Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * newport_con.c: Abscon for newport hardware |
| 3 | * |
| 4 | * (C) 1998 Thomas Bogendoerfer (tsbogend@alpha.franken.de) |
| 5 | * (C) 1999 Ulf Carlsson (ulfc@thepuffingruop.com) |
| 6 | * |
| 7 | * This driver is based on sgicons.c and cons_newport. |
| 8 | * |
| 9 | * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com) |
| 10 | * Copyright (C) 1997 Miguel de Icaza (miguel@nuclecu.unam.mx) |
| 11 | */ |
| 12 | #include <linux/init.h> |
| 13 | #include <linux/kernel.h> |
| 14 | #include <linux/errno.h> |
| 15 | #include <linux/tty.h> |
| 16 | #include <linux/kd.h> |
| 17 | #include <linux/selection.h> |
| 18 | #include <linux/console.h> |
| 19 | #include <linux/vt_kern.h> |
| 20 | #include <linux/mm.h> |
| 21 | #include <linux/module.h> |
| 22 | #include <linux/slab.h> |
| 23 | |
| 24 | #include <asm/io.h> |
| 25 | #include <asm/uaccess.h> |
| 26 | #include <asm/system.h> |
| 27 | #include <asm/page.h> |
| 28 | #include <asm/pgtable.h> |
| 29 | #include <video/newport.h> |
| 30 | |
| 31 | #include <linux/linux_logo.h> |
| 32 | #include <linux/font.h> |
| 33 | |
| 34 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | extern unsigned long sgi_gfxaddr; |
| 36 | |
| 37 | #define FONT_DATA ((unsigned char *)font_vga_8x16.data) |
| 38 | |
| 39 | /* borrowed from fbcon.c */ |
| 40 | #define REFCOUNT(fd) (((int *)(fd))[-1]) |
| 41 | #define FNTSIZE(fd) (((int *)(fd))[-2]) |
| 42 | #define FNTCHARCNT(fd) (((int *)(fd))[-3]) |
| 43 | #define FONT_EXTRA_WORDS 3 |
| 44 | |
| 45 | static unsigned char *font_data[MAX_NR_CONSOLES]; |
| 46 | |
| 47 | static struct newport_regs *npregs; |
| 48 | |
| 49 | static int logo_active; |
| 50 | static int topscan; |
| 51 | static int xcurs_correction = 29; |
| 52 | static int newport_xsize; |
| 53 | static int newport_ysize; |
Antonino A. Daplas | e86bb8a | 2006-06-26 00:27:15 -0700 | [diff] [blame] | 54 | static int newport_has_init; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | |
| 56 | static int newport_set_def_font(int unit, struct console_font *op); |
| 57 | |
| 58 | #define BMASK(c) (c << 24) |
| 59 | |
| 60 | #define RENDER(regs, cp) do { \ |
| 61 | (regs)->go.zpattern = BMASK((cp)[0x0]); (regs)->go.zpattern = BMASK((cp)[0x1]); \ |
| 62 | (regs)->go.zpattern = BMASK((cp)[0x2]); (regs)->go.zpattern = BMASK((cp)[0x3]); \ |
| 63 | (regs)->go.zpattern = BMASK((cp)[0x4]); (regs)->go.zpattern = BMASK((cp)[0x5]); \ |
| 64 | (regs)->go.zpattern = BMASK((cp)[0x6]); (regs)->go.zpattern = BMASK((cp)[0x7]); \ |
| 65 | (regs)->go.zpattern = BMASK((cp)[0x8]); (regs)->go.zpattern = BMASK((cp)[0x9]); \ |
| 66 | (regs)->go.zpattern = BMASK((cp)[0xa]); (regs)->go.zpattern = BMASK((cp)[0xb]); \ |
| 67 | (regs)->go.zpattern = BMASK((cp)[0xc]); (regs)->go.zpattern = BMASK((cp)[0xd]); \ |
| 68 | (regs)->go.zpattern = BMASK((cp)[0xe]); (regs)->go.zpattern = BMASK((cp)[0xf]); \ |
| 69 | } while(0) |
| 70 | |
| 71 | #define TESTVAL 0xdeadbeef |
| 72 | #define XSTI_TO_FXSTART(val) (((val) & 0xffff) << 11) |
| 73 | |
| 74 | static inline void newport_render_background(int xstart, int ystart, |
| 75 | int xend, int yend, int ci) |
| 76 | { |
| 77 | newport_wait(npregs); |
| 78 | npregs->set.wrmask = 0xffffffff; |
| 79 | npregs->set.drawmode0 = (NPORT_DMODE0_DRAW | NPORT_DMODE0_BLOCK | |
| 80 | NPORT_DMODE0_DOSETUP | NPORT_DMODE0_STOPX |
| 81 | | NPORT_DMODE0_STOPY); |
