diff options
Diffstat (limited to 'drivers/video/fbdev/cg14.c')
| -rw-r--r-- | drivers/video/fbdev/cg14.c | 50 |
1 files changed, 20 insertions, 30 deletions
diff --git a/drivers/video/fbdev/cg14.c b/drivers/video/fbdev/cg14.c index 43e915eaf606..5389f8f07346 100644 --- a/drivers/video/fbdev/cg14.c +++ b/drivers/video/fbdev/cg14.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* cg14.c: CGFOURTEEN frame buffer driver * * Copyright (C) 2003, 2006 David S. Miller (davem@davemloft.net) @@ -16,7 +17,8 @@ #include <linux/fb.h> #include <linux/mm.h> #include <linux/uaccess.h> -#include <linux/of_device.h> +#include <linux/of.h> +#include <linux/platform_device.h> #include <asm/io.h> #include <asm/fbio.h> @@ -29,27 +31,20 @@ static int cg14_setcolreg(unsigned, unsigned, unsigned, unsigned, unsigned, struct fb_info *); - -static int cg14_mmap(struct fb_info *, struct vm_area_struct *); -static int cg14_ioctl(struct fb_info *, unsigned int, unsigned long); static int cg14_pan_display(struct fb_var_screeninfo *, struct fb_info *); +static int cg14_sbusfb_mmap(struct fb_info *info, struct vm_area_struct *vma); +static int cg14_sbusfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg); + /* * Frame buffer operations */ -static struct fb_ops cg14_ops = { +static const struct fb_ops cg14_ops = { .owner = THIS_MODULE, + FB_DEFAULT_SBUS_OPS(cg14), .fb_setcolreg = cg14_setcolreg, .fb_pan_display = cg14_pan_display, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, - .fb_mmap = cg14_mmap, - .fb_ioctl = cg14_ioctl, -#ifdef CONFIG_COMPAT - .fb_compat_ioctl = sbusfb_compat_ioctl, -#endif }; #define CG14_MCR_INTENABLE_SHIFT 7 @@ -263,7 +258,7 @@ static int cg14_setcolreg(unsigned regno, return 0; } -static int cg14_mmap(struct fb_info *info, struct vm_area_struct *vma) +static int cg14_sbusfb_mmap(struct fb_info *info, struct vm_area_struct *vma) { struct cg14_par *par = (struct cg14_par *) info->par; @@ -272,7 +267,7 @@ static int cg14_mmap(struct fb_info *info, struct vm_area_struct *vma) par->iospace, vma); } -static int cg14_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) +static int cg14_sbusfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) { struct cg14_par *par = (struct cg14_par *) info->par; struct cg14_regs __iomem *regs = par->regs; @@ -355,9 +350,7 @@ static int cg14_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) static void cg14_init_fix(struct fb_info *info, int linebytes, struct device_node *dp) { - const char *name = dp->name; - - strlcpy(info->fix.id, name, sizeof(info->fix.id)); + snprintf(info->fix.id, sizeof(info->fix.id), "%pOFn", dp); info->fix.type = FB_TYPE_PACKED_PIXELS; info->fix.visual = FB_VISUAL_PSEUDOCOLOR; @@ -367,7 +360,7 @@ static void cg14_init_fix(struct fb_info *info, int linebytes, info->fix.accel = FB_ACCEL_SUN_CG14; } -static struct sbus_mmap_map __cg14_mmap_map[CG14_MMAP_ENTRIES] = { +static const struct sbus_mmap_map __cg14_mmap_map[CG14_MMAP_ENTRIES] = { { .voff = CG14_REGS, .poff = 0x80000000, @@ -488,8 +481,8 @@ static int cg14_probe(struct platform_device *op) info->var.xres); info->fix.smem_len = PAGE_ALIGN(linebytes * info->var.yres); - if (!strcmp(dp->parent->name, "sbus") || - !strcmp(dp->parent->name, "sbi")) { + if (of_node_name_eq(dp->parent, "sbus") || + of_node_name_eq(dp->parent, "sbi")) { info->fix.smem_start = op->resource[0].start; par->iospace = op->resource[0].flags & IORESOURCE_BITS; } else { @@ -510,11 +503,10 @@ static int cg14_probe(struct platform_device *op) if (!par->regs || !par->clut || !par->cursor || !info->screen_base) goto out_unmap_regs; - is_8mb = (((op->resource[1].end - op->resource[1].start) + 1) == - (8 * 1024 * 1024)); + is_8mb = (resource_size(&op->resource[1]) == (8 * 1024 * 1024)); BUILD_BUG_ON(sizeof(par->mmap_map) != sizeof(__cg14_mmap_map)); - + memcpy(&par->mmap_map, &__cg14_mmap_map, sizeof(par->mmap_map)); for (i = 0; i < CG14_MMAP_ENTRIES; i++) { @@ -535,7 +527,7 @@ static int cg14_probe(struct platform_device *op) par->mode = MDI_8_PIX; par->ramsize = (is_8mb ? 0x800000 : 0x400000); - info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN; + info->flags = FBINFO_HWACCEL_YPAN; info->fbops = &cg14_ops; __cg14_reset(par); @@ -553,8 +545,8 @@ static int cg14_probe(struct platform_device *op) dev_set_drvdata(&op->dev, info); - printk(KERN_INFO "%s: cgfourteen at %lx:%lx, %dMB\n", - dp->full_name, + printk(KERN_INFO "%pOF: cgfourteen at %lx:%lx, %dMB\n", + dp, par->iospace, info->fix.smem_start, par->ramsize >> 20); @@ -571,7 +563,7 @@ out_err: return err; } -static int cg14_remove(struct platform_device *op) +static void cg14_remove(struct platform_device *op) { struct fb_info *info = dev_get_drvdata(&op->dev); struct cg14_par *par = info->par; @@ -582,8 +574,6 @@ static int cg14_remove(struct platform_device *op) cg14_unmap_regs(op, info, par); framebuffer_release(info); - - return 0; } static const struct of_device_id cg14_match[] = { |