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viafb: dvi.c, dvi.h, global.c and global.h
dvi.c, dvi.h: TMDS generic process and setting. global.c, global.h: define global variabls. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Joseph Chan <josephchan@via.com.tw> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
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4 changed files with 896 additions and 0 deletions
682
drivers/video/via/dvi.c
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682
drivers/video/via/dvi.c
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/*
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* Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
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* Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation;
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* either version 2, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR
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* A PARTICULAR PURPOSE.See the GNU General Public License
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* for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "global.h"
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static void tmds_register_write(int index, u8 data);
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static int tmds_register_read(int index);
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static int tmds_register_read_bytes(int index, u8 *buff, int buff_len);
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static int check_reduce_blanking_mode(int mode_index,
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int refresh_rate);
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static int dvi_get_panel_size_from_DDCv1(void);
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static int dvi_get_panel_size_from_DDCv2(void);
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static unsigned char dvi_get_panel_info(void);
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static int viafb_dvi_query_EDID(void);
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static int check_tmds_chip(int device_id_subaddr, int device_id)
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{
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if (tmds_register_read(device_id_subaddr) == device_id)
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return OK;
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else
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return FAIL;
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}
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void viafb_init_dvi_size(void)
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{
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DEBUG_MSG(KERN_INFO "viafb_init_dvi_size()\n");
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DEBUG_MSG(KERN_INFO
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"viaparinfo->tmds_setting_info->get_dvi_size_method %d\n",
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viaparinfo->tmds_setting_info->get_dvi_size_method);
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switch (viaparinfo->tmds_setting_info->get_dvi_size_method) {
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case GET_DVI_SIZE_BY_SYSTEM_BIOS:
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break;
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case GET_DVI_SZIE_BY_HW_STRAPPING:
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break;
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case GET_DVI_SIZE_BY_VGA_BIOS:
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default:
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dvi_get_panel_info();
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break;
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}
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return;
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}
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int viafb_tmds_trasmitter_identify(void)
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{
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unsigned char sr2a = 0, sr1e = 0, sr3e = 0;
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/* Turn on ouputting pad */
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switch (viaparinfo->chip_info->gfx_chip_name) {
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case UNICHROME_K8M890:
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/*=* DFP Low Pad on *=*/
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sr2a = viafb_read_reg(VIASR, SR2A);
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viafb_write_reg_mask(SR2A, VIASR, 0x03, BIT0 + BIT1);
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break;
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case UNICHROME_P4M900:
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case UNICHROME_P4M890:
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/* DFP Low Pad on */
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sr2a = viafb_read_reg(VIASR, SR2A);
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viafb_write_reg_mask(SR2A, VIASR, 0x03, BIT0 + BIT1);
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/* DVP0 Pad on */
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sr1e = viafb_read_reg(VIASR, SR1E);
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viafb_write_reg_mask(SR1E, VIASR, 0xC0, BIT6 + BIT7);
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break;
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default:
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/* DVP0/DVP1 Pad on */
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sr1e = viafb_read_reg(VIASR, SR1E);
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viafb_write_reg_mask(SR1E, VIASR, 0xF0, BIT4 +
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BIT5 + BIT6 + BIT7);
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/* SR3E[1]Multi-function selection:
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0 = Emulate I2C and DDC bus by GPIO2/3/4. */
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sr3e = viafb_read_reg(VIASR, SR3E);
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viafb_write_reg_mask(SR3E, VIASR, 0x0, BIT5);
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break;
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}
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/* Check for VT1632: */
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viaparinfo->chip_info->tmds_chip_info.tmds_chip_name = VT1632_TMDS;
