diff options
Diffstat (limited to 'sound/soc/sunxi/sun4i-i2s.c')
-rw-r--r-- | sound/soc/sunxi/sun4i-i2s.c | 548 |
1 files changed, 444 insertions, 104 deletions
diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c index f23ff29e7c1d..40de99a34bc3 100644 --- a/sound/soc/sunxi/sun4i-i2s.c +++ b/sound/soc/sunxi/sun4i-i2s.c @@ -10,7 +10,7 @@ #include <linux/clk.h> #include <linux/dmaengine.h> #include <linux/module.h> -#include <linux/of_device.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/regmap.h> @@ -48,6 +48,9 @@ #define SUN4I_I2S_FMT0_FMT_I2S (0 << 0) #define SUN4I_I2S_FMT1_REG 0x08 +#define SUN4I_I2S_FMT1_REG_SEXT_MASK BIT(8) +#define SUN4I_I2S_FMT1_REG_SEXT(sext) ((sext) << 8) + #define SUN4I_I2S_FIFO_TX_REG 0x0c #define SUN4I_I2S_FIFO_RX_REG 0x10 @@ -97,21 +100,24 @@ #define SUN8I_I2S_CTRL_MODE_PCM (0 << 4) #define SUN8I_I2S_FMT0_LRCLK_POLARITY_MASK BIT(19) -#define SUN8I_I2S_FMT0_LRCLK_POLARITY_INVERTED (1 << 19) -#define SUN8I_I2S_FMT0_LRCLK_POLARITY_NORMAL (0 << 19) +#define SUN8I_I2S_FMT0_LRCLK_POLARITY_START_HIGH (1 << 19) +#define SUN8I_I2S_FMT0_LRCLK_POLARITY_START_LOW (0 << 19) #define SUN8I_I2S_FMT0_LRCK_PERIOD_MASK GENMASK(17, 8) #define SUN8I_I2S_FMT0_LRCK_PERIOD(period) ((period - 1) << 8) #define SUN8I_I2S_FMT0_BCLK_POLARITY_MASK BIT(7) #define SUN8I_I2S_FMT0_BCLK_POLARITY_INVERTED (1 << 7) #define SUN8I_I2S_FMT0_BCLK_POLARITY_NORMAL (0 << 7) +#define SUN8I_I2S_FMT1_REG_SEXT_MASK GENMASK(5, 4) +#define SUN8I_I2S_FMT1_REG_SEXT(sext) ((sext) << 4) + #define SUN8I_I2S_INT_STA_REG 0x0c #define SUN8I_I2S_FIFO_TX_REG 0x20 #define SUN8I_I2S_CHAN_CFG_REG 0x30 -#define SUN8I_I2S_CHAN_CFG_RX_SLOT_NUM_MASK GENMASK(6, 4) +#define SUN8I_I2S_CHAN_CFG_RX_SLOT_NUM_MASK GENMASK(7, 4) #define SUN8I_I2S_CHAN_CFG_RX_SLOT_NUM(chan) ((chan - 1) << 4) -#define SUN8I_I2S_CHAN_CFG_TX_SLOT_NUM_MASK GENMASK(2, 0) +#define SUN8I_I2S_CHAN_CFG_TX_SLOT_NUM_MASK GENMASK(3, 0) #define SUN8I_I2S_CHAN_CFG_TX_SLOT_NUM(chan) (chan - 1) #define SUN8I_I2S_TX_CHAN_MAP_REG 0x44 @@ -124,16 +130,40 @@ #define SUN8I_I2S_RX_CHAN_SEL_REG 0x54 #define SUN8I_I2S_RX_CHAN_MAP_REG 0x58 +/* Defines required for sun50i-h6 support */ +#define SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET_MASK GENMASK(21, 20) +#define SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET(offset) ((offset) << 20) +#define SUN50I_H6_I2S_TX_CHAN_SEL_MASK GENMASK(19, 16) +#define SUN50I_H6_I2S_TX_CHAN_SEL(chan) ((chan - 1) << 16) +#define SUN50I_H6_I2S_TX_CHAN_EN_MASK GENMASK(15, 0) +#define SUN50I_H6_I2S_TX_CHAN_EN(num_chan) (((1 << num_chan) - 1)) + +#define SUN50I_H6_I2S_TX_CHAN_SEL_REG(pin) (0x34 + 4 * (pin)) +#define SUN50I_H6_I2S_TX_CHAN_MAP0_REG(pin) (0x44 + 8 * (pin)) +#define SUN50I_H6_I2S_TX_CHAN_MAP1_REG(pin) (0x48 + 8 * (pin)) + +#define SUN50I_H6_I2S_RX_CHAN_SEL_REG 0x64 +#define SUN50I_H6_I2S_RX_CHAN_MAP0_REG 0x68 +#define SUN50I_H6_I2S_RX_CHAN_MAP1_REG 0x6C + +#define SUN50I_R329_I2S_RX_CHAN_MAP0_REG 0x68 +#define SUN50I_R329_I2S_RX_CHAN_MAP1_REG 0x6c +#define SUN50I_R329_I2S_RX_CHAN_MAP2_REG 0x70 +#define SUN50I_R329_I2S_RX_CHAN_MAP3_REG 0x74 + struct sun4i_i2s; /** * struct sun4i_i2s_quirks - Differences between SoC variants. * @has_reset: SoC needs reset deasserted. + * @pcm_formats: available PCM formats. * @reg_offset_txdata: offset of the tx fifo. * @sun4i_i2s_regmap: regmap config to use. * @field_clkdiv_mclk_en: regmap field to enable mclk output. * @field_fmt_wss: regmap field to set word select size. * @field_fmt_sr: regmap field to set sample resolution. + * @num_din_pins: input pins + * @num_dout_pins: output pins (currently set but