/drivers/include/drm/drmP.h |
---|
52,6 → 52,7 |
#include <linux/spinlock.h> |
#include <linux/wait.h> |
#include <linux/bug.h> |
#include <linux/sched.h> |
//#include <linux/miscdevice.h> |
//#include <linux/fs.h> |
85,6 → 86,8 |
struct drm_file; |
struct drm_device; |
struct device_node; |
struct videomode; |
//#include <drm/drm_os_linux.h> |
#include <drm/drm_hashtab.h> |
#include <drm/drm_mm.h> |
171,7 → 174,7 |
/** \name Begin the DRM... */ |
/*@{*/ |
#define DRM_DEBUG_CODE 0 /**< Include debugging code if > 1, then |
#define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then |
also include looping detection. */ |
#define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */ |
1417,6 → 1420,8 |
extern u32 drm_vblank_count(struct drm_device *dev, int crtc); |
extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc, |
struct timeval *vblanktime); |
extern void drm_send_vblank_event(struct drm_device *dev, int crtc, |
struct drm_pending_vblank_event *e); |
extern bool drm_handle_vblank(struct drm_device *dev, int crtc); |
extern int drm_vblank_get(struct drm_device *dev, int crtc); |
extern void drm_vblank_put(struct drm_device *dev, int crtc); |
1440,6 → 1445,12 |
drm_mode_create_from_cmdline_mode(struct drm_device *dev, |
struct drm_cmdline_mode *cmd); |
extern int drm_display_mode_from_videomode(const struct videomode *vm, |
struct drm_display_mode *dmode); |
extern int of_get_drm_display_mode(struct device_node *np, |
struct drm_display_mode *dmode, |
int index); |
/* Modesetting support */ |
extern void drm_vblank_pre_modeset(struct drm_device *dev, int crtc); |
extern void drm_vblank_post_modeset(struct drm_device *dev, int crtc); |
1738,4 → 1749,6 |
#define drm_sysfs_connector_add(connector) |
#define drm_sysfs_connector_remove(connector) |
#define LFB_SIZE 0xC00000 |
#endif |
/drivers/include/drm/drm_crtc.h |
---|
38,8 → 38,9 |
struct drm_mode_set; |
struct drm_framebuffer; |
struct drm_object_properties; |
struct drm_file; |
struct drm_clip_rect; |
#define DRM_MODE_OBJECT_CRTC 0xcccccccc |
#define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0 |
#define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0 |
254,6 → 255,10 |
* userspace perspective. |
*/ |
struct kref refcount; |
/* |
* Place on the dev->mode_config.fb_list, access protected by |
* dev->mode_config.fb_lock. |
*/ |
struct list_head head; |
struct drm_mode_object base; |
const struct drm_framebuffer_funcs *funcs; |
390,6 → 395,15 |
struct drm_device *dev; |
struct list_head head; |
/** |
* crtc mutex |
* |
* This provides a read lock for the overall crtc state (mode, dpms |
* state, ...) and a write lock for everything which can be update |
* without a full modeset (fb, cursor data, ...) |
*/ |
struct mutex mutex; |
struct drm_mode_object base; |
/* framebuffer the connector is currently bound to */ |
429,12 → 443,12 |
* @dpms: set power state (see drm_crtc_funcs above) |
* @save: save connector state |
* @restore: restore connector state |
* @reset: reset connector after state has been invalidate (e.g. resume) |
* @reset: reset connector after state has been invalidated (e.g. resume) |
* @detect: is this connector active? |
* @fill_modes: fill mode list for this connector |
* @set_property: property for this connector may need update |
* @set_property: property for this connector may need an update |
* @destroy: make object go away |
* @force: notify the driver the connector is forced on |
* @force: notify the driver that the connector is forced on |
* |
* Each CRTC may have one or more connectors attached to it. The functions |
* below allow the core DRM code to control connectors, enumerate available modes, |
771,8 → 785,18 |
struct mutex idr_mutex; /* for IDR management */ |
struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */ |
/* this is limited to one for now */ |
/** |
* fb_lock - mutex to protect fb state |
* |
* Besides the global fb list his also protects the fbs list in the |
* file_priv |
*/ |
struct mutex fb_lock; |
int num_fb; |
struct list_head fb_list; |
int num_connector; |
struct list_head connector_list; |
int num_encoder; |
842,6 → 866,10 |
char *name; |
}; |
extern void drm_modeset_lock_all(struct drm_device *dev); |
extern void drm_modeset_unlock_all(struct drm_device *dev); |
extern void drm_warn_on_modeset_not_all_locked(struct drm_device *dev); |
extern int drm_crtc_init(struct drm_device *dev, |
struct drm_crtc *crtc, |
const struct drm_crtc_funcs *funcs); |
932,10 → 960,13 |
extern int drm_framebuffer_init(struct drm_device *dev, |
struct drm_framebuffer *fb, |
const struct drm_framebuffer_funcs *funcs); |
extern struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, |
uint32_t id); |
extern void drm_framebuffer_unreference(struct drm_framebuffer *fb); |
extern void drm_framebuffer_reference(struct drm_framebuffer *fb); |
extern void drm_framebuffer_remove(struct drm_framebuffer *fb); |
extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb); |
extern void drm_framebuffer_unregister_private(struct drm_framebuffer *fb); |
extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc); |
extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb); |
extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY); |
985,6 → 1016,7 |
void *data, struct drm_file *file_priv); |
extern int drm_mode_getconnector(struct drm_device *dev, |
void *data, struct drm_file *file_priv); |
extern int drm_mode_set_config_internal(struct drm_mode_set *set); |
extern int drm_mode_setcrtc(struct drm_device *dev, |
void *data, struct drm_file *file_priv); |
extern int drm_mode_getplane(struct drm_device *dev, |
1030,9 → 1062,10 |
extern int drm_mode_gamma_set_ioctl(struct drm_device *dev, |
void *data, struct drm_file *file_priv); |
extern u8 *drm_find_cea_extension(struct edid *edid); |
extern u8 drm_match_cea_mode(struct drm_display_mode *to_match); |
extern u8 drm_match_cea_mode(const struct drm_display_mode *to_match); |
extern bool drm_detect_hdmi_monitor(struct edid *edid); |
extern bool drm_detect_monitor_audio(struct edid *edid); |
extern bool drm_rgb_quant_range_selectable(struct edid *edid); |
extern int drm_mode_page_flip_ioctl(struct drm_device *dev, |
void *data, struct drm_file *file_priv); |
extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, |
1047,7 → 1080,6 |
int GTF_2C, int GTF_K, int GTF_2J); |
extern int drm_add_modes_noedid(struct drm_connector *connector, |
int hdisplay, int vdisplay); |
extern uint8_t drm_mode_cea_vic(const struct drm_display_mode *mode); |
extern int drm_edid_header_is_valid(const u8 *raw_edid); |
extern bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid); |
/drivers/include/drm/drm_edid.h |
---|
247,6 → 247,8 |
struct drm_encoder; |
struct drm_connector; |
struct drm_display_mode; |
struct hdmi_avi_infoframe; |
void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid); |
int drm_av_sync_delay(struct drm_connector *connector, |
struct drm_display_mode *mode); |
254,4 → 256,8 |
struct drm_display_mode *mode); |
int drm_load_edid_firmware(struct drm_connector *connector); |
int |
drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame, |
const struct drm_display_mode *mode); |
#endif /* __DRM_EDID_H__ */ |
/drivers/include/drm/drm_fb_helper.h |
---|
47,6 → 47,18 |
u32 surface_depth; |
}; |
/** |
* struct drm_fb_helper_funcs - driver callbacks for the fbdev emulation library |
* @gamma_set: - Set the given gamma lut register on the given crtc. |
* @gamma_get: - Read the given gamma lut register on the given crtc, used to |
* save the current lut when force-restoring the fbdev for e.g. |
* kdbg. |
* @fb_probe: - Driver callback to allocate and initialize the fbdev info |
* structure. Futhermore it also needs to allocate the drm |
* framebuffer used to back the fbdev. |
* |
* Driver callbacks used by the fbdev emulation helper library. |
*/ |
struct drm_fb_helper_funcs { |
void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green, |
u16 blue, int regno); |
64,9 → 76,7 |
struct drm_fb_helper { |
struct drm_framebuffer *fb; |
struct drm_framebuffer *saved_fb; |
struct drm_device *dev; |
