diff options
Diffstat (limited to 'sound')
-rw-r--r-- | sound/soc/bcm/cygnus-ssp.c | 235 | ||||
-rw-r--r-- | sound/soc/codecs/Kconfig | 6 | ||||
-rw-r--r-- | sound/soc/codecs/Makefile | 2 | ||||
-rw-r--r-- | sound/soc/codecs/cs43130.c | 2690 | ||||
-rw-r--r-- | sound/soc/codecs/cs43130.h | 546 | ||||
-rw-r--r-- | sound/soc/codecs/cs53l30.c | 15 | ||||
-rw-r--r-- | sound/soc/davinci/davinci-mcasp.c | 6 | ||||
-rw-r--r-- | sound/soc/davinci/davinci-vcif.c | 5 |
8 files changed, 3309 insertions, 196 deletions
diff --git a/sound/soc/bcm/cygnus-ssp.c b/sound/soc/bcm/cygnus-ssp.c index cdd5e82439dd..15c438f0f22d 100644 --- a/sound/soc/bcm/cygnus-ssp.c +++ b/sound/soc/bcm/cygnus-ssp.c @@ -27,12 +27,6 @@ #define DEFAULT_VCO 1354750204 -#define CYGNUS_TDM_RATE \ - (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | \ - SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_22050 | \ - SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ - SNDRV_PCM_RATE_48000) - #define CAPTURE_FCI_ID_BASE 0x180 #define CYGNUS_SSP_TRISTATE_MASK 0x001fff #define CYGNUS_PLLCLKSEL_MASK 0xf @@ -234,152 +228,20 @@ static const struct pll_macro_entry pll_predef_mclk[] = { {98304000, 2}, }; +#define CYGNUS_RATE_MIN 8000 +#define CYGNUS_RATE_MAX 384000 + /* List of valid frame sizes for tdm mode */ static const int ssp_valid_tdm_framesize[] = {32, 64, 128, 256, 512}; -/* - * Use this relationship to derive the sampling rate (lrclk) - * lrclk = (mclk) / ((2*mclk_to_sclk_ratio) * (32 * SCLK))). - * - * Use mclk and pll_ch from the table above - * - * Valid SCLK = 0/1/2/4/8/12 - * - * mclk_to_sclk_ratio = number of MCLK per SCLK. Division is twice the - * value programmed in this field. - * Valid mclk_to_sclk_ratio = 1 through to 15 - * - * eg: To set lrclk = 48khz, set mclk = 12288000, mclk_to_sclk_ratio = 2, - * SCLK = 64 - */ -struct _ssp_clk_coeff { - u32 mclk; - u32 sclk_rate; - u32 rate; - u32 mclk_rate; +static const unsigned int cygnus_rates[] = { + 8000, 11025, 16000, 22050, 32000, 44100, 48000, + 88200, 96000, 176400, 192000, 352800, 384000 }; -static const struct _ssp_clk_coeff ssp_clk_coeff[] = { - { 4096000, 32, 16000, 4}, - { 4096000, 32, 32000, 2}, - { 4096000, 64, 8000, 4}, - { 4096000, 64, 16000, 2}, - { 4096000, 64, 32000, 1}, - { 4096000, 128, 8000, 2}, - { 4096000, 128, 16000, 1}, - { 4096000, 256, 8000, 1}, - - { 6144000, 32, 16000, 6}, - { 6144000, 32, 32000, 3}, - { 6144000, 32, 48000, 2}, - { 6144000, 32, 96000, 1}, - { 6144000, 64, 8000, 6}, - { 6144000, 64, 16000, 3}, - { 6144000, 64, 48000, 1}, - { 6144000, 128, 8000, 3}, - - { 8192000, 32, 32000, 4}, - { 8192000, 64, 16000, 4}, - { 8192000, 64, 32000, 2}, - { 8192000, 128, 8000, 4}, - { 8192000, 128, 16000, 2}, - { 8192000, 128, 32000, 1}, - { 8192000, 256, 8000, 2}, - { 8192000, 256, 16000, 1}, - { 8192000, 512, 8000, 1}, - - {12288000, 32, 32000, 6}, - {12288000, 32, 48000, 4}, - {12288000, 32, 96000, 2}, - {12288000, 32, 192000, 1}, - {12288000, 64, 16000, 6}, - {12288000, 64, 32000, 3}, - {12288000, 64, 48000, 2}, - {12288000, 64, 96000, 1}, - {12288000, 128, 8000, 6}, - {12288000, 128, 16000, 3}, - {12288000, 128, 48000, 1}, - {12288000, 256, 8000, 3}, - - {16384000, 64, 32000, 4}, - {16384000, 128, 16000, 4}, - {16384000, 128, 32000, 2}, - {16384000, 256, 8000, 4}, - {16384000, 256, 16000, 2}, - {16384000, 256, 32000, 1}, - {16384000, 512, 8000, 2}, - {16384000, 512, 16000, 1}, - - {24576000, 32, 96000, 4}, - {24576000, 32, 192000, 2}, - {24576000, 64, 32000, 6}, - {24576000, 64, 48000, 4}, - {24576000, 64, 96000, 2}, - {24576000, 64, 192000, 1}, - {24576000, 128, 16000, 6}, - {24576000, 128, 32000, 3}, - {24576000, 128, 48000, 2}, - {24576000, 256, 8000, 6}, - {24576000, 256, 16000, 3}, - {24576000, 256, 48000, 1}, - {24576000, 512, 8000, 3}, - - {49152000, 32, 192000, 4}, - {49152000, 64, 96000, 4}, - {49152000, 64, 192000, 2}, - {49152000, 128, 32000, 6}, - {49152000, 128, 48000, 4}, - {49152000, 