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Diffstat (limited to 'sound/soc/codecs/wm8753.c')
-rw-r--r--sound/soc/codecs/wm8753.c542
1 files changed, 261 insertions, 281 deletions
diff --git a/sound/soc/codecs/wm8753.c b/sound/soc/codecs/wm8753.c
index 77620ab98756..a6e8f3f7f052 100644
--- a/sound/soc/codecs/wm8753.c
+++ b/sound/soc/codecs/wm8753.c
@@ -51,8 +51,6 @@
#include "wm8753.h"
-#define WM8753_VERSION "0.16"
-
static int caps_charge = 2000;
module_param(caps_charge, int, 0);
MODULE_PARM_DESC(caps_charge, "WM8753 cap charge time (msecs)");
@@ -60,12 +58,6 @@ MODULE_PARM_DESC(caps_charge, "WM8753 cap charge time (msecs)");
static void wm8753_set_dai_mode(struct snd_soc_codec *codec,
unsigned int mode);
-/* codec private data */
-struct wm8753_priv {
- unsigned int sysclk;
- unsigned int pcmclk;
-};
-
/*
* wm8753 register cache
* We can't read the WM8753 register space when we
@@ -90,6 +82,14 @@ static const u16 wm8753_reg[] = {
0x0000, 0x0000
};
+/* codec private data */
+struct wm8753_priv {
+ unsigned int sysclk;
+ unsigned int pcmclk;
+ struct snd_soc_codec codec;
+ u16 reg_cache[ARRAY_SIZE(wm8753_reg)];
+};
+
/*
* read wm8753 register cache
*/
@@ -97,7 +97,7 @@ static inline unsigned int wm8753_read_reg_cache(struct snd_soc_codec *codec,
unsigned int reg)
{
u16 *cache = codec->reg_cache;
- if (reg < 1 || reg > (ARRAY_SIZE(wm8753_reg) + 1))
+ if (reg < 1 || reg >= (ARRAY_SIZE(wm8753_reg) + 1))
return -1;
return cache[reg - 1];
}
@@ -109,7 +109,7 @@ static inline void wm8753_write_reg_cache(struct snd_soc_codec *codec,
unsigned int reg, unsigned int value)
{
u16 *cache = codec->reg_cache;
- if (reg < 1 || reg > 0x3f)
+ if (reg < 1 || reg >= (ARRAY_SIZE(wm8753_reg) + 1))
return;
cache[reg - 1] = value;
}
@@ -339,21 +339,6 @@ SOC_ENUM("ADC Data Select", wm8753_enum[27]),
SOC_ENUM("ROUT2 Phase", wm8753_enum[28]),
};
-/* add non dapm controls */
-static int wm8753_add_controls(struct snd_soc_codec *codec)
-{
- int err, i;
-
- for (i = 0; i < ARRAY_SIZE(wm8753_snd_controls); i++) {
- err = snd_ctl_add(codec->card,
- snd_soc_cnew(&wm8753_snd_controls[i],
- codec, NULL));
- if (err < 0)
- return err;
- }
- return 0;
-}
-
/*
* _DAPM_ Controls
*/
@@ -927,7 +912,7 @@ static int wm8753_pcm_hw_params(struct snd_pcm_substream *substream,
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_device *socdev = rtd->socdev;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
struct wm8753_priv *wm8753 = codec->private_data;
u16 voice = wm8753_read_reg_cache(codec, WM8753_PCM) & 0x01f3;
u16 srate = wm8753_read_reg_cache(codec, WM8753_SRATE1) & 0x017f;
@@ -1161,7 +1146,7 @@ static int wm8753_i2s_hw_params(struct snd_pcm_substream *substream,
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_device *socdev = rtd->socdev;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
struct wm8753_priv *wm8753 = codec->private_data;
u16 srate = wm8753_read_reg_cache(codec, WM8753_SRATE1) & 0x01c0;
