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-rw-r--r--Documentation/devicetree/bindings/misc/atmel-ssc.txt2
-rw-r--r--Documentation/devicetree/bindings/sound/axentia,tse850-pcm5142.txt11
-rw-r--r--drivers/misc/atmel-ssc.c50
-rw-r--r--include/drm/drm_edid.h13
-rw-r--r--include/linux/atmel-ssc.h1
-rw-r--r--include/sound/soc-dai.h3
-rw-r--r--sound/soc/atmel/tse850-pcm5142.c23
-rw-r--r--sound/soc/codecs/Kconfig2
-rw-r--r--sound/soc/codecs/da7218.c3
-rw-r--r--sound/soc/codecs/hdmi-codec.c403
-rw-r--r--sound/soc/soc-core.c28
11 files changed, 511 insertions, 28 deletions
diff --git a/Documentation/devicetree/bindings/misc/atmel-ssc.txt b/Documentation/devicetree/bindings/misc/atmel-ssc.txt
index efc98ea1f23d..f8629bb73945 100644
--- a/Documentation/devicetree/bindings/misc/atmel-ssc.txt
+++ b/Documentation/devicetree/bindings/misc/atmel-ssc.txt
@@ -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:
diff --git a/Documentation/devicetree/bindings/sound/axentia,tse850-pcm5142.txt b/Documentation/devicetree/bindings/sound/axentia,tse850-pcm5142.txt
index 5b9b38f578bb..fdb25b492514 100644
--- a/Documentation/devicetree/bindings/sound/axentia,tse850-pcm5142.txt
+++ b/Documentation/devicetree/bindings/sound/axentia,tse850-pcm5142.txt
@@ -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>;
diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c
index 0516ecda54d3..b2a0340f277e 100644
--- a/drivers/misc/atmel-ssc.c
+++ b/drivers/misc/atmel-ssc.c
@@ -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);
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index 38eabf65f19d..2705a66b770b 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -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)
@@ -414,6 +415,18 @@ static inline int drm_eld_size(const uint8_t *eld)
}
/**
+ * 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
*
diff --git a/include/linux/atmel-ssc.h b/include/linux/atmel-ssc.h
index 7c0f6549898b..fdb545101ede 100644
--- a/include/linux/atmel-ssc.h
+++ b/include/linux/atmel-ssc.h
@@ -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);
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index 200e1f04c166..58acd00cae19 100644
--- a/include/sound/soc-dai.h
+++ b/include/sound/soc-dai.h
@@ -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;
diff --git a/sound/soc/atmel/tse850-pcm5142.c b/sound/soc/atmel/tse850-pcm5142.c
index ac6a814c8ecf..a72c7d642026 100644
--- a/sound/soc/atmel/tse850-pcm5142.c
+++ b/sound/soc/atmel/tse850-pcm5142.c
@@ -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;
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 9e1718a8cb1c..928baa69de91 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -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
diff --git a/sound/soc/codecs/da7218.c b/sound/soc/codecs/da7218.c
index c69e97654fc6..d256ebf9e309 100644
--- a/sound/soc/codecs/da7218.c
+++ b/sound/soc/codecs/da7218.c
@@ -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 */
diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c
index 90b5948e0ff3..8c5ae1fc23a9 100644
--- a/sound/soc/codecs/hdmi-codec.c
+++ b/sound/soc/codecs/hdmi-codec.c
@@ -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;
}
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 78fa42589fdf..4d9fb44db4f5 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -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);
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-12 20:13:54 +0000