added via accelerant, a copy of skeleton driver yet.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@13590 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen
@@ -0,0 +1,597 @@
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/*
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Copyright 1999, Be Incorporated. All Rights Reserved.
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This file may be used under the terms of the Be Sample Code License.
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Other authors for NV driver:
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Mark Watson,
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Rudolf Cornelissen 9/2002-10/2004
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*/
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#define MODULE_BIT 0x00400000
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#include "acc_std.h"
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#define T_POSITIVE_SYNC (B_POSITIVE_HSYNC | B_POSITIVE_VSYNC)
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/* mode flags will be setup as status info by PROPOSEMODE! */
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#define MODE_FLAGS 0
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#define MODE_COUNT (sizeof (mode_list) / sizeof (display_mode))
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/*some monitors only handle a fixed set of modes*/
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#include "valid_mode_list"
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/* Standard VESA modes,
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* plus panel specific resolution modes which are internally modified during run-time depending on the requirements of the actual
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* panel connected. The modes as listed here, should timing-wise be as compatible with analog (CRT) monitors as can be... */
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static const display_mode mode_list[] = {
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/* 4:3 modes; 307.2k pixels */
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{ { 25175, 640, 656, 752, 800, 480, 490, 492, 525, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(640X480X8.Z1) */
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{ { 27500, 640, 672, 768, 864, 480, 488, 494, 530, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* 640X480X60Hz */
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{ { 30500, 640, 672, 768, 864, 480, 517, 523, 588, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* SVGA_640X480X60HzNI */
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{ { 31500, 640, 664, 704, 832, 480, 489, 492, 520, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70-72Hz_(640X480X8.Z1) */
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{ { 31500, 640, 656, 720, 840, 480, 481, 484, 500, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(640X480X8.Z1) */
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{ { 36000, 640, 696, 752, 832, 480, 481, 484, 509, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(640X480X8.Z1) */
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/* 4:3 modes; 480k pixels */
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{ { 36000, 800, 824, 896, 1024, 600, 601, 603, 625, 0}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@56Hz_(800X600) from Be, Inc. driver + XFree86 */
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{ { 38100, 800, 832, 960, 1088, 600, 602, 606, 620, 0}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* SVGA_800X600X56HzNI */
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{ { 40000, 800, 840, 968, 1056, 600, 601, 605, 628, T_POSITIVE_SYNC}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(800X600X8.Z1) + XFree86 */
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{ { 49500, 800, 816, 896, 1056, 600, 601, 604, 625, T_POSITIVE_SYNC}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(800X600X8.Z1) + XFree86 */
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{ { 50000, 800, 856, 976, 1040, 600, 637, 643, 666, T_POSITIVE_SYNC}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70-72Hz_(800X600X8.Z1) + XFree86 */
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{ { 56250, 800, 832, 896, 1048, 600, 601, 604, 631, T_POSITIVE_SYNC}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(800X600X8.Z1) + XFree86 */
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/* 4:3 modes; 786.432k pixels */
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{ { 65000, 1024, 1048, 1184, 1344, 768, 771, 777, 806, 0}, B_CMAP8, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1024X768X8.Z1) + XFree86 */
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{ { 75000, 1024, 1048, 1184, 1328, 768, 771, 777, 806, 0}, B_CMAP8, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70-72Hz_(1024X768X8.Z1) + XFree86 */
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{ { 78750, 1024, 1040, 1136, 1312, 768, 769, 772, 800, T_POSITIVE_SYNC}, B_CMAP8, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1024X768X8.Z1) + XFree86 */
