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提交 9199ec5c 编写于 作者: K Krzysztof Helt 提交者： Linus Torvalds
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cirrusfb: remove fields from cirrusfb_info 

This patch removes unused or redundant fields from cirrusfb_info structure.
Signed-off-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: NAntonino Daplas <adaplas@gmail.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 7345de32
隐藏空白更改
内联 并排
Showing with 68 addition and 81 deletion
drivers/video/cirrusfb.c
浏览文件 @ 9199ec5c
......@@ -369,23 +369,14 @@ enum cirrusfb_dbg_reg_class {
/* info about board */
struct cirrusfb_info {
struct fb_info *info;
u8 __iomem *fbmem;
u8 __iomem *regbase;
u8 __iomem *mem;
unsigned long size;
enum cirrus_board btype;
unsigned char SFR; /* Shadow of special function register */
unsigned long fbmem_phys;
unsigned long fbregs_phys;
struct cirrusfb_regs currentmode;
int blank_mode;
u32 pseudo_palette[16];
struct { u8 red, green, blue, pad; } palette[256];
#ifdef CONFIG_ZORRO
struct zorro_dev *zdev;
......@@ -393,7 +384,7 @@ struct cirrusfb_info {
#ifdef CONFIG_PCI
struct pci_dev *pdev;
#endif
void (*unmap)(struct cirrusfb_info *cinfo);
void (*unmap)(struct fb_info *info);
};
static unsigned cirrusfb_def_mode = 1;
......@@ -536,7 +527,7 @@ static int cirrusfb_decode_var(const struct fb_var_screeninfo *var,
struct cirrusfb_regs *regs,
const struct fb_info *info);
/*--- Internal routines ----------------------------------------------------*/
static void init_vgachip(struct cirrusfb_info *cinfo);
static void init_vgachip(struct fb_info *info);
static void switch_monitor(struct cirrusfb_info *cinfo, int on);
static void WGen(const struct cirrusfb_info *cinfo,
int regnum, unsigned char val);
......@@ -645,7 +636,6 @@ static long cirrusfb_get_mclk(long freq, int bpp, long *div)
static int cirrusfb_check_var(struct fb_var_screeninfo *var,
struct fb_info *info)
{
struct cirrusfb_info *cinfo = info->par;
int nom, den; /* translyting from pixels->bytes */
int yres, i;
static struct { int xres, yres; } modes[] =
......@@ -690,7 +680,7 @@ static int cirrusfb_check_var(struct fb_var_screeninfo *var,
return -EINVAL;
}
if (var->xres * nom / den * var->yres > cinfo->size) {
if (var->xres * nom / den * var->yres > info->screen_size) {
printk(KERN_ERR "cirrusfb: mode %dx%dx%d rejected..."
"resolution too high to fit into video memory!\n",
var->xres, var->yres, var->bits_per_pixel);
......@@ -704,7 +694,8 @@ static int cirrusfb_check_var(struct fb_var_screeninfo *var,
printk(KERN_INFO
"cirrusfb: using maximum available virtual resolution\n");
for (i = 0; modes[i].xres != -1; i++) {
if (modes[i].xres * nom / den * modes[i].yres < cinfo->size / 2)
int size = modes[i].xres * nom / den * modes[i].yres;
if (size < info->screen_size / 2)
break;
}
if (modes[i].xres == -1) {
......@@ -1018,7 +1009,7 @@ static int cirrusfb_set_par_foo(struct fb_info *info)
var->xres, var->yres, var->bits_per_pixel);
DPRINTK("pixclock: %d\n", var->pixclock);
init_vgachip(cinfo);
init_vgachip(info);
err = cirrusfb_decode_var(var, &regs, info);
if (err) {
......@@ -1686,10 +1677,6 @@ static int cirrusfb_setcolreg(unsigned regno, unsigned red, unsigned green,
