summaryrefslogtreecommitdiffstats
path: root/drivers/video
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/omap2/dss/Makefile7
-rw-r--r--drivers/video/omap2/dss/apply.c246
-rw-r--r--drivers/video/omap2/dss/core.c15
-rw-r--r--drivers/video/omap2/dss/dispc-compat.c667
-rw-r--r--drivers/video/omap2/dss/dispc-compat.h30
-rw-r--r--drivers/video/omap2/dss/dispc.c732
-rw-r--r--drivers/video/omap2/dss/display.c20
-rw-r--r--drivers/video/omap2/dss/dpi.c2
-rw-r--r--drivers/video/omap2/dss/dsi.c26
-rw-r--r--drivers/video/omap2/dss/dss.h70
-rw-r--r--drivers/video/omap2/dss/dss_features.c6
-rw-r--r--drivers/video/omap2/dss/dss_features.h5
-rw-r--r--drivers/video/omap2/dss/manager.c39
-rw-r--r--drivers/video/omap2/dss/output.c65
-rw-r--r--drivers/video/omap2/dss/overlay.c17
-rw-r--r--drivers/video/omap2/dss/rfbi.c12
-rw-r--r--drivers/video/omap2/omapfb/omapfb-main.c6
17 files changed, 1099 insertions, 866 deletions
diff --git a/drivers/video/omap2/dss/Makefile b/drivers/video/omap2/dss/Makefile
index af866d0b794..61949ff7940 100644
--- a/drivers/video/omap2/dss/Makefile
+++ b/drivers/video/omap2/dss/Makefile
@@ -1,7 +1,10 @@
obj-$(CONFIG_OMAP2_DSS) += omapdss.o
+# Core DSS files
omapdss-y := core.o dss.o dss_features.o dispc.o dispc_coefs.o display.o \
- manager.o manager-sysfs.o overlay.o overlay-sysfs.o output.o apply.o \
- display-sysfs.o
+ output.o
+# DSS compat layer files
+omapdss-y += manager.o manager-sysfs.o overlay.o overlay-sysfs.o apply.o \
+ dispc-compat.o display-sysfs.o
omapdss-$(CONFIG_OMAP2_DSS_DPI) += dpi.o
omapdss-$(CONFIG_OMAP2_DSS_RFBI) += rfbi.o
omapdss-$(CONFIG_OMAP2_DSS_VENC) += venc.o venc_panel.o
diff --git a/drivers/video/omap2/dss/apply.c b/drivers/video/omap2/dss/apply.c
index 4a5cc5c64d4..d446bdfc4c8 100644
--- a/drivers/video/omap2/dss/apply.c
+++ b/drivers/video/omap2/dss/apply.c
@@ -18,6 +18,7 @@
#define DSS_SUBSYS_NAME "APPLY"
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/jiffies.h>
@@ -26,6 +27,7 @@
#include "dss.h"
#include "dss_features.h"
+#include "dispc-compat.h"
/*
* We have 4 levels of cache for the dispc settings. First two are in SW and
@@ -104,6 +106,9 @@ struct mgr_priv_data {
struct omap_video_timings timings;
struct dss_lcd_mgr_config lcd_config;
+
+ void (*framedone_handler)(void *);
+ void *framedone_handler_data;
};
static struct {
@@ -131,7 +136,7 @@ static struct mgr_priv_data *get_mgr_priv(struct omap_overlay_manager *mgr)
return &dss_data.mgr_priv_data_array[mgr->id];
}
-void dss_apply_init(void)
+static void apply_init_priv(void)
{
const int num_ovls = dss_feat_get_num_ovls();
struct mgr_priv_data *mp;
@@ -415,7 +420,44 @@ static void wait_pending_extra_info_updates(void)
DSSWARN("timeout in wait_pending_extra_info_updates\n");
}
-int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr)
+static inline struct omap_dss_device *dss_ovl_get_device(struct omap_overlay *ovl)
+{
+ return ovl->manager ?
+ (ovl->manager->output ? ovl->manager->output->device : NULL) :
+ NULL;
+}
+
+static inline struct omap_dss_device *dss_mgr_get_device(struct omap_overlay_manager *mgr)
+{
+ return mgr->output ? mgr->output->device : NULL;
+}
+
+static int dss_mgr_wait_for_vsync(struct omap_overlay_manager *mgr)
+{
+ unsigned long timeout = msecs_to_jiffies(500);
+ struct omap_dss_device *dssdev = mgr->get_device(mgr);
+ u32 irq;
+ int r;
+
+ r = dispc_runtime_get();
+ if (r)
+ return r;
+
+ if (dssdev->type == OMAP_DISPLAY_TYPE_VENC)
+ irq = DISPC_IRQ_EVSYNC_ODD;
+ else if (dssdev->type == OMAP_DISPLAY_TYPE_HDMI)
+ irq = DISPC_IRQ_EVSYNC_EVEN;
+ else
+ irq = dispc_mgr_get_vsync_irq(mgr->id);
+
+ r = omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout);
+
+ dispc_runtime_put();
+
+ return r;
+}
+
+static int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr)
{
unsigned long timeout = msecs_to_jiffies(500);
struct mgr_priv_data *mp = get_mgr_priv(mgr);
@@ -485,7 +527,7 @@ int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr)
return r;
}
-int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl)
+static int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl)
{
unsigned long timeout = msecs_to_jiffies(500);
struct ovl_priv_data *op;
@@ -743,7 +785,7 @@ static void mgr_clear_shadow_dirty(struct omap_overlay_manager *mgr)
}
}
-void dss_mgr_start_update(struct omap_overlay_manager *mgr)
+static void dss_mgr_start_update_compat(struct omap_overlay_manager *mgr)
{
struct mgr_priv_data *mp = get_mgr_priv(mgr);
unsigned long flags;
@@ -850,6 +892,21 @@ static void dss_apply_irq_handler(void *data, u32 mask)
if (!extra_updating)
complete_all(&extra_updated_completion);
+ /* call framedone handlers for manual update displays */
+ for (i = 0; i < num_mgrs; i++) {
+ struct omap_overlay_manager *mgr;
+ struct mgr_priv_data *mp;
+
+ mgr = omap_dss_get_overlay_manager(i);
+ mp = get_mgr_priv(mgr);
+
+ if (!mgr_manual_update(mgr) || !mp->framedone_handler)
+ continue;
+
+ if (mask & dispc_mgr_get_framedone_irq(i))
+ mp->framedone_handler(mp->framedone_handler_data);
+ }
+
if (!need_isr())
dss_unregister_vsync_isr();
@@ -884,7 +941,7 @@ static void omap_dss_mgr_apply_mgr(struct omap_overlay_manager *mgr)
mp->info = mp->user_info;
}
-int omap_dss_mgr_apply(struct omap_overlay_manager *mgr)
+static int omap_dss_mgr_apply(struct omap_overlay_manager *mgr)
{
unsigned long flags;
struct omap_overlay *ovl;
@@ -983,7 +1040,7 @@ static void dss_setup_fifos(void)
}
}
-int dss_mgr_enable(struct omap_overlay_manager *mgr)
+static int dss_mgr_enable_compat(struct omap_overlay_manager *mgr)
{
struct mgr_priv_data *mp = get_mgr_priv(mgr);
unsigned long flags;
@@ -1033,7 +1090,7 @@ err:
return r;
}
-void dss_mgr_disable(struct omap_overlay_manager *mgr)
+static void dss_mgr_disable_compat(struct omap_overlay_manager *mgr)
{
struct mgr_priv_data *mp = get_mgr_priv(mgr);
unsigned long flags;
@@ -1057,7 +1114,7 @@ out:
mutex_unlock(&apply_lock);
}
-int dss_mgr_set_info(struct omap_overlay_manager *mgr,
+static int dss_mgr_set_info(struct omap_overlay_manager *mgr,
struct omap_overlay_manager_info *info)
{
struct mgr_priv_data *mp = get_mgr_priv(mgr);
@@ -1078,7 +1135,7 @@ int dss_mgr_set_info(struct omap_overlay_manager *mgr,
return 0;
}
-void dss_mgr_get_info(struct omap_overlay_manager *mgr,
+static void dss_mgr_get_info(struct omap_overlay_manager *mgr,
struct omap_overlay_manager_info *info)
{
struct mgr_priv_data *mp = get_mgr_priv(mgr);
@@ -1091,7 +1148,7 @@ void dss_mgr_get_info(struct omap_overlay_manager *mgr,
spin_unlock_irqrestore(&data_lock, flags);
}
-int dss_mgr_set_output(struct omap_overlay_manager *mgr,
+static int dss_mgr_set_output(struct omap_overlay_manager *mgr,
struct omap_dss_output *output)
{
int r;
@@ -1123,7 +1180,7 @@ err:
return r;
}
-int dss_mgr_unset_output(struct omap_overlay_manager *mgr)
+static int dss_mgr_unset_output(struct omap_overlay_manager *mgr)
{
int r;
struct mgr_priv_data *mp = get_mgr_priv(mgr);
@@ -1170,7 +1227,7 @@ static void dss_apply_mgr_timings(struct omap_overlay_manager *mgr,
mp->extra_info_dirty = true;
}
-void dss_mgr_set_timings(struct omap_overlay_manager *mgr,
+static void dss_mgr_set_timings_compat(struct omap_overlay_manager *mgr,
const struct omap_video_timings *timings)
{
unsigned long flags;
@@ -1198,7 +1255,7 @@ static void dss_apply_mgr_lcd_config(struct omap_overlay_manager *mgr,
mp->extra_info_dirty = true;
}
-void dss_mgr_set_lcd_config(struct omap_overlay_manager *mgr,
+static void dss_mgr_set_lcd_config_compat(struct omap_overlay_manager *mgr,
const struct dss_lcd_mgr_config *config)
{
unsigned long flags;
@@ -1217,7 +1274,7 @@ out:
spin_unlock_irqrestore(&data_lock, flags);
}
-int dss_ovl_set_info(struct omap_overlay *ovl,
+static int dss_ovl_set_info(struct omap_overlay *ovl,
struct omap_overlay_info *info)
{
struct ovl_priv_data *op = get_ovl_priv(ovl);
@@ -1238,7 +1295,7 @@ int dss_ovl_set_info(struct omap_overlay *ovl,
return 0;
}
-void dss_ovl_get_info(struct omap_overlay *ovl,
+static void dss_ovl_get_info(struct omap_overlay *ovl,
struct omap_overlay_info *info)
{
struct ovl_priv_data *op = get_ovl_priv(ovl);
@@ -1251,7 +1308,7 @@ void dss_ovl_get_info(struct omap_overlay *ovl,
spin_unlock_irqrestore(&data_lock, flags);
}
-int dss_ovl_set_manager(struct omap_overlay *ovl,
+static int dss_ovl_set_manager(struct omap_overlay *ovl,
struct omap_overlay_manager *mgr)
{
struct ovl_priv_data *op = get_ovl_priv(ovl);
@@ -1303,7 +1360,7 @@ err:
return r;
}
-int dss_ovl_unset_manager(struct omap_overlay *ovl)
+static int dss_ovl_unset_manager(struct omap_overlay *ovl)
{
struct ovl_priv_data *op = get_ovl_priv(ovl);
unsigned long flags;
@@ -1363,7 +1420,7 @@ err:
return r;
}
-bool dss_ovl_is_enabled(struct omap_overlay *ovl)
+static bool dss_ovl_is_enabled(struct omap_overlay *ovl)
{
struct ovl_priv_data *op = get_ovl_priv(ovl);
unsigned long flags;
@@ -1378,7 +1435,7 @@ bool dss_ovl_is_enabled(struct omap_overlay *ovl)
return e;
}
-int dss_ovl_enable(struct omap_overlay *ovl)
+static int dss_ovl_enable(struct omap_overlay *ovl)
{
struct ovl_priv_data *op = get_ovl_priv(ovl);
unsigned long flags;
@@ -1428,7 +1485,7 @@ err1:
return r;
}
-int dss_ovl_disable(struct omap_overlay *ovl)
+static int dss_ovl_disable(struct omap_overlay *ovl)
{
struct ovl_priv_data *op = get_ovl_priv(ovl);
unsigned long flags;
@@ -1463,3 +1520,152 @@ err:
return r;
}
+static int dss_mgr_register_framedone_handler_compat(struct omap_overlay_manager *mgr,
+ void (*handler)(void *), void *data)
+{
+ struct mgr_priv_data *mp = get_mgr_priv(mgr);
+
+ if (mp->framedone_handler)
+ return -EBUSY;
+
+ mp->framedone_handler = handler;
+ mp->framedone_handler_data = data;
+
+ return 0;
+}
+
+static void dss_mgr_unregister_framedone_handler_compat(struct omap_overlay_manager *mgr,
+ void (*handler)(void *), void *data)
+{
+ struct mgr_priv_data *mp = get_mgr_priv(mgr);
+
+ WARN_ON(mp->framedone_handler != handler ||
+ mp->framedone_handler_data != data);
+
+ mp->framedone_handler = NULL;
+ mp->framedone_handler_data = NULL;
+}
+
+static const struct dss_mgr_ops apply_mgr_ops = {
+ .start_update = dss_mgr_start_update_compat,
+ .enable = dss_mgr_enable_compat,
+ .disable = dss_mgr_disable_compat,
+ .set_timings = dss_mgr_set_timings_compat,
+ .set_lcd_config = dss_mgr_set_lcd_config_compat,
+ .register_framedone_handler = dss_mgr_register_framedone_handler_compat,
+ .unregister_framedone_handler = dss_mgr_unregister_framedone_handler_compat,
+};
+
+static int compat_refcnt;
+static DEFINE_MUTEX(compat_init_lock);
+
+int omapdss_compat_init(void)
+{
+ struct platform_device *pdev = dss_get_core_pdev();
+ struct omap_dss_device *dssdev = NULL;
+ int i, r;
+
+ mutex_lock(&compat_init_lock);
+
+ if (compat_refcnt++ > 0)
+ goto out;
+
+ apply_init_priv();
+
+ dss_init_overlay_managers(pdev);
+ dss_init_overlays(pdev);
+
+ for (i = 0; i < omap_dss_get_num_overlay_managers(); i++) {
+ struct omap_overlay_manager *mgr;
+
+ mgr = omap_dss_get_overlay_manager(i);
+
+ mgr->set_output = &dss_mgr_set_output;
+ mgr->unset_output = &dss_mgr_unset_output;
+ mgr->apply = &omap_dss_mgr_apply;
+ mgr->set_manager_info = &dss_mgr_set_info;
+ mgr->get_manager_info = &dss_mgr_get_info;
+ mgr->wait_for_go = &dss_mgr_wait_for_go;
+ mgr->wait_for_vsync = &dss_mgr_wait_for_vsync;
+ mgr->get_device = &dss_mgr_get_device;
+ }
+
+ for (i = 0; i < omap_dss_get_num_overlays(); i++) {
+ struct omap_overlay *ovl = omap_dss_get_overlay(i);
+
+ ovl->is_enabled = &dss_ovl_is_enabled;
+ ovl->enable = &dss_ovl_enable;
+ ovl->disable = &dss_ovl_disable;
+ ovl->set_manager = &dss_ovl_set_manager;
+ ovl->unset_manager = &dss_ovl_unset_manager;
+ ovl->set_overlay_info = &dss_ovl_set_info;
+ ovl->get_overlay_info = &dss_ovl_get_info;
+ ovl->wait_for_go = &dss_mgr_wait_for_go_ovl;
+ ovl->get_device = &dss_ovl_get_device;
+ }
+
+ r = dss_install_mgr_ops(&apply_mgr_ops);
+ if (r)
+ goto err_mgr_ops;
+
+ for_each_dss_dev(dssdev) {
+ r = display_init_sysfs(pdev, dssdev);
+ /* XXX uninit sysfs files on error */
+ if (r)
+ goto err_disp_sysfs;
+ }
+
+ dispc_runtime_get();
+
+ r = dss_dispc_initialize_irq();
+ if (r)
+ goto err_init_irq;
+
+ dispc_runtime_put();
+
+out:
+ mutex_unlock(&compat_init_lock);
+
+ return 0;
+
+err_init_irq:
+ dispc_runtime_put();
+
+err_disp_sysfs:
+ dss_uninstall_mgr_ops();
+
+err_mgr_ops:
+ dss_uninit_overlay_managers(pdev);
+ dss_uninit_overlays(pdev);
+
+ compat_refcnt--;
+
+ mutex_unlock(&compat_init_lock);
+
+ return r;
+}
+EXPORT_SYMBOL(omapdss_compat_init);
+
+void omapdss_compat_uninit(void)
+{
+ struct platform_device *pdev = dss_get_core_pdev();
+ struct omap_dss_device *dssdev = NULL;
+
+ mutex_lock(&compat_init_lock);
+
+ if (--compat_refcnt > 0)
+ goto out;
+
+ dss_dispc_uninitialize_irq();
+
+ for_each_dss_dev(dssdev)
+ display_uninit_sysfs(pdev, dssdev);
+
+ dss_uninstall_mgr_ops();
+
+ dss_uninit_overlay_managers(pdev);
+ dss_uninit_overlays(pdev);
+out:
+ mutex_unlock(&compat_init_lock);
+}
+EXPORT_SYMBOL(omapdss_compat_uninit);
diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index 5c5e5919058..f8779d4750b 100644
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -232,11 +232,6 @@ static int __init omap_dss_probe(struct platform_device *pdev)
dss_features_init(omapdss_get_version());
- dss_apply_init();
-
- dss_init_overlay_managers(pdev);
- dss_init_overlays(pdev);
-
r = dss_initialize_debugfs();
if (r)
goto err_debugfs;
@@ -261,9 +256,6 @@ static int omap_dss_remove(struct platform_device *pdev)
dss_uninitialize_debugfs();
- dss_uninit_overlays(pdev);
- dss_uninit_overlay_managers(pdev);
-
return 0;
}
@@ -351,15 +343,10 @@ static int dss_driver_probe(struct device *dev)
dev_name(dev), dssdev->driver_name,
dssdrv->driver.name);
- r = dss_init_device(core.pdev, dssdev);
- if (r)
- return r;
-
r = dssdrv->probe(dssdev);
if (r) {
DSSERR("driver probe failed: %d\n", r);
- dss_uninit_device(core.pdev, dssdev);
return r;
}
@@ -380,8 +367,6 @@ static int dss_driver_remove(struct device *dev)
dssdrv->remove(dssdev);
- dss_uninit_device(core.pdev, dssdev);
-
dssdev->driver = NULL;
return 0;
diff --git a/drivers/video/omap2/dss/dispc-compat.c b/drivers/video/omap2/dss/dispc-compat.c
new file mode 100644
index 00000000000..928884c9a0a
--- /dev/null
+++ b/drivers/video/omap2/dss/dispc-compat.c
@@ -0,0 +1,667 @@
+/*
+ * Copyright (C) 2012 Texas Instruments
+ * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define DSS_SUBSYS_NAME "APPLY"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/jiffies.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/seq_file.h>
+
+#include <video/omapdss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+#include "dispc-compat.h"
+
+#define DISPC_IRQ_MASK_ERROR (DISPC_IRQ_GFX_FIFO_UNDERFLOW | \
+ DISPC_IRQ_OCP_ERR | \
+ DISPC_IRQ_VID1_FIFO_UNDERFLOW | \
+ DISPC_IRQ_VID2_FIFO_UNDERFLOW | \
+ DISPC_IRQ_SYNC_LOST | \
+ DISPC_IRQ_SYNC_LOST_DIGIT)
+
+#define DISPC_MAX_NR_ISRS 8
+
+struct omap_dispc_isr_data {
+ omap_dispc_isr_t isr;
+ void *arg;
+ u32 mask;
+};
+
+struct dispc_irq_stats {
+ unsigned long last_reset;
+ unsigned irq_count;
+ unsigned irqs[32];
+};
+
+static struct {
+ spinlock_t irq_lock;
+ u32 irq_error_mask;
+ struct omap_dispc_isr_data registered_isr[DISPC_MAX_NR_ISRS];
+ u32 error_irqs;
+ struct work_struct error_work;
+
+#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
+ spinlock_t irq_stats_lock;
+ struct dispc_irq_stats irq_stats;
+#endif
+} dispc_compat;
+
+
+#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
+static void dispc_dump_irqs(struct seq_file *s)
+{
+ unsigned long flags;
+ struct dispc_irq_stats stats;
+
+ spin_lock_irqsave(&dispc_compat.irq_stats_lock, flags);
+
+ stats = dispc_compat.irq_stats;
+ memset(&dispc_compat.irq_stats, 0, sizeof(dispc_compat.irq_stats));
+ dispc_compat.irq_stats.last_reset = jiffies;
+
+ spin_unlock_irqrestore(&dispc_compat.irq_stats_lock, flags);
+
+ seq_printf(s, "period %u ms\n",
+ jiffies_to_msecs(jiffies - stats.last_reset));
+
+ seq_printf(s, "irqs %d\n", stats.irq_count);
+#define PIS(x) \
+ seq_printf(s, "%-20s %10d\n", #x, stats.irqs[ffs(DISPC_IRQ_##x)-1]);
+
+ PIS(FRAMEDONE);
+ PIS(VSYNC);
+ PIS(EVSYNC_EVEN);
+ PIS(EVSYNC_ODD);
+ PIS(ACBIAS_COUNT_STAT);
+ PIS(PROG_LINE_NUM);
+ PIS(GFX_FIFO_UNDERFLOW);
+ PIS(GFX_END_WIN);
+ PIS(PAL_GAMMA_MASK);
+ PIS(OCP_ERR);
+ PIS(VID1_FIFO_UNDERFLOW);
+ PIS(VID1_END_WIN);
+ PIS(VID2_FIFO_UNDERFLOW);
+ PIS(VID2_END_WIN);
+ if (dss_feat_get_num_ovls() > 3) {
+ PIS(VID3_FIFO_UNDERFLOW);
+ PIS(VID3_END_WIN);
+ }
+ PIS(SYNC_LOST);
+ PIS(SYNC_LOST_DIGIT);
+ PIS(WAKEUP);
+ if (dss_has_feature(FEAT_MGR_LCD2)) {
+ PIS(FRAMEDONE2);
+ PIS(VSYNC2);
+ PIS(ACBIAS_COUNT_STAT2);
+ PIS(SYNC_LOST2);
+ }
+ if (dss_has_feature(FEAT_MGR_LCD3)) {
+ PIS(FRAMEDONE3);
+ PIS(VSYNC3);
+ PIS(ACBIAS_COUNT_STAT3);
+ PIS(SYNC_LOST3);
+ }
+#undef PIS
+}
+#endif
+
+/* dispc.irq_lock has to be locked by the caller */
+static void _omap_dispc_set_irqs(void)
+{
+ u32 mask;
+ int i;
+ struct omap_dispc_isr_data *isr_data;
+
+ mask = dispc_compat.irq_error_mask;
+
+ for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
+ isr_data = &dispc_compat.registered_isr[i];
+
+ if (isr_data->isr == NULL)
+ continue;
+
+ mask |= isr_data->mask;
+ }
+
+ dispc_write_irqenable(mask);
+}
+
+int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask)
+{
+ int i;
+ int ret;
+ unsigned long flags;
+ struct omap_dispc_isr_data *isr_data;
+
+ if (isr == NULL)
+ return -EINVAL;
+
+ spin_lock_irqsave(&dispc_compat.irq_lock, flags);
+
+ /* check for duplicate entry */
+ for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
+ isr_data = &dispc_compat.registered_isr[i];
+ if (isr_data->isr == isr && isr_data->arg == arg &&
+ isr_data->mask == mask) {
+ ret = -EINVAL;
+ goto err;
+ }
+ }
+
+ isr_data = NULL;
+ ret = -EBUSY;
+
+ for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
+ isr_data = &dispc_compat.registered_isr[i];
+
+ if (isr_data->isr != NULL)
+ continue;
+
+ isr_data->isr = isr;
+ isr_data->arg = arg;
+ isr_data->mask = mask;
+ ret = 0;
+
+ break;
+ }
+
+ if (ret)
+ goto err;
+
+ _omap_dispc_set_irqs();
+
+ spin_unlock_irqrestore(&dispc_compat.irq_lock, flags);
+
+ return 0;
+err:
+ spin_unlock_irqrestore(&dispc_compat.irq_lock, flags);
+
+ return ret;
+}
+EXPORT_SYMBOL(omap_dispc_register_isr);
+
+int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask)
+{
+ int i;
+ unsigned long flags;
+ int ret = -EINVAL;
+ struct omap_dispc_isr_data *isr_data;
+
+ spin_lock_irqsave(&dispc_compat.irq_lock, flags);
+
+ for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
+ isr_data = &dispc_compat.registered_isr[i];
+ if (isr_data->isr != isr || isr_data->arg != arg ||
+ isr_data->mask != mask)
+ continue;
+
+ /* found the correct isr */
+
+ isr_data->isr = NULL;
+ isr_data->arg = NULL;
+ isr_data->mask = 0;
+
+ ret = 0;
+ break;
+ }
+
+ if (ret == 0)
+ _omap_dispc_set_irqs();
+
+ spin_unlock_irqrestore(&dispc_compat.irq_lock, flags);
+
+ return ret;
+}
+EXPORT_SYMBOL(omap_dispc_unregister_isr);
+
+static void print_irq_status(u32 status)
+{
+ if ((status & dispc_compat.irq_error_mask) == 0)
+ return;
+
+#define PIS(x) (status & DISPC_IRQ_##x) ? (#x " ") : ""
+
+ pr_debug("DISPC IRQ: 0x%x: %s%s%s%s%s%s%s%s%s\n",
+ status,
+ PIS(OCP_ERR),
+ PIS(GFX_FIFO_UNDERFLOW),
+ PIS(VID1_FIFO_UNDERFLOW),
+ PIS(VID2_FIFO_UNDERFLOW),
+ dss_feat_get_num_ovls() > 3 ? PIS(VID3_FIFO_UNDERFLOW) : "",
+ PIS(SYNC_LOST),
+ PIS(SYNC_LOST_DIGIT),
+ dss_has_feature(FEAT_MGR_LCD2) ? PIS(SYNC_LOST2) : "",
+ dss_has_feature(FEAT_MGR_LCD3) ? PIS(SYNC_LOST3) : "");
+#undef PIS
+}
+
+/* Called from dss.c. Note that we don't touch clocks here,
+ * but we presume they are on because we got an IRQ. However,
+ * an irq handler may turn the clocks off, so we may not have
+ * clock later in the function. */
+static irqreturn_t omap_dispc_irq_handler(int irq, void *arg)
+{
+ int i;
+ u32 irqstatus, irqenable;
+ u32 handledirqs = 0;
+ u32 unhandled_errors;
+ struct omap_dispc_isr_data *isr_data;
+ struct omap_dispc_isr_data registered_isr[DISPC_MAX_NR_ISRS];
+
+ spin_lock(&dispc_compat.irq_lock);
+
+ irqstatus = dispc_read_irqstatus();
+ irqenable = dispc_read_irqenable();
+
+ /* IRQ is not for us */
+ if (!(irqstatus & irqenable)) {
+ spin_unlock(&dispc_compat.irq_lock);
+ return IRQ_NONE;
+ }
+
+#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
+ spin_lock(&dispc_compat.irq_stats_lock);
+ dispc_compat.irq_stats.irq_count++;
+ dss_collect_irq_stats(irqstatus, dispc_compat.irq_stats.irqs);
+ spin_unlock(&dispc_compat.irq_stats_lock);
+#endif
+
+ print_irq_status(irqstatus);
+
+ /* Ack the interrupt. Do it here before clocks are possibly turned
+ * off */
+ dispc_clear_irqstatus(irqstatus);
+ /* flush posted write */
+ dispc_read_irqstatus();
+
+ /* make a copy and unlock, so that isrs can unregister
+ * themselves */
+ memcpy(registered_isr, dispc_compat.registered_isr,
+ sizeof(registered_isr));
+
+ spin_unlock(&dispc_compat.irq_lock);
+
+ for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
+ isr_data = &registered_isr[i];
+
+ if (!isr_data->isr)
+ continue;
+
+ if (isr_data->mask & irqstatus) {
+ isr_data->isr(isr_data->arg, irqstatus);
+ handledirqs |= isr_data->mask;
+ }
+ }
+
+ spin_lock(&dispc_compat.irq_lock);
+
+ unhandled_errors = irqstatus & ~handledirqs & dispc_compat.irq_error_mask;
+
+ if (unhandled_errors) {
+ dispc_compat.error_irqs |= unhandled_errors;
+
+ dispc_compat.irq_error_mask &= ~unhandled_errors;
+ _omap_dispc_set_irqs();
+
+ schedule_work(&dispc_compat.error_work);
+ }
+
+ spin_unlock(&dispc_compat.irq_lock);
+
+ return IRQ_HANDLED;
+}
+
+static void dispc_error_worker(struct work_struct *work)
+{
+ int i;
+ u32 errors;
+ unsigned long flags;
+ static const unsigned fifo_underflow_bits[] = {
+ DISPC_IRQ_GFX_FIFO_UNDERFLOW,
+ DISPC_IRQ_VID1_FIFO_UNDERFLOW,
+ DISPC_IRQ_VID2_FIFO_UNDERFLOW,
+ DISPC_IRQ_VID3_FIFO_UNDERFLOW,
+ };
+
+ spin_lock_irqsave(&dispc_compat.irq_lock, flags);
+ errors = dispc_compat.error_irqs;
+ dispc_compat.error_irqs = 0;
+ spin_unlock_irqrestore(&dispc_compat.irq_lock, flags);
+
+ dispc_runtime_get();
+
+ for (i = 0; i < omap_dss_get_num_overlays(); ++i) {
+ struct omap_overlay *ovl;
+ unsigned bit;
+
+ ovl = omap_dss_get_overlay(i);
+ bit = fifo_underflow_bits[i];
+
+ if (bit & errors) {
+ DSSERR("FIFO UNDERFLOW on %s, disabling the overlay\n",
+ ovl->name);
+ dispc_ovl_enable(ovl->id, false);
+ dispc_mgr_go(ovl->manager->id);
+ msleep(50);
+ }
+ }
+
+ for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
+ struct omap_overlay_manager *mgr;
+ unsigned bit;
+
+ mgr = omap_dss_get_overlay_manager(i);
+ bit = dispc_mgr_get_sync_lost_irq(i);
+
+ if (bit & errors) {
+ int j;
+
+ DSSERR("SYNC_LOST on channel %s, restarting the output "
+ "with video overlays disabled\n",
+ mgr->name);
+
+ dss_mgr_disable(mgr);
+
+ for (j = 0; j < omap_dss_get_num_overlays(); ++j) {
+ struct omap_overlay *ovl;
+ ovl = omap_dss_get_overlay(j);
+
+ if (ovl->id != OMAP_DSS_GFX &&
+ ovl->manager == mgr)
+ ovl->disable(ovl);
+ }
+
+ dss_mgr_enable(mgr);
+ }
+ }
+
+ if (errors & DISPC_IRQ_OCP_ERR) {
+ DSSERR("OCP_ERR\n");
+ for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
+ struct omap_overlay_manager *mgr;
+
+ mgr = omap_dss_get_overlay_manager(i);
+ dss_mgr_disable(mgr);
+ }
+ }
+
+ spin_lock_irqsave(&dispc_compat.irq_lock, flags);
+ dispc_compat.irq_error_mask |= errors;
+ _omap_dispc_set_irqs();
+ spin_unlock_irqrestore(&dispc_compat.irq_lock, flags);
+
+ dispc_runtime_put();
+}
+
+int dss_dispc_initialize_irq(void)
+{
+ int r;
+
+#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
+ spin_lock_init(&dispc_compat.irq_stats_lock);
+ dispc_compat.irq_stats.last_reset = jiffies;
+ dss_debugfs_create_file("dispc_irq", dispc_dump_irqs);
+#endif
+
+ spin_lock_init(&dispc_compat.irq_lock);
+
+ memset(dispc_compat.registered_isr, 0,
+ sizeof(dispc_compat.registered_isr));
+
+ dispc_compat.irq_error_mask = DISPC_IRQ_MASK_ERROR;
+ if (dss_has_feature(FEAT_MGR_LCD2))
+ dispc_compat.irq_error_mask |= DISPC_IRQ_SYNC_LOST2;
+ if (dss_has_feature(FEAT_MGR_LCD3))
+ dispc_compat.irq_error_mask |= DISPC_IRQ_SYNC_LOST3;
+ if (dss_feat_get_num_ovls() > 3)
+ dispc_compat.irq_error_mask |= DISPC_IRQ_VID3_FIFO_UNDERFLOW;
+
+ /*
+ * there's SYNC_LOST_DIGIT waiting after enabling the DSS,
+ * so clear it
+ */
+ dispc_clear_irqstatus(dispc_read_irqstatus());
+
+ INIT_WORK(&dispc_compat.error_work, dispc_error_worker);
+
+ _omap_dispc_set_irqs();
+
+ r = dispc_request_irq(omap_dispc_irq_handler, &dispc_compat);
+ if (r) {
+ DSSERR("dispc_request_irq failed\n");
+ return r;
+ }
+
+ return 0;
+}
+
+void dss_dispc_uninitialize_irq(void)
+{
+ dispc_free_irq(&dispc_compat);
+}
+
+static void dispc_mgr_disable_isr(void *data, u32 mask)
+{
+ struct completion *compl = data;
+ complete(compl);
+}
+
+static void dispc_mgr_enable_lcd_out(enum omap_channel channel)
+{
+ dispc_mgr_enable(channel, true);
+}
+
+static void dispc_mgr_disable_lcd_out(enum omap_channel channel)
+{
+ DECLARE_COMPLETION_ONSTACK(framedone_compl);
+ int r;
+ u32 irq;
+
+ if (dispc_mgr_is_enabled(channel) == false)
+ return;
+
+ /*
+ * When we disable LCD output, we need to wait for FRAMEDONE to know
+ * that DISPC has finished with the LCD output.
+ */
+
+ irq = dispc_mgr_get_framedone_irq(channel);
+
+ r = omap_dispc_register_isr(dispc_mgr_disable_isr, &framedone_compl,
+ irq);
+ if (r)
+ DSSERR("failed to register FRAMEDONE isr\n");
+
+ dispc_mgr_enable(channel, false);
+
+ /* if we couldn't register for framedone, just sleep and exit */
+ if (r) {
+ msleep(100);
+ return;
+ }
+
+ if (!wait_for_completion_timeout(&framedone_compl,
+ msecs_to_jiffies(100)))
+ DSSERR("timeout waiting for FRAME DONE\n");
+
+ r = omap_dispc_unregister_isr(dispc_mgr_disable_isr, &framedone_compl,
+ irq);
+ if (r)
+ DSSERR("failed to unregister FRAMEDONE isr\n");
+}
+
+static void dispc_digit_out_enable_isr(void *data, u32 mask)
+{
+ struct completion *compl = data;
+
+ /* ignore any sync lost interrupts */
+ if (mask & (DISPC_IRQ_EVSYNC_EVEN | DISPC_IRQ_EVSYNC_ODD))
+ complete(compl);
+}
+
+static void dispc_mgr_enable_digit_out(void)
+{
+ DECLARE_COMPLETION_ONSTACK(vsync_compl);
+ int r;
+ u32 irq_mask;
+
+ if (dispc_mgr_is_enabled(OMAP_DSS_CHANNEL_DIGIT) == true)
+ return;
+
+ /*
+ * Digit output produces some sync lost interrupts during the first
+ * frame when enabling. Those need to be ignored, so we register for the
+ * sync lost irq to prevent the error handler from triggering.
+ */
+
+ irq_mask = dispc_mgr_get_vsync_irq(OMAP_DSS_CHANNEL_DIGIT) |
+ dispc_mgr_get_sync_lost_irq(OMAP_DSS_CHANNEL_DIGIT);
+
+ r = omap_dispc_register_isr(dispc_digit_out_enable_isr, &vsync_compl,
+ irq_mask);
+ if (r) {
+ DSSERR("failed to register %x isr\n", irq_mask);
+ return;
+ }
+
+ dispc_mgr_enable(OMAP_DSS_CHANNEL_DIGIT, true);
+
+ /* wait for the first evsync */
+ if (!wait_for_completion_timeout(&vsync_compl, msecs_to_jiffies(100)))
+ DSSERR("timeout waiting for digit out to start\n");
+
+ r = omap_dispc_unregister_isr(dispc_digit_out_enable_isr, &vsync_compl,
+ irq_mask);
+ if (r)
+ DSSERR("failed to unregister %x isr\n", irq_mask);
+}
+
+static void dispc_mgr_disable_digit_out(void)
+{
+ DECLARE_COMPLETION_ONSTACK(framedone_compl);
+ int r, i;
+ u32 irq_mask;
+ int num_irqs;
+
+ if (dispc_mgr_is_enabled(OMAP_DSS_CHANNEL_DIGIT) == false)
+ return;
+
+ /*
+ * When we disable the digit output, we need to wait for FRAMEDONE to
+ * know that DISPC has finished with the output.
+ */
+
+ irq_mask = dispc_mgr_get_framedone_irq(OMAP_DSS_CHANNEL_DIGIT);
+ num_irqs = 1;
+
+ if (!irq_mask) {
+ /*
+ * omap 2/3 don't have framedone irq for TV, so we need to use
+ * vsyncs for this.
+ */
+
+ irq_mask = dispc_mgr_get_vsync_irq(OMAP_DSS_CHANNEL_DIGIT);
+ /*
+ * We need to wait for both even and odd vsyncs. Note that this
+ * is not totally reliable, as we could get a vsync interrupt
+ * before we disable the output, which leads to timeout in the
+ * wait_for_completion.
+ */
+ num_irqs = 2;
+ }
+
+ r = omap_dispc_register_isr(dispc_mgr_disable_isr, &framedone_compl,
+ irq_mask);
+ if (r)
+ DSSERR("failed to register %x isr\n", irq_mask);
+
+ dispc_mgr_enable(OMAP_DSS_CHANNEL_DIGIT, false);
+
+ /* if we couldn't register the irq, just sleep and exit */
+ if (r) {
+ msleep(100);
+ return;
+ }
+
+ for (i = 0; i < num_irqs; ++i) {
+ if (!wait_for_completion_timeout(&framedone_compl,
+ msecs_to_jiffies(100)))
+ DSSERR("timeout waiting for digit out to stop\n");
+ }
+
+ r = omap_dispc_unregister_isr(dispc_mgr_disable_isr, &framedone_compl,
+ irq_mask);
+ if (r)
+ DSSERR("failed to unregister %x isr\n", irq_mask);
+}
+
+void dispc_mgr_enable_sync(enum omap_channel channel)
+{
+ if (dss_mgr_is_lcd(channel))
+ dispc_mgr_enable_lcd_out(channel);
+ else if (channel == OMAP_DSS_CHANNEL_DIGIT)
+ dispc_mgr_enable_digit_out();
+ else
+ WARN_ON(1);
+}
+
+void dispc_mgr_disable_sync(enum omap_channel channel)
+{
+ if (dss_mgr_is_lcd(channel))
+ dispc_mgr_disable_lcd_out(channel);
+ else if (channel == OMAP_DSS_CHANNEL_DIGIT)
+ dispc_mgr_disable_digit_out();
+ else
+ WARN_ON(1);
+}
+
+int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask,
+ unsigned long timeout)
+{
+ void dispc_irq_wait_handler(void *data, u32 mask)
+ {
+ complete((struct completion *)data);
+ }
+
+ int r;
+ DECLARE_COMPLETION_ONSTACK(completion);
+
+ r = omap_dispc_register_isr(dispc_irq_wait_handler, &completion,
+ irqmask);
+
+ if (r)
+ return r;
+
+ timeout = wait_for_completion_interruptible_timeout(&completion,
+ timeout);
+
+ omap_dispc_unregister_isr(dispc_irq_wait_handler, &completion, irqmask);
+
+ if (timeout == 0)
+ return -ETIMEDOUT;
+
+ if (timeout == -ERESTARTSYS)
+ return -ERESTARTSYS;
+
+ return 0;
+}
diff --git a/drivers/video/omap2/dss/dispc-compat.h b/drivers/video/omap2/dss/dispc-compat.h
new file mode 100644
index 00000000000..14a69b3d4fb
--- /dev/null
+++ b/drivers/video/omap2/dss/dispc-compat.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2012 Texas Instruments
+ * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __OMAP2_DSS_DISPC_COMPAT_H
+#define __OMAP2_DSS_DISPC_COMPAT_H
+
+void dispc_mgr_enable_sync(enum omap_channel channel);
+void dispc_mgr_disable_sync(enum omap_channel channel);
+
+int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask,
+ unsigned long timeout);
+
+int dss_dispc_initialize_irq(void);
+void dss_dispc_uninitialize_irq(void);
+
+#endif
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index f7df5230678..fedbd2c8e97 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -33,7 +33,6 @@
#include <linux/delay.h>
#include <linux/workqueue.h>
#include <linux/hardirq.h>
-#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/sizes.h>
@@ -47,21 +46,6 @@
/* DISPC */
#define DISPC_SZ_REGS SZ_4K
-#define DISPC_IRQ_MASK_ERROR (DISPC_IRQ_GFX_FIFO_UNDERFLOW | \
- DISPC_IRQ_OCP_ERR | \
- DISPC_IRQ_VID1_FIFO_UNDERFLOW | \
- DISPC_IRQ_VID2_FIFO_UNDERFLOW | \
- DISPC_IRQ_SYNC_LOST | \
- DISPC_IRQ_SYNC_LOST_DIGIT)
-
-#define DISPC_MAX_NR_ISRS 8
-
-struct omap_dispc_isr_data {
- omap_dispc_isr_t isr;
- void *arg;
- u32 mask;
-};
-
enum omap_burst_size {
BURST_SIZE_X2 = 0,
BURST_SIZE_X4 = 1,
@@ -74,12 +58,6 @@ enum omap_burst_size {
#define REG_FLD_MOD(idx, val, start, end) \
dispc_write_reg(idx, FLD_MOD(dispc_read_reg(idx), val, start, end))
-struct dispc_irq_stats {
- unsigned long last_reset;
- unsigned irq_count;
- unsigned irqs[32];
-};
-
struct dispc_features {
u8 sw_start;
u8 fp_start;
@@ -124,21 +102,10 @@ static struct {
/* maps which plane is using a fifo. fifo-id -> plane-id */
int fifo_assignment[DISPC_MAX_NR_FIFOS];
- spinlock_t irq_lock;
- u32 irq_error_mask;
- struct omap_dispc_isr_data registered_isr[DISPC_MAX_NR_ISRS];
- u32 error_irqs;
- struct work_struct error_work;
-
bool ctx_valid;
u32 ctx[DISPC_SZ_REGS / sizeof(u32)];
const struct dispc_features *feat;
-
-#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
- spinlock_t irq_stats_lock;
- struct dispc_irq_stats irq_stats;
-#endif
} dispc;
enum omap_color_component {
@@ -249,7 +216,6 @@ struct color_conv_coef {
int full_range;
};
-static void _omap_dispc_set_irqs(void);
static unsigned long dispc_plane_pclk_rate(enum omap_plane plane);
static unsigned long dispc_plane_lclk_rate(enum omap_plane plane);
@@ -528,6 +494,7 @@ int dispc_runtime_get(void)
WARN_ON(r < 0);
return r < 0 ? r : 0;
}
+EXPORT_SYMBOL(dispc_runtime_get);
void dispc_runtime_put(void)
{
@@ -538,11 +505,13 @@ void dispc_runtime_put(void)
r = pm_runtime_put_sync(&dispc.pdev->dev);
WARN_ON(r < 0 && r != -ENOSYS);
}
+EXPORT_SYMBOL(dispc_runtime_put);
u32 dispc_mgr_get_vsync_irq(enum omap_channel channel)
{
return mgr_desc[channel].vsync_irq;
}
+EXPORT_SYMBOL(dispc_mgr_get_vsync_irq);
u32 dispc_mgr_get_framedone_irq(enum omap_channel channel)
{
@@ -551,11 +520,13 @@ u32 dispc_mgr_get_framedone_irq(enum omap_channel channel)
return mgr_desc[channel].framedone_irq;
}
+EXPORT_SYMBOL(dispc_mgr_get_framedone_irq);
u32 dispc_mgr_get_sync_lost_irq(enum omap_channel channel)
{
return mgr_desc[channel].sync_lost_irq;
}
+EXPORT_SYMBOL(dispc_mgr_get_sync_lost_irq);
u32 dispc_wb_get_framedone_irq(void)
{
@@ -566,6 +537,7 @@ bool dispc_mgr_go_busy(enum omap_channel channel)
{
return mgr_fld_read(channel, DISPC_MGR_FLD_GO) == 1;
}
+EXPORT_SYMBOL(dispc_mgr_go_busy);
void dispc_mgr_go(enum omap_channel channel)
{
@@ -576,6 +548,7 @@ void dispc_mgr_go(enum omap_channel channel)
mgr_fld_write(channel, DISPC_MGR_FLD_GO, 1);
}
+EXPORT_SYMBOL(dispc_mgr_go);
bool dispc_wb_go_busy(void)
{
@@ -979,6 +952,7 @@ void dispc_ovl_set_channel_out(enum omap_plane plane, enum omap_channel channel)
}
dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), val);
}
+EXPORT_SYMBOL(dispc_ovl_set_channel_out);
static enum omap_channel dispc_ovl_get_channel_out(enum omap_plane plane)
{
@@ -2354,6 +2328,47 @@ static int dispc_ovl_calc_scaling(unsigned long pclk, unsigned long lclk,
return 0;
}
+int dispc_ovl_check(enum omap_plane plane, enum omap_channel channel,
+ const struct omap_overlay_info *oi,
+ const struct omap_video_timings *timings,
+ int *x_predecim, int *y_predecim)
+{
+ enum omap_overlay_caps caps = dss_feat_get_overlay_caps(plane);
+ bool five_taps = true;
+ bool fieldmode = 0;
+ u16 in_height = oi->height;
+ u16 in_width = oi->width;
+ bool ilace = timings->interlace;
+ u16 out_width, out_height;
+ int pos_x = oi->pos_x;
+ unsigned long pclk = dispc_mgr_pclk_rate(channel);
+ unsigned long lclk = dispc_mgr_lclk_rate(channel);
+
+ out_width = oi->out_width == 0 ? oi->width : oi->out_width;
+ out_height = oi->out_height == 0 ? oi->height : oi->out_height;
+
+ if (ilace && oi->height == out_height)
+ fieldmode = 1;
+
+ if (ilace) {
+ if (fieldmode)
+ in_height /= 2;
+ out_height /= 2;
+
+ DSSDBG("adjusting for ilace: height %d, out_height %d\n",
+ in_height, out_height);
+ }
+
+ if (!dss_feat_color_mode_supported(plane, oi->color_mode))
+ return -EINVAL;
+
+ return dispc_ovl_calc_scaling(pclk, lclk, caps, timings, in_width,
+ in_height, out_width, out_height, oi->color_mode,
+ &five_taps, x_predecim, y_predecim, pos_x,
+ oi->rotation_type, false);
+}
+EXPORT_SYMBOL(dispc_ovl_check);
+
static int dispc_ovl_setup_common(enum omap_plane plane,
enum omap_overlay_caps caps, u32 paddr, u32 p_uv_addr,
u16 screen_width, int pos_x, int pos_y, u16 width, u16 height,
@@ -2533,6 +2548,7 @@ int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
return r;
}
+EXPORT_SYMBOL(dispc_ovl_setup);
int dispc_wb_setup(const struct omap_dss_writeback_info *wi,
bool mem_to_mem, const struct omap_video_timings *mgr_timings)
@@ -2593,17 +2609,13 @@ int dispc_ovl_enable(enum omap_plane plane, bool enable)
return 0;
}
+EXPORT_SYMBOL(dispc_ovl_enable);
bool dispc_ovl_enabled(enum omap_plane plane)
{
return REG_GET(DISPC_OVL_ATTRIBUTES(plane), 0, 0);
}
-
-static void dispc_mgr_disable_isr(void *data, u32 mask)
-{
- struct completion *compl = data;
- complete(compl);
-}
+EXPORT_SYMBOL(dispc_ovl_enabled);
void dispc_mgr_enable(enum omap_channel channel, bool enable)
{
@@ -2611,180 +2623,13 @@ void dispc_mgr_enable(enum omap_channel channel, bool enable)
/* flush posted write */
mgr_fld_read(channel, DISPC_MGR_FLD_ENABLE);
}
+EXPORT_SYMBOL(dispc_mgr_enable);
bool dispc_mgr_is_enabled(enum omap_channel channel)
{
return !!mgr_fld_read(channel, DISPC_MGR_FLD_ENABLE);
}
-
-static void dispc_mgr_enable_lcd_out(enum omap_channel channel)
-{
- dispc_mgr_enable(channel, true);
-}
-
-static void dispc_mgr_disable_lcd_out(enum omap_channel channel)
-{
- DECLARE_COMPLETION_ONSTACK(framedone_compl);
- int r;
- u32 irq;
-
- if (dispc_mgr_is_enabled(channel) == false)
- return;
-
- /*
- * When we disable LCD output, we need to wait for FRAMEDONE to know
- * that DISPC has finished with the LCD output.
- */
-
- irq = dispc_mgr_get_framedone_irq(channel);
-
- r = omap_dispc_register_isr(dispc_mgr_disable_isr, &framedone_compl,
- irq);
- if (r)
- DSSERR("failed to register FRAMEDONE isr\n");
-
- dispc_mgr_enable(channel, false);
-
- /* if we couldn't register for framedone, just sleep and exit */
- if (r) {
- msleep(100);
- return;
- }
-
- if (!wait_for_completion_timeout(&framedone_compl,
- msecs_to_jiffies(100)))
- DSSERR("timeout waiting for FRAME DONE\n");
-
- r = omap_dispc_unregister_isr(dispc_mgr_disable_isr, &framedone_compl,
- irq);
- if (r)
- DSSERR("failed to unregister FRAMEDONE isr\n");
-}
-
-static void dispc_digit_out_enable_isr(void *data, u32 mask)
-{
- struct completion *compl = data;
-
- /* ignore any sync lost interrupts */
- if (mask & (DISPC_IRQ_EVSYNC_EVEN | DISPC_IRQ_EVSYNC_ODD))
- complete(compl);
-}
-
-static void dispc_mgr_enable_digit_out(void)
-{
- DECLARE_COMPLETION_ONSTACK(vsync_compl);
- int r;
- u32 irq_mask;
-
- if (dispc_mgr_is_enabled(OMAP_DSS_CHANNEL_DIGIT) == true)
- return;
-
- /*
- * Digit output produces some sync lost interrupts during the first
- * frame when enabling. Those need to be ignored, so we register for the
- * sync lost irq to prevent the error handler from triggering.
- */
-
- irq_mask = dispc_mgr_get_vsync_irq(OMAP_DSS_CHANNEL_DIGIT) |
- dispc_mgr_get_sync_lost_irq(OMAP_DSS_CHANNEL_DIGIT);
-
- r = omap_dispc_register_isr(dispc_digit_out_enable_isr, &vsync_compl,
- irq_mask);
- if (r) {
- DSSERR("failed to register %x isr\n", irq_mask);
- return;
- }
-
- dispc_mgr_enable(OMAP_DSS_CHANNEL_DIGIT, true);
-
- /* wait for the first evsync */
- if (!wait_for_completion_timeout(&vsync_compl, msecs_to_jiffies(100)))
- DSSERR("timeout waiting for digit out to start\n");
-
- r = omap_dispc_unregister_isr(dispc_digit_out_enable_isr, &vsync_compl,
- irq_mask);
- if (r)
- DSSERR("failed to unregister %x isr\n", irq_mask);
-}
-
-static void dispc_mgr_disable_digit_out(void)
-{
- DECLARE_COMPLETION_ONSTACK(framedone_compl);
- int r, i;
- u32 irq_mask;
- int num_irqs;
-
- if (dispc_mgr_is_enabled(OMAP_DSS_CHANNEL_DIGIT) == false)
- return;
-
- /*
- * When we disable the digit output, we need to wait for FRAMEDONE to
- * know that DISPC has finished with the output.
- */
-
- irq_mask = dispc_mgr_get_framedone_irq(OMAP_DSS_CHANNEL_DIGIT);
- num_irqs = 1;
-
- if (!irq_mask) {
- /*
- * omap 2/3 don't have framedone irq for TV, so we need to use
- * vsyncs for this.
- */
-
- irq_mask = dispc_mgr_get_vsync_irq(OMAP_DSS_CHANNEL_DIGIT);
- /*
- * We need to wait for both even and odd vsyncs. Note that this
- * is not totally reliable, as we could get a vsync interrupt
- * before we disable the output, which leads to timeout in the
- * wait_for_completion.
- */
- num_irqs = 2;
- }
-
- r = omap_dispc_register_isr(dispc_mgr_disable_isr, &framedone_compl,
- irq_mask);
- if (r)
- DSSERR("failed to register %x isr\n", irq_mask);
-
- dispc_mgr_enable(OMAP_DSS_CHANNEL_DIGIT, false);
-
- /* if we couldn't register the irq, just sleep and exit */
- if (r) {
- msleep(100);
- return;
- }
-
- for (i = 0; i < num_irqs; ++i) {
- if (!wait_for_completion_timeout(&framedone_compl,
- msecs_to_jiffies(100)))
- DSSERR("timeout waiting for digit out to stop\n");
- }
-
- r = omap_dispc_unregister_isr(dispc_mgr_disable_isr, &framedone_compl,
- irq_mask);
- if (r)
- DSSERR("failed to unregister %x isr\n", irq_mask);
-}
-
-void dispc_mgr_enable_sync(enum omap_channel channel)
-{
- if (dss_mgr_is_lcd(channel))
- dispc_mgr_enable_lcd_out(channel);
- else if (channel == OMAP_DSS_CHANNEL_DIGIT)
- dispc_mgr_enable_digit_out();
- else
- WARN_ON(1);
-}
-
-void dispc_mgr_disable_sync(enum omap_channel channel)
-{
- if (dss_mgr_is_lcd(channel))
- dispc_mgr_disable_lcd_out(channel);
- else if (channel == OMAP_DSS_CHANNEL_DIGIT)
- dispc_mgr_disable_digit_out();
- else
- WARN_ON(1);
-}
+EXPORT_SYMBOL(dispc_mgr_is_enabled);
void dispc_wb_enable(bool enable)
{
@@ -2881,6 +2726,7 @@ void dispc_mgr_setup(enum omap_channel channel,
dispc_mgr_set_cpr_coef(channel, &info->cpr_coefs);
}
}
+EXPORT_SYMBOL(dispc_mgr_setup);
static void dispc_mgr_set_tft_data_lines(enum omap_channel channel, u8 data_lines)
{
@@ -2957,6 +2803,7 @@ void dispc_mgr_set_lcd_config(enum omap_channel channel,
dispc_mgr_set_lcd_type_tft(channel);
}
+EXPORT_SYMBOL(dispc_mgr_set_lcd_config);
static bool _dispc_mgr_size_ok(u16 width, u16 height)
{
@@ -3095,6 +2942,7 @@ void dispc_mgr_set_timings(enum omap_channel channel,
dispc_mgr_set_size(channel, t.x_res, t.y_res);
}
+EXPORT_SYMBOL(dispc_mgr_set_timings);
static void dispc_mgr_set_lcd_divisor(enum omap_channel channel, u16 lck_div,
u16 pck_div)
@@ -3301,64 +3149,6 @@ void dispc_dump_clocks(struct seq_file *s)
dispc_runtime_put();
}
-#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
-static void dispc_dump_irqs(struct seq_file *s)
-{
- unsigned long flags;
- struct dispc_irq_stats stats;
-
- spin_lock_irqsave(&dispc.irq_stats_lock, flags);
-
- stats = dispc.irq_stats;
- memset(&dispc.irq_stats, 0, sizeof(dispc.irq_stats));
- dispc.irq_stats.last_reset = jiffies;
-
- spin_unlock_irqrestore(&dispc.irq_stats_lock, flags);
-
- seq_printf(s, "period %u ms\n",
- jiffies_to_msecs(jiffies - stats.last_reset));
-
- seq_printf(s, "irqs %d\n", stats.irq_count);
-#define PIS(x) \
- seq_printf(s, "%-20s %10d\n", #x, stats.irqs[ffs(DISPC_IRQ_##x)-1]);
-
- PIS(FRAMEDONE);
- PIS(VSYNC);
- PIS(EVSYNC_EVEN);
- PIS(EVSYNC_ODD);
- PIS(ACBIAS_COUNT_STAT);
- PIS(PROG_LINE_NUM);
- PIS(GFX_FIFO_UNDERFLOW);
- PIS(GFX_END_WIN);
- PIS(PAL_GAMMA_MASK);
- PIS(OCP_ERR);
- PIS(VID1_FIFO_UNDERFLOW);
- PIS(VID1_END_WIN);
- PIS(VID2_FIFO_UNDERFLOW);
- PIS(VID2_END_WIN);
- if (dss_feat_get_num_ovls() > 3) {
- PIS(VID3_FIFO_UNDERFLOW);
- PIS(VID3_END_WIN);
- }
- PIS(SYNC_LOST);
- PIS(SYNC_LOST_DIGIT);
- PIS(WAKEUP);
- if (dss_has_feature(FEAT_MGR_LCD2)) {
- PIS(FRAMEDONE2);
- PIS(VSYNC2);
- PIS(ACBIAS_COUNT_STAT2);
- PIS(SYNC_LOST2);
- }
- if (dss_has_feature(FEAT_MGR_LCD3)) {
- PIS(FRAMEDONE3);
- PIS(VSYNC3);
- PIS(ACBIAS_COUNT_STAT3);
- PIS(SYNC_LOST3);
- }
-#undef PIS
-}
-#endif
-
static void dispc_dump_regs(struct seq_file *s)
{
int i, j;
@@ -3616,16 +3406,19 @@ u32 dispc_read_irqstatus(void)
{
return dispc_read_reg(DISPC_IRQSTATUS);
}
+EXPORT_SYMBOL(dispc_read_irqstatus);
void dispc_clear_irqstatus(u32 mask)
{
dispc_write_reg(DISPC_IRQSTATUS, mask);
}
+EXPORT_SYMBOL(dispc_clear_irqstatus);
u32 dispc_read_irqenable(void)
{
return dispc_read_reg(DISPC_IRQENABLE);
}
+EXPORT_SYMBOL(dispc_read_irqenable);
void dispc_write_irqenable(u32 mask)
{
@@ -3636,376 +3429,7 @@ void dispc_write_irqenable(u32 mask)
dispc_write_reg(DISPC_IRQENABLE, mask);
}
-
-/* dispc.irq_lock has to be locked by the caller */
-static void _omap_dispc_set_irqs(void)
-{
- u32 mask;
- int i;
- struct omap_dispc_isr_data *isr_data;
-
- mask = dispc.irq_error_mask;
-
- for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
- isr_data = &dispc.registered_isr[i];
-
- if (isr_data->isr == NULL)
- continue;
-
- mask |= isr_data->mask;
- }
-
- dispc_write_irqenable(mask);
-}
-
-int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask)
-{
- int i;
- int ret;
- unsigned long flags;
- struct omap_dispc_isr_data *isr_data;
-
- if (isr == NULL)
- return -EINVAL;
-
- spin_lock_irqsave(&dispc.irq_lock, flags);
-
- /* check for duplicate entry */
- for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
- isr_data = &dispc.registered_isr[i];
- if (isr_data->isr == isr && isr_data->arg == arg &&
- isr_data->mask == mask) {
- ret = -EINVAL;
- goto err;
- }
- }
-
- isr_data = NULL;
- ret = -EBUSY;
-
- for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
- isr_data = &dispc.registered_isr[i];
-
- if (isr_data->isr != NULL)
- continue;
-
- isr_data->isr = isr;
- isr_data->arg = arg;
- isr_data->mask = mask;
- ret = 0;
-
- break;
- }
-
- if (ret)
- goto err;
-
- _omap_dispc_set_irqs();
-
- spin_unlock_irqrestore(&dispc.irq_lock, flags);
-
- return 0;
-err:
- spin_unlock_irqrestore(&dispc.irq_lock, flags);
-
- return ret;
-}
-EXPORT_SYMBOL(omap_dispc_register_isr);
-
-int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask)
-{
- int i;
- unsigned long flags;
- int ret = -EINVAL;
- struct omap_dispc_isr_data *isr_data;
-
- spin_lock_irqsave(&dispc.irq_lock, flags);
-
- for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
- isr_data = &dispc.registered_isr[i];
- if (isr_data->isr != isr || isr_data->arg != arg ||
- isr_data->mask != mask)
- continue;
-
- /* found the correct isr */
-
- isr_data->isr = NULL;
- isr_data->arg = NULL;
- isr_data->mask = 0;
-
- ret = 0;
- break;
- }
-
- if (ret == 0)
- _omap_dispc_set_irqs();
-
- spin_unlock_irqrestore(&dispc.irq_lock, flags);
-
- return ret;
-}
-EXPORT_SYMBOL(omap_dispc_unregister_isr);
-
-static void print_irq_status(u32 status)
-{
- if ((status & dispc.irq_error_mask) == 0)
- return;
-
-#define PIS(x) (status & DISPC_IRQ_##x) ? (#x " ") : ""
-
- pr_debug("DISPC IRQ: 0x%x: %s%s%s%s%s%s%s%s%s\n",
- status,
- PIS(OCP_ERR),
- PIS(GFX_FIFO_UNDERFLOW),
- PIS(VID1_FIFO_UNDERFLOW),
- PIS(VID2_FIFO_UNDERFLOW),
- dss_feat_get_num_ovls() > 3 ? PIS(VID3_FIFO_UNDERFLOW) : "",
- PIS(SYNC_LOST),
- PIS(SYNC_LOST_DIGIT),
- dss_has_feature(FEAT_MGR_LCD2) ? PIS(SYNC_LOST2) : "",
- dss_has_feature(FEAT_MGR_LCD3) ? PIS(SYNC_LOST3) : "");
-#undef PIS
-}
-
-/* Called from dss.c. Note that we don't touch clocks here,
- * but we presume they are on because we got an IRQ. However,
- * an irq handler may turn the clocks off, so we may not have
- * clock later in the function. */
-static irqreturn_t omap_dispc_irq_handler(int irq, void *arg)
-{
- int i;
- u32 irqstatus, irqenable;
- u32 handledirqs = 0;
- u32 unhandled_errors;
- struct omap_dispc_isr_data *isr_data;
- struct omap_dispc_isr_data registered_isr[DISPC_MAX_NR_ISRS];
-
- spin_lock(&dispc.irq_lock);
-
- irqstatus = dispc_read_irqstatus();
- irqenable = dispc_read_irqenable();
-
- /* IRQ is not for us */
- if (!(irqstatus & irqenable)) {
- spin_unlock(&dispc.irq_lock);
- return IRQ_NONE;
- }
-
-#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
- spin_lock(&dispc.irq_stats_lock);
- dispc.irq_stats.irq_count++;
- dss_collect_irq_stats(irqstatus, dispc.irq_stats.irqs);
- spin_unlock(&dispc.irq_stats_lock);
-#endif
-
- print_irq_status(irqstatus);
-
- /* Ack the interrupt. Do it here before clocks are possibly turned
- * off */
- dispc_clear_irqstatus(irqstatus);
- /* flush posted write */
- dispc_read_irqstatus();
-
- /* make a copy and unlock, so that isrs can unregister
- * themselves */
- memcpy(registered_isr, dispc.registered_isr,
- sizeof(registered_isr));
-
- spin_unlock(&dispc.irq_lock);
-
- for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
- isr_data = &registered_isr[i];
-
- if (!isr_data->isr)
- continue;
-
- if (isr_data->mask & irqstatus) {
- isr_data->isr(isr_data->arg, irqstatus);
- handledirqs |= isr_data->mask;
- }
- }
-
- spin_lock(&dispc.irq_lock);
-
- unhandled_errors = irqstatus & ~handledirqs & dispc.irq_error_mask;
-
- if (unhandled_errors) {
- dispc.error_irqs |= unhandled_errors;
-
- dispc.irq_error_mask &= ~unhandled_errors;
- _omap_dispc_set_irqs();
-
- schedule_work(&dispc.error_work);
- }
-
- spin_unlock(&dispc.irq_lock);
-
- return IRQ_HANDLED;
-}
-
-static void dispc_error_worker(struct work_struct *work)
-{
- int i;
- u32 errors;
- unsigned long flags;
- static const unsigned fifo_underflow_bits[] = {
- DISPC_IRQ_GFX_FIFO_UNDERFLOW,
- DISPC_IRQ_VID1_FIFO_UNDERFLOW,
- DISPC_IRQ_VID2_FIFO_UNDERFLOW,
- DISPC_IRQ_VID3_FIFO_UNDERFLOW,
- };
-
- spin_lock_irqsave(&dispc.irq_lock, flags);
- errors = dispc.error_irqs;
- dispc.error_irqs = 0;
- spin_unlock_irqrestore(&dispc.irq_lock, flags);
-
- dispc_runtime_get();
-
- for (i = 0; i < omap_dss_get_num_overlays(); ++i) {
- struct omap_overlay *ovl;
- unsigned bit;
-
- ovl = omap_dss_get_overlay(i);
- bit = fifo_underflow_bits[i];
-
- if (bit & errors) {
- DSSERR("FIFO UNDERFLOW on %s, disabling the overlay\n",
- ovl->name);
- dispc_ovl_enable(ovl->id, false);
- dispc_mgr_go(ovl->manager->id);
- msleep(50);
- }
- }
-
- for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
- struct omap_overlay_manager *mgr;
- unsigned bit;
-
- mgr = omap_dss_get_overlay_manager(i);
- bit = mgr_desc[i].sync_lost_irq;
-
- if (bit & errors) {
- int j;
-
- DSSERR("SYNC_LOST on channel %s, restarting the output "
- "with video overlays disabled\n",
- mgr->name);
-
- dss_mgr_disable(mgr);
-
- for (j = 0; j < omap_dss_get_num_overlays(); ++j) {
- struct omap_overlay *ovl;
- ovl = omap_dss_get_overlay(j);
-
- if (ovl->id != OMAP_DSS_GFX &&
- ovl->manager == mgr)
- ovl->disable(ovl);
- }
-
- dss_mgr_enable(mgr);
- }
- }
-
- if (errors & DISPC_IRQ_OCP_ERR) {
- DSSERR("OCP_ERR\n");
- for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
- struct omap_overlay_manager *mgr;
-
- mgr = omap_dss_get_overlay_manager(i);
- dss_mgr_disable(mgr);
- }
- }
-
- spin_lock_irqsave(&dispc.irq_lock, flags);
- dispc.irq_error_mask |= errors;
- _omap_dispc_set_irqs();
- spin_unlock_irqrestore(&dispc.irq_lock, flags);
-
- dispc_runtime_put();
-}
-
-int omap_dispc_wait_for_irq_timeout(u32 irqmask, unsigned long timeout)
-{
- void dispc_irq_wait_handler(void *data, u32 mask)
- {
- complete((struct completion *)data);
- }
-
- int r;
- DECLARE_COMPLETION_ONSTACK(completion);
-
- r = omap_dispc_register_isr(dispc_irq_wait_handler, &completion,
- irqmask);
-
- if (r)
- return r;
-
- timeout = wait_for_completion_timeout(&completion, timeout);
-
- omap_dispc_unregister_isr(dispc_irq_wait_handler, &completion, irqmask);
-
- if (timeout == 0)
- return -ETIMEDOUT;
-
- return 0;
-}
-
-int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask,
- unsigned long timeout)
-{
- void dispc_irq_wait_handler(void *data, u32 mask)
- {
- complete((struct completion *)data);
- }
-
- int r;
- DECLARE_COMPLETION_ONSTACK(completion);
-
- r = omap_dispc_register_isr(dispc_irq_wait_handler, &completion,
- irqmask);
-
- if (r)
- return r;
-
- timeout = wait_for_completion_interruptible_timeout(&completion,
- timeout);
-
- omap_dispc_unregister_isr(dispc_irq_wait_handler, &completion, irqmask);
-
- if (timeout == 0)
- return -ETIMEDOUT;
-
- if (timeout == -ERESTARTSYS)
- return -ERESTARTSYS;
-
- return 0;
-}
-
-static void _omap_dispc_initialize_irq(void)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&dispc.irq_lock, flags);
-
- memset(dispc.registered_isr, 0, sizeof(dispc.registered_isr));
-
- dispc.irq_error_mask = DISPC_IRQ_MASK_ERROR;
- if (dss_has_feature(FEAT_MGR_LCD2))
- dispc.irq_error_mask |= DISPC_IRQ_SYNC_LOST2;
- if (dss_has_feature(FEAT_MGR_LCD3))
- dispc.irq_error_mask |= DISPC_IRQ_SYNC_LOST3;
- if (dss_feat_get_num_ovls() > 3)
- dispc.irq_error_mask |= DISPC_IRQ_VID3_FIFO_UNDERFLOW;
-
- /* there's SYNC_LOST_DIGIT waiting after enabling the DSS,
- * so clear it */
- dispc_clear_irqstatus(dispc_read_irqstatus());
-
- _omap_dispc_set_irqs();
-
- spin_unlock_irqrestore(&dispc.irq_lock, flags);
-}
+EXPORT_SYMBOL(dispc_write_irqenable);
void dispc_enable_sidle(void)
{
@@ -4176,6 +3600,19 @@ static int __init dispc_init_features(struct platform_device *pdev)
return 0;
}
+int dispc_request_irq(irq_handler_t handler, void *dev_id)
+{
+ return devm_request_irq(&dispc.pdev->dev, dispc.irq, handler,
+ IRQF_SHARED, "OMAP DISPC", dev_id);
+}
+EXPORT_SYMBOL(dispc_request_irq);
+
+void dispc_free_irq(void *dev_id)
+{
+ devm_free_irq(&dispc.pdev->dev, dispc.irq, dev_id);
+}
+EXPORT_SYMBOL(dispc_free_irq);
+
/* DISPC HW IP initialisation */
static int __init omap_dispchw_probe(struct platform_device *pdev)
{
@@ -4190,15 +3627,6 @@ static int __init omap_dispchw_probe(struct platform_device *pdev)
if (r)
return r;
- spin_lock_init(&dispc.irq_lock);
-
-#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
- spin_lock_init(&dispc.irq_stats_lock);
- dispc.irq_stats.last_reset = jiffies;
-#endif
-
- INIT_WORK(&dispc.error_work, dispc_error_worker);
-
dispc_mem = platform_get_resource(dispc.pdev, IORESOURCE_MEM, 0);
if (!dispc_mem) {
DSSERR("can't get IORESOURCE_MEM DISPC\n");
@@ -4218,13 +3646,6 @@ static int __init omap_dispchw_probe(struct platform_device *pdev)
return -ENODEV;
}
- r = devm_request_irq(&pdev->dev, dispc.irq, omap_dispc_irq_handler,
- IRQF_SHARED, "OMAP DISPC", dispc.pdev);
- if (r < 0) {
- DSSERR("request_irq failed\n");
- return r;
- }
-
clk = clk_get(&pdev->dev, "fck");
if (IS_ERR(clk)) {
DSSERR("can't get fck\n");
@@ -4242,8 +3663,6 @@ static int __init omap_dispchw_probe(struct platform_device *pdev)
_omap_dispc_initial_config();
- _omap_dispc_initialize_irq();
-
rev = dispc_read_reg(DISPC_REVISION);
dev_dbg(&pdev->dev, "OMAP DISPC rev %d.%d\n",
FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0));
@@ -4252,9 +3671,6 @@ static int __init omap_dispchw_probe(struct platform_device *pdev)
dss_debugfs_create_file("dispc", dispc_dump_regs);
-#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
- dss_debugfs_create_file("dispc_irq", dispc_dump_irqs);
-#endif
return 0;
err_runtime_get:
diff --git a/drivers/video/omap2/dss/display.c b/drivers/video/omap2/dss/display.c
index 05f21b6231b..0aa8ad8f966 100644
--- a/drivers/video/omap2/dss/display.c
+++ b/drivers/video/omap2/dss/display.c
@@ -76,26 +76,6 @@ void omapdss_default_get_timings(struct omap_dss_device *dssdev,
}
EXPORT_SYMBOL(omapdss_default_get_timings);
-int dss_init_device(struct platform_device *pdev,
- struct omap_dss_device *dssdev)
-{
- int r;
-
- r = display_init_sysfs(pdev, dssdev);
- if (r) {
- omapdss_output_unset_device(dssdev->output);
- return r;
- }
-
- return 0;
-}
-
-void dss_uninit_device(struct platform_device *pdev,
- struct omap_dss_device *dssdev)
-{
- display_uninit_sysfs(pdev, dssdev);
-}
-
static int dss_suspend_device(struct device *dev, void *data)
{
struct omap_dss_device *dssdev = to_dss_device(dev);
diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c
index d5bc47a4f3e..6cbcc81991a 100644
--- a/drivers/video/omap2/dss/dpi.c
+++ b/drivers/video/omap2/dss/dpi.c
@@ -315,7 +315,7 @@ int dpi_check_timings(struct omap_dss_device *dssdev,
unsigned long pck;
struct dispc_clock_info dispc_cinfo;
- if (dss_mgr_check_timings(mgr, timings))
+ if (mgr && !dispc_mgr_timings_ok(mgr->id, timings))
return -EINVAL;
if (timings->pixel_clock == 0)
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index db9663dcfbd..28d41d16b7b 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -4535,7 +4535,7 @@ static void dsi_framedone_timeout_work_callback(struct work_struct *work)
dsi_handle_framedone(dsi->pdev, -ETIMEDOUT);
}
-static void dsi_framedone_irq_callback(void *data, u32 mask)
+static void dsi_framedone_irq_callback(void *data)
{
struct platform_device *dsidev = (struct platform_device *) data;
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
@@ -4609,7 +4609,6 @@ static int dsi_display_init_dispc(struct omap_dss_device *dssdev)
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
struct omap_overlay_manager *mgr = dssdev->output->manager;
int r;
- u32 irq = 0;
if (dsi->mode == OMAP_DSS_DSI_CMD_MODE) {
dsi->timings.hsw = 1;
@@ -4619,12 +4618,10 @@ static int dsi_display_init_dispc(struct omap_dss_device *dssdev)
dsi->timings.vfp = 0;
dsi->timings.vbp = 0;
- irq = dispc_mgr_get_framedone_irq(mgr->id);
-
- r = omap_dispc_register_isr(dsi_framedone_irq_callback,
- (void *) dsidev, irq);
+ r = dss_mgr_register_framedone_handler(mgr,
+ dsi_framedone_irq_callback, dsidev);
if (r) {
- DSSERR("can't get FRAMEDONE irq\n");
+ DSSERR("can't register FRAMEDONE handler\n");
goto err;
}
@@ -4662,8 +4659,8 @@ static int dsi_display_init_dispc(struct omap_dss_device *dssdev)
return 0;
err1:
if (dsi->mode == OMAP_DSS_DSI_CMD_MODE)
- omap_dispc_unregister_isr(dsi_framedone_irq_callback,
- (void *) dsidev, irq);
+ dss_mgr_unregister_framedone_handler(mgr,
+ dsi_framedone_irq_callback, dsidev);
err:
return r;
}
@@ -4674,14 +4671,9 @@ static void dsi_display_uninit_dispc(struct omap_dss_device *dssdev)
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
struct omap_overlay_manager *mgr = dssdev->output->manager;
- if (dsi->mode == OMAP_DSS_DSI_CMD_MODE) {
- u32 irq;
-
- irq = dispc_mgr_get_framedone_irq(mgr->id);
-
- omap_dispc_unregister_isr(dsi_framedone_irq_callback,
- (void *) dsidev, irq);
- }
+ if (dsi->mode == OMAP_DSS_DSI_CMD_MODE)
+ dss_mgr_unregister_framedone_handler(mgr,
+ dsi_framedone_irq_callback, dsidev);
}
static int dsi_configure_dsi_clocks(struct omap_dss_device *dssdev)
diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
index bdf84313566..ebe9e08b2a9 100644
--- a/drivers/video/omap2/dss/dss.h
+++ b/drivers/video/omap2/dss/dss.h
@@ -23,6 +23,8 @@
#ifndef __OMAP2_DSS_H
#define __OMAP2_DSS_H
+#include <linux/interrupt.h>
+
#ifdef pr_fmt
#undef pr_fmt
#endif
@@ -177,38 +179,6 @@ void dss_put_device(struct omap_dss_device *dssdev);
void dss_copy_device_pdata(struct omap_dss_device *dst,
const struct omap_dss_device *src);
-/* apply */
-void dss_apply_init(void);
-int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr);
-int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl);
-void dss_mgr_start_update(struct omap_overlay_manager *mgr);
-int omap_dss_mgr_apply(struct omap_overlay_manager *mgr);
-
-int dss_mgr_enable(struct omap_overlay_manager *mgr);
-void dss_mgr_disable(struct omap_overlay_manager *mgr);
-int dss_mgr_set_info(struct omap_overlay_manager *mgr,
- struct omap_overlay_manager_info *info);
-void dss_mgr_get_info(struct omap_overlay_manager *mgr,
- struct omap_overlay_manager_info *info);
-int dss_mgr_set_output(struct omap_overlay_manager *mgr,
- struct omap_dss_output *output);
-int dss_mgr_unset_output(struct omap_overlay_manager *mgr);
-void dss_mgr_set_timings(struct omap_overlay_manager *mgr,
- const struct omap_video_timings *timings);
-void dss_mgr_set_lcd_config(struct omap_overlay_manager *mgr,
- const struct dss_lcd_mgr_config *config);
-
-bool dss_ovl_is_enabled(struct omap_overlay *ovl);
-int dss_ovl_enable(struct omap_overlay *ovl);
-int dss_ovl_disable(struct omap_overlay *ovl);
-int dss_ovl_set_info(struct omap_overlay *ovl,
- struct omap_overlay_info *info);
-void dss_ovl_get_info(struct omap_overlay *ovl,
- struct omap_overlay_info *info);
-int dss_ovl_set_manager(struct omap_overlay *ovl,
- struct omap_overlay_manager *mgr);
-int dss_ovl_unset_manager(struct omap_overlay *ovl);
-
/* output */
void dss_register_output(struct omap_dss_output *out);
void dss_unregister_output(struct omap_dss_output *out);
@@ -218,11 +188,6 @@ int dss_suspend_all_devices(void);
int dss_resume_all_devices(void);
void dss_disable_all_devices(void);
-int dss_init_device(struct platform_device *pdev,
- struct omap_dss_device *dssdev);
-void dss_uninit_device(struct platform_device *pdev,
- struct omap_dss_device *dssdev);
-
int display_init_sysfs(struct platform_device *pdev,
struct omap_dss_device *dssdev);
void display_uninit_sysfs(struct platform_device *pdev,
@@ -400,13 +365,6 @@ void dpi_uninit_platform_driver(void) __exit;
int dispc_init_platform_driver(void) __init;
void dispc_uninit_platform_driver(void) __exit;
void dispc_dump_clocks(struct seq_file *s);
-u32 dispc_read_irqstatus(void);
-void dispc_clear_irqstatus(u32 mask);
-u32 dispc_read_irqenable(void);
-void dispc_write_irqenable(u32 mask);
-
-int dispc_runtime_get(void);
-void dispc_runtime_put(void);
void dispc_enable_sidle(void);
void dispc_disable_sidle(void);
@@ -430,27 +388,7 @@ void dispc_ovl_set_fifo_threshold(enum omap_plane plane, u32 low, u32 high);
void dispc_ovl_compute_fifo_thresholds(enum omap_plane plane,
u32 *fifo_low, u32 *fifo_high, bool use_fifomerge,
bool manual_update);
-int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
- bool replication, const struct omap_video_timings *mgr_timings,
- bool mem_to_mem);
-int dispc_ovl_enable(enum omap_plane plane, bool enable);
-bool dispc_ovl_enabled(enum omap_plane plane);
-void dispc_ovl_set_channel_out(enum omap_plane plane,
- enum omap_channel channel);
-
-u32 dispc_mgr_get_vsync_irq(enum omap_channel channel);
-u32 dispc_mgr_get_framedone_irq(enum omap_channel channel);
-u32 dispc_mgr_get_sync_lost_irq(enum omap_channel channel);
-bool dispc_mgr_go_busy(enum omap_channel channel);
-void dispc_mgr_go(enum omap_channel channel);
-void dispc_mgr_enable(enum omap_channel channel, bool enable);
-bool dispc_mgr_is_enabled(enum omap_channel channel);
-void dispc_mgr_enable_sync(enum omap_channel channel);
-void dispc_mgr_disable_sync(enum omap_channel channel);
-void dispc_mgr_set_lcd_config(enum omap_channel channel,
- const struct dss_lcd_mgr_config *config);
-void dispc_mgr_set_timings(enum omap_channel channel,
- const struct omap_video_timings *timings);
+
unsigned long dispc_mgr_lclk_rate(enum omap_channel channel);
unsigned long dispc_mgr_pclk_rate(enum omap_channel channel);
unsigned long dispc_core_clk_rate(void);
@@ -458,8 +396,6 @@ void dispc_mgr_set_clock_div(enum omap_channel channel,
const struct dispc_clock_info *cinfo);
int dispc_mgr_get_clock_div(enum omap_channel channel,
struct dispc_clock_info *cinfo);
-void dispc_mgr_setup(enum omap_channel channel,
- const struct omap_overlay_manager_info *info);
u32 dispc_wb_get_framedone_irq(void);
bool dispc_wb_go_busy(void);
diff --git a/drivers/video/omap2/dss/dss_features.c b/drivers/video/omap2/dss/dss_features.c
index 1d125c6bfd1..18688c12e30 100644
--- a/drivers/video/omap2/dss/dss_features.c
+++ b/drivers/video/omap2/dss/dss_features.c
@@ -18,6 +18,7 @@
*/
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/types.h>
#include <linux/err.h>
#include <linux/slab.h>
@@ -839,11 +840,13 @@ int dss_feat_get_num_mgrs(void)
{
return omap_current_dss_features->num_mgrs;
}
+EXPORT_SYMBOL(dss_feat_get_num_mgrs);
int dss_feat_get_num_ovls(void)
{
return omap_current_dss_features->num_ovls;
}
+EXPORT_SYMBOL(dss_feat_get_num_ovls);
int dss_feat_get_num_wbs(void)
{
@@ -864,16 +867,19 @@ enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel
{
return omap_current_dss_features->supported_displays[channel];
}
+EXPORT_SYMBOL(dss_feat_get_supported_displays);
enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel)
{
return omap_current_dss_features->supported_outputs[channel];
}
+EXPORT_SYMBOL(dss_feat_get_supported_outputs);
enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane)
{
return omap_current_dss_features->supported_color_modes[plane];
}
+EXPORT_SYMBOL(dss_feat_get_supported_color_modes);
enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane)
{
diff --git a/drivers/video/omap2/dss/dss_features.h b/drivers/video/omap2/dss/dss_features.h
index 385b0afe63c..489b9bec4a6 100644
--- a/drivers/video/omap2/dss/dss_features.h
+++ b/drivers/video/omap2/dss/dss_features.h
@@ -101,14 +101,9 @@ enum dss_range_param {
};
/* DSS Feature Functions */
-int dss_feat_get_num_mgrs(void);
-int dss_feat_get_num_ovls(void);
int dss_feat_get_num_wbs(void);
unsigned long dss_feat_get_param_min(enum dss_range_param param);
unsigned long dss_feat_get_param_max(enum dss_range_param param);
-enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel);
-enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel);
-enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane);
enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane);
bool dss_feat_color_mode_supported(enum omap_plane plane,
enum omap_color_mode color_mode);
diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c
index c54d2f620ce..2551eaa14c4 100644
--- a/drivers/video/omap2/dss/manager.c
+++ b/drivers/video/omap2/dss/manager.c
@@ -36,36 +36,6 @@
static int num_managers;
static struct omap_overlay_manager *managers;
-static inline struct omap_dss_device *dss_mgr_get_device(struct omap_overlay_manager *mgr)
-{
- return mgr->output ? mgr->output->device : NULL;
-}
-
-static int dss_mgr_wait_for_vsync(struct omap_overlay_manager *mgr)
-{
- unsigned long timeout = msecs_to_jiffies(500);
- struct omap_dss_device *dssdev = mgr->get_device(mgr);
- u32 irq;
- int r;
-
- r = dispc_runtime_get();
- if (r)
- return r;
-
- if (dssdev->type == OMAP_DISPLAY_TYPE_VENC)
- irq = DISPC_IRQ_EVSYNC_ODD;
- else if (dssdev->type == OMAP_DISPLAY_TYPE_HDMI)
- irq = DISPC_IRQ_EVSYNC_EVEN;
- else
- irq = dispc_mgr_get_vsync_irq(mgr->id);
-
- r = omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout);
-
- dispc_runtime_put();
-
- return r;
-}
-
int dss_init_overlay_managers(struct platform_device *pdev)
{
int i, r;
@@ -99,15 +69,6 @@ int dss_init_overlay_managers(struct platform_device *pdev)
break;
}
- mgr->set_output = &dss_mgr_set_output;
- mgr->unset_output = &dss_mgr_unset_output;
- mgr->apply = &omap_dss_mgr_apply;
- mgr->set_manager_info = &dss_mgr_set_info;
- mgr->get_manager_info = &dss_mgr_get_info;
- mgr->wait_for_go = &dss_mgr_wait_for_go;
- mgr->wait_for_vsync = &dss_mgr_wait_for_vsync;
- mgr->get_device = &dss_mgr_get_device;
-
mgr->caps = 0;
mgr->supported_displays =
dss_feat_get_supported_displays(mgr->id);
diff --git a/drivers/video/omap2/dss/output.c b/drivers/video/omap2/dss/output.c
index 1a84b79d558..79dea1a1a73 100644
--- a/drivers/video/omap2/dss/output.c
+++ b/drivers/video/omap2/dss/output.c
@@ -113,3 +113,68 @@ struct omap_dss_output *omap_dss_get_output(enum omap_dss_output_id id)
return NULL;
}
+
+static const struct dss_mgr_ops *dss_mgr_ops;
+
+int dss_install_mgr_ops(const struct dss_mgr_ops *mgr_ops)
+{
+ if (dss_mgr_ops)
+ return -EBUSY;
+
+ dss_mgr_ops = mgr_ops;
+
+ return 0;
+}
+EXPORT_SYMBOL(dss_install_mgr_ops);
+
+void dss_uninstall_mgr_ops(void)
+{
+ dss_mgr_ops = NULL;
+}
+EXPORT_SYMBOL(dss_uninstall_mgr_ops);
+
+void dss_mgr_set_timings(struct omap_overlay_manager *mgr,
+ const struct omap_video_timings *timings)
+{
+ dss_mgr_ops->set_timings(mgr, timings);
+}
+EXPORT_SYMBOL(dss_mgr_set_timings);
+
+void dss_mgr_set_lcd_config(struct omap_overlay_manager *mgr,
+ const struct dss_lcd_mgr_config *config)
+{
+ dss_mgr_ops->set_lcd_config(mgr, config);
+}
+EXPORT_SYMBOL(dss_mgr_set_lcd_config);
+
+int dss_mgr_enable(struct omap_overlay_manager *mgr)
+{
+ return dss_mgr_ops->enable(mgr);
+}
+EXPORT_SYMBOL(dss_mgr_enable);
+
+void dss_mgr_disable(struct omap_overlay_manager *mgr)
+{
+ dss_mgr_ops->disable(mgr);
+}
+EXPORT_SYMBOL(dss_mgr_disable);
+
+void dss_mgr_start_update(struct omap_overlay_manager *mgr)
+{
+ dss_mgr_ops->start_update(mgr);
+}
+EXPORT_SYMBOL(dss_mgr_start_update);
+
+int dss_mgr_register_framedone_handler(struct omap_overlay_manager *mgr,
+ void (*handler)(void *), void *data)
+{
+ return dss_mgr_ops->register_framedone_handler(mgr, handler, data);
+}
+EXPORT_SYMBOL(dss_mgr_register_framedone_handler);
+
+void dss_mgr_unregister_framedone_handler(struct omap_overlay_manager *mgr,
+ void (*handler)(void *), void *data)
+{
+ dss_mgr_ops->unregister_framedone_handler(mgr, handler, data);
+}
+EXPORT_SYMBOL(dss_mgr_unregister_framedone_handler);
diff --git a/drivers/video/omap2/dss/overlay.c b/drivers/video/omap2/dss/overlay.c
index 45f4994bc6b..eccde322c28 100644
--- a/drivers/video/omap2/dss/overlay.c
+++ b/drivers/video/omap2/dss/overlay.c
@@ -38,13 +38,6 @@
static int num_overlays;
static struct omap_overlay *overlays;
-static inline struct omap_dss_device *dss_ovl_get_device(struct omap_overlay *ovl)
-{
- return ovl->manager ?
- (ovl->manager->output ? ovl->manager->output->device : NULL) :
- NULL;
-}
-
int omap_dss_get_num_overlays(void)
{
return num_overlays;
@@ -93,16 +86,6 @@ void dss_init_overlays(struct platform_device *pdev)
break;
}
- ovl->is_enabled = &dss_ovl_is_enabled;
- ovl->enable = &dss_ovl_enable;
- ovl->disable = &dss_ovl_disable;
- ovl->set_manager = &dss_ovl_set_manager;
- ovl->unset_manager = &dss_ovl_unset_manager;
- ovl->set_overlay_info = &dss_ovl_set_info;
- ovl->get_overlay_info = &dss_ovl_get_info;
- ovl->wait_for_go = &dss_mgr_wait_for_go_ovl;
- ovl->get_device = &dss_ovl_get_device;
-
ovl->caps = dss_feat_get_overlay_caps(ovl->id);
ovl->supported_modes =
dss_feat_get_supported_color_modes(ovl->id);
diff --git a/drivers/video/omap2/dss/rfbi.c b/drivers/video/omap2/dss/rfbi.c
index ec9fde52716..e903dd3f54d 100644
--- a/drivers/video/omap2/dss/rfbi.c
+++ b/drivers/video/omap2/dss/rfbi.c
@@ -342,7 +342,7 @@ static int rfbi_transfer_area(struct omap_dss_device *dssdev,
return 0;
}
-static void framedone_callback(void *data, u32 mask)
+static void framedone_callback(void *data)
{
void (*callback)(void *data);
@@ -908,8 +908,8 @@ int omapdss_rfbi_display_enable(struct omap_dss_device *dssdev)
goto err0;
}
- r = omap_dispc_register_isr(framedone_callback, NULL,
- DISPC_IRQ_FRAMEDONE);
+ r = dss_mgr_register_framedone_handler(out->manager,
+ framedone_callback, NULL);
if (r) {
DSSERR("can't get FRAMEDONE irq\n");
goto err1;
@@ -933,8 +933,10 @@ EXPORT_SYMBOL(omapdss_rfbi_display_enable);
void omapdss_rfbi_display_disable(struct omap_dss_device *dssdev)
{
- omap_dispc_unregister_isr(framedone_callback, NULL,
- DISPC_IRQ_FRAMEDONE);
+ struct omap_dss_output *out = dssdev->output;
+
+ dss_mgr_unregister_framedone_handler(out->manager,
+ framedone_callback, NULL);
omap_dss_stop_device(dssdev);
rfbi_runtime_put();
diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
index 1f60741a788..4fa9487a872 100644
--- a/drivers/video/omap2/omapfb/omapfb-main.c
+++ b/drivers/video/omap2/omapfb/omapfb-main.c
@@ -2425,6 +2425,9 @@ static int __init omapfb_probe(struct platform_device *pdev)
"ignoring the module parameter vrfb=y\n");
}
+ r = omapdss_compat_init();
+ if (r)
+ goto err0;
mutex_init(&fbdev->mtx);
@@ -2544,6 +2547,7 @@ static int __init omapfb_probe(struct platform_device *pdev)
cleanup:
omapfb_free_resources(fbdev);
+ omapdss_compat_uninit();
err0:
dev_err(&pdev->dev, "failed to setup omapfb\n");
return r;
@@ -2559,6 +2563,8 @@ static int __exit omapfb_remove(struct platform_device *pdev)
omapfb_free_resources(fbdev);
+ omapdss_compat_uninit();
+
return 0;
}