viafbdev.c 64.1 KB
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/*
 * 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>
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#include <linux/seq_file.h>
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#include <linux/stat.h>
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#define _MASTER_FILE

#include "global.h"

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";

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static int viafb_accel = 1;

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/* Added for specifying active devices.*/
char *viafb_active_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 struct fb_ops viafb_ops;


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static void viafb_update_fix(struct fb_info *info)
{
	u32 bpp = info->var.bits_per_pixel;
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	info->fix.visual =
		bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
	info->fix.line_length =
		((info->var.xres_virtual + 7) & ~7) * bpp / 8;
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}

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->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 int viafb_check_var(struct fb_var_screeninfo *var,
	struct fb_info *info)
{
	int vmode_index, htotal, vtotal;
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	struct viafb_par *ppar = info->par;
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	u32 long_refresh;

	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;

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	vmode_index = viafb_get_mode_index(var->xres, var->yres);
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	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);
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	if (info->var.accel_flags & FB_ACCELF_TEXT &&
		!ppar->shared->engine_mmio)
		info->var.accel_flags = 0;
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	return 0;
}

static int viafb_set_par(struct fb_info *info)
{
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	struct viafb_par *viapar = info->par;
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	int vmode_index;
	int vmode_index1 = 0;
	DEBUG_MSG(KERN_INFO "viafb_set_par!\n");

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	viapar->depth = fb_get_color_depth(&info->var, &info->fix);
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	viafb_update_device_setting(info->var.xres, info->var.yres,
			      info->var.bits_per_pixel, viafb_refresh, 0);

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	vmode_index = viafb_get_mode_index(info->var.xres, info->var.yres);
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	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,
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			viafb_second_yres);
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		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);

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		viafb_update_fix(info);
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		viafb_bpp = info->var.bits_per_pixel;
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		if (info->var.accel_flags & FB_ACCELF_TEXT)
			info->flags &= ~FBINFO_HWACCEL_DISABLED;
		else
			info->flags |= FBINFO_HWACCEL_DISABLED;
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	}

	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);
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	viafb_set_primary_address(offset);
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	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)
{
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	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;
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	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);
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	memset(&u, 0, sizeof(u));
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	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:
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		return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
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	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:
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		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;
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		if (viafb_SAMM_ON == 1) {
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			u.viamode.xres_sec = viafb_second_xres;
			u.viamode.yres_sec = viafb_second_yres;
			u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
			u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
			u.viamode.refresh_sec = viafb_refresh1;
			u.viamode.bpp_sec = viafb_bpp1;
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		} else {
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			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;
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		}
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		if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
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			return -EFAULT;
		break;
	case VIAFB_GET_SAMM_INFO:
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		u.viasamm.samm_status = viafb_SAMM_ON;
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		if (viafb_SAMM_ON == 1) {
			if (viafb_dual_fb) {
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				u.viasamm.size_prim = viaparinfo->fbmem_free;
				u.viasamm.size_sec = viaparinfo1->fbmem_free;
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			} else {
				if (viafb_second_size) {
533
					u.viasamm.size_prim =
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					    viaparinfo->fbmem_free -
					    viafb_second_size * 1024 * 1024;
536
					u.viasamm.size_sec =
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					    viafb_second_size * 1024 * 1024;
				} else {
539
					u.viasamm.size_prim =
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					    viaparinfo->fbmem_free >> 1;
541
					u.viasamm.size_sec =
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					    (viaparinfo->fbmem_free >> 1);
				}
			}
545 546
			u.viasamm.mem_base = viaparinfo->fbmem;
			u.viasamm.offset_sec = viafb_second_offset;
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		} else {
548
			u.viasamm.size_prim =
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			    viaparinfo->memsize - viaparinfo->fbmem_used;
550 551 552
			u.viasamm.size_sec = 0;
			u.viasamm.mem_base = viaparinfo->fbmem;
			u.viasamm.offset_sec = 0;
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		}

