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Diffstat (limited to 'sound/soc/codecs/wm8753.c')
-rw-r--r--sound/soc/codecs/wm8753.c773
1 files changed, 356 insertions, 417 deletions
diff --git a/sound/soc/codecs/wm8753.c b/sound/soc/codecs/wm8753.c
index 8f679a13f2b..53e57b4049a 100644
--- a/sound/soc/codecs/wm8753.c
+++ b/sound/soc/codecs/wm8753.c
@@ -1,7 +1,7 @@
/*
* wm8753.c -- WM8753 ALSA Soc Audio driver
*
- * Copyright 2003 Wolfson Microelectronics PLC.
+ * Copyright 2003-11 Wolfson Microelectronics PLC.
* Author: Liam Girdwood <lrg@slimlogic.co.uk>
*
* This program is free software; you can redistribute it and/or modify it
@@ -38,14 +38,14 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
-#include <linux/platform_device.h>
+#include <linux/of_device.h>
+#include <linux/regmap.h>
#include <linux/spi/spi.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 <asm/div64.h>
@@ -56,89 +56,106 @@ static int caps_charge = 2000;
module_param(caps_charge, int, 0);
MODULE_PARM_DESC(caps_charge, "WM8753 cap charge time (msecs)");
-static void wm8753_set_dai_mode(struct snd_soc_codec *codec,
- struct snd_soc_dai *dai, unsigned int hifi);
+static int wm8753_hifi_write_dai_fmt(struct snd_soc_codec *codec,
+ unsigned int fmt);
+static int wm8753_voice_write_dai_fmt(struct snd_soc_codec *codec,
+ unsigned int fmt);
/*
* wm8753 register cache
* We can't read the WM8753 register space when we
* are using 2 wire for device control, so we cache them instead.
*/
-static const u16 wm8753_reg[] = {
- 0x0008, 0x0000, 0x000a, 0x000a,
- 0x0033, 0x0000, 0x0007, 0x00ff,
- 0x00ff, 0x000f, 0x000f, 0x007b,
- 0x0000, 0x0032, 0x0000, 0x00c3,
- 0x00c3, 0x00c0, 0x0000, 0x0000,
- 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0000, 0x0000, 0x0000, 0x0055,
- 0x0005, 0x0050, 0x0055, 0x0050,
- 0x0055, 0x0050, 0x0055, 0x0079,
- 0x0079, 0x0079, 0x0079, 0x0079,
- 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0097, 0x0097, 0x0000, 0x0004,
- 0x0000, 0x0083, 0x0024, 0x01ba,
- 0x0000, 0x0083, 0x0024, 0x01ba,
- 0x0000, 0x0000, 0x0000
+static const struct reg_default wm8753_reg_defaults[] = {
+ { 0x00, 0x0000 },
+ { 0x01, 0x0008 },
+ { 0x02, 0x0000 },
+ { 0x03, 0x000a },
+ { 0x04, 0x000a },
+ { 0x05, 0x0033 },
+ { 0x06, 0x0000 },
+ { 0x07, 0x0007 },
+ { 0x08, 0x00ff },
+ { 0x09, 0x00ff },
+ { 0x0a, 0x000f },
+ { 0x0b, 0x000f },
+ { 0x0c, 0x007b },
+ { 0x0d, 0x0000 },
+ { 0x0e, 0x0032 },
+ { 0x0f, 0x0000 },
+ { 0x10, 0x00c3 },
+ { 0x11, 0x00c3 },
+ { 0x12, 0x00c0 },
+ { 0x13, 0x0000 },
+ { 0x14, 0x0000 },
+ { 0x15, 0x0000 },
+ { 0x16, 0x0000 },
+ { 0x17, 0x0000 },
+ { 0x18, 0x0000 },
+ { 0x19, 0x0000 },
+ { 0x1a, 0x0000 },
+ { 0x1b, 0x0000 },
+ { 0x1c, 0x0000 },
+ { 0x1d, 0x0000 },
+ { 0x1e, 0x0000 },
+ { 0x1f, 0x0000 },
+ { 0x20, 0x0055 },
+ { 0x21, 0x0005 },
+ { 0x22, 0x0050 },
+ { 0x23, 0x0055 },
+ { 0x24, 0x0050 },
+ { 0x25, 0x0055 },
+ { 0x26, 0x0050 },
+ { 0x27, 0x0055 },
+ { 0x28, 0x0079 },
+ { 0x29, 0x0079 },
+ { 0x2a, 0x0079 },
+ { 0x2b, 0x0079 },
+ { 0x2c, 0x0079 },
+ { 0x2d, 0x0000 },
+ { 0x2e, 0x0000 },
+ { 0x2f, 0x0000 },
+ { 0x30, 0x0000 },
+ { 0x31, 0x0097 },
+ { 0x32, 0x0097 },
+ { 0x33, 0x0000 },
+ { 0x34, 0x0004 },
+ { 0x35, 0x0000 },
+ { 0x36, 0x0083 },
+ { 0x37, 0x0024 },
+ { 0x38, 0x01ba },
+ { 0x39, 0x0000 },
+ { 0x3a, 0x0083 },
+ { 0x3b, 0x0024 },
+ { 0x3c, 0x01ba },
+ { 0x3d, 0x0000 },
+ { 0x3e, 0x0000 },
+ { 0x3f, 0x0000 },
};
-/* codec private data */
-struct wm8753_priv {
- enum snd_soc_control_type control_type;
- unsigned int sysclk;
- unsigned int pcmclk;
- u16 reg_cache[ARRAY_SIZE(wm8753_reg)];
- int dai_func;
-};
-
-/*
- * read wm8753 register cache
- */
-static inline unsigned int wm8753_read_reg_cache(struct snd_soc_codec *codec,
- unsigned int reg)
+static bool wm8753_volatile(struct device *dev, unsigned int reg)
{
- u16 *cache = codec->reg_cache;
- if (reg < 1 || reg >= (ARRAY_SIZE(wm8753_reg) + 1))
- return -1;
- return cache[reg - 1];
+ return reg == WM8753_RESET;
}
-/*
- * write wm8753 register cache
- */
-static inline void wm8753_write_reg_cache(struct snd_soc_codec *codec,
- unsigned int reg, unsigned int value)
+static bool wm8753_writeable(struct device *dev, unsigned int reg)
{
- u16 *cache = codec->reg_cache;
- if (reg < 1 || reg >= (ARRAY_SIZE(wm8753_reg) + 1))
- return;
- cache[reg - 1] = value;
+ return reg <= WM8753_ADCTL2;
}
-/*
- * write to the WM8753 register space
- */
-static int wm8753_write(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int value)
