workbench/hidds/radeon/radeon_bios.c

   1 /*
   2     Copyright © 2004-2007, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: ATI radeon driver. BIOS part.
   6     Lang: English
   7 */
   8
   9 /*
  10  * This file is a derived version of the XFree86 ATI driver (radeon_bios.c file)
  11  */
  12
  13 #include <exec/types.h>
  14 #include <exec/memory.h>
  15
  16 #include <hidd/hidd.h>
  17 #include <hidd/graphics.h>
  18
  19 #include <proto/exec.h>
  20 #include <proto/oop.h>
  21 #include <proto/utility.h>
  22
  23 //#include <asm/io.h>
  24
  25 #include "ati.h"
  26 #include "radeon.h"
  27 #include "radeon_reg.h"
  28 #include "radeon_macros.h"
  29 #include "radeon_bios.h"
  30
  31 #define DEBUG 1
  32 #include <aros/debug.h>
  33
  34 #undef HiddPCIDeviceAttrBase
  35 #undef HiddGfxAttrBase
  36 #undef HiddPixFmtAttrBase
  37 #undef HiddSyncAttrBase
  38 #undef HiddBitMapAttrBase
  39 #define HiddPCIDeviceAttrBase   (sd->pciAttrBase)
  40 #define HiddATIBitMapAttrBase   (sd->atiBitMapAttrBase)
  41 #define HiddBitMapAttrBase  (sd->bitMapAttrBase)
  42 #define HiddPixFmtAttrBase  (sd->pixFmtAttrBase)
  43 #define HiddGfxAttrBase     (sd->gfxAttrBase)
  44 #define HiddSyncAttrBase    (sd->syncAttrBase)
  45
  46 #ifndef MAX
  47 #define MAX(a,b) ((a)>(b)?(a):(b))
  48 #endif
  49 #ifndef MIN
  50 #define MIN(a,b) ((a)>(b)?(b):(a))
  51 #endif
  52
  53
  54 /* Read the Video BIOS block and the FP registers (if applicable). */
  55 BOOL RADEONGetBIOSInfo(struct ati_staticdata *sd)
  56 {
  57     int tmp;
  58
  59     if (sd->Card.VBIOS[0] != 0x55 || sd->Card.VBIOS[1] != 0xaa) {
  60         D(bug("[ATI] Video BIOS not detected in PCI space!\n"));
  61         D(bug("[ATI] Attempting to read Video BIOS from legacy ISA space!\n"));
  62         sd->Card.VBIOS = AllocPooled(sd->memPool, 65536);
  63         CopyMemQuick((APTR)0x000c0000, sd->Card.VBIOS, 65536);
  64     }
  65
  66     if (sd->Card.VBIOS[0] != 0x55 || sd->Card.VBIOS[1] != 0xaa) {
  67         D(bug("[ATI] Unrecognized BIOS signature, BIOS data will not be used\n"));
  68         if (sd->Card.VBIOS != sd->Card.vbios_org)
  69             FreePooled(sd->memPool, sd->Card.VBIOS, 65536);
  70         sd->Card.VBIOS = NULL;
  71         return FALSE;
  72     }
  73
  74     if (sd->Card.VBIOS) sd->Card.ROMHeaderStart = RADEON_BIOS16(0x48);
  75
  76     if(!sd->Card.ROMHeaderStart) {
  77         D(bug("[ATI] Invalid ROM pointer, BIOS data will not be used\n"));
  78         if (sd->Card.VBIOS != sd->Card.vbios_org)
  79             FreePooled(sd->memPool, sd->Card.VBIOS, 65536);
  80         sd->Card.VBIOS = NULL;
  81         return FALSE;
  82     }
  83
  84     tmp = sd->Card.ROMHeaderStart + 4;
  85     if ((RADEON_BIOS8(tmp)   == 'A' &&
  86          RADEON_BIOS8(tmp+1) == 'T' &&
  87          RADEON_BIOS8(tmp+2) == 'O' &&
  88          RADEON_BIOS8(tmp+3) == 'M') ||
  89         (RADEON_BIOS8(tmp)   == 'M' &&
  90          RADEON_BIOS8(tmp+1) == 'O' &&
  91          RADEON_BIOS8(tmp+2) == 'T' &&
  92          RADEON_BIOS8(tmp+3) == 'A'))
  93         sd->Card.IsAtomBios = TRUE;
  94     else
  95         sd->Card.IsAtomBios = FALSE;
  96
  97     if (sd->Card.IsAtomBios)
  98         sd->Card.MasterDataStart = RADEON_BIOS16 (sd->Card.ROMHeaderStart + 32);
  99
 100     D(bug("[ATI] %s BIOS detected\n", sd->Card.IsAtomBios ? "ATOM":"Legacy"));
 101
 102     return TRUE;
 103 }
 104
 105 BOOL RADEONGetConnectorInfoFromBIOS(struct ati_staticdata *sd)
 106 {
 107     int i = 0, j, tmp, tmp0=0, tmp1=0;
 108
 109     if(!sd->Card.VBIOS) return FALSE;
 110
 111     if (sd->Card.IsAtomBios) {
 112         if((tmp = RADEON_BIOS16 (sd->Card.MasterDataStart + 22))) {
 113             int crtc = 0, id[2];
 114             tmp1 = RADEON_BIOS16 (tmp + 4);
 115             for (i=0; i<8; i++) {
 116                 if(tmp1 & (1<<i)) {
 117                     UWORD portinfo = RADEON_BIOS16(tmp+6+i*2);
 118                     if (crtc < 2) {
 119                         if ((i==2) || (i==6)) continue; /* ignore TV here */
 120
 121                         if (crtc == 1) {