| 82 | npregs->set.colori = ci; |
| 83 | npregs->set.xystarti = |
| 84 | (xstart << 16) | ((ystart + topscan) & 0x3ff); |
| 85 | npregs->go.xyendi = |
| 86 | ((xend + 7) << 16) | ((yend + topscan + 15) & 0x3ff); |
| 87 | } |
| 88 | |
| 89 | static inline void newport_init_cmap(void) |
| 90 | { |
| 91 | unsigned short i; |
| 92 | |
| 93 | for (i = 0; i < 16; i++) { |
| 94 | newport_bfwait(npregs); |
| 95 | newport_cmap_setaddr(npregs, color_table[i]); |
| 96 | newport_cmap_setrgb(npregs, |
| 97 | default_red[i], |
| 98 | default_grn[i], default_blu[i]); |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | static void newport_show_logo(void) |
| 103 | { |
| 104 | #ifdef CONFIG_LOGO_SGI_CLUT224 |
| 105 | const struct linux_logo *logo = fb_find_logo(8); |
| 106 | const unsigned char *clut = logo->clut; |
| 107 | const unsigned char *data = logo->data; |
| 108 | unsigned long i; |
| 109 | |
| 110 | for (i = 0; i < logo->clutsize; i++) { |
| 111 | newport_bfwait(npregs); |
| 112 | newport_cmap_setaddr(npregs, i + 0x20); |
| 113 | newport_cmap_setrgb(npregs, clut[0], clut[1], clut[2]); |
| 114 | clut += 3; |
| 115 | } |
| 116 | |
| 117 | newport_wait(npregs); |
| 118 | npregs->set.drawmode0 = (NPORT_DMODE0_DRAW | NPORT_DMODE0_BLOCK | |
| 119 | NPORT_DMODE0_CHOST); |
| 120 | |
| 121 | npregs->set.xystarti = ((newport_xsize - logo->width) << 16) | (0); |
| 122 | npregs->set.xyendi = ((newport_xsize - 1) << 16); |
| 123 | newport_wait(npregs); |
| 124 | |
| 125 | for (i = 0; i < logo->width*logo->height; i++) |
| 126 | npregs->go.hostrw0 = *data++ << 24; |
| 127 | #endif /* CONFIG_LOGO_SGI_CLUT224 */ |
| 128 | } |
| 129 | |
| 130 | static inline void newport_clear_screen(int xstart, int ystart, int xend, |
| 131 | int yend, int ci) |
| 132 | { |
| 133 | if (logo_active) |
| 134 | return; |
| 135 | |
| 136 | newport_wait(npregs); |
| 137 | npregs->set.wrmask = 0xffffffff; |
| 138 | npregs->set.drawmode0 = (NPORT_DMODE0_DRAW | NPORT_DMODE0_BLOCK | |
| 139 | NPORT_DMODE0_DOSETUP | NPORT_DMODE0_STOPX |
| 140 | | NPORT_DMODE0_STOPY); |
| 141 | npregs->set.colori = ci; |
| 142 | npregs->set.xystarti = (xstart << 16) | ystart; |
| 143 | npregs->go.xyendi = (xend << 16) | yend; |
| 144 | } |
| 145 | |
| 146 | static inline void newport_clear_lines(int ystart, int yend, int ci) |
| 147 | { |
| 148 | ystart = ((ystart << 4) + topscan) & 0x3ff; |
| 149 | yend = ((yend << 4) + topscan + 15) & 0x3ff; |
| 150 | newport_clear_screen(0, ystart, 1280 + 63, yend, ci); |
| 151 | } |
| 152 | |
Ralf Baechle | ac3f908 | 2006-03-27 01:17:37 -0800 | [diff] [blame] | 153 | static void newport_reset(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | { |
| 155 | unsigned short treg; |
| 156 | int i; |
| 157 | |
| 158 | newport_wait(npregs); |
| 159 | treg = newport_vc2_get(npregs, VC2_IREG_CONTROL); |
| 160 | newport_vc2_set(npregs, VC2_IREG_CONTROL, |
| 161 | (treg | VC2_CTRL_EVIDEO)); |
| 162 | |
| 163 | treg = newport_vc2_get(npregs, VC2_IREG_CENTRY); |
| 164 | newport_vc2_set(npregs, VC2_IREG_RADDR, treg); |
| 165 | npregs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_RAM | |
| 166 | NPORT_DMODE_W2 | VC2_PROTOCOL); |
| 167 | for (i = 0; i < 128; i++) { |
| 168 | newport_bfwait(npregs); |
| 169 | if (i == 92 || i == 94) |
| 170 | npregs->set.dcbdata0.byshort.s1 = 0xff00; |
| 171 | else |
| 172 | npregs->set.dcbdata0.byshort.s1 = 0x0000; |
| 173 | } |
| 174 | |
| 175 | newport_init_cmap(); |
| 176 | |
