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path: root/drivers/video/tgafb.c
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Diffstat (limited to 'drivers/video/tgafb.c')
-rw-r--r--drivers/video/tgafb.c185
1 files changed, 96 insertions, 89 deletions
diff --git a/drivers/video/tgafb.c b/drivers/video/tgafb.c
index 4b88fab83b7..b604859b4dd 100644
--- a/drivers/video/tgafb.c
+++ b/drivers/video/tgafb.c
@@ -43,8 +43,9 @@ static void tgafb_imageblit(struct fb_info *, const struct fb_image *);
static void tgafb_fillrect(struct fb_info *, const struct fb_fillrect *);
static void tgafb_copyarea(struct fb_info *, const struct fb_copyarea *);
-static int tgafb_pci_register(struct pci_dev *, const struct pci_device_id *);
-static void tgafb_pci_unregister(struct pci_dev *);
+static int __devinit tgafb_pci_register(struct pci_dev *,
+ const struct pci_device_id *);
+static void __devexit tgafb_pci_unregister(struct pci_dev *);
static const char *mode_option = "640x480@60";
@@ -70,9 +71,10 @@ static struct fb_ops tgafb_ops = {
*/
static struct pci_device_id const tgafb_pci_table[] = {
- { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TGA, PCI_ANY_ID, PCI_ANY_ID,
- 0, 0, 0 }
+ { PCI_DEVICE(PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TGA) },
+ { }
};
+MODULE_DEVICE_TABLE(pci, tgafb_pci_table);
static struct pci_driver tgafb_driver = {
.name = "tgafb",
@@ -99,6 +101,12 @@ tgafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
if (var->bits_per_pixel != 32)
return -EINVAL;
}
+ var->red.length = var->green.length = var->blue.length = 8;
+ if (var->bits_per_pixel == 32) {
+ var->red.offset = 16;
+ var->green.offset = 8;
+ var->blue.offset = 0;
+ }
if (var->xres_virtual != var->xres || var->yres_virtual != var->yres)
return -EINVAL;
@@ -137,10 +145,10 @@ tgafb_set_par(struct fb_info *info)
0x00000303
};
static unsigned int const mode_presets[4] = {
- 0x00002000,
- 0x00002300,
+ 0x00000000,
+ 0x00000300,
0xffffffff,
- 0x00002300
+ 0x00000300
};
static unsigned int const base_addr_presets[4] = {
0x00000000,
@@ -152,7 +160,7 @@ tgafb_set_par(struct fb_info *info)
struct tga_par *par = (struct tga_par *) info->par;
u32 htimings, vtimings, pll_freq;
u8 tga_type;
- int i, j;
+ int i;
/* Encode video timings. */
htimings = (((info->var.xres/4) & TGA_HORIZ_ACT_LSB)
@@ -190,7 +198,9 @@ tgafb_set_par(struct fb_info *info)
while (TGA_READ_REG(par, TGA_CMD_STAT_REG) & 1) /* wait for not busy */
continue;
mb();
- TGA_WRITE_REG(par, deep_presets[tga_type], TGA_DEEP_REG);
+ TGA_WRITE_REG(par, deep_presets[tga_type] |
+ (par->sync_on_green ? 0x0 : 0x00010000),
+ TGA_DEEP_REG);
while (TGA_READ_REG(par, TGA_CMD_STAT_REG) & 1) /* wait for not busy */
continue;
mb();
@@ -227,8 +237,10 @@ tgafb_set_par(struct fb_info *info)
BT485_WRITE(par, 0x00, BT485_ADDR_PAL_WRITE);
TGA_WRITE_REG(par, BT485_DATA_PAL, TGA_RAMDAC_SETUP_REG);
+#ifdef CONFIG_HW_CONSOLE
for (i = 0; i < 16; i++) {
- j = color_table[i];
+ int j = color_table[i];
+
TGA_WRITE_REG(par, default_red[j]|(BT485_DATA_PAL<<8),
TGA_RAMDAC_REG);
TGA_WRITE_REG(par, default_grn[j]|(BT485_DATA_PAL<<8),
