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Diffstat (limited to 'sound/soc/s3c24xx/neo1973_wm8753.c')
-rw-r--r--sound/soc/s3c24xx/neo1973_wm8753.c597
1 files changed, 223 insertions, 374 deletions
diff --git a/sound/soc/s3c24xx/neo1973_wm8753.c b/sound/soc/s3c24xx/neo1973_wm8753.c
index 0cb4f86f6d1..47cc2448389 100644
--- a/sound/soc/s3c24xx/neo1973_wm8753.c
+++ b/sound/soc/s3c24xx/neo1973_wm8753.c
@@ -1,15 +1,16 @@
/*
- * neo1973_wm8753.c -- SoC audio for Neo1973
+ * neo1973_gta02_wm8753.c -- SoC audio for Openmoko Freerunner(GTA02)
*
+ * Copyright 2007 Openmoko Inc
+ * Author: Graeme Gregory <graeme@openmoko.org>
* Copyright 2007 Wolfson Microelectronics PLC.
- * Author: Graeme Gregory
- * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
+ * Author: Graeme Gregory <linux@wolfsonmicro.com>
+ * Copyright 2009 Wolfson Microelectronics
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
- *
*/
#include <linux/module.h>
@@ -17,7 +18,7 @@
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
-#include <linux/i2c.h>
+#include <linux/gpio.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
@@ -28,31 +29,20 @@
#include <asm/hardware/scoop.h>
#include <mach/regs-clock.h>
#include <mach/regs-gpio.h>
+#include <mach/regs-gpioj.h>
#include <mach/hardware.h>
#include <linux/io.h>
#include <mach/spi-gpio.h>
#include <plat/regs-iis.h>
+#include <mach/regs-clock.h>
+#include <mach/gta02.h>
#include "../codecs/wm8753.h"
-#include "lm4857.h"
+#include "../codecs/lm4857.h"
#include "s3c-dma.h"
#include "s3c24xx-i2s.h"
-/* define the scenarios */
-#define NEO_AUDIO_OFF 0
-#define NEO_GSM_CALL_AUDIO_HANDSET 1
-#define NEO_GSM_CALL_AUDIO_HEADSET 2
-#define NEO_GSM_CALL_AUDIO_BLUETOOTH 3
-#define NEO_STEREO_TO_SPEAKERS 4
-#define NEO_STEREO_TO_HEADPHONES 5
-#define NEO_CAPTURE_HANDSET 6
-#define NEO_CAPTURE_HEADSET 7
-#define NEO_CAPTURE_BLUETOOTH 8
-
-static struct snd_soc_card neo1973;
-static struct i2c_client *i2c;
-
static int neo1973_hifi_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
@@ -63,8 +53,6 @@ static int neo1973_hifi_hw_params(struct snd_pcm_substream *substream,
int ret = 0;
unsigned long iis_clkrate;
- pr_debug("Entered %s\n", __func__);
-
iis_clkrate = s3c24xx_i2s_get_clockrate();
switch (params_rate(params)) {
@@ -125,7 +113,8 @@ static int neo1973_hifi_hw_params(struct snd_pcm_substream *substream,
return ret;
/* set codec BCLK division for sample rate */
- ret = snd_soc_dai_set_clkdiv(codec_dai, WM8753_BCLKDIV, bclk);
+ ret = snd_soc_dai_set_clkdiv(codec_dai,
+ WM8753_BCLKDIV, bclk);
if (ret < 0)
return ret;
@@ -149,8 +138,6 @@ static int neo1973_hifi_hw_free(struct snd_pcm_substream *substream)
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
- pr_debug("Entered %s\n", __func__);
-
