static void omap_disc_write(void *opaque, hwaddr addr, uint64_t value, unsigned size) { struct omap_dss_s *s = (struct omap_dss_s *) opaque; if (size != 4) { omap_badwidth_write32(opaque, addr, value); return; } switch (addr) { case 0x010: /* DISPC_SYSCONFIG */ if (value & 2) /* SOFTRESET */ omap_dss_reset(s); s->dispc.idlemode = value & 0x301b; break; case 0x018: /* DISPC_IRQSTATUS */ s->dispc.irqst &= ~value; omap_dispc_interrupt_update(s); break; case 0x01c: /* DISPC_IRQENABLE */ s->dispc.irqen = value & 0xffff; omap_dispc_interrupt_update(s); break; case 0x040: /* DISPC_CONTROL */ s->dispc.control = value & 0x07ff9fff; s->dig.enable = (value >> 1) & 1; s->lcd.enable = (value >> 0) & 1; if (value & (1 << 12)) /* OVERLAY_OPTIMIZATION */ if (!((s->dispc.l[1].attr | s->dispc.l[2].attr) & 1)) { fprintf(stderr, "%s: Overlay Optimization when no overlay " "region effectively exists leads to " "unpredictable behaviour!\n", __func__); } if (value & (1 << 6)) { /* GODIGITAL */ /* XXX: Shadowed fields are: * s->dispc.config * s->dispc.capable * s->dispc.bg[0] * s->dispc.bg[1] * s->dispc.trans[0] * s->dispc.trans[1] * s->dispc.line * s->dispc.timing[0] * s->dispc.timing[1] * s->dispc.timing[2] * s->dispc.timing[3] * s->lcd.nx * s->lcd.ny * s->dig.nx * s->dig.ny * s->dispc.l[0].addr[0] * s->dispc.l[0].addr[1] * s->dispc.l[0].addr[2] * s->dispc.l[0].posx * s->dispc.l[0].posy * s->dispc.l[0].nx * s->dispc.l[0].ny * s->dispc.l[0].tresh * s->dispc.l[0].rowinc * s->dispc.l[0].colinc * s->dispc.l[0].wininc * All they need to be loaded here from their shadow registers. */ } if (value & (1 << 5)) { /* GOLCD */ /* XXX: Likewise for LCD here. */ } s->dispc.invalidate = 1; break; case 0x044: /* DISPC_CONFIG */ s->dispc.config = value & 0x3fff; /* XXX: * bits 2:1 (LOADMODE) reset to 0 after set to 1 and palette loaded * bits 2:1 (LOADMODE) reset to 2 after set to 3 and palette loaded */ s->dispc.invalidate = 1; break; case 0x048: /* DISPC_CAPABLE */ s->dispc.capable = value & 0x3ff; break; case 0x04c: /* DISPC_DEFAULT_COLOR0 */ s->dispc.bg[0] = value & 0xffffff; s->dispc.invalidate = 1; break; case 0x050: /* DISPC_DEFAULT_COLOR1 */ s->dispc.bg[1] = value & 0xffffff; s->dispc.invalidate = 1; break; case 0x054: /* DISPC_TRANS_COLOR0 */ s->dispc.trans[0] = value & 0xffffff; s->dispc.invalidate = 1; break; case 0x058: /* DISPC_TRANS_COLOR1 */ s->dispc.trans[1] = value & 0xffffff; s->dispc.invalidate = 1; break; case 0x060: /* DISPC_LINE_NUMBER */ s->dispc.line = value & 0x7ff; break; case 0x064: /* DISPC_TIMING_H */ s->dispc.timing[0] = value & 0x0ff0ff3f; break; case 0x068: /* DISPC_TIMING_V */ s->dispc.timing[1] = value & 0x0ff0ff3f; break; case 0x06c: /* DISPC_POL_FREQ */ s->dispc.timing[2] = value & 0x0003ffff; break; case 0x070: /* DISPC_DIVISOR */ s->dispc.timing[3] = value & 0x00ff00ff; break; case 0x078: /* DISPC_SIZE_DIG */ s->dig.nx = ((value >> 0) & 0x7ff) + 1; /* PPL */ s->dig.ny = ((value >> 16) & 0x7ff) + 1; /* LPP */ s->dispc.invalidate = 1; break; case 0x07c: /* DISPC_SIZE_LCD */ s->lcd.nx = ((value >> 0) & 0x7ff) + 1; /* PPL */ s->lcd.ny = ((value >> 16) & 0x7ff) + 1; /* LPP */ s->dispc.invalidate = 1; break; case 0x080: /* DISPC_GFX_BA0 */ s->dispc.l[0].addr[0] = (hwaddr) value; s->dispc.invalidate = 1; break; case 0x084: /* DISPC_GFX_BA1 */ s->dispc.l[0].addr[1] = (hwaddr) value; s->dispc.invalidate = 1; break; case 0x088: /* DISPC_GFX_POSITION */ s->dispc.l[0].posx = ((value >> 0) & 0x7ff); /* GFXPOSX */ s->dispc.l[0].posy = ((value >> 16) & 0x7ff); /* GFXPOSY */ s->dispc.invalidate = 1; break; case 0x08c: /* DISPC_GFX_SIZE */ s->dispc.l[0].nx = ((value >> 0) & 0x7ff) + 1; /* GFXSIZEX */ s->dispc.l[0].ny = ((value >> 16) & 0x7ff) + 1; /* GFXSIZEY */ s->dispc.invalidate = 1; break; case 0x0a0: /* DISPC_GFX_ATTRIBUTES */ s->dispc.l[0].attr = value & 0x7ff; if (value & (3 << 9)) fprintf(stderr, "%s: Big-endian pixel format not supported\n", __FUNCTION__); s->dispc.l[0].enable = value & 1; s->dispc.l[0].bpp = (value >> 1) & 0xf; s->dispc.invalidate = 1; break; case 0x0a4: /* DISPC_GFX_FIFO_TRESHOLD */ s->dispc.l[0].tresh = value & 0x01ff01ff; break; case 0x0ac: /* DISPC_GFX_ROW_INC */ s->dispc.l[0].rowinc = value; s->dispc.invalidate = 1; break; case 0x0b0: /* DISPC_GFX_PIXEL_INC */ s->dispc.l[0].colinc = value; s->dispc.invalidate = 1; break; case 0x0b4: /* DISPC_GFX_WINDOW_SKIP */ s->dispc.l[0].wininc = value; break; case 0x0b8: /* DISPC_GFX_TABLE_BA */ s->dispc.l[0].addr[2] = (hwaddr) value; s->dispc.invalidate = 1; break; case 0x0bc: /* DISPC_VID1_BA0 */ case 0x0c0: /* DISPC_VID1_BA1 */ case 0x0c4: /* DISPC_VID1_POSITION */ case 0x0c8: /* DISPC_VID1_SIZE */ case 0x0cc: /* DISPC_VID1_ATTRIBUTES */ case 0x0d0: /* DISPC_VID1_FIFO_TRESHOLD */ case 0x0d8: /* DISPC_VID1_ROW_INC */ case 0x0dc: /* DISPC_VID1_PIXEL_INC */ case 0x0e0: /* DISPC_VID1_FIR */ case 0x0e4: /* DISPC_VID1_PICTURE_SIZE */ case 0x0e8: /* DISPC_VID1_ACCU0 */ case 0x0ec: /* DISPC_VID1_ACCU1 */ case 0x0f0 ... 0x140: /* DISPC_VID1_FIR_COEF, DISPC_VID1_CONV_COEF */ case 0x14c: /* DISPC_VID2_BA0 */ case 0x150: /* DISPC_VID2_BA1 */ case 0x154: /* DISPC_VID2_POSITION */ case 0x158: /* DISPC_VID2_SIZE */ case 0x15c: /* DISPC_VID2_ATTRIBUTES */ case 0x160: /* DISPC_VID2_FIFO_TRESHOLD */ case 0x168: /* DISPC_VID2_ROW_INC */ case 0x16c: /* DISPC_VID2_PIXEL_INC */ case 0x170: /* DISPC_VID2_FIR */ case 0x174: /* DISPC_VID2_PICTURE_SIZE */ case 0x178: /* DISPC_VID2_ACCU0 */ case 0x17c: /* DISPC_VID2_ACCU1 */ case 0x180 ... 0x1d0: /* DISPC_VID2_FIR_COEF, DISPC_VID2_CONV_COEF */ case 0x1d4: /* DISPC_DATA_CYCLE1 */ case 0x1d8: /* DISPC_DATA_CYCLE2 */ case 0x1dc: /* DISPC_DATA_CYCLE3 */ break; default: OMAP_BAD_REG(addr); } }