diff options
Diffstat (limited to 'sound/soc/sh/rcar/ssi.c')
-rw-r--r-- | sound/soc/sh/rcar/ssi.c | 100 |
1 files changed, 45 insertions, 55 deletions
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c index 3844fbef466..9e7b627c08e 100644 --- a/sound/soc/sh/rcar/ssi.c +++ b/sound/soc/sh/rcar/ssi.c @@ -60,17 +60,14 @@ #define SSI_NAME "ssi" struct rsnd_ssi { - struct clk *clk; struct rsnd_ssi_platform_info *info; /* rcar_snd.h */ struct rsnd_ssi *parent; struct rsnd_mod mod; - struct rsnd_dai *rdai; u32 cr_own; u32 cr_clk; int err; unsigned int usrcnt; - unsigned int rate; }; #define for_each_rsnd_ssi(pos, priv, i) \ @@ -128,7 +125,7 @@ static void rsnd_ssi_status_check(struct rsnd_mod *mod, static int rsnd_ssi_master_clk_start(struct rsnd_ssi *ssi, struct rsnd_dai_stream *io) { - struct rsnd_priv *priv = rsnd_mod_to_priv(&ssi->mod); + struct rsnd_priv *priv = rsnd_io_to_priv(io); struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); struct device *dev = rsnd_priv_to_dev(priv); int i, j, ret; @@ -157,7 +154,6 @@ static int rsnd_ssi_master_clk_start(struct rsnd_ssi *ssi, ret = rsnd_adg_ssi_clk_try_start(&ssi->mod, main_rate); if (0 == ret) { - ssi->rate = rate; ssi->cr_clk = FORCE | SWL_32 | SCKD | SWSD | CKDV(j); @@ -176,26 +172,25 @@ static int rsnd_ssi_master_clk_start(struct rsnd_ssi *ssi, static void rsnd_ssi_master_clk_stop(struct rsnd_ssi *ssi) { - ssi->rate = 0; ssi->cr_clk = 0; rsnd_adg_ssi_clk_stop(&ssi->mod); } static void rsnd_ssi_hw_start(struct rsnd_ssi *ssi, - struct rsnd_dai *rdai, struct rsnd_dai_stream *io) { - struct rsnd_priv *priv = rsnd_mod_to_priv(&ssi->mod); + struct rsnd_priv *priv = rsnd_io_to_priv(io); + struct rsnd_dai *rdai = rsnd_io_to_rdai(io); struct device *dev = rsnd_priv_to_dev(priv); u32 cr_mode; u32 cr; if (0 == ssi->usrcnt) { - clk_prepare_enable(ssi->clk); + rsnd_mod_hw_start(&ssi->mod); - if (rsnd_dai_is_clk_master(rdai)) { + if (rsnd_rdai_is_clk_master(rdai)) { if (rsnd_ssi_clk_from_parent(ssi)) - rsnd_ssi_hw_start(ssi->parent, rdai, io); + rsnd_ssi_hw_start(ssi->parent, io); else rsnd_ssi_master_clk_start(ssi, io); } @@ -214,7 +209,7 @@ static void rsnd_ssi_hw_start(struct rsnd_ssi *ssi, rsnd_mod_write(&ssi->mod, SSICR, cr); /* enable WS continue */ - if (rsnd_dai_is_clk_master(rdai)) + if (rsnd_rdai_is_clk_master(rdai)) rsnd_mod_write(&ssi->mod, SSIWSR, CONT); /* clear error status */ @@ -226,10 +221,11 @@ static void rsnd_ssi_hw_start(struct rsnd_ssi *ssi, rsnd_mod_name(&ssi->mod), rsnd_mod_id(&ssi->mod)); } -static void rsnd_ssi_hw_stop(struct rsnd_ssi *ssi, - struct rsnd_dai *rdai) +static void rsnd_ssi_hw_stop(struct rsnd_ssi *ssi) { struct rsnd_priv *priv = rsnd_mod_to_priv(&ssi->mod); + struct rsnd_dai_stream *io = rsnd_mod_to_io(&ssi->mod); + struct rsnd_dai *rdai = rsnd_io_to_rdai(io); struct device *dev = rsnd_priv_to_dev(priv); u32 cr; @@ -256,14 +252,14 @@ static void rsnd_ssi_hw_stop(struct rsnd_ssi *ssi, rsnd_mod_write(&ssi->mod, SSICR, cr); /* disabled all */ rsnd_ssi_status_check(&ssi->mod, IIRQ); - if (rsnd_dai_is_clk_master(rdai)) { + if (rsnd_rdai_is_clk_master(rdai)) { if (rsnd_ssi_clk_from_parent(ssi)) - rsnd_ssi_hw_stop(ssi->parent, rdai); + rsnd_ssi_hw_stop(ssi->parent); else rsnd_ssi_master_clk_stop(ssi); } - clk_disable_unprepare(ssi->clk); + rsnd_mod_hw_stop(&ssi->mod); } dev_dbg(dev, "%s[%d] hw stopped\n", @@ -274,10 +270,11 @@ 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_priv *priv) { struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); + struct rsnd_dai *rdai = rsnd_io_to_rdai(io); struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); u32 cr; @@ -311,13 +308,12 @@ static int rsnd_ssi_init(struct rsnd_mod *mod, cr |= SDTA; if (rdai->sys_delay) cr |= DEL; - if (rsnd_dai_is_play(rdai, io)) + if (rsnd_io_is_play(io)) cr |= TRMD; /* * set ssi parameter */ - ssi->rdai = rdai; ssi->cr_own = cr; ssi->err = -1; /* ignore 1st error */ @@ -325,16 +321,15 @@ static int rsnd_ssi_init(struct rsnd_mod *mod, } static int rsnd_ssi_quit(struct rsnd_mod *mod, - struct rsnd_dai *rdai) + struct rsnd_priv *priv) { struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); - struct rsnd_priv *priv = rsnd_mod_to_priv(mod); struct device *dev = rsnd_priv_to_dev(priv); if (ssi->err > 0) - dev_warn(dev, "ssi under/over flow err = %d\n", ssi->err); + dev_warn(dev, "%s[%d] under/over flow err = %d\n", + rsnd_mod_name(mod), rsnd_mod_id(mod), ssi->err); - ssi->rdai = NULL; ssi->cr_own = 0; ssi->err = 0; @@ -353,32 +348,32 @@ static void rsnd_ssi_record_error(struct rsnd_ssi *ssi, u32 status) } static int rsnd_ssi_start(struct rsnd_mod *mod, - struct rsnd_dai *rdai) + struct rsnd_priv *priv) { struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); - rsnd_src_ssiu_start(mod, rdai, rsnd_ssi_use_busif(mod)); + rsnd_src_ssiu_start(mod, rsnd_ssi_use_busif(mod)); - rsnd_ssi_hw_start(ssi, rdai, io); + rsnd_ssi_hw_start(ssi, io); - rsnd_src_ssi_irq_enable(mod, rdai); + rsnd_src_ssi_irq_enable(mod); return 0; } static int rsnd_ssi_stop(struct rsnd_mod *mod, - struct rsnd_dai *rdai) + struct rsnd_priv *priv) { struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); - rsnd_src_ssi_irq_disable(mod, rdai); + rsnd_src_ssi_irq_disable(mod); rsnd_ssi_record_error(ssi, rsnd_mod_read(mod, SSISR)); - rsnd_ssi_hw_stop(ssi, rdai); + rsnd_ssi_hw_stop(ssi); - rsnd_src_ssiu_stop(mod, rdai); + rsnd_src_ssiu_stop(mod); return 0; } @@ -386,16 +381,17 @@ static int rsnd_ssi_stop(struct rsnd_mod *mod, static irqreturn_t rsnd_ssi_interrupt(int irq, void *data) { struct rsnd_ssi *ssi = data; - struct rsnd_dai *rdai = ssi->rdai; struct rsnd_mod *mod = &ssi->mod; + struct rsnd_priv *priv = rsnd_mod_to_priv(mod); struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); + int is_dma = rsnd_ssi_is_dma_mode(mod); u32 status = rsnd_mod_read(mod, SSISR); if (!io) return IRQ_NONE; /* PIO only */ - if (status & DIRQ) { + if (!is_dma && (status & DIRQ)) { struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); u32 *buf = (u32 *)(runtime->dma_area + rsnd_dai_pointer_offset(io, 0)); @@ -405,7 +401,7 @@ static irqreturn_t rsnd_ssi_interrupt(int irq, void *data) * directly