| /* |
| * drivers/staging/omapdrm/omap_drv.c |
| * |
| * Copyright (C) 2011 Texas Instruments |
| * Author: Rob Clark <rob@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/>. |
| */ |
| |
| #include "omap_drv.h" |
| |
| #include "drm_crtc_helper.h" |
| #include "drm_fb_helper.h" |
| |
| #define DRIVER_NAME MODULE_NAME |
| #define DRIVER_DESC "OMAP DRM" |
| #define DRIVER_DATE "20110917" |
| #define DRIVER_MAJOR 1 |
| #define DRIVER_MINOR 0 |
| #define DRIVER_PATCHLEVEL 0 |
| |
| struct drm_device *drm_device; |
| |
| static int num_crtc = CONFIG_DRM_OMAP_NUM_CRTCS; |
| |
| MODULE_PARM_DESC(num_crtc, "Number of overlays to use as CRTCs"); |
| module_param(num_crtc, int, 0600); |
| |
| /* |
| * mode config funcs |
| */ |
| |
| /* Notes about mapping DSS and DRM entities: |
| * CRTC: overlay |
| * encoder: manager.. with some extension to allow one primary CRTC |
| * and zero or more video CRTC's to be mapped to one encoder? |
| * connector: dssdev.. manager can be attached/detached from different |
| * devices |
| */ |
| |
| static void omap_fb_output_poll_changed(struct drm_device *dev) |
| { |
| struct omap_drm_private *priv = dev->dev_private; |
| DBG("dev=%p", dev); |
| if (priv->fbdev) { |
| drm_fb_helper_hotplug_event(priv->fbdev); |
| } |
| } |
| |
| static struct drm_mode_config_funcs omap_mode_config_funcs = { |
| .fb_create = omap_framebuffer_create, |
| .output_poll_changed = omap_fb_output_poll_changed, |
| }; |
| |
| static int get_connector_type(struct omap_dss_device *dssdev) |
| { |
| switch (dssdev->type) { |
| case OMAP_DISPLAY_TYPE_HDMI: |
| return DRM_MODE_CONNECTOR_HDMIA; |
| case OMAP_DISPLAY_TYPE_DPI: |
| if (!strcmp(dssdev->name, "dvi")) |
| return DRM_MODE_CONNECTOR_DVID; |
| /* fallthrough */ |
| default: |
| return DRM_MODE_CONNECTOR_Unknown; |
| } |
| } |
| |
| #if 0 /* enable when dss2 supports hotplug */ |
| static int omap_drm_notifier(struct notifier_block *nb, |
| unsigned long evt, void *arg) |
| { |
| switch (evt) { |
| case OMAP_DSS_SIZE_CHANGE: |
| case OMAP_DSS_HOTPLUG_CONNECT: |
| case OMAP_DSS_HOTPLUG_DISCONNECT: { |
| struct drm_device *dev = drm_device; |
| DBG("hotplug event: evt=%d, dev=%p", evt, dev); |
| if (dev) { |
| drm_sysfs_hotplug_event(dev); |
| } |
| return NOTIFY_OK; |
| } |
| default: /* don't care about other events for now */ |
| return NOTIFY_DONE; |
| } |
| } |
| #endif |
| |
| static void dump_video_chains(void) |
| { |
| int i; |
| |
| DBG("dumping video chains: "); |
| for (i = 0; i < omap_dss_get_num_overlays(); i++) { |
| struct omap_overlay *ovl = omap_dss_get_overlay(i); |
| struct omap_overlay_manager *mgr = ovl->manager; |
| struct omap_dss_device *dssdev = mgr ? mgr->device : NULL; |
| if (dssdev) { |
| DBG("%d: %s -> %s -> %s", i, ovl->name, mgr->name, |
| dssdev->name); |
| } else if (mgr) { |
| DBG("%d: %s -> %s", i, ovl->name, mgr->name); |
| } else { |
| DBG("%d: %s", i, ovl->name); |
| } |
| } |
| } |
| |
| /* create encoders for each manager */ |
| static int create_encoder(struct drm_device *dev, |
| struct omap_overlay_manager *mgr) |
| { |
