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1 | 5fafdf24 | ths | /*
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2 | bdd5003a | pbrook | * Arm PrimeCell PL110 Color LCD Controller
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3 | bdd5003a | pbrook | *
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4 | 2e9bdce5 | Paul Brook | * Copyright (c) 2005-2009 CodeSourcery.
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5 | bdd5003a | pbrook | * Written by Paul Brook
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6 | bdd5003a | pbrook | *
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7 | 8e31bf38 | Matthew Fernandez | * This code is licensed under the GNU LGPL
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8 | bdd5003a | pbrook | */
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9 | bdd5003a | pbrook | |
10 | 2e9bdce5 | Paul Brook | #include "sysbus.h" |
11 | 87ecb68b | pbrook | #include "console.h" |
12 | 714fa308 | pbrook | #include "framebuffer.h" |
13 | bdd5003a | pbrook | |
14 | bdd5003a | pbrook | #define PL110_CR_EN 0x001 |
15 | e9c05b42 | balrog | #define PL110_CR_BGR 0x100 |
16 | bdd5003a | pbrook | #define PL110_CR_BEBO 0x200 |
17 | bdd5003a | pbrook | #define PL110_CR_BEPO 0x400 |
18 | bdd5003a | pbrook | #define PL110_CR_PWR 0x800 |
19 | bdd5003a | pbrook | |
20 | bdd5003a | pbrook | enum pl110_bppmode
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21 | bdd5003a | pbrook | { |
22 | bdd5003a | pbrook | BPP_1, |
23 | bdd5003a | pbrook | BPP_2, |
24 | bdd5003a | pbrook | BPP_4, |
25 | bdd5003a | pbrook | BPP_8, |
26 | bdd5003a | pbrook | BPP_16, |
27 | 4fbf5556 | Peter Maydell | BPP_32, |
28 | 4fbf5556 | Peter Maydell | BPP_16_565, /* PL111 only */
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29 | 4fbf5556 | Peter Maydell | BPP_12 /* PL111 only */
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30 | 4fbf5556 | Peter Maydell | }; |
31 | 4fbf5556 | Peter Maydell | |
32 | 4fbf5556 | Peter Maydell | |
33 | 4fbf5556 | Peter Maydell | /* The Versatile/PB uses a slightly modified PL110 controller. */
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34 | 4fbf5556 | Peter Maydell | enum pl110_version
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35 | 4fbf5556 | Peter Maydell | { |
36 | 4fbf5556 | Peter Maydell | PL110, |
37 | 4fbf5556 | Peter Maydell | PL110_VERSATILE, |
38 | 4fbf5556 | Peter Maydell | PL111 |
39 | bdd5003a | pbrook | }; |
40 | bdd5003a | pbrook | |
41 | bdd5003a | pbrook | typedef struct { |
42 | 2e9bdce5 | Paul Brook | SysBusDevice busdev; |
43 | bdd5003a | pbrook | DisplayState *ds; |
44 | c60e08d9 | pbrook | |
45 | 4fbf5556 | Peter Maydell | int version;
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46 | bdd5003a | pbrook | uint32_t timing[4];
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47 | bdd5003a | pbrook | uint32_t cr; |
48 | bdd5003a | pbrook | uint32_t upbase; |
49 | bdd5003a | pbrook | uint32_t lpbase; |
50 | bdd5003a | pbrook | uint32_t int_status; |
51 | bdd5003a | pbrook | uint32_t int_mask; |
52 | bdd5003a | pbrook | int cols;
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53 | bdd5003a | pbrook | int rows;
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54 | bdd5003a | pbrook | enum pl110_bppmode bpp;
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55 | bdd5003a | pbrook | int invalidate;
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56 | 242ea2c6 | Peter Maydell | uint32_t mux_ctrl; |
57 | bdd5003a | pbrook | uint32_t pallette[256];
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58 | bdd5003a | pbrook | uint32_t raw_pallette[128];
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59 | d537cf6c | pbrook | qemu_irq irq; |
60 | bdd5003a | pbrook | } pl110_state; |
61 | bdd5003a | pbrook | |
62 | 8c60d065 | Peter Maydell | static const VMStateDescription vmstate_pl110 = { |
63 | 8c60d065 | Peter Maydell | .name = "pl110",
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64 | 242ea2c6 | Peter Maydell | .version_id = 2,
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65 | 8c60d065 | Peter Maydell | .minimum_version_id = 1,
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66 | 8c60d065 | Peter Maydell | .fields = (VMStateField[]) { |
67 | 4fbf5556 | Peter Maydell | VMSTATE_INT32(version, pl110_state), |