-{
- u8 data[2];
+/* codec private data */
+struct wm8753_priv {
+ struct regmap *regmap;
+ unsigned int sysclk;
+ unsigned int pcmclk;
- /* data is
- * D15..D9 WM8753 register offset
- * D8...D0 register data
- */
- data[0] = (reg << 1) | ((value >> 8) & 0x0001);
- data[1] = value & 0x00ff;
+ unsigned int voice_fmt;
+ unsigned int hifi_fmt;
- wm8753_write_reg_cache(codec, reg, value);
- if (codec->hw_write(codec->control_data, data, 2) == 2)
- return 0;
- else
- return -EIO;
-}
+ int dai_func;
+};
-#define wm8753_reset(c) wm8753_write(c, WM8753_RESET, 0)
+#define wm8753_reset(c) snd_soc_write(c, WM8753_RESET, 0)
/*
* WM8753 Controls
@@ -217,27 +234,40 @@ SOC_ENUM_SINGLE(WM8753_OUTCTL, 2, 2, wm8753_rout2_phase),
static int wm8753_get_dai(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- int mode = wm8753_read_reg_cache(codec, WM8753_IOCTL);
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
- ucontrol->value.integer.value[0] = (mode & 0xc) >> 2;
+ ucontrol->value.integer.value[0] = wm8753->dai_func;
return 0;
}
static int wm8753_set_dai(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- int mode = wm8753_read_reg_cache(codec, WM8753_IOCTL);
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
+ u16 ioctl;
- if (((mode & 0xc) >> 2) == ucontrol->value.integer.value[0])
+ if (wm8753->dai_func == ucontrol->value.integer.value[0])
return 0;
- mode &= 0xfff3;
- mode |= (ucontrol->value.integer.value[0] << 2);
+ if (snd_soc_codec_is_active(codec))
+ return -EBUSY;
+
+ ioctl = snd_soc_read(codec, WM8753_IOCTL);
+
+ wm8753->dai_func = ucontrol->value.integer.value[0];
+
+ if (((ioctl >> 2) & 0x3) == wm8753->dai_func)
+ return 1;
+
+ ioctl = (ioctl & 0x1f3) | (wm8753->dai_func << 2);
+ snd_soc_write(codec, WM8753_IOCTL, ioctl);
+
+
+ wm8753_hifi_write_dai_fmt(codec, wm8753->hifi_fmt);
+ wm8753_voice_write_dai_fmt(codec, wm8753->voice_fmt);
- wm8753->dai_func = ucontrol->value.integer.value[0];
return 1;
}
@@ -514,7 +544,7 @@ SND_SOC_DAPM_INPUT("MIC2"),
SND_SOC_DAPM_VMID("VREF"),
};
-static const struct snd_soc_dapm_route audio_map[] = {
+static const struct snd_soc_dapm_route wm8753_dapm_routes[] = {
/* left mixer */
{"Left Mixer", "Left Playback Switch", "Left DAC"},
{"Left Mixer", "Voice Playback Switch", "Voice DAC"},
@@ -668,16 +698,6 @@ static const struct snd_soc_dapm_route audio_map[] = {
{"ACOP", NULL, "ALC Mixer"},
};
-static int wm8753_add_widgets(struct snd_soc_codec *codec)
-{
- snd_soc_dapm_new_controls(codec, wm8753_dapm_widgets,
- ARRAY_SIZE(wm8753_dapm_widgets));
-
- snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
-
- return 0;
-}
-
/* PLL divisors */
struct _pll_div {
u32 div2:1;
@@ -738,17 +758,17 @@ static int wm8753_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
if (pll_id == WM8753_PLL1) {
offset = 0;
enable = 0x10;
- reg = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xffef;
+ reg = snd_soc_read(codec, WM8753_CLOCK) & 0xffef;
} else {
offset = 4;
enable = 0x8;
- reg = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xfff7;
+ reg = snd_soc_read(codec, WM8753_CLOCK) & 0xfff7;
}
if (!freq_in || !freq_out) {
/* disable PLL */
- wm8753_write(codec, WM8753_PLL1CTL1 + offset, 0x0026);
- wm8753_write(codec, WM8753_CLOCK, reg);
+ snd_soc_write(codec, WM8753_PLL1CTL1 + offset, 0x0026);
+ snd_soc_write(codec, WM8753_CLOCK, reg);
return 0;
} else {
u16 value = 0;
@@ -759,20 +779,20 @@ static int wm8753_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
/* set up N and K PLL divisor ratios */
/* bits 8:5 = PLL_N, bits 3:0 = PLL_K[21:18] */
value = (pll_div.n << 5) + ((pll_div.k & 0x3c0000) >> 18);
- wm8753_write(codec, WM8753_PLL1CTL2 + offset, value);
+ snd_soc_write(codec, WM8753_PLL1CTL2 + offset, value);
/* bits 8:0 = PLL_K[17:9] */
value = (pll_div.k & 0x03fe00) >> 9;
- wm8753_write(codec, WM8753_PLL1CTL3 + offset, value);
+ snd_soc_write(codec, WM8753_PLL1CTL3 + offset, value);
/* bits 8:0 = PLL_K[8:0] */
value = pll_div.k & 0x0001ff;
- wm8753_write(codec, WM8753_PLL1CTL4 + offset, value);
+ snd_soc_write(codec, WM8753_PLL1CTL4 + offset, value);
/* set PLL as input and enable */
- wm8753_write(codec, WM8753_PLL1CTL1 + offset, 0x0027 |
+ snd_soc_write(codec, WM8753_PLL1CTL1 + offset, 0x0027 |
(pll_div.div2 << 3));
- wm8753_write(codec, WM8753_CLOCK, reg | enable);
+ snd_soc_write(codec, WM8753_CLOCK, reg | enable);
}
return 0;
}
@@ -875,11 +895,10 @@ static int wm8753_set_dai_sysclk(struct snd_soc_dai *codec_dai,
/*
* Set's ADC and Voice DAC format.
