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path: root/drivers/video/i810/i810_main.c
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Diffstat (limited to 'drivers/video/i810/i810_main.c')
-rw-r--r--drivers/video/i810/i810_main.c223
1 files changed, 165 insertions, 58 deletions
diff --git a/drivers/video/i810/i810_main.c b/drivers/video/i810/i810_main.c
index 6db183462b9..0dbc9ddb676 100644
--- a/drivers/video/i810/i810_main.c
+++ b/drivers/video/i810/i810_main.c
@@ -92,20 +92,21 @@ static struct pci_driver i810fb_driver = {
.resume = i810fb_resume,
};
-static int vram __initdata = 4;
-static int bpp __initdata = 8;
-static int mtrr __initdata = 0;
-static int accel __initdata = 0;
-static int hsync1 __initdata = 0;
-static int hsync2 __initdata = 0;
-static int vsync1 __initdata = 0;
-static int vsync2 __initdata = 0;
-static int xres __initdata = 640;
-static int yres __initdata = 480;
-static int vyres __initdata = 0;
-static int sync __initdata = 0;
-static int ext_vga __initdata = 0;
-static int dcolor __initdata = 0;
+static char *mode_option __devinitdata = NULL;
+static int vram __devinitdata = 4;
+static int bpp __devinitdata = 8;
+static int mtrr __devinitdata;
+static int accel __devinitdata;
+static int hsync1 __devinitdata;
+static int hsync2 __devinitdata;
+static int vsync1 __devinitdata;
+static int vsync2 __devinitdata;
+static int xres __devinitdata;
+static int yres __devinitdata;
+static int vyres __devinitdata;
+static int sync __devinitdata;
+static int extvga __devinitdata;
+static int dcolor __devinitdata;
/*------------------------------------------------------------*/
@@ -310,6 +311,8 @@ static void i810_hires(u8 __iomem *mmio)
val = i810_readb(CR_DATA_CGA, mmio);
i810_writeb(CR_INDEX_CGA, mmio, CR80);
i810_writeb(CR_DATA_CGA, mmio, val | 1);
+ /* Stop LCD displays from flickering */
+ i810_writel(MEM_MODE, mmio, i810_readl(MEM_MODE, mmio) | 4);
}
/**
@@ -947,31 +950,24 @@ static int i810_check_params(struct fb_var_screeninfo *var,
struct fb_info *info)
{
struct i810fb_par *par = (struct i810fb_par *) info->par;
- int line_length, vidmem;
- u32 xres, yres, vxres, vyres;
-
- xres = var->xres;
- yres = var->yres;
- vxres = var->xres_virtual;
- vyres = var->yres_virtual;
-
+ int line_length, vidmem, mode_valid = 0, retval = 0;
+ u32 vyres = var->yres_virtual, vxres = var->xres_virtual;
/*
* Memory limit
*/
- line_length = get_line_length(par, vxres,
- var->bits_per_pixel);
-
+ line_length = get_line_length(par, vxres, var->bits_per_pixel);
vidmem = line_length*vyres;
+
if (vidmem > par->fb.size) {
vyres = par->fb.size/line_length;
- if (vyres < yres) {
+ if (vyres < var->yres) {
vyres = yres;
vxres = par->fb.size/vyres;
vxres /= var->bits_per_pixel >> 3;
line_length = get_line_length(par, vxres,
var->bits_per_pixel);
vidmem = line_length * yres;
- if (vxres < xres) {
+ if (vxres < var->xres) {
printk("i810fb: required video memory, "
"%d bytes, for %dx%d-%d (virtual) "
"is out of range\n",
@@ -981,6 +977,10 @@ static int i810_check_params(struct fb_var_screeninfo *var,
}
}
}
+
+ var->xres_virtual = vxres;
+ var->yres_virtual = vyres;
+
/*
* Monitor limit
*/
@@ -996,26 +996,41 @@ static int i810_check_params(struct fb_var_screeninfo *var,
info->monspecs.dclkmax = 204000000;
break;
}
+
info->monspecs.dclkmin = 15000000;
- if (fb_validate_mode(var, info)) {
+ if (!fb_validate_mode(var, info))
+ mode_valid = 1;
+
+#ifdef CONFIG_FB_I810_I2C
+ if (!mode_valid && info->monspecs.gtf &&
+ !fb_get_mode(FB_MAXTIMINGS, 0, var, info))
+ mode_valid = 1;
+
+ if (!mode_valid && info->monspecs.modedb_len) {
+ struct fb_videomode *mode;
+
+ mode = fb_find_best_mode(var, &info->modelist);
+ if (mode) {
+ fb_videomode_to_var(var, mode);
+ mode_valid = 1;
