *bus = azx_bus(chip);
+       struct hdac_stream *s;
 
        spin_lock_irq(&chip->reg_lock);
-       for (i = 0; i < chip->num_streams; i++)
-               chip->azx_dev[i].irq_pending = 0;
+       list_for_each_entry(s, &bus->stream_list, list) {
+               struct azx_dev *azx_dev = stream_to_azx_dev(s);
+               azx_dev->irq_pending = 0;
+       }
        spin_unlock_irq(&chip->reg_lock);
 }
 
@@ -671,7 +676,7 @@ static unsigned int azx_via_get_position(struct azx *chip,
        unsigned int fifo_size;
 
        link_pos = azx_sd_readl(chip, azx_dev, SD_LPIB);
-       if (azx_dev->substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+       if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
                /* Playback, no problem using link position */
                return link_pos;
        }
@@ -680,8 +685,8 @@ static unsigned int azx_via_get_position(struct azx *chip,
        /* For new chipset,
         * use mod to get the DMA position just like old chipset
         */
-       mod_dma_pos = le32_to_cpu(*azx_dev->posbuf);
-       mod_dma_pos %= azx_dev->period_bytes;
+       mod_dma_pos = le32_to_cpu(*azx_dev->core.posbuf);
+       mod_dma_pos %= azx_dev->core.period_bytes;
 
        /* azx_dev->fifo_size can't get FIFO size of in stream.
         * Get from base address + offset.
@@ -697,20 +702,20 @@ static unsigned int azx_via_get_position(struct azx *chip,
        }
 
        if (link_pos <= fifo_size)
-               mini_pos = azx_dev->bufsize + link_pos - fifo_size;
+               mini_pos = azx_dev->core.bufsize + link_pos - fifo_size;
        else
                mini_pos = link_pos - fifo_size;
 
        /* Find nearest previous boudary */
-       mod_mini_pos = mini_pos % azx_dev->period_bytes;
-       mod_link_pos = link_pos % azx_dev->period_bytes;
+       mod_mini_pos = mini_pos % azx_dev->core.period_bytes;
+       mod_link_pos = link_pos % azx_dev->core.period_bytes;
        if (mod_link_pos >= fifo_size)
                bound_pos = link_pos - mod_link_pos;
        else if (mod_dma_pos >= mod_mini_pos)
                bound_pos = mini_pos - mod_mini_pos;
        else {
-               bound_pos = mini_pos - mod_mini_pos + azx_dev->period_bytes;
-               if (bound_pos >= azx_dev->bufsize)
+               bound_pos = mini_pos - mod_mini_pos + azx_dev->core.period_bytes;
+               if (bound_pos >= azx_dev->core.bufsize)
                        bound_pos = 0;
        }
 
@@ -1063,7 +1068,6 @@ static int azx_free(struct azx *chip)
 {
        struct pci_dev *pci = chip->pci;
        struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
-       int i;
 
        if (azx_has_pm_runtime(chip) && chip->running)
                pm_runtime_get_noresume(&pci->dev);
@@ -1082,8 +1086,7 @@ static int azx_free(struct azx *chip)
 
        if (chip->initialized) {
                azx_clear_irq_pending(chip);
-               for (i = 0; i < chip->num_streams; i++)
-                       azx_stream_stop(chip, &chip->azx_dev[i]);
+               azx_stop_all_streams(chip);
                azx_stop_chip(chip);
        }
 
@@ -1097,7 +1100,6 @@ static int azx_free(struct azx *chip)
        if (chip->region_requested)
                pci_release_regions(chip->pci);
        pci_disable_device(chip->pci);
-       kfree(chip->azx_dev);
 #ifdef CONFIG_SND_HDA_PATCH_LOADER
        release_firmware(chip->fw);
 #endif
@@ -1566,10 +1568,6 @@ static int azx_first_init(struct azx *chip)
        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);
-       if (!chip->azx_dev)
-               return -ENOMEM;
 
        err = azx_alloc_stream_pages(chip);
        if (err < 0)
@@ -1717,9 +1715,9 @@ static int substream_alloc_pages(struct azx *chip,
        int ret;
 
        mark_runtime_wc(chip, azx_dev, substream, false);
-       azx_dev->bufsize = 0;
-       azx_dev->period_bytes = 0;
-       azx_dev->format_val = 0;
+       azx_dev->core.bufsize = 0;
+       azx_dev->core.period_bytes = 0;
+       azx_dev->core.format_val = 0;
        ret = snd_pcm_lib_malloc_pages(substream, size);
        if (ret < 0)
                return ret;
index b150cb50961c2d404cd6042f42f17c9004648b9f..e25e0df7f067c18d3ce9f18ebf82d3cadb7f3c3b 100644 (file)
@@ -104,9 +104,9 @@ static int substream_alloc_pages(struct azx *chip,
 {
        struct azx_dev *azx_dev = get_azx_dev(substream);
 
-       azx_dev->bufsize = 0;
-       azx_dev->period_bytes = 0;
-       azx_dev->format_val = 0;
+       azx_dev->core.bufsize = 0;
+       azx_dev->core.period_bytes = 0;
+       azx_dev->core.format_val = 0;
        return snd_pcm_lib_malloc_pages(substream, size);
 }
 
@@ -290,12 +290,10 @@ static const struct dev_pm_ops hda_tegra_pm = {
  */
 static int hda_tegra_dev_free(struct snd_device *device)
 {
-       int i;
        struct azx *chip = device->device_data;
 
        if (chip->initialized) {
-               for (i = 0; i < chip->num_streams; i++)
-                       azx_stream_stop(chip, &chip->azx_dev[i]);
+               azx_stop_all_streams(chip);
                azx_stop_chip(chip);
        }
 
@@ -377,10 +375,6 @@ static int hda_tegra_first_init(struct azx *chip, struct platform_device *pdev)
        chip->capture_index_offset = 0;
        chip->playback_index_offset = chip->capture_streams;
        chip->num_streams = chip->playback_streams + chip->capture_streams;
-       chip->azx_dev = devm_kcalloc(card->dev, chip->num_streams,
-                                    sizeof(*chip->azx_dev), GFP_KERNEL);
-       if (!chip->azx_dev)
-               return -ENOMEM;
 
        err = azx_alloc_stream_pages(chip);
        if (err < 0)