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  1. /**************************************************************************
  2.  *
  3.  * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
  4.  * All Rights Reserved.
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the
  8.  * "Software"), to deal in the Software without restriction, including
  9.  * without limitation the rights to use, copy, modify, merge, publish,
  10.  * distribute, sub license, and/or sell copies of the Software, and to
  11.  * permit persons to whom the Software is furnished to do so, subject to
  12.  * the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice (including the
  15.  * next paragraph) shall be included in all copies or substantial portions
  16.  * of the Software.
  17.  *
  18.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20.  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  21.  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  22.  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  23.  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  24.  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  25.  *
  26.  **************************************************************************/
  27.  
  28. #ifndef _VMWGFX_DRV_H_
  29. #define _VMWGFX_DRV_H_
  30.  
  31. #include "vmwgfx_reg.h"
  32. #include <drm/drmP.h>
  33. #include <drm/vmwgfx_drm.h>
  34. #include <drm/drm_hashtab.h>
  35. //#include <linux/suspend.h>
  36. #include <drm/ttm/ttm_bo_driver.h>
  37. #include <drm/ttm/ttm_object.h>
  38. //#include <drm/ttm/ttm_lock.h>
  39. #include <drm/ttm/ttm_execbuf_util.h>
  40. //#include <drm/ttm/ttm_module.h>
  41. #include "vmwgfx_fence.h"
  42.  
  43. #define VMWGFX_DRIVER_DATE "20120209"
  44. #define VMWGFX_DRIVER_MAJOR 2
  45. #define VMWGFX_DRIVER_MINOR 4
  46. #define VMWGFX_DRIVER_PATCHLEVEL 0
  47. #define VMWGFX_FILE_PAGE_OFFSET 0x00100000
  48. #define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
  49. #define VMWGFX_MAX_RELOCATIONS 2048
  50. #define VMWGFX_MAX_VALIDATIONS 2048
  51. #define VMWGFX_MAX_DISPLAYS 16
  52. #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768
  53.  
  54. #define VMW_PL_GMR TTM_PL_PRIV0
  55. #define VMW_PL_FLAG_GMR TTM_PL_FLAG_PRIV0
  56.  
  57. #define VMW_RES_CONTEXT ttm_driver_type0
  58. #define VMW_RES_SURFACE ttm_driver_type1
  59. #define VMW_RES_STREAM ttm_driver_type2
  60. #define VMW_RES_FENCE ttm_driver_type3
  61.  
  62. #define ioread32(addr)          readl(addr)
  63.  
  64. static inline void outl(u32 v, u16 port)
  65. {
  66.     asm volatile("outl %0,%1" : : "a" (v), "dN" (port));
  67. }
  68. static inline u32 inl(u16 port)
  69. {
  70.     u32 v;
  71.     asm volatile("inl %1,%0" : "=a" (v) : "dN" (port));
  72.     return v;
  73. }
  74.  
  75. struct ttm_lock{};
  76. struct ww_acquire_ctx{};
  77.  
  78. struct vmw_fpriv {
  79. //   struct drm_master *locked_master;
  80.    struct ttm_object_file *tfile;
  81.    struct list_head fence_events;
  82. };
  83.  
  84. struct vmw_dma_buffer {
  85.    struct ttm_buffer_object base;
  86.    struct list_head res_list;
  87. };
  88.  
  89. /**
  90.  * struct vmw_validate_buffer - Carries validation info about buffers.
  91.  *
  92.  * @base: Validation info for TTM.
  93.  * @hash: Hash entry for quick lookup of the TTM buffer object.
  94.  *
  95.  * This structure contains also driver private validation info
  96.  * on top of the info needed by TTM.
  97.  */
  98. struct vmw_validate_buffer {
  99.    struct ttm_validate_buffer base;
  100.    struct drm_hash_item hash;
  101. };
  102.  
