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Merge remote-tracking branches 'asoc/topic/atmel', 'asoc/topic/chmap', 'asoc/topic/cq93vc' and 'asoc/topic/da7218' into asoc-next

This commit is contained in:
Mark Brown 2017-02-19 16:36:13 +00:00
parent a2d64282dd ca8c7f233f 8480ac5679 31489c0b1d ac29a8f417
commit b7707a8be6
11 changed files with 511 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/devicetree/bindings/misc/atmel-ssc.txt
View File

@ -24,6 +24,8 @@ Optional properties:
this parameter to choose where the clock from.
- By default the clock is from TK pin, if the clock from RK pin, this
property is needed.
- #sound-dai-cells: Should contain <0>.
- This property makes the SSC into an automatically registered DAI.
Examples:
- PDC transfer:

11
Documentation/devicetree/bindings/sound/axentia,tse850-pcm5142.txt
View File

@ -2,8 +2,7 @@ Devicetree bindings for the Axentia TSE-850 audio complex
Required properties:
- compatible: "axentia,tse850-pcm5142"
- axentia,ssc-controller: The phandle of the atmel SSC controller used as
cpu dai.
- axentia,cpu-dai: The phandle of the cpu dai.
- axentia,audio-codec: The phandle of the PCM5142 codec.
- axentia,add-gpios: gpio specifier that controls the mixer.
- axentia,loop1-gpios: gpio specifier that controls loop relays on channel 1.
@ -43,6 +42,12 @@ the PCM5142 codec.
Example:
&ssc0 {
#sound-dai-cells = <0>;
status = "okay";
};
&i2c {
codec: pcm5142@4c {
compatible = "ti,pcm5142";
@ -77,7 +82,7 @@ Example:
sound {
compatible = "axentia,tse850-pcm5142";
axentia,ssc-controller = <&ssc0>;
axentia,cpu-dai = <&ssc0>;
axentia,audio-codec = <&codec>;
axentia,add-gpios = <&pioA 8 GPIO_ACTIVE_LOW>;

50
drivers/misc/atmel-ssc.c
View File

@ -20,6 +20,8 @@
#include <linux/of.h>
#include "../../sound/soc/atmel/atmel_ssc_dai.h"
/* Serialize access to ssc_list and user count */
static DEFINE_SPINLOCK(user_lock);
static LIST_HEAD(ssc_list);
@ -145,6 +147,49 @@ static inline const struct atmel_ssc_platform_data * __init
platform_get_device_id(pdev)->driver_data;
}
#ifdef CONFIG_SND_ATMEL_SOC_SSC
static int ssc_sound_dai_probe(struct ssc_device *ssc)
{
struct device_node *np = ssc->pdev->dev.of_node;
int ret;
int id;
ssc->sound_dai = false;
if (!of_property_read_bool(np, "#sound-dai-cells"))
return 0;
id = of_alias_get_id(np, "ssc");
if (id < 0)
return id;
ret = atmel_ssc_set_audio(id);
ssc->sound_dai = !ret;
return ret;
}
static void ssc_sound_dai_remove(struct ssc_device *ssc)
{
if (!ssc->sound_dai)
return;
atmel_ssc_put_audio(of_alias_get_id(ssc->pdev->dev.of_node, "ssc"));
}
#else
static inline int ssc_sound_dai_probe(struct ssc_device *ssc)
{
if (of_property_read_bool(ssc->pdev->dev.of_node, "#sound-dai-cells"))
return -ENOTSUPP;
return 0;
}
static inline void ssc_sound_dai_remove(struct ssc_device *ssc)
{
}
#endif
static int ssc_probe(struct platform_device *pdev)
{
struct resource *regs;
@ -204,6 +249,9 @@ static int ssc_probe(struct platform_device *pdev)
dev_info(&pdev->dev, "Atmel SSC device at 0x%p (irq %d)\n",
ssc->regs, ssc->irq);
if (ssc_sound_dai_probe(ssc))
dev_err(&pdev->dev, "failed to auto-setup ssc for audio\n");
return 0;
}
@ -211,6 +259,8 @@ static int ssc_remove(struct platform_device *pdev)
{
struct ssc_device *ssc = platform_get_drvdata(pdev);
ssc_sound_dai_remove(ssc);
spin_lock(&user_lock);
list_del(&ssc->list);
spin_unlock(&user_lock);

