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path: root/drivers/video/omap2/omapfb/omapfb-main.c
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Diffstat (limited to 'drivers/video/omap2/omapfb/omapfb-main.c')
-rw-r--r--drivers/video/omap2/omapfb/omapfb-main.c133
1 files changed, 76 insertions, 57 deletions
diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
index d17caef6915..4a76917b7cc 100644
--- a/drivers/video/omap2/omapfb/omapfb-main.c
+++ b/drivers/video/omap2/omapfb/omapfb-main.c
@@ -54,6 +54,8 @@ module_param_named(test, omapfb_test_pattern, bool, 0644);
#endif
static int omapfb_fb_init(struct omapfb2_device *fbdev, struct fb_info *fbi);
+static int omapfb_get_recommended_bpp(struct omapfb2_device *fbdev,
+ struct omap_dss_device *dssdev);
#ifdef DEBUG
static void draw_pixel(struct fb_info *fbi, int x, int y, unsigned color)
@@ -152,9 +154,9 @@ static void fill_fb(struct fb_info *fbi)
}
#endif
-static unsigned omapfb_get_vrfb_offset(struct omapfb_info *ofbi, int rot)
+static unsigned omapfb_get_vrfb_offset(const struct omapfb_info *ofbi, int rot)
{
- struct vrfb *vrfb = &ofbi->region.vrfb;
+ const struct vrfb *vrfb = &ofbi->region.vrfb;
unsigned offset;
switch (rot) {
@@ -179,7 +181,7 @@ static unsigned omapfb_get_vrfb_offset(struct omapfb_info *ofbi, int rot)
return offset;
}
-static u32 omapfb_get_region_rot_paddr(struct omapfb_info *ofbi, int rot)
+static u32 omapfb_get_region_rot_paddr(const struct omapfb_info *ofbi, int rot)
{
if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB) {
return ofbi->region.vrfb.paddr[rot]
@@ -189,7 +191,7 @@ static u32 omapfb_get_region_rot_paddr(struct omapfb_info *ofbi, int rot)
}
}
-static u32 omapfb_get_region_paddr(struct omapfb_info *ofbi)
+static u32 omapfb_get_region_paddr(const struct omapfb_info *ofbi)
{
if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB)
return ofbi->region.vrfb.paddr[0];
@@ -197,7 +199,7 @@ static u32 omapfb_get_region_paddr(struct omapfb_info *ofbi)
return ofbi->region.paddr;
}
-static void __iomem *omapfb_get_region_vaddr(struct omapfb_info *ofbi)
+static void __iomem *omapfb_get_region_vaddr(const struct omapfb_info *ofbi)
{
if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB)
return ofbi->region.vrfb.vaddr[0];
@@ -703,9 +705,9 @@ int check_fb_var(struct fb_info *fbi, struct fb_var_screeninfo *var)
var->width = -1;
var->grayscale = 0;
- if (display && display->get_timings) {
+ if (display && display->driver->get_timings) {
struct omap_video_timings timings;
- display->get_timings(display, &timings);
+ display->driver->get_timings(display, &timings);
/* pixclock in ps, the rest in pixclock */
var->pixclock = timings.pixel_clock != 0 ?
