mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1148 lines
31 KiB
1148 lines
31 KiB
// SPDX-License-Identifier: GPL-2.0-only |
|
/* |
|
* Copyright (C) STMicroelectronics SA 2015 |
|
* Authors: Arnaud Pouliquen <[email protected]> |
|
* for STMicroelectronics. |
|
*/ |
|
|
|
#include <linux/clk.h> |
|
#include <linux/mfd/syscon.h> |
|
|
|
#include <sound/asoundef.h> |
|
#include <sound/soc.h> |
|
|
|
#include "uniperif.h" |
|
|
|
/* |
|
* Some hardware-related definitions |
|
*/ |
|
|
|
/* sys config registers definitions */ |
|
#define SYS_CFG_AUDIO_GLUE 0xA4 |
|
|
|
/* |
|
* Driver specific types. |
|
*/ |
|
|
|
#define UNIPERIF_PLAYER_CLK_ADJ_MIN -999999 |
|
#define UNIPERIF_PLAYER_CLK_ADJ_MAX 1000000 |
|
#define UNIPERIF_PLAYER_I2S_OUT 1 /* player id connected to I2S/TDM TX bus */ |
|
|
|
/* |
|
* Note: snd_pcm_hardware is linked to DMA controller but is declared here to |
|
* integrate DAI_CPU capability in term of rate and supported channels |
|
*/ |
|
static const struct snd_pcm_hardware uni_player_pcm_hw = { |
|
.info = SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
|
SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP | |
|
SNDRV_PCM_INFO_MMAP_VALID, |
|
.formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE, |
|
|
|
.rates = SNDRV_PCM_RATE_CONTINUOUS, |
|
.rate_min = 8000, |
|
.rate_max = 192000, |
|
|
|
.channels_min = 2, |
|
.channels_max = 8, |
|
|
|
.periods_min = 2, |
|
.periods_max = 48, |
|
|
|
.period_bytes_min = 128, |
|
.period_bytes_max = 64 * PAGE_SIZE, |
|
.buffer_bytes_max = 256 * PAGE_SIZE |
|
}; |
|
|
|
/* |
|
* uni_player_irq_handler |
|
* In case of error audio stream is stopped; stop action is protected via PCM |
|
* stream lock to avoid race condition with trigger callback. |
|
*/ |
|
static irqreturn_t uni_player_irq_handler(int irq, void *dev_id) |
|
{ |
|
irqreturn_t ret = IRQ_NONE; |
|
struct uniperif *player = dev_id; |
|
unsigned int status; |
|
unsigned int tmp; |
|
|
|
spin_lock(&player->irq_lock); |
|
if (!player->substream) |
|
goto irq_spin_unlock; |
|
|
|
snd_pcm_stream_lock(player->substream); |
|
if (player->state == UNIPERIF_STATE_STOPPED) |
|
goto stream_unlock; |
|
|
|
/* Get interrupt status & clear them immediately */ |
|
status = GET_UNIPERIF_ITS(player); |
|
SET_UNIPERIF_ITS_BCLR(player, status); |
|
|
|
/* Check for fifo error (underrun) */ |
|
if (unlikely(status & UNIPERIF_ITS_FIFO_ERROR_MASK(player))) { |
|
dev_err(player->dev, "FIFO underflow error detected\n"); |
|
|
|
/* Interrupt is just for information when underflow recovery */ |
|
if (player->underflow_enabled) { |
|
/* Update state to underflow */ |
|
player->state = UNIPERIF_STATE_UNDERFLOW; |
|
|
|
} else { |
|
/* Disable interrupt so doesn't continually fire */ |
|
SET_UNIPERIF_ITM_BCLR_FIFO_ERROR(player); |
|
|
|
/* Stop the player */ |
|
snd_pcm_stop_xrun(player->substream); |
|
} |
|
|
|
ret = IRQ_HANDLED; |
|
} |
|
|
|
/* Check for dma error (overrun) */ |
|
if (unlikely(status & UNIPERIF_ITS_DMA_ERROR_MASK(player))) { |
|
dev_err(player->dev, "DMA error detected\n"); |
|
|
|
/* Disable interrupt so doesn't continually fire */ |
|
SET_UNIPERIF_ITM_BCLR_DMA_ERROR(player); |
|
|
|
/* Stop the player */ |
|
snd_pcm_stop_xrun(player->substream); |
|
|
|
ret = IRQ_HANDLED; |
|
} |
|
|
|
/* Check for underflow recovery done */ |
|
if (unlikely(status & UNIPERIF_ITM_UNDERFLOW_REC_DONE_MASK(player))) { |
|
if (!player->underflow_enabled) { |
|
dev_err(player->dev, |
|
"unexpected Underflow recovering\n"); |
|
ret = -EPERM; |
|
goto stream_unlock; |
|
} |
|
/* Read the underflow recovery duration */ |
|
tmp = GET_UNIPERIF_STATUS_1_UNDERFLOW_DURATION(player); |
|
dev_dbg(player->dev, "Underflow recovered (%d LR clocks max)\n", |
|
tmp); |
|
|
|
/* Clear the underflow recovery duration */ |
|
SET_UNIPERIF_BIT_CONTROL_CLR_UNDERFLOW_DURATION(player); |
|
|
|
/* Update state to started */ |
|
player->state = UNIPERIF_STATE_STARTED; |
|
|
|
ret = IRQ_HANDLED; |
|
} |
|
|
|
/* Check if underflow recovery failed */ |
|
if (unlikely(status & |
|
UNIPERIF_ITM_UNDERFLOW_REC_FAILED_MASK(player))) { |
|
dev_err(player->dev, "Underflow recovery failed\n"); |
|
|
|
/* Stop the player */ |
|
snd_pcm_stop_xrun(player->substream); |
|
|
|
ret = IRQ_HANDLED; |
|
} |
|
|
|
stream_unlock: |
|
snd_pcm_stream_unlock(player->substream); |
|
irq_spin_unlock: |
|
