2 * Intel XScale PXA255/270 LCDC emulation.
4 * Copyright (c) 2006 Openedhand Ltd.
7 * This code is licensed under the GPLv2.
9 * Contributions after 2012-01-13 are licensed under the terms of the
10 * GNU GPL, version 2 or (at your option) any later version.
13 #include "qemu/osdep.h"
15 #include "ui/console.h"
16 #include "hw/arm/pxa.h"
17 #include "ui/pixel_ops.h"
18 /* FIXME: For graphic_rotate. Should probably be done in common code. */
19 #include "sysemu/sysemu.h"
20 #include "framebuffer.h"
25 uint8_t palette[1024];
26 uint8_t pbuffer[1024];
27 void (*redraw)(PXA2xxLCDState *s, hwaddr addr,
28 int *miny, int *maxy);
36 struct PXA2xxLCDState {
39 MemoryRegionSection fbsection;
74 struct DMAChannel dma_ch[7];
80 typedef struct QEMU_PACKED {
87 #define LCCR0 0x000 /* LCD Controller Control register 0 */
88 #define LCCR1 0x004 /* LCD Controller Control register 1 */
89 #define LCCR2 0x008 /* LCD Controller Control register 2 */
90 #define LCCR3 0x00c /* LCD Controller Control register 3 */
91 #define LCCR4 0x010 /* LCD Controller Control register 4 */
92 #define LCCR5 0x014 /* LCD Controller Control register 5 */
94 #define FBR0 0x020 /* DMA Channel 0 Frame Branch register */
95 #define FBR1 0x024 /* DMA Channel 1 Frame Branch register */
96 #define FBR2 0x028 /* DMA Channel 2 Frame Branch register */
97 #define FBR3 0x02c /* DMA Channel 3 Frame Branch register */
98 #define FBR4 0x030 /* DMA Channel 4 Frame Branch register */
99 #define FBR5 0x110 /* DMA Channel 5 Frame Branch register */
100 #define FBR6 0x114 /* DMA Channel 6 Frame Branch register */
102 #define LCSR1 0x034 /* LCD Controller Status register 1 */
103 #define LCSR0 0x038 /* LCD Controller Status register 0 */
104 #define LIIDR 0x03c /* LCD Controller Interrupt ID register */
106 #define TRGBR 0x040 /* TMED RGB Seed register */
107 #define TCR 0x044 /* TMED Control register */
109 #define OVL1C1 0x050 /* Overlay 1 Control register 1 */
110 #define OVL1C2 0x060 /* Overlay 1 Control register 2 */
111 #define OVL2C1 0x070 /* Overlay 2 Control register 1 */
112 #define OVL2C2 0x080 /* Overlay 2 Control register 2 */
113 #define CCR 0x090 /* Cursor Control register */
115 #define CMDCR 0x100 /* Command Control register */
116 #define PRSR 0x104 /* Panel Read Status register */
118 #define PXA_LCDDMA_CHANS 7
119 #define DMA_FDADR 0x00 /* Frame Descriptor Address register */
120 #define DMA_FSADR 0x04 /* Frame Source Address register */
121 #define DMA_FIDR 0x08 /* Frame ID register */
122 #define DMA_LDCMD 0x0c /* Command register */
124 /* LCD Buffer Strength Control register */
125 #define BSCNTR 0x04000054
128 #define LCCR0_ENB (1 << 0)
129 #define LCCR0_CMS (1 << 1)
130 #define LCCR0_SDS (1 << 2)
131 #define LCCR0_LDM (1 << 3)
132 #define LCCR0_SOFM0 (1 << 4)
133 #define LCCR0_IUM (1 << 5)
