Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* $Id: avm_a1.c,v 2.15.2.4 2004/01/13 21:46:03 keil Exp $ |
| 2 | * |
| 3 | * low level stuff for AVM A1 (Fritz) isdn cards |
| 4 | * |
| 5 | * Author Karsten Keil |
| 6 | * Copyright by Karsten Keil <keil@isdn4linux.de> |
| 7 | * |
| 8 | * This software may be used and distributed according to the terms |
| 9 | * of the GNU General Public License, incorporated herein by reference. |
| 10 | * |
| 11 | */ |
| 12 | |
| 13 | #include <linux/init.h> |
| 14 | #include "hisax.h" |
| 15 | #include "isac.h" |
| 16 | #include "hscx.h" |
| 17 | #include "isdnl1.h" |
| 18 | |
| 19 | extern const char *CardType[]; |
| 20 | static const char *avm_revision = "$Revision: 2.15.2.4 $"; |
| 21 | |
| 22 | #define AVM_A1_STAT_ISAC 0x01 |
| 23 | #define AVM_A1_STAT_HSCX 0x02 |
| 24 | #define AVM_A1_STAT_TIMER 0x04 |
| 25 | |
| 26 | #define byteout(addr,val) outb(val,addr) |
| 27 | #define bytein(addr) inb(addr) |
| 28 | |
| 29 | static inline u_char |
| 30 | readreg(unsigned int adr, u_char off) |
| 31 | { |
| 32 | return (bytein(adr + off)); |
| 33 | } |
| 34 | |
| 35 | static inline void |
| 36 | writereg(unsigned int adr, u_char off, u_char data) |
| 37 | { |
| 38 | byteout(adr + off, data); |
| 39 | } |
| 40 | |
| 41 | |
| 42 | static inline void |
| 43 | read_fifo(unsigned int adr, u_char * data, int size) |
| 44 | { |
| 45 | insb(adr, data, size); |
| 46 | } |
| 47 | |
| 48 | static void |
| 49 | write_fifo(unsigned int adr, u_char * data, int size) |
| 50 | { |
| 51 | outsb(adr, data, size); |
| 52 | } |
| 53 | |
| 54 | /* Interface functions */ |
| 55 | |
| 56 | static u_char |
| 57 | ReadISAC(struct IsdnCardState *cs, u_char offset) |
| 58 | { |
| 59 | return (readreg(cs->hw.avm.isac, offset)); |
| 60 | } |
| 61 | |
| 62 | static void |
| 63 | WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value) |
| 64 | { |
| 65 | writereg(cs->hw.avm.isac, offset, value); |
| 66 | } |
| 67 | |
| 68 | static void |
| 69 | ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size) |
| 70 | { |
| 71 | read_fifo(cs->hw.avm.isacfifo, data, size); |
| 72 | } |
| 73 | |
| 74 | static void |
| 75 | WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size) |
| 76 | { |
| 77 | write_fifo(cs->hw.avm.isacfifo, data, size); |
| 78 | } |
| 79 | |
| 80 | static u_char |
| 81 | ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset) |
| 82 | { |
| 83 | return (readreg(cs->hw.avm.hscx[hscx], offset)); |
| 84 | } |
| 85 | |
| 86 | static void |
| 87 | WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value) |
| 88 | { |
| 89 | writereg(cs->hw.avm.hscx[hscx], offset, value); |
| 90 | } |
| 91 | |
| 92 | /* |
| 93 | * fast interrupt HSCX stuff goes here |
| 94 | */ |
| 95 | |
| 96 | #define READHSCX(cs, nr, reg) readreg(cs->hw.avm.hscx[nr], reg) |
