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drivers/video/via/hw.c
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/* * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; * either version 2, or (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even * the implied warranty of MERCHANTABILITY or FITNESS FOR * A PARTICULAR PURPOSE.See the GNU General Public License * for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
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#include <linux/via-core.h> |
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#include <asm/olpc.h> |
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#include "global.h" |
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#include "via_clock.h" |
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static struct pll_limit cle266_pll_limits[] = { {19, 19, 4, 0}, {26, 102, 5, 0}, {53, 112, 6, 0}, {41, 100, 7, 0}, {83, 108, 8, 0}, {87, 118, 9, 0}, {95, 115, 12, 0}, {108, 108, 13, 0}, {83, 83, 17, 0}, {67, 98, 20, 0}, {121, 121, 24, 0}, {99, 99, 29, 0}, {33, 33, 3, 1}, {15, 23, 4, 1}, {37, 121, 5, 1}, {82, 82, 6, 1}, {31, 84, 7, 1}, {83, 83, 8, 1}, {76, 127, 9, 1}, {33, 121, 4, 2}, {91, 118, 5, 2}, {83, 109, 6, 2}, {90, 90, 7, 2}, {93, 93, 2, 3}, {53, 53, 3, 3}, {73, 117, 4, 3}, {101, 127, 5, 3}, {99, 99, 7, 3} |
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}; |
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static struct pll_limit k800_pll_limits[] = { {22, 22, 2, 0}, {28, 28, 3, 0}, {81, 112, 3, 1}, {86, 166, 4, 1}, {109, 153, 5, 1}, {66, 116, 3, 2}, {93, 137, 4, 2}, {117, 208, 5, 2}, {30, 30, 2, 3}, {69, 125, 3, 3}, {89, 161, 4, 3}, {121, 208, 5, 3}, {66, 66, 2, 4}, {85, 85, 3, 4}, {141, 161, 4, 4}, {177, 177, 5, 4} |
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}; |
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static struct pll_limit cx700_pll_limits[] = { {98, 98, 3, 1}, {86, 86, 4, 1}, {109, 208, 5, 1}, {68, 68, 2, 2}, {95, 116, 3, 2}, {93, 166, 4, 2}, {110, 206, 5, 2}, {174, 174, 7, 2}, {82, 109, 3, 3}, {117, 161, 4, 3}, {112, 208, 5, 3}, {141, 202, 5, 4} |
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}; |
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static struct pll_limit vx855_pll_limits[] = { {86, 86, 4, 1}, {108, 208, 5, 1}, {110, 208, 5, 2}, {83, 112, 3, 3}, {103, 161, 4, 3}, {112, 209, 5, 3}, {142, 161, 4, 4}, {141, 176, 5, 4} |
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}; |
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/* according to VIA Technologies these values are based on experiment */ static struct io_reg scaling_parameters[] = { {VIACR, CR7A, 0xFF, 0x01}, /* LCD Scaling Parameter 1 */ {VIACR, CR7B, 0xFF, 0x02}, /* LCD Scaling Parameter 2 */ {VIACR, CR7C, 0xFF, 0x03}, /* LCD Scaling Parameter 3 */ {VIACR, CR7D, 0xFF, 0x04}, /* LCD Scaling Parameter 4 */ {VIACR, CR7E, 0xFF, 0x07}, /* LCD Scaling Parameter 5 */ {VIACR, CR7F, 0xFF, 0x0A}, /* LCD Scaling Parameter 6 */ {VIACR, CR80, 0xFF, 0x0D}, /* LCD Scaling Parameter 7 */ {VIACR, CR81, 0xFF, 0x13}, /* LCD Scaling Parameter 8 */ {VIACR, CR82, 0xFF, 0x16}, /* LCD Scaling Parameter 9 */ {VIACR, CR83, 0xFF, 0x19}, /* LCD Scaling Parameter 10 */ {VIACR, CR84, 0xFF, 0x1C}, /* LCD Scaling Parameter 11 */ {VIACR, CR85, 0xFF, 0x1D}, /* LCD Scaling Parameter 12 */ {VIACR, CR86, 0xFF, 0x1E}, /* LCD Scaling Parameter 13 */ {VIACR, CR87, 0xFF, 0x1F}, /* LCD Scaling Parameter 14 */ }; |
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static struct io_reg common_vga[] = { {VIACR, CR07, 0x10, 0x10}, /* [0] vertical total (bit 8) [1] vertical display end (bit 8) [2] vertical retrace start (bit 8) [3] start vertical blanking (bit 8) [4] line compare (bit 8) [5] vertical total (bit 9) [6] vertical display end (bit 9) [7] vertical retrace start (bit 9) */ {VIACR, CR08, 0xFF, 0x00}, /* [0-4] preset row scan [5-6] byte panning */ {VIACR, CR09, 0xDF, 0x40}, /* [0-4] max scan line [5] start vertical blanking (bit 9) [6] line compare (bit 9) [7] scan doubling */ {VIACR, CR0A, 0xFF, 0x1E}, /* [0-4] cursor start [5] cursor disable */ {VIACR, CR0B, 0xFF, 0x00}, /* [0-4] cursor end [5-6] cursor skew */ {VIACR, CR0E, 0xFF, 0x00}, /* [0-7] cursor location (high) */ {VIACR, CR0F, 0xFF, 0x00}, /* [0-7] cursor location (low) */ {VIACR, CR11, 0xF0, 0x80}, /* [0-3] vertical retrace end [6] memory refresh bandwidth [7] CRTC register protect enable */ {VIACR, CR14, 0xFF, 0x00}, /* [0-4] underline location [5] divide memory address clock by 4 [6] double word addressing */ {VIACR, CR17, 0xFF, 0x63}, /* [0-1] mapping of display address 13-14 [2] divide scan line clock by 2 [3] divide memory address clock by 2 [5] address wrap [6] byte mode select [7] sync enable */ {VIACR, CR18, 0xFF, 0xFF}, /* [0-7] line compare */ }; |
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static struct fifo_depth_select display_fifo_depth_reg = { /* IGA1 FIFO Depth_Select */ {IGA1_FIFO_DEPTH_SELECT_REG_NUM, {{SR17, 0, 7} } }, /* IGA2 FIFO Depth_Select */ {IGA2_FIFO_DEPTH_SELECT_REG_NUM, {{CR68, 4, 7}, {CR94, 7, 7}, {CR95, 7, 7} } } }; static struct fifo_threshold_select fifo_threshold_select_reg = { /* IGA1 FIFO Threshold Select */ {IGA1_FIFO_THRESHOLD_REG_NUM, {{SR16, 0, 5}, {SR16, 7, 7} } }, /* IGA2 FIFO Threshold Select */ {IGA2_FIFO_THRESHOLD_REG_NUM, {{CR68, 0, 3}, {CR95, 4, 6} } } }; static struct fifo_high_threshold_select fifo_high_threshold_select_reg = { /* IGA1 FIFO High Threshold Select */ {IGA1_FIFO_HIGH_THRESHOLD_REG_NUM, {{SR18, 0, 5}, {SR18, 7, 7} } }, /* IGA2 FIFO High Threshold Select */ {IGA2_FIFO_HIGH_THRESHOLD_REG_NUM, {{CR92, 0, 3}, {CR95, 0, 2} } } }; static struct display_queue_expire_num display_queue_expire_num_reg = { /* IGA1 Display Queue Expire Num */ {IGA1_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM, {{SR22, 0, 4} } }, /* IGA2 Display Queue Expire Num */ {IGA2_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM, {{CR94, 0, 6} } } }; /* Definition Fetch Count Registers*/ static struct fetch_count fetch_count_reg = { /* IGA1 Fetch Count Register */ {IGA1_FETCH_COUNT_REG_NUM, {{SR1C, 0, 7}, {SR1D, 0, 1} } }, /* IGA2 Fetch Count Register */ {IGA2_FETCH_COUNT_REG_NUM, {{CR65, 0, 7}, {CR67, 2, 3} } } }; |
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static struct rgbLUT palLUT_table[] = { /* {R,G,B} */ /* Index 0x00~0x03 */ {0x00, 0x00, 0x00}, {0x00, 0x00, 0x2A}, {0x00, 0x2A, 0x00}, {0x00, 0x2A, 0x2A}, /* Index 0x04~0x07 */ {0x2A, 0x00, 0x00}, {0x2A, 0x00, 0x2A}, {0x2A, 0x15, 0x00}, {0x2A, 0x2A, 0x2A}, /* Index 0x08~0x0B */ {0x15, 0x15, 0x15}, {0x15, 0x15, 0x3F}, {0x15, 0x3F, 0x15}, {0x15, 0x3F, 0x3F}, /* Index 0x0C~0x0F */ {0x3F, 0x15, 0x15}, {0x3F, 0x15, 0x3F}, {0x3F, 0x3F, 0x15}, {0x3F, 0x3F, 0x3F}, /* Index 0x10~0x13 */ {0x00, 0x00, 0x00}, {0x05, 0x05, 0x05}, {0x08, 0x08, 0x08}, {0x0B, 0x0B, 0x0B}, /* Index 0x14~0x17 */ {0x0E, 0x0E, 0x0E}, {0x11, 0x11, 0x11}, {0x14, 0x14, 0x14}, {0x18, 0x18, 0x18}, /* Index 0x18~0x1B */ {0x1C, 0x1C, 0x1C}, {0x20, 0x20, 0x20}, {0x24, 0x24, 0x24}, {0x28, 0x28, 0x28}, /* Index 0x1C~0x1F */ {0x2D, 0x2D, 0x2D}, {0x32, 0x32, 0x32}, {0x38, 0x38, 0x38}, {0x3F, 0x3F, 0x3F}, /* Index 0x20~0x23 */ {0x00, 0x00, 0x3F}, {0x10, 0x00, 0x3F}, {0x1F, 0x00, 0x3F}, {0x2F, 0x00, 0x3F}, /* Index 0x24~0x27 */ {0x3F, 0x00, 0x3F}, {0x3F, 0x00, 0x2F}, {0x3F, 0x00, 0x1F}, {0x3F, 0x00, 0x10}, /* Index 0x28~0x2B */ {0x3F, 0x00, 0x00}, {0x3F, 0x10, 0x00}, {0x3F, 0x1F, 0x00}, {0x3F, 0x2F, 0x00}, /* Index 0x2C~0x2F */ {0x3F, 0x3F, 0x00}, {0x2F, 0x3F, 0x00}, {0x1F, 0x3F, 0x00}, {0x10, 0x3F, 0x00}, /* Index 0x30~0x33 */ {0x00, 0x3F, 0x00}, {0x00, 0x3F, 0x10}, {0x00, 0x3F, 0x1F}, {0x00, 0x3F, 0x2F}, /* Index 0x34~0x37 */ {0x00, 0x3F, 0x3F}, {0x00, 0x2F, 0x3F}, {0x00, 0x1F, 0x3F}, {0x00, 0x10, 0x3F}, /* Index 0x38~0x3B */ {0x1F, 0x1F, 0x3F}, {0x27, 0x1F, 0x3F}, {0x2F, 0x1F, 0x3F}, {0x37, 0x1F, 0x3F}, /* Index 0x3C~0x3F */ {0x3F, 0x1F, 0x3F}, {0x3F, 0x1F, 0x37}, {0x3F, 0x1F, 0x2F}, {0x3F, 0x1F, 0x27}, /* Index 0x40~0x43 */ {0x3F, 0x1F, 0x1F}, {0x3F, 0x27, 0x1F}, {0x3F, 0x2F, 0x1F}, {0x3F, 0x3F, 0x1F}, /* Index 0x44~0x47 */ {0x3F, 0x3F, 0x1F}, {0x37, 0x3F, 0x1F}, {0x2F, 