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Diffstat (limited to 'ANDROID_3.4.5/sound/soc/codecs/max9877.c')
-rw-r--r--ANDROID_3.4.5/sound/soc/codecs/max9877.c308
1 files changed, 0 insertions, 308 deletions
diff --git a/ANDROID_3.4.5/sound/soc/codecs/max9877.c b/ANDROID_3.4.5/sound/soc/codecs/max9877.c
deleted file mode 100644
index 3a2ba3d8..00000000
--- a/ANDROID_3.4.5/sound/soc/codecs/max9877.c
+++ /dev/null
@@ -1,308 +0,0 @@
-/*
- * max9877.c -- amp driver for max9877
- *
- * Copyright (C) 2009 Samsung Electronics Co.Ltd
- * Author: Joonyoung Shim <jy0922.shim@samsung.com>
- *
- * 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>
-#include <linux/init.h>
-#include <linux/i2c.h>
-#include <sound/soc.h>
-#include <sound/tlv.h>
-
-#include "max9877.h"
-
-static struct i2c_client *i2c;
-
-static u8 max9877_regs[5] = { 0x40, 0x00, 0x00, 0x00, 0x49 };
-
-static void max9877_write_regs(void)
-{
- unsigned int i;
- u8 data[6];
-
- data[0] = MAX9877_INPUT_MODE;
- for (i = 0; i < ARRAY_SIZE(max9877_regs); i++)
- data[i + 1] = max9877_regs[i];
-
- if (i2c_master_send(i2c, data, 6) != 6)
- dev_err(&i2c->dev, "i2c write failed\n");
-}
-
-static int max9877_get_reg(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int shift = mc->shift;
- unsigned int mask = mc->max;
- unsigned int invert = mc->invert;
-
- ucontrol->value.integer.value[0] = (max9877_regs[reg] >> shift) & mask;
-
- if (invert)
- ucontrol->value.integer.value[0] =
- mask - ucontrol->value.integer.value[0];
-
- return 0;
-}
-
-static int max9877_set_reg(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int shift = mc->shift;
- unsigned int mask = mc->max;
- unsigned int invert = mc->invert;
- unsigned int val = (ucontrol->value.integer.value[0] & mask);
-
- if (invert)
- val = mask - val;
-
- if (((max9877_regs[reg] >> shift) & mask) == val)
- return 0;
-
- max9877_regs[reg] &= ~(mask << shift);
- max9877_regs[reg] |= val << shift;
- max9877_write_regs();
-
- return 1;
-}
-
-static int max9877_get_2reg(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int reg2 = mc->rreg;
- unsigned int shift = mc->shift;
- unsigned int mask = mc->max;
-
- ucontrol->value.integer.value[0] = (max9877_regs[reg] >> shift) & mask;
- ucontrol->value.integer.value[1] = (max9877_regs[reg2] >> shift) & mask;
-
- return 0;
-}
-
-static int max9877_set_2reg(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int reg2 = mc->rreg;
- unsigned int shift = mc->shift;
- unsigned int mask = mc->max;
- unsigned int val = (ucontrol->value.integer.value[0] & mask);
- unsigned int val2 = (ucontrol->value.integer.value[1] & mask);
- unsigned int change = 0;
-
- if (((max9877_regs[reg] >> shift) & mask) != val)
- change = 1;
-
- if (((max9877_regs[reg2] >> shift) & mask) != val2)
- change = 1;
-
- if (change) {
- max9877_regs[reg] &= ~(mask << shift);
- max9877_regs[reg] |= val << shift;
- max9877_regs[reg2] &= ~(mask << shift);
- max9877_regs[reg2] |= val2 << shift;
- max9877_write_regs();
- }
-
- return change;
-}
-
-static int max9877_get_out_mode(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- u8 value = max9877_regs[MAX9877_OUTPUT_MODE] & MAX9877_OUTMODE_MASK;
-
- if (value)
- value -= 1;
-
- ucontrol->value.integer.value[0] = value;
- return 0;
-}
-
-static int max9877_set_out_mode(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- u8 value = ucontrol->value.integer.value[0];
-
- value += 1;
-
- if ((max9877_regs[MAX9877_OUTPUT_MODE] & MAX9877_OUTMODE_MASK) == value)
- return 0;
-
- max9877_regs[MAX9877_OUTPUT_MODE] &= ~MAX9877_OUTMODE_MASK;
- max9877_regs[MAX9877_OUTPUT_MODE] |= value;
- max9877_write_regs();
- return 1;
-}
-
-static int max9877_get_osc_mode(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- u8 value = (max9877_regs[MAX9877_OUTPUT_MODE] & MAX9877_OSC_MASK);
-
- value = value >> MAX9877_OSC_OFFSET;
-
- ucontrol->value.integer.value[0] = value;
- return 0;
-}
-
-static int max9877_set_osc_mode(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- u8 value = ucontrol->value.integer.value[0];
