Update to suppress some DT nodes that can be handled in driver using compatible string. "dai-name", "st,version"and "st,mode" are suppressed "st,tdm-mode" is added to handle TDM mode.
Signed-off-by: Arnaud Pouliquen arnaud.pouliquen@st.com --- sound/soc/sti/sti_uniperif.c | 130 +++++++++++++++++++++++++++++++++------- sound/soc/sti/uniperif.h | 28 ++++----- sound/soc/sti/uniperif_player.c | 79 +++++------------------- sound/soc/sti/uniperif_reader.c | 46 +------------- 4 files changed, 140 insertions(+), 143 deletions(-)
diff --git a/sound/soc/sti/sti_uniperif.c b/sound/soc/sti/sti_uniperif.c index 488ef4e..549fac3 100644 --- a/sound/soc/sti/sti_uniperif.c +++ b/sound/soc/sti/sti_uniperif.c @@ -19,6 +19,84 @@ #define UNIPERIF_MAX_FRAME_SZ 0x20 #define UNIPERIF_ALLOWED_FRAME_SZ (0x08 | 0x10 | 0x18 | UNIPERIF_MAX_FRAME_SZ)
+struct sti_uniperiph_dev_data { + unsigned int id; /* Nb available player instances */ + unsigned int version; /* player IP version */ + unsigned int stream; + const char *dai_names; + enum uniperif_type type; +}; + +static const struct sti_uniperiph_dev_data sti_uniplayer_hdmi = { + .id = 0, + .version = SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0, + .stream = SNDRV_PCM_STREAM_PLAYBACK, + .dai_names = "Uni Player #0 (HDMI)", + .type = SND_ST_UNIPERIF_TYPE_HDMI +}; + +static const struct sti_uniperiph_dev_data sti_uniplayer_pcm_out = { + .id = 1, + .version = SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0, + .stream = SNDRV_PCM_STREAM_PLAYBACK, + .dai_names = "Uni Player #1 (PCM OUT)", + .type = SND_ST_UNIPERIF_TYPE_PCM | SND_ST_UNIPERIF_TYPE_TDM, +}; + +static const struct sti_uniperiph_dev_data sti_uniplayer_dac = { + .id = 2, + .version = SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0, + .stream = SNDRV_PCM_STREAM_PLAYBACK, + .dai_names = "Uni Player #2 (DAC)", + .type = SND_ST_UNIPERIF_TYPE_PCM, +}; + +static const struct sti_uniperiph_dev_data sti_uniplayer_spdif = { + .id = 3, + .version = SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0, + .stream = SNDRV_PCM_STREAM_PLAYBACK, + .dai_names = "Uni Player #3 (SPDIF)", + .type = SND_ST_UNIPERIF_TYPE_SPDIF +}; + +static const struct sti_uniperiph_dev_data sti_unireader_pcm_in = { + .id = 0, + .version = SND_ST_UNIPERIF_VERSION_UNI_RDR_1_0, + .stream = SNDRV_PCM_STREAM_CAPTURE, + .dai_names = "Uni Reader #0 (PCM IN)", + .type = SND_ST_UNIPERIF_TYPE_PCM | SND_ST_UNIPERIF_TYPE_TDM, +}; + +static const struct sti_uniperiph_dev_data sti_unireader_hdmi_in = { + .id = 1, + .version = SND_ST_UNIPERIF_VERSION_UNI_RDR_1_0, + .stream = SNDRV_PCM_STREAM_CAPTURE, + .dai_names = "Uni Reader #1 (HDMI IN)", + .type = SND_ST_UNIPERIF_TYPE_PCM, +}; + +static const struct of_device_id snd_soc_sti_match[] = { + { .compatible = "st,stih407-uni-player-hdmi", + .data = &sti_uniplayer_hdmi + }, + { .compatible = "st,stih407-uni-player-pcm-out", + .data = &sti_uniplayer_pcm_out + }, + { .compatible = "st,stih407-uni-player-dac", + .data = &sti_uniplayer_dac + }, + { .compatible = "st,stih407-uni-player-spdif", + .data = &sti_uniplayer_spdif + }, + { .compatible = "st,stih407-uni-reader-pcm_in", + .data = &sti_unireader_pcm_in + }, + { .compatible = "st,stih407-uni-reader-hdmi", + .data = &sti_unireader_hdmi_in + }, + {}, +}; + int sti_uniperiph_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) @@ -167,8 +245,8 @@ static int sti_uniperiph_dai_create_ctrl(struct snd_soc_dai *dai) * Uniperipheral instance ID */ ctrl = &uni->snd_ctrls[i]; - ctrl->index = uni->info->id; - ctrl->device = uni->info->id; + ctrl->index = uni->id; + ctrl->device = uni->id; }
