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31211df1 TS |
1 | /* |
2 | * QEMU JAZZ LED emulator. | |
5fafdf24 | 3 | * |
b39506e4 | 4 | * Copyright (c) 2007-2012 Herve Poussineau |
5fafdf24 | 5 | * |
31211df1 TS |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | ||
47df5154 | 25 | #include "qemu/osdep.h" |
0b8fa32f | 26 | #include "qemu/module.h" |
28ecbaee PB |
27 | #include "ui/console.h" |
28 | #include "ui/pixel_ops.h" | |
63b9932d | 29 | #include "trace.h" |
83c9f4ca | 30 | #include "hw/sysbus.h" |
d6454270 | 31 | #include "migration/vmstate.h" |
db1015e9 | 32 | #include "qom/object.h" |
14414da4 | 33 | |
31211df1 TS |
34 | typedef enum { |
35 | REDRAW_NONE = 0, REDRAW_SEGMENTS = 1, REDRAW_BACKGROUND = 2, | |
c227f099 | 36 | } screen_state_t; |
31211df1 | 37 | |
66c2de56 | 38 | #define TYPE_JAZZ_LED "jazz-led" |
8063396b | 39 | OBJECT_DECLARE_SIMPLE_TYPE(LedState, JAZZ_LED) |
66c2de56 | 40 | |
db1015e9 | 41 | struct LedState { |
66c2de56 AF |
42 | SysBusDevice parent_obj; |
43 | ||
c6017850 | 44 | MemoryRegion iomem; |
31211df1 | 45 | uint8_t segments; |
c78f7137 | 46 | QemuConsole *con; |
c227f099 | 47 | screen_state_t state; |
db1015e9 | 48 | }; |
31211df1 | 49 | |
a8170e5e | 50 | static uint64_t jazz_led_read(void *opaque, hwaddr addr, |
b39506e4 | 51 | unsigned int size) |
31211df1 TS |
52 | { |
53 | LedState *s = opaque; | |
63b9932d | 54 | uint8_t val; |
31211df1 | 55 | |
b39506e4 | 56 | val = s->segments; |
63b9932d | 57 | trace_jazz_led_read(addr, val); |
14414da4 | 58 | |
31211df1 TS |
59 | return val; |
60 | } | |
61 | ||
a8170e5e | 62 | static void jazz_led_write(void *opaque, hwaddr addr, |
b39506e4 | 63 | uint64_t val, unsigned int size) |
31211df1 TS |
64 | { |
65 | LedState *s = opaque; | |
63b9932d | 66 | uint8_t new_val = val & 0xff; |
31211df1 | 67 | |
63b9932d | 68 | trace_jazz_led_write(addr, new_val); |
14414da4 | 69 | |
b39506e4 HP |
70 | s->segments = new_val; |
71 | s->state |= REDRAW_SEGMENTS; | |
31211df1 TS |
72 | } |
73 | ||
c6017850 | 74 | static const MemoryRegionOps led_ops = { |
b39506e4 HP |
75 | .read = jazz_led_read, |
76 | .write = jazz_led_write, | |
c6017850 | 77 | .endianness = DEVICE_NATIVE_ENDIAN, |
b39506e4 HP |
78 | .impl.min_access_size = 1, |
79 | .impl.max_access_size = 1, | |
31211df1 TS |
80 | }; |
81 | ||
82 | /***********************************************************/ | |
83 | /* jazz_led display */ | |
84 | ||
c78f7137 GH |
85 | static void draw_horizontal_line(DisplaySurface *ds, |
86 | int posy, int posx1, int posx2, | |
87 | uint32_t color) | |
31211df1 TS |
88 | { |
89 | uint8_t *d; | |
90 | int x, bpp; | |
91 | ||
c78f7137 GH |
92 | bpp = (surface_bits_per_pixel(ds) + 7) >> 3; |