13
include/drm/drm_edid.h
View File

@ -248,6 +248,7 @@ struct detailed_timing {
# define DRM_ELD_AUD_SYNCH_DELAY_MAX 0xfa /* 500 ms */
#define DRM_ELD_SPEAKER 7
# define DRM_ELD_SPEAKER_MASK 0x7f
# define DRM_ELD_SPEAKER_RLRC (1 << 6)
# define DRM_ELD_SPEAKER_FLRC (1 << 5)
# define DRM_ELD_SPEAKER_RC (1 << 4)
@ -413,6 +414,18 @@ static inline int drm_eld_size(const uint8_t *eld)
return DRM_ELD_HEADER_BLOCK_SIZE + eld[DRM_ELD_BASELINE_ELD_LEN] * 4;
}
/**
* drm_eld_get_spk_alloc - Get speaker allocation
* @eld: pointer to an ELD memory structure
*
* The returned value is the speakers mask. User has to use %DRM_ELD_SPEAKER
* field definitions to identify speakers.
*/
static inline u8 drm_eld_get_spk_alloc(const uint8_t *eld)
{
return eld[DRM_ELD_SPEAKER] & DRM_ELD_SPEAKER_MASK;
}
/**
* drm_eld_get_conn_type - Get device type hdmi/dp connected
* @eld: pointer to an ELD memory structure

1
include/linux/atmel-ssc.h
View File

@ -20,6 +20,7 @@ struct ssc_device {
int user;
int irq;
bool clk_from_rk_pin;
bool sound_dai;
};
struct ssc_device * __must_check ssc_request(unsigned int ssc_num);

3
include/sound/soc-dai.h
View File

@ -256,6 +256,9 @@ struct snd_soc_dai_driver {
int (*resume)(struct snd_soc_dai *dai);
/* compress dai */
int (*compress_new)(struct snd_soc_pcm_runtime *rtd, int num);
/* Optional Callback used at pcm creation*/
int (*pcm_new)(struct snd_soc_pcm_runtime *rtd,
struct snd_soc_dai *dai);
/* DAI is also used for the control bus */
bool bus_control;

23
sound/soc/atmel/tse850-pcm5142.c
View File

@ -51,11 +51,7 @@
#include <sound/soc.h>
#include <sound/pcm_params.h>
#include "atmel_ssc_dai.h"
struct tse850_priv {
int ssc_id;
struct gpio_desc *add;
struct gpio_desc *loop1;
struct gpio_desc *loop2;
@ -329,23 +325,20 @@ static int tse850_dt_init(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
struct device_node *codec_np, *cpu_np;
struct snd_soc_card *card = &tse850_card;
struct snd_soc_dai_link *dailink = &tse850_dailink;
struct tse850_priv *tse850 = snd_soc_card_get_drvdata(card);
if (!np) {
dev_err(&pdev->dev, "only device tree supported\n");
return -EINVAL;
}
cpu_np = of_parse_phandle(np, "axentia,ssc-controller", 0);
cpu_np = of_parse_phandle(np, "axentia,cpu-dai", 0);
if (!cpu_np) {
dev_err(&pdev->dev, "failed to get dai and pcm info\n");
dev_err(&pdev->dev, "failed to get cpu dai\n");
return -EINVAL;
}
dailink->cpu_of_node = cpu_np;
dailink->platform_of_node = cpu_np;
tse850->ssc_id = of_alias_get_id(cpu_np, "ssc");
of_node_put(cpu_np);
codec_np = of_parse_phandle(np, "axentia,audio-codec", 0);
@ -415,23 +408,14 @@ static int tse850_probe(struct platform_device *pdev)
return ret;
}
ret = atmel_ssc_set_audio(tse850->ssc_id);
if (ret != 0) {
dev_err(dev,
"failed to set SSC %d for audio\n", tse850->ssc_id);
goto err_disable_ana;
}
ret = snd_soc_register_card(card);
if (ret) {
dev_err(dev, "snd_soc_register_card failed\n");
goto err_put_audio;
goto err_disable_ana;
}
return 0;
err_put_audio:
atmel_ssc_put_audio(tse850->ssc_id);
err_disable_ana:
regulator_disable(tse850->ana);
return ret;
@ -443,7 +427,6 @@ static int tse850_remove(struct platform_device *pdev)
struct tse850_priv *tse850 = snd_soc_card_get_drvdata(card);
snd_soc_unregister_card(card);
atmel_ssc_put_audio(tse850->ssc_id);
regulator_disable(tse850->ana);
return 0;

