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target/arm: Convert Neon 2-reg-misc VCVT insns to decodetree
[qemu/ar7.git] / hw / display / exynos4210_fimd.c
blob4b7286b7c94827b163b8282baee46e79f90755b5
1 /*
2 * Samsung exynos4210 Display Controller (FIMD)
3 *
4 * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd.
5 * All rights reserved.
6 * Based on LCD controller for Samsung S5PC1xx-based board emulation
7 * by Kirill Batuzov <batuzovk@ispras.ru>
8 *
9 * Contributed by Mitsyanko Igor <i.mitsyanko@samsung.com>
10 *
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the
13 * Free Software Foundation; either version 2 of the License, or (at your
14 * option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
19 * See the GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License along
22 * with this program; if not, see <http://www.gnu.org/licenses/>.
23 */
24
25 #include "qemu/osdep.h"
26 #include "hw/hw.h"
27 #include "hw/irq.h"
28 #include "hw/sysbus.h"
29 #include "migration/vmstate.h"
30 #include "ui/console.h"
31 #include "ui/pixel_ops.h"
32 #include "qemu/bswap.h"
33 #include "qemu/module.h"
34 #include "qemu/log.h"
35
36 /* Debug messages configuration */
37 #define EXYNOS4210_FIMD_DEBUG 0
38 #define EXYNOS4210_FIMD_MODE_TRACE 0
39
40 #if EXYNOS4210_FIMD_DEBUG == 0
41 #define DPRINT_L1(fmt, args...) do { } while (0)
42 #define DPRINT_L2(fmt, args...) do { } while (0)
43 #elif EXYNOS4210_FIMD_DEBUG == 1
44 #define DPRINT_L1(fmt, args...) \
45 do {fprintf(stderr, "QEMU FIMD: "fmt, ## args); } while (0)
46 #define DPRINT_L2(fmt, args...) do { } while (0)
47 #else
48 #define DPRINT_L1(fmt, args...) \
49 do {fprintf(stderr, "QEMU FIMD: "fmt, ## args); } while (0)
50 #define DPRINT_L2(fmt, args...) \
51 do {fprintf(stderr, "QEMU FIMD: "fmt, ## args); } while (0)
52 #endif
53
54 #if EXYNOS4210_FIMD_MODE_TRACE == 0
55 #define DPRINT_TRACE(fmt, args...) do { } while (0)
56 #else
57 #define DPRINT_TRACE(fmt, args...) \
58 do {fprintf(stderr, "QEMU FIMD: "fmt, ## args); } while (0)
59 #endif
60
61 #define NUM_OF_WINDOWS 5
62 #define FIMD_REGS_SIZE 0x4114
63
64 /* Video main control registers */
65 #define FIMD_VIDCON0 0x0000
66 #define FIMD_VIDCON1 0x0004
67 #define FIMD_VIDCON2 0x0008
68 #define FIMD_VIDCON3 0x000C
69 #define FIMD_VIDCON0_ENVID_F (1 << 0)
70 #define FIMD_VIDCON0_ENVID (1 << 1)
71 #define FIMD_VIDCON0_ENVID_MASK ((1 << 0) | (1 << 1))
72 #define FIMD_VIDCON1_ROMASK 0x07FFE000
73
74 /* Video time control registers */
75 #define FIMD_VIDTCON_START 0x10
76 #define FIMD_VIDTCON_END 0x1C
77 #define FIMD_VIDTCON2_SIZE_MASK 0x07FF
78 #define FIMD_VIDTCON2_HOR_SHIFT 0
79 #define FIMD_VIDTCON2_VER_SHIFT 11
80
81 /* Window control registers */
82 #define FIMD_WINCON_START 0x0020
83 #define FIMD_WINCON_END 0x0030
84 #define FIMD_WINCON_ROMASK 0x82200000
85 #define FIMD_WINCON_ENWIN (1 << 0)
86 #define FIMD_WINCON_BLD_PIX (1 << 6)
87 #define FIMD_WINCON_ALPHA_MUL (1 << 7)
88 #define FIMD_WINCON_ALPHA_SEL (1 << 1)
89 #define FIMD_WINCON_SWAP 0x078000
90 #define FIMD_WINCON_SWAP_SHIFT 15
91 #define FIMD_WINCON_SWAP_WORD 0x1
92 #define FIMD_WINCON_SWAP_HWORD 0x2
93 #define FIMD_WINCON_SWAP_BYTE 0x4
94 #define FIMD_WINCON_SWAP_BITS 0x8
95 #define FIMD_WINCON_BUFSTAT_L (1 << 21)
96 #define FIMD_WINCON_BUFSTAT_H (1 << 31)
97 #define FIMD_WINCON_BUFSTATUS ((1 << 21) | (1 << 31))
98 #define FIMD_WINCON_BUF0_STAT ((0 << 21) | (0 << 31))
99 #define FIMD_WINCON_BUF1_STAT ((1 << 21) | (0 << 31))
100 #define FIMD_WINCON_BUF2_STAT ((0 << 21) | (1U << 31))
101 #define FIMD_WINCON_BUFSELECT ((1 << 20) | (1 << 30))
102 #define FIMD_WINCON_BUF0_SEL ((0 << 20) | (0 << 30))
103 #define FIMD_WINCON_BUF1_SEL ((1 << 20) | (0 << 30))
104 #define FIMD_WINCON_BUF2_SEL ((0 << 20) | (1 << 30))
105 #define FIMD_WINCON_BUFMODE (1 << 14)
106 #define IS_PALETTIZED_MODE(w) (w->wincon & 0xC)
107 #define PAL_MODE_WITH_ALPHA(x) ((x) == 7)
108 #define WIN_BPP_MODE(w) ((w->wincon >> 2) & 0xF)
109 #define WIN_BPP_MODE_WITH_ALPHA(w) \
110 (WIN_BPP_MODE(w) == 0xD || WIN_BPP_MODE(w) == 0xE)
111
112 /* Shadow control register */
113 #define FIMD_SHADOWCON 0x0034
114 #define FIMD_WINDOW_PROTECTED(s, w) ((s) & (1 << (10 + (w))))
115 /* Channel mapping control register */
116 #define FIMD_WINCHMAP 0x003C
117
118 /* Window position control registers */
119 #define FIMD_VIDOSD_START 0x0040
120 #define FIMD_VIDOSD_END 0x0088
121 #define FIMD_VIDOSD_COORD_MASK 0x07FF
122 #define FIMD_VIDOSD_HOR_SHIFT 11
123 #define FIMD_VIDOSD_VER_SHIFT 0
124 #define FIMD_VIDOSD_ALPHA_AEN0 0xFFF000
125 #define FIMD_VIDOSD_AEN0_SHIFT 12
126 #define FIMD_VIDOSD_ALPHA_AEN1 0x000FFF
127
128 /* Frame buffer address registers */
129 #define FIMD_VIDWADD0_START 0x00A0
130 #define FIMD_VIDWADD0_END 0x00C4
131 #define FIMD_VIDWADD0_END 0x00C4
132 #define FIMD_VIDWADD1_START 0x00D0
133 #define FIMD_VIDWADD1_END 0x00F4
134 #define FIMD_VIDWADD2_START 0x0100
135 #define FIMD_VIDWADD2_END 0x0110
136 #define FIMD_VIDWADD2_PAGEWIDTH 0x1FFF
137 #define FIMD_VIDWADD2_OFFSIZE 0x1FFF
138 #define FIMD_VIDWADD2_OFFSIZE_SHIFT 13
139 #define FIMD_VIDW0ADD0_B2 0x20A0
140 #define FIMD_VIDW4ADD0_B2 0x20C0
141
142 /* Video interrupt control registers */
143 #define FIMD_VIDINTCON0 0x130
144 #define FIMD_VIDINTCON1 0x134
145
146 /* Window color key registers */
147 #define FIMD_WKEYCON_START 0x140
148 #define FIMD_WKEYCON_END 0x15C
149 #define FIMD_WKEYCON0_COMPKEY 0x00FFFFFF
150 #define FIMD_WKEYCON0_CTL_SHIFT 24
151 #define FIMD_WKEYCON0_DIRCON (1 << 24)
152 #define FIMD_WKEYCON0_KEYEN (1 << 25)
153 #define FIMD_WKEYCON0_KEYBLEN (1 << 26)
154 /* Window color key alpha control register */
155 #define FIMD_WKEYALPHA_START 0x160
156 #define FIMD_WKEYALPHA_END 0x16C
157
158 /* Dithering control register */
159 #define FIMD_DITHMODE 0x170
160
161 /* Window alpha control registers */
162 #define FIMD_VIDALPHA_ALPHA_LOWER 0x000F0F0F
163 #define FIMD_VIDALPHA_ALPHA_UPPER 0x00F0F0F0
164 #define FIMD_VIDWALPHA_START 0x21C
165 #define FIMD_VIDWALPHA_END 0x240
166
167 /* Window color map registers */
168 #define FIMD_WINMAP_START 0x180
169 #define FIMD_WINMAP_END 0x190
170 #define FIMD_WINMAP_EN (1 << 24)
171 #define FIMD_WINMAP_COLOR_MASK 0x00FFFFFF
172
173 /* Window palette control registers */
174 #define FIMD_WPALCON_HIGH 0x019C
175 #define FIMD_WPALCON_LOW 0x01A0
176 #define FIMD_WPALCON_UPDATEEN (1 << 9)
177 #define FIMD_WPAL_W0PAL_L 0x07
178 #define FIMD_WPAL_W0PAL_L_SHT 0
179 #define FIMD_WPAL_W1PAL_L 0x07
180 #define FIMD_WPAL_W1PAL_L_SHT 3
181 #define FIMD_WPAL_W2PAL_L 0x01
182 #define FIMD_WPAL_W2PAL_L_SHT 6
183 #define FIMD_WPAL_W2PAL_H 0x06
184 #define FIMD_WPAL_W2PAL_H_SHT 8
185 #define FIMD_WPAL_W3PAL_L 0x01
186 #define FIMD_WPAL_W3PAL_L_SHT 7
187 #define FIMD_WPAL_W3PAL_H 0x06
188 #define FIMD_WPAL_W3PAL_H_SHT 12
189 #define FIMD_WPAL_W4PAL_L 0x01
190 #define FIMD_WPAL_W4PAL_L_SHT 8
191 #define FIMD_WPAL_W4PAL_H 0x06
192 #define FIMD_WPAL_W4PAL_H_SHT 16
193
194 /* Trigger control registers */
195 #define FIMD_TRIGCON 0x01A4
196 #define FIMD_TRIGCON_ROMASK 0x00000004
197
198 /* LCD I80 Interface Control */
199 #define FIMD_I80IFCON_START 0x01B0
200 #define FIMD_I80IFCON_END 0x01BC
201 /* Color gain control register */
202 #define FIMD_COLORGAINCON 0x01C0
203 /* LCD i80 Interface Command Control */
204 #define FIMD_LDI_CMDCON0 0x01D0
205 #define FIMD_LDI_CMDCON1 0x01D4
206 /* I80 System Interface Manual Command Control */
207 #define FIMD_SIFCCON0 0x01E0
208 #define FIMD_SIFCCON2 0x01E8
209
210 /* Hue Control Registers */
211 #define FIMD_HUECOEFCR_START 0x01EC
212 #define FIMD_HUECOEFCR_END 0x01F4
213 #define FIMD_HUECOEFCB_START 0x01FC
214 #define FIMD_HUECOEFCB_END 0x0208
215 #define FIMD_HUEOFFSET 0x020C
216
217 /* Video interrupt control registers */
218 #define FIMD_VIDINT_INTFIFOPEND (1 << 0)
219 #define FIMD_VIDINT_INTFRMPEND (1 << 1)
220 #define FIMD_VIDINT_INTI80PEND (1 << 2)