spin_unlock(&player->irq_lock); |
|
|
|
return ret; |
|
} |
|
|
|
static int uni_player_clk_set_rate(struct uniperif *player, unsigned long rate) |
|
{ |
|
int rate_adjusted, rate_achieved, delta, ret; |
|
int adjustment = player->clk_adj; |
|
|
|
/* |
|
* a |
|
* F = f + --------- * f = f + d |
|
* 1000000 |
|
* |
|
* a |
|
* d = --------- * f |
|
* 1000000 |
|
* |
|
* where: |
|
* f - nominal rate |
|
* a - adjustment in ppm (parts per milion) |
|
* F - rate to be set in synthesizer |
|
* d - delta (difference) between f and F |
|
*/ |
|
if (adjustment < 0) { |
|
/* div64_64 operates on unsigned values... */ |
|
delta = -1; |
|
adjustment = -adjustment; |
|
} else { |
|
delta = 1; |
|
} |
|
/* 500000 ppm is 0.5, which is used to round up values */ |
|
delta *= (int)div64_u64((uint64_t)rate * |
|
(uint64_t)adjustment + 500000, 1000000); |
|
rate_adjusted = rate + delta; |
|
|
|
/* Adjusted rate should never be == 0 */ |
|
if (!rate_adjusted) |
|
return -EINVAL; |
|
|
|
ret = clk_set_rate(player->clk, rate_adjusted); |
|
if (ret < 0) |
|
return ret; |
|
|
|
rate_achieved = clk_get_rate(player->clk); |
|
if (!rate_achieved) |
|
/* If value is 0 means that clock or parent not valid */ |
|
return -EINVAL; |
|
|
|
/* |
|
* Using ALSA's adjustment control, we can modify the rate to be up |
|
* to twice as much as requested, but no more |
|
*/ |
|
delta = rate_achieved - rate; |
|
if (delta < 0) { |
|
/* div64_64 operates on unsigned values... */ |
|
delta = -delta; |
|
adjustment = -1; |
|
} else { |
|
adjustment = 1; |
|
} |
|
/* Frequency/2 is added to round up result */ |
|
adjustment *= (int)div64_u64((uint64_t)delta * 1000000 + rate / 2, |
|
rate); |
|
player->clk_adj = adjustment; |
|
return 0; |
|
} |
|
|
|
static void uni_player_set_channel_status(struct uniperif *player, |
|
struct snd_pcm_runtime *runtime) |
|
{ |
|
int n; |
|
unsigned int status; |
|
|
|
/* |
|
* Some AVRs and TVs require the channel status to contain a correct |
|
* sampling frequency. If no sample rate is already specified, then |
|
* set one. |
|
*/ |
|
if (runtime) { |
|
switch (runtime->rate) { |
|
case 22050: |
|
player->stream_settings.iec958.status[3] = |
|
IEC958_AES3_CON_FS_22050; |
|
break; |
|
case 44100: |
|
player->stream_settings.iec958.status[3] = |
|
IEC958_AES3_CON_FS_44100; |
|
break; |
|
case 88200: |
|
player->stream_settings.iec958.status[3] = |
|
IEC958_AES3_CON_FS_88200; |
|
break; |
|
case 176400: |
|
player->stream_settings.iec958.status[3] = |
|
IEC958_AES3_CON_FS_176400; |
|
break; |
|
case 24000: |
|
player->stream_settings.iec958.status[3] = |
|
IEC958_AES3_CON_FS_24000; |
|
break; |
|
case 48000: |
|
player->stream_settings.iec958.status[3] = |
|
IEC958_AES3_CON_FS_48000; |
|
break; |
|
case 96000: |
|
player->stream_settings.iec958.status[3] = |
|
IEC958_AES3_CON_FS_96000; |
|
break; |
|
case 192000: |
|
player->stream_settings.iec958.status[3] = |
|
IEC958_AES3_CON_FS_192000; |
|
break; |
|
case 32000: |
|
player->stream_settings.iec958.status[3] = |
|
IEC958_AES3_CON_FS_32000; |
|
break; |
|
default: |
|
/* Mark as sampling frequency not indicated */ |
|
player->stream_settings.iec958.status[3] = |
|
IEC958_AES3_CON_FS_NOTID; |
|
break; |
|
} |
|
} |
|
|
|
/* Audio mode: |
|
* Use audio mode status to select PCM or encoded mode |
|
*/ |
|
if (player->stream_settings.iec958.status[0] & IEC958_AES0_NONAUDIO) |
|
player->stream_settings.encoding_mode = |
|
UNIPERIF_IEC958_ENCODING_MODE_ENCODED; |
|
else |
|
player->stream_settings.encoding_mode = |
|
UNIPERIF_IEC958_ENCODING_MODE_PCM; |
|
|
|
if (player->stream_settings.encoding_mode == |
|
UNIPERIF_IEC958_ENCODING_MODE_PCM) |
|
/* Clear user validity bits */ |
|
SET_UNIPERIF_USER_VALIDITY_VALIDITY_LR(player, 0); |
|
else |
|
/* Set user validity bits */ |
|
SET_UNIPERIF_USER_VALIDITY_VALIDITY_LR(player, 1); |
|
|
|
/* Program the new channel status */ |
|
for (n = 0; n < 6; ++n) { |
|
status = |
|
player->stream_settings.iec958.status[0 + (n * 4)] & 0xf; |
|
status |= |
|
player->stream_settings.iec958.status[1 + (n * 4)] << 8; |
|
status |= |
|
player->stream_settings.iec958.status[2 + (n * 4)] << 16; |
|
status |= |
|
player->stream_settings.iec958.status[3 + (n * 4)] << 24; |
|
SET_UNIPERIF_CHANNEL_STA_REGN(player, n, status); |
|
} |
|
|
|
/* Update the channel status */ |
|
if (player->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0) |
