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Merge tag 'pull-riscv-to-apply-20240806-2' of https://github.com/alistair23/qemu...
[qemu/kevin.git] / hw / display / exynos4210_fimd.c
blob5712558e13d2996df705c5b9929e22e745a08cdc
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/qdev-properties.h"
27 #include "hw/hw.h"
28 #include "hw/irq.h"
29 #include "hw/sysbus.h"
30 #include "migration/vmstate.h"
31 #include "ui/console.h"
32 #include "ui/pixel_ops.h"
33 #include "qemu/bswap.h"
34 #include "qemu/module.h"
35 #include "qemu/log.h"
36 #include "qapi/error.h"
37 #include "qom/object.h"
38
39 /* Debug messages configuration */
40 #define EXYNOS4210_FIMD_DEBUG 0
41 #define EXYNOS4210_FIMD_MODE_TRACE 0
42
43 #if EXYNOS4210_FIMD_DEBUG == 0
44 #define DPRINT_L1(fmt, args...) do { } while (0)
45 #define DPRINT_L2(fmt, args...) do { } while (0)
46 #elif EXYNOS4210_FIMD_DEBUG == 1
47 #define DPRINT_L1(fmt, args...) \
48 do {fprintf(stderr, "QEMU FIMD: "fmt, ## args); } while (0)
49 #define DPRINT_L2(fmt, args...) do { } while (0)
50 #else
51 #define DPRINT_L1(fmt, args...) \
52 do {fprintf(stderr, "QEMU FIMD: "fmt, ## args); } while (0)
53 #define DPRINT_L2(fmt, args...) \
54 do {fprintf(stderr, "QEMU FIMD: "fmt, ## args); } while (0)
55 #endif
56
57 #if EXYNOS4210_FIMD_MODE_TRACE == 0
58 #define DPRINT_TRACE(fmt, args...) do { } while (0)
59 #else
60 #define DPRINT_TRACE(fmt, args...) \
61 do {fprintf(stderr, "QEMU FIMD: "fmt, ## args); } while (0)
62 #endif
63
64 #define NUM_OF_WINDOWS 5
65 #define FIMD_REGS_SIZE 0x4114
66
67 /* Video main control registers */
68 #define FIMD_VIDCON0 0x0000
69 #define FIMD_VIDCON1 0x0004
70 #define FIMD_VIDCON2 0x0008
71 #define FIMD_VIDCON3 0x000C
72 #define FIMD_VIDCON0_ENVID_F (1 << 0)
73 #define FIMD_VIDCON0_ENVID (1 << 1)
74 #define FIMD_VIDCON0_ENVID_MASK ((1 << 0) | (1 << 1))
75 #define FIMD_VIDCON1_ROMASK 0x07FFE000
76
77 /* Video time control registers */
78 #define FIMD_VIDTCON_START 0x10
79 #define FIMD_VIDTCON_END 0x1C
80 #define FIMD_VIDTCON2_SIZE_MASK 0x07FF
81 #define FIMD_VIDTCON2_HOR_SHIFT 0
82 #define FIMD_VIDTCON2_VER_SHIFT 11
83
84 /* Window control registers */
85 #define FIMD_WINCON_START 0x0020
86 #define FIMD_WINCON_END 0x0030
87 #define FIMD_WINCON_ROMASK 0x82200000
88 #define FIMD_WINCON_ENWIN (1 << 0)
89 #define FIMD_WINCON_BLD_PIX (1 << 6)
90 #define FIMD_WINCON_ALPHA_MUL (1 << 7)
91 #define FIMD_WINCON_ALPHA_SEL (1 << 1)
92 #define FIMD_WINCON_SWAP 0x078000
93 #define FIMD_WINCON_SWAP_SHIFT 15
94 #define FIMD_WINCON_SWAP_WORD 0x1
95 #define FIMD_WINCON_SWAP_HWORD 0x2
96 #define FIMD_WINCON_SWAP_BYTE 0x4
97 #define FIMD_WINCON_SWAP_BITS 0x8
98 #define FIMD_WINCON_BUFSTAT_L (1 << 21)
99 #define FIMD_WINCON_BUFSTAT_H (1 << 31)
100 #define FIMD_WINCON_BUFSTATUS ((1 << 21) | (1 << 31))
101 #define FIMD_WINCON_BUF0_STAT ((0 << 21) | (0 << 31))
102 #define FIMD_WINCON_BUF1_STAT ((1 << 21) | (0 << 31))
103 #define FIMD_WINCON_BUF2_STAT ((0 << 21) | (1U << 31))
104 #define FIMD_WINCON_BUFSELECT ((1 << 20) | (1 << 30))
105 #define FIMD_WINCON_BUF0_SEL ((0 << 20) | (0 << 30))
106 #define FIMD_WINCON_BUF1_SEL ((1 << 20) | (0 << 30))
107 #define FIMD_WINCON_BUF2_SEL ((0 << 20) | (1 << 30))
108 #define FIMD_WINCON_BUFMODE (1 << 14)
109 #define IS_PALETTIZED_MODE(w) (w->wincon & 0xC)
110 #define PAL_MODE_WITH_ALPHA(x) ((x) == 7)
111 #define WIN_BPP_MODE(w) ((w->wincon >> 2) & 0xF)
112 #define WIN_BPP_MODE_WITH_ALPHA(w) \
113 (WIN_BPP_MODE(w) == 0xD || WIN_BPP_MODE(w) == 0xE)
114
115 /* Shadow control register */
116 #define FIMD_SHADOWCON 0x0034
117 #define FIMD_WINDOW_PROTECTED(s, w) ((s) & (1 << (10 + (w))))
118 /* Channel mapping control register */
119 #define FIMD_WINCHMAP 0x003C
120
121 /* Window position control registers */
122 #define FIMD_VIDOSD_START 0x0040
123 #define FIMD_VIDOSD_END 0x0088
124 #define FIMD_VIDOSD_COORD_MASK 0x07FF
125 #define FIMD_VIDOSD_HOR_SHIFT 11
126 #define FIMD_VIDOSD_VER_SHIFT 0
127 #define FIMD_VIDOSD_ALPHA_AEN0 0xFFF000
128 #define FIMD_VIDOSD_AEN0_SHIFT 12
129 #define FIMD_VIDOSD_ALPHA_AEN1 0x000FFF
130
131 /* Frame buffer address registers */
132 #define FIMD_VIDWADD0_START 0x00A0
133 #define FIMD_VIDWADD0_END 0x00C4
134 #define FIMD_VIDWADD0_END 0x00C4
135 #define FIMD_VIDWADD1_START 0x00D0
136 #define FIMD_VIDWADD1_END 0x00F4
137 #define FIMD_VIDWADD2_START 0x0100
138 #define FIMD_VIDWADD2_END 0x0110
139 #define FIMD_VIDWADD2_PAGEWIDTH 0x1FFF
140 #define FIMD_VIDWADD2_OFFSIZE 0x1FFF
141 #define FIMD_VIDWADD2_OFFSIZE_SHIFT 13
142 #define FIMD_VIDW0ADD0_B2 0x20A0
143 #define FIMD_VIDW4ADD0_B2 0x20C0
144
145 /* Video interrupt control registers */
146 #define FIMD_VIDINTCON0 0x130
147 #define FIMD_VIDINTCON1 0x134
148
149 /* Window color key registers */
150 #define FIMD_WKEYCON_START 0x140
151 #define FIMD_WKEYCON_END 0x15C
152 #define FIMD_WKEYCON0_COMPKEY 0x00FFFFFF
153 #define FIMD_WKEYCON0_CTL_SHIFT 24
154 #define FIMD_WKEYCON0_DIRCON (1 << 24)
155 #define FIMD_WKEYCON0_KEYEN (1 << 25)
156 #define FIMD_WKEYCON0_KEYBLEN (1 << 26)
157 /* Window color key alpha control register */
158 #define FIMD_WKEYALPHA_START 0x160
159 #define FIMD_WKEYALPHA_END 0x16C
160
161 /* Dithering control register */
162 #define FIMD_DITHMODE 0x170
163
164 /* Window alpha control registers */
165 #define FIMD_VIDALPHA_ALPHA_LOWER 0x000F0F0F
166 #define FIMD_VIDALPHA_ALPHA_UPPER 0x00F0F0F0
167 #define FIMD_VIDWALPHA_START 0x21C
168 #define FIMD_VIDWALPHA_END 0x240
169
170 /* Window color map registers */
171 #define FIMD_WINMAP_START 0x180
172 #define FIMD_WINMAP_END 0x190
173 #define FIMD_WINMAP_EN (1 << 24)
174 #define FIMD_WINMAP_COLOR_MASK 0x00FFFFFF
175
176 /* Window palette control registers */
177 #define FIMD_WPALCON_HIGH 0x019C
178 #define FIMD_WPALCON_LOW 0x01A0
179 #define FIMD_WPALCON_UPDATEEN (1 << 9)
180 #define FIMD_WPAL_W0PAL_L 0x07
181 #define FIMD_WPAL_W0PAL_L_SHT 0
182 #define FIMD_WPAL_W1PAL_L 0x07
183 #define FIMD_WPAL_W1PAL_L_SHT 3
184 #define FIMD_WPAL_W2PAL_L 0x01
185 #define FIMD_WPAL_W2PAL_L_SHT 6
186 #define FIMD_WPAL_W2PAL_H 0x06
187 #define FIMD_WPAL_W2PAL_H_SHT 8
188 #define FIMD_WPAL_W3PAL_L 0x01
189 #define FIMD_WPAL_W3PAL_L_SHT 7
190 #define FIMD_WPAL_W3PAL_H 0x06
191 #define FIMD_WPAL_W3PAL_H_SHT 12
192 #define FIMD_WPAL_W4PAL_L 0x01
193 #define FIMD_WPAL_W4PAL_L_SHT 8
194 #define FIMD_WPAL_W4PAL_H 0x06
195 #define FIMD_WPAL_W4PAL_H_SHT 16
196
197 /* Trigger control registers */
198 #define FIMD_TRIGCON 0x01A4
199 #define FIMD_TRIGCON_ROMASK 0x00000004
200
201 /* LCD I80 Interface Control */
202 #define FIMD_I80IFCON_START 0x01B0
203 #define FIMD_I80IFCON_END 0x01BC
204 /* Color gain control register */
205 #define FIMD_COLORGAINCON 0x01C0
206 /* LCD i80 Interface Command Control */
207 #define FIMD_LDI_CMDCON0 0x01D0
208 #define FIMD_LDI_CMDCON1 0x01D4
209 /* I80 System Interface Manual Command Control */
210 #define FIMD_SIFCCON0 0x01E0
211 #define FIMD_SIFCCON2 0x01E8
212
213 /* Hue Control Registers */
214 #define FIMD_HUECOEFCR_START 0x01EC
215 #define FIMD_HUECOEFCR_END 0x01F4
216 #define FIMD_HUECOEFCB_START 0x01FC
217 #define FIMD_HUECOEFCB_END 0x0208
218 #define FIMD_HUEOFFSET 0x020C
219
220 /* Video interrupt control registers */
221 #define FIMD_VIDINT_INTFIFOPEND (1 << 0)
222 #define FIMD_VIDINT_INTFRMPEND (1 << 1)
223 #define FIMD_VIDINT_INTI80PEND (1 << 2)
224 #define FIMD_VIDINT_INTEN (1 << 0)
225 #define FIMD_VIDINT_INTFIFOEN (1 << 1)
226 #define FIMD_VIDINT_INTFRMEN (1 << 12)
227 #define FIMD_VIDINT_I80IFDONE (1 << 17)
228
229 /* Window blend equation control registers */
230 #define FIMD_BLENDEQ_START 0x0244
231 #define FIMD_BLENDEQ_END 0x0250
232 #define FIMD_BLENDCON 0x0260
233 #define FIMD_ALPHA_8BIT (1 << 0)
234 #define FIMD_BLENDEQ_COEF_MASK 0xF
235
236 /* Window RTQOS Control Registers */
237 #define FIMD_WRTQOSCON_START 0x0264
238 #define FIMD_WRTQOSCON_END 0x0274
239
240 /* LCD I80 Interface Command */
241 #define FIMD_I80IFCMD_START 0x0280
242 #define FIMD_I80IFCMD_END 0x02AC
243
244 /* Shadow windows control registers */
245 #define FIMD_SHD_ADD0_START 0x40A0
246 #define FIMD_SHD_ADD0_END 0x40C0
247 #define FIMD_SHD_ADD1_START 0x40D0
248 #define FIMD_SHD_ADD1_END 0x40F0
249 #define FIMD_SHD_ADD2_START 0x4100
250 #define FIMD_SHD_ADD2_END 0x4110
251
252 /* Palette memory */
253 #define FIMD_PAL_MEM_START 0x2400
254 #define FIMD_PAL_MEM_END 0x37FC
255 /* Palette memory aliases for windows 0 and 1 */
256 #define FIMD_PALMEM_AL_START 0x0400
257 #define FIMD_PALMEM_AL_END 0x0BFC
258
259 typedef struct {
260 uint8_t r, g, b;
261 /* D[31..24]dummy, D[23..16]rAlpha, D[15..8]gAlpha, D[7..0]bAlpha */
262 uint32_t a;
263 } rgba;
264 #define RGBA_SIZE 7
265
266 typedef void pixel_to_rgb_func(uint32_t pixel, rgba *p);
267 typedef struct Exynos4210fimdWindow Exynos4210fimdWindow;
268
269 struct Exynos4210fimdWindow {
270 uint32_t wincon; /* Window control register */
