static void cpcap_audio_configure_output(
struct cpcap_audio_state *state,
struct cpcap_audio_state *previous_state)
{
static unsigned int prev_aud_out_data;
if (is_output_changed(previous_state, state) ||
is_codec_changed(previous_state, state) ||
is_stdac_changed(previous_state, state)) {
bool activate_ext_loudspeaker = false;
struct cpcap_regacc reg_changes = { 0 };
cpcap_audio_set_output_amp_switches(state);
activate_ext_loudspeaker = cpcap_audio_set_bits_for_speaker(
state->codec_primary_speaker,
state->codec_primary_balance,
&(reg_changes.value));
activate_ext_loudspeaker = activate_ext_loudspeaker ||
cpcap_audio_set_bits_for_speaker(
state->codec_secondary_speaker,
CPCAP_AUDIO_BALANCE_NEUTRAL,
&(reg_changes.value));
activate_ext_loudspeaker = activate_ext_loudspeaker ||
cpcap_audio_set_bits_for_speaker(
state->stdac_primary_speaker,
state->stdac_primary_balance,
&(reg_changes.value));
activate_ext_loudspeaker = activate_ext_loudspeaker ||
cpcap_audio_set_bits_for_speaker(
state->stdac_secondary_speaker,
CPCAP_AUDIO_BALANCE_NEUTRAL,
&(reg_changes.value));
activate_ext_loudspeaker = activate_ext_loudspeaker ||
cpcap_audio_set_bits_for_speaker(
state->ext_primary_speaker,
state->ext_primary_balance,
&(reg_changes.value));
activate_ext_loudspeaker = activate_ext_loudspeaker ||
cpcap_audio_set_bits_for_speaker(
state->ext_secondary_speaker,
CPCAP_AUDIO_BALANCE_NEUTRAL,
&(reg_changes.value));
reg_changes.mask = reg_changes.value | prev_aud_out_data;
prev_aud_out_data = reg_changes.value;
logged_cpcap_write(state->cpcap, CPCAP_REG_RXOA,
reg_changes.value, reg_changes.mask);
}
}
void cpcap_audio_set_audio_state(struct cpcap_audio_state *state)
{
struct cpcap_audio_state *previous_state = &previous_state_struct;
if (state->codec_mute == CPCAP_AUDIO_CODEC_BYPASS_LOOP)
state->codec_mode = CPCAP_AUDIO_CODEC_ON;
if (state->codec_mode == CPCAP_AUDIO_CODEC_OFF ||
state->codec_mode == CPCAP_AUDIO_CODEC_CLOCK_ONLY ||
state->rat_type == CPCAP_AUDIO_RAT_CDMA)
state->codec_mute = CPCAP_AUDIO_CODEC_MUTE;
else
state->codec_mute = CPCAP_AUDIO_CODEC_UNMUTE;
if (state->stdac_mode != CPCAP_AUDIO_STDAC_ON)
state->stdac_mute = CPCAP_AUDIO_STDAC_MUTE;
else
state->stdac_mute = CPCAP_AUDIO_STDAC_UNMUTE;
if (state->stdac_mode == CPCAP_AUDIO_STDAC_CLOCK_ONLY)
state->stdac_mode = CPCAP_AUDIO_STDAC_ON;
if ((state->codec_mode != CPCAP_AUDIO_CODEC_OFF &&
state->codec_mode != CPCAP_AUDIO_CODEC_CLOCK_ONLY) ||
state->stdac_mode != CPCAP_AUDIO_STDAC_OFF ||
(state->codec_primary_speaker != CPCAP_AUDIO_OUT_NONE &&
state->codec_primary_speaker != CPCAP_AUDIO_OUT_BT_MONO) ||
state->stdac_primary_speaker != CPCAP_AUDIO_OUT_NONE ||
state->ext_primary_speaker != CPCAP_AUDIO_OUT_NONE ||
(state->microphone != CPCAP_AUDIO_IN_NONE &&