| struct omap_drm_private *priv = dev->dev_private; |
| struct drm_encoder *encoder = omap_encoder_init(dev, mgr); |
| |
| if (!encoder) { |
| dev_err(dev->dev, "could not create encoder: %s\n", |
| mgr->name); |
| return -ENOMEM; |
| } |
| |
| BUG_ON(priv->num_encoders >= ARRAY_SIZE(priv->encoders)); |
| |
| priv->encoders[priv->num_encoders++] = encoder; |
| |
| return 0; |
| } |
| |
| /* create connectors for each display device */ |
| static int create_connector(struct drm_device *dev, |
| struct omap_dss_device *dssdev) |
| { |
| struct omap_drm_private *priv = dev->dev_private; |
| static struct notifier_block *notifier; |
| struct drm_connector *connector; |
| int j; |
| |
| if (!dssdev->driver) { |
| dev_warn(dev->dev, "%s has no driver.. skipping it\n", |
| dssdev->name); |
| return 0; |
| } |
| |
| if (!(dssdev->driver->get_timings || |
| dssdev->driver->read_edid)) { |
| dev_warn(dev->dev, "%s driver does not support " |
| "get_timings or read_edid.. skipping it!\n", |
| dssdev->name); |
| return 0; |
| } |
| |
| connector = omap_connector_init(dev, |
| get_connector_type(dssdev), dssdev); |
| |
| if (!connector) { |
| dev_err(dev->dev, "could not create connector: %s\n", |
| dssdev->name); |
| return -ENOMEM; |
| } |
| |
| BUG_ON(priv->num_connectors >= ARRAY_SIZE(priv->connectors)); |
| |
| priv->connectors[priv->num_connectors++] = connector; |
| |
| #if 0 /* enable when dss2 supports hotplug */ |
| notifier = kzalloc(sizeof(struct notifier_block), GFP_KERNEL); |
| notifier->notifier_call = omap_drm_notifier; |
| omap_dss_add_notify(dssdev, notifier); |
| #else |
| notifier = NULL; |
| #endif |
| |
| for (j = 0; j < priv->num_encoders; j++) { |
| struct omap_overlay_manager *mgr = |
| omap_encoder_get_manager(priv->encoders[j]); |
| if (mgr->device == dssdev) { |
| drm_mode_connector_attach_encoder(connector, |
| priv->encoders[j]); |
| } |
| } |
| |
| return 0; |
| } |
| |
| /* create up to max_overlays CRTCs mapping to overlays.. by default, |
| * connect the overlays to different managers/encoders, giving priority |
| * to encoders connected to connectors with a detected connection |
| */ |
| static int create_crtc(struct drm_device *dev, struct omap_overlay *ovl, |
| int *j, unsigned int connected_connectors) |
| { |
| struct omap_drm_private *priv = dev->dev_private; |
| struct omap_overlay_manager *mgr = NULL; |
| struct drm_crtc *crtc; |
| |
| if (ovl->manager) { |
| DBG("disconnecting %s from %s", ovl->name, |
| ovl->manager->name); |
| ovl->unset_manager(ovl); |
| } |
| |
| /* find next best connector, ones with detected connection first |
| */ |
| while (*j < priv->num_connectors && !mgr) { |
| if (connected_connectors & (1 << *j)) { |
| struct drm_encoder *encoder = |
| omap_connector_attached_encoder( |
| priv->connectors[*j]); |
| if (encoder) { |
| mgr = omap_encoder_get_manager(encoder); |
| } |
| } |
| (*j)++; |
| } |
| |
| /* if we couldn't find another connected connector, lets start |
| * looking at the unconnected connectors: |
| * |
| * note: it might not be immediately apparent, but thanks to |
| * the !mgr check in both this loop and the one above, the only |