unused) * @bclk_dividers: bit clock dividers array * @num_bclk_dividers: number of bit clock dividers * @mclk_dividers: mclk dividers array @@ -146,6 +176,7 @@ struct sun4i_i2s; */ struct sun4i_i2s_quirks { bool has_reset; + u64 pcm_formats; unsigned int reg_offset_txdata; /* TX FIFO */ const struct regmap_config *sun4i_i2s_regmap; @@ -154,17 +185,27 @@ struct sun4i_i2s_quirks { struct reg_field field_fmt_wss; struct reg_field field_fmt_sr; + unsigned int num_din_pins; + unsigned int num_dout_pins; + const struct sun4i_i2s_clk_div *bclk_dividers; unsigned int num_bclk_dividers; const struct sun4i_i2s_clk_div *mclk_dividers; unsigned int num_mclk_dividers; - unsigned long (*get_bclk_parent_rate)(const struct sun4i_i2s *); - s8 (*get_sr)(const struct sun4i_i2s *, int); - s8 (*get_wss)(const struct sun4i_i2s *, int); - int (*set_chan_cfg)(const struct sun4i_i2s *, - const struct snd_pcm_hw_params *); - int (*set_fmt)(const struct sun4i_i2s *, unsigned int); + unsigned long (*get_bclk_parent_rate)(const struct sun4i_i2s *i2s); + int (*get_sr)(unsigned int width); + int (*get_wss)(unsigned int width); + + /* + * In the set_chan_cfg() function pointer: + * @slots: channels per frame + padding slots, regardless of format + * @slot_width: bits per sample + padding bits, regardless of format + */ + int (*set_chan_cfg)(const struct sun4i_i2s *i2s, + unsigned int channels, unsigned int slots, + unsigned int slot_width); + int (*set_fmt)(const struct sun4i_i2s *i2s, unsigned int fmt); }; struct sun4i_i2s { @@ -365,44 +406,62 @@ static int sun4i_i2s_set_clk_rate(struct snd_soc_dai *dai, return 0; } -static s8 sun4i_i2s_get_sr(const struct sun4i_i2s *i2s, int width) +static int sun4i_i2s_get_sr(unsigned int width) { - if (width < 16 || width > 24) - return -EINVAL; - - if (width % 4) - return -EINVAL; + switch (width) { + case 16: + return 0; + case 20: + return 1; + case 24: + return 2; + } - return (width - 16) / 4; + return -EINVAL; } -static s8 sun4i_i2s_get_wss(const struct sun4i_i2s *i2s, int width) +static int sun4i_i2s_get_wss(unsigned int width) { - if (width < 16 || width > 32) - return -EINVAL; - - if (width % 4) - return -EINVAL; + switch (width) { + case 16: + return 0; + case 20: + return 1; + case 24: + return 2; + case 32: + return 3; + } - return (width - 16) / 4; + return -EINVAL; } -static s8 sun8i_i2s_get_sr_wss(const struct sun4i_i2s *i2s, int width) +static int sun8i_i2s_get_sr_wss(unsigned int width) { - if (width % 4) - return -EINVAL; - - if (width < 8 || width > 32) - return -EINVAL; + switch (width) { + case 8: + return 1; + case 12: + return 2; + case 16: + return 3; + case 20: + return 4; + case 24: + return 5; + case 28: + return 6; + case 32: + return 7; + } - return (width - 8) / 4 + 1; + return -EINVAL; } static int sun4i_i2s_set_chan_cfg(const struct sun4i_i2s *i2s, - const struct snd_pcm_hw_params *params) + unsigned int channels, unsigned int slots, + unsigned int slot_width) { - unsigned int channels = params_channels(params); - /* Map the channels for playback and capture */ regmap_write(i2s->regmap, SUN4I_I2S_TX_CHAN_MAP_REG, 0x76543210); regmap_write(i2s->regmap, SUN4I_I2S_RX_CHAN_MAP_REG, 0x00003210); @@ -419,15 +478,11 @@ static int sun4i_i2s_set_chan_cfg(const struct sun4i_i2s *i2s, } static int sun8i_i2s_set_chan_cfg(const struct sun4i_i2s *i2s, - const struct snd_pcm_hw_params *params) + unsigned int channels, unsigned int slots, + unsigned int slot_width) { - unsigned int channels = params_channels(params); - unsigned int slots = channels; unsigned int lrck_period; - if (i2s->slots) - slots = i2s->slots; - /* Map the