/* $OpenBSD: pxa2x0_lcd.c,v 1.21 2005/12/22 18:45:46 deraadt Exp $ */ /* $NetBSD: pxa2x0_lcd.c,v 1.8 2003/10/03 07:24:05 bsh Exp $ */ /* * Copyright (c) 2002 Genetec Corporation. All rights reserved. * Written by Hiroyuki Bessho for Genetec Corporation. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed for the NetBSD Project by * Genetec Corporation. * 4. The name of Genetec Corporation may not be used to endorse or * promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Support PXA2[15]0's integrated LCD controller. */ #include #include #include #include #include #include /* for cold */ #include #include #include #include #include #include #include #include #include #include #include #include /* * Console variables. These are necessary since console is setup very early, * before devices get attached. */ struct { bus_space_tag_t iot; bus_space_handle_t ioh; bus_dma_tag_t dma_tag; const struct lcd_panel_geometry *geometry; struct pxa2x0_lcd_screen scr; } pxa2x0_lcd_console; int lcdintr(void *); void pxa2x0_lcd_geometry(bus_space_tag_t, bus_space_handle_t, const struct lcd_panel_geometry *); void pxa2x0_lcd_initialize(bus_space_tag_t, bus_space_handle_t, const struct lcd_panel_geometry *, void (*)(u_int, int)); int pxa2x0_lcd_new_screen(struct pxa2x0_lcd_softc *, struct pxa2x0_lcd_screen *, int); void pxa2x0_lcd_setup_console(struct pxa2x0_lcd_softc *, const struct pxa2x0_wsscreen_descr *); void pxa2x0_lcd_setup_rasops(struct rasops_info *, struct pxa2x0_wsscreen_descr *, const struct lcd_panel_geometry *); void pxa2x0_lcd_start_dma(bus_space_tag_t, bus_space_handle_t, struct pxa2x0_lcd_screen *); void pxa2x0_lcd_stop_dma(bus_space_tag_t, bus_space_handle_t); /* * Setup display geometry parameters. */ void pxa2x0_lcd_geometry(bus_space_tag_t iot, bus_space_handle_t ioh, const struct lcd_panel_geometry *info) { int lines; uint32_t ccr0; ccr0 = LCCR0_IMASK; if (info->panel_info & LCDPANEL_ACTIVE) ccr0 |= LCCR0_PAS; /* active mode */ if ((info->panel_info & (LCDPANEL_DUAL | LCDPANEL_ACTIVE)) == LCDPANEL_DUAL) ccr0 |= LCCR0_SDS; /* dual panel */ if (info->panel_info & LCDPANEL_MONOCHROME) ccr0 |= LCCR0_CMS; /* XXX - Zaurus C3000 */ ccr0 |= LCCR0_LDDALT | LCCR0_OUC | LCCR0_CMDIM | LCCR0_RDSTM; bus_space_write_4(iot, ioh, LCDC_LCCR0, ccr0); bus_space_write_4(iot, ioh, LCDC_LCCR1, (info->panel_width - 1) | ((info->hsync_pulse_width - 1) << 10) | ((info->end_line_wait - 1) << 16) | ((info->beg_line_wait - 1) << 24)); if (info->panel_info & LCDPANEL_DUAL) lines = info->panel_height / 2 + info->extra_lines; else lines = info->panel_height + info->extra_lines; bus_space_write_4(iot, ioh, LCDC_LCCR2, (lines - 1) | (info->vsync_pulse_width << 10) | (info->end_frame_wait << 16) | (info->beg_frame_wait << 24)); bus_space_write_4(iot, ioh, LCDC_LCCR3, (info->pixel_clock_div << 0) | (info->ac_bias << 8) | ((info->panel_info & (LCDPANEL_VSP | LCDPANEL_HSP | LCDPANEL_PCP | LCDPANEL_OEP)) << 20) | (4 << 24) /* 16bpp */ | ((info->panel_info & LCDPANEL_DPC) ? (1 << 27) : 0) ); } /* * Initialize the LCD controller. */ void pxa2x0_lcd_initialize(bus_space_tag_t