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Message-Id: <20200209154748.3015-3-adam@serbinski.com>
Date: Sun, 9 Feb 2020 10:47:42 -0500
From: Adam Serbinski <adam@...binski.com>
To: Mark Brown <broonie@...nel.org>,
Srini Kandagatla <srinivas.kandagatla@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>
Cc: Adam Serbinski <adam@...binski.com>,
Andy Gross <agross@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Liam Girdwood <lgirdwood@...il.com>,
Patrick Lai <plai@...eaurora.org>,
Banajit Goswami <bgoswami@...eaurora.org>,
Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/8] ASoC: qdsp6: q6afe: add support to pcm ports
This patch adds support to pcm ports in AFE.
Signed-off-by: Adam Serbinski <adam@...binski.com>
CC: Andy Gross <agross@...nel.org>
CC: Mark Rutland <mark.rutland@....com>
CC: Liam Girdwood <lgirdwood@...il.com>
CC: Patrick Lai <plai@...eaurora.org>
CC: Banajit Goswami <bgoswami@...eaurora.org>
CC: Jaroslav Kysela <perex@...ex.cz>
CC: Takashi Iwai <tiwai@...e.com>
CC: alsa-devel@...a-project.org
CC: linux-arm-msm@...r.kernel.org
CC: devicetree@...r.kernel.org
CC: linux-kernel@...r.kernel.org
---
sound/soc/qcom/qdsp6/q6afe.c | 246 +++++++++++++++++++++++++++++++++++
sound/soc/qcom/qdsp6/q6afe.h | 9 +-
2 files changed, 254 insertions(+), 1 deletion(-)
diff --git a/sound/soc/qcom/qdsp6/q6afe.c b/sound/soc/qcom/qdsp6/q6afe.c
index e0945f7a58c8..b53ad14a78fd 100644
--- a/sound/soc/qcom/qdsp6/q6afe.c
+++ b/sound/soc/qcom/qdsp6/q6afe.c
@@ -40,6 +40,7 @@
#define AFE_PARAM_ID_SLIMBUS_CONFIG 0x00010212
#define AFE_PARAM_ID_I2S_CONFIG 0x0001020D
+#define AFE_PARAM_ID_PCM_CONFIG 0x0001020E
#define AFE_PARAM_ID_TDM_CONFIG 0x0001029D
#define AFE_PARAM_ID_PORT_SLOT_MAPPING_CONFIG 0x00010297
@@ -117,6 +118,15 @@
#define AFE_PORT_ID_QUATERNARY_MI2S_RX 0x1006
#define AFE_PORT_ID_QUATERNARY_MI2S_TX 0x1007
+#define AFE_PORT_ID_PRIMARY_PCM_RX 0x100A
+#define AFE_PORT_ID_PRIMARY_PCM_TX 0x100B
+#define AFE_PORT_ID_SECONDARY_PCM_RX 0x100C
+#define AFE_PORT_ID_SECONDARY_PCM_TX 0x100D
+#define AFE_PORT_ID_TERTIARY_PCM_RX 0x1012
+#define AFE_PORT_ID_TERTIARY_PCM_TX 0x1013
+#define AFE_PORT_ID_QUATERNARY_PCM_RX 0x1014
+#define AFE_PORT_ID_QUATERNARY_PCM_TX 0x1015
+
/* Start of the range of port IDs for TDM devices. */
#define AFE_PORT_ID_TDM_PORT_RANGE_START 0x9000
@@ -421,6 +431,166 @@ struct afe_digital_clk_cfg {
u16 reserved;
} __packed;
+#define AFE_API_VERSION_PCM_CONFIG 0x1
+/* Enumeration for the auxiliary PCM synchronization signal
+ * provided by an external source.
+ */
+
+#define AFE_PORT_PCM_SYNC_SRC_EXTERNAL 0x0
+/* Enumeration for the auxiliary PCM synchronization signal
+ * provided by an internal source.
+ */
+#define AFE_PORT_PCM_SYNC_SRC_INTERNAL 0x1
+/* Enumeration for the PCM configuration aux_mode parameter,
+ * which configures the auxiliary PCM interface to use
+ * short synchronization.
+ */
+#define AFE_PORT_PCM_AUX_MODE_PCM 0x0
+/*
+ * Enumeration for the PCM configuration aux_mode parameter,
+ * which configures the auxiliary PCM interface to use long
+ * synchronization.
+ */
+#define AFE_PORT_PCM_AUX_MODE_AUX 0x1
+/*
+ * Enumeration for setting the PCM configuration frame to 8.
+ */
+#define AFE_PORT_PCM_BITS_PER_FRAME_8 0x0
+/*
+ * Enumeration for setting the PCM configuration frame to 16.
