/arch/arm/mach-msm/board-mahimahi-audio.c
https://github.com/AICP/kernel_google_msm · C · 283 lines · 226 code · 38 blank · 19 comment · 39 complexity · 7015f101937b4aee690ce0635c286ab5 MD5 · raw file
- /* arch/arm/mach-msm/board-mahimahi-audio.c
- *
- * Copyright (C) 2009 HTC Corporation
- * Copyright (C) 2009 Google Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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/gpio.h>
- #include <linux/delay.h>
- #include <mach/msm_qdsp6_audio.h>
- #include <mach/htc_acoustic_qsd.h>
- #include <mach/proc_comm.h>
- #include "board-mahimahi.h"
- #include "pmic.h"
- #include "board-mahimahi-tpa2018d1.h"
- #if 0
- #define D(fmt, args...) printk(KERN_INFO "Audio: "fmt, ##args)
- #else
- #define D(fmt, args...) do {} while (0)
- #endif
- static struct mutex mic_lock;
- static struct mutex bt_sco_lock;
- static struct q6_hw_info q6_audio_hw[Q6_HW_COUNT] = {
- [Q6_HW_HANDSET] = {
- .min_gain = -2000,
- .max_gain = 0,
- },
- [Q6_HW_HEADSET] = {
- .min_gain = -2000,
- .max_gain = 0,
- },
- [Q6_HW_SPEAKER] = {
- .min_gain = -1500,
- .max_gain = 0,
- },
- [Q6_HW_TTY] = {
- .min_gain = -2000,
- .max_gain = 0,
- },
- [Q6_HW_BT_SCO] = {
- .min_gain = -2000,
- .max_gain = 0,
- },
- [Q6_HW_BT_A2DP] = {
- .min_gain = -2000,
- .max_gain = 0,
- },
- };
- void mahimahi_headset_enable(int en)
- {
- D("%s %d\n", __func__, en);
- /* enable audio amp */
- if (en) mdelay(15);
- gpio_set_value(MAHIMAHI_AUD_JACKHP_EN, !!en);
- }
- void mahimahi_speaker_enable(int en)
- {
- struct spkr_config_mode scm;
- memset(&scm, 0, sizeof(scm));
- D("%s %d\n", __func__, en);
- if (en) {
- scm.is_right_chan_en = 0;
- scm.is_left_chan_en = 1;
- scm.is_stereo_en = 0;
- scm.is_hpf_en = 1;
- pmic_spkr_en_mute(LEFT_SPKR, 0);
- pmic_spkr_en_mute(RIGHT_SPKR, 0);
- pmic_set_spkr_configuration(&scm);
- pmic_spkr_en(LEFT_SPKR, 1);
- pmic_spkr_en(RIGHT_SPKR, 0);
- /* unmute */
- pmic_spkr_en_mute(LEFT_SPKR, 1);
- } else {
- pmic_spkr_en_mute(LEFT_SPKR, 0);
- pmic_spkr_en(LEFT_SPKR, 0);
- pmic_spkr_en(RIGHT_SPKR, 0);
- pmic_set_spkr_configuration(&scm);
- }
- if (is_cdma_version(system_rev))
- tpa2018d1_set_speaker_amp(en);
- }
- void mahimahi_receiver_enable(int en)
- {
- if (is_cdma_version(system_rev) &&
- ((system_rev == 0xC1) || (system_rev == 0xC2))) {
- struct spkr_config_mode scm;
- memset(&scm, 0, sizeof(scm));
- D("%s %d\n", __func__, en);
- if (en) {
- scm.is_right_chan_en = 1;
- scm.is_left_chan_en = 0;
- scm.is_stereo_en = 0;
- scm.is_hpf_en = 1;
- pmic_spkr_en_mute(RIGHT_SPKR, 0);
- pmic_set_spkr_configuration(&scm);
- pmic_spkr_en(RIGHT_SPKR, 1);
- /* unmute */
- pmic_spkr_en_mute(RIGHT_SPKR, 1);
- } else {
- pmic_spkr_en_mute(RIGHT_SPKR, 0);
- pmic_spkr_en(RIGHT_SPKR, 0);
- pmic_set_spkr_configuration(&scm);
- }
- }
- }
- static void config_gpio_table(uint32_t *table, int len)
- {
- int n;
- unsigned id;
- for (n = 0; n < len; n++) {
- id = table[n];
- msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX, &id, 0);
- }
- }
- static uint32_t bt_sco_enable[] = {
- PCOM_GPIO_CFG(MAHIMAHI_BT_PCM_OUT, 1, GPIO_OUTPUT,
- GPIO_NO_PULL, GPIO_2MA),
- PCOM_GPIO_CFG(MAHIMAHI_BT_PCM_IN, 1, GPIO_INPUT,
- GPIO_NO_PULL, GPIO_2MA),
- PCOM_GPIO_CFG(MAHIMAHI_BT_PCM_SYNC, 2, GPIO_INPUT,
- GPIO_NO_PULL, GPIO_2MA),
- PCOM_GPIO_CFG(MAHIMAHI_BT_PCM_CLK, 2, GPIO_INPUT,
- GPIO_NO_PULL, GPIO_2MA),
- };
- static uint32_t bt_sco_disable[] = {
- PCOM_GPIO_CFG(MAHIMAHI_BT_PCM_OUT, 0, GPIO_OUTPUT,
