* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
+ * In the dpcm driver modelling when a particular FE/BE/Mixer/Pipe is active
+ * we forward the settings and parameters, rest we keep the values in
+ * driver and forward when DAPM enables them
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
return ret;
}
+/**
+ * tx map value is a bitfield where each bit represents a FW channel
+ *
+ * 3 2 1 0 # 0 = codec0, 1 = codec1
+ * RLRLRLRL # 3, 4 = reserved
+ *
+ * e.g. slot 0 rx map = 00001100b -> data from slot 0 goes into codec_in1 L,R
+ */
+static u8 sst_ssp_tx_map[SST_MAX_TDM_SLOTS] = {
+ 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, /* default rx map */
+};
+
+/**
+ * rx map value is a bitfield where each bit represents a slot
+ *
+ * 76543210 # 0 = slot 0, 1 = slot 1
+ *
+ * e.g. codec1_0 tx map = 00000101b -> data from codec_out1_0 goes into slot 0, 2
+ */
+static u8 sst_ssp_rx_map[SST_MAX_TDM_SLOTS] = {
+ 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, /* default tx map */
+};
+
+/**
+ * NOTE: this is invoked with lock held
+ */
+static int sst_send_slot_map(struct sst_data *drv)
+{
+ struct sst_param_sba_ssp_slot_map cmd;
+
+ SST_FILL_DEFAULT_DESTINATION(cmd.header.dst);
+ cmd.header.command_id = SBA_SET_SSP_SLOT_MAP;
+ cmd.header.length = sizeof(struct sst_param_sba_ssp_slot_map)
+ - sizeof(struct sst_dsp_header);
+
+ cmd.param_id = SBA_SET_SSP_SLOT_MAP;
+ cmd.param_len = sizeof(cmd.rx_slot_map) + sizeof(cmd.tx_slot_map)
+ + sizeof(cmd.ssp_index);
+ cmd.ssp_index = SSP_CODEC;
+
+ memcpy(cmd.rx_slot_map, &sst_ssp_tx_map[0], sizeof(cmd.rx_slot_map));
+ memcpy(cmd.tx_slot_map, &sst_ssp_rx_map[0], sizeof(cmd.tx_slot_map));
+
+ return sst_fill_and_send_cmd_unlocked(drv, SST_IPC_IA_SET_PARAMS,
+ SST_FLAG_BLOCKED, SST_TASK_SBA, 0, &cmd,
+ sizeof(cmd.header) + cmd.header.length);
+}
+
+int sst_slot_enum_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ struct sst_enum *e = (struct sst_enum *)kcontrol->private_value;
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->count = 1;
+ uinfo->value.enumerated.items = e->max;
+
+ if (uinfo->value.enumerated.item > e->max - 1)
+ uinfo->value.enumerated.item = e->max - 1;
+ strcpy(uinfo->value.enumerated.name,
+ e->texts[uinfo->value.enumerated.item]);
+
+ return 0;
+}
+
+/**
+ * sst_slot_get - get the status of the interleaver/deinterleaver control
+ *
+ * Searches the map where the control status is stored, and gets the
+ * channel/slot which is currently set for this enumerated control. Since it is
+ * an enumerated control, there is only one possible value.