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{ { 94500, 1024, 1072, 1168, 1376, 768, 769, 772, 808, T_POSITIVE_SYNC}, B_CMAP8, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(1024X768X8.Z1) + XFree86 */
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/* 4:3 modes; 995.328k pixels */
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{ { 94200, 1152, 1184, 1280, 1472, 864, 865, 868, 914, T_POSITIVE_SYNC}, B_CMAP8, 1152, 864, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70Hz_(1152X864X8.Z1) */
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{ { 97800, 1152, 1216, 1344, 1552, 864, 865, 868, 900, T_POSITIVE_SYNC}, B_CMAP8, 1152, 864, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70Hz_(1152X864X8.Z1) */
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{ { 108000, 1152, 1216, 1344, 1600, 864, 865, 868, 900, T_POSITIVE_SYNC}, B_CMAP8, 1152, 864, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1152X864X8.Z1) + XFree86 */
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{ { 121500, 1152, 1216, 1344, 1568, 864, 865, 868, 911, T_POSITIVE_SYNC}, B_CMAP8, 1152, 864, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(1152X864X8.Z1) */
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/* 5:4 modes; 1.311M pixels */
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{ { 108000, 1280, 1328, 1440, 1688, 1024, 1025, 1028, 1066, T_POSITIVE_SYNC}, B_CMAP8, 1280, 1024, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X1024) from Be, Inc. driver + XFree86 */
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{ { 135000, 1280, 1296, 1440, 1688, 1024, 1025, 1028, 1066, T_POSITIVE_SYNC}, B_CMAP8, 1280, 1024, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1280X1024X8.Z1) + XFree86 */
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{ { 157500, 1280, 1344, 1504, 1728, 1024, 1025, 1028, 1072, T_POSITIVE_SYNC}, B_CMAP8, 1280, 1024, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(1280X1024X8.Z1) + XFree86 */
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/* 4:3 panel mode; 1.47M pixels */
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{ { 122600, 1400, 1488, 1640, 1880, 1050, 1051, 1054, 1087, T_POSITIVE_SYNC}, B_CMAP8, 1400, 1050, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1400X1050) */
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/* 4:3 modes; 1.92M pixels */
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{ { 162000, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, T_POSITIVE_SYNC}, B_CMAP8, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1600X1200X8.Z1) + XFree86 */
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/* identical lines to above one, apart from refreshrate.. */
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{ { 175500, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, T_POSITIVE_SYNC}, B_CMAP8, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@65Hz_(1600X1200X8.Z1) + XFree86 */
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{ { 189000, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, T_POSITIVE_SYNC}, B_CMAP8, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70Hz_(1600X1200X8.Z1) + XFree86 */
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{ { 202500, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, T_POSITIVE_SYNC}, B_CMAP8, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1600X1200X8.Z1) + XFree86 */
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{ { 216000, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, T_POSITIVE_SYNC}, B_CMAP8, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@80Hz_(1600X1200X8.Z1) */
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{ { 229500, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, T_POSITIVE_SYNC}, B_CMAP8, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(1600X1200X8.Z1) + XFree86 */
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/* end identical lines. */
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/* 4:3 modes; 2.408M pixels */
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{ { 204750, 1792, 1920, 2120, 2448, 1344, 1345, 1348, 1394, B_POSITIVE_VSYNC}, B_CMAP8, 1792, 1344, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1792X1344) from Be, Inc. driver + XFree86 */
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{ { 261000, 1792, 1888, 2104, 2456, 1344, 1345, 1348, 1417, B_POSITIVE_VSYNC}, B_CMAP8, 1792, 1344, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1792X1344) from Be, Inc. driver + XFree86 */
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/* 4:3 modes; 2.584M pixels */
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{ { 218250, 1856, 1952, 2176, 2528, 1392, 1393, 1396, 1439, B_POSITIVE_VSYNC}, B_CMAP8, 1856, 1392, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1856X1392) from Be, Inc. driver + XFree86 */
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{ { 288000, 1856, 1984, 2208, 2560, 1392, 1393, 1396, 1500, B_POSITIVE_VSYNC}, B_CMAP8, 1856, 1392, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1856X1392) from Be, Inc. driver + XFree86 */
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/* 4:3 modes; 2.765M pixels */
