--- /dev/null
+/*
+ * Intel XScale PXA255/270 LCDC emulation.
+ *
+ * Copyright (c) 2006 Openedhand Ltd.
+ * Written by Andrzej Zaborowski <balrog@zabor.org>
+ *
+ * This code is licensed under the GPLv2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
+ */
+
+#include "hw/hw.h"
+#include "ui/console.h"
+#include "hw/arm/pxa.h"
+#include "ui/pixel_ops.h"
+/* FIXME: For graphic_rotate. Should probably be done in common code. */
+#include "sysemu/sysemu.h"
+#include "framebuffer.h"
+
+struct DMAChannel {
+ uint32_t branch;
+ uint8_t up;
+ uint8_t palette[1024];
+ uint8_t pbuffer[1024];
+ void (*redraw)(PXA2xxLCDState *s, hwaddr addr,
+ int *miny, int *maxy);
+
+ uint32_t descriptor;
+ uint32_t source;
+ uint32_t id;
+ uint32_t command;
+};
+
+struct PXA2xxLCDState {
+ MemoryRegion *sysmem;
+ MemoryRegion iomem;
+ MemoryRegionSection fbsection;
+ qemu_irq irq;
+ int irqlevel;
+
+ int invalidated;
+ QemuConsole *con;
+ drawfn *line_fn[2];
+ int dest_width;
+ int xres, yres;
+ int pal_for;
+ int transp;
+ enum {
+ pxa_lcdc_2bpp = 1,
+ pxa_lcdc_4bpp = 2,
+ pxa_lcdc_8bpp = 3,
+ pxa_lcdc_16bpp = 4,
+ pxa_lcdc_18bpp = 5,
+ pxa_lcdc_18pbpp = 6,
+ pxa_lcdc_19bpp = 7,
+ pxa_lcdc_19pbpp = 8,
+ pxa_lcdc_24bpp = 9,
+ pxa_lcdc_25bpp = 10,
+ } bpp;
+
+ uint32_t control[6];
+ uint32_t status[2];
+ uint32_t ovl1c[2];
+ uint32_t ovl2c[2];
+ uint32_t ccr;
+ uint32_t cmdcr;
+ uint32_t trgbr;
+ uint32_t tcr;
+ uint32_t liidr;
+ uint8_t bscntr;
+
+ struct DMAChannel dma_ch[7];
+
+ qemu_irq vsync_cb;
+ int orientation;
+};
+
+typedef struct QEMU_PACKED {
+ uint32_t fdaddr;
+ uint32_t fsaddr;
+ uint32_t fidr;
+ uint32_t ldcmd;
+} PXAFrameDescriptor;
+
+#define LCCR0 0x000 /* LCD Controller Control register 0 */
+#define LCCR1 0x004 /* LCD Controller Control register 1 */
+#define LCCR2 0x008 /* LCD Controller Control register 2 */
+#define LCCR3 0x00c /* LCD Controller Control register 3 */
+#define LCCR4 0x010 /* LCD Controller Control register 4 */
+#define LCCR5 0x014 /* LCD Controller Control register 5 */
+
+#define FBR0 0x020 /* DMA Channel 0 Frame Branch register */
+#define FBR1 0x024 /* DMA Channel 1 Frame Branch register */
+#define FBR2 0x028 /* DMA Channel 2 Frame Branch register */
+#define FBR3 0x02c /* DMA Channel 3 Frame Branch register */
+#define FBR4 0x030 /* DMA Channel 4 Frame Branch register */
+#define FBR5 0x110 /* DMA Channel 5 Frame Branch register */
+#define FBR6 0x114 /* DMA Channel 6 Frame Branch register */
+
+#define LCSR1 0x034 /* LCD Controller Status register 1 */
+#define LCSR0 0x038 /* LCD Controller Status register 0 */
+#define LIIDR 0x03c /* LCD Controller Interrupt ID register */
+
+#define TRGBR 0x040 /* TMED RGB Seed register */
+#define TCR 0x044 /* TMED Control register */
+
+#define OVL1C1 0x050 /* Overlay 1 Control register 1 */
+#define OVL1C2 0x060 /* Overlay 1 Control register 2 */
+#define OVL2C1 0x070 /* Overlay 2 Control register 1 */
+#define OVL2C2 0x080 /* Overlay 2 Control register 2 */
+#define CCR 0x090 /* Cursor Control register */
+
+#define CMDCR 0x100 /* Command Control register */
+#define PRSR 0x104 /* Panel Read Status register */
+
+#define PXA_LCDDMA_CHANS 7
+#define DMA_FDADR 0x00 /* Frame Descriptor Address register */
+#define DMA_FSADR 0x04 /* Frame Source Address register */
+#define DMA_FIDR 0x08 /* Frame ID register */
