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linux-sg2042/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.
*/
#include <linux/via-core.h>
#include "global.h"
static struct pll_map pll_value[] = {
{25175000,
{99, 7, 3},
{85, 3, 4}, /* ignoring bit difference: 0x00008000 */
{141, 5, 4},
{141, 5, 4} },
{29581000,
{33, 4, 2},
{66, 2, 4}, /* ignoring bit difference: 0x00808000 */
{166, 5, 4}, /* ignoring bit difference: 0x00008000 */
{165, 5, 4} },
{26880000,
{15, 4, 1},
{30, 2, 3}, /* ignoring bit difference: 0x00808000 */
{150, 5, 4},
{150, 5, 4} },
{31500000,
{53, 3, 3}, /* ignoring bit difference: 0x00008000 */
{141, 4, 4}, /* ignoring bit difference: 0x00008000 */
{176, 5, 4},
{176, 5, 4} },
{31728000,
{31, 7, 1},
{177, 5, 4}, /* ignoring bit difference: 0x00008000 */
{177, 5, 4},
{142, 4, 4} },
{32688000,
{73, 4, 3},
{146, 4, 4}, /* ignoring bit difference: 0x00008000 */
{183, 5, 4},
{146, 4, 4} },
{36000000,
{101, 5, 3}, /* ignoring bit difference: 0x00008000 */
{161, 4, 4}, /* ignoring bit difference: 0x00008000 */
{202, 5, 4},
{161, 4, 4} },
{40000000,
{89, 4, 3},
{89, 4, 3}, /* ignoring bit difference: 0x00008000 */
{112, 5, 3},
{112, 5, 3} },
{41291000,
{23, 4, 1},
{69, 3, 3}, /* ignoring bit difference: 0x00008000 */
{115, 5, 3},
{115, 5, 3} },
{43163000,
{121, 5, 3},
{121, 5, 3}, /* ignoring bit difference: 0x00008000 */
{121, 5, 3},
{121, 5, 3} },
{45250000,
{127, 5, 3},
{127, 5, 3}, /* ignoring bit difference: 0x00808000 */
{127, 5, 3},
{127, 5, 3} },
{46000000,
{90, 7, 2},
{103, 4, 3}, /* ignoring bit difference: 0x00008000 */
{129, 5, 3},
{103, 4, 3} },
{46996000,
{105, 4, 3}, /* ignoring bit difference: 0x00008000 */
{131, 5, 3}, /* ignoring bit difference: 0x00808000 */
{131, 5, 3}, /* ignoring bit difference: 0x00808000 */
{105, 4, 3} },
{48000000,
{67, 20, 0},
{134, 5, 3}, /* ignoring bit difference: 0x00808000 */
{134, 5, 3},
{134, 5, 3} },
{48875000,
{99, 29, 0},
{82, 3, 3}, /* ignoring bit difference: 0x00808000 */
{82, 3, 3}, /* ignoring bit difference: 0x00808000 */
{137, 5, 3} },
{49500000,
{83, 6, 2},
{83, 3, 3}, /* ignoring bit difference: 0x00008000 */
{138, 5, 3},
{83, 3, 3} },
{52406000,
{117, 4, 3},
{117, 4, 3}, /* ignoring bit difference: 0x00008000 */
{117, 4, 3},
{88, 3, 3} },
{52977000,
{37, 5, 1},
{148, 5, 3}, /* ignoring bit difference: 0x00808000 */
{148, 5, 3},
{148, 5, 3} },
{56250000,
{55, 7, 1}, /* ignoring bit difference: 0x00008000 */
{126, 4, 3}, /* ignoring bit difference: 0x00008000 */
{157, 5, 3},
{157, 5, 3} },
{57275000,
{0, 0, 0},
{2, 2, 0},
{2, 2, 0},
{157, 5, 3} }, /* ignoring bit difference: 0x00808000 */
{60466000,
{76, 9, 1},
{169, 5, 3}, /* ignoring bit difference: 0x00808000 */
{169, 5, 3}, /* FIXED: old = {72, 2, 3} */
{169, 5, 3} },
{61500000,
{86, 20, 0},
{172, 5, 3}, /* ignoring bit difference: 0x00808000 */
{172, 5, 3},
{172, 5, 3} },
{65000000,
{109, 6, 2}, /* ignoring bit difference: 0x00008000 */
{109, 3, 3}, /* ignoring bit difference: 0x00008000 */
{109, 3, 3},
{109, 3, 3} },
{65178000,
{91, 5, 2},
{182, 5, 3}, /* ignoring bit difference: 0x00808000 */
{109, 3, 3},
{182, 5, 3} },
{66750000,
{75, 4, 2},
{150, 4, 3}, /* ignoring bit difference: 0x00808000 */
{150, 4, 3},
{112, 3, 3} },
{68179000,
{19, 4, 0},
{114, 3, 3}, /* ignoring bit difference: 0x00008000 */
{190, 5, 3},
{191, 5, 3} },
{69924000,
{83, 17, 0},
{195, 5, 3}, /* ignoring bit difference: 0x00808000 */
{195, 5, 3},
{195, 5, 3} },
{70159000,
{98, 20, 0},
{196, 5, 3}, /* ignoring bit difference: 0x00808000 */
{196, 5, 3},
{195, 5, 3} },
{72000000,
{121, 24, 0},
{161, 4, 3}, /* ignoring bit difference: 0x00808000 */
{161, 4, 3},
{161, 4, 3} },
{78750000,
{33, 3, 1},
{66, 3, 2}, /* ignoring bit difference: 0x00008000 */
{110, 5, 2},
{110, 5, 2} },
{80136000,
{28, 5, 0},
{68, 3, 2}, /* ignoring bit difference: 0x00008000 */
{112, 5, 2},
{112, 5, 2} },
{83375000,
{93, 2, 3},
{93, 4, 2}, /* ignoring bit difference: 0x00800000 */
{93, 4, 2}, /* ignoring bit difference: 0x00800000 */
{117, 5, 2} },
{83950000,
{41, 7, 0},
{117, 5, 2}, /* ignoring bit difference: 0x00008000 */
{117, 5, 2},
{117, 5, 2} },
{84750000,
{118, 5, 2},
{118, 5, 2}, /* ignoring bit difference: 0x00808000 */
{118, 5, 2},
{118, 5, 2} },
{85860000,
{84, 7, 1},
{120, 5, 2}, /* ignoring bit difference: 0x00808000 */
{120, 5, 2},
{118, 5, 2} },
{88750000,
{31, 5, 0},
{124, 5, 2}, /* ignoring bit difference: 0x00808000 */
{174, 7, 2}, /* ignoring bit difference: 0x00808000 */
{124, 5, 2} },
{94500000,
{33, 5, 0},
{132, 5, 2}, /* ignoring bit difference: 0x00008000 */
{132, 5, 2},
{132, 5, 2} },
{97750000,
{82, 6, 1},
