arch/ppc-chrp/hidd.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 #include <proto/openfirmware.h>
  23
  24 //#include <asm/io.h>
  25
  26 #include "ati.h"
  27 #include "radeon.h"
  28 #include "radeon_reg.h"
  29 #include "radeon_macros.h"
  30 #include "radeon_bios.h"
  31
  32 #define DEBUG 1
  33 #include <aros/debug.h>
  34
  35 #undef HiddPCIDeviceAttrBase
  36 #undef HiddGfxAttrBase
  37 #undef HiddPixFmtAttrBase
  38 #undef HiddSyncAttrBase
  39 #undef HiddBitMapAttrBase
  40 #define HiddPCIDeviceAttrBase   (sd->pciAttrBase)
  41 #define HiddATIBitMapAttrBase   (sd->atiBitMapAttrBase)
  42 #define HiddBitMapAttrBase  (sd->bitMapAttrBase)
  43 #define HiddPixFmtAttrBase  (sd->pixFmtAttrBase)
  44 #define HiddGfxAttrBase     (sd->gfxAttrBase)
  45 #define HiddSyncAttrBase    (sd->syncAttrBase)
  46
  47 #ifndef MAX
  48 #define MAX(a,b) ((a)>(b)?(a):(b))
  49 #endif
  50 #ifndef MIN
  51 #define MIN(a,b) ((a)>(b)?(b):(a))
  52 #endif
  53
  54
  55 /* Read the Video BIOS block and the FP registers (if applicable). */
  56 BOOL RADEONGetBIOSInfo(struct ati_staticdata *sd)
  57 {
  58     int tmp;
  59
  60     if (sd->Card.VBIOS[0] != 0x55 || sd->Card.VBIOS[1] != 0xaa) {
  61         D(bug("[ATI] Video BIOS not detected in PCI space!\n"));
  62         D(bug("[ATI] Attempting to read Video BIOS using openfirmware\n"));
  63         sd->Card.VBIOS = NULL;
  64
  65         void *OpenFirmwareBase = OpenResource("openfirmware.resource");
  66         void *key = OF_OpenKey("/pci/display");
  67
  68         if (key)
  69         {
  70                         void *rom_prop = OF_FindProperty(key, "rom");
  71                         if (rom_prop)
  72                                 sd->Card.VBIOS = OF_GetPropValue(rom_prop);
  73         }
  74         D(bug("[ATI] OF reported BIOS at %08x\n", sd->Card.VBIOS));
  75     }
  76
  77     if (sd->Card.VBIOS[0] != 0x55 || sd->Card.VBIOS[1] != 0xaa) {
  78         D(bug("[ATI] Unrecognized BIOS signature, BIOS data will not be used\n"));
  79         sd->Card.VBIOS = NULL;
  80         return FALSE;
  81     }
  82
  83     if (sd->Card.VBIOS) sd->Card.ROMHeaderStart = RADEON_BIOS16(0x48);
  84
  85     if(!sd->Card.ROMHeaderStart) {
  86         D(bug("[ATI] Invalid ROM pointer, BIOS data will not be used\n"));
  87         if (sd->Card.VBIOS != sd->Card.vbios_org)
  88             FreePooled(sd->memPool, sd->Card.VBIOS, 65536);
  89         sd->Card.VBIOS = NULL;
  90         return FALSE;
  91     }
  92
  93     tmp = sd->Card.ROMHeaderStart + 4;
  94     if ((RADEON_BIOS8(tmp)   == 'A' &&
  95          RADEON_BIOS8(tmp+1) == 'T' &&
  96          RADEON_BIOS8(tmp+2) == 'O' &&
  97          RADEON_BIOS8(tmp+3) == 'M') ||
  98         (RADEON_BIOS8(tmp)   == 'M' &&
  99          RADEON_BIOS8(tmp+1) == 'O' &&
 100          RADEON_BIOS8(tmp+2) == 'T' &&
 101          RADEON_BIOS8(tmp+3) == 'A'))
 102         sd->Card.IsAtomBios = TRUE;
 103     else
 104         sd->Card.IsAtomBios = FALSE;
 105
 106     if (sd->Card.IsAtomBios)
 107         sd->Card.MasterDataStart = RADEON_BIOS16 (sd->Card.ROMHeaderStart + 32);
 108
 109     D(bug("[ATI] %s BIOS detected\n", sd->Card.IsAtomBios ? "ATOM":"Legacy"));
 110
 111     return TRUE;
 112 }
 113
 114 BOOL RADEONGetConnectorInfoFromBIOS(struct ati_staticdata *sd)
 115 {
 116     int i = 0, j, tmp, tmp0=0, tmp1=0;
 117
 118     if(!sd->Card.VBIOS) return FALSE;
 119
 120     if (sd->Card.IsAtomBios) {
 121         if((tmp = RADEON_BIOS16 (sd->Card.MasterDataStart + 22))) {
 122             int crtc = 0, id[2];
 123             tmp1 = RADEON_BIOS16 (tmp + 4);
 124             for (i=0; i<8; i++) {
 125                 if(tmp1 & (1<<i)) {
 126                     UWORD portinfo = RADEON_BIOS16(tmp+6+i*2);
 127                     if (crtc < 2) {
 128                         if ((i==2) || (i==6)) continue; /* ignore TV here */
 129
 130                         if (crtc == 1) {
 131                             /* sharing same port with id[0] */
 132                             if (((portinfo>>8) & 0xf) == id[0]) {