0x3F, 0x1F}, {0x27, 0x3F, 0x1F}, /* Index 0x48~0x4B */ {0x1F, 0x3F, 0x1F}, {0x1F, 0x3F, 0x27}, {0x1F, 0x3F, 0x2F}, {0x1F, 0x3F, 0x37}, /* Index 0x4C~0x4F */ {0x1F, 0x3F, 0x3F}, {0x1F, 0x37, 0x3F}, {0x1F, 0x2F, 0x3F}, {0x1F, 0x27, 0x3F}, /* Index 0x50~0x53 */ {0x2D, 0x2D, 0x3F}, {0x31, 0x2D, 0x3F}, {0x36, 0x2D, 0x3F}, {0x3A, 0x2D, 0x3F}, /* Index 0x54~0x57 */ {0x3F, 0x2D, 0x3F}, {0x3F, 0x2D, 0x3A}, {0x3F, 0x2D, 0x36}, {0x3F, 0x2D, 0x31}, /* Index 0x58~0x5B */ {0x3F, 0x2D, 0x2D}, {0x3F, 0x31, 0x2D}, {0x3F, 0x36, 0x2D}, {0x3F, 0x3A, 0x2D}, /* Index 0x5C~0x5F */ {0x3F, 0x3F, 0x2D}, {0x3A, 0x3F, 0x2D}, {0x36, 0x3F, 0x2D}, {0x31, 0x3F, 0x2D}, /* Index 0x60~0x63 */ {0x2D, 0x3F, 0x2D}, {0x2D, 0x3F, 0x31}, {0x2D, 0x3F, 0x36}, {0x2D, 0x3F, 0x3A}, /* Index 0x64~0x67 */ {0x2D, 0x3F, 0x3F}, {0x2D, 0x3A, 0x3F}, {0x2D, 0x36, 0x3F}, {0x2D, 0x31, 0x3F}, /* Index 0x68~0x6B */ {0x00, 0x00, 0x1C}, {0x07, 0x00, 0x1C}, {0x0E, 0x00, 0x1C}, {0x15, 0x00, 0x1C}, /* Index 0x6C~0x6F */ {0x1C, 0x00, 0x1C}, {0x1C, 0x00, 0x15}, {0x1C, 0x00, 0x0E}, {0x1C, 0x00, 0x07}, /* Index 0x70~0x73 */ {0x1C, 0x00, 0x00}, {0x1C, 0x07, 0x00}, {0x1C, 0x0E, 0x00}, {0x1C, 0x15, 0x00}, /* Index 0x74~0x77 */ {0x1C, 0x1C, 0x00}, {0x15, 0x1C, 0x00}, {0x0E, 0x1C, 0x00}, {0x07, 0x1C, 0x00}, /* Index 0x78~0x7B */ {0x00, 0x1C, 0x00}, {0x00, 0x1C, 0x07}, {0x00, 0x1C, 0x0E}, {0x00, 0x1C, 0x15}, /* Index 0x7C~0x7F */ {0x00, 0x1C, 0x1C}, {0x00, 0x15, 0x1C}, {0x00, 0x0E, 0x1C}, {0x00, 0x07, 0x1C}, /* Index 0x80~0x83 */ {0x0E, 0x0E, 0x1C}, {0x11, 0x0E, 0x1C}, {0x15, 0x0E, 0x1C}, {0x18, 0x0E, 0x1C}, /* Index 0x84~0x87 */ {0x1C, 0x0E, 0x1C}, {0x1C, 0x0E, 0x18}, {0x1C, 0x0E, 0x15}, {0x1C, 0x0E, 0x11}, /* Index 0x88~0x8B */ {0x1C, 0x0E, 0x0E}, {0x1C, 0x11, 0x0E}, {0x1C, 0x15, 0x0E}, {0x1C, 0x18, 0x0E}, /* Index 0x8C~0x8F */ {0x1C, 0x1C, 0x0E}, {0x18, 0x1C, 0x0E}, {0x15, 0x1C, 0x0E}, {0x11, 0x1C, 0x0E}, /* Index 0x90~0x93 */ {0x0E, 0x1C, 0x0E}, {0x0E, 0x1C, 0x11}, {0x0E, 0x1C, 0x15}, {0x0E, 0x1C, 0x18}, /* Index 0x94~0x97 */ {0x0E, 0x1C, 0x1C}, {0x0E, 0x18, 0x1C}, {0x0E, 0x15, 0x1C}, {0x0E, 0x11, 0x1C}, /* Index 0x98~0x9B */ {0x14, 0x14, 0x1C}, {0x16, 0x14, 0x1C}, {0x18, 0x14, 0x1C}, {0x1A, 0x14, 0x1C}, /* Index 0x9C~0x9F */ {0x1C, 0x14, 0x1C}, {0x1C, 0x14, 0x1A}, {0x1C, 0x14, 0x18}, {0x1C, 0x14, 0x16}, /* Index 0xA0~0xA3 */ {0x1C, 0x14, 0x14}, {0x1C, 0x16, 0x14}, {0x1C, 0x18, 0x14}, {0x1C, 0x1A, 0x14}, /* Index 0xA4~0xA7 */ {0x1C, 0x1C, 0x14}, {0x1A, 0x1C, 0x14}, {0x18, 0x1C, 0x14}, {0x16, 0x1C, 0x14}, /* Index 0xA8~0xAB */ {0x14, 0x1C, 0x14}, {0x14, 0x1C, 0x16}, {0x14, 0x1C, 0x18}, {0x14, 0x1C, 0x1A}, /* Index 0xAC~0xAF */ {0x14, 0x1C, 0x1C}, {0x14, 0x1A, 0x1C}, {0x14, 0x18, 0x1C}, {0x14, 0x16, 0x1C}, /* Index 0xB0~0xB3 */ {0x00, 0x00, 0x10}, {0x04, 0x00, 0x10}, {0x08, 0x00, 0x10}, {0x0C, 0x00, 0x10}, /* Index 0xB4~0xB7 */ {0x10, 0x00, 0x10}, {0x10, 0x00, 0x0C}, {0x10, 0x00, 0x08}, {0x10, 0x00, 0x04}, /* Index 0xB8~0xBB */ {0x10, 0x00, 0x00}, {0x10, 0x04, 0x00}, {0x10, 0x08, 0x00}, {0x10, 0x0C, 0x00}, /* Index 0xBC~0xBF */ {0x10, 0x10, 0x00}, {0x0C, 0x10, 0x00}, {0x08, 0x10, 0x00}, {0x04, 0x10, 0x00}, /* Index 0xC0~0xC3 */ {0x00, 0x10, 0x00}, {0x00, 0x10, 0x04}, {0x00, 0x10, 0x08}, {0x00, 0x10, 0x0C}, /* Index 0xC4~0xC7 */ {0x00, 0x10, 0x10}, {0x00, 0x0C, 0x10}, {0x00, 0x08, 0x10}, {0x00, 0x04, 0x10}, /* Index 0xC8~0xCB */ {0x08, 0x08, 0x10}, {0x0A, 0x08, 0x10}, {0x0C, 0x08, 0x10}, {0x0E, 0x08, 0x10}, /* Index 0xCC~0xCF */ {0x10, 0x08, 0x10}, {0x10, 0x08, 0x0E}, {0x10, 0x08, 0x0C}, {0x10, 0x08, 0x0A}, /* Index 0xD0~0xD3 */ {0x10, 0x08, 0x08}, {0x10, 0x0A, 0x08}, {0x10, 0x0C, 0x08}, {0x10, 0x0E, 0x08}, /* Index 0xD4~0xD7 */ {0x10, 0x10, 0x08}, {0x0E, 0x10, 0x08}, {0x0C, 0x10, 0x08}, {0x0A, 0x10, 0x08}, /* Index 0xD8~0xDB */ {0x08, 0x10, 0x08}, {0x08, 0x10, 0x0A}, {0x08, 0x10, 0x0C}, {0x08, 0x10, 0x0E}, /* Index 0xDC~0xDF */ {0x08, 0x10, 0x10}, {0x08, 0x0E, 0x10}, {0x08, 0x0C, 0x10}, {0x08, 0x0A, 0x10}, /* Index 0xE0~0xE3 */ {0x0B, 0x0B, 0x10}, {0x0C, 0x0B, 0x10}, {0x0D, 0x0B, 0x10}, {0x0F, 0x0B, 0x10}, /* Index 0xE4~0xE7 */ {0x10, 0x0B, 0x10}, {0x10, 0x0B, 0x0F}, {0x10, 0x0B, 0x0D}, {0x10, 0x0B, 0x0C}, /* Index 0xE8~0xEB */ {0x10, 0x0B, 0x0B}, {0x10, 0x0C, 0x0B}, {0x10, 0x0D, 0x0B}, {0x10, 0x0F, 0x0B}, /* Index 0xEC~0xEF */ {0x10, 0x10, 0x0B}, {0x0F, 0x10, 0x0B}, {0x0D, 0x10, 0x0B}, {0x0C, 0x10, 0x0B}, /* Index 0xF0~0xF3 */ {0x0B, 0x10, 0x0B}, {0x0B, 0x10, 0x0C}, {0x0B, 0x10, 0x0D}, {0x0B, 0x10, 0x0F}, /* Index 0xF4~0xF7 */ {0x0B, 0x10, 0x10}, {0x0B, 0x0F, 0x10}, {0x0B, 0x0D, 0x10}, {0x0B, 0x0C, 0x10}, /* Index 0xF8~0xFB */ {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, /* Index 0xFC~0xFF */ {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00} }; |
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static struct via_device_mapping device_mapping[] = { |
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{VIA_LDVP0, "LDVP0"}, {VIA_LDVP1, "LDVP1"}, {VIA_DVP0, "DVP0"}, |
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{VIA_CRT, "CRT"}, {VIA_DVP1, "DVP1"}, {VIA_LVDS1, "LVDS1"}, {VIA_LVDS2, "LVDS2"} }; |
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/* structure with function pointers to support clock control */ static struct via_clock clock; |
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static void load_fix_bit_crtc_reg(void); |
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static void __devinit init_gfx_chip_info(int chip_type); static void __devinit init_tmds_chip_info(void); static void __devinit init_lvds_chip_info(void); |
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static void device_screen_off(void); static void device_screen_on(void); static void set_display_channel(void); static void device_off(void); static void device_on(void); static void enable_second_display_channel(void); |
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static void disable_second_display_channel(void); |
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void viafb_lock_crt(void) { viafb_write_reg_mask(CR11, VIACR, BIT7, BIT7); } void viafb_unlock_crt(void) { viafb_write_reg_mask(CR11, VIACR, 0, BIT7); viafb_write_reg_mask(CR47, VIACR, 0, BIT0); } |
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static void write_dac_reg(u8 index, u8 r, u8 g, u8 b) |
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{ outb(index, LUT_INDEX_WRITE); outb(r, LUT_DATA); outb(g, LUT_DATA); outb(b, LUT_DATA); } |
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static u32 get_dvi_devices(int output_interface) { switch (output_interface) { case INTERFACE_DVP0: |
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return VIA_DVP0 | VIA_LDVP0; |
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491 492 493 |
case INTERFACE_DVP1: if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) |
a2aa9f9f5
|
494 |
return VIA_LDVP1; |
18d9dc08b
|
495 496 497 498 499 500 501 |
else return VIA_DVP1; case INTERFACE_DFP_HIGH: if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) return 0; else |
a2aa9f9f5
|
502 |
return VIA_LVDS2 | VIA_DVP0; |
18d9dc08b
|
503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 |
case INTERFACE_DFP_LOW: if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) return 0; else return VIA_DVP1 | VIA_LVDS1; case INTERFACE_TMDS: return VIA_LVDS1; } return 0; } static u32 get_lcd_devices(int output_interface) { switch (output_interface) { case INTERFACE_DVP0: |
a2aa9f9f5
|
521 |
return VIA_DVP0; |
18d9dc08b
|
522 523 524 525 526 |
case INTERFACE_DVP1: return VIA_DVP1; case INTERFACE_DFP_HIGH: |
a2aa9f9f5
|
527 |
return VIA_LVDS2 | VIA_DVP0; |
18d9dc08b
|
528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 |
case INTERFACE_DFP_LOW: return VIA_LVDS1 | VIA_DVP1; case INTERFACE_DFP: return VIA_LVDS1 | VIA_LVDS2; case INTERFACE_LVDS0: case INTERFACE_LVDS0LVDS1: return VIA_LVDS1; case INTERFACE_LVDS1: return VIA_LVDS2; } return 0; } |
d61e0bf38
|
545 546 547 |
/*Set IGA path for each device*/ void viafb_set_iga_path(void) { |
0523656ee
|
548 |
int crt_iga_path = 0; |
d61e0bf38
|
549 550 551 552 |
if (viafb_SAMM_ON == 1) { if (viafb_CRT_ON) { if (viafb_primary_dev == CRT_Device) |
0523656ee
|
553 |
