/* * 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 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