271 uint32_t buf_start[3]; /* Start address for video frame buffer */
272 uint32_t buf_end[3]; /* End address for video frame buffer */
273 uint32_t keycon[2]; /* Window color key registers */
274 uint32_t keyalpha; /* Color key alpha control register */
275 uint32_t winmap; /* Window color map register */
276 uint32_t blendeq; /* Window blending equation control register */
277 uint32_t rtqoscon; /* Window RTQOS Control Registers */
278 uint32_t palette[256]; /* Palette RAM */
279 uint32_t shadow_buf_start; /* Start address of shadow frame buffer */
280 uint32_t shadow_buf_end; /* End address of shadow frame buffer */
281 uint32_t shadow_buf_size; /* Virtual shadow screen width */
282
283 pixel_to_rgb_func *pixel_to_rgb;
284 void (*draw_line)(Exynos4210fimdWindow *w, uint8_t *src, uint8_t *dst,
285 bool blend);
286 uint32_t (*get_alpha)(Exynos4210fimdWindow *w, uint32_t pix_a);
287 uint16_t lefttop_x, lefttop_y; /* VIDOSD0 register */
288 uint16_t rightbot_x, rightbot_y; /* VIDOSD1 register */
289 uint32_t osdsize; /* VIDOSD2&3 register */
290 uint32_t alpha_val[2]; /* VIDOSD2&3, VIDWALPHA registers */
291 uint16_t virtpage_width; /* VIDWADD2 register */
292 uint16_t virtpage_offsize; /* VIDWADD2 register */
293 MemoryRegionSection mem_section; /* RAM fragment containing framebuffer */
294 uint8_t *host_fb_addr; /* Host pointer to window's framebuffer */
295 hwaddr fb_len; /* Framebuffer length */
296 };
297
298 #define TYPE_EXYNOS4210_FIMD "exynos4210.fimd"
299 OBJECT_DECLARE_SIMPLE_TYPE(Exynos4210fimdState, EXYNOS4210_FIMD)
300
301 struct Exynos4210fimdState {
302 SysBusDevice parent_obj;
303
304 MemoryRegion iomem;
305 QemuConsole *console;
306 qemu_irq irq[3];
307 MemoryRegion *fbmem;
308
309 uint32_t vidcon[4]; /* Video main control registers 0-3 */
310 uint32_t vidtcon[4]; /* Video time control registers 0-3 */
311 uint32_t shadowcon; /* Window shadow control register */
312 uint32_t winchmap; /* Channel mapping control register */
313 uint32_t vidintcon[2]; /* Video interrupt control registers */
314 uint32_t dithmode; /* Dithering control register */
315 uint32_t wpalcon[2]; /* Window palette control registers */
316 uint32_t trigcon; /* Trigger control register */
317 uint32_t i80ifcon[4]; /* I80 interface control registers */
318 uint32_t colorgaincon; /* Color gain control register */
319 uint32_t ldi_cmdcon[2]; /* LCD I80 interface command control */
320 uint32_t sifccon[3]; /* I80 System Interface Manual Command Control */
321 uint32_t huecoef_cr[4]; /* Hue control registers */
322 uint32_t huecoef_cb[4]; /* Hue control registers */
323 uint32_t hueoffset; /* Hue offset control register */
324 uint32_t blendcon; /* Blending control register */
325 uint32_t i80ifcmd[12]; /* LCD I80 Interface Command */
326
327 Exynos4210fimdWindow window[5]; /* Window-specific registers */
328 uint8_t *ifb; /* Internal frame buffer */
329 bool invalidate; /* Image needs to be redrawn */
330 bool enabled; /* Display controller is enabled */
331 };
332
333 /* Perform byte/halfword/word swap of data according to WINCON */
334 static inline void fimd_swap_data(unsigned int swap_ctl, uint64_t *data)
335 {
336 int i;
337 uint64_t res;
338 uint64_t x = *data;
339
340 if (swap_ctl & FIMD_WINCON_SWAP_BITS) {
341 res = 0;
342 for (i = 0; i < 64; i++) {
343 if (x & (1ULL << (63 - i))) {
344 res |= (1ULL << i);
345 }
346 }
347 x = res;
348 }
349
350 if (swap_ctl & FIMD_WINCON_SWAP_BYTE) {
351 x = bswap64(x);
352 }
353
354 if (swap_ctl & FIMD_WINCON_SWAP_HWORD) {
355 x = ((x & 0x000000000000FFFFULL) << 48) |
356 ((x & 0x00000000FFFF0000ULL) << 16) |
357 ((x & 0x0000FFFF00000000ULL) >> 16) |
358 ((x & 0xFFFF000000000000ULL) >> 48);
359 }
360
361 if (swap_ctl & FIMD_WINCON_SWAP_WORD) {
362 x = ((x & 0x00000000FFFFFFFFULL) << 32) |
363 ((x & 0xFFFFFFFF00000000ULL) >> 32);
364 }
365
366 *data = x;
367 }
368
369 /* Conversion routines of Pixel data from frame buffer area to internal RGBA
370 * pixel representation.
371 * Every color component internally represented as 8-bit value. If original
372 * data has less than 8 bit for component, data is extended to 8 bit. For
373 * example, if blue component has only two possible values 0 and 1 it will be
374 * extended to 0 and 0xFF */
375
376 /* One bit for alpha representation */
377 #define DEF_PIXEL_TO_RGB_A1(N, R, G, B) \
378 static void N(uint32_t pixel, rgba *p) \
379 { \
380 p->b = ((pixel & ((1 << (B)) - 1)) << (8 - (B))) | \
381 ((pixel >> (2 * (B) - 8)) & ((1 << (8 - (B))) - 1)); \
382 pixel >>= (B); \
383 p->g = (pixel & ((1 << (G)) - 1)) << (8 - (G)) | \
384 ((pixel >> (2 * (G) - 8)) & ((1 << (8 - (G))) - 1)); \
385 pixel >>= (G); \
386 p->r = (pixel & ((1 << (R)) - 1)) << (8 - (R)) | \
387 ((pixel >> (2 * (R) - 8)) & ((1 << (8 - (R))) - 1)); \
388 pixel >>= (R); \
389 p->a = (pixel & 0x1); \
390 }
391
392 DEF_PIXEL_TO_RGB_A1(pixel_a444_to_rgb, 4, 4, 4)
393 DEF_PIXEL_TO_RGB_A1(pixel_a555_to_rgb, 5, 5, 5)
394 DEF_PIXEL_TO_RGB_A1(pixel_a666_to_rgb, 6, 6, 6)
395 DEF_PIXEL_TO_RGB_A1(pixel_a665_to_rgb, 6, 6, 5)
396 DEF_PIXEL_TO_RGB_A1(pixel_a888_to_rgb, 8, 8, 8)
397 DEF_PIXEL_TO_RGB_A1(pixel_a887_to_rgb, 8, 8, 7)
398
399 /* Alpha component is always zero */
400 #define DEF_PIXEL_TO_RGB_A0(N, R, G, B) \
401 static void N(uint32_t pixel, rgba *p) \
402 { \
403 p->b = ((pixel & ((1 << (B)) - 1)) << (8 - (B))) | \
404 ((pixel >> (2 * (B) - 8)) & ((1 << (8 - (B))) - 1)); \
405 pixel >>= (B); \
406 p->g = (pixel & ((1 << (G)) - 1)) << (8 - (G)) | \
407 ((pixel >> (2 * (G) - 8)) & ((1 << (8 - (G))) - 1)); \
408 pixel >>= (G); \
409 p->r = (pixel & ((1 << (R)) - 1)) << (8 - (R)) | \
410 ((pixel >> (2 * (R) - 8)) & ((1 << (8 - (R))) - 1)); \
411 p->a = 0x0; \
412 }
413
414 DEF_PIXEL_TO_RGB_A0(pixel_565_to_rgb, 5, 6, 5)
415 DEF_PIXEL_TO_RGB_A0(pixel_555_to_rgb, 5, 5, 5)
416 DEF_PIXEL_TO_RGB_A0(pixel_666_to_rgb, 6, 6, 6)
417 DEF_PIXEL_TO_RGB_A0(pixel_888_to_rgb, 8, 8, 8)
418
419 /* Alpha component has some meaningful value */
420 #define DEF_PIXEL_TO_RGB_A(N, R, G, B, A) \
421 static void N(uint32_t pixel, rgba *p) \
422 { \
423 p->b = ((pixel & ((1 << (B)) - 1)) << (8 - (B))) | \
424 ((pixel >> (2 * (B) - 8)) & ((1 << (8 - (B))) - 1)); \
425 pixel >>= (B); \
426 p->g = (pixel & ((1 << (G)) - 1)) << (8 - (G)) | \
427 ((pixel >> (2 * (G) - 8)) & ((1 << (8 - (G))) - 1)); \
428 pixel >>= (G); \
429 p->r = (pixel & ((1 << (R)) - 1)) << (8 - (R)) | \
430 ((pixel >> (2 * (R) - 8)) & ((1 << (8 - (R))) - 1)); \
431 pixel >>= (R); \
432 p->a = (pixel & ((1 << (A)) - 1)) << (8 - (A)) | \
433 ((pixel >> (2 * (A) - 8)) & ((1 << (8 - (A))) - 1)); \
434 p->a = p->a | (p->a << 8) | (p->a << 16); \
435 }
436
437 DEF_PIXEL_TO_RGB_A(pixel_4444_to_rgb, 4, 4, 4, 4)
438 DEF_PIXEL_TO_RGB_A(pixel_8888_to_rgb, 8, 8, 8, 8)
439
440 /* Lookup table to extent 2-bit color component to 8 bit */
441 static const uint8_t pixel_lutable_2b[4] = {
442 0x0, 0x55, 0xAA, 0xFF
443 };
444 /* Lookup table to extent 3-bit color component to 8 bit */
445 static const uint8_t pixel_lutable_3b[8] = {
446 0x0, 0x24, 0x49, 0x6D, 0x92, 0xB6, 0xDB, 0xFF
447 };
448 /* Special case for a232 bpp mode */
449 static void pixel_a232_to_rgb(uint32_t pixel, rgba *p)
450 {
451 p->b = pixel_lutable_2b[(pixel & 0x3)];
452 pixel >>= 2;
453 p->g = pixel_lutable_3b[(pixel & 0x7)];
454 pixel >>= 3;
455 p->r = pixel_lutable_2b[(pixel & 0x3)];
456 pixel >>= 2;
457 p->a = (pixel & 0x1);
458 }
459
460 /* Special case for (5+1, 5+1, 5+1) mode. Data bit 15 is common LSB
461 * for all three color components */
462 static void pixel_1555_to_rgb(uint32_t pixel, rgba *p)
463 {
464 uint8_t comm = (pixel >> 15) & 1;
465 p->b = ((((pixel & 0x1F) << 1) | comm) << 2) | ((pixel >> 3) & 0x3);
466 pixel >>= 5;
467 p->g = ((((pixel & 0x1F) << 1) | comm) << 2) | ((pixel >> 3) & 0x3);
468 pixel >>= 5;
469 p->r = ((((pixel & 0x1F) << 1) | comm) << 2) | ((pixel >> 3) & 0x3);
470 p->a = 0x0;
471 }
472
473 /* Put/get pixel to/from internal LCD Controller framebuffer */
474
475 static int put_pixel_ifb(const rgba p, uint8_t *d)
476 {
477 *(uint8_t *)d++ = p.r;
478 *(uint8_t *)d++ = p.g;
479 *(uint8_t *)d++ = p.b;
480 *(uint32_t *)d = p.a;
481 return RGBA_SIZE;
482 }
483
484 static int get_pixel_ifb(const uint8_t *s, rgba *p)
485 {
486 p->r = *(uint8_t *)s++;
487 p->g = *(uint8_t *)s++;
488 p->b = *(uint8_t *)s++;
489 p->a = (*(uint32_t *)s) & 0x00FFFFFF;
490 return RGBA_SIZE;
491 }
492
493 static pixel_to_rgb_func *palette_data_format[8] = {
494 [0] = pixel_565_to_rgb,
495 [1] = pixel_a555_to_rgb,
496 [2] = pixel_666_to_rgb,
497 [3] = pixel_a665_to_rgb,
498 [4] = pixel_a666_to_rgb,
499 [5] = pixel_888_to_rgb,
500 [6] = pixel_a888_to_rgb,
501 [7] = pixel_8888_to_rgb
502 };
503
504 /* Returns Index in palette data formats table for given window number WINDOW */
505 static uint32_t
506 exynos4210_fimd_palette_format(Exynos4210fimdState *s, int window)
507 {
508 uint32_t ret;
509
510 switch (window) {
511 case 0:
