diff options
Diffstat (limited to 'drivers/video/via/lcd.c')
| -rw-r--r-- | drivers/video/via/lcd.c | 117 |
1 files changed, 13 insertions, 104 deletions
diff --git a/drivers/video/via/lcd.c b/drivers/video/via/lcd.c index 2ab0f156439a..fc25ae30c5f6 100644 --- a/drivers/video/via/lcd.c +++ b/drivers/video/via/lcd.c @@ -75,8 +75,6 @@ static void check_diport_of_integrated_lvds( static struct display_timing lcd_centering_timging(struct display_timing mode_crt_reg, struct display_timing panel_crt_reg); -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) { @@ -89,33 +87,8 @@ static int check_lvds_chip(int device_id_subaddr, int device_id) 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"); - fp_id_to_vindex(viafb_lcd_panel_id); - DEBUG_MSG(KERN_INFO "LCD Panel_ID = %d\n", - viaparinfo->lvds_setting_info->lcd_panel_id); - break; - case GET_LCD_SIZE_BY_USER_SETTING: - DEBUG_MSG(KERN_INFO "Get LCD Size method by user setting !!\n"); - fp_id_to_vindex(viafb_lcd_panel_id); - DEBUG_MSG(KERN_INFO "LCD Panel_ID = %d\n", - viaparinfo->lvds_setting_info->lcd_panel_id); - break; - default: - DEBUG_MSG(KERN_INFO "viafb_init_lcd_size fail\n"); - viaparinfo->lvds_setting_info->lcd_panel_id = - LCD_PANEL_ID1_800X600; - fp_id_to_vindex(LCD_PANEL_ID1_800X600); - } + fp_id_to_vindex(viafb_lcd_panel_id); viaparinfo->lvds_setting_info2->lcd_panel_id = viaparinfo->lvds_setting_info->lcd_panel_id; viaparinfo->lvds_setting_info2->lcd_panel_hres = @@ -437,14 +410,9 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres, /* 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) { + if (set_hres < panel_hres) { /* Load Horizontal Scaling Factor */ switch (viaparinfo->chip_info->gfx_chip_name) { case UNICHROME_CLE266: @@ -464,6 +432,10 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres, case UNICHROME_CX700: case UNICHROME_K8M890: case UNICHROME_P4M890: + case UNICHROME_P4M900: + case UNICHROME_CN750: + case UNICHROME_VX800: + case UNICHROME_VX855: reg_value = K800_LCD_HOR_SCF_FORMULA(set_hres, panel_hres); /* Horizontal scaling enabled */ @@ -483,7 +455,7 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres, } /* Check if expansion for vertical */ - if (set_vres != panel_vres) { + if (set_vres < panel_vres) { /* Load Vertical Scaling Factor */ switch (viaparinfo->chip_info->gfx_chip_name) { case UNICHROME_CLE266: @@ -503,6 +475,10 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres, case UNICHROME_CX700: case UNICHROME_K8M890: case UNICHROME_P4M890: + case UNICHROME_P4M900: + case UNICHROME_CN750: + case UNICHROME_VX800: + case UNICHROME_VX855: reg_value = K800_LCD_VER_SCF_FORMULA(set_vres, panel_vres); /* Vertical scaling enabled */ @@ -648,9 +624,8 @@ void viafb_lcd_set_mode(struct crt_mode_table *mode_crt_table, (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))) { + 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"); @@ -1139,69 +1114,3 @@ bool viafb_lcd_get_mobile_state(bool *mobile) 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); -} |