- GPIO_NO_PULL, GPIO_2MA),
- PCOM_GPIO_CFG(MAHIMAHI_BT_PCM_IN, 0, GPIO_INPUT,
- GPIO_NO_PULL, GPIO_2MA),
- PCOM_GPIO_CFG(MAHIMAHI_BT_PCM_SYNC, 0, GPIO_INPUT,
- GPIO_NO_PULL, GPIO_2MA),
- PCOM_GPIO_CFG(MAHIMAHI_BT_PCM_CLK, 0, GPIO_INPUT,
- GPIO_NO_PULL, GPIO_2MA),
- };
- void mahimahi_bt_sco_enable(int en)
- {
- static int bt_sco_refcount;
- D("%s %d\n", __func__, en);
- mutex_lock(&bt_sco_lock);
- if (en) {
- if (++bt_sco_refcount == 1)
- config_gpio_table(bt_sco_enable,
- ARRAY_SIZE(bt_sco_enable));
- } else {
- if (--bt_sco_refcount == 0) {
- config_gpio_table(bt_sco_disable,
- ARRAY_SIZE(bt_sco_disable));
- gpio_set_value(MAHIMAHI_BT_PCM_OUT, 0);
- }
- }
- mutex_unlock(&bt_sco_lock);
- }
- void mahimahi_mic_enable(int en)
- {
- static int old_state = 0, new_state = 0;
- D("%s %d\n", __func__, en);
- mutex_lock(&mic_lock);
- if (!!en)
- new_state++;
- else
- new_state--;
- if (new_state == 1 && old_state == 0) {
- gpio_set_value(MAHIMAHI_AUD_2V5_EN, 1);
- mdelay(60);
- } else if (new_state == 0 && old_state == 1)
- gpio_set_value(MAHIMAHI_AUD_2V5_EN, 0);
- else
- D("%s: do nothing %d %d\n", __func__, old_state, new_state);
- old_state = new_state;
- mutex_unlock(&mic_lock);
- }
- void mahimahi_analog_init(void)
- {
- D("%s\n", __func__);
- /* stereo pmic init */
- pmic_spkr_set_gain(LEFT_SPKR, SPKR_GAIN_PLUS12DB);
- pmic_spkr_set_gain(RIGHT_SPKR, SPKR_GAIN_PLUS12DB);
- pmic_spkr_en_right_chan(OFF_CMD);
- pmic_spkr_en_left_chan(OFF_CMD);
- pmic_spkr_add_right_left_chan(OFF_CMD);
- pmic_spkr_en_stereo(OFF_CMD);
- pmic_spkr_select_usb_with_hpf_20hz(OFF_CMD);
- pmic_spkr_bypass_mux(OFF_CMD);
- pmic_spkr_en_hpf(ON_CMD);
- pmic_spkr_en_sink_curr_from_ref_volt_cir(OFF_CMD);
- pmic_spkr_set_mux_hpf_corner_freq(SPKR_FREQ_0_73KHZ);
- pmic_mic_set_volt(MIC_VOLT_1_80V);
- gpio_request(MAHIMAHI_AUD_JACKHP_EN, "aud_jackhp_en");
- gpio_request(MAHIMAHI_BT_PCM_OUT, "bt_pcm_out");
- gpio_direction_output(MAHIMAHI_AUD_JACKHP_EN, 0);
- mutex_lock(&bt_sco_lock);
- config_gpio_table(bt_sco_disable,
- ARRAY_SIZE(bt_sco_disable));
- gpio_direction_output(MAHIMAHI_BT_PCM_OUT, 0);
- mutex_unlock(&bt_sco_lock);
- }
- int mahimahi_get_rx_vol(uint8_t hw, int level)
- {
- int vol;
- if (level > 100)
- level = 100;
- else if (level < 0)
- level = 0;
- if (is_cdma_version(system_rev) && hw == Q6_HW_HANDSET) {
- int handset_volume[6] = { -1600, -1300, -1000, -600, -300, 0 };
- vol = handset_volume[5 * level / 100];
- } else {
- struct q6_hw_info *info;
- info = &q6_audio_hw[hw];
- vol = info->min_gain + ((info->max_gain - info->min_gain) * level) / 100;
- }
- D("%s %d\n", __func__, vol);
- return vol;
- }
- static struct qsd_acoustic_ops acoustic = {
- .enable_mic_bias = mahimahi_mic_enable,
- };
- static struct q6audio_analog_ops ops = {
- .init = mahimahi_analog_init,
- .speaker_enable = mahimahi_speaker_enable,
- .headset_enable = mahimahi_headset_enable,
- .receiver_enable = mahimahi_receiver_enable,
- .bt_sco_enable = mahimahi_bt_sco_enable,
- .int_mic_enable = mahimahi_mic_enable,
- .ext_mic_enable = mahimahi_mic_enable,
- .get_rx_vol = mahimahi_get_rx_vol,
- };
- void __init mahimahi_audio_init(void)
- {
- mutex_init(&mic_lock);
- mutex_init(&bt_sco_lock);
- q6audio_register_analog_ops(&ops);
- acoustic_register_ops(&acoustic);
- if (is_cdma_version(system_rev) &&
- ((system_rev == 0xC1) || (system_rev == 0xC2)))
- q6audio_set_acdb_file("default_PMIC.acdb");
- }