u16 hifi = wm8753_read_reg_cache(codec, WM8753_HIFI) & 0x01f3;
@@ -1316,6 +1301,51 @@ 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 = {
+ .hw_params = wm8753_i2s_hw_params,
+ .digital_mute = wm8753_mute,
+ .set_fmt = wm8753_mode1h_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 = {
+ .hw_params = wm8753_pcm_hw_params,
+ .digital_mute = wm8753_mute,
+ .set_fmt = wm8753_mode1v_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 = {
+ .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 = {
+ .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 = {
+ .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 const struct snd_soc_dai wm8753_all_dai[] = {
/* DAI HiFi mode 1 */
{ .name = "WM8753 HiFi",
@@ -1332,14 +1362,7 @@ static const struct snd_soc_dai wm8753_all_dai[] = {
.channels_max = 2,
.rates = WM8753_RATES,
.formats = WM8753_FORMATS},
- .ops = {
- .hw_params = wm8753_i2s_hw_params,
- .digital_mute = wm8753_mute,
- .set_fmt = wm8753_mode1h_set_dai_fmt,
- .set_clkdiv = wm8753_set_dai_clkdiv,
- .set_pll = wm8753_set_dai_pll,
- .set_sysclk = wm8753_set_dai_sysclk,
- },
+ .ops = &wm8753_dai_ops_hifi_mode1,
},
/* DAI Voice mode 1 */
{ .name = "WM8753 Voice",
@@ -1356,14 +1379,7 @@ static const struct snd_soc_dai wm8753_all_dai[] = {
.channels_max = 2,
.rates = WM8753_RATES,
.formats = WM8753_FORMATS,},
- .ops = {
- .hw_params = wm8753_pcm_hw_params,
- .digital_mute = wm8753_mute,
- .set_fmt = wm8753_mode1v_set_dai_fmt,
- .set_clkdiv = wm8753_set_dai_clkdiv,
- .set_pll = wm8753_set_dai_pll,
- .set_sysclk = wm8753_set_dai_sysclk,
- },
+ .ops = &wm8753_dai_ops_voice_mode1,
},
/* DAI HiFi mode 2 - dummy */
{ .name = "WM8753 HiFi",
@@ -1384,14 +1400,7 @@ static const struct snd_soc_dai wm8753_all_dai[] = {
.channels_max = 2,
.rates = WM8753_RATES,
.formats = WM8753_FORMATS,},
- .ops = {
- .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,
- },
+ .ops = &wm8753_dai_ops_voice_mode2,
},
/* DAI HiFi mode 3 */
{ .name = "WM8753 HiFi",
@@ -1408,14 +1417,7 @@ static const struct snd_soc_dai wm8753_all_dai[] = {
.channels_max = 2,
.rates = WM8753_RATES,
.formats = WM8753_FORMATS,},
- .ops = {
- .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,
- },
+ .ops = &wm8753_dai_ops_hifi_mode3,
},
/* DAI Voice mode 3 - dummy */
{ .name = "WM8753 Voice",
@@ -1436,14 +1438,7 @@ static const struct snd_soc_dai wm8753_all_dai[] = {
.channels_max = 2,
.rates = WM8753_RATES,
.formats = WM8753_FORMATS,},
- .ops = {
- .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,
- },
+ .ops = &wm8753_dai_ops_hifi_mode4,
},
/* DAI Voice mode 4 - dummy */
{ .name = "WM8753 Voice",
@@ -1466,30 +1461,35 @@ static void wm8753_set_dai_mode(struct snd_soc_codec *codec, unsigned int mode)
if (mode < 4) {
int playback_active, capture_active, codec_active, pop_wait;
void *private_data;
+ struct list_head list;
playback_active = wm8753_dai[0].playback.active;