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viaparinfo->chip_info->
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tmds_chip_info.tmds_chip_slave_addr = VT1632_TMDS_I2C_ADDR;
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viaparinfo->chip_info->tmds_chip_info.i2c_port = I2CPORTINDEX;
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if (check_tmds_chip(VT1632_DEVICE_ID_REG, VT1632_DEVICE_ID) != FAIL) {
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/*
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* Currently only support 12bits,dual edge,add 24bits mode later
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*/
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tmds_register_write(0x08, 0x3b);
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DEBUG_MSG(KERN_INFO "\n VT1632 TMDS ! \n");
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DEBUG_MSG(KERN_INFO "\n %2d",
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viaparinfo->chip_info->tmds_chip_info.tmds_chip_name);
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DEBUG_MSG(KERN_INFO "\n %2d",
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viaparinfo->chip_info->tmds_chip_info.i2c_port);
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return OK;
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} else {
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viaparinfo->chip_info->tmds_chip_info.i2c_port = GPIOPORTINDEX;
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if (check_tmds_chip(VT1632_DEVICE_ID_REG, VT1632_DEVICE_ID)
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!= FAIL) {
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tmds_register_write(0x08, 0x3b);
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DEBUG_MSG(KERN_INFO "\n VT1632 TMDS ! \n");
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DEBUG_MSG(KERN_INFO "\n %2d",
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viaparinfo->chip_info->
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tmds_chip_info.tmds_chip_name);
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DEBUG_MSG(KERN_INFO "\n %2d",
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viaparinfo->chip_info->
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tmds_chip_info.i2c_port);
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return OK;
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}
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}
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viaparinfo->chip_info->tmds_chip_info.tmds_chip_name = INTEGRATED_TMDS;
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if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) &&
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((viafb_display_hardware_layout == HW_LAYOUT_DVI_ONLY) ||
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(viafb_display_hardware_layout == HW_LAYOUT_LCD_DVI))) {
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DEBUG_MSG(KERN_INFO "\n Integrated TMDS ! \n");
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return OK;
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}
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switch (viaparinfo->chip_info->gfx_chip_name) {
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case UNICHROME_K8M890:
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viafb_write_reg(SR2A, VIASR, sr2a);
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break;
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case UNICHROME_P4M900:
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case UNICHROME_P4M890:
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viafb_write_reg(SR2A, VIASR, sr2a);
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viafb_write_reg(SR1E, VIASR, sr1e);
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break;
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default:
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viafb_write_reg(SR1E, VIASR, sr1e);
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viafb_write_reg(SR3E, VIASR, sr3e);
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break;
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}
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viaparinfo->chip_info->
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tmds_chip_info.tmds_chip_name = NON_TMDS_TRANSMITTER;
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viaparinfo->chip_info->tmds_chip_info.
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tmds_chip_slave_addr = VT1632_TMDS_I2C_ADDR;
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return FAIL;
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}
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static void tmds_register_write(int index, u8 data)
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{
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viaparinfo->i2c_stuff.i2c_port =
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viaparinfo->chip_info->tmds_chip_info.i2c_port;
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viafb_i2c_writebyte(viaparinfo->chip_info->tmds_chip_info.
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tmds_chip_slave_addr, index,
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data);
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}
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static int tmds_register_read(int index)
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{
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u8 data;
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viaparinfo->i2c_stuff.i2c_port =
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viaparinfo->chip_info->tmds_chip_info.i2c_port;
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viafb_i2c_readbyte((u8) viaparinfo->chip_info->
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tmds_chip_info.tmds_chip_slave_addr,
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(u8) index, &data);
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return data;
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}
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static int tmds_register_read_bytes(int index, u8 *buff, int buff_len)
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{
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viaparinfo->i2c_stuff.i2c_port =
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viaparinfo->chip_info->tmds_chip_info.i2c_port;
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viafb_i2c_readbytes((u8) viaparinfo->chip_info->tmds_chip_info.
