[PATCH 41/42] drm/omap: remove dss compat code

We have removed all the uses of compat code from omapdrm and the non-compat parts of omapdss, so now we can remove all the compat code itself.

Signed-off-by: Tomi Valkeinen tomi.valkeinen@ti.com --- drivers/gpu/drm/omapdrm/dss/Makefile | 3 - drivers/gpu/drm/omapdrm/dss/apply.c | 1711 --------------------------- drivers/gpu/drm/omapdrm/dss/dispc-compat.c | 667 ----------- drivers/gpu/drm/omapdrm/dss/dispc-compat.h | 30 - drivers/gpu/drm/omapdrm/dss/dispc.c | 4 - drivers/gpu/drm/omapdrm/dss/display-sysfs.c | 356 ------ drivers/gpu/drm/omapdrm/dss/manager-sysfs.c | 531 --------- drivers/gpu/drm/omapdrm/dss/manager.c | 263 ---- drivers/gpu/drm/omapdrm/dss/overlay-sysfs.c | 456 ------- drivers/gpu/drm/omapdrm/dss/overlay.c | 202 ---- 10 files changed, 4223 deletions(-) delete mode 100644 drivers/gpu/drm/omapdrm/dss/apply.c delete mode 100644 drivers/gpu/drm/omapdrm/dss/dispc-compat.c delete mode 100644 drivers/gpu/drm/omapdrm/dss/dispc-compat.h delete mode 100644 drivers/gpu/drm/omapdrm/dss/display-sysfs.c delete mode 100644 drivers/gpu/drm/omapdrm/dss/manager-sysfs.c delete mode 100644 drivers/gpu/drm/omapdrm/dss/manager.c delete mode 100644 drivers/gpu/drm/omapdrm/dss/overlay-sysfs.c delete mode 100644 drivers/gpu/drm/omapdrm/dss/overlay.c

diff --git a/drivers/gpu/drm/omapdrm/dss/Makefile b/drivers/gpu/drm/omapdrm/dss/Makefile index b5136d3d4b77..b651ec9751e6 100644 --- a/drivers/gpu/drm/omapdrm/dss/Makefile +++ b/drivers/gpu/drm/omapdrm/dss/Makefile @@ -3,9 +3,6 @@ obj-$(CONFIG_OMAP2_DSS) += omapdss.o # Core DSS files omapdss-y := core.o dss.o dss_features.o dispc.o dispc_coefs.o display.o \ output.o dss-of.o pll.o video-pll.o -# DSS compat layer files -omapdss-y += manager.o manager-sysfs.o overlay.o overlay-sysfs.o apply.o \ - dispc-compat.o display-sysfs.o omapdss-$(CONFIG_OMAP2_DSS_DPI) += dpi.o omapdss-$(CONFIG_OMAP2_DSS_RFBI) += rfbi.o omapdss-$(CONFIG_OMAP2_DSS_VENC) += venc.o diff --git a/drivers/gpu/drm/omapdrm/dss/apply.c b/drivers/gpu/drm/omapdrm/dss/apply.c deleted file mode 100644 index 1b7c718c08b2..000000000000 --- a/drivers/gpu/drm/omapdrm/dss/apply.c +++ /dev/null @@ -1,1711 +0,0 @@ -/* - * Copyright (C) 2011 Texas Instruments - * Author: Tomi Valkeinen tomi.valkeinen@ti.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see http://www.gnu.org/licenses/. - */ - -#define DSS_SUBSYS_NAME "APPLY" - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/spinlock.h> -#include <linux/jiffies.h> - -#include <video/omapdss.h> - -#include "dss.h" -#include "dss_features.h" -#include "dispc-compat.h" - -/* - * We have 4 levels of cache for the dispc settings. First two are in SW and - * the latter two in HW. - * - * set_info() - * v - * +--------------------+ - * | user_info | - * +--------------------+ - * v - * apply() - * v - * +--------------------+ - * | info | - * +--------------------+ - * v - * write_regs() - * v - * +--------------------+ - * | shadow registers | - * +--------------------+ - * v - * VFP or lcd/digit_enable - * v - * +--------------------+ - * | registers | - * +--------------------+ - */ - -struct ovl_priv_data { - - bool user_info_dirty; - struct omap_overlay_info user_info; - - bool info_dirty; - struct omap_overlay_info info; - - bool shadow_info_dirty; - - bool extra_info_dirty; - bool shadow_extra_info_dirty; - - bool enabled; - u32 fifo_low, fifo_high; - - /* - * True if overlay is to be enabled. Used to check and calculate configs - * for the overlay before it is enabled in the HW. - */ - bool enabling; -}; - -struct mgr_priv_data { - - bool user_info_dirty; - struct omap_overlay_manager_info user_info; - - bool info_dirty; - struct omap_overlay_manager_info info; - - bool shadow_info_dirty; - - /* If true, GO bit is up and shadow registers cannot be written. - * Never true for manual update displays */ - bool busy; - - /* If true, dispc output is enabled */ - bool updating; - - /* If true, a display is enabled using this manager */ - bool enabled; - - bool extra_info_dirty; - bool shadow_extra_info_dirty; - - struct omap_video_timings timings; - struct dss_lcd_mgr_config lcd_config; - - void (*framedone_handler)(void *); - void *framedone_handler_data; -}; - -static struct { - struct ovl_priv_data ovl_priv_data_array[MAX_DSS_OVERLAYS]; - struct mgr_priv_data mgr_priv_data_array[MAX_DSS_MANAGERS]; - - bool irq_enabled; -} dss_data; - -/* protects dss_data */ -static spinlock_t data_lock; -/* lock for blocking functions */ -static DEFINE_MUTEX(apply_lock); -static DECLARE_COMPLETION(extra_updated_completion); - -static void dss_register_vsync_isr(void); - -static struct ovl_priv_data *get_ovl_priv(struct omap_overlay *ovl) -{ - return &dss_data.ovl_priv_data_array[ovl->id]; -} - -static struct mgr_priv_data *get_mgr_priv(struct omap_overlay_manager *mgr) -{ - return &dss_data.mgr_priv_data_array[mgr->id]; -} - -static void apply_init_priv(void) -{ - const int num_ovls = dss_feat_get_num_ovls(); - struct mgr_priv_data *mp; - int i; - - spin_lock_init(&data_lock); - - for (i = 0; i < num_ovls; ++i) { - struct ovl_priv_data *op; - - op = &dss_data.ovl_priv_data_array[i]; - - op->info.color_mode = OMAP_DSS_COLOR_RGB16; - op->info.rotation_type = OMAP_DSS_ROT_DMA; - - op->info.global_alpha = 255; - - switch (i) { - case 0: - op->info.zorder = 0; - break; - case 1: - op->info.zorder = - dss_has_feature(FEAT_ALPHA_FREE_ZORDER) ? 3 : 0; - break; - case 2: - op->info.zorder = - dss_has_feature(FEAT_ALPHA_FREE_ZORDER) ? 2 : 0; - break; - case 3: - op->info.zorder = - dss_has_feature(FEAT_ALPHA_FREE_ZORDER) ? 1 : 0; - break; - } - - op->user_info = op->info; - } - - /* - * Initialize some of the lcd_config fields for TV manager, this lets - * us prevent checking if the manager is LCD or TV at some places - */ - mp = &dss_data.mgr_priv_data_array[OMAP_DSS_CHANNEL_DIGIT]; - - mp->lcd_config.video_port_width = 24; - mp->lcd_config.clock_info.lck_div = 1; - mp->lcd_config.clock_info.pck_div = 1; -} - -/* - * A LCD manager's stallmode decides whether it is in manual or auto update. TV - * manager is always auto update, stallmode field for TV manager is false by - * default - */ -static bool ovl_manual_update(struct omap_overlay *ovl) -{ - struct mgr_priv_data *mp = get_mgr_priv(ovl->manager); - - return mp->lcd_config.stallmode; -} - -static bool mgr_manual_update(struct omap_overlay_manager *mgr) -{ - struct mgr_priv_data *mp = get_mgr_priv(mgr); - - return mp->lcd_config.stallmode; -} - -static int dss_check_settings_low(struct omap_overlay_manager *mgr, - bool applying) -{ - struct omap_overlay_info *oi; - struct omap_overlay_manager_info *mi; - struct omap_overlay *ovl; - struct omap_overlay_info *ois[MAX_DSS_OVERLAYS]; - struct ovl_priv_data *op; - struct mgr_priv_data *mp; - - mp = get_mgr_priv(mgr); - - if (!mp->enabled) - return 0; - - if (applying && mp->user_info_dirty) - mi = &mp->user_info; - else - mi = &mp->info; - - /* collect the infos to be tested into the array */ - list_for_each_entry(ovl, &mgr->overlays, list) { - op = get_ovl_priv(ovl); - - if (!op->enabled && !op->enabling) - oi = NULL; - else if (applying && op->user_info_dirty) - oi = &op->user_info; - else - oi = &op->info; - - ois[ovl->id] = oi; - } - - return dss_mgr_check(mgr, mi, &mp->timings, &mp->lcd_config, ois); -} - -/* - * check manager and overlay settings using overlay_info from data->info - */ -static int dss_check_settings(struct omap_overlay_manager *mgr) -{ - return dss_check_settings_low(mgr, false); -} - -/* - * check manager and overlay settings using overlay_info from ovl->info if - * dirty and from data->info otherwise - */ -static int dss_check_settings_apply(struct omap_overlay_manager *mgr) -{ - return dss_check_settings_low(mgr, true); -} - -static bool need_isr(void) -{ - const int num_mgrs = dss_feat_get_num_mgrs(); - int i; - - for (i = 0; i < num_mgrs; ++i) { - struct omap_overlay_manager *mgr; - struct mgr_priv_data *mp; - struct omap_overlay *ovl; - - mgr = omap_dss_get_overlay_manager(i); - mp = get_mgr_priv(mgr); - - if (!mp->enabled) - continue; - - if (mgr_manual_update(mgr)) { - /* to catch FRAMEDONE */ - if (mp->updating) - return true; - } else { - /* to catch GO bit going down */ - if (mp->busy) - return true; - - /* to write new values to registers */ - if (mp->info_dirty) - return true; - - /* to set GO bit */ - if (mp->shadow_info_dirty) - return true; - - /* - * NOTE: we don't check extra_info flags for disabled - * managers, once the manager is enabled, the extra_info - * related manager changes will be taken in by HW. - */ - - /* to write new values to registers */ - if (mp->extra_info_dirty) - return true; - - /* to set GO bit */ - if (mp->shadow_extra_info_dirty) - return true; - - list_for_each_entry(ovl, &mgr->overlays, list) { - struct ovl_priv_data *op; - - op = get_ovl_priv(ovl); - - /* - * NOTE: we check extra_info flags even for - * disabled overlays, as extra_infos need to be - * always written. - */ - - /* to write new values to registers */ - if (op->extra_info_dirty) - return true; - - /* to set GO bit */ - if (op->shadow_extra_info_dirty) - return true; - - if (!op->enabled) - continue; - - /* to write new values to registers */ - if (op->info_dirty) - return true; - - /* to set GO bit */ - if (op->shadow_info_dirty) - return true; - } - } - } - - return false; -} - -static bool need_go(struct omap_overlay_manager *mgr) -{ - struct omap_overlay *ovl; - struct mgr_priv_data *mp; - struct ovl_priv_data *op; - - mp = get_mgr_priv(mgr); - - if (mp->shadow_info_dirty || mp->shadow_extra_info_dirty) - return true; - - list_for_each_entry(ovl, &mgr->overlays, list) { - op = get_ovl_priv(ovl); - if (op->shadow_info_dirty || op->shadow_extra_info_dirty) - return true; - } - - return false; -} - -/* returns true if an extra_info field is currently being updated */ -static bool extra_info_update_ongoing(void) -{ - const int num_mgrs = dss_feat_get_num_mgrs(); - int i; - - for (i = 0; i < num_mgrs; ++i) { - struct omap_overlay_manager *mgr; - struct omap_overlay *ovl; - struct mgr_priv_data *mp; - - mgr = omap_dss_get_overlay_manager(i); - mp = get_mgr_priv(mgr); - - if (!mp->enabled) - continue; - - if (!mp->updating) - continue; - - if (mp->extra_info_dirty || mp->shadow_extra_info_dirty) - return true; - - list_for_each_entry(ovl, &mgr->overlays, list) { - struct ovl_priv_data *op = get_ovl_priv(ovl); - - if (op->extra_info_dirty || op->shadow_extra_info_dirty) - return true; - } - } - - return false; -} - -/* wait until no extra_info updates are pending */ -static void wait_pending_extra_info_updates(void) -{ - bool updating; - unsigned long flags; - unsigned long t; - int r; - - spin_lock_irqsave(&data_lock, flags); - - updating = extra_info_update_ongoing(); - - if (!updating) { - spin_unlock_irqrestore(&data_lock, flags); - return; - } - - init_completion(&extra_updated_completion); - - spin_unlock_irqrestore(&data_lock, flags); - - t = msecs_to_jiffies(500); - r = wait_for_completion_timeout(&extra_updated_completion, t); - if (r == 0) - DSSWARN("timeout in wait_pending_extra_info_updates\n"); -} - -static struct omap_dss_device *dss_mgr_get_device(struct omap_overlay_manager *mgr) -{ - struct omap_dss_device *dssdev; - - dssdev = mgr->output; - if (dssdev == NULL) - return NULL; - - while (dssdev->dst) - dssdev = dssdev->dst; - - if (dssdev->driver) - return dssdev; - else - return NULL; -} - -static struct omap_dss_device *dss_ovl_get_device(struct omap_overlay *ovl) -{ - return ovl->manager ? dss_mgr_get_device(ovl->manager) : NULL; -} - -static int dss_mgr_wait_for_vsync(struct omap_overlay_manager *mgr) -{ - unsigned long timeout = msecs_to_jiffies(500); - u32 irq; - int r; - - if (mgr->output == NULL) - return -ENODEV; - - r = dispc_runtime_get(); - if (r) - return r; - - switch (mgr->output->id) { - case OMAP_DSS_OUTPUT_VENC: - irq = DISPC_IRQ_EVSYNC_ODD; - break; - case OMAP_DSS_OUTPUT_HDMI: - irq = DISPC_IRQ_EVSYNC_EVEN; - break; - default: - irq = dispc_mgr_get_vsync_irq(mgr->id); - break; - } - - r = omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout); - - dispc_runtime_put(); - - return r; -} - -static int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr) -{ - unsigned long timeout = msecs_to_jiffies(500); - struct mgr_priv_data *mp = get_mgr_priv(mgr); - u32 irq; - unsigned long flags; - int r; - int i; - - spin_lock_irqsave(&data_lock, flags); - - if (mgr_manual_update(mgr)) { - spin_unlock_irqrestore(&data_lock, flags); - return 0; - } - - if (!mp->enabled) { - spin_unlock_irqrestore(&data_lock, flags); - return 0; - } - - spin_unlock_irqrestore(&data_lock, flags); - - r = dispc_runtime_get(); - if (r) - return r; - - irq = dispc_mgr_get_vsync_irq(mgr->id); - - i = 0; - while (1) { - bool shadow_dirty, dirty; - - spin_lock_irqsave(&data_lock, flags); - dirty = mp->info_dirty; - shadow_dirty = mp->shadow_info_dirty; - spin_unlock_irqrestore(&data_lock, flags); - - if (!dirty && !shadow_dirty) { - r = 0; - break; - } - - /* 4 iterations is the worst case: - * 1 - initial iteration, dirty = true (between VFP and VSYNC) - * 2 - first VSYNC, dirty = true - * 3 - dirty = false, shadow_dirty = true - * 4 - shadow_dirty = false */ - if (i++ == 3) { - DSSERR("mgr(%d)->wait_for_go() not finishing\n", - mgr->id); - r = 0; - break; - } - - r = omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout); - if (r == -ERESTARTSYS) - break; - - if (r) { - DSSERR("mgr(%d)->wait_for_go() timeout\n", mgr->id); - break; - } - } - - dispc_runtime_put(); - - return r; -} - -static int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl) -{ - unsigned long timeout = msecs_to_jiffies(500); - struct ovl_priv_data *op; - struct mgr_priv_data *mp; - u32 irq; - unsigned long flags; - int r; - int i; - - if (!ovl->manager) - return 0; - - mp = get_mgr_priv(ovl->manager); - - spin_lock_irqsave(&data_lock, flags); - - if (ovl_manual_update(ovl)) { - spin_unlock_irqrestore(&data_lock, flags); - return 0; - } - - if (!mp->enabled) { - spin_unlock_irqrestore(&data_lock, flags); - return 0; - } - - spin_unlock_irqrestore(&data_lock, flags); - - r = dispc_runtime_get(); - if (r) - return r; - - irq = dispc_mgr_get_vsync_irq(ovl->manager->id); - - op = get_ovl_priv(ovl); - i = 0; - while (1) { - bool shadow_dirty, dirty; - - spin_lock_irqsave(&data_lock, flags); - dirty = op->info_dirty; - shadow_dirty = op->shadow_info_dirty; - spin_unlock_irqrestore(&data_lock, flags); - - if (!dirty && !shadow_dirty) { - r = 0; - break; - } - - /* 4 iterations is the worst case: - * 1 - initial iteration, dirty = true (between VFP and VSYNC) - * 2 - first VSYNC, dirty = true - * 3 - dirty = false, shadow_dirty = true - * 4 - shadow_dirty = false */ - if (i++ == 3) { - DSSERR("ovl(%d)->wait_for_go() not finishing\n", - ovl->id); - r = 0; - break; - } - - r = omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout); - if (r == -ERESTARTSYS) - break; - - if (r) { - DSSERR("ovl(%d)->wait_for_go() timeout\n", ovl->id); - break; - } - } - - dispc_runtime_put(); - - return r; -} - -static void dss_ovl_write_regs(struct omap_overlay *ovl) -{ - struct ovl_priv_data *op = get_ovl_priv(ovl); - struct omap_overlay_info *oi; - bool replication; - struct mgr_priv_data *mp; - int r; - - DSSDBG("writing ovl %d regs\n", ovl->id); - - if (!op->enabled || !op->info_dirty) - return; - - oi = &op->info; - - mp = get_mgr_priv(ovl->manager); - - replication = dss_ovl_use_replication(mp->lcd_config, oi->color_mode); - - r = dispc_ovl_setup(ovl->id, oi, replication, &mp->timings, false); - if (r) { - /* - * We can't do much here, as this function can be called from - * vsync interrupt. - */ - DSSERR("dispc_ovl_setup failed for ovl %d\n", ovl->id); - - /* This will leave fifo configurations in a nonoptimal state */ - op->enabled = false; - dispc_ovl_enable(ovl->id, false); - return; - } - - op->info_dirty = false; - if (mp->updating) - op->shadow_info_dirty = true; -} - -static void dss_ovl_write_regs_extra(struct omap_overlay *ovl) -{ - struct ovl_priv_data *op = get_ovl_priv(ovl); - struct mgr_priv_data *mp; - - DSSDBG("writing ovl %d regs extra\n", ovl->id); - - if (!op->extra_info_dirty) - return; - - /* note: write also when op->enabled == false, so that the ovl gets - * disabled */ - - dispc_ovl_enable(ovl->id, op->enabled); - dispc_ovl_set_fifo_threshold(ovl->id, op->fifo_low, op->fifo_high); - - mp = get_mgr_priv(ovl->manager); - - op->extra_info_dirty = false; - if (mp->updating) - op->shadow_extra_info_dirty = true; -} - -static void dss_mgr_write_regs(struct omap_overlay_manager *mgr) -{ - struct mgr_priv_data *mp = get_mgr_priv(mgr); - struct omap_overlay *ovl; - - DSSDBG("writing mgr %d regs\n", mgr->id); - - if (!mp->enabled) - return; - - WARN_ON(mp->busy); - - /* Commit overlay settings */ - list_for_each_entry(ovl, &mgr->overlays, list) { - dss_ovl_write_regs(ovl); - dss_ovl_write_regs_extra(ovl); - } - - if (mp->info_dirty) { - dispc_mgr_setup(mgr->id, &mp->info); - - mp->info_dirty = false; - if (mp->updating) - mp->shadow_info_dirty = true; - } -} - -static void dss_mgr_write_regs_extra(struct omap_overlay_manager *mgr) -{ - struct mgr_priv_data *mp = get_mgr_priv(mgr); - - DSSDBG("writing mgr %d regs extra\n", mgr->id); - - if (!mp->extra_info_dirty) - return; - - dispc_mgr_set_timings(mgr->id, &mp->timings); - - /* lcd_config parameters */ - if (dss_mgr_is_lcd(mgr->id)) - dispc_mgr_set_lcd_config(mgr->id, &mp->lcd_config); - - mp->extra_info_dirty = false; - if (mp->updating) - mp->shadow_extra_info_dirty = true; -} - -static void dss_write_regs(void) -{ - const int num_mgrs = omap_dss_get_num_overlay_managers(); - int i; - - for (i = 0; i < num_mgrs; ++i) { - struct omap_overlay_manager *mgr; - struct mgr_priv_data *mp; - int r; - - mgr = omap_dss_get_overlay_manager(i); - mp = get_mgr_priv(mgr); - - if (!mp->enabled || mgr_manual_update(mgr) || mp->busy) - continue; - - r = dss_check_settings(mgr); - if (r) { - DSSERR("cannot write registers for manager %s: " - "illegal configuration\n", mgr->name); - continue; - } - - dss_mgr_write_regs(mgr); - dss_mgr_write_regs_extra(mgr); - } -} - -static void dss_set_go_bits(void) -{ - const int num_mgrs = omap_dss_get_num_overlay_managers(); - int i; - - for (i = 0; i < num_mgrs; ++i) { - struct omap_overlay_manager *mgr; - struct mgr_priv_data *mp; - - mgr = omap_dss_get_overlay_manager(i); - mp = get_mgr_priv(mgr); - - if (!mp->enabled || mgr_manual_update(mgr) || mp->busy) - continue; - - if (!need_go(mgr)) - continue; - - mp->busy = true; - - if (!dss_data.irq_enabled && need_isr()) - dss_register_vsync_isr(); - - dispc_mgr_go(mgr->id); - } - -} - -static void mgr_clear_shadow_dirty(struct omap_overlay_manager *mgr) -{ - struct omap_overlay *ovl; - struct mgr_priv_data *mp; - struct ovl_priv_data *op; - - mp = get_mgr_priv(mgr); - mp->shadow_info_dirty = false; - mp->shadow_extra_info_dirty = false; - - list_for_each_entry(ovl, &mgr->overlays, list) { - op = get_ovl_priv(ovl); - op->shadow_info_dirty = false; - op->shadow_extra_info_dirty = false; - } -} - -static int dss_mgr_connect_compat(enum omap_channel channel, - struct omap_dss_device *dst) -{ - struct omap_overlay_manager *mgr = omap_dss_get_overlay_manager(channel); - return mgr->set_output(mgr, dst); -} - -static void dss_mgr_disconnect_compat(enum omap_channel channel, - struct omap_dss_device *dst) -{ - struct omap_overlay_manager *mgr = omap_dss_get_overlay_manager(channel); - mgr->unset_output(mgr); -} - -static void dss_mgr_start_update_compat(enum omap_channel channel) -{ - struct omap_overlay_manager *mgr = omap_dss_get_overlay_manager(channel); - struct mgr_priv_data *mp = get_mgr_priv(mgr); - unsigned long flags; - int r; - - spin_lock_irqsave(&data_lock, flags); - - WARN_ON(mp->updating); - - r = dss_check_settings(mgr); - if (r) { - DSSERR("cannot start manual update: illegal configuration\n"); - spin_unlock_irqrestore(&data_lock, flags); - return; - } - - dss_mgr_write_regs(mgr); - dss_mgr_write_regs_extra(mgr); - - mp->updating = true; - - if (!dss_data.irq_enabled && need_isr()) - dss_register_vsync_isr(); - - dispc_mgr_enable_sync(mgr->id); - - spin_unlock_irqrestore(&data_lock, flags); -} - -static void dss_apply_irq_handler(void *data, u32 mask); - -static void dss_register_vsync_isr(void) -{ - const int num_mgrs = dss_feat_get_num_mgrs(); - u32 mask; - int r, i; - - mask = 0; - for (i = 0; i < num_mgrs; ++i) - mask |= dispc_mgr_get_vsync_irq(i); - - for (i = 0; i < num_mgrs; ++i) - mask |= dispc_mgr_get_framedone_irq(i); - - r = omap_dispc_register_isr(dss_apply_irq_handler, NULL, mask); - WARN_ON(r); - - dss_data.irq_enabled = true; -} - -static void dss_unregister_vsync_isr(void) -{ - const int num_mgrs = dss_feat_get_num_mgrs(); - u32 mask; - int r, i; - - mask = 0; - for (i = 0; i < num_mgrs; ++i) - mask |= dispc_mgr_get_vsync_irq(i); - - for (i = 0; i < num_mgrs; ++i) - mask |= dispc_mgr_get_framedone_irq(i); - - r = omap_dispc_unregister_isr(dss_apply_irq_handler, NULL, mask); - WARN_ON(r); - - dss_data.irq_enabled = false; -} - -static void dss_apply_irq_handler(void *data, u32 mask) -{ - const int num_mgrs = dss_feat_get_num_mgrs(); - int i; - bool extra_updating; - - spin_lock(&data_lock); - - /* clear busy, updating flags, shadow_dirty flags */ - for (i = 0; i < num_mgrs; i++) { - struct omap_overlay_manager *mgr; - struct mgr_priv_data *mp; - - mgr = omap_dss_get_overlay_manager(i); - mp = get_mgr_priv(mgr); - - if (!mp->enabled) - continue; - - mp->updating = dispc_mgr_is_enabled(i); - - if (!mgr_manual_update(mgr)) { - bool was_busy = mp->busy; - mp->busy = dispc_mgr_go_busy(i); - - if (was_busy && !mp->busy) - mgr_clear_shadow_dirty(mgr); - } - } - - dss_write_regs(); - dss_set_go_bits(); - - extra_updating = extra_info_update_ongoing(); - if (!extra_updating) - complete_all(&extra_updated_completion); - - /* call framedone handlers for manual update displays */ - for (i = 0; i < num_mgrs; i++) { - struct omap_overlay_manager *mgr; - struct mgr_priv_data *mp; - - mgr = omap_dss_get_overlay_manager(i); - mp = get_mgr_priv(mgr); - - if (!mgr_manual_update(mgr) || !mp->framedone_handler) - continue; - - if (mask & dispc_mgr_get_framedone_irq(i)) - mp->framedone_handler(mp->framedone_handler_data); - } - - if (!need_isr()) - dss_unregister_vsync_isr(); - - spin_unlock(&data_lock); -} - -static void omap_dss_mgr_apply_ovl(struct omap_overlay *ovl) -{ - struct ovl_priv_data *op; - - op = get_ovl_priv(ovl); - - if (!op->user_info_dirty) - return; - - op->user_info_dirty = false; - op->info_dirty = true; - op->info = op->user_info; -} - -static void omap_dss_mgr_apply_mgr(struct omap_overlay_manager *mgr) -{ - struct mgr_priv_data *mp; - - mp = get_mgr_priv(mgr); - - if (!mp->user_info_dirty) - return; - - mp->user_info_dirty = false; - mp->info_dirty = true; - mp->info = mp->user_info; -} - -static int omap_dss_mgr_apply(struct omap_overlay_manager *mgr) -{ - unsigned long flags; - struct omap_overlay *ovl; - int r; - - DSSDBG("omap_dss_mgr_apply(%s)\n", mgr->name); - - spin_lock_irqsave(&data_lock, flags); - - r = dss_check_settings_apply(mgr); - if (r) { - spin_unlock_irqrestore(&data_lock, flags); - DSSERR("failed to apply settings: illegal configuration.