1 /* 2 * Definitions for the SGI MACE (Multimedia, Audio and Communications Engine) 3 * 4 * This file is subject to the terms and conditions of the GNU General Public 5 * License. See the file "COPYING" in the main directory of this archive 6 * for more details. 7 * 8 * Copyright (C) 2000 Harald Koerfgen 9 * Copyright (C) 2004 Ladislav Michl 10 */ 11 12 #ifndef __ASM_MACE_H__ 13 #define __ASM_MACE_H__ 14 15 /* 16 * Address map 17 */ 18 #define MACE_BASE 0x1f000000 /* physical */ 19 20 /* 21 * PCI interface 22 */ 23 struct mace_pci { 24 volatile unsigned int error_addr; 25 volatile unsigned int error; 26 #define MACEPCI_ERROR_MASTER_ABORT BIT(31) 27 #define MACEPCI_ERROR_TARGET_ABORT BIT(30) 28 #define MACEPCI_ERROR_DATA_PARITY_ERR BIT(29) 29 #define MACEPCI_ERROR_RETRY_ERR BIT(28) 30 #define MACEPCI_ERROR_ILLEGAL_CMD BIT(27) 31 #define MACEPCI_ERROR_SYSTEM_ERR BIT(26) 32 #define MACEPCI_ERROR_INTERRUPT_TEST BIT(25) 33 #define MACEPCI_ERROR_PARITY_ERR BIT(24) 34 #define MACEPCI_ERROR_OVERRUN BIT(23) 35 #define MACEPCI_ERROR_RSVD BIT(22) 36 #define MACEPCI_ERROR_MEMORY_ADDR BIT(21) 37 #define MACEPCI_ERROR_CONFIG_ADDR BIT(20) 38 #define MACEPCI_ERROR_MASTER_ABORT_ADDR_VALID BIT(19) 39 #define MACEPCI_ERROR_TARGET_ABORT_ADDR_VALID BIT(18) 40 #define MACEPCI_ERROR_DATA_PARITY_ADDR_VALID BIT(17) 41 #define MACEPCI_ERROR_RETRY_ADDR_VALID BIT(16) 42 #define MACEPCI_ERROR_SIG_TABORT BIT(4) 43 #define MACEPCI_ERROR_DEVSEL_MASK 0xc0 44 #define MACEPCI_ERROR_DEVSEL_FAST 0 45 #define MACEPCI_ERROR_DEVSEL_MED 0x40 46 #define MACEPCI_ERROR_DEVSEL_SLOW 0x80 47 #define MACEPCI_ERROR_FBB BIT(1) 48 #define MACEPCI_ERROR_66MHZ BIT(0) 49 volatile unsigned int control; 50 #define MACEPCI_CONTROL_INT(x) BIT(x) 51 #define MACEPCI_CONTROL_INT_MASK 0xff 52 #define MACEPCI_CONTROL_SERR_ENA BIT(8) 53 #define MACEPCI_CONTROL_ARB_N6 BIT(9) 54 #define MACEPCI_CONTROL_PARITY_ERR BIT(10) 55 #define MACEPCI_CONTROL_MRMRA_ENA BIT(11) 56 #define MACEPCI_CONTROL_ARB_N3 BIT(12) 57 #define MACEPCI_CONTROL_ARB_N4 BIT(13) 58 #define MACEPCI_CONTROL_ARB_N5 BIT(14) 59 #define MACEPCI_CONTROL_PARK_LIU BIT(15) 60 #define MACEPCI_CONTROL_INV_INT(x) BIT(16+x) 61 #define MACEPCI_CONTROL_INV_INT_MASK 0x00ff0000 62 #define MACEPCI_CONTROL_OVERRUN_INT BIT(24) 63 #define MACEPCI_CONTROL_PARITY_INT BIT(25) 64 #define MACEPCI_CONTROL_SERR_INT BIT(26) 65 #define MACEPCI_CONTROL_IT_INT BIT(27) 66 #define MACEPCI_CONTROL_RE_INT BIT(28) 67 #define MACEPCI_CONTROL_DPED_INT BIT(29) 68 #define MACEPCI_CONTROL_TAR_INT BIT(30) 69 #define MACEPCI_CONTROL_MAR_INT BIT(31) 70 volatile unsigned int rev; 71 unsigned int _pad[0xcf8/4 - 4]; 72 volatile unsigned int config_addr; 73 union { 74 volatile unsigned char b[4]; 75 volatile unsigned short w[2]; 76 volatile unsigned int l; 77 } config_data; 78 }; 79 #define MACEPCI_LOW_MEMORY 0x1a000000 80 #define MACEPCI_LOW_IO 0x18000000 81 #define MACEPCI_SWAPPED_VIEW 0 82 #define MACEPCI_NATIVE_VIEW 0x40000000 83 #define