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path: root/sound/soc/intel/atom/sst-atom-controls.c
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Diffstat (limited to 'sound/soc/intel/atom/sst-atom-controls.c')
-rw-r--r--sound/soc/intel/atom/sst-atom-controls.c167
1 files changed, 144 insertions, 23 deletions
diff --git a/sound/soc/intel/atom/sst-atom-controls.c b/sound/soc/intel/atom/sst-atom-controls.c
index 90aa5c0476f3..61e240935451 100644
--- a/sound/soc/intel/atom/sst-atom-controls.c
+++ b/sound/soc/intel/atom/sst-atom-controls.c
@@ -774,8 +774,120 @@ int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable)
return ret;
}
+int sst_fill_ssp_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
+ unsigned int rx_mask, int slots, int slot_width)
+{
+ struct sst_data *ctx = snd_soc_dai_get_drvdata(dai);
+
+ ctx->ssp_cmd.nb_slots = slots;
+ ctx->ssp_cmd.active_tx_slot_map = tx_mask;
+ ctx->ssp_cmd.active_rx_slot_map = rx_mask;
+ ctx->ssp_cmd.nb_bits_per_slots = slot_width;
+
+ return 0;
+}
+
+static int sst_get_frame_sync_polarity(struct snd_soc_dai *dai,
+ unsigned int fmt)
+{
+ int format;
+
+ format = fmt & SND_SOC_DAIFMT_INV_MASK;
+ dev_dbg(dai->dev, "Enter:%s, format=%x\n", __func__, format);
+
+ switch (format) {
+ case SND_SOC_DAIFMT_NB_NF:
+ return SSP_FS_ACTIVE_LOW;
+ case SND_SOC_DAIFMT_NB_IF:
+ return SSP_FS_ACTIVE_HIGH;
+ case SND_SOC_DAIFMT_IB_IF:
+ return SSP_FS_ACTIVE_LOW;
+ case SND_SOC_DAIFMT_IB_NF:
+ return SSP_FS_ACTIVE_HIGH;
+ default:
+ dev_err(dai->dev, "Invalid frame sync polarity %d\n", format);
+ }
+
+ return -EINVAL;
+}
+
+static int sst_get_ssp_mode(struct snd_soc_dai *dai, unsigned int fmt)
+{
+ int format;
+
+ format = (fmt & SND_SOC_DAIFMT_MASTER_MASK);
+ dev_dbg(dai->dev, "Enter:%s, format=%x\n", __func__, format);
+
+ switch (format) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ return SSP_MODE_MASTER;
+ case SND_SOC_DAIFMT_CBM_CFM:
+ return SSP_MODE_SLAVE;
+ default:
+ dev_err(dai->dev, "Invalid ssp protocol: %d\n", format);
+ }
+
+ return -EINVAL;
+}
+
+
+int sst_fill_ssp_config(struct snd_soc_dai *dai, unsigned int fmt)
+{
+ unsigned int mode;
+ int fs_polarity;
+ struct sst_data *ctx = snd_soc_dai_get_drvdata(dai);
+
+ mode = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
+
+ switch (mode) {
+ case SND_SOC_DAIFMT_DSP_B:
+ ctx->ssp_cmd.ssp_protocol = SSP_MODE_PCM;
+ ctx->ssp_cmd.mode = sst_get_ssp_mode(dai, fmt) | (SSP_PCM_MODE_NETWORK << 1);
+ ctx->ssp_cmd.start_delay = 0;
+ ctx->ssp_cmd.data_polarity = 1;
+ ctx->ssp_cmd.frame_sync_width = 1;
+ break;
+
+ case SND_SOC_DAIFMT_DSP_A:
+ ctx->ssp_cmd.ssp_protocol = SSP_MODE_PCM;
+ ctx->ssp_cmd.mode = sst_get_ssp_mode(dai, fmt) | (SSP_PCM_MODE_NETWORK << 1);
+ ctx->ssp_cmd.start_delay = 1;
+ ctx->ssp_cmd.data_polarity = 1;
+ ctx->ssp_cmd.frame_sync_width = 1;
+ break;
+
+ case SND_SOC_DAIFMT_I2S:
+ ctx->ssp_cmd.ssp_protocol = SSP_MODE_I2S;
+ ctx->ssp_cmd.mode = sst_get_ssp_mode(dai, fmt) | (SSP_PCM_MODE_NORMAL << 1);
+ ctx->ssp_cmd.start_delay = 1;
+ ctx->ssp_cmd.data_polarity = 0;
+ ctx->ssp_cmd.frame_sync_width = ctx->ssp_cmd.nb_bits_per_slots;
+ break;
+
+ case SND_SOC_DAIFMT_LEFT_J:
+ ctx->ssp_cmd.ssp_protocol = SSP_MODE_I2S;
+ ctx->ssp_cmd.mode = sst_get_ssp_mode(dai, fmt) | (SSP_PCM_MODE_NORMAL << 1);
+ ctx->ssp_cmd.start_delay = 0;
+ ctx->ssp_cmd.data_polarity = 0;
+ ctx->ssp_cmd.frame_sync_width = ctx->ssp_cmd.nb_bits_per_slots;
