ASoC: 88pm860x: Use regmap for I/O

As part of a move to remove the duplication of regmap functionality in ASoC
convert the 88pm860x driver to use the regmap from the MFD. This means that
we no longer cache the registers so performance will be slightly reduced
on I/O operations.

Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/sound/soc/codecs/88pm860x-codec.c b/sound/soc/codecs/88pm860x-codec.c
index 3925cf3..4633e51 100644 (file)
--- a/sound/soc/codecs/88pm860x-codec.c
+++ b/sound/soc/codecs/88pm860x-codec.c
@@ -16,6 +16,7 @@
 #include <linux/mfd/88pm860x.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
+#include <linux/regmap.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
@@ -140,6 +141,7 @@ struct pm860x_priv {
        unsigned int            filter;
        struct snd_soc_codec    *codec;
        struct i2c_client       *i2c;
+       struct regmap           *regmap;
        struct pm860x_chip      *chip;
        struct pm860x_det       det;
 
@@ -269,48 +271,6 @@ static struct st_gain st_table[] = {
        {   -86, 29,  0}, {   -56, 30,  0}, {   -28, 31,  0}, {     0,  0,  0},
 };
 
-static int pm860x_volatile(unsigned int reg)
-{
-       BUG_ON(reg >= REG_CACHE_SIZE);
-
-       switch (reg) {
-       case PM860X_AUDIO_SUPPLIES_2:
-               return 1;
-       }
-
-       return 0;
-}
-
-static unsigned int pm860x_read_reg_cache(struct snd_soc_codec *codec,
-                                         unsigned int reg)
-{
-       unsigned char *cache = codec->reg_cache;
-
-       BUG_ON(reg >= REG_CACHE_SIZE);
-
-       if (pm860x_volatile(reg))
-               return cache[reg];
-
-       reg += REG_CACHE_BASE;
-
-       return pm860x_reg_read(codec->control_data, reg);
-}
-
-static int pm860x_write_reg_cache(struct snd_soc_codec *codec,
-                                 unsigned int reg, unsigned int value)
-{
-       unsigned char *cache = codec->reg_cache;
-
-       BUG_ON(reg >= REG_CACHE_SIZE);
-
-       if (!pm860x_volatile(reg))
-               cache[reg] = (unsigned char)value;
-
-       reg += REG_CACHE_BASE;
-
-       return pm860x_reg_write(codec->control_data, reg, value);
-}
-
 static int snd_soc_get_volsw_2r_st(struct snd_kcontrol *kcontrol,
                                   struct snd_ctl_elem_value *ucontrol)
 {
@@ -1364,7 +1324,7 @@ static int pm860x_probe(struct snd_soc_codec *codec)
 
        pm860x->codec = codec;
 
-       codec->control_data = pm860x->i2c;
+       codec->control_data = pm860x->regmap;
 
        for (i = 0; i < 4; i++) {
                ret = request_threaded_irq(pm860x->irq[i], NULL,
@@ -1378,14 +1338,6 @@ static int pm860x_probe(struct snd_soc_codec *codec)
 
        pm860x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 
-       ret = pm860x_bulk_read(pm860x->i2c, REG_CACHE_BASE,
-                              REG_CACHE_SIZE, codec->reg_cache);
-       if (ret < 0) {
-               dev_err(codec->dev, "Failed to fill register cache: %d\n",
-                       ret);
-               goto out;
-       }
-
        return 0;
 
 out:
@@ -1408,10 +1360,6 @@ static int pm860x_remove(struct snd_soc_codec *codec)
 static struct snd_soc_codec_driver soc_codec_dev_pm860x = {
        .probe          = pm860x_probe,
        .remove         = pm860x_remove,
-       .read           = pm860x_read_reg_cache,
-       .write          = pm860x_write_reg_cache,
-       .reg_cache_size = REG_CACHE_SIZE,
-       .reg_word_size  = sizeof(u8),
        .set_bias_level = pm860x_set_bias_level,
 