512 ret = (s->wpalcon[1] >> FIMD_WPAL_W0PAL_L_SHT) & FIMD_WPAL_W0PAL_L;
513 if (ret != 7) {
514 ret = 6 - ret;
515 }
516 break;
517 case 1:
518 ret = (s->wpalcon[1] >> FIMD_WPAL_W1PAL_L_SHT) & FIMD_WPAL_W1PAL_L;
519 if (ret != 7) {
520 ret = 6 - ret;
521 }
522 break;
523 case 2:
524 ret = ((s->wpalcon[0] >> FIMD_WPAL_W2PAL_H_SHT) & FIMD_WPAL_W2PAL_H) |
525 ((s->wpalcon[1] >> FIMD_WPAL_W2PAL_L_SHT) & FIMD_WPAL_W2PAL_L);
526 break;
527 case 3:
528 ret = ((s->wpalcon[0] >> FIMD_WPAL_W3PAL_H_SHT) & FIMD_WPAL_W3PAL_H) |
529 ((s->wpalcon[1] >> FIMD_WPAL_W3PAL_L_SHT) & FIMD_WPAL_W3PAL_L);
530 break;
531 case 4:
532 ret = ((s->wpalcon[0] >> FIMD_WPAL_W4PAL_H_SHT) & FIMD_WPAL_W4PAL_H) |
533 ((s->wpalcon[1] >> FIMD_WPAL_W4PAL_L_SHT) & FIMD_WPAL_W4PAL_L);
534 break;
535 default:
536 hw_error("exynos4210.fimd: incorrect window number %d\n", window);
537 ret = 0;
538 break;
539 }
540 return ret;
541 }
542
543 #define FIMD_1_MINUS_COLOR(x) \
544 ((0xFF - ((x) & 0xFF)) | (0xFF00 - ((x) & 0xFF00)) | \
545 (0xFF0000 - ((x) & 0xFF0000)))
546 #define EXTEND_LOWER_HALFBYTE(x) (((x) & 0xF0F0F) | (((x) << 4) & 0xF0F0F0))
547 #define EXTEND_UPPER_HALFBYTE(x) (((x) & 0xF0F0F0) | (((x) >> 4) & 0xF0F0F))
548
549 /* Multiply three lower bytes of two 32-bit words with each other.
550 * Each byte with values 0-255 is considered as a number with possible values
551 * in a range [0 - 1] */
552 static inline uint32_t fimd_mult_each_byte(uint32_t a, uint32_t b)
553 {
554 uint32_t tmp;
555 uint32_t ret;
556
557 ret = ((tmp = (((a & 0xFF) * (b & 0xFF)) / 0xFF)) > 0xFF) ? 0xFF : tmp;
558 ret |= ((tmp = ((((a >> 8) & 0xFF) * ((b >> 8) & 0xFF)) / 0xFF)) > 0xFF) ?
559 0xFF00 : tmp << 8;
560 ret |= ((tmp = ((((a >> 16) & 0xFF) * ((b >> 16) & 0xFF)) / 0xFF)) > 0xFF) ?
561 0xFF0000 : tmp << 16;
562 return ret;
563 }
564
565 /* For each corresponding bytes of two 32-bit words: (a*b + c*d)
566 * Byte values 0-255 are mapped to a range [0 .. 1] */
567 static inline uint32_t
568 fimd_mult_and_sum_each_byte(uint32_t a, uint32_t b, uint32_t c, uint32_t d)
569 {
570 uint32_t tmp;
571 uint32_t ret;
572
573 ret = ((tmp = (((a & 0xFF) * (b & 0xFF) + (c & 0xFF) * (d & 0xFF)) / 0xFF))
574 > 0xFF) ? 0xFF : tmp;
575 ret |= ((tmp = ((((a >> 8) & 0xFF) * ((b >> 8) & 0xFF) + ((c >> 8) & 0xFF) *
576 ((d >> 8) & 0xFF)) / 0xFF)) > 0xFF) ? 0xFF00 : tmp << 8;
577 ret |= ((tmp = ((((a >> 16) & 0xFF) * ((b >> 16) & 0xFF) +
578 ((c >> 16) & 0xFF) * ((d >> 16) & 0xFF)) / 0xFF)) > 0xFF) ?
579 0xFF0000 : tmp << 16;
580 return ret;
581 }
582
583 /* These routines cover all possible sources of window's transparent factor
584 * used in blending equation. Choice of routine is affected by WPALCON
585 * registers, BLENDCON register and window's WINCON register */
586
587 static uint32_t fimd_get_alpha_pix(Exynos4210fimdWindow *w, uint32_t pix_a)
588 {
589 return pix_a;
590 }
591
592 static uint32_t
593 fimd_get_alpha_pix_extlow(Exynos4210fimdWindow *w, uint32_t pix_a)
594 {
595 return EXTEND_LOWER_HALFBYTE(pix_a);
596 }
597
598 static uint32_t
599 fimd_get_alpha_pix_exthigh(Exynos4210fimdWindow *w, uint32_t pix_a)
600 {
601 return EXTEND_UPPER_HALFBYTE(pix_a);
602 }
603
604 static uint32_t fimd_get_alpha_mult(Exynos4210fimdWindow *w, uint32_t pix_a)
605 {
606 return fimd_mult_each_byte(pix_a, w->alpha_val[0]);
607 }
608
609 static uint32_t fimd_get_alpha_mult_ext(Exynos4210fimdWindow *w, uint32_t pix_a)
610 {
611 return fimd_mult_each_byte(EXTEND_LOWER_HALFBYTE(pix_a),
612 EXTEND_UPPER_HALFBYTE(w->alpha_val[0]));
613 }
614
615 static uint32_t fimd_get_alpha_aen(Exynos4210fimdWindow *w, uint32_t pix_a)
616 {
617 return w->alpha_val[pix_a];
618 }
619
620 static uint32_t fimd_get_alpha_aen_ext(Exynos4210fimdWindow *w, uint32_t pix_a)
621 {
622 return EXTEND_UPPER_HALFBYTE(w->alpha_val[pix_a]);
623 }
624
625 static uint32_t fimd_get_alpha_sel(Exynos4210fimdWindow *w, uint32_t pix_a)
626 {
627 return w->alpha_val[(w->wincon & FIMD_WINCON_ALPHA_SEL) ? 1 : 0];
628 }
629
630 static uint32_t fimd_get_alpha_sel_ext(Exynos4210fimdWindow *w, uint32_t pix_a)
631 {
632 return EXTEND_UPPER_HALFBYTE(w->alpha_val[(w->wincon &
633 FIMD_WINCON_ALPHA_SEL) ? 1 : 0]);
634 }
635
636 /* Updates currently active alpha value get function for specified window */
637 static void fimd_update_get_alpha(Exynos4210fimdState *s, int win)
638 {
639 Exynos4210fimdWindow *w = &s->window[win];
640 const bool alpha_is_8bit = s->blendcon & FIMD_ALPHA_8BIT;
641
642 if (w->wincon & FIMD_WINCON_BLD_PIX) {
643 if ((w->wincon & FIMD_WINCON_ALPHA_SEL) && WIN_BPP_MODE_WITH_ALPHA(w)) {
644 /* In this case, alpha component contains meaningful value */
645 if (w->wincon & FIMD_WINCON_ALPHA_MUL) {
646 w->get_alpha = alpha_is_8bit ?
647 fimd_get_alpha_mult : fimd_get_alpha_mult_ext;
648 } else {
649 w->get_alpha = alpha_is_8bit ?
650 fimd_get_alpha_pix : fimd_get_alpha_pix_extlow;
651 }
652 } else {
653 if (IS_PALETTIZED_MODE(w) &&
654 PAL_MODE_WITH_ALPHA(exynos4210_fimd_palette_format(s, win))) {
655 /* Alpha component has 8-bit numeric value */
656 w->get_alpha = alpha_is_8bit ?
657 fimd_get_alpha_pix : fimd_get_alpha_pix_exthigh;
658 } else {
659 /* Alpha has only two possible values (AEN) */
660 w->get_alpha = alpha_is_8bit ?
661 fimd_get_alpha_aen : fimd_get_alpha_aen_ext;
662 }
663 }
664 } else {
665 w->get_alpha = alpha_is_8bit ? fimd_get_alpha_sel :
666 fimd_get_alpha_sel_ext;
667 }
668 }
669
670 /* Blends current window's (w) pixel (foreground pixel *ret) with background
671 * window (w_blend) pixel p_bg according to formula:
672 * NEW_COLOR = a_coef x FG_PIXEL_COLOR + b_coef x BG_PIXEL_COLOR
673 * NEW_ALPHA = p_coef x FG_ALPHA + q_coef x BG_ALPHA
674 */
675 static void
676 exynos4210_fimd_blend_pixel(Exynos4210fimdWindow *w, rgba p_bg, rgba *ret)
677 {
678 rgba p_fg = *ret;
679 uint32_t bg_color = ((p_bg.r & 0xFF) << 16) | ((p_bg.g & 0xFF) << 8) |
680 (p_bg.b & 0xFF);
681 uint32_t fg_color = ((p_fg.r & 0xFF) << 16) | ((p_fg.g & 0xFF) << 8) |
682 (p_fg.b & 0xFF);
683 uint32_t alpha_fg = p_fg.a;
684 int i;
685 /* It is possible that blending equation parameters a and b do not
686 * depend on window BLENEQ register. Account for this with first_coef */
687 enum { A_COEF = 0, B_COEF = 1, P_COEF = 2, Q_COEF = 3, COEF_NUM = 4};
688 uint32_t first_coef = A_COEF;
689 uint32_t blend_param[COEF_NUM];
690
691 if (w->keycon[0] & FIMD_WKEYCON0_KEYEN) {
692 uint32_t colorkey = (w->keycon[1] &
693 ~(w->keycon[0] & FIMD_WKEYCON0_COMPKEY)) & FIMD_WKEYCON0_COMPKEY;
694
695 if ((w->keycon[0] & FIMD_WKEYCON0_DIRCON) &&
696 (bg_color & ~(w->keycon[0] & FIMD_WKEYCON0_COMPKEY)) == colorkey) {
697 /* Foreground pixel is displayed */
698 if (w->keycon[0] & FIMD_WKEYCON0_KEYBLEN) {
699 alpha_fg = w->keyalpha;
700 blend_param[A_COEF] = alpha_fg;
701 blend_param[B_COEF] = FIMD_1_MINUS_COLOR(alpha_fg);
702 } else {
703 alpha_fg = 0;
704 blend_param[A_COEF] = 0xFFFFFF;
705 blend_param[B_COEF] = 0x0;
706 }
707 first_coef = P_COEF;
708 } else if ((w->keycon[0] & FIMD_WKEYCON0_DIRCON) == 0 &&
709 (fg_color & ~(w->keycon[0] & FIMD_WKEYCON0_COMPKEY)) == colorkey) {
710 /* Background pixel is displayed */
711 if (w->keycon[0] & FIMD_WKEYCON0_KEYBLEN) {
712 alpha_fg = w->keyalpha;
713 blend_param[A_COEF] = alpha_fg;
714 blend_param[B_COEF] = FIMD_1_MINUS_COLOR(alpha_fg);
715 } else {
716 alpha_fg = 0;
717 blend_param[A_COEF] = 0x0;
718 blend_param[B_COEF] = 0xFFFFFF;
719 }
720 first_coef = P_COEF;
721 }
722 }
723
724 for (i = first_coef; i < COEF_NUM; i++) {
725 switch ((w->blendeq >> i * 6) & FIMD_BLENDEQ_COEF_MASK) {
726 case 0:
727 blend_param[i] = 0;
728 break;
729 case 1:
730 blend_param[i] = 0xFFFFFF;
731 break;
732 case 2:
733 blend_param[i] = alpha_fg;
734 break;
735 case 3:
736 blend_param[i] = FIMD_1_MINUS_COLOR(alpha_fg);
737 break;
738 case 4:
739 blend_param[i] = p_bg.a;
740 break;
741 case 5:
742 blend_param[i] = FIMD_1_MINUS_COLOR(p_bg.a);
743 break;
744 case 6:
745 blend_param[i] = w->alpha_val[0];
746 break;
747 case 10:
748 blend_param[i] = fg_color;
749 break;
750 case 11:
751 blend_param[i] = FIMD_1_MINUS_COLOR(fg_color);
752 break;
753 case 12:
754 blend_param[i] = bg_color;
755 break;
756 case 13:
757 blend_param[i] = FIMD_1_MINUS_COLOR(bg_color);
758 break;
759 default:
760 hw_error("exynos4210.fimd: blend equation coef illegal value\n");
761 break;
762 }
763 }
764
765 fg_color = fimd_mult_and_sum_each_byte(bg_color, blend_param[B_COEF],
766 fg_color, blend_param[A_COEF]);
767 ret->b = fg_color & 0xFF;
768 fg_color >>= 8;
769 ret->g = fg_color & 0xFF;
770 fg_color >>= 8;
771 ret->r = fg_color & 0xFF;
772 ret->a = fimd_mult_and_sum_each_byte(alpha_fg, blend_param[P_COEF],
773 p_bg.a, blend_param[Q_COEF]);
774 }
775
776 /* These routines read data from video frame buffer in system RAM, convert
777 * this data to display controller internal representation, if necessary,
778 * perform pixel blending with data, currently presented in internal buffer.
