mirror of https://gitee.com/openkylin/linux.git
cirrusfb: remove fields from cirrusfb_info
This patch removes unused or redundant fields from cirrusfb_info structure. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Antonino Daplas <adaplas@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Krzysztof Helt
Linus Torvalds
parent
7345de32df
commit
9199ec5c5f
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@ -369,23 +369,14 @@ enum cirrusfb_dbg_reg_class {
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/* info about board */
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struct cirrusfb_info {
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struct fb_info *info;
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u8 __iomem *fbmem;
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u8 __iomem *regbase;
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u8 __iomem *mem;
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unsigned long size;
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enum cirrus_board btype;
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unsigned char SFR; /* Shadow of special function register */
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unsigned long fbmem_phys;
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unsigned long fbregs_phys;
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struct cirrusfb_regs currentmode;
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int blank_mode;
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u32 pseudo_palette[16];
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struct { u8 red, green, blue, pad; } palette[256];
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#ifdef CONFIG_ZORRO
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struct zorro_dev *zdev;
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@ -393,7 +384,7 @@ struct cirrusfb_info {
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#ifdef CONFIG_PCI
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struct pci_dev *pdev;
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#endif
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void (*unmap)(struct cirrusfb_info *cinfo);
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void (*unmap)(struct fb_info *info);
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};
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static unsigned cirrusfb_def_mode = 1;
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@ -536,7 +527,7 @@ static int cirrusfb_decode_var(const struct fb_var_screeninfo *var,
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struct cirrusfb_regs *regs,
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const struct fb_info *info);
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/*--- Internal routines ----------------------------------------------------*/
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static void init_vgachip(struct cirrusfb_info *cinfo);
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static void init_vgachip(struct fb_info *info);
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static void switch_monitor(struct cirrusfb_info *cinfo, int on);
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static void WGen(const struct cirrusfb_info *cinfo,
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int regnum, unsigned char val);
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@ -645,7 +636,6 @@ static long cirrusfb_get_mclk(long freq, int bpp, long *div)
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static int cirrusfb_check_var(struct fb_var_screeninfo *var,
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struct fb_info *info)
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{
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struct cirrusfb_info *cinfo = info->par;
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int nom, den; /* translyting from pixels->bytes */
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int yres, i;
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static struct { int xres, yres; } modes[] =
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@ -690,7 +680,7 @@ static int cirrusfb_check_var(struct fb_var_screeninfo *var,
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return -EINVAL;
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}
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if (var->xres * nom / den * var->yres > cinfo->size) {
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if (var->xres * nom / den * var->yres > info->screen_size) {
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printk(KERN_ERR "cirrusfb: mode %dx%dx%d rejected..."
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"resolution too high to fit into video memory!\n",
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var->xres, var->yres, var->bits_per_pixel);
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@ -704,7 +694,8 @@ static int cirrusfb_check_var(struct fb_var_screeninfo *var,
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printk(KERN_INFO
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"cirrusfb: using maximum available virtual resolution\n");
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for (i = 0; modes[i].xres != -1; i++) {
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if (modes[i].xres * nom / den * modes[i].yres < cinfo->size / 2)
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int size = modes[i].xres * nom / den * modes[i].yres;
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if (size < info->screen_size / 2)
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break;
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}
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if (modes[i].xres == -1) {
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@ -1018,7 +1009,7 @@ static int cirrusfb_set_par_foo(struct fb_info *info)
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var->xres, var->yres, var->bits_per_pixel);
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DPRINTK("pixclock: %d\n", var->pixclock);
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init_vgachip(cinfo);
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init_vgachip(info);
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err = cirrusfb_decode_var(var, ®s, info);
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if (err) {
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@ -1686,10 +1677,6 @@ static int cirrusfb_setcolreg(unsigned regno, unsigned red, unsigned green,
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return 0;
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}
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cinfo->palette[regno].red = red;
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cinfo->palette[regno].green = green;
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cinfo->palette[regno].blue = blue;
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if (info->var.bits_per_pixel == 8)
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WClut(cinfo, regno, red >> 10, green >> 10, blue >> 10);
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@ -1848,8 +1835,9 @@ static int cirrusfb_blank(int blank_mode, struct fb_info *info)
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/****************************************************************************/
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/**** BEGIN Internal Routines ***********************************************/
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static void init_vgachip(struct cirrusfb_info *cinfo)
