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 | 415 ++++++++++++++++------------------------- sound/pci/hda/hda_controller.h | 61 ++---- sound/pci/hda/hda_intel.c | 80 ++++---- sound/pci/hda/hda_tegra.c | 14 +- 4 files changed, 211 insertions(+), 359 deletions(-)
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c index aadce642aabc..0b85c88c75ac 100644 --- a/sound/pci/hda/hda_controller.c +++ b/sound/pci/hda/hda_controller.c @@ -31,92 +31,15 @@ #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; diff --git a/sound/pci/hda/hda_controller.h b/sound/pci/hda/hda_controller.h index d6b090daa7dc..b45568d83860 100644 --- a/sound/pci/hda/hda_controller.h +++ b/sound/pci/hda/hda_controller.h @@ -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); diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 7492d11fd8ff..c440ac1e34c8 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -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; diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c index b150cb50961c..e25e0df7f067 100644 --- a/sound/pci/hda/hda_tegra.c +++ b/sound/pci/hda/hda_tegra.c @@ -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)