struct drm_display_mode *mode; |
int crtc_count; |
struct drm_fb_helper_crtc *crtc_info; |
int connector_count; |
81,9 → 91,6 |
bool delayed_hotplug; |
}; |
int drm_fb_helper_single_fb_probe(struct drm_fb_helper *helper, |
int preferred_bpp); |
int drm_fb_helper_init(struct drm_device *dev, |
struct drm_fb_helper *helper, int crtc_count, |
int max_conn); |
102,7 → 109,6 |
struct fb_info *info); |
bool drm_fb_helper_restore_fbdev_mode(struct drm_fb_helper *fb_helper); |
void drm_fb_helper_restore(void); |
void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper, |
uint32_t fb_width, uint32_t fb_height); |
void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch, |
/drivers/include/drm/drm_mm.h |
---|
89,6 → 89,29 |
{ |
return mm->hole_stack.next; |
} |
static inline unsigned long __drm_mm_hole_node_start(struct drm_mm_node *hole_node) |
{ |
return hole_node->start + hole_node->size; |
} |
static inline unsigned long drm_mm_hole_node_start(struct drm_mm_node *hole_node) |
{ |
BUG_ON(!hole_node->hole_follows); |
return __drm_mm_hole_node_start(hole_node); |
} |
static inline unsigned long __drm_mm_hole_node_end(struct drm_mm_node *hole_node) |
{ |
return list_entry(hole_node->node_list.next, |
struct drm_mm_node, node_list)->start; |
} |
static inline unsigned long drm_mm_hole_node_end(struct drm_mm_node *hole_node) |
{ |
return __drm_mm_hole_node_end(hole_node); |
} |
#define drm_mm_for_each_node(entry, mm) list_for_each_entry(entry, \ |
&(mm)->head_node.node_list, \ |
node_list) |
99,9 → 122,26 |
entry != NULL; entry = next, \ |
next = entry ? list_entry(entry->node_list.next, \ |
struct drm_mm_node, node_list) : NULL) \ |
/* Note that we need to unroll list_for_each_entry in order to inline |
* setting hole_start and hole_end on each iteration and keep the |
* macro sane. |
*/ |
#define drm_mm_for_each_hole(entry, mm, hole_start, hole_end) \ |
for (entry = list_entry((mm)->hole_stack.next, struct drm_mm_node, hole_stack); \ |
&entry->hole_stack != &(mm)->hole_stack ? \ |
hole_start = drm_mm_hole_node_start(entry), \ |
hole_end = drm_mm_hole_node_end(entry), \ |
1 : 0; \ |
entry = list_entry(entry->hole_stack.next, struct drm_mm_node, hole_stack)) |
/* |
* Basic range manager support (drm_mm.c) |
*/ |
extern struct drm_mm_node *drm_mm_create_block(struct drm_mm *mm, |
unsigned long start, |
unsigned long size, |
bool atomic); |
extern struct drm_mm_node *drm_mm_get_block_generic(struct drm_mm_node *node, |
unsigned long size, |
unsigned alignment, |
/drivers/include/drm/drm_pciids.h |
---|
139,6 → 139,19 |
{0x1002, 0x5e4c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x5e4d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x5e4f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6600, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6601, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6602, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6603, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6606, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6607, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6610, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6611, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6613, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6620, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6621, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6623, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6631, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6700, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAYMAN|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6701, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAYMAN|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6702, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAYMAN|RADEON_NEW_MEMMAP}, \ |
/drivers/include/drm/i915_drm.h |
---|
23,16 → 23,11 |
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
* |
*/ |
#ifndef _I915_DRM_H_ |
#define _I915_DRM_H_ |
#ifndef _UAPI_I915_DRM_H_ |
#define _UAPI_I915_DRM_H_ |
#include <uapi/drm/i915_drm.h> |
#include <drm/drm.h> |
/* Please note that modifications to all structs defined here are |
* subject to backwards-compatibility constraints. |
*/ |
/* For use by IPS driver */ |
extern unsigned long i915_read_mch_val(void); |
extern bool i915_gpu_raise(void); |
39,917 → 34,4 |
extern bool i915_gpu_lower(void); |
extern bool i915_gpu_busy(void); |
extern bool i915_gpu_turbo_disable(void); |
/* Each region is a minimum of 16k, and there are at most 255 of them. |
*/ |
#define I915_NR_TEX_REGIONS 255 /* table size 2k - maximum due to use |
* of chars for next/prev indices */ |
#define I915_LOG_MIN_TEX_REGION_SIZE 14 |
typedef struct _drm_i915_init { |
enum { |
I915_INIT_DMA = 0x01, |
I915_CLEANUP_DMA = 0x02, |
I915_RESUME_DMA = 0x03 |
} func; |
unsigned int mmio_offset; |
int sarea_priv_offset; |
unsigned int ring_start; |
unsigned int ring_end; |
unsigned int ring_size; |
unsigned int front_offset; |
unsigned int back_offset; |
unsigned int depth_offset; |
unsigned int w; |
unsigned int h; |
unsigned int pitch; |
unsigned int pitch_bits; |
unsigned int back_pitch; |
unsigned int depth_pitch; |
unsigned int cpp; |
unsigned int chipset; |
} drm_i915_init_t; |
typedef struct _drm_i915_sarea { |
struct drm_tex_region texList[I915_NR_TEX_REGIONS + 1]; |
int last_upload; /* last time texture was uploaded */ |
int last_enqueue; /* last time a buffer was enqueued */ |
int last_dispatch; /* age of the most recently dispatched buffer */ |
int ctxOwner; /* last context to upload state */ |
int texAge; |
int pf_enabled; /* is pageflipping allowed? */ |
int pf_active; |
int pf_current_page; /* which buffer is being displayed? */ |
int perf_boxes; /* performance boxes to be displayed */ |
int width, height; /* screen size in pixels */ |
drm_handle_t front_handle; |
int front_offset; |
int front_size; |
drm_handle_t back_handle; |
int back_offset; |
int back_size; |
drm_handle_t depth_handle; |
int depth_offset; |
int depth_size; |
drm_handle_t tex_handle; |
int tex_offset; |
int tex_size; |
int log_tex_granularity; |
int pitch; |
int rotation; /* 0, 90, 180 or 270 */ |
int rotated_offset; |
int rotated_size; |
int rotated_pitch; |
int virtualX, virtualY; |
unsigned int front_tiled; |
unsigned int back_tiled; |
unsigned int depth_tiled; |
unsigned int rotated_tiled; |
unsigned int rotated2_tiled; |
int pipeA_x; |
int pipeA_y; |
int pipeA_w; |
int pipeA_h; |
int pipeB_x; |
int pipeB_y; |
int pipeB_w; |
int pipeB_h; |
/* fill out some space for old userspace triple buffer */ |
drm_handle_t unused_handle; |
__u32 unused1, unused2, unused3; |
/* buffer object handles for static buffers. May change |
* over the lifetime of the client. |
*/ |
__u32 front_bo_handle; |
__u32 back_bo_handle; |
__u32 unused_bo_handle; |
__u32 depth_bo_handle; |
} drm_i915_sarea_t; |
/* due to userspace building against these headers we need some compat here */ |
#define planeA_x pipeA_x |
#define planeA_y pipeA_y |
#define planeA_w pipeA_w |
#define planeA_h pipeA_h |
#define planeB_x pipeB_x |
#define planeB_y pipeB_y |
#define planeB_w pipeB_w |
#define planeB_h pipeB_h |
/* Flags for perf_boxes |
*/ |
#define I915_BOX_RING_EMPTY 0x1 |
#define I915_BOX_FLIP 0x2 |
#define I915_BOX_WAIT 0x4 |
#define I915_BOX_TEXTURE_LOAD 0x8 |
#define I915_BOX_LOST_CONTEXT 0x10 |
/* I915 specific ioctls |
* The device specific ioctl range is 0x40 to 0x79. |
*/ |
#define DRM_I915_INIT 0x00 |
#define DRM_I915_FLUSH 0x01 |
#define DRM_I915_FLIP 0x02 |
#define DRM_I915_BATCHBUFFER 0x03 |
#define DRM_I915_IRQ_EMIT 0x04 |
#define DRM_I915_IRQ_WAIT 0x05 |
#define DRM_I915_GETPARAM 0x06 |
#define DRM_I915_SETPARAM 0x07 |
#define DRM_I915_ALLOC 0x08 |
#define DRM_I915_FREE 0x09 |
#define DRM_I915_INIT_HEAP 0x0a |
#define DRM_I915_CMDBUFFER 0x0b |
#define DRM_I915_DESTROY_HEAP 0x0c |
#define DRM_I915_SET_VBLANK_PIPE 0x0d |
#define DRM_I915_GET_VBLANK_PIPE 0x0e |
#define DRM_I915_VBLANK_SWAP 0x0f |
#define DRM_I915_HWS_ADDR 0x11 |
#define DRM_I915_GEM_INIT 0x13 |
#define DRM_I915_GEM_EXECBUFFER 0x14 |
#define DRM_I915_GEM_PIN 0x15 |