| 177 | /* turn off popup plane */ |
| 178 | npregs->set.dcbmode = (DCB_XMAP0 | R_DCB_XMAP9_PROTOCOL | |
| 179 | XM9_CRS_CONFIG | NPORT_DMODE_W1); |
| 180 | npregs->set.dcbdata0.bybytes.b3 &= ~XM9_PUPMODE; |
| 181 | npregs->set.dcbmode = (DCB_XMAP1 | R_DCB_XMAP9_PROTOCOL | |
| 182 | XM9_CRS_CONFIG | NPORT_DMODE_W1); |
| 183 | npregs->set.dcbdata0.bybytes.b3 &= ~XM9_PUPMODE; |
| 184 | |
| 185 | topscan = 0; |
| 186 | npregs->cset.topscan = 0x3ff; |
| 187 | npregs->cset.xywin = (4096 << 16) | 4096; |
| 188 | |
| 189 | /* Clear the screen. */ |
| 190 | newport_clear_screen(0, 0, 1280 + 63, 1024, 0); |
| 191 | } |
| 192 | |
| 193 | /* |
| 194 | * calculate the actual screen size by reading |
| 195 | * the video timing out of the VC2 |
| 196 | */ |
Ralf Baechle | ac3f908 | 2006-03-27 01:17:37 -0800 | [diff] [blame] | 197 | static void newport_get_screensize(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | { |
| 199 | int i, cols; |
| 200 | unsigned short ventry, treg; |
| 201 | unsigned short linetable[128]; /* should be enough */ |
| 202 | |
| 203 | ventry = newport_vc2_get(npregs, VC2_IREG_VENTRY); |
| 204 | newport_vc2_set(npregs, VC2_IREG_RADDR, ventry); |
| 205 | npregs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_RAM | |
| 206 | NPORT_DMODE_W2 | VC2_PROTOCOL); |
| 207 | for (i = 0; i < 128; i++) { |
| 208 | newport_bfwait(npregs); |
| 209 | linetable[i] = npregs->set.dcbdata0.byshort.s1; |
| 210 | } |
| 211 | |
| 212 | newport_xsize = newport_ysize = 0; |
| 213 | for (i = 0; linetable[i + 1] && (i < sizeof(linetable)); i += 2) { |
| 214 | cols = 0; |
| 215 | newport_vc2_set(npregs, VC2_IREG_RADDR, linetable[i]); |
| 216 | npregs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_RAM | |
| 217 | NPORT_DMODE_W2 | VC2_PROTOCOL); |
| 218 | do { |
| 219 | newport_bfwait(npregs); |
| 220 | treg = npregs->set.dcbdata0.byshort.s1; |
| 221 | if ((treg & 1) == 0) |
| 222 | cols += (treg >> 7) & 0xfe; |
| 223 | if ((treg & 0x80) == 0) { |
| 224 | newport_bfwait(npregs); |
| 225 | treg = npregs->set.dcbdata0.byshort.s1; |
| 226 | } |
| 227 | } while ((treg & 0x8000) == 0); |
| 228 | if (cols) { |
| 229 | if (cols > newport_xsize) |
| 230 | newport_xsize = cols; |
| 231 | newport_ysize += linetable[i + 1]; |
| 232 | } |
| 233 | } |
| 234 | printk("NG1: Screensize %dx%d\n", newport_xsize, newport_ysize); |
| 235 | } |
| 236 | |
| 237 | static void newport_get_revisions(void) |
| 238 | { |
| 239 | unsigned int tmp; |
| 240 | unsigned int board_rev; |
| 241 | unsigned int rex3_rev; |
| 242 | unsigned int vc2_rev; |
| 243 | unsigned int cmap_rev; |
| 244 | unsigned int xmap9_rev; |
| 245 | unsigned int bt445_rev; |
| 246 | unsigned int bitplanes; |
| 247 | |
| 248 | rex3_rev = npregs->cset.status & NPORT_STAT_VERS; |
| 249 | |
| 250 | npregs->set.dcbmode = (DCB_CMAP0 | NCMAP_PROTOCOL | |
| 251 | NCMAP_REGADDR_RREG | NPORT_DMODE_W1); |
| 252 | tmp = npregs->set.dcbdata0.bybytes.b3; |
| 253 | cmap_rev = tmp & 7; |
| 254 | board_rev = (tmp >> 4) & 7; |
| 255 | bitplanes = ((board_rev > 1) && (tmp & 0x80)) ? 8 : 24; |
| 256 | |
| 257 | npregs->set.dcbmode = (DCB_CMAP1 | NCMAP_PROTOCOL | |
| 258 | NCMAP_REGADDR_RREG | NPORT_DMODE_W1); |
| 259 | tmp = npregs->set.dcbdata0.bybytes.b3; |
| 260 | if ((tmp & 7) < cmap_rev) |
| 261 | cmap_rev = (tmp & 7); |
| 262 | |
| 263 | vc2_rev = (newport_vc2_get(npregs, VC2_IREG_CONFIG) >> 5) & 7; |
| 264 | |