/* disable the PLL */
return snd_soc_dai_set_pll(codec_dai, WM8753_PLL1, 0, 0, 0);
}
@@ -163,7 +150,8 @@ static struct snd_soc_ops neo1973_hifi_ops = {
.hw_free = neo1973_hifi_hw_free,
};
-static int neo1973_voice_hw_params(struct snd_pcm_substream *substream,
+static int neo1973_voice_hw_params(
+ struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
@@ -172,8 +160,6 @@ static int neo1973_voice_hw_params(struct snd_pcm_substream *substream,
int ret = 0;
unsigned long iis_clkrate;
- pr_debug("Entered %s\n", __func__);
-
iis_clkrate = s3c24xx_i2s_get_clockrate();
if (params_rate(params) != 8000)
@@ -191,13 +177,14 @@ static int neo1973_voice_hw_params(struct snd_pcm_substream *substream,
return ret;
/* set the codec system clock for DAC and ADC */
- ret = snd_soc_dai_set_sysclk(codec_dai, WM8753_PCMCLK, 12288000,
- SND_SOC_CLOCK_IN);
+ ret = snd_soc_dai_set_sysclk(codec_dai, WM8753_PCMCLK,
+ 12288000, SND_SOC_CLOCK_IN);
if (ret < 0)
return ret;
/* set codec PCM division for sample rate */
- ret = snd_soc_dai_set_clkdiv(codec_dai, WM8753_PCMDIV, pcmdiv);
+ ret = snd_soc_dai_set_clkdiv(codec_dai, WM8753_PCMDIV,
+ pcmdiv);
if (ret < 0)
return ret;
@@ -215,8 +202,6 @@ static int neo1973_voice_hw_free(struct snd_pcm_substream *substream)
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
- pr_debug("Entered %s\n", __func__);
-
/* disable the PLL */
return snd_soc_dai_set_pll(codec_dai, WM8753_PLL2, 0, 0, 0);
}
@@ -226,202 +211,20 @@ static struct snd_soc_ops neo1973_voice_ops = {
.hw_free = neo1973_voice_hw_free,
};
-static int neo1973_scenario;
-
-static int neo1973_get_scenario(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- ucontrol->value.integer.value[0] = neo1973_scenario;
- return 0;
-}
-
-static int set_scenario_endpoints(struct snd_soc_codec *codec, int scenario)
-{
- pr_debug("Entered %s\n", __func__);
-
- switch (neo1973_scenario) {
- case NEO_AUDIO_OFF:
- snd_soc_dapm_disable_pin(codec, "Audio Out");
- snd_soc_dapm_disable_pin(codec, "GSM Line Out");
- snd_soc_dapm_disable_pin(codec, "GSM Line In");
- snd_soc_dapm_disable_pin(codec, "Headset Mic");
- snd_soc_dapm_disable_pin(codec, "Call Mic");
- break;
- case NEO_GSM_CALL_AUDIO_HANDSET:
- snd_soc_dapm_enable_pin(codec, "Audio Out");
- snd_soc_dapm_enable_pin(codec, "GSM Line Out");
- snd_soc_dapm_enable_pin(codec, "GSM Line In");
- snd_soc_dapm_disable_pin(codec, "Headset Mic");
- snd_soc_dapm_enable_pin(codec, "Call Mic");
- break;
- case NEO_GSM_CALL_AUDIO_HEADSET:
- snd_soc_dapm_enable_pin(codec, "Audio Out");
- snd_soc_dapm_enable_pin(codec, "GSM Line Out");
- snd_soc_dapm_enable_pin(codec, "GSM Line In");
- snd_soc_dapm_enable_pin(codec, "Headset Mic");
- snd_soc_dapm_disable_pin(codec, "Call Mic");
- break;
- case NEO_GSM_CALL_AUDIO_BLUETOOTH:
