diff options
Diffstat (limited to 'drivers/video/via/lcd.c')
| -rw-r--r-- | drivers/video/via/lcd.c | 1821 |
1 files changed, 0 insertions, 1821 deletions
diff --git a/drivers/video/via/lcd.c b/drivers/video/via/lcd.c deleted file mode 100644 index 6c7290a6a44..00000000000 --- a/drivers/video/via/lcd.c +++ /dev/null @@ -1,1821 +0,0 @@ -/* - * 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" -#include "lcdtbl.h" - -static struct iga2_shadow_crtc_timing iga2_shadow_crtc_reg = { - /* IGA2 Shadow Horizontal Total */ - {IGA2_SHADOW_HOR_TOTAL_REG_NUM, {{CR6D, 0, 7}, {CR71, 3, 3} } }, - /* IGA2 Shadow Horizontal Blank End */ - {IGA2_SHADOW_HOR_BLANK_END_REG_NUM, {{CR6E, 0, 7} } }, - /* IGA2 Shadow Vertical Total */ - {IGA2_SHADOW_VER_TOTAL_REG_NUM, {{CR6F, 0, 7}, {CR71, 0, 2} } }, - /* IGA2 Shadow Vertical Addressable Video */ - {IGA2_SHADOW_VER_ADDR_REG_NUM, {{CR70, 0, 7}, {CR71, 4, 6} } }, - /* IGA2 Shadow Vertical Blank Start */ - {IGA2_SHADOW_VER_BLANK_START_REG_NUM, - {{CR72, 0, 7}, {CR74, 4, 6} } }, - /* IGA2 Shadow Vertical Blank End */ - {IGA2_SHADOW_VER_BLANK_END_REG_NUM, {{CR73, 0, 7}, {CR74, 0, 2} } }, - /* IGA2 Shadow Vertical Sync Start */ - {IGA2_SHADOW_VER_SYNC_START_REG_NUM, {{CR75, 0, 7}, {CR76, 4, 6} } }, - /* IGA2 Shadow Vertical Sync End */ - {IGA2_SHADOW_VER_SYNC_END_REG_NUM, {{CR76, 0, 3} } } -}; - -static struct _lcd_scaling_factor lcd_scaling_factor = { - /* LCD Horizontal Scaling Factor Register */ - {LCD_HOR_SCALING_FACTOR_REG_NUM, - {{CR9F, 0, 1}, {CR77, 0, 7}, {CR79, 4, 5} } }, - /* LCD Vertical Scaling Factor Register */ - {LCD_VER_SCALING_FACTOR_REG_NUM, - {{CR79, 3, 3}, {CR78, 0, 7}, {CR79, 6, 7} } } -}; -static struct _lcd_scaling_factor lcd_scaling_factor_CLE = { - /* LCD Horizontal Scaling Factor Register */ - {LCD_HOR_SCALING_FACTOR_REG_NUM_CLE, {{CR77, 0, 7}, {CR79, 4, 5} } }, - /* LCD Vertical Scaling Factor Register */ - {LCD_VER_SCALING_FACTOR_REG_NUM_CLE, {{CR78, 0, 7}, {CR79, 6, 7} } } -}; - -static int check_lvds_chip(int device_id_subaddr, int device_id); -static bool lvds_identify_integratedlvds(void); -static int fp_id_to_vindex(int panel_id); -static int lvds_register_read(int index); -static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres, - int panel_vres); -static void load_lcd_k400_patch_tbl(int set_hres, int set_vres, - int panel_id); -static void load_lcd_p880_patch_tbl(int set_hres, int set_vres, - int panel_id); -static void load_lcd_patch_regs(int set_hres, int set_vres, - int panel_id, int set_iga); -static void via_pitch_alignment_patch_lcd( - struct lvds_setting_information *plvds_setting_info, - struct lvds_chip_information - *plvds_chip_info); -static void lcd_patch_skew_dvp0(struct lvds_setting_information - *plvds_setting_info, - struct lvds_chip_information *plvds_chip_info); -static void lcd_patch_skew_dvp1(struct lvds_setting_information - *plvds_setting_info, - struct lvds_chip_information *plvds_chip_info); -static void lcd_patch_skew(struct lvds_setting_information - *plvds_setting_info, struct lvds_chip_information *plvds_chip_info); - -static void integrated_lvds_disable(struct lvds_setting_information - *plvds_setting_info, - struct lvds_chip_information *plvds_chip_info); -static void integrated_lvds_enable(struct lvds_setting_information - *plvds_setting_info, - struct lvds_chip_information *plvds_chip_info); -static void lcd_powersequence_off(void); -static void lcd_powersequence_on(void); -static void fill_lcd_format(void); -static void check_diport_of_integrated_lvds( - struct lvds_chip_information *plvds_chip_info, - struct lvds_setting_information - *plvds_setting_info); -static struct display_timing lcd_centering_timging(struct display_timing - mode_crt_reg, - struct display_timing panel_crt_reg); -static void load_crtc_shadow_timing(struct display_timing mode_timing, - struct display_timing panel_timing); -static void viafb_load_scaling_factor_for_p4m900(int set_hres, - int set_vres, int panel_hres, int panel_vres); - -static int check_lvds_chip(int device_id_subaddr, int device_id) -{ - if (lvds_register_read(device_id_subaddr) == device_id) - return OK; - else - return FAIL; -} - -void viafb_init_lcd_size(void) -{ - DEBUG_MSG(KERN_INFO "viafb_init_lcd_size()\n"); - DEBUG_MSG(KERN_INFO - "viaparinfo->lvds_setting_info->get_lcd_size_method %d\n", - viaparinfo->lvds_setting_info->get_lcd_size_method); - - switch (viaparinfo->lvds_setting_info->get_lcd_size_method) { - case GET_LCD_SIZE_BY_SYSTEM_BIOS: - break; - case GET_LCD_SZIE_BY_HW_STRAPPING: - break; - case GET_LCD_SIZE_BY_VGA_BIOS: - DEBUG_MSG(KERN_INFO "Get LCD Size method by VGA BIOS !!\n"); - viaparinfo->lvds_setting_info->lcd_panel_size = - fp_id_to_vindex(viafb_lcd_panel_id); - DEBUG_MSG(KERN_INFO "LCD Panel_ID = %d\n", - viaparinfo->lvds_setting_info->lcd_panel_id); - DEBUG_MSG(KERN_INFO "LCD Panel Size = %d\n", - viaparinfo->lvds_setting_info->lcd_panel_size); - break; - case GET_LCD_SIZE_BY_USER_SETTING: - DEBUG_MSG(KERN_INFO "Get LCD Size method by user setting !!\n"); - viaparinfo->lvds_setting_info->lcd_panel_size = - fp_id_to_vindex(viafb_lcd_panel_id); - DEBUG_MSG(KERN_INFO "LCD Panel_ID = %d\n", - viaparinfo->lvds_setting_info->lcd_panel_id); - DEBUG_MSG(KERN_INFO "LCD Panel Size = %d\n", - viaparinfo->lvds_setting_info->lcd_panel_size); - break; - default: - DEBUG_MSG(KERN_INFO "viafb_init_lcd_size fail\n"); - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID1_800X600; - viaparinfo->lvds_setting_info->lcd_panel_size = - fp_id_to_vindex(LCD_PANEL_ID1_800X600); - } - viaparinfo->lvds_setting_info2->lcd_panel_id = - viaparinfo->lvds_setting_info->lcd_panel_id; - viaparinfo->lvds_setting_info2->lcd_panel_size = - viaparinfo->lvds_setting_info->lcd_panel_size; - viaparinfo->lvds_setting_info2->lcd_panel_hres = - viaparinfo->lvds_setting_info->lcd_panel_hres; - viaparinfo->lvds_setting_info2->lcd_panel_vres = - viaparinfo->lvds_setting_info->lcd_panel_vres; - viaparinfo->lvds_setting_info2->device_lcd_dualedge = - viaparinfo->lvds_setting_info->device_lcd_dualedge; - viaparinfo->lvds_setting_info2->LCDDithering = - viaparinfo->lvds_setting_info->LCDDithering; -} - -static bool lvds_identify_integratedlvds(void) -{ - if (viafb_display_hardware_layout == HW_LAYOUT_LCD_EXTERNAL_LCD2) { - /* Two dual channel LCD (Internal LVDS + External LVDS): */ - /* If we have an external LVDS, such as VT1636, we should - have its chip ID already. */ - if (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { - viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name = - INTEGRATED_LVDS; - DEBUG_MSG(KERN_INFO "Support two dual channel LVDS!\ - (Internal LVDS + External LVDS)\n"); - } else { - viaparinfo->chip_info->lvds_chip_info.lvds_chip_name = - INTEGRATED_LVDS; - DEBUG_MSG(KERN_INFO "Not found external LVDS,\ - so can't support two dual channel LVDS!