2
sound/soc/codecs/Kconfig
View File

@ -45,7 +45,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_ALC5623 if I2C
select SND_SOC_ALC5632 if I2C
select SND_SOC_BT_SCO
select SND_SOC_CQ0093VC if MFD_DAVINCI_VOICECODEC
select SND_SOC_CQ0093VC
select SND_SOC_CS35L32 if I2C
select SND_SOC_CS35L33 if I2C
select SND_SOC_CS35L34 if I2C

3
sound/soc/codecs/da7218.c
View File

@ -1634,7 +1634,8 @@ static const struct snd_soc_dapm_widget da7218_dapm_widgets[] = {
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
/* DAI */
SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, DA7218_DAI_TDM_CTRL,
DA7218_DAI_OE_SHIFT, DA7218_NO_INVERT),
SND_SOC_DAPM_AIF_IN("DAIIN", "Playback", 0, SND_SOC_NOPM, 0, 0),
/* Output Mixers */

403
sound/soc/codecs/hdmi-codec.c
View File

@ -18,6 +18,7 @@
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/tlv.h>
#include <sound/pcm_drm_eld.h>
#include <sound/hdmi-codec.h>
#include <sound/pcm_iec958.h>
@ -31,8 +32,261 @@ struct hdmi_device {
};
#define pos_to_hdmi_device(pos) container_of((pos), struct hdmi_device, list)
LIST_HEAD(hdmi_device_list);
static DEFINE_MUTEX(hdmi_mutex);
#define DAI_NAME_SIZE 16
#define HDMI_CODEC_CHMAP_IDX_UNKNOWN -1
struct hdmi_codec_channel_map_table {
unsigned char map; /* ALSA API channel map position */
unsigned long spk_mask; /* speaker position bit mask */
};
/*
* CEA speaker placement for HDMI 1.4:
*
* FL FLC FC FRC FR FRW
*
* LFE
*
* RL RLC RC RRC RR
*
* Speaker placement has to be extended to support HDMI 2.0
*/
enum hdmi_codec_cea_spk_placement {
FL = BIT(0), /* Front Left */
FC = BIT(1), /* Front Center */
FR = BIT(2), /* Front Right */
FLC = BIT(3), /* Front Left Center */
FRC = BIT(4), /* Front Right Center */
RL = BIT(5), /* Rear Left */
RC = BIT(6), /* Rear Center */
RR = BIT(7), /* Rear Right */
RLC = BIT(8), /* Rear Left Center */
RRC = BIT(9), /* Rear Right Center */
LFE = BIT(10), /* Low Frequency Effect */
};
/*
* cea Speaker allocation structure
*/
struct hdmi_codec_cea_spk_alloc {
const int ca_id;
unsigned int n_ch;
unsigned long mask;
};
/* Channel maps stereo HDMI */
const struct snd_pcm_chmap_elem hdmi_codec_stereo_chmaps[] = {
{ .channels = 2,
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
{ }
};
/* Channel maps for multi-channel playbacks, up to 8 n_ch */
const struct snd_pcm_chmap_elem hdmi_codec_8ch_chmaps[] = {
{ .channels = 2, /* CA_ID 0x00 */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
{ .channels = 4, /* CA_ID 0x01 */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
SNDRV_CHMAP_NA } },
{ .channels = 4, /* CA_ID 0x02 */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
SNDRV_CHMAP_FC } },
{ .channels = 4, /* CA_ID 0x03 */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
SNDRV_CHMAP_FC } },
{ .channels = 6, /* CA_ID 0x04 */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
SNDRV_CHMAP_NA, SNDRV_CHMAP_RC, SNDRV_CHMAP_NA } },
{ .channels = 6, /* CA_ID 0x05 */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
SNDRV_CHMAP_NA, SNDRV_CHMAP_RC, SNDRV_CHMAP_NA } },
{ .channels = 6, /* CA_ID 0x06 */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
SNDRV_CHMAP_FC, SNDRV_CHMAP_RC, SNDRV_CHMAP_NA } },
{ .channels = 6, /* CA_ID 0x07 */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
SNDRV_CHMAP_FC, SNDRV_CHMAP_RC, SNDRV_CHMAP_NA } },
