tobi/M7350
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
2d95e8761a
M7350/kernel/sound/soc/msm/mdm9615.c
T f9cc65cfda M7350v1_en_gpl
2024-09-09 08:52:07 +00:00

2442 lines
68 KiB
C
Raw Blame History

/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/mfd/pm8xxx/pm8018.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <linux/mfd/wcd9xxx/core.h>
#include <sound/core.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/pcm.h>
#include <sound/jack.h>
#include <asm/mach-types.h>
#include <mach/socinfo.h>
#include "msm-pcm-routing.h"
#include "../codecs/wcd9310.h"
#include <mach/gpiomux.h>
/* 9615 machine driver */
#define PM8018_GPIO_BASE NR_GPIO_IRQS
#define PM8018_GPIO_PM_TO_SYS(pm_gpio) (pm_gpio - 1 + PM8018_GPIO_BASE)
#define MDM9615_SPK_ON 1
#define MDM9615_SPK_OFF 0
#define MDM9615_SLIM_0_RX_MAX_CHANNELS 2
#define MDM9615_SLIM_0_TX_MAX_CHANNELS 4
#define SAMPLE_RATE_8KHZ 8000
#define SAMPLE_RATE_16KHZ 16000
#define TOP_AND_BOTTOM_SPK_AMP_POS 0x1
#define TOP_AND_BOTTOM_SPK_AMP_NEG 0x2
#define GPIO_AUX_PCM_DOUT 23
#define GPIO_AUX_PCM_DIN 22
#define GPIO_AUX_PCM_SYNC 21
#define GPIO_AUX_PCM_CLK 20
#define GPIO_SEC_AUX_PCM_DOUT 28
#define GPIO_SEC_AUX_PCM_DIN 27
#define GPIO_SEC_AUX_PCM_SYNC 26
#define GPIO_SEC_AUX_PCM_CLK 25
#define TABLA_EXT_CLK_RATE 12288000
#define TABLA_MBHC_DEF_BUTTONS 8
#define TABLA_MBHC_DEF_RLOADS 5
#define PM8018_IRQ_BASE (NR_MSM_IRQS + NR_GPIO_IRQS)
#define JACK_DETECT_GPIO 3
#define JACK_DETECT_INT PM8018_GPIO_IRQ(PM8018_IRQ_BASE, JACK_DETECT_GPIO)
/*
* Added for I2S
*/
#define GPIO_SPKR_I2S_MCLK 24
#define GPIO_PRIM_I2S_SCK 20
#define GPIO_PRIM_I2S_DOUT 23
#define GPIO_PRIM_I2S_WS 21
#define GPIO_PRIM_I2S_DIN 22
#define GPIO_SEC_I2S_SCK 25
#define GPIO_SEC_I2S_WS 26
#define GPIO_SEC_I2S_DOUT 28
#define GPIO_SEC_I2S_DIN 27
static struct gpiomux_setting cdc_i2s_mclk = {
.func = GPIOMUX_FUNC_1,
.drv = GPIOMUX_DRV_8MA,
.pull = GPIOMUX_PULL_NONE,
};
static struct gpiomux_setting cdc_i2s_sclk = {
.func = GPIOMUX_FUNC_1,
.drv = GPIOMUX_DRV_8MA,
.pull = GPIOMUX_PULL_NONE,
};
static struct gpiomux_setting audio_sec_i2s[] = {
/* Suspend state */
{
.func = GPIOMUX_FUNC_GPIO,
.drv = GPIOMUX_DRV_2MA,
.pull = GPIOMUX_PULL_DOWN,
},
/* Active state */
{
.func = GPIOMUX_FUNC_2,
.drv = GPIOMUX_DRV_8MA,
.pull = GPIOMUX_PULL_NONE,
}
};
static struct gpiomux_setting cdc_i2s_dout = {
.func = GPIOMUX_FUNC_1,
.drv = GPIOMUX_DRV_8MA,
.pull = GPIOMUX_PULL_NONE,
};
static struct gpiomux_setting cdc_i2s_ws = {
.func = GPIOMUX_FUNC_1,
.drv = GPIOMUX_DRV_8MA,
.pull = GPIOMUX_PULL_NONE,
};
static struct gpiomux_setting cdc_i2s_din = {
.func = GPIOMUX_FUNC_1,
.drv = GPIOMUX_DRV_8MA,
.pull = GPIOMUX_PULL_NONE,
};
static struct msm_gpiomux_config msm9615_audio_prim_i2s_codec_configs[] = {
{
.gpio = GPIO_SPKR_I2S_MCLK,
.settings = {
[GPIOMUX_SUSPENDED] = &cdc_i2s_mclk,
},
},
{
.gpio = GPIO_PRIM_I2S_SCK,
.settings = {
[GPIOMUX_SUSPENDED] = &cdc_i2s_sclk,
},
},
{
.gpio = GPIO_PRIM_I2S_DOUT,
.settings = {
[GPIOMUX_SUSPENDED] = &cdc_i2s_dout,
},
},
{
.gpio = GPIO_PRIM_I2S_WS,
.settings = {
[GPIOMUX_SUSPENDED] = &cdc_i2s_ws,
},
},
{
.gpio = GPIO_PRIM_I2S_DIN,
.settings = {
[GPIOMUX_SUSPENDED] = &cdc_i2s_din,
},
},
};
static struct msm_gpiomux_config msm9615_audio_sec_i2s_codec_configs[] = {
{
.gpio = GPIO_SPKR_I2S_MCLK,
.settings = {
[GPIOMUX_SUSPENDED] = &cdc_i2s_mclk,
},
},
{
.gpio = GPIO_SEC_I2S_SCK,
.settings = {
[GPIOMUX_SUSPENDED] = &audio_sec_i2s[0],
[GPIOMUX_ACTIVE] = &audio_sec_i2s[1],
},
},
{
.gpio = GPIO_SEC_I2S_DOUT,
.settings = {
[GPIOMUX_SUSPENDED] = &audio_sec_i2s[0],
[GPIOMUX_ACTIVE] = &audio_sec_i2s[1],
},
},
{
.gpio = GPIO_SEC_I2S_WS,
.settings = {
[GPIOMUX_SUSPENDED] = &audio_sec_i2s[0],
[GPIOMUX_ACTIVE] = &audio_sec_i2s[1],
},
},
{
.gpio = GPIO_SEC_I2S_DIN,
.settings = {
[GPIOMUX_SUSPENDED] = &audio_sec_i2s[0],
[GPIOMUX_ACTIVE] = &audio_sec_i2s[1],
},
},
};
/* Physical address for LPA CSR
* LPA SIF mux registers. These are
* ioremap( ) for Virtual address.
*/
#define LPASS_CSR_BASE 0x28000000
#define LPA_IF_BASE 0x28100000
#define SIF_MUX_REG_BASE (LPASS_CSR_BASE + 0x00000000)
#define LPA_IF_REG_BASE (LPA_IF_BASE + 0x00000000)
#define LPASS_SIF_MUX_ADDR (SIF_MUX_REG_BASE + 0x00004000)
#define LPAIF_SPARE_ADDR (LPA_IF_REG_BASE + 0x00000070)
#define SEC_PCM_PORT_SLC_ADDR 0x00802074
/* bits 2:0 should be updated with 100 to select SDC2 */
#define SEC_PCM_PORT_SLC_VALUE 0x4
/* SIF & SPARE MUX Values */
#define MSM_SIF_FUNC_PCM 0
#define MSM_SIF_FUNC_I2S_MIC 1
#define MSM_SIF_FUNC_I2S_SPKR 2
#define MSM_LPAIF_SPARE_DISABLE 0x0
#define MSM_LPAIF_SPARE_BOTH_ENABLE 0x3
/* I2S INTF CTL */
#define MSM_INTF_PRIM 0
#define MSM_INTF_SECN 1
#define MSM_INTF_BOTH 2
/* I2S Dir CTL */
#define MSM_DIR_RX 0
#define MSM_DIR_TX 1
#define MSM_DIR_BOTH 2
#define MSM_DIR_MAX 3
/* I2S HW Params */
#define NO_OF_BITS_PER_SAMPLE 16
#define I2S_MIC_SCLK_RATE 1536000
static int msm9615_i2s_rx_ch = 1;
static int msm9615_i2s_tx_ch = 1;
static int msm9615_i2s_spk_control;
/* SIF mux bit mask & shift */
#define LPASS_SIF_MUX_CTL_PRI_MUX_SEL_BMSK 0x30000
#define LPASS_SIF_MUX_CTL_PRI_MUX_SEL_SHFT 0x10
#define LPASS_SIF_MUX_CTL_SEC_MUX_SEL_BMSK 0x3
#define LPASS_SIF_MUX_CTL_SEC_MUX_SEL_SHFT 0x0
#define LPAIF_SPARE_MUX_CTL_SEC_MUX_SEL_BMSK 0x3
#define LPAIF_SPARE_MUX_CTL_SEC_MUX_SEL_SHFT 0x2
#define LPAIF_SPARE_MUX_CTL_PRI_MUX_SEL_BMSK 0x3
#define LPAIF_SPARE_MUX_CTL_PRI_MUX_SEL_SHFT 0x0
static atomic_t msm9615_auxpcm_ref;
static atomic_t msm9615_sec_auxpcm_ref;
struct msm_i2s_mux_ctl {
const u8 sifconfig;
const u8 spareconfig;
};
struct msm_clk {
struct clk *osr_clk;
struct clk *bit_clk;
int clk_enable;
};
struct msm_i2s_clk {
struct msm_clk rx_clk;
struct msm_clk tx_clk;
};
struct msm_i2s_ctl {
struct msm_i2s_clk prim_clk;
struct msm_i2s_clk sec_clk;
struct msm_i2s_mux_ctl mux_ctl[MSM_DIR_MAX];
u8 intf_status[MSM_INTF_BOTH][MSM_DIR_BOTH];
void *sif_virt_addr;
void *spare_virt_addr;
};
static struct msm_i2s_ctl msm9x15_i2s_ctl = {
{{NULL, NULL, 0}, {NULL, NULL, 0} }, /* prim_clk */
{{NULL, NULL, 0}, {NULL, NULL, 0} }, /* sec_clk */
/* mux_ctl */
{
/* Rx path only */
{ MSM_SIF_FUNC_I2S_SPKR, MSM_LPAIF_SPARE_DISABLE },
/* Tx path only */
{ MSM_SIF_FUNC_I2S_MIC, MSM_LPAIF_SPARE_DISABLE },
/* Rx + Tx path only */
{ MSM_SIF_FUNC_I2S_SPKR, MSM_LPAIF_SPARE_BOTH_ENABLE },
},
/* intf_status */
{
/* Prim I2S */
{0, 0},
/* Sec I2S */
{0, 0}
},
/* sif_virt_addr */
NULL,
/* spare_virt_addr */
NULL,
};
enum msm9x15_set_i2s_clk {
MSM_I2S_CLK_SET_FALSE,
MSM_I2S_CLK_SET_TRUE,
MSM_I2S_CLK_SET_RATE0,
};
/*
* Added for I2S
*/
static u32 top_and_bottom_spk_pamp_gpio = PM8018_GPIO_PM_TO_SYS(5);
void *sif_virt_addr;
void *secpcm_portslc_virt_addr;
static int mdm9615_spk_control;
static int mdm9615_ext_top_and_bottom_spk_pamp;
static int mdm9615_slim_0_rx_ch = 1;
static int mdm9615_slim_0_tx_ch = 1;
static int mdm9615_btsco_rate = SAMPLE_RATE_8KHZ;
static int mdm9615_btsco_ch = 1;
static int mdm9615_auxpcm_rate = SAMPLE_RATE_8KHZ;
static struct clk *codec_clk;
static int clk_users;
static struct snd_soc_jack hs_jack;
static struct snd_soc_jack button_jack;
static struct platform_device *mdm9615_snd_device_slim;
static struct platform_device *mdm9615_snd_device_i2s;
static u32 sif_reg_value = 0x0000;
static u32 spare_reg_value = 0x0000;
static bool hs_detect_use_gpio;
module_param(hs_detect_use_gpio, bool, 0444);
MODULE_PARM_DESC(hs_detect_use_gpio, "Use GPIO for headset detection");
static bool hs_detect_use_firmware;
module_param(hs_detect_use_firmware, bool, 0444);
MODULE_PARM_DESC(hs_detect_use_firmware, "Use firmware for headset detection");
static int mdm9615_enable_codec_ext_clk(struct snd_soc_codec *codec, int enable,
bool dapm);
static struct tabla_mbhc_config mbhc_cfg = {
.headset_jack = &hs_jack,
.button_jack = &button_jack,
.read_fw_bin = false,
.calibration = NULL,
.micbias = TABLA_MICBIAS2,
.mclk_cb_fn = mdm9615_enable_codec_ext_clk,
.mclk_rate = TABLA_EXT_CLK_RATE,
.gpio = 0,
.gpio_irq = 0,
.gpio_level_insert = 1,
};
static void mdm9615_enable_ext_spk_amp_gpio(u32 spk_amp_gpio)
{
int ret = 0;
struct pm_gpio param = {
.direction = PM_GPIO_DIR_OUT,
.output_buffer = PM_GPIO_OUT_BUF_CMOS,
.output_value = 1,
.pull = PM_GPIO_PULL_NO,
.vin_sel = PM_GPIO_VIN_S4,
.out_strength = PM_GPIO_STRENGTH_MED,
.function = PM_GPIO_FUNC_NORMAL,
};
if (spk_amp_gpio == top_and_bottom_spk_pamp_gpio) {
ret = gpio_request(top_and_bottom_spk_pamp_gpio,
"TOP_AND_BOTTOM_SPK_AMP");
if (ret) {
pr_err("%s: Error requesting TOP AND BOTTOM SPK AMP GPIO %u\n",
__func__, top_and_bottom_spk_pamp_gpio);
return;
}
ret = pm8xxx_gpio_config(top_and_bottom_spk_pamp_gpio, &param);
if (ret)
pr_err("%s: Failed to configure Top & Bottom Spk Ampl\n"
"gpio %u\n", __func__,
top_and_bottom_spk_pamp_gpio);
else {
pr_debug("%s: enable Top & Bottom spkr amp gpio\n",
__func__);
gpio_direction_output(top_and_bottom_spk_pamp_gpio, 1);
}
} else {
pr_err("%s: ERROR : Invalid External Speaker Ampl GPIO."