+ */
+static int sst_slot_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct sst_enum *e = (void *)kcontrol->private_value;
+ struct snd_soc_component *c = snd_kcontrol_chip(kcontrol);
+ struct sst_data *drv = snd_soc_component_get_drvdata(c);
+ unsigned int ctl_no = e->reg;
+ unsigned int is_tx = e->tx;
+ unsigned int val, mux;
+ u8 *map = is_tx ? sst_ssp_rx_map : sst_ssp_tx_map;
+
+ mutex_lock(&drv->lock);
+ val = 1 << ctl_no;
+ /* search which slot/channel has this bit set - there should be only one */
+ for (mux = e->max; mux > 0; mux--)
+ if (map[mux - 1] & val)
+ break;
+
+ ucontrol->value.enumerated.item[0] = mux;
+ mutex_unlock(&drv->lock);
+
+ dev_dbg(c->dev, "%s - %s map = %#x\n",
+ is_tx ? "tx channel" : "rx slot",
+ e->texts[mux], mux ? map[mux - 1] : -1);
+ return 0;
+}
+
+/* sst_check_and_send_slot_map - helper for checking power state and sending
+ * slot map cmd
+ *
+ * called with lock held
+ */
+static int sst_check_and_send_slot_map(struct sst_data *drv, struct snd_kcontrol *kcontrol)
+{
+ struct sst_enum *e = (void *)kcontrol->private_value;
+ int ret = 0;
+
+ if (e->w && e->w->power)
+ ret = sst_send_slot_map(drv);
+ else
+ dev_err(&drv->pdev->dev, "Slot control: %s doesn't have DAPM widget!!!\n",
+ kcontrol->id.name);
+ return ret;
+}
+
+/**
+ * sst_slot_put - set the status of interleaver/deinterleaver control
+ *
+ * (de)interleaver controls are defined in opposite sense to be user-friendly
+ *
+ * Instead of the enum value being the value written to the register, it is the
+ * register address; and the kcontrol number (register num) is the value written
+ * to the register. This is so that there can be only one value for each
+ * slot/channel since there is only one control for each slot/channel.
+ *
+ * This means that whenever an enum is set, we need to clear the bit
+ * for that kcontrol_no for all the interleaver OR deinterleaver registers
+ */
+static int sst_slot_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *c = snd_soc_kcontrol_component(kcontrol);
+ struct sst_data *drv = snd_soc_component_get_drvdata(c);
+ struct sst_enum *e = (void *)kcontrol->private_value;
+ int i, ret = 0;
+ unsigned int ctl_no = e->reg;
+ unsigned int is_tx = e->tx;
+ unsigned int slot_channel_no;
+ unsigned int val, mux;
+ u8 *map;
+
+ map = is_tx ? sst_ssp_rx_map : sst_ssp_tx_map;
+
+ val = 1 << ctl_no;
+ mux = ucontrol->value.enumerated.item[0];
+ if (mux > e->max - 1)
+ return -EINVAL;
+
+ mutex_lock(&drv->lock);
+ /* first clear all registers of this bit */
+ for (i = 0; i < e->max; i++)
+ map[i] &= ~val;
+
+ if (mux == 0) {
+ /* kctl set to 'none' and we reset the bits so send IPC */
+ ret = sst_check_and_send_slot_map(drv, kcontrol);
+
+ mutex_unlock(&drv->lock);
+ return ret;
+ }
+
+ /* offset by one to take "None" into account */
+ slot_channel_no = mux - 1;
+ map[slot_channel_no] |= val;
+
+ dev_dbg(c->dev, "%s %s map = %#x\n",
+ is_tx ? "tx channel" : "rx slot",
+ e->texts[mux], map[slot_channel_no]);
+
+ ret = sst_check_and_send_slot_map(drv, kcontrol);
+
+ mutex_unlock(&drv->lock);
+ return ret;
+}
+
static int sst_send_algo_cmd(struct sst_data *drv,
