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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 is_opened;
  344.         bool enable_fb;
  345.  
  346.         /**
  347.          * Master management.
  348.          */
  349.  
  350. //   struct vmw_master *active_master;
  351. //   struct vmw_master fbdev_master;
  352. //   struct notifier_block pm_nb;
  353.         bool suspended;
  354.  
  355.         struct mutex release_mutex;
  356.         uint32_t num_3d_resources;
  357.  
  358.         /*
  359.          * Query processing. These members
  360.          * are protected by the cmdbuf mutex.
  361.          */
  362.  
  363.     struct ttm_buffer_object *dummy_query_bo;
  364.     struct ttm_buffer_object *pinned_bo;
  365.         uint32_t query_cid;
  366.         uint32_t query_cid_valid;
  367.         bool dummy_query_bo_pinned;
  368.  
  369.         /*
  370.          * Surface swapping. The "surface_lru" list is protected by the
  371.          * resource lock in order to be able to destroy a surface and take
  372.          * it off the lru atomically. "used_memory_size" is currently
  373.          * protected by the cmdbuf mutex for simplicity.
  374.          */
  375.  
  376.         struct list_head res_lru[vmw_res_max];
  377.         uint32_t used_memory_size;
  378. };
  379.  
  380. static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
  381. {
  382.         return container_of(res, struct vmw_surface, res);
  383. }
  384.  
  385. static inline struct vmw_private *vmw_priv(struct drm_device *dev)
  386. {
  387.         return (struct vmw_private *)dev->dev_private;
  388. }
  389.  
  390. static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
  391. {
  392.         return (struct vmw_fpriv *)file_priv->driver_priv;
  393. }
  394.  
  395. static inline struct vmw_master *vmw_master(struct drm_master *master)
  396. {
  397.         return (struct vmw_master *) master->driver_priv;
  398. }
  399.  
  400. static inline void vmw_write(struct vmw_private *dev_priv,
  401.                              unsigned int offset, uint32_t value)
  402. {
  403.         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
  404.         outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
  405. }
  406.  
  407. static inline uint32_t vmw_read(struct vmw_private *dev_priv,
  408.                                 unsigned int offset)
  409. {
  410.         uint32_t val;
  411.  
  412.         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
  413.         val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
  414.         return val;
  415. }
  416.  
  417. int vmw_3d_resource_inc(struct vmw_private *dev_priv, bool unhide_svga);
  418. void vmw_3d_resource_dec(struct vmw_private *dev_priv, bool hide_svga);
  419.  
  420. /**
  421.  * GMR utilities - vmwgfx_gmr.c
  422.  */
  423.  
  424. extern int vmw_gmr_bind(struct vmw_private *dev_priv,
  425.                         struct page *pages[],
  426.                         unsigned long num_pages,
  427.                         int gmr_id);
  428. extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
  429.  
  430. /**
  431.  * Resource utilities - vmwgfx_resource.c
  432.  */
  433. struct vmw_user_resource_conv;
  434. extern const struct vmw_user_resource_conv *user_surface_converter;
  435. extern const struct vmw_user_resource_conv *user_context_converter;
  436.  
