root / hw / jazz_led.c @ 00c3a05b
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1 | 31211df1 | ths | /*
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2 | 31211df1 | ths | * QEMU JAZZ LED emulator.
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3 | 5fafdf24 | ths | *
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4 | 31211df1 | ths | * Copyright (c) 2007 Herv? Poussineau
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5 | 5fafdf24 | ths | *
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6 | 31211df1 | ths | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 31211df1 | ths | * of this software and associated documentation files (the "Software"), to deal
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8 | 31211df1 | ths | * in the Software without restriction, including without limitation the rights
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9 | 31211df1 | ths | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 31211df1 | ths | * copies of the Software, and to permit persons to whom the Software is
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11 | 31211df1 | ths | * furnished to do so, subject to the following conditions:
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12 | 31211df1 | ths | *
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13 | 31211df1 | ths | * The above copyright notice and this permission notice shall be included in
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14 | 31211df1 | ths | * all copies or substantial portions of the Software.
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15 | 31211df1 | ths | *
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16 | 31211df1 | ths | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 31211df1 | ths | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 31211df1 | ths | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 31211df1 | ths | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 31211df1 | ths | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 31211df1 | ths | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 31211df1 | ths | * THE SOFTWARE.
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23 | 31211df1 | ths | */
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24 | 31211df1 | ths | |
25 | 87ecb68b | pbrook | #include "hw.h" |
26 | 87ecb68b | pbrook | #include "mips.h" |
27 | 87ecb68b | pbrook | #include "console.h" |
28 | 31211df1 | ths | #include "pixel_ops.h" |
29 | 31211df1 | ths | |
30 | 31211df1 | ths | //#define DEBUG_LED
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31 | 31211df1 | ths | |
32 | 14414da4 | Hervé Poussineau | #ifdef DEBUG_LED
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33 | 14414da4 | Hervé Poussineau | #define DPRINTF(fmt, ...) \
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34 | 14414da4 | Hervé Poussineau | do { printf("jazz led: " fmt , ## __VA_ARGS__); } while (0) |
35 | 14414da4 | Hervé Poussineau | #else
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36 | 14414da4 | Hervé Poussineau | #define DPRINTF(fmt, ...) do {} while (0) |
37 | 14414da4 | Hervé Poussineau | #endif
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38 | 14414da4 | Hervé Poussineau | #define BADF(fmt, ...) \
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39 | 14414da4 | Hervé Poussineau | do { fprintf(stderr, "jazz led ERROR: " fmt , ## __VA_ARGS__);} while (0) |
40 | 14414da4 | Hervé Poussineau | |
41 | 31211df1 | ths | typedef enum { |
42 | 31211df1 | ths | REDRAW_NONE = 0, REDRAW_SEGMENTS = 1, REDRAW_BACKGROUND = 2, |
43 | c227f099 | Anthony Liguori | } screen_state_t; |
44 | 31211df1 | ths | |
45 | 31211df1 | ths | typedef struct LedState { |
46 | c6017850 | Avi Kivity | MemoryRegion iomem; |
47 | 31211df1 | ths | uint8_t segments; |
48 | 31211df1 | ths | DisplayState *ds; |
49 | c227f099 | Anthony Liguori | screen_state_t state; |
50 | 31211df1 | ths | } LedState; |
51 | 31211df1 | ths | |
52 | c227f099 | Anthony Liguori | static uint32_t led_readb(void *opaque, target_phys_addr_t addr) |
53 | 31211df1 | ths | { |
54 | 31211df1 | ths | LedState *s = opaque; |
55 | 31211df1 | ths | uint32_t val; |
56 | 31211df1 | ths | |
57 | 8da3ff18 | pbrook | switch (addr) {
