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Rev 2340 Rev 2342
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#include "i915_drv.h"
 4 
#include "i915_drv.h"
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#include "intel_drv.h"
 5 
#include "intel_drv.h"
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#include "bitmap.h"
 6 
#include "bitmap.h"
7 
 
 7 
 
Line -... Line 8...
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 8 
void __attribute__((regparm(1))) destroy_bitmap(bitmap_t *bitmap)
- 
 
 9 
{
- 
 
 10 
/*
- 
 
 11 
 *
- 
 
 12 
 *
- 
 
 13 
 *
- 
 
 14 
*/
- 
 
 15 
    __DestroyObject(bitmap);
- 
 
 16 
};
- 
 
 17 
 
8 
extern struct drm_device *main_device;
 18 
extern struct drm_device *main_device;
Line 9... Line 19...
9 
 
 19 
 
Line 10... Line 20...
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struct hman bm_man;
 20 
struct hman bm_man;
Line 18... Line 28...
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    return ret;
 28 
    return ret;
19 
};
 29 
};
Line 20... Line 30...
20 
 
 30 
 
21 
 
 31 
 
22 
int create_bitmap(struct ubitmap *pbitmap, int width, int height)
 32 
int create_bitmap(struct ubitmap *pbitmap)
Line 23... Line 33...
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{
 33 
{
24 
    struct drm_i915_gem_object *obj;
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    struct drm_i915_gem_object *obj;
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 35 
 
- 
 
 36 
    bitmap_t   *bitmap;
25 
 
 37 
    u32         handle;
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    bitmap_t   *bitmap;
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    u32         width;
27 
    u32         handle;
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    u32         height;
Line 28... Line 40...
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    u32         size;
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    u32         size;
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    u32         pitch;
 41 
    u32         pitch;
30 
    void       *uaddr;
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    void       *uaddr;
Line -... Line 43...
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 43 
 
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 44 
    int   ret;
- 
 
 45 
 
31 
 
 46 
    pbitmap->handle = 0;
32 
    int   ret;
 47 
    pbitmap->data   = NULL;
Line 33... Line 48...
33 
 
 48 
 
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 49 
    width = pbitmap->width;
Line 34... Line 50...
34 
    pbitmap->handle = 0;
 50 
    height = pbitmap->height;
35 
    pbitmap->data   = NULL;
 51 
 
Line 36... Line 52...
36 
 
 52 
    if((width==0)||(height==0)||(width>4096)||(height>4096))
- 
 
 53 
        goto err1;
- 
 
 54 
 
- 
 
 55 
    handle = alloc_handle(&bm_man);
- 
 
 56 
//    printf("%s %d\n",__FUNCTION__, handle);
- 
 
 57 
 
37 
    if((width==0)||(height==0)||(width>4096)||(height>4096))
 58 
    if(handle == 0)
38 
        goto err1;
 59 
        goto err1;
Line 39... Line 60...
39 
 
 60 
 
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40 
    handle = alloc_handle(&bm_man);
 61 
    bitmap = CreateObject(GetPid(), sizeof(*bitmap));
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41 
 
 62 
    bitmap->handle = handle;
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 63 
    bitmap->header.destroy = destroy_bitmap;
Line 42... Line 64...
42 
    if(handle == 0)
 64 
    bitmap->obj    = NULL;
43 
        goto err1;
 65 
 
44 
 
 66 
//    printf("bitmap %x\n", bitmap);
Line 86... Line 108...
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    bitmap->pitch  = pitch;
 108 
    bitmap->pitch  = pitch;
87 
    bitmap->gaddr  = obj->gtt_offset;
 109 
    bitmap->gaddr  = obj->gtt_offset;
88 
    bitmap->uaddr  = uaddr;
 110 
    bitmap->uaddr  = uaddr;
89 
    bitmap->obj    = obj;
 111 
    bitmap->obj    = obj;
90 
 