{ .channels = 6, /* CA_ID 0x08 */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
SNDRV_CHMAP_NA, SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } },
{ .channels = 6, /* CA_ID 0x09 */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
SNDRV_CHMAP_NA, SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } },
{ .channels = 6, /* CA_ID 0x0A */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
SNDRV_CHMAP_FC, SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } },
{ .channels = 6, /* CA_ID 0x0B */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
SNDRV_CHMAP_FC, SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } },
{ .channels = 8, /* CA_ID 0x0C */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
SNDRV_CHMAP_NA, SNDRV_CHMAP_RL, SNDRV_CHMAP_RR,
SNDRV_CHMAP_RC, SNDRV_CHMAP_NA } },
{ .channels = 8, /* CA_ID 0x0D */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
SNDRV_CHMAP_NA, SNDRV_CHMAP_RL, SNDRV_CHMAP_RR,
SNDRV_CHMAP_RC, SNDRV_CHMAP_NA } },
{ .channels = 8, /* CA_ID 0x0E */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
SNDRV_CHMAP_FC, SNDRV_CHMAP_RL, SNDRV_CHMAP_RR,
SNDRV_CHMAP_RC, SNDRV_CHMAP_NA } },
{ .channels = 8, /* CA_ID 0x0F */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
SNDRV_CHMAP_FC, SNDRV_CHMAP_RL, SNDRV_CHMAP_RR,
SNDRV_CHMAP_RC, SNDRV_CHMAP_NA } },
{ .channels = 8, /* CA_ID 0x10 */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
SNDRV_CHMAP_NA, SNDRV_CHMAP_RL, SNDRV_CHMAP_RR,
SNDRV_CHMAP_RLC, SNDRV_CHMAP_RRC } },
{ .channels = 8, /* CA_ID 0x11 */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
SNDRV_CHMAP_NA, SNDRV_CHMAP_RL, SNDRV_CHMAP_RR,
SNDRV_CHMAP_RLC, SNDRV_CHMAP_RRC } },
{ .channels = 8, /* CA_ID 0x12 */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
SNDRV_CHMAP_FC, SNDRV_CHMAP_RL, SNDRV_CHMAP_RR,
SNDRV_CHMAP_RLC, SNDRV_CHMAP_RRC } },
{ .channels = 8, /* CA_ID 0x13 */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
SNDRV_CHMAP_FC, SNDRV_CHMAP_RL, SNDRV_CHMAP_RR,
SNDRV_CHMAP_RLC, SNDRV_CHMAP_RRC } },
{ .channels = 8, /* CA_ID 0x14 */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
SNDRV_CHMAP_NA, SNDRV_CHMAP_NA, SNDRV_CHMAP_NA,
SNDRV_CHMAP_FLC, SNDRV_CHMAP_FRC } },
{ .channels = 8, /* CA_ID 0x15 */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
SNDRV_CHMAP_NA, SNDRV_CHMAP_NA, SNDRV_CHMAP_NA,
SNDRV_CHMAP_FLC, SNDRV_CHMAP_FRC } },
{ .channels = 8, /* CA_ID 0x16 */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
SNDRV_CHMAP_FC, SNDRV_CHMAP_NA, SNDRV_CHMAP_NA,
SNDRV_CHMAP_FLC, SNDRV_CHMAP_FRC } },
{ .channels = 8, /* CA_ID 0x17 */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
SNDRV_CHMAP_FC, SNDRV_CHMAP_NA, SNDRV_CHMAP_NA,
SNDRV_CHMAP_FLC, SNDRV_CHMAP_FRC } },
{ .channels = 8, /* CA_ID 0x18 */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
SNDRV_CHMAP_NA, SNDRV_CHMAP_NA, SNDRV_CHMAP_NA,
SNDRV_CHMAP_FLC, SNDRV_CHMAP_FRC } },
{ .channels = 8, /* CA_ID 0x19 */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
SNDRV_CHMAP_NA, SNDRV_CHMAP_NA, SNDRV_CHMAP_NA,
SNDRV_CHMAP_FLC, SNDRV_CHMAP_FRC } },
{ .channels = 8, /* CA_ID 0x1A */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
SNDRV_CHMAP_FC, SNDRV_CHMAP_NA, SNDRV_CHMAP_NA,
SNDRV_CHMAP_FLC, SNDRV_CHMAP_FRC } },
