| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* |
| * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved. |
| * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. |
| |
| */ |
| |
| #include <linux/compiler.h> |
| #include <linux/module.h> |
| #include <linux/seq_file.h> |
| #include <linux/slab.h> |
| #include <linux/stat.h> |
| #include <linux/via-core.h> |
| #include <linux/via_i2c.h> |
| |
| #define _MASTER_FILE |
| #include "global.h" |
| |
| static char *viafb_name = "Via"; |
| static u32 pseudo_pal[17]; |
| |
| /* video mode */ |
| static char *viafb_mode; |
| static char *viafb_mode1; |
| static int viafb_bpp = 32; |
| static int viafb_bpp1 = 32; |
| |
| static unsigned int viafb_second_offset; |
| static int viafb_second_size; |
| |
| static int viafb_accel = 1; |
| |
| /* Added for specifying active devices.*/ |
| static char *viafb_active_dev; |
| |
| /*Added for specify lcd output port*/ |
| static char *viafb_lcd_port = ""; |
| static char *viafb_dvi_port = ""; |
| |
| static void retrieve_device_setting(struct viafb_ioctl_setting |
| *setting_info); |
| static int viafb_pan_display(struct fb_var_screeninfo *var, |
| struct fb_info *info); |
| |
| static struct fb_ops viafb_ops; |
| |
| /* supported output devices on each IGP |
| * only CX700, VX800, VX855, VX900 were documented |
| * VIA_CRT should be everywhere |
| * VIA_6C can be onle pre-CX700 (probably only on CLE266) as 6C is used for PLL |
| * source selection on CX700 and later |
| * K400 seems to support VIA_96, VIA_DVP1, VIA_LVDS{1,2} as in viamode.c |
| */ |
| static const u32 supported_odev_map[] = { |
| [UNICHROME_CLE266] = VIA_CRT | VIA_LDVP0 | VIA_LDVP1, |
| [UNICHROME_K400] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1 |
| | VIA_LVDS2, |
| [UNICHROME_K800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1 |
| | VIA_LVDS2, |
| [UNICHROME_PM800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1 |
| | VIA_LVDS2, |
| [UNICHROME_CN700] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1 |
| | VIA_LVDS2, |
| [UNICHROME_CX700] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, |
| [UNICHROME_CN750] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, |
| [UNICHROME_K8M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, |
| [UNICHROME_P4M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, |
| [UNICHROME_P4M900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, |
| [UNICHROME_VX800] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, |
| [UNICHROME_VX855] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, |
| [UNICHROME_VX900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2, |
| }; |
| |
| static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth) |
| { |
| var->grayscale = 0; |
| var->red.msb_right = 0; |
| var->green.msb_right = 0; |
| var->blue.msb_right = 0; |
| var->transp.offset = 0; |
| var->transp.length = 0; |
| var->transp.msb_right = 0; |
| var->nonstd = 0; |
| switch (depth) { |
| case 8: |
| var->bits_per_pixel = 8; |
| var->red.offset = 0; |
| var->green.offset = 0; |
| var->blue.offset = 0; |
| var->red.length = 8; |
| var->green.length = 8; |
| var->blue.length = 8; |
| break; |
| case 15: |
| var->bits_per_pixel = 16; |
| var->red.offset = 10; |
| var->green.offset = 5; |
| var->blue.offset = 0; |
| var->red.length = 5; |
| var->green.length = 5; |
| var->blue.length = 5; |
| break; |
| case 16: |
| var->bits_per_pixel = 16; |
| var->red.offset = 11; |
| var->green.offset = 5; |
| var->blue.offset = 0; |
| var->red.length = 5; |
| var->green.length = 6; |
| var->blue.length = 5; |
| break; |
| case 24: |
| var->bits_per_pixel = 32; |
| var->red.offset = 16; |
| var->green.offset = 8; |
| var->blue.offset = 0; |
| var->red.length = 8; |
| var->green.length = 8; |
| var->blue.length = 8; |
| break; |
| case 30: |
| var->bits_per_pixel = 32; |
| var->red.offset = 20; |
| var->green.offset = 10; |
| var->blue.offset = 0; |
| var->red.length = 10; |
| var->green.length = 10; |
| var->blue.length = 10; |
| break; |
| } |
| } |
| |
| static void viafb_update_fix(struct fb_info *info) |
| { |
| u32 bpp = info->var.bits_per_pixel; |
| |
| info->fix.visual = |
| bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; |
| info->fix.line_length = ALIGN(info->var.xres_virtual * bpp / 8, |
| VIA_PITCH_SIZE); |
| } |
| |
| static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix, |
| struct viafb_par *viaparinfo) |
| { |
| memset(fix, 0, sizeof(struct fb_fix_screeninfo)); |
| strcpy(fix->id, viafb_name); |
| |
| fix->smem_start = viaparinfo->fbmem; |
| fix->smem_len = viaparinfo->fbmem_free; |
| |
| fix->type = FB_TYPE_PACKED_PIXELS; |
| fix->type_aux = 0; |
| fix->visual = FB_VISUAL_TRUECOLOR; |
| |
| fix->xpanstep = fix->ywrapstep = 0; |
| fix->ypanstep = 1; |
| |
| /* Just tell the accel name */ |
| viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME; |
| } |
| static int viafb_open(struct fb_info *info, int user) |
| { |
| DEBUG_MSG(KERN_INFO "viafb_open!\n"); |
| return 0; |
| } |
| |
| static int viafb_release(struct fb_info *info, int user) |
| { |
| DEBUG_MSG(KERN_INFO "viafb_release!\n"); |
| return 0; |
| } |
| |
| static inline int get_var_refresh(struct fb_var_screeninfo *var) |
| { |
| u32 htotal, vtotal; |
| |
| htotal = var->left_margin + var->xres + var->right_margin |
| + var->hsync_len; |
| vtotal = var->upper_margin + var->yres + var->lower_margin |
| + var->vsync_len; |
| return PICOS2KHZ(var->pixclock) * 1000 / (htotal * vtotal); |
| } |
| |
| static int viafb_check_var(struct fb_var_screeninfo *var, |
| struct fb_info *info) |
| { |
| int depth, refresh; |
| struct viafb_par *ppar = info->par; |
| u32 line; |
| |
| DEBUG_MSG(KERN_INFO "viafb_check_var!\n"); |
| /* Sanity check */ |
| /* HW neither support interlacte nor double-scaned mode */ |
| if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE) |
| return -EINVAL; |
| |
| /* the refresh rate is not important here, as we only want to know |
| * whether the resolution exists |
| */ |
| if (!viafb_get_best_mode(var->xres, var->yres, 60)) { |
| DEBUG_MSG(KERN_INFO |
| "viafb: Mode %dx%dx%d not supported!!\n", |
| var->xres, var->yres, var->bits_per_pixel); |
| return -EINVAL; |
| } |
| |
| depth = fb_get_color_depth(var, &info->fix); |
| if (!depth) |
| depth = var->bits_per_pixel; |
| |
| if (depth < 0 || depth > 32) |
| return -EINVAL; |
| else if (!depth) |
| depth = 24; |
| else if (depth == 15 && viafb_dual_fb && ppar->iga_path == IGA1) |
| depth = 15; |
| else if (depth == 30) |
| depth = 30; |
| else if (depth <= 8) |
| depth = 8; |
| else if (depth <= 16) |
| depth = 16; |
| else |
| depth = 24; |
| |
| viafb_fill_var_color_info(var, depth); |
| if (var->xres_virtual < var->xres) |
| var->xres_virtual = var->xres; |
| |
| line = ALIGN(var->xres_virtual * var->bits_per_pixel / 8, |
| VIA_PITCH_SIZE); |
| if (line > VIA_PITCH_MAX || line * var->yres_virtual > ppar->memsize) |
| return -EINVAL; |
| |
| /* Based on var passed in to calculate the refresh, |
| * because our driver use some modes special. |
| */ |
| refresh = viafb_get_refresh(var->xres, var->yres, |
| get_var_refresh(var)); |
| |
| /* Adjust var according to our driver's own table */ |
| viafb_fill_var_timing_info(var, |
| viafb_get_best_mode(var->xres, var->yres, refresh)); |
| if (var->accel_flags & FB_ACCELF_TEXT && |
| !ppar->shared->vdev->engine_mmio) |
| var->accel_flags = 0; |
| |
| return 0; |
| } |
| |
| static int viafb_set_par(struct fb_info *info) |
| { |
| struct viafb_par *viapar = info->par; |
| int refresh; |
| DEBUG_MSG(KERN_INFO "viafb_set_par!\n"); |
| |
| viafb_update_fix(info); |
| viapar->depth = fb_get_color_depth(&info->var, &info->fix); |
| viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres, |
| viafbinfo->var.bits_per_pixel, 0); |
| |
| if (viafb_dual_fb) { |
| viafb_update_device_setting(viafbinfo1->var.xres, |
| viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel, |
| 1); |
| } else if (viafb_SAMM_ON == 1) { |
| DEBUG_MSG(KERN_INFO |
| "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n", |
