aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/video/omap2/dss/manager.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-30 22:30:01 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-30 22:30:01 (GMT)
commitacff987d94cbdb4049f3706bed1f1792f8ef6837 (patch)
tree36bded977aab5d80cf9aeb5467f83dd554a25d01 /drivers/video/omap2/dss/manager.c
parentce949717b559709423c1ef716a9db16d1dcadaed (diff)
parentb57287ba497b63a0d87a058631bbddfed9392e9f (diff)
Merge branch 'fbdev-next' of git://github.com/schandinat/linux-2.6
* 'fbdev-next' of git://github.com/schandinat/linux-2.6: (270 commits) video: platinumfb: Add __devexit_p at necessary place drivers/video: fsl-diu-fb: merge diu_pool into fsl_diu_data drivers/video: fsl-diu-fb: merge diu_hw into fsl_diu_data drivers/video: fsl-diu-fb: only DIU modes 0 and 1 are supported drivers/video: fsl-diu-fb: remove unused panel operating mode support drivers/video: fsl-diu-fb: use an enum for the AOI index drivers/video: fsl-diu-fb: add several new video modes drivers/video: fsl-diu-fb: remove broken screen blanking support drivers/video: fsl-diu-fb: move some definitions out of the header file drivers/video: fsl-diu-fb: fix some ioctls video: da8xx-fb: Increased resolution configuration of revised LCDC IP OMAPDSS: picodlp: add missing #include <linux/module.h> fb: fix au1100fb bitrot. mx3fb: fix NULL pointer dereference in screen blanking. video: irq: Remove IRQF_DISABLED smscufx: change edid data to u8 instead of char OMAPDSS: DISPC: zorder support for DSS overlays OMAPDSS: DISPC: VIDEO3 pipeline support OMAPDSS/OMAP_VOUT: Fix incorrect OMAP3-alpha compatibility setting video/omap: fix build dependencies ... Fix up conflicts in: - drivers/staging/xgifb/XGI_main_26.c Changes to XGIfb_pan_var() - drivers/video/omap/{lcd_apollon.c,lcd_ldp.c,lcd_overo.c} Removed (or in the case of apollon.c, merged into the generic DSS panel in drivers/video/omap2/displays/panel-generic-dpi.c)
Diffstat (limited to 'drivers/video/omap2/dss/manager.c')
-rw-r--r--drivers/video/omap2/dss/manager.c191
1 files changed, 81 insertions, 110 deletions
diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c
index 13d72d5..6e63845 100644
--- a/drivers/video/omap2/dss/manager.c
+++ b/drivers/video/omap2/dss/manager.c
@@ -106,7 +106,7 @@ put_device:
static ssize_t manager_default_color_show(struct omap_overlay_manager *mgr,
char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%d\n", mgr->info.default_color);
+ return snprintf(buf, PAGE_SIZE, "%#x\n", mgr->info.default_color);
}
static ssize_t manager_default_color_store(struct omap_overlay_manager *mgr,
@@ -116,8 +116,9 @@ static ssize_t manager_default_color_store(struct omap_overlay_manager *mgr,
u32 color;
int r;
- if (sscanf(buf, "%d", &color) != 1)
- return -EINVAL;
+ r = kstrtouint(buf, 0, &color);
+ if (r)
+ return r;
mgr->get_manager_info(mgr, &info);
@@ -184,7 +185,7 @@ static ssize_t manager_trans_key_type_store(struct omap_overlay_manager *mgr,
static ssize_t manager_trans_key_value_show(struct omap_overlay_manager *mgr,
char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%d\n", mgr->info.trans_key);
+ return snprintf(buf, PAGE_SIZE, "%#x\n", mgr->info.trans_key);
}
static ssize_t manager_trans_key_value_store(struct omap_overlay_manager *mgr,