- snd_soc_dapm_disable_pin(codec, "Audio Out");
- snd_soc_dapm_enable_pin(codec, "GSM Line Out");
- snd_soc_dapm_enable_pin(codec, "GSM Line In");
- snd_soc_dapm_disable_pin(codec, "Headset Mic");
- snd_soc_dapm_disable_pin(codec, "Call Mic");
- break;
- case NEO_STEREO_TO_SPEAKERS:
- snd_soc_dapm_enable_pin(codec, "Audio Out");
- snd_soc_dapm_disable_pin(codec, "GSM Line Out");
- snd_soc_dapm_disable_pin(codec, "GSM Line In");
- snd_soc_dapm_disable_pin(codec, "Headset Mic");
- snd_soc_dapm_disable_pin(codec, "Call Mic");
- break;
- case NEO_STEREO_TO_HEADPHONES:
- snd_soc_dapm_enable_pin(codec, "Audio Out");
- snd_soc_dapm_disable_pin(codec, "GSM Line Out");
- snd_soc_dapm_disable_pin(codec, "GSM Line In");
- snd_soc_dapm_disable_pin(codec, "Headset Mic");
- snd_soc_dapm_disable_pin(codec, "Call Mic");
- break;
- case NEO_CAPTURE_HANDSET:
- snd_soc_dapm_disable_pin(codec, "Audio Out");
- snd_soc_dapm_disable_pin(codec, "GSM Line Out");
- snd_soc_dapm_disable_pin(codec, "GSM Line In");
- snd_soc_dapm_disable_pin(codec, "Headset Mic");
- snd_soc_dapm_enable_pin(codec, "Call Mic");
- break;
- case NEO_CAPTURE_HEADSET:
- snd_soc_dapm_disable_pin(codec, "Audio Out");
- snd_soc_dapm_disable_pin(codec, "GSM Line Out");
- snd_soc_dapm_disable_pin(codec, "GSM Line In");
- snd_soc_dapm_enable_pin(codec, "Headset Mic");
- snd_soc_dapm_disable_pin(codec, "Call Mic");
- break;
- case NEO_CAPTURE_BLUETOOTH:
- snd_soc_dapm_disable_pin(codec, "Audio Out");
- snd_soc_dapm_disable_pin(codec, "GSM Line Out");
- snd_soc_dapm_disable_pin(codec, "GSM Line In");
- snd_soc_dapm_disable_pin(codec, "Headset Mic");
- snd_soc_dapm_disable_pin(codec, "Call Mic");
- break;
- default:
- snd_soc_dapm_disable_pin(codec, "Audio Out");
- snd_soc_dapm_disable_pin(codec, "GSM Line Out");
- snd_soc_dapm_disable_pin(codec, "GSM Line In");
- snd_soc_dapm_disable_pin(codec, "Headset Mic");
- snd_soc_dapm_disable_pin(codec, "Call Mic");
- }
-
- snd_soc_dapm_sync(codec);
-
- return 0;
-}
-
-static int neo1973_set_scenario(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
-
- pr_debug("Entered %s\n", __func__);
-
- if (neo1973_scenario == ucontrol->value.integer.value[0])
- return 0;
-
- neo1973_scenario = ucontrol->value.integer.value[0];
- set_scenario_endpoints(codec, neo1973_scenario);
- return 1;
-}
-
-static u8 lm4857_regs[4] = {0x00, 0x40, 0x80, 0xC0};
-
-static void lm4857_write_regs(void)
-{
- pr_debug("Entered %s\n", __func__);
-
- if (i2c_master_send(i2c, lm4857_regs, 4) != 4)
- printk(KERN_ERR "lm4857: i2c write failed\n");
-}
-
-static int lm4857_get_reg(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- int reg = mc->reg;
- int shift = mc->shift;
- int mask = mc->max;
-
- pr_debug("Entered %s\n", __func__);
-
- ucontrol->value.integer.value[0] = (lm4857_regs[reg] >> shift) & mask;
