1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _CS_PROTOCOL_H 20 #define _CS_PROTOCOL_H 21 #include <linux/types.h> 22 #include <linux/ioctl.h> 23 #define CS_DEV_FILE_NAME "/dev/cmt_speech" 24 #define CS_IF_VERSION 2 25 #define CS_CMD_SHIFT 28 26 #define CS_DOMAIN_SHIFT 24 27 #define CS_CMD_MASK 0xff000000 28 #define CS_PARAM_MASK 0xffffff 29 #define CS_CMD(id,dom) (((id) << CS_CMD_SHIFT) | ((dom) << CS_DOMAIN_SHIFT)) 30 #define CS_ERROR CS_CMD(1, 0) 31 #define CS_RX_DATA_RECEIVED CS_CMD(2, 0) 32 #define CS_TX_DATA_READY CS_CMD(3, 0) 33 #define CS_TX_DATA_SENT CS_CMD(4, 0) 34 #define CS_ERR_PEER_RESET 0 35 #define CS_FEAT_TSTAMP_RX_CTRL (1 << 0) 36 #define CS_FEAT_ROLLING_RX_COUNTER (2 << 0) 37 #define CS_STATE_CLOSED 0 38 #define CS_STATE_OPENED 1 39 #define CS_STATE_CONFIGURED 2 40 #define CS_MAX_BUFFERS_SHIFT 4 41 #define CS_MAX_BUFFERS (1 << CS_MAX_BUFFERS_SHIFT) 42 struct cs_buffer_config { 43 __u32 rx_bufs; 44 __u32 tx_bufs; 45 __u32 buf_size; 46 __u32 flags; 47 __u32 reserved[4]; 48 }; 49 struct cs_timestamp { 50 __u32 tv_sec; 51 __u32 tv_nsec; 52 }; 53 struct cs_mmap_config_block { 54 __u32 reserved1; 55 __u32 buf_size; 56 __u32 rx_bufs; 57 __u32 tx_bufs; 58 __u32 reserved2; 59 __u32 rx_offsets[CS_MAX_BUFFERS]; 60 __u32 tx_offsets[CS_MAX_BUFFERS]; 61 __u32 rx_ptr; 62 __u32 rx_ptr_boundary; 63 __u32 reserved3[2]; 64 struct cs_timestamp tstamp_rx_ctrl; 65 }; 66 #define CS_IO_MAGIC 'C' 67 #define CS_IOW(num,dtype) _IOW(CS_IO_MAGIC, num, dtype) 68 #define CS_IOR(num,dtype) _IOR(CS_IO_MAGIC, num, dtype) 69 #define CS_IOWR(num,dtype) _IOWR(CS_IO_MAGIC, num, dtype) 70 #define CS_IO(num) _IO(CS_IO_MAGIC, num) 71 #define CS_GET_STATE CS_IOR(21, unsigned int) 72 #define CS_SET_WAKELINE CS_IOW(23, unsigned int) 73 #define CS_GET_IF_VERSION CS_IOR(30, unsigned int) 74 #define CS_CONFIG_BUFS CS_IOW(31, struct cs_buffer_config) 75 #endif 76