555
		if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
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			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:
580 581
		if (copy_from_user(&u.active_dev, (void *)argp,
			sizeof(u.active_dev)))
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			return -EFAULT;
583
		viafb_set_device(u.active_dev);
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		viafb_set_par(info);
		break;
	case VIAFB_GET_DEVICE:
587 588 589 590 591
		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;
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593 594 595
		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;
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597 598
		u.active_dev.xres = viafb_hotplug_Xres;
		u.active_dev.yres = viafb_hotplug_Yres;
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600 601
		u.active_dev.xres1 = viafb_second_xres;
		u.active_dev.yres1 = viafb_second_yres;
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603 604 605 606
		u.active_dev.bpp = viafb_bpp;
		u.active_dev.bpp1 = viafb_bpp1;
		u.active_dev.refresh = viafb_refresh;
		u.active_dev.refresh1 = viafb_refresh1;
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608 609 610
		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;
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612
		if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
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			return -EFAULT;
		break;

	case VIAFB_GET_DRIVER_VERSION:
617 618 619 620
		u.driver_version.iMajorNum = VERSION_MAJOR;
		u.driver_version.iKernelNum = VERSION_KERNEL;
		u.driver_version.iOSNum = VERSION_OS;
		u.driver_version.iMinorNum = VERSION_MINOR;
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622 623
		if (copy_to_user(argp, &u.driver_version,
			sizeof(u.driver_version)))
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			return -EFAULT;

		break;

	case VIAFB_SET_DEVICE_INFO:
629 630
		if (copy_from_user(&u.viafb_setting,
			argp, sizeof(u.viafb_setting)))
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			return -EFAULT;
632
		if (apply_device_setting(u.viafb_setting, info) < 0)
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			return -EINVAL;

		break;

	case VIAFB_SET_SECOND_MODE:
638
		if (copy_from_user(&u.sec_var, argp, sizeof(u.sec_var)))
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			return -EFAULT;
640
		apply_second_mode_setting(&u.sec_var);
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		break;

	case VIAFB_GET_DEVICE_INFO:

645
		retrieve_device_setting(&u.viafb_setting);
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647 648
		if (copy_to_user(argp, &u.viafb_setting,
				 sizeof(u.viafb_setting)))
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			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_SYNC_SURFACE:
		DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
		break;
	case VIAFB_GET_DRIVER_CAPS:
		break;

	case VIAFB_GET_PANEL_MAX_SIZE:
716 717
		if (copy_from_user(&u.panel_pos_size_para, argp,
				   sizeof(u.panel_pos_size_para)))
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			return -EFAULT;
719 720 721
		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)))
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			return -EFAULT;
		break;
	case VIAFB_GET_PANEL_MAX_POSITION:
725 726
		if (copy_from_user(&u.panel_pos_size_para, argp,
				   sizeof(u.panel_pos_size_para)))
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			return -EFAULT;
728 729 730
		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)))
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			return -EFAULT;
		break;

	case VIAFB_GET_PANEL_POSITION:
735 736
		if (copy_from_user(&u.panel_pos_size_para, argp,
				   sizeof(u.panel_pos_size_para)))
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			return -EFAULT;
738 739 740
		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)))
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			return -EFAULT;
		break;
	case VIAFB_GET_PANEL_SIZE:
744 745
		if (copy_from_user(&u.panel_pos_size_para, argp,
				   sizeof(u.panel_pos_size_para)))
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			return -EFAULT;
747 748 749
		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)))
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			return -EFAULT;
		break;

	case VIAFB_SET_PANEL_POSITION:
754 755
		if (copy_from_user(&u.panel_pos_size_para, argp,
				   sizeof(u.panel_pos_size_para)))
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			return -EFAULT;
		break;
	case VIAFB_SET_PANEL_SIZE:
759 760
		if (copy_from_user(&u.panel_pos_size_para, argp,
				   sizeof(u.panel_pos_size_para)))
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			return -EFAULT;
		break;

	default:
		return -EINVAL;
	}

	return 0;
}

static void viafb_fillrect(struct fb_info *info,
	const struct fb_fillrect *rect)
{
774
	struct viafb_par *viapar = info->par;
775
	struct viafb_shared *shared = viapar->shared;
776 777
	u32 fg_color;
	u8 rop;
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779
	if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
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		cfb_fillrect(info, rect);
		return;
	}
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	if (!rect->width || !rect->height)
		return;

787 788 789 790 791 792
	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)
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		rop = 0x5A;
794
	else
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		rop = 0xF0;

797
	DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n");
798
	if (shared->hw_bitblt(shared->engine_mmio, VIA_BITBLT_FILL,
799 800 801 802
		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);
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}

static void viafb_copyarea(struct fb_info *info,
	const struct fb_copyarea *area)
{
808
	struct viafb_par *viapar = info->par;
809
	struct viafb_shared *shared = viapar->shared;
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811
	if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
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		cfb_copyarea(info, area);
		return;
	}
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	if (!area->width || !area->height)
		return;

