1 /*- 2 * Copyright (c) 2001 Alcove - Nicolas Souchu 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: src/sys/isa/ppcreg.h,v 1.10.2.4 2001/10/02 05:21:45 nsouch Exp $ 27 * 28 */ 29 #ifndef __PPCREG_H 30 #define __PPCREG_H 31 32 /* 33 * Parallel Port Chipset type. 34 */ 35 #define SMC_LIKE 0 36 #define SMC_37C665GT 1 37 #define SMC_37C666GT 2 38 #define NS_PC87332 3 39 #define NS_PC87306 4 40 #define INTEL_820191AA 5 /* XXX not implemented */ 41 #define GENERIC 6 42 #define WINB_W83877F 7 43 #define WINB_W83877AF 8 44 #define WINB_UNKNOWN 9 45 #define NS_PC87334 10 46 #define SMC_37C935 11 47 #define NS_PC87303 12 48 49 /* 50 * Parallel Port Chipset Type. SMC versus GENERIC (others) 51 */ 52 #define PPC_TYPE_SMCLIKE 0 53 #define PPC_TYPE_GENERIC 1 54 55 /* 56 * Generic structure to hold parallel port chipset info. 57 */ 58 struct ppc_data { 59 60 int ppc_unit; 61 int ppc_model; /* chipset model if detected */ 62 int ppc_type; /* generic or smclike chipset type */ 63 64 int ppc_mode; /* chipset current mode */ 65 int ppc_avm; /* chipset available modes */ 66 int ppc_dtm; /* chipset detected modes */ 67 68 #define PPC_IRQ_NONE 0x0 69 #define PPC_IRQ_nACK 0x1 70 #define PPC_IRQ_DMA 0x2 71 #define PPC_IRQ_FIFO 0x4 72 #define PPC_IRQ_nFAULT 0x8 73 int ppc_irqstat; /* remind irq settings */ 74 75 #define PPC_DMA_INIT 0x01 76 #define PPC_DMA_STARTED 0x02 77 #define PPC_DMA_COMPLETE 0x03 78 #define PPC_DMA_INTERRUPTED 0x04 79 #define PPC_DMA_ERROR 0x05 80 int ppc_dmastat; /* dma state */ 81 int ppc_dmachan; /* dma channel */ 82 int ppc_dmaflags; /* dma transfer flags */ 83 caddr_t ppc_dmaddr; /* buffer address */ 84 u_int ppc_dmacnt; /* count of bytes sent with dma */ 85 86 #define PPC_PWORD_MASK 0x30 87 #define PPC_PWORD_16 0x00 88 #define PPC_PWORD_8 0x10 89 #define PPC_PWORD_32 0x20 90 char ppc_pword; /* PWord size */ 91 short ppc_fifo; /* FIFO threshold */ 92 93 short ppc_wthr; /* writeIntrThresold */ 94 short ppc_rthr; /* readIntrThresold */ 95 96 char *ppc_ptr; /* microseq current pointer */ 97 int ppc_accum; /* microseq accumulator */ 98 int ppc_base; /* parallel port base address */ 99 int ppc_epp; /* EPP mode (1.7 or 1.9) */ 100 int ppc_irq; 101 102 unsigned char ppc_flags; 103 104 device_t ppbus; /* parallel port chipset corresponding ppbus */ 105 106 int rid_irq, rid_drq, rid_ioport; 107 struct resource *res_irq, *res_drq, *res_ioport; 108 109 bus_space_handle_t bsh; 110 bus_space_tag_t bst; 111 112 void *intr_cookie; 113 114 int ppc_registered; /* 1 if ppcintr() is the registered interrupt */ 115 }; 116 117 /* 118 * Parallel Port Chipset registers. 