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tmds_chip_slave_addr, (u8) index, buff, buff_len);
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return 0;
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}
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static int check_reduce_blanking_mode(int mode_index,
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int refresh_rate)
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{
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if (refresh_rate != 60)
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return false;
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switch (mode_index) {
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/* Following modes have reduce blanking mode. */
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case VIA_RES_1360X768:
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case VIA_RES_1400X1050:
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case VIA_RES_1440X900:
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case VIA_RES_1600X900:
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case VIA_RES_1680X1050:
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case VIA_RES_1920X1080:
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case VIA_RES_1920X1200:
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break;
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default:
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DEBUG_MSG(KERN_INFO
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"This dvi mode %d have no reduce blanking mode!\n",
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mode_index);
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return false;
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}
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return true;
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}
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/* DVI Set Mode */
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void viafb_dvi_set_mode(int video_index, int mode_bpp, int set_iga)
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{
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struct VideoModeTable *videoMode = NULL;
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struct crt_mode_table *pDviTiming;
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unsigned long desirePixelClock, maxPixelClock;
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int status = 0;
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videoMode = viafb_get_modetbl_pointer(video_index);
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pDviTiming = videoMode->crtc;
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desirePixelClock = pDviTiming->clk / 1000000;
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maxPixelClock = (unsigned long)viaparinfo->
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tmds_setting_info->max_pixel_clock;
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DEBUG_MSG(KERN_INFO "\nDVI_set_mode!!\n");
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if ((maxPixelClock != 0) && (desirePixelClock > maxPixelClock)) {
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/*Check if reduce-blanking mode is exist */
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status =
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check_reduce_blanking_mode(video_index,
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pDviTiming->refresh_rate);
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if (status) {
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video_index += 100; /*Use reduce-blanking mode */
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videoMode = viafb_get_modetbl_pointer(video_index);
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pDviTiming = videoMode->crtc;
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DEBUG_MSG(KERN_INFO
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"DVI use reduce blanking mode %d!!\n",
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video_index);
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}
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}
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viafb_fill_crtc_timing(pDviTiming, video_index, mode_bpp / 8, set_iga);
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viafb_set_output_path(DEVICE_DVI, set_iga,
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viaparinfo->chip_info->tmds_chip_info.output_interface);
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}
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/* Sense DVI Connector */
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int viafb_dvi_sense(void)
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{
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u8 RegSR1E = 0, RegSR3E = 0, RegCR6B = 0, RegCR91 = 0,
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RegCR93 = 0, RegCR9B = 0, data;
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int ret = false;
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DEBUG_MSG(KERN_INFO "viafb_dvi_sense!!\n");
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if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) {
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/* DI1 Pad on */
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RegSR1E = viafb_read_reg(VIASR, SR1E);
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viafb_write_reg(SR1E, VIASR, RegSR1E | 0x30);
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/* CR6B[0]VCK Input Selection: 1 = External clock. */