iot, bus_space_handle_t ioh, const struct lcd_panel_geometry *geom, void (*clkman)(u_int, int)) { int nldd; u_int32_t lccr0, lscr; /* Check if LCD is enabled before programming, it should not * be enabled while it is being reprogrammed, therefore disable * it first. */ lccr0 = bus_space_read_4(iot, ioh, LCDC_LCCR0); if (lccr0 & LCCR0_ENB) { lccr0 |= LCCR0_LDM; bus_space_write_4(iot, ioh, LCDC_LCCR0, lccr0); lccr0 = bus_space_read_4(iot, ioh, LCDC_LCCR0); /* paranoia */ lccr0 |= LCCR0_DIS; bus_space_write_4(iot, ioh, LCDC_LCCR0, lccr0); do { lscr = bus_space_read_4(iot, ioh, LCDC_LCSR); } while (!(lscr & LCSR_LDD)); } /* enable clock */ (*clkman)(CKEN_LCD, 1); bus_space_write_4(iot, ioh, LCDC_LCCR0, LCCR0_IMASK); /* * setup GP[77:58] for LCD */ /* Always use [FLP]CLK, ACBIAS */ pxa2x0_gpio_set_function(74, GPIO_ALT_FN_2_OUT); pxa2x0_gpio_set_function(75, GPIO_ALT_FN_2_OUT); pxa2x0_gpio_set_function(76, GPIO_ALT_FN_2_OUT); pxa2x0_gpio_set_function(77, GPIO_ALT_FN_2_OUT); if ((geom->panel_info & LCDPANEL_ACTIVE) || ((geom->panel_info & (LCDPANEL_MONOCHROME|LCDPANEL_DUAL)) == LCDPANEL_DUAL)) { /* active and color dual panel need L_DD[15:0] */ nldd = 16; } else if ((geom->panel_info & LCDPANEL_DUAL) || !(geom->panel_info & LCDPANEL_MONOCHROME)) { /* dual or color need L_DD[7:0] */ nldd = 8; } else { /* Otherwise just L_DD[3:0] */ nldd = 4; } while (nldd--) pxa2x0_gpio_set_function(58 + nldd, GPIO_ALT_FN_2_OUT); pxa2x0_lcd_geometry(iot, ioh, geom); } /* * Common driver attachment code. */ void pxa2x0_lcd_attach_sub(struct pxa2x0_lcd_softc *sc, struct pxaip_attach_args *pxa, struct pxa2x0_wsscreen_descr *descr, const struct lcd_panel_geometry *geom, int console) { bus_space_tag_t iot; bus_space_handle_t ioh; int error; sc->n_screens = 0; LIST_INIT(&sc->screens); /* map controller registers if not console */ if (console != 0) { iot = pxa2x0_lcd_console.iot; ioh = pxa2x0_lcd_console.ioh; } else { iot = pxa->pxa_iot; error = bus_space_map(iot, PXA2X0_LCDC_BASE, PXA2X0_LCDC_SIZE, 0, &ioh); if (error) { printf(": failed to map registers %d", error); return; } } sc->iot = iot; sc->ioh = ioh; sc->dma_tag = &pxa2x0_bus_dma_tag; sc->ih = pxa2x0_intr_establish(17, IPL_BIO, lcdintr, sc, sc->dev.dv_xname); if (sc->ih == NULL) printf("%s: unable to establish interrupt at irq %d", sc->dev.dv_xname, 17); sc->geometry = geom; if (console != 0) { /* complete console attachment */ pxa2x0_lcd_setup_console(sc, descr); } else { struct rasops_info dummy; pxa2x0_lcd_initialize(iot, ioh, geom, pxa2x0_clkman_config); /* * Initialize a dummy rasops_info to compute fontsize and * the screen size in chars. */ bzero(&dummy, sizeof(dummy)); pxa2x0_lcd_setup_rasops(&dummy, descr, geom); } } /* * Interrupt handler. */ int lcdintr(void *arg) { struct pxa2x0_lcd_softc *sc = arg; bus_space_tag_t iot = sc->iot; bus_space_handle_t ioh = sc->ioh; static uint32_t status; status = bus_space_read_4(iot, ioh, LCDC_LCSR); /* Clear sticky status bits */ bus_space_write_4(iot, ioh, LCDC_LCSR, status); return 1; } /* * Enable DMA to cause the display to be refreshed periodically. * This