diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/platform/omap/omap_vout.c | 17 | ||||
| -rw-r--r-- | drivers/staging/omapdrm/omap_drv.c | 11 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/Makefile | 7 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/apply.c | 246 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/core.c | 15 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/dispc-compat.c | 667 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/dispc-compat.h | 30 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/dispc.c | 732 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/display.c | 20 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/dpi.c | 2 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/dsi.c | 26 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/dss.h | 70 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/dss_features.c | 6 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/dss_features.h | 5 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/manager.c | 39 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/output.c | 65 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/overlay.c | 17 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/rfbi.c | 12 | ||||
| -rw-r--r-- | drivers/video/omap2/omapfb/omapfb-main.c | 6 |
19 files changed, 1124 insertions, 869 deletions
diff --git a/drivers/media/platform/omap/omap_vout.c b/drivers/media/platform/omap/omap_vout.c index a2cc634eb42e..e8cac9e55bc9 100644 --- a/drivers/media/platform/omap/omap_vout.c +++ b/drivers/media/platform/omap/omap_vout.c | |||
| @@ -2184,14 +2184,23 @@ static int __init omap_vout_probe(struct platform_device *pdev) | |||
| 2184 | struct omap_dss_device *def_display; | 2184 | struct omap_dss_device *def_display; |
| 2185 | struct omap2video_device *vid_dev = NULL; | 2185 | struct omap2video_device *vid_dev = NULL; |
| 2186 | 2186 | ||
| 2187 | ret = omapdss_compat_init(); | ||
| 2188 | if (ret) { | ||
| 2189 | dev_err(&pdev->dev, "failed to init dss\n"); | ||
| 2190 | return ret; | ||
| 2191 | } | ||
| 2192 | |||
| 2187 | if (pdev->num_resources == 0) { | 2193 | if (pdev->num_resources == 0) { |
| 2188 | dev_err(&pdev->dev, "probed for an unknown device\n"); | 2194 | dev_err(&pdev->dev, "probed for an unknown device\n"); |
| 2189 | return -ENODEV; | 2195 | ret = -ENODEV; |
| 2196 | goto err_dss_init; | ||
| 2190 | } | 2197 | } |
| 2191 | 2198 | ||
| 2192 | vid_dev = kzalloc(sizeof(struct omap2video_device), GFP_KERNEL); | 2199 | vid_dev = kzalloc(sizeof(struct omap2video_device), GFP_KERNEL); |
| 2193 | if (vid_dev == NULL) | 2200 | if (vid_dev == NULL) { |
| 2194 | return -ENOMEM; | 2201 | ret = -ENOMEM; |
| 2202 | goto err_dss_init; | ||
| 2203 | } | ||
| 2195 | 2204 | ||
| 2196 | vid_dev->num_displays = 0; | 2205 | vid_dev->num_displays = 0; |
| 2197 | for_each_dss_dev(dssdev) { | 2206 | for_each_dss_dev(dssdev) { |
| @@ -2286,6 +2295,8 @@ probe_err1: | |||
| 2286 | } | 2295 | } |
| 2287 | probe_err0: | 2296 | probe_err0: |
| 2288 | kfree(vid_dev); | 2297 | kfree(vid_dev); |
| 2298 | err_dss_init: | ||
| 2299 | omapdss_compat_uninit(); | ||
| 2289 | return ret; | 2300 | return ret; |
| 2290 | } | 2301 | } |
| 2291 | 2302 | ||
diff --git a/drivers/staging/omapdrm/omap_drv.c b/drivers/staging/omapdrm/omap_drv.c index ebdb0b676737..2bf72591817a 100644 --- a/drivers/staging/omapdrm/omap_drv.c +++ b/drivers/staging/omapdrm/omap_drv.c | |||
| @@ -572,6 +572,14 @@ static int dev_load(struct drm_device *dev, unsigned long flags) | |||
| 572 | 572 | ||
| 573 | dev->dev_private = priv; | 573 | dev->dev_private = priv; |
| 574 | 574 | ||
| 575 | ret = omapdss_compat_init(); | ||
| 576 | if (ret) { | ||
| 577 | dev_err(dev->dev, "coult not init omapdss\n"); | ||
| 578 | dev->dev_private = NULL; | ||
| 579 | kfree(priv); | ||
| 580 | return ret; | ||
| 581 | } | ||
| 582 | |||
| 575 | priv->wq = alloc_ordered_workqueue("omapdrm", 0); | 583 | priv->wq = alloc_ordered_workqueue("omapdrm", 0); |
| 576 | 584 | ||
| 577 | INIT_LIST_HEAD(&priv->obj_list); | 585 | INIT_LIST_HEAD(&priv->obj_list); |
| @@ -583,6 +591,7 @@ static int dev_load(struct drm_device *dev, unsigned long flags) | |||
| 583 | dev_err(dev->dev, "omap_modeset_init failed: ret=%d\n", ret); | 591 | dev_err(dev->dev, "omap_modeset_init failed: ret=%d\n", ret); |
| 584 | dev->dev_private = NULL; | 592 | dev->dev_private = NULL; |
| 585 | kfree(priv); | 593 | kfree(priv); |
| 594 | omapdss_compat_uninit(); | ||
| 586 | return ret; | 595 | return ret; |
| 587 | } | 596 | } |
| 588 | 597 | ||
| @@ -618,6 +627,8 @@ static int dev_unload(struct drm_device *dev) | |||
| 618 | flush_workqueue(priv->wq); | 627 | flush_workqueue(priv->wq); |
| 619 | destroy_workqueue(priv->wq); | 628 | destroy_workqueue(priv->wq); |
| 620 | 629 | ||
| 630 | omapdss_compat_uninit(); | ||
| 631 | |||
| 621 | kfree(dev->dev_private); | 632 | kfree(dev->dev_private); |
| 622 | dev->dev_private = NULL; | 633 | dev->dev_private = NULL; |
| 623 | 634 | ||
diff --git a/drivers/video/omap2/dss/Makefile b/drivers/video/omap2/dss/Makefile index af866d0b7942..61949ff7940c 100644 --- a/drivers/video/omap2/dss/Makefile +++ b/drivers/video/omap2/dss/Makefile | |||
| @@ -1,7 +1,10 @@ | |||
| 1 | obj-$(CONFIG_OMAP2_DSS) += omapdss.o | 1 | obj-$(CONFIG_OMAP2_DSS) += omapdss.o |
| 2 | # Core DSS files | ||
| 2 | omapdss-y := core.o dss.o dss_features.o dispc.o dispc_coefs.o display.o \ | 3 | omapdss-y := core.o dss.o dss_features.o dispc.o dispc_coefs.o display.o \ |
| 3 | manager.o manager-sysfs.o overlay.o overlay-sysfs.o output.o apply.o \ | 4 | output.o |
| 4 | display-sysfs.o | 5 | # DSS compat layer files |
| 6 | omapdss-y += manager.o manager-sysfs.o overlay.o overlay-sysfs.o apply.o \ | ||
| 7 | dispc-compat.o display-sysfs.o | ||
| 5 | omapdss-$(CONFIG_OMAP2_DSS_DPI) += dpi.o | 8 | omapdss-$(CONFIG_OMAP2_DSS_DPI) += dpi.o |
| 6 | omapdss-$(CONFIG_OMAP2_DSS_RFBI) += rfbi.o | 9 | omapdss-$(CONFIG_OMAP2_DSS_RFBI) += rfbi.o |
| 7 | omapdss-$(CONFIG_OMAP2_DSS_VENC) += venc.o venc_panel.o | 10 | omapdss-$(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 4a5cc5c64d4b..d446bdfc4c82 100644 --- a/drivers/video/omap2/dss/apply.c +++ b/drivers/video/omap2/dss/apply.c | |||
| @@ -18,6 +18,7 @@ | |||
| 18 | #define DSS_SUBSYS_NAME "APPLY" | 18 | #define DSS_SUBSYS_NAME "APPLY" |
| 19 | 19 | ||
| 20 | #include <linux/kernel.h> | 20 | #include <linux/kernel.h> |
| 21 | #include <linux/module.h> | ||
| 21 | #include <linux/slab.h> | 22 | #include <linux/slab.h> |
| 22 | #include <linux/spinlock.h> | 23 | #include <linux/spinlock.h> |
| 23 | #include <linux/jiffies.h> | 24 | #include <linux/jiffies.h> |
| @@ -26,6 +27,7 @@ | |||
| 26 | 27 | ||
| 27 | #include "dss.h" | 28 | #include "dss.h" |
| 28 | #include "dss_features.h" | 29 | #include "dss_features.h" |
| 30 | #include "dispc-compat.h" | ||
| 29 | 31 | ||
| 30 | /* | 32 | /* |
| 31 | * We have 4 levels of cache for the dispc settings. First two are in SW and | 33 | * We have 4 levels of cache for the dispc settings. First two are in SW and |
| @@ -104,6 +106,9 @@ struct mgr_priv_data { | |||
| 104 | 106 | ||
| 105 | struct omap_video_timings timings; | 107 | struct omap_video_timings timings; |
| 106 | struct dss_lcd_mgr_config lcd_config; | 108 | struct dss_lcd_mgr_config lcd_config; |
| 109 | |||
| 110 | void (*framedone_handler)(void *); | ||
| 111 | void *framedone_handler_data; | ||
| 107 | }; | 112 | }; |
| 108 | 113 | ||
| 109 | static struct { | 114 | static struct { |
| @@ -131,7 +136,7 @@ static struct mgr_priv_data *get_mgr_priv(struct omap_overlay_manager *mgr) | |||
| 131 | return &dss_data.mgr_priv_data_array[mgr->id]; | 136 | return &dss_data.mgr_priv_data_array[mgr->id]; |
| 132 | } | 137 | } |
| 133 | 138 | ||
| 134 | void dss_apply_init(void) | 139 | static void apply_init_priv(void) |
| 135 | { | 140 | { |
| 136 | const int num_ovls = dss_feat_get_num_ovls(); | 141 | const int num_ovls = dss_feat_get_num_ovls(); |
| 137 | struct mgr_priv_data *mp; | 142 | struct mgr_priv_data *mp; |
| @@ -415,7 +420,44 @@ static void wait_pending_extra_info_updates(void) | |||
| 415 | DSSWARN("timeout in wait_pending_extra_info_updates\n"); | 420 | DSSWARN("timeout in wait_pending_extra_info_updates\n"); |
| 416 | } | 421 | } |
| 417 | 422 | ||
| 418 | int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr) | 423 | static inline struct omap_dss_device *dss_ovl_get_device(struct omap_overlay *ovl) |
| 424 | { | ||
| 425 | return ovl->manager ? | ||
| 426 | (ovl->manager->output ? ovl->manager->output->device : NULL) : | ||
| 427 | NULL; | ||
| 428 | } | ||
| 429 | |||
| 430 | static inline struct omap_dss_device *dss_mgr_get_device(struct omap_overlay_manager *mgr) | ||
| 431 | { | ||
| 432 | return mgr->output ? mgr->output->device : NULL; | ||
| 433 | } | ||
| 434 | |||
| 435 | static int dss_mgr_wait_for_vsync(struct omap_overlay_manager *mgr) | ||
| 436 | { | ||
| 437 | unsigned long timeout = msecs_to_jiffies(500); | ||
| 438 | struct omap_dss_device *dssdev = mgr->get_device(mgr); | ||
| 439 | u32 irq; | ||
| 440 | int r; | ||
| 441 | |||
| 442 | r = dispc_runtime_get(); | ||
| 443 | if (r) | ||
| 444 | return r; | ||
| 445 | |||
| 446 | if (dssdev->type == OMAP_DISPLAY_TYPE_VENC) | ||
| 447 | irq = DISPC_IRQ_EVSYNC_ODD; | ||
| 448 | else if (dssdev->type == OMAP_DISPLAY_TYPE_HDMI) | ||
| 449 | irq = DISPC_IRQ_EVSYNC_EVEN; | ||
| 450 | else | ||
| 451 | irq = dispc_mgr_get_vsync_irq(mgr->id); | ||
| 452 | |||
| 453 | r = omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout); | ||
| 454 | |||
| 455 | dispc_runtime_put(); | ||
| 456 | |||
| 457 | return r; | ||
| 458 | } | ||
| 459 | |||
| 460 | static int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr) | ||
| 419 | { | 461 | { |
| 420 | unsigned long timeout = msecs_to_jiffies(500); | 462 | unsigned long timeout = msecs_to_jiffies(500); |
| 421 | struct mgr_priv_data *mp = get_mgr_priv(mgr); | 463 | struct mgr_priv_data *mp = get_mgr_priv(mgr); |
| @@ -485,7 +527,7 @@ int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr) | |||
| 485 | return r; | 527 | return r; |
| 486 | } | 528 | } |
| 487 | 529 | ||
| 488 | int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl) | 530 | static int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl) |
| 489 | { | 531 | { |
| 490 | unsigned long timeout = msecs_to_jiffies(500); | 532 | unsigned long timeout = msecs_to_jiffies(500); |
| 491 | struct ovl_priv_data *op; | 533 | struct ovl_priv_data *op; |
| @@ -743,7 +785,7 @@ static void mgr_clear_shadow_dirty(struct omap_overlay_manager *mgr) | |||
| 743 | } | 785 | } |
| 744 | } | 786 | } |
| 745 | 787 | ||
| 746 | void dss_mgr_start_update(struct omap_overlay_manager *mgr) | 788 | static void dss_mgr_start_update_compat(struct omap_overlay_manager *mgr) |
| 747 | { | 789 | { |
| 748 | struct mgr_priv_data *mp = get_mgr_priv(mgr); | 790 | struct mgr_priv_data *mp = get_mgr_priv(mgr); |
| 749 | unsigned long flags; | 791 | unsigned long flags; |
| @@ -850,6 +892,21 @@ static void dss_apply_irq_handler(void *data, u32 mask) | |||
| 850 | if (!extra_updating) | 892 | if (!extra_updating) |
| 851 | complete_all(&extra_updated_completion); | 893 | complete_all(&extra_updated_completion); |
| 852 | 894 | ||
| 895 | /* call framedone handlers for manual update displays */ | ||
| 896 | for (i = 0; i < num_mgrs; i++) { | ||
| 897 | struct omap_overlay_manager *mgr; | ||
| 898 | struct mgr_priv_data *mp; | ||
| 899 | |||
| 900 | mgr = omap_dss_get_overlay_manager(i); | ||
| 901 | mp = get_mgr_priv(mgr); | ||
| 902 | |||
| 903 | if (!mgr_manual_update(mgr) || !mp->framedone_handler) | ||
| 904 | continue; | ||
| 905 | |||
| 906 | if (mask & dispc_mgr_get_framedone_irq(i)) | ||
| 907 | mp->framedone_handler(mp->framedone_handler_data); | ||
| 908 | } | ||
| 909 | |||
| 853 | if (!need_isr()) | 910 | if (!need_isr()) |
| 854 | dss_unregister_vsync_isr(); | 911 | dss_unregister_vsync_isr(); |
| 855 | 912 | ||
| @@ -884,7 +941,7 @@ static void omap_dss_mgr_apply_mgr(struct omap_overlay_manager *mgr) | |||
| 884 | mp->info = mp->user_info; | 941 | mp->info = mp->user_info; |
| 885 | } | 942 | } |
| 886 | 943 | ||
| 887 | int omap_dss_mgr_apply(struct omap_overlay_manager *mgr) | 944 | static int omap_dss_mgr_apply(struct omap_overlay_manager *mgr) |
| 888 | { | 945 | { |
| 889 | unsigned long flags; | 946 | unsigned long flags; |
| 890 | struct omap_overlay *ovl; | 947 | struct omap_overlay *ovl; |
| @@ -983,7 +1040,7 @@ static void dss_setup_fifos(void) | |||
| 983 | } | 1040 | } |
| 984 | } | 1041 | } |
| 985 | 1042 | ||
| 986 | int dss_mgr_enable(struct omap_overlay_manager *mgr) | 1043 | static int dss_mgr_enable_compat(struct omap_overlay_manager *mgr) |
| 987 | { | 1044 | { |
| 988 | struct mgr_priv_data *mp = get_mgr_priv(mgr); | 1045 | struct mgr_priv_data *mp = get_mgr_priv(mgr); |
| 989 | unsigned long flags; | 1046 | unsigned long flags; |
| @@ -1033,7 +1090,7 @@ err: | |||
| 1033 | return r; | 1090 | return r; |
| 1034 | } | 1091 | } |
| 1035 | 1092 | ||
| 1036 | void dss_mgr_disable(struct omap_overlay_manager *mgr) | 1093 | static void dss_mgr_disable_compat(struct omap_overlay_manager *mgr) |
| 1037 | { | 1094 | { |
| 1038 | struct mgr_priv_data *mp = get_mgr_priv(mgr); | 1095 | struct mgr_priv_data *mp = get_mgr_priv(mgr); |
| 1039 | unsigned long flags; | 1096 | unsigned long flags; |
| @@ -1057,7 +1114,7 @@ out: | |||
| 1057 | mutex_unlock(&apply_lock); | 1114 | mutex_unlock(&apply_lock); |
| 1058 | } | 1115 | } |
| 1059 | 1116 | ||
| 1060 | int dss_mgr_set_info(struct omap_overlay_manager *mgr, | 1117 | static int dss_mgr_set_info(struct omap_overlay_manager *mgr, |
| 1061 | struct omap_overlay_manager_info *info) | 1118 | struct omap_overlay_manager_info *info) |
| 1062 | { | 1119 | { |
| 1063 | struct mgr_priv_data *mp = get_mgr_priv(mgr); | 1120 | struct mgr_priv_data *mp = get_mgr_priv(mgr); |
| @@ -1078,7 +1135,7 @@ int dss_mgr_set_info(struct omap_overlay_manager *mgr, | |||
| 1078 | return 0; | 1135 | return 0; |
| 1079 | } | 1136 | } |
| 1080 | 1137 | ||
| 1081 | void dss_mgr_get_info(struct omap_overlay_manager *mgr, | 1138 | static void dss_mgr_get_info(struct omap_overlay_manager *mgr, |
| 1082 | struct omap_overlay_manager_info *info) | 1139 | struct omap_overlay_manager_info *info) |
| 1083 | { | 1140 | { |
| 1084 | struct mgr_priv_data *mp = get_mgr_priv(mgr); | 1141 | struct mgr_priv_data *mp = get_mgr_priv(mgr); |
| @@ -1091,7 +1148,7 @@ void dss_mgr_get_info(struct omap_overlay_manager *mgr, | |||
| 1091 | spin_unlock_irqrestore(&data_lock, flags); | 1148 | spin_unlock_irqrestore(&data_lock, flags); |
| 1092 | } | 1149 | } |
| 1093 | 1150 | ||
| 1094 | int dss_mgr_set_output(struct omap_overlay_manager *mgr, | 1151 | static int dss_mgr_set_output(struct omap_overlay_manager *mgr, |
| 1095 | struct omap_dss_output *output) | 1152 | struct omap_dss_output *output) |
| 1096 | { | 1153 | { |
| 1097 | int r; | 1154 | int r; |
| @@ -1123,7 +1180,7 @@ err: | |||
| 1123 | return r; | 1180 | return r; |
| 1124 | } | 1181 | } |
| 1125 | 1182 | ||
| 1126 | int dss_mgr_unset_output(struct omap_overlay_manager *mgr) | 1183 | static int dss_mgr_unset_output(struct omap_overlay_manager *mgr) |
| 1127 | { | 1184 | { |
| 1128 | int r; | 1185 | int r; |
| 1129 | struct mgr_priv_data *mp = get_mgr_priv(mgr); | 1186 | struct mgr_priv_data *mp = get_mgr_priv(mgr); |
| @@ -1170,7 +1227,7 @@ static void dss_apply_mgr_timings(struct omap_overlay_manager *mgr, | |||
| 1170 | mp->extra_info_dirty = true; | 1227 | mp->extra_info_dirty = true; |
| 1171 | } | 1228 | } |
| 1172 | 1229 | ||
| 1173 | void dss_mgr_set_timings(struct omap_overlay_manager *mgr, | 1230 | static void dss_mgr_set_timings_compat(struct omap_overlay_manager *mgr, |
| 1174 | const struct omap_video_timings *timings) | 1231 | const struct omap_video_timings *timings) |
| 1175 | { | 1232 | { |
| 1176 | unsigned long flags; | 1233 | unsigned long flags; |
| @@ -1198,7 +1255,7 @@ static void dss_apply_mgr_lcd_config(struct omap_overlay_manager *mgr, | |||
| 1198 | mp->extra_info_dirty = true; | 1255 | mp->extra_info_dirty = true; |
| 1199 | } | 1256 | } |
| 1200 | 1257 | ||
| 1201 | void dss_mgr_set_lcd_config(struct omap_overlay_manager *mgr, | 1258 | static void dss_mgr_set_lcd_config_compat(struct omap_overlay_manager *mgr, |
| 1202 | const struct dss_lcd_mgr_config *config) | 1259 | const struct dss_lcd_mgr_config *config) |
| 1203 | { | 1260 | { |
| 1204 | unsigned long flags; | 1261 | unsigned long flags; |
| @@ -1217,7 +1274,7 @@ out: | |||
| 1217 | spin_unlock_irqrestore(&data_lock, flags); | 1274 | spin_unlock_irqrestore(&data_lock, flags); |
| 1218 | } | 1275 | } |
| 1219 | 1276 | ||
| 1220 | int dss_ovl_set_info(struct omap_overlay *ovl, | 1277 | static int dss_ovl_set_info(struct omap_overlay *ovl, |
| 1221 | struct omap_overlay_info *info) | 1278 | struct omap_overlay_info *info) |
| 1222 | { | 1279 | { |
| 1223 | struct ovl_priv_data *op = get_ovl_priv(ovl); | 1280 | struct ovl_priv_data *op = get_ovl_priv(ovl); |
| @@ -1238,7 +1295,7 @@ int dss_ovl_set_info(struct omap_overlay *ovl, | |||
| 1238 | return 0; | 1295 | return 0; |
| 1239 | } | 1296 | } |
| 1240 | 1297 | ||
| 1241 | void dss_ovl_get_info(struct omap_overlay *ovl, | 1298 | static void dss_ovl_get_info(struct omap_overlay *ovl, |
| 1242 | struct omap_overlay_info *info) | 1299 | struct omap_overlay_info *info) |
| 1243 | { | 1300 | { |
| 1244 | struct ovl_priv_data *op = get_ovl_priv(ovl); | 1301 | struct ovl_priv_data *op = get_ovl_priv(ovl); |
| @@ -1251,7 +1308,7 @@ void dss_ovl_get_info(struct omap_overlay *ovl, | |||
| 1251 | spin_unlock_irqrestore(&data_lock, flags); | 1308 | spin_unlock_irqrestore(&data_lock, flags); |
| 1252 | } | 1309 | } |
| 1253 | 1310 | ||
| 1254 | int dss_ovl_set_manager(struct omap_overlay *ovl, | 1311 | static int dss_ovl_set_manager(struct omap_overlay *ovl, |
| 1255 | struct omap_overlay_manager *mgr) | 1312 | struct omap_overlay_manager *mgr) |
| 1256 | { | 1313 | { |
| 1257 | struct ovl_priv_data *op = get_ovl_priv(ovl); | 1314 | struct ovl_priv_data *op = get_ovl_priv(ovl); |
| @@ -1303,7 +1360,7 @@ err: | |||
| 1303 | return r; | 1360 | return r; |
| 1304 | } | 1361 | } |
| 1305 | 1362 | ||
| 1306 | int dss_ovl_unset_manager(struct omap_overlay *ovl) | 1363 | static int dss_ovl_unset_manager(struct omap_overlay *ovl) |
| 1307 | { | 1364 | { |
| 1308 | struct ovl_priv_data *op = get_ovl_priv(ovl); | 1365 | struct ovl_priv_data *op = get_ovl_priv(ovl); |
| 1309 | unsigned long flags; | 1366 | unsigned long flags; |
| @@ -1363,7 +1420,7 @@ err: | |||
| 1363 | return r; | 1420 | return r; |
| 1364 | } | 1421 | } |
| 1365 | 1422 | ||
| 1366 | bool dss_ovl_is_enabled(struct omap_overlay *ovl) | 1423 | static bool dss_ovl_is_enabled(struct omap_overlay *ovl) |
| 1367 | { | 1424 | { |
| 1368 | struct ovl_priv_data *op = get_ovl_priv(ovl); | 1425 | struct ovl_priv_data *op = get_ovl_priv(ovl); |
| 1369 | unsigned long flags; | 1426 | unsigned long flags; |
| @@ -1378,7 +1435,7 @@ bool dss_ovl_is_enabled(struct omap_overlay *ovl) | |||
| 1378 | return e; | 1435 | return e; |
| 1379 | } | 1436 | } |
| 1380 | 1437 | ||
| 1381 | int dss_ovl_enable(struct omap_overlay *ovl) | 1438 | static int dss_ovl_enable(struct omap_overlay *ovl) |
| 1382 | { | 1439 | { |
| 1383 | struct ovl_priv_data *op = get_ovl_priv(ovl); | 1440 | struct ovl_priv_data *op = get_ovl_priv(ovl); |
| 1384 | unsigned long flags; | 1441 | unsigned long flags; |
| @@ -1428,7 +1485,7 @@ err1: | |||
| 1428 | return r; | 1485 | return r; |
| 1429 | } | 1486 | } |
| 1430 | 1487 | ||
| 1431 | int dss_ovl_disable(struct omap_overlay *ovl) | 1488 | static int dss_ovl_disable(struct omap_overlay *ovl) |
| 1432 | { | 1489 | { |
| 1433 | struct ovl_priv_data *op = get_ovl_priv(ovl); | 1490 | struct ovl_priv_data *op = get_ovl_priv(ovl); |
| 1434 | unsigned long flags; | 1491 | unsigned long flags; |
| @@ -1463,3 +1520,152 @@ err: | |||
| 1463 | return r; | 1520 | return r; |
| 1464 | } | 1521 | } |
| 1465 | 1522 | ||
| 1523 | static int dss_mgr_register_framedone_handler_compat(struct omap_overlay_manager *mgr, | ||
| 1524 | void (*handler)(void *), void *data) | ||
| 1525 | { | ||
| 1526 | struct mgr_priv_data *mp = get_mgr_priv(mgr); | ||
| 1527 | |||
| 1528 | if (mp->framedone_handler) | ||
| 1529 | return -EBUSY; | ||
| 1530 | |||
| 1531 | mp->framedone_handler = handler; | ||
| 1532 | mp->framedone_handler_data = data; | ||
| 1533 | |||
| 1534 | return 0; | ||
| 1535 | } | ||
| 1536 | |||
| 1537 | static void dss_mgr_unregister_framedone_handler_compat(struct omap_overlay_manager *mgr, | ||
| 1538 | void (*handler)(void *), void *data) | ||
| 1539 | { | ||
| 1540 | struct mgr_priv_data *mp = get_mgr_priv(mgr); | ||
| 1541 | |||
| 1542 | WARN_ON(mp->framedone_handler != handler || | ||
| 1543 | mp->framedone_handler_data != data); | ||
| 1544 | |||
| 1545 | mp->framedone_handler = NULL; | ||
| 1546 | mp->framedone_handler_data = NULL; | ||
| 1547 | } | ||
| 1548 | |||
| 1549 | static const struct dss_mgr_ops apply_mgr_ops = { | ||
| 1550 | .start_update = dss_mgr_start_update_compat, | ||
| 1551 | .enable = dss_mgr_enable_compat, | ||
| 1552 | .disable = dss_mgr_disable_compat, | ||
| 1553 | .set_timings = dss_mgr_set_timings_compat, | ||
| 1554 | .set_lcd_config = dss_mgr_set_lcd_config_compat, | ||
| 1555 | .register_framedone_handler = dss_mgr_register_framedone_handler_compat, | ||
| 1556 | .unregister_framedone_handler = dss_mgr_unregister_framedone_handler_compat, | ||
| 1557 | }; | ||
| 1558 | |||
| 1559 | static int compat_refcnt; | ||
| 1560 | static DEFINE_MUTEX(compat_init_lock); | ||
| 1561 | |||
| 1562 | int omapdss_compat_init(void) | ||
| 1563 | { | ||
| 1564 | struct platform_device *pdev = dss_get_core_pdev(); | ||
| 1565 | struct omap_dss_device *dssdev = NULL; | ||
| 1566 | int i, r; | ||
| 1567 | |||
| 1568 | mutex_lock(&compat_init_lock); | ||
| 1569 | |||
| 1570 | if (compat_refcnt++ > 0) | ||
| 1571 | goto out; | ||
| 1572 | |||
| 1573 | apply_init_priv(); | ||
| 1574 | |||
| 1575 | dss_init_overlay_managers(pdev); | ||
| 1576 | dss_init_overlays(pdev); | ||
| 1577 | |||
| 1578 | for (i = 0; i < omap_dss_get_num_overlay_managers(); i++) { | ||
| 1579 | struct omap_overlay_manager *mgr; | ||
| 1580 | |||
| 1581 | mgr = omap_dss_get_overlay_manager(i); | ||
| 1582 | |||
| 1583 | mgr->set_output = &dss_mgr_set_output; | ||
| 1584 | mgr->unset_output = &dss_mgr_unset_output; | ||
| 1585 | mgr->apply = &omap_dss_mgr_apply; | ||
| 1586 | mgr->set_manager_info = &dss_mgr_set_info; | ||
| 1587 | mgr->get_manager_info = &dss_mgr_get_info; | ||
| 1588 | mgr->wait_for_go = &dss_mgr_wait_for_go; | ||
| 1589 | mgr->wait_for_vsync = &dss_mgr_wait_for_vsync; | ||
| 1590 | mgr->get_device = &dss_mgr_get_device; | ||
| 1591 | } | ||
| 1592 | |||
| 1593 | for (i = 0; i < omap_dss_get_num_overlays(); i++) { | ||
| 1594 | struct omap_overlay *ovl = omap_dss_get_overlay(i); | ||
| 1595 | |||
| 1596 | ovl->is_enabled = &dss_ovl_is_enabled; | ||
| 1597 | ovl->enable = &dss_ovl_enable; | ||
| 1598 | ovl->disable = &dss_ovl_disable; | ||
| 1599 | ovl->set_manager = &dss_ovl_set_manager; | ||
| 1600 | ovl->unset_manager = &dss_ovl_unset_manager; | ||
| 1601 | ovl->set_overlay_info = &dss_ovl_set_info; | ||
| 1602 | ovl->get_overlay_info = &dss_ovl_get_info; | ||
| 1603 | ovl->wait_for_go = &dss_mgr_wait_for_go_ovl; | ||
| 1604 | ovl->get_device = &dss_ovl_get_device; | ||
| 1605 | } | ||
| 1606 | |||
| 1607 | r = dss_install_mgr_ops(&apply_mgr_ops); | ||
| 1608 | if (r) | ||
| 1609 | goto err_mgr_ops; | ||
| 1610 | |||
| 1611 | for_each_dss_dev(dssdev) { | ||
| 1612 | r = display_init_sysfs(pdev, dssdev); | ||
| 1613 | /* XXX uninit sysfs files on error */ | ||
| 1614 | if (r) | ||
| 1615 | goto err_disp_sysfs; | ||
| 1616 | } | ||
| 1617 | |||
| 1618 | dispc_runtime_get(); | ||
| 1619 | |||
| 1620 | r = dss_dispc_initialize_irq(); | ||
| 1621 | if (r) | ||
| 1622 | goto err_init_irq; | ||
| 1623 | |||
| 1624 | dispc_runtime_put(); | ||
| 1625 | |||
| 1626 | out: | ||
| 1627 | mutex_unlock(&compat_init_lock); | ||
| 1628 | |||
| 1629 | return 0; | ||
| 1630 | |||
| 1631 | err_init_irq: | ||
| 1632 | dispc_runtime_put(); | ||
| 1633 | |||
| 1634 | err_disp_sysfs: | ||
| 1635 | dss_uninstall_mgr_ops(); | ||
| 1636 | |||
| 1637 | err_mgr_ops: | ||
| 1638 | dss_uninit_overlay_managers(pdev); | ||
| 1639 | dss_uninit_overlays(pdev); | ||
| 1640 | |||
| 1641 | compat_refcnt--; | ||
| 1642 | |||
| 1643 | mutex_unlock(&compat_init_lock); | ||
| 1644 | |||
| 1645 | return r; | ||
| 1646 | } | ||
| 1647 | EXPORT_SYMBOL(omapdss_compat_init); | ||
| 1648 | |||
| 1649 | void omapdss_compat_uninit(void) | ||
| 1650 | { | ||
| 1651 | struct platform_device *pdev = dss_get_core_pdev(); | ||
| 1652 | struct omap_dss_device *dssdev = NULL; | ||
| 1653 | |||
| 1654 | mutex_lock(&compat_init_lock); | ||
| 1655 | |||
| 1656 | if (--compat_refcnt > 0) | ||
| 1657 | goto out; | ||
| 1658 | |||
| 1659 | dss_dispc_uninitialize_irq(); | ||
| 1660 | |||
| 1661 | for_each_dss_dev(dssdev) | ||
| 1662 | display_uninit_sysfs(pdev, dssdev); | ||
| 1663 | |||
| 1664 | dss_uninstall_mgr_ops(); | ||
| 1665 | |||
| 1666 | dss_uninit_overlay_managers(pdev); | ||
| 1667 | dss_uninit_overlays(pdev); | ||
| 1668 | out: | ||
| 1669 | mutex_unlock(&compat_init_lock); | ||
| 1670 | } | ||
| 1671 | EXPORT_SYMBOL(omapdss_compat_uninit); | ||
diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c index 5c5e59190586..f8779d4750ba 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) | |||
| 232 | 232 | ||
| 233 | dss_features_init(omapdss_get_version()); | 233 | dss_features_init(omapdss_get_version()); |
| 234 | 234 | ||
| 235 | dss_apply_init(); | ||
| 236 | |||
| 237 | dss_init_overlay_managers(pdev); | ||
| 238 | dss_init_overlays(pdev); | ||
| 239 | |||
| 240 | r = dss_initialize_debugfs(); | 235 | r = dss_initialize_debugfs(); |
| 241 | if (r) | 236 | if (r) |
| 242 | goto err_debugfs; | 237 | goto err_debugfs; |
| @@ -261,9 +256,6 @@ static int omap_dss_remove(struct platform_device *pdev) | |||
| 261 | 256 | ||
| 262 | dss_uninitialize_debugfs(); | 257 | dss_uninitialize_debugfs(); |
| 263 | 258 | ||
| 264 | dss_uninit_overlays(pdev); | ||
| 265 | dss_uninit_overlay_managers(pdev); | ||
| 266 | |||
| 267 | return 0; | 259 | return 0; |
| 268 | } | 260 | } |
| 269 | 261 | ||
| @@ -351,15 +343,10 @@ static int dss_driver_probe(struct device *dev) | |||
| 351 | dev_name(dev), dssdev->driver_name, | 343 | dev_name(dev), dssdev->driver_name, |
| 352 | dssdrv->driver.name); | 344 | dssdrv->driver.name); |
| 353 | 345 | ||
| 354 | r = dss_init_device(core.pdev, dssdev); | ||
| 355 | if (r) | ||
| 356 | return r; | ||
| 357 | |||
| 358 | r = dssdrv->probe(dssdev); | 346 | r = dssdrv->probe(dssdev); |
| 359 | 347 | ||
| 360 | if (r) { | 348 | if (r) { |
| 361 | DSSERR("driver probe failed: %d\n", r); | 349 | DSSERR("driver probe failed: %d\n", r); |
| 362 | dss_uninit_device(core.pdev, dssdev); | ||
| 363 | return r; | 350 | return r; |
| 364 | } | 351 | } |
| 365 | 352 | ||
| @@ -380,8 +367,6 @@ static int dss_driver_remove(struct device *dev) | |||
| 380 | 367 | ||
| 381 | dssdrv->remove(dssdev); | 368 | dssdrv->remove(dssdev); |
| 382 | 369 | ||
| 383 | dss_uninit_device(core.pdev, dssdev); | ||
| 384 | |||
| 385 | dssdev->driver = NULL; | 370 | dssdev->driver = NULL; |
| 386 | 371 | ||
| 387 | return 0; | 372 | 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 000000000000..928884c9a0a9 --- /dev/null +++ b/drivers/video/omap2/dss/dispc-compat.c | |||
| @@ -0,0 +1,667 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2012 Texas Instruments | ||
| 3 | * Author: Tomi Valkeinen <tomi.valkeinen@ti.com> | ||
| 4 | * | ||
| 5 | * This program is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 as published by | ||
| 7 | * the Free Software Foundation. | ||
| 8 | * | ||
| 9 | * This program is distributed in the hope that it will be useful, but WITHOUT | ||
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
| 12 | * more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU General Public License along with | ||
| 15 | * this program. If not, see <http://www.gnu.org/licenses/>. | ||
| 16 | */ | ||
| 17 | |||
| 18 | #define DSS_SUBSYS_NAME "APPLY" | ||
| 19 | |||
| 20 | #include <linux/kernel.h> | ||
| 21 | #include <linux/module.h> | ||
| 22 | #include <linux/slab.h> | ||
| 23 | #include <linux/spinlock.h> | ||
| 24 | #include <linux/jiffies.h> | ||
| 25 | #include <linux/delay.h> | ||
| 26 | #include <linux/interrupt.h> | ||
| 27 | #include <linux/seq_file.h> | ||
| 28 | |||
| 29 | #include <video/omapdss.h> | ||
| 30 | |||
| 31 | #include "dss.h" | ||
| 32 | #include "dss_features.h" | ||
| 33 | #include "dispc-compat.h" | ||
| 34 | |||
| 35 | #define DISPC_IRQ_MASK_ERROR (DISPC_IRQ_GFX_FIFO_UNDERFLOW | \ | ||
| 36 | DISPC_IRQ_OCP_ERR | \ | ||
| 37 | DISPC_IRQ_VID1_FIFO_UNDERFLOW | \ | ||
| 38 | DISPC_IRQ_VID2_FIFO_UNDERFLOW | \ | ||
| 39 | DISPC_IRQ_SYNC_LOST | \ | ||
| 40 | DISPC_IRQ_SYNC_LOST_DIGIT) | ||
| 41 | |||
| 42 | #define DISPC_MAX_NR_ISRS 8 | ||
| 43 | |||
| 44 | struct omap_dispc_isr_data { | ||
| 45 | omap_dispc_isr_t isr; | ||
| 46 | void *arg; | ||
| 47 | u32 mask; | ||
| 48 | }; | ||
| 49 | |||
| 50 | struct dispc_irq_stats { | ||
| 51 | unsigned long last_reset; | ||
| 52 | unsigned irq_count; | ||
| 53 | unsigned irqs[32]; | ||
| 54 | }; | ||
| 55 | |||
| 56 | static struct { | ||
| 57 | spinlock_t irq_lock; | ||
| 58 | u32 irq_error_mask; | ||
| 59 | struct omap_dispc_isr_data registered_isr[DISPC_MAX_NR_ISRS]; | ||
| 60 | u32 error_irqs; | ||
| 61 | struct work_struct error_work; | ||
| 62 | |||
| 63 | #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS | ||
| 64 | spinlock_t irq_stats_lock; | ||
| 65 | struct dispc_irq_stats irq_stats; | ||
| 66 | #endif | ||
| 67 | } dispc_compat; | ||
| 68 | |||
| 69 | |||
| 70 | #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS | ||
| 71 | static void dispc_dump_irqs(struct seq_file *s) | ||
| 72 | { | ||
| 73 | unsigned long flags; | ||
| 74 | struct dispc_irq_stats stats; | ||
| 75 | |||
| 76 | spin_lock_irqsave(&dispc_compat.irq_stats_lock, flags); | ||
| 77 | |||
| 78 | stats = dispc_compat.irq_stats; | ||
| 79 | memset(&dispc_compat.irq_stats, 0, sizeof(dispc_compat.irq_stats)); | ||
| 80 | dispc_compat.irq_stats.last_reset = jiffies; | ||
| 81 | |||
| 82 | spin_unlock_irqrestore(&dispc_compat.irq_stats_lock, flags); | ||
| 83 | |||
| 84 | seq_printf(s, "period %u ms\n", | ||
| 85 | jiffies_to_msecs(jiffies - stats.last_reset)); | ||
| 86 | |||
| 87 | seq_printf(s, "irqs %d\n", stats.irq_count); | ||
| 88 | #define PIS(x) \ | ||
| 89 | seq_printf(s, "%-20s %10d\n", #x, stats.irqs[ffs(DISPC_IRQ_##x)-1]); | ||
| 90 | |||
| 91 | PIS(FRAMEDONE); | ||
| 92 | PIS(VSYNC); | ||
| 93 | PIS(EVSYNC_EVEN); | ||
| 94 | PIS(EVSYNC_ODD); | ||
| 95 | PIS(ACBIAS_COUNT_STAT); | ||
| 96 | PIS(PROG_LINE_NUM); | ||
| 97 | PIS(GFX_FIFO_UNDERFLOW); | ||
| 98 | PIS(GFX_END_WIN); | ||
| 99 | PIS(PAL_GAMMA_MASK); | ||
| 100 | PIS(OCP_ERR); | ||
| 101 | PIS(VID1_FIFO_UNDERFLOW); | ||
| 102 | PIS(VID1_END_WIN); | ||
| 103 | PIS(VID2_FIFO_UNDERFLOW); | ||
| 104 | PIS(VID2_END_WIN); | ||
| 105 | if (dss_feat_get_num_ovls() > 3) { | ||
| 106 | PIS(VID3_FIFO_UNDERFLOW); | ||
| 107 | PIS(VID3_END_WIN); | ||
| 108 | } | ||
| 109 | PIS(SYNC_LOST); | ||
| 110 | PIS(SYNC_LOST_DIGIT); | ||
| 111 | PIS(WAKEUP); | ||
| 112 | if (dss_has_feature(FEAT_MGR_LCD2)) { | ||
| 113 | PIS(FRAMEDONE2); | ||
| 114 | PIS(VSYNC2); | ||
| 115 | PIS(ACBIAS_COUNT_STAT2); | ||
| 116 | PIS(SYNC_LOST2); | ||
| 117 | } | ||
| 118 | if (dss_has_feature(FEAT_MGR_LCD3)) { | ||
| 119 | PIS(FRAMEDONE3); | ||
| 120 | PIS(VSYNC3); | ||
| 121 | PIS(ACBIAS_COUNT_STAT3); | ||
| 122 | PIS(SYNC_LOST3); | ||
| 123 | } | ||
| 124 | #undef PIS | ||
| 125 | } | ||
| 126 | #endif | ||
| 127 | |||
| 128 | /* dispc.irq_lock has to be locked by the caller */ | ||
| 129 | static void _omap_dispc_set_irqs(void) | ||
| 130 | { | ||
| 131 | u32 mask; | ||
| 132 | int i; | ||
| 133 | struct omap_dispc_isr_data *isr_data; | ||
| 134 | |||
| 135 | mask = dispc_compat.irq_error_mask; | ||
| 136 | |||
| 137 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | ||
| 138 | isr_data = &dispc_compat.registered_isr[i]; | ||
| 139 | |||
| 140 | if (isr_data->isr == NULL) | ||
| 141 | continue; | ||
| 142 | |||
| 143 | mask |= isr_data->mask; | ||
| 144 | } | ||
| 145 | |||
| 146 | dispc_write_irqenable(mask); | ||
| 147 | } | ||
| 148 | |||
| 149 | int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask) | ||
| 150 | { | ||
| 151 | int i; | ||
| 152 | int ret; | ||
| 153 | unsigned long flags; | ||
| 154 | struct omap_dispc_isr_data *isr_data; | ||
| 155 | |||
| 156 | if (isr == NULL) | ||
| 157 | return -EINVAL; | ||
| 158 | |||
| 159 | spin_lock_irqsave(&dispc_compat.irq_lock, flags); | ||
| 160 | |||
| 161 | /* check for duplicate entry */ | ||
| 162 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | ||
| 163 | isr_data = &dispc_compat.registered_isr[i]; | ||
| 164 | if (isr_data->isr == isr && isr_data->arg == arg && | ||
| 165 | isr_data->mask == mask) { | ||
| 166 | ret = -EINVAL; | ||
| 167 | goto err; | ||
| 168 | } | ||
| 169 | } | ||
| 170 | |||
| 171 | isr_data = NULL; | ||
| 172 | ret = -EBUSY; | ||
| 173 | |||
| 174 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | ||
| 175 | isr_data = &dispc_compat.registered_isr[i]; | ||
| 176 | |||
| 177 | if (isr_data->isr != NULL) | ||
| 178 | continue; | ||
| 179 | |||
| 180 | isr_data->isr = isr; | ||
| 181 | isr_data->arg = arg; | ||
| 182 | isr_data->mask = mask; | ||
| 183 | ret = 0; | ||
| 184 | |||
| 185 | break; | ||
| 186 | } | ||
| 187 | |||
| 188 | if (ret) | ||
| 189 | goto err; | ||
| 190 | |||
| 191 | _omap_dispc_set_irqs(); | ||
| 192 | |||
| 193 | spin_unlock_irqrestore(&dispc_compat.irq_lock, flags); | ||
| 194 | |||
| 195 | return 0; | ||
| 196 | err: | ||
| 197 | spin_unlock_irqrestore(&dispc_compat.irq_lock, flags); | ||
| 198 | |||
| 199 | return ret; | ||
| 200 | } | ||
| 201 | EXPORT_SYMBOL(omap_dispc_register_isr); | ||
| 202 | |||
| 203 | int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask) | ||
| 204 | { | ||
| 205 | int i; | ||
| 206 | unsigned long flags; | ||
| 207 | int ret = -EINVAL; | ||
| 208 | struct omap_dispc_isr_data *isr_data; | ||
| 209 | |||
| 210 | spin_lock_irqsave(&dispc_compat.irq_lock, flags); | ||
| 211 | |||
| 212 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | ||
| 213 | isr_data = &dispc_compat.registered_isr[i]; | ||
| 214 | if (isr_data->isr != isr || isr_data->arg != arg || | ||
| 215 | isr_data->mask != mask) | ||
| 216 | continue; | ||
| 217 | |||
| 218 | /* found the correct isr */ | ||
| 219 | |||
| 220 | isr_data->isr = NULL; | ||
| 221 | isr_data->arg = NULL; | ||
| 222 | isr_data->mask = 0; | ||
| 223 | |||
| 224 | ret = 0; | ||
| 225 | break; | ||
| 226 | } | ||
| 227 | |||
| 228 | if (ret == 0) | ||
| 229 | _omap_dispc_set_irqs(); | ||
| 230 | |||
| 231 | spin_unlock_irqrestore(&dispc_compat.irq_lock, flags); | ||
| 232 | |||
| 233 | return ret; | ||
| 234 | } | ||
| 235 | EXPORT_SYMBOL(omap_dispc_unregister_isr); | ||
| 236 | |||
| 237 | static void print_irq_status(u32 status) | ||
| 238 | { | ||
| 239 | if ((status & dispc_compat.irq_error_mask) == 0) | ||
| 240 | return; | ||
| 241 | |||
| 242 | #define PIS(x) (status & DISPC_IRQ_##x) ? (#x " ") : "" | ||
| 243 | |||
| 244 | pr_debug("DISPC IRQ: 0x%x: %s%s%s%s%s%s%s%s%s\n", | ||
| 245 | status, | ||
| 246 | PIS(OCP_ERR), | ||
| 247 | PIS(GFX_FIFO_UNDERFLOW), | ||
| 248 | PIS(VID1_FIFO_UNDERFLOW), | ||
| 249 | PIS(VID2_FIFO_UNDERFLOW), | ||
| 250 | dss_feat_get_num_ovls() > 3 ? PIS(VID3_FIFO_UNDERFLOW) : "", | ||
| 251 | PIS(SYNC_LOST), | ||
| 252 | PIS(SYNC_LOST_DIGIT), | ||
| 253 | dss_has_feature(FEAT_MGR_LCD2) ? PIS(SYNC_LOST2) : "", | ||
| 254 | dss_has_feature(FEAT_MGR_LCD3) ? PIS(SYNC_LOST3) : ""); | ||
| 255 | #undef PIS | ||
| 256 | } | ||
| 257 | |||
| 258 | /* Called from dss.c. Note that we don't touch clocks here, | ||
| 259 | * but we presume they are on because we got an IRQ. However, | ||
| 260 | * an irq handler may turn the clocks off, so we may not have | ||
| 261 | * clock later in the function. */ | ||
| 262 | static irqreturn_t omap_dispc_irq_handler(int irq, void *arg) | ||
| 263 | { | ||
| 264 | int i; | ||
| 265 | u32 irqstatus, irqenable; | ||
| 266 | u32 handledirqs = 0; | ||
| 267 | u32 unhandled_errors; | ||
| 268 | struct omap_dispc_isr_data *isr_data; | ||
| 269 | struct omap_dispc_isr_data registered_isr[DISPC_MAX_NR_ISRS]; | ||
| 270 | |||
| 271 | spin_lock(&dispc_compat.irq_lock); | ||
| 272 | |||
| 273 | irqstatus = dispc_read_irqstatus(); | ||
| 274 | irqenable = dispc_read_irqenable(); | ||
| 275 | |||
| 276 | /* IRQ is not for us */ | ||
| 277 | if (!(irqstatus & irqenable)) { | ||
| 278 | spin_unlock(&dispc_compat.irq_lock); | ||
| 279 | return IRQ_NONE; | ||
| 280 | } | ||
| 281 | |||
| 282 | #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS | ||
| 283 | spin_lock(&dispc_compat.irq_stats_lock); | ||
| 284 | dispc_compat.irq_stats.irq_count++; | ||
| 285 | dss_collect_irq_stats(irqstatus, dispc_compat.irq_stats.irqs); | ||
| 286 | spin_unlock(&dispc_compat.irq_stats_lock); | ||
| 287 | #endif | ||
| 288 | |||
| 289 | print_irq_status(irqstatus); | ||
| 290 | |||
| 291 | /* Ack the interrupt. Do it here before clocks are possibly turned | ||
| 292 | * off */ | ||
| 293 | dispc_clear_irqstatus(irqstatus); | ||
| 294 | /* flush posted write */ | ||
| 295 | dispc_read_irqstatus(); | ||
| 296 | |||
| 297 | /* make a copy and unlock, so that isrs can unregister | ||
| 298 | * themselves */ | ||
| 299 | memcpy(registered_isr, dispc_compat.registered_isr, | ||
| 300 | sizeof(registered_isr)); | ||
| 301 | |||
| 302 | spin_unlock(&dispc_compat.irq_lock); | ||
| 303 | |||
| 304 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | ||
| 305 | isr_data = ®istered_isr[i]; | ||
| 306 | |||
| 307 | if (!isr_data->isr) | ||
| 308 | continue; | ||
| 309 | |||
| 310 | if (isr_data->mask & irqstatus) { | ||
| 311 | isr_data->isr(isr_data->arg, irqstatus); | ||
| 312 | handledirqs |= isr_data->mask; | ||
| 313 | } | ||
| 314 | } | ||
| 315 | |||
| 316 | spin_lock(&dispc_compat.irq_lock); | ||
| 317 | |||
| 318 | unhandled_errors = irqstatus & ~handledirqs & dispc_compat.irq_error_mask; | ||
| 319 | |||
| 320 | if (unhandled_errors) { | ||
| 321 | dispc_compat.error_irqs |= unhandled_errors; | ||
| 322 | |||
| 323 | dispc_compat.irq_error_mask &= ~unhandled_errors; | ||
| 324 | _omap_dispc_set_irqs(); | ||
| 325 | |||
| 326 | schedule_work(&dispc_compat.error_work); | ||
| 327 | } | ||
| 328 | |||
| 329 | spin_unlock(&dispc_compat.irq_lock); | ||
| 330 | |||
| 331 | return IRQ_HANDLED; | ||
| 332 | } | ||
| 333 | |||
| 334 | static void dispc_error_worker(struct work_struct *work) | ||
| 335 | { | ||
| 336 | int i; | ||
| 337 | u32 errors; | ||
| 338 | unsigned long flags; | ||
| 339 | static const unsigned fifo_underflow_bits[] = { | ||
| 340 | DISPC_IRQ_GFX_FIFO_UNDERFLOW, | ||
| 341 | DISPC_IRQ_VID1_FIFO_UNDERFLOW, | ||
| 342 | DISPC_IRQ_VID2_FIFO_UNDERFLOW, | ||
| 343 | DISPC_IRQ_VID3_FIFO_UNDERFLOW, | ||
| 344 | }; | ||
| 345 | |||
| 346 | spin_lock_irqsave(&dispc_compat.irq_lock, flags); | ||
| 347 | errors = dispc_compat.error_irqs; | ||
| 348 | dispc_compat.error_irqs = 0; | ||
| 349 | spin_unlock_irqrestore(&dispc_compat.irq_lock, flags); | ||
| 350 | |||
| 351 | dispc_runtime_get(); | ||
| 352 | |||
| 353 | for (i = 0; i < omap_dss_get_num_overlays(); ++i) { | ||
| 354 | struct omap_overlay *ovl; | ||
| 355 | unsigned bit; | ||
| 356 | |||
| 357 | ovl = omap_dss_get_overlay(i); | ||
| 358 | bit = fifo_underflow_bits[i]; | ||
| 359 | |||
| 360 | if (bit & errors) { | ||
| 361 | DSSERR("FIFO UNDERFLOW on %s, disabling the overlay\n", | ||
| 362 | ovl->name); | ||
| 363 | dispc_ovl_enable(ovl->id, false); | ||
| 364 | dispc_mgr_go(ovl->manager->id); | ||
| 365 | msleep(50); | ||
| 366 | } | ||
| 367 | } | ||
| 368 | |||
| 369 | for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) { | ||
| 370 | struct omap_overlay_manager *mgr; | ||
| 371 | unsigned bit; | ||
| 372 | |||
| 373 | mgr = omap_dss_get_overlay_manager(i); | ||
| 374 | bit = dispc_mgr_get_sync_lost_irq(i); | ||
| 375 | |||
| 376 | if (bit & errors) { | ||
| 377 | int j; | ||
| 378 | |||
| 379 | DSSERR("SYNC_LOST on channel %s, restarting the output " | ||
| 380 | "with video overlays disabled\n", | ||
| 381 | mgr->name); | ||
| 382 | |||
| 383 | dss_mgr_disable(mgr); | ||
| 384 | |||
| 385 | for (j = 0; j < omap_dss_get_num_overlays(); ++j) { | ||
| 386 | struct omap_overlay *ovl; | ||
| 387 | ovl = omap_dss_get_overlay(j); | ||
| 388 | |||
| 389 | if (ovl->id != OMAP_DSS_GFX && | ||
| 390 | ovl->manager == mgr) | ||
| 391 | ovl->disable(ovl); | ||
| 392 | } | ||
| 393 | |||
| 394 | dss_mgr_enable(mgr); | ||
| 395 | } | ||
| 396 | } | ||
| 397 | |||
| 398 | if (errors & DISPC_IRQ_OCP_ERR) { | ||
| 399 | DSSERR("OCP_ERR\n"); | ||
| 400 | for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) { | ||
| 401 | struct omap_overlay_manager *mgr; | ||
| 402 | |||
| 403 | mgr = omap_dss_get_overlay_manager(i); | ||
| 404 | dss_mgr_disable(mgr); | ||
| 405 | } | ||
| 406 | } | ||
| 407 | |||
| 408 | spin_lock_irqsave(&dispc_compat.irq_lock, flags); | ||
| 409 | dispc_compat.irq_error_mask |= errors; | ||
| 410 | _omap_dispc_set_irqs(); | ||
| 411 | spin_unlock_irqrestore(&dispc_compat.irq_lock, flags); | ||
| 412 | |||
| 413 | dispc_runtime_put(); | ||
| 414 | } | ||
| 415 | |||
| 416 | int dss_dispc_initialize_irq(void) | ||
| 417 | { | ||
| 418 | int r; | ||
| 419 | |||
| 420 | #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS | ||
| 421 | spin_lock_init(&dispc_compat.irq_stats_lock); | ||
| 422 | dispc_compat.irq_stats.last_reset = jiffies; | ||
| 423 | dss_debugfs_create_file("dispc_irq", dispc_dump_irqs); | ||
| 424 | #endif | ||
| 425 | |||
| 426 | spin_lock_init(&dispc_compat.irq_lock); | ||
| 427 | |||
| 428 | memset(dispc_compat.registered_isr, 0, | ||
| 429 | sizeof(dispc_compat.registered_isr)); | ||
| 430 | |||
| 431 | dispc_compat.irq_error_mask = DISPC_IRQ_MASK_ERROR; | ||
| 432 | if (dss_has_feature(FEAT_MGR_LCD2)) | ||
| 433 | dispc_compat.irq_error_mask |= DISPC_IRQ_SYNC_LOST2; | ||
| 434 | if (dss_has_feature(FEAT_MGR_LCD3)) | ||
| 435 | dispc_compat.irq_error_mask |= DISPC_IRQ_SYNC_LOST3; | ||
| 436 | if (dss_feat_get_num_ovls() > 3) | ||
| 437 | dispc_compat.irq_error_mask |= DISPC_IRQ_VID3_FIFO_UNDERFLOW; | ||
| 438 | |||
| 439 | /* | ||
| 440 | * there's SYNC_LOST_DIGIT waiting after enabling the DSS, | ||
| 441 | * so clear it | ||
| 442 | */ | ||
| 443 | dispc_clear_irqstatus(dispc_read_irqstatus()); | ||
| 444 | |||
| 445 | INIT_WORK(&dispc_compat.error_work, dispc_error_worker); | ||
| 446 | |||
| 447 | _omap_dispc_set_irqs(); | ||
| 448 | |||
| 449 | r = dispc_request_irq(omap_dispc_irq_handler, &dispc_compat); | ||
| 450 | if (r) { | ||
| 451 | DSSERR("dispc_request_irq failed\n"); | ||
| 452 | return r; | ||
| 453 | } | ||
| 454 | |||
| 455 | return 0; | ||
| 456 | } | ||
| 457 | |||
| 458 | void dss_dispc_uninitialize_irq(void) | ||
| 459 | { | ||
| 460 | dispc_free_irq(&dispc_compat); | ||
| 461 | } | ||
| 462 | |||
| 463 | static void dispc_mgr_disable_isr(void *data, u32 mask) | ||
| 464 | { | ||
| 465 | struct completion *compl = data; | ||
| 466 | complete(compl); | ||
| 467 | } | ||
| 468 | |||
| 469 | static void dispc_mgr_enable_lcd_out(enum omap_channel channel) | ||
| 470 | { | ||
| 471 | dispc_mgr_enable(channel, true); | ||
| 472 | } | ||
| 473 | |||
| 474 | static void dispc_mgr_disable_lcd_out(enum omap_channel channel) | ||
| 475 | { | ||
| 476 | DECLARE_COMPLETION_ONSTACK(framedone_compl); | ||
| 477 | int r; | ||
| 478 | u32 irq; | ||
| 479 | |||
| 480 | if (dispc_mgr_is_enabled(channel) == false) | ||
| 481 | return; | ||
| 482 | |||
| 483 | /* | ||
| 484 | * When we disable LCD output, we need to wait for FRAMEDONE to know | ||
| 485 | * that DISPC has finished with the LCD output. | ||
| 486 | */ | ||
| 487 | |||
| 488 | irq = dispc_mgr_get_framedone_irq(channel); | ||
| 489 | |||
| 490 | r = omap_dispc_register_isr(dispc_mgr_disable_isr, &framedone_compl, | ||
| 491 | irq); | ||
| 492 | if (r) | ||
| 493 | DSSERR("failed to register FRAMEDONE isr\n"); | ||
| 494 | |||
| 495 | dispc_mgr_enable(channel, false); | ||
| 496 | |||
| 497 | /* if we couldn't register for framedone, just sleep and exit */ | ||
| 498 | if (r) { | ||
| 499 | msleep(100); | ||
| 500 | return; | ||
| 501 | } | ||
| 502 | |||
| 503 | if (!wait_for_completion_timeout(&framedone_compl, | ||
| 504 | msecs_to_jiffies(100))) | ||
| 505 | DSSERR("timeout waiting for FRAME DONE\n"); | ||
| 506 | |||
| 507 | r = omap_dispc_unregister_isr(dispc_mgr_disable_isr, &framedone_compl, | ||
| 508 | irq); | ||
| 509 | if (r) | ||
| 510 | DSSERR("failed to unregister FRAMEDONE isr\n"); | ||
| 511 | } | ||
| 512 | |||
| 513 | static void dispc_digit_out_enable_isr(void *data, u32 mask) | ||
| 514 | { | ||
| 515 | struct completion *compl = data; | ||
| 516 | |||
| 517 | /* ignore any sync lost interrupts */ | ||
| 518 | if (mask & (DISPC_IRQ_EVSYNC_EVEN | DISPC_IRQ_EVSYNC_ODD)) | ||
| 519 | complete(compl); | ||
| 520 | } | ||
| 521 | |||
| 522 | static void dispc_mgr_enable_digit_out(void) | ||
| 523 | { | ||
| 524 | DECLARE_COMPLETION_ONSTACK(vsync_compl); | ||
| 525 | int r; | ||
| 526 | u32 irq_mask; | ||
| 527 | |||
| 528 | if (dispc_mgr_is_enabled(OMAP_DSS_CHANNEL_DIGIT) == true) | ||
| 529 | return; | ||
| 530 | |||
| 531 | /* | ||
| 532 | * Digit output produces some sync lost interrupts during the first | ||
| 533 | * frame when enabling. Those need to be ignored, so we register for the | ||
| 534 | * sync lost irq to prevent the error handler from triggering. | ||
| 535 | */ | ||
| 536 | |||
| 537 | irq_mask = dispc_mgr_get_vsync_irq(OMAP_DSS_CHANNEL_DIGIT) | | ||
| 538 | dispc_mgr_get_sync_lost_irq(OMAP_DSS_CHANNEL_DIGIT); | ||
| 539 | |||
| 540 | r = omap_dispc_register_isr(dispc_digit_out_enable_isr, &vsync_compl, | ||
| 541 | irq_mask); | ||
| 542 | if (r) { | ||
| 543 | DSSERR("failed to register %x isr\n", irq_mask); | ||
| 544 | return; | ||
| 545 | } | ||
| 546 | |||
| 547 | dispc_mgr_enable(OMAP_DSS_CHANNEL_DIGIT, true); | ||
| 548 | |||
| 549 | /* wait for the first evsync */ | ||
| 550 | if (!wait_for_completion_timeout(&vsync_compl, msecs_to_jiffies(100))) | ||
| 551 | DSSERR("timeout waiting for digit out to start\n"); | ||
| 552 | |||
| 553 | r = omap_dispc_unregister_isr(dispc_digit_out_enable_isr, &vsync_compl, | ||
| 554 | irq_mask); | ||
| 555 | if (r) | ||
| 556 | DSSERR("failed to unregister %x isr\n", irq_mask); | ||
| 557 | } | ||
| 558 | |||
| 559 | static void dispc_mgr_disable_digit_out(void) | ||
| 560 | { | ||
| 561 | DECLARE_COMPLETION_ONSTACK(framedone_compl); | ||
| 562 | int r, i; | ||
| 563 | u32 irq_mask; | ||
| 564 | int num_irqs; | ||
| 565 | |||
| 566 | if (dispc_mgr_is_enabled(OMAP_DSS_CHANNEL_DIGIT) == false) | ||
| 567 | return; | ||
| 568 | |||
| 569 | /* | ||
| 570 | * When we disable the digit output, we need to wait for FRAMEDONE to | ||
| 571 | * know that DISPC has finished with the output. | ||
| 572 | */ | ||
| 573 | |||
| 574 | irq_mask = dispc_mgr_get_framedone_irq(OMAP_DSS_CHANNEL_DIGIT); | ||
| 575 | num_irqs = 1; | ||
| 576 | |||
| 577 | if (!irq_mask) { | ||
| 578 | /* | ||
| 579 | * omap 2/3 don't have framedone irq for TV, so we need to use | ||
| 580 | * vsyncs for this. | ||
| 581 | */ | ||
| 582 | |||
| 583 | irq_mask = dispc_mgr_get_vsync_irq(OMAP_DSS_CHANNEL_DIGIT); | ||
| 584 | /* | ||
| 585 | * We need to wait for both even and odd vsyncs. Note that this | ||
| 586 | * is not totally reliable, as we could get a vsync interrupt | ||
| 587 | * before we disable the output, which leads to timeout in the | ||
| 588 | * wait_for_completion. | ||
| 589 | */ | ||
| 590 | num_irqs = 2; | ||
| 591 | } | ||
| 592 | |||
| 593 | r = omap_dispc_register_isr(dispc_mgr_disable_isr, &framedone_compl, | ||
| 594 | irq_mask); | ||
| 595 | if (r) | ||
| 596 | DSSERR("failed to register %x isr\n", irq_mask); | ||
| 597 | |||
| 598 | dispc_mgr_enable(OMAP_DSS_CHANNEL_DIGIT, false); | ||
| 599 | |||
| 600 | /* if we couldn't register the irq, just sleep and exit */ | ||
| 601 | if (r) { | ||
| 602 | msleep(100); | ||
| 603 | return; | ||
| 604 | } | ||
| 605 | |||
| 606 | for (i = 0; i < num_irqs; ++i) { | ||
| 607 | if (!wait_for_completion_timeout(&framedone_compl, | ||
| 608 | msecs_to_jiffies(100))) | ||
| 609 | DSSERR("timeout waiting for digit out to stop\n"); | ||
| 610 | } | ||
| 611 | |||
| 612 | r = omap_dispc_unregister_isr(dispc_mgr_disable_isr, &framedone_compl, | ||
| 613 | irq_mask); | ||
| 614 | if (r) | ||
| 615 | DSSERR("failed to unregister %x isr\n", irq_mask); | ||
| 616 | } | ||
| 617 | |||
| 618 | void dispc_mgr_enable_sync(enum omap_channel channel) | ||
| 619 | { | ||
| 620 | if (dss_mgr_is_lcd(channel)) | ||
| 621 | dispc_mgr_enable_lcd_out(channel); | ||
| 622 | else if (channel == OMAP_DSS_CHANNEL_DIGIT) | ||
| 623 | dispc_mgr_enable_digit_out(); | ||
| 624 | else | ||
| 625 | WARN_ON(1); | ||
| 626 | } | ||
| 627 | |||
| 628 | void dispc_mgr_disable_sync(enum omap_channel channel) | ||
| 629 | { | ||
| 630 | if (dss_mgr_is_lcd(channel)) | ||
| 631 | dispc_mgr_disable_lcd_out(channel); | ||
| 632 | else if (channel == OMAP_DSS_CHANNEL_DIGIT) | ||
| 633 | dispc_mgr_disable_digit_out(); | ||
| 634 | else | ||
| 635 | WARN_ON(1); | ||
| 636 | } | ||
| 637 | |||
| 638 | int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask, | ||
| 639 | unsigned long timeout) | ||
| 640 | { | ||
| 641 | void dispc_irq_wait_handler(void *data, u32 mask) | ||
| 642 | { | ||
| 643 | complete((struct completion *)data); | ||
| 644 | } | ||
| 645 | |||
| 646 | int r; | ||
| 647 | DECLARE_COMPLETION_ONSTACK(completion); | ||
| 648 | |||
| 649 | r = omap_dispc_register_isr(dispc_irq_wait_handler, &completion, | ||
| 650 | irqmask); | ||
| 651 | |||
| 652 | if (r) | ||
| 653 | return r; | ||
| 654 | |||
| 655 | timeout = wait_for_completion_interruptible_timeout(&completion, | ||
| 656 | timeout); | ||
| 657 | |||
| 658 | omap_dispc_unregister_isr(dispc_irq_wait_handler, &completion, irqmask); | ||
| 659 | |||
| 660 | if (timeout == 0) | ||
| 661 | return -ETIMEDOUT; | ||
| 662 | |||
| 663 | if (timeout == -ERESTARTSYS) | ||
| 664 | return -ERESTARTSYS; | ||
| 665 | |||
| 666 | return 0; | ||
| 667 | } | ||
diff --git a/drivers/video/omap2/dss/dispc-compat.h b/drivers/video/omap2/dss/dispc-compat.h new file mode 100644 index 000000000000..14a69b3d4fb0 --- /dev/null +++ b/drivers/video/omap2/dss/dispc-compat.h | |||
| @@ -0,0 +1,30 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2012 Texas Instruments | ||
| 3 | * Author: Tomi Valkeinen <tomi.valkeinen@ti.com> | ||
| 4 | * | ||
| 5 | * This program is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 as published by | ||
| 7 | * the Free Software Foundation. | ||
| 8 | * | ||
| 9 | * This program is distributed in the hope that it will be useful, but WITHOUT | ||
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
| 12 | * more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU General Public License along with | ||
| 15 | * this program. If not, see <http://www.gnu.org/licenses/>. | ||
| 16 | */ | ||
| 17 | |||
| 18 | #ifndef __OMAP2_DSS_DISPC_COMPAT_H | ||
| 19 | #define __OMAP2_DSS_DISPC_COMPAT_H | ||
| 20 | |||
| 21 | void dispc_mgr_enable_sync(enum omap_channel channel); | ||
| 22 | void dispc_mgr_disable_sync(enum omap_channel channel); | ||
| 23 | |||
| 24 | int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask, | ||
| 25 | unsigned long timeout); | ||
| 26 | |||
| 27 | int dss_dispc_initialize_irq(void); | ||
| 28 | void dss_dispc_uninitialize_irq(void); | ||
| 29 | |||
| 30 | #endif | ||
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index f7df52306788..fedbd2c8e97a 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c | |||
| @@ -33,7 +33,6 @@ | |||
| 33 | #include <linux/delay.h> | 33 | #include <linux/delay.h> |
| 34 | #include <linux/workqueue.h> | 34 | #include <linux/workqueue.h> |
| 35 | #include <linux/hardirq.h> | 35 | #include <linux/hardirq.h> |
| 36 | #include <linux/interrupt.h> | ||
| 37 | #include <linux/platform_device.h> | 36 | #include <linux/platform_device.h> |
| 38 | #include <linux/pm_runtime.h> | 37 | #include <linux/pm_runtime.h> |
| 39 | #include <linux/sizes.h> | 38 | #include <linux/sizes.h> |
| @@ -47,21 +46,6 @@ | |||
| 47 | /* DISPC */ | 46 | /* DISPC */ |
| 48 | #define DISPC_SZ_REGS SZ_4K | 47 | #define DISPC_SZ_REGS SZ_4K |
| 49 | 48 | ||
| 50 | #define DISPC_IRQ_MASK_ERROR (DISPC_IRQ_GFX_FIFO_UNDERFLOW | \ | ||
| 51 | DISPC_IRQ_OCP_ERR | \ | ||
| 52 | DISPC_IRQ_VID1_FIFO_UNDERFLOW | \ | ||
| 53 | DISPC_IRQ_VID2_FIFO_UNDERFLOW | \ | ||
| 54 | DISPC_IRQ_SYNC_LOST | \ | ||
| 55 | DISPC_IRQ_SYNC_LOST_DIGIT) | ||
| 56 | |||
| 57 | #define DISPC_MAX_NR_ISRS 8 | ||
| 58 | |||
| 59 | struct omap_dispc_isr_data { | ||
| 60 | omap_dispc_isr_t isr; | ||
| 61 | void *arg; | ||
| 62 | u32 mask; | ||
| 63 | }; | ||
| 64 | |||
| 65 | enum omap_burst_size { | 49 | enum omap_burst_size { |
| 66 | BURST_SIZE_X2 = 0, | 50 | BURST_SIZE_X2 = 0, |
| 67 | BURST_SIZE_X4 = 1, | 51 | BURST_SIZE_X4 = 1, |
| @@ -74,12 +58,6 @@ enum omap_burst_size { | |||
| 74 | #define REG_FLD_MOD(idx, val, start, end) \ | 58 | #define REG_FLD_MOD(idx, val, start, end) \ |
| 75 | dispc_write_reg(idx, FLD_MOD(dispc_read_reg(idx), val, start, end)) | 59 | dispc_write_reg(idx, FLD_MOD(dispc_read_reg(idx), val, start, end)) |
| 76 | 60 | ||
| 77 | struct dispc_irq_stats { | ||
| 78 | unsigned long last_reset; | ||
| 79 | unsigned irq_count; | ||
| 80 | unsigned irqs[32]; | ||
| 81 | }; | ||
| 82 | |||
| 83 | struct dispc_features { | 61 | struct dispc_features { |
| 84 | u8 sw_start; | 62 | u8 sw_start; |
| 85 | u8 fp_start; | 63 | u8 fp_start; |
| @@ -124,21 +102,10 @@ static struct { | |||
| 124 | /* maps which plane is using a fifo. fifo-id -> plane-id */ | 102 | /* maps which plane is using a fifo. fifo-id -> plane-id */ |
| 125 | int fifo_assignment[DISPC_MAX_NR_FIFOS]; | 103 | int fifo_assignment[DISPC_MAX_NR_FIFOS]; |
| 126 | 104 | ||
| 127 | spinlock_t irq_lock; | ||
| 128 | u32 irq_error_mask; | ||
| 129 | struct omap_dispc_isr_data registered_isr[DISPC_MAX_NR_ISRS]; | ||
| 130 | u32 error_irqs; | ||
| 131 | struct work_struct error_work; | ||
| 132 | |||
| 133 | bool ctx_valid; | 105 | bool ctx_valid; |
| 134 | u32 ctx[DISPC_SZ_REGS / sizeof(u32)]; | 106 | u32 ctx[DISPC_SZ_REGS / sizeof(u32)]; |
| 135 | 107 | ||
| 136 | const struct dispc_features *feat; | 108 | const struct dispc_features *feat; |
| 137 | |||
| 138 | #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS | ||
| 139 | spinlock_t irq_stats_lock; | ||
| 140 | struct dispc_irq_stats irq_stats; | ||
| 141 | #endif | ||
| 142 | } dispc; | 109 | } dispc; |
| 143 | 110 | ||
| 144 | enum omap_color_component { | 111 | enum omap_color_component { |
| @@ -249,7 +216,6 @@ struct color_conv_coef { | |||
| 249 | int full_range; | 216 | int full_range; |
| 250 | }; | 217 | }; |
| 251 | 218 | ||
| 252 | static void _omap_dispc_set_irqs(void); | ||
| 253 | static unsigned long dispc_plane_pclk_rate(enum omap_plane plane); | 219 | static unsigned long dispc_plane_pclk_rate(enum omap_plane plane); |
| 254 | static unsigned long dispc_plane_lclk_rate(enum omap_plane plane); | 220 | static unsigned long dispc_plane_lclk_rate(enum omap_plane plane); |
| 255 | 221 | ||
| @@ -528,6 +494,7 @@ int dispc_runtime_get(void) | |||
| 528 | WARN_ON(r < 0); | 494 | WARN_ON(r < 0); |
| 529 | return r < 0 ? r : 0; | 495 | return r < 0 ? r : 0; |
| 530 | } | 496 | } |
| 497 | EXPORT_SYMBOL(dispc_runtime_get); | ||
| 531 | 498 | ||
| 532 | void dispc_runtime_put(void) | 499 | void dispc_runtime_put(void) |
| 533 | { | 500 | { |
| @@ -538,11 +505,13 @@ void dispc_runtime_put(void) | |||
| 538 | r = pm_runtime_put_sync(&dispc.pdev->dev); | 505 | r = pm_runtime_put_sync(&dispc.pdev->dev); |
| 539 | WARN_ON(r < 0 && r != -ENOSYS); | 506 | WARN_ON(r < 0 && r != -ENOSYS); |
| 540 | } | 507 | } |
| 508 | EXPORT_SYMBOL(dispc_runtime_put); | ||
| 541 | 509 | ||
| 542 | u32 dispc_mgr_get_vsync_irq(enum omap_channel channel) | 510 | u32 dispc_mgr_get_vsync_irq(enum omap_channel channel) |
| 543 | { | 511 | { |
| 544 | return mgr_desc[channel].vsync_irq; | 512 | return mgr_desc[channel].vsync_irq; |
| 545 | } | 513 | } |
| 514 | EXPORT_SYMBOL(dispc_mgr_get_vsync_irq); | ||
| 546 | 515 | ||
| 547 | u32 dispc_mgr_get_framedone_irq(enum omap_channel channel) | 516 | u32 dispc_mgr_get_framedone_irq(enum omap_channel channel) |
| 548 | { | 517 | { |
| @@ -551,11 +520,13 @@ u32 dispc_mgr_get_framedone_irq(enum omap_channel channel) | |||
| 551 | 520 | ||
| 552 | return mgr_desc[channel].framedone_irq; | 521 | return mgr_desc[channel].framedone_irq; |
| 553 | } | 522 | } |
| 523 | EXPORT_SYMBOL(dispc_mgr_get_framedone_irq); | ||
| 554 | 524 | ||
| 555 | u32 dispc_mgr_get_sync_lost_irq(enum omap_channel channel) | 525 | u32 dispc_mgr_get_sync_lost_irq(enum omap_channel channel) |
| 556 | { | 526 | { |
| 557 | return mgr_desc[channel].sync_lost_irq; | 527 | return mgr_desc[channel].sync_lost_irq; |
| 558 | } | 528 | } |
| 529 | EXPORT_SYMBOL(dispc_mgr_get_sync_lost_irq); | ||
| 559 | 530 | ||
| 560 | u32 dispc_wb_get_framedone_irq(void) | 531 | u32 dispc_wb_get_framedone_irq(void) |
| 561 | { | 532 | { |
| @@ -566,6 +537,7 @@ bool dispc_mgr_go_busy(enum omap_channel channel) | |||
| 566 | { | 537 | { |
| 567 | return mgr_fld_read(channel, DISPC_MGR_FLD_GO) == 1; | 538 | return mgr_fld_read(channel, DISPC_MGR_FLD_GO) == 1; |
| 568 | } | 539 | } |
| 540 | EXPORT_SYMBOL(dispc_mgr_go_busy); | ||
| 569 | 541 | ||
| 570 | void dispc_mgr_go(enum omap_channel channel) | 542 | void dispc_mgr_go(enum omap_channel channel) |
| 571 | { | 543 | { |
| @@ -576,6 +548,7 @@ void dispc_mgr_go(enum omap_channel channel) | |||
| 576 | 548 | ||
| 577 | mgr_fld_write(channel, DISPC_MGR_FLD_GO, 1); | 549 | mgr_fld_write(channel, DISPC_MGR_FLD_GO, 1); |
| 578 | } | 550 | } |
| 551 | EXPORT_SYMBOL(dispc_mgr_go); | ||
| 579 | 552 | ||
| 580 | bool dispc_wb_go_busy(void) | 553 | bool dispc_wb_go_busy(void) |
| 581 | { | 554 | { |
| @@ -979,6 +952,7 @@ void dispc_ovl_set_channel_out(enum omap_plane plane, enum omap_channel channel) | |||
| 979 | } | 952 | } |
| 980 | dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), val); | 953 | dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), val); |
| 981 | } | 954 | } |
| 955 | EXPORT_SYMBOL(dispc_ovl_set_channel_out); | ||
| 982 | 956 | ||
| 983 | static enum omap_channel dispc_ovl_get_channel_out(enum omap_plane plane) | 957 | static enum omap_channel dispc_ovl_get_channel_out(enum omap_plane plane) |
| 984 | { | 958 | { |
| @@ -2354,6 +2328,47 @@ static int dispc_ovl_calc_scaling(unsigned long pclk, unsigned long lclk, | |||
| 2354 | return 0; | 2328 | return 0; |
| 2355 | } | 2329 | } |
| 2356 | 2330 | ||
| 2331 | int dispc_ovl_check(enum omap_plane plane, enum omap_channel channel, | ||
| 2332 | const struct omap_overlay_info *oi, | ||
| 2333 | const struct omap_video_timings *timings, | ||
| 2334 | int *x_predecim, int *y_predecim) | ||
| 2335 | { | ||
| 2336 | enum omap_overlay_caps caps = dss_feat_get_overlay_caps(plane); | ||
| 2337 | bool five_taps = true; | ||
| 2338 | bool fieldmode = 0; | ||
| 2339 | u16 in_height = oi->height; | ||
| 2340 | u16 in_width = oi->width; | ||
| 2341 | bool ilace = timings->interlace; | ||
| 2342 | u16 out_width, out_height; | ||
| 2343 | int pos_x = oi->pos_x; | ||
| 2344 | unsigned long pclk = dispc_mgr_pclk_rate(channel); | ||
| 2345 | unsigned long lclk = dispc_mgr_lclk_rate(channel); | ||
| 2346 | |||
| 2347 | out_width = oi->out_width == 0 ? oi->width : oi->out_width; | ||
| 2348 | out_height = oi->out_height == 0 ? oi->height : oi->out_height; | ||
| 2349 | |||
| 2350 | if (ilace && oi->height == out_height) | ||
| 2351 | fieldmode = 1; | ||
| 2352 | |||
| 2353 | if (ilace) { | ||
| 2354 | if (fieldmode) | ||
| 2355 | in_height /= 2; | ||
| 2356 | out_height /= 2; | ||
| 2357 | |||
| 2358 | DSSDBG("adjusting for ilace: height %d, out_height %d\n", | ||
| 2359 | in_height, out_height); | ||
| 2360 | } | ||
| 2361 | |||
| 2362 | if (!dss_feat_color_mode_supported(plane, oi->color_mode)) | ||
| 2363 | return -EINVAL; | ||
| 2364 | |||
| 2365 | return dispc_ovl_calc_scaling(pclk, lclk, caps, timings, in_width, | ||
| 2366 | in_height, out_width, out_height, oi->color_mode, | ||
| 2367 | &five_taps, x_predecim, y_predecim, pos_x, | ||
| 2368 | oi->rotation_type, false); | ||
| 2369 | } | ||
| 2370 | EXPORT_SYMBOL(dispc_ovl_check); | ||
| 2371 | |||
| 2357 | static int dispc_ovl_setup_common(enum omap_plane plane, | 2372 | static int dispc_ovl_setup_common(enum omap_plane plane, |
| 2358 | enum omap_overlay_caps caps, u32 paddr, u32 p_uv_addr, | 2373 | enum omap_overlay_caps caps, u32 paddr, u32 p_uv_addr, |
| 2359 | u16 screen_width, int pos_x, int pos_y, u16 width, u16 height, | 2374 | 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, | |||
| 2533 | 2548 | ||
| 2534 | return r; | 2549 | return r; |
| 2535 | } | 2550 | } |
| 2551 | EXPORT_SYMBOL(dispc_ovl_setup); | ||
| 2536 | 2552 | ||
| 2537 | int dispc_wb_setup(const struct omap_dss_writeback_info *wi, | 2553 | int dispc_wb_setup(const struct omap_dss_writeback_info *wi, |
| 2538 | bool mem_to_mem, const struct omap_video_timings *mgr_timings) | 2554 | 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) | |||
| 2593 | 2609 | ||
| 2594 | return 0; | 2610 | return 0; |
| 2595 | } | 2611 | } |
| 2612 | EXPORT_SYMBOL(dispc_ovl_enable); | ||
| 2596 | 2613 | ||
| 2597 | bool dispc_ovl_enabled(enum omap_plane plane) | 2614 | bool dispc_ovl_enabled(enum omap_plane plane) |
| 2598 | { | 2615 | { |
| 2599 | return REG_GET(DISPC_OVL_ATTRIBUTES(plane), 0, 0); | 2616 | return REG_GET(DISPC_OVL_ATTRIBUTES(plane), 0, 0); |
| 2600 | } | 2617 | } |
| 2601 | 2618 | EXPORT_SYMBOL(dispc_ovl_enabled); | |
| 2602 | static void dispc_mgr_disable_isr(void *data, u32 mask) | ||
| 2603 | { | ||
| 2604 | struct completion *compl = data; | ||
| 2605 | complete(compl); | ||
| 2606 | } | ||
| 2607 | 2619 | ||
| 2608 | void dispc_mgr_enable(enum omap_channel channel, bool enable) | 2620 | void dispc_mgr_enable(enum omap_channel channel, bool enable) |
| 2609 | { | 2621 | { |
| @@ -2611,180 +2623,13 @@ void dispc_mgr_enable(enum omap_channel channel, bool enable) | |||
| 2611 | /* flush posted write */ | 2623 | /* flush posted write */ |
| 2612 | mgr_fld_read(channel, DISPC_MGR_FLD_ENABLE); | 2624 | mgr_fld_read(channel, DISPC_MGR_FLD_ENABLE); |
| 2613 | } | 2625 | } |
| 2626 | EXPORT_SYMBOL(dispc_mgr_enable); | ||
| 2614 | 2627 | ||
| 2615 | bool dispc_mgr_is_enabled(enum omap_channel channel) | 2628 | bool dispc_mgr_is_enabled(enum omap_channel channel) |
| 2616 | { | 2629 | { |
| 2617 | return !!mgr_fld_read(channel, DISPC_MGR_FLD_ENABLE); | 2630 | return !!mgr_fld_read(channel, DISPC_MGR_FLD_ENABLE); |
| 2618 | } | 2631 | } |
| 2619 | 2632 | EXPORT_SYMBOL(dispc_mgr_is_enabled); | |
| 2620 | static void dispc_mgr_enable_lcd_out(enum omap_channel channel) | ||
| 2621 | { | ||
| 2622 | dispc_mgr_enable(channel, true); | ||
| 2623 | } | ||
| 2624 | |||
| 2625 | static void dispc_mgr_disable_lcd_out(enum omap_channel channel) | ||
| 2626 | { | ||
| 2627 | DECLARE_COMPLETION_ONSTACK(framedone_compl); | ||
| 2628 | int r; | ||
| 2629 | u32 irq; | ||
| 2630 | |||
| 2631 | if (dispc_mgr_is_enabled(channel) == false) | ||
| 2632 | return; | ||
| 2633 | |||
| 2634 | /* | ||
| 2635 | * When we disable LCD output, we need to wait for FRAMEDONE to know | ||
| 2636 | * that DISPC has finished with the LCD output. | ||
| 2637 | */ | ||
| 2638 | |||
| 2639 | irq = dispc_mgr_get_framedone_irq(channel); | ||
| 2640 | |||
| 2641 | r = omap_dispc_register_isr(dispc_mgr_disable_isr, &framedone_compl, | ||
| 2642 | irq); | ||
| 2643 | if (r) | ||
| 2644 | DSSERR("failed to register FRAMEDONE isr\n"); | ||
| 2645 | |||
| 2646 | dispc_mgr_enable(channel, false); | ||
| 2647 | |||
| 2648 | /* if we couldn't register for framedone, just sleep and exit */ | ||
| 2649 | if (r) { | ||
| 2650 | msleep(100); | ||
| 2651 | return; | ||
| 2652 | } | ||
| 2653 | |||
| 2654 | if (!wait_for_completion_timeout(&framedone_compl, | ||
| 2655 | msecs_to_jiffies(100))) | ||
| 2656 | DSSERR("timeout waiting for FRAME DONE\n"); | ||
| 2657 | |||
| 2658 | r = omap_dispc_unregister_isr(dispc_mgr_disable_isr, &framedone_compl, | ||
| 2659 | irq); | ||
| 2660 | if (r) | ||
| 2661 | DSSERR("failed to unregister FRAMEDONE isr\n"); | ||
| 2662 | } | ||
| 2663 | |||
| 2664 | static void dispc_digit_out_enable_isr(void *data, u32 mask) | ||
| 2665 | { | ||
| 2666 | struct completion *compl = data; | ||
| 2667 | |||
| 2668 | /* ignore any sync lost interrupts */ | ||
| 2669 | if (mask & (DISPC_IRQ_EVSYNC_EVEN | DISPC_IRQ_EVSYNC_ODD)) | ||
| 2670 | complete(compl); | ||
| 2671 | } | ||
| 2672 | |||
| 2673 | static void dispc_mgr_enable_digit_out(void) | ||
| 2674 | { | ||
| 2675 | DECLARE_COMPLETION_ONSTACK(vsync_compl); | ||
| 2676 | int r; | ||
| 2677 | u32 irq_mask; | ||
| 2678 | |||
| 2679 | if (dispc_mgr_is_enabled(OMAP_DSS_CHANNEL_DIGIT) == true) | ||
| 2680 | return; | ||
| 2681 | |||
| 2682 | /* | ||
| 2683 | * Digit output produces some sync lost interrupts during the first | ||
| 2684 | * frame when enabling. Those need to be ignored, so we register for the | ||
| 2685 | * sync lost irq to prevent the error handler from triggering. | ||
| 2686 | */ | ||
| 2687 | |||
| 2688 | irq_mask = dispc_mgr_get_vsync_irq(OMAP_DSS_CHANNEL_DIGIT) | | ||
| 2689 | dispc_mgr_get_sync_lost_irq(OMAP_DSS_CHANNEL_DIGIT); | ||
| 2690 | |||
| 2691 | r = omap_dispc_register_isr(dispc_digit_out_enable_isr, &vsync_compl, | ||
| 2692 | irq_mask); | ||
| 2693 | if (r) { | ||
| 2694 | DSSERR("failed to register %x isr\n", irq_mask); | ||
| 2695 | return; | ||
| 2696 | } | ||
| 2697 | |||
| 2698 | dispc_mgr_enable(OMAP_DSS_CHANNEL_DIGIT, true); | ||
| 2699 | |||
| 2700 | /* wait for the first evsync */ | ||
| 2701 | if (!wait_for_completion_timeout(&vsync_compl, msecs_to_jiffies(100))) | ||
| 2702 | DSSERR("timeout waiting for digit out to start\n"); | ||
| 2703 | |||
| 2704 | r = omap_dispc_unregister_isr(dispc_digit_out_enable_isr, &vsync_compl, | ||
| 2705 | irq_mask); | ||
| 2706 | if (r) | ||
| 2707 | DSSERR("failed to unregister %x isr\n", irq_mask); | ||
| 2708 | } | ||
| 2709 | |||
| 2710 | static void dispc_mgr_disable_digit_out(void) | ||
| 2711 | { | ||
| 2712 | DECLARE_COMPLETION_ONSTACK(framedone_compl); | ||
| 2713 | int r, i; | ||
| 2714 | u32 irq_mask; | ||
| 2715 | int num_irqs; | ||
| 2716 | |||
| 2717 | if (dispc_mgr_is_enabled(OMAP_DSS_CHANNEL_DIGIT) == false) | ||
| 2718 | return; | ||
| 2719 | |||
| 2720 | /* | ||
| 2721 | * When we disable the digit output, we need to wait for FRAMEDONE to | ||
| 2722 | * know that DISPC has finished with the output. | ||
| 2723 | */ | ||
| 2724 | |||
| 2725 | irq_mask = dispc_mgr_get_framedone_irq(OMAP_DSS_CHANNEL_DIGIT); | ||
| 2726 | num_irqs = 1; | ||
| 2727 | |||
| 2728 | if (!irq_mask) { | ||
| 2729 | /* | ||
| 2730 | * omap 2/3 don't have framedone irq for TV, so we need to use | ||
| 2731 | * vsyncs for this. | ||
| 2732 | */ | ||
| 2733 | |||
| 2734 | irq_mask = dispc_mgr_get_vsync_irq(OMAP_DSS_CHANNEL_DIGIT); | ||
| 2735 | /* | ||
| 2736 | * We need to wait for both even and odd vsyncs. Note that this | ||
| 2737 | * is not totally reliable, as we could get a vsync interrupt | ||
| 2738 | * before we disable the output, which leads to timeout in the | ||
| 2739 | * wait_for_completion. | ||
| 2740 | */ | ||
| 2741 | num_irqs = 2; | ||
| 2742 | } | ||
| 2743 | |||
| 2744 | r = omap_dispc_register_isr(dispc_mgr_disable_isr, &framedone_compl, | ||
| 2745 | irq_mask); | ||
| 2746 | if (r) | ||
| 2747 | DSSERR("failed to register %x isr\n", irq_mask); | ||
| 2748 | |||
| 2749 | dispc_mgr_enable(OMAP_DSS_CHANNEL_DIGIT, false); | ||
| 2750 | |||
| 2751 | /* if we couldn't register the irq, just sleep and exit */ | ||
| 2752 | if (r) { | ||
| 2753 | msleep(100); | ||
| 2754 | return; | ||
| 2755 | } | ||
| 2756 | |||
| 2757 | for (i = 0; i < num_irqs; ++i) { | ||
| 2758 | if (!wait_for_completion_timeout(&framedone_compl, | ||
| 2759 | msecs_to_jiffies(100))) | ||
| 2760 | DSSERR("timeout waiting for digit out to stop\n"); | ||
| 2761 | } | ||
| 2762 | |||
| 2763 | r = omap_dispc_unregister_isr(dispc_mgr_disable_isr, &framedone_compl, | ||
| 2764 | irq_mask); | ||
| 2765 | if (r) | ||
| 2766 | DSSERR("failed to unregister %x isr\n", irq_mask); | ||
| 2767 | } | ||
| 2768 | |||
| 2769 | void dispc_mgr_enable_sync(enum omap_channel channel) | ||
| 2770 | { | ||
| 2771 | if (dss_mgr_is_lcd(channel)) | ||
| 2772 | dispc_mgr_enable_lcd_out(channel); | ||
| 2773 | else if (channel == OMAP_DSS_CHANNEL_DIGIT) | ||
| 2774 | dispc_mgr_enable_digit_out(); | ||
| 2775 | else | ||
| 2776 | WARN_ON(1); | ||
| 2777 | } | ||
| 2778 | |||
| 2779 | void dispc_mgr_disable_sync(enum omap_channel channel) | ||
| 2780 | { | ||
| 2781 | if (dss_mgr_is_lcd(channel)) | ||
| 2782 | dispc_mgr_disable_lcd_out(channel); | ||
| 2783 | else if (channel == OMAP_DSS_CHANNEL_DIGIT) | ||
| 2784 | dispc_mgr_disable_digit_out(); | ||
| 2785 | else | ||
| 2786 | WARN_ON(1); | ||
| 2787 | } | ||
| 2788 | 2633 | ||
| 2789 | void dispc_wb_enable(bool enable) | 2634 | void dispc_wb_enable(bool enable) |
| 2790 | { | 2635 | { |
| @@ -2881,6 +2726,7 @@ void dispc_mgr_setup(enum omap_channel channel, | |||
| 2881 | dispc_mgr_set_cpr_coef(channel, &info->cpr_coefs); | 2726 | dispc_mgr_set_cpr_coef(channel, &info->cpr_coefs); |
| 2882 | } | 2727 | } |
| 2883 | } | 2728 | } |
| 2729 | EXPORT_SYMBOL(dispc_mgr_setup); | ||
| 2884 | 2730 | ||
| 2885 | static void dispc_mgr_set_tft_data_lines(enum omap_channel channel, u8 data_lines) | 2731 | static void dispc_mgr_set_tft_data_lines(enum omap_channel channel, u8 data_lines) |
| 2886 | { | 2732 | { |
| @@ -2957,6 +2803,7 @@ void dispc_mgr_set_lcd_config(enum omap_channel channel, | |||
| 2957 | 2803 | ||
| 2958 | dispc_mgr_set_lcd_type_tft(channel); | 2804 | dispc_mgr_set_lcd_type_tft(channel); |
| 2959 | } | 2805 | } |
| 2806 | EXPORT_SYMBOL(dispc_mgr_set_lcd_config); | ||
| 2960 | 2807 | ||
| 2961 | static bool _dispc_mgr_size_ok(u16 width, u16 height) | 2808 | static bool _dispc_mgr_size_ok(u16 width, u16 height) |
| 2962 | { | 2809 | { |
| @@ -3095,6 +2942,7 @@ void dispc_mgr_set_timings(enum omap_channel channel, | |||
| 3095 | 2942 | ||
| 3096 | dispc_mgr_set_size(channel, t.x_res, t.y_res); | 2943 | dispc_mgr_set_size(channel, t.x_res, t.y_res); |
| 3097 | } | 2944 | } |
| 2945 | EXPORT_SYMBOL(dispc_mgr_set_timings); | ||
| 3098 | 2946 | ||
| 3099 | static void dispc_mgr_set_lcd_divisor(enum omap_channel channel, u16 lck_div, | 2947 | static void dispc_mgr_set_lcd_divisor(enum omap_channel channel, u16 lck_div, |
| 3100 | u16 pck_div) | 2948 | u16 pck_div) |
| @@ -3301,64 +3149,6 @@ void dispc_dump_clocks(struct seq_file *s) | |||
| 3301 | dispc_runtime_put(); | 3149 | dispc_runtime_put(); |
| 3302 | } | 3150 | } |
| 3303 | 3151 | ||
| 3304 | #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS | ||
| 3305 | static void dispc_dump_irqs(struct seq_file *s) | ||
| 3306 | { | ||
| 3307 | unsigned long flags; | ||
| 3308 | struct dispc_irq_stats stats; | ||
| 3309 | |||
| 3310 | spin_lock_irqsave(&dispc.irq_stats_lock, flags); | ||
| 3311 | |||
| 3312 | stats = dispc.irq_stats; | ||
| 3313 | memset(&dispc.irq_stats, 0, sizeof(dispc.irq_stats)); | ||
| 3314 | dispc.irq_stats.last_reset = jiffies; | ||
| 3315 | |||
| 3316 | spin_unlock_irqrestore(&dispc.irq_stats_lock, flags); | ||
| 3317 | |||
| 3318 | seq_printf(s, "period %u ms\n", | ||
| 3319 | jiffies_to_msecs(jiffies - stats.last_reset)); | ||
| 3320 | |||
| 3321 | seq_printf(s, "irqs %d\n", stats.irq_count); | ||
| 3322 | #define PIS(x) \ | ||
| 3323 | seq_printf(s, "%-20s %10d\n", #x, stats.irqs[ffs(DISPC_IRQ_##x)-1]); | ||
| 3324 | |||
| 3325 | PIS(FRAMEDONE); | ||
| 3326 | PIS(VSYNC); | ||
| 3327 | PIS(EVSYNC_EVEN); | ||
| 3328 | PIS(EVSYNC_ODD); | ||
| 3329 | PIS(ACBIAS_COUNT_STAT); | ||
| 3330 | PIS(PROG_LINE_NUM); | ||
| 3331 | PIS(GFX_FIFO_UNDERFLOW); | ||
| 3332 | PIS(GFX_END_WIN); | ||
| 3333 | PIS(PAL_GAMMA_MASK); | ||
| 3334 | PIS(OCP_ERR); | ||
| 3335 | PIS(VID1_FIFO_UNDERFLOW); | ||
| 3336 | PIS(VID1_END_WIN); | ||
| 3337 | PIS(VID2_FIFO_UNDERFLOW); | ||
| 3338 | PIS(VID2_END_WIN); | ||
| 3339 | if (dss_feat_get_num_ovls() > 3) { | ||
| 3340 | PIS(VID3_FIFO_UNDERFLOW); | ||
| 3341 | PIS(VID3_END_WIN); | ||
| 3342 | } | ||
| 3343 | PIS(SYNC_LOST); | ||
| 3344 | PIS(SYNC_LOST_DIGIT); | ||
| 3345 | PIS(WAKEUP); | ||
| 3346 | if (dss_has_feature(FEAT_MGR_LCD2)) { | ||
| 3347 | PIS(FRAMEDONE2); | ||
| 3348 | PIS(VSYNC2); | ||
| 3349 | PIS(ACBIAS_COUNT_STAT2); | ||
| 3350 | PIS(SYNC_LOST2); | ||
| 3351 | } | ||
| 3352 | if (dss_has_feature(FEAT_MGR_LCD3)) { | ||
| 3353 | PIS(FRAMEDONE3); | ||
| 3354 | PIS(VSYNC3); | ||
| 3355 | PIS(ACBIAS_COUNT_STAT3); | ||
| 3356 | PIS(SYNC_LOST3); | ||
| 3357 | } | ||
| 3358 | #undef PIS | ||
| 3359 | } | ||
| 3360 | #endif | ||
| 3361 | |||
| 3362 | static void dispc_dump_regs(struct seq_file *s) | 3152 | static void dispc_dump_regs(struct seq_file *s) |
| 3363 | { | 3153 | { |
| 3364 | int i, j; | 3154 | int i, j; |
| @@ -3616,16 +3406,19 @@ u32 dispc_read_irqstatus(void) | |||
| 3616 | { | 3406 | { |
| 3617 | return dispc_read_reg(DISPC_IRQSTATUS); | 3407 | return dispc_read_reg(DISPC_IRQSTATUS); |
| 3618 | } | 3408 | } |
| 3409 | EXPORT_SYMBOL(dispc_read_irqstatus); | ||
| 3619 | 3410 | ||
| 3620 | void dispc_clear_irqstatus(u32 mask) | 3411 | void dispc_clear_irqstatus(u32 mask) |
| 3621 | { | 3412 | { |
| 3622 | dispc_write_reg(DISPC_IRQSTATUS, mask); | 3413 | dispc_write_reg(DISPC_IRQSTATUS, mask); |
| 3623 | } | 3414 | } |
| 3415 | EXPORT_SYMBOL(dispc_clear_irqstatus); | ||
| 3624 | 3416 | ||
| 3625 | u32 dispc_read_irqenable(void) | 3417 | u32 dispc_read_irqenable(void) |
| 3626 | { | 3418 | { |
| 3627 | return dispc_read_reg(DISPC_IRQENABLE); | 3419 | return dispc_read_reg(DISPC_IRQENABLE); |
| 3628 | } | 3420 | } |
| 3421 | EXPORT_SYMBOL(dispc_read_irqenable); | ||
| 3629 | 3422 | ||
| 3630 | void dispc_write_irqenable(u32 mask) | 3423 | void dispc_write_irqenable(u32 mask) |
| 3631 | { | 3424 | { |
| @@ -3636,376 +3429,7 @@ void dispc_write_irqenable(u32 mask) | |||
| 3636 | 3429 | ||
| 3637 | dispc_write_reg(DISPC_IRQENABLE, mask); | 3430 | dispc_write_reg(DISPC_IRQENABLE, mask); |
| 3638 | } | 3431 | } |
| 3639 | 3432 | EXPORT_SYMBOL(dispc_write_irqenable); | |
| 3640 | /* dispc.irq_lock has to be locked by the caller */ | ||
| 3641 | static void _omap_dispc_set_irqs(void) | ||
| 3642 | { | ||
| 3643 | u32 mask; | ||
| 3644 | int i; | ||
| 3645 | struct omap_dispc_isr_data *isr_data; | ||
| 3646 | |||
| 3647 | mask = dispc.irq_error_mask; | ||
| 3648 | |||
| 3649 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | ||
| 3650 | isr_data = &dispc.registered_isr[i]; | ||
| 3651 | |||
| 3652 | if (isr_data->isr == NULL) | ||
| 3653 | continue; | ||
| 3654 | |||
| 3655 | mask |= isr_data->mask; | ||
| 3656 | } | ||
| 3657 | |||
| 3658 | dispc_write_irqenable(mask); | ||
| 3659 | } | ||
| 3660 | |||
| 3661 | int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask) | ||
| 3662 | { | ||
| 3663 | int i; | ||
| 3664 | int ret; | ||
| 3665 | unsigned long flags; | ||
| 3666 | struct omap_dispc_isr_data *isr_data; | ||
| 3667 | |||
| 3668 | if (isr == NULL) | ||
| 3669 | return -EINVAL; | ||
| 3670 | |||
| 3671 | spin_lock_irqsave(&dispc.irq_lock, flags); | ||
| 3672 | |||
| 3673 | /* check for duplicate entry */ | ||
| 3674 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | ||
| 3675 | isr_data = &dispc.registered_isr[i]; | ||
| 3676 | if (isr_data->isr == isr && isr_data->arg == arg && | ||
| 3677 | isr_data->mask == mask) { | ||
| 3678 | ret = -EINVAL; | ||
| 3679 | goto err; | ||
| 3680 | } | ||
| 3681 | } | ||
| 3682 | |||
| 3683 | isr_data = NULL; | ||
| 3684 | ret = -EBUSY; | ||
| 3685 | |||
| 3686 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | ||
| 3687 | isr_data = &dispc.registered_isr[i]; | ||
| 3688 | |||
| 3689 | if (isr_data->isr != NULL) | ||
| 3690 | continue; | ||
| 3691 | |||
| 3692 | isr_data->isr = isr; | ||
| 3693 | isr_data->arg = arg; | ||
| 3694 | isr_data->mask = mask; | ||
| 3695 | ret = 0; | ||
| 3696 | |||
| 3697 | break; | ||
| 3698 | } | ||
| 3699 | |||
| 3700 | if (ret) | ||
| 3701 | goto err; | ||
| 3702 | |||
| 3703 | _omap_dispc_set_irqs(); | ||
| 3704 | |||
| 3705 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | ||
| 3706 | |||
| 3707 | return 0; | ||
| 3708 | err: | ||
| 3709 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | ||
| 3710 | |||
| 3711 | return ret; | ||
| 3712 | } | ||
| 3713 | EXPORT_SYMBOL(omap_dispc_register_isr); | ||
| 3714 | |||
| 3715 | int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask) | ||
| 3716 | { | ||
| 3717 | int i; | ||
| 3718 | unsigned long flags; | ||
| 3719 | int ret = -EINVAL; | ||
| 3720 | struct omap_dispc_isr_data *isr_data; | ||
| 3721 | |||
| 3722 | spin_lock_irqsave(&dispc.irq_lock, flags); | ||
| 3723 | |||
| 3724 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | ||
| 3725 | isr_data = &dispc.registered_isr[i]; | ||
| 3726 | if (isr_data->isr != isr || isr_data->arg != arg || | ||
| 3727 | isr_data->mask != mask) | ||
| 3728 | continue; | ||
| 3729 | |||
| 3730 | /* found the correct isr */ | ||
| 3731 | |||
| 3732 | isr_data->isr = NULL; | ||
| 3733 | isr_data->arg = NULL; | ||
| 3734 | isr_data->mask = 0; | ||
| 3735 | |||
| 3736 | ret = 0; | ||
| 3737 | break; | ||
| 3738 | } | ||
| 3739 | |||
| 3740 | if (ret == 0) | ||
| 3741 | _omap_dispc_set_irqs(); | ||
| 3742 | |||
| 3743 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | ||
| 3744 | |||
| 3745 | return ret; | ||
| 3746 | } | ||
| 3747 | EXPORT_SYMBOL(omap_dispc_unregister_isr); | ||
| 3748 | |||
| 3749 | static void print_irq_status(u32 status) | ||
| 3750 | { | ||
| 3751 | if ((status & dispc.irq_error_mask) == 0) | ||
| 3752 | return; | ||
| 3753 | |||
| 3754 | #define PIS(x) (status & DISPC_IRQ_##x) ? (#x " ") : "" | ||
| 3755 | |||
| 3756 | pr_debug("DISPC IRQ: 0x%x: %s%s%s%s%s%s%s%s%s\n", | ||
| 3757 | status, | ||
| 3758 | PIS(OCP_ERR), | ||
| 3759 | PIS(GFX_FIFO_UNDERFLOW), | ||
| 3760 | PIS(VID1_FIFO_UNDERFLOW), | ||
| 3761 | PIS(VID2_FIFO_UNDERFLOW), | ||
| 3762 | dss_feat_get_num_ovls() > 3 ? PIS(VID3_FIFO_UNDERFLOW) : "", | ||
| 3763 | PIS(SYNC_LOST), | ||
| 3764 | PIS(SYNC_LOST_DIGIT), | ||
| 3765 | dss_has_feature(FEAT_MGR_LCD2) ? PIS(SYNC_LOST2) : "", | ||
| 3766 | dss_has_feature(FEAT_MGR_LCD3) ? PIS(SYNC_LOST3) : ""); | ||
| 3767 | #undef PIS | ||
| 3768 | } | ||
| 3769 | |||
| 3770 | /* Called from dss.c. Note that we don't touch clocks here, | ||
| 3771 | * but we presume they are on because we got an IRQ. However, | ||
| 3772 | * an irq handler may turn the clocks off, so we may not have | ||
| 3773 | * clock later in the function. */ | ||
| 3774 | static irqreturn_t omap_dispc_irq_handler(int irq, void *arg) | ||
| 3775 | { | ||
| 3776 | int i; | ||
| 3777 | u32 irqstatus, irqenable; | ||
| 3778 | u32 handledirqs = 0; | ||
| 3779 | u32 unhandled_errors; | ||
| 3780 | struct omap_dispc_isr_data *isr_data; | ||
| 3781 | struct omap_dispc_isr_data registered_isr[DISPC_MAX_NR_ISRS]; | ||
| 3782 | |||
| 3783 | spin_lock(&dispc.irq_lock); | ||
| 3784 | |||
| 3785 | irqstatus = dispc_read_irqstatus(); | ||
| 3786 | irqenable = dispc_read_irqenable(); | ||
| 3787 | |||
| 3788 | /* IRQ is not for us */ | ||
| 3789 | if (!(irqstatus & irqenable)) { | ||
| 3790 | spin_unlock(&dispc.irq_lock); | ||
| 3791 | return IRQ_NONE; | ||
| 3792 | } | ||
| 3793 | |||
| 3794 | #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS | ||
| 3795 | spin_lock(&dispc.irq_stats_lock); | ||
| 3796 | dispc.irq_stats.irq_count++; | ||
| 3797 | dss_collect_irq_stats(irqstatus, dispc.irq_stats.irqs); | ||
| 3798 | spin_unlock(&dispc.irq_stats_lock); | ||
| 3799 | #endif | ||
| 3800 | |||
| 3801 | print_irq_status(irqstatus); | ||
| 3802 | |||
| 3803 | /* Ack the interrupt. Do it here before clocks are possibly turned | ||
| 3804 | * off */ | ||
| 3805 | dispc_clear_irqstatus(irqstatus); | ||
| 3806 | /* flush posted write */ | ||
| 3807 | dispc_read_irqstatus(); | ||
| 3808 | |||
| 3809 | /* make a copy and unlock, so that isrs can unregister | ||
| 3810 | * themselves */ | ||
| 3811 | memcpy(registered_isr, dispc.registered_isr, | ||
| 3812 | sizeof(registered_isr)); | ||
| 3813 | |||
| 3814 | spin_unlock(&dispc.irq_lock); | ||
| 3815 | |||
| 3816 | for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { | ||
| 3817 | isr_data = ®istered_isr[i]; | ||
| 3818 | |||
| 3819 | if (!isr_data->isr) | ||
| 3820 | continue; | ||
| 3821 | |||
| 3822 | if (isr_data->mask & irqstatus) { | ||
| 3823 | isr_data->isr(isr_data->arg, irqstatus); | ||
| 3824 | handledirqs |= isr_data->mask; | ||
| 3825 | } | ||
| 3826 | } | ||
| 3827 | |||
| 3828 | spin_lock(&dispc.irq_lock); | ||
| 3829 | |||
| 3830 | unhandled_errors = irqstatus & ~handledirqs & dispc.irq_error_mask; | ||
| 3831 | |||
| 3832 | if (unhandled_errors) { | ||
| 3833 | dispc.error_irqs |= unhandled_errors; | ||
| 3834 | |||
| 3835 | dispc.irq_error_mask &= ~unhandled_errors; | ||
| 3836 | _omap_dispc_set_irqs(); | ||
| 3837 | |||
| 3838 | schedule_work(&dispc.error_work); | ||
| 3839 | } | ||
| 3840 | |||
| 3841 | spin_unlock(&dispc.irq_lock); | ||
| 3842 | |||
| 3843 | return IRQ_HANDLED; | ||
| 3844 | } | ||
| 3845 | |||
| 3846 | static void dispc_error_worker(struct work_struct *work) | ||
| 3847 | { | ||
| 3848 | int i; | ||
| 3849 | u32 errors; | ||
| 3850 | unsigned long flags; | ||
| 3851 | static const unsigned fifo_underflow_bits[] = { | ||
| 3852 | DISPC_IRQ_GFX_FIFO_UNDERFLOW, | ||
| 3853 | DISPC_IRQ_VID1_FIFO_UNDERFLOW, | ||
| 3854 | DISPC_IRQ_VID2_FIFO_UNDERFLOW, | ||
| 3855 | DISPC_IRQ_VID3_FIFO_UNDERFLOW, | ||
| 3856 | }; | ||
| 3857 | |||
| 3858 | spin_lock_irqsave(&dispc.irq_lock, flags); | ||
| 3859 | errors = dispc.error_irqs; | ||
| 3860 | dispc.error_irqs = 0; | ||
| 3861 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | ||
| 3862 | |||
| 3863 | dispc_runtime_get(); | ||
| 3864 | |||
| 3865 | for (i = 0; i < omap_dss_get_num_overlays(); ++i) { | ||
| 3866 | struct omap_overlay *ovl; | ||
| 3867 | unsigned bit; | ||
| 3868 | |||
| 3869 | ovl = omap_dss_get_overlay(i); | ||
| 3870 | bit = fifo_underflow_bits[i]; | ||
| 3871 | |||
| 3872 | if (bit & errors) { | ||
| 3873 | DSSERR("FIFO UNDERFLOW on %s, disabling the overlay\n", | ||
| 3874 | ovl->name); | ||
| 3875 | dispc_ovl_enable(ovl->id, false); | ||
| 3876 | dispc_mgr_go(ovl->manager->id); | ||
| 3877 | msleep(50); | ||
| 3878 | } | ||
| 3879 | } | ||
| 3880 | |||
| 3881 | for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) { | ||
| 3882 | struct omap_overlay_manager *mgr; | ||
| 3883 | unsigned bit; | ||
| 3884 | |||
| 3885 | mgr = omap_dss_get_overlay_manager(i); | ||
| 3886 | bit = mgr_desc[i].sync_lost_irq; | ||
| 3887 | |||
| 3888 | if (bit & errors) { | ||
| 3889 | int j; | ||
| 3890 | |||
| 3891 | DSSERR("SYNC_LOST on channel %s, restarting the output " | ||
| 3892 | "with video overlays disabled\n", | ||
| 3893 | mgr->name); | ||
| 3894 | |||
| 3895 | dss_mgr_disable(mgr); | ||
| 3896 | |||
| 3897 | for (j = 0; j < omap_dss_get_num_overlays(); ++j) { | ||
| 3898 | struct omap_overlay *ovl; | ||
| 3899 | ovl = omap_dss_get_overlay(j); | ||
| 3900 | |||
| 3901 | if (ovl->id != OMAP_DSS_GFX && | ||
| 3902 | ovl->manager == mgr) | ||
| 3903 | ovl->disable(ovl); | ||
| 3904 | } | ||
| 3905 | |||
| 3906 | dss_mgr_enable(mgr); | ||
| 3907 | } | ||
| 3908 | } | ||
| 3909 | |||
| 3910 | if (errors & DISPC_IRQ_OCP_ERR) { | ||
| 3911 | DSSERR("OCP_ERR\n"); | ||
| 3912 | for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) { | ||
| 3913 | struct omap_overlay_manager *mgr; | ||
| 3914 | |||
| 3915 | mgr = omap_dss_get_overlay_manager(i); | ||
| 3916 | dss_mgr_disable(mgr); | ||
| 3917 | } | ||
| 3918 | } | ||
| 3919 | |||
| 3920 | spin_lock_irqsave(&dispc.irq_lock, flags); | ||
| 3921 | dispc.irq_error_mask |= errors; | ||
| 3922 | _omap_dispc_set_irqs(); | ||
| 3923 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | ||
| 3924 | |||
| 3925 | dispc_runtime_put(); | ||
| 3926 | } | ||
| 3927 | |||
| 3928 | int omap_dispc_wait_for_irq_timeout(u32 irqmask, unsigned long timeout) | ||
| 3929 | { | ||
| 3930 | void dispc_irq_wait_handler(void *data, u32 mask) | ||
| 3931 | { | ||
| 3932 | complete((struct completion *)data); | ||
| 3933 | } | ||
| 3934 | |||
| 3935 | int r; | ||
| 3936 | DECLARE_COMPLETION_ONSTACK(completion); | ||
| 3937 | |||
| 3938 | r = omap_dispc_register_isr(dispc_irq_wait_handler, &completion, | ||
| 3939 | irqmask); | ||
| 3940 | |||
| 3941 | if (r) | ||
| 3942 | return r; | ||
| 3943 | |||
| 3944 | timeout = wait_for_completion_timeout(&completion, timeout); | ||
| 3945 | |||
| 3946 | omap_dispc_unregister_isr(dispc_irq_wait_handler, &completion, irqmask); | ||
| 3947 | |||
| 3948 | if (timeout == 0) | ||
| 3949 | return -ETIMEDOUT; | ||
| 3950 | |||
| 3951 | return 0; | ||
| 3952 | } | ||
| 3953 | |||
| 3954 | int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask, | ||
| 3955 | unsigned long timeout) | ||
| 3956 | { | ||
| 3957 | void dispc_irq_wait_handler(void *data, u32 mask) | ||
| 3958 | { | ||
| 3959 | complete((struct completion *)data); | ||
| 3960 | } | ||
| 3961 | |||
| 3962 | int r; | ||
| 3963 | DECLARE_COMPLETION_ONSTACK(completion); | ||
| 3964 | |||
| 3965 | r = omap_dispc_register_isr(dispc_irq_wait_handler, &completion, | ||
| 3966 | irqmask); | ||
| 3967 | |||
| 3968 | if (r) | ||
| 3969 | return r; | ||
| 3970 | |||
| 3971 | timeout = wait_for_completion_interruptible_timeout(&completion, | ||
| 3972 | timeout); | ||
| 3973 | |||
| 3974 | omap_dispc_unregister_isr(dispc_irq_wait_handler, &completion, irqmask); | ||
| 3975 | |||
| 3976 | if (timeout == 0) | ||
| 3977 | return -ETIMEDOUT; | ||
| 3978 | |||
| 3979 | if (timeout == -ERESTARTSYS) | ||
| 3980 | return -ERESTARTSYS; | ||
| 3981 | |||
| 3982 | return 0; | ||
| 3983 | } | ||
| 3984 | |||
| 3985 | static void _omap_dispc_initialize_irq(void) | ||
| 3986 | { | ||
| 3987 | unsigned long flags; | ||
| 3988 | |||
| 3989 | spin_lock_irqsave(&dispc.irq_lock, flags); | ||
| 3990 | |||
| 3991 | memset(dispc.registered_isr, 0, sizeof(dispc.registered_isr)); | ||
| 3992 | |||
| 3993 | dispc.irq_error_mask = DISPC_IRQ_MASK_ERROR; | ||
| 3994 | if (dss_has_feature(FEAT_MGR_LCD2)) | ||
| 3995 | dispc.irq_error_mask |= DISPC_IRQ_SYNC_LOST2; | ||
| 3996 | if (dss_has_feature(FEAT_MGR_LCD3)) | ||
| 3997 | dispc.irq_error_mask |= DISPC_IRQ_SYNC_LOST3; | ||
| 3998 | if (dss_feat_get_num_ovls() > 3) | ||
| 3999 | dispc.irq_error_mask |= DISPC_IRQ_VID3_FIFO_UNDERFLOW; | ||
| 4000 | |||
| 4001 | /* there's SYNC_LOST_DIGIT waiting after enabling the DSS, | ||
| 4002 | * so clear it */ | ||
| 4003 | dispc_clear_irqstatus(dispc_read_irqstatus()); | ||
| 4004 | |||
| 4005 | _omap_dispc_set_irqs(); | ||
| 4006 | |||
| 4007 | spin_unlock_irqrestore(&dispc.irq_lock, flags); | ||
| 4008 | } | ||
| 4009 | 3433 | ||
| 4010 | void dispc_enable_sidle(void) | 3434 | void dispc_enable_sidle(void) |
| 4011 | { | 3435 | { |
| @@ -4176,6 +3600,19 @@ static int __init dispc_init_features(struct platform_device *pdev) | |||
| 4176 | return 0; | 3600 | return 0; |
| 4177 | } | 3601 | } |
| 4178 | 3602 | ||
| 3603 | int dispc_request_irq(irq_handler_t handler, void *dev_id) | ||
| 3604 | { | ||
| 3605 | return devm_request_irq(&dispc.pdev->dev, dispc.irq, handler, | ||
| 3606 | IRQF_SHARED, "OMAP DISPC", dev_id); | ||
| 3607 | } | ||
| 3608 | EXPORT_SYMBOL(dispc_request_irq); | ||
| 3609 | |||
| 3610 | void dispc_free_irq(void *dev_id) | ||
| 3611 | { | ||
| 3612 | devm_free_irq(&dispc.pdev->dev, dispc.irq, dev_id); | ||
| 3613 | } | ||
| 3614 | EXPORT_SYMBOL(dispc_free_irq); | ||
| 3615 | |||
| 4179 | /* DISPC HW IP initialisation */ | 3616 | /* DISPC HW IP initialisation */ |
| 4180 | static int __init omap_dispchw_probe(struct platform_device *pdev) | 3617 | static int __init omap_dispchw_probe(struct platform_device *pdev) |
| 4181 | { | 3618 | { |
| @@ -4190,15 +3627,6 @@ static int __init omap_dispchw_probe(struct platform_device *pdev) | |||
| 4190 | if (r) | 3627 | if (r) |
| 4191 | return r; | 3628 | return r; |
| 4192 | 3629 | ||
| 4193 | spin_lock_init(&dispc.irq_lock); | ||
| 4194 | |||
| 4195 | #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS | ||
| 4196 | spin_lock_init(&dispc.irq_stats_lock); | ||
| 4197 | dispc.irq_stats.last_reset = jiffies; | ||
| 4198 | #endif | ||
| 4199 | |||
| 4200 | INIT_WORK(&dispc.error_work, dispc_error_worker); | ||
| 4201 | |||
| 4202 | dispc_mem = platform_get_resource(dispc.pdev, IORESOURCE_MEM, 0); | 3630 | dispc_mem = platform_get_resource(dispc.pdev, IORESOURCE_MEM, 0); |
| 4203 | if (!dispc_mem) { | 3631 | if (!dispc_mem) { |
| 4204 | DSSERR("can't get IORESOURCE_MEM DISPC\n"); | 3632 | DSSERR("can't get IORESOURCE_MEM DISPC\n"); |
| @@ -4218,13 +3646,6 @@ static int __init omap_dispchw_probe(struct platform_device *pdev) | |||
| 4218 | return -ENODEV; | 3646 | return -ENODEV; |
| 4219 | } | 3647 | } |
| 4220 | 3648 | ||
| 4221 | r = devm_request_irq(&pdev->dev, dispc.irq, omap_dispc_irq_handler, | ||
| 4222 | IRQF_SHARED, "OMAP DISPC", dispc.pdev); | ||
| 4223 | if (r < 0) { | ||
| 4224 | DSSERR("request_irq failed\n"); | ||
| 4225 | return r; | ||
| 4226 | } | ||
| 4227 | |||
| 4228 | clk = clk_get(&pdev->dev, "fck"); | 3649 | clk = clk_get(&pdev->dev, "fck"); |
| 4229 | if (IS_ERR(clk)) { | 3650 | if (IS_ERR(clk)) { |
| 4230 | DSSERR("can't get fck\n"); | 3651 | DSSERR("can't get fck\n"); |
| @@ -4242,8 +3663,6 @@ static int __init omap_dispchw_probe(struct platform_device *pdev) | |||
| 4242 | 3663 | ||
| 4243 | _omap_dispc_initial_config(); | 3664 | _omap_dispc_initial_config(); |
| 4244 | 3665 | ||
| 4245 | _omap_dispc_initialize_irq(); | ||
| 4246 | |||
| 4247 | rev = dispc_read_reg(DISPC_REVISION); | 3666 | rev = dispc_read_reg(DISPC_REVISION); |
| 4248 | dev_dbg(&pdev->dev, "OMAP DISPC rev %d.%d\n", | 3667 | dev_dbg(&pdev->dev, "OMAP DISPC rev %d.%d\n", |
| 4249 | FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0)); | 3668 | FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0)); |
| @@ -4252,9 +3671,6 @@ static int __init omap_dispchw_probe(struct platform_device *pdev) | |||
| 4252 | 3671 | ||
| 4253 | dss_debugfs_create_file("dispc", dispc_dump_regs); | 3672 | dss_debugfs_create_file("dispc", dispc_dump_regs); |
| 4254 | 3673 | ||
| 4255 | #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS | ||
| 4256 | dss_debugfs_create_file("dispc_irq", dispc_dump_irqs); | ||
| 4257 | #endif | ||
| 4258 | return 0; | 3674 | return 0; |
| 4259 | 3675 | ||
| 4260 | err_runtime_get: | 3676 | err_runtime_get: |
diff --git a/drivers/video/omap2/dss/display.c b/drivers/video/omap2/dss/display.c index 05f21b6231b7..0aa8ad8f9667 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, | |||
| 76 | } | 76 | } |
| 77 | EXPORT_SYMBOL(omapdss_default_get_timings); | 77 | EXPORT_SYMBOL(omapdss_default_get_timings); |
| 78 | 78 | ||
| 79 | int dss_init_device(struct platform_device *pdev, | ||
| 80 | struct omap_dss_device *dssdev) | ||
| 81 | { | ||
| 82 | int r; | ||
| 83 | |||
| 84 | r = display_init_sysfs(pdev, dssdev); | ||
| 85 | if (r) { | ||
| 86 | omapdss_output_unset_device(dssdev->output); | ||
| 87 | return r; | ||
| 88 | } | ||
| 89 | |||
| 90 | return 0; | ||
| 91 | } | ||
| 92 | |||
| 93 | void dss_uninit_device(struct platform_device *pdev, | ||
| 94 | struct omap_dss_device *dssdev) | ||
| 95 | { | ||
| 96 | display_uninit_sysfs(pdev, dssdev); | ||
| 97 | } | ||
| 98 | |||
| 99 | static int dss_suspend_device(struct device *dev, void *data) | 79 | static int dss_suspend_device(struct device *dev, void *data) |
| 100 | { | 80 | { |
| 101 | struct omap_dss_device *dssdev = to_dss_device(dev); | 81 | 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 d5bc47a4f3ee..6cbcc81991a1 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, | |||
| 315 | unsigned long pck; | 315 | unsigned long pck; |
| 316 | struct dispc_clock_info dispc_cinfo; | 316 | struct dispc_clock_info dispc_cinfo; |
| 317 | 317 | ||
| 318 | if (dss_mgr_check_timings(mgr, timings)) | 318 | if (mgr && !dispc_mgr_timings_ok(mgr->id, timings)) |
| 319 | return -EINVAL; | 319 | return -EINVAL; |
| 320 | 320 | ||
| 321 | if (timings->pixel_clock == 0) | 321 | if (timings->pixel_clock == 0) |
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c index db9663dcfbd0..28d41d16b7be 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) | |||
| 4535 | dsi_handle_framedone(dsi->pdev, -ETIMEDOUT); | 4535 | dsi_handle_framedone(dsi->pdev, -ETIMEDOUT); |
| 4536 | } | 4536 | } |
| 4537 | 4537 | ||
| 4538 | static void dsi_framedone_irq_callback(void *data, u32 mask) | 4538 | static void dsi_framedone_irq_callback(void *data) |
| 4539 | { | 4539 | { |
| 4540 | struct platform_device *dsidev = (struct platform_device *) data; | 4540 | struct platform_device *dsidev = (struct platform_device *) data; |
| 4541 | struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); | 4541 | struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); |
| @@ -4609,7 +4609,6 @@ static int dsi_display_init_dispc(struct omap_dss_device *dssdev) | |||
| 4609 | struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); | 4609 | struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); |
| 4610 | struct omap_overlay_manager *mgr = dssdev->output->manager; | 4610 | struct omap_overlay_manager *mgr = dssdev->output->manager; |
| 4611 | int r; | 4611 | int r; |
| 4612 | u32 irq = 0; | ||
| 4613 | 4612 | ||
| 4614 | if (dsi->mode == OMAP_DSS_DSI_CMD_MODE) { | 4613 | if (dsi->mode == OMAP_DSS_DSI_CMD_MODE) { |
| 4615 | dsi->timings.hsw = 1; | 4614 | dsi->timings.hsw = 1; |
| @@ -4619,12 +4618,10 @@ static int dsi_display_init_dispc(struct omap_dss_device *dssdev) | |||
| 4619 | dsi->timings.vfp = 0; | 4618 | dsi->timings.vfp = 0; |
| 4620 | dsi->timings.vbp = 0; | 4619 | dsi->timings.vbp = 0; |
| 4621 | 4620 | ||
| 4622 | irq = dispc_mgr_get_framedone_irq(mgr->id); | 4621 | r = dss_mgr_register_framedone_handler(mgr, |
| 4623 | 4622 | dsi_framedone_irq_callback, dsidev); | |
| 4624 | r = omap_dispc_register_isr(dsi_framedone_irq_callback, | ||
| 4625 | (void *) dsidev, irq); | ||
| 4626 | if (r) { | 4623 | if (r) { |
| 4627 | DSSERR("can't get FRAMEDONE irq\n"); | 4624 | DSSERR("can't register FRAMEDONE handler\n"); |
| 4628 | goto err; | 4625 | goto err; |
| 4629 | } | 4626 | } |
| 4630 | 4627 | ||
| @@ -4662,8 +4659,8 @@ static int dsi_display_init_dispc(struct omap_dss_device *dssdev) | |||
| 4662 | return 0; | 4659 | return 0; |
| 4663 | err1: | 4660 | err1: |
| 4664 | if (dsi->mode == OMAP_DSS_DSI_CMD_MODE) | 4661 | if (dsi->mode == OMAP_DSS_DSI_CMD_MODE) |
| 4665 | omap_dispc_unregister_isr(dsi_framedone_irq_callback, | 4662 | dss_mgr_unregister_framedone_handler(mgr, |
| 4666 | (void *) dsidev, irq); | 4663 | dsi_framedone_irq_callback, dsidev); |
| 4667 | err: | 4664 | err: |
| 4668 | return r; | 4665 | return r; |
| 4669 | } | 4666 | } |
| @@ -4674,14 +4671,9 @@ static void dsi_display_uninit_dispc(struct omap_dss_device *dssdev) | |||
| 4674 | struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); | 4671 | struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); |
| 4675 | struct omap_overlay_manager *mgr = dssdev->output->manager; | 4672 | struct omap_overlay_manager *mgr = dssdev->output->manager; |
| 4676 | 4673 | ||
| 4677 | if (dsi->mode == OMAP_DSS_DSI_CMD_MODE) { | 4674 | if (dsi->mode == OMAP_DSS_DSI_CMD_MODE) |
| 4678 | u32 irq; | 4675 | dss_mgr_unregister_framedone_handler(mgr, |
| 4679 | 4676 | dsi_framedone_irq_callback, dsidev); | |
| 4680 | irq = dispc_mgr_get_framedone_irq(mgr->id); | ||
| 4681 | |||
| 4682 | omap_dispc_unregister_isr(dsi_framedone_irq_callback, | ||
| 4683 | (void *) dsidev, irq); | ||
| 4684 | } | ||
| 4685 | } | 4677 | } |
| 4686 | 4678 | ||
| 4687 | static int dsi_configure_dsi_clocks(struct omap_dss_device *dssdev) | 4679 | 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 bdf843135661..ebe9e08b2a91 100644 --- a/drivers/video/omap2/dss/dss.h +++ b/drivers/video/omap2/dss/dss.h | |||
| @@ -23,6 +23,8 @@ | |||
| 23 | #ifndef __OMAP2_DSS_H | 23 | #ifndef __OMAP2_DSS_H |
| 24 | #define __OMAP2_DSS_H | 24 | #define __OMAP2_DSS_H |
| 25 | 25 | ||
| 26 | #include <linux/interrupt.h> | ||
| 27 | |||
| 26 | #ifdef pr_fmt | 28 | #ifdef pr_fmt |
| 27 | #undef pr_fmt | 29 | #undef pr_fmt |
| 28 | #endif | 30 | #endif |
| @@ -177,38 +179,6 @@ void dss_put_device(struct omap_dss_device *dssdev); | |||
| 177 | void dss_copy_device_pdata(struct omap_dss_device *dst, | 179 | void dss_copy_device_pdata(struct omap_dss_device *dst, |
| 178 | const struct omap_dss_device *src); | 180 | const struct omap_dss_device *src); |
| 179 | 181 | ||
| 180 | /* apply */ | ||
| 181 | void dss_apply_init(void); | ||
| 182 | int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr); | ||
| 183 | int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl); | ||
| 184 | void dss_mgr_start_update(struct omap_overlay_manager *mgr); | ||
| 185 | int omap_dss_mgr_apply(struct omap_overlay_manager *mgr); | ||
| 186 | |||
| 187 | int dss_mgr_enable(struct omap_overlay_manager *mgr); | ||
| 188 | void dss_mgr_disable(struct omap_overlay_manager *mgr); | ||
| 189 | int dss_mgr_set_info(struct omap_overlay_manager *mgr, | ||
| 190 | struct omap_overlay_manager_info *info); | ||
| 191 | void dss_mgr_get_info(struct omap_overlay_manager *mgr, | ||
| 192 | struct omap_overlay_manager_info *info); | ||
| 193 | int dss_mgr_set_output(struct omap_overlay_manager *mgr, | ||
| 194 | struct omap_dss_output *output); | ||
| 195 | int dss_mgr_unset_output(struct omap_overlay_manager *mgr); | ||
| 196 | void dss_mgr_set_timings(struct omap_overlay_manager *mgr, | ||
| 197 | const struct omap_video_timings *timings); | ||
| 198 | void dss_mgr_set_lcd_config(struct omap_overlay_manager *mgr, | ||
| 199 | const struct dss_lcd_mgr_config *config); | ||
| 200 | |||
| 201 | bool dss_ovl_is_enabled(struct omap_overlay *ovl); | ||
| 202 | int dss_ovl_enable(struct omap_overlay *ovl); | ||
| 203 | int dss_ovl_disable(struct omap_overlay *ovl); | ||
| 204 | int dss_ovl_set_info(struct omap_overlay *ovl, | ||
| 205 | struct omap_overlay_info *info); | ||
| 206 | void dss_ovl_get_info(struct omap_overlay *ovl, | ||
| 207 | struct omap_overlay_info *info); | ||
| 208 | int dss_ovl_set_manager(struct omap_overlay *ovl, | ||
| 209 | struct omap_overlay_manager *mgr); | ||
| 210 | int dss_ovl_unset_manager(struct omap_overlay *ovl); | ||
| 211 | |||
| 212 | /* output */ | 182 | /* output */ |
| 213 | void dss_register_output(struct omap_dss_output *out); | 183 | void dss_register_output(struct omap_dss_output *out); |
| 214 | void dss_unregister_output(struct omap_dss_output *out); | 184 | void dss_unregister_output(struct omap_dss_output *out); |
| @@ -218,11 +188,6 @@ int dss_suspend_all_devices(void); | |||
| 218 | int dss_resume_all_devices(void); | 188 | int dss_resume_all_devices(void); |
| 219 | void dss_disable_all_devices(void); | 189 | void dss_disable_all_devices(void); |
| 220 | 190 | ||
| 221 | int dss_init_device(struct platform_device *pdev, | ||
| 222 | struct omap_dss_device *dssdev); | ||
| 223 | void dss_uninit_device(struct platform_device *pdev, | ||
| 224 | struct omap_dss_device *dssdev); | ||
| 225 | |||
| 226 | int display_init_sysfs(struct platform_device *pdev, | 191 | int display_init_sysfs(struct platform_device *pdev, |
| 227 | struct omap_dss_device *dssdev); | 192 | struct omap_dss_device *dssdev); |
| 228 | void display_uninit_sysfs(struct platform_device *pdev, | 193 | void display_uninit_sysfs(struct platform_device *pdev, |
| @@ -400,13 +365,6 @@ void dpi_uninit_platform_driver(void) __exit; | |||
| 400 | int dispc_init_platform_driver(void) __init; | 365 | int dispc_init_platform_driver(void) __init; |
| 401 | void dispc_uninit_platform_driver(void) __exit; | 366 | void dispc_uninit_platform_driver(void) __exit; |
| 402 | void dispc_dump_clocks(struct seq_file *s); | 367 | void dispc_dump_clocks(struct seq_file *s); |
| 403 | u32 dispc_read_irqstatus(void); | ||
| 404 | void dispc_clear_irqstatus(u32 mask); | ||
| 405 | u32 dispc_read_irqenable(void); | ||
| 406 | void dispc_write_irqenable(u32 mask); | ||
| 407 | |||
| 408 | int dispc_runtime_get(void); | ||
| 409 | void dispc_runtime_put(void); | ||
| 410 | 368 | ||
| 411 | void dispc_enable_sidle(void); | 369 | void dispc_enable_sidle(void); |
| 412 | void dispc_disable_sidle(void); | 370 | void dispc_disable_sidle(void); |
| @@ -430,27 +388,7 @@ void dispc_ovl_set_fifo_threshold(enum omap_plane plane, u32 low, u32 high); | |||
| 430 | void dispc_ovl_compute_fifo_thresholds(enum omap_plane plane, | 388 | void dispc_ovl_compute_fifo_thresholds(enum omap_plane plane, |
| 431 | u32 *fifo_low, u32 *fifo_high, bool use_fifomerge, | 389 | u32 *fifo_low, u32 *fifo_high, bool use_fifomerge, |
| 432 | bool manual_update); | 390 | bool manual_update); |
| 433 | int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi, | 391 | |
| 434 | bool replication, const struct omap_video_timings *mgr_timings, | ||
| 435 | bool mem_to_mem); | ||
| 436 | int dispc_ovl_enable(enum omap_plane plane, bool enable); | ||
| 437 | bool dispc_ovl_enabled(enum omap_plane plane); | ||
| 438 | void dispc_ovl_set_channel_out(enum omap_plane plane, | ||
| 439 | enum omap_channel channel); | ||
| 440 | |||
| 441 | u32 dispc_mgr_get_vsync_irq(enum omap_channel channel); | ||
| 442 | u32 dispc_mgr_get_framedone_irq(enum omap_channel channel); | ||
| 443 | u32 dispc_mgr_get_sync_lost_irq(enum omap_channel channel); | ||
| 444 | bool dispc_mgr_go_busy(enum omap_channel channel); | ||
| 445 | void dispc_mgr_go(enum omap_channel channel); | ||
| 446 | void dispc_mgr_enable(enum omap_channel channel, bool enable); | ||
| 447 | bool dispc_mgr_is_enabled(enum omap_channel channel); | ||
| 448 | void dispc_mgr_enable_sync(enum omap_channel channel); | ||
| 449 | void dispc_mgr_disable_sync(enum omap_channel channel); | ||
| 450 | void dispc_mgr_set_lcd_config(enum omap_channel channel, | ||
| 451 | const struct dss_lcd_mgr_config *config); | ||
| 452 | void dispc_mgr_set_timings(enum omap_channel channel, | ||
| 453 | const struct omap_video_timings *timings); | ||
| 454 | unsigned long dispc_mgr_lclk_rate(enum omap_channel channel); | 392 | unsigned long dispc_mgr_lclk_rate(enum omap_channel channel); |
| 455 | unsigned long dispc_mgr_pclk_rate(enum omap_channel channel); | 393 | unsigned long dispc_mgr_pclk_rate(enum omap_channel channel); |
| 456 | unsigned long dispc_core_clk_rate(void); | 394 | unsigned long dispc_core_clk_rate(void); |
| @@ -458,8 +396,6 @@ void dispc_mgr_set_clock_div(enum omap_channel channel, | |||
| 458 | const struct dispc_clock_info *cinfo); | 396 | const struct dispc_clock_info *cinfo); |
| 459 | int dispc_mgr_get_clock_div(enum omap_channel channel, | 397 | int dispc_mgr_get_clock_div(enum omap_channel channel, |
| 460 | struct dispc_clock_info *cinfo); | 398 | struct dispc_clock_info *cinfo); |
| 461 | void dispc_mgr_setup(enum omap_channel channel, | ||
| 462 | const struct omap_overlay_manager_info *info); | ||
| 463 | 399 | ||
| 464 | u32 dispc_wb_get_framedone_irq(void); | 400 | u32 dispc_wb_get_framedone_irq(void); |
| 465 | bool dispc_wb_go_busy(void); | 401 | 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 1d125c6bfd19..18688c12e30d 100644 --- a/drivers/video/omap2/dss/dss_features.c +++ b/drivers/video/omap2/dss/dss_features.c | |||
| @@ -18,6 +18,7 @@ | |||
| 18 | */ | 18 | */ |
| 19 | 19 | ||
| 20 | #include <linux/kernel.h> | 20 | #include <linux/kernel.h> |
| 21 | #include <linux/module.h> | ||
| 21 | #include <linux/types.h> | 22 | #include <linux/types.h> |
| 22 | #include <linux/err.h> | 23 | #include <linux/err.h> |
| 23 | #include <linux/slab.h> | 24 | #include <linux/slab.h> |
| @@ -839,11 +840,13 @@ int dss_feat_get_num_mgrs(void) | |||
| 839 | { | 840 | { |
| 840 | return omap_current_dss_features->num_mgrs; | 841 | return omap_current_dss_features->num_mgrs; |
| 841 | } | 842 | } |
| 843 | EXPORT_SYMBOL(dss_feat_get_num_mgrs); | ||
| 842 | 844 | ||
| 843 | int dss_feat_get_num_ovls(void) | 845 | int dss_feat_get_num_ovls(void) |
| 844 | { | 846 | { |
| 845 | return omap_current_dss_features->num_ovls; | 847 | return omap_current_dss_features->num_ovls; |
| 846 | } | 848 | } |
| 849 | EXPORT_SYMBOL(dss_feat_get_num_ovls); | ||
| 847 | 850 | ||
| 848 | int dss_feat_get_num_wbs(void) | 851 | int dss_feat_get_num_wbs(void) |
| 849 | { | 852 | { |
| @@ -864,16 +867,19 @@ enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel | |||
| 864 | { | 867 | { |
| 865 | return omap_current_dss_features->supported_displays[channel]; | 868 | return omap_current_dss_features->supported_displays[channel]; |
| 866 | } | 869 | } |
| 870 | EXPORT_SYMBOL(dss_feat_get_supported_displays); | ||
| 867 | 871 | ||
| 868 | enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel) | 872 | enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel) |
| 869 | { | 873 | { |
| 870 | return omap_current_dss_features->supported_outputs[channel]; | 874 | return omap_current_dss_features->supported_outputs[channel]; |
| 871 | } | 875 | } |
| 876 | EXPORT_SYMBOL(dss_feat_get_supported_outputs); | ||
| 872 | 877 | ||
| 873 | enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane) | 878 | enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane) |
| 874 | { | 879 | { |
| 875 | return omap_current_dss_features->supported_color_modes[plane]; | 880 | return omap_current_dss_features->supported_color_modes[plane]; |
| 876 | } | 881 | } |
| 882 | EXPORT_SYMBOL(dss_feat_get_supported_color_modes); | ||
| 877 | 883 | ||
| 878 | enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane) | 884 | enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane) |
| 879 | { | 885 | { |
diff --git a/drivers/video/omap2/dss/dss_features.h b/drivers/video/omap2/dss/dss_features.h index 385b0afe63c2..489b9bec4a6d 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 { | |||
| 101 | }; | 101 | }; |
| 102 | 102 | ||
| 103 | /* DSS Feature Functions */ | 103 | /* DSS Feature Functions */ |
| 104 | int dss_feat_get_num_mgrs(void); | ||
| 105 | int dss_feat_get_num_ovls(void); | ||
| 106 | int dss_feat_get_num_wbs(void); | 104 | int dss_feat_get_num_wbs(void); |
| 107 | unsigned long dss_feat_get_param_min(enum dss_range_param param); | 105 | unsigned long dss_feat_get_param_min(enum dss_range_param param); |
| 108 | unsigned long dss_feat_get_param_max(enum dss_range_param param); | 106 | unsigned long dss_feat_get_param_max(enum dss_range_param param); |
| 109 | enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel); | ||
| 110 | enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel); | ||
| 111 | enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane); | ||
| 112 | enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane); | 107 | enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane); |
| 113 | bool dss_feat_color_mode_supported(enum omap_plane plane, | 108 | bool dss_feat_color_mode_supported(enum omap_plane plane, |
| 114 | enum omap_color_mode color_mode); | 109 | enum omap_color_mode color_mode); |
diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c index c54d2f620ce3..2551eaa14c42 100644 --- a/drivers/video/omap2/dss/manager.c +++ b/drivers/video/omap2/dss/manager.c | |||
| @@ -36,36 +36,6 @@ | |||
| 36 | static int num_managers; | 36 | static int num_managers; |
| 37 | static struct omap_overlay_manager *managers; | 37 | static struct omap_overlay_manager *managers; |
| 38 | 38 | ||
| 39 | static inline struct omap_dss_device *dss_mgr_get_device(struct omap_overlay_manager *mgr) | ||
| 40 | { | ||
| 41 | return mgr->output ? mgr->output->device : NULL; | ||
| 42 | } | ||
| 43 | |||
| 44 | static int dss_mgr_wait_for_vsync(struct omap_overlay_manager *mgr) | ||
| 45 | { | ||
| 46 | unsigned long timeout = msecs_to_jiffies(500); | ||
| 47 | struct omap_dss_device *dssdev = mgr->get_device(mgr); | ||
| 48 | u32 irq; | ||
| 49 | int r; | ||
| 50 | |||
| 51 | r = dispc_runtime_get(); | ||
| 52 | if (r) | ||
| 53 | return r; | ||
| 54 | |||
| 55 | if (dssdev->type == OMAP_DISPLAY_TYPE_VENC) | ||
| 56 | irq = DISPC_IRQ_EVSYNC_ODD; | ||
| 57 | else if (dssdev->type == OMAP_DISPLAY_TYPE_HDMI) | ||
| 58 | irq = DISPC_IRQ_EVSYNC_EVEN; | ||
| 59 | else | ||
| 60 | irq = dispc_mgr_get_vsync_irq(mgr->id); | ||
| 61 | |||
| 62 | r = omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout); | ||
| 63 | |||
| 64 | dispc_runtime_put(); | ||
| 65 | |||
| 66 | return r; | ||
| 67 | } | ||
| 68 | |||
| 69 | int dss_init_overlay_managers(struct platform_device *pdev) | 39 | int dss_init_overlay_managers(struct platform_device *pdev) |
| 70 | { | 40 | { |
| 71 | int i, r; | 41 | int i, r; |
| @@ -99,15 +69,6 @@ int dss_init_overlay_managers(struct platform_device *pdev) | |||
| 99 | break; | 69 | break; |
| 100 | } | 70 | } |
| 101 | 71 | ||
| 102 | mgr->set_output = &dss_mgr_set_output; | ||
| 103 | mgr->unset_output = &dss_mgr_unset_output; | ||
| 104 | mgr->apply = &omap_dss_mgr_apply; | ||
| 105 | mgr->set_manager_info = &dss_mgr_set_info; | ||
| 106 | mgr->get_manager_info = &dss_mgr_get_info; | ||
| 107 | mgr->wait_for_go = &dss_mgr_wait_for_go; | ||
| 108 | mgr->wait_for_vsync = &dss_mgr_wait_for_vsync; | ||
| 109 | mgr->get_device = &dss_mgr_get_device; | ||
| 110 | |||
| 111 | mgr->caps = 0; | 72 | mgr->caps = 0; |
| 112 | mgr->supported_displays = | 73 | mgr->supported_displays = |
| 113 | dss_feat_get_supported_displays(mgr->id); | 74 | dss_feat_get_supported_displays(mgr->id); |
diff --git a/drivers/video/omap2/dss/output.c b/drivers/video/omap2/dss/output.c index 1a84b79d5580..79dea1a1a732 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) | |||
| 113 | 113 | ||
| 114 | return NULL; | 114 | return NULL; |
| 115 | } | 115 | } |
| 116 | |||
| 117 | static const struct dss_mgr_ops *dss_mgr_ops; | ||
| 118 | |||
| 119 | int dss_install_mgr_ops(const struct dss_mgr_ops *mgr_ops) | ||
| 120 | { | ||
| 121 | if (dss_mgr_ops) | ||
| 122 | return -EBUSY; | ||
| 123 | |||
| 124 | dss_mgr_ops = mgr_ops; | ||
| 125 | |||
| 126 | return 0; | ||
| 127 | } | ||
| 128 | EXPORT_SYMBOL(dss_install_mgr_ops); | ||
| 129 | |||
| 130 | void dss_uninstall_mgr_ops(void) | ||
| 131 | { | ||
| 132 | dss_mgr_ops = NULL; | ||
| 133 | } | ||
| 134 | EXPORT_SYMBOL(dss_uninstall_mgr_ops); | ||
| 135 | |||
| 136 | void dss_mgr_set_timings(struct omap_overlay_manager *mgr, | ||
| 137 | const struct omap_video_timings *timings) | ||
| 138 | { | ||
| 139 | dss_mgr_ops->set_timings(mgr, timings); | ||
| 140 | } | ||
| 141 | EXPORT_SYMBOL(dss_mgr_set_timings); | ||
| 142 | |||
| 143 | void dss_mgr_set_lcd_config(struct omap_overlay_manager *mgr, | ||
| 144 | const struct dss_lcd_mgr_config *config) | ||
| 145 | { | ||
| 146 | dss_mgr_ops->set_lcd_config(mgr, config); | ||
| 147 | } | ||
| 148 | EXPORT_SYMBOL(dss_mgr_set_lcd_config); | ||
| 149 | |||
| 150 | int dss_mgr_enable(struct omap_overlay_manager *mgr) | ||
| 151 | { | ||
| 152 | return dss_mgr_ops->enable(mgr); | ||
| 153 | } | ||
| 154 | EXPORT_SYMBOL(dss_mgr_enable); | ||
| 155 | |||
| 156 | void dss_mgr_disable(struct omap_overlay_manager *mgr) | ||
| 157 | { | ||
| 158 | dss_mgr_ops->disable(mgr); | ||
| 159 | } | ||
| 160 | EXPORT_SYMBOL(dss_mgr_disable); | ||
| 161 | |||
| 162 | void dss_mgr_start_update(struct omap_overlay_manager *mgr) | ||
| 163 | { | ||
| 164 | dss_mgr_ops->start_update(mgr); | ||
| 165 | } | ||
| 166 | EXPORT_SYMBOL(dss_mgr_start_update); | ||
| 167 | |||
| 168 | int dss_mgr_register_framedone_handler(struct omap_overlay_manager *mgr, | ||
| 169 | void (*handler)(void *), void *data) | ||
| 170 | { | ||
| 171 | return dss_mgr_ops->register_framedone_handler(mgr, handler, data); | ||
| 172 | } | ||
| 173 | EXPORT_SYMBOL(dss_mgr_register_framedone_handler); | ||
| 174 | |||
| 175 | void dss_mgr_unregister_framedone_handler(struct omap_overlay_manager *mgr, | ||
| 176 | void (*handler)(void *), void *data) | ||
| 177 | { | ||
| 178 | dss_mgr_ops->unregister_framedone_handler(mgr, handler, data); | ||
| 179 | } | ||
| 180 | EXPORT_SYMBOL(dss_mgr_unregister_framedone_handler); | ||
diff --git a/drivers/video/omap2/dss/overlay.c b/drivers/video/omap2/dss/overlay.c index 45f4994bc6b0..eccde322c28a 100644 --- a/drivers/video/omap2/dss/overlay.c +++ b/drivers/video/omap2/dss/overlay.c | |||
| @@ -38,13 +38,6 @@ | |||
| 38 | static int num_overlays; | 38 | static int num_overlays; |
| 39 | static struct omap_overlay *overlays; | 39 | static struct omap_overlay *overlays; |
| 40 | 40 | ||
| 41 | static inline struct omap_dss_device *dss_ovl_get_device(struct omap_overlay *ovl) | ||
| 42 | { | ||
| 43 | return ovl->manager ? | ||
| 44 | (ovl->manager->output ? ovl->manager->output->device : NULL) : | ||
| 45 | NULL; | ||
| 46 | } | ||
| 47 | |||
| 48 | int omap_dss_get_num_overlays(void) | 41 | int omap_dss_get_num_overlays(void) |
| 49 | { | 42 | { |
| 50 | return num_overlays; | 43 | return num_overlays; |
| @@ -93,16 +86,6 @@ void dss_init_overlays(struct platform_device *pdev) | |||
| 93 | break; | 86 | break; |
| 94 | } | 87 | } |
| 95 | 88 | ||
| 96 | ovl->is_enabled = &dss_ovl_is_enabled; | ||
| 97 | ovl->enable = &dss_ovl_enable; | ||
| 98 | ovl->disable = &dss_ovl_disable; | ||
| 99 | ovl->set_manager = &dss_ovl_set_manager; | ||
| 100 | ovl->unset_manager = &dss_ovl_unset_manager; | ||
| 101 | ovl->set_overlay_info = &dss_ovl_set_info; | ||
| 102 | ovl->get_overlay_info = &dss_ovl_get_info; | ||
| 103 | ovl->wait_for_go = &dss_mgr_wait_for_go_ovl; | ||
| 104 | ovl->get_device = &dss_ovl_get_device; | ||
| 105 | |||
| 106 | ovl->caps = dss_feat_get_overlay_caps(ovl->id); | 89 | ovl->caps = dss_feat_get_overlay_caps(ovl->id); |
| 107 | ovl->supported_modes = | 90 | ovl->supported_modes = |
| 108 | dss_feat_get_supported_color_modes(ovl->id); | 91 | 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 ec9fde52716c..e903dd3f54d9 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, | |||
| 342 | return 0; | 342 | return 0; |
| 343 | } | 343 | } |
| 344 | 344 | ||
| 345 | static void framedone_callback(void *data, u32 mask) | 345 | static void framedone_callback(void *data) |
| 346 | { | 346 | { |
| 347 | void (*callback)(void *data); | 347 | void (*callback)(void *data); |
| 348 | 348 | ||
| @@ -908,8 +908,8 @@ int omapdss_rfbi_display_enable(struct omap_dss_device *dssdev) | |||
| 908 | goto err0; | 908 | goto err0; |
| 909 | } | 909 | } |
| 910 | 910 | ||
| 911 | r = omap_dispc_register_isr(framedone_callback, NULL, | 911 | r = dss_mgr_register_framedone_handler(out->manager, |
| 912 | DISPC_IRQ_FRAMEDONE); | 912 | framedone_callback, NULL); |
| 913 | if (r) { | 913 | if (r) { |
| 914 | DSSERR("can't get FRAMEDONE irq\n"); | 914 | DSSERR("can't get FRAMEDONE irq\n"); |
| 915 | goto err1; | 915 | goto err1; |
| @@ -933,8 +933,10 @@ EXPORT_SYMBOL(omapdss_rfbi_display_enable); | |||
| 933 | 933 | ||
| 934 | void omapdss_rfbi_display_disable(struct omap_dss_device *dssdev) | 934 | void omapdss_rfbi_display_disable(struct omap_dss_device *dssdev) |
| 935 | { | 935 | { |
| 936 | omap_dispc_unregister_isr(framedone_callback, NULL, | 936 | struct omap_dss_output *out = dssdev->output; |
| 937 | DISPC_IRQ_FRAMEDONE); | 937 | |
| 938 | dss_mgr_unregister_framedone_handler(out->manager, | ||
| 939 | framedone_callback, NULL); | ||
| 938 | omap_dss_stop_device(dssdev); | 940 | omap_dss_stop_device(dssdev); |
| 939 | 941 | ||
| 940 | rfbi_runtime_put(); | 942 | rfbi_runtime_put(); |
diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c index 1f60741a7886..4fa9487a8720 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) | |||
| 2425 | "ignoring the module parameter vrfb=y\n"); | 2425 | "ignoring the module parameter vrfb=y\n"); |
| 2426 | } | 2426 | } |
| 2427 | 2427 | ||
| 2428 | r = omapdss_compat_init(); | ||
| 2429 | if (r) | ||
| 2430 | goto err0; | ||
| 2428 | 2431 | ||
| 2429 | mutex_init(&fbdev->mtx); | 2432 | mutex_init(&fbdev->mtx); |
| 2430 | 2433 | ||
| @@ -2544,6 +2547,7 @@ static int __init omapfb_probe(struct platform_device *pdev) | |||
| 2544 | 2547 | ||
| 2545 | cleanup: | 2548 | cleanup: |
| 2546 | omapfb_free_resources(fbdev); | 2549 | omapfb_free_resources(fbdev); |
| 2550 | omapdss_compat_uninit(); | ||
| 2547 | err0: | 2551 | err0: |
| 2548 | dev_err(&pdev->dev, "failed to setup omapfb\n"); | 2552 | dev_err(&pdev->dev, "failed to setup omapfb\n"); |
| 2549 | return r; | 2553 | return r; |
| @@ -2559,6 +2563,8 @@ static int __exit omapfb_remove(struct platform_device *pdev) | |||
| 2559 | 2563 | ||
| 2560 | omapfb_free_resources(fbdev); | 2564 | omapfb_free_resources(fbdev); |
| 2561 | 2565 | ||
| 2566 | omapdss_compat_uninit(); | ||
| 2567 | |||
| 2562 | return 0; | 2568 | return 0; |
| 2563 | } | 2569 | } |
| 2564 | 2570 | ||
