blob: 9143b5a3a34850a256033178517e51b8e7b8fd7c [file] [log] [blame]
/* arch/arm/mach-msm/qdsp6/audiov2/q6audio.c
*
* Copyright (C) 2009 Google, Inc.
* Copyright (c) 2009, The Linux Foundation. All rights reserved.
*
* Author: Brian Swetland <swetland@google.com>
*
* 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/mutex.h>
#include <linux/sched.h>
#include <linux/wait.h>
#include <linux/dma-mapping.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/wakelock.h>
#include <linux/gpio.h>
#include <linux/pm_qos.h>
#include <mach/msm_qdsp6_audiov2.h>
#include <mach/cpuidle.h>
#include "../dal.h"
#include "dal_audio.h"
#include "dal_audio_format.h"
#include "dal_acdb.h"
#include "dal_adie.h"
#include "q6audio_devices.h"
struct q6_hw_info {
int min_gain;
int max_gain;
};
/* TODO: provide mechanism to configure from board file */
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,
},
};
static struct pm_qos_request pm_qos_req;
static int idlecount;
static DEFINE_MUTEX(idlecount_lock);
void audio_prevent_sleep(void)
{
mutex_lock(&idlecount_lock);
if (++idlecount == 1)
pm_qos_update_request(&pm_qos_req,
msm_cpuidle_get_deep_idle_latency());
mutex_unlock(&idlecount_lock);
}
void audio_allow_sleep(void)
{
mutex_lock(&idlecount_lock);
if (--idlecount == 0)
pm_qos_update_request(&pm_qos_req, PM_QOS_DEFAULT_VALUE);
mutex_unlock(&idlecount_lock);
}
static struct clk *icodec_rx_clk;
static struct clk *icodec_tx_clk;
static struct clk *ecodec_clk;
static struct clk *sdac_clk;
static struct q6audio_analog_ops default_analog_ops;
static struct q6audio_analog_ops *analog_ops = &default_analog_ops;
uint32_t tx_clk_freq = 8000;
static int tx_mute_status;
void q6audio_register_analog_ops(struct q6audio_analog_ops *ops)
{
analog_ops = ops;
}
static struct q6_device_info *q6_lookup_device(uint32_t device_id)
{
struct q6_device_info *di = q6_audio_devices;
for (;;) {
if (di->id == device_id)
return di;
if (di->id == 0) {
pr_err("q6_lookup_device: bogus id 0x%08x\n",
device_id);
return di;
}
di++;
}
}
static uint32_t q6_device_to_codec(uint32_t device_id)
{
struct q6_device_info *di = q6_lookup_device(device_id);
return di->codec;
}
static uint32_t q6_device_to_dir(uint32_t device_id)
{
struct q6_device_info *di = q6_lookup_device(device_id);
return di->dir;
}
static uint32_t q6_device_to_cad_id(uint32_t device_id)
{
struct q6_device_info *di = q6_lookup_device(device_id);
return di->cad_id;
}
static uint32_t q6_device_to_path(uint32_t device_id)
{
struct q6_device_info *di = q6_lookup_device(device_id);
return di->path;
}
static uint32_t q6_device_to_rate(uint32_t device_id)
{
struct q6_device_info *di = q6_lookup_device(device_id);
return di->rate;
}
int q6_device_volume(uint32_t device_id, int level)
{
struct q6_device_info *di = q6_lookup_device(device_id);
struct q6_hw_info *hw;
hw = &q6_audio_hw[di->hw];
return hw->min_gain + ((hw->max_gain - hw->min_gain) * level) / 100;
}
static inline int adie_open(struct dal_client *client)
{
return dal_call_f0(client, DAL_OP_OPEN, 0);
}
static inline int adie_close(struct dal_client *client)
{
return dal_call_f0(client, DAL_OP_CLOSE, 0);
}
static inline int adie_set_path(struct dal_client *client,
uint32_t *adie_params, uint32_t size)
{
uint32_t tmp;
return dal_call(client, ADIE_OP_SET_PATH, 5, adie_params, size,
(void *)&tmp, sizeof(uint32_t));
}
static inline int adie_proceed_to_stage(struct dal_client *client,
uint32_t path_type, uint32_t stage)
{
return dal_call_f1(client, ADIE_OP_PROCEED_TO_STAGE,
path_type, stage);
}
static int adie_refcount;
static struct dal_client *adie;
static struct dal_client *adsp;
static struct dal_client *acdb;
static int adie_enable(void)
{
adie_refcount++;
if (adie_refcount == 1)
adie_open(adie);
return 0;
}
static int adie_disable(void)
{
adie_refcount--;
if (adie_refcount == 0)
adie_close(adie);
return 0;
}
/* 4k DMA scratch page used for exchanging acdb device config tables
* and stream format descriptions with the DSP.