{ .channels = 8, /* CA_ID 0x1B */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
SNDRV_CHMAP_FC, SNDRV_CHMAP_NA, SNDRV_CHMAP_NA,
SNDRV_CHMAP_FLC, SNDRV_CHMAP_FRC } },
{ .channels = 8, /* CA_ID 0x1C */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
SNDRV_CHMAP_NA, SNDRV_CHMAP_NA, SNDRV_CHMAP_NA,
SNDRV_CHMAP_FLC, SNDRV_CHMAP_FRC } },
{ .channels = 8, /* CA_ID 0x1D */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
SNDRV_CHMAP_NA, SNDRV_CHMAP_NA, SNDRV_CHMAP_NA,
SNDRV_CHMAP_FLC, SNDRV_CHMAP_FRC } },
{ .channels = 8, /* CA_ID 0x1E */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
SNDRV_CHMAP_FC, SNDRV_CHMAP_NA, SNDRV_CHMAP_NA,
SNDRV_CHMAP_FLC, SNDRV_CHMAP_FRC } },
{ .channels = 8, /* CA_ID 0x1F */
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
SNDRV_CHMAP_FC, SNDRV_CHMAP_NA, SNDRV_CHMAP_NA,
SNDRV_CHMAP_FLC, SNDRV_CHMAP_FRC } },
{ }
};
/*
* hdmi_codec_channel_alloc: speaker configuration available for CEA
*
* This is an ordered list that must match with hdmi_codec_8ch_chmaps struct
* The preceding ones have better chances to be selected by
* hdmi_codec_get_ch_alloc_table_idx().
*/
static const struct hdmi_codec_cea_spk_alloc hdmi_codec_channel_alloc[] = {
{ .ca_id = 0x00, .n_ch = 2,
.mask = FL | FR},
/* 2.1 */
{ .ca_id = 0x01, .n_ch = 4,
.mask = FL | FR | LFE},
/* Dolby Surround */
{ .ca_id = 0x02, .n_ch = 4,
.mask = FL | FR | FC },
/* surround51 */
{ .ca_id = 0x0b, .n_ch = 6,
.mask = FL | FR | LFE | FC | RL | RR},
/* surround40 */
{ .ca_id = 0x08, .n_ch = 6,
.mask = FL | FR | RL | RR },
/* surround41 */
{ .ca_id = 0x09, .n_ch = 6,
.mask = FL | FR | LFE | RL | RR },
/* surround50 */
{ .ca_id = 0x0a, .n_ch = 6,
.mask = FL | FR | FC | RL | RR },
/* 6.1 */
{ .ca_id = 0x0f, .n_ch = 8,
.mask = FL | FR | LFE | FC | RL | RR | RC },
/* surround71 */
{ .ca_id = 0x13, .n_ch = 8,
.mask = FL | FR | LFE | FC | RL | RR | RLC | RRC },
/* others */
{ .ca_id = 0x03, .n_ch = 8,
.mask = FL | FR | LFE | FC },
{ .ca_id = 0x04, .n_ch = 8,
.mask = FL | FR | RC},
{ .ca_id = 0x05, .n_ch = 8,
.mask = FL | FR | LFE | RC },
{ .ca_id = 0x06, .n_ch = 8,
.mask = FL | FR | FC | RC },
{ .ca_id = 0x07, .n_ch = 8,
.mask = FL | FR | LFE | FC | RC },
{ .ca_id = 0x0c, .n_ch = 8,
.mask = FL | FR | RC | RL | RR },
{ .ca_id = 0x0d, .n_ch = 8,
.mask = FL | FR | LFE | RL | RR | RC },
{ .ca_id = 0x0e, .n_ch = 8,
.mask = FL | FR | FC | RL | RR | RC },
{ .ca_id = 0x10, .n_ch = 8,
.mask = FL | FR | RL | RR | RLC | RRC },
{ .ca_id = 0x11, .n_ch = 8,
.mask = FL | FR | LFE | RL | RR | RLC | RRC },
{ .ca_id = 0x12, .n_ch = 8,
.mask = FL | FR | FC | RL | RR | RLC | RRC },
{ .ca_id = 0x14, .n_ch = 8,
.mask = FL | FR | FLC | FRC },
{ .ca_id = 0x15, .n_ch = 8,
.mask = FL | FR | LFE | FLC | FRC },
{ .ca_id = 0x16, .n_ch = 8,
.mask = FL | FR | FC | FLC | FRC },
{ .ca_id = 0x17, .n_ch = 8,
.mask = FL | FR | LFE | FC | FLC | FRC },
{ .ca_id = 0x18, .n_ch = 8,
.mask = FL | FR | RC | FLC | FRC },
{ .ca_id = 0x19, .n_ch = 8,
.mask = FL | FR | LFE | RC | FLC | FRC },
{ .ca_id = 0x1a, .n_ch = 8,
.mask = FL | FR | RC | FC | FLC | FRC },
{ .ca_id = 0x1b, .n_ch = 8,
.mask = FL | FR | LFE | RC | FC | FLC | FRC },
{ .ca_id = 0x1c, .n_ch = 8,
.mask = FL | FR | RL | RR | FLC | FRC },
{ .ca_id = 0x1d, .n_ch = 8,
.mask = FL | FR | LFE | RL | RR | FLC | FRC },
{ .ca_id = 0x1e, .n_ch = 8,