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{ { 234000, 1920, 2048, 2256, 2600, 1440, 1441, 1444, 1500, B_POSITIVE_VSYNC}, B_CMAP8, 1920, 1440, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1920X1440) from Be, Inc. driver + XFree86 */
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{ { 297000, 1920, 2064, 2288, 2640, 1440, 1441, 1444, 1500, B_POSITIVE_VSYNC}, B_CMAP8, 1920, 1440, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1920X1440) from Be, Inc. driver + XFree86 */
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/* 4:3 modes; 3.146M pixels */
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{ { 266950, 2048, 2200, 2424, 2800, 1536, 1537, 1540, 1589, B_POSITIVE_VSYNC}, B_CMAP8, 2048, 1536, 0, 0, MODE_FLAGS}, /* From XFree86 posting @60Hz + XFree86 */
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/* 16:10 panel mode; 400k pixels */
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{ { 31300, 800, 848, 928, 1008, 500, 501, 504, 518, T_POSITIVE_SYNC}, B_CMAP8, 800, 500, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(800X500) */
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/* 16:10 panel mode; 655.36k pixels */
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{ { 52800, 1024, 1072, 1176, 1328, 640, 641, 644, 663, T_POSITIVE_SYNC}, B_CMAP8, 1024, 640, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1024X640) */
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/* 16:10 panel-TV mode; 983.04k pixels */
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{ { 80135, 1280, 1344, 1480, 1680, 768, 769, 772, 795, T_POSITIVE_SYNC}, B_CMAP8, 1280, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X768) */
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/* 16:10 panel mode; 1.024M pixels */
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{ { 83500, 1280, 1344, 1480, 1680, 800, 801, 804, 828, T_POSITIVE_SYNC}, B_CMAP8, 1280, 800, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X800) */
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/* 16:10 panel mode; 1.296M pixels */
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{ { 106500, 1440, 1520, 1672, 1904, 900, 901, 904, 932, T_POSITIVE_SYNC}, B_CMAP8, 1440, 900, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1440X900) */
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/* 16:10 panel mode; 1.764M pixels */
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{ { 147100, 1680, 1784, 1968, 2256, 1050, 1051, 1054, 1087, T_POSITIVE_SYNC}, B_CMAP8, 1680, 1050, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1680X1050) */
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/* 16:10 panel mode; 2.304M pixels */
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{ { 193200, 1920, 2048, 2256, 2592, 1200, 1201, 1204, 1242, T_POSITIVE_SYNC}, B_CMAP8, 1920, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1920X1200) */
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};
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/*
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Check mode is between low and high limits
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returns:
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B_OK - found one
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B_BAD_VALUE - mode can be made, but outside limits
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B_ERROR - not possible
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*/
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/* BOUNDS WARNING:
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* BeOS (tested R5.0.3PE) is failing BWindowScreen.SetFrameBuffer() if PROPOSEMODE
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* returns B_BAD_VALUE. It's called by the OS with target, low and high set to
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* have the same settings for BWindowScreen!
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* Which means we should not return B_BAD_VALUE on anything except for deviations on:
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* display_mode.virtual_width;
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* display_mode.virtual_height;
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* display_mode.timing.h_display;
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* display_mode.timing.v_display;
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*/
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/* Note:
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* The target mode should be modified to correspond to the mode as it can be made. */
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status_t PROPOSE_DISPLAY_MODE(display_mode *target, const display_mode *low, const display_mode *high)
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{
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status_t status = B_OK;
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float pix_clock_found, target_aspect;
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uint8 m,n,p, bpp;
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status_t result;
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uint32 max_vclk, row_bytes, pointer_reservation;