819
	DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n");
820
	if (shared->hw_bitblt(shared->engine_mmio, VIA_BITBLT_COLOR,
821 822 823 824 825
		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);
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}

static void viafb_imageblit(struct fb_info *info,
	const struct fb_image *image)
{
831
	struct viafb_par *viapar = info->par;
832
	struct viafb_shared *shared = viapar->shared;
833 834
	u32 fg_color = 0, bg_color = 0;
	u8 op;
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836
	if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt ||
837
		(image->depth != 1 && image->depth != viapar->depth)) {
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		cfb_imageblit(info, image);
		return;
	}
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842 843 844 845 846 847 848 849 850 851 852 853 854
	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;
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856
	DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n");
857
	if (shared->hw_bitblt(shared->engine_mmio, op,
858 859 860 861
		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);
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}

static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
{
866
	struct viafb_par *viapar = info->par;
867
	void __iomem *engine = viapar->shared->engine_mmio;
868 869 870
	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;
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872
	if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo)
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		return -ENODEV;

875
	if (chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2)
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		return -ENODEV;

	viafb_show_hw_cursor(info, HW_Cursor_OFF);

	if (cursor->set & FB_CUR_SETHOT) {
881
		temp = (cursor->hot.x << 16) + cursor->hot.y;
882
		writel(temp, engine + VIA_REG_CURSOR_ORG);
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	}

	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);
890
		writel(temp, engine + VIA_REG_CURSOR_POS);
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	}

893 894 895 896 897 898 899 900 901
	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;
	}
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903
	if (cursor->set & FB_CUR_SETSIZE) {
904
		temp = readl(engine + VIA_REG_CURSOR_MODE);
905
		if (cur_size == 32)
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			temp |= 0x2;
907 908
		else
			temp &= ~0x2;
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910
		writel(temp, engine + VIA_REG_CURSOR_MODE);
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	}

	if (cursor->set & FB_CUR_SETCMAP) {
914 915 916
		fg_color = cursor->image.fg_color;
		bg_color = cursor->image.bg_color;
		if (chip_name == UNICHROME_CX700 ||
917 918
			chip_name == UNICHROME_VX800 ||
			chip_name == UNICHROME_VX855) {
919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935
			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);
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		}

938 939
		writel(bg_color, engine + VIA_REG_CURSOR_BG);
		writel(fg_color, engine + VIA_REG_CURSOR_FG);
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	}

	if (cursor->set & FB_CUR_SETSHAPE) {
943
		struct {
944 945
			u8 data[CURSOR_SIZE];
			u32 bak[CURSOR_SIZE / 4];
946
		} *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
947 948
		int size = ((cursor->image.width + 7) >> 3) *
			cursor->image.height;
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950 951
		if (!cr_data)
			return -ENOMEM;
952

953 954
		if (cur_size == 32) {
			for (i = 0; i < (CURSOR_SIZE / 4); i++) {
955 956
				cr_data->bak[i] = 0x0;
				cr_data->bak[i + 1] = 0xFFFFFFFF;
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				i += 1;
			}
959 960
		} else {
			for (i = 0; i < (CURSOR_SIZE / 4); i++) {
961 962 963 964
				cr_data->bak[i] = 0x0;
				cr_data->bak[i + 1] = 0x0;
				cr_data->bak[i + 2] = 0xFFFFFFFF;
				cr_data->bak[i + 3] = 0xFFFFFFFF;
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				i += 3;
			}
		}

969
		switch (cursor->rop) {
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		case ROP_XOR:
			for (i = 0; i < size; i++)
972
				cr_data->data[i] = cursor->mask[i];
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			break;
		case ROP_COPY:

			for (i = 0; i < size; i++)
977
				cr_data->data[i] = cursor->mask[i];
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			break;
		default:
			break;
		}

983
		if (cur_size == 32) {
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			for (i = 0; i < size; i++) {
985 986
				cr_data->bak[j] = (u32) cr_data->data[i];
				cr_data->bak[j + 1] = ~cr_data->bak[j];
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				j += 2;
			}
989
		} else {
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			for (i = 0; i < size; i++) {
991 992 993 994
				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];
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				j += 4;
			}
		}

999 1000
		memcpy_toio(viafbinfo->screen_base + viapar->shared->
			cursor_vram_addr, cr_data->bak, CURSOR_SIZE);
1001
		kfree(cr_data);
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	}

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	if (cursor->enable)
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		viafb_show_hw_cursor(info, HW_Cursor_ON);

	return 0;
}

static int viafb_sync(struct fb_info *info)
{
1012 1013
	if (!(info->flags & FBINFO_HWACCEL_DISABLED))
		viafb_wait_engine_idle(info);
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	return 0;
}