" gpio = %u\n", __func__, spk_amp_gpio);
return;
}
}
static void mdm9615_ext_spk_power_amp_on(u32 spk)
{
if (spk & (TOP_AND_BOTTOM_SPK_AMP_POS | TOP_AND_BOTTOM_SPK_AMP_NEG)) {
if ((mdm9615_ext_top_and_bottom_spk_pamp &
TOP_AND_BOTTOM_SPK_AMP_POS) &&
(mdm9615_ext_top_and_bottom_spk_pamp &
TOP_AND_BOTTOM_SPK_AMP_NEG)) {
pr_debug("%s() External Speaker Ampl already "
"turned on. spk = 0x%08x\n", __func__, spk);
return;
}
mdm9615_ext_top_and_bottom_spk_pamp |= spk;
if ((mdm9615_ext_top_and_bottom_spk_pamp &
TOP_AND_BOTTOM_SPK_AMP_POS) &&
(mdm9615_ext_top_and_bottom_spk_pamp &
TOP_AND_BOTTOM_SPK_AMP_NEG)) {
mdm9615_enable_ext_spk_amp_gpio(
top_and_bottom_spk_pamp_gpio);
pr_debug("%s: slepping 4 ms after turning on external\n"
"Speaker Ampl\n", __func__);
usleep_range(4000, 4000);
}
} else {
pr_err("%s: ERROR : Invalid External Speaker Ampl. spk = 0x%08x\n",
__func__, spk);
return;
}
}
static void mdm9615_ext_spk_power_amp_off(u32 spk)
{
if (spk & (TOP_AND_BOTTOM_SPK_AMP_POS | TOP_AND_BOTTOM_SPK_AMP_NEG)) {
if (!mdm9615_ext_top_and_bottom_spk_pamp)
return;
gpio_direction_output(top_and_bottom_spk_pamp_gpio, 0);
gpio_free(top_and_bottom_spk_pamp_gpio);
mdm9615_ext_top_and_bottom_spk_pamp = 0;
pr_debug("%s: sleeping 4 ms after turning off external Bottom"
" Speaker Ampl\n", __func__);
usleep_range(4000, 4000);
} else {
pr_err("%s: ERROR : Invalid Ext Spk Ampl. spk = 0x%08x\n",
__func__, spk);
return;
}
}
static void mdm9615_ext_control(struct snd_soc_codec *codec)
{
struct snd_soc_dapm_context *dapm = &codec->dapm;
pr_debug("%s: mdm9615_spk_control = %d", __func__, mdm9615_spk_control);
if (mdm9615_spk_control == MDM9615_SPK_ON) {
snd_soc_dapm_enable_pin(dapm, "Ext Spk Pos");
snd_soc_dapm_enable_pin(dapm, "Ext Spk Neg");
} else {
snd_soc_dapm_disable_pin(dapm, "Ext Spk Pos");
snd_soc_dapm_disable_pin(dapm, "Ext Spk Neg");
}
snd_soc_dapm_sync(dapm);
}
static int mdm9615_get_spk(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
pr_debug("%s: mdm9615_spk_control = %d", __func__, mdm9615_spk_control);
ucontrol->value.integer.value[0] = mdm9615_spk_control;
return 0;
}
static int mdm9615_set_spk(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
pr_debug("%s()\n", __func__);
if (mdm9615_spk_control == ucontrol->value.integer.value[0])
return 0;
mdm9615_spk_control = ucontrol->value.integer.value[0];
mdm9615_ext_control(codec);
return 1;
}
static int mdm9615_spkramp_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
pr_debug("%s() %x\n", __func__, SND_SOC_DAPM_EVENT_ON(event));
if (SND_SOC_DAPM_EVENT_ON(event)) {
if (!strncmp(w->name, "Ext Spk Pos", 11))
mdm9615_ext_spk_power_amp_on(
TOP_AND_BOTTOM_SPK_AMP_POS);
else if (!strncmp(w->name, "Ext Spk Neg", 11))
mdm9615_ext_spk_power_amp_on(
TOP_AND_BOTTOM_SPK_AMP_NEG);
else {
pr_err("%s() Invalid Speaker Widget = %s\n",
__func__, w->name);
return -EINVAL;
}
} else {
if (!strncmp(w->name, "Ext Spk Pos", 11))
mdm9615_ext_spk_power_amp_off(
TOP_AND_BOTTOM_SPK_AMP_POS);
else if (!strncmp(w->name, "Ext Spk Neg", 11))
mdm9615_ext_spk_power_amp_off(
TOP_AND_BOTTOM_SPK_AMP_NEG);
else {
pr_err("%s() Invalid Speaker Widget = %s\n",
__func__, w->name);
return -EINVAL;
}
}
return 0;
}
static int mdm9615_enable_codec_ext_clk(struct snd_soc_codec *codec, int enable,
bool dapm)
{
pr_debug("%s: enable = %d\n", __func__, enable);
if (enable) {
clk_users++;
pr_debug("%s: clk_users = %d\n", __func__, clk_users);
if (clk_users != 1)
return 0;
if (IS_ERR(codec_clk)) {
pr_err("%s: Error setting Tabla MCLK\n", __func__);
clk_users--;
return -EINVAL;
}
clk_set_rate(codec_clk, TABLA_EXT_CLK_RATE);
clk_prepare_enable(codec_clk);
tabla_mclk_enable(codec, 1, dapm);
} else {
pr_debug("%s: clk_users = %d\n", __func__, clk_users);
if (clk_users == 0)
return 0;
clk_users--;
if (!clk_users) {
pr_debug("%s: disabling MCLK. clk_users = %d\n",
__func__, clk_users);
tabla_mclk_enable(codec, 0, dapm);
clk_disable_unprepare(codec_clk);
}
}
return 0;
}
static int mdm9615_mclk_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
pr_debug("%s: event = %d\n", __func__, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
return mdm9615_enable_codec_ext_clk(w->codec, 1, true);
case SND_SOC_DAPM_POST_PMD:
return mdm9615_enable_codec_ext_clk(w->codec, 0, true);
}
return 0;
}
static const struct snd_soc_dapm_widget mdm9615_dapm_widgets[] = {
SND_SOC_DAPM_SUPPLY("MCLK", SND_SOC_NOPM, 0, 0,
mdm9615_mclk_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SPK("Ext Spk Pos", mdm9615_spkramp_event),
SND_SOC_DAPM_SPK("Ext Spk Neg", mdm9615_spkramp_event),
SND_SOC_DAPM_MIC("Handset Mic", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
SND_SOC_DAPM_MIC("Digital Mic1", NULL),
SND_SOC_DAPM_MIC("ANCRight Headset Mic", NULL),
SND_SOC_DAPM_MIC("ANCLeft Headset Mic", NULL),
SND_SOC_DAPM_MIC("Digital Mic1", NULL),
SND_SOC_DAPM_MIC("Digital Mic2", NULL),
SND_SOC_DAPM_MIC("Digital Mic3", NULL),
SND_SOC_DAPM_MIC("Digital Mic4", NULL),
SND_SOC_DAPM_MIC("Digital Mic5", NULL),
SND_SOC_DAPM_MIC("Digital Mic6", NULL),
};
static const struct snd_soc_dapm_route common_audio_map[] = {
{"RX_BIAS", NULL, "MCLK"},
{"LDO_H", NULL, "MCLK"},
/* Speaker path */
{"Ext Spk Pos", NULL, "LINEOUT1"},
{"Ext Spk Neg", NULL, "LINEOUT3"},
{"Ext Spk Pos", NULL, "LINEOUT2"},
{"Ext Spk Neg", NULL, "LINEOUT4"},
/* Microphone path */
{"AMIC1", NULL, "MIC BIAS1 External"},
{"MIC BIAS1 External", NULL, "Handset Mic"},
{"AMIC2", NULL, "MIC BIAS2 External"},
{"MIC BIAS2 External", NULL, "Headset Mic"},
/**
* AMIC3 and AMIC4 inputs are connected to ANC microphones
* These mics are biased differently on CDP and FLUID
* routing entries below are based on bias arrangement
* on FLUID.
*/
{"AMIC3", NULL, "MIC BIAS3 Internal1"},
{"MIC BIAS3 Internal1", NULL, "ANCRight Headset Mic"},
{"AMIC4", NULL, "MIC BIAS1 Internal2"},
{"MIC BIAS1 Internal2", NULL, "ANCLeft Headset Mic"},
{"HEADPHONE", NULL, "LDO_H"},
/**
* The digital Mic routes are setup considering
* fluid as default device.
*/
/**
* Digital Mic1. Front Bottom left Digital Mic on Fluid and MTP.
* Digital Mic GM5 on CDP mainboard.
* Conncted to DMIC2 Input on Tabla codec.
*/
{"DMIC2", NULL, "MIC BIAS1 External"},
{"MIC BIAS1 External", NULL, "Digital Mic1"},
/**
* Digital Mic2. Front Bottom right Digital Mic on Fluid and MTP.
* Digital Mic GM6 on CDP mainboard.
* Conncted to DMIC1 Input on Tabla codec.