221 #define FIMD_VIDINT_INTEN (1 << 0)
222 #define FIMD_VIDINT_INTFIFOEN (1 << 1)
223 #define FIMD_VIDINT_INTFRMEN (1 << 12)
224 #define FIMD_VIDINT_I80IFDONE (1 << 17)
225
226 /* Window blend equation control registers */
227 #define FIMD_BLENDEQ_START 0x0244
228 #define FIMD_BLENDEQ_END 0x0250
229 #define FIMD_BLENDCON 0x0260
230 #define FIMD_ALPHA_8BIT (1 << 0)
231 #define FIMD_BLENDEQ_COEF_MASK 0xF
232
233 /* Window RTQOS Control Registers */
234 #define FIMD_WRTQOSCON_START 0x0264
235 #define FIMD_WRTQOSCON_END 0x0274
236
237 /* LCD I80 Interface Command */
238 #define FIMD_I80IFCMD_START 0x0280
239 #define FIMD_I80IFCMD_END 0x02AC
240
241 /* Shadow windows control registers */
242 #define FIMD_SHD_ADD0_START 0x40A0
243 #define FIMD_SHD_ADD0_END 0x40C0
244 #define FIMD_SHD_ADD1_START 0x40D0
245 #define FIMD_SHD_ADD1_END 0x40F0
246 #define FIMD_SHD_ADD2_START 0x4100
247 #define FIMD_SHD_ADD2_END 0x4110
248
249 /* Palette memory */
250 #define FIMD_PAL_MEM_START 0x2400
251 #define FIMD_PAL_MEM_END 0x37FC
252 /* Palette memory aliases for windows 0 and 1 */
253 #define FIMD_PALMEM_AL_START 0x0400
254 #define FIMD_PALMEM_AL_END 0x0BFC
255
256 typedef struct {
257 uint8_t r, g, b;
258 /* D[31..24]dummy, D[23..16]rAlpha, D[15..8]gAlpha, D[7..0]bAlpha */
259 uint32_t a;
260 } rgba;
261 #define RGBA_SIZE 7
262
263 typedef void pixel_to_rgb_func(uint32_t pixel, rgba *p);
264 typedef struct Exynos4210fimdWindow Exynos4210fimdWindow;
265
266 struct Exynos4210fimdWindow {
267 uint32_t wincon; /* Window control register */
268 uint32_t buf_start[3]; /* Start address for video frame buffer */
269 uint32_t buf_end[3]; /* End address for video frame buffer */
270 uint32_t keycon[2]; /* Window color key registers */
271 uint32_t keyalpha; /* Color key alpha control register */
272 uint32_t winmap; /* Window color map register */
273 uint32_t blendeq; /* Window blending equation control register */
274 uint32_t rtqoscon; /* Window RTQOS Control Registers */
275 uint32_t palette[256]; /* Palette RAM */
276 uint32_t shadow_buf_start; /* Start address of shadow frame buffer */
277 uint32_t shadow_buf_end; /* End address of shadow frame buffer */
278 uint32_t shadow_buf_size; /* Virtual shadow screen width */
279
280 pixel_to_rgb_func *pixel_to_rgb;
281 void (*draw_line)(Exynos4210fimdWindow *w, uint8_t *src, uint8_t *dst,
282 bool blend);
283 uint32_t (*get_alpha)(Exynos4210fimdWindow *w, uint32_t pix_a);
284 uint16_t lefttop_x, lefttop_y; /* VIDOSD0 register */
285 uint16_t rightbot_x, rightbot_y; /* VIDOSD1 register */
286 uint32_t osdsize; /* VIDOSD2&3 register */
287 uint32_t alpha_val[2]; /* VIDOSD2&3, VIDWALPHA registers */
288 uint16_t virtpage_width; /* VIDWADD2 register */
289 uint16_t virtpage_offsize; /* VIDWADD2 register */
290 MemoryRegionSection mem_section; /* RAM fragment containing framebuffer */
291 uint8_t *host_fb_addr; /* Host pointer to window's framebuffer */
292 hwaddr fb_len; /* Framebuffer length */
293 };
294
295 #define TYPE_EXYNOS4210_FIMD "exynos4210.fimd"
296 #define EXYNOS4210_FIMD(obj) \
297 OBJECT_CHECK(Exynos4210fimdState, (obj), TYPE_EXYNOS4210_FIMD)
298
299 typedef struct {
300 SysBusDevice parent_obj;
301
302 MemoryRegion iomem;
303 QemuConsole *console;
304 qemu_irq irq[3];
305
306 uint32_t vidcon[4]; /* Video main control registers 0-3 */
307 uint32_t vidtcon[4]; /* Video time control registers 0-3 */
308 uint32_t shadowcon; /* Window shadow control register */
309 uint32_t winchmap; /* Channel mapping control register */
310 uint32_t vidintcon[2]; /* Video interrupt control registers */
311 uint32_t dithmode; /* Dithering control register */
312 uint32_t wpalcon[2]; /* Window palette control registers */
313 uint32_t trigcon; /* Trigger control register */
314 uint32_t i80ifcon[4]; /* I80 interface control registers */
315 uint32_t colorgaincon; /* Color gain control register */
316 uint32_t ldi_cmdcon[2]; /* LCD I80 interface command control */
317 uint32_t sifccon[3]; /* I80 System Interface Manual Command Control */
318 uint32_t huecoef_cr[4]; /* Hue control registers */
319 uint32_t huecoef_cb[4]; /* Hue control registers */
320 uint32_t hueoffset; /* Hue offset control register */
321 uint32_t blendcon; /* Blending control register */
322 uint32_t i80ifcmd[12]; /* LCD I80 Interface Command */
323
324 Exynos4210fimdWindow window[5]; /* Window-specific registers */
325 uint8_t *ifb; /* Internal frame buffer */
326 bool invalidate; /* Image needs to be redrawn */
327 bool enabled; /* Display controller is enabled */
328 } Exynos4210fimdState;
329
330 /* Perform byte/halfword/word swap of data according to WINCON */
331 static inline void fimd_swap_data(unsigned int swap_ctl, uint64_t *data)
332 {
333 int i;
334 uint64_t res;
335 uint64_t x = *data;
336
337 if (swap_ctl & FIMD_WINCON_SWAP_BITS) {
338 res = 0;
339 for (i = 0; i < 64; i++) {
340 if (x & (1ULL << (63 - i))) {
341 res |= (1ULL << i);
342 }
343 }
344 x = res;
345 }
346
347 if (swap_ctl & FIMD_WINCON_SWAP_BYTE) {
348 x = bswap64(x);
349 }
350
351 if (swap_ctl & FIMD_WINCON_SWAP_HWORD) {
352 x = ((x & 0x000000000000FFFFULL) << 48) |
353 ((x & 0x00000000FFFF0000ULL) << 16) |
354 ((x & 0x0000FFFF00000000ULL) >> 16) |
355 ((x & 0xFFFF000000000000ULL) >> 48);
356 }
357
358 if (swap_ctl & FIMD_WINCON_SWAP_WORD) {
359 x = ((x & 0x00000000FFFFFFFFULL) << 32) |
360 ((x & 0xFFFFFFFF00000000ULL) >> 32);
361 }
362
363 *data = x;
364 }
365
366 /* Conversion routines of Pixel data from frame buffer area to internal RGBA
367 * pixel representation.
368 * Every color component internally represented as 8-bit value. If original
369 * data has less than 8 bit for component, data is extended to 8 bit. For
370 * example, if blue component has only two possible values 0 and 1 it will be
371 * extended to 0 and 0xFF */
372
373 /* One bit for alpha representation */
374 #define DEF_PIXEL_TO_RGB_A1(N, R, G, B) \
375 static void N(uint32_t pixel, rgba *p) \
376 { \
377 p->b = ((pixel & ((1 << (B)) - 1)) << (8 - (B))) | \
378 ((pixel >> (2 * (B) - 8)) & ((1 << (8 - (B))) - 1)); \
379 pixel >>= (B); \
380 p->g = (pixel & ((1 << (G)) - 1)) << (8 - (G)) | \
381 ((pixel >> (2 * (G) - 8)) & ((1 << (8 - (G))) - 1)); \
382 pixel >>= (G); \
383 p->r = (pixel & ((1 << (R)) - 1)) << (8 - (R)) | \
384 ((pixel >> (2 * (R) - 8)) & ((1 << (8 - (R))) - 1)); \
385 pixel >>= (R); \
386 p->a = (pixel & 0x1); \
387 }
388
389 DEF_PIXEL_TO_RGB_A1(pixel_a444_to_rgb, 4, 4, 4)
390 DEF_PIXEL_TO_RGB_A1(pixel_a555_to_rgb, 5, 5, 5)
391 DEF_PIXEL_TO_RGB_A1(pixel_a666_to_rgb, 6, 6, 6)
392 DEF_PIXEL_TO_RGB_A1(pixel_a665_to_rgb, 6, 6, 5)
393 DEF_PIXEL_TO_RGB_A1(pixel_a888_to_rgb, 8, 8, 8)
394 DEF_PIXEL_TO_RGB_A1(pixel_a887_to_rgb, 8, 8, 7)
395
396 /* Alpha component is always zero */
397 #define DEF_PIXEL_TO_RGB_A0(N, R, G, B) \
398 static void N(uint32_t pixel, rgba *p) \
399 { \
400 p->b = ((pixel & ((1 << (B)) - 1)) << (8 - (B))) | \
401 ((pixel >> (2 * (B) - 8)) & ((1 << (8 - (B))) - 1)); \
402 pixel >>= (B); \
403 p->g = (pixel & ((1 << (G)) - 1)) << (8 - (G)) | \
404 ((pixel >> (2 * (G) - 8)) & ((1 << (8 - (G))) - 1)); \
405 pixel >>= (G); \
406 p->r = (pixel & ((1 << (R)) - 1)) << (8 - (R)) | \
407 ((pixel >> (2 * (R) - 8)) & ((1 << (8 - (R))) - 1)); \
408 p->a = 0x0; \
409 }
410
411 DEF_PIXEL_TO_RGB_A0(pixel_565_to_rgb, 5, 6, 5)
412 DEF_PIXEL_TO_RGB_A0(pixel_555_to_rgb, 5, 5, 5)
413 DEF_PIXEL_TO_RGB_A0(pixel_666_to_rgb, 6, 6, 6)
414 DEF_PIXEL_TO_RGB_A0(pixel_888_to_rgb, 8, 8, 8)
415
416 /* Alpha component has some meaningful value */
417 #define DEF_PIXEL_TO_RGB_A(N, R, G, B, A) \
418 static void N(uint32_t pixel, rgba *p) \
419 { \
420 p->b = ((pixel & ((1 << (B)) - 1)) << (8 - (B))) | \
421 ((pixel >> (2 * (B) - 8)) & ((1 << (8 - (B))) - 1)); \
422 pixel >>= (B); \
423 p->g = (pixel & ((1 << (G)) - 1)) << (8 - (G)) | \