crt_iga_path = IGA1; |
d61e0bf38
|
554 |
else |
0523656ee
|
555 |
crt_iga_path = IGA2; |
d61e0bf38
|
556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 |
} if (viafb_DVI_ON) { if (viafb_primary_dev == DVI_Device) viaparinfo->tmds_setting_info->iga_path = IGA1; else viaparinfo->tmds_setting_info->iga_path = IGA2; } if (viafb_LCD_ON) { if (viafb_primary_dev == LCD_Device) { if (viafb_dual_fb && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) { viaparinfo-> lvds_setting_info->iga_path = IGA2; |
0523656ee
|
572 |
crt_iga_path = IGA1; |
d61e0bf38
|
573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 |
viaparinfo-> tmds_setting_info->iga_path = IGA1; } else viaparinfo-> lvds_setting_info->iga_path = IGA1; } else { viaparinfo->lvds_setting_info->iga_path = IGA2; } } if (viafb_LCD2_ON) { if (LCD2_Device == viafb_primary_dev) viaparinfo->lvds_setting_info2->iga_path = IGA1; else viaparinfo->lvds_setting_info2->iga_path = IGA2; } } else { viafb_SAMM_ON = 0; if (viafb_CRT_ON && viafb_LCD_ON) { |
0523656ee
|
592 |
crt_iga_path = IGA1; |
d61e0bf38
|
593 594 |
viaparinfo->lvds_setting_info->iga_path = IGA2; } else if (viafb_CRT_ON && viafb_DVI_ON) { |
0523656ee
|
595 |
crt_iga_path = IGA1; |
d61e0bf38
|
596 597 598 599 600 601 602 603 |
viaparinfo->tmds_setting_info->iga_path = IGA2; } else if (viafb_LCD_ON && viafb_DVI_ON) { viaparinfo->tmds_setting_info->iga_path = IGA1; viaparinfo->lvds_setting_info->iga_path = IGA2; } else if (viafb_LCD_ON && viafb_LCD2_ON) { viaparinfo->lvds_setting_info->iga_path = IGA2; viaparinfo->lvds_setting_info2->iga_path = IGA2; } else if (viafb_CRT_ON) { |
0523656ee
|
604 |
crt_iga_path = IGA1; |
d61e0bf38
|
605 606 607 608 609 610 |
} else if (viafb_LCD_ON) { viaparinfo->lvds_setting_info->iga_path = IGA2; } else if (viafb_DVI_ON) { viaparinfo->tmds_setting_info->iga_path = IGA1; } } |
18d9dc08b
|
611 612 613 614 |
viaparinfo->shared->iga1_devices = 0; viaparinfo->shared->iga2_devices = 0; if (viafb_CRT_ON) { |
0523656ee
|
615 |
if (crt_iga_path == IGA1) |
18d9dc08b
|
616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 |
viaparinfo->shared->iga1_devices |= VIA_CRT; else viaparinfo->shared->iga2_devices |= VIA_CRT; } if (viafb_DVI_ON) { if (viaparinfo->tmds_setting_info->iga_path == IGA1) viaparinfo->shared->iga1_devices |= get_dvi_devices( viaparinfo->chip_info-> tmds_chip_info.output_interface); else viaparinfo->shared->iga2_devices |= get_dvi_devices( viaparinfo->chip_info-> tmds_chip_info.output_interface); } if (viafb_LCD_ON) { if (viaparinfo->lvds_setting_info->iga_path == IGA1) viaparinfo->shared->iga1_devices |= get_lcd_devices( viaparinfo->chip_info-> lvds_chip_info.output_interface); else viaparinfo->shared->iga2_devices |= get_lcd_devices( viaparinfo->chip_info-> lvds_chip_info.output_interface); } if (viafb_LCD2_ON) { if (viaparinfo->lvds_setting_info2->iga_path == IGA1) viaparinfo->shared->iga1_devices |= get_lcd_devices( viaparinfo->chip_info-> lvds_chip_info2.output_interface); else viaparinfo->shared->iga2_devices |= get_lcd_devices( viaparinfo->chip_info-> lvds_chip_info2.output_interface); } |
32fab7bcc
|
653 654 655 656 |
/* looks like the OLPC has its display wired to DVP1 and LVDS2 */ if (machine_is_olpc()) viaparinfo->shared->iga2_devices = VIA_DVP1 | VIA_LVDS2; |
d61e0bf38
|
657 |
} |
415559fbf
|
658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 |
static void set_color_register(u8 index, u8 red, u8 green, u8 blue) { outb(0xFF, 0x3C6); /* bit mask of palette */ outb(index, 0x3C8); outb(red, 0x3C9); outb(green, 0x3C9); outb(blue, 0x3C9); } void viafb_set_primary_color_register(u8 index, u8 red, u8 green, u8 blue) { viafb_write_reg_mask(0x1A, VIASR, 0x00, 0x01); set_color_register(index, red, green, blue); } void viafb_set_secondary_color_register(u8 index, u8 red, u8 green, u8 blue) { viafb_write_reg_mask(0x1A, VIASR, 0x01, 0x01); set_color_register(index, red, green, blue); } |
a54be174e
|
678 |
static void set_source_common(u8 index, u8 offset, u8 iga) |
d61e0bf38
|
679 |
{ |
a54be174e
|
680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 |
u8 value, mask = 1 << offset; switch (iga) { case IGA1: value = 0x00; break; case IGA2: value = mask; break; default: printk(KERN_WARNING "viafb: Unsupported source: %d ", iga); return; } via_write_reg_mask(VIACR, index, value, mask); } static void set_crt_source(u8 iga) { u8 value; |
d61e0bf38
|
701 |
|
a54be174e
|
702 |
switch (iga) { |
d61e0bf38
|
703 |
case IGA1: |
a54be174e
|
704 |
value = 0x00; |
d61e0bf38
|
705 706 |
break; case IGA2: |
a54be174e
|
707 |
value = 0x40; |
d61e0bf38
|
708 |
break; |
a54be174e
|
709 710 711 712 |
default: printk(KERN_WARNING "viafb: Unsupported source: %d ", iga); return; |
d61e0bf38
|
713 |
} |
a54be174e
|
714 715 716 |
via_write_reg_mask(VIASR, 0x16, value, 0x40); } |
a2aa9f9f5
|
717 |
static inline void set_ldvp0_source(u8 iga) |
a54be174e
|
718 719 720 |
{ set_source_common(0x6C, 7, iga); } |
a2aa9f9f5
|
721 |
static inline void set_ldvp1_source(u8 iga) |
a54be174e
|
722 723 724 |
{ set_source_common(0x93, 7, iga); } |
a2aa9f9f5
|
725 |
static inline void set_dvp0_source(u8 iga) |
a54be174e
|
726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 |
{ set_source_common(0x96, 4, iga); } static inline void set_dvp1_source(u8 iga) { set_source_common(0x9B, 4, iga); } static inline void set_lvds1_source(u8 iga) { set_source_common(0x99, 4, iga); } static inline void set_lvds2_source(u8 iga) { set_source_common(0x97, 4, iga); } |
bc6848875
|
744 |
void via_set_source(u32 devices, u8 iga) |
a54be174e
|
745 |
{ |
a2aa9f9f5
|
746 747 748 749 750 751 |
if (devices & VIA_LDVP0) set_ldvp0_source(iga); if (devices & VIA_LDVP1) set_ldvp1_source(iga); if (devices & VIA_DVP0) set_dvp0_source(iga); |
bc6848875
|
752 753 754 755 756 757 758 759 |
if (devices & VIA_CRT) set_crt_source(iga); if (devices & VIA_DVP1) set_dvp1_source(iga); if (devices & VIA_LVDS1) set_lvds1_source(iga); if (devices & VIA_LVDS2) set_lvds2_source(iga); |
d61e0bf38
|
760 |
} |
6f9422d4e
|
761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 |
static void set_crt_state(u8 state) { u8 value; switch (state) { case VIA_STATE_ON: value = 0x00; break; case VIA_STATE_STANDBY: value = 0x10; break; case VIA_STATE_SUSPEND: value = 0x20; break; case VIA_STATE_OFF: value = 0x30; break; default: return; } via_write_reg_mask(VIACR, 0x36, value, 0x30); } |
a2aa9f9f5
|
784 |
static void set_dvp0_state(u8 state) |
6f9422d4e
|
785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 |
{ u8 value; switch (state) { case VIA_STATE_ON: value = 0xC0; break; case VIA_STATE_OFF: value = 0x00; break; default: return; } via_write_reg_mask(VIASR, 0x1E, value, 0xC0); } static void set_dvp1_state(u8 state) { u8 value; switch (state) { case VIA_STATE_ON: value = 0x30; break; case VIA_STATE_OFF: value = 0x00; break; default: return; } via_write_reg_mask(VIASR, 0x1E, value, 0x30); } static void set_lvds1_state(u8 state) { u8 value; switch (state) { case VIA_STATE_ON: value = 0x03; break; case VIA_STATE_OFF: value = 0x00; break; default: return; } via_write_reg_mask(VIASR, 0x2A, value, 0x03); } static void set_lvds2_state(u8 state) { u8 value; switch (state) { case VIA_STATE_ON: value = 0x0C; break; case VIA_STATE_OFF: value = 0x00; break; default: return; } via_write_reg_mask(VIASR, 0x2A, value, 0x0C); } void via_set_state(u32 devices, u8 state) { /* TODO: Can we enable/disable these devices? How? |
a2aa9f9f5
|
860 861 |
if (devices & VIA_LDVP0) if (devices & VIA_LDVP1) |
6f9422d4e
|
862 |
*/ |
a2aa9f9f5
|
863 864 |
if (devices & VIA_DVP0) set_dvp0_state(state); |
6f9422d4e
|
865 866 867 868 869 870 871 872 873 |
if (devices & VIA_CRT) set_crt_state(state); if (devices & VIA_DVP1) set_dvp1_state(state); if (devices & VIA_LVDS1) set_lvds1_state(state); if (devices & VIA_LVDS2) set_lvds2_state(state); } |
7f0e153e2
|
874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 |