 133                                 if (i == 3)
 134                                     sd->Card.PortInfo[0].TMDSType = TMDS_INT;
 135                                 else if (i == 7)
 136                                     sd->Card.PortInfo[0].TMDSType = TMDS_EXT;
 137
 138                                 if (sd->Card.PortInfo[0].DACType == DAC_UNKNOWN)
 139                                     sd->Card.PortInfo[0].DACType = (portinfo & 0xf) - 1;
 140                                 continue;
 141                             }
 142                         }
 143                         id[crtc] = (portinfo>>8) & 0xf;
 144                         sd->Card.PortInfo[crtc].DACType = (portinfo & 0xf) - 1;
 145                         sd->Card.PortInfo[crtc].ConnectorType = (portinfo>>4) & 0xf;
 146                         if (i == 3)
 147                             sd->Card.PortInfo[crtc].TMDSType = TMDS_INT;
 148                         else if (i == 7)
 149                             sd->Card.PortInfo[crtc].TMDSType = TMDS_EXT;
 150
 151                         if((tmp0 = RADEON_BIOS16 (sd->Card.MasterDataStart + 24)) && id[crtc]) {
 152                             switch (RADEON_BIOS16 (tmp0 + 4 + 27 * id[crtc]) * 4)
 153                             {
 154                             case RADEON_GPIO_MONID:
 155                                 sd->Card.PortInfo[crtc].DDCType = DDC_MONID;
 156                                 break;
 157                             case RADEON_GPIO_DVI_DDC:
 158                                 sd->Card.PortInfo[crtc].DDCType = DDC_DVI;
 159                                 break;
 160                             case RADEON_GPIO_VGA_DDC:
 161                                 sd->Card.PortInfo[crtc].DDCType = DDC_VGA;
 162                                 break;
 163                             case RADEON_GPIO_CRT2_DDC:
 164                                 sd->Card.PortInfo[crtc].DDCType = DDC_CRT2;
 165                                 break;
 166                             default:
 167                                 sd->Card.PortInfo[crtc].DDCType = DDC_NONE;
 168                                 break;
 169                             }
 170
 171                         } else {
 172                             sd->Card.PortInfo[crtc].DDCType = DDC_NONE;
 173                         }
 174                         crtc++;
 175                     } else {
 176                         /* we have already had two CRTCs assigned. the rest may share the same
 177                          * port with the existing connector, fill in them accordingly.
 178                          */
 179                         for (j=0; j<2; j++) {
 180                             if (((portinfo>>8) & 0xf) == id[j]) {
 181                                 if (i == 3)
 182                                     sd->Card.PortInfo[j].TMDSType = TMDS_INT;
 183                                 else if (i == 7)
 184                                     sd->Card.PortInfo[j].TMDSType = TMDS_EXT;
 185
 186                                 if (sd->Card.PortInfo[j].DACType == DAC_UNKNOWN)
 187                                     sd->Card.PortInfo[j].DACType = (portinfo & 0xf) - 1;
 188                             }
 189                         }
 190                     }
 191                 }
 192             }
 193
 194             for (i=0; i<2; i++) {
 195                 D(bug("[ATI] Port%d: DDCType-%d, DACType-%d, TMDSType-%d, ConnectorType-%d\n",
 196                            i, sd->Card.PortInfo[i].DDCType, sd->Card.PortInfo[i].DACType,
 197                            sd->Card.PortInfo[i].TMDSType, sd->Card.PortInfo[i].ConnectorType));
 198             }
 199         } else {
 200             D(bug("[ATI] No Device Info Table found!\n"));
 201             return FALSE;
 202         }
 203     } else {
 204         /* Some laptops only have one connector (VGA) listed in the connector table,
 205          * we need to add LVDS in as a non-DDC display.