#define DRM_I915_GEM_UNPIN 0x16 |
#define DRM_I915_GEM_BUSY 0x17 |
#define DRM_I915_GEM_THROTTLE 0x18 |
#define DRM_I915_GEM_ENTERVT 0x19 |
#define DRM_I915_GEM_LEAVEVT 0x1a |
#define DRM_I915_GEM_CREATE 0x1b |
#define DRM_I915_GEM_PREAD 0x1c |
#define DRM_I915_GEM_PWRITE 0x1d |
#define DRM_I915_GEM_MMAP 0x1e |
#define DRM_I915_GEM_SET_DOMAIN 0x1f |
#define DRM_I915_GEM_SW_FINISH 0x20 |
#define DRM_I915_GEM_SET_TILING 0x21 |
#define DRM_I915_GEM_GET_TILING 0x22 |
#define DRM_I915_GEM_GET_APERTURE 0x23 |
#define DRM_I915_GEM_MMAP_GTT 0x24 |
#define DRM_I915_GET_PIPE_FROM_CRTC_ID 0x25 |
#define DRM_I915_GEM_MADVISE 0x26 |
#define DRM_I915_OVERLAY_PUT_IMAGE 0x27 |
#define DRM_I915_OVERLAY_ATTRS 0x28 |
#define DRM_I915_GEM_EXECBUFFER2 0x29 |
#define DRM_I915_GET_SPRITE_COLORKEY 0x2a |
#define DRM_I915_SET_SPRITE_COLORKEY 0x2b |
#define DRM_I915_GEM_WAIT 0x2c |
#define DRM_I915_GEM_CONTEXT_CREATE 0x2d |
#define DRM_I915_GEM_CONTEXT_DESTROY 0x2e |
#define DRM_I915_GEM_SET_CACHING 0x2f |
#define DRM_I915_GEM_GET_CACHING 0x30 |
#define DRM_I915_REG_READ 0x31 |
#define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t) |
#define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH) |
#define DRM_IOCTL_I915_FLIP DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLIP) |
#define DRM_IOCTL_I915_BATCHBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_BATCHBUFFER, drm_i915_batchbuffer_t) |
#define DRM_IOCTL_I915_IRQ_EMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_IRQ_EMIT, drm_i915_irq_emit_t) |
#define DRM_IOCTL_I915_IRQ_WAIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_IRQ_WAIT, drm_i915_irq_wait_t) |
#define DRM_IOCTL_I915_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GETPARAM, drm_i915_getparam_t) |
#define DRM_IOCTL_I915_SETPARAM DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SETPARAM, drm_i915_setparam_t) |
#define DRM_IOCTL_I915_ALLOC DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_ALLOC, drm_i915_mem_alloc_t) |
#define DRM_IOCTL_I915_FREE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_FREE, drm_i915_mem_free_t) |
#define DRM_IOCTL_I915_INIT_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT_HEAP, drm_i915_mem_init_heap_t) |
#define DRM_IOCTL_I915_CMDBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_CMDBUFFER, drm_i915_cmdbuffer_t) |
#define DRM_IOCTL_I915_DESTROY_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_DESTROY_HEAP, drm_i915_mem_destroy_heap_t) |
#define DRM_IOCTL_I915_SET_VBLANK_PIPE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SET_VBLANK_PIPE, drm_i915_vblank_pipe_t) |
#define DRM_IOCTL_I915_GET_VBLANK_PIPE DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t) |
#define DRM_IOCTL_I915_VBLANK_SWAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_VBLANK_SWAP, drm_i915_vblank_swap_t) |
#define DRM_IOCTL_I915_HWS_ADDR DRM_IOW(DRM_COMMAND_BASE + DRM_I915_HWS_ADDR, struct drm_i915_gem_init) |
#define DRM_IOCTL_I915_GEM_INIT DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_INIT, struct drm_i915_gem_init) |
#define DRM_IOCTL_I915_GEM_EXECBUFFER DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER, struct drm_i915_gem_execbuffer) |
#define DRM_IOCTL_I915_GEM_EXECBUFFER2 DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER2, struct drm_i915_gem_execbuffer2) |
#define DRM_IOCTL_I915_GEM_PIN DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_PIN, struct drm_i915_gem_pin) |
#define DRM_IOCTL_I915_GEM_UNPIN DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_UNPIN, struct drm_i915_gem_unpin) |
#define DRM_IOCTL_I915_GEM_BUSY DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_BUSY, struct drm_i915_gem_busy) |
#define DRM_IOCTL_I915_GEM_SET_CACHING DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_SET_CACHING, struct drm_i915_gem_caching) |
#define DRM_IOCTL_I915_GEM_GET_CACHING DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_GET_CACHING, struct drm_i915_gem_caching) |
#define DRM_IOCTL_I915_GEM_THROTTLE DRM_IO ( DRM_COMMAND_BASE + DRM_I915_GEM_THROTTLE) |
#define DRM_IOCTL_I915_GEM_ENTERVT DRM_IO(DRM_COMMAND_BASE + DRM_I915_GEM_ENTERVT) |
#define DRM_IOCTL_I915_GEM_LEAVEVT DRM_IO(DRM_COMMAND_BASE + DRM_I915_GEM_LEAVEVT) |
#define DRM_IOCTL_I915_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_CREATE, struct drm_i915_gem_create) |
#define DRM_IOCTL_I915_GEM_PREAD DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PREAD, struct drm_i915_gem_pread) |
#define DRM_IOCTL_I915_GEM_PWRITE DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PWRITE, struct drm_i915_gem_pwrite) |
#define DRM_IOCTL_I915_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP, struct drm_i915_gem_mmap) |
#define DRM_IOCTL_I915_GEM_MMAP_GTT DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP_GTT, struct drm_i915_gem_mmap_gtt) |
#define DRM_IOCTL_I915_GEM_SET_DOMAIN DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SET_DOMAIN, struct drm_i915_gem_set_domain) |
#define DRM_IOCTL_I915_GEM_SW_FINISH DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SW_FINISH, struct drm_i915_gem_sw_finish) |
#define DRM_IOCTL_I915_GEM_SET_TILING DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_SET_TILING, struct drm_i915_gem_set_tiling) |
#define DRM_IOCTL_I915_GEM_GET_TILING DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_TILING, struct drm_i915_gem_get_tiling) |
#define DRM_IOCTL_I915_GEM_GET_APERTURE DRM_IOR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_APERTURE, struct drm_i915_gem_get_aperture) |
#define DRM_IOCTL_I915_GET_PIPE_FROM_CRTC_ID DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GET_PIPE_FROM_CRTC_ID, struct drm_i915_get_pipe_from_crtc_id) |
#define DRM_IOCTL_I915_GEM_MADVISE DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MADVISE, struct drm_i915_gem_madvise) |
#define DRM_IOCTL_I915_OVERLAY_PUT_IMAGE DRM_IOW(DRM_COMMAND_BASE + DRM_I915_OVERLAY_PUT_IMAGE, struct drm_intel_overlay_put_image) |
#define DRM_IOCTL_I915_OVERLAY_ATTRS DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_OVERLAY_ATTRS, struct drm_intel_overlay_attrs) |
#define DRM_IOCTL_I915_SET_SPRITE_COLORKEY DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_SET_SPRITE_COLORKEY, struct drm_intel_sprite_colorkey) |
#define DRM_IOCTL_I915_GET_SPRITE_COLORKEY DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_SET_SPRITE_COLORKEY, struct drm_intel_sprite_colorkey) |
#define DRM_IOCTL_I915_GEM_WAIT DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_WAIT, struct drm_i915_gem_wait) |
#define DRM_IOCTL_I915_GEM_CONTEXT_CREATE DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_CONTEXT_CREATE, struct drm_i915_gem_context_create) |
#define DRM_IOCTL_I915_GEM_CONTEXT_DESTROY DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_CONTEXT_DESTROY, struct drm_i915_gem_context_destroy) |
#define DRM_IOCTL_I915_REG_READ DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_REG_READ, struct drm_i915_reg_read) |
/* Allow drivers to submit batchbuffers directly to hardware, relying |
* on the security mechanisms provided by hardware. |
*/ |
typedef struct drm_i915_batchbuffer { |
int start; /* agp offset */ |
int used; /* nr bytes in use */ |
int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */ |
int DR4; /* window origin for GFX_OP_DRAWRECT_INFO */ |
int num_cliprects; /* mulitpass with multiple cliprects? */ |
struct drm_clip_rect __user *cliprects; /* pointer to userspace cliprects */ |
} drm_i915_batchbuffer_t; |
/* As above, but pass a pointer to userspace buffer which can be |
* validated by the kernel prior to sending to hardware. |
*/ |
typedef struct _drm_i915_cmdbuffer { |
char __user *buf; /* pointer to userspace command buffer */ |
int sz; /* nr bytes in buf */ |
int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */ |
int DR4; /* window origin for GFX_OP_DRAWRECT_INFO */ |
int num_cliprects; /* mulitpass with multiple cliprects? */ |
struct drm_clip_rect __user *cliprects; /* pointer to userspace cliprects */ |
} drm_i915_cmdbuffer_t; |
/* Userspace can request & wait on irq's: |
*/ |
typedef struct drm_i915_irq_emit { |
int __user *irq_seq; |
} drm_i915_irq_emit_t; |