  103. struct vmw_res_func;
  104. struct vmw_resource {
  105.         struct kref kref;
  106.         struct vmw_private *dev_priv;
  107.         int id;
  108.         bool avail;
  109.         unsigned long backup_size;
  110.         bool res_dirty; /* Protected by backup buffer reserved */
  111.         bool backup_dirty; /* Protected by backup buffer reserved */
  112.     struct vmw_dma_buffer *backup;
  113.         unsigned long backup_offset;
  114.         const struct vmw_res_func *func;
  115.         struct list_head lru_head; /* Protected by the resource lock */
  116.         struct list_head mob_head; /* Protected by @backup reserved */
  117.         void (*res_free) (struct vmw_resource *res);
  118.         void (*hw_destroy) (struct vmw_resource *res);
  119. };
  120.  
  121. enum vmw_res_type {
  122.         vmw_res_context,
  123.         vmw_res_surface,
  124.         vmw_res_stream,
  125.         vmw_res_max
  126. };
  127.  
  128. struct vmw_cursor_snooper {
  129.         struct drm_crtc *crtc;
  130.         size_t age;
  131.         uint32_t *image;
  132. };
  133.  
  134. struct vmw_framebuffer;
  135. struct vmw_surface_offset;
  136.  
  137. struct vmw_surface {
  138.     struct vmw_resource res;
  139.         uint32_t flags;
  140.         uint32_t format;
  141.         uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
  142.         struct drm_vmw_size base_size;
  143.         struct drm_vmw_size *sizes;
  144.         uint32_t num_sizes;
  145.         bool scanout;
  146.         /* TODO so far just a extra pointer */
  147.         struct vmw_cursor_snooper snooper;
  148.         struct vmw_surface_offset *offsets;
  149.         SVGA3dTextureFilter autogen_filter;
  150.         uint32_t multisample_count;
  151. };
  152.  
  153. struct vmw_marker_queue {
  154.         struct list_head head;
  155.         struct timespec lag;
  156.         struct timespec lag_time;
  157.         spinlock_t lock;
  158. };
  159.  
  160. struct vmw_fifo_state {
  161.         unsigned long reserved_size;
  162.         __le32 *dynamic_buffer;
  163.         __le32 *static_buffer;
  164.         unsigned long static_buffer_size;
  165.         bool using_bounce_buffer;
  166.         uint32_t capabilities;
  167.         struct mutex fifo_mutex;
  168.         struct rw_semaphore rwsem;
  169.         struct vmw_marker_queue marker_queue;
  170. };
  171.  
  172. struct vmw_relocation {
  173.         SVGAGuestPtr *location;
  174.         uint32_t index;
  175. };
  176.  
  177. /**
  178.  * struct vmw_res_cache_entry - resource information cache entry
  179.  *
  180.  * @valid: Whether the entry is valid, which also implies that the execbuf
  181.  * code holds a reference to the resource, and it's placed on the
  182.  * validation list.
  183.  * @handle: User-space handle of a resource.
  184.  * @res: Non-ref-counted pointer to the resource.
  185.  *
  186.  * Used to avoid frequent repeated user-space handle lookups of the
  187.  * same resource.
  188.  */
  189. struct vmw_res_cache_entry {
  190.         bool valid;
  191.         uint32_t handle;
  192.         struct vmw_resource *res;
  193.         struct vmw_resource_val_node *node;
  194. };
  195.  
  196. struct vmw_sw_context{
  197.         struct drm_open_hash res_ht;
  198.         bool res_ht_initialized;
  199.         bool kernel; /**< is the called made from the kernel */
  200.         struct ttm_object_file *tfile;
  201.         struct list_head validate_nodes;
  202.         struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
  203.         uint32_t cur_reloc;
  204.     struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS];
  205.         uint32_t cur_val_buf;
  206.         uint32_t *cmd_bounce;
  207.         uint32_t cmd_bounce_size;
  208.         struct list_head resource_list;
  209.         uint32_t fence_flags;
  210.         struct ttm_buffer_object *cur_query_bo;
  211.         struct list_head res_relocations;
  212.         uint32_t *buf_start;
  213.         struct vmw_res_cache_entry res_cache[vmw_res_max];
  214.         struct vmw_resource *last_query_ctx;
  215.         bool needs_post_query_barrier;
  216.         struct vmw_resource *error_resource;
  217. };
  218.  
  219. struct vmw_legacy_display;
  220. struct vmw_overlay;
  221.  
  222. struct vmw_master {
  223.     struct ttm_lock lock;
  224.         struct mutex fb_surf_mutex;
  225.         struct list_head fb_surf;
  226. };
  227.  