| 97 | #define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.avm.hscx[nr], reg, data) |
| 98 | #define READHSCXFIFO(cs, nr, ptr, cnt) read_fifo(cs->hw.avm.hscxfifo[nr], ptr, cnt) |
| 99 | #define WRITEHSCXFIFO(cs, nr, ptr, cnt) write_fifo(cs->hw.avm.hscxfifo[nr], ptr, cnt) |
| 100 | |
| 101 | #include "hscx_irq.c" |
| 102 | |
| 103 | static irqreturn_t |
| 104 | avm_a1_interrupt(int intno, void *dev_id, struct pt_regs *regs) |
| 105 | { |
| 106 | struct IsdnCardState *cs = dev_id; |
| 107 | u_char val, sval; |
| 108 | u_long flags; |
| 109 | |
| 110 | spin_lock_irqsave(&cs->lock, flags); |
| 111 | while (((sval = bytein(cs->hw.avm.cfg_reg)) & 0xf) != 0x7) { |
| 112 | if (!(sval & AVM_A1_STAT_TIMER)) { |
| 113 | byteout(cs->hw.avm.cfg_reg, 0x1E); |
| 114 | sval = bytein(cs->hw.avm.cfg_reg); |
| 115 | } else if (cs->debug & L1_DEB_INTSTAT) |
| 116 | debugl1(cs, "avm IntStatus %x", sval); |
| 117 | if (!(sval & AVM_A1_STAT_HSCX)) { |
| 118 | val = readreg(cs->hw.avm.hscx[1], HSCX_ISTA); |
| 119 | if (val) |
| 120 | hscx_int_main(cs, val); |
| 121 | } |
| 122 | if (!(sval & AVM_A1_STAT_ISAC)) { |
| 123 | val = readreg(cs->hw.avm.isac, ISAC_ISTA); |
| 124 | if (val) |
| 125 | isac_interrupt(cs, val); |
| 126 | } |
| 127 | } |
| 128 | writereg(cs->hw.avm.hscx[0], HSCX_MASK, 0xFF); |
| 129 | writereg(cs->hw.avm.hscx[1], HSCX_MASK, 0xFF); |
| 130 | writereg(cs->hw.avm.isac, ISAC_MASK, 0xFF); |
| 131 | writereg(cs->hw.avm.isac, ISAC_MASK, 0x0); |
| 132 | writereg(cs->hw.avm.hscx[0], HSCX_MASK, 0x0); |
| 133 | writereg(cs->hw.avm.hscx[1], HSCX_MASK, 0x0); |
| 134 | spin_unlock_irqrestore(&cs->lock, flags); |
| 135 | return IRQ_HANDLED; |
| 136 | } |
| 137 | |
Jesper Juhl | 77933d7 | 2005-07-27 11:46:09 -0700 | [diff] [blame] | 138 | static inline void |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | release_ioregs(struct IsdnCardState *cs, int mask) |
| 140 | { |
| 141 | release_region(cs->hw.avm.cfg_reg, 8); |
| 142 | if (mask & 1) |
| 143 | release_region(cs->hw.avm.isac + 32, 32); |
| 144 | if (mask & 2) |
| 145 | release_region(cs->hw.avm.isacfifo, 1); |
| 146 | if (mask & 4) |
| 147 | release_region(cs->hw.avm.hscx[0] + 32, 32); |
| 148 | if (mask & 8) |
| 149 | release_region(cs->hw.avm.hscxfifo[0], 1); |
| 150 | if (mask & 0x10) |
| 151 | release_region(cs->hw.avm.hscx[1] + 32, 32); |
| 152 | if (mask & 0x20) |
| 153 | release_region(cs->hw.avm.hscxfifo[1], 1); |
| 154 | } |
| 155 | |
| 156 | static int |
| 157 | AVM_card_msg(struct IsdnCardState *cs, int mt, void *arg) |
| 158 | { |
| 159 | u_long flags; |
| 160 | |
| 161 | switch (mt) { |
| 162 | case CARD_RESET: |
| 163 | return(0); |
| 164 | case CARD_RELEASE: |
| 165 | release_ioregs(cs, 0x3f); |
| 166 | return(0); |
| 167 | case CARD_INIT: |
| 168 | spin_lock_irqsave(&cs->lock, flags); |
