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OMAP: DSS2: move memory_read()

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Move memory_read() 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>
This commit is contained in:
Tomi Valkeinen 2010-01-08 16:56:44 +02:00
parent 1a75ef422d
commit c75d9464c1
4 changed files with 12 additions and 39 deletions
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4
arch/arm/plat-omap/include/plat/display.h
View file

@ -495,10 +495,6 @@ struct omap_dss_device {
bool (*get_mirror)(struct omap_dss_device *dssdev);
int (*set_mirror)(struct omap_dss_device *dssdev, bool enable);
int (*memory_read)(struct omap_dss_device *dssdev,
void *buf, size_t size,
u16 x, u16 y, u16 w, u16 h);
int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
u32 (*get_wss)(struct omap_dss_device *dssdev);

13
drivers/video/omap2/displays/panel-taal.c
View file

@ -847,6 +847,10 @@ static int taal_memory_read(struct omap_dss_device *dssdev,
int first = 1;
int plen;
unsigned buf_used = 0;
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
if (!td->enabled)
return -ENODEV;
if (size < w * h * 3)
return -ENOMEM;
@ -855,6 +859,8 @@ static int taal_memory_read(struct omap_dss_device *dssdev,
dssdev->panel.timings.x_res *
dssdev->panel.timings.y_res * 3);
dsi_bus_lock();
/* plen 1 or 2 goes into short packet. until checksum error is fixed,
* use short packets. plen 32 works, but bigger packets seem to cause
* an error. */
@ -863,11 +869,11 @@ static int taal_memory_read(struct omap_dss_device *dssdev,
else
plen = 2;
taal_setup_update(dssdev, x, y, w, h);
taal_set_update_window(x, y, w, h);
r = dsi_vc_set_max_rx_packet_size(TCH, plen);
if (r)
return r;
goto err0;
while (buf_used < size) {
u8 dcs_cmd = first ? 0x2e : 0x3e;
@ -900,7 +906,8 @@ static int taal_memory_read(struct omap_dss_device *dssdev,
err:
dsi_vc_set_max_rx_packet_size(TCH, 1);
err0:
dsi_bus_unlock();
return r;
}

30
drivers/video/omap2/dss/dsi.c
View file

@ -3584,34 +3584,6 @@ static bool dsi_display_get_mirror(struct omap_dss_device *dssdev)
return dssdev->driver->get_mirror(dssdev);
}
static int dsi_display_memory_read(struct omap_dss_device *dssdev,
void *buf, size_t size,
u16 x, u16 y, u16 w, u16 h)
{
int r;
DSSDBGF("");
if (!dssdev->driver->memory_read)
return -EINVAL;
if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
return -EIO;
dsi_bus_lock();
r = dssdev->driver->memory_read(dssdev, buf, size,
x, y, w, h);
/* Memory read usually changes the update area. This will
* force the next update to re-set the update area */
dsi.active_update_region.dirty = true;
dsi_bus_unlock();
return r;
}
void dsi_get_overlay_fifo_thresholds(enum omap_plane plane,
u32 fifo_size, enum omap_burst_size *burst_size,
u32 *fifo_low, u32 *fifo_high)
@ -3646,8 +3618,6 @@ int dsi_init_display(struct omap_dss_device *dssdev)
dssdev->get_mirror = dsi_display_get_mirror;
dssdev->set_mirror = dsi_display_set_mirror;
dssdev->memory_read = dsi_display_memory_read;
/* XXX these should be figured out dynamically */
dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE |
OMAP_DSS_DISPLAY_CAP_TEAR_ELIM;

4
drivers/video/omap2/omapfb/omapfb-ioctl.c
View file

@ -374,7 +374,7 @@ static int omapfb_memory_read(struct fb_info *fbi,
void *buf;
int r;
if (!display || !display->memory_read)
if (!display || !display->driver->memory_read)
return -ENOENT;
if (!access_ok(VERIFY_WRITE, mr->buffer, mr->buffer_size))
@ -389,7 +389,7 @@ static int omapfb_memory_read(struct fb_info *fbi,
return -ENOMEM;
}
r = display->memory_read(display, buf, mr->buffer_size,
r = display->driver->memory_read(display, buf, mr->buffer_size,
mr->x, mr->y, mr->w, mr->h);
if (r > 0) {