68 | 8c60d065 | Peter Maydell | VMSTATE_UINT32_ARRAY(timing, pl110_state, 4),
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69 | 8c60d065 | Peter Maydell | VMSTATE_UINT32(cr, pl110_state), |
70 | 8c60d065 | Peter Maydell | VMSTATE_UINT32(upbase, pl110_state), |
71 | 8c60d065 | Peter Maydell | VMSTATE_UINT32(lpbase, pl110_state), |
72 | 8c60d065 | Peter Maydell | VMSTATE_UINT32(int_status, pl110_state), |
73 | 8c60d065 | Peter Maydell | VMSTATE_UINT32(int_mask, pl110_state), |
74 | 8c60d065 | Peter Maydell | VMSTATE_INT32(cols, pl110_state), |
75 | 8c60d065 | Peter Maydell | VMSTATE_INT32(rows, pl110_state), |
76 | 8c60d065 | Peter Maydell | VMSTATE_UINT32(bpp, pl110_state), |
77 | 8c60d065 | Peter Maydell | VMSTATE_INT32(invalidate, pl110_state), |
78 | 8c60d065 | Peter Maydell | VMSTATE_UINT32_ARRAY(pallette, pl110_state, 256),
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79 | 8c60d065 | Peter Maydell | VMSTATE_UINT32_ARRAY(raw_pallette, pl110_state, 128),
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80 | 242ea2c6 | Peter Maydell | VMSTATE_UINT32_V(mux_ctrl, pl110_state, 2),
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81 | 8c60d065 | Peter Maydell | VMSTATE_END_OF_LIST() |
82 | 8c60d065 | Peter Maydell | } |
83 | 8c60d065 | Peter Maydell | }; |
84 | 8c60d065 | Peter Maydell | |
85 | bdd5003a | pbrook | static const unsigned char pl110_id[] = |
86 | bdd5003a | pbrook | { 0x10, 0x11, 0x04, 0x00, 0x0d, 0xf0, 0x05, 0xb1 }; |
87 | bdd5003a | pbrook | |
88 | cdbdb648 | pbrook | /* The Arm documentation (DDI0224C) says the CLDC on the Versatile board
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89 | cdbdb648 | pbrook | has a different ID. However Linux only looks for the normal ID. */
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90 | cdbdb648 | pbrook | #if 0
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91 | cdbdb648 | pbrook | static const unsigned char pl110_versatile_id[] =
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92 | cdbdb648 | pbrook | { 0x93, 0x10, 0x04, 0x00, 0x0d, 0xf0, 0x05, 0xb1 };
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93 | cdbdb648 | pbrook | #else
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94 | cdbdb648 | pbrook | #define pl110_versatile_id pl110_id
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95 | cdbdb648 | pbrook | #endif
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96 | cdbdb648 | pbrook | |
97 | 4fbf5556 | Peter Maydell | static const unsigned char pl111_id[] = { |
98 | 4fbf5556 | Peter Maydell | 0x11, 0x11, 0x24, 0x00, 0x0d, 0xf0, 0x05, 0xb1 |
99 | 4fbf5556 | Peter Maydell | }; |
100 | 4fbf5556 | Peter Maydell | |
101 | 4fbf5556 | Peter Maydell | /* Indexed by pl110_version */
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102 | 4fbf5556 | Peter Maydell | static const unsigned char *idregs[] = { |
103 | 4fbf5556 | Peter Maydell | pl110_id, |
104 | 4fbf5556 | Peter Maydell | pl110_versatile_id, |
105 | 4fbf5556 | Peter Maydell | pl111_id |
106 | 4fbf5556 | Peter Maydell | }; |
107 | 4fbf5556 | Peter Maydell | |
108 | 602dafcf | pbrook | #include "pixel_ops.h" |
109 | bdd5003a | pbrook | |
110 | bdd5003a | pbrook | #define BITS 8 |
111 | bdd5003a | pbrook | #include "pl110_template.h" |
112 | bdd5003a | pbrook | #define BITS 15 |
113 | bdd5003a | pbrook | #include "pl110_template.h" |
114 | bdd5003a | pbrook | #define BITS 16 |
115 | bdd5003a | pbrook | #include "pl110_template.h" |
116 | bdd5003a | pbrook | #define BITS 24 |
117 | bdd5003a | pbrook | #include "pl110_template.h" |
118 | bdd5003a | pbrook | #define BITS 32 |
119 | bdd5003a | pbrook | #include "pl110_template.h" |
120 | bdd5003a | pbrook | |
121 | bdd5003a | pbrook | static int pl110_enabled(pl110_state *s) |
122 | bdd5003a | pbrook | { |
123 | bdd5003a | pbrook | return (s->cr & PL110_CR_EN) && (s->cr & PL110_CR_PWR);
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124 | bdd5003a | pbrook | } |
125 | bdd5003a | pbrook | |
126 | 95219897 | pbrook | static void pl110_update_display(void *opaque) |
127 | bdd5003a | pbrook | { |
128 | bdd5003a | pbrook | pl110_state *s = (pl110_state *)opaque; |
129 | bdd5003a | pbrook | drawfn* fntable; |
130 | bdd5003a | pbrook | drawfn fn; |
131 | bdd5003a | pbrook | int dest_width;
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132 | bdd5003a | pbrook | int src_width;