  437. extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
  438. extern void vmw_resource_unreference(struct vmw_resource **p_res);
  439. extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
  440. extern int vmw_resource_validate(struct vmw_resource *res);
  441. extern int vmw_resource_reserve(struct vmw_resource *res, bool no_backup);
  442. extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
  443. extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
  444.                                      struct drm_file *file_priv);
  445. extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
  446.                                     struct drm_file *file_priv);
  447. extern int vmw_context_check(struct vmw_private *dev_priv,
  448.                              struct ttm_object_file *tfile,
  449.                              int id,
  450.                              struct vmw_resource **p_res);
  451. extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
  452.                                   struct ttm_object_file *tfile,
  453.                                   uint32_t handle,
  454.                                   struct vmw_surface **out_surf,
  455.                                   struct vmw_dma_buffer **out_buf);
  456. extern int vmw_user_resource_lookup_handle(
  457.         struct vmw_private *dev_priv,
  458.         struct ttm_object_file *tfile,
  459.         uint32_t handle,
  460.         const struct vmw_user_resource_conv *converter,
  461.         struct vmw_resource **p_res);
  462. extern void vmw_surface_res_free(struct vmw_resource *res);
  463. extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
  464.                                      struct drm_file *file_priv);
  465. extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
  466.                                     struct drm_file *file_priv);
  467. extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
  468.                                        struct drm_file *file_priv);
  469. extern int vmw_surface_check(struct vmw_private *dev_priv,
  470.                              struct ttm_object_file *tfile,
  471.                              uint32_t handle, int *id);
  472. extern int vmw_surface_validate(struct vmw_private *dev_priv,
  473.                                 struct vmw_surface *srf);
  474. extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
  475. extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
  476.                            struct vmw_dma_buffer *vmw_bo,
  477.                            size_t size, struct ttm_placement *placement,
  478.                            bool interuptable,
  479.                            void (*bo_free) (struct ttm_buffer_object *bo));
  480. extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo,
  481.                                   struct ttm_object_file *tfile);
  482. extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
  483.                                   struct drm_file *file_priv);
  484. extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
  485.                                   struct drm_file *file_priv);
  486. extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
  487.                                          uint32_t cur_validate_node);
  488. extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
  489. extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
  490.                                   uint32_t id, struct vmw_dma_buffer **out);
  491. extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
  492.                                   struct drm_file *file_priv);
  493. extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
  494.                                   struct drm_file *file_priv);
  495. extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
  496.                                   struct ttm_object_file *tfile,
  497.                                   uint32_t *inout_id,
  498.                                   struct vmw_resource **out);
  499. extern void vmw_resource_unreserve(struct vmw_resource *res,
  500.                                    struct vmw_dma_buffer *new_backup,
  501.                                    unsigned long new_backup_offset);
  502. extern void vmw_resource_move_notify(struct ttm_buffer_object *bo,
  503.                                      struct ttm_mem_reg *mem);
  504. extern void vmw_fence_single_bo(struct ttm_buffer_object *bo,
  505.                                 struct vmw_fence_obj *fence);
  506. extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
  507.  
  508. /**
  509.  * DMA buffer helper routines - vmwgfx_dmabuf.c
  510.  */
  511. extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv,
  512.                                    struct vmw_dma_buffer *bo,
  513.                                    struct ttm_placement *placement,
  514.                                    bool interruptible);
  515. extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv,
  516.                               struct vmw_dma_buffer *buf,
  517.                               bool pin, bool interruptible);
  518. extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv,
  519.                                      struct vmw_dma_buffer *buf,
  520.                                      bool pin, bool interruptible);
  521. extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
  522.                                        struct vmw_dma_buffer *bo,
  523.                                        bool pin, bool interruptible);
  524. extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
  525.                             struct vmw_dma_buffer *bo,
  526.                             bool interruptible);
  527. extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
  528.                                  SVGAGuestPtr *ptr);
  529. extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin);
  530.  
  531. /**
  532.  * Misc Ioctl functionality - vmwgfx_ioctl.c
  533.  */
  534.  
  535. extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
  536.                               struct drm_file *file_priv);
  537. extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
  538.                                 struct drm_file *file_priv);
  539. extern int vmw_present_ioctl(struct drm_device *dev, void *data,
  540.                              struct drm_file *file_priv);
  541. extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
  542.                                       struct drm_file *file_priv);
  543. //extern unsigned int vmw_fops_poll(struct file *filp,
  544. //                 struct poll_table_struct *wait);
  545. extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
  546.                              size_t count, loff_t *offset);
  547.  
  548. /**
  549.  * Fifo utilities - vmwgfx_fifo.c
  550.  */
  551.  
  552. extern int vmw_fifo_init(struct vmw_private *dev_priv,
  553.                          struct vmw_fifo_state *fifo);
  554. extern void vmw_fifo_release(struct vmw_private *dev_priv,
  555.                              struct vmw_fifo_state *fifo);
  556. extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
  557. extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
  558. extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
  559.                                uint32_t *seqno);
  560. extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
  561. extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
  562. extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
  563. extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
  564.                                      uint32_t cid);
  565.  
  566. /**
  567.  * TTM glue - vmwgfx_ttm_glue.c
  568.  */
  569.  
  570. extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
  571. extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
  572. extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
  573.  
  574. /**
  575.  * TTM buffer object driver - vmwgfx_buffer.c
  576.  */
  577.  