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bool acc_mode;
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double target_refresh = ((double)target->timing.pixel_clock * 1000.0) /
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(
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(double)target->timing.h_total *
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(double)target->timing.v_total
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);
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bool
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want_same_width = target->timing.h_display == target->virtual_width,
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want_same_height = target->timing.v_display == target->virtual_height;
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LOG(1, ("PROPOSEMODE: (ENTER) requested virtual_width %d, virtual_height %d\n",
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target->virtual_width, target->virtual_height));
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/*check valid list:
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if (VALID_REQUIRED is set)
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{
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if (find modes with same size)
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{
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pick one with nearest pixel clock
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}
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else
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{
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pick next largest with nearest pixel clock and modify visible portion as far as possible
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}
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}
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*/
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#ifdef VALID_MODE_REQUIRED
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{
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int i;
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int closest_mode_ptr;
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uint32 closest_mode_clock;
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LOG(1, ("PROPOSEMODE: valid mode required!\n"));
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closest_mode_ptr = 0xbad;
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closest_mode_clock = 0;
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for (i=0;i<VALID_MODES;i++)
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{
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/*check size is ok and clock is better than any found before*/
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if(
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target->timing.h_display==valid_mode_list[i].h_display &&
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target->timing.v_display==valid_mode_list[i].v_display
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)
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{
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if (
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abs(valid_mode_list[i].pixel_clock-target->timing.pixel_clock)<
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abs(closest_mode_clock-target->timing.pixel_clock)
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)
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{
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closest_mode_clock=valid_mode_list[i].pixel_clock;
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closest_mode_ptr=i;
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}
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}
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}
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if (closest_mode_ptr==0xbad)/*if no modes of correct size*/
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{
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LOG(4, ("PROPOSEMODE: no valid mode found, aborted.\n"));
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return B_ERROR;
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}
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else
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{
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target->timing=valid_mode_list[closest_mode_ptr];
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target_refresh = ((double)target->timing.pixel_clock * 1000.0) / /*I require this refresh*/
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((double)target->timing.h_total * (double)target->timing.v_total);
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}
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}
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#endif
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/*find a nearby valid timing from that given*/
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result = head1_validate_timing
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(