as 32bit data * see rsnd_ssi_init() */ - if (rsnd_dai_is_play(rdai, io)) + if (rsnd_io_is_play(io)) rsnd_mod_write(mod, SSITDR, *buf); else *buf = rsnd_mod_read(mod, SSIRDR); @@ -415,14 +411,13 @@ static irqreturn_t rsnd_ssi_interrupt(int irq, void *data) /* PIO / DMA */ if (status & (UIRQ | OIRQ)) { - struct rsnd_priv *priv = rsnd_mod_to_priv(mod); struct device *dev = rsnd_priv_to_dev(priv); /* * restart SSI */ - rsnd_ssi_stop(mod, rdai); - rsnd_ssi_start(mod, rdai); + rsnd_ssi_stop(mod, priv); + rsnd_ssi_start(mod, priv); dev_dbg(dev, "%s[%d] restart\n", rsnd_mod_name(mod), rsnd_mod_id(mod)); @@ -437,9 +432,8 @@ static irqreturn_t rsnd_ssi_interrupt(int irq, void *data) * SSI PIO */ static int rsnd_ssi_pio_probe(struct rsnd_mod *mod, - struct rsnd_dai *rdai) + struct rsnd_priv *priv) { - struct rsnd_priv *priv = rsnd_mod_to_priv(mod); struct device *dev = rsnd_priv_to_dev(priv); struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); int ret; @@ -468,9 +462,8 @@ 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_priv *priv) { - struct rsnd_priv *priv = rsnd_mod_to_priv(mod); struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); struct device *dev = rsnd_priv_to_dev(priv); int dma_id = ssi->info->dma_id; @@ -503,14 +496,13 @@ rsnd_ssi_dma_probe_fail: } static int rsnd_ssi_dma_remove(struct rsnd_mod *mod, - struct rsnd_dai *rdai) + struct rsnd_priv *priv) { - struct rsnd_priv *priv = rsnd_mod_to_priv(mod); struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); struct device *dev = rsnd_priv_to_dev(priv); int irq = ssi->info->irq; - rsnd_dma_quit(rsnd_mod_to_priv(mod), rsnd_mod_to_dma(mod)); + rsnd_dma_quit(priv, rsnd_mod_to_dma(mod)); /* PIO will request IRQ again */ devm_free_irq(dev, irq, ssi); @@ -519,9 +511,8 @@ static int rsnd_ssi_dma_remove(struct rsnd_mod *mod, } static int rsnd_ssi_fallback(struct rsnd_mod *mod, - struct rsnd_dai *rdai) + struct rsnd_priv *priv) { - struct rsnd_priv *priv = rsnd_mod_to_priv(mod); struct device *dev = rsnd_priv_to_dev(priv); /* @@ -540,25 +531,25 @@ static int rsnd_ssi_fallback(struct rsnd_mod *mod, } static int rsnd_ssi_dma_start(struct rsnd_mod *mod, - struct rsnd_dai *rdai) + struct rsnd_priv *priv) { struct rsnd_dma *dma = rsnd_mod_to_dma(mod); - rsnd_ssi_start(mod, rdai); - rsnd_dma_start(dma); + rsnd_ssi_start(mod, priv); + return 0; } static int rsnd_ssi_dma_stop(struct rsnd_mod *mod, - struct rsnd_dai *rdai) + struct rsnd_priv *priv) { struct rsnd_dma *dma = rsnd_mod_to_dma(mod); - rsnd_dma_stop(dma); + rsnd_ssi_stop(mod, priv); - rsnd_ssi_stop(mod, rdai); + rsnd_dma_stop(dma); return 0; } @@ -734,7 +725,6 @@ int rsnd_ssi_probe(struct platform_device *pdev, return PTR_ERR(clk); ssi->info = pinfo; - ssi->clk = clk; ops = &rsnd_ssi_non_ops; if (pinfo->dma_id > 0) @@ -742,7 +732,7 @@ int rsnd_ssi_probe(struct platform_device *pdev, else if (rsnd_ssi_pio_available(ssi)) ops = &rsnd_ssi_pio_ops; - rsnd_mod_init(priv, &ssi->mod, ops, RSND_MOD_SSI, i); + rsnd_mod_init(&ssi->mod, ops, clk, RSND_MOD_SSI, i); rsnd_ssi_parent_clk_setup(priv, ssi); } |