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int viafb_get_mode_index(int hres, int vres)
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{
	u32 i;
	DEBUG_MSG(KERN_INFO "viafb_get_mode_index!\n");

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	for (i = 0; i < NUM_TOTAL_MODETABLE; i++)
		if (CLE266Modes[i].mode_array &&
			CLE266Modes[i].crtc[0].crtc.hor_addr == hres &&
			CLE266Modes[i].crtc[0].crtc.ver_addr == vres)
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			break;

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	if (i == NUM_TOTAL_MODETABLE)
		return VIA_RES_INVALID;

	return CLE266Modes[i].ModeIndex;
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}

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;

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	viafb_set_primary_address(0);
	viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
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	viafb_set_iga_path();
}

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 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;

1282 1283
			viafb_set_primary_address(0);
			viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
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			viafb_set_iga_path();
		}
		need_set_mode = 1;
	}

	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;

	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;
	}
}

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
 */
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static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
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{
	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;
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	seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
	return 0;
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}
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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)
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{
	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 *)&reg_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;
}
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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)
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{
	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;
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Alexey Dobriyan 已提交
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	seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
	return 0;
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}
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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)
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{
	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 *)&reg_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;
}

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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)
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{
	u8 dfp_high = 0;
	dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
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	seq_printf(m, "%x\n", dfp_high);
	return 0;
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}
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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)
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{
	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 *)&reg_val);
	viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
	return count;
}
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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)
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{
	u8 dfp_low = 0;
	dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
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Alexey Dobriyan 已提交
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	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);
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}
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static ssize_t viafb_dfpl_proc_write(struct file *file,
	const char __user *buffer, size_t count, loff_t *pos)
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{
	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 *)&reg_val);
	viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
	return count;
}
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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)
J
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{
	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;
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Alexey Dobriyan 已提交
1672
		seq_printf(m, "%x %x\n", vt1636_08, vt1636_09);
J
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		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;
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Alexey Dobriyan 已提交
1685
		seq_printf(m, " %x %x\n", vt1636_08, vt1636_09);
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1686 1687 1688 1689
		break;
	default:
		break;
	}
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Alexey Dobriyan 已提交
1690
	return 0;
J
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1691
}
A
Alexey Dobriyan 已提交
1692 1693 1694 1695 1696 1697 1698 1699

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)
J
Joseph Chan 已提交
1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787
{
	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 *)&reg_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 *)&reg_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;
}

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Alexey Dobriyan 已提交
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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,
};

1797
static void viafb_init_proc(struct proc_dir_entry **viafb_entry)
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Joseph Chan 已提交
1798
{
1799
	*viafb_entry = proc_mkdir("viafb", NULL);
1800
	if (*viafb_entry) {
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Alexey Dobriyan 已提交
1801 1802 1803 1804
		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);
J
Joseph Chan 已提交
1805 1806 1807
		if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info.
			lvds_chip_name || VT1636_LVDS ==
		    viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
A
Alexey Dobriyan 已提交
1808
			proc_create("vt1636", 0, *viafb_entry, &viafb_vt1636_proc_fops);
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1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821
		}

	}
}
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);
1822
	remove_proc_entry("viafb", NULL);
J
Joseph Chan 已提交
1823 1824
}

1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844
static void parse_mode(const char *str, u32 *xres, u32 *yres)
{
	char *ptr;

	*xres = simple_strtoul(str, &ptr, 10);
	if (ptr[0] != 'x')
		goto out_default;

	*yres = simple_strtoul(&ptr[1], &ptr, 10);
	if (ptr[0])
		goto out_default;

	return;

out_default:
	printk(KERN_WARNING "viafb received invalid mode string: %s\n", str);
	*xres = 640;
	*yres = 480;
}

1845 1846
static int __devinit via_pci_probe(struct pci_dev *pdev,
				   const struct pci_device_id *ent)
J
Joseph Chan 已提交
1847
{
1848
	u32 default_xres, default_yres;
J
Joseph Chan 已提交
1849
	int vmode_index;
1850
	u32 viafb_par_length;
J
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1851 1852 1853 1854 1855 1856 1857 1858

	DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");

	viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);