return 0;
}
cinfo->palette[regno].red = red;
cinfo->palette[regno].green = green;
cinfo->palette[regno].blue = blue;
if (info->var.bits_per_pixel == 8)
WClut(cinfo, regno, red >> 10, green >> 10, blue >> 10);
......@@ -1848,8 +1835,9 @@ static int cirrusfb_blank(int blank_mode, struct fb_info *info)
/****************************************************************************/
/**** BEGIN Internal Routines ***********************************************/
static void init_vgachip(struct cirrusfb_info *cinfo)
static void init_vgachip(struct fb_info *info)
{
struct cirrusfb_info *cinfo = info->par;
const struct cirrusfb_board_info_rec *bi;
DPRINTK("ENTER\n");
......@@ -1903,7 +1891,8 @@ static void init_vgachip(struct cirrusfb_info *cinfo)
break;
}
assert(cinfo->size > 0); /* make sure RAM size set by this point */
/* make sure RAM size set by this point */
assert(info->screen_size > 0);
/* the P4 is not fully initialized here; I rely on it having been */
/* inited under AmigaOS already, which seems to work just fine */
......@@ -2089,7 +2078,7 @@ static void init_vgachip(struct cirrusfb_info *cinfo)
WHDR(cinfo, 0); /* Hidden DAC register: - */
printk(KERN_DEBUG "cirrusfb: This board has %ld bytes of DRAM memory\n",
cinfo->size);
info->screen_size);
DPRINTK("EXIT\n");
return;
}
......@@ -2150,24 +2139,25 @@ static void switch_monitor(struct cirrusfb_info *cinfo, int on)
/* Linux 2.6-style accelerated functions */
/******************************************/
static void cirrusfb_prim_fillrect(struct cirrusfb_info *cinfo,
static void cirrusfb_prim_fillrect(struct fb_info *info,
const struct fb_fillrect *region)
{
struct cirrusfb_info *cinfo = info->par;
int m; /* bytes per pixel */
u32 color = (cinfo->info->fix.visual == FB_VISUAL_TRUECOLOR) ?
u32 color = (info->fix.visual == FB_VISUAL_TRUECOLOR) ?
cinfo->pseudo_palette[region->color] : region->color;
if (cinfo->info->var.bits_per_pixel == 1) {
if (info->var.bits_per_pixel == 1) {
cirrusfb_RectFill(cinfo->regbase,
cinfo->info->var.bits_per_pixel,
info->var.bits_per_pixel,
region->dx / 8, region->dy,
region->width / 8, region->height,
color,
cinfo->currentmode.line_length);
} else {
m = (cinfo->info->var.bits_per_pixel + 7) / 8;
m = (info->var.bits_per_pixel + 7) / 8;
cirrusfb_RectFill(cinfo->regbase,
cinfo->info->var.bits_per_pixel,
info->var.bits_per_pixel,
region->dx * m, region->dy,
region->width * m, region->height,
color,
......@@ -2179,7 +2169,6 @@ static void cirrusfb_prim_fillrect(struct cirrusfb_info *cinfo,
static void cirrusfb_fillrect(struct fb_info *info,
const struct fb_fillrect *region)
{
struct cirrusfb_info *cinfo = info->par;
struct fb_fillrect modded;
int vxres, vyres;
......@@ -2204,22 +2193,24 @@ static void cirrusfb_fillrect(struct fb_info *info,
if (modded.dy + modded.height > vyres)
modded.height = vyres - modded.dy;
cirrusfb_prim_fillrect(cinfo, &modded);
cirrusfb_prim_fillrect(info, &modded);
}
static void cirrusfb_prim_copyarea(struct cirrusfb_info *cinfo,
static void cirrusfb_prim_copyarea(struct fb_info *info,
const struct fb_copyarea *area)
{
struct cirrusfb_info *cinfo = info->par;
int m; /* bytes per pixel */
