diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/drm.h | 64 | ||||
| -rw-r--r-- | include/drm/drmP.h | 71 | ||||
| -rw-r--r-- | include/drm/drm_crtc.h | 44 | ||||
| -rw-r--r-- | include/drm/drm_dp_helper.h | 149 | ||||
| -rw-r--r-- | include/drm/drm_edid.h | 8 | ||||
| -rw-r--r-- | include/drm/drm_mode.h | 80 | ||||
| -rw-r--r-- | include/drm/i915_drm.h | 4 | ||||
| -rw-r--r-- | include/drm/mga_drm.h | 2 | ||||
| -rw-r--r-- | include/drm/radeon_drm.h | 2 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_bo_driver.h | 9 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_execbuf_util.h | 107 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_lock.h | 247 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_memory.h | 1 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_object.h | 267 | ||||
| -rw-r--r-- | include/drm/via_drm.h | 2 |
15 files changed, 1000 insertions, 57 deletions
diff --git a/include/drm/drm.h b/include/drm/drm.h index 7cb50bdde46..43a35b092f0 100644 --- a/include/drm/drm.h +++ b/include/drm/drm.h @@ -36,17 +36,27 @@ #ifndef _DRM_H_ #define _DRM_H_ +#if defined(__linux__) + #include <linux/types.h> -#include <asm/ioctl.h> /* For _IO* macros */ -#define DRM_IOCTL_NR(n) _IOC_NR(n) -#define DRM_IOC_VOID _IOC_NONE -#define DRM_IOC_READ _IOC_READ -#define DRM_IOC_WRITE _IOC_WRITE -#define DRM_IOC_READWRITE _IOC_READ|_IOC_WRITE -#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size) +#include <asm/ioctl.h> +typedef unsigned int drm_handle_t; -#define DRM_MAJOR 226 -#define DRM_MAX_MINOR 15 +#else /* One of the BSDs */ + +#include <sys/ioccom.h> +#include <sys/types.h> +typedef int8_t __s8; +typedef uint8_t __u8; +typedef int16_t __s16; +typedef uint16_t __u16; +typedef int32_t __s32; +typedef uint32_t __u32; +typedef int64_t __s64; +typedef uint64_t __u64; +typedef unsigned long drm_handle_t; + +#endif #define DRM_NAME "drm" /**< Name in kernel, /dev, and /proc */ #define DRM_MIN_ORDER 5 /**< At least 2^5 bytes = 32 bytes */ @@ -59,7 +69,6 @@ #define _DRM_LOCK_IS_CONT(lock) ((lock) & _DRM_LOCK_CONT) #define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT)) -typedef unsigned int drm_handle_t; typedef unsigned int drm_context_t; typedef unsigned int drm_drawable_t; typedef unsigned int drm_magic_t; @@ -454,6 +463,7 @@ struct drm_irq_busid { enum drm_vblank_seq_type { _DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */ _DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */ + _DRM_VBLANK_EVENT = 0x4000000, /**< Send event instead of blocking */ _DRM_VBLANK_FLIP = 0x8000000, /**< Scheduled buffer swap should flip */ _DRM_VBLANK_NEXTONMISS = 0x10000000, /**< If missed, wait for next vblank */ _DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */ @@ -461,8 +471,8 @@ enum drm_vblank_seq_type { }; #define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE) -#define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_SIGNAL | _DRM_VBLANK_SECONDARY | \ - _DRM_VBLANK_NEXTONMISS) +#define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | \ + _DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS) struct drm_wait_vblank_request { enum drm_vblank_seq_type type; @@ -686,6 +696,8 @@ struct drm_gem_open { #define DRM_IOCTL_MODE_GETFB DRM_IOWR(0xAD, struct drm_mode_fb_cmd) #define DRM_IOCTL_MODE_ADDFB DRM_IOWR(0xAE, struct drm_mode_fb_cmd) #define DRM_IOCTL_MODE_RMFB DRM_IOWR(0xAF, unsigned int) +#define DRM_IOCTL_MODE_PAGE_FLIP DRM_IOWR(0xB0, struct drm_mode_crtc_page_flip) +#define DRM_IOCTL_MODE_DIRTYFB DRM_IOWR(0xB1, struct drm_mode_fb_dirty_cmd) /** * Device specific ioctls should only be in their respective headers @@ -698,6 +710,34 @@ struct