| viafb_second_xres, viafb_second_yres, viafb_bpp1); |
| |
| viafb_update_device_setting(viafb_second_xres, |
| viafb_second_yres, viafb_bpp1, 1); |
| } |
| |
| refresh = get_var_refresh(&info->var); |
| if (viafb_dual_fb && viapar->iga_path == IGA2) { |
| viafb_bpp1 = info->var.bits_per_pixel; |
| viafb_refresh1 = refresh; |
| } else { |
| viafb_bpp = info->var.bits_per_pixel; |
| viafb_refresh = refresh; |
| } |
| |
| if (info->var.accel_flags & FB_ACCELF_TEXT) |
| info->flags &= ~FBINFO_HWACCEL_DISABLED; |
| else |
| info->flags |= FBINFO_HWACCEL_DISABLED; |
| viafb_setmode(); |
| viafb_pan_display(&info->var, info); |
| |
| return 0; |
| } |
| |
| /* Set one color register */ |
| static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green, |
| unsigned blue, unsigned transp, struct fb_info *info) |
| { |
| struct viafb_par *viapar = info->par; |
| u32 r, g, b; |
| |
| if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) { |
| if (regno > 255) |
| return -EINVAL; |
| |
| if (!viafb_dual_fb || viapar->iga_path == IGA1) |
| viafb_set_primary_color_register(regno, red >> 8, |
| green >> 8, blue >> 8); |
| |
| if (!viafb_dual_fb || viapar->iga_path == IGA2) |
| viafb_set_secondary_color_register(regno, red >> 8, |
| green >> 8, blue >> 8); |
| } else { |
| if (regno > 15) |
| return -EINVAL; |
| |
| r = (red >> (16 - info->var.red.length)) |
| << info->var.red.offset; |
| b = (blue >> (16 - info->var.blue.length)) |
| << info->var.blue.offset; |
| g = (green >> (16 - info->var.green.length)) |
| << info->var.green.offset; |
| ((u32 *) info->pseudo_palette)[regno] = r | g | b; |
| } |
| |
| return 0; |
| } |
| |
| static int viafb_pan_display(struct fb_var_screeninfo *var, |
| struct fb_info *info) |
| { |
| struct viafb_par *viapar = info->par; |
| u32 vram_addr = viapar->vram_addr |
| + var->yoffset * info->fix.line_length |
| + var->xoffset * info->var.bits_per_pixel / 8; |
| |
| DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr); |
| if (!viafb_dual_fb) { |
| via_set_primary_address(vram_addr); |
| via_set_secondary_address(vram_addr); |
| } else if (viapar->iga_path == IGA1) |
| via_set_primary_address(vram_addr); |
| else |
| via_set_secondary_address(vram_addr); |
| |
| return 0; |
| } |
| |
| static int viafb_blank(int blank_mode, struct fb_info *info) |
| { |
| DEBUG_MSG(KERN_INFO "viafb_blank!\n"); |
| /* clear DPMS setting */ |
| |
| switch (blank_mode) { |
| case FB_BLANK_UNBLANK: |
| /* Screen: On, HSync: On, VSync: On */ |
| /* control CRT monitor power management */ |
| via_set_state(VIA_CRT, VIA_STATE_ON); |
| break; |
| case FB_BLANK_HSYNC_SUSPEND: |
| /* Screen: Off, HSync: Off, VSync: On */ |
| /* control CRT monitor power management */ |
| via_set_state(VIA_CRT, VIA_STATE_STANDBY); |
| break; |
| case FB_BLANK_VSYNC_SUSPEND: |
| /* Screen: Off, HSync: On, VSync: Off */ |
| /* control CRT monitor power management */ |
| via_set_state(VIA_CRT, VIA_STATE_SUSPEND); |
| break; |
| case FB_BLANK_POWERDOWN: |
| /* Screen: Off, HSync: Off, VSync: Off */ |
| /* control CRT monitor power management */ |
| via_set_state(VIA_CRT, VIA_STATE_OFF); |
| break; |
| } |
| |
| return 0; |
| } |
| |
| static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg) |
| { |
| union { |
| struct viafb_ioctl_mode viamode; |
| struct viafb_ioctl_samm viasamm; |
| struct viafb_driver_version driver_version; |
| struct fb_var_screeninfo sec_var; |
| struct _panel_size_pos_info panel_pos_size_para; |
| struct viafb_ioctl_setting viafb_setting; |
| struct device_t active_dev; |
| } u; |
| u32 state_info = 0; |
| u32 *viafb_gamma_table; |
| char driver_name[] = "viafb"; |
| |
| u32 __user *argp = (u32 __user *) arg; |
| u32 gpu32; |
| |
| DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd); |
| printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n"); |
| memset(&u, 0, sizeof(u)); |
| |
| switch (cmd) { |
| case VIAFB_GET_CHIP_INFO: |
| if (copy_to_user(argp, viaparinfo->chip_info, |
| sizeof(struct chip_information))) |
| return -EFAULT; |
| break; |
| case VIAFB_GET_INFO_SIZE: |
| return put_user((u32)sizeof(struct viafb_ioctl_info), argp); |
| case VIAFB_GET_INFO: |
| return viafb_ioctl_get_viafb_info(arg); |
| case VIAFB_HOTPLUG: |
| return put_user(viafb_ioctl_hotplug(info->var.xres, |
| info->var.yres, |
| info->var.bits_per_pixel), argp); |
| case VIAFB_SET_HOTPLUG_FLAG: |
| if (copy_from_user(&gpu32, argp, sizeof(gpu32))) |
| return -EFAULT; |
| viafb_hotplug = (gpu32) ? 1 : 0; |
| break; |
| case VIAFB_GET_RESOLUTION: |
| u.viamode.xres = (u32) viafb_hotplug_Xres; |
| u.viamode.yres = (u32) viafb_hotplug_Yres; |
| u.viamode.refresh = (u32) viafb_hotplug_refresh; |
| u.viamode.bpp = (u32) viafb_hotplug_bpp; |
| if (viafb_SAMM_ON == 1) { |
| u.viamode.xres_sec = viafb_second_xres; |
| u.viamode.yres_sec = viafb_second_yres; |
| u.viamode.virtual_xres_sec = viafb_dual_fb ? viafbinfo1->var.xres_virtual : viafbinfo->var.xres_virtual; |
| u.viamode.virtual_yres_sec = viafb_dual_fb ? viafbinfo1->var.yres_virtual : viafbinfo->var.yres_virtual; |
| u.viamode.refresh_sec = viafb_refresh1; |
| u.viamode.bpp_sec = viafb_bpp1; |
| } else { |
| u.viamode.xres_sec = 0; |
| u.viamode.yres_sec = 0; |
| u.viamode.virtual_xres_sec = 0; |
| u.viamode.virtual_yres_sec = 0; |
| u.viamode.refresh_sec = 0; |
| u.viamode.bpp_sec = 0; |
| } |
| if (copy_to_user(argp, &u.viamode, sizeof(u.viamode))) |
| return -EFAULT; |
| break; |
| case VIAFB_GET_SAMM_INFO: |
| u.viasamm.samm_status = viafb_SAMM_ON; |
| |
| if (viafb_SAMM_ON == 1) { |
| if (viafb_dual_fb) { |
| u.viasamm.size_prim = viaparinfo->fbmem_free; |
| u.viasamm.size_sec = viaparinfo1->fbmem_free; |
| } else { |
| if (viafb_second_size) { |
| u.viasamm.size_prim = |
| viaparinfo->fbmem_free - |
| viafb_second_size * 1024 * 1024; |
| u.viasamm.size_sec = |
| viafb_second_size * 1024 * 1024; |
| } else { |
| u.viasamm.size_prim = |
| viaparinfo->fbmem_free >> 1; |
| u.viasamm.size_sec = |
| (viaparinfo->fbmem_free >> 1); |
| } |
| } |
| u.viasamm.mem_base = viaparinfo->fbmem; |
| u.viasamm.offset_sec = viafb_second_offset; |
| } else { |
| u.viasamm.size_prim = |
| viaparinfo->memsize - viaparinfo->fbmem_used; |
| u.viasamm.size_sec = 0; |
| u.viasamm.mem_base = viaparinfo->fbmem; |
| u.viasamm.offset_sec = 0; |
| } |
| |
| if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm))) |
| return -EFAULT; |
| |
| break; |
| case VIAFB_TURN_ON_OUTPUT_DEVICE: |
| if (copy_from_user(&gpu32, argp, sizeof(gpu32))) |
| return -EFAULT; |
| if (gpu32 & CRT_Device) |
| via_set_state(VIA_CRT, VIA_STATE_ON); |
| if (gpu32 & DVI_Device) |
| viafb_dvi_enable(); |
| if (gpu32 & LCD_Device) |
| viafb_lcd_enable(); |
| break; |
| case VIAFB_TURN_OFF_OUTPUT_DEVICE: |
| if (copy_from_user(&gpu32, argp, sizeof(gpu32))) |
| return -EFAULT; |
| if (gpu32 & CRT_Device) |
| via_set_state(VIA_CRT, VIA_STATE_OFF); |
| if (gpu32 & DVI_Device) |
| viafb_dvi_disable(); |
| if (gpu32 & LCD_Device) |
| viafb_lcd_disable(); |
| break; |
| case VIAFB_GET_DEVICE: |
| u.active_dev.crt = viafb_CRT_ON; |
| u.active_dev.dvi = viafb_DVI_ON; |
| u.active_dev.lcd = viafb_LCD_ON; |
| u.active_dev.samm = viafb_SAMM_ON; |
| u.active_dev.primary_dev = viafb_primary_dev; |
| |
| u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method; |
| u.active_dev.lcd_panel_id = viafb_lcd_panel_id; |
| u.active_dev.lcd_mode = viafb_lcd_mode; |
| |
| u.active_dev.xres = viafb_hotplug_Xres; |
| u.active_dev.yres = viafb_hotplug_Yres; |
| |
| u.active_dev.xres1 = viafb_second_xres; |
| u.active_dev.yres1 = viafb_second_yres; |
| |
| u.active_dev.bpp = viafb_bpp; |
| u.active_dev.bpp1 = viafb_bpp1; |
| u.active_dev.refresh = viafb_refresh; |
| u.active_dev.refresh1 = viafb_refresh1; |
| |
| u.active_dev.epia_dvi = viafb_platform_epia_dvi; |
| u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge; |
| u.active_dev.bus_width = viafb_bus_width; |
| |
| if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev))) |
| return -EFAULT; |
| break; |
| |
| case VIAFB_GET_DRIVER_VERSION: |
| u.driver_version.iMajorNum = VERSION_MAJOR; |