void via_set_sync_polarity(u32 devices, u8 polarity) { if (polarity & ~(VIA_HSYNC_NEGATIVE | VIA_VSYNC_NEGATIVE)) { printk(KERN_WARNING "viafb: Unsupported polarity: %d ", polarity); return; } if (devices & VIA_CRT) via_write_misc_reg_mask(polarity << 6, 0xC0); if (devices & VIA_DVP1) via_write_reg_mask(VIACR, 0x9B, polarity << 5, 0x60); if (devices & VIA_LVDS1) via_write_reg_mask(VIACR, 0x99, polarity << 5, 0x60); if (devices & VIA_LVDS2) via_write_reg_mask(VIACR, 0x97, polarity << 5, 0x60); } |
2a9183923
|
892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 |
u32 via_parse_odev(char *input, char **end) { char *ptr = input; u32 odev = 0; bool next = true; int i, len; while (next) { next = false; for (i = 0; i < ARRAY_SIZE(device_mapping); i++) { len = strlen(device_mapping[i].name); if (!strncmp(ptr, device_mapping[i].name, len)) { odev |= device_mapping[i].device; ptr += len; if (*ptr == ',') { ptr++; next = true; } } } } *end = ptr; return odev; } void via_odev_to_seq(struct seq_file *m, u32 odev) { int i, count = 0; for (i = 0; i < ARRAY_SIZE(device_mapping); i++) { if (odev & device_mapping[i].device) { if (count > 0) seq_putc(m, ','); seq_puts(m, device_mapping[i].name); count++; } } seq_putc(m, ' '); } |
d61e0bf38
|
935 936 |
static void load_fix_bit_crtc_reg(void) { |
0f8132b74
|
937 |
viafb_unlock_crt(); |
d61e0bf38
|
938 939 940 |
/* always set to 1 */ viafb_write_reg_mask(CR03, VIACR, 0x80, BIT7); /* line compare should set all bits = 1 (extend modes) */ |
d61e0bf38
|
941 942 943 944 |
viafb_write_reg_mask(CR35, VIACR, 0x10, BIT4); /* line compare should set all bits = 1 (extend modes) */ viafb_write_reg_mask(CR33, VIACR, 0x06, BIT0 + BIT1 + BIT2); /*viafb_write_reg_mask(CR32, VIACR, 0x01, BIT0); */ |
0f8132b74
|
945 946 |
viafb_lock_crt(); |
d61e0bf38
|
947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 |
/* If K8M800, enable Prefetch Mode. */ if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) || (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K8M890)) viafb_write_reg_mask(CR33, VIACR, 0x08, BIT3); if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) && (viaparinfo->chip_info->gfx_chip_revision == CLE266_REVISION_AX)) viafb_write_reg_mask(SR1A, VIASR, 0x02, BIT1); } void viafb_load_reg(int timing_value, int viafb_load_reg_num, struct io_register *reg, int io_type) { int reg_mask; int bit_num = 0; int data; int i, j; int shift_next_reg; int start_index, end_index, cr_index; u16 get_bit; for (i = 0; i < viafb_load_reg_num; i++) { reg_mask = 0; data = 0; start_index = reg[i].start_bit; end_index = reg[i].end_bit; cr_index = reg[i].io_addr; shift_next_reg = bit_num; for (j = start_index; j <= end_index; j++) { /*if (bit_num==8) timing_value = timing_value >>8; */ reg_mask = reg_mask | (BIT0 << j); get_bit = (timing_value & (BIT0 << bit_num)); data = data | ((get_bit >> shift_next_reg) << start_index); bit_num++; } if (io_type == VIACR) viafb_write_reg_mask(cr_index, VIACR, data, reg_mask); else viafb_write_reg_mask(cr_index, VIASR, data, reg_mask); } } /* Write Registers */ void viafb_write_regx(struct io_reg RegTable[], int ItemNum) { int i; |
d61e0bf38
|
998 999 1000 |
/*DEBUG_MSG(KERN_INFO "Table Size : %x!! ",ItemNum ); */ |
384c3041a
|
1001 1002 1003 |
for (i = 0; i < ItemNum; i++) via_write_reg_mask(RegTable[i].port, RegTable[i].index, RegTable[i].value, RegTable[i].mask); |
d61e0bf38
|
1004 |
} |
d61e0bf38
|
1005 1006 1007 1008 1009 1010 1011 |
void viafb_load_fetch_count_reg(int h_addr, int bpp_byte, int set_iga) { int reg_value; int viafb_load_reg_num; struct io_register *reg = NULL; switch (set_iga) { |
d61e0bf38
|
1012 1013 1014 1015 1016 1017 |
case IGA1: reg_value = IGA1_FETCH_COUNT_FORMULA(h_addr, bpp_byte); viafb_load_reg_num = fetch_count_reg. iga1_fetch_count_reg.reg_num; reg = fetch_count_reg.iga1_fetch_count_reg.reg; viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR); |
4bbac05f8
|
1018 |
break; |
d61e0bf38
|
1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 |
case IGA2: reg_value = IGA2_FETCH_COUNT_FORMULA(h_addr, bpp_byte); viafb_load_reg_num = fetch_count_reg. iga2_fetch_count_reg.reg_num; reg = fetch_count_reg.iga2_fetch_count_reg.reg; viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR); break; } } void viafb_load_FIFO_reg(int set_iga, int hor_active, int ver_active) { int reg_value; int viafb_load_reg_num; struct io_register *reg = NULL; int iga1_fifo_max_depth = 0, iga1_fifo_threshold = 0, iga1_fifo_high_threshold = 0, iga1_display_queue_expire_num = 0; int iga2_fifo_max_depth = 0, iga2_fifo_threshold = 0, iga2_fifo_high_threshold = 0, iga2_display_queue_expire_num = 0; if (set_iga == IGA1) { if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) { iga1_fifo_max_depth = K800_IGA1_FIFO_MAX_DEPTH; iga1_fifo_threshold = K800_IGA1_FIFO_THRESHOLD; iga1_fifo_high_threshold = K800_IGA1_FIFO_HIGH_THRESHOLD; /* If resolution > 1280x1024, expire length = 64, else expire length = 128 */ if ((hor_active > 1280) && (ver_active > 1024)) iga1_display_queue_expire_num = 16; else iga1_display_queue_expire_num = K800_IGA1_DISPLAY_QUEUE_EXPIRE_NUM; } if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_PM800) { iga1_fifo_max_depth = P880_IGA1_FIFO_MAX_DEPTH; iga1_fifo_threshold = P880_IGA1_FIFO_THRESHOLD; iga1_fifo_high_threshold = P880_IGA1_FIFO_HIGH_THRESHOLD; iga1_display_queue_expire_num = P880_IGA1_DISPLAY_QUEUE_EXPIRE_NUM; /* If resolution > 1280x1024, expire length = 64, else expire length = 128 */ if ((hor_active > 1280) && (ver_active > 1024)) iga1_display_queue_expire_num = 16; else iga1_display_queue_expire_num = P880_IGA1_DISPLAY_QUEUE_EXPIRE_NUM; } if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CN700) { iga1_fifo_max_depth = CN700_IGA1_FIFO_MAX_DEPTH; iga1_fifo_threshold = CN700_IGA1_FIFO_THRESHOLD; iga1_fifo_high_threshold = CN700_IGA1_FIFO_HIGH_THRESHOLD; /* If resolution > 1280x1024, expire length = 64, else expire length = 128 */ if ((hor_active > 1280) && (ver_active > 1024)) iga1_display_queue_expire_num = 16; else iga1_display_queue_expire_num = CN700_IGA1_DISPLAY_QUEUE_EXPIRE_NUM; } if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) { iga1_fifo_max_depth = CX700_IGA1_FIFO_MAX_DEPTH; iga1_fifo_threshold = CX700_IGA1_FIFO_THRESHOLD; iga1_fifo_high_threshold = CX700_IGA1_FIFO_HIGH_THRESHOLD; iga1_display_queue_expire_num = CX700_IGA1_DISPLAY_QUEUE_EXPIRE_NUM; } if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K8M890) { iga1_fifo_max_depth = K8M890_IGA1_FIFO_MAX_DEPTH; iga1_fifo_threshold = K8M890_IGA1_FIFO_THRESHOLD; iga1_fifo_high_threshold = K8M890_IGA1_FIFO_HIGH_THRESHOLD; iga1_display_queue_expire_num = K8M890_IGA1_DISPLAY_QUEUE_EXPIRE_NUM; } if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M890) { iga1_fifo_max_depth = P4M890_IGA1_FIFO_MAX_DEPTH; iga1_fifo_threshold = P4M890_IGA1_FIFO_THRESHOLD; iga1_fifo_high_threshold = P4M890_IGA1_FIFO_HIGH_THRESHOLD; iga1_display_queue_expire_num = P4M890_IGA1_DISPLAY_QUEUE_EXPIRE_NUM; } if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M900) { iga1_fifo_max_depth = P4M900_IGA1_FIFO_MAX_DEPTH; iga1_fifo_threshold = P4M900_IGA1_FIFO_THRESHOLD; iga1_fifo_high_threshold = P4M900_IGA1_FIFO_HIGH_THRESHOLD; iga1_display_queue_expire_num = P4M900_IGA1_DISPLAY_QUEUE_EXPIRE_NUM; } if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX800) { iga1_fifo_max_depth = VX800_IGA1_FIFO_MAX_DEPTH; iga1_fifo_threshold = VX800_IGA1_FIFO_THRESHOLD; iga1_fifo_high_threshold = VX800_IGA1_FIFO_HIGH_THRESHOLD; iga1_display_queue_expire_num = VX800_IGA1_DISPLAY_QUEUE_EXPIRE_NUM; } |
0306ab11c
|
1132 1133 1134 1135 1136 1137 1138 1139 |
if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX855) { iga1_fifo_max_depth = VX855_IGA1_FIFO_MAX_DEPTH; iga1_fifo_threshold = VX855_IGA1_FIFO_THRESHOLD; iga1_fifo_high_threshold = VX855_IGA1_FIFO_HIGH_THRESHOLD; iga1_display_queue_expire_num = VX855_IGA1_DISPLAY_QUEUE_EXPIRE_NUM; } |
51f4332bb
|
1140 1141 1142 1143 1144 1145 1146 1147 |
if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX900) { iga1_fifo_max_depth = VX900_IGA1_FIFO_MAX_DEPTH; iga1_fifo_threshold = VX900_IGA1_FIFO_THRESHOLD; iga1_fifo_high_threshold = VX900_IGA1_FIFO_HIGH_THRESHOLD; iga1_display_queue_expire_num = VX900_IGA1_DISPLAY_QUEUE_EXPIRE_NUM; } |
d61e0bf38
|
1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 |