|
SET_UNIPERIF_CONFIG_CHL_STS_UPDATE(player); |
|
else |
|
SET_UNIPERIF_BIT_CONTROL_CHL_STS_UPDATE(player); |
|
} |
|
|
|
static int uni_player_prepare_iec958(struct uniperif *player, |
|
struct snd_pcm_runtime *runtime) |
|
{ |
|
int clk_div; |
|
|
|
clk_div = player->mclk / runtime->rate; |
|
|
|
/* Oversampling must be multiple of 128 as iec958 frame is 32-bits */ |
|
if ((clk_div % 128) || (clk_div <= 0)) { |
|
dev_err(player->dev, "%s: invalid clk_div %d\n", |
|
__func__, clk_div); |
|
return -EINVAL; |
|
} |
|
|
|
switch (runtime->format) { |
|
case SNDRV_PCM_FORMAT_S16_LE: |
|
/* 16/16 memory format */ |
|
SET_UNIPERIF_CONFIG_MEM_FMT_16_16(player); |
|
/* 16-bits per sub-frame */ |
|
SET_UNIPERIF_I2S_FMT_NBIT_32(player); |
|
/* Set 16-bit sample precision */ |
|
SET_UNIPERIF_I2S_FMT_DATA_SIZE_16(player); |
|
break; |
|
case SNDRV_PCM_FORMAT_S32_LE: |
|
/* 16/0 memory format */ |
|
SET_UNIPERIF_CONFIG_MEM_FMT_16_0(player); |
|
/* 32-bits per sub-frame */ |
|
SET_UNIPERIF_I2S_FMT_NBIT_32(player); |
|
/* Set 24-bit sample precision */ |
|
SET_UNIPERIF_I2S_FMT_DATA_SIZE_24(player); |
|
break; |
|
default: |
|
dev_err(player->dev, "format not supported\n"); |
|
return -EINVAL; |
|
} |
|
|
|
/* Set parity to be calculated by the hardware */ |
|
SET_UNIPERIF_CONFIG_PARITY_CNTR_BY_HW(player); |
|
|
|
/* Set channel status bits to be inserted by the hardware */ |
|
SET_UNIPERIF_CONFIG_CHANNEL_STA_CNTR_BY_HW(player); |
|
|
|
/* Set user data bits to be inserted by the hardware */ |
|
SET_UNIPERIF_CONFIG_USER_DAT_CNTR_BY_HW(player); |
|
|
|
/* Set validity bits to be inserted by the hardware */ |
|
SET_UNIPERIF_CONFIG_VALIDITY_DAT_CNTR_BY_HW(player); |
|
|
|
/* Set full software control to disabled */ |
|
SET_UNIPERIF_CONFIG_SPDIF_SW_CTRL_DISABLE(player); |
|
|
|
SET_UNIPERIF_CTRL_ZERO_STUFF_HW(player); |
|
|
|
mutex_lock(&player->ctrl_lock); |
|
/* Update the channel status */ |
|
uni_player_set_channel_status(player, runtime); |
|
mutex_unlock(&player->ctrl_lock); |
|
|
|
/* Clear the user validity user bits */ |
|
SET_UNIPERIF_USER_VALIDITY_VALIDITY_LR(player, 0); |
|
|
|
/* Disable one-bit audio mode */ |
|
SET_UNIPERIF_CONFIG_ONE_BIT_AUD_DISABLE(player); |
|
|
|
/* Enable consecutive frames repetition of Z preamble (not for HBRA) */ |
|
SET_UNIPERIF_CONFIG_REPEAT_CHL_STS_ENABLE(player); |
|
|
|
/* Change to SUF0_SUBF1 and left/right channels swap! */ |
|
SET_UNIPERIF_CONFIG_SUBFRAME_SEL_SUBF1_SUBF0(player); |
|
|
|
/* Set data output as MSB first */ |
|
SET_UNIPERIF_I2S_FMT_ORDER_MSB(player); |
|
|
|
if (player->stream_settings.encoding_mode == |
|
UNIPERIF_IEC958_ENCODING_MODE_ENCODED) |
|
SET_UNIPERIF_CTRL_EXIT_STBY_ON_EOBLOCK_ON(player); |
|
else |
|
SET_UNIPERIF_CTRL_EXIT_STBY_ON_EOBLOCK_OFF(player); |
|
|
|
SET_UNIPERIF_I2S_FMT_NUM_CH(player, runtime->channels / 2); |
|
|
|
/* Set rounding to off */ |
|
SET_UNIPERIF_CTRL_ROUNDING_OFF(player); |
|
|
|
/* Set clock divisor */ |
|
SET_UNIPERIF_CTRL_DIVIDER(player, clk_div / 128); |
|
|
|
/* Set the spdif latency to not wait before starting player */ |
|
SET_UNIPERIF_CTRL_SPDIF_LAT_OFF(player); |
|
|
|
/* |
|
* Ensure iec958 formatting is off. It will be enabled in function |
|
* uni_player_start() at the same time as the operation |
|
* mode is set to work around a silicon issue. |
|
*/ |
|
if (player->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0) |
|
SET_UNIPERIF_CTRL_SPDIF_FMT_OFF(player); |
|
else |
|
SET_UNIPERIF_CTRL_SPDIF_FMT_ON(player); |
|
|
|
return 0; |
|
} |
|
|
|
static int uni_player_prepare_pcm(struct uniperif *player, |
|
struct snd_pcm_runtime *runtime) |
|
{ |
|
int output_frame_size, slot_width, clk_div; |
|
|
|
/* Force slot width to 32 in I2S mode (HW constraint) */ |
|
if ((player->daifmt & SND_SOC_DAIFMT_FORMAT_MASK) == |
|
SND_SOC_DAIFMT_I2S) |
|
slot_width = 32; |
|
else |
|
slot_width = snd_pcm_format_width(runtime->format); |
|
|
|
output_frame_size = slot_width * runtime->channels; |
|
|
|
clk_div = player->mclk / runtime->rate; |
|
/* |
|
* For 32 bits subframe clk_div must be a multiple of 128, |
|
* for 16 bits must be a multiple of 64 |
|
*/ |
|
if ((slot_width == 32) && (clk_div % 128)) { |
|
dev_err(player->dev, "%s: invalid clk_div\n", __func__); |
|
return -EINVAL; |
|
} |
|
|
|
if ((slot_width == 16) && (clk_div % 64)) { |
|
dev_err(player->dev, "%s: invalid clk_div\n", __func__); |
|