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133 | e9c05b42 | balrog | int bpp_offset;
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134 | 714fa308 | pbrook | int first;
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135 | 714fa308 | pbrook | int last;
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136 | bdd5003a | pbrook | |
137 | bdd5003a | pbrook | if (!pl110_enabled(s))
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138 | bdd5003a | pbrook | return;
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139 | 3b46e624 | ths | |
140 | 0e1f5a0c | aliguori | switch (ds_get_bits_per_pixel(s->ds)) {
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141 | af2f6733 | pbrook | case 0: |
142 | af2f6733 | pbrook | return;
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143 | bdd5003a | pbrook | case 8: |
144 | bdd5003a | pbrook | fntable = pl110_draw_fn_8; |
145 | bdd5003a | pbrook | dest_width = 1;
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146 | bdd5003a | pbrook | break;
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147 | bdd5003a | pbrook | case 15: |
148 | bdd5003a | pbrook | fntable = pl110_draw_fn_15; |
149 | bdd5003a | pbrook | dest_width = 2;
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150 | bdd5003a | pbrook | break;
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151 | bdd5003a | pbrook | case 16: |
152 | bdd5003a | pbrook | fntable = pl110_draw_fn_16; |
153 | bdd5003a | pbrook | dest_width = 2;
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154 | bdd5003a | pbrook | break;
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155 | bdd5003a | pbrook | case 24: |
156 | bdd5003a | pbrook | fntable = pl110_draw_fn_24; |
157 | bdd5003a | pbrook | dest_width = 3;
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158 | bdd5003a | pbrook | break;
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159 | bdd5003a | pbrook | case 32: |
160 | bdd5003a | pbrook | fntable = pl110_draw_fn_32; |
161 | bdd5003a | pbrook | dest_width = 4;
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162 | bdd5003a | pbrook | break;
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163 | bdd5003a | pbrook | default:
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164 | af2f6733 | pbrook | fprintf(stderr, "pl110: Bad color depth\n");
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165 | bdd5003a | pbrook | exit(1);
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166 | bdd5003a | pbrook | } |
167 | e9c05b42 | balrog | if (s->cr & PL110_CR_BGR)
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168 | e9c05b42 | balrog | bpp_offset = 0;
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169 | e9c05b42 | balrog | else
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170 | 4fbf5556 | Peter Maydell | bpp_offset = 24;
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171 | 4fbf5556 | Peter Maydell | |
172 | 4fbf5556 | Peter Maydell | if ((s->version != PL111) && (s->bpp == BPP_16)) {
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173 | 4fbf5556 | Peter Maydell | /* The PL110's native 16 bit mode is 5551; however
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174 | 4fbf5556 | Peter Maydell | * most boards with a PL110 implement an external
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175 | 4fbf5556 | Peter Maydell | * mux which allows bits to be reshuffled to give
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176 | 4fbf5556 | Peter Maydell | * 565 format. The mux is typically controlled by
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177 | 4fbf5556 | Peter Maydell | * an external system register.
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178 | 242ea2c6 | Peter Maydell | * This is controlled by a GPIO input pin
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179 | 4fbf5556 | Peter Maydell | * so boards can wire it up to their register.
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180 | 4fbf5556 | Peter Maydell | *
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181 | 4fbf5556 | Peter Maydell | * The PL111 straightforwardly implements both
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182 | 4fbf5556 | Peter Maydell | * 5551 and 565 under control of the bpp field
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183 | 4fbf5556 | Peter Maydell | * in the LCDControl register.
