1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
/*
* EFI application disk support
*
* Copyright (c) 2016 Alexander Graf
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <efi_loader.h>
#include <inttypes.h>
#include <lcd.h>
#include <malloc.h>
#include <video.h>
DECLARE_GLOBAL_DATA_PTR;
static const efi_guid_t efi_gop_guid = EFI_GOP_GUID;
struct efi_gop_obj {
/* Generic EFI object parent class data */
struct efi_object parent;
/* EFI Interface callback struct for gop */
struct efi_gop ops;
/* The only mode we support */
struct efi_gop_mode_info info;
struct efi_gop_mode mode;
/* Fields we only have acces to during init */
u32 bpix;
void *fb;
};
static efi_status_t EFIAPI gop_query_mode(struct efi_gop *this, u32 mode_number,
efi_uintn_t *size_of_info,
struct efi_gop_mode_info **info)
{
struct efi_gop_obj *gopobj;
EFI_ENTRY("%p, %x, %p, %p", this, mode_number, size_of_info, info);
gopobj = container_of(this, struct efi_gop_obj, ops);
*size_of_info = sizeof(gopobj->info);
*info = &gopobj->info;
return EFI_EXIT(EFI_SUCCESS);
}
static efi_status_t EFIAPI gop_set_mode(struct efi_gop *this, u32 mode_number)
{
EFI_ENTRY("%p, %x", this, mode_number);
if (mode_number != 0)
return EFI_EXIT(EFI_INVALID_PARAMETER);
return EFI_EXIT(EFI_SUCCESS);
}
efi_status_t EFIAPI gop_blt(struct efi_gop *this, void *buffer,
u32 operation, efi_uintn_t sx,
efi_uintn_t sy, efi_uintn_t dx,
efi_uintn_t dy, efi_uintn_t width,
efi_uintn_t height, efi_uintn_t delta)
{
struct efi_gop_obj *gopobj = container_of(this, struct efi_gop_obj, ops);
int i, j, line_len16, line_len32;
void *fb;
EFI_ENTRY("%p, %p, %u, %zu, %zu, %zu, %zu, %zu, %zu, %zu", this,
buffer, operation, sx, sy, dx, dy, width, height, delta);
if (operation != EFI_BLT_BUFFER_TO_VIDEO)
return EFI_EXIT(EFI_INVALID_PARAMETER);
fb = gopobj->fb;
line_len16 = gopobj->info.width * sizeof(u16);
line_len32 = gopobj->info.width * sizeof(u32);
/* Copy the contents line by line */
switch (gopobj->bpix) {
#ifdef CONFIG_DM_VIDEO
case VIDEO_BPP32:
#else
case LCD_COLOR32:
#endif
for (i = 0; i < height; i++) {
u32 *dest = fb + ((i + dy) * line_len32) +
(dx * sizeof(u32));
u32 *src = buffer + ((i + sy) * line_len32) +
(sx * sizeof(u32));
/* Same color format, just memcpy */
memcpy(dest, src, width * sizeof(u32));
}
break;
#ifdef CONFIG_DM_VIDEO
case VIDEO_BPP16:
#else
case LCD_COLOR16:
#endif
for (i = 0; i < height; i++) {
u16 *dest = fb + ((i + dy) * line_len16) +
(dx * sizeof(u16));
u32 *src = buffer + ((i + sy) * line_len32) +
(sx * sizeof(u32));
/* Convert from rgb888 to rgb565 */
for (j = 0; j < width; j++) {
u32 rgb888 = src[j];
dest[j] = ((((rgb888 >> (16 + 3)) & 0x1f) << 11) |
(((rgb888 >> (8 + 2)) & 0x3f) << 5) |
(((rgb888 >> (0 + 3)) & 0x1f) << 0));
}
}
break;
}
#ifdef CONFIG_DM_VIDEO
video_sync_all();
#else
lcd_sync();
#endif
return EFI_EXIT(EFI_SUCCESS);
}
/*
* Install graphical output protocol.
*
* If no supported video device exists this is not considered as an
* error.
*/
efi_status_t efi_gop_register(void)
{
struct efi_gop_obj *gopobj;
u32 bpix, col, row;
u64 fb_base, fb_size;
void *fb;
efi_status_t ret;
#ifdef CONFIG_DM_VIDEO
struct udevice *vdev;
struct video_priv *priv;
/* We only support a single video output device for now */
if (uclass_first_device(UCLASS_VIDEO, &vdev) || !vdev) {
debug("WARNING: No video device\n");
return EFI_SUCCESS;
}
priv = dev_get_uclass_priv(vdev);
bpix = priv->bpix;
col = video_get_xsize(vdev);
row = video_get_ysize(vdev);
fb_base = (uintptr_t)priv->fb;
fb_size = priv->fb_size;
fb = priv->fb;
#else
int line_len;
bpix = panel_info.vl_bpix;
col = panel_info.vl_col;
row = panel_info.vl_row;
fb_base = gd->fb_base;
fb_size = lcd_get_size(&line_len);
fb = (void*)gd->fb_base;
#endif
switch (bpix) {
#ifdef CONFIG_DM_VIDEO
case VIDEO_BPP16:
case VIDEO_BPP32:
#else
case LCD_COLOR32:
case LCD_COLOR16:
#endif
break;
default:
/* So far, we only work in 16 or 32 bit mode */
debug("WARNING: Unsupported video mode\n");
return EFI_SUCCESS;
}
gopobj = calloc(1, sizeof(*gopobj));
if (!gopobj) {
printf("ERROR: Out of memory\n");
return EFI_OUT_OF_RESOURCES;
}
/* Hook up to the device list */
efi_add_handle(&gopobj->parent);
/* Fill in object data */
ret = efi_add_protocol(gopobj->parent.handle, &efi_gop_guid,
&gopobj->ops);
if (ret != EFI_SUCCESS) {
printf("ERROR: Failure adding gop protocol\n");
return ret;
}
gopobj->ops.query_mode = gop_query_mode;
gopobj->ops.set_mode = gop_set_mode;
gopobj->ops.blt = gop_blt;
gopobj->ops.mode = &gopobj->mode;
gopobj->mode.max_mode = 1;
gopobj->mode.info = &gopobj->info;
gopobj->mode.info_size = sizeof(gopobj->info);
#ifdef CONFIG_DM_VIDEO
if (bpix == VIDEO_BPP32)
#else
if (bpix == LCD_COLOR32)
#endif
{
/* With 32bit color space we can directly expose the fb */
gopobj->mode.fb_base = fb_base;
gopobj->mode.fb_size = fb_size;
}
gopobj->info.version = 0;
gopobj->info.width = col;
gopobj->info.height = row;
gopobj->info.pixel_format = EFI_GOT_RGBA8;
gopobj->info.pixels_per_scanline = col;
gopobj->bpix = bpix;
gopobj->fb = fb;
return EFI_SUCCESS;
}
|