typedef struct drm_i915_irq_wait { |
int irq_seq; |
} drm_i915_irq_wait_t; |
/* Ioctl to query kernel params: |
*/ |
#define I915_PARAM_IRQ_ACTIVE 1 |
#define I915_PARAM_ALLOW_BATCHBUFFER 2 |
#define I915_PARAM_LAST_DISPATCH 3 |
#define I915_PARAM_CHIPSET_ID 4 |
#define I915_PARAM_HAS_GEM 5 |
#define I915_PARAM_NUM_FENCES_AVAIL 6 |
#define I915_PARAM_HAS_OVERLAY 7 |
#define I915_PARAM_HAS_PAGEFLIPPING 8 |
#define I915_PARAM_HAS_EXECBUF2 9 |
#define I915_PARAM_HAS_BSD 10 |
#define I915_PARAM_HAS_BLT 11 |
#define I915_PARAM_HAS_RELAXED_FENCING 12 |
#define I915_PARAM_HAS_COHERENT_RINGS 13 |
#define I915_PARAM_HAS_EXEC_CONSTANTS 14 |
#define I915_PARAM_HAS_RELAXED_DELTA 15 |
#define I915_PARAM_HAS_GEN7_SOL_RESET 16 |
#define I915_PARAM_HAS_LLC 17 |
#define I915_PARAM_HAS_ALIASING_PPGTT 18 |
#define I915_PARAM_HAS_WAIT_TIMEOUT 19 |
#define I915_PARAM_HAS_SEMAPHORES 20 |
#define I915_PARAM_HAS_PRIME_VMAP_FLUSH 21 |
#define I915_PARAM_RSVD_FOR_FUTURE_USE 22 |
#define I915_PARAM_HAS_SECURE_BATCHES 23 |
#define I915_PARAM_HAS_PINNED_BATCHES 24 |
typedef struct drm_i915_getparam { |
int param; |
int __user *value; |
} drm_i915_getparam_t; |
/* Ioctl to set kernel params: |
*/ |
#define I915_SETPARAM_USE_MI_BATCHBUFFER_START 1 |
#define I915_SETPARAM_TEX_LRU_LOG_GRANULARITY 2 |
#define I915_SETPARAM_ALLOW_BATCHBUFFER 3 |
#define I915_SETPARAM_NUM_USED_FENCES 4 |
typedef struct drm_i915_setparam { |
int param; |
int value; |
} drm_i915_setparam_t; |
/* A memory manager for regions of shared memory: |
*/ |
#define I915_MEM_REGION_AGP 1 |
typedef struct drm_i915_mem_alloc { |
int region; |
int alignment; |
int size; |
int __user *region_offset; /* offset from start of fb or agp */ |
} drm_i915_mem_alloc_t; |
typedef struct drm_i915_mem_free { |
int region; |
int region_offset; |
} drm_i915_mem_free_t; |
typedef struct drm_i915_mem_init_heap { |
int region; |
int size; |
int start; |
} drm_i915_mem_init_heap_t; |
/* Allow memory manager to be torn down and re-initialized (eg on |
* rotate): |
*/ |
typedef struct drm_i915_mem_destroy_heap { |
int region; |
} drm_i915_mem_destroy_heap_t; |
/* Allow X server to configure which pipes to monitor for vblank signals |
*/ |
#define DRM_I915_VBLANK_PIPE_A 1 |
#define DRM_I915_VBLANK_PIPE_B 2 |
typedef struct drm_i915_vblank_pipe { |
int pipe; |
} drm_i915_vblank_pipe_t; |
/* Schedule buffer swap at given vertical blank: |
*/ |
typedef struct drm_i915_vblank_swap { |
drm_drawable_t drawable; |
enum drm_vblank_seq_type seqtype; |
unsigned int sequence; |
} drm_i915_vblank_swap_t; |
typedef struct drm_i915_hws_addr { |
__u64 addr; |
} drm_i915_hws_addr_t; |
struct drm_i915_gem_init { |
/** |
* Beginning offset in the GTT to be managed by the DRM memory |
* manager. |
*/ |
__u64 gtt_start; |
/** |
* Ending offset in the GTT to be managed by the DRM memory |
* manager. |
*/ |
__u64 gtt_end; |
}; |
struct drm_i915_gem_create { |
/** |
* Requested size for the object. |
* |
* The (page-aligned) allocated size for the object will be returned. |
*/ |
__u64 size; |
/** |
* Returned handle for the object. |
* |
* Object handles are nonzero. |
*/ |
__u32 handle; |
__u32 pad; |
}; |
struct drm_i915_gem_pread { |
/** Handle for the object being read. */ |
__u32 handle; |
__u32 pad; |
/** Offset into the object to read from */ |
__u64 offset; |
/** Length of data to read */ |
__u64 size; |
/** |
* Pointer to write the data into. |
* |
* This is a fixed-size type for 32/64 compatibility. |
*/ |
__u64 data_ptr; |
}; |
struct drm_i915_gem_pwrite { |
/** Handle for the object being written to. */ |
__u32 handle; |
__u32 pad; |
/** Offset into the object to write to */ |
__u64 offset; |
/** Length of data to write */ |
__u64 size; |
/** |
* Pointer to read the data from. |
* |
* This is a fixed-size type for 32/64 compatibility. |
*/ |
__u64 data_ptr; |
}; |
struct drm_i915_gem_mmap { |
/** Handle for the object being mapped. */ |
__u32 handle; |
__u32 pad; |
/** Offset in the object to map. */ |
__u64 offset; |
/** |
* Length of data to map. |
* |
* The value will be page-aligned. |
*/ |
__u64 size; |
/** |
* Returned pointer the data was mapped at. |
* |
* This is a fixed-size type for 32/64 compatibility. |
*/ |
__u64 addr_ptr; |
}; |
struct drm_i915_gem_mmap_gtt { |
/** Handle for the object being mapped. */ |
__u32 handle; |
__u32 pad; |
/** |
* Fake offset to use for subsequent mmap call |
* |
* This is a fixed-size type for 32/64 compatibility. |
*/ |
__u64 offset; |
}; |
struct drm_i915_gem_set_domain { |
/** Handle for the object */ |
__u32 handle; |
/** New read domains */ |
__u32 read_domains; |
/** New write domain */ |
__u32 write_domain; |
}; |
struct drm_i915_gem_sw_finish { |
/** Handle for the object */ |
__u32 handle; |
}; |
struct drm_i915_gem_relocation_entry { |
/** |
* Handle of the buffer being pointed to by this relocation entry. |
* |
* It's appealing to make this be an index into the mm_validate_entry |
* list to refer to the buffer, but this allows the driver to create |
* a relocation list for state buffers and not re-write it per |
* exec using the buffer. |
*/ |
__u32 target_handle; |
/** |
* Value to be added to the offset of the target buffer to make up |
* the relocation entry. |
*/ |
__u32 delta; |
/** Offset in the buffer the relocation entry will be written into */ |
__u64 offset; |
/** |
* Offset value of the target buffer that the relocation entry was last |
* written as. |
* |
* If the buffer has the same offset as last time, we can skip syncing |
* and writing the relocation. This value is written back out by |
* the execbuffer ioctl when the relocation is written. |
*/ |
__u64 presumed_offset; |
/** |
* Target memory domains read by this operation. |
*/ |
__u32 read_domains; |
/** |
* Target memory domains written by this operation. |
* |
* Note that only one domain may be written by the whole |
* execbuffer operation, so that where there are conflicts, |
* the application will get -EINVAL back. |
*/ |
__u32 write_domain; |
}; |
/** @{ |
* Intel memory domains |
* |
* Most of these just align with the various caches in |
* the system and are used to flush and invalidate as |
* objects end up cached in different domains. |
*/ |
/** CPU cache */ |
#define I915_GEM_DOMAIN_CPU 0x00000001 |
/** Render cache, used by 2D and 3D drawing */ |
#define I915_GEM_DOMAIN_RENDER 0x00000002 |
/** Sampler cache, used by texture engine */ |
#define I915_GEM_DOMAIN_SAMPLER 0x00000004 |
/** Command queue, used to load batch buffers */ |
#define I915_GEM_DOMAIN_COMMAND 0x00000008 |
/** Instruction cache, used by shader programs */ |
#define I915_GEM_DOMAIN_INSTRUCTION 0x00000010 |
/** Vertex address cache */ |
#define I915_GEM_DOMAIN_VERTEX 0x00000020 |
/** GTT domain - aperture and scanout */ |
#define I915_GEM_DOMAIN_GTT 0x00000040 |
/** @} */ |
struct drm_i915_gem_exec_object { |
/** |
* User's handle for a buffer to be bound into the GTT for this |
* operation. |
*/ |
__u32 handle; |
/** Number of relocations to be performed on this buffer */ |
__u32 relocation_count; |
/** |
* Pointer to array of struct drm_i915_gem_relocation_entry containing |
* the relocations to be performed in this buffer. |
*/ |
__u64 relocs_ptr; |
/** Required alignment in graphics aperture */ |
__u64 alignment; |
/** |
* Returned value of the updated offset of the object, for future |
* presumed_offset writes. |
*/ |
__u64 offset; |
}; |
struct drm_i915_gem_execbuffer { |
/** |
* List of buffers to be validated with their relocations to be |
* performend on them. |
* |
* This is a pointer to an array of struct drm_i915_gem_validate_entry. |
* |
* These buffers must be listed in an order such that all relocations |
* a buffer is performing refer to buffers that have already appeared |
* in the validate list. |
*/ |
__u64 buffers_ptr; |
__u32 buffer_count; |
/** Offset in the batchbuffer to start execution from. */ |
__u32 batch_start_offset; |
/** Bytes used in batchbuffer from batch_start_offset */ |
__u32 batch_len; |
__u32 DR1; |
__u32 DR4; |
__u32 num_cliprects; |
/** This is a struct drm_clip_rect *cliprects */ |
__u64 cliprects_ptr; |
}; |