+#define DMA_LDCMD 0x0c /* Command register */
+
+/* LCD Buffer Strength Control register */
+#define BSCNTR 0x04000054
+
+/* Bitfield masks */
+#define LCCR0_ENB (1 << 0)
+#define LCCR0_CMS (1 << 1)
+#define LCCR0_SDS (1 << 2)
+#define LCCR0_LDM (1 << 3)
+#define LCCR0_SOFM0 (1 << 4)
+#define LCCR0_IUM (1 << 5)
+#define LCCR0_EOFM0 (1 << 6)
+#define LCCR0_PAS (1 << 7)
+#define LCCR0_DPD (1 << 9)
+#define LCCR0_DIS (1 << 10)
+#define LCCR0_QDM (1 << 11)
+#define LCCR0_PDD (0xff << 12)
+#define LCCR0_BSM0 (1 << 20)
+#define LCCR0_OUM (1 << 21)
+#define LCCR0_LCDT (1 << 22)
+#define LCCR0_RDSTM (1 << 23)
+#define LCCR0_CMDIM (1 << 24)
+#define LCCR0_OUC (1 << 25)
+#define LCCR0_LDDALT (1 << 26)
+#define LCCR1_PPL(x) ((x) & 0x3ff)
+#define LCCR2_LPP(x) ((x) & 0x3ff)
+#define LCCR3_API (15 << 16)
+#define LCCR3_BPP(x) ((((x) >> 24) & 7) | (((x) >> 26) & 8))
+#define LCCR3_PDFOR(x) (((x) >> 30) & 3)
+#define LCCR4_K1(x) (((x) >> 0) & 7)
+#define LCCR4_K2(x) (((x) >> 3) & 7)
+#define LCCR4_K3(x) (((x) >> 6) & 7)
+#define LCCR4_PALFOR(x) (((x) >> 15) & 3)
+#define LCCR5_SOFM(ch) (1 << (ch - 1))
+#define LCCR5_EOFM(ch) (1 << (ch + 7))
+#define LCCR5_BSM(ch) (1 << (ch + 15))
+#define LCCR5_IUM(ch) (1 << (ch + 23))
+#define OVLC1_EN (1 << 31)
+#define CCR_CEN (1 << 31)
+#define FBR_BRA (1 << 0)
+#define FBR_BINT (1 << 1)
+#define FBR_SRCADDR (0xfffffff << 4)
+#define LCSR0_LDD (1 << 0)
+#define LCSR0_SOF0 (1 << 1)
+#define LCSR0_BER (1 << 2)
+#define LCSR0_ABC (1 << 3)
+#define LCSR0_IU0 (1 << 4)
+#define LCSR0_IU1 (1 << 5)
+#define LCSR0_OU (1 << 6)
+#define LCSR0_QD (1 << 7)
+#define LCSR0_EOF0 (1 << 8)
+#define LCSR0_BS0 (1 << 9)
+#define LCSR0_SINT (1 << 10)
+#define LCSR0_RDST (1 << 11)
+#define LCSR0_CMDINT (1 << 12)
+#define LCSR0_BERCH(x) (((x) & 7) << 28)
+#define LCSR1_SOF(ch) (1 << (ch - 1))
+#define LCSR1_EOF(ch) (1 << (ch + 7))
+#define LCSR1_BS(ch) (1 << (ch + 15))
+#define LCSR1_IU(ch) (1 << (ch + 23))
+#define LDCMD_LENGTH(x) ((x) & 0x001ffffc)
+#define LDCMD_EOFINT (1 << 21)
+#define LDCMD_SOFINT (1 << 22)
+#define LDCMD_PAL (1 << 26)
+
+/* Route internal interrupt lines to the global IC */
+static void pxa2xx_lcdc_int_update(PXA2xxLCDState *s)
+{
+ int level = 0;
+ level |= (s->status[0] & LCSR0_LDD) && !(s->control[0] & LCCR0_LDM);
+ level |= (s->status[0] & LCSR0_SOF0) && !(s->control[0] & LCCR0_SOFM0);
+ level |= (s->status[0] & LCSR0_IU0) && !(s->control[0] & LCCR0_IUM);
+ level |= (s->status[0] & LCSR0_IU1) && !(s->control[5] & LCCR5_IUM(1));
+ level |= (s->status[0] & LCSR0_OU) && !(s->control[0] & LCCR0_OUM);
+ level |= (s->status[0] & LCSR0_QD) && !(s->control[0] & LCCR0_QDM);
+ level |= (s->status[0] & LCSR0_EOF0) && !(s->control[0] & LCCR0_EOFM0);
+ level |= (s->status[0] & LCSR0_BS0) && !(s->control[0] & LCCR0_BSM0);
+ level |= (s->status[0] & LCSR0_RDST) && !(s->control[0] & LCCR0_RDSTM);
+ level |= (s->status[0] & LCSR0_CMDINT) && !(s->control[0] & LCCR0_CMDIM);
+ level |= (s->status[1] & ~s->control[5]);
+
+ qemu_set_irq(s->irq, !!level);
+ s->irqlevel = level;
+}
+
+/* Set Branch Status interrupt high and poke associated registers */
+static inline void pxa2xx_dma_bs_set(PXA2xxLCDState *s, int ch)
+{
+ int unmasked;
+ if (ch == 0) {
+ s->status[0] |= LCSR0_BS0;
+ unmasked = !(s->control[0] & LCCR0_BSM0);
+ } else {
+ s->status[1] |= LCSR1_BS(ch);
+ unmasked = !(s->control[5] & LCCR5_BSM(ch));