134 #define LCCR0_EOFM0 (1 << 6)
135 #define LCCR0_PAS (1 << 7)
136 #define LCCR0_DPD (1 << 9)
137 #define LCCR0_DIS (1 << 10)
138 #define LCCR0_QDM (1 << 11)
139 #define LCCR0_PDD (0xff << 12)
140 #define LCCR0_BSM0 (1 << 20)
141 #define LCCR0_OUM (1 << 21)
142 #define LCCR0_LCDT (1 << 22)
143 #define LCCR0_RDSTM (1 << 23)
144 #define LCCR0_CMDIM (1 << 24)
145 #define LCCR0_OUC (1 << 25)
146 #define LCCR0_LDDALT (1 << 26)
147 #define LCCR1_PPL(x) ((x) & 0x3ff)
148 #define LCCR2_LPP(x) ((x) & 0x3ff)
149 #define LCCR3_API (15 << 16)
150 #define LCCR3_BPP(x) ((((x) >> 24) & 7) | (((x) >> 26) & 8))
151 #define LCCR3_PDFOR(x) (((x) >> 30) & 3)
152 #define LCCR4_K1(x) (((x) >> 0) & 7)
153 #define LCCR4_K2(x) (((x) >> 3) & 7)
154 #define LCCR4_K3(x) (((x) >> 6) & 7)
155 #define LCCR4_PALFOR(x) (((x) >> 15) & 3)
156 #define LCCR5_SOFM(ch) (1 << (ch - 1))
157 #define LCCR5_EOFM(ch) (1 << (ch + 7))
158 #define LCCR5_BSM(ch) (1 << (ch + 15))
159 #define LCCR5_IUM(ch) (1 << (ch + 23))
160 #define OVLC1_EN (1 << 31)
161 #define CCR_CEN (1 << 31)
162 #define FBR_BRA (1 << 0)
163 #define FBR_BINT (1 << 1)
164 #define FBR_SRCADDR (0xfffffff << 4)
165 #define LCSR0_LDD (1 << 0)
166 #define LCSR0_SOF0 (1 << 1)
167 #define LCSR0_BER (1 << 2)
168 #define LCSR0_ABC (1 << 3)
169 #define LCSR0_IU0 (1 << 4)
170 #define LCSR0_IU1 (1 << 5)
171 #define LCSR0_OU (1 << 6)
172 #define LCSR0_QD (1 << 7)
173 #define LCSR0_EOF0 (1 << 8)
174 #define LCSR0_BS0 (1 << 9)
175 #define LCSR0_SINT (1 << 10)
176 #define LCSR0_RDST (1 << 11)
177 #define LCSR0_CMDINT (1 << 12)
178 #define LCSR0_BERCH(x) (((x) & 7) << 28)
179 #define LCSR1_SOF(ch) (1 << (ch - 1))
180 #define LCSR1_EOF(ch) (1 << (ch + 7))
181 #define LCSR1_BS(ch) (1 << (ch + 15))
182 #define LCSR1_IU(ch) (1 << (ch + 23))
183 #define LDCMD_LENGTH(x) ((x) & 0x001ffffc)
184 #define LDCMD_EOFINT (1 << 21)
185 #define LDCMD_SOFINT (1 << 22)
186 #define LDCMD_PAL (1 << 26)
188 /* Route internal interrupt lines to the global IC */
189 static void pxa2xx_lcdc_int_update(PXA2xxLCDState *s)
192 level |= (s->status[0] & LCSR0_LDD) && !(s->control[0] & LCCR0_LDM);
193 level |= (s->status[0] & LCSR0_SOF0) && !(s->control[0] & LCCR0_SOFM0);
194 level |= (s->status[0] & LCSR0_IU0) && !(s->control[0] & LCCR0_IUM);
195 level |= (s->status[0] & LCSR0_IU1) && !(s->control[5] & LCCR5_IUM(1));
196 level |= (s->status[0] & LCSR0_OU) && !(s->control[0] & LCCR0_OUM);
197 level |= (s->status[0] & LCSR0_QD) && !(s->control[0] & LCCR0_QDM);
198 level |= (s->status[0] & LCSR0_EOF0) && !(s->control[0] & LCCR0_EOFM0);
199 level |= (s->status[0] & LCSR0_BS0) && !(s->control[0] & LCCR0_BSM0);
200 level |= (s->status[0] & LCSR0_RDST) && !(s->control[0] & LCCR0_RDSTM);
201 level |= (s->status[0] & LCSR0_CMDINT) && !(s->control[0] & LCCR0_CMDIM);