119 */ 120 #define PPC_SPP_DTR 0 /* SPP data register */ 121 #define PPC_ECP_A_FIFO 0 /* ECP Address fifo register */ 122 #define PPC_SPP_STR 1 /* SPP status register */ 123 #define PPC_SPP_CTR 2 /* SPP control register */ 124 #define PPC_EPP_ADDR 3 /* EPP address register (8 bit) */ 125 #define PPC_EPP_DATA 4 /* EPP data register (8, 16 or 32 bit) */ 126 #define PPC_ECP_D_FIFO 0x400 /* ECP Data fifo register */ 127 #define PPC_ECP_CNFGA 0x400 /* Configuration register A */ 128 #define PPC_ECP_CNFGB 0x401 /* Configuration register B */ 129 #define PPC_ECP_ECR 0x402 /* ECP extended control register */ 130 131 #define PPC_FIFO_EMPTY 0x1 /* ecr register - bit 0 */ 132 #define PPC_FIFO_FULL 0x2 /* ecr register - bit 1 */ 133 #define PPC_SERVICE_INTR 0x4 /* ecr register - bit 2 */ 134 #define PPC_ENABLE_DMA 0x8 /* ecr register - bit 3 */ 135 #define PPC_nFAULT_INTR 0x10 /* ecr register - bit 4 */ 136 #define PPC_ECR_STD 0x0 137 #define PPC_ECR_PS2 0x20 138 #define PPC_ECR_FIFO 0x40 139 #define PPC_ECR_ECP 0x60 140 #define PPC_ECR_EPP 0x80 141 142 #define PPC_DISABLE_INTR (PPC_SERVICE_INTR | PPC_nFAULT_INTR) 143 #define PPC_ECR_RESET (PPC_ECR_PS2 | PPC_DISABLE_INTR) 144 145 #define r_dtr(ppc) (bus_space_read_1((ppc)->bst, (ppc)->bsh, PPC_SPP_DTR)) 146 #define r_str(ppc) (bus_space_read_1((ppc)->bst, (ppc)->bsh, PPC_SPP_STR)) 147 #define r_ctr(ppc) (bus_space_read_1((ppc)->bst, (ppc)->bsh, PPC_SPP_CTR)) 148 149 #define r_epp_A(ppc) (bus_space_read_1((ppc)->bst, (ppc)->bsh, PPC_EPP_ADDR)) 150 #define r_epp_D(ppc) (bus_space_read_1((ppc)->bst, (ppc)->bsh, PPC_EPP_DATA)) 151 #define r_cnfgA(ppc) (bus_space_read_1((ppc)->bst, (ppc)->bsh, PPC_ECP_CNFGA)) 152 #define r_cnfgB(ppc) (bus_space_read_1((ppc)->bst, (ppc)->bsh, PPC_ECP_CNFGB)) 153 #define r_ecr(ppc) (bus_space_read_1((ppc)->bst, (ppc)->bsh, PPC_ECP_ECR)) 154 #define r_fifo(ppc) (bus_space_read_1((ppc)->bst, (ppc)->bsh, PPC_ECP_D_FIFO)) 155 156 #define w_dtr(ppc, byte) (bus_space_write_1((ppc)->bst, (ppc)->bsh, PPC_SPP_DTR, byte)) 157 #define w_str(ppc, byte) (bus_space_write_1((ppc)->bst, (ppc)->bsh, PPC_SPP_STR, byte)) 158 #define w_ctr(ppc, byte) (bus_space_write_1((ppc)->bst, (ppc)->bsh, PPC_SPP_CTR, byte)) 159 160 #define w_epp_A(ppc, byte) (bus_space_write_1((ppc)->bst, (ppc)->bsh, PPC_EPP_ADDR, byte)) 161 #define w_epp_D(ppc, byte) (bus_space_write_1((ppc)->bst, (ppc)->bsh, PPC_EPP_DATA, byte)) 162 #define w_ecr(ppc, byte) (bus_space_write_1((ppc)->bst, (ppc)->bsh, PPC_ECP_ECR, byte)) 163 #define w_fifo(ppc, byte) (bus_space_write_1((ppc)->bst, (ppc)->bsh, PPC_ECP_D_FIFO, byte)) 164 165 /* 166 * Register defines for the PC873xx parts 167 */ 168 169 #define PC873_FER 0x00 170 #define PC873_PPENABLE (1<<0) 171 #define PC873_FAR 0x01 172 #define PC873_PTR 0x02 173 #define PC873_CFGLOCK (1<<6) 174 #define