diff options
Diffstat (limited to 'sound/soc/sh/rcar/src.c')
| -rw-r--r-- | sound/soc/sh/rcar/src.c | 232 |
1 files changed, 96 insertions, 136 deletions
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c index 4d0720ed5a9..200eda019bc 100644 --- a/sound/soc/sh/rcar/src.c +++ b/sound/soc/sh/rcar/src.c @@ -10,6 +10,8 @@ */ #include "rsnd.h" +#define SRC_NAME "src" + struct rsnd_src { struct rsnd_src_platform_info *info; /* rcar_snd.h */ struct rsnd_mod mod; @@ -18,21 +20,9 @@ struct rsnd_src { #define RSND_SRC_NAME_SIZE 16 -/* - * ADINR - */ -#define OTBL_24 (0 << 16) -#define OTBL_22 (2 << 16) -#define OTBL_20 (4 << 16) -#define OTBL_18 (6 << 16) -#define OTBL_16 (8 << 16) - -#define rsnd_src_mode_flags(p) ((p)->info->flags) #define rsnd_src_convert_rate(p) ((p)->info->convert_rate) #define rsnd_mod_to_src(_mod) \ container_of((_mod), struct rsnd_src, mod) -#define rsnd_src_hpbif_is_enable(src) \ - (rsnd_src_mode_flags(src) & RSND_SCU_USE_HPBIF) #define rsnd_src_dma_available(src) \ rsnd_dma_available(rsnd_mod_to_dma(&(src)->mod)) @@ -80,34 +70,35 @@ struct rsnd_src { * * This driver request * struct rsnd_src_platform_info { - * u32 flags; * u32 convert_rate; + * int dma_id; * } * - * rsnd_src_hpbif_is_enable() will be true - * if flags had RSND_SRC_USE_HPBIF, - * and it controls whether SSIU is used or not. - * * rsnd_src_convert_rate() indicates * above convert_rate, and it controls * whether SRC is used or not. * * ex) doesn't use SRC - * struct rsnd_src_platform_info info = { - * .flags = 0, - * .convert_rate = 0, + * static struct rsnd_dai_platform_info rsnd_dai = { + * .playback = { .ssi = &rsnd_ssi[0], }, * }; * * ex) uses SRC - * struct rsnd_src_platform_info info = { - * .flags = RSND_SRC_USE_HPBIF, - * .convert_rate = 48000, + * static struct rsnd_src_platform_info rsnd_src[] = { + * RSND_SCU(48000, 0), + * ... + * }; + * static struct rsnd_dai_platform_info rsnd_dai = { + * .playback = { .ssi = &rsnd_ssi[0], .src = &rsnd_src[0] }, * }; * * ex) uses SRC bypass mode - * struct rsnd_src_platform_info info = { - * .flags = RSND_SRC_USE_HPBIF, - * .convert_rate = 0, + * static struct rsnd_src_platform_info rsnd_src[] = { + * RSND_SCU(0, 0), + * ... + * }; + * static struct rsnd_dai_platform_info rsnd_dai = { + * .playback = { .ssi = &rsnd_ssi[0], .src = &rsnd_src[0] }, * }; * */ @@ -116,27 +107,17 @@ struct rsnd_src { * Gen1/Gen2 common functions */ int rsnd_src_ssi_mode_init(struct rsnd_mod *ssi_mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { - struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod); + struct rsnd_dai_stream *io = rsnd_mod_to_io(ssi_mod); struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io); - struct rcar_snd_info *info = rsnd_priv_to_info(priv); int ssi_id = rsnd_mod_id(ssi_mod); - int has_src = 0; /* * SSI_MODE0 */ - if (info->dai_info) { - has_src = !!src_mod; - } else { - struct rsnd_src *src = rsnd_mod_to_src(src_mod); - has_src = rsnd_src_hpbif_is_enable(src); - } - rsnd_mod_bset(ssi_mod, SSI_MODE0, (1 << ssi_id), - has_src ? 0 : (1 << ssi_id)); + src_mod ? 