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ASoC: add hw_core voting via PRM module

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Change-Id: Ifa070caa6e5ff0263d0d471e5f0d7e7b09a41f0d
Signed-off-by: Taha Azzaoui <tazzaoui@codeaurora.org>
This commit is contained in:
Vignesh Kulothungan
2019-11-01 18:21:11 -07:00
committed by Phani Kumar Uppalapati
parent 12238a5ca3
commit 8fc7957756
3 changed files with 107 additions and 16 deletions
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47
asoc/codecs/audio-ext-clk-up.c
View File

@@ -160,16 +160,19 @@ static u8 audio_ext_clk_get_parent(struct clk_hw *hw)
static int lpass_hw_vote_prepare(struct clk_hw *hw)
{
#if 0
struct audio_ext_clk_priv *clk_priv = to_audio_clk(hw);
int ret;
if (clk_priv->clk_src == AUDIO_EXT_CLK_LPASS_CORE_HW_VOTE) {
trace_printk("%s: vote for %d clock\n",
__func__, clk_priv->clk_src);
#ifdef CONFIG_AUDIO_PRM
pr_debug("%s: clk_id %d ",__func__, clk_priv->prm_clk_cfg.clk_id);
ret = audio_prm_set_lpass_hw_core_req(&clk_priv->prm_clk_cfg,
HW_CORE_ID_LPASS, 1);
#else
ret = afe_vote_lpass_core_hw(AFE_LPASS_CORE_HW_MACRO_BLOCK,
"LPASS_HW_MACRO",
&clk_priv->lpass_core_hwvote_client_handle);
#endif
if (ret < 0) {
pr_err("%s lpass core hw vote failed %d\n",
__func__, ret);
@@ -178,33 +181,40 @@ static int lpass_hw_vote_prepare(struct clk_hw *hw)
}
if (clk_priv->clk_src == AUDIO_EXT_CLK_LPASS_AUDIO_HW_VOTE) {
trace_printk("%s: vote for %d clock\n",
__func__, clk_priv->clk_src);
#ifdef CONFIG_AUDIO_PRM
pr_debug("%s: clk_id %d ",__func__, clk_priv->prm_clk_cfg.clk_id);
ret = audio_prm_set_lpass_hw_core_req(&clk_priv->prm_clk_cfg,
HW_CORE_ID_DCODEC, 1);
#else
ret = afe_vote_lpass_core_hw(AFE_LPASS_CORE_HW_DCODEC_BLOCK,
"LPASS_HW_DCODEC",
&clk_priv->lpass_audio_hwvote_client_handle);
#endif
if (ret < 0) {
pr_err("%s lpass audio hw vote failed %d\n",
__func__, ret);
return ret;
}
}
#endif
return 0;
}
static void lpass_hw_vote_unprepare(struct clk_hw *hw)
{
#if 0
struct audio_ext_clk_priv *clk_priv = to_audio_clk(hw);
int ret = 0;
if (clk_priv->clk_src == AUDIO_EXT_CLK_LPASS_CORE_HW_VOTE) {