capture_active = wm8753_dai[0].capture.active;
codec_active = wm8753_dai[0].active;
private_data = wm8753_dai[0].private_data;
pop_wait = wm8753_dai[0].pop_wait;
+ list = wm8753_dai[0].list;
wm8753_dai[0] = wm8753_all_dai[mode << 1];
wm8753_dai[0].playback.active = playback_active;
wm8753_dai[0].capture.active = capture_active;
wm8753_dai[0].active = codec_active;
wm8753_dai[0].private_data = private_data;
wm8753_dai[0].pop_wait = pop_wait;
+ wm8753_dai[0].list = list;
playback_active = wm8753_dai[1].playback.active;
capture_active = wm8753_dai[1].capture.active;
codec_active = wm8753_dai[1].active;
private_data = wm8753_dai[1].private_data;
pop_wait = wm8753_dai[1].pop_wait;
+ list = wm8753_dai[1].list;
wm8753_dai[1] = wm8753_all_dai[(mode << 1) + 1];
wm8753_dai[1].playback.active = playback_active;
wm8753_dai[1].capture.active = capture_active;
wm8753_dai[1].active = codec_active;
wm8753_dai[1].private_data = private_data;
wm8753_dai[1].pop_wait = pop_wait;
+ wm8753_dai[1].list = list;
}
wm8753_dai[0].codec = codec;
wm8753_dai[1].codec = codec;
@@ -1505,7 +1505,7 @@ static void wm8753_work(struct work_struct *work)
static int wm8753_suspend(struct platform_device *pdev, pm_message_t state)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
/* we only need to suspend if we are a valid card */
if (!codec->card)
@@ -1518,7 +1518,7 @@ static int wm8753_suspend(struct platform_device *pdev, pm_message_t state)
static int wm8753_resume(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
int i;
u8 data[2];
u16 *cache = codec->reg_cache;
@@ -1531,6 +1531,11 @@ static int wm8753_resume(struct platform_device *pdev)
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;
+
data[0] = ((i + 1) << 1) | ((cache[i] >> 8) & 0x0001);
data[1] = cache[i] & 0x00ff;
codec->hw_write(codec->control_data, data, 2);
@@ -1549,44 +1554,129 @@ static int wm8753_resume(struct platform_device *pdev)
return 0;
}
+static struct snd_soc_codec *wm8753_codec;
+
+static int wm8753_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec;
+ int ret = 0;
+
+ if (!wm8753_codec) {
+ dev_err(&pdev->dev, "WM8753 codec not yet registered\n");
+ return -EINVAL;
+ }
+
+ socdev->card->codec = wm8753_codec;
+ codec = wm8753_codec;
+
+ wm8753_set_dai_mode(codec, 0);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0) {
+ printk(KERN_ERR "wm8753: failed to create pcms\n");
+ goto pcm_err;
+ }
+
+ snd_soc_add_controls(codec, wm8753_snd_controls,
+ ARRAY_SIZE(wm8753_snd_controls));
+ wm8753_add_widgets(codec);
+ ret = snd_soc_init_card(socdev);
+ if (ret < 0) {
+ printk(KERN_ERR "wm8753: failed to register card\n");
+ goto card_err;
+ }
+
+ return 0;
+
+card_err:
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+
+pcm_err:
+ return ret;
+}
+
/*
- * initialise the WM8753 driver
- * register the mixer and dsp interfaces with the kernel
+ * This function forces any delayed work to be queued and run.
