diff options
Diffstat (limited to 'drivers/video/fbdev/via/viafbdev.c')
| -rw-r--r-- | drivers/video/fbdev/via/viafbdev.c | 2175 |
1 files changed, 2175 insertions, 0 deletions
diff --git a/drivers/video/fbdev/via/viafbdev.c b/drivers/video/fbdev/via/viafbdev.c new file mode 100644 index 000000000..f9718f012 --- /dev/null +++ b/drivers/video/fbdev/via/viafbdev.c @@ -0,0 +1,2175 @@ +/* + * Copyright 1998-2009 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 <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> +#include <asm/olpc.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(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[%l]=:%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 file_operations viafb_dvp0_proc_fops = { + .owner = THIS_MODULE, + .open = viafb_dvp0_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .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 file_operations viafb_dvp1_proc_fops = { + .owner = THIS_MODULE, + .open = viafb_dvp1_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .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 file_operations viafb_dfph_proc_fops = { + .owner = THIS_MODULE, + .open = viafb_dfph_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .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 file_operations viafb_dfpl_proc_fops = { + .owner = THIS_MODULE, + .open = viafb_dfpl_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .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 file_operations viafb_vt1636_proc_fops = { + .owner = THIS_MODULE, + .open = viafb_vt1636_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = viafb_vt1636_proc_write, +}; + +#endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ + +static int 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 int viafb_sup_odev_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, viafb_sup_odev_proc_show, NULL); +} + +static const struct file_operations viafb_sup_odev_proc_fops = { + .owner = THIS_MODULE, + .open = viafb_sup_odev_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +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 file_operations viafb_iga1_odev_proc_fops = { + .owner = THIS_MODULE, + .open = viafb_iga1_odev_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .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 file_operations viafb_iga2_odev_proc_fops = { + .owner = THIS_MODULE, + .open = viafb_iga2_odev_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .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_fops); + proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_fops); + proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_fops); + proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_fops); + 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_fops); +#endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ + + proc_create("supported_output_devices", 0, viafb_entry, + &viafb_sup_odev_proc_fops); + iga1_entry = proc_mkdir("iga1", viafb_entry); + shared->iga1_proc_entry = iga1_entry; + proc_create("output_devices", 0, iga1_entry, + &viafb_iga1_odev_proc_fops); + iga2_entry = proc_mkdir("iga2", viafb_entry); + shared->iga2_proc_entry = iga2_entry; + proc_create("output_devices", 0, iga2_entry, + &viafb_iga2_odev_proc_fops); + } +} +static void viafb_remove_proc(struct viafb_shared *shared) +{ + struct proc_dir_entry *viafb_entry = shared->proc_entry, + *iga1_entry = shared->iga1_proc_entry, + *iga2_entry = shared->iga2_proc_entry; + + if (!viafb_entry) + return; + + remove_proc_entry("output_devices", iga2_entry); + remove_proc_entry("iga2", viafb_entry); + remove_proc_entry("output_devices", iga1_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) { + printk(KERN_ERR"Could not allocate memory for viafb_info.\n"); + 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) { + printk(KERN_ERR + "allocate the second framebuffer struct error\n"); + 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=Expandsion)"); + +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 |