+ break;
+
+ default:
+ dev_dbg(dai->dev, "using default ssp configs\n");
+ }
+
+ fs_polarity = sst_get_frame_sync_polarity(dai, fmt);
+ if (fs_polarity < 0)
+ return fs_polarity;
+
+ ctx->ssp_cmd.frame_sync_polarity = fs_polarity;
+
+ return 0;
+}
+
/**
* sst_ssp_config - contains SSP configuration for media UC
+ * this can be overwritten by set_dai_xxx APIs
*/
static const struct sst_ssp_config sst_ssp_configs = {
.ssp_id = SSP_CODEC,
@@ -789,47 +901,56 @@ static const struct sst_ssp_config sst_ssp_configs = {
.fs_frequency = SSP_FS_48_KHZ,
.active_slot_map = 0xF,
.start_delay = 0,
+ .frame_sync_polarity = SSP_FS_ACTIVE_HIGH,
+ .data_polarity = 1,
};
+void sst_fill_ssp_defaults(struct snd_soc_dai *dai)
+{
+ const struct sst_ssp_config *config;
+ struct sst_data *ctx = snd_soc_dai_get_drvdata(dai);
+
+ config = &sst_ssp_configs;
+
+ ctx->ssp_cmd.selection = config->ssp_id;
+ ctx->ssp_cmd.nb_bits_per_slots = config->bits_per_slot;
+ ctx->ssp_cmd.nb_slots = config->slots;
+ ctx->ssp_cmd.mode = config->ssp_mode | (config->pcm_mode << 1);
+ ctx->ssp_cmd.duplex = config->duplex;
+ ctx->ssp_cmd.active_tx_slot_map = config->active_slot_map;
+ ctx->ssp_cmd.active_rx_slot_map = config->active_slot_map;
+ ctx->ssp_cmd.frame_sync_frequency = config->fs_frequency;
+ ctx->ssp_cmd.frame_sync_polarity = config->frame_sync_polarity;
+ ctx->ssp_cmd.data_polarity = config->data_polarity;
+ ctx->ssp_cmd.frame_sync_width = config->fs_width;
+ ctx->ssp_cmd.ssp_protocol = config->ssp_protocol;
+ ctx->ssp_cmd.start_delay = config->start_delay;
+ ctx->ssp_cmd.reserved1 = ctx->ssp_cmd.reserved2 = 0xFF;
+}
+
int send_ssp_cmd(struct snd_soc_dai *dai, const char *id, bool enable)
{
- struct sst_cmd_sba_hw_set_ssp cmd;
struct sst_data *drv = snd_soc_dai_get_drvdata(dai);
const struct sst_ssp_config *config;
dev_info(dai->dev, "Enter: enable=%d port_name=%s\n", enable, id);
- SST_FILL_DEFAULT_DESTINATION(cmd.header.dst);
- cmd.header.command_id = SBA_HW_SET_SSP;
- cmd.header.length = sizeof(struct sst_cmd_sba_hw_set_ssp)
+ SST_FILL_DEFAULT_DESTINATION(drv->ssp_cmd.header.dst);
+ drv->ssp_cmd.header.command_id = SBA_HW_SET_SSP;
+ drv->ssp_cmd.header.length = sizeof(struct sst_cmd_sba_hw_set_ssp)
- sizeof(struct sst_dsp_header);
config = &sst_ssp_configs;
dev_dbg(dai->dev, "ssp_id: %u\n", config->ssp_id);
if (enable)
- cmd.switch_state = SST_SWITCH_ON;
+ drv->ssp_cmd.switch_state = SST_SWITCH_ON;
else
- cmd.switch_state = SST_SWITCH_OFF;
-
- cmd.selection = config->ssp_id;
- cmd.nb_bits_per_slots = config->bits_per_slot;
- cmd.nb_slots = config->slots;
- cmd.mode = config->ssp_mode | (config->pcm_mode << 1);
- cmd.duplex = config->duplex;
- cmd.active_tx_slot_map = config->active_slot_map;
- cmd.active_rx_slot_map = config->active_slot_map;
- cmd.frame_sync_frequency = config->fs_frequency;
- cmd.frame_sync_polarity = SSP_FS_ACTIVE_HIGH;
- cmd.data_polarity = 1;
- cmd.frame_sync_width = config->fs_width;
- cmd.ssp_protocol = config->ssp_protocol;
- cmd.start_delay = config->start_delay;
- cmd.reserved1 = cmd.reserved2 = 0xFF;
+ drv->ssp_cmd.switch_state = SST_SWITCH_OFF;
return sst_fill_and_send_cmd(drv, SST_IPC_IA_CMD, SST_FLAG_BLOCKED,
- SST_TASK_SBA, 0, &cmd,
- sizeof(cmd.header) + cmd.header.length);
+ SST_TASK_SBA, 0, &drv->ssp_cmd,
+ sizeof(drv->ssp_cmd.header) + drv->ssp_cmd.header.length);
}
static int sst_set_be_modules(struct snd_soc_dapm_widget *w,