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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
commit863981e96738983919de841ec669e157e6bdaeb0 (patch)
treed6d89a12e7eb8017837c057935a2271290907f76 /sound/soc/codecs/wm_adsp.c
parent8dec7c70575785729a6a9e6719a955e9c545bcab (diff)
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'sound/soc/codecs/wm_adsp.c')
-rw-r--r--sound/soc/codecs/wm_adsp.c292
1 files changed, 223 insertions, 69 deletions
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 781f40a4d..78832c218 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -160,6 +160,8 @@
#define ADSP2_RAM_RDY_SHIFT 0
#define ADSP2_RAM_RDY_WIDTH 1
+#define ADSP_MAX_STD_CTRL_SIZE 512
+
struct wm_adsp_buf {
struct list_head list;
void *buf;
@@ -271,8 +273,11 @@ struct wm_adsp_buffer {
__be32 words_written[2]; /* total words written (64 bit) */
};
+struct wm_adsp_compr;
+
struct wm_adsp_compr_buf {
struct wm_adsp *dsp;
+ struct wm_adsp_compr *compr;
struct wm_adsp_buffer_region *regions;
u32 host_buf_ptr;
@@ -435,6 +440,7 @@ struct wm_coeff_ctl {
size_t len;
unsigned int set:1;
struct snd_kcontrol *kcontrol;
+ struct soc_bytes_ext bytes_ext;
unsigned int flags;
};
@@ -711,10 +717,17 @@ static void wm_adsp2_show_fw_status(struct wm_adsp *dsp)
be16_to_cpu(scratch[3]));
}
+static inline struct wm_coeff_ctl *bytes_ext_to_ctl(struct soc_bytes_ext *ext)
+{
+ return container_of(ext, struct wm_coeff_ctl, bytes_ext);
+}
+
static int wm_coeff_info(struct snd_kcontrol *kctl,
struct snd_ctl_elem_info *uinfo)
{
- struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kctl->private_value;
+ struct soc_bytes_ext *bytes_ext =
+ (struct soc_bytes_ext *)kctl->private_value;
+ struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);
uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
uinfo->count = ctl->len;
@@ -763,7 +776,9 @@ static int wm_coeff_write_control(struct wm_coeff_ctl *ctl,
static int wm_coeff_put(struct snd_kcontrol *kctl,
struct snd_ctl_elem_value *ucontrol)
{
- struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kctl->private_value;
+ struct soc_bytes_ext *bytes_ext =
+ (struct soc_bytes_ext *)kctl->private_value;
+ struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);
char *p = ucontrol->value.bytes.data;
int ret = 0;
@@ -780,6 +795,29 @@ static int wm_coeff_put(struct snd_kcontrol *kctl,
return ret;
}
+static int wm_coeff_tlv_put(struct snd_kcontrol *kctl,
+ const unsigned int __user *bytes, unsigned int size)
+{
+ struct soc_bytes_ext *bytes_ext =
+ (struct soc_bytes_ext *)kctl->private_value;
+ struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);
+ int ret = 0;
+
+ mutex_lock(&ctl->dsp->pwr_lock);
+
+ if (copy_from_user(ctl->cache, bytes, size)) {
+ ret = -EFAULT;
+ } else {
+ ctl->set = 1;
+ if (ctl->enabled)
+ ret = wm_coeff_write_control(ctl, ctl->cache, size);
+ }
+
+ mutex_unlock(&ctl->dsp->pwr_lock);
+
+ return ret;
+}
+
static int wm_coeff_read_control(struct wm_coeff_ctl *ctl,
void *buf, size_t len)
{
@@ -822,7 +860,9 @@ static int wm_coeff_read_control(struct wm_coeff_ctl *ctl,
static int wm_coeff_get(struct snd_kcontrol *kctl,
struct snd_ctl_elem_value *ucontrol)
{
- struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kctl->private_value;
+ struct soc_bytes_ext *bytes_ext =
+ (struct soc_bytes_ext *)kctl->private_value;
+ struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);
char *p = ucontrol->value.bytes.data;
