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authorDave Airlie <airlied@redhat.com>2017-05-30 15:25:28 +1000
committerDave Airlie <airlied@redhat.com>2017-05-30 15:25:28 +1000
commita82256bc026722800d1fdeca5521f1ba487bc2ef (patch)
tree21573b1572fe8e5f0e064ef5f97438da2c409da9 /sound/x86
parent1afc45445d15493f3aaadbe2b549b37eaffcc407 (diff)
parentcd9f4688a3297c0df0eecc2adaae5812d3e5b997 (diff)
downloadlinux-stericsson-a82256bc026722800d1fdeca5521f1ba487bc2ef.tar.gz
Merge tag 'drm-intel-next-2017-05-29' of git://anongit.freedesktop.org/git/drm-intel into drm-next
More stuff for 4.13: - skl+ wm fixes from Mahesh Kumar - some refactor and tests for i915_sw_fence (Chris) - tune execlist/scheduler code (Chris) - g4x,g33 gpu reset improvements (Chris, Mika) - guc code cleanup (Michal Wajdeczko, MichaƂ Winiarski) - dp aux backlight improvements (Puthikorn Voravootivat) - buffer based guc/host communication (Michal Wajdeczko) * tag 'drm-intel-next-2017-05-29' of git://anongit.freedesktop.org/git/drm-intel: (253 commits) drm/i915: Update DRIVER_DATE to 20170529 drm/i915: Keep the forcewake timer alive for 1ms past the most recent use drm/i915/guc: capture GuC logs if FW fails to load drm/i915/guc: Introduce buffer based cmd transport drm/i915/guc: Disable send function on fini drm: Add definition for eDP backlight frequency drm/i915: Drop AUX backlight enable check for backlight control drm/i915: Consolidate #ifdef CONFIG_INTEL_IOMMU drm/i915: Only GGTT vma may be pinned and prevent shrinking drm/i915: Serialize GTT/Aperture accesses on BXT drm/i915: Convert i915_gem_object_ops->flags values to use BIT() drm/i915/selftests: Silence compiler warning in igt_ctx_exec drm/i915/guc: Skip port assign on first iteration of GuC dequeue drm/i915: Remove misleading comment in request_alloc drm/i915/g33: Improve reset reliability Revert "drm/i915: Restore lost "Initialized i915" welcome message" drm/i915/huc: Update GLK HuC version drm/i915: Check for allocation failure drm/i915/guc: Remove action status and statistics from debugfs drm/i915/g4x: Improve gpu reset reliability ...
Diffstat (limited to 'sound/x86')
-rw-r--r--sound/x86/intel_hdmi_audio.c328
-rw-r--r--sound/x86/intel_hdmi_audio.h20
2 files changed, 216 insertions, 132 deletions
diff --git a/sound/x86/intel_hdmi_audio.c b/sound/x86/intel_hdmi_audio.c
index 664b7fe206d6..c19efc9708d7 100644
--- a/sound/x86/intel_hdmi_audio.c
+++ b/sound/x86/intel_hdmi_audio.c
@@ -42,6 +42,11 @@
#include <drm/intel_lpe_audio.h>
#include "intel_hdmi_audio.h"
+#define for_each_pipe(card_ctx, pipe) \
+ for ((pipe) = 0; (pipe) < (card_ctx)->num_pipes; (pipe)++)
+#define for_each_port(card_ctx, port) \
+ for ((port) = 0; (port) < (card_ctx)->num_ports; (port)++)
+
/*standard module options for ALSA. This module supports only one card*/
static int hdmi_card_index = SNDRV_DEFAULT_IDX1;
static char *hdmi_card_id = SNDRV_DEFAULT_STR1;
@@ -189,15 +194,30 @@ static void had_substream_put(struct snd_intelhad *intelhaddata)
spin_unlock_irqrestore(&intelhaddata->had_spinlock, flags);
}
+static u32 had_config_offset(int pipe)
+{
+ switch (pipe) {
+ default:
+ case 0:
+ return AUDIO_HDMI_CONFIG_A;
+ case 1:
+ return AUDIO_HDMI_CONFIG_B;
+ case 2:
+ return AUDIO_HDMI_CONFIG_C;
+ }
+}
+
/* Register access functions */
-static u32 had_read_register_raw(struct snd_intelhad *ctx, u32 reg)
+static u32 had_read_register_raw(struct snd_intelhad_card *card_ctx,
+ int pipe, u32 reg)
{
- return ioread32(ctx->mmio_start + ctx->had_config_offset + reg);
+ return ioread32(card_ctx->mmio_start + had_config_offset(pipe) + reg);
}
-static void had_write_register_raw(struct snd_intelhad *ctx, u32 reg, u32 val)
+static void had_write_register_raw(struct snd_intelhad_card *card_ctx,
+ int pipe, u32 reg, u32 val)
{
- iowrite32(val, ctx->mmio_start + ctx->had_config_offset + reg);
+ iowrite32(val, card_ctx->mmio_start + had_config_offset(pipe) + reg);
}
static void had_read_register(struct snd_intelhad *ctx, u32 reg, u32 *val)
@@ -205,13 +225,13 @@ static void had_read_register(struct snd_intelhad *ctx, u32 reg, u32 *val)
if (!ctx->connected)
*val = 0;
else
- *val = had_read_register_raw(ctx, reg);
+ *val = had_read_register_raw(ctx->card_ctx, ctx->pipe, reg);
}
static void had_write_register(struct snd_intelhad *ctx, u32 reg, u32 val)
{
if (ctx->connected)
- had_write_register_raw(ctx, reg, val);
+ had_write_register_raw(ctx->card_ctx, ctx->pipe, reg, val);
}
/*
@@ -1358,6 +1378,9 @@ static void had_process_hot_plug(struct snd_intelhad *intelhaddata)
return;
}
+ /* Disable Audio */
+ had_enable_audio(intelhaddata, false);
+
intelhaddata->connected = true;
dev_dbg(intelhaddata->dev,
"%s @ %d:DEBUG PLUG/UNPLUG : HAD_DRV_CONNECTED\n",
@@ -1519,22 +1542,32 @@ static const struct snd_kcontrol_new had_controls[] = {
*/
static irqreturn_t display_pipe_interrupt_handler(int irq, void *dev_id)
{
- struct snd_intelhad *ctx = dev_id;
- u32 audio_stat;
+ struct snd_intelhad_card *card_ctx = dev_id;
+ u32 audio_stat[3] = {};
+ int pipe, port;
+
+ for_each_pipe(card_ctx, pipe) {
+ /* use raw register access to ack IRQs even while disconnected */
+ audio_stat[pipe] = had_read_register_raw(card_ctx, pipe,
+ AUD_HDMI_STATUS) &
+ (HDMI_AUDIO_UNDERRUN | HDMI_AUDIO_BUFFER_DONE);
+
+ if (audio_stat[pipe])
+ had_write_register_raw(card_ctx, pipe,
+ AUD_HDMI_STATUS, audio_stat[pipe]);
+ }
- /* use raw register access to ack IRQs even while disconnected */
- audio_stat = had_read_register_raw(ctx, AUD_HDMI_STATUS);
+ for_each_port(card_ctx, port) {
+ struct snd_intelhad *ctx = &card_ctx->pcm_ctx[port];
+ int pipe = ctx->pipe;
- if (audio_stat & HDMI_AUDIO_UNDERRUN) {
- had_write_register_raw(ctx, AUD_HDMI_STATUS,
- HDMI_AUDIO_UNDERRUN);
- had_process_buffer_underrun(ctx);
- }
+ if (pipe < 0)
+ continue;
- if (audio_stat & HDMI_AUDIO_BUFFER_DONE) {
- had_write_register_raw(ctx, AUD_HDMI_STATUS,
- HDMI_AUDIO_BUFFER_DONE);
- had_process_buffer_done(ctx);
+ if (audio_stat[pipe] & HDMI_AUDIO_BUFFER_DONE)
+ had_process_buffer_done(ctx);
+ if (audio_stat[pipe] & HDMI_AUDIO_UNDERRUN)
+ had_process_buffer_underrun(ctx);
}
return IRQ_HANDLED;
@@ -1543,9 +1576,10 @@ static irqreturn_t display_pipe_interrupt_handler(int irq, void *dev_id)
/*
* monitor plug/unplug notification from i915; just kick off the work
*/
-static void notify_audio_lpe(struct platform_device *pdev)