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58 | 31211df1 | ths | case 0: |
59 | 31211df1 | ths | val = s->segments; |
60 | 31211df1 | ths | break;
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61 | 31211df1 | ths | default:
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62 | 14414da4 | Hervé Poussineau | BADF("invalid read at [" TARGET_FMT_plx "]\n", addr); |
63 | 31211df1 | ths | val = 0;
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64 | 31211df1 | ths | } |
65 | 31211df1 | ths | |
66 | 14414da4 | Hervé Poussineau | DPRINTF("read addr=" TARGET_FMT_plx " val=0x%02x\n", addr, val); |
67 | 14414da4 | Hervé Poussineau | |
68 | 31211df1 | ths | return val;
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69 | 31211df1 | ths | } |
70 | 31211df1 | ths | |
71 | c227f099 | Anthony Liguori | static uint32_t led_readw(void *opaque, target_phys_addr_t addr) |
72 | 31211df1 | ths | { |
73 | 31211df1 | ths | uint32_t v; |
74 | 31211df1 | ths | #ifdef TARGET_WORDS_BIGENDIAN
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75 | 31211df1 | ths | v = led_readb(opaque, addr) << 8;
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76 | 31211df1 | ths | v |= led_readb(opaque, addr + 1);
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77 | 31211df1 | ths | #else
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78 | 31211df1 | ths | v = led_readb(opaque, addr); |
79 | 31211df1 | ths | v |= led_readb(opaque, addr + 1) << 8; |
80 | 31211df1 | ths | #endif
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81 | 31211df1 | ths | return v;
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82 | 31211df1 | ths | } |
83 | 31211df1 | ths | |
84 | c227f099 | Anthony Liguori | static uint32_t led_readl(void *opaque, target_phys_addr_t addr) |
85 | 31211df1 | ths | { |
86 | 31211df1 | ths | uint32_t v; |
87 | 31211df1 | ths | #ifdef TARGET_WORDS_BIGENDIAN
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88 | 31211df1 | ths | v = led_readb(opaque, addr) << 24;
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89 | 31211df1 | ths | v |= led_readb(opaque, addr + 1) << 16; |
90 | 31211df1 | ths | v |= led_readb(opaque, addr + 2) << 8; |
91 | 31211df1 | ths | v |= led_readb(opaque, addr + 3);
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92 | 31211df1 | ths | #else
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93 | 31211df1 | ths | v = led_readb(opaque, addr); |
94 | 31211df1 | ths | v |= led_readb(opaque, addr + 1) << 8; |
95 | 31211df1 | ths | v |= led_readb(opaque, addr + 2) << 16; |
96 | 31211df1 | ths | v |= led_readb(opaque, addr + 3) << 24; |
97 | 31211df1 | ths | #endif
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98 | 31211df1 | ths | return v;
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99 | 31211df1 | ths | } |
100 | 31211df1 | ths | |
101 | c227f099 | Anthony Liguori | static void led_writeb(void *opaque, target_phys_addr_t addr, uint32_t val) |
102 | 31211df1 | ths | { |
103 | 31211df1 | ths | LedState *s = opaque; |
104 | 31211df1 | ths | |
105 | 14414da4 | Hervé Poussineau | DPRINTF("write addr=" TARGET_FMT_plx " val=0x%02x\n", addr, val); |
106 | 14414da4 | Hervé Poussineau | |
107 | 8da3ff18 | pbrook | switch (addr) {
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108 | 31211df1 | ths | case 0: |
109 | 31211df1 | ths | s->segments = val; |
110 | 31211df1 | ths | s->state |= REDRAW_SEGMENTS; |
111 | 31211df1 | ths | break;
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112 | 31211df1 | ths | default:
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113 | 14414da4 | Hervé Poussineau | BADF("invalid write of 0x%08x at [" TARGET_FMT_plx "]\n", val, addr); |
114 | 31211df1 | ths | break;
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115 | 31211df1 | ths | } |
116 | 31211df1 | ths | } |
117 | 31211df1 | ths | |
118 | c227f099 | Anthony Liguori | static void led_writew(void *opaque, target_phys_addr_t addr, uint32_t val) |
119 | 31211df1 | ths | { |
120 | 31211df1 | ths | #ifdef TARGET_WORDS_BIGENDIAN
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121 | 31211df1 | ths | led_writeb(opaque, addr, (val >> 8) & 0xff); |
122 | 31211df1 | ths | led_writeb(opaque, addr + 1, val & 0xff); |
