Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org --- sound/soc/qcom/qdsp6/q6afe.c | 99 ++++++++++++++++++++++++++++++++++++ sound/soc/qcom/qdsp6/q6afe.h | 8 +++ 2 files changed, 107 insertions(+)
diff --git a/sound/soc/qcom/qdsp6/q6afe.c b/sound/soc/qcom/qdsp6/q6afe.c index 2a8e3c3acb10..51c94dd9998d 100644 --- a/sound/soc/qcom/qdsp6/q6afe.c +++ b/sound/soc/qcom/qdsp6/q6afe.c @@ -43,6 +43,9 @@ #define AFE_PARAM_ID_TDM_CONFIG 0x0001029D #define AFE_PARAM_ID_PORT_SLOT_MAPPING_CONFIG 0x00010297 #define AFE_PARAM_ID_CODEC_DMA_CONFIG 0x000102B8 +#define AFE_CMD_REMOTE_LPASS_CORE_HW_VOTE_REQUEST 0x000100f4 +#define AFE_CMD_RSP_REMOTE_LPASS_CORE_HW_VOTE_REQUEST 0x000100f5 +#define AFE_CMD_REMOTE_LPASS_CORE_HW_DEVOTE_REQUEST 0x000100f6
/* I2S config specific */ #define AFE_API_VERSION_I2S_CONFIG 0x1 @@ -545,6 +548,18 @@ struct q6afe_port { struct list_head node; };
+struct afe_cmd_remote_lpass_core_hw_vote_request { + uint32_t hw_block_id; + char client_name[8]; +} __packed; + +struct afe_cmd_remote_lpass_core_hw_devote_request { + uint32_t hw_block_id; + uint32_t client_handle; +} __packed; + + + struct afe_port_map { int port_id; int token; @@ -880,6 +895,11 @@ static int q6afe_callback(struct apr_device *adev, struct apr_resp_pkt *data) } } break; + case AFE_CMD_RSP_REMOTE_LPASS_CORE_HW_VOTE_REQUEST: + afe->result.opcode = hdr->opcode; + afe->result.status = res->status; + wake_up(&afe->wait); + break; default: break; } @@ -1593,6 +1613,85 @@ void q6afe_port_put(struct q6afe_port *port) } EXPORT_SYMBOL_GPL(q6afe_port_put);
+int q6afe_unvote_lpass_core_hw(struct device *dev, uint32_t hw_block_id, + uint32_t client_handle) +{ + struct q6afe *afe = dev_get_drvdata(dev->parent); + struct afe_cmd_remote_lpass_core_hw_devote_request *vote_cfg; + struct apr_pkt *pkt; + int ret = 0; + int pkt_size; + void *p; + + pkt_size = APR_HDR_SIZE + sizeof(*vote_cfg); + p = kzalloc(pkt_size, GFP_KERNEL); + if (!p) + return -ENOMEM; + + pkt = p; + vote_cfg = p + APR_HDR_SIZE; + + pkt->hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD, + APR_HDR_LEN(APR_HDR_SIZE), + APR_PKT_VER); + pkt->hdr.pkt_size = pkt_size; + pkt->hdr.src_port = 0; + pkt->hdr.dest_port = 0; + pkt->hdr.token = hw_block_id; + pkt->hdr.opcode = AFE_CMD_REMOTE_LPASS_CORE_HW_DEVOTE_REQUEST; + vote_cfg->hw_block_id = hw_block_id; + vote_cfg->client_handle = client_handle; + + ret = apr_send_pkt(afe->apr, pkt); + if (ret < 0) + dev_err(afe->dev, "AFE failed to unvote (%d)\n", hw_block_id); + + kfree(pkt); + return ret; +} +EXPORT_SYMBOL(q6afe_unvote_lpass_core_hw); + +int q6afe_vote_lpass_core_hw(struct device *dev, uint32_t hw_block_id, + char *client_name, uint32_t *client_handle) +{ + struct q6afe *afe = dev_get_drvdata(dev->parent); + struct afe_cmd_remote_lpass_core_hw_vote_request *vote_cfg; + struct apr_pkt *pkt; + int ret = 0; + int pkt_size; + void *p; + + pkt_size = APR_HDR_SIZE + sizeof(*vote_cfg); + p = kzalloc(pkt_size, GFP_KERNEL); + if (!p) + return -ENOMEM; + + pkt = p; + vote_cfg = p + APR_HDR_SIZE; + + pkt->hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD, + APR_HDR_LEN(APR_HDR_SIZE), + APR_PKT_VER); + pkt->hdr.pkt_size = pkt_size; + pkt->hdr.src_port = 0; + pkt->hdr.dest_port = 0; + pkt->hdr.token = hw_block_id; + pkt->hdr.opcode = AFE_CMD_REMOTE_LPASS_CORE_HW_VOTE_REQUEST; + vote_cfg->hw_block_id = hw_block_id; + strlcpy(vote_cfg->client_name, client_name, + sizeof(vote_cfg->client_name)); + + ret = afe_apr_send_pkt(afe, pkt, NULL, + AFE_CMD_RSP_REMOTE_LPASS_CORE_HW_VOTE_REQUEST); + if (ret) + dev_err(afe->dev, "AFE failed to vote (%d)\n", hw_block_id); + + + kfree(pkt); + return ret; +} +EXPORT_SYMBOL(q6afe_vote_lpass_core_hw); + static int q6afe_probe(struct apr_device *adev) { struct q6afe *afe; diff --git a/sound/soc/qcom/qdsp6/q6afe.h b/sound/soc/qcom/qdsp6/q6afe.h index 1f7cbed9335d..93592670ef0b 100644 --- a/sound/soc/qcom/qdsp6/q6afe.h +++ b/sound/soc/qcom/qdsp6/q6afe.h @@ -133,6 +133,10 @@ /* Clock ID for INT MCLK1 */ #define Q6AFE_LPASS_CLK_ID_INT_MCLK_1 0x306
+#define Q6AFE_LPASS_CORE_AVTIMER_BLOCK 0x2 +#define Q6AFE_LPASS_CORE_HW_MACRO_BLOCK 0x3 +#define Q6AFE_LPASS_CORE_HW_DCODEC_BLOCK 0x4 + /* Clock attribute for invalid use (reserved for internal usage) */ #define Q6AFE_LPASS_CLK_ATTRIBUTE_INVALID 0x0 /* Clock attribute for no couple case */ @@ -220,4 +224,8 @@ void q6afe_cdc_dma_port_prepare(struct q6afe_port *port, int q6afe_port_set_sysclk(struct q6afe_port *port, int clk_id, int clk_src, int clk_root, unsigned int freq, int dir); +int q6afe_vote_lpass_core_hw(struct device *dev, uint32_t hw_block_id, + char *client_name, uint32_t *client_handle); +int q6afe_unvote_lpass_core_hw(struct device *dev, uint32_t hw_block_id, + uint32_t client_handle); #endif /* __Q6AFE_H__ */