  228. struct vmw_vga_topology_state {
  229.         uint32_t width;
  230.         uint32_t height;
  231.         uint32_t primary;
  232.         uint32_t pos_x;
  233.         uint32_t pos_y;
  234. };
  235.  
  236. struct vmw_private {
  237.     struct ttm_bo_device bdev;
  238.     struct ttm_bo_global_ref bo_global_ref;
  239.     struct drm_global_reference mem_global_ref;
  240.  
  241.         struct vmw_fifo_state fifo;
  242.  
  243.         struct drm_device *dev;
  244.         unsigned long vmw_chipset;
  245.         unsigned int io_start;
  246.         uint32_t vram_start;
  247.         uint32_t vram_size;
  248.         uint32_t mmio_start;
  249.         uint32_t mmio_size;
  250.         uint32_t fb_max_width;
  251.         uint32_t fb_max_height;
  252.         uint32_t initial_width;
  253.         uint32_t initial_height;
  254.         __le32 __iomem *mmio_virt;
  255.         int mmio_mtrr;
  256.         uint32_t capabilities;
  257.         uint32_t max_gmr_descriptors;
  258.         uint32_t max_gmr_ids;
  259.         uint32_t max_gmr_pages;
  260.         uint32_t memory_size;
  261.         bool has_gmr;
  262.         struct mutex hw_mutex;
  263.  
  264.         /*
  265.          * VGA registers.
  266.          */
  267.  
  268.         struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS];
  269.         uint32_t vga_width;
  270.         uint32_t vga_height;
  271.         uint32_t vga_bpp;
  272.         uint32_t vga_bpl;
  273.         uint32_t vga_pitchlock;
  274.  
  275.         uint32_t num_displays;
  276.  
  277.         /*
  278.          * Framebuffer info.
  279.          */
  280.  
  281.         void *fb_info;
  282.         struct vmw_legacy_display *ldu_priv;
  283.         struct vmw_screen_object_display *sou_priv;
  284.         struct vmw_overlay *overlay_priv;
  285.  
  286.         /*
  287.          * Context and surface management.
  288.          */
  289.  
  290.         rwlock_t resource_lock;
  291.         struct idr res_idr[vmw_res_max];
  292.         /*
  293.          * Block lastclose from racing with firstopen.
  294.          */
  295.  
  296.         struct mutex init_mutex;
  297.  
  298.         /*
  299.          * A resource manager for kernel-only surfaces and
  300.          * contexts.
  301.          */
  302.  
  303.         struct ttm_object_device *tdev;
  304.  
  305.         /*
  306.          * Fencing and IRQs.
  307.          */
  308.  
  309.         atomic_t marker_seq;
  310.         wait_queue_head_t fence_queue;
  311.         wait_queue_head_t fifo_queue;
  312.         int fence_queue_waiters; /* Protected by hw_mutex */
  313.         int goal_queue_waiters; /* Protected by hw_mutex */
  314.         atomic_t fifo_queue_waiters;
  315.         uint32_t last_read_seqno;
  316.         spinlock_t irq_lock;
  317.         struct vmw_fence_manager *fman;
  318.         uint32_t irq_mask;
  319.  
  320.         /*
  321.          * Device state
  322.          */
  323.  
  324.         uint32_t traces_state;
  325.         uint32_t enable_state;
  326.         uint32_t config_done_state;
  327.  
  328.         /**
  329.          * Execbuf
  330.          */
  331.         /**
  332.          * Protected by the cmdbuf mutex.
  333.          */
  334.  
  335.         struct vmw_sw_context ctx;
  336.         struct mutex cmdbuf_mutex;
  337.  
  338.         /**
  339.          * Operating mode.
  340.          */
  341.  
  342.         bool stealth;
  343.         bool enable_fb;
  344.  
  345.         /**
  346.          * Master management.
  347.          */
  348.  
  349. //   struct vmw_master *active_master;
  350. //   struct vmw_master fbdev_master;
  351. //   struct notifier_block pm_nb;
  352.         bool suspended;
  353.  
  354.         struct mutex release_mutex;
  355.         uint32_t num_3d_resources;
  356.  
  357.         /*
  358.          * Query processing. These members
  359.          * are protected by the cmdbuf mutex.
