/* * 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 #include #include "global.h" static struct pll_config cle266_pll_config[] = { {19, 4, 0}, {26, 5, 0}, {28, 5, 0}, {31, 5, 0}, {33, 5, 0}, {55, 5, 0}, {102, 5, 0}, {53, 6, 0}, {92, 6, 0}, {98, 6, 0}, {112, 6, 0}, {41, 7, 0}, {60, 7, 0}, {99, 7, 0}, {100, 7, 0}, {83, 8, 0}, {86, 8, 0}, {108, 8, 0}, {87, 9, 0}, {118, 9, 0}, {95, 12, 0}, {115, 12, 0}, {108, 13, 0}, {83, 17, 0}, {67, 20, 0}, {86, 20, 0}, {98, 20, 0}, {121, 24, 0}, {99, 29, 0}, {33, 3, 1}, {15, 4, 1}, {23, 4, 1}, {37, 5, 1}, {83, 5, 1}, {85, 5, 1}, {94, 5, 1}, {103, 5, 1}, {109, 5, 1}, {113, 5, 1}, {121, 5, 1}, {82, 6, 1}, {31, 7, 1}, {55, 7, 1}, {84, 7, 1}, {83, 8, 1}, {76, 9, 1}, {127, 9, 1}, {33, 4, 2}, {75, 4, 2}, {119, 4, 2}, {121, 4, 2}, {91, 5, 2}, {118, 5, 2}, {83, 6, 2}, {109, 6, 2}, {90, 7, 2}, {93, 2, 3}, {53, 3, 3}, {73, 4, 3}, {89, 4, 3}, {105, 4, 3}, {117, 4, 3}, {101, 5, 3}, {121, 5, 3}, {127, 5, 3}, {99, 7, 3} }; static struct pll_config k800_pll_config[] = { {22, 2, 0}, {28, 3, 0}, {81, 3, 1}, {85, 3, 1}, {98, 3, 1}, {112, 3, 1}, {86, 4, 1}, {166, 4, 1}, {109, 5, 1}, {113, 5, 1}, {121, 5, 1}, {131, 5, 1}, {143, 5, 1}, {153, 5, 1}, {66, 3, 2}, {68, 3, 2}, {95, 3, 2}, {106, 3, 2}, {116, 3, 2}, {93, 4, 2}, {119, 4, 2}, {121, 4, 2}, {133, 4, 2}, {137, 4, 2}, {117, 5, 2}, {118, 5, 2}, {120, 5, 2}, {124, 5, 2}, {132, 5, 2}, {137, 5, 2}, {141, 5, 2}, {166, 5, 2}, {170, 5, 2}, {191, 5, 2}, {206, 5, 2}, {208, 5, 2}, {30, 2, 3}, {69, 3, 3}, {82, 3, 3}, {83, 3, 3}, {109, 3, 3}, {114, 3, 3}, {125, 3, 3}, {89, 4, 3}, {103, 4, 3}, {117, 4, 3}, {126, 4, 3}, {150, 4, 3}, {161, 4, 3}, {121, 5, 3}, {127, 5, 3}, {131, 5, 3}, {134, 5, 3}, {148, 5, 3}, {169, 5, 3}, {172, 5, 3}, {182, 5, 3}, {195, 5, 3}, {196, 5, 3}, {208, 5, 3}, {66, 2, 4}, {85, 3, 4}, {141, 4, 4}, {146, 4, 4}, {161, 4, 4}, {177, 5, 4} }; static struct pll_config cx700_pll_config[] = { {98, 3, 1}, {86, 4, 1}, {109, 5, 1}, {110, 5, 1}, {113, 5, 1}, {121, 5, 1}, {131, 5, 1}, {135, 5, 1}, {142, 5, 1}, {143, 5, 1}, {153, 5, 1}, {187, 5, 1}, {208, 5, 1}, {68, 2, 2}, {95, 3, 2}, {116, 3, 2}, {93, 4, 2}, {119, 4, 2}, {133, 4, 2}, {137, 4, 2}, {151, 4, 2}, {166, 4, 2}, {110, 5, 2}, {112, 5, 2}, {117, 5, 2}, {118, 5, 2}, {120, 5, 2}, {132, 5, 2}, {137, 5, 2}, {141, 5, 2}, {151, 5, 2}, {166, 5, 2}, {175, 5, 2}, {191, 5, 2}, {206, 5, 2}, {174, 7, 2}, {82, 3, 3}, {109, 3, 3}, {117, 4, 3}, {150, 4, 3}, {161, 4, 3}, {112, 5, 3}, {115, 5, 3}, {121, 5, 3}, {127, 5, 3}, {129, 5, 3}, {131, 5, 3}, {134, 5, 3}, {138, 5, 3}, {148, 5, 3}, {157, 5, 3}, {169, 5, 3}, {172, 5, 3}, {190, 5, 3}, {195, 5, 3}, {196, 5, 3}, {208, 5, 3}, {141, 5, 4}, {150, 5, 4}, {166, 5, 4}, {176, 5, 4}, {177, 5, 4}, {183, 5, 4}, {202, 5, 4} }; static struct pll_config vx855_pll_config[] = { {86, 4, 1}, {108, 5, 1}, {110, 5, 1}, {113, 5, 1}, {121, 5, 1}, {131, 5, 1}, {135, 5, 1}, {142, 5, 1}, {143, 5, 1}, {153, 5, 1}, {164, 5, 1}, {187, 5, 1}, {208, 5, 1}, {110, 5, 2}, {112, 5, 2}, {117, 5, 2}, {118, 5, 2}, {124, 5, 2}, {132, 5, 2}, {137, 5, 2}, {141, 5, 2}, {149, 5, 2}, {151, 5, 2}, {159, 5, 2}, {166, 5, 2}, {167, 5, 2}, {172, 5, 2}, {189, 5, 2}, {191, 5, 2}, {194, 5, 2}, {206, 5, 2}, {208, 5, 2}, {83, 3, 3}, {88, 3, 3}, {109, 3, 3}, {112, 3, 3}, {103, 4, 3}, {105, 4, 3}, {161, 4, 3}, {112, 5, 3}, {115, 5, 3}, {121, 5, 3}, {127, 5, 3}, {134, 5, 3}, {137, 5, 3}, {148, 5, 3}, {157, 5, 3}, {169, 5, 3}, {172, 5, 3}, {182, 5, 3}, {191, 5, 3}, {195, 5, 3}, {209, 5, 3}, {142, 4, 4}, {146, 