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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | pj | 1 | #include <ll/i386/hw-data.h> |
| 2 | #include <ll/i386/mem.h> |
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| 3 | #include <ll/i386/cons.h> |
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| 4 | #include <ll/sys/ll/ll-func.h> |
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| 5 | |||
| 6 | #include <drivers/llpci.h> |
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| 7 | #include <drivers/pci.h> |
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| 8 | |||
| 9 | #include <drivers/gd.h> |
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| 10 | |||
| 11 | #include "drivers/s3.h" |
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| 12 | #include "drivers/trident.h" |
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| 13 | #include "drivers/vesa.h" |
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| 14 | #include "drivers/chips.h" |
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| 15 | |||
| 16 | BYTE bus, dev; |
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| 17 | ModeInfoBlock vbemi; |
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| 18 | BYTE actbank; |
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| 19 | BYTE type; |
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| 20 | |||
| 21 | DWORD flb=0; |
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| 22 | int linear; |
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| 23 | BYTE trylinear; |
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| 24 | /*BYTE gmode = FALSE;*/ |
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| 25 | |||
| 26 | #define NMODES 13 |
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| 27 | static struct gmode allmodes[NMODES] = { |
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| 28 | {640, 400, 640, 8, 0x100}, |
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| 29 | {640, 480, 640, 8, 0x101}, |
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| 30 | {800, 600, 800, 8, 0x103}, |
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| 31 | {1024, 768, 1024, 8, 0x105}, |
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| 32 | {640, 480, 1280, 15, 0x110}, |
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| 33 | {800, 600, 1600, 15, 0x113}, |
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| 34 | {1024, 768, 2048, 15, 0x116}, |
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| 35 | {640, 480, 1280, 16, 0x111}, |
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| 36 | {800, 600, 1600, 16, 0x114}, |
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| 37 | {1024, 768, 2048, 16, 0x117}, |
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| 38 | {640, 480, 1920, 24, 0x112}, |
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| 39 | {800, 600, 2400, 24, 0x115}, |
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| 40 | {1024, 768, 3072, 24, 0x118} |
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| 41 | }; |
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| 42 | static struct gmode actualmode; |
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| 43 | |||
| 44 | |||
| 45 | static int myceil(float f) |
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| 46 | { |
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| 47 | int i = (int) f; |
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| 48 | float f1 = f - i; |
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| 49 | |||
| 50 | if (f1 != 0) { |
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| 51 | return i + 1; |
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| 52 | } else { |
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| 53 | return i; |
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| 54 | } |
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| 55 | } |
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| 56 | |||
| 57 | /************************************************************************/ |
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| 58 | /* GD Common Interface */ |
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| 59 | /************************************************************************/ |
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| 60 | int gd_init(WORD flags) |
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| 61 | { |
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| 62 | struct pci_regs *r; |
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| 63 | int dummy; |
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| 64 | |||
| 65 | memset(&actualmode, 0, sizeof(struct gmode)); |
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| 66 | type = UNKNOWN; |
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| 67 | |||
| 68 | if (pci_init() == 1) { |
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| 69 | if ((r = pci_class((0x0300) << 8, 0, &bus, &dev)) != NULL) { |
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| 70 | cprintf("PCI video card found!!!\n"); |
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| 71 | cprintf("Vendor: %x\n", r->VendorId); |
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| 72 | cprintf("Card: %x\n", r->DeviceId); |
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| 73 | /* flb = r->IoBaseAddress & 0xFF800000; */ |
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| 74 | |||
| 75 | dummy = pcibios_read_config_dword(bus, dev, 16, &flb); |
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| 76 | flb = flb & 0xFF800000; |
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| 77 | /* Err... Have to set type!!! */ |
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| 78 | |||
| 79 | cprintf("FLB @ %lx\n", flb); |
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| 80 | if (flb < 32 * 1024 * 1024) { |
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| 81 | /*flb = 32 * 0x1000000;*/ |
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| 82 | /*flb = 0xF3000000;*/ |
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| 83 | flb = 0x02000000; |
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| 84 | cprintf("Wrong FLB!!! Forced to %lx\n", flb); |
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| 85 | pcibios_write_config_dword(bus, dev, 16, flb); |
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| 86 | } |
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| 87 | } |
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| 88 | } |
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| 89 | |||
| 90 | /* VESA driver needs the V86 Mode... */ |
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| 91 | vm86_init(); |
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| 92 | |||
| 93 | /* First, check VESA... */ |
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| 94 | if (vbe_getinfo() == 1) { |
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| 95 | type = VESA; |
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| 96 | |||