@@ -236,24 +248,27 @@ tgafb_set_par(struct fb_info *info)
TGA_WRITE_REG(par, default_blu[j]|(BT485_DATA_PAL<<8),
TGA_RAMDAC_REG);
}
- for (i = 0; i < 240*3; i += 4) {
- TGA_WRITE_REG(par, 0x55|(BT485_DATA_PAL<<8),
+ for (i = 0; i < 240 * 3; i += 4) {
+#else
+ for (i = 0; i < 256 * 3; i += 4) {
+#endif
+ TGA_WRITE_REG(par, 0x55 | (BT485_DATA_PAL << 8),
TGA_RAMDAC_REG);
- TGA_WRITE_REG(par, 0x00|(BT485_DATA_PAL<<8),
+ TGA_WRITE_REG(par, 0x00 | (BT485_DATA_PAL << 8),
TGA_RAMDAC_REG);
- TGA_WRITE_REG(par, 0x00|(BT485_DATA_PAL<<8),
+ TGA_WRITE_REG(par, 0x00 | (BT485_DATA_PAL << 8),
TGA_RAMDAC_REG);
- TGA_WRITE_REG(par, 0x00|(BT485_DATA_PAL<<8),
+ TGA_WRITE_REG(par, 0x00 | (BT485_DATA_PAL << 8),
TGA_RAMDAC_REG);
}
} else { /* 24-plane or 24plusZ */
- /* Init BT463 registers. */
+ /* Init BT463 RAMDAC registers. */
BT463_WRITE(par, BT463_REG_ACC, BT463_CMD_REG_0, 0x40);
BT463_WRITE(par, BT463_REG_ACC, BT463_CMD_REG_1, 0x08);
BT463_WRITE(par, BT463_REG_ACC, BT463_CMD_REG_2,
- (par->sync_on_green ? 0x80 : 0x40));
+ (par->sync_on_green ? 0xc0 : 0x40));
BT463_WRITE(par, BT463_REG_ACC, BT463_READ_MASK_0, 0xff);
BT463_WRITE(par, BT463_REG_ACC, BT463_READ_MASK_1, 0xff);
@@ -267,26 +282,24 @@ tgafb_set_par(struct fb_info *info)
/* Fill the palette. */
BT463_LOAD_ADDR(par, 0x0000);
- TGA_WRITE_REG(par, BT463_PALETTE<<2, TGA_RAMDAC_REG);
+ TGA_WRITE_REG(par, BT463_PALETTE << 2, TGA_RAMDAC_SETUP_REG);
+#ifdef CONFIG_HW_CONSOLE
for (i = 0; i < 16; i++) {
- j = color_table[i];
- TGA_WRITE_REG(par, default_red[j]|(BT463_PALETTE<<10),
- TGA_RAMDAC_REG);
- TGA_WRITE_REG(par, default_grn[j]|(BT463_PALETTE<<10),
- TGA_RAMDAC_REG);
- TGA_WRITE_REG(par, default_blu[j]|(BT463_PALETTE<<10),
- TGA_RAMDAC_REG);
+ int j = color_table[i];
+
+ TGA_WRITE_REG(par, default_red[j], TGA_RAMDAC_REG);
+ TGA_WRITE_REG(par, default_grn[j], TGA_RAMDAC_REG);
+ TGA_WRITE_REG(par, default_blu[j], TGA_RAMDAC_REG);
}
- for (i = 0; i < 512*3; i += 4) {
- TGA_WRITE_REG(par, 0x55|(BT463_PALETTE<<10),
- TGA_RAMDAC_REG);
- TGA_WRITE_REG(par, 0x00|(BT463_PALETTE<<10),
- TGA_RAMDAC_REG);
- TGA_WRITE_REG(par, 0x00|(BT463_PALETTE<<10),
- TGA_RAMDAC_REG);
- TGA_WRITE_REG(par, 0x00|(BT463_PALETTE<<10),
- TGA_RAMDAC_REG);
+ for (i = 0; i < 512 * 3; i += 4) {
+#else
+ for (i = 0; i < 528 * 3; i += 4) {
+#endif
+ TGA_WRITE_REG(par, 0x55, TGA_RAMDAC_REG);
+ TGA_WRITE_REG(par, 0x00, TGA_RAMDAC_REG);
+ TGA_WRITE_REG(par, 0x00, TGA_RAMDAC_REG);
+ TGA_WRITE_REG(par, 0x00, TGA_RAMDAC_REG);
}
/* Fill window type table after start of vertical retrace. */
@@ -299,15 +312,12 @@ tgafb_set_par(struct fb_info *info)
TGA_WRITE_REG(par, 0x01, TGA_INTR_STAT_REG);
BT463_LOAD_ADDR(par, BT463_WINDOW_TYPE_BASE);
- TGA_WRITE_REG(par, BT463_REG_ACC<<2, TGA_RAMDAC_SETUP_REG);
+ TGA_WRITE_REG(par, BT463_REG_ACC << 2, TGA_RAMDAC_SETUP_REG);
for (i = 0; i < 16; i++) {
- TGA_WRITE_REG(par, 0x00|(BT463_REG_ACC<<10),
- TGA_RAMDAC_REG);
- TGA_WRITE_REG(par, 0x01|(BT463_REG_ACC<<10),
- TGA_RAMDAC_REG);
- TGA_WRITE_REG(par, 0x80|(BT463_REG_ACC<<10),
- TGA_RAMDAC_REG);
+ TGA_WRITE_REG(par, 0x00, TGA_RAMDAC_REG);
+ TGA_WRITE_REG(par, 0x01, TGA_RAMDAC_REG);