drm_gem_open { #define DRM_COMMAND_BASE 0x40 #define DRM_COMMAND_END 0xA0 +/** + * Header for events written back to userspace on the drm fd. The + * type defines the type of event, the length specifies the total + * length of the event (including the header), and user_data is + * typically a 64 bit value passed with the ioctl that triggered the + * event. A read on the drm fd will always only return complete + * events, that is, if for example the read buffer is 100 bytes, and + * there are two 64 byte events pending, only one will be returned. + * + * Event types 0 - 0x7fffffff are generic drm events, 0x80000000 and + * up are chipset specific. + */ +struct drm_event { + __u32 type; + __u32 length; +}; + +#define DRM_EVENT_VBLANK 0x01 + +struct drm_event_vblank { + struct drm_event base; + __u64 user_data; + __u32 tv_sec; + __u32 tv_usec; + __u32 sequence; + __u32 reserved; +}; + /* typedef area */ #ifndef __KERNEL__ typedef struct drm_clip_rect drm_clip_rect_t; diff --git a/include/drm/drmP.h b/include/drm/drmP.h index c8e64bbadbc..db56a6add5d 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -245,16 +245,6 @@ extern void drm_ut_debug_printk(unsigned int request_level, #endif -#define DRM_PROC_LIMIT (PAGE_SIZE-80) - -#define DRM_PROC_PRINT(fmt, arg...) \ - len += sprintf(&buf[len], fmt , ##arg); \ - if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; } - -#define DRM_PROC_PRINT_RET(ret, fmt, arg...) \ - len += sprintf(&buf[len], fmt , ##arg); \ - if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; } - /*@}*/ /***********************************************************************/ @@ -265,19 +255,8 @@ extern void drm_ut_debug_printk(unsigned int request_level, #define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) -#define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist) #define DRM_IF_VERSION(maj, min) (maj << 16 | min) -/** - * Get the private SAREA mapping. - * - * \param _dev DRM device. - * \param _ctx context number. - * \param _map output mapping. - */ -#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ - (_map) = (_dev)->context_sareas[_ctx]; \ -} while(0) /** * Test that the hardware lock is held by the caller, returning otherwise. @@ -297,18 +276,6 @@ do { \ } while (0) /** - * Copy and IOCTL return string to user space - */ -#define DRM_COPY( name, value ) \ - len = strlen( value ); \ - if ( len > name##_len ) len = name##_len; \ - name##_len = strlen( value ); \ - if ( len && name ) { \ - if ( copy_to_user( name, value, len ) ) \ - return -EFAULT; \ - } - -/** * Ioctl function type. * * \param inode device inode. @@ -322,6 +289,9 @@ typedef int drm_ioctl_t(struct drm_device *dev, void *data, typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, unsigned long arg); +#define DRM_IOCTL_NR(n) _IOC_NR(n) +#define DRM_MAJOR 226 + #define DRM_AUTH 0x1 #define DRM_MASTER 0x2 #define DRM_ROOT_ONLY 0x4 @@ -426,6 +396,14 @@ struct drm_buf_entry { struct drm_freelist freelist; }; +/* Event queued up for userspace to read */ +struct drm_pending_event { + struct drm_event *event; + struct list_head link; + struct drm_file *file_priv; + void (*destroy)(struct drm_pending_event *event); +}; + /** File private data */ struct drm_file { int authenticated; @@ -449,6 +427,10 @@ struct drm_file { struct drm_master *master; /* master this node is currently associated with N.B. not always minor->master */ struct list_head fbs; + + wait_queue_head_t event_wait; + struct list_head event_list; + int event_space; }; /** Wait queue */ @@ -795,6 +777,15 @@ struct drm_driver { /* Master routines */ int (*master_create)(struct drm_device *dev, struct drm_master *master); void (*master_destroy)(struct drm_device *dev, struct drm_master *master); + /** + * master_set is called whenever the minor master is set. + * master_drop is called whenever the minor master is dropped. + */ + + int (*master_set)(struct drm_device *dev, struct drm_file *file_priv, + bool from_open); + void (*master_drop)(struct drm_device *dev, struct drm_file *file_priv, + bool from_release); int (*proc_init)(struct drm_minor *minor); void (*proc_cleanup)(struct drm_minor *minor); @@ -900,6 +891,12 @@ struct drm_minor { struct drm_mode_group mode_group; }; +struct drm_pending_vblank_event { + struct drm_pending_event base; + int pipe; + struct drm_event_vblank event; +}; + /** * DRM device structure. This structure represent a complete card that * may contain multiple heads. @@ -999,6 +996,12 @@ struct drm_device { u32 max_vblank_count; /**< size of vblank counter register */ + /** + * List of events + */ + struct list_head vblank_event_list; + spinlock_t event_lock; + /*@} */ cycles_t ctx_start; cycles_t lck_start; @@ -1135,6 +1138,8 @@ extern int drm_lastclose(struct drm_device *dev); extern int drm_open(struct inode *inode, struct file *filp); extern int drm_stub_open(struct inode *inode, struct file *filp); extern int drm_fasync(int fd, struct file *filp, int on); +extern ssize_t drm_read(struct file *filp, char __user *buffer, + size_t count, loff_t *offset); extern int drm_release(struct inode *inode, struct file *filp); /* Mapping support (drm_vm.h) */ diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index b69347b8904..219f075d273 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -123,7 +123,7 @@ struct drm_display_mode { int type; /* Proposed mode values */ - int clock; + int clock; /* in kHz */ int hdisplay; int hsync_start; int hsync_end; @@ -164,8 +164,8 @@ struct drm_display_mode { int *private; int private_flags; - int vrefresh; - float hsync; + int vrefresh; /* in Hz */ + int hsync; /* in kHz */ }; enum drm_connector_status { @@ -242,6 +242,21 @@ struct drm_framebuffer_funcs { int (*create_handle)(struct drm_framebuffer *fb, struct drm_file *file_priv, unsigned int *handle); + /** + * Optinal callback for the dirty fb ioctl. + * + * Userspace can notify the driver via this callback + * that a area of the framebuffer has changed and should + * be flushed to the display hardware. + * + * See documentation in drm_mode.h for the struct + * drm_mode_fb_dirty_cmd for more information as all + * the semantics and arguments have a one to one mapping + * on this function. + */ + int (*dirty)(struct drm_framebuffer *framebuffer, unsigned flags, + unsigned color, struct drm_clip_rect *clips, + unsigned num_clips); }; struct drm_framebuffer { @@ -256,7 +271,7 @@ struct drm_framebuffer { unsigned int depth; int bits_per_pixel; int flags; - void *fbdev; + struct fb_info *fbdev; u32 pseudo_palette[17]; struct list_head filp_head; /* if you are using the helper */ @@ -290,6 +305,7 @@ struct drm_property { struct drm_crtc; struct drm_connector; struct drm_encoder; +struct drm_pending_vblank_event; /** * drm_crtc_funcs - control CRTCs for a given device @@ -333,6 +349,19 @@ struct drm_crtc_funcs { void (*destroy)(struct drm_crtc *crtc); int (*set_config)(struct drm_mode_set *set); + + /* + * Flip to the given framebuffer. This implements the page + * flip ioctl descibed in drm_mode.h, specifically, the + * implementation must return immediately and block all + * rendering to the current fb until the flip has completed. + * If userspace set the event flag in the ioctl, the event + * argument will point to an event to send back when the flip + * completes, otherwise it will be NULL. + */ + int (*page_flip)(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_pending_vblank_event *event); }; /** @@ -596,6 +625,7 @@ struct drm_mode_config { /* Optional properties */ struct drm_property *scaling_mode_property; struct drm_property *dithering_mode_property; + struct drm_property *dirty_info_property; }; #define obj_to_crtc(x) container_of(x, struct drm_crtc, base) @@ -667,6 +697,7 @@ extern void drm_mode_validate_size(struct drm_device *dev, extern void drm_mode_prune_invalid(struct drm_device *dev, struct list_head *mode_list, bool verbose); extern void drm_mode_sort(struct list_head *mode_list); +extern int drm_mode_hsync(struct drm_display_mode *mode); extern int drm_mode_vrefresh(struct drm_display_mode *mode); extern void drm_mode_set_crtcinfo(struct drm_display_mode *p, int adjust_flags); @@ -703,6 +734,7 @@ extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats char *formats[]); extern int drm_mode_create_scaling_mode_property(struct drm_device *dev); extern int drm_mode_create_dithering_property(struct drm_device *dev); +extern int drm_mode_create_dirty_info_property(struct drm_device *dev); extern char *drm_get_encoder_name(struct drm_encoder *encoder); extern int drm_mode_connector_attach_encoder(struct drm_connector *connector, @@ -730,6 +762,8 @@ extern int drm_mode_rmfb(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_mode_getfb(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev, + void *data, struct drm_file *file_priv); extern int drm_mode_addmode_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_mode_rmmode_ioctl(struct drm_device *dev, @@ -756,6 +790,8 @@ extern int drm_mode_gamma_get_ioctl(struct drm_device *dev, extern int drm_mode_gamma_set_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern bool drm_detect_hdmi_monitor(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, int hdisplay, int vdisplay, int vrefresh, bool reduced, bool interlaced, bool margins); diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h new file mode 100644 index 00000000000..e49879ce95f --- /dev/null +++ b/include/drm/drm_dp_helper.h @@ -0,0 +1,149 @@ +/* + * Copyright © 2008 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#ifndef _DRM_DP_HELPER_H_ +#define _DRM_DP_HELPER_H_ + +/* From the VESA DisplayPort spec */ + +#define AUX_NATIVE_WRITE 0x8 +#define AUX_NATIVE_READ 0x9 +#define AUX_I2C_WRITE 0x0 +#define AUX_I2C_READ 0x1 +#define AUX_I2C_STATUS 0x2 +#define AUX_I2C_MOT 0x4 + +#define AUX_NATIVE_REPLY_ACK (0x0 << 4) +#define AUX_NATIVE_REPLY_NACK (0x1 << 4) +#define AUX_NATIVE_REPLY_DEFER (0x2 << 4) +#define AUX_NATIVE_REPLY_MASK (0x3 << 4) + +#define AUX_I2C_REPLY_ACK (0x0 << 6) +#define AUX_I2C_REPLY_NACK (0x1 << 6) +#define AUX_I2C_REPLY_DEFER (0x2 << 6) +#define AUX_I2C_REPLY_MASK (0x3 << 6) + +/* AUX CH addresses */ +#define DP_LINK_BW_SET 0x100 +# define DP_LINK_BW_1_62 0x06 +# define DP_LINK_BW_2_7 0x0a + +#define DP_LANE_COUNT_SET 0x101 +# define DP_LANE_COUNT_MASK 0x0f +# define DP_LANE_COUNT_ENHANCED_FRAME_EN (1 << 7) + +#define DP_TRAINING_PATTERN_SET 0x102 + +# define DP_TRAINING_PATTERN_DISABLE 0 +# define DP_TRAINING_PATTERN_1 1 +# define DP_TRAINING_PATTERN_2 2 +# define DP_TRAINING_PATTERN_MASK 0x3 + +# define DP_LINK_QUAL_PATTERN_DISABLE (0 << 2) +# define DP_LINK_QUAL_PATTERN_D10_2 (1 << 2) +# define DP_LINK_QUAL_PATTERN_ERROR_RATE (2 << 2) +# define DP_LINK_QUAL_PATTERN_PRBS7 (3 << 2) +# define DP_LINK_QUAL_PATTERN_MASK (3 << 2) + +# define DP_RECOVERED_CLOCK_OUT_EN (1 << 4) +# define DP_LINK_SCRAMBLING_DISABLE (1 << 5) + +# define DP_SYMBOL_ERROR_COUNT_BOTH (0 << 6) +# define DP_SYMBOL_ERROR_COUNT_DISPARITY (1 << 6) +# define