*/
char *audio_data;
int32_t audio_phys;
#define SESSION_MIN 0
#define SESSION_MAX 64
static DEFINE_MUTEX(session_lock);
static DEFINE_MUTEX(audio_lock);
static struct audio_client *session[SESSION_MAX];
static int session_alloc(struct audio_client *ac)
{
int n;
mutex_lock(&session_lock);
for (n = SESSION_MIN; n < SESSION_MAX; n++) {
if (!session[n]) {
session[n] = ac;
mutex_unlock(&session_lock);
return n;
}
}
mutex_unlock(&session_lock);
return -ENOMEM;
}
static void session_free(int n, struct audio_client *ac)
{
mutex_lock(&session_lock);
if (session[n] == ac)
session[n] = 0;
mutex_unlock(&session_lock);
}
static void audio_client_free(struct audio_client *ac)
{
session_free(ac->session, ac);
if (ac->buf[0].data)
pmem_kfree(ac->buf[0].phys);
if (ac->buf[1].data)
pmem_kfree(ac->buf[1].phys);
kfree(ac);
}
static struct audio_client *audio_client_alloc(unsigned bufsz)
{
struct audio_client *ac;
int n;
ac = kzalloc(sizeof(*ac), GFP_KERNEL);
if (!ac)
return 0;
n = session_alloc(ac);
if (n < 0)
goto fail_session;
ac->session = n;
if (bufsz > 0) {
ac->buf[0].phys = pmem_kalloc(bufsz,
PMEM_MEMTYPE_EBI1|PMEM_ALIGNMENT_4K);
ac->buf[0].data = ioremap(ac->buf[0].phys, bufsz);
if (!ac->buf[0].data)
goto fail;
ac->buf[1].phys = pmem_kalloc(bufsz,
PMEM_MEMTYPE_EBI1|PMEM_ALIGNMENT_4K);
ac->buf[1].data = ioremap(ac->buf[1].phys, bufsz);
if (!ac->buf[1].data)
goto fail;
ac->buf[0].size = bufsz;
ac->buf[1].size = bufsz;
}
init_waitqueue_head(&ac->wait);
ac->client = adsp;
return ac;
fail:
pr_err("pmem_kalloc failed\n");
session_free(n, ac);
fail_session:
audio_client_free(ac);
return 0;
}
static int audio_ioctl(struct audio_client *ac, void *ptr, uint32_t len)
{
struct adsp_command_hdr *hdr = ptr;
uint32_t tmp;
int r;
hdr->size = len - sizeof(u32);
hdr->dest = AUDIO_ADDR(DOMAIN_DSP, ac->session, 0);
hdr->src = AUDIO_ADDR(DOMAIN_APP, ac->session, 0);
hdr->context = ac->session;
ac->cb_status = -EBUSY;
r = dal_call(ac->client, AUDIO_OP_CONTROL, 5, ptr, len,
&tmp, sizeof(tmp));
if (r != 4)
return -EIO;
wait_event(ac->wait, (ac->cb_status != -EBUSY));
return tmp;
}
static int audio_command(struct audio_client *ac, uint32_t cmd)
{
struct adsp_command_hdr rpc;
memset(&rpc, 0, sizeof(rpc));
rpc.opcode = cmd;
return audio_ioctl(ac, &rpc, sizeof(rpc));
}
static int audio_open_control(struct audio_client *ac)
{
struct adsp_open_command rpc;
memset(&rpc, 0, sizeof(rpc));
rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_OPEN_DEVICE;
rpc.hdr.dest = AUDIO_ADDR(DOMAIN_DSP, ac->session, 0);
rpc.hdr.src = AUDIO_ADDR(DOMAIN_APP, ac->session, 0);
return audio_ioctl(ac, &rpc, sizeof(rpc));
}
static int audio_close(struct audio_client *ac)
{
audio_command(ac, ADSP_AUDIO_IOCTL_CMD_STREAM_STOP);
audio_command(ac, ADSP_AUDIO_IOCTL_CMD_CLOSE);
return 0;
}
static int audio_set_table(struct audio_client *ac,
uint32_t device_id, int size)
{
struct adsp_set_dev_cfg_table_command rpc;
memset(&rpc, 0, sizeof(rpc));
rpc.hdr.opcode = ADSP_AUDIO_IOCTL_SET_DEVICE_CONFIG_TABLE;
rpc.hdr.dest = AUDIO_ADDR(DOMAIN_DSP, ac->session, 0);
rpc.hdr.src = AUDIO_ADDR(DOMAIN_APP, ac->session, 0);
rpc.device_id = device_id;
rpc.phys_addr = audio_phys;
rpc.phys_size = size;
rpc.phys_used = size;
if (q6_device_to_dir(device_id) == Q6_TX)
rpc.hdr.data = tx_clk_freq;
return audio_ioctl(ac, &rpc, sizeof(rpc));
}
int q6audio_read(struct audio_client *ac, struct audio_buffer *ab)
{
struct adsp_buffer_command rpc;