+ TGA_WRITE_REG(par, 0x00, TGA_RAMDAC_REG);
}
}
@@ -435,9 +445,16 @@ tgafb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue,
TGA_WRITE_REG(par, red|(BT485_DATA_PAL<<8),TGA_RAMDAC_REG);
TGA_WRITE_REG(par, green|(BT485_DATA_PAL<<8),TGA_RAMDAC_REG);
TGA_WRITE_REG(par, blue|(BT485_DATA_PAL<<8),TGA_RAMDAC_REG);
- } else if (regno < 16) {
- u32 value = (red << 16) | (green << 8) | blue;
- ((u32 *)info->pseudo_palette)[regno] = value;
+ } else {
+ if (regno < 16) {
+ u32 value = (regno << 16) | (regno << 8) | regno;
+ ((u32 *)info->pseudo_palette)[regno] = value;
+ }
+ BT463_LOAD_ADDR(par, regno);
+ TGA_WRITE_REG(par, BT463_PALETTE << 2, TGA_RAMDAC_SETUP_REG);
+ TGA_WRITE_REG(par, red, TGA_RAMDAC_REG);
+ TGA_WRITE_REG(par, green, TGA_RAMDAC_REG);
+ TGA_WRITE_REG(par, blue, TGA_RAMDAC_REG);
}
return 0;
@@ -885,7 +902,7 @@ copyarea_line_8bpp(struct fb_info *info, u32 dy, u32 sy,
n64 = (height * width) / 64;
- if (dy < sy) {
+ if (sy < dy) {
spos = (sy + height) * width;
dpos = (dy + height) * width;
@@ -933,7 +950,7 @@ copyarea_line_32bpp(struct fb_info *info, u32 dy, u32 sy,
n16 = (height * width) / 16;
- if (dy < sy) {
+ if (sy < dy) {
src = tga_fb + (sy + height) * width * 4;
dst = tga_fb + (dy + height) * width * 4;
@@ -1317,7 +1334,7 @@ tgafb_init_fix(struct fb_info *info)
info->fix.type_aux = 0;
info->fix.visual = (tga_type == TGA_TYPE_8PLANE
? FB_VISUAL_PSEUDOCOLOR
- : FB_VISUAL_TRUECOLOR);
+ : FB_VISUAL_DIRECTCOLOR);
info->fix.line_length = par->xres * (par->bits_per_pixel >> 3);
info->fix.smem_start = (size_t) par->tga_fb_base;
@@ -1342,14 +1359,10 @@ tgafb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
TGA_24PLUSZ_FB_OFFSET
};
- struct all_info {
- struct fb_info info;
- struct tga_par par;
- u32 pseudo_palette[16];
- } *all;
-
void __iomem *mem_base;
unsigned long bar0_start, bar0_len;
+ struct fb_info *info;
+ struct tga_par *par;
u8 tga_type;
int ret;
@@ -1360,13 +1373,14 @@ tgafb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
}
/* Allocate the fb and par structures. */
- all = kmalloc(sizeof(*all), GFP_KERNEL);
- if (!all) {
+ info = framebuffer_alloc(sizeof(struct tga_par), &pdev->dev);
+ if (!info) {
printk(KERN_ERR "tgafb: Cannot allocate memory\n");
return -ENOMEM;
}
- memset(all, 0, sizeof(*all));
- pci_set_drvdata(pdev, all);
+
+ par = info->par;
+ pci_set_drvdata(pdev, info);
/* Request the mem regions. */
bar0_start = pci_resource_start(pdev, 0);
@@ -1386,25 +1400,23 @@ tgafb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
/* Grab info about the card. */
tga_type = (readl(mem_base) >> 12) & 0x0f;
- all->par.pdev = pdev;
- all->par.tga_mem_base = mem_base;
- all->par.tga_fb_base = mem_base + fb_offset_presets[tga_type];
- all->par.tga_regs_base = mem_base + TGA_REGS_OFFSET;
- all->par.tga_type = tga_type;
- pci_read_config_byte(pdev, PCI_REVISION_ID, &all->par.tga_chip_rev);
+ par->pdev = pdev;
+ par->tga_mem_base = mem_base;
+ par->tga_fb_base = mem_base + fb_offset_presets[tga_type];
+ par->tga_regs_base = mem_base + TGA_REGS_OFFSET;
+ par->tga_type = tga_type;
