android/android_kernel_cmhtcleo
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
e34adb00cb
android_kernel_cmhtcleo/arch/arm/mach-msm/qdsp6/q6audio.c
Markinus e34adb00cb Add EVOs source as default
2010-08-27 11:19:57 +02:00

1858 lines
43 KiB
C
Raw Blame History

/* arch/arm/mach-msm/qdsp6/q6audio.c
*
* Copyright (C) 2009 Google, Inc.
* 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/firmware.h>
#include <linux/miscdevice.h>
#include "dal.h"
#include "dal_audio.h"
#include "dal_audio_format.h"
#include "dal_acdb.h"
#include "dal_adie.h"
#include <mach/msm_qdsp6_audio.h>
#include <mach/htc_acoustic_qsd.h>
#include <mach/msm_audio_qcp.h>
#include <linux/gpio.h>
#include "q6audio_devices.h"
#if 0
#define TRACE(x...) pr_info("Q6: "x)
#else
#define TRACE(x...) do{}while(0)
#endif
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 wake_lock wakelock;
static struct wake_lock idlelock;
static int idlecount;
static DEFINE_MUTEX(idlecount_lock);
void audio_prevent_sleep(void)
{
mutex_lock(&idlecount_lock);
if (++idlecount == 1) {
wake_lock(&wakelock);
wake_lock(&idlelock);
}
mutex_unlock(&idlecount_lock);
}
void audio_allow_sleep(void)
{
mutex_lock(&idlecount_lock);
if (--idlecount == 0) {
wake_unlock(&idlelock);
wake_unlock(&wakelock);
}
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;
static uint32_t tx_clk_freq = 8000;
static int tx_mute_status = 0;
static int rx_vol_level = 100;
static char acdb_file[64] = "default.acdb";
static uint32_t tx_acdb = 0;
static uint32_t rx_acdb = 0;
void q6audio_register_analog_ops(struct q6audio_analog_ops *ops)
{
analog_ops = ops;
}
void q6audio_set_acdb_file(char* filename)
{
if (filename)
strncpy(acdb_file, filename, sizeof(acdb_file)-1);
}
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);
if (analog_ops->get_rx_vol)
return analog_ops->get_rx_vol(di->hw, level);
else {
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 id, uint32_t path_type)
{
return dal_call_f1(client, ADIE_OP_SET_PATH, id, path_type);
}
static inline int adie_set_path_freq_plan(struct dal_client *client,
uint32_t path_type, uint32_t plan)
{
return dal_call_f1(client, ADIE_OP_SET_PATH_FREQUENCY_PLAN,
path_type, plan);
}
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 inline int adie_mute_path(struct dal_client *client,
uint32_t path_type, uint32_t mute_state)
{
return dal_call_f1(client, ADIE_OP_MUTE_PATH, path_type, mute_state);
}
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.
*/
static void *audio_data;
static dma_addr_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)
dma_free_coherent(NULL, ac->buf[0].size,
ac->buf[0].data, ac->buf[0].phys);
if (ac->buf[1].data)
dma_free_coherent(NULL, ac->buf[1].size,
ac->buf[1].data, 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].data = dma_alloc_coherent(NULL, bufsz,
&ac->buf[0].phys, GFP_KERNEL);
if (!ac->buf[0].data)
goto fail;
ac->buf[1].data = dma_alloc_coherent(NULL, bufsz,
&ac->buf[1].phys, GFP_KERNEL);
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:
session_free(n, ac);
fail_session:
audio_client_free(ac);
return 0;
}
void audio_client_dump(struct audio_client *ac)
{
dal_trace_dump(ac->client);
}
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->dst = AUDIO_ADDR(ac->session, 0, AUDIO_DOMAIN_DSP);