uint32_t res;
int r;
memset(&rpc, 0, sizeof(rpc));
rpc.hdr.size = sizeof(rpc) - sizeof(u32);
rpc.hdr.dest = AUDIO_ADDR(DOMAIN_DSP, ac->session, 0);
rpc.hdr.src = AUDIO_ADDR(DOMAIN_APP, ac->session, 0);
rpc.hdr.context = ac->session;
rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_DATA_TX;
rpc.buffer.addr = ab->phys;
rpc.buffer.max_size = ab->size;
rpc.buffer.actual_size = ab->actual_size;
r = dal_call(ac->client, AUDIO_OP_DATA, 5, &rpc, sizeof(rpc),
&res, sizeof(res));
if ((r == sizeof(res)))
return 0;
return -EIO;
}
int q6audio_write(struct audio_client *ac, struct audio_buffer *ab)
{
struct adsp_buffer_command rpc;
uint32_t res;
int r;
memset(&rpc, 0, sizeof(rpc));
rpc.hdr.size = sizeof(rpc) - sizeof(u32);
rpc.hdr.src = AUDIO_ADDR(DOMAIN_APP, ac->session, 0);
rpc.hdr.dest = AUDIO_ADDR(DOMAIN_DSP, ac->session, 0);
rpc.hdr.context = ac->session;
rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_DATA_RX;
rpc.buffer.addr = ab->phys;
rpc.buffer.max_size = ab->size;
rpc.buffer.actual_size = ab->actual_size;
r = dal_call(ac->client, AUDIO_OP_DATA, 5, &rpc, sizeof(rpc),
&res, sizeof(res));
return 0;
}
static int audio_rx_volume(struct audio_client *ac, uint32_t dev_id,
int32_t volume)
{
struct adsp_set_dev_volume_command rpc;
memset(&rpc, 0, sizeof(rpc));
rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_SET_DEVICE_VOL;
rpc.hdr.dest = AUDIO_ADDR(DOMAIN_DSP, ac->session, 0);
rpc.hdr.src = AUDIO_ADDR(DOMAIN_APP, ac->session, 0);
rpc.device_id = dev_id;
rpc.path = ADSP_PATH_RX;
rpc.volume = volume;
return audio_ioctl(ac, &rpc, sizeof(rpc));
}
static int audio_rx_mute(struct audio_client *ac, uint32_t dev_id, int mute)
{
struct adsp_set_dev_mute_command rpc;
memset(&rpc, 0, sizeof(rpc));
rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_SET_DEVICE_MUTE;
rpc.hdr.dest = AUDIO_ADDR(DOMAIN_DSP, ac->session, 0);
rpc.hdr.src = AUDIO_ADDR(DOMAIN_APP, ac->session, 0);
rpc.device_id = dev_id;
rpc.path = ADSP_PATH_RX;
rpc.mute = !!mute;
return audio_ioctl(ac, &rpc, sizeof(rpc));
}
static int audio_tx_volume(struct audio_client *ac, uint32_t dev_id,
int32_t volume)
{
struct adsp_set_dev_volume_command rpc;
memset(&rpc, 0, sizeof(rpc));
rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_SET_DEVICE_VOL;
rpc.hdr.dest = AUDIO_ADDR(DOMAIN_DSP, ac->session, 0);
rpc.hdr.src = AUDIO_ADDR(DOMAIN_APP, ac->session, 0);
rpc.device_id = dev_id;
rpc.path = ADSP_PATH_TX;
rpc.volume = volume;
return audio_ioctl(ac, &rpc, sizeof(rpc));
}
static int audio_tx_mute(struct audio_client *ac, uint32_t dev_id, int mute)
{
struct adsp_set_dev_mute_command rpc;
memset(&rpc, 0, sizeof(rpc));
rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_SET_DEVICE_MUTE;
rpc.hdr.dest = AUDIO_ADDR(DOMAIN_DSP, ac->session, 0);
rpc.hdr.src = AUDIO_ADDR(DOMAIN_APP, ac->session, 0);
rpc.device_id = dev_id;
rpc.path = ADSP_PATH_TX;
rpc.mute = !!mute;
return audio_ioctl(ac, &rpc, sizeof(rpc));
}
static void callback(void *data, int len, void *cookie)
{
struct adsp_event_hdr *e = data;
struct audio_client *ac;
struct adsp_buffer_event *abe = data;
if (e->context >= SESSION_MAX) {
pr_err("audio callback: bogus session %d\n",
e->context);
return;
}
ac = session[e->context];
if (!ac) {
pr_err("audio callback: unknown session %d\n",
e->context);
return;
}
if (e->event_id == ADSP_AUDIO_IOCTL_CMD_STREAM_EOS) {
pr_info("playback done\n");
if (e->status)
pr_err("playback status %d\n", e->status);