- return 0;
-}
-
-static int lm4857_set_reg(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- int reg = mc->reg;
- int shift = mc->shift;
- int mask = mc->max;
-
- if (((lm4857_regs[reg] >> shift) & mask) ==
- ucontrol->value.integer.value[0])
- return 0;
-
- lm4857_regs[reg] &= ~(mask << shift);
- lm4857_regs[reg] |= ucontrol->value.integer.value[0] << shift;
- lm4857_write_regs();
- return 1;
-}
-
-static int lm4857_get_mode(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- u8 value = lm4857_regs[LM4857_CTRL] & 0x0F;
-
- pr_debug("Entered %s\n", __func__);
-
- if (value)
- value -= 5;
-
- ucontrol->value.integer.value[0] = value;
- return 0;
-}
-
-static int lm4857_set_mode(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- u8 value = ucontrol->value.integer.value[0];
-
- pr_debug("Entered %s\n", __func__);
-
- if (value)
- value += 5;
-
- if ((lm4857_regs[LM4857_CTRL] & 0x0F) == value)
- return 0;
-
- lm4857_regs[LM4857_CTRL] &= 0xF0;
- lm4857_regs[LM4857_CTRL] |= value;
- lm4857_write_regs();
- return 1;
-}
+/* Shared routes and controls */
static const struct snd_soc_dapm_widget wm8753_dapm_widgets[] = {
- SND_SOC_DAPM_LINE("Audio Out", NULL),
SND_SOC_DAPM_LINE("GSM Line Out", NULL),
SND_SOC_DAPM_LINE("GSM Line In", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
- SND_SOC_DAPM_MIC("Call Mic", NULL),
+ SND_SOC_DAPM_MIC("Handset Mic", NULL),
};
+static const struct snd_soc_dapm_route audio_map[] = {
-static const struct snd_soc_dapm_route dapm_routes[] = {
-
- /* Connections to the lm4857 amp */
- {"Audio Out", NULL, "LOUT1"},
- {"Audio Out", NULL, "ROUT1"},
+ /* Connections to the lm4853 amp */
+ {"Stereo Out", NULL, "LOUT1"},
+ {"Stereo Out", NULL, "ROUT1"},
/* Connections to the GSM Module */
{"GSM Line Out", NULL, "MONO1"},
@@ -436,78 +239,108 @@ static const struct snd_soc_dapm_route dapm_routes[] = {
/* Call Mic */
{"MIC2", NULL, "Mic Bias"},
{"MIC2N", NULL, "Mic Bias"},
- {"Mic Bias", NULL, "Call Mic"},
+ {"Mic Bias", NULL, "Handset Mic"},
/* Connect the ALC pins */
{"ACIN", NULL, "ACOP"},
};
-static const char *lm4857_mode[] = {
- "Off",
- "Call Speaker",
- "Stereo Speakers",
- "Stereo Speakers + Headphones",
- "Headphones"
+static const struct snd_kcontrol_new wm8753_neo1973_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Stereo Out"),
+ SOC_DAPM_PIN_SWITCH("GSM Line Out"),
+ SOC_DAPM_PIN_SWITCH("GSM Line In"),
+ SOC_DAPM_PIN_SWITCH("Headset Mic"),
+ SOC_DAPM_PIN_SWITCH("Handset Mic"),
};
-static const struct soc_enum lm4857_mode_enum[] = {
- SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(lm4857_mode), lm4857_mode),
-};
+/* GTA01 specific controlls */
-static const char *neo_scenarios[] = {
- "Off",
- "GSM Handset",
- "GSM Headset",
- "GSM Bluetooth",