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184 | 4fbf5556 | Peter Maydell | */
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185 | 242ea2c6 | Peter Maydell | switch (s->mux_ctrl) {
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186 | 242ea2c6 | Peter Maydell | case 3: /* 565 BGR */ |
187 | 242ea2c6 | Peter Maydell | bpp_offset = (BPP_16_565 - BPP_16); |
188 | 242ea2c6 | Peter Maydell | break;
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189 | 242ea2c6 | Peter Maydell | case 1: /* 5551 */ |
190 | 242ea2c6 | Peter Maydell | break;
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191 | 242ea2c6 | Peter Maydell | case 0: /* 888; also if we have loaded vmstate from an old version */ |
192 | 242ea2c6 | Peter Maydell | case 2: /* 565 RGB */ |
193 | 242ea2c6 | Peter Maydell | default:
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194 | 242ea2c6 | Peter Maydell | /* treat as 565 but honour BGR bit */
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195 | 242ea2c6 | Peter Maydell | bpp_offset += (BPP_16_565 - BPP_16); |
196 | 242ea2c6 | Peter Maydell | break;
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197 | 242ea2c6 | Peter Maydell | } |
198 | 4fbf5556 | Peter Maydell | } |
199 | e9c05b42 | balrog | |
200 | bdd5003a | pbrook | if (s->cr & PL110_CR_BEBO)
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201 | 4fbf5556 | Peter Maydell | fn = fntable[s->bpp + 8 + bpp_offset];
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202 | bdd5003a | pbrook | else if (s->cr & PL110_CR_BEPO) |
203 | 4fbf5556 | Peter Maydell | fn = fntable[s->bpp + 16 + bpp_offset];
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204 | bdd5003a | pbrook | else
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205 | e9c05b42 | balrog | fn = fntable[s->bpp + bpp_offset]; |
206 | 3b46e624 | ths | |
207 | bdd5003a | pbrook | src_width = s->cols; |
208 | bdd5003a | pbrook | switch (s->bpp) {
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209 | bdd5003a | pbrook | case BPP_1:
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210 | bdd5003a | pbrook | src_width >>= 3;
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211 | bdd5003a | pbrook | break;
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212 | bdd5003a | pbrook | case BPP_2:
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213 | bdd5003a | pbrook | src_width >>= 2;
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214 | bdd5003a | pbrook | break;
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215 | bdd5003a | pbrook | case BPP_4:
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216 | bdd5003a | pbrook | src_width >>= 1;
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217 | bdd5003a | pbrook | break;
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218 | bdd5003a | pbrook | case BPP_8:
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219 | bdd5003a | pbrook | break;
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220 | bdd5003a | pbrook | case BPP_16:
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221 | 4fbf5556 | Peter Maydell | case BPP_16_565:
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222 | 4fbf5556 | Peter Maydell | case BPP_12:
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223 | bdd5003a | pbrook | src_width <<= 1;
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224 | bdd5003a | pbrook | break;
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225 | bdd5003a | pbrook | case BPP_32:
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226 | bdd5003a | pbrook | src_width <<= 2;
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227 | bdd5003a | pbrook | break;
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228 | bdd5003a | pbrook | } |
229 | bdd5003a | pbrook | dest_width *= s->cols; |
230 | 714fa308 | pbrook | first = 0;