hdr->src = AUDIO_ADDR(ac->session, 0, AUDIO_DOMAIN_MODEM);
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;
if (!wait_event_timeout(ac->wait, (ac->cb_status != -EBUSY), 5*HZ)) {
dal_trace_dump(ac->client);
pr_err("audio_ioctl: timeout. dsp dead?\n");
BUG();
}
return ac->cb_status;
}
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;
return audio_ioctl(ac, &rpc, sizeof(rpc));
}
static int audio_out_open(struct audio_client *ac, uint32_t bufsz,
uint32_t rate, uint32_t channels)
{
struct adsp_open_command rpc;
memset(&rpc, 0, sizeof(rpc));
rpc.format.standard.format = ADSP_AUDIO_FORMAT_PCM;
rpc.format.standard.channels = channels;
rpc.format.standard.bits_per_sample = 16;
rpc.format.standard.sampling_rate = rate;
rpc.format.standard.is_signed = 1;
rpc.format.standard.is_interleaved = 1;
rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_OPEN_WRITE;
rpc.device = ADSP_AUDIO_DEVICE_ID_DEFAULT;
rpc.stream_context = ADSP_AUDIO_DEVICE_CONTEXT_PLAYBACK;
rpc.buf_max_size = bufsz;
TRACE("open out %p\n", ac);
return audio_ioctl(ac, &rpc, sizeof(rpc));
}
static int audio_in_open(struct audio_client *ac, uint32_t bufsz,
uint32_t rate, uint32_t channels)
{
struct adsp_open_command rpc;
memset(&rpc, 0, sizeof(rpc));
rpc.format.standard.format = ADSP_AUDIO_FORMAT_PCM;
rpc.format.standard.channels = channels;
rpc.format.standard.bits_per_sample = 16;
rpc.format.standard.sampling_rate = rate;
rpc.format.standard.is_signed = 1;
rpc.format.standard.is_interleaved = 1;
rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_OPEN_READ;
rpc.device = ADSP_AUDIO_DEVICE_ID_DEFAULT;
rpc.stream_context = ADSP_AUDIO_DEVICE_CONTEXT_RECORD;
rpc.buf_max_size = bufsz;
TRACE("%p: open in\n", ac);
return audio_ioctl(ac, &rpc, sizeof(rpc));
}
static int audio_mp3_open(struct audio_client *ac, uint32_t bufsz,
uint32_t rate, uint32_t channels)
{
struct adsp_open_command rpc;
memset(&rpc, 0, sizeof(rpc));
rpc.format.standard.format = ADSP_AUDIO_FORMAT_MP3;
rpc.format.standard.channels = channels;
rpc.format.standard.bits_per_sample = 16;
rpc.format.standard.sampling_rate = rate;
rpc.format.standard.is_signed = 1;
rpc.format.standard.is_interleaved = 0;
rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_OPEN_WRITE;
rpc.device = ADSP_AUDIO_DEVICE_ID_DEFAULT;
rpc.stream_context = ADSP_AUDIO_DEVICE_CONTEXT_PLAYBACK;
rpc.buf_max_size = bufsz;
return audio_ioctl(ac, &rpc, sizeof(rpc));
}
static int audio_aac_open(struct audio_client *ac, uint32_t bufsz,
void *data)
{
struct aac_format *af = data;
struct adsp_open_command rpc;
uint32_t *aac_type;
int idx = sizeof(uint32_t);
struct adsp_audio_binary_format *fmt = &(rpc.format.binary);
memset(&rpc, 0, sizeof(rpc));
fmt->format = ADSP_AUDIO_FORMAT_MPEG4_AAC;
aac_type = (uint32_t *)(fmt->data);
switch (af->block_formats) {
case 0xffff:
if (ac->flags & AUDIO_FLAG_WRITE)
*aac_type = ADSP_AUDIO_AAC_ADTS;
else
*aac_type = ADSP_AUDIO_AAC_MPEG4_ADTS;
break;
case 0:
if (ac->flags & AUDIO_FLAG_WRITE)
*aac_type = ADSP_AUDIO_AAC_ADIF;
else
*aac_type = ADSP_AUDIO_AAC_RAW;
break;
case 1:
*aac_type = ADSP_AUDIO_AAC_RAW;
break;
case 2:
*aac_type = ADSP_AUDIO_AAC_LOAS;
break;
case 3:
*aac_type = ADSP_AUDIO_AAC_FRAMED_RAW;
break;
case 4:
*aac_type = ADSP_AUDIO_AAC_RAW;
break;
default:
pr_err("unsupported AAC type %d\n", af->block_formats);
