[PATCH 1/8] ASoC: q6dsp: q6afe: add support to Codec DMA ports

From: Srinivas Kandagatla
Date: Thu Sep 10 2020 - 06:18:59 EST


New LPASS supports various codec macros, DSP firmware already
has support to those ports. Add corresponding configuration
support to those ports in adsp drivers.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
include/dt-bindings/sound/qcom,q6afe.h | 22 +++++
sound/soc/qcom/qdsp6/q6afe.c | 127 ++++++++++++++++++++++++-
sound/soc/qcom/qdsp6/q6afe.h | 14 ++-
3 files changed, 161 insertions(+), 2 deletions(-)

diff --git a/include/dt-bindings/sound/qcom,q6afe.h b/include/dt-bindings/sound/qcom,q6afe.h
index 1df06f8ad5c3..7207ab2b57bf 100644
--- a/include/dt-bindings/sound/qcom,q6afe.h
+++ b/include/dt-bindings/sound/qcom,q6afe.h
@@ -107,6 +107,28 @@
#define QUINARY_TDM_RX_7 102
#define QUINARY_TDM_TX_7 103
#define DISPLAY_PORT_RX 104
+#define WSA_CODEC_DMA_RX_0 105
+#define WSA_CODEC_DMA_TX_0 106
+#define WSA_CODEC_DMA_RX_1 107
+#define WSA_CODEC_DMA_TX_1 108
+#define WSA_CODEC_DMA_TX_2 109
+#define VA_CODEC_DMA_TX_0 110
+#define VA_CODEC_DMA_TX_1 111
+#define VA_CODEC_DMA_TX_2 112
+#define RX_CODEC_DMA_RX_0 113
+#define TX_CODEC_DMA_TX_0 114
+#define RX_CODEC_DMA_RX_1 115
+#define TX_CODEC_DMA_TX_1 116
+#define RX_CODEC_DMA_RX_2 117
+#define TX_CODEC_DMA_TX_2 118
+#define RX_CODEC_DMA_RX_3 119
+#define TX_CODEC_DMA_TX_3 120
+#define RX_CODEC_DMA_RX_4 121
+#define TX_CODEC_DMA_TX_4 122
+#define RX_CODEC_DMA_RX_5 123
+#define TX_CODEC_DMA_TX_5 124
+#define RX_CODEC_DMA_RX_6 125
+#define RX_CODEC_DMA_RX_7 126

#endif /* __DT_BINDINGS_Q6_AFE_H__ */

diff --git a/sound/soc/qcom/qdsp6/q6afe.c b/sound/soc/qcom/qdsp6/q6afe.c
index e0945f7a58c8..8ceefb431bcb 100644
--- a/sound/soc/qcom/qdsp6/q6afe.c
+++ b/sound/soc/qcom/qdsp6/q6afe.c
@@ -42,6 +42,7 @@
#define AFE_PARAM_ID_I2S_CONFIG 0x0001020D
#define AFE_PARAM_ID_TDM_CONFIG 0x0001029D
#define AFE_PARAM_ID_PORT_SLOT_MAPPING_CONFIG 0x00010297
+#define AFE_PARAM_ID_CODEC_DMA_CONFIG 0x000102B8

/* I2S config specific */
#define AFE_API_VERSION_I2S_CONFIG 0x1
@@ -299,12 +300,58 @@
#define AFE_PORT_ID_QUINARY_TDM_TX_7 \
(AFE_PORT_ID_QUINARY_TDM_TX + 0x0E)