128, 96000, 2}, - {49152000, 128, 192000, 1}, - {49152000, 256, 16000, 6}, - {49152000, 256, 32000, 3}, - {49152000, 256, 48000, 2}, - {49152000, 256, 96000, 1}, - {49152000, 512, 8000, 6}, - {49152000, 512, 16000, 3}, - {49152000, 512, 48000, 1}, - - { 5644800, 32, 22050, 4}, - { 5644800, 32, 44100, 2}, - { 5644800, 32, 88200, 1}, - { 5644800, 64, 11025, 4}, - { 5644800, 64, 22050, 2}, - { 5644800, 64, 44100, 1}, - - {11289600, 32, 44100, 4}, - {11289600, 32, 88200, 2}, - {11289600, 32, 176400, 1}, - {11289600, 64, 22050, 4}, - {11289600, 64, 44100, 2}, - {11289600, 64, 88200, 1}, - {11289600, 128, 11025, 4}, - {11289600, 128, 22050, 2}, - {11289600, 128, 44100, 1}, - - {22579200, 32, 88200, 4}, - {22579200, 32, 176400, 2}, - {22579200, 64, 44100, 4}, - {22579200, 64, 88200, 2}, - {22579200, 64, 176400, 1}, - {22579200, 128, 22050, 4}, - {22579200, 128, 44100, 2}, - {22579200, 128, 88200, 1}, - {22579200, 256, 11025, 4}, - {22579200, 256, 22050, 2}, - {22579200, 256, 44100, 1}, - - {45158400, 32, 176400, 4}, - {45158400, 64, 88200, 4}, - {45158400, 64, 176400, 2}, - {45158400, 128, 44100, 4}, - {45158400, 128, 88200, 2}, - {45158400, 128, 176400, 1}, - {45158400, 256, 22050, 4}, - {45158400, 256, 44100, 2}, - {45158400, 256, 88200, 1}, - {45158400, 512, 11025, 4}, - {45158400, 512, 22050, 2}, - {45158400, 512, 44100, 1}, +static const struct snd_pcm_hw_constraint_list cygnus_rate_constraint = { + .count = ARRAY_SIZE(cygnus_rates), + .list = cygnus_rates, }; static struct cygnus_aio_port *cygnus_dai_get_portinfo(struct snd_soc_dai *dai) @@ -679,40 +541,55 @@ static int pll_configure_mclk(struct cygnus_audio *cygaud, u32 mclk, return p_entry->pll_ch_num; } -static int cygnus_ssp_set_clocks(struct cygnus_aio_port *aio, - struct cygnus_audio *cygaud) +static int cygnus_ssp_set_clocks(struct cygnus_aio_port *aio) { - u32 value, i = 0; + u32 value; u32 mask = 0xf; u32 sclk; - bool found = false; - const struct _ssp_clk_coeff *p_entry = NULL; + u32 mclk_rate; + unsigned int bit_rate; + unsigned int ratio; - for (i = 0; i < ARRAY_SIZE(ssp_clk_coeff); i++) { - p_entry = &ssp_clk_coeff[i]; - if ((p_entry->rate == aio->lrclk) && - (p_entry->sclk_rate == aio->bit_per_frame) && - (p_entry->mclk == aio->mclk)) { - found = true; - break; - } - } - if (!found) { + bit_rate = aio->bit_per_frame * aio->lrclk; + + /* + * Check if the bit clock can be generated from the given MCLK. + * MCLK must be a perfect multiple of bit clock and must be one of the + * following values... (2,4,6,8,10,12,14) + */ + if ((aio->mclk % bit_rate) != 0) + return -EINVAL; + + ratio = aio->mclk / bit_rate; + switch (ratio) { + case 2: + case 4: + case 6: + case 8: + case 10: + case 12: + case 14: + mclk_rate = ratio / 2; + break; + + default: dev_err(aio->cygaud->dev, - "No valid match found in ssp_clk_coeff array\n"); + "Invalid combination of MCLK and BCLK\n"); dev_err(aio->cygaud->dev, "lrclk = %u, bits/frame = %u, mclk = %u\n", aio->lrclk, aio->bit_per_frame, aio->mclk); return -EINVAL; } - sclk = aio->bit_per_frame; - if (sclk == 512) - sclk = 0; - /* sclks_per_1fs_div = sclk cycles/32 */ - sclk /= 32; /* Set sclk rate */ switch (aio->port_type) { case PORT_TDM: + sclk = aio->bit_per_frame; + if (sclk == 512) + sclk = 0; + + /* sclks_per_1fs_div = sclk cycles/32 */ + sclk /= 32; + /* Set number of bitclks per frame */ value = readl(aio->cygaud->audio + aio->regs.i2s_cfg); value &= ~(mask << I2S_OUT_CFGX_SCLKS_PER_1FS_DIV32); @@ -731,7 +608,7 @@ static int cygnus_ssp_set_clocks(struct cygnus_aio_port *aio, /* Set MCLK_RATE ssp port (spdif and ssp are the same) */ value = readl(aio->cygaud->audio + aio->regs.i2s_mclk_cfg); value &= ~(0xf << I2S_OUT_MCLKRATE_SHIFT); - value |= (p_entry->mclk_rate << I2S_OUT_MCLKRATE_SHIFT); + value |= (mclk_rate << I2S_OUT_MCLKRATE_SHIFT); writel(value, aio->cygaud->audio + aio->regs.i2s_mclk_cfg); dev_dbg(aio->cygaud->dev, "mclk cfg reg = 0x%x\n", value); @@ -745,7 +622,6 @@ static int cygnus_ssp_hw_params(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct cygnus_aio_port *aio = cygnus_dai_get_portinfo(dai); - struct cygnus_audio *cygaud = snd_soc_dai_get_drvdata(dai); int rate, bitres; u32 value; u32 mask = 0x1f; @@ -841,7 +717,7 @@ static int cygnus_ssp_hw_params(struct snd_pcm_substream *substream, aio->lrclk = rate; if (!aio->is_slave) - ret = cygnus_ssp_set_clocks(aio, cygaud); + ret = cygnus_ssp_set_clocks(aio); return ret; } @@ -888,6 +764,11 @@ static int cygnus_ssp_startup(struct snd_pcm_substream *substream, else aio->clk_trace.cap_en = true; + substream->runtime->hw.rate_min = CYGNUS_RATE_MIN; + substream->runtime->hw.rate_max = CYGNUS_RATE_MAX; + + snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, &cygnus_rate_constraint); return 0; } @@ -1261,9 +1142,7 @@ static const struct snd_soc_dai_ops cygnus_ssp_dai_ops = { .playback = { \ .channels_min = 1, \ .channels_max = 16, \ - .rates = CYGNUS_TDM_RATE | SNDRV_PCM_RATE_88200 | \ - SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 | \ - SNDRV_PCM_RATE_192000, \ + .rates = SNDRV_PCM_RATE_KNOT, \ .formats = SNDRV_PCM_FMTBIT_S8 | \ SNDRV_PCM_FMTBIT_S16_LE | \ SNDRV_PCM_FMTBIT_S32_LE, \ @@ -1271,9 +1150,7 @@ static const struct snd_soc_dai_ops cygnus_ssp_dai_ops = { .capture = { \ .channels_min = 2, \ .channels_max = 16, \ - .rates = CYGNUS_TDM_RATE | SNDRV_PCM_RATE_88200 | \ - SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 | \ - SNDRV_PCM_RATE_192000, \ + .rates = SNDRV_PCM_RATE_KNOT, \ .formats = SNDRV_PCM_FMTBIT_S16_LE | \ SNDRV_PCM_FMTBIT_S32_LE, \ }, \ @@ -1293,9 +1170,7 @@ static const struct snd_soc_dai_driver cygnus_spdif_dai_info = { .playback = { .channels_min = 2, .channels_max = 2, - .rates = CYGNUS_TDM_RATE | SNDRV_PCM_RATE_88200 | - SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 | - SNDRV_PCM_RATE_192000, + .rates = SNDRV_PCM_RATE_KNOT, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, }, diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index aee9ef16dae6..d81bc4195603 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -60,6 +60,7 @@ config SND_SOC_ALL_CODECS select SND_SOC_CS4271_I2C if I2C select SND_SOC_CS4271_SPI if SPI_MASTER select SND_SOC_CS42XX8_I2C if I2C + select SND_SOC_CS43130 if I2C select SND_SOC_CS4349 if I2C select SND_SOC_CS47L24 if MFD_CS47L24 select SND_SOC_CS53L30 if I2C @@ -487,6 +488,11 @@ config SND_SOC_CS42XX8_I2C select SND_SOC_CS42XX8 select REGMAP_I2C +# Cirrus Logic CS43130 HiFi DAC +config SND_SOC_CS43130 + tristate "Cirrus Logic CS43130 CODEC" + depends on I2C + # Cirrus Logic CS4349 HiFi DAC config SND_SOC_CS4349 tristate "Cirrus Logic CS4349 CODEC" diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index f07c809fdfe2..696e371f0e0c 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -53,6 +53,7 @@ snd-soc-cs4271-i2c-objs := cs4271-i2c.o snd-soc-cs4271-spi-objs := cs4271-spi.o snd-soc-cs42xx8-objs := cs42xx8.o snd-soc-cs42xx8-i2c-objs := cs42xx8-i2c.o +snd-soc-cs43130-objs := cs43130.o snd-soc-cs4349-objs := cs4349.o snd-soc-cs47l24-objs := cs47l24.o snd-soc-cs53l30-objs := cs53l30.o @@ -291,6 +292,7 @@ obj-$(CONFIG_SND_SOC_CS4271_I2C) += snd-soc-cs4271-i2c.o obj-$(CONFIG_SND_SOC_CS4271_SPI) += snd-soc-cs4271-spi.o obj-$(CONFIG_SND_SOC_CS42XX8) += snd-soc-cs42xx8.o obj-$(CONFIG_SND_SOC_CS42XX8_I2C) += snd-soc-cs42xx8-i2c.o +obj-$(CONFIG_SND_SOC_CS43130) += snd-soc-cs43130.o obj-$(CONFIG_SND_SOC_CS4349) += snd-soc-cs4349.o obj-$(CONFIG_SND_SOC_CS47L24) += snd-soc-cs47l24.o obj-$(CONFIG_SND_SOC_CS53L30) += snd-soc-cs53l30.o diff --git a/sound/soc/codecs/cs43130.c b/sound/soc/codecs/cs43130.c new file mode 100644 index 000000000000..220e30199c5b --- /dev/null +++ b/sound/soc/codecs/cs43130.c @@ -0,0 +1,2690 @@ +/* + * cs43130.c -- CS43130 ALSA Soc Audio driver + * + * Copyright 2017 Cirrus Logic, Inc. + * + * Authors: Li Xu <li.xu@cirrus.