| 265 | npregs->set.dcbmode = (DCB_XMAP0 | R_DCB_XMAP9_PROTOCOL | |
| 266 | XM9_CRS_REVISION | NPORT_DMODE_W1); |
| 267 | xmap9_rev = npregs->set.dcbdata0.bybytes.b3 & 7; |
| 268 | |
| 269 | npregs->set.dcbmode = (DCB_BT445 | BT445_PROTOCOL | |
| 270 | BT445_CSR_ADDR_REG | NPORT_DMODE_W1); |
| 271 | npregs->set.dcbdata0.bybytes.b3 = BT445_REVISION_REG; |
| 272 | npregs->set.dcbmode = (DCB_BT445 | BT445_PROTOCOL | |
| 273 | BT445_CSR_REVISION | NPORT_DMODE_W1); |
| 274 | bt445_rev = (npregs->set.dcbdata0.bybytes.b3 >> 4) - 0x0a; |
| 275 | |
| 276 | #define L(a) (char)('A'+(a)) |
| 277 | printk |
| 278 | ("NG1: Revision %d, %d bitplanes, REX3 revision %c, VC2 revision %c, xmap9 revision %c, cmap revision %c, bt445 revision %c\n", |
| 279 | board_rev, bitplanes, L(rex3_rev), L(vc2_rev), L(xmap9_rev), |
| 280 | L(cmap_rev ? (cmap_rev + 1) : 0), L(bt445_rev)); |
| 281 | #undef L |
| 282 | |
| 283 | if (board_rev == 3) /* I don't know all affected revisions */ |
| 284 | xcurs_correction = 21; |
| 285 | } |
| 286 | |
Antonino A. Daplas | e86bb8a | 2006-06-26 00:27:15 -0700 | [diff] [blame] | 287 | static void newport_exit(void) |
| 288 | { |
| 289 | int i; |
| 290 | |
| 291 | /* free memory used by user font */ |
| 292 | for (i = 0; i < MAX_NR_CONSOLES; i++) |
| 293 | newport_set_def_font(i, NULL); |
| 294 | } |
| 295 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | /* Can't be __init, take_over_console may call it later */ |
| 297 | static const char *newport_startup(void) |
| 298 | { |
| 299 | int i; |
| 300 | |
| 301 | if (!sgi_gfxaddr) |
| 302 | return NULL; |
Antonino A. Daplas | e86bb8a | 2006-06-26 00:27:15 -0700 | [diff] [blame] | 303 | |
| 304 | if (!npregs) |
| 305 | npregs = (struct newport_regs *)/* ioremap cannot fail */ |
| 306 | ioremap(sgi_gfxaddr, sizeof(struct newport_regs)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 307 | npregs->cset.config = NPORT_CFG_GD0; |
| 308 | |
| 309 | if (newport_wait(npregs)) |
| 310 | goto out_unmap; |
| 311 | |
| 312 | npregs->set.xstarti = TESTVAL; |
| 313 | if (npregs->set._xstart.word != XSTI_TO_FXSTART(TESTVAL)) |
| 314 | goto out_unmap; |
| 315 | |
| 316 | for (i = 0; i < MAX_NR_CONSOLES; i++) |
| 317 | font_data[i] = FONT_DATA; |
| 318 | |
| 319 | newport_reset(); |
| 320 | newport_get_revisions(); |
| 321 | newport_get_screensize(); |
Antonino A. Daplas | e86bb8a | 2006-06-26 00:27:15 -0700 | [diff] [blame] | 322 | newport_has_init = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 323 | |
| 324 | return "SGI Newport"; |
| 325 | |
| 326 | out_unmap: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 327 | return NULL; |
| 328 | } |
| 329 | |
| 330 | static void newport_init(struct vc_data *vc, int init) |
| 331 | { |
| 332 | vc->vc_cols = newport_xsize / 8; |
| 333 | vc->vc_rows = newport_ysize / 16; |
| 334 | vc->vc_can_do_color = 1; |
| 335 | } |
| 336 | |
| 337 | static void newport_deinit(struct vc_data *c) |
| 338 | { |
Antonino A. Daplas | e86bb8a | 2006-06-26 00:27:15 -0700 | [diff] [blame] | 339 | if (!con_is_bound(&newport_con) && newport_has_init) { |
| 340 | newport_exit(); |
| 341 | newport_has_init = 0; |
| 342 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | } |
| 344 | |
| 345 | static void newport_clear(struct vc_data *vc, int sy, int sx, int height, |
| 346 | int width) |
| 347 | { |
| 348 | int xend = ((sx + width) << 3) - 1; |
| 349 | int ystart = ((sy << 4) + topscan) & 0x3ff; |