424 ((pixel >> (2 * (G) - 8)) & ((1 << (8 - (G))) - 1)); \
425 pixel >>= (G); \
426 p->r = (pixel & ((1 << (R)) - 1)) << (8 - (R)) | \
427 ((pixel >> (2 * (R) - 8)) & ((1 << (8 - (R))) - 1)); \
428 pixel >>= (R); \
429 p->a = (pixel & ((1 << (A)) - 1)) << (8 - (A)) | \
430 ((pixel >> (2 * (A) - 8)) & ((1 << (8 - (A))) - 1)); \
431 p->a = p->a | (p->a << 8) | (p->a << 16); \
432 }
433
434 DEF_PIXEL_TO_RGB_A(pixel_4444_to_rgb, 4, 4, 4, 4)
435 DEF_PIXEL_TO_RGB_A(pixel_8888_to_rgb, 8, 8, 8, 8)
436
437 /* Lookup table to extent 2-bit color component to 8 bit */
438 static const uint8_t pixel_lutable_2b[4] = {
439 0x0, 0x55, 0xAA, 0xFF
440 };
441 /* Lookup table to extent 3-bit color component to 8 bit */
442 static const uint8_t pixel_lutable_3b[8] = {
443 0x0, 0x24, 0x49, 0x6D, 0x92, 0xB6, 0xDB, 0xFF
444 };
445 /* Special case for a232 bpp mode */
446 static void pixel_a232_to_rgb(uint32_t pixel, rgba *p)
447 {
448 p->b = pixel_lutable_2b[(pixel & 0x3)];
449 pixel >>= 2;
450 p->g = pixel_lutable_3b[(pixel & 0x7)];
451 pixel >>= 3;
452 p->r = pixel_lutable_2b[(pixel & 0x3)];
453 pixel >>= 2;
454 p->a = (pixel & 0x1);
455 }
456
457 /* Special case for (5+1, 5+1, 5+1) mode. Data bit 15 is common LSB
458 * for all three color components */
459 static void pixel_1555_to_rgb(uint32_t pixel, rgba *p)
460 {
461 uint8_t comm = (pixel >> 15) & 1;
462 p->b = ((((pixel & 0x1F) << 1) | comm) << 2) | ((pixel >> 3) & 0x3);
463 pixel >>= 5;
464 p->g = ((((pixel & 0x1F) << 1) | comm) << 2) | ((pixel >> 3) & 0x3);
465 pixel >>= 5;
466 p->r = ((((pixel & 0x1F) << 1) | comm) << 2) | ((pixel >> 3) & 0x3);
467 p->a = 0x0;
468 }
469
470 /* Put/get pixel to/from internal LCD Controller framebuffer */
471
472 static int put_pixel_ifb(const rgba p, uint8_t *d)
473 {
474 *(uint8_t *)d++ = p.r;
475 *(uint8_t *)d++ = p.g;
476 *(uint8_t *)d++ = p.b;
477 *(uint32_t *)d = p.a;
478 return RGBA_SIZE;
479 }
480
481 static int get_pixel_ifb(const uint8_t *s, rgba *p)
482 {
483 p->r = *(uint8_t *)s++;
484 p->g = *(uint8_t *)s++;
485 p->b = *(uint8_t *)s++;
486 p->a = (*(uint32_t *)s) & 0x00FFFFFF;
487 return RGBA_SIZE;
488 }
489
490 static pixel_to_rgb_func *palette_data_format[8] = {
491 [0] = pixel_565_to_rgb,
492 [1] = pixel_a555_to_rgb,
493 [2] = pixel_666_to_rgb,
494 [3] = pixel_a665_to_rgb,
495 [4] = pixel_a666_to_rgb,
496 [5] = pixel_888_to_rgb,
497 [6] = pixel_a888_to_rgb,
498 [7] = pixel_8888_to_rgb
499 };
500
501 /* Returns Index in palette data formats table for given window number WINDOW */
502 static uint32_t
503 exynos4210_fimd_palette_format(Exynos4210fimdState *s, int window)
504 {
505 uint32_t ret;
506
507 switch (window) {
508 case 0:
509 ret = (s->wpalcon[1] >> FIMD_WPAL_W0PAL_L_SHT) & FIMD_WPAL_W0PAL_L;
510 if (ret != 7) {
511 ret = 6 - ret;
512 }
513 break;
514 case 1:
515 ret = (s->wpalcon[1] >> FIMD_WPAL_W1PAL_L_SHT) & FIMD_WPAL_W1PAL_L;
516 if (ret != 7) {
517 ret = 6 - ret;
518 }
519 break;
520 case 2:
521 ret = ((s->wpalcon[0] >> FIMD_WPAL_W2PAL_H_SHT) & FIMD_WPAL_W2PAL_H) |
522 ((s->wpalcon[1] >> FIMD_WPAL_W2PAL_L_SHT) & FIMD_WPAL_W2PAL_L);
523 break;
524 case 3:
525 ret = ((s->wpalcon[0] >> FIMD_WPAL_W3PAL_H_SHT) & FIMD_WPAL_W3PAL_H) |
526 ((s->wpalcon[1] >> FIMD_WPAL_W3PAL_L_SHT) & FIMD_WPAL_W3PAL_L);
527 break;
528 case 4:
529 ret = ((s->wpalcon[0] >> FIMD_WPAL_W4PAL_H_SHT) & FIMD_WPAL_W4PAL_H) |
530 ((s->wpalcon[1] >> FIMD_WPAL_W4PAL_L_SHT) & FIMD_WPAL_W4PAL_L);
531 break;
532 default:
533 hw_error("exynos4210.fimd: incorrect window number %d\n", window);
534 ret = 0;
535 break;
536 }
537 return ret;
538 }
539
540 #define FIMD_1_MINUS_COLOR(x) \
541 ((0xFF - ((x) & 0xFF)) | (0xFF00 - ((x) & 0xFF00)) | \
542 (0xFF0000 - ((x) & 0xFF0000)))
543 #define EXTEND_LOWER_HALFBYTE(x) (((x) & 0xF0F0F) | (((x) << 4) & 0xF0F0F0))
544 #define EXTEND_UPPER_HALFBYTE(x) (((x) & 0xF0F0F0) | (((x) >> 4) & 0xF0F0F))
545
546 /* Multiply three lower bytes of two 32-bit words with each other.
547 * Each byte with values 0-255 is considered as a number with possible values
548 * in a range [0 - 1] */
549 static inline uint32_t fimd_mult_each_byte(uint32_t a, uint32_t b)
550 {
551 uint32_t tmp;
552 uint32_t ret;
553
554 ret = ((tmp = (((a & 0xFF) * (b & 0xFF)) / 0xFF)) > 0xFF) ? 0xFF : tmp;
555 ret |= ((tmp = ((((a >> 8) & 0xFF) * ((b >> 8) & 0xFF)) / 0xFF)) > 0xFF) ?
556 0xFF00 : tmp << 8;
557 ret |= ((tmp = ((((a >> 16) & 0xFF) * ((b >> 16) & 0xFF)) / 0xFF)) > 0xFF) ?
558 0xFF0000 : tmp << 16;
559 return ret;
560 }
561
562 /* For each corresponding bytes of two 32-bit words: (a*b + c*d)
563 * Byte values 0-255 are mapped to a range [0 .. 1] */
564 static inline uint32_t
565 fimd_mult_and_sum_each_byte(uint32_t a, uint32_t b, uint32_t c, uint32_t d)
566 {
567 uint32_t tmp;
568 uint32_t ret;
569
570 ret = ((tmp = (((a & 0xFF) * (b & 0xFF) + (c & 0xFF) * (d & 0xFF)) / 0xFF))
571 > 0xFF) ? 0xFF : tmp;
572 ret |= ((tmp = ((((a >> 8) & 0xFF) * ((b >> 8) & 0xFF) + ((c >> 8) & 0xFF) *
573 ((d >> 8) & 0xFF)) / 0xFF)) > 0xFF) ? 0xFF00 : tmp << 8;
574 ret |= ((tmp = ((((a >> 16) & 0xFF) * ((b >> 16) & 0xFF) +
575 ((c >> 16) & 0xFF) * ((d >> 16) & 0xFF)) / 0xFF)) > 0xFF) ?
576 0xFF0000 : tmp << 16;
577 return ret;
578 }
579
580 /* These routines cover all possible sources of window's transparent factor
581 * used in blending equation. Choice of routine is affected by WPALCON
582 * registers, BLENDCON register and window's WINCON register */
583
584 static uint32_t fimd_get_alpha_pix(Exynos4210fimdWindow *w, uint32_t pix_a)
585 {
586 return pix_a;
587 }
588
589 static uint32_t
590 fimd_get_alpha_pix_extlow(Exynos4210fimdWindow *w, uint32_t pix_a)
591 {
592 return EXTEND_LOWER_HALFBYTE(pix_a);
593 }
594
595 static uint32_t
596 fimd_get_alpha_pix_exthigh(Exynos4210fimdWindow *w, uint32_t pix_a)
597 {
598 return EXTEND_UPPER_HALFBYTE(pix_a);
599 }
600
601 static uint32_t fimd_get_alpha_mult(Exynos4210fimdWindow *w, uint32_t pix_a)
602 {
603 return fimd_mult_each_byte(pix_a, w->alpha_val[0]);
604 }
605
606 static uint32_t fimd_get_alpha_mult_ext(Exynos4210fimdWindow *w, uint32_t pix_a)
607 {
608 return fimd_mult_each_byte(EXTEND_LOWER_HALFBYTE(pix_a),
609 EXTEND_UPPER_HALFBYTE(w->alpha_val[0]));
610 }
611
612 static uint32_t fimd_get_alpha_aen(Exynos4210fimdWindow *w, uint32_t pix_a)
613 {
614 return w->alpha_val[pix_a];
615 }
616
617 static uint32_t fimd_get_alpha_aen_ext(Exynos4210fimdWindow *w, uint32_t pix_a)
618 {
619 return EXTEND_UPPER_HALFBYTE(w->alpha_val[pix_a]);
620 }
621
622 static uint32_t fimd_get_alpha_sel(Exynos4210fimdWindow *w, uint32_t pix_a)
623 {
624 return w->alpha_val[(w->wincon & FIMD_WINCON_ALPHA_SEL) ? 1 : 0];
625 }
626
627 static uint32_t fimd_get_alpha_sel_ext(Exynos4210fimdWindow *w, uint32_t pix_a)
628 {
629 return EXTEND_UPPER_HALFBYTE(w->alpha_val[(w->wincon &
630 FIMD_WINCON_ALPHA_SEL) ? 1 : 0]);
631 }
632
633 /* Updates currently active alpha value get function for specified window */
634 static void fimd_update_get_alpha(Exynos4210fimdState *s, int win)
635 {
636 Exynos4210fimdWindow *w = &s->window[win];
637 const bool alpha_is_8bit = s->blendcon & FIMD_ALPHA_8BIT;
638
639 if (w->wincon & FIMD_WINCON_BLD_PIX) {
640 if ((w->wincon & FIMD_WINCON_ALPHA_SEL) && WIN_BPP_MODE_WITH_ALPHA(w)) {
641 /* In this case, alpha component contains meaningful value */
642 if (w->wincon & FIMD_WINCON_ALPHA_MUL) {
643 w->get_alpha = alpha_is_8bit ?
644 fimd_get_alpha_mult : fimd_get_alpha_mult_ext;
645 } else {
646 w->get_alpha = alpha_is_8bit ?
647 fimd_get_alpha_pix : fimd_get_alpha_pix_extlow;
648 }
649 } else {
650 if (IS_PALETTIZED_MODE(w) &&
651 PAL_MODE_WITH_ALPHA(exynos4210_fimd_palette_format(s, win))) {
652 /* Alpha component has 8-bit numeric value */
653 w->get_alpha = alpha_is_8bit ?
654 fimd_get_alpha_pix : fimd_get_alpha_pix_exthigh;
655 } else {
656 /* Alpha has only two possible values (AEN) */
657 w->get_alpha = alpha_is_8bit ?