779 * Result is stored in display controller internal frame buffer. */
780
781 /* Draw line with index in palette table in RAM frame buffer data */
782 #define DEF_DRAW_LINE_PALETTE(N) \
783 static void glue(draw_line_palette_, N)(Exynos4210fimdWindow *w, uint8_t *src, \
784 uint8_t *dst, bool blend) \
785 { \
786 int width = w->rightbot_x - w->lefttop_x + 1; \
787 uint8_t *ifb = dst; \
788 uint8_t swap = (w->wincon & FIMD_WINCON_SWAP) >> FIMD_WINCON_SWAP_SHIFT; \
789 uint64_t data; \
790 rgba p, p_old; \
791 int i; \
792 do { \
793 memcpy(&data, src, sizeof(data)); \
794 src += 8; \
795 fimd_swap_data(swap, &data); \
796 for (i = (64 / (N) - 1); i >= 0; i--) { \
797 w->pixel_to_rgb(w->palette[(data >> ((N) * i)) & \
798 ((1ULL << (N)) - 1)], &p); \
799 p.a = w->get_alpha(w, p.a); \
800 if (blend) { \
801 ifb += get_pixel_ifb(ifb, &p_old); \
802 exynos4210_fimd_blend_pixel(w, p_old, &p); \
803 } \
804 dst += put_pixel_ifb(p, dst); \
805 } \
806 width -= (64 / (N)); \
807 } while (width > 0); \
808 }
809
810 /* Draw line with direct color value in RAM frame buffer data */
811 #define DEF_DRAW_LINE_NOPALETTE(N) \
812 static void glue(draw_line_, N)(Exynos4210fimdWindow *w, uint8_t *src, \
813 uint8_t *dst, bool blend) \
814 { \
815 int width = w->rightbot_x - w->lefttop_x + 1; \
816 uint8_t *ifb = dst; \
817 uint8_t swap = (w->wincon & FIMD_WINCON_SWAP) >> FIMD_WINCON_SWAP_SHIFT; \
818 uint64_t data; \
819 rgba p, p_old; \
820 int i; \
821 do { \
822 memcpy(&data, src, sizeof(data)); \
823 src += 8; \
824 fimd_swap_data(swap, &data); \
825 for (i = (64 / (N) - 1); i >= 0; i--) { \
826 w->pixel_to_rgb((data >> ((N) * i)) & ((1ULL << (N)) - 1), &p); \
827 p.a = w->get_alpha(w, p.a); \
828 if (blend) { \
829 ifb += get_pixel_ifb(ifb, &p_old); \
830 exynos4210_fimd_blend_pixel(w, p_old, &p); \
831 } \
832 dst += put_pixel_ifb(p, dst); \
833 } \
834 width -= (64 / (N)); \
835 } while (width > 0); \
836 }
837
838 DEF_DRAW_LINE_PALETTE(1)
839 DEF_DRAW_LINE_PALETTE(2)
840 DEF_DRAW_LINE_PALETTE(4)
841 DEF_DRAW_LINE_PALETTE(8)
842 DEF_DRAW_LINE_NOPALETTE(8) /* 8bpp mode has palette and non-palette versions */
843 DEF_DRAW_LINE_NOPALETTE(16)
844 DEF_DRAW_LINE_NOPALETTE(32)
845
846 /* Special draw line routine for window color map case */
847 static void draw_line_mapcolor(Exynos4210fimdWindow *w, uint8_t *src,
848 uint8_t *dst, bool blend)
849 {
850 rgba p, p_old;
851 uint8_t *ifb = dst;
852 int width = w->rightbot_x - w->lefttop_x + 1;
853 uint32_t map_color = w->winmap & FIMD_WINMAP_COLOR_MASK;
854
855 do {
856 pixel_888_to_rgb(map_color, &p);
857 p.a = w->get_alpha(w, p.a);
858 if (blend) {
859 ifb += get_pixel_ifb(ifb, &p_old);
860 exynos4210_fimd_blend_pixel(w, p_old, &p);
861 }
862 dst += put_pixel_ifb(p, dst);
863 } while (--width);
864 }
865
866 /* Write RGB to QEMU's GraphicConsole framebuffer */
867
868 static int put_to_qemufb_pixel8(const rgba p, uint8_t *d)
869 {
870 uint32_t pixel = rgb_to_pixel8(p.r, p.g, p.b);
871 *(uint8_t *)d = pixel;
872 return 1;
873 }
874
875 static int put_to_qemufb_pixel15(const rgba p, uint8_t *d)
876 {
877 uint32_t pixel = rgb_to_pixel15(p.r, p.g, p.b);
878 *(uint16_t *)d = pixel;
879 return 2;
880 }
881
882 static int put_to_qemufb_pixel16(const rgba p, uint8_t *d)
883 {
884 uint32_t pixel = rgb_to_pixel16(p.r, p.g, p.b);
885 *(uint16_t *)d = pixel;
886 return 2;
887 }
888
889 static int put_to_qemufb_pixel24(const rgba p, uint8_t *d)
890 {
891 uint32_t pixel = rgb_to_pixel24(p.r, p.g, p.b);
892 *(uint8_t *)d++ = (pixel >> 0) & 0xFF;
893 *(uint8_t *)d++ = (pixel >> 8) & 0xFF;
894 *(uint8_t *)d++ = (pixel >> 16) & 0xFF;
895 return 3;
896 }
897
898 static int put_to_qemufb_pixel32(const rgba p, uint8_t *d)
899 {
900 uint32_t pixel = rgb_to_pixel24(p.r, p.g, p.b);
901 *(uint32_t *)d = pixel;
902 return 4;
903 }
904
905 /* Routine to copy pixel from internal buffer to QEMU buffer */
906 static int (*put_pixel_toqemu)(const rgba p, uint8_t *pixel);
907 static inline void fimd_update_putpix_qemu(int bpp)
908 {
909 switch (bpp) {
910 case 8:
911 put_pixel_toqemu = put_to_qemufb_pixel8;
912 break;
913 case 15:
914 put_pixel_toqemu = put_to_qemufb_pixel15;
915 break;
916 case 16:
917 put_pixel_toqemu = put_to_qemufb_pixel16;
918 break;
919 case 24:
920 put_pixel_toqemu = put_to_qemufb_pixel24;
921 break;
922 case 32:
923 put_pixel_toqemu = put_to_qemufb_pixel32;
924 break;
925 default:
926 hw_error("exynos4210.fimd: unsupported BPP (%d)", bpp);
927 break;
928 }
929 }
930
931 /* Routine to copy a line from internal frame buffer to QEMU display */
932 static void fimd_copy_line_toqemu(int width, uint8_t *src, uint8_t *dst)
933 {
934 rgba p;
935
936 do {
937 src += get_pixel_ifb(src, &p);
938 dst += put_pixel_toqemu(p, dst);
939 } while (--width);
940 }
941
942 /* Parse BPPMODE_F = WINCON1[5:2] bits */
943 static void exynos4210_fimd_update_win_bppmode(Exynos4210fimdState *s, int win)
944 {
945 Exynos4210fimdWindow *w = &s->window[win];
946
947 if (w->winmap & FIMD_WINMAP_EN) {
948 w->draw_line = draw_line_mapcolor;
949 return;
950 }
951
952 switch (WIN_BPP_MODE(w)) {
953 case 0:
954 w->draw_line = draw_line_palette_1;
955 w->pixel_to_rgb =
956 palette_data_format[exynos4210_fimd_palette_format(s, win)];
957 break;
958 case 1:
959 w->draw_line = draw_line_palette_2;
960 w->pixel_to_rgb =
961 palette_data_format[exynos4210_fimd_palette_format(s, win)];
962 break;
963 case 2:
964 w->draw_line = draw_line_palette_4;
965 w->pixel_to_rgb =
966 palette_data_format[exynos4210_fimd_palette_format(s, win)];
967 break;
968 case 3:
969 w->draw_line = draw_line_palette_8;
970 w->pixel_to_rgb =
971 palette_data_format[exynos4210_fimd_palette_format(s, win)];
972 break;
973 case 4:
974 w->draw_line = draw_line_8;
975 w->pixel_to_rgb = pixel_a232_to_rgb;
976 break;
977 case 5:
978 w->draw_line = draw_line_16;
979 w->pixel_to_rgb = pixel_565_to_rgb;
980 break;
981 case 6:
982 w->draw_line = draw_line_16;
983 w->pixel_to_rgb = pixel_a555_to_rgb;
984 break;
985 case 7:
986 w->draw_line = draw_line_16;
987 w->pixel_to_rgb = pixel_1555_to_rgb;
988 break;
989 case 8:
990 w->draw_line = draw_line_32;
991 w->pixel_to_rgb = pixel_666_to_rgb;
992 break;
993 case 9:
994 w->draw_line = draw_line_32;
995 w->pixel_to_rgb = pixel_a665_to_rgb;
996 break;
997 case 10:
998 w->draw_line = draw_line_32;
999 w->pixel_to_rgb = pixel_a666_to_rgb;
1000 break;
1001 case 11:
1002 w->draw_line = draw_line_32;
1003 w->pixel_to_rgb = pixel_888_to_rgb;
1004 break;
1005 case 12:
1006 w->draw_line = draw_line_32;
1007 w->pixel_to_rgb = pixel_a887_to_rgb;
1008 break;
1009 case 13:
1010 w->draw_line = draw_line_32;
1011 if ((w->wincon & FIMD_WINCON_BLD_PIX) && (w->wincon &
1012 FIMD_WINCON_ALPHA_SEL)) {
1013 w->pixel_to_rgb = pixel_8888_to_rgb;
1014 } else {
1015 w->pixel_to_rgb = pixel_a888_to_rgb;
1016 }
1017 break;
1018 case 14:
1019 w->draw_line = draw_line_16;
1020 if ((w->wincon & FIMD_WINCON_BLD_PIX) && (w->wincon &
1021 FIMD_WINCON_ALPHA_SEL)) {
1022 w->pixel_to_rgb = pixel_4444_to_rgb;
1023 } else {
1024 w->pixel_to_rgb = pixel_a444_to_rgb;
1025 }
1026 break;
1027 case 15:
1028 w->draw_line = draw_line_16;
1029 w->pixel_to_rgb = pixel_555_to_rgb;
1030 break;
1031 }
1032 }
1033
1034 #if EXYNOS4210_FIMD_MODE_TRACE > 0
1035 static const char *exynos4210_fimd_get_bppmode(int mode_code)
1036 {
1037 switch (mode_code) {
1038 case 0:
1039 return "1 bpp";
1040 case 1:
1041 return "2 bpp";
1042 case 2:
1043 return "4 bpp";
1044 case 3:
1045 return "8 bpp (palettized)";
1046 case 4:
1047 return "8 bpp (non-palettized, A: 1-R:2-G:3-B:2)";
1048 case 5:
1049 return "16 bpp (non-palettized, R:5-G:6-B:5)";
1050 case 6:
1051 return "16 bpp (non-palettized, A:1-R:5-G:5-B:5)";
1052 case 7:
1053 return "16 bpp (non-palettized, I :1-R:5-G:5-B:5)";
1054 case 8:
1055 return "Unpacked 18 bpp (non-palettized, R:6-G:6-B:6)";
1056 case 9:
1057 return "Unpacked 18bpp (non-palettized,A:1-R:6-G:6-B:5)";
1058 case 10:
1059 return "Unpacked 19bpp (non-palettized,A:1-R:6-G:6-B:6)";