+ }
+
+ if (unmasked) {
+ if (s->irqlevel)
+ s->status[0] |= LCSR0_SINT;
+ else
+ s->liidr = s->dma_ch[ch].id;
+ }
+}
+
+/* Set Start Of Frame Status interrupt high and poke associated registers */
+static inline void pxa2xx_dma_sof_set(PXA2xxLCDState *s, int ch)
+{
+ int unmasked;
+ if (!(s->dma_ch[ch].command & LDCMD_SOFINT))
+ return;
+
+ if (ch == 0) {
+ s->status[0] |= LCSR0_SOF0;
+ unmasked = !(s->control[0] & LCCR0_SOFM0);
+ } else {
+ s->status[1] |= LCSR1_SOF(ch);
+ unmasked = !(s->control[5] & LCCR5_SOFM(ch));
+ }
+
+ if (unmasked) {
+ if (s->irqlevel)
+ s->status[0] |= LCSR0_SINT;
+ else
+ s->liidr = s->dma_ch[ch].id;
+ }
+}
+
+/* Set End Of Frame Status interrupt high and poke associated registers */
+static inline void pxa2xx_dma_eof_set(PXA2xxLCDState *s, int ch)
+{
+ int unmasked;
+ if (!(s->dma_ch[ch].command & LDCMD_EOFINT))
+ return;
+
+ if (ch == 0) {
+ s->status[0] |= LCSR0_EOF0;
+ unmasked = !(s->control[0] & LCCR0_EOFM0);
+ } else {
+ s->status[1] |= LCSR1_EOF(ch);
+ unmasked = !(s->control[5] & LCCR5_EOFM(ch));
+ }
+
+ if (unmasked) {
+ if (s->irqlevel)
+ s->status[0] |= LCSR0_SINT;
+ else
+ s->liidr = s->dma_ch[ch].id;
+ }
+}
+
+/* Set Bus Error Status interrupt high and poke associated registers */
+static inline void pxa2xx_dma_ber_set(PXA2xxLCDState *s, int ch)
+{
+ s->status[0] |= LCSR0_BERCH(ch) | LCSR0_BER;
+ if (s->irqlevel)
+ s->status[0] |= LCSR0_SINT;
+ else
+ s->liidr = s->dma_ch[ch].id;
+}
+
+/* Load new Frame Descriptors from DMA */
+static void pxa2xx_descriptor_load(PXA2xxLCDState *s)
+{
+ PXAFrameDescriptor desc;
+ hwaddr descptr;
+ int i;
+
+ for (i = 0; i < PXA_LCDDMA_CHANS; i ++) {
+ s->dma_ch[i].source = 0;
+
+ if (!s->dma_ch[i].up)
+ continue;
+
+ if (s->dma_ch[i].branch & FBR_BRA) {
+ descptr = s->dma_ch[i].branch & FBR_SRCADDR;
+ if (s->dma_ch[i].branch & FBR_BINT)
+ pxa2xx_dma_bs_set(s, i);
+ s->dma_ch[i].branch &= ~FBR_BRA;
+ } else
+ descptr = s->dma_ch[i].descriptor;
+
+ if (!((descptr >= PXA2XX_SDRAM_BASE && descptr +
+ sizeof(desc) <= PXA2XX_SDRAM_BASE + ram_size) ||
+ (descptr >= PXA2XX_INTERNAL_BASE && descptr + sizeof(desc) <=
+ PXA2XX_INTERNAL_BASE + PXA2XX_INTERNAL_SIZE))) {
+ continue;
+ }
+
+ cpu_physical_memory_read(descptr, &desc, sizeof(desc));
+ s->dma_ch[i].descriptor = tswap32(desc.fdaddr);
+ s->dma_ch[i].source = tswap32(desc.fsaddr);
+ s->dma_ch[i].id = tswap32(desc.fidr);
+ s->dma_ch[i].command = tswap32(desc.ldcmd);
+ }
+}
+
+static uint64_t pxa2xx_lcdc_read(void *opaque, hwaddr offset,
+ unsigned size)
+{
+ PXA2xxLCDState *s = (PXA2xxLCDState *) opaque;
+ int ch;
+
+ switch (offset) {
+ case LCCR0:
+ return s->control[0];
+ case LCCR1:
+ return s->control[1];
+ case LCCR2:
+ return s->control[2];
+ case LCCR3:
+ return s->control[3];
+ case LCCR4:
+ return s->control[4];
+ case LCCR5:
+ return s->control[5];
+
+ case OVL1C1:
+ return s->ovl1c[0];
+ case OVL1C2:
+ return s->ovl1c[1];
+ case OVL2C1:
+ return s->ovl2c[0];
+ case OVL2C2:
+ return s->ovl2c[1];
+
+ case CCR:
+ return s->ccr;
+
+ case CMDCR:
+ return s->cmdcr;
+
+ case TRGBR:
+ return s->trgbr;
+ case TCR:
+ return s->tcr;
+
+ case 0x200 ... 0x1000: /* DMA per-channel registers */
+ ch = (offset - 0x200) >> 4;
+ if (!(ch >= 0 && ch < PXA_LCDDMA_CHANS))
+ goto fail;
+
+ switch (offset & 0xf) {
+ case DMA_FDADR:
+ return s->dma_ch[ch].descriptor;