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static void init_vgachip(struct fb_info *info)
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{
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struct cirrusfb_info *cinfo = info->par;
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const struct cirrusfb_board_info_rec *bi;
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DPRINTK("ENTER\n");
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@ -1903,7 +1891,8 @@ static void init_vgachip(struct cirrusfb_info *cinfo)
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break;
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}
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assert(cinfo->size > 0); /* make sure RAM size set by this point */
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/* make sure RAM size set by this point */
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assert(info->screen_size > 0);
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/* the P4 is not fully initialized here; I rely on it having been */
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/* inited under AmigaOS already, which seems to work just fine */
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@ -2089,7 +2078,7 @@ static void init_vgachip(struct cirrusfb_info *cinfo)
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WHDR(cinfo, 0); /* Hidden DAC register: - */
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printk(KERN_DEBUG "cirrusfb: This board has %ld bytes of DRAM memory\n",
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cinfo->size);
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info->screen_size);
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DPRINTK("EXIT\n");
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return;
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}
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@ -2150,24 +2139,25 @@ static void switch_monitor(struct cirrusfb_info *cinfo, int on)
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/* Linux 2.6-style accelerated functions */
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/******************************************/
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static void cirrusfb_prim_fillrect(struct cirrusfb_info *cinfo,
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static void cirrusfb_prim_fillrect(struct fb_info *info,
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const struct fb_fillrect *region)
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{
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struct cirrusfb_info *cinfo = info->par;
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int m; /* bytes per pixel */
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u32 color = (cinfo->info->fix.visual == FB_VISUAL_TRUECOLOR) ?
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u32 color = (info->fix.visual == FB_VISUAL_TRUECOLOR) ?
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cinfo->pseudo_palette[region->color] : region->color;
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if (cinfo->info->var.bits_per_pixel == 1) {
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if (info->var.bits_per_pixel == 1) {
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cirrusfb_RectFill(cinfo->regbase,
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cinfo->info->var.bits_per_pixel,
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info->var.bits_per_pixel,
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region->dx / 8, region->dy,
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region->width / 8, region->height,
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color,
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cinfo->currentmode.line_length);
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} else {
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m = (cinfo->info->var.bits_per_pixel + 7) / 8;
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m = (info->var.bits_per_pixel + 7) / 8;
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cirrusfb_RectFill(cinfo->regbase,
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cinfo->info->var.bits_per_pixel,
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info->var.bits_per_pixel,
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region->dx * m, region->dy,
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region->width * m, region->height,
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color,
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@ -2179,7 +2169,6 @@ static void cirrusfb_prim_fillrect(struct cirrusfb_info *cinfo,
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static void cirrusfb_fillrect(struct fb_info *info,
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const struct fb_fillrect *region)
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{
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struct cirrusfb_info *cinfo = info->par;
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struct fb_fillrect modded;
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int vxres, vyres;
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@ -2204,22 +2193,24 @@ static void cirrusfb_fillrect(struct fb_info *info,
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if (modded.dy + modded.height > vyres)
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modded.height = vyres - modded.dy;
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cirrusfb_prim_fillrect(cinfo, &modded);
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cirrusfb_prim_fillrect(info, &modded);
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}
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static void cirrusfb_prim_copyarea(struct cirrusfb_info *cinfo,
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static void cirrusfb_prim_copyarea(struct fb_info *info,
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const struct fb_copyarea *area)
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{
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struct cirrusfb_info *cinfo = info->par;
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int m; /* bytes per pixel */
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if (cinfo->info->var.bits_per_pixel == 1) {
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cirrusfb_BitBLT(cinfo->regbase, cinfo->info->var.bits_per_pixel,
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if (info->var.bits_per_pixel == 1) {
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cirrusfb_BitBLT(cinfo->regbase, info->var.bits_per_pixel,
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area->sx / 8, area->sy,
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area->dx / 8, area->dy,
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area->width / 8, area->height,
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cinfo->currentmode.line_length);
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} else {
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m = (cinfo->info->var.bits_per_pixel + 7) / 8;
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cirrusfb_BitBLT(cinfo->regbase, cinfo->info->var.bits_per_pixel,
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m = (info->var.bits_per_pixel + 7) / 8;
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cirrusfb_BitBLT(cinfo->regbase, info->var.bits_per_pixel,
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area->sx * m, area->sy,
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area->dx * m, area->dy,
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area->width * m, area->height,