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231 | 714fa308 | pbrook | framebuffer_update_display(s->ds, |
232 | 714fa308 | pbrook | s->upbase, s->cols, s->rows, |
233 | 714fa308 | pbrook | src_width, dest_width, 0,
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234 | 714fa308 | pbrook | s->invalidate, |
235 | 714fa308 | pbrook | fn, s->pallette, |
236 | 714fa308 | pbrook | &first, &last); |
237 | 714fa308 | pbrook | if (first >= 0) { |
238 | 714fa308 | pbrook | dpy_update(s->ds, 0, first, s->cols, last - first + 1); |
239 | bdd5003a | pbrook | } |
240 | bdd5003a | pbrook | s->invalidate = 0;
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241 | bdd5003a | pbrook | } |
242 | bdd5003a | pbrook | |
243 | 95219897 | pbrook | static void pl110_invalidate_display(void * opaque) |
244 | bdd5003a | pbrook | { |
245 | bdd5003a | pbrook | pl110_state *s = (pl110_state *)opaque; |
246 | bdd5003a | pbrook | s->invalidate = 1;
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247 | bfdb3629 | Blue Swirl | if (pl110_enabled(s)) {
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248 | bfdb3629 | Blue Swirl | qemu_console_resize(s->ds, s->cols, s->rows); |
249 | bfdb3629 | Blue Swirl | } |
250 | bdd5003a | pbrook | } |
251 | bdd5003a | pbrook | |
252 | bdd5003a | pbrook | static void pl110_update_pallette(pl110_state *s, int n) |
253 | bdd5003a | pbrook | { |
254 | bdd5003a | pbrook | int i;
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255 | bdd5003a | pbrook | uint32_t raw; |
256 | bdd5003a | pbrook | unsigned int r, g, b; |
257 | bdd5003a | pbrook | |
258 | bdd5003a | pbrook | raw = s->raw_pallette[n]; |
259 | bdd5003a | pbrook | n <<= 1;
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260 | bdd5003a | pbrook | for (i = 0; i < 2; i++) { |
261 | bdd5003a | pbrook | r = (raw & 0x1f) << 3; |
262 | bdd5003a | pbrook | raw >>= 5;
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263 | bdd5003a | pbrook | g = (raw & 0x1f) << 3; |
264 | bdd5003a | pbrook | raw >>= 5;
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265 | bdd5003a | pbrook | b = (raw & 0x1f) << 3; |
266 | bdd5003a | pbrook | /* The I bit is ignored. */
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267 | bdd5003a | pbrook | raw >>= 6;
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268 | 0e1f5a0c | aliguori | switch (ds_get_bits_per_pixel(s->ds)) {
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269 | bdd5003a | pbrook | case 8: |
270 | bdd5003a | pbrook | s->pallette[n] = rgb_to_pixel8(r, g, b); |
271 | bdd5003a | pbrook | break;
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272 | bdd5003a | pbrook | case 15: |
273 | bdd5003a | pbrook | s->pallette[n] = rgb_to_pixel15(r, g, b); |
274 | bdd5003a | pbrook | break;
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275 | bdd5003a | pbrook | case 16: |
276 | bdd5003a | pbrook | s->pallette[n] = rgb_to_pixel16(r, g, b); |
277 | bdd5003a | pbrook | break;
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278 | bdd5003a | pbrook | case 24: |
279 | bdd5003a | pbrook | case 32: |
280 | bdd5003a | pbrook | s->pallette[n] = rgb_to_pixel32(r, g, b); |
281 | bdd5003a | pbrook | break;
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282 | bdd5003a | pbrook | } |
283 | bdd5003a | pbrook | n++; |
284 | bdd5003a | pbrook | } |
285 | bdd5003a | pbrook | } |
286 | bdd5003a | pbrook | |
287 | bdd5003a | pbrook | static void pl110_resize(pl110_state *s, int width, int height) |
288 | bdd5003a | pbrook | { |
289 | bdd5003a | pbrook | if (width != s->cols || height != s->rows) {
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290 | bdd5003a | pbrook | if (pl110_enabled(s)) {
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291 | 3023f332 | aliguori | qemu_console_resize(s->ds, width, height); |