if (ac->cb_status == -EBUSY) {
ac->cb_status = e->status;
wake_up(&ac->wait);
}
return;
}
if (e->event_id == ADSP_AUDIO_EVT_STATUS_BUF_DONE) {
if (e->status)
pr_err("buffer status %d\n", e->status);
ac->buf[ac->dsp_buf].actual_size = abe->buffer.actual_size;
ac->buf[ac->dsp_buf].used = 0;
ac->dsp_buf ^= 1;
wake_up(&ac->wait);
return;
}
if (e->status)
pr_warning("audio_cb: s=%d e=%08x status=%d\n",
e->context, e->event_id, e->status);
if (ac->cb_status == -EBUSY) {
ac->cb_status = e->status;
wake_up(&ac->wait);
}
}
static void audio_init(struct dal_client *client)
{
u32 tmp[3];
tmp[0] = 2 * sizeof(u32);
tmp[1] = 0;
tmp[2] = 0;
dal_call(client, AUDIO_OP_INIT, 5, tmp, sizeof(tmp),
tmp, sizeof(u32));
}
static struct audio_client *ac_control;
static int q6audio_init(void)
{
struct audio_client *ac = 0;
int res = -ENODEV;
mutex_lock(&audio_lock);
if (ac_control) {
res = 0;
goto done;
}
icodec_rx_clk = clk_get(0, "icodec_rx_clk");
icodec_tx_clk = clk_get(0, "icodec_tx_clk");
ecodec_clk = clk_get(0, "ecodec_clk");
sdac_clk = clk_get(0, "sdac_clk");
tx_mute_status = 0;
audio_phys = pmem_kalloc(4096, PMEM_MEMTYPE_EBI1|PMEM_ALIGNMENT_4K);
audio_data = ioremap(audio_phys, 4096);
if (!audio_data) {
pr_err("pmem kalloc failed\n");
res = -ENOMEM;
goto done;
}
adsp = dal_attach(AUDIO_DAL_DEVICE, AUDIO_DAL_PORT, 1,
callback, 0);
if (!adsp) {
pr_err("audio_init: cannot attach to adsp\n");
res = -ENODEV;
goto done;
}
if (check_version(adsp, AUDIO_DAL_VERSION) != 0) {
pr_err("Incompatible adsp version\n");
res = -ENODEV;
goto done;
}
audio_init(adsp);
ac = audio_client_alloc(0);
if (!ac) {
pr_err("audio_init: cannot allocate client\n");
res = -ENOMEM;
goto done;
}
if (audio_open_control(ac)) {
pr_err("audio_init: cannot open control channel\n");
res = -ENODEV;
goto done;
}
acdb = dal_attach(ACDB_DAL_DEVICE, ACDB_DAL_PORT, 0, 0, 0);
if (!acdb) {
pr_err("audio_init: cannot attach to acdb channel\n");
res = -ENODEV;
goto done;
}
if (check_version(acdb, ACDB_DAL_VERSION) != 0) {
pr_err("Incompatablie acdb version\n");
res = -ENODEV;
goto done;
}
adie = dal_attach(ADIE_DAL_DEVICE, ADIE_DAL_PORT, 0, 0, 0);
if (!adie) {
pr_err("audio_init: cannot attach to adie\n");
res = -ENODEV;
goto done;
}
if (check_version(adie, ADIE_DAL_VERSION) != 0) {
pr_err("Incompatablie adie version\n");
res = -ENODEV;
goto done;
}
if (analog_ops->init)
analog_ops->init();
res = 0;
ac_control = ac;
pm_qos_add_request(&pm_qos_req, PM_QOS_CPU_DMA_LATENCY,
PM_QOS_DEFAULT_VALUE);
done:
if ((res < 0) && ac)
audio_client_free(ac);
mutex_unlock(&audio_lock);
return res;
}
static int acdb_get_config_table(uint32_t device_id, uint32_t sample_rate)
{
struct acdb_cmd_device_table rpc;
struct acdb_result res;
int r;
if (q6audio_init())
return 0;
memset(audio_data, 0, 4096);
memset(&rpc, 0, sizeof(rpc));
rpc.size = sizeof(rpc) - (2 * sizeof(uint32_t));
rpc.command_id = ACDB_GET_DEVICE_TABLE;
rpc.device_id = q6_device_to_cad_id(device_id);
rpc.network_id = 0x00010023;
rpc.sample_rate_id = sample_rate;
rpc.total_bytes = 4096;
rpc.unmapped_buf = audio_phys;
rpc.res_size = sizeof(res) - (2 * sizeof(uint32_t));
r = dal_call(acdb, ACDB_OP_IOCTL, 8, &rpc, sizeof(rpc),
&res, sizeof(res));
if ((r == sizeof(res)) && (res.dal_status == 0))
return res.used_bytes;
return -EIO;
}
static uint32_t audio_rx_path_id = ADIE_PATH_HANDSET_RX;
static uint32_t audio_rx_device_id = ADSP_AUDIO_DEVICE_ID_HANDSET_SPKR;
