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