return -EINVAL; |
|
} |
|
|
|
/* |
|
* Number of bits per subframe (which is one channel sample) |
|
* on output - Transfer 16 or 32 bits from FIFO |
|
*/ |
|
switch (slot_width) { |
|
case 32: |
|
SET_UNIPERIF_I2S_FMT_NBIT_32(player); |
|
SET_UNIPERIF_I2S_FMT_DATA_SIZE_32(player); |
|
break; |
|
case 16: |
|
SET_UNIPERIF_I2S_FMT_NBIT_16(player); |
|
SET_UNIPERIF_I2S_FMT_DATA_SIZE_16(player); |
|
break; |
|
default: |
|
dev_err(player->dev, "subframe format not supported\n"); |
|
return -EINVAL; |
|
} |
|
|
|
/* Configure data memory format */ |
|
switch (runtime->format) { |
|
case SNDRV_PCM_FORMAT_S16_LE: |
|
/* One data word contains two samples */ |
|
SET_UNIPERIF_CONFIG_MEM_FMT_16_16(player); |
|
break; |
|
|
|
case SNDRV_PCM_FORMAT_S32_LE: |
|
/* |
|
* Actually "16 bits/0 bits" means "32/28/24/20/18/16 bits |
|
* on the left than zeros (if less than 32 bytes)"... ;-) |
|
*/ |
|
SET_UNIPERIF_CONFIG_MEM_FMT_16_0(player); |
|
break; |
|
|
|
default: |
|
dev_err(player->dev, "format not supported\n"); |
|
return -EINVAL; |
|
} |
|
|
|
/* Set rounding to off */ |
|
SET_UNIPERIF_CTRL_ROUNDING_OFF(player); |
|
|
|
/* Set clock divisor */ |
|
SET_UNIPERIF_CTRL_DIVIDER(player, clk_div / (2 * output_frame_size)); |
|
|
|
/* Number of channelsmust be even*/ |
|
if ((runtime->channels % 2) || (runtime->channels < 2) || |
|
(runtime->channels > 10)) { |
|
dev_err(player->dev, "%s: invalid nb of channels\n", __func__); |
|
return -EINVAL; |
|
} |
|
|
|
SET_UNIPERIF_I2S_FMT_NUM_CH(player, runtime->channels / 2); |
|
|
|
/* Set 1-bit audio format to disabled */ |
|
SET_UNIPERIF_CONFIG_ONE_BIT_AUD_DISABLE(player); |
|
|
|
SET_UNIPERIF_I2S_FMT_ORDER_MSB(player); |
|
|
|
/* No iec958 formatting as outputting to DAC */ |
|
SET_UNIPERIF_CTRL_SPDIF_FMT_OFF(player); |
|
|
|
return 0; |
|
} |
|
|
|
static int uni_player_prepare_tdm(struct uniperif *player, |
|
struct snd_pcm_runtime *runtime) |
|
{ |
|
int tdm_frame_size; /* unip tdm frame size in bytes */ |
|
int user_frame_size; /* user tdm frame size in bytes */ |
|
/* default unip TDM_WORD_POS_X_Y */ |
|
unsigned int word_pos[4] = { |
|
0x04060002, 0x0C0E080A, 0x14161012, 0x1C1E181A}; |
|
int freq, ret; |
|
|
|
tdm_frame_size = |
|
sti_uniperiph_get_unip_tdm_frame_size(player); |
|
user_frame_size = |
|
sti_uniperiph_get_user_frame_size(runtime); |
|
|
|
/* fix 16/0 format */ |
|
SET_UNIPERIF_CONFIG_MEM_FMT_16_0(player); |
|
SET_UNIPERIF_I2S_FMT_DATA_SIZE_32(player); |
|
|
|
/* number of words inserted on the TDM line */ |
|
SET_UNIPERIF_I2S_FMT_NUM_CH(player, user_frame_size / 4 / 2); |
|
|
|
SET_UNIPERIF_I2S_FMT_ORDER_MSB(player); |
|
SET_UNIPERIF_I2S_FMT_ALIGN_LEFT(player); |
|
|
|
/* Enable the tdm functionality */ |
|
SET_UNIPERIF_TDM_ENABLE_TDM_ENABLE(player); |
|
|
|
/* number of 8 bits timeslots avail in unip tdm frame */ |
|
SET_UNIPERIF_TDM_FS_REF_DIV_NUM_TIMESLOT(player, tdm_frame_size); |
|
|
|
/* set the timeslot allocation for words in FIFO */ |
|
sti_uniperiph_get_tdm_word_pos(player, word_pos); |
|
SET_UNIPERIF_TDM_WORD_POS(player, 1_2, word_pos[WORD_1_2]); |
|
SET_UNIPERIF_TDM_WORD_POS(player, 3_4, word_pos[WORD_3_4]); |
|
SET_UNIPERIF_TDM_WORD_POS(player, 5_6, word_pos[WORD_5_6]); |
|
SET_UNIPERIF_TDM_WORD_POS(player, 7_8, word_pos[WORD_7_8]); |
|
|
|
/* set unip clk rate (not done vai set_sysclk ops) */ |
|
freq = runtime->rate * tdm_frame_size * 8; |
|
mutex_lock(&player->ctrl_lock); |
|
ret = uni_player_clk_set_rate(player, freq); |
|
if (!ret) |
|
player->mclk = freq; |
|
mutex_unlock(&player->ctrl_lock); |
|
|
|
return 0; |
|
} |
|
|
|
/* |
|
* ALSA uniperipheral iec958 controls |
|
*/ |
|
static int uni_player_ctl_iec958_info(struct snd_kcontrol *kcontrol, |
|
struct snd_ctl_elem_info *uinfo) |
|
{ |
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; |
|
uinfo->count = 1; |
|
|
|
return 0; |
|
} |
|
|
|
static int uni_player_ctl_iec958_get(struct snd_kcontrol *kcontrol, |
|
struct snd_ctl_elem_value *ucontrol) |
|
{ |
|
struct snd_soc_dai *dai = snd_kcontrol_chip(kcontrol); |
|
struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai); |
|
struct uniperif *player = priv->dai_data.uni; |
|
struct snd_aes_iec958 *iec958 = &player->stream_settings.iec958; |
|
|
|
mutex_lock(&player->ctrl_lock); |
|
ucontrol->value.iec958.status[0] = iec958->status[0]; |
|
ucontrol->value.iec958.status[1] = iec958->status[1]; |
|
