diff options
Diffstat (limited to 'sound/soc/sh/rcar/ssi.c')
| -rw-r--r-- | sound/soc/sh/rcar/ssi.c | 267 |
1 files changed, 122 insertions, 145 deletions
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c index d0ded427a836..e29482c26d6a 100644 --- a/sound/soc/sh/rcar/ssi.c +++ b/sound/soc/sh/rcar/ssi.c @@ -24,23 +24,23 @@ /* * SSICR */ -#define FORCE (1 << 31) /* Fixed */ -#define DMEN (1 << 28) /* DMA Enable */ -#define UIEN (1 << 27) /* Underflow Interrupt Enable */ -#define OIEN (1 << 26) /* Overflow Interrupt Enable */ -#define IIEN (1 << 25) /* Idle Mode Interrupt Enable */ -#define DIEN (1 << 24) /* Data Interrupt Enable */ -#define CHNL_4 (1 << 22) /* Channels */ -#define CHNL_6 (2 << 22) /* Channels */ -#define CHNL_8 (3 << 22) /* Channels */ -#define DWL_MASK (7 << 19) /* Data Word Length mask */ -#define DWL_8 (0 << 19) /* Data Word Length */ -#define DWL_16 (1 << 19) /* Data Word Length */ -#define DWL_18 (2 << 19) /* Data Word Length */ -#define DWL_20 (3 << 19) /* Data Word Length */ -#define DWL_22 (4 << 19) /* Data Word Length */ -#define DWL_24 (5 << 19) /* Data Word Length */ -#define DWL_32 (6 << 19) /* Data Word Length */ +#define FORCE (1u << 31) /* Fixed */ +#define DMEN (1u << 28) /* DMA Enable */ +#define UIEN (1u << 27) /* Underflow Interrupt Enable */ +#define OIEN (1u << 26) /* Overflow Interrupt Enable */ +#define IIEN (1u << 25) /* Idle Mode Interrupt Enable */ +#define DIEN (1u << 24) /* Data Interrupt Enable */ +#define CHNL_4 (1u << 22) /* Channels */ +#define CHNL_6 (2u << 22) /* Channels */ +#define CHNL_8 (3u << 22) /* Channels */ +#define DWL_MASK (7u << 19) /* Data Word Length mask */ +#define DWL_8 (0u << 19) /* Data Word Length */ +#define DWL_16 (1u << 19) /* Data Word Length */ +#define DWL_18 (2u << 19) /* Data Word Length */ +#define DWL_20 (3u << 19) /* Data Word Length */ +#define DWL_22 (4u << 19) /* Data Word Length */ +#define DWL_24 (5u << 19) /* Data Word Length */ +#define DWL_32 (6u << 19) /* Data Word Length */ /* * System word length @@ -167,7 +167,6 @@ static void rsnd_ssi_status_check(struct rsnd_mod *mod, static u32 rsnd_ssi_multi_secondaries(struct rsnd_dai_stream *io) { - struct rsnd_mod *mod; enum rsnd_mod_type types[] = { RSND_MOD_SSIM1, RSND_MOD_SSIM2, @@ -177,7 +176,8 @@ static u32 rsnd_ssi_multi_secondaries(struct rsnd_dai_stream *io) mask = 0; for (i = 0; i < ARRAY_SIZE(types); i++) { - mod = rsnd_io_to_mod(io, types[i]); + struct rsnd_mod *mod = rsnd_io_to_mod(io, types[i]); + if (!mod) continue; @@ -359,6 +359,96 @@ 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); + struct device *dev = rsnd_priv_to_dev(priv); + u32 status; + bool stop = false; + 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++) { + status = rsnd_mod_read(mod, SSI_SYS_STATUS(i * 2)); + status &= 0xf << (id * 4); + + if (status) { + rsnd_dbg_irq_status(dev, "%s err status : 0x%08x\n", + rsnd_mod_name(mod), status); + rsnd_mod_write(mod, + SSI_SYS_STATUS(i * 2), + 0xf << (id * 4)); + stop = true; + } + } + break; + case 9: + for (i = 0; i < 4; i++) { + status = rsnd_mod_read(mod, SSI_SYS_STATUS((i * 2) + 1)); + status &= 0xf << 4; + + if (status) { + rsnd_dbg_irq_status(dev, "%s err status : 0x%08x\n", + rsnd_mod_name(mod), status); + rsnd_mod_write(mod, + SSI_SYS_STATUS((i * 2) + 1), + 0xf << 4); + stop = true; + } + } + break; + } + + return stop; +} + static void rsnd_ssi_config_init(struct rsnd_mod *mod, struct rsnd_dai_stream *io) { @@ -372,9 +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); @@ -400,7 +487,6 @@ static void rsnd_ssi_config_init(struct rsnd_mod *mod, * see * rsnd_ssiu_init_gen2() */ - wsr = ssi->wsr; if (is_tdm || is_tdm_split) { wsr |= WS_MODE; cr_own |= CHNL_8; @@ -451,36 +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; @@ -507,10 +565,15 @@ static int rsnd_ssi_init(struct rsnd_mod *mod, struct rsnd_priv *priv) { struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); + int ret; if (!rsnd_ssi_is_run_mods(mod, io)) return 0; + ret = rsnd_ssi_master_clk_start(mod, io); + if (ret < 0) + return ret; + ssi->usrcnt++; rsnd_mod_power_on(mod); @@ -532,9 +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); - int i; - u32 sys_int_enable = 0; is_tdm = rsnd_runtime_is_tdm(io); is_tdm_split = rsnd_runtime_is_tdm_split(io); @@ -560,36 +620,8 @@ static int rsnd_ssi_quit(struct rsnd_mod *mod, } /* disable 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_disable(mod); return 0; } @@ -743,8 +775,6 @@ static void __rsnd_ssi_interrupt(struct rsnd_mod *mod, u32 status; bool elapsed = false; bool stop = false; - int id = rsnd_mod_id(mod); - int i; int is_tdm, is_tdm_split; is_tdm = rsnd_runtime_is_tdm(io); @@ -770,52 +800,8 @@ static void __rsnd_ssi_interrupt(struct rsnd_mod *mod, stop = true; } - status = 0; - - if (is_tdm || is_tdm_split) { - switch (id) { - case 0: - case 1: - case 2: - case 3: - case 4: - for (i = 0; i < 4; i++) { - status = rsnd_mod_read(mod, - SSI_SYS_STATUS(i * 2)); - status &= 0xf << (id * 4); - - if (status) { - rsnd_dbg_irq_status(dev, - "%s err status : 0x%08x\n", - rsnd_mod_name(mod), status); - rsnd_mod_write(mod, - SSI_SYS_STATUS(i * 2), - 0xf << (id * 4)); - stop = true; - break; - } - } - break; - case 9: - for (i = 0; i < 4; i++) { - status = rsnd_mod_read(mod, - SSI_SYS_STATUS((i * 2) + 1)); - status &= 0xf << 4; - - if (status) { - rsnd_dbg_irq_status(dev, - "%s err status : 0x%08x\n", - rsnd_mod_name(mod), status); - rsnd_mod_write(mod, - SSI_SYS_STATUS((i * 2) + 1), - 0xf << 4); - stop = true; - break; - } - } - break; - } - } + if (is_tdm || is_tdm_split) + stop |= rsnd_ssi_busif_err_status_clear(mod); rsnd_ssi_status_clear(mod); rsnd_ssi_interrupt_out: @@ -1060,13 +1046,6 @@ static int rsnd_ssi_pio_pointer(struct rsnd_mod *mod, return 0; } -static int rsnd_ssi_prepare(struct rsnd_mod *mod, - struct rsnd_dai_stream *io, - struct rsnd_priv *priv) -{ - return rsnd_ssi_master_clk_start(mod, io); -} - static struct rsnd_mod_ops rsnd_ssi_pio_ops = { .name = SSI_NAME, .probe = rsnd_ssi_common_probe, @@ -1079,7 +1058,6 @@ static struct rsnd_mod_ops rsnd_ssi_pio_ops = { .pointer = rsnd_ssi_pio_pointer, .pcm_new = rsnd_ssi_pcm_new, .hw_params = rsnd_ssi_hw_params, - .prepare = rsnd_ssi_prepare, .get_status = rsnd_ssi_get_status, }; @@ -1166,7 +1144,6 @@ static struct rsnd_mod_ops rsnd_ssi_dma_ops = { .pcm_new = rsnd_ssi_pcm_new, .fallback = rsnd_ssi_fallback, .hw_params = rsnd_ssi_hw_params, - .prepare = rsnd_ssi_prepare, .get_status = rsnd_ssi_get_status, }; @@ -1210,7 +1187,6 @@ void rsnd_parse_connect_ssi(struct rsnd_dai *rdai, struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); struct device_node *node; struct device_node *np; - struct rsnd_mod *mod; int i; node = rsnd_ssi_of_node(priv); @@ -1219,7 +1195,8 @@ void rsnd_parse_connect_ssi(struct rsnd_dai *rdai, i = 0; for_each_child_of_node(node, np) { - mod = rsnd_ssi_mod_get(priv, i); + struct rsnd_mod *mod = rsnd_ssi_mod_get(priv, i); + if (np == playback) rsnd_ssi_connect(mod, &rdai->playback); if (np == capture) |