if (cinfo->info->var.bits_per_pixel == 1) {
cirrusfb_BitBLT(cinfo->regbase, cinfo->info->var.bits_per_pixel,
if (info->var.bits_per_pixel == 1) {
cirrusfb_BitBLT(cinfo->regbase, info->var.bits_per_pixel,
area->sx / 8, area->sy,
area->dx / 8, area->dy,
area->width / 8, area->height,
cinfo->currentmode.line_length);
} else {
m = (cinfo->info->var.bits_per_pixel + 7) / 8;
cirrusfb_BitBLT(cinfo->regbase, cinfo->info->var.bits_per_pixel,
m = (info->var.bits_per_pixel + 7) / 8;
cirrusfb_BitBLT(cinfo->regbase, info->var.bits_per_pixel,
area->sx * m, area->sy,
area->dx * m, area->dy,
area->width * m, area->height,
......@@ -2231,9 +2222,9 @@ static void cirrusfb_prim_copyarea(struct cirrusfb_info *cinfo,
static void cirrusfb_copyarea(struct fb_info *info,
const struct fb_copyarea *area)
{
struct cirrusfb_info *cinfo = info->par;
struct fb_copyarea modded;
u32 vxres, vyres;
modded.sx = area->sx;
modded.sy = area->sy;
modded.dx = area->dx;
......@@ -2265,7 +2256,7 @@ static void cirrusfb_copyarea(struct fb_info *info,
if (modded.dy + modded.height > vyres)
modded.height = vyres - modded.dy;
cirrusfb_prim_copyarea(cinfo, &modded);
cirrusfb_prim_copyarea(info, &modded);
}
static void cirrusfb_imageblit(struct fb_info *info,
......@@ -2363,18 +2354,19 @@ static void get_pci_addrs(const struct pci_dev *pdev,
DPRINTK("EXIT\n");
}
static void cirrusfb_pci_unmap(struct cirrusfb_info *cinfo)
static void cirrusfb_pci_unmap(struct fb_info *info)
{
struct cirrusfb_info *cinfo = info->par;
struct pci_dev *pdev = cinfo->pdev;
iounmap(cinfo->fbmem);
iounmap(info->screen_base);
#if 0 /* if system didn't claim this region, we would... */
release_mem_region(0xA0000, 65535);
#endif
if (release_io_ports)
release_region(0x3C0, 32);
pci_release_regions(pdev);
framebuffer_release(cinfo->info);
framebuffer_release(info);
}
#endif /* CONFIG_PCI */
......@@ -2386,21 +2378,20 @@ static void __devexit cirrusfb_zorro_unmap(struct cirrusfb_info *cinfo)
if (cinfo->btype == BT_PICASSO4) {
cinfo->regbase -= 0x600000;
iounmap((void *)cinfo->regbase);
iounmap((void *)cinfo->fbmem);
iounmap(info->screen_base);
} else {
if (zorro_resource_start(cinfo->zdev) > 0x01000000)
iounmap((void *)cinfo->fbmem);
iounmap(info->screen_base);
}
framebuffer_release(cinfo->info);
}
#endif /* CONFIG_ZORRO */
static int cirrusfb_set_fbinfo(struct cirrusfb_info *cinfo)
static int cirrusfb_set_fbinfo(struct fb_info *info)
{
struct fb_info *info = cinfo->info;
struct cirrusfb_info *cinfo = info->par;
struct fb_var_screeninfo *var = &info->var;
info->par = cinfo;
info->pseudo_palette = cinfo->pseudo_palette;
info->flags = FBINFO_DEFAULT
| FBINFO_HWACCEL_XPAN
......@@ -2410,7 +2401,6 @@ static int cirrusfb_set_fbinfo(struct cirrusfb_info *cinfo)
if (noaccel)
info->flags |= FBINFO_HWACCEL_DISABLED;
info->fbops = &cirrusfb_ops;
info->screen_base = cinfo->fbmem;
if (cinfo->btype == BT_GD5480) {
if (var->bits_per_pixel == 16)
info->screen_base += 1 * MB_;
......@@ -2424,9 +2414,9 @@ static int cirrusfb_set_fbinfo(struct cirrusfb_info *cinfo)
/* monochrome: only 1 memory plane */
/* 8 bit and above: Use whole memory area */
info->fix.smem_start = cinfo->fbmem_phys;
info->fix.smem_len =
