/* $NetBSD: sa11x0_lcd.c,v 1.7 2001/07/08 14:45:03 ichiro Exp $ */ #define SALCD_DEBUG /* * Copyright (c) 2001 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Ichiro FUKUHARA (ichiro@ichiro.org). * * 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 by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``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 THE FOUNDATION OR CONTRIBUTORS * 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. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef SALCD_DEBUG #define DPRINTFN(n, x) if (salcddebug > (n)) printf x int salcddebug = 0xff; #else #define DPRINTFN(n, x) #endif #define DPRINTF(x) DPRINTFN(0, x) static int salcd_match(struct device *, struct cfdata *, void *); static void salcd_attach(struct device *, struct device *, void *); static void salcd_init(struct salcd_softc *); static int salcd_fbinit(struct hpcfb_fbconf *); static int salcd_ioctl(void *, u_long, caddr_t, int, struct proc *); static paddr_t salcd_mmap(void *, off_t offset, int); extern struct bus_space sa11x0_bs_tag; #if defined __mips__ || defined __sh__ || defined __arm__ #define __BTOP(x) ((paddr_t)(x) >> PGSHIFT) #define __PTOB(x) ((paddr_t)(x) << PGSHIFT) #else #error "define btop, ptob." #endif struct cfattach salcd_ca = { sizeof(struct salcd_softc), salcd_match, salcd_attach }; struct hpcfb_accessops salcd_ha = { salcd_ioctl, salcd_mmap }; static int console_flag = 0; static int salcd_match(parent, match, aux) struct device *parent; struct cfdata *match; void *aux; { return (1); } void salcd_attach(parent, self, aux) struct device *parent; struct device *self; void *aux; { struct salcd_softc *sc = (struct salcd_softc*)self; struct hpcfb_attach_args ha; sc->sc_iot = &sa11x0_bs_tag; sc->sc_parent = (struct sa11x0_softc *)parent; salcd_init(sc); salcd_fbinit(&sc->sc_fbconf); printf("\n"); printf("%s: SA-11x0 internal LCD controller\n", sc->sc_dev.dv_xname); DPRINTF(("framebuffer_baseaddr=%lx\n", (u_long)bootinfo->fb_addr)); ha.ha_console = console_flag; ha.ha_accessops = &salcd_ha; ha.ha_accessctx = sc; ha.ha_curfbconf = 0; ha.ha_nfbconf = 1; ha.ha_fbconflist = &sc->sc_fbconf; ha.ha_curdspconf = 0; ha.ha_ndspconf = 1; ha.ha_dspconflist = &sc->sc_dspconf; config_found(&sc->sc_dev, &ha, hpcfbprint); } void salcd_init(sc) struct salcd_softc *sc; { #if 0 /* Initialization of Extended GPIO */ bus_space_write_4(sc->sc_iot, sc->sc_parent->sc_egpioh, 0, EGPIO_LCD_INIT); #endif if (bus_space_map(sc->sc_iot, SALCD_BASE, SALCD_NPORTS, 0, &sc->sc_ioh)) panic("salcd_init:Cannot map registers\n"); (u_long)bootinfo->fb_addr = bus_space_read_4(sc->sc_iot, sc->sc_ioh, SALCD_BA1); /* * Initialize LCD Control Register 0 - 3 * must initialize DMA Channel Base Address Register * before enabling LCD(LEN = 1) */ bus_space_write_4(sc->sc_iot, sc->sc_ioh, SALCD_CR1, IPAQ_LCCR1); bus_space_write_4(sc->sc_iot, sc->sc_ioh, SALCD_CR2, IPAQ_LCCR2); bus_space_write_4(sc->sc_iot, sc->sc_ioh, SALCD_CR3, IPAQ_LCCR3); bus_space_write_4(sc->sc_iot, sc->sc_ioh, SALCD_CR0, IPAQ_LCCR0); DPRINTF(("DMA_BASE= %08x : DMA_CUR = %08x \n" "LCCR0 = %08x : LCCR1 = %08x \n" "LCCR2 = %08x : LCCR3 = %08x", bus_space_read_4(sc->sc_iot, sc->sc_ioh, SALCD_BA1), bus_space_read_4(sc->sc_iot, sc->sc_ioh, SALCD_CA1), bus_space_read_4(sc->sc_iot, sc->sc_ioh, SALCD_CR0), bus_space_read_4(sc->sc_iot, sc->sc_ioh, SALCD_CR1), bus_space_read_4(sc->sc_iot, sc->sc_ioh, SALCD_CR2), bus_space_read_4(sc->sc_iot, sc->sc_ioh, SALCD_CR3))); } int salcd_fbinit(fb) struct hpcfb_fbconf *fb; { /* Initialize fb */ memset(fb, 0, sizeof(*fb)); fb->hf_conf_index = 0; /* configuration index */ fb->hf_nconfs = 1; strcpy(fb->hf_name, "built-in video"); strcpy(fb->hf_conf_name, "LCD"); /* configuration name */ fb->hf_height = bootinfo->fb_height; fb->hf_width = bootinfo->fb_width; if (bus_space_map(&sa11x0_bs_tag, (bus_addr_t)bootinfo->fb_addr, bootinfo->fb_height * bootinfo->fb_line_bytes, 0, &fb->hf_baseaddr)) { printf("unable