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@ -2231,9 +2222,9 @@ static void cirrusfb_prim_copyarea(struct cirrusfb_info *cinfo,
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static void cirrusfb_copyarea(struct fb_info *info,
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const struct fb_copyarea *area)
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{
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struct cirrusfb_info *cinfo = info->par;
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struct fb_copyarea modded;
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u32 vxres, vyres;
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modded.sx = area->sx;
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modded.sy = area->sy;
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modded.dx = area->dx;
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@ -2265,7 +2256,7 @@ static void cirrusfb_copyarea(struct fb_info *info,
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if (modded.dy + modded.height > vyres)
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modded.height = vyres - modded.dy;
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cirrusfb_prim_copyarea(cinfo, &modded);
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cirrusfb_prim_copyarea(info, &modded);
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}
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static void cirrusfb_imageblit(struct fb_info *info,
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@ -2363,18 +2354,19 @@ static void get_pci_addrs(const struct pci_dev *pdev,
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DPRINTK("EXIT\n");
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}
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static void cirrusfb_pci_unmap(struct cirrusfb_info *cinfo)
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static void cirrusfb_pci_unmap(struct fb_info *info)
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{
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struct cirrusfb_info *cinfo = info->par;
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struct pci_dev *pdev = cinfo->pdev;
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iounmap(cinfo->fbmem);
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iounmap(info->screen_base);
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#if 0 /* if system didn't claim this region, we would... */
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release_mem_region(0xA0000, 65535);
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#endif
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if (release_io_ports)
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release_region(0x3C0, 32);
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pci_release_regions(pdev);
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framebuffer_release(cinfo->info);
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framebuffer_release(info);
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}
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#endif /* CONFIG_PCI */
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@ -2386,21 +2378,20 @@ static void __devexit cirrusfb_zorro_unmap(struct cirrusfb_info *cinfo)
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if (cinfo->btype == BT_PICASSO4) {
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cinfo->regbase -= 0x600000;
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iounmap((void *)cinfo->regbase);
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iounmap((void *)cinfo->fbmem);
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iounmap(info->screen_base);
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} else {
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if (zorro_resource_start(cinfo->zdev) > 0x01000000)
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iounmap((void *)cinfo->fbmem);
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iounmap(info->screen_base);
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}
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framebuffer_release(cinfo->info);
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}
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#endif /* CONFIG_ZORRO */
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static int cirrusfb_set_fbinfo(struct cirrusfb_info *cinfo)
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static int cirrusfb_set_fbinfo(struct fb_info *info)
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{
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struct fb_info *info = cinfo->info;
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struct cirrusfb_info *cinfo = info->par;
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struct fb_var_screeninfo *var = &info->var;
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info->par = cinfo;
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info->pseudo_palette = cinfo->pseudo_palette;
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info->flags = FBINFO_DEFAULT
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| FBINFO_HWACCEL_XPAN
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@ -2410,7 +2401,6 @@ static int cirrusfb_set_fbinfo(struct cirrusfb_info *cinfo)
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if (noaccel)
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info->flags |= FBINFO_HWACCEL_DISABLED;
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info->fbops = &cirrusfb_ops;
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info->screen_base = cinfo->fbmem;
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if (cinfo->btype == BT_GD5480) {
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if (var->bits_per_pixel == 16)
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info->screen_base += 1 * MB_;
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@ -2424,9 +2414,9 @@ static int cirrusfb_set_fbinfo(struct cirrusfb_info *cinfo)
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/* monochrome: only 1 memory plane */
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/* 8 bit and above: Use whole memory area */
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info->fix.smem_start = cinfo->fbmem_phys;
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info->fix.smem_len =
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(var->bits_per_pixel == 1) ? cinfo->size / 4 : cinfo->size;
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info->fix.smem_len = info->screen_size;
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if (var->bits_per_pixel == 1)
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info->fix.smem_len /= 4;
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info->fix.type = cinfo->currentmode.type;
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info->fix.type_aux = 0;
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info->fix.visual = cinfo->currentmode.visual;
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@ -2436,7 +2426,6 @@ static int cirrusfb_set_fbinfo(struct cirrusfb_info *cinfo)
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info->fix.line_length = cinfo->currentmode.line_length;
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/* FIXME: map region at 0xB8000 if available, fill in here */
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info->fix.mmio_start = cinfo->fbregs_phys;
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info->fix.mmio_len = 0;
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info->fix.accel = FB_ACCEL_NONE;
