mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-04 08:26:55 +07:00
11bac80004
->fault(), ->page_mkwrite(), and ->pfn_mkwrite() calls do not need to take a vma and vmf parameter when the vma already resides in vmf. Remove the vma parameter to simplify things. [arnd@arndb.de: fix ARM build] Link: http://lkml.kernel.org/r/20170125223558.1451224-1-arnd@arndb.de Link: http://lkml.kernel.org/r/148521301778.19116.10840599906674778980.stgit@djiang5-desk3.ch.intel.com Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com> Cc: Theodore Ts'o <tytso@mit.edu> Cc: Darrick J. Wong <darrick.wong@oracle.com> Cc: Matthew Wilcox <mawilcox@microsoft.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Jan Kara <jack@suse.com> Cc: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
155 lines
4.7 KiB
C
155 lines
4.7 KiB
C
/*
|
|
* Copyright (C) 2012 Red Hat
|
|
*
|
|
* based in parts on udlfb.c:
|
|
* 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/usb.h>
|
|
#include <drm/drm_gem.h>
|
|
|
|
#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;
|
|
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;
|
|
|
|
int sku_pixel_limit;
|
|
|
|
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_fb(x) container_of(x, struct udl_framebuffer, base)
|
|
|
|
/* 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);
|
|
|
|
struct drm_encoder *udl_encoder_init(struct drm_device *dev);
|
|
|
|
struct urb *udl_get_urb(struct drm_device *dev);
|
|
|
|
int udl_submit_urb(struct drm_device *dev, struct urb *urb, size_t len);
|
|
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_render_hline(struct drm_device *dev, int 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);
|
|
int 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. */
|
|
|
|
#endif
|