| 350 | int yend = (((sy + height) << 4) + topscan - 1) & 0x3ff; |
| 351 | |
| 352 | if (logo_active) |
| 353 | return; |
| 354 | |
| 355 | if (ystart < yend) { |
| 356 | newport_clear_screen(sx << 3, ystart, xend, yend, |
| 357 | (vc->vc_color & 0xf0) >> 4); |
| 358 | } else { |
| 359 | newport_clear_screen(sx << 3, ystart, xend, 1023, |
| 360 | (vc->vc_color & 0xf0) >> 4); |
| 361 | newport_clear_screen(sx << 3, 0, xend, yend, |
| 362 | (vc->vc_color & 0xf0) >> 4); |
| 363 | } |
| 364 | } |
| 365 | |
| 366 | static void newport_putc(struct vc_data *vc, int charattr, int ypos, |
| 367 | int xpos) |
| 368 | { |
| 369 | unsigned char *p; |
| 370 | |
| 371 | p = &font_data[vc->vc_num][(charattr & 0xff) << 4]; |
| 372 | charattr = (charattr >> 8) & 0xff; |
| 373 | xpos <<= 3; |
| 374 | ypos <<= 4; |
| 375 | |
| 376 | newport_render_background(xpos, ypos, xpos, ypos, |
| 377 | (charattr & 0xf0) >> 4); |
| 378 | |
| 379 | /* Set the color and drawing mode. */ |
| 380 | newport_wait(npregs); |
| 381 | npregs->set.colori = charattr & 0xf; |
| 382 | npregs->set.drawmode0 = (NPORT_DMODE0_DRAW | NPORT_DMODE0_BLOCK | |
| 383 | NPORT_DMODE0_STOPX | NPORT_DMODE0_ZPENAB | |
| 384 | NPORT_DMODE0_L32); |
| 385 | |
| 386 | /* Set coordinates for bitmap operation. */ |
| 387 | npregs->set.xystarti = (xpos << 16) | ((ypos + topscan) & 0x3ff); |
| 388 | npregs->set.xyendi = ((xpos + 7) << 16); |
| 389 | newport_wait(npregs); |
| 390 | |
| 391 | /* Go, baby, go... */ |
| 392 | RENDER(npregs, p); |
| 393 | } |
| 394 | |
| 395 | static void newport_putcs(struct vc_data *vc, const unsigned short *s, |
| 396 | int count, int ypos, int xpos) |
| 397 | { |
| 398 | int i; |
| 399 | int charattr; |
| 400 | unsigned char *p; |
| 401 | |
| 402 | charattr = (scr_readw(s) >> 8) & 0xff; |
| 403 | |
| 404 | xpos <<= 3; |
| 405 | ypos <<= 4; |
| 406 | |
| 407 | if (!logo_active) |
| 408 | /* Clear the area behing the string */ |
| 409 | newport_render_background(xpos, ypos, |
| 410 | xpos + ((count - 1) << 3), ypos, |
| 411 | (charattr & 0xf0) >> 4); |
| 412 | |
| 413 | newport_wait(npregs); |
| 414 | |
| 415 | /* Set the color and drawing mode. */ |
| 416 | npregs->set.colori = charattr & 0xf; |
| 417 | npregs->set.drawmode0 = (NPORT_DMODE0_DRAW | NPORT_DMODE0_BLOCK | |
| 418 | NPORT_DMODE0_STOPX | NPORT_DMODE0_ZPENAB | |
| 419 | NPORT_DMODE0_L32); |
| 420 | |
| 421 | for (i = 0; i < count; i++, xpos += 8) { |
| 422 | p = &font_data[vc->vc_num][(scr_readw(s++) & 0xff) << 4]; |
| 423 | |
| 424 | newport_wait(npregs); |
| 425 | |
| 426 | /* Set coordinates for bitmap operation. */ |
| 427 | npregs->set.xystarti = |
| 428 | (xpos << 16) | ((ypos + topscan) & 0x3ff); |
| 429 | npregs->set.xyendi = ((xpos + 7) << 16); |
| 430 | |
| 431 | /* Go, baby, go... */ |
| 432 | RENDER(npregs, p); |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | static void newport_cursor(struct vc_data *vc, int mode) |
| 437 | { |
| 438 | unsigned short treg; |
| 439 | int xcurs, ycurs; |
| 440 | |
| 441 | switch (mode) { |
| 442 | case CM_ERASE: |
| 443 | treg = newport_vc2_get(npregs, VC2_IREG_CONTROL); |
| 444 | newport_vc2_set(npregs, VC2_IREG_CONTROL, |
| 445 | (treg & ~(VC2_CTRL_ECDISP))); |
| 446 | break; |
| 447 | |
| 448 | case CM_MOVE: |
| 449 | case CM_DRAW: |
| 450 | treg = newport_vc2_get(npregs, VC2_IREG_CONTROL); |
| 451 | newport_vc2_set(npregs, VC2_IREG_CONTROL, |
| 452 | (treg | VC2_CTRL_ECDISP)); |
