1/*****************************************************************************\
2 * Tseng Labs ET6000, ET6100 and ET6300 graphics driver for BeOS 5.
3 * Copyright (c) 2003-2004, Evgeniy Vladimirovich Bobkov.
4\*****************************************************************************/
5
6#include "GlobalData.h"
7#include "generic.h"
8#include <string.h>
9#include <sys/ioctl.h>
10
11
12/*****************************************************************************/
13#define T_POSITIVE_SYNC (B_POSITIVE_HSYNC | B_POSITIVE_VSYNC)
14#define MODE_FLAGS      (B_SCROLL | B_8_BIT_DAC | B_PARALLEL_ACCESS)
15#define MODE_COUNT (sizeof (modesList) / sizeof (display_mode))
16/*****************************************************************************/
17static const display_mode modesList[] = {
18{ { 25175, 640, 656, 752, 800, 480, 490, 492, 525, 0}, B_RGB24, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(640X480X8.Z1) */
19{ { 27500, 640, 672, 768, 864, 480, 488, 494, 530, 0}, B_RGB24, 640, 480, 0, 0, MODE_FLAGS}, /* 640X480X60Hz */
20{ { 30500, 640, 672, 768, 864, 480, 517, 523, 588, 0}, B_RGB24, 640, 480, 0, 0, MODE_FLAGS}, /* SVGA_640X480X60HzNI */
21{ { 31500, 640, 664, 704, 832, 480, 489, 492, 520, 0}, B_RGB24, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70-72Hz_(640X480X8.Z1) */
22{ { 31500, 640, 656, 720, 840, 480, 481, 484, 500, 0}, B_RGB24, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(640X480X8.Z1) */
23{ { 36000, 640, 696, 752, 832, 480, 481, 484, 509, 0}, B_RGB24, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(640X480X8.Z1) */
24{ { 38100, 800, 832, 960, 1088, 600, 602, 606, 620, 0}, B_RGB24, 800, 600, 0, 0, MODE_FLAGS}, /* SVGA_800X600X56HzNI */
25{ { 40000, 800, 840, 968, 1056, 600, 601, 605, 628, T_POSITIVE_SYNC}, B_RGB24, 800, 600, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(800X600X8.Z1) */
26{ { 49500, 800, 816, 896, 1056, 600, 601, 604, 625, T_POSITIVE_SYNC}, B_RGB24, 800, 600, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(800X600X8.Z1) */
27{ { 50000, 800, 856, 976, 1040, 600, 637, 643, 666, T_POSITIVE_SYNC}, B_RGB24, 800, 600, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70-72Hz_(800X600X8.Z1) */
28{ { 56250, 800, 832, 896, 1048, 600, 601, 604, 631, T_POSITIVE_SYNC}, B_RGB24, 800, 600, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(800X600X8.Z1) */
29{ { 65000, 1024, 1048, 1184, 1344, 768, 771, 777, 806, 0}, B_RGB24, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1024X768X8.Z1) */
30{ { 75000, 1024, 1048, 1184, 1328, 768, 771, 777, 806, 0}, B_RGB24, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70-72Hz_(1024X768X8.Z1) */
31{ { 78750, 1024, 1040, 1136, 1312, 768, 769, 772, 800, T_POSITIVE_SYNC}, B_RGB24, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1024X768X8.Z1) */
32{ { 94500, 1024, 1072, 1168, 1376, 768, 769, 772, 808, T_POSITIVE_SYNC}, B_RGB24, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(1024X768X8.Z1) */
33{ { 94200, 1152, 1184, 1280, 1472, 864, 865, 868, 914, T_POSITIVE_SYNC}, B_RGB24, 1152, 864, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70Hz_(1152X864X8.Z1) */
34{ { 108000, 1152, 1216, 1344, 1600, 864, 865, 868, 900, T_POSITIVE_SYNC}, B_RGB24, 1152, 864, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1152X864X8.Z1) */
35{ { 121500, 1152, 1216, 1344, 1568, 864, 865, 868, 911, T_POSITIVE_SYNC}, B_RGB24, 1152, 864, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(1152X864X8.Z1) */
36{ { 108000, 1280, 1328, 1440, 1688, 1024, 1025, 1028, 1066, T_POSITIVE_SYNC}, B_RGB24, 1280, 1024, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X1024X8.Z1) */
37{ { 135000, 1280, 1296, 1440, 1688, 1024, 1025, 1028, 1066, T_POSITIVE_SYNC}, B_RGB24, 1280, 1024, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1280X1024X8.Z1) */
38{ { 157500, 1280, 1344, 1504, 1728, 1024, 1025, 1028, 1072, T_POSITIVE_SYNC}, B_RGB24, 1280, 1024, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(1280X1024X8.Z1) */
39{ { 162000, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, T_POSITIVE_SYNC}, B_RGB24, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1600X1200X8.Z1) */
40{ { 175500, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, T_POSITIVE_SYNC}, B_RGB24, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@65Hz_(1600X1200X8.Z1) */
41{ { 189000, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, T_POSITIVE_SYNC}, B_RGB24, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70Hz_(1600X1200X8.Z1) */
42{ { 202500, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, T_POSITIVE_SYNC}, B_RGB24, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1600X1200X8.Z1) */
43{ { 216000, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, T_POSITIVE_SYNC}, B_RGB24, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@80Hz_(1600X1200X8.Z1) */
44{ { 229500, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, T_POSITIVE_SYNC}, B_RGB24, 1600, 1200, 0, 0, MODE_FLAGS}  /* Vesa_Monitor_@85Hz_(1600X1200X8.Z1) */
45};
46/*****************************************************************************/
47/*
48 * Validate a target display mode is both
49 *      a) a valid display mode for this device and
50 *      b) falls between the contraints imposed by "low" and "high"
51 *
52 * If the mode is not (or cannot) be made valid for this device, return B_ERROR.