202 level |= (s->status[1] & ~s->control[5]);
204 qemu_set_irq(s->irq, !!level);
208 /* Set Branch Status interrupt high and poke associated registers */
209 static inline void pxa2xx_dma_bs_set(PXA2xxLCDState *s, int ch)
213 s->status[0] |= LCSR0_BS0;
214 unmasked = !(s->control[0] & LCCR0_BSM0);
216 s->status[1] |= LCSR1_BS(ch);
217 unmasked = !(s->control[5] & LCCR5_BSM(ch));
222 s->status[0] |= LCSR0_SINT;
224 s->liidr = s->dma_ch[ch].id;
228 /* Set Start Of Frame Status interrupt high and poke associated registers */
229 static inline void pxa2xx_dma_sof_set(PXA2xxLCDState *s, int ch)
232 if (!(s->dma_ch[ch].command & LDCMD_SOFINT))
236 s->status[0] |= LCSR0_SOF0;
237 unmasked = !(s->control[0] & LCCR0_SOFM0);
239 s->status[1] |= LCSR1_SOF(ch);
240 unmasked = !(s->control[5] & LCCR5_SOFM(ch));
245 s->status[0] |= LCSR0_SINT;
247 s->liidr = s->dma_ch[ch].id;
251 /* Set End Of Frame Status interrupt high and poke associated registers */
252 static inline void pxa2xx_dma_eof_set(PXA2xxLCDState *s, int ch)
255 if (!(s->dma_ch[ch].command & LDCMD_EOFINT))
259 s->status[0] |= LCSR0_EOF0;
260 unmasked = !(s->control[0] & LCCR0_EOFM0);
262 s->status[1] |= LCSR1_EOF(ch);
263 unmasked = !(s->control[5] & LCCR5_EOFM(ch));
268 s->status[0] |= LCSR0_SINT;
270 s->liidr = s->dma_ch[ch].id;
274 /* Set Bus Error Status interrupt high and poke associated registers */
275 static inline void pxa2xx_dma_ber_set(PXA2xxLCDState *s, int ch)
277 s->status[0] |= LCSR0_BERCH(ch) | LCSR0_BER;
279 s->status[0] |= LCSR0_SINT;
281 s->liidr = s->dma_ch[ch].id;
284 /* Load new Frame Descriptors from DMA */
285 static void pxa2xx_descriptor_load(PXA2xxLCDState *s)
287 PXAFrameDescriptor desc;
291 for (i = 0; i < PXA_LCDDMA_CHANS; i ++) {
292 s->dma_ch[i].source = 0;
294 if (!s->dma_ch[i].up)
297 if (s->dma_ch[i].branch & FBR_BRA) {
298 descptr = s->dma_ch[i].branch & FBR_SRCADDR;
299 if (s->dma_ch[i].branch & FBR_BINT)
300 pxa2xx_dma_bs_set(s, i);
301 s->dma_ch[i].branch &= ~FBR_BRA;
303 descptr = s->dma_ch[i].descriptor;
305 if (!((descptr >= PXA2XX_SDRAM_BASE && descptr +
306 sizeof(desc) <= PXA2XX_SDRAM_BASE + ram_size) ||
307 (descptr >= PXA2XX_INTERNAL_BASE && descptr + sizeof(desc) <=
308 PXA2XX_INTERNAL_BASE + PXA2XX_INTERNAL_SIZE))) {
312 cpu_physical_memory_read(descptr, &desc, sizeof(desc));
313 s->dma_ch[i].descriptor = le32_to_cpu(desc.fdaddr);
314 s->dma_ch[i].source = le32_to_cpu(desc.fsaddr);
315 s->dma_ch[i].id = le32_to_cpu(desc.fidr);
316 s->dma_ch[i].command = le32_to_cpu(desc.ldcmd);
320 static uint64_t pxa2xx_lcdc_read(void *opaque, hwaddr offset,
323 PXA2xxLCDState *s = (PXA2xxLCDState *) opaque;
328 return s->control[0];
330 return s->control[1];
332 return s->control[2];
334 return s->control[3];
336 return s->control[4];
338 return s->control[5];