| u.driver_version.iKernelNum = VERSION_KERNEL; |
| u.driver_version.iOSNum = VERSION_OS; |
| u.driver_version.iMinorNum = VERSION_MINOR; |
| |
| if (copy_to_user(argp, &u.driver_version, |
| sizeof(u.driver_version))) |
| return -EFAULT; |
| |
| break; |
| |
| case VIAFB_GET_DEVICE_INFO: |
| |
| retrieve_device_setting(&u.viafb_setting); |
| |
| if (copy_to_user(argp, &u.viafb_setting, |
| sizeof(u.viafb_setting))) |
| return -EFAULT; |
| |
| break; |
| |
| case VIAFB_GET_DEVICE_SUPPORT: |
| viafb_get_device_support_state(&state_info); |
| if (put_user(state_info, argp)) |
| return -EFAULT; |
| break; |
| |
| case VIAFB_GET_DEVICE_CONNECT: |
| viafb_get_device_connect_state(&state_info); |
| if (put_user(state_info, argp)) |
| return -EFAULT; |
| break; |
| |
| case VIAFB_GET_PANEL_SUPPORT_EXPAND: |
| state_info = |
| viafb_lcd_get_support_expand_state(info->var.xres, |
| info->var.yres); |
| if (put_user(state_info, argp)) |
| return -EFAULT; |
| break; |
| |
| case VIAFB_GET_DRIVER_NAME: |
| if (copy_to_user(argp, driver_name, sizeof(driver_name))) |
| return -EFAULT; |
| break; |
| |
| case VIAFB_SET_GAMMA_LUT: |
| viafb_gamma_table = memdup_user(argp, 256 * sizeof(u32)); |
| if (IS_ERR(viafb_gamma_table)) |
| return PTR_ERR(viafb_gamma_table); |
| viafb_set_gamma_table(viafb_bpp, viafb_gamma_table); |
| kfree(viafb_gamma_table); |
| break; |
| |
| case VIAFB_GET_GAMMA_LUT: |
| viafb_gamma_table = kmalloc_array(256, sizeof(u32), |
| GFP_KERNEL); |
| if (!viafb_gamma_table) |
| return -ENOMEM; |
| viafb_get_gamma_table(viafb_gamma_table); |
| if (copy_to_user(argp, viafb_gamma_table, |
| 256 * sizeof(u32))) { |
| kfree(viafb_gamma_table); |
| return -EFAULT; |
| } |
| kfree(viafb_gamma_table); |
| break; |
| |
| case VIAFB_GET_GAMMA_SUPPORT_STATE: |
| viafb_get_gamma_support_state(viafb_bpp, &state_info); |
| if (put_user(state_info, argp)) |
| return -EFAULT; |
| break; |
| case VIAFB_SYNC_SURFACE: |
| DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n"); |
| break; |
| case VIAFB_GET_DRIVER_CAPS: |
| break; |
| |
| case VIAFB_GET_PANEL_MAX_SIZE: |
| if (copy_from_user(&u.panel_pos_size_para, argp, |
| sizeof(u.panel_pos_size_para))) |
| return -EFAULT; |
| u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; |
| if (copy_to_user(argp, &u.panel_pos_size_para, |
| sizeof(u.panel_pos_size_para))) |
| return -EFAULT; |
| break; |
| case VIAFB_GET_PANEL_MAX_POSITION: |
| if (copy_from_user(&u.panel_pos_size_para, argp, |
| sizeof(u.panel_pos_size_para))) |
| return -EFAULT; |
| u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; |
| if (copy_to_user(argp, &u.panel_pos_size_para, |
| sizeof(u.panel_pos_size_para))) |
| return -EFAULT; |
| break; |
| |
| case VIAFB_GET_PANEL_POSITION: |
| if (copy_from_user(&u.panel_pos_size_para, argp, |
| sizeof(u.panel_pos_size_para))) |
| return -EFAULT; |
| u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; |
| if (copy_to_user(argp, &u.panel_pos_size_para, |
| sizeof(u.panel_pos_size_para))) |
| return -EFAULT; |
| break; |
| case VIAFB_GET_PANEL_SIZE: |
| if (copy_from_user(&u.panel_pos_size_para, argp, |
| sizeof(u.panel_pos_size_para))) |
| return -EFAULT; |
| u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; |
| if (copy_to_user(argp, &u.panel_pos_size_para, |
| sizeof(u.panel_pos_size_para))) |
| return -EFAULT; |
| break; |
| |
| case VIAFB_SET_PANEL_POSITION: |
| if (copy_from_user(&u.panel_pos_size_para, argp, |
| sizeof(u.panel_pos_size_para))) |
| return -EFAULT; |
| break; |
| case VIAFB_SET_PANEL_SIZE: |
| if (copy_from_user(&u.panel_pos_size_para, argp, |
| sizeof(u.panel_pos_size_para))) |
| return -EFAULT; |
| break; |
| |
| default: |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static void viafb_fillrect(struct fb_info *info, |
| const struct fb_fillrect *rect) |
| { |
| struct viafb_par *viapar = info->par; |
| struct viafb_shared *shared = viapar->shared; |
| u32 fg_color; |
| u8 rop; |
| |
| if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) { |
| cfb_fillrect(info, rect); |
| return; |
| } |
| |
| if (!rect->width || !rect->height) |
| return; |
| |
| if (info->fix.visual == FB_VISUAL_TRUECOLOR) |
| fg_color = ((u32 *)info->pseudo_palette)[rect->color]; |
| else |
| fg_color = rect->color; |
| |
| if (rect->rop == ROP_XOR) |
| rop = 0x5A; |
| else |
| rop = 0xF0; |
| |
| DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n"); |
| if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_FILL, |
| rect->width, rect->height, info->var.bits_per_pixel, |
| viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy, |
| NULL, 0, 0, 0, 0, fg_color, 0, rop)) |
| cfb_fillrect(info, rect); |
| } |
| |
| static void viafb_copyarea(struct fb_info *info, |
| const struct fb_copyarea *area) |
| { |
| struct viafb_par *viapar = info->par; |
| struct viafb_shared *shared = viapar->shared; |
| |
| if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) { |
| cfb_copyarea(info, area); |
| return; |
| } |
| |
| if (!area->width || !area->height) |
| return; |
| |
| DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n"); |
| if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_COLOR, |
| area->width, area->height, info->var.bits_per_pixel, |
| viapar->vram_addr, info->fix.line_length, area->dx, area->dy, |
| NULL, viapar->vram_addr, info->fix.line_length, |
| area->sx, area->sy, 0, 0, 0)) |
| cfb_copyarea(info, area); |
| } |
| |
| static void viafb_imageblit(struct fb_info *info, |
| const struct fb_image *image) |
| { |
| struct viafb_par *viapar = info->par; |
| struct viafb_shared *shared = viapar->shared; |
| u32 fg_color = 0, bg_color = 0; |
| u8 op; |
| |
| if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt || |
| (image->depth != 1 && image->depth != viapar->depth)) { |
| cfb_imageblit(info, image); |
| return; |
| } |
| |
| if (image->depth == 1) { |
| op = VIA_BITBLT_MONO; |
| if (info->fix.visual == FB_VISUAL_TRUECOLOR) { |
| fg_color = |
| ((u32 *)info->pseudo_palette)[image->fg_color]; |
| bg_color = |
| ((u32 *)info->pseudo_palette)[image->bg_color]; |
| } else { |
| fg_color = image->fg_color; |
| bg_color = image->bg_color; |
| } |
| } else |
| op = VIA_BITBLT_COLOR; |
| |
| DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n"); |
| if (shared->hw_bitblt(shared->vdev->engine_mmio, op, |
| image->width, image->height, info->var.bits_per_pixel, |
| viapar->vram_addr, info->fix.line_length, image->dx, image->dy, |
| (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0)) |
| cfb_imageblit(info, image); |
| } |
| |
| static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor) |
| { |
| struct viafb_par *viapar = info->par; |
| void __iomem *engine = viapar->shared->vdev->engine_mmio; |
| u32 temp, xx, yy, bg_color = 0, fg_color = 0, |
| chip_name = viapar->shared->chip_info.gfx_chip_name; |
| int i, j = 0, cur_size = 64; |
| |
| if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo) |
| return -ENODEV; |
| |
| /* LCD ouput does not support hw cursors (at least on VN896) */ |
| if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) || |
| viafb_LCD_ON) |
| return -ENODEV; |
| |
| viafb_show_hw_cursor(info, HW_Cursor_OFF); |
| |
| if (cursor->set & FB_CUR_SETHOT) { |
| temp = (cursor->hot.x << 16) + cursor->hot.y; |
| writel(temp, engine + VIA_REG_CURSOR_ORG); |
| } |
| |
| if (cursor->set & FB_CUR_SETPOS) { |
| yy = cursor->image.dy - info->var.yoffset; |
| xx = cursor->image.dx - info->var.xoffset; |
| temp = yy & 0xFFFF; |
| temp |= (xx << 16); |
| writel(temp, engine + VIA_REG_CURSOR_POS); |
| } |
| |
| if (cursor->image.width <= 32 && cursor->image.height <= 32) |
| cur_size = 32; |
| else if (cursor->image.width <= 64 && cursor->image.height <= 64) |
| cur_size = 64; |
| else { |
| printk(KERN_WARNING "viafb_cursor: The cursor is too large " |
| "%dx%d", cursor->image.width, cursor->image.height); |
| return -ENXIO; |
| } |
| |
| if (cursor->set & FB_CUR_SETSIZE) { |
| temp = readl(engine + VIA_REG_CURSOR_MODE); |
| if (cur_size == 32) |
| temp |= 0x2; |
| else |
| temp &= ~0x2; |