{137, 5, 2}, /* ignoring bit difference: 0x00808000 */
{137, 5, 2},
{137, 5, 2} },
{101000000,
{127, 9, 1},
{141, 5, 2}, /* ignoring bit difference: 0x00808000 */
{141, 5, 2},
{141, 5, 2} },
{106500000,
{119, 4, 2},
{119, 4, 2}, /* ignoring bit difference: 0x00808000 */
{119, 4, 2},
{149, 5, 2} },
{108000000,
{121, 4, 2},
{121, 4, 2}, /* ignoring bit difference: 0x00808000 */
{151, 5, 2},
{151, 5, 2} },
{113309000,
{95, 12, 0},
{95, 3, 2}, /* ignoring bit difference: 0x00808000 */
{95, 3, 2},
{159, 5, 2} },
{118840000,
{83, 5, 1},
{166, 5, 2}, /* ignoring bit difference: 0x00808000 */
{166, 5, 2},
{166, 5, 2} },
{119000000,
{108, 13, 0},
{133, 4, 2}, /* ignoring bit difference: 0x00808000 */
{133, 4, 2},
{167, 5, 2} },
{121750000,
{85, 5, 1},
{170, 5, 2}, /* ignoring bit difference: 0x00808000 */
{68, 2, 2},
{0, 0, 0} },
{125104000,
{53, 6, 0}, /* ignoring bit difference: 0x00008000 */
{106, 3, 2}, /* ignoring bit difference: 0x00008000 */
{175, 5, 2},
{0, 0, 0} },
{135000000,
{94, 5, 1},
{28, 3, 0}, /* ignoring bit difference: 0x00804000 */
{151, 4, 2},
{189, 5, 2} },
{136700000,
{115, 12, 0},
{191, 5, 2}, /* ignoring bit difference: 0x00808000 */
{191, 5, 2},
{191, 5, 2} },
{138400000,
{87, 9, 0},
{116, 3, 2}, /* ignoring bit difference: 0x00808000 */
{116, 3, 2},
{194, 5, 2} },
{146760000,
{103, 5, 1},
{206, 5, 2}, /* ignoring bit difference: 0x00808000 */
{206, 5, 2},
{206, 5, 2} },
{153920000,
{86, 8, 0},
{86, 4, 1}, /* ignoring bit difference: 0x00808000 */
{86, 4, 1},
{86, 4, 1} }, /* FIXED: old = {84, 2, 1} */
{156000000,
{109, 5, 1},
{109, 5, 1}, /* ignoring bit difference: 0x00808000 */
{109, 5, 1},
{108, 5, 1} },
{157500000,
{55, 5, 0}, /* ignoring bit difference: 0x00008000 */
{22, 2, 0}, /* ignoring bit difference: 0x00802000 */
{110, 5, 1},
{110, 5, 1} },
{162000000,
{113, 5, 1},
{113, 5, 1}, /* ignoring bit difference: 0x00808000 */
{113, 5, 1},
{113, 5, 1} },
{187000000,
{118, 9, 0},
{131, 5, 1}, /* ignoring bit difference: 0x00808000 */
{131, 5, 1},
{131, 5, 1} },
{193295000,
{108, 8, 0},
{81, 3, 1}, /* ignoring bit difference: 0x00808000 */
{135, 5, 1},
{135, 5, 1} },
{202500000,
{99, 7, 0},
{85, 3, 1}, /* ignoring bit difference: 0x00808000 */
{142, 5, 1},
{142, 5, 1} },
{204000000,
{100, 7, 0},
{143, 5, 1}, /* ignoring bit difference: 0x00808000 */
{143, 5, 1},
{143, 5, 1} },
{218500000,
{92, 6, 0},
{153, 5, 1}, /* ignoring bit difference: 0x00808000 */
{153, 5, 1},
{153, 5, 1} },
{234000000,
{98, 6, 0},
{98, 3, 1}, /* ignoring bit difference: 0x00008000 */
{98, 3, 1},
{164, 5, 1} },
{267250000,
{112, 6, 0},
{112, 3, 1}, /* ignoring bit difference: 0x00808000 */
{187, 5, 1},
{187, 5, 1} },
{297500000,
{102, 5, 0}, /* ignoring bit difference: 0x00008000 */
{166, 4, 1}, /* ignoring bit difference: 0x00008000 */
{208, 5, 1},
{208, 5, 1} },
{74481000,
{26, 5, 0},
{125, 3, 3}, /* ignoring bit difference: 0x00808000 */
{208, 5, 3},
{209, 5, 3} },
{172798000,
{121, 5, 1},
{121, 5, 1}, /* ignoring bit difference: 0x00808000 */
{121, 5, 1},
{121, 5, 1} },
{122614000,
{60, 7, 0},
{137, 4, 2}, /* ignoring bit difference: 0x00808000 */
{137, 4, 2},
{172, 5, 2} },
{74270000,
{83, 8, 1},
{208, 5, 3},
{208, 5, 3},
{0, 0, 0} },
{148500000,
{83, 8, 0},
{208, 5, 2},
{166, 4, 2},
{208, 5, 2} }
};
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} } }
};
static struct iga1_crtc_timing iga1_crtc_reg = {
/* IGA1 Horizontal Total */
{IGA1_HOR_TOTAL_REG_NUM, {{CR00, 0, 7}, {CR36, 3, 3} } },
/* IGA1 Horizontal Addressable Video */
{IGA1_HOR_ADDR_REG_NUM, {{CR01, 0, 7} } },
/* IGA1 Horizontal Blank Start */
{IGA1_HOR_BLANK_START_REG_NUM, {{CR02, 0, 7} } },
/* IGA1 Horizontal Blank End */
{IGA1_HOR_BLANK_END_REG_NUM,
{{CR03, 0, 4}, {CR05, 7, 7}, {CR33, 5, 5} } },
/* IGA1 Horizontal Sync Start */
{IGA1_HOR_SYNC_START_REG_NUM, {{CR04, 0, 7}, {CR33, 4, 4} } },
/* IGA1 Horizontal Sync End */
{IGA1_HOR_SYNC_END_REG_NUM, {{CR05, 0, 4} } },
/* IGA1 Vertical Total */
{IGA1_VER_TOTAL_REG_NUM,
{{CR06, 0, 7}, {CR07, 0, 0}, {CR07, 5, 5}, {CR35, 0, 0} } },
/* IGA1 Vertical Addressable Video */
{IGA1_VER_ADDR_REG_NUM,
{{CR12, 0, 7}, {CR07, 1, 1}, {CR07, 6, 6}, {CR35, 2, 2} } },
/* IGA1 Vertical Blank Start */
{IGA1_VER_BLANK_START_REG_NUM,
{{CR15, 0, 7}, {CR07, 3, 3}, {CR09, 5, 5}, {CR35, 3, 3} } },
/* IGA1 Vertical Blank End */
{IGA1_VER_BLANK_END_REG_NUM, {{CR16, 0, 7} } },
/* IGA1 Vertical Sync Start */
{IGA1_VER_SYNC_START_REG_NUM,
{{CR10, 0, 7}, {CR07, 2, 2}, {CR07, 7, 7}, {CR35, 1, 1} } },
/* IGA1 Vertical Sync End */
{IGA1_VER_SYNC_END_REG_NUM, {{CR11, 0, 3} } }
};
static struct iga2_crtc_timing iga2_crtc_reg = {