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&target->timing.h_display, &target->timing.h_sync_start, &target->timing.h_sync_end, &target->timing.h_total,
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&target->timing.v_display, &target->timing.v_sync_start, &target->timing.v_sync_end, &target->timing.v_total
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);
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if (result == B_ERROR)
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{
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LOG(4, ("PROPOSEMODE: could not validate timing, aborted.\n"));
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return result;
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}
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/* check if all connected output devices can display the requested mode's aspect: */
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/* calculate display mode aspect */
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target_aspect = (target->timing.h_display / ((float)target->timing.v_display));
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/* NOTE:
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* allow 0.10 difference so 5:4 aspect panels will be able to use 4:3 aspect modes! */
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switch (si->ps.monitors)
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{
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case 0x01: /* digital panel on head 1, nothing on head 2 */
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if (si->ps.panel1_aspect < (target_aspect - 0.10))
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{
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LOG(4, ("PROPOSEMODE: connected panel1 is not widescreen type, aborted.\n"));
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return B_ERROR;
|
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}
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break;
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case 0x10: /* nothing on head 1, digital panel on head 2 */
|
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if (si->ps.panel2_aspect < (target_aspect - 0.10))
|
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{
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LOG(4, ("PROPOSEMODE: connected panel2 is not widescreen type, aborted.\n"));
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return B_ERROR;
|
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}
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break;
|
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case 0x11: /* digital panels on both heads */
|
||||
if ((si->ps.panel1_aspect < (target_aspect - 0.10)) ||
|
||||
(si->ps.panel2_aspect < (target_aspect - 0.10)))
|
||||
{
|
||||
LOG(4, ("PROPOSEMODE: not all connected panels are widescreen type, aborted.\n"));
|
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return B_ERROR;
|
||||
}
|
||||
break;
|
||||
default: /* at least one analog monitor is connected, or nothing detected at all */
|
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if (target_aspect > 1.34)
|
||||
{
|
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LOG(4, ("PROPOSEMODE: not all output devices can display widescreen modes, aborted.\n"));
|
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return B_ERROR;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
/* only export widescreen panel-TV modes when an exact resolution match exists,
|
||||
* to prevent the modelist from becoming too crowded */
|
||||
if (target_aspect > 1.61)
|
||||
{
|
||||
status_t panel_TV_stat = B_ERROR;
|
||||
|
||||
if (si->ps.tmds1_active)
|
||||
{
|
||||
if ((target->timing.h_display == si->ps.p1_timing.h_display) &&
|
||||
(target->timing.v_display == si->ps.p1_timing.v_display))
|
||||
{
|
||||
panel_TV_stat = B_OK;
|
||||
}
|
||||
}
|
||||
if (si->ps.tmds2_active)
|
||||
{
|
||||
if ((target->timing.h_display == si->ps.p2_timing.h_display) &&
|
||||
(target->timing.v_display == si->ps.p2_timing.v_display))
|
||||
{
|
||||
panel_TV_stat = B_OK;
|
||||
}
|
||||
}
|
||||
if (panel_TV_stat != B_OK)
|
||||
{
|
||||
LOG(4, ("PROPOSEMODE: WS panel_TV mode requested but no such TV here, aborted.\n"));
|
||||
return B_ERROR;
|
||||
}
|
||||
}
|
||||
|
||||
/* check if panel(s) can display the requested resolution (if connected) */
|
||||
if (si->ps.tmds1_active)
|
||||
{
|
||||
if ((target->timing.h_display > si->ps.p1_timing.h_display) ||
|
||||
(target->timing.v_display > si->ps.p1_timing.v_display))
|
||||
{
|
||||
LOG(4, ("PROPOSEMODE: panel1 can't display requested resolution, aborted.\n"));
|
||||
return B_ERROR;
|
||||
}
|
||||
}
|
||||
if (si->ps.tmds2_active)
|
||||
{
|
||||
if ((target->timing.h_display > si->ps.p2_timing.h_display) ||
|
||||
(target->timing.v_display > si->ps.p2_timing.v_display))
|
||||
{
|
||||
LOG(4, ("PROPOSEMODE: panel2 can't display requested resolution, aborted.\n"));
|
||||
return B_ERROR;
|
||||
}
|
||||
}
|
||||
|
||||
/* validate display vs. virtual */
|
||||
if ((target->timing.h_display > target->virtual_width) || want_same_width)
|
||||
target->virtual_width = target->timing.h_display;
|
||||