*/
-static int wm8753_init(struct snd_soc_device *socdev)
+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;
+}
+
+/* power down chip */
+static int wm8753_remove(struct platform_device *pdev)
{
- struct snd_soc_codec *codec = socdev->codec;
- int reg, ret = 0;
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm8753 = {
+ .probe = wm8753_probe,
+ .remove = wm8753_remove,
+ .suspend = wm8753_suspend,
+ .resume = wm8753_resume,
+};
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm8753);
+
+static int wm8753_register(struct wm8753_priv *wm8753)
+{
+ int ret, i;
+ struct snd_soc_codec *codec = &wm8753->codec;
+ u16 reg;
+
+ if (wm8753_codec) {
+ dev_err(codec->dev, "Multiple WM8753 devices not supported\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
codec->name = "WM8753";
codec->owner = THIS_MODULE;
codec->read = wm8753_read_reg_cache;
codec->write = wm8753_write;
+ codec->bias_level = SND_SOC_BIAS_STANDBY;
codec->set_bias_level = wm8753_set_bias_level;
codec->dai = wm8753_dai;
codec->num_dai = 2;
- codec->reg_cache_size = ARRAY_SIZE(wm8753_reg);
- codec->reg_cache = kmemdup(wm8753_reg, sizeof(wm8753_reg), GFP_KERNEL);
-
- if (codec->reg_cache == NULL)
- return -ENOMEM;
-
- wm8753_set_dai_mode(codec, 0);
+ codec->reg_cache_size = ARRAY_SIZE(wm8753->reg_cache);
+ codec->reg_cache = &wm8753->reg_cache;
+ codec->private_data = wm8753;
- wm8753_reset(codec);
+ memcpy(codec->reg_cache, wm8753_reg, sizeof(codec->reg_cache));
+ INIT_DELAYED_WORK(&codec->delayed_work, wm8753_work);
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ ret = wm8753_reset(codec);
if (ret < 0) {
- printk(KERN_ERR "wm8753: failed to create pcms\n");
- goto pcm_err;
+ dev_err(codec->dev, "Failed to issue reset\n");
+ goto err;
}
/* charge output caps */
wm8753_set_bias_level(codec, SND_SOC_BIAS_PREPARE);
- codec->bias_level = SND_SOC_BIAS_STANDBY;
schedule_delayed_work(&codec->delayed_work,
- msecs_to_jiffies(caps_charge));
+ msecs_to_jiffies(caps_charge));
/* set the update bits */
reg = wm8753_read_reg_cache(codec, WM8753_LDAC);
@@ -1610,59 +1700,70 @@ static int wm8753_init(struct snd_soc_device *socdev)
reg = wm8753_read_reg_cache(codec, WM8753_RINVOL);
wm8753_write(codec, WM8753_RINVOL, reg | 0x0100);
- wm8753_add_controls(codec);
- wm8753_add_widgets(codec);
- ret = snd_soc_init_card(socdev);
- if (ret < 0) {
- printk(KERN_ERR "wm8753: failed to register card\n");
- goto card_err;
+ wm8753_codec = codec;
+
+ for (i = 0; i < ARRAY_SIZE(wm8753_dai); i++)
+ wm8753_dai[i].dev = codec->dev;
+
+ ret = snd_soc_register_codec(codec);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to register codec: %d\n", ret);
+ goto err;
}
- return ret;
+ ret = snd_soc_register_dais(&wm8753_dai[0], ARRAY_SIZE(wm8753_dai));
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to register DAIs: %d\n", ret);
+ goto err_codec;
+ }
-card_err:
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
-pcm_err:
- kfree(codec->reg_cache);
+ return 0;
+
+err_codec:
+ run_delayed_work(&codec->delayed_work);
+ snd_soc_unregister_codec(codec);
+err:
+ kfree(wm8753);
return ret;
}
-/* If the i2c layer weren't so broken, we could pass this kind of data
- around */
-static struct snd_soc_device *wm8753_socdev;
+static void wm8753_unregister(struct wm8753_priv *wm8753)
+{
+ wm8753_set_bias_level(&wm8753->codec, SND_SOC_BIAS_OFF);
+ run_delayed_work(&wm8753->codec.delayed_work);
+ snd_soc_unregister_dais(&wm8753_dai[0], ARRAY_SIZE(wm8753_dai));
+ snd_soc_unregister_codec(&wm8753->codec);
+ kfree(wm8753);
+ wm8753_codec = NULL;
+}
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-/*
- * WM8753 2 wire address is determined by GPIO5
- * state during powerup.