	/* Allocate fb_info and ***_par here, also including some other needed
	 * variables
	*/
1859
	viafbinfo = framebuffer_alloc(viafb_par_length +
1860 1861
		ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8),
		&pdev->dev);
J
Joseph Chan 已提交
1862 1863 1864 1865 1866 1867
	if (!viafbinfo) {
		printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
		return -ENODEV;
	}

	viaparinfo = (struct viafb_par *)viafbinfo->par;
1868
	viaparinfo->shared = viafbinfo->par + viafb_par_length;
1869
	viaparinfo->vram_addr = 0;
1870 1871 1872 1873 1874 1875
	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->crt_setting_info = &viaparinfo->shared->crt_setting_info;
	viaparinfo->chip_info = &viaparinfo->shared->chip_info;
J
Joseph Chan 已提交
1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889

	if (viafb_dual_fb)
		viafb_SAMM_ON = 1;
	parse_active_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);

1890 1891 1892
	viafb_init_chip_info(pdev, ent);
	viaparinfo->fbmem = pci_resource_start(pdev, 0);
	viaparinfo->memsize = viafb_get_fb_size_from_pci();
J
Joseph Chan 已提交
1893 1894
	viaparinfo->fbmem_free = viaparinfo->memsize;
	viaparinfo->fbmem_used = 0;
1895
	viafbinfo->screen_base = ioremap_nocache(viaparinfo->fbmem,
J
Joseph Chan 已提交
1896
		viaparinfo->memsize);
1897
	if (!viafbinfo->screen_base) {
J
Joseph Chan 已提交
1898
		printk(KERN_INFO "ioremap failed\n");
1899
		return -ENOMEM;
J
Joseph Chan 已提交
1900 1901
	}

1902 1903
	viafbinfo->fix.mmio_start = pci_resource_start(pdev, 1);
	viafbinfo->fix.mmio_len = pci_resource_len(pdev, 1);
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Joseph Chan 已提交
1904 1905 1906 1907 1908
	viafbinfo->node = 0;
	viafbinfo->fbops = &viafb_ops;
	viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;

	viafbinfo->pseudo_palette = pseudo_pal;
1909 1910 1911 1912 1913 1914 1915
	if (viafb_accel && !viafb_init_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;
J
Joseph Chan 已提交
1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926
	}

	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;
	}

1927
	parse_mode(viafb_mode, &default_xres, &default_yres);
F
Florian Tobias Schandinat 已提交
1928
	vmode_index = viafb_get_mode_index(default_xres, default_yres);
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1929 1930 1931
	DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index);

	if (viafb_SAMM_ON == 1) {
1932 1933 1934
		parse_mode(viafb_mode1, &viafb_second_xres,
			&viafb_second_yres);

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1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985
		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;

	if (viafb_dual_fb) {
1986
		viafbinfo1 = framebuffer_alloc(viafb_par_length, &pdev->dev);
J
Joseph Chan 已提交
1987 1988 1989 1990 1991 1992 1993 1994
		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);
1995
		viaparinfo1->vram_addr = viafb_second_offset;
J
Joseph Chan 已提交
1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006
		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;

2007 2008
		viaparinfo->iga_path = IGA1;
		viaparinfo1->iga_path = IGA2;
J
Joseph Chan 已提交
2009
		memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
2010
		viafbinfo1->par = viaparinfo1;
J
Joseph Chan 已提交
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033
		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_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;
2034
		viafb_update_fix(viafbinfo1);
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		viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var,
			&viafbinfo1->fix);
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	}

	viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
	viafb_check_var(&default_var, viafbinfo);
	viafbinfo->var = default_var;
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	viafb_update_fix(viafbinfo);
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	viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
		&viafbinfo->fix);
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	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);

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	viafb_init_proc(&viaparinfo->shared->proc_entry);
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	viafb_init_dac(IGA2);
	return 0;
}

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static void __devexit via_pci_remove(struct pci_dev *pdev)
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{
	DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
	fb_dealloc_cmap(&viafbinfo->cmap);
	unregister_framebuffer(viafbinfo);
	if (viafb_dual_fb)
		unregister_framebuffer(viafbinfo1);
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	iounmap((void *)viafbinfo->screen_base);
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	iounmap(viaparinfo->shared->engine_mmio);
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	viafb_delete_i2c_buss(viaparinfo);

	framebuffer_release(viafbinfo);
	if (viafb_dual_fb)
		framebuffer_release(viafbinfo1);

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	viafb_remove_proc(viaparinfo->shared->proc_entry);
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}

#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_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

