p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

ASoC: Intel: add function to set parameter to sound effect module waves 

Add function to set parameters to module waves. The parameters can be set
only when module is enabled, and parameter size is limited to 500 Bytes.

Signed-off-by: Lu, Han <han.lu@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Lu, Han 2015-03-12 13:53:01 +08:00 committed by Mark Brown
parent 76c07b8265
commit 201892268b
2 changed files with 85 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
sound/soc/intel/sst-haswell-ipc.c
View File

@ -2166,6 +2166,65 @@ int sst_hsw_module_disable(struct sst_hsw *hsw,
return ret;
}
int sst_hsw_module_set_param(struct sst_hsw *hsw,
u32 module_id, u32 instance_id, u32 parameter_id,
u32 param_size, char *param)
{
int ret;
unsigned char *data = NULL;
u32 header = 0;
u32 payload_size = 0, transfer_parameter_size = 0;
dma_addr_t dma_addr = 0;
struct sst_hsw_transfer_parameter *parameter;
struct device *dev = hsw->dev;
header = IPC_GLB_TYPE(IPC_GLB_MODULE_OPERATION) |
IPC_MODULE_OPERATION(IPC_MODULE_SET_PARAMETER) |
IPC_MODULE_ID(module_id);
dev_dbg(dev, "sst_hsw_module_set_param header=%x\n", header);
payload_size = param_size +
sizeof(struct sst_hsw_transfer_parameter) -
sizeof(struct sst_hsw_transfer_list);
dev_dbg(dev, "parameter size : %d\n", param_size);
dev_dbg(dev, "payload size : %d\n", payload_size);
if (payload_size <= SST_HSW_IPC_MAX_SHORT_PARAMETER_SIZE) {
/* short parameter, mailbox can contain data */
dev_dbg(dev, "transfer parameter size : %d\n",
transfer_parameter_size);
transfer_parameter_size = ALIGN(payload_size, 4);
dev_dbg(dev, "transfer parameter aligned size : %d\n",
transfer_parameter_size);
parameter = kzalloc(transfer_parameter_size, GFP_KERNEL);
if (parameter == NULL)
return -ENOMEM;
memcpy(parameter->data, param, param_size);
} else {
dev_warn(dev, "transfer parameter size too large!");
return 0;
}
parameter->parameter_id = parameter_id;
parameter->data_size = param_size;
ret = ipc_tx_message_wait(hsw, header,
parameter, transfer_parameter_size , NULL, 0);
if (ret < 0)
dev_err(dev, "ipc: module set parameter failed - %d\n", ret);
kfree(parameter);
if (data)
dma_free_coherent(hsw->dsp->dma_dev,
param_size, (void *)data, dma_addr);
return ret;
}
static struct sst_dsp_device hsw_dev = {
.thread = hsw_irq_thread,
.ops = &haswell_ops,

26
sound/soc/intel/sst-haswell-ipc.h
View File

@ -37,6 +37,7 @@
#define SST_HSW_IPC_MAX_PAYLOAD_SIZE 400
#define SST_HSW_MAX_INFO_SIZE 64
#define SST_HSW_BUILD_HASH_LENGTH 40
#define SST_HSW_IPC_MAX_SHORT_PARAMETER_SIZE 500
struct sst_hsw;
struct sst_hsw_stream;
@ -187,6 +188,28 @@ enum sst_hsw_performance_action {
SST_HSW_PERF_STOP = 1,
};
struct sst_hsw_transfer_info {
uint32_t destination; /* destination address */
uint32_t reverse:1; /* if 1 data flows from destination */
uint32_t size:31; /* transfer size in bytes.*/
uint16_t first_page_offset; /* offset to data in the first page. */
uint8_t packed_pages; /* page addresses. Each occupies 20 bits */
} __attribute__((packed));
struct sst_hsw_transfer_list {
uint32_t transfers_count;
struct sst_hsw_transfer_info transfers;
} __attribute__((packed));
struct sst_hsw_transfer_parameter {
uint32_t parameter_id;
uint32_t data_size;
union {
uint8_t data[1];
struct sst_hsw_transfer_list transfer_list;
};
} __attribute__((packed));
/* SST firmware module info */
struct sst_hsw_module_info {
u8 name[SST_HSW_MAX_INFO_SIZE];
@ -487,6 +510,9 @@ int sst_hsw_module_enable(struct sst_hsw *hsw,
u32 module_id, u32 instance_id);
int sst_hsw_module_disable(struct sst_hsw *hsw,
u32 module_id, u32 instance_id);
int sst_hsw_module_set_param(struct sst_hsw *hsw,
u32 module_id, u32 instance_id, u32 parameter_id,
u32 param_size, char *param);
/* runtime module management */
struct sst_module_runtime *sst_hsw_runtime_module_create(struct sst_hsw *hsw,