0 : (1 << ssi_id)); /* * SSI_MODE1 @@ -166,8 +147,7 @@ int rsnd_src_ssi_mode_init(struct rsnd_mod *ssi_mod, } int rsnd_src_enable_ssi_irq(struct rsnd_mod *ssi_mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod); @@ -203,13 +183,12 @@ unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv, } static int rsnd_src_set_convert_rate(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { + struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); struct rsnd_src *src = rsnd_mod_to_src(mod); u32 convert_rate = rsnd_src_convert_rate(src); - u32 adinr = runtime->channels; u32 fsrate = 0; if (convert_rate) @@ -226,17 +205,7 @@ static int rsnd_src_set_convert_rate(struct rsnd_mod *mod, rsnd_mod_write(mod, SRC_SRCIR, 1); /* Set channel number and output bit length */ - switch (runtime->sample_bits) { - case 16: - adinr |= OTBL_16; - break; - case 32: - adinr |= OTBL_24; - break; - default: - return -EIO; - } - rsnd_mod_write(mod, SRC_ADINR, adinr); + rsnd_mod_write(mod, SRC_ADINR, rsnd_get_adinr(mod)); /* Enable the initial value of IFS */ if (fsrate) { @@ -253,8 +222,7 @@ static int rsnd_src_set_convert_rate(struct rsnd_mod *mod, } static int rsnd_src_init(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { struct rsnd_src *src = rsnd_mod_to_src(mod); @@ -264,8 +232,7 @@ static int rsnd_src_init(struct rsnd_mod *mod, } static int rsnd_src_quit(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { struct rsnd_src *src = rsnd_mod_to_src(mod); @@ -275,8 +242,7 @@ static int rsnd_src_quit(struct rsnd_mod *mod, } static int rsnd_src_start(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { struct rsnd_src *src = rsnd_mod_to_src(mod); @@ -294,8 +260,7 @@ static int rsnd_src_start(struct rsnd_mod *mod, static int rsnd_src_stop(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { struct rsnd_src *src = rsnd_mod_to_src(mod); @@ -305,17 +270,13 @@ static int rsnd_src_stop(struct rsnd_mod *mod, return 0; } -static struct rsnd_mod_ops rsnd_src_non_ops = { - .name = "src (non)", -}; - /* * Gen1 functions */ static int rsnd_src_set_route_gen1(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { + struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); struct src_route_config { u32 mask; int shift; @@ -351,9 +312,9 @@ static int rsnd_src_set_route_gen1(struct rsnd_mod *mod, } static int rsnd_src_set_convert_timing_gen1(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { + struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); struct rsnd_priv *priv = rsnd_mod_to_priv(mod); struct rsnd_src *src = rsnd_mod_to_src(mod); struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); @@ -410,12 +371,11 @@ static int rsnd_src_set_convert_timing_gen1(struct rsnd_mod *mod, } static int rsnd_src_set_convert_rate_gen1(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { int ret; - ret = rsnd_src_set_convert_rate(mod, rdai, io); + ret = rsnd_src_set_convert_rate(mod, rdai); if (ret < 0) return ret; @@ -431,25 +391,35 @@ static int rsnd_src_set_convert_rate_gen1(struct rsnd_mod *mod, return 0; } +static int rsnd_src_probe_gen1(struct rsnd_mod *mod, + struct rsnd_dai *rdai) +{ + struct rsnd_priv *priv = rsnd_mod_to_priv(mod); + struct device *dev = rsnd_priv_to_dev(priv); + + dev_dbg(dev, "%s (Gen1) is probed\n", rsnd_mod_name(mod)); + + return 