+ case DMA_FSADR:
+ return s->dma_ch[ch].source;
+ case DMA_FIDR:
+ return s->dma_ch[ch].id;
+ case DMA_LDCMD:
+ return s->dma_ch[ch].command;
+ default:
+ goto fail;
+ }
+
+ case FBR0:
+ return s->dma_ch[0].branch;
+ case FBR1:
+ return s->dma_ch[1].branch;
+ case FBR2:
+ return s->dma_ch[2].branch;
+ case FBR3:
+ return s->dma_ch[3].branch;
+ case FBR4:
+ return s->dma_ch[4].branch;
+ case FBR5:
+ return s->dma_ch[5].branch;
+ case FBR6:
+ return s->dma_ch[6].branch;
+
+ case BSCNTR:
+ return s->bscntr;
+
+ case PRSR:
+ return 0;
+
+ case LCSR0:
+ return s->status[0];
+ case LCSR1:
+ return s->status[1];
+ case LIIDR:
+ return s->liidr;
+
+ default:
+ fail:
+ hw_error("%s: Bad offset " REG_FMT "\n", __FUNCTION__, offset);
+ }
+
+ return 0;
+}
+
+static void pxa2xx_lcdc_write(void *opaque, hwaddr offset,
+ uint64_t value, unsigned size)
+{
+ PXA2xxLCDState *s = (PXA2xxLCDState *) opaque;
+ int ch;
+
+ switch (offset) {
+ case LCCR0:
+ /* ACK Quick Disable done */
+ if ((s->control[0] & LCCR0_ENB) && !(value & LCCR0_ENB))
+ s->status[0] |= LCSR0_QD;
+
+ if (!(s->control[0] & LCCR0_LCDT) && (value & LCCR0_LCDT))
+ printf("%s: internal frame buffer unsupported\n", __FUNCTION__);
+
+ if ((s->control[3] & LCCR3_API) &&
+ (value & LCCR0_ENB) && !(value & LCCR0_LCDT))
+ s->status[0] |= LCSR0_ABC;
+
+ s->control[0] = value & 0x07ffffff;
+ pxa2xx_lcdc_int_update(s);
+
+ s->dma_ch[0].up = !!(value & LCCR0_ENB);
+ s->dma_ch[1].up = (s->ovl1c[0] & OVLC1_EN) || (value & LCCR0_SDS);
+ break;
+
+ case LCCR1:
+ s->control[1] = value;
+ break;
+
+ case LCCR2:
+ s->control[2] = value;
+ break;
+
+ case LCCR3:
+ s->control[3] = value & 0xefffffff;
+ s->bpp = LCCR3_BPP(value);
+ break;
+
+ case LCCR4:
+ s->control[4] = value & 0x83ff81ff;
+ break;
+
+ case LCCR5:
+ s->control[5] = value & 0x3f3f3f3f;
+ break;
+
+ case OVL1C1:
+ if (!(s->ovl1c[0] & OVLC1_EN) && (value & OVLC1_EN))
+ printf("%s: Overlay 1 not supported\n", __FUNCTION__);
+
+ s->ovl1c[0] = value & 0x80ffffff;
+ s->dma_ch[1].up = (value & OVLC1_EN) || (s->control[0] & LCCR0_SDS);
+ break;
+
+ case OVL1C2:
+ s->ovl1c[1] = value & 0x000fffff;
+ break;
+
+ case OVL2C1:
+ if (!(s->ovl2c[0] & OVLC1_EN) && (value & OVLC1_EN))
+ printf("%s: Overlay 2 not supported\n", __FUNCTION__);
+
+ s->ovl2c[0] = value & 0x80ffffff;
+ s->dma_ch[2].up = !!(value & OVLC1_EN);
+ s->dma_ch[3].up = !!(value & OVLC1_EN);
+ s->dma_ch[4].up = !!(value & OVLC1_EN);
+ break;
+
+ case OVL2C2:
+ s->ovl2c[1] = value & 0x007fffff;
+ break;
+
+ case CCR:
+ if (!(s->ccr & CCR_CEN) && (value & CCR_CEN))
+ printf("%s: Hardware cursor unimplemented\n", __FUNCTION__);
+
+ s->ccr = value & 0x81ffffe7;
+ s->dma_ch[5].up = !!(value & CCR_CEN);
+ break;
+
+ case CMDCR:
+ s->cmdcr = value & 0xff;
+ break;
+
+ case TRGBR:
+ s->trgbr = value & 0x00ffffff;
+ break;
+
+ case TCR:
+ s->tcr = value & 0x7fff;
+ break;
+
+ case 0x200 ... 0x1000: /* DMA per-channel registers */
+ ch = (offset - 0x200) >> 4;
+ if (!(ch >= 0 && ch < PXA_LCDDMA_CHANS))
+ goto fail;
+
+ switch (offset & 0xf) {
+ case DMA_FDADR:
+ s->dma_ch[ch].descriptor = value & 0xfffffff0;
+ break;
+
+ default:
+ goto fail;
+ }
+ break;
+
+ case FBR0:
+ s->dma_ch[0].branch = value & 0xfffffff3;
+ break;
+ case FBR1:
+ s->dma_ch[1].branch = value & 0xfffffff3;
+ break;
+ case FBR2:
+ s->dma_ch[2].branch = value & 0xfffffff3;
+ break;