| |
| writel(temp, engine + VIA_REG_CURSOR_MODE); |
| } |
| |
| if (cursor->set & FB_CUR_SETCMAP) { |
| fg_color = cursor->image.fg_color; |
| bg_color = cursor->image.bg_color; |
| if (chip_name == UNICHROME_CX700 || |
| chip_name == UNICHROME_VX800 || |
| chip_name == UNICHROME_VX855 || |
| chip_name == UNICHROME_VX900) { |
| fg_color = |
| ((info->cmap.red[fg_color] & 0xFFC0) << 14) | |
| ((info->cmap.green[fg_color] & 0xFFC0) << 4) | |
| ((info->cmap.blue[fg_color] & 0xFFC0) >> 6); |
| bg_color = |
| ((info->cmap.red[bg_color] & 0xFFC0) << 14) | |
| ((info->cmap.green[bg_color] & 0xFFC0) << 4) | |
| ((info->cmap.blue[bg_color] & 0xFFC0) >> 6); |
| } else { |
| fg_color = |
| ((info->cmap.red[fg_color] & 0xFF00) << 8) | |
| (info->cmap.green[fg_color] & 0xFF00) | |
| ((info->cmap.blue[fg_color] & 0xFF00) >> 8); |
| bg_color = |
| ((info->cmap.red[bg_color] & 0xFF00) << 8) | |
| (info->cmap.green[bg_color] & 0xFF00) | |
| ((info->cmap.blue[bg_color] & 0xFF00) >> 8); |
| } |
| |
| writel(bg_color, engine + VIA_REG_CURSOR_BG); |
| writel(fg_color, engine + VIA_REG_CURSOR_FG); |
| } |
| |
| if (cursor->set & FB_CUR_SETSHAPE) { |
| struct { |
| u8 data[CURSOR_SIZE]; |
| u32 bak[CURSOR_SIZE / 4]; |
| } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC); |
| int size = ((cursor->image.width + 7) >> 3) * |
| cursor->image.height; |
| |
| if (!cr_data) |
| return -ENOMEM; |
| |
| if (cur_size == 32) { |
| for (i = 0; i < (CURSOR_SIZE / 4); i++) { |
| cr_data->bak[i] = 0x0; |
| cr_data->bak[i + 1] = 0xFFFFFFFF; |
| i += 1; |
| } |
| } else { |
| for (i = 0; i < (CURSOR_SIZE / 4); i++) { |
| cr_data->bak[i] = 0x0; |
| cr_data->bak[i + 1] = 0x0; |
| cr_data->bak[i + 2] = 0xFFFFFFFF; |
| cr_data->bak[i + 3] = 0xFFFFFFFF; |
| i += 3; |
| } |
| } |
| |
| switch (cursor->rop) { |
| case ROP_XOR: |
| for (i = 0; i < size; i++) |
| cr_data->data[i] = cursor->mask[i]; |
| break; |
| case ROP_COPY: |
| |
| for (i = 0; i < size; i++) |
| cr_data->data[i] = cursor->mask[i]; |
| break; |
| default: |
| break; |
| } |
| |
| if (cur_size == 32) { |
| for (i = 0; i < size; i++) { |
| cr_data->bak[j] = (u32) cr_data->data[i]; |
| cr_data->bak[j + 1] = ~cr_data->bak[j]; |
| j += 2; |
| } |
| } else { |
| for (i = 0; i < size; i++) { |
| cr_data->bak[j] = (u32) cr_data->data[i]; |
| cr_data->bak[j + 1] = 0x0; |
| cr_data->bak[j + 2] = ~cr_data->bak[j]; |
| cr_data->bak[j + 3] = ~cr_data->bak[j + 1]; |
| j += 4; |
| } |
| } |
| |
| memcpy_toio(viafbinfo->screen_base + viapar->shared-> |
| cursor_vram_addr, cr_data->bak, CURSOR_SIZE); |
| kfree(cr_data); |
| } |
| |
| if (cursor->enable) |
| viafb_show_hw_cursor(info, HW_Cursor_ON); |
| |
| return 0; |
| } |
| |
| static int viafb_sync(struct fb_info *info) |
| { |
| if (!(info->flags & FBINFO_HWACCEL_DISABLED)) |
| viafb_wait_engine_idle(info); |
| return 0; |
| } |
| |
| static int get_primary_device(void) |
| { |
| int primary_device = 0; |
| /* Rule: device on iga1 path are the primary device. */ |
| if (viafb_SAMM_ON) { |
| if (viafb_CRT_ON) { |
| if (viaparinfo->shared->iga1_devices & VIA_CRT) { |
| DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n", IGA1); |
| primary_device = CRT_Device; |
| } |
| } |
| if (viafb_DVI_ON) { |
| if (viaparinfo->tmds_setting_info->iga_path == IGA1) { |
| DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n", |
| viaparinfo-> |
| tmds_setting_info->iga_path); |
| primary_device = DVI_Device; |
| } |
| } |
| if (viafb_LCD_ON) { |
| if (viaparinfo->lvds_setting_info->iga_path == IGA1) { |
| DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n", |
| viaparinfo-> |
| lvds_setting_info->iga_path); |
| primary_device = LCD_Device; |
| } |
| } |
| if (viafb_LCD2_ON) { |
| if (viaparinfo->lvds_setting_info2->iga_path == IGA1) { |
| DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n", |
| viaparinfo-> |
| lvds_setting_info2->iga_path); |
| primary_device = LCD2_Device; |
| } |
| } |
| } |
| return primary_device; |
| } |
| |
| static void retrieve_device_setting(struct viafb_ioctl_setting |
| *setting_info) |
| { |
| |
| /* get device status */ |
| if (viafb_CRT_ON == 1) |
| setting_info->device_status = CRT_Device; |
| if (viafb_DVI_ON == 1) |
| setting_info->device_status |= DVI_Device; |
| if (viafb_LCD_ON == 1) |
| setting_info->device_status |= LCD_Device; |
| if (viafb_LCD2_ON == 1) |
| setting_info->device_status |= LCD2_Device; |
| |
| setting_info->samm_status = viafb_SAMM_ON; |
| setting_info->primary_device = get_primary_device(); |
| |
| setting_info->first_dev_bpp = viafb_bpp; |
| setting_info->second_dev_bpp = viafb_bpp1; |
| |
| setting_info->first_dev_refresh = viafb_refresh; |
| setting_info->second_dev_refresh = viafb_refresh1; |
| |
| setting_info->first_dev_hor_res = viafb_hotplug_Xres; |
| setting_info->first_dev_ver_res = viafb_hotplug_Yres; |
| setting_info->second_dev_hor_res = viafb_second_xres; |
| setting_info->second_dev_ver_res = viafb_second_yres; |
| |
| /* Get lcd attributes */ |
| setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method; |
| setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id; |
| setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode; |
| } |
| |
| static int __init parse_active_dev(void) |
| { |
| viafb_CRT_ON = STATE_OFF; |
| viafb_DVI_ON = STATE_OFF; |
| viafb_LCD_ON = STATE_OFF; |
| viafb_LCD2_ON = STATE_OFF; |
| /* 1. Modify the active status of devices. */ |
| /* 2. Keep the order of devices, so we can set corresponding |
| IGA path to devices in SAMM case. */ |
| /* Note: The previous of active_dev is primary device, |
| and the following is secondary device. */ |
| if (!viafb_active_dev) { |
| if (machine_is_olpc()) { /* LCD only */ |
| viafb_LCD_ON = STATE_ON; |
| viafb_SAMM_ON = STATE_OFF; |
| } else { |
| viafb_CRT_ON = STATE_ON; |
| viafb_SAMM_ON = STATE_OFF; |
| } |
| } else if (!strcmp(viafb_active_dev, "CRT+DVI")) { |
| /* CRT+DVI */ |
| viafb_CRT_ON = STATE_ON; |
| viafb_DVI_ON = STATE_ON; |
| viafb_primary_dev = CRT_Device; |
| } else if (!strcmp(viafb_active_dev, "DVI+CRT")) { |
| /* DVI+CRT */ |
| viafb_CRT_ON = STATE_ON; |
| viafb_DVI_ON = STATE_ON; |
| viafb_primary_dev = DVI_Device; |
| } else if (!strcmp(viafb_active_dev, "CRT+LCD")) { |
| /* CRT+LCD */ |
| viafb_CRT_ON = STATE_ON; |
| viafb_LCD_ON = STATE_ON; |
| viafb_primary_dev = CRT_Device; |
| } else if (!strcmp(viafb_active_dev, "LCD+CRT")) { |
| /* LCD+CRT */ |
| viafb_CRT_ON = STATE_ON; |
| viafb_LCD_ON = STATE_ON; |
| viafb_primary_dev = LCD_Device; |
| } else if (!strcmp(viafb_active_dev, "DVI+LCD")) { |
| /* DVI+LCD */ |
| viafb_DVI_ON = STATE_ON; |
| viafb_LCD_ON = STATE_ON; |
| viafb_primary_dev = DVI_Device; |
| } else if (!strcmp(viafb_active_dev, "LCD+DVI")) { |
| /* LCD+DVI */ |
| viafb_DVI_ON = STATE_ON; |
| viafb_LCD_ON = STATE_ON; |
| viafb_primary_dev = LCD_Device; |
| } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) { |
| viafb_LCD_ON = STATE_ON; |
| viafb_LCD2_ON = STATE_ON; |
| viafb_primary_dev = LCD_Device; |
| } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) { |
| viafb_LCD_ON = STATE_ON; |
| viafb_LCD2_ON = STATE_ON; |
| viafb_primary_dev = LCD2_Device; |
| } else if (!strcmp(viafb_active_dev, "CRT")) { |
| /* CRT only */ |
| viafb_CRT_ON = STATE_ON; |
| viafb_SAMM_ON = STATE_OFF; |
| } else if (!strcmp(viafb_active_dev, "DVI")) { |
| /* DVI only */ |
| viafb_DVI_ON = STATE_ON; |
| viafb_SAMM_ON = STATE_OFF; |
| } else if (!strcmp(viafb_active_dev, "LCD")) { |
| /* LCD only */ |
| viafb_LCD_ON = STATE_ON; |
| viafb_SAMM_ON = STATE_OFF; |
| } else |
| return -EINVAL; |
| |
| return 0; |
| } |
| |
| static int parse_port(char *opt_str, int *output_interface) |
| { |
| if (!strncmp(opt_str, "DVP0", 4)) |
| *output_interface = INTERFACE_DVP0; |
| else if (!strncmp(opt_str, "DVP1", 4)) |
| *output_interface = INTERFACE_DVP1; |
| else if (!strncmp(opt_str, "DFP_HIGHLOW", 11)) |
| *output_interface = INTERFACE_DFP; |
| else if (!strncmp(opt_str, "DFP_HIGH", 8)) |
| *output_interface = INTERFACE_DFP_HIGH; |
| else if (!strncmp(opt_str, "DFP_LOW", 7)) |