if ((target->timing.v_display > target->virtual_height) || want_same_height)
|
||||
target->virtual_height = target->timing.v_display;
|
||||
|
||||
/* nail virtual size and 'subsequently' calculate rowbytes */
|
||||
result = eng_general_validate_pic_size (target, &row_bytes, &acc_mode);
|
||||
if (result == B_ERROR)
|
||||
{
|
||||
LOG(4, ("PROPOSEMODE: could not validate virtual picture size, aborted.\n"));
|
||||
return result;
|
||||
}
|
||||
|
||||
/*check if virtual_width is still within the requested limits*/
|
||||
if ((target->virtual_width < low->virtual_width) ||
|
||||
(target->virtual_width > high->virtual_width))
|
||||
{
|
||||
status = B_BAD_VALUE;
|
||||
LOG(4, ("PROPOSEMODE: WARNING: virtual_width deviates too much\n"));
|
||||
}
|
||||
|
||||
/*check if timing found is within the requested horizontal limits*/
|
||||
if ((target->timing.h_display < low->timing.h_display) ||
|
||||
(target->timing.h_display > high->timing.h_display) ||
|
||||
(target->timing.h_sync_start < low->timing.h_sync_start) ||
|
||||
(target->timing.h_sync_start > high->timing.h_sync_start) ||
|
||||
(target->timing.h_sync_end < low->timing.h_sync_end) ||
|
||||
(target->timing.h_sync_end > high->timing.h_sync_end) ||
|
||||
(target->timing.h_total < low->timing.h_total) ||
|
||||
(target->timing.h_total > high->timing.h_total))
|
||||
{
|
||||
/* BWindowScreen workaround: we accept everything except h_display deviations */
|
||||
if ((target->timing.h_display < low->timing.h_display) ||
|
||||
(target->timing.h_display > high->timing.h_display))
|
||||
{
|
||||
status = B_BAD_VALUE;
|
||||
}
|
||||
else
|
||||
{
|
||||
status = B_OK;
|
||||
}
|
||||
LOG(4, ("PROPOSEMODE: WARNING: horizontal timing deviates too much\n"));
|
||||
}
|
||||
|
||||
/*check if timing found is within the requested vertical limits*/
|
||||
if (
|
||||
(target->timing.v_display < low->timing.v_display) ||
|
||||
(target->timing.v_display > high->timing.v_display) ||
|
||||
(target->timing.v_sync_start < low->timing.v_sync_start) ||
|
||||
(target->timing.v_sync_start > high->timing.v_sync_start) ||
|
||||
(target->timing.v_sync_end < low->timing.v_sync_end) ||
|
||||
(target->timing.v_sync_end > high->timing.v_sync_end) ||
|
||||
(target->timing.v_total < low->timing.v_total) ||
|
||||
(target->timing.v_total > high->timing.v_total)
|
||||
)
|
||||
{
|
||||
/* BWindowScreen workaround: we accept everything except v_display deviations */
|
||||
if ((target->timing.v_display < low->timing.v_display) ||
|
||||
(target->timing.v_display > high->timing.v_display))
|
||||
{
|
||||
status = B_BAD_VALUE;
|
||||
}
|
||||
else
|
||||
{
|
||||
status = B_OK;
|
||||
}
|
||||
LOG(4, ("PROPOSEMODE: WARNING: vertical timing deviates too much\n"));
|
||||
}
|
||||
|
||||
/* adjust pixelclock for possible timing modifications done above */
|
||||
target->timing.pixel_clock = target_refresh * ((double)target->timing.h_total) * ((double)target->timing.v_total) / 1000.0;
|
||||
|
||||
/* Now find the nearest valid pixelclock we actually can setup for the target mode,
|
||||
* this also makes sure we don't generate more pixel bandwidth than the device can handle */
|
||||
/* calculate settings, but do not actually test anything (that costs too much time!) */
|
||||
result = head1_pix_pll_find(*target,&pix_clock_found,&m,&n,&p,0);
|
||||
/* update the target mode */
|
||||
target->timing.pixel_clock = (pix_clock_found * 1000);
|
||||
|
||||
/* note if we fell outside the limits */
|
||||
if ((target->timing.pixel_clock < low->timing.pixel_clock) ||
|
||||
(target->timing.pixel_clock > high->timing.pixel_clock)
|
||||
)
|
||||
{
|
||||
/* BWindowScreen workaround: we accept deviations <= 1Mhz */
|
||||
if ((target->timing.pixel_clock < (low->timing.pixel_clock - 1000)) ||
|
||||
(target->timing.pixel_clock > (high->timing.pixel_clock + 1000)))
|
||||
{
|
||||
status = B_BAD_VALUE;
|
||||
}
|
||||
else
|
||||
{
|
||||
status = B_OK;
|
||||
}
|
||||
LOG(4, ("PROPOSEMODE: WARNING: pixelclock deviates too much\n"));
|
||||
}
|
||||
|
||||
/* checkout space needed for hardcursor (if any) */
|
||||
pointer_reservation = 0;
|
||||
if (si->settings.hardcursor) pointer_reservation = 2048;
|
||||
/* memory requirement for frame buffer */
|
||||
if ((row_bytes * target->virtual_height) >
|
||||
(si->ps.memory_size - pointer_reservation))
|
||||
{
|
||||
target->virtual_height =
|
||||
(si->ps.memory_size - pointer_reservation) / row_bytes;
|
||||
}
|
||||
if (target->virtual_height < target->timing.v_display)
|
||||
{
|
||||
LOG(4,("PROPOSEMODE: not enough memory for current mode, aborted.\n"));
|
||||
return B_ERROR;
|
||||
}
|
||||
LOG(4,("PROPOSEMODE: validated virtual_width %d, virtual_height %d pixels\n",
|
||||
target->virtual_width, target->virtual_height));
|
||||
|
||||
if ((target->virtual_height < low->virtual_height) ||
|
||||
(target->virtual_height > high->virtual_height))
|
||||
{
|
||||
status = B_BAD_VALUE;
|
||||
LOG(4, ("PROPOSEMODE: WARNING: virtual_height deviates too much\n"));
|
||||
}
|
||||
|
||||
/* setup status flags */
|
||||
LOG(1, ("PROPOSEMODE: initial modeflags: $%08x\n", target->flags));
|
||||
/* preset to singlehead card without TVout, no overlay support and no hardcursor.
