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#ifndef _WCD_DSP_GLINK_H
#define _WCD_DSP_GLINK_H
#include <linux/types.h>
#define WDSP_CH_NAME_MAX_LEN 50
enum {
WDSP_REG_PKT = 1,
WDSP_CMD_PKT,
WDSP_READY_PKT,
};
#define WDSP_READY_PKT WDSP_READY_PKT
/*
* struct wdsp_reg_pkt - Glink channel information structure format
* @no_of_channels: Number of glink channels to open
* @payload[0]: Dynamic array contains all the glink channels information
*/
struct wdsp_reg_pkt {
__u8 no_of_channels;
__u8 payload[0];
};
/*
* struct wdsp_cmd_pkt - WDSP command packet format
* @ch_name: Name of the glink channel
* @payload_size: Size of the payload
* @payload[0]: Actual data payload
*/
struct wdsp_cmd_pkt {
char ch_name[WDSP_CH_NAME_MAX_LEN];
__u32 payload_size;
__u8 payload[0];
};
/*
* struct wdsp_write_pkt - Format that userspace send the data to driver.
* @pkt_type: Type of the packet(REG or CMD PKT)
* @payload[0]: Payload is either cmd or reg pkt structure based on pkt type
*/
struct wdsp_write_pkt {
__u8 pkt_type;
__u8 payload[0];
};
/*
* struct wdsp_glink_ch_cfg - Defines the glink channel configuration.
* @ch_name: Name of the glink channel
* @latency_in_us: Latency specified in micro seconds for QOS
* @no_of_intents: Number of intents prequeued
* @intents_size[0]: Dynamic array to specify size of each intent
*/
struct wdsp_glink_ch_cfg {
char name[WDSP_CH_NAME_MAX_LEN];
__u32 latency_in_us;
__u32 no_of_intents;
__u32 intents_size[0];
};
#endif /* _WCD_DSP_GLINK_H */
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