/* IGA2 Horizontal Total */
{IGA2_HOR_TOTAL_REG_NUM, {{CR50, 0, 7}, {CR55, 0, 3} } },
/* IGA2 Horizontal Addressable Video */
{IGA2_HOR_ADDR_REG_NUM, {{CR51, 0, 7}, {CR55, 4, 6} } },
/* IGA2 Horizontal Blank Start */
{IGA2_HOR_BLANK_START_REG_NUM, {{CR52, 0, 7}, {CR54, 0, 2} } },
/* IGA2 Horizontal Blank End */
{IGA2_HOR_BLANK_END_REG_NUM,
{{CR53, 0, 7}, {CR54, 3, 5}, {CR5D, 6, 6} } },
/* IGA2 Horizontal Sync Start */
{IGA2_HOR_SYNC_START_REG_NUM,
{{CR56, 0, 7}, {CR54, 6, 7}, {CR5C, 7, 7}, {CR5D, 7, 7} } },
/* IGA2 Horizontal Sync End */
{IGA2_HOR_SYNC_END_REG_NUM, {{CR57, 0, 7}, {CR5C, 6, 6} } },
/* IGA2 Vertical Total */
{IGA2_VER_TOTAL_REG_NUM, {{CR58, 0, 7}, {CR5D, 0, 2} } },
/* IGA2 Vertical Addressable Video */
{IGA2_VER_ADDR_REG_NUM, {{CR59, 0, 7}, {CR5D, 3, 5} } },
/* IGA2 Vertical Blank Start */
{IGA2_VER_BLANK_START_REG_NUM, {{CR5A, 0, 7}, {CR5C, 0, 2} } },
/* IGA2 Vertical Blank End */
{IGA2_VER_BLANK_END_REG_NUM, {{CR5B, 0, 7}, {CR5C, 3, 5} } },
/* IGA2 Vertical Sync Start */
{IGA2_VER_SYNC_START_REG_NUM, {{CR5E, 0, 7}, {CR5F, 5, 7} } },
/* IGA2 Vertical Sync End */
{IGA2_VER_SYNC_END_REG_NUM, {{CR5F, 0, 4} } }
};
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}
};
static void set_crt_output_path(int set_iga);
static void dvi_patch_skew_dvp0(void);
static void dvi_patch_skew_dvp1(void);
static void dvi_patch_skew_dvp_low(void);
static void set_dvi_output_path(int set_iga, int output_interface);
static void set_lcd_output_path(int set_iga, int output_interface);
static void load_fix_bit_crtc_reg(void);
static void init_gfx_chip_info(int chip_type);
static void init_tmds_chip_info(void);
static void init_lvds_chip_info(void);
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);
static void disable_second_display_channel(void);
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);
}
void write_dac_reg(u8 index, u8 r, u8 g, u8 b)
{
outb(index, LUT_INDEX_WRITE);
outb(r, LUT_DATA);
outb(g, LUT_DATA);
outb(b, LUT_DATA);
}
/*Set IGA path for each device*/
void viafb_set_iga_path(void)
{
if (viafb_SAMM_ON == 1) {
if (viafb_CRT_ON) {
if (viafb_primary_dev == CRT_Device)
viaparinfo->crt_setting_info->iga_path = IGA1;
else
viaparinfo->crt_setting_info->iga_path = IGA2;
}
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;
viaparinfo->
crt_setting_info->iga_path = IGA1;
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) {
viaparinfo->crt_setting_info->iga_path = IGA1;
viaparinfo->lvds_setting_info->iga_path = IGA2;
} else if (viafb_CRT_ON && viafb_DVI_ON) {
viaparinfo->crt_setting_info->iga_path = IGA1;
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) {
viaparinfo->crt_setting_info->iga_path = IGA1;
} else if (viafb_LCD_ON) {
viaparinfo->lvds_setting_info->iga_path = IGA2;
} else if (viafb_DVI_ON) {
viaparinfo->tmds_setting_info->iga_path = IGA1;
}
}
}
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);
}
void viafb_set_output_path(int device, int set_iga, int output_interface)
{
switch (device) {
case DEVICE_CRT:
set_crt_output_path(set_iga);
break;
case DEVICE_DVI:
set_dvi_output_path(set_iga, output_interface);
break;
case DEVICE_LCD:
set_lcd_output_path(set_iga, output_interface);
break;
}
}
static void set_crt_output_path(int set_iga)
{
viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5);
switch (set_iga) {
case IGA1:
viafb_write_reg_mask(SR16, VIASR, 0x00, BIT6);
break;
case IGA2:
viafb_write_reg_mask(CR6A, VIACR, 0xC0, BIT6 + BIT7);
viafb_write_reg_mask(SR16, VIASR, 0x40, BIT6);
break;
}
}
static void dvi_patch_skew_dvp0(void)
{
/* Reset data driving first: */
viafb_write_reg_mask(SR1B, VIASR, 0, BIT1);
viafb_write_reg_mask(SR2A, VIASR, 0, BIT4);
switch (viaparinfo->chip_info->gfx_chip_name) {
case UNICHROME_P4M890:
{
if ((viaparinfo->tmds_setting_info->h_active == 1600) &&
(viaparinfo->tmds_setting_info->v_active ==
1200))
viafb_write_reg_mask(CR96, VIACR, 0x03,
BIT0 + BIT1 + BIT2);
else
viafb_write_reg_mask(CR96, VIACR, 0x07,
BIT0 + BIT1 + BIT2);
break;
}
case UNICHROME_P4M900:
{
viafb_write_reg_mask(CR96, VIACR, 0x07,
BIT0 + BIT1 + BIT2 + BIT3);
viafb_write_reg_mask(SR1B, VIASR, 0x02, BIT1);
viafb_write_reg_mask(SR2A, VIASR, 0x10, BIT4);
break;
}
default:
{
break;
}
}
}
static void dvi_patch_skew_dvp1(void)
{
switch (viaparinfo->chip_info->gfx_chip_name) {
case UNICHROME_CX700:
{
break;
}
default:
{
break;
}
}
}
static void dvi_patch_skew_dvp_low(void)
{
switch (viaparinfo->chip_info->gfx_chip_name) {
case UNICHROME_K8M890:
{
viafb_write_reg_mask(CR99, VIACR, 0x03, BIT0 + BIT1);
break;
}
case UNICHROME_P4M900:
{
viafb_write_reg_mask(CR99, VIACR, 0x08,
BIT0 + BIT1 + BIT2 + BIT3);