| *output_interface = INTERFACE_DFP_LOW; |
| else |
| *output_interface = INTERFACE_NONE; |
| return 0; |
| } |
| |
| static void parse_lcd_port(void) |
| { |
| parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info. |
| output_interface); |
| /*Initialize to avoid unexpected behavior */ |
| viaparinfo->chip_info->lvds_chip_info2.output_interface = |
| INTERFACE_NONE; |
| |
| DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n", |
| viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info. |
| output_interface); |
| } |
| |
| static void parse_dvi_port(void) |
| { |
| parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info. |
| output_interface); |
| |
| DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n", |
| viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info. |
| output_interface); |
| } |
| |
| #ifdef CONFIG_FB_VIA_DIRECT_PROCFS |
| |
| /* |
| * The proc filesystem read/write function, a simple proc implement to |
| * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1, |
| * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2], |
| * CR9B, SR65, CR97, CR99 |
| */ |
| static int viafb_dvp0_proc_show(struct seq_file *m, void *v) |
| { |
| u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0; |
| dvp0_data_dri = |
| (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 | |
| (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1; |
| dvp0_clk_dri = |
| (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 | |
| (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2; |
| dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f; |
| seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri); |
| return 0; |
| } |
| |
| static int viafb_dvp0_proc_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, viafb_dvp0_proc_show, NULL); |
| } |
| |
| static ssize_t viafb_dvp0_proc_write(struct file *file, |
| const char __user *buffer, size_t count, loff_t *pos) |
| { |
| char buf[20], *value, *pbuf; |
| u8 reg_val = 0; |
| unsigned long length, i; |
| if (count < 1) |
| return -EINVAL; |
| length = count > 20 ? 20 : count; |
| if (copy_from_user(&buf[0], buffer, length)) |
| return -EFAULT; |
| buf[length - 1] = '\0'; /*Ensure end string */ |
| pbuf = &buf[0]; |
| for (i = 0; i < 3; i++) { |
| value = strsep(&pbuf, " "); |
| if (value != NULL) { |
| if (kstrtou8(value, 0, ®_val) < 0) |
| return -EINVAL; |
| DEBUG_MSG(KERN_INFO "DVP0:reg_val[%lu]=:%x\n", i, |
| reg_val); |
| switch (i) { |
| case 0: |
| viafb_write_reg_mask(CR96, VIACR, |
| reg_val, 0x0f); |
| break; |
| case 1: |
| viafb_write_reg_mask(SR2A, VIASR, |
| reg_val << 4, BIT5); |
| viafb_write_reg_mask(SR1B, VIASR, |
| reg_val << 1, BIT1); |
| break; |
| case 2: |
| viafb_write_reg_mask(SR2A, VIASR, |
| reg_val << 3, BIT4); |
| viafb_write_reg_mask(SR1E, VIASR, |
| reg_val << 2, BIT2); |
| break; |
| default: |
| break; |
| } |
| } else { |
| break; |
| } |
| } |
| return count; |
| } |
| |
| static const struct proc_ops viafb_dvp0_proc_ops = { |
| .proc_open = viafb_dvp0_proc_open, |
| .proc_read = seq_read, |
| .proc_lseek = seq_lseek, |
| .proc_release = single_release, |
| .proc_write = viafb_dvp0_proc_write, |
| }; |
| |
| static int viafb_dvp1_proc_show(struct seq_file *m, void *v) |
| { |
| u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0; |
| dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f; |
| dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2; |
| dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03; |
| seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri); |
| return 0; |
| } |
| |
| static int viafb_dvp1_proc_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, viafb_dvp1_proc_show, NULL); |
| } |
| |
| static ssize_t viafb_dvp1_proc_write(struct file *file, |
| const char __user *buffer, size_t count, loff_t *pos) |
| { |
| char buf[20], *value, *pbuf; |
| u8 reg_val = 0; |
| unsigned long length, i; |
| if (count < 1) |
| return -EINVAL; |
| length = count > 20 ? 20 : count; |
| if (copy_from_user(&buf[0], buffer, length)) |
| return -EFAULT; |
| buf[length - 1] = '\0'; /*Ensure end string */ |
| pbuf = &buf[0]; |
| for (i = 0; i < 3; i++) { |
| value = strsep(&pbuf, " "); |
| if (value != NULL) { |
| if (kstrtou8(value, 0, ®_val) < 0) |
| return -EINVAL; |
| switch (i) { |
| case 0: |
| viafb_write_reg_mask(CR9B, VIACR, |
| reg_val, 0x0f); |
| break; |
| case 1: |
| viafb_write_reg_mask(SR65, VIASR, |
| reg_val << 2, 0x0c); |
| break; |
| case 2: |
| viafb_write_reg_mask(SR65, VIASR, |
| reg_val, 0x03); |
| break; |
| default: |
| break; |
| } |
| } else { |
| break; |
| } |
| } |
| return count; |
| } |
| |
| static const struct proc_ops viafb_dvp1_proc_ops = { |
| .proc_open = viafb_dvp1_proc_open, |
| .proc_read = seq_read, |
| .proc_lseek = seq_lseek, |
| .proc_release = single_release, |
| .proc_write = viafb_dvp1_proc_write, |
| }; |
| |
| static int viafb_dfph_proc_show(struct seq_file *m, void *v) |
| { |
| u8 dfp_high = 0; |
| dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f; |
| seq_printf(m, "%x\n", dfp_high); |
| return 0; |
| } |
| |
| static int viafb_dfph_proc_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, viafb_dfph_proc_show, NULL); |
| } |
| |
| static ssize_t viafb_dfph_proc_write(struct file *file, |
| const char __user *buffer, size_t count, loff_t *pos) |
| { |
| int err; |
| u8 reg_val; |
| err = kstrtou8_from_user(buffer, count, 0, ®_val); |
| if (err) |
| return err; |
| |
| viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f); |
| return count; |
| } |
| |
| static const struct proc_ops viafb_dfph_proc_ops = { |
| .proc_open = viafb_dfph_proc_open, |
| .proc_read = seq_read, |
| .proc_lseek = seq_lseek, |
| .proc_release = single_release, |
| .proc_write = viafb_dfph_proc_write, |
| }; |
| |
| static int viafb_dfpl_proc_show(struct seq_file *m, void *v) |
| { |
| u8 dfp_low = 0; |
| dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f; |
| seq_printf(m, "%x\n", dfp_low); |
| return 0; |
| } |
| |
| static int viafb_dfpl_proc_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, viafb_dfpl_proc_show, NULL); |
| } |
| |
| static ssize_t viafb_dfpl_proc_write(struct file *file, |
| const char __user *buffer, size_t count, loff_t *pos) |
| { |
| int err; |
| u8 reg_val; |
| err = kstrtou8_from_user(buffer, count, 0, ®_val); |
| if (err) |
| return err; |
| |
| viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f); |
| return count; |
| } |
| |
| static const struct proc_ops viafb_dfpl_proc_ops = { |
| .proc_open = viafb_dfpl_proc_open, |
| .proc_read = seq_read, |
| .proc_lseek = seq_lseek, |
| .proc_release = single_release, |
| .proc_write = viafb_dfpl_proc_write, |
| }; |
| |
| static int viafb_vt1636_proc_show(struct seq_file *m, void *v) |
| { |
| u8 vt1636_08 = 0, vt1636_09 = 0; |
| switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { |
| case VT1636_LVDS: |
| vt1636_08 = |
| viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info, |
| &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f; |
| vt1636_09 = |
| viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info, |
| &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f; |
| seq_printf(m, "%x %x\n", vt1636_08, vt1636_09); |
| break; |
| default: |
| break; |
| } |
| switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) { |
| case VT1636_LVDS: |
| vt1636_08 = |
| viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2, |
| &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f; |
| vt1636_09 = |
| viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2, |
| &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f; |
| seq_printf(m, " %x %x\n", vt1636_08, vt1636_09); |
| break; |
| default: |
| break; |
| } |
| return 0; |
| } |
| |
| static int viafb_vt1636_proc_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, viafb_vt1636_proc_show, NULL); |
| } |
| |
| static ssize_t viafb_vt1636_proc_write(struct file *file, |
| const char __user *buffer, size_t count, loff_t *pos) |
| { |
| char buf[30], *value, *pbuf; |
| struct IODATA reg_val; |