0; +} + static int rsnd_src_init_gen1(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { int ret; - ret = rsnd_src_init(mod, rdai, io); + ret = rsnd_src_init(mod, rdai); if (ret < 0) return ret; - ret = rsnd_src_set_route_gen1(mod, rdai, io); + ret = rsnd_src_set_route_gen1(mod, rdai); if (ret < 0) return ret; - ret = rsnd_src_set_convert_rate_gen1(mod, rdai, io); + ret = rsnd_src_set_convert_rate_gen1(mod, rdai); if (ret < 0) return ret; - ret = rsnd_src_set_convert_timing_gen1(mod, rdai, io); + ret = rsnd_src_set_convert_timing_gen1(mod, rdai); if (ret < 0) return ret; @@ -457,29 +427,28 @@ static int rsnd_src_init_gen1(struct rsnd_mod *mod, } static int rsnd_src_start_gen1(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { int id = rsnd_mod_id(mod); rsnd_mod_bset(mod, SRC_ROUTE_CTRL, (1 << id), (1 << id)); - return rsnd_src_start(mod, rdai, io); + return rsnd_src_start(mod, rdai); } static int rsnd_src_stop_gen1(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { int id = rsnd_mod_id(mod); rsnd_mod_bset(mod, SRC_ROUTE_CTRL, (1 << id), 0); - return rsnd_src_stop(mod, rdai, io); + return rsnd_src_stop(mod, rdai); } static struct rsnd_mod_ops rsnd_src_gen1_ops = { - .name = "sru (gen1)", + .name = SRC_NAME, + .probe = rsnd_src_probe_gen1, .init = rsnd_src_init_gen1, .quit = rsnd_src_quit, .start = rsnd_src_start_gen1, @@ -490,17 +459,16 @@ static struct rsnd_mod_ops rsnd_src_gen1_ops = { * Gen2 functions */ static int rsnd_src_set_convert_rate_gen2(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { int ret; - ret = rsnd_src_set_convert_rate(mod, rdai, io); + ret = rsnd_src_set_convert_rate(mod, rdai); if (ret < 0) return ret; - rsnd_mod_write(mod, SSI_BUSIF_ADINR, rsnd_mod_read(mod, SRC_ADINR)); - rsnd_mod_write(mod, SSI_BUSIF_MODE, rsnd_mod_read(mod, SRC_BUSIF_MODE)); + rsnd_mod_write(mod, SSI_BUSIF_ADINR, rsnd_get_adinr(mod)); + rsnd_mod_write(mod, SSI_BUSIF_MODE, 1); rsnd_mod_write(mod, SRC_SRCCR, 0x00011110); @@ -511,9 +479,9 @@ static int rsnd_src_set_convert_rate_gen2(struct rsnd_mod *mod, } static int rsnd_src_set_convert_timing_gen2(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { + struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); struct rsnd_src *src = rsnd_mod_to_src(mod); u32 convert_rate = rsnd_src_convert_rate(src); @@ -530,35 +498,27 @@ static int rsnd_src_set_convert_timing_gen2(struct rsnd_mod *mod, } static int rsnd_src_probe_gen2(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 rcar_snd_info *info = rsnd_priv_to_info(priv); struct rsnd_src *src = rsnd_mod_to_src(mod); - struct rsnd_mod *ssi = rsnd_ssi_mod_get(priv, rsnd_mod_id(mod)); struct device *dev = rsnd_priv_to_dev(priv); int ret; - int is_play; - - if (info->dai_info) - is_play = rsnd_info_is_playback(priv, src); - else - is_play = rsnd_ssi_is_play(ssi); ret = rsnd_dma_init(priv, rsnd_mod_to_dma(mod), - is_play, + rsnd_info_is_playback(priv, src), src->info->dma_id); if (ret < 0) dev_err(dev, "SRC DMA failed\n"); + dev_dbg(dev, "%s (Gen2) is probed\n", rsnd_mod_name(mod)); + return ret; } static int rsnd_src_remove_gen2(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)); @@ -566,20 +526,19 @@ static int