int ret = 0;
@@ -845,12 +885,72 @@ static int wm_coeff_get(struct snd_kcontrol *kctl,
return ret;
}
+static int wm_coeff_tlv_get(struct snd_kcontrol *kctl,
+ unsigned int __user *bytes, unsigned int size)
+{
+ struct soc_bytes_ext *bytes_ext =
+ (struct soc_bytes_ext *)kctl->private_value;
+ struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);
+ int ret = 0;
+
+ mutex_lock(&ctl->dsp->pwr_lock);
+
+ if (ctl->flags & WMFW_CTL_FLAG_VOLATILE) {
+ if (ctl->enabled)
+ ret = wm_coeff_read_control(ctl, ctl->cache, size);
+ else
+ ret = -EPERM;
+ } else {
+ if (!ctl->flags && ctl->enabled)
+ ret = wm_coeff_read_control(ctl, ctl->cache, size);
+ }
+
+ if (!ret && copy_to_user(bytes, ctl->cache, size))
+ ret = -EFAULT;
+
+ mutex_unlock(&ctl->dsp->pwr_lock);
+
+ return ret;
+}
+
struct wmfw_ctl_work {
struct wm_adsp *dsp;
struct wm_coeff_ctl *ctl;
struct work_struct work;
};
+static unsigned int wmfw_convert_flags(unsigned int in, unsigned int len)
+{
+ unsigned int out, rd, wr, vol;
+
+ if (len > ADSP_MAX_STD_CTRL_SIZE) {
+ rd = SNDRV_CTL_ELEM_ACCESS_TLV_READ;
+ wr = SNDRV_CTL_ELEM_ACCESS_TLV_WRITE;
+ vol = SNDRV_CTL_ELEM_ACCESS_VOLATILE;
+
+ out = SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
+ } else {
+ rd = SNDRV_CTL_ELEM_ACCESS_READ;
+ wr = SNDRV_CTL_ELEM_ACCESS_WRITE;
+ vol = SNDRV_CTL_ELEM_ACCESS_VOLATILE;
+
+ out = 0;
+ }
+
+ if (in) {
+ if (in & WMFW_CTL_FLAG_READABLE)
+ out |= rd;
+ if (in & WMFW_CTL_FLAG_WRITEABLE)
+ out |= wr;
+ if (in & WMFW_CTL_FLAG_VOLATILE)
+ out |= vol;
+ } else {
+ out |= rd | wr | vol;
+ }
+
+ return out;
+}
+
static int wmfw_add_ctl(struct wm_adsp *dsp, struct wm_coeff_ctl *ctl)
{
struct snd_kcontrol_new *kcontrol;
@@ -868,19 +968,15 @@ static int wmfw_add_ctl(struct wm_adsp *dsp, struct wm_coeff_ctl *ctl)
kcontrol->info = wm_coeff_info;
kcontrol->get = wm_coeff_get;
kcontrol->put = wm_coeff_put;
- kcontrol->private_value = (unsigned long)ctl;
+ kcontrol->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ kcontrol->tlv.c = snd_soc_bytes_tlv_callback;
+ kcontrol->private_value = (unsigned long)&ctl->bytes_ext;
- if (ctl->flags) {
- if (ctl->flags & WMFW_CTL_FLAG_WRITEABLE)
- kcontrol->access |= SNDRV_CTL_ELEM_ACCESS_WRITE;
- if (ctl->flags & WMFW_CTL_FLAG_READABLE)
- kcontrol->access |= SNDRV_CTL_ELEM_ACCESS_READ;
- if (ctl->flags & WMFW_CTL_FLAG_VOLATILE)
- kcontrol->access |= SNDRV_CTL_ELEM_ACCESS_VOLATILE;
- } else {
- kcontrol->access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
- kcontrol->access |= SNDRV_CTL_ELEM_ACCESS_VOLATILE;
- }
+ ctl->bytes_ext.max = ctl->len;
+ ctl->bytes_ext.get = wm_coeff_tlv_get;
+ ctl->bytes_ext.put = wm_coeff_tlv_put;
+
+ kcontrol->access = wmfw_convert_flags(ctl->flags, ctl->len);
ret = snd_soc_add_card_controls(dsp->card, kcontrol, 1);
if (ret < 0)
@@ -944,6 +1040,13 @@ static void wm_adsp_ctl_work(struct work_struct *work)
kfree(ctl_work);
}
+static void wm_adsp_free_ctl_blk(struct wm_coeff_ctl *ctl)
+{
+ kfree(ctl->cache);
+ kfree(ctl->name);
+ kfree(ctl);
+}
+
static int wm_adsp_create_control(struct wm_adsp *dsp,
const struct wm_adsp_alg_region *alg_region,
unsigned int offset, unsigned int len,
@@ -1032,11 +1135,6 @@ static int wm_adsp_create_control(struct wm_adsp *dsp,
ctl->flags = flags;
ctl->offset = offset;
- if (len > 512) {
- adsp_warn(dsp, "Truncating control %s from %d\n",
- ctl->name, len);
- len = 512;
- }
ctl->len = len;