| * way to enter this loop is with *j == priv->num_connectors, |
| * so idx can never go negative. |
| */ |
| while (*j < 2 * priv->num_connectors && !mgr) { |
| int idx = *j - priv->num_connectors; |
| if (!(connected_connectors & (1 << idx))) { |
| struct drm_encoder *encoder = |
| omap_connector_attached_encoder( |
| priv->connectors[idx]); |
| if (encoder) { |
| mgr = omap_encoder_get_manager(encoder); |
| } |
| } |
| (*j)++; |
| } |
| |
| if (mgr) { |
| DBG("connecting %s to %s", ovl->name, mgr->name); |
| ovl->set_manager(ovl, mgr); |
| } |
| |
| crtc = omap_crtc_init(dev, ovl, priv->num_crtcs); |
| |
| if (!crtc) { |
| dev_err(dev->dev, "could not create CRTC: %s\n", |
| ovl->name); |
| return -ENOMEM; |
| } |
| |
| BUG_ON(priv->num_crtcs >= ARRAY_SIZE(priv->crtcs)); |
| |
| priv->crtcs[priv->num_crtcs++] = crtc; |
| |
| return 0; |
| } |
| |
| static int match_dev_name(struct omap_dss_device *dssdev, void *data) |
| { |
| return !strcmp(dssdev->name, data); |
| } |
| |
| static unsigned int detect_connectors(struct drm_device *dev) |
| { |
| struct omap_drm_private *priv = dev->dev_private; |
| unsigned int connected_connectors = 0; |
| int i; |
| |
| for (i = 0; i < priv->num_connectors; i++) { |
| struct drm_connector *connector = priv->connectors[i]; |
| if (omap_connector_detect(connector, true) == |
| connector_status_connected) { |
| connected_connectors |= (1 << i); |
| } |
| } |
| |
| return connected_connectors; |
| } |
| |
| static int omap_modeset_init(struct drm_device *dev) |
| { |
| const struct omap_drm_platform_data *pdata = dev->dev->platform_data; |
| struct omap_kms_platform_data *kms_pdata = NULL; |
| struct omap_drm_private *priv = dev->dev_private; |
| struct omap_dss_device *dssdev = NULL; |
| int i, j; |
| unsigned int connected_connectors = 0; |
| |
| drm_mode_config_init(dev); |
| |
| if (pdata && pdata->kms_pdata) { |
| kms_pdata = pdata->kms_pdata; |
| |
| /* if platform data is provided by the board file, use it to |
| * control which overlays, managers, and devices we own. |
| */ |
| for (i = 0; i < kms_pdata->mgr_cnt; i++) { |
| struct omap_overlay_manager *mgr = |
| omap_dss_get_overlay_manager( |
| kms_pdata->mgr_ids[i]); |
| create_encoder(dev, mgr); |
| } |
| |
| for (i = 0; i < kms_pdata->dev_cnt; i++) { |
| struct omap_dss_device *dssdev = |
| omap_dss_find_device( |
| (void *)kms_pdata->dev_names[i], |
| match_dev_name); |
| if (!dssdev) { |
| dev_warn(dev->dev, "no such dssdev: %s\n", |
| kms_pdata->dev_names[i]); |
| continue; |
| } |
| create_connector(dev, dssdev); |
| } |
| |
| connected_connectors = detect_connectors(dev); |
| |
| j = 0; |
| for (i = 0; i < kms_pdata->ovl_cnt; i++) { |
| struct omap_overlay *ovl = |
| omap_dss_get_overlay(kms_pdata->ovl_ids[i]); |
| create_crtc(dev, ovl, &j, connected_connectors); |
| } |
| } else { |
| /* otherwise just grab up to CONFIG_DRM_OMAP_NUM_CRTCS and try |
| * to make educated guesses about everything else |
| */ |
| int max_overlays = min(omap_dss_get_num_overlays(), num_crtc); |
| |
| for (i = 0; i < omap_dss_get_num_overlay_managers(); i++) { |