break;
}
case UNICHROME_P4M890:
{
viafb_write_reg_mask(CR99, VIACR, 0x0F,
BIT0 + BIT1 + BIT2 + BIT3);
break;
}
default:
{
break;
}
}
}
static void set_dvi_output_path(int set_iga, int output_interface)
{
switch (output_interface) {
case INTERFACE_DVP0:
viafb_write_reg_mask(CR6B, VIACR, 0x01, BIT0);
if (set_iga == IGA1) {
viafb_write_reg_mask(CR96, VIACR, 0x00, BIT4);
viafb_write_reg_mask(CR6C, VIACR, 0x21, BIT0 +
BIT5 + BIT7);
} else {
viafb_write_reg_mask(CR96, VIACR, 0x10, BIT4);
viafb_write_reg_mask(CR6C, VIACR, 0xA1, BIT0 +
BIT5 + BIT7);
}
viafb_write_reg_mask(SR1E, VIASR, 0xC0, BIT7 + BIT6);
dvi_patch_skew_dvp0();
break;
case INTERFACE_DVP1:
if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) {
if (set_iga == IGA1)
viafb_write_reg_mask(CR93, VIACR, 0x21,
BIT0 + BIT5 + BIT7);
else
viafb_write_reg_mask(CR93, VIACR, 0xA1,
BIT0 + BIT5 + BIT7);
} else {
if (set_iga == IGA1)
viafb_write_reg_mask(CR9B, VIACR, 0x00, BIT4);
else
viafb_write_reg_mask(CR9B, VIACR, 0x10, BIT4);
}
viafb_write_reg_mask(SR1E, VIASR, 0x30, BIT4 + BIT5);
dvi_patch_skew_dvp1();
break;
case INTERFACE_DFP_HIGH:
if (viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266) {
if (set_iga == IGA1) {
viafb_write_reg_mask(CR96, VIACR, 0x00, BIT4);
viafb_write_reg_mask(CR97, VIACR, 0x03,
BIT0 + BIT1 + BIT4);
} else {
viafb_write_reg_mask(CR96, VIACR, 0x10, BIT4);
viafb_write_reg_mask(CR97, VIACR, 0x13,
BIT0 + BIT1 + BIT4);
}
}
viafb_write_reg_mask(SR2A, VIASR, 0x0C, BIT2 + BIT3);
break;
case INTERFACE_DFP_LOW:
if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
break;
if (set_iga == IGA1) {
viafb_write_reg_mask(CR99, VIACR, 0x00, BIT4);
viafb_write_reg_mask(CR9B, VIACR, 0x00, BIT4);
} else {
viafb_write_reg_mask(CR99, VIACR, 0x10, BIT4);
viafb_write_reg_mask(CR9B, VIACR, 0x10, BIT4);
}
viafb_write_reg_mask(SR2A, VIASR, 0x03, BIT0 + BIT1);
dvi_patch_skew_dvp_low();
break;
case INTERFACE_TMDS:
if (set_iga == IGA1)
viafb_write_reg_mask(CR99, VIACR, 0x00, BIT4);
else
viafb_write_reg_mask(CR99, VIACR, 0x10, BIT4);
break;
}
if (set_iga == IGA2) {
enable_second_display_channel();
/* Disable LCD Scaling */
viafb_write_reg_mask(CR79, VIACR, 0x00, BIT0);
}
}
static void set_lcd_output_path(int set_iga, int output_interface)
{
DEBUG_MSG(KERN_INFO
"set_lcd_output_path, iga:%d,out_interface:%d\n",
set_iga, output_interface);
switch (set_iga) {
case IGA1:
viafb_write_reg_mask(CR6B, VIACR, 0x00, BIT3);
viafb_write_reg_mask(CR6A, VIACR, 0x08, BIT3);
disable_second_display_channel();
break;
case IGA2:
viafb_write_reg_mask(CR6B, VIACR, 0x00, BIT3);
viafb_write_reg_mask(CR6A, VIACR, 0x08, BIT3);
enable_second_display_channel();
break;
}
switch (output_interface) {
case INTERFACE_DVP0:
if (set_iga == IGA1) {
viafb_write_reg_mask(CR96, VIACR, 0x00, BIT4);
} else {
viafb_write_reg(CR91, VIACR, 0x00);
viafb_write_reg_mask(CR96, VIACR, 0x10, BIT4);
}
break;
case INTERFACE_DVP1:
if (set_iga == IGA1)
viafb_write_reg_mask(CR9B, VIACR, 0x00, BIT4);
else {
viafb_write_reg(CR91, VIACR, 0x00);
viafb_write_reg_mask(CR9B, VIACR, 0x10, BIT4);
}
break;
case INTERFACE_DFP_HIGH:
if (set_iga == IGA1)
viafb_write_reg_mask(CR97, VIACR, 0x00, BIT4);
else {
viafb_write_reg(CR91, VIACR, 0x00);
viafb_write_reg_mask(CR97, VIACR, 0x10, BIT4);
viafb_write_reg_mask(CR96, VIACR, 0x10, BIT4);
}
break;
case INTERFACE_DFP_LOW:
if (set_iga == IGA1)
viafb_write_reg_mask(CR99, VIACR, 0x00, BIT4);
else {
viafb_write_reg(CR91, VIACR, 0x00);
viafb_write_reg_mask(CR99, VIACR, 0x10, BIT4);
viafb_write_reg_mask(CR9B, VIACR, 0x10, BIT4);
}
break;
case INTERFACE_DFP:
if ((UNICHROME_K8M890 == viaparinfo->chip_info->gfx_chip_name)
|| (UNICHROME_P4M890 ==
viaparinfo->chip_info->gfx_chip_name))
viafb_write_reg_mask(CR97, VIACR, 0x84,
BIT7 + BIT2 + BIT1 + BIT0);
if (set_iga == IGA1) {
viafb_write_reg_mask(CR97, VIACR, 0x00, BIT4);
viafb_write_reg_mask(CR99, VIACR, 0x00, BIT4);
} else {
viafb_write_reg(CR91, VIACR, 0x00);
viafb_write_reg_mask(CR97, VIACR, 0x10, BIT4);
viafb_write_reg_mask(CR99, VIACR, 0x10, BIT4);
}
break;
case INTERFACE_LVDS0:
case INTERFACE_LVDS0LVDS1:
if (set_iga == IGA1)
viafb_write_reg_mask(CR99, VIACR, 0x00, BIT4);
else
viafb_write_reg_mask(CR99, VIACR, 0x10, BIT4);
break;
case INTERFACE_LVDS1:
if (set_iga == IGA1)
viafb_write_reg_mask(CR97, VIACR, 0x00, BIT4);
else
viafb_write_reg_mask(CR97, VIACR, 0x10, BIT4);
break;
}
}
static void load_fix_bit_crtc_reg(void)
{
/* always set to 1 */
viafb_write_reg_mask(CR03, VIACR, 0x80, BIT7);
/* line compare should set all bits = 1 (extend modes) */
viafb_write_reg(CR18, VIACR, 0xff);
/* line compare should set all bits = 1 (extend modes) */
