By default, player#0 is connected to I2S/TDM TX bus. This patch connects player#1 to I2S/TDM TX bus.

Signed-off-by: Moise Gergaud moise.gergaud@st.com Acked-by: Arnaud Pouliquen arnaud.pouliquen@st.com --- sound/soc/sti/uniperif.h | 1 + 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 d0e2446..eb9933c 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 ff2d735..ee1c7c2 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);