*/
-static int wm8753_vdac_adc_set_dai_fmt(struct snd_soc_dai *codec_dai,
+static int wm8753_vdac_adc_set_dai_fmt(struct snd_soc_codec *codec,
unsigned int fmt)
{
- struct snd_soc_codec *codec = codec_dai->codec;
- u16 voice = wm8753_read_reg_cache(codec, WM8753_PCM) & 0x01ec;
+ u16 voice = snd_soc_read(codec, WM8753_PCM) & 0x01ec;
/* interface format */
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
@@ -901,14 +920,7 @@ static int wm8753_vdac_adc_set_dai_fmt(struct snd_soc_dai *codec_dai,
return -EINVAL;
}
- wm8753_write(codec, WM8753_PCM, voice);
- return 0;
-}
-
-static int wm8753_pcm_startup(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- wm8753_set_dai_mode(dai->codec, dai, 0);
+ snd_soc_write(codec, WM8753_PCM, voice);
return 0;
}
@@ -919,11 +931,10 @@ static int wm8753_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_codec *codec = dai->codec;
struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
- u16 voice = wm8753_read_reg_cache(codec, WM8753_PCM) & 0x01f3;
- u16 srate = wm8753_read_reg_cache(codec, WM8753_SRATE1) & 0x017f;
+ u16 voice = snd_soc_read(codec, WM8753_PCM) & 0x01f3;
+ u16 srate = snd_soc_read(codec, WM8753_SRATE1) & 0x017f;
/* bit size */
switch (params_format(params)) {
@@ -943,23 +954,22 @@ static int wm8753_pcm_hw_params(struct snd_pcm_substream *substream,
/* sample rate */
if (params_rate(params) * 384 == wm8753->pcmclk)
srate |= 0x80;
- wm8753_write(codec, WM8753_SRATE1, srate);
+ snd_soc_write(codec, WM8753_SRATE1, srate);
- wm8753_write(codec, WM8753_PCM, voice);
+ snd_soc_write(codec, WM8753_PCM, voice);
return 0;
}
/*
* Set's PCM dai fmt and BCLK.
*/
-static int wm8753_pcm_set_dai_fmt(struct snd_soc_dai *codec_dai,
+static int wm8753_pcm_set_dai_fmt(struct snd_soc_codec *codec,
unsigned int fmt)
{
- struct snd_soc_codec *codec = codec_dai->codec;
u16 voice, ioctl;
- voice = wm8753_read_reg_cache(codec, WM8753_PCM) & 0x011f;
- ioctl = wm8753_read_reg_cache(codec, WM8753_IOCTL) & 0x015d;
+ voice = snd_soc_read(codec, WM8753_PCM) & 0x011f;
+ ioctl = snd_soc_read(codec, WM8753_IOCTL) & 0x015d;
/* set master/slave audio interface */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
@@ -1013,8 +1023,8 @@ static int wm8753_pcm_set_dai_fmt(struct snd_soc_dai *codec_dai,
return -EINVAL;
}
- wm8753_write(codec, WM8753_PCM, voice);
- wm8753_write(codec, WM8753_IOCTL, ioctl);
+ snd_soc_write(codec, WM8753_PCM, voice);
+ snd_soc_write(codec, WM8753_IOCTL, ioctl);
return 0;
}
@@ -1026,16 +1036,16 @@ static int wm8753_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
switch (div_id) {
case WM8753_PCMDIV:
- reg = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0x003f;
- wm8753_write(codec, WM8753_CLOCK, reg | div);
+ reg = snd_soc_read(codec, WM8753_CLOCK) & 0x003f;
+ snd_soc_write(codec, WM8753_CLOCK, reg | div);
break;
case WM8753_BCLKDIV:
- reg = wm8753_read_reg_cache(codec, WM8753_SRATE2) & 0x01c7;
- wm8753_write(codec, WM8753_SRATE2, reg | div);
+ reg = snd_soc_read(codec, WM8753_SRATE2) & 0x01c7;
+ snd_soc_write(codec, WM8753_SRATE2, reg | div);
break;
case WM8753_VXCLKDIV:
- reg = wm8753_read_reg_cache(codec, WM8753_SRATE2) & 0x003f;
- wm8753_write(codec, WM8753_SRATE2, reg | div);
+ reg = snd_soc_read(codec, WM8753_SRATE2) & 0x003f;
+ snd_soc_write(codec, WM8753_SRATE2, reg | div);
break;
default:
return -EINVAL;
@@ -1046,11 +1056,10 @@ static int wm8753_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
/*
* Set's HiFi DAC format.
*/
-static int wm8753_hdac_set_dai_fmt(struct snd_soc_dai *codec_dai,
+static int wm8753_hdac_set_dai_fmt(struct snd_soc_codec *codec,
unsigned int fmt)
{
- struct snd_soc_codec *codec = codec_dai->codec;
- u16 hifi = wm8753_read_reg_cache(codec, WM8753_HIFI) & 0x01e0;
+ u16 hifi = snd_soc_read(codec, WM8753_HIFI) & 0x01e0;
/* interface format */
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
@@ -1072,21 +1081,20 @@ static int wm8753_hdac_set_dai_fmt(struct snd_soc_dai *codec_dai,
return -EINVAL;
}
- wm8753_write(codec, WM8753_HIFI, hifi);
+ snd_soc_write(codec, WM8753_HIFI, hifi);
return 0;
}
/*
* Set's I2S DAI format.