        .controls = pm860x_snd_controls,
@@ -1437,6 +1385,8 @@ static int pm860x_codec_probe(struct platform_device *pdev)
        pm860x->chip = chip;
        pm860x->i2c = (chip->id == CHIP_PM8607) ? chip->client
                        : chip->companion;
+       pm860x->regmap = (chip->id == CHIP_PM8607) ? chip->regmap
+                       : chip->regmap_companion;
        platform_set_drvdata(pdev, pm860x);
 
        for (i = 0; i < 4; i++) {

diff --git a/sound/soc/codecs/88pm860x-codec.h b/sound/soc/codecs/88pm860x-codec.h
index 3364ba4..f7282f4 100644 (file)
--- a/sound/soc/codecs/88pm860x-codec.h
+++ b/sound/soc/codecs/88pm860x-codec.h
@@ -12,67 +12,66 @@
 #ifndef __88PM860X_H
 #define __88PM860X_H
 
-/* The offset of these registers are 0xb0 */
-#define PM860X_PCM_IFACE_1             0x00
-#define PM860X_PCM_IFACE_2             0x01
-#define PM860X_PCM_IFACE_3             0x02
-#define PM860X_PCM_RATE                        0x03
-#define PM860X_EC_PATH                 0x04
-#define PM860X_SIDETONE_L_GAIN         0x05
-#define PM860X_SIDETONE_R_GAIN         0x06
-#define PM860X_SIDETONE_SHIFT          0x07
-#define PM860X_ADC_OFFSET_1            0x08
-#define PM860X_ADC_OFFSET_2            0x09
-#define PM860X_DMIC_DELAY              0x0a
+#define PM860X_PCM_IFACE_1             0xb0
+#define PM860X_PCM_IFACE_2             0xb1
+#define PM860X_PCM_IFACE_3             0xb2
+#define PM860X_PCM_RATE                        0xb3
+#define PM860X_EC_PATH                 0xb4
+#define PM860X_SIDETONE_L_GAIN         0xb5
+#define PM860X_SIDETONE_R_GAIN         0xb6
+#define PM860X_SIDETONE_SHIFT          0xb7
+#define PM860X_ADC_OFFSET_1            0xb8
+#define PM860X_ADC_OFFSET_2            0xb9
+#define PM860X_DMIC_DELAY              0xba
 