658 fimd_get_alpha_aen : fimd_get_alpha_aen_ext;
659 }
660 }
661 } else {
662 w->get_alpha = alpha_is_8bit ? fimd_get_alpha_sel :
663 fimd_get_alpha_sel_ext;
664 }
665 }
666
667 /* Blends current window's (w) pixel (foreground pixel *ret) with background
668 * window (w_blend) pixel p_bg according to formula:
669 * NEW_COLOR = a_coef x FG_PIXEL_COLOR + b_coef x BG_PIXEL_COLOR
670 * NEW_ALPHA = p_coef x FG_ALPHA + q_coef x BG_ALPHA
671 */
672 static void
673 exynos4210_fimd_blend_pixel(Exynos4210fimdWindow *w, rgba p_bg, rgba *ret)
674 {
675 rgba p_fg = *ret;
676 uint32_t bg_color = ((p_bg.r & 0xFF) << 16) | ((p_bg.g & 0xFF) << 8) |
677 (p_bg.b & 0xFF);
678 uint32_t fg_color = ((p_fg.r & 0xFF) << 16) | ((p_fg.g & 0xFF) << 8) |
679 (p_fg.b & 0xFF);
680 uint32_t alpha_fg = p_fg.a;
681 int i;
682 /* It is possible that blending equation parameters a and b do not
683 * depend on window BLENEQ register. Account for this with first_coef */
684 enum { A_COEF = 0, B_COEF = 1, P_COEF = 2, Q_COEF = 3, COEF_NUM = 4};
685 uint32_t first_coef = A_COEF;
686 uint32_t blend_param[COEF_NUM];
687
688 if (w->keycon[0] & FIMD_WKEYCON0_KEYEN) {
689 uint32_t colorkey = (w->keycon[1] &
690 ~(w->keycon[0] & FIMD_WKEYCON0_COMPKEY)) & FIMD_WKEYCON0_COMPKEY;
691
692 if ((w->keycon[0] & FIMD_WKEYCON0_DIRCON) &&
693 (bg_color & ~(w->keycon[0] & FIMD_WKEYCON0_COMPKEY)) == colorkey) {
694 /* Foreground pixel is displayed */
695 if (w->keycon[0] & FIMD_WKEYCON0_KEYBLEN) {
696 alpha_fg = w->keyalpha;
697 blend_param[A_COEF] = alpha_fg;
698 blend_param[B_COEF] = FIMD_1_MINUS_COLOR(alpha_fg);
699 } else {
700 alpha_fg = 0;
701 blend_param[A_COEF] = 0xFFFFFF;
702 blend_param[B_COEF] = 0x0;
703 }
704 first_coef = P_COEF;
705 } else if ((w->keycon[0] & FIMD_WKEYCON0_DIRCON) == 0 &&
706 (fg_color & ~(w->keycon[0] & FIMD_WKEYCON0_COMPKEY)) == colorkey) {
707 /* Background pixel is displayed */
708 if (w->keycon[0] & FIMD_WKEYCON0_KEYBLEN) {
709 alpha_fg = w->keyalpha;
710 blend_param[A_COEF] = alpha_fg;
711 blend_param[B_COEF] = FIMD_1_MINUS_COLOR(alpha_fg);
712 } else {
713 alpha_fg = 0;
714 blend_param[A_COEF] = 0x0;
715 blend_param[B_COEF] = 0xFFFFFF;
716 }
717 first_coef = P_COEF;
718 }
719 }
720
721 for (i = first_coef; i < COEF_NUM; i++) {
722 switch ((w->blendeq >> i * 6) & FIMD_BLENDEQ_COEF_MASK) {
723 case 0:
724 blend_param[i] = 0;
725 break;
726 case 1:
727 blend_param[i] = 0xFFFFFF;
728 break;
729 case 2:
730 blend_param[i] = alpha_fg;
731 break;
732 case 3:
733 blend_param[i] = FIMD_1_MINUS_COLOR(alpha_fg);
734 break;
735 case 4:
736 blend_param[i] = p_bg.a;
737 break;
738 case 5:
739 blend_param[i] = FIMD_1_MINUS_COLOR(p_bg.a);
740 break;
741 case 6:
742 blend_param[i] = w->alpha_val[0];
743 break;
744 case 10:
745 blend_param[i] = fg_color;
746 break;
747 case 11:
748 blend_param[i] = FIMD_1_MINUS_COLOR(fg_color);
749 break;
750 case 12:
751 blend_param[i] = bg_color;
752 break;
753 case 13:
754 blend_param[i] = FIMD_1_MINUS_COLOR(bg_color);
755 break;
756 default:
757 hw_error("exynos4210.fimd: blend equation coef illegal value\n");
758 break;
759 }
760 }
761
762 fg_color = fimd_mult_and_sum_each_byte(bg_color, blend_param[B_COEF],
763 fg_color, blend_param[A_COEF]);
764 ret->b = fg_color & 0xFF;
765 fg_color >>= 8;
766 ret->g = fg_color & 0xFF;
767 fg_color >>= 8;
768 ret->r = fg_color & 0xFF;
769 ret->a = fimd_mult_and_sum_each_byte(alpha_fg, blend_param[P_COEF],
770 p_bg.a, blend_param[Q_COEF]);
771 }
772
773 /* These routines read data from video frame buffer in system RAM, convert
774 * this data to display controller internal representation, if necessary,
775 * perform pixel blending with data, currently presented in internal buffer.
776 * Result is stored in display controller internal frame buffer. */
777
778 /* Draw line with index in palette table in RAM frame buffer data */
779 #define DEF_DRAW_LINE_PALETTE(N) \
780 static void glue(draw_line_palette_, N)(Exynos4210fimdWindow *w, uint8_t *src, \
781 uint8_t *dst, bool blend) \
782 { \
783 int width = w->rightbot_x - w->lefttop_x + 1; \
784 uint8_t *ifb = dst; \
785 uint8_t swap = (w->wincon & FIMD_WINCON_SWAP) >> FIMD_WINCON_SWAP_SHIFT; \
786 uint64_t data; \
787 rgba p, p_old; \
788 int i; \
789 do { \
790 memcpy(&data, src, sizeof(data)); \
791 src += 8; \
792 fimd_swap_data(swap, &data); \
793 for (i = (64 / (N) - 1); i >= 0; i--) { \
794 w->pixel_to_rgb(w->palette[(data >> ((N) * i)) & \
795 ((1ULL << (N)) - 1)], &p); \
796 p.a = w->get_alpha(w, p.a); \
797 if (blend) { \
798 ifb += get_pixel_ifb(ifb, &p_old); \
799 exynos4210_fimd_blend_pixel(w, p_old, &p); \
800 } \
801 dst += put_pixel_ifb(p, dst); \
802 } \
803 width -= (64 / (N)); \
804 } while (width > 0); \
805 }
806
807 /* Draw line with direct color value in RAM frame buffer data */
808 #define DEF_DRAW_LINE_NOPALETTE(N) \
809 static void glue(draw_line_, N)(Exynos4210fimdWindow *w, uint8_t *src, \
810 uint8_t *dst, bool blend) \
811 { \
812 int width = w->rightbot_x - w->lefttop_x + 1; \
813 uint8_t *ifb = dst; \
814 uint8_t swap = (w->wincon & FIMD_WINCON_SWAP) >> FIMD_WINCON_SWAP_SHIFT; \
815 uint64_t data; \
816 rgba p, p_old; \
817 int i; \
818 do { \
819 memcpy(&data, src, sizeof(data)); \
820 src += 8; \
821 fimd_swap_data(swap, &data); \
822 for (i = (64 / (N) - 1); i >= 0; i--) { \
823 w->pixel_to_rgb((data >> ((N) * i)) & ((1ULL << (N)) - 1), &p); \
824 p.a = w->get_alpha(w, p.a); \
825 if (blend) { \
826 ifb += get_pixel_ifb(ifb, &p_old); \
827 exynos4210_fimd_blend_pixel(w, p_old, &p); \
828 } \
829 dst += put_pixel_ifb(p, dst); \
830 } \
831 width -= (64 / (N)); \
832 } while (width > 0); \
833 }
834
835 DEF_DRAW_LINE_PALETTE(1)
836 DEF_DRAW_LINE_PALETTE(2)
837 DEF_DRAW_LINE_PALETTE(4)
838 DEF_DRAW_LINE_PALETTE(8)
839 DEF_DRAW_LINE_NOPALETTE(8) /* 8bpp mode has palette and non-palette versions */
840 DEF_DRAW_LINE_NOPALETTE(16)
841 DEF_DRAW_LINE_NOPALETTE(32)
842
843 /* Special draw line routine for window color map case */
844 static void draw_line_mapcolor(Exynos4210fimdWindow *w, uint8_t *src,
845 uint8_t *dst, bool blend)
846 {
847 rgba p, p_old;
848 uint8_t *ifb = dst;
849 int width = w->rightbot_x - w->lefttop_x + 1;
850 uint32_t map_color = w->winmap & FIMD_WINMAP_COLOR_MASK;
851
852 do {
853 pixel_888_to_rgb(map_color, &p);
854 p.a = w->get_alpha(w, p.a);
855 if (blend) {
856 ifb += get_pixel_ifb(ifb, &p_old);
857 exynos4210_fimd_blend_pixel(w, p_old, &p);
858 }
859 dst += put_pixel_ifb(p, dst);
860 } while (--width);
861 }
862
863 /* Write RGB to QEMU's GraphicConsole framebuffer */
864
865 static int put_to_qemufb_pixel8(const rgba p, uint8_t *d)
866 {
867 uint32_t pixel = rgb_to_pixel8(p.r, p.g, p.b);
868 *(uint8_t *)d = pixel;
869 return 1;
870 }
871
872 static int put_to_qemufb_pixel15(const rgba p, uint8_t *d)
873 {
874 uint32_t pixel = rgb_to_pixel15(p.r, p.g, p.b);
875 *(uint16_t *)d = pixel;
876 return 2;
877 }
878
879 static int put_to_qemufb_pixel16(const rgba p, uint8_t *d)
880 {
881 uint32_t pixel = rgb_to_pixel16(p.r, p.g, p.b);
882 *(uint16_t *)d = pixel;
883 return 2;
884 }
885
886 static int put_to_qemufb_pixel24(const rgba p, uint8_t *d)
887 {
888 uint32_t pixel = rgb_to_pixel24(p.r, p.g, p.b);
889 *(uint8_t *)d++ = (pixel >> 0) & 0xFF;
890 *(uint8_t *)d++ = (pixel >> 8) & 0xFF;
891 *(uint8_t *)d++ = (pixel >> 16) & 0xFF;
892 return 3;
893 }
894
895 static int put_to_qemufb_pixel32(const rgba p, uint8_t *d)
896 {
897 uint32_t pixel = rgb_to_pixel24(p.r, p.g, p.b);
898 *(uint32_t *)d = pixel;
899 return 4;
900 }
901
902 /* Routine to copy pixel from internal buffer to QEMU buffer */
903 static int (*put_pixel_toqemu)(const rgba p, uint8_t *pixel);
904 static inline void fimd_update_putpix_qemu(int bpp)
905 {
906 switch (bpp) {
907 case 8:
908 put_pixel_toqemu = put_to_qemufb_pixel8;
909 break;
910 case 15:
911 put_pixel_toqemu = put_to_qemufb_pixel15;
912 break;
913 case 16:
914 put_pixel_toqemu = put_to_qemufb_pixel16;
915 break;
916 case 24:
917 put_pixel_toqemu = put_to_qemufb_pixel24;
918 break;
919 case 32:
920 put_pixel_toqemu = put_to_qemufb_pixel32;
921 break;
922 default:
923 hw_error("exynos4210.fimd: unsupported BPP (%d)", bpp);
924 break;
925 }
926 }
927
928 /* Routine to copy a line from internal frame buffer to QEMU display */
929 static void fimd_copy_line_toqemu(int width, uint8_t *src, uint8_t *dst)
930 {
931 rgba p;
932
933 do {
934 src += get_pixel_ifb(src, &p);
935 dst += put_pixel_toqemu(p, dst);
936 } while (--width);
937 }
938
939 /* Parse BPPMODE_F = WINCON1[5:2] bits */
940 static void exynos4210_fimd_update_win_bppmode(Exynos4210fimdState *s, int win)
941 {
942 Exynos4210fimdWindow *w = &s->window[win];
943
