diff options
Diffstat (limited to 'original-kernel-headers/sound/wcd-dsp-glink.h')
-rw-r--r-- | original-kernel-headers/sound/wcd-dsp-glink.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/original-kernel-headers/sound/wcd-dsp-glink.h b/original-kernel-headers/sound/wcd-dsp-glink.h new file mode 100644 index 0000000..39d128d --- /dev/null +++ b/original-kernel-headers/sound/wcd-dsp-glink.h @@ -0,0 +1,60 @@ +#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 */ |