*/
-static int wm8753_i2s_set_dai_fmt(struct snd_soc_dai *codec_dai,
+static int wm8753_i2s_set_dai_fmt(struct snd_soc_codec *codec,
unsigned int fmt)
{
- struct snd_soc_codec *codec = codec_dai->codec;
u16 ioctl, hifi;
- hifi = wm8753_read_reg_cache(codec, WM8753_HIFI) & 0x011f;
- ioctl = wm8753_read_reg_cache(codec, WM8753_IOCTL) & 0x00ae;
+ hifi = snd_soc_read(codec, WM8753_HIFI) & 0x011f;
+ ioctl = snd_soc_read(codec, WM8753_IOCTL) & 0x00ae;
/* set master/slave audio interface */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
@@ -1140,15 +1148,8 @@ static int wm8753_i2s_set_dai_fmt(struct snd_soc_dai *codec_dai,
return -EINVAL;
}
- wm8753_write(codec, WM8753_HIFI, hifi);
- wm8753_write(codec, WM8753_IOCTL, ioctl);
- return 0;
-}
-
-static int wm8753_i2s_startup(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- wm8753_set_dai_mode(dai->codec, dai, 1);
+ snd_soc_write(codec, WM8753_HIFI, hifi);
+ snd_soc_write(codec, WM8753_IOCTL, ioctl);
return 0;
}
@@ -1159,11 +1160,10 @@ static int wm8753_i2s_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_codec *codec = dai->codec;
struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
- u16 srate = wm8753_read_reg_cache(codec, WM8753_SRATE1) & 0x01c0;
- u16 hifi = wm8753_read_reg_cache(codec, WM8753_HIFI) & 0x01f3;
+ u16 srate = snd_soc_read(codec, WM8753_SRATE1) & 0x01c0;
+ u16 hifi = snd_soc_read(codec, WM8753_HIFI) & 0x01f3;
int coeff;
/* is digital filter coefficient valid ? */
@@ -1172,7 +1172,7 @@ static int wm8753_i2s_hw_params(struct snd_pcm_substream *substream,
printk(KERN_ERR "wm8753 invalid MCLK or rate\n");
return coeff;
}
- wm8753_write(codec, WM8753_SRATE1, srate | (coeff_div[coeff].sr << 1) |
+ snd_soc_write(codec, WM8753_SRATE1, srate | (coeff_div[coeff].sr << 1) |
coeff_div[coeff].usb);
/* bit size */
@@ -1190,81 +1190,137 @@ static int wm8753_i2s_hw_params(struct snd_pcm_substream *substream,
break;
}
- wm8753_write(codec, WM8753_HIFI, hifi);
+ snd_soc_write(codec, WM8753_HIFI, hifi);
return 0;
}
-static int wm8753_mode1v_set_dai_fmt(struct snd_soc_dai *codec_dai,
+static int wm8753_mode1v_set_dai_fmt(struct snd_soc_codec *codec,
unsigned int fmt)
{
- struct snd_soc_codec *codec = codec_dai->codec;
u16 clock;
/* set clk source as pcmclk */
- clock = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xfffb;
- wm8753_write(codec, WM8753_CLOCK, clock);
+ clock = snd_soc_read(codec, WM8753_CLOCK) & 0xfffb;
+ snd_soc_write(codec, WM8753_CLOCK, clock);
- if (wm8753_vdac_adc_set_dai_fmt(codec_dai, fmt) < 0)
- return -EINVAL;
- return wm8753_pcm_set_dai_fmt(codec_dai, fmt);
+ return wm8753_vdac_adc_set_dai_fmt(codec, fmt);
}
-static int wm8753_mode1h_set_dai_fmt(struct snd_soc_dai *codec_dai,
+static int wm8753_mode1h_set_dai_fmt(struct snd_soc_codec *codec,
unsigned int fmt)
{
- if (wm8753_hdac_set_dai_fmt(codec_dai, fmt) < 0)
- return -EINVAL;
- return wm8753_i2s_set_dai_fmt(codec_dai, fmt);
+ return wm8753_hdac_set_dai_fmt(codec, fmt);
}
-static int wm8753_mode2_set_dai_fmt(struct snd_soc_dai *codec_dai,
+static int wm8753_mode2_set_dai_fmt(struct snd_soc_codec *codec,
unsigned int fmt)
{
- struct snd_soc_codec *codec = codec_dai->codec;
u16 clock;
/* set clk source as pcmclk */
- clock = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xfffb;
- wm8753_write(codec, WM8753_CLOCK, clock);
+ clock = snd_soc_read(codec, WM8753_CLOCK) & 0xfffb;
+ snd_soc_write(codec, WM8753_CLOCK, clock);
- if (wm8753_vdac_adc_set_dai_fmt(codec_dai, fmt) < 0)
- return -EINVAL;
- return wm8753_i2s_set_dai_fmt(codec_dai, fmt);
+ return wm8753_vdac_adc_set_dai_fmt(codec, fmt);
}
-static int wm8753_mode3_4_set_dai_fmt(struct snd_soc_dai *codec_dai,
+static int wm8753_mode3_4_set_dai_fmt(struct snd_soc_codec *codec,
unsigned int fmt)
{
- struct snd_soc_codec *codec = codec_dai->codec;
u16 clock;
/* set clk source as mclk */
- clock = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xfffb;
- wm8753_write(codec, WM8753_CLOCK, clock | 0x4);
+ clock = snd_soc_read(codec, WM8753_CLOCK) & 0xfffb;