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RegCR6B = viafb_read_reg(VIACR, CR6B);
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viafb_write_reg(CR6B, VIACR, RegCR6B | 0x08);
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/* CR91[4] VDD On [3] Data On [2] VEE On [1] Back Light Off
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[0] Software Control Power Sequence */
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RegCR91 = viafb_read_reg(VIACR, CR91);
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viafb_write_reg(CR91, VIACR, 0x1D);
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/* CR93[7] DI1 Data Source Selection: 1 = DSP2.
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CR93[5] DI1 Clock Source: 1 = internal.
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CR93[4] DI1 Clock Polarity.
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CR93[3:1] DI1 Clock Adjust. CR93[0] DI1 enable */
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RegCR93 = viafb_read_reg(VIACR, CR93);
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viafb_write_reg(CR93, VIACR, 0x01);
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} else {
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/* DVP0/DVP1 Pad on */
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RegSR1E = viafb_read_reg(VIASR, SR1E);
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viafb_write_reg(SR1E, VIASR, RegSR1E | 0xF0);
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/* SR3E[1]Multi-function selection:
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0 = Emulate I2C and DDC bus by GPIO2/3/4. */
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RegSR3E = viafb_read_reg(VIASR, SR3E);
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viafb_write_reg(SR3E, VIASR, RegSR3E & (~0x20));
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/* CR91[4] VDD On [3] Data On [2] VEE On [1] Back Light Off
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[0] Software Control Power Sequence */
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RegCR91 = viafb_read_reg(VIACR, CR91);
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viafb_write_reg(CR91, VIACR, 0x1D);
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/*CR9B[4] DVP1 Data Source Selection: 1 = From secondary
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display.CR9B[2:0] DVP1 Clock Adjust */
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RegCR9B = viafb_read_reg(VIACR, CR9B);
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viafb_write_reg(CR9B, VIACR, 0x01);
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}
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data = (u8) tmds_register_read(0x09);
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if (data & 0x04)
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ret = true;
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if (ret == false) {
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if (viafb_dvi_query_EDID())
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ret = true;
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}
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/* Restore status */
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viafb_write_reg(SR1E, VIASR, RegSR1E);
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viafb_write_reg(CR91, VIACR, RegCR91);
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if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) {
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viafb_write_reg(CR6B, VIACR, RegCR6B);
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viafb_write_reg(CR93, VIACR, RegCR93);
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} else {
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viafb_write_reg(SR3E, VIASR, RegSR3E);
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viafb_write_reg(CR9B, VIACR, RegCR9B);
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}
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return ret;
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}
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/* Query Flat Panel's EDID Table Version Through DVI Connector */
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static int viafb_dvi_query_EDID(void)
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{
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u8 data0, data1;
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int restore;
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DEBUG_MSG(KERN_INFO "viafb_dvi_query_EDID!!\n");
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restore = viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr;
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viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = 0xA0;
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data0 = (u8) tmds_register_read(0x00);
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data1 = (u8) tmds_register_read(0x01);
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if ((data0 == 0) && (data1 == 0xFF)) {
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viaparinfo->chip_info->
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tmds_chip_info.tmds_chip_slave_addr = restore;
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return EDID_VERSION_1; /* Found EDID1 Table */
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}
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data0 = (u8) tmds_register_read(0x00);
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viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = restore;