+ */
+#define AFE_PORT_PCM_BITS_PER_FRAME_16 0x1
+
+/* Enumeration for setting the PCM configuration frame to 32.*/
+#define AFE_PORT_PCM_BITS_PER_FRAME_32 0x2
+
+/* Enumeration for setting the PCM configuration frame to 64.*/
+#define AFE_PORT_PCM_BITS_PER_FRAME_64 0x3
+
+/* Enumeration for setting the PCM configuration frame to 128.*/
+#define AFE_PORT_PCM_BITS_PER_FRAME_128 0x4
+
+/* Enumeration for setting the PCM configuration frame to 256.*/
+#define AFE_PORT_PCM_BITS_PER_FRAME_256 0x5
+
+/* Enumeration for setting the PCM configuration
+ * quantype parameter to A-law with no padding.
+ */
+#define AFE_PORT_PCM_ALAW_NOPADDING 0x0
+
+/* Enumeration for setting the PCM configuration quantype
+ * parameter to mu-law with no padding.
+ */
+#define AFE_PORT_PCM_MULAW_NOPADDING 0x1
+/* Enumeration for setting the PCM configuration quantype
+ * parameter to linear with no padding.
+ */
+#define AFE_PORT_PCM_LINEAR_NOPADDING 0x2
+/* Enumeration for setting the PCM configuration quantype
+ * parameter to A-law with padding.
+ */
+#define AFE_PORT_PCM_ALAW_PADDING 0x3
+/* Enumeration for setting the PCM configuration quantype
+ * parameter to mu-law with padding.
+ */
+#define AFE_PORT_PCM_MULAW_PADDING 0x4
+/* Enumeration for setting the PCM configuration quantype
+ * parameter to linear with padding.
+ */
+#define AFE_PORT_PCM_LINEAR_PADDING 0x5
+/* Enumeration for disabling the PCM configuration
+ * ctrl_data_out_enable parameter.
+ * The PCM block is the only master.
+ */
+#define AFE_PORT_PCM_CTRL_DATA_OE_DISABLE 0x0
+/*
+ * Enumeration for enabling the PCM configuration
+ * ctrl_data_out_enable parameter. The PCM block shares
+ * the signal with other masters.
+ */
+#define AFE_PORT_PCM_CTRL_DATA_OE_ENABLE 0x1
+
+/* Payload of the #AFE_PARAM_ID_PCM_CONFIG command's
+ * (PCM configuration parameter).
+ */
+
+struct afe_param_id_pcm_cfg {
+ u32 pcm_cfg_minor_version;
+/* Minor version used for tracking the version of the AUX PCM
+ * configuration interface.
+ * Supported values: #AFE_API_VERSION_PCM_CONFIG
+ */
+
+ u16 aux_mode;
+/* PCM synchronization setting.
+ * Supported values:
+ * - #AFE_PORT_PCM_AUX_MODE_PCM
+ * - #AFE_PORT_PCM_AUX_MODE_AUX
+ */
+
+ u16 sync_src;
+/* Synchronization source.
+ * Supported values:
+ * - #AFE_PORT_PCM_SYNC_SRC_EXTERNAL
+ * - #AFE_PORT_PCM_SYNC_SRC_INTERNAL
+ */
+
+ u16 frame_setting;
+/* Number of bits per frame.
+ * Supported values:
+ * - #AFE_PORT_PCM_BITS_PER_FRAME_8
+ * - #AFE_PORT_PCM_BITS_PER_FRAME_16
+ * - #AFE_PORT_PCM_BITS_PER_FRAME_32
+ * - #AFE_PORT_PCM_BITS_PER_FRAME_64
+ * - #AFE_PORT_PCM_BITS_PER_FRAME_128
+ * - #AFE_PORT_PCM_BITS_PER_FRAME_256
+ */
+
+ u16 quantype;
+/* PCM quantization type.
+ * Supported values:
+ * - #AFE_PORT_PCM_ALAW_NOPADDING
+ * - #AFE_PORT_PCM_MULAW_NOPADDING
+ * - #AFE_PORT_PCM_LINEAR_NOPADDING
+ * - #AFE_PORT_PCM_ALAW_PADDING
+ * - #AFE_PORT_PCM_MULAW_PADDING
+ * - #AFE_PORT_PCM_LINEAR_PADDING
+ */
+
+ u16 ctrl_data_out_enable;
+/* Specifies whether the PCM block shares the data-out
+ * signal to the drive with other masters.