MACEPCI_IO 0x80000000 84 #define MACEPCI_HI_MEMORY 0x280000000 85 #define MACEPCI_HI_IO 0x100000000 86 87 /* 88 * Video interface 89 */ 90 struct mace_video { 91 unsigned long xxx; /* later... */ 92 }; 93 94 /* 95 * Ethernet interface 96 */ 97 struct mace_ethernet { 98 volatile unsigned long mac_ctrl; 99 volatile unsigned long int_stat; 100 volatile unsigned long dma_ctrl; 101 volatile unsigned long timer; 102 volatile unsigned long tx_int_al; 103 volatile unsigned long rx_int_al; 104 volatile unsigned long tx_info; 105 volatile unsigned long tx_info_al; 106 volatile unsigned long rx_buff; 107 volatile unsigned long rx_buff_al1; 108 volatile unsigned long rx_buff_al2; 109 volatile unsigned long diag; 110 volatile unsigned long phy_data; 111 volatile unsigned long phy_regs; 112 volatile unsigned long phy_trans_go; 113 volatile unsigned long backoff_seed; 114 /*===================================*/ 115 volatile unsigned long imq_reserved[4]; 116 volatile unsigned long mac_addr; 117 volatile unsigned long mac_addr2; 118 volatile unsigned long mcast_filter; 119 volatile unsigned long tx_ring_base; 120 /* Following are read-only registers for debugging */ 121 volatile unsigned long tx_pkt1_hdr; 122 volatile unsigned long tx_pkt1_ptr[3]; 123 volatile unsigned long tx_pkt2_hdr; 124 volatile unsigned long tx_pkt2_ptr[3]; 125 /*===================================*/ 126 volatile unsigned long rx_fifo; 127 }; 128 129 /* 130 * Peripherals 131 */ 132 133 /* Audio registers */ 134 struct mace_audio { 135 volatile unsigned long control; 136 volatile unsigned long codec_control; /* codec status control */ 137 volatile unsigned long codec_mask; /* codec status input mask */ 138 volatile unsigned long codec_read; /* codec status read data */ 139 struct { 140 volatile unsigned long control; /* channel control */ 141 volatile unsigned long read_ptr; /* channel read pointer */ 142 volatile unsigned long write_ptr; /* channel write pointer */ 143 volatile unsigned long depth; /* channel depth */ 144 } chan[3]; 145 }; 146 147 148 /* register definitions for parallel port DMA */ 149 struct mace_parport { 150 /* 0 - do nothing, 151 * 1 - pulse terminal count to the device after buffer is drained */ 152 #define MACEPAR_CONTEXT_LASTFLAG BIT(63) 153 /* Should not cross 4K page boundary */ 154 #define MACEPAR_CONTEXT_DATA_BOUND 0x0000000000001000UL 155 #define MACEPAR_CONTEXT_DATALEN_MASK 0x00000fff00000000UL 156 #define MACEPAR_CONTEXT_DATALEN_SHIFT 32 157 /* Can be arbitrarily aligned on any byte boundary on output, 158 * 64 byte aligned on input */ 159 #define MACEPAR_CONTEXT_BASEADDR_MASK 0x00000000ffffffffUL 160 volatile u64 context_a; 161 volatile u64 context_b; 162 /* 0 - mem->device, 1 - device->mem */ 163 #define MACEPAR_CTLSTAT_DIRECTION BIT(0) 164 /* 0 - channel frozen, 1 - channel enabled */ 165 #define MACEPAR_CTLSTAT_ENABLE BIT(1) 166 /* 0 - channel active, 1 - complete channel reset */ 167 #define