| create_encoder(dev, omap_dss_get_overlay_manager(i)); |
| } |
| |
| for_each_dss_dev(dssdev) { |
| create_connector(dev, dssdev); |
| } |
| |
| connected_connectors = detect_connectors(dev); |
| |
| j = 0; |
| for (i = 0; i < max_overlays; i++) { |
| create_crtc(dev, omap_dss_get_overlay(i), |
| &j, connected_connectors); |
| } |
| } |
| |
| /* for now keep the mapping of CRTCs and encoders static.. */ |
| for (i = 0; i < priv->num_encoders; i++) { |
| struct drm_encoder *encoder = priv->encoders[i]; |
| struct omap_overlay_manager *mgr = |
| omap_encoder_get_manager(encoder); |
| |
| encoder->possible_crtcs = 0; |
| |
| for (j = 0; j < priv->num_crtcs; j++) { |
| struct omap_overlay *ovl = |
| omap_crtc_get_overlay(priv->crtcs[j]); |
| if (ovl->manager == mgr) { |
| encoder->possible_crtcs |= (1 << j); |
| } |
| } |
| |
| DBG("%s: possible_crtcs=%08x", mgr->name, |
| encoder->possible_crtcs); |
| } |
| |
| dump_video_chains(); |
| |
| dev->mode_config.min_width = 256; |
| dev->mode_config.min_height = 256; |
| |
| /* note: eventually will need some cpu_is_omapXYZ() type stuff here |
| * to fill in these limits properly on different OMAP generations.. |
| */ |
| dev->mode_config.max_width = 2048; |
| dev->mode_config.max_height = 2048; |
| |
| dev->mode_config.funcs = &omap_mode_config_funcs; |
| |
| return 0; |
| } |
| |
| static void omap_modeset_free(struct drm_device *dev) |
| { |
| drm_mode_config_cleanup(dev); |
| } |
| |
| /* |
| * drm ioctl funcs |
| */ |
| |
| |
| static int ioctl_get_param(struct drm_device *dev, void *data, |
| struct drm_file *file_priv) |
| { |
| struct drm_omap_param *args = data; |
| |
| DBG("%p: param=%llu", dev, args->param); |
| |
| switch (args->param) { |
| case OMAP_PARAM_CHIPSET_ID: |
| args->value = GET_OMAP_TYPE; |
| break; |
| default: |
| DBG("unknown parameter %lld", args->param); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int ioctl_set_param(struct drm_device *dev, void *data, |
| struct drm_file *file_priv) |
| { |
| struct drm_omap_param *args = data; |
| |
| switch (args->param) { |
| default: |
| DBG("unknown parameter %lld", args->param); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int ioctl_gem_new(struct drm_device *dev, void *data, |
| struct drm_file *file_priv) |
| { |
| struct drm_omap_gem_new *args = data; |
| DBG("%p:%p: size=0x%08x, flags=%08x", dev, file_priv, |
| args->size.bytes, args->flags); |
| return omap_gem_new_handle(dev, file_priv, args->size, |
| args->flags, &args->handle); |
| } |
| |
| static int ioctl_gem_cpu_prep(struct drm_device *dev, void *data, |
| struct drm_file *file_priv) |
| { |
| struct drm_omap_gem_cpu_prep *args = data; |
| struct drm_gem_object *obj; |
| int ret; |
| |
| VERB("%p:%p: handle=%d, op=%x", dev, file_priv, args->handle, args->op); |
| |
| obj = drm_gem_object_lookup(dev, file_priv, args->handle); |
| if (!obj) { |
| return -ENOENT; |
| } |
| |
| ret = omap_gem_op_sync(obj, args->op); |
| |
| if (!ret) { |
| ret = omap_gem_op_start(obj, args->op); |
| } |
| |
| drm_gem_object_unreference_unlocked(obj); |
| |
