diff options
author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2021-04-08 13:29:08 +0900 |
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committer | Mark Brown <broonie@kernel.org> | 2021-04-14 15:24:13 +0100 |
commit | 15c57ce07ce207069f1cd57ec117b11871f3afa6 (patch) | |
tree | 019b0528c7b576178aa5d93c78601cb786ba11d5 /sound/soc | |
parent | 691b379cbe348fbead33e49d1c1d0f045a2e3446 (diff) | |
download | linux-15c57ce07ce207069f1cd57ec117b11871f3afa6.tar.bz2 |
ASoC: rsnd: add rsnd_ssi_busif_err_irq_enable/disable()
Current ssi.c has duplicated code to control BUSIF
over/under run interrupt.
This patch adds new rsnd_ssi_busif_err_irq_enable/disable()
and share the code.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Yongbo Zhang <giraffesnn123@gmail.com>
Cc: Chen Li <licheng0822@thundersoft.com>
Link: https://lore.kernel.org/r/871rbl1jsb.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc')
-rw-r--r-- | sound/soc/sh/rcar/ssi.c | 112 |
1 files changed, 45 insertions, 67 deletions
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c index 4af024917f03..e29482c26d6a 100644 --- a/sound/soc/sh/rcar/ssi.c +++ b/sound/soc/sh/rcar/ssi.c @@ -359,6 +359,47 @@ static void rsnd_ssi_master_clk_stop(struct rsnd_mod *mod, rsnd_adg_ssi_clk_stop(mod); } +/* enable busif buffer over/under run interrupt. */ +#define rsnd_ssi_busif_err_irq_enable(mod) rsnd_ssi_busif_err_irq_ctrl(mod, 1) +#define rsnd_ssi_busif_err_irq_disable(mod) rsnd_ssi_busif_err_irq_ctrl(mod, 0) +static void rsnd_ssi_busif_err_irq_ctrl(struct rsnd_mod *mod, int enable) +{ + u32 sys_int_enable = 0; + int id = rsnd_mod_id(mod); + int i; + + switch (id) { + case 0: + case 1: + case 2: + case 3: + case 4: + for (i = 0; i < 4; i++) { + sys_int_enable = rsnd_mod_read(mod, SSI_SYS_INT_ENABLE(i * 2)); + if (enable) + sys_int_enable |= 0xf << (id * 4); + else + sys_int_enable &= ~(0xf << (id * 4)); + rsnd_mod_write(mod, + SSI_SYS_INT_ENABLE(i * 2), + sys_int_enable); + } + break; + case 9: + for (i = 0; i < 4; i++) { + sys_int_enable = rsnd_mod_read(mod, SSI_SYS_INT_ENABLE((i * 2) + 1)); + if (enable) + sys_int_enable |= 0xf << 4; + else + sys_int_enable &= ~(0xf << 4); + rsnd_mod_write(mod, + SSI_SYS_INT_ENABLE((i * 2) + 1), + sys_int_enable); + } + break; + } +} + static bool rsnd_ssi_busif_err_status_clear(struct rsnd_mod *mod) { struct rsnd_priv *priv = rsnd_mod_to_priv(mod); @@ -421,9 +462,6 @@ static void rsnd_ssi_config_init(struct rsnd_mod *mod, u32 wsr = ssi->wsr; int width; int is_tdm, is_tdm_split; - int id = rsnd_mod_id(mod); - int i; - u32 sys_int_enable = 0; is_tdm = rsnd_runtime_is_tdm(io); is_tdm_split = rsnd_runtime_is_tdm_split(io); @@ -499,36 +537,8 @@ static void rsnd_ssi_config_init(struct rsnd_mod *mod, } /* enable busif buffer over/under run interrupt. */ - if (is_tdm || is_tdm_split) { - switch (id) { - case 0: - case 1: - case 2: - case 3: - case 4: - for (i = 0; i < 4; i++) { - sys_int_enable = rsnd_mod_read(mod, - SSI_SYS_INT_ENABLE(i * 2)); - sys_int_enable |= 0xf << (id * 4); - rsnd_mod_write(mod, - SSI_SYS_INT_ENABLE(i * 2), - sys_int_enable); - } - - break; - case 9: - for (i = 0; i < 4; i++) { - sys_int_enable = rsnd_mod_read(mod, - SSI_SYS_INT_ENABLE((i * 2) + 1)); - sys_int_enable |= 0xf << 4; - rsnd_mod_write(mod, - SSI_SYS_INT_ENABLE((i * 2) + 1), - sys_int_enable); - } - - break; - } - } + if (is_tdm || is_tdm_split) + rsnd_ssi_busif_err_irq_enable(mod); init_end: ssi->cr_own = cr_own; @@ -585,8 +595,6 @@ static int rsnd_ssi_quit(struct rsnd_mod *mod, struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); struct device *dev = rsnd_priv_to_dev(priv); int is_tdm, is_tdm_split; - int id = rsnd_mod_id(mod); - u32 sys_int_enable = 0; is_tdm = rsnd_runtime_is_tdm(io); is_tdm_split = rsnd_runtime_is_tdm_split(io); @@ -612,38 +620,8 @@ static int rsnd_ssi_quit(struct rsnd_mod *mod, } /* disable busif buffer over/under run interrupt. */ - if (is_tdm || is_tdm_split) { - int i; - - switch (id) { - case 0: - case 1: - case 2: - case 3: - case 4: - for (i = 0; i < 4; i++) { - sys_int_enable = rsnd_mod_read(mod, - SSI_SYS_INT_ENABLE(i * 2)); - sys_int_enable &= ~(0xf << (id * 4)); - rsnd_mod_write(mod, - SSI_SYS_INT_ENABLE(i * 2), - sys_int_enable); - } - - break; - case 9: - for (i = 0; i < 4; i++) { - sys_int_enable = rsnd_mod_read(mod, - SSI_SYS_INT_ENABLE((i * 2) + 1)); - sys_int_enable &= ~(0xf << 4); - rsnd_mod_write(mod, - SSI_SYS_INT_ENABLE((i * 2) + 1), - sys_int_enable); - } - - break; - } - } + if (is_tdm || is_tdm_split) + rsnd_ssi_busif_err_irq_disable(mod); return 0; } |