MACEPAR_CTLSTAT_RESET BIT(2) 168 #define MACEPAR_CTLSTAT_CTXB_VALID BIT(3) 169 #define MACEPAR_CTLSTAT_CTXA_VALID BIT(4) 170 volatile u64 cntlstat; /* Control/Status register */ 171 #define MACEPAR_DIAG_CTXINUSE BIT(0) 172 /* 1 - Dma engine is enabled and processing something */ 173 #define MACEPAR_DIAG_DMACTIVE BIT(1) 174 /* Counter of bytes left */ 175 #define MACEPAR_DIAG_CTRMASK 0x0000000000003ffcUL 176 #define MACEPAR_DIAG_CTRSHIFT 2 177 volatile u64 diagnostic; /* RO: diagnostic register */ 178 }; 179 180 /* ISA Control and DMA registers */ 181 struct mace_isactrl { 182 volatile unsigned long ringbase; 183 #define MACEISA_RINGBUFFERS_SIZE (8 * 4096) 184 185 volatile unsigned long misc; 186 #define MACEISA_FLASH_WE BIT(0) /* 1=> Enable FLASH writes */ 187 #define MACEISA_PWD_CLEAR BIT(1) /* 1=> PWD CLEAR jumper detected */ 188 #define MACEISA_NIC_DEASSERT BIT(2) 189 #define MACEISA_NIC_DATA BIT(3) 190 #define MACEISA_LED_RED BIT(4) /* 0=> Illuminate red LED */ 191 #define MACEISA_LED_GREEN BIT(5) /* 0=> Illuminate green LED */ 192 #define MACEISA_DP_RAM_ENABLE BIT(6) 193 194 volatile unsigned long istat; 195 volatile unsigned long imask; 196 #define MACEISA_AUDIO_SW_INT BIT(0) 197 #define MACEISA_AUDIO_SC_INT BIT(1) 198 #define MACEISA_AUDIO1_DMAT_INT BIT(2) 199 #define MACEISA_AUDIO1_OF_INT BIT(3) 200 #define MACEISA_AUDIO2_DMAT_INT BIT(4) 201 #define MACEISA_AUDIO2_MERR_INT BIT(5) 202 #define MACEISA_AUDIO3_DMAT_INT BIT(6) 203 #define MACEISA_AUDIO3_MERR_INT BIT(7) 204 #define MACEISA_RTC_INT BIT(8) 205 #define MACEISA_KEYB_INT BIT(9) 206 #define MACEISA_KEYB_POLL_INT BIT(10) 207 #define MACEISA_MOUSE_INT BIT(11) 208 #define MACEISA_MOUSE_POLL_INT BIT(12) 209 #define MACEISA_TIMER0_INT BIT(13) 210 #define MACEISA_TIMER1_INT BIT(14) 211 #define MACEISA_TIMER2_INT BIT(15) 212 #define MACEISA_PARALLEL_INT BIT(16) 213 #define MACEISA_PAR_CTXA_INT BIT(17) 214 #define MACEISA_PAR_CTXB_INT BIT(18) 215 #define MACEISA_PAR_MERR_INT BIT(19) 216 #define MACEISA_SERIAL1_INT BIT(20) 217 #define MACEISA_SERIAL1_TDMAT_INT BIT(21) 218 #define MACEISA_SERIAL1_TDMAPR_INT BIT(22) 219 #define MACEISA_SERIAL1_TDMAME_INT BIT(23) 220 #define MACEISA_SERIAL1_RDMAT_INT BIT(24) 221 #define MACEISA_SERIAL1_RDMAOR_INT BIT(25) 222 #define MACEISA_SERIAL2_INT BIT(26) 223 #define MACEISA_SERIAL2_TDMAT_INT BIT(27) 224 #define MACEISA_SERIAL2_TDMAPR_INT BIT(28) 225 #define MACEISA_SERIAL2_TDMAME_INT BIT(29) 226 #define MACEISA_SERIAL2_RDMAT_INT BIT(30) 227 #define MACEISA_SERIAL2_RDMAOR_INT BIT(31) 228 229 volatile unsigned long _pad[0x2000/8 - 4]; 230 231 volatile unsigned long dp_ram[0x400]; 232 struct mace_parport parport; 233 }; 234 235 /* Keyboard & Mouse registers 236 * -> drivers/input/serio/maceps2.c */ 237 struct mace_ps2port { 238 volatile unsigned long tx; 239 volatile unsigned long rx; 240 volatile unsigned long control; 241 volatile unsigned long status; 242 }; 243 244 struct mace_ps2 { 245 struct mace_ps2port