diff options
Diffstat (limited to 'sound/soc/qcom/qdsp6/q6prm.c')
| -rw-r--r-- | sound/soc/qcom/qdsp6/q6prm.c | 53 |
1 files changed, 51 insertions, 2 deletions
diff --git a/sound/soc/qcom/qdsp6/q6prm.c b/sound/soc/qcom/qdsp6/q6prm.c index 82c40f2d4e1d..cda33ded29be 100644 --- a/sound/soc/qcom/qdsp6/q6prm.c +++ b/sound/soc/qcom/qdsp6/q6prm.c @@ -42,6 +42,12 @@ struct prm_cmd_request_rsc { struct audio_hw_clk_cfg clock_id; } __packed; +struct prm_cmd_release_rsc { + struct apm_module_param_data param_data; + uint32_t num_clk_id; + struct audio_hw_clk_rel_cfg clock_id; +} __packed; + static int q6prm_send_cmd_sync(struct q6prm *prm, struct gpr_pkt *pkt, uint32_t rsp_opcode) { return audioreach_send_cmd_sync(prm->dev, prm->gdev, &prm->result, &prm->lock, @@ -102,8 +108,8 @@ int q6prm_unvote_lpass_core_hw(struct device *dev, uint32_t hw_block_id, uint32_ } EXPORT_SYMBOL_GPL(q6prm_unvote_lpass_core_hw); -int q6prm_set_lpass_clock(struct device *dev, int clk_id, int clk_attr, int clk_root, - unsigned int freq) +static int q6prm_request_lpass_clock(struct device *dev, int clk_id, int clk_attr, int clk_root, + unsigned int freq) { struct q6prm *prm = dev_get_drvdata(dev->parent); struct apm_module_param_data *param_data; @@ -138,6 +144,49 @@ int q6prm_set_lpass_clock(struct device *dev, int clk_id, int clk_attr, int clk_ return rc; } + +static int q6prm_release_lpass_clock(struct device *dev, int clk_id, int clk_attr, int clk_root, + unsigned int freq) +{ + struct q6prm *prm = dev_get_drvdata(dev->parent); + struct apm_module_param_data *param_data; + struct prm_cmd_release_rsc *rel; + gpr_device_t *gdev = prm->gdev; + struct gpr_pkt *pkt; + int rc; + + pkt = audioreach_alloc_cmd_pkt(sizeof(*rel), PRM_CMD_RELEASE_HW_RSC, 0, gdev->svc.id, + GPR_PRM_MODULE_IID); + if (IS_ERR(pkt)) + return PTR_ERR(pkt); + + rel = (void *)pkt + GPR_HDR_SIZE + APM_CMD_HDR_SIZE; + + param_data = &rel->param_data; + + param_data->module_instance_id = GPR_PRM_MODULE_IID; + param_data->error_code = 0; + param_data->param_id = PARAM_ID_RSC_AUDIO_HW_CLK; + param_data->param_size = sizeof(*rel) - APM_MODULE_PARAM_DATA_SIZE; + + rel->num_clk_id = 1; + rel->clock_id.clock_id = clk_id; + + rc = q6prm_send_cmd_sync(prm, pkt, PRM_CMD_RSP_RELEASE_HW_RSC); + + kfree(pkt); + + return rc; +} + +int q6prm_set_lpass_clock(struct device *dev, int clk_id, int clk_attr, int clk_root, + unsigned int freq) +{ + if (freq) + return q6prm_request_lpass_clock(dev, clk_id, clk_attr, clk_attr, freq); + + return q6prm_release_lpass_clock(dev, clk_id, clk_attr, clk_attr, freq); +} EXPORT_SYMBOL_GPL(q6prm_set_lpass_clock); static int prm_callback(struct gpr_resp_pkt *data, void *priv, int op) |