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if (data0 == 0x20)
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return EDID_VERSION_2; /* Found EDID2 Table */
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else
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return false;
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}
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/*
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*
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* int dvi_get_panel_size_from_DDCv1(void)
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*
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* - Get Panel Size Using EDID1 Table
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*
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* Return Type: int
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*
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*/
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static int dvi_get_panel_size_from_DDCv1(void)
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{
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int i, max_h = 0, max_v = 0, tmp, restore;
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unsigned char rData;
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unsigned char EDID_DATA[18];
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DEBUG_MSG(KERN_INFO "\n dvi_get_panel_size_from_DDCv1 \n");
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restore = viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr;
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viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = 0xA0;
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rData = tmds_register_read(0x23);
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if (rData & 0x3C)
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max_h = 640;
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if (rData & 0xC0)
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max_h = 720;
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if (rData & 0x03)
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max_h = 800;
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rData = tmds_register_read(0x24);
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if (rData & 0xC0)
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max_h = 800;
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if (rData & 0x1E)
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max_h = 1024;
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if (rData & 0x01)
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max_h = 1280;
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for (i = 0x25; i < 0x6D; i++) {
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switch (i) {
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case 0x26:
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case 0x28:
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case 0x2A:
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case 0x2C:
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case 0x2E:
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case 0x30:
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case 0x32:
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case 0x34:
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rData = tmds_register_read(i);
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if (rData == 1)
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break;
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/* data = (data + 31) * 8 */
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tmp = (rData + 31) << 3;
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if (tmp > max_h)
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max_h = tmp;
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break;
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case 0x36:
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case 0x48:
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case 0x5A:
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case 0x6C:
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||||
tmds_register_read_bytes(i, EDID_DATA, 10);
|
||||
if (!(EDID_DATA[0] || EDID_DATA[1])) {
|
||||
/* The first two byte must be zero. */
|
||||
if (EDID_DATA[3] == 0xFD) {
|
||||
/* To get max pixel clock. */
|
||||
viaparinfo->tmds_setting_info->
|
||||
max_pixel_clock = EDID_DATA[9] * 10;
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
switch (max_h) {
|
||||
case 640:
|
||||
viaparinfo->tmds_setting_info->dvi_panel_size =
|
||||
VIA_RES_640X480;
|
||||
break;
|
||||
case 800:
|
||||
viaparinfo->tmds_setting_info->dvi_panel_size =
|
||||
VIA_RES_800X600;
|
||||
break;
|
||||
case 1024:
|
||||
viaparinfo->tmds_setting_info->dvi_panel_size =
|
||||
VIA_RES_1024X768;
|
||||
break;
|
||||
case 1280:
|
||||
viaparinfo->tmds_setting_info->dvi_panel_size =
|
||||
VIA_RES_1280X1024;
|
||||
break;
|
||||
case 1400:
|
||||
viaparinfo->tmds_setting_info->dvi_panel_size =
|
||||
VIA_RES_1400X1050;
|
||||
break;
|
||||
case 1440:
|
||||
viaparinfo->tmds_setting_info->dvi_panel_size =
|
||||
VIA_RES_1440X1050;
|
||||
break;
|
||||
case 1600:
|
||||
viaparinfo->tmds_setting_info->dvi_panel_size =
|
||||
VIA_RES_1600X1200;
|
||||
break;
|
||||
case 1920:
|
||||
if (max_v == 1200) {
|
||||
viaparinfo->tmds_setting_info->dvi_panel_size =
|
||||
VIA_RES_1920X1200;
|
||||
} else {
|
||||
viaparinfo->tmds_setting_info->dvi_panel_size =
|
||||
VIA_RES_1920X1080;
|
||||
}
|
||||
|
||||
break;
|
||||
default:
|
||||
viaparinfo->tmds_setting_info->dvi_panel_size =
|
||||
