diff options
Diffstat (limited to 'drivers/video/via/viafbdev.c')
| -rw-r--r-- | drivers/video/via/viafbdev.c | 2571 |
1 files changed, 2571 insertions, 0 deletions
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c new file mode 100644 index 000000000000..0132eae06f55 --- /dev/null +++ b/drivers/video/via/viafbdev.c @@ -0,0 +1,2571 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include <linux/module.h> +#define _MASTER_FILE + +#include "global.h" + +static int MAX_CURS = 32; +static struct fb_var_screeninfo default_var; +static char *viafb_name = "Via"; +static u32 pseudo_pal[17]; + +/* video mode */ +static char *viafb_mode = "640x480"; +static char *viafb_mode1 = "640x480"; +static int viafb_resMode = VIA_RES_640X480; + +/* Added for specifying active devices.*/ +char *viafb_active_dev = ""; + +/* Added for specifying video on devices.*/ +char *viafb_video_dev = ""; + +/*Added for specify lcd output port*/ +char *viafb_lcd_port = ""; +char *viafb_dvi_port = ""; + +static void viafb_set_device(struct device_t active_dev); +static int apply_device_setting(struct viafb_ioctl_setting setting_info, + struct fb_info *info); +static void apply_second_mode_setting(struct fb_var_screeninfo + *sec_var); +static void retrieve_device_setting(struct viafb_ioctl_setting + *setting_info); +static void viafb_set_video_device(u32 video_dev_info); +static void viafb_get_video_device(u32 *video_dev_info); + +/* Mode information */ +static const struct viafb_modeinfo viafb_modentry[] = { + {480, 640, VIA_RES_480X640, "480x640"}, + {640, 480, VIA_RES_640X480, "640x480"}, + {800, 480, VIA_RES_800X480, "800x480"}, + {800, 600, VIA_RES_800X600, "800x600"}, + {1024, 768, VIA_RES_1024X768, "1024x768"}, + {1152, 864, VIA_RES_1152X864, "1152x864"}, + {1280, 1024, VIA_RES_1280X1024, "1280x1024"}, + {1600, 1200, VIA_RES_1600X1200, "1600x1200"}, + {1440, 1050, VIA_RES_1440X1050, "1440x1050"}, + {1280, 768, VIA_RES_1280X768, "1280x768"}, + {1280, 800, VIA_RES_1280X800, "1280x800"}, + {1280, 960, VIA_RES_1280X960, "1280x960"}, + {1920, 1440, VIA_RES_1920X1440, "1920x1440"}, + {848, 480, VIA_RES_848X480, "848x480"}, + {1400, 1050, VIA_RES_1400X1050, "1400x1050"}, + {720, 480, VIA_RES_720X480, "720x480"}, + {720, 576, VIA_RES_720X576, "720x576"}, + {1024, 512, VIA_RES_1024X512, "1024x512"}, + {1024, 576, VIA_RES_1024X576, "1024x576"}, + {1024, 600, VIA_RES_1024X600, "1024x600"}, + {1280, 720, VIA_RES_1280X720, "1280x720"}, + {1920, 1080, VIA_RES_1920X1080, "1920x1080"}, + {1366, 768, VIA_RES_1368X768, "1368x768"}, + {1680, 1050, VIA_RES_1680X1050, "1680x1050"}, + {960, 600, VIA_RES_960X600, "960x600"}, + {1000, 600, VIA_RES_1000X600, "1000x600"}, + {1024, 576, VIA_RES_1024X576, "1024x576"}, + {1024, 600, VIA_RES_1024X600, "1024x600"}, + {1088, 612, VIA_RES_1088X612, "1088x612"}, + {1152, 720, VIA_RES_1152X720, "1152x720"}, + {1200, 720, VIA_RES_1200X720, "1200x720"}, + {1280, 600, VIA_RES_1280X600, "1280x600"}, + {1360, 768, VIA_RES_1360X768, "1360x768"}, + {1440, 900, VIA_RES_1440X900, "1440x900"}, + {1600, 900, VIA_RES_1600X900, "1600x900"}, + {1600, 1024, VIA_RES_1600X1024, "1600x1024"}, + {1792, 1344, VIA_RES_1792X1344, "1792x1344"}, + {1856, 1392, VIA_RES_1856X1392, "1856x1392"}, + {1920, 1200, VIA_RES_1920X1200, "1920x1200"}, + {2048, 1536, VIA_RES_2048X1536, "2048x1536"}, + {0, 0, VIA_RES_INVALID, "640x480"} +}; + +static struct fb_ops viafb_ops; + +static int viafb_update_fix(struct fb_fix_screeninfo *fix, struct fb_info *info) +{ + struct viafb_par *ppar; + ppar = info->par; + + DEBUG_MSG(KERN_INFO "viafb_update_fix!\n"); + + fix->visual = + ppar->bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; + fix->line_length = ppar->linelength; + + return 0; +} + + +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->mmio_start = viaparinfo->mmio_base; + fix->mmio_len = viaparinfo->mmio_len; + + fix->type = FB_TYPE_PACKED_PIXELS; + fix->type_aux = 0; + + 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 void viafb_update_viafb_par(struct fb_info *info) +{ + struct viafb_par *ppar; + + ppar = info->par; + ppar->bpp = info->var.bits_per_pixel; + ppar->linelength = ((info->var.xres_virtual + 7) & ~7) * ppar->bpp / 8; + ppar->hres = info->var.xres; + ppar->vres = info->var.yres; + ppar->xoffset = info->var.xoffset; + ppar->yoffset = info->var.yoffset; +} + +static int viafb_check_var(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + int vmode_index, htotal, vtotal; + struct viafb_par *ppar; + u32 long_refresh; + struct viafb_par *p_viafb_par; + ppar = info->par; + + + 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; + + vmode_index = viafb_get_mode_index(var->xres, var->yres, 0); + if (vmode_index == VIA_RES_INVALID) { + DEBUG_MSG(KERN_INFO + "viafb: Mode %dx%dx%d not supported!!\n", + var->xres, var->yres, var->bits_per_pixel); + return -EINVAL; + } + + if (24 == var->bits_per_pixel) + var->bits_per_pixel = 32; + + if (var->bits_per_pixel != 8 && var->bits_per_pixel != 16 && + var->bits_per_pixel != 32) + return -EINVAL; + + if ((var->xres_virtual * (var->bits_per_pixel >> 3)) & 0x1F) + /*32 pixel alignment */ + var->xres_virtual = (var->xres_virtual + 31) & ~31; + if (var->xres_virtual * var->yres_virtual * var->bits_per_pixel / 8 > + ppar->memsize) + return -EINVAL; + + /* Based on var passed in to calculate the refresh, + * because our driver use some modes special. + */ + htotal = var->xres + var->left_margin + + var->right_margin + var->hsync_len; + vtotal = var->yres + var->upper_margin + + var->lower_margin + var->vsync_len; + long_refresh = 1000000000UL / var->pixclock * 1000; + long_refresh /= (htotal * vtotal); + + viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh); + + /* Adjust var according to our driver's own table */ + viafb_fill_var_timing_info(var, viafb_refresh, vmode_index); + + /* This is indeed a patch for VT3353 */ + if (!info->par) + return -1; + p_viafb_par = (struct viafb_par *)info->par; + if (p_viafb_par->chip_info->gfx_chip_name == UNICHROME_VX800) + var->accel_flags = 0; + + return 0; +} + +static int viafb_set_par(struct fb_info *info) +{ + int vmode_index; + int vmode_index1 = 0; + DEBUG_MSG(KERN_INFO "viafb_set_par!\n"); + + viafb_update_device_setting(info->var.xres, info->var.yres, + info->var.bits_per_pixel, viafb_refresh, 0); + + vmode_index = viafb_get_mode_index(info->var.xres, info->var.yres, 0); + + 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); + vmode_index1 = viafb_get_mode_index(viafb_second_xres, + viafb_second_yres, 1); + DEBUG_MSG(KERN_INFO "->viafb_SAMM_ON: index=%d\n", + vmode_index1); + + viafb_update_device_setting(viafb_second_xres, + viafb_second_yres, viafb_bpp1, viafb_refresh1, 1); + } + + if (vmode_index != VIA_RES_INVALID) { + viafb_setmode(vmode_index, info->var.xres, info->var.yres, + info->var.bits_per_pixel, vmode_index1, + viafb_second_xres, viafb_second_yres, viafb_bpp1); + + /*We should set memory offset according virtual_x */ + /*Fix me:put this function into viafb_setmode */ + viafb_memory_pitch_patch(info); + + /* Update ***fb_par information */ + viafb_update_viafb_par(info); + + /* Update other fixed information */ + viafb_update_fix(&info->fix, info); + viafb_bpp = info->var.bits_per_pixel; + /* Update viafb_accel, it is necessary to our 2D accelerate */ + viafb_accel = info->var.accel_flags; + + if (viafb_accel) + viafb_set_2d_color_depth(info->var.bits_per_pixel); + } + + return 0; +} + +/* Set one color register */ +static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green, +unsigned blue, unsigned transp, struct fb_info *info) +{ + u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10; + unsigned cmap_entries = (info->var.bits_per_pixel == 8) ? 