- * low = 0x1a
- * high = 0x1b
- */
-
static int wm8753_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
- struct snd_soc_device *socdev = wm8753_socdev;
- struct snd_soc_codec *codec = socdev->codec;
- int ret;
+ struct snd_soc_codec *codec;
+ struct wm8753_priv *wm8753;
- i2c_set_clientdata(i2c, codec);
- codec->control_data = i2c;
+ wm8753 = kzalloc(sizeof(struct wm8753_priv), GFP_KERNEL);
+ if (wm8753 == NULL)
+ return -ENOMEM;
- ret = wm8753_init(socdev);
- if (ret < 0)
- pr_err("failed to initialise WM8753\n");
+ codec = &wm8753->codec;
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ codec->control_data = i2c;
+ i2c_set_clientdata(i2c, wm8753);
- return ret;
+ codec->dev = &i2c->dev;
+
+ return wm8753_register(wm8753);
}
static int wm8753_i2c_remove(struct i2c_client *client)
{
- struct snd_soc_codec *codec = i2c_get_clientdata(client);
- kfree(codec->reg_cache);
- return 0;
+ struct wm8753_priv *wm8753 = i2c_get_clientdata(client);
+ wm8753_unregister(wm8753);
+ return 0;
}
static const struct i2c_device_id wm8753_i2c_id[] = {
@@ -1673,86 +1774,16 @@ MODULE_DEVICE_TABLE(i2c, wm8753_i2c_id);
static struct i2c_driver wm8753_i2c_driver = {
.driver = {
- .name = "WM8753 I2C Codec",
+ .name = "wm8753",
.owner = THIS_MODULE,
},
.probe = wm8753_i2c_probe,
.remove = wm8753_i2c_remove,
.id_table = wm8753_i2c_id,
};
-
-static int wm8753_add_i2c_device(struct platform_device *pdev,
- const struct wm8753_setup_data *setup)
-{
- struct i2c_board_info info;
- struct i2c_adapter *adapter;
- struct i2c_client *client;
- int ret;
-
- ret = i2c_add_driver(&wm8753_i2c_driver);
- if (ret != 0) {
- dev_err(&pdev->dev, "can't add i2c driver\n");
- return ret;
- }
-
- memset(&info, 0, sizeof(struct i2c_board_info));
- info.addr = setup->i2c_address;
- strlcpy(info.type, "wm8753", I2C_NAME_SIZE);
-
- adapter = i2c_get_adapter(setup->i2c_bus);
- if (!adapter) {
- dev_err(&pdev->dev, "can't get i2c adapter %d\n",
- setup->i2c_bus);
- goto err_driver;
- }
-
- client = i2c_new_device(adapter, &info);
- i2c_put_adapter(adapter);
- if (!client) {
- dev_err(&pdev->dev, "can't add i2c device at 0x%x\n",
- (unsigned int)info.addr);
- goto err_driver;
- }
-
- return 0;
-
-err_driver:
- i2c_del_driver(&wm8753_i2c_driver);
- return -ENODEV;
-}
#endif
#if defined(CONFIG_SPI_MASTER)
-static int __devinit wm8753_spi_probe(struct spi_device *spi)
-{
- struct snd_soc_device *socdev = wm8753_socdev;
- struct snd_soc_codec *codec = socdev->codec;
- int ret;
-
- codec->control_data = spi;
-
- ret = wm8753_init(socdev);
- if (ret < 0)
- dev_err(&spi->dev, "failed to initialise WM8753\n");
-
- return ret;
-}
-
-static int __devexit wm8753_spi_remove(struct spi_device *spi)
-{
- return 0;
-}
-
-static struct spi_driver wm8753_spi_driver = {
- .driver = {
- .name = "wm8753",
- .bus = &spi_bus_type,
- .owner = THIS_MODULE,
- },
- .probe = wm8753_spi_probe,
- .remove = __devexit_p(wm8753_spi_remove),
-};
-
static int wm8753_spi_write(struct spi_device *spi, const char *data, int len)
{
struct spi_transfer t;
@@ -1776,120 +1807,69 @@ static int wm8753_spi_write(struct spi_device *spi, const char *data, int len)
return len;
}
-#endif
-
-static int wm8753_probe(struct platform_device *pdev)
+static int __devinit wm8753_spi_probe(struct spi_device *spi)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct wm8753_setup_data *setup;
struct snd_soc_codec *codec;
struct wm8753_priv *wm8753;
- int ret = 0;