- "Speakers",
- "Headphones",
- "Capture Handset",
- "Capture Headset",
- "Capture Bluetooth"
+#ifdef CONFIG_MACH_NEO1973_GTA01
+
+static const struct snd_soc_dapm_widget wm8753_dapm_widgets_gta01[] = {
+ SND_SOC_DAPM_SPK("Stereo Out", NULL),
};
-static const struct soc_enum neo_scenario_enum[] = {
- SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(neo_scenarios), neo_scenarios),
+#else
+static const struct snd_soc_dapm_widget wm8753_dapm_widgets_gta01[] = {};
+#endif
+
+/* GTA02 specific routes and controlls */
+
+#ifdef CONFIG_MACH_NEO1973_GTA02
+
+static int lm4853_set_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int val = ucontrol->value.integer.value[0];
+
+ gpio_set_value(GTA02_GPIO_HP_IN, !val);
+
+ return 0;
+}
+
+static int lm4853_get_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = !gpio_get_value(GTA02_GPIO_HP_IN);
+
+ return 0;
+}
+
+static int lm4853_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k,
+ int event)
+{
+ gpio_set_value(GTA02_GPIO_AMP_SHUT, !SND_SOC_DAPM_EVENT_ON(event));
+
+ return 0;
+}
+
+static const struct snd_soc_dapm_route audio_map_gta02[] = {
+ /* Call Speaker */
+ {"Handset Spk", NULL, "LOUT2"},
+ {"Handset Spk", NULL, "ROUT2"},
};
-static const DECLARE_TLV_DB_SCALE(stereo_tlv, -4050, 150, 0);
-static const DECLARE_TLV_DB_SCALE(mono_tlv, -3450, 150, 0);
+static const struct snd_kcontrol_new wm8753_neo1973_gta02_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Handset Spk"),
-static const struct snd_kcontrol_new wm8753_neo1973_controls[] = {
- SOC_SINGLE_EXT_TLV("Amp Left Playback Volume", LM4857_LVOL, 0, 31, 0,
- lm4857_get_reg, lm4857_set_reg, stereo_tlv),
- SOC_SINGLE_EXT_TLV("Amp Right Playback Volume", LM4857_RVOL, 0, 31, 0,
- lm4857_get_reg, lm4857_set_reg, stereo_tlv),
- SOC_SINGLE_EXT_TLV("Amp Mono Playback Volume", LM4857_MVOL, 0, 31, 0,
- lm4857_get_reg, lm4857_set_reg, mono_tlv),
- SOC_ENUM_EXT("Amp Mode", lm4857_mode_enum[0],
- lm4857_get_mode, lm4857_set_mode),
- SOC_ENUM_EXT("Neo Mode", neo_scenario_enum[0],
- neo1973_get_scenario, neo1973_set_scenario),
- SOC_SINGLE_EXT("Amp Spk 3D Playback Switch", LM4857_LVOL, 5, 1, 0,
- lm4857_get_reg, lm4857_set_reg),
- SOC_SINGLE_EXT("Amp HP 3d Playback Switch", LM4857_RVOL, 5, 1, 0,
- lm4857_get_reg, lm4857_set_reg),
- SOC_SINGLE_EXT("Amp Fast Wakeup Playback Switch", LM4857_CTRL, 5, 1, 0,
- lm4857_get_reg, lm4857_set_reg),
- SOC_SINGLE_EXT("Amp Earpiece 6dB Playback Switch", LM4857_CTRL, 4, 1, 0,
- lm4857_get_reg, lm4857_set_reg),
+ SOC_SINGLE_BOOL_EXT("Amp Spk Switch", 0,
+ lm4853_get_spk,
+ lm4853_set_spk),
};
-/*
- * This is an example machine initialisation for a wm8753 connected to a
- * neo1973 II. It is missing logic to detect hp/mic insertions and logic
- * to re-route the audio in such an event.