123 | 31211df1 | ths | #else
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124 | 31211df1 | ths | led_writeb(opaque, addr, val & 0xff);
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125 | 31211df1 | ths | led_writeb(opaque, addr + 1, (val >> 8) & 0xff); |
126 | 31211df1 | ths | #endif
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127 | 31211df1 | ths | } |
128 | 31211df1 | ths | |
129 | c227f099 | Anthony Liguori | static void led_writel(void *opaque, target_phys_addr_t addr, uint32_t val) |
130 | 31211df1 | ths | { |
131 | 31211df1 | ths | #ifdef TARGET_WORDS_BIGENDIAN
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132 | 31211df1 | ths | led_writeb(opaque, addr, (val >> 24) & 0xff); |
133 | 31211df1 | ths | led_writeb(opaque, addr + 1, (val >> 16) & 0xff); |
134 | 31211df1 | ths | led_writeb(opaque, addr + 2, (val >> 8) & 0xff); |
135 | 31211df1 | ths | led_writeb(opaque, addr + 3, val & 0xff); |
136 | 31211df1 | ths | #else
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137 | 31211df1 | ths | led_writeb(opaque, addr, val & 0xff);
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138 | 31211df1 | ths | led_writeb(opaque, addr + 1, (val >> 8) & 0xff); |
139 | 31211df1 | ths | led_writeb(opaque, addr + 2, (val >> 16) & 0xff); |
140 | 31211df1 | ths | led_writeb(opaque, addr + 3, (val >> 24) & 0xff); |
141 | 31211df1 | ths | #endif
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142 | 31211df1 | ths | } |
143 | 31211df1 | ths | |
144 | c6017850 | Avi Kivity | static const MemoryRegionOps led_ops = { |
145 | c6017850 | Avi Kivity | .old_mmio = { |
146 | c6017850 | Avi Kivity | .read = { led_readb, led_readw, led_readl, }, |
147 | c6017850 | Avi Kivity | .write = { led_writeb, led_writew, led_writel, }, |
148 | c6017850 | Avi Kivity | }, |
149 | c6017850 | Avi Kivity | .endianness = DEVICE_NATIVE_ENDIAN, |
150 | 31211df1 | ths | }; |
151 | 31211df1 | ths | |
152 | 31211df1 | ths | /***********************************************************/
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153 | 31211df1 | ths | /* jazz_led display */
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154 | 31211df1 | ths | |
155 | 31211df1 | ths | static void draw_horizontal_line(DisplayState *ds, int posy, int posx1, int posx2, uint32_t color) |
156 | 31211df1 | ths | { |
157 | 31211df1 | ths | uint8_t *d; |
158 | 31211df1 | ths | int x, bpp;
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159 | 31211df1 | ths | |
160 | 0e1f5a0c | aliguori | bpp = (ds_get_bits_per_pixel(ds) + 7) >> 3; |
161 | 0e1f5a0c | aliguori | d = ds_get_data(ds) + ds_get_linesize(ds) * posy + bpp * posx1; |
162 | 31211df1 | ths | switch(bpp) {
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163 | 31211df1 | ths | case 1: |
164 | 31211df1 | ths | for (x = posx1; x <= posx2; x++) {
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165 | 31211df1 | ths | *((uint8_t *)d) = color; |
166 | 31211df1 | ths | d++; |
167 | 31211df1 | ths | } |
168 | 31211df1 | ths | break;
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169 | 31211df1 | ths | case 2: |
170 | 31211df1 | ths | for (x = posx1; x <= posx2; x++) {
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171 | 31211df1 | ths | *((uint16_t *)d) = color; |
172 | 31211df1 | ths | d += 2;
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173 | 31211df1 | ths | } |
174 | 31211df1 | ths | break;
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175 | 31211df1 | ths | case 4: |
176 | 31211df1 | ths | for (x = posx1; x <= posx2; x++) {
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177 | 31211df1 | ths | *((uint32_t *)d) = color; |
178 | 31211df1 | ths | d += 4;
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179 | 31211df1 | ths | } |
180 | 31211df1 | ths | break;
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181 | 31211df1 | ths | } |
182 | 31211df1 | ths | } |
183 | 31211df1 | ths | |
184 | 31211df1 | ths | static void draw_vertical_line(DisplayState *ds, int posx, int posy1, int posy2, uint32_t color) |
185 | 31211df1 | ths | { |
186 | 31211df1 | ths | uint8_t *d; |
187 | 31211df1 | ths | int y, bpp;
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188 | 31211df1 | ths | |