| 97 | if (flags & NOLINEAR) { |
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| 98 | trylinear = 0; |
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| 99 | } else { |
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| 100 | trylinear = 1; |
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| 101 | } |
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| 102 | } |
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| 103 | |||
| 104 | /* Then, the other graph cards... Override VESA!!! */ |
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| 105 | if (trident_test() == 1) { |
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| 106 | type = TRIDENT; |
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| 107 | trylinear = 0; |
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| 108 | } |
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| 109 | |||
| 110 | if (s3_test() == 1) { |
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| 111 | type = S3; |
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| 112 | if (flags & NOLINEAR) { |
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| 113 | trylinear = 0; |
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| 114 | } else { |
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| 115 | trylinear = 1; |
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| 116 | } |
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| 117 | return 1; |
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| 118 | } |
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| 119 | |||
| 120 | if (type == UNKNOWN) { |
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| 121 | return -1; |
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| 122 | } |
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| 123 | if (type == VESA) { |
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| 124 | return vbe_check_id(); |
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| 125 | } |
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| 126 | return -2; |
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| 127 | } |
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| 128 | |||
| 129 | void gd_showmodeinfo(void) |
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| 130 | { |
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| 131 | cprintf("Mode number %x\n", actualmode.modenum); |
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| 132 | cprintf("MaxX: %u\n", actualmode.xdim); |
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| 133 | cprintf("MaxY: %u\n", actualmode.ydim); |
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| 134 | cprintf("BPR: %u\n", actualmode.bpr); |
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| 135 | } |
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| 136 | |||
| 137 | void gd_showinfo(void) |
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| 138 | { |
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| 139 | DWORD addr; |
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| 140 | |||
| 141 | addr = gd_getflb(); |
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| 142 | |||
| 143 | if (addr != 0) { |
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| 144 | cprintf ("\t gd: Frame Linear Buffer @ %lx (%luM)\n", |
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| 145 | addr, (addr / 0x1000000)); |
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| 146 | } |
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| 147 | |||
| 148 | if (type == VESA) { |
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| 149 | cprintf("Vesa SVGA card\n"); |
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| 150 | vbe_showinfo(); |
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| 151 | } |
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| 152 | if (type == TRIDENT) { |
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| 153 | cprintf("Trident graphic card\n"); |
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| 154 | trident_showinfo(); |
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| 155 | } |
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| 156 | |||
| 157 | if (type == S3) { |
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| 158 | cprintf("S3 graphic card\n"); |
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| 159 | s3_showinfo(); |
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| 160 | } |
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| 161 | } |
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| 162 | |||
| 163 | int gd_setmode(WORD mode) |
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| 164 | { |
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| 165 | WORD app; |
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| 166 | int i; |
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| 167 | #ifndef VM86 |
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| 168 | BYTE p1, p2; |
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| 169 | #endif |
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| 170 | |||
| 171 | if (mode == 0) { |
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| 172 | X_REGS16 inregs, outregs; |
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| 173 | X_SREGS16 sregs; |
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| 174 | |||
| 175 | if (actualmode.modenum != 0) { |
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| 176 | inregs.x.ax = 0x03; |
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| 177 | #ifndef VM86 |
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| 178 | p1 = inp(0x21); |
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| 179 | p2 = inp(0xA1); |
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| 180 | outp(0x21,0xFF); |
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| 181 | outp(0xA1,0xFF); |
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| 182 | X_callBIOS(0x10, &inregs, &outregs, &sregs); |
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| 183 | outp(0x21,p1); |
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| 184 | outp(0xA1,p2); |
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| 185 | #else |
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| 186 | vm86_callBIOS(0x10, &inregs, &outregs, &sregs); |
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| 187 | #endif |
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| 188 | } |
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| 189 | return 1; |
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| 190 | } |
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| 191 | |||
| 192 | for (i = 0; i < NMODES; i++) { |
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| 193 | if ((mode == allmodes[i].modenum)) { |
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| 194 | memcpy(&actualmode, &(allmodes[i]), sizeof(struct gmode)); |
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| 195 | } |
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| 196 | } |