\n"); - } - } else if (viafb_display_hardware_layout == HW_LAYOUT_LCD1_LCD2) { - /* Two single channel LCD (Internal LVDS + Internal LVDS): */ - viaparinfo->chip_info->lvds_chip_info.lvds_chip_name = - INTEGRATED_LVDS; - viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name = - INTEGRATED_LVDS; - DEBUG_MSG(KERN_INFO "Support two single channel LVDS!\ - (Internal LVDS + Internal LVDS)\n"); - } else if (viafb_display_hardware_layout != HW_LAYOUT_DVI_ONLY) { - /* If we have found external LVDS, just use it, - otherwise, we will use internal LVDS as default. */ - if (!viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { - viaparinfo->chip_info->lvds_chip_info.lvds_chip_name = - INTEGRATED_LVDS; - DEBUG_MSG(KERN_INFO "Found Integrated LVDS!\n"); - } - } else { - viaparinfo->chip_info->lvds_chip_info.lvds_chip_name = - NON_LVDS_TRANSMITTER; - DEBUG_MSG(KERN_INFO "Do not support LVDS!\n"); - return false; - } - - return true; -} - -int viafb_lvds_trasmitter_identify(void) -{ - viaparinfo->i2c_stuff.i2c_port = I2CPORTINDEX; - if (viafb_lvds_identify_vt1636()) { - viaparinfo->chip_info->lvds_chip_info.i2c_port = I2CPORTINDEX; - DEBUG_MSG(KERN_INFO - "Found VIA VT1636 LVDS on port i2c 0x31 \n"); - } else { - viaparinfo->i2c_stuff.i2c_port = GPIOPORTINDEX; - if (viafb_lvds_identify_vt1636()) { - viaparinfo->chip_info->lvds_chip_info.i2c_port = - GPIOPORTINDEX; - DEBUG_MSG(KERN_INFO - "Found VIA VT1636 LVDS on port gpio 0x2c \n"); - } - } - - if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) - lvds_identify_integratedlvds(); - - if (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) - return true; - /* Check for VT1631: */ - viaparinfo->chip_info->lvds_chip_info.lvds_chip_name = VT1631_LVDS; - viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr = - VT1631_LVDS_I2C_ADDR; - - if (check_lvds_chip(VT1631_DEVICE_ID_REG, VT1631_DEVICE_ID) != FAIL) { - DEBUG_MSG(KERN_INFO "\n VT1631 LVDS ! \n"); - DEBUG_MSG(KERN_INFO "\n %2d", - viaparinfo->chip_info->lvds_chip_info.lvds_chip_name); - DEBUG_MSG(KERN_INFO "\n %2d", - viaparinfo->chip_info->lvds_chip_info.lvds_chip_name); - return OK; - } - - viaparinfo->chip_info->lvds_chip_info.lvds_chip_name = - NON_LVDS_TRANSMITTER; - viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr = - VT1631_LVDS_I2C_ADDR; - return FAIL; -} - -static int fp_id_to_vindex(int panel_id) -{ - DEBUG_MSG(KERN_INFO "fp_get_panel_id()\n"); - - if (panel_id > LCD_PANEL_ID_MAXIMUM) - viafb_lcd_panel_id = panel_id = - viafb_read_reg(VIACR, CR3F) & 0x0F; - - switch (panel_id) { - case 0x0: - viaparinfo->lvds_setting_info->lcd_panel_hres = 640; - viaparinfo->lvds_setting_info->lcd_panel_vres = 480; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID0_640X480; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; - viaparinfo->lvds_setting_info->LCDDithering = 1; - return VIA_RES_640X480; - break; - case 0x1: - viaparinfo->lvds_setting_info->lcd_panel_hres = 800; - viaparinfo->lvds_setting_info->lcd_panel_vres = 600; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID1_800X600; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; - viaparinfo->lvds_setting_info->LCDDithering = 1; - return VIA_RES_800X600; - break; - case 0x2: - viaparinfo->lvds_setting_info->lcd_panel_hres = 1024; - viaparinfo->lvds_setting_info->lcd_panel_vres = 768; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID2_1024X768; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; - viaparinfo->lvds_setting_info->LCDDithering = 1; - return VIA_RES_1024X768; - break; - case 0x3: - viaparinfo->lvds_setting_info->lcd_panel_hres = 1280; - viaparinfo->lvds_setting_info->lcd_panel_vres = 768; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID3_1280X768; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; - viaparinfo->lvds_setting_info->LCDDithering = 1; - return VIA_RES_1280X768; - break; - case 0x4: - viaparinfo->lvds_setting_info->lcd_panel_hres = 1280; - viaparinfo->lvds_setting_info->lcd_panel_vres = 1024; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID4_1280X1024; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 1; - viaparinfo->lvds_setting_info->LCDDithering = 1; - return VIA_RES_1280X1024; - break; - case 0x5: - viaparinfo->lvds_setting_info->lcd_panel_hres = 1400; - viaparinfo->lvds_setting_info->lcd_panel_vres = 1050; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID5_1400X1050; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 1; - viaparinfo->lvds_setting_info->LCDDithering = 1; - return VIA_RES_1400X1050; - break; - case 0x6: - viaparinfo->lvds_setting_info->lcd_panel_hres = 1600; - viaparinfo->lvds_setting_info->lcd_panel_vres = 1200; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID6_1600X1200; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 1; - viaparinfo->lvds_setting_info->LCDDithering = 1; - return VIA_RES_1600X1200; - break; - case 0x8: - viaparinfo->lvds_setting_info->lcd_panel_hres = 800; - viaparinfo->lvds_setting_info->lcd_panel_vres = 480; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_IDA_800X480; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; - viaparinfo->lvds_setting_info->LCDDithering = 1; - return VIA_RES_800X480; - break; - case 0x9: - viaparinfo->lvds_setting_info->lcd_panel_hres = 1024; - viaparinfo->lvds_setting_info->lcd_panel_vres = 768; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID2_1024X768; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 1; - viaparinfo->lvds_setting_info->LCDDithering = 1; - return VIA_RES_1024X768; - break; - case 0xA: - viaparinfo->lvds_setting_info->lcd_panel_hres = 1024; - viaparinfo->lvds_setting_info->lcd_panel_vres = 768; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID2_1024X768; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; - viaparinfo->lvds_setting_info->LCDDithering = 0; - return VIA_RES_1024X768; - break; - case 0xB: - viaparinfo->lvds_setting_info->lcd_panel_hres = 1024; - viaparinfo->lvds_setting_info->lcd_panel_vres = 768; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID2_1024X768; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 1; - viaparinfo->lvds_setting_info->LCDDithering = 0; - return VIA_RES_1024X768; - break; - case 0xC: - viaparinfo->lvds_setting_info->lcd_panel_hres = 1280; - viaparinfo->lvds_setting_info->lcd_panel_vres = 768; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID3_1280X768; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; - viaparinfo->lvds_setting_info->LCDDithering = 0; - return VIA_RES_1280X768; - break; - case 0xD: - viaparinfo->lvds_setting_info->lcd_panel_hres = 1280; - viaparinfo->lvds_setting_info->lcd_panel_vres = 1024; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID4_1280X1024; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 