.mask = FL | FR | FC | RL | RR | FLC | FRC },
{ .ca_id = 0x1f, .n_ch = 8,
.mask = FL | FR | LFE | FC | RL | RR | FLC | FRC },
};
struct hdmi_codec_priv {
struct hdmi_codec_pdata hcd;
struct snd_soc_dai_driver *daidrv;
@ -41,6 +295,8 @@ struct hdmi_codec_priv {
struct snd_pcm_substream *current_stream;
struct snd_pcm_hw_constraint_list ratec;
uint8_t eld[MAX_ELD_BYTES];
struct snd_pcm_chmap *chmap_info;
unsigned int chmap_idx;
};
static const struct snd_soc_dapm_widget hdmi_widgets[] = {
@ -79,6 +335,83 @@ static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
return 0;
}
static unsigned long hdmi_codec_spk_mask_from_alloc(int spk_alloc)
{
int i;
const unsigned long hdmi_codec_eld_spk_alloc_bits[] = {
[0] = FL | FR, [1] = LFE, [2] = FC, [3] = RL | RR,
[4] = RC, [5] = FLC | FRC, [6] = RLC | RRC,
};
unsigned long spk_mask = 0;
for (i = 0; i < ARRAY_SIZE(hdmi_codec_eld_spk_alloc_bits); i++) {
if (spk_alloc & (1 << i))
spk_mask |= hdmi_codec_eld_spk_alloc_bits[i];
}
return spk_mask;
}
void hdmi_codec_eld_chmap(struct hdmi_codec_priv *hcp)
{
u8 spk_alloc;
unsigned long spk_mask;
spk_alloc = drm_eld_get_spk_alloc(hcp->eld);
spk_mask = hdmi_codec_spk_mask_from_alloc(spk_alloc);
/* Detect if only stereo supported, else return 8 channels mappings */
if ((spk_mask & ~(FL | FR)) && hcp->chmap_info->max_channels > 2)
hcp->chmap_info->chmap = hdmi_codec_8ch_chmaps;
else
hcp->chmap_info->chmap = hdmi_codec_stereo_chmaps;
}
static int hdmi_codec_get_ch_alloc_table_idx(struct hdmi_codec_priv *hcp,
unsigned char channels)
{
int i;
u8 spk_alloc;
unsigned long spk_mask;
const struct hdmi_codec_cea_spk_alloc *cap = hdmi_codec_channel_alloc;
spk_alloc = drm_eld_get_spk_alloc(hcp->eld);
spk_mask = hdmi_codec_spk_mask_from_alloc(spk_alloc);
for (i = 0; i < ARRAY_SIZE(hdmi_codec_channel_alloc); i++, cap++) {
/* If spk_alloc == 0, HDMI is unplugged return stereo config*/
if (!spk_alloc && cap->ca_id == 0)
return i;
if (cap->n_ch != channels)
continue;
if (!(cap->mask == (spk_mask & cap->mask)))
continue;
return i;
}
return -EINVAL;
}
static int hdmi_codec_chmap_ctl_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
unsigned const char *map;
unsigned int i;
struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
struct hdmi_codec_priv *hcp = info->private_data;
map = info->chmap[hcp->chmap_idx].map;
for (i = 0; i < info->max_channels; i++) {
if (hcp->chmap_idx == HDMI_CODEC_CHMAP_IDX_UNKNOWN)
ucontrol->value.integer.value[i] = 0;
else
ucontrol->value.integer.value[i] = map[i];
}
return 0;
}
static const struct snd_kcontrol_new hdmi_controls[] = {
{
.access = SNDRV_CTL_ELEM_ACCESS_READ |
@ -140,6 +473,8 @@ static int hdmi_codec_startup(struct snd_pcm_substream *substream,
if (ret)
return ret;
}
/* Select chmap supported */
hdmi_codec_eld_chmap(hcp);
}
return 0;
}
@ -153,6 +488,7 @@ static void hdmi_codec_shutdown(struct snd_pcm_substream *substream,
WARN_ON(hcp->current_stream != substream);
hcp->chmap_idx = HDMI_CODEC_CHMAP_IDX_UNKNOWN;
hcp->hcd.ops->audio_shutdown(dai->dev->parent, hcp->hcd.data);
mutex_lock(&hcp->current_stream_lock);
@ -173,7 +509,7 @@ static int hdmi_codec_hw_params(struct snd_pcm_substream *substream,
.dig_subframe = { 0 },
}
};
int ret;
int ret, idx;
dev_dbg(dai->dev, "%s() width %d rate %d channels %d\n", __func__,
