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Message-Id: <20230509112202.21471-3-srinivas.kandagatla@linaro.org>
Date: Tue, 9 May 2023 12:22:00 +0100
From: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To: broonie@...nel.org
Cc: perex@...ex.cz, tiwai@...e.com, lgirdwood@...il.com,
ckeepax@...nsource.cirrus.com, kuninori.morimoto.gx@...esas.com,
linux-kernel@...r.kernel.org, pierre-louis.bossart@...ux.intel.com,
alsa-devel@...a-project.org,
Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH 2/4] ASoC: qcom: audioreach: add support for DISPLAY PORT SINK module
Add support for DISPLAY PORT SINK module and associated configuration.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
sound/soc/qcom/qdsp6/audioreach.c | 75 +++++++++++++++++++++++++++++++
sound/soc/qcom/qdsp6/audioreach.h | 12 +++++
2 files changed, 87 insertions(+)
diff --git a/sound/soc/qcom/qdsp6/audioreach.c b/sound/soc/qcom/qdsp6/audioreach.c
index 1e0c918eb576..8d9410dcbd45 100644
--- a/sound/soc/qcom/qdsp6/audioreach.c
+++ b/sound/soc/qcom/qdsp6/audioreach.c
@@ -196,6 +196,12 @@ struct apm_codec_dma_module_intf_cfg {
#define APM_CDMA_INTF_CFG_PSIZE ALIGN(sizeof(struct apm_codec_dma_module_intf_cfg), 8)
+struct apm_display_port_module_intf_cfg {
+ struct apm_module_param_data param_data;
+ struct param_id_display_port_intf_cfg cfg;
+} __packed;
+#define APM_DP_INTF_CFG_PSIZE ALIGN(sizeof(struct apm_display_port_module_intf_cfg), 8)
+
static void *__audioreach_alloc_pkt(int payload_size, uint32_t opcode, uint32_t token,
uint32_t src_port, uint32_t dest_port, bool has_cmd_hdr)
{
@@ -582,6 +588,72 @@ int audioreach_graph_send_cmd_sync(struct q6apm_graph *graph, struct gpr_pkt *pk
}
EXPORT_SYMBOL_GPL(audioreach_graph_send_cmd_sync);
+static int audioreach_display_port_set_media_format(struct q6apm_graph *graph,
+ struct audioreach_module *module,
+ struct audioreach_module_config *cfg)
+{
+ struct apm_display_port_module_intf_cfg *intf_cfg;
+ struct apm_module_frame_size_factor_cfg *fs_cfg;
+ struct apm_module_param_data *param_data;
+ struct apm_module_hw_ep_mf_cfg *hw_cfg;
+ int ic_sz, ep_sz, fs_sz, dl_sz;
+ int rc, payload_size;
+ struct gpr_pkt *pkt;
+ void *p;
+
+ ic_sz = APM_DP_INTF_CFG_PSIZE;
+ ep_sz = APM_HW_EP_CFG_PSIZE;
+ fs_sz = APM_FS_CFG_PSIZE;
+ dl_sz = 0;
+
+ payload_size = ic_sz + ep_sz + fs_sz + dl_sz;
+
+ pkt = audioreach_alloc_apm_cmd_pkt(payload_size, APM_CMD_SET_CFG, 0);
+ if (IS_ERR(pkt))
+ return PTR_ERR(pkt);
+
+ p = (void *)pkt + GPR_HDR_SIZE + APM_CMD_HDR_SIZE;
+
+ hw_cfg = p;
+ param_data = &hw_cfg->param_data;
+ param_data->module_instance_id = module->instance_id;
+ param_data->error_code = 0;
+ param_data->param_id = PARAM_ID_HW_EP_MF_CFG;
+ param_data->param_size = ep_sz - APM_MODULE_PARAM_DATA_SIZE;