360 case 0x200 ... 0x1000: /* DMA per-channel registers */
361 ch = (offset - 0x200) >> 4;
362 if (!(ch >= 0 && ch < PXA_LCDDMA_CHANS))
365 switch (offset & 0xf) {
367 return s->dma_ch[ch].descriptor;
369 return s->dma_ch[ch].source;
371 return s->dma_ch[ch].id;
373 return s->dma_ch[ch].command;
379 return s->dma_ch[0].branch;
381 return s->dma_ch[1].branch;
383 return s->dma_ch[2].branch;
385 return s->dma_ch[3].branch;
387 return s->dma_ch[4].branch;
389 return s->dma_ch[5].branch;
391 return s->dma_ch[6].branch;
408 hw_error("%s: Bad offset " REG_FMT "\n", __FUNCTION__, offset);
414 static void pxa2xx_lcdc_write(void *opaque, hwaddr offset,
415 uint64_t value, unsigned size)
417 PXA2xxLCDState *s = (PXA2xxLCDState *) opaque;
422 /* ACK Quick Disable done */
423 if ((s->control[0] & LCCR0_ENB) && !(value & LCCR0_ENB))
424 s->status[0] |= LCSR0_QD;
426 if (!(s->control[0] & LCCR0_LCDT) && (value & LCCR0_LCDT))
427 printf("%s: internal frame buffer unsupported\n", __FUNCTION__);
429 if ((s->control[3] & LCCR3_API) &&
430 (value & LCCR0_ENB) && !(value & LCCR0_LCDT))
431 s->status[0] |= LCSR0_ABC;
433 s->control[0] = value & 0x07ffffff;
434 pxa2xx_lcdc_int_update(s);
436 s->dma_ch[0].up = !!(value & LCCR0_ENB);
437 s->dma_ch[1].up = (s->ovl1c[0] & OVLC1_EN) || (value & LCCR0_SDS);
441 s->control[1] = value;
445 s->control[2] = value;
449 s->control[3] = value & 0xefffffff;
450 s->bpp = LCCR3_BPP(value);
454 s->control[4] = value & 0x83ff81ff;
458 s->control[5] = value & 0x3f3f3f3f;
462 if (!(s->ovl1c[0] & OVLC1_EN) && (value & OVLC1_EN))
463 printf("%s: Overlay 1 not supported\n", __FUNCTION__);
465 s->ovl1c[0] = value & 0x80ffffff;
466 s->dma_ch[1].up = (value & OVLC1_EN) || (s->control[0] & LCCR0_SDS);
470 s->ovl1c[1] = value & 0x000fffff;
474 if (!(s->ovl2c[0] & OVLC1_EN) && (value & OVLC1_EN))
475 printf("%s: Overlay 2 not supported\n", __FUNCTION__);
477 s->ovl2c[0] = value & 0x80ffffff;
478 s->dma_ch[2].up = !!(value & OVLC1_EN);
479 s->dma_ch[3].up = !!(value & OVLC1_EN);
480 s->dma_ch[4].up = !!(value & OVLC1_EN);
484 s->ovl2c[1] = value & 0x007fffff;
488 if (!(s->ccr & CCR_CEN) && (value & CCR_CEN))
489 printf("%s: Hardware cursor unimplemented\n", __FUNCTION__);
491 s->ccr = value & 0x81ffffe7;
492 s->dma_ch[5].up = !!(value & CCR_CEN);
496 s->cmdcr = value & 0xff;
500 s->trgbr = value & 0x00ffffff;
504 s->tcr = value & 0x7fff;
507 case 0x200 ... 0x1000: /* DMA per-channel registers */
508 ch = (offset - 0x200) >> 4;
509 if (!(ch >= 0 && ch < PXA_LCDDMA_CHANS))
512 switch (offset & 0xf) {
514 s->dma_ch[ch].descriptor = value & 0xfffffff0;
523 s->dma_ch[0].branch = value & 0xfffffff3;
526 s->dma_ch[1].branch = value & 0xfffffff3;
529 s->dma_ch[2].branch = value & 0xfffffff3;
532 s->dma_ch[3].branch = value & 0xfffffff3;
535 s->dma_ch[4].branch = value & 0xfffffff3;