256 : 16; + DEBUG_MSG(KERN_INFO "viafb_setcolreg!\n"); + if (regno >= cmap_entries) + return 1; + if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) { + /* + * Read PCI bus 0,dev 0,function 0,index 0xF6 to get chip rev. + */ + outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8); + rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff; + } + switch (info->var.bits_per_pixel) { + case 8: + outb(0x1A, 0x3C4); + sr1a = inb(0x3C5); + outb(0x1B, 0x3C4); + sr1b = inb(0x3C5); + outb(0x67, 0x3D4); + cr67 = inb(0x3D5); + outb(0x6A, 0x3D4); + cr6a = inb(0x3D5); + + /* Map the 3C6/7/8/9 to the IGA2 */ + outb(0x1A, 0x3C4); + outb(sr1a | 0x01, 0x3C5); + /* Second Display Engine colck always on */ + outb(0x1B, 0x3C4); + outb(sr1b | 0x80, 0x3C5); + /* Second Display Color Depth 8 */ + outb(0x67, 0x3D4); + outb(cr67 & 0x3F, 0x3D5); + outb(0x6A, 0x3D4); + /* Second Display Channel Reset CR6A[6]) */ + outb(cr6a & 0xBF, 0x3D5); + /* Second Display Channel Enable CR6A[7] */ + outb(cr6a | 0x80, 0x3D5); + /* Second Display Channel stop reset) */ + outb(cr6a | 0x40, 0x3D5); + + /* Bit mask of palette */ + outb(0xFF, 0x3c6); + /* Write one register of IGA2 */ + outb(regno, 0x3C8); + if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name && + rev >= 15) { + shift = 8; + viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5); + viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7); + } else { + shift = 10; + viafb_write_reg_mask(CR6A, VIACR, 0, BIT5); + viafb_write_reg_mask(SR15, VIASR, 0, BIT7); + } + outb(red >> shift, 0x3C9); + outb(green >> shift, 0x3C9); + outb(blue >> shift, 0x3C9); + + /* Map the 3C6/7/8/9 to the IGA1 */ + outb(0x1A, 0x3C4); + outb(sr1a & 0xFE, 0x3C5); + /* Bit mask of palette */ + outb(0xFF, 0x3c6); + /* Write one register of IGA1 */ + outb(regno, 0x3C8); + outb(red >> shift, 0x3C9); + outb(green >> shift, 0x3C9); + outb(blue >> shift, 0x3C9); + + outb(0x1A, 0x3C4); + outb(sr1a, 0x3C5); + outb(0x1B, 0x3C4); + outb(sr1b, 0x3C5); + outb(0x67, 0x3D4); + outb(cr67, 0x3D5); + outb(0x6A, 0x3D4); + outb(cr6a, 0x3D5); + break; + case 16: + ((u32 *) info->pseudo_palette)[regno] = (red & 0xF800) | + ((green & 0xFC00) >> 5) | ((blue & 0xF800) >> 11); + break; + case 32: + ((u32 *) info->pseudo_palette)[regno] = + ((transp & 0xFF00) << 16) | + ((red & 0xFF00) << 8) | + ((green & 0xFF00)) | ((blue & 0xFF00) >> 8); + break; + } + + return 0; + +} + +/*CALLED BY: fb_set_cmap */ +/* fb_set_var, pass 256 colors */ +/*CALLED BY: fb_set_cmap */ +/* fbcon_set_palette, pass 16 colors */ +static int viafb_setcmap(struct fb_cmap *cmap, struct fb_info *info) +{ + u32 len = cmap->len; + u32 i; + u16 *pred = cmap->red; + u16 *pgreen = cmap->green; + u16 *pblue = cmap->blue; + u16 *ptransp = cmap->transp; + u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10; + if (len > 256) + return 1; + if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) { + /* + * Read PCI bus 0, dev 0, function 0, index 0xF6 to get chip + * rev. + */ + outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8); + rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff; + } + switch (info->var.bits_per_pixel) { + case 8: + outb(0x1A, 0x3C4); + sr1a = inb(0x3C5); + outb(0x1B, 0x3C4); + sr1b = inb(0x3C5); + outb(0x67, 0x3D4); + cr67 = inb(0x3D5); + outb(0x6A, 0x3D4); + cr6a = inb(0x3D5); + /* Map the 3C6/7/8/9 to the IGA2 */ + outb(0x1A, 0x3C4); + outb(sr1a | 0x01, 0x3C5); + outb(0x1B, 0x3C4); + /* Second Display Engine colck always on */ + outb(sr1b | 0x80, 0x3C5); + outb(0x67, 0x3D4); + /* Second Display Color Depth 8 */ + outb(cr67 & 0x3F, 0x3D5); + outb(0x6A, 0x3D4); + /* Second Display Channel Reset CR6A[6]) */ + outb(cr6a & 0xBF, 0x3D5); + /* Second Display Channel Enable CR6A[7] */ + outb(cr6a | 0x80, 0x3D5); + /* Second Display Channel stop reset) */ + outb(cr6a | 0xC0, 0x3D5); + + /* Bit mask of palette */ + outb(0xFF, 0x3c6); + outb(0x00, 0x3C8); + if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name && + rev >= 15) { + shift = 8; + viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5); + viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7); + } else { + shift = 10; + viafb_write_reg_mask(CR6A, VIACR, 0, BIT5); + viafb_write_reg_mask(SR15, VIASR, 0, BIT7); + } + for (i = 0; i < len; i++) { + outb((*(pred + i)) >> shift, 0x3C9); + outb((*(pgreen + i)) >> shift, 0x3C9); + outb((*(pblue + i)) >> shift, 0x3C9); + } + + outb(0x1A, 0x3C4); + /* Map the 3C6/7/8/9 to the IGA1 */ + outb(sr1a & 0xFE, 0x3C5); + /* Bit mask of palette */ + outb(0xFF, 0x3c6); + outb(0x00, 0x3C8); + for (i = 0; i < len; i++) { + outb((*(pred + i)) >> shift, 0x3C9); + outb((*(pgreen + i)) >> shift, 0x3C9); + outb((*(pblue + i)) >> shift, 0x3C9); + } + + outb(0x1A, 0x3C4); + outb(sr1a, 0x3C5); + outb(0x1B, 0x3C4); + outb(sr1b, 0x3C5); + outb(0x67, 0x3D4); + outb(cr67, 0x3D5); + outb(0x6A, 0x3D4); + outb(cr6a, 0x3D5); + break; + case 16: + if (len > 17) + return 0; /* Because static u32 pseudo_pal[17]; */ + for (i = 0; i < len; i++) + ((u32 *) info->pseudo_palette)[i] = + (*(pred + i) & 0xF800) | + ((*(pgreen + i) & 0xFC00) >> 5) | + ((*(pblue + i) & 0xF800) >> 11); + break; + case 32: + if (len > 17) + return 0; + if (ptransp) { + for (i = 0; i < len; i++) + ((u32 *) info->pseudo_palette)[i] = + ((*(ptransp + i) & 0xFF00) << 16) | + ((*(pred + i) & 0xFF00) << 8) | + ((*(pgreen + i) & 0xFF00)) | + ((*(pblue + i) & 0xFF00) >> 8); + } else { + for (i = 0; i < len; i++) + ((u32 *) info->pseudo_palette)[i] = + 0x00000000 | + ((*(pred + i) & 0xFF00) << 8) | + ((*(pgreen + i) & 0xFF00)) | + ((*(pblue + i) & 0xFF00) >> 8); + } + break; + } + return 0; +} + +static int viafb_pan_display(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + unsigned int offset; + + DEBUG_MSG(KERN_INFO "viafb_pan_display!\n"); + + offset = (var->xoffset + (var->yoffset * var->xres_virtual)) * + var->bits_per_pixel / 16; + + DEBUG_MSG(KERN_INFO "\nviafb_pan_display,offset =%d ", offset); + + viafb_write_reg_mask(0x48, 0x3d4, ((offset >> 24) & 0x3), 0x3); + viafb_write_reg_mask(0x34, 0x3d4, ((offset >> 16) & 0xff), 0xff); + viafb_write_reg_mask(0x0c, 0x3d4, ((offset >> 8) & 0xff), 0xff); + viafb_write_reg_mask(0x0d, 0x3d4, (offset & 0xff), 0xff); + + 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 */ + viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5); + break; + case FB_BLANK_HSYNC_SUSPEND: + /* Screen: Off, HSync: Off, VSync: On */ + /* control CRT monitor power management */ + viafb_write_reg_mask(CR36, VIACR, 0x10, BIT4 + BIT5); + break; + case FB_BLANK_VSYNC_SUSPEND: + /* Screen: Off, HSync: On, VSync: Off */ + /* control CRT monitor power management */ + viafb_write_reg_mask(CR36, VIACR, 0x20, BIT4 + BIT5); + break; + case FB_BLANK_POWERDOWN: + /* Screen: Off, HSync: Off, VSync: Off */ + /* control CRT monitor power management */ + viafb_write_reg_mask(CR36, VIACR, 0x30, BIT4 + BIT5); + break; + } + + return 0; +} + +static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg) +{ + 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; + u32 state_info = 0; + u32 viainfo_size = sizeof(struct viafb_ioctl_info); + u32 *viafb_gamma_table; + char driver_name[] = "viafb"; + + u32 __user *argp = (u32 __user *) arg; + u32 gpu32; + u32 video_dev_info = 0; + struct viafb_ioctl_setting viafb_setting = {}; + struct device_t active_dev = {}; + + DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd); + + 