+ case FBR3:
+ s->dma_ch[3].branch = value & 0xfffffff3;
+ break;
+ case FBR4:
+ s->dma_ch[4].branch = value & 0xfffffff3;
+ break;
+ case FBR5:
+ s->dma_ch[5].branch = value & 0xfffffff3;
+ break;
+ case FBR6:
+ s->dma_ch[6].branch = value & 0xfffffff3;
+ break;
+
+ case BSCNTR:
+ s->bscntr = value & 0xf;
+ break;
+
+ case PRSR:
+ break;
+
+ case LCSR0:
+ s->status[0] &= ~(value & 0xfff);
+ if (value & LCSR0_BER)
+ s->status[0] &= ~LCSR0_BERCH(7);
+ break;
+
+ case LCSR1:
+ s->status[1] &= ~(value & 0x3e3f3f);
+ break;
+
+ default:
+ fail:
+ hw_error("%s: Bad offset " REG_FMT "\n", __FUNCTION__, offset);
+ }
+}
+
+static const MemoryRegionOps pxa2xx_lcdc_ops = {
+ .read = pxa2xx_lcdc_read,
+ .write = pxa2xx_lcdc_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+/* Load new palette for a given DMA channel, convert to internal format */
+static void pxa2xx_palette_parse(PXA2xxLCDState *s, int ch, int bpp)
+{
+ DisplaySurface *surface = qemu_console_surface(s->con);
+ int i, n, format, r, g, b, alpha;
+ uint32_t *dest;
+ uint8_t *src;
+ s->pal_for = LCCR4_PALFOR(s->control[4]);
+ format = s->pal_for;
+
+ switch (bpp) {
+ case pxa_lcdc_2bpp:
+ n = 4;
+ break;
+ case pxa_lcdc_4bpp:
+ n = 16;
+ break;
+ case pxa_lcdc_8bpp:
+ n = 256;
+ break;
+ default:
+ format = 0;
+ return;
+ }
+
+ src = (uint8_t *) s->dma_ch[ch].pbuffer;
+ dest = (uint32_t *) s->dma_ch[ch].palette;
+ alpha = r = g = b = 0;
+
+ for (i = 0; i < n; i ++) {
+ switch (format) {
+ case 0: /* 16 bpp, no transparency */
+ alpha = 0;
+ if (s->control[0] & LCCR0_CMS) {
+ r = g = b = *(uint16_t *) src & 0xff;
+ }
+ else {
+ r = (*(uint16_t *) src & 0xf800) >> 8;
+ g = (*(uint16_t *) src & 0x07e0) >> 3;
+ b = (*(uint16_t *) src & 0x001f) << 3;
+ }
+ src += 2;
+ break;
+ case 1: /* 16 bpp plus transparency */
+ alpha = *(uint32_t *) src & (1 << 24);
+ if (s->control[0] & LCCR0_CMS)
+ r = g = b = *(uint32_t *) src & 0xff;
+ else {
+ r = (*(uint32_t *) src & 0xf80000) >> 16;
+ g = (*(uint32_t *) src & 0x00fc00) >> 8;
+ b = (*(uint32_t *) src & 0x0000f8);
+ }
+ src += 4;
+ break;
+ case 2: /* 18 bpp plus transparency */
+ alpha = *(uint32_t *) src & (1 << 24);
+ if (s->control[0] & LCCR0_CMS)
+ r = g = b = *(uint32_t *) src & 0xff;
+ else {
+ r = (*(uint32_t *) src & 0xfc0000) >> 16;
+ g = (*(uint32_t *) src & 0x00fc00) >> 8;
+ b = (*(uint32_t *) src & 0x0000fc);
+ }
+ src += 4;
+ break;
+ case 3: /* 24 bpp plus transparency */
+ alpha = *(uint32_t *) src & (1 << 24);
+ if (s->control[0] & LCCR0_CMS)
+ r = g = b = *(uint32_t *) src & 0xff;
+ else {
+ r = (*(uint32_t *) src & 0xff0000) >> 16;
+ g = (*(uint32_t *) src & 0x00ff00) >> 8;
+ b = (*(uint32_t *) src & 0x0000ff);
+ }
+ src += 4;
+ break;
+ }
+ switch (surface_bits_per_pixel(surface)) {
+ case 8:
+ *dest = rgb_to_pixel8(r, g, b) | alpha;
+ break;
+ case 15:
+ *dest = rgb_to_pixel15(r, g, b) | alpha;
+ break;
+ case 16:
+ *dest = rgb_to_pixel16(r, g, b) | alpha;
+ break;
+ case 24:
+ *dest = rgb_to_pixel24(r, g, b) | alpha;
+ break;
+ case 32:
+ *dest = rgb_to_pixel32(r, g, b) | alpha;
+ break;
+ }
+ dest ++;
+ }
+}
+
+static void pxa2xx_lcdc_dma0_redraw_rot0(PXA2xxLCDState *s,
+ hwaddr addr, int *miny, int *maxy)
+{
+ DisplaySurface *surface = qemu_console_surface(s->con);
+ int src_width, dest_width;
+ drawfn fn = NULL;
+ if (s->dest_width)
+ fn = s->line_fn[s->transp][s->bpp];