| return ret; |
| } |
| |
| static int ioctl_gem_cpu_fini(struct drm_device *dev, void *data, |
| struct drm_file *file_priv) |
| { |
| struct drm_omap_gem_cpu_fini *args = data; |
| struct drm_gem_object *obj; |
| int ret; |
| |
| VERB("%p:%p: handle=%d", dev, file_priv, args->handle); |
| |
| obj = drm_gem_object_lookup(dev, file_priv, args->handle); |
| if (!obj) { |
| return -ENOENT; |
| } |
| |
| /* XXX flushy, flushy */ |
| ret = 0; |
| |
| if (!ret) { |
| ret = omap_gem_op_finish(obj, args->op); |
| } |
| |
| drm_gem_object_unreference_unlocked(obj); |
| |
| return ret; |
| } |
| |
| static int ioctl_gem_info(struct drm_device *dev, void *data, |
| struct drm_file *file_priv) |
| { |
| struct drm_omap_gem_info *args = data; |
| struct drm_gem_object *obj; |
| int ret = 0; |
| |
| DBG("%p:%p: handle=%d", dev, file_priv, args->handle); |
| |
| obj = drm_gem_object_lookup(dev, file_priv, args->handle); |
| if (!obj) { |
| return -ENOENT; |
| } |
| |
| args->size = omap_gem_mmap_size(obj); |
| args->offset = omap_gem_mmap_offset(obj); |
| |
| drm_gem_object_unreference_unlocked(obj); |
| |
| return ret; |
| } |
| |
| struct drm_ioctl_desc ioctls[DRM_COMMAND_END - DRM_COMMAND_BASE] = { |
| DRM_IOCTL_DEF_DRV(OMAP_GET_PARAM, ioctl_get_param, DRM_UNLOCKED|DRM_AUTH), |
| DRM_IOCTL_DEF_DRV(OMAP_SET_PARAM, ioctl_set_param, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
| DRM_IOCTL_DEF_DRV(OMAP_GEM_NEW, ioctl_gem_new, DRM_UNLOCKED|DRM_AUTH), |
| DRM_IOCTL_DEF_DRV(OMAP_GEM_CPU_PREP, ioctl_gem_cpu_prep, DRM_UNLOCKED|DRM_AUTH), |
| DRM_IOCTL_DEF_DRV(OMAP_GEM_CPU_FINI, ioctl_gem_cpu_fini, DRM_UNLOCKED|DRM_AUTH), |
| DRM_IOCTL_DEF_DRV(OMAP_GEM_INFO, ioctl_gem_info, DRM_UNLOCKED|DRM_AUTH), |
| }; |
| |
| /* |
| * drm driver funcs |
| */ |
| |
| /** |
| * load - setup chip and create an initial config |
| * @dev: DRM device |
| * @flags: startup flags |
| * |
| * The driver load routine has to do several things: |
| * - initialize the memory manager |
| * - allocate initial config memory |
| * - setup the DRM framebuffer with the allocated memory |
| */ |
| static int dev_load(struct drm_device *dev, unsigned long flags) |
| { |
| struct omap_drm_private *priv; |
| int ret; |
| |
| DBG("load: dev=%p", dev); |
| |
| drm_device = dev; |
| |
| priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
| if (!priv) { |
| dev_err(dev->dev, "could not allocate priv\n"); |
| return -ENOMEM; |
| } |
| |
| dev->dev_private = priv; |
| |
| omap_gem_init(dev); |
| |
| ret = omap_modeset_init(dev); |
| if (ret) { |
| dev_err(dev->dev, "omap_modeset_init failed: ret=%d\n", ret); |
| dev->dev_private = NULL; |
| kfree(priv); |
| return ret; |
| } |
| |
| priv->fbdev = omap_fbdev_init(dev); |
| if (!priv->fbdev) { |
| dev_warn(dev->dev, "omap_fbdev_init failed\n"); |
| /* well, limp along without an fbdev.. maybe X11 will work? */ |
| } |
| |
| drm_kms_helper_poll_init(dev); |
| |
| ret = drm_vblank_init(dev, priv->num_crtcs); |
| if (ret) { |
| dev_warn(dev->dev, "could not init vblank\n"); |
| } |
| |
| return 0; |
| } |
| |
| static int dev_unload(struct drm_device *dev) |