+ * Supported values:
+ * - #AFE_PORT_PCM_CTRL_DATA_OE_DISABLE
+ * - #AFE_PORT_PCM_CTRL_DATA_OE_ENABLE
+ */
+ u16 reserved;
+ /* This field must be set to zero. */
+
+ u32 sample_rate;
+/* Sampling rate of the port.
+ * Supported values:
+ * - #AFE_PORT_SAMPLE_RATE_8K
+ * - #AFE_PORT_SAMPLE_RATE_16K
+ */
+
+ u16 bit_width;
+/* Bit width of the sample.
+ * Supported values: 16
+ */
+
+ u16 num_channels;
+/* Number of channels.
+ * Supported values: 1 to 4
+ */
+
+ u16 slot_number_mapping[4];
+/* Specifies the slot number for the each channel in
+ * multi channel scenario.
+ * Supported values: 1 to 32
+ */
+} __packed;
+
struct afe_param_id_i2s_cfg {
u32 i2s_cfg_minor_version;
u16 bit_width;
@@ -452,6 +622,7 @@ union afe_port_config {
struct afe_param_id_hdmi_multi_chan_audio_cfg hdmi_multi_ch;
struct afe_param_id_slimbus_cfg slim_cfg;
struct afe_param_id_i2s_cfg i2s_cfg;
+ struct afe_param_id_pcm_cfg pcm_cfg;
struct afe_param_id_tdm_cfg tdm_cfg;
} __packed;
@@ -707,6 +878,22 @@ static struct afe_port_map port_maps[AFE_PORT_MAX] = {
QUINARY_TDM_TX_7, 0, 1},
[DISPLAY_PORT_RX] = { AFE_PORT_ID_HDMI_OVER_DP_RX,
DISPLAY_PORT_RX, 1, 1},
+ [PRIMARY_PCM_RX] = { AFE_PORT_ID_PRIMARY_PCM_RX,
+ PRIMARY_PCM_RX, 1, 1},
+ [PRIMARY_PCM_TX] = { AFE_PORT_ID_PRIMARY_PCM_TX,
+ PRIMARY_PCM_RX, 0, 1},
+ [SECONDARY_PCM_RX] = { AFE_PORT_ID_SECONDARY_PCM_RX,
+ SECONDARY_PCM_RX, 1, 1},
+ [SECONDARY_PCM_TX] = { AFE_PORT_ID_SECONDARY_PCM_TX,
+ SECONDARY_PCM_TX, 0, 1},
+ [TERTIARY_PCM_RX] = { AFE_PORT_ID_TERTIARY_PCM_RX,
+ TERTIARY_PCM_RX, 1, 1},
+ [TERTIARY_PCM_TX] = { AFE_PORT_ID_TERTIARY_PCM_TX,
+ TERTIARY_PCM_TX, 0, 1},
+ [QUATERNARY_PCM_RX] = { AFE_PORT_ID_QUATERNARY_PCM_RX,
+ QUATERNARY_PCM_RX, 1, 1},
+ [QUATERNARY_PCM_TX] = { AFE_PORT_ID_QUATERNARY_PCM_TX,
+ QUATERNARY_PCM_TX, 0, 1},
};
static void q6afe_port_free(struct kref *ref)
@@ -993,6 +1180,7 @@ int q6afe_port_set_sysclk(struct q6afe_port *port, int clk_id,
break;
case Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT ... Q6AFE_LPASS_CLK_ID_QUI_MI2S_OSR:
case Q6AFE_LPASS_CLK_ID_MCLK_1 ... Q6AFE_LPASS_CLK_ID_INT_MCLK_1:
+ /* TDM cases overlap with PCM */
case Q6AFE_LPASS_CLK_ID_PRI_TDM_IBIT ... Q6AFE_LPASS_CLK_ID_QUIN_TDM_EBIT:
cset.clk_set_minor_version = AFE_API_VERSION_CLOCK_SET;
cset.clk_id = clk_id;
@@ -1145,6 +1333,54 @@ void q6afe_hdmi_port_prepare(struct q6afe_port *port,
}
EXPORT_SYMBOL_GPL(q6afe_hdmi_port_prepare);
+/**
+ * q6afe_pcm_port_prepare() - Prepare pcm afe port.
+ *
+ * @port: Instance of afe port
+ * @cfg: PCM configuration for the afe port
+ *
+ */
+int q6afe_pcm_port_prepare(struct q6afe_port *port, struct q6afe_pcm_cfg *cfg)
+{
+ union afe_port_config *pcfg = &port->port_cfg;
+
+ pcfg->pcm_cfg.pcm_cfg_minor_version = AFE_API_VERSION_PCM_CONFIG;
+ pcfg->pcm_cfg.aux_mode = AFE_PORT_PCM_AUX_MODE_PCM;
+
+ switch (cfg->fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ pcfg->pcm_cfg.sync_src = AFE_PORT_PCM_SYNC_SRC_INTERNAL;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFM:
+ /* CPU is slave */
+ pcfg->pcm_cfg.sync_src = AFE_PORT_PCM_SYNC_SRC_EXTERNAL;
+ break;
+ default:
+ break;
+ }
+
+ switch (cfg->sample_rate) {
+ case 8000:
+ pcfg->pcm_cfg.frame_setting = AFE_PORT_PCM_BITS_PER_FRAME_128;
+ break;
+ case 16000:
+ pcfg->pcm_cfg.frame_setting = AFE_PORT_PCM_BITS_PER_FRAME_64;
+ break;
+ }
+ pcfg->pcm_cfg.quantype = AFE_PORT_PCM_LINEAR_NOPADDING;
+ pcfg->pcm_cfg.ctrl_data_out_enable = AFE_PORT_PCM_CTRL_DATA_OE_DISABLE;
+ pcfg->pcm_cfg.reserved = 0;
+ pcfg->pcm_cfg.sample_rate = cfg->sample_rate;
+
+ /* 16 bit mono */
+ pcfg->pcm_cfg.bit_width = 16;
+ pcfg->pcm_cfg.num_channels = 1;
+ pcfg->pcm_cfg.slot_number_mapping[0] = 1;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(q6afe_pcm_port_prepare);
+
/**
* q6afe_i2s_port_prepare() - Prepare i2s afe port.
*
@@ -1417,6 +1653,16 @@ struct q6afe_port *q6afe_port_get_from_id(struct device *dev, int id)
case AFE_PORT_ID_QUATERNARY_MI2S_TX:
cfg_type = AFE_PARAM_ID_I2S_CONFIG;
break;
+ case AFE_PORT_ID_PRIMARY_PCM_RX:
+ case AFE_PORT_ID_PRIMARY_PCM_TX:
+ case AFE_PORT_ID_SECONDARY_PCM_RX:
+ case AFE_PORT_ID_SECONDARY_PCM_TX:
+ case AFE_PORT_ID_TERTIARY_PCM_RX:
+ case AFE_PORT_ID_TERTIARY_PCM_TX:
+ case AFE_PORT_ID_QUATERNARY_PCM_RX:
+ case AFE_PORT_ID_QUATERNARY_PCM_TX:
+ cfg_type = AFE_PARAM_ID_PCM_CONFIG;
+ break;
case AFE_PORT_ID_PRIMARY_TDM_RX ... AFE_PORT_ID_QUINARY_TDM_TX_7:
cfg_type = AFE_PARAM_ID_TDM_CONFIG;
break;
diff --git a/sound/soc/qcom/qdsp6/q6afe.h b/sound/soc/qcom/qdsp6/q6afe.h
index c7ed5422baff..c832be6d0ff5 100644
--- a/sound/soc/qcom/qdsp6/q6afe.h
+++ b/sound/soc/qcom/qdsp6/q6afe.h
@@ -5,7 +5,7 @@
#include <dt-bindings/sound/qcom,q6afe.h>
-#define AFE_PORT_MAX 105
+#define AFE_PORT_MAX 113
#define MSM_AFE_PORT_TYPE_RX 0
#define MSM_AFE_PORT_TYPE_TX 1
@@ -170,6 +170,11 @@ struct q6afe_i2s_cfg {
int fmt;
};
+struct q6afe_pcm_cfg {
+ u32 sample_rate;
+ int fmt;
+};
+
struct q6afe_tdm_cfg {
u16 num_channels;
u32 sample_rate;
@@ -188,6 +193,7 @@ struct q6afe_port_config {
struct q6afe_hdmi_cfg hdmi;
struct q6afe_slim_cfg slim;
struct q6afe_i2s_cfg i2s_cfg;
+ struct q6afe_pcm_cfg pcm_cfg;
struct q6afe_tdm_cfg tdm;
};
@@ -203,6 +209,7 @@ void q6afe_hdmi_port_prepare(struct q6afe_port *port,
void q6afe_slim_port_prepare(struct q6afe_port *port,
struct q6afe_slim_cfg *cfg);
int q6afe_i2s_port_prepare(struct q6afe_port *port, struct q6afe_i2s_cfg *cfg);
+int q6afe_pcm_port_prepare(struct q6afe_port *port, struct q6afe_pcm_cfg *cfg);
void q6afe_tdm_port_prepare(struct q6afe_port *port, struct q6afe_tdm_cfg *cfg);
int q6afe_port_set_sysclk(struct q6afe_port *port, int clk_id,
--
2.21.1
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