/* Set Display FIFO Depath Select */ reg_value = IGA1_FIFO_DEPTH_SELECT_FORMULA(iga1_fifo_max_depth); viafb_load_reg_num = display_fifo_depth_reg.iga1_fifo_depth_select_reg.reg_num; reg = display_fifo_depth_reg.iga1_fifo_depth_select_reg.reg; viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR); /* Set Display FIFO Threshold Select */ reg_value = IGA1_FIFO_THRESHOLD_FORMULA(iga1_fifo_threshold); viafb_load_reg_num = fifo_threshold_select_reg. iga1_fifo_threshold_select_reg.reg_num; reg = fifo_threshold_select_reg. iga1_fifo_threshold_select_reg.reg; viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR); /* Set FIFO High Threshold Select */ reg_value = IGA1_FIFO_HIGH_THRESHOLD_FORMULA(iga1_fifo_high_threshold); viafb_load_reg_num = fifo_high_threshold_select_reg. iga1_fifo_high_threshold_select_reg.reg_num; reg = fifo_high_threshold_select_reg. iga1_fifo_high_threshold_select_reg.reg; viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR); /* Set Display Queue Expire Num */ reg_value = IGA1_DISPLAY_QUEUE_EXPIRE_NUM_FORMULA (iga1_display_queue_expire_num); viafb_load_reg_num = display_queue_expire_num_reg. iga1_display_queue_expire_num_reg.reg_num; reg = display_queue_expire_num_reg. iga1_display_queue_expire_num_reg.reg; viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR); } else { if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) { iga2_fifo_max_depth = K800_IGA2_FIFO_MAX_DEPTH; iga2_fifo_threshold = K800_IGA2_FIFO_THRESHOLD; iga2_fifo_high_threshold = K800_IGA2_FIFO_HIGH_THRESHOLD; /* If resolution > 1280x1024, expire length = 64, else expire length = 128 */ if ((hor_active > 1280) && (ver_active > 1024)) iga2_display_queue_expire_num = 16; else iga2_display_queue_expire_num = K800_IGA2_DISPLAY_QUEUE_EXPIRE_NUM; } if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_PM800) { iga2_fifo_max_depth = P880_IGA2_FIFO_MAX_DEPTH; iga2_fifo_threshold = P880_IGA2_FIFO_THRESHOLD; iga2_fifo_high_threshold = P880_IGA2_FIFO_HIGH_THRESHOLD; /* If resolution > 1280x1024, expire length = 64, else expire length = 128 */ if ((hor_active > 1280) && (ver_active > 1024)) iga2_display_queue_expire_num = 16; else iga2_display_queue_expire_num = P880_IGA2_DISPLAY_QUEUE_EXPIRE_NUM; } if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CN700) { iga2_fifo_max_depth = CN700_IGA2_FIFO_MAX_DEPTH; iga2_fifo_threshold = CN700_IGA2_FIFO_THRESHOLD; iga2_fifo_high_threshold = CN700_IGA2_FIFO_HIGH_THRESHOLD; /* If resolution > 1280x1024, expire length = 64, else expire length = 128 */ if ((hor_active > 1280) && (ver_active > 1024)) iga2_display_queue_expire_num = 16; else iga2_display_queue_expire_num = CN700_IGA2_DISPLAY_QUEUE_EXPIRE_NUM; } if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) { iga2_fifo_max_depth = CX700_IGA2_FIFO_MAX_DEPTH; iga2_fifo_threshold = CX700_IGA2_FIFO_THRESHOLD; iga2_fifo_high_threshold = CX700_IGA2_FIFO_HIGH_THRESHOLD; iga2_display_queue_expire_num = CX700_IGA2_DISPLAY_QUEUE_EXPIRE_NUM; } if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K8M890) { iga2_fifo_max_depth = K8M890_IGA2_FIFO_MAX_DEPTH; iga2_fifo_threshold = K8M890_IGA2_FIFO_THRESHOLD; iga2_fifo_high_threshold = K8M890_IGA2_FIFO_HIGH_THRESHOLD; iga2_display_queue_expire_num = K8M890_IGA2_DISPLAY_QUEUE_EXPIRE_NUM; } if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M890) { iga2_fifo_max_depth = P4M890_IGA2_FIFO_MAX_DEPTH; iga2_fifo_threshold = P4M890_IGA2_FIFO_THRESHOLD; iga2_fifo_high_threshold = P4M890_IGA2_FIFO_HIGH_THRESHOLD; iga2_display_queue_expire_num = P4M890_IGA2_DISPLAY_QUEUE_EXPIRE_NUM; } if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M900) { iga2_fifo_max_depth = P4M900_IGA2_FIFO_MAX_DEPTH; iga2_fifo_threshold = P4M900_IGA2_FIFO_THRESHOLD; iga2_fifo_high_threshold = P4M900_IGA2_FIFO_HIGH_THRESHOLD; iga2_display_queue_expire_num = P4M900_IGA2_DISPLAY_QUEUE_EXPIRE_NUM; } if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX800) { iga2_fifo_max_depth = VX800_IGA2_FIFO_MAX_DEPTH; iga2_fifo_threshold = VX800_IGA2_FIFO_THRESHOLD; iga2_fifo_high_threshold = VX800_IGA2_FIFO_HIGH_THRESHOLD; iga2_display_queue_expire_num = VX800_IGA2_DISPLAY_QUEUE_EXPIRE_NUM; } |
0306ab11c
|
1278 1279 1280 1281 1282 1283 1284 1285 |
if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX855) { iga2_fifo_max_depth = VX855_IGA2_FIFO_MAX_DEPTH; iga2_fifo_threshold = VX855_IGA2_FIFO_THRESHOLD; iga2_fifo_high_threshold = VX855_IGA2_FIFO_HIGH_THRESHOLD; iga2_display_queue_expire_num = VX855_IGA2_DISPLAY_QUEUE_EXPIRE_NUM; } |
51f4332bb
|
1286 1287 1288 1289 1290 1291 1292 1293 |
if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX900) { iga2_fifo_max_depth = VX900_IGA2_FIFO_MAX_DEPTH; iga2_fifo_threshold = VX900_IGA2_FIFO_THRESHOLD; iga2_fifo_high_threshold = VX900_IGA2_FIFO_HIGH_THRESHOLD; iga2_display_queue_expire_num = VX900_IGA2_DISPLAY_QUEUE_EXPIRE_NUM; } |
d61e0bf38
|
1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 |
if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) { /* Set Display FIFO Depath Select */ reg_value = IGA2_FIFO_DEPTH_SELECT_FORMULA(iga2_fifo_max_depth) - 1; /* Patch LCD in IGA2 case */ viafb_load_reg_num = display_fifo_depth_reg. iga2_fifo_depth_select_reg.reg_num; reg = display_fifo_depth_reg. iga2_fifo_depth_select_reg.reg; viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR); } else { /* Set Display FIFO Depath Select */ reg_value = IGA2_FIFO_DEPTH_SELECT_FORMULA(iga2_fifo_max_depth); viafb_load_reg_num = display_fifo_depth_reg. iga2_fifo_depth_select_reg.reg_num; reg = display_fifo_depth_reg. iga2_fifo_depth_select_reg.reg; viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR); } /* Set Display FIFO Threshold Select */ reg_value = IGA2_FIFO_THRESHOLD_FORMULA(iga2_fifo_threshold); viafb_load_reg_num = fifo_threshold_select_reg. iga2_fifo_threshold_select_reg.reg_num; reg = fifo_threshold_select_reg. iga2_fifo_threshold_select_reg.reg; viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR); /* Set FIFO High Threshold Select */ reg_value = IGA2_FIFO_HIGH_THRESHOLD_FORMULA(iga2_fifo_high_threshold); viafb_load_reg_num = fifo_high_threshold_select_reg. iga2_fifo_high_threshold_select_reg.reg_num; reg = fifo_high_threshold_select_reg. iga2_fifo_high_threshold_select_reg.reg; viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR); /* Set Display Queue Expire Num */ reg_value = IGA2_DISPLAY_QUEUE_EXPIRE_NUM_FORMULA (iga2_display_queue_expire_num); viafb_load_reg_num = display_queue_expire_num_reg. iga2_display_queue_expire_num_reg.reg_num; reg = display_queue_expire_num_reg. iga2_display_queue_expire_num_reg.reg; viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR); } } |
2c536f84c
|
1359 |
static struct via_pll_config get_pll_config(struct pll_limit *limits, int size, |
e4fcaeff4
|
1360 1361 |
int clk) { |
2c536f84c
|
1362 |
struct via_pll_config cur, up, down, best = {0, 1, 0}; |
e4fcaeff4
|
1363 |
const u32 f0 = 14318180; /* X1 frequency */ |
eb0536c5e
|
1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 |
int i, f; for (i = 0; i < size; i++) { cur.rshift = limits[i].rshift; cur.divisor = limits[i].divisor; cur.multiplier = clk / ((f0 / cur.divisor)>>cur.rshift); f = abs(get_pll_output_frequency(f0, cur) - clk); up = down = cur; up.multiplier++; down.multiplier--; if (abs(get_pll_output_frequency(f0, up) - clk) < f) cur = up; else if (abs(get_pll_output_frequency(f0, down) - clk) < f) cur = down; if (cur.multiplier < limits[i].multiplier_min) cur.multiplier = limits[i].multiplier_min; else if (cur.multiplier > limits[i].multiplier_max) cur.multiplier = limits[i].multiplier_max; f = abs(get_pll_output_frequency(f0, cur) - clk); if (f < abs(get_pll_output_frequency(f0, best) - clk)) best = cur; |
97597a397
|
1387 |
} |
1f8443509
|
1388 |
|
e4fcaeff4
|
1389 1390 |
return best; } |
1f8443509
|
1391 |
|
2c536f84c
|
1392 |
static struct via_pll_config get_best_pll_config(int clk) |
e4fcaeff4
|
1393 |
{ |
2c536f84c
|
1394 |
struct via_pll_config config; |
e4fcaeff4
|
1395 |
|
97597a397
|
1396 1397 1398 |
switch (viaparinfo->chip_info->gfx_chip_name) { case UNICHROME_CLE266: case UNICHROME_K400: |
0f77d4a05
|
1399 1400 |
config = get_pll_config(cle266_pll_limits, ARRAY_SIZE(cle266_pll_limits), clk); |
97597a397
|