@@ -194,8 +195,9 @@ static ssize_t manager_trans_key_value_store(struct omap_overlay_manager *mgr,
u32 key_value;
int r;
- if (sscanf(buf, "%d", &key_value) != 1)
- return -EINVAL;
+ r = kstrtouint(buf, 0, &key_value);
+ if (r)
+ return r;
mgr->get_manager_info(mgr, &info);
@@ -222,15 +224,16 @@ static ssize_t manager_trans_key_enabled_store(struct omap_overlay_manager *mgr,
const char *buf, size_t size)
{
struct omap_overlay_manager_info info;
- int enable;
+ bool enable;
int r;
- if (sscanf(buf, "%d", &enable) != 1)
- return -EINVAL;
+ r = strtobool(buf, &enable);
+ if (r)
+ return r;
mgr->get_manager_info(mgr, &info);
- info.trans_enabled = enable ? true : false;
+ info.trans_enabled = enable;
r = mgr->set_manager_info(mgr, &info);
if (r)
@@ -246,7 +249,10 @@ static ssize_t manager_trans_key_enabled_store(struct omap_overlay_manager *mgr,
static ssize_t manager_alpha_blending_enabled_show(
struct omap_overlay_manager *mgr, char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%d\n", mgr->info.alpha_enabled);
+ WARN_ON(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER));
+
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ mgr->info.partial_alpha_enabled);
}
static ssize_t manager_alpha_blending_enabled_store(
@@ -254,15 +260,18 @@ static ssize_t manager_alpha_blending_enabled_store(
const char *buf, size_t size)
{
struct omap_overlay_manager_info info;
- int enable;
+ bool enable;
int r;
- if (sscanf(buf, "%d", &enable) != 1)
- return -EINVAL;
+ WARN_ON(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER));
+
+ r = strtobool(buf, &enable);
+ if (r)
+ return r;
mgr->get_manager_info(mgr, &info);
- info.alpha_enabled = enable ? true : false;
+ info.partial_alpha_enabled = enable;
r = mgr->set_manager_info(mgr, &info);
if (r)
@@ -285,19 +294,16 @@ static ssize_t manager_cpr_enable_store(struct omap_overlay_manager *mgr,
const char *buf, size_t size)
{
struct omap_overlay_manager_info info;
- int v;
int r;
bool enable;
if (!dss_has_feature(FEAT_CPR))
return -ENODEV;
- r = kstrtoint(buf, 0, &v);
+ r = strtobool(buf, &enable);
if (r)
return r;
- enable = !!v;
-
mgr->get_manager_info(mgr, &info);
if (info.cpr_enable == enable)
@@ -586,6 +592,13 @@ static int omap_dss_unset_device(struct omap_overlay_manager *mgr)
return -EINVAL;
}
+ /*
+ * Don't allow currently enabled displays to have the overlay manager
+ * pulled out from underneath them
+ */
+ if (mgr->device->state != OMAP_DSS_DISPLAY_DISABLED)
+ return -EINVAL;
+
mgr->device->manager = NULL;
mgr->device = NULL;
mgr->device_changed = true;
@@ -801,7 +814,7 @@ static int configure_overlay(enum omap_plane plane)
{
struct overlay_cache_data *c;
struct manager_cache_data *mc;
- struct omap_overlay_info *oi;
+ struct omap_overlay_info *oi, new_oi;
struct omap_overlay_manager_info *mi;
u16 outw, outh;
u16 x, y, w, h;
@@ -815,7 +828,7 @@ static int configure_overlay(enum omap_plane plane)
oi = &c->info;
if (!c->enabled) {
- dispc_enable_plane(plane, 0);
+ dispc_ovl_enable(plane, 0);
return 0;
}
@@ -843,7 +856,7 @@ static int configure_overlay(enum omap_plane plane)
/* If the overlay is outside the update region, disable it */
if (!rectangle_intersects(mc->x, mc->y, mc->w, mc->h,
x, y, outw, outh)) {
- dispc_enable_plane(plane, 0);
+ dispc_ovl_enable(plane, 0);
return 0;
}
