diff options
Diffstat (limited to 'sound/soc/sh/rcar/adg.c')
| -rw-r--r-- | sound/soc/sh/rcar/adg.c | 118 |
1 files changed, 31 insertions, 87 deletions
diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c index 2a5b3a293cd2..6d3ef366d536 100644 --- a/sound/soc/sh/rcar/adg.c +++ b/sound/soc/sh/rcar/adg.c @@ -68,8 +68,8 @@ static u32 rsnd_adg_calculate_rbgx(unsigned long div) static u32 rsnd_adg_ssi_ws_timing_gen2(struct rsnd_dai_stream *io) { - struct rsnd_mod *mod = rsnd_io_to_mod_ssi(io); - int id = rsnd_mod_id(mod); + struct rsnd_mod *ssi_mod = rsnd_io_to_mod_ssi(io); + int id = rsnd_mod_id(ssi_mod); int ws = id; if (rsnd_ssi_is_pin_sharing(io)) { @@ -90,13 +90,13 @@ static u32 rsnd_adg_ssi_ws_timing_gen2(struct rsnd_dai_stream *io) return (0x6 + ws) << 8; } -int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_mod *mod, +int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_mod *cmd_mod, struct rsnd_dai_stream *io) { - struct rsnd_priv *priv = rsnd_mod_to_priv(mod); + struct rsnd_priv *priv = rsnd_mod_to_priv(cmd_mod); struct rsnd_adg *adg = rsnd_priv_to_adg(priv); struct rsnd_mod *adg_mod = rsnd_mod_get(adg); - int id = rsnd_mod_id(mod); + int id = rsnd_mod_id(cmd_mod); int shift = (id % 2) ? 16 : 0; u32 mask, val; @@ -242,68 +242,6 @@ int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *src_mod, return rsnd_adg_set_src_timsel_gen2(src_mod, io, val); } -int rsnd_adg_set_convert_clk_gen1(struct rsnd_priv *priv, - struct rsnd_mod *mod, - unsigned int src_rate, - unsigned int dst_rate) -{ - struct rsnd_adg *adg = rsnd_priv_to_adg(priv); - struct rsnd_mod *adg_mod = rsnd_mod_get(adg); - struct device *dev = rsnd_priv_to_dev(priv); - int idx, sel, div, shift; - u32 mask, val; - int id = rsnd_mod_id(mod); - unsigned int sel_rate [] = { - clk_get_rate(adg->clk[CLKA]), /* 000: CLKA */ - clk_get_rate(adg->clk[CLKB]), /* 001: CLKB */ - clk_get_rate(adg->clk[CLKC]), /* 010: CLKC */ - 0, /* 011: MLBCLK (not used) */ - adg->rbga_rate_for_441khz, /* 100: RBGA */ - adg->rbgb_rate_for_48khz, /* 101: RBGB */ - }; - - /* find div (= 1/128, 1/256, 1/512, 1/1024, 1/2048 */ - for (sel = 0; sel < ARRAY_SIZE(sel_rate); sel++) { - for (div = 128, idx = 0; - div <= 2048; - div *= 2, idx++) { - if (src_rate == sel_rate[sel] / div) { - val = (idx << 4) | sel; - goto find_rate; - } - } - } - dev_err(dev, "can't find convert src clk\n"); - return -EINVAL; - -find_rate: - shift = (id % 4) * 8; - mask = 0xFF << shift; - val = val << shift; - - dev_dbg(dev, "adg convert src clk = %02x\n", val); - - switch (id / 4) { - case 0: - rsnd_mod_bset(adg_mod, AUDIO_CLK_SEL3, mask, val); - break; - case 1: - rsnd_mod_bset(adg_mod, AUDIO_CLK_SEL4, mask, val); - break; - case 2: - rsnd_mod_bset(adg_mod, AUDIO_CLK_SEL5, mask, val); - break; - } - - /* - * Gen1 doesn't need dst_rate settings, - * since it uses SSI WS pin. - * see also rsnd_src_set_route_if_gen1() - */ - - return 0; -} - static void rsnd_adg_set_ssi_clk(struct rsnd_mod *ssi_mod, u32 val) { struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod); @@ -337,20 +275,16 @@ static void rsnd_adg_set_ssi_clk(struct rsnd_mod *ssi_mod, u32 val) } } -int rsnd_adg_ssi_clk_stop(struct rsnd_mod *mod) +int rsnd_adg_ssi_clk_stop(struct rsnd_mod *ssi_mod) { - /* - * "mod" = "ssi" here. - * we can get "ssi id" from mod - */ - rsnd_adg_set_ssi_clk(mod, 0); + rsnd_adg_set_ssi_clk(ssi_mod, 0); return 0; } -int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate) +int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *ssi_mod, unsigned int rate) { - struct rsnd_priv *priv = rsnd_mod_to_priv(mod); + struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod); struct rsnd_adg *adg = rsnd_priv_to_adg(priv); struct device *dev = rsnd_priv_to_dev(priv); struct clk *clk; @@ -394,14 +328,10 @@ int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate) found_clock: - /* - * This "mod" = "ssi" here. - * we can get "ssi id" from mod - */ - rsnd_adg_set_ssi_clk(mod, data); + rsnd_adg_set_ssi_clk(ssi_mod, data); dev_dbg(dev, "ADG: %s[%d] selects 0x%x for %d\n", - rsnd_mod_name(mod), rsnd_mod_id(mod), + rsnd_mod_name(ssi_mod), rsnd_mod_id(ssi_mod), data, rate); return 0; @@ -418,15 +348,20 @@ static void rsnd_adg_get_clkin(struct rsnd_priv *priv, [CLKC] = "clk_c", [CLKI] = "clk_i", }; - int i; + int i, ret; for (i = 0; i < CLKMAX; i++) { clk = devm_clk_get(dev, clk_name[i]); adg->clk[i] = IS_ERR(clk) ? NULL : clk; } - for_each_rsnd_clk(clk, adg, i) + for_each_rsnd_clk(clk, adg, i) { + ret = clk_prepare_enable(clk); + if (ret < 0) + dev_warn(dev, "can't use clk %d\n", i); + dev_dbg(dev, "clk %d : %p : %ld\n", i, clk, clk_get_rate(clk)); + } } static void rsnd_adg_get_clkout(struct rsnd_priv *priv, @@ -437,7 +372,7 @@ static void rsnd_adg_get_clkout(struct rsnd_priv *priv, struct device *dev = rsnd_priv_to_dev(priv); struct device_node *np = dev->of_node; u32 ckr, rbgx, rbga, rbgb; - u32 rate, req_rate, div; + u32 rate, req_rate = 0, div; uint32_t count = 0; unsigned long req_48kHz_rate, req_441kHz_rate; int i; @@ -572,9 +507,7 @@ static void rsnd_adg_get_clkout(struct rsnd_priv *priv, ckr, rbga, rbgb); } -int rsnd_adg_probe(struct platform_device *pdev, - const struct rsnd_of_data *of_data, - struct rsnd_priv *priv) +int rsnd_adg_probe(struct rsnd_priv *priv) { struct rsnd_adg *adg; struct device *dev = rsnd_priv_to_dev(priv); @@ -600,3 +533,14 @@ int rsnd_adg_probe(struct platform_device *pdev, return 0; } + +void rsnd_adg_remove(struct rsnd_priv *priv) +{ + struct rsnd_adg *adg = rsnd_priv_to_adg(priv); + struct clk *clk; + int i; + + for_each_rsnd_clk(clk, adg, i) { + clk_disable_unprepare(clk); + } +} |