channels for playback and capture */ regmap_write(i2s->regmap, SUN8I_I2S_TX_CHAN_MAP_REG, 0x76543210); regmap_write(i2s->regmap, SUN8I_I2S_RX_CHAN_MAP_REG, 0x76543210); @@ -450,13 +505,13 @@ static int sun8i_i2s_set_chan_cfg(const struct sun4i_i2s *i2s, switch (i2s->format & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_DSP_A: case SND_SOC_DAIFMT_DSP_B: - case SND_SOC_DAIFMT_LEFT_J: - case SND_SOC_DAIFMT_RIGHT_J: - lrck_period = params_physical_width(params) * slots; + lrck_period = slot_width * slots; break; + case SND_SOC_DAIFMT_LEFT_J: + case SND_SOC_DAIFMT_RIGHT_J: case SND_SOC_DAIFMT_I2S: - lrck_period = params_physical_width(params); + lrck_period = slot_width; break; default: @@ -474,6 +529,67 @@ static int sun8i_i2s_set_chan_cfg(const struct sun4i_i2s *i2s, return 0; } +static int sun50i_h6_i2s_set_chan_cfg(const struct sun4i_i2s *i2s, + unsigned int channels, unsigned int slots, + unsigned int slot_width) +{ + unsigned int lrck_period; + + /* Map the channels for playback and capture */ + regmap_write(i2s->regmap, SUN50I_H6_I2S_TX_CHAN_MAP0_REG(0), 0xFEDCBA98); + regmap_write(i2s->regmap, SUN50I_H6_I2S_TX_CHAN_MAP1_REG(0), 0x76543210); + if (i2s->variant->num_din_pins > 1) { + regmap_write(i2s->regmap, SUN50I_R329_I2S_RX_CHAN_MAP0_REG, 0x0F0E0D0C); + regmap_write(i2s->regmap, SUN50I_R329_I2S_RX_CHAN_MAP1_REG, 0x0B0A0908); + regmap_write(i2s->regmap, SUN50I_R329_I2S_RX_CHAN_MAP2_REG, 0x07060504); + regmap_write(i2s->regmap, SUN50I_R329_I2S_RX_CHAN_MAP3_REG, 0x03020100); + } else { + regmap_write(i2s->regmap, SUN50I_H6_I2S_RX_CHAN_MAP0_REG, 0xFEDCBA98); + regmap_write(i2s->regmap, SUN50I_H6_I2S_RX_CHAN_MAP1_REG, 0x76543210); + } + + /* Configure the channels */ + regmap_update_bits(i2s->regmap, SUN50I_H6_I2S_TX_CHAN_SEL_REG(0), + SUN50I_H6_I2S_TX_CHAN_SEL_MASK, + SUN50I_H6_I2S_TX_CHAN_SEL(channels)); + regmap_update_bits(i2s->regmap, SUN50I_H6_I2S_RX_CHAN_SEL_REG, + SUN50I_H6_I2S_TX_CHAN_SEL_MASK, + SUN50I_H6_I2S_TX_CHAN_SEL(channels)); + + regmap_update_bits(i2s->regmap, SUN8I_I2S_CHAN_CFG_REG, + SUN8I_I2S_CHAN_CFG_TX_SLOT_NUM_MASK, + SUN8I_I2S_CHAN_CFG_TX_SLOT_NUM(channels)); + regmap_update_bits(i2s->regmap, SUN8I_I2S_CHAN_CFG_REG, + SUN8I_I2S_CHAN_CFG_RX_SLOT_NUM_MASK, + SUN8I_I2S_CHAN_CFG_RX_SLOT_NUM(channels)); + + switch (i2s->format & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_A: + case SND_SOC_DAIFMT_DSP_B: + lrck_period = slot_width * slots; + break; + + case SND_SOC_DAIFMT_LEFT_J: + case SND_SOC_DAIFMT_RIGHT_J: + case SND_SOC_DAIFMT_I2S: + lrck_period = slot_width; + break; + + default: + return -EINVAL; + } + + regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG, + SUN8I_I2S_FMT0_LRCK_PERIOD_MASK, + SUN8I_I2S_FMT0_LRCK_PERIOD(lrck_period)); + + regmap_update_bits(i2s->regmap, SUN50I_H6_I2S_TX_CHAN_SEL_REG(0), + SUN50I_H6_I2S_TX_CHAN_EN_MASK, + SUN50I_H6_I2S_TX_CHAN_EN(channels)); + + return 0; +} + static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) @@ -482,7 +598,9 @@ static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream, unsigned int word_size = params_width(params); unsigned int slot_width = params_physical_width(params); unsigned int channels = params_channels(params); + unsigned int slots = channels; + int ret, sr, wss; u32 width; @@ -492,16 +610,26 @@ static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream, if (i2s->slot_width) slot_width = i2s->slot_width; - ret = i2s->variant->set_chan_cfg(i2s, params); + ret = i2s->variant->set_chan_cfg(i2s, channels, slots, slot_width); if (ret < 0) { dev_err(dai->dev, "Invalid channel configuration\n"); return ret; } + /* Set