@@ -778,8 +780,8 @@ static int omapfb_release(struct fb_info *fbi, int user)
return 0;
}
-static unsigned calc_rotation_offset_dma(struct fb_var_screeninfo *var,
- struct fb_fix_screeninfo *fix, int rotation)
+static unsigned calc_rotation_offset_dma(const struct fb_var_screeninfo *var,
+ const struct fb_fix_screeninfo *fix, int rotation)
{
unsigned offset;
@@ -789,8 +791,8 @@ static unsigned calc_rotation_offset_dma(struct fb_var_screeninfo *var,
return offset;
}
-static unsigned calc_rotation_offset_vrfb(struct fb_var_screeninfo *var,
- struct fb_fix_screeninfo *fix, int rotation)
+static unsigned calc_rotation_offset_vrfb(const struct fb_var_screeninfo *var,
+ const struct fb_fix_screeninfo *fix, int rotation)
{
unsigned offset;
@@ -1221,11 +1223,11 @@ static int omapfb_blank(int blank, struct fb_info *fbi)
if (display->state != OMAP_DSS_DISPLAY_SUSPENDED)
goto exit;
- if (display->resume)
- r = display->resume(display);
+ if (display->driver->resume)
+ r = display->driver->resume(display);
- if (r == 0 && display->get_update_mode &&
- display->get_update_mode(display) ==
+ if (r == 0 && display->driver->get_update_mode &&
+ display->driver->get_update_mode(display) ==
OMAP_DSS_UPDATE_MANUAL)
do_update = 1;
@@ -1240,8 +1242,8 @@ static int omapfb_blank(int blank, struct fb_info *fbi)
if (display->state != OMAP_DSS_DISPLAY_ACTIVE)
goto exit;
- if (display->suspend)
- r = display->suspend(display);
+ if (display->driver->suspend)
+ r = display->driver->suspend(display);
break;
@@ -1252,11 +1254,11 @@ static int omapfb_blank(int blank, struct fb_info *fbi)
exit:
omapfb_unlock(fbdev);
- if (r == 0 && do_update && display->update) {
+ if (r == 0 && do_update && display->driver->update) {
u16 w, h;
- display->get_resolution(display, &w, &h);
+ display->driver->get_resolution(display, &w, &h);
- r = display->update(display, 0, 0, w, h);
+ r = display->driver->update(display, 0, 0, w, h);
}
return r;
@@ -1404,6 +1406,7 @@ static int omapfb_alloc_fbmem_display(struct fb_info *fbi, unsigned long size,
unsigned long paddr)
{
struct omapfb_info *ofbi = FB2OFB(fbi);
+ struct omapfb2_device *fbdev = ofbi->fbdev;
struct omap_dss_device *display;
int bytespp;
@@ -1412,7 +1415,7 @@ static int omapfb_alloc_fbmem_display(struct fb_info *fbi, unsigned long size,
if (!display)
return 0;
- switch (display->get_recommended_bpp(display)) {
+ switch (omapfb_get_recommended_bpp(fbdev, display)) {
case 16:
bytespp = 2;
break;
@@ -1427,7 +1430,7 @@ static int omapfb_alloc_fbmem_display(struct fb_info *fbi, unsigned long size,
if (!size) {
u16 w, h;
- display->get_resolution(display, &w, &h);
+ display->driver->get_resolution(display, &w, &h);
if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB) {
size = max(omap_vrfb_min_phys_size(w, h, bytespp),
@@ -1636,8 +1639,8 @@ int omapfb_realloc_fbmem(struct fb_info *fbi, unsigned long size, int type)
if (old_size == size && old_type == type)
return 0;
- if (display && display->sync)
- display->sync(display);
+ if (display && display->driver->sync)
+ display->driver->sync(display);
omapfb_free_fbmem(fbi);
@@ -1745,7 +1748,7 @@ static int omapfb_fb_init(struct omapfb2_device *fbdev, struct fb_info *fbi)
u16 w, h;
int rotation = (var->rotate + ofbi->rotation[0]) % 4;
- display->get_resolution(display, &w, &h);
+ display->driver->get_resolution(display, &w, &h);
if (rotation == FB_ROTATE_CW ||
rotation == FB_ROTATE_CCW) {
@@ -1760,7 +1763,7 @@ static int omapfb_fb_init(struct omapfb2_device *fbdev, struct fb_info *fbi)
var->yres_virtual = var->yres;
if (!var->bits_per_pixel) {
- switch (display->get_recommended_bpp(display)) {
+ switch (omapfb_get_recommended_bpp(fbdev, display)) {
case 16:
var->bits_per_pixel = 16;
break;
@@ -1828,7 +1831,7 @@ static void omapfb_free_resources(struct omapfb2_device *fbdev)
for (i = 0; i < fbdev->num_displays; i++) {
