summaryrefslogtreecommitdiff
path: root/drivers/video/fbdev/wmt_ge_rops.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/video/fbdev/wmt_ge_rops.c')
-rw-r--r--drivers/video/fbdev/wmt_ge_rops.c33
1 files changed, 30 insertions, 3 deletions
diff --git a/drivers/video/fbdev/wmt_ge_rops.c b/drivers/video/fbdev/wmt_ge_rops.c
index b70961901683..2bd26bfb2b46 100644
--- a/drivers/video/fbdev/wmt_ge_rops.c
+++ b/drivers/video/fbdev/wmt_ge_rops.c
@@ -7,12 +7,12 @@
* Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
*/
+#include <linux/export.h>
#include <linux/module.h>
#include <linux/fb.h>
#include <linux/io.h>
#include <linux/platform_device.h>
-#include "core/fb_draw.h"
#include "wmt_ge_rops.h"
#define GE_COMMAND_OFF 0x00
@@ -41,6 +41,33 @@
static void __iomem *regbase;
+/* from the spec it seems more like depth than bits per pixel */
+static inline unsigned long pixel_to_pat(u32 depth, u32 pixel, struct fb_info *p)
+{
+ switch (depth) {
+ case 1:
+ return ~0ul*pixel;
+ case 2:
+ return ~0ul/3*pixel;
+ case 4:
+ return ~0ul/15*pixel;
+ case 8:
+ return ~0ul/255*pixel;
+ case 12:
+ case 15:
+ case 16:
+ return ~0ul/0xffff*pixel;
+ case 18:
+ case 24:
+ return 0x1000001ul*pixel;
+ case 32:
+ return pixel;
+ default:
+ fb_warn_once(p, "%s: unsupported pixelformat %d\n", __func__, depth);
+ return 0;
+ }
+}
+
void wmt_ge_fillrect(struct fb_info *p, const struct fb_fillrect *rect)
{
unsigned long fg, pat;
@@ -54,7 +81,7 @@ void wmt_ge_fillrect(struct fb_info *p, const struct fb_fillrect *rect)
else
fg = rect->color;
- pat = pixel_to_pat(p->var.bits_per_pixel, fg);
+ pat = pixel_to_pat(p->var.bits_per_pixel, fg, p);
if (p->fbops->fb_sync)
p->fbops->fb_sync(p);
@@ -159,7 +186,7 @@ static const struct of_device_id wmt_dt_ids[] = {
static struct platform_driver wmt_ge_rops_driver = {
.probe = wmt_ge_rops_probe,
- .remove_new = wmt_ge_rops_remove,
+ .remove = wmt_ge_rops_remove,
.driver = {
.name = "wmt_ge_rops",
.of_match_table = wmt_dt_ids,