+static void notify_audio_lpe(struct platform_device *pdev, int port)
{
- struct snd_intelhad *ctx = platform_get_drvdata(pdev);
+ struct snd_intelhad_card *card_ctx = platform_get_drvdata(pdev);
+ struct snd_intelhad *ctx = &card_ctx->pcm_ctx[port];
schedule_work(&ctx->hdmi_audio_wq);
}
@@ -1556,47 +1590,51 @@ static void had_audio_wq(struct work_struct *work)
struct snd_intelhad *ctx =
container_of(work, struct snd_intelhad, hdmi_audio_wq);
struct intel_hdmi_lpe_audio_pdata *pdata = ctx->dev->platform_data;
+ struct intel_hdmi_lpe_audio_port_pdata *ppdata = &pdata->port[ctx->port];
pm_runtime_get_sync(ctx->dev);
mutex_lock(&ctx->mutex);
- if (!pdata->hdmi_connected) {
- dev_dbg(ctx->dev, "%s: Event: HAD_NOTIFY_HOT_UNPLUG\n",
- __func__);
+ if (ppdata->pipe < 0) {
+ dev_dbg(ctx->dev, "%s: Event: HAD_NOTIFY_HOT_UNPLUG : port = %d\n",
+ __func__, ctx->port);
+
memset(ctx->eld, 0, sizeof(ctx->eld)); /* clear the old ELD */
+
+ ctx->dp_output = false;
+ ctx->tmds_clock_speed = 0;
+ ctx->link_rate = 0;
+
+ /* Shut down the stream */
had_process_hot_unplug(ctx);
- } else {
- struct intel_hdmi_lpe_audio_eld *eld = &pdata->eld;
+ ctx->pipe = -1;
+ } else {
dev_dbg(ctx->dev, "%s: HAD_NOTIFY_ELD : port = %d, tmds = %d\n",
- __func__, eld->port_id, pdata->tmds_clock_speed);
+ __func__, ctx->port, ppdata->ls_clock);
- switch (eld->pipe_id) {
- case 0:
- ctx->had_config_offset = AUDIO_HDMI_CONFIG_A;
- break;
- case 1:
- ctx->had_config_offset = AUDIO_HDMI_CONFIG_B;
- break;
- case 2:
- ctx->had_config_offset = AUDIO_HDMI_CONFIG_C;
- break;
- default:
- dev_dbg(ctx->dev, "Invalid pipe %d\n",
- eld->pipe_id);
- break;
- }
-
- memcpy(ctx->eld, eld->eld_data, sizeof(ctx->eld));
+ memcpy(ctx->eld, ppdata->eld, sizeof(ctx->eld));
- ctx->dp_output = pdata->dp_output;
- ctx->tmds_clock_speed = pdata->tmds_clock_speed;
- ctx->link_rate = pdata->link_rate;
+ ctx->dp_output = ppdata->dp_output;
+ if (ctx->dp_output) {
+ ctx->tmds_clock_speed = 0;
+ ctx->link_rate = ppdata->ls_clock;
+ } else {
+ ctx->tmds_clock_speed = ppdata->ls_clock;
+ ctx->link_rate = 0;
+ }
+ /*
+ * Shut down the stream before we change
+ * the pipe assignment for this pcm device
+ */
had_process_hot_plug(ctx);
- /* Process mode change if stream is active */
+ ctx->pipe = ppdata->pipe;
+
+ /* Restart the stream if necessary */
had_process_mode_change(ctx);
}
+
mutex_unlock(&ctx->mutex);
pm_runtime_mark_last_busy(ctx->dev);
pm_runtime_put_autosuspend(ctx->dev);
@@ -1605,11 +1643,17 @@ static void had_audio_wq(struct work_struct *work)
/*
* Jack interface
*/
-static int had_create_jack(struct snd_intelhad *ctx)
+static int had_create_jack(struct snd_intelhad *ctx,
+ struct snd_pcm *pcm)
{
+ char hdmi_str[32];
int err;
- err = snd_jack_new(ctx->card, "HDMI/DP", SND_JACK_AVOUT, &ctx->jack,
+ snprintf(hdmi_str, sizeof(hdmi_str),
+ "HDMI/DP,pcm=%d", pcm->device);
+
+ err = snd_jack_new(ctx->card_ctx->card, hdmi_str,
+ SND_JACK_AVOUT, &ctx->jack,
true, false);
if (err < 0)
return err;
@@ -1623,13 +1667,18 @@ static int had_create_jack(struct snd_intelhad *ctx)
static int hdmi_lpe_audio_runtime_suspend(struct device *dev)
{
- struct snd_intelhad *ctx = dev_get_drvdata(dev);
- struct snd_pcm_substream *substream;
