From 4c88f89f9c255d0a754e38ff1a55a6f8cef362e8 Mon Sep 17 00:00:00 2001 From: Arnaud Pouliquen Date: Mon, 24 Oct 2016 16:42:53 +0200 Subject: ASoC: sti: reset refactoring Reset is common to player and reader, migrate function in sti_uniperif.c Signed-off-by: Arnaud Pouliquen Signed-off-by: Mark Brown --- sound/soc/sti/sti_uniperif.c | 23 +++++++++++++++++++++++ sound/soc/sti/uniperif.h | 2 ++ sound/soc/sti/uniperif_player.c | 34 +++------------------------------- sound/soc/sti/uniperif_reader.c | 15 +-------------- 4 files changed, 29 insertions(+), 45 deletions(-) (limited to 'sound/soc/sti') diff --git a/sound/soc/sti/sti_uniperif.c b/sound/soc/sti/sti_uniperif.c index ee91ae5f812a..98eb205a0b62 100644 --- a/sound/soc/sti/sti_uniperif.c +++ b/sound/soc/sti/sti_uniperif.c @@ -7,6 +7,7 @@ #include #include +#include #include "uniperif.h" @@ -97,6 +98,28 @@ static const struct of_device_id snd_soc_sti_match[] = { {}, }; +int sti_uniperiph_reset(struct uniperif *uni) +{ + int count = 10; + + /* Reset uniperipheral uni */ + SET_UNIPERIF_SOFT_RST_SOFT_RST(uni); + + if (uni->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0) { + while (GET_UNIPERIF_SOFT_RST_SOFT_RST(uni) && count) { + udelay(5); + count--; + } + } + + if (!count) { + dev_err(uni->dev, "Failed to reset uniperif\n"); + return -EIO; + } + + return 0; +} + int sti_uniperiph_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) diff --git a/sound/soc/sti/uniperif.h b/sound/soc/sti/uniperif.h index 1993c655fb79..d487dd2ef016 100644 --- a/sound/soc/sti/uniperif.h +++ b/sound/soc/sti/uniperif.h @@ -1397,6 +1397,8 @@ static inline int sti_uniperiph_get_unip_tdm_frame_size(struct uniperif *uni) return (uni->tdm_slot.slots * uni->tdm_slot.slot_width / 8); } +int sti_uniperiph_reset(struct uniperif *uni); + int sti_uniperiph_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width); diff --git a/sound/soc/sti/uniperif_player.c b/sound/soc/sti/uniperif_player.c index c9b4670b772b..00022aa48280 100644 --- a/sound/soc/sti/uniperif_player.c +++ b/sound/soc/sti/uniperif_player.c @@ -6,7 +6,6 @@ */ #include -#include #include #include @@ -55,25 +54,6 @@ static const struct snd_pcm_hardware uni_player_pcm_hw = { .buffer_bytes_max = 256 * PAGE_SIZE }; -static inline int reset_player(struct uniperif *player) -{ - int count = 10; - - if (player->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0) { - while (GET_UNIPERIF_SOFT_RST_SOFT_RST(player) && count) { - udelay(5); - count--; - } - } - - if (!count) { - dev_err(player->dev, "Failed to reset uniperif\n"); - return -EIO; - } - - return 0; -} - /* * uni_player_irq_handler * In case of error audio stream is stopped; stop action is protected via PCM @@ -858,10 +838,8 @@ static int uni_player_prepare(struct snd_pcm_substream *substream, SET_UNIPERIF_I2S_FMT_NO_OF_SAMPLES_TO_READ(player, 0); - /* Reset uniperipheral player */ - SET_UNIPERIF_SOFT_RST_SOFT_RST(player); - return reset_player(player); + return sti_uniperiph_reset(player); } static int uni_player_start(struct uniperif *player) @@ -893,10 +871,7 @@ static int uni_player_start(struct uniperif *player) SET_UNIPERIF_ITM_BSET_UNDERFLOW_REC_FAILED(player); } - /* Reset uniperipheral player */ - SET_UNIPERIF_SOFT_RST_SOFT_RST(player); - - ret = reset_player(player); + ret = sti_uniperiph_reset(player); if (ret < 0) { clk_disable_unprepare(player->clk); return ret; @@ -945,10 +920,7 @@ static int uni_player_stop(struct uniperif *player) /* Turn the player off */ SET_UNIPERIF_CTRL_OPERATION_OFF(player); - /* Soft reset the player */ - SET_UNIPERIF_SOFT_RST_SOFT_RST(player); - - ret = reset_player(player); + ret = sti_uniperiph_reset(player); if (ret < 0) return ret; diff --git a/sound/soc/sti/uniperif_reader.c b/sound/soc/sti/uniperif_reader.c index 09314f8be841..59043f7a0e5c 100644 --- a/sound/soc/sti/uniperif_reader.c +++ b/sound/soc/sti/uniperif_reader.c @@ -6,7 +6,6 @@ */ #include -#include #include #include @@ -186,7 +185,6 @@ static int uni_reader_prepare(struct snd_pcm_substream *substream, struct uniperif *reader = priv->dai_data.uni; struct snd_pcm_runtime *runtime = substream->runtime; int transfer_size, trigger_limit, ret; - int count = 10; /* The reader should be stopped */ if (reader->state != UNIPERIF_STATE_STOPPED) { @@ -288,18 +286,7 @@ static int uni_reader_prepare(struct snd_pcm_substream *substream, } /* Reset uniperipheral reader */ - SET_UNIPERIF_SOFT_RST_SOFT_RST(reader); - - while (GET_UNIPERIF_SOFT_RST_SOFT_RST(reader)) { - udelay(5); - count--; - } - if (!count) { - dev_err(reader->dev, "Failed to reset uniperif\n"); - return -EIO; - } - - return 0; + return sti_uniperiph_reset(reader); } static int uni_reader_start(struct uniperif *reader) -- cgit v1.2.3