struct sst_algo_control *bc)
{
return ret;
}
+/**
+ * sst_find_and_send_pipe_algo - send all the algo parameters for a pipe
+ *
+ * The algos which are in each pipeline are sent to the firmware one by one
+ *
+ * Called with lock held
+ */
+static int sst_find_and_send_pipe_algo(struct sst_data *drv,
+ const char *pipe, struct sst_ids *ids)
+{
+ int ret = 0;
+ struct sst_algo_control *bc;
+ struct sst_module *algo = NULL;
+
+ dev_dbg(&drv->pdev->dev, "Enter: widget=%s\n", pipe);
+
+ list_for_each_entry(algo, &ids->algo_list, node) {
+ bc = (void *)algo->kctl->private_value;
+
+ dev_dbg(&drv->pdev->dev, "Found algo control name=%s pipe=%s\n",
+ algo->kctl->id.name, pipe);
+ ret = sst_send_algo_cmd(drv, bc);
+ if (ret)
+ return ret;
+ }
+ return ret;
+}
+
static int sst_algo_bytes_ctl_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
return ret;
}
+static int sst_set_pipe_gain(struct sst_ids *ids,
+ struct sst_data *drv, int mute);
+
+static int sst_send_pipe_module_params(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol)
+{
+ struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
+ struct sst_data *drv = snd_soc_component_get_drvdata(c);
+ struct sst_ids *ids = w->priv;
+
+ mutex_lock(&drv->lock);
+ sst_find_and_send_pipe_algo(drv, w->name, ids);
+ sst_set_pipe_gain(ids, drv, 0);
+ mutex_unlock(&drv->lock);
+
+ return 0;
+}
+
+static int sst_generic_modules_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ return sst_send_pipe_module_params(w, k);
+ return 0;
+}
+
static const DECLARE_TLV_DB_SCALE(sst_gain_tlv_common, SST_GAIN_MIN_VALUE * 10, 10, 0);
+/* Look up table to convert MIXER SW bit regs to SWM inputs */
+static const uint swm_mixer_input_ids[SST_SWM_INPUT_COUNT] = {
+ [SST_IP_CODEC0] = SST_SWM_IN_CODEC0,
+ [SST_IP_CODEC1] = SST_SWM_IN_CODEC1,
+ [SST_IP_LOOP0] = SST_SWM_IN_SPROT_LOOP,
+ [SST_IP_LOOP1] = SST_SWM_IN_MEDIA_LOOP1,
+ [SST_IP_LOOP2] = SST_SWM_IN_MEDIA_LOOP2,
+ [SST_IP_PCM0] = SST_SWM_IN_PCM0,
+ [SST_IP_PCM1] = SST_SWM_IN_PCM1,
+ [SST_IP_MEDIA0] = SST_SWM_IN_MEDIA0,
+ [SST_IP_MEDIA1] = SST_SWM_IN_MEDIA1,
+ [SST_IP_MEDIA2] = SST_SWM_IN_MEDIA2,
+ [SST_IP_MEDIA3] = SST_SWM_IN_MEDIA3,
+};
+
+/**
+ * called with lock held
+ */
+static int sst_set_pipe_gain(struct sst_ids *ids,
+ struct sst_data *drv, int mute)
+{
+ int ret = 0;
+ struct sst_gain_mixer_control *mc;
+ struct sst_gain_value *gv;
+ struct sst_module *gain = NULL;
+
+ list_for_each_entry(gain, &ids->gain_list, node) {
+ struct snd_kcontrol *kctl = gain->kctl;
+
+ dev_dbg(&drv->pdev->dev, "control name=%s\n", kctl->id.name);
+ mc = (void *)kctl->private_value;
+ gv = mc->gain_val;
+
+ ret = sst_send_gain_cmd(drv, gv, mc->task_id,
+ mc->pipe_id | mc->instance_id, mc->module_id, mute);
+ if (ret)
+ return ret;
+ }
+ return ret;
+}
+
+/*
+ * sst_handle_vb_timer - Start/Stop the DSP scheduler
+ *
+ * The DSP expects first cmd to be SBA_VB_START, so at first startup send
+ * that.
+ * DSP expects last cmd to be SBA_VB_IDLE, so at last shutdown send that.
+ *
+ * Do refcount internally so that we send command only at first start
+ * and last end. Since SST driver does its own ref count, invoke sst's
+ * power ops always!