+ struct snd_intelhad_card *card_ctx = dev_get_drvdata(dev);
+ int port;
- substream = had_substream_get(ctx);
- if (substream) {
- snd_pcm_suspend(substream);
- had_substream_put(ctx);
+ for_each_port(card_ctx, port) {
+ struct snd_intelhad *ctx = &card_ctx->pcm_ctx[port];
+ struct snd_pcm_substream *substream;
+
+ substream = had_substream_get(ctx);
+ if (substream) {
+ snd_pcm_suspend(substream);
+ had_substream_put(ctx);
+ }
}
return 0;
@@ -1637,12 +1686,12 @@ static int hdmi_lpe_audio_runtime_suspend(struct device *dev)
static int __maybe_unused hdmi_lpe_audio_suspend(struct device *dev)
{
- struct snd_intelhad *ctx = dev_get_drvdata(dev);
+ struct snd_intelhad_card *card_ctx = dev_get_drvdata(dev);
int err;
err = hdmi_lpe_audio_runtime_suspend(dev);
if (!err)
- snd_power_change_state(ctx->card, SNDRV_CTL_POWER_D3hot);
+ snd_power_change_state(card_ctx->card, SNDRV_CTL_POWER_D3hot);
return err;
}
@@ -1654,24 +1703,34 @@ static int hdmi_lpe_audio_runtime_resume(struct device *dev)
static int __maybe_unused hdmi_lpe_audio_resume(struct device *dev)
{
- struct snd_intelhad *ctx = dev_get_drvdata(dev);
+ struct snd_intelhad_card *card_ctx = dev_get_drvdata(dev);
hdmi_lpe_audio_runtime_resume(dev);
- snd_power_change_state(ctx->card, SNDRV_CTL_POWER_D0);
+ snd_power_change_state(card_ctx->card, SNDRV_CTL_POWER_D0);
return 0;
}
/* release resources */
static void hdmi_lpe_audio_free(struct snd_card *card)
{
- struct snd_intelhad *ctx = card->private_data;
+ struct snd_intelhad_card *card_ctx = card->private_data;
+ struct intel_hdmi_lpe_audio_pdata *pdata = card_ctx->dev->platform_data;
+ int port;
- cancel_work_sync(&ctx->hdmi_audio_wq);
+ spin_lock_irq(&pdata->lpe_audio_slock);
+ pdata->notify_audio_lpe = NULL;
+ spin_unlock_irq(&pdata->lpe_audio_slock);
- if (ctx->mmio_start)
- iounmap(ctx->mmio_start);
- if (ctx->irq >= 0)
- free_irq(ctx->irq, ctx);
+ for_each_port(card_ctx, port) {
+ struct snd_intelhad *ctx = &card_ctx->pcm_ctx[port];
+
+ cancel_work_sync(&ctx->hdmi_audio_wq);
+ }
+
+ if (card_ctx->mmio_start)
+ iounmap(card_ctx->mmio_start);
+ if (card_ctx->irq >= 0)
+ free_irq(card_ctx->irq, card_ctx);
}
/*
@@ -1683,12 +1742,12 @@ static void hdmi_lpe_audio_free(struct snd_card *card)
static int hdmi_lpe_audio_probe(struct platform_device *pdev)
{
struct snd_card *card;
- struct snd_intelhad *ctx;
+ struct snd_intelhad_card *card_ctx;
struct snd_pcm *pcm;
struct intel_hdmi_lpe_audio_pdata *pdata;
int irq;
struct resource *res_mmio;
- int i, ret;
+ int port, ret;
pdata = pdev->dev.platform_data;
if (!pdata) {
@@ -1711,39 +1770,30 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev)
/* create a card instance with ALSA framework */
ret = snd_card_new(&pdev->dev, hdmi_card_index, hdmi_card_id,
- THIS_MODULE, sizeof(*ctx), &card);
+ THIS_MODULE, sizeof(*card_ctx), &card);
if (ret)
return ret;
- ctx = card->private_data;
- spin_lock_init(&ctx->had_spinlock);
- mutex_init(&ctx->mutex);
- ctx->connected = false;
- ctx->dev = &pdev->dev;
- ctx->card = card;
- ctx->aes_bits = SNDRV_PCM_DEFAULT_CON_SPDIF;
+ card_ctx = card->private_data;
+ card_ctx->dev = &pdev->dev;
+ card_ctx->card = card;