return -EINVAL;
}
TRACE("aac_open: type %x, obj %d, idx %d\n",
*aac_type, af->audio_object_type, idx);
fmt->data[idx++] = (u8)(((af->audio_object_type & 0x1F) << 3) |
((af->sample_rate >> 1) & 0x7));
fmt->data[idx] = (u8)(((af->sample_rate & 0x1) << 7) |
((af->channel_config & 0x7) << 3));
switch (af->audio_object_type) {
case AAC_OBJECT_ER_LC:
case AAC_OBJECT_ER_LTP:
case AAC_OBJECT_ER_LD:
/* extension flag */
fmt->data[idx++] |= 0x1;
fmt->data[idx] = (u8)(
((af->aac_section_data_resilience_flag & 0x1) << 7) |
((af->aac_scalefactor_data_resilience_flag & 0x1) << 6) |
((af->aac_spectral_data_resilience_flag & 0x1) << 5) |
((af->ep_config & 0x3) << 2));
break;
case AAC_OBJECT_ER_SCALABLE:
fmt->data[idx++] |= 0x1;
/* extension flag */
fmt->data[idx++] = (u8)(
((af->aac_section_data_resilience_flag & 0x1) << 4) |
((af->aac_scalefactor_data_resilience_flag & 0x1) << 3) |
((af->aac_spectral_data_resilience_flag & 0x1) << 2) |
((af->ep_config >> 1) & 0x1));
fmt->data[idx] = (u8)((af->ep_config & 0x1)
<< 7);
break;
case AAC_OBJECT_BSAC:
fmt->data[++idx] = (u8)((af->ep_config & 0x3)
<< 6);
break;
default:
pr_err("dbg unknown object type \n");
break;
}
fmt->num_bytes = idx + 1;
TRACE("aac_open: format %x%x %x%x%x%x %x%x, \n",
fmt->data[0], fmt->data[1], fmt->data[2], fmt->data[3],
fmt->data[4], fmt->data[5], fmt->data[6], fmt->data[7]);
rpc.device = ADSP_AUDIO_DEVICE_ID_DEFAULT;
rpc.config.aac.bit_rate = af->bit_rate;
if (ac->flags & AUDIO_FLAG_WRITE) {
rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_OPEN_WRITE;
rpc.stream_context = ADSP_AUDIO_DEVICE_CONTEXT_PLAYBACK;
} else {
rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_OPEN_READ;
rpc.stream_context = ADSP_AUDIO_DEVICE_CONTEXT_RECORD;
}
if ((af->sbr_on_flag == 0) && (af->sbr_ps_on_flag == 0)) {
rpc.config.aac.encoder_mode =
ADSP_AUDIO_ENC_AAC_LC_ONLY_MODE;
} else if ((af->sbr_on_flag == 1) && (af->sbr_ps_on_flag == 0)) {
rpc.config.aac.encoder_mode =
ADSP_AUDIO_ENC_AAC_PLUS_MODE;
} else if ((af->sbr_on_flag == 1) && (af->sbr_ps_on_flag == 1)) {
rpc.config.aac.encoder_mode =
ADSP_AUDIO_ENC_ENHANCED_AAC_PLUS_MODE;
} else {
pr_err("unsupported SBR flag\n");
return -EINVAL;
}
rpc.buf_max_size = bufsz; /* XXX ??? */
rpc.hdr.response_type = 0;
TRACE("aac_open: opcode %x, stream_context 0x%x, "
"mode %d, bytes %d, bbuffer size %d\n",
rpc.hdr.opcode, rpc.stream_context,
rpc.config.aac.encoder_mode, fmt->num_bytes, bufsz);
return audio_ioctl(ac, &rpc, sizeof(rpc));
}
static int audio_qcelp_open(struct audio_client *ac, uint32_t bufsz,
void *data)
{
struct msm_audio_qcelp_config *qf = data;
struct adsp_open_command rpc;
struct adsp_audio_standard_format *fmt = &(rpc.format.standard);
memset(&rpc, 0, sizeof(rpc));
fmt->format = ADSP_AUDIO_FORMAT_V13K_FS;
fmt->sampling_rate = 8000;
fmt->channels = 1;
fmt->bits_per_sample = 16;
fmt->is_signed = 1;
fmt->is_interleaved = 0;
rpc.device = ADSP_AUDIO_DEVICE_ID_DEFAULT;
rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_OPEN_READ;
rpc.stream_context = ADSP_AUDIO_DEVICE_CONTEXT_RECORD;
rpc.config.qcelp13k.min_rate = (uint16_t) qf->min_bit_rate;
rpc.config.qcelp13k.max_rate = (uint16_t) qf->max_bit_rate;
rpc.buf_max_size = bufsz; /* XXX ??? */
return audio_ioctl(ac, &rpc, sizeof(rpc));
}