keyb; 246 struct mace_ps2port mouse; 247 }; 248 249 /* I2C registers 250 * -> drivers/i2c/algos/i2c-algo-sgi.c */ 251 struct mace_i2c { 252 volatile unsigned long config; 253 #define MACEI2C_RESET BIT(0) 254 #define MACEI2C_FAST BIT(1) 255 #define MACEI2C_DATA_OVERRIDE BIT(2) 256 #define MACEI2C_CLOCK_OVERRIDE BIT(3) 257 #define MACEI2C_DATA_STATUS BIT(4) 258 #define MACEI2C_CLOCK_STATUS BIT(5) 259 volatile unsigned long control; 260 volatile unsigned long data; 261 }; 262 263 /* Timer registers */ 264 typedef union { 265 volatile unsigned long ust_msc; 266 struct reg { 267 volatile unsigned int ust; 268 volatile unsigned int msc; 269 } reg; 270 } timer_reg; 271 272 struct mace_timers { 273 volatile unsigned long ust; 274 #define MACE_UST_PERIOD_NS 960 275 276 volatile unsigned long compare1; 277 volatile unsigned long compare2; 278 volatile unsigned long compare3; 279 280 timer_reg audio_in; 281 timer_reg audio_out1; 282 timer_reg audio_out2; 283 timer_reg video_in1; 284 timer_reg video_in2; 285 timer_reg video_out; 286 }; 287 288 struct mace_perif { 289 struct mace_audio audio; 290 char _pad0[0x10000 - sizeof(struct mace_audio)]; 291 292 struct mace_isactrl ctrl; 293 char _pad1[0x10000 - sizeof(struct mace_isactrl)]; 294 295 struct mace_ps2 ps2; 296 char _pad2[0x10000 - sizeof(struct mace_ps2)]; 297 298 struct mace_i2c i2c; 299 char _pad3[0x10000 - sizeof(struct mace_i2c)]; 300 301 struct mace_timers timers; 302 char _pad4[0x10000 - sizeof(struct mace_timers)]; 303 }; 304 305 306 /* 307 * ISA peripherals 308 */ 309 310 /* Parallel port */ 311 struct mace_parallel { 312 }; 313 314 struct mace_ecp1284 { /* later... */ 315 }; 316 317 /* Serial port */ 318 struct mace_serial { 319 volatile unsigned long xxx; /* later... */ 320 }; 321 322 struct mace_isa { 323 struct mace_parallel parallel; 324 char _pad1[0x8000 - sizeof(struct mace_parallel)]; 325 326 struct mace_ecp1284 ecp1284; 327 char _pad2[0x8000 - sizeof(struct mace_ecp1284)]; 328 329 struct mace_serial serial1; 330 char _pad3[0x8000 - sizeof(struct mace_serial)]; 331 332 struct mace_serial serial2; 333 char _pad4[0x8000 - sizeof(struct mace_serial)]; 334 335 volatile unsigned char rtc[0x10000]; 336 }; 337 338 struct sgi_mace { 339 char _reserved[0x80000]; 340 341 struct mace_pci pci; 342 char _pad0[0x80000 - sizeof(struct mace_pci)]; 343 344 struct mace_video video_in1; 345 char _pad1[0x80000 - sizeof(struct mace_video)]; 346 347 struct mace_video video_in2; 348 char _pad2[0x80000 - sizeof(struct mace_video)]; 349 350 struct mace_video video_out; 351 char _pad3[0x80000 - sizeof(struct mace_video)]; 352 353 struct mace_ethernet eth; 354 char _pad4[0x80000 - sizeof(struct mace_ethernet)]; 355 356 struct mace_perif perif; 357 char _pad5[0x80000 - sizeof(struct mace_perif)]; 358 359 struct mace_isa isa; 360 char _pad6[0x80000 - sizeof(struct mace_isa)]; 361 }; 362 363 extern struct sgi_mace __iomem *mace; 364 365 #endif /* __ASM_MACE_H__ */ 366