*/
{"DMIC1", NULL, "MIC BIAS1 External"},
{"MIC BIAS1 External", NULL, "Digital Mic2"},
/**
* Digital Mic3. Back Bottom Digital Mic on Fluid.
* Digital Mic GM1 on CDP mainboard.
* Conncted to DMIC4 Input on Tabla codec.
*/
{"DMIC4", NULL, "MIC BIAS3 External"},
{"MIC BIAS3 External", NULL, "Digital Mic3"},
/**
* Digital Mic4. Back top Digital Mic on Fluid.
* Digital Mic GM2 on CDP mainboard.
* Conncted to DMIC3 Input on Tabla codec.
*/
{"DMIC3", NULL, "MIC BIAS3 External"},
{"MIC BIAS3 External", NULL, "Digital Mic4"},
/**
* Digital Mic5. Front top Digital Mic on Fluid.
* Digital Mic GM3 on CDP mainboard.
* Conncted to DMIC5 Input on Tabla codec.
*/
{"DMIC5", NULL, "MIC BIAS4 External"},
{"MIC BIAS4 External", NULL, "Digital Mic5"},
/* Tabla digital Mic6 - back bottom digital Mic on Liquid and
* bottom mic on CDP. FLUID/MTP do not have dmic6 installed.
*/
{"DMIC6", NULL, "MIC BIAS4 External"},
{"MIC BIAS4 External", NULL, "Digital Mic6"},
};
static const char *spk_function[] = {"Off", "On"};
static const char *slim0_rx_ch_text[] = {"One", "Two"};
static const char *slim0_tx_ch_text[] = {"One", "Two", "Three", "Four"};
static const struct soc_enum mdm9615_enum[] = {
SOC_ENUM_SINGLE_EXT(2, spk_function),
SOC_ENUM_SINGLE_EXT(2, slim0_rx_ch_text),
SOC_ENUM_SINGLE_EXT(4, slim0_tx_ch_text),
};
static const char *btsco_rate_text[] = {"8000", "16000"};
static const struct soc_enum mdm9615_btsco_enum[] = {
SOC_ENUM_SINGLE_EXT(2, btsco_rate_text),
};
static const char * const auxpcm_rate_text[] = {"rate_8000", "rate_16000"};
static const struct soc_enum mdm9615_auxpcm_enum[] = {
SOC_ENUM_SINGLE_EXT(2, auxpcm_rate_text),
};
static int mdm9615_slim_0_rx_ch_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
pr_debug("%s: mdm9615_slim_0_rx_ch = %d\n", __func__,
mdm9615_slim_0_rx_ch);
ucontrol->value.integer.value[0] = mdm9615_slim_0_rx_ch - 1;
return 0;
}
static int mdm9615_slim_0_rx_ch_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
mdm9615_slim_0_rx_ch = ucontrol->value.integer.value[0] + 1;
pr_debug("%s: mdm9615_slim_0_rx_ch = %d\n", __func__,
mdm9615_slim_0_rx_ch);
return 1;
}
static int mdm9615_slim_0_tx_ch_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
pr_debug("%s: mdm9615_slim_0_tx_ch = %d\n", __func__,
mdm9615_slim_0_tx_ch);
ucontrol->value.integer.value[0] = mdm9615_slim_0_tx_ch - 1;
return 0;
}
static int mdm9615_slim_0_tx_ch_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
mdm9615_slim_0_tx_ch = ucontrol->value.integer.value[0] + 1;
pr_debug("%s: mdm9615_slim_0_tx_ch = %d\n", __func__,
mdm9615_slim_0_tx_ch);
return 1;
}
static int mdm9615_btsco_rate_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
pr_debug("%s: mdm9615_btsco_rate = %d", __func__, mdm9615_btsco_rate);
ucontrol->value.integer.value[0] = mdm9615_btsco_rate;
return 0;
}
static int mdm9615_btsco_rate_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
switch (ucontrol->value.integer.value[0]) {
case 8000:
mdm9615_btsco_rate = SAMPLE_RATE_8KHZ;
break;
case 16000:
mdm9615_btsco_rate = SAMPLE_RATE_16KHZ;
break;
default:
mdm9615_btsco_rate = SAMPLE_RATE_8KHZ;
break;
}
pr_debug("%s: mdm9615_btsco_rate = %d\n", __func__, mdm9615_btsco_rate);
return 0;
}
static int mdm9615_auxpcm_rate_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
pr_debug("%s: mdm9615_auxpcm_rate = %d", __func__,
mdm9615_auxpcm_rate);
ucontrol->value.integer.value[0] = mdm9615_auxpcm_rate;
return 0;
}
static int mdm9615_auxpcm_rate_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
switch (ucontrol->value.integer.value[0]) {
case 0:
mdm9615_auxpcm_rate = SAMPLE_RATE_8KHZ;
break;
case 1:
mdm9615_auxpcm_rate = SAMPLE_RATE_16KHZ;
break;
default:
mdm9615_auxpcm_rate = SAMPLE_RATE_8KHZ;
break;
}
pr_debug("%s: mdm9615_auxpcm_rate = %d\n"
"ucontrol->value.integer.value[0] = %d\n", __func__,
mdm9615_auxpcm_rate,
(int)ucontrol->value.integer.value[0]);
return 0;
}
static const struct snd_kcontrol_new tabla_mdm9615_controls[] = {
SOC_ENUM_EXT("Speaker Function", mdm9615_enum[0], mdm9615_get_spk,
mdm9615_set_spk),
SOC_ENUM_EXT("SLIM_0_RX Channels", mdm9615_enum[1],
mdm9615_slim_0_rx_ch_get, mdm9615_slim_0_rx_ch_put),
SOC_ENUM_EXT("SLIM_0_TX Channels", mdm9615_enum[2],
mdm9615_slim_0_tx_ch_get, mdm9615_slim_0_tx_ch_put),
SOC_ENUM_EXT("Internal BTSCO SampleRate", mdm9615_btsco_enum[0],
mdm9615_btsco_rate_get, mdm9615_btsco_rate_put),
SOC_ENUM_EXT("AUX PCM SampleRate", mdm9615_auxpcm_enum[0],
mdm9615_auxpcm_rate_get, mdm9615_auxpcm_rate_put),
};
static void *def_tabla_mbhc_cal(void)
{
void *tabla_cal;
struct tabla_mbhc_btn_detect_cfg *btn_cfg;
u16 *btn_low, *btn_high;
u8 *n_ready, *n_cic, *gain;
tabla_cal = kzalloc(TABLA_MBHC_CAL_SIZE(TABLA_MBHC_DEF_BUTTONS,
TABLA_MBHC_DEF_RLOADS),
GFP_KERNEL);
if (!tabla_cal) {
pr_err("%s: out of memory\n", __func__);
return NULL;
}
#define S(X, Y) ((TABLA_MBHC_CAL_GENERAL_PTR(tabla_cal)->X) = (Y))
S(t_ldoh, 100);
S(t_bg_fast_settle, 100);
S(t_shutdown_plug_rem, 255);
S(mbhc_nsa, 4);
S(mbhc_navg, 4);
#undef S
#define S(X, Y) ((TABLA_MBHC_CAL_PLUG_DET_PTR(tabla_cal)->X) = (Y))
S(mic_current, TABLA_PID_MIC_5_UA);
S(hph_current, TABLA_PID_MIC_5_UA);
S(t_mic_pid, 100);
S(t_ins_complete, 250);
S(t_ins_retry, 200);
#undef S
#define S(X, Y) ((TABLA_MBHC_CAL_PLUG_TYPE_PTR(tabla_cal)->X) = (Y))
S(v_no_mic, 30);
S(v_hs_max, 1550);
#undef S
#define S(X, Y) ((TABLA_MBHC_CAL_BTN_DET_PTR(tabla_cal)->X) = (Y))
S(c[0], 62);
S(c[1], 124);
S(nc, 1);
S(n_meas, 3);
S(mbhc_nsc, 11);
S(n_btn_meas, 1);
S(n_btn_con, 2);
S(num_btn, TABLA_MBHC_DEF_BUTTONS);
S(v_btn_press_delta_sta, 100);
S(v_btn_press_delta_cic, 50);
#undef S
btn_cfg = TABLA_MBHC_CAL_BTN_DET_PTR(tabla_cal);
btn_low = tabla_mbhc_cal_btn_det_mp(btn_cfg, TABLA_BTN_DET_V_BTN_LOW);
btn_high = tabla_mbhc_cal_btn_det_mp(btn_cfg, TABLA_BTN_DET_V_BTN_HIGH);
btn_low[0] = -50;
btn_high[0] = 10;
btn_low[1] = 11;
btn_high[1] = 38;
btn_low[2] = 39;
btn_high[2] = 64;
btn_low[3] = 65;
btn_high[3] = 91;
btn_low[4] = 92;
btn_high[4] = 115;
btn_low[5] = 116;
btn_high[5] = 141;
btn_low[6] = 142;
btn_high[6] = 163;
btn_low[7] = 164;
btn_high[7] = 250;
n_ready = tabla_mbhc_cal_btn_det_mp(btn_cfg, TABLA_BTN_DET_N_READY);
n_ready[0] = 48;
n_ready[1] = 38;
n_cic = tabla_mbhc_cal_btn_det_mp(btn_cfg, TABLA_BTN_DET_N_CIC);
n_cic[0] = 60;
n_cic[1] = 47;
gain = tabla_mbhc_cal_btn_det_mp(btn_cfg, TABLA_BTN_DET_GAIN);
gain[0] = 11;
gain[1] = 9;
return tabla_cal;
}
static int msm9615_i2s_set_spk(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
pr_debug("%s()\n", __func__);
if (msm9615_i2s_spk_control == ucontrol->value.integer.value[0])
return 0;
msm9615_i2s_spk_control = ucontrol->value.integer.value[0];
mdm9615_ext_control(codec);
return 1;
}
static int mdm9615_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
int ret = 0;
unsigned int rx_ch[SLIM_MAX_RX_PORTS], tx_ch[SLIM_MAX_TX_PORTS];
unsigned int rx_ch_cnt = 0, tx_ch_cnt = 0;
pr_debug("%s: ch=%d\n", __func__,
mdm9615_slim_0_rx_ch);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
ret = snd_soc_dai_get_channel_map(codec_dai,
&tx_ch_cnt, tx_ch, &rx_ch_cnt , rx_ch);
if (ret < 0) {
pr_err("%s: failed to get codec chan map\n", __func__);
goto end;
}
ret = snd_soc_dai_set_channel_map(cpu_dai, 0, 0,
mdm9615_slim_0_rx_ch, rx_ch);
if (ret < 0) {
pr_err("%s: failed to set cpu chan map\n", __func__);
goto end;
}
} else {
ret = snd_soc_dai_get_channel_map(codec_dai,
&tx_ch_cnt, tx_ch, &rx_ch_cnt , rx_ch);
if (ret < 0) {
pr_err("%s: failed to get codec chan map\n", __func__);
goto end;
}
ret = snd_soc_dai_set_channel_map(cpu_dai,
mdm9615_slim_0_tx_ch, tx_ch, 0 , 0);
if (ret < 0) {
pr_err("%s: failed to set cpu chan map\n", __func__);
goto end;
}
}
end:
return ret;
}
static int msm9615_i2s_rx_ch_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
pr_debug("%s: msm9615_i2s_rx_ch = %d\n", __func__,
msm9615_i2s_rx_ch);
ucontrol->value.integer.value[0] = msm9615_i2s_rx_ch - 1;
return 0;
}
static int msm9615_i2s_rx_ch_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