  360.          */
  361.  
  362.     struct ttm_buffer_object *dummy_query_bo;
  363.     struct ttm_buffer_object *pinned_bo;
  364.         uint32_t query_cid;
  365.         uint32_t query_cid_valid;
  366.         bool dummy_query_bo_pinned;
  367.  
  368.         /*
  369.          * Surface swapping. The "surface_lru" list is protected by the
  370.          * resource lock in order to be able to destroy a surface and take
  371.          * it off the lru atomically. "used_memory_size" is currently
  372.          * protected by the cmdbuf mutex for simplicity.
  373.          */
  374.  
  375.         struct list_head res_lru[vmw_res_max];
  376.         uint32_t used_memory_size;
  377. };
  378.  
  379. static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
  380. {
  381.         return container_of(res, struct vmw_surface, res);
  382. }
  383.  
  384. static inline struct vmw_private *vmw_priv(struct drm_device *dev)
  385. {
  386.         return (struct vmw_private *)dev->dev_private;
  387. }
  388.  
  389. static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
  390. {
  391.         return (struct vmw_fpriv *)file_priv->driver_priv;
  392. }
  393.  
  394. static inline struct vmw_master *vmw_master(struct drm_master *master)
  395. {
  396.         return (struct vmw_master *) master->driver_priv;
  397. }
  398.  
  399. static inline void vmw_write(struct vmw_private *dev_priv,
  400.                              unsigned int offset, uint32_t value)
  401. {
  402.         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
  403.         outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
  404. }
  405.  
  406. static inline uint32_t vmw_read(struct vmw_private *dev_priv,
  407.                                 unsigned int offset)
  408. {
  409.         uint32_t val;
  410.  
  411.         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
  412.         val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
  413.         return val;
  414. }
  415.  
  416. int vmw_3d_resource_inc(struct vmw_private *dev_priv, bool unhide_svga);
  417. void vmw_3d_resource_dec(struct vmw_private *dev_priv, bool hide_svga);
  418.  
  419. /**
  420.  * GMR utilities - vmwgfx_gmr.c
  421.  */
  422.  
  423. extern int vmw_gmr_bind(struct vmw_private *dev_priv,
  424.                         struct page *pages[],
  425.                         unsigned long num_pages,
  426.                         int gmr_id);
  427. extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
  428.  
  429. /**
  430.  * Resource utilities - vmwgfx_resource.c
  431.  */
  432. struct vmw_user_resource_conv;
  433. extern const struct vmw_user_resource_conv *user_surface_converter;
  434. extern const struct vmw_user_resource_conv *user_context_converter;
  435.  
  436. extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
  437. extern void vmw_resource_unreference(struct vmw_resource **p_res);
  438. extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
  439. extern int vmw_resource_validate(struct vmw_resource *res);
  440. extern int vmw_resource_reserve(struct vmw_resource *res, bool no_backup);
  441. extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
  442. extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
  443.                                      struct drm_file *file_priv);
  444. extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
  445.                                     struct drm_file *file_priv);
  446. extern int vmw_context_check(struct vmw_private *dev_priv,
  447.                              struct ttm_object_file *tfile,
  448.                              int id,
  449.                              struct vmw_resource **p_res);
  450. extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
  451.                                   struct ttm_object_file *tfile,
  452.                                   uint32_t handle,
  453.                                   struct vmw_surface **out_surf,
  454.                                   struct vmw_dma_buffer **out_buf);
  455. extern int vmw_user_resource_lookup_handle(
  456.         struct vmw_private *dev_priv,
  457.         struct ttm_object_file *tfile,
  458.         uint32_t handle,
  459.         const struct vmw_user_resource_conv *converter,
  460.         struct vmw_resource **p_res);
  461. extern void vmw_surface_res_free(struct vmw_resource *res);
  462. extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
  463.                                      struct drm_file *file_priv);
  464. extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
  465.                                     struct drm_file *file_priv);
  466. extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
  467.                                        struct drm_file *file_priv);
  468. extern int vmw_surface_check(struct vmw_private *dev_priv,
  469.                              struct ttm_object_file *tfile,
  470.                              uint32_t handle, int *id);
  471. extern int vmw_surface_validate(struct vmw_private *dev_priv,
  472.                                 struct vmw_surface *srf);
  473. extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
  474. extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
  475.                            struct vmw_dma_buffer *vmw_bo,
  476.                            size_t size, struct ttm_placement *placement,