static int audio_close(struct audio_client *ac)
{
TRACE("%p: close\n", 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;
if (q6_device_to_dir(device_id) == Q6_TX)
rpc.hdr.data = tx_clk_freq;
rpc.device_id = device_id;
rpc.phys_addr = audio_phys;
rpc.phys_size = size;
rpc.phys_used = size;
TRACE("control: set table %x\n", device_id);
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.dst = AUDIO_ADDR(ac->session, 0, AUDIO_DOMAIN_DSP);
rpc.hdr.src = AUDIO_ADDR(ac->session, 0, AUDIO_DOMAIN_MODEM);
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->used;
TRACE("%p: read\n", ac);
r = dal_call(ac->client, AUDIO_OP_DATA, 5, &rpc, sizeof(rpc),
&res, sizeof(res));
return 0;
}
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.dst = AUDIO_ADDR(ac->session, 0, AUDIO_DOMAIN_DSP);
rpc.hdr.src = AUDIO_ADDR(ac->session, 0, AUDIO_DOMAIN_MODEM);
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->used;
TRACE("%p: write\n", ac);
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.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.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.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.device_id = dev_id;
rpc.path = ADSP_PATH_TX;
rpc.mute = !!mute;
return audio_ioctl(ac, &rpc, sizeof(rpc));
}
static int audio_stream_volume(struct audio_client *ac, int volume)
{
struct adsp_set_volume_command rpc;
int rc;
memset(&rpc, 0, sizeof(rpc));
rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_SET_STREAM_VOL;
rpc.volume = volume;
rc = audio_ioctl(ac, &rpc, sizeof(rpc));
return rc;
}
static int audio_stream_mute(struct audio_client *ac, int mute)
{
struct adsp_set_mute_command rpc;
int rc;
memset(&rpc, 0, sizeof(rpc));
rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_SET_STREAM_MUTE;
rpc.mute = mute;
rc = audio_ioctl(ac, &rpc, sizeof(rpc));
return rc;
}
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;
TRACE("audio callback: context %d, event 0x%x, status %d\n",
e->context, e->event_id, e->status);
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) {
TRACE("%p: CB stream eos\n", ac);
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) {
TRACE("%p: CB done (%d)\n", ac, e->status);
TRACE("%p: actual_size %d, buffer_size %d\n",
ac, abe->buffer.actual_size, ac->buf[ac->dsp_buf].size);
if (e->status)
pr_err("buffer status %d\n", e->status);
ac->buf[ac->dsp_buf].used = 0;
ac->dsp_buf ^= 1;
wake_up(&ac->wait);
return;
}
TRACE("%p: CB %08x status %d\n", ac, e->event_id, e->status);
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] = 1;
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;
mutex_lock(&audio_lock);
if (ac_control) {
res = 0;
goto done;
}
pr_info("audio: init: codecs\n");
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");
audio_data = dma_alloc_coherent(NULL, 4096, &audio_phys, GFP_KERNEL);
adsp = dal_attach(AUDIO_DAL_DEVICE, AUDIO_DAL_PORT,
callback, 0);
if (!adsp) {
pr_err("audio_init: cannot attach to adsp\n");
res = -ENODEV;
goto done;
}
pr_info("audio: init: INIT\n");
audio_init(adsp);
dal_trace(adsp);
ac = audio_client_alloc(0);
if (!ac) {
pr_err("audio_init: cannot allocate client\n");
res = -ENOMEM;
goto done;
}
pr_info("audio: init: OPEN control\n");
if (audio_open_control(ac)) {
pr_err("audio_init: cannot open control channel\n");
res = -ENODEV;