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(viainfo_size, 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: + viamode.xres = (u32) viafb_hotplug_Xres; + viamode.yres = (u32) viafb_hotplug_Yres; + viamode.refresh = (u32) viafb_hotplug_refresh; + viamode.bpp = (u32) viafb_hotplug_bpp; + if (viafb_SAMM_ON == 1) { + viamode.xres_sec = viafb_second_xres; + viamode.yres_sec = viafb_second_yres; + viamode.virtual_xres_sec = viafb_second_virtual_xres; + viamode.virtual_yres_sec = viafb_second_virtual_yres; + viamode.refresh_sec = viafb_refresh1; + viamode.bpp_sec = viafb_bpp1; + } else { + viamode.xres_sec = 0; + viamode.yres_sec = 0; + viamode.virtual_xres_sec = 0; + viamode.virtual_yres_sec = 0; + viamode.refresh_sec = 0; + viamode.bpp_sec = 0; + } + if (copy_to_user(argp, &viamode, sizeof(viamode))) + return -EFAULT; + break; + case VIAFB_GET_SAMM_INFO: + viasamm.samm_status = viafb_SAMM_ON; + + if (viafb_SAMM_ON == 1) { + if (viafb_dual_fb) { + viasamm.size_prim = viaparinfo->fbmem_free; + viasamm.size_sec = viaparinfo1->fbmem_free; + } else { + if (viafb_second_size) { + viasamm.size_prim = + viaparinfo->fbmem_free - + viafb_second_size * 1024 * 1024; + viasamm.size_sec = + viafb_second_size * 1024 * 1024; + } else { + viasamm.size_prim = + viaparinfo->fbmem_free >> 1; + viasamm.size_sec = + (viaparinfo->fbmem_free >> 1); + } + } + viasamm.mem_base = viaparinfo->fbmem; + viasamm.offset_sec = viafb_second_offset; + } else { + viasamm.size_prim = + viaparinfo->memsize - viaparinfo->fbmem_used; + viasamm.size_sec = 0; + viasamm.mem_base = viaparinfo->fbmem; + viasamm.offset_sec = 0; + } + + if (copy_to_user(argp, &viasamm, sizeof(viasamm))) + return -EFAULT; + + break; + case VIAFB_TURN_ON_OUTPUT_DEVICE: + if (copy_from_user(&gpu32, argp, sizeof(gpu32))) + return -EFAULT; + if (gpu32 & CRT_Device) + viafb_crt_enable(); + 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) + viafb_crt_disable(); + if (gpu32 & DVI_Device) + viafb_dvi_disable(); + if (gpu32 & LCD_Device) + viafb_lcd_disable(); + break; + case VIAFB_SET_DEVICE: + if (copy_from_user(&active_dev, (void *)argp, + sizeof(active_dev))) + return -EFAULT; + viafb_set_device(active_dev); + viafb_set_par(info); + break; + case VIAFB_GET_DEVICE: + active_dev.crt = viafb_CRT_ON; + active_dev.dvi = viafb_DVI_ON; + active_dev.lcd = viafb_LCD_ON; + active_dev.samm = viafb_SAMM_ON; + active_dev.primary_dev = viafb_primary_dev; + + active_dev.lcd_dsp_cent = viafb_lcd_dsp_method; + active_dev.lcd_panel_id = viafb_lcd_panel_id; + active_dev.lcd_mode = viafb_lcd_mode; + + active_dev.xres = viafb_hotplug_Xres; + active_dev.yres = viafb_hotplug_Yres; + + active_dev.xres1 = viafb_second_xres; + active_dev.yres1 = viafb_second_yres; + + active_dev.bpp = viafb_bpp; + active_dev.bpp1 = viafb_bpp1; + active_dev.refresh = viafb_refresh; + active_dev.refresh1 = viafb_refresh1; + + active_dev.epia_dvi = viafb_platform_epia_dvi; + active_dev.lcd_dual_edge = viafb_device_lcd_dualedge; + active_dev.bus_width = viafb_bus_width; + + if (copy_to_user(argp, &active_dev, sizeof(active_dev))) + return -EFAULT; + break; + + case VIAFB_GET_DRIVER_VERSION: + driver_version.iMajorNum = VERSION_MAJOR; + driver_version.iKernelNum = VERSION_KERNEL; + driver_version.iOSNum = VERSION_OS; + driver_version.iMinorNum = VERSION_MINOR; + + if (copy_to_user(argp, &driver_version, + sizeof(driver_version))) + return -EFAULT; + + break; + + case VIAFB_SET_DEVICE_INFO: + if (copy_from_user(&viafb_setting, + argp, sizeof(viafb_setting))) + return -EFAULT; + if (apply_device_setting(viafb_setting, info) < 0) + return -EINVAL; + + break; + + case VIAFB_SET_SECOND_MODE: + if (copy_from_user(&sec_var, argp, sizeof(sec_var))) + return -EFAULT; + apply_second_mode_setting(&sec_var); + break; + + case VIAFB_GET_DEVICE_INFO: + + retrieve_device_setting(&viafb_setting); + + if (copy_to_user(argp, &viafb_setting, sizeof(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 = kmalloc(256 * sizeof(u32), GFP_KERNEL); + if (!viafb_gamma_table) + return -ENOMEM; + if (copy_from_user(viafb_gamma_table, argp, + sizeof(viafb_gamma_table))) { + kfree(viafb_gamma_table); + return -EFAULT; + } + 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, + sizeof(viafb_gamma_table))) { + 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_SET_VIDEO_DEVICE: + get_user(video_dev_info, argp); + viafb_set_video_device(video_dev_info); + break; + case VIAFB_GET_VIDEO_DEVICE: + viafb_get_video_device(&video_dev_info); + if (put_user(video_dev_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 + (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + return -EFAULT; + panel_pos_size_para.x = panel_pos_size_para.y = 0; + if (copy_to_user(argp, &panel_pos_size_para, + sizeof(panel_pos_size_para))) + return -EFAULT; + break; + case VIAFB_GET_PANEL_MAX_POSITION: + if (copy_from_user + (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + return -EFAULT; + panel_pos_size_para.x = panel_pos_size_para.y = 0; + if (copy_to_user(argp, &panel_pos_size_para, + sizeof(panel_pos_size_para))) + return -EFAULT; + break; + + case VIAFB_GET_PANEL_POSITION: + if (copy_from_user + (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + return -EFAULT; + panel_pos_size_para.x = panel_pos_size_para.y = 0; + if (copy_to_user(argp, &panel_pos_size_para, + sizeof(panel_pos_size_para))) + return -EFAULT; + break; + case VIAFB_GET_PANEL_SIZE: + if (copy_from_user + (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + return -EFAULT; + panel_pos_size_para.x = panel_pos_size_para.y = 0; + if (copy_to_user(argp, &panel_pos_size_para, + sizeof(panel_pos_size_para))) + return -EFAULT; + break; + + case VIAFB_SET_PANEL_POSITION: + if (copy_from_user + (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + return -EFAULT; + break; + case VIAFB_SET_PANEL_SIZE: + if (copy_from_user + (&panel_pos_size_para, argp, sizeof(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) +{ + u32 col = 0, rop = 0; + int pitch; + + if (!viafb_accel) + return cfb_fillrect(info, rect); + + if (!rect->width || !rect->height) + return; + + switch (rect->rop) { + case ROP_XOR: + rop = 0x5A; + break; + case ROP_COPY: + default: + rop = 0xF0; + break; + } + + switch (info->var.bits_per_pixel) { + case 8: + col = rect->color; + break; + case 16: + col = ((u32 *) (info->pseudo_palette))[rect->color]; + break; + case 32: + col = ((u32 *) (info->pseudo_palette))[rect->color]; + break; + } + + /* BitBlt Source Address */ + writel(0x0, viaparinfo->io_virt + VIA_REG_SRCPOS); + /* Source Base Address */ + writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE); + /* Destination Base Address */ + writel(((unsigned long) (info->screen_base) - + (unsigned long) viafb_FB_MM) >> 3, + viaparinfo->io_virt + VIA_REG_DSTBASE); + /* Pitch */ + pitch = (info->var.xres_virtual + 7) & ~7; + writel(VIA_PITCH_ENABLE | + (((pitch * + info->var.bits_per_pixel >> 3) >> 3) | + (((pitch * info-> + var.bits_per_pixel >> 3) >> 3) << 16)), + viaparinfo->io_virt + VIA_REG_PITCH); + /* BitBlt Destination Address */ + writel(((rect->dy << 16) | rect->dx), + viaparinfo->io_virt + VIA_REG_DSTPOS); + /* Dimension: width & height */ + writel((((rect->height - 1) << 16) | (rect->width - 1)), + viaparinfo->io_virt + VIA_REG_DIMENSION); + /* Forground color or Destination color */ + writel(col, viaparinfo->io_virt + VIA_REG_FGCOLOR); + /* GE Command */ + writel((0x01 | 0x2000 | (rop << 24)), + viaparinfo->io_virt + VIA_REG_GECMD); + +} + +static void viafb_copyarea(struct fb_info *info, + const struct fb_copyarea *area) +{ + u32 dy = area->dy, sy = area->sy, direction = 0x0; + u32 sx = area->sx, dx = area->dx, width = area->width; + int pitch; + + DEBUG_MSG(KERN_INFO "viafb_copyarea!!