trace_printk("%s: unvote for %d clock\n",
__func__, clk_priv->clk_src);
#ifdef CONFIG_AUDIO_PRM
pr_debug("%s: clk_id %d ",__func__, clk_priv->prm_clk_cfg.clk_id);
ret = audio_prm_set_lpass_hw_core_req(&clk_priv->prm_clk_cfg,
HW_CORE_ID_LPASS, 0);
#else
ret = afe_unvote_lpass_core_hw(
AFE_LPASS_CORE_HW_MACRO_BLOCK,
clk_priv->lpass_core_hwvote_client_handle);
#endif
if (ret < 0) {
pr_err("%s lpass core hw vote failed %d\n",
__func__, ret);
@@ -212,17 +222,21 @@ static void lpass_hw_vote_unprepare(struct clk_hw *hw)
}
if (clk_priv->clk_src == AUDIO_EXT_CLK_LPASS_AUDIO_HW_VOTE) {
trace_printk("%s: unvote for %d clock\n",
__func__, clk_priv->clk_src);
#ifdef CONFIG_AUDIO_PRM
pr_debug("%s: clk_id %d ",__func__, clk_priv->prm_clk_cfg.clk_id);
ret = audio_prm_set_lpass_hw_core_req(&clk_priv->prm_clk_cfg,
HW_CORE_ID_DCODEC, 0);
#else
ret = afe_unvote_lpass_core_hw(
AFE_LPASS_CORE_HW_DCODEC_BLOCK,
clk_priv->lpass_audio_hwvote_client_handle);
#endif
if (ret < 0) {
pr_err("%s lpass audio hw unvote failed %d\n",
__func__, ret);
}
}
#endif
}
static const struct clk_ops audio_ext_clk_ops = {
@@ -583,7 +597,7 @@ static int audio_ref_clk_probe(struct platform_device *pdev)
clk_priv->clk_cfg.clk_id = clk_id;
#ifdef CONFIG_AUDIO_PRM
clk_priv->prm_clk_cfg.clk_id = clk_id;
dev_info(&pdev->dev, "%s: ext-clk freq: %d, lpass clk_id: %d, clk_src: %d\n",
dev_info(&pdev->dev, "%s: PRM ext-clk freq: %d, lpass clk_id: %d, clk_src: %d\n",
__func__, clk_priv->prm_clk_cfg.clk_freq_in_hz,
clk_priv->prm_clk_cfg.clk_id, clk_priv->clk_src);
#endif
@@ -592,6 +606,11 @@ static int audio_ref_clk_probe(struct platform_device *pdev)
dev_info(&pdev->dev, "%s: ext-clk freq: %d, lpass clk_id: %d, clk_src: %d\n",
__func__, clk_priv->clk_cfg.clk_freq_in_hz,
clk_priv->clk_cfg.clk_id, clk_priv->clk_src);
dev_info(&pdev->dev, "%s: PRM2 ext-clk freq: %d, lpass clk_id: %d, clk_src: %d\n",
__func__, clk_priv->prm_clk_cfg.clk_freq_in_hz,
clk_priv->prm_clk_cfg.clk_id, clk_priv->clk_src);
platform_set_drvdata(pdev, clk_priv);
ret = of_property_read_string(pdev->dev.of_node, "pmic-clock-names",