viafb_write_reg_mask(CR07, VIACR, 0x10, BIT4);
/* line compare should set all bits = 1 (extend modes) */
viafb_write_reg_mask(CR09, VIACR, 0x40, BIT6);
/* line compare should set all bits = 1 (extend modes) */
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); */
/* extend mode always set to e3h */
viafb_write_reg(CR17, VIACR, 0xe3);
/* extend mode always set to 0h */
viafb_write_reg(CR08, VIACR, 0x00);
/* extend mode always set to 0h */
viafb_write_reg(CR14, VIACR, 0x00);
/* 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;
/*DEBUG_MSG(KERN_INFO "Table Size : %x!!\n",ItemNum ); */
for (i = 0; i < ItemNum; i++)
via_write_reg_mask(RegTable[i].port, RegTable[i].index,
RegTable[i].value, RegTable[i].mask);
}
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) {
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);
break;
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;
}
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;
}
/* 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;
}
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;
}
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);
}
}
static u32 cle266_encode_pll(struct pll_config pll)
{
return (pll.multiplier << 8)
| (pll.rshift << 6)
| pll.divisor;
}
static u32 k800_encode_pll(struct pll_config pll)
{
return ((pll.divisor - 2) << 16)
| (pll.rshift << 10)
| (pll.multiplier - 2);
}
static u32 vx855_encode_pll(struct pll_config pll)
{
return (pll.divisor << 16)
| (pll.rshift << 10)
| pll.multiplier;
}
u32 viafb_get_clk_value(int clk)
{
u32 value = 0;
int i = 0;
while (i < NUM_TOTAL_PLL_TABLE && clk != pll_value[i].clk)
i++;
if (i == NUM_TOTAL_PLL_TABLE) {
printk(KERN_WARNING "viafb_get_clk_value: PLL lookup failed!");
} else {
switch (viaparinfo->chip_info->gfx_chip_name) {
case UNICHROME_CLE266:
case UNICHROME_K400:
value = cle266_encode_pll(pll_value[i].cle266_pll);
break;
case UNICHROME_K800:
case UNICHROME_PM800:
case UNICHROME_CN700:
value = k800_encode_pll(pll_value[i].k800_pll);
break;
case UNICHROME_CX700:
case UNICHROME_CN750:
case UNICHROME_K8M890:
case UNICHROME_P4M890:
case UNICHROME_P4M900:
case UNICHROME_VX800:
value = k800_encode_pll(pll_value[i].cx700_pll);
break;
case UNICHROME_VX855:
value = vx855_encode_pll(pll_value[i].vx855_pll);
break;
}
}
return value;
}
/* Set VCLK*/
void viafb_set_vclock(u32 clk, int set_iga)
{
/* H.W. Reset : ON */
viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7);
if (set_iga == IGA1) {
/* Change D,N FOR VCLK */
switch (viaparinfo->chip_info->gfx_chip_name) {
case UNICHROME_CLE266:
case UNICHROME_K400:
via_write_reg(VIASR, SR46, (clk & 0x00FF));
via_write_reg(VIASR, SR47, (clk & 0xFF00) >> 8);
break;
case UNICHROME_K800:
case UNICHROME_PM800:
case UNICHROME_CN700:
case UNICHROME_CX700:
case UNICHROME_CN750:
case UNICHROME_K8M890:
case UNICHROME_P4M890:
case UNICHROME_P4M900:
case UNICHROME_VX800:
case UNICHROME_VX855:
via_write_reg(VIASR, SR44, (clk & 0x0000FF));
via_write_reg(VIASR, SR45, (clk & 0x00FF00) >> 8);
via_write_reg(VIASR, SR46, (clk & 0xFF0000) >> 16);
break;
}
}
if (set_iga == IGA2) {
/* Change D,N FOR LCK */
switch (viaparinfo->chip_info->gfx_chip_name) {
case UNICHROME_CLE266:
case UNICHROME_K400:
via_write_reg(VIASR, SR44, (clk & 0x00FF));
via_write_reg(VIASR, SR45, (clk & 0xFF00) >> 8);
break;
case UNICHROME_K800:
case UNICHROME_PM800:
case UNICHROME_CN700:
case UNICHROME_CX700:
case UNICHROME_CN750:
case UNICHROME_K8M890:
case UNICHROME_P4M890:
case UNICHROME_P4M900:
case UNICHROME_VX800:
case UNICHROME_VX855:
via_write_reg(VIASR, SR4A, (clk & 0x0000FF));
via_write_reg(VIASR, SR4B, (clk & 0x00FF00) >> 8);
via_write_reg(VIASR, SR4C, (clk & 0xFF0000) >> 16);
break;
}
}
/* H.W. Reset : OFF */
viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7);
/* Reset PLL */
if (set_iga == IGA1) {
viafb_write_reg_mask(SR40, VIASR, 0x02, BIT1);
viafb_write_reg_mask(SR40, VIASR, 0x00, BIT1);
}
if (set_iga == IGA2) {
viafb_write_reg_mask(SR40, VIASR, 0x01, BIT0);
viafb_write_reg_mask(SR40, VIASR, 0x00, BIT0);
}
/* Fire! */
via_write_misc_reg_mask(0x0C, 0x0C); /* select external clock */
}
void viafb_load_crtc_timing(struct display_timing device_timing,
int set_iga)
{
int i;
int viafb_load_reg_num = 0;
int reg_value = 0;
struct io_register *reg = NULL;
viafb_unlock_crt();
for (i = 0; i < 12; i++) {
if (set_iga == IGA1) {
switch (i) {
case H_TOTAL_INDEX:
reg_value =
IGA1_HOR_TOTAL_FORMULA(device_timing.
hor_total);
viafb_load_reg_num =
iga1_crtc_reg.hor_total.reg_num;
reg = iga1_crtc_reg.hor_total.reg;
break;
case H_ADDR_INDEX:
reg_value =
IGA1_HOR_ADDR_FORMULA(device_timing.