+ snd_soc_write(codec, WM8753_CLOCK, clock | 0x4);
- if (wm8753_hdac_set_dai_fmt(codec_dai, fmt) < 0)
+ if (wm8753_hdac_set_dai_fmt(codec, fmt) < 0)
return -EINVAL;
- if (wm8753_vdac_adc_set_dai_fmt(codec_dai, fmt) < 0)
- return -EINVAL;
- return wm8753_i2s_set_dai_fmt(codec_dai, fmt);
+ return wm8753_vdac_adc_set_dai_fmt(codec, fmt);
}
+static int wm8753_hifi_write_dai_fmt(struct snd_soc_codec *codec,
+ unsigned int fmt)
+{
+ struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
+ int ret = 0;
+
+ switch (wm8753->dai_func) {
+ case 0:
+ ret = wm8753_mode1h_set_dai_fmt(codec, fmt);
+ break;
+ case 1:
+ ret = wm8753_mode2_set_dai_fmt(codec, fmt);
+ break;
+ case 2:
+ case 3:
+ ret = wm8753_mode3_4_set_dai_fmt(codec, fmt);
+ break;
+ default:
+ break;
+ }
+ if (ret)
+ return ret;
+
+ return wm8753_i2s_set_dai_fmt(codec, fmt);
+}
+
+static int wm8753_hifi_set_dai_fmt(struct snd_soc_dai *codec_dai,
+ unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
+
+ wm8753->hifi_fmt = fmt;
+
+ return wm8753_hifi_write_dai_fmt(codec, fmt);
+};
+
+static int wm8753_voice_write_dai_fmt(struct snd_soc_codec *codec,
+ unsigned int fmt)
+{
+ struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
+ int ret = 0;
+
+ if (wm8753->dai_func != 0)
+ return 0;
+
+ ret = wm8753_mode1v_set_dai_fmt(codec, fmt);
+ if (ret)
+ return ret;
+ ret = wm8753_pcm_set_dai_fmt(codec, fmt);
+ if (ret)
+ return ret;
+
+ return 0;
+};
+
+static int wm8753_voice_set_dai_fmt(struct snd_soc_dai *codec_dai,
+ unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
+
+ wm8753->voice_fmt = fmt;
+
+ return wm8753_voice_write_dai_fmt(codec, fmt);
+};
+
static int wm8753_mute(struct snd_soc_dai *dai, int mute)
{
struct snd_soc_codec *codec = dai->codec;
- u16 mute_reg = wm8753_read_reg_cache(codec, WM8753_DAC) & 0xfff7;
+ u16 mute_reg = snd_soc_read(codec, WM8753_DAC) & 0xfff7;
struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
/* the digital mute covers the HiFi and Voice DAC's on the WM8753.
* make sure we check if they are not both active when we mute */
if (mute && wm8753->dai_func == 1) {
- if (!codec->active)
- wm8753_write(codec, WM8753_DAC, mute_reg | 0x8);
+ if (!snd_soc_codec_is_active(codec))
+ snd_soc_write(codec, WM8753_DAC, mute_reg | 0x8);
} else {
if (mute)
- wm8753_write(codec, WM8753_DAC, mute_reg | 0x8);
+ snd_soc_write(codec, WM8753_DAC, mute_reg | 0x8);
else
- wm8753_write(codec, WM8753_DAC, mute_reg);
+ snd_soc_write(codec, WM8753_DAC, mute_reg);
}
return 0;
@@ -1273,26 +1329,26 @@ static int wm8753_mute(struct snd_soc_dai *dai, int mute)
static int wm8753_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
- u16 pwr_reg = wm8753_read_reg_cache(codec, WM8753_PWR1) & 0xfe3e;
+ u16 pwr_reg = snd_soc_read(codec, WM8753_PWR1) & 0xfe3e;
switch (level) {
case SND_SOC_BIAS_ON:
/* set vmid to 50k and unmute dac */
- wm8753_write(codec, WM8753_PWR1, pwr_reg | 0x00c0);
+ snd_soc_write(codec, WM8753_PWR1, pwr_reg | 0x00c0);
break;
case SND_SOC_BIAS_PREPARE:
/* set vmid to 5k for quick power up */
- wm8753_write(codec, WM8753_PWR1, pwr_reg | 0x01c1);
+ snd_soc_write(codec, WM8753_PWR1, pwr_reg | 0x01c1);
break;
case SND_SOC_BIAS_STANDBY:
/* mute dac and set vmid to 500k, enable VREF */
- wm8753_write(codec, WM8753_PWR1, pwr_reg | 0x0141);
+ snd_soc_write(codec, WM8753_PWR1, pwr_reg | 0x0141);
break;
case SND_SOC_BIAS_OFF:
- wm8753_write(codec, WM8753_PWR1, 0x0001);
+ snd_soc_write(codec, WM8753_PWR1, 0x0001);
break;
}
- codec->bias_level = level;
+ codec->dapm.bias_level = level;
return 0;
}
@@ -1305,7 +1361,7 @@ static int wm8753_set_bias_level(struct snd_soc_codec *codec,
SNDRV_PCM_FMTBIT_S24_LE)
/*
- * The WM8753 supports upto 4 different and mutually exclusive DAI
+ * The WM8753 supports up to 4 different and mutually exclusive DAI
* configurations. This gives 2 PCM's available for use, hifi and voice.
* NOTE: The Voice PCM cannot play or capture audio to the CPU as it's DAI
* is connected between the wm8753 and a BT codec or GSM modem.