\n"); - return r; - } - - /* Configure overlays */ - list_for_each_entry(ovl, &mgr->overlays, list) - omap_dss_mgr_apply_ovl(ovl); - - /* Configure manager */ - omap_dss_mgr_apply_mgr(mgr); - - dss_write_regs(); - dss_set_go_bits(); - - spin_unlock_irqrestore(&data_lock, flags); - - return 0; -} - -static void dss_apply_ovl_enable(struct omap_overlay *ovl, bool enable) -{ - struct ovl_priv_data *op; - - op = get_ovl_priv(ovl); - - if (op->enabled == enable) - return; - - op->enabled = enable; - op->extra_info_dirty = true; -} - -static void dss_apply_ovl_fifo_thresholds(struct omap_overlay *ovl, - u32 fifo_low, u32 fifo_high) -{ - struct ovl_priv_data *op = get_ovl_priv(ovl); - - if (op->fifo_low == fifo_low && op->fifo_high == fifo_high) - return; - - op->fifo_low = fifo_low; - op->fifo_high = fifo_high; - op->extra_info_dirty = true; -} - -static void dss_ovl_setup_fifo(struct omap_overlay *ovl) -{ - struct ovl_priv_data *op = get_ovl_priv(ovl); - u32 fifo_low, fifo_high; - bool use_fifo_merge = false; - - if (!op->enabled && !op->enabling) - return; - - dispc_ovl_compute_fifo_thresholds(ovl->id, &fifo_low, &fifo_high, - use_fifo_merge, ovl_manual_update(ovl)); - - dss_apply_ovl_fifo_thresholds(ovl, fifo_low, fifo_high); -} - -static void dss_mgr_setup_fifos(struct omap_overlay_manager *mgr) -{ - struct omap_overlay *ovl; - struct mgr_priv_data *mp; - - mp = get_mgr_priv(mgr); - - if (!mp->enabled) - return; - - list_for_each_entry(ovl, &mgr->overlays, list) - dss_ovl_setup_fifo(ovl); -} - -static void dss_setup_fifos(void) -{ - const int num_mgrs = omap_dss_get_num_overlay_managers(); - struct omap_overlay_manager *mgr; - int i; - - for (i = 0; i < num_mgrs; ++i) { - mgr = omap_dss_get_overlay_manager(i); - dss_mgr_setup_fifos(mgr); - } -} - -static int dss_mgr_enable_compat(enum omap_channel channel) -{ - struct omap_overlay_manager *mgr = omap_dss_get_overlay_manager(channel); - struct mgr_priv_data *mp = get_mgr_priv(mgr); - unsigned long flags; - int r; - - mutex_lock(&apply_lock); - - if (mp->enabled) - goto out; - - spin_lock_irqsave(&data_lock, flags); - - mp->enabled = true; - - r = dss_check_settings(mgr); - if (r) { - DSSERR("failed to enable manager %d: check_settings failed\n", - mgr->id); - goto err; - } - - dss_setup_fifos(); - - dss_write_regs(); - dss_set_go_bits(); - - if (!mgr_manual_update(mgr)) - mp->updating = true; - - if (!dss_data.irq_enabled && need_isr()) - dss_register_vsync_isr(); - - spin_unlock_irqrestore(&data_lock, flags); - - if (!mgr_manual_update(mgr)) - dispc_mgr_enable_sync(mgr->id); - -out: - mutex_unlock(&apply_lock); - - return 0; - -err: - mp->enabled = false; - spin_unlock_irqrestore(&data_lock, flags); - mutex_unlock(&apply_lock); - return r; -} - -static void dss_mgr_disable_compat(enum omap_channel channel) -{ - struct omap_overlay_manager *mgr = omap_dss_get_overlay_manager(channel); - struct mgr_priv_data *mp = get_mgr_priv(mgr); - unsigned long flags; - - mutex_lock(&apply_lock); - - if (!mp->enabled) - goto out; - - wait_pending_extra_info_updates(); - - if (!mgr_manual_update(mgr)) - dispc_mgr_disable_sync(mgr->id); - - spin_lock_irqsave(&data_lock, flags); - - mp->updating = false; - mp->enabled = false; - - spin_unlock_irqrestore(&data_lock, flags); - -out: - mutex_unlock(&apply_lock); -} - -static int dss_mgr_set_info(struct omap_overlay_manager *mgr, - struct omap_overlay_manager_info *info) -{ - struct mgr_priv_data *mp = get_mgr_priv(mgr); - unsigned long flags; - int r; - - r = dss_mgr_simple_check(mgr, info); - if (r) - return r; - - spin_lock_irqsave(&data_lock, flags); - - mp->user_info = *info; - mp->user_info_dirty = true; - - spin_unlock_irqrestore(&data_lock, flags); - - return 0; -} - -static void dss_mgr_get_info(struct omap_overlay_manager *mgr, - struct omap_overlay_manager_info *info) -{ - struct mgr_priv_data *mp = get_mgr_priv(mgr); - unsigned long flags; - - spin_lock_irqsave(&data_lock, flags); - - *info = mp->user_info; - - spin_unlock_irqrestore(&data_lock, flags); -} - -static int dss_mgr_set_output(struct omap_overlay_manager *mgr, - struct omap_dss_device *output) -{ - int r; - - mutex_lock(&apply_lock); - - if (mgr->output) { - DSSERR("manager %s is already connected to an output\n", - mgr->name); - r = -EINVAL; - goto err; - } - - if ((mgr->supported_outputs & output->id) == 0) { - DSSERR("output does not support manager %s\n", - mgr->name); - r = -EINVAL; - goto err; - } - - output->manager = mgr; - mgr->output = output; - - mutex_unlock(&apply_lock); - - return 0; -err: - mutex_unlock(&apply_lock); - return r; -} - -static int dss_mgr_unset_output(struct omap_overlay_manager *mgr) -{ - int r; - struct mgr_priv_data *mp = get_mgr_priv(mgr); - unsigned long flags; - - mutex_lock(&apply_lock); - - if (!mgr->output) { - DSSERR("failed to unset output, output not set\n"); - r = -EINVAL; - goto err; - } - - spin_lock_irqsave(&data_lock, flags); - - if (mp->enabled) { - DSSERR("output can't be unset when manager is enabled\n"); - r = -EINVAL; - goto err1; - } - - spin_unlock_irqrestore(&data_lock, flags); - - mgr->output->manager = NULL; - mgr->output = NULL; - - mutex_unlock(&apply_lock); - - return 0; -err1: - spin_unlock_irqrestore(&data_lock, flags); -err: - mutex_unlock(&apply_lock); - - return r; -} - -static void dss_apply_mgr_timings(struct omap_overlay_manager *mgr, - const struct omap_video_timings *timings) -{ - struct mgr_priv_data *mp = get_mgr_priv(mgr); - - mp->timings = *timings; - mp->extra_info_dirty = true; -} - -static void dss_mgr_set_timings_compat(enum omap_channel channel, - const struct omap_video_timings *timings) -{ - struct omap_overlay_manager *mgr = omap_dss_get_overlay_manager(channel); - unsigned long flags; - struct mgr_priv_data *mp = get_mgr_priv(mgr); - - spin_lock_irqsave(&data_lock, flags); - - if (mp->updating) { - DSSERR("cannot set timings for %s: manager needs to be disabled\n", - mgr->name); - goto out; - } - - dss_apply_mgr_timings(mgr, timings); -out: - spin_unlock_irqrestore(&data_lock, flags); -} - -static void dss_apply_mgr_lcd_config(struct omap_overlay_manager *mgr, - const struct dss_lcd_mgr_config *config) -{ - struct mgr_priv_data *mp = get_mgr_priv(mgr); - - mp->lcd_config = *config; - mp->extra_info_dirty = true; -} - -static void dss_mgr_set_lcd_config_compat(enum omap_channel channel, - const struct dss_lcd_mgr_config *config) -{ - struct omap_overlay_manager *mgr = omap_dss_get_overlay_manager(channel); - unsigned long flags; - struct mgr_priv_data *mp = get_mgr_priv(mgr); - - spin_lock_irqsave(&data_lock, flags); - - if (mp->enabled) { - DSSERR("cannot apply lcd config for %s: manager needs to be disabled\n", - mgr->name); - goto out; - } - - dss_apply_mgr_lcd_config(mgr, config); -out: - spin_unlock_irqrestore(&data_lock, flags); -} - -static int dss_ovl_set_info(struct omap_overlay *ovl, - struct omap_overlay_info *info) -{ - struct ovl_priv_data *op = get_ovl_priv(ovl); - unsigned long flags; - int r; - - r = dss_ovl_simple_check(ovl, info); - if (r) - return r; - - spin_lock_irqsave(&data_lock, flags); - - op->user_info = *info; - op->user_info_dirty = true; - - spin_unlock_irqrestore(&data_lock, flags); - - return 0; -} - -static void dss_ovl_get_info(struct omap_overlay *ovl, - struct omap_overlay_info *info) -{ - struct ovl_priv_data *op = get_ovl_priv(ovl); - unsigned long flags; - - spin_lock_irqsave(&data_lock, flags); - - *info = op->user_info; - - spin_unlock_irqrestore(&data_lock, flags); -} - -static int dss_ovl_set_manager(struct omap_overlay *ovl, - struct omap_overlay_manager *mgr) -{ - struct ovl_priv_data *op = get_ovl_priv(ovl); - unsigned long flags; - int r; - - if (!mgr) - return -EINVAL; - - mutex_lock(&apply_lock); - - if (ovl->manager) { - DSSERR("overlay '%s' already has a manager '%s'\n", - ovl->name, ovl->manager->name); - r = -EINVAL; - goto err; - } - - r = dispc_runtime_get(); - if (r) - goto err; - - spin_lock_irqsave(&data_lock, flags); - - if (op->enabled) { - spin_unlock_irqrestore(&data_lock, flags); - DSSERR("overlay has to be disabled to change the manager\n"); - r = -EINVAL; - goto err1; - } - - dispc_ovl_set_channel_out(ovl->id, mgr->id); - - ovl->manager = mgr; - list_add_tail(&ovl->list, &mgr->overlays); - - spin_unlock_irqrestore(&data_lock, flags); - - dispc_runtime_put(); - - mutex_unlock(&apply_lock); - - return 0; - -err1: - dispc_runtime_put(); -err: - mutex_unlock(&apply_lock); - return r; -} - -static int dss_ovl_unset_manager(struct omap_overlay *ovl) -{ - struct ovl_priv_data *op = get_ovl_priv(ovl); - unsigned long flags; - int r; - - mutex_lock(&apply_lock); - - if (!ovl->manager) { - DSSERR("failed to detach overlay: manager not set\n"); - r = -EINVAL; - goto err; - } - - spin_lock_irqsave(&data_lock, flags); - - if (op->enabled) { - spin_unlock_irqrestore(&data_lock, flags); - DSSERR("overlay has to be disabled to unset the manager\n"); - r = -EINVAL; - goto err; - } - - spin_unlock_irqrestore(&data_lock, flags); - - /* wait for pending extra_info updates to ensure the ovl is disabled */ - wait_pending_extra_info_updates(); - - /* - * For a manual update display, there is no guarantee that the overlay - * is really disabled in HW, we may need an extra update from this - * manager before the configurations can go in. Return an error if the - * overlay needed an update from the manager. - * - * TODO: Instead of returning an error, try to do a dummy manager update - * here to disable the overlay in hardware. Use the *GATED fields in - * the DISPC_CONFIG registers to do a dummy update. - */ - spin_lock_irqsave(&data_lock, flags); - - if (ovl_manual_update(ovl) && op->extra_info_dirty) { - spin_unlock_irqrestore(&data_lock, flags); - DSSERR("need an update to change the manager\n"); - r = -EINVAL; - goto err; - } - - ovl->manager = NULL; - list_del(&ovl->list); - - spin_unlock_irqrestore(&data_lock, flags); - - mutex_unlock(&apply_lock); - - return 0; -err: - mutex_unlock(&apply_lock); - return r; -} - -static bool dss_ovl_is_enabled(struct omap_overlay *ovl) -{ - struct ovl_priv_data *op = get_ovl_priv(ovl); - unsigned long flags; - bool e; - - spin_lock_irqsave(&data_lock, flags); - - e = op->enabled; - - spin_unlock_irqrestore(&data_lock, flags); - - return e; -} - -static int dss_ovl_enable(struct omap_overlay *ovl) -{ - struct ovl_priv_data *op = get_ovl_priv(ovl); - unsigned long flags; - int r; - - mutex_lock(&apply_lock); - - if (op->enabled) { - r = 0; - goto err1; - } - - if (ovl->manager == NULL || ovl->manager->output == NULL) { - r = -EINVAL; - goto err1; - } - - spin_lock_irqsave(&data_lock, flags); - - op->enabling = true; - - r = dss_check_settings(ovl->manager); - if (r) { - DSSERR("failed to enable overlay %d: check_settings failed\n", - ovl->id); - goto err2; - } - - dss_setup_fifos(); - - op->enabling = false; - dss_apply_ovl_enable(ovl, true); - - dss_write_regs(); - dss_set_go_bits(); - - spin_unlock_irqrestore(&data_lock, flags); - - mutex_unlock(&apply_lock); - - return 0; -err2: - op->enabling = false; - spin_unlock_irqrestore(&data_lock, flags); -err1: - mutex_unlock(&apply_lock); - return r; -} - -static int dss_ovl_disable(struct omap_overlay *ovl) -{ - struct ovl_priv_data *op = get_ovl_priv(ovl); - unsigned long flags; - int r; - - mutex_lock(&apply_lock); - - if (!op->enabled) { - r = 0; - goto err; - } - - if (ovl->manager == NULL || ovl->manager->output == NULL) { - r = -EINVAL; - goto err; - } - - spin_lock_irqsave(&data_lock, flags); - - dss_apply_ovl_enable(ovl, false); - dss_write_regs(); - dss_set_go_bits(); - - spin_unlock_irqrestore(&data_lock, flags); - - mutex_unlock(&apply_lock); - - return 0; - -err: - mutex_unlock(&apply_lock); - return r; -} - -static int dss_mgr_register_framedone_handler_compat(enum omap_channel channel, - void (*handler)(void *), void *data) -{ - struct omap_overlay_manager *mgr = omap_dss_get_overlay_manager(channel); - struct mgr_priv_data *mp = get_mgr_priv(mgr); - - if (mp->framedone_handler) - return -EBUSY; - - mp->framedone_handler = handler; - mp->framedone_handler_data = data; - - return 0; -} - -static void dss_mgr_unregister_framedone_handler_compat(enum omap_channel channel, - void (*handler)(void *), void *data) -{ - struct omap_overlay_manager *mgr = omap_dss_get_overlay_manager(channel); - struct mgr_priv_data *mp = get_mgr_priv(mgr); - - WARN_ON(mp->framedone_handler != handler || - mp->framedone_handler_data != data); - - mp->framedone_handler = NULL; - mp->framedone_handler_data = NULL; -} - -static const struct dss_mgr_ops apply_mgr_ops = { - .connect = dss_mgr_connect_compat, - .disconnect = dss_mgr_disconnect_compat, - .start_update = dss_mgr_start_update_compat, - .enable = dss_mgr_enable_compat, - .disable = dss_mgr_disable_compat, - .set_timings = dss_mgr_set_timings_compat, - .set_lcd_config = dss_mgr_set_lcd_config_compat, - .register_framedone_handler = dss_mgr_register_framedone_handler_compat, - .unregister_framedone_handler = dss_mgr_unregister_framedone_handler_compat, -}; - -static int compat_refcnt; -static DEFINE_MUTEX(compat_init_lock); - -int omapdss_compat_init(void) -{ - struct platform_device *pdev = dss_get_core_pdev(); - int i, r; - - mutex_lock(&compat_init_lock); - - if (compat_refcnt++ > 0) - goto out; - - apply_init_priv(); - - dss_init_overlay_managers_sysfs(pdev); - dss_init_overlays(pdev); - - for (i = 0; i < omap_dss_get_num_overlay_managers(); i++) { - struct omap_overlay_manager *mgr; - - mgr = omap_dss_get_overlay_manager(i); - - mgr->set_output = &dss_mgr_set_output; - mgr->unset_output = &dss_mgr_unset_output; - mgr->apply = &omap_dss_mgr_apply; - mgr->set_manager_info = &dss_mgr_set_info; - mgr->get_manager_info = &dss_mgr_get_info; - mgr->wait_for_go = &dss_mgr_wait_for_go; - mgr->wait_for_vsync = &dss_mgr_wait_for_vsync; - mgr->get_device = &dss_mgr_get_device; - } - - for (i = 0; i < omap_dss_get_num_overlays(); i++) { - struct omap_overlay *ovl = omap_dss_get_overlay(i); - - ovl->is_enabled = &dss_ovl_is_enabled; - ovl->enable = &dss_ovl_enable; - ovl->disable = &dss_ovl_disable; - ovl->set_manager = &dss_ovl_set_manager; - ovl->unset_manager = &dss_ovl_unset_manager; - ovl->set_overlay_info = &dss_ovl_set_info; - ovl->get_overlay_info = &dss_ovl_get_info; - ovl->wait_for_go = &dss_mgr_wait_for_go_ovl; - ovl->get_device = &dss_ovl_get_device; - } - - r = dss_install_mgr_ops(&apply_mgr_ops); - if (r) - goto err_mgr_ops; - - r = display_init_sysfs(pdev); - if (r) - goto err_disp_sysfs; - - dispc_runtime_get(); - - r = dss_dispc_initialize_irq(); - if (r) - goto err_init_irq; - - dispc_runtime_put(); - -out: - mutex_unlock(&compat_init_lock); - - return 0; - -err_init_irq: - dispc_runtime_put(); - display_uninit_sysfs(pdev); - -err_disp_sysfs: - dss_uninstall_mgr_ops(); - -err_mgr_ops: - dss_uninit_overlay_managers_sysfs(pdev); - dss_uninit_overlays(pdev); - - compat_refcnt--; - - mutex_unlock(&compat_init_lock); - - return r; -} -EXPORT_SYMBOL(omapdss_compat_init); - -void omapdss_compat_uninit(void) -{ - struct platform_device *pdev = dss_get_core_pdev(); - - mutex_lock(&compat_init_lock); - - if (--compat_refcnt > 0) - goto out; - - dss_dispc_uninitialize_irq(); - - display_uninit_sysfs(pdev); - - dss_uninstall_mgr_ops(); - - dss_uninit_overlay_managers_sysfs(pdev); - dss_uninit_overlays(pdev); -out: - mutex_unlock(&compat_init_lock); -} -EXPORT_SYMBOL(omapdss_compat_uninit); diff --git a/drivers/gpu/drm/omapdrm/dss/dispc-compat.c b/drivers/gpu/drm/omapdrm/dss/dispc-compat.c deleted file mode 100644 index ef565b67650f..000000000000 --- a/drivers/gpu/drm/omapdrm/dss/dispc-compat.c +++ /dev/null @@ -1,667 +0,0 @@ -/* - * Copyright (C) 2012 Texas Instruments - * Author: Tomi Valkeinen tomi.valkeinen@ti.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see http://www.gnu.org/licenses/. - */ - -#define DSS_SUBSYS_NAME "APPLY" - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/spinlock.h> -#include <linux/jiffies.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/seq_file.h> - -#include <video/omapdss.h> - -#include "dss.h" -#include "dss_features.h" -#include "dispc-compat.h" - -#define DISPC_IRQ_MASK_ERROR (DISPC_IRQ_GFX_FIFO_UNDERFLOW | \ - DISPC_IRQ_OCP_ERR | \ - DISPC_IRQ_VID1_FIFO_UNDERFLOW | \ - DISPC_IRQ_VID2_FIFO_UNDERFLOW | \ - DISPC_IRQ_SYNC_LOST | \ - DISPC_IRQ_SYNC_LOST_DIGIT) - -#define DISPC_MAX_NR_ISRS 8 - -struct omap_dispc_isr_data { - omap_dispc_isr_t isr; - void *arg; - u32 mask; -}; - -struct dispc_irq_stats { - unsigned long last_reset; - unsigned irq_count; - unsigned irqs[32]; -}; - -static struct { - spinlock_t irq_lock; - u32 irq_error_mask; - struct omap_dispc_isr_data registered_isr[DISPC_MAX_NR_ISRS]; - u32 error_irqs; - struct work_struct error_work; - -#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS - spinlock_t irq_stats_lock; - struct dispc_irq_stats irq_stats; -#endif -} dispc_compat; - - -#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS -static void dispc_dump_irqs(struct seq_file *s) -{ - unsigned long flags; - struct dispc_irq_stats stats; - - spin_lock_irqsave(&dispc_compat.irq_stats_lock, flags); - - stats = dispc_compat.irq_stats; - memset(&dispc_compat.irq_stats, 0, sizeof(dispc_compat.irq_stats)); - dispc_compat.irq_stats.last_reset = jiffies; - - spin_unlock_irqrestore(&dispc_compat.irq_stats_lock, flags); - - seq_printf(s, "period %u ms\n", - jiffies_to_msecs(jiffies - stats.last_reset)); - - seq_printf(s, "irqs %d\n", stats.irq_count); -#define PIS(x) \ - seq_printf(s, "%-20s %10d\n", #x, stats.irqs[ffs(DISPC_IRQ_##x)-1]); - - PIS(FRAMEDONE); - PIS(VSYNC); - PIS(EVSYNC_EVEN); - PIS(EVSYNC_ODD); - PIS(ACBIAS_COUNT_STAT); - PIS(PROG_LINE_NUM); - PIS(GFX_FIFO_UNDERFLOW); - PIS(GFX_END_WIN); - PIS(PAL_GAMMA_MASK); - PIS(OCP_ERR); - PIS(VID1_FIFO_UNDERFLOW); - PIS(VID1_END_WIN); - PIS(VID2_FIFO_UNDERFLOW); - PIS(VID2_END_WIN); - if (dss_feat_get_num_ovls() > 3) { - PIS(VID3_FIFO_UNDERFLOW); - PIS(VID3_END_WIN); - } - PIS(SYNC_LOST); - PIS(SYNC_LOST_DIGIT); - PIS(WAKEUP); - if (dss_has_feature(FEAT_MGR_LCD2)) { - PIS(FRAMEDONE2); - PIS(VSYNC2); - PIS(ACBIAS_COUNT_STAT2); - PIS(SYNC_LOST2); - } - if (dss_has_feature(FEAT_MGR_LCD3)) { - PIS(FRAMEDONE3); - PIS(VSYNC3); - PIS(ACBIAS_COUNT_STAT3); - PIS(SYNC_LOST3); - } -#undef PIS -} -#endif - -/* dispc.irq_lock has to be locked by the caller */ -static void _omap_dispc_set_irqs(void) -{ - u32 mask; - int i; - struct omap_dispc_isr_data *isr_data; - - mask = dispc_compat.irq_error_mask; - - for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { - isr_data = &dispc_compat.registered_isr[i]; - - if (isr_data->isr == NULL) - continue; - - mask |= isr_data->mask; - } - - dispc_write_irqenable(mask); -} - -int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask) -{ - int i; - int ret; - unsigned long flags; - struct omap_dispc_isr_data *isr_data; - - if (isr == NULL) - return -EINVAL; - - spin_lock_irqsave(&dispc_compat.irq_lock, flags); - - /* check for duplicate entry */ - for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { - isr_data = &dispc_compat.registered_isr[i]; - if (isr_data->isr == isr && isr_data->arg == arg && - isr_data->mask == mask) { - ret = -EINVAL; - goto err; - } - } - - isr_data = NULL; - ret = -EBUSY; - - for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { - isr_data = &dispc_compat.registered_isr[i]; - - if (isr_data->isr != NULL) - continue; - - isr_data->isr = isr; - isr_data->arg = arg; - isr_data->mask = mask; - ret = 0; - - break; - } - - if (ret) - goto err; - - _omap_dispc_set_irqs(); - - spin_unlock_irqrestore(&dispc_compat.irq_lock, flags); - - return 0; -err: - spin_unlock_irqrestore(&dispc_compat.irq_lock, flags); - - return ret; -} -EXPORT_SYMBOL(omap_dispc_register_isr); - -int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask) -{ - int i; - unsigned long flags; - int ret = -EINVAL; - struct omap_dispc_isr_data *isr_data; - - spin_lock_irqsave(&dispc_compat.irq_lock, flags); - - for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { - isr_data = &dispc_compat.registered_isr[i]; - if (isr_data->isr != isr || isr_data->arg != arg || - isr_data->mask != mask) - continue; - - /* found the correct isr */ - - isr_data->isr = NULL; - isr_data->arg = NULL; - isr_data->mask = 0; - - ret = 0; - break; - } - - if (ret == 0) - _omap_dispc_set_irqs(); - - spin_unlock_irqrestore(&dispc_compat.irq_lock, flags); - - return ret; -} -EXPORT_SYMBOL(omap_dispc_unregister_isr); - -static void print_irq_status(u32 status) -{ - if ((status & dispc_compat.irq_error_mask) == 0) - return; - -#define PIS(x) (status & DISPC_IRQ_##x) ? (#x " ") : "" - - pr_debug("DISPC IRQ: 0x%x: %s%s%s%s%s%s%s%s%s\n", - status, - PIS(OCP_ERR), - PIS(GFX_FIFO_UNDERFLOW), - PIS(VID1_FIFO_UNDERFLOW), - PIS(VID2_FIFO_UNDERFLOW), - dss_feat_get_num_ovls() > 3 ? PIS(VID3_FIFO_UNDERFLOW) : "", - PIS(SYNC_LOST), - PIS(SYNC_LOST_DIGIT), - dss_has_feature(FEAT_MGR_LCD2) ? PIS(SYNC_LOST2) : "", - dss_has_feature(FEAT_MGR_LCD3) ? PIS(SYNC_LOST3) : ""); -#undef PIS -} - -/* Called from dss.c. Note that we don't touch clocks here, - * but we presume they are on because we got an IRQ. However, - * an irq handler may turn the clocks off, so we may not have - * clock later in the function. */ -static irqreturn_t omap_dispc_irq_handler(int irq, void *arg) -{ - int i; - u32 irqstatus, irqenable; - u32 handledirqs = 0; - u32 unhandled_errors; - struct omap_dispc_isr_data *isr_data; - struct omap_dispc_isr_data registered_isr[DISPC_MAX_NR_ISRS]; - - spin_lock(&dispc_compat.irq_lock); - - irqstatus = dispc_read_irqstatus(); - irqenable = dispc_read_irqenable(); - - /* IRQ is not for us */ - if (!(irqstatus & irqenable)) { - spin_unlock(&dispc_compat.irq_lock); - return IRQ_NONE; - } - -#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS - spin_lock(&dispc_compat.irq_stats_lock); - dispc_compat.irq_stats.irq_count++; - dss_collect_irq_stats(irqstatus, dispc_compat.irq_stats.irqs); - spin_unlock(&dispc_compat.irq_stats_lock); -#endif - - print_irq_status(irqstatus); - - /* Ack the interrupt. Do it here before clocks are possibly turned - * off */ - dispc_clear_irqstatus(irqstatus); - /* flush posted write */ - dispc_read_irqstatus(); - - /* make a copy and unlock, so that isrs can unregister - * themselves */ - memcpy(registered_isr, dispc_compat.registered_isr, - sizeof(registered_isr)); - - spin_unlock(&dispc_compat.irq_lock); - - for (i = 0; i < DISPC_MAX_NR_ISRS; i++) { - isr_data = &registered_isr[i]; - - if (!isr_data->isr) - continue; - - if (isr_data->mask & irqstatus) { - isr_data->isr(isr_data->arg, irqstatus); - handledirqs |= isr_data->mask; - } - } - - spin_lock(&dispc_compat.irq_lock); - - unhandled_errors = irqstatus & ~handledirqs & dispc_compat.irq_error_mask; - - if (unhandled_errors) { - dispc_compat.error_irqs |= unhandled_errors; - - dispc_compat.irq_error_mask &= ~unhandled_errors; - _omap_dispc_set_irqs(); - - schedule_work(&dispc_compat.error_work); - } - - spin_unlock(&dispc_compat.irq_lock); - - return IRQ_HANDLED; -} - -static void dispc_error_worker(struct work_struct *work) -{ - int i; - u32 errors; - unsigned long flags; - static const unsigned fifo_underflow_bits[] = { - DISPC_IRQ_GFX_FIFO_UNDERFLOW, - DISPC_IRQ_VID1_FIFO_UNDERFLOW, - DISPC_IRQ_VID2_FIFO_UNDERFLOW, - DISPC_IRQ_VID3_FIFO_UNDERFLOW, - }; - - spin_lock_irqsave(&dispc_compat.irq_lock, flags); - errors = dispc_compat.error_irqs; - dispc_compat.error_irqs = 0; - spin_unlock_irqrestore(&dispc_compat.irq_lock, flags); - - dispc_runtime_get(); - - for (i = 0; i < omap_dss_get_num_overlays(); ++i) { - struct omap_overlay *ovl; - unsigned bit; - - ovl = omap_dss_get_overlay(i); - bit = fifo_underflow_bits[i]; - - if (bit & errors) { - DSSERR("FIFO UNDERFLOW on %s, disabling the overlay\n", - ovl->name); - ovl->disable(ovl); - msleep(50); - } - } - - for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) { - struct omap_overlay_manager *mgr; - unsigned bit; - - mgr = omap_dss_get_overlay_manager(i); - bit = dispc_mgr_get_sync_lost_irq(i); - - if (bit & errors) { - int j; - - DSSERR("SYNC_LOST on channel %s, restarting the output " - "with video overlays disabled\n", - mgr->name); - - dss_mgr_disable(mgr->id); - - for (j = 0; j < omap_dss_get_num_overlays(); ++j) { - struct omap_overlay *ovl; - ovl = omap_dss_get_overlay(j); - - if (ovl->id != OMAP_DSS_GFX && - ovl->manager == mgr) - ovl->disable(ovl); - } - - dss_mgr_enable(mgr->id); - } - } - - if (errors & DISPC_IRQ_OCP_ERR) { - DSSERR("OCP_ERR\n"); - for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) { - struct omap_overlay_manager *mgr; - - mgr = omap_dss_get_overlay_manager(i); - dss_mgr_disable(mgr->id); - } - } - - spin_lock_irqsave(&dispc_compat.irq_lock, flags); - dispc_compat.irq_error_mask |= errors; - _omap_dispc_set_irqs(); - spin_unlock_irqrestore(&dispc_compat.irq_lock, flags); - - dispc_runtime_put(); -} - -int