msm9615_i2s_rx_ch = ucontrol->value.integer.value[0] + 1;
pr_debug("%s: msm9615_i2s_rx_ch = %d\n", __func__,
msm9615_i2s_rx_ch);
return 1;
}
static int msm9615_i2s_tx_ch_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
pr_debug("%s: msm9615_i2s_tx_ch = %d\n", __func__,
msm9615_i2s_tx_ch);
ucontrol->value.integer.value[0] = msm9615_i2s_tx_ch - 1;
return 0;
}
static int msm9615_i2s_tx_ch_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
msm9615_i2s_tx_ch = ucontrol->value.integer.value[0] + 1;
pr_debug("%s: msm9615_i2s_tx_ch = %d\n", __func__,
msm9615_i2s_tx_ch);
return 1;
}
static int msm9615_i2s_get_spk(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
pr_debug("%s: msm9615_spk_control = %d", __func__, mdm9615_spk_control);
ucontrol->value.integer.value[0] = msm9615_i2s_spk_control;
return 0;
}
static const struct snd_kcontrol_new tabla_msm9615_i2s_controls[] = {
SOC_ENUM_EXT("Speaker Function", mdm9615_enum[0], msm9615_i2s_get_spk,
msm9615_i2s_set_spk),
SOC_ENUM_EXT("PRI_RX Channels", mdm9615_enum[1],
msm9615_i2s_rx_ch_get, msm9615_i2s_rx_ch_put),
SOC_ENUM_EXT("PRI_TX Channels", mdm9615_enum[2],
msm9615_i2s_tx_ch_get, msm9615_i2s_tx_ch_put),
SOC_ENUM_EXT("SEC_RX Channels", mdm9615_enum[3],
msm9615_i2s_rx_ch_get, msm9615_i2s_rx_ch_put),
SOC_ENUM_EXT("SEC_TX Channels", mdm9615_enum[4],
msm9615_i2s_tx_ch_get, msm9615_i2s_tx_ch_put),
};
static int msm9615_i2s_audrx_init(struct snd_soc_pcm_runtime *rtd)
{
int err;
struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_dapm_context *dapm = &codec->dapm;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
snd_soc_dapm_new_controls(dapm, mdm9615_dapm_widgets,
ARRAY_SIZE(mdm9615_dapm_widgets));
snd_soc_dapm_add_routes(dapm, common_audio_map,
ARRAY_SIZE(common_audio_map));
snd_soc_dapm_enable_pin(dapm, "Ext Spk Pos");
snd_soc_dapm_enable_pin(dapm, "Ext Spk Neg");
snd_soc_dapm_sync(dapm);
err = snd_soc_jack_new(codec, "Headset Jack",
(SND_JACK_HEADSET | SND_JACK_OC_HPHL|
SND_JACK_OC_HPHR), &hs_jack);
if (err) {
pr_err("failed to create new jack\n");
return err;
}
err = snd_soc_jack_new(codec, "Button Jack",
TABLA_JACK_BUTTON_MASK, &button_jack);
if (err) {
pr_err("failed to create new jack\n");
return err;
}
codec_clk = clk_get(cpu_dai->dev, "osr_clk");
err = tabla_hs_detect(codec, &mbhc_cfg);
msm_gpiomux_install(
msm9615_audio_prim_i2s_codec_configs,
ARRAY_SIZE(msm9615_audio_prim_i2s_codec_configs));
return err;
}
static int msm9615_i2s_rx_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
struct snd_interval *rate = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_RATE);
struct snd_interval *channels = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_CHANNELS);
rate->min = rate->max = 48000;
channels->min = channels->max = msm9615_i2s_rx_ch;
return 0;
}
static int msm9615_i2s_tx_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
struct snd_interval *rate = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_RATE);
struct snd_interval *channels = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_CHANNELS);
rate->min = rate->max = 48000;
channels->min = channels->max = msm9615_i2s_tx_ch;
return 0;
}
static int mdm9615_i2s_free_gpios(u8 i2s_intf, u8 i2s_dir)
{
struct msm_i2s_ctl *pintf = &msm9x15_i2s_ctl;
if (i2s_intf == MSM_INTF_PRIM) {
if (pintf->intf_status[i2s_intf][MSM_DIR_TX] == 0 &&
pintf->intf_status[i2s_intf][MSM_DIR_RX] == 0) {
gpio_free(GPIO_PRIM_I2S_DIN);
gpio_free(GPIO_PRIM_I2S_DOUT);
gpio_free(GPIO_PRIM_I2S_SCK);
gpio_free(GPIO_PRIM_I2S_WS);
}
} else if (i2s_intf == MSM_INTF_SECN) {
if (pintf->intf_status[i2s_intf][MSM_DIR_TX] == 0 &&
pintf->intf_status[i2s_intf][MSM_DIR_RX] == 0) {
gpio_free(GPIO_SEC_I2S_DOUT);
gpio_free(GPIO_SEC_I2S_WS);
gpio_free(GPIO_SEC_I2S_DIN);
gpio_free(GPIO_SEC_I2S_SCK);
}
}
return 0;
}
static int msm9615_i2s_intf_dir_sel(const char *cpu_dai_name,
u8 *i2s_intf, u8 *i2s_dir)
{
int ret = 0;
if (i2s_intf == NULL || i2s_dir == NULL || cpu_dai_name == NULL) {
ret = 1;
goto err;
}
if (!strncmp(cpu_dai_name, "msm-dai-q6.0", 12)) {
*i2s_intf = MSM_INTF_PRIM;
*i2s_dir = MSM_DIR_RX;
} else if (!strncmp(cpu_dai_name, "msm-dai-q6.1", 12)) {
*i2s_intf = MSM_INTF_PRIM;
*i2s_dir = MSM_DIR_TX;
} else if (!strncmp(cpu_dai_name, "msm-dai-q6.4", 12)) {
*i2s_intf = MSM_INTF_SECN;
*i2s_dir = MSM_DIR_RX;
} else if (!strncmp(cpu_dai_name, "msm-dai-q6.5", 12)) {
*i2s_intf = MSM_INTF_SECN;
*i2s_dir = MSM_DIR_TX;
} else {
pr_err("Error in I2S cpu dai name\n");
ret = 1;
}
err:
return ret;
}
static int msm9615_enable_i2s_gpio(u8 i2s_intf, u8 i2s_dir)
{
u8 ret = 0;
struct msm_i2s_ctl *pintf = &msm9x15_i2s_ctl;
if (i2s_intf == MSM_INTF_PRIM) {
if (pintf->intf_status[i2s_intf][MSM_DIR_TX] == 0 &&
pintf->intf_status[i2s_intf][MSM_DIR_RX] == 0) {
ret = gpio_request(GPIO_PRIM_I2S_DOUT,
"I2S_PRIM_DOUT");
if (ret) {
pr_err("%s: Failed to request gpio %d\n",
__func__, GPIO_PRIM_I2S_DOUT);
goto err;
}
ret = gpio_request(GPIO_PRIM_I2S_DIN, "I2S_PRIM_DIN");
if (ret) {
pr_err("%s: Failed to request gpio %d\n",
__func__, GPIO_PRIM_I2S_DIN);
goto err;
}
ret = gpio_request(GPIO_PRIM_I2S_SCK, "I2S_PRIM_SCK");
if (ret) {
pr_err("%s: Failed to request gpio %d\n",
__func__, GPIO_PRIM_I2S_SCK);
goto err;
}
ret = gpio_request(GPIO_PRIM_I2S_WS, "I2S_PRIM_WS");
if (ret) {
pr_err("%s: Failed to request gpio %d\n",
__func__, GPIO_PRIM_I2S_WS);
goto err;
}
}
} else if (i2s_intf == MSM_INTF_SECN) {
if (pintf->intf_status[i2s_intf][MSM_DIR_TX] == 0 &&
pintf->intf_status[i2s_intf][MSM_DIR_RX] == 0) {
ret = gpio_request(GPIO_SEC_I2S_DIN, "I2S_SEC_DIN");
if (ret) {
pr_err("%s: Failed to request gpio %d\n",
__func__, GPIO_SEC_I2S_DIN);
goto err;
}
ret = gpio_request(GPIO_SEC_I2S_DOUT, "I2S_SEC_DOUT");
if (ret) {
pr_err("%s: Failed to request gpio %d\n",
__func__, GPIO_SEC_I2S_DOUT);
goto err;
}
ret = gpio_request(GPIO_SEC_I2S_SCK, "I2S_SEC_SCK");
if (ret) {
pr_err("%s: Failed to request gpio %d\n",
__func__, GPIO_SEC_I2S_SCK);
goto err;
}
ret = gpio_request(GPIO_SEC_I2S_WS, "I2S_SEC_WS");
if (ret) {
pr_err("%s: Failed to request gpio %d\n",
__func__, GPIO_SEC_I2S_WS);
goto err;
}
}
}
err:
return ret;
}
static int msm9615_set_i2s_osr_bit_clk(struct snd_soc_dai *cpu_dai,
u8 i2s_intf, u8 i2s_dir,
enum msm9x15_set_i2s_clk enable)
{
struct msm_i2s_ctl *pintf = &msm9x15_i2s_ctl;
struct msm_i2s_clk *pclk = &pintf->prim_clk;
struct msm_clk *clk_ctl = &pclk->rx_clk;
u8 ret = 0;
pr_debug("Dev name %s Intf =%d, Dir = %d, Enable=%d\n",
cpu_dai->name, i2s_intf, i2s_dir, enable);
if (i2s_intf == MSM_INTF_PRIM)
pclk = &pintf->prim_clk;
else if (i2s_intf == MSM_INTF_SECN)
pclk = &pintf->sec_clk;
if (i2s_dir == MSM_DIR_TX)
clk_ctl = &pclk->tx_clk;
else if (i2s_dir == MSM_DIR_RX)
clk_ctl = &pclk->rx_clk;
if (enable == MSM_I2S_CLK_SET_TRUE ||
enable == MSM_I2S_CLK_SET_RATE0) {
if (clk_ctl->clk_enable != 0) {
pr_info("%s: I2S Clk is already enabled"
"clk users %d\n", __func__,
clk_ctl->clk_enable);
ret = 0;
goto err;
}
clk_ctl->osr_clk = clk_get(cpu_dai->dev, "osr_clk");
if (IS_ERR(clk_ctl->osr_clk)) {
pr_err("%s: Fail to get OSR CLK\n", __func__);
ret = -EINVAL;
goto err;
}
ret = clk_prepare(clk_ctl->osr_clk);
if (ret != 0) {
pr_err("Unable to prepare i2s_spkr_osr_clk\n");
goto err;
}
clk_set_rate(clk_ctl->osr_clk, TABLA_EXT_CLK_RATE);
ret = clk_enable(clk_ctl->osr_clk);
if (ret != 0) {
pr_err("Fail to enable i2s_spkr_osr_clk\n");
clk_unprepare(clk_ctl->osr_clk);
goto err;
}
clk_ctl->bit_clk = clk_get(cpu_dai->dev, "bit_clk");
if (IS_ERR(clk_ctl->bit_clk)) {
pr_err("Fail to get i2s_spkr_bit_clk\n");
clk_disable(clk_ctl->osr_clk);
clk_unprepare(clk_ctl->osr_clk);
clk_put(clk_ctl->osr_clk);
ret = -EINVAL;
goto err;
}
ret = clk_prepare(clk_ctl->bit_clk);
if (ret != 0) {
clk_disable(clk_ctl->osr_clk);
clk_unprepare(clk_ctl->osr_clk);
clk_put(clk_ctl->osr_clk);
pr_err("Fail to prepare i2s_spkr_osr_clk\n");
goto err;
}
if (enable == MSM_I2S_CLK_SET_RATE0)
clk_set_rate(clk_ctl->bit_clk, 0);
else
clk_set_rate(clk_ctl->bit_clk, 8);
ret = clk_enable(clk_ctl->bit_clk);
if (ret != 0) {
clk_disable(clk_ctl->osr_clk);
clk_unprepare(clk_ctl->osr_clk);
