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OMAP: DSS2: move set/get_wss()
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Move set/get_wss() from omap_dss_device to omap_dss_driver.

This is part of a larger patch-set, which moves the control from omapdss
driver to the display driver.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Tomi Valkeinen committed Feb 24, 2010
1 parent 37ac60e commit 3651131
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Showing 3 changed files with 41 additions and 40 deletions.
6 changes: 3 additions & 3 deletions arch/arm/plat-omap/include/plat/display.h
Original file line number Diff line number Diff line change
Expand Up @@ -469,9 +469,6 @@ struct omap_dss_device {
void (*get_timings)(struct omap_dss_device *dssdev,
struct omap_video_timings *timings);

int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
u32 (*get_wss)(struct omap_dss_device *dssdev);

/* platform specific */
int (*platform_enable)(struct omap_dss_device *dssdev);
void (*platform_disable)(struct omap_dss_device *dssdev);
Expand Down Expand Up @@ -516,6 +513,9 @@ struct omap_dss_driver {
void (*get_resolution)(struct omap_dss_device *dssdev,
u16 *xres, u16 *yres);
int (*get_recommended_bpp)(struct omap_dss_device *dssdev);

int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
u32 (*get_wss)(struct omap_dss_device *dssdev);
};

int omap_dss_register_driver(struct omap_dss_driver *);
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8 changes: 4 additions & 4 deletions drivers/video/omap2/dss/display.c
Original file line number Diff line number Diff line change
Expand Up @@ -247,10 +247,10 @@ static ssize_t display_wss_show(struct device *dev,
struct omap_dss_device *dssdev = to_dss_device(dev);
unsigned int wss;

if (!dssdev->get_wss)
if (!dssdev->driver->get_wss)
return -ENOENT;

wss = dssdev->get_wss(dssdev);
wss = dssdev->driver->get_wss(dssdev);

return snprintf(buf, PAGE_SIZE, "0x%05x\n", wss);
}
Expand All @@ -262,7 +262,7 @@ static ssize_t display_wss_store(struct device *dev,
unsigned long wss;
int r;

if (!dssdev->get_wss || !dssdev->set_wss)
if (!dssdev->driver->get_wss || !dssdev->driver->set_wss)
return -ENOENT;

if (strict_strtoul(buf, 0, &wss))
Expand All @@ -271,7 +271,7 @@ static ssize_t display_wss_store(struct device *dev,
if (wss > 0xfffff)
return -EINVAL;

r = dssdev->set_wss(dssdev, wss);
r = dssdev->driver->set_wss(dssdev, wss);
if (r)
return r;

Expand Down
67 changes: 34 additions & 33 deletions drivers/video/omap2/dss/venc.c
Original file line number Diff line number Diff line change
Expand Up @@ -557,6 +557,37 @@ static int venc_set_update_mode(struct omap_dss_device *dssdev,
return 0;
}

static u32 venc_get_wss(struct omap_dss_device *dssdev)
{
/* Invert due to VENC_L21_WC_CTL:INV=1 */
return (venc.wss_data >> 8) ^ 0xfffff;
}

static int venc_set_wss(struct omap_dss_device *dssdev, u32 wss)
{
const struct venc_config *config;

DSSDBG("venc_set_wss\n");

mutex_lock(&venc.venc_lock);

config = venc_timings_to_config(&dssdev->panel.timings);

/* Invert due to VENC_L21_WC_CTL:INV=1 */
venc.wss_data = (wss ^ 0xfffff) << 8;

venc_enable_clocks(1);

venc_write_reg(VENC_BSTAMP_WSS_DATA, config->bstamp_wss_data |
venc.wss_data);

venc_enable_clocks(0);

mutex_unlock(&venc.venc_lock);

return 0;
}

static struct omap_dss_driver venc_driver = {
.probe = venc_panel_probe,
.remove = venc_panel_remove,
Expand All @@ -572,6 +603,9 @@ static struct omap_dss_driver venc_driver = {
.set_update_mode = venc_set_update_mode,
.get_update_mode = venc_get_update_mode,

.get_wss = venc_get_wss,
.set_wss = venc_set_wss,

.driver = {
.name = "venc",
.owner = THIS_MODULE,
Expand Down Expand Up @@ -656,46 +690,13 @@ static int venc_check_timings(struct omap_dss_device *dssdev,
return -EINVAL;
}

static u32 venc_get_wss(struct omap_dss_device *dssdev)
{
/* Invert due to VENC_L21_WC_CTL:INV=1 */
return (venc.wss_data >> 8) ^ 0xfffff;
}

static int venc_set_wss(struct omap_dss_device *dssdev, u32 wss)
{
const struct venc_config *config;

DSSDBG("venc_set_wss\n");

mutex_lock(&venc.venc_lock);

config = venc_timings_to_config(&dssdev->panel.timings);

/* Invert due to VENC_L21_WC_CTL:INV=1 */
venc.wss_data = (wss ^ 0xfffff) << 8;

venc_enable_clocks(1);

venc_write_reg(VENC_BSTAMP_WSS_DATA, config->bstamp_wss_data |
venc.wss_data);

venc_enable_clocks(0);

mutex_unlock(&venc.venc_lock);

return 0;
}

int venc_init_display(struct omap_dss_device *dssdev)
{
DSSDBG("init_display\n");

dssdev->get_timings = venc_get_timings;
dssdev->set_timings = venc_set_timings;
dssdev->check_timings = venc_check_timings;
dssdev->get_wss = venc_get_wss;
dssdev->set_wss = venc_set_wss;

return 0;
}
Expand Down

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