 122                             /* sharing same port with id[0] */
 123                             if (((portinfo>>8) & 0xf) == id[0]) {
 124                                 if (i == 3)
 125                                     sd->Card.PortInfo[0].TMDSType = TMDS_INT;
 126                                 else if (i == 7)
 127                                     sd->Card.PortInfo[0].TMDSType = TMDS_EXT;
 128
 129                                 if (sd->Card.PortInfo[0].DACType == DAC_UNKNOWN)
 130                                     sd->Card.PortInfo[0].DACType = (portinfo & 0xf) - 1;
 131                                 continue;
 132                             }
 133                         }
 134                         id[crtc] = (portinfo>>8) & 0xf;
 135                         sd->Card.PortInfo[crtc].DACType = (portinfo & 0xf) - 1;
 136                         sd->Card.PortInfo[crtc].ConnectorType = (portinfo>>4) & 0xf;
 137                         if (i == 3)
 138                             sd->Card.PortInfo[crtc].TMDSType = TMDS_INT;
 139                         else if (i == 7)
 140                             sd->Card.PortInfo[crtc].TMDSType = TMDS_EXT;
 141
 142                         if((tmp0 = RADEON_BIOS16 (sd->Card.MasterDataStart + 24)) && id[crtc]) {
 143                             switch (RADEON_BIOS16 (tmp0 + 4 + 27 * id[crtc]) * 4)
 144                             {
 145                             case RADEON_GPIO_MONID:
 146                                 sd->Card.PortInfo[crtc].DDCType = DDC_MONID;
 147                                 break;
 148                             case RADEON_GPIO_DVI_DDC:
 149                                 sd->Card.PortInfo[crtc].DDCType = DDC_DVI;
 150                                 break;
 151                             case RADEON_GPIO_VGA_DDC:
 152                                 sd->Card.PortInfo[crtc].DDCType = DDC_VGA;
 153                                 break;
 154                             case RADEON_GPIO_CRT2_DDC:
 155                                 sd->Card.PortInfo[crtc].DDCType = DDC_CRT2;
 156                                 break;
 157                             default:
 158                                 sd->Card.PortInfo[crtc].DDCType = DDC_NONE;
 159                                 break;
 160                             }
 161
 162                         } else {
 163                             sd->Card.PortInfo[crtc].DDCType = DDC_NONE;
 164                         }
 165                         crtc++;
 166                     } else {
 167                         /* we have already had two CRTCs assigned. the rest may share the same
 168                          * port with the existing connector, fill in them accordingly.
 169                          */
 170                         for (j=0; j<2; j++) {
 171                             if (((portinfo>>8) & 0xf) == id[j]) {
 172                                 if (i == 3)
 173                                     sd->Card.PortInfo[j].TMDSType = TMDS_INT;
 174                                 else if (i == 7)
 175                                     sd->Card.PortInfo[j].TMDSType = TMDS_EXT;
 176
 177                                 if (sd->Card.PortInfo[j].DACType == DAC_UNKNOWN)
 178                                     sd->Card.PortInfo[j].DACType = (portinfo & 0xf) - 1;
 179                             }
 180                         }
 181                     }
 182                 }
 183             }
 184
 185             for (i=0; i<2; i++) {
 186                 D(bug("[ATI] Port%d: DDCType-%d, DACType-%d, TMDSType-%d, ConnectorType-%d\n",
 187                            i, sd->Card.PortInfo[i].DDCType, sd->Card.PortInfo[i].DACType,
 188                            sd->Card.PortInfo[i].TMDSType, sd->Card.PortInfo[i].ConnectorType));
 189             }
 190         } else {
 191             D(bug("[ATI] No Device Info Table found!\n"));
 192             return FALSE;
 193         }
 194     } else {
 195         /* Some laptops only have one connector (VGA) listed in the connector table,
 196          * we need to add LVDS in as a non-DDC display.
