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9#include <common.h>
10#include <dm.h>
11#include <efi_loader.h>
12#include <inttypes.h>
13#include <lcd.h>
14#include <malloc.h>
15#include <video.h>
16
17DECLARE_GLOBAL_DATA_PTR;
18
19static const efi_guid_t efi_gop_guid = EFI_GOP_GUID;
20
21struct efi_gop_obj {
22
23 struct efi_object parent;
24
25 struct efi_gop ops;
26
27 struct efi_gop_mode_info info;
28 struct efi_gop_mode mode;
29
30 u32 bpix;
31};
32
33static efi_status_t EFIAPI gop_query_mode(struct efi_gop *this, u32 mode_number,
34 unsigned long *size_of_info,
35 struct efi_gop_mode_info **info)
36{
37 struct efi_gop_obj *gopobj;
38
39 EFI_ENTRY("%p, %x, %p, %p", this, mode_number, size_of_info, info);
40
41 gopobj = container_of(this, struct efi_gop_obj, ops);
42 *size_of_info = sizeof(gopobj->info);
43 *info = &gopobj->info;
44
45 return EFI_EXIT(EFI_SUCCESS);
46}
47
48static efi_status_t EFIAPI gop_set_mode(struct efi_gop *this, u32 mode_number)
49{
50 EFI_ENTRY("%p, %x", this, mode_number);
51
52 if (mode_number != 0)
53 return EFI_EXIT(EFI_INVALID_PARAMETER);
54
55 return EFI_EXIT(EFI_SUCCESS);
56}
57
58static efi_status_t EFIAPI gop_blt(struct efi_gop *this, void *buffer,
59 unsigned long operation, unsigned long sx,
60 unsigned long sy, unsigned long dx,
61 unsigned long dy, unsigned long width,
62 unsigned long height, unsigned long delta)
63{
64 struct efi_gop_obj *gopobj = container_of(this, struct efi_gop_obj, ops);
65 int i, j, line_len16, line_len32;
66 void *fb;
67
68 EFI_ENTRY("%p, %p, %lx, %lx, %lx, %lx, %lx, %lx, %lx, %lx", this,
69 buffer, operation, sx, sy, dx, dy, width, height, delta);
70
71 if (operation != EFI_BLT_BUFFER_TO_VIDEO)
72 return EFI_EXIT(EFI_INVALID_PARAMETER);
73
74 fb = (void*)gd->fb_base;
75 line_len16 = gopobj->info.width * sizeof(u16);
76 line_len32 = gopobj->info.width * sizeof(u32);
77
78
79
80 switch (gopobj->bpix) {
81#ifdef CONFIG_DM_VIDEO
82 case VIDEO_BPP32:
83#else
84 case LCD_COLOR32:
85#endif
86 for (i = 0; i < height; i++) {
87 u32 *dest = fb + ((i + dy) * line_len32) +
88 (dx * sizeof(u32));
89 u32 *src = buffer + ((i + sy) * line_len32) +
90 (sx * sizeof(u32));
91
92
93 memcpy(dest, src, width * sizeof(u32));
94 }
95 break;
96#ifdef CONFIG_DM_VIDEO
97 case VIDEO_BPP16:
98#else
99 case LCD_COLOR16:
100#endif
101 for (i = 0; i < height; i++) {
102 u16 *dest = fb + ((i + dy) * line_len16) +
103 (dx * sizeof(u16));
104 u32 *src = buffer + ((i + sy) * line_len32) +
105 (sx * sizeof(u32));
106
107
108 for (j = 0; j < width; j++) {
109 u32 rgb888 = src[j];
110 dest[j] = ((((rgb888 >> (16 + 3)) & 0x1f) << 11) |
111 (((rgb888 >> (8 + 2)) & 0x3f) << 5) |
112 (((rgb888 >> (0 + 3)) & 0x1f) << 0));
113 }
114 }
115 break;
116 }
117
118#ifdef CONFIG_DM_VIDEO
119 video_sync_all();
120#else
121 lcd_sync();
122#endif
123
124 return EFI_EXIT(EFI_SUCCESS);
125}
126
127
128int efi_gop_register(void)
129{
130 struct efi_gop_obj *gopobj;
131 u32 bpix, col, row;
132 u64 fb_base, fb_size;
133
134#ifdef CONFIG_DM_VIDEO
135 struct udevice *vdev;
136
137
138 if (uclass_first_device(UCLASS_VIDEO, &vdev))
139 return -1;
140
141 struct video_priv *priv = dev_get_uclass_priv(vdev);
142 bpix = priv->bpix;
143 col = video_get_xsize(vdev);
144 row = video_get_ysize(vdev);
145 fb_base = (uintptr_t)priv->fb;
146 fb_size = priv->fb_size;
147#else
148 int line_len;
149
150 bpix = panel_info.vl_bpix;
151 col = panel_info.vl_col;
152 row = panel_info.vl_row;
153 fb_base = gd->fb_base;
154 fb_size = lcd_get_size(&line_len);
155#endif
156
157 switch (bpix) {
158#ifdef CONFIG_DM_VIDEO
159 case VIDEO_BPP16:
160 case VIDEO_BPP32:
161#else
162 case LCD_COLOR32:
163 case LCD_COLOR16:
164#endif
165 break;
166 default:
167
168 return -1;
169 }
170
171 gopobj = calloc(1, sizeof(*gopobj));
172
173
174 gopobj->parent.protocols[0].guid = &efi_gop_guid;
175 gopobj->parent.protocols[0].open = efi_return_handle;
176 gopobj->parent.handle = &gopobj->ops;
177 gopobj->ops.query_mode = gop_query_mode;
178 gopobj->ops.set_mode = gop_set_mode;
179 gopobj->ops.blt = gop_blt;
180 gopobj->ops.mode = &gopobj->mode;
181
182 gopobj->mode.max_mode = 1;
183 gopobj->mode.info = &gopobj->info;
184 gopobj->mode.info_size = sizeof(gopobj->info);
185
186#ifdef CONFIG_DM_VIDEO
187 if (bpix == VIDEO_BPP32) {
188#else
189 if (bpix == LCD_COLOR32) {
190#endif
191
192 gopobj->mode.fb_base = fb_base;
193 gopobj->mode.fb_size = fb_size;
194 }
195
196 gopobj->info.version = 0;
197 gopobj->info.width = col;
198 gopobj->info.height = row;
199 gopobj->info.pixel_format = EFI_GOT_RGBA8;
200 gopobj->info.pixels_per_scanline = col;
201
202 gopobj->bpix = bpix;
203
204
205 list_add_tail(&gopobj->parent.link, &efi_obj_list);
206
207 return 0;
208}
209