1; - viaparinfo->lvds_setting_info->LCDDithering = 0; - return VIA_RES_1280X1024; - break; - case 0xE: - viaparinfo->lvds_setting_info->lcd_panel_hres = 1400; - viaparinfo->lvds_setting_info->lcd_panel_vres = 1050; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID5_1400X1050; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 1; - viaparinfo->lvds_setting_info->LCDDithering = 0; - return VIA_RES_1400X1050; - break; - case 0xF: - viaparinfo->lvds_setting_info->lcd_panel_hres = 1600; - viaparinfo->lvds_setting_info->lcd_panel_vres = 1200; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID6_1600X1200; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 1; - viaparinfo->lvds_setting_info->LCDDithering = 0; - return VIA_RES_1600X1200; - break; - case 0x10: - viaparinfo->lvds_setting_info->lcd_panel_hres = 1366; - viaparinfo->lvds_setting_info->lcd_panel_vres = 768; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID7_1366X768; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; - viaparinfo->lvds_setting_info->LCDDithering = 0; - return VIA_RES_1368X768; - break; - case 0x11: - viaparinfo->lvds_setting_info->lcd_panel_hres = 1024; - viaparinfo->lvds_setting_info->lcd_panel_vres = 600; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID8_1024X600; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; - viaparinfo->lvds_setting_info->LCDDithering = 1; - return VIA_RES_1024X600; - break; - case 0x12: - viaparinfo->lvds_setting_info->lcd_panel_hres = 1280; - viaparinfo->lvds_setting_info->lcd_panel_vres = 768; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID3_1280X768; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 1; - viaparinfo->lvds_setting_info->LCDDithering = 1; - return VIA_RES_1280X768; - break; - case 0x13: - viaparinfo->lvds_setting_info->lcd_panel_hres = 1280; - viaparinfo->lvds_setting_info->lcd_panel_vres = 800; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID9_1280X800; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; - viaparinfo->lvds_setting_info->LCDDithering = 1; - return VIA_RES_1280X800; - break; - case 0x14: - viaparinfo->lvds_setting_info->lcd_panel_hres = 1360; - viaparinfo->lvds_setting_info->lcd_panel_vres = 768; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_IDB_1360X768; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; - viaparinfo->lvds_setting_info->LCDDithering = 0; - return VIA_RES_1360X768; - break; - case 0x15: - viaparinfo->lvds_setting_info->lcd_panel_hres = 1280; - viaparinfo->lvds_setting_info->lcd_panel_vres = 768; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID3_1280X768; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 1; - viaparinfo->lvds_setting_info->LCDDithering = 0; - return VIA_RES_1280X768; - break; - case 0x16: - viaparinfo->lvds_setting_info->lcd_panel_hres = 480; - viaparinfo->lvds_setting_info->lcd_panel_vres = 640; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_IDC_480X640; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; - viaparinfo->lvds_setting_info->LCDDithering = 1; - return VIA_RES_480X640; - break; - default: - viaparinfo->lvds_setting_info->lcd_panel_hres = 800; - viaparinfo->lvds_setting_info->lcd_panel_vres = 600; - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID1_800X600; - viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; - viaparinfo->lvds_setting_info->LCDDithering = 1; - return VIA_RES_800X600; - } -} - -static int lvds_register_read(int index) -{ - u8 data; - - viaparinfo->i2c_stuff.i2c_port = GPIOPORTINDEX; - viafb_i2c_readbyte((u8) viaparinfo->chip_info-> - lvds_chip_info.lvds_chip_slave_addr, - (u8) index, &data); - return data; -} - -static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres, - int panel_vres) -{ - int reg_value = 0; - int viafb_load_reg_num; - struct io_register *reg = NULL; - - DEBUG_MSG(KERN_INFO "load_lcd_scaling()!!\n"); - - /* LCD Scaling Enable */ - viafb_write_reg_mask(CR79, VIACR, 0x07, BIT0 + BIT1 + BIT2); - if (UNICHROME_P4M900 == viaparinfo->chip_info->gfx_chip_name) { - viafb_load_scaling_factor_for_p4m900(set_hres, set_vres, - panel_hres, panel_vres); - return; - } - - /* Check if expansion for horizontal */ - if (set_hres != panel_hres) { - /* Load Horizontal Scaling Factor */ - switch (viaparinfo->chip_info->gfx_chip_name) { - case UNICHROME_CLE266: - case UNICHROME_K400: - reg_value = - CLE266_LCD_HOR_SCF_FORMULA(set_hres, panel_hres); - viafb_load_reg_num = - lcd_scaling_factor_CLE.lcd_hor_scaling_factor. - reg_num; - reg = lcd_scaling_factor_CLE.lcd_hor_scaling_factor.reg; - viafb_load_reg(reg_value, - viafb_load_reg_num, reg, VIACR); - break; - case UNICHROME_K800: - case UNICHROME_PM800: - case UNICHROME_CN700: - case UNICHROME_CX700: - case UNICHROME_K8M890: - case UNICHROME_P4M890: - reg_value = - K800_LCD_HOR_SCF_FORMULA(set_hres, panel_hres); - /* Horizontal scaling enabled */ - viafb_write_reg_mask(CRA2, VIACR, 0xC0, BIT7 + BIT6); - viafb_load_reg_num = - lcd_scaling_factor.lcd_hor_scaling_factor.reg_num; - reg = lcd_scaling_factor.lcd_hor_scaling_factor.reg; - viafb_load_reg(reg_value, - viafb_load_reg_num, reg, VIACR); - break; - } - - DEBUG_MSG(KERN_INFO "Horizontal Scaling value = %d", reg_value); - } else { - /* Horizontal scaling disabled */ - viafb_write_reg_mask(CRA2, VIACR, 0x00, BIT7); - } - - /* Check if expansion for vertical */ - if (set_vres != panel_vres) { - /* Load Vertical Scaling Factor */ - switch (viaparinfo->chip_info->gfx_chip_name) { - case UNICHROME_CLE266: - case UNICHROME_K400: - reg_value = - CLE266_LCD_VER_SCF_FORMULA(set_vres, panel_vres); - viafb_load_reg_num = - lcd_scaling_factor_CLE.lcd_ver_scaling_factor. - reg_num; - reg = lcd_scaling_factor_CLE.lcd_ver_scaling_factor.reg; - viafb_load_reg(reg_value, - viafb_load_reg_num, reg, VIACR); - break; - case UNICHROME_K800: - case UNICHROME_PM800: - case UNICHROME_CN700: - case UNICHROME_CX700: - case UNICHROME_K8M890: - case UNICHROME_P4M890: - reg_value = - K800_LCD_VER_SCF_FORMULA(set_vres, panel_vres); - /* Vertical scaling enabled */ - viafb_write_reg_mask(CRA2, VIACR, 0x08, BIT3); - viafb_load_reg_num = - lcd_scaling_factor.lcd_ver_scaling_factor.reg_num; - reg = lcd_scaling_factor.lcd_ver_scaling_factor.reg; - viafb_load_reg(reg_value, - viafb_load_reg_num, reg, VIACR); - break; - } - - DEBUG_MSG(KERN_INFO "Vertical Scaling value = %d", reg_value); - } else { - /* Vertical scaling disabled */ - viafb_write_reg_mask(CRA2, VIACR, 0x00, BIT3); - } -} - -static void load_lcd_k400_patch_tbl(int set_hres, int set_vres, - int panel_id) -{ - int vmode_index; - int reg_num = 0; - struct io_reg *lcd_patch_reg = NULL; - - if (viaparinfo->lvds_setting_info->iga_path == IGA2) - vmode_index = viafb_get_mode_index(set_hres, set_vres, 1); - else - vmode_index = viafb_get_mode_index(set_hres, set_vres, 0); - switch (panel_id) { - /* LCD 800x600 */ - case LCD_PANEL_ID1_800X600: - switch (vmode_index) { - case VIA_RES_640X400: - case VIA_RES_640X480: - reg_num = NUM_TOTAL_K400_LCD_RES_6X4_8X6; - lcd_patch_reg = K400_LCD_RES_6X4_8X6; - break; - case VIA_RES_720X480: - case VIA_RES_720X576: - reg_num = NUM_TOTAL_K400_LCD_RES_7X4_8X6; - lcd_patch_reg = K400_LCD_RES_7X4_8X6; - break; - } - break; - - /* LCD 1024x768 */ - case LCD_PANEL_ID2_1024X768: - switch (vmode_index) { - case VIA_RES_640X400: - case VIA_RES_640X480: - reg_num = NUM_TOTAL_K400_LCD_RES_6X4_10X7; - lcd_patch_reg = K400_LCD_RES_6X4_10X7; - break; - case VIA_RES_720X480: - case VIA_RES_720X576: - reg_num = NUM_TOTAL_K400_LCD_RES_7X4_10X7; - lcd_patch_reg = K400_LCD_RES_7X4_10X7; - break; - case VIA_RES_800X600: - reg_num = NUM_TOTAL_K400_LCD_RES_8X6_10X7; - lcd_patch_reg = K400_LCD_RES_8X6_10X7; - break; - } - break; - - /* LCD 1280x1024 */ - case LCD_PANEL_ID4_1280X1024: - switch (vmode_index) { - case VIA_RES_640X400: - case VIA_RES_640X480: - reg_num = NUM_TOTAL_K400_LCD_RES_6X4_12X10; - lcd_patch_reg = K400_LCD_RES_6X4_12X10; - break; - case VIA_RES_720X480: - case VIA_RES_720X576: - reg_num = NUM_TOTAL_K400_LCD_RES_7X4_12X10; - lcd_patch_reg = K400_LCD_RES_7X4_12X10; - break; - case VIA_RES_800X600: - reg_num = NUM_TOTAL_K400_LCD_RES_8X6_12X10; - lcd_patch_reg = K400_LCD_RES_8X6_12X10; - break; - case VIA_RES_1024X768: - reg_num = NUM_TOTAL_K400_LCD_RES_10X7_12X10; - lcd_patch_reg = K400_LCD_RES_10X7_12X10; - break; - - } - break; - - /* LCD 1400x1050 */ - case LCD_PANEL_ID5_1400X1050: - switch (vmode_index) { - case VIA_RES_640X480: - reg_num = NUM_TOTAL_K400_LCD_RES_6X4_14X10; - lcd_patch_reg = K400_LCD_RES_6X4_14X10; - break; - case VIA_RES_800X600: - reg_num = NUM_TOTAL_K400_LCD_RES_8X6_14X10; - lcd_patch_reg = K400_LCD_RES_8X6_14X10; - break; - case VIA_RES_1024X768: - reg_num = NUM_TOTAL_K400_LCD_RES_10X7_14X10; - lcd_patch_reg = K400_LCD_RES_10X7_14X10; - break; - case VIA_RES_1280X768: - case VIA_RES_1280X800: - case VIA_RES_1280X960: - case VIA_RES_1280X1024: - reg_num = NUM_TOTAL_K400_LCD_RES_12X10_14X10; - lcd_patch_reg = K400_LCD_RES_12X10_14X10; - break; - } - break; - - /* LCD 1600x1200 */ - case LCD_PANEL_ID6_1600X1200: - switch (vmode_index) { - case VIA_RES_640X400: - case VIA_RES_640X480: - reg_num = NUM_TOTAL_K400_LCD_RES_6X4_16X12; - lcd_patch_reg = K400_LCD_RES_6X4_16X12; - break; - case VIA_RES_720X480: - case VIA_RES_720X576: - reg_num = NUM_TOTAL_K400_LCD_RES_7X4_16X12; - lcd_patch_reg = K400_LCD_RES_7X4_16X12; - break; - case VIA_RES_800X600: - reg_num = NUM_TOTAL_K400_LCD_RES_8X6_16X12; - lcd_patch_reg = K400_LCD_RES_8X6_16X12; - break; - case VIA_RES_1024X768: - reg_num = NUM_TOTAL_K400_LCD_RES_10X7_16X12; - lcd_patch_reg = K400_LCD_RES_10X7_16X12; - break; - case VIA_RES_1280X768: - case VIA_RES_1280X800: - case VIA_RES_1280X960: - case VIA_RES_1280X1024: - reg_num = NUM_TOTAL_K400_LCD_RES_12X10_16X12; - lcd_patch_reg = K400_LCD_RES_12X10_16X12; - break; - } - break; - - /* LCD 1366x768 */ - case LCD_PANEL_ID7_1366X768: - switch (vmode_index) { - case VIA_RES_640X480: - reg_num = NUM_TOTAL_K400_LCD_RES_6X4_1366X7; - lcd_patch_reg = K400_LCD_RES_6X4_1366X7; - break; - case VIA_RES_720X480: - case VIA_RES_720X576: - reg_num = NUM_TOTAL_K400_LCD_RES_7X4_1366X7; - lcd_patch_reg = K400_LCD_RES_7X4_1366X7; - break; - case VIA_RES_800X600: - reg_num = NUM_TOTAL_K400_LCD_RES_8X6_1366X7; - lcd_patch_reg = K400_LCD_RES_8X6_1366X7; - break; - case VIA_RES_1024X768: - reg_num = NUM_TOTAL_K400_LCD_RES_10X7_1366X7; - lcd_patch_reg = K400_LCD_RES_10X7_1366X7; - break; - case VIA_RES_1280X768: - case VIA_RES_1280X800: - case VIA_RES_1280X960: - case VIA_RES_1280X1024: - reg_num = NUM_TOTAL_K400_LCD_RES_12X10_1366X7; - lcd_patch_reg = K400_LCD_RES_12X10_1366X7; - break; - } - break; - - /* LCD 1360x768 */ - case LCD_PANEL_IDB_1360X768: - break; - } - if (reg_num != 0) { - /* H.W. Reset : ON */ - viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7); - - viafb_write_regx(lcd_patch_reg, reg_num); - - /* H.W. Reset : OFF */ - viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7); - - /* Reset PLL */ - viafb_write_reg_mask(SR40, VIASR, 0x02, BIT1); - viafb_write_reg_mask(SR40, VIASR, 0x00, BIT1); - - /* Fire! */ - outb(inb(VIARMisc) | (BIT2 + BIT3), VIAWMisc); - } -} - -static void load_lcd_p880_patch_tbl(int set_hres, int set_vres, - int panel_id) -{ - int vmode_index; - int reg_num = 0; - struct io_reg *lcd_patch_reg = NULL; - - if (viaparinfo->lvds_setting_info->iga_path == IGA2) - vmode_index = viafb_get_mode_index(set_hres, set_vres, 1); - else - vmode_index = viafb_get_mode_index(set_hres, set_vres, 0); - - switch (panel_id) { - case LCD_PANEL_ID5_1400X1050: - switch (vmode_index) { - case VIA_RES_640X480: - reg_num = NUM_TOTAL_P880_LCD_RES_6X4_14X10; - lcd_patch_reg = P880_LCD_RES_6X4_14X10; - break; - case VIA_RES_800X600: - reg_num = NUM_TOTAL_P880_LCD_RES_8X6_14X10; - lcd_patch_reg = P880_LCD_RES_8X6_14X10; - break; - } - break; - case LCD_PANEL_ID6_1600X1200: - switch (vmode_index) { - case VIA_RES_640X400: - case VIA_RES_640X480: - reg_num = NUM_TOTAL_P880_LCD_RES_6X4_16X12; - lcd_patch_reg = P880_LCD_RES_6X4_16X12; - break; - case VIA_RES_720X480: - case VIA_RES_720X576: - reg_num = NUM_TOTAL_P880_LCD_RES_7X4_16X12; - lcd_patch_reg = P880_LCD_RES_7X4_16X12; - break; - case VIA_RES_800X600: - reg_num = NUM_TOTAL_P880_LCD_RES_8X6_16X12; - lcd_patch_reg = P880_LCD_RES_8X6_16X12; - break; - case VIA_RES_1024X768: - reg_num = NUM_TOTAL_P880_LCD_RES_10X7_16X12; - lcd_patch_reg = P880_LCD_RES_10X7_16X12; - break; - case VIA_RES_1280X768: - case VIA_RES_1280X960: - case VIA_RES_1280X1024: - reg_num = NUM_TOTAL_P880_LCD_RES_12X10_16X12; - lcd_patch_reg = P880_LCD_RES_12X10_16X12; - break; - } - break; - - } - if (reg_num != 0) { - /* H.W. Reset : ON */ - viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7); - - viafb_write_regx(lcd_patch_reg, reg_num); - - /* H.W. Reset : OFF */ - viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7); - - /* Reset PLL */ - viafb_write_reg_mask(SR40, VIASR, 0x02, BIT1); - viafb_write_reg_mask(SR40, VIASR, 0x00, BIT1); - - /* Fire! */ - outb(inb(VIARMisc) | (BIT2 + BIT3), VIAWMisc); - } -} - -static void load_lcd_patch_regs(int set_hres, int set_vres, - int panel_id, int set_iga) -{ - int vmode_index; - - if (viaparinfo->lvds_setting_info->iga_path == IGA2) - vmode_index = viafb_get_mode_index(set_hres, set_vres, 1); - else - vmode_index = viafb_get_mode_index(set_hres, set_vres, 0); - - viafb_unlock_crt(); - - /* Patch for simultaneous & Expansion */ - if ((set_iga == IGA1_IGA2) && - (viaparinfo->lvds_setting_info->display_method == - LCD_EXPANDSION)) { - switch (viaparinfo->chip_info->gfx_chip_name) { - case UNICHROME_CLE266: - case UNICHROME_K400: - load_lcd_k400_patch_tbl(set_hres, set_vres, panel_id); - break; - case UNICHROME_K800: - break; - case UNICHROME_PM800: - case UNICHROME_CN700: - case UNICHROME_CX700: - load_lcd_p880_patch_tbl(set_hres, set_vres, panel_id); - } - } - - viafb_lock_crt(); -} - -static void via_pitch_alignment_patch_lcd( - struct lvds_setting_information *plvds_setting_info, - struct lvds_chip_information - *plvds_chip_info) -{ - unsigned char cr13, cr35, cr65, cr66, cr67; - unsigned long dwScreenPitch = 0; - unsigned long dwPitch; - - dwPitch = plvds_setting_info->h_active * (plvds_setting_info->bpp >> 3); - if (dwPitch & 0x1F) { - dwScreenPitch = ((dwPitch + 31) & ~31) >> 3; - if (plvds_setting_info->iga_path == IGA2) { - if (plvds_setting_info->bpp > 8) { - cr66 = (unsigned char)(dwScreenPitch & 0xFF); - viafb_write_reg(CR66, VIACR, cr66); - cr67 = viafb_read_reg(VIACR, CR67) & 0xFC; - cr67 |= - (unsigned - char)((dwScreenPitch & 0x300) >> 8); - viafb_write_reg(CR67, VIACR, cr67); - } - - /* Fetch Count */ - cr67 = viafb_read_reg(VIACR, CR67) & 0xF3; - cr67 |= (unsigned char)((dwScreenPitch & 0x600) >> 7); - viafb_write_reg(CR67, VIACR, cr67); - cr65 = (unsigned char)((dwScreenPitch >> 1) & 0xFF); - cr65 += 2; - viafb_write_reg(CR65, VIACR, cr65); - } else { - if (plvds_setting_info->bpp > 8) { - cr13 = (unsigned char)(dwScreenPitch & 0xFF); - viafb_write_reg(CR13, VIACR, cr13); - cr35 = viafb_read_reg(VIACR, CR35) & 0x1F; - cr35 |= - (unsigned - char)((dwScreenPitch & 0x700) >> 3); - viafb_write_reg(CR35, VIACR, cr35); - } - } - } -} -static void lcd_patch_skew_dvp0(struct lvds_setting_information - *plvds_setting_info, - struct lvds_chip_information *plvds_chip_info) -{ - if (VT1636_LVDS == plvds_chip_info->lvds_chip_name) { - switch (viaparinfo->chip_info->gfx_chip_name) { - case UNICHROME_P4M900: - viafb_vt1636_patch_skew_on_vt3364(plvds_setting_info, - plvds_chip_info); - break; - case UNICHROME_P4M890: - viafb_vt1636_patch_skew_on_vt3327(plvds_setting_info, - plvds_chip_info); - break; - } - } -} -static void lcd_patch_skew_dvp1(struct lvds_setting_information - *plvds_setting_info, - struct lvds_chip_information *plvds_chip_info) -{ - if (VT1636_LVDS == plvds_chip_info->lvds_chip_name) { - switch (viaparinfo->chip_info->gfx_chip_name) { - case UNICHROME_CX700: - viafb_vt1636_patch_skew_on_vt3324(plvds_setting_info, - plvds_chip_info); - break; - } - } -} -static void lcd_patch_skew(struct lvds_setting_information - *plvds_setting_info, struct lvds_chip_information *plvds_chip_info) -{ - DEBUG_MSG(KERN_INFO "lcd_patch_skew\n"); - switch (plvds_chip_info->output_interface) { - case INTERFACE_DVP0: - lcd_patch_skew_dvp0(plvds_setting_info, plvds_chip_info); - break; - case INTERFACE_DVP1: - lcd_patch_skew_dvp1(plvds_setting_info, plvds_chip_info); - break; - case INTERFACE_DFP_LOW: - if (UNICHROME_P4M900 == viaparinfo->chip_info->gfx_chip_name) { - viafb_write_reg_mask(CR99, VIACR, 0x08, - BIT0 + BIT1 + BIT2 + BIT3); - } - break; - } -} - -/* LCD Set Mode */ -void viafb_lcd_set_mode(struct crt_mode_table *mode_crt_table, - struct lvds_setting_information *plvds_setting_info, - struct lvds_chip_information *plvds_chip_info) -{ - int video_index = plvds_setting_info->lcd_panel_size; - int set_iga = plvds_setting_info->iga_path; - int mode_bpp = plvds_setting_info->bpp; - int viafb_load_reg_num = 0; - int reg_value = 0; - int set_hres, set_vres; - int panel_hres, panel_vres; - u32 pll_D_N; - int offset; - struct io_register *reg = NULL; - struct display_timing mode_crt_reg, panel_crt_reg; - struct crt_mode_table *panel_crt_table = NULL; - struct VideoModeTable *vmode_tbl = NULL; - - DEBUG_MSG(KERN_INFO "viafb_lcd_set_mode!!\n"); - /* Get mode table */ - mode_crt_reg = mode_crt_table->crtc; - /* Get panel table Pointer */ - vmode_tbl = viafb_get_modetbl_pointer(video_index); - panel_crt_table = vmode_tbl->crtc; - panel_crt_reg = panel_crt_table->crtc; - DEBUG_MSG(KERN_INFO "bellow viafb_lcd_set_mode!!\n"); - set_hres = plvds_setting_info->h_active; - set_vres = plvds_setting_info->v_active; - panel_hres = plvds_setting_info->lcd_panel_hres; - panel_vres = plvds_setting_info->lcd_panel_vres; - if (VT1636_LVDS == plvds_chip_info->lvds_chip_name) - viafb_init_lvds_vt1636(plvds_setting_info, plvds_chip_info); - plvds_setting_info->vclk = panel_crt_table->clk; - if (set_iga == IGA1) { - /* IGA1 doesn't have LCD scaling, so set it as centering. */ - viafb_load_crtc_timing(lcd_centering_timging - (mode_crt_reg, panel_crt_reg), IGA1); - } else { - /* Expansion */ - if ((plvds_setting_info->display_method == - LCD_EXPANDSION) & ((set_hres != panel_hres) - || (set_vres != panel_vres))) { - /* expansion timing IGA2 loaded panel set timing*/ - viafb_load_crtc_timing(panel_crt_reg, IGA2); - DEBUG_MSG(KERN_INFO "viafb_load_crtc_timing!!\n"); - load_lcd_scaling(set_hres, set_vres, panel_hres, - panel_vres); - DEBUG_MSG(KERN_INFO "load_lcd_scaling!!\n"); - } else { /* Centering */ - /* centering timing IGA2 always loaded panel - and mode releative timing */ - viafb_load_crtc_timing(lcd_centering_timging - (mode_crt_reg, panel_crt_reg), IGA2); - viafb_write_reg_mask(CR79, VIACR, 0x00, - BIT0 + BIT1 + BIT2); - /* LCD scaling disabled */ - } - } - - if (set_iga == IGA1_IGA2) { - load_crtc_shadow_timing(mode_crt_reg, panel_crt_reg); - /* Fill shadow registers */ - - switch (plvds_setting_info->lcd_panel_id) { - case LCD_PANEL_ID0_640X480: - offset = 80; - break; - case LCD_PANEL_ID1_800X600: - case LCD_PANEL_IDA_800X480: - offset = 110; - break; - case LCD_PANEL_ID2_1024X768: - offset = 150; - break; - case LCD_PANEL_ID3_1280X768: - case LCD_PANEL_ID4_1280X1024: - case LCD_PANEL_ID5_1400X1050: - case LCD_PANEL_ID9_1280X800: - offset = 190; - break; - case LCD_PANEL_ID6_1600X1200: - offset = 250; - break; - case LCD_PANEL_ID7_1366X768: - case LCD_PANEL_IDB_1360X768: - offset = 212; - break; - default: - offset = 140; - break; - } - - /* Offset for simultaneous */ - reg_value = offset; - viafb_load_reg_num = offset_reg.iga2_offset_reg.reg_num; - reg = offset_reg.iga2_offset_reg.reg; - viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR); - DEBUG_MSG(KERN_INFO "viafb_load_reg!!