params_width(params), params_rate(params),
@ -200,6 +536,17 @@ static int hdmi_codec_hw_params(struct snd_pcm_substream *substream,
hp.cea.sample_size = HDMI_AUDIO_SAMPLE_SIZE_STREAM;
hp.cea.sample_frequency = HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM;
/* Select a channel allocation that matches with ELD and pcm channels */
idx = hdmi_codec_get_ch_alloc_table_idx(hcp, hp.cea.channels);
if (idx < 0) {
dev_err(dai->dev, "Not able to map channels to speakers (%d)\n",
idx);
hcp->chmap_idx = HDMI_CODEC_CHMAP_IDX_UNKNOWN;
return idx;
}
hp.cea.channel_allocation = hdmi_codec_channel_alloc[idx].ca_id;
hcp->chmap_idx = hdmi_codec_channel_alloc[idx].ca_id;
hp.sample_width = params_width(params);
hp.sample_rate = params_rate(params);
hp.channels = params_channels(params);
@ -328,6 +675,32 @@ static const struct snd_soc_dai_ops hdmi_dai_ops = {
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE |\
SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE)
static int hdmi_codec_pcm_new(struct snd_soc_pcm_runtime *rtd,
struct snd_soc_dai *dai)
{
struct snd_soc_dai_driver *drv = dai->driver;
struct hdmi_codec_priv *hcp = snd_soc_dai_get_drvdata(dai);
int ret;
dev_dbg(dai->dev, "%s()\n", __func__);
ret = snd_pcm_add_chmap_ctls(rtd->pcm, SNDRV_PCM_STREAM_PLAYBACK,
NULL, drv->playback.channels_max, 0,
&hcp->chmap_info);
if (ret < 0)
return ret;
/* override handlers */
hcp->chmap_info->private_data = hcp;
hcp->chmap_info->kctl->get = hdmi_codec_chmap_ctl_get;
/* default chmap supported is stereo */
hcp->chmap_info->chmap = hdmi_codec_stereo_chmaps;
hcp->chmap_idx = HDMI_CODEC_CHMAP_IDX_UNKNOWN;
return 0;
}
static struct snd_soc_dai_driver hdmi_i2s_dai = {
.id = DAI_ID_I2S,
.playback = {
@ -339,6 +712,7 @@ static struct snd_soc_dai_driver hdmi_i2s_dai = {
.sig_bits = 24,
},
.ops = &hdmi_dai_ops,
.pcm_new = hdmi_codec_pcm_new,
};
static const struct snd_soc_dai_driver hdmi_spdif_dai = {
@ -351,6 +725,7 @@ static const struct snd_soc_dai_driver hdmi_spdif_dai = {
.formats = SPDIF_FORMATS,
},
.ops = &hdmi_dai_ops,
.pcm_new = hdmi_codec_pcm_new,
};
static char hdmi_dai_name[][DAI_NAME_SIZE] = {
@ -420,6 +795,7 @@ static int hdmi_codec_probe(struct platform_device *pdev)
return -ENOMEM;
hd = NULL;
mutex_lock(&hdmi_mutex);
list_for_each(pos, &hdmi_device_list) {
struct hdmi_device *tmp = pos_to_hdmi_device(pos);
@ -431,13 +807,16 @@ static int hdmi_codec_probe(struct platform_device *pdev)
if (!hd) {
hd = devm_kzalloc(dev, sizeof(*hd), GFP_KERNEL);
if (!hd)
if (!hd) {
mutex_unlock(&hdmi_mutex);
return -ENOMEM;
}
hd->dev = dev->parent;
list_add_tail(&hd->list, &hdmi_device_list);
}
mutex_unlock(&hdmi_mutex);
if (hd->cnt >= ARRAY_SIZE(hdmi_dai_name)) {
dev_err(dev, "too many hdmi codec are deteced\n");
@ -479,7 +858,25 @@ static int hdmi_codec_probe(struct platform_device *pdev)
static int hdmi_codec_remove(struct platform_device *pdev)
{
snd_soc_unregister_codec(&pdev->dev);
struct device *dev = &pdev->dev;
struct list_head *pos;
struct hdmi_codec_priv *hcp;
mutex_lock(&hdmi_mutex);
list_for_each(pos, &hdmi_device_list) {
struct hdmi_device *tmp = pos_to_hdmi_device(pos);
if (tmp->dev == dev->parent) {
list_del(pos);
break;
}
}
mutex_unlock(&hdmi_mutex);
hcp = dev_get_drvdata(dev);
kfree(hcp->chmap_info);
snd_soc_unregister_codec(dev);
return 0;
}