static uint32_t audio_rx_device_group = -1;
static uint32_t audio_tx_path_id = ADIE_PATH_HANDSET_TX;
static uint32_t audio_tx_device_id = ADSP_AUDIO_DEVICE_ID_HANDSET_MIC;
static uint32_t audio_tx_device_group = -1;
static int qdsp6_devchg_notify(struct audio_client *ac,
uint32_t dev_type, uint32_t dev_id)
{
struct adsp_device_switch_command rpc;
if (dev_type != ADSP_AUDIO_RX_DEVICE &&
dev_type != ADSP_AUDIO_TX_DEVICE)
return -EINVAL;
memset(&rpc, 0, sizeof(rpc));
rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_DEVICE_SWITCH_PREPARE;
rpc.hdr.dest = AUDIO_ADDR(DOMAIN_DSP, ac->session, 0);
rpc.hdr.src = AUDIO_ADDR(DOMAIN_APP, ac->session, 0);
if (dev_type == ADSP_AUDIO_RX_DEVICE) {
rpc.old_device = audio_rx_device_id;
rpc.new_device = dev_id;
} else {
rpc.old_device = audio_tx_device_id;
rpc.new_device = dev_id;
}
rpc.device_class = 0;
rpc.device_type = dev_type;
return audio_ioctl(ac, &rpc, sizeof(rpc));
}
static int qdsp6_standby(struct audio_client *ac)
{
return audio_command(ac, ADSP_AUDIO_IOCTL_CMD_DEVICE_SWITCH_STANDBY);
}
static int qdsp6_start(struct audio_client *ac)
{
return audio_command(ac, ADSP_AUDIO_IOCTL_CMD_DEVICE_SWITCH_COMMIT);
}
static void audio_rx_analog_enable(int en)
{
switch (audio_rx_device_id) {
case ADSP_AUDIO_DEVICE_ID_HEADSET_SPKR_MONO:
case ADSP_AUDIO_DEVICE_ID_HEADSET_SPKR_STEREO:
case ADSP_AUDIO_DEVICE_ID_TTY_HEADSET_SPKR:
if (analog_ops->headset_enable)
analog_ops->headset_enable(en);
break;
case ADSP_AUDIO_DEVICE_ID_SPKR_PHONE_MONO_W_MONO_HEADSET:
case ADSP_AUDIO_DEVICE_ID_SPKR_PHONE_MONO_W_STEREO_HEADSET:
case ADSP_AUDIO_DEVICE_ID_SPKR_PHONE_STEREO_W_MONO_HEADSET:
case ADSP_AUDIO_DEVICE_ID_SPKR_PHONE_STEREO_W_STEREO_HEADSET:
if (analog_ops->headset_enable)
analog_ops->headset_enable(en);
if (analog_ops->speaker_enable)
analog_ops->speaker_enable(en);
break;
case ADSP_AUDIO_DEVICE_ID_SPKR_PHONE_MONO:
case ADSP_AUDIO_DEVICE_ID_SPKR_PHONE_STEREO:
if (analog_ops->speaker_enable)
analog_ops->speaker_enable(en);
break;
case ADSP_AUDIO_DEVICE_ID_BT_SCO_SPKR:
if (analog_ops->bt_sco_enable)
analog_ops->bt_sco_enable(en);
break;
}
}
static void audio_tx_analog_enable(int en)
{
switch (audio_tx_device_id) {
case ADSP_AUDIO_DEVICE_ID_HANDSET_MIC:
case ADSP_AUDIO_DEVICE_ID_SPKR_PHONE_MIC:
if (analog_ops->int_mic_enable)
analog_ops->int_mic_enable(en);
break;
case ADSP_AUDIO_DEVICE_ID_HEADSET_MIC:
case ADSP_AUDIO_DEVICE_ID_TTY_HEADSET_MIC:
if (analog_ops->ext_mic_enable)
analog_ops->ext_mic_enable(en);
break;
case ADSP_AUDIO_DEVICE_ID_BT_SCO_MIC:
if (analog_ops->bt_sco_enable)
analog_ops->bt_sco_enable(en);
break;
}
}
static void _audio_rx_path_enable(void)
{
uint32_t adev, sample_rate;
int sz;
uint32_t adie_params[5];
adev = audio_rx_device_id;
sample_rate = q6_device_to_rate(adev);
sz = acdb_get_config_table(adev, sample_rate);
audio_set_table(ac_control, adev, sz);
adie_params[0] = 4*sizeof(uint32_t);
adie_params[1] = audio_rx_path_id;
adie_params[2] = ADIE_PATH_RX;
adie_params[3] = 48000;
adie_params[4] = 256;
/*check for errors here*/
if (!adie_set_path(adie, adie_params, sizeof(adie_params)))
pr_err("adie set rx path failed\n");
adie_proceed_to_stage(adie, ADIE_PATH_RX,
ADIE_STAGE_DIGITAL_READY);
adie_proceed_to_stage(adie, ADIE_PATH_RX,
ADIE_STAGE_DIGITAL_ANALOG_READY);
audio_rx_analog_enable(1);
audio_rx_mute(ac_control, adev, 0);
audio_rx_volume(ac_control, adev, q6_device_volume(adev, 100));
}