\n"); + + if (!viafb_accel) + return cfb_copyarea(info, area); + + if (!area->width || !area->height) + return; + + if (sy < dy) { + dy += area->height - 1; + sy += area->height - 1; + direction |= 0x4000; + } + + if (sx < dx) { + dx += width - 1; + sx += width - 1; + direction |= 0x8000; + } + + /* Source Base Address */ + writel(((unsigned long) (info->screen_base) - + (unsigned long) viafb_FB_MM) >> 3, + viaparinfo->io_virt + VIA_REG_SRCBASE); + /* Destination Base Address */ + writel(((unsigned long) (info->screen_base) - + (unsigned long) viafb_FB_MM) >> 3, + viaparinfo->io_virt + VIA_REG_DSTBASE); + /* Pitch */ + pitch = (info->var.xres_virtual + 7) & ~7; + /* VIA_PITCH_ENABLE can be omitted now. */ + writel(VIA_PITCH_ENABLE | + (((pitch * + info->var.bits_per_pixel >> 3) >> 3) | (((pitch * + info->var. + bits_per_pixel + >> 3) >> 3) + << 16)), + viaparinfo->io_virt + VIA_REG_PITCH); + /* BitBlt Source Address */ + writel(((sy << 16) | sx), viaparinfo->io_virt + VIA_REG_SRCPOS); + /* BitBlt Destination Address */ + writel(((dy << 16) | dx), viaparinfo->io_virt + VIA_REG_DSTPOS); + /* Dimension: width & height */ + writel((((area->height - 1) << 16) | (area->width - 1)), + viaparinfo->io_virt + VIA_REG_DIMENSION); + /* GE Command */ + writel((0x01 | direction | (0xCC << 24)), + viaparinfo->io_virt + VIA_REG_GECMD); + +} + +static void viafb_imageblit(struct fb_info *info, + const struct fb_image *image) +{ + u32 size, bg_col = 0, fg_col = 0, *udata; + int i; + int pitch; + + if (!viafb_accel) + return cfb_imageblit(info, image); + + udata = (u32 *) image->data; + + switch (info->var.bits_per_pixel) { + case 8: + bg_col = image->bg_color; + fg_col = image->fg_color; + break; + case 16: + bg_col = ((u32 *) (info->pseudo_palette))[image->bg_color]; + fg_col = ((u32 *) (info->pseudo_palette))[image->fg_color]; + break; + case 32: + bg_col = ((u32 *) (info->pseudo_palette))[image->bg_color]; + fg_col = ((u32 *) (info->pseudo_palette))[image->fg_color]; + break; + } + size = image->width * image->height; + + /* Source Base Address */ + writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE); + /* Destination Base Address */ + writel(((unsigned long) (info->screen_base) - + (unsigned long) viafb_FB_MM) >> 3, + viaparinfo->io_virt + VIA_REG_DSTBASE); + /* Pitch */ + pitch = (info->var.xres_virtual + 7) & ~7; + writel(VIA_PITCH_ENABLE | + (((pitch * + info->var.bits_per_pixel >> 3) >> 3) | (((pitch * + info->var. + bits_per_pixel + >> 3) >> 3) + << 16)), + viaparinfo->io_virt + VIA_REG_PITCH); + /* BitBlt Source Address */ + writel(0x0, viaparinfo->io_virt + VIA_REG_SRCPOS); + /* BitBlt Destination Address */ + writel(((image->dy << 16) | image->dx), + viaparinfo->io_virt + VIA_REG_DSTPOS); + /* Dimension: width & height */ + writel((((image->height - 1) << 16) | (image->width - 1)), + viaparinfo->io_virt + VIA_REG_DIMENSION); + /* fb color */ + writel(fg_col, viaparinfo->io_virt + VIA_REG_FGCOLOR); + /* bg color */ + writel(bg_col, viaparinfo->io_virt + VIA_REG_BGCOLOR); + /* GE Command */ + writel(0xCC020142, viaparinfo->io_virt + VIA_REG_GECMD); + + for (i = 0; i < size / 4; i++) { + writel(*udata, viaparinfo->io_virt + VIA_MMIO_BLTBASE); + udata++; + } + +} + +static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor) +{ + u8 data[CURSOR_SIZE / 8]; + u32 data_bak[CURSOR_SIZE / 32]; + u32 temp, xx, yy, bg_col = 0, fg_col = 0; + int size, i, j = 0; + static int hw_cursor; + struct viafb_par *p_viafb_par; + + if (viafb_accel) + hw_cursor = 1; + + if (!viafb_accel) { + if (hw_cursor) { + viafb_show_hw_cursor(info, HW_Cursor_OFF); + hw_cursor = 0; + } + return -ENODEV; + } + + if ((((struct viafb_par *)(info->par))->iga_path == IGA2) + && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) + return -ENODEV; + + /* When duoview and using lcd , use soft cursor */ + if (viafb_LCD_ON || ((struct viafb_par *)(info->par))->duoview) + return -ENODEV; + + viafb_show_hw_cursor(info, HW_Cursor_OFF); + viacursor = *cursor; + + if (cursor->set & FB_CUR_SETHOT) { + viacursor.hot = cursor->hot; + temp = ((viacursor.hot.x) << 16) + viacursor.hot.y; + writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_ORG); + } + + if (cursor->set & FB_CUR_SETPOS) { + viacursor.image.dx = cursor->image.dx; + viacursor.image.dy = cursor->image.dy; + yy = cursor->image.dy - info->var.yoffset; + xx = cursor->image.dx - info->var.xoffset; + temp = yy & 0xFFFF; + temp |= (xx << 16); + writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_POS); + } + + if (cursor->set & FB_CUR_SETSIZE) { + temp = readl(viaparinfo->io_virt + VIA_REG_CURSOR_MODE); + + if ((cursor->image.width <= 32) + && (cursor->image.height <= 32)) { + MAX_CURS = 32; + temp |= 0x2; + } else if ((cursor->image.width <= 64) + && (cursor->image.height <= 64)) { + MAX_CURS = 64; + temp &= 0xFFFFFFFD; + } else { + DEBUG_MSG(KERN_INFO + "The cursor image is biger than 64x64 bits...\n"); + return -ENXIO; + } + writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_MODE); + + viacursor.image.height = cursor->image.height; + viacursor.image.width = cursor->image.width; + } + + if (cursor->set & FB_CUR_SETCMAP) { + viacursor.image.fg_color = cursor->image.fg_color; + viacursor.image.bg_color = cursor->image.bg_color; + + switch (info->var.bits_per_pixel) { + case 8: + case 16: + case 32: + bg_col = + (0xFF << 24) | + (((info->cmap.red)[viacursor.image.bg_color] & + 0xFF00) << 8) | + ((info->cmap.green)[viacursor.image.bg_color] & + 0xFF00) | + (((info->cmap.blue)[viacursor.image.bg_color] & + 0xFF00) >> 8); + fg_col = + (0xFF << 24) | + (((info->cmap.red)[viacursor.image.fg_color] & + 0xFF00) << 8) | + ((info->cmap.green)[viacursor.image.fg_color] & + 0xFF00) | + (((info->cmap.blue)[viacursor.image.fg_color] & + 0xFF00) >> 8); + break; + default: + return 0; + } + + /* This is indeed a patch for VT3324/VT3353 */ + if (!info->par) + return 0; + p_viafb_par = (struct viafb_par *)info->par; + + if ((p_viafb_par->chip_info->gfx_chip_name == + UNICHROME_CX700) || + ((p_viafb_par->chip_info->gfx_chip_name == + UNICHROME_VX800))) { + bg_col = + (((info->cmap.red)[viacursor.image.bg_color] & + 0xFFC0) << 14) | + (((info->cmap.green)[viacursor.image.bg_color] & + 0xFFC0) << 4) | + (((info->cmap.blue)[viacursor.image.bg_color] & + 0xFFC0) >> 6); + fg_col = + (((info->cmap.red)[viacursor.image.fg_color] & + 0xFFC0) << 14) | + (((info->cmap.green)[viacursor.image.fg_color] & + 0xFFC0) << 4) | + (((info->cmap.blue)[viacursor.image.fg_color] & + 0xFFC0) >> 6); + } + + writel(bg_col, viaparinfo->io_virt + VIA_REG_CURSOR_BG); + writel(fg_col, viaparinfo->io_virt + VIA_REG_CURSOR_FG); + } + + if (cursor->set & FB_CUR_SETSHAPE) { + size = + ((viacursor.image.width + 7) >> 3) * + viacursor.image.height; + + if (MAX_CURS == 32) { + for (i = 0; i < (CURSOR_SIZE / 32); i++) { + data_bak[i] = 0x0; + data_bak[i + 1] = 0xFFFFFFFF; + i += 1; + } + } else if (MAX_CURS == 64) { + for (i = 0; i < (CURSOR_SIZE / 32); i++) { + data_bak[i] = 0x0; + data_bak[i + 1] = 0x0; + data_bak[i + 2] = 0xFFFFFFFF; + data_bak[i + 3] = 0xFFFFFFFF; + i += 3; + } + } + + switch (viacursor.rop) { + case ROP_XOR: + for (i = 0; i < size; i++) + data[i] = viacursor.mask[i]; + break; + case ROP_COPY: + + for (i = 0; i < size; i++) + data[i] = viacursor.mask[i]; + break; + default: + break; + } + + if (MAX_CURS == 32) { + for (i = 0; i < size; i++) { + data_bak[j] = (u32) data[i]; + data_bak[j + 1] = ~data_bak[j]; + j += 2; + } + } else if (MAX_CURS == 64) { + for (i = 0; i < size; i++) { + data_bak[j] = (u32) data[i]; + data_bak[j + 1] = 0x0; + data_bak[j + 2] = ~data_bak[j]; + data_bak[j + 3] = ~data_bak[j + 1]; + j += 4; + } + } + + memcpy(((struct viafb_par *)(info->par))->fbmem_virt + + ((struct viafb_par *)(info->par))->cursor_start, + data_bak, CURSOR_SIZE); + } + + if (viacursor.enable) + viafb_show_hw_cursor(info, HW_Cursor_ON); + + return 0; +} + +static int viafb_sync(struct fb_info *info) +{ + if (viafb_accel) + viafb_wait_engine_idle(); + return 0; +} + +int viafb_get_mode_index(int hres, int vres, int flag) +{ + u32 i; + DEBUG_MSG(KERN_INFO "viafb_get_mode_index!