@@ -1315,57 +1371,25 @@ static int wm8753_set_bias_level(struct snd_soc_codec *codec,
* 3. Voice disabled - HIFI over HIFI
* 4. Voice disabled - HIFI over HIFI, uses voice DAI LRC for capture
*/
-static struct snd_soc_dai_ops wm8753_dai_ops_hifi_mode1 = {
- .startup = wm8753_i2s_startup,
+static const struct snd_soc_dai_ops wm8753_dai_ops_hifi_mode = {
.hw_params = wm8753_i2s_hw_params,
.digital_mute = wm8753_mute,
- .set_fmt = wm8753_mode1h_set_dai_fmt,
+ .set_fmt = wm8753_hifi_set_dai_fmt,
.set_clkdiv = wm8753_set_dai_clkdiv,
.set_pll = wm8753_set_dai_pll,
.set_sysclk = wm8753_set_dai_sysclk,
};
-static struct snd_soc_dai_ops wm8753_dai_ops_voice_mode1 = {
- .startup = wm8753_pcm_startup,
+static const struct snd_soc_dai_ops wm8753_dai_ops_voice_mode = {
.hw_params = wm8753_pcm_hw_params,
.digital_mute = wm8753_mute,
- .set_fmt = wm8753_mode1v_set_dai_fmt,
+ .set_fmt = wm8753_voice_set_dai_fmt,
.set_clkdiv = wm8753_set_dai_clkdiv,
.set_pll = wm8753_set_dai_pll,
.set_sysclk = wm8753_set_dai_sysclk,
};
-static struct snd_soc_dai_ops wm8753_dai_ops_voice_mode2 = {
- .startup = wm8753_pcm_startup,
- .hw_params = wm8753_pcm_hw_params,
- .digital_mute = wm8753_mute,
- .set_fmt = wm8753_mode2_set_dai_fmt,
- .set_clkdiv = wm8753_set_dai_clkdiv,
- .set_pll = wm8753_set_dai_pll,
- .set_sysclk = wm8753_set_dai_sysclk,
-};
-
-static struct snd_soc_dai_ops wm8753_dai_ops_hifi_mode3 = {
- .startup = wm8753_i2s_startup,
- .hw_params = wm8753_i2s_hw_params,
- .digital_mute = wm8753_mute,
- .set_fmt = wm8753_mode3_4_set_dai_fmt,
- .set_clkdiv = wm8753_set_dai_clkdiv,
- .set_pll = wm8753_set_dai_pll,
- .set_sysclk = wm8753_set_dai_sysclk,
-};
-
-static struct snd_soc_dai_ops wm8753_dai_ops_hifi_mode4 = {
- .startup = wm8753_i2s_startup,
- .hw_params = wm8753_i2s_hw_params,
- .digital_mute = wm8753_mute,
- .set_fmt = wm8753_mode3_4_set_dai_fmt,
- .set_clkdiv = wm8753_set_dai_clkdiv,
- .set_pll = wm8753_set_dai_pll,
- .set_sysclk = wm8753_set_dai_sysclk,
-};
-
-static struct snd_soc_dai_driver wm8753_all_dai[] = {
+static struct snd_soc_dai_driver wm8753_dai[] = {
/* DAI HiFi mode 1 */
{ .name = "wm8753-hifi",
.playback = {
@@ -1373,14 +1397,16 @@ static struct snd_soc_dai_driver wm8753_all_dai[] = {
.channels_min = 1,
.channels_max = 2,
.rates = WM8753_RATES,
- .formats = WM8753_FORMATS},
+ .formats = WM8753_FORMATS
+ },
.capture = { /* dummy for fast DAI switching */
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 2,
.rates = WM8753_RATES,
- .formats = WM8753_FORMATS},
- .ops = &wm8753_dai_ops_hifi_mode1,
+ .formats = WM8753_FORMATS
+ },
+ .ops = &wm8753_dai_ops_hifi_mode,
},
/* DAI Voice mode 1 */
{ .name = "wm8753-voice",
@@ -1389,105 +1415,29 @@ static struct snd_soc_dai_driver wm8753_all_dai[] = {
.channels_min = 1,
.channels_max = 1,
.rates = WM8753_RATES,
- .formats = WM8753_FORMATS,},
- .capture = {
- .stream_name = "Capture",
- .channels_min = 1,
- .channels_max = 2,
- .rates = WM8753_RATES,
- .formats = WM8753_FORMATS,},
- .ops = &wm8753_dai_ops_voice_mode1,
-},
-/* DAI HiFi mode 2 - dummy */
-{ .name = "wm8753-hifi",
-},
-/* DAI Voice mode 2 */
-{ .name = "wm8753-voice",
- .playback = {
- .stream_name = "Voice Playback",
- .channels_min = 1,
- .channels_max = 1,
- .rates = WM8753_RATES,
- .formats = WM8753_FORMATS,},
- .capture = {
- .stream_name = "Capture",
- .channels_min = 1,
- .channels_max = 2,
- .rates = WM8753_RATES,
- .formats = WM8753_FORMATS,},
- .ops = &wm8753_dai_ops_voice_mode2,
-},
-/* DAI HiFi mode 3 */
-{ .name = "wm8753-hifi",
- .playback = {
- .stream_name = "HiFi Playback",
- .channels_min = 1,
- .channels_max = 2,
- .rates = WM8753_RATES,
- .formats = WM8753_FORMATS,},
- .capture = {
- .stream_name = "Capture",
- .channels_min = 1,
- .channels_max = 2,
- .rates = WM8753_RATES,
- .formats = WM8753_FORMATS,},
- .ops = &wm8753_dai_ops_hifi_mode3,
-},
-/* DAI Voice mode 3 - dummy */
-{ .name = "wm8753-voice",
-},
-/* DAI HiFi mode 4 */
-{ .name = "wm8753-hifi",
- .playback = {
- .stream_name = "HiFi Playback",
- .channels_min = 1,
- .channels_max = 2,
- .rates = WM8753_RATES,
- .formats = WM8753_FORMATS,},
+ .formats = WM8753_FORMATS,
+ },
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 2,
.rates = WM8753_RATES,
- .formats = WM8753_FORMATS,},
- .ops = &wm8753_dai_ops_hifi_mode4,
-},
-/* DAI Voice mode 4 - dummy */
-{ .name = "wm8753-voice",
-},
-};
-
-static struct snd_soc_dai_driver wm8753_dai[] = {
- {
- .name = "wm8753-aif0",
- },
- {
- .name = "wm8753-aif1",
+ .formats = WM8753_FORMATS,
},
+ .ops = &wm8753_dai_ops_voice_mode,
+},
};
-static void wm8753_set_dai_mode(struct snd_soc_codec *codec,
- struct snd_soc_dai *dai, unsigned int hifi)
-{
- struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
-
- if (wm8753->dai_func < 4) {
- if (hifi)
- dai->driver = &wm8753_all_dai[wm8753->dai_func << 1];
- else
- dai->driver = &wm8753_all_dai[(wm8753->dai_func << 1) + 1];
- }
- wm8753_write(codec, WM8753_IOCTL, wm8753->dai_func);
-}
-