+ */
+int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable)
+{
+ int ret = 0;
+ struct sst_cmd_generic cmd;
+ struct sst_data *drv = snd_soc_dai_get_drvdata(dai);
+ static int timer_usage;
+
+ if (enable)
+ cmd.header.command_id = SBA_VB_START;
+ else
+ cmd.header.command_id = SBA_IDLE;
+ dev_dbg(dai->dev, "enable=%u, usage=%d\n", enable, timer_usage);
+
+ SST_FILL_DEFAULT_DESTINATION(cmd.header.dst);
+ cmd.header.length = 0;
+
+ if (enable) {
+ ret = sst->ops->power(sst->dev, true);
+ if (ret < 0)
+ return ret;
+ }
+
+ mutex_lock(&drv->lock);
+ if (enable)
+ timer_usage++;
+ else
+ timer_usage--;
+
+ /*
+ * Send the command only if this call is the first enable or last
+ * disable
+ */
+ if ((enable && (timer_usage == 1)) ||
+ (!enable && (timer_usage == 0))) {
+ ret = sst_fill_and_send_cmd_unlocked(drv, SST_IPC_IA_CMD,
+ SST_FLAG_BLOCKED, SST_TASK_SBA, 0, &cmd,
+ sizeof(cmd.header) + cmd.header.length);
+ if (ret && enable) {
+ timer_usage--;
+ enable = false;
+ }
+ }
+ mutex_unlock(&drv->lock);
+
+ if (!enable)
+ sst->ops->power(sst->dev, false);
+ return ret;
+}
+
+/**
+ * sst_ssp_config - contains SSP configuration for media UC
+ */
+static const struct sst_ssp_config sst_ssp_configs = {
+ .ssp_id = SSP_CODEC,
+ .bits_per_slot = 24,
+ .slots = 4,
+ .ssp_mode = SSP_MODE_MASTER,
+ .pcm_mode = SSP_PCM_MODE_NETWORK,
+ .duplex = SSP_DUPLEX,
+ .ssp_protocol = SSP_MODE_PCM,
+ .fs_width = 1,
+ .fs_frequency = SSP_FS_48_KHZ,
+ .active_slot_map = 0xF,
+ .start_delay = 0,
+};
+
+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)
+ - 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;
+ 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;
+
+ 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);
+}
+
+static int sst_set_be_modules(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ int ret = 0;
+ struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
+ struct sst_data *drv = snd_soc_component_get_drvdata(c);
+
+ dev_dbg(c->dev, "Enter: widget=%s\n", w->name);
+
+ if (SND_SOC_DAPM_EVENT_ON(event)) {
+ ret = sst_send_slot_map(drv);
+ if (ret)
+ return ret;
+ ret = sst_send_pipe_module_params(w, k);
+ }
+ return ret;
+}
+
+static int sst_set_media_path(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ int ret = 0;
+ struct sst_cmd_set_media_path cmd;
+ struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
+ struct sst_data *drv = snd_soc_component_get_drvdata(c);
+ struct sst_ids *ids = w->priv;
+
+ dev_dbg(c->dev, "widget=%s\n", w->name);
+ dev_dbg(c->dev, "task=%u, location=%#x\n",
+ ids->task_id, ids->location_id);
+
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ cmd.switch_state = SST_PATH_ON;
+ else
+ cmd.switch_state = SST_PATH_OFF;
+
+ SST_FILL_DESTINATION(2, cmd.header.dst,
+ ids->location_id, SST_DEFAULT_MODULE_ID);
+
+ /* MMX_SET_MEDIA_PATH == SBA_SET_MEDIA_PATH */
+ cmd.header.command_id = MMX_SET_MEDIA_PATH;
+ cmd.header.length = sizeof(struct sst_cmd_set_media_path)
+ - sizeof(struct sst_dsp_header);
+
+ ret = sst_fill_and_send_cmd(drv, SST_IPC_IA_CMD, SST_FLAG_BLOCKED,
+ ids->task_id, 0, &cmd,
+ sizeof(cmd.header) + cmd.header.length);
+ if (ret)
+ return ret;
+
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ ret = sst_send_pipe_module_params(w, k);