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/gpio/consumer.h> +#include <linux/platform_device.h> +#include <linux/pm.h> +#include <linux/i2c.h> +#include <linux/of_device.h> +#include <linux/regmap.h> +#include <linux/slab.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <sound/initval.h> +#include <sound/tlv.h> +#include <linux/of_gpio.h> +#include <linux/regulator/consumer.h> +#include <linux/pm_runtime.h> +#include <linux/of_irq.h> +#include <linux/completion.h> +#include <linux/mutex.h> +#include <linux/workqueue.h> +#include <sound/jack.h> + +#include "cs43130.h" + +static const struct reg_default cs43130_reg_defaults[] = { + {CS43130_SYS_CLK_CTL_1, 0x06}, + {CS43130_SP_SRATE, 0x01}, + {CS43130_SP_BITSIZE, 0x05}, + {CS43130_PAD_INT_CFG, 0x03}, + {CS43130_PWDN_CTL, 0xFE}, + {CS43130_CRYSTAL_SET, 0x04}, + {CS43130_PLL_SET_1, 0x00}, + {CS43130_PLL_SET_2, 0x00}, + {CS43130_PLL_SET_3, 0x00}, + {CS43130_PLL_SET_4, 0x00}, + {CS43130_PLL_SET_5, 0x40}, + {CS43130_PLL_SET_6, 0x10}, + {CS43130_PLL_SET_7, 0x80}, + {CS43130_PLL_SET_8, 0x03}, + {CS43130_PLL_SET_9, 0x02}, + {CS43130_PLL_SET_10, 0x02}, + {CS43130_CLKOUT_CTL, 0x00}, + {CS43130_ASP_NUM_1, 0x01}, + {CS43130_ASP_NUM_2, 0x00}, + {CS43130_ASP_DEN_1, 0x08}, + {CS43130_ASP_DEN_2, 0x00}, + {CS43130_ASP_LRCK_HI_TIME_1, 0x1F}, + {CS43130_ASP_LRCK_HI_TIME_2, 0x00}, + {CS43130_ASP_LRCK_PERIOD_1, 0x3F}, + {CS43130_ASP_LRCK_PERIOD_2, 0x00}, + {CS43130_ASP_CLOCK_CONF, 0x0C}, + {CS43130_ASP_FRAME_CONF, 0x0A}, + {CS43130_XSP_NUM_1, 0x01}, + {CS43130_XSP_NUM_2, 0x00}, + {CS43130_XSP_DEN_1, 0x02}, + {CS43130_XSP_DEN_2, 0x00}, + {CS43130_XSP_LRCK_HI_TIME_1, 0x1F}, + {CS43130_XSP_LRCK_HI_TIME_2, 0x00}, + {CS43130_XSP_LRCK_PERIOD_1, 0x3F}, + {CS43130_XSP_LRCK_PERIOD_2, 0x00}, + {CS43130_XSP_CLOCK_CONF, 0x0C}, + {CS43130_XSP_FRAME_CONF, 0x0A}, + {CS43130_ASP_CH_1_LOC, 0x00}, + {CS43130_ASP_CH_2_LOC, 0x00}, + {CS43130_ASP_CH_1_SZ_EN, 0x06}, + {CS43130_ASP_CH_2_SZ_EN, 0x0E}, + {CS43130_XSP_CH_1_LOC, 0x00}, + {CS43130_XSP_CH_2_LOC, 0x00}, + {CS43130_XSP_CH_1_SZ_EN, 0x06}, + {CS43130_XSP_CH_2_SZ_EN, 0x0E}, + {CS43130_DSD_VOL_B, 0x78}, + {CS43130_DSD_VOL_A, 0x78}, + {CS43130_DSD_PATH_CTL_1, 0xA8}, + {CS43130_DSD_INT_CFG, 0x00}, + {CS43130_DSD_PATH_CTL_2, 0x02}, + {CS43130_DSD_PCM_MIX_CTL, 0x00}, + {CS43130_DSD_PATH_CTL_3, 0x40}, + {CS43130_HP_OUT_CTL_1, 0x30}, + {CS43130_PCM_FILT_OPT, 0x02}, + {CS43130_PCM_VOL_B, 0x78}, + {CS43130_PCM_VOL_A, 0x78}, + {CS43130_PCM_PATH_CTL_1, 0xA8}, + {CS43130_PCM_PATH_CTL_2, 0x00}, + {CS43130_CLASS_H_CTL, 0x1E}, + {CS43130_HP_DETECT, 0x04}, + {CS43130_HP_LOAD_1, 0x00}, + {CS43130_HP_MEAS_LOAD_1, 0x00}, + {CS43130_HP_MEAS_LOAD_2, 0x00}, + {CS43130_INT_MASK_1, 0xFF}, + {CS43130_INT_MASK_2, 0xFF}, + {CS43130_INT_MASK_3, 0xFF}, + {CS43130_INT_MASK_4, 0xFF}, + {CS43130_INT_MASK_5, 0xFF}, +}; + +static bool cs43130_volatile_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5: + case CS43130_HP_DC_STAT_1 ... CS43130_HP_DC_STAT_2: + case CS43130_HP_AC_STAT_1 ... CS43130_HP_AC_STAT_2: + return true; + default: + return false; + } +} + +static bool cs43130_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CS43130_DEVID_AB ... CS43130_SYS_CLK_CTL_1: + case CS43130_SP_SRATE ... CS43130_PAD_INT_CFG: + case CS43130_PWDN_CTL: + case CS43130_CRYSTAL_SET: + case CS43130_PLL_SET_1 ... CS43130_PLL_SET_5: + case CS43130_PLL_SET_6: + case CS43130_PLL_SET_7: + case CS43130_PLL_SET_8: + case CS43130_PLL_SET_9: + case CS43130_PLL_SET_10: + case CS43130_CLKOUT_CTL: + case CS43130_ASP_NUM_1 ... CS43130_ASP_FRAME_CONF: + case CS43130_XSP_NUM_1 ... CS43130_XSP_FRAME_CONF: + case CS43130_ASP_CH_1_LOC: + case CS43130_ASP_CH_2_LOC: + case CS43130_ASP_CH_1_SZ_EN: + case CS43130_ASP_CH_2_SZ_EN: + case CS43130_XSP_CH_1_LOC: + case CS43130_XSP_CH_2_LOC: + case CS43130_XSP_CH_1_SZ_EN: + case CS43130_XSP_CH_2_SZ_EN: + case CS43130_DSD_VOL_B ... CS43130_DSD_PATH_CTL_3: + case CS43130_HP_OUT_CTL_1: + case CS43130_PCM_FILT_OPT ... CS43130_PCM_PATH_CTL_2: + case CS43130_CLASS_H_CTL: + case CS43130_HP_DETECT: + case CS43130_HP_STATUS: + case CS43130_HP_LOAD_1: + case CS43130_HP_MEAS_LOAD_1: + case CS43130_HP_MEAS_LOAD_2: + case CS43130_HP_DC_STAT_1: + case CS43130_HP_DC_STAT_2: + case CS43130_HP_AC_STAT_1: + case CS43130_HP_AC_STAT_2: + case CS43130_HP_LOAD_STAT: + case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5: + case CS43130_INT_MASK_1 ... CS43130_INT_MASK_5: + return true; + default: + return false; + } +} + +static bool cs43130_precious_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5: + return true; + default: + return false; + } +} + +struct cs43130_pll_params { + unsigned int pll_in; + u8 sclk_prediv; + u8 pll_div_int; + u32 pll_div_frac; + u8 pll_mode; + u8 pll_divout; + unsigned int pll_out; + u8 pll_cal_ratio; +}; + +static const struct cs43130_pll_params pll_ratio_table[] = { + {9600000, 0x02, 0x49, 0x800000, 0x00, 0x08, 22579200, 151}, + {9600000, 0x02, 0x50, 0x000000, 0x00, 0x08, 24576000, 164}, + + {11289600, 0x02, 0X40, 0, 0x01, 0x08, 22579200, 128}, + {11289600, 0x02, 0x44, 0x06F700, 0x0, 0x08, 24576000, 139}, + + {12000000, 0x02, 0x49, 0x800000, 0x00, 0x0A, 22579200, 120}, + {12000000, 0x02, 0x40, 0x000000, 0x00, 0x08, 24576000, 131}, + + {12288000, 0x02, 0x49, 0x800000, 0x01, 0x0A, 22579200, 118}, + {12288000, 0x02, 0x40, 0x000000, 0x01, 0x08, 24576000, 128}, + + {13000000, 0x02, 0x45, 0x797680, 0x01, 0x0A, 22579200, 111}, + {13000000, 0x02, 0x3C, 0x7EA940, 0x01, 0x08, 24576000, 121}, + + {19200000, 0x03, 0x49, 0x800000, 0x00, 0x08, 22579200, 151}, + {19200000, 0x03, 0x50, 0x000000, 0x00, 0x08, 24576000, 164}, + + {22579200, 0, 0, 0, 0, 0, 22579200, 0}, + {22579200, 0x03, 0x44, 0x06F700, 0x00, 0x08, 24576000, 139}, + + {24000000, 0x03, 0x49, 0x800000, 0x00, 0x0A, 22579200, 120}, + {24000000, 0x03, 0x40, 0x000000, 0x00, 0x08, 24576000, 131}, + + {24576000, 0x03, 0x49, 0x800000, 0x01, 0x0A, 22579200, 118}, + {24576000, 0, 0, 0, 0, 0, 24576000, 0}, + + {26000000, 0x03, 0x45, 0x797680, 0x01, 0x0A, 22579200, 111}, + {26000000, 0x03, 0x3C, 0x7EA940, 0x01, 0x08, 24576000, 121}, +}; + +static const struct cs43130_pll_params *cs43130_get_pll_table( + unsigned int freq_in, unsigned int freq_out) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(pll_ratio_table); i++) { + if (pll_ratio_table[i].pll_in == freq_in && + pll_ratio_table[i].pll_out == freq_out) + return &pll_ratio_table[i]; + } + + return NULL; +} + +static int cs43130_pll_config(struct snd_soc_codec *codec) +{ + struct cs43130_private *cs43130 = snd_soc_codec_get_drvdata(codec); + const struct cs43130_pll_params *pll_entry; + + dev_dbg(codec->dev, "cs43130->mclk = %u, cs43130->mclk_int = %u\n", + cs43130->mclk, cs43130->mclk_int); + + pll_entry = cs43130_get_pll_table(cs43130->mclk, cs43130->mclk_int); + if (!pll_entry) + return -EINVAL; + + if (pll_entry->pll_cal_ratio == 0) { + regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_1, + CS43130_PLL_START_MASK, 0); + + cs43130->pll_bypass = true; + return 0; + } + + cs43130->pll_bypass = false; + + regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_2, + CS43130_PLL_DIV_DATA_MASK, + pll_entry->pll_div_frac >> + CS43130_PLL_DIV_FRAC_0_DATA_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_3, + CS43130_PLL_DIV_DATA_MASK, + pll_entry->pll_div_frac >> + CS43130_PLL_DIV_FRAC_1_DATA_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_4, + CS43130_PLL_DIV_DATA_MASK, + pll_entry->pll_div_frac >> + CS43130_PLL_DIV_FRAC_2_DATA_SHIFT); + regmap_write(cs43130->regmap, CS43130_PLL_SET_5, + pll_entry->pll_div_int); + regmap_write(cs43130->regmap, CS43130_PLL_SET_6, pll_entry->pll_divout); + regmap_write(cs43130->regmap, CS43130_PLL_SET_7, + pll_entry->pll_cal_ratio); + regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_8, + CS43130_PLL_MODE_MASK, + pll_entry->pll_mode << CS43130_PLL_MODE_SHIFT); + regmap_write(cs43130->regmap, CS43130_PLL_SET_9, + pll_entry->sclk_prediv); + regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_1, + CS43130_PLL_START_MASK, 1); + + return 0; +} + +static int cs43130_set_pll(struct snd_soc_codec *codec, int pll_id, int source, + unsigned int freq_in, unsigned int freq_out) +{ + int ret = 0; + struct cs43130_private *cs43130 = snd_soc_codec_get_drvdata(codec); + + switch (freq_in) { + case 9600000: + case 11289600: + case 12000000: + case 12288000: + case 13000000: + case 19200000: + case 22579200: + case 24000000: + case 24576000: + case 26000000: + cs43130->mclk = freq_in; + break; + default: + dev_err(codec->dev, + "unsupported pll input reference clock:%d\n", freq_in); + return -EINVAL; + } + + switch (freq_out) { + case 22579200: + cs43130->mclk_int = freq_out; + break; + case 24576000: + cs43130->mclk_int = freq_out; + break; + default: + dev_err(codec->dev, + "unsupported pll output ref clock: %u\n", freq_out); + return -EINVAL; + } + + ret = cs43130_pll_config(codec); + dev_dbg(codec->dev, "cs43130->pll_bypass = %d", cs43130->pll_bypass); + return ret; +} + +static int cs43130_change_clksrc(struct snd_soc_codec *codec, + enum cs43130_mclk_src_sel src) +{ + int ret; + struct cs43130_private *cs43130 = snd_soc_codec_get_drvdata(codec); + int mclk_int_decoded; + + if (src == cs43130->mclk_int_src) { + /* clk source has not changed */ + return 0; + } + + switch (cs43130->mclk_int) { + case CS43130_MCLK_22M: + mclk_int_decoded = CS43130_MCLK_22P5; + break; + case CS43130_MCLK_24M: + mclk_int_decoded = CS43130_MCLK_24P5; + break; + default: + dev_err(codec->dev, "Invalid MCLK INT freq: %u\n", cs43130->mclk_int); + return -EINVAL; + } + + switch (src) { + case CS43130_MCLK_SRC_EXT: + cs43130->pll_bypass = true; + cs43130->mclk_int_src = CS43130_MCLK_SRC_EXT; + if (cs43130->xtal_ibias == CS43130_XTAL_UNUSED) { + regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL, + CS43130_PDN_XTAL_MASK, + 1 << CS43130_PDN_XTAL_SHIFT); + } else { + reinit_completion(&cs43130->xtal_rdy); + regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1, + CS43130_XTAL_RDY_INT_MASK, 0); + regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL, + CS43130_PDN_XTAL_MASK, 0); + ret = wait_for_completion_timeout(&cs43130->xtal_rdy, + msecs_to_jiffies(100)); + regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1, + CS43130_XTAL_RDY_INT_MASK, + 1 << CS43130_XTAL_RDY_INT_SHIFT); + if (ret == 0) { + dev_err(codec->dev, "Timeout waiting for XTAL_READY interrupt\n"); + return -ETIMEDOUT; + } + } + + regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1, + CS43130_MCLK_SRC_SEL_MASK, + src << CS43130_MCLK_SRC_SEL_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1, + CS43130_MCLK_INT_MASK, + mclk_int_decoded << CS43130_MCLK_INT_SHIFT); + usleep_range(150, 200); + + regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL, + CS43130_PDN_PLL_MASK, + 1 << CS43130_PDN_PLL_SHIFT); + break; + case CS43130_MCLK_SRC_PLL: + cs43130->pll_bypass = false; + cs43130->mclk_int_src = CS43130_MCLK_SRC_PLL; + if (cs43130->xtal_ibias == CS43130_XTAL_UNUSED) { + regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL, + CS43130_PDN_XTAL_MASK, + 1 << CS43130_PDN_XTAL_SHIFT); + } else { + reinit_completion(&cs43130->xtal_rdy); + regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1, + CS43130_XTAL_RDY_INT_MASK, 0); + regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL, + CS43130_PDN_XTAL_MASK, 0); + ret = wait_for_completion_timeout(&cs43130->xtal_rdy, + msecs_to_jiffies(100)); + regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1, + CS43130_XTAL_RDY_INT_MASK, + 1 << CS43130_XTAL_RDY_INT_SHIFT); + if (ret == 0) { + dev_err(codec->dev, "Timeout waiting for XTAL_READY interrupt\n"); + return -ETIMEDOUT; + } + } + + reinit_completion(&cs43130->pll_rdy); + regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1, + CS43130_PLL_RDY_INT_MASK, 0); + regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL, + CS43130_PDN_PLL_MASK, 0); + ret = wait_for_completion_timeout(&cs43130->pll_rdy, + msecs_to_jiffies(100)); + regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1, + CS43130_PLL_RDY_INT_MASK, + 1 << CS43130_PLL_RDY_INT_SHIFT); + if (ret == 0) { + dev_err(codec->dev, "Timeout waiting for PLL_READY interrupt\n"); + return -ETIMEDOUT; + } + + regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1, + CS43130_MCLK_SRC_SEL_MASK, + src << CS43130_MCLK_SRC_SEL_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1, + CS43130_MCLK_INT_MASK, + mclk_int_decoded << CS43130_MCLK_INT_SHIFT); + usleep_range(150, 200); + break; + case CS43130_MCLK_SRC_RCO: + cs43130->mclk_int_src = CS43130_MCLK_SRC_RCO; + + regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1, + CS43130_MCLK_SRC_SEL_MASK, + src << CS43130_MCLK_SRC_SEL_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1, + CS43130_MCLK_INT_MASK, + CS43130_MCLK_22P5 << CS43130_MCLK_INT_SHIFT); + usleep_range(150, 200); + + regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL, + CS43130_PDN_XTAL_MASK, + 1 << CS43130_PDN_XTAL_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL, + CS43130_PDN_PLL_MASK, + 1 << CS43130_PDN_PLL_SHIFT); + break; + default: + dev_err(codec->dev, "Invalid MCLK source value\n"); + return -EINVAL; + } + + return 0; +} + +static const struct cs43130_bitwidth_map cs43130_bitwidth_table[] = { + {8, CS43130_SP_BIT_SIZE_8, CS43130_CH_BIT_SIZE_8}, + {16, CS43130_SP_BIT_SIZE_16, CS43130_CH_BIT_SIZE_16}, + {24, CS43130_SP_BIT_SIZE_24, CS43130_CH_BIT_SIZE_24}, + {32, CS43130_SP_BIT_SIZE_32, CS43130_CH_BIT_SIZE_32}, +}; + +static const struct cs43130_bitwidth_map *cs43130_get_bitwidth_table( + unsigned int bitwidth) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(cs43130_bitwidth_table); i++) { + if (cs43130_bitwidth_table[i].bitwidth == bitwidth) + return &cs43130_bitwidth_table[i]; + } + + return NULL; +} + +static int cs43130_set_bitwidth(int dai_id, unsigned int bitwidth_dai, + struct regmap *regmap) +{ + const struct cs43130_bitwidth_map *bw_map; + + bw_map = cs43130_get_bitwidth_table(bitwidth_dai); + if (!bw_map) + return -EINVAL; + + switch (dai_id) { + case CS43130_ASP_PCM_DAI: + case CS43130_ASP_DOP_DAI: + regmap_update_bits(regmap, CS43130_ASP_CH_1_SZ_EN, + CS43130_CH_BITSIZE_MASK, bw_map->ch_bit); + regmap_update_bits(regmap, CS43130_ASP_CH_2_SZ_EN, + CS43130_CH_BITSIZE_MASK, bw_map->ch_bit); + regmap_update_bits(regmap, CS43130_SP_BITSIZE, + CS43130_ASP_BITSIZE_MASK, bw_map->sp_bit); + break; + case CS43130_XSP_DOP_DAI: + regmap_update_bits(regmap, CS43130_XSP_CH_1_SZ_EN, + CS43130_CH_BITSIZE_MASK, bw_map->ch_bit); + regmap_update_bits(regmap, CS43130_XSP_CH_2_SZ_EN, + CS43130_CH_BITSIZE_MASK, bw_map->ch_bit); + regmap_update_bits(regmap, CS43130_SP_BITSIZE, + CS43130_XSP_BITSIZE_MASK, bw_map->sp_bit << + CS43130_XSP_BITSIZE_SHIFT); + break; + default: + return -EINVAL; + } + + return 0; +} + +static const struct cs43130_rate_map cs43130_rate_table[] = { + {32000, CS43130_ASP_SPRATE_32K}, + {44100, CS43130_ASP_SPRATE_44_1K}, + {48000, CS43130_ASP_SPRATE_48K}, + {88200, CS43130_ASP_SPRATE_88_2K}, + {96000, CS43130_ASP_SPRATE_96K}, + {176400, CS43130_ASP_SPRATE_176_4K}, + {192000, CS43130_ASP_SPRATE_192K}, + {352800, CS43130_ASP_SPRATE_352_8K}, + {384000, CS43130_ASP_SPRATE_384K}, +}; + +static const struct cs43130_rate_map *cs43130_get_rate_table(int fs) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(cs43130_rate_table); i++) { + if (cs43130_rate_table[i].fs == fs) + return &cs43130_rate_table[i]; + } + + return NULL; +} + +static const struct cs43130_clk_gen *cs43130_get_clk_gen(int mclk_int, int fs, + const struct cs43130_clk_gen *clk_gen_table, int len_clk_gen_table) +{ + int i; + + for (i = 0; i < len_clk_gen_table; i++) { + if (clk_gen_table[i].mclk_int == mclk_int && + clk_gen_table[i].fs == fs) + return &clk_gen_table[i]; + } + + return NULL; +} + +static int cs43130_set_sp_fmt(int dai_id, unsigned int bitwidth_sclk, + struct snd_pcm_hw_params *params, + struct cs43130_private *cs43130) +{ + u16 frm_size; + u16 hi_size; + u8 frm_delay; + u8 frm_phase; + u8 frm_data; + u8 sclk_edge; + u8 lrck_edge; + u8 clk_data; + u8 loc_ch1; + u8 loc_ch2; + u8 dai_mode_val; + const struct cs43130_clk_gen *clk_gen; + + switch (cs43130->dais[dai_id].dai_format) { + case SND_SOC_DAIFMT_I2S: + hi_size = bitwidth_sclk; + frm_delay = 2; + frm_phase = 0; + break; + case SND_SOC_DAIFMT_LEFT_J: + hi_size = bitwidth_sclk; + frm_delay = 2; + frm_phase = 1; + break; + case SND_SOC_DAIFMT_DSP_A: + hi_size = 1; + frm_delay = 2; + frm_phase = 1; + break; + case SND_SOC_DAIFMT_DSP_B: + hi_size = 1; + frm_delay = 0; + frm_phase = 1; + break; + default: + return -EINVAL; + } + + switch (cs43130->dais[dai_id].dai_mode) { + case SND_SOC_DAIFMT_CBS_CFS: + dai_mode_val = 0; + break; + case SND_SOC_DAIFMT_CBM_CFM: + dai_mode_val = 1; + break; + default: + return -EINVAL; + } + + frm_size = bitwidth_sclk * params_channels(params); + sclk_edge = 1; + lrck_edge = 0; + loc_ch1 = 0; + loc_ch2 = bitwidth_sclk * (params_channels(params) - 1); + + frm_data = frm_delay & CS43130_SP_FSD_MASK; + frm_data |= (frm_phase << CS43130_SP_STP_SHIFT) & CS43130_SP_STP_MASK; + + clk_data = lrck_edge & CS43130_SP_LCPOL_IN_MASK; + clk_data |= (lrck_edge << CS43130_SP_LCPOL_OUT_SHIFT) & + CS43130_SP_LCPOL_OUT_MASK; + clk_data |= (sclk_edge << CS43130_SP_SCPOL_IN_SHIFT) & + CS43130_SP_SCPOL_IN_MASK; + clk_data |= (sclk_edge << CS43130_SP_SCPOL_OUT_SHIFT) & + CS43130_SP_SCPOL_OUT_MASK; + clk_data |= (dai_mode_val << CS43130_SP_MODE_SHIFT) & + CS43130_SP_MODE_MASK; + + switch (dai_id) { + case CS43130_ASP_PCM_DAI: + case CS43130_ASP_DOP_DAI: + regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_PERIOD_1, + CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >> + CS43130_SP_LCPR_LSB_DATA_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_PERIOD_2, + CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >> + CS43130_SP_LCPR_MSB_DATA_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_HI_TIME_1, + CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >> + CS43130_SP_LCHI_LSB_DATA_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_HI_TIME_2, + CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >> + CS43130_SP_LCHI_MSB_DATA_SHIFT); + regmap_write(cs43130->regmap, CS43130_ASP_FRAME_CONF, frm_data); + regmap_write(cs43130->regmap, CS43130_ASP_CH_1_LOC, loc_ch1); + regmap_write(cs43130->regmap, CS43130_ASP_CH_2_LOC, loc_ch2); + regmap_update_bits(cs43130->regmap, CS43130_ASP_CH_1_SZ_EN, + CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_ASP_CH_2_SZ_EN, + CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT); + regmap_write(cs43130->regmap, CS43130_ASP_CLOCK_CONF, clk_data); + break; + case CS43130_XSP_DOP_DAI: + regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_PERIOD_1, + CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >> + CS43130_SP_LCPR_LSB_DATA_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_PERIOD_2, + CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >> + CS43130_SP_LCPR_MSB_DATA_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_HI_TIME_1, + CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >> + CS43130_SP_LCHI_LSB_DATA_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_HI_TIME_2, + CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >> + CS43130_SP_LCHI_MSB_DATA_SHIFT); + regmap_write(cs43130->regmap, CS43130_XSP_FRAME_CONF, frm_data); + regmap_write(cs43130->regmap, CS43130_XSP_CH_1_LOC, loc_ch1); + regmap_write(cs43130->regmap, CS43130_XSP_CH_2_LOC, loc_ch2); + regmap_update_bits(cs43130->regmap, CS43130_XSP_CH_1_SZ_EN, + CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_XSP_CH_2_SZ_EN, + CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT); |