VIA_RES_1024X768;
|
||||
DEBUG_MSG(KERN_INFO "Unknow panel size max resolution = %d !\
|
||||
set default panel size.\n", max_h);
|
||||
break;
|
||||
}
|
||||
|
||||
DEBUG_MSG(KERN_INFO "DVI max pixelclock = %d\n",
|
||||
viaparinfo->tmds_setting_info->max_pixel_clock);
|
||||
viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = restore;
|
||||
return viaparinfo->tmds_setting_info->dvi_panel_size;
|
||||
}
|
||||
|
||||
/*
|
||||
*
|
||||
* int dvi_get_panel_size_from_DDCv2(void)
|
||||
*
|
||||
* - Get Panel Size Using EDID2 Table
|
||||
*
|
||||
* Return Type: int
|
||||
*
|
||||
*/
|
||||
static int dvi_get_panel_size_from_DDCv2(void)
|
||||
{
|
||||
int HSize = 0, restore;
|
||||
unsigned char R_Buffer[2];
|
||||
|
||||
DEBUG_MSG(KERN_INFO "\n dvi_get_panel_size_from_DDCv2 \n");
|
||||
|
||||
restore = viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr;
|
||||
viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = 0xA2;
|
||||
|
||||
/* Horizontal: 0x76, 0x77 */
|
||||
tmds_register_read_bytes(0x76, R_Buffer, 2);
|
||||
HSize = R_Buffer[0];
|
||||
HSize += R_Buffer[1] << 8;
|
||||
|
||||
switch (HSize) {
|
||||
case 640:
|
||||
viaparinfo->tmds_setting_info->dvi_panel_size =
|
||||
VIA_RES_640X480;
|
||||
break;
|
||||
case 800:
|
||||
viaparinfo->tmds_setting_info->dvi_panel_size =
|
||||
VIA_RES_800X600;
|
||||
break;
|
||||
case 1024:
|
||||
viaparinfo->tmds_setting_info->dvi_panel_size =
|
||||
VIA_RES_1024X768;
|
||||
break;
|
||||
case 1280:
|
||||
viaparinfo->tmds_setting_info->dvi_panel_size =
|
||||
VIA_RES_1280X1024;
|
||||
break;
|
||||
case 1400:
|
||||
viaparinfo->tmds_setting_info->dvi_panel_size =
|
||||
VIA_RES_1400X1050;
|
||||
break;
|
||||
case 1440:
|
||||
viaparinfo->tmds_setting_info->dvi_panel_size =
|
||||
VIA_RES_1440X1050;
|
||||
break;
|
||||
case 1600:
|
||||
viaparinfo->tmds_setting_info->dvi_panel_size =
|
||||
VIA_RES_1600X1200;
|
||||
break;
|
||||
default:
|
||||
viaparinfo->tmds_setting_info->dvi_panel_size =
|
||||
VIA_RES_1024X768;
|
||||
DEBUG_MSG(KERN_INFO "Unknow panel size max resolution = %d!\
|
||||
set default panel size.\n", HSize);
|
||||
break;
|
||||
}
|
||||
|
||||
viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = restore;
|
||||
return viaparinfo->tmds_setting_info->dvi_panel_size;
|
||||
}
|
||||
|
||||
/*
|
||||
*
|
||||
* unsigned char dvi_get_panel_info(void)
|
||||
*
|
||||
* - Get Panel Size
|
||||
*
|
||||
* Return Type: unsigned char
|
||||
*/
|
||||
static unsigned char dvi_get_panel_info(void)
|
||||
{
|
||||
unsigned char dvipanelsize;
|
||||
DEBUG_MSG(KERN_INFO "dvi_get_panel_info! \n");
|
||||
|
||||
viafb_dvi_sense();
|
||||
switch (viafb_dvi_query_EDID()) {
|
||||
case 1:
|
||||
dvi_get_panel_size_from_DDCv1();
|
||||
break;
|
||||
case 2:
|
||||
dvi_get_panel_size_from_DDCv2();
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
DEBUG_MSG(KERN_INFO "dvi panel size is %2d \n",
|
||||
viaparinfo->tmds_setting_info->dvi_panel_size);
|
||||
dvipanelsize = (unsigned char)(viaparinfo->
|
||||
tmds_setting_info->dvi_panel_size);
|
||||
return dvipanelsize;
|
||||
}
|
||||
|
||||
/* If Disable DVI, turn off pad */
|
||||
void viafb_dvi_disable(void)
|
||||
{
|
||||
if (viaparinfo->chip_info->
|
||||
tmds_chip_info.output_interface == INTERFACE_DVP0)
|
||||
viafb_write_reg(SR1E, VIASR,
|
||||
viafb_read_reg(VIASR, SR1E) & (~0xC0));
|
||||
|
||||
if (viaparinfo->chip_info->
|
||||
tmds_chip_info.output_interface == INTERFACE_DVP1)
|
||||
viafb_write_reg(SR1E, VIASR,
|
||||
viafb_read_reg(VIASR, SR1E) & (~0x30));
|
||||
|
||||
if (viaparinfo->chip_info->
|
||||
tmds_chip_info.output_interface == INTERFACE_DFP_HIGH)
|
||||
viafb_write_reg(SR2A, VIASR,
|
||||
viafb_read_reg(VIASR, SR2A) & (~0x0C));
|
||||
|
||||
if (viaparinfo->chip_info->
|
||||
tmds_chip_info.output_interface == INTERFACE_DFP_LOW)
|
||||
viafb_write_reg(SR2A, VIASR,
|
||||
viafb_read_reg(VIASR, SR2A) & (~0x03));
|
||||
|
||||
if (viaparinfo->chip_info->
|
||||
tmds_chip_info.output_interface == INTERFACE_TMDS)
|
||||
/* Turn off TMDS power. */
|
||||
viafb_write_reg(CRD2, VIACR,
|
||||
viafb_read_reg(VIACR, CRD2) | 0x08);
|
||||
}
|
||||
|
||||
/* If Enable DVI, turn off pad */
|
||||
void viafb_dvi_enable(void)
|
||||
{
|
||||
u8 data;
|
||||
|
||||
if (viaparinfo->chip_info->
|
||||
tmds_chip_info.output_interface == INTERFACE_DVP0) {
|
||||
viafb_write_reg(SR1E, VIASR,
|
||||
viafb_read_reg(VIASR, SR1E) | 0xC0);
|
||||
if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
|
||||
tmds_register_write(0x88, 0x3b);
|
||||
else
|
||||
/*clear CR91[5] to direct on display period
|
||||
in the secondary diplay path */
|
||||
viafb_write_reg(CR91, VIACR,
|
||||
viafb_read_reg(VIACR, CR91) & 0xDF);
|
||||
}
|
||||
|
||||
if (viaparinfo->chip_info->
|
||||
tmds_chip_info.output_interface == INTERFACE_DVP1) {
|
||||
viafb_write_reg(SR1E, VIASR,
|
||||
viafb_read_reg(VIASR, SR1E) | 0x30);
|
||||
|
||||
/*fix dvi cann't be enabled with MB VT5718C4 - Al Zhang */
|
||||
if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) {
|
||||
tmds_register_write(0x88, 0x3b);
|
||||
} else {
|
||||
/*clear CR91[5] to direct on display period
|
||||
in the secondary diplay path */
|
||||
viafb_write_reg(CR91, VIACR,
|
||||
viafb_read_reg(VIACR, CR91) & 0xDF);
|
||||
}
|
||||
|
||||
/*fix DVI cannot enable on EPIA-M board */
|
||||
if (viafb_platform_epia_dvi == 1) {
|
||||
viafb_write_reg_mask(CR91, VIACR, 0x1f, 0x1f);
|
||||
viafb_write_reg_mask(CR88, VIACR, 0x00, BIT6 + BIT0);
|
||||
if (viafb_bus_width == 24) {
|
||||
if (viafb_device_lcd_dualedge == 1)
|
||||
data = 0x3F;
|
||||
else
|
||||
data = 0x37;
|
||||
viafb_i2c_writebyte(viaparinfo->chip_info->
|
||||
tmds_chip_info.
