4 * Copyright (C) 2006-2007 Andrzej Zaborowski <balrog@zabor.org>
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 of
9 * the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, see <http://www.gnu.org/licenses/>.
20 #include "qemu/osdep.h"
22 #include "ui/console.h"
23 #include "hw/arm/omap.h"
24 #include "framebuffer.h"
25 #include "ui/pixel_ops.h"
27 struct omap_lcd_panel_s
{
30 MemoryRegionSection fbsection
;
45 struct omap_dma_lcd_channel_s
*dma
;
46 uint16_t palette
[256];
53 static void omap_lcd_interrupts(struct omap_lcd_panel_s
*s
)
55 if (s
->frame_done
&& (s
->interrupts
& 1)) {
56 qemu_irq_raise(s
->irq
);
60 if (s
->palette_done
&& (s
->interrupts
& 2)) {
61 qemu_irq_raise(s
->irq
);
66 qemu_irq_raise(s
->irq
);
70 qemu_irq_lower(s
->irq
);
73 #define draw_line_func drawfn
76 #include "omap_lcd_template.h"
78 static void omap_update_display(void *opaque
)
80 struct omap_lcd_panel_s
*omap_lcd
= (struct omap_lcd_panel_s
*) opaque
;
81 DisplaySurface
*surface
;
82 draw_line_func draw_line
;
83 int size
, height
, first
, last
;
84 int width
, linesize
, step
, bpp
, frame_offset
;
87 if (!omap_lcd
|| omap_lcd
->plm
== 1 || !omap_lcd
->enable
) {
91 surface
= qemu_console_surface(omap_lcd
->con
);
92 if (!surface_bits_per_pixel(surface
)) {
97 if (omap_lcd
->plm
!= 2) {
98 cpu_physical_memory_read(
99 omap_lcd
->dma
->phys_framebuffer
[omap_lcd
->dma
->current_frame
],
100 omap_lcd
->palette
, 0x200);
101 switch (omap_lcd
->palette
[0] >> 12 & 7) {
103 frame_offset
+= 0x200;
106 frame_offset
+= 0x20;
111 switch ((omap_lcd
->palette
[0] >> 12) & 7) {
113 draw_line
= draw_line2_32
;
118 draw_line
= draw_line4_32
;
123 draw_line
= draw_line8_32
;
129 draw_line
= draw_line12_32
;
131 draw_line
= draw_line16_32
;
136 /* Unsupported at the moment. */
141 width
= omap_lcd
->width
;
142 if (width
!= surface_width(surface
) ||
143 omap_lcd
->height
!= surface_height(surface
)) {
144 qemu_console_resize(omap_lcd
->con
,
145 omap_lcd
->width
, omap_lcd
->height
);
146 surface
= qemu_console_surface(omap_lcd
->con
);
147 omap_lcd
->invalidate
= 1;
150 if (omap_lcd
->dma
->current_frame
== 0)
151 size
= omap_lcd
->dma
->src_f1_bottom
- omap_lcd
->dma
->src_f1_top
;
153 size
= omap_lcd
->dma
->src_f2_bottom
- omap_lcd
->dma
->src_f2_top
;
155 if (frame_offset
+ ((width
* omap_lcd
->height
* bpp
) >> 3) > size
+ 2) {
156 omap_lcd
->sync_error
= 1;
157 omap_lcd_interrupts(omap_lcd
);
158 omap_lcd
->enable
= 0;
163 frame_base
= omap_lcd
->dma
->phys_framebuffer
[
164 omap_lcd
->dma
->current_frame
] + frame_offset
;
165 omap_lcd
->dma
->condition
|= 1 << omap_lcd
->dma
->current_frame
;
166 if (omap_lcd
->dma
->interrupts
& 1)
167 qemu_irq_raise(omap_lcd
->dma
->irq
);
168 if (omap_lcd
->dma
->dual
)
169 omap_lcd
->dma
->current_frame
^= 1;
171 if (!surface_bits_per_pixel(surface
)) {
176 height
= omap_lcd
->height
;
177 if (omap_lcd
->subpanel
& (1 << 31)) {
178 if (omap_lcd
->subpanel
& (1 << 29))
179 first
= (omap_lcd
->subpanel
>> 16) & 0x3ff;
181 height
= (omap_lcd
->subpanel
>> 16) & 0x3ff;
182 /* TODO: fill the rest of the panel with DPD */
185 step
= width
* bpp
>> 3;
186 linesize
= surface_stride(surface
);
187 if (omap_lcd
->invalidate
) {
188 framebuffer_update_memory_section(&omap_lcd
->fbsection
,
189 omap_lcd
->sysmem
, frame_base
,
193 framebuffer_update_display(surface
, &omap_lcd
->fbsection
,
196 omap_lcd
->invalidate
,
197 draw_line
, omap_lcd
->palette
,
201 dpy_gfx_update(omap_lcd