189 | 0e1f5a0c | aliguori | bpp = (ds_get_bits_per_pixel(ds) + 7) >> 3; |
190 | 0e1f5a0c | aliguori | d = ds_get_data(ds) + ds_get_linesize(ds) * posy1 + bpp * posx; |
191 | 31211df1 | ths | switch(bpp) {
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192 | 31211df1 | ths | case 1: |
193 | 31211df1 | ths | for (y = posy1; y <= posy2; y++) {
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194 | 31211df1 | ths | *((uint8_t *)d) = color; |
195 | 0e1f5a0c | aliguori | d += ds_get_linesize(ds); |
196 | 31211df1 | ths | } |
197 | 31211df1 | ths | break;
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198 | 31211df1 | ths | case 2: |
199 | 31211df1 | ths | for (y = posy1; y <= posy2; y++) {
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200 | 31211df1 | ths | *((uint16_t *)d) = color; |
201 | 0e1f5a0c | aliguori | d += ds_get_linesize(ds); |
202 | 31211df1 | ths | } |
203 | 31211df1 | ths | break;
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204 | 31211df1 | ths | case 4: |
205 | 31211df1 | ths | for (y = posy1; y <= posy2; y++) {
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206 | 31211df1 | ths | *((uint32_t *)d) = color; |
207 | 0e1f5a0c | aliguori | d += ds_get_linesize(ds); |
208 | 31211df1 | ths | } |
209 | 31211df1 | ths | break;
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210 | 31211df1 | ths | } |
211 | 31211df1 | ths | } |
212 | 31211df1 | ths | |
213 | 31211df1 | ths | static void jazz_led_update_display(void *opaque) |
214 | 31211df1 | ths | { |
215 | 31211df1 | ths | LedState *s = opaque; |
216 | 31211df1 | ths | DisplayState *ds = s->ds; |
217 | 31211df1 | ths | uint8_t *d1; |
218 | 31211df1 | ths | uint32_t color_segment, color_led; |
219 | 31211df1 | ths | int y, bpp;
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220 | 31211df1 | ths | |
221 | 31211df1 | ths | if (s->state & REDRAW_BACKGROUND) {
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222 | 31211df1 | ths | /* clear screen */
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223 | 0e1f5a0c | aliguori | bpp = (ds_get_bits_per_pixel(ds) + 7) >> 3; |
224 | 0e1f5a0c | aliguori | d1 = ds_get_data(ds); |
225 | 0e1f5a0c | aliguori | for (y = 0; y < ds_get_height(ds); y++) { |
226 | 0e1f5a0c | aliguori | memset(d1, 0x00, ds_get_width(ds) * bpp);
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227 | 0e1f5a0c | aliguori | d1 += ds_get_linesize(ds); |
228 | 31211df1 | ths | } |
229 | 31211df1 | ths | } |
230 | 31211df1 | ths | |
231 | 31211df1 | ths | if (s->state & REDRAW_SEGMENTS) {
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232 | 31211df1 | ths | /* set colors according to bpp */
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233 | 0e1f5a0c | aliguori | switch (ds_get_bits_per_pixel(ds)) {
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234 | 31211df1 | ths | case 8: |
235 | 31211df1 | ths | color_segment = rgb_to_pixel8(0xaa, 0xaa, 0xaa); |
236 | 31211df1 | ths | color_led = rgb_to_pixel8(0x00, 0xff, 0x00); |
237 | 31211df1 | ths | break;
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238 | 31211df1 | ths | case 15: |
239 | 31211df1 | ths | color_segment = rgb_to_pixel15(0xaa, 0xaa, 0xaa); |
240 | 31211df1 | ths | color_led = rgb_to_pixel15(0x00, 0xff, 0x00); |
241 | 31211df1 | ths | break;
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242 | 31211df1 | ths | case 16: |
243 | 31211df1 | ths | color_segment = rgb_to_pixel16(0xaa, 0xaa, 0xaa); |
244 | 31211df1 | ths | color_led = rgb_to_pixel16(0x00, 0xff, 0x00); |
245 | 31211df1 | ths | case 24: |
246 | 31211df1 | ths | color_segment = rgb_to_pixel24(0xaa, 0xaa, 0xaa); |
247 | 31211df1 | ths | color_led = rgb_to_pixel24(0x00, 0xff, 0x00); |
248 | 31211df1 | ths | break;
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249 | 31211df1 | ths | case 32: |
250 | 31211df1 | ths | color_segment = rgb_to_pixel32(0xaa, 0xaa, 0xaa); |
251 | 31211df1 | ths | color_led = rgb_to_pixel32(0x00, 0xff, 0x00); |
252 | 31211df1 | ths | break;
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253 | 31211df1 | ths | default:
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254 | 31211df1 | ths | return;