+
+ hw_cfg->mf.sample_rate = cfg->sample_rate;
+ hw_cfg->mf.bit_width = cfg->bit_width;
+ hw_cfg->mf.num_channels = cfg->num_channels;
+ hw_cfg->mf.data_format = module->data_format;
+ p += ep_sz;
+
+ fs_cfg = p;
+ param_data = &fs_cfg->param_data;
+ param_data->module_instance_id = module->instance_id;
+ param_data->error_code = 0;
+ param_data->param_id = PARAM_ID_HW_EP_FRAME_SIZE_FACTOR;
+ param_data->param_size = fs_sz - APM_MODULE_PARAM_DATA_SIZE;
+ fs_cfg->frame_size_factor = 1;
+ p += fs_sz;
+
+ intf_cfg = p;
+ param_data = &intf_cfg->param_data;
+ param_data->module_instance_id = module->instance_id;
+ param_data->error_code = 0;
+ param_data->param_id = PARAM_ID_DISPLAY_PORT_INTF_CFG;
+ param_data->param_size = ic_sz - APM_MODULE_PARAM_DATA_SIZE;
+
+ intf_cfg->cfg.channel_allocation = cfg->channel_allocation;
+ intf_cfg->cfg.mst_idx = 0;
+ intf_cfg->cfg.dptx_idx = cfg->dp_idx;
+
+ rc = q6apm_send_cmd_sync(graph->apm, pkt, 0);
+
+ kfree(pkt);
+
+ return rc;
+}
+
/* LPASS Codec DMA port Module Media Format Setup */
static int audioreach_codec_dma_set_media_format(struct q6apm_graph *graph,
struct audioreach_module *module,
@@ -1122,6 +1194,9 @@ int audioreach_set_media_format(struct q6apm_graph *graph, struct audioreach_mod
case MODULE_ID_PCM_CNV:
rc = audioreach_pcm_set_media_format(graph, module, cfg);
break;
+ case MODULE_ID_DISPLAY_PORT_SINK:
+ rc = audioreach_display_port_set_media_format(graph, module, cfg);
+ break;
case MODULE_ID_I2S_SOURCE:
case MODULE_ID_I2S_SINK:
rc = audioreach_i2s_set_media_format(graph, module, cfg);
diff --git a/sound/soc/qcom/qdsp6/audioreach.h b/sound/soc/qcom/qdsp6/audioreach.h
index 1d1d47d47d40..3ebb81cd7cb0 100644
--- a/sound/soc/qcom/qdsp6/audioreach.h
+++ b/sound/soc/qcom/qdsp6/audioreach.h
@@ -22,6 +22,7 @@ struct q6apm_graph;
#define MODULE_ID_I2S_SINK 0x0700100A
#define MODULE_ID_I2S_SOURCE 0x0700100B
#define MODULE_ID_DATA_LOGGING 0x0700101A
+#define MODULE_ID_DISPLAY_PORT_SINK 0x07001069
#define APM_CMD_GET_SPF_STATE 0x01001021
#define APM_CMD_RSP_GET_SPF_STATE 0x02001007
@@ -444,6 +445,15 @@ struct param_id_i2s_intf_cfg {
#define PORT_ID_I2S_OUPUT 1
#define I2S_STACK_SIZE 2048
+#define PARAM_ID_DISPLAY_PORT_INTF_CFG 0x08001154
+
+struct param_id_display_port_intf_cfg {
+ uint32_t channel_allocation;
+ /* Multi-Steam Transport index */
+ uint32_t mst_idx;
+ uint32_t dptx_idx;
+} __packed;
+
#define PARAM_ID_HW_EP_MF_CFG 0x08001017
struct param_id_hw_ep_mf {
uint32_t sample_rate;
@@ -702,6 +712,8 @@ struct audioreach_module_config {
u16 data_format;
u16 num_channels;
u16 active_channels_mask;
+ u16 dp_idx;
+ u32 channel_allocation;
u32 sd_line_mask;
int fmt;
u8 channel_map[AR_PCM_MAX_NUM_CHANNEL];
--
2.21.0
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