dss_dispc_initialize_irq(void) -{ - int r; - -#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS - spin_lock_init(&dispc_compat.irq_stats_lock); - dispc_compat.irq_stats.last_reset = jiffies; - dss_debugfs_create_file("dispc_irq", dispc_dump_irqs); -#endif - - spin_lock_init(&dispc_compat.irq_lock); - - memset(dispc_compat.registered_isr, 0, - sizeof(dispc_compat.registered_isr)); - - dispc_compat.irq_error_mask = DISPC_IRQ_MASK_ERROR; - if (dss_has_feature(FEAT_MGR_LCD2)) - dispc_compat.irq_error_mask |= DISPC_IRQ_SYNC_LOST2; - if (dss_has_feature(FEAT_MGR_LCD3)) - dispc_compat.irq_error_mask |= DISPC_IRQ_SYNC_LOST3; - if (dss_feat_get_num_ovls() > 3) - dispc_compat.irq_error_mask |= DISPC_IRQ_VID3_FIFO_UNDERFLOW; - - /* - * there's SYNC_LOST_DIGIT waiting after enabling the DSS, - * so clear it - */ - dispc_clear_irqstatus(dispc_read_irqstatus()); - - INIT_WORK(&dispc_compat.error_work, dispc_error_worker); - - _omap_dispc_set_irqs(); - - r = dispc_request_irq(omap_dispc_irq_handler, &dispc_compat); - if (r) { - DSSERR("dispc_request_irq failed\n"); - return r; - } - - return 0; -} - -void dss_dispc_uninitialize_irq(void) -{ - dispc_free_irq(&dispc_compat); -} - -static void dispc_mgr_disable_isr(void *data, u32 mask) -{ - struct completion *compl = data; - complete(compl); -} - -static void dispc_mgr_enable_lcd_out(enum omap_channel channel) -{ - dispc_mgr_enable(channel, true); -} - -static void dispc_mgr_disable_lcd_out(enum omap_channel channel) -{ - DECLARE_COMPLETION_ONSTACK(framedone_compl); - int r; - u32 irq; - - if (!dispc_mgr_is_enabled(channel)) - return; - - /* - * When we disable LCD output, we need to wait for FRAMEDONE to know - * that DISPC has finished with the LCD output. - */ - - irq = dispc_mgr_get_framedone_irq(channel); - - r = omap_dispc_register_isr(dispc_mgr_disable_isr, &framedone_compl, - irq); - if (r) - DSSERR("failed to register FRAMEDONE isr\n"); - - dispc_mgr_enable(channel, false); - - /* if we couldn't register for framedone, just sleep and exit */ - if (r) { - msleep(100); - return; - } - - if (!wait_for_completion_timeout(&framedone_compl, - msecs_to_jiffies(100))) - DSSERR("timeout waiting for FRAME DONE\n"); - - r = omap_dispc_unregister_isr(dispc_mgr_disable_isr, &framedone_compl, - irq); - if (r) - DSSERR("failed to unregister FRAMEDONE isr\n"); -} - -static void dispc_digit_out_enable_isr(void *data, u32 mask) -{ - struct completion *compl = data; - - /* ignore any sync lost interrupts */ - if (mask & (DISPC_IRQ_EVSYNC_EVEN | DISPC_IRQ_EVSYNC_ODD)) - complete(compl); -} - -static void dispc_mgr_enable_digit_out(void) -{ - DECLARE_COMPLETION_ONSTACK(vsync_compl); - int r; - u32 irq_mask; - - if (dispc_mgr_is_enabled(OMAP_DSS_CHANNEL_DIGIT)) - return; - - /* - * Digit output produces some sync lost interrupts during the first - * frame when enabling. Those need to be ignored, so we register for the - * sync lost irq to prevent the error handler from triggering. - */ - - irq_mask = dispc_mgr_get_vsync_irq(OMAP_DSS_CHANNEL_DIGIT) | - dispc_mgr_get_sync_lost_irq(OMAP_DSS_CHANNEL_DIGIT); - - r = omap_dispc_register_isr(dispc_digit_out_enable_isr, &vsync_compl, - irq_mask); - if (r) { - DSSERR("failed to register %x isr\n", irq_mask); - return; - } - - dispc_mgr_enable(OMAP_DSS_CHANNEL_DIGIT, true); - - /* wait for the first evsync */ - if (!wait_for_completion_timeout(&vsync_compl, msecs_to_jiffies(100))) - DSSERR("timeout waiting for digit out to start\n"); - - r = omap_dispc_unregister_isr(dispc_digit_out_enable_isr, &vsync_compl, - irq_mask); - if (r) - DSSERR("failed to unregister %x isr\n", irq_mask); -} - -static void dispc_mgr_disable_digit_out(void) -{ - DECLARE_COMPLETION_ONSTACK(framedone_compl); - int r, i; - u32 irq_mask; - int num_irqs; - - if (!dispc_mgr_is_enabled(OMAP_DSS_CHANNEL_DIGIT)) - return; - - /* - * When we disable the digit output, we need to wait for FRAMEDONE to - * know that DISPC has finished with the output. - */ - - irq_mask = dispc_mgr_get_framedone_irq(OMAP_DSS_CHANNEL_DIGIT); - num_irqs = 1; - - if (!irq_mask) { - /* - * omap 2/3 don't have framedone irq for TV, so we need to use - * vsyncs for this. - */ - - irq_mask = dispc_mgr_get_vsync_irq(OMAP_DSS_CHANNEL_DIGIT); - /* - * We need to wait for both even and odd vsyncs. Note that this - * is not totally reliable, as we could get a vsync interrupt - * before we disable the output, which leads to timeout in the - * wait_for_completion. - */ - num_irqs = 2; - } - - r = omap_dispc_register_isr(dispc_mgr_disable_isr, &framedone_compl, - irq_mask); - if (r) - DSSERR("failed to register %x isr\n", irq_mask); - - dispc_mgr_enable(OMAP_DSS_CHANNEL_DIGIT, false); - - /* if we couldn't register the irq, just sleep and exit */ - if (r) { - msleep(100); - return; - } - - for (i = 0; i < num_irqs; ++i) { - if (!wait_for_completion_timeout(&framedone_compl, - msecs_to_jiffies(100))) - DSSERR("timeout waiting for digit out to stop\n"); - } - - r = omap_dispc_unregister_isr(dispc_mgr_disable_isr, &framedone_compl, - irq_mask); - if (r) - DSSERR("failed to unregister %x isr\n", irq_mask); -} - -void dispc_mgr_enable_sync(enum omap_channel channel) -{ - if (dss_mgr_is_lcd(channel)) - dispc_mgr_enable_lcd_out(channel); - else if (channel == OMAP_DSS_CHANNEL_DIGIT) - dispc_mgr_enable_digit_out(); - else - WARN_ON(1); -} - -void dispc_mgr_disable_sync(enum omap_channel channel) -{ - if (dss_mgr_is_lcd(channel)) - dispc_mgr_disable_lcd_out(channel); - else if (channel == OMAP_DSS_CHANNEL_DIGIT) - dispc_mgr_disable_digit_out(); - else - WARN_ON(1); -} - -static inline void dispc_irq_wait_handler(void *data, u32 mask) -{ - complete((struct completion *)data); -} - -int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask, - unsigned long timeout) -{ - - int r; - DECLARE_COMPLETION_ONSTACK(completion); - - r = omap_dispc_register_isr(dispc_irq_wait_handler, &completion, - irqmask); - - if (r) - return r; - - timeout = wait_for_completion_interruptible_timeout(&completion, - timeout); - - omap_dispc_unregister_isr(dispc_irq_wait_handler, &completion, irqmask); - - if (timeout == 0) - return -ETIMEDOUT; - - if (timeout == -ERESTARTSYS) - return -ERESTARTSYS; - - return 0; -} diff --git a/drivers/gpu/drm/omapdrm/dss/dispc-compat.h b/drivers/gpu/drm/omapdrm/dss/dispc-compat.h deleted file mode 100644 index 14a69b3d4fb0..000000000000 --- a/drivers/gpu/drm/omapdrm/dss/dispc-compat.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * Copyright (C) 2012 Texas Instruments - * Author: Tomi Valkeinen tomi.valkeinen@ti.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see http://www.gnu.org/licenses/. - */ - -#ifndef __OMAP2_DSS_DISPC_COMPAT_H -#define __OMAP2_DSS_DISPC_COMPAT_H - -void dispc_mgr_enable_sync(enum omap_channel channel); -void dispc_mgr_disable_sync(enum omap_channel channel); - -int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask, - unsigned long timeout); - -int dss_dispc_initialize_irq(void); -void dss_dispc_uninitialize_irq(void); - -#endif diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c index a5940892a788..031451b09922 100644 --- a/drivers/gpu/drm/omapdrm/dss/dispc.c +++ b/drivers/gpu/drm/omapdrm/dss/dispc.c @@ -4155,8 +4155,6 @@ static int dispc_bind(struct device *dev, struct device *master, void *data)

dispc_runtime_put();

- dss_init_overlay_managers(); - dss_debugfs_create_file("dispc", dispc_dump_regs);

return 0; @@ -4170,8 +4168,6 @@ static void dispc_unbind(struct device *dev, struct device *master, void *data) { pm_runtime_disable(dev); - - dss_uninit_overlay_managers(); }

static const struct component_ops dispc_component_ops = { diff --git a/drivers/gpu/drm/omapdrm/dss/display-sysfs.c b/drivers/gpu/drm/omapdrm/dss/display-sysfs.c deleted file mode 100644 index 6ad0991f8259..000000000000 --- a/drivers/gpu/drm/omapdrm/dss/display-sysfs.c +++ /dev/null @@ -1,356 +0,0 @@ -/* - * Copyright (C) 2009 Nokia Corporation - * Author: Tomi Valkeinen tomi.valkeinen@nokia.com - * - * Some code and ideas taken from drivers/video/omap/ driver - * by Imre Deak. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see http://www.gnu.org/licenses/. - */ - -#define DSS_SUBSYS_NAME "DISPLAY" - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/sysfs.h> - -#include <video/omapdss.h> -#include "dss.h" - -static ssize_t display_name_show(struct omap_dss_device *dssdev, char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%s\n", - dssdev->name ? - dssdev->name : ""); -} - -static ssize_t display_enabled_show(struct omap_dss_device *dssdev, char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%d\n", - omapdss_device_is_enabled(dssdev)); -} - -static ssize_t display_enabled_store(struct omap_dss_device *dssdev, - const char *buf, size_t size) -{ - int r; - bool enable; - - r = strtobool(buf, &enable); - if (r) - return r; - - if (enable == omapdss_device_is_enabled(dssdev)) - return size; - - if (omapdss_device_is_connected(dssdev) == false) - return -ENODEV; - - if (enable) { - r = dssdev->driver->enable(dssdev); - if (r) - return r; - } else { - dssdev->driver->disable(dssdev); - } - - return size; -} - -static ssize_t display_tear_show(struct omap_dss_device *dssdev, char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%d\n", - dssdev->driver->get_te ? - dssdev->driver->get_te(dssdev) : 0); -} - -static ssize_t display_tear_store(struct omap_dss_device *dssdev, - const char *buf, size_t size) -{ - int r; - bool te; - - if (!dssdev->driver->enable_te || !dssdev->driver->get_te) - return -ENOENT; - - r = strtobool(buf, &te); - if (r) - return r; - - r = dssdev->driver->enable_te(dssdev, te); - if (r) - return r; - - return size; -} - -static ssize_t display_timings_show(struct omap_dss_device *dssdev, char *buf) -{ - struct omap_video_timings t; - - if (!dssdev->driver->get_timings) - return -ENOENT; - - dssdev->driver->get_timings(dssdev, &t); - - return snprintf(buf, PAGE_SIZE, "%u,%u/%u/%u/%u,%u/%u/%u/%u\n", - t.pixelclock, - t.x_res, t.hfp, t.hbp, t.hsw, - t.y_res, t.vfp, t.vbp, t.vsw); -} - -static ssize_t display_timings_store(struct omap_dss_device *dssdev, - const char *buf, size_t size) -{ - struct omap_video_timings t = dssdev->panel.timings; - int r, found; - - if (!dssdev->driver->set_timings || !dssdev->driver->check_timings) - return -ENOENT; - - found = 0; -#ifdef CONFIG_OMAP2_DSS_VENC - if (strncmp("pal", buf, 3) == 0) { - t = omap_dss_pal_timings; - found = 1; - } else if (strncmp("ntsc", buf, 4) == 0) { - t = omap_dss_ntsc_timings; - found = 1; - } -#endif - if (!found && sscanf(buf, "%u,%hu/%hu/%hu/%hu,%hu/%hu/%hu/%hu", - &t.pixelclock, - &t.x_res, &t.hfp, &t.hbp, &t.hsw, - &t.y_res, &t.vfp, &t.vbp, &t.vsw) != 9) - return -EINVAL; - - r = dssdev->driver->check_timings(dssdev, &t); - if (r) - return r; - - dssdev->driver->disable(dssdev); - dssdev->driver->set_timings(dssdev, &t); - r = dssdev->driver->enable(dssdev); - if (r) - return r; - - return size; -} - -static ssize_t display_rotate_show(struct omap_dss_device *dssdev, char *buf) -{ - int rotate; - if (!dssdev->driver->get_rotate) - return -ENOENT; - rotate = dssdev->driver->get_rotate(dssdev); - return snprintf(buf, PAGE_SIZE, "%u\n", rotate); -} - -static ssize_t display_rotate_store(struct omap_dss_device *dssdev, - const char *buf, size_t size) -{ - int rot, r; - - if (!dssdev->driver->set_rotate || !dssdev->driver->get_rotate) - return -ENOENT; - - r = kstrtoint(buf, 0, &rot); - if (r) - return r; - - r = dssdev->driver->set_rotate(dssdev, rot); - if (r) - return r; - - return size; -} - -static ssize_t display_mirror_show(struct omap_dss_device *dssdev, char *buf) -{ - int mirror; - if (!dssdev->driver->get_mirror) - return -ENOENT; - mirror = dssdev->driver->get_mirror(dssdev); - return snprintf(buf, PAGE_SIZE, "%u\n", mirror); -} - -static ssize_t display_mirror_store(struct omap_dss_device *dssdev, - const char *buf, size_t size) -{ - int r; - bool mirror; - - if (!dssdev->driver->set_mirror || !dssdev->driver->get_mirror) - return -ENOENT; - - r = strtobool(buf, &mirror); - if (r) - return r; - - r = dssdev->driver->set_mirror(dssdev, mirror); - if (r) - return r; - - return size; -} - -static ssize_t display_wss_show(struct omap_dss_device *dssdev, char *buf) -{ - unsigned int wss; - - if (!dssdev->driver->get_wss) - return -ENOENT; - - wss = dssdev->driver->get_wss(dssdev); - - return snprintf(buf, PAGE_SIZE, "0x%05x\n", wss); -} - -static ssize_t display_wss_store(struct omap_dss_device *dssdev, - const char *buf, size_t size) -{ - u32 wss; - int r; - - if (!dssdev->driver->get_wss || !dssdev->driver->set_wss) - return -ENOENT; - - r = kstrtou32(buf, 0, &wss); - if (r) - return r; - - if (wss > 0xfffff) - return -EINVAL; - - r = dssdev->driver->set_wss(dssdev, wss); - if (r) - return r; - - return size; -} - -struct display_attribute { - struct attribute attr; - ssize_t (*show)(struct omap_dss_device *, char *); - ssize_t (*store)(struct omap_dss_device *, const char *, size_t); -}; - -#define DISPLAY_ATTR(_name, _mode, _show, _store) \ - struct display_attribute display_attr_##_name = \ - __ATTR(_name, _mode, _show, _store) - -static DISPLAY_ATTR(name, S_IRUGO, display_name_show, NULL); -static DISPLAY_ATTR(display_name, S_IRUGO, display_name_show, NULL); -static DISPLAY_ATTR(enabled, S_IRUGO|S_IWUSR, - display_enabled_show, display_enabled_store); -static DISPLAY_ATTR(tear_elim, S_IRUGO|S_IWUSR, - display_tear_show, display_tear_store); -static DISPLAY_ATTR(timings, S_IRUGO|S_IWUSR, - display_timings_show, display_timings_store); -static DISPLAY_ATTR(rotate, S_IRUGO|S_IWUSR, - display_rotate_show, display_rotate_store); -static DISPLAY_ATTR(mirror, S_IRUGO|S_IWUSR, - display_mirror_show, display_mirror_store); -static DISPLAY_ATTR(wss, S_IRUGO|S_IWUSR, - display_wss_show, display_wss_store); - -static struct attribute *display_sysfs_attrs[] = { - &display_attr_name.attr, - &display_attr_display_name.attr, - &display_attr_enabled.attr, - &display_attr_tear_elim.attr, - &display_attr_timings.attr, - &display_attr_rotate.attr, - &display_attr_mirror.attr, - &display_attr_wss.attr, - NULL -}; - -static ssize_t display_attr_show(struct kobject *kobj, struct attribute *attr, - char *buf) -{ - struct omap_dss_device *dssdev; - struct display_attribute *display_attr; - - dssdev = container_of(kobj, struct omap_dss_device, kobj); - display_attr = container_of(attr, struct display_attribute, attr); - - if (!display_attr->show) - return -ENOENT; - - return display_attr->show(dssdev, buf); -} - -static ssize_t display_attr_store(struct kobject *kobj, struct attribute *attr, - const char *buf, size_t size) -{ - struct omap_dss_device *dssdev; - struct display_attribute *display_attr; - - dssdev = container_of(kobj, struct omap_dss_device, kobj); - display_attr = container_of(attr, struct display_attribute, attr); - - if (!display_attr->store) - return -ENOENT; - - return display_attr->store(dssdev, buf, size); -} - -static const struct sysfs_ops display_sysfs_ops = { - .show = display_attr_show, - .store = display_attr_store, -}; - -static struct kobj_type display_ktype = { - .sysfs_ops = &display_sysfs_ops, - .default_attrs = display_sysfs_attrs, -}; - -int display_init_sysfs(struct platform_device *pdev) -{ - struct omap_dss_device *dssdev = NULL; - int r; - - for_each_dss_dev(dssdev) { - r = kobject_init_and_add(&dssdev->kobj, &display_ktype, - &pdev->dev.kobj, "%s", dssdev->alias); - if (r) { - DSSERR("failed to create sysfs files\n"); - omap_dss_put_device(dssdev); - goto err; - } - } - - return 0; - -err: - display_uninit_sysfs(pdev); - - return r; -} - -void display_uninit_sysfs(struct platform_device *pdev) -{ - struct omap_dss_device *dssdev = NULL; - - for_each_dss_dev(dssdev) { - if (kobject_name(&dssdev->kobj) == NULL) - continue; - - kobject_del(&dssdev->kobj); - kobject_put(&dssdev->kobj); - - memset(&dssdev->kobj, 0, sizeof(dssdev->kobj)); - } -} diff --git a/drivers/gpu/drm/omapdrm/dss/manager-sysfs.c b/drivers/gpu/drm/omapdrm/dss/manager-sysfs.c deleted file mode 100644 index a7414fb12830..000000000000 --- a/drivers/gpu/drm/omapdrm/dss/manager-sysfs.c +++ /dev/null @@ -1,531 +0,0 @@ -/* - * Copyright (C) 2009 Nokia Corporation - * Author: Tomi Valkeinen tomi.valkeinen@nokia.com - * - * Some code and ideas taken from drivers/video/omap/ driver - * by Imre Deak. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see http://www.gnu.org/licenses/. - */ - -#define DSS_SUBSYS_NAME "MANAGER" - -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/jiffies.h> - -#include <video/omapdss.h> - -#include "dss.h" -#include "dss_features.h" - -static ssize_t manager_name_show(struct omap_overlay_manager *mgr, char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%s\n", mgr->name); -} - -static ssize_t manager_display_show(struct omap_overlay_manager *mgr, char *buf) -{ - struct omap_dss_device *dssdev = mgr->get_device(mgr); - - return snprintf(buf, PAGE_SIZE, "%s\n", dssdev ? - dssdev->name : "<none>"); -} - -static int manager_display_match(struct omap_dss_device *dssdev, void *data) -{ - const char *str = data; - - return sysfs_streq(dssdev->name, str); -} - -static ssize_t manager_display_store(struct omap_overlay_manager *mgr, - const char *buf, size_t size) -{ - int r = 0; - size_t len = size; - struct omap_dss_device *dssdev = NULL; - struct omap_dss_device *old_dssdev; - - if (buf[size-1] == '\n') - --len; - - if (len > 0) - dssdev = omap_dss_find_device((void *)buf, - manager_display_match); - - if (len > 0 && dssdev == NULL) - return -EINVAL; - - if (dssdev) { - DSSDBG("display %s found\n", dssdev->name); - - if (omapdss_device_is_connected(dssdev)) { - DSSERR("new display is already connected\n"); - r = -EINVAL; - goto put_device; - } - - if (omapdss_device_is_enabled(dssdev)) { - DSSERR("new display is not disabled\n"); - r = -EINVAL; - goto put_device; - } - } - - old_dssdev = mgr->get_device(mgr); - if (old_dssdev) { - if (omapdss_device_is_enabled(old_dssdev)) { - DSSERR("old display is not disabled\n"); - r = -EINVAL; - goto put_device; - } - - old_dssdev->driver->disconnect(old_dssdev); - } - - if (dssdev) { - r = dssdev->driver->connect(dssdev); - if (r) { - DSSERR("failed to connect new device\n"); - goto put_device; - } - - old_dssdev = mgr->get_device(mgr); - if (old_dssdev != dssdev) { - DSSERR("failed to connect device to this manager\n"); - dssdev->driver->disconnect(dssdev); - goto put_device; - } - - r = mgr->apply(mgr); - if (r) { - DSSERR("failed to apply dispc config\n"); - goto put_device; - } - } - -put_device: - if (dssdev) - omap_dss_put_device(dssdev); - - return r ? r : size; -} - -static ssize_t manager_default_color_show(struct omap_overlay_manager *mgr, - char *buf) -{ - struct omap_overlay_manager_info info; - - mgr->get_manager_info(mgr, &info); - - return snprintf(buf, PAGE_SIZE, "%#x\n", info.default_color); -} - -static ssize_t manager_default_color_store(struct omap_overlay_manager *mgr, - const char *buf, size_t size) -{ - struct omap_overlay_manager_info info; - u32 color; - int r; - - r = kstrtouint(buf, 0, &color); - if (r) - return r; - - mgr->get_manager_info(mgr, &info); - - info.default_color = color; - - r = mgr->set_manager_info(mgr, &info); - if (r) - return r; - - r = mgr->apply(mgr); - if (r) - return r; - - return size; -} - -static const char *trans_key_type_str[] = { - "gfx-destination", - "video-source", -}; - -static ssize_t manager_trans_key_type_show(struct omap_overlay_manager *mgr, - char *buf) -{ - enum omap_dss_trans_key_type key_type; - struct omap_overlay_manager_info info; - - mgr->get_manager_info(mgr, &info); - - key_type = info.trans_key_type; - BUG_ON(key_type >= ARRAY_SIZE(trans_key_type_str)); - - return snprintf(buf, PAGE_SIZE, "%s\n", trans_key_type_str[key_type]); -} - -static ssize_t manager_trans_key_type_store(struct omap_overlay_manager *mgr, - const char *buf, size_t size) -{ - enum omap_dss_trans_key_type key_type; - struct omap_overlay_manager_info info; - int r; - - for (key_type = OMAP_DSS_COLOR_KEY_GFX_DST; - key_type < ARRAY_SIZE(trans_key_type_str); key_type++) { - if (sysfs_streq(buf, trans_key_type_str[key_type])) - break; - } - - if (key_type == ARRAY_SIZE(trans_key_type_str)) - return -EINVAL; - - mgr->get_manager_info(mgr, &info); - - info.trans_key_type = key_type; - - r = mgr->set_manager_info(mgr, &info); - if (r) - return r; - - r = mgr->apply(mgr); - if (r) - return r; - - return size; -} - -static ssize_t manager_trans_key_value_show(struct omap_overlay_manager *mgr, - char *buf) -{ - struct omap_overlay_manager_info info; - - mgr->get_manager_info(mgr, &info); - - return snprintf(buf, PAGE_SIZE, "%#x\n", info.trans_key); -} - -static ssize_t manager_trans_key_value_store(struct omap_overlay_manager *mgr, - const char *buf, size_t size) -{ - struct omap_overlay_manager_info info; - u32 key_value; - int r; - - r = kstrtouint(buf, 0, &key_value); - if (r) - return r; - - mgr->get_manager_info(mgr, &info); - - info.trans_key = key_value; - - r = mgr->set_manager_info(mgr, &info); - if (r) - return r; - - r = mgr->apply(mgr); - if (r) - return r; - - return size; -} - -static ssize_t manager_trans_key_enabled_show(struct omap_overlay_manager *mgr, - char *buf) -{ - struct omap_overlay_manager_info info; - - mgr->get_manager_info(mgr, &info); - - return snprintf(buf, PAGE_SIZE, "%d\n", info.trans_enabled); -} - -static ssize_t manager_trans_key_enabled_store(struct omap_overlay_manager *mgr, - const char *buf, size_t size) -{ - struct omap_overlay_manager_info info; - bool enable; - int r; - - r = strtobool(buf, &enable); - if (r) - return r; - - mgr->get_manager_info(mgr, &info); - - info.trans_enabled = enable; - - r = mgr->set_manager_info(mgr, &info); - if (r) - return r; - - r = mgr->apply(mgr); - if (r) - return r; - - return size; -} - -static ssize_t manager_alpha_blending_enabled_show( - struct omap_overlay_manager *mgr, char *buf) -{ - struct omap_overlay_manager_info info; - - if(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER)) - return -ENODEV; - - mgr->get_manager_info(mgr, &info); - - return snprintf(buf, PAGE_SIZE, "%d\n", - info.partial_alpha_enabled); -} - -static ssize_t manager_alpha_blending_enabled_store( - struct omap_overlay_manager *mgr, - const char *buf, size_t size) -{ - struct omap_overlay_manager_info info; - bool enable; - int r; - - if(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER)) - return -ENODEV; - - r = strtobool(buf, &enable); - if (r) - return r; - - mgr->get_manager_info(mgr, &info); - - info.partial_alpha_enabled = enable; - - r = mgr->set_manager_info(mgr, &info); - if (r) - return r; - - r = mgr->apply(mgr); - if (r) - return r; - - return size; -} - -static ssize_t manager_cpr_enable_show(struct omap_overlay_manager *mgr, - char *buf) -{ - struct omap_overlay_manager_info info; - - mgr->get_manager_info(mgr, &info); - - return snprintf(buf, PAGE_SIZE, "%d\n", info.cpr_enable); -} - -static ssize_t manager_cpr_enable_store(struct omap_overlay_manager *mgr, - const char *buf, size_t size) -{ - struct omap_overlay_manager_info info; - int r; - bool enable; - - if (!dss_has_feature(FEAT_CPR)) - return -ENODEV; - - r = strtobool(buf, &enable); - if (r) - return r; - - mgr->get_manager_info(mgr, &info); - - if (info.cpr_enable == enable) - return size; - - info.cpr_enable = enable; - - r = mgr->set_manager_info(mgr, &info); - if (r) - return r; - - r = mgr->apply(mgr); - if (r) - return r; - - return size; -} - -static ssize_t manager_cpr_coef_show(struct omap_overlay_manager *mgr, - char *buf) -{ - struct omap_overlay_manager_info info; - - mgr->get_manager_info(mgr, &info); - - return snprintf(buf, PAGE_SIZE, - "%d %d %d %d %d %d %d %d %d\n", - info.cpr_coefs.rr, - info.cpr_coefs.rg, - info.cpr_coefs.rb, - info.cpr_coefs.gr, - info.cpr_coefs.gg, - info.cpr_coefs.gb, - info.cpr_coefs.br, - info.cpr_coefs.bg, - info.cpr_coefs.bb); -} - -static ssize_t manager_cpr_coef_store(struct omap_overlay_manager *mgr, - const char *buf, size_t size) -{ - struct omap_overlay_manager_info