93 | d = surface_data(ds) + surface_stride(ds) * posy + bpp * posx1; | |
68fa5f55 FB |
94 | switch (bpp) { |
95 | case 1: | |
96 | for (x = posx1; x <= posx2; x++) { | |
97 | *((uint8_t *)d) = color; | |
98 | d++; | |
99 | } | |
100 | break; | |
101 | case 2: | |
102 | for (x = posx1; x <= posx2; x++) { | |
103 | *((uint16_t *)d) = color; | |
104 | d += 2; | |
105 | } | |
106 | break; | |
107 | case 4: | |
108 | for (x = posx1; x <= posx2; x++) { | |
109 | *((uint32_t *)d) = color; | |
110 | d += 4; | |
111 | } | |
112 | break; | |
31211df1 TS |
113 | } |
114 | } | |
115 | ||
c78f7137 GH |
116 | static void draw_vertical_line(DisplaySurface *ds, |
117 | int posx, int posy1, int posy2, | |
118 | uint32_t color) | |
31211df1 TS |
119 | { |
120 | uint8_t *d; | |
121 | int y, bpp; | |
122 | ||
c78f7137 GH |
123 | bpp = (surface_bits_per_pixel(ds) + 7) >> 3; |
124 | d = surface_data(ds) + surface_stride(ds) * posy1 + bpp * posx; | |
68fa5f55 FB |
125 | switch (bpp) { |
126 | case 1: | |
127 | for (y = posy1; y <= posy2; y++) { | |
128 | *((uint8_t *)d) = color; | |
129 | d += surface_stride(ds); | |
130 | } | |
131 | break; | |
132 | case 2: | |
133 | for (y = posy1; y <= posy2; y++) { | |
134 | *((uint16_t *)d) = color; | |
135 | d += surface_stride(ds); | |
136 | } | |
137 | break; | |
138 | case 4: | |
139 | for (y = posy1; y <= posy2; y++) { | |
140 | *((uint32_t *)d) = color; | |
141 | d += surface_stride(ds); | |
142 | } | |
143 | break; | |
31211df1 TS |
144 | } |
145 | } | |
146 | ||
147 | static void jazz_led_update_display(void *opaque) | |
148 | { | |
149 | LedState *s = opaque; | |
c78f7137 | 150 | DisplaySurface *surface = qemu_console_surface(s->con); |
31211df1 TS |
151 | uint8_t *d1; |
152 | uint32_t color_segment, color_led; | |
153 | int y, bpp; | |
154 | ||
155 | if (s->state & REDRAW_BACKGROUND) { | |
156 | /* clear screen */ | |
c78f7137 GH |
157 | bpp = (surface_bits_per_pixel(surface) + 7) >> 3; |
158 | d1 = surface_data(surface); | |
159 | for (y = 0; y < surface_height(surface); y++) { | |
160 | memset(d1, 0x00, surface_width(surface) * bpp); | |
161 | d1 += surface_stride(surface); | |
31211df1 TS |
162 | } |
163 | } | |
164 | ||
165 | if (s->state & REDRAW_SEGMENTS) { | |
166 | /* set colors according to bpp */ | |
c78f7137 | 167 | switch (surface_bits_per_pixel(surface)) { |
68fa5f55 FB |
168 | case 8: |
169 | color_segment = rgb_to_pixel8(0xaa, 0xaa, 0xaa); | |
170 | color_led = rgb_to_pixel8(0x00, 0xff, 0x00); | |
171 | break; | |
172 | case 15: | |
173 | color_segment = rgb_to_pixel15(0xaa, 0xaa, 0xaa); | |
174 | color_led = rgb_to_pixel15(0x00, 0xff, 0x00); | |
175 | break; | |
176 | case 16: | |
177 | color_segment = rgb_to_pixel16(0xaa, 0xaa, 0xaa); | |
178 | color_led = rgb_to_pixel16(0x00, 0xff, 0x00); | |
