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