diff options
Diffstat (limited to 'sound/soc/sh/rcar/ssi.c')
-rw-r--r-- | sound/soc/sh/rcar/ssi.c | 113 |
1 files changed, 57 insertions, 56 deletions
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c index d45b9a7e324e..1427ec21bd7e 100644 --- a/sound/soc/sh/rcar/ssi.c +++ b/sound/soc/sh/rcar/ssi.c @@ -79,7 +79,6 @@ struct rsnd_ssi { #define rsnd_ssi_nr(priv) ((priv)->ssi_nr) #define rsnd_mod_to_ssi(_mod) container_of((_mod), struct rsnd_ssi, mod) -#define rsnd_dma_to_ssi(dma) rsnd_mod_to_ssi(rsnd_dma_to_mod(dma)) #define rsnd_ssi_pio_available(ssi) ((ssi)->info->irq > 0) #define rsnd_ssi_parent(ssi) ((ssi)->parent) #define rsnd_ssi_mode_flags(p) ((p)->info->flags) @@ -87,8 +86,9 @@ struct rsnd_ssi { #define rsnd_ssi_of_node(priv) \ of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,ssi") -int rsnd_ssi_use_busif(struct rsnd_dai_stream *io, struct rsnd_mod *mod) +int rsnd_ssi_use_busif(struct rsnd_dai_stream *io) { + struct rsnd_mod *mod = rsnd_io_to_mod_ssi(io); struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); int use_busif = 0; @@ -128,10 +128,8 @@ static int rsnd_ssi_master_clk_start(struct rsnd_ssi *ssi, 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; - int adg_clk_div_table[] = { - 1, 6, /* see adg.c */ - }; + struct rsnd_mod *mod = rsnd_mod_get(ssi); + int j, ret; int ssi_clk_mul_table[] = { 1, 2, 4, 8, 16, 6, 12, }; @@ -141,28 +139,25 @@ static int rsnd_ssi_master_clk_start(struct rsnd_ssi *ssi, /* * Find best clock, and try to start ADG */ - for (i = 0; i < ARRAY_SIZE(adg_clk_div_table); i++) { - for (j = 0; j < ARRAY_SIZE(ssi_clk_mul_table); j++) { - - /* - * this driver is assuming that - * system word is 64fs (= 2 x 32bit) - * see rsnd_ssi_init() - */ - main_rate = rate / adg_clk_div_table[i] - * 32 * 2 * ssi_clk_mul_table[j]; - - ret = rsnd_adg_ssi_clk_try_start(&ssi->mod, main_rate); - if (0 == ret) { - ssi->cr_clk = FORCE | SWL_32 | - SCKD | SWSD | CKDV(j); - - dev_dbg(dev, "%s[%d] outputs %u Hz\n", - rsnd_mod_name(&ssi->mod), - rsnd_mod_id(&ssi->mod), rate); - - return 0; - } + for (j = 0; j < ARRAY_SIZE(ssi_clk_mul_table); j++) { + + /* + * this driver is assuming that + * system word is 64fs (= 2 x 32bit) + * see rsnd_ssi_init() + */ + main_rate = rate * 32 * 2 * ssi_clk_mul_table[j]; + + ret = rsnd_adg_ssi_clk_try_start(mod, main_rate); + if (0 == ret) { + ssi->cr_clk = FORCE | SWL_32 | + SCKD | SWSD | CKDV(j); + + dev_dbg(dev, "%s[%d] outputs %u Hz\n", + rsnd_mod_name(mod), + rsnd_mod_id(mod), rate); + + return 0; } } @@ -172,8 +167,10 @@ static int rsnd_ssi_master_clk_start(struct rsnd_ssi *ssi, static void rsnd_ssi_master_clk_stop(struct rsnd_ssi *ssi) { + struct rsnd_mod *mod = rsnd_mod_get(ssi); + ssi->cr_clk = 0; - rsnd_adg_ssi_clk_stop(&ssi->mod); + rsnd_adg_ssi_clk_stop(mod); } static