-
- value = value << MAX9877_OSC_OFFSET;
- if ((max9877_regs[MAX9877_OUTPUT_MODE] & MAX9877_OSC_MASK) == value)
- return 0;
-
- max9877_regs[MAX9877_OUTPUT_MODE] &= ~MAX9877_OSC_MASK;
- max9877_regs[MAX9877_OUTPUT_MODE] |= value;
- max9877_write_regs();
- return 1;
-}
-
-static const unsigned int max9877_pgain_tlv[] = {
- TLV_DB_RANGE_HEAD(2),
- 0, 1, TLV_DB_SCALE_ITEM(0, 900, 0),
- 2, 2, TLV_DB_SCALE_ITEM(2000, 0, 0),
-};
-
-static const unsigned int max9877_output_tlv[] = {
- TLV_DB_RANGE_HEAD(4),
- 0, 7, TLV_DB_SCALE_ITEM(-7900, 400, 1),
- 8, 15, TLV_DB_SCALE_ITEM(-4700, 300, 0),
- 16, 23, TLV_DB_SCALE_ITEM(-2300, 200, 0),
- 24, 31, TLV_DB_SCALE_ITEM(-700, 100, 0),
-};
-
-static const char *max9877_out_mode[] = {
- "INA -> SPK",
- "INA -> HP",
- "INA -> SPK and HP",
- "INB -> SPK",
- "INB -> HP",
- "INB -> SPK and HP",
- "INA + INB -> SPK",
- "INA + INB -> HP",
- "INA + INB -> SPK and HP",
-};
-
-static const char *max9877_osc_mode[] = {
- "1176KHz",
- "1100KHz",
- "700KHz",
-};
-
-static const struct soc_enum max9877_enum[] = {
- SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(max9877_out_mode), max9877_out_mode),
- SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(max9877_osc_mode), max9877_osc_mode),
-};
-
-static const struct snd_kcontrol_new max9877_controls[] = {
- SOC_SINGLE_EXT_TLV("MAX9877 PGAINA Playback Volume",
- MAX9877_INPUT_MODE, 0, 2, 0,
- max9877_get_reg, max9877_set_reg, max9877_pgain_tlv),
- SOC_SINGLE_EXT_TLV("MAX9877 PGAINB Playback Volume",
- MAX9877_INPUT_MODE, 2, 2, 0,
- max9877_get_reg, max9877_set_reg, max9877_pgain_tlv),
- SOC_SINGLE_EXT_TLV("MAX9877 Amp Speaker Playback Volume",
- MAX9877_SPK_VOLUME, 0, 31, 0,
- max9877_get_reg, max9877_set_reg, max9877_output_tlv),
- SOC_DOUBLE_R_EXT_TLV("MAX9877 Amp HP Playback Volume",
- MAX9877_HPL_VOLUME, MAX9877_HPR_VOLUME, 0, 31, 0,
- max9877_get_2reg, max9877_set_2reg, max9877_output_tlv),
- SOC_SINGLE_EXT("MAX9877 INB Stereo Switch",
- MAX9877_INPUT_MODE, 4, 1, 1,
- max9877_get_reg, max9877_set_reg),
- SOC_SINGLE_EXT("MAX9877 INA Stereo Switch",
- MAX9877_INPUT_MODE, 5, 1, 1,
- max9877_get_reg, max9877_set_reg),
- SOC_SINGLE_EXT("MAX9877 Zero-crossing detection Switch",
- MAX9877_INPUT_MODE, 6, 1, 0,
- max9877_get_reg, max9877_set_reg),
- SOC_SINGLE_EXT("MAX9877 Bypass Mode Switch",
- MAX9877_OUTPUT_MODE, 6, 1, 0,
- max9877_get_reg, max9877_set_reg),
- SOC_SINGLE_EXT("MAX9877 Shutdown Mode Switch",
- MAX9877_OUTPUT_MODE, 7, 1, 1,
- max9877_get_reg, max9877_set_reg),
- SOC_ENUM_EXT("MAX9877 Output Mode", max9877_enum[0],
- max9877_get_out_mode, max9877_set_out_mode),
- SOC_ENUM_EXT("MAX9877 Oscillator Mode", max9877_enum[1],
- max9877_get_osc_mode, max9877_set_osc_mode),
-};
-
-/* This function is called from ASoC machine driver */
-int max9877_add_controls(struct snd_soc_codec *codec)
-{
- return snd_soc_add_codec_controls(codec, max9877_controls,
- ARRAY_SIZE(max9877_controls));
-}
-EXPORT_SYMBOL_GPL(max9877_add_controls);
-
-static int __devinit max9877_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- i2c = client;
-
- max9877_write_regs();
-
- return 0;
-}
-
-static __devexit int max9877_i2c_remove(struct i2c_client *client)
-{
- i2c = NULL;
-
- return 0;
-}
-
-static const struct i2c_device_id max9877_i2c_id[] = {
- { "max9877", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, max9877_i2c_id);
-
-static struct i2c_driver max9877_i2c_driver = {
- .driver = {
- .name = "max9877",
- .owner = THIS_MODULE,
- },
- .probe = max9877_i2c_probe,
- .remove = __devexit_p(max9877_i2c_remove),
- .id_table = max9877_i2c_id,
-};
-
-static int __init max9877_init(void)
-{
- return i2c_add_driver(&max9877_i2c_driver);
-}
-module_init(max9877_init);
-
-static void __exit max9877_exit(void)
-{
- i2c_del_driver(&max9877_i2c_driver);
-}
-module_exit(max9877_exit);
-
-MODULE_DESCRIPTION("ASoC MAX9877 amp driver");
-MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
-MODULE_LICENSE("GPL");
generated by cgit (git 2.34.1) at 2025-06-03 00:49:59 +0000