info; - struct omap_dss_cpr_coefs coefs; - int r, i; - s16 *arr; - - if (!dss_has_feature(FEAT_CPR)) - return -ENODEV; - - if (sscanf(buf, "%hd %hd %hd %hd %hd %hd %hd %hd %hd", - &coefs.rr, &coefs.rg, &coefs.rb, - &coefs.gr, &coefs.gg, &coefs.gb, - &coefs.br, &coefs.bg, &coefs.bb) != 9) - return -EINVAL; - - arr = (s16[]){ coefs.rr, coefs.rg, coefs.rb, - coefs.gr, coefs.gg, coefs.gb, - coefs.br, coefs.bg, coefs.bb }; - - for (i = 0; i < 9; ++i) { - if (arr[i] < -512 || arr[i] > 511) - return -EINVAL; - } - - mgr->get_manager_info(mgr, &info); - - info.cpr_coefs = coefs; - - r = mgr->set_manager_info(mgr, &info); - if (r) - return r; - - r = mgr->apply(mgr); - if (r) - return r; - - return size; -} - -struct manager_attribute { - struct attribute attr; - ssize_t (*show)(struct omap_overlay_manager *, char *); - ssize_t (*store)(struct omap_overlay_manager *, const char *, size_t); -}; - -#define MANAGER_ATTR(_name, _mode, _show, _store) \ - struct manager_attribute manager_attr_##_name = \ - __ATTR(_name, _mode, _show, _store) - -static MANAGER_ATTR(name, S_IRUGO, manager_name_show, NULL); -static MANAGER_ATTR(display, S_IRUGO|S_IWUSR, - manager_display_show, manager_display_store); -static MANAGER_ATTR(default_color, S_IRUGO|S_IWUSR, - manager_default_color_show, manager_default_color_store); -static MANAGER_ATTR(trans_key_type, S_IRUGO|S_IWUSR, - manager_trans_key_type_show, manager_trans_key_type_store); -static MANAGER_ATTR(trans_key_value, S_IRUGO|S_IWUSR, - manager_trans_key_value_show, manager_trans_key_value_store); -static MANAGER_ATTR(trans_key_enabled, S_IRUGO|S_IWUSR, - manager_trans_key_enabled_show, - manager_trans_key_enabled_store); -static MANAGER_ATTR(alpha_blending_enabled, S_IRUGO|S_IWUSR, - manager_alpha_blending_enabled_show, - manager_alpha_blending_enabled_store); -static MANAGER_ATTR(cpr_enable, S_IRUGO|S_IWUSR, - manager_cpr_enable_show, - manager_cpr_enable_store); -static MANAGER_ATTR(cpr_coef, S_IRUGO|S_IWUSR, - manager_cpr_coef_show, - manager_cpr_coef_store); - - -static struct attribute *manager_sysfs_attrs[] = { - &manager_attr_name.attr, - &manager_attr_display.attr, - &manager_attr_default_color.attr, - &manager_attr_trans_key_type.attr, - &manager_attr_trans_key_value.attr, - &manager_attr_trans_key_enabled.attr, - &manager_attr_alpha_blending_enabled.attr, - &manager_attr_cpr_enable.attr, - &manager_attr_cpr_coef.attr, - NULL -}; - -static ssize_t manager_attr_show(struct kobject *kobj, struct attribute *attr, - char *buf) -{ - struct omap_overlay_manager *manager; - struct manager_attribute *manager_attr; - - manager = container_of(kobj, struct omap_overlay_manager, kobj); - manager_attr = container_of(attr, struct manager_attribute, attr); - - if (!manager_attr->show) - return -ENOENT; - - return manager_attr->show(manager, buf); -} - -static ssize_t manager_attr_store(struct kobject *kobj, struct attribute *attr, - const char *buf, size_t size) -{ - struct omap_overlay_manager *manager; - struct manager_attribute *manager_attr; - - manager = container_of(kobj, struct omap_overlay_manager, kobj); - manager_attr = container_of(attr, struct manager_attribute, attr); - - if (!manager_attr->store) - return -ENOENT; - - return manager_attr->store(manager, buf, size); -} - -static const struct sysfs_ops manager_sysfs_ops = { - .show = manager_attr_show, - .store = manager_attr_store, -}; - -static struct kobj_type manager_ktype = { - .sysfs_ops = &manager_sysfs_ops, - .default_attrs = manager_sysfs_attrs, -}; - -int dss_manager_kobj_init(struct omap_overlay_manager *mgr, - struct platform_device *pdev) -{ - return kobject_init_and_add(&mgr->kobj, &manager_ktype, - &pdev->dev.kobj, "manager%d", mgr->id); -} - -void dss_manager_kobj_uninit(struct omap_overlay_manager *mgr) -{ - kobject_del(&mgr->kobj); - kobject_put(&mgr->kobj); - - memset(&mgr->kobj, 0, sizeof(mgr->kobj)); -} diff --git a/drivers/gpu/drm/omapdrm/dss/manager.c b/drivers/gpu/drm/omapdrm/dss/manager.c deleted file mode 100644 index 08a67f4f6a20..000000000000 --- a/drivers/gpu/drm/omapdrm/dss/manager.c +++ /dev/null @@ -1,263 +0,0 @@ -/* - * linux/drivers/video/omap2/dss/manager.c - * - * Copyright (C) 2009 Nokia Corporation - * Author: Tomi Valkeinen tomi.valkeinen@nokia.com - * - * Some code and ideas taken from drivers/video/omap/ driver - * by Imre Deak. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see http://www.gnu.org/licenses/. - */ - -#define DSS_SUBSYS_NAME "MANAGER" - -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/jiffies.h> - -#include <video/omapdss.h> - -#include "dss.h" -#include "dss_features.h" - -static int num_managers; -static struct omap_overlay_manager *managers; - -int dss_init_overlay_managers(void) -{ - int i; - - num_managers = dss_feat_get_num_mgrs(); - - managers = kzalloc(sizeof(struct omap_overlay_manager) * num_managers, - GFP_KERNEL); - - BUG_ON(managers == NULL); - - for (i = 0; i < num_managers; ++i) { - struct omap_overlay_manager *mgr = &managers[i]; - - switch (i) { - case 0: - mgr->name = "lcd"; - mgr->id = OMAP_DSS_CHANNEL_LCD; - break; - case 1: - mgr->name = "tv"; - mgr->id = OMAP_DSS_CHANNEL_DIGIT; - break; - case 2: - mgr->name = "lcd2"; - mgr->id = OMAP_DSS_CHANNEL_LCD2; - break; - case 3: - mgr->name = "lcd3"; - mgr->id = OMAP_DSS_CHANNEL_LCD3; - break; - } - - mgr->caps = 0; - mgr->supported_displays = - dss_feat_get_supported_displays(mgr->id); - mgr->supported_outputs = - dss_feat_get_supported_outputs(mgr->id); - - INIT_LIST_HEAD(&mgr->overlays); - } - - return 0; -} - -int dss_init_overlay_managers_sysfs(struct platform_device *pdev) -{ - int i, r; - - for (i = 0; i < num_managers; ++i) { - struct omap_overlay_manager *mgr = &managers[i]; - - r = dss_manager_kobj_init(mgr, pdev); - if (r) - DSSERR("failed to create sysfs file\n"); - } - - return 0; -} - -void dss_uninit_overlay_managers(void) -{ - kfree(managers); - managers = NULL; - num_managers = 0; -} - -void dss_uninit_overlay_managers_sysfs(struct platform_device *pdev) -{ - int i; - - for (i = 0; i < num_managers; ++i) { - struct omap_overlay_manager *mgr = &managers[i]; - - dss_manager_kobj_uninit(mgr); - } -} - -int omap_dss_get_num_overlay_managers(void) -{ - return num_managers; -} -EXPORT_SYMBOL(omap_dss_get_num_overlay_managers); - -struct omap_overlay_manager *omap_dss_get_overlay_manager(int num) -{ - if (num >= num_managers) - return NULL; - - return &managers[num]; -} -EXPORT_SYMBOL(omap_dss_get_overlay_manager); - -int dss_mgr_simple_check(struct omap_overlay_manager *mgr, - const struct omap_overlay_manager_info *info) -{ - if (dss_has_feature(FEAT_ALPHA_FIXED_ZORDER)) { - /* - * OMAP3 supports only graphics source transparency color key - * and alpha blending simultaneously. See TRM 15.4.2.4.2.2 - * Alpha Mode. - */ - if (info->partial_alpha_enabled && info->trans_enabled - && info->trans_key_type != OMAP_DSS_COLOR_KEY_GFX_DST) { - DSSERR("check_manager: illegal transparency key\n"); - return -EINVAL; - } - } - - return 0; -} - -static int dss_mgr_check_zorder(struct omap_overlay_manager *mgr, - struct omap_overlay_info **overlay_infos) -{ - struct omap_overlay *ovl1, *ovl2; - struct omap_overlay_info *info1, *info2; - - list_for_each_entry(ovl1, &mgr->overlays, list) { - info1 = overlay_infos[ovl1->id]; - - if (info1 == NULL) - continue; - - list_for_each_entry(ovl2, &mgr->overlays, list) { - if (ovl1 == ovl2) - continue; - - info2 = overlay_infos[ovl2->id]; - - if (info2 == NULL) - continue; - - if (info1->zorder == info2->zorder) { - DSSERR("overlays %d and %d have the same " - "zorder %d\n", - ovl1->id, ovl2->id, info1->zorder); - return -EINVAL; - } - } - } - - return 0; -} - -int dss_mgr_check_timings(struct omap_overlay_manager *mgr, - const struct omap_video_timings *timings) -{ - if (!dispc_mgr_timings_ok(mgr->id, timings)) { - DSSERR("check_manager: invalid timings\n"); - return -EINVAL; - } - - return 0; -} - -static int dss_mgr_check_lcd_config(struct omap_overlay_manager *mgr, - const struct dss_lcd_mgr_config *config) -{ - struct dispc_clock_info cinfo = config->clock_info; - int dl = config->video_port_width; - bool stallmode = config->stallmode; - bool fifohandcheck = config->fifohandcheck; - - if (cinfo.lck_div < 1 || cinfo.lck_div > 255) - return -EINVAL; - - if (cinfo.pck_div < 1 || cinfo.pck_div > 255) - return -EINVAL; - - if (dl != 12 && dl != 16 && dl != 18 && dl != 24) - return -EINVAL; - - /* fifohandcheck should be used only with stallmode */ - if (!stallmode && fifohandcheck) - return -EINVAL; - - /* - * io pad mode can be only checked by using dssdev connected to the - * manager. Ignore checking these for now, add checks when manager - * is capable of holding information related to the connected interface - */ - - return 0; -} - -int dss_mgr_check(struct omap_overlay_manager *mgr, - struct omap_overlay_manager_info *info, - const struct omap_video_timings *mgr_timings, - const struct dss_lcd_mgr_config *lcd_config, - struct omap_overlay_info **overlay_infos) -{ - struct omap_overlay *ovl; - int r; - - if (dss_has_feature(FEAT_ALPHA_FREE_ZORDER)) { - r = dss_mgr_check_zorder(mgr, overlay_infos); - if (r) - return r; - } - - r = dss_mgr_check_timings(mgr, mgr_timings); - if (r) - return r; - - r = dss_mgr_check_lcd_config(mgr, lcd_config); - if (r) - return r; - - list_for_each_entry(ovl, &mgr->overlays, list) { - struct omap_overlay_info *oi; - int r; - - oi = overlay_infos[ovl->id]; - - if (oi == NULL) - continue; - - r = dss_ovl_check(ovl, oi, mgr_timings); - if (r) - return r; - } - - return 0; -} diff --git a/drivers/gpu/drm/omapdrm/dss/overlay-sysfs.c b/drivers/gpu/drm/omapdrm/dss/overlay-sysfs.c deleted file mode 100644 index 4cc5ddebfb34..000000000000 --- a/drivers/gpu/drm/omapdrm/dss/overlay-sysfs.c +++ /dev/null @@ -1,456 +0,0 @@ -/* - * Copyright (C) 2009 Nokia Corporation - * Author: Tomi Valkeinen tomi.valkeinen@nokia.com - * - * Some code and ideas taken from drivers/video/omap/ driver - * by Imre Deak. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see http://www.gnu.org/licenses/. - */ - -#define DSS_SUBSYS_NAME "OVERLAY" - -#include <linux/module.h> -#include <linux/err.h> -#include <linux/sysfs.h> -#include <linux/kobject.h> -#include <linux/platform_device.h> - -#include <video/omapdss.h> - -#include "dss.h" -#include "dss_features.h" - -static ssize_t overlay_name_show(struct omap_overlay *ovl, char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%s\n", ovl->name); -} - -static ssize_t overlay_manager_show(struct omap_overlay *ovl, char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%s\n", - ovl->manager ? ovl->manager->name : "<none>"); -} - -static ssize_t overlay_manager_store(struct omap_overlay *ovl, const char *buf, - size_t size) -{ - int i, r; - struct omap_overlay_manager *mgr = NULL; - struct omap_overlay_manager *old_mgr; - int len = size; - - if (buf[size-1] == '\n') - --len; - - if (len > 0) { - for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) { - mgr = omap_dss_get_overlay_manager(i); - - if (sysfs_streq(buf, mgr->name)) - break; - - mgr = NULL; - } - } - - if (len > 0 && mgr == NULL) - return -EINVAL; - - if (mgr) - DSSDBG("manager %s found\n", mgr->name); - - if (mgr == ovl->manager) - return size; - - old_mgr = ovl->manager; - - r = dispc_runtime_get(); - if (r) - return r; - - /* detach old manager */ - if (old_mgr) { - r = ovl->unset_manager(ovl); - if (r) { - DSSERR("detach failed\n"); - goto err; - } - - r = old_mgr->apply(old_mgr); - if (r) - goto err; - } - - if (mgr) { - r = ovl->set_manager(ovl, mgr); - if (r) { - DSSERR("Failed to attach overlay\n"); - goto err; - } - - r = mgr->apply(mgr); - if (r) - goto err; - } - - dispc_runtime_put(); - - return size; - -err: - dispc_runtime_put(); - return r; -} - -static ssize_t overlay_input_size_show(struct omap_overlay *ovl, char *buf) -{ - struct omap_overlay_info info; - - ovl->get_overlay_info(ovl, &info); - - return snprintf(buf, PAGE_SIZE, "%d,%d\n", - info.width, info.height); -} - -static ssize_t