struct drm_i915_gem_exec_object2 { |
/** |
* User's handle for a buffer to be bound into the GTT for this |
* operation. |
*/ |
__u32 handle; |
/** Number of relocations to be performed on this buffer */ |
__u32 relocation_count; |
/** |
* Pointer to array of struct drm_i915_gem_relocation_entry containing |
* the relocations to be performed in this buffer. |
*/ |
__u64 relocs_ptr; |
/** Required alignment in graphics aperture */ |
__u64 alignment; |
/** |
* Returned value of the updated offset of the object, for future |
* presumed_offset writes. |
*/ |
__u64 offset; |
#define EXEC_OBJECT_NEEDS_FENCE (1<<0) |
__u64 flags; |
__u64 rsvd1; |
__u64 rsvd2; |
}; |
struct drm_i915_gem_execbuffer2 { |
/** |
* List of gem_exec_object2 structs |
*/ |
__u64 buffers_ptr; |
__u32 buffer_count; |
/** Offset in the batchbuffer to start execution from. */ |
__u32 batch_start_offset; |
/** Bytes used in batchbuffer from batch_start_offset */ |
__u32 batch_len; |
__u32 DR1; |
__u32 DR4; |
__u32 num_cliprects; |
/** This is a struct drm_clip_rect *cliprects */ |
__u64 cliprects_ptr; |
#define I915_EXEC_RING_MASK (7<<0) |
#define I915_EXEC_DEFAULT (0<<0) |
#define I915_EXEC_RENDER (1<<0) |
#define I915_EXEC_BSD (2<<0) |
#define I915_EXEC_BLT (3<<0) |
/* Used for switching the constants addressing mode on gen4+ RENDER ring. |
* Gen6+ only supports relative addressing to dynamic state (default) and |
* absolute addressing. |
* |
* These flags are ignored for the BSD and BLT rings. |
*/ |
#define I915_EXEC_CONSTANTS_MASK (3<<6) |
#define I915_EXEC_CONSTANTS_REL_GENERAL (0<<6) /* default */ |
#define I915_EXEC_CONSTANTS_ABSOLUTE (1<<6) |
#define I915_EXEC_CONSTANTS_REL_SURFACE (2<<6) /* gen4/5 only */ |
__u64 flags; |
__u64 rsvd1; /* now used for context info */ |
__u64 rsvd2; |
}; |
/** Resets the SO write offset registers for transform feedback on gen7. */ |
#define I915_EXEC_GEN7_SOL_RESET (1<<8) |
#define I915_EXEC_CONTEXT_ID_MASK (0xffffffff) |
#define i915_execbuffer2_set_context_id(eb2, context) \ |
(eb2).rsvd1 = context & I915_EXEC_CONTEXT_ID_MASK |
#define i915_execbuffer2_get_context_id(eb2) \ |
((eb2).rsvd1 & I915_EXEC_CONTEXT_ID_MASK) |
struct drm_i915_gem_pin { |
/** Handle of the buffer to be pinned. */ |
__u32 handle; |
__u32 pad; |
/** alignment required within the aperture */ |
__u64 alignment; |
/** Returned GTT offset of the buffer. */ |
__u64 offset; |
}; |
struct drm_i915_gem_unpin { |
/** Handle of the buffer to be unpinned. */ |
__u32 handle; |
__u32 pad; |
}; |
struct drm_i915_gem_busy { |
/** Handle of the buffer to check for busy */ |
__u32 handle; |
/** Return busy status (1 if busy, 0 if idle). |
* The high word is used to indicate on which rings the object |
* currently resides: |
* 16:31 - busy (r or r/w) rings (16 render, 17 bsd, 18 blt, etc) |
*/ |
__u32 busy; |
}; |
#define I915_CACHING_NONE 0 |
#define I915_CACHING_CACHED 1 |
struct drm_i915_gem_caching { |
/** |
* Handle of the buffer to set/get the caching level of. */ |
__u32 handle; |
/** |
* Cacheing level to apply or return value |
* |
* bits0-15 are for generic caching control (i.e. the above defined |
* values). bits16-31 are reserved for platform-specific variations |
* (e.g. l3$ caching on gen7). */ |
__u32 caching; |
}; |
#define I915_TILING_NONE 0 |
#define I915_TILING_X 1 |
#define I915_TILING_Y 2 |
#define I915_BIT_6_SWIZZLE_NONE 0 |
#define I915_BIT_6_SWIZZLE_9 1 |
#define I915_BIT_6_SWIZZLE_9_10 2 |
#define I915_BIT_6_SWIZZLE_9_11 3 |
#define I915_BIT_6_SWIZZLE_9_10_11 4 |
/* Not seen by userland */ |
#define I915_BIT_6_SWIZZLE_UNKNOWN 5 |
/* Seen by userland. */ |
#define I915_BIT_6_SWIZZLE_9_17 6 |
#define I915_BIT_6_SWIZZLE_9_10_17 7 |
struct drm_i915_gem_set_tiling { |
/** Handle of the buffer to have its tiling state updated */ |
__u32 handle; |
/** |
* Tiling mode for the object (I915_TILING_NONE, I915_TILING_X, |
* I915_TILING_Y). |
* |
* This value is to be set on request, and will be updated by the |
* kernel on successful return with the actual chosen tiling layout. |
* |
* The tiling mode may be demoted to I915_TILING_NONE when the system |
* has bit 6 swizzling that can't be managed correctly by GEM. |
* |
* Buffer contents become undefined when changing tiling_mode. |
*/ |
__u32 tiling_mode; |
/** |
* Stride in bytes for the object when in I915_TILING_X or |
* I915_TILING_Y. |
*/ |
__u32 stride; |
/** |
* Returned address bit 6 swizzling required for CPU access through |
* mmap mapping. |
*/ |
__u32 swizzle_mode; |
}; |
struct drm_i915_gem_get_tiling { |
/** Handle of the buffer to get tiling state for. */ |
__u32 handle; |
/** |
* Current tiling mode for the object (I915_TILING_NONE, I915_TILING_X, |
* I915_TILING_Y). |
*/ |
__u32 tiling_mode; |
/** |
* Returned address bit 6 swizzling required for CPU access through |
* mmap mapping. |
*/ |
__u32 swizzle_mode; |
}; |
struct drm_i915_gem_get_aperture { |
/** Total size of the aperture used by i915_gem_execbuffer, in bytes */ |
__u64 aper_size; |
/** |
* Available space in the aperture used by i915_gem_execbuffer, in |
* bytes |
*/ |
__u64 aper_available_size; |
}; |
struct drm_i915_get_pipe_from_crtc_id { |
/** ID of CRTC being requested **/ |
__u32 crtc_id; |
/** pipe of requested CRTC **/ |
__u32 pipe; |
}; |
#define I915_MADV_WILLNEED 0 |
#define I915_MADV_DONTNEED 1 |
#define __I915_MADV_PURGED 2 /* internal state */ |
struct drm_i915_gem_madvise { |
/** Handle of the buffer to change the backing store advice */ |
__u32 handle; |
/* Advice: either the buffer will be needed again in the near future, |
* or wont be and could be discarded under memory pressure. |
*/ |
__u32 madv; |
/** Whether the backing store still exists. */ |
__u32 retained; |
}; |
/* flags */ |
#define I915_OVERLAY_TYPE_MASK 0xff |
#define I915_OVERLAY_YUV_PLANAR 0x01 |
#define I915_OVERLAY_YUV_PACKED 0x02 |
#define I915_OVERLAY_RGB 0x03 |
#define I915_OVERLAY_DEPTH_MASK 0xff00 |
#define I915_OVERLAY_RGB24 0x1000 |
#define I915_OVERLAY_RGB16 0x2000 |
#define I915_OVERLAY_RGB15 0x3000 |
#define I915_OVERLAY_YUV422 0x0100 |
#define I915_OVERLAY_YUV411 0x0200 |
#define I915_OVERLAY_YUV420 0x0300 |
#define I915_OVERLAY_YUV410 0x0400 |
#define I915_OVERLAY_SWAP_MASK 0xff0000 |
#define I915_OVERLAY_NO_SWAP 0x000000 |
#define I915_OVERLAY_UV_SWAP 0x010000 |
#define I915_OVERLAY_Y_SWAP 0x020000 |
#define I915_OVERLAY_Y_AND_UV_SWAP 0x030000 |
#define I915_OVERLAY_FLAGS_MASK 0xff000000 |
#define I915_OVERLAY_ENABLE 0x01000000 |
struct drm_intel_overlay_put_image { |
/* various flags and src format description */ |
__u32 flags; |
/* source picture description */ |
__u32 bo_handle; |
/* stride values and offsets are in bytes, buffer relative */ |
__u16 stride_Y; /* stride for packed formats */ |
__u16 stride_UV; |
__u32 offset_Y; /* offset for packet formats */ |
__u32 offset_U; |
__u32 offset_V; |
/* in pixels */ |
__u16 src_width; |
__u16 src_height; |
/* to compensate the scaling factors for partially covered surfaces */ |
__u16 src_scan_width; |
__u16 src_scan_height; |
/* output crtc description */ |
__u32 crtc_id; |
__u16 dst_x; |
__u16 dst_y; |
__u16 dst_width; |
__u16 dst_height; |
}; |
/* flags */ |
#define I915_OVERLAY_UPDATE_ATTRS (1<<0) |
#define I915_OVERLAY_UPDATE_GAMMA (1<<1) |
struct drm_intel_overlay_attrs { |
__u32 flags; |
__u32 color_key; |
__s32 brightness; |
__u32 contrast; |
__u32 saturation; |
__u32 gamma0; |
__u32 gamma1; |
__u32 gamma2; |
__u32 gamma3; |
__u32 gamma4; |
__u32 gamma5; |
}; |
/* |
* Intel sprite handling |
* |
* Color keying works with a min/mask/max tuple. Both source and destination |
* color keying is allowed. |
* |
* Source keying: |
* Sprite pixels within the min & max values, masked against the color channels |
* specified in the mask field, will be transparent. All other pixels will |
* be displayed on top of the primary plane. For RGB surfaces, only the min |
* and mask fields will be used; ranged compares are not allowed. |
* |
* Destination keying: |
* Primary plane pixels that match the min value, masked against the color |
* channels specified in the mask field, will be replaced by corresponding |