| unsigned long length, i; |
| if (count < 1) |
| return -EINVAL; |
| length = count > 30 ? 30 : count; |
| if (copy_from_user(&buf[0], buffer, length)) |
| return -EFAULT; |
| buf[length - 1] = '\0'; /*Ensure end string */ |
| pbuf = &buf[0]; |
| switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { |
| case VT1636_LVDS: |
| for (i = 0; i < 2; i++) { |
| value = strsep(&pbuf, " "); |
| if (value != NULL) { |
| if (kstrtou8(value, 0, ®_val.Data) < 0) |
| return -EINVAL; |
| switch (i) { |
| case 0: |
| reg_val.Index = 0x08; |
| reg_val.Mask = 0x0f; |
| viafb_gpio_i2c_write_mask_lvds |
| (viaparinfo->lvds_setting_info, |
| &viaparinfo-> |
| chip_info->lvds_chip_info, |
| reg_val); |
| break; |
| case 1: |
| reg_val.Index = 0x09; |
| reg_val.Mask = 0x1f; |
| viafb_gpio_i2c_write_mask_lvds |
| (viaparinfo->lvds_setting_info, |
| &viaparinfo-> |
| chip_info->lvds_chip_info, |
| reg_val); |
| break; |
| default: |
| break; |
| } |
| } else { |
| break; |
| } |
| } |
| break; |
| default: |
| break; |
| } |
| switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) { |
| case VT1636_LVDS: |
| for (i = 0; i < 2; i++) { |
| value = strsep(&pbuf, " "); |
| if (value != NULL) { |
| if (kstrtou8(value, 0, ®_val.Data) < 0) |
| return -EINVAL; |
| switch (i) { |
| case 0: |
| reg_val.Index = 0x08; |
| reg_val.Mask = 0x0f; |
| viafb_gpio_i2c_write_mask_lvds |
| (viaparinfo->lvds_setting_info2, |
| &viaparinfo-> |
| chip_info->lvds_chip_info2, |
| reg_val); |
| break; |
| case 1: |
| reg_val.Index = 0x09; |
| reg_val.Mask = 0x1f; |
| viafb_gpio_i2c_write_mask_lvds |
| (viaparinfo->lvds_setting_info2, |
| &viaparinfo-> |
| chip_info->lvds_chip_info2, |
| reg_val); |
| break; |
| default: |
| break; |
| } |
| } else { |
| break; |
| } |
| } |
| break; |
| default: |
| break; |
| } |
| return count; |
| } |
| |
| static const struct proc_ops viafb_vt1636_proc_ops = { |
| .proc_open = viafb_vt1636_proc_open, |
| .proc_read = seq_read, |
| .proc_lseek = seq_lseek, |
| .proc_release = single_release, |
| .proc_write = viafb_vt1636_proc_write, |
| }; |
| |
| #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ |
| |
| static int __maybe_unused viafb_sup_odev_proc_show(struct seq_file *m, void *v) |
| { |
| via_odev_to_seq(m, supported_odev_map[ |
| viaparinfo->shared->chip_info.gfx_chip_name]); |
| return 0; |
| } |
| |
| static ssize_t odev_update(const char __user *buffer, size_t count, u32 *odev) |
| { |
| char buf[64], *ptr = buf; |
| u32 devices; |
| bool add, sub; |
| |
| if (count < 1 || count > 63) |
| return -EINVAL; |
| if (copy_from_user(&buf[0], buffer, count)) |
| return -EFAULT; |
| buf[count] = '\0'; |
| add = buf[0] == '+'; |
| sub = buf[0] == '-'; |
| if (add || sub) |
| ptr++; |
| devices = via_parse_odev(ptr, &ptr); |
| if (*ptr == '\n') |
| ptr++; |
| if (*ptr != 0) |
| return -EINVAL; |
| if (add) |
| *odev |= devices; |
| else if (sub) |
| *odev &= ~devices; |
| else |
| *odev = devices; |
| return count; |
| } |
| |
| static int viafb_iga1_odev_proc_show(struct seq_file *m, void *v) |
| { |
| via_odev_to_seq(m, viaparinfo->shared->iga1_devices); |
| return 0; |
| } |
| |
| static int viafb_iga1_odev_proc_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, viafb_iga1_odev_proc_show, NULL); |
| } |
| |
| static ssize_t viafb_iga1_odev_proc_write(struct file *file, |
| const char __user *buffer, size_t count, loff_t *pos) |
| { |
| u32 dev_on, dev_off, dev_old, dev_new; |
| ssize_t res; |
| |
| dev_old = dev_new = viaparinfo->shared->iga1_devices; |
| res = odev_update(buffer, count, &dev_new); |
| if (res != count) |
| return res; |
| dev_off = dev_old & ~dev_new; |
| dev_on = dev_new & ~dev_old; |
| viaparinfo->shared->iga1_devices = dev_new; |
| viaparinfo->shared->iga2_devices &= ~dev_new; |
| via_set_state(dev_off, VIA_STATE_OFF); |
| via_set_source(dev_new, IGA1); |
| via_set_state(dev_on, VIA_STATE_ON); |
| return res; |
| } |
| |
| static const struct proc_ops viafb_iga1_odev_proc_ops = { |
| .proc_open = viafb_iga1_odev_proc_open, |
| .proc_read = seq_read, |
| .proc_lseek = seq_lseek, |
| .proc_release = single_release, |
| .proc_write = viafb_iga1_odev_proc_write, |
| }; |
| |
| static int viafb_iga2_odev_proc_show(struct seq_file *m, void *v) |
| { |
| via_odev_to_seq(m, viaparinfo->shared->iga2_devices); |
| return 0; |
| } |
| |
| static int viafb_iga2_odev_proc_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, viafb_iga2_odev_proc_show, NULL); |
| } |
| |
| static ssize_t viafb_iga2_odev_proc_write(struct file *file, |
| const char __user *buffer, size_t count, loff_t *pos) |
| { |
| u32 dev_on, dev_off, dev_old, dev_new; |
| ssize_t res; |
| |
| dev_old = dev_new = viaparinfo->shared->iga2_devices; |
| res = odev_update(buffer, count, &dev_new); |
| if (res != count) |
| return res; |
| dev_off = dev_old & ~dev_new; |
| dev_on = dev_new & ~dev_old; |
| viaparinfo->shared->iga2_devices = dev_new; |
| viaparinfo->shared->iga1_devices &= ~dev_new; |
| via_set_state(dev_off, VIA_STATE_OFF); |
| via_set_source(dev_new, IGA2); |
| via_set_state(dev_on, VIA_STATE_ON); |
| return res; |
| } |
| |
| static const struct proc_ops viafb_iga2_odev_proc_ops = { |
| .proc_open = viafb_iga2_odev_proc_open, |
| .proc_read = seq_read, |
| .proc_lseek = seq_lseek, |
| .proc_release = single_release, |
| .proc_write = viafb_iga2_odev_proc_write, |
| }; |
| |
| #define IS_VT1636(lvds_chip) ((lvds_chip).lvds_chip_name == VT1636_LVDS) |
| static void viafb_init_proc(struct viafb_shared *shared) |
| { |
| struct proc_dir_entry *iga1_entry, *iga2_entry, |
| *viafb_entry = proc_mkdir("viafb", NULL); |
| |
| shared->proc_entry = viafb_entry; |
| if (viafb_entry) { |
| #ifdef CONFIG_FB_VIA_DIRECT_PROCFS |
| proc_create("dvp0", 0, viafb_entry, &viafb_dvp0_proc_ops); |
| proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_ops); |
| proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_ops); |
| proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_ops); |
| if (IS_VT1636(shared->chip_info.lvds_chip_info) |
| || IS_VT1636(shared->chip_info.lvds_chip_info2)) |
| proc_create("vt1636", 0, viafb_entry, |
| &viafb_vt1636_proc_ops); |
| #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ |
| |
| proc_create_single("supported_output_devices", 0, viafb_entry, |
| viafb_sup_odev_proc_show); |
| iga1_entry = proc_mkdir("iga1", viafb_entry); |
| shared->iga1_proc_entry = iga1_entry; |
| proc_create("output_devices", 0, iga1_entry, |
| &viafb_iga1_odev_proc_ops); |
| iga2_entry = proc_mkdir("iga2", viafb_entry); |
| shared->iga2_proc_entry = iga2_entry; |
| proc_create("output_devices", 0, iga2_entry, |
| &viafb_iga2_odev_proc_ops); |
| } |
| } |
| static void viafb_remove_proc(struct viafb_shared *shared) |
| { |
| struct proc_dir_entry *viafb_entry = shared->proc_entry; |
| |
| if (!viafb_entry) |
| return; |
| |
| remove_proc_entry("output_devices", shared->iga2_proc_entry); |
| remove_proc_entry("iga2", viafb_entry); |
| remove_proc_entry("output_devices", shared->iga1_proc_entry); |
| remove_proc_entry("iga1", viafb_entry); |
| remove_proc_entry("supported_output_devices", viafb_entry); |
| |
| #ifdef CONFIG_FB_VIA_DIRECT_PROCFS |
| remove_proc_entry("dvp0", viafb_entry);/* parent dir */ |
| remove_proc_entry("dvp1", viafb_entry); |
| remove_proc_entry("dfph", viafb_entry); |
| remove_proc_entry("dfpl", viafb_entry); |
| if (IS_VT1636(shared->chip_info.lvds_chip_info) |
| || IS_VT1636(shared->chip_info.lvds_chip_info2)) |
| remove_proc_entry("vt1636", viafb_entry); |
| #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ |
| |
| remove_proc_entry("viafb", NULL); |
| } |
| #undef IS_VT1636 |
| |
| static int parse_mode(const char *str, u32 devices, u32 *xres, u32 *yres) |
| { |
| const struct fb_videomode *mode = NULL; |
| char *ptr; |
| |
| if (!str) { |
| if (devices == VIA_CRT) |
| mode = via_aux_get_preferred_mode( |
| viaparinfo->shared->i2c_26); |
| else if (devices == VIA_DVP1) |
| mode = via_aux_get_preferred_mode( |
| viaparinfo->shared->i2c_31); |
| |
| if (mode) { |
| *xres = mode->xres; |
