diff options
Diffstat (limited to 'sound/soc/sh/rcar/ssi.c')
-rw-r--r-- | sound/soc/sh/rcar/ssi.c | 113 |
1 files changed, 37 insertions, 76 deletions
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c index 1d8387c25bd8..2df723df5d19 100644 --- a/sound/soc/sh/rcar/ssi.c +++ b/sound/soc/sh/rcar/ssi.c @@ -57,6 +57,8 @@ */ #define CONT (1 << 8) /* WS Continue Function */ +#define SSI_NAME "ssi" + struct rsnd_ssi { struct clk *clk; struct rsnd_ssi_platform_info *info; /* rcar_snd.h */ @@ -240,10 +242,10 @@ static void rsnd_ssi_hw_stop(struct rsnd_ssi *ssi, * SSI mod common functions */ static int rsnd_ssi_init(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); + struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); u32 cr; @@ -287,14 +289,13 @@ static int rsnd_ssi_init(struct rsnd_mod *mod, ssi->cr_own = cr; ssi->err = -1; /* ignore 1st error */ - rsnd_src_ssi_mode_init(mod, rdai, io); + rsnd_src_ssi_mode_init(mod, rdai); return 0; } static int rsnd_ssi_quit(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); struct rsnd_priv *priv = rsnd_mod_to_priv(mod); @@ -359,8 +360,7 @@ static irqreturn_t rsnd_ssi_pio_interrupt(int irq, void *data) } static int rsnd_ssi_pio_probe(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { struct rsnd_priv *priv = rsnd_mod_to_priv(mod); struct device *dev = rsnd_priv_to_dev(priv); @@ -375,19 +375,21 @@ static int rsnd_ssi_pio_probe(struct rsnd_mod *mod, if (ret) dev_err(dev, "SSI request interrupt failed\n"); + dev_dbg(dev, "%s (PIO) is probed\n", rsnd_mod_name(mod)); + return ret; } static int rsnd_ssi_pio_start(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); + struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); /* enable PIO IRQ */ ssi->cr_etc = UIEN | OIEN | DIEN; - rsnd_src_enable_ssi_irq(mod, rdai, io); + rsnd_src_enable_ssi_irq(mod, rdai); rsnd_ssi_hw_start(ssi, rdai, io); @@ -395,8 +397,7 @@ static int rsnd_ssi_pio_start(struct rsnd_mod *mod, } static int rsnd_ssi_pio_stop(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); @@ -408,7 +409,7 @@ static int rsnd_ssi_pio_stop(struct rsnd_mod *mod, } static struct rsnd_mod_ops rsnd_ssi_pio_ops = { - .name = "ssi (pio)", + .name = SSI_NAME, .probe = rsnd_ssi_pio_probe, .init = rsnd_ssi_init, .quit = rsnd_ssi_quit, @@ -417,36 +418,29 @@ static struct rsnd_mod_ops rsnd_ssi_pio_ops = { }; static int rsnd_ssi_dma_probe(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { struct rsnd_priv *priv = rsnd_mod_to_priv(mod); struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); - struct rcar_snd_info *info = rsnd_priv_to_info(priv); struct device *dev = rsnd_priv_to_dev(priv); int dma_id = ssi->info->dma_id; - int is_play; int ret; - if (info->dai_info) - is_play = rsnd_info_is_playback(priv, ssi); - else - is_play = rsnd_ssi_is_play(&ssi->mod); - ret = rsnd_dma_init( priv, rsnd_mod_to_dma(mod), - is_play, + rsnd_info_is_playback(priv, ssi), dma_id); if (ret < 0) dev_err(dev, "SSI DMA failed\n"); + dev_dbg(dev, "%s (DMA) is probed\n", rsnd_mod_name(mod)); + return ret; } static int rsnd_ssi_dma_remove(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { rsnd_dma_quit(rsnd_mod_to_priv(mod), rsnd_mod_to_dma(mod)); @@ -454,11 +448,11 @@ static int rsnd_ssi_dma_remove(struct rsnd_mod *mod, } static int rsnd_ssi_dma_start(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); struct rsnd_dma *dma = rsnd_mod_to_dma(&ssi->mod); + struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); /* enable DMA transfer */ ssi->cr_etc = DMEN; @@ -475,8 +469,7 @@ static int rsnd_ssi_dma_start(struct rsnd_mod *mod, } static int rsnd_ssi_dma_stop(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); struct rsnd_dma *dma = rsnd_mod_to_dma(&ssi->mod); @@ -493,7 +486,7 @@ static int rsnd_ssi_dma_stop(struct rsnd_mod *mod, } static struct rsnd_mod_ops rsnd_ssi_dma_ops = { - .name = "ssi (dma)", + .name = SSI_NAME, .probe = rsnd_ssi_dma_probe, .remove = rsnd_ssi_dma_remove, .init = rsnd_ssi_init, @@ -506,47 +499,12 @@ static struct rsnd_mod_ops rsnd_ssi_dma_ops = { * Non SSI */ static struct rsnd_mod_ops rsnd_ssi_non_ops = { - .name = "ssi (non)", + .name = SSI_NAME, }; /* * ssi mod function */ -struct rsnd_mod *rsnd_ssi_mod_get_frm_dai(struct rsnd_priv *priv, - int dai_id, int is_play) -{ - struct rsnd_dai_platform_info *dai_info = NULL; - struct rsnd_dai_path_info *path_info = NULL; - struct rsnd_ssi_platform_info *target_info = NULL; - struct rsnd_ssi *ssi; - int i, has_play; - - if (priv->rdai) - dai_info = priv->rdai[dai_id].info; - if (dai_info) - path_info = (is_play) ? &dai_info->playback : &dai_info->capture; - if (path_info) - target_info = path_info->ssi; - - is_play = !!is_play; - - for_each_rsnd_ssi(ssi, priv, i) { - if (target_info == ssi->info) - return &ssi->mod; - - /* for compatible */ - if (rsnd_ssi_dai_id(ssi) != dai_id) - continue; - - has_play = rsnd_ssi_is_play(&ssi->mod); - - if (is_play == has_play) - return &ssi->mod; - } - - return NULL; -} - struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id) { if (WARN_ON(id < 0 || id >= rsnd_ssi_nr(priv))) @@ -562,13 +520,6 @@ int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod) return !!(rsnd_ssi_mode_flags(ssi) & RSND_SSI_CLK_PIN_SHARE); } -int rsnd_ssi_is_play(struct rsnd_mod *mod) -{ - struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); - - return !!(rsnd_ssi_mode_flags(ssi) & RSND_SSI_PLAY); -} - static void rsnd_ssi_parent_clk_setup(struct rsnd_priv *priv, struct rsnd_ssi *ssi) { if (!rsnd_ssi_is_pin_sharing(&ssi->mod)) @@ -609,14 +560,14 @@ static void rsnd_of_parse_ssi(struct platform_device *pdev, nr = of_get_child_count(node); if (!nr) - return; + goto rsnd_of_parse_ssi_end; ssi_info = devm_kzalloc(dev, sizeof(struct rsnd_ssi_platform_info) * nr, GFP_KERNEL); if (!ssi_info) { dev_err(dev, "ssi info allocation error\n"); - return; + goto rsnd_of_parse_ssi_end; } info->ssi_info = ssi_info; @@ -638,7 +589,16 @@ static void rsnd_of_parse_ssi(struct platform_device *pdev, * irq */ ssi_info->pio_irq = irq_of_parse_and_map(np, 0); + + /* + * DMA + */ + ssi_info->dma_id = of_get_property(np, "pio-transfer", NULL) ? + 0 : 1; } + +rsnd_of_parse_ssi_end: + of_node_put(node); } int rsnd_ssi_probe(struct platform_device *pdev, @@ -672,7 +632,8 @@ int rsnd_ssi_probe(struct platform_device *pdev, for_each_rsnd_ssi(ssi, priv, i) { pinfo = &info->ssi_info[i]; - snprintf(name, RSND_SSI_NAME_SIZE, "ssi.%d", i); + snprintf(name, RSND_SSI_NAME_SIZE, "%s.%d", + SSI_NAME, i); clk = devm_clk_get(dev, name); if (IS_ERR(clk)) |