\n"); - viafb_load_fetch_count_reg(set_hres, 4, IGA2); - /* Fetch count for simultaneous */ - } else { /* SAMM */ - /* Offset for IGA2 only */ - viafb_load_offset_reg(set_hres, mode_bpp / 8, set_iga); - /* Fetch count for IGA2 only */ - viafb_load_fetch_count_reg(set_hres, mode_bpp / 8, set_iga); - - if ((viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266) - && (viaparinfo->chip_info->gfx_chip_name != UNICHROME_K400)) - viafb_load_FIFO_reg(set_iga, set_hres, set_vres); - - viafb_set_color_depth(mode_bpp / 8, set_iga); - } - - fill_lcd_format(); - - pll_D_N = viafb_get_clk_value(panel_crt_table[0].clk); - DEBUG_MSG(KERN_INFO "PLL=0x%x", pll_D_N); - viafb_set_vclock(pll_D_N, set_iga); - - viafb_set_output_path(DEVICE_LCD, set_iga, - plvds_chip_info->output_interface); - lcd_patch_skew(plvds_setting_info, plvds_chip_info); - - /* If K8M800, enable LCD Prefetch Mode. */ - if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) - || (UNICHROME_K8M890 == viaparinfo->chip_info->gfx_chip_name)) - viafb_write_reg_mask(CR6A, VIACR, 0x01, BIT0); - - load_lcd_patch_regs(set_hres, set_vres, - plvds_setting_info->lcd_panel_id, set_iga); - - DEBUG_MSG(KERN_INFO "load_lcd_patch_regs!!\n"); - - /* Patch for non 32bit alignment mode */ - via_pitch_alignment_patch_lcd(plvds_setting_info, plvds_chip_info); -} - -static void integrated_lvds_disable(struct lvds_setting_information - *plvds_setting_info, - struct lvds_chip_information *plvds_chip_info) -{ - bool turn_off_first_powersequence = false; - bool turn_off_second_powersequence = false; - if (INTERFACE_LVDS0LVDS1 == plvds_chip_info->output_interface) - turn_off_first_powersequence = true; - if (INTERFACE_LVDS0 == plvds_chip_info->output_interface) - turn_off_first_powersequence = true; - if (INTERFACE_LVDS1 == plvds_chip_info->output_interface) - turn_off_second_powersequence = true; - if (turn_off_second_powersequence) { - /* Use second power sequence control: */ - - /* Turn off power sequence. */ - viafb_write_reg_mask(CRD4, VIACR, 0, BIT1); - - /* Turn off back light. */ - viafb_write_reg_mask(CRD3, VIACR, 0xC0, BIT6 + BIT7); - } - if (turn_off_first_powersequence) { - /* Use first power sequence control: */ - - /* Turn off power sequence. */ - viafb_write_reg_mask(CR6A, VIACR, 0, BIT3); - - /* Turn off back light. */ - viafb_write_reg_mask(CR91, VIACR, 0xC0, BIT6 + BIT7); - } - - /* Turn DFP High/Low Pad off. */ - viafb_write_reg_mask(SR2A, VIASR, 0, BIT0 + BIT1 + BIT2 + BIT3); - - /* Power off LVDS channel. */ - switch (plvds_chip_info->output_interface) { - case INTERFACE_LVDS0: - { - viafb_write_reg_mask(CRD2, VIACR, 0x80, BIT7); - break; - } - - case INTERFACE_LVDS1: - { - viafb_write_reg_mask(CRD2, VIACR, 0x40, BIT6); - break; - } - - case INTERFACE_LVDS0LVDS1: - { - viafb_write_reg_mask(CRD2, VIACR, 0xC0, BIT6 + BIT7); - break; - } - } -} - -static void integrated_lvds_enable(struct lvds_setting_information - *plvds_setting_info, - struct lvds_chip_information *plvds_chip_info) -{ - bool turn_on_first_powersequence = false; - bool turn_on_second_powersequence = false; - - DEBUG_MSG(KERN_INFO "integrated_lvds_enable, out_interface:%d\n", - plvds_chip_info->output_interface); - if (plvds_setting_info->lcd_mode == LCD_SPWG) - viafb_write_reg_mask(CRD2, VIACR, 0x00, BIT0 + BIT1); - else - viafb_write_reg_mask(CRD2, VIACR, 0x03, BIT0 + BIT1); - if (INTERFACE_LVDS0LVDS1 == plvds_chip_info->output_interface) - turn_on_first_powersequence = true; - if (INTERFACE_LVDS0 == plvds_chip_info->output_interface) - turn_on_first_powersequence = true; - if (INTERFACE_LVDS1 == plvds_chip_info->output_interface) - turn_on_second_powersequence = true; - - if (turn_on_second_powersequence) { - /* Use second power sequence control: */ - - /* Use hardware control power sequence. */ - viafb_write_reg_mask(CRD3, VIACR, 0, BIT0); - - /* Turn on back light. */ - viafb_write_reg_mask(CRD3, VIACR, 0, BIT6 + BIT7); - - /* Turn on hardware power sequence. */ - viafb_write_reg_mask(CRD4, VIACR, 0x02, BIT1); - } - if (turn_on_first_powersequence) { - /* Use first power sequence control: */ - - /* Use hardware control power sequence. */ - viafb_write_reg_mask(CR91, VIACR, 0, BIT0); - - /* Turn on back light. */ - viafb_write_reg_mask(CR91, VIACR, 0, BIT6 + BIT7); - - /* Turn on hardware power sequence. */ - viafb_write_reg_mask(CR6A, VIACR, 0x08, BIT3); - } - - /* Turn DFP High/Low pad on. */ - viafb_write_reg_mask(SR2A, VIASR, 0x0F, BIT0 + BIT1 + BIT2 + BIT3); - - /* Power on LVDS channel. */ - switch (plvds_chip_info->output_interface) { - case INTERFACE_LVDS0: - { - viafb_write_reg_mask(CRD2, VIACR, 0, BIT7); - break; - } - - case INTERFACE_LVDS1: - { - viafb_write_reg_mask(CRD2, VIACR, 0, BIT6); - break; - } - - case INTERFACE_LVDS0LVDS1: - { - viafb_write_reg_mask(CRD2, VIACR, 0, BIT6 + BIT7); - break; - } - } -} - -void viafb_lcd_disable(void) -{ - - if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) { - lcd_powersequence_off(); - /* DI1 pad off */ - viafb_write_reg_mask(SR1E, VIASR, 0x00, 0x30); - } else if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) { - if (viafb_LCD2_ON - && (INTEGRATED_LVDS == - viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name)) - integrated_lvds_disable(viaparinfo->lvds_setting_info, - &viaparinfo->chip_info->lvds_chip_info2); - if (INTEGRATED_LVDS == - viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) - integrated_lvds_disable(viaparinfo->lvds_setting_info, - &viaparinfo->chip_info->lvds_chip_info); - if (VT1636_LVDS == viaparinfo->chip_info-> - lvds_chip_info.lvds_chip_name) - viafb_disable_lvds_vt1636(viaparinfo->lvds_setting_info, - &viaparinfo->chip_info->lvds_chip_info); - } else if (VT1636_LVDS == - viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { - viafb_disable_lvds_vt1636(viaparinfo->lvds_setting_info, - &viaparinfo->chip_info->lvds_chip_info); - } else { - /* DFP-HL pad off */ - viafb_write_reg_mask(SR2A, VIASR, 0x00, 0x0F); - /* Backlight off */ - viafb_write_reg_mask(SR3D, VIASR, 0x00, 0x20); - /* 24 bit DI data paht off */ - viafb_write_reg_mask(CR91, VIACR, 0x80, 0x80); - /* Simultaneout disabled */ - viafb_write_reg_mask(CR6B, VIACR, 0x00, 0x08); - } - - /* Disable expansion bit */ - viafb_write_reg_mask(CR79, VIACR, 0x00, 0x01); - /* CRT path set to IGA1 */ - viafb_write_reg_mask(SR16, VIASR, 0x00, 0x40); - /* Simultaneout disabled */ - viafb_write_reg_mask(CR6B, VIACR, 0x00, 0x08); - /* IGA2 path disabled */ - viafb_write_reg_mask(CR6A, VIACR, 0x00, 0x80); - -} - -void viafb_lcd_enable(void) -{ - if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) { - /* DI1 pad on */ - viafb_write_reg_mask(SR1E, VIASR, 0x30, 0x30); - lcd_powersequence_on(); - } else if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) { - if (viafb_LCD2_ON && (INTEGRATED_LVDS == - viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name)) - integrated_lvds_enable(viaparinfo->lvds_setting_info2, \ - &viaparinfo->chip_info->lvds_chip_info2); - if (INTEGRATED_LVDS == - viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) - integrated_lvds_enable(viaparinfo->lvds_setting_info, - &viaparinfo->chip_info->lvds_chip_info); - if (VT1636_LVDS == viaparinfo->chip_info-> - lvds_chip_info.lvds_chip_name) - viafb_enable_lvds_vt1636(viaparinfo-> - lvds_setting_info, &viaparinfo->chip_info-> - lvds_chip_info); - } else