->con
, 0, first
, width
, last
- first
+ 1);
203 omap_lcd
->invalidate
= 0;
206 static void omap_invalidate_display(void *opaque
) {
207 struct omap_lcd_panel_s
*omap_lcd
= opaque
;
208 omap_lcd
->invalidate
= 1;
211 static void omap_lcd_update(struct omap_lcd_panel_s
*s
) {
213 s
->dma
->current_frame
= -1;
217 omap_lcd_interrupts(s
);
221 if (s
->dma
->current_frame
== -1) {
224 s
->dma
->current_frame
= 0;
227 if (!s
->dma
->mpu
->port
[s
->dma
->src
].addr_valid(s
->dma
->mpu
,
228 s
->dma
->src_f1_top
) ||
230 s
->dma
->src
].addr_valid(s
->dma
->mpu
,
231 s
->dma
->src_f1_bottom
) ||
234 s
->dma
->src
].addr_valid(s
->dma
->mpu
,
235 s
->dma
->src_f2_top
) ||
237 s
->dma
->src
].addr_valid(s
->dma
->mpu
,
238 s
->dma
->src_f2_bottom
)))) {
239 s
->dma
->condition
|= 1 << 2;
240 if (s
->dma
->interrupts
& (1 << 1))
241 qemu_irq_raise(s
->dma
->irq
);
246 s
->dma
->phys_framebuffer
[0] = s
->dma
->src_f1_top
;
247 s
->dma
->phys_framebuffer
[1] = s
->dma
->src_f2_top
;
249 if (s
->plm
!= 2 && !s
->palette_done
) {
250 cpu_physical_memory_read(
251 s
->dma
->phys_framebuffer
[s
->dma
->current_frame
],
254 omap_lcd_interrupts(s
);
258 static uint64_t omap_lcdc_read(void *opaque
, hwaddr addr
,
261 struct omap_lcd_panel_s
*s
= (struct omap_lcd_panel_s
*) opaque
;
264 case 0x00: /* LCD_CONTROL */
265 return (s
->tft
<< 23) | (s
->plm
<< 20) |
266 (s
->tft
<< 7) | (s
->interrupts
<< 3) |
267 (s
->mono
<< 1) | s
->enable
| s
->ctrl
| 0xfe000c34;
269 case 0x04: /* LCD_TIMING0 */
270 return (s
->timing
[0] << 10) | (s
->width
- 1) | 0x0000000f;
272 case 0x08: /* LCD_TIMING1 */
273 return (s
->timing
[1] << 10) | (s
->height
- 1);
275 case 0x0c: /* LCD_TIMING2 */
276 return s
->timing
[2] | 0xfc000000;
278 case 0x10: /* LCD_STATUS */
279 return (s
->palette_done
<< 6) | (s
->sync_error
<< 2) | s
->frame_done
;
281 case 0x14: /* LCD_SUBPANEL */
291 static void omap_lcdc_write(void *opaque
, hwaddr addr
,
292 uint64_t value
, unsigned size
)
294 struct omap_lcd_panel_s
*s
= (struct omap_lcd_panel_s
*) opaque
;
297 case 0x00: /* LCD_CONTROL */
298 s
->plm
= (value
>> 20) & 3;
299 s
->tft
= (value
>> 7) & 1;
300 s
->interrupts
= (value
>> 3) & 3;
301 s
->mono
= (value
>> 1) & 1;
302 s
->ctrl
= value
& 0x01cff300;
303 if (s
->enable
!= (value
& 1)) {
304 s
->enable
= value
& 1;
309 case 0x04: /* LCD_TIMING0 */
310 s
->timing
[0] = value
>> 10;
311 s
->width
= (value
& 0x3ff) + 1;
314 case 0x08: /* LCD_TIMING1 */
315 s
->timing
[1] = value
>> 10;
316 s
->height
= (value
& 0x3ff) + 1;
319 case 0x0c: /* LCD_TIMING2 */
320 s
->timing
[2] = value
;
323 case 0x10: /* LCD_STATUS */
326 case 0x14: /* LCD_SUBPANEL */
327 s
->subpanel
= value
& 0xa1ffffff;
335 static const MemoryRegionOps omap_lcdc_ops
= {
336 .read
= omap_lcdc_read
,
337 .write
= omap_lcdc_write
,
338 .endianness
= DEVICE_NATIVE_ENDIAN
,
341 void omap_lcdc_reset(struct omap_lcd_panel_s
*s
)
343 s
->dma
->current_frame
= -1;
363 static const GraphicHwOps omap_ops
= {
364 .invalidate
= omap_invalidate_display
,
365 .gfx_update
= omap_update_display
,
368 struct omap_lcd_panel_s
*omap_lcdc_init(MemoryRegion
*sysmem
,
371 struct omap_dma_lcd_channel_s
*dma
,
374 struct omap_lcd_panel_s
*s
= g_new0(struct omap_lcd_panel_s
, 1);
381 memory_region_init_io(&s
->iomem
, NULL
, &omap_lcdc_ops
, s
, "omap.lcdc", 0x100);
382 memory_region_add_subregion(sysmem
, base
, &s
->iomem
);
384 s
->con
= graphic_console_init(NULL
, 0, &omap_ops
, s
);