1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* $Id: cosa.h,v 1.6 1999/01/06 14:02:44 kas Exp $ */ 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun /* 5*4882a593Smuzhiyun * Copyright (C) 1995-1997 Jan "Yenya" Kasprzak <kas@fi.muni.cz> 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef COSA_H__ 9*4882a593Smuzhiyun #define COSA_H__ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <linux/ioctl.h> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #ifdef __KERNEL__ 14*4882a593Smuzhiyun /* status register - output bits */ 15*4882a593Smuzhiyun #define SR_RX_DMA_ENA 0x04 /* receiver DMA enable bit */ 16*4882a593Smuzhiyun #define SR_TX_DMA_ENA 0x08 /* transmitter DMA enable bit */ 17*4882a593Smuzhiyun #define SR_RST 0x10 /* SRP reset */ 18*4882a593Smuzhiyun #define SR_USR_INT_ENA 0x20 /* user interrupt enable bit */ 19*4882a593Smuzhiyun #define SR_TX_INT_ENA 0x40 /* transmitter interrupt enable bit */ 20*4882a593Smuzhiyun #define SR_RX_INT_ENA 0x80 /* receiver interrupt enable bit */ 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun /* status register - input bits */ 23*4882a593Smuzhiyun #define SR_USR_RQ 0x20 /* user interrupt request pending */ 24*4882a593Smuzhiyun #define SR_TX_RDY 0x40 /* transmitter empty (ready) */ 25*4882a593Smuzhiyun #define SR_RX_RDY 0x80 /* receiver data ready */ 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun #define SR_UP_REQUEST 0x02 /* request from SRP to transfer data 28*4882a593Smuzhiyun up to PC */ 29*4882a593Smuzhiyun #define SR_DOWN_REQUEST 0x01 /* SRP is able to transfer data down 30*4882a593Smuzhiyun from PC to SRP */ 31*4882a593Smuzhiyun #define SR_END_OF_TRANSFER 0x03 /* SRP signalize end of 32*4882a593Smuzhiyun transfer (up or down) */ 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun #define SR_CMD_FROM_SRP_MASK 0x03 /* mask to get SRP command */ 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun /* bits in driver status byte definitions : */ 37*4882a593Smuzhiyun #define SR_RDY_RCV 0x01 /* ready to receive packet */ 38*4882a593Smuzhiyun #define SR_RDY_SND 0x02 /* ready to send packet */ 39*4882a593Smuzhiyun #define SR_CMD_PND 0x04 /* command pending */ /* not currently used */ 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun /* ???? */ 42*4882a593Smuzhiyun #define SR_PKT_UP 0x01 /* transfer of packet up in progress */ 43*4882a593Smuzhiyun #define SR_PKT_DOWN 0x02 /* transfer of packet down in progress */ 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun #endif /* __KERNEL__ */ 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun #define SR_LOAD_ADDR 0x4400 /* SRP microcode load address */ 48*4882a593Smuzhiyun #define SR_START_ADDR 0x4400 /* SRP microcode start address */ 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun #define COSA_LOAD_ADDR 0x400 /* SRP microcode load address */ 51*4882a593Smuzhiyun #define COSA_MAX_FIRMWARE_SIZE 0x10000 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun /* ioctls */ 54*4882a593Smuzhiyun struct cosa_download { 55*4882a593Smuzhiyun int addr, len; 56*4882a593Smuzhiyun char __user *code; 57*4882a593Smuzhiyun }; 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun /* Reset the device */ 60*4882a593Smuzhiyun #define COSAIORSET _IO('C',0xf0) 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun /* Start microcode at given address */ 63*4882a593Smuzhiyun #define COSAIOSTRT _IOW('C',0xf1, int) 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun /* Read the block from the device memory */ 66*4882a593Smuzhiyun #define COSAIORMEM _IOWR('C',0xf2, struct cosa_download *) 67*4882a593Smuzhiyun /* actually the struct cosa_download itself; this is to keep 68*4882a593Smuzhiyun * the ioctl number same as in 2.4 in order to keep the user-space 69*4882a593Smuzhiyun * utils compatible. */ 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun /* Write the block to the device memory (i.e. download the microcode) */ 72*4882a593Smuzhiyun #define COSAIODOWNLD _IOW('C',0xf2, struct cosa_download *) 73*4882a593Smuzhiyun /* actually the struct cosa_download itself; this is to keep 74*4882a593Smuzhiyun * the ioctl number same as in 2.4 in order to keep the user-space 75*4882a593Smuzhiyun * utils compatible. */ 76*4882a593Smuzhiyun 77*4882a593Smuzhiyun /* Read the device type (one of "srp", "cosa", and "cosa8" for now) */ 78*4882a593Smuzhiyun #define COSAIORTYPE _IOR('C',0xf3, char *) 79*4882a593Smuzhiyun 80*4882a593Smuzhiyun /* Read the device identification string */ 81*4882a593Smuzhiyun #define COSAIORIDSTR _IOR('C',0xf4, char *) 82*4882a593Smuzhiyun /* Maximum length of the identification string. */ 83*4882a593Smuzhiyun #define COSA_MAX_ID_STRING 128 84*4882a593Smuzhiyun 85*4882a593Smuzhiyun /* Increment/decrement the module usage count :-) */ 86*4882a593Smuzhiyun /* #define COSAIOMINC _IO('C',0xf5) */ 87*4882a593Smuzhiyun /* #define COSAIOMDEC _IO('C',0xf6) */ 88*4882a593Smuzhiyun 89*4882a593Smuzhiyun /* Get the total number of cards installed */ 90*4882a593Smuzhiyun #define COSAIONRCARDS _IO('C',0xf7) 91*4882a593Smuzhiyun 92*4882a593Smuzhiyun /* Get the number of channels on this card */ 93*4882a593Smuzhiyun #define COSAIONRCHANS _IO('C',0xf8) 94*4882a593Smuzhiyun 95*4882a593Smuzhiyun /* Set the driver for the bus-master operations */ 96*4882a593Smuzhiyun #define COSAIOBMSET _IOW('C', 0xf9, unsigned short) 97*4882a593Smuzhiyun 98*4882a593Smuzhiyun #define COSA_BM_OFF 0 /* Bus-mastering off - use ISA DMA (default) */ 99*4882a593Smuzhiyun #define COSA_BM_ON 1 /* Bus-mastering on - faster but untested */ 100*4882a593Smuzhiyun 101*4882a593Smuzhiyun /* Gets the busmaster status */ 102*4882a593Smuzhiyun #define COSAIOBMGET _IO('C', 0xfa) 103*4882a593Smuzhiyun 104*4882a593Smuzhiyun #endif /* !COSA_H__ */ 105