hor_addr);
viafb_load_reg_num =
iga1_crtc_reg.hor_addr.reg_num;
reg = iga1_crtc_reg.hor_addr.reg;
break;
case H_BLANK_START_INDEX:
reg_value =
IGA1_HOR_BLANK_START_FORMULA
(device_timing.hor_blank_start);
viafb_load_reg_num =
iga1_crtc_reg.hor_blank_start.reg_num;
reg = iga1_crtc_reg.hor_blank_start.reg;
break;
case H_BLANK_END_INDEX:
reg_value =
IGA1_HOR_BLANK_END_FORMULA
(device_timing.hor_blank_start,
device_timing.hor_blank_end);
viafb_load_reg_num =
iga1_crtc_reg.hor_blank_end.reg_num;
reg = iga1_crtc_reg.hor_blank_end.reg;
break;
case H_SYNC_START_INDEX:
reg_value =
IGA1_HOR_SYNC_START_FORMULA
(device_timing.hor_sync_start);
viafb_load_reg_num =
iga1_crtc_reg.hor_sync_start.reg_num;
reg = iga1_crtc_reg.hor_sync_start.reg;
break;
case H_SYNC_END_INDEX:
reg_value =
IGA1_HOR_SYNC_END_FORMULA
(device_timing.hor_sync_start,
device_timing.hor_sync_end);
viafb_load_reg_num =
iga1_crtc_reg.hor_sync_end.reg_num;
reg = iga1_crtc_reg.hor_sync_end.reg;
break;
case V_TOTAL_INDEX:
reg_value =
IGA1_VER_TOTAL_FORMULA(device_timing.
ver_total);
viafb_load_reg_num =
iga1_crtc_reg.ver_total.reg_num;
reg = iga1_crtc_reg.ver_total.reg;
break;
case V_ADDR_INDEX:
reg_value =
IGA1_VER_ADDR_FORMULA(device_timing.
ver_addr);
viafb_load_reg_num =
iga1_crtc_reg.ver_addr.reg_num;
reg = iga1_crtc_reg.ver_addr.reg;
break;
case V_BLANK_START_INDEX:
reg_value =
IGA1_VER_BLANK_START_FORMULA
(device_timing.ver_blank_start);
viafb_load_reg_num =
iga1_crtc_reg.ver_blank_start.reg_num;
reg = iga1_crtc_reg.ver_blank_start.reg;
break;
case V_BLANK_END_INDEX:
reg_value =
IGA1_VER_BLANK_END_FORMULA
(device_timing.ver_blank_start,
device_timing.ver_blank_end);
viafb_load_reg_num =
iga1_crtc_reg.ver_blank_end.reg_num;
reg = iga1_crtc_reg.ver_blank_end.reg;
break;
case V_SYNC_START_INDEX:
reg_value =
IGA1_VER_SYNC_START_FORMULA
(device_timing.ver_sync_start);
viafb_load_reg_num =
iga1_crtc_reg.ver_sync_start.reg_num;
reg = iga1_crtc_reg.ver_sync_start.reg;
break;
case V_SYNC_END_INDEX:
reg_value =
IGA1_VER_SYNC_END_FORMULA
(device_timing.ver_sync_start,
device_timing.ver_sync_end);
viafb_load_reg_num =
iga1_crtc_reg.ver_sync_end.reg_num;
reg = iga1_crtc_reg.ver_sync_end.reg;
break;
}
}
if (set_iga == IGA2) {
switch (i) {
case H_TOTAL_INDEX:
reg_value =
IGA2_HOR_TOTAL_FORMULA(device_timing.
hor_total);
viafb_load_reg_num =
iga2_crtc_reg.hor_total.reg_num;
reg = iga2_crtc_reg.hor_total.reg;
break;
case H_ADDR_INDEX:
reg_value =
IGA2_HOR_ADDR_FORMULA(device_timing.
hor_addr);
viafb_load_reg_num =
iga2_crtc_reg.hor_addr.reg_num;
reg = iga2_crtc_reg.hor_addr.reg;
break;
case H_BLANK_START_INDEX:
reg_value =
IGA2_HOR_BLANK_START_FORMULA
(device_timing.hor_blank_start);
viafb_load_reg_num =
iga2_crtc_reg.hor_blank_start.reg_num;
reg = iga2_crtc_reg.hor_blank_start.reg;
break;
case H_BLANK_END_INDEX:
reg_value =
IGA2_HOR_BLANK_END_FORMULA
(device_timing.hor_blank_start,
device_timing.hor_blank_end);
viafb_load_reg_num =
iga2_crtc_reg.hor_blank_end.reg_num;
reg = iga2_crtc_reg.hor_blank_end.reg;
break;
case H_SYNC_START_INDEX:
reg_value =
IGA2_HOR_SYNC_START_FORMULA
(device_timing.hor_sync_start);
if (UNICHROME_CN700 <=
viaparinfo->chip_info->gfx_chip_name)
viafb_load_reg_num =
iga2_crtc_reg.hor_sync_start.
reg_num;
else
viafb_load_reg_num = 3;
reg = iga2_crtc_reg.hor_sync_start.reg;
break;
case H_SYNC_END_INDEX:
reg_value =
IGA2_HOR_SYNC_END_FORMULA
(device_timing.hor_sync_start,
device_timing.hor_sync_end);
viafb_load_reg_num =
iga2_crtc_reg.hor_sync_end.reg_num;
reg = iga2_crtc_reg.hor_sync_end.reg;
break;
case V_TOTAL_INDEX:
reg_value =
IGA2_VER_TOTAL_FORMULA(device_timing.
ver_total);
viafb_load_reg_num =
iga2_crtc_reg.ver_total.reg_num;
reg = iga2_crtc_reg.ver_total.reg;
break;
case V_ADDR_INDEX:
reg_value =
IGA2_VER_ADDR_FORMULA(device_timing.