944 if (w->winmap & FIMD_WINMAP_EN) {
945 w->draw_line = draw_line_mapcolor;
946 return;
947 }
948
949 switch (WIN_BPP_MODE(w)) {
950 case 0:
951 w->draw_line = draw_line_palette_1;
952 w->pixel_to_rgb =
953 palette_data_format[exynos4210_fimd_palette_format(s, win)];
954 break;
955 case 1:
956 w->draw_line = draw_line_palette_2;
957 w->pixel_to_rgb =
958 palette_data_format[exynos4210_fimd_palette_format(s, win)];
959 break;
960 case 2:
961 w->draw_line = draw_line_palette_4;
962 w->pixel_to_rgb =
963 palette_data_format[exynos4210_fimd_palette_format(s, win)];
964 break;
965 case 3:
966 w->draw_line = draw_line_palette_8;
967 w->pixel_to_rgb =
968 palette_data_format[exynos4210_fimd_palette_format(s, win)];
969 break;
970 case 4:
971 w->draw_line = draw_line_8;
972 w->pixel_to_rgb = pixel_a232_to_rgb;
973 break;
974 case 5:
975 w->draw_line = draw_line_16;
976 w->pixel_to_rgb = pixel_565_to_rgb;
977 break;
978 case 6:
979 w->draw_line = draw_line_16;
980 w->pixel_to_rgb = pixel_a555_to_rgb;
981 break;
982 case 7:
983 w->draw_line = draw_line_16;
984 w->pixel_to_rgb = pixel_1555_to_rgb;
985 break;
986 case 8:
987 w->draw_line = draw_line_32;
988 w->pixel_to_rgb = pixel_666_to_rgb;
989 break;
990 case 9:
991 w->draw_line = draw_line_32;
992 w->pixel_to_rgb = pixel_a665_to_rgb;
993 break;
994 case 10:
995 w->draw_line = draw_line_32;
996 w->pixel_to_rgb = pixel_a666_to_rgb;
997 break;
998 case 11:
999 w->draw_line = draw_line_32;
1000 w->pixel_to_rgb = pixel_888_to_rgb;
1001 break;
1002 case 12:
1003 w->draw_line = draw_line_32;
1004 w->pixel_to_rgb = pixel_a887_to_rgb;
1005 break;
1006 case 13:
1007 w->draw_line = draw_line_32;
1008 if ((w->wincon & FIMD_WINCON_BLD_PIX) && (w->wincon &
1009 FIMD_WINCON_ALPHA_SEL)) {
1010 w->pixel_to_rgb = pixel_8888_to_rgb;
1011 } else {
1012 w->pixel_to_rgb = pixel_a888_to_rgb;
1013 }
1014 break;
1015 case 14:
1016 w->draw_line = draw_line_16;
1017 if ((w->wincon & FIMD_WINCON_BLD_PIX) && (w->wincon &
1018 FIMD_WINCON_ALPHA_SEL)) {
1019 w->pixel_to_rgb = pixel_4444_to_rgb;
1020 } else {
1021 w->pixel_to_rgb = pixel_a444_to_rgb;
1022 }
1023 break;
1024 case 15:
1025 w->draw_line = draw_line_16;
1026 w->pixel_to_rgb = pixel_555_to_rgb;
1027 break;
1028 }
1029 }
1030
1031 #if EXYNOS4210_FIMD_MODE_TRACE > 0
1032 static const char *exynos4210_fimd_get_bppmode(int mode_code)
1033 {
1034 switch (mode_code) {
1035 case 0:
1036 return "1 bpp";
1037 case 1:
1038 return "2 bpp";
1039 case 2:
1040 return "4 bpp";
1041 case 3:
1042 return "8 bpp (palettized)";
1043 case 4:
1044 return "8 bpp (non-palettized, A: 1-R:2-G:3-B:2)";
1045 case 5:
1046 return "16 bpp (non-palettized, R:5-G:6-B:5)";
1047 case 6:
1048 return "16 bpp (non-palettized, A:1-R:5-G:5-B:5)";
1049 case 7:
1050 return "16 bpp (non-palettized, I :1-R:5-G:5-B:5)";
1051 case 8:
1052 return "Unpacked 18 bpp (non-palettized, R:6-G:6-B:6)";
1053 case 9:
1054 return "Unpacked 18bpp (non-palettized,A:1-R:6-G:6-B:5)";
1055 case 10:
1056 return "Unpacked 19bpp (non-palettized,A:1-R:6-G:6-B:6)";
1057 case 11:
1058 return "Unpacked 24 bpp (non-palettized R:8-G:8-B:8)";
1059 case 12:
1060 return "Unpacked 24 bpp (non-palettized A:1-R:8-G:8-B:7)";
1061 case 13:
1062 return "Unpacked 25 bpp (non-palettized A:1-R:8-G:8-B:8)";
1063 case 14:
1064 return "Unpacked 13 bpp (non-palettized A:1-R:4-G:4-B:4)";
1065 case 15:
1066 return "Unpacked 15 bpp (non-palettized R:5-G:5-B:5)";
1067 default:
1068 return "Non-existing bpp mode";
1069 }
1070 }
1071
1072 static inline void exynos4210_fimd_trace_bppmode(Exynos4210fimdState *s,
1073 int win_num, uint32_t val)
1074 {
1075 Exynos4210fimdWindow *w = &s->window[win_num];
1076
1077 if (w->winmap & FIMD_WINMAP_EN) {
1078 printf("QEMU FIMD: Window %d is mapped with MAPCOLOR=0x%x\n",
1079 win_num, w->winmap & 0xFFFFFF);
1080 return;
1081 }
1082
1083 if ((val != 0xFFFFFFFF) && ((w->wincon >> 2) & 0xF) == ((val >> 2) & 0xF)) {
1084 return;
1085 }
1086 printf("QEMU FIMD: Window %d BPP mode set to %s\n", win_num,
1087 exynos4210_fimd_get_bppmode((val >> 2) & 0xF));
1088 }
1089 #else
1090 static inline void exynos4210_fimd_trace_bppmode(Exynos4210fimdState *s,
1091 int win_num, uint32_t val)
1092 {
1093
1094 }
1095 #endif
1096
1097 static inline int fimd_get_buffer_id(Exynos4210fimdWindow *w)
1098 {
1099 switch (w->wincon & FIMD_WINCON_BUFSTATUS) {
1100 case FIMD_WINCON_BUF0_STAT:
1101 return 0;
1102 case FIMD_WINCON_BUF1_STAT:
1103 return 1;
1104 case FIMD_WINCON_BUF2_STAT:
1105 return 2;
1106 default:
1107 qemu_log_mask(LOG_GUEST_ERROR, "FIMD: Non-existent buffer index\n");
1108 return 0;
1109 }
1110 }
1111
1112 static void exynos4210_fimd_invalidate(void *opaque)
1113 {
1114 Exynos4210fimdState *s = (Exynos4210fimdState *)opaque;
1115 s->invalidate = true;
1116 }
1117
1118 /* Updates specified window's MemorySection based on values of WINCON,
1119 * VIDOSDA, VIDOSDB, VIDWADDx and SHADOWCON registers */
1120 static void fimd_update_memory_section(Exynos4210fimdState *s, unsigned win)
1121 {
1122 SysBusDevice *sbd = SYS_BUS_DEVICE(s);
1123 Exynos4210fimdWindow *w = &s->window[win];
1124 hwaddr fb_start_addr, fb_mapped_len;
1125
1126 if (!s->enabled || !(w->wincon & FIMD_WINCON_ENWIN) ||
1127 FIMD_WINDOW_PROTECTED(s->shadowcon, win)) {
1128 return;
1129 }
1130
1131 if (w->host_fb_addr) {
1132 cpu_physical_memory_unmap(w->host_fb_addr, w->fb_len, 0, 0);
1133 w->host_fb_addr = NULL;
1134 w->fb_len = 0;
1135 }
1136
1137 fb_start_addr = w->buf_start[fimd_get_buffer_id(w)];
1138 /* Total number of bytes of virtual screen used by current window */
1139 w->fb_len = fb_mapped_len = (w->virtpage_width + w->virtpage_offsize) *
1140 (w->rightbot_y - w->lefttop_y + 1);
1141
1142 /* TODO: add .exit and unref the region there. Not needed yet since sysbus
1143 * does not support hot-unplug.
1144 */
1145 if (w->mem_section.mr) {
1146 memory_region_set_log(w->mem_section.mr, false, DIRTY_MEMORY_VGA);
1147 memory_region_unref(w->mem_section.mr);
1148 }
1149
1150 w->mem_section = memory_region_find(sysbus_address_space(sbd),
1151 fb_start_addr, w->fb_len);
1152 assert(w->mem_section.mr);
1153 assert(w->mem_section.offset_within_address_space == fb_start_addr);
1154 DPRINT_TRACE("Window %u framebuffer changed: address=0x%08x, len=0x%x\n",
1155 win, fb_start_addr, w->fb_len);
1156
1157 if (int128_get64(w->mem_section.size) != w->fb_len ||
1158 !memory_region_is_ram(w->mem_section.mr)) {
1159 qemu_log_mask(LOG_GUEST_ERROR,
1160 "FIMD: Failed to find window %u framebuffer region\n",
1161 win);
1162 goto error_return;
1163 }
1164
1165 w->host_fb_addr = cpu_physical_memory_map(fb_start_addr, &fb_mapped_len,
1166 false);
1167 if (!w->host_fb_addr) {
1168 qemu_log_mask(LOG_GUEST_ERROR,
1169 "FIMD: Failed to map window %u framebuffer\n", win);
1170 goto error_return;
1171 }
1172
1173 if (fb_mapped_len != w->fb_len) {
1174 qemu_log_mask(LOG_GUEST_ERROR,
1175 "FIMD: Window %u mapped framebuffer length is less than "
1176 "expected\n", win);
1177 cpu_physical_memory_unmap(w->host_fb_addr, fb_mapped_len, 0, 0);
1178 goto error_return;
1179 }
1180 memory_region_set_log(w->mem_section.mr, true, DIRTY_MEMORY_VGA);
1181 exynos4210_fimd_invalidate(s);
1182 return;
1183
1184 error_return:
1185 memory_region_unref(w->mem_section.mr);
1186 w->mem_section.mr = NULL;
1187 w->mem_section.size = int128_zero();
1188 w->host_fb_addr = NULL;
1189 w->fb_len = 0;
1190 }
1191
1192 static void exynos4210_fimd_enable(Exynos4210fimdState *s, bool enabled)
1193 {
1194 if (enabled && !s->enabled) {
1195 unsigned w;
1196 s->enabled = true;
1197 for (w = 0; w < NUM_OF_WINDOWS; w++) {
1198 fimd_update_memory_section(s, w);
1199 }
1200 }
1201 s->enabled = enabled;
1202 DPRINT_TRACE("display controller %s\n", enabled ? "enabled" : "disabled");
1203 }
1204
1205 static inline uint32_t unpack_upper_4(uint32_t x)
1206 {
1207 return ((x & 0xF00) << 12) | ((x & 0xF0) << 8) | ((x & 0xF) << 4);
1208 }
1209
1210 static inline uint32_t pack_upper_4(uint32_t x)
1211 {
1212 return (((x & 0xF00000) >> 12) | ((x & 0xF000) >> 8) |
1213 ((x & 0xF0) >> 4)) & 0xFFF;
1214 }
1215
1216 static void exynos4210_fimd_update_irq(Exynos4210fimdState *s)
1217 {
1218 if (!(s->vidintcon[0] & FIMD_VIDINT_INTEN)) {
1219 qemu_irq_lower(s->irq[0]);
1220 qemu_irq_lower(s->irq[1]);
1221 qemu_irq_lower(s->irq[2]);
1222 return;
1223 }
1224 if ((s->vidintcon[0] & FIMD_VIDINT_INTFIFOEN) &&
1225 (s->vidintcon[1] & FIMD_VIDINT_INTFIFOPEND)) {
1226 qemu_irq_raise(s->irq[0]);
1227 } else {
1228 qemu_irq_lower(s->irq[0]);
1229 }
1230 if ((s->vidintcon[0] & FIMD_VIDINT_INTFRMEN) &&
1231 (s->vidintcon[1] & FIMD_VIDINT_INTFRMPEND)) {
1232 qemu_irq_raise(s->irq[1]);
1233 } else {