4, 4}, {161, 4, 4}, {141, 5, 4}, {150, 5, 4}, {165, 5, 4}, {176, 5, 4} }; /* 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 */ }; 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 */ }; 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 struct via_device_mapping device_mapping[] = { {VIA_LDVP0, "LDVP0"}, {VIA_LDVP1, "LDVP1"}, {VIA_DVP0, "DVP0"}, {VIA_CRT, "CRT"}, {VIA_DVP1, "DVP1"}, {VIA_LVDS1, "LVDS1"}, {VIA_LVDS2, "LVDS2"} }; static void load_fix_bit_crtc_reg(void); 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); 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); } static 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); } static u32 get_dvi_devices(int output_interface) { switch (output_interface) { case INTERFACE_DVP0: return VIA_DVP0 | VIA_LDVP0; case INTERFACE_DVP1: if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) return VIA_LDVP1; else return VIA_DVP1; case INTERFACE_DFP_HIGH: if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) return 0; else return VIA_LVDS2 | VIA_DVP0; 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: return VIA_DVP0; case INTERFACE_DVP1: return VIA_DVP1; case INTERFACE_DFP_HIGH: return VIA_LVDS2 | VIA_DVP0; 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; } /*Set IGA path for each device*/ void viafb_set_iga_path(void) { int crt_iga_path = 0; if (viafb_SAMM_ON == 1) { if (viafb_CRT_ON) { if (viafb_primary_dev == CRT_Device) crt_iga_path = IGA1; else crt_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; crt_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) { crt_iga_path = IGA1; viaparinfo->lvds_setting_info->iga_path = IGA2; } else if (viafb_CRT_ON && viafb_DVI_ON) { crt_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) { crt_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; } } viaparinfo->shared->iga1_devices = 0; viaparinfo->shared->iga2_devices = 0; if (viafb_CRT_ON) { if (crt_iga_path == IGA1) 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); } /* looks like the OLPC has its display wired to DVP1 and LVDS2 */ if (machine_is_olpc()) viaparinfo->shared->iga2_devices = VIA_DVP1 | VIA_LVDS2; } 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); } static void set_source_common(u8 index, u8 offset, u8 iga) { 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\n", iga); return; } via_write_reg_mask(VIACR, index, value, mask); } static void set_crt_source(u8 iga) { u8 value; switch (iga) { case IGA1: value = 0x00; break; case IGA2: value = 0x40; break; default: printk(KERN_WARNING "viafb: Unsupported source: %d\n", iga); return; } via_write_reg_mask(VIASR, 0x16, value, 0x40); } static inline void set_ldvp0_source(u8 iga) { set_source_common(0x6C, 7, iga); } static inline void set_ldvp1_source(u8 iga) { set_source_common(0x93, 7, iga); } static inline void set_dvp0_source(u8 iga) { 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); } void via_set_source(u32 devices, u8 iga) { if (devices & VIA_LDVP0) set_ldvp0_source(iga); if (devices & VIA_LDVP1) set_ldvp1_source(iga); if (devices & VIA_DVP0) set_dvp0_source(iga); 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); } 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); } static void set_dvp0_state(u8 state) { 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? if (devices & VIA_LDVP0) if (devices & VIA_LDVP1) */ if (devices & VIA_DVP0) set_dvp0_state(state); 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); } void via_set_sync_polarity(u32 