\n"); + + for (i = 0; viafb_modentry[i].mode_index != VIA_RES_INVALID; i++) + if (viafb_modentry[i].xres == hres && + viafb_modentry[i].yres == vres) + break; + + viafb_resMode = viafb_modentry[i].mode_index; + if (flag) + viafb_mode1 = viafb_modentry[i].mode_res; + else + viafb_mode = viafb_modentry[i].mode_res; + + return viafb_resMode; +} + +static void check_available_device_to_enable(int device_id) +{ + int device_num = 0; + + /* Initialize: */ + viafb_CRT_ON = STATE_OFF; + viafb_DVI_ON = STATE_OFF; + viafb_LCD_ON = STATE_OFF; + viafb_LCD2_ON = STATE_OFF; + viafb_DeviceStatus = None_Device; + + if ((device_id & CRT_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) { + viafb_CRT_ON = STATE_ON; + device_num++; + viafb_DeviceStatus |= CRT_Device; + } + + if ((device_id & DVI_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) { + viafb_DVI_ON = STATE_ON; + device_num++; + viafb_DeviceStatus |= DVI_Device; + } + + if ((device_id & LCD_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) { + viafb_LCD_ON = STATE_ON; + device_num++; + viafb_DeviceStatus |= LCD_Device; + } + + if ((device_id & LCD2_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) { + viafb_LCD2_ON = STATE_ON; + device_num++; + viafb_DeviceStatus |= LCD2_Device; + } + + if (viafb_DeviceStatus == None_Device) { + /* Use CRT as default active device: */ + viafb_CRT_ON = STATE_ON; + viafb_DeviceStatus = CRT_Device; + } + DEBUG_MSG(KERN_INFO "Device Status:%x", viafb_DeviceStatus); +} + +static void viafb_set_device(struct device_t active_dev) +{ + /* Check available device to enable: */ + int device_id = None_Device; + if (active_dev.crt) + device_id |= CRT_Device; + if (active_dev.dvi) + device_id |= DVI_Device; + if (active_dev.lcd) + device_id |= LCD_Device; + + check_available_device_to_enable(device_id); + + /* Check property of LCD: */ + if (viafb_LCD_ON) { + if (active_dev.lcd_dsp_cent) { + viaparinfo->lvds_setting_info->display_method = + viafb_lcd_dsp_method = LCD_CENTERING; + } else { + viaparinfo->lvds_setting_info->display_method = + viafb_lcd_dsp_method = LCD_EXPANDSION; + } + + if (active_dev.lcd_mode == LCD_SPWG) { + viaparinfo->lvds_setting_info->lcd_mode = + viafb_lcd_mode = LCD_SPWG; + } else { + viaparinfo->lvds_setting_info->lcd_mode = + viafb_lcd_mode = LCD_OPENLDI; + } + + if (active_dev.lcd_panel_id <= LCD_PANEL_ID_MAXIMUM) { + viafb_lcd_panel_id = active_dev.lcd_panel_id; + viafb_init_lcd_size(); + } + } + + /* Check property of mode: */ + if (!active_dev.xres1) + viafb_second_xres = 640; + else + viafb_second_xres = active_dev.xres1; + if (!active_dev.yres1) + viafb_second_yres = 480; + else + viafb_second_yres = active_dev.yres1; + if (active_dev.bpp != 0) + viafb_bpp = active_dev.bpp; + if (active_dev.bpp1 != 0) + viafb_bpp1 = active_dev.bpp1; + if (active_dev.refresh != 0) + viafb_refresh = active_dev.refresh; + if (active_dev.refresh1 != 0) + viafb_refresh1 = active_dev.refresh1; + if ((active_dev.samm == STATE_OFF) || (active_dev.samm == STATE_ON)) + viafb_SAMM_ON = active_dev.samm; + viafb_primary_dev = active_dev.primary_dev; + + viafb_set_start_addr(); + viafb_set_iga_path(); +} + +static void viafb_set_video_device(u32 video_dev_info) +{ + viaparinfo->video_on_crt = STATE_OFF; + viaparinfo->video_on_dvi = STATE_OFF; + viaparinfo->video_on_lcd = STATE_OFF; + + /* Check available device to enable: */ + if ((video_dev_info & CRT_Device) == CRT_Device) + viaparinfo->video_on_crt = STATE_ON; + else if ((video_dev_info & DVI_Device) == DVI_Device) + viaparinfo->video_on_dvi = STATE_ON; + else if ((video_dev_info & LCD_Device) == LCD_Device) + viaparinfo->video_on_lcd = STATE_ON; +} + +static void viafb_get_video_device(u32 *video_dev_info) +{ + *video_dev_info = None_Device; + if (viaparinfo->video_on_crt == STATE_ON) + *video_dev_info |= CRT_Device; + else if (viaparinfo->video_on_dvi == STATE_ON) + *video_dev_info |= DVI_Device; + else if (viaparinfo->video_on_lcd == STATE_ON) + *video_dev_info |= LCD_Device; +} + +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->crt_setting_info->iga_path == IGA1) { + DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n", + viaparinfo-> + crt_setting_info->iga_path); + 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 u8 is_duoview(void) +{ + if (0 == viafb_SAMM_ON) { + if (viafb_LCD_ON + viafb_LCD2_ON + + viafb_DVI_ON + viafb_CRT_ON == 2) + return true; + return false; + } else { + return false; + } +} + +static void apply_second_mode_setting(struct fb_var_screeninfo + *sec_var) +{ + u32 htotal, vtotal, long_refresh; + + htotal = sec_var->xres + sec_var->left_margin + + sec_var->right_margin + sec_var->hsync_len; + vtotal = sec_var->yres + sec_var->upper_margin + + sec_var->lower_margin + sec_var->vsync_len; + if ((sec_var->xres_virtual * (sec_var->bits_per_pixel >> 3)) & 0x1F) { + /*Is 32 bytes alignment? */ + /*32 pixel alignment */ + sec_var->xres_virtual = (sec_var->xres_virtual + 31) & ~31; + } + + htotal = sec_var->xres + sec_var->left_margin + + sec_var->right_margin + sec_var->hsync_len; + vtotal = sec_var->yres + sec_var->upper_margin + + sec_var->lower_margin + sec_var->vsync_len; + long_refresh = 1000000000UL / sec_var->pixclock * 1000; + long_refresh /= (htotal * vtotal); + + viafb_second_xres = sec_var->xres; + viafb_second_yres = sec_var->yres; + viafb_second_virtual_xres = sec_var->xres_virtual; + viafb_second_virtual_yres = sec_var->yres_virtual; + viafb_bpp1 = sec_var->bits_per_pixel; + viafb_refresh1 = viafb_get_refresh(sec_var->xres, sec_var->yres, + long_refresh); +} + +static int apply_device_setting(struct viafb_ioctl_setting setting_info, + struct fb_info *info) +{ + int need_set_mode = 0; + DEBUG_MSG(KERN_INFO "apply_device_setting\n"); + + if (setting_info.device_flag) { + need_set_mode = 1; + check_available_device_to_enable(setting_info.device_status); + } + + /* Unlock LCD's operation according to LCD flag + and check if the setting value is valid. */ + /* If the value is valid, apply the new setting value to the device. */ + if (viafb_LCD_ON) { + if (setting_info.lcd_operation_flag & OP_LCD_CENTERING) { + need_set_mode = 1; + if (setting_info.lcd_attributes.display_center) { + /* Centering */ + viaparinfo->lvds_setting_info->display_method = + LCD_CENTERING; + viafb_lcd_dsp_method = LCD_CENTERING; + viaparinfo->lvds_setting_info2->display_method = + viafb_lcd_dsp_method = LCD_CENTERING; + } else { + /* expandsion */ + viaparinfo->lvds_setting_info->display_method = + LCD_EXPANDSION; + viafb_lcd_dsp_method = LCD_EXPANDSION; + viaparinfo->lvds_setting_info2->display_method = + LCD_EXPANDSION; + viafb_lcd_dsp_method = LCD_EXPANDSION; + } + } + + if (setting_info.lcd_operation_flag & OP_LCD_MODE) { + need_set_mode = 1; + if (setting_info.lcd_attributes.lcd_mode == + LCD_SPWG) { + viaparinfo->lvds_setting_info->lcd_mode = + viafb_lcd_mode = LCD_SPWG; + } else { + viaparinfo->lvds_setting_info->lcd_mode = + viafb_lcd_mode = LCD_OPENLDI; + } + viaparinfo->lvds_setting_info2->lcd_mode = + viaparinfo->lvds_setting_info->lcd_mode; + } + + if (setting_info.lcd_operation_flag & OP_LCD_PANEL_ID) { + need_set_mode = 1; + if (setting_info.lcd_attributes.panel_id <= + LCD_PANEL_ID_MAXIMUM) { + viafb_lcd_panel_id = + setting_info.lcd_attributes.panel_id; + viafb_init_lcd_size(); + } + } + } + + if (0 != (setting_info.samm_status & OP_SAMM)) { + setting_info.samm_status = + setting_info.samm_status & (~OP_SAMM); + if (setting_info.samm_status == 0 + || setting_info.samm_status == 1) { + viafb_SAMM_ON = setting_info.samm_status; + + if (viafb_SAMM_ON) + viafb_primary_dev = setting_info.primary_device; + + viafb_set_start_addr(); + viafb_set_iga_path(); + } + need_set_mode = 1; + } + + viaparinfo->duoview = is_duoview(); + + if (!need_set_mode) { + ; + } else { + viafb_set_iga_path(); + viafb_set_par(info); + } + return true; +} + +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; + if ((viaparinfo->video_on_crt == 1) && (viafb_CRT_ON == 1)) { + setting_info->video_device_status = + viaparinfo->crt_setting_info->iga_path; + } else if ((viaparinfo->video_on_dvi == 1) && (viafb_DVI_ON == 1)) { + setting_info->video_device_status = + viaparinfo->tmds_setting_info->iga_path; + } else if ((viaparinfo->video_on_lcd == 1) && (viafb_LCD_ON == 1)) { + setting_info->video_device_status = + viaparinfo->lvds_setting_info->iga_path; + } else { + setting_info->video_device_status = 0; + } + + 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 void 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 (!strncmp(viafb_active_dev, "CRT+DVI", 7)) { + /* CRT+DVI */ + viafb_CRT_ON = STATE_ON; + viafb_DVI_ON = STATE_ON; + viafb_primary_dev = CRT_Device; + } else if (!strncmp(viafb_active_dev, "DVI+CRT", 7)) { + /* DVI+CRT */ + viafb_CRT_ON = STATE_ON; + viafb_DVI_ON = STATE_ON; + viafb_primary_dev = DVI_Device; + } else if (!strncmp(viafb_active_dev, "CRT+LCD", 7)) { + /* CRT+LCD */ + viafb_CRT_ON = STATE_ON; + viafb_LCD_ON = STATE_ON; + viafb_primary_dev = CRT_Device; + } else if (!strncmp(viafb_active_dev, "LCD+CRT", 7)) { + /* LCD+CRT */ + viafb_CRT_ON = STATE_ON; + viafb_LCD_ON = STATE_ON; + viafb_primary_dev = LCD_Device; + } else if (!strncmp(viafb_active_dev, "DVI+LCD", 7)) { + /* DVI+LCD */ + viafb_DVI_ON = STATE_ON; + viafb_LCD_ON = STATE_ON; + viafb_primary_dev = DVI_Device; + } else if (!strncmp(viafb_active_dev, "LCD+DVI", 7)) { + /* LCD+DVI */ + viafb_DVI_ON = STATE_ON; + viafb_LCD_ON = STATE_ON; + viafb_primary_dev = LCD_Device; + } else if (!strncmp(viafb_active_dev, "LCD+LCD2", 8)) { + viafb_LCD_ON = STATE_ON; + viafb_LCD2_ON = STATE_ON; + viafb_primary_dev = LCD_Device; + } else if (!strncmp(viafb_active_dev, "LCD2+LCD", 8)) { + viafb_LCD_ON = STATE_ON; + viafb_LCD2_ON = STATE_ON; + viafb_primary_dev = LCD2_Device; + } else if (!strncmp(viafb_active_dev, "CRT", 3)) { + /* CRT only */ + viafb_CRT_ON = STATE_ON; + viafb_SAMM_ON = STATE_OFF; + } else if (!strncmp(viafb_active_dev, "DVI", 3)) { + /* DVI only */ + viafb_DVI_ON = STATE_ON; + viafb_SAMM_ON = STATE_OFF; + } else if (!strncmp(viafb_active_dev, "LCD", 3)) { + /* LCD only */ + viafb_LCD_ON = STATE_ON; + viafb_SAMM_ON = STATE_OFF; + } else { + viafb_CRT_ON = STATE_ON; + viafb_SAMM_ON = STATE_OFF; + } + viaparinfo->duoview = is_duoview(); +} + +static void parse_video_dev(void) +{ + viaparinfo->video_on_crt = STATE_OFF; + viaparinfo->video_on_dvi = STATE_OFF; + viaparinfo->video_on_lcd = STATE_OFF; + + if (!strncmp(viafb_video_dev, "CRT", 3)) { + /* Video on CRT */ + viaparinfo->video_on_crt = STATE_ON; + } else if (!strncmp(viafb_video_dev, "DVI", 3)) { + /* Video on DVI */ + viaparinfo->video_on_dvi = STATE_ON; + } else if (!strncmp(viafb_video_dev, "LCD", 3)) { + /* Video on LCD */ + viaparinfo->video_on_lcd = STATE_ON; + } +} + +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); +} + +/* + * 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_read(char *buf, char **start, off_t offset, +int count, int *eof, void *data) +{ + int len = 0; + 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; + len += + sprintf(buf + len, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri); + *eof = 1; /*Inform kernel end of data */ + return len; +} +static int viafb_dvp0_proc_write(struct file *file, + const char __user *buffer, unsigned long count, void *data) +{ + 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) { + strict_strtoul(value, 0, (unsigned long *)®_val); + 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 int viafb_dvp1_proc_read(char *buf, char **start, off_t offset, + int count, int *eof, void *data) +{ + int len = 0; + 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; + len += + sprintf(buf + len, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri); + *eof = 1; /*Inform kernel end of data */ + return len; +} +static int viafb_dvp1_proc_write(struct file *file, + const char __user *buffer, unsigned long count, void *data) +{ + 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) { + strict_strtoul(value, 0, (unsigned long *)®_val); + 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 int viafb_dfph_proc_read(char *buf, char **start, off_t offset, + int count, int *eof, void *data) +{ + int len = 0; + u8 dfp_high = 0; + dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f; + len += sprintf(buf + len, "%x\n", dfp_high); + *eof = 1; /*Inform kernel end of data */ + return len; +} +static int viafb_dfph_proc_write(struct file *file, + const char __user *buffer, unsigned long count, void *data) +{ + char buf[20]; + u8 reg_val = 0; + unsigned long length; + 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 */ + strict_strtoul(&buf[0], 0, (unsigned long *)®_val); + viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f); + return count; +} +static int viafb_dfpl_proc_read(char *buf, char **start, off_t offset, + int count, int *eof, void *data) +{ + int len = 0; + u8 dfp_low = 0; + dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f; + len += sprintf(buf + len, "%x\n", dfp_low); + *eof = 1; /*Inform kernel end of data */ + return len; +} +static int viafb_dfpl_proc_write(struct file *file, + const char __user *buffer, unsigned long count, void *data) +{ + char buf[20]; + u8 reg_val = 0; + unsigned long length; + 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 */ + strict_strtoul(&buf[0], 0, (unsigned long *)®_val); + viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f); + return count; +} +static int viafb_vt1636_proc_read(char *buf, char **start, + off_t offset, int count, int *eof, void *data) +{ + int len = 0; + 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; + len += sprintf(buf + len, "%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; + len += sprintf(buf + len, " %x %x\n", vt1636_08, vt1636_09); + break; + default: + break; + } + *eof = 1; /*Inform kernel end of data */ + return len; +} +static int viafb_vt1636_proc_write(struct file *file, + const char __user *buffer, unsigned long count, void *data) +{ + 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) { + strict_strtoul(value, 0, + (unsigned long *)®_val.Data); + 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) { + strict_strtoul(value, 0, + (unsigned long *)®_val.Data); + 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 void viafb_init_proc(struct