goto done;
}
pr_info("audio: init: attach ACDB\n");
acdb = dal_attach(ACDB_DAL_DEVICE, ACDB_DAL_PORT, 0, 0);
if (!acdb) {
pr_err("audio_init: cannot attach to acdb channel\n");
res = -ENODEV;
goto done;
}
pr_info("audio: init: attach ADIE\n");
adie = dal_attach(ADIE_DAL_DEVICE, ADIE_DAL_PORT, 0, 0);
if (!adie) {
pr_err("audio_init: cannot attach to adie\n");
res = -ENODEV;
goto done;
}
if (analog_ops->init)
analog_ops->init();
res = 0;
ac_control = ac;
wake_lock_init(&idlelock, WAKE_LOCK_IDLE, "audio_pcm_idle");
wake_lock_init(&wakelock, WAKE_LOCK_SUSPEND, "audio_pcm_suspend");
done:
if ((res < 0) && ac)
audio_client_free(ac);
mutex_unlock(&audio_lock);
return res;
}
struct audio_config_data {
uint32_t device_id;
uint32_t sample_rate;
uint32_t offset;
uint32_t length;
};
struct audio_config_database {
uint8_t magic[8];
uint32_t entry_count;
uint32_t unused;
struct audio_config_data entry[0];
};
void *acdb_data;
const struct firmware *acdb_fw;
extern struct miscdevice q6_control_device;
static int acdb_init(char *filename)
{
const struct audio_config_database *db;
const struct firmware *fw;
int n;
pr_info("acdb: load '%s'\n", filename);
if (request_firmware(&fw, filename, q6_control_device.this_device) < 0) {
pr_err("acdb: load 'default.acdb' failed...\n");
return -ENODEV;
}
db = (void*) fw->data;
if (fw->size < sizeof(struct audio_config_database)) {
pr_err("acdb: undersized database\n");
goto fail;
}
if (strcmp(db->magic, "ACDB1.0")) {
pr_err("acdb: invalid magic\n");
goto fail;
}
if (db->entry_count > 1024) {
pr_err("acdb: too many entries\n");
goto fail;
}
if (fw->size < (sizeof(struct audio_config_database) +
db->entry_count * sizeof(struct audio_config_data))) {
pr_err("acdb: undersized TOC\n");
goto fail;
}
for (n = 0; n < db->entry_count; n++) {
if (db->entry[n].length > 4096) {
pr_err("acdb: entry %d too large (%d)\n",
n, db->entry[n].length);
goto fail;
}
if ((db->entry[n].offset + db->entry[n].length) > fw->size) {
pr_err("acdb: entry %d outside of data\n", n);
goto fail;
}
}
if (acdb_data)
release_firmware(acdb_fw);
acdb_data = (void*) fw->data;
acdb_fw = fw;
return 0;
fail:
release_firmware(fw);
return -ENODEV;
}
static int acdb_get_config_table(uint32_t device_id, uint32_t sample_rate)
{
struct audio_config_database *db;
int n, res;
if (q6audio_init())
return 0;
if (!acdb_data) {
res = acdb_init(acdb_file);
if (res)
return res;
}
db = acdb_data;
for (n = 0; n < db->entry_count; n++) {
if (db->entry[n].device_id != device_id)
continue;
if (db->entry[n].sample_rate != sample_rate)
continue;
break;
}
if (n == db->entry_count) {
pr_err("acdb: no entry for device %d, rate %d.\n",
device_id, sample_rate);
return 0;
}
pr_info("acdb: %d bytes for device %d, rate %d.\n",
db->entry[n].length, device_id, sample_rate);
memcpy(audio_data, acdb_data + db->entry[n].offset, db->entry[n].length);
return db->entry[n].length;
}
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;
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;
case ADSP_AUDIO_DEVICE_ID_HANDSET_SPKR:
if (analog_ops->receiver_enable)
analog_ops->receiver_enable(en);
break;
case ADSP_AUDIO_DEVICE_ID_I2S_SPKR:
if (analog_ops->i2s_enable)
analog_ops->i2s_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 int audio_update_acdb(uint32_t adev, uint32_t acdb_id)