 197          * Note, we can't assume the listed VGA will be filled in PortInfo[0],
 198          * when walking through connector table. connector_found has following meaning:
 199          * 0 -- nothing found,
 200          * 1 -- only PortInfo[0] filled,
 201          * 2 -- only PortInfo[1] filled,
 202          * 3 -- both are filled.
 203          */
 204         int connector_found = 0;
 205
 206         if ((tmp = RADEON_BIOS16(sd->Card.ROMHeaderStart + 0x50))) {
 207             for (i = 1; i < 4; i++) {
 208
 209                 if (!RADEON_BIOS8(tmp + i*2) && i > 1) break; /* end of table */
 210
 211                 tmp0 = RADEON_BIOS16(tmp + i*2);
 212                 if (((tmp0 >> 12) & 0x0f) == 0) continue;     /* no connector */
 213                 if (connector_found > 0) {
 214                     if (sd->Card.PortInfo[tmp1].DDCType == ((tmp0 >> 8) & 0x0f))
 215                         continue;                             /* same connector */
 216                 }
 217
 218                 /* internal DDC_DVI port will get assigned to PortInfo[0], or if there is no DDC_DVI (like in some IGPs). */
 219                 tmp1 = ((((tmp0 >> 8) & 0xf) == DDC_DVI) || (tmp1 == 1)) ? 0 : 1; /* determine port info index */
 220
 221                 sd->Card.PortInfo[tmp1].DDCType        = (tmp0 >> 8) & 0x0f;
 222                 if (sd->Card.PortInfo[tmp1].DDCType > DDC_CRT2) sd->Card.PortInfo[tmp1].DDCType = DDC_NONE_DETECTED;
 223                 sd->Card.PortInfo[tmp1].DACType        = (tmp0 & 0x01) ? DAC_TVDAC : DAC_PRIMARY;
 224                 sd->Card.PortInfo[tmp1].ConnectorType  = (tmp0 >> 12) & 0x0f;
 225                 if (sd->Card.PortInfo[tmp1].ConnectorType > CONNECTOR_UNSUPPORTED) sd->Card.PortInfo[tmp1].ConnectorType = CONNECTOR_UNSUPPORTED;
 226                 sd->Card.PortInfo[tmp1].TMDSType       = ((tmp0 >> 4) & 0x01) ? TMDS_EXT : TMDS_INT;
 227
 228                 /* some sanity checks */
 229                 if (((sd->Card.PortInfo[tmp1].ConnectorType != CONNECTOR_DVI_D) &&
 230                      (sd->Card.PortInfo[tmp1].ConnectorType != CONNECTOR_DVI_I)) &&
 231                     sd->Card.PortInfo[tmp1].TMDSType == TMDS_INT)
 232                     sd->Card.PortInfo[tmp1].TMDSType = TMDS_UNKNOWN;
 233
 234                 connector_found += (tmp1 + 1);
 235             }
 236         } else {
 237             D(bug("[ATI] No Connector Info Table found!\n"));
 238             return FALSE;
 239         }
 240         if (sd->Card.IsMobility) {
 241             /* For the cases where only one VGA connector is found,
 242                we assume LVDS is not listed in the connector table,
 243                add it in here as the first port.