return snd_soc_add_dai_controls(dai, uni->snd_ctrls, uni->num_ctrls); @@ -186,7 +264,7 @@ int sti_uniperiph_dai_hw_params(struct snd_pcm_substream *substream, struct snd_dmaengine_dai_dma_data *dma_data; int transfer_size;
- if (uni->info->type == SND_ST_UNIPERIF_TYPE_TDM) + if (uni->type == SND_ST_UNIPERIF_TYPE_TDM) /* transfer size = user frame size (in 32-bits FIFO cell) */ transfer_size = snd_soc_params_to_frame_size(params) / 32; else @@ -235,7 +313,7 @@ static int sti_uniperiph_dai_resume(struct snd_soc_dai *dai) struct uniperif *uni = priv->dai_data.uni; int ret;
- if (of_device_is_compatible(dai->dev->of_node, "st,sti-uni-player")) { + if (priv->dai_data.stream == SNDRV_PCM_STREAM_PLAYBACK) { ret = uni_player_resume(uni); if (ret) return ret; @@ -256,7 +334,7 @@ static int sti_uniperiph_dai_probe(struct snd_soc_dai *dai) struct sti_uniperiph_dai *dai_data = &priv->dai_data;
/* DMA settings*/ - if (of_device_is_compatible(dai->dev->of_node, "st,sti-uni-player")) + if (priv->dai_data.stream == SNDRV_PCM_STREAM_PLAYBACK) snd_soc_dai_init_dma_data(dai, &dai_data->dma_data, NULL); else snd_soc_dai_init_dma_data(dai, NULL, &dai_data->dma_data); @@ -280,25 +358,32 @@ static const struct snd_soc_component_driver sti_uniperiph_dai_component = { static int sti_uniperiph_cpu_dai_of(struct device_node *node, struct sti_uniperiph_data *priv) { - const char *str; - int ret; struct device *dev = &priv->pdev->dev; struct sti_uniperiph_dai *dai_data = &priv->dai_data; struct snd_soc_dai_driver *dai = priv->dai; struct snd_soc_pcm_stream *stream; struct uniperif *uni; + const struct of_device_id *of_id; + const struct sti_uniperiph_dev_data *dev_data; + const char *mode; + + /* Populate data structure depending on compatibility */ + of_id = of_match_node(snd_soc_sti_match, node); + if (!of_id->data) { + dev_err(dev, "data associated to device is missing"); + return -EINVAL; + } + dev_data = (struct sti_uniperiph_dev_data *)of_id->data;
uni = devm_kzalloc(dev, sizeof(*uni), GFP_KERNEL); if (!uni) return -ENOMEM;
+ uni->id = dev_data->id; + uni->ver = dev_data->version; + *dai = sti_uniperiph_dai_template; - ret = of_property_read_string(node, "dai-name", &str); - if (ret < 0) { - dev_err(dev, "%s: dai name missing.\n", __func__); - return -EINVAL; - } - dai->name = str; + dai->name = dev_data->dai_names;
/* Get resources */ uni->mem_region = platform_get_resource(priv->pdev, IORESOURCE_MEM, 0); @@ -322,9 +407,20 @@ static int sti_uniperiph_cpu_dai_of(struct device_node *node, return -ENXIO; }
+ uni->type = dev_data->type; + + /* check if player should be configured for tdm */ + if (dev_data->type & SND_ST_UNIPERIF_TYPE_TDM) { + if (!of_property_read_string(node, "st,tdm-mode", &mode)) + uni->type = SND_ST_UNIPERIF_TYPE_TDM; + else + uni->type = SND_ST_UNIPERIF_TYPE_PCM; + } + dai_data->uni = uni; + dai_data->stream = dev_data->stream;
- if (of_device_is_compatible(node, "st,sti-uni-player")) { + if (priv->dai_data.stream == SNDRV_PCM_STREAM_PLAYBACK) { uni_player_init(priv->pdev, uni); stream = &dai->playback; } else { @@ -376,12 +472,6 @@ static int sti_uniperiph_probe(struct platform_device *pdev) &dmaengine_pcm_config, 0); }