{
uint32_t sample_rate;
int sz = -1;
sample_rate = q6_device_to_rate(adev);
if (q6_device_to_dir(adev) == Q6_RX)
rx_acdb = acdb_id;
else
tx_acdb = acdb_id;
if (acdb_id != 0)
sz = acdb_get_config_table(acdb_id, sample_rate);
if (sz <= 0) {
acdb_id = q6_device_to_cad_id(adev);
sz = acdb_get_config_table(acdb_id, sample_rate);
if (sz <= 0)
return -EINVAL;
}
if (sz > 0)
audio_set_table(ac_control, adev, sz);
return 0;
}
static void _audio_rx_path_enable(int reconf, uint32_t acdb_id)
{
adie_enable();
adie_set_path(adie, audio_rx_path_id, ADIE_PATH_RX);
adie_set_path_freq_plan(adie, ADIE_PATH_RX, 48000);
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_update_acdb(audio_rx_device_id, acdb_id);
if (!reconf)
qdsp6_devchg_notify(ac_control, ADSP_AUDIO_RX_DEVICE, audio_rx_device_id);
qdsp6_standby(ac_control);
qdsp6_start(ac_control);
audio_rx_analog_enable(1);
}
static void _audio_tx_path_enable(int reconf, uint32_t acdb_id)
{
audio_tx_analog_enable(1);
adie_enable();
adie_set_path(adie, audio_tx_path_id, ADIE_PATH_TX);
if (tx_clk_freq > 8000)
adie_set_path_freq_plan(adie, ADIE_PATH_TX, 48000);
else
adie_set_path_freq_plan(adie, ADIE_PATH_TX, 8000);
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_update_acdb(audio_tx_device_id, acdb_id);
if (!reconf)
qdsp6_devchg_notify(ac_control, ADSP_AUDIO_TX_DEVICE, audio_tx_device_id);
qdsp6_standby(ac_control);
qdsp6_start(ac_control);
audio_tx_mute(ac_control, audio_tx_device_id, tx_mute_status);
}
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);
adie_disable();
}
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);
adie_disable();
}
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, uint32_t acdb_id)
{
mutex_lock(&audio_path_lock);
if (en) {
audio_rx_path_refcount++;
if (audio_rx_path_refcount == 1) {
_audio_rx_clk_enable();
_audio_rx_path_enable(0, acdb_id);
}
} else {
audio_rx_path_refcount--;
if (audio_rx_path_refcount == 0) {
_audio_rx_path_disable();
_audio_rx_clk_disable();
}
}
mutex_unlock(&audio_path_lock);
return 0;
}
static int audio_tx_path_enable(int en, uint32_t acdb_id)
{
mutex_lock(&audio_path_lock);
if (en) {
audio_tx_path_refcount++;
if (audio_tx_path_refcount == 1) {
_audio_tx_clk_enable();
_audio_tx_path_enable(0, acdb_id);
}
} else {
audio_tx_path_refcount--;
if (audio_tx_path_refcount == 0) {
_audio_tx_path_disable();
_audio_tx_clk_disable();
}
}
mutex_unlock(&audio_path_lock);
return 0;
}
int q6audio_reinit_acdb(char* filename) {
int res;
if (q6audio_init())
return 0;
mutex_lock(&audio_path_lock);
if (strlen(filename) < 0) {
res = -EINVAL;
goto done;
}
res = acdb_init(filename);
if (!res)
strcpy(acdb_file, filename);
done:
mutex_unlock(&audio_path_lock);
return res;
}
int q6audio_update_acdb(uint32_t id_src, uint32_t id_dst)
{
int res;
if (q6audio_init())
return 0;
mutex_lock(&audio_path_lock);
res = audio_update_acdb(id_dst, id_src);
if (res)
goto done;
if (q6_device_to_dir(id_dst) == Q6_RX)
qdsp6_devchg_notify(ac_control, ADSP_AUDIO_RX_DEVICE, id_dst);
else
qdsp6_devchg_notify(ac_control, ADSP_AUDIO_TX_DEVICE, id_dst);
qdsp6_standby(ac_control);
qdsp6_start(ac_control);
done:
mutex_unlock(&audio_path_lock);
return res;
}
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_stream_volume(struct audio_client *ac, int vol)