devices, u8 polarity) { if (polarity & ~(VIA_HSYNC_NEGATIVE | VIA_VSYNC_NEGATIVE)) { printk(KERN_WARNING "viafb: Unsupported polarity: %d\n", 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); } 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, '\n'); } static void load_fix_bit_crtc_reg(void) { viafb_unlock_crt(); /* always set to 1 */ viafb_write_reg_mask(CR03, VIACR, 0x80, BIT7); /* 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); */ viafb_lock_crt(); /* 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; } 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; } /* 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_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; } 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; } static inline u32 get_pll_internal_frequency(u32 ref_freq, struct pll_config pll) { return ref_freq / pll.divisor * pll.multiplier; } static inline u32 get_pll_output_frequency(u32 ref_freq, struct pll_config pll) { return get_pll_internal_frequency(ref_freq, pll)>>pll.rshift; } static struct pll_config get_pll_config(struct pll_config *config, int size, int clk) { struct pll_config best = config[0]; const u32 f0 = 14318180; /* X1 frequency */ int i; for (i = 1; i < size; i++) { if (abs(get_pll_output_frequency(f0, config[i]) - clk) < abs(get_pll_output_frequency(f0, best) - clk)) best = config[i]; } return best; } u32 viafb_get_clk_value(int clk) { u32 value = 0; switch (viaparinfo->chip_info->gfx_chip_name) { case UNICHROME_CLE266: case UNICHROME_K400: value = cle266_encode_pll(get_pll_config(cle266_pll_config, ARRAY_SIZE(cle266_pll_config), clk)); break; case UNICHROME_K800: case UNICHROME_PM800: case UNICHROME_CN700: value = k800_encode_pll(get_pll_config(k800_pll_config, ARRAY_SIZE(k800_pll_config), clk)); break; case UNICHROME_CX700: case UNICHROME_CN750: case UNICHROME_K8M890: case UNICHROME_P4M890: case UNICHROME_P4M900: case UNICHROME_VX800: value = k800_encode_pll(get_pll_config(cx700_pll_config, ARRAY_SIZE(cx700_pll_config), clk)); break; case UNICHROME_VX855: case UNICHROME_VX900: value = vx855_encode_pll(get_pll_config(vx855_pll_config, ARRAY_SIZE(vx855_pll_config), clk)); 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: case UNICHROME_VX900: 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: case UNICHROME_VX900: 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, 0x04, BIT2); viafb_write_reg_mask(SR40, VIASR, 0x00, BIT2); } /* 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, clock, refresh = viafb_refresh; if (viafb_SAMM_ON && set_iga == IGA2) refresh = viafb_refresh1; for (i = 0; i < video_mode->mode_array; i++) { index = i; if (crt_table[i].refresh_rate == refresh) 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 && refresh == 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; if (set_iga == IGA1) { viafb_unlock_crt(); 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; } 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); clock = crt_reg.hor_total * crt_reg.ver_total * crt_table[index].refresh_rate; pll_D_N = viafb_get_clk_value(clock); DEBUG_MSG(KERN_INFO "PLL=%x", pll_D_N); viafb_set_vclock(pll_D_N, set_iga); } void __devinit viafb_init_chip_info(int chip_type) { init_gfx_chip_info(chip_type); init_tmds_chip_info(); init_lvds_chip_info(); /*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 flag) { if (flag == 0) { 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_info2->h_active = hres; viaparinfo->lvds_setting_info2->v_active = vres; viaparinfo->lvds_setting_info2->bpp = bpp; } 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; } 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; } } } static void __devinit 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: case UNICHROME_VX900: 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 __devinit 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 __devinit 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 __devinit 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); } } } 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; } int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp, struct VideoModeTable *vmode_tbl1, int video_bpp1) { int i, j; int port; u32 devices = viaparinfo->shared->iga1_devices | viaparinfo->shared->iga2_devices; 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 */ viafb_write_regx(common_vga, ARRAY_SIZE(common_vga)); 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: case UNICHROME_VX900: viafb_write_regx(VX855_ModeXregs, NUM_TOTAL_VX855_ModeXregs); break; } viafb_write_regx(scaling_parameters, ARRAY_SIZE(scaling_parameters)); device_off(); via_set_state(devices, VIA_STATE_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); /* 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); } } load_fix_bit_crtc_reg(); 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); 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(); /* Update Refresh Rate Setting */ /* Clear On Screen */ /* CRT set mode */ if (viafb_CRT_ON) { if (viafb_SAMM_ON && viaparinfo->shared->iga2_devices & VIA_CRT) { viafb_fill_crtc_timing(crt_timing1, vmode_tbl1, video_bpp1 / 8, IGA2); } else { viafb_fill_crtc_timing(crt_timing, vmode_tbl, video_bpp / 8, (viaparinfo->shared->iga1_devices & VIA_CRT) ? IGA1 : IGA2); } /* 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_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)); } via_set_state(devices, VIA_STATE_ON); device_screen_on(); return 1; } int viafb_get_pixclock(int hres, int vres, int vmode_refresh) { int i; struct crt_mode_table *best; struct VideoModeTable *vmode = viafb_get_mode(hres, vres); if (!vmode) return RES_640X480_60HZ_PIXCLOCK; best = &vmode->crtc[0]; for (i = 1; i < vmode->mode_array; i++) { if (abs(vmode->crtc[i].refresh_rate - vmode_refresh) < abs(best->refresh_rate - vmode_refresh)) best = &vmode->crtc[i]; } return 1000000000 / (best->crtc.hor_total * best->crtc.ver_total) * 1000 / best->refresh_rate; } int viafb_get_refresh(int hres, int vres, u32 long_refresh) { int i; struct crt_mode_table *best; struct VideoModeTable *vmode = viafb_get_mode(hres, vres); if (!vmode) return 60; best = &vmode->crtc[0]; for (i = 1; i < vmode->mode_array; i++) { if (abs(vmode->crtc[i].refresh_rate - long_refresh) < abs(best->refresh_rate - long_refresh)) best = &vmode->crtc[i]; } if (abs(best->refresh_rate - long_refresh) > 3) { if (hres == 1200 && vres == 900) return 49; /* OLPC DCON only supports 50 Hz */ else return 60; } return best->refresh_rate; } static void device_off(void) { viafb_dvi_disable(); viafb_lcd_disable(); } static void device_on(void) { if (viafb_DVI_ON == 1) viafb_dvi_enable(); if (viafb_LCD_ON == 1) viafb_lcd_enable(); } 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; var->sync = 0; if (crt_timing[index].h_sync_polarity == POSITIVE) var->sync |= FB_SYNC_HOR_HIGH_ACT; if (crt_timing[index].v_sync_polarity == POSITIVE) var->sync |= FB_SYNC_VERT_HIGH_ACT; }