  477.                            bool interuptable,
  478.                            void (*bo_free) (struct ttm_buffer_object *bo));
  479. extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo,
  480.                                   struct ttm_object_file *tfile);
  481. extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
  482.                                   struct drm_file *file_priv);
  483. extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
  484.                                   struct drm_file *file_priv);
  485. extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
  486.                                          uint32_t cur_validate_node);
  487. extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
  488. extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
  489.                                   uint32_t id, struct vmw_dma_buffer **out);
  490. extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
  491.                                   struct drm_file *file_priv);
  492. extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
  493.                                   struct drm_file *file_priv);
  494. extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
  495.                                   struct ttm_object_file *tfile,
  496.                                   uint32_t *inout_id,
  497.                                   struct vmw_resource **out);
  498. extern void vmw_resource_unreserve(struct vmw_resource *res,
  499.                                    struct vmw_dma_buffer *new_backup,
  500.                                    unsigned long new_backup_offset);
  501. extern void vmw_resource_move_notify(struct ttm_buffer_object *bo,
  502.                                      struct ttm_mem_reg *mem);
  503. extern void vmw_fence_single_bo(struct ttm_buffer_object *bo,
  504.                                 struct vmw_fence_obj *fence);
  505. extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
  506.  
  507. /**
  508.  * DMA buffer helper routines - vmwgfx_dmabuf.c
  509.  */
  510. extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv,
  511.                                    struct vmw_dma_buffer *bo,
  512.                                    struct ttm_placement *placement,
  513.                                    bool interruptible);
  514. extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv,
  515.                               struct vmw_dma_buffer *buf,
  516.                               bool pin, bool interruptible);
  517. extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv,
  518.                                      struct vmw_dma_buffer *buf,
  519.                                      bool pin, bool interruptible);
  520. extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
  521.                                        struct vmw_dma_buffer *bo,
  522.                                        bool pin, bool interruptible);
  523. extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
  524.                             struct vmw_dma_buffer *bo,
  525.                             bool interruptible);
  526. extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
  527.                                  SVGAGuestPtr *ptr);
  528. extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin);
  529.  
  530. /**
  531.  * Misc Ioctl functionality - vmwgfx_ioctl.c
  532.  */
  533.  
  534. extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
  535.                               struct drm_file *file_priv);
  536. extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
  537.                                 struct drm_file *file_priv);
  538. extern int vmw_present_ioctl(struct drm_device *dev, void *data,
  539.                              struct drm_file *file_priv);
  540. extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
  541.                                       struct drm_file *file_priv);
  542. //extern unsigned int vmw_fops_poll(struct file *filp,
  543. //                 struct poll_table_struct *wait);
  544. extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
  545.                              size_t count, loff_t *offset);
  546.  
  547. /**
  548.  * Fifo utilities - vmwgfx_fifo.c
  549.  */
  550.  
  551. extern int vmw_fifo_init(struct vmw_private *dev_priv,
  552.                          struct vmw_fifo_state *fifo);
  553. extern void vmw_fifo_release(struct vmw_private *dev_priv,
  554.                              struct vmw_fifo_state *fifo);
  555. extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
  556. extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
  557. extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
  558.                                uint32_t *seqno);
  559. extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
  560. extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
  561. extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
  562. extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
  563.                                      uint32_t cid);
  564.  
  565. /**
  566.  * TTM glue - vmwgfx_ttm_glue.c
  567.  */
  568.  
  569. extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
  570. extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
  571. extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
  572.  
  573. /**
  574.  * TTM buffer object driver - vmwgfx_buffer.c
  575.  */
  576.  
