1eb83451ba
Drivers shouldn't clobber the passed in addfb ioctl parameters. i915 was doing just that. To prevent it from happening again, pass the struct around as const, starting all the way from internal_framebuffer_create(). Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
166 lines
4.6 KiB
C
166 lines
4.6 KiB
C
#include <linux/io.h>
|
|
#include <linux/fb.h>
|
|
#include <linux/console.h>
|
|
|
|
#include <drm/drmP.h>
|
|
#include <drm/drm_crtc.h>
|
|
#include <drm/drm_crtc_helper.h>
|
|
#include <drm/drm_fb_helper.h>
|
|
|
|
#include <drm/drm_gem.h>
|
|
|
|
#include <ttm/ttm_bo_driver.h>
|
|
#include <ttm/ttm_page_alloc.h>
|
|
|
|
/* ---------------------------------------------------------------------- */
|
|
|
|
#define VBE_DISPI_IOPORT_INDEX 0x01CE
|
|
#define VBE_DISPI_IOPORT_DATA 0x01CF
|
|
|
|
#define VBE_DISPI_INDEX_ID 0x0
|
|
#define VBE_DISPI_INDEX_XRES 0x1
|
|
#define VBE_DISPI_INDEX_YRES 0x2
|
|
#define VBE_DISPI_INDEX_BPP 0x3
|
|
#define VBE_DISPI_INDEX_ENABLE 0x4
|
|
#define VBE_DISPI_INDEX_BANK 0x5
|
|
#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
|
|
#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
|
|
#define VBE_DISPI_INDEX_X_OFFSET 0x8
|
|
#define VBE_DISPI_INDEX_Y_OFFSET 0x9
|
|
#define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa
|
|
|
|
#define VBE_DISPI_ID0 0xB0C0
|
|
#define VBE_DISPI_ID1 0xB0C1
|
|
#define VBE_DISPI_ID2 0xB0C2
|
|
#define VBE_DISPI_ID3 0xB0C3
|
|
#define VBE_DISPI_ID4 0xB0C4
|
|
#define VBE_DISPI_ID5 0xB0C5
|
|
|
|
#define VBE_DISPI_DISABLED 0x00
|
|
#define VBE_DISPI_ENABLED 0x01
|
|
#define VBE_DISPI_GETCAPS 0x02
|
|
#define VBE_DISPI_8BIT_DAC 0x20
|
|
#define VBE_DISPI_LFB_ENABLED 0x40
|
|
#define VBE_DISPI_NOCLEARMEM 0x80
|
|
|
|
/* ---------------------------------------------------------------------- */
|
|
|
|
enum bochs_types {
|
|
BOCHS_QEMU_STDVGA,
|
|
BOCHS_UNKNOWN,
|
|
};
|
|
|
|
struct bochs_framebuffer {
|
|
struct drm_framebuffer base;
|
|
struct drm_gem_object *obj;
|
|
};
|
|
|
|
struct bochs_device {
|
|
/* hw */
|
|
void __iomem *mmio;
|
|
int ioports;
|
|
void __iomem *fb_map;
|
|
unsigned long fb_base;
|
|
unsigned long fb_size;
|
|
|
|
/* mode */
|
|
u16 xres;
|
|
u16 yres;
|
|
u16 yres_virtual;
|
|
u32 stride;
|
|
u32 bpp;
|
|
|
|
/* drm */
|
|
struct drm_device *dev;
|
|
struct drm_crtc crtc;
|
|
struct drm_encoder encoder;
|
|
struct drm_connector connector;
|
|
bool mode_config_initialized;
|
|
|
|
/* ttm */
|
|
struct {
|
|
struct drm_global_reference mem_global_ref;
|
|
struct ttm_bo_global_ref bo_global_ref;
|
|
struct ttm_bo_device bdev;
|
|
bool initialized;
|
|
} ttm;
|
|
|
|
/* fbdev */
|
|
struct {
|
|
struct bochs_framebuffer gfb;
|
|
struct drm_fb_helper helper;
|
|
int size;
|
|
bool initialized;
|
|
} fb;
|
|
};
|
|
|
|
#define to_bochs_framebuffer(x) container_of(x, struct bochs_framebuffer, base)
|
|
|
|
struct bochs_bo {
|
|
struct ttm_buffer_object bo;
|
|
struct ttm_placement placement;
|
|
struct ttm_bo_kmap_obj kmap;
|
|
struct drm_gem_object gem;
|
|
struct ttm_place placements[3];
|
|
int pin_count;
|
|
};
|
|
|
|
static inline struct bochs_bo *bochs_bo(struct ttm_buffer_object *bo)
|
|
{
|
|
return container_of(bo, struct bochs_bo, bo);
|
|
}
|
|
|
|
static inline struct bochs_bo *gem_to_bochs_bo(struct drm_gem_object *gem)
|
|
{
|
|
return container_of(gem, struct bochs_bo, gem);
|
|
}
|
|
|
|
#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
|
|
|
|
static inline u64 bochs_bo_mmap_offset(struct bochs_bo *bo)
|
|
{
|
|
return drm_vma_node_offset_addr(&bo->bo.vma_node);
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------- */
|
|
|
|
/* bochs_hw.c */
|
|
int bochs_hw_init(struct drm_device *dev, uint32_t flags);
|
|
void bochs_hw_fini(struct drm_device *dev);
|
|
|
|
void bochs_hw_setmode(struct bochs_device *bochs,
|
|
struct drm_display_mode *mode);
|
|
void bochs_hw_setbase(struct bochs_device *bochs,
|
|
int x, int y, u64 addr);
|
|
|
|
/* bochs_mm.c */
|
|
int bochs_mm_init(struct bochs_device *bochs);
|
|
void bochs_mm_fini(struct bochs_device *bochs);
|
|
int bochs_mmap(struct file *filp, struct vm_area_struct *vma);
|
|
|
|
int bochs_gem_create(struct drm_device *dev, u32 size, bool iskernel,
|
|
struct drm_gem_object **obj);
|
|
int bochs_gem_init_object(struct drm_gem_object *obj);
|
|
void bochs_gem_free_object(struct drm_gem_object *obj);
|
|
int bochs_dumb_create(struct drm_file *file, struct drm_device *dev,
|
|
struct drm_mode_create_dumb *args);
|
|
int bochs_dumb_mmap_offset(struct drm_file *file, struct drm_device *dev,
|
|
uint32_t handle, uint64_t *offset);
|
|
|
|
int bochs_framebuffer_init(struct drm_device *dev,
|
|
struct bochs_framebuffer *gfb,
|
|
const struct drm_mode_fb_cmd2 *mode_cmd,
|
|
struct drm_gem_object *obj);
|
|
int bochs_bo_pin(struct bochs_bo *bo, u32 pl_flag, u64 *gpu_addr);
|
|
int bochs_bo_unpin(struct bochs_bo *bo);
|
|
|
|
extern const struct drm_mode_config_funcs bochs_mode_funcs;
|
|
|
|
/* bochs_kms.c */
|
|
int bochs_kms_init(struct bochs_device *bochs);
|
|
void bochs_kms_fini(struct bochs_device *bochs);
|
|
|
|
/* bochs_fbdev.c */
|
|
int bochs_fbdev_init(struct bochs_device *bochs);
|
|
void bochs_fbdev_fini(struct bochs_device *bochs);
|