if (VT1636_LVDS == - viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { - viafb_enable_lvds_vt1636(viaparinfo->lvds_setting_info, - &viaparinfo->chip_info->lvds_chip_info); - } else { - /* DFP-HL pad on */ - viafb_write_reg_mask(SR2A, VIASR, 0x0F, 0x0F); - /* Backlight on */ - viafb_write_reg_mask(SR3D, VIASR, 0x20, 0x20); - /* 24 bit DI data paht on */ - viafb_write_reg_mask(CR91, VIACR, 0x00, 0x80); - - /* Set data source selection bit by iga path */ - if (viaparinfo->lvds_setting_info->iga_path == IGA1) { - /* DFP-H set to IGA1 */ - viafb_write_reg_mask(CR97, VIACR, 0x00, 0x10); - /* DFP-L set to IGA1 */ - viafb_write_reg_mask(CR99, VIACR, 0x00, 0x10); - } else { - /* DFP-H set to IGA2 */ - viafb_write_reg_mask(CR97, VIACR, 0x10, 0x10); - /* DFP-L set to IGA2 */ - viafb_write_reg_mask(CR99, VIACR, 0x10, 0x10); - } - /* LCD enabled */ - viafb_write_reg_mask(CR6A, VIACR, 0x48, 0x48); - } - - if ((viaparinfo->lvds_setting_info->iga_path == IGA1) - || (viaparinfo->lvds_setting_info->iga_path == IGA1_IGA2)) { - /* CRT path set to IGA2 */ - viafb_write_reg_mask(SR16, VIASR, 0x40, 0x40); - /* IGA2 path disabled */ - viafb_write_reg_mask(CR6A, VIACR, 0x00, 0x80); - /* IGA2 path enabled */ - } else { /* IGA2 */ - viafb_write_reg_mask(CR6A, VIACR, 0x80, 0x80); - } - -} - -static void lcd_powersequence_off(void) -{ - int i, mask, data; - - /* Software control power sequence */ - viafb_write_reg_mask(CR91, VIACR, 0x11, 0x11); - - for (i = 0; i < 3; i++) { - mask = PowerSequenceOff[0][i]; - data = PowerSequenceOff[1][i] & mask; - viafb_write_reg_mask(CR91, VIACR, (u8) data, (u8) mask); - udelay(PowerSequenceOff[2][i]); - } - - /* Disable LCD */ - viafb_write_reg_mask(CR6A, VIACR, 0x00, 0x08); -} - -static void lcd_powersequence_on(void) -{ - int i, mask, data; - - /* Software control power sequence */ - viafb_write_reg_mask(CR91, VIACR, 0x11, 0x11); - - /* Enable LCD */ - viafb_write_reg_mask(CR6A, VIACR, 0x08, 0x08); - - for (i = 0; i < 3; i++) { - mask = PowerSequenceOn[0][i]; - data = PowerSequenceOn[1][i] & mask; - viafb_write_reg_mask(CR91, VIACR, (u8) data, (u8) mask); - udelay(PowerSequenceOn[2][i]); - } - - udelay(1); -} - -static void fill_lcd_format(void) -{ - u8 bdithering = 0, bdual = 0; - - if (viaparinfo->lvds_setting_info->device_lcd_dualedge) - bdual = BIT4; - if (viaparinfo->lvds_setting_info->LCDDithering) - bdithering = BIT0; - /* Dual & Dithering */ - viafb_write_reg_mask(CR88, VIACR, (bdithering | bdual), BIT4 + BIT0); -} - -static void check_diport_of_integrated_lvds( - struct lvds_chip_information *plvds_chip_info, - struct lvds_setting_information - *plvds_setting_info) -{ - /* Determine LCD DI Port by hardware layout. */ - switch (viafb_display_hardware_layout) { - case HW_LAYOUT_LCD_ONLY: - { - if (plvds_setting_info->device_lcd_dualedge) { - plvds_chip_info->output_interface = - INTERFACE_LVDS0LVDS1; - } else { - plvds_chip_info->output_interface = - INTERFACE_LVDS0; - } - - break; - } - - case HW_LAYOUT_DVI_ONLY: - { - plvds_chip_info->output_interface = INTERFACE_NONE; - break; - } - - case HW_LAYOUT_LCD1_LCD2: - case HW_LAYOUT_LCD_EXTERNAL_LCD2: - { - plvds_chip_info->output_interface = - INTERFACE_LVDS0LVDS1; - break; - } - - case HW_LAYOUT_LCD_DVI: - { - plvds_chip_info->output_interface = INTERFACE_LVDS1; - break; - } - - default: - { - plvds_chip_info->output_interface = INTERFACE_LVDS1; - break; - } - } - - DEBUG_MSG(KERN_INFO - "Display Hardware Layout: 0x%x, LCD DI Port: 0x%x\n", - viafb_display_hardware_layout, - plvds_chip_info->output_interface); -} - -void viafb_init_lvds_output_interface(struct lvds_chip_information - *plvds_chip_info, - struct lvds_setting_information - *plvds_setting_info) -{ - if (INTERFACE_NONE != plvds_chip_info->output_interface) { - /*Do nothing, lcd port is specified by module parameter */ - return; - } - - switch (plvds_chip_info->lvds_chip_name) { - - case VT1636_LVDS: - switch (viaparinfo->chip_info->gfx_chip_name) { - case UNICHROME_CX700: - plvds_chip_info->output_interface = INTERFACE_DVP1; - break; - case UNICHROME_CN700: - plvds_chip_info->output_interface = INTERFACE_DFP_LOW; - break; - default: - plvds_chip_info->output_interface = INTERFACE_DVP0; - break; - } - break; - - case INTEGRATED_LVDS: - check_diport_of_integrated_lvds(plvds_chip_info, - plvds_setting_info); - break; - - default: - switch (viaparinfo->chip_info->gfx_chip_name) { - case UNICHROME_K8M890: - case UNICHROME_P4M900: - case UNICHROME_P4M890: - plvds_chip_info->output_interface = INTERFACE_DFP_LOW; - break; - default: - plvds_chip_info->output_interface = INTERFACE_DFP; - break; - } - break; - } -} - -static struct display_timing lcd_centering_timging(struct display_timing - mode_crt_reg, - struct display_timing panel_crt_reg) -{ - struct display_timing crt_reg; - - crt_reg.hor_total = panel_crt_reg.hor_total; - crt_reg.hor_addr = mode_crt_reg.hor_addr; - crt_reg.hor_blank_start = - (panel_crt_reg.hor_addr - mode_crt_reg.hor_addr) / 2 + - crt_reg.hor_addr; - crt_reg.hor_blank_end = panel_crt_reg.hor_blank_end; - crt_reg.hor_sync_start = - (panel_crt_reg.hor_sync_start - - panel_crt_reg.hor_blank_start) + crt_reg.hor_blank_start; - crt_reg.hor_sync_end = panel_crt_reg.hor_sync_end; - - crt_reg.ver_total = panel_crt_reg.ver_total; - crt_reg.ver_addr = mode_crt_reg.ver_addr; - crt_reg.ver_blank_start = - (panel_crt_reg.ver_addr - mode_crt_reg.ver_addr) / 2 + - crt_reg.ver_addr; - crt_reg.ver_blank_end = panel_crt_reg.ver_blank_end; - crt_reg.ver_sync_start = - (panel_crt_reg.ver_sync_start - - panel_crt_reg.ver_blank_start) + crt_reg.ver_blank_start; - crt_reg.ver_sync_end = panel_crt_reg.ver_sync_end; - - return crt_reg; -} - -static void load_crtc_shadow_timing(struct display_timing mode_timing, - struct display_timing panel_timing) -{ - struct io_register *reg = NULL; - int i; - int viafb_load_reg_Num = 0; - int reg_value = 0; - - if (viaparinfo->lvds_setting_info->display_method == LCD_EXPANDSION) { - /* Expansion */ - for (i = 12; i < 20; i++) { - switch (i) { - case H_TOTAL_SHADOW_INDEX: - reg_value = - IGA2_HOR_TOTAL_SHADOW_FORMULA - (panel_timing.hor_total); - viafb_load_reg_Num = - iga2_shadow_crtc_reg.hor_total_shadow. - reg_num; - reg = iga2_shadow_crtc_reg.hor_total_shadow.reg; - break; - case H_BLANK_END_SHADOW_INDEX: - reg_value = - IGA2_HOR_BLANK_END_SHADOW_FORMULA - (panel_timing.hor_blank_start, - panel_timing.hor_blank_end); - viafb_load_reg_Num = - iga2_shadow_crtc_reg. - hor_blank_end_shadow.reg_num; - reg = - iga2_shadow_crtc_reg. - hor_blank_end_shadow.reg; - break; - case V_TOTAL_SHADOW_INDEX: - reg_value = - IGA2_VER_TOTAL_SHADOW_FORMULA - (panel_timing.ver_total); - viafb_load_reg_Num = - iga2_shadow_crtc_reg.ver_total_shadow. - reg_num; - reg = iga2_shadow_crtc_reg.ver_total_shadow.reg; - break; - case