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| 197 | |||
| 198 | if (type == VESA) { |
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| 199 | if (vbe_getmodeinfo(&vbemi, mode) < 0) { |
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| 200 | return -1; |
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| 201 | } |
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| 202 | |||
| 203 | app = mode; |
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| 204 | if (trylinear) { |
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| 205 | /* try linear... */ |
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| 206 | cprintf("Mode: %x\n", mode); |
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| 207 | mode = mode | 0x4000; |
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| 208 | cprintf("Lin_Mode: %x\n", mode); |
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| 209 | linear = TRUE; |
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| 210 | if (vbe_setmode(mode) == 1) { |
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| 211 | return linear; |
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| 212 | } |
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| 213 | } |
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| 214 | actbank = 0; |
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| 215 | Load_Write_Bank_256(0); |
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| 216 | linear = FALSE; |
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| 217 | mode = app; |
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| 218 | if (vbe_setmode(mode) < 0) { |
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| 219 | return -1; |
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| 220 | } |
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| 221 | return linear; |
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| 222 | } |
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| 223 | |||
| 224 | if (type == S3) { |
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| 225 | /* Still use VESA to open graph... */ |
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| 226 | if (vbe_getmodeinfo(&vbemi, mode) < 0) { |
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| 227 | return -1; |
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| 228 | } |
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| 229 | if (vbe_setmode(mode) < 0) { |
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| 230 | return -1; |
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| 231 | } |
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| 232 | if ((flb != 0) && trylinear) { |
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| 233 | linear = TRUE; |
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| 234 | s3_linear(flb); |
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| 235 | pcibios_write_config_dword(bus, dev, 16, flb); |
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| 236 | return TRUE; |
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| 237 | } |
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| 238 | linear = FALSE; |
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| 239 | actbank = 0; |
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| 240 | Load_Write_Bank_256(0); |
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| 241 | return FALSE; |
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| 242 | } |
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| 243 | |||
| 244 | if (type == TRIDENT) { |
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| 245 | /* Still use VESA to open graph... */ |
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| 246 | if (vbe_getmodeinfo(&vbemi, mode) < 0) { |
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| 247 | return -1; |
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| 248 | } |
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| 249 | if (vbe_setmode(mode) < 0) { |
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| 250 | return -1; |
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| 251 | } |
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| 252 | |||
| 253 | actbank = 0; |
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| 254 | Load_Write_Bank_256(0); |
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| 255 | return FALSE; |
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| 256 | } |
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| 257 | |||
| 258 | return -2; |
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| 259 | } |
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| 260 | |||
| 261 | DWORD gd_getflb(void) |
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| 262 | { |
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| 263 | if (type == VESA) { |
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| 264 | return vbe_getflb(); |
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| 265 | } |
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| 266 | if (type == S3) { |
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| 267 | return flb; |
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| 268 | } |
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| 269 | return 0; |
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| 270 | } |
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| 271 | |||
| 272 | DWORD gd_getmem(void) |
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| 273 | { |
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| 274 | if (type == VESA) { |
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| 275 | return vbe_getmem(); |
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| 276 | } |
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| 277 | if (type == S3) { |
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| 278 | return s3_getmem(); |
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| 279 | } |
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| 280 | if (type == TRIDENT) { |
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| 281 | return trident_getmem(); |
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| 282 | } |
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| 283 | |||
| 284 | return 0; |
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| 285 | } |
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| 286 | |||
| 287 | WORD gd_getbpr(void) |
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| 288 | { |
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| 289 | if (actualmode.bpr) return actualmode.bpr; |
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| 290 | return -2; |
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| 291 | } |
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| 292 | |||
| 293 | int gd_getmodeinfo(vga_modeinfo *m) |
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| 294 | { |
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| 295 | if (actualmode.modenum == 0) { |