strcpy(card->driver, INTEL_HAD);
strcpy(card->shortname, "Intel HDMI/DP LPE Audio");
strcpy(card->longname, "Intel HDMI/DP LPE Audio");
- ctx->irq = -1;
- ctx->tmds_clock_speed = DIS_SAMPLE_RATE_148_5;
- INIT_WORK(&ctx->hdmi_audio_wq, had_audio_wq);
+ card_ctx->irq = -1;
card->private_free = hdmi_lpe_audio_free;
- /* assume pipe A as default */
- ctx->had_config_offset = AUDIO_HDMI_CONFIG_A;
-
- platform_set_drvdata(pdev, ctx);
+ platform_set_drvdata(pdev, card_ctx);
dev_dbg(&pdev->dev, "%s: mmio_start = 0x%x, mmio_end = 0x%x\n",
__func__, (unsigned int)res_mmio->start,
(unsigned int)res_mmio->end);
- ctx->mmio_start = ioremap_nocache(res_mmio->start,
- (size_t)(resource_size(res_mmio)));
- if (!ctx->mmio_start) {
+ card_ctx->mmio_start = ioremap_nocache(res_mmio->start,
+ (size_t)(resource_size(res_mmio)));
+ if (!card_ctx->mmio_start) {
dev_err(&pdev->dev, "Could not get ioremap\n");
ret = -EACCES;
goto err;
@@ -1751,54 +1801,79 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev)
/* setup interrupt handler */
ret = request_irq(irq, display_pipe_interrupt_handler, 0,
- pdev->name, ctx);
+ pdev->name, card_ctx);
if (ret < 0) {
dev_err(&pdev->dev, "request_irq failed\n");
goto err;
}
- ctx->irq = irq;
-
- ret = snd_pcm_new(card, INTEL_HAD, PCM_INDEX, MAX_PB_STREAMS,
- MAX_CAP_STREAMS, &pcm);
- if (ret)
- goto err;
-
- /* setup private data which can be retrieved when required */
- pcm->private_data = ctx;
- pcm->info_flags = 0;
- strncpy(pcm->name, card->shortname, strlen(card->shortname));
- /* setup the ops for playabck */
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &had_pcm_ops);
+ card_ctx->irq = irq;
/* only 32bit addressable */
dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
- /* allocate dma pages;
- * try to allocate 600k buffer as default which is large enough
- */
- snd_pcm_lib_preallocate_pages_for_all(pcm,
- SNDRV_DMA_TYPE_DEV, NULL,
- HAD_DEFAULT_BUFFER, HAD_MAX_BUFFER);
+ init_channel_allocations();
- /* create controls */
- for (i = 0; i < ARRAY_SIZE(had_controls); i++) {
- ret = snd_ctl_add(card, snd_ctl_new1(&had_controls[i], ctx));
- if (ret < 0)
+ card_ctx->num_pipes = pdata->num_pipes;
+ card_ctx->num_ports = pdata->num_ports;
+
+ for_each_port(card_ctx, port) {
+ struct snd_intelhad *ctx = &card_ctx->pcm_ctx[port];
+ int i;
+
+ ctx->card_ctx = card_ctx;
+ ctx->dev = card_ctx->dev;
+ ctx->port = port;
+ ctx->pipe = -1;
+
+ INIT_WORK(&ctx->hdmi_audio_wq, had_audio_wq);
+
+ ret = snd_pcm_new(card, INTEL_HAD, port, MAX_PB_STREAMS,
+ MAX_CAP_STREAMS, &pcm);
+ if (ret)
goto err;
- }
- init_channel_allocations();
+ /* setup private data which can be retrieved when required */
+ pcm->private_data = ctx;
+ pcm->info_flags = 0;
+ strncpy(pcm->name, card->shortname, strlen(card->shortname));
+ /* setup the ops for playabck */
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &had_pcm_ops);
- /* Register channel map controls */
- ret = had_register_chmap_ctls(ctx, pcm);
- if (ret < 0)
- goto err;
+ /* allocate dma pages;
+ * try to allocate 600k buffer as default which is large enough
+ */
+ snd_pcm_lib_preallocate_pages_for_all(pcm,
+ SNDRV_DMA_TYPE_DEV, NULL,
+ HAD_DEFAULT_BUFFER, HAD_MAX_BUFFER);
+