-static const struct of_device_id snd_soc_sti_match[] = { - { .compatible = "st,sti-uni-player", }, - { .compatible = "st,sti-uni-reader", }, - {}, -}; - static struct platform_driver sti_uniperiph_driver = { .driver = { .name = "sti-uniperiph-dai", diff --git a/sound/soc/sti/uniperif.h b/sound/soc/sti/uniperif.h index eb9933c..1993c65 100644 --- a/sound/soc/sti/uniperif.h +++ b/sound/soc/sti/uniperif.h @@ -1220,16 +1220,16 @@ #define UNIPERIF_FIFO_FRAMES 4 /* FDMA trigger limit in frames */
#define UNIPERIF_TYPE_IS_HDMI(p) \ - ((p)->info->type == SND_ST_UNIPERIF_TYPE_HDMI) + ((p)->type == SND_ST_UNIPERIF_TYPE_HDMI) #define UNIPERIF_TYPE_IS_PCM(p) \ - ((p)->info->type == SND_ST_UNIPERIF_TYPE_PCM) + ((p)->type == SND_ST_UNIPERIF_TYPE_PCM) #define UNIPERIF_TYPE_IS_SPDIF(p) \ - ((p)->info->type == SND_ST_UNIPERIF_TYPE_SPDIF) + ((p)->type == SND_ST_UNIPERIF_TYPE_SPDIF) #define UNIPERIF_TYPE_IS_IEC958(p) \ (UNIPERIF_TYPE_IS_HDMI(p) || \ UNIPERIF_TYPE_IS_SPDIF(p)) #define UNIPERIF_TYPE_IS_TDM(p) \ - ((p)->info->type == SND_ST_UNIPERIF_TYPE_TDM) + ((p)->type == SND_ST_UNIPERIF_TYPE_TDM)
/* * Uniperipheral IP revisions @@ -1249,11 +1249,11 @@ enum uniperif_version { };
enum uniperif_type { - SND_ST_UNIPERIF_TYPE_NONE, - SND_ST_UNIPERIF_TYPE_HDMI, - SND_ST_UNIPERIF_TYPE_PCM, - SND_ST_UNIPERIF_TYPE_SPDIF, - SND_ST_UNIPERIF_TYPE_TDM + SND_ST_UNIPERIF_TYPE_NONE = 0x00, + SND_ST_UNIPERIF_TYPE_HDMI = 0x01, + SND_ST_UNIPERIF_TYPE_PCM = 0x02, + SND_ST_UNIPERIF_TYPE_SPDIF = 0x04, + SND_ST_UNIPERIF_TYPE_TDM = 0x08 };
enum uniperif_state { @@ -1278,12 +1278,6 @@ enum uniperif_word_pos { WORD_MAX };
-struct uniperif_info { - int id; /* instance value of the uniperipheral IP */ - enum uniperif_type type; - int underflow_enabled; /* Underflow recovery mode */ -}; - struct uniperif_iec958_settings { enum uniperif_iec958_encoding_mode encoding_mode; struct snd_aes_iec958 iec958; @@ -1298,8 +1292,10 @@ struct dai_tdm_slot {
struct uniperif { /* System information */ - struct uniperif_info *info; + enum uniperif_type type; + int underflow_enabled; /* Underflow recovery mode */ struct device *dev; + int id; /* instance value of the uniperipheral IP */ int ver; /* IP version, used by register access macros */ struct regmap_field *clk_sel; struct regmap_field *valid_sel; diff --git a/sound/soc/sti/uniperif_player.c b/sound/soc/sti/uniperif_player.c index 1ac2db2..645e415 100644 --- a/sound/soc/sti/uniperif_player.c +++ b/sound/soc/sti/uniperif_player.c @@ -100,7 +100,7 @@ static irqreturn_t uni_player_irq_handler(int irq, void *dev_id) dev_err(player->dev, "FIFO underflow error detected");
/* Interrupt is just for information when underflow recovery */ - if (player->info->underflow_enabled) { + if (player->underflow_enabled) { /* Update state to underflow */ player->state = UNIPERIF_STATE_UNDERFLOW;
@@ -134,7 +134,7 @@ static irqreturn_t uni_player_irq_handler(int irq, void *dev_id)
/* Check for underflow recovery done */ if (unlikely(status & UNIPERIF_ITM_UNDERFLOW_REC_DONE_MASK(player))) { - if (!player->info->underflow_enabled) { + if (!player->underflow_enabled) { dev_err(player->dev, "unexpected Underflow recovering"); return -EPERM; } @@ -764,7 +764,7 @@ static int uni_player_prepare(struct snd_pcm_substream *substream, }