+ if (!fn)
+ return;
+
+ src_width = (s->xres + 3) & ~3; /* Pad to a 4 pixels multiple */
+ if (s->bpp == pxa_lcdc_19pbpp || s->bpp == pxa_lcdc_18pbpp)
+ src_width *= 3;
+ else if (s->bpp > pxa_lcdc_16bpp)
+ src_width *= 4;
+ else if (s->bpp > pxa_lcdc_8bpp)
+ src_width *= 2;
+
+ dest_width = s->xres * s->dest_width;
+ *miny = 0;
+ if (s->invalidated) {
+ framebuffer_update_memory_section(&s->fbsection, s->sysmem,
+ addr, s->yres, src_width);
+ }
+ framebuffer_update_display(surface, &s->fbsection, s->xres, s->yres,
+ src_width, dest_width, s->dest_width,
+ s->invalidated,
+ fn, s->dma_ch[0].palette, miny, maxy);
+}
+
+static void pxa2xx_lcdc_dma0_redraw_rot90(PXA2xxLCDState *s,
+ hwaddr addr, int *miny, int *maxy)
+{
+ DisplaySurface *surface = qemu_console_surface(s->con);
+ int src_width, dest_width;
+ drawfn fn = NULL;
+ if (s->dest_width)
+ fn = s->line_fn[s->transp][s->bpp];
+ if (!fn)
+ return;
+
+ src_width = (s->xres + 3) & ~3; /* Pad to a 4 pixels multiple */
+ if (s->bpp == pxa_lcdc_19pbpp || s->bpp == pxa_lcdc_18pbpp)
+ src_width *= 3;
+ else if (s->bpp > pxa_lcdc_16bpp)
+ src_width *= 4;
+ else if (s->bpp > pxa_lcdc_8bpp)
+ src_width *= 2;
+
+ dest_width = s->yres * s->dest_width;
+ *miny = 0;
+ if (s->invalidated) {
+ framebuffer_update_memory_section(&s->fbsection, s->sysmem,
+ addr, s->yres, src_width);
+ }
+ framebuffer_update_display(surface, &s->fbsection, s->xres, s->yres,
+ src_width, s->dest_width, -dest_width,
+ s->invalidated,
+ fn, s->dma_ch[0].palette,
+ miny, maxy);
+}
+
+static void pxa2xx_lcdc_dma0_redraw_rot180(PXA2xxLCDState *s,
+ hwaddr addr, int *miny, int *maxy)
+{
+ DisplaySurface *surface = qemu_console_surface(s->con);
+ int src_width, dest_width;
+ drawfn fn = NULL;
+ if (s->dest_width) {
+ fn = s->line_fn[s->transp][s->bpp];
+ }
+ if (!fn) {
+ return;
+ }
+
+ src_width = (s->xres + 3) & ~3; /* Pad to a 4 pixels multiple */
+ if (s->bpp == pxa_lcdc_19pbpp || s->bpp == pxa_lcdc_18pbpp) {
+ src_width *= 3;
+ } else if (s->bpp > pxa_lcdc_16bpp) {
+ src_width *= 4;
+ } else if (s->bpp > pxa_lcdc_8bpp) {
+ src_width *= 2;
+ }
+
+ dest_width = s->xres * s->dest_width;
+ *miny = 0;
+ if (s->invalidated) {
+ framebuffer_update_memory_section(&s->fbsection, s->sysmem,
+ addr, s->yres, src_width);
+ }
+ framebuffer_update_display(surface, &s->fbsection, s->xres, s->yres,
+ src_width, -dest_width, -s->dest_width,
+ s->invalidated,
+ fn, s->dma_ch[0].palette, miny, maxy);
+}
+
+static void pxa2xx_lcdc_dma0_redraw_rot270(PXA2xxLCDState *s,
+ hwaddr addr, int *miny, int *maxy)
+{
+ DisplaySurface *surface = qemu_console_surface(s->con);
+ int src_width, dest_width;
+ drawfn fn = NULL;
+ if (s->dest_width) {
+ fn = s->line_fn[s->transp][s->bpp];
+ }
+ if (!fn) {
+ return;
+ }
+
+ src_width = (s->xres + 3) & ~3; /* Pad to a 4 pixels multiple */
+ if (s->bpp == pxa_lcdc_19pbpp || s->bpp == pxa_lcdc_18pbpp) {
+ src_width *= 3;
+ } else if (s->bpp > pxa_lcdc_16bpp) {
+ src_width *= 4;
+ } else if (s->bpp > pxa_lcdc_8bpp) {
+ src_width *= 2;
+ }
+
+ dest_width = s->yres * s->dest_width;
+ *miny = 0;
+ if (s->invalidated) {
+ framebuffer_update_memory_section(&s->fbsection, s->sysmem,
+ addr, s->yres, src_width);
+ }
+ framebuffer_update_display(surface, &s->fbsection, s->xres, s->yres,
+ src_width, -s->dest_width, dest_width,
+ s->invalidated,
+ fn, s->dma_ch[0].palette,
