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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2022-07-18 09:23:19 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2022-07-19 13:19:11 +0200 |
| commit | 4652905f4e30ab7b4827faa38343fdafa90f2956 (patch) | |
| tree | 613139eaef611c07ee8841ffe4e083fa181badd3 | |
| parent | 5e01376124309b4dbd30d413f43c0d9c2f60edea (diff) | |
| download | linux-4652905f4e30ab7b4827faa38343fdafa90f2956.tar.gz linux-4652905f4e30ab7b4827faa38343fdafa90f2956.tar.bz2 linux-4652905f4e30ab7b4827faa38343fdafa90f2956.zip | |
video: Provide constants for VGA I/O range
Provide VGA_FB_ constants for the VGA framebuffer I/O range and convert
fbdev code. In the case of vga16fb, this is a rename of the existing
constants VGA_FB_PHYS and VGA_FB_PHYS_LEN.
v2:
* clarify relationship with old constants in vga16fb (Javier)
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220718072322.8927-9-tzimmermann@suse.de
| -rw-r--r-- | drivers/video/fbdev/core/fbmem.c | 4 | ||||
| -rw-r--r-- | drivers/video/fbdev/vga16fb.c | 15 | ||||
| -rw-r--r-- | include/video/vga.h | 2 |
3 files changed, 10 insertions, 11 deletions
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c index 4ed0960e6c05..6b0d5edcdafb 100644 --- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -39,6 +39,7 @@ #include <asm/fb.h> +#include <video/vga.h> /* * Frame buffer device initialization and setup routines @@ -1561,7 +1562,6 @@ static bool fb_do_apertures_overlap(struct apertures_struct *gena, static void do_unregister_framebuffer(struct fb_info *fb_info); -#define VGA_FB_PHYS 0xA0000 static void do_remove_conflicting_framebuffers(struct apertures_struct *a, const char *name, bool primary) { @@ -1580,7 +1580,7 @@ restart_removal: device = registered_fb[i]->device; if (fb_do_apertures_overlap(gen_aper, a) || (primary && gen_aper && gen_aper->count && - gen_aper->ranges[0].base == VGA_FB_PHYS)) { + gen_aper->ranges[0].base == VGA_FB_PHYS_BASE)) { printk(KERN_INFO "fb%d: switching to %s from %s\n", i, name, registered_fb[i]->fix.id); diff --git a/drivers/video/fbdev/vga16fb.c b/drivers/video/fbdev/vga16fb.c index 3312b6a4e00d..35cf51ae3292 100644 --- a/drivers/video/fbdev/vga16fb.c +++ b/drivers/video/fbdev/vga16fb.c @@ -25,9 +25,6 @@ #include <asm/io.h> #include <video/vga.h> -#define VGA_FB_PHYS 0xA0000 -#define VGA_FB_PHYS_LEN 65536 - #define MODE_SKIP4 1 #define MODE_8BPP 2 #define MODE_CFB 4 @@ -87,8 +84,8 @@ static struct fb_var_screeninfo vga16fb_defined = { /* name should not depend on EGA/VGA */ static const struct fb_fix_screeninfo vga16fb_fix = { .id = "VGA16 VGA", - .smem_start = VGA_FB_PHYS, - .smem_len = VGA_FB_PHYS_LEN, + .smem_start = VGA_FB_PHYS_BASE, + .smem_len = VGA_FB_PHYS_SIZE, .type = FB_TYPE_VGA_PLANES, .type_aux = FB_AUX_VGA_PLANES_VGA4, .visual = FB_VISUAL_PSEUDOCOLOR, @@ -1333,8 +1330,8 @@ static int vga16fb_probe(struct platform_device *dev) goto err_ioremap; } - /* XXX share VGA_FB_PHYS and I/O region with vgacon and others */ - info->screen_base = (void __iomem *)VGA_MAP_MEM(VGA_FB_PHYS, 0); + /* XXX share VGA_FB_PHYS_BASE and I/O region with vgacon and others */ + info->screen_base = (void __iomem *)VGA_MAP_MEM(VGA_FB_PHYS_BASE, 0); if (!info->screen_base) { printk(KERN_ERR "vga16fb: unable to map device\n"); @@ -1385,8 +1382,8 @@ static int vga16fb_probe(struct platform_device *dev) vga16fb_update_fix(info); - info->apertures->ranges[0].base = VGA_FB_PHYS; - info->apertures->ranges[0].size = VGA_FB_PHYS_LEN; + info->apertures->ranges[0].base = VGA_FB_PHYS_BASE; + info->apertures->ranges[0].size = VGA_FB_PHYS_SIZE; if (register_framebuffer(info) < 0) { printk(KERN_ERR "vga16fb: unable to register framebuffer\n"); diff --git a/include/video/vga.h b/include/video/vga.h index ef8e9fa9b9bd..947c0abd04ef 100644 --- a/include/video/vga.h +++ b/include/video/vga.h @@ -22,6 +22,8 @@ #include <asm/vga.h> #include <asm/byteorder.h> +#define VGA_FB_PHYS_BASE 0xA0000 /* VGA framebuffer I/O base */ +#define VGA_FB_PHYS_SIZE 65536 /* VGA framebuffer I/O size */ /* Some of the code below is taken from SVGAlib. The original, unmodified copyright notice for that code is below. */ |