clk_put(clk_ctl->osr_clk);
clk_unprepare(clk_ctl->bit_clk);
pr_err("Unable to enable i2s_spkr_osr_clk\n");
goto err;
}
clk_ctl->clk_enable++;
} else if (enable == MSM_I2S_CLK_SET_FALSE &&
clk_ctl->clk_enable != 0) {
clk_disable(clk_ctl->osr_clk);
clk_disable(clk_ctl->bit_clk);
clk_unprepare(clk_ctl->osr_clk);
clk_unprepare(clk_ctl->bit_clk);
clk_put(clk_ctl->bit_clk);
clk_put(clk_ctl->osr_clk);
clk_ctl->bit_clk = NULL;
clk_ctl->osr_clk = NULL;
clk_ctl->clk_enable--;
ret = 0;
}
err:
return ret;
}
static void msm9615_config_i2s_sif_mux(u8 value, u8 i2s_intf)
{
struct msm_i2s_ctl *pintf = &msm9x15_i2s_ctl;
u32 sif_shadow = 0x0000;
pr_debug("%s() Value = 0x%x intf = 0x%x\n", __func__, value, i2s_intf);
if (i2s_intf == MSM_INTF_PRIM) {
sif_shadow = (sif_shadow & LPASS_SIF_MUX_CTL_PRI_MUX_SEL_BMSK) |
(value << LPASS_SIF_MUX_CTL_PRI_MUX_SEL_SHFT);
pr_debug("%s() Sif shadow = 0x%x\n", __func__, sif_shadow);
sif_reg_value =
((sif_reg_value & LPASS_SIF_MUX_CTL_SEC_MUX_SEL_BMSK) |
sif_shadow);
}
if (i2s_intf == MSM_INTF_SECN) {
sif_shadow = (sif_shadow & LPASS_SIF_MUX_CTL_SEC_MUX_SEL_BMSK) |
(value << LPASS_SIF_MUX_CTL_SEC_MUX_SEL_SHFT);
pr_debug("%s() Sif shadow = 0x%x\n", __func__, sif_shadow);
sif_reg_value =
((sif_reg_value & LPASS_SIF_MUX_CTL_PRI_MUX_SEL_BMSK) |
sif_shadow);
}
if (pintf->sif_virt_addr != NULL)
iowrite32(sif_reg_value, pintf->sif_virt_addr);
/* Dont read SIF register. Device crashes. */
pr_debug("%s() SIF Reg = 0x%x\n", __func__, sif_reg_value);
}
static void msm9615_config_i2s_spare_mux(u8 value, u8 i2s_intf)
{
struct msm_i2s_ctl *pintf = &msm9x15_i2s_ctl;
u32 spare_shadow = 0x0000;
pr_debug("%s() Value = 0x%x intf = 0x%x\n", __func__, value, i2s_intf);
if (i2s_intf == MSM_INTF_PRIM) {
/* Configure Primary SIF */
spare_shadow =
(spare_shadow & LPAIF_SPARE_MUX_CTL_PRI_MUX_SEL_BMSK) |
(value << LPAIF_SPARE_MUX_CTL_PRI_MUX_SEL_SHFT);
pr_debug("%s() Spare shadow = 0x%x\n", __func__, spare_shadow);
spare_reg_value =
((spare_shadow & LPAIF_SPARE_MUX_CTL_SEC_MUX_SEL_BMSK) |
spare_shadow);
}
if (i2s_intf == MSM_INTF_SECN) {
/*Secondary interface configuration*/
spare_shadow =
(spare_shadow & LPAIF_SPARE_MUX_CTL_SEC_MUX_SEL_BMSK) |
(value << LPAIF_SPARE_MUX_CTL_SEC_MUX_SEL_SHFT);
pr_debug("%s() Spare shadow = 0x%x\n", __func__, spare_shadow);
spare_reg_value =
((spare_shadow & LPAIF_SPARE_MUX_CTL_PRI_MUX_SEL_BMSK) |
spare_shadow);
}
if (pintf->spare_virt_addr != NULL)
iowrite32(spare_reg_value, pintf->spare_virt_addr);
/* Dont read SPARE register. Device crashes. */
pr_debug("%s( ): SPARE Reg =0x%x\n", __func__, spare_reg_value);
}
static int msm9615_i2s_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
int rate = params_rate(params);
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct msm_i2s_ctl *pintf = &msm9x15_i2s_ctl;
struct msm_i2s_clk *pclk = &pintf->prim_clk;
struct msm_clk *clk_ctl = &pclk->rx_clk;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
int bit_clk_set = 0;
u8 i2s_intf, i2s_dir;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
if (!msm9615_i2s_intf_dir_sel(cpu_dai->name,
&i2s_intf, &i2s_dir)) {
bit_clk_set = TABLA_EXT_CLK_RATE /
(rate * 2 * NO_OF_BITS_PER_SAMPLE);
if (bit_clk_set != 8) {
if (i2s_intf == MSM_INTF_PRIM)
pclk = &pintf->prim_clk;
else if (i2s_intf == MSM_INTF_SECN)
pclk = &pintf->sec_clk;
clk_ctl = &pclk->rx_clk;
pr_debug("%s( ): New rate = %d",
__func__, bit_clk_set);
clk_set_rate(clk_ctl->bit_clk, bit_clk_set);
}
}
} else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
bit_clk_set = I2S_MIC_SCLK_RATE / (rate * 2 *
NO_OF_BITS_PER_SAMPLE);
/* Not required to modify TX rate.
* Speaker clock are looped back
* to Mic.
*/
}
return 1;
}
static int msm9615_i2s_startup(struct snd_pcm_substream *substream)
{
u8 ret = 0;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct msm_i2s_ctl *pintf = &msm9x15_i2s_ctl;
u8 i2s_intf, i2s_dir;
if (!msm9615_i2s_intf_dir_sel(cpu_dai->name, &i2s_intf, &i2s_dir)) {
pr_debug("%s( ): cpu name = %s intf =%d dir = %d\n",
__func__, cpu_dai->name, i2s_intf, i2s_dir);
pr_debug("%s( ): Enable status Rx =%d Tx = %d\n", __func__,
pintf->intf_status[i2s_intf][MSM_DIR_RX],
pintf->intf_status[i2s_intf][MSM_DIR_TX]);
msm9615_enable_i2s_gpio(i2s_intf, i2s_dir);
if (i2s_dir == MSM_DIR_TX) {
if (pintf->intf_status[i2s_intf][MSM_DIR_RX] > 0) {
/* This means that Rx is enabled before */
ret = msm9615_set_i2s_osr_bit_clk(cpu_dai,
i2s_intf, i2s_dir,
MSM_I2S_CLK_SET_RATE0);
if (ret != 0) {
pr_err("%s: Fail enable I2S clock\n",
__func__);
return -EINVAL;
}
msm9615_config_i2s_sif_mux(
pintf->mux_ctl[MSM_DIR_BOTH].sifconfig,
i2s_intf);
msm9615_config_i2s_spare_mux(
pintf->mux_ctl[MSM_DIR_BOTH].spareconfig,
i2s_intf);
ret = snd_soc_dai_set_fmt(cpu_dai,
SND_SOC_DAIFMT_CBM_CFM);
if (ret < 0)
pr_err("set fmt cpu dai failed\n");
ret = snd_soc_dai_set_fmt(codec_dai,
SND_SOC_DAIFMT_CBS_CFS);
if (ret < 0)
pr_err("set fmt codec dai failed\n");
} else if (pintf->intf_status[i2s_intf][i2s_dir] == 0) {
/* This means that Rx is
* not enabled before.
* only Tx will be used.
*/
ret = msm9615_set_i2s_osr_bit_clk(cpu_dai,
i2s_intf, i2s_dir,
MSM_I2S_CLK_SET_TRUE);
if (ret != 0) {
pr_err("%s: Fail Tx I2S clock\n",
__func__);
return -EINVAL;
}
msm9615_config_i2s_sif_mux(
pintf->mux_ctl[MSM_DIR_TX].sifconfig,
i2s_intf);
msm9615_config_i2s_spare_mux(
pintf->mux_ctl[MSM_DIR_TX].spareconfig,
i2s_intf);
ret = snd_soc_dai_set_fmt(cpu_dai,
SND_SOC_DAIFMT_CBS_CFS);
if (ret < 0)
pr_err("set fmt cpu dai failed\n");
ret = snd_soc_dai_set_fmt(codec_dai,
SND_SOC_DAIFMT_CBS_CFS);
if (ret < 0)
pr_err("set fmt codec dai failed\n");
}
} else if (i2s_dir == MSM_DIR_RX) {
if (pintf->intf_status[i2s_intf][MSM_DIR_TX] > 0) {
pr_err("%s: Error shutdown Tx first\n",
__func__);
return -EINVAL;
} else if (pintf->intf_status[i2s_intf][i2s_dir]
== 0) {
ret = msm9615_set_i2s_osr_bit_clk(cpu_dai,
i2s_intf, i2s_dir,
MSM_I2S_CLK_SET_TRUE);
if (ret != 0) {
pr_err("%s: Fail Rx I2S clock\n",
__func__);
return -EINVAL;
}
msm9615_config_i2s_sif_mux(
pintf->mux_ctl[MSM_DIR_RX].sifconfig,
i2s_intf);
msm9615_config_i2s_spare_mux(
pintf->mux_ctl[MSM_DIR_RX].spareconfig,
i2s_intf);
ret = snd_soc_dai_set_fmt(cpu_dai,
SND_SOC_DAIFMT_CBS_CFS);
if (ret < 0)
pr_err("set fmt cpu dai failed\n");
ret = snd_soc_dai_set_fmt(codec_dai,
SND_SOC_DAIFMT_CBS_CFS);
if (ret < 0)
pr_err("set fmt codec dai failed\n");
}
}
pintf->intf_status[i2s_intf][i2s_dir]++;
} else {
pr_err("%s: Err in i2s_intf_dir_sel\n", __func__);
return -EINVAL;
}
pr_debug("Exit %s() Enable status Rx =%d Tx = %d\n", __func__,
pintf->intf_status[i2s_intf][MSM_DIR_RX],
pintf->intf_status[i2s_intf][MSM_DIR_TX]);
return ret;
}
static void msm9615_i2s_shutdown(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct msm_i2s_ctl *pintf = &msm9x15_i2s_ctl;
u8 i2s_intf = 0, i2s_dir = 0, ret = 0;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
pr_debug("%s( ): Enable status Rx =%d Tx = %d\n",
__func__, pintf->intf_status[i2s_intf][MSM_DIR_RX],
pintf->intf_status[i2s_intf][MSM_DIR_TX]);
if (!msm9615_i2s_intf_dir_sel(cpu_dai->name, &i2s_intf, &i2s_dir)) {
pr_debug("%s( ): intf =%d dir = %d\n", __func__,
i2s_intf, i2s_dir);
if (i2s_dir == MSM_DIR_RX)
if (pintf->intf_status[i2s_intf][MSM_DIR_TX] > 0)
pr_err("%s: Shutdown Tx First then by RX\n",
__func__);
ret = msm9615_set_i2s_osr_bit_clk(cpu_dai, i2s_intf, i2s_dir,
MSM_I2S_CLK_SET_FALSE);
if (ret != 0)
pr_err("%s: Cannot disable I2S clock\n",
__func__);
pintf->intf_status[i2s_intf][i2s_dir]--;
mdm9615_i2s_free_gpios(i2s_intf, i2s_dir);
}
pr_debug("%s( ): Enable status Rx =%d Tx = %d\n", __func__,
pintf->intf_status[i2s_intf][MSM_DIR_RX],
pintf->intf_status[i2s_intf][MSM_DIR_TX]);
}
void msm9615_config_port_select(void)
{
iowrite32(SEC_PCM_PORT_SLC_VALUE, secpcm_portslc_virt_addr);
pr_debug("%s() port select after updating = 0x%x\n",
__func__, ioread32(secpcm_portslc_virt_addr));
}
static void mdm9615_install_codec_i2s_gpio(struct snd_pcm_substream *substream)
{
u8 i2s_intf, i2s_dir;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
