mirror of https://gitee.com/openkylin/linux.git
ASoC: Convert wm8804 to direct regmap API usage
The register map for this device is actually fairly sparse so the rbtree should be beneficial. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown
parent
f649f1a8aa
commit
891271c28f
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@ -18,6 +18,7 @@
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#include <linux/i2c.h>
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#include <linux/of_device.h>
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#include <linux/spi/spi.h>
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#include <linux/regmap.h>
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#include <linux/regulator/consumer.h>
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#include <linux/slab.h>
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#include <sound/core.h>
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@ -35,45 +36,33 @@ static const char *wm8804_supply_names[WM8804_NUM_SUPPLIES] = {
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"DVDD"
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};
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static const u8 wm8804_reg_defs[] = {
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0x05, /* R0 - RST/DEVID1 */
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0x88, /* R1 - DEVID2 */
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0x04, /* R2 - DEVREV */
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0x21, /* R3 - PLL1 */
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0xFD, /* R4 - PLL2 */
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0x36, /* R5 - PLL3 */
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0x07, /* R6 - PLL4 */
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0x16, /* R7 - PLL5 */
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0x18, /* R8 - PLL6 */
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0xFF, /* R9 - SPDMODE */
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0x00, /* R10 - INTMASK */
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0x00, /* R11 - INTSTAT */
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0x00, /* R12 - SPDSTAT */
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0x00, /* R13 - RXCHAN1 */
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0x00, /* R14 - RXCHAN2 */
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0x00, /* R15 - RXCHAN3 */
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0x00, /* R16 - RXCHAN4 */
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0x00, /* R17 - RXCHAN5 */
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0x00, /* R18 - SPDTX1 */
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0x00, /* R19 - SPDTX2 */
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0x00, /* R20 - SPDTX3 */
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0x71, /* R21 - SPDTX4 */
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0x0B, /* R22 - SPDTX5 */
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0x70, /* R23 - GPO0 */
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0x57, /* R24 - GPO1 */
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0x00, /* R25 */
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0x42, /* R26 - GPO2 */
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0x06, /* R27 - AIFTX */
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0x06, /* R28 - AIFRX */
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0x80, /* R29 - SPDRX1 */
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0x07, /* R30 - PWRDN */
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static const struct reg_default wm8804_reg_defaults[] = {
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{ 3, 0x21 }, /* R3 - PLL1 */
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{ 4, 0xFD }, /* R4 - PLL2 */
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{ 5, 0x36 }, /* R5 - PLL3 */
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{ 6, 0x07 }, /* R6 - PLL4 */
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{ 7, 0x16 }, /* R7 - PLL5 */
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{ 8, 0x18 }, /* R8 - PLL6 */
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{ 9, 0xFF }, /* R9 - SPDMODE */
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{ 10, 0x00 }, /* R10 - INTMASK */
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{ 18, 0x00 }, /* R18 - SPDTX1 */
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{ 19, 0x00 }, /* R19 - SPDTX2 */
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{ 20, 0x00 }, /* R20 - SPDTX3 */
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{ 21, 0x71 }, /* R21 - SPDTX4 */
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{ 22, 0x0B }, /* R22 - SPDTX5 */
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{ 23, 0x70 }, /* R23 - GPO0 */
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{ 24, 0x57 }, /* R24 - GPO1 */
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{ 26, 0x42 }, /* R26 - GPO2 */
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{ 27, 0x06 }, /* R27 - AIFTX */
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{ 28, 0x06 }, /* R28 - AIFRX */
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{ 29, 0x80 }, /* R29 - SPDRX1 */
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{ 30, 0x07 }, /* R30 - PWRDN */
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};
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struct wm8804_priv {
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enum snd_soc_control_type control_type;
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struct regmap *regmap;
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struct regulator_bulk_data supplies[WM8804_NUM_SUPPLIES];
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struct notifier_block disable_nb[WM8804_NUM_SUPPLIES];
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struct snd_soc_codec *codec;
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};
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static int txsrc_get(struct snd_kcontrol *kcontrol,
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@ -94,7 +83,7 @@ static int wm8804_regulator_event_##n(struct notifier_block *nb, \
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struct wm8804_priv *wm8804 = container_of(nb, struct wm8804_priv, \
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disable_nb[n]); \
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if (event & REGULATOR_EVENT_DISABLE) { \
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wm8804->codec->cache_sync = 1; \
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regcache_mark_dirty(wm8804->regmap); \
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} \
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return 0; \
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}
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@ -176,7 +165,7 @@ static int txsrc_put(struct snd_kcontrol *kcontrol,
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return 0;
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}
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static int wm8804_volatile(struct snd_soc_codec *codec, unsigned int reg)
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static bool wm8804_volatile(struct device *dev, unsigned int reg)
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{
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switch (reg) {
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case WM8804_RST_DEVID1:
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@ -189,12 +178,10 @@ static int wm8804_volatile(struct snd_soc_codec *codec, unsigned int reg)
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case WM8804_RXCHAN3:
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case WM8804_RXCHAN4:
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case WM8804_RXCHAN5:
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return 1;
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return true;
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default:
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break;
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return false;
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}