292 | bdd5003a | pbrook | } |
293 | bdd5003a | pbrook | } |
294 | bdd5003a | pbrook | s->cols = width; |
295 | bdd5003a | pbrook | s->rows = height; |
296 | bdd5003a | pbrook | } |
297 | bdd5003a | pbrook | |
298 | bdd5003a | pbrook | /* Update interrupts. */
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299 | bdd5003a | pbrook | static void pl110_update(pl110_state *s) |
300 | bdd5003a | pbrook | { |
301 | bdd5003a | pbrook | /* TODO: Implement interrupts. */
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302 | bdd5003a | pbrook | } |
303 | bdd5003a | pbrook | |
304 | c227f099 | Anthony Liguori | static uint32_t pl110_read(void *opaque, target_phys_addr_t offset) |
305 | bdd5003a | pbrook | { |
306 | bdd5003a | pbrook | pl110_state *s = (pl110_state *)opaque; |
307 | bdd5003a | pbrook | |
308 | bdd5003a | pbrook | if (offset >= 0xfe0 && offset < 0x1000) { |
309 | 4fbf5556 | Peter Maydell | return idregs[s->version][(offset - 0xfe0) >> 2]; |
310 | bdd5003a | pbrook | } |
311 | bdd5003a | pbrook | if (offset >= 0x200 && offset < 0x400) { |
312 | bdd5003a | pbrook | return s->raw_pallette[(offset - 0x200) >> 2]; |
313 | bdd5003a | pbrook | } |
314 | bdd5003a | pbrook | switch (offset >> 2) { |
315 | bdd5003a | pbrook | case 0: /* LCDTiming0 */ |
316 | bdd5003a | pbrook | return s->timing[0]; |
317 | bdd5003a | pbrook | case 1: /* LCDTiming1 */ |
318 | bdd5003a | pbrook | return s->timing[1]; |
319 | bdd5003a | pbrook | case 2: /* LCDTiming2 */ |
320 | bdd5003a | pbrook | return s->timing[2]; |
321 | bdd5003a | pbrook | case 3: /* LCDTiming3 */ |
322 | bdd5003a | pbrook | return s->timing[3]; |
323 | bdd5003a | pbrook | case 4: /* LCDUPBASE */ |
324 | bdd5003a | pbrook | return s->upbase;
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325 | bdd5003a | pbrook | case 5: /* LCDLPBASE */ |
326 | bdd5003a | pbrook | return s->lpbase;
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327 | bdd5003a | pbrook | case 6: /* LCDIMSC */ |
328 | 4fbf5556 | Peter Maydell | if (s->version != PL110) {
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329 | 4fbf5556 | Peter Maydell | return s->cr;
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330 | 4fbf5556 | Peter Maydell | } |
331 | bdd5003a | pbrook | return s->int_mask;
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332 | bdd5003a | pbrook | case 7: /* LCDControl */ |
333 | 4fbf5556 | Peter Maydell | if (s->version != PL110) {
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334 | 4fbf5556 | Peter Maydell | return s->int_mask;
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335 | 4fbf5556 | Peter Maydell | } |
336 | bdd5003a | pbrook | return s->cr;
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337 | bdd5003a | pbrook | case 8: /* LCDRIS */ |
338 | bdd5003a | pbrook | return s->int_status;
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339 | bdd5003a | pbrook | case 9: /* LCDMIS */ |
340 | bdd5003a | pbrook | return s->int_status & s->int_mask;
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341 | bdd5003a | pbrook | case 11: /* LCDUPCURR */ |
342 | bdd5003a | pbrook | /* TODO: Implement vertical refresh. */
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343 | bdd5003a | pbrook | return s->upbase;
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344 | bdd5003a | pbrook | case 12: /* LCDLPCURR */ |
345 | bdd5003a | pbrook | return s->lpbase;
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346 | bdd5003a | pbrook | default:
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347 | 2ac71179 | Paul Brook | hw_error("pl110_read: Bad offset %x\n", (int)offset); |
348 | bdd5003a | pbrook | return 0; |
349 | bdd5003a | pbrook | } |
350 | bdd5003a | pbrook | } |
351 | bdd5003a | pbrook | |
352 | c227f099 | Anthony Liguori | static void pl110_write(void *opaque, target_phys_addr_t offset, |