- */
+static const struct snd_soc_dapm_widget wm8753_dapm_widgets_gta02[] = {
+ SND_SOC_DAPM_SPK("Stereo Out", lm4853_event),
+ SND_SOC_DAPM_SPK("Handset Spk", NULL),
+};
+
+#else
+static const struct snd_soc_dapm_route audio_map_gta02[]= {};
+static const struct snd_kcontrol_new wm8753_neo1973_gta02_controls[] = {};
+static const struct snd_soc_dapm_widget wm8753_dapm_widgets_gta02[] = {};
+#endif
+
static int neo1973_wm8753_init(struct snd_soc_codec *codec)
{
int err;
+ const struct snd_soc_dapm_widget *machine_widgets;
+ size_t num_machine_widgets;
- pr_debug("Entered %s\n", __func__);
+ if (machine_is_neo1973_gta01()) {
+ machine_widgets = wm8753_dapm_widgets_gta01;
+ num_machine_widgets = ARRAY_SIZE(wm8753_dapm_widgets_gta01);
+ } else {
+ machine_widgets = wm8753_dapm_widgets_gta02;
+ num_machine_widgets = ARRAY_SIZE(wm8753_dapm_widgets_gta02);
+
+ }
/* set up NC codec pins */
- snd_soc_dapm_nc_pin(codec, "LOUT2");
- snd_soc_dapm_nc_pin(codec, "ROUT2");
+ if (!machine_is_neo1973_gta02()) {
+ snd_soc_dapm_nc_pin(codec, "LOUT2");
+ snd_soc_dapm_nc_pin(codec, "ROUT2");
+ }
snd_soc_dapm_nc_pin(codec, "OUT3");
snd_soc_dapm_nc_pin(codec, "OUT4");
snd_soc_dapm_nc_pin(codec, "LINE1");
@@ -517,20 +350,45 @@ static int neo1973_wm8753_init(struct snd_soc_codec *codec)
snd_soc_dapm_new_controls(codec, wm8753_dapm_widgets,
ARRAY_SIZE(wm8753_dapm_widgets));
- /* set endpoints to default mode */
- set_scenario_endpoints(codec, NEO_AUDIO_OFF);
+ snd_soc_dapm_new_controls(codec, machine_widgets, num_machine_widgets);
+
/* add neo1973 specific controls */
err = snd_soc_add_controls(codec, wm8753_neo1973_controls,
- ARRAY_SIZE(8753_neo1973_controls));
+ ARRAY_SIZE(wm8753_neo1973_controls));
+
+ if (err < 0)
+ return err;
+
+ if (machine_is_neo1973_gta01()) {
+ err = lm4857_add_controls(codec);
+ } else {
+ err = snd_soc_add_controls(codec, wm8753_neo1973_gta02_controls,
+ ARRAY_SIZE(wm8753_neo1973_gta02_controls));
+ }
+
if (err < 0)
return err;
- /* set up neo1973 specific audio routes */
- err = snd_soc_dapm_add_routes(codec, dapm_routes,
- ARRAY_SIZE(dapm_routes));
+ /* set up neo1973 gta02 specific audio path audio_map */
+ snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
+
+ if (machine_is_neo1973_gta02()) {
+ snd_soc_dapm_add_routes(codec, audio_map_gta02,
+ ARRAY_SIZE(audio_map_gta02));
+ }
+
+ /* set endpoints to default off mode */
+ snd_soc_dapm_disable_pin(codec, "Stereo Out");
+ snd_soc_dapm_disable_pin(codec, "GSM Line Out");
+ snd_soc_dapm_disable_pin(codec, "GSM Line In");
+ snd_soc_dapm_disable_pin(codec, "Headset Mic");
+ snd_soc_dapm_disable_pin(codec, "Handset Mic");
+ if (machine_is_neo1973_gta02())
+ snd_soc_dapm_disable_pin(codec, "Handset Spk");
snd_soc_dapm_sync(codec);
+
return 0;
}
@@ -554,126 +412,102 @@ static struct snd_soc_dai bt_dai = {
static struct snd_soc_dai_link neo1973_dai[] = {
{ /* Hifi Playback - for similatious use with voice below */