1060 case 11:
1061 return "Unpacked 24 bpp (non-palettized R:8-G:8-B:8)";
1062 case 12:
1063 return "Unpacked 24 bpp (non-palettized A:1-R:8-G:8-B:7)";
1064 case 13:
1065 return "Unpacked 25 bpp (non-palettized A:1-R:8-G:8-B:8)";
1066 case 14:
1067 return "Unpacked 13 bpp (non-palettized A:1-R:4-G:4-B:4)";
1068 case 15:
1069 return "Unpacked 15 bpp (non-palettized R:5-G:5-B:5)";
1070 default:
1071 return "Non-existing bpp mode";
1072 }
1073 }
1074
1075 static inline void exynos4210_fimd_trace_bppmode(Exynos4210fimdState *s,
1076 int win_num, uint32_t val)
1077 {
1078 Exynos4210fimdWindow *w = &s->window[win_num];
1079
1080 if (w->winmap & FIMD_WINMAP_EN) {
1081 printf("QEMU FIMD: Window %d is mapped with MAPCOLOR=0x%x\n",
1082 win_num, w->winmap & 0xFFFFFF);
1083 return;
1084 }
1085
1086 if ((val != 0xFFFFFFFF) && ((w->wincon >> 2) & 0xF) == ((val >> 2) & 0xF)) {
1087 return;
1088 }
1089 printf("QEMU FIMD: Window %d BPP mode set to %s\n", win_num,
1090 exynos4210_fimd_get_bppmode((val >> 2) & 0xF));
1091 }
1092 #else
1093 static inline void exynos4210_fimd_trace_bppmode(Exynos4210fimdState *s,
1094 int win_num, uint32_t val)
1095 {
1096
1097 }
1098 #endif
1099
1100 static inline int fimd_get_buffer_id(Exynos4210fimdWindow *w)
1101 {
1102 switch (w->wincon & FIMD_WINCON_BUFSTATUS) {
1103 case FIMD_WINCON_BUF0_STAT:
1104 return 0;
1105 case FIMD_WINCON_BUF1_STAT:
1106 return 1;
1107 case FIMD_WINCON_BUF2_STAT:
1108 return 2;
1109 default:
1110 qemu_log_mask(LOG_GUEST_ERROR, "FIMD: Non-existent buffer index\n");
1111 return 0;
1112 }
1113 }
1114
1115 static void exynos4210_fimd_invalidate(void *opaque)
1116 {
1117 Exynos4210fimdState *s = (Exynos4210fimdState *)opaque;
1118 s->invalidate = true;
1119 }
1120
1121 /* Updates specified window's MemorySection based on values of WINCON,
1122 * VIDOSDA, VIDOSDB, VIDWADDx and SHADOWCON registers */
1123 static void fimd_update_memory_section(Exynos4210fimdState *s, unsigned win)
1124 {
1125 Exynos4210fimdWindow *w = &s->window[win];
1126 hwaddr fb_start_addr, fb_mapped_len;
1127
1128 if (!s->enabled || !(w->wincon & FIMD_WINCON_ENWIN) ||
1129 FIMD_WINDOW_PROTECTED(s->shadowcon, win)) {
1130 return;
1131 }
1132
1133 if (w->host_fb_addr) {
1134 cpu_physical_memory_unmap(w->host_fb_addr, w->fb_len, 0, 0);
1135 w->host_fb_addr = NULL;
1136 w->fb_len = 0;
1137 }
1138
1139 fb_start_addr = w->buf_start[fimd_get_buffer_id(w)];
1140 /* Total number of bytes of virtual screen used by current window */
1141 w->fb_len = fb_mapped_len = (w->virtpage_width + w->virtpage_offsize) *
1142 (w->rightbot_y - w->lefttop_y + 1);
1143
1144 /* TODO: add .exit and unref the region there. Not needed yet since sysbus
1145 * does not support hot-unplug.
1146 */
1147 if (w->mem_section.mr) {
1148 memory_region_set_log(w->mem_section.mr, false, DIRTY_MEMORY_VGA);
1149 memory_region_unref(w->mem_section.mr);
1150 }
1151
1152 w->mem_section = memory_region_find(s->fbmem, fb_start_addr, w->fb_len);
1153 assert(w->mem_section.mr);
1154 assert(w->mem_section.offset_within_address_space == fb_start_addr);
1155 DPRINT_TRACE("Window %u framebuffer changed: address=0x%08x, len=0x%x\n",
1156 win, fb_start_addr, w->fb_len);
1157
1158 if (int128_get64(w->mem_section.size) != w->fb_len ||
1159 !memory_region_is_ram(w->mem_section.mr)) {
1160 qemu_log_mask(LOG_GUEST_ERROR,
1161 "FIMD: Failed to find window %u framebuffer region\n",
1162 win);
1163 goto error_return;
1164 }
1165
1166 w->host_fb_addr = cpu_physical_memory_map(fb_start_addr, &fb_mapped_len,
1167 false);
1168 if (!w->host_fb_addr) {
1169 qemu_log_mask(LOG_GUEST_ERROR,
1170 "FIMD: Failed to map window %u framebuffer\n", win);
1171 goto error_return;
1172 }
1173
1174 if (fb_mapped_len != w->fb_len) {
1175 qemu_log_mask(LOG_GUEST_ERROR,
1176 "FIMD: Window %u mapped framebuffer length is less than "
1177 "expected\n", win);
1178 cpu_physical_memory_unmap(w->host_fb_addr, fb_mapped_len, 0, 0);
1179 goto error_return;
1180 }
1181 memory_region_set_log(w->mem_section.mr, true, DIRTY_MEMORY_VGA);
1182 exynos4210_fimd_invalidate(s);
1183 return;
1184
1185 error_return:
1186 memory_region_unref(w->mem_section.mr);
1187 w->mem_section.mr = NULL;
1188 w->mem_section.size = int128_zero();
1189 w->host_fb_addr = NULL;
1190 w->fb_len = 0;
1191 }
1192
1193 static void exynos4210_fimd_enable(Exynos4210fimdState *s, bool enabled)
1194 {
1195 if (enabled && !s->enabled) {
1196 unsigned w;
1197 s->enabled = true;
1198 for (w = 0; w < NUM_OF_WINDOWS; w++) {
1199 fimd_update_memory_section(s, w);
1200 }
1201 }
1202 s->enabled = enabled;
1203 DPRINT_TRACE("display controller %s\n", enabled ? "enabled" : "disabled");
1204 }
1205
1206 static inline uint32_t unpack_upper_4(uint32_t x)
1207 {
1208 return ((x & 0xF00) << 12) | ((x & 0xF0) << 8) | ((x & 0xF) << 4);
1209 }
1210
1211 static inline uint32_t pack_upper_4(uint32_t x)
1212 {
1213 return (((x & 0xF00000) >> 12) | ((x & 0xF000) >> 8) |
1214 ((x & 0xF0) >> 4)) & 0xFFF;
1215 }
1216
1217 static void exynos4210_fimd_update_irq(Exynos4210fimdState *s)
1218 {
1219 if (!(s->vidintcon[0] & FIMD_VIDINT_INTEN)) {
1220 qemu_irq_lower(s->irq[0]);
1221 qemu_irq_lower(s->irq[1]);
1222 qemu_irq_lower(s->irq[2]);
1223 return;
1224 }
1225 if ((s->vidintcon[0] & FIMD_VIDINT_INTFIFOEN) &&
1226 (s->vidintcon[1] & FIMD_VIDINT_INTFIFOPEND)) {
1227 qemu_irq_raise(s->irq[0]);
1228 } else {
1229 qemu_irq_lower(s->irq[0]);
1230 }
1231 if ((s->vidintcon[0] & FIMD_VIDINT_INTFRMEN) &&
1232 (s->vidintcon[1] & FIMD_VIDINT_INTFRMPEND)) {
1233 qemu_irq_raise(s->irq[1]);
1234 } else {
1235 qemu_irq_lower(s->irq[1]);
1236 }
1237 if ((s->vidintcon[0] & FIMD_VIDINT_I80IFDONE) &&
1238 (s->vidintcon[1] & FIMD_VIDINT_INTI80PEND)) {
1239 qemu_irq_raise(s->irq[2]);
1240 } else {
1241 qemu_irq_lower(s->irq[2]);
1242 }
1243 }
1244
1245 static void exynos4210_update_resolution(Exynos4210fimdState *s)
1246 {
1247 DisplaySurface *surface = qemu_console_surface(s->console);
1248
1249 /* LCD resolution is stored in VIDEO TIME CONTROL REGISTER 2 */
1250 uint32_t width = ((s->vidtcon[2] >> FIMD_VIDTCON2_HOR_SHIFT) &
1251 FIMD_VIDTCON2_SIZE_MASK) + 1;
1252 uint32_t height = ((s->vidtcon[2] >> FIMD_VIDTCON2_VER_SHIFT) &
1253 FIMD_VIDTCON2_SIZE_MASK) + 1;
1254
1255 if (s->ifb == NULL || surface_width(surface) != width ||
1256 surface_height(surface) != height) {
1257 DPRINT_L1("Resolution changed from %ux%u to %ux%u\n",
1258 surface_width(surface), surface_height(surface), width, height);
1259 qemu_console_resize(s->console, width, height);
1260 s->ifb = g_realloc(s->ifb, width * height * RGBA_SIZE + 1);
1261 memset(s->ifb, 0, width * height * RGBA_SIZE + 1);
1262 exynos4210_fimd_invalidate(s);
1263 }
1264 }
1265
1266 static void exynos4210_fimd_update(void *opaque)
1267 {
1268 Exynos4210fimdState *s = (Exynos4210fimdState *)opaque;
1269 DisplaySurface *surface;
1270 Exynos4210fimdWindow *w;
1271 DirtyBitmapSnapshot *snap;
1272 int i, line;
1273 hwaddr fb_line_addr, inc_size;
1274 int scrn_height;
1275 int first_line = -1, last_line = -1, scrn_width;
1276 bool blend = false;
1277 uint8_t *host_fb_addr;
1278 bool is_dirty = false;
1279 int global_width;
1280
1281 if (!s || !s->console || !s->enabled ||
1282 surface_bits_per_pixel(qemu_console_surface(s->console)) == 0) {
1283 return;
1284 }
1285
1286 global_width = (s->vidtcon[2] & FIMD_VIDTCON2_SIZE_MASK) + 1;
1287 exynos4210_update_resolution(s);
1288 surface = qemu_console_surface(s->console);
1289
1290 for (i = 0; i < NUM_OF_WINDOWS; i++) {
1291 w = &s->window[i];
1292 if ((w->wincon & FIMD_WINCON_ENWIN) && w->host_fb_addr) {
1293 scrn_height = w->rightbot_y - w->lefttop_y + 1;
1294 scrn_width = w->virtpage_width;
1295 /* Total width of virtual screen page in bytes */
1296 inc_size = scrn_width + w->virtpage_offsize;
1297 host_fb_addr = w->host_fb_addr;
1298 fb_line_addr = w->mem_section.offset_within_region;
1299 snap = memory_region_snapshot_and_clear_dirty(w->mem_section.mr,
1300 fb_line_addr, inc_size * scrn_height, DIRTY_MEMORY_VGA);