1401 1402 1403 1404 |
break; case UNICHROME_K800: case UNICHROME_PM800: case UNICHROME_CN700: |
0f77d4a05
|
1405 1406 |
config = get_pll_config(k800_pll_limits, ARRAY_SIZE(k800_pll_limits), clk); |
97597a397
|
1407 1408 1409 1410 1411 1412 1413 |
break; case UNICHROME_CX700: case UNICHROME_CN750: case UNICHROME_K8M890: case UNICHROME_P4M890: case UNICHROME_P4M900: case UNICHROME_VX800: |
0f77d4a05
|
1414 1415 |
config = get_pll_config(cx700_pll_limits, ARRAY_SIZE(cx700_pll_limits), clk); |
97597a397
|
1416 1417 1418 |
break; case UNICHROME_VX855: case UNICHROME_VX900: |
0f77d4a05
|
1419 1420 |
config = get_pll_config(vx855_pll_limits, ARRAY_SIZE(vx855_pll_limits), clk); |
97597a397
|
1421 |
break; |
d61e0bf38
|
1422 |
} |
0f77d4a05
|
1423 |
return config; |
d61e0bf38
|
1424 1425 1426 |
} /* Set VCLK*/ |
1f8443509
|
1427 |
void viafb_set_vclock(u32 clk, int set_iga) |
d61e0bf38
|
1428 |
{ |
2c536f84c
|
1429 |
struct via_pll_config config = get_best_pll_config(clk); |
d61e0bf38
|
1430 |
|
2c536f84c
|
1431 1432 1433 1434 |
if (set_iga == IGA1) clock.set_primary_pll(config); if (set_iga == IGA2) clock.set_secondary_pll(config); |
d61e0bf38
|
1435 1436 |
/* Fire! */ |
162fc8c0c
|
1437 |
via_write_misc_reg_mask(0x0C, 0x0C); /* select external clock */ |
d61e0bf38
|
1438 |
} |
ebb29fb47
|
1439 |
static struct display_timing var_to_timing(const struct fb_var_screeninfo *var) |
d61e0bf38
|
1440 |
{ |
ebb29fb47
|
1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 |
struct display_timing timing; timing.hor_addr = var->xres; timing.hor_sync_start = timing.hor_addr + var->right_margin; timing.hor_sync_end = timing.hor_sync_start + var->hsync_len; timing.hor_total = timing.hor_sync_end + var->left_margin; timing.hor_blank_start = timing.hor_addr; timing.hor_blank_end = timing.hor_total; timing.ver_addr = var->yres; timing.ver_sync_start = timing.ver_addr + var->lower_margin; timing.ver_sync_end = timing.ver_sync_start + var->vsync_len; timing.ver_total = timing.ver_sync_end + var->upper_margin; timing.ver_blank_start = timing.ver_addr; timing.ver_blank_end = timing.ver_total; return timing; } |
d61e0bf38
|
1457 |
|
ebb29fb47
|
1458 1459 1460 |
void viafb_fill_crtc_timing(const struct fb_var_screeninfo *var, int iga) { struct display_timing crt_reg = var_to_timing(var); |
d61e0bf38
|
1461 |
|
ebb29fb47
|
1462 |
if (iga == IGA1) |
f18e3e0ce
|
1463 |
via_set_primary_timing(&crt_reg); |
ebb29fb47
|
1464 |
else if (iga == IGA2) |
f18e3e0ce
|
1465 |
via_set_secondary_timing(&crt_reg); |
d61e0bf38
|
1466 |
|
ebb29fb47
|
1467 1468 1469 1470 |
viafb_load_fetch_count_reg(var->xres, var->bits_per_pixel / 8, iga); if (viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266 && viaparinfo->chip_info->gfx_chip_name != UNICHROME_K400) viafb_load_FIFO_reg(iga, var->xres, var->yres); |
d61e0bf38
|
1471 |
|
ebb29fb47
|
1472 |
viafb_set_vclock(PICOS2KHZ(var->pixclock) * 1000, iga); |
d61e0bf38
|
1473 |
} |
f4ab2f7a2
|
1474 |
void __devinit viafb_init_chip_info(int chip_type) |
d61e0bf38
|
1475 |
{ |
2c536f84c
|
1476 |
via_clock_init(&clock, chip_type); |
24b4d82e4
|
1477 |
init_gfx_chip_info(chip_type); |
d61e0bf38
|
1478 1479 |
init_tmds_chip_info(); init_lvds_chip_info(); |
d61e0bf38
|
1480 1481 1482 1483 |
/*Set IGA path for each device */ viafb_set_iga_path(); viaparinfo->lvds_setting_info->display_method = viafb_lcd_dsp_method; |
d61e0bf38
|
1484 1485 1486 1487 1488 1489 |
viaparinfo->lvds_setting_info->lcd_mode = viafb_lcd_mode; viaparinfo->lvds_setting_info2->display_method = viaparinfo->lvds_setting_info->display_method; viaparinfo->lvds_setting_info2->lcd_mode = viaparinfo->lvds_setting_info->lcd_mode; } |
726abbc79
|
1490 |
void viafb_update_device_setting(int hres, int vres, int bpp, int flag) |
d61e0bf38
|
1491 1492 |
{ if (flag == 0) { |
d61e0bf38
|
1493 1494 |
viaparinfo->tmds_setting_info->h_active = hres; viaparinfo->tmds_setting_info->v_active = vres; |
d61e0bf38
|
1495 1496 1497 1498 |
viaparinfo->lvds_setting_info->h_active = hres; viaparinfo->lvds_setting_info->v_active = vres; viaparinfo->lvds_setting_info->bpp = bpp; |
d61e0bf38
|
1499 1500 1501 |
viaparinfo->lvds_setting_info2->h_active = hres; viaparinfo->lvds_setting_info2->v_active = vres; viaparinfo->lvds_setting_info2->bpp = bpp; |
d61e0bf38
|
1502 1503 1504 1505 1506 |
} else { if (viaparinfo->tmds_setting_info->iga_path == IGA2) { viaparinfo->tmds_setting_info->h_active = hres; viaparinfo->tmds_setting_info->v_active = vres; |
d61e0bf38
|
1507 1508 1509 1510 1511 1512 |
} if (viaparinfo->lvds_setting_info->iga_path == IGA2) { viaparinfo->lvds_setting_info->h_active = hres; viaparinfo->lvds_setting_info->v_active = vres; viaparinfo->lvds_setting_info->bpp = bpp; |
d61e0bf38
|
1513 1514 1515 1516 1517 |
} if (IGA2 == viaparinfo->lvds_setting_info2->iga_path) { viaparinfo->lvds_setting_info2->h_active = hres; viaparinfo->lvds_setting_info2->v_active = vres; viaparinfo->lvds_setting_info2->bpp = bpp; |
d61e0bf38
|
1518 1519 1520 |
} } } |
f4ab2f7a2
|
1521 |
static void __devinit init_gfx_chip_info(int chip_type) |
d61e0bf38
|
1522 |
{ |
d61e0bf38
|
1523 |
u8 tmp; |
24b4d82e4
|
1524 |
viaparinfo->chip_info->gfx_chip_name = chip_type; |
d61e0bf38
|
1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 |
/* Check revision of CLE266 Chip */ if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) { /* CR4F only define in CLE266.CX chip */ tmp = viafb_read_reg(VIACR, CR4F); viafb_write_reg(CR4F, VIACR, 0x55); if (viafb_read_reg(VIACR, CR4F) != 0x55) viaparinfo->chip_info->gfx_chip_revision = CLE266_REVISION_AX; else viaparinfo->chip_info->gfx_chip_revision = CLE266_REVISION_CX; /* restore orignal CR4F value */ viafb_write_reg(CR4F, VIACR, tmp); } if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) { tmp = viafb_read_reg(VIASR, SR43); DEBUG_MSG(KERN_INFO "SR43:%X ", tmp); if (tmp & 0x02) { viaparinfo->chip_info->gfx_chip_revision = CX700_REVISION_700M2; } else if (tmp & 0x40) { viaparinfo->chip_info->gfx_chip_revision = CX700_REVISION_700M; } else { viaparinfo->chip_info->gfx_chip_revision = CX700_REVISION_700; } } |
107ea34db
|
1556 1557 1558 1559 1560 |
/* Determine which 2D engine we have */ switch (viaparinfo->chip_info->gfx_chip_name) { case UNICHROME_VX800: case UNICHROME_VX855: |
51f4332bb
|
1561 |
case UNICHROME_VX900: |
107ea34db
|
1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 |
viaparinfo->chip_info->twod_engine = VIA_2D_ENG_M1; break; case UNICHROME_K8M890: case UNICHROME_P4M900: viaparinfo->chip_info->twod_engine = VIA_2D_ENG_H5; break; default: viaparinfo->chip_info->twod_engine = VIA_2D_ENG_H2; break; } |
d61e0bf38
|
1572 |
} |
f4ab2f7a2
|
1573 |
static void __devinit init_tmds_chip_info(void) |
d61e0bf38
|
1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 |
{ viafb_tmds_trasmitter_identify(); if (INTERFACE_NONE == viaparinfo->chip_info->tmds_chip_info. output_interface) { switch (viaparinfo->chip_info->gfx_chip_name) { case UNICHROME_CX700: { /* we should check support by hardware layout.*/ if ((viafb_display_hardware_layout == HW_LAYOUT_DVI_ONLY) || (viafb_display_hardware_layout == HW_LAYOUT_LCD_DVI)) { viaparinfo->chip_info->tmds_chip_info. output_interface = INTERFACE_TMDS; } else { viaparinfo->chip_info->tmds_chip_info. output_interface = INTERFACE_NONE; } break; } case UNICHROME_K8M890: case UNICHROME_P4M900: case UNICHROME_P4M890: /* TMDS on PCIE, we set DFPLOW as default. */ viaparinfo->chip_info->tmds_chip_info.output_interface = INTERFACE_DFP_LOW; break; default: { /* set DVP1 default for DVI */ viaparinfo->chip_info->tmds_chip_info .output_interface = INTERFACE_DVP1; } } } DEBUG_MSG(KERN_INFO "TMDS Chip = %d ", viaparinfo->chip_info->tmds_chip_info.tmds_chip_name); |
c5f06f5cd
|
1615 1616 |
viafb_init_dvi_size(&viaparinfo->shared->chip_info.tmds_chip_info, &viaparinfo->shared->tmds_setting_info); |
d61e0bf38
|
1617 |
} |
f4ab2f7a2
|
1618 |
static void __devinit init_lvds_chip_info(void) |
d61e0bf38
|
1619 |
{ |
d61e0bf38
|
1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 |