|
||||
* also advice system that app_server and acc engine may touch the framebuffer
|
||||
* simultaneously (fixed). */
|
||||
target->flags &=
|
||||
~(DUALHEAD_CAPABLE | TV_CAPABLE | B_SUPPORTS_OVERLAYS | B_HARDWARE_CURSOR | B_IO_FB_NA);
|
||||
/* we always allow parallel access (fixed), the DAC is always in 'enhanced'
|
||||
* mode (fixed), and all modes support DPMS (fixed);
|
||||
* We support scrolling and panning in every mode, so we 'send a signal' to
|
||||
* BWindowScreen.CanControlFrameBuffer() by setting B_SCROLL. */
|
||||
/* BTW: B_PARALLEL_ACCESS in combination with a hardcursor enables
|
||||
* BDirectWindow windowed modes. */
|
||||
target->flags |= (B_PARALLEL_ACCESS | B_8_BIT_DAC | B_DPMS | B_SCROLL);
|
||||
|
||||
/* determine the 'would be' max. pixelclock for the second DAC for the current videomode if dualhead were activated */
|
||||
switch (target->space)
|
||||
{
|
||||
case B_CMAP8:
|
||||
max_vclk = si->ps.max_dac2_clock_8;
|
||||
bpp = 1;
|
||||
break;
|
||||
case B_RGB15_LITTLE:
|
||||
case B_RGB16_LITTLE:
|
||||
max_vclk = si->ps.max_dac2_clock_16;
|
||||
bpp = 2;
|
||||
break;
|
||||
case B_RGB24_LITTLE:
|
||||
max_vclk = si->ps.max_dac2_clock_24;
|
||||
bpp = 3;
|
||||
break;
|
||||
case B_RGB32_LITTLE:
|
||||
max_vclk = si->ps.max_dac2_clock_32dh;
|
||||
bpp = 4;
|
||||
break;
|
||||
default:
|
||||
/* use fail-safe value */
|
||||
max_vclk = si->ps.max_dac2_clock_32dh;
|
||||
bpp = 4;
|
||||
break;
|
||||
}
|
||||
|
||||
/* set DUALHEAD_CAPABLE if suitable */
|
||||
//fixme: update for independant secondary head use! (reserve fixed memory then)
|
||||
if (si->ps.secondary_head && (target->timing.pixel_clock <= (max_vclk * 1000)))
|
||||
{
|
||||
switch (target->flags & DUALHEAD_BITS)
|
||||
{
|
||||
case DUALHEAD_ON:
|
||||
case DUALHEAD_SWITCH:
|
||||
if (((si->ps.memory_size - pointer_reservation) >=
|
||||
(row_bytes * target->virtual_height)) &&
|
||||
((uint16)(row_bytes / bpp) >= (target->timing.h_display * 2)))
|
||||
{
|
||||
target->flags |= DUALHEAD_CAPABLE;
|
||||
}
|
||||
break;
|
||||
case DUALHEAD_CLONE:
|
||||
if ((si->ps.memory_size - pointer_reservation) >=
|
||||
(row_bytes * target->virtual_height))
|
||||
{
|
||||
target->flags |= DUALHEAD_CAPABLE;
|
||||
}
|
||||
break;
|
||||
case DUALHEAD_OFF:
|
||||
if ((si->ps.memory_size - pointer_reservation) >=
|
||||
(row_bytes * target->virtual_height * 2))
|
||||
{
|
||||
target->flags |= DUALHEAD_CAPABLE;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* set TV_CAPABLE if suitable: pixelclock is not important (defined by TVstandard) */
|
||||
//fixme: modify for G100 and G200 TVout later on...
|
||||
if (target->flags & DUALHEAD_CAPABLE)
|
||||
{
|
||||
if (si->ps.tvout &&
|
||||
(target->timing.h_display <= 1024) &&
|
||||
(target->timing.v_display <= 768))
|
||||
{
|
||||
target->flags |= TV_CAPABLE;
|
||||
}
|
||||
}
|
||||
|
||||
/* set HARDWARE_CURSOR mode if suitable */
|
||||
if (si->settings.hardcursor)
|
||||
target->flags |= B_HARDWARE_CURSOR;
|
||||
|
||||
/* set SUPPORTS_OVERLAYS */
|
||||
target->flags |= B_SUPPORTS_OVERLAYS;
|
||||
|
||||
LOG(1, ("PROPOSEMODE: validated status modeflags: $%08x\n", target->flags));
|
||||
|
||||
/* overrule timing command flags to be (fixed) blank_pedestal = 0.0IRE,
|
||||
* progressive scan (fixed), and sync_on_green not avaible. */
|
||||
target->timing.flags &= ~(B_BLANK_PEDESTAL | B_TIMING_INTERLACED | B_SYNC_ON_GREEN);
|
||||
/* The HSYNC and VSYNC command flags are actually executed by the driver. */
|
||||
|
||||
if (status == B_OK) LOG(4, ("PROPOSEMODE: completed successfully.\n"));
|
||||
else LOG(4, ("PROPOSEMODE: mode can be made, but outside given limits.\n"));
|
||||
return status;
|
||||
}
|
||||
|
||||
/* Return the number of modes this device will return from GET_MODE_LIST().
