diff options
Diffstat (limited to 'drivers/staging/omapdrm/omap_drv.c')
| -rw-r--r-- | drivers/staging/omapdrm/omap_drv.c | 873 |
1 files changed, 0 insertions, 873 deletions
diff --git a/drivers/staging/omapdrm/omap_drv.c b/drivers/staging/omapdrm/omap_drv.c deleted file mode 100644 index ebdb0b676737..000000000000 --- a/drivers/staging/omapdrm/omap_drv.c +++ /dev/null @@ -1,873 +0,0 @@ -/* - * 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" -#include "omap_dmm_tiler.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 const 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->get_device(mgr) : 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->get_device(mgr) == 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; - - /* 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)++; - } - - 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 create_plane(struct drm_device *dev, struct omap_overlay *ovl, - unsigned int possible_crtcs) -{ - struct omap_drm_private *priv = dev->dev_private; - struct drm_plane *plane = - omap_plane_init(dev, ovl, possible_crtcs, false); - - if (!plane) { - dev_err(dev->dev, "could not create plane: %s\n", - ovl->name); - return -ENOMEM; - } - - BUG_ON(priv->num_planes >= ARRAY_SIZE(priv->planes)); - - priv->planes[priv->num_planes++] = plane; - - 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); - } - - for (i = 0; i < kms_pdata->pln_cnt; i++) { - struct omap_overlay *ovl = - omap_dss_get_overlay(kms_pdata->pln_ids[i]); - create_plane(dev, ovl, (1 << priv->num_crtcs) - 1); - } - } 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); - } - - /* use any remaining overlays as drm planes */ - for (; i < omap_dss_get_num_overlays(); i++) { - struct omap_overlay *ovl = omap_dss_get_overlay(i); - create_plane(dev, ovl, (1 << priv->num_crtcs) - 1); - } - } - - /* 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 = (1 << priv->num_crtcs) - 1; - - DBG("%s: possible_crtcs=%08x", mgr->name, - encoder->possible_crtcs); - } - - dump_video_chains(); - - dev->mode_config.min_width = 32; - dev->mode_config.min_height = 32; - - /* 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; - - priv->wq = alloc_ordered_workqueue("omapdrm", 0); - - INIT_LIST_HEAD(&priv->obj_list); - - 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) -{ - struct omap_drm_private *priv = dev->dev_private; - - 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); - - flush_workqueue(priv->wq); - destroy_workqueue(priv->wq); - - 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) -{ - int i; - - /* 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); - - /* need to restore default rotation state.. not sure if there is - * a cleaner way to restore properties to default state? Maybe - * a flag that properties should automatically be restored to - * default state on lastclose? - */ - for (i = 0; i < priv->num_crtcs; i++) { - drm_object_property_set_value(&priv->crtcs[i]->base, - priv->rotation_prop, 0); - } - - for (i = 0; i < priv->num_planes; i++) { - drm_object_property_set_value(&priv->planes[i]->base, - priv->rotation_prop, 0); - } - - 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 const struct vm_operations_struct omap_gem_vm_ops = { - .fault = omap_gem_fault, - .open = drm_gem_vm_open, - .close = drm_gem_vm_close, -}; - -static const struct file_operations omapdriver_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, -}; - -static struct drm_driver omap_drm_driver = { - .driver_features = - DRIVER_HAVE_IRQ | DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME, - .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, -#ifdef CONFIG_DEBUG_FS - .debugfs_init = omap_debugfs_init, - .debugfs_cleanup = omap_debugfs_cleanup, -#endif - .prime_handle_to_fd = drm_gem_prime_handle_to_fd, - .prime_fd_to_handle = drm_gem_prime_fd_to_handle, - .gem_prime_export = omap_gem_prime_export, - .gem_prime_import = omap_gem_prime_import, - .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 = &omapdriver_fops, - .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); - - platform_driver_unregister(&omap_dmm_driver); - 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"); - if (platform_driver_register(&omap_dmm_driver)) { - /* we can continue on without DMM.. so not fatal */ - dev_err(NULL, "DMM registration failed\n"); - } - 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"); |