viafb_lvds_trasmitter_identify(); viafb_init_lcd_size(); viafb_init_lvds_output_interface(&viaparinfo->chip_info->lvds_chip_info, viaparinfo->lvds_setting_info); if (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) { viafb_init_lvds_output_interface(&viaparinfo->chip_info-> lvds_chip_info2, viaparinfo->lvds_setting_info2); } /*If CX700,two singel LCD, we need to reassign LCD interface to different LVDS port */ if ((UNICHROME_CX700 == viaparinfo->chip_info->gfx_chip_name) && (HW_LAYOUT_LCD1_LCD2 == viafb_display_hardware_layout)) { if ((INTEGRATED_LVDS == viaparinfo->chip_info->lvds_chip_info. lvds_chip_name) && (INTEGRATED_LVDS == viaparinfo->chip_info-> lvds_chip_info2.lvds_chip_name)) { viaparinfo->chip_info->lvds_chip_info.output_interface = INTERFACE_LVDS0; viaparinfo->chip_info->lvds_chip_info2. output_interface = INTERFACE_LVDS1; } } DEBUG_MSG(KERN_INFO "LVDS Chip = %d ", viaparinfo->chip_info->lvds_chip_info.lvds_chip_name); DEBUG_MSG(KERN_INFO "LVDS1 output_interface = %d ", viaparinfo->chip_info->lvds_chip_info.output_interface); DEBUG_MSG(KERN_INFO "LVDS2 output_interface = %d ", viaparinfo->chip_info->lvds_chip_info.output_interface); } |
f4ab2f7a2
|
1654 |
void __devinit viafb_init_dac(int set_iga) |
d61e0bf38
|
1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 |
{ int i; u8 tmp; if (set_iga == IGA1) { /* access Primary Display's LUT */ viafb_write_reg_mask(SR1A, VIASR, 0x00, BIT0); /* turn off LCK */ viafb_write_reg_mask(SR1B, VIASR, 0x00, BIT7 + BIT6); for (i = 0; i < 256; i++) { write_dac_reg(i, palLUT_table[i].red, palLUT_table[i].green, palLUT_table[i].blue); } /* turn on LCK */ viafb_write_reg_mask(SR1B, VIASR, 0xC0, BIT7 + BIT6); } else { tmp = viafb_read_reg(VIACR, CR6A); /* access Secondary Display's LUT */ viafb_write_reg_mask(CR6A, VIACR, 0x40, BIT6); viafb_write_reg_mask(SR1A, VIASR, 0x01, BIT0); for (i = 0; i < 256; i++) { write_dac_reg(i, palLUT_table[i].red, palLUT_table[i].green, palLUT_table[i].blue); } /* set IGA1 DAC for default */ viafb_write_reg_mask(SR1A, VIASR, 0x00, BIT0); viafb_write_reg(CR6A, VIACR, tmp); } } static void device_screen_off(void) { /* turn off CRT screen (IGA1) */ viafb_write_reg_mask(SR01, VIASR, 0x20, BIT5); } static void device_screen_on(void) { /* turn on CRT screen (IGA1) */ viafb_write_reg_mask(SR01, VIASR, 0x00, BIT5); } static void set_display_channel(void) { /*If viafb_LCD2_ON, on cx700, internal lvds's information is keeped on lvds_setting_info2 */ if (viafb_LCD2_ON && viaparinfo->lvds_setting_info2->device_lcd_dualedge) { /* For dual channel LCD: */ /* Set to Dual LVDS channel. */ viafb_write_reg_mask(CRD2, VIACR, 0x20, BIT4 + BIT5); } else if (viafb_LCD_ON && viafb_DVI_ON) { /* For LCD+DFP: */ /* Set to LVDS1 + TMDS channel. */ viafb_write_reg_mask(CRD2, VIACR, 0x10, BIT4 + BIT5); } else if (viafb_DVI_ON) { /* Set to single TMDS channel. */ viafb_write_reg_mask(CRD2, VIACR, 0x30, BIT4 + BIT5); } else if (viafb_LCD_ON) { if (viaparinfo->lvds_setting_info->device_lcd_dualedge) { /* For dual channel LCD: */ /* Set to Dual LVDS channel. */ viafb_write_reg_mask(CRD2, VIACR, 0x20, BIT4 + BIT5); } else { /* Set to LVDS0 + LVDS1 channel. */ viafb_write_reg_mask(CRD2, VIACR, 0x00, BIT4 + BIT5); } } } |
2e1abbdd1
|
1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 |
static u8 get_sync(struct fb_info *info) { u8 polarity = 0; if (!(info->var.sync & FB_SYNC_HOR_HIGH_ACT)) polarity |= VIA_HSYNC_NEGATIVE; if (!(info->var.sync & FB_SYNC_VERT_HIGH_ACT)) polarity |= VIA_VSYNC_NEGATIVE; return polarity; } |
4fbf4bfe6
|
1736 |
static void hw_init(void) |
d61e0bf38
|
1737 |
{ |
4fbf4bfe6
|
1738 |
int i; |
d61e0bf38
|
1739 1740 1741 1742 1743 |
inb(VIAStatus); outb(0x00, VIAAR); /* Write Common Setting for Video Mode */ |
95d517cfc
|
1744 |
viafb_write_regx(common_vga, ARRAY_SIZE(common_vga)); |
d61e0bf38
|
1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 |
switch (viaparinfo->chip_info->gfx_chip_name) { case UNICHROME_CLE266: viafb_write_regx(CLE266_ModeXregs, NUM_TOTAL_CLE266_ModeXregs); break; case UNICHROME_K400: viafb_write_regx(KM400_ModeXregs, NUM_TOTAL_KM400_ModeXregs); break; case UNICHROME_K800: case UNICHROME_PM800: viafb_write_regx(CN400_ModeXregs, NUM_TOTAL_CN400_ModeXregs); break; case UNICHROME_CN700: case UNICHROME_K8M890: case UNICHROME_P4M890: case UNICHROME_P4M900: viafb_write_regx(CN700_ModeXregs, NUM_TOTAL_CN700_ModeXregs); break; case UNICHROME_CX700: |
d61e0bf38
|
1767 |
case UNICHROME_VX800: |
0e3ca33ac
|
1768 |
viafb_write_regx(CX700_ModeXregs, NUM_TOTAL_CX700_ModeXregs); |
d61e0bf38
|
1769 |
break; |
0306ab11c
|
1770 1771 |
case UNICHROME_VX855: |
51f4332bb
|
1772 |
case UNICHROME_VX900: |
0306ab11c
|
1773 1774 |
viafb_write_regx(VX855_ModeXregs, NUM_TOTAL_VX855_ModeXregs); break; |
d61e0bf38
|
1775 |
} |
4fbf4bfe6
|
1776 |
/* probably this should go to the scaling code one day */ |
bf5ea02d9
|
1777 |
viafb_write_regx(scaling_parameters, ARRAY_SIZE(scaling_parameters)); |
d61e0bf38
|
1778 1779 1780 |
/* Fill VPIT Parameters */ /* Write Misc Register */ |
162fc8c0c
|
1781 |
outb(VPIT.Misc, VIA_MISC_REG_WRITE); |
d61e0bf38
|
1782 1783 |
/* Write Sequencer */ |
384c3041a
|
1784 1785 |
for (i = 1; i <= StdSR; i++) via_write_reg(VIASR, i, VPIT.SR[i - 1]); |
d61e0bf38
|
1786 |
|
415559fbf
|
1787 |
viafb_write_reg_mask(0x15, VIASR, 0xA2, 0xA2); |
d61e0bf38
|
1788 |
|
d61e0bf38
|
1789 |
/* Write Graphic Controller */ |
384c3041a
|
1790 1791 |
for (i = 0; i < StdGR; i++) via_write_reg(VIAGR, i, VPIT.GR[i]); |
d61e0bf38
|
1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 |
/* Write Attribute Controller */ for (i = 0; i < StdAR; i++) { inb(VIAStatus); outb(i, VIAAR); outb(VPIT.AR[i], VIAAR); } inb(VIAStatus); outb(0x20, VIAAR); |
4fbf4bfe6
|
1802 1803 |
load_fix_bit_crtc_reg(); } |
5dd72f12d
|
1804 |
int viafb_setmode(int video_bpp, int video_bpp1) |
4fbf4bfe6
|
1805 1806 1807 1808 1809 1810 |
{ int j; int port; u32 devices = viaparinfo->shared->iga1_devices | viaparinfo->shared->iga2_devices; u8 value, index, mask; |
4fbf4bfe6
|
1811 1812 1813 |
struct fb_var_screeninfo var2; device_screen_off(); |
4fbf4bfe6
|
1814 1815 1816 1817 |
device_off(); via_set_state(devices, VIA_STATE_OFF); hw_init(); |
d61e0bf38
|
1818 |
/* Update Patch Register */ |
dd73d6868
|
1819 |
if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266 |
5dd72f12d
|
1820 1821 |
|| viaparinfo->chip_info->gfx_chip_name == UNICHROME_K400) && viafbinfo->var.xres == 1024 && viafbinfo->var.yres == 768) { |
dd73d6868
|
1822 1823 1824 1825 1826 1827 |
for (j = 0; j < res_patch_table[0].table_length; j++) { index = res_patch_table[0].io_reg_table[j].index; port = res_patch_table[0].io_reg_table[j].port; value = res_patch_table[0].io_reg_table[j].value; mask = res_patch_table[0].io_reg_table[j].mask; viafb_write_reg_mask(index, port, value, mask); |
d61e0bf38
|
1828 1829 |
} } |
2749413db
|
1830 1831 |
via_set_primary_pitch(viafbinfo->fix.line_length); via_set_secondary_pitch(viafb_dual_fb ? viafbinfo1->fix.line_length |
2d6e8851f
|
1832 |
: viafbinfo->fix.line_length); |
2749413db
|
1833 1834 |
via_set_primary_color_depth(viaparinfo->depth); via_set_secondary_color_depth(viafb_dual_fb ? viaparinfo1->depth |
daacccd16
|
1835 |
: viaparinfo->depth); |
bc6848875
|
1836 1837 1838 1839 1840 1841 |
via_set_source(viaparinfo->shared->iga1_devices, IGA1); via_set_source(viaparinfo->shared->iga2_devices, IGA2); if (viaparinfo->shared->iga2_devices) enable_second_display_channel(); else disable_second_display_channel(); |
d61e0bf38
|
1842 1843 1844 |
/* Update Refresh Rate Setting */ /* Clear On Screen */ |
ebb29fb47
|
1845 1846 1847 1848 |
if (viafb_dual_fb) { var2 = viafbinfo1->var; } else if (viafb_SAMM_ON) { viafb_fill_var_timing_info(&var2, viafb_get_best_mode( |
5dd72f12d
|
1849 |
viafb_second_xres, viafb_second_yres, viafb_refresh1)); |
ebb29fb47
|
1850 1851 |
var2.bits_per_pixel = viafbinfo->var.bits_per_pixel; } |
d61e0bf38
|
1852 1853 |
/* CRT set mode */ if (viafb_CRT_ON) { |
ebb29fb47
|
1854 1855 1856 1857 1858 |
if (viaparinfo->shared->iga2_devices & VIA_CRT && viafb_SAMM_ON) viafb_fill_crtc_timing(&var2, IGA2); else viafb_fill_crtc_timing(&viafbinfo->var, |
0523656ee
|
1859 1860 |
(viaparinfo->shared->iga1_devices & VIA_CRT) ? IGA1 : IGA2); |
d61e0bf38
|
1861 |