| 453 | xcurs = (vc->vc_pos - vc->vc_visible_origin) / 2; |
| 454 | ycurs = ((xcurs / vc->vc_cols) << 4) + 31; |
| 455 | xcurs = ((xcurs % vc->vc_cols) << 3) + xcurs_correction; |
| 456 | newport_vc2_set(npregs, VC2_IREG_CURSX, xcurs); |
| 457 | newport_vc2_set(npregs, VC2_IREG_CURSY, ycurs); |
| 458 | } |
| 459 | } |
| 460 | |
| 461 | static int newport_switch(struct vc_data *vc) |
| 462 | { |
| 463 | static int logo_drawn = 0; |
| 464 | |
| 465 | topscan = 0; |
| 466 | npregs->cset.topscan = 0x3ff; |
| 467 | |
| 468 | if (!logo_drawn) { |
| 469 | newport_show_logo(); |
| 470 | logo_drawn = 1; |
| 471 | logo_active = 1; |
| 472 | } |
| 473 | |
| 474 | return 1; |
| 475 | } |
| 476 | |
| 477 | static int newport_blank(struct vc_data *c, int blank, int mode_switch) |
| 478 | { |
| 479 | unsigned short treg; |
| 480 | |
| 481 | if (blank == 0) { |
| 482 | /* unblank console */ |
| 483 | treg = newport_vc2_get(npregs, VC2_IREG_CONTROL); |
| 484 | newport_vc2_set(npregs, VC2_IREG_CONTROL, |
| 485 | (treg | VC2_CTRL_EDISP)); |
| 486 | } else { |
| 487 | /* blank console */ |
| 488 | treg = newport_vc2_get(npregs, VC2_IREG_CONTROL); |
| 489 | newport_vc2_set(npregs, VC2_IREG_CONTROL, |
| 490 | (treg & ~(VC2_CTRL_EDISP))); |
| 491 | } |
| 492 | return 1; |
| 493 | } |
| 494 | |
| 495 | static int newport_set_font(int unit, struct console_font *op) |
| 496 | { |
| 497 | int w = op->width; |
| 498 | int h = op->height; |
| 499 | int size = h * op->charcount; |
| 500 | int i; |
| 501 | unsigned char *new_data, *data = op->data, *p; |
| 502 | |
| 503 | /* ladis: when I grow up, there will be a day... and more sizes will |
| 504 | * be supported ;-) */ |
| 505 | if ((w != 8) || (h != 16) |
| 506 | || (op->charcount != 256 && op->charcount != 512)) |
| 507 | return -EINVAL; |
| 508 | |
| 509 | if (!(new_data = kmalloc(FONT_EXTRA_WORDS * sizeof(int) + size, |
| 510 | GFP_USER))) return -ENOMEM; |
| 511 | |
| 512 | new_data += FONT_EXTRA_WORDS * sizeof(int); |
| 513 | FNTSIZE(new_data) = size; |
| 514 | FNTCHARCNT(new_data) = op->charcount; |
| 515 | REFCOUNT(new_data) = 0; /* usage counter */ |
| 516 | |
| 517 | p = new_data; |
| 518 | for (i = 0; i < op->charcount; i++) { |
| 519 | memcpy(p, data, h); |
| 520 | data += 32; |
| 521 | p += h; |
| 522 | } |
| 523 | |
| 524 | /* check if font is already used by other console */ |
| 525 | for (i = 0; i < MAX_NR_CONSOLES; i++) { |
| 526 | if (font_data[i] != FONT_DATA |
| 527 | && FNTSIZE(font_data[i]) == size |
| 528 | && !memcmp(font_data[i], new_data, size)) { |
| 529 | kfree(new_data - FONT_EXTRA_WORDS * sizeof(int)); |
| 530 | /* current font is the same as the new one */ |
| 531 | if (i == unit) |
| 532 | return 0; |
| 533 | new_data = font_data[i]; |
| 534 | break; |
| 535 | } |
| 536 | } |
| 537 | /* old font is user font */ |
| 538 | if (font_data[unit] != FONT_DATA) { |
| 539 | if (--REFCOUNT(font_data[unit]) == 0) |
| 540 | kfree(font_data[unit] - |
| 541 | FONT_EXTRA_WORDS * sizeof(int)); |
| 542 | } |
| 543 | REFCOUNT(new_data)++; |
| 544 | font_data[unit] = new_data; |
| 545 | |
| 546 | return 0; |
| 547 | } |
| 548 | |
| 549 | static int newport_set_def_font(int unit, struct console_font *op) |
| 550 | { |
| 551 | if (font_data[unit] != FONT_DATA) { |
| 552 | if (--REFCOUNT(font_data[unit]) == 0) |
| 553 | kfree(font_data[unit] - |
| 554 | FONT_EXTRA_WORDS * sizeof(int)); |
| 555 | font_data[unit] = FONT_DATA; |
| 556 | } |