static void _audio_tx_path_enable(void)
{
uint32_t adev;
int sz;
uint32_t adie_params[5];
adev = audio_tx_device_id;
pr_info("audiolib: load %08x cfg table\n", adev);
if (tx_clk_freq > 16000) {
adie_params[3] = 48000;
sz = acdb_get_config_table(adev, 48000);
} else if (tx_clk_freq > 8000) {
adie_params[3] = 16000;
sz = acdb_get_config_table(adev, 16000);
} else {
adie_params[3] = 8000;
sz = acdb_get_config_table(adev, 8000);
}
pr_info("cfg table is %d bytes\n", sz);
audio_set_table(ac_control, adev, sz);
pr_info("audiolib: set adie tx path\n");
adie_params[0] = 4*sizeof(uint32_t);
adie_params[1] = audio_tx_path_id;
adie_params[2] = ADIE_PATH_TX;
adie_params[4] = 256;
if (!adie_set_path(adie, adie_params, sizeof(adie_params)))
pr_err("adie set tx path failed\n");
adie_proceed_to_stage(adie, ADIE_PATH_TX,
ADIE_STAGE_DIGITAL_READY);
adie_proceed_to_stage(adie, ADIE_PATH_TX,
ADIE_STAGE_DIGITAL_ANALOG_READY);
audio_tx_analog_enable(1);
audio_tx_mute(ac_control, adev, tx_mute_status);
if (!tx_mute_status)
audio_tx_volume(ac_control, adev, q6_device_volume(adev, 100));
}
static void _audio_rx_path_disable(void)
{
audio_rx_analog_enable(0);
adie_proceed_to_stage(adie, ADIE_PATH_RX, ADIE_STAGE_ANALOG_OFF);
adie_proceed_to_stage(adie, ADIE_PATH_RX, ADIE_STAGE_DIGITAL_OFF);
}
static void _audio_tx_path_disable(void)
{
audio_tx_analog_enable(0);
adie_proceed_to_stage(adie, ADIE_PATH_TX, ADIE_STAGE_ANALOG_OFF);
adie_proceed_to_stage(adie, ADIE_PATH_TX, ADIE_STAGE_DIGITAL_OFF);
}
static int icodec_rx_clk_refcount;
static int icodec_tx_clk_refcount;
static int ecodec_clk_refcount;
static int sdac_clk_refcount;
static void _audio_rx_clk_enable(void)
{
uint32_t device_group = q6_device_to_codec(audio_rx_device_id);
switch (device_group) {
case Q6_ICODEC_RX:
icodec_rx_clk_refcount++;
if (icodec_rx_clk_refcount == 1) {
clk_set_rate(icodec_rx_clk, 12288000);
clk_enable(icodec_rx_clk);
}
break;
case Q6_ECODEC_RX:
ecodec_clk_refcount++;
if (ecodec_clk_refcount == 1) {
clk_set_rate(ecodec_clk, 2048000);
clk_enable(ecodec_clk);
}
break;
case Q6_SDAC_RX:
sdac_clk_refcount++;
if (sdac_clk_refcount == 1) {
clk_set_rate(sdac_clk, 12288000);
clk_enable(sdac_clk);
}
break;
default:
return;
}
audio_rx_device_group = device_group;
}
static void _audio_tx_clk_enable(void)
{
uint32_t device_group = q6_device_to_codec(audio_tx_device_id);
switch (device_group) {
case Q6_ICODEC_TX:
icodec_tx_clk_refcount++;
if (icodec_tx_clk_refcount == 1) {
clk_set_rate(icodec_tx_clk, tx_clk_freq * 256);
clk_enable(icodec_tx_clk);
}
break;
case Q6_ECODEC_TX:
ecodec_clk_refcount++;
if (ecodec_clk_refcount == 1) {
clk_set_rate(ecodec_clk, 2048000);
clk_enable(ecodec_clk);
}
break;
case Q6_SDAC_TX:
/* TODO: In QCT BSP, clk rate was set to 20480000 */
sdac_clk_refcount++;
if (sdac_clk_refcount == 1) {
clk_set_rate(sdac_clk, 12288000);
clk_enable(sdac_clk);
}
break;
default:
return;
}
audio_tx_device_group = device_group;
}
static void _audio_rx_clk_disable(void)
{
switch (audio_rx_device_group) {
case Q6_ICODEC_RX:
icodec_rx_clk_refcount--;
if (icodec_rx_clk_refcount == 0) {
clk_disable(icodec_rx_clk);
audio_rx_device_group = -1;
}
break;
case Q6_ECODEC_RX:
ecodec_clk_refcount--;
if (ecodec_clk_refcount == 0) {
clk_disable(ecodec_clk);
audio_rx_device_group = -1;
}
break;
case Q6_SDAC_RX:
sdac_clk_refcount--;
if (sdac_clk_refcount == 0) {
clk_disable(sdac_clk);
audio_rx_device_group = -1;
}
break;
default:
pr_err("audiolib: invalid rx device group %d\n",
audio_rx_device_group);
break;
}
}
static void _audio_tx_clk_disable(void)
{
switch (audio_tx_device_group) {
case Q6_ICODEC_TX:
icodec_tx_clk_refcount--;
if (icodec_tx_clk_refcount == 0) {
clk_disable(icodec_tx_clk);
audio_tx_device_group = -1;
}
break;
case Q6_ECODEC_TX:
ecodec_clk_refcount--;
if (ecodec_clk_refcount == 0) {
clk_disable(ecodec_clk);
audio_tx_device_group = -1;
}
break;
case Q6_SDAC_TX:
sdac_clk_refcount--;
if (sdac_clk_refcount == 0) {
clk_disable(sdac_clk);
audio_tx_device_group = -1;
}
break;
default:
pr_err("audiolib: invalid tx device group %d\n",
audio_tx_device_group);
break;
}
}
static void _audio_rx_clk_reinit(uint32_t rx_device)
{
uint32_t device_group = q6_device_to_codec(rx_device);
if (device_group != audio_rx_device_group)
_audio_rx_clk_disable();
audio_rx_device_id = rx_device;
audio_rx_path_id = q6_device_to_path(rx_device);
if (device_group != audio_rx_device_group)
_audio_rx_clk_enable();
}
static void _audio_tx_clk_reinit(uint32_t tx_device)
{
uint32_t device_group = q6_device_to_codec(tx_device);
if (device_group != audio_tx_device_group)
_audio_tx_clk_disable();
audio_tx_device_id = tx_device;
audio_tx_path_id = q6_device_to_path(tx_device);
if (device_group != audio_tx_device_group)
_audio_tx_clk_enable();
}
static DEFINE_MUTEX(audio_path_lock);
static int audio_rx_path_refcount;
static int audio_tx_path_refcount;
static int audio_rx_path_enable(int en)
{
mutex_lock(&audio_path_lock);
if (en) {
audio_rx_path_refcount++;
if (audio_rx_path_refcount == 1) {
adie_enable();
_audio_rx_clk_enable();
_audio_rx_path_enable();
}
} else {
audio_rx_path_refcount--;
if (audio_rx_path_refcount == 0) {
_audio_rx_path_disable();
_audio_rx_clk_disable();
adie_disable();
}
}
mutex_unlock(&audio_path_lock);
return 0;
}
static int audio_tx_path_enable(int en)
{
mutex_lock(&audio_path_lock);
if (en) {
audio_tx_path_refcount++;
if (audio_tx_path_refcount == 1) {
adie_enable();
_audio_tx_clk_enable();
_audio_tx_path_enable();
}
} else {
audio_tx_path_refcount--;
if (audio_tx_path_refcount == 0) {
_audio_tx_path_disable();
_audio_tx_clk_disable();
adie_disable();
}
}
mutex_unlock(&audio_path_lock);
return 0;
}
int q6audio_update_acdb(uint32_t id_src, uint32_t id_dst)
{
mutex_lock(&audio_path_lock);
mutex_unlock(&audio_path_lock);
return 0;
}
int q6audio_set_tx_mute(int mute)
{
uint32_t adev;
int rc;
if (q6audio_init())
return 0;
mutex_lock(&audio_path_lock);
if (mute == tx_mute_status) {
mutex_unlock(&audio_path_lock);
return 0;
}
adev = audio_tx_device_id;
rc = audio_tx_mute(ac_control, adev, mute);
if (!rc)
tx_mute_status = mute;
mutex_unlock(&audio_path_lock);
return 0;
}
int q6audio_set_rx_volume(int level)
{
uint32_t adev;
int vol;
if (q6audio_init())
return 0;
if (level < 0 || level > 100)
return -EINVAL;
mutex_lock(&audio_path_lock);
adev = audio_rx_device_id;
vol = q6_device_volume(adev, level);
audio_rx_mute(ac_control, adev, 0);
audio_rx_volume(ac_control, adev, vol);
mutex_unlock(&audio_path_lock);
return 0;
}
static void do_rx_routing(uint32_t device_id)
{
int sz;
uint32_t sample_rate;
if (device_id == audio_rx_device_id)
return;
if (audio_rx_path_refcount > 0) {
qdsp6_devchg_notify(ac_control, ADSP_AUDIO_RX_DEVICE,
device_id);
_audio_rx_path_disable();
_audio_rx_clk_reinit(device_id);
_audio_rx_path_enable();
} else {
sample_rate = q6_device_to_rate(device_id);