+ return ret;
+}
+
+static int sst_set_media_loop(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ int ret = 0;
+ struct sst_cmd_sba_set_media_loop_map cmd;
+ struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
+ struct sst_data *drv = snd_soc_component_get_drvdata(c);
+ struct sst_ids *ids = w->priv;
+
+ dev_dbg(c->dev, "Enter:widget=%s\n", w->name);
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ cmd.switch_state = SST_SWITCH_ON;
+ else
+ cmd.switch_state = SST_SWITCH_OFF;
+
+ SST_FILL_DESTINATION(2, cmd.header.dst,
+ ids->location_id, SST_DEFAULT_MODULE_ID);
+
+ cmd.header.command_id = SBA_SET_MEDIA_LOOP_MAP;
+ cmd.header.length = sizeof(struct sst_cmd_sba_set_media_loop_map)
+ - sizeof(struct sst_dsp_header);
+ cmd.param.part.cfg.rate = 2; /* 48khz */
+
+ cmd.param.part.cfg.format = ids->format; /* stereo/Mono */
+ cmd.param.part.cfg.s_length = 1; /* 24bit left justified */
+ cmd.map = 0; /* Algo sequence: Gain - DRP - FIR - IIR */
+
+ ret = sst_fill_and_send_cmd(drv, SST_IPC_IA_CMD, SST_FLAG_BLOCKED,
+ SST_TASK_SBA, 0, &cmd,
+ sizeof(cmd.header) + cmd.header.length);
+ if (ret)
+ return ret;
+
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ ret = sst_send_pipe_module_params(w, k);
+ return ret;
+}
+
+static const char * const slot_names[] = {
+ "none",
+ "slot 0", "slot 1", "slot 2", "slot 3",
+ "slot 4", "slot 5", "slot 6", "slot 7", /* not supported by FW */
+};
+
+static const char * const channel_names[] = {
+ "none",
+ "codec_out0_0", "codec_out0_1", "codec_out1_0", "codec_out1_1",
+ "codec_out2_0", "codec_out2_1", "codec_out3_0", "codec_out3_1", /* not supported by FW */
+};
+
+#define SST_INTERLEAVER(xpname, slot_name, slotno) \
+ SST_SSP_SLOT_CTL(xpname, "tx interleaver", slot_name, slotno, true, \
+ channel_names, sst_slot_get, sst_slot_put)
+
+#define SST_DEINTERLEAVER(xpname, channel_name, channel_no) \
+ SST_SSP_SLOT_CTL(xpname, "rx deinterleaver", channel_name, channel_no, false, \
+ slot_names, sst_slot_get, sst_slot_put)
+
+static const struct snd_kcontrol_new sst_slot_controls[] = {
+ SST_INTERLEAVER("codec_out", "slot 0", 0),
+ SST_INTERLEAVER("codec_out", "slot 1", 1),
+ SST_INTERLEAVER("codec_out", "slot 2", 2),
+ SST_INTERLEAVER("codec_out", "slot 3", 3),
+ SST_DEINTERLEAVER("codec_in", "codec_in0_0", 0),
+ SST_DEINTERLEAVER("codec_in", "codec_in0_1", 1),
+ SST_DEINTERLEAVER("codec_in", "codec_in1_0", 2),
+ SST_DEINTERLEAVER("codec_in", "codec_in1_1", 3),
+};
+
/* Gain helper with min/max set */
#define SST_GAIN(name, path_id, task_id, instance, gain_var) \
SST_GAIN_KCONTROLS(name, "Gain", SST_GAIN_MIN_VALUE, SST_GAIN_MAX_VALUE, \
return 0;
}
+static bool is_sst_dapm_widget(struct snd_soc_dapm_widget *w)
+{
+ switch (w->id) {
+ case snd_soc_dapm_pga:
+ case snd_soc_dapm_aif_in:
+ case snd_soc_dapm_aif_out:
+ case snd_soc_dapm_input:
+ case snd_soc_dapm_output:
+ case snd_soc_dapm_mixer:
+ return true;
+ default:
+ return false;
+ }
+}
+
+/**
+ * sst_send_pipe_gains - send gains for the front-end DAIs
+ *
+ * The gains in the pipes connected to the front-ends are muted/unmuted
+ * automatically via the digital_mute() DAPM callback. This function sends the
+ * gains for the front-end pipes.