state->microphone != CPCAP_AUDIO_IN_BT_MONO))
cpcap_audio_configure_power(1);
if (is_speaker_turning_off(state, previous_state))
cpcap_audio_configure_output(state, previous_state);
if (is_codec_changed(state, previous_state)) {
int codec_mute = state->codec_mute;
state->codec_mute = CPCAP_AUDIO_CODEC_MUTE;
cpcap_audio_configure_aud_mute(state, previous_state);
previous_state->codec_mute = state->codec_mute;
state->codec_mute = codec_mute;
cpcap_audio_configure_codec(state, previous_state);
}
if (is_stdac_changed(state, previous_state)) {
int stdac_mute = state->stdac_mute;
state->stdac_mute = CPCAP_AUDIO_STDAC_MUTE;
cpcap_audio_configure_aud_mute(state, previous_state);
previous_state->stdac_mute = state->stdac_mute;
state->stdac_mute = stdac_mute;
cpcap_audio_configure_stdac(state, previous_state);
}
cpcap_audio_configure_analog_source(state, previous_state);
cpcap_audio_configure_input(state, previous_state);
cpcap_audio_configure_input_gains(state, previous_state);
cpcap_audio_configure_output(state, previous_state);
cpcap_audio_configure_output_gains(state, previous_state);
cpcap_audio_configure_aud_mute(state, previous_state);
if ((state->codec_mode == CPCAP_AUDIO_CODEC_OFF ||
state->codec_mode == CPCAP_AUDIO_CODEC_CLOCK_ONLY) &&
state->stdac_mode == CPCAP_AUDIO_STDAC_OFF &&
(state->codec_primary_speaker == CPCAP_AUDIO_OUT_NONE ||
state->codec_primary_speaker == CPCAP_AUDIO_OUT_BT_MONO) &&
state->stdac_primary_speaker == CPCAP_AUDIO_OUT_NONE &&
state->ext_primary_speaker == CPCAP_AUDIO_OUT_NONE &&
(state->microphone == CPCAP_AUDIO_IN_NONE ||
state->microphone == CPCAP_AUDIO_IN_BT_MONO))
cpcap_audio_configure_power(0);
previous_state_struct = *state;
cpcap_audio_register_dump(state);
}
static void cpcap_audio_configure_codec(struct cpcap_audio_state *state,
struct cpcap_audio_state *previous_state) {
const unsigned int CODEC_FREQ_MASK = CPCAP_BIT_CDC_CLK0
| CPCAP_BIT_CDC_CLK1 | CPCAP_BIT_CDC_CLK2;
const unsigned int CODEC_RESET_FREQ_MASK = CODEC_FREQ_MASK
| CPCAP_BIT_CDC_CLOCK_TREE_RESET;
static unsigned int prev_codec_data = 0x0, prev_cdai_data = 0x0;
if (is_codec_changed(state, previous_state)) {
unsigned int temp_codec_rate = state->codec_rate;
struct cpcap_regacc cdai_changes = { 0 };
struct cpcap_regacc codec_changes = { 0 };
int codec_freq_config = 0;
if (state->rat_type == CPCAP_AUDIO_RAT_CDMA)
codec_freq_config = (CPCAP_BIT_CDC_CLK0
| CPCAP_BIT_CDC_CLK1) ; /* 19.2Mhz */
else
codec_freq_config = CPCAP_BIT_CDC_CLK2 ; /* 26Mhz */
/* If a codec is already in use, reset codec to initial state */
if (previous_state->codec_mode != CPCAP_AUDIO_CODEC_OFF) {
codec_changes.mask = prev_codec_data
| CPCAP_BIT_DF_RESET
| CPCAP_BIT_CDC_CLOCK_TREE_RESET;
logged_cpcap_write(state->cpcap, CPCAP_REG_CC,