rsnd_src_remove_gen2(struct rsnd_mod *mod, } static int rsnd_src_init_gen2(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { int ret; - ret = rsnd_src_init(mod, rdai, io); + ret = rsnd_src_init(mod, rdai); if (ret < 0) return ret; - ret = rsnd_src_set_convert_rate_gen2(mod, rdai, io); + ret = rsnd_src_set_convert_rate_gen2(mod, rdai); if (ret < 0) return ret; - ret = rsnd_src_set_convert_timing_gen2(mod, rdai, io); + ret = rsnd_src_set_convert_timing_gen2(mod, rdai); if (ret < 0) return ret; @@ -587,22 +546,22 @@ static int rsnd_src_init_gen2(struct rsnd_mod *mod, } static int rsnd_src_start_gen2(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { + struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); struct rsnd_src *src = rsnd_mod_to_src(mod); + u32 val = rsnd_io_to_mod_dvc(io) ? 0x01 : 0x11; rsnd_dma_start(rsnd_mod_to_dma(&src->mod)); rsnd_mod_write(mod, SSI_CTRL, 0x1); - rsnd_mod_write(mod, SRC_CTRL, 0x11); + rsnd_mod_write(mod, SRC_CTRL, val); - return rsnd_src_start(mod, rdai, io); + return rsnd_src_start(mod, rdai); } static int rsnd_src_stop_gen2(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + struct rsnd_dai *rdai) { struct rsnd_src *src = rsnd_mod_to_src(mod); @@ -611,11 +570,11 @@ static int rsnd_src_stop_gen2(struct rsnd_mod *mod, rsnd_dma_stop(rsnd_mod_to_dma(&src->mod)); - return rsnd_src_stop(mod, rdai, io); + return rsnd_src_stop(mod, rdai); } static struct rsnd_mod_ops rsnd_src_gen2_ops = { - .name = "src (gen2)", + .name = SRC_NAME, .probe = rsnd_src_probe_gen2, .remove = rsnd_src_remove_gen2, .init = rsnd_src_init_gen2, @@ -651,18 +610,21 @@ static void rsnd_of_parse_src(struct platform_device *pdev, nr = of_get_child_count(src_node); if (!nr) - return; + goto rsnd_of_parse_src_end; src_info = devm_kzalloc(dev, sizeof(struct rsnd_src_platform_info) * nr, GFP_KERNEL); if (!src_info) { dev_err(dev, "src info allocation error\n"); - return; + goto rsnd_of_parse_src_end; } info->src_info = src_info; info->src_info_nr = nr; + +rsnd_of_parse_src_end: + of_node_put(src_node); } int rsnd_src_probe(struct platform_device *pdev, @@ -677,6 +639,16 @@ int rsnd_src_probe(struct platform_device *pdev, char name[RSND_SRC_NAME_SIZE]; int i, nr; + ops = NULL; + if (rsnd_is_gen1(priv)) + ops = &rsnd_src_gen1_ops; + if (rsnd_is_gen2(priv)) + ops = &rsnd_src_gen2_ops; + if (!ops) { + dev_err(dev, "unknown Generation\n"); + return -EIO; + } + rsnd_of_parse_src(pdev, of_data, priv); /* @@ -696,28 +668,16 @@ int rsnd_src_probe(struct platform_device *pdev, priv->src = src; for_each_rsnd_src(src, priv, i) { - snprintf(name, RSND_SRC_NAME_SIZE, "src.%d", i); + snprintf(name, RSND_SRC_NAME_SIZE, "%s.%d", + SRC_NAME, i); clk = devm_clk_get(dev, name); - if (IS_ERR(clk)) { - snprintf(name, RSND_SRC_NAME_SIZE, "scu.%d", i); - clk = devm_clk_get(dev, name); - } - if (IS_ERR(clk)) return PTR_ERR(clk); src->info = &info->src_info[i]; src->clk = clk; - ops = &rsnd_src_non_ops; - if (rsnd_src_hpbif_is_enable(src)) { - if (rsnd_is_gen1(priv)) - ops = &rsnd_src_gen1_ops; - if (rsnd_is_gen2(priv)) - ops = &rsnd_src_gen2_ops; - } - rsnd_mod_init(priv, &src->mod, ops, RSND_MOD_SRC, i); dev_dbg(dev, "SRC%d probed\n", i); |