if (!msm9615_i2s_intf_dir_sel(cpu_dai->name, &i2s_intf, &i2s_dir)) {
pr_debug("%s( ): cpu name = %s intf =%d dir = %d\n",
__func__, cpu_dai->name, i2s_intf, i2s_dir);
if (i2s_intf == MSM_INTF_PRIM) {
msm_gpiomux_install(
msm9615_audio_prim_i2s_codec_configs,
ARRAY_SIZE(msm9615_audio_prim_i2s_codec_configs));
} else if (i2s_intf == MSM_INTF_SECN) {
msm_gpiomux_install(msm9615_audio_sec_i2s_codec_configs,
ARRAY_SIZE(msm9615_audio_sec_i2s_codec_configs));
msm9615_config_port_select();
}
}
}
static int msm9615_i2s_prepare(struct snd_pcm_substream *substream)
{
u8 ret = 0;
if (wcd9xxx_get_intf_type() < 0)
ret = -ENODEV;
else if (wcd9xxx_get_intf_type() == WCD9XXX_INTERFACE_TYPE_I2C)
mdm9615_install_codec_i2s_gpio(substream);
return ret;
}
static struct snd_soc_ops msm9615_i2s_be_ops = {
.startup = msm9615_i2s_startup,
.shutdown = msm9615_i2s_shutdown,
.hw_params = msm9615_i2s_hw_params,
.prepare = msm9615_i2s_prepare,
};
static int mdm9615_audrx_init(struct snd_soc_pcm_runtime *rtd)
{
int err;
struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_dapm_context *dapm = &codec->dapm;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct pm_gpio jack_gpio_cfg = {
.direction = PM_GPIO_DIR_IN,
.pull = PM_GPIO_PULL_NO,
.function = PM_GPIO_FUNC_NORMAL,
.vin_sel = 2,
.inv_int_pol = 0,
};
struct snd_soc_dai *codec_dai = rtd->codec_dai;
/* Tabla SLIMBUS configuration
* RX1, RX2, RX3, RX4, RX5, RX6, RX7
* TX1, TX2, TX3, TX4, TX5, TX6, TX7, TX8, TX9, TX10
*/
unsigned int rx_ch[TABLA_RX_MAX] = {138, 139, 140, 141, 142, 143, 144};
unsigned int tx_ch[TABLA_TX_MAX] = {128, 129, 130, 131, 132, 133, 134,
135, 136, 137};
pr_debug("%s(), dev_name%s\n", __func__, dev_name(cpu_dai->dev));
rtd->pmdown_time = 0;
snd_soc_dapm_new_controls(dapm, mdm9615_dapm_widgets,
ARRAY_SIZE(mdm9615_dapm_widgets));
snd_soc_dapm_add_routes(dapm, common_audio_map,
ARRAY_SIZE(common_audio_map));
snd_soc_dapm_enable_pin(dapm, "Ext Spk Pos");
snd_soc_dapm_enable_pin(dapm, "Ext Spk Neg");
snd_soc_dapm_sync(dapm);
err = snd_soc_jack_new(codec, "Headset Jack",
(SND_JACK_HEADSET | SND_JACK_OC_HPHL |
SND_JACK_OC_HPHR),
&hs_jack);
if (err) {
pr_err("failed to create new jack\n");
return err;
}
err = snd_soc_jack_new(codec, "Button Jack",
TABLA_JACK_BUTTON_MASK, &button_jack);
if (err) {
pr_err("failed to create new jack\n");
return err;
}
codec_clk = clk_get(cpu_dai->dev, "osr_clk");
if (hs_detect_use_gpio) {
pr_debug("%s: GPIO Headset detection enabled\n", __func__);
mbhc_cfg.gpio = PM8018_GPIO_PM_TO_SYS(JACK_DETECT_GPIO);
mbhc_cfg.gpio_irq = JACK_DETECT_INT;
}
if (mbhc_cfg.gpio) {
err = pm8xxx_gpio_config(mbhc_cfg.gpio, &jack_gpio_cfg);
if (err) {
pr_err("%s: pm8xxx_gpio_config JACK_DETECT failed %d\n",
__func__, err);
return err;
}
}
mbhc_cfg.read_fw_bin = hs_detect_use_firmware;
err = tabla_hs_detect(codec, &mbhc_cfg);
snd_soc_dai_set_channel_map(codec_dai, ARRAY_SIZE(tx_ch),
tx_ch, ARRAY_SIZE(rx_ch), rx_ch);
return err;
}
static int mdm9615_slim_0_rx_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
struct snd_interval *rate = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_RATE);
struct snd_interval *channels = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_CHANNELS);
pr_debug("%s()\n", __func__);
rate->min = rate->max = 48000;
channels->min = channels->max = mdm9615_slim_0_rx_ch;
return 0;
}
static int mdm9615_slim_0_tx_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
struct snd_interval *rate = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_RATE);
struct snd_interval *channels = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_CHANNELS);
pr_debug("%s()\n", __func__);
rate->min = rate->max = 48000;
channels->min = channels->max = mdm9615_slim_0_tx_ch;
return 0;
}
static int mdm9615_btsco_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
struct snd_interval *rate = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_RATE);
struct snd_interval *channels = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_CHANNELS);
rate->min = rate->max = mdm9615_btsco_rate;
channels->min = channels->max = mdm9615_btsco_ch;
return 0;
}
static int mdm9615_auxpcm_be_params_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
struct snd_interval *rate = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_RATE);
struct snd_interval *channels = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_CHANNELS);
rate->min = rate->max = mdm9615_auxpcm_rate;
/* PCM only supports mono output */
channels->min = channels->max = 1;
return 0;
}
static int mdm9615_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
struct snd_interval *rate = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_RATE);
pr_debug("%s()\n", __func__);
rate->min = rate->max = 48000;
return 0;
}
static int mdm9615_aux_pcm_get_gpios(void)
{
int ret = 0;
pr_debug("%s\n", __func__);
ret = gpio_request(GPIO_AUX_PCM_DOUT, "AUX PCM DOUT");
if (ret < 0) {
pr_err("%s: Failed to request gpio(%d): AUX PCM DOUT",
__func__, GPIO_AUX_PCM_DOUT);
goto fail_dout;
}
ret = gpio_request(GPIO_AUX_PCM_DIN, "AUX PCM DIN");
if (ret < 0) {
pr_err("%s: Failed to request gpio(%d): AUX PCM DIN",
__func__, GPIO_AUX_PCM_DIN);
goto fail_din;
}
ret = gpio_request(GPIO_AUX_PCM_SYNC, "AUX PCM SYNC");
if (ret < 0) {
pr_err("%s: Failed to request gpio(%d): AUX PCM SYNC",
__func__, GPIO_AUX_PCM_SYNC);
goto fail_sync;
}
ret = gpio_request(GPIO_AUX_PCM_CLK, "AUX PCM CLK");
if (ret < 0) {
pr_err("%s: Failed to request gpio(%d): AUX PCM CLK",
__func__, GPIO_AUX_PCM_CLK);
goto fail_clk;
}
return 0;
fail_clk:
gpio_free(GPIO_AUX_PCM_SYNC);
fail_sync:
gpio_free(GPIO_AUX_PCM_DIN);
fail_din:
gpio_free(GPIO_AUX_PCM_DOUT);
fail_dout:
return ret;
}
static int mdm9615_aux_pcm_free_gpios(void)
{
gpio_free(GPIO_AUX_PCM_DIN);
gpio_free(GPIO_AUX_PCM_DOUT);
gpio_free(GPIO_AUX_PCM_SYNC);
gpio_free(GPIO_AUX_PCM_CLK);
return 0;
}
static int mdm9615_sec_aux_pcm_get_gpios(void)
{
int ret = 0;
pr_debug("%s\n", __func__);
ret = gpio_request(GPIO_SEC_AUX_PCM_DOUT, "SEC_AUX PCM DOUT");
if (ret < 0) {
pr_err("%s: Failed to request gpio(%d): SEC_AUX PCM DOUT",
__func__, GPIO_SEC_AUX_PCM_DOUT);
goto fail_dout;
}
ret = gpio_request(GPIO_SEC_AUX_PCM_DIN, "SEC_AUX PCM DIN");
if (ret < 0) {
pr_err("%s: Failed to request gpio(%d): SEC_AUX PCM DIN",
__func__, GPIO_SEC_AUX_PCM_DIN);
goto fail_din;
}
ret = gpio_request(GPIO_SEC_AUX_PCM_SYNC, "SEC_AUX PCM SYNC");
if (ret < 0) {
pr_err("%s: Failed to request gpio(%d): SEC_AUX PCM SYNC",
__func__, GPIO_SEC_AUX_PCM_SYNC);
goto fail_sync;
}
ret = gpio_request(GPIO_SEC_AUX_PCM_CLK, "SEC_AUX PCM CLK");
if (ret < 0) {
pr_err("%s: Failed to request gpio(%d): SEC_AUX PCM CLK",
__func__, GPIO_SEC_AUX_PCM_CLK);
goto fail_clk;
}
return 0;
fail_clk:
gpio_free(GPIO_SEC_AUX_PCM_SYNC);
fail_sync:
gpio_free(GPIO_SEC_AUX_PCM_DIN);
fail_din:
gpio_free(GPIO_SEC_AUX_PCM_DOUT);
fail_dout:
return ret;
}
static int mdm9615_sec_aux_pcm_free_gpios(void)
{
gpio_free(GPIO_SEC_AUX_PCM_DIN);
gpio_free(GPIO_SEC_AUX_PCM_DOUT);
gpio_free(GPIO_SEC_AUX_PCM_SYNC);
gpio_free(GPIO_SEC_AUX_PCM_CLK);
return 0;
}
static int mdm9615_startup(struct snd_pcm_substream *substream)
{
pr_debug("%s(): substream = %s stream = %d\n", __func__,
substream->name, substream->stream);
return 0;
}
void msm9615_config_sif_mux(u8 value)
{
u32 sif_shadow = 0x00000;
sif_shadow = (sif_shadow & LPASS_SIF_MUX_CTL_SEC_MUX_SEL_BMSK) |
(value << LPASS_SIF_MUX_CTL_SEC_MUX_SEL_SHFT);
iowrite32(sif_shadow, sif_virt_addr);
/* Dont read SIF register. Device crashes. */
pr_debug("%s() SIF Reg = 0x%x\n", __func__, sif_shadow);
}
static int mdm9615_auxpcm_startup(struct snd_pcm_substream *substream)
{
int ret = 0;
pr_debug("%s(): substream = %s\n", __func__, substream->name);
if (atomic_inc_return(&msm9615_auxpcm_ref) == 1) {
ret = mdm9615_aux_pcm_get_gpios();
if (ret < 0) {
pr_err("%s: Aux PCM GPIO request failed\n", __func__);
return -EINVAL;
}
}
return 0;
}
static void mdm9615_auxpcm_shutdown(struct snd_pcm_substream *substream)
{
pr_debug("%s(): substream = %s\n", __func__, substream->name);