(var->bits_per_pixel == 1) ? cinfo->size / 4 : cinfo->size;
info->fix.smem_len = info->screen_size;
if (var->bits_per_pixel == 1)
info->fix.smem_len /= 4;
info->fix.type = cinfo->currentmode.type;
info->fix.type_aux = 0;
info->fix.visual = cinfo->currentmode.visual;
......@@ -2436,7 +2426,6 @@ static int cirrusfb_set_fbinfo(struct cirrusfb_info *cinfo)
info->fix.line_length = cinfo->currentmode.line_length;
/* FIXME: map region at 0xB8000 if available, fill in here */
info->fix.mmio_start = cinfo->fbregs_phys;
info->fix.mmio_len = 0;
info->fix.accel = FB_ACCEL_NONE;
......@@ -2445,9 +2434,9 @@ static int cirrusfb_set_fbinfo(struct cirrusfb_info *cinfo)
return 0;
}
static int cirrusfb_register(struct cirrusfb_info *cinfo)
static int cirrusfb_register(struct fb_info *info)
{
struct fb_info *info;
struct cirrusfb_info *cinfo = info->par;
int err;
enum cirrus_board btype;
......@@ -2456,13 +2445,12 @@ static int cirrusfb_register(struct cirrusfb_info *cinfo)
printk(KERN_INFO "cirrusfb: Driver for Cirrus Logic based "
"graphic boards, v" CIRRUSFB_VERSION "\n");
info = cinfo->info;
btype = cinfo->btype;
/* sanity checks */
assert(btype != BT_NONE);
DPRINTK("cirrusfb: (RAM start set to: 0x%p)\n", cinfo->fbmem);
DPRINTK("cirrusfb: (RAM start set to: 0x%p)\n", info->screen_base);
/* Make pretend we've set the var so our structures are in a "good" */
/* state, even though we haven't written the mode to the hw yet... */
......@@ -2477,7 +2465,7 @@ static int cirrusfb_register(struct cirrusfb_info *cinfo)
}
/* set all the vital stuff */
cirrusfb_set_fbinfo(cinfo);
cirrusfb_set_fbinfo(info);
err = register_framebuffer(info);
if (err < 0) {
......@@ -2492,7 +2480,7 @@ static int cirrusfb_register(struct cirrusfb_info *cinfo)
err_dealloc_cmap:
fb_dealloc_cmap(&info->cmap);
err_unmap_cirrusfb:
cinfo->unmap(cinfo);
cinfo->unmap(info);
return err;
}
......@@ -2506,7 +2494,7 @@ static void __devexit cirrusfb_cleanup(struct fb_info *info)
unregister_framebuffer(info);
fb_dealloc_cmap(&info->cmap);
printk("Framebuffer unregistered\n");
cinfo->unmap(cinfo);
cinfo->unmap(info);
DPRINTK("EXIT\n");
}
......@@ -2535,7 +2523,6 @@ static int cirrusfb_pci_register(struct pci_dev *pdev,
}
cinfo = info->par;
cinfo->info = info;
cinfo->pdev = pdev;
cinfo->btype = btype = (enum cirrus_board) ent->driver_data;
......@@ -2546,19 +2533,19 @@ static int cirrusfb_pci_register(struct pci_dev *pdev,
if (isPReP) {
pci_write_config_dword(pdev, PCI_BASE_ADDRESS_0, 0x00000000);
#ifdef CONFIG_PPC_PREP
get_prep_addrs(&board_addr, &cinfo->fbregs_phys);
get_prep_addrs(&board_addr, &info->fix.mmio_start);
#endif
/* PReP dies if we ioremap the IO registers, but it works w/out... */
cinfo->regbase = (char __iomem *) cinfo->fbregs_phys;
cinfo->regbase = (char __iomem *) info->fix.mmio_start;
} else {
DPRINTK("Attempt to get PCI info for Cirrus Graphics Card\n");
get_pci_addrs(pdev, &board_addr, &cinfo->fbregs_phys);
get_pci_addrs(pdev, &board_addr, &info->fix.mmio_start);
/* FIXME: this forces VGA. alternatives? */
cinfo->regbase = NULL;
}
DPRINTK("Board address: 0x%lx, register address: 0x%lx\n",
board_addr, cinfo->fbregs_phys);
board_addr, info->fix.mmio_start);
board_size = (btype == BT_GD5480) ?