codec_changes.value, codec_changes.mask);
prev_codec_data = 0;
previous_state->codec_mode = CPCAP_AUDIO_CODEC_OFF;
}
temp_codec_rate &= 0x0000000F;
temp_codec_rate = temp_codec_rate << 9;
switch (state->codec_mode) {
case CPCAP_AUDIO_CODEC_LOOPBACK:
case CPCAP_AUDIO_CODEC_ON:
if (state->codec_primary_speaker !=
CPCAP_AUDIO_OUT_NONE &&
state->dai_config ==
CPCAP_AUDIO_DAI_CONFIG_NORMAL) {
codec_changes.value |= CPCAP_BIT_CDC_EN_RX;
}
if (needs_cpcap_mic1(state->microphone))
codec_changes.value |= CPCAP_BIT_MIC1_CDC_EN;
if (needs_cpcap_mic2(state->microphone))
codec_changes.value |= CPCAP_BIT_MIC2_CDC_EN;
/* use input HPF if either mic is enabled */
if ((codec_changes.value &
(CPCAP_BIT_MIC1_CDC_EN |
CPCAP_BIT_MIC2_CDC_EN)) != 0)
codec_changes.value |= CPCAP_BIT_AUDIHPF_0 |
CPCAP_BIT_AUDIHPF_1;
if(state->mic_mute == CPCAP_AUDIO_MIC_MUTE)
{
codec_changes.value &= ~(CPCAP_BIT_MIC1_CDC_EN | CPCAP_BIT_MIC2_CDC_EN);
CPCAP_AUDIO_DEBUG_LOG("Mic Muted\n");
}
/* falling through intentionally */
case CPCAP_AUDIO_CODEC_CLOCK_ONLY:
codec_changes.value |=
(codec_freq_config | temp_codec_rate |
CPCAP_BIT_DF_RESET);
cdai_changes.value |= CPCAP_BIT_CDC_CLK_EN;
break;
case CPCAP_AUDIO_CODEC_OFF:
cdai_changes.value |= CPCAP_BIT_SMB_CDC;
break;
default:
break;
}
/* Multimedia uses CLK_IN0, incall uses CLK_IN1 */
if (state->rat_type != CPCAP_AUDIO_RAT_NONE)
cdai_changes.value |= CPCAP_BIT_CLK_IN_SEL;
/* Bus bus config: Codec is always master*/
cdai_changes.value |= CPCAP_BIT_CDC_DIG_AUD_FS0;
/*Codec uses independent PLL in normal operation*/
if (state->dai_config == CPCAP_AUDIO_DAI_CONFIG_NORMAL)
cdai_changes.value |= CPCAP_BIT_CDC_PLL_SEL;
if (state->rat_type == CPCAP_AUDIO_RAT_CDMA &&
state->codec_primary_speaker !=
CPCAP_AUDIO_OUT_BT_MONO) {
/* CDMA BP requires I2S mode if not Bluetooth*/
cdai_changes.value |= CPCAP_BIT_CDC_DIG_AUD_FS1 |
CPCAP_BIT_CLK_INV;
} else if (state->rat_type != CPCAP_AUDIO_RAT_NONE) {
/* CDMA BT and all UMTS requires network mode */
cdai_changes.value |= CPCAP_BIT_MIC2_TIMESLOT0;
} else {
if (state->dai_config ==
CPCAP_AUDIO_DAI_CONFIG_HIFI_DUPLEX_1) {
/* duplex I2S operation on DAI1 (untested) */
cdai_changes.value |= CPCAP_BIT_DIG_AUD_IN |
CPCAP_BIT_CDC_DIG_AUD_FS1 |
CPCAP_BIT_CLK_INV;
}
if (needs_outboard_adc(state->microphone)) {
/*if we're using the outboard ADC, then it
* has slots 0 and 1 so cpcap must be on
* 2 and 3. */
cdai_changes.value |=
CPCAP_BIT_MIC1_RX_TIMESLOT1 |
CPCAP_BIT_MIC2_TIMESLOT0 |
CPCAP_BIT_MIC2_TIMESLOT1;
} else {
if (needs_cpcap_mic2(state->microphone) &&
!needs_cpcap_mic1(state->microphone)) {
/*if we're using *only* cpcap mic2,
* put it on slot0 for mono capture.
* This requires mic1 be on a slot other
* than 0 due to cpcap contention logic.