significant bits in our FIFOs */ + regmap_update_bits(i2s->regmap, SUN4I_I2S_FIFO_CTRL_REG, + SUN4I_I2S_FIFO_CTRL_TX_MODE_MASK | + SUN4I_I2S_FIFO_CTRL_RX_MODE_MASK, + SUN4I_I2S_FIFO_CTRL_TX_MODE(1) | + SUN4I_I2S_FIFO_CTRL_RX_MODE(1)); + switch (params_physical_width(params)) { case 16: width = DMA_SLAVE_BUSWIDTH_2_BYTES; break; + case 32: + width = DMA_SLAVE_BUSWIDTH_4_BYTES; + break; default: dev_err(dai->dev, "Unsupported physical sample width: %d\n", params_physical_width(params)); @@ -509,11 +637,11 @@ static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream, } i2s->playback_dma_data.addr_width = width; - sr = i2s->variant->get_sr(i2s, word_size); + sr = i2s->variant->get_sr(word_size); if (sr < 0) return -EINVAL; - wss = i2s->variant->get_wss(i2s, slot_width); + wss = i2s->variant->get_wss(slot_width); if (wss < 0) return -EINVAL; @@ -578,13 +706,13 @@ static int sun4i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s, SUN4I_I2S_FMT0_FMT_MASK, val); /* DAI clock master masks */ - switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBS_CFS: + switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { + case SND_SOC_DAIFMT_BP_FP: /* BCLK and LRCLK master */ val = SUN4I_I2S_CTRL_MODE_MASTER; break; - case SND_SOC_DAIFMT_CBM_CFM: + case SND_SOC_DAIFMT_BC_FC: /* BCLK and LRCLK slave */ val = SUN4I_I2S_CTRL_MODE_SLAVE; break; @@ -594,38 +722,80 @@ static int sun4i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s, } regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG, SUN4I_I2S_CTRL_MODE_MASK, val); + return 0; } static int sun8i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s, unsigned int fmt) { - u32 mode, val; + u32 mode, lrclk_pol, bclk_pol, val; u8 offset; - /* - * DAI clock polarity - * - * The setup for LRCK contradicts the datasheet, but under a - * scope it's clear that the LRCK polarity is reversed - * compared to the expected polarity on the bus. - */ + /* DAI Mode */ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_A: + lrclk_pol = SUN8I_I2S_FMT0_LRCLK_POLARITY_START_HIGH; + mode = SUN8I_I2S_CTRL_MODE_PCM; + offset = 1; + break; + + case SND_SOC_DAIFMT_DSP_B: + lrclk_pol = SUN8I_I2S_FMT0_LRCLK_POLARITY_START_HIGH; + mode = SUN8I_I2S_CTRL_MODE_PCM; + offset = 0; + break; + + case SND_SOC_DAIFMT_I2S: + lrclk_pol = SUN8I_I2S_FMT0_LRCLK_POLARITY_START_LOW; + mode = SUN8I_I2S_CTRL_MODE_LEFT; + offset = 1; + break; + + case SND_SOC_DAIFMT_LEFT_J: + lrclk_pol = SUN8I_I2S_FMT0_LRCLK_POLARITY_START_HIGH; + mode = SUN8I_I2S_CTRL_MODE_LEFT; + offset = 0; + break; + + case SND_SOC_DAIFMT_RIGHT_J: + lrclk_pol = SUN8I_I2S_FMT0_LRCLK_POLARITY_START_HIGH; + mode = SUN8I_I2S_CTRL_MODE_RIGHT; + offset = 0; + break; + + default: + return -EINVAL; + } + + regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG, + SUN8I_I2S_CTRL_MODE_MASK, mode); + regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG, + SUN8I_I2S_TX_CHAN_OFFSET_MASK, + SUN8I_I2S_TX_CHAN_OFFSET(offset)); + regmap_update_bits(i2s->regmap, SUN8I_I2S_RX_CHAN_SEL_REG, + SUN8I_I2S_TX_CHAN_OFFSET_MASK, + SUN8I_I2S_TX_CHAN_OFFSET(offset)); + + /* DAI clock polarity */ + bclk_pol = SUN8I_I2S_FMT0_BCLK_POLARITY_NORMAL; + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { case SND_SOC_DAIFMT_IB_IF: /* Invert both clocks */ - val = SUN8I_I2S_FMT0_BCLK_POLARITY_INVERTED; + lrclk_pol ^= SUN8I_I2S_FMT0_LRCLK_POLARITY_MASK; + bclk_pol = SUN8I_I2S_FMT0_BCLK_POLARITY_INVERTED; break; case SND_SOC_DAIFMT_IB_NF: /* Invert bit clock */ - val = SUN8I_I2S_FMT0_BCLK_POLARITY_INVERTED | - SUN8I_I2S_FMT0_LRCLK_POLARITY_INVERTED; + bclk_pol = SUN8I_I2S_FMT0_BCLK_POLARITY_INVERTED; break; case SND_SOC_DAIFMT_NB_IF: /* Invert frame clock */ - val = 0; + lrclk_pol ^= SUN8I_I2S_FMT0_LRCLK_POLARITY_MASK; break; case SND_SOC_DAIFMT_NB_NF: - val = SUN8I_I2S_FMT0_LRCLK_POLARITY_INVERTED; + /* No inversion */ break; default: return -EINVAL; @@ -634,31 +804,70 @@ static int sun8i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s, regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG, SUN8I_I2S_FMT0_LRCLK_POLARITY_MASK | SUN8I_I2S_FMT0_BCLK_POLARITY_MASK, + lrclk_pol | bclk_pol); + + /* DAI clock master masks */ + switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { + case SND_SOC_DAIFMT_BP_FP: + /* BCLK and LRCLK master */ + val = SUN8I_I2S_CTRL_BCLK_OUT | SUN8I_I2S_CTRL_LRCK_OUT; + break; + + case SND_SOC_DAIFMT_BC_FC: + /* BCLK and LRCLK slave */ + val = 0; + break; + + default: + return -EINVAL; + } + + regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG, + SUN8I_I2S_CTRL_BCLK_OUT | SUN8I_I2S_CTRL_LRCK_OUT, val); + /* Set sign extension to pad out LSB with 0 */ + regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT1_REG, + SUN8I_I2S_FMT1_REG_SEXT_MASK, + SUN8I_I2S_FMT1_REG_SEXT(0)); + + return 0; +} + +static int sun50i_h6_i2s_set_soc_fmt(const struct sun4i_i2s *i2s, + unsigned int fmt) +{ + u32 mode, lrclk_pol, bclk_pol, val; + u8 offset; + /* DAI Mode */ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_DSP_A: + lrclk_pol = SUN8I_I2S_FMT0_LRCLK_POLARITY_START_HIGH; mode = SUN8I_I2S_CTRL_MODE_PCM; offset = 1; break; case SND_SOC_DAIFMT_DSP_B: + lrclk_pol = SUN8I_I2S_FMT0_LRCLK_POLARITY_START_HIGH; mode = SUN8I_I2S_CTRL_MODE_PCM; offset = 0; break; case SND_SOC_DAIFMT_I2S: + lrclk_pol = SUN8I_I2S_FMT0_LRCLK_POLARITY_START_LOW; mode = SUN8I_I2S_CTRL_MODE_LEFT; offset = 1; break; case SND_SOC_DAIFMT_LEFT_J: + lrclk_pol = SUN8I_I2S_FMT0_LRCLK_POLARITY_START_HIGH; mode = SUN8I_I2S_CTRL_MODE_LEFT; offset = 0; break; case SND_SOC_DAIFMT_RIGHT_J: + lrclk_pol = SUN8I_I2S_FMT0_LRCLK_POLARITY_START_HIGH; mode = SUN8I_I2S_CTRL_MODE_RIGHT; offset = 0; break; @@ -670,20 +879,50 @@ static int sun8i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s, regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG, SUN8I_I2S_CTRL_MODE_MASK, mode); regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG, - SUN8I_I2S_TX_CHAN_OFFSET_MASK, - SUN8I_I2S_TX_CHAN_OFFSET(offset)); - regmap_update_bits(i2s->regmap, SUN8I_I2S_RX_CHAN_SEL_REG, - SUN8I_I2S_TX_CHAN_OFFSET_MASK, - SUN8I_I2S_TX_CHAN_OFFSET(offset)); + SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET_MASK, + SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET(offset)); + regmap_update_bits(i2s->regmap, SUN50I_H6_I2S_RX_CHAN_SEL_REG, + SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET_MASK, + SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET(offset)); + + /* DAI clock polarity */ + bclk_pol = SUN8I_I2S_FMT0_BCLK_POLARITY_NORMAL; + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_IB_IF: + /* Invert both clocks */ + lrclk_pol ^= SUN8I_I2S_FMT0_LRCLK_POLARITY_MASK; + bclk_pol = SUN8I_I2S_FMT0_BCLK_POLARITY_INVERTED; + break; + case SND_SOC_DAIFMT_IB_NF: + /* Invert bit clock */ + bclk_pol = SUN8I_I2S_FMT0_BCLK_POLARITY_INVERTED; + break; + case SND_SOC_DAIFMT_NB_IF: + /* Invert frame clock */ + lrclk_pol ^= SUN8I_I2S_FMT0_LRCLK_POLARITY_MASK; + break; + case SND_SOC_DAIFMT_NB_NF: + /* No inversion */ + break; + default: + return -EINVAL; + } + + regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG, + SUN8I_I2S_FMT0_LRCLK_POLARITY_MASK | + SUN8I_I2S_FMT0_BCLK_POLARITY_MASK, + lrclk_pol | bclk_pol); + /* DAI clock