| *yres = mode->yres; |
| } else if (machine_is_olpc()) { |
| *xres = 1200; |
| *yres = 900; |
| } else { |
| *xres = 640; |
| *yres = 480; |
| } |
| return 0; |
| } |
| |
| *xres = simple_strtoul(str, &ptr, 10); |
| if (ptr[0] != 'x') |
| return -EINVAL; |
| |
| *yres = simple_strtoul(&ptr[1], &ptr, 10); |
| if (ptr[0]) |
| return -EINVAL; |
| |
| return 0; |
| } |
| |
| |
| #ifdef CONFIG_PM |
| static int viafb_suspend(void *unused) |
| { |
| console_lock(); |
| fb_set_suspend(viafbinfo, 1); |
| viafb_sync(viafbinfo); |
| console_unlock(); |
| |
| return 0; |
| } |
| |
| static int viafb_resume(void *unused) |
| { |
| console_lock(); |
| if (viaparinfo->shared->vdev->engine_mmio) |
| viafb_reset_engine(viaparinfo); |
| viafb_set_par(viafbinfo); |
| if (viafb_dual_fb) |
| viafb_set_par(viafbinfo1); |
| fb_set_suspend(viafbinfo, 0); |
| |
| console_unlock(); |
| return 0; |
| } |
| |
| static struct viafb_pm_hooks viafb_fb_pm_hooks = { |
| .suspend = viafb_suspend, |
| .resume = viafb_resume |
| }; |
| |
| #endif |
| |
| static void i2c_bus_probe(struct viafb_shared *shared) |
| { |
| /* should be always CRT */ |
| printk(KERN_INFO "viafb: Probing I2C bus 0x26\n"); |
| shared->i2c_26 = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_26)); |
| |
| /* seems to be usually DVP1 */ |
| printk(KERN_INFO "viafb: Probing I2C bus 0x31\n"); |
| shared->i2c_31 = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_31)); |
| |
| /* FIXME: what is this? */ |
| if (!machine_is_olpc()) { |
| printk(KERN_INFO "viafb: Probing I2C bus 0x2C\n"); |
| shared->i2c_2C = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_2C)); |
| } |
| |
| printk(KERN_INFO "viafb: Finished I2C bus probing"); |
| } |
| |
| static void i2c_bus_free(struct viafb_shared *shared) |
| { |
| via_aux_free(shared->i2c_26); |
| via_aux_free(shared->i2c_31); |
| via_aux_free(shared->i2c_2C); |
| } |
| |
| int via_fb_pci_probe(struct viafb_dev *vdev) |
| { |
| u32 default_xres, default_yres; |
| struct fb_var_screeninfo default_var; |
| int rc; |
| u32 viafb_par_length; |
| |
| DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n"); |
| memset(&default_var, 0, sizeof(default_var)); |
| viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8); |
| |
| /* Allocate fb_info and ***_par here, also including some other needed |
| * variables |
| */ |
| viafbinfo = framebuffer_alloc(viafb_par_length + |
| ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8), |
| &vdev->pdev->dev); |
| if (!viafbinfo) |
| return -ENOMEM; |
| |
| viaparinfo = (struct viafb_par *)viafbinfo->par; |
| viaparinfo->shared = viafbinfo->par + viafb_par_length; |
| viaparinfo->shared->vdev = vdev; |
| viaparinfo->vram_addr = 0; |
| viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info; |
| viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info; |
| viaparinfo->lvds_setting_info2 = |
| &viaparinfo->shared->lvds_setting_info2; |
| viaparinfo->chip_info = &viaparinfo->shared->chip_info; |
| |
| i2c_bus_probe(viaparinfo->shared); |
| if (viafb_dual_fb) |
| viafb_SAMM_ON = 1; |
| parse_lcd_port(); |
| parse_dvi_port(); |
| |
| viafb_init_chip_info(vdev->chip_type); |
| /* |
| * The framebuffer will have been successfully mapped by |
| * the core (or we'd not be here), but we still need to |
| * set up our own accounting. |
| */ |
| viaparinfo->fbmem = vdev->fbmem_start; |
| viaparinfo->memsize = vdev->fbmem_len; |
| viaparinfo->fbmem_free = viaparinfo->memsize; |
| viaparinfo->fbmem_used = 0; |
| viafbinfo->screen_base = vdev->fbmem; |
| |
| viafbinfo->fix.mmio_start = vdev->engine_start; |
| viafbinfo->fix.mmio_len = vdev->engine_len; |
| viafbinfo->node = 0; |
| viafbinfo->fbops = &viafb_ops; |
| viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN; |
| |
| viafbinfo->pseudo_palette = pseudo_pal; |
| if (viafb_accel && !viafb_setup_engine(viafbinfo)) { |
| viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA | |
| FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_IMAGEBLIT; |
| default_var.accel_flags = FB_ACCELF_TEXT; |
| } else { |
| viafbinfo->flags |= FBINFO_HWACCEL_DISABLED; |
| default_var.accel_flags = 0; |
| } |
| |
| if (viafb_second_size && (viafb_second_size < 8)) { |
| viafb_second_offset = viaparinfo->fbmem_free - |
| viafb_second_size * 1024 * 1024; |
| } else { |
| viafb_second_size = 8; |
| viafb_second_offset = viaparinfo->fbmem_free - |
| viafb_second_size * 1024 * 1024; |
| } |
| |
| parse_mode(viafb_mode, viaparinfo->shared->iga1_devices, |
| &default_xres, &default_yres); |
| if (viafb_SAMM_ON == 1) |
| parse_mode(viafb_mode1, viaparinfo->shared->iga2_devices, |
| &viafb_second_xres, &viafb_second_yres); |
| |
| default_var.xres = default_xres; |
| default_var.yres = default_yres; |
| default_var.xres_virtual = default_xres; |
| default_var.yres_virtual = default_yres; |
| default_var.bits_per_pixel = viafb_bpp; |
| viafb_fill_var_timing_info(&default_var, viafb_get_best_mode( |
| default_var.xres, default_var.yres, viafb_refresh)); |
| viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo); |
| viafbinfo->var = default_var; |
| |
| if (viafb_dual_fb) { |
| viafbinfo1 = framebuffer_alloc(viafb_par_length, |
| &vdev->pdev->dev); |
| if (!viafbinfo1) { |
| rc = -ENOMEM; |
| goto out_fb_release; |
| } |
| viaparinfo1 = viafbinfo1->par; |
| memcpy(viaparinfo1, viaparinfo, viafb_par_length); |
| viaparinfo1->vram_addr = viafb_second_offset; |
| viaparinfo1->memsize = viaparinfo->memsize - |
| viafb_second_offset; |
| viaparinfo->memsize = viafb_second_offset; |
| viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset; |
| |
| viaparinfo1->fbmem_used = viaparinfo->fbmem_used; |
| viaparinfo1->fbmem_free = viaparinfo1->memsize - |
| viaparinfo1->fbmem_used; |
| viaparinfo->fbmem_free = viaparinfo->memsize; |
| viaparinfo->fbmem_used = 0; |
| |
| viaparinfo->iga_path = IGA1; |
| viaparinfo1->iga_path = IGA2; |
| memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info)); |
| viafbinfo1->par = viaparinfo1; |
| viafbinfo1->screen_base = viafbinfo->screen_base + |
| viafb_second_offset; |
| |
| default_var.xres = viafb_second_xres; |
| default_var.yres = viafb_second_yres; |
| default_var.xres_virtual = viafb_second_xres; |
| default_var.yres_virtual = viafb_second_yres; |
| default_var.bits_per_pixel = viafb_bpp1; |
| viafb_fill_var_timing_info(&default_var, viafb_get_best_mode( |
| default_var.xres, default_var.yres, viafb_refresh1)); |
| |
| viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1); |
| viafb_check_var(&default_var, viafbinfo1); |
| viafbinfo1->var = default_var; |
| viafb_update_fix(viafbinfo1); |
| viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var, |
| &viafbinfo1->fix); |
| } |
| |
| viafb_check_var(&viafbinfo->var, viafbinfo); |
| viafb_update_fix(viafbinfo); |
| viaparinfo->depth = fb_get_color_depth(&viafbinfo->var, |
| &viafbinfo->fix); |
| default_var.activate = FB_ACTIVATE_NOW; |
| rc = fb_alloc_cmap(&viafbinfo->cmap, 256, 0); |
| if (rc) |
| goto out_fb1_release; |
| |
| if (viafb_dual_fb && (viafb_primary_dev == LCD_Device) |
| && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) { |
| rc = register_framebuffer(viafbinfo1); |
| if (rc) |
| goto out_dealloc_cmap; |
| } |
| rc = register_framebuffer(viafbinfo); |
| if (rc) |
| goto out_fb1_unreg_lcd_cle266; |
| |
| if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device) |
| || (viaparinfo->chip_info->gfx_chip_name != |
| UNICHROME_CLE266))) { |
| rc = register_framebuffer(viafbinfo1); |
| if (rc) |
| goto out_fb_unreg; |
| } |
| DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n", |
| viafbinfo->node, viafbinfo->fix.id, default_var.xres, |
| default_var.yres, default_var.bits_per_pixel); |
| |
| viafb_init_proc(viaparinfo->shared); |
| viafb_init_dac(IGA2); |
| |
| #ifdef CONFIG_PM |
| viafb_pm_register(&viafb_fb_pm_hooks); |
| #endif |
| return 0; |
| |
| out_fb_unreg: |
| unregister_framebuffer(viafbinfo); |
| out_fb1_unreg_lcd_cle266: |
| if (viafb_dual_fb && (viafb_primary_dev == LCD_Device) |
| && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) |
