| /* | |
| * ioctl defines for synchronous serial port driver | |
| * | |
| * Copyright (c) 2001-2003 Axis Communications AB | |
| * | |
| * Author: Mikael Starvik | |
| * | |
| */ | |
| #ifndef SYNC_SERIAL_H | |
| #define SYNC_SERIAL_H | |
| #include <linux/ioctl.h> | |
| #define SSP_SPEED _IOR('S', 0, unsigned int) | |
| #define SSP_MODE _IOR('S', 1, unsigned int) | |
| #define SSP_FRAME_SYNC _IOR('S', 2, unsigned int) | |
| #define SSP_IPOLARITY _IOR('S', 3, unsigned int) | |
| #define SSP_OPOLARITY _IOR('S', 4, unsigned int) | |
| #define SSP_SPI _IOR('S', 5, unsigned int) | |
| #define SSP_INBUFCHUNK _IOR('S', 6, unsigned int) | |
| /* Values for SSP_SPEED */ | |
| #define SSP150 0 | |
| #define SSP300 1 | |
| #define SSP600 2 | |
| #define SSP1200 3 | |
| #define SSP2400 4 | |
| #define SSP4800 5 | |
| #define SSP9600 6 | |
| #define SSP19200 7 | |
| #define SSP28800 8 | |
| #define SSP57600 9 | |
| #define SSP115200 10 | |
| #define SSP230400 11 | |
| #define SSP460800 12 | |
| #define SSP921600 13 | |
| #define SSP3125000 14 | |
| #define CODEC 15 | |
| #define FREQ_4MHz 0 | |
| #define FREQ_2MHz 1 | |
| #define FREQ_1MHz 2 | |
| #define FREQ_512kHz 3 | |
| #define FREQ_256kHz 4 | |
| #define FREQ_128kHz 5 | |
| #define FREQ_64kHz 6 | |
| #define FREQ_32kHz 7 | |
| /* Used by application to set CODEC divider, word rate and frame rate */ | |
| #define CODEC_VAL(freq, clk_per_sync, sync_per_frame) (CODEC | (freq << 8) | (clk_per_sync << 16) | (sync_per_frame << 28)) | |
| /* Used by driver to extract speed */ | |
| #define GET_SPEED(x) (x & 0xff) | |
| #define GET_FREQ(x) ((x & 0xff00) >> 8) | |
| #define GET_WORD_RATE(x) (((x & 0x0fff0000) >> 16) - 1) | |
| #define GET_FRAME_RATE(x) (((x & 0xf0000000) >> 28) - 1) | |
| /* Values for SSP_MODE */ | |
| #define MASTER_OUTPUT 0 | |
| #define SLAVE_OUTPUT 1 | |
| #define MASTER_INPUT 2 | |
| #define SLAVE_INPUT 3 | |
| #define MASTER_BIDIR 4 | |
| #define SLAVE_BIDIR 5 | |
| /* Values for SSP_FRAME_SYNC */ | |
| #define NORMAL_SYNC 1 | |
| #define EARLY_SYNC 2 | |
| #define SECOND_WORD_SYNC 0x40000 | |
| #define BIT_SYNC 4 | |
| #define WORD_SYNC 8 | |
| #define EXTENDED_SYNC 0x10 | |
| #define SYNC_OFF 0x20 | |
| #define SYNC_ON 0x40 | |
| #define WORD_SIZE_8 0x80 | |
| #define WORD_SIZE_12 0x100 | |
| #define WORD_SIZE_16 0x200 | |
| #define WORD_SIZE_24 0x400 | |
| #define WORD_SIZE_32 0x800 | |
| #define BIT_ORDER_LSB 0x1000 | |
| #define BIT_ORDER_MSB 0x2000 | |
| #define FLOW_CONTROL_ENABLE 0x4000 | |
| #define FLOW_CONTROL_DISABLE 0x8000 | |
| #define CLOCK_GATED 0x10000 | |
| #define CLOCK_NOT_GATED 0x20000 | |
| /* Values for SSP_IPOLARITY and SSP_OPOLARITY */ | |
| #define CLOCK_NORMAL 1 | |
| #define CLOCK_INVERT 2 | |
| #define CLOCK_INEGEDGE CLOCK_NORMAL | |
| #define CLOCK_IPOSEDGE CLOCK_INVERT | |
| #define FRAME_NORMAL 4 | |
| #define FRAME_INVERT 8 | |
| #define STATUS_NORMAL 0x10 | |
| #define STATUS_INVERT 0x20 | |
| /* Values for SSP_SPI */ | |
| #define SPI_MASTER 0 | |
| #define SPI_SLAVE 1 | |
| /* Values for SSP_INBUFCHUNK */ | |
| /* plain integer with the size of DMA chunks */ | |
| #endif |