59
dsp/audio_prm.c
View File

@@ -41,7 +41,7 @@ static int audio_prm_callback(struct gpr_device *adev, void *data)
struct gpr_hdr *hdr = (struct gpr_hdr *)data;
uint32_t *payload = GPR_PKT_GET_PAYLOAD(uint32_t, data);
dev_dbg(&adev->dev, "%s: Payload %x", __func__, hdr->opcode);
dev_err(&adev->dev, "%s: Payload %x", __func__, hdr->opcode);
switch (hdr->opcode) {
case GPR_IBASIC_RSP_RESULT:
pr_err("%s: Failed response received",__func__);
@@ -61,6 +61,7 @@ static int audio_prm_callback(struct gpr_device *adev, void *data)
switch (payload[0]) {
case PARAM_ID_RSC_AUDIO_HW_CLK:
case PARAM_ID_RSC_LPASS_CORE:
case PARAM_ID_RSC_HW_CORE:
if (payload[1] != 0)
pr_err("%s: PRM command failed with error %d\n",
__func__, payload[1]);
@@ -68,6 +69,7 @@ static int audio_prm_callback(struct gpr_device *adev, void *data)
wake_up(&g_prm.wait);
break;
default:
pr_err("%s: hit default case",__func__);
break;
};
default:
@@ -129,6 +131,60 @@ static int prm_gpr_send_pkt(struct gpr_pkt *pkt, wait_queue_head_t *wait)
return ret;
}
/**
*/
int audio_prm_set_lpass_hw_core_req(struct clk_cfg *cfg, uint32_t hw_core_id, uint8_t enable)
{
struct gpr_pkt *pkt;
prm_cmd_request_hw_core_t prm_rsc_request;
int ret = 0;
uint32_t size;
size = GPR_HDR_SIZE + sizeof(prm_cmd_request_hw_core_t);
pkt = kzalloc(size, GFP_KERNEL);
if (!pkt)
return -ENOMEM;
pkt->hdr.header = GPR_SET_FIELD(GPR_PKT_VERSION, GPR_PKT_VER) |
GPR_SET_FIELD(GPR_PKT_HEADER_SIZE, GPR_PKT_HEADER_WORD_SIZE_V) |
GPR_SET_FIELD(GPR_PKT_PACKET_SIZE, size);
pkt->hdr.src_port = GPR_SVC_ASM;
pkt->hdr.dst_port = PRM_MODULE_INSTANCE_ID;
pkt->hdr.dst_domain_id = GPR_IDS_DOMAIN_ID_ADSP_V;
pkt->hdr.src_domain_id = GPR_IDS_DOMAIN_ID_APPS_V;
pkt->hdr.token = 0; /* TBD */
if (enable)
pkt->hdr.opcode = PRM_CMD_REQUEST_HW_RSC;
else
pkt->hdr.opcode = PRM_CMD_RELEASE_HW_RSC;
pr_err("%s: clk_id %d size of cmd_req %ld \n",__func__, cfg->clk_id, sizeof(prm_cmd_request_hw_core_t));
prm_rsc_request.payload_header.payload_address_lsw = 0;
prm_rsc_request.payload_header.payload_address_msw = 0;
prm_rsc_request.payload_header.mem_map_handle = 0;
prm_rsc_request.payload_header.payload_size = sizeof(prm_cmd_request_hw_core_t) - sizeof(apm_cmd_header_t);
/** Populate the param payload */
prm_rsc_request.module_payload_0.module_instance_id = PRM_MODULE_INSTANCE_ID;
prm_rsc_request.module_payload_0.error_code = 0;
prm_rsc_request.module_payload_0.param_id = PARAM_ID_RSC_HW_CORE;
prm_rsc_request.module_payload_0.param_size =
sizeof(prm_cmd_request_hw_core_t) - sizeof(apm_cmd_header_t) - sizeof(apm_module_param_data_t);
prm_rsc_request.hw_core_id = hw_core_id; // HW_CORE_ID_LPASS;
memcpy(&pkt->payload, &prm_rsc_request, sizeof(prm_cmd_request_hw_core_t));
ret = prm_gpr_send_pkt(pkt, &g_prm.wait);
kfree(pkt);
return ret;
}
EXPORT_SYMBOL(audio_prm_set_lpass_hw_core_req);
/**
* prm_set_lpass_clk_cfg() - Set PRM clock
*
@@ -296,6 +352,7 @@ err:
static int audio_prm_remove(struct gpr_device *adev)
{
int ret = 0;
mutex_lock(&g_prm.lock);
ret = snd_event_client_deregister(&adev->dev);
if (ret) {

15
include/dsp/audio_prm.h
View File

@@ -181,6 +181,13 @@ typedef struct prm_cmd_release_rsc_t
audio_hw_clk_rel_cfg_t clock_ids_t[MAX_AUD_HW_CLK_NUM_REQ];
}prm_cmd_release_rsc_t;
typedef struct prm_cmd_request_hw_core_t
{
apm_cmd_header_t payload_header;
apm_module_param_data_t module_payload_0;
uint32_t hw_core_id;
}prm_cmd_request_hw_core_t;
#define PRM_CMD_REQUEST_HW_RSC 0x0100100F
@@ -197,6 +204,7 @@ typedef struct prm_cmd_release_rsc_t
/* Param ID for lpass core clock */
#define PARAM_ID_RSC_LPASS_CORE 0x0800102B
#define PARAM_ID_RSC_HW_CORE 0x08001032
#define HW_RSC_ID_AUDIO_HW_CLK 0x0800102C
@@ -494,6 +502,13 @@ typedef struct prm_cmd_release_rsc_t
/** Default root clock source. */
#define CLOCK_ROOT_DEFAULT 0x0
/** Hardware core identifier for LPASS. */
#define HW_CORE_ID_LPASS 0x1
/** Hardware core identifier for digital codec. */
#define HW_CORE_ID_DCODEC 0x2
int audio_prm_set_lpass_clk_cfg(struct clk_cfg *cfg, uint8_t enable);
int audio_prm_set_lpass_hw_core_req(struct clk_cfg *cfg, uint32_t hw_core_id, uint8_t enable);
#endif