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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" |
14414da4 | 32 | |
31211df1 TS |
33 | typedef enum { |
34 | REDRAW_NONE = 0, REDRAW_SEGMENTS = 1, REDRAW_BACKGROUND = 2, | |
c227f099 | 35 | } screen_state_t; |
31211df1 | 36 | |
66c2de56 AF |
37 | #define TYPE_JAZZ_LED "jazz-led" |
38 | #define JAZZ_LED(obj) OBJECT_CHECK(LedState, (obj), TYPE_JAZZ_LED) | |
39 | ||
31211df1 | 40 | typedef struct LedState { |
66c2de56 AF |
41 | SysBusDevice parent_obj; |
42 | ||
c6017850 | 43 | MemoryRegion iomem; |
31211df1 | 44 | uint8_t segments; |
c78f7137 | 45 | QemuConsole *con; |
c227f099 | 46 | screen_state_t state; |
31211df1 TS |
47 | } LedState; |
48 | ||
a8170e5e | 49 | static uint64_t jazz_led_read(void *opaque, hwaddr addr, |
b39506e4 | 50 | unsigned int size) |
31211df1 TS |
51 | { |
52 | LedState *s = opaque; | |
63b9932d | 53 | uint8_t val; |
31211df1 | 54 | |
b39506e4 | 55 | val = s->segments; |
63b9932d | 56 | trace_jazz_led_read(addr, val); |
14414da4 | 57 | |
31211df1 TS |
58 | return val; |
59 | } | |
60 | ||
a8170e5e | 61 | static void jazz_led_write(void *opaque, hwaddr addr, |
b39506e4 | 62 | uint64_t val, unsigned int size) |
31211df1 TS |
63 | { |
64 | LedState *s = opaque; | |
63b9932d | 65 | uint8_t new_val = val & 0xff; |
31211df1 | 66 | |
63b9932d | 67 | trace_jazz_led_write(addr, new_val); |
14414da4 | 68 | |
b39506e4 HP |
69 | s->segments = new_val; |
70 | s->state |= REDRAW_SEGMENTS; | |
31211df1 TS |
71 | } |
72 | ||
c6017850 | 73 | static const MemoryRegionOps led_ops = { |
b39506e4 HP |
74 | .read = jazz_led_read, |
75 | .write = jazz_led_write, | |
c6017850 | 76 | .endianness = DEVICE_NATIVE_ENDIAN, |
b39506e4 HP |
77 | .impl.min_access_size = 1, |
78 | .impl.max_access_size = 1, | |
31211df1 TS |
79 | }; |
80 | ||
81 | /***********************************************************/ | |
82 | /* jazz_led display */ | |
83 | ||
c78f7137 GH |
84 | static void draw_horizontal_line(DisplaySurface *ds, |
85 | int posy, int posx1, int posx2, | |
86 | uint32_t color) | |
31211df1 TS |
87 | { |
88 | uint8_t *d; | |
89 | int x, bpp; | |
90 | ||
c78f7137 GH |
91 | bpp = (surface_bits_per_pixel(ds) + 7) >> 3; |
92 | d = surface_data(ds) + surface_stride(ds) * posy + bpp * posx1; | |
31211df1 TS |
93 | switch(bpp) { |
94 | case 1: | |
95 | for (x = posx1; x <= posx2; x++) { | |
96 | *((uint8_t *)d) = color; | |
97 | d++; | |
98 | } | |
99 | break; | |
100 | case 2: | |
101 | for (x = posx1; x <= posx2; x++) { | |
102 | *((uint16_t *)d) = color; | |
103 | d += 2; | |
104 | } | |
105 | break; | |
106 | case 4: | |
107 | for (x = posx1; x <= posx2; x++) { | |
108 | *((uint32_t *)d) = color; | |
109 | d += 4; | |
110 | } | |
111 | break; | |
112 | } | |
113 | } | |
114 | ||
c78f7137 GH |
115 | static void draw_vertical_line(DisplaySurface *ds, |
116 | int posx, int posy1, int posy2, | |
117 | uint32_t color) | |
31211df1 TS |
118 | { |
119 | uint8_t *d; | |
120 | int y, bpp; | |
121 | ||
c78f7137 GH |
122 | bpp = (surface_bits_per_pixel(ds) + 7) >> 3; |
123 | d = surface_data(ds) + surface_stride(ds) * posy1 + bpp * posx; | |
31211df1 TS |
124 | switch(bpp) { |
125 | case 1: | |
126 | for (y = posy1; y <= posy2; y++) { | |
127 | *((uint8_t *)d) = color; | |
c78f7137 | 128 | d += surface_stride(ds); |
31211df1 TS |
129 | } |
130 | break; | |
131 | case 2: | |
132 | for (y = posy1; y <= posy2; y++) { | |
133 | *((uint16_t *)d) = color; | |
c78f7137 | 134 | d += surface_stride(ds); |