ctl->cache = kzalloc(ctl->len, GFP_KERNEL);
if (!ctl->cache) {
@@ -1564,6 +1662,19 @@ static struct wm_adsp_alg_region *wm_adsp_create_region(struct wm_adsp *dsp,
return alg_region;
}
+static void wm_adsp_free_alg_regions(struct wm_adsp *dsp)
+{
+ struct wm_adsp_alg_region *alg_region;
+
+ while (!list_empty(&dsp->alg_regions)) {
+ alg_region = list_first_entry(&dsp->alg_regions,
+ struct wm_adsp_alg_region,
+ list);
+ list_del(&alg_region->list);
+ kfree(alg_region);
+ }
+}
+
static int wm_adsp1_setup_algs(struct wm_adsp *dsp)
{
struct wmfw_adsp1_id_hdr adsp1_id;
@@ -1994,7 +2105,6 @@ int wm_adsp1_event(struct snd_soc_dapm_widget *w,
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
struct wm_adsp *dsp = &dsps[w->shift];
- struct wm_adsp_alg_region *alg_region;
struct wm_coeff_ctl *ctl;
int ret;
unsigned int val;
@@ -2074,13 +2184,8 @@ int wm_adsp1_event(struct snd_soc_dapm_widget *w,
list_for_each_entry(ctl, &dsp->ctl_list, list)
ctl->enabled = 0;
- while (!list_empty(&dsp->alg_regions)) {
- alg_region = list_first_entry(&dsp->alg_regions,
- struct wm_adsp_alg_region,
- list);
- list_del(&alg_region->list);
- kfree(alg_region);
- }
+
+ wm_adsp_free_alg_regions(dsp);
break;
default:
@@ -2222,7 +2327,6 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
struct wm_adsp *dsp = &dsps[w->shift];
- struct wm_adsp_alg_region *alg_region;
struct wm_coeff_ctl *ctl;
int ret;
@@ -2240,9 +2344,13 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,
if (ret != 0)
goto err;
+ mutex_lock(&dsp->pwr_lock);
+
if (wm_adsp_fw[dsp->fw].num_caps != 0)
ret = wm_adsp_buffer_init(dsp);
+ mutex_unlock(&dsp->pwr_lock);
+
break;
case SND_SOC_DAPM_PRE_PMD:
@@ -2269,13 +2377,7 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,
list_for_each_entry(ctl, &dsp->ctl_list, list)
ctl->enabled = 0;
- while (!list_empty(&dsp->alg_regions)) {
- alg_region = list_first_entry(&dsp->alg_regions,
- struct wm_adsp_alg_region,
- list);
- list_del(&alg_region->list);
- kfree(alg_region);
- }
+ wm_adsp_free_alg_regions(dsp);
if (wm_adsp_fw[dsp->fw].num_caps != 0)
wm_adsp_buffer_free(dsp);
@@ -2340,6 +2442,54 @@ int wm_adsp2_init(struct wm_adsp *dsp)
}
EXPORT_SYMBOL_GPL(wm_adsp2_init);
+void wm_adsp2_remove(struct wm_adsp *dsp)
+{
+ struct wm_coeff_ctl *ctl;
+
+ while (!list_empty(&dsp->ctl_list)) {
+ ctl = list_first_entry(&dsp->ctl_list, struct wm_coeff_ctl,
+ list);
+ list_del(&ctl->list);
+ wm_adsp_free_ctl_blk(ctl);
+ }
+}
+EXPORT_SYMBOL_GPL(wm_adsp2_remove);
+
+static inline int wm_adsp_compr_attached(struct wm_adsp_compr *compr)
+{
+ return compr->buf != NULL;
+}
+
+static int wm_adsp_compr_attach(struct wm_adsp_compr *compr)
+{
+ /*
+ * Note this will be more complex once each DSP can support multiple
+ * streams
+ */
+ if (!compr->dsp->buffer)
+ return -EINVAL;
+
+ compr->buf = compr->dsp->buffer;
+ compr->buf->compr = compr;
+
+ return 0;
+}
+
+static void wm_adsp_compr_detach(struct wm_adsp_compr *compr)
+{
+ if (!compr)
+ return;
+
+ /* Wake the poll so it can see buffer is no longer attached */
+ if (compr->stream)
+ snd_compr_fragment_elapsed(compr->stream);
+
+ if (wm_adsp_compr_attached(compr)) {
+ compr->buf->compr = NULL;
+ compr->buf = NULL;
+ }
+}
+
int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream)
{
struct wm_adsp_compr *compr;
@@ -2393,6 +2543,7 @@ int wm_adsp_compr_free(struct snd_compr_stream *stream)
mutex_lock(&dsp->pwr_lock);
+ wm_adsp_compr_detach(compr);