538 s->dma_ch[5].branch = value & 0xfffffff3;
541 s->dma_ch[6].branch = value & 0xfffffff3;
545 s->bscntr = value & 0xf;
552 s->status[0] &= ~(value & 0xfff);
553 if (value & LCSR0_BER)
554 s->status[0] &= ~LCSR0_BERCH(7);
558 s->status[1] &= ~(value & 0x3e3f3f);
563 hw_error("%s: Bad offset " REG_FMT "\n", __FUNCTION__, offset);
567 static const MemoryRegionOps pxa2xx_lcdc_ops = {
568 .read = pxa2xx_lcdc_read,
569 .write = pxa2xx_lcdc_write,
570 .endianness = DEVICE_NATIVE_ENDIAN,
573 /* Load new palette for a given DMA channel, convert to internal format */
574 static void pxa2xx_palette_parse(PXA2xxLCDState *s, int ch, int bpp)
576 DisplaySurface *surface = qemu_console_surface(s->con);
577 int i, n, format, r, g, b, alpha;
580 s->pal_for = LCCR4_PALFOR(s->control[4]);
598 src = (uint8_t *) s->dma_ch[ch].pbuffer;
599 dest = (uint32_t *) s->dma_ch[ch].palette;
600 alpha = r = g = b = 0;
602 for (i = 0; i < n; i ++) {
604 case 0: /* 16 bpp, no transparency */
606 if (s->control[0] & LCCR0_CMS) {
607 r = g = b = *(uint16_t *) src & 0xff;
610 r = (*(uint16_t *) src & 0xf800) >> 8;
611 g = (*(uint16_t *) src & 0x07e0) >> 3;
612 b = (*(uint16_t *) src & 0x001f) << 3;
616 case 1: /* 16 bpp plus transparency */
617 alpha = *(uint32_t *) src & (1 << 24);
618 if (s->control[0] & LCCR0_CMS)
619 r = g = b = *(uint32_t *) src & 0xff;
621 r = (*(uint32_t *) src & 0xf80000) >> 16;
622 g = (*(uint32_t *) src & 0x00fc00) >> 8;
623 b = (*(uint32_t *) src & 0x0000f8);
627 case 2: /* 18 bpp plus transparency */
628 alpha = *(uint32_t *) src & (1 << 24);
629 if (s->control[0] & LCCR0_CMS)
630 r = g = b = *(uint32_t *) src & 0xff;
632 r = (*(uint32_t *) src & 0xfc0000) >> 16;
633 g = (*(uint32_t *) src & 0x00fc00) >> 8;
634 b = (*(uint32_t *) src & 0x0000fc);
638 case 3: /* 24 bpp plus transparency */
639 alpha = *(uint32_t *) src & (1 << 24);
640 if (s->control[0] & LCCR0_CMS)
641 r = g = b = *(uint32_t *) src & 0xff;
643 r = (*(uint32_t *) src & 0xff0000) >> 16;
644 g = (*(uint32_t *) src & 0x00ff00) >> 8;
645 b = (*(uint32_t *) src & 0x0000ff);
650 switch (surface_bits_per_pixel(surface)) {
652 *dest = rgb_to_pixel8(r, g, b) | alpha;
655 *dest = rgb_to_pixel15(r, g, b) | alpha;
658 *dest = rgb_to_pixel16(r, g, b) | alpha;
661 *dest = rgb_to_pixel24(r, g, b) | alpha;
664 *dest = rgb_to_pixel32(r, g, b) | alpha;
671 static void pxa2xx_lcdc_dma0_redraw_rot0(PXA2xxLCDState *s,
672 hwaddr addr, int *miny, int *maxy)
674 DisplaySurface *surface = qemu_console_surface(s->con);
675 int src_width, dest_width;
678 fn = s->line_fn[s->transp][s->bpp];
682 src_width = (s->xres + 3) & ~3; /* Pad to a 4 pixels multiple */
683 if (s->bpp == pxa_lcdc_19pbpp || s->bpp == pxa_lcdc_18pbpp)
685 else if (s->bpp > pxa_lcdc_16bpp)
687 else if (s->bpp > pxa_lcdc_8bpp)