  578. extern struct ttm_placement vmw_vram_placement;
  579. extern struct ttm_placement vmw_vram_ne_placement;
  580. extern struct ttm_placement vmw_vram_sys_placement;
  581. extern struct ttm_placement vmw_vram_gmr_placement;
  582. extern struct ttm_placement vmw_vram_gmr_ne_placement;
  583. extern struct ttm_placement vmw_sys_placement;
  584. extern struct ttm_placement vmw_evictable_placement;
  585. extern struct ttm_placement vmw_srf_placement;
  586. extern struct ttm_bo_driver vmw_bo_driver;
  587. extern int vmw_dma_quiescent(struct drm_device *dev);
  588.  
  589. /**
  590.  * Command submission - vmwgfx_execbuf.c
  591.  */
  592.  
  593. extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
  594.                              struct drm_file *file_priv);
  595. extern int vmw_execbuf_process(struct drm_file *file_priv,
  596.                                struct vmw_private *dev_priv,
  597.                                void __user *user_commands,
  598.                                void *kernel_commands,
  599.                                uint32_t command_size,
  600.                                uint64_t throttle_us,
  601.                                struct drm_vmw_fence_rep __user
  602.                                *user_fence_rep,
  603.                                struct vmw_fence_obj **out_fence);
  604. extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
  605.                                             struct vmw_fence_obj *fence);
  606. extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
  607.  
  608. extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
  609.                                       struct vmw_private *dev_priv,
  610.                                       struct vmw_fence_obj **p_fence,
  611.                                       uint32_t *p_handle);
  612. extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
  613.                                         struct vmw_fpriv *vmw_fp,
  614.                                         int ret,
  615.                                         struct drm_vmw_fence_rep __user
  616.                                         *user_fence_rep,
  617.                                         struct vmw_fence_obj *fence,
  618.                                         uint32_t fence_handle);
  619.  
  620. /**
  621.  * IRQs and wating - vmwgfx_irq.c
  622.  */
  623.  
  624. extern irqreturn_t vmw_irq_handler(DRM_IRQ_ARGS);
  625. extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
  626.                              uint32_t seqno, bool interruptible,
  627.                              unsigned long timeout);
  628. extern void vmw_irq_preinstall(struct drm_device *dev);
  629. extern int vmw_irq_postinstall(struct drm_device *dev);
  630. extern void vmw_irq_uninstall(struct drm_device *dev);
  631. extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
  632.                                 uint32_t seqno);
  633. extern int vmw_fallback_wait(struct vmw_private *dev_priv,
  634.                              bool lazy,
  635.                              bool fifo_idle,
  636.                              uint32_t seqno,
  637.                              bool interruptible,
  638.                              unsigned long timeout);
  639. extern void vmw_update_seqno(struct vmw_private *dev_priv,
  640.                                 struct vmw_fifo_state *fifo_state);
  641. extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
  642. extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
  643. extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
  644. extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
  645.  
  646. /**
  647.  * Rudimentary fence-like objects currently used only for throttling -
  648.  * vmwgfx_marker.c
  649.  */
  650.  
  651. extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
  652. extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
  653. extern int vmw_marker_push(struct vmw_marker_queue *queue,
  654.                           uint32_t seqno);
  655. extern int vmw_marker_pull(struct vmw_marker_queue *queue,
  656.                           uint32_t signaled_seqno);
  657. extern int vmw_wait_lag(struct vmw_private *dev_priv,
  658.                         struct vmw_marker_queue *queue, uint32_t us);
  659.  
  660. /**
  661.  * Kernel framebuffer - vmwgfx_fb.c
  662.  */
  663.  
  664. int vmw_fb_init(struct vmw_private *vmw_priv);
  665. int vmw_fb_close(struct vmw_private *dev_priv);
  666. int vmw_fb_off(struct vmw_private *vmw_priv);
  667. int vmw_fb_on(struct vmw_private *vmw_priv);
  668.  
  669. /**
  670.  * Kernel modesetting - vmwgfx_kms.c
  671.  */
  672.  