static void wm8753_work(struct work_struct *work)
{
- struct snd_soc_codec *codec =
- container_of(work, struct snd_soc_codec, delayed_work.work);
- wm8753_set_bias_level(codec, codec->bias_level);
+ struct snd_soc_dapm_context *dapm =
+ container_of(work, struct snd_soc_dapm_context,
+ delayed_work.work);
+ struct snd_soc_codec *codec = dapm->codec;
+ wm8753_set_bias_level(codec, dapm->bias_level);
}
-static int wm8753_suspend(struct snd_soc_codec *codec, pm_message_t state)
+static int wm8753_suspend(struct snd_soc_codec *codec)
{
wm8753_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
@@ -1495,68 +1445,30 @@ static int wm8753_suspend(struct snd_soc_codec *codec, pm_message_t state)
static int wm8753_resume(struct snd_soc_codec *codec)
{
- int i;
- u8 data[2];
- u16 *cache = codec->reg_cache;
-
- /* Sync reg_cache with the hardware */
- for (i = 0; i < ARRAY_SIZE(wm8753_reg); i++) {
- if (i + 1 == WM8753_RESET)
- continue;
-
- /* No point in writing hardware default values back */
- if (cache[i] == wm8753_reg[i])
- continue;
+ struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
- data[0] = ((i + 1) << 1) | ((cache[i] >> 8) & 0x0001);
- data[1] = cache[i] & 0x00ff;
- codec->hw_write(codec->control_data, data, 2);
- }
+ regcache_sync(wm8753->regmap);
wm8753_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* charge wm8753 caps */
- if (codec->suspend_bias_level == SND_SOC_BIAS_ON) {
+ if (codec->dapm.suspend_bias_level == SND_SOC_BIAS_ON) {
wm8753_set_bias_level(codec, SND_SOC_BIAS_PREPARE);
- codec->bias_level = SND_SOC_BIAS_ON;
- schedule_delayed_work(&codec->delayed_work,
- msecs_to_jiffies(caps_charge));
+ codec->dapm.bias_level = SND_SOC_BIAS_ON;
+ queue_delayed_work(system_power_efficient_wq,
+ &codec->dapm.delayed_work,
+ msecs_to_jiffies(caps_charge));
}
return 0;
}
-/*
- * This function forces any delayed work to be queued and run.
- */
-static int run_delayed_work(struct delayed_work *dwork)
-{
- int ret;
-
- /* cancel any work waiting to be queued. */
- ret = cancel_delayed_work(dwork);
-
- /* if there was any work waiting then we run it now and
- * wait for it's completion */
- if (ret) {
- schedule_delayed_work(dwork, 0);
- flush_scheduled_work();
- }
- return ret;
-}
-
static int wm8753_probe(struct snd_soc_codec *codec)
{
struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
- int ret = 0, reg;
-
- INIT_DELAYED_WORK(&codec->delayed_work, wm8753_work);
+ int ret;
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8753->control_type);
- if (ret < 0) {
- dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- return ret;
- }
+ INIT_DELAYED_WORK(&codec->dapm.delayed_work, wm8753_work);
ret = wm8753_reset(codec);
if (ret < 0) {
@@ -1569,34 +1481,20 @@ static int wm8753_probe(struct snd_soc_codec *codec)
/* charge output caps */
wm8753_set_bias_level(codec, SND_SOC_BIAS_PREPARE);
- schedule_delayed_work(&codec->delayed_work,
+ schedule_delayed_work(&codec->dapm.delayed_work,
msecs_to_jiffies(caps_charge));
/* set the update bits */
- reg = wm8753_read_reg_cache(codec, WM8753_LDAC);
- wm8753_write(codec, WM8753_LDAC, reg | 0x0100);
- reg = wm8753_read_reg_cache(codec, WM8753_RDAC);
- wm8753_write(codec, WM8753_RDAC, reg | 0x0100);
- reg = wm8753_read_reg_cache(codec, WM8753_LADC);
- wm8753_write(codec, WM8753_LADC, reg | 0x0100);
- reg = wm8753_read_reg_cache(codec, WM8753_RADC);
- wm8753_write(codec, WM8753_RADC, reg | 0x0100);
- reg = wm8753_read_reg_cache(codec, WM8753_LOUT1V);
- wm8753_write(codec, WM8753_LOUT1V, reg | 0x0100);
- reg = wm8753_read_reg_cache(codec, WM8753_ROUT1V);
- wm8753_write(codec, WM8753_ROUT1V, reg | 0x0100);
- reg = wm8753_read_reg_cache(codec, WM8753_LOUT2V);
- wm8753_write(codec, WM8753_LOUT2V, reg | 0x0100);
- reg = wm8753_read_reg_cache(codec, WM8753_ROUT2V);
- wm8753_write(codec, WM8753_ROUT2V, reg | 0x0100);
- reg = wm8753_read_reg_cache(codec, WM8753_LINVOL);
- wm8753_write(codec, WM8753_LINVOL, reg | 0x0100);
- reg = wm8753_read_reg_cache(codec, WM8753_RINVOL);
- wm8753_write(codec, WM8753_RINVOL, reg | 0x0100);
-
- snd_soc_add_controls(codec, wm8753_snd_controls,
- ARRAY_SIZE(wm8753_snd_controls));
- wm8753_add_widgets(codec);
+ snd_soc_update_bits(codec, WM8753_LDAC, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8753_RDAC, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8753_LADC, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8753_RADC, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8753_LOUT1V, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8753_ROUT1V, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8753_LOUT2V, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8753_ROUT2V, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8753_LINVOL, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8753_RINVOL, 0x0100, 0x0100);
return 0;
}
@@ -1604,7 +1502,7 @@ static int wm8753_probe(struct snd_soc_codec *codec)
/* power down chip */
static int wm8753_remove(struct snd_soc_codec *codec)
{
- run_delayed_work(&codec->delayed_work);