/* Calculate transfer size (in fifo cells and bytes) for frame count */ - if (player->info->type == SND_ST_UNIPERIF_TYPE_TDM) { + if (player->type == SND_ST_UNIPERIF_TYPE_TDM) { /* transfer size = user frame size (in 32 bits FIFO cell) */ transfer_size = sti_uniperiph_get_user_frame_size(runtime) / 4; @@ -794,7 +794,7 @@ static int uni_player_prepare(struct snd_pcm_substream *substream, SET_UNIPERIF_CONFIG_DMA_TRIG_LIMIT(player, trigger_limit);
/* Uniperipheral setup depends on player type */ - switch (player->info->type) { + switch (player->type) { case SND_ST_UNIPERIF_TYPE_HDMI: ret = uni_player_prepare_iec958(player, runtime); break; @@ -884,7 +884,7 @@ static int uni_player_start(struct uniperif *player) SET_UNIPERIF_ITM_BSET_FIFO_ERROR(player);
/* Enable underflow recovery interrupts */ - if (player->info->underflow_enabled) { + if (player->underflow_enabled) { SET_UNIPERIF_ITM_BSET_UNDERFLOW_REC_DONE(player); SET_UNIPERIF_ITM_BSET_UNDERFLOW_REC_FAILED(player); } @@ -1021,8 +1021,8 @@ static int uni_player_parse_dt_audio_glue(struct platform_device *pdev, struct reg_field regfield[2] = { /* PCM_CLK_SEL */ REG_FIELD(SYS_CFG_AUDIO_GLUE, - 8 + player->info->id, - 8 + player->info->id), + 8 + player->id, + 8 + player->id), /* PCMP_VALID_SEL */ REG_FIELD(SYS_CFG_AUDIO_GLUE, 0, 1) }; @@ -1040,60 +1040,6 @@ static int uni_player_parse_dt_audio_glue(struct platform_device *pdev, return 0; }
-static int uni_player_parse_dt(struct platform_device *pdev, - struct uniperif *player) -{ - struct uniperif_info *info; - struct device *dev = &pdev->dev; - struct device_node *pnode = pdev->dev.of_node; - const char *mode; - - /* Allocate memory for the info structure */ - info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL); - if (!info) - return -ENOMEM; - - if (of_property_read_u32(pnode, "st,version", &player->ver) || - player->ver == SND_ST_UNIPERIF_VERSION_UNKNOWN) { - dev_err(dev, "Unknown uniperipheral version "); - return -EINVAL; - } - /* Underflow recovery is only supported on later ip revisions */ - if (player->ver >= SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0) - info->underflow_enabled = 1; - - if (of_property_read_u32(pnode, "st,uniperiph-id", &info->id)) { - dev_err(dev, "uniperipheral id not defined"); - return -EINVAL; - } - - /* Read the device mode property */ - if (of_property_read_string(pnode, "st,mode", &mode)) { - dev_err(dev, "uniperipheral mode not defined"); - return -EINVAL; - } - - if (strcasecmp(mode, "hdmi") == 0) - info->type = SND_ST_UNIPERIF_TYPE_HDMI; - else if (strcasecmp(mode, "pcm") == 0) - info->type = SND_ST_UNIPERIF_TYPE_PCM; - else if (strcasecmp(mode, "spdif") == 0) - info->type = SND_ST_UNIPERIF_TYPE_SPDIF; - else if (strcasecmp(mode, "tdm") == 0) - info->type = SND_ST_UNIPERIF_TYPE_TDM; - else - info->type = SND_ST_UNIPERIF_TYPE_NONE; - - /* Save the info structure */ - player->info = info; - - /* Get PCM_CLK_SEL & PCMP_VALID_SEL from audio-glue-ctrl SoC reg */ - if (uni_player_parse_dt_audio_glue(pdev, player)) - return -EINVAL; - - return 0; -} - static const struct snd_soc_dai_ops uni_player_dai_ops = { .startup = uni_player_startup, .shutdown = uni_player_shutdown, @@ -1114,13 +1060,18 @@ int uni_player_init(struct platform_device *pdev, player->state = UNIPERIF_STATE_STOPPED; player->dai_ops = &uni_player_dai_ops;
- ret = uni_player_parse_dt(pdev, player); + /* Get PCM_CLK_SEL & PCMP_VALID_SEL from audio-glue-ctrl SoC reg */ + ret = uni_player_parse_dt_audio_glue(pdev, player);