brings the screen to life... */ void pxa2x0_lcd_start_dma(bus_space_tag_t iot, bus_space_handle_t ioh, struct pxa2x0_lcd_screen *scr) { uint32_t tmp; int val, save; save = disable_interrupts(I32_bit); switch (scr->depth) { case 1: val = 0; break; case 2: val = 1; break; case 4: val = 2; break; case 8: val = 3; break; case 16: /* FALLTHROUGH */ default: val = 4; break; } tmp = bus_space_read_4(iot, ioh, LCDC_LCCR3); bus_space_write_4(iot, ioh, LCDC_LCCR3, (tmp & ~LCCR3_BPP) | (val << LCCR3_BPP_SHIFT)); bus_space_write_4(iot, ioh, LCDC_FDADR0, scr->depth == 16 ? scr->dma_desc_pa : scr->dma_desc_pa + 2 * sizeof (struct lcd_dma_descriptor)); bus_space_write_4(iot, ioh, LCDC_FDADR1, scr->dma_desc_pa + 1 * sizeof (struct lcd_dma_descriptor)); /* clear status */ bus_space_write_4(iot, ioh, LCDC_LCSR, 0); delay(1000); /* ??? */ /* Enable LCDC */ tmp = bus_space_read_4(iot, ioh, LCDC_LCCR0); /*tmp &= ~LCCR0_SFM;*/ bus_space_write_4(iot, ioh, LCDC_LCCR0, tmp | LCCR0_ENB); restore_interrupts(save); } /* * Disable screen refresh. */ void pxa2x0_lcd_stop_dma(bus_space_tag_t iot, bus_space_handle_t ioh) { /* Stop LCD DMA after current frame */ bus_space_write_4(iot, ioh, LCDC_LCCR0, LCCR0_DIS | bus_space_read_4(iot, ioh, LCDC_LCCR0)); /* wait for disabling done. XXX: use interrupt. */ while (LCCR0_ENB & bus_space_read_4(iot, ioh, LCDC_LCCR0)) ; bus_space_write_4(iot, ioh, LCDC_LCCR0, ~LCCR0_DIS & bus_space_read_4(iot, ioh, LCDC_LCCR0)); } #define _rgb(r,g,b) (((r)<<11) | ((g)<<5) | b) #define rgb(r,g,b) _rgb((r)>>1,g,(b)>>1) #define L 0x1f /* low intensity */ #define H 0x3f /* high intensity */ static uint16_t basic_color_map[] = { rgb( 0, 0, 0), /* black */ rgb( L, 0, 0), /* red */ rgb( 0, L, 0), /* green */ rgb( L, L, 0), /* brown */ rgb( 0, 0, L), /* blue */ rgb( L, 0, L), /* magenta */ rgb( 0, L, L), /* cyan */ rgb( 0x31,0x31,0x31), /* white */ rgb( L, L, L), /* black */ rgb( H, 0, 0), /* red */ rgb( 0, H, 0), /* green */ rgb( H, H, 0), /* brown */ rgb( 0, 0, H), /* blue */ rgb( H, 0, H), /* magenta */ rgb( 0, H, H), /* cyan */ rgb( H, H, H) }; #undef H #undef L static void init_palette(uint16_t *buf, int depth) { int i; /* convert RGB332 to RGB565 */ switch (depth) { case 8: case 4: #if 0 for (i = 0; i <= 255; ++i) { buf[i] = ((9 * ((i >> 5) & 0x07)) << 11) | ((9 * ((i >> 2) & 0x07)) << 5) | ((21 * (i & 0x03)) / 2); } #else memcpy(buf, basic_color_map, sizeof basic_color_map); for (i = 16; i < (1 << depth); ++i) buf[i] = 0xffff; #endif break; case 16: /* palette is not needed */ break; default: /* other depths are not supported */ break; } } /* * Create and initialize a new screen buffer. */ int pxa2x0_lcd_new_screen(struct pxa2x0_lcd_softc *sc, struct pxa2x0_lcd_screen *scr, int depth) { bus_space_tag_t iot; bus_space_handle_t ioh; bus_dma_tag_t dma_tag; const struct lcd_panel_geometry *geometry; int width, height; bus_size_t size; int error, palette_size; int busdma_flag = (cold ? BUS_DMA_NOWAIT : BUS_DMA_WAITOK); struct lcd_dma_descriptor *desc; paddr_t buf_pa, desc_pa; if (sc != NULL) { iot = sc->iot; ioh = sc->ioh; dma_tag = sc->dma_tag; geometry = sc->geometry; } else { /* We are creating the console screen. */ iot = pxa2x0_lcd_console.iot; ioh = pxa2x0_lcd_console.ioh; dma_tag = pxa2x0_lcd_console.dma_tag; geometry = pxa2x0_lcd_console.geometry; } width = geometry->panel_width; height = geometry->panel_height; palette_size = 0; switch (depth) { case 1: case 2: case 4: case 8: palette_size = (1 << depth) * sizeof (uint16_t); /* FALLTHROUGH */ case 16: size = roundup(width, 4) * depth / 8 * height; break; default: printf("%s: Unknown depth (%d)\n", sc != NULL ? sc->dev.dv_xname : "console", depth); return (EINVAL); } bzero(scr, sizeof *scr); scr->nsegs = 0; scr->depth = depth; scr->buf_size = size; scr->buf_va = NULL; size = roundup(size, 16) + 3 * sizeof (struct lcd_dma_descriptor) + palette_size; error = bus_dmamem_alloc(dma_tag, size, 16, 0, scr->segs, 1, &(scr->nsegs), busdma_flag); if (error != 0 || scr->nsegs != 1) { /* XXX: Actually we can handle nsegs > 1 case by means of multiple DMA descriptors for a panel. It would make code here a bit hairy */ if (error == 0) error = E2BIG; goto bad; } error = bus_dmamem_map(dma_tag, scr->segs, scr->nsegs, size, (caddr_t *)&(scr->buf_va), busdma_flag | BUS_DMA_COHERENT); if (error != 0) goto bad; memset(scr->buf_va, 0, scr->buf_size); /* map memory for DMA */ if (bus_dmamap_create(dma_tag, 1024 * 1024 * 2, 1, 1024 * 1024 * 2, 0, busdma_flag, &scr->dma)) goto bad; error = bus_dmamap_load(dma_tag, scr->dma, scr->buf_va, size, NULL, busdma_flag); if (error != 0) { goto bad; } buf_pa = scr->segs[0].ds_addr; desc_pa = buf_pa + roundup(size, PAGE_SIZE) - 3 * sizeof *desc; /* make descriptors at the top of mapped memory */ desc = (struct lcd_dma_descriptor *) ((caddr_t)(scr->buf_va) + roundup(size, PAGE_SIZE) - 3 * sizeof *desc); desc[0].fdadr = desc_pa; desc[0].fsadr = buf_pa; desc[0].ldcmd = scr->buf_size; if (palette_size) { init_palette((uint16_t *)((char *)desc - palette_size), depth); desc[2].fdadr = desc_pa; /* chain to panel 0 */ desc[2].fsadr = desc_pa - palette_size; desc[2].ldcmd = palette_size | LDCMD_PAL; } if (geometry->panel_info & LCDPANEL_DUAL) { /* Dual panel */ desc[1].fdadr = desc_pa + sizeof *desc; desc[1].fsadr = buf_pa + scr->buf_size / 2; desc[0].ldcmd = desc[1].ldcmd = scr->buf_size / 2; } #if 0 desc[0].ldcmd |= LDCMD_SOFINT; desc[1].ldcmd |= LDCMD_SOFINT; #endif scr->dma_desc = desc; scr->dma_desc_pa = desc_pa; scr->map_size = size; /* used when unmap this. */ if (sc != NULL) { LIST_INSERT_HEAD(&(sc->screens), scr, link); sc->n_screens++; } return (0); bad: if (scr->buf_va) bus_dmamem_unmap(dma_tag, scr->buf_va, size); if (scr->nsegs) bus_dmamem_free(dma_tag, scr->segs, scr->nsegs); return (error); } /* * Initialize rasops for a screen, as well as struct wsscreen_descr if this * is the first screen creation. */ void pxa2x0_lcd_setup_rasops(struct rasops_info *rinfo, struct pxa2x0_wsscreen_descr *descr, const struct lcd_panel_geometry *geom) { rinfo->ri_flg = descr->flags; rinfo->ri_depth = descr->depth; rinfo->ri_width = geom->panel_width; rinfo->ri_height = geom->panel_height; rinfo->ri_stride = rinfo->ri_width * rinfo->ri_depth / 8; #ifdef notyet rinfo->ri_wsfcookie = -1; /* XXX */ #endif /* swap B and R */ if (descr->depth == 16) { rinfo->ri_rnum = 5; rinfo->ri_rpos = 11; rinfo->ri_gnum = 6; rinfo->ri_gpos = 5; rinfo->ri_bnum = 5; rinfo->ri_bpos = 0; } if (descr->c.nrows == 0) { /* get rasops to compute screen size the first time */ rasops_init(rinfo, 100, 100); } else #ifndef __zaurus__ rasops_init(rinfo, descr->c.nrows, descr->c.ncols); #else /* XXX swap rows/cols for second call because of rotation */ rasops_init(rinfo, descr->c.ncols, descr->c.nrows); #endif descr->c.nrows = rinfo->ri_rows; descr->c.ncols = rinfo->ri_cols; descr->c.capabilities = rinfo->ri_caps; descr->c.textops = &rinfo->ri_ops; } /* * Early console attachment. * This initializes the LCD, then creates and displays a screen buffer. * This screen will be accounted for in the softc when the lcd device attaches. */ int pxa2x0_lcd_cnattach(struct pxa2x0_wsscreen_descr *descr, const struct lcd_panel_geometry *geom, void (*clkman)(u_int, int)) { struct rasops_info *ri; long defattr; int error; /* map controller registers */ pxa2x0_lcd_console.iot = &pxa2x0_bs_tag; error = bus_space_map(pxa2x0_lcd_console.iot, PXA2X0_LCDC_BASE, PXA2X0_LCDC_SIZE, 0, &pxa2x0_lcd_console.ioh); if (error != 0) return (error); pxa2x0_lcd_console.dma_tag = &pxa2x0_bus_dma_tag; pxa2x0_lcd_console.geometry = geom; pxa2x0_lcd_initialize(pxa2x0_lcd_console.iot, pxa2x0_lcd_console.ioh, pxa2x0_lcd_console.geometry, clkman); error = pxa2x0_lcd_new_screen(NULL, &pxa2x0_lcd_console.scr, descr->depth); if (error != 0) return (error); ri = &pxa2x0_lcd_console.scr.rinfo; ri->ri_hw = (void *)&pxa2x0_lcd_console.scr; ri->ri_bits = pxa2x0_lcd_console.scr.buf_va; pxa2x0_lcd_setup_rasops(ri, descr, pxa2x0_lcd_console.geometry); /* assumes 16 bpp */ ri->ri_ops.alloc_attr(ri, 0, 0, 0, &defattr); pxa2x0_lcd_start_dma(pxa2x0_lcd_console.iot, pxa2x0_lcd_console.ioh, &pxa2x0_lcd_console.scr); wsdisplay_cnattach(&descr->c, ri, ri->ri_ccol, ri->ri_crow, defattr); return (0); } /* * Do the necessary accounting to bring the console variables in the softc. */ void pxa2x0_lcd_setup_console(struct pxa2x0_lcd_softc *sc, const struct pxa2x0_wsscreen_descr *descr) { struct pxa2x0_lcd_screen *scr = &pxa2x0_lcd_console.scr; /* * Register the console screen as if it had been created * when the lcd device attached. */ LIST_INSERT_HEAD(&(sc->screens), &pxa2x0_lcd_console.scr, link); sc->n_screens++; sc->active = scr; } /* * wsdisplay accessops */ int pxa2x0_lcd_show_screen(void *v, void *cookie, int waitok, void (*cb)(void *, int, int), void *cbarg) { struct pxa2x0_lcd_softc *sc = v; struct rasops_info *ri = cookie; struct pxa2x0_lcd_screen *scr = ri->ri_hw, *old; old = sc->active; if (old == scr) return 0; if (old) pxa2x0_lcd_stop_dma(sc->iot, sc->ioh); pxa2x0_lcd_start_dma(sc->iot, sc->ioh, scr); sc->active = scr; return 0; } int pxa2x0_lcd_alloc_screen(void *v, const struct wsscreen_descr *_type, void **cookiep, int *curxp, int *curyp, long *attrp) { struct pxa2x0_lcd_softc *sc = v; struct pxa2x0_lcd_screen *scr; struct rasops_info *ri; struct pxa2x0_wsscreen_descr *type = (struct pxa2x0_wsscreen_descr *)_type; int error; scr = malloc(sizeof *scr, M_DEVBUF, (cold ? M_NOWAIT : M_WAITOK)); if (scr == NULL) return (ENOMEM); error = pxa2x0_lcd_new_screen(sc, scr, type->depth); if (error != 0) { free(scr, M_DEVBUF); return (error); } /* * initialize raster operation for this screen. */ ri = &scr->rinfo; ri->ri_hw = (void *)scr; ri->ri_bits = scr->buf_va; pxa2x0_lcd_setup_rasops(ri, type, sc->geometry); /* assumes 16 bpp */ ri->ri_ops.alloc_attr(ri, 0, 0, 0, attrp); *cookiep = ri; *curxp = 0; *curyp = 0; return 0; } void pxa2x0_lcd_free_screen(void *v, void *cookie) { struct pxa2x0_lcd_softc *sc = v; struct rasops_info *ri = cookie; struct pxa2x0_lcd_screen *scr = ri->ri_hw; LIST_REMOVE(scr, link); sc->n_screens--; if (scr == sc->active) { /* at first, we need to stop LCD DMA */ sc->active = NULL; #ifdef DEBUG printf("lcd_free on active screen\n"); #endif pxa2x0_lcd_stop_dma(sc->iot, sc->ioh); } if (scr->buf_va) bus_dmamem_unmap(sc->dma_tag, scr->buf_va, scr->map_size); if (scr->nsegs > 0) bus_dmamem_free(sc->dma_tag, scr->segs, scr->nsegs); free(scr, M_DEVBUF); } int pxa2x0_lcd_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p) { struct pxa2x0_lcd_softc *sc = v; struct wsdisplay_fbinfo *wsdisp_info; struct pxa2x0_lcd_screen *scr = sc->active; /* ??? */ switch (cmd) { case WSDISPLAYIO_GTYPE: *(u_int *)data = WSDISPLAY_TYPE_PXALCD; /* XXX */ break; case WSDISPLAYIO_GINFO: wsdisp_info = (struct wsdisplay_fbinfo *)data; wsdisp_info->height = sc->geometry->panel_height; wsdisp_info->width = sc->geometry->panel_width; wsdisp_info->depth = 16; /* XXX */ wsdisp_info->cmsize = 0; break; case WSDISPLAYIO_GETCMAP: case WSDISPLAYIO_PUTCMAP: return EINVAL; /* XXX Colormap */ case WSDISPLAYIO_SVIDEO: case WSDISPLAYIO_GVIDEO: break; case WSDISPLAYIO_GCURPOS: case WSDISPLAYIO_SCURPOS: case WSDISPLAYIO_GCURMAX: case WSDISPLAYIO_GCURSOR: case WSDISPLAYIO_SCURSOR: default: return -1; /* not implemented */ case WSDISPLAYIO_LINEBYTES: *(u_int *)data = scr->rinfo.ri_stride; break; } return (0); } paddr_t pxa2x0_lcd_mmap(void *v, off_t offset, int prot) { struct pxa2x0_lcd_softc *sc = v; struct pxa2x0_lcd_screen *screen = sc->active; /* ??? */ if ((offset & PAGE_MASK) != 0) return (-1); if (screen == NULL) return (-1); if (offset < 0 || offset >= screen->rinfo.ri_stride * screen->rinfo.ri_height) return (-1); return (bus_dmamem_mmap(sc->dma_tag, screen->segs, screen->nsegs, offset, prot, BUS_DMA_WAITOK | BUS_DMA_COHERENT)); } void pxa2x0_lcd_suspend(struct pxa2x0_lcd_softc *sc) { if (sc->active != NULL) { pxa2x0_lcd_stop_dma(sc->iot, sc->ioh); pxa2x0_clkman_config(CKEN_LCD, 0); } } void pxa2x0_lcd_resume(struct pxa2x0_lcd_softc *sc) { if (sc->active != NULL) { pxa2x0_lcd_initialize(sc->iot, sc->ioh, sc->geometry, pxa2x0_clkman_config); pxa2x0_lcd_start_dma(sc->iot, sc->ioh, sc->active); } } void pxa2x0_lcd_power(int why, void *v) { struct pxa2x0_lcd_softc *sc = v; switch (why) { case PWR_SUSPEND: case PWR_STANDBY: pxa2x0_lcd_suspend(sc); break; case PWR_RESUME: pxa2x0_lcd_resume(sc); break; } }