53 * If a valid mode can be constructed, but it does not fall within the limits,
54 *  return B_BAD_VALUE.
55 * If the mode is both valid AND falls within the limits, return B_OK.
56 */
57status_t PROPOSE_DISPLAY_MODE(display_mode *target,
58                              const display_mode *low,
59                              const display_mode *high)
60{
61ET6000DisplayMode mode;
62
63    mode.magic = ET6000_PRIVATE_DATA_MAGIC;
64    mode.mode = *target;
65    mode.memSize = si->memSize;
66
67    return ioctl(fd, ET6000_PROPOSE_DISPLAY_MODE, &mode, sizeof(mode));
68}
69/*****************************************************************************/
70/*
71 * Return the number of modes this device will return from GET_MODE_LIST().
72 */
73uint32 ACCELERANT_MODE_COUNT(void) {
74        /* return the number of 'built-in' display modes */
75        return si->modesNum;
76}
77/*****************************************************************************/
78/*
79 * Copy the list of guaranteed supported video modes to the location provided.
80 */
81status_t GET_MODE_LIST(display_mode *dm) {
82    /* copy them to the buffer pointed at by *dm */
83    memcpy(dm, et6000ModesList, si->modesNum * sizeof(display_mode));
84    return B_OK;
85}
86/*****************************************************************************/
87/*
88 * Create a list of display_modes to pass back to the caller.
89 */
90status_t createModesList(void) {
91size_t maxSize;
92uint32 i, j, pixelClockRange;
93const display_mode *src;
94display_mode *dst, low, high;
95color_space spaces[] = {B_RGB15_LITTLE, B_RGB16_LITTLE, B_RGB24_LITTLE};
96
97
98    /* figure out how big the list could be, and adjust up to nearest multiple of B_PAGE_SIZE */
99    maxSize = (((MODE_COUNT * 3) * sizeof(display_mode)) + (B_PAGE_SIZE-1)) & ~(B_PAGE_SIZE-1);
100
101    /* Create an area to hold the info */
102    si->modesArea = et6000ModesListArea =
103        create_area("ET6000 accelerant mode info", (void **)&et6000ModesList,
104            B_ANY_ADDRESS, maxSize, B_NO_LOCK, B_READ_AREA | B_WRITE_AREA);
105
106    if (et6000ModesListArea < B_OK)
107        return et6000ModesListArea;
108
109    /* walk through our predefined list and see which modes fit this device */
110    src = modesList;
111    dst = et6000ModesList;
112    si->modesNum = 0;
113    for (i = 0; i < MODE_COUNT; i++) {
114        /* set ranges for acceptable values */
115        low = high = *src;
116        /* range is 6.25% of default clock: arbitrarily picked */
117        pixelClockRange = low.timing.pixel_clock >> 5;
118        low.timing.pixel_clock -= pixelClockRange;
119        high.timing.pixel_clock += pixelClockRange;
120        /* some cards need wider virtual widths for certain modes */
121        high.virtual_width = 2048;
122        /* do it once for each depth we want to support */
123        for (j = 0; j < (sizeof(spaces) / sizeof(color_space)); j++) {
124            /* set target values */
125            *dst = *src;
126            /* poke the specific space */
127            dst->space = low.space = high.space = spaces[j];
128            /* ask for a compatible mode */
129            if (PROPOSE_DISPLAY_MODE(dst, &low, &high) != B_ERROR) {
130                /* count it, and move on to next mode */
131                dst++;
132                si->modesNum++;
133            }
134        }
135        /* advance to next mode */
136        src++;
137    }
138
139    return B_OK;
140}
141/*****************************************************************************/
142