|
||||
tmds_chip_slave_addr,
|
||||
0x08, data);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (viaparinfo->chip_info->
|
||||
tmds_chip_info.output_interface == INTERFACE_DFP_HIGH) {
|
||||
viafb_write_reg(SR2A, VIASR,
|
||||
viafb_read_reg(VIASR, SR2A) | 0x0C);
|
||||
viafb_write_reg(CR91, VIACR,
|
||||
viafb_read_reg(VIACR, CR91) & 0xDF);
|
||||
}
|
||||
|
||||
if (viaparinfo->chip_info->
|
||||
tmds_chip_info.output_interface == INTERFACE_DFP_LOW) {
|
||||
viafb_write_reg(SR2A, VIASR,
|
||||
viafb_read_reg(VIASR, SR2A) | 0x03);
|
||||
viafb_write_reg(CR91, VIACR,
|
||||
viafb_read_reg(VIACR, CR91) & 0xDF);
|
||||
}
|
||||
if (viaparinfo->chip_info->
|
||||
tmds_chip_info.output_interface == INTERFACE_TMDS) {
|
||||
/* Turn on Display period in the panel path. */
|
||||
viafb_write_reg_mask(CR91, VIACR, 0, BIT7);
|
||||
|
||||
/* Turn on TMDS power. */
|
||||
viafb_write_reg_mask(CRD2, VIACR, 0, BIT3);
|
||||
}
|
||||
}
|
||||
|
64
drivers/video/via/dvi.h
Normal file
64
drivers/video/via/dvi.h
Normal file
|
@ -0,0 +1,64 @@
|
|||
/*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef __DVI_H__
|
||||
#define __DVI_H__
|
||||
|
||||
/*Definition TMDS Device ID register*/
|
||||
#define VT1632_DEVICE_ID_REG 0x02
|
||||
#define VT1632_DEVICE_ID 0x92
|
||||
|
||||
#define GET_DVI_SIZE_BY_SYSTEM_BIOS 0x01
|
||||
#define GET_DVI_SIZE_BY_VGA_BIOS 0x02
|
||||
#define GET_DVI_SZIE_BY_HW_STRAPPING 0x03
|
||||
|
||||
/* Definition DVI Panel ID*/
|
||||
/* Resolution: 640x480, Channel: single, Dithering: Enable */
|
||||
#define DVI_PANEL_ID0_640X480 0x00
|
||||
/* Resolution: 800x600, Channel: single, Dithering: Enable */
|
||||
#define DVI_PANEL_ID1_800x600 0x01
|
||||
/* Resolution: 1024x768, Channel: single, Dithering: Enable */
|
||||
#define DVI_PANEL_ID1_1024x768 0x02
|
||||
/* Resolution: 1280x768, Channel: single, Dithering: Enable */
|
||||
#define DVI_PANEL_ID1_1280x768 0x03
|
||||
/* Resolution: 1280x1024, Channel: dual, Dithering: Enable */
|
||||
#define DVI_PANEL_ID1_1280x1024 0x04
|
||||
/* Resolution: 1400x1050, Channel: dual, Dithering: Enable */
|
||||
#define DVI_PANEL_ID1_1400x1050 0x05
|
||||
/* Resolution: 1600x1200, Channel: dual, Dithering: Enable */
|
||||
#define DVI_PANEL_ID1_1600x1200 0x06
|
||||
|
||||
/* Define the version of EDID*/
|
||||
#define EDID_VERSION_1 1
|
||||
#define EDID_VERSION_2 2
|
||||
|
||||
#define DEV_CONNECT_DVI 0x01
|
||||
#define DEV_CONNECT_HDMI 0x02
|
||||
|
||||
struct VideoModeTable *viafb_get_cea_mode_tbl_pointer(int Index);
|
||||
int viafb_dvi_sense(void);
|
||||
void viafb_dvi_disable(void);
|
||||
void viafb_dvi_enable(void);
|
||||
int viafb_tmds_trasmitter_identify(void);
|
||||
void viafb_init_dvi_size(void);
|
||||
void viafb_dvi_set_mode(int video_index, int mode_bpp, int set_iga);
|
||||
|
||||
#endif /* __DVI_H__ */
|
60
drivers/video/via/global.c
Normal file
60
drivers/video/via/global.c
Normal file
|
@ -0,0 +1,60 @@
|
|||
/*
|
||||
* 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 "global.h"
|
||||
int viafb_platform_epia_dvi = STATE_OFF;
|
||||
int viafb_device_lcd_dualedge = STATE_OFF;
|
||||
int viafb_bus_width = 12;
|
||||
int viafb_display_hardware_layout = HW_LAYOUT_LCD_DVI;
|
||||
int viafb_memsize;
|
||||
int viafb_DeviceStatus = CRT_Device;
|
||||
int viafb_hotplug;
|
||||
int viafb_refresh = 60;