*/
cdai_changes.value |=
CPCAP_BIT_MIC1_RX_TIMESLOT0;
} else {
/*otherwise put MIC1 on slot0 and MIC2
* on slot 1 for either MIC1 mono or
* MIC1+MIC2 stereo configurations
*/
cdai_changes.value |=
CPCAP_BIT_MIC2_TIMESLOT0;
}
}
}
/* FIRST, make sure the frequency config is right... */
logged_cpcap_write(state->cpcap, CPCAP_REG_CC,
codec_freq_config, CODEC_FREQ_MASK);
/* Next, write the CDAI if it's changed */
if (prev_cdai_data != cdai_changes.value) {
cdai_changes.mask = cdai_changes.value
| prev_cdai_data;
prev_cdai_data = cdai_changes.value;
logged_cpcap_write(state->cpcap, CPCAP_REG_CDI,
cdai_changes.value, cdai_changes.mask);
/* Clock tree change -- reset and wait */
codec_freq_config |= CPCAP_BIT_CDC_CLOCK_TREE_RESET;
logged_cpcap_write(state->cpcap, CPCAP_REG_CC,
codec_freq_config, CODEC_RESET_FREQ_MASK);
/* Wait for clock tree reset to complete */
mdelay(CLOCK_TREE_RESET_TIME);
}
/* Clear old settings */
codec_changes.mask = codec_changes.value | prev_codec_data;
prev_codec_data = codec_changes.value;
logged_cpcap_write(state->cpcap, CPCAP_REG_CC,
codec_changes.value, codec_changes.mask);
}
}
static void cpcap_audio_configure_output(
struct cpcap_audio_state *state,
struct cpcap_audio_state *prev)
{
static unsigned int prev_aud_out_data;
bool activate_ext_loudspeaker = false;
struct cpcap_regacc reg_changes = { 0 };
if (!is_output_changed(prev, state) &&
!is_codec_changed(prev, state) &&
!is_stdac_changed(prev, state))
return;
cpcap_audio_set_output_amp_switches(state);
activate_ext_loudspeaker = cpcap_audio_set_bits_for_speaker(
state->codec_primary_speaker,
state->codec_primary_balance,
&(reg_changes.value));
activate_ext_loudspeaker = activate_ext_loudspeaker ||
cpcap_audio_set_bits_for_speaker(
state->codec_secondary_speaker,
CPCAP_AUDIO_BALANCE_NEUTRAL,
&(reg_changes.value));
activate_ext_loudspeaker = activate_ext_loudspeaker ||
cpcap_audio_set_bits_for_speaker(
state->stdac_primary_speaker,
state->stdac_primary_balance,
&(reg_changes.value));
activate_ext_loudspeaker = activate_ext_loudspeaker ||
cpcap_audio_set_bits_for_speaker(
state->stdac_secondary_speaker,
CPCAP_AUDIO_BALANCE_NEUTRAL,
&(reg_changes.value));
activate_ext_loudspeaker = activate_ext_loudspeaker ||
cpcap_audio_set_bits_for_speaker(
state->ext_primary_speaker,
state->ext_primary_balance,
&(reg_changes.value));
activate_ext_loudspeaker = activate_ext_loudspeaker ||
cpcap_audio_set_bits_for_speaker(
state->ext_secondary_speaker,
CPCAP_AUDIO_BALANCE_NEUTRAL,
&(reg_changes.value));
reg_changes.mask = reg_changes.value | prev_aud_out_data;
prev_aud_out_data = reg_changes.value;
/* Sleep for 300ms if we are getting into a call to allow the switch to
* settle. If we don't do this, it causes a loud pop at the beginning
* of the call.
*/
if (state->rat_type == CPCAP_AUDIO_RAT_CDMA &&
state->ext_primary_speaker != CPCAP_AUDIO_OUT_NONE &&
prev->ext_primary_speaker == CPCAP_AUDIO_OUT_NONE)
msleep(300);
logged_cpcap_write(state->cpcap, CPCAP_REG_RXOA,
reg_changes.value, reg_changes.mask);
}
static void cpcap_audio_configure_codec(struct cpcap_audio_state *state,
struct cpcap_audio_state *prev)
{
unsigned int temp_codec_rate = state->codec_rate;
struct cpcap_regacc cdai_changes = { 0 };
struct cpcap_regacc codec_changes = { 0 };
int codec_freq_config = 0;
const unsigned int CODEC_FREQ_MASK = CPCAP_BIT_CDC_CLK0
| CPCAP_BIT_CDC_CLK1 | CPCAP_BIT_CDC_CLK2;
const unsigned int CODEC_RESET_FREQ_MASK = CODEC_FREQ_MASK
| CPCAP_BIT_CDC_CLOCK_TREE_RESET;
static unsigned int prev_codec_data = 0x0, prev_cdai_data = 0x0;
if (!is_codec_changed(state, prev))
return;
if (state->rat_type == CPCAP_AUDIO_RAT_CDMA)
codec_freq_config = (CPCAP_BIT_CDC_CLK0
| CPCAP_BIT_CDC_CLK1) ; /* 19.2Mhz */