void rsnd_ssi_hw_start(struct rsnd_ssi *ssi, @@ -182,11 +179,12 @@ static void rsnd_ssi_hw_start(struct rsnd_ssi *ssi, 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); + struct rsnd_mod *mod = rsnd_mod_get(ssi); u32 cr_mode; u32 cr; if (0 == ssi->usrcnt) { - rsnd_mod_hw_start(&ssi->mod); + rsnd_mod_power_on(mod); if (rsnd_rdai_is_clk_master(rdai)) { struct rsnd_ssi *ssi_parent = rsnd_ssi_parent(ssi); @@ -198,7 +196,7 @@ static void rsnd_ssi_hw_start(struct rsnd_ssi *ssi, } } - if (rsnd_ssi_is_dma_mode(&ssi->mod)) { + if (rsnd_ssi_is_dma_mode(mod)) { cr_mode = UIEN | OIEN | /* over/under run */ DMEN; /* DMA : enable DMA */ } else { @@ -210,24 +208,25 @@ static void rsnd_ssi_hw_start(struct rsnd_ssi *ssi, cr_mode | EN; - rsnd_mod_write(&ssi->mod, SSICR, cr); + rsnd_mod_write(mod, SSICR, cr); /* enable WS continue */ if (rsnd_rdai_is_clk_master(rdai)) - rsnd_mod_write(&ssi->mod, SSIWSR, CONT); + rsnd_mod_write(mod, SSIWSR, CONT); /* clear error status */ - rsnd_mod_write(&ssi->mod, SSISR, 0); + rsnd_mod_write(mod, SSISR, 0); ssi->usrcnt++; dev_dbg(dev, "%s[%d] hw started\n", - rsnd_mod_name(&ssi->mod), rsnd_mod_id(&ssi->mod)); + rsnd_mod_name(mod), rsnd_mod_id(mod)); } static void rsnd_ssi_hw_stop(struct rsnd_dai_stream *io, struct rsnd_ssi *ssi) { - struct rsnd_priv *priv = rsnd_mod_to_priv(&ssi->mod); + struct rsnd_mod *mod = rsnd_mod_get(ssi); + struct rsnd_priv *priv = rsnd_mod_to_priv(mod); struct rsnd_dai *rdai = rsnd_io_to_rdai(io); struct device *dev = rsnd_priv_to_dev(priv); u32 cr; @@ -247,15 +246,15 @@ static void rsnd_ssi_hw_stop(struct rsnd_dai_stream *io, struct rsnd_ssi *ssi) cr = ssi->cr_own | ssi->cr_clk; - rsnd_mod_write(&ssi->mod, SSICR, cr | EN); - rsnd_ssi_status_check(&ssi->mod, DIRQ); + rsnd_mod_write(mod, SSICR, cr | EN); + rsnd_ssi_status_check(mod, DIRQ); /* * disable SSI, * and, wait idle state */ - rsnd_mod_write(&ssi->mod, SSICR, cr); /* disabled all */ - rsnd_ssi_status_check(&ssi->mod, IIRQ); + rsnd_mod_write(mod, SSICR, cr); /* disabled all */ + rsnd_ssi_status_check(mod, IIRQ); if (rsnd_rdai_is_clk_master(rdai)) { struct rsnd_ssi *ssi_parent = rsnd_ssi_parent(ssi); @@ -266,13 +265,13 @@ static void rsnd_ssi_hw_stop(struct rsnd_dai_stream *io, struct rsnd_ssi *ssi) rsnd_ssi_master_clk_stop(ssi); } - rsnd_mod_hw_stop(&ssi->mod); + rsnd_mod_power_off(mod); ssi->chan = 0; } dev_dbg(dev, "%s[%d] hw stopped\n", - rsnd_mod_name(&ssi->mod), rsnd_mod_id(&ssi->mod)); + rsnd_mod_name(mod), rsnd_mod_id(mod)); } /* @@ -371,7 +370,7 @@ static int rsnd_ssi_hw_params(struct rsnd_mod *mod, /* It will be removed on rsnd_ssi_hw_stop */ ssi->chan = chan; if (ssi_parent) - return rsnd_ssi_hw_params(&ssi_parent->mod, io, + return