@@ -921,34 +934,27 @@ static int configure_overlay(enum omap_plane plane)
}
}
- r = dispc_setup_plane(plane,
- paddr,
- oi->screen_width,
- x, y,
- w, h,
- outw, outh,
- oi->color_mode,
- c->ilace,
- oi->rotation_type,
- oi->rotation,
- oi->mirror,
- oi->global_alpha,
- oi->pre_mult_alpha,
- c->channel,
- oi->p_uv_addr);
+ new_oi = *oi;
+
+ /* update new_oi members which could have been possibly updated */
+ new_oi.pos_x = x;
+ new_oi.pos_y = y;
+ new_oi.width = w;
+ new_oi.height = h;
+ new_oi.out_width = outw;
+ new_oi.out_height = outh;
+ new_oi.paddr = paddr;
+ r = dispc_ovl_setup(plane, &new_oi, c->ilace, c->channel,
+ c->replication, c->fifo_low, c->fifo_high);
if (r) {
/* this shouldn't happen */
- DSSERR("dispc_setup_plane failed for ovl %d\n", plane);
- dispc_enable_plane(plane, 0);
+ DSSERR("dispc_ovl_setup failed for ovl %d\n", plane);
+ dispc_ovl_enable(plane, 0);
return r;
}
- dispc_enable_replication(plane, c->replication);
-
- dispc_set_fifo_threshold(plane, c->fifo_low, c->fifo_high);
-
- dispc_enable_plane(plane, 1);
+ dispc_ovl_enable(plane, 1);
return 0;
}
@@ -962,13 +968,13 @@ static void configure_manager(enum omap_channel channel)
/* picking info from the cache */
mi = &dss_cache.manager_cache[channel].info;
- dispc_set_default_color(channel, mi->default_color);
- dispc_set_trans_key(channel, mi->trans_key_type, mi->trans_key);
- dispc_enable_trans_key(channel, mi->trans_enabled);
- dispc_enable_alpha_blending(channel, mi->alpha_enabled);
+ dispc_mgr_set_default_color(channel, mi->default_color);
+ dispc_mgr_set_trans_key(channel, mi->trans_key_type, mi->trans_key);
+ dispc_mgr_enable_trans_key(channel, mi->trans_enabled);
+ dispc_mgr_enable_alpha_fixed_zorder(channel, mi->partial_alpha_enabled);
if (dss_has_feature(FEAT_CPR)) {
- dispc_enable_cpr(channel, mi->cpr_enable);
- dispc_set_cpr_coef(channel, &mi->cpr_coefs);
+ dispc_mgr_enable_cpr(channel, mi->cpr_enable);
+ dispc_mgr_set_cpr_coef(channel, &mi->cpr_coefs);
}
}
@@ -992,7 +998,7 @@ static int configure_dispc(void)
busy = false;
for (i = 0; i < num_mgrs; i++) {
- mgr_busy[i] = dispc_go_busy(i);
+ mgr_busy[i] = dispc_mgr_go_busy(i);
mgr_go[i] = false;
}
@@ -1053,7 +1059,7 @@ static int configure_dispc(void)
* always be turned off after frame, and new settings will be
* taken in to use at next update */
if (!mc->manual_update)
- dispc_go(i);
+ dispc_mgr_go(i);
}
if (busy)
@@ -1258,7 +1264,7 @@ static void dss_apply_irq_handler(void *data, u32 mask)
u32 irq_mask;
for (i = 0; i < num_mgrs; i++)
- mgr_busy[i] = dispc_go_busy(i);
+ mgr_busy[i] = dispc_mgr_go_busy(i);
spin_lock(&dss_cache.lock);
@@ -1280,7 +1286,7 @@ static void dss_apply_irq_handler(void *data, u32 mask)
/* re-read busy flags */
for (i = 0; i < num_mgrs; i++)
- mgr_busy[i] = dispc_go_busy(i);
+ mgr_busy[i] = dispc_mgr_go_busy(i);
/* keep running as long as there are busy managers, so that
* we can collect overlay-applied information */
@@ -1326,11 +1332,13 @@ static int omap_dss_mgr_apply(struct omap_overlay_manager *mgr)
ovl = omap_dss_get_overlay(i);
- if (!(ovl->caps & OMAP_DSS_OVL_CAP_DISPC))
- continue;
-
oc = &dss_cache.overlay_cache[ovl->id];
+ if (ovl->manager_changed) {
+ ovl->manager_changed = false;
+ ovl->info_dirty = true;
+ }
+
if (!overlay_enabled(ovl)) {
if (oc->enabled) {
oc->enabled = false;