else
codec_freq_config = CPCAP_BIT_CDC_CLK2 ; /* 26Mhz */
/* If a codec is already in use, reset codec to initial state */
if (prev->codec_mode != CPCAP_AUDIO_CODEC_OFF) {
codec_changes.mask = prev_codec_data
| CPCAP_BIT_DF_RESET
| CPCAP_BIT_CDC_CLOCK_TREE_RESET;
logged_cpcap_write(state->cpcap, CPCAP_REG_CC,
codec_changes.value, codec_changes.mask);
prev_codec_data = 0;
prev->codec_mode = CPCAP_AUDIO_CODEC_OFF;
}
temp_codec_rate &= 0x0000000F;
temp_codec_rate = temp_codec_rate << 9;
switch (state->codec_mode) {
case CPCAP_AUDIO_CODEC_LOOPBACK:
case CPCAP_AUDIO_CODEC_ON:
if (state->codec_primary_speaker !=
CPCAP_AUDIO_OUT_NONE) {
codec_changes.value |= CPCAP_BIT_CDC_EN_RX;
}
/* Turning on the input HPF */
if (state->microphone != CPCAP_AUDIO_IN_NONE)
codec_changes.value |= CPCAP_BIT_AUDIHPF_0 |
CPCAP_BIT_AUDIHPF_1;
#if 1
if (state->microphone != CPCAP_AUDIO_IN_NONE) {
codec_changes.value |= CPCAP_BIT_MIC1_CDC_EN;
codec_changes.value |= CPCAP_BIT_MIC2_CDC_EN;
}
#else
if (state->microphone != CPCAP_AUDIO_IN_AUX_INTERNAL &&
state->microphone != CPCAP_AUDIO_IN_NONE)
codec_changes.value |= CPCAP_BIT_MIC1_CDC_EN |
CPCAP_BIT_MIC2_CDC_EN;
if (state->microphone == CPCAP_AUDIO_IN_AUX_INTERNAL ||
is_mic_stereo(state->microphone))
codec_changes.value |= CPCAP_BIT_MIC2_CDC_EN;
#endif
/* falling through intentionally */
case CPCAP_AUDIO_CODEC_CLOCK_ONLY:
codec_changes.value |=
(codec_freq_config | temp_codec_rate |
CPCAP_BIT_DF_RESET);
cdai_changes.value |= CPCAP_BIT_CDC_CLK_EN;
break;
case CPCAP_AUDIO_CODEC_OFF:
cdai_changes.value |= CPCAP_BIT_SMB_CDC;
break;
default:
break;
}
/* Multimedia uses CLK_IN0, incall uses CLK_IN1 */
if (state->rat_type != CPCAP_AUDIO_RAT_NONE)
cdai_changes.value |= CPCAP_BIT_CLK_IN_SEL;
cdai_changes.value |= CPCAP_BIT_CDC_PLL_SEL;
#if 0
cdai_changes.value |= CPCAP_BIT_DIG_AUD_IN;
#endif
#ifdef CODEC_IS_I2S_MODE
cdai_changes.value |= CPCAP_BIT_CLK_INV;
/* Setting I2S mode */
cdai_changes.value |= CPCAP_BIT_CDC_DIG_AUD_FS0 |
CPCAP_BIT_CDC_DIG_AUD_FS1 |
CPCAP_BIT_MIC2_TIMESLOT0;
#else
/* Setting CODEC mode */
/* FS: Not inverted.
* Clk: Not inverted.
* TS2/TS1/TS0 not set, using timeslot 0 for mic1.
*/
cdai_changes.value |= CPCAP_BIT_CDC_DIG_AUD_FS0;
#endif
/* OK, now start paranoid codec sequence */
/* FIRST, make sure the frequency config is right... */
logged_cpcap_write(state->cpcap, CPCAP_REG_CC,
codec_freq_config, CODEC_FREQ_MASK);
/* Next, write the CDAI if it's changed */
if (prev_cdai_data != cdai_changes.value) {
cdai_changes.mask = cdai_changes.value
| prev_cdai_data;
prev_cdai_data = cdai_changes.value;
logged_cpcap_write(state->cpcap, CPCAP_REG_CDI,
cdai_changes.value, cdai_changes.mask);
/* Clock tree change -- reset and wait */
codec_freq_config |= CPCAP_BIT_CDC_CLOCK_TREE_RESET;
logged_cpcap_write(state->cpcap, CPCAP_REG_CC,
codec_freq_config, CODEC_RESET_FREQ_MASK);
/* Wait for clock tree reset to complete */
mdelay(CLOCK_TREE_RESET_DELAY_MS);
}
/* Clear old settings */
codec_changes.mask = codec_changes.value | prev_codec_data;
prev_codec_data = codec_changes.value;
logged_cpcap_write(state->cpcap, CPCAP_REG_CC,
codec_changes.value, codec_changes.mask);
}
static void cpcap_audio_configure_output(
struct cpcap_audio_state *state,
struct cpcap_audio_state *previous_state)
{
static unsigned int prev_aud_out_data;
if (is_output_changed(previous_state, state) ||
is_codec_changed(previous_state, state) ||
is_stdac_changed(previous_state, state)) {
bool activate_ext_loudspeaker = false;
struct cpcap_regacc reg_changes = { 0 };
if (is_output_headset(state) &&
!is_output_headset(previous_state)) {
/* Charge pump should be enabled first
* and wait a minimum of 750 uSec
* to allow for settling of the negative supply.
