diff options
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/sti/uniperif.h | 1 | ||||
| -rw-r--r-- | sound/soc/sti/uniperif_player.c | 42 |
2 files changed, 29 insertions, 14 deletions
diff --git a/sound/soc/sti/uniperif.h b/sound/soc/sti/uniperif.h index d0e24468478c..eb9933c62ad6 100644 --- a/sound/soc/sti/uniperif.h +++ b/sound/soc/sti/uniperif.h @@ -1302,6 +1302,7 @@ struct uniperif { struct device *dev; int ver; /* IP version, used by register access macros */ struct regmap_field *clk_sel; + struct regmap_field *valid_sel; /* capabilities */ const struct snd_pcm_hardware *hw; diff --git a/sound/soc/sti/uniperif_player.c b/sound/soc/sti/uniperif_player.c index ff2d73597ce3..ee1c7c245bc7 100644 --- a/sound/soc/sti/uniperif_player.c +++ b/sound/soc/sti/uniperif_player.c @@ -21,7 +21,6 @@ /* sys config registers definitions */ #define SYS_CFG_AUDIO_GLUE 0xA4 -#define SYS_CFG_AUDI0_GLUE_PCM_CLKX 8 /* * Driver specific types. @@ -29,6 +28,7 @@ #define UNIPERIF_PLAYER_CLK_ADJ_MIN -999999 #define UNIPERIF_PLAYER_CLK_ADJ_MAX 1000000 +#define UNIPERIF_PLAYER_I2S_OUT 1 /* player id connected to I2S/TDM TX bus */ /* * Note: snd_pcm_hardware is linked to DMA controller but is declared here to @@ -1013,27 +1013,30 @@ static void uni_player_shutdown(struct snd_pcm_substream *substream, player->substream = NULL; } -static int uni_player_parse_dt_clk_glue(struct platform_device *pdev, - struct uniperif *player) +static int uni_player_parse_dt_audio_glue(struct platform_device *pdev, + struct uniperif *player) { - int bit_offset; struct device_node *node = pdev->dev.of_node; struct regmap *regmap; - - bit_offset = SYS_CFG_AUDI0_GLUE_PCM_CLKX + player->info->id; + struct reg_field regfield[2] = { + /* PCM_CLK_SEL */ + REG_FIELD(SYS_CFG_AUDIO_GLUE, + 8 + player->info->id, + 8 + player->info->id), + /* PCMP_VALID_SEL */ + REG_FIELD(SYS_CFG_AUDIO_GLUE, 0, 1) + }; regmap = syscon_regmap_lookup_by_phandle(node, "st,syscfg"); - if (regmap) { - struct reg_field regfield = - REG_FIELD(SYS_CFG_AUDIO_GLUE, bit_offset, bit_offset); - - player->clk_sel = regmap_field_alloc(regmap, regfield); - } else { + if (!regmap) { dev_err(&pdev->dev, "sti-audio-clk-glue syscf not found\n"); return -EINVAL; } + player->clk_sel = regmap_field_alloc(regmap, regfield[0]); + player->valid_sel = regmap_field_alloc(regmap, regfield[1]); + return 0; } @@ -1084,8 +1087,8 @@ static int uni_player_parse_dt(struct platform_device *pdev, /* Save the info structure */ player->info = info; - /* Get the PCM_CLK_SEL bit from audio-glue-ctrl SoC register */ - if (uni_player_parse_dt_clk_glue(pdev, player)) + /* 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; @@ -1139,6 +1142,17 @@ 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); + if (ret) { + dev_err(player->dev, + "%s: unable to connect to tdm bus", __func__); + return ret; + } + } + ret = devm_request_irq(&pdev->dev, player->irq, uni_player_irq_handler, IRQF_SHARED, dev_name(&pdev->dev), player); |