- .name = "WM8753",
- .stream_name = "WM8753 HiFi",
- .cpu_dai = &s3c24xx_i2s_dai,
- .codec_dai = &wm8753_dai[WM8753_DAI_HIFI],
- .init = neo1973_wm8753_init,
- .ops = &neo1973_hifi_ops,
+ .name = "WM8753",
+ .stream_name = "WM8753 HiFi",
+ .cpu_dai = &s3c24xx_i2s_dai,
+ .codec_dai = &wm8753_dai[WM8753_DAI_HIFI],
+ .init = neo1973_wm8753_init,
+ .ops = &neo1973_hifi_ops,
},
{ /* Voice via BT */
- .name = "Bluetooth",
- .stream_name = "Voice",
- .cpu_dai = &bt_dai,
- .codec_dai = &wm8753_dai[WM8753_DAI_VOICE],
- .ops = &neo1973_voice_ops,
+ .name = "Bluetooth",
+ .stream_name = "Voice",
+ .cpu_dai = &bt_dai,
+ .codec_dai = &wm8753_dai[WM8753_DAI_VOICE],
+ .ops = &neo1973_voice_ops,
},
};
static struct snd_soc_card neo1973 = {
- .name = "neo1973",
- .platform = &s3c24xx_soc_platform,
- .dai_link = neo1973_dai,
- .num_links = ARRAY_SIZE(neo1973_dai),
+ .name = "neo1973",
+ .platform = &s3c24xx_soc_platform,
+ .dai_link = neo1973_dai,
+ .num_links = ARRAY_SIZE(neo1973_dai),
};
static struct snd_soc_device neo1973_snd_devdata = {
- .card = &neo1973,
- .codec_dev = &soc_codec_dev_wm8753,
+ .card = &neo1973,
+ .codec_dev = &soc_codec_dev_wm8753,
};
-static int lm4857_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- pr_debug("Entered %s\n", __func__);
-
- i2c = client;
-
- lm4857_write_regs();
- return 0;
-}
+static struct platform_device *neo1973_snd_device;
-static int lm4857_i2c_remove(struct i2c_client *client)
+#ifdef CONFIG_MACH_NEO1973_GTA02
+static int __init neo1973_gta02_init(void)
{
- pr_debug("Entered %s\n", __func__);
-
- i2c = NULL;
-
- return 0;
-}
-
-static u8 lm4857_state;
+ int ret;
-static int lm4857_suspend(struct i2c_client *dev, pm_message_t state)
-{
- pr_debug("Entered %s\n", __func__);
+ /* Initialise GPIOs used by amp */
+ ret = gpio_request(GTA02_GPIO_HP_IN, "GTA02_HP_IN");
+ if (ret) {
+ pr_err("gta02_wm8753: Failed to register GPIO %d\n", GTA02_GPIO_HP_IN);
+ goto err;
+ }
- dev_dbg(&dev->dev, "lm4857_suspend\n");
- lm4857_state = lm4857_regs[LM4857_CTRL] & 0xf;
- if (lm4857_state) {
- lm4857_regs[LM4857_CTRL] &= 0xf0;
- lm4857_write_regs();
+ ret = gpio_direction_output(GTA02_GPIO_HP_IN, 1);
+ if (ret) {
+ pr_err("gta02_wm8753: Failed to configure GPIO %d\n", GTA02_GPIO_HP_IN);
+ goto err_free_gpio_hp_in;
}
- return 0;
-}
-static int lm4857_resume(struct i2c_client *dev)
-{
- pr_debug("Entered %s\n", __func__);
+ ret = gpio_request(GTA02_GPIO_AMP_SHUT, "GTA02_AMP_SHUT");
+ if (ret) {
+ pr_err("gta02_wm8753: Failed to register GPIO %d\n", GTA02_GPIO_AMP_SHUT);
+ goto err_free_gpio_hp_in;
+ }
- if (lm4857_state) {
- lm4857_regs[LM4857_CTRL] |= (lm4857_state & 0x0f);
- lm4857_write_regs();
+ ret = gpio_direction_output(GTA02_GPIO_AMP_SHUT, 1);
+ if (ret) {
+ pr_err("gta02_wm8753: Failed to configure GPIO %d\n", GTA02_GPIO_AMP_SHUT);
+ goto err_free_gpio_amp_shut;
}
- return 0;
-}
-static void lm4857_shutdown(struct i2c_client *dev)
-{