ucontrol->value.iec958.status[2] = iec958->status[2]; |
|
ucontrol->value.iec958.status[3] = iec958->status[3]; |
|
mutex_unlock(&player->ctrl_lock); |
|
return 0; |
|
} |
|
|
|
static int uni_player_ctl_iec958_put(struct snd_kcontrol *kcontrol, |
|
struct snd_ctl_elem_value *ucontrol) |
|
{ |
|
struct snd_soc_dai *dai = snd_kcontrol_chip(kcontrol); |
|
struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai); |
|
struct uniperif *player = priv->dai_data.uni; |
|
struct snd_aes_iec958 *iec958 = &player->stream_settings.iec958; |
|
unsigned long flags; |
|
|
|
mutex_lock(&player->ctrl_lock); |
|
iec958->status[0] = ucontrol->value.iec958.status[0]; |
|
iec958->status[1] = ucontrol->value.iec958.status[1]; |
|
iec958->status[2] = ucontrol->value.iec958.status[2]; |
|
iec958->status[3] = ucontrol->value.iec958.status[3]; |
|
|
|
spin_lock_irqsave(&player->irq_lock, flags); |
|
if (player->substream && player->substream->runtime) |
|
uni_player_set_channel_status(player, |
|
player->substream->runtime); |
|
else |
|
uni_player_set_channel_status(player, NULL); |
|
|
|
spin_unlock_irqrestore(&player->irq_lock, flags); |
|
mutex_unlock(&player->ctrl_lock); |
|
|
|
return 0; |
|
} |
|
|
|
static struct snd_kcontrol_new uni_player_iec958_ctl = { |
|
.iface = SNDRV_CTL_ELEM_IFACE_PCM, |
|
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT), |
|
.info = uni_player_ctl_iec958_info, |
|
.get = uni_player_ctl_iec958_get, |
|
.put = uni_player_ctl_iec958_put, |
|
}; |
|
|
|
/* |
|
* uniperif rate adjustement control |
|
*/ |
|
static int snd_sti_clk_adjustment_info(struct snd_kcontrol *kcontrol, |
|
struct snd_ctl_elem_info *uinfo) |
|
{ |
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
|
uinfo->count = 1; |
|
uinfo->value.integer.min = UNIPERIF_PLAYER_CLK_ADJ_MIN; |
|
uinfo->value.integer.max = UNIPERIF_PLAYER_CLK_ADJ_MAX; |
|
uinfo->value.integer.step = 1; |
|
|
|
return 0; |
|
} |
|
|
|
static int snd_sti_clk_adjustment_get(struct snd_kcontrol *kcontrol, |
|
struct snd_ctl_elem_value *ucontrol) |
|
{ |
|
struct snd_soc_dai *dai = snd_kcontrol_chip(kcontrol); |
|
struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai); |
|
struct uniperif *player = priv->dai_data.uni; |
|
|
|
mutex_lock(&player->ctrl_lock); |
|
ucontrol->value.integer.value[0] = player->clk_adj; |
|
mutex_unlock(&player->ctrl_lock); |
|
|
|
return 0; |
|
} |
|
|
|
static int snd_sti_clk_adjustment_put(struct snd_kcontrol *kcontrol, |
|
struct snd_ctl_elem_value *ucontrol) |
|
{ |
|
struct snd_soc_dai *dai = snd_kcontrol_chip(kcontrol); |
|
struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai); |
|
struct uniperif *player = priv->dai_data.uni; |
|
int ret = 0; |
|
|
|
if ((ucontrol->value.integer.value[0] < UNIPERIF_PLAYER_CLK_ADJ_MIN) || |
|
(ucontrol->value.integer.value[0] > UNIPERIF_PLAYER_CLK_ADJ_MAX)) |
|
return -EINVAL; |
|
|
|
mutex_lock(&player->ctrl_lock); |
|
player->clk_adj = ucontrol->value.integer.value[0]; |
|
|
|
if (player->mclk) |
|
ret = uni_player_clk_set_rate(player, player->mclk); |
|
mutex_unlock(&player->ctrl_lock); |
|
|
|
return ret; |
|
} |
|
|
|
static struct snd_kcontrol_new uni_player_clk_adj_ctl = { |
|
.iface = SNDRV_CTL_ELEM_IFACE_PCM, |
|
.name = "PCM Playback Oversampling Freq. Adjustment", |
|
.info = snd_sti_clk_adjustment_info, |
|
.get = snd_sti_clk_adjustment_get, |
|
.put = snd_sti_clk_adjustment_put, |
|
}; |
|
|
|
static struct snd_kcontrol_new *snd_sti_pcm_ctl[] = { |
|
&uni_player_clk_adj_ctl, |
|
}; |
|
|
|
static struct snd_kcontrol_new *snd_sti_iec_ctl[] = { |
|
&uni_player_iec958_ctl, |
|
&uni_player_clk_adj_ctl, |
|
}; |
|
|
|
static int uni_player_startup(struct snd_pcm_substream *substream, |
|
struct snd_soc_dai *dai) |
|
{ |
|
struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai); |
|
struct uniperif *player = priv->dai_data.uni; |
|
unsigned long flags; |
|
int ret; |
|
|
|
spin_lock_irqsave(&player->irq_lock, flags); |
|
player->substream = substream; |
|
spin_unlock_irqrestore(&player->irq_lock, flags); |
|
|
|
player->clk_adj = 0; |
|
|
|
if (!UNIPERIF_TYPE_IS_TDM(player)) |
|
return 0; |
|
|
|
/* refine hw constraint in tdm mode */ |
|
ret = snd_pcm_hw_rule_add(substream->runtime, 0, |
|
SNDRV_PCM_HW_PARAM_CHANNELS, |
|
sti_uniperiph_fix_tdm_chan, |
|
player, SNDRV_PCM_HW_PARAM_CHANNELS, |
|
-1); |
|
if (ret < 0) |
|
return ret; |
|
|
|