| { |
| DBG("unload: dev=%p", dev); |
| |
| drm_vblank_cleanup(dev); |
| drm_kms_helper_poll_fini(dev); |
| |
| omap_fbdev_free(dev); |
| omap_modeset_free(dev); |
| omap_gem_deinit(dev); |
| |
| kfree(dev->dev_private); |
| dev->dev_private = NULL; |
| |
| return 0; |
| } |
| |
| static int dev_open(struct drm_device *dev, struct drm_file *file) |
| { |
| file->driver_priv = NULL; |
| |
| DBG("open: dev=%p, file=%p", dev, file); |
| |
| return 0; |
| } |
| |
| static int dev_firstopen(struct drm_device *dev) |
| { |
| DBG("firstopen: dev=%p", dev); |
| return 0; |
| } |
| |
| /** |
| * lastclose - clean up after all DRM clients have exited |
| * @dev: DRM device |
| * |
| * Take care of cleaning up after all DRM clients have exited. In the |
| * mode setting case, we want to restore the kernel's initial mode (just |
| * in case the last client left us in a bad state). |
| */ |
| static void dev_lastclose(struct drm_device *dev) |
| { |
| /* we don't support vga-switcheroo.. so just make sure the fbdev |
| * mode is active |
| */ |
| struct omap_drm_private *priv = dev->dev_private; |
| int ret; |
| |
| DBG("lastclose: dev=%p", dev); |
| |
| ret = drm_fb_helper_restore_fbdev_mode(priv->fbdev); |
| if (ret) |
| DBG("failed to restore crtc mode"); |
| } |
| |
| static void dev_preclose(struct drm_device *dev, struct drm_file *file) |
| { |
| DBG("preclose: dev=%p", dev); |
| } |
| |
| static void dev_postclose(struct drm_device *dev, struct drm_file *file) |
| { |
| DBG("postclose: dev=%p, file=%p", dev, file); |
| } |
| |
| /** |
| * enable_vblank - enable vblank interrupt events |
| * @dev: DRM device |
| * @crtc: which irq to enable |
| * |
| * Enable vblank interrupts for @crtc. If the device doesn't have |
| * a hardware vblank counter, this routine should be a no-op, since |
| * interrupts will have to stay on to keep the count accurate. |
| * |
| * RETURNS |
| * Zero on success, appropriate errno if the given @crtc's vblank |
| * interrupt cannot be enabled. |
| */ |
| static int dev_enable_vblank(struct drm_device *dev, int crtc) |
| { |
| DBG("enable_vblank: dev=%p, crtc=%d", dev, crtc); |
| return 0; |
| } |
| |
| /** |
| * disable_vblank - disable vblank interrupt events |
| * @dev: DRM device |
| * @crtc: which irq to enable |
| * |
| * Disable vblank interrupts for @crtc. If the device doesn't have |
| * a hardware vblank counter, this routine should be a no-op, since |
| * interrupts will have to stay on to keep the count accurate. |
| */ |
| static void dev_disable_vblank(struct drm_device *dev, int crtc) |
| { |
| DBG("disable_vblank: dev=%p, crtc=%d", dev, crtc); |
| } |
| |
| static irqreturn_t dev_irq_handler(DRM_IRQ_ARGS) |
| { |
| return IRQ_HANDLED; |
| } |
| |
| static void dev_irq_preinstall(struct drm_device *dev) |
| { |
| DBG("irq_preinstall: dev=%p", dev); |
| } |
| |
| static int dev_irq_postinstall(struct drm_device *dev) |
| { |
| DBG("irq_postinstall: dev=%p", dev); |
| return 0; |
| } |
| |
| static void dev_irq_uninstall(struct drm_device *dev) |
| { |
| DBG("irq_uninstall: dev=%p", dev); |
| } |
| |