*/
logged_cpcap_write(state->cpcap, CPCAP_REG_RXOA,
CPCAP_BIT_ST_HS_CP_EN,
CPCAP_BIT_ST_HS_CP_EN);
/* HS plug-in noise */
/*mdelay(1);*/
mdelay(200);
}
cpcap_audio_set_output_amp_switches(state);
activate_ext_loudspeaker = cpcap_audio_set_bits_for_speaker(
state->codec_primary_speaker,
state->codec_primary_balance,
&(reg_changes.value));
activate_ext_loudspeaker = activate_ext_loudspeaker ||
cpcap_audio_set_bits_for_speaker(
state->codec_secondary_speaker,
CPCAP_AUDIO_BALANCE_NEUTRAL,
&(reg_changes.value));
activate_ext_loudspeaker = activate_ext_loudspeaker ||
cpcap_audio_set_bits_for_speaker(
state->stdac_primary_speaker,
state->stdac_primary_balance,
&(reg_changes.value));
activate_ext_loudspeaker = activate_ext_loudspeaker ||
cpcap_audio_set_bits_for_speaker(
state->stdac_secondary_speaker,
CPCAP_AUDIO_BALANCE_NEUTRAL,
&(reg_changes.value));
activate_ext_loudspeaker = activate_ext_loudspeaker ||
cpcap_audio_set_bits_for_speaker(
state->ext_primary_speaker,
state->ext_primary_balance,
&(reg_changes.value));
activate_ext_loudspeaker = activate_ext_loudspeaker ||
cpcap_audio_set_bits_for_speaker(
state->ext_secondary_speaker,
CPCAP_AUDIO_BALANCE_NEUTRAL,
&(reg_changes.value));
reg_changes.mask = reg_changes.value | prev_aud_out_data;
prev_aud_out_data = reg_changes.value;
logged_cpcap_write(state->cpcap, CPCAP_REG_RXOA,
reg_changes.value, reg_changes.mask);
if (!is_output_headset(state)
&& is_output_headset(previous_state)) {
/* When disabling HS output amp,
* HS_CP should be turned off after output
* amp goes down. */
mdelay(1);
logged_cpcap_write(state->cpcap, CPCAP_REG_RXOA,
0, CPCAP_BIT_ST_HS_CP_EN);
}
}
}
static void cpcap_audio_configure_codec(struct cpcap_audio_state *state,
struct cpcap_audio_state *previous_state) {
const unsigned int CODEC_FREQ_MASK = CPCAP_BIT_CDC_CLK0
| CPCAP_BIT_CDC_CLK1 | CPCAP_BIT_CDC_CLK2;
const unsigned int CODEC_RESET_FREQ_MASK = CODEC_FREQ_MASK
| CPCAP_BIT_CDC_CLOCK_TREE_RESET;
static unsigned int prev_codec_data = 0x0, prev_cdai_data = 0x0;
if (is_codec_changed(state, previous_state)) {
unsigned int temp_codec_rate = state->codec_rate;
struct cpcap_regacc cdai_changes = { 0 };
struct cpcap_regacc codec_changes = { 0 };
int codec_freq_config = 0;
if (state->rat_type == CPCAP_AUDIO_RAT_CDMA)
codec_freq_config = (CPCAP_BIT_CDC_CLK0
| CPCAP_BIT_CDC_CLK1) ; /* 19.2Mhz */
else
codec_freq_config = CPCAP_BIT_CDC_CLK2 ; /* 26Mhz */
/* If a codec is already in use, reset codec to initial state */
/* TODO: optimize - make less paranoid according to TI recs */
if (previous_state->codec_mode != CPCAP_AUDIO_CODEC_OFF) {
codec_changes.mask = prev_codec_data
| CPCAP_BIT_DF_RESET
| CPCAP_BIT_CDC_CLOCK_TREE_RESET;
logged_cpcap_write(state->cpcap, CPCAP_REG_CC,
codec_changes.value, codec_changes.mask);
prev_codec_data = 0;
previous_state->codec_mode = CPCAP_AUDIO_CODEC_OFF;
}
temp_codec_rate &= 0x0000000F;
temp_codec_rate = temp_codec_rate << 9;
switch (state->codec_mode) {
case CPCAP_AUDIO_CODEC_LOOPBACK:
case CPCAP_AUDIO_CODEC_ON:
if (state->codec_primary_speaker !=