+/* AFE WSA Codec DMA Rx port 0 */
+#define AFE_PORT_ID_WSA_CODEC_DMA_RX_0 0xB000
+/* AFE WSA Codec DMA Tx port 0 */
+#define AFE_PORT_ID_WSA_CODEC_DMA_TX_0 0xB001
+/* AFE WSA Codec DMA Rx port 1 */
+#define AFE_PORT_ID_WSA_CODEC_DMA_RX_1 0xB002
+/* AFE WSA Codec DMA Tx port 1 */
+#define AFE_PORT_ID_WSA_CODEC_DMA_TX_1 0xB003
+/* AFE WSA Codec DMA Tx port 2 */
+#define AFE_PORT_ID_WSA_CODEC_DMA_TX_2 0xB005
+/* AFE VA Codec DMA Tx port 0 */
+#define AFE_PORT_ID_VA_CODEC_DMA_TX_0 0xB021
+/* AFE VA Codec DMA Tx port 1 */
+#define AFE_PORT_ID_VA_CODEC_DMA_TX_1 0xB023
+/* AFE VA Codec DMA Tx port 2 */
+#define AFE_PORT_ID_VA_CODEC_DMA_TX_2 0xB025
+/* AFE Rx Codec DMA Rx port 0 */
+#define AFE_PORT_ID_RX_CODEC_DMA_RX_0 0xB030
+/* AFE Tx Codec DMA Tx port 0 */
+#define AFE_PORT_ID_TX_CODEC_DMA_TX_0 0xB031
+/* AFE Rx Codec DMA Rx port 1 */
+#define AFE_PORT_ID_RX_CODEC_DMA_RX_1 0xB032
+/* AFE Tx Codec DMA Tx port 1 */
+#define AFE_PORT_ID_TX_CODEC_DMA_TX_1 0xB033
+/* AFE Rx Codec DMA Rx port 2 */
+#define AFE_PORT_ID_RX_CODEC_DMA_RX_2 0xB034
+/* AFE Tx Codec DMA Tx port 2 */
+#define AFE_PORT_ID_TX_CODEC_DMA_TX_2 0xB035
+/* AFE Rx Codec DMA Rx port 3 */
+#define AFE_PORT_ID_RX_CODEC_DMA_RX_3 0xB036
+/* AFE Tx Codec DMA Tx port 3 */
+#define AFE_PORT_ID_TX_CODEC_DMA_TX_3 0xB037
+/* AFE Rx Codec DMA Rx port 4 */
+#define AFE_PORT_ID_RX_CODEC_DMA_RX_4 0xB038
+/* AFE Tx Codec DMA Tx port 4 */
+#define AFE_PORT_ID_TX_CODEC_DMA_TX_4 0xB039
+/* AFE Rx Codec DMA Rx port 5 */
+#define AFE_PORT_ID_RX_CODEC_DMA_RX_5 0xB03A
+/* AFE Tx Codec DMA Tx port 5 */
+#define AFE_PORT_ID_TX_CODEC_DMA_TX_5 0xB03B
+/* AFE Rx Codec DMA Rx port 6 */
+#define AFE_PORT_ID_RX_CODEC_DMA_RX_6 0xB03C
+/* AFE Rx Codec DMA Rx port 7 */
+#define AFE_PORT_ID_RX_CODEC_DMA_RX_7 0xB03E
+
#define Q6AFE_LPASS_MODE_CLK1_VALID 1
#define Q6AFE_LPASS_MODE_CLK2_VALID 2
#define Q6AFE_LPASS_CLK_SRC_INTERNAL 1
#define Q6AFE_LPASS_CLK_ROOT_DEFAULT 0
#define AFE_API_VERSION_TDM_CONFIG 1
#define AFE_API_VERSION_SLOT_MAPPING_CONFIG 1
+#define AFE_API_VERSION_CODEC_DMA_CONFIG 1

#define TIMEOUT_MS 1000
#define AFE_CMD_RESP_AVAIL 0
@@ -448,11 +495,21 @@ struct afe_param_id_tdm_cfg {
u32 slot_mask;
} __packed;

+struct afe_param_id_cdc_dma_cfg {
+ u32 cdc_dma_cfg_minor_version;
+ u32 sample_rate;
+ u16 bit_width;
+ u16 data_format;
+ u16 num_channels;
+ u16 active_channels_mask;
+} __packed;
+
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_tdm_cfg tdm_cfg;
+ struct afe_param_id_cdc_dma_cfg dma_cfg;
} __packed;