179 | break; | |
180 | case 24: | |
181 | color_segment = rgb_to_pixel24(0xaa, 0xaa, 0xaa); | |
182 | color_led = rgb_to_pixel24(0x00, 0xff, 0x00); | |
183 | break; | |
184 | case 32: | |
185 | color_segment = rgb_to_pixel32(0xaa, 0xaa, 0xaa); | |
186 | color_led = rgb_to_pixel32(0x00, 0xff, 0x00); | |
187 | break; | |
188 | default: | |
189 | return; | |
31211df1 TS |
190 | } |
191 | ||
192 | /* display segments */ | |
c78f7137 GH |
193 | draw_horizontal_line(surface, 40, 10, 40, |
194 | (s->segments & 0x02) ? color_segment : 0); | |
195 | draw_vertical_line(surface, 10, 10, 40, | |
196 | (s->segments & 0x04) ? color_segment : 0); | |
197 | draw_vertical_line(surface, 10, 40, 70, | |
198 | (s->segments & 0x08) ? color_segment : 0); | |
199 | draw_horizontal_line(surface, 70, 10, 40, | |
200 | (s->segments & 0x10) ? color_segment : 0); | |
201 | draw_vertical_line(surface, 40, 40, 70, | |
202 | (s->segments & 0x20) ? color_segment : 0); | |
203 | draw_vertical_line(surface, 40, 10, 40, | |
204 | (s->segments & 0x40) ? color_segment : 0); | |
205 | draw_horizontal_line(surface, 10, 10, 40, | |
206 | (s->segments & 0x80) ? color_segment : 0); | |
31211df1 TS |
207 | |
208 | /* display led */ | |
68fa5f55 | 209 | if (!(s->segments & 0x01)) { |
31211df1 | 210 | color_led = 0; /* black */ |
68fa5f55 | 211 | } |
c78f7137 GH |
212 | draw_horizontal_line(surface, 68, 50, 50, color_led); |
213 | draw_horizontal_line(surface, 69, 49, 51, color_led); | |
214 | draw_horizontal_line(surface, 70, 48, 52, color_led); | |
215 | draw_horizontal_line(surface, 71, 49, 51, color_led); | |
216 | draw_horizontal_line(surface, 72, 50, 50, color_led); | |
31211df1 TS |
217 | } |
218 | ||
219 | s->state = REDRAW_NONE; | |
91155f8b | 220 | dpy_gfx_update_full(s->con); |
31211df1 TS |
221 | } |
222 | ||
223 | static void jazz_led_invalidate_display(void *opaque) | |
224 | { | |
225 | LedState *s = opaque; | |
226 | s->state |= REDRAW_SEGMENTS | REDRAW_BACKGROUND; | |
227 | } | |
228 | ||
c227f099 | 229 | static void jazz_led_text_update(void *opaque, console_ch_t *chardata) |
4d3b6f6e AZ |
230 | { |
231 | LedState *s = opaque; | |
e9c6ab62 | 232 | char buf[3]; |
4d3b6f6e | 233 | |
c78f7137 GH |
234 | dpy_text_cursor(s->con, -1, -1); |
235 | qemu_console_resize(s->con, 2, 1); | |
4d3b6f6e AZ |
236 | |
237 | /* TODO: draw the segments */ | |
e9c6ab62 | 238 | snprintf(buf, 3, "%02hhx", s->segments); |
4083733d OH |
239 | console_write_ch(chardata++, ATTR2CHTYPE(buf[0], QEMU_COLOR_BLUE, |
240 | QEMU_COLOR_BLACK, 1)); | |
241 | console_write_ch(chardata++, ATTR2CHTYPE(buf[1], QEMU_COLOR_BLUE, | |
242 | QEMU_COLOR_BLACK, 1)); | |
4d3b6f6e | 243 | |
c78f7137 | 244 | dpy_text_update(s->con, 0, 0, 2, 1); |