353 | bdd5003a | pbrook | uint32_t val) |
354 | bdd5003a | pbrook | { |
355 | bdd5003a | pbrook | pl110_state *s = (pl110_state *)opaque; |
356 | bdd5003a | pbrook | int n;
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357 | bdd5003a | pbrook | |
358 | bdd5003a | pbrook | /* For simplicity invalidate the display whenever a control register
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359 | bdd5003a | pbrook | is writen to. */
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360 | bdd5003a | pbrook | s->invalidate = 1;
|
361 | bdd5003a | pbrook | if (offset >= 0x200 && offset < 0x400) { |
362 | bdd5003a | pbrook | /* Pallette. */
|
363 | bdd5003a | pbrook | n = (offset - 0x200) >> 2; |
364 | bdd5003a | pbrook | s->raw_pallette[(offset - 0x200) >> 2] = val; |
365 | bdd5003a | pbrook | pl110_update_pallette(s, n); |
366 | e10c2bfb | pbrook | return;
|
367 | bdd5003a | pbrook | } |
368 | bdd5003a | pbrook | switch (offset >> 2) { |
369 | bdd5003a | pbrook | case 0: /* LCDTiming0 */ |
370 | bdd5003a | pbrook | s->timing[0] = val;
|
371 | bdd5003a | pbrook | n = ((val & 0xfc) + 4) * 4; |
372 | bdd5003a | pbrook | pl110_resize(s, n, s->rows); |
373 | bdd5003a | pbrook | break;
|
374 | bdd5003a | pbrook | case 1: /* LCDTiming1 */ |
375 | bdd5003a | pbrook | s->timing[1] = val;
|
376 | bdd5003a | pbrook | n = (val & 0x3ff) + 1; |
377 | bdd5003a | pbrook | pl110_resize(s, s->cols, n); |
378 | bdd5003a | pbrook | break;
|
379 | bdd5003a | pbrook | case 2: /* LCDTiming2 */ |
380 | bdd5003a | pbrook | s->timing[2] = val;
|
381 | bdd5003a | pbrook | break;
|
382 | bdd5003a | pbrook | case 3: /* LCDTiming3 */ |
383 | bdd5003a | pbrook | s->timing[3] = val;
|
384 | bdd5003a | pbrook | break;
|
385 | bdd5003a | pbrook | case 4: /* LCDUPBASE */ |
386 | bdd5003a | pbrook | s->upbase = val; |
387 | bdd5003a | pbrook | break;
|
388 | bdd5003a | pbrook | case 5: /* LCDLPBASE */ |
389 | bdd5003a | pbrook | s->lpbase = val; |
390 | bdd5003a | pbrook | break;
|
391 | bdd5003a | pbrook | case 6: /* LCDIMSC */ |
392 | 4fbf5556 | Peter Maydell | if (s->version != PL110) {
|
393 | cdbdb648 | pbrook | goto control;
|
394 | 4fbf5556 | Peter Maydell | } |
395 | cdbdb648 | pbrook | imsc:
|
396 | bdd5003a | pbrook | s->int_mask = val; |
397 | bdd5003a | pbrook | pl110_update(s); |
398 | bdd5003a | pbrook | break;
|
399 | bdd5003a | pbrook | case 7: /* LCDControl */ |
400 | 4fbf5556 | Peter Maydell | if (s->version != PL110) {
|
401 | cdbdb648 | pbrook | goto imsc;
|
402 | 4fbf5556 | Peter Maydell | } |
403 | cdbdb648 | pbrook | control:
|
404 | bdd5003a | pbrook | s->cr = val; |
405 | bdd5003a | pbrook | s->bpp = (val >> 1) & 7; |
406 | bdd5003a | pbrook | if (pl110_enabled(s)) {
|
407 | 3023f332 | aliguori | qemu_console_resize(s->ds, s->cols, s->rows); |
408 | bdd5003a | pbrook | } |
409 | bdd5003a | pbrook | break;
|
410 | bdd5003a | pbrook | case 10: /* LCDICR */ |
411 | bdd5003a | pbrook | s->int_status &= ~val; |
412 | bdd5003a | pbrook | pl110_update(s); |
413 | bdd5003a | pbrook | break;
|
414 | bdd5003a | pbrook | default:
|
415 | 2ac71179 | Paul Brook | hw_error("pl110_write: Bad offset %x\n", (int)offset); |
416 | bdd5003a | pbrook | } |
417 | bdd5003a | pbrook | } |
418 | bdd5003a | pbrook | |
419 | d60efc6b | Blue Swirl | static CPUReadMemoryFunc * const pl110_readfn[] = { |
420 | bdd5003a | pbrook | pl110_read, |
421 | bdd5003a | pbrook | pl110_read, |
422 | bdd5003a | pbrook | pl110_read |
423 | bdd5003a | pbrook | }; |
424 | bdd5003a | pbrook | |
425 | d60efc6b | Blue Swirl | static CPUWriteMemoryFunc * const pl110_writefn[] = { |
426 | bdd5003a | pbrook | pl110_write, |
427 | bdd5003a | pbrook | pl110_write, |
428 | bdd5003a | pbrook | pl110_write |
429 | bdd5003a | pbrook | }; |
430 | bdd5003a | pbrook | |
431 | 242ea2c6 | Peter Maydell | static void pl110_mux_ctrl_set(void *opaque, int line, int level) |