|
d61e0bf38
|
1862 1863 1864 |
/* Patch if set_hres is not 8 alignment (1366) to viafb_setmode to 8 alignment (1368),there is several pixels (2 pixels) on right side of screen. */ |
5dd72f12d
|
1865 |
if (viafbinfo->var.xres % 8) { |
d61e0bf38
|
1866 1867 1868 1869 1870 1871 1872 1873 |
viafb_unlock_crt(); viafb_write_reg(CR02, VIACR, viafb_read_reg(VIACR, CR02) - 1); viafb_lock_crt(); } } if (viafb_DVI_ON) { |
ebb29fb47
|
1874 1875 1876 1877 1878 1879 |
if (viaparinfo->shared->tmds_setting_info.iga_path == IGA2 && viafb_SAMM_ON) viafb_dvi_set_mode(&var2, IGA2); else viafb_dvi_set_mode(&viafbinfo->var, viaparinfo->tmds_setting_info->iga_path); |
d61e0bf38
|
1880 1881 1882 1883 1884 1885 |
} if (viafb_LCD_ON) { if (viafb_SAMM_ON && (viaparinfo->lvds_setting_info->iga_path == IGA2)) { viaparinfo->lvds_setting_info->bpp = video_bpp1; |
bfe7d5f93
|
1886 1887 |
viafb_lcd_set_mode(viaparinfo->lvds_setting_info, &viaparinfo->chip_info->lvds_chip_info); |
d61e0bf38
|
1888 1889 1890 1891 1892 1893 1894 |
} else { /* IGA1 doesn't have LCD scaling, so set it center. */ if (viaparinfo->lvds_setting_info->iga_path == IGA1) { viaparinfo->lvds_setting_info->display_method = LCD_CENTERING; } viaparinfo->lvds_setting_info->bpp = video_bpp; |
bfe7d5f93
|
1895 1896 |
viafb_lcd_set_mode(viaparinfo->lvds_setting_info, &viaparinfo->chip_info->lvds_chip_info); |
d61e0bf38
|
1897 1898 1899 1900 1901 1902 |
} } if (viafb_LCD2_ON) { if (viafb_SAMM_ON && (viaparinfo->lvds_setting_info2->iga_path == IGA2)) { viaparinfo->lvds_setting_info2->bpp = video_bpp1; |
bfe7d5f93
|
1903 1904 |
viafb_lcd_set_mode(viaparinfo->lvds_setting_info2, &viaparinfo->chip_info->lvds_chip_info2); |
d61e0bf38
|
1905 1906 1907 1908 1909 1910 1911 |
} else { /* IGA1 doesn't have LCD scaling, so set it center. */ if (viaparinfo->lvds_setting_info2->iga_path == IGA1) { viaparinfo->lvds_setting_info2->display_method = LCD_CENTERING; } viaparinfo->lvds_setting_info2->bpp = video_bpp; |
bfe7d5f93
|
1912 1913 |
viafb_lcd_set_mode(viaparinfo->lvds_setting_info2, &viaparinfo->chip_info->lvds_chip_info2); |
d61e0bf38
|
1914 1915 1916 1917 1918 1919 1920 1921 1922 |
} } if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) && (viafb_LCD_ON || viafb_DVI_ON)) set_display_channel(); /* If set mode normally, save resolution information for hot-plug . */ if (!viafb_hotplug) { |
5dd72f12d
|
1923 1924 |
viafb_hotplug_Xres = viafbinfo->var.xres; viafb_hotplug_Yres = viafbinfo->var.yres; |
d61e0bf38
|
1925 1926 1927 1928 1929 1930 1931 1932 1933 |
viafb_hotplug_bpp = video_bpp; viafb_hotplug_refresh = viafb_refresh; if (viafb_DVI_ON) viafb_DeviceStatus = DVI_Device; else viafb_DeviceStatus = CRT_Device; } device_on(); |
2e1abbdd1
|
1934 1935 1936 1937 1938 1939 1940 1941 |
if (!viafb_dual_fb) via_set_sync_polarity(devices, get_sync(viafbinfo)); else { via_set_sync_polarity(viaparinfo->shared->iga1_devices, get_sync(viafbinfo)); via_set_sync_polarity(viaparinfo->shared->iga2_devices, get_sync(viafbinfo1)); } |
bea02e458
|
1942 |
clock.set_engine_pll_state(VIA_STATE_ON); |
b692a63af
|
1943 1944 |
clock.set_primary_clock_source(VIA_CLKSRC_X1, true); clock.set_secondary_clock_source(VIA_CLKSRC_X1, true); |
2946294f9
|
1945 1946 1947 1948 1949 1950 |
#ifdef CONFIG_FB_VIA_X_COMPATIBILITY clock.set_primary_pll_state(VIA_STATE_ON); clock.set_primary_clock_state(VIA_STATE_ON); clock.set_secondary_pll_state(VIA_STATE_ON); clock.set_secondary_clock_state(VIA_STATE_ON); #else |
b692a63af
|
1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 |
if (viaparinfo->shared->iga1_devices) { clock.set_primary_pll_state(VIA_STATE_ON); clock.set_primary_clock_state(VIA_STATE_ON); } else { clock.set_primary_pll_state(VIA_STATE_OFF); clock.set_primary_clock_state(VIA_STATE_OFF); } if (viaparinfo->shared->iga2_devices) { clock.set_secondary_pll_state(VIA_STATE_ON); clock.set_secondary_clock_state(VIA_STATE_ON); } else { clock.set_secondary_pll_state(VIA_STATE_OFF); clock.set_secondary_clock_state(VIA_STATE_OFF); } |
2946294f9
|
1966 |
#endif /*CONFIG_FB_VIA_X_COMPATIBILITY*/ |
b692a63af
|
1967 |
|
6f9422d4e
|
1968 |
via_set_state(devices, VIA_STATE_ON); |
d61e0bf38
|
1969 1970 1971 |
device_screen_on(); return 1; } |
d61e0bf38
|
1972 1973 |
int viafb_get_refresh(int hres, int vres, u32 long_refresh) { |
f5b1c4b3b
|
1974 |
struct crt_mode_table *best; |
f5b1c4b3b
|
1975 |
|
94715ba97
|
1976 1977 |
best = viafb_get_best_mode(hres, vres, long_refresh); if (!best) |
f5b1c4b3b
|
1978 |
return 60; |
b4ce6a285
|
1979 1980 |
if (abs(best->refresh_rate - long_refresh) > 3) { if (hres == 1200 && vres == 900) |
c5a4e6d72
|
1981 |
return 49; /* OLPC DCON only supports 50 Hz */ |
b4ce6a285
|
1982 1983 1984 |
else return 60; } |
f5b1c4b3b
|
1985 1986 |
return best->refresh_rate; |
d61e0bf38
|
1987 1988 1989 1990 |
} static void device_off(void) { |
d61e0bf38
|
1991 1992 1993 1994 1995 1996 |
viafb_dvi_disable(); viafb_lcd_disable(); } static void device_on(void) { |
d61e0bf38
|
1997 1998 1999 2000 2001 |
if (viafb_DVI_ON == 1) viafb_dvi_enable(); if (viafb_LCD_ON == 1) viafb_lcd_enable(); } |
d61e0bf38
|
2002 2003 2004 2005 2006 2007 2008 |
static void enable_second_display_channel(void) { /* to enable second display channel. */ viafb_write_reg_mask(CR6A, VIACR, 0x00, BIT6); viafb_write_reg_mask(CR6A, VIACR, BIT7, BIT7); viafb_write_reg_mask(CR6A, VIACR, BIT6, BIT6); } |
bc6848875
|
2009 2010 2011 2012 2013 2014 2015 |
static void disable_second_display_channel(void) { /* to disable second display channel. */ viafb_write_reg_mask(CR6A, VIACR, 0x00, BIT6); viafb_write_reg_mask(CR6A, VIACR, 0x00, BIT7); viafb_write_reg_mask(CR6A, VIACR, BIT6, BIT6); } |
d61e0bf38
|
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 |
void viafb_set_dpa_gfx(int output_interface, struct GFX_DPA_SETTING\ *p_gfx_dpa_setting) { switch (output_interface) { case INTERFACE_DVP0: { /* DVP0 Clock Polarity and Adjust: */ viafb_write_reg_mask(CR96, VIACR, p_gfx_dpa_setting->DVP0, 0x0F); /* DVP0 Clock and Data Pads Driving: */ viafb_write_reg_mask(SR1E, VIASR, p_gfx_dpa_setting->DVP0ClockDri_S, BIT2); viafb_write_reg_mask(SR2A, VIASR, p_gfx_dpa_setting->DVP0ClockDri_S1, BIT4); viafb_write_reg_mask(SR1B, VIASR, p_gfx_dpa_setting->DVP0DataDri_S, BIT1); viafb_write_reg_mask(SR2A, VIASR, p_gfx_dpa_setting->DVP0DataDri_S1, BIT5); break; } case INTERFACE_DVP1: { /* DVP1 Clock Polarity and Adjust: */ viafb_write_reg_mask(CR9B, VIACR, p_gfx_dpa_setting->DVP1, 0x0F); /* DVP1 Clock and Data Pads Driving: */ viafb_write_reg_mask(SR65, VIASR, p_gfx_dpa_setting->DVP1Driving, 0x0F); break; } case INTERFACE_DFP_HIGH: { viafb_write_reg_mask(CR97, VIACR, p_gfx_dpa_setting->DFPHigh, 0x0F); break; } case INTERFACE_DFP_LOW: { viafb_write_reg_mask(CR99, VIACR, p_gfx_dpa_setting->DFPLow, 0x0F); break; } case INTERFACE_DFP: { viafb_write_reg_mask(CR97, VIACR, p_gfx_dpa_setting->DFPHigh, 0x0F); viafb_write_reg_mask(CR99, VIACR, p_gfx_dpa_setting->DFPLow, 0x0F); break; } } } |
d61e0bf38
|
2075 |
/*According var's xres, yres fill var's other timing information*/ |
94715ba97
|
2076 2077 |
void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, struct crt_mode_table *mode) |
d61e0bf38
|
2078 |
{ |
d61e0bf38
|
2079 |
struct display_timing crt_reg; |
d61e0bf38
|
2080 |
|
94715ba97
|
2081 |
crt_reg = mode->crtc; |
42edcb162
|
2082 2083 |
var->pixclock = 1000000000 / (crt_reg.hor_total * crt_reg.ver_total) * 1000 / mode->refresh_rate; |
d61e0bf38
|
2084 2085 2086 2087 2088 2089 2090 2091 |
var->left_margin = crt_reg.hor_total - (crt_reg.hor_sync_start + crt_reg.hor_sync_end); var->right_margin = crt_reg.hor_sync_start - crt_reg.hor_addr; var->hsync_len = crt_reg.hor_sync_end; var->upper_margin = crt_reg.ver_total - (crt_reg.ver_sync_start + crt_reg.ver_sync_end); var->lower_margin = crt_reg.ver_sync_start - crt_reg.ver_addr; var->vsync_len = crt_reg.ver_sync_end; |
2e1abbdd1
|
2092 |
var->sync = 0; |
94715ba97
|
2093 |
if (mode->h_sync_polarity == POSITIVE) |
2e1abbdd1
|
2094 |
var->sync |= FB_SYNC_HOR_HIGH_ACT; |
94715ba97
|
2095 |
if (mode->v_sync_polarity == POSITIVE) |
2e1abbdd1
|
2096 |
var->sync |= FB_SYNC_VERT_HIGH_ACT; |
d61e0bf38
|
2097 |
} |