V_ADDR_SHADOW_INDEX: - reg_value = - IGA2_VER_ADDR_SHADOW_FORMULA - (panel_timing.ver_addr); - viafb_load_reg_Num = - iga2_shadow_crtc_reg.ver_addr_shadow. - reg_num; - reg = iga2_shadow_crtc_reg.ver_addr_shadow.reg; - break; - case V_BLANK_SATRT_SHADOW_INDEX: - reg_value = - IGA2_VER_BLANK_START_SHADOW_FORMULA - (panel_timing.ver_blank_start); - viafb_load_reg_Num = - iga2_shadow_crtc_reg. - ver_blank_start_shadow.reg_num; - reg = - iga2_shadow_crtc_reg. - ver_blank_start_shadow.reg; - break; - case V_BLANK_END_SHADOW_INDEX: - reg_value = - IGA2_VER_BLANK_END_SHADOW_FORMULA - (panel_timing.ver_blank_start, - panel_timing.ver_blank_end); - viafb_load_reg_Num = - iga2_shadow_crtc_reg. - ver_blank_end_shadow.reg_num; - reg = - iga2_shadow_crtc_reg. - ver_blank_end_shadow.reg; - break; - case V_SYNC_SATRT_SHADOW_INDEX: - reg_value = - IGA2_VER_SYNC_START_SHADOW_FORMULA - (panel_timing.ver_sync_start); - viafb_load_reg_Num = - iga2_shadow_crtc_reg. - ver_sync_start_shadow.reg_num; - reg = - iga2_shadow_crtc_reg. - ver_sync_start_shadow.reg; - break; - case V_SYNC_END_SHADOW_INDEX: - reg_value = - IGA2_VER_SYNC_END_SHADOW_FORMULA - (panel_timing.ver_sync_start, - panel_timing.ver_sync_end); - viafb_load_reg_Num = - iga2_shadow_crtc_reg. - ver_sync_end_shadow.reg_num; - reg = - iga2_shadow_crtc_reg. - ver_sync_end_shadow.reg; - break; - } - viafb_load_reg(reg_value, - viafb_load_reg_Num, reg, VIACR); - } - } else { /* Centering */ - for (i = 12; i < 20; i++) { - switch (i) { - case H_TOTAL_SHADOW_INDEX: - reg_value = - IGA2_HOR_TOTAL_SHADOW_FORMULA - (panel_timing.hor_total); - viafb_load_reg_Num = - iga2_shadow_crtc_reg.hor_total_shadow. - reg_num; - reg = iga2_shadow_crtc_reg.hor_total_shadow.reg; - break; - case H_BLANK_END_SHADOW_INDEX: - reg_value = - IGA2_HOR_BLANK_END_SHADOW_FORMULA - (panel_timing.hor_blank_start, - panel_timing.hor_blank_end); - viafb_load_reg_Num = - iga2_shadow_crtc_reg. - hor_blank_end_shadow.reg_num; - reg = - iga2_shadow_crtc_reg. - hor_blank_end_shadow.reg; - break; - case V_TOTAL_SHADOW_INDEX: - reg_value = - IGA2_VER_TOTAL_SHADOW_FORMULA - (panel_timing.ver_total); - viafb_load_reg_Num = - iga2_shadow_crtc_reg.ver_total_shadow. - reg_num; - reg = iga2_shadow_crtc_reg.ver_total_shadow.reg; - break; - case V_ADDR_SHADOW_INDEX: - reg_value = - IGA2_VER_ADDR_SHADOW_FORMULA - (mode_timing.ver_addr); - viafb_load_reg_Num = - iga2_shadow_crtc_reg.ver_addr_shadow. - reg_num; - reg = iga2_shadow_crtc_reg.ver_addr_shadow.reg; - break; - case V_BLANK_SATRT_SHADOW_INDEX: - reg_value = - IGA2_VER_BLANK_START_SHADOW_FORMULA - (mode_timing.ver_blank_start); - viafb_load_reg_Num = - iga2_shadow_crtc_reg. - ver_blank_start_shadow.reg_num; - reg = - iga2_shadow_crtc_reg. - ver_blank_start_shadow.reg; - break; - case V_BLANK_END_SHADOW_INDEX: - reg_value = - IGA2_VER_BLANK_END_SHADOW_FORMULA - (panel_timing.ver_blank_start, - panel_timing.ver_blank_end); - viafb_load_reg_Num = - iga2_shadow_crtc_reg. - ver_blank_end_shadow.reg_num; - reg = - iga2_shadow_crtc_reg. - ver_blank_end_shadow.reg; - break; - case V_SYNC_SATRT_SHADOW_INDEX: - reg_value = - IGA2_VER_SYNC_START_SHADOW_FORMULA( - (panel_timing.ver_sync_start - - panel_timing.ver_blank_start) + - (panel_timing.ver_addr - - mode_timing.ver_addr) / 2 + - mode_timing.ver_addr); - viafb_load_reg_Num = - iga2_shadow_crtc_reg.ver_sync_start_shadow. - reg_num; - reg = - iga2_shadow_crtc_reg.ver_sync_start_shadow. - reg; - break; - case V_SYNC_END_SHADOW_INDEX: - reg_value = - IGA2_VER_SYNC_END_SHADOW_FORMULA( - (panel_timing.ver_sync_start - - panel_timing.ver_blank_start) + - (panel_timing.ver_addr - - mode_timing.ver_addr) / 2 + - mode_timing.ver_addr, - panel_timing.ver_sync_end); - viafb_load_reg_Num = - iga2_shadow_crtc_reg.ver_sync_end_shadow. - reg_num; - reg = - iga2_shadow_crtc_reg.ver_sync_end_shadow. - reg; - break; - } - viafb_load_reg(reg_value, - viafb_load_reg_Num, reg, VIACR); - } - } -} - -bool viafb_lcd_get_mobile_state(bool *mobile) -{ - unsigned char *romptr, *tableptr; - u8 core_base; - unsigned char *biosptr; - /* Rom address */ - u32 romaddr = 0x000C0000; - u16 start_pattern = 0; - - biosptr = ioremap(romaddr, 0x10000); - - memcpy(&start_pattern, biosptr, 2); - /* Compare pattern */ - if (start_pattern == 0xAA55) { - /* Get the start of Table */ - /* 0x1B means BIOS offset position */ - romptr = biosptr + 0x1B; - tableptr = biosptr + *((u16 *) romptr); - - /* Get the start of biosver structure */ - /* 18 means BIOS version position. */ - romptr = tableptr + 18; - romptr = biosptr + *((u16 *) romptr); - - /* The offset should be 44, but the - actual image is less three char. */ - /* pRom += 44; */ - romptr += 41; - - core_base = *romptr++; - - if (core_base & 0x8) - *mobile = false; - else - *mobile = true; - /* release memory */ - iounmap(biosptr); - - return true; - } else { - iounmap(biosptr); - return false; - } -} - -static void viafb_load_scaling_factor_for_p4m900(int set_hres, - int set_vres, int panel_hres, int panel_vres) -{ - int h_scaling_factor; - int v_scaling_factor; - u8 cra2 = 0; - u8 cr77 = 0; - u8 cr78 = 0; - u8 cr79 = 0; - u8 cr9f = 0; - /* Check if expansion for horizontal */ - if (set_hres < panel_hres) { - /* Load Horizontal Scaling Factor */ - - /* For VIA_K8M800 or later chipsets. */ - h_scaling_factor = - K800_LCD_HOR_SCF_FORMULA(set_hres, panel_hres); - /* HSCaleFactor[1:0] at CR9F[1:0] */ - cr9f = h_scaling_factor & 0x0003; - /* HSCaleFactor[9:2] at CR77[7:0] */ - cr77 = (h_scaling_factor & 0x03FC) >> 2; - /* HSCaleFactor[11:10] at CR79[5:4] */ - cr79 = (h_scaling_factor & 0x0C00) >> 10; - cr79 <<= 4; - - /* Horizontal scaling enabled */ - cra2 = 0xC0; - - DEBUG_MSG(KERN_INFO "Horizontal Scaling value = %d\n", - h_scaling_factor); - } else { - /* Horizontal scaling disabled */ - cra2 = 0x00; - } - - /* Check if expansion for vertical */ - if (set_vres < panel_vres) { - /* Load Vertical Scaling Factor */ - - /* For VIA_K8M800 or later chipsets. */ - v_scaling_factor = - K800_LCD_VER_SCF_FORMULA(set_vres, panel_vres); - - /* Vertical scaling enabled */ - cra2 |= 0x08; - /* VSCaleFactor[0] at CR79[3] */ - cr79 |= ((v_scaling_factor & 0x0001) << 3); - /* VSCaleFactor[8:1] at CR78[7:0] */ - cr78 |= (v_scaling_factor & 0x01FE) >> 1; - /* VSCaleFactor[10:9] at CR79[7:6] */ - cr79 |= ((v_scaling_factor & 0x0600) >> 9) << 6; - - DEBUG_MSG(KERN_INFO "Vertical Scaling value = %d\n", - v_scaling_factor); - } else { - /* Vertical scaling disabled */ - cra2 |= 0x00; - } - - viafb_write_reg_mask(CRA2, VIACR, cra2, BIT3 + BIT6 + BIT7); - viafb_write_reg_mask(CR77, VIACR, cr77, 0xFF); - viafb_write_reg_mask(CR78, VIACR, cr78, 0xFF); - viafb_write_reg_mask(CR79, VIACR, cr79, 0xF8); - viafb_write_reg_mask(CR9F, VIACR, cr9f, BIT0 + BIT1); -} |