{
if (vol > 1200 || vol < -4000) {
pr_err("unsupported volume level %d\n", vol);
return -EINVAL;
}
mutex_lock(&audio_path_lock);
audio_stream_mute(ac, 0);
audio_stream_volume(ac, vol);
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 = ADSP_AUDIO_DEVICE_ID_VOICE;
vol = q6_device_volume(audio_rx_device_id, level);
audio_rx_mute(ac_control, adev, 0);
audio_rx_volume(ac_control, adev, vol);
rx_vol_level = level;
mutex_unlock(&audio_path_lock);
return 0;
}
static void do_rx_routing(uint32_t device_id, uint32_t acdb_id)
{
if (device_id == audio_rx_device_id) {
if (acdb_id != rx_acdb) {
audio_update_acdb(device_id, acdb_id);
qdsp6_devchg_notify(ac_control, ADSP_AUDIO_RX_DEVICE, device_id);
qdsp6_standby(ac_control);
qdsp6_start(ac_control);
}
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(1, acdb_id);
} else {
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, uint32_t acdb_id)
{
if (device_id == audio_tx_device_id) {
if (acdb_id != tx_acdb) {
audio_update_acdb(device_id, acdb_id);
qdsp6_devchg_notify(ac_control, ADSP_AUDIO_TX_DEVICE, device_id);
qdsp6_standby(ac_control);
qdsp6_start(ac_control);
}
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(1, acdb_id);
} else {
audio_tx_device_id = device_id;
audio_tx_path_id = q6_device_to_path(device_id);
}
}
int q6audio_do_routing(uint32_t device_id, uint32_t acdb_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, acdb_id);
break;
case Q6_TX:
do_tx_routing(device_id, acdb_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(1, 0);
}
if (audio_tx_path_refcount > 0) {
_audio_tx_path_disable();
_audio_tx_path_enable(1, 0);
}
done:
mutex_unlock(&audio_path_lock);
return 0;
}
struct audio_client *q6audio_open_pcm(uint32_t bufsz, uint32_t rate,
uint32_t channels, uint32_t flags, uint32_t acdb_id)
{
int rc, retry = 5;
struct audio_client *ac;
if (q6audio_init())
return 0;
ac = audio_client_alloc(bufsz);
if (!ac)
return 0;
ac->flags = flags;
mutex_lock(&audio_path_lock);
if (ac->flags & AUDIO_FLAG_WRITE) {
audio_rx_path_refcount++;
if (audio_rx_path_refcount == 1) {
_audio_rx_clk_enable();
audio_update_acdb(audio_rx_device_id, acdb_id);
qdsp6_devchg_notify(ac_control, ADSP_AUDIO_RX_DEVICE, audio_rx_device_id);
qdsp6_standby(ac_control);
qdsp6_start(ac_control);
}
} else {
/* TODO: consider concurrency with voice call */
tx_clk_freq = rate;
audio_tx_path_refcount++;
if (audio_tx_path_refcount == 1) {
_audio_tx_clk_enable();
_audio_tx_path_enable(0, acdb_id);
}
}
for (retry = 5;;retry--) {
if (ac->flags & AUDIO_FLAG_WRITE)
rc = audio_out_open(ac, bufsz, rate, channels);
else
rc = audio_in_open(ac, bufsz, rate, channels);
if (rc == 0)
break;
if (retry == 0)
BUG();
pr_err("q6audio: open pcm error %d, retrying\n", rc);
msleep(1);
}
if (ac->flags & AUDIO_FLAG_WRITE) {
if (audio_rx_path_refcount == 1) {
adie_enable();
adie_set_path(adie, audio_rx_path_id, ADIE_PATH_RX);
adie_set_path_freq_plan(adie, ADIE_PATH_RX, 48000);
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);
}
}
mutex_unlock(&audio_path_lock);
for (retry = 5;;retry--) {
rc = audio_command(ac, ADSP_AUDIO_IOCTL_CMD_SESSION_START);
if (rc == 0)
break;
if (retry == 0)
BUG();
pr_err("q6audio: stream start error %d, retrying\n", rc);
}
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 ac;
}