+ pci_read_config_byte(pdev, PCI_REVISION_ID, &par->tga_chip_rev);
/* Setup framebuffer. */
- all->info.flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA |
- FBINFO_HWACCEL_IMAGEBLIT | FBINFO_HWACCEL_FILLRECT;
- all->info.fbops = &tgafb_ops;
- all->info.screen_base = all->par.tga_fb_base;
- all->info.par = &all->par;
- all->info.pseudo_palette = all->pseudo_palette;
+ info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA |
+ FBINFO_HWACCEL_IMAGEBLIT | FBINFO_HWACCEL_FILLRECT;
+ info->fbops = &tgafb_ops;
+ info->screen_base = par->tga_fb_base;
+ info->pseudo_palette = (void *)(par + 1);
/* This should give a reasonable default video mode. */
- ret = fb_find_mode(&all->info.var, &all->info, mode_option,
- NULL, 0, NULL,
+ ret = fb_find_mode(&info->var, info, mode_option, NULL, 0, NULL,
tga_type == TGA_TYPE_8PLANE ? 8 : 32);
if (ret == 0 || ret == 4) {
printk(KERN_ERR "tgafb: Could not find valid video mode\n");
@@ -1412,29 +1424,28 @@ tgafb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err1;
}
- if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
+ if (fb_alloc_cmap(&info->cmap, 256, 0)) {
printk(KERN_ERR "tgafb: Could not allocate color map\n");
ret = -ENOMEM;
goto err1;
}
- tgafb_set_par(&all->info);
- tgafb_init_fix(&all->info);
+ tgafb_set_par(info);
+ tgafb_init_fix(info);
- all->info.device = &pdev->dev;
- if (register_framebuffer(&all->info) < 0) {
+ if (register_framebuffer(info) < 0) {
printk(KERN_ERR "tgafb: Could not register framebuffer\n");
ret = -EINVAL;
goto err1;
}
printk(KERN_INFO "tgafb: DC21030 [TGA] detected, rev=0x%02x\n",
- all->par.tga_chip_rev);
+ par->tga_chip_rev);
printk(KERN_INFO "tgafb: at PCI bus %d, device %d, function %d\n",
pdev->bus->number, PCI_SLOT(pdev->devfn),
PCI_FUNC(pdev->devfn));
printk(KERN_INFO "fb%d: %s frame buffer device at 0x%lx\n",
- all->info.node, all->info.fix.id, bar0_start);
+ info->node, info->fix.id, bar0_start);
return 0;
@@ -1443,11 +1454,11 @@ tgafb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
iounmap(mem_base);
release_mem_region(bar0_start, bar0_len);
err0:
- kfree(all);
+ framebuffer_release(info);
return ret;
}
-static void __exit
+static void __devexit
tgafb_pci_unregister(struct pci_dev *pdev)
{
struct fb_info *info = pci_get_drvdata(pdev);
@@ -1456,22 +1467,21 @@ tgafb_pci_unregister(struct pci_dev *pdev)
if (!info)
return;
unregister_framebuffer(info);
+ fb_dealloc_cmap(&info->cmap);
iounmap(par->tga_mem_base);
release_mem_region(pci_resource_start(pdev, 0),
pci_resource_len(pdev, 0));
- kfree(info);
+ framebuffer_release(info);
}
-#ifdef MODULE
-static void __exit
+static void __devexit
tgafb_exit(void)
{
pci_unregister_driver(&tgafb_driver);
}
-#endif /* MODULE */
#ifndef MODULE
-int __init
+static int __devinit
tgafb_setup(char *arg)
{
char *this_opt;
@@ -1493,7 +1503,7 @@ tgafb_setup(char *arg)
}
#endif /* !MODULE */
-int __init
+static int __devinit
tgafb_init(void)
{
#ifndef MODULE
@@ -1511,10 +1521,7 @@ tgafb_init(void)
*/
module_init(tgafb_init);
-
-#ifdef MODULE
module_exit(tgafb_exit);
-#endif
MODULE_DESCRIPTION("framebuffer driver for TGA chipset");
MODULE_LICENSE("GPL");