+ }
+ }
+#endif
+ if (!mode_valid && info->monspecs.modedb_len == 0) {
if (fb_get_mode(FB_MAXTIMINGS, 0, var, info)) {
int default_sync = (info->monspecs.hfmin-HFMIN)
- |(info->monspecs.hfmax-HFMAX)
- |(info->monspecs.vfmin-VFMIN)
- |(info->monspecs.vfmax-VFMAX);
+ |(info->monspecs.hfmax-HFMAX)
+ |(info->monspecs.vfmin-VFMIN)
+ |(info->monspecs.vfmax-VFMAX);
printk("i810fb: invalid video mode%s\n",
- default_sync ? "" :
- ". Specifying vsyncN/hsyncN parameters may help");
- return -EINVAL;
+ default_sync ? "" : ". Specifying "
+ "vsyncN/hsyncN parameters may help");
+ retval = -EINVAL;
}
}
-
- var->xres = xres;
- var->yres = yres;
- var->xres_virtual = vxres;
- var->yres_virtual = vyres;
- return 0;
+
+ return retval;
}
/**
@@ -1375,7 +1390,6 @@ static int i810fb_set_par(struct fb_info *info)
decode_var(&info->var, par);
i810_load_regs(par);
i810_init_cursor(par);
-
encode_fix(&info->fix, info);
if (info->var.accel_flags && !(par->dev_flags & LOCKUP)) {
@@ -1418,9 +1432,8 @@ static int i810fb_cursor(struct fb_info *info, struct fb_cursor *cursor)
struct i810fb_par *par = (struct i810fb_par *)info->par;
u8 __iomem *mmio = par->mmio_start_virtual;
- if (!(par->dev_flags & USE_HWCUR) || !info->var.accel_flags ||
- par->dev_flags & LOCKUP)
- return soft_cursor(info, cursor);
+ if (!par->dev_flags & LOCKUP)
+ return -ENXIO;
if (cursor->image.width > 64 || cursor->image.height > 64)
return -ENXIO;
@@ -1712,12 +1725,21 @@ static void __devinit i810_init_defaults(struct i810fb_par *par,
if (bpp < 8)
bpp = 8;
+ par->i810fb_ops = i810fb_ops;
+
+ if (xres)
+ info->var.xres = xres;
+ else
+ info->var.xres = 640;
+
+ if (yres)
+ info->var.yres = yres;
+ else
+ info->var.yres = 480;
+
if (!vyres)
- vyres = (vram << 20)/(xres*bpp >> 3);
+ vyres = (vram << 20)/(info->var.xres*bpp >> 3);
- par->i810fb_ops = i810fb_ops;
- info->var.xres = xres;
- info->var.yres = yres;
info->var.yres_virtual = vyres;
info->var.bits_per_pixel = bpp;
@@ -1744,7 +1766,7 @@ static void __devinit i810_init_device(struct i810fb_par *par)
i810_init_cursor(par);
/* mvo: enable external vga-connector (for laptops) */
- if (ext_vga) {
+ if (extvga) {
i810_writel(HVSYNC, mmio, 0);
i810_writel(PWR_CLKC, mmio, 3);
}
@@ -1814,8 +1836,80 @@ i810_allocate_pci_resource(struct i810fb_par *par,
return 0;
}
+static void __devinit i810fb_find_init_mode(struct fb_info *info)
+{
+ struct fb_videomode mode;
+ struct fb_var_screeninfo var;
+ struct fb_monspecs *specs = &info->monspecs;
+ int found = 0;
+#ifdef CONFIG_FB_I810_I2C
+ int i;
+ int err;
+ struct i810fb_par *par = info->par;
+#endif
+
+ INIT_LIST_HEAD(&info->modelist);
+ memset(&mode, 0, sizeof(struct fb_videomode));
+ var = info->var;
+#ifdef CONFIG_FB_I810_I2C
+ i810_create_i2c_busses(par);
+
+ for (i = 0; i < 3; i++) {
+ err = i810_probe_i2c_connector(info, &par->edid, i+1);
+ if (!err)
+ break;
+ }
+
+ if (!err)
+ printk("i810fb_init_pci: DDC probe successful\n");
+
+ fb_edid_to_monspecs(par->edid, specs);
+
+ if (specs->modedb == NULL)
+ printk("i810fb_init_pci: Unable to get Mode Database\n");
+
+ fb_videomode_to_modelist(specs->modedb, specs->modedb_len,
+ &info->modelist);
+ if (specs->modedb != NULL) {
+ if (xres && yres) {
+ struct fb_videomode *m;
+
+ if ((m = fb_find_best_mode(&var, &info->modelist))) {
+ mode = *m;
+ found = 1;
+ }
+ }
+
+ if (!found && specs->misc & FB_MISC_1ST_DETAIL) {
+ for (i = 0; i < specs->modedb_len; i++) {
+ if (specs->modedb[i].flag & FB_MODE_IS_FIRST) {
+ mode = specs->modedb[i];
+ found = 1;
+ break;
+ }
+ }
+ }
+
+ if (!found) {
+ mode = specs->modedb[0];
+ found = 1;
+ }
+
+ fb_videomode_to_var(&var, &mode);
+ }
+#endif
+ if (mode_option)
+ fb_find_mode(&var, info, mode_option, specs->modedb,
+ specs->modedb_len, (found) ? &mode : NULL,