if (ret < 0) { dev_err(player->dev, "Failed to parse DeviceTree"); return ret; }
+ /* Underflow recovery is only supported on later ip revisions */ + if (player->ver >= SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0) + player->underflow_enabled = 1; + if (UNIPERIF_TYPE_IS_TDM(player)) player->hw = &uni_tdm_hw; else @@ -1144,8 +1095,8 @@ int uni_player_init(struct platform_device *pdev,
/* connect to I2S/TDM TX bus */ if (player->valid_sel && - (player->info->id == UNIPERIF_PLAYER_I2S_OUT)) { - ret = regmap_field_write(player->valid_sel, player->info->id); + (player->id == UNIPERIF_PLAYER_I2S_OUT)) { + ret = regmap_field_write(player->valid_sel, player->id); if (ret) { dev_err(player->dev, "%s: unable to connect to tdm bus", __func__); diff --git a/sound/soc/sti/uniperif_reader.c b/sound/soc/sti/uniperif_reader.c index eb74a32..0e1c3ee 100644 --- a/sound/soc/sti/uniperif_reader.c +++ b/sound/soc/sti/uniperif_reader.c @@ -13,6 +13,7 @@
#include "uniperif.h"
+#define UNIPERIF_READER_I2S_IN 0 /* reader id connected to I2S/TDM TX bus */ /* * Note: snd_pcm_hardware is linked to DMA controller but is declared here to * integrate unireader capability in term of rate and supported channels @@ -195,7 +196,7 @@ static int uni_reader_prepare(struct snd_pcm_substream *substream, }
/* Calculate transfer size (in fifo cells and bytes) for frame count */ - if (reader->info->type == SND_ST_UNIPERIF_TYPE_TDM) { + if (reader->type == SND_ST_UNIPERIF_TYPE_TDM) { /* transfer size = unip frame size (in 32 bits FIFO cell) */ transfer_size = sti_uniperiph_get_user_frame_size(runtime) / 4; @@ -280,7 +281,7 @@ static int uni_reader_prepare(struct snd_pcm_substream *substream, SET_UNIPERIF_ITM_BSET_MEM_BLK_READ(reader);
/* Enable underflow recovery interrupts */ - if (reader->info->underflow_enabled) { + if (reader->underflow_enabled) { SET_UNIPERIF_ITM_BSET_UNDERFLOW_REC_DONE(reader); SET_UNIPERIF_ITM_BSET_UNDERFLOW_REC_FAILED(reader); } @@ -394,41 +395,6 @@ static void uni_reader_shutdown(struct snd_pcm_substream *substream, } }
-static int uni_reader_parse_dt(struct platform_device *pdev, - struct uniperif *reader) -{ - struct uniperif_info *info; - struct device_node *node = pdev->dev.of_node; - const char *mode; - - /* Allocate memory for the info structure */ - info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); - if (!info) - return -ENOMEM; - - if (of_property_read_u32(node, "st,version", &reader->ver) || - reader->ver == SND_ST_UNIPERIF_VERSION_UNKNOWN) { - dev_err(&pdev->dev, "Unknown uniperipheral version "); - return -EINVAL; - } - - /* Read the device mode property */ - if (of_property_read_string(node, "st,mode", &mode)) { - dev_err(&pdev->dev, "uniperipheral mode not defined"); - return -EINVAL; - } - - if (strcasecmp(mode, "tdm") == 0) - info->type = SND_ST_UNIPERIF_TYPE_TDM; - else - info->type = SND_ST_UNIPERIF_TYPE_PCM; - - /* Save the info structure */ - reader->info = info; - - return 0; -} - static const struct snd_soc_dai_ops uni_reader_dai_ops = { .startup = uni_reader_startup, .shutdown = uni_reader_shutdown, @@ -448,12 +414,6 @@ int uni_reader_init(struct platform_device *pdev, reader->state = UNIPERIF_STATE_STOPPED; reader->dai_ops = &uni_reader_dai_ops;
- ret = uni_reader_parse_dt(pdev, reader); - if (ret < 0) { - dev_err(reader->dev, "Failed to parse DeviceTree"); - return ret; - } - if (UNIPERIF_TYPE_IS_TDM(reader)) reader->hw = &uni_tdm_hw; else