sz = acdb_get_config_table(device_id, sample_rate);
if (sz < 0)
pr_err("could not get ACDB config table\n");
audio_set_table(ac_control, device_id, sz);
qdsp6_devchg_notify(ac_control, ADSP_AUDIO_RX_DEVICE,
device_id);
qdsp6_standby(ac_control);
qdsp6_start(ac_control);
audio_rx_device_id = device_id;
audio_rx_path_id = q6_device_to_path(device_id);
}
}
static void do_tx_routing(uint32_t device_id)
{
int sz;
uint32_t sample_rate;
if (device_id == audio_tx_device_id)
return;
if (audio_tx_path_refcount > 0) {
qdsp6_devchg_notify(ac_control, ADSP_AUDIO_TX_DEVICE,
device_id);
_audio_tx_path_disable();
_audio_tx_clk_reinit(device_id);
_audio_tx_path_enable();
} else {
sample_rate = q6_device_to_rate(device_id);
sz = acdb_get_config_table(device_id, sample_rate);
audio_set_table(ac_control, device_id, sz);
qdsp6_devchg_notify(ac_control, ADSP_AUDIO_TX_DEVICE,
device_id);
qdsp6_standby(ac_control);
qdsp6_start(ac_control);
audio_tx_device_id = device_id;
audio_tx_path_id = q6_device_to_path(device_id);
}
}
int q6audio_do_routing(uint32_t device_id)
{
if (q6audio_init())
return 0;
mutex_lock(&audio_path_lock);
switch (q6_device_to_dir(device_id)) {
case Q6_RX:
do_rx_routing(device_id);
break;
case Q6_TX:
do_tx_routing(device_id);
break;
}
mutex_unlock(&audio_path_lock);
return 0;
}
int q6audio_set_route(const char *name)
{
uint32_t route;
if (!strcmp(name, "speaker"))
route = ADIE_PATH_SPEAKER_STEREO_RX;
else if (!strcmp(name, "headphones"))
route = ADIE_PATH_HEADSET_STEREO_RX;
else if (!strcmp(name, "handset"))
route = ADIE_PATH_HANDSET_RX;
else
return -EINVAL;
mutex_lock(&audio_path_lock);
if (route == audio_rx_path_id)
goto done;
audio_rx_path_id = route;
if (audio_rx_path_refcount > 0) {
_audio_rx_path_disable();
_audio_rx_path_enable();
}
if (audio_tx_path_refcount > 0) {
_audio_tx_path_disable();
_audio_tx_path_enable();
}
done:
mutex_unlock(&audio_path_lock);
return 0;
}
struct audio_client *q6audio_open(uint32_t flags, uint32_t bufsz)
{
struct audio_client *ac;
if (q6audio_init())
return 0;
ac = audio_client_alloc(bufsz);
if (!ac)
return 0;
ac->flags = flags;
if (ac->flags & AUDIO_FLAG_WRITE)
audio_rx_path_enable(1);
else
audio_tx_path_enable(1);
return ac;
}
int q6audio_start(struct audio_client *ac, void *rpc,
uint32_t len)
{
audio_ioctl(ac, rpc, len);
audio_command(ac, ADSP_AUDIO_IOCTL_CMD_SESSION_START);
if (!(ac->flags & AUDIO_FLAG_WRITE)) {
ac->buf[0].used = 1;
ac->buf[1].used = 1;
q6audio_read(ac, &ac->buf[0]);
q6audio_read(ac, &ac->buf[1]);
}
audio_prevent_sleep();
return 0;
}
int q6audio_close(struct audio_client *ac)
{
audio_close(ac);
if (ac->flags & AUDIO_FLAG_WRITE)
audio_rx_path_enable(0);
else
audio_tx_path_enable(0);
audio_client_free(ac);
audio_allow_sleep();
return 0;
}
struct audio_client *q6voice_open(void)
{
struct audio_client *ac;
if (q6audio_init())
return 0;
ac = audio_client_alloc(0);
if (!ac)
return 0;
return ac;
}
int q6voice_setup(void)
{
audio_rx_path_enable(1);
tx_clk_freq = 8000;
audio_tx_path_enable(1);
return 0;
}
int q6voice_teardown(void)
{
audio_rx_path_enable(0);
audio_tx_path_enable(0);
return 0;
}
int q6voice_close(struct audio_client *ac)
{
audio_client_free(ac);
return 0;
}
int q6audio_async(struct audio_client *ac)
{
struct adsp_command_hdr rpc;
memset(&rpc, 0, sizeof(rpc));
rpc.opcode = ADSP_AUDIO_IOCTL_CMD_STREAM_EOS;
rpc.response_type = ADSP_AUDIO_RESPONSE_ASYNC;
return audio_ioctl(ac, &rpc, sizeof(rpc));
}