1 /* 2 * This header was generated from the Linux kernel headers by update_headers.py, 3 * to provide necessary information from kernel to userspace, such as constants, 4 * structures, and macros, and thus, contains no copyrightable information. 5 */ 6 #ifndef _CS_PROTOCOL_H 7 #define _CS_PROTOCOL_H 8 #include <linux/types.h> 9 #include <linux/ioctl.h> 10 #define CS_DEV_FILE_NAME "/dev/cmt_speech" 11 #define CS_IF_VERSION 2 12 #define CS_CMD_SHIFT 28 13 #define CS_DOMAIN_SHIFT 24 14 #define CS_CMD_MASK 0xff000000 15 #define CS_PARAM_MASK 0xffffff 16 #define CS_CMD(id, dom) \ 17 (((id) << CS_CMD_SHIFT) | ((dom) << CS_DOMAIN_SHIFT)) 18 #define CS_ERROR CS_CMD(1, 0) 19 #define CS_RX_DATA_RECEIVED CS_CMD(2, 0) 20 #define CS_TX_DATA_READY CS_CMD(3, 0) 21 #define CS_TX_DATA_SENT CS_CMD(4, 0) 22 #define CS_ERR_PEER_RESET 0 23 #define CS_FEAT_TSTAMP_RX_CTRL (1 << 0) 24 #define CS_FEAT_ROLLING_RX_COUNTER (2 << 0) 25 #define CS_STATE_CLOSED 0 26 #define CS_STATE_OPENED 1 27 #define CS_STATE_CONFIGURED 2 28 #define CS_MAX_BUFFERS_SHIFT 4 29 #define CS_MAX_BUFFERS (1 << CS_MAX_BUFFERS_SHIFT) 30 struct cs_buffer_config { 31 __u32 rx_bufs; 32 __u32 tx_bufs; 33 __u32 buf_size; 34 __u32 flags; 35 __u32 reserved[4]; 36 }; 37 struct cs_timestamp { 38 __u32 tv_sec; 39 __u32 tv_nsec; 40 }; 41 struct cs_mmap_config_block { 42 __u32 reserved1; 43 __u32 buf_size; 44 __u32 rx_bufs; 45 __u32 tx_bufs; 46 __u32 reserved2; 47 48 __u32 rx_offsets[CS_MAX_BUFFERS]; 49 __u32 tx_offsets[CS_MAX_BUFFERS]; 50 __u32 rx_ptr; 51 __u32 rx_ptr_boundary; 52 __u32 reserved3[2]; 53 54 struct cs_timestamp tstamp_rx_ctrl; 55 }; 56 #define CS_IO_MAGIC 'C' 57 #define CS_IOW(num, dtype) _IOW(CS_IO_MAGIC, num, dtype) 58 #define CS_IOR(num, dtype) _IOR(CS_IO_MAGIC, num, dtype) 59 #define CS_IOWR(num, dtype) _IOWR(CS_IO_MAGIC, num, dtype) 60 #define CS_IO(num) _IO(CS_IO_MAGIC, num) 61 #define CS_GET_STATE CS_IOR(21, unsigned int) 62 #define CS_SET_WAKELINE CS_IOW(23, unsigned int) 63 #define CS_GET_IF_VERSION CS_IOR(30, unsigned int) 64 #define CS_CONFIG_BUFS CS_IOW(31, struct cs_buffer_config) 65 #endif 66