return snd_pcm_hw_rule_add(substream->runtime, 0, |
|
SNDRV_PCM_HW_PARAM_FORMAT, |
|
sti_uniperiph_fix_tdm_format, |
|
player, SNDRV_PCM_HW_PARAM_FORMAT, |
|
-1); |
|
} |
|
|
|
static int uni_player_set_sysclk(struct snd_soc_dai *dai, int clk_id, |
|
unsigned int freq, int dir) |
|
{ |
|
struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai); |
|
struct uniperif *player = priv->dai_data.uni; |
|
int ret; |
|
|
|
if (UNIPERIF_TYPE_IS_TDM(player) || (dir == SND_SOC_CLOCK_IN)) |
|
return 0; |
|
|
|
if (clk_id != 0) |
|
return -EINVAL; |
|
|
|
mutex_lock(&player->ctrl_lock); |
|
ret = uni_player_clk_set_rate(player, freq); |
|
if (!ret) |
|
player->mclk = freq; |
|
mutex_unlock(&player->ctrl_lock); |
|
|
|
return ret; |
|
} |
|
|
|
static int uni_player_prepare(struct snd_pcm_substream *substream, |
|
struct snd_soc_dai *dai) |
|
{ |
|
struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai); |
|
struct uniperif *player = priv->dai_data.uni; |
|
struct snd_pcm_runtime *runtime = substream->runtime; |
|
int transfer_size, trigger_limit; |
|
int ret; |
|
|
|
/* The player should be stopped */ |
|
if (player->state != UNIPERIF_STATE_STOPPED) { |
|
dev_err(player->dev, "%s: invalid player state %d\n", __func__, |
|
player->state); |
|
return -EINVAL; |
|
} |
|
|
|
/* Calculate transfer size (in fifo cells and bytes) for frame count */ |
|
if (player->type == SND_ST_UNIPERIF_TYPE_TDM) { |
|
/* transfer size = user frame size (in 32 bits FIFO cell) */ |
|
transfer_size = |
|
sti_uniperiph_get_user_frame_size(runtime) / 4; |
|
} else { |
|
transfer_size = runtime->channels * UNIPERIF_FIFO_FRAMES; |
|
} |
|
|
|
/* Calculate number of empty cells available before asserting DREQ */ |
|
if (player->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0) { |
|
trigger_limit = UNIPERIF_FIFO_SIZE - transfer_size; |
|
} else { |
|
/* |
|
* Since SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 |
|
* FDMA_TRIGGER_LIMIT also controls when the state switches |
|
* from OFF or STANDBY to AUDIO DATA. |
|
*/ |
|
trigger_limit = transfer_size; |
|
} |
|
|
|
/* Trigger limit must be an even number */ |
|
if ((!trigger_limit % 2) || (trigger_limit != 1 && transfer_size % 2) || |
|
(trigger_limit > UNIPERIF_CONFIG_DMA_TRIG_LIMIT_MASK(player))) { |
|
dev_err(player->dev, "invalid trigger limit %d\n", |
|
trigger_limit); |
|
return -EINVAL; |
|
} |
|
|
|
SET_UNIPERIF_CONFIG_DMA_TRIG_LIMIT(player, trigger_limit); |
|
|
|
/* Uniperipheral setup depends on player type */ |
|
switch (player->type) { |
|
case SND_ST_UNIPERIF_TYPE_HDMI: |
|
ret = uni_player_prepare_iec958(player, runtime); |
|
break; |
|
case SND_ST_UNIPERIF_TYPE_PCM: |
|
ret = uni_player_prepare_pcm(player, runtime); |
|
break; |
|
case SND_ST_UNIPERIF_TYPE_SPDIF: |
|
ret = uni_player_prepare_iec958(player, runtime); |
|
break; |
|
case SND_ST_UNIPERIF_TYPE_TDM: |
|
ret = uni_player_prepare_tdm(player, runtime); |
|
break; |
|
default: |
|
dev_err(player->dev, "invalid player type\n"); |
|
return -EINVAL; |
|
} |
|
|
|
if (ret) |
|
return ret; |
|
|
|
switch (player->daifmt & SND_SOC_DAIFMT_INV_MASK) { |
|
case SND_SOC_DAIFMT_NB_NF: |
|
SET_UNIPERIF_I2S_FMT_LR_POL_LOW(player); |
|
SET_UNIPERIF_I2S_FMT_SCLK_EDGE_RISING(player); |
|
break; |
|
case SND_SOC_DAIFMT_NB_IF: |
|
SET_UNIPERIF_I2S_FMT_LR_POL_HIG(player); |
|
SET_UNIPERIF_I2S_FMT_SCLK_EDGE_RISING(player); |
|
break; |
|
case SND_SOC_DAIFMT_IB_NF: |
|
SET_UNIPERIF_I2S_FMT_LR_POL_LOW(player); |
|
SET_UNIPERIF_I2S_FMT_SCLK_EDGE_FALLING(player); |
|
break; |
|
case SND_SOC_DAIFMT_IB_IF: |
|
SET_UNIPERIF_I2S_FMT_LR_POL_HIG(player); |
|
SET_UNIPERIF_I2S_FMT_SCLK_EDGE_FALLING(player); |
|
break; |
|
} |
|
|
|
switch (player->daifmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
|
case SND_SOC_DAIFMT_I2S: |
|
SET_UNIPERIF_I2S_FMT_ALIGN_LEFT(player); |
|
SET_UNIPERIF_I2S_FMT_PADDING_I2S_MODE(player); |
|
break; |
|
case SND_SOC_DAIFMT_LEFT_J: |
|
SET_UNIPERIF_I2S_FMT_ALIGN_LEFT(player); |
|
SET_UNIPERIF_I2S_FMT_PADDING_SONY_MODE(player); |
|
break; |
|
case SND_SOC_DAIFMT_RIGHT_J: |
|
SET_UNIPERIF_I2S_FMT_ALIGN_RIGHT(player); |
|
SET_UNIPERIF_I2S_FMT_PADDING_SONY_MODE(player); |
|
break; |
|
default: |
|
dev_err(player->dev, "format not supported\n"); |
|
return -EINVAL; |
|
} |
|
|
|
SET_UNIPERIF_I2S_FMT_NO_OF_SAMPLES_TO_READ(player, 0); |
|
|
|
|
|
return sti_uniperiph_reset(player); |
|
} |
|
|
|