+ flush_delayed_work(&codec->dapm.delayed_work);
wm8753_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
@@ -1616,73 +1514,113 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8753 = {
.suspend = wm8753_suspend,
.resume = wm8753_resume,
.set_bias_level = wm8753_set_bias_level,
- .reg_cache_size = ARRAY_SIZE(wm8753_reg),
- .reg_word_size = sizeof(u16),
- .reg_cache_default = wm8753_reg,
+
+ .controls = wm8753_snd_controls,
+ .num_controls = ARRAY_SIZE(wm8753_snd_controls),
+ .dapm_widgets = wm8753_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(wm8753_dapm_widgets),
+ .dapm_routes = wm8753_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(wm8753_dapm_routes),
+};
+
+static const struct of_device_id wm8753_of_match[] = {
+ { .compatible = "wlf,wm8753", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, wm8753_of_match);
+
+static const struct regmap_config wm8753_regmap = {
+ .reg_bits = 7,
+ .val_bits = 9,
+
+ .max_register = WM8753_ADCTL2,
+ .writeable_reg = wm8753_writeable,
+ .volatile_reg = wm8753_volatile,
+
+ .cache_type = REGCACHE_RBTREE,
+ .reg_defaults = wm8753_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(wm8753_reg_defaults),
};
#if defined(CONFIG_SPI_MASTER)
-static int __devinit wm8753_spi_probe(struct spi_device *spi)
+static int wm8753_spi_probe(struct spi_device *spi)
{
struct wm8753_priv *wm8753;
int ret;
- wm8753 = kzalloc(sizeof(struct wm8753_priv), GFP_KERNEL);
+ wm8753 = devm_kzalloc(&spi->dev, sizeof(struct wm8753_priv),
+ GFP_KERNEL);
if (wm8753 == NULL)
return -ENOMEM;
- wm8753->control_type = SND_SOC_SPI;
spi_set_drvdata(spi, wm8753);
- ret = snd_soc_register_codec(&spi->dev,
- &soc_codec_dev_wm8753, wm8753_dai, ARRAY_SIZE(wm8753_dai));
- if (ret < 0)
- kfree(wm8753);
+ wm8753->regmap = devm_regmap_init_spi(spi, &wm8753_regmap);
+ if (IS_ERR(wm8753->regmap)) {
+ ret = PTR_ERR(wm8753->regmap);
+ dev_err(&spi->dev, "Failed to allocate register map: %d\n",
+ ret);
+ return ret;
+ }
+
+ ret = snd_soc_register_codec(&spi->dev, &soc_codec_dev_wm8753,
+ wm8753_dai, ARRAY_SIZE(wm8753_dai));
+ if (ret != 0)
+ dev_err(&spi->dev, "Failed to register CODEC: %d\n", ret);
+
return ret;
}
-static int __devexit wm8753_spi_remove(struct spi_device *spi)
+static int wm8753_spi_remove(struct spi_device *spi)
{
snd_soc_unregister_codec(&spi->dev);
- kfree(spi_get_drvdata(spi));
return 0;
}
static struct spi_driver wm8753_spi_driver = {
.driver = {
- .name = "wm8753-codec",
+ .name = "wm8753",
.owner = THIS_MODULE,
+ .of_match_table = wm8753_of_match,
},
.probe = wm8753_spi_probe,
- .remove = __devexit_p(wm8753_spi_remove),
+ .remove = wm8753_spi_remove,
};
#endif /* CONFIG_SPI_MASTER */
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-static __devinit int wm8753_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+#if IS_ENABLED(CONFIG_I2C)
+static int wm8753_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
struct wm8753_priv *wm8753;
int ret;
- wm8753 = kzalloc(sizeof(struct wm8753_priv), GFP_KERNEL);
+ wm8753 = devm_kzalloc(&i2c->dev, sizeof(struct wm8753_priv),
+ GFP_KERNEL);
if (wm8753 == NULL)
return -ENOMEM;
i2c_set_clientdata(i2c, wm8753);
- wm8753->control_type = SND_SOC_I2C;
- ret = snd_soc_register_codec(&i2c->dev,
- &soc_codec_dev_wm8753, wm8753_dai, ARRAY_SIZE(wm8753_dai));
- if (ret < 0)
- kfree(wm8753);
+ wm8753->regmap = devm_regmap_init_i2c(i2c, &wm8753_regmap);
+ if (IS_ERR(wm8753->regmap)) {
+ ret = PTR_ERR(wm8753->regmap);
+ dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
+ ret);
+ return ret;
+ }
+
+ ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm8753,
+ wm8753_dai, ARRAY_SIZE(wm8753_dai));
+ if (ret != 0)
+ dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
+
return ret;
}
-static __devexit int wm8753_i2c_remove(struct i2c_client *client)
+static int wm8753_i2c_remove(struct i2c_client *client)
{
snd_soc_unregister_codec(&client->dev);
- kfree(i2c_get_clientdata(client));
return 0;
}
@@ -1694,11 +1632,12 @@ MODULE_DEVICE_TABLE(i2c, wm8753_i2c_id);
static struct i2c_driver wm8753_i2c_driver = {
.driver = {
- .name = "wm8753-codec",
+ .name = "wm8753",
.owner = THIS_MODULE,
+ .of_match_table = wm8753_of_match,
},
.probe = wm8753_i2c_probe,
- .remove = __devexit_p(wm8753_i2c_remove),
+ .remove = wm8753_i2c_remove,
.id_table = wm8753_i2c_id,
};
#endif
@@ -1706,7 +1645,7 @@ static struct i2c_driver wm8753_i2c_driver = {
static int __init wm8753_modinit(void)
{
int ret = 0;
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+#if IS_ENABLED(CONFIG_I2C)
ret = i2c_add_driver(&wm8753_i2c_driver);
if (ret != 0) {
printk(KERN_ERR "Failed to register wm8753 I2C driver: %d\n",
@@ -1726,7 +1665,7 @@ module_init(wm8753_modinit);
static void __exit wm8753_exit(void)
{
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+#if IS_ENABLED(CONFIG_I2C)
i2c_del_driver(&wm8753_i2c_driver);
#endif
#if defined(CONFIG_SPI_MASTER)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-09 19:40:56 +0000