432 | 242ea2c6 | Peter Maydell | { |
433 | 242ea2c6 | Peter Maydell | pl110_state *s = (pl110_state *)opaque; |
434 | 242ea2c6 | Peter Maydell | s->mux_ctrl = level; |
435 | 242ea2c6 | Peter Maydell | } |
436 | 242ea2c6 | Peter Maydell | |
437 | 81a322d4 | Gerd Hoffmann | static int pl110_init(SysBusDevice *dev) |
438 | bdd5003a | pbrook | { |
439 | 2e9bdce5 | Paul Brook | pl110_state *s = FROM_SYSBUS(pl110_state, dev); |
440 | bdd5003a | pbrook | int iomemtype;
|
441 | bdd5003a | pbrook | |
442 | 1eed09cb | Avi Kivity | iomemtype = cpu_register_io_memory(pl110_readfn, |
443 | 2507c12a | Alexander Graf | pl110_writefn, s, |
444 | 2507c12a | Alexander Graf | DEVICE_NATIVE_ENDIAN); |
445 | 2e9bdce5 | Paul Brook | sysbus_init_mmio(dev, 0x1000, iomemtype);
|
446 | 2e9bdce5 | Paul Brook | sysbus_init_irq(dev, &s->irq); |
447 | 242ea2c6 | Peter Maydell | qdev_init_gpio_in(&s->busdev.qdev, pl110_mux_ctrl_set, 1);
|
448 | 3023f332 | aliguori | s->ds = graphic_console_init(pl110_update_display, |
449 | 3023f332 | aliguori | pl110_invalidate_display, |
450 | 3023f332 | aliguori | NULL, NULL, s); |
451 | 81a322d4 | Gerd Hoffmann | return 0; |
452 | bdd5003a | pbrook | } |
453 | 2e9bdce5 | Paul Brook | |
454 | 81a322d4 | Gerd Hoffmann | static int pl110_versatile_init(SysBusDevice *dev) |
455 | 2e9bdce5 | Paul Brook | { |
456 | 2e9bdce5 | Paul Brook | pl110_state *s = FROM_SYSBUS(pl110_state, dev); |
457 | 4fbf5556 | Peter Maydell | s->version = PL110_VERSATILE; |
458 | 4fbf5556 | Peter Maydell | return pl110_init(dev);
|
459 | 4fbf5556 | Peter Maydell | } |
460 | 4fbf5556 | Peter Maydell | |
461 | 4fbf5556 | Peter Maydell | static int pl111_init(SysBusDevice *dev) |
462 | 4fbf5556 | Peter Maydell | { |
463 | 4fbf5556 | Peter Maydell | pl110_state *s = FROM_SYSBUS(pl110_state, dev); |
464 | 4fbf5556 | Peter Maydell | s->version = PL111; |
465 | 81a322d4 | Gerd Hoffmann | return pl110_init(dev);
|
466 | 2e9bdce5 | Paul Brook | } |
467 | 2e9bdce5 | Paul Brook | |
468 | 8c60d065 | Peter Maydell | static SysBusDeviceInfo pl110_info = {
|
469 | 8c60d065 | Peter Maydell | .init = pl110_init, |
470 | 8c60d065 | Peter Maydell | .qdev.name = "pl110",
|
471 | 8c60d065 | Peter Maydell | .qdev.size = sizeof(pl110_state),
|
472 | 8c60d065 | Peter Maydell | .qdev.vmsd = &vmstate_pl110, |
473 | 8c60d065 | Peter Maydell | .qdev.no_user = 1,
|
474 | 8c60d065 | Peter Maydell | }; |
475 | 8c60d065 | Peter Maydell | |
476 | 8c60d065 | Peter Maydell | static SysBusDeviceInfo pl110_versatile_info = {
|
477 | 8c60d065 | Peter Maydell | .init = pl110_versatile_init, |
478 | 8c60d065 | Peter Maydell | .qdev.name = "pl110_versatile",
|
479 | 8c60d065 | Peter Maydell | .qdev.size = sizeof(pl110_state),
|
480 | 8c60d065 | Peter Maydell | .qdev.vmsd = &vmstate_pl110, |
481 | 8c60d065 | Peter Maydell | .qdev.no_user = 1,
|
482 | 8c60d065 | Peter Maydell | }; |
483 | 8c60d065 | Peter Maydell | |
484 | 4fbf5556 | Peter Maydell | static SysBusDeviceInfo pl111_info = {
|
485 | 4fbf5556 | Peter Maydell | .init = pl111_init, |
486 | 4fbf5556 | Peter Maydell | .qdev.name = "pl111",
|
487 | 4fbf5556 | Peter Maydell | .qdev.size = sizeof(pl110_state),
|
488 | 4fbf5556 | Peter Maydell | .qdev.vmsd = &vmstate_pl110, |
489 | 4fbf5556 | Peter Maydell | .qdev.no_user = 1,
|
490 | 4fbf5556 | Peter Maydell | }; |
491 | 4fbf5556 | Peter Maydell | |
492 | 2e9bdce5 | Paul Brook | static void pl110_register_devices(void) |
493 | 2e9bdce5 | Paul Brook | { |
494 | 8c60d065 | Peter Maydell | sysbus_register_withprop(&pl110_info); |
495 | 8c60d065 | Peter Maydell | sysbus_register_withprop(&pl110_versatile_info); |
496 | 4fbf5556 | Peter Maydell | sysbus_register_withprop(&pl111_info); |
497 | 2e9bdce5 | Paul Brook | } |
498 | 2e9bdce5 | Paul Brook | |
499 | 2e9bdce5 | Paul Brook | device_init(pl110_register_devices) |