* pixels from the sprite plane. |
* |
* Note that source & destination keying are exclusive; only one can be |
* active on a given plane. |
*/ |
#define I915_SET_COLORKEY_NONE (1<<0) /* disable color key matching */ |
#define I915_SET_COLORKEY_DESTINATION (1<<1) |
#define I915_SET_COLORKEY_SOURCE (1<<2) |
struct drm_intel_sprite_colorkey { |
__u32 plane_id; |
__u32 min_value; |
__u32 channel_mask; |
__u32 max_value; |
__u32 flags; |
}; |
struct drm_i915_gem_wait { |
/** Handle of BO we shall wait on */ |
__u32 bo_handle; |
__u32 flags; |
/** Number of nanoseconds to wait, Returns time remaining. */ |
__s64 timeout_ns; |
}; |
struct drm_i915_gem_context_create { |
/* output: id of new context*/ |
__u32 ctx_id; |
__u32 pad; |
}; |
struct drm_i915_gem_context_destroy { |
__u32 ctx_id; |
__u32 pad; |
}; |
struct drm_i915_reg_read { |
__u64 offset; |
__u64 val; /* Return value */ |
}; |
#endif /* _UAPI_I915_DRM_H_ */ |
#endif /* _I915_DRM_H_ */ |
/drivers/include/drm/intel-gtt.h |
---|
5,26 → 5,8 |
struct agp_bridge_data; |
struct intel_gtt { |
/* Size of memory reserved for graphics by the BIOS */ |
unsigned int stolen_size; |
/* Total number of gtt entries. */ |
unsigned int gtt_total_entries; |
/* Part of the gtt that is mappable by the cpu, for those chips where |
* this is not the full gtt. */ |
unsigned int gtt_mappable_entries; |
/* Whether i915 needs to use the dmar apis or not. */ |
unsigned int needs_dmar : 1; |
/* Whether we idle the gpu before mapping/unmapping */ |
unsigned int do_idle_maps : 1; |
/* Share the scratch page dma with ppgtts. */ |
dma_addr_t scratch_page_dma; |
struct page *scratch_page; |
/* for ppgtt PDE access */ |
u32 __iomem *gtt; |
/* needed for ioremap in drm/i915 */ |
phys_addr_t gma_bus_addr; |
} *intel_gtt_get(void); |
void intel_gtt_get(size_t *gtt_total, size_t *stolen_size, |
phys_addr_t *mappable_base, unsigned long *mappable_end); |
int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev, |
struct agp_bridge_data *bridge); |
42,10 → 24,6 |
#define AGP_DCACHE_MEMORY 1 |
#define AGP_PHYS_MEMORY 2 |
/* New caching attributes for gen6/sandybridge */ |
#define AGP_USER_CACHED_MEMORY_LLC_MLC (AGP_USER_TYPES + 2) |
#define AGP_USER_UNCACHED_MEMORY (AGP_USER_TYPES + 4) |
/* flag for GFDT type */ |
#define AGP_USER_CACHED_MEMORY_GFDT (1 << 3) |
/drivers/include/drm/ttm/ttm_execbuf_util.h |
---|
0,0 → 1,109 |
/************************************************************************** |
* |
* Copyright (c) 2006-2009 VMware, Inc., Palo Alto, CA., USA |
* All Rights Reserved. |
* |
* Permission is hereby granted, free of charge, to any person obtaining a |
* copy of this software and associated documentation files (the |
* "Software"), to deal in the Software without restriction, including |
* without limitation the rights to use, copy, modify, merge, publish, |
* distribute, sub license, and/or sell copies of the Software, and to |
* permit persons to whom the Software is furnished to do so, subject to |
* the following conditions: |
* |
* The above copyright notice and this permission notice (including the |
* next paragraph) shall be included in all copies or substantial portions |
* of the Software. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
* USE OR OTHER DEALINGS IN THE SOFTWARE. |
* |
**************************************************************************/ |
/* |
* Authors: Thomas Hellstrom <thellstrom-at-vmware-dot-com> |
*/ |
#ifndef _TTM_EXECBUF_UTIL_H_ |
#define _TTM_EXECBUF_UTIL_H_ |
#include <ttm/ttm_bo_api.h> |
#include <linux/list.h> |
/** |
* struct ttm_validate_buffer |
* |
* @head: list head for thread-private list. |
* @bo: refcounted buffer object pointer. |
* @reserved: Indicates whether @bo has been reserved for validation. |
* @removed: Indicates whether @bo has been removed from lru lists. |
* @put_count: Number of outstanding references on bo::list_kref. |
* @old_sync_obj: Pointer to a sync object about to be unreferenced |
*/ |
struct ttm_validate_buffer { |
struct list_head head; |
struct ttm_buffer_object *bo; |
bool reserved; |
bool removed; |
int put_count; |
void *old_sync_obj; |
}; |
/** |
* function ttm_eu_backoff_reservation |
* |
* @list: thread private list of ttm_validate_buffer structs. |
* |
* Undoes all buffer validation reservations for bos pointed to by |
* the list entries. |
*/ |
extern void ttm_eu_backoff_reservation(struct list_head *list); |
/** |
* function ttm_eu_reserve_buffers |
* |
* @list: thread private list of ttm_validate_buffer structs. |
* |
* Tries to reserve bos pointed to by the list entries for validation. |
* If the function returns 0, all buffers are marked as "unfenced", |
* taken off the lru lists and are not synced for write CPU usage. |
* |
* If the function detects a deadlock due to multiple threads trying to |
* reserve the same buffers in reverse order, all threads except one will |
* back off and retry. This function may sleep while waiting for |
* CPU write reservations to be cleared, and for other threads to |
* unreserve their buffers. |
* |
* This function may return -ERESTART or -EAGAIN if the calling process |
* receives a signal while waiting. In that case, no buffers on the list |
* will be reserved upon return. |
* |
* Buffers reserved by this function should be unreserved by |
* a call to either ttm_eu_backoff_reservation() or |
* ttm_eu_fence_buffer_objects() when command submission is complete or |
* has failed. |
*/ |
extern int ttm_eu_reserve_buffers(struct list_head *list); |
/** |
* function ttm_eu_fence_buffer_objects. |
* |
* @list: thread private list of ttm_validate_buffer structs. |
* @sync_obj: The new sync object for the buffers. |
* |
* This function should be called when command submission is complete, and |
* it will add a new sync object to bos pointed to by entries on @list. |
* It also unreserves all buffers, putting them on lru lists. |
* |
*/ |
extern void ttm_eu_fence_buffer_objects(struct list_head *list, void *sync_obj); |
#endif |
/drivers/include/drm/ttm/ttm_lock.h |
---|
0,0 → 1,247 |
/************************************************************************** |
* |
* Copyright (c) 2007-2009 VMware, Inc., Palo Alto, CA., USA |
* All Rights Reserved. |
* |
* Permission is hereby granted, free of charge, to any person obtaining a |
* copy of this software and associated documentation files (the |
* "Software"), to deal in the Software without restriction, including |
* without limitation the rights to use, copy, modify, merge, publish, |
* distribute, sub license, and/or sell copies of the Software, and to |
* permit persons to whom the Software is furnished to do so, subject to |
* the following conditions: |
* |
* The above copyright notice and this permission notice (including the |
* next paragraph) shall be included in all copies or substantial portions |
* of the Software. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
* USE OR OTHER DEALINGS IN THE SOFTWARE. |
* |
**************************************************************************/ |
/* |
* Authors: Thomas Hellstrom <thellstrom-at-vmware-dot-com> |
*/ |
/** @file ttm_lock.h |
* This file implements a simple replacement for the buffer manager use |
* of the DRM heavyweight hardware lock. |
* The lock is a read-write lock. Taking it in read mode and write mode |
* is relatively fast, and intended for in-kernel use only. |
* |
* The vt mode is used only when there is a need to block all |
* user-space processes from validating buffers. |
* It's allowed to leave kernel space with the vt lock held. |
* If a user-space process dies while having the vt-lock, |
* it will be released during the file descriptor release. The vt lock |
* excludes write lock and read lock. |
* |
* The suspend mode is used to lock out all TTM users when preparing for |
* and executing suspend operations. |
* |
*/ |
#ifndef _TTM_LOCK_H_ |
#define _TTM_LOCK_H_ |
#include <ttm/ttm_object.h> |
#include <linux/wait.h> |
#include <linux/atomic.h> |
/** |
* struct ttm_lock |
* |
* @base: ttm base object used solely to release the lock if the client |
* holding the lock dies. |