| unregister_framebuffer(viafbinfo1); |
| out_dealloc_cmap: |
| fb_dealloc_cmap(&viafbinfo->cmap); |
| out_fb1_release: |
| framebuffer_release(viafbinfo1); |
| out_fb_release: |
| i2c_bus_free(viaparinfo->shared); |
| framebuffer_release(viafbinfo); |
| return rc; |
| } |
| |
| void via_fb_pci_remove(struct pci_dev *pdev) |
| { |
| DEBUG_MSG(KERN_INFO "via_pci_remove!\n"); |
| fb_dealloc_cmap(&viafbinfo->cmap); |
| unregister_framebuffer(viafbinfo); |
| if (viafb_dual_fb) |
| unregister_framebuffer(viafbinfo1); |
| viafb_remove_proc(viaparinfo->shared); |
| i2c_bus_free(viaparinfo->shared); |
| framebuffer_release(viafbinfo); |
| if (viafb_dual_fb) |
| framebuffer_release(viafbinfo1); |
| } |
| |
| #ifndef MODULE |
| static int __init viafb_setup(void) |
| { |
| char *this_opt; |
| char *options; |
| |
| DEBUG_MSG(KERN_INFO "viafb_setup!\n"); |
| |
| if (fb_get_options("viafb", &options)) |
| return -ENODEV; |
| |
| if (!options || !*options) |
| return 0; |
| |
| while ((this_opt = strsep(&options, ",")) != NULL) { |
| if (!*this_opt) |
| continue; |
| |
| if (!strncmp(this_opt, "viafb_mode1=", 12)) { |
| viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL); |
| } else if (!strncmp(this_opt, "viafb_mode=", 11)) { |
| viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL); |
| } else if (!strncmp(this_opt, "viafb_bpp1=", 11)) { |
| if (kstrtouint(this_opt + 11, 0, &viafb_bpp1) < 0) |
| return -EINVAL; |
| } else if (!strncmp(this_opt, "viafb_bpp=", 10)) { |
| if (kstrtouint(this_opt + 10, 0, &viafb_bpp) < 0) |
| return -EINVAL; |
| } else if (!strncmp(this_opt, "viafb_refresh1=", 15)) { |
| if (kstrtoint(this_opt + 15, 0, &viafb_refresh1) < 0) |
| return -EINVAL; |
| } else if (!strncmp(this_opt, "viafb_refresh=", 14)) { |
| if (kstrtoint(this_opt + 14, 0, &viafb_refresh) < 0) |
| return -EINVAL; |
| } else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21)) { |
| if (kstrtoint(this_opt + 21, 0, |
| &viafb_lcd_dsp_method) < 0) |
| return -EINVAL; |
| } else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19)) { |
| if (kstrtoint(this_opt + 19, 0, |
| &viafb_lcd_panel_id) < 0) |
| return -EINVAL; |
| } else if (!strncmp(this_opt, "viafb_accel=", 12)) { |
| if (kstrtoint(this_opt + 12, 0, &viafb_accel) < 0) |
| return -EINVAL; |
| } else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14)) { |
| if (kstrtoint(this_opt + 14, 0, &viafb_SAMM_ON) < 0) |
| return -EINVAL; |
| } else if (!strncmp(this_opt, "viafb_active_dev=", 17)) { |
| viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL); |
| } else if (!strncmp(this_opt, |
| "viafb_display_hardware_layout=", 30)) { |
| if (kstrtoint(this_opt + 30, 0, |
| &viafb_display_hardware_layout) < 0) |
| return -EINVAL; |
| } else if (!strncmp(this_opt, "viafb_second_size=", 18)) { |
| if (kstrtoint(this_opt + 18, 0, &viafb_second_size) < 0) |
| return -EINVAL; |
| } else if (!strncmp(this_opt, |
| "viafb_platform_epia_dvi=", 24)) { |
| if (kstrtoint(this_opt + 24, 0, |
| &viafb_platform_epia_dvi) < 0) |
| return -EINVAL; |
| } else if (!strncmp(this_opt, |
| "viafb_device_lcd_dualedge=", 26)) { |
| if (kstrtoint(this_opt + 26, 0, |
| &viafb_device_lcd_dualedge) < 0) |
| return -EINVAL; |
| } else if (!strncmp(this_opt, "viafb_bus_width=", 16)) { |
| if (kstrtoint(this_opt + 16, 0, &viafb_bus_width) < 0) |
| return -EINVAL; |
| } else if (!strncmp(this_opt, "viafb_lcd_mode=", 15)) { |
| if (kstrtoint(this_opt + 15, 0, &viafb_lcd_mode) < 0) |
| return -EINVAL; |
| } else if (!strncmp(this_opt, "viafb_lcd_port=", 15)) { |
| viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL); |
| } else if (!strncmp(this_opt, "viafb_dvi_port=", 15)) { |
| viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL); |
| } |
| } |
| return 0; |
| } |
| #endif |
| |
| /* |
| * These are called out of via-core for now. |
| */ |
| int __init viafb_init(void) |
| { |
| u32 dummy_x, dummy_y; |
| int r = 0; |
| |
| if (machine_is_olpc()) |
| /* Apply XO-1.5-specific configuration. */ |
| viafb_lcd_panel_id = 23; |
| |
| #ifndef MODULE |
| r = viafb_setup(); |
| if (r < 0) |
| return r; |
| #endif |
| if (parse_mode(viafb_mode, 0, &dummy_x, &dummy_y) |
| || !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh) |
| || parse_mode(viafb_mode1, 0, &dummy_x, &dummy_y) |
| || !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh1) |
| || viafb_bpp < 0 || viafb_bpp > 32 |
| || viafb_bpp1 < 0 || viafb_bpp1 > 32 |
| || parse_active_dev()) |
| return -EINVAL; |
| |
| printk(KERN_INFO |
| "VIA Graphics Integration Chipset framebuffer %d.%d initializing\n", |
| VERSION_MAJOR, VERSION_MINOR); |
| return r; |
| } |
| |
| void __exit viafb_exit(void) |
| { |
| DEBUG_MSG(KERN_INFO "viafb_exit!\n"); |
| } |
| |
| static struct fb_ops viafb_ops = { |
| .owner = THIS_MODULE, |
| .fb_open = viafb_open, |
| .fb_release = viafb_release, |
| .fb_check_var = viafb_check_var, |
| .fb_set_par = viafb_set_par, |
| .fb_setcolreg = viafb_setcolreg, |
| .fb_pan_display = viafb_pan_display, |
| .fb_blank = viafb_blank, |
| .fb_fillrect = viafb_fillrect, |
| .fb_copyarea = viafb_copyarea, |
| .fb_imageblit = viafb_imageblit, |
| .fb_cursor = viafb_cursor, |
| .fb_ioctl = viafb_ioctl, |
| .fb_sync = viafb_sync, |
| }; |
| |
| |
| #ifdef MODULE |
| module_param(viafb_mode, charp, S_IRUSR); |
| MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)"); |
| |
| module_param(viafb_mode1, charp, S_IRUSR); |
| MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)"); |
| |
| module_param(viafb_bpp, int, S_IRUSR); |
| MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)"); |
| |
| module_param(viafb_bpp1, int, S_IRUSR); |
| MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)"); |
| |
| module_param(viafb_refresh, int, S_IRUSR); |
| MODULE_PARM_DESC(viafb_refresh, |
| "Set CRT viafb_refresh rate (default = 60)"); |
| |
| module_param(viafb_refresh1, int, S_IRUSR); |
| MODULE_PARM_DESC(viafb_refresh1, |
| "Set CRT refresh rate (default = 60)"); |
| |
| module_param(viafb_lcd_panel_id, int, S_IRUSR); |
| MODULE_PARM_DESC(viafb_lcd_panel_id, |
| "Set Flat Panel type(Default=1024x768)"); |
| |
| module_param(viafb_lcd_dsp_method, int, S_IRUSR); |
| MODULE_PARM_DESC(viafb_lcd_dsp_method, |
| "Set Flat Panel display scaling method.(Default=Expansion)"); |
| |
| module_param(viafb_SAMM_ON, int, S_IRUSR); |
| MODULE_PARM_DESC(viafb_SAMM_ON, |
| "Turn on/off flag of SAMM(Default=OFF)"); |
| |
| module_param(viafb_accel, int, S_IRUSR); |
| MODULE_PARM_DESC(viafb_accel, |
| "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)"); |
| |
| module_param(viafb_active_dev, charp, S_IRUSR); |
| MODULE_PARM_DESC(viafb_active_dev, "Specify active devices."); |
| |
| module_param(viafb_display_hardware_layout, int, S_IRUSR); |
| MODULE_PARM_DESC(viafb_display_hardware_layout, |
| "Display Hardware Layout (LCD Only, DVI Only...,etc)"); |
| |
| module_param(viafb_second_size, int, S_IRUSR); |
| MODULE_PARM_DESC(viafb_second_size, |
| "Set secondary device memory size"); |
| |
| module_param(viafb_dual_fb, int, S_IRUSR); |
| MODULE_PARM_DESC(viafb_dual_fb, |
| "Turn on/off flag of dual framebuffer devices.(Default = OFF)"); |
| |
| module_param(viafb_platform_epia_dvi, int, S_IRUSR); |
| MODULE_PARM_DESC(viafb_platform_epia_dvi, |
| "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)"); |
| |
| module_param(viafb_device_lcd_dualedge, int, S_IRUSR); |
| MODULE_PARM_DESC(viafb_device_lcd_dualedge, |
| "Turn on/off flag of dual edge panel.(Default = OFF)"); |
| |
| module_param(viafb_bus_width, int, S_IRUSR); |
| MODULE_PARM_DESC(viafb_bus_width, |
| "Set bus width of panel.(Default = 12)"); |
| |
| module_param(viafb_lcd_mode, int, S_IRUSR); |
| MODULE_PARM_DESC(viafb_lcd_mode, |
| "Set Flat Panel mode(Default=OPENLDI)"); |
| |
| module_param(viafb_lcd_port, charp, S_IRUSR); |
| MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port."); |
| |
| module_param(viafb_dvi_port, charp, S_IRUSR); |
| MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port."); |
| |
| MODULE_LICENSE("GPL"); |
| #endif |