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255 | 31211df1 | ths | } |
256 | 31211df1 | ths | |
257 | 31211df1 | ths | /* display segments */
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258 | 31211df1 | ths | draw_horizontal_line(ds, 40, 10, 40, (s->segments & 0x02) ? color_segment : 0); |
259 | 31211df1 | ths | draw_vertical_line(ds, 10, 10, 40, (s->segments & 0x04) ? color_segment : 0); |
260 | 31211df1 | ths | draw_vertical_line(ds, 10, 40, 70, (s->segments & 0x08) ? color_segment : 0); |
261 | 31211df1 | ths | draw_horizontal_line(ds, 70, 10, 40, (s->segments & 0x10) ? color_segment : 0); |
262 | 31211df1 | ths | draw_vertical_line(ds, 40, 40, 70, (s->segments & 0x20) ? color_segment : 0); |
263 | 31211df1 | ths | draw_vertical_line(ds, 40, 10, 40, (s->segments & 0x40) ? color_segment : 0); |
264 | 31211df1 | ths | draw_horizontal_line(ds, 10, 10, 40, (s->segments & 0x80) ? color_segment : 0); |
265 | 31211df1 | ths | |
266 | 31211df1 | ths | /* display led */
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267 | 31211df1 | ths | if (!(s->segments & 0x01)) |
268 | 31211df1 | ths | color_led = 0; /* black */ |
269 | 31211df1 | ths | draw_horizontal_line(ds, 68, 50, 50, color_led); |
270 | 31211df1 | ths | draw_horizontal_line(ds, 69, 49, 51, color_led); |
271 | 31211df1 | ths | draw_horizontal_line(ds, 70, 48, 52, color_led); |
272 | 31211df1 | ths | draw_horizontal_line(ds, 71, 49, 51, color_led); |
273 | 31211df1 | ths | draw_horizontal_line(ds, 72, 50, 50, color_led); |
274 | 31211df1 | ths | } |
275 | 31211df1 | ths | |
276 | 31211df1 | ths | s->state = REDRAW_NONE; |
277 | 0e1f5a0c | aliguori | dpy_update(ds, 0, 0, ds_get_width(ds), ds_get_height(ds)); |
278 | 31211df1 | ths | } |
279 | 31211df1 | ths | |
280 | 31211df1 | ths | static void jazz_led_invalidate_display(void *opaque) |
281 | 31211df1 | ths | { |
282 | 31211df1 | ths | LedState *s = opaque; |
283 | 31211df1 | ths | s->state |= REDRAW_SEGMENTS | REDRAW_BACKGROUND; |
284 | 31211df1 | ths | } |
285 | 31211df1 | ths | |
286 | 31211df1 | ths | static void jazz_led_screen_dump(void *opaque, const char *filename) |
287 | 31211df1 | ths | { |
288 | 31211df1 | ths | printf("jazz_led_screen_dump() not implemented\n");
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289 | 31211df1 | ths | } |
290 | 31211df1 | ths | |
291 | c227f099 | Anthony Liguori | static void jazz_led_text_update(void *opaque, console_ch_t *chardata) |
292 | 4d3b6f6e | balrog | { |
293 | 4d3b6f6e | balrog | LedState *s = opaque; |
294 | 4d3b6f6e | balrog | char buf[2]; |
295 | 4d3b6f6e | balrog | |
296 | 4d3b6f6e | balrog | dpy_cursor(s->ds, -1, -1); |
297 | 3023f332 | aliguori | qemu_console_resize(s->ds, 2, 1); |
298 | 4d3b6f6e | balrog | |
299 | 4d3b6f6e | balrog | /* TODO: draw the segments */
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300 | 4d3b6f6e | balrog | snprintf(buf, 2, "%02hhx\n", s->segments); |
301 | 4d3b6f6e | balrog | console_write_ch(chardata++, 0x00200100 | buf[0]); |
302 | 4d3b6f6e | balrog | console_write_ch(chardata++, 0x00200100 | buf[1]); |
303 | 4d3b6f6e | balrog | |
304 | 4d3b6f6e | balrog | dpy_update(s->ds, 0, 0, 2, 1); |
305 | 4d3b6f6e | balrog | } |
306 | 4d3b6f6e | balrog | |
307 | c6017850 | Avi Kivity | void jazz_led_init(MemoryRegion *address_space, target_phys_addr_t base)
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308 | 31211df1 | ths | { |
309 | 31211df1 | ths | LedState *s; |
310 | 31211df1 | ths | |
311 | 7267c094 | Anthony Liguori | s = g_malloc0(sizeof(LedState));
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312 | 31211df1 | ths | |
313 | 31211df1 | ths | s->state = REDRAW_SEGMENTS | REDRAW_BACKGROUND; |
314 | 31211df1 | ths | |
315 | c6017850 | Avi Kivity | memory_region_init_io(&s->iomem, &led_ops, s, "led", 1); |
316 | c6017850 | Avi Kivity | memory_region_add_subregion(address_space, base, &s->iomem); |
317 | 31211df1 | ths | |
318 | 3023f332 | aliguori | s->ds = graphic_console_init(jazz_led_update_display, |
319 | 3023f332 | aliguori | jazz_led_invalidate_display, |
320 | 3023f332 | aliguori | jazz_led_screen_dump, |
321 | 3023f332 | aliguori | jazz_led_text_update, s); |
322 | 3023f332 | aliguori | qemu_console_resize(s->ds, 60, 80); |
323 | 31211df1 | ths | } |