|
||||
This is precalculated in create_mode_list (called from InitAccelerant stuff)
|
||||
*/
|
||||
uint32 ACCELERANT_MODE_COUNT(void)
|
||||
{
|
||||
LOG(1, ("ACCELERANT_MODE_COUNT: the modelist contains %d modes\n",si->mode_count));
|
||||
|
||||
return si->mode_count;
|
||||
}
|
||||
|
||||
/* Copy the list of guaranteed supported video modes to the location provided.*/
|
||||
status_t GET_MODE_LIST(display_mode *dm)
|
||||
{
|
||||
LOG(1, ("GET_MODE_LIST: exporting the modelist created before.\n"));
|
||||
|
||||
memcpy(dm, my_mode_list, si->mode_count * sizeof(display_mode));
|
||||
return B_OK;
|
||||
}
|
||||
|
||||
/* Create a list of display_modes to pass back to the caller.*/
|
||||
status_t create_mode_list(void)
|
||||
{
|
||||
size_t max_size;
|
||||
uint32
|
||||
i, j,
|
||||
pix_clk_range;
|
||||
const display_mode
|
||||
*src;
|
||||
display_mode
|
||||
*dst,
|
||||
low,
|
||||
high;
|
||||
|
||||
color_space spaces[4] = {B_RGB32_LITTLE,B_RGB16_LITTLE,B_RGB15_LITTLE,B_CMAP8};
|
||||
|
||||
/* figure out how big the list could be, and adjust up to nearest multiple of B_PAGE_SIZE */
|
||||
max_size = (((MODE_COUNT * 4) * sizeof(display_mode)) + (B_PAGE_SIZE-1)) & ~(B_PAGE_SIZE-1);
|
||||
/* create an area to hold the info */
|
||||
si->mode_area = my_mode_list_area =
|
||||
create_area("NV accelerant mode info", (void **)&my_mode_list, B_ANY_ADDRESS, max_size, B_NO_LOCK, B_READ_AREA | B_WRITE_AREA);
|
||||
if (my_mode_list_area < B_OK) return my_mode_list_area;
|
||||
|
||||
/* walk through our predefined list and see which modes fit this device */
|
||||
src = mode_list;
|
||||
dst = my_mode_list;
|
||||
si->mode_count = 0;
|
||||
for (i = 0; i < MODE_COUNT; i++)
|
||||
{
|
||||
/* set ranges for acceptable values */
|
||||
low = high = *src;
|
||||
/* range is 6.25% of default clock: arbitrarily picked */
|
||||
pix_clk_range = low.timing.pixel_clock >> 5;
|
||||
low.timing.pixel_clock -= pix_clk_range;
|
||||
high.timing.pixel_clock += pix_clk_range;
|
||||
/* 'some cards need wider virtual widths for certain modes':
|
||||
* Not true. They might need a wider pitch, but this is _not_ reflected in
|
||||
* virtual_width, but in fbc.bytes_per_row. */
|
||||
//So disable next line:
|
||||
//high.virtual_width = 4096;
|
||||
/* do it once for each depth we want to support */
|
||||
for (j = 0; j < (sizeof(spaces) / sizeof(color_space)); j++)
|
||||
{
|
||||
/* set target values */
|
||||
*dst = *src;
|
||||
/* poke the specific space */
|
||||
dst->space = low.space = high.space = spaces[j];
|
||||
/* ask for a compatible mode */
|
||||
/* We have to check for B_OK, because otherwise the pix_clk_range
|
||||
* won't be taken into account!! */
|
||||
//So don't do this:
|
||||
//if (PROPOSE_DISPLAY_MODE(dst, &low, &high) != B_ERROR) {
|
||||
//Instead, do this:
|
||||
if (PROPOSE_DISPLAY_MODE(dst, &low, &high) == B_OK) {
|
||||
/* count it, and move on to next mode */
|
||||
dst++;
|
||||
si->mode_count++;
|
||||
}
|
||||
}
|
||||
/* advance to next mode */
|
||||
src++;
|
||||
}
|
||||
|
||||
return B_OK;
|
||||
}
|
||||
Reference in New Issue
Block a user