@@ -1375,9 +1383,6 @@ static int omap_dss_mgr_apply(struct omap_overlay_manager *mgr)
list_for_each_entry(mgr, &manager_list, list) {
struct omap_dss_device *dssdev;
- if (!(mgr->caps & OMAP_DSS_OVL_MGR_CAP_DISPC))
- continue;
-
mc = &dss_cache.manager_cache[mgr->id];
if (mgr->device_changed) {
@@ -1423,9 +1428,6 @@ static int omap_dss_mgr_apply(struct omap_overlay_manager *mgr)
ovl = omap_dss_get_overlay(i);
- if (!(ovl->caps & OMAP_DSS_OVL_CAP_DISPC))
- continue;
-
oc = &dss_cache.overlay_cache[ovl->id];
if (!oc->enabled)
@@ -1433,11 +1435,11 @@ static int omap_dss_mgr_apply(struct omap_overlay_manager *mgr)
dssdev = ovl->manager->device;
- size = dispc_get_plane_fifo_size(ovl->id);
+ size = dispc_ovl_get_fifo_size(ovl->id);
if (use_fifomerge)
size *= 3;
- burst_size = dispc_get_burst_size(ovl->id);
+ burst_size = dispc_ovl_get_burst_size(ovl->id);
switch (dssdev->type) {
case OMAP_DISPLAY_TYPE_DPI:
@@ -1484,12 +1486,17 @@ static int omap_dss_mgr_apply(struct omap_overlay_manager *mgr)
static int dss_check_manager(struct omap_overlay_manager *mgr)
{
- /* OMAP supports only graphics source transparency color key and alpha
- * blending simultaneously. See TRM 15.4.2.4.2.2 Alpha Mode */
-
- if (mgr->info.alpha_enabled && mgr->info.trans_enabled &&
- mgr->info.trans_key_type != OMAP_DSS_COLOR_KEY_GFX_DST)
- return -EINVAL;
+ if (dss_has_feature(FEAT_ALPHA_FIXED_ZORDER)) {
+ /*
+ * OMAP3 supports only graphics source transparency color key
+ * and alpha blending simultaneously. See TRM 15.4.2.4.2.2
+ * Alpha Mode
+ */
+ if (mgr->info.partial_alpha_enabled && mgr->info.trans_enabled
+ && mgr->info.trans_key_type !=
+ OMAP_DSS_COLOR_KEY_GFX_DST)
+ return -EINVAL;
+ }
return 0;
}
@@ -1522,13 +1529,13 @@ static void omap_dss_mgr_get_info(struct omap_overlay_manager *mgr,
static int dss_mgr_enable(struct omap_overlay_manager *mgr)
{
- dispc_enable_channel(mgr->id, 1);
+ dispc_mgr_enable(mgr->id, 1);
return 0;
}
static int dss_mgr_disable(struct omap_overlay_manager *mgr)
{
- dispc_enable_channel(mgr->id, 0);
+ dispc_mgr_enable(mgr->id, 0);
return 0;
}
@@ -1580,7 +1587,7 @@ int dss_init_overlay_managers(struct platform_device *pdev)
mgr->enable = &dss_mgr_enable;
mgr->disable = &dss_mgr_disable;
- mgr->caps = OMAP_DSS_OVL_MGR_CAP_DISPC;
+ mgr->caps = 0;
mgr->supported_displays =
dss_feat_get_supported_displays(mgr->id);
@@ -1597,42 +1604,6 @@ int dss_init_overlay_managers(struct platform_device *pdev)
}
}
-#ifdef L4_EXAMPLE
- {
- int omap_dss_mgr_apply_l4(struct omap_overlay_manager *mgr)
- {
- DSSDBG("omap_dss_mgr_apply_l4(%s)\n", mgr->name);
-
- return 0;
- }
-
- struct omap_overlay_manager *mgr;
- mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
-
- BUG_ON(mgr == NULL);
-
- mgr->name = "l4";
- mgr->supported_displays =
- OMAP_DISPLAY_TYPE_DBI | OMAP_DISPLAY_TYPE_DSI;
-
- mgr->set_device = &omap_dss_set_device;
- mgr->unset_device = &omap_dss_unset_device;
- mgr->apply = &omap_dss_mgr_apply_l4;
- mgr->set_manager_info = &omap_dss_mgr_set_info;
- mgr->get_manager_info = &omap_dss_mgr_get_info;
-
- dss_overlay_setup_l4_manager(mgr);
-
- omap_dss_add_overlay_manager(mgr);
-
- r = kobject_init_and_add(&mgr->kobj, &manager_ktype,
- &pdev->dev.kobj, "managerl4");
-
- if (r)
- DSSERR("failed to create sysfs file\n");
- }
-#endif
-
return 0;
}

Privacy Policy