-
- pr_info("WM8753 Audio Codec %s", WM8753_VERSION);
-
- setup = socdev->codec_data;
- codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
- if (codec == NULL)
- return -ENOMEM;
wm8753 = kzalloc(sizeof(struct wm8753_priv), GFP_KERNEL);
- if (wm8753 == NULL) {
- kfree(codec);
+ if (wm8753 == NULL)
return -ENOMEM;
- }
- codec->private_data = wm8753;
- socdev->codec = codec;
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
- wm8753_socdev = socdev;
- INIT_DELAYED_WORK(&codec->delayed_work, wm8753_work);
+ codec = &wm8753->codec;
+ codec->control_data = spi;
+ codec->hw_write = (hw_write_t)wm8753_spi_write;
+ codec->dev = &spi->dev;
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
- if (setup->i2c_address) {
- codec->hw_write = (hw_write_t)i2c_master_send;
- ret = wm8753_add_i2c_device(pdev, setup);
- }
-#endif
-#if defined(CONFIG_SPI_MASTER)
- if (setup->spi) {
- codec->hw_write = (hw_write_t)wm8753_spi_write;
- ret = spi_register_driver(&wm8753_spi_driver);
- if (ret != 0)
- printk(KERN_ERR "can't add spi driver");
- }
-#endif
+ spi->dev.driver_data = wm8753;
- if (ret != 0) {
- kfree(codec->private_data);
- kfree(codec);
- }
- return ret;
+ return wm8753_register(wm8753);
}
-/*
- * This function forces any delayed work to be queued and run.
- */
-static int run_delayed_work(struct delayed_work *dwork)
+static int __devexit wm8753_spi_remove(struct spi_device *spi)
{
- 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;
+ struct wm8753_priv *wm8753 = spi->dev.driver_data;
+ wm8753_unregister(wm8753);
+ return 0;
}
-/* power down chip */
-static int wm8753_remove(struct platform_device *pdev)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->codec;
+static struct spi_driver wm8753_spi_driver = {
+ .driver = {
+ .name = "wm8753",
+ .bus = &spi_bus_type,
+ .owner = THIS_MODULE,
+ },
+ .probe = wm8753_spi_probe,
+ .remove = __devexit_p(wm8753_spi_remove),
+};
+#endif
- if (codec->control_data)
- wm8753_set_bias_level(codec, SND_SOC_BIAS_OFF);
- run_delayed_work(&codec->delayed_work);
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
+static int __init wm8753_modinit(void)
+{
+ int ret;
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
- i2c_unregister_device(codec->control_data);
- i2c_del_driver(&wm8753_i2c_driver);
+ ret = i2c_add_driver(&wm8753_i2c_driver);
+ if (ret != 0)
+ pr_err("Failed to register WM8753 I2C driver: %d\n", ret);
#endif
#if defined(CONFIG_SPI_MASTER)
- spi_unregister_driver(&wm8753_spi_driver);
+ ret = spi_register_driver(&wm8753_spi_driver);
+ if (ret != 0)
+ pr_err("Failed to register WM8753 SPI driver: %d\n", ret);
#endif
- kfree(codec->private_data);
- kfree(codec);
-
return 0;
}
-
-struct snd_soc_codec_device soc_codec_dev_wm8753 = {
- .probe = wm8753_probe,
- .remove = wm8753_remove,
- .suspend = wm8753_suspend,
- .resume = wm8753_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8753);
-
-static int __init wm8753_modinit(void)
-{
- return snd_soc_register_dais(wm8753_dai, ARRAY_SIZE(wm8753_dai));
-}
module_init(wm8753_modinit);
static void __exit wm8753_exit(void)
{
- snd_soc_unregister_dais(wm8753_dai, ARRAY_SIZE(wm8753_dai));
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ i2c_del_driver(&wm8753_i2c_driver);
+#endif
+#if defined(CONFIG_SPI_MASTER)
+ spi_unregister_driver(&wm8753_spi_driver);
+#endif
}
module_exit(wm8753_exit);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 00:52:49 +0000