 206          * Note, we can't assume the listed VGA will be filled in PortInfo[0],
 207          * when walking through connector table. connector_found has following meaning:
 208          * 0 -- nothing found,
 209          * 1 -- only PortInfo[0] filled,
 210          * 2 -- only PortInfo[1] filled,
 211          * 3 -- both are filled.
 212          */
 213         int connector_found = 0;
 214
 215         if ((tmp = RADEON_BIOS16(sd->Card.ROMHeaderStart + 0x50))) {
 216             for (i = 1; i < 4; i++) {
 217
 218                 if (!RADEON_BIOS8(tmp + i*2) && i > 1) break; /* end of table */
 219
 220                 tmp0 = RADEON_BIOS16(tmp + i*2);
 221                 if (((tmp0 >> 12) & 0x0f) == 0) continue;     /* no connector */
 222                 if (connector_found > 0) {
 223                     if (sd->Card.PortInfo[tmp1].DDCType == ((tmp0 >> 8) & 0x0f))
 224                         continue;                             /* same connector */
 225                 }
 226
 227                 /* internal DDC_DVI port will get assigned to PortInfo[0], or if there is no DDC_DVI (like in some IGPs). */
 228                 tmp1 = ((((tmp0 >> 8) & 0xf) == DDC_DVI) || (tmp1 == 1)) ? 0 : 1; /* determine port info index */
 229
 230                 sd->Card.PortInfo[tmp1].DDCType        = (tmp0 >> 8) & 0x0f;
 231                 if (sd->Card.PortInfo[tmp1].DDCType > DDC_CRT2) sd->Card.PortInfo[tmp1].DDCType = DDC_NONE_DETECTED;
 232                 sd->Card.PortInfo[tmp1].DACType        = (tmp0 & 0x01) ? DAC_TVDAC : DAC_PRIMARY;
 233                 sd->Card.PortInfo[tmp1].ConnectorType  = (tmp0 >> 12) & 0x0f;
 234                 if (sd->Card.PortInfo[tmp1].ConnectorType > CONNECTOR_UNSUPPORTED) sd->Card.PortInfo[tmp1].ConnectorType = CONNECTOR_UNSUPPORTED;
 235                 sd->Card.PortInfo[tmp1].TMDSType       = ((tmp0 >> 4) & 0x01) ? TMDS_EXT : TMDS_INT;
 236
 237                 /* some sanity checks */
 238                 if (((sd->Card.PortInfo[tmp1].ConnectorType != CONNECTOR_DVI_D) &&
 239                      (sd->Card.PortInfo[tmp1].ConnectorType != CONNECTOR_DVI_I)) &&
 240                     sd->Card.PortInfo[tmp1].TMDSType == TMDS_INT)
 241                     sd->Card.PortInfo[tmp1].TMDSType = TMDS_UNKNOWN;
 242
 243                 connector_found += (tmp1 + 1);
 244             }
 245         } else {
 246             D(bug("[ATI] No Connector Info Table found!\n"));
 247             return FALSE;
 248         }
 249         if (sd->Card.IsMobility) {
 250             /* For the cases where only one VGA connector is found,
 251                we assume LVDS is not listed in the connector table,
 252                add it in here as the first port.