static int uni_player_start(struct uniperif *player) |
|
{ |
|
int ret; |
|
|
|
/* The player should be stopped */ |
|
if (player->state != UNIPERIF_STATE_STOPPED) { |
|
dev_err(player->dev, "%s: invalid player state\n", __func__); |
|
return -EINVAL; |
|
} |
|
|
|
ret = clk_prepare_enable(player->clk); |
|
if (ret) { |
|
dev_err(player->dev, "%s: Failed to enable clock\n", __func__); |
|
return ret; |
|
} |
|
|
|
/* Clear any pending interrupts */ |
|
SET_UNIPERIF_ITS_BCLR(player, GET_UNIPERIF_ITS(player)); |
|
|
|
/* Set the interrupt mask */ |
|
SET_UNIPERIF_ITM_BSET_DMA_ERROR(player); |
|
SET_UNIPERIF_ITM_BSET_FIFO_ERROR(player); |
|
|
|
/* Enable underflow recovery interrupts */ |
|
if (player->underflow_enabled) { |
|
SET_UNIPERIF_ITM_BSET_UNDERFLOW_REC_DONE(player); |
|
SET_UNIPERIF_ITM_BSET_UNDERFLOW_REC_FAILED(player); |
|
} |
|
|
|
ret = sti_uniperiph_reset(player); |
|
if (ret < 0) { |
|
clk_disable_unprepare(player->clk); |
|
return ret; |
|
} |
|
|
|
/* |
|
* Does not use IEC61937 features of the uniperipheral hardware. |
|
* Instead it performs IEC61937 in software and inserts it directly |
|
* into the audio data stream. As such, when encoded mode is selected, |
|
* linear pcm mode is still used, but with the differences of the |
|
* channel status bits set for encoded mode and the validity bits set. |
|
*/ |
|
SET_UNIPERIF_CTRL_OPERATION_PCM_DATA(player); |
|
|
|
/* |
|
* If iec958 formatting is required for hdmi or spdif, then it must be |
|
* enabled after the operation mode is set. If set prior to this, it |
|
* will not take affect and hang the player. |
|
*/ |
|
if (player->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0) |
|
if (UNIPERIF_TYPE_IS_IEC958(player)) |
|
SET_UNIPERIF_CTRL_SPDIF_FMT_ON(player); |
|
|
|
/* Force channel status update (no update if clk disable) */ |
|
if (player->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0) |
|
SET_UNIPERIF_CONFIG_CHL_STS_UPDATE(player); |
|
else |
|
SET_UNIPERIF_BIT_CONTROL_CHL_STS_UPDATE(player); |
|
|
|
/* Update state to started */ |
|
player->state = UNIPERIF_STATE_STARTED; |
|
|
|
return 0; |
|
} |
|
|
|
static int uni_player_stop(struct uniperif *player) |
|
{ |
|
int ret; |
|
|
|
/* The player should not be in stopped state */ |
|
if (player->state == UNIPERIF_STATE_STOPPED) { |
|
dev_err(player->dev, "%s: invalid player state\n", __func__); |
|
return -EINVAL; |
|
} |
|
|
|
/* Turn the player off */ |
|
SET_UNIPERIF_CTRL_OPERATION_OFF(player); |
|
|
|
ret = sti_uniperiph_reset(player); |
|
if (ret < 0) |
|
return ret; |
|
|
|
/* Disable interrupts */ |
|
SET_UNIPERIF_ITM_BCLR(player, GET_UNIPERIF_ITM(player)); |
|
|
|
/* Disable clock */ |
|
clk_disable_unprepare(player->clk); |
|
|
|
/* Update state to stopped and return */ |
|
player->state = UNIPERIF_STATE_STOPPED; |
|
|
|
return 0; |
|
} |
|
|
|
int uni_player_resume(struct uniperif *player) |
|
{ |
|
int ret; |
|
|
|
/* Select the frequency synthesizer clock */ |
|
if (player->clk_sel) { |
|
ret = regmap_field_write(player->clk_sel, 1); |
|
if (ret) { |
|
dev_err(player->dev, |
|
"%s: Failed to select freq synth clock\n", |
|
__func__); |
|
return ret; |
|
} |
|
} |
|
|
|
SET_UNIPERIF_CONFIG_BACK_STALL_REQ_DISABLE(player); |
|
SET_UNIPERIF_CTRL_ROUNDING_OFF(player); |
|
SET_UNIPERIF_CTRL_SPDIF_LAT_OFF(player); |
|
SET_UNIPERIF_CONFIG_IDLE_MOD_DISABLE(player); |
|
|
|
return 0; |
|
} |
|
EXPORT_SYMBOL_GPL(uni_player_resume); |
|
|
|
static int uni_player_trigger(struct snd_pcm_substream *substream, |
|
int cmd, struct snd_soc_dai *dai) |
|
{ |
|
struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai); |
|
struct uniperif *player = priv->dai_data.uni; |
|
|
|
switch (cmd) { |
|
case SNDRV_PCM_TRIGGER_START: |
|
return uni_player_start(player); |
|
case SNDRV_PCM_TRIGGER_STOP: |
|
return uni_player_stop(player); |
|
case SNDRV_PCM_TRIGGER_RESUME: |
|
return uni_player_resume(player); |
|
default: |
|
return -EINVAL; |
|
} |
|
} |
|
|
|
static void uni_player_shutdown(struct snd_pcm_substream *substream, |
|
struct snd_soc_dai *dai) |
|
{ |
|
struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai); |
|
struct uniperif *player = priv->dai_data.uni; |
|
unsigned long flags; |
|
|
|
spin_lock_irqsave(&player->irq_lock, flags); |
|
if (player->state != UNIPERIF_STATE_STOPPED) |
|
/* Stop the player */ |
|
uni_player_stop(player); |
|
|
|