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| 296 | return -1; |
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| 297 | } |
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| 298 | |||
| 299 | m->width = actualmode.xdim; |
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| 300 | m->height = actualmode.ydim; |
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| 301 | m->bytesperpixel = (myceil((float)actualmode.bpp / 8)); |
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| 302 | /* m->colors = myexp(2, actualmode.bpp); */ |
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| 303 | m->colors = 1 << actualmode.bpp; |
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| 304 | m->linewidth = gd_getbpr(); |
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| 305 | m->maxlogicalwidth = gd_getbpr(); /* 4 the moment... */ |
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| 306 | m->startaddressrange = 0; /* don't know :( */ |
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| 307 | m->maxpixels = gd_getmem() / m->bytesperpixel; |
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| 308 | m->haveblit = 0; |
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| 309 | m->flags = 0; |
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| 310 | |||
| 311 | /* Extended fields: */ |
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| 312 | m->chiptype = type; /* Chiptype detected */ |
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| 313 | m->memory = gd_getmem(); |
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| 314 | m->linewidth_unit = 0; /* don't know :( */ |
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| 315 | if (linear) { |
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| 316 | m->linear_aperture = (LIN_ADDR)gd_getflb(); |
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| 317 | m->aperture_size = gd_getmem(); |
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| 318 | } else { |
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| 319 | m->linear_aperture = 0; |
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| 320 | m->aperture_size = 0xFFFF; |
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| 321 | } |
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| 322 | m->set_aperture_page = NULL; |
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| 323 | m->extensions = NULL; |
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| 324 | return 1; |
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| 325 | } |
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| 326 | |||
| 327 | void Load_Write_Bank_256(BYTE bank) |
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| 328 | { |
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| 329 | if (bank != actbank) { |
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| 330 | actbank = bank; |
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| 331 | if (type == VESA) { |
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| 332 | if (vbe_setbank(&vbemi, bank) < 0) |
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| 333 | ll_abort(259); |
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| 334 | } |
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| 335 | if (type == S3) { |
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| 336 | s3_setpage(bank); |
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| 337 | } |
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| 338 | if (type == TRIDENT) { |
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| 339 | trident_setpage(bank); |
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| 340 | } |
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| 341 | } |
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| 342 | } |
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| 343 | |||
| 344 | /************************************************************************/ |
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| 345 | /* BANK HANDLING FUNCS */ |
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| 346 | /************************************************************************/ |
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| 347 | |||
| 348 | LIN_ADDR start_address(WORD bpr, WORD x, WORD y) |
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| 349 | { |
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| 350 | LIN_ADDR a; |
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| 351 | |||
| 352 | a = (LIN_ADDR)(y * bpr +x); |
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| 353 | return a; |
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| 354 | } |
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| 355 | |||
| 356 | void Seg_Off_256(WORD x, WORD y, WORD pitch, WORD *offs, WORD *seg) |
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| 357 | { |
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| 358 | DWORD a; |
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| 359 | |||
| 360 | a = y * pitch + x; |
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| 361 | *offs = a & 0x0000FFFF; |
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| 362 | *seg = a >> 16; |
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| 363 | } |
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| 364 | |||
| 365 | void Seg_Off_Hi(WORD x, WORD y, WORD pitch, WORD *offs, WORD *seg) |
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| 366 | { |
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| 367 | DWORD a; |
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| 368 | |||
| 369 | a = y * pitch + x * 2; |
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| 370 | *offs = a & 0x0000FFFF; |
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| 371 | *seg = a >> 16; |
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| 372 | } |
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| 373 | |||
| 374 | int gd_modenum(WORD x, WORD y, BYTE depth) |
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| 375 | { |
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| 376 | int mode, i; |
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| 377 | |||
| 378 | mode = -1; |
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| 379 | |||
| 380 | for (i = 0; i < NMODES; i++) { |
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| 381 | if ((depth == allmodes[i].bpp) && (x == allmodes[i].xdim) && (y == allmodes[i].ydim)) { |
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| 382 | mode = allmodes[i].modenum; |
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| 383 | } else { |
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| 384 | } |
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| 385 | } |
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| 386 | |||
| 387 | if ((mode != -1) && (vbe_checkmode(mode) != -1)) |
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| 388 | return mode; |
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| 389 | return -1; |
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| 390 | } |