| 169 | inithscxisac(cs, 1); |
| 170 | byteout(cs->hw.avm.cfg_reg, 0x16); |
| 171 | byteout(cs->hw.avm.cfg_reg, 0x1E); |
| 172 | inithscxisac(cs, 2); |
| 173 | spin_unlock_irqrestore(&cs->lock, flags); |
| 174 | return(0); |
| 175 | case CARD_TEST: |
| 176 | return(0); |
| 177 | } |
| 178 | return(0); |
| 179 | } |
| 180 | |
Karsten Keil | 67eb5db | 2006-07-10 04:44:11 -0700 | [diff] [blame^] | 181 | int __devinit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 182 | setup_avm_a1(struct IsdnCard *card) |
| 183 | { |
| 184 | u_char val; |
| 185 | struct IsdnCardState *cs = card->cs; |
| 186 | char tmp[64]; |
| 187 | |
| 188 | strcpy(tmp, avm_revision); |
| 189 | printk(KERN_INFO "HiSax: AVM driver Rev. %s\n", HiSax_getrev(tmp)); |
| 190 | if (cs->typ != ISDN_CTYPE_A1) |
| 191 | return (0); |
| 192 | |
| 193 | cs->hw.avm.cfg_reg = card->para[1] + 0x1800; |
| 194 | cs->hw.avm.isac = card->para[1] + 0x1400 - 0x20; |
| 195 | cs->hw.avm.hscx[0] = card->para[1] + 0x400 - 0x20; |
| 196 | cs->hw.avm.hscx[1] = card->para[1] + 0xc00 - 0x20; |
| 197 | cs->hw.avm.isacfifo = card->para[1] + 0x1000; |
| 198 | cs->hw.avm.hscxfifo[0] = card->para[1]; |
| 199 | cs->hw.avm.hscxfifo[1] = card->para[1] + 0x800; |
| 200 | cs->irq = card->para[0]; |
| 201 | if (!request_region(cs->hw.avm.cfg_reg, 8, "avm cfg")) { |
| 202 | printk(KERN_WARNING |
| 203 | "HiSax: %s config port %x-%x already in use\n", |
| 204 | CardType[card->typ], |
| 205 | cs->hw.avm.cfg_reg, |
| 206 | cs->hw.avm.cfg_reg + 8); |
| 207 | return (0); |
| 208 | } |
| 209 | if (!request_region(cs->hw.avm.isac + 32, 32, "HiSax isac")) { |
| 210 | printk(KERN_WARNING |
| 211 | "HiSax: %s isac ports %x-%x already in use\n", |
| 212 | CardType[cs->typ], |
| 213 | cs->hw.avm.isac + 32, |
| 214 | cs->hw.avm.isac + 64); |
| 215 | release_ioregs(cs, 0); |
| 216 | return (0); |
| 217 | } |
| 218 | if (!request_region(cs->hw.avm.isacfifo, 1, "HiSax isac fifo")) { |
| 219 | printk(KERN_WARNING |
| 220 | "HiSax: %s isac fifo port %x already in use\n", |
| 221 | CardType[cs->typ], |
| 222 | cs->hw.avm.isacfifo); |
| 223 | release_ioregs(cs, 1); |
| 224 | return (0); |
| 225 | } |
| 226 | if (!request_region(cs->hw.avm.hscx[0] + 32, 32, "HiSax hscx A")) { |
| 227 | printk(KERN_WARNING |
| 228 | "HiSax: %s hscx A ports %x-%x already in use\n", |
| 229 | CardType[cs->typ], |
| 230 | cs->hw.avm.hscx[0] + 32, |
| 231 | cs->hw.avm.hscx[0] + 64); |
| 232 | release_ioregs(cs, 3); |
| 233 | return (0); |
| 234 | } |
| 235 | if (!request_region(cs->hw.avm.hscxfifo[0], 1, "HiSax hscx A fifo")) { |
| 236 | printk(KERN_WARNING |
| 237 | "HiSax: %s hscx A fifo port %x already in use\n", |
| 238 | CardType[cs->typ], |
| 239 | cs->hw.avm.hscxfifo[0]); |
| 240 | release_ioregs(cs, 7); |
| 241 | return (0); |
| 242 | } |