int q6audio_close(struct audio_client *ac)
{
audio_close(ac);
if (ac->flags & AUDIO_FLAG_WRITE)
audio_rx_path_enable(0, 0);
else
audio_tx_path_enable(0, 0);
audio_client_free(ac);
audio_allow_sleep();
return 0;
}
struct audio_client *q6voice_open(uint32_t flags, uint32_t acdb_id)
{
struct audio_client *ac;
if (q6audio_init())
return 0;
ac = audio_client_alloc(0);
if (!ac)
return 0;
ac->flags = flags;
if (ac->flags & AUDIO_FLAG_WRITE) {
audio_rx_path_enable(1, acdb_id);
audio_rx_mute(ac_control, ADSP_AUDIO_DEVICE_ID_VOICE, 0);
} else {
tx_clk_freq = 8000;
audio_tx_path_enable(1, acdb_id);
}
return ac;
}
int q6voice_close(struct audio_client *ac)
{
if (ac->flags & AUDIO_FLAG_WRITE) {
audio_rx_mute(ac_control, ADSP_AUDIO_DEVICE_ID_VOICE, 1);
audio_rx_path_enable(0, 0);
} else
audio_tx_path_enable(0, 0);
audio_client_free(ac);
return 0;
}
struct audio_client *q6audio_open_mp3(uint32_t bufsz, uint32_t rate,
uint32_t channels, uint32_t acdb_id)
{
struct audio_client *ac;
printk("q6audio_open_mp3()\n");
if (q6audio_init())
return 0;
ac = audio_client_alloc(bufsz);
if (!ac)
return 0;
ac->flags = AUDIO_FLAG_WRITE;
audio_rx_path_enable(1, acdb_id);
audio_mp3_open(ac, bufsz, rate, channels);
audio_command(ac, ADSP_AUDIO_IOCTL_CMD_SESSION_START);
return ac;
}
int q6audio_mp3_close(struct audio_client *ac)
{
audio_close(ac);
audio_rx_path_enable(0, 0);
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));
}
struct audio_client *q6audio_open_aac(uint32_t bufsz, uint32_t rate,
uint32_t flags, void *data, uint32_t acdb_id)
{
struct audio_client *ac;
TRACE("q6audio_open_aac flags=%d rate=%d\n", flags, rate);
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, acdb_id);
else {
/* TODO: consider concourrency with voice call */
tx_clk_freq = rate;
audio_tx_path_enable(1, acdb_id);
}
audio_aac_open(ac, bufsz, data);
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 ac;
}
int q6audio_aac_close(struct audio_client *ac)
{
audio_close(ac);
if (ac->flags & AUDIO_FLAG_WRITE)
audio_rx_path_enable(0, 0);
else
audio_tx_path_enable(0, 0);
audio_client_free(ac);
audio_allow_sleep();
return 0;
}
struct audio_client *q6fm_open(void)
{
struct audio_client *ac;
printk("q6fm_open()\n");
if (q6audio_init())
return 0;
if (audio_rx_device_id != ADSP_AUDIO_DEVICE_ID_HEADSET_SPKR_STEREO &&
audio_rx_device_id != ADSP_AUDIO_DEVICE_ID_SPKR_PHONE_MONO)
return 0;
ac = audio_client_alloc(0);
if (!ac)
return 0;
ac->flags = AUDIO_FLAG_WRITE;
audio_rx_path_enable(1, 0);
enable_aux_loopback(1);
return ac;
}
int q6fm_close(struct audio_client *ac)
{
audio_rx_path_enable(0, 0);
enable_aux_loopback(0);
audio_client_free(ac);
return 0;
}
struct audio_client *q6audio_open_qcelp(uint32_t bufsz, uint32_t rate,
void *data, uint32_t acdb_id)
{
struct audio_client *ac;
if (q6audio_init())
return 0;
ac = audio_client_alloc(bufsz);
if (!ac)
return 0;
ac->flags = AUDIO_FLAG_READ;
tx_clk_freq = rate;
audio_tx_path_enable(1, acdb_id);
audio_qcelp_open(ac, bufsz, data);
audio_command(ac, ADSP_AUDIO_IOCTL_CMD_SESSION_START);
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 ac;
}
int q6audio_qcelp_close(struct audio_client *ac)
{
audio_close(ac);
audio_tx_path_enable(0, 0);
audio_client_free(ac);
audio_allow_sleep();
return 0;
}
Reference in New Issue View Git Blame Copy Permalink