|
||||
int viafb_refresh1 = 60;
|
||||
int viafb_lcd_dsp_method = LCD_EXPANDSION;
|
||||
int viafb_lcd_mode = LCD_OPENLDI;
|
||||
int viafb_bpp = 32;
|
||||
int viafb_bpp1 = 32;
|
||||
int viafb_accel = 1;
|
||||
int viafb_CRT_ON = 1;
|
||||
int viafb_DVI_ON;
|
||||
int viafb_LCD_ON ;
|
||||
int viafb_LCD2_ON;
|
||||
int viafb_SAMM_ON;
|
||||
int viafb_dual_fb;
|
||||
int viafb_hotplug_Xres = 640;
|
||||
int viafb_hotplug_Yres = 480;
|
||||
int viafb_hotplug_bpp = 32;
|
||||
int viafb_hotplug_refresh = 60;
|
||||
unsigned int viafb_second_offset;
|
||||
int viafb_second_size;
|
||||
int viafb_primary_dev = None_Device;
|
||||
void __iomem *viafb_FB_MM;
|
||||
unsigned int viafb_second_xres = 640;
|
||||
unsigned int viafb_second_yres = 480;
|
||||
unsigned int viafb_second_virtual_xres;
|
||||
unsigned int viafb_second_virtual_yres;
|
||||
int viafb_lcd_panel_id = LCD_PANEL_ID_MAXIMUM + 1;
|
||||
struct fb_cursor viacursor;
|
||||
struct fb_info *viafbinfo;
|
||||
struct fb_info *viafbinfo1;
|
||||
struct viafb_par *viaparinfo;
|
||||
struct viafb_par *viaparinfo1;
|
||||
|
90
drivers/video/via/global.h
Normal file
90
drivers/video/via/global.h
Normal file
|
@ -0,0 +1,90 @@
|
|||
/*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef __GLOBAL_H__
|
||||
#define __GLOBAL_H__
|
||||
|
||||
#include <linux/fb.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/ioport.h>
|
||||
#include <linux/pci.h>
|
||||
#include <linux/io.h>
|
||||
#include <linux/uaccess.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/proc_fs.h>
|
||||
#include <linux/console.h>
|
||||
#include <linux/timer.h>
|
||||
|
||||
#include "debug.h"
|
||||
|
||||
#include "iface.h"
|
||||
#include "viafbdev.h"
|
||||
#include "chip.h"
|
||||
#include "debug.h"
|
||||
#include "accel.h"
|
||||
#include "share.h"
|
||||
#include "dvi.h"
|
||||
#include "viamode.h"
|
||||
#include "via_i2c.h"
|
||||
#include "hw.h"
|
||||
|
||||
#include "lcd.h"
|
||||
#include "ioctl.h"
|
||||
#include "viamode.h"
|
||||
#include "via_utility.h"
|
||||
#include "vt1636.h"
|
||||
#include "tblDPASetting.h"
|
||||
#include "tbl1636.h"
|
||||
#include "viafbdev.h"
|
||||
|
||||
/* External struct*/
|
||||
|
||||
extern int viafb_platform_epia_dvi;
|
||||
extern int viafb_device_lcd_dualedge;
|
||||
extern int viafb_bus_width;
|
||||
extern int viafb_display_hardware_layout;
|
||||
extern struct offset offset_reg;
|
||||
extern struct viafb_par *viaparinfo;
|
||||
extern struct viafb_par *viaparinfo1;
|
||||
extern struct fb_info *viafbinfo;
|
||||
extern struct fb_info *viafbinfo1;
|
||||
extern int viafb_DeviceStatus;
|
||||
extern int viafb_refresh;
|
||||
extern int viafb_refresh1;
|
||||
extern int viafb_lcd_dsp_method;
|
||||
extern int viafb_lcd_mode;
|
||||
extern int viafb_bpp;
|
||||
extern int viafb_bpp1;
|
||||
|
||||
extern int viafb_CRT_ON;
|
||||
extern int viafb_hotplug_Xres;
|
||||
extern int viafb_hotplug_Yres;
|
||||
extern int viafb_hotplug_bpp;
|
||||
extern int viafb_hotplug_refresh;
|
||||
extern int viafb_primary_dev;
|
||||
extern void __iomem *viafb_FB_MM;
|
||||
extern struct fb_cursor viacursor;
|
||||
|
||||
extern unsigned int viafb_second_xres;
|
||||
extern unsigned int viafb_second_yres;
|
||||
extern int viafb_lcd_panel_id;
|
||||
|
||||
#endif /* __GLOBAL_H__ */
|
Loading…
Reference in a new issue