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/>.
19 #include "qemu/osdep.h"
21 #include "ui/console.h"
22 #include "hw/arm/omap.h"
23 #include "framebuffer.h"
24 #include "ui/pixel_ops.h"
26 struct omap_lcd_panel_s {
29 MemoryRegionSection fbsection;
44 struct omap_dma_lcd_channel_s *dma;
45 uint16_t palette[256];
52 static void omap_lcd_interrupts(struct omap_lcd_panel_s *s)
54 if (s->frame_done && (s->interrupts & 1)) {
55 qemu_irq_raise(s->irq);
59 if (s->palette_done && (s->interrupts & 2)) {
60 qemu_irq_raise(s->irq);
65 qemu_irq_raise(s->irq);
69 qemu_irq_lower(s->irq);
72 #define draw_line_func drawfn
75 #include "omap_lcd_template.h"
77 #include "omap_lcd_template.h"
79 #include "omap_lcd_template.h"
81 #include "omap_lcd_template.h"
83 static draw_line_func draw_line_table2[33] = {
89 }, draw_line_table4[33] = {
95 }, draw_line_table8[33] = {
100 [32] = draw_line8_32,
101 }, draw_line_table12[33] = {
104 [15] = draw_line12_15,
105 [16] = draw_line12_16,
106 [32] = draw_line12_32,
107 }, draw_line_table16[33] = {
110 [15] = draw_line16_15,
111 [16] = draw_line16_16,
112 [32] = draw_line16_32,
115 static void omap_update_display(void *opaque)
117 struct omap_lcd_panel_s *omap_lcd = (struct omap_lcd_panel_s *) opaque;
118 DisplaySurface *surface = qemu_console_surface(omap_lcd->con);
119 draw_line_func draw_line;
120 int size, height, first, last;
121 int width, linesize, step, bpp, frame_offset;
124 if (!omap_lcd || omap_lcd->plm == 1 || !omap_lcd->enable ||
125 !surface_bits_per_pixel(surface)) {
130 if (omap_lcd->plm != 2) {
131 cpu_physical_memory_read(omap_lcd->dma->phys_framebuffer[
132 omap_lcd->dma->current_frame],
133 (void *)omap_lcd->palette, 0x200);
134 switch (omap_lcd->palette[0] >> 12 & 7) {
136 frame_offset += 0x200;
139 frame_offset += 0x20;
144 switch ((omap_lcd->palette[0] >> 12) & 7) {
146 draw_line = draw_line_table2[surface_bits_per_pixel(surface)];
151 draw_line = draw_line_table4[surface_bits_per_pixel(surface)];
156 draw_line = draw_line_table8[surface_bits_per_pixel(surface)];
162 draw_line = draw_line_table12[surface_bits_per_pixel(surface)];
164 draw_line = draw_line_table16[surface_bits_per_pixel(surface)];
169 /* Unsupported at the moment. */
174 width = omap_lcd->width;
175 if (width != surface_width(surface) ||
176 omap_lcd->height != surface_height(surface)) {
177 qemu_console_resize(omap_lcd->con,
178 omap_lcd->width, omap_lcd->height);
179 surface = qemu_console_surface(omap_lcd->con);
180 omap_lcd->invalidate = 1;
183 if (omap_lcd->dma->current_frame == 0)
184 size = omap_lcd->dma->src_f1_bottom - omap_lcd->dma->src_f1_top;
186 size = omap_lcd->dma->src_f2_bottom - omap_lcd->dma->src_f2_top;
188 if (frame_offset + ((width * omap_lcd->height * bpp) >> 3) > size + 2) {
189 omap_lcd->sync_error = 1;
190 omap_lcd_interrupts(omap_lcd);
191 omap_lcd->enable = 0;
196 frame_base = omap_lcd->dma->phys_framebuffer[
197 omap_lcd->dma->current_frame] + frame_offset;
198 omap_lcd->dma->condition |= 1 << omap_lcd->dma->current_frame;
199 if (omap_lcd->dma->interrupts & 1)
200 qemu_irq_raise(omap_lcd->dma->irq);
201 if (omap_lcd->dma->dual)
202 omap_lcd->dma->current_frame ^= 1;
204 if (!surface_bits_per_pixel(surface)) {
209 height = omap_lcd->height;
210 if (omap_lcd->subpanel & (1 << 31)) {
211 if (omap_lcd->subpanel & (1 << 29))
212 first = (omap_lcd->subpanel >> 16) & 0x3ff;
214 height = (omap_lcd->subpanel >> 16) & 0x3ff;
215 /* TODO: fill the rest of the panel with DPD */
218 step = width * bpp >> 3;
219 linesize = surface_stride(surface);
220 if (omap_lcd->invalidate) {
