diff options
Diffstat (limited to 'drivers/gpu/drm/udl/udl_drv.h')
| -rw-r--r-- | drivers/gpu/drm/udl/udl_drv.h | 135 |
1 files changed, 34 insertions, 101 deletions
diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h index e9e9b1ff678e..145bb95ccc48 100644 --- a/drivers/gpu/drm/udl/udl_drv.h +++ b/drivers/gpu/drm/udl/udl_drv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2012 Red Hat * @@ -5,153 +6,85 @@ * Copyright (C) 2009 Roberto De Ioris <roberto@unbit.it> * Copyright (C) 2009 Jaya Kumar <jayakumar.lkml@gmail.com> * Copyright (C) 2009 Bernie Thompson <bernie@plugable.com> - * - * This file is subject to the terms and conditions of the GNU General Public - * License v2. See the file COPYING in the main directory of this archive for - * more details. */ #ifndef UDL_DRV_H #define UDL_DRV_H +#include <linux/mm_types.h> #include <linux/usb.h> + +#include <drm/drm_connector.h> +#include <drm/drm_crtc.h> +#include <drm/drm_device.h> +#include <drm/drm_encoder.h> +#include <drm/drm_framebuffer.h> #include <drm/drm_gem.h> -#include <linux/mm_types.h> +#include <drm/drm_plane.h> + +struct drm_mode_create_dumb; #define DRIVER_NAME "udl" #define DRIVER_DESC "DisplayLink" -#define DRIVER_DATE "20120220" #define DRIVER_MAJOR 0 #define DRIVER_MINOR 0 #define DRIVER_PATCHLEVEL 1 -#define UDL_BO_CACHEABLE (1 << 0) -#define UDL_BO_WC (1 << 1) - struct udl_device; struct urb_node { struct list_head entry; struct udl_device *dev; - struct delayed_work release_urb_work; struct urb *urb; }; struct urb_list { struct list_head list; spinlock_t lock; - struct semaphore limit_sem; + wait_queue_head_t sleep; int available; int count; size_t size; }; -struct udl_fbdev; - struct udl_device { - struct device *dev; - struct drm_device *ddev; - struct usb_device *udev; - struct drm_crtc *crtc; + struct drm_device drm; - struct mutex gem_lock; + unsigned long sku_pixel_limit; - int sku_pixel_limit; + struct drm_plane primary_plane; + struct drm_crtc crtc; + struct drm_encoder encoder; + struct drm_connector connector; struct urb_list urbs; - atomic_t lost_pixels; /* 1 = a render op failed. Need screen refresh */ - - struct udl_fbdev *fbdev; - char mode_buf[1024]; - uint32_t mode_buf_len; - atomic_t bytes_rendered; /* raw pixel-bytes driver asked to render */ - atomic_t bytes_identical; /* saved effort with backbuffer comparison */ - atomic_t bytes_sent; /* to usb, after compression including overhead */ - atomic_t cpu_kcycles_used; /* transpired during pixel processing */ }; -struct udl_gem_object { - struct drm_gem_object base; - struct page **pages; - void *vmapping; - struct sg_table *sg; - unsigned int flags; -}; - -#define to_udl_bo(x) container_of(x, struct udl_gem_object, base) - -struct udl_framebuffer { - struct drm_framebuffer base; - struct udl_gem_object *obj; - bool active_16; /* active on the 16-bit channel */ -}; +#define to_udl(x) container_of(x, struct udl_device, drm) -#define to_udl_fb(x) container_of(x, struct udl_framebuffer, base) +static inline struct usb_device *udl_to_usb_device(struct udl_device *udl) +{ + return interface_to_usbdev(to_usb_interface(udl->drm.dev)); +} /* modeset */ -int udl_modeset_init(struct drm_device *dev); -void udl_modeset_restore(struct drm_device *dev); -void udl_modeset_cleanup(struct drm_device *dev); -int udl_connector_init(struct drm_device *dev, struct drm_encoder *encoder); +int udl_modeset_init(struct udl_device *udl); +struct drm_connector *udl_connector_init(struct drm_device *dev); -struct drm_encoder *udl_encoder_init(struct drm_device *dev); +struct urb *udl_get_urb(struct udl_device *udl); -struct urb *udl_get_urb(struct drm_device *dev); - -int udl_submit_urb(struct drm_device *dev, struct urb *urb, size_t len); +int udl_submit_urb(struct udl_device *udl, struct urb *urb, size_t len); +void udl_sync_pending_urbs(struct udl_device *udl); void udl_urb_completion(struct urb *urb); -int udl_driver_load(struct drm_device *dev, unsigned long flags); -void udl_driver_unload(struct drm_device *dev); - -int udl_fbdev_init(struct drm_device *dev); -void udl_fbdev_cleanup(struct drm_device *dev); -void udl_fbdev_unplug(struct drm_device *dev); -struct drm_framebuffer * -udl_fb_user_fb_create(struct drm_device *dev, - struct drm_file *file, - const struct drm_mode_fb_cmd2 *mode_cmd); +int udl_init(struct udl_device *udl); -int udl_render_hline(struct drm_device *dev, int log_bpp, struct urb **urb_ptr, +int udl_render_hline(struct udl_device *udl, int log_bpp, struct urb **urb_ptr, const char *front, char **urb_buf_ptr, - u32 byte_offset, u32 device_byte_offset, u32 byte_width, - int *ident_ptr, int *sent_ptr); - -int udl_dumb_create(struct drm_file *file_priv, - struct drm_device *dev, - struct drm_mode_create_dumb *args); -int udl_gem_mmap(struct drm_file *file_priv, struct drm_device *dev, - uint32_t handle, uint64_t *offset); - -void udl_gem_free_object(struct drm_gem_object *gem_obj); -struct udl_gem_object *udl_gem_alloc_object(struct drm_device *dev, - size_t size); -struct dma_buf *udl_gem_prime_export(struct drm_device *dev, - struct drm_gem_object *obj, int flags); -struct drm_gem_object *udl_gem_prime_import(struct drm_device *dev, - struct dma_buf *dma_buf); - -int udl_gem_get_pages(struct udl_gem_object *obj); -void udl_gem_put_pages(struct udl_gem_object *obj); -int udl_gem_vmap(struct udl_gem_object *obj); -void udl_gem_vunmap(struct udl_gem_object *obj); -int udl_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma); -vm_fault_t udl_gem_fault(struct vm_fault *vmf); - -int udl_handle_damage(struct udl_framebuffer *fb, int x, int y, - int width, int height); - -int udl_drop_usb(struct drm_device *dev); - -#define CMD_WRITE_RAW8 "\xAF\x60" /**< 8 bit raw write command. */ -#define CMD_WRITE_RL8 "\xAF\x61" /**< 8 bit run length command. */ -#define CMD_WRITE_COPY8 "\xAF\x62" /**< 8 bit copy command. */ -#define CMD_WRITE_RLX8 "\xAF\x63" /**< 8 bit extended run length command. */ - -#define CMD_WRITE_RAW16 "\xAF\x68" /**< 16 bit raw write command. */ -#define CMD_WRITE_RL16 "\xAF\x69" /**< 16 bit run length command. */ -#define CMD_WRITE_COPY16 "\xAF\x6A" /**< 16 bit copy command. */ -#define CMD_WRITE_RLX16 "\xAF\x6B" /**< 16 bit extended run length command. */ + u32 byte_offset, u32 device_byte_offset, u32 byte_width); + +int udl_drop_usb(struct udl_device *udl); +int udl_select_std_channel(struct udl_device *udl); #endif |