ver_addr);
viafb_load_reg_num =
iga2_crtc_reg.ver_addr.reg_num;
reg = iga2_crtc_reg.ver_addr.reg;
break;
case V_BLANK_START_INDEX:
reg_value =
IGA2_VER_BLANK_START_FORMULA
(device_timing.ver_blank_start);
viafb_load_reg_num =
iga2_crtc_reg.ver_blank_start.reg_num;
reg = iga2_crtc_reg.ver_blank_start.reg;
break;
case V_BLANK_END_INDEX:
reg_value =
IGA2_VER_BLANK_END_FORMULA
(device_timing.ver_blank_start,
device_timing.ver_blank_end);
viafb_load_reg_num =
iga2_crtc_reg.ver_blank_end.reg_num;
reg = iga2_crtc_reg.ver_blank_end.reg;
break;
case V_SYNC_START_INDEX:
reg_value =
IGA2_VER_SYNC_START_FORMULA
(device_timing.ver_sync_start);
viafb_load_reg_num =
iga2_crtc_reg.ver_sync_start.reg_num;
reg = iga2_crtc_reg.ver_sync_start.reg;
break;
case V_SYNC_END_INDEX:
reg_value =
IGA2_VER_SYNC_END_FORMULA
(device_timing.ver_sync_start,
device_timing.ver_sync_end);
viafb_load_reg_num =
iga2_crtc_reg.ver_sync_end.reg_num;
reg = iga2_crtc_reg.ver_sync_end.reg;
break;
}
}
viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
}
viafb_lock_crt();
}
void viafb_fill_crtc_timing(struct crt_mode_table *crt_table,
struct VideoModeTable *video_mode, int bpp_byte, int set_iga)
{
struct display_timing crt_reg;
int i;
int index = 0;
int h_addr, v_addr;
u32 pll_D_N;
u8 polarity = 0;
for (i = 0; i < video_mode->mode_array; i++) {
index = i;
if (crt_table[i].refresh_rate == viaparinfo->
crt_setting_info->refresh_rate)
break;
}
crt_reg = crt_table[index].crtc;
/* Mode 640x480 has border, but LCD/DFP didn't have border. */
/* So we would delete border. */
if ((viafb_LCD_ON | viafb_DVI_ON)
&& video_mode->crtc[0].crtc.hor_addr == 640
&& video_mode->crtc[0].crtc.ver_addr == 480
&& viaparinfo->crt_setting_info->refresh_rate == 60) {
/* The border is 8 pixels. */
crt_reg.hor_blank_start = crt_reg.hor_blank_start - 8;
/* Blanking time should add left and right borders. */
crt_reg.hor_blank_end = crt_reg.hor_blank_end + 16;
}
h_addr = crt_reg.hor_addr;
v_addr = crt_reg.ver_addr;
/* update polarity for CRT timing */
if (crt_table[index].h_sync_polarity == NEGATIVE)
polarity |= BIT6;
if (crt_table[index].v_sync_polarity == NEGATIVE)
polarity |= BIT7;
via_write_misc_reg_mask(polarity, BIT6 | BIT7);
if (set_iga == IGA1) {
viafb_unlock_crt();
viafb_write_reg(CR09, VIACR, 0x00); /*initial CR09=0 */
viafb_write_reg_mask(CR11, VIACR, 0x00, BIT4 + BIT5 + BIT6);
viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7);
}
switch (set_iga) {
case IGA1:
viafb_load_crtc_timing(crt_reg, IGA1);
break;
case IGA2:
viafb_load_crtc_timing(crt_reg, IGA2);
break;
}
load_fix_bit_crtc_reg();
viafb_lock_crt();
viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7);
viafb_load_fetch_count_reg(h_addr, bpp_byte, set_iga);
/* load FIFO */
if ((viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266)
&& (viaparinfo->chip_info->gfx_chip_name != UNICHROME_K400))
viafb_load_FIFO_reg(set_iga, h_addr, v_addr);
pll_D_N = viafb_get_clk_value(crt_table[index].clk);
DEBUG_MSG(KERN_INFO "PLL=%x", pll_D_N);
viafb_set_vclock(pll_D_N, set_iga);
}
void viafb_init_chip_info(int chip_type)
{
init_gfx_chip_info(chip_type);
init_tmds_chip_info();
init_lvds_chip_info();
viaparinfo->crt_setting_info->iga_path = IGA1;
viaparinfo->crt_setting_info->refresh_rate = viafb_refresh;
/*Set IGA path for each device */
viafb_set_iga_path();
viaparinfo->lvds_setting_info->display_method = viafb_lcd_dsp_method;
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;
}
void viafb_update_device_setting(int hres, int vres,
int bpp, int vmode_refresh, int flag)
{
if (flag == 0) {
viaparinfo->crt_setting_info->h_active = hres;
viaparinfo->crt_setting_info->v_active = vres;
viaparinfo->crt_setting_info->bpp = bpp;
viaparinfo->crt_setting_info->refresh_rate =
vmode_refresh;
viaparinfo->tmds_setting_info->h_active = hres;
viaparinfo->tmds_setting_info->v_active = vres;
viaparinfo->lvds_setting_info->h_active = hres;
viaparinfo->lvds_setting_info->v_active = vres;
viaparinfo->lvds_setting_info->bpp = bpp;
viaparinfo->lvds_setting_info->refresh_rate =
vmode_refresh;
viaparinfo->lvds_setting_info2->h_active = hres;
viaparinfo->lvds_setting_info2->v_active = vres;
viaparinfo->lvds_setting_info2->bpp = bpp;
viaparinfo->lvds_setting_info2->refresh_rate =
vmode_refresh;
} else {
if (viaparinfo->tmds_setting_info->iga_path == IGA2) {
viaparinfo->tmds_setting_info->h_active = hres;
viaparinfo->tmds_setting_info->v_active = vres;
}
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;
viaparinfo->lvds_setting_info->refresh_rate =
vmode_refresh;
}
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;
viaparinfo->lvds_setting_info2->refresh_rate =
vmode_refresh;
}
}
}
static void init_gfx_chip_info(int chip_type)
{
u8 tmp;
viaparinfo->chip_info->gfx_chip_name = chip_type;
/* 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\n", 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;
}
}
/* Determine which 2D engine we have */
switch (viaparinfo->chip_info->gfx_chip_name) {
case UNICHROME_VX800:
case UNICHROME_VX855:
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;
}
}
static void init_tmds_chip_info(void)
{
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\n",
viaparinfo->chip_info->tmds_chip_info.tmds_chip_name);
viafb_init_dvi_size(&viaparinfo->shared->chip_info.tmds_chip_info,
&viaparinfo->shared->tmds_setting_info);
}
static void init_lvds_chip_info(void)
{
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\n",
viaparinfo->chip_info->lvds_chip_info.lvds_chip_name);
DEBUG_MSG(KERN_INFO "LVDS1 output_interface = %d\n",
viaparinfo->chip_info->lvds_chip_info.output_interface);
DEBUG_MSG(KERN_INFO "LVDS2 output_interface = %d\n",
viaparinfo->chip_info->lvds_chip_info.output_interface);
}
void viafb_init_dac(int set_iga)
{
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);
}
}
}
int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
struct VideoModeTable *vmode_tbl1, int video_bpp1)
{
int i, j;
int port;
u8 value, index, mask;
struct crt_mode_table *crt_timing;