DP_SYMBOL_ERROR_COUNT_SYMBOL (2 << 6) +# define DP_SYMBOL_ERROR_COUNT_MASK (3 << 6) + +#define DP_TRAINING_LANE0_SET 0x103 +#define DP_TRAINING_LANE1_SET 0x104 +#define DP_TRAINING_LANE2_SET 0x105 +#define DP_TRAINING_LANE3_SET 0x106 + +# define DP_TRAIN_VOLTAGE_SWING_MASK 0x3 +# define DP_TRAIN_VOLTAGE_SWING_SHIFT 0 +# define DP_TRAIN_MAX_SWING_REACHED (1 << 2) +# define DP_TRAIN_VOLTAGE_SWING_400 (0 << 0) +# define DP_TRAIN_VOLTAGE_SWING_600 (1 << 0) +# define DP_TRAIN_VOLTAGE_SWING_800 (2 << 0) +# define DP_TRAIN_VOLTAGE_SWING_1200 (3 << 0) + +# define DP_TRAIN_PRE_EMPHASIS_MASK (3 << 3) +# define DP_TRAIN_PRE_EMPHASIS_0 (0 << 3) +# define DP_TRAIN_PRE_EMPHASIS_3_5 (1 << 3) +# define DP_TRAIN_PRE_EMPHASIS_6 (2 << 3) +# define DP_TRAIN_PRE_EMPHASIS_9_5 (3 << 3) + +# define DP_TRAIN_PRE_EMPHASIS_SHIFT 3 +# define DP_TRAIN_MAX_PRE_EMPHASIS_REACHED (1 << 5) + +#define DP_DOWNSPREAD_CTRL 0x107 +# define DP_SPREAD_AMP_0_5 (1 << 4) + +#define DP_MAIN_LINK_CHANNEL_CODING_SET 0x108 +# define DP_SET_ANSI_8B10B (1 << 0) + +#define DP_LANE0_1_STATUS 0x202 +#define DP_LANE2_3_STATUS 0x203 + +# define DP_LANE_CR_DONE (1 << 0) +# define DP_LANE_CHANNEL_EQ_DONE (1 << 1) +# define DP_LANE_SYMBOL_LOCKED (1 << 2) + +#define DP_LANE_ALIGN_STATUS_UPDATED 0x204 + +#define DP_INTERLANE_ALIGN_DONE (1 << 0) +#define DP_DOWNSTREAM_PORT_STATUS_CHANGED (1 << 6) +#define DP_LINK_STATUS_UPDATED (1 << 7) + +#define DP_SINK_STATUS 0x205 + +#define DP_RECEIVE_PORT_0_STATUS (1 << 0) +#define DP_RECEIVE_PORT_1_STATUS (1 << 1) + +#define DP_ADJUST_REQUEST_LANE0_1 0x206 +#define DP_ADJUST_REQUEST_LANE2_3 0x207 + +#define DP_ADJUST_VOLTAGE_SWING_LANE0_MASK 0x03 +#define DP_ADJUST_VOLTAGE_SWING_LANE0_SHIFT 0 +#define DP_ADJUST_PRE_EMPHASIS_LANE0_MASK 0x0c +#define DP_ADJUST_PRE_EMPHASIS_LANE0_SHIFT 2 +#define DP_ADJUST_VOLTAGE_SWING_LANE1_MASK 0x30 +#define DP_ADJUST_VOLTAGE_SWING_LANE1_SHIFT 4 +#define DP_ADJUST_PRE_EMPHASIS_LANE1_MASK 0xc0 +#define DP_ADJUST_PRE_EMPHASIS_LANE1_SHIFT 6 + +#define MODE_I2C_START 1 +#define MODE_I2C_WRITE 2 +#define MODE_I2C_READ 4 +#define MODE_I2C_STOP 8 + +struct i2c_algo_dp_aux_data { + bool running; + u16 address; + int (*aux_ch) (struct i2c_adapter *adapter, + int mode, uint8_t write_byte, + uint8_t *read_byte); +}; + +int +i2c_dp_aux_add_bus(struct i2c_adapter *adapter); + +#endif /* _DRM_DP_HELPER_H_ */ diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index 7d6c9a2dfcb..d33c3e03860 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -106,6 +106,10 @@ struct detailed_data_color_point { u8 wpindex2[3]; } __attribute__((packed)); +struct cvt_timing { + u8 code[3]; +} __attribute__((packed)); + struct detailed_non_pixel { u8 pad1; u8 type; /* ff=serial, fe=string, fd=monitor range, fc=monitor name @@ -117,9 +121,13 @@ struct detailed_non_pixel { struct detailed_data_monitor_range range; struct detailed_data_wpindex color; struct std_timing timings[5]; + struct cvt_timing cvt[4]; } data; } __attribute__((packed)); +#define EDID_DETAIL_EST_TIMINGS 0xf7 +#define EDID_DETAIL_CVT_3BYTE 0xf8 +#define EDID_DETAIL_COLOR_MGMT_DATA 0xf9 #define EDID_DETAIL_STD_MODES 0xfa #define EDID_DETAIL_MONITOR_CPDATA 0xfb #define EDID_DETAIL_MONITOR_NAME 0xfc diff --git a/include/drm/drm_mode.h b/include/drm/drm_mode.h index 1f908416aed..43009bc2e75 100644 --- a/include/drm/drm_mode.h +++ b/include/drm/drm_mode.h @@ -27,9 +27,6 @@ #ifndef _DRM_MODE_H #define _DRM_MODE_H -#include <linux/kernel.h> -#include <linux/types.h> - #define DRM_DISPLAY_INFO_LEN 32 #define DRM_CONNECTOR_NAME_LEN 32 #define DRM_DISPLAY_MODE_LEN 32 @@ -78,6 +75,11 @@ #define DRM_MODE_DITHERING_OFF 0 #define DRM_MODE_DITHERING_ON 1 +/* Dirty info options */ +#define DRM_MODE_DIRTY_OFF 0 +#define DRM_MODE_DIRTY_ON 1 +#define DRM_MODE_DIRTY_ANNOTATE 2 + struct drm_mode_modeinfo { __u32 clock; __u16 hdisplay, hsync_start, hsync_end, htotal, hskew; @@ -225,6 +227,45 @@ struct drm_mode_fb_cmd { __u32 handle; }; +#define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01 +#define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02 +#define DRM_MODE_FB_DIRTY_FLAGS 0x03 + +/* + * Mark a region of a framebuffer as dirty. + * + * Some hardware does not automatically update display contents + * as a hardware or software draw to a framebuffer. This ioctl + * allows userspace to tell the kernel and the hardware what + * regions of the framebuffer have changed. + * + * The kernel or hardware is free to update more then just the + * region specified by the clip rects. The kernel or hardware + * may also delay and/or coalesce several calls to dirty into a + * single update. + * + * Userspace may annotate the updates, the annotates are a + * promise made by the caller that the change is either a copy + * of pixels or a fill of a single color in the region specified. + * + * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then + * the number of updated regions are half of num_clips given, + * where the clip rects are paired in src and dst. The width and + * height of each one of the pairs must match. + * + * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller + * promises that the region specified of the clip rects is filled + * completely with a single color as given in the color argument. + */ + +struct drm_mode_fb_dirty_cmd { + __u32 fb_id; + __u32 flags; + __u32 color; + __u32 num_clips; + __u64 clips_ptr; +}; + struct drm_mode_mode_cmd { __u32 connector_id; struct drm_mode_modeinfo mode; @@ -268,4 +309,37 @@ struct drm_mode_crtc_lut { __u64 blue; }; +#define DRM_MODE_PAGE_FLIP_EVENT 0x01 +#define DRM_MODE_PAGE_FLIP_FLAGS DRM_MODE_PAGE_FLIP_EVENT + +/* + * Request a page flip on the specified crtc. + * + * This ioctl will ask KMS to schedule a page flip for the specified + * crtc. Once any pending rendering targeting the specified fb (as of + * ioctl time) has completed, the crtc will be reprogrammed to display + * that fb after the next vertical refresh. The ioctl returns + * immediately, but subsequent rendering to the current fb will block + * in the execbuffer ioctl until the page flip happens. If a page + * flip is already pending as the ioctl is called, EBUSY will be + * returned. + * + * The ioctl supports one flag, DRM_MODE_PAGE_FLIP_EVENT, which will + * request that drm sends back a vblank event (see drm.h: struct + * drm_event_vblank) when the page flip is done. The user_data field + * passed in with this ioctl will be returned as the user_data field + * in the vblank event struct. + * + * The reserved field must be zero until we figure out something + * clever to use it for. + */ + +struct drm_mode_crtc_page_flip { + __u32 crtc_id; + __u32 fb_id; + __u32 flags; + __u32 reserved; + __u64 user_data; +}; + #endif diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h index 7e0cb1da92e..a04c3ab1d72 100644 --- a/include/drm/i915_drm.h +++ b/include/drm/i915_drm.h @@ -27,11 +27,11 @@ #ifndef _I915_DRM_H_ #define _I915_DRM_H_ +#include "drm.h" + /* Please note that modifications to all structs defined here are * subject to backwards-compatibility constraints. */ -#include <linux/types.h> -#include "drm.h" /* Each region is a minimum of 16k, and there are at most 255 of them. */ diff --git a/include/drm/mga_drm.h b/include/drm/mga_drm.h index 325fd6fb4a4..3ffbc4798af 100644 --- a/include/drm/mga_drm.h +++ b/include/drm/mga_drm.h @@ -35,7 +35,7 @@ #ifndef __MGA_DRM_H__ #define __MGA_DRM_H__ -#include <linux/types.h> +#include "drm.h" /* WARNING: If you change any of these defines, make sure to change the * defines in the Xserver file (mga_sarea.h) diff --git a/include/drm/radeon_drm.h b/include/drm/radeon_drm.h index 3b9932ab175..39537f3cf98 100644 --- a/include/drm/radeon_drm.h +++ b/include/drm/radeon_drm.h @@ -33,7 +33,7 @@ #ifndef __RADEON_DRM_H__ #define __RADEON_DRM_H__ -#include <linux/types.h> +#include "drm.h" /* WARNING: If you change any of these defines, make sure to change the * defines in the X server file (radeon_sarea.h) diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index e8cd6d20aed..7a39ab9aa1d 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -545,6 +545,15 @@ extern int ttm_tt_set_user(struct ttm_tt *ttm, extern int ttm_tt_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem); /** + * ttm_tt_populate: + * + * @ttm: The struct ttm_tt to contain the backing pages. + * + * Add backing pages to all of @ttm + */ +extern int ttm_tt_populate(struct ttm_tt *ttm); + +/** * ttm_ttm_destroy: * * @ttm: The struct ttm_tt. diff --git a/include/drm/ttm/ttm_execbuf_util.h b/include/drm/ttm/ttm_execbuf_util.h new file mode 100644 index 00000000000..cd2c475da9e --- /dev/null +++ b/include/drm/ttm/ttm_execbuf_util.h @@ -0,0 +1,107 @@ +/************************************************************************** + * + * 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. + * @new_sync_obj_arg: New sync_obj_arg for @bo, to be used once + * adding a new sync object. + * @reservied: Indicates whether @bo has been reserved for validation. + */ + +struct ttm_validate_buffer { + struct list_head head; + struct ttm_buffer_object *bo; + void *new_sync_obj_arg; + bool reserved; +}; + +/** + * 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. + * @val_seq: A unique sequence number. + * + * 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, uint32_t val_seq); + +/** + * 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 diff --git a/include/drm/ttm/ttm_lock.h b/include/drm/ttm/ttm_lock.h new file mode 100644 index 00000000000..81ba0b0b891 --- /dev/null +++ b/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 <asm/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 diff --git a/include/drm/ttm/ttm_memory.h b/include/drm/ttm/ttm_memory.h index 6983a7cf4da..b199170b3c2 100644 --- a/include/drm/ttm/ttm_memory.h +++ b/include/drm/ttm/ttm_memory.h @@ -33,6 +33,7 @@ #include <linux/wait.h> #include <linux/errno.h> #include <linux/kobject.h> +#include <linux/mm.h> /** * struct ttm_mem_shrink - callback to shrink TTM memory usage. diff --git a/include/drm/ttm/ttm_object.h b/include/drm/ttm/ttm_object.h new file mode 100644 index 00000000000..703ca4db0a2 --- /dev/null +++ b/include/drm/ttm/ttm_object.h @@ -0,0 +1,267 @@ +/************************************************************************** + * + * 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_hashtab.h" +#include <linux/kref.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 +}; + +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 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 referncing 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); + +#endif diff --git a/include/drm/via_drm.h b/include/drm/via_drm.h index 170786e5c2f..fd11a5bd892 100644 --- a/include/drm/via_drm.h +++ b/include/drm/via_drm.h @@ -24,7 +24,7 @@ #ifndef _VIA_DRM_H_ #define _VIA_DRM_H_ -#include <linux/types.h> +#include "drm.h" /* WARNING: These defines must be the same as what the Xserver uses. * if you change them, you must change the defines in the Xserver. |