1234 qemu_irq_lower(s->irq[1]);
1235 }
1236 if ((s->vidintcon[0] & FIMD_VIDINT_I80IFDONE) &&
1237 (s->vidintcon[1] & FIMD_VIDINT_INTI80PEND)) {
1238 qemu_irq_raise(s->irq[2]);
1239 } else {
1240 qemu_irq_lower(s->irq[2]);
1241 }
1242 }
1243
1244 static void exynos4210_update_resolution(Exynos4210fimdState *s)
1245 {
1246 DisplaySurface *surface = qemu_console_surface(s->console);
1247
1248 /* LCD resolution is stored in VIDEO TIME CONTROL REGISTER 2 */
1249 uint32_t width = ((s->vidtcon[2] >> FIMD_VIDTCON2_HOR_SHIFT) &
1250 FIMD_VIDTCON2_SIZE_MASK) + 1;
1251 uint32_t height = ((s->vidtcon[2] >> FIMD_VIDTCON2_VER_SHIFT) &
1252 FIMD_VIDTCON2_SIZE_MASK) + 1;
1253
1254 if (s->ifb == NULL || surface_width(surface) != width ||
1255 surface_height(surface) != height) {
1256 DPRINT_L1("Resolution changed from %ux%u to %ux%u\n",
1257 surface_width(surface), surface_height(surface), width, height);
1258 qemu_console_resize(s->console, width, height);
1259 s->ifb = g_realloc(s->ifb, width * height * RGBA_SIZE + 1);
1260 memset(s->ifb, 0, width * height * RGBA_SIZE + 1);
1261 exynos4210_fimd_invalidate(s);
1262 }
1263 }
1264
1265 static void exynos4210_fimd_update(void *opaque)
1266 {
1267 Exynos4210fimdState *s = (Exynos4210fimdState *)opaque;
1268 DisplaySurface *surface;
1269 Exynos4210fimdWindow *w;
1270 DirtyBitmapSnapshot *snap;
1271 int i, line;
1272 hwaddr fb_line_addr, inc_size;
1273 int scrn_height;
1274 int first_line = -1, last_line = -1, scrn_width;
1275 bool blend = false;
1276 uint8_t *host_fb_addr;
1277 bool is_dirty = false;
1278 const int global_width = (s->vidtcon[2] & FIMD_VIDTCON2_SIZE_MASK) + 1;
1279
1280 if (!s || !s->console || !s->enabled ||
1281 surface_bits_per_pixel(qemu_console_surface(s->console)) == 0) {
1282 return;
1283 }
1284 exynos4210_update_resolution(s);
1285 surface = qemu_console_surface(s->console);
1286
1287 for (i = 0; i < NUM_OF_WINDOWS; i++) {
1288 w = &s->window[i];
1289 if ((w->wincon & FIMD_WINCON_ENWIN) && w->host_fb_addr) {
1290 scrn_height = w->rightbot_y - w->lefttop_y + 1;
1291 scrn_width = w->virtpage_width;
1292 /* Total width of virtual screen page in bytes */
1293 inc_size = scrn_width + w->virtpage_offsize;
1294 host_fb_addr = w->host_fb_addr;
1295 fb_line_addr = w->mem_section.offset_within_region;
1296 snap = memory_region_snapshot_and_clear_dirty(w->mem_section.mr,
1297 fb_line_addr, inc_size * scrn_height, DIRTY_MEMORY_VGA);
1298
1299 for (line = 0; line < scrn_height; line++) {
1300 is_dirty = memory_region_snapshot_get_dirty(w->mem_section.mr,
1301 snap, fb_line_addr, scrn_width);
1302
1303 if (s->invalidate || is_dirty) {
1304 if (first_line == -1) {
1305 first_line = line;
1306 }
1307 last_line = line;
1308 w->draw_line(w, host_fb_addr, s->ifb +
1309 w->lefttop_x * RGBA_SIZE + (w->lefttop_y + line) *
1310 global_width * RGBA_SIZE, blend);
1311 }
1312 host_fb_addr += inc_size;
1313 fb_line_addr += inc_size;
1314 }
1315 g_free(snap);
1316 blend = true;
1317 }
1318 }
1319
1320 /* Copy resulting image to QEMU_CONSOLE. */
1321 if (first_line >= 0) {
1322 uint8_t *d;
1323 int bpp;
1324
1325 bpp = surface_bits_per_pixel(surface);
1326 fimd_update_putpix_qemu(bpp);
1327 bpp = (bpp + 1) >> 3;
1328 d = surface_data(surface);
1329 for (line = first_line; line <= last_line; line++) {
1330 fimd_copy_line_toqemu(global_width, s->ifb + global_width * line *
1331 RGBA_SIZE, d + global_width * line * bpp);
1332 }
1333 dpy_gfx_update_full(s->console);
1334 }
1335 s->invalidate = false;
1336 s->vidintcon[1] |= FIMD_VIDINT_INTFRMPEND;
1337 if ((s->vidcon[0] & FIMD_VIDCON0_ENVID_F) == 0) {
1338 exynos4210_fimd_enable(s, false);
1339 }
1340 exynos4210_fimd_update_irq(s);
1341 }
1342
1343 static void exynos4210_fimd_reset(DeviceState *d)
1344 {
1345 Exynos4210fimdState *s = EXYNOS4210_FIMD(d);
1346 unsigned w;
1347
1348 DPRINT_TRACE("Display controller reset\n");
1349 /* Set all display controller registers to 0 */
1350 memset(&s->vidcon, 0, (uint8_t *)&s->window - (uint8_t *)&s->vidcon);
1351 for (w = 0; w < NUM_OF_WINDOWS; w++) {
1352 memset(&s->window[w], 0, sizeof(Exynos4210fimdWindow));
1353 s->window[w].blendeq = 0xC2;
1354 exynos4210_fimd_update_win_bppmode(s, w);
1355 exynos4210_fimd_trace_bppmode(s, w, 0xFFFFFFFF);
1356 fimd_update_get_alpha(s, w);
1357 }
1358
1359 g_free(s->ifb);
1360 s->ifb = NULL;
1361
1362 exynos4210_fimd_invalidate(s);
1363 exynos4210_fimd_enable(s, false);
1364 /* Some registers have non-zero initial values */
1365 s->winchmap = 0x7D517D51;
1366 s->colorgaincon = 0x10040100;
1367 s->huecoef_cr[0] = s->huecoef_cr[3] = 0x01000100;
1368 s->huecoef_cb[0] = s->huecoef_cb[3] = 0x01000100;
1369 s->hueoffset = 0x01800080;
1370 }
1371
1372 static void exynos4210_fimd_write(void *opaque, hwaddr offset,
1373 uint64_t val, unsigned size)
1374 {
1375 Exynos4210fimdState *s = (Exynos4210fimdState *)opaque;
1376 unsigned w, i;
1377 uint32_t old_value;
1378
1379 DPRINT_L2("write offset 0x%08x, value=%llu(0x%08llx)\n", offset,
1380 (long long unsigned int)val, (long long unsigned int)val);
1381
1382 switch (offset) {
1383 case FIMD_VIDCON0:
1384 if ((val & FIMD_VIDCON0_ENVID_MASK) == FIMD_VIDCON0_ENVID_MASK) {
1385 exynos4210_fimd_enable(s, true);
1386 } else {
1387 if ((val & FIMD_VIDCON0_ENVID) == 0) {
1388 exynos4210_fimd_enable(s, false);
1389 }
1390 }
1391 s->vidcon[0] = val;
1392 break;
1393 case FIMD_VIDCON1:
1394 /* Leave read-only bits as is */
1395 val = (val & (~FIMD_VIDCON1_ROMASK)) |
1396 (s->vidcon[1] & FIMD_VIDCON1_ROMASK);
1397 s->vidcon[1] = val;
1398 break;
1399 case FIMD_VIDCON2 ... FIMD_VIDCON3:
1400 s->vidcon[(offset) >> 2] = val;
1401 break;
1402 case FIMD_VIDTCON_START ... FIMD_VIDTCON_END:
1403 s->vidtcon[(offset - FIMD_VIDTCON_START) >> 2] = val;
1404 break;
1405 case FIMD_WINCON_START ... FIMD_WINCON_END:
1406 w = (offset - FIMD_WINCON_START) >> 2;
1407 /* Window's current buffer ID */
1408 i = fimd_get_buffer_id(&s->window[w]);
1409 old_value = s->window[w].wincon;
1410 val = (val & ~FIMD_WINCON_ROMASK) |
1411 (s->window[w].wincon & FIMD_WINCON_ROMASK);
1412 if (w == 0) {
1413 /* Window 0 wincon ALPHA_MUL bit must always be 0 */
1414 val &= ~FIMD_WINCON_ALPHA_MUL;
1415 }
1416 exynos4210_fimd_trace_bppmode(s, w, val);
1417 switch (val & FIMD_WINCON_BUFSELECT) {
1418 case FIMD_WINCON_BUF0_SEL:
1419 val &= ~FIMD_WINCON_BUFSTATUS;
1420 break;
1421 case FIMD_WINCON_BUF1_SEL:
1422 val = (val & ~FIMD_WINCON_BUFSTAT_H) | FIMD_WINCON_BUFSTAT_L;
1423 break;
1424 case FIMD_WINCON_BUF2_SEL:
1425 if (val & FIMD_WINCON_BUFMODE) {
1426 val = (val & ~FIMD_WINCON_BUFSTAT_L) | FIMD_WINCON_BUFSTAT_H;
1427 }
1428 break;
1429 default:
1430 break;
1431 }
1432 s->window[w].wincon = val;
1433 exynos4210_fimd_update_win_bppmode(s, w);
1434 fimd_update_get_alpha(s, w);
1435 if ((i != fimd_get_buffer_id(&s->window[w])) ||
1436 (!(old_value & FIMD_WINCON_ENWIN) && (s->window[w].wincon &
1437 FIMD_WINCON_ENWIN))) {
1438 fimd_update_memory_section(s, w);
1439 }
1440 break;
1441 case FIMD_SHADOWCON:
1442 old_value = s->shadowcon;
1443 s->shadowcon = val;
1444 for (w = 0; w < NUM_OF_WINDOWS; w++) {
1445 if (FIMD_WINDOW_PROTECTED(old_value, w) &&
1446 !FIMD_WINDOW_PROTECTED(s->shadowcon, w)) {
1447 fimd_update_memory_section(s, w);
1448 }
1449 }
1450 break;
1451 case FIMD_WINCHMAP:
1452 s->winchmap = val;
1453 break;
1454 case FIMD_VIDOSD_START ... FIMD_VIDOSD_END:
1455 w = (offset - FIMD_VIDOSD_START) >> 4;
1456 i = ((offset - FIMD_VIDOSD_START) & 0xF) >> 2;
1457 switch (i) {
1458 case 0:
1459 old_value = s->window[w].lefttop_y;
1460 s->window[w].lefttop_x = (val >> FIMD_VIDOSD_HOR_SHIFT) &
1461 FIMD_VIDOSD_COORD_MASK;
1462 s->window[w].lefttop_y = (val >> FIMD_VIDOSD_VER_SHIFT) &
1463 FIMD_VIDOSD_COORD_MASK;
1464 if (s->window[w].lefttop_y != old_value) {
1465 fimd_update_memory_section(s, w);
1466 }
1467 break;
1468 case 1:
1469 old_value = s->window[w].rightbot_y;
1470 s->window[w].rightbot_x = (val >> FIMD_VIDOSD_HOR_SHIFT) &
1471 FIMD_VIDOSD_COORD_MASK;
1472 s->window[w].rightbot_y = (val >> FIMD_VIDOSD_VER_SHIFT) &
1473 FIMD_VIDOSD_COORD_MASK;
1474 if (s->window[w].rightbot_y != old_value) {
1475 fimd_update_memory_section(s, w);
1476 }
1477 break;
1478 case 2:
1479 if (w == 0) {
1480 s->window[w].osdsize = val;
1481 } else {
1482 s->window[w].alpha_val[0] =
1483 unpack_upper_4((val & FIMD_VIDOSD_ALPHA_AEN0) >>
1484 FIMD_VIDOSD_AEN0_SHIFT) |
1485 (s->window[w].alpha_val[0] & FIMD_VIDALPHA_ALPHA_LOWER);
1486 s->window[w].alpha_val[1] =
1487 unpack_upper_4(val & FIMD_VIDOSD_ALPHA_AEN1) |
1488 (s->window[w].alpha_val[1] & FIMD_VIDALPHA_ALPHA_LOWER);
1489 }
1490 break;
1491 case 3:
1492 if (w != 1 && w != 2) {
1493 qemu_log_mask(LOG_GUEST_ERROR,