struct crt_mode_table *crt_timing1 = NULL;
device_screen_off();
crt_timing = vmode_tbl->crtc;
if (viafb_SAMM_ON == 1) {
crt_timing1 = vmode_tbl1->crtc;
}
inb(VIAStatus);
outb(0x00, VIAAR);
/* Write Common Setting for Video Mode */
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:
case UNICHROME_VX800:
viafb_write_regx(CX700_ModeXregs, NUM_TOTAL_CX700_ModeXregs);
break;
case UNICHROME_VX855:
viafb_write_regx(VX855_ModeXregs, NUM_TOTAL_VX855_ModeXregs);
break;
}
device_off();
/* Fill VPIT Parameters */
/* Write Misc Register */
outb(VPIT.Misc, VIA_MISC_REG_WRITE);
/* Write Sequencer */
for (i = 1; i <= StdSR; i++)
via_write_reg(VIASR, i, VPIT.SR[i - 1]);
viafb_write_reg_mask(0x15, VIASR, 0xA2, 0xA2);
viafb_set_iga_path();
/* Write CRTC */
viafb_fill_crtc_timing(crt_timing, vmode_tbl, video_bpp / 8, IGA1);
/* Write Graphic Controller */
for (i = 0; i < StdGR; i++)
via_write_reg(VIAGR, i, VPIT.GR[i]);
/* Write Attribute Controller */
for (i = 0; i < StdAR; i++) {
inb(VIAStatus);
outb(i, VIAAR);
outb(VPIT.AR[i], VIAAR);
}
inb(VIAStatus);
outb(0x20, VIAAR);
/* Update Patch Register */
if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266
|| viaparinfo->chip_info->gfx_chip_name == UNICHROME_K400)
&& vmode_tbl->crtc[0].crtc.hor_addr == 1024
&& vmode_tbl->crtc[0].crtc.ver_addr == 768) {
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);
}
}
via_set_primary_pitch(viafbinfo->fix.line_length);
via_set_secondary_pitch(viafb_dual_fb ? viafbinfo1->fix.line_length
: viafbinfo->fix.line_length);
via_set_primary_color_depth(viaparinfo->depth);
via_set_secondary_color_depth(viafb_dual_fb ? viaparinfo1->depth
: viaparinfo->depth);
/* Update Refresh Rate Setting */
/* Clear On Screen */
/* CRT set mode */
if (viafb_CRT_ON) {
if (viafb_SAMM_ON && (viaparinfo->crt_setting_info->iga_path ==
IGA2)) {
viafb_fill_crtc_timing(crt_timing1, vmode_tbl1,
video_bpp1 / 8,
viaparinfo->crt_setting_info->iga_path);
} else {
viafb_fill_crtc_timing(crt_timing, vmode_tbl,
video_bpp / 8,
viaparinfo->crt_setting_info->iga_path);
}
set_crt_output_path(viaparinfo->crt_setting_info->iga_path);
/* 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. */
if (vmode_tbl->crtc[0].crtc.hor_addr % 8) {
viafb_unlock_crt();
viafb_write_reg(CR02, VIACR,
viafb_read_reg(VIACR, CR02) - 1);
viafb_lock_crt();
}
}
if (viafb_DVI_ON) {
if (viafb_SAMM_ON &&
(viaparinfo->tmds_setting_info->iga_path == IGA2)) {
viafb_dvi_set_mode(viafb_get_mode
(viaparinfo->tmds_setting_info->h_active,
viaparinfo->tmds_setting_info->
v_active),
video_bpp1, viaparinfo->
tmds_setting_info->iga_path);
} else {
viafb_dvi_set_mode(viafb_get_mode
(viaparinfo->tmds_setting_info->h_active,
viaparinfo->
tmds_setting_info->v_active),
video_bpp, viaparinfo->
tmds_setting_info->iga_path);
}
}
if (viafb_LCD_ON) {
if (viafb_SAMM_ON &&
(viaparinfo->lvds_setting_info->iga_path == IGA2)) {
viaparinfo->lvds_setting_info->bpp = video_bpp1;
viafb_lcd_set_mode(crt_timing1, viaparinfo->
lvds_setting_info,
&viaparinfo->chip_info->lvds_chip_info);
} 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;
viafb_lcd_set_mode(crt_timing, viaparinfo->
lvds_setting_info,
&viaparinfo->chip_info->lvds_chip_info);
}
}
if (viafb_LCD2_ON) {
if (viafb_SAMM_ON &&
(viaparinfo->lvds_setting_info2->iga_path == IGA2)) {
viaparinfo->lvds_setting_info2->bpp = video_bpp1;
viafb_lcd_set_mode(crt_timing1, viaparinfo->
lvds_setting_info2,
&viaparinfo->chip_info->lvds_chip_info2);
} 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;
viafb_lcd_set_mode(crt_timing, viaparinfo->
lvds_setting_info2,
&viaparinfo->chip_info->lvds_chip_info2);
}
}
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) {
viafb_hotplug_Xres = vmode_tbl->crtc[0].crtc.hor_addr;
viafb_hotplug_Yres = vmode_tbl->crtc[0].crtc.ver_addr;
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();
if (viafb_SAMM_ON == 1)
viafb_write_reg_mask(CR6A, VIACR, 0xC0, BIT6 + BIT7);
device_screen_on();
return 1;
}
int viafb_get_pixclock(int hres, int vres, int vmode_refresh)
{
int i;
for (i = 0; i < NUM_TOTAL_RES_MAP_REFRESH; i++) {
if ((hres == res_map_refresh_tbl[i].hres)
&& (vres == res_map_refresh_tbl[i].vres)
&& (vmode_refresh == res_map_refresh_tbl[i].vmode_refresh))
return res_map_refresh_tbl[i].pixclock;
}
return RES_640X480_60HZ_PIXCLOCK;
}
int viafb_get_refresh(int hres, int vres, u32 long_refresh)
{
#define REFRESH_TOLERANCE 3
int i, nearest = -1, diff = REFRESH_TOLERANCE;
for (i = 0; i < NUM_TOTAL_RES_MAP_REFRESH; i++) {
if ((hres == res_map_refresh_tbl[i].hres)
&& (vres == res_map_refresh_tbl[i].vres)
&& (diff > (abs(long_refresh -
res_map_refresh_tbl[i].vmode_refresh)))) {
diff = abs(long_refresh - res_map_refresh_tbl[i].
vmode_refresh);
nearest = i;
}
}
#undef REFRESH_TOLERANCE
if (nearest > 0)
return res_map_refresh_tbl[nearest].vmode_refresh;
return 60;
}
static void device_off(void)
{
viafb_crt_disable();
viafb_dvi_disable();
viafb_lcd_disable();
}
static void device_on(void)
{
if (viafb_CRT_ON == 1)
viafb_crt_enable();
if (viafb_DVI_ON == 1)
viafb_dvi_enable();
if (viafb_LCD_ON == 1)
viafb_lcd_enable();
}
void viafb_crt_disable(void)
{
viafb_write_reg_mask(CR36, VIACR, BIT5 + BIT4, BIT5 + BIT4);
}
void viafb_crt_enable(void)
{
viafb_write_reg_mask(CR36, VIACR, 0x0, BIT5 + BIT4);
}
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);
}
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);
}
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;
}
}
}
/*According var's xres, yres fill var's other timing information*/
void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh,
struct VideoModeTable *vmode_tbl)
{
struct crt_mode_table *crt_timing = NULL;
struct display_timing crt_reg;
int i = 0, index = 0;
crt_timing = vmode_tbl->crtc;
for (i = 0; i < vmode_tbl->mode_array; i++) {
index = i;
if (crt_timing[i].refresh_rate == refresh)
break;
}
crt_reg = crt_timing[index].crtc;
var->pixclock = viafb_get_pixclock(var->xres, var->yres, refresh);
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;
}
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