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static struct pci_device_id viafb_pci_table[] __devinitdata = {
	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CLE266_DID),
	  .driver_data = UNICHROME_CLE266 },
	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_PM800_DID),
	  .driver_data = UNICHROME_PM800 },
	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K400_DID),
	  .driver_data = UNICHROME_K400 },
	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K800_DID),
	  .driver_data = UNICHROME_K800 },
	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_P4M890_DID),
	  .driver_data = UNICHROME_CN700 },
	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K8M890_DID),
	  .driver_data = UNICHROME_K8M890 },
	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CX700_DID),
	  .driver_data = UNICHROME_CX700 },
	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_P4M900_DID),
	  .driver_data = UNICHROME_P4M900 },
	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CN750_DID),
	  .driver_data = UNICHROME_CN750 },
	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_VX800_DID),
	  .driver_data = UNICHROME_VX800 },
	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_VX855_DID),
	  .driver_data = UNICHROME_VX855 },
	{ }
};
MODULE_DEVICE_TABLE(pci, viafb_pci_table);

static struct pci_driver viafb_driver = {
	.name		= "viafb",
	.id_table	= viafb_pci_table,
	.probe		= via_pci_probe,
	.remove		= __devexit_p(via_pci_remove),
};

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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);
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	return pci_register_driver(&viafb_driver);
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}

static void __exit viafb_exit(void)
{
	DEBUG_MSG(KERN_INFO "viafb_exit!\n");
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	pci_unregister_driver(&viafb_driver);
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}

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
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module_param(viafb_memsize, int, S_IRUSR);
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module_param(viafb_mode, charp, S_IRUSR);
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MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");

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module_param(viafb_mode1, charp, S_IRUSR);
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MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");

2247
module_param(viafb_bpp, int, S_IRUSR);
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MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");

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module_param(viafb_bpp1, int, S_IRUSR);
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MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");

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module_param(viafb_refresh, int, S_IRUSR);
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MODULE_PARM_DESC(viafb_refresh,
	"Set CRT viafb_refresh rate (default = 60)");

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module_param(viafb_refresh1, int, S_IRUSR);
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MODULE_PARM_DESC(viafb_refresh1,
	"Set CRT refresh rate (default = 60)");

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module_param(viafb_lcd_panel_id, int, S_IRUSR);
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MODULE_PARM_DESC(viafb_lcd_panel_id,
	"Set Flat Panel type(Default=1024x768)");

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module_param(viafb_lcd_dsp_method, int, S_IRUSR);
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MODULE_PARM_DESC(viafb_lcd_dsp_method,
	"Set Flat Panel display scaling method.(Default=Expandsion)");

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module_param(viafb_SAMM_ON, int, S_IRUSR);
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MODULE_PARM_DESC(viafb_SAMM_ON,
	"Turn on/off flag of SAMM(Default=OFF)");

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module_param(viafb_accel, int, S_IRUSR);
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MODULE_PARM_DESC(viafb_accel,
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	"Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)");
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module_param(viafb_active_dev, charp, S_IRUSR);
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MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");

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module_param(viafb_display_hardware_layout, int, S_IRUSR);
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MODULE_PARM_DESC(viafb_display_hardware_layout,
	"Display Hardware Layout (LCD Only, DVI Only...,etc)");

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module_param(viafb_second_size, int, S_IRUSR);
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MODULE_PARM_DESC(viafb_second_size,
	"Set secondary device memory size");

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module_param(viafb_dual_fb, int, S_IRUSR);
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MODULE_PARM_DESC(viafb_dual_fb,
	"Turn on/off flag of dual framebuffer devices.(Default = OFF)");

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module_param(viafb_platform_epia_dvi, int, S_IRUSR);
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MODULE_PARM_DESC(viafb_platform_epia_dvi,
	"Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");

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module_param(viafb_device_lcd_dualedge, int, S_IRUSR);
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MODULE_PARM_DESC(viafb_device_lcd_dualedge,
	"Turn on/off flag of dual edge panel.(Default = OFF)");

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module_param(viafb_bus_width, int, S_IRUSR);
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MODULE_PARM_DESC(viafb_bus_width,
	"Set bus width of panel.(Default = 12)");

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module_param(viafb_lcd_mode, int, S_IRUSR);
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MODULE_PARM_DESC(viafb_lcd_mode,
	"Set Flat Panel mode(Default=OPENLDI)");

2308
module_param(viafb_lcd_port, charp, S_IRUSR);
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MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");

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module_param(viafb_dvi_port, charp, S_IRUSR);
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MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");

MODULE_LICENSE("GPL");
#endif