+ */
+int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute)
+{
+ struct sst_data *drv = snd_soc_dai_get_drvdata(dai);
+ struct snd_soc_dapm_widget *w;
+ struct snd_soc_dapm_path *p = NULL;
+
+ dev_dbg(dai->dev, "enter, dai-name=%s dir=%d\n", dai->name, stream);
+
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ dev_dbg(dai->dev, "Stream name=%s\n",
+ dai->playback_widget->name);
+ w = dai->playback_widget;
+ list_for_each_entry(p, &w->sinks, list_source) {
+ if (p->connected && !p->connected(w, p->sink))
+ continue;
+
+ if (p->connect && p->sink->power &&
+ is_sst_dapm_widget(p->sink)) {
+ struct sst_ids *ids = p->sink->priv;
+
+ dev_dbg(dai->dev, "send gains for widget=%s\n",
+ p->sink->name);
+ mutex_lock(&drv->lock);
+ sst_set_pipe_gain(ids, drv, mute);
+ mutex_unlock(&drv->lock);
+ }
+ }
+ } else {
+ dev_dbg(dai->dev, "Stream name=%s\n",
+ dai->capture_widget->name);
+ w = dai->capture_widget;
+ list_for_each_entry(p, &w->sources, list_sink) {
+ if (p->connected && !p->connected(w, p->sink))
+ continue;
+
+ if (p->connect && p->source->power &&
+ is_sst_dapm_widget(p->source)) {
+ struct sst_ids *ids = p->source->priv;
+
+ dev_dbg(dai->dev, "send gain for widget=%s\n",
+ p->source->name);
+ mutex_lock(&drv->lock);
+ sst_set_pipe_gain(ids, drv, mute);
+ mutex_unlock(&drv->lock);
+ }
+ }
+ }
+ return 0;
+}
+
+/**
+ * sst_fill_module_list - populate the list of modules/gains for a pipe
+ *
+ *
+ * Fills the widget pointer in the kcontrol private data, and also fills the
+ * kcontrol pointer in the widget private data.
+ *
+ * Widget pointer is used to send the algo/gain in the .put() handler if the
+ * widget is powerd on.
+ *
+ * Kcontrol pointer is used to send the algo/gain in the widget power ON/OFF
+ * event handler. Each widget (pipe) has multiple algos stored in the algo_list.
+ */
+static int sst_fill_module_list(struct snd_kcontrol *kctl,
+ struct snd_soc_dapm_widget *w, int type)
+{
+ struct sst_module *module = NULL;
+ struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
+ struct sst_ids *ids = w->priv;
+ int ret = 0;
+
+ module = devm_kzalloc(c->dev, sizeof(*module), GFP_KERNEL);
+ if (!module)
+ return -ENOMEM;
+
+ if (type == SST_MODULE_GAIN) {
+ struct sst_gain_mixer_control *mc = (void *)kctl->private_value;
+
+ mc->w = w;
+ module->kctl = kctl;
+ list_add_tail(&module->node, &ids->gain_list);
+ } else if (type == SST_MODULE_ALGO) {
+ struct sst_algo_control *bc = (void *)kctl->private_value;
+
+ bc->w = w;
+ module->kctl = kctl;
+ list_add_tail(&module->node, &ids->algo_list);
+ } else {
+ dev_err(c->dev, "invoked for unknown type %d module %s",
+ type, kctl->id.name);
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+/**
+ * sst_fill_widget_module_info - fill list of gains/algos for the pipe
+ * @widget: pipe modelled as a DAPM widget
+ *
+ * Fill the list of gains/algos for the widget by looking at all the card
+ * controls and comparing the name of the widget with the first part of control
+ * name. First part of control name contains the pipe name (widget name).