* @queue: Queue for processes waiting for lock change-of-status. |
* @lock: Spinlock protecting some lock members. |
* @rw: Read-write lock counter. Protected by @lock. |
* @flags: Lock state. Protected by @lock. |
* @kill_takers: Boolean whether to kill takers of the lock. |
* @signal: Signal to send when kill_takers is true. |
*/ |
struct ttm_lock { |
struct ttm_base_object base; |
wait_queue_head_t queue; |
spinlock_t lock; |
int32_t rw; |
uint32_t flags; |
bool kill_takers; |
int signal; |
struct ttm_object_file *vt_holder; |
}; |
/** |
* ttm_lock_init |
* |
* @lock: Pointer to a struct ttm_lock |
* Initializes the lock. |
*/ |
extern void ttm_lock_init(struct ttm_lock *lock); |
/** |
* ttm_read_unlock |
* |
* @lock: Pointer to a struct ttm_lock |
* |
* Releases a read lock. |
*/ |
extern void ttm_read_unlock(struct ttm_lock *lock); |
/** |
* ttm_read_lock |
* |
* @lock: Pointer to a struct ttm_lock |
* @interruptible: Interruptible sleeping while waiting for a lock. |
* |
* Takes the lock in read mode. |
* Returns: |
* -ERESTARTSYS If interrupted by a signal and interruptible is true. |
*/ |
extern int ttm_read_lock(struct ttm_lock *lock, bool interruptible); |
/** |
* ttm_read_trylock |
* |
* @lock: Pointer to a struct ttm_lock |
* @interruptible: Interruptible sleeping while waiting for a lock. |
* |
* Tries to take the lock in read mode. If the lock is already held |
* in write mode, the function will return -EBUSY. If the lock is held |
* in vt or suspend mode, the function will sleep until these modes |
* are unlocked. |
* |
* Returns: |
* -EBUSY The lock was already held in write mode. |
* -ERESTARTSYS If interrupted by a signal and interruptible is true. |
*/ |
extern int ttm_read_trylock(struct ttm_lock *lock, bool interruptible); |
/** |
* ttm_write_unlock |
* |
* @lock: Pointer to a struct ttm_lock |
* |
* Releases a write lock. |
*/ |
extern void ttm_write_unlock(struct ttm_lock *lock); |
/** |
* ttm_write_lock |
* |
* @lock: Pointer to a struct ttm_lock |
* @interruptible: Interruptible sleeping while waiting for a lock. |
* |
* Takes the lock in write mode. |
* Returns: |
* -ERESTARTSYS If interrupted by a signal and interruptible is true. |
*/ |
extern int ttm_write_lock(struct ttm_lock *lock, bool interruptible); |
/** |
* ttm_lock_downgrade |
* |
* @lock: Pointer to a struct ttm_lock |
* |
* Downgrades a write lock to a read lock. |
*/ |
extern void ttm_lock_downgrade(struct ttm_lock *lock); |
/** |
* ttm_suspend_lock |
* |
* @lock: Pointer to a struct ttm_lock |
* |
* Takes the lock in suspend mode. Excludes read and write mode. |
*/ |
extern void ttm_suspend_lock(struct ttm_lock *lock); |
/** |
* ttm_suspend_unlock |
* |
* @lock: Pointer to a struct ttm_lock |
* |
* Releases a suspend lock |
*/ |
extern void ttm_suspend_unlock(struct ttm_lock *lock); |
/** |
* ttm_vt_lock |
* |
* @lock: Pointer to a struct ttm_lock |
* @interruptible: Interruptible sleeping while waiting for a lock. |
* @tfile: Pointer to a struct ttm_object_file to register the lock with. |
* |
* Takes the lock in vt mode. |
* Returns: |
* -ERESTARTSYS If interrupted by a signal and interruptible is true. |
* -ENOMEM: Out of memory when locking. |
*/ |
extern int ttm_vt_lock(struct ttm_lock *lock, bool interruptible, |
struct ttm_object_file *tfile); |
/** |
* ttm_vt_unlock |
* |
* @lock: Pointer to a struct ttm_lock |
* |
* Releases a vt lock. |
* Returns: |
* -EINVAL If the lock was not held. |
*/ |
extern int ttm_vt_unlock(struct ttm_lock *lock); |
/** |
* ttm_write_unlock |
* |
* @lock: Pointer to a struct ttm_lock |
* |
* Releases a write lock. |
*/ |
extern void ttm_write_unlock(struct ttm_lock *lock); |
/** |
* ttm_write_lock |
* |
* @lock: Pointer to a struct ttm_lock |
* @interruptible: Interruptible sleeping while waiting for a lock. |
* |
* Takes the lock in write mode. |
* Returns: |
* -ERESTARTSYS If interrupted by a signal and interruptible is true. |
*/ |
extern int ttm_write_lock(struct ttm_lock *lock, bool interruptible); |
/** |
* ttm_lock_set_kill |
* |
* @lock: Pointer to a struct ttm_lock |
* @val: Boolean whether to kill processes taking the lock. |
* @signal: Signal to send to the process taking the lock. |
* |
* The kill-when-taking-lock functionality is used to kill processes that keep |
* on using the TTM functionality when its resources has been taken down, for |
* example when the X server exits. A typical sequence would look like this: |
* - X server takes lock in write mode. |
* - ttm_lock_set_kill() is called with @val set to true. |
* - As part of X server exit, TTM resources are taken down. |
* - X server releases the lock on file release. |
* - Another dri client wants to render, takes the lock and is killed. |
* |
*/ |
static inline void ttm_lock_set_kill(struct ttm_lock *lock, bool val, |
int signal) |
{ |
lock->kill_takers = val; |
if (val) |
lock->signal = signal; |
} |
#endif |
/drivers/include/drm/ttm/ttm_object.h |
---|
0,0 → 1,275 |
/************************************************************************** |
* |
* Copyright (c) 2006-2009 VMware, Inc., Palo Alto, CA., USA |
* All Rights Reserved. |
* |
* Permission is hereby granted, free of charge, to any person obtaining a |
* copy of this software and associated documentation files (the |
* "Software"), to deal in the Software without restriction, including |
* without limitation the rights to use, copy, modify, merge, publish, |
* distribute, sub license, and/or sell copies of the Software, and to |
* permit persons to whom the Software is furnished to do so, subject to |
* the following conditions: |
* |
* The above copyright notice and this permission notice (including the |
* next paragraph) shall be included in all copies or substantial portions |
* of the Software. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
* USE OR OTHER DEALINGS IN THE SOFTWARE. |
* |
**************************************************************************/ |
/* |
* Authors: Thomas Hellstrom <thellstrom-at-vmware-dot-com> |
*/ |
/** @file ttm_object.h |
* |
* Base- and reference object implementation for the various |
* ttm objects. Implements reference counting, minimal security checks |
* and release on file close. |
*/ |
#ifndef _TTM_OBJECT_H_ |
#define _TTM_OBJECT_H_ |
#include <linux/list.h> |
#include <drm/drm_hashtab.h> |
#include <linux/kref.h> |
#include <linux/rcupdate.h> |
#include <ttm/ttm_memory.h> |
/** |
* enum ttm_ref_type |
* |
* Describes what type of reference a ref object holds. |
* |
* TTM_REF_USAGE is a simple refcount on a base object. |
* |
* TTM_REF_SYNCCPU_READ is a SYNCCPU_READ reference on a |
* buffer object. |
* |
* TTM_REF_SYNCCPU_WRITE is a SYNCCPU_WRITE reference on a |
* buffer object. |
* |
*/ |
enum ttm_ref_type { |
TTM_REF_USAGE, |
TTM_REF_SYNCCPU_READ, |
TTM_REF_SYNCCPU_WRITE, |
TTM_REF_NUM |
}; |
/** |
* enum ttm_object_type |
* |
* One entry per ttm object type. |
* Device-specific types should use the |
* ttm_driver_typex types. |
*/ |
enum ttm_object_type { |
ttm_fence_type, |
ttm_buffer_type, |
ttm_lock_type, |
ttm_driver_type0 = 256, |
ttm_driver_type1, |
ttm_driver_type2, |
ttm_driver_type3, |
ttm_driver_type4, |
ttm_driver_type5 |
}; |
struct ttm_object_file; |
struct ttm_object_device; |
/** |
* struct ttm_base_object |
* |
* @hash: hash entry for the per-device object hash. |
* @type: derived type this object is base class for. |
* @shareable: Other ttm_object_files can access this object. |
* |
* @tfile: Pointer to ttm_object_file of the creator. |
* NULL if the object was not created by a user request. |
* (kernel object). |
* |
* @refcount: Number of references to this object, not |
* including the hash entry. A reference to a base object can |
* only be held by a ref object. |
* |
* @refcount_release: A function to be called when there are |
* no more references to this object. This function should |
* destroy the object (or make sure destruction eventually happens), |
* and when it is called, the object has |
* already been taken out of the per-device hash. The parameter |
* "base" should be set to NULL by the function. |
* |