 244             */
 245             if ((connector_found < 3) && (sd->Card.PortInfo[tmp1].ConnectorType == CONNECTOR_CRT)) {
 246                 if (connector_found == 1) {
 247                     memcpy (&sd->Card.PortInfo[1], &sd->Card.PortInfo[0],
 248                             sizeof (sd->Card.PortInfo[0]));
 249                 }
 250                 sd->Card.PortInfo[0].DACType = DAC_TVDAC;
 251                 sd->Card.PortInfo[0].TMDSType = TMDS_UNKNOWN;
 252                 sd->Card.PortInfo[0].DDCType = DDC_NONE_DETECTED;
 253                 sd->Card.PortInfo[0].ConnectorType = CONNECTOR_PROPRIETARY;
 254
 255                 D(bug("[ATI] LVDS port is not in connector table, added in.\n"));
 256                 if (connector_found == 0) connector_found = 1;
 257                 else connector_found = 3;
 258             }
 259
 260             if ((tmp = RADEON_BIOS16(sd->Card.ROMHeaderStart + 0x42))) {
 261                 if ((tmp0 = RADEON_BIOS16(tmp + 0x15))) {
 262                     if ((tmp1 = RADEON_BIOS8(tmp0+2) & 0x07)) {
 263                         sd->Card.PortInfo[0].DDCType = tmp1;
 264                         D(bug("[ATI] LCD DDC Info Table found!\n"));
 265                     }
 266                 }
 267             }
 268         } else if (connector_found == 2) {
 269             memcpy (&sd->Card.PortInfo[0], &sd->Card.PortInfo[1],
 270                     sizeof (sd->Card.PortInfo[0]));
 271             sd->Card.PortInfo[1].DACType = DAC_UNKNOWN;
 272             sd->Card.PortInfo[1].TMDSType = TMDS_UNKNOWN;
 273             sd->Card.PortInfo[1].DDCType = DDC_NONE_DETECTED;
 274             sd->Card.PortInfo[1].ConnectorType = CONNECTOR_NONE;
 275             connector_found = 1;
 276         }
 277
 278         if (connector_found == 0) {
 279             D(bug("[ATI] No connector found in Connector Info Table.\n"));
 280         } else {
 281             D(bug("[ATI] Connector0: DDCType-%d, DACType-%d, TMDSType-%d, ConnectorType-%d\n",
 282                        sd->Card.PortInfo[0].DDCType, sd->Card.PortInfo[0].DACType,
 283                        sd->Card.PortInfo[0].TMDSType, sd->Card.PortInfo[0].ConnectorType));
 284         }
 285         if (connector_found == 3) {
 286             D(bug("[ATI] Connector1: DDCType-%d, DACType-%d, TMDSType-%d, ConnectorType-%d\n",
 287                        sd->Card.PortInfo[1].DDCType, sd->Card.PortInfo[1].DACType,
 288                        sd->Card.PortInfo[1].TMDSType, sd->Card.PortInfo[1].ConnectorType));
 289         }
 290     }
 291     return TRUE;
 292 }
 293
 294 /* Read PLL parameters from BIOS block.  Default to typical values if there
 295    is no BIOS. */
 296 BOOL RADEONGetClockInfoFromBIOS(struct ati_staticdata *sd)
 297 {
 298     RADEONPLLRec *pll = &sd->Card.pll;
 299     UWORD pll_info_block;
 300
 301     if (!sd->Card.VBIOS) {
 302         return FALSE;
 303     } else {
 304         if (sd->Card.IsAtomBios) {
 305             pll_info_block = RADEON_BIOS16 (sd->Card.MasterDataStart + 12);
 306
 307             pll->reference_freq = RADEON_BIOS16 (pll_info_block + 82);
 308             pll->reference_div = 0; /* Need to derive from existing setting
 309                                         or use a new algorithm to calculate
 310                                         from min_input and max_input
 311                                      */
 312             pll->min_pll_freq = RADEON_BIOS16 (pll_info_block + 78);
 313             pll->max_pll_freq = RADEON_BIOS32 (pll_info_block + 32);
 314             pll->xclk = RADEON_BIOS16 (pll_info_block + 72);
 315
 316             sd->Card.sclk = RADEON_BIOS32(pll_info_block + 8) / 100.0;
 317             sd->Card.mclk = RADEON_BIOS32(pll_info_block + 12) / 100.0;
 318             if (sd->Card.sclk == 0) sd->Card.sclk = 200;
 319             if (sd->Card.mclk == 0) sd->Card.mclk = 200;
 320
 321             D(bug("[ATI] ref_freq: %d, min_pll: %ld, max_pll: %ld, xclk: %d, sclk: %f, mclk: %f\n",
 322                        pll->reference_freq, pll->min_pll_freq, pll->max_pll_freq, pll->xclk, sd->Card.sclk, sd->Card.mclk));
 323
 324         } else {
 325             pll_info_block = RADEON_BIOS16 (sd->Card.ROMHeaderStart + 0x30);
 326
 327             pll->reference_freq = RADEON_BIOS16 (pll_info_block + 0x0e);
 328             pll->reference_div = RADEON_BIOS16 (pll_info_block + 0x10);
 329             pll->min_pll_freq = RADEON_BIOS32 (pll_info_block + 0x12);
 330             pll->max_pll_freq = RADEON_BIOS32 (pll_info_block + 0x16);
 331             pll->xclk = RADEON_BIOS16 (pll_info_block + 0x08);
 332
 333             sd->Card.sclk = RADEON_BIOS16(pll_info_block + 8) / 100.0;
 334             sd->Card.mclk = RADEON_BIOS16(pll_info_block + 10) / 100.0;
 335         }
 336     }
 337
 338     return TRUE;
 339 }