| 557 | |
| 558 | return 0; |
| 559 | } |
| 560 | |
| 561 | static int newport_font_default(struct vc_data *vc, struct console_font *op, char *name) |
| 562 | { |
| 563 | return newport_set_def_font(vc->vc_num, op); |
| 564 | } |
| 565 | |
| 566 | static int newport_font_set(struct vc_data *vc, struct console_font *font, unsigned flags) |
| 567 | { |
| 568 | return newport_set_font(vc->vc_num, font); |
| 569 | } |
| 570 | |
| 571 | static int newport_set_palette(struct vc_data *vc, unsigned char *table) |
| 572 | { |
| 573 | return -EINVAL; |
| 574 | } |
| 575 | |
| 576 | static int newport_scrolldelta(struct vc_data *vc, int lines) |
| 577 | { |
| 578 | /* there is (nearly) no off-screen memory, so we can't scroll back */ |
| 579 | return 0; |
| 580 | } |
| 581 | |
| 582 | static int newport_scroll(struct vc_data *vc, int t, int b, int dir, |
| 583 | int lines) |
| 584 | { |
| 585 | int count, x, y; |
| 586 | unsigned short *s, *d; |
| 587 | unsigned short chattr; |
| 588 | |
| 589 | logo_active = 0; /* it's time to disable the logo now.. */ |
| 590 | |
| 591 | if (t == 0 && b == vc->vc_rows) { |
| 592 | if (dir == SM_UP) { |
| 593 | topscan = (topscan + (lines << 4)) & 0x3ff; |
| 594 | newport_clear_lines(vc->vc_rows - lines, |
| 595 | vc->vc_rows - 1, |
| 596 | (vc->vc_color & 0xf0) >> 4); |
| 597 | } else { |
| 598 | topscan = (topscan + (-lines << 4)) & 0x3ff; |
| 599 | newport_clear_lines(0, lines - 1, |
| 600 | (vc->vc_color & 0xf0) >> 4); |
| 601 | } |
| 602 | npregs->cset.topscan = (topscan - 1) & 0x3ff; |
| 603 | return 0; |
| 604 | } |
| 605 | |
| 606 | count = (b - t - lines) * vc->vc_cols; |
| 607 | if (dir == SM_UP) { |
| 608 | x = 0; |
| 609 | y = t; |
| 610 | s = (unsigned short *) (vc->vc_origin + |
| 611 | vc->vc_size_row * (t + lines)); |
| 612 | d = (unsigned short *) (vc->vc_origin + |
| 613 | vc->vc_size_row * t); |
| 614 | while (count--) { |
| 615 | chattr = scr_readw(s++); |
| 616 | if (chattr != scr_readw(d)) { |
| 617 | newport_putc(vc, chattr, y, x); |
| 618 | scr_writew(chattr, d); |
| 619 | } |
| 620 | d++; |
| 621 | if (++x == vc->vc_cols) { |
| 622 | x = 0; |
| 623 | y++; |
| 624 | } |
| 625 | } |
| 626 | d = (unsigned short *) (vc->vc_origin + |
| 627 | vc->vc_size_row * (b - lines)); |
| 628 | x = 0; |
| 629 | y = b - lines; |
| 630 | for (count = 0; count < (lines * vc->vc_cols); count++) { |
| 631 | if (scr_readw(d) != vc->vc_video_erase_char) { |
| 632 | newport_putc(vc, vc->vc_video_erase_char, |
| 633 | y, x); |
| 634 | scr_writew(vc->vc_video_erase_char, d); |
| 635 | } |
| 636 | d++; |
| 637 | if (++x == vc->vc_cols) { |
| 638 | x = 0; |
| 639 | y++; |
| 640 | } |
| 641 | } |
| 642 | } else { |
| 643 | x = vc->vc_cols - 1; |
| 644 | y = b - 1; |
| 645 | s = (unsigned short *) (vc->vc_origin + |
| 646 | vc->vc_size_row * (b - lines) - 2); |
| 647 | d = (unsigned short *) (vc->vc_origin + |
| 648 | vc->vc_size_row * b - 2); |
| 649 | while (count--) { |
| 650 | chattr = scr_readw(s--); |
| 651 | if (chattr != scr_readw(d)) { |
| 652 | newport_putc(vc, chattr, y, x); |
| 653 | scr_writew(chattr, d); |
| 654 | } |
| 655 | d--; |
| 656 | if (x-- == 0) { |
| 657 | x = vc->vc_cols - 1; |
| 658 | y--; |
| 659 | } |
| 660 | } |
| 661 | d = (unsigned short *) (vc->vc_origin + |
| 662 | vc->vc_size_row * t); |
| 663 | x = 0; |
| 664 | y = t; |
| 665 | for (count = 0; count < (lines * vc->vc_cols); count++) { |