rsnd_ssi_hw_params(rsnd_mod_get(ssi_parent), io, substream, params); return 0; @@ -379,12 +378,14 @@ static int rsnd_ssi_hw_params(struct rsnd_mod *mod, static void rsnd_ssi_record_error(struct rsnd_ssi *ssi, u32 status) { + struct rsnd_mod *mod = rsnd_mod_get(ssi); + /* under/over flow error */ if (status & (UIRQ | OIRQ)) { ssi->err++; /* clear error status */ - rsnd_mod_write(&ssi->mod, SSISR, 0); + rsnd_mod_write(mod, SSISR, 0); } } @@ -394,7 +395,7 @@ static int rsnd_ssi_start(struct rsnd_mod *mod, { struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); - rsnd_src_ssiu_start(mod, io, rsnd_ssi_use_busif(io, mod)); + rsnd_src_ssiu_start(mod, io, rsnd_ssi_use_busif(io)); rsnd_ssi_hw_start(ssi, io); @@ -554,7 +555,7 @@ static int rsnd_ssi_dma_remove(struct rsnd_mod *mod, rsnd_dma_quit(io, rsnd_mod_to_dma(mod)); /* PIO will request IRQ again */ - devm_free_irq(dev, irq, ssi); + devm_free_irq(dev, irq, mod); return 0; } @@ -613,7 +614,7 @@ static struct dma_chan *rsnd_ssi_dma_req(struct rsnd_dai_stream *io, int is_play = rsnd_io_is_play(io); char *name; - if (rsnd_ssi_use_busif(io, mod)) + if (rsnd_ssi_use_busif(io)) name = is_play ? "rxu" : "txu"; else name = is_play ? "rx" : "tx"; @@ -656,10 +657,10 @@ struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id) if (WARN_ON(id < 0 || id >= rsnd_ssi_nr(priv))) id = 0; - return &((struct rsnd_ssi *)(priv->ssi) + id)->mod; + return rsnd_mod_get((struct rsnd_ssi *)(priv->ssi) + id); } -int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod) +int __rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod) { struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); @@ -668,10 +669,12 @@ int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod) static void rsnd_ssi_parent_setup(struct rsnd_priv *priv, struct rsnd_ssi *ssi) { - if (!rsnd_ssi_is_pin_sharing(&ssi->mod)) + struct rsnd_mod *mod = rsnd_mod_get(ssi); + + if (!__rsnd_ssi_is_pin_sharing(mod)) return; - switch (rsnd_mod_id(&ssi->mod)) { + switch (rsnd_mod_id(mod)) { case 1: case 2: ssi->parent = rsnd_mod_to_ssi(rsnd_ssi_mod_get(priv, 0)); @@ -697,9 +700,6 @@ static void rsnd_of_parse_ssi(struct platform_device *pdev, struct device *dev = &pdev->dev; int nr, i; - if (!of_data) - return; - node = rsnd_ssi_of_node(priv); if (!node) return; @@ -794,7 +794,8 @@ int rsnd_ssi_probe(struct platform_device *pdev, else if (rsnd_ssi_pio_available(ssi)) ops = &rsnd_ssi_pio_ops; - ret = rsnd_mod_init(priv, &ssi->mod, ops, clk, RSND_MOD_SSI, i); + ret = rsnd_mod_init(priv, rsnd_mod_get(ssi), ops, clk, + RSND_MOD_SSI, i); if (ret) return ret; @@ -811,6 +812,6 @@ void rsnd_ssi_remove(struct platform_device *pdev, int i; for_each_rsnd_ssi(ssi, priv, i) { - rsnd_mod_quit(&ssi->mod); + rsnd_mod_quit(rsnd_mod_get(ssi)); } } |