28
sound/soc/soc-core.c
View File

@ -1594,6 +1594,27 @@ static int soc_probe_dai(struct snd_soc_dai *dai, int order)
return 0;
}
static int soc_link_dai_pcm_new(struct snd_soc_dai **dais, int num_dais,
struct snd_soc_pcm_runtime *rtd)
{
int i, ret = 0;
for (i = 0; i < num_dais; ++i) {
struct snd_soc_dai_driver *drv = dais[i]->driver;
if (!rtd->dai_link->no_pcm && drv->pcm_new)
ret = drv->pcm_new(rtd, dais[i]);
if (ret < 0) {
dev_err(dais[i]->dev,
"ASoC: Failed to bind %s with pcm device\n",
dais[i]->name);
return ret;
}
}
return 0;
}
static int soc_link_dai_widgets(struct snd_soc_card *card,
struct snd_soc_dai_link *dai_link,
struct snd_soc_pcm_runtime *rtd)
@ -1705,6 +1726,13 @@ static int soc_probe_link_dais(struct snd_soc_card *card,
dai_link->stream_name, ret);
return ret;
}
ret = soc_link_dai_pcm_new(&cpu_dai, 1, rtd);
if (ret < 0)
return ret;
ret = soc_link_dai_pcm_new(rtd->codec_dais,
rtd->num_codecs, rtd);
if (ret < 0)
return ret;
} else {
INIT_DELAYED_WORK(&rtd->delayed_work,
codec2codec_close_delayed_work);