master masks */ - switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBS_CFS: + switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { + case SND_SOC_DAIFMT_BP_FP: /* BCLK and LRCLK master */ val = SUN8I_I2S_CTRL_BCLK_OUT | SUN8I_I2S_CTRL_LRCK_OUT; break; - case SND_SOC_DAIFMT_CBM_CFM: + case SND_SOC_DAIFMT_BC_FC: /* BCLK and LRCLK slave */ val = 0; break; @@ -696,6 +935,11 @@ static int sun8i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s, SUN8I_I2S_CTRL_BCLK_OUT | SUN8I_I2S_CTRL_LRCK_OUT, val); + /* Set sign extension to pad out LSB with 0 */ + regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT1_REG, + SUN8I_I2S_FMT1_REG_SEXT_MASK, + SUN8I_I2S_FMT1_REG_SEXT(0)); + return 0; } @@ -710,13 +954,6 @@ static int sun4i_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) return ret; } - /* Set significant bits in our FIFOs */ - regmap_update_bits(i2s->regmap, SUN4I_I2S_FIFO_CTRL_REG, - SUN4I_I2S_FIFO_CTRL_TX_MODE_MASK | - SUN4I_I2S_FIFO_CTRL_RX_MODE_MASK, - SUN4I_I2S_FIFO_CTRL_TX_MODE(1) | - SUN4I_I2S_FIFO_CTRL_RX_MODE(1)); - i2s->format = fmt; return 0; @@ -849,14 +1086,6 @@ static int sun4i_i2s_set_tdm_slot(struct snd_soc_dai *dai, return 0; } -static const struct snd_soc_dai_ops sun4i_i2s_dai_ops = { - .hw_params = sun4i_i2s_hw_params, - .set_fmt = sun4i_i2s_set_fmt, - .set_sysclk = sun4i_i2s_set_sysclk, - .set_tdm_slot = sun4i_i2s_set_tdm_slot, - .trigger = sun4i_i2s_trigger, -}; - static int sun4i_i2s_dai_probe(struct snd_soc_dai *dai) { struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai); @@ -865,33 +1094,55 @@ static int sun4i_i2s_dai_probe(struct snd_soc_dai *dai) &i2s->playback_dma_data, &i2s->capture_dma_data); - snd_soc_dai_set_drvdata(dai, i2s); - return 0; } +static int sun4i_i2s_dai_startup(struct snd_pcm_substream *sub, struct snd_soc_dai *dai) +{ + struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai); + struct snd_pcm_runtime *runtime = sub->runtime; + + return snd_pcm_hw_constraint_mask64(runtime, SNDRV_PCM_HW_PARAM_FORMAT, + i2s->variant->pcm_formats); +} + +static const struct snd_soc_dai_ops sun4i_i2s_dai_ops = { + .probe = sun4i_i2s_dai_probe, + .startup = sun4i_i2s_dai_startup, + .hw_params = sun4i_i2s_hw_params, + .set_fmt = sun4i_i2s_set_fmt, + .set_sysclk = sun4i_i2s_set_sysclk, + .set_tdm_slot = sun4i_i2s_set_tdm_slot, + .trigger = sun4i_i2s_trigger, +}; + +#define SUN4I_FORMATS_ALL (SNDRV_PCM_FMTBIT_S16_LE | \ + SNDRV_PCM_FMTBIT_S20_LE | \ + SNDRV_PCM_FMTBIT_S24_LE | \ + SNDRV_PCM_FMTBIT_S32_LE) + static struct snd_soc_dai_driver sun4i_i2s_dai = { - .probe = sun4i_i2s_dai_probe, .capture = { .stream_name = "Capture", .channels_min = 1, .channels_max = 8, .rates = SNDRV_PCM_RATE_8000_192000, - .formats = SNDRV_PCM_FMTBIT_S16_LE, + .formats = SUN4I_FORMATS_ALL, }, .playback = { .stream_name = "Playback", .channels_min = 1, .channels_max = 8, .rates = SNDRV_PCM_RATE_8000_192000, - .formats = SNDRV_PCM_FMTBIT_S16_LE, + .formats = SUN4I_FORMATS_ALL, }, .ops = &sun4i_i2s_dai_ops, - .symmetric_rates = 1, + .symmetric_rate = 1, }; static const struct snd_soc_component_driver sun4i_i2s_component = { - .name = "sun4i-dai", + .name = "sun4i-dai", + .legacy_dai_naming = 1, }; static bool sun4i_i2s_rd_reg(struct device *dev, unsigned int reg) @@ -944,12 +1195,19 @@ static bool sun8i_i2s_rd_reg(struct device *dev, unsigned int reg) static bool sun8i_i2s_volatile_reg(struct device *dev, unsigned int reg) { - if (reg == SUN8I_I2S_INT_STA_REG) + switch (reg) { + case SUN4I_I2S_FIFO_CTRL_REG: + case SUN4I_I2S_FIFO_RX_REG: + case SUN4I_I2S_FIFO_STA_REG: + case SUN4I_I2S_RX_CNT_REG: + case