690 dest_width = s->xres * s->dest_width;
692 if (s->invalidated) {
693 framebuffer_update_memory_section(&s->fbsection, s->sysmem,
694 addr, s->yres, src_width);
696 framebuffer_update_display(surface, &s->fbsection, s->xres, s->yres,
697 src_width, dest_width, s->dest_width,
699 fn, s->dma_ch[0].palette, miny, maxy);
702 static void pxa2xx_lcdc_dma0_redraw_rot90(PXA2xxLCDState *s,
703 hwaddr addr, int *miny, int *maxy)
705 DisplaySurface *surface = qemu_console_surface(s->con);
706 int src_width, dest_width;
709 fn = s->line_fn[s->transp][s->bpp];
713 src_width = (s->xres + 3) & ~3; /* Pad to a 4 pixels multiple */
714 if (s->bpp == pxa_lcdc_19pbpp || s->bpp == pxa_lcdc_18pbpp)
716 else if (s->bpp > pxa_lcdc_16bpp)
718 else if (s->bpp > pxa_lcdc_8bpp)
721 dest_width = s->yres * s->dest_width;
723 if (s->invalidated) {
724 framebuffer_update_memory_section(&s->fbsection, s->sysmem,
725 addr, s->yres, src_width);
727 framebuffer_update_display(surface, &s->fbsection, s->xres, s->yres,
728 src_width, s->dest_width, -dest_width,
730 fn, s->dma_ch[0].palette,
734 static void pxa2xx_lcdc_dma0_redraw_rot180(PXA2xxLCDState *s,
735 hwaddr addr, int *miny, int *maxy)
737 DisplaySurface *surface = qemu_console_surface(s->con);
738 int src_width, dest_width;
741 fn = s->line_fn[s->transp][s->bpp];
747 src_width = (s->xres + 3) & ~3; /* Pad to a 4 pixels multiple */
748 if (s->bpp == pxa_lcdc_19pbpp || s->bpp == pxa_lcdc_18pbpp) {
750 } else if (s->bpp > pxa_lcdc_16bpp) {
752 } else if (s->bpp > pxa_lcdc_8bpp) {
756 dest_width = s->xres * s->dest_width;
758 if (s->invalidated) {
759 framebuffer_update_memory_section(&s->fbsection, s->sysmem,
760 addr, s->yres, src_width);
762 framebuffer_update_display(surface, &s->fbsection, s->xres, s->yres,
763 src_width, -dest_width, -s->dest_width,
765 fn, s->dma_ch[0].palette, miny, maxy);
768 static void pxa2xx_lcdc_dma0_redraw_rot270(PXA2xxLCDState *s,
769 hwaddr addr, int *miny, int *maxy)
771 DisplaySurface *surface = qemu_console_surface(s->con);
772 int src_width, dest_width;
775 fn = s->line_fn[s->transp][s->bpp];
781 src_width = (s->xres + 3) & ~3; /* Pad to a 4 pixels multiple */
782 if (s->bpp == pxa_lcdc_19pbpp || s->bpp == pxa_lcdc_18pbpp) {
784 } else if (s->bpp > pxa_lcdc_16bpp) {
786 } else if (s->bpp > pxa_lcdc_8bpp) {
790 dest_width = s->yres * s->dest_width;
792 if (s->invalidated) {
793 framebuffer_update_memory_section(&s->fbsection, s->sysmem,
794 addr, s->yres, src_width);
796 framebuffer_update_display(surface, &s->fbsection, s->xres, s->yres,
797 src_width, -s->dest_width, dest_width,
799 fn, s->dma_ch[0].palette,
803 static void pxa2xx_lcdc_resize(PXA2xxLCDState *s)
806 if (!(s->control[0] & LCCR0_ENB))
809 width = LCCR1_PPL(s->control[1]) + 1;
810 height = LCCR2_LPP(s->control[2]) + 1;