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@ -2445,9 +2434,9 @@ static int cirrusfb_set_fbinfo(struct cirrusfb_info *cinfo)
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return 0;
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}
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static int cirrusfb_register(struct cirrusfb_info *cinfo)
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static int cirrusfb_register(struct fb_info *info)
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{
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struct fb_info *info;
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struct cirrusfb_info *cinfo = info->par;
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int err;
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enum cirrus_board btype;
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@ -2456,13 +2445,12 @@ static int cirrusfb_register(struct cirrusfb_info *cinfo)
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printk(KERN_INFO "cirrusfb: Driver for Cirrus Logic based "
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"graphic boards, v" CIRRUSFB_VERSION "\n");
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info = cinfo->info;
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btype = cinfo->btype;
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/* sanity checks */
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assert(btype != BT_NONE);
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DPRINTK("cirrusfb: (RAM start set to: 0x%p)\n", cinfo->fbmem);
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DPRINTK("cirrusfb: (RAM start set to: 0x%p)\n", info->screen_base);
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/* Make pretend we've set the var so our structures are in a "good" */
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/* state, even though we haven't written the mode to the hw yet... */
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@ -2477,7 +2465,7 @@ static int cirrusfb_register(struct cirrusfb_info *cinfo)
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}
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/* set all the vital stuff */
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cirrusfb_set_fbinfo(cinfo);
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cirrusfb_set_fbinfo(info);
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err = register_framebuffer(info);
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if (err < 0) {
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@ -2492,7 +2480,7 @@ static int cirrusfb_register(struct cirrusfb_info *cinfo)
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err_dealloc_cmap:
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fb_dealloc_cmap(&info->cmap);
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err_unmap_cirrusfb:
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cinfo->unmap(cinfo);
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cinfo->unmap(info);
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return err;
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}
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@ -2506,7 +2494,7 @@ static void __devexit cirrusfb_cleanup(struct fb_info *info)
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unregister_framebuffer(info);
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fb_dealloc_cmap(&info->cmap);
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printk("Framebuffer unregistered\n");
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cinfo->unmap(cinfo);
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cinfo->unmap(info);
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DPRINTK("EXIT\n");
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}
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@ -2535,7 +2523,6 @@ static int cirrusfb_pci_register(struct pci_dev *pdev,
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}
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cinfo = info->par;
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cinfo->info = info;
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cinfo->pdev = pdev;
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cinfo->btype = btype = (enum cirrus_board) ent->driver_data;
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@ -2546,19 +2533,19 @@ static int cirrusfb_pci_register(struct pci_dev *pdev,
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if (isPReP) {
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pci_write_config_dword(pdev, PCI_BASE_ADDRESS_0, 0x00000000);
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#ifdef CONFIG_PPC_PREP
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get_prep_addrs(&board_addr, &cinfo->fbregs_phys);
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get_prep_addrs(&board_addr, &info->fix.mmio_start);
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#endif
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/* PReP dies if we ioremap the IO registers, but it works w/out... */
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cinfo->regbase = (char __iomem *) cinfo->fbregs_phys;
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cinfo->regbase = (char __iomem *) info->fix.mmio_start;
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} else {
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DPRINTK("Attempt to get PCI info for Cirrus Graphics Card\n");
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get_pci_addrs(pdev, &board_addr, &cinfo->fbregs_phys);
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get_pci_addrs(pdev, &board_addr, &info->fix.mmio_start);
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/* FIXME: this forces VGA. alternatives? */
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cinfo->regbase = NULL;
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}
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DPRINTK("Board address: 0x%lx, register address: 0x%lx\n",
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board_addr, cinfo->fbregs_phys);
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board_addr, info->fix.mmio_start);
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board_size = (btype == BT_GD5480) ?
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32 * MB_ : cirrusfb_get_memsize(cinfo->regbase);
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@ -2582,24 +2569,24 @@ static int cirrusfb_pci_register(struct pci_dev *pdev,
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if (request_region(0x3C0, 32, "cirrusfb"))
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release_io_ports = 1;
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cinfo->fbmem = ioremap(board_addr, board_size);
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if (!cinfo->fbmem) {
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info->screen_base = ioremap(board_addr, board_size);
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if (!info->screen_base) {
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ret = -EIO;
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goto err_release_legacy;
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}
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cinfo->fbmem_phys = board_addr;
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cinfo->size = board_size;
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info->fix.smem_start = board_addr;
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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;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue