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author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-12-02 08:35:07 +0400 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-12-02 08:35:07 +0400 |
commit | 81e2c0da114fc6ed41147b6559a530cd21708e81 (patch) | |
tree | 02aba78036c869ccd49bc03725a7e2f128b5c738 /sound | |
parent | 81467c332579df104c2f863aca48d5390b9079cd (diff) | |
parent | dd1b18abca8aabaa464e4d9418752a45c90ccd69 (diff) | |
download | linux-81e2c0da114fc6ed41147b6559a530cd21708e81.tar.xz |
Merge remote-tracking branch 'asoc/topic/jz4740' into asoc-next
Diffstat (limited to 'sound')
-rw-r--r-- | sound/soc/codecs/Kconfig | 1 | ||||
-rw-r--r-- | sound/soc/codecs/jz4740.c | 142 |
2 files changed, 60 insertions, 83 deletions
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 80799639814e..ef03c7ab46a6 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -236,6 +236,7 @@ config SND_SOC_CX20442 tristate config SND_SOC_JZ4740_CODEC + select REGMAP_MMIO tristate config SND_SOC_L3 diff --git a/sound/soc/codecs/jz4740.c b/sound/soc/codecs/jz4740.c index 85d9cabe6d55..9ad1da36887e 100644 --- a/sound/soc/codecs/jz4740.c +++ b/sound/soc/codecs/jz4740.c @@ -16,6 +16,7 @@ #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/io.h> +#include <linux/regmap.h> #include <linux/delay.h> @@ -24,9 +25,10 @@ #include <sound/pcm_params.h> #include <sound/initval.h> #include <sound/soc.h> +#include <sound/tlv.h> #define JZ4740_REG_CODEC_1 0x0 -#define JZ4740_REG_CODEC_2 0x1 +#define JZ4740_REG_CODEC_2 0x4 #define JZ4740_CODEC_1_LINE_ENABLE BIT(29) #define JZ4740_CODEC_1_MIC_ENABLE BIT(28) @@ -67,43 +69,36 @@ #define JZ4740_CODEC_2_MIC_BOOST_GAIN_OFFSET 4 #define JZ4740_CODEC_2_HEADPHONE_VOLUME_OFFSET 0 -static const uint32_t jz4740_codec_regs[] = { - 0x021b2302, 0x00170803, +static const struct reg_default jz4740_codec_reg_defaults[] = { + { JZ4740_REG_CODEC_1, 0x021b2302 }, + { JZ4740_REG_CODEC_2, 0x00170803 }, }; struct jz4740_codec { - void __iomem *base; - struct resource *mem; + struct regmap *regmap; }; -static unsigned int jz4740_codec_read(struct snd_soc_codec *codec, - unsigned int reg) -{ - struct jz4740_codec *jz4740_codec = snd_soc_codec_get_drvdata(codec); - return readl(jz4740_codec->base + (reg << 2)); -} - -static int jz4740_codec_write(struct snd_soc_codec *codec, unsigned int reg, - unsigned int val) -{ - struct jz4740_codec *jz4740_codec = snd_soc_codec_get_drvdata(codec); - u32 *cache = codec->reg_cache; - - cache[reg] = val; - writel(val, jz4740_codec->base + (reg << 2)); +static const unsigned int jz4740_mic_tlv[] = { + TLV_DB_RANGE_HEAD(2), + 0, 2, TLV_DB_SCALE_ITEM(0, 600, 0), + 3, 3, TLV_DB_SCALE_ITEM(2000, 0, 0), +}; - return 0; -} +static const DECLARE_TLV_DB_SCALE(jz4740_out_tlv, 0, 200, 0); +static const DECLARE_TLV_DB_SCALE(jz4740_in_tlv, -3450, 150, 0); static const struct snd_kcontrol_new jz4740_codec_controls[] = { - SOC_SINGLE("Master Playback Volume", JZ4740_REG_CODEC_2, - JZ4740_CODEC_2_HEADPHONE_VOLUME_OFFSET, 3, 0), - SOC_SINGLE("Master Capture Volume", JZ4740_REG_CODEC_2, - JZ4740_CODEC_2_INPUT_VOLUME_OFFSET, 31, 0), + SOC_SINGLE_TLV("Master Playback Volume", JZ4740_REG_CODEC_2, + JZ4740_CODEC_2_HEADPHONE_VOLUME_OFFSET, 3, 0, + jz4740_out_tlv), + SOC_SINGLE_TLV("Master Capture Volume", JZ4740_REG_CODEC_2, + JZ4740_CODEC_2_INPUT_VOLUME_OFFSET, 31, 0, + jz4740_in_tlv), SOC_SINGLE("Master Playback Switch", JZ4740_REG_CODEC_1, JZ4740_CODEC_1_HEADPHONE_DISABLE_OFFSET, 1, 1), - SOC_SINGLE("Mic Capture Volume", JZ4740_REG_CODEC_2, - JZ4740_CODEC_2_MIC_BOOST_GAIN_OFFSET, 3, 0), + SOC_SINGLE_TLV("Mic Capture Volume", JZ4740_REG_CODEC_2, + JZ4740_CODEC_2_MIC_BOOST_GAIN_OFFSET, 3, 0, + jz4740_mic_tlv), }; static const struct snd_kcontrol_new jz4740_codec_output_controls[] = { @@ -163,8 +158,8 @@ static const struct snd_soc_dapm_route jz4740_codec_dapm_routes[] = { static int jz4740_codec_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { + struct jz4740_codec *jz4740_codec = snd_soc_codec_get_drvdata(dai->codec); uint32_t val; - struct snd_soc_codec *codec = dai->codec; switch (params_rate(params)) { case 8000: @@ -200,7 +195,7 @@ static int jz4740_codec_hw_params(struct snd_pcm_substream *substream, val <<= JZ4740_CODEC_2_SAMPLE_RATE_OFFSET; - snd_soc_update_bits(codec, JZ4740_REG_CODEC_2, + regmap_update_bits(jz4740_codec->regmap, JZ4740_REG_CODEC_2, JZ4740_CODEC_2_SAMPLE_RATE_MASK, val); return 0; @@ -230,25 +225,23 @@ static struct snd_soc_dai_driver jz4740_codec_dai = { .symmetric_rates = 1, }; -static void jz4740_codec_wakeup(struct snd_soc_codec *codec) +static void jz4740_codec_wakeup(struct regmap *regmap) { - int i; - uint32_t *cache = codec->reg_cache; - - snd_soc_update_bits(codec, JZ4740_REG_CODEC_1, + regmap_update_bits(regmap, JZ4740_REG_CODEC_1, JZ4740_CODEC_1_RESET, JZ4740_CODEC_1_RESET); udelay(2); - snd_soc_update_bits(codec, JZ4740_REG_CODEC_1, + regmap_update_bits(regmap, JZ4740_REG_CODEC_1, JZ4740_CODEC_1_SUSPEND | JZ4740_CODEC_1_RESET, 0); - for (i = 0; i < ARRAY_SIZE(jz4740_codec_regs); ++i) - jz4740_codec_write(codec, i, cache[i]); + regcache_sync(regmap); } static int jz4740_codec_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { + struct jz4740_codec *jz4740_codec = snd_soc_codec_get_drvdata(codec); + struct regmap *regmap = jz4740_codec->regmap; unsigned int mask; unsigned int value; @@ -261,12 +254,12 @@ static int jz4740_codec_set_bias_level(struct snd_soc_codec *codec, JZ4740_CODEC_1_HEADPHONE_POWERDOWN_M; value = 0; - snd_soc_update_bits(codec, JZ4740_REG_CODEC_1, mask, value); + regmap_update_bits(regmap, JZ4740_REG_CODEC_1, mask, value); break; case SND_SOC_BIAS_STANDBY: /* The only way to clear the suspend flag is to reset the codec */ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) - jz4740_codec_wakeup(codec); + jz4740_codec_wakeup(regmap); mask = JZ4740_CODEC_1_VREF_DISABLE | JZ4740_CODEC_1_VREF_AMP_DISABLE | @@ -275,13 +268,14 @@ static int jz4740_codec_set_bias_level(struct snd_soc_codec *codec, JZ4740_CODEC_1_VREF_AMP_DISABLE | JZ4740_CODEC_1_HEADPHONE_POWERDOWN_M; - snd_soc_update_bits(codec, JZ4740_REG_CODEC_1, mask, value); + regmap_update_bits(regmap, JZ4740_REG_CODEC_1, mask, value); break; case SND_SOC_BIAS_OFF: mask = JZ4740_CODEC_1_SUSPEND; value = JZ4740_CODEC_1_SUSPEND; - snd_soc_update_bits(codec, JZ4740_REG_CODEC_1, mask, value); + regmap_update_bits(regmap, JZ4740_REG_CODEC_1, mask, value); + regcache_mark_dirty(regmap); break; default: break; @@ -294,7 +288,9 @@ static int jz4740_codec_set_bias_level(struct snd_soc_codec *codec, static int jz4740_codec_dev_probe(struct snd_soc_codec *codec) { - snd_soc_update_bits(codec, JZ4740_REG_CODEC_1, + struct jz4740_codec *jz4740_codec = snd_soc_codec_get_drvdata(codec); + + regmap_update_bits(jz4740_codec->regmap, JZ4740_REG_CODEC_1, JZ4740_CODEC_1_SW2_ENABLE, JZ4740_CODEC_1_SW2_ENABLE); jz4740_codec_set_bias_level(codec, SND_SOC_BIAS_STANDBY); @@ -331,12 +327,7 @@ static struct snd_soc_codec_driver soc_codec_dev_jz4740_codec = { .remove = jz4740_codec_dev_remove, .suspend = jz4740_codec_suspend, .resume = jz4740_codec_resume, - .read = jz4740_codec_read, - .write = jz4740_codec_write, .set_bias_level = jz4740_codec_set_bias_level, - .reg_cache_default = jz4740_codec_regs, - .reg_word_size = sizeof(u32), - .reg_cache_size = 2, .controls = jz4740_codec_controls, .num_controls = ARRAY_SIZE(jz4740_codec_controls), @@ -346,11 +337,23 @@ static struct snd_soc_codec_driver soc_codec_dev_jz4740_codec = { .num_dapm_routes = ARRAY_SIZE(jz4740_codec_dapm_routes), }; +static const struct regmap_config jz4740_codec_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = JZ4740_REG_CODEC_2, + + .reg_defaults = jz4740_codec_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(jz4740_codec_reg_defaults), + .cache_type = REGCACHE_RBTREE, +}; + static int __devinit jz4740_codec_probe(struct platform_device *pdev) { int ret; struct jz4740_codec *jz4740_codec; struct resource *mem; + void __iomem *base; jz4740_codec = devm_kzalloc(&pdev->dev, sizeof(*jz4740_codec), GFP_KERNEL); @@ -358,56 +361,29 @@ static int __devinit jz4740_codec_probe(struct platform_device *pdev) return -ENOMEM; mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!mem) { - dev_err(&pdev->dev, "Failed to get mmio memory resource\n"); - ret = -ENOENT; - goto err_out; - } - - mem = request_mem_region(mem->start, resource_size(mem), pdev->name); - if (!mem) { - dev_err(&pdev->dev, "Failed to request mmio memory region\n"); - ret = -EBUSY; - goto err_out; - } + base = devm_request_and_ioremap(&pdev->dev, mem); + if (!base) + return -EBUSY; - jz4740_codec->base = ioremap(mem->start, resource_size(mem)); - if (!jz4740_codec->base) { - dev_err(&pdev->dev, "Failed to ioremap mmio memory\n"); - ret = -EBUSY; - goto err_release_mem_region; - } - jz4740_codec->mem = mem; + jz4740_codec->regmap = devm_regmap_init_mmio(&pdev->dev, base, + &jz4740_codec_regmap_config); + if (IS_ERR(jz4740_codec->regmap)) + return PTR_ERR(jz4740_codec->regmap); platform_set_drvdata(pdev, jz4740_codec); ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_jz4740_codec, &jz4740_codec_dai, 1); - if (ret) { + if (ret) dev_err(&pdev->dev, "Failed to register codec\n"); - goto err_iounmap; - } - return 0; - -err_iounmap: - iounmap(jz4740_codec->base); -err_release_mem_region: - release_mem_region(mem->start, resource_size(mem)); -err_out: return ret; } static int __devexit jz4740_codec_remove(struct platform_device *pdev) { - struct jz4740_codec *jz4740_codec = platform_get_drvdata(pdev); - struct resource *mem = jz4740_codec->mem; - snd_soc_unregister_codec(&pdev->dev); - iounmap(jz4740_codec->base); - release_mem_region(mem->start, resource_size(mem)); - platform_set_drvdata(pdev, NULL); return 0; |