 112 
    bitmap->header.destroy = destroy_bitmap;
- 
 
 113 
 
Line -... Line 114...
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 114 
    pbitmap->pitch  = pitch;
91 
    pbitmap->handle = handle;
 115 
    pbitmap->handle = handle;
92 
    pbitmap->data   = uaddr;
 116 
    pbitmap->data   = uaddr;
93 
    return 0;
 - 
 
94 
 
 - 
 
95 
err4:
 - 
 
96 
//    drm_gem_object_unpin;
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97 
err3:
 - 
 
98 
//    drm_gem_object_unreference(&obj->base);
 - 
 
99 
err2:
 - 
 
100 
    free_handle(&bm_man, handle);
 - 
 
101 
    DestroyObject(bitmap);
 - 
 
102 
err1:
 - 
 
103 
    return -1;
 - 
 
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104 
 
 - 
 
105 
};
 - 
 
106 
 
 - 
 
107 
 
 - 
 
108 
int create_video(int width, int height, u32_t *outp)
 - 
 
109 
{
 - 
 
110 
    struct drm_i915_gem_object *obj;
 - 
 
111 
 
 - 
 
112 
    size_t      size;
 - 
 
113 
    size_t      pitch;
 - 
 
114 
    void       *uaddr;
 - 
 
115 
 
 - 
 
116 
    int   ret;
 - 
 
117 
 
 - 
 
118 
    if((width==0)||(height==0)||(width>4096)||(height>4096))
 - 
 
119 
        goto err1;
 - 
 
120 
 
 - 
 
121 
    pitch = ALIGN(width*4,64);
 - 
 
122 
 
 117 
 
123 
    size =  roundup(pitch*height, PAGE_SIZE);
 - 
 
124 
 
 - 
 
125 
    obj = i915_gem_alloc_object(main_device, size);
 - 
 
126 
    if (obj == NULL)
 - 
 
127 
        goto err2;
 - 
 
128 
 
 - 
 
129 
    ret = i915_gem_object_pin(obj, 4096, true);
 - 
 
130 
    if (ret)
 - 
 
131 
        goto err3;
 - 
 
132 
 
 - 
 
133 
    uaddr = UserAlloc(size);
 - 
 
134 
    if( uaddr == NULL)
 - 
 
135 
        goto err4;
 - 
 
136 
    else
 - 
 
137 
    {
 - 
 
138 
        u32_t *src, *dst;
 - 
 
139 
        int count;
 - 
 
140 
 
 - 
 
141 
#define page_tabs  0xFDC00000      /* really dirty hack */
 - 
 
142 
 
 - 
 
143 
        src =  (u32_t*)obj->pages;
 - 
 
144 
        dst =  &((u32_t*)page_tabs)[(u32_t)uaddr >> 12];
 - 
 
145 
        count = size/4096;
 - 
 
146 
 
 - 
 
147 
        while(count--)
 - 
 
148 
        {
 118 
//    printf("%s handle %d pitch %d gpu %x user %x\n",
149 
            *dst++ = (0xFFFFF000 & *src++) | 0x207 ; // map as shared page
 - 
 
150 
        };
 - 
 
151 
    }
 - 
 
152 
 
 - 
 
153 
    outp[0] = obj->gtt_offset;
 - 
 
154 
    outp[2] = (u32)uaddr;
 - 
 
Line 155... Line 119...
155 
    outp[3] = pitch;
 119 
//            __FUNCTION__, handle, pitch, obj->gtt_offset, uaddr);
Line 156... Line 120...
156 
 
 120 
 
157 
    return 0;
 121 
    return 0;
158 
 
 122 
 
159 
err4:
 123 
err4:
160 
//    drm_gem_object_unpin;
 124 
//    drm_gem_object_unpin;
- 
 
 125 
err3:
- 
 
 126 
//    drm_gem_object_unreference(&obj->base);
161 
err3:
 127 
err2:
162 
//    drm_gem_object_unreference(&obj->base);
 128 
    free_handle(&bm_man, handle);
- 
 
 129 
    __DestroyObject(bitmap);
163 
err2:
 130 
err1:
Line 164... Line 131...
164 
err1:
 131 
    return -1;
165 
    return -1;
 132