812 if (width != s->xres || height != s->yres) {
813 if (s->orientation == 90 || s->orientation == 270) {
814 qemu_console_resize(s->con, height, width);
816 qemu_console_resize(s->con, width, height);
824 static void pxa2xx_update_display(void *opaque)
826 PXA2xxLCDState *s = (PXA2xxLCDState *) opaque;
830 if (!(s->control[0] & LCCR0_ENB))
833 pxa2xx_descriptor_load(s);
835 pxa2xx_lcdc_resize(s);
838 s->transp = s->dma_ch[2].up || s->dma_ch[3].up;
839 /* Note: With overlay planes the order depends on LCCR0 bit 25. */
840 for (ch = 0; ch < PXA_LCDDMA_CHANS; ch ++)
841 if (s->dma_ch[ch].up) {
842 if (!s->dma_ch[ch].source) {
843 pxa2xx_dma_ber_set(s, ch);
846 fbptr = s->dma_ch[ch].source;
847 if (!((fbptr >= PXA2XX_SDRAM_BASE &&
848 fbptr <= PXA2XX_SDRAM_BASE + ram_size) ||
849 (fbptr >= PXA2XX_INTERNAL_BASE &&
850 fbptr <= PXA2XX_INTERNAL_BASE + PXA2XX_INTERNAL_SIZE))) {
851 pxa2xx_dma_ber_set(s, ch);
855 if (s->dma_ch[ch].command & LDCMD_PAL) {
856 cpu_physical_memory_read(fbptr, s->dma_ch[ch].pbuffer,
857 MAX(LDCMD_LENGTH(s->dma_ch[ch].command),
858 sizeof(s->dma_ch[ch].pbuffer)));
859 pxa2xx_palette_parse(s, ch, s->bpp);
861 /* Do we need to reparse palette */
862 if (LCCR4_PALFOR(s->control[4]) != s->pal_for)
863 pxa2xx_palette_parse(s, ch, s->bpp);
865 /* ACK frame start */
866 pxa2xx_dma_sof_set(s, ch);
868 s->dma_ch[ch].redraw(s, fbptr, &miny, &maxy);
871 /* ACK frame completed */
872 pxa2xx_dma_eof_set(s, ch);
876 if (s->control[0] & LCCR0_DIS) {
877 /* ACK last frame completed */
878 s->control[0] &= ~LCCR0_ENB;
879 s->status[0] |= LCSR0_LDD;
883 switch (s->orientation) {
885 dpy_gfx_update(s->con, 0, miny, s->xres, maxy - miny + 1);
888 dpy_gfx_update(s->con, miny, 0, maxy - miny + 1, s->xres);
891 maxy = s->yres - maxy - 1;
892 miny = s->yres - miny - 1;
893 dpy_gfx_update(s->con, 0, maxy, s->xres, miny - maxy + 1);
896 maxy = s->yres - maxy - 1;
897 miny = s->yres - miny - 1;
898 dpy_gfx_update(s->con, maxy, 0, miny - maxy + 1, s->xres);
902 pxa2xx_lcdc_int_update(s);
904 qemu_irq_raise(s->vsync_cb);
907 static void pxa2xx_invalidate_display(void *opaque)
909 PXA2xxLCDState *s = (PXA2xxLCDState *) opaque;
913 static void pxa2xx_lcdc_orientation(void *opaque, int angle)
915 PXA2xxLCDState *s = (PXA2xxLCDState *) opaque;
919 s->dma_ch[0].redraw = pxa2xx_lcdc_dma0_redraw_rot0;
922 s->dma_ch[0].redraw = pxa2xx_lcdc_dma0_redraw_rot90;
925 s->dma_ch[0].redraw = pxa2xx_lcdc_dma0_redraw_rot180;
928 s->dma_ch[0].redraw = pxa2xx_lcdc_dma0_redraw_rot270;
932 s->orientation = angle;
933 s->xres = s->yres = -1;
934 pxa2xx_lcdc_resize(s);
937 static const VMStateDescription vmstate_dma_channel = {
938 .name = "dma_channel",
940 .minimum_version_id = 0,
941 .fields = (VMStateField[]) {
942 VMSTATE_UINT32(branch, struct DMAChannel),
943 VMSTATE_UINT8(up, struct DMAChannel),