+ miny, maxy);
+}
+
+static void pxa2xx_lcdc_resize(PXA2xxLCDState *s)
+{
+ int width, height;
+ if (!(s->control[0] & LCCR0_ENB))
+ return;
+
+ width = LCCR1_PPL(s->control[1]) + 1;
+ height = LCCR2_LPP(s->control[2]) + 1;
+
+ if (width != s->xres || height != s->yres) {
+ if (s->orientation == 90 || s->orientation == 270) {
+ qemu_console_resize(s->con, height, width);
+ } else {
+ qemu_console_resize(s->con, width, height);
+ }
+ s->invalidated = 1;
+ s->xres = width;
+ s->yres = height;
+ }
+}
+
+static void pxa2xx_update_display(void *opaque)
+{
+ PXA2xxLCDState *s = (PXA2xxLCDState *) opaque;
+ hwaddr fbptr;
+ int miny, maxy;
+ int ch;
+ if (!(s->control[0] & LCCR0_ENB))
+ return;
+
+ pxa2xx_descriptor_load(s);
+
+ pxa2xx_lcdc_resize(s);
+ miny = s->yres;
+ maxy = 0;
+ s->transp = s->dma_ch[2].up || s->dma_ch[3].up;
+ /* Note: With overlay planes the order depends on LCCR0 bit 25. */
+ for (ch = 0; ch < PXA_LCDDMA_CHANS; ch ++)
+ if (s->dma_ch[ch].up) {
+ if (!s->dma_ch[ch].source) {
+ pxa2xx_dma_ber_set(s, ch);
+ continue;
+ }
+ fbptr = s->dma_ch[ch].source;
+ if (!((fbptr >= PXA2XX_SDRAM_BASE &&
+ fbptr <= PXA2XX_SDRAM_BASE + ram_size) ||
+ (fbptr >= PXA2XX_INTERNAL_BASE &&
+ fbptr <= PXA2XX_INTERNAL_BASE + PXA2XX_INTERNAL_SIZE))) {
+ pxa2xx_dma_ber_set(s, ch);
+ continue;
+ }
+
+ if (s->dma_ch[ch].command & LDCMD_PAL) {
+ cpu_physical_memory_read(fbptr, s->dma_ch[ch].pbuffer,
+ MAX(LDCMD_LENGTH(s->dma_ch[ch].command),
+ sizeof(s->dma_ch[ch].pbuffer)));
+ pxa2xx_palette_parse(s, ch, s->bpp);
+ } else {
+ /* Do we need to reparse palette */
+ if (LCCR4_PALFOR(s->control[4]) != s->pal_for)
+ pxa2xx_palette_parse(s, ch, s->bpp);
+
+ /* ACK frame start */
+ pxa2xx_dma_sof_set(s, ch);
+
+ s->dma_ch[ch].redraw(s, fbptr, &miny, &maxy);
+ s->invalidated = 0;
+
+ /* ACK frame completed */
+ pxa2xx_dma_eof_set(s, ch);
+ }
+ }
+
+ if (s->control[0] & LCCR0_DIS) {
+ /* ACK last frame completed */
+ s->control[0] &= ~LCCR0_ENB;
+ s->status[0] |= LCSR0_LDD;
+ }
+
+ if (miny >= 0) {
+ switch (s->orientation) {
+ case 0:
+ dpy_gfx_update(s->con, 0, miny, s->xres, maxy - miny + 1);
+ break;
+ case 90:
+ dpy_gfx_update(s->con, miny, 0, maxy - miny + 1, s->xres);
+ break;
+ case 180:
+ maxy = s->yres - maxy - 1;
+ miny = s->yres - miny - 1;
+ dpy_gfx_update(s->con, 0, maxy, s->xres, miny - maxy + 1);
+ break;
+ case 270:
+ maxy = s->yres - maxy - 1;
+ miny = s->yres - miny - 1;
+ dpy_gfx_update(s->con, maxy, 0, miny - maxy + 1, s->xres);
+ break;
+ }
+ }
+ pxa2xx_lcdc_int_update(s);
+
+ qemu_irq_raise(s->vsync_cb);
+}
+
+static void pxa2xx_invalidate_display(void *opaque)
+{
+ PXA2xxLCDState *s = (PXA2xxLCDState *) opaque;
+ s->invalidated = 1;
+}
+
+static void pxa2xx_lcdc_orientation(void *opaque, int angle)
+{
+ PXA2xxLCDState *s = (PXA2xxLCDState *) opaque;
+
+ switch (angle) {
+ case 0:
+ s->dma_ch[0].redraw = pxa2xx_lcdc_dma0_redraw_rot0;
+ break;
+ case 90:
+ s->dma_ch[0].redraw = pxa2xx_lcdc_dma0_redraw_rot90;
+ break;
+ case 180:
+ s->dma_ch[0].redraw = pxa2xx_lcdc_dma0_redraw_rot180;
+ break;
+ case 270:
+ s->dma_ch[0].redraw = pxa2xx_lcdc_dma0_redraw_rot270;
+ break;
+ }
+
+ s->orientation = angle;
+ s->xres = s->yres = -1;
+ pxa2xx_lcdc_resize(s);
+}
+
+static const VMStateDescription vmstate_dma_channel = {
+ .name = "dma_channel",
+ .version_id = 0,