proc_dir_entry *viafb_entry) +{ + struct proc_dir_entry *entry; + viafb_entry = proc_mkdir("viafb", NULL); + if (viafb_entry) { + entry = create_proc_entry("dvp0", 0, viafb_entry); + if (entry) { + entry->owner = THIS_MODULE; + entry->read_proc = viafb_dvp0_proc_read; + entry->write_proc = viafb_dvp0_proc_write; + } + entry = create_proc_entry("dvp1", 0, viafb_entry); + if (entry) { + entry->owner = THIS_MODULE; + entry->read_proc = viafb_dvp1_proc_read; + entry->write_proc = viafb_dvp1_proc_write; + } + entry = create_proc_entry("dfph", 0, viafb_entry); + if (entry) { + entry->owner = THIS_MODULE; + entry->read_proc = viafb_dfph_proc_read; + entry->write_proc = viafb_dfph_proc_write; + } + entry = create_proc_entry("dfpl", 0, viafb_entry); + if (entry) { + entry->owner = THIS_MODULE; + entry->read_proc = viafb_dfpl_proc_read; + entry->write_proc = viafb_dfpl_proc_write; + } + if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info. + lvds_chip_name || VT1636_LVDS == + viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) { + entry = create_proc_entry("vt1636", 0, viafb_entry); + if (entry) { + entry->owner = THIS_MODULE; + entry->read_proc = viafb_vt1636_proc_read; + entry->write_proc = viafb_vt1636_proc_write; + } + } + + } +} +static void viafb_remove_proc(struct proc_dir_entry *viafb_entry) +{ + /* no problem if it was not registered */ + 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); + remove_proc_entry("vt1636", viafb_entry); + remove_proc_entry("vt1625", viafb_entry); +} + +static int __devinit via_pci_probe(void) +{ + unsigned int default_xres, default_yres; + char *tmpc, *tmpm; + char *tmpc_sec, *tmpm_sec; + int vmode_index; + u32 tmds_length, lvds_length, crt_length, chip_length, viafb_par_length; + + DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n"); + + viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8); + tmds_length = ALIGN(sizeof(struct tmds_setting_information), + BITS_PER_LONG/8); + lvds_length = ALIGN(sizeof(struct lvds_setting_information), + BITS_PER_LONG/8); + crt_length = ALIGN(sizeof(struct lvds_setting_information), + BITS_PER_LONG/8); + chip_length = ALIGN(sizeof(struct chip_information), BITS_PER_LONG/8); + + /* Allocate fb_info and ***_par here, also including some other needed + * variables + */ + viafbinfo = framebuffer_alloc(viafb_par_length + 2 * lvds_length + + tmds_length + crt_length + chip_length, NULL); + if (!viafbinfo) { + printk(KERN_ERR"Could not allocate memory for viafb_info.\n"); + return -ENODEV; + } + + viaparinfo = (struct viafb_par *)viafbinfo->par; + viaparinfo->tmds_setting_info = (struct tmds_setting_information *) + ((unsigned long)viaparinfo + viafb_par_length); + viaparinfo->lvds_setting_info = (struct lvds_setting_information *) + ((unsigned long)viaparinfo->tmds_setting_info + tmds_length); + viaparinfo->lvds_setting_info2 = (struct lvds_setting_information *) + ((unsigned long)viaparinfo->lvds_setting_info + lvds_length); + viaparinfo->crt_setting_info = (struct crt_setting_information *) + ((unsigned long)viaparinfo->lvds_setting_info2 + lvds_length); + viaparinfo->chip_info = (struct chip_information *) + ((unsigned long)viaparinfo->crt_setting_info + crt_length); + + if (viafb_dual_fb) + viafb_SAMM_ON = 1; + parse_active_dev(); + parse_video_dev(); + parse_lcd_port(); + parse_dvi_port(); + + /* for dual-fb must viafb_SAMM_ON=1 and viafb_dual_fb=1 */ + if (!viafb_SAMM_ON) + viafb_dual_fb = 0; + + /* Set up I2C bus stuff */ + viafb_create_i2c_bus(viaparinfo); + + viafb_init_chip_info(); + viafb_get_fb_info(&viaparinfo->fbmem, &viaparinfo->memsize); + viaparinfo->fbmem_free = viaparinfo->memsize; + viaparinfo->fbmem_used = 0; + viaparinfo->fbmem_virt = ioremap_nocache(viaparinfo->fbmem, + viaparinfo->memsize); + viafbinfo->screen_base = (char *)viaparinfo->fbmem_virt; + + if (!viaparinfo->fbmem_virt) { + printk(KERN_INFO "ioremap failed\n"); + return -1; + } + + viafb_get_mmio_info(&viaparinfo->mmio_base, &viaparinfo->mmio_len); + viaparinfo->io_virt = ioremap_nocache(viaparinfo->mmio_base, + viaparinfo->mmio_len); + + viafbinfo->node = 0; + viafbinfo->fbops = &viafb_ops; + viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN; + + viafbinfo->pseudo_palette = pseudo_pal; + if (viafb_accel) { + viafb_init_accel(); + viafb_init_2d_engine(); + viafb_hw_cursor_init(); + } + + 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; + } + + viafb_FB_MM = viaparinfo->fbmem_virt; + tmpm = viafb_mode; + tmpc = strsep(&tmpm, "x"); + strict_strtoul(tmpc, 0, (unsigned long *)&default_xres); + strict_strtoul(tmpm, 0, (unsigned long *)&default_yres); + + vmode_index = viafb_get_mode_index(default_xres, default_yres, 0); + DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index); + + if (viafb_SAMM_ON == 1) { + if (strcmp(viafb_mode, viafb_mode1)) { + tmpm_sec = viafb_mode1; + tmpc_sec = strsep(&tmpm_sec, "x"); + strict_strtoul(tmpc_sec, 0, + (unsigned long *)&viafb_second_xres); + strict_strtoul(tmpm_sec, 0, + (unsigned long *)&viafb_second_yres); + } else { + viafb_second_xres = default_xres; + viafb_second_yres = default_yres; + } + if (0 == viafb_second_virtual_xres) { + switch (viafb_second_xres) { + case 1400: + viafb_second_virtual_xres = 1408; + break; + default: + viafb_second_virtual_xres = viafb_second_xres; + break; + } + } + if (0 == viafb_second_virtual_yres) + viafb_second_virtual_yres = viafb_second_yres; + } + + switch (viafb_bpp) { + case 0 ... 8: + viafb_bpp = 8; + break; + case 9 ... 16: + viafb_bpp = 16; + break; + case 17 ... 32: + viafb_bpp = 32; + break; + default: + viafb_bpp = 8; + } + default_var.xres = default_xres; + default_var.yres = default_yres; + switch (default_xres) { + case 1400: + default_var.xres_virtual = 1408; + break; + default: + default_var.xres_virtual = default_xres; + break; + } + default_var.yres_virtual = default_yres; + default_var.bits_per_pixel = viafb_bpp; + if (default_var.bits_per_pixel == 15) + default_var.bits_per_pixel = 16; + default_var.pixclock = + viafb_get_pixclock(default_xres, default_yres, viafb_refresh); + default_var.left_margin = (default_xres >> 3) & 0xf8; + default_var.right_margin = 32; + default_var.upper_margin = 16; + default_var.lower_margin = 4; + default_var.hsync_len = default_var.left_margin; + default_var.vsync_len = 4; + default_var.accel_flags = 0; + + if (viafb_accel) { + viafbinfo->flags |= + (FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT | + FBINFO_HWACCEL_IMAGEBLIT); + default_var.accel_flags |= FB_ACCELF_TEXT; + } else + viafbinfo->flags |= FBINFO_HWACCEL_DISABLED; + + if (viafb_dual_fb) { + viafbinfo1 = framebuffer_alloc(viafb_par_length, NULL); + if (!viafbinfo1) { + printk(KERN_ERR + "allocate the second framebuffer struct error\n"); + framebuffer_release(viafbinfo); + return -ENOMEM; + } + viaparinfo1 = viafbinfo1->par; + memcpy(viaparinfo1, viaparinfo, viafb_par_length); + viaparinfo1->memsize = viaparinfo->memsize - + viafb_second_offset; + viaparinfo->memsize = viafb_second_offset; + viaparinfo1->fbmem_virt = viaparinfo->fbmem_virt + + 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; + if (viafb_accel) { + viaparinfo1->cursor_start = + viaparinfo->cursor_start - viafb_second_offset; + viaparinfo1->VQ_start = viaparinfo->VQ_start - + viafb_second_offset; + viaparinfo1->VQ_end = viaparinfo->VQ_end - + viafb_second_offset; + } + + memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info)); + viafbinfo1->screen_base = viafbinfo->screen_base + + viafb_second_offset; + viafbinfo1->fix.smem_start = viaparinfo1->fbmem; + viafbinfo1->fix.smem_len = viaparinfo1->fbmem_free; + + default_var.xres = viafb_second_xres; + default_var.yres = viafb_second_yres; + default_var.xres_virtual = viafb_second_virtual_xres; + default_var.yres_virtual = viafb_second_virtual_yres; + if (viafb_bpp1 != viafb_bpp) + viafb_bpp1 = viafb_bpp; + default_var.bits_per_pixel = viafb_bpp1; + default_var.pixclock = + viafb_get_pixclock(viafb_second_xres, viafb_second_yres, + viafb_refresh); + default_var.left_margin = (viafb_second_xres >> 3) & 0xf8; + default_var.right_margin = 32; + default_var.upper_margin = 16; + default_var.lower_margin = 4; + default_var.hsync_len = default_var.left_margin; + default_var.vsync_len = 4; + + viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1); + viafb_check_var(&default_var, viafbinfo1); + viafbinfo1->var = default_var; + viafb_update_viafb_par(viafbinfo); + viafb_update_fix(&viafbinfo1->fix, viafbinfo1); + } + + viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo); + viafb_check_var(&default_var, viafbinfo); + viafbinfo->var = default_var; + viafb_update_viafb_par(viafbinfo); + viafb_update_fix(&viafbinfo->fix, viafbinfo); + default_var.activate = FB_ACTIVATE_NOW; + fb_alloc_cmap(&viafbinfo->cmap, 256, 0); + + if (viafb_dual_fb && (viafb_primary_dev == LCD_Device) + && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) { + if (register_framebuffer(viafbinfo1) < 0) + return -EINVAL; + } + if (register_framebuffer(viafbinfo) < 0) + return -EINVAL; + + if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device) + || (viaparinfo->chip_info->gfx_chip_name != + UNICHROME_CLE266))) { + if (register_framebuffer(viafbinfo1) < 0) + return -EINVAL; + } + 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->proc_entry); + viafb_init_dac(IGA2); + return 0; +} + +static void __devexit via_pci_remove(void) +{ + DEBUG_MSG(KERN_INFO "via_pci_remove!\n"); + fb_dealloc_cmap(&viafbinfo->cmap); + unregister_framebuffer(viafbinfo); + if (viafb_dual_fb) + unregister_framebuffer(viafbinfo1); + iounmap((void *)viaparinfo->fbmem_virt); + iounmap(viaparinfo->io_virt); + + viafb_delete_i2c_buss(viaparinfo); + + framebuffer_release(viafbinfo); + if (viafb_dual_fb) + framebuffer_release(viafbinfo1); + + viafb_remove_proc(viaparinfo->proc_entry); +} + +#ifndef MODULE +static int __init viafb_setup(char *options) +{ + char *this_opt; + DEBUG_MSG(KERN_INFO "viafb_setup!\n"); + + 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)) + strict_strtoul(this_opt + 11, 0, + (unsigned long *)&viafb_bpp1); + else if (!strncmp(this_opt, "viafb_bpp=", 10)) + strict_strtoul(this_opt + 10, 0, + (unsigned long *)&viafb_bpp); + else if (!strncmp(this_opt, "viafb_refresh1=", 15)) + strict_strtoul(this_opt + 15, 0, + (unsigned long *)&viafb_refresh1); + else if (!strncmp(this_opt, "viafb_refresh=", 14)) + strict_strtoul(this_opt + 14, 0, + (unsigned long *)&viafb_refresh); + else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21)) + strict_strtoul(this_opt + 21, 0, + (unsigned long *)&viafb_lcd_dsp_method); + else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19)) + strict_strtoul(this_opt + 19, 0, + (unsigned long *)&viafb_lcd_panel_id); + else if (!strncmp(this_opt, "viafb_accel=", 12)) + strict_strtoul(this_opt + 12, 0, + (unsigned long *)&viafb_accel); + else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14)) + strict_strtoul(this_opt + 14, 0, + (unsigned long *)&viafb_SAMM_ON); + 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)) + strict_strtoul(this_opt + 30, 0, + (unsigned long *)&viafb_display_hardware_layout); + else if (!strncmp(this_opt, "viafb_second_size=", 18)) + strict_strtoul(this_opt + 18, 0, + (unsigned long *)&viafb_second_size); + else if (!strncmp(this_opt, + "viafb_platform_epia_dvi=", 24)) + strict_strtoul(this_opt + 24, 0, + (unsigned long *)&viafb_platform_epia_dvi); + else if (!strncmp(this_opt, + "viafb_device_lcd_dualedge=", 26)) + strict_strtoul(this_opt + 26, 0, + (unsigned long *)&viafb_device_lcd_dualedge); + else if (!strncmp(this_opt, "viafb_bus_width=", 16)) + strict_strtoul(this_opt + 16, 0, + (unsigned long *)&viafb_bus_width); + else if (!strncmp(this_opt, "viafb_lcd_mode=", 15)) + strict_strtoul(this_opt + 15, 0, + (unsigned long *)&viafb_lcd_mode); + else if (!strncmp(this_opt, "viafb_video_dev=", 16)) + viafb_video_dev = kstrdup(this_opt + 16, GFP_KERNEL); + 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 + +static int __init viafb_init(void) +{ +#ifndef MODULE + char *option = NULL; + if (fb_get_options("viafb", &option)) + return -ENODEV; + viafb_setup(option); +#endif + printk(KERN_INFO + "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n", + VERSION_MAJOR, VERSION_MINOR); + return via_pci_probe(); +} + +static void __exit viafb_exit(void) +{ + DEBUG_MSG(KERN_INFO "viafb_exit!\n"); + via_pci_remove(); +} + +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, + .fb_setcmap = viafb_setcmap, +}; + +module_init(viafb_init); +module_exit(viafb_exit); + +#ifdef MODULE +module_param(viafb_memsize, int, 0); + +module_param(viafb_mode, charp, 0); +MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)"); + +module_param(viafb_mode1, charp, 0); +MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)"); + +module_param(viafb_bpp, int, 0); +MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)"); + +module_param(viafb_bpp1, int, 0); +MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)"); + +module_param(viafb_refresh, int, 0); +MODULE_PARM_DESC(viafb_refresh, + "Set CRT viafb_refresh rate (default = 60)"); + +module_param(viafb_refresh1, int, 0); +MODULE_PARM_DESC(viafb_refresh1, + "Set CRT refresh rate (default = 60)"); + +module_param(viafb_lcd_panel_id, int, 0); +MODULE_PARM_DESC(viafb_lcd_panel_id, + "Set Flat Panel type(Default=1024x768)"); + +module_param(viafb_lcd_dsp_method, int, 0); +MODULE_PARM_DESC(viafb_lcd_dsp_method, + "Set Flat Panel display scaling method.(Default=Expandsion)"); + +module_param(viafb_SAMM_ON, int, 0); +MODULE_PARM_DESC(viafb_SAMM_ON, + "Turn on/off flag of SAMM(Default=OFF)"); + +module_param(viafb_accel, int, 0); +MODULE_PARM_DESC(viafb_accel, + "Set 2D Hardware Acceleration.(Default = OFF)"); + +module_param(viafb_active_dev, charp, 0); +MODULE_PARM_DESC(viafb_active_dev, "Specify active devices."); + +module_param(viafb_display_hardware_layout, int, 0); +MODULE_PARM_DESC(viafb_display_hardware_layout, + "Display Hardware Layout (LCD Only, DVI Only...,etc)"); + +module_param(viafb_second_size, int, 0); +MODULE_PARM_DESC(viafb_second_size, + "Set secondary device memory size"); + +module_param(viafb_dual_fb, int, 0); +MODULE_PARM_DESC(viafb_dual_fb, + "Turn on/off flag of dual framebuffer devices.(Default = OFF)"); + +module_param(viafb_platform_epia_dvi, int, 0); +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, 0); +MODULE_PARM_DESC(viafb_device_lcd_dualedge, + "Turn on/off flag of dual edge panel.(Default = OFF)"); + +module_param(viafb_bus_width, int, 0); +MODULE_PARM_DESC(viafb_bus_width, + "Set bus width of panel.(Default = 12)"); + +module_param(viafb_lcd_mode, int, 0); +MODULE_PARM_DESC(viafb_lcd_mode, + "Set Flat Panel mode(Default=OPENLDI)"); + +module_param(viafb_video_dev, charp, 0); +MODULE_PARM_DESC(viafb_video_dev, "Specify video devices."); + +module_param(viafb_lcd_port, charp, 0); +MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port."); + +module_param(viafb_dvi_port, charp, 0); +MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port."); + +MODULE_LICENSE("GPL"); +#endif |