CPCAP_AUDIO_OUT_NONE)
codec_changes.value |= CPCAP_BIT_CDC_EN_RX;
/* Turning on the input HPF */
if (state->microphone != CPCAP_AUDIO_IN_NONE)
codec_changes.value |= CPCAP_BIT_AUDIHPF_0 |
CPCAP_BIT_AUDIHPF_1;
if (state->microphone != CPCAP_AUDIO_IN_AUX_INTERNAL &&
state->microphone != CPCAP_AUDIO_IN_NONE)
codec_changes.value |= CPCAP_BIT_MIC1_CDC_EN;
if (state->microphone == CPCAP_AUDIO_IN_AUX_INTERNAL ||
is_mic_stereo(state->microphone))
codec_changes.value |= CPCAP_BIT_MIC2_CDC_EN;
/* falling through intentionally */
case CPCAP_AUDIO_CODEC_CLOCK_ONLY:
codec_changes.value |=
(codec_freq_config | temp_codec_rate |
CPCAP_BIT_DF_RESET);
cdai_changes.value |= CPCAP_BIT_CDC_CLK_EN;
break;
case CPCAP_AUDIO_CODEC_OFF:
cdai_changes.value |= CPCAP_BIT_SMB_CDC;
break;
default:
break;
}
/* Multimedia uses CLK_IN0, incall uses CLK_IN1 */
if (state->rat_type != CPCAP_AUDIO_RAT_NONE)
cdai_changes.value |= CPCAP_BIT_CLK_IN_SEL;
/* UMTS sholes uses Network mode - 4 time slots
-Codec is Master of Fsync Bclk
-CODEC uses DAI0
-CODEC PLL to be used */
cdai_changes.value |= (CPCAP_BIT_CDC_DIG_AUD_FS0 |
CPCAP_BIT_CDC_PLL_SEL);
if ((state->rat_type == CPCAP_AUDIO_RAT_NONE) &&
(state->microphone == CPCAP_AUDIO_IN_AUX_INTERNAL))
cdai_changes.value |= CPCAP_BIT_MIC1_RX_TIMESLOT0;
else
cdai_changes.value |= CPCAP_BIT_MIC2_TIMESLOT0;
/* OK, now start paranoid codec sequence */
/* TODO: optimize - make less paranoid */
/* FIRST, make sure the frequency config is right... */
logged_cpcap_write(state->cpcap, CPCAP_REG_CC,
codec_freq_config, CODEC_FREQ_MASK);
/* Next, write the CDAI if it's changed */
if (prev_cdai_data != cdai_changes.value) {
cdai_changes.mask = cdai_changes.value
| prev_cdai_data;
prev_cdai_data = cdai_changes.value;
logged_cpcap_write(state->cpcap,
CPCAP_REG_CDI, cdai_changes.value,
cdai_changes.mask);
/* Clock tree change -- reset and wait */
codec_freq_config |= CPCAP_BIT_CDC_CLOCK_TREE_RESET;
logged_cpcap_write(state->cpcap,
CPCAP_REG_CC,
codec_freq_config,
CODEC_RESET_FREQ_MASK);
/* Wait for clock tree reset to complete */
mdelay(CLOCK_TREE_RESET_TIME);
}
/* Clear old settings */
codec_changes.mask = codec_changes.value | prev_codec_data;
prev_codec_data = codec_changes.value;
logged_cpcap_write(state->cpcap, CPCAP_REG_CC,
codec_changes.value, codec_changes.mask);
}
}
void cpcap_audio_set_audio_state(struct cpcap_audio_state *state)
{
struct cpcap_audio_state *previous_state = &previous_state_struct;
if (state->codec_mute == CPCAP_AUDIO_CODEC_BYPASS_LOOP)
state->codec_mode = CPCAP_AUDIO_CODEC_ON;
if (state->codec_mode == CPCAP_AUDIO_CODEC_OFF ||
state->codec_mode == CPCAP_AUDIO_CODEC_CLOCK_ONLY)
state->codec_mute = CPCAP_AUDIO_CODEC_MUTE;
else
state->codec_mute = CPCAP_AUDIO_CODEC_UNMUTE;
if (state->stdac_mode != CPCAP_AUDIO_STDAC_ON)
state->stdac_mute = CPCAP_AUDIO_STDAC_MUTE;
else
state->stdac_mute = CPCAP_AUDIO_STDAC_UNMUTE;
/* @TODO: STDAC_CLOCK_ONLY can be used when AUX_I2S is the
* only speaker to save some current. AUX_I2S is to stdac
* as BT_MONO is to phone codec.
