diff options
Diffstat (limited to 'drivers/staging/omapdrm/omap_drv.c')
| -rw-r--r-- | drivers/staging/omapdrm/omap_drv.c | 608 |
1 files changed, 0 insertions, 608 deletions
diff --git a/drivers/staging/omapdrm/omap_drv.c b/drivers/staging/omapdrm/omap_drv.c deleted file mode 100644 index 480dc343446c..000000000000 --- a/drivers/staging/omapdrm/omap_drv.c +++ /dev/null @@ -1,608 +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 - -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; - } -} - -static int omap_modeset_init(struct drm_device *dev) -{ - struct omap_drm_private *priv = dev->dev_private; - struct omap_dss_device *dssdev = NULL; - int num_ovls = dss_feat_get_num_ovls(); - int id; - - drm_mode_config_init(dev); - - omap_drm_irq_install(dev); - - /* - * Create private planes and CRTCs for the last NUM_CRTCs overlay - * plus manager: - */ - for (id = 0; id < min(num_crtc, num_ovls); id++) { - struct drm_plane *plane; - struct drm_crtc *crtc; - - plane = omap_plane_init(dev, id, true); - crtc = omap_crtc_init(dev, plane, pipe2chan(id), id); - - BUG_ON(priv->num_crtcs >= ARRAY_SIZE(priv->crtcs)); - priv->crtcs[id] = crtc; - priv->num_crtcs++; - - priv->planes[id] = plane; - priv->num_planes++; - } - - /* - * Create normal planes for the remaining overlays: - */ - for (; id < num_ovls; id++) { - struct drm_plane *plane = omap_plane_init(dev, id, false); - - BUG_ON(priv->num_planes >= ARRAY_SIZE(priv->planes)); - priv->planes[priv->num_planes++] = plane; - } - - for_each_dss_dev(dssdev) { - struct drm_connector *connector; - struct drm_encoder *encoder; - - 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; - } - - encoder = omap_encoder_init(dev, dssdev); - - if (!encoder) { - dev_err(dev->dev, "could not create encoder: %s\n", - dssdev->name); - return -ENOMEM; - } - - connector = omap_connector_init(dev, - get_connector_type(dssdev), dssdev, encoder); - - if (!connector) { - dev_err(dev->dev, "could not create connector: %s\n", - dssdev->name); - return -ENOMEM; - } - - BUG_ON(priv->num_encoders >= ARRAY_SIZE(priv->encoders)); - BUG_ON(priv->num_connectors >= ARRAY_SIZE(priv->connectors)); - - priv->encoders[priv->num_encoders++] = encoder; - priv->connectors[priv->num_connectors++] = connector; - - drm_mode_connector_attach_encoder(connector, encoder); - - /* figure out which crtc's we can connect the encoder to: */ - encoder->possible_crtcs = 0; - for (id = 0; id < priv->num_crtcs; id++) { - enum omap_dss_output_id supported_outputs = - dss_feat_get_supported_outputs(pipe2chan(id)); - if (supported_outputs & dssdev->output->id) - encoder->possible_crtcs |= (1 << id); - } - } - - 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 omap_drm_private *priv = dev->dev_private; - struct drm_omap_param *args = data; - - DBG("%p: param=%llu", dev, args->param); - - switch (args->param) { - case OMAP_PARAM_CHIPSET_ID: - args->value = priv->omaprev; - 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; - VERB("%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; - - VERB("%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_platform_data *pdata = dev->dev->platform_data; - struct omap_drm_private *priv; - int ret; - - DBG("load: dev=%p", dev); - - priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - - priv->omaprev = pdata->omaprev; - - 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; - } - - ret = drm_vblank_init(dev, priv->num_crtcs); - if (ret) - dev_warn(dev->dev, "could not init vblank\n"); - - 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? */ - } - - /* store off drm_device for use in pm ops */ - dev_set_drvdata(dev->dev, dev); - - drm_kms_helper_poll_init(dev); - - return 0; -} - -static int dev_unload(struct drm_device *dev) -{ - struct omap_drm_private *priv = dev->dev_private; - - DBG("unload: dev=%p", dev); - - drm_kms_helper_poll_fini(dev); - drm_vblank_cleanup(dev); - omap_drm_irq_uninstall(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; - - dev_set_drvdata(dev->dev, 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); - - if (priv->rotation_prop) { - /* 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); - } - } - - mutex_lock(&dev->mode_config.mutex); - ret = drm_fb_helper_restore_fbdev_mode(priv->fbdev); - mutex_unlock(&dev->mode_config.mutex); - 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); -} - -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 = omap_irq_enable_vblank, - .disable_vblank = omap_irq_disable_vblank, - .irq_preinstall = omap_irq_preinstall, - .irq_postinstall = omap_irq_postinstall, - .irq_uninstall = omap_irq_uninstall, - .irq_handler = omap_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; -} - -#ifdef CONFIG_PM -static const struct dev_pm_ops omapdrm_pm_ops = { - .resume = omap_gem_resume, -}; -#endif - -struct platform_driver pdev = { - .driver = { - .name = DRIVER_NAME, - .owner = THIS_MODULE, -#ifdef CONFIG_PM - .pm = &omapdrm_pm_ops, -#endif - }, - .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"); |