-#define PM860X_I2S_IFACE_1             0x0b
-#define PM860X_I2S_IFACE_2             0x0c
-#define PM860X_I2S_IFACE_3             0x0d
-#define PM860X_I2S_IFACE_4             0x0e
-#define PM860X_EQUALIZER_N0_1          0x0f
-#define PM860X_EQUALIZER_N0_2          0x10
-#define PM860X_EQUALIZER_N1_1          0x11
-#define PM860X_EQUALIZER_N1_2          0x12
-#define PM860X_EQUALIZER_D1_1          0x13
-#define PM860X_EQUALIZER_D1_2          0x14
-#define PM860X_LOFI_GAIN_LEFT          0x15
-#define PM860X_LOFI_GAIN_RIGHT         0x16
-#define PM860X_HIFIL_GAIN_LEFT         0x17
-#define PM860X_HIFIL_GAIN_RIGHT                0x18
-#define PM860X_HIFIR_GAIN_LEFT         0x19
-#define PM860X_HIFIR_GAIN_RIGHT                0x1a
-#define PM860X_DAC_OFFSET              0x1b
-#define PM860X_OFFSET_LEFT_1           0x1c
-#define PM860X_OFFSET_LEFT_2           0x1d
-#define PM860X_OFFSET_RIGHT_1          0x1e
-#define PM860X_OFFSET_RIGHT_2          0x1f
-#define PM860X_ADC_ANA_1               0x20
-#define PM860X_ADC_ANA_2               0x21
-#define PM860X_ADC_ANA_3               0x22
-#define PM860X_ADC_ANA_4               0x23
-#define PM860X_ANA_TO_ANA              0x24
-#define PM860X_HS1_CTRL                        0x25
-#define PM860X_HS2_CTRL                        0x26
-#define PM860X_LO1_CTRL                        0x27
-#define PM860X_LO2_CTRL                        0x28
-#define PM860X_EAR_CTRL_1              0x29
-#define PM860X_EAR_CTRL_2              0x2a
-#define PM860X_AUDIO_SUPPLIES_1                0x2b
-#define PM860X_AUDIO_SUPPLIES_2                0x2c
-#define PM860X_ADC_EN_1                        0x2d
-#define PM860X_ADC_EN_2                        0x2e
-#define PM860X_DAC_EN_1                        0x2f
-#define PM860X_DAC_EN_2                        0x31
-#define PM860X_AUDIO_CAL_1             0x32
-#define PM860X_AUDIO_CAL_2             0x33
-#define PM860X_AUDIO_CAL_3             0x34
-#define PM860X_AUDIO_CAL_4             0x35
-#define PM860X_AUDIO_CAL_5             0x36
-#define PM860X_ANA_INPUT_SEL_1         0x37
-#define PM860X_ANA_INPUT_SEL_2         0x38
+#define PM860X_I2S_IFACE_1             0xbb
+#define PM860X_I2S_IFACE_2             0xbc
+#define PM860X_I2S_IFACE_3             0xbd
+#define PM860X_I2S_IFACE_4             0xbe
+#define PM860X_EQUALIZER_N0_1          0xbf
+#define PM860X_EQUALIZER_N0_2          0xc0
+#define PM860X_EQUALIZER_N1_1          0xc1
+#define PM860X_EQUALIZER_N1_2          0xc2
+#define PM860X_EQUALIZER_D1_1          0xc3
+#define PM860X_EQUALIZER_D1_2          0xc4
+#define PM860X_LOFI_GAIN_LEFT          0xc5
+#define PM860X_LOFI_GAIN_RIGHT         0xc6
+#define PM860X_HIFIL_GAIN_LEFT         0xc7
+#define PM860X_HIFIL_GAIN_RIGHT                0xc8
+#define PM860X_HIFIR_GAIN_LEFT         0xc9
+#define PM860X_HIFIR_GAIN_RIGHT                0xca
+#define PM860X_DAC_OFFSET              0xcb
+#define PM860X_OFFSET_LEFT_1           0xcc
+#define PM860X_OFFSET_LEFT_2           0xcd
+#define PM860X_OFFSET_RIGHT_1          0xce
+#define PM860X_OFFSET_RIGHT_2          0xcf
+#define PM860X_ADC_ANA_1               0xd0
+#define PM860X_ADC_ANA_2               0xd1
+#define PM860X_ADC_ANA_3               0xd2
+#define PM860X_ADC_ANA_4               0xd3
+#define PM860X_ANA_TO_ANA              0xd4
+#define PM860X_HS1_CTRL                        0xd5
+#define PM860X_HS2_CTRL                        0xd6
+#define PM860X_LO1_CTRL                        0xd7
+#define PM860X_LO2_CTRL                        0xd8
+#define PM860X_EAR_CTRL_1              0xd9
+#define PM860X_EAR_CTRL_2              0xda
+#define PM860X_AUDIO_SUPPLIES_1                0xdb
+#define PM860X_AUDIO_SUPPLIES_2                0xdc
+#define PM860X_ADC_EN_1                        0xdd
+#define PM860X_ADC_EN_2                        0xde
+#define PM860X_DAC_EN_1                        0xdf
+#define PM860X_DAC_EN_2                        0xe1
+#define PM860X_AUDIO_CAL_1             0xe2
+#define PM860X_AUDIO_CAL_2             0xe3
+#define PM860X_AUDIO_CAL_3             0xe4
+#define PM860X_AUDIO_CAL_4             0xe5
+#define PM860X_AUDIO_CAL_5             0xe6
+#define PM860X_ANA_INPUT_SEL_1         0xe7
+#define PM860X_ANA_INPUT_SEL_2         0xe8
 
-#define PM860X_PCM_IFACE_4             0x39
-#define PM860X_I2S_IFACE_5             0x3a
+#define PM860X_PCM_IFACE_4             0xe9
+#define PM860X_I2S_IFACE_5             0xea
 
 #define PM860X_SHORTS                  0x3b
 #define PM860X_PLL_ADJ_1               0x3c