  673. int vmw_kms_init(struct vmw_private *dev_priv);
  674. int vmw_kms_close(struct vmw_private *dev_priv);
  675. int vmw_kms_save_vga(struct vmw_private *vmw_priv);
  676. int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
  677. int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
  678.                                 struct drm_file *file_priv);
  679. void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
  680. void vmw_kms_cursor_snoop(struct vmw_surface *srf,
  681.                           struct ttm_object_file *tfile,
  682.                           struct ttm_buffer_object *bo,
  683.                           SVGA3dCmdHeader *header);
  684. int vmw_kms_write_svga(struct vmw_private *vmw_priv,
  685.                        unsigned width, unsigned height, unsigned pitch,
  686.                        unsigned bpp, unsigned depth);
  687. void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
  688. bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
  689.                                 uint32_t pitch,
  690.                                 uint32_t height);
  691. u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
  692. int vmw_enable_vblank(struct drm_device *dev, int crtc);
  693. void vmw_disable_vblank(struct drm_device *dev, int crtc);
  694. int vmw_kms_present(struct vmw_private *dev_priv,
  695.                     struct drm_file *file_priv,
  696.                     struct vmw_framebuffer *vfb,
  697.                     struct vmw_surface *surface,
  698.                     uint32_t sid, int32_t destX, int32_t destY,
  699.                     struct drm_vmw_rect *clips,
  700.                     uint32_t num_clips);
  701. int vmw_kms_readback(struct vmw_private *dev_priv,
  702.                      struct drm_file *file_priv,
  703.                      struct vmw_framebuffer *vfb,
  704.                      struct drm_vmw_fence_rep __user *user_fence_rep,
  705.                      struct drm_vmw_rect *clips,
  706.                      uint32_t num_clips);
  707. int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
  708.                                 struct drm_file *file_priv);
  709.  
  710. int vmw_dumb_create(struct drm_file *file_priv,
  711.                     struct drm_device *dev,
  712.                     struct drm_mode_create_dumb *args);
  713.  
  714. int vmw_dumb_map_offset(struct drm_file *file_priv,
  715.                         struct drm_device *dev, uint32_t handle,
  716.                         uint64_t *offset);
  717. int vmw_dumb_destroy(struct drm_file *file_priv,
  718.                      struct drm_device *dev,
  719.                      uint32_t handle);
  720. /**
  721.  * Overlay control - vmwgfx_overlay.c
  722.  */
  723.  
  724. int vmw_overlay_init(struct vmw_private *dev_priv);
  725. int vmw_overlay_close(struct vmw_private *dev_priv);
  726. int vmw_overlay_ioctl(struct drm_device *dev, void *data,
  727.                       struct drm_file *file_priv);
  728. int vmw_overlay_stop_all(struct vmw_private *dev_priv);
  729. int vmw_overlay_resume_all(struct vmw_private *dev_priv);
  730. int vmw_overlay_pause_all(struct vmw_private *dev_priv);
  731. int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
  732. int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
  733. int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
  734. int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
  735.  
  736. /**
  737.  * GMR Id manager
  738.  */
  739.  
  740. extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
  741.  
  742. /**
  743.  * Inline helper functions
  744.  */
  745.  
  746. static inline void vmw_surface_unreference(struct vmw_surface **srf)
  747. {
  748.         struct vmw_surface *tmp_srf = *srf;
  749.         struct vmw_resource *res = &tmp_srf->res;
  750.         *srf = NULL;
  751.  
  752.         vmw_resource_unreference(&res);
  753. }
  754.  
  755. static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
  756. {
  757.         (void) vmw_resource_reference(&srf->res);
  758.         return srf;
  759. }
  760.  
  761. static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
  762. {
  763.         struct vmw_dma_buffer *tmp_buf = *buf;
  764.  
  765.         *buf = NULL;
  766.         if (tmp_buf != NULL) {
  767.                 struct ttm_buffer_object *bo = &tmp_buf->base;
  768.  
  769.                 ttm_bo_unref(&bo);
  770.         }
  771. }
  772.  
  773. static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
  774. {
  775.         if (ttm_bo_reference(&buf->base))
  776.                 return buf;
  777.         return NULL;
  778. }
  779.  
  780. static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
  781. {
  782.         return (struct ttm_mem_global *) dev_priv->mem_global_ref.object;
  783. }
  784.  
  785. typedef struct
  786. {
  787.   int width;
  788.   int height;
  789.   int bpp;
  790.   int freq;
  791. }videomode_t;
  792.  
  793. #endif
  794.