| 666 | if (scr_readw(d) != vc->vc_video_erase_char) { |
| 667 | newport_putc(vc, vc->vc_video_erase_char, |
| 668 | y, x); |
| 669 | scr_writew(vc->vc_video_erase_char, d); |
| 670 | } |
| 671 | d++; |
| 672 | if (++x == vc->vc_cols) { |
| 673 | x = 0; |
| 674 | y++; |
| 675 | } |
| 676 | } |
| 677 | } |
| 678 | return 1; |
| 679 | } |
| 680 | |
| 681 | static void newport_bmove(struct vc_data *vc, int sy, int sx, int dy, |
| 682 | int dx, int h, int w) |
| 683 | { |
| 684 | short xs, ys, xe, ye, xoffs, yoffs, tmp; |
| 685 | |
| 686 | xs = sx << 3; |
| 687 | xe = ((sx + w) << 3) - 1; |
| 688 | /* |
| 689 | * as bmove is only used to move stuff around in the same line |
| 690 | * (h == 1), we don't care about wrap arounds caused by topscan != 0 |
| 691 | */ |
| 692 | ys = ((sy << 4) + topscan) & 0x3ff; |
| 693 | ye = (((sy + h) << 4) - 1 + topscan) & 0x3ff; |
| 694 | xoffs = (dx - sx) << 3; |
| 695 | yoffs = (dy - sy) << 4; |
| 696 | if (xoffs > 0) { |
| 697 | /* move to the right, exchange starting points */ |
| 698 | tmp = xe; |
| 699 | xe = xs; |
| 700 | xs = tmp; |
| 701 | } |
| 702 | newport_wait(npregs); |
| 703 | npregs->set.drawmode0 = (NPORT_DMODE0_S2S | NPORT_DMODE0_BLOCK | |
| 704 | NPORT_DMODE0_DOSETUP | NPORT_DMODE0_STOPX |
| 705 | | NPORT_DMODE0_STOPY); |
| 706 | npregs->set.xystarti = (xs << 16) | ys; |
| 707 | npregs->set.xyendi = (xe << 16) | ye; |
| 708 | npregs->go.xymove = (xoffs << 16) | yoffs; |
| 709 | } |
| 710 | |
| 711 | static int newport_dummy(struct vc_data *c) |
| 712 | { |
| 713 | return 0; |
| 714 | } |
| 715 | |
| 716 | #define DUMMY (void *) newport_dummy |
| 717 | |
| 718 | const struct consw newport_con = { |
| 719 | .owner = THIS_MODULE, |
| 720 | .con_startup = newport_startup, |
| 721 | .con_init = newport_init, |
| 722 | .con_deinit = newport_deinit, |
| 723 | .con_clear = newport_clear, |
| 724 | .con_putc = newport_putc, |
| 725 | .con_putcs = newport_putcs, |
| 726 | .con_cursor = newport_cursor, |
| 727 | .con_scroll = newport_scroll, |
| 728 | .con_bmove = newport_bmove, |
| 729 | .con_switch = newport_switch, |
| 730 | .con_blank = newport_blank, |
| 731 | .con_font_set = newport_font_set, |
| 732 | .con_font_default = newport_font_default, |
| 733 | .con_set_palette = newport_set_palette, |
| 734 | .con_scrolldelta = newport_scrolldelta, |
| 735 | .con_set_origin = DUMMY, |
| 736 | .con_save_screen = DUMMY |
| 737 | }; |
| 738 | |
| 739 | #ifdef MODULE |
| 740 | static int __init newport_console_init(void) |
| 741 | { |
Antonino A. Daplas | e86bb8a | 2006-06-26 00:27:15 -0700 | [diff] [blame] | 742 | |
| 743 | if (!sgi_gfxaddr) |
| 744 | return NULL; |
| 745 | |
| 746 | if (!npregs) |
| 747 | npregs = (struct newport_regs *)/* ioremap cannot fail */ |
| 748 | ioremap(sgi_gfxaddr, sizeof(struct newport_regs)); |
| 749 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 750 | return take_over_console(&newport_con, 0, MAX_NR_CONSOLES - 1, 1); |
| 751 | } |
Antonino A. Daplas | e86bb8a | 2006-06-26 00:27:15 -0700 | [diff] [blame] | 752 | module_init(newport_console_init); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 753 | |
| 754 | static void __exit newport_console_exit(void) |
| 755 | { |
| 756 | give_up_console(&newport_con); |
| 757 | iounmap((void *)npregs); |
| 758 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 759 | module_exit(newport_console_exit); |
| 760 | #endif |
| 761 | |
| 762 | MODULE_LICENSE("GPL"); |