 253             */
 254             if ((connector_found < 3) && (sd->Card.PortInfo[tmp1].ConnectorType == CONNECTOR_CRT)) {
 255                 if (connector_found == 1) {
 256                     memcpy (&sd->Card.PortInfo[1], &sd->Card.PortInfo[0],
 257                             sizeof (sd->Card.PortInfo[0]));
 258                 }
 259                 sd->Card.PortInfo[0].DACType = DAC_TVDAC;
 260                 sd->Card.PortInfo[0].TMDSType = TMDS_UNKNOWN;
 261                 sd->Card.PortInfo[0].DDCType = DDC_NONE_DETECTED;
 262                 sd->Card.PortInfo[0].ConnectorType = CONNECTOR_PROPRIETARY;
 263
 264                 D(bug("[ATI] LVDS port is not in connector table, added in.\n"));
 265                 if (connector_found == 0) connector_found = 1;
 266                 else connector_found = 3;
 267             }
 268
 269             if ((tmp = RADEON_BIOS16(sd->Card.ROMHeaderStart + 0x42))) {
 270                 if ((tmp0 = RADEON_BIOS16(tmp + 0x15))) {
 271                     if ((tmp1 = RADEON_BIOS8(tmp0+2) & 0x07)) {
 272                         sd->Card.PortInfo[0].DDCType = tmp1;
 273                         D(bug("[ATI] LCD DDC Info Table found!\n"));
 274                     }
 275                 }
 276             }
 277         } else if (connector_found == 2) {
 278             memcpy (&sd->Card.PortInfo[0], &sd->Card.PortInfo[1],
 279                     sizeof (sd->Card.PortInfo[0]));
 280             sd->Card.PortInfo[1].DACType = DAC_UNKNOWN;
 281             sd->Card.PortInfo[1].TMDSType = TMDS_UNKNOWN;
 282             sd->Card.PortInfo[1].DDCType = DDC_NONE_DETECTED;
 283             sd->Card.PortInfo[1].ConnectorType = CONNECTOR_NONE;
 284             connector_found = 1;
 285         }
 286
 287         if (connector_found == 0) {
 288             D(bug("[ATI] No connector found in Connector Info Table.\n"));
 289         } else {
 290             D(bug("[ATI] Connector0: DDCType-%d, DACType-%d, TMDSType-%d, ConnectorType-%d\n",
 291                        sd->Card.PortInfo[0].DDCType, sd->Card.PortInfo[0].DACType,
 292                        sd->Card.PortInfo[0].TMDSType, sd->Card.PortInfo[0].ConnectorType));
 293         }
 294         if (connector_found == 3) {
 295             D(bug("[ATI] Connector1: DDCType-%d, DACType-%d, TMDSType-%d, ConnectorType-%d\n",
 296                        sd->Card.PortInfo[1].DDCType, sd->Card.PortInfo[1].DACType,
 297                        sd->Card.PortInfo[1].TMDSType, sd->Card.PortInfo[1].ConnectorType));
 298         }
 299     }
 300     return TRUE;
 301 }
 302
 303 /* Read PLL parameters from BIOS block.  Default to typical values if there
 304    is no BIOS. */
 305 BOOL RADEONGetClockInfoFromBIOS(struct ati_staticdata *sd)
 306 {
 307     RADEONPLLRec *pll = &sd->Card.pll;
 308     UWORD pll_info_block;
 309
 310     if (!sd->Card.VBIOS) {
 311         return FALSE;
 312     } else {
 313         if (sd->Card.IsAtomBios) {
 314             pll_info_block = RADEON_BIOS16 (sd->Card.MasterDataStart + 12);
 315
 316             pll->reference_freq = RADEON_BIOS16 (pll_info_block + 82);
 317             pll->reference_div = 0; /* Need to derive from existing setting
 318                                         or use a new algorithm to calculate
 319                                         from min_input and max_input
 320                                      */
 321             pll->min_pll_freq = RADEON_BIOS16 (pll_info_block + 78);
 322             pll->max_pll_freq = RADEON_BIOS32 (pll_info_block + 32);
 323             pll->xclk = RADEON_BIOS16 (pll_info_block + 72);
 324
 325             sd->Card.sclk = RADEON_BIOS32(pll_info_block + 8) / 100.0;
 326             sd->Card.mclk = RADEON_BIOS32(pll_info_block + 12) / 100.0;
 327             if (sd->Card.sclk == 0) sd->Card.sclk = 200;
 328             if (sd->Card.mclk == 0) sd->Card.mclk = 200;
 329
 330             D(bug("[ATI] ref_freq: %d, min_pll: %ld, max_pll: %ld, xclk: %d, sclk: %f, mclk: %f\n",
 331                        pll->reference_freq, pll->min_pll_freq, pll->max_pll_freq, pll->xclk, sd->Card.sclk, sd->Card.mclk));
 332
 333         } else {
 334             pll_info_block = RADEON_BIOS16 (sd->Card.ROMHeaderStart + 0x30);
 335
 336             pll->reference_freq = RADEON_BIOS16 (pll_info_block + 0x0e);
 337             pll->reference_div = RADEON_BIOS16 (pll_info_block + 0x10);
 338             pll->min_pll_freq = RADEON_BIOS32 (pll_info_block + 0x12);
 339             pll->max_pll_freq = RADEON_BIOS32 (pll_info_block + 0x16);
 340             pll->xclk = RADEON_BIOS16 (pll_info_block + 0x08);
 341
 342             sd->Card.sclk = RADEON_BIOS16(pll_info_block + 8) / 100.0;
 343             sd->Card.mclk = RADEON_BIOS16(pll_info_block + 10) / 100.0;
 344         }
 345     }
 346
 347     return TRUE;
 348 }