xref: /openbmc/qemu/hw/display/exynos4210_fimd.c (revision 28ae3179fc52d2e4d870b635c4a412aab99759e7)
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 */
fimd_swap_data(unsigned int swap_ctl,uint64_t * data)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 */
pixel_a232_to_rgb(uint32_t pixel,rgba * p)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 */
pixel_1555_to_rgb(uint32_t pixel,rgba * p)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  
put_pixel_ifb(const rgba p,uint8_t * d)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  
get_pixel_ifb(const uint8_t * s,rgba * p)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
exynos4210_fimd_palette_format(Exynos4210fimdState * s,int window)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] */
fimd_mult_each_byte(uint32_t a,uint32_t b)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
fimd_mult_and_sum_each_byte(uint32_t a,uint32_t b,uint32_t c,uint32_t d)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  
fimd_get_alpha_pix(Exynos4210fimdWindow * w,uint32_t pix_a)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
fimd_get_alpha_pix_extlow(Exynos4210fimdWindow * w,uint32_t pix_a)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
fimd_get_alpha_pix_exthigh(Exynos4210fimdWindow * w,uint32_t pix_a)599  fimd_get_alpha_pix_exthigh(Exynos4210fimdWindow *w, uint32_t pix_a)
600  {
601      return EXTEND_UPPER_HALFBYTE(pix_a);
602  }
603  
fimd_get_alpha_mult(Exynos4210fimdWindow * w,uint32_t pix_a)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  
fimd_get_alpha_mult_ext(Exynos4210fimdWindow * w,uint32_t pix_a)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  
fimd_get_alpha_aen(Exynos4210fimdWindow * w,uint32_t pix_a)615  static uint32_t fimd_get_alpha_aen(Exynos4210fimdWindow *w, uint32_t pix_a)
616  {
617      return w->alpha_val[pix_a];
618  }
619  
fimd_get_alpha_aen_ext(Exynos4210fimdWindow * w,uint32_t pix_a)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  
fimd_get_alpha_sel(Exynos4210fimdWindow * w,uint32_t pix_a)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  
fimd_get_alpha_sel_ext(Exynos4210fimdWindow * w,uint32_t pix_a)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 */
fimd_update_get_alpha(Exynos4210fimdState * s,int win)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
exynos4210_fimd_blend_pixel(Exynos4210fimdWindow * w,rgba p_bg,rgba * ret)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 */
draw_line_mapcolor(Exynos4210fimdWindow * w,uint8_t * src,uint8_t * dst,bool blend)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  
put_to_qemufb_pixel8(const rgba p,uint8_t * d)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  
put_to_qemufb_pixel15(const rgba p,uint8_t * d)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  
put_to_qemufb_pixel16(const rgba p,uint8_t * d)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  
put_to_qemufb_pixel24(const rgba p,uint8_t * d)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  
put_to_qemufb_pixel32(const rgba p,uint8_t * d)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);
fimd_update_putpix_qemu(int bpp)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 */
fimd_copy_line_toqemu(int width,uint8_t * src,uint8_t * dst)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 */
exynos4210_fimd_update_win_bppmode(Exynos4210fimdState * s,int win)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
exynos4210_fimd_get_bppmode(int mode_code)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  
exynos4210_fimd_trace_bppmode(Exynos4210fimdState * s,int win_num,uint32_t val)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
exynos4210_fimd_trace_bppmode(Exynos4210fimdState * s,int win_num,uint32_t val)1093  static inline void exynos4210_fimd_trace_bppmode(Exynos4210fimdState *s,
1094          int win_num, uint32_t val)
1095  {
1096  
1097  }
1098  #endif
1099  
fimd_get_buffer_id(Exynos4210fimdWindow * w)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  
exynos4210_fimd_invalidate(void * opaque)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 */
fimd_update_memory_section(Exynos4210fimdState * s,unsigned win)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  
exynos4210_fimd_enable(Exynos4210fimdState * s,bool enabled)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  
unpack_upper_4(uint32_t x)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  
pack_upper_4(uint32_t x)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  
exynos4210_fimd_update_irq(Exynos4210fimdState * s)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  
exynos4210_update_resolution(Exynos4210fimdState * s)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  
exynos4210_fimd_update(void * opaque)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  
exynos4210_fimd_reset(DeviceState * d)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  
exynos4210_fimd_write(void * opaque,hwaddr offset,uint64_t val,unsigned size)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  
exynos4210_fimd_read(void * opaque,hwaddr offset,unsigned size)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  
exynos4210_fimd_load(void * opaque,int version_id)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  
exynos4210_fimd_init(Object * obj)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  
exynos4210_fimd_realize(DeviceState * dev,Error ** errp)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  
exynos4210_fimd_class_init(ObjectClass * klass,void * data)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      device_class_set_legacy_reset(dc, 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  
exynos4210_fimd_register_types(void)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)
1986