1301
1302 for (line = 0; line < scrn_height; line++) {
1303 is_dirty = memory_region_snapshot_get_dirty(w->mem_section.mr,
1304 snap, fb_line_addr, scrn_width);
1305
1306 if (s->invalidate || is_dirty) {
1307 if (first_line == -1) {
1308 first_line = line;
1309 }
1310 last_line = line;
1311 w->draw_line(w, host_fb_addr, s->ifb +
1312 w->lefttop_x * RGBA_SIZE + (w->lefttop_y + line) *
1313 global_width * RGBA_SIZE, blend);
1314 }
1315 host_fb_addr += inc_size;
1316 fb_line_addr += inc_size;
1317 }
1318 g_free(snap);
1319 blend = true;
1320 }
1321 }
1322
1323 /* Copy resulting image to QEMU_CONSOLE. */
1324 if (first_line >= 0) {
1325 uint8_t *d;
1326 int bpp;
1327
1328 bpp = surface_bits_per_pixel(surface);
1329 fimd_update_putpix_qemu(bpp);
1330 bpp = (bpp + 1) >> 3;
1331 d = surface_data(surface);
1332 for (line = first_line; line <= last_line; line++) {
1333 fimd_copy_line_toqemu(global_width, s->ifb + global_width * line *
1334 RGBA_SIZE, d + global_width * line * bpp);
1335 }
1336 dpy_gfx_update_full(s->console);
1337 }
1338 s->invalidate = false;
1339 s->vidintcon[1] |= FIMD_VIDINT_INTFRMPEND;
1340 if ((s->vidcon[0] & FIMD_VIDCON0_ENVID_F) == 0) {
1341 exynos4210_fimd_enable(s, false);
1342 }
1343 exynos4210_fimd_update_irq(s);
1344 }
1345
1346 static void exynos4210_fimd_reset(DeviceState *d)
1347 {
1348 Exynos4210fimdState *s = EXYNOS4210_FIMD(d);
1349 unsigned w;
1350
1351 DPRINT_TRACE("Display controller reset\n");
1352 /* Set all display controller registers to 0 */
1353 memset(&s->vidcon, 0, (uint8_t *)&s->window - (uint8_t *)&s->vidcon);
1354 for (w = 0; w < NUM_OF_WINDOWS; w++) {
1355 memset(&s->window[w], 0, sizeof(Exynos4210fimdWindow));
1356 s->window[w].blendeq = 0xC2;
1357 exynos4210_fimd_update_win_bppmode(s, w);
1358 exynos4210_fimd_trace_bppmode(s, w, 0xFFFFFFFF);
1359 fimd_update_get_alpha(s, w);
1360 }
1361
1362 g_free(s->ifb);
1363 s->ifb = NULL;
1364
1365 exynos4210_fimd_invalidate(s);
1366 exynos4210_fimd_enable(s, false);
1367 /* Some registers have non-zero initial values */
1368 s->winchmap = 0x7D517D51;
1369 s->colorgaincon = 0x10040100;
1370 s->huecoef_cr[0] = s->huecoef_cr[3] = 0x01000100;
1371 s->huecoef_cb[0] = s->huecoef_cb[3] = 0x01000100;
1372 s->hueoffset = 0x01800080;
1373 }
1374
1375 static void exynos4210_fimd_write(void *opaque, hwaddr offset,
1376 uint64_t val, unsigned size)
1377 {
1378 Exynos4210fimdState *s = (Exynos4210fimdState *)opaque;
1379 unsigned w, i;
1380 uint32_t old_value;
1381
1382 DPRINT_L2("write offset 0x%08x, value=%llu(0x%08llx)\n", offset,
1383 (long long unsigned int)val, (long long unsigned int)val);
1384
1385 switch (offset) {
1386 case FIMD_VIDCON0:
1387 if ((val & FIMD_VIDCON0_ENVID_MASK) == FIMD_VIDCON0_ENVID_MASK) {
1388 exynos4210_fimd_enable(s, true);
1389 } else {
1390 if ((val & FIMD_VIDCON0_ENVID) == 0) {
1391 exynos4210_fimd_enable(s, false);
1392 }
1393 }
1394 s->vidcon[0] = val;
1395 break;
1396 case FIMD_VIDCON1:
1397 /* Leave read-only bits as is */
1398 val = (val & (~FIMD_VIDCON1_ROMASK)) |
1399 (s->vidcon[1] & FIMD_VIDCON1_ROMASK);
1400 s->vidcon[1] = val;
1401 break;
1402 case FIMD_VIDCON2 ... FIMD_VIDCON3:
1403 s->vidcon[(offset) >> 2] = val;
1404 break;
1405 case FIMD_VIDTCON_START ... FIMD_VIDTCON_END:
1406 s->vidtcon[(offset - FIMD_VIDTCON_START) >> 2] = val;
1407 break;
1408 case FIMD_WINCON_START ... FIMD_WINCON_END:
1409 w = (offset - FIMD_WINCON_START) >> 2;
1410 /* Window's current buffer ID */
1411 i = fimd_get_buffer_id(&s->window[w]);
1412 old_value = s->window[w].wincon;
1413 val = (val & ~FIMD_WINCON_ROMASK) |
1414 (s->window[w].wincon & FIMD_WINCON_ROMASK);
1415 if (w == 0) {
1416 /* Window 0 wincon ALPHA_MUL bit must always be 0 */
1417 val &= ~FIMD_WINCON_ALPHA_MUL;
1418 }
1419 exynos4210_fimd_trace_bppmode(s, w, val);
1420 switch (val & FIMD_WINCON_BUFSELECT) {
1421 case FIMD_WINCON_BUF0_SEL:
1422 val &= ~FIMD_WINCON_BUFSTATUS;
1423 break;
1424 case FIMD_WINCON_BUF1_SEL:
1425 val = (val & ~FIMD_WINCON_BUFSTAT_H) | FIMD_WINCON_BUFSTAT_L;
1426 break;
1427 case FIMD_WINCON_BUF2_SEL:
1428 if (val & FIMD_WINCON_BUFMODE) {
1429 val = (val & ~FIMD_WINCON_BUFSTAT_L) | FIMD_WINCON_BUFSTAT_H;
1430 }
1431 break;
1432 default:
1433 break;
1434 }
1435 s->window[w].wincon = val;
1436 exynos4210_fimd_update_win_bppmode(s, w);
1437 fimd_update_get_alpha(s, w);
1438 if ((i != fimd_get_buffer_id(&s->window[w])) ||
1439 (!(old_value & FIMD_WINCON_ENWIN) && (s->window[w].wincon &
1440 FIMD_WINCON_ENWIN))) {
1441 fimd_update_memory_section(s, w);
1442 }
1443 break;
1444 case FIMD_SHADOWCON:
1445 old_value = s->shadowcon;
1446 s->shadowcon = val;
1447 for (w = 0; w < NUM_OF_WINDOWS; w++) {
1448 if (FIMD_WINDOW_PROTECTED(old_value, w) &&
1449 !FIMD_WINDOW_PROTECTED(s->shadowcon, w)) {
1450 fimd_update_memory_section(s, w);
1451 }
1452 }
1453 break;
1454 case FIMD_WINCHMAP:
1455 s->winchmap = val;
1456 break;
1457 case FIMD_VIDOSD_START ... FIMD_VIDOSD_END:
1458 w = (offset - FIMD_VIDOSD_START) >> 4;
1459 i = ((offset - FIMD_VIDOSD_START) & 0xF) >> 2;
1460 switch (i) {
1461 case 0:
1462 old_value = s->window[w].lefttop_y;
1463 s->window[w].lefttop_x = (val >> FIMD_VIDOSD_HOR_SHIFT) &
1464 FIMD_VIDOSD_COORD_MASK;
1465 s->window[w].lefttop_y = (val >> FIMD_VIDOSD_VER_SHIFT) &
1466 FIMD_VIDOSD_COORD_MASK;
1467 if (s->window[w].lefttop_y != old_value) {
1468 fimd_update_memory_section(s, w);
1469 }
1470 break;
1471 case 1:
1472 old_value = s->window[w].rightbot_y;
1473 s->window[w].rightbot_x = (val >> FIMD_VIDOSD_HOR_SHIFT) &
1474 FIMD_VIDOSD_COORD_MASK;
1475 s->window[w].rightbot_y = (val >> FIMD_VIDOSD_VER_SHIFT) &
1476 FIMD_VIDOSD_COORD_MASK;
1477 if (s->window[w].rightbot_y != old_value) {
1478 fimd_update_memory_section(s, w);
1479 }
1480 break;
1481 case 2:
1482 if (w == 0) {
1483 s->window[w].osdsize = val;
1484 } else {
1485 s->window[w].alpha_val[0] =
1486 unpack_upper_4((val & FIMD_VIDOSD_ALPHA_AEN0) >>
1487 FIMD_VIDOSD_AEN0_SHIFT) |
1488 (s->window[w].alpha_val[0] & FIMD_VIDALPHA_ALPHA_LOWER);
1489 s->window[w].alpha_val[1] =
1490 unpack_upper_4(val & FIMD_VIDOSD_ALPHA_AEN1) |
1491 (s->window[w].alpha_val[1] & FIMD_VIDALPHA_ALPHA_LOWER);
1492 }
1493 break;
1494 case 3:
1495 if (w != 1 && w != 2) {
1496 qemu_log_mask(LOG_GUEST_ERROR,
1497 "FIMD: Bad write offset 0x%08"HWADDR_PRIx"\n",
1498 offset);
1499 return;
1500 }
1501 s->window[w].osdsize = val;
1502 break;
1503 }
1504 break;
1505 case FIMD_VIDWADD0_START ... FIMD_VIDWADD0_END:
1506 w = (offset - FIMD_VIDWADD0_START) >> 3;
1507 i = ((offset - FIMD_VIDWADD0_START) >> 2) & 1;
1508 if (i == fimd_get_buffer_id(&s->window[w]) &&
1509 s->window[w].buf_start[i] != val) {
1510 s->window[w].buf_start[i] = val;
1511 fimd_update_memory_section(s, w);
1512 break;
1513 }
1514 s->window[w].buf_start[i] = val;
1515 break;
1516 case FIMD_VIDWADD1_START ... FIMD_VIDWADD1_END:
1517 w = (offset - FIMD_VIDWADD1_START) >> 3;
1518 i = ((offset - FIMD_VIDWADD1_START) >> 2) & 1;
1519 s->window[w].buf_end[i] = val;
1520 break;
1521 case FIMD_VIDWADD2_START ... FIMD_VIDWADD2_END:
1522 w = (offset - FIMD_VIDWADD2_START) >> 2;
1523 if (((val & FIMD_VIDWADD2_PAGEWIDTH) != s->window[w].virtpage_width) ||
1524 (((val >> FIMD_VIDWADD2_OFFSIZE_SHIFT) & FIMD_VIDWADD2_OFFSIZE) !=
1525 s->window[w].virtpage_offsize)) {
1526 s->window[w].virtpage_width = val & FIMD_VIDWADD2_PAGEWIDTH;
1527 s->window[w].virtpage_offsize =
1528 (val >> FIMD_VIDWADD2_OFFSIZE_SHIFT) & FIMD_VIDWADD2_OFFSIZE;
1529 fimd_update_memory_section(s, w);
1530 }
1531 break;
1532 case FIMD_VIDINTCON0:
1533 s->vidintcon[0] = val;
1534 break;
1535 case FIMD_VIDINTCON1:
1536 s->vidintcon[1] &= ~(val & 7);
1537 exynos4210_fimd_update_irq(s);
1538 break;
1539 case FIMD_WKEYCON_START ... FIMD_WKEYCON_END:
1540 w = ((offset - FIMD_WKEYCON_START) >> 3) + 1;
1541 i = ((offset - FIMD_WKEYCON_START) >> 2) & 1;
1542 s->window[w].keycon[i] = val;
1543 break;
1544 case FIMD_WKEYALPHA_START ... FIMD_WKEYALPHA_END:
1545 w = ((offset - FIMD_WKEYALPHA_START) >> 2) + 1;