+ */
+static int sst_fill_widget_module_info(struct snd_soc_dapm_widget *w,
+ struct snd_soc_platform *platform)
+{
+ struct snd_kcontrol *kctl;
+ int index, ret = 0;
+ struct snd_card *card = platform->component.card->snd_card;
+ char *idx;
+
+ down_read(&card->controls_rwsem);
+
+ list_for_each_entry(kctl, &card->controls, list) {
+ idx = strstr(kctl->id.name, " ");
+ if (idx == NULL)
+ continue;
+ index = strlen(kctl->id.name) - strlen(idx);
+
+ if (strstr(kctl->id.name, "Volume") &&
+ !strncmp(kctl->id.name, w->name, index))
+ ret = sst_fill_module_list(kctl, w, SST_MODULE_GAIN);
+
+ else if (strstr(kctl->id.name, "params") &&
+ !strncmp(kctl->id.name, w->name, index))
+ ret = sst_fill_module_list(kctl, w, SST_MODULE_ALGO);
+
+ else if (strstr(kctl->id.name, "Switch") &&
+ !strncmp(kctl->id.name, w->name, index) &&
+ strstr(kctl->id.name, "Gain")) {
+ struct sst_gain_mixer_control *mc =
+ (void *)kctl->private_value;
+
+ mc->w = w;
+
+ } else if (strstr(kctl->id.name, "interleaver") &&
+ !strncmp(kctl->id.name, w->name, index)) {
+ struct sst_enum *e = (void *)kctl->private_value;
+
+ e->w = w;
+
+ } else if (strstr(kctl->id.name, "deinterleaver") &&
+ !strncmp(kctl->id.name, w->name, index)) {
+
+ struct sst_enum *e = (void *)kctl->private_value;
+
+ e->w = w;
+ }
+
+ if (ret < 0) {
+ up_read(&card->controls_rwsem);
+ return ret;
+ }
+ }
+
+ up_read(&card->controls_rwsem);
+ return 0;
+}
+
+/**
+ * sst_fill_linked_widgets - fill the parent pointer for the linked widget
+ */
+static void sst_fill_linked_widgets(struct snd_soc_platform *platform,
+ struct sst_ids *ids)
+{
+ struct snd_soc_dapm_widget *w;
+ unsigned int len = strlen(ids->parent_wname);
+
+ list_for_each_entry(w, &platform->component.card->widgets, list) {
+ if (!strncmp(ids->parent_wname, w->name, len)) {
+ ids->parent_w = w;
+ break;
+ }
+ }
+}
+
+/**
+ * sst_map_modules_to_pipe - fill algo/gains list for all pipes
+ */
+static int sst_map_modules_to_pipe(struct snd_soc_platform *platform)
+{
+ struct snd_soc_dapm_widget *w;
+ int ret = 0;
+
+ list_for_each_entry(w, &platform->component.card->widgets, list) {
+ if (platform && is_sst_dapm_widget(w) && (w->priv)) {
+ struct sst_ids *ids = w->priv;
+
+ dev_dbg(platform->dev, "widget type=%d name=%s\n",
+ w->id, w->name);
+ INIT_LIST_HEAD(&ids->algo_list);
+ INIT_LIST_HEAD(&ids->gain_list);
+ ret = sst_fill_widget_module_info(w, platform);
+
+ if (ret < 0)
+ return ret;
+
+ /* fill linked widgets */
+ if (ids->parent_wname != NULL)
+ sst_fill_linked_widgets(platform, ids);
+ }
+ }
+ return 0;
+}
+
int sst_dsp_init_v2_dpcm(struct snd_soc_platform *platform)
{
int i, ret = 0;
return ret;
ret = snd_soc_add_platform_controls(platform, sst_algo_controls,
ARRAY_SIZE(sst_algo_controls));
+ if (ret)
+ return ret;
+
+ ret = snd_soc_add_platform_controls(platform, sst_slot_controls,
+ ARRAY_SIZE(sst_slot_controls));
+ if (ret)
+ return ret;
+
+ ret = sst_map_modules_to_pipe(platform);
return ret;
}
projects / karo-tx-linux.git / blobdiff