PC873_EPPRDIR (1<<7) 175 #define PC873_EXTENDED (1<<7) 176 #define PC873_LPTBIRQ7 (1<<3) 177 #define PC873_FCR 0x03 178 #define PC873_ZWS (1<<5) 179 #define PC873_ZWSPWDN (1<<6) 180 #define PC873_PCR 0x04 181 #define PC873_EPPEN (1<<0) 182 #define PC873_EPP19 (1<<1) 183 #define PC873_ECPEN (1<<2) 184 #define PC873_ECPCLK (1<<3) 185 #define PC873_PMC 0x06 186 #define PC873_TUP 0x07 187 #define PC873_SID 0x08 188 #define PC873_PNP0 0x1b 189 #define PC873_PNP1 0x1c 190 #define PC873_LPTBA 0x19 191 192 /* 193 * Register defines for the SMC FDC37C66xGT parts 194 */ 195 196 /* Init codes */ 197 #define SMC665_iCODE 0x55 198 #define SMC666_iCODE 0x44 199 200 /* Base configuration ports */ 201 #define SMC66x_CSR 0x3F0 202 #define SMC666_CSR 0x370 /* hard-configured value for 666 */ 203 204 /* Bits */ 205 #define SMC_CR1_ADDR 0x3 /* bit 0 and 1 */ 206 #define SMC_CR1_MODE (1<<3) /* bit 3 */ 207 #define SMC_CR4_EMODE 0x3 /* bits 0 and 1 */ 208 #define SMC_CR4_EPPTYPE (1<<6) /* bit 6 */ 209 210 /* Extended modes */ 211 #define SMC_SPP 0x0 /* SPP */ 212 #define SMC_EPPSPP 0x1 /* EPP and SPP */ 213 #define SMC_ECP 0x2 /* ECP */ 214 #define SMC_ECPEPP 0x3 /* ECP and EPP */ 215 216 /* 217 * Register defines for the SMC FDC37C935 parts 218 */ 219 220 /* Configuration ports */ 221 #define SMC935_CFG 0x370 222 #define SMC935_IND 0x370 223 #define SMC935_DAT 0x371 224 225 /* Registers */ 226 #define SMC935_LOGDEV 0x7 227 #define SMC935_ID 0x20 228 #define SMC935_PORTHI 0x60 229 #define SMC935_PORTLO 0x61 230 #define SMC935_PPMODE 0xf0 231 232 /* Parallel port modes */ 233 #define SMC935_SPP 0x38 + 0 234 #define SMC935_EPP19SPP 0x38 + 1 235 #define SMC935_ECP 0x38 + 2 236 #define SMC935_ECPEPP19 0x38 + 3 237 #define SMC935_CENT 0x38 + 4 238 #define SMC935_EPP17SPP 0x38 + 5 239 #define SMC935_UNUSED 0x38 + 6 240 #define SMC935_ECPEPP17 0x38 + 7 241 242 /* 243 * Register defines for the Winbond W83877F parts 244 */ 245 246 #define WINB_W83877F_ID 0xa 247 #define WINB_W83877AF_ID 0xb 248 249 /* Configuration bits */ 250 #define WINB_HEFERE (1<<5) /* CROC bit 5 */ 251 #define WINB_HEFRAS (1<<0) /* CR16 bit 0 */ 252 253 #define WINB_PNPCVS (1<<2) /* CR16 bit 2 */ 254 #define WINB_CHIPID 0xf /* CR9 bits 0-3 */ 255 256 #define WINB_PRTMODS0 (1<<2) /* CR0 bit 2 */ 257 #define WINB_PRTMODS1 (1<<3) /* CR0 bit 3 */ 258 #define WINB_PRTMODS2 (1<<7) /* CR9 bit 7 */ 259 260 /* W83877F modes: CR9/bit7 | CR0/bit3 | CR0/bit2 */ 261 #define WINB_W83757 0x0 262 #define WINB_EXTFDC 0x4 263 #define WINB_EXTADP 0x8 264 #define WINB_EXT2FDD 0xc 265 #define WINB_JOYSTICK 0x80 266 267 #define WINB_PARALLEL 0x80 268 #define WINB_EPP_SPP 0x4 269 #define WINB_ECP 0x8 270 #define WINB_ECP_EPP 0xc 271 272 #endif 273