4d3b6f6e AZ |
245 | } |
246 | ||
b39506e4 | 247 | static int jazz_led_post_load(void *opaque, int version_id) |
31211df1 | 248 | { |
b39506e4 HP |
249 | /* force refresh */ |
250 | jazz_led_invalidate_display(opaque); | |
31211df1 | 251 | |
b39506e4 HP |
252 | return 0; |
253 | } | |
31211df1 | 254 | |
b39506e4 HP |
255 | static const VMStateDescription vmstate_jazz_led = { |
256 | .name = "jazz-led", | |
257 | .version_id = 0, | |
258 | .minimum_version_id = 0, | |
b39506e4 HP |
259 | .post_load = jazz_led_post_load, |
260 | .fields = (VMStateField[]) { | |
261 | VMSTATE_UINT8(segments, LedState), | |
262 | VMSTATE_END_OF_LIST() | |
263 | } | |
264 | }; | |
265 | ||
380cd056 GH |
266 | static const GraphicHwOps jazz_led_ops = { |
267 | .invalidate = jazz_led_invalidate_display, | |
268 | .gfx_update = jazz_led_update_display, | |
269 | .text_update = jazz_led_text_update, | |
270 | }; | |
271 | ||
7fe91a5b | 272 | static void jazz_led_init(Object *obj) |
b39506e4 | 273 | { |
7fe91a5b XZ |
274 | LedState *s = JAZZ_LED(obj); |
275 | SysBusDevice *dev = SYS_BUS_DEVICE(obj); | |
31211df1 | 276 | |
7fe91a5b | 277 | memory_region_init_io(&s->iomem, obj, &led_ops, s, "led", 1); |
b39506e4 | 278 | sysbus_init_mmio(dev, &s->iomem); |
7fe91a5b | 279 | } |
31211df1 | 280 | |
7fe91a5b XZ |
281 | static void jazz_led_realize(DeviceState *dev, Error **errp) |
282 | { | |
283 | LedState *s = JAZZ_LED(dev); | |
b39506e4 | 284 | |
7fe91a5b | 285 | s->con = graphic_console_init(dev, 0, &jazz_led_ops, s); |
b39506e4 HP |
286 | } |
287 | ||
288 | static void jazz_led_reset(DeviceState *d) | |
289 | { | |
66c2de56 | 290 | LedState *s = JAZZ_LED(d); |
b39506e4 HP |
291 | |
292 | s->segments = 0; | |
293 | s->state = REDRAW_SEGMENTS | REDRAW_BACKGROUND; | |
c78f7137 | 294 | qemu_console_resize(s->con, 60, 80); |
31211df1 | 295 | } |
b39506e4 HP |
296 | |
297 | static void jazz_led_class_init(ObjectClass *klass, void *data) | |
298 | { | |
299 | DeviceClass *dc = DEVICE_CLASS(klass); | |
b39506e4 | 300 | |
b39506e4 HP |
301 | dc->desc = "Jazz LED display", |
302 | dc->vmsd = &vmstate_jazz_led; | |
303 | dc->reset = jazz_led_reset; | |
7fe91a5b | 304 | dc->realize = jazz_led_realize; |
b39506e4 HP |
305 | } |
306 | ||
8c43a6f0 | 307 | static const TypeInfo jazz_led_info = { |
66c2de56 | 308 | .name = TYPE_JAZZ_LED, |
b39506e4 HP |
309 | .parent = TYPE_SYS_BUS_DEVICE, |
310 | .instance_size = sizeof(LedState), | |
7fe91a5b | 311 | .instance_init = jazz_led_init, |
b39506e4 HP |
312 | .class_init = jazz_led_class_init, |
313 | }; | |
314 | ||
315 | static void jazz_led_register(void) | |
316 | { | |
317 | type_register_static(&jazz_led_info); | |
318 | } | |
319 | ||
320 | type_init(jazz_led_register); |