dsp->compr = NULL;
kfree(compr->raw_buf);
@@ -2689,6 +2840,8 @@ err_buffer:
static int wm_adsp_buffer_free(struct wm_adsp *dsp)
{
if (dsp->buffer) {
+ wm_adsp_compr_detach(dsp->buffer->compr);
+
kfree(dsp->buffer->regions);
kfree(dsp->buffer);
@@ -2698,25 +2851,6 @@ static int wm_adsp_buffer_free(struct wm_adsp *dsp)
return 0;
}
-static inline int wm_adsp_compr_attached(struct wm_adsp_compr *compr)
-{
- return compr->buf != NULL;
-}
-
-static int wm_adsp_compr_attach(struct wm_adsp_compr *compr)
-{
- /*
- * Note this will be more complex once each DSP can support multiple
- * streams
- */
- if (!compr->dsp->buffer)
- return -EINVAL;
-
- compr->buf = compr->dsp->buffer;
-
- return 0;
-}
-
int wm_adsp_compr_trigger(struct snd_compr_stream *stream, int cmd)
{
struct wm_adsp_compr *compr = stream->runtime->private_data;
@@ -2805,21 +2939,41 @@ static int wm_adsp_buffer_update_avail(struct wm_adsp_compr_buf *buf)
avail += wm_adsp_buffer_size(buf);
adsp_dbg(buf->dsp, "readindex=0x%x, writeindex=0x%x, avail=%d\n",
- buf->read_index, write_index, avail);
+ buf->read_index, write_index, avail * WM_ADSP_DATA_WORD_SIZE);
buf->avail = avail;
return 0;
}
+static int wm_adsp_buffer_get_error(struct wm_adsp_compr_buf *buf)
+{
+ int ret;
+
+ ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(error), &buf->error);
+ if (ret < 0) {
+ adsp_err(buf->dsp, "Failed to check buffer error: %d\n", ret);
+ return ret;
+ }
+ if (buf->error != 0) {
+ adsp_err(buf->dsp, "Buffer error occurred: %d\n", buf->error);
+ return -EIO;
+ }
+
+ return 0;
+}
+
int wm_adsp_compr_handle_irq(struct wm_adsp *dsp)
{
- struct wm_adsp_compr_buf *buf = dsp->buffer;
- struct wm_adsp_compr *compr = dsp->compr;
+ struct wm_adsp_compr_buf *buf;
+ struct wm_adsp_compr *compr;
int ret = 0;
mutex_lock(&dsp->pwr_lock);
+ buf = dsp->buffer;
+ compr = dsp->compr;
+
if (!buf) {
ret = -ENODEV;
goto out;
@@ -2827,16 +2981,9 @@ int wm_adsp_compr_handle_irq(struct wm_adsp *dsp)
adsp_dbg(dsp, "Handling buffer IRQ\n");
- ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(error), &buf->error);
- if (ret < 0) {
- adsp_err(dsp, "Failed to check buffer error: %d\n", ret);
- goto out;
- }
- if (buf->error != 0) {
- adsp_err(dsp, "Buffer error occurred: %d\n", buf->error);
- ret = -EIO;
- goto out;
- }
+ ret = wm_adsp_buffer_get_error(buf);
+ if (ret < 0)
+ goto out_notify; /* Wake poll to report error */
ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(irq_count),
&buf->irq_count);
@@ -2851,6 +2998,7 @@ int wm_adsp_compr_handle_irq(struct wm_adsp *dsp)
goto out;
}
+out_notify:
if (compr && compr->stream)
snd_compr_fragment_elapsed(compr->stream);
@@ -2879,14 +3027,16 @@ int wm_adsp_compr_pointer(struct snd_compr_stream *stream,
struct snd_compr_tstamp *tstamp)
{
struct wm_adsp_compr *compr = stream->runtime->private_data;
- struct wm_adsp_compr_buf *buf = compr->buf;
struct wm_adsp *dsp = compr->dsp;
+ struct wm_adsp_compr_buf *buf;
int ret = 0;
adsp_dbg(dsp, "Pointer request\n");
mutex_lock(&dsp->pwr_lock);
+ buf = compr->buf;
+
if (!compr->buf) {
ret = -ENXIO;
goto out;
@@ -2909,6 +3059,10 @@ int wm_adsp_compr_pointer(struct snd_compr_stream *stream,
* DSP to inform us once a whole fragment is available.
*/
if (buf->avail < wm_adsp_compr_frag_words(compr)) {
+ ret = wm_adsp_buffer_get_error(buf);
+ if (ret < 0)
+ goto out;
+
ret = wm_adsp_buffer_reenable_irq(buf);
if (ret < 0) {
adsp_err(dsp,