if (atomic_dec_return(&msm9615_auxpcm_ref) == 0)
mdm9615_aux_pcm_free_gpios();
}
static int mdm9615_sec_auxpcm_startup(struct snd_pcm_substream *substream)
{
int ret = 0;
pr_debug("%s(): substream = %s\n", __func__, substream->name);
if (atomic_inc_return(&msm9615_sec_auxpcm_ref) == 1) {
ret = mdm9615_sec_aux_pcm_get_gpios();
if (ret < 0) {
pr_err("%s: SEC Aux PCM GPIO request failed\n",
__func__);
return -EINVAL;
}
msm9615_config_sif_mux(MSM_SIF_FUNC_PCM);
msm9615_config_port_select();
}
return 0;
}
static void mdm9615_sec_auxpcm_shutdown(struct snd_pcm_substream *substream)
{
pr_debug("%s(): substream = %s\n", __func__, substream->name);
if (atomic_dec_return(&msm9615_sec_auxpcm_ref) == 0)
mdm9615_sec_aux_pcm_free_gpios();
}
static void mdm9615_shutdown(struct snd_pcm_substream *substream)
{
pr_debug("%s(): substream = %s stream = %d\n", __func__,
substream->name, substream->stream);
}
static struct snd_soc_ops mdm9615_be_ops = {
.startup = mdm9615_startup,
.hw_params = mdm9615_hw_params,
.shutdown = mdm9615_shutdown,
};
static struct snd_soc_ops mdm9615_auxpcm_be_ops = {
.startup = mdm9615_auxpcm_startup,
.shutdown = mdm9615_auxpcm_shutdown,
};
static struct snd_soc_ops mdm9615_sec_auxpcm_be_ops = {
.startup = mdm9615_sec_auxpcm_startup,
.shutdown = mdm9615_sec_auxpcm_shutdown,
};
/* Digital audio interface glue - connects codec <---> CPU */
static struct snd_soc_dai_link mdm9615_dai_common[] = {
/* FrontEnd DAI Links */
{
.name = "MDM9615 Media1",
.stream_name = "MultiMedia1",
.cpu_dai_name = "MultiMedia1",
.platform_name = "msm-pcm-dsp",
.dynamic = 1,
.codec_dai_name = "snd-soc-dummy-dai",
.codec_name = "snd-soc-dummy",
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.ignore_suspend = 1,
.be_id = MSM_FRONTEND_DAI_MULTIMEDIA1
},
{
.name = "MDM9615 Media2",
.stream_name = "MultiMedia2",
.cpu_dai_name = "MultiMedia2",
.platform_name = "msm-pcm-dsp",
.dynamic = 1,
.codec_dai_name = "snd-soc-dummy-dai",
.codec_name = "snd-soc-dummy",
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.ignore_suspend = 1,
.be_id = MSM_FRONTEND_DAI_MULTIMEDIA2,
},
{
.name = "Circuit-Switch Voice",
.stream_name = "CS-Voice",
.cpu_dai_name = "CS-VOICE",
.platform_name = "msm-pcm-voice",
.dynamic = 1,
.codec_dai_name = "snd-soc-dummy-dai",
.codec_name = "snd-soc-dummy",
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.ignore_suspend = 1,
.be_id = MSM_FRONTEND_DAI_CS_VOICE,
.no_host_mode = SND_SOC_DAI_LINK_NO_HOST,
.ignore_suspend = 1,
},
{
.name = "MSM VoIP",
.stream_name = "VoIP",
.cpu_dai_name = "VoIP",
.platform_name = "msm-voip-dsp",
.dynamic = 1,
.codec_dai_name = "snd-soc-dummy-dai",
.codec_name = "snd-soc-dummy",
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.ignore_suspend = 1,
.be_id = MSM_FRONTEND_DAI_VOIP,
},
/* Hostless PMC purpose */
{
.name = "SLIMBUS_0 Hostless",
.stream_name = "SLIMBUS_0 Hostless",
.cpu_dai_name = "SLIMBUS0_HOSTLESS",
.platform_name = "msm-pcm-hostless",
.dynamic = 1,
.codec_dai_name = "snd-soc-dummy-dai",
.codec_name = "snd-soc-dummy",
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.no_host_mode = SND_SOC_DAI_LINK_NO_HOST,
.ignore_suspend = 1,
/* .be_id = do not care */
},
{
.name = "MSM AFE-PCM RX",
.stream_name = "AFE-PROXY RX",
.cpu_dai_name = "msm-dai-q6.241",
.codec_name = "msm-stub-codec.1",
.codec_dai_name = "msm-stub-rx",
.platform_name = "msm-pcm-afe",
.ignore_suspend = 1,
},
{
.name = "MSM AFE-PCM TX",
.stream_name = "AFE-PROXY TX",
.cpu_dai_name = "msm-dai-q6.240",
.codec_name = "msm-stub-codec.1",
.codec_dai_name = "msm-stub-tx",
.platform_name = "msm-pcm-afe",
.ignore_suspend = 1,
},
{
.name = "AUXPCM Hostless",
.stream_name = "AUXPCM Hostless",
.cpu_dai_name = "AUXPCM_HOSTLESS",
.platform_name = "msm-pcm-hostless",
.dynamic = 1,
.codec_dai_name = "snd-soc-dummy-dai",
.codec_name = "snd-soc-dummy",
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.no_host_mode = SND_SOC_DAI_LINK_NO_HOST,
.ignore_suspend = 1,
},
{
.name = "VoLTE",
.stream_name = "VoLTE",
.cpu_dai_name = "VoLTE",
.platform_name = "msm-pcm-voice",
.dynamic = 1,
.codec_dai_name = "snd-soc-dummy-dai",
.codec_name = "snd-soc-dummy",
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.be_id = MSM_FRONTEND_DAI_VOLTE,
.no_host_mode = SND_SOC_DAI_LINK_NO_HOST,
.ignore_suspend = 1,
},
{
.name = "DTMF RX Hostless",
.stream_name = "DTMF RX Hostless",
.cpu_dai_name = "DTMF_RX_HOSTLESS",
.platform_name = "msm-pcm-dtmf",
.dynamic = 1,
.codec_dai_name = "snd-soc-dummy-dai",
.codec_name = "snd-soc-dummy",
.trigger = {SND_SOC_DPCM_TRIGGER_POST,
SND_SOC_DPCM_TRIGGER_POST},
.ignore_suspend = 1,
.be_id = MSM_FRONTEND_DAI_DTMF_RX,
.no_host_mode = SND_SOC_DAI_LINK_NO_HOST,
},
{
.name = "DTMF TX",
.stream_name = "DTMF TX",
.cpu_dai_name = "msm-dai-stub",
.platform_name = "msm-pcm-dtmf",
.codec_name = "msm-stub-codec.1",
.codec_dai_name = "msm-stub-tx",
.ignore_suspend = 1,
},
{
.name = "CS-VOICE HOST RX CAPTURE",
.stream_name = "CS-VOICE HOST RX CAPTURE",
.cpu_dai_name = "msm-dai-stub",
.platform_name = "msm-host-pcm-voice",
.codec_name = "msm-stub-codec.1",
.codec_dai_name = "msm-stub-tx",
.ignore_suspend = 1,
.trigger = {SND_SOC_DPCM_TRIGGER_POST,
SND_SOC_DPCM_TRIGGER_POST},
},
{
.name = "CS-VOICE HOST RX PLAYBACK",
.stream_name = "CS-VOICE HOST RX PLAYBACK",
.cpu_dai_name = "msm-dai-stub",
.platform_name = "msm-host-pcm-voice",
.codec_name = "msm-stub-codec.1",
.codec_dai_name = "msm-stub-rx",
.ignore_suspend = 1,
},
{
.name = "CS-VOICE HOST TX CAPTURE",
.stream_name = "CS-VOICE HOST TX CAPTURE",
.cpu_dai_name = "msm-dai-stub",
.platform_name = "msm-host-pcm-voice",
.codec_name = "msm-stub-codec.1",
.codec_dai_name = "msm-stub-tx",
.ignore_suspend = 1,
.trigger = {SND_SOC_DPCM_TRIGGER_POST,
SND_SOC_DPCM_TRIGGER_POST},
},
{
.name = "CS-VOICE HOST TX PLAYBACK",
.stream_name = "CS-VOICE HOST TX PLAYBACK",
.cpu_dai_name = "msm-dai-stub",
.platform_name = "msm-host-pcm-voice",
.codec_name = "msm-stub-codec.1",
.codec_dai_name = "msm-stub-rx",
.ignore_suspend = 1,
},
/* Backend BT DAI Links */
{
.name = LPASS_BE_INT_BT_SCO_RX,
.stream_name = "Internal BT-SCO Playback",
.cpu_dai_name = "msm-dai-q6.12288",
.platform_name = "msm-pcm-routing",
.codec_name = "msm-stub-codec.1",
.codec_dai_name = "msm-stub-rx",
.no_pcm = 1,
.be_id = MSM_BACKEND_DAI_INT_BT_SCO_RX,
.be_hw_params_fixup = mdm9615_btsco_be_hw_params_fixup,
},
{
.name = LPASS_BE_INT_BT_SCO_TX,
.stream_name = "Internal BT-SCO Capture",
.cpu_dai_name = "msm-dai-q6.12289",
.platform_name = "msm-pcm-routing",
.codec_name = "msm-stub-codec.1",
.codec_dai_name = "msm-stub-tx",
.no_pcm = 1,
.be_id = MSM_BACKEND_DAI_INT_BT_SCO_TX,
.be_hw_params_fixup = mdm9615_btsco_be_hw_params_fixup,
},
/* Backend AFE DAI Links */
{
.name = LPASS_BE_AFE_PCM_RX,
.stream_name = "AFE Playback",
.cpu_dai_name = "msm-dai-q6.224",
.platform_name = "msm-pcm-routing",
.codec_name = "msm-stub-codec.1",
.codec_dai_name = "msm-stub-rx",
.no_pcm = 1,
.be_id = MSM_BACKEND_DAI_AFE_PCM_RX,
},
{
.name = LPASS_BE_AFE_PCM_TX,
.stream_name = "AFE Capture",
.cpu_dai_name = "msm-dai-q6.225",
.platform_name = "msm-pcm-routing",
.codec_name = "msm-stub-codec.1",
.codec_dai_name = "msm-stub-tx",
.no_pcm = 1,
.be_id = MSM_BACKEND_DAI_AFE_PCM_TX,
},
/* AUX PCM Backend DAI Links */
{
.name = LPASS_BE_AUXPCM_RX,
.stream_name = "AUX PCM Playback",
.cpu_dai_name = "msm-dai-q6.2",
.platform_name = "msm-pcm-routing",
.codec_name = "msm-stub-codec.1",
.codec_dai_name = "msm-stub-rx",
.no_pcm = 1,
.be_id = MSM_BACKEND_DAI_AUXPCM_RX,
.be_hw_params_fixup = mdm9615_auxpcm_be_params_fixup,
.ops = &mdm9615_auxpcm_be_ops,
},
{
.name = LPASS_BE_AUXPCM_TX,
.stream_name = "AUX PCM Capture",
.cpu_dai_name = "msm-dai-q6.3",
.platform_name = "msm-pcm-routing",
.codec_name = "msm-stub-codec.1",
.codec_dai_name = "msm-stub-tx",
.no_pcm = 1,
.be_id = MSM_BACKEND_DAI_AUXPCM_TX,
.be_hw_params_fixup = mdm9615_auxpcm_be_params_fixup,
.ops = &mdm9615_auxpcm_be_ops,
},
/* SECONDARY AUX PCM Backend DAI Links */
{
.name = LPASS_BE_SEC_AUXPCM_RX,