31211df1 TS |
135 | } |
136 | break; | |
137 | case 4: | |
138 | for (y = posy1; y <= posy2; y++) { | |
139 | *((uint32_t *)d) = color; | |
c78f7137 | 140 | d += surface_stride(ds); |
31211df1 TS |
141 | } |
142 | break; | |
143 | } | |
144 | } | |
145 | ||
146 | static void jazz_led_update_display(void *opaque) | |
147 | { | |
148 | LedState *s = opaque; | |
c78f7137 | 149 | DisplaySurface *surface = qemu_console_surface(s->con); |
31211df1 TS |
150 | uint8_t *d1; |
151 | uint32_t color_segment, color_led; | |
152 | int y, bpp; | |
153 | ||
154 | if (s->state & REDRAW_BACKGROUND) { | |
155 | /* clear screen */ | |
c78f7137 GH |
156 | bpp = (surface_bits_per_pixel(surface) + 7) >> 3; |
157 | d1 = surface_data(surface); | |
158 | for (y = 0; y < surface_height(surface); y++) { | |
159 | memset(d1, 0x00, surface_width(surface) * bpp); | |
160 | d1 += surface_stride(surface); | |
31211df1 TS |
161 | } |
162 | } | |
163 | ||
164 | if (s->state & REDRAW_SEGMENTS) { | |
165 | /* set colors according to bpp */ | |
c78f7137 | 166 | switch (surface_bits_per_pixel(surface)) { |
31211df1 TS |
167 | case 8: |
168 | color_segment = rgb_to_pixel8(0xaa, 0xaa, 0xaa); | |
169 | color_led = rgb_to_pixel8(0x00, 0xff, 0x00); | |
170 | break; | |
171 | case 15: | |
172 | color_segment = rgb_to_pixel15(0xaa, 0xaa, 0xaa); | |
173 | color_led = rgb_to_pixel15(0x00, 0xff, 0x00); | |
174 | break; | |
175 | case 16: | |
176 | color_segment = rgb_to_pixel16(0xaa, 0xaa, 0xaa); | |
177 | color_led = rgb_to_pixel16(0x00, 0xff, 0x00); | |
e35f29de | 178 | break; |
31211df1 TS |
179 | case 24: |
180 | color_segment = rgb_to_pixel24(0xaa, 0xaa, 0xaa); | |
181 | color_led = rgb_to_pixel24(0x00, 0xff, 0x00); | |
182 | break; | |
183 | case 32: | |
184 | color_segment = rgb_to_pixel32(0xaa, 0xaa, 0xaa); | |
185 | color_led = rgb_to_pixel32(0x00, 0xff, 0x00); | |
186 | break; | |
187 | default: | |
188 | return; | |
189 | } | |
190 | ||
191 | /* display segments */ | |
c78f7137 GH |
192 | draw_horizontal_line(surface, 40, 10, 40, |
193 | (s->segments & 0x02) ? color_segment : 0); | |
194 | draw_vertical_line(surface, 10, 10, 40, | |
195 | (s->segments & 0x04) ? color_segment : 0); | |
196 | draw_vertical_line(surface, 10, 40, 70, | |
197 | (s->segments & 0x08) ? color_segment : 0); | |
198 | draw_horizontal_line(surface, 70, 10, 40, | |
199 | (s->segments & 0x10) ? color_segment : 0); | |
200 | draw_vertical_line(surface, 40, 40, 70, | |
201 | (s->segments & 0x20) ? color_segment : 0); | |
202 | draw_vertical_line(surface, 40, 10, 40, | |
203 | (s->segments & 0x40) ? color_segment : 0); | |
204 | draw_horizontal_line(surface, 10, 10, 40, | |
205 | (s->segments & 0x80) ? color_segment : 0); | |
31211df1 TS |
206 | |
207 | /* display led */ | |
208 | if (!(s->segments & 0x01)) | |
209 | color_led = 0; /* black */ | |
c78f7137 GH |
210 | draw_horizontal_line(surface, 68, 50, 50, color_led); |
211 | draw_horizontal_line(surface, 69, 49, 51, color_led); | |
212 | draw_horizontal_line(surface, 70, 48, 52, color_led); | |
213 | draw_horizontal_line(surface, 71, 49, 51, color_led); | |
214 | draw_horizontal_line(surface, 72, 50, 50, color_led); | |
31211df1 TS |
215 | } |
216 | ||
217 | s->state = REDRAW_NONE; | |
91155f8b | 218 | dpy_gfx_update_full(s->con); |
31211df1 TS |
219 | } |
220 | ||
221 | static void jazz_led_invalidate_display(void *opaque) | |
222 | { | |
223 | LedState *s = opaque; | |
224 | s->state |= REDRAW_SEGMENTS | REDRAW_BACKGROUND; | |