+ info->var.bits_per_pixel);
+
+ info->var = var;
+ fb_destroy_modedb(specs->modedb);
+ specs->modedb = NULL;
+}
+
#ifndef MODULE
-static int __init i810fb_setup(char *options)
+static int __devinit i810fb_setup(char *options)
{
char *this_opt, *suffix = NULL;
@@ -1827,8 +1921,8 @@ static int __init i810fb_setup(char *options)
mtrr = 1;
else if (!strncmp(this_opt, "accel", 5))
accel = 1;
- else if (!strncmp(this_opt, "ext_vga", 7))
- ext_vga = 1;
+ else if (!strncmp(this_opt, "extvga", 6))
+ extvga = 1;
else if (!strncmp(this_opt, "sync", 4))
sync = 1;
else if (!strncmp(this_opt, "vram:", 5))
@@ -1857,6 +1951,8 @@ static int __init i810fb_setup(char *options)
vsync2 = simple_strtoul(this_opt+7, NULL, 0);
else if (!strncmp(this_opt, "dcolor", 6))
dcolor = 1;
+ else
+ mode_option = this_opt;
}
return 0;
}
@@ -1867,6 +1963,7 @@ static int __devinit i810fb_init_pci (struct pci_dev *dev,
{
struct fb_info *info;
struct i810fb_par *par = NULL;
+ struct fb_videomode mode;
int i, err = -1, vfreq, hfreq, pixclock;
i = 0;
@@ -1875,7 +1972,7 @@ static int __devinit i810fb_init_pci (struct pci_dev *dev,
if (!info)
return -ENOMEM;
- par = (struct i810fb_par *) info->par;
+ par = info->par;
par->dev = dev;
if (!(info->pixmap.addr = kmalloc(8*1024, GFP_KERNEL))) {
@@ -1906,15 +2003,20 @@ static int __devinit i810fb_init_pci (struct pci_dev *dev,
info->fbops = &par->i810fb_ops;
info->pseudo_palette = par->pseudo_palette;
fb_alloc_cmap(&info->cmap, 256, 0);
+ i810fb_find_init_mode(info);
if ((err = info->fbops->fb_check_var(&info->var, info))) {
i810fb_release_resource(info, par);
return err;
}
+
+ fb_var_to_videomode(&mode, &info->var);
+ fb_add_videomode(&mode, &info->modelist);
encode_fix(&info->fix, info);
i810fb_init_ringbuffer(info);
err = register_framebuffer(info);
+
if (err < 0) {
i810fb_release_resource(info, par);
printk("i810fb_init: cannot register framebuffer device\n");
@@ -1953,6 +2055,8 @@ static void i810fb_release_resource(struct fb_info *info,
struct gtt_data *gtt = &par->i810_gtt;
unset_mtrr(par);
+ i810_delete_i2c_busses(par);
+
if (par->i810_gtt.i810_cursor_memory)
agp_free_memory(gtt->i810_cursor_memory);
if (par->i810_gtt.i810_fb_memory)
@@ -1962,7 +2066,8 @@ static void i810fb_release_resource(struct fb_info *info,
iounmap(par->mmio_start_virtual);
if (par->aperture.virtual)
iounmap(par->aperture.virtual);
-
+ if (par->edid)
+ kfree(par->edid);
if (par->res_flags & FRAMEBUFFER_REQ)
release_mem_region(par->aperture.physical,
par->aperture.size);
@@ -1988,7 +2093,7 @@ static void __exit i810fb_remove_pci(struct pci_dev *dev)
}
#ifndef MODULE
-static int __init i810fb_init(void)
+static int __devinit i810fb_init(void)
{
char *option = NULL;
@@ -2006,7 +2111,7 @@ static int __init i810fb_init(void)
#ifdef MODULE
-static int __init i810fb_init(void)
+static int __devinit i810fb_init(void)
{
hsync1 *= 1000;
hsync2 *= 1000;
@@ -2046,14 +2151,16 @@ module_param(accel, bool, 0);
MODULE_PARM_DESC(accel, "Use Acceleration (BLIT) engine (default = 0)");
module_param(mtrr, bool, 0);
MODULE_PARM_DESC(mtrr, "Use MTRR (default = 0)");
-module_param(ext_vga, bool, 0);
-MODULE_PARM_DESC(ext_vga, "Enable external VGA connector (default = 0)");
+module_param(extvga, bool, 0);
+MODULE_PARM_DESC(extvga, "Enable external VGA connector (default = 0)");
module_param(sync, bool, 0);
MODULE_PARM_DESC(sync, "wait for accel engine to finish drawing"
" (default = 0)");
module_param(dcolor, bool, 0);
MODULE_PARM_DESC(dcolor, "use DirectColor visuals"
" (default = 0 = TrueColor)");
+module_param(mode_option, charp, 0);
+MODULE_PARM_DESC(mode_option, "Specify initial video mode");
MODULE_AUTHOR("Tony A. Daplas");
MODULE_DESCRIPTION("Framebuffer device for the Intel 810/815 and"