@@ -707,6 +764,50 @@ 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},
+ [WSA_CODEC_DMA_RX_0] = { AFE_PORT_ID_WSA_CODEC_DMA_RX_0,
+ WSA_CODEC_DMA_RX_0, 1, 1},
+ [WSA_CODEC_DMA_TX_0] = { AFE_PORT_ID_WSA_CODEC_DMA_TX_0,
+ WSA_CODEC_DMA_TX_0, 0, 1},
+ [WSA_CODEC_DMA_RX_1] = { AFE_PORT_ID_WSA_CODEC_DMA_RX_1,
+ WSA_CODEC_DMA_RX_1, 1, 1},
+ [WSA_CODEC_DMA_TX_1] = { AFE_PORT_ID_WSA_CODEC_DMA_TX_1,
+ WSA_CODEC_DMA_TX_1, 0, 1},
+ [WSA_CODEC_DMA_TX_2] = { AFE_PORT_ID_WSA_CODEC_DMA_TX_2,
+ WSA_CODEC_DMA_TX_2, 0, 1},
+ [VA_CODEC_DMA_TX_0] = { AFE_PORT_ID_VA_CODEC_DMA_TX_0,
+ VA_CODEC_DMA_TX_0, 0, 1},
+ [VA_CODEC_DMA_TX_1] = { AFE_PORT_ID_VA_CODEC_DMA_TX_1,
+ VA_CODEC_DMA_TX_1, 0, 1},
+ [VA_CODEC_DMA_TX_2] = { AFE_PORT_ID_VA_CODEC_DMA_TX_2,
+ VA_CODEC_DMA_TX_2, 0, 1},
+ [RX_CODEC_DMA_RX_0] = { AFE_PORT_ID_RX_CODEC_DMA_RX_0,
+ RX_CODEC_DMA_RX_0, 1, 1},
+ [TX_CODEC_DMA_TX_0] = { AFE_PORT_ID_TX_CODEC_DMA_TX_0,
+ TX_CODEC_DMA_TX_0, 0, 1},
+ [RX_CODEC_DMA_RX_1] = { AFE_PORT_ID_RX_CODEC_DMA_RX_1,
+ RX_CODEC_DMA_RX_1, 1, 1},
+ [TX_CODEC_DMA_TX_1] = { AFE_PORT_ID_TX_CODEC_DMA_TX_1,
+ TX_CODEC_DMA_TX_1, 0, 1},
+ [RX_CODEC_DMA_RX_2] = { AFE_PORT_ID_RX_CODEC_DMA_RX_2,
+ RX_CODEC_DMA_RX_2, 1, 1},
+ [TX_CODEC_DMA_TX_2] = { AFE_PORT_ID_TX_CODEC_DMA_TX_2,
+ TX_CODEC_DMA_TX_2, 0, 1},
+ [RX_CODEC_DMA_RX_3] = { AFE_PORT_ID_RX_CODEC_DMA_RX_3,
+ RX_CODEC_DMA_RX_3, 1, 1},
+ [TX_CODEC_DMA_TX_3] = { AFE_PORT_ID_TX_CODEC_DMA_TX_3,
+ TX_CODEC_DMA_TX_3, 0, 1},
+ [RX_CODEC_DMA_RX_4] = { AFE_PORT_ID_RX_CODEC_DMA_RX_4,
+ RX_CODEC_DMA_RX_4, 1, 1},
+ [TX_CODEC_DMA_TX_4] = { AFE_PORT_ID_TX_CODEC_DMA_TX_4,
+ TX_CODEC_DMA_TX_4, 0, 1},
+ [RX_CODEC_DMA_RX_5] = { AFE_PORT_ID_RX_CODEC_DMA_RX_5,
+ RX_CODEC_DMA_RX_5, 1, 1},
+ [TX_CODEC_DMA_TX_5] = { AFE_PORT_ID_TX_CODEC_DMA_TX_5,
+ TX_CODEC_DMA_TX_5, 0, 1},
+ [RX_CODEC_DMA_RX_6] = { AFE_PORT_ID_RX_CODEC_DMA_RX_6,
+ RX_CODEC_DMA_RX_6, 1, 1},
+ [RX_CODEC_DMA_RX_7] = { AFE_PORT_ID_RX_CODEC_DMA_RX_7,
+ RX_CODEC_DMA_RX_7, 1, 1},
};