  577. extern struct ttm_placement vmw_vram_placement;
  578. extern struct ttm_placement vmw_vram_ne_placement;
  579. extern struct ttm_placement vmw_vram_sys_placement;
  580. extern struct ttm_placement vmw_vram_gmr_placement;
  581. extern struct ttm_placement vmw_vram_gmr_ne_placement;
  582. extern struct ttm_placement vmw_sys_placement;
  583. extern struct ttm_placement vmw_evictable_placement;
  584. extern struct ttm_placement vmw_srf_placement;
  585. extern struct ttm_bo_driver vmw_bo_driver;
  586. extern int vmw_dma_quiescent(struct drm_device *dev);
  587.  
  588. /**
  589.  * Command submission - vmwgfx_execbuf.c
  590.  */
  591.  
  592. extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
  593.                              struct drm_file *file_priv);
  594. extern int vmw_execbuf_process(struct drm_file *file_priv,
  595.                                struct vmw_private *dev_priv,
  596.                                void __user *user_commands,
  597.                                void *kernel_commands,
  598.                                uint32_t command_size,
  599.                                uint64_t throttle_us,
  600.                                struct drm_vmw_fence_rep __user
  601.                                *user_fence_rep,
  602.                                struct vmw_fence_obj **out_fence);
  603. extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
  604.                                             struct vmw_fence_obj *fence);
  605. extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
  606.  
  607. extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
  608.                                       struct vmw_private *dev_priv,
  609.                                       struct vmw_fence_obj **p_fence,
  610.                                       uint32_t *p_handle);
  611. extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
  612.                                         struct vmw_fpriv *vmw_fp,
  613.                                         int ret,
  614.                                         struct drm_vmw_fence_rep __user
  615.                                         *user_fence_rep,
  616.                                         struct vmw_fence_obj *fence,
  617.                                         uint32_t fence_handle);
  618.  
  619. /**
  620.  * IRQs and wating - vmwgfx_irq.c
  621.  */
  622.  
  623. extern irqreturn_t vmw_irq_handler(DRM_IRQ_ARGS);
  624. extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
  625.                              uint32_t seqno, bool interruptible,
  626.                              unsigned long timeout);
  627. extern void vmw_irq_preinstall(struct drm_device *dev);
  628. extern int vmw_irq_postinstall(struct drm_device *dev);
  629. extern void vmw_irq_uninstall(struct drm_device *dev);
  630. extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
  631.                                 uint32_t seqno);
  632. extern int vmw_fallback_wait(struct vmw_private *dev_priv,
  633.                              bool lazy,
  634.                              bool fifo_idle,
  635.                              uint32_t seqno,
  636.                              bool interruptible,
  637.                              unsigned long timeout);
  638. extern void vmw_update_seqno(struct vmw_private *dev_priv,
  639.                                 struct vmw_fifo_state *fifo_state);
  640. extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
  641. extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
  642. extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
  643. extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
  644.  
  645. /**
  646.  * Rudimentary fence-like objects currently used only for throttling -
  647.  * vmwgfx_marker.c
  648.  */
  649.  
  650. extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
  651. extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
  652. extern int vmw_marker_push(struct vmw_marker_queue *queue,
  653.                           uint32_t seqno);
  654. extern int vmw_marker_pull(struct vmw_marker_queue *queue,
  655.                           uint32_t signaled_seqno);
  656. extern int vmw_wait_lag(struct vmw_private *dev_priv,
  657.                         struct vmw_marker_queue *queue, uint32_t us);
  658.  
  659. /**
  660.  * Kernel framebuffer - vmwgfx_fb.c
  661.  */
  662.  
  663. int vmw_fb_init(struct vmw_private *vmw_priv);
  664. int vmw_fb_close(struct vmw_private *dev_priv);
  665. int vmw_fb_off(struct vmw_private *vmw_priv);
  666. int vmw_fb_on(struct vmw_private *vmw_priv);
  667.  
  668. /**
  669.  * Kernel modesetting - vmwgfx_kms.c
  670.  */
  671.  