SUN4I_I2S_TX_CNT_REG: + case SUN8I_I2S_FIFO_TX_REG: + case SUN8I_I2S_INT_STA_REG: return true; - if (reg == SUN8I_I2S_FIFO_TX_REG) - return false; - return sun4i_i2s_volatile_reg(dev, reg); + default: + return false; + } } static const struct reg_default sun4i_i2s_reg_defaults[] = { @@ -979,6 +1237,22 @@ static const struct reg_default sun8i_i2s_reg_defaults[] = { { SUN8I_I2S_RX_CHAN_MAP_REG, 0x00000000 }, }; +static const struct reg_default sun50i_h6_i2s_reg_defaults[] = { + { SUN4I_I2S_CTRL_REG, 0x00060000 }, + { SUN4I_I2S_FMT0_REG, 0x00000033 }, + { SUN4I_I2S_FMT1_REG, 0x00000030 }, + { SUN4I_I2S_FIFO_CTRL_REG, 0x000400f0 }, + { SUN4I_I2S_DMA_INT_CTRL_REG, 0x00000000 }, + { SUN4I_I2S_CLK_DIV_REG, 0x00000000 }, + { SUN8I_I2S_CHAN_CFG_REG, 0x00000000 }, + { SUN50I_H6_I2S_TX_CHAN_SEL_REG(0), 0x00000000 }, + { SUN50I_H6_I2S_TX_CHAN_MAP0_REG(0), 0x00000000 }, + { SUN50I_H6_I2S_TX_CHAN_MAP1_REG(0), 0x00000000 }, + { SUN50I_H6_I2S_RX_CHAN_SEL_REG, 0x00000000 }, + { SUN50I_H6_I2S_RX_CHAN_MAP0_REG, 0x00000000 }, + { SUN50I_H6_I2S_RX_CHAN_MAP1_REG, 0x00000000 }, +}; + static const struct regmap_config sun4i_i2s_regmap_config = { .reg_bits = 32, .reg_stride = 4, @@ -1006,6 +1280,19 @@ static const struct regmap_config sun8i_i2s_regmap_config = { .volatile_reg = sun8i_i2s_volatile_reg, }; +static const struct regmap_config sun50i_h6_i2s_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = SUN50I_R329_I2S_RX_CHAN_MAP3_REG, + .cache_type = REGCACHE_FLAT, + .reg_defaults = sun50i_h6_i2s_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(sun50i_h6_i2s_reg_defaults), + .writeable_reg = sun4i_i2s_wr_reg, + .readable_reg = sun8i_i2s_rd_reg, + .volatile_reg = sun8i_i2s_volatile_reg, +}; + static int sun4i_i2s_runtime_resume(struct device *dev) { struct sun4i_i2s *i2s = dev_get_drvdata(dev); @@ -1069,8 +1356,12 @@ static int sun4i_i2s_runtime_suspend(struct device *dev) return 0; } +#define SUN4I_FORMATS_A10 (SUN4I_FORMATS_ALL & ~SNDRV_PCM_FMTBIT_S32_LE) +#define SUN4I_FORMATS_H3 SUN4I_FORMATS_ALL + static const struct sun4i_i2s_quirks sun4i_a10_i2s_quirks = { .has_reset = false, + .pcm_formats = SUN4I_FORMATS_A10, .reg_offset_txdata = SUN4I_I2S_FIFO_TX_REG, .sun4i_i2s_regmap = &sun4i_i2s_regmap_config, .field_clkdiv_mclk_en = REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 7, 7), @@ -1089,6 +1380,7 @@ static const struct sun4i_i2s_quirks sun4i_a10_i2s_quirks = { static const struct sun4i_i2s_quirks sun6i_a31_i2s_quirks = { .has_reset = true, + .pcm_formats = SUN4I_FORMATS_A10, .reg_offset_txdata = SUN4I_I2S_FIFO_TX_REG, .sun4i_i2s_regmap = &sun4i_i2s_regmap_config, .field_clkdiv_mclk_en = REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 7, 7), @@ -1112,6 +1404,7 @@ static const struct sun4i_i2s_quirks sun6i_a31_i2s_quirks = { */ static const struct sun4i_i2s_quirks sun8i_a83t_i2s_quirks = { .has_reset = true, + .pcm_formats = SUN4I_FORMATS_A10, .reg_offset_txdata = SUN8I_I2S_FIFO_TX_REG, .sun4i_i2s_regmap = &sun4i_i2s_regmap_config, .field_clkdiv_mclk_en = REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 7, 7), @@ -1130,6 +1423,7 @@ static const struct sun4i_i2s_quirks sun8i_a83t_i2s_quirks = { static const struct sun4i_i2s_quirks sun8i_h3_i2s_quirks = { .has_reset = true, + .pcm_formats = SUN4I_FORMATS_H3, .reg_offset_txdata = SUN8I_I2S_FIFO_TX_REG, .sun4i_i2s_regmap = &sun8i_i2s_regmap_config, .field_clkdiv_mclk_en = REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 8, 8), @@ -1148,6 +1442,7 @@ static const struct sun4i_i2s_quirks sun8i_h3_i2s_quirks = { static const struct sun4i_i2s_quirks sun50i_a64_codec_i2s_quirks = { .has_reset = true, + .pcm_formats = SUN4I_FORMATS_H3, .reg_offset_txdata = SUN8I_I2S_FIFO_TX_REG, .sun4i_i2s_regmap = &sun4i_i2s_regmap_config, .field_clkdiv_mclk_en = REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 7, 7), @@ -1164,6 +1459,46 @@ static const struct sun4i_i2s_quirks sun50i_a64_codec_i2s_quirks = { .set_fmt = sun4i_i2s_set_soc_fmt, }; +static const struct sun4i_i2s_quirks sun50i_h6_i2s_quirks = { + .has_reset = true, + .pcm_formats = SUN4I_FORMATS_H3, + .reg_offset_txdata = SUN8I_I2S_FIFO_TX_REG, + .sun4i_i2s_regmap = &sun50i_h6_i2s_regmap_config, + .field_clkdiv_mclk_en = REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 8, 8), + .field_fmt_wss = REG_FIELD(SUN4I_I2S_FMT0_REG, 0, 2), + .field_fmt_sr = REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 6), + .bclk_dividers = sun8i_i2s_clk_div, + .num_bclk_dividers = ARRAY_SIZE(sun8i_i2s_clk_div), + .mclk_dividers = sun8i_i2s_clk_div, + .num_mclk_dividers = ARRAY_SIZE(sun8i_i2s_clk_div), + .get_bclk_parent_rate = sun8i_i2s_get_bclk_parent_rate, + .get_sr = sun8i_i2s_get_sr_wss, + .get_wss = sun8i_i2s_get_sr_wss, + .set_chan_cfg = sun50i_h6_i2s_set_chan_cfg, + .set_fmt = sun50i_h6_i2s_set_soc_fmt, +}; + +static const struct sun4i_i2s_quirks sun50i_r329_i2s_quirks = { + .has_reset = true, + .pcm_formats = SUN4I_FORMATS_H3, + .reg_offset_txdata = SUN8I_I2S_FIFO_TX_REG, + .sun4i_i2s_regmap = &sun50i_h6_i2s_regmap_config, + .field_clkdiv_mclk_en = REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 8, 8), + .field_fmt_wss = REG_FIELD(SUN4I_I2S_FMT0_REG, 0, 2), + .field_fmt_sr = REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 6), + .num_din_pins = 4, + .num_dout_pins = 4, + .bclk_dividers = sun8i_i2s_clk_div, + .num_bclk_dividers = ARRAY_SIZE(sun8i_i2s_clk_div), + .mclk_dividers = sun8i_i2s_clk_div, + .num_mclk_dividers = ARRAY_SIZE(sun8i_i2s_clk_div), + .get_bclk_parent_rate = sun8i_i2s_get_bclk_parent_rate, + .get_sr = sun8i_i2s_get_sr_wss, + .get_wss = sun8i_i2s_get_sr_wss, + .set_chan_cfg = sun50i_h6_i2s_set_chan_cfg, + .set_fmt = sun50i_h6_i2s_set_soc_fmt, +}; + static int sun4i_i2s_init_regmap_fields(struct device *dev, struct sun4i_i2s *i2s) { @@ -1200,8 +1535,7 @@ static int sun4i_i2s_probe(struct platform_device *pdev) return -ENOMEM; platform_set_drvdata(pdev, i2s); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - regs = devm_ioremap_resource(&pdev->dev, res); + regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res); if (IS_ERR(regs)) return PTR_ERR(regs); @@ -1298,7 +1632,7 @@ err_pm_disable: return ret; } -static int sun4i_i2s_remove(struct platform_device *pdev) +static void sun4i_i2s_remove(struct platform_device *pdev) { struct sun4i_i2s *i2s = dev_get_drvdata(&pdev->dev); @@ -1308,8 +1642,6 @@ static int sun4i_i2s_remove(struct platform_device *pdev) if (!IS_ERR(i2s->rst)) reset_control_assert(i2s->rst); - - return 0; } static const struct of_device_id sun4i_i2s_match[] = { @@ -1333,6 +1665,14 @@ static const struct of_device_id sun4i_i2s_match[] = { .compatible = "allwinner,sun50i-a64-codec-i2s", .data = &sun50i_a64_codec_i2s_quirks, }, + { + .compatible = "allwinner,sun50i-h6-i2s", + .data = &sun50i_h6_i2s_quirks, + }, + { + .compatible = "allwinner,sun50i-r329-i2s", + .data = &sun50i_r329_i2s_quirks, + }, {} }; MODULE_DEVICE_TABLE(of, sun4i_i2s_match); @@ -1344,7 +1684,7 @@ static const struct dev_pm_ops sun4i_i2s_pm_ops = { static struct platform_driver sun4i_i2s_driver = { .probe = sun4i_i2s_probe, - .remove = sun4i_i2s_remove, + .remove = sun4i_i2s_remove, .driver = { .name = "sun4i-i2s", .of_match_table = sun4i_i2s_match, |