player->substream = NULL; |
|
spin_unlock_irqrestore(&player->irq_lock, flags); |
|
} |
|
|
|
static int uni_player_parse_dt_audio_glue(struct platform_device *pdev, |
|
struct uniperif *player) |
|
{ |
|
struct device_node *node = pdev->dev.of_node; |
|
struct regmap *regmap; |
|
struct reg_field regfield[2] = { |
|
/* PCM_CLK_SEL */ |
|
REG_FIELD(SYS_CFG_AUDIO_GLUE, |
|
8 + player->id, |
|
8 + player->id), |
|
/* PCMP_VALID_SEL */ |
|
REG_FIELD(SYS_CFG_AUDIO_GLUE, 0, 1) |
|
}; |
|
|
|
regmap = syscon_regmap_lookup_by_phandle(node, "st,syscfg"); |
|
|
|
if (IS_ERR(regmap)) { |
|
dev_err(&pdev->dev, "sti-audio-clk-glue syscf not found\n"); |
|
return PTR_ERR(regmap); |
|
} |
|
|
|
player->clk_sel = regmap_field_alloc(regmap, regfield[0]); |
|
player->valid_sel = regmap_field_alloc(regmap, regfield[1]); |
|
|
|
return 0; |
|
} |
|
|
|
static const struct snd_soc_dai_ops uni_player_dai_ops = { |
|
.startup = uni_player_startup, |
|
.shutdown = uni_player_shutdown, |
|
.prepare = uni_player_prepare, |
|
.trigger = uni_player_trigger, |
|
.hw_params = sti_uniperiph_dai_hw_params, |
|
.set_fmt = sti_uniperiph_dai_set_fmt, |
|
.set_sysclk = uni_player_set_sysclk, |
|
.set_tdm_slot = sti_uniperiph_set_tdm_slot |
|
}; |
|
|
|
int uni_player_init(struct platform_device *pdev, |
|
struct uniperif *player) |
|
{ |
|
int ret = 0; |
|
|
|
player->dev = &pdev->dev; |
|
player->state = UNIPERIF_STATE_STOPPED; |
|
player->dai_ops = &uni_player_dai_ops; |
|
|
|
/* Get PCM_CLK_SEL & PCMP_VALID_SEL from audio-glue-ctrl SoC reg */ |
|
ret = uni_player_parse_dt_audio_glue(pdev, player); |
|
|
|
if (ret < 0) { |
|
dev_err(player->dev, "Failed to parse DeviceTree\n"); |
|
return ret; |
|
} |
|
|
|
/* Underflow recovery is only supported on later ip revisions */ |
|
if (player->ver >= SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0) |
|
player->underflow_enabled = 1; |
|
|
|
if (UNIPERIF_TYPE_IS_TDM(player)) |
|
player->hw = &uni_tdm_hw; |
|
else |
|
player->hw = &uni_player_pcm_hw; |
|
|
|
/* Get uniperif resource */ |
|
player->clk = of_clk_get(pdev->dev.of_node, 0); |
|
if (IS_ERR(player->clk)) { |
|
dev_err(player->dev, "Failed to get clock\n"); |
|
return PTR_ERR(player->clk); |
|
} |
|
|
|
/* Select the frequency synthesizer clock */ |
|
if (player->clk_sel) { |
|
ret = regmap_field_write(player->clk_sel, 1); |
|
if (ret) { |
|
dev_err(player->dev, |
|
"%s: Failed to select freq synth clock\n", |
|
__func__); |
|
return ret; |
|
} |
|
} |
|
|
|
/* connect to I2S/TDM TX bus */ |
|
if (player->valid_sel && |
|
(player->id == UNIPERIF_PLAYER_I2S_OUT)) { |
|
ret = regmap_field_write(player->valid_sel, player->id); |
|
if (ret) { |
|
dev_err(player->dev, |
|
"%s: unable to connect to tdm bus\n", __func__); |
|
return ret; |
|
} |
|
} |
|
|
|
ret = devm_request_irq(&pdev->dev, player->irq, |
|
uni_player_irq_handler, IRQF_SHARED, |
|
dev_name(&pdev->dev), player); |
|
if (ret < 0) { |
|
dev_err(player->dev, "unable to request IRQ %d\n", player->irq); |
|
return ret; |
|
} |
|
|
|
mutex_init(&player->ctrl_lock); |
|
spin_lock_init(&player->irq_lock); |
|
|
|
/* Ensure that disabled by default */ |
|
SET_UNIPERIF_CONFIG_BACK_STALL_REQ_DISABLE(player); |
|
SET_UNIPERIF_CTRL_ROUNDING_OFF(player); |
|
SET_UNIPERIF_CTRL_SPDIF_LAT_OFF(player); |
|
SET_UNIPERIF_CONFIG_IDLE_MOD_DISABLE(player); |
|
|
|
if (UNIPERIF_TYPE_IS_IEC958(player)) { |
|
/* Set default iec958 status bits */ |
|
|
|
/* Consumer, PCM, copyright, 2ch, mode 0 */ |
|
player->stream_settings.iec958.status[0] = 0x00; |
|
/* Broadcast reception category */ |
|
player->stream_settings.iec958.status[1] = |
|
IEC958_AES1_CON_GENERAL; |
|
/* Do not take into account source or channel number */ |
|
player->stream_settings.iec958.status[2] = |
|
IEC958_AES2_CON_SOURCE_UNSPEC; |
|
/* Sampling frequency not indicated */ |
|
player->stream_settings.iec958.status[3] = |
|
IEC958_AES3_CON_FS_NOTID; |
|
/* Max sample word 24-bit, sample word length not indicated */ |
|
player->stream_settings.iec958.status[4] = |
|
IEC958_AES4_CON_MAX_WORDLEN_24 | |
|
IEC958_AES4_CON_WORDLEN_24_20; |
|
|
|
player->num_ctrls = ARRAY_SIZE(snd_sti_iec_ctl); |
|
player->snd_ctrls = snd_sti_iec_ctl[0]; |
|
} else { |
|
player->num_ctrls = ARRAY_SIZE(snd_sti_pcm_ctl); |
|
player->snd_ctrls = snd_sti_pcm_ctl[0]; |
|
} |
|
|
|
return 0; |
|
} |
|
EXPORT_SYMBOL_GPL(uni_player_init);
|
|
|