| 243 | if (!request_region(cs->hw.avm.hscx[1] + 32, 32, "HiSax hscx B")) { |
| 244 | printk(KERN_WARNING |
| 245 | "HiSax: %s hscx B ports %x-%x already in use\n", |
| 246 | CardType[cs->typ], |
| 247 | cs->hw.avm.hscx[1] + 32, |
| 248 | cs->hw.avm.hscx[1] + 64); |
| 249 | release_ioregs(cs, 0xf); |
| 250 | return (0); |
| 251 | } |
| 252 | if (!request_region(cs->hw.avm.hscxfifo[1], 1, "HiSax hscx B fifo")) { |
| 253 | printk(KERN_WARNING |
| 254 | "HiSax: %s hscx B fifo port %x already in use\n", |
| 255 | CardType[cs->typ], |
| 256 | cs->hw.avm.hscxfifo[1]); |
| 257 | release_ioregs(cs, 0x1f); |
| 258 | return (0); |
| 259 | } |
| 260 | byteout(cs->hw.avm.cfg_reg, 0x0); |
| 261 | HZDELAY(HZ / 5 + 1); |
| 262 | byteout(cs->hw.avm.cfg_reg, 0x1); |
| 263 | HZDELAY(HZ / 5 + 1); |
| 264 | byteout(cs->hw.avm.cfg_reg, 0x0); |
| 265 | HZDELAY(HZ / 5 + 1); |
| 266 | val = cs->irq; |
| 267 | if (val == 9) |
| 268 | val = 2; |
| 269 | byteout(cs->hw.avm.cfg_reg + 1, val); |
| 270 | HZDELAY(HZ / 5 + 1); |
| 271 | byteout(cs->hw.avm.cfg_reg, 0x0); |
| 272 | HZDELAY(HZ / 5 + 1); |
| 273 | |
| 274 | val = bytein(cs->hw.avm.cfg_reg); |
| 275 | printk(KERN_INFO "AVM A1: Byte at %x is %x\n", |
| 276 | cs->hw.avm.cfg_reg, val); |
| 277 | val = bytein(cs->hw.avm.cfg_reg + 3); |
| 278 | printk(KERN_INFO "AVM A1: Byte at %x is %x\n", |
| 279 | cs->hw.avm.cfg_reg + 3, val); |
| 280 | val = bytein(cs->hw.avm.cfg_reg + 2); |
| 281 | printk(KERN_INFO "AVM A1: Byte at %x is %x\n", |
| 282 | cs->hw.avm.cfg_reg + 2, val); |
| 283 | val = bytein(cs->hw.avm.cfg_reg); |
| 284 | printk(KERN_INFO "AVM A1: Byte at %x is %x\n", |
| 285 | cs->hw.avm.cfg_reg, val); |
| 286 | |
| 287 | printk(KERN_INFO |
| 288 | "HiSax: %s config irq:%d cfg:0x%X\n", |
| 289 | CardType[cs->typ], cs->irq, |
| 290 | cs->hw.avm.cfg_reg); |
| 291 | printk(KERN_INFO |
| 292 | "HiSax: isac:0x%X/0x%X\n", |
| 293 | cs->hw.avm.isac + 32, cs->hw.avm.isacfifo); |
| 294 | printk(KERN_INFO |
| 295 | "HiSax: hscx A:0x%X/0x%X hscx B:0x%X/0x%X\n", |
| 296 | cs->hw.avm.hscx[0] + 32, cs->hw.avm.hscxfifo[0], |
| 297 | cs->hw.avm.hscx[1] + 32, cs->hw.avm.hscxfifo[1]); |
| 298 | |
| 299 | cs->readisac = &ReadISAC; |
| 300 | cs->writeisac = &WriteISAC; |
| 301 | cs->readisacfifo = &ReadISACfifo; |
| 302 | cs->writeisacfifo = &WriteISACfifo; |
| 303 | cs->BC_Read_Reg = &ReadHSCX; |
| 304 | cs->BC_Write_Reg = &WriteHSCX; |
| 305 | cs->BC_Send_Data = &hscx_fill_fifo; |
| 306 | setup_isac(cs); |
| 307 | cs->cardmsg = &AVM_card_msg; |
| 308 | cs->irq_func = &avm_a1_interrupt; |
| 309 | ISACVersion(cs, "AVM A1:"); |
| 310 | if (HscxVersion(cs, "AVM A1:")) { |
| 311 | printk(KERN_WARNING |
| 312 | "AVM A1: wrong HSCX versions check IO address\n"); |
| 313 | release_ioregs(cs, 0x3f); |
| 314 | return (0); |
| 315 | } |
| 316 | return (1); |
| 317 | } |