225 | } | |
226 | ||
c227f099 | 227 | static void jazz_led_text_update(void *opaque, console_ch_t *chardata) |
4d3b6f6e AZ |
228 | { |
229 | LedState *s = opaque; | |
e9c6ab62 | 230 | char buf[3]; |
4d3b6f6e | 231 | |
c78f7137 GH |
232 | dpy_text_cursor(s->con, -1, -1); |
233 | qemu_console_resize(s->con, 2, 1); | |
4d3b6f6e AZ |
234 | |
235 | /* TODO: draw the segments */ | |
e9c6ab62 | 236 | snprintf(buf, 3, "%02hhx", s->segments); |
4083733d OH |
237 | console_write_ch(chardata++, ATTR2CHTYPE(buf[0], QEMU_COLOR_BLUE, |
238 | QEMU_COLOR_BLACK, 1)); | |
239 | console_write_ch(chardata++, ATTR2CHTYPE(buf[1], QEMU_COLOR_BLUE, | |
240 | QEMU_COLOR_BLACK, 1)); | |
4d3b6f6e | 241 | |
c78f7137 | 242 | dpy_text_update(s->con, 0, 0, 2, 1); |
4d3b6f6e AZ |
243 | } |
244 | ||
b39506e4 | 245 | static int jazz_led_post_load(void *opaque, int version_id) |
31211df1 | 246 | { |
b39506e4 HP |
247 | /* force refresh */ |
248 | jazz_led_invalidate_display(opaque); | |
31211df1 | 249 | |
b39506e4 HP |
250 | return 0; |
251 | } | |
31211df1 | 252 | |
b39506e4 HP |
253 | static const VMStateDescription vmstate_jazz_led = { |
254 | .name = "jazz-led", | |
255 | .version_id = 0, | |
256 | .minimum_version_id = 0, | |
b39506e4 HP |
257 | .post_load = jazz_led_post_load, |
258 | .fields = (VMStateField[]) { | |
259 | VMSTATE_UINT8(segments, LedState), | |
260 | VMSTATE_END_OF_LIST() | |
261 | } | |
262 | }; | |
263 | ||
380cd056 GH |
264 | static const GraphicHwOps jazz_led_ops = { |
265 | .invalidate = jazz_led_invalidate_display, | |
266 | .gfx_update = jazz_led_update_display, | |
267 | .text_update = jazz_led_text_update, | |
268 | }; | |
269 | ||
7fe91a5b | 270 | static void jazz_led_init(Object *obj) |
b39506e4 | 271 | { |
7fe91a5b XZ |
272 | LedState *s = JAZZ_LED(obj); |
273 | SysBusDevice *dev = SYS_BUS_DEVICE(obj); | |
31211df1 | 274 | |
7fe91a5b | 275 | memory_region_init_io(&s->iomem, obj, &led_ops, s, "led", 1); |
b39506e4 | 276 | sysbus_init_mmio(dev, &s->iomem); |
7fe91a5b | 277 | } |
31211df1 | 278 | |
7fe91a5b XZ |
279 | static void jazz_led_realize(DeviceState *dev, Error **errp) |
280 | { | |
281 | LedState *s = JAZZ_LED(dev); | |
b39506e4 | 282 | |
7fe91a5b | 283 | s->con = graphic_console_init(dev, 0, &jazz_led_ops, s); |
b39506e4 HP |
284 | } |
285 | ||
286 | static void jazz_led_reset(DeviceState *d) | |
287 | { | |
66c2de56 | 288 | LedState *s = JAZZ_LED(d); |
b39506e4 HP |
289 | |
290 | s->segments = 0; | |
291 | s->state = REDRAW_SEGMENTS | REDRAW_BACKGROUND; | |
c78f7137 | 292 | qemu_console_resize(s->con, 60, 80); |
31211df1 | 293 | } |
b39506e4 HP |
294 | |
295 | static void jazz_led_class_init(ObjectClass *klass, void *data) | |
296 | { | |
297 | DeviceClass *dc = DEVICE_CLASS(klass); | |
b39506e4 | 298 | |
b39506e4 HP |
299 | dc->desc = "Jazz LED display", |
300 | dc->vmsd = &vmstate_jazz_led; | |
301 | dc->reset = jazz_led_reset; | |
7fe91a5b | 302 | dc->realize = jazz_led_realize; |
b39506e4 HP |
303 | } |
304 | ||
8c43a6f0 | 305 | static const TypeInfo jazz_led_info = { |
66c2de56 | 306 | .name = TYPE_JAZZ_LED, |
b39506e4 HP |
307 | .parent = TYPE_SYS_BUS_DEVICE, |
308 | .instance_size = sizeof(LedState), | |
7fe91a5b | 309 | .instance_init = jazz_led_init, |
b39506e4 HP |
310 | .class_init = jazz_led_class_init, |
311 | }; | |
312 | ||
313 | static void jazz_led_register(void) | |
314 | { | |
315 | type_register_static(&jazz_led_info); | |
316 | } | |
317 | ||
318 | type_init(jazz_led_register); |