221 framebuffer_update_memory_section(&omap_lcd->fbsection,
222 omap_lcd->sysmem, frame_base,
226 framebuffer_update_display(surface, &omap_lcd->fbsection,
229 omap_lcd->invalidate,
230 draw_line, omap_lcd->palette,
234 dpy_gfx_update(omap_lcd->con, 0, first, width, last - first + 1);
236 omap_lcd->invalidate = 0;
239 static void omap_invalidate_display(void *opaque) {
240 struct omap_lcd_panel_s *omap_lcd = opaque;
241 omap_lcd->invalidate = 1;
244 static void omap_lcd_update(struct omap_lcd_panel_s *s) {
246 s->dma->current_frame = -1;
250 omap_lcd_interrupts(s);
254 if (s->dma->current_frame == -1) {
257 s->dma->current_frame = 0;
260 if (!s->dma->mpu->port[s->dma->src].addr_valid(s->dma->mpu,
261 s->dma->src_f1_top) ||
263 s->dma->src].addr_valid(s->dma->mpu,
264 s->dma->src_f1_bottom) ||
267 s->dma->src].addr_valid(s->dma->mpu,
268 s->dma->src_f2_top) ||
270 s->dma->src].addr_valid(s->dma->mpu,
271 s->dma->src_f2_bottom)))) {
272 s->dma->condition |= 1 << 2;
273 if (s->dma->interrupts & (1 << 1))
274 qemu_irq_raise(s->dma->irq);
279 s->dma->phys_framebuffer[0] = s->dma->src_f1_top;
280 s->dma->phys_framebuffer[1] = s->dma->src_f2_top;
282 if (s->plm != 2 && !s->palette_done) {
283 cpu_physical_memory_read(
284 s->dma->phys_framebuffer[s->dma->current_frame],
285 (void *)s->palette, 0x200);
287 omap_lcd_interrupts(s);
291 static uint64_t omap_lcdc_read(void *opaque, hwaddr addr,
294 struct omap_lcd_panel_s *s = (struct omap_lcd_panel_s *) opaque;
297 case 0x00: /* LCD_CONTROL */
298 return (s->tft << 23) | (s->plm << 20) |
299 (s->tft << 7) | (s->interrupts << 3) |
300 (s->mono << 1) | s->enable | s->ctrl | 0xfe000c34;
302 case 0x04: /* LCD_TIMING0 */
303 return (s->timing[0] << 10) | (s->width - 1) | 0x0000000f;
305 case 0x08: /* LCD_TIMING1 */
306 return (s->timing[1] << 10) | (s->height - 1);
308 case 0x0c: /* LCD_TIMING2 */
309 return s->timing[2] | 0xfc000000;
311 case 0x10: /* LCD_STATUS */
312 return (s->palette_done << 6) | (s->sync_error << 2) | s->frame_done;
314 case 0x14: /* LCD_SUBPANEL */
324 static void omap_lcdc_write(void *opaque, hwaddr addr,
325 uint64_t value, unsigned size)
327 struct omap_lcd_panel_s *s = (struct omap_lcd_panel_s *) opaque;
330 case 0x00: /* LCD_CONTROL */
331 s->plm = (value >> 20) & 3;
332 s->tft = (value >> 7) & 1;
333 s->interrupts = (value >> 3) & 3;
334 s->mono = (value >> 1) & 1;
335 s->ctrl = value & 0x01cff300;
336 if (s->enable != (value & 1)) {
337 s->enable = value & 1;
342 case 0x04: /* LCD_TIMING0 */
343 s->timing[0] = value >> 10;
344 s->width = (value & 0x3ff) + 1;
347 case 0x08: /* LCD_TIMING1 */
348 s->timing[1] = value >> 10;
349 s->height = (value & 0x3ff) + 1;
352 case 0x0c: /* LCD_TIMING2 */
353 s->timing[2] = value;
356 case 0x10: /* LCD_STATUS */
359 case 0x14: /* LCD_SUBPANEL */
360 s->subpanel = value & 0xa1ffffff;
368 static const MemoryRegionOps omap_lcdc_ops = {
369 .read = omap_lcdc_read,
370 .write = omap_lcdc_write,
371 .endianness = DEVICE_NATIVE_ENDIAN,
374 void omap_lcdc_reset(struct omap_lcd_panel_s *s)
376 s->dma->current_frame = -1;
396 static const GraphicHwOps omap_ops = {
397 .invalidate = omap_invalidate_display,
398 .gfx_update = omap_update_display,
401 struct omap_lcd_panel_s *omap_lcdc_init(MemoryRegion *sysmem,
404 struct omap_dma_lcd_channel_s *dma,
407 struct omap_lcd_panel_s *s = g_new0(struct omap_lcd_panel_s, 1);
414 memory_region_init_io(&s->iomem, NULL, &omap_lcdc_ops, s, "omap.lcdc", 0x100);
415 memory_region_add_subregion(sysmem, base, &s->iomem);
417 s->con = graphic_console_init(NULL, 0, &omap_ops, s);