* @ref_obj_release: A function to be called when a reference object |
* with another ttm_ref_type than TTM_REF_USAGE is deleted. |
* This function may, for example, release a lock held by a user-space |
* process. |
* |
* This struct is intended to be used as a base struct for objects that |
* are visible to user-space. It provides a global name, race-safe |
* access and refcounting, minimal access contol and hooks for unref actions. |
*/ |
struct ttm_base_object { |
struct rcu_head rhead; |
struct drm_hash_item hash; |
enum ttm_object_type object_type; |
bool shareable; |
struct ttm_object_file *tfile; |
struct kref refcount; |
void (*refcount_release) (struct ttm_base_object **base); |
void (*ref_obj_release) (struct ttm_base_object *base, |
enum ttm_ref_type ref_type); |
}; |
/** |
* ttm_base_object_init |
* |
* @tfile: Pointer to a struct ttm_object_file. |
* @base: The struct ttm_base_object to initialize. |
* @shareable: This object is shareable with other applcations. |
* (different @tfile pointers.) |
* @type: The object type. |
* @refcount_release: See the struct ttm_base_object description. |
* @ref_obj_release: See the struct ttm_base_object description. |
* |
* Initializes a struct ttm_base_object. |
*/ |
extern int ttm_base_object_init(struct ttm_object_file *tfile, |
struct ttm_base_object *base, |
bool shareable, |
enum ttm_object_type type, |
void (*refcount_release) (struct ttm_base_object |
**), |
void (*ref_obj_release) (struct ttm_base_object |
*, |
enum ttm_ref_type |
ref_type)); |
/** |
* ttm_base_object_lookup |
* |
* @tfile: Pointer to a struct ttm_object_file. |
* @key: Hash key |
* |
* Looks up a struct ttm_base_object with the key @key. |
* Also verifies that the object is visible to the application, by |
* comparing the @tfile argument and checking the object shareable flag. |
*/ |
extern struct ttm_base_object *ttm_base_object_lookup(struct ttm_object_file |
*tfile, uint32_t key); |
/** |
* ttm_base_object_unref |
* |
* @p_base: Pointer to a pointer referencing a struct ttm_base_object. |
* |
* Decrements the base object refcount and clears the pointer pointed to by |
* p_base. |
*/ |
extern void ttm_base_object_unref(struct ttm_base_object **p_base); |
/** |
* ttm_ref_object_add. |
* |
* @tfile: A struct ttm_object_file representing the application owning the |
* ref_object. |
* @base: The base object to reference. |
* @ref_type: The type of reference. |
* @existed: Upon completion, indicates that an identical reference object |
* already existed, and the refcount was upped on that object instead. |
* |
* Adding a ref object to a base object is basically like referencing the |
* base object, but a user-space application holds the reference. When the |
* file corresponding to @tfile is closed, all its reference objects are |
* deleted. A reference object can have different types depending on what |
* it's intended for. It can be refcounting to prevent object destruction, |
* When user-space takes a lock, it can add a ref object to that lock to |
* make sure the lock is released if the application dies. A ref object |
* will hold a single reference on a base object. |
*/ |
extern int ttm_ref_object_add(struct ttm_object_file *tfile, |
struct ttm_base_object *base, |
enum ttm_ref_type ref_type, bool *existed); |
/** |
* ttm_ref_object_base_unref |
* |
* @key: Key representing the base object. |
* @ref_type: Ref type of the ref object to be dereferenced. |
* |
* Unreference a ref object with type @ref_type |
* on the base object identified by @key. If there are no duplicate |
* references, the ref object will be destroyed and the base object |
* will be unreferenced. |
*/ |
extern int ttm_ref_object_base_unref(struct ttm_object_file *tfile, |
unsigned long key, |
enum ttm_ref_type ref_type); |
/** |
* ttm_object_file_init - initialize a struct ttm_object file |
* |
* @tdev: A struct ttm_object device this file is initialized on. |
* @hash_order: Order of the hash table used to hold the reference objects. |
* |
* This is typically called by the file_ops::open function. |
*/ |
extern struct ttm_object_file *ttm_object_file_init(struct ttm_object_device |
*tdev, |
unsigned int hash_order); |
/** |
* ttm_object_file_release - release data held by a ttm_object_file |
* |
* @p_tfile: Pointer to pointer to the ttm_object_file object to release. |
* *p_tfile will be set to NULL by this function. |
* |
* Releases all data associated by a ttm_object_file. |
* Typically called from file_ops::release. The caller must |
* ensure that there are no concurrent users of tfile. |
*/ |
extern void ttm_object_file_release(struct ttm_object_file **p_tfile); |
/** |
* ttm_object device init - initialize a struct ttm_object_device |
* |
* @hash_order: Order of hash table used to hash the base objects. |
* |
* This function is typically called on device initialization to prepare |
* data structures needed for ttm base and ref objects. |
*/ |
extern struct ttm_object_device *ttm_object_device_init |
(struct ttm_mem_global *mem_glob, unsigned int hash_order); |
/** |
* ttm_object_device_release - release data held by a ttm_object_device |
* |
* @p_tdev: Pointer to pointer to the ttm_object_device object to release. |
* *p_tdev will be set to NULL by this function. |
* |
* Releases all data associated by a ttm_object_device. |
* Typically called from driver::unload before the destruction of the |
* device private data structure. |
*/ |
extern void ttm_object_device_release(struct ttm_object_device **p_tdev); |
#define ttm_base_object_kfree(__object, __base)\ |
kfree_rcu(__object, __base.rhead) |
#endif |
/drivers/include/drm/ttm/ttm_page_alloc.h |
---|
0,0 → 1,99 |
/* |
* Copyright (c) Red Hat Inc. |
* Permission is hereby granted, free of charge, to any person obtaining a |
* copy of this software and associated documentation files (the "Software"), |
* to deal in the Software without restriction, including without limitation |
* the rights to use, copy, modify, merge, publish, distribute, sub license, |
* and/or sell copies of the Software, and to permit persons to whom the |
* Software is furnished to do so, subject to the following conditions: |
* |
* The above copyright notice and this permission notice (including the |
* next paragraph) shall be included in all copies or substantial portions |
* of the Software. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
* DEALINGS IN THE SOFTWARE. |
* |
* Authors: Dave Airlie <airlied@redhat.com> |
* Jerome Glisse <jglisse@redhat.com> |
*/ |
#ifndef TTM_PAGE_ALLOC |
#define TTM_PAGE_ALLOC |
#include <drm/ttm/ttm_bo_driver.h> |
#include <drm/ttm/ttm_memory.h> |
/** |
* Initialize pool allocator. |
*/ |
int ttm_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages); |
/** |
* Free pool allocator. |
*/ |
void ttm_page_alloc_fini(void); |
/** |
* ttm_pool_populate: |
* |
* @ttm: The struct ttm_tt to contain the backing pages. |
* |
* Add backing pages to all of @ttm |
*/ |
extern int ttm_pool_populate(struct ttm_tt *ttm); |
/** |
* ttm_pool_unpopulate: |
* |
* @ttm: The struct ttm_tt which to free backing pages. |
* |
* Free all pages of @ttm |
*/ |
extern void ttm_pool_unpopulate(struct ttm_tt *ttm); |
/** |
* Output the state of pools to debugfs file |
*/ |
extern int ttm_page_alloc_debugfs(struct seq_file *m, void *data); |
#ifdef CONFIG_SWIOTLB |
/** |
* Initialize pool allocator. |
*/ |
int ttm_dma_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages); |
/** |
* Free pool allocator. |
*/ |
void ttm_dma_page_alloc_fini(void); |
/** |
* Output the state of pools to debugfs file |
*/ |
extern int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data); |
extern int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev); |
extern void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev); |
#else |
static inline int ttm_dma_page_alloc_init(struct ttm_mem_global *glob, |
unsigned max_pages) |
{ |
return -ENODEV; |
} |
static inline void ttm_dma_page_alloc_fini(void) { return; } |
static inline int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data) |
{ |
return 0; |
} |
#endif |
#endif |