diff options
Diffstat (limited to 'sound/soc/codecs/adau1701.c')
| -rw-r--r-- | sound/soc/codecs/adau1701.c | 86 |
1 files changed, 81 insertions, 5 deletions
diff --git a/sound/soc/codecs/adau1701.c b/sound/soc/codecs/adau1701.c index 370b742..d4e219b 100644 --- a/sound/soc/codecs/adau1701.c +++ b/sound/soc/codecs/adau1701.c @@ -22,9 +22,14 @@ #include <sound/pcm_params.h> #include <sound/soc.h> +#include <asm/unaligned.h> + #include "sigmadsp.h" #include "adau1701.h" +#define ADAU1701_SAFELOAD_DATA(i) (0x0810 + (i)) +#define ADAU1701_SAFELOAD_ADDR(i) (0x0815 + (i)) + #define ADAU1701_DSPCTRL 0x081c #define ADAU1701_SEROCTL 0x081e #define ADAU1701_SERICTL 0x081f @@ -42,6 +47,7 @@ #define ADAU1701_DSPCTRL_CR (1 << 2) #define ADAU1701_DSPCTRL_DAM (1 << 3) #define ADAU1701_DSPCTRL_ADM (1 << 4) +#define ADAU1701_DSPCTRL_IST (1 << 5) #define ADAU1701_DSPCTRL_SR_48 0x00 #define ADAU1701_DSPCTRL_SR_96 0x01 #define ADAU1701_DSPCTRL_SR_192 0x02 @@ -102,7 +108,10 @@ struct adau1701 { unsigned int pll_clkdiv; unsigned int sysclk; struct regmap *regmap; + struct i2c_client *client; u8 pin_config[12]; + + struct sigmadsp *sigmadsp; }; static const struct snd_kcontrol_new adau1701_controls[] = { @@ -159,6 +168,7 @@ static bool adau1701_volatile_reg(struct device *dev, unsigned int reg) { switch (reg) { case ADAU1701_DACSET: + case ADAU1701_DSPCTRL: return true; default: return false; @@ -238,12 +248,58 @@ static int adau1701_reg_read(void *context, unsigned int reg, return 0; } -static int adau1701_reset(struct snd_soc_codec *codec, unsigned int clkdiv) +static int adau1701_safeload(struct sigmadsp *sigmadsp, unsigned int addr, + const uint8_t bytes[], size_t len) +{ + struct i2c_client *client = to_i2c_client(sigmadsp->dev); + struct adau1701 *adau1701 = i2c_get_clientdata(client); + unsigned int val; + unsigned int i; + uint8_t buf[10]; + int ret; + + ret = regmap_read(adau1701->regmap, ADAU1701_DSPCTRL, &val); + if (ret) + return ret; + + if (val & ADAU1701_DSPCTRL_IST) + msleep(50); + + for (i = 0; i < len / 4; i++) { + put_unaligned_le16(ADAU1701_SAFELOAD_DATA(i), buf); + buf[2] = 0x00; + memcpy(buf + 3, bytes + i * 4, 4); + ret = i2c_master_send(client, buf, 7); + if (ret < 0) + return ret; + else if (ret != 7) + return -EIO; + + put_unaligned_le16(ADAU1701_SAFELOAD_ADDR(i), buf); + put_unaligned_le16(addr + i, buf + 2); + ret = i2c_master_send(client, buf, 4); + if (ret < 0) + return ret; + else if (ret != 4) + return -EIO; + } + + return regmap_update_bits(adau1701->regmap, ADAU1701_DSPCTRL, + ADAU1701_DSPCTRL_IST, ADAU1701_DSPCTRL_IST); +} + +static const struct sigmadsp_ops adau1701_sigmadsp_ops = { + .safeload = adau1701_safeload, +}; + +static int adau1701_reset(struct snd_soc_codec *codec, unsigned int clkdiv, + unsigned int rate) { struct adau1701 *adau1701 = snd_soc_codec_get_drvdata(codec); - struct i2c_client *client = to_i2c_client(codec->dev); int ret; + sigmadsp_reset(adau1701->sigmadsp); + if (clkdiv != ADAU1707_CLKDIV_UNSET && gpio_is_valid(adau1701->gpio_pll_mode[0]) && gpio_is_valid(adau1701->gpio_pll_mode[1])) { @@ -284,7 +340,7 @@ static int adau1701_reset(struct snd_soc_codec *codec, unsigned int clkdiv) * know the correct PLL setup */ if (clkdiv != ADAU1707_CLKDIV_UNSET) { - ret = process_sigma_firmware(client, ADAU1701_FIRMWARE); + ret = sigmadsp_setup(adau1701->sigmadsp, rate); if (ret) { dev_warn(codec->dev, "Failed to load firmware\n"); return ret; @@ -385,7 +441,7 @@ static int adau1701_hw_params(struct snd_pcm_substream *substream, * firmware upload. */ if (clkdiv != adau1701->pll_clkdiv) { - ret = adau1701_reset(codec, clkdiv); + ret = adau1701_reset(codec, clkdiv, params_rate(params)); if (ret < 0) return ret; } @@ -554,6 +610,14 @@ static int adau1701_set_sysclk(struct snd_soc_codec *codec, int clk_id, return 0; } +static int adau1701_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct adau1701 *adau1701 = snd_soc_codec_get_drvdata(dai->codec); + + return sigmadsp_restrict_params(adau1701->sigmadsp, substream); +} + #define ADAU1701_RATES (SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | \ SNDRV_PCM_RATE_192000) @@ -564,6 +628,7 @@ static const struct snd_soc_dai_ops adau1701_dai_ops = { .set_fmt = adau1701_set_dai_fmt, .hw_params = adau1701_hw_params, .digital_mute = adau1701_digital_mute, + .startup = adau1701_startup, }; static struct snd_soc_dai_driver adau1701_dai = { @@ -600,6 +665,10 @@ static int adau1701_probe(struct snd_soc_codec *codec) unsigned int val; struct adau1701 *adau1701 = snd_soc_codec_get_drvdata(codec); + ret = sigmadsp_attach(adau1701->sigmadsp, &codec->component); + if (ret) + return ret; + /* * Let the pll_clkdiv variable default to something that won't happen * at runtime. That way, we can postpone the firmware download from @@ -609,7 +678,7 @@ static int adau1701_probe(struct snd_soc_codec *codec) adau1701->pll_clkdiv = ADAU1707_CLKDIV_UNSET; /* initalize with pre-configured pll mode settings */ - ret = adau1701_reset(codec, adau1701->pll_clkdiv); + ret = adau1701_reset(codec, adau1701->pll_clkdiv, 0); if (ret < 0) return ret; @@ -667,6 +736,7 @@ static int adau1701_i2c_probe(struct i2c_client *client, if (!adau1701) return -ENOMEM; + adau1701->client = client; adau1701->regmap = devm_regmap_init(dev, NULL, client, &adau1701_regmap); if (IS_ERR(adau1701->regmap)) @@ -722,6 +792,12 @@ static int adau1701_i2c_probe(struct i2c_client *client, adau1701->gpio_pll_mode[1] = gpio_pll_mode[1]; i2c_set_clientdata(client, adau1701); + + adau1701->sigmadsp = devm_sigmadsp_init_i2c(client, + &adau1701_sigmadsp_ops, ADAU1701_FIRMWARE); + if (IS_ERR(adau1701->sigmadsp)) + return PTR_ERR(adau1701->sigmadsp); + ret = snd_soc_register_codec(&client->dev, &adau1701_codec_drv, &adau1701_dai, 1); return ret; |
