diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
commit | 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch) | |
tree | e9891aa6c295060d065adffd610c4f49ecf884f3 /sound/soc/sh/rcar/dvc.c | |
parent | a71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff) |
Linux-libre 4.3.2-gnu
Diffstat (limited to 'sound/soc/sh/rcar/dvc.c')
-rw-r--r-- | sound/soc/sh/rcar/dvc.c | 73 |
1 files changed, 31 insertions, 42 deletions
diff --git a/sound/soc/sh/rcar/dvc.c b/sound/soc/sh/rcar/dvc.c index 36fc020cb..57796387d 100644 --- a/sound/soc/sh/rcar/dvc.c +++ b/sound/soc/sh/rcar/dvc.c @@ -24,6 +24,7 @@ struct rsnd_dvc { struct rsnd_kctrl_cfg_s rdown; /* Ramp Rate Down */ }; +#define rsnd_dvc_nr(priv) ((priv)->dvc_nr) #define rsnd_dvc_of_node(priv) \ of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,dvc") @@ -63,6 +64,19 @@ static const char * const dvc_ramp_rate[] = { "0.125 dB/8192 steps", /* 10111 */ }; +static void rsnd_dvc_soft_reset(struct rsnd_mod *mod) +{ + rsnd_mod_write(mod, DVC_SWRSR, 0); + rsnd_mod_write(mod, DVC_SWRSR, 1); +} + +#define rsnd_dvc_initialize_lock(mod) __rsnd_dvc_initialize_lock(mod, 1) +#define rsnd_dvc_initialize_unlock(mod) __rsnd_dvc_initialize_lock(mod, 0) +static void __rsnd_dvc_initialize_lock(struct rsnd_mod *mod, u32 enable) +{ + rsnd_mod_write(mod, DVC_DVUIR, enable); +} + static void rsnd_dvc_volume_update(struct rsnd_dai_stream *io, struct rsnd_mod *mod) { @@ -135,49 +149,24 @@ static int rsnd_dvc_remove_gen2(struct rsnd_mod *mod, return 0; } -static int rsnd_dvc_init(struct rsnd_mod *dvc_mod, +static int rsnd_dvc_init(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct rsnd_priv *priv) { - struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io); - struct device *dev = rsnd_priv_to_dev(priv); - int dvc_id = rsnd_mod_id(dvc_mod); - int src_id = rsnd_mod_id(src_mod); - u32 route[] = { - [0] = 0x30000, - [1] = 0x30001, - [2] = 0x40000, - [3] = 0x10000, - [4] = 0x20000, - [5] = 0x40100 - }; - - if (src_id >= ARRAY_SIZE(route)) { - dev_err(dev, "DVC%d isn't connected to SRC%d\n", dvc_id, src_id); - return -EINVAL; - } - - rsnd_mod_hw_start(dvc_mod); + rsnd_mod_hw_start(mod); - /* - * fixme - * it doesn't support CTU/MIX - */ - rsnd_mod_write(dvc_mod, CMD_ROUTE_SLCT, route[src_id]); + rsnd_dvc_soft_reset(mod); - rsnd_mod_write(dvc_mod, DVC_SWRSR, 0); - rsnd_mod_write(dvc_mod, DVC_SWRSR, 1); + rsnd_dvc_initialize_lock(mod); - rsnd_mod_write(dvc_mod, DVC_DVUIR, 1); + rsnd_path_parse(priv, io); - rsnd_mod_write(dvc_mod, DVC_ADINR, rsnd_get_adinr(dvc_mod, io)); + rsnd_mod_write(mod, DVC_ADINR, rsnd_get_adinr_bit(mod, io)); /* ch0/ch1 Volume */ - rsnd_dvc_volume_update(io, dvc_mod); + rsnd_dvc_volume_update(io, mod); - rsnd_mod_write(dvc_mod, DVC_DVUIR, 0); - - rsnd_adg_set_cmd_timsel_gen2(dvc_mod, io); + rsnd_adg_set_cmd_timsel_gen2(mod, io); return 0; } @@ -195,6 +184,8 @@ static int rsnd_dvc_start(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct rsnd_priv *priv) { + rsnd_dvc_initialize_unlock(mod); + rsnd_mod_write(mod, CMD_CTRL, 0x10); return 0; @@ -341,23 +332,21 @@ int rsnd_dvc_probe(struct platform_device *pdev, char name[RSND_DVC_NAME_SIZE]; int i, nr, ret; - rsnd_of_parse_dvc(pdev, of_data, priv); - - nr = info->dvc_info_nr; - if (!nr) - return 0; - /* This driver doesn't support Gen1 at this point */ if (rsnd_is_gen1(priv)) { dev_warn(dev, "CMD is not supported on Gen1\n"); return -EINVAL; } + rsnd_of_parse_dvc(pdev, of_data, priv); + + nr = info->dvc_info_nr; + if (!nr) + return 0; + dvc = devm_kzalloc(dev, sizeof(*dvc) * nr, GFP_KERNEL); - if (!dvc) { - dev_err(dev, "CMD allocate failed\n"); + if (!dvc) return -ENOMEM; - } priv->dvc_nr = nr; priv->dvc = dvc; |