+ /* create controls */
+ for (i = 0; i < ARRAY_SIZE(had_controls); i++) {
+ struct snd_kcontrol *kctl;
+
+ kctl = snd_ctl_new1(&had_controls[i], ctx);
+ if (!kctl) {
+ ret = -ENOMEM;
+ goto err;
+ }
- ret = had_create_jack(ctx);
- if (ret < 0)
- goto err;
+ kctl->id.device = pcm->device;
+
+ ret = snd_ctl_add(card, kctl);
+ if (ret < 0)
+ goto err;
+ }
+
+ /* Register channel map controls */
+ ret = had_register_chmap_ctls(ctx, pcm);
+ if (ret < 0)
+ goto err;
+
+ ret = had_create_jack(ctx, pcm);
+ if (ret < 0)
+ goto err;
+ }
ret = snd_card_register(card);
if (ret)
@@ -1806,19 +1881,18 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev)
spin_lock_irq(&pdata->lpe_audio_slock);
pdata->notify_audio_lpe = notify_audio_lpe;
- pdata->notify_pending = false;
spin_unlock_irq(&pdata->lpe_audio_slock);
- /* runtime PM isn't enabled as default, since it won't save much on
- * BYT/CHT devices; user who want the runtime PM should adjust the
- * power/ontrol and power/autosuspend_delay_ms sysfs entries instead
- */
pm_runtime_use_autosuspend(&pdev->dev);
pm_runtime_mark_last_busy(&pdev->dev);
pm_runtime_set_active(&pdev->dev);
dev_dbg(&pdev->dev, "%s: handle pending notification\n", __func__);
- schedule_work(&ctx->hdmi_audio_wq);
+ for_each_port(card_ctx, port) {
+ struct snd_intelhad *ctx = &card_ctx->pcm_ctx[port];
+
+ schedule_work(&ctx->hdmi_audio_wq);
+ }
return 0;
@@ -1834,9 +1908,9 @@ err:
*/
static int hdmi_lpe_audio_remove(struct platform_device *pdev)
{
- struct snd_intelhad *ctx = platform_get_drvdata(pdev);
+ struct snd_intelhad_card *card_ctx = platform_get_drvdata(pdev);
- snd_card_free(ctx->card);
+ snd_card_free(card_ctx->card);
return 0;
}
diff --git a/sound/x86/intel_hdmi_audio.h b/sound/x86/intel_hdmi_audio.h
index 2d3e389f76b3..0d91bb5dbab7 100644
--- a/sound/x86/intel_hdmi_audio.h
+++ b/sound/x86/intel_hdmi_audio.h
@@ -32,7 +32,6 @@
#include "intel_hdmi_lpe_audio.h"
-#define PCM_INDEX 0
#define MAX_PB_STREAMS 1
#define MAX_CAP_STREAMS 0
#define BYTES_PER_WORD 0x4
@@ -101,7 +100,7 @@ struct pcm_stream_info {
* @chmap: holds channel map info
*/
struct snd_intelhad {
- struct snd_card *card;
+ struct snd_intelhad_card *card_ctx;
bool connected;
struct pcm_stream_info stream_info;
unsigned char eld[HDMI_MAX_ELD_BYTES];
@@ -112,6 +111,8 @@ struct snd_intelhad {
struct snd_pcm_chmap *chmap;
int tmds_clock_speed;
int link_rate;
+ int port; /* fixed */
+ int pipe; /* can change dynamically */
/* ring buffer (BD) position index */
unsigned int bd_head;
@@ -123,9 +124,6 @@ struct snd_intelhad {
unsigned int period_bytes; /* PCM period size in bytes */
/* internal stuff */
- int irq;
- void __iomem *mmio_start;
- unsigned int had_config_offset;
union aud_cfg aud_config; /* AUD_CONFIG reg value cache */
struct work_struct hdmi_audio_wq;
struct mutex mutex; /* for protecting chmap and eld */
@@ -133,4 +131,16 @@ struct snd_intelhad {
struct snd_jack *jack;
};
+struct snd_intelhad_card {
+ struct snd_card *card;
+ struct device *dev;
+
+ /* internal stuff */
+ int irq;
+ void __iomem *mmio_start;
+ int num_pipes;
+ int num_ports;
+ struct snd_intelhad pcm_ctx[3]; /* one for each port */
+};
+
#endif /* _INTEL_HDMI_AUDIO_ */