  672. int vmw_kms_init(struct vmw_private *dev_priv);
  673. int vmw_kms_close(struct vmw_private *dev_priv);
  674. int vmw_kms_save_vga(struct vmw_private *vmw_priv);
  675. int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
  676. int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
  677.                                 struct drm_file *file_priv);
  678. void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
  679. void vmw_kms_cursor_snoop(struct vmw_surface *srf,
  680.                           struct ttm_object_file *tfile,
  681.                           struct ttm_buffer_object *bo,
  682.                           SVGA3dCmdHeader *header);
  683. int vmw_kms_write_svga(struct vmw_private *vmw_priv,
  684.                        unsigned width, unsigned height, unsigned pitch,
  685.                        unsigned bpp, unsigned depth);
  686. void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
  687. bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
  688.                                 uint32_t pitch,
  689.                                 uint32_t height);
  690. u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
  691. int vmw_enable_vblank(struct drm_device *dev, int crtc);
  692. void vmw_disable_vblank(struct drm_device *dev, int crtc);
  693. int vmw_kms_present(struct vmw_private *dev_priv,
  694.                     struct drm_file *file_priv,
  695.                     struct vmw_framebuffer *vfb,
  696.                     struct vmw_surface *surface,
  697.                     uint32_t sid, int32_t destX, int32_t destY,
  698.                     struct drm_vmw_rect *clips,
  699.                     uint32_t num_clips);
  700. int vmw_kms_readback(struct vmw_private *dev_priv,
  701.                      struct drm_file *file_priv,
  702.                      struct vmw_framebuffer *vfb,
  703.                      struct drm_vmw_fence_rep __user *user_fence_rep,
  704.                      struct drm_vmw_rect *clips,
  705.                      uint32_t num_clips);
  706. int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
  707.                                 struct drm_file *file_priv);
  708.  
  709. int vmw_dumb_create(struct drm_file *file_priv,
  710.                     struct drm_device *dev,
  711.                     struct drm_mode_create_dumb *args);
  712.  
  713. int vmw_dumb_map_offset(struct drm_file *file_priv,
  714.                         struct drm_device *dev, uint32_t handle,
  715.                         uint64_t *offset);
  716. int vmw_dumb_destroy(struct drm_file *file_priv,
  717.                      struct drm_device *dev,
  718.                      uint32_t handle);
  719. /**
  720.  * Overlay control - vmwgfx_overlay.c
  721.  */
  722.  
  723. int vmw_overlay_init(struct vmw_private *dev_priv);
  724. int vmw_overlay_close(struct vmw_private *dev_priv);
  725. int vmw_overlay_ioctl(struct drm_device *dev, void *data,
  726.                       struct drm_file *file_priv);
  727. int vmw_overlay_stop_all(struct vmw_private *dev_priv);
  728. int vmw_overlay_resume_all(struct vmw_private *dev_priv);
  729. int vmw_overlay_pause_all(struct vmw_private *dev_priv);
  730. int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
  731. int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
  732. int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
  733. int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
  734.  
  735. /**
  736.  * GMR Id manager
  737.  */
  738.  
  739. extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
  740.  
  741. /**
  742.  * Inline helper functions
  743.  */
  744.  
  745. static inline void vmw_surface_unreference(struct vmw_surface **srf)
  746. {
  747.         struct vmw_surface *tmp_srf = *srf;
  748.         struct vmw_resource *res = &tmp_srf->res;
  749.         *srf = NULL;
  750.  
  751.         vmw_resource_unreference(&res);
  752. }
  753.  
  754. static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
  755. {
  756.         (void) vmw_resource_reference(&srf->res);
  757.         return srf;
  758. }
  759.  
  760. static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
  761. {
  762.         struct vmw_dma_buffer *tmp_buf = *buf;
  763.  
  764.         *buf = NULL;
  765.         if (tmp_buf != NULL) {
  766.                 struct ttm_buffer_object *bo = &tmp_buf->base;
  767.  
  768.                 ttm_bo_unref(&bo);
  769.         }
  770. }
  771.  
  772. static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
  773. {
  774.         if (ttm_bo_reference(&buf->base))
  775.                 return buf;
  776.         return NULL;
  777. }
  778.  
  779. static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
  780. {
  781.         return (struct ttm_mem_global *) dev_priv->mem_global_ref.object;
  782. }
  783.  
  784. extern struct drm_device *main_device;
  785. extern struct drm_file   *drm_file_handlers[256];
  786.  
  787. typedef struct
  788. {
  789.   int width;
  790.   int height;
  791.   int bpp;
  792.   int freq;
  793. }videomode_t;
  794.  
  795. #endif
  796.