if (fbdev->displays[i]->state != OMAP_DSS_DISPLAY_DISABLED)
- fbdev->displays[i]->disable(fbdev->displays[i]);
+ fbdev->displays[i]->driver->disable(fbdev->displays[i]);
omap_dss_put_device(fbdev->displays[i]);
}
@@ -2011,7 +2014,8 @@ static int omapfb_mode_to_timings(const char *mode_str,
}
}
-static int omapfb_set_def_mode(struct omap_dss_device *display, char *mode_str)
+static int omapfb_set_def_mode(struct omapfb2_device *fbdev,
+ struct omap_dss_device *display, char *mode_str)
{
int r;
u8 bpp;
@@ -2021,20 +2025,37 @@ static int omapfb_set_def_mode(struct omap_dss_device *display, char *mode_str)
if (r)
return r;
- display->panel.recommended_bpp = bpp;
+ fbdev->bpp_overrides[fbdev->num_bpp_overrides].dssdev = display;
+ fbdev->bpp_overrides[fbdev->num_bpp_overrides].bpp = bpp;
+ ++fbdev->num_bpp_overrides;
- if (!display->check_timings || !display->set_timings)
+ if (!display->driver->check_timings || !display->driver->set_timings)
return -EINVAL;
- r = display->check_timings(display, &timings);
+ r = display->driver->check_timings(display, &timings);
if (r)
return r;
- display->set_timings(display, &timings);
+ display->driver->set_timings(display, &timings);
return 0;
}
+static int omapfb_get_recommended_bpp(struct omapfb2_device *fbdev,
+ struct omap_dss_device *dssdev)
+{
+ int i;
+
+ BUG_ON(dssdev->driver->get_recommended_bpp == NULL);
+
+ for (i = 0; i < fbdev->num_bpp_overrides; ++i) {
+ if (dssdev == fbdev->bpp_overrides[i].dssdev)
+ return fbdev->bpp_overrides[i].bpp;
+ }
+
+ return dssdev->driver->get_recommended_bpp(dssdev);
+}
+
static int omapfb_parse_def_modes(struct omapfb2_device *fbdev)
{
char *str, *options, *this_opt;
@@ -2073,7 +2094,7 @@ static int omapfb_parse_def_modes(struct omapfb2_device *fbdev)
break;
}
- r = omapfb_set_def_mode(display, mode_str);
+ r = omapfb_set_def_mode(fbdev, display, mode_str);
if (r)
break;
}
@@ -2111,18 +2132,23 @@ static int omapfb_probe(struct platform_device *pdev)
fbdev->dev = &pdev->dev;
platform_set_drvdata(pdev, fbdev);
+ r = 0;
fbdev->num_displays = 0;
dssdev = NULL;
for_each_dss_dev(dssdev) {
omap_dss_get_device(dssdev);
+
if (!dssdev->driver) {
dev_err(&pdev->dev, "no driver for display\n");
- r = -EINVAL;
- goto cleanup;
+ r = -ENODEV;
}
+
fbdev->displays[fbdev->num_displays++] = dssdev;
}
+ if (r)
+ goto cleanup;
+
if (fbdev->num_displays == 0) {
dev_err(&pdev->dev, "no displays\n");
r = -EINVAL;
@@ -2167,35 +2193,28 @@ static int omapfb_probe(struct platform_device *pdev)
}
if (def_display) {
-#ifndef CONFIG_FB_OMAP2_FORCE_AUTO_UPDATE
- u16 w, h;
-#endif
- r = def_display->enable(def_display);
- if (r)
+ struct omap_dss_driver *dssdrv = def_display->driver;
+
+ r = def_display->driver->enable(def_display);
+ if (r) {
dev_warn(fbdev->dev, "Failed to enable display '%s'\n",
def_display->name);
+ goto cleanup;
+ }
- /* set the update mode */
if (def_display->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) {
-#ifdef CONFIG_FB_OMAP2_FORCE_AUTO_UPDATE
- if (def_display->enable_te)
- def_display->enable_te(def_display, 1);
- if (def_display->set_update_mode)
- def_display->set_update_mode(def_display,
- OMAP_DSS_UPDATE_AUTO);
-#else /* MANUAL_UPDATE */
- if (def_display->enable_te)
- def_display->enable_te(def_display, 0);
- if (def_display->set_update_mode)
- def_display->set_update_mode(def_display,
+ u16 w, h;
+ if (dssdrv->enable_te)
+ dssdrv->enable_te(def_display, 1);
+ if (dssdrv->set_update_mode)
+ dssdrv->set_update_mode(def_display,
OMAP_DSS_UPDATE_MANUAL);
- def_display->get_resolution(def_display, &w, &h);
- def_display->update(def_display, 0, 0, w, h);
-#endif
+ dssdrv->get_resolution(def_display, &w, &h);
+ def_display->driver->update(def_display, 0, 0, w, h);
} else {
- if (def_display->set_update_mode)
- def_display->set_update_mode(def_display,
+ if (dssdrv->set_update_mode)
+ dssdrv->set_update_mode(def_display,
OMAP_DSS_UPDATE_AUTO);
}
}