overlay_screen_width_show(struct omap_overlay *ovl, char *buf) -{ - struct omap_overlay_info info; - - ovl->get_overlay_info(ovl, &info); - - return snprintf(buf, PAGE_SIZE, "%d\n", info.screen_width); -} - -static ssize_t overlay_position_show(struct omap_overlay *ovl, char *buf) -{ - struct omap_overlay_info info; - - ovl->get_overlay_info(ovl, &info); - - return snprintf(buf, PAGE_SIZE, "%d,%d\n", - info.pos_x, info.pos_y); -} - -static ssize_t overlay_position_store(struct omap_overlay *ovl, - const char *buf, size_t size) -{ - int r; - char *last; - struct omap_overlay_info info; - - ovl->get_overlay_info(ovl, &info); - - info.pos_x = simple_strtoul(buf, &last, 10); - ++last; - if (last - buf >= size) - return -EINVAL; - - info.pos_y = simple_strtoul(last, &last, 10); - - r = ovl->set_overlay_info(ovl, &info); - if (r) - return r; - - if (ovl->manager) { - r = ovl->manager->apply(ovl->manager); - if (r) - return r; - } - - return size; -} - -static ssize_t overlay_output_size_show(struct omap_overlay *ovl, char *buf) -{ - struct omap_overlay_info info; - - ovl->get_overlay_info(ovl, &info); - - return snprintf(buf, PAGE_SIZE, "%d,%d\n", - info.out_width, info.out_height); -} - -static ssize_t overlay_output_size_store(struct omap_overlay *ovl, - const char *buf, size_t size) -{ - int r; - char *last; - struct omap_overlay_info info; - - ovl->get_overlay_info(ovl, &info); - - info.out_width = simple_strtoul(buf, &last, 10); - ++last; - if (last - buf >= size) - return -EINVAL; - - info.out_height = simple_strtoul(last, &last, 10); - - r = ovl->set_overlay_info(ovl, &info); - if (r) - return r; - - if (ovl->manager) { - r = ovl->manager->apply(ovl->manager); - if (r) - return r; - } - - return size; -} - -static ssize_t overlay_enabled_show(struct omap_overlay *ovl, char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%d\n", ovl->is_enabled(ovl)); -} - -static ssize_t overlay_enabled_store(struct omap_overlay *ovl, const char *buf, - size_t size) -{ - int r; - bool enable; - - r = strtobool(buf, &enable); - if (r) - return r; - - if (enable) - r = ovl->enable(ovl); - else - r = ovl->disable(ovl); - - if (r) - return r; - - return size; -} - -static ssize_t overlay_global_alpha_show(struct omap_overlay *ovl, char *buf) -{ - struct omap_overlay_info info; - - ovl->get_overlay_info(ovl, &info); - - return snprintf(buf, PAGE_SIZE, "%d\n", - info.global_alpha); -} - -static ssize_t overlay_global_alpha_store(struct omap_overlay *ovl, - const char *buf, size_t size) -{ - int r; - u8 alpha; - struct omap_overlay_info info; - - if ((ovl->caps & OMAP_DSS_OVL_CAP_GLOBAL_ALPHA) == 0) - return -ENODEV; - - r = kstrtou8(buf, 0, &alpha); - if (r) - return r; - - ovl->get_overlay_info(ovl, &info); - - info.global_alpha = alpha; - - r = ovl->set_overlay_info(ovl, &info); - if (r) - return r; - - if (ovl->manager) { - r = ovl->manager->apply(ovl->manager); - if (r) - return r; - } - - return size; -} - -static ssize_t overlay_pre_mult_alpha_show(struct omap_overlay *ovl, - char *buf) -{ - struct omap_overlay_info info; - - ovl->get_overlay_info(ovl, &info); - - return snprintf(buf, PAGE_SIZE, "%d\n", - info.pre_mult_alpha); -} - -static ssize_t overlay_pre_mult_alpha_store(struct omap_overlay *ovl, - const char *buf, size_t size) -{ - int r; - u8 alpha; - struct omap_overlay_info info; - - if ((ovl->caps & OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA) == 0) - return -ENODEV; - - r = kstrtou8(buf, 0, &alpha); - if (r) - return r; - - ovl->get_overlay_info(ovl, &info); - - info.pre_mult_alpha = alpha; - - r = ovl->set_overlay_info(ovl, &info); - if (r) - return r; - - if (ovl->manager) { - r = ovl->manager->apply(ovl->manager); - if (r) - return r; - } - - return size; -} - -static ssize_t overlay_zorder_show(struct omap_overlay *ovl, char *buf) -{ - struct omap_overlay_info info; - - ovl->get_overlay_info(ovl, &info); - - return snprintf(buf, PAGE_SIZE, "%d\n", info.zorder); -} - -static ssize_t overlay_zorder_store(struct omap_overlay *ovl, - const char *buf, size_t size) -{ - int r; - u8 zorder; - struct omap_overlay_info info; - - if ((ovl->caps & OMAP_DSS_OVL_CAP_ZORDER) == 0) - return -ENODEV; - - r = kstrtou8(buf, 0, &zorder); - if (r) - return r; - - ovl->get_overlay_info(ovl, &info); - - info.zorder = zorder; - - r = ovl->set_overlay_info(ovl, &info); - if (r) - return r; - - if (ovl->manager) { - r = ovl->manager->apply(ovl->manager); - if (r) - return r; - } - - return size; -} - -struct overlay_attribute { - struct attribute attr; - ssize_t (*show)(struct omap_overlay *, char *); - ssize_t (*store)(struct omap_overlay *, const char *, size_t); -}; - -#define OVERLAY_ATTR(_name, _mode, _show, _store) \ - struct overlay_attribute overlay_attr_##_name = \ - __ATTR(_name, _mode, _show, _store) - -static OVERLAY_ATTR(name, S_IRUGO, overlay_name_show, NULL); -static OVERLAY_ATTR(manager, S_IRUGO|S_IWUSR, - overlay_manager_show, overlay_manager_store); -static OVERLAY_ATTR(input_size, S_IRUGO, overlay_input_size_show, NULL); -static OVERLAY_ATTR(screen_width, S_IRUGO, overlay_screen_width_show, NULL); -static OVERLAY_ATTR(position, S_IRUGO|S_IWUSR, - overlay_position_show, overlay_position_store); -static OVERLAY_ATTR(output_size, S_IRUGO|S_IWUSR, - overlay_output_size_show, overlay_output_size_store); -static OVERLAY_ATTR(enabled, S_IRUGO|S_IWUSR, - overlay_enabled_show, overlay_enabled_store); -static OVERLAY_ATTR(global_alpha, S_IRUGO|S_IWUSR, - overlay_global_alpha_show, overlay_global_alpha_store); -static OVERLAY_ATTR(pre_mult_alpha, S_IRUGO|S_IWUSR, - overlay_pre_mult_alpha_show, - overlay_pre_mult_alpha_store); -static OVERLAY_ATTR(zorder, S_IRUGO|S_IWUSR, - overlay_zorder_show, overlay_zorder_store); - -static struct attribute *overlay_sysfs_attrs[] = { - &overlay_attr_name.attr, - &overlay_attr_manager.attr, - &overlay_attr_input_size.attr, - &overlay_attr_screen_width.attr, - &overlay_attr_position.attr, - &overlay_attr_output_size.attr, - &overlay_attr_enabled.attr, - &overlay_attr_global_alpha.attr, - &overlay_attr_pre_mult_alpha.attr, - &overlay_attr_zorder.attr, - NULL -}; - -static ssize_t overlay_attr_show(struct kobject *kobj, struct attribute *attr, - char *buf) -{ - struct omap_overlay *overlay; - struct overlay_attribute *overlay_attr; - - overlay = container_of(kobj, struct omap_overlay, kobj); - overlay_attr = container_of(attr, struct overlay_attribute, attr); - - if (!overlay_attr->show) - return -ENOENT; - - return overlay_attr->show(overlay, buf); -} - -static ssize_t overlay_attr_store(struct kobject *kobj, struct attribute *attr, - const char *buf, size_t size) -{ - struct omap_overlay *overlay; - struct overlay_attribute *overlay_attr; - - overlay = container_of(kobj, struct omap_overlay, kobj); - overlay_attr = container_of(attr, struct overlay_attribute, attr); - - if (!overlay_attr->store) - return -ENOENT; - - return overlay_attr->store(overlay, buf, size); -} - -static const struct sysfs_ops overlay_sysfs_ops = { - .show = overlay_attr_show, - .store = overlay_attr_store, -}; - -static struct kobj_type overlay_ktype = { - .sysfs_ops = &overlay_sysfs_ops, - .default_attrs = overlay_sysfs_attrs, -}; - -int dss_overlay_kobj_init(struct omap_overlay *ovl, - struct platform_device *pdev) -{ - return kobject_init_and_add(&ovl->kobj, &overlay_ktype, - &pdev->dev.kobj, "overlay%d", ovl->id); -} - -void dss_overlay_kobj_uninit(struct omap_overlay *ovl) -{ - kobject_del(&ovl->kobj); - kobject_put(&ovl->kobj); -} diff --git a/drivers/gpu/drm/omapdrm/dss/overlay.c b/drivers/gpu/drm/omapdrm/dss/overlay.c deleted file mode 100644 index 2f7cee985cdd..000000000000 --- a/drivers/gpu/drm/omapdrm/dss/overlay.c +++ /dev/null @@ -1,202 +0,0 @@ -/* - * linux/drivers/video/omap2/dss/overlay.c - * - * Copyright (C) 2009 Nokia Corporation - * Author: Tomi Valkeinen tomi.valkeinen@nokia.com - * - * Some code and ideas taken from drivers/video/omap/ driver - * by Imre Deak. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see http://www.gnu.org/licenses/. - */ - -#define DSS_SUBSYS_NAME "OVERLAY" - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/err.h> -#include <linux/sysfs.h> -#include <linux/platform_device.h> -#include <linux/delay.h> -#include <linux/slab.h> - -#include <video/omapdss.h> - -#include "dss.h" -#include "dss_features.h" - -static int num_overlays; -static struct omap_overlay *overlays; - -int omap_dss_get_num_overlays(void) -{ - return num_overlays; -} -EXPORT_SYMBOL(omap_dss_get_num_overlays); - -struct omap_overlay *omap_dss_get_overlay(int num) -{ - if (num >= num_overlays) - return NULL; - - return &overlays[num]; -} -EXPORT_SYMBOL(omap_dss_get_overlay); - -void dss_init_overlays(struct platform_device *pdev) -{ - int i, r; - - num_overlays = dss_feat_get_num_ovls(); - - overlays = kzalloc(sizeof(struct omap_overlay) * num_overlays, - GFP_KERNEL); - - BUG_ON(overlays == NULL); - - for (i = 0; i < num_overlays; ++i) { - struct omap_overlay *ovl = &overlays[i]; - - switch (i) { - case 0: - ovl->name = "gfx"; - ovl->id = OMAP_DSS_GFX; - break; - case 1: - ovl->name = "vid1"; - ovl->id = OMAP_DSS_VIDEO1; - break; - case 2: - ovl->name = "vid2"; - ovl->id = OMAP_DSS_VIDEO2; - break; - case 3: - ovl->name = "vid3"; - ovl->id = OMAP_DSS_VIDEO3; - break; - } - - ovl->caps = dss_feat_get_overlay_caps(ovl->id); - ovl->supported_modes = - dss_feat_get_supported_color_modes(ovl->id); - - r = dss_overlay_kobj_init(ovl, pdev); - if (r) - DSSERR("failed to create sysfs file\n"); - } -} - -void dss_uninit_overlays(struct platform_device *pdev) -{ - int i; - - for (i = 0; i < num_overlays; ++i) { - struct omap_overlay *ovl = &overlays[i]; - dss_overlay_kobj_uninit(ovl); - } - - kfree(overlays); - overlays = NULL; - num_overlays = 0; -} - -int dss_ovl_simple_check(struct omap_overlay *ovl, - const struct omap_overlay_info *info) -{ - if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) { - if (info->out_width != 0 && info->width != info->out_width) { - DSSERR("check_overlay: overlay %d doesn't support " - "scaling\n", ovl->id); - return -EINVAL; - } - - if (info->out_height != 0 && info->height != info->out_height) { - DSSERR("check_overlay: overlay %d doesn't support " - "scaling\n", ovl->id); - return -EINVAL; - } - } - - if ((ovl->supported_modes & info->color_mode) == 0) { - DSSERR("check_overlay: overlay %d doesn't support mode %d\n", - ovl->id, info->color_mode); - return -EINVAL; - } - - if (info->zorder >= omap_dss_get_num_overlays()) { - DSSERR("check_overlay: zorder %d too high\n", info->zorder); - return -EINVAL; - } - - if (dss_feat_rotation_type_supported(info->rotation_type) == 0) { - DSSERR("check_overlay: rotation type %d not supported\n", - info->rotation_type); - return -EINVAL; - } - - return 0; -} - -int dss_ovl_check(struct omap_overlay *ovl, struct omap_overlay_info *info, - const struct omap_video_timings *mgr_timings) -{ - u16 outw, outh; - u16 dw, dh; - - dw = mgr_timings->x_res; - dh = mgr_timings->y_res; - - if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) { - outw = info->width; - outh = info->height; - } else { - if (info->out_width == 0) - outw = info->width; - else - outw = info->out_width; - - if (info->out_height == 0) - outh = info->height; - else - outh = info->out_height; - } - - if (dw < info->pos_x + outw) { - DSSERR("overlay %d horizontally not inside the display area " - "(%d + %d >= %d)\n", - ovl->id, info->pos_x, outw, dw); - return -EINVAL; - } - - if (dh < info->pos_y + outh) { - DSSERR("overlay %d vertically not inside the display area " - "(%d + %d >= %d)\n", - ovl->id, info->pos_y, outh, dh); - return -EINVAL; - } - - return 0; -} - -/* - * Checks if replication logic should be used. Only use when overlay is in - * RGB12U or RGB16 mode, and video port width interface is 18bpp or 24bpp - */ -bool dss_ovl_use_replication(struct dss_lcd_mgr_config config, - enum omap_color_mode mode) -{ - if (mode != OMAP_DSS_COLOR_RGB12U && mode != OMAP_DSS_COLOR_RGB16) - return false; - - return config.video_port_width > 16; -}