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