944 VMSTATE_BUFFER(pbuffer, struct DMAChannel),
945 VMSTATE_UINT32(descriptor, struct DMAChannel),
946 VMSTATE_UINT32(source, struct DMAChannel),
947 VMSTATE_UINT32(id, struct DMAChannel),
948 VMSTATE_UINT32(command, struct DMAChannel),
949 VMSTATE_END_OF_LIST()
953 static int pxa2xx_lcdc_post_load(void *opaque, int version_id)
955 PXA2xxLCDState *s = opaque;
957 s->bpp = LCCR3_BPP(s->control[3]);
958 s->xres = s->yres = s->pal_for = -1;
963 static const VMStateDescription vmstate_pxa2xx_lcdc = {
964 .name = "pxa2xx_lcdc",
966 .minimum_version_id = 0,
967 .post_load = pxa2xx_lcdc_post_load,
968 .fields = (VMStateField[]) {
969 VMSTATE_INT32(irqlevel, PXA2xxLCDState),
970 VMSTATE_INT32(transp, PXA2xxLCDState),
971 VMSTATE_UINT32_ARRAY(control, PXA2xxLCDState, 6),
972 VMSTATE_UINT32_ARRAY(status, PXA2xxLCDState, 2),
973 VMSTATE_UINT32_ARRAY(ovl1c, PXA2xxLCDState, 2),
974 VMSTATE_UINT32_ARRAY(ovl2c, PXA2xxLCDState, 2),
975 VMSTATE_UINT32(ccr, PXA2xxLCDState),
976 VMSTATE_UINT32(cmdcr, PXA2xxLCDState),
977 VMSTATE_UINT32(trgbr, PXA2xxLCDState),
978 VMSTATE_UINT32(tcr, PXA2xxLCDState),
979 VMSTATE_UINT32(liidr, PXA2xxLCDState),
980 VMSTATE_UINT8(bscntr, PXA2xxLCDState),
981 VMSTATE_STRUCT_ARRAY(dma_ch, PXA2xxLCDState, 7, 0,
982 vmstate_dma_channel, struct DMAChannel),
983 VMSTATE_END_OF_LIST()
988 #include "pxa2xx_template.h"
990 #include "pxa2xx_template.h"
992 #include "pxa2xx_template.h"
994 #include "pxa2xx_template.h"
996 #include "pxa2xx_template.h"
998 static const GraphicHwOps pxa2xx_ops = {
999 .invalidate = pxa2xx_invalidate_display,
1000 .gfx_update = pxa2xx_update_display,
1003 PXA2xxLCDState *pxa2xx_lcdc_init(MemoryRegion *sysmem,
1004 hwaddr base, qemu_irq irq)
1007 DisplaySurface *surface;
1009 s = (PXA2xxLCDState *) g_malloc0(sizeof(PXA2xxLCDState));
1014 pxa2xx_lcdc_orientation(s, graphic_rotate);
1016 memory_region_init_io(&s->iomem, NULL, &pxa2xx_lcdc_ops, s,
1017 "pxa2xx-lcd-controller", 0x00100000);
1018 memory_region_add_subregion(sysmem, base, &s->iomem);
1020 s->con = graphic_console_init(NULL, 0, &pxa2xx_ops, s);
1021 surface = qemu_console_surface(s->con);
1023 switch (surface_bits_per_pixel(surface)) {
1028 s->line_fn[0] = pxa2xx_draw_fn_8;
1029 s->line_fn[1] = pxa2xx_draw_fn_8t;
1033 s->line_fn[0] = pxa2xx_draw_fn_15;
1034 s->line_fn[1] = pxa2xx_draw_fn_15t;
1038 s->line_fn[0] = pxa2xx_draw_fn_16;
1039 s->line_fn[1] = pxa2xx_draw_fn_16t;
1043 s->line_fn[0] = pxa2xx_draw_fn_24;
1044 s->line_fn[1] = pxa2xx_draw_fn_24t;
1048 s->line_fn[0] = pxa2xx_draw_fn_32;
1049 s->line_fn[1] = pxa2xx_draw_fn_32t;
1053 fprintf(stderr, "%s: Bad color depth\n", __FUNCTION__);
1057 vmstate_register(NULL, 0, &vmstate_pxa2xx_lcdc, s);
1062 void pxa2xx_lcd_vsync_notifier(PXA2xxLCDState *s, qemu_irq handler)
1064 s->vsync_cb = handler;