+ .minimum_version_id = 0,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32(branch, struct DMAChannel),
+ VMSTATE_UINT8(up, struct DMAChannel),
+ VMSTATE_BUFFER(pbuffer, struct DMAChannel),
+ VMSTATE_UINT32(descriptor, struct DMAChannel),
+ VMSTATE_UINT32(source, struct DMAChannel),
+ VMSTATE_UINT32(id, struct DMAChannel),
+ VMSTATE_UINT32(command, struct DMAChannel),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static int pxa2xx_lcdc_post_load(void *opaque, int version_id)
+{
+ PXA2xxLCDState *s = opaque;
+
+ s->bpp = LCCR3_BPP(s->control[3]);
+ s->xres = s->yres = s->pal_for = -1;
+
+ return 0;
+}
+
+static const VMStateDescription vmstate_pxa2xx_lcdc = {
+ .name = "pxa2xx_lcdc",
+ .version_id = 0,
+ .minimum_version_id = 0,
+ .post_load = pxa2xx_lcdc_post_load,
+ .fields = (VMStateField[]) {
+ VMSTATE_INT32(irqlevel, PXA2xxLCDState),
+ VMSTATE_INT32(transp, PXA2xxLCDState),
+ VMSTATE_UINT32_ARRAY(control, PXA2xxLCDState, 6),
+ VMSTATE_UINT32_ARRAY(status, PXA2xxLCDState, 2),
+ VMSTATE_UINT32_ARRAY(ovl1c, PXA2xxLCDState, 2),
+ VMSTATE_UINT32_ARRAY(ovl2c, PXA2xxLCDState, 2),
+ VMSTATE_UINT32(ccr, PXA2xxLCDState),
+ VMSTATE_UINT32(cmdcr, PXA2xxLCDState),
+ VMSTATE_UINT32(trgbr, PXA2xxLCDState),
+ VMSTATE_UINT32(tcr, PXA2xxLCDState),
+ VMSTATE_UINT32(liidr, PXA2xxLCDState),
+ VMSTATE_UINT8(bscntr, PXA2xxLCDState),
+ VMSTATE_STRUCT_ARRAY(dma_ch, PXA2xxLCDState, 7, 0,
+ vmstate_dma_channel, struct DMAChannel),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+#define BITS 8
+#include "pxa2xx_template.h"
+#define BITS 15
+#include "pxa2xx_template.h"
+#define BITS 16
+#include "pxa2xx_template.h"
+#define BITS 24
+#include "pxa2xx_template.h"
+#define BITS 32
+#include "pxa2xx_template.h"
+
+static const GraphicHwOps pxa2xx_ops = {
+ .invalidate = pxa2xx_invalidate_display,
+ .gfx_update = pxa2xx_update_display,
+};
+
+PXA2xxLCDState *pxa2xx_lcdc_init(MemoryRegion *sysmem,
+ hwaddr base, qemu_irq irq)
+{
+ PXA2xxLCDState *s;
+ DisplaySurface *surface;
+
+ s = (PXA2xxLCDState *) g_malloc0(sizeof(PXA2xxLCDState));
+ s->invalidated = 1;
+ s->irq = irq;
+ s->sysmem = sysmem;
+
+ pxa2xx_lcdc_orientation(s, graphic_rotate);
+
+ memory_region_init_io(&s->iomem, NULL, &pxa2xx_lcdc_ops, s,
+ "pxa2xx-lcd-controller", 0x00100000);
+ memory_region_add_subregion(sysmem, base, &s->iomem);
+
+ s->con = graphic_console_init(NULL, 0, &pxa2xx_ops, s);
+ surface = qemu_console_surface(s->con);
+
+ switch (surface_bits_per_pixel(surface)) {
+ case 0:
+ s->dest_width = 0;
+ break;
+ case 8:
+ s->line_fn[0] = pxa2xx_draw_fn_8;
+ s->line_fn[1] = pxa2xx_draw_fn_8t;
+ s->dest_width = 1;
+ break;
+ case 15:
+ s->line_fn[0] = pxa2xx_draw_fn_15;
+ s->line_fn[1] = pxa2xx_draw_fn_15t;
+ s->dest_width = 2;
+ break;
+ case 16:
+ s->line_fn[0] = pxa2xx_draw_fn_16;
+ s->line_fn[1] = pxa2xx_draw_fn_16t;
+ s->dest_width = 2;
+ break;
+ case 24:
+ s->line_fn[0] = pxa2xx_draw_fn_24;
+ s->line_fn[1] = pxa2xx_draw_fn_24t;
+ s->dest_width = 3;
+ break;
+ case 32:
+ s->line_fn[0] = pxa2xx_draw_fn_32;
+ s->line_fn[1] = pxa2xx_draw_fn_32t;
+ s->dest_width = 4;
+ break;
+ default:
+ fprintf(stderr, "%s: Bad color depth\n", __FUNCTION__);
+ exit(1);
+ }
+
+ vmstate_register(NULL, 0, &vmstate_pxa2xx_lcdc, s);
+
+ return s;
+}
+
+void pxa2xx_lcd_vsync_notifier(PXA2xxLCDState *s, qemu_irq handler)
+{
+ s->vsync_cb = handler;
+}
Code Review / kvmfornfv.git / blobdiff