1494 "FIMD: Bad write offset 0x%08"HWADDR_PRIx"\n",
1495 offset);
1496 return;
1497 }
1498 s->window[w].osdsize = val;
1499 break;
1500 }
1501 break;
1502 case FIMD_VIDWADD0_START ... FIMD_VIDWADD0_END:
1503 w = (offset - FIMD_VIDWADD0_START) >> 3;
1504 i = ((offset - FIMD_VIDWADD0_START) >> 2) & 1;
1505 if (i == fimd_get_buffer_id(&s->window[w]) &&
1506 s->window[w].buf_start[i] != val) {
1507 s->window[w].buf_start[i] = val;
1508 fimd_update_memory_section(s, w);
1509 break;
1510 }
1511 s->window[w].buf_start[i] = val;
1512 break;
1513 case FIMD_VIDWADD1_START ... FIMD_VIDWADD1_END:
1514 w = (offset - FIMD_VIDWADD1_START) >> 3;
1515 i = ((offset - FIMD_VIDWADD1_START) >> 2) & 1;
1516 s->window[w].buf_end[i] = val;
1517 break;
1518 case FIMD_VIDWADD2_START ... FIMD_VIDWADD2_END:
1519 w = (offset - FIMD_VIDWADD2_START) >> 2;
1520 if (((val & FIMD_VIDWADD2_PAGEWIDTH) != s->window[w].virtpage_width) ||
1521 (((val >> FIMD_VIDWADD2_OFFSIZE_SHIFT) & FIMD_VIDWADD2_OFFSIZE) !=
1522 s->window[w].virtpage_offsize)) {
1523 s->window[w].virtpage_width = val & FIMD_VIDWADD2_PAGEWIDTH;
1524 s->window[w].virtpage_offsize =
1525 (val >> FIMD_VIDWADD2_OFFSIZE_SHIFT) & FIMD_VIDWADD2_OFFSIZE;
1526 fimd_update_memory_section(s, w);
1527 }
1528 break;
1529 case FIMD_VIDINTCON0:
1530 s->vidintcon[0] = val;
1531 break;
1532 case FIMD_VIDINTCON1:
1533 s->vidintcon[1] &= ~(val & 7);
1534 exynos4210_fimd_update_irq(s);
1535 break;
1536 case FIMD_WKEYCON_START ... FIMD_WKEYCON_END:
1537 w = ((offset - FIMD_WKEYCON_START) >> 3) + 1;
1538 i = ((offset - FIMD_WKEYCON_START) >> 2) & 1;
1539 s->window[w].keycon[i] = val;
1540 break;
1541 case FIMD_WKEYALPHA_START ... FIMD_WKEYALPHA_END:
1542 w = ((offset - FIMD_WKEYALPHA_START) >> 2) + 1;
1543 s->window[w].keyalpha = val;
1544 break;
1545 case FIMD_DITHMODE:
1546 s->dithmode = val;
1547 break;
1548 case FIMD_WINMAP_START ... FIMD_WINMAP_END:
1549 w = (offset - FIMD_WINMAP_START) >> 2;
1550 old_value = s->window[w].winmap;
1551 s->window[w].winmap = val;
1552 if ((val & FIMD_WINMAP_EN) ^ (old_value & FIMD_WINMAP_EN)) {
1553 exynos4210_fimd_invalidate(s);
1554 exynos4210_fimd_update_win_bppmode(s, w);
1555 exynos4210_fimd_trace_bppmode(s, w, 0xFFFFFFFF);
1556 exynos4210_fimd_update(s);
1557 }
1558 break;
1559 case FIMD_WPALCON_HIGH ... FIMD_WPALCON_LOW:
1560 i = (offset - FIMD_WPALCON_HIGH) >> 2;
1561 s->wpalcon[i] = val;
1562 if (s->wpalcon[1] & FIMD_WPALCON_UPDATEEN) {
1563 for (w = 0; w < NUM_OF_WINDOWS; w++) {
1564 exynos4210_fimd_update_win_bppmode(s, w);
1565 fimd_update_get_alpha(s, w);
1566 }
1567 }
1568 break;
1569 case FIMD_TRIGCON:
1570 val = (val & ~FIMD_TRIGCON_ROMASK) | (s->trigcon & FIMD_TRIGCON_ROMASK);
1571 s->trigcon = val;
1572 break;
1573 case FIMD_I80IFCON_START ... FIMD_I80IFCON_END:
1574 s->i80ifcon[(offset - FIMD_I80IFCON_START) >> 2] = val;
1575 break;
1576 case FIMD_COLORGAINCON:
1577 s->colorgaincon = val;
1578 break;
1579 case FIMD_LDI_CMDCON0 ... FIMD_LDI_CMDCON1:
1580 s->ldi_cmdcon[(offset - FIMD_LDI_CMDCON0) >> 2] = val;
1581 break;
1582 case FIMD_SIFCCON0 ... FIMD_SIFCCON2:
1583 i = (offset - FIMD_SIFCCON0) >> 2;
1584 if (i != 2) {
1585 s->sifccon[i] = val;
1586 }
1587 break;
1588 case FIMD_HUECOEFCR_START ... FIMD_HUECOEFCR_END:
1589 i = (offset - FIMD_HUECOEFCR_START) >> 2;
1590 s->huecoef_cr[i] = val;
1591 break;
1592 case FIMD_HUECOEFCB_START ... FIMD_HUECOEFCB_END:
1593 i = (offset - FIMD_HUECOEFCB_START) >> 2;
1594 s->huecoef_cb[i] = val;
1595 break;
1596 case FIMD_HUEOFFSET:
1597 s->hueoffset = val;
1598 break;
1599 case FIMD_VIDWALPHA_START ... FIMD_VIDWALPHA_END:
1600 w = ((offset - FIMD_VIDWALPHA_START) >> 3);
1601 i = ((offset - FIMD_VIDWALPHA_START) >> 2) & 1;
1602 if (w == 0) {
1603 s->window[w].alpha_val[i] = val;
1604 } else {
1605 s->window[w].alpha_val[i] = (val & FIMD_VIDALPHA_ALPHA_LOWER) |
1606 (s->window[w].alpha_val[i] & FIMD_VIDALPHA_ALPHA_UPPER);
1607 }
1608 break;
1609 case FIMD_BLENDEQ_START ... FIMD_BLENDEQ_END:
1610 s->window[(offset - FIMD_BLENDEQ_START) >> 2].blendeq = val;
1611 break;
1612 case FIMD_BLENDCON:
1613 old_value = s->blendcon;
1614 s->blendcon = val;
1615 if ((s->blendcon & FIMD_ALPHA_8BIT) != (old_value & FIMD_ALPHA_8BIT)) {
1616 for (w = 0; w < NUM_OF_WINDOWS; w++) {
1617 fimd_update_get_alpha(s, w);
1618 }
1619 }
1620 break;
1621 case FIMD_WRTQOSCON_START ... FIMD_WRTQOSCON_END:
1622 s->window[(offset - FIMD_WRTQOSCON_START) >> 2].rtqoscon = val;
1623 break;
1624 case FIMD_I80IFCMD_START ... FIMD_I80IFCMD_END:
1625 s->i80ifcmd[(offset - FIMD_I80IFCMD_START) >> 2] = val;
1626 break;
1627 case FIMD_VIDW0ADD0_B2 ... FIMD_VIDW4ADD0_B2:
1628 if (offset & 0x0004) {
1629 qemu_log_mask(LOG_GUEST_ERROR,
1630 "FIMD: bad write offset 0x%08"HWADDR_PRIx"\n",
1631 offset);
1632 break;
1633 }
1634 w = (offset - FIMD_VIDW0ADD0_B2) >> 3;
1635 if (fimd_get_buffer_id(&s->window[w]) == 2 &&
1636 s->window[w].buf_start[2] != val) {
1637 s->window[w].buf_start[2] = val;
1638 fimd_update_memory_section(s, w);
1639 break;
1640 }
1641 s->window[w].buf_start[2] = val;
1642 break;
1643 case FIMD_SHD_ADD0_START ... FIMD_SHD_ADD0_END:
1644 if (offset & 0x0004) {
1645 qemu_log_mask(LOG_GUEST_ERROR,
1646 "FIMD: bad write offset 0x%08"HWADDR_PRIx"\n",
1647 offset);
1648 break;
1649 }
1650 s->window[(offset - FIMD_SHD_ADD0_START) >> 3].shadow_buf_start = val;
1651 break;
1652 case FIMD_SHD_ADD1_START ... FIMD_SHD_ADD1_END:
1653 if (offset & 0x0004) {
1654 qemu_log_mask(LOG_GUEST_ERROR,
1655 "FIMD: bad write offset 0x%08"HWADDR_PRIx"\n",
1656 offset);
1657 break;
1658 }
1659 s->window[(offset - FIMD_SHD_ADD1_START) >> 3].shadow_buf_end = val;
1660 break;
1661 case FIMD_SHD_ADD2_START ... FIMD_SHD_ADD2_END:
1662 s->window[(offset - FIMD_SHD_ADD2_START) >> 2].shadow_buf_size = val;
1663 break;
1664 case FIMD_PAL_MEM_START ... FIMD_PAL_MEM_END:
1665 w = (offset - FIMD_PAL_MEM_START) >> 10;
1666 i = ((offset - FIMD_PAL_MEM_START) >> 2) & 0xFF;
1667 s->window[w].palette[i] = val;
1668 break;
1669 case FIMD_PALMEM_AL_START ... FIMD_PALMEM_AL_END:
1670 /* Palette memory aliases for windows 0 and 1 */
1671 w = (offset - FIMD_PALMEM_AL_START) >> 10;
1672 i = ((offset - FIMD_PALMEM_AL_START) >> 2) & 0xFF;
1673 s->window[w].palette[i] = val;
1674 break;
1675 default:
1676 qemu_log_mask(LOG_GUEST_ERROR,
1677 "FIMD: bad write offset 0x%08"HWADDR_PRIx"\n", offset);
1678 break;
1679 }
1680 }
1681
1682 static uint64_t exynos4210_fimd_read(void *opaque, hwaddr offset,
1683 unsigned size)
1684 {
1685 Exynos4210fimdState *s = (Exynos4210fimdState *)opaque;
1686 int w, i;
1687 uint32_t ret = 0;
1688
1689 DPRINT_L2("read offset 0x%08x\n", offset);
1690
1691 switch (offset) {
1692 case FIMD_VIDCON0 ... FIMD_VIDCON3:
1693 return s->vidcon[(offset - FIMD_VIDCON0) >> 2];
1694 case FIMD_VIDTCON_START ... FIMD_VIDTCON_END:
1695 return s->vidtcon[(offset - FIMD_VIDTCON_START) >> 2];
1696 case FIMD_WINCON_START ... FIMD_WINCON_END:
1697 return s->window[(offset - FIMD_WINCON_START) >> 2].wincon;
1698 case FIMD_SHADOWCON:
1699 return s->shadowcon;
1700 case FIMD_WINCHMAP:
1701 return s->winchmap;
1702 case FIMD_VIDOSD_START ... FIMD_VIDOSD_END:
1703 w = (offset - FIMD_VIDOSD_START) >> 4;
1704 i = ((offset - FIMD_VIDOSD_START) & 0xF) >> 2;
1705 switch (i) {
1706 case 0:
1707 ret = ((s->window[w].lefttop_x & FIMD_VIDOSD_COORD_MASK) <<
1708 FIMD_VIDOSD_HOR_SHIFT) |
1709 (s->window[w].lefttop_y & FIMD_VIDOSD_COORD_MASK);
1710 break;
1711 case 1:
1712 ret = ((s->window[w].rightbot_x & FIMD_VIDOSD_COORD_MASK) <<
1713 FIMD_VIDOSD_HOR_SHIFT) |
1714 (s->window[w].rightbot_y & FIMD_VIDOSD_COORD_MASK);
1715 break;
1716 case 2:
1717 if (w == 0) {
1718 ret = s->window[w].osdsize;
1719 } else {
1720 ret = (pack_upper_4(s->window[w].alpha_val[0]) <<
1721 FIMD_VIDOSD_AEN0_SHIFT) |
1722 pack_upper_4(s->window[w].alpha_val[1]);
1723 }
1724 break;
1725 case 3:
1726 if (w != 1 && w != 2) {
1727 qemu_log_mask(LOG_GUEST_ERROR,
1728 "FIMD: bad read offset 0x%08"HWADDR_PRIx"\n",
1729 offset);
1730 return 0xBAADBAAD;
1731 }
1732 ret = s->window[w].osdsize;
1733 break;
1734 }
1735 return ret;
1736 case FIMD_VIDWADD0_START ... FIMD_VIDWADD0_END:
1737 w = (offset - FIMD_VIDWADD0_START) >> 3;
1738 i = ((offset - FIMD_VIDWADD0_START) >> 2) & 1;
1739 return s->window[w].buf_start[i];
1740 case FIMD_VIDWADD1_START ... FIMD_VIDWADD1_END:
1741 w = (offset - FIMD_VIDWADD1_START) >> 3;
1742 i = ((offset - FIMD_VIDWADD1_START) >> 2) & 1;
1743 return s->window[w].buf_end[i];
1744 case FIMD_VIDWADD2_START ... FIMD_VIDWADD2_END:
1745 w = (offset - FIMD_VIDWADD2_START) >> 2;
1746 return s->window[w].virtpage_width | (s->window[w].virtpage_offsize <<