| static struct vm_operations_struct omap_gem_vm_ops = { |
| .fault = omap_gem_fault, |
| .open = drm_gem_vm_open, |
| .close = drm_gem_vm_close, |
| }; |
| |
| static struct drm_driver omap_drm_driver = { |
| .driver_features = |
| DRIVER_HAVE_IRQ | DRIVER_MODESET | DRIVER_GEM, |
| .load = dev_load, |
| .unload = dev_unload, |
| .open = dev_open, |
| .firstopen = dev_firstopen, |
| .lastclose = dev_lastclose, |
| .preclose = dev_preclose, |
| .postclose = dev_postclose, |
| .get_vblank_counter = drm_vblank_count, |
| .enable_vblank = dev_enable_vblank, |
| .disable_vblank = dev_disable_vblank, |
| .irq_preinstall = dev_irq_preinstall, |
| .irq_postinstall = dev_irq_postinstall, |
| .irq_uninstall = dev_irq_uninstall, |
| .irq_handler = dev_irq_handler, |
| .reclaim_buffers = drm_core_reclaim_buffers, |
| #ifdef CONFIG_DEBUG_FS |
| .debugfs_init = omap_debugfs_init, |
| .debugfs_cleanup = omap_debugfs_cleanup, |
| #endif |
| .gem_init_object = omap_gem_init_object, |
| .gem_free_object = omap_gem_free_object, |
| .gem_vm_ops = &omap_gem_vm_ops, |
| .dumb_create = omap_gem_dumb_create, |
| .dumb_map_offset = omap_gem_dumb_map_offset, |
| .dumb_destroy = omap_gem_dumb_destroy, |
| .ioctls = ioctls, |
| .num_ioctls = DRM_OMAP_NUM_IOCTLS, |
| .fops = { |
| .owner = THIS_MODULE, |
| .open = drm_open, |
| .unlocked_ioctl = drm_ioctl, |
| .release = drm_release, |
| .mmap = omap_gem_mmap, |
| .poll = drm_poll, |
| .fasync = drm_fasync, |
| .read = drm_read, |
| .llseek = noop_llseek, |
| }, |
| .name = DRIVER_NAME, |
| .desc = DRIVER_DESC, |
| .date = DRIVER_DATE, |
| .major = DRIVER_MAJOR, |
| .minor = DRIVER_MINOR, |
| .patchlevel = DRIVER_PATCHLEVEL, |
| }; |
| |
| static int pdev_suspend(struct platform_device *pDevice, pm_message_t state) |
| { |
| DBG(""); |
| return 0; |
| } |
| |
| static int pdev_resume(struct platform_device *device) |
| { |
| DBG(""); |
| return 0; |
| } |
| |
| static void pdev_shutdown(struct platform_device *device) |
| { |
| DBG(""); |
| } |
| |
| static int pdev_probe(struct platform_device *device) |
| { |
| DBG("%s", device->name); |
| return drm_platform_init(&omap_drm_driver, device); |
| } |
| |
| static int pdev_remove(struct platform_device *device) |
| { |
| DBG(""); |
| drm_platform_exit(&omap_drm_driver, device); |
| return 0; |
| } |
| |
| struct platform_driver pdev = { |
| .driver = { |
| .name = DRIVER_NAME, |
| .owner = THIS_MODULE, |
| }, |
| .probe = pdev_probe, |
| .remove = pdev_remove, |
| .suspend = pdev_suspend, |
| .resume = pdev_resume, |
| .shutdown = pdev_shutdown, |
| }; |
| |
| static int __init omap_drm_init(void) |
| { |
| DBG("init"); |
| return platform_driver_register(&pdev); |
| } |
| |
| static void __exit omap_drm_fini(void) |
| { |
| DBG("fini"); |
| platform_driver_unregister(&pdev); |
| } |
| |
| /* need late_initcall() so we load after dss_driver's are loaded */ |
| late_initcall(omap_drm_init); |
| module_exit(omap_drm_fini); |
| |
| MODULE_AUTHOR("Rob Clark <rob@ti.com>"); |
| MODULE_DESCRIPTION("OMAP DRM Display Driver"); |
| MODULE_ALIAS("platform:" DRIVER_NAME); |
| MODULE_LICENSE("GPL v2"); |