static void q6afe_port_free(struct kref *ref)
@@ -1288,6 +1389,28 @@ int q6afe_i2s_port_prepare(struct q6afe_port *port, struct q6afe_i2s_cfg *cfg)
}
EXPORT_SYMBOL_GPL(q6afe_i2s_port_prepare);

+/**
+ * q6afe_dam_port_prepare() - Prepare dma afe port.
+ *
+ * @port: Instance of afe port
+ * @cfg: DMA configuration for the afe port
+ *
+ */
+void q6afe_cdc_dma_port_prepare(struct q6afe_port *port,
+ struct q6afe_cdc_dma_cfg *cfg)
+{
+ union afe_port_config *pcfg = &port->port_cfg;
+ struct afe_param_id_cdc_dma_cfg *dma_cfg = &pcfg->dma_cfg;
+
+ dma_cfg->cdc_dma_cfg_minor_version = AFE_API_VERSION_CODEC_DMA_CONFIG;
+ dma_cfg->sample_rate = cfg->sample_rate;
+ dma_cfg->bit_width = cfg->bit_width;
+ dma_cfg->data_format = cfg->data_format;
+ dma_cfg->num_channels = cfg->num_channels;
+ if (!cfg->active_channels_mask)
+ dma_cfg->active_channels_mask = (1 << cfg->num_channels) - 1;
+}
+EXPORT_SYMBOL_GPL(q6afe_cdc_dma_port_prepare);
/**
* q6afe_port_start() - Start a afe port
*
@@ -1420,7 +1543,9 @@ struct q6afe_port *q6afe_port_get_from_id(struct device *dev, int id)
case AFE_PORT_ID_PRIMARY_TDM_RX ... AFE_PORT_ID_QUINARY_TDM_TX_7:
cfg_type = AFE_PARAM_ID_TDM_CONFIG;
break;
-
+ case AFE_PORT_ID_WSA_CODEC_DMA_RX_0 ... AFE_PORT_ID_RX_CODEC_DMA_RX_7:
+ cfg_type = AFE_PARAM_ID_CODEC_DMA_CONFIG;
+ break;
default:
dev_err(dev, "Invalid port id 0x%x\n", port_id);
return ERR_PTR(-EINVAL);
diff --git a/sound/soc/qcom/qdsp6/q6afe.h b/sound/soc/qcom/qdsp6/q6afe.h
index c7ed5422baff..1f7cbed9335d 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 127

#define MSM_AFE_PORT_TYPE_RX 0
#define MSM_AFE_PORT_TYPE_TX 1
@@ -184,11 +184,21 @@ struct q6afe_tdm_cfg {
u16 ch_mapping[AFE_MAX_CHAN_COUNT];
};

+struct q6afe_cdc_dma_cfg {
+ u16 sample_rate;
+ u16 bit_width;
+ u16 data_format;
+ u16 num_channels;
+ u16 active_channels_mask;
+};
+
+
struct q6afe_port_config {
struct q6afe_hdmi_cfg hdmi;
struct q6afe_slim_cfg slim;
struct q6afe_i2s_cfg i2s_cfg;
struct q6afe_tdm_cfg tdm;
+ struct q6afe_cdc_dma_cfg dma_cfg;
};

struct q6afe_port;
@@ -204,6 +214,8 @@ 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);
void q6afe_tdm_port_prepare(struct q6afe_port *port, struct q6afe_tdm_cfg *cfg);
+void q6afe_cdc_dma_port_prepare(struct q6afe_port *port,
+ struct q6afe_cdc_dma_cfg *cfg);

int q6afe_port_set_sysclk(struct q6afe_port *port, int clk_id,
int clk_src, int clk_root,
--
2.21.0