1747 FIMD_VIDWADD2_OFFSIZE_SHIFT);
1748 case FIMD_VIDINTCON0 ... FIMD_VIDINTCON1:
1749 return s->vidintcon[(offset - FIMD_VIDINTCON0) >> 2];
1750 case FIMD_WKEYCON_START ... FIMD_WKEYCON_END:
1751 w = ((offset - FIMD_WKEYCON_START) >> 3) + 1;
1752 i = ((offset - FIMD_WKEYCON_START) >> 2) & 1;
1753 return s->window[w].keycon[i];
1754 case FIMD_WKEYALPHA_START ... FIMD_WKEYALPHA_END:
1755 w = ((offset - FIMD_WKEYALPHA_START) >> 2) + 1;
1756 return s->window[w].keyalpha;
1757 case FIMD_DITHMODE:
1758 return s->dithmode;
1759 case FIMD_WINMAP_START ... FIMD_WINMAP_END:
1760 return s->window[(offset - FIMD_WINMAP_START) >> 2].winmap;
1761 case FIMD_WPALCON_HIGH ... FIMD_WPALCON_LOW:
1762 return s->wpalcon[(offset - FIMD_WPALCON_HIGH) >> 2];
1763 case FIMD_TRIGCON:
1764 return s->trigcon;
1765 case FIMD_I80IFCON_START ... FIMD_I80IFCON_END:
1766 return s->i80ifcon[(offset - FIMD_I80IFCON_START) >> 2];
1767 case FIMD_COLORGAINCON:
1768 return s->colorgaincon;
1769 case FIMD_LDI_CMDCON0 ... FIMD_LDI_CMDCON1:
1770 return s->ldi_cmdcon[(offset - FIMD_LDI_CMDCON0) >> 2];
1771 case FIMD_SIFCCON0 ... FIMD_SIFCCON2:
1772 i = (offset - FIMD_SIFCCON0) >> 2;
1773 return s->sifccon[i];
1774 case FIMD_HUECOEFCR_START ... FIMD_HUECOEFCR_END:
1775 i = (offset - FIMD_HUECOEFCR_START) >> 2;
1776 return s->huecoef_cr[i];
1777 case FIMD_HUECOEFCB_START ... FIMD_HUECOEFCB_END:
1778 i = (offset - FIMD_HUECOEFCB_START) >> 2;
1779 return s->huecoef_cb[i];
1780 case FIMD_HUEOFFSET:
1781 return s->hueoffset;
1782 case FIMD_VIDWALPHA_START ... FIMD_VIDWALPHA_END:
1783 w = ((offset - FIMD_VIDWALPHA_START) >> 3);
1784 i = ((offset - FIMD_VIDWALPHA_START) >> 2) & 1;
1785 return s->window[w].alpha_val[i] &
1786 (w == 0 ? 0xFFFFFF : FIMD_VIDALPHA_ALPHA_LOWER);
1787 case FIMD_BLENDEQ_START ... FIMD_BLENDEQ_END:
1788 return s->window[(offset - FIMD_BLENDEQ_START) >> 2].blendeq;
1789 case FIMD_BLENDCON:
1790 return s->blendcon;
1791 case FIMD_WRTQOSCON_START ... FIMD_WRTQOSCON_END:
1792 return s->window[(offset - FIMD_WRTQOSCON_START) >> 2].rtqoscon;
1793 case FIMD_I80IFCMD_START ... FIMD_I80IFCMD_END:
1794 return s->i80ifcmd[(offset - FIMD_I80IFCMD_START) >> 2];
1795 case FIMD_VIDW0ADD0_B2 ... FIMD_VIDW4ADD0_B2:
1796 if (offset & 0x0004) {
1797 break;
1798 }
1799 return s->window[(offset - FIMD_VIDW0ADD0_B2) >> 3].buf_start[2];
1800 case FIMD_SHD_ADD0_START ... FIMD_SHD_ADD0_END:
1801 if (offset & 0x0004) {
1802 break;
1803 }
1804 return s->window[(offset - FIMD_SHD_ADD0_START) >> 3].shadow_buf_start;
1805 case FIMD_SHD_ADD1_START ... FIMD_SHD_ADD1_END:
1806 if (offset & 0x0004) {
1807 break;
1808 }
1809 return s->window[(offset - FIMD_SHD_ADD1_START) >> 3].shadow_buf_end;
1810 case FIMD_SHD_ADD2_START ... FIMD_SHD_ADD2_END:
1811 return s->window[(offset - FIMD_SHD_ADD2_START) >> 2].shadow_buf_size;
1812 case FIMD_PAL_MEM_START ... FIMD_PAL_MEM_END:
1813 w = (offset - FIMD_PAL_MEM_START) >> 10;
1814 i = ((offset - FIMD_PAL_MEM_START) >> 2) & 0xFF;
1815 return s->window[w].palette[i];
1816 case FIMD_PALMEM_AL_START ... FIMD_PALMEM_AL_END:
1817 /* Palette aliases for win 0,1 */
1818 w = (offset - FIMD_PALMEM_AL_START) >> 10;
1819 i = ((offset - FIMD_PALMEM_AL_START) >> 2) & 0xFF;
1820 return s->window[w].palette[i];
1821 }
1822
1823 qemu_log_mask(LOG_GUEST_ERROR,
1824 "FIMD: bad read offset 0x%08"HWADDR_PRIx"\n", offset);
1825 return 0xBAADBAAD;
1826 }
1827
1828 static const MemoryRegionOps exynos4210_fimd_mmio_ops = {
1829 .read = exynos4210_fimd_read,
1830 .write = exynos4210_fimd_write,
1831 .valid = {
1832 .min_access_size = 4,
1833 .max_access_size = 4,
1834 .unaligned = false
1835 },
1836 .endianness = DEVICE_NATIVE_ENDIAN,
1837 };
1838
1839 static int exynos4210_fimd_load(void *opaque, int version_id)
1840 {
1841 Exynos4210fimdState *s = (Exynos4210fimdState *)opaque;
1842 int w;
1843
1844 if (version_id != 1) {
1845 return -EINVAL;
1846 }
1847
1848 for (w = 0; w < NUM_OF_WINDOWS; w++) {
1849 exynos4210_fimd_update_win_bppmode(s, w);
1850 fimd_update_get_alpha(s, w);
1851 fimd_update_memory_section(s, w);
1852 }
1853
1854 /* Redraw the whole screen */
1855 exynos4210_update_resolution(s);
1856 exynos4210_fimd_invalidate(s);
1857 exynos4210_fimd_enable(s, (s->vidcon[0] & FIMD_VIDCON0_ENVID_MASK) ==
1858 FIMD_VIDCON0_ENVID_MASK);
1859 return 0;
1860 }
1861
1862 static const VMStateDescription exynos4210_fimd_window_vmstate = {
1863 .name = "exynos4210.fimd_window",
1864 .version_id = 1,
1865 .minimum_version_id = 1,
1866 .fields = (VMStateField[]) {
1867 VMSTATE_UINT32(wincon, Exynos4210fimdWindow),
1868 VMSTATE_UINT32_ARRAY(buf_start, Exynos4210fimdWindow, 3),
1869 VMSTATE_UINT32_ARRAY(buf_end, Exynos4210fimdWindow, 3),
1870 VMSTATE_UINT32_ARRAY(keycon, Exynos4210fimdWindow, 2),
1871 VMSTATE_UINT32(keyalpha, Exynos4210fimdWindow),
1872 VMSTATE_UINT32(winmap, Exynos4210fimdWindow),
1873 VMSTATE_UINT32(blendeq, Exynos4210fimdWindow),
1874 VMSTATE_UINT32(rtqoscon, Exynos4210fimdWindow),
1875 VMSTATE_UINT32_ARRAY(palette, Exynos4210fimdWindow, 256),
1876 VMSTATE_UINT32(shadow_buf_start, Exynos4210fimdWindow),
1877 VMSTATE_UINT32(shadow_buf_end, Exynos4210fimdWindow),
1878 VMSTATE_UINT32(shadow_buf_size, Exynos4210fimdWindow),
1879 VMSTATE_UINT16(lefttop_x, Exynos4210fimdWindow),
1880 VMSTATE_UINT16(lefttop_y, Exynos4210fimdWindow),
1881 VMSTATE_UINT16(rightbot_x, Exynos4210fimdWindow),
1882 VMSTATE_UINT16(rightbot_y, Exynos4210fimdWindow),
1883 VMSTATE_UINT32(osdsize, Exynos4210fimdWindow),
1884 VMSTATE_UINT32_ARRAY(alpha_val, Exynos4210fimdWindow, 2),
1885 VMSTATE_UINT16(virtpage_width, Exynos4210fimdWindow),
1886 VMSTATE_UINT16(virtpage_offsize, Exynos4210fimdWindow),
1887 VMSTATE_END_OF_LIST()
1888 }
1889 };
1890
1891 static const VMStateDescription exynos4210_fimd_vmstate = {
1892 .name = "exynos4210.fimd",
1893 .version_id = 1,
1894 .minimum_version_id = 1,
1895 .post_load = exynos4210_fimd_load,
1896 .fields = (VMStateField[]) {
1897 VMSTATE_UINT32_ARRAY(vidcon, Exynos4210fimdState, 4),
1898 VMSTATE_UINT32_ARRAY(vidtcon, Exynos4210fimdState, 4),
1899 VMSTATE_UINT32(shadowcon, Exynos4210fimdState),
1900 VMSTATE_UINT32(winchmap, Exynos4210fimdState),
1901 VMSTATE_UINT32_ARRAY(vidintcon, Exynos4210fimdState, 2),
1902 VMSTATE_UINT32(dithmode, Exynos4210fimdState),
1903 VMSTATE_UINT32_ARRAY(wpalcon, Exynos4210fimdState, 2),
1904 VMSTATE_UINT32(trigcon, Exynos4210fimdState),
1905 VMSTATE_UINT32_ARRAY(i80ifcon, Exynos4210fimdState, 4),
1906 VMSTATE_UINT32(colorgaincon, Exynos4210fimdState),
1907 VMSTATE_UINT32_ARRAY(ldi_cmdcon, Exynos4210fimdState, 2),
1908 VMSTATE_UINT32_ARRAY(sifccon, Exynos4210fimdState, 3),
1909 VMSTATE_UINT32_ARRAY(huecoef_cr, Exynos4210fimdState, 4),
1910 VMSTATE_UINT32_ARRAY(huecoef_cb, Exynos4210fimdState, 4),
1911 VMSTATE_UINT32(hueoffset, Exynos4210fimdState),
1912 VMSTATE_UINT32_ARRAY(i80ifcmd, Exynos4210fimdState, 12),
1913 VMSTATE_UINT32(blendcon, Exynos4210fimdState),
1914 VMSTATE_STRUCT_ARRAY(window, Exynos4210fimdState, 5, 1,
1915 exynos4210_fimd_window_vmstate, Exynos4210fimdWindow),
1916 VMSTATE_END_OF_LIST()
1917 }
1918 };
1919
1920 static const GraphicHwOps exynos4210_fimd_ops = {
1921 .invalidate = exynos4210_fimd_invalidate,
1922 .gfx_update = exynos4210_fimd_update,
1923 };
1924
1925 static void exynos4210_fimd_init(Object *obj)
1926 {
1927 Exynos4210fimdState *s = EXYNOS4210_FIMD(obj);
1928 SysBusDevice *dev = SYS_BUS_DEVICE(obj);
1929
1930 s->ifb = NULL;
1931
1932 sysbus_init_irq(dev, &s->irq[0]);
1933 sysbus_init_irq(dev, &s->irq[1]);
1934 sysbus_init_irq(dev, &s->irq[2]);
1935
1936 memory_region_init_io(&s->iomem, obj, &exynos4210_fimd_mmio_ops, s,
1937 "exynos4210.fimd", FIMD_REGS_SIZE);
1938 sysbus_init_mmio(dev, &s->iomem);
1939 }
1940
1941 static void exynos4210_fimd_realize(DeviceState *dev, Error **errp)
1942 {
1943 Exynos4210fimdState *s = EXYNOS4210_FIMD(dev);
1944
1945 s->console = graphic_console_init(dev, 0, &exynos4210_fimd_ops, s);
1946 }
1947
1948 static void exynos4210_fimd_class_init(ObjectClass *klass, void *data)
1949 {
1950 DeviceClass *dc = DEVICE_CLASS(klass);
1951
1952 dc->vmsd = &exynos4210_fimd_vmstate;
1953 dc->reset = exynos4210_fimd_reset;
1954 dc->realize = exynos4210_fimd_realize;
1955 }
1956
1957 static const TypeInfo exynos4210_fimd_info = {
1958 .name = TYPE_EXYNOS4210_FIMD,
1959 .parent = TYPE_SYS_BUS_DEVICE,
1960 .instance_size = sizeof(Exynos4210fimdState),
1961 .instance_init = exynos4210_fimd_init,
1962 .class_init = exynos4210_fimd_class_init,
1963 };
1964
1965 static void exynos4210_fimd_register_types(void)
1966 {
1967 type_register_static(&exynos4210_fimd_info);
1968 }
1969
1970 type_init(exynos4210_fimd_register_types)
AR7 emulation for QEMU