*/
if (state->stdac_mode == CPCAP_AUDIO_STDAC_CLOCK_ONLY)
state->stdac_mode = CPCAP_AUDIO_STDAC_ON;
if ((state->codec_mode != CPCAP_AUDIO_CODEC_OFF &&
state->codec_mode != CPCAP_AUDIO_CODEC_CLOCK_ONLY) ||
state->stdac_mode != CPCAP_AUDIO_STDAC_OFF ||
(state->codec_primary_speaker != CPCAP_AUDIO_OUT_NONE &&
state->codec_primary_speaker != CPCAP_AUDIO_OUT_BT_MONO) ||
state->stdac_primary_speaker != CPCAP_AUDIO_OUT_NONE ||
state->ext_primary_speaker != CPCAP_AUDIO_OUT_NONE ||
(state->microphone != CPCAP_AUDIO_IN_NONE &&
state->microphone != CPCAP_AUDIO_IN_BT_MONO))
cpcap_audio_configure_power(1);
if (is_speaker_turning_off(state, previous_state))
cpcap_audio_configure_output(state, previous_state);
if (is_codec_changed(state, previous_state)) {
int codec_mute = state->codec_mute;
state->codec_mute = CPCAP_AUDIO_CODEC_MUTE;
cpcap_audio_configure_aud_mute(state, previous_state);
previous_state->codec_mute = state->codec_mute;
state->codec_mute = codec_mute;
cpcap_audio_configure_codec(state, previous_state);
}
if (is_stdac_changed(state, previous_state)) {
int stdac_mute = state->stdac_mute;
state->stdac_mute = CPCAP_AUDIO_STDAC_MUTE;
cpcap_audio_configure_aud_mute(state, previous_state);
previous_state->stdac_mute = state->stdac_mute;
state->stdac_mute = stdac_mute;
cpcap_audio_configure_stdac(state, previous_state);
}
cpcap_audio_configure_analog_source(state, previous_state);
cpcap_audio_configure_input(state, previous_state);
cpcap_audio_configure_input_gains(state, previous_state);
cpcap_audio_configure_output(state, previous_state);
cpcap_audio_configure_output_gains(state, previous_state);
cpcap_audio_configure_aud_mute(state, previous_state);
if ((state->codec_mode == CPCAP_AUDIO_CODEC_OFF ||
state->codec_mode == CPCAP_AUDIO_CODEC_CLOCK_ONLY) &&
state->stdac_mode == CPCAP_AUDIO_STDAC_OFF &&
(state->codec_primary_speaker == CPCAP_AUDIO_OUT_NONE ||
state->codec_primary_speaker == CPCAP_AUDIO_OUT_BT_MONO) &&
state->stdac_primary_speaker == CPCAP_AUDIO_OUT_NONE &&
state->ext_primary_speaker == CPCAP_AUDIO_OUT_NONE &&
(state->microphone == CPCAP_AUDIO_IN_NONE ||
state->microphone == CPCAP_AUDIO_IN_BT_MONO))
cpcap_audio_configure_power(0);
previous_state_struct = *state;
cpcap_audio_reguister_dump(state);
}