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return 0;
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}
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static int wm8804_reset(struct snd_soc_codec *codec)
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@ -506,7 +493,7 @@ static int wm8804_set_bias_level(struct snd_soc_codec *codec,
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ret);
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return ret;
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}
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snd_soc_cache_sync(codec);
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regcache_sync(wm8804->regmap);
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}
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/* power down the OSC and the PLL */
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snd_soc_update_bits(codec, WM8804_PWRDN, 0x9, 0x9);
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@ -561,11 +548,11 @@ static int wm8804_probe(struct snd_soc_codec *codec)
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int i, id1, id2, ret;
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wm8804 = snd_soc_codec_get_drvdata(codec);
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wm8804->codec = codec;
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codec->dapm.idle_bias_off = 1;
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codec->control_data = wm8804->regmap;
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ret = snd_soc_codec_set_cache_io(codec, 8, 8, wm8804->control_type);
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ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
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if (ret < 0) {
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dev_err(codec->dev, "Failed to set cache i/o: %d\n", ret);
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return ret;
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@ -618,8 +605,7 @@ static int wm8804_probe(struct snd_soc_codec *codec)
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id2 = (id2 << 8) | id1;
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if (id2 != ((wm8804_reg_defs[WM8804_DEVID2] << 8)
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| wm8804_reg_defs[WM8804_RST_DEVID1])) {
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if (id2 != 0x8805) {
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dev_err(codec->dev, "Invalid device ID: %#x\n", id2);
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ret = -EINVAL;
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goto err_reg_enable;
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@ -692,10 +678,6 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8804 = {
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.suspend = wm8804_suspend,
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.resume = wm8804_resume,
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.set_bias_level = wm8804_set_bias_level,
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.reg_cache_size = ARRAY_SIZE(wm8804_reg_defs),
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.reg_word_size = sizeof(u8),
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.reg_cache_default = wm8804_reg_defs,
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.volatile_register = wm8804_volatile,
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.controls = wm8804_snd_controls,
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.num_controls = ARRAY_SIZE(wm8804_snd_controls),
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@ -707,6 +689,18 @@ static const struct of_device_id wm8804_of_match[] = {
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};
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MODULE_DEVICE_TABLE(of, wm8804_of_match);
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static struct regmap_config wm8804_regmap_config = {
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.reg_bits = 8,
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.val_bits = 8,
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.max_register = WM8804_MAX_REGISTER,
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.volatile_reg = wm8804_volatile,
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.cache_type = REGCACHE_RBTREE,
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.reg_defaults = wm8804_reg_defaults,
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.num_reg_defaults = ARRAY_SIZE(wm8804_reg_defaults),
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};
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#if defined(CONFIG_SPI_MASTER)
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static int __devinit wm8804_spi_probe(struct spi_device *spi)
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{
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@ -717,7 +711,12 @@ static int __devinit wm8804_spi_probe(struct spi_device *spi)
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if (!wm8804)
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return -ENOMEM;
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wm8804->control_type = SND_SOC_SPI;
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wm8804->regmap = regmap_init_spi(spi, &wm8804_regmap_config);
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if (IS_ERR(wm8804->regmap)) {
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ret = PTR_ERR(wm8804->regmap);
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return ret;
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}
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spi_set_drvdata(spi, wm8804);
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ret = snd_soc_register_codec(&spi->dev,
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@ -728,7 +727,9 @@ static int __devinit wm8804_spi_probe(struct spi_device *spi)
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static int __devexit wm8804_spi_remove(struct spi_device *spi)
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{
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struct wm8804_priv *wm8804 = spi_get_drvdata(spi);
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snd_soc_unregister_codec(&spi->dev);
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regmap_exit(wm8804->regmap);
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return 0;
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}
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@ -754,18 +755,26 @@ static __devinit int wm8804_i2c_probe(struct i2c_client *i2c,
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if (!wm8804)
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return -ENOMEM;
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wm8804->control_type = SND_SOC_I2C;
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i2c_set_clientdata(i2c, wm8804);
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ret = snd_soc_register_codec(&i2c->dev,
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&soc_codec_dev_wm8804, &wm8804_dai, 1);
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if (ret != 0)
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goto err;
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return 0;
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err:
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regmap_exit(wm8804->regmap);
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return ret;
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}
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static __devexit int wm8804_i2c_remove(struct i2c_client *client)
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static __devexit int wm8804_i2c_remove(struct i2c_client *i2c)
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{
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snd_soc_unregister_codec(&client->dev);
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struct wm8804_priv *wm8804 = i2c_get_clientdata(i2c);
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snd_soc_unregister_codec(&i2c->dev);
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regmap_exit(wm8804->regmap);
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return 0;
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}
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