- pr_debug("Entered %s\n", __func__);
+ return 0;
- dev_dbg(&dev->dev, "lm4857_shutdown\n");
- lm4857_regs[LM4857_CTRL] &= 0xf0;
- lm4857_write_regs();
+err_free_gpio_amp_shut:
+ gpio_free(GTA02_GPIO_AMP_SHUT);
+err_free_gpio_hp_in:
+ gpio_free(GTA02_GPIO_HP_IN);
+err:
+ return ret;
}
-
-static const struct i2c_device_id lm4857_i2c_id[] = {
- { "neo1973_lm4857", 0 },
- { }
-};
-
-static struct i2c_driver lm4857_i2c_driver = {
- .driver = {
- .name = "LM4857 I2C Amp",
- .owner = THIS_MODULE,
- },
- .suspend = lm4857_suspend,
- .resume = lm4857_resume,
- .shutdown = lm4857_shutdown,
- .probe = lm4857_i2c_probe,
- .remove = lm4857_i2c_remove,
- .id_table = lm4857_i2c_id,
-};
-
-static struct platform_device *neo1973_snd_device;
+#else
+static inline int neo1973_gta02_init(void) { return 0; }
+#endif
static int __init neo1973_init(void)
{
int ret;
- pr_debug("Entered %s\n", __func__);
-
- if (!machine_is_neo1973_gta01()) {
- printk(KERN_INFO
- "Only GTA01 hardware supported by ASoC driver\n");
+ if (!machine_is_neo1973_gta01() && !machine_is_neo1973_gta02()) {
return -ENODEV;
}
+ if (machine_is_neo1973_gta02()) {
+ neo1973_snd_devdata.card->name = "neo1973gta02";
+ }
+
+ /* register bluetooth DAI here */
+ ret = snd_soc_register_dai(&bt_dai);
+ if (ret)
+ return ret;
+
neo1973_snd_device = platform_device_alloc("soc-audio", -1);
if (!neo1973_snd_device)
return -ENOMEM;
- platform_set_drvdata(neo1973_snd_device, &neo1973_snd_devdata);
+ platform_set_drvdata(neo1973_snd_device,
+ &neo1973_snd_devdata);
neo1973_snd_devdata.dev = &neo1973_snd_device->dev;
ret = platform_device_add(neo1973_snd_device);
@@ -682,26 +516,41 @@ static int __init neo1973_init(void)
return ret;
}
- ret = i2c_add_driver(&lm4857_i2c_driver);
+ if (machine_is_neo1973_gta02())
+ ret = neo1973_gta02_init();
+
+ if (ret)
+ goto err_unregister_device;
- if (ret != 0)
- platform_device_unregister(neo1973_snd_device);
+ return 0;
+err_unregister_device:
+ platform_device_unregister(neo1973_snd_device);
return ret;
}
+module_init(neo1973_init);
-static void __exit neo1973_exit(void)
+#ifdef CONFIG_MACH_NEO1973_GTA02
+static void __exit neo1973_gta02_exit(void)
{
- pr_debug("Entered %s\n", __func__);
+ gpio_free(GTA02_GPIO_HP_IN);
+ gpio_free(GTA02_GPIO_AMP_SHUT);
+}
+#else
+static inline void neo1973_gta02_exit(void) {}
+#endif
- i2c_del_driver(&lm4857_i2c_driver);
+static void __exit neo1973_exit(void)
+{
+ snd_soc_unregister_dai(&bt_dai);
platform_device_unregister(neo1973_snd_device);
-}
-module_init(neo1973_init);
+ if (machine_is_neo1973_gta02())
+ neo1973_gta02_exit();
+}
module_exit(neo1973_exit);
/* Module information */
-MODULE_AUTHOR("Graeme Gregory, graeme@openmoko.org, www.openmoko.org");
-MODULE_DESCRIPTION("ALSA SoC WM8753 Neo1973");
+MODULE_AUTHOR("Graeme Gregory, graeme@openmoko.org");
+MODULE_DESCRIPTION("ALSA SoC WM8753 Neo1973 devices");
MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-29 19:34:42 +0000