.stream_name = "SEC AUX PCM Playback",
.cpu_dai_name = "msm-dai-q6.12",
.platform_name = "msm-pcm-routing",
.codec_name = "msm-stub-codec.1",
.codec_dai_name = "msm-stub-rx",
.no_pcm = 1,
.be_id = MSM_BACKEND_DAI_SEC_AUXPCM_RX,
.be_hw_params_fixup = mdm9615_auxpcm_be_params_fixup,
.ops = &mdm9615_sec_auxpcm_be_ops,
},
{
.name = LPASS_BE_SEC_AUXPCM_TX,
.stream_name = "SEC AUX PCM Capture",
.cpu_dai_name = "msm-dai-q6.13",
.platform_name = "msm-pcm-routing",
.codec_name = "msm-stub-codec.1",
.codec_dai_name = "msm-stub-tx",
.no_pcm = 1,
.be_id = MSM_BACKEND_DAI_SEC_AUXPCM_TX,
.be_hw_params_fixup = mdm9615_auxpcm_be_params_fixup,
.ops = &mdm9615_sec_auxpcm_be_ops,
},
/* Incall Music BACK END DAI Link */
{
.name = LPASS_BE_VOICE_PLAYBACK_TX,
.stream_name = "Voice Farend Playback",
.cpu_dai_name = "msm-dai-q6.32773",
.platform_name = "msm-pcm-routing",
.codec_name = "msm-stub-codec.1",
.codec_dai_name = "msm-stub-rx",
.no_pcm = 1,
.be_id = MSM_BACKEND_DAI_VOICE_PLAYBACK_TX,
.be_hw_params_fixup = mdm9615_be_hw_params_fixup,
},
/* Incall Record Uplink BACK END DAI Link */
{
.name = LPASS_BE_INCALL_RECORD_TX,
.stream_name = "Voice Uplink Capture",
.cpu_dai_name = "msm-dai-q6.32772",
.platform_name = "msm-pcm-routing",
.codec_name = "msm-stub-codec.1",
.codec_dai_name = "msm-stub-tx",
.no_pcm = 1,
.be_id = MSM_BACKEND_DAI_INCALL_RECORD_TX,
.be_hw_params_fixup = mdm9615_be_hw_params_fixup,
},
/* Incall Record Downlink BACK END DAI Link */
{
.name = LPASS_BE_INCALL_RECORD_RX,
.stream_name = "Voice Downlink Capture",
.cpu_dai_name = "msm-dai-q6.32771",
.platform_name = "msm-pcm-routing",
.codec_name = "msm-stub-codec.1",
.codec_dai_name = "msm-stub-tx",
.no_pcm = 1,
.be_id = MSM_BACKEND_DAI_INCALL_RECORD_RX,
.be_hw_params_fixup = mdm9615_be_hw_params_fixup,
.ignore_pmdown_time = 1, /* this dailink has playback support */
},
};
static struct snd_soc_dai_link mdm9615_dai_i2s_tabla[] = {
/* Backend I2S DAI Links */
{
.name = LPASS_BE_PRI_I2S_RX,
.stream_name = "Primary I2S Playback",
.cpu_dai_name = "msm-dai-q6.0",
.platform_name = "msm-pcm-routing",
.codec_name = "tabla_codec",
.codec_dai_name = "tabla_i2s_rx1",
.no_pcm = 1,
.be_id = MSM_BACKEND_DAI_PRI_I2S_RX,
.init = &msm9615_i2s_audrx_init,
.be_hw_params_fixup = msm9615_i2s_rx_be_hw_params_fixup,
.ops = &msm9615_i2s_be_ops,
},
{
.name = LPASS_BE_PRI_I2S_TX,
.stream_name = "Primary I2S Capture",
.cpu_dai_name = "msm-dai-q6.1",
.platform_name = "msm-pcm-routing",
.codec_name = "tabla_codec",
.codec_dai_name = "tabla_i2s_tx1",
.no_pcm = 1,
.be_id = MSM_BACKEND_DAI_PRI_I2S_TX,
.be_hw_params_fixup = msm9615_i2s_tx_be_hw_params_fixup,
.ops = &msm9615_i2s_be_ops,
},
{
.name = LPASS_BE_SEC_I2S_RX,
.stream_name = "Secondary I2S Playback",
.cpu_dai_name = "msm-dai-q6.4",
.platform_name = "msm-pcm-routing",
.codec_name = "msm-stub-codec.1",
.codec_dai_name = "msm-stub-rx",
.no_pcm = 1,
.be_id = MSM_BACKEND_DAI_SEC_I2S_RX,
.be_hw_params_fixup = msm9615_i2s_rx_be_hw_params_fixup,
.ops = &msm9615_i2s_be_ops,
},
{
.name = LPASS_BE_SEC_I2S_TX,
.stream_name = "Secondary I2S Capture",
.cpu_dai_name = "msm-dai-q6.5",
.platform_name = "msm-pcm-routing",
.codec_name = "msm-stub-codec.1",
.codec_dai_name = "msm-stub-tx",
.no_pcm = 1,
.be_id = MSM_BACKEND_DAI_SEC_I2S_TX,
.be_hw_params_fixup = msm9615_i2s_tx_be_hw_params_fixup,
.ops = &msm9615_i2s_be_ops,
},
};
static struct snd_soc_dai_link mdm9615_dai_slimbus_tabla[] = {
/* Backend SlimBus DAI Links */
{
.name = LPASS_BE_SLIMBUS_0_RX,
.stream_name = "Slimbus Playback",
.cpu_dai_name = "msm-dai-q6.16384",
.platform_name = "msm-pcm-routing",
.codec_name = "tabla_codec",
.codec_dai_name = "tabla_rx1",
.no_pcm = 1,
.be_id = MSM_BACKEND_DAI_SLIMBUS_0_RX,
.init = &mdm9615_audrx_init,
.be_hw_params_fixup = mdm9615_slim_0_rx_be_hw_params_fixup,
.ops = &mdm9615_be_ops,
},
{
.name = LPASS_BE_SLIMBUS_0_TX,
.stream_name = "Slimbus Capture",
.cpu_dai_name = "msm-dai-q6.16385",
.platform_name = "msm-pcm-routing",
.codec_name = "tabla_codec",
.codec_dai_name = "tabla_tx1",
.no_pcm = 1,
.be_id = MSM_BACKEND_DAI_SLIMBUS_0_TX,
.be_hw_params_fixup = mdm9615_slim_0_tx_be_hw_params_fixup,
.ops = &mdm9615_be_ops,
},
};
static struct snd_soc_dai_link mdm9615_i2s_dai[
ARRAY_SIZE(mdm9615_dai_common) +
ARRAY_SIZE(mdm9615_dai_i2s_tabla)];
static struct snd_soc_dai_link mdm9615_slimbus_dai[
ARRAY_SIZE(mdm9615_dai_common) +
ARRAY_SIZE(mdm9615_dai_slimbus_tabla)];
static struct snd_soc_card snd_soc_card_mdm9615[] = {
[0] = {
.name = "mdm9615-tabla-snd-card",
.controls = tabla_mdm9615_controls,
.num_controls = ARRAY_SIZE(tabla_mdm9615_controls),
},
[1] = {
.name = "mdm9615-tabla-snd-card-i2s",
.controls = tabla_msm9615_i2s_controls,
.num_controls = ARRAY_SIZE(tabla_msm9615_i2s_controls),
},
};
static int __init mdm9615_audio_init(void)
{
int ret;
/* Set GPIO headset detection by default */
hs_detect_use_gpio = true;
if (!cpu_is_msm9615()) {
pr_err("%s: Not the right machine type\n", __func__);
return -ENODEV ;
}
mbhc_cfg.calibration = def_tabla_mbhc_cal();
if (!mbhc_cfg.calibration) {
pr_err("Calibration data allocation failed\n");
return -ENOMEM;
}
mdm9615_snd_device_slim = platform_device_alloc("soc-audio", 0);
if (!mdm9615_snd_device_slim) {
pr_err("Platform device allocation failed\n");
kfree(mbhc_cfg.calibration);
return -ENOMEM;
}
/* Install SLIM specific links */
memcpy(mdm9615_slimbus_dai, mdm9615_dai_common,
sizeof(mdm9615_dai_common));
memcpy(mdm9615_slimbus_dai + ARRAY_SIZE(mdm9615_dai_common),
mdm9615_dai_slimbus_tabla,
sizeof(mdm9615_dai_slimbus_tabla));
snd_soc_card_mdm9615[0].dai_link = mdm9615_slimbus_dai;
snd_soc_card_mdm9615[0].num_links =
ARRAY_SIZE(mdm9615_slimbus_dai);
mdm9615_snd_device_i2s = platform_device_alloc("soc-audio", 1);
if (!mdm9615_snd_device_i2s) {
pr_err("Platform device allocation failed\n");
kfree(mbhc_cfg.calibration);
return -ENOMEM;
}
pr_err("%s: Interface Type = %d\n", __func__,
wcd9xxx_get_intf_type());
/* Install I2S specific links */
memcpy(mdm9615_i2s_dai, mdm9615_dai_common,
sizeof(mdm9615_dai_common));
memcpy(mdm9615_i2s_dai + ARRAY_SIZE(mdm9615_dai_common),
mdm9615_dai_i2s_tabla,
sizeof(mdm9615_dai_i2s_tabla));
snd_soc_card_mdm9615[1].dai_link = mdm9615_i2s_dai;
snd_soc_card_mdm9615[1].num_links =
ARRAY_SIZE(mdm9615_i2s_dai);
platform_set_drvdata(mdm9615_snd_device_slim, &snd_soc_card_mdm9615[0]);
ret = platform_device_add(mdm9615_snd_device_slim);
if (ret) {
pr_err("%s Slim platform_device_add fail\n", __func__);
platform_device_put(mdm9615_snd_device_slim);
kfree(mbhc_cfg.calibration);
return ret;
}
platform_set_drvdata(mdm9615_snd_device_i2s, &snd_soc_card_mdm9615[1]);
ret = platform_device_add(mdm9615_snd_device_i2s);
if (ret) {
pr_err("%s I2S platform_device_add fail\n", __func__);
platform_device_put(mdm9615_snd_device_i2s);
kfree(mbhc_cfg.calibration);
return ret;
}
/*
* Irrespective of audio interface type get virtual address
* of LPAIF registers as it may not be guaranted that I2S
* will probed successfully in Init.
*/
atomic_set(&msm9615_auxpcm_ref, 0);
atomic_set(&msm9615_sec_auxpcm_ref, 0);
msm9x15_i2s_ctl.sif_virt_addr = ioremap(LPASS_SIF_MUX_ADDR, 4);
msm9x15_i2s_ctl.spare_virt_addr = ioremap(LPAIF_SPARE_ADDR, 4);
if (msm9x15_i2s_ctl.spare_virt_addr == NULL ||
msm9x15_i2s_ctl.sif_virt_addr == NULL)
pr_err("%s: SIF or Spare ptr are NULL", __func__);
sif_virt_addr = ioremap(LPASS_SIF_MUX_ADDR, 4);
secpcm_portslc_virt_addr = ioremap(SEC_PCM_PORT_SLC_ADDR, 4);
return ret;
}
module_init(mdm9615_audio_init);
static void __exit mdm9615_audio_exit(void)
{
if (!cpu_is_msm9615()) {
pr_err("%s: Not the right machine type\n", __func__);
return ;
}
platform_device_unregister(mdm9615_snd_device_slim);
platform_device_unregister(mdm9615_snd_device_i2s);
kfree(mbhc_cfg.calibration);
iounmap(msm9x15_i2s_ctl.sif_virt_addr);
iounmap(msm9x15_i2s_ctl.spare_virt_addr);
iounmap(sif_virt_addr);
iounmap(secpcm_portslc_virt_addr);
}
module_exit(mdm9615_audio_exit);
MODULE_DESCRIPTION("ALSA SoC MDM9615");
MODULE_LICENSE("GPL v2");
Reference in New Issue View Git Blame Copy Permalink