1546 s->window[w].keyalpha = val;
1547 break;
1548 case FIMD_DITHMODE:
1549 s->dithmode = val;
1550 break;
1551 case FIMD_WINMAP_START ... FIMD_WINMAP_END:
1552 w = (offset - FIMD_WINMAP_START) >> 2;
1553 old_value = s->window[w].winmap;
1554 s->window[w].winmap = val;
1555 if ((val & FIMD_WINMAP_EN) ^ (old_value & FIMD_WINMAP_EN)) {
1556 exynos4210_fimd_invalidate(s);
1557 exynos4210_fimd_update_win_bppmode(s, w);
1558 exynos4210_fimd_trace_bppmode(s, w, 0xFFFFFFFF);
1559 exynos4210_fimd_update(s);
1560 }
1561 break;
1562 case FIMD_WPALCON_HIGH ... FIMD_WPALCON_LOW:
1563 i = (offset - FIMD_WPALCON_HIGH) >> 2;
1564 s->wpalcon[i] = val;
1565 if (s->wpalcon[1] & FIMD_WPALCON_UPDATEEN) {
1566 for (w = 0; w < NUM_OF_WINDOWS; w++) {
1567 exynos4210_fimd_update_win_bppmode(s, w);
1568 fimd_update_get_alpha(s, w);
1569 }
1570 }
1571 break;
1572 case FIMD_TRIGCON:
1573 val = (val & ~FIMD_TRIGCON_ROMASK) | (s->trigcon & FIMD_TRIGCON_ROMASK);
1574 s->trigcon = val;
1575 break;
1576 case FIMD_I80IFCON_START ... FIMD_I80IFCON_END:
1577 s->i80ifcon[(offset - FIMD_I80IFCON_START) >> 2] = val;
1578 break;
1579 case FIMD_COLORGAINCON:
1580 s->colorgaincon = val;
1581 break;
1582 case FIMD_LDI_CMDCON0 ... FIMD_LDI_CMDCON1:
1583 s->ldi_cmdcon[(offset - FIMD_LDI_CMDCON0) >> 2] = val;
1584 break;
1585 case FIMD_SIFCCON0 ... FIMD_SIFCCON2:
1586 i = (offset - FIMD_SIFCCON0) >> 2;
1587 if (i != 2) {
1588 s->sifccon[i] = val;
1589 }
1590 break;
1591 case FIMD_HUECOEFCR_START ... FIMD_HUECOEFCR_END:
1592 i = (offset - FIMD_HUECOEFCR_START) >> 2;
1593 s->huecoef_cr[i] = val;
1594 break;
1595 case FIMD_HUECOEFCB_START ... FIMD_HUECOEFCB_END:
1596 i = (offset - FIMD_HUECOEFCB_START) >> 2;
1597 s->huecoef_cb[i] = val;
1598 break;
1599 case FIMD_HUEOFFSET:
1600 s->hueoffset = val;
1601 break;
1602 case FIMD_VIDWALPHA_START ... FIMD_VIDWALPHA_END:
1603 w = ((offset - FIMD_VIDWALPHA_START) >> 3);
1604 i = ((offset - FIMD_VIDWALPHA_START) >> 2) & 1;
1605 if (w == 0) {
1606 s->window[w].alpha_val[i] = val;
1607 } else {
1608 s->window[w].alpha_val[i] = (val & FIMD_VIDALPHA_ALPHA_LOWER) |
1609 (s->window[w].alpha_val[i] & FIMD_VIDALPHA_ALPHA_UPPER);
1610 }
1611 break;
1612 case FIMD_BLENDEQ_START ... FIMD_BLENDEQ_END:
1613 s->window[(offset - FIMD_BLENDEQ_START) >> 2].blendeq = val;
1614 break;
1615 case FIMD_BLENDCON:
1616 old_value = s->blendcon;
1617 s->blendcon = val;
1618 if ((s->blendcon & FIMD_ALPHA_8BIT) != (old_value & FIMD_ALPHA_8BIT)) {
1619 for (w = 0; w < NUM_OF_WINDOWS; w++) {
1620 fimd_update_get_alpha(s, w);
1621 }
1622 }
1623 break;
1624 case FIMD_WRTQOSCON_START ... FIMD_WRTQOSCON_END:
1625 s->window[(offset - FIMD_WRTQOSCON_START) >> 2].rtqoscon = val;
1626 break;
1627 case FIMD_I80IFCMD_START ... FIMD_I80IFCMD_END:
1628 s->i80ifcmd[(offset - FIMD_I80IFCMD_START) >> 2] = val;
1629 break;
1630 case FIMD_VIDW0ADD0_B2 ... FIMD_VIDW4ADD0_B2:
1631 if (offset & 0x0004) {
1632 qemu_log_mask(LOG_GUEST_ERROR,
1633 "FIMD: bad write offset 0x%08"HWADDR_PRIx"\n",
1634 offset);
1635 break;
1636 }
1637 w = (offset - FIMD_VIDW0ADD0_B2) >> 3;
1638 if (fimd_get_buffer_id(&s->window[w]) == 2 &&
1639 s->window[w].buf_start[2] != val) {
1640 s->window[w].buf_start[2] = val;
1641 fimd_update_memory_section(s, w);
1642 break;
1643 }
1644 s->window[w].buf_start[2] = val;
1645 break;
1646 case FIMD_SHD_ADD0_START ... FIMD_SHD_ADD0_END:
1647 if (offset & 0x0004) {
1648 qemu_log_mask(LOG_GUEST_ERROR,
1649 "FIMD: bad write offset 0x%08"HWADDR_PRIx"\n",
1650 offset);
1651 break;
1652 }
1653 s->window[(offset - FIMD_SHD_ADD0_START) >> 3].shadow_buf_start = val;
1654 break;
1655 case FIMD_SHD_ADD1_START ... FIMD_SHD_ADD1_END:
1656 if (offset & 0x0004) {
1657 qemu_log_mask(LOG_GUEST_ERROR,
1658 "FIMD: bad write offset 0x%08"HWADDR_PRIx"\n",
1659 offset);
1660 break;
1661 }
1662 s->window[(offset - FIMD_SHD_ADD1_START) >> 3].shadow_buf_end = val;
1663 break;
1664 case FIMD_SHD_ADD2_START ... FIMD_SHD_ADD2_END:
1665 s->window[(offset - FIMD_SHD_ADD2_START) >> 2].shadow_buf_size = val;
1666 break;
1667 case FIMD_PAL_MEM_START ... FIMD_PAL_MEM_END:
1668 w = (offset - FIMD_PAL_MEM_START) >> 10;
1669 i = ((offset - FIMD_PAL_MEM_START) >> 2) & 0xFF;
1670 s->window[w].palette[i] = val;
1671 break;
1672 case FIMD_PALMEM_AL_START ... FIMD_PALMEM_AL_END:
1673 /* Palette memory aliases for windows 0 and 1 */
1674 w = (offset - FIMD_PALMEM_AL_START) >> 10;
1675 i = ((offset - FIMD_PALMEM_AL_START) >> 2) & 0xFF;
1676 s->window[w].palette[i] = val;
1677 break;
1678 default:
1679 qemu_log_mask(LOG_GUEST_ERROR,
1680 "FIMD: bad write offset 0x%08"HWADDR_PRIx"\n", offset);
1681 break;
1682 }
1683 }
1684
1685 static uint64_t exynos4210_fimd_read(void *opaque, hwaddr offset,
1686 unsigned size)
1687 {
1688 Exynos4210fimdState *s = (Exynos4210fimdState *)opaque;
1689 int w, i;
1690 uint32_t ret = 0;
1691
1692 DPRINT_L2("read offset 0x%08x\n", offset);
1693
1694 switch (offset) {
1695 case FIMD_VIDCON0 ... FIMD_VIDCON3:
1696 return s->vidcon[(offset - FIMD_VIDCON0) >> 2];
1697 case FIMD_VIDTCON_START ... FIMD_VIDTCON_END:
1698 return s->vidtcon[(offset - FIMD_VIDTCON_START) >> 2];
1699 case FIMD_WINCON_START ... FIMD_WINCON_END:
1700 return s->window[(offset - FIMD_WINCON_START) >> 2].wincon;
1701 case FIMD_SHADOWCON:
1702 return s->shadowcon;
1703 case FIMD_WINCHMAP:
1704 return s->winchmap;
1705 case FIMD_VIDOSD_START ... FIMD_VIDOSD_END:
1706 w = (offset - FIMD_VIDOSD_START) >> 4;
1707 i = ((offset - FIMD_VIDOSD_START) & 0xF) >> 2;
1708 switch (i) {
1709 case 0:
1710 ret = ((s->window[w].lefttop_x & FIMD_VIDOSD_COORD_MASK) <<
1711 FIMD_VIDOSD_HOR_SHIFT) |
1712 (s->window[w].lefttop_y & FIMD_VIDOSD_COORD_MASK);
1713 break;
1714 case 1:
1715 ret = ((s->window[w].rightbot_x & FIMD_VIDOSD_COORD_MASK) <<
1716 FIMD_VIDOSD_HOR_SHIFT) |
1717 (s->window[w].rightbot_y & FIMD_VIDOSD_COORD_MASK);
1718 break;
1719 case 2:
1720 if (w == 0) {
1721 ret = s->window[w].osdsize;
1722 } else {
1723 ret = (pack_upper_4(s->window[w].alpha_val[0]) <<
1724 FIMD_VIDOSD_AEN0_SHIFT) |
1725 pack_upper_4(s->window[w].alpha_val[1]);
1726 }
1727 break;
1728 case 3:
1729 if (w != 1 && w != 2) {
1730 qemu_log_mask(LOG_GUEST_ERROR,
1731 "FIMD: bad read offset 0x%08"HWADDR_PRIx"\n",
1732 offset);
1733 return 0xBAADBAAD;
1734 }
1735 ret = s->window[w].osdsize;
1736 break;
1737 }
1738 return ret;
1739 case FIMD_VIDWADD0_START ... FIMD_VIDWADD0_END:
1740 w = (offset - FIMD_VIDWADD0_START) >> 3;
1741 i = ((offset - FIMD_VIDWADD0_START) >> 2) & 1;
1742 return s->window[w].buf_start[i];
1743 case FIMD_VIDWADD1_START ... FIMD_VIDWADD1_END:
1744 w = (offset - FIMD_VIDWADD1_START) >> 3;
1745 i = ((offset - FIMD_VIDWADD1_START) >> 2) & 1;
1746 return s->window[w].buf_end[i];
1747 case FIMD_VIDWADD2_START ... FIMD_VIDWADD2_END:
1748 w = (offset - FIMD_VIDWADD2_START) >> 2;
1749 return s->window[w].virtpage_width | (s->window[w].virtpage_offsize <<
1750 FIMD_VIDWADD2_OFFSIZE_SHIFT);
1751 case FIMD_VIDINTCON0 ... FIMD_VIDINTCON1:
1752 return s->vidintcon[(offset - FIMD_VIDINTCON0) >> 2];
1753 case FIMD_WKEYCON_START ... FIMD_WKEYCON_END:
1754 w = ((offset - FIMD_WKEYCON_START) >> 3) + 1;
1755 i = ((offset - FIMD_WKEYCON_START) >> 2) & 1;
1756 return s->window[w].keycon[i];
1757 case FIMD_WKEYALPHA_START ... FIMD_WKEYALPHA_END:
1758 w = ((offset - FIMD_WKEYALPHA_START) >> 2) + 1;
1759 return s->window[w].keyalpha;
1760 case FIMD_DITHMODE:
1761 return s->dithmode;
1762 case FIMD_WINMAP_START ... FIMD_WINMAP_END:
1763 return s->window[(offset - FIMD_WINMAP_START) >> 2].winmap;
1764 case FIMD_WPALCON_HIGH ... FIMD_WPALCON_LOW:
1765 return s->wpalcon[(offset - FIMD_WPALCON_HIGH) >> 2];
1766 case FIMD_TRIGCON:
1767 return s->trigcon;
1768 case FIMD_I80IFCON_START ... FIMD_I80IFCON_END:
1769 return s->i80ifcon[(offset - FIMD_I80IFCON_START) >> 2];
1770 case FIMD_COLORGAINCON:
1771 return s->colorgaincon;
1772 case FIMD_LDI_CMDCON0 ... FIMD_LDI_CMDCON1:
1773 return s->ldi_cmdcon[(offset - FIMD_LDI_CMDCON0) >> 2];
1774 case FIMD_SIFCCON0 ... FIMD_SIFCCON2:
1775 i = (offset - FIMD_SIFCCON0) >> 2;
1776 return s->sifccon[i];
1777 case FIMD_HUECOEFCR_START ... FIMD_HUECOEFCR_END:
1778 i = (offset - FIMD_HUECOEFCR_START) >> 2;
1779 return s->huecoef_cr[i];
1780 case FIMD_HUECOEFCB_START ... FIMD_HUECOEFCB_END:
1781 i = (offset - FIMD_HUECOEFCB_START) >> 2;
1782 return s->huecoef_cb[i];
1783 case FIMD_HUEOFFSET:
1784 return s->hueoffset;
1785 case FIMD_VIDWALPHA_START ... FIMD_VIDWALPHA_END:
1786 w = ((offset - FIMD_VIDWALPHA_START) >> 3);
1787 i = ((offset - FIMD_VIDWALPHA_START) >> 2) & 1;
1788 return s->window[w].alpha_val[i] &
1789 (w == 0 ? 0xFFFFFF : FIMD_VIDALPHA_ALPHA_LOWER);
1790 case FIMD_BLENDEQ_START ... FIMD_BLENDEQ_END:
1791 return s->window[(offset - FIMD_BLENDEQ_START) >> 2].blendeq;
1792 case FIMD_BLENDCON:
1793 return s->blendcon;
1794 case FIMD_WRTQOSCON_START ... FIMD_WRTQOSCON_END:
1795 return s->window[(offset - FIMD_WRTQOSCON_START) >> 2].rtqoscon;
1796 case FIMD_I80IFCMD_START ... FIMD_I80IFCMD_END:
1797 return s->i80ifcmd[(offset - FIMD_I80IFCMD_START) >> 2];
1798 case FIMD_VIDW0ADD0_B2 ... FIMD_VIDW4ADD0_B2:
1799 if (offset & 0x0004) {
1800 break;
1801 }
1802 return s->window[(offset - FIMD_VIDW0ADD0_B2) >> 3].buf_start[2];
1803 case FIMD_SHD_ADD0_START ... FIMD_SHD_ADD0_END:
1804 if (offset & 0x0004) {
1805 break;
1806 }
1807 return s->window[(offset - FIMD_SHD_ADD0_START) >> 3].shadow_buf_start;
1808 case FIMD_SHD_ADD1_START ... FIMD_SHD_ADD1_END:
1809 if (offset & 0x0004) {
1810 break;
1811 }
1812 return s->window[(offset - FIMD_SHD_ADD1_START) >> 3].shadow_buf_end;
1813 case FIMD_SHD_ADD2_START ... FIMD_SHD_ADD2_END:
1814 return s->window[(offset - FIMD_SHD_ADD2_START) >> 2].shadow_buf_size;
1815 case FIMD_PAL_MEM_START ... FIMD_PAL_MEM_END:
1816 w = (offset - FIMD_PAL_MEM_START) >> 10;
1817 i = ((offset - FIMD_PAL_MEM_START) >> 2) & 0xFF;
1818 return s->window[w].palette[i];
1819 case FIMD_PALMEM_AL_START ... FIMD_PALMEM_AL_END:
1820 /* Palette aliases for win 0,1 */
1821 w = (offset - FIMD_PALMEM_AL_START) >> 10;
1822 i = ((offset - FIMD_PALMEM_AL_START) >> 2) & 0xFF;
1823 return s->window[w].palette[i];
1824 }
1825
1826 qemu_log_mask(LOG_GUEST_ERROR,
1827 "FIMD: bad read offset 0x%08"HWADDR_PRIx"\n", offset);
1828 return 0xBAADBAAD;
1829 }
1830
1831 static const MemoryRegionOps exynos4210_fimd_mmio_ops = {
1832 .read = exynos4210_fimd_read,
1833 .write = exynos4210_fimd_write,
1834 .valid = {
1835 .min_access_size = 4,
1836 .max_access_size = 4,
1837 .unaligned = false
1838 },
1839 .endianness = DEVICE_NATIVE_ENDIAN,
1840 };
1841
1842 static int exynos4210_fimd_load(void *opaque, int version_id)
1843 {
1844 Exynos4210fimdState *s = (Exynos4210fimdState *)opaque;
1845 int w;
1846
1847 if (version_id != 1) {
1848 return -EINVAL;
1849 }
1850
1851 for (w = 0; w < NUM_OF_WINDOWS; w++) {
1852 exynos4210_fimd_update_win_bppmode(s, w);
1853 fimd_update_get_alpha(s, w);
1854 fimd_update_memory_section(s, w);
1855 }
1856
1857 /* Redraw the whole screen */
1858 exynos4210_update_resolution(s);
1859 exynos4210_fimd_invalidate(s);
1860 exynos4210_fimd_enable(s, (s->vidcon[0] & FIMD_VIDCON0_ENVID_MASK) ==
1861 FIMD_VIDCON0_ENVID_MASK);
1862 return 0;
1863 }
1864
1865 static const VMStateDescription exynos4210_fimd_window_vmstate = {
1866 .name = "exynos4210.fimd_window",
1867 .version_id = 1,
1868 .minimum_version_id = 1,
1869 .fields = (const VMStateField[]) {
1870 VMSTATE_UINT32(wincon, Exynos4210fimdWindow),
1871 VMSTATE_UINT32_ARRAY(buf_start, Exynos4210fimdWindow, 3),
1872 VMSTATE_UINT32_ARRAY(buf_end, Exynos4210fimdWindow, 3),
1873 VMSTATE_UINT32_ARRAY(keycon, Exynos4210fimdWindow, 2),
1874 VMSTATE_UINT32(keyalpha, Exynos4210fimdWindow),
1875 VMSTATE_UINT32(winmap, Exynos4210fimdWindow),
1876 VMSTATE_UINT32(blendeq, Exynos4210fimdWindow),
1877 VMSTATE_UINT32(rtqoscon, Exynos4210fimdWindow),
1878 VMSTATE_UINT32_ARRAY(palette, Exynos4210fimdWindow, 256),
1879 VMSTATE_UINT32(shadow_buf_start, Exynos4210fimdWindow),
1880 VMSTATE_UINT32(shadow_buf_end, Exynos4210fimdWindow),
1881 VMSTATE_UINT32(shadow_buf_size, Exynos4210fimdWindow),
1882 VMSTATE_UINT16(lefttop_x, Exynos4210fimdWindow),
1883 VMSTATE_UINT16(lefttop_y, Exynos4210fimdWindow),
1884 VMSTATE_UINT16(rightbot_x, Exynos4210fimdWindow),
1885 VMSTATE_UINT16(rightbot_y, Exynos4210fimdWindow),
1886 VMSTATE_UINT32(osdsize, Exynos4210fimdWindow),
1887 VMSTATE_UINT32_ARRAY(alpha_val, Exynos4210fimdWindow, 2),
1888 VMSTATE_UINT16(virtpage_width, Exynos4210fimdWindow),
1889 VMSTATE_UINT16(virtpage_offsize, Exynos4210fimdWindow),
1890 VMSTATE_END_OF_LIST()
1891 }
1892 };
1893
1894 static const VMStateDescription exynos4210_fimd_vmstate = {
1895 .name = "exynos4210.fimd",
1896 .version_id = 1,
1897 .minimum_version_id = 1,
1898 .post_load = exynos4210_fimd_load,
1899 .fields = (const VMStateField[]) {
1900 VMSTATE_UINT32_ARRAY(vidcon, Exynos4210fimdState, 4),
1901 VMSTATE_UINT32_ARRAY(vidtcon, Exynos4210fimdState, 4),
1902 VMSTATE_UINT32(shadowcon, Exynos4210fimdState),
1903 VMSTATE_UINT32(winchmap, Exynos4210fimdState),
1904 VMSTATE_UINT32_ARRAY(vidintcon, Exynos4210fimdState, 2),
1905 VMSTATE_UINT32(dithmode, Exynos4210fimdState),
1906 VMSTATE_UINT32_ARRAY(wpalcon, Exynos4210fimdState, 2),
1907 VMSTATE_UINT32(trigcon, Exynos4210fimdState),
1908 VMSTATE_UINT32_ARRAY(i80ifcon, Exynos4210fimdState, 4),
1909 VMSTATE_UINT32(colorgaincon, Exynos4210fimdState),
1910 VMSTATE_UINT32_ARRAY(ldi_cmdcon, Exynos4210fimdState, 2),
1911 VMSTATE_UINT32_ARRAY(sifccon, Exynos4210fimdState, 3),
1912 VMSTATE_UINT32_ARRAY(huecoef_cr, Exynos4210fimdState, 4),
1913 VMSTATE_UINT32_ARRAY(huecoef_cb, Exynos4210fimdState, 4),
1914 VMSTATE_UINT32(hueoffset, Exynos4210fimdState),
1915 VMSTATE_UINT32_ARRAY(i80ifcmd, Exynos4210fimdState, 12),
1916 VMSTATE_UINT32(blendcon, Exynos4210fimdState),
1917 VMSTATE_STRUCT_ARRAY(window, Exynos4210fimdState, 5, 1,
1918 exynos4210_fimd_window_vmstate, Exynos4210fimdWindow),
1919 VMSTATE_END_OF_LIST()
1920 }
1921 };
1922
1923 static const GraphicHwOps exynos4210_fimd_ops = {
1924 .invalidate = exynos4210_fimd_invalidate,
1925 .gfx_update = exynos4210_fimd_update,
1926 };
1927
1928 static Property exynos4210_fimd_properties[] = {
1929 DEFINE_PROP_LINK("framebuffer-memory", Exynos4210fimdState, fbmem,
1930 TYPE_MEMORY_REGION, MemoryRegion *),
1931 DEFINE_PROP_END_OF_LIST(),
1932 };
1933
1934 static void exynos4210_fimd_init(Object *obj)
1935 {
1936 Exynos4210fimdState *s = EXYNOS4210_FIMD(obj);
1937 SysBusDevice *dev = SYS_BUS_DEVICE(obj);
1938
1939 s->ifb = NULL;
1940
1941 sysbus_init_irq(dev, &s->irq[0]);
1942 sysbus_init_irq(dev, &s->irq[1]);
1943 sysbus_init_irq(dev, &s->irq[2]);
1944
1945 memory_region_init_io(&s->iomem, obj, &exynos4210_fimd_mmio_ops, s,
1946 "exynos4210.fimd", FIMD_REGS_SIZE);
1947 sysbus_init_mmio(dev, &s->iomem);
1948 }
1949
1950 static void exynos4210_fimd_realize(DeviceState *dev, Error **errp)
1951 {
1952 Exynos4210fimdState *s = EXYNOS4210_FIMD(dev);
1953
1954 if (!s->fbmem) {
1955 error_setg(errp, "'framebuffer-memory' property was not set");
1956 return;
1957 }
1958
1959 s->console = graphic_console_init(dev, 0, &exynos4210_fimd_ops, s);
1960 }
1961
1962 static void exynos4210_fimd_class_init(ObjectClass *klass, void *data)
1963 {
1964 DeviceClass *dc = DEVICE_CLASS(klass);
1965
1966 dc->vmsd = &exynos4210_fimd_vmstate;
1967 dc->reset = exynos4210_fimd_reset;
1968 dc->realize = exynos4210_fimd_realize;
1969 device_class_set_props(dc, exynos4210_fimd_properties);
1970 }
1971
1972 static const TypeInfo exynos4210_fimd_info = {
1973 .name = TYPE_EXYNOS4210_FIMD,
1974 .parent = TYPE_SYS_BUS_DEVICE,
1975 .instance_size = sizeof(Exynos4210fimdState),
1976 .instance_init = exynos4210_fimd_init,
1977 .class_init = exynos4210_fimd_class_init,
1978 };
1979
1980 static void exynos4210_fimd_register_types(void)
1981 {
1982 type_register_static(&exynos4210_fimd_info);
1983 }
1984
1985 type_init(exynos4210_fimd_register_types)
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