32 * MB_ : cirrusfb_get_memsize(cinfo->regbase);
......@@ -2582,24 +2569,24 @@ static int cirrusfb_pci_register(struct pci_dev *pdev,
if (request_region(0x3C0, 32, "cirrusfb"))
release_io_ports = 1;
cinfo->fbmem = ioremap(board_addr, board_size);
if (!cinfo->fbmem) {
info->screen_base = ioremap(board_addr, board_size);
if (!info->screen_base) {
ret = -EIO;
goto err_release_legacy;
}
cinfo->fbmem_phys = board_addr;
cinfo->size = board_size;
info->fix.smem_start = board_addr;
info->screen_size = board_size;
cinfo->unmap = cirrusfb_pci_unmap;
printk(KERN_INFO " RAM (%lu kB) at 0xx%lx, ",
cinfo->size / KB_, board_addr);
info->screen_size / KB_, board_addr);
printk(KERN_INFO "Cirrus Logic chipset on PCI bus\n");
pci_set_drvdata(pdev, info);
ret = cirrusfb_register(cinfo);
ret = cirrusfb_register(info);
if (ret)
iounmap(cinfo->fbmem);
iounmap(info->screen_base);
return ret;
err_release_legacy:
......@@ -2677,7 +2664,7 @@ static int cirrusfb_zorro_register(struct zorro_dev *z,
cinfo->zdev = z;
board_addr = zorro_resource_start(z);
board_size = zorro_resource_len(z);
cinfo->size = size;
info->screen_size = size;
if (!zorro_request_device(z, "cirrusfb")) {
printk(KERN_ERR "cirrusfb: cannot reserve region 0x%lx, "
......@@ -2705,27 +2692,27 @@ static int cirrusfb_zorro_register(struct zorro_dev *z,
DPRINTK("cirrusfb: Virtual address for board set to: $%p\n",
cinfo->regbase);
cinfo->regbase += 0x600000;
cinfo->fbregs_phys = board_addr + 0x600000;
info->fix.mmio_start = board_addr + 0x600000;
cinfo->fbmem_phys = board_addr + 16777216;
cinfo->fbmem = ioremap(cinfo->fbmem_phys, 16777216);
if (!cinfo->fbmem)
info->fix.smem_start = board_addr + 16777216;
info->screen_base = ioremap(info->fix.smem_start, 16777216);
if (!info->screen_base)
goto err_unmap_regbase;
} else {
printk(KERN_INFO " REG at $%lx\n",
(unsigned long) z2->resource.start);
cinfo->fbmem_phys = board_addr;
info->fix.smem_start = board_addr;
if (board_addr > 0x01000000)
cinfo->fbmem = ioremap(board_addr, board_size);
info->screen_base = ioremap(board_addr, board_size);
else
cinfo->fbmem = (caddr_t) ZTWO_VADDR(board_addr);
if (!cinfo->fbmem)
info->screen_base = (caddr_t) ZTWO_VADDR(board_addr);
if (!info->screen_base)
goto err_release_region;
/* set address for REG area of board */
cinfo->regbase = (caddr_t) ZTWO_VADDR(z2->resource.start);
cinfo->fbregs_phys = z2->resource.start;
info->fix.mmio_start = z2->resource.start;
DPRINTK("cirrusfb: Virtual address for board set to: $%p\n",
cinfo->regbase);
......@@ -2738,10 +2725,10 @@ static int cirrusfb_zorro_register(struct zorro_dev *z,
ret = cirrusfb_register(cinfo);
if (ret) {
if (btype == BT_PICASSO4) {
iounmap(cinfo->fbmem);
iounmap(info->screen_base);
iounmap(cinfo->regbase - 0x600000);
} else if (board_addr > 0x01000000)
iounmap(cinfo->fbmem);
iounmap(info->screen_base);
}
return ret;
......
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