to map framebuffer\n"); return (-1); } fb->hf_offset = (u_long)bootinfo->fb_addr - __PTOB(__BTOP(bootinfo->fb_addr)); /* frame buffer start offset */ fb->hf_bytes_per_line = bootinfo->fb_line_bytes; fb->hf_nplanes = 1; fb->hf_bytes_per_plane = bootinfo->fb_height * bootinfo->fb_line_bytes; fb->hf_access_flags |= HPCFB_ACCESS_BYTE; fb->hf_access_flags |= HPCFB_ACCESS_WORD; fb->hf_access_flags |= HPCFB_ACCESS_DWORD; switch (bootinfo->fb_type) { /* * gray scale */ case BIFB_D2_M2L_3: case BIFB_D2_M2L_3x2: fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; case BIFB_D2_M2L_0: case BIFB_D2_M2L_0x2: fb->hf_class = HPCFB_CLASS_GRAYSCALE; break; case BIFB_D4_M2L_F: case BIFB_D4_M2L_Fx2: fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; case BIFB_D4_M2L_0: case BIFB_D4_M2L_0x2: fb->hf_class = HPCFB_CLASS_GRAYSCALE; break; /* * indexed color */ case BIFB_D8_FF: case BIFB_D8_00: fb->hf_offset = 0x200; break; /* * RGB color */ case BIFB_D16_FFFF: case BIFB_D16_0000: fb->hf_class = HPCFB_CLASS_RGBCOLOR; fb->hf_access_flags |= HPCFB_ACCESS_STATIC; fb->hf_pack_width = 16; fb->hf_pixels_per_pack = 1; fb->hf_pixel_width = 16; fb->hf_class_data_length = sizeof(struct hf_rgb_tag); fb->hf_u.hf_rgb.hf_flags = 0; /* reserved for future use */ fb->hf_u.hf_rgb.hf_red_width = 5; fb->hf_u.hf_rgb.hf_red_shift = 11; fb->hf_u.hf_rgb.hf_green_width = 6; fb->hf_u.hf_rgb.hf_green_shift = 5; fb->hf_u.hf_rgb.hf_blue_width = 5; fb->hf_u.hf_rgb.hf_blue_shift = 0; fb->hf_u.hf_rgb.hf_alpha_width = 0; fb->hf_u.hf_rgb.hf_alpha_shift = 0; break; default : printf("unknown type (=%d).\n", bootinfo->fb_type); return (-1); break; } return(0); } int salcd_ioctl(v, cmd, data, flag, p) void *v; u_long cmd; caddr_t data; int flag; struct proc *p; { struct salcd_softc *sc = (struct salcd_softc *)v; struct hpcfb_fbconf *fbconf; struct hpcfb_dspconf *dspconf; struct wsdisplay_cmap *cmap; struct wsdisplay_param *dispparam; switch (cmd) { case WSDISPLAYIO_GETCMAP: cmap = (struct wsdisplay_cmap*)data; if (sc->sc_fbconf.hf_class != HPCFB_CLASS_INDEXCOLOR || sc->sc_fbconf.hf_pack_width != 8 || 256 <= cmap->index || 256 < (cmap->index + cmap->count)) return (EINVAL); return (0); case WSDISPLAYIO_PUTCMAP: return (EINVAL); case WSDISPLAYIO_GETPARAM: dispparam = (struct wsdisplay_param*)data; switch (dispparam->param) { case WSDISPLAYIO_PARAM_BACKLIGHT: DPRINTF(("salcd_ioctl: GETPARAM:BACKLIGHT\n")); return (EINVAL); case WSDISPLAYIO_PARAM_CONTRAST: DPRINTF(("salcd_ioctl: GETPARAM:CONTRAST\n")); return (EINVAL); case WSDISPLAYIO_PARAM_BRIGHTNESS: DPRINTF(("salcd_ioctl: GETPARAM:BRIGHTNESS\n")); return (EINVAL); default: return (EINVAL); } return (0); case WSDISPLAYIO_SETPARAM: dispparam = (struct wsdisplay_param*)data; switch (dispparam->param) { case WSDISPLAYIO_PARAM_BACKLIGHT: DPRINTF(("salcd_ioctl: GETPARAM:BACKLIGHT\n")); return (EINVAL); case WSDISPLAYIO_PARAM_CONTRAST: DPRINTF(("salcd_ioctl: GETPARAM:CONTRAST\n")); return (EINVAL); case WSDISPLAYIO_PARAM_BRIGHTNESS: DPRINTF(("salcd_ioctl: GETPARAM:BRIGHTNESS\n")); return (EINVAL); default: return (EINVAL); } return (0); case HPCFBIO_GCONF: fbconf = (struct hpcfb_fbconf *)data; if (fbconf->hf_conf_index != 0 && fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { return (EINVAL); } *fbconf = sc->sc_fbconf; /* structure assignment */ return (0); case HPCFBIO_SCONF: fbconf = (struct hpcfb_fbconf *)data; if (fbconf->hf_conf_index != 0 && fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { return (EINVAL); } /* * nothing to do because we have only one configration */ return (0); case HPCFBIO_GDSPCONF: dspconf = (struct hpcfb_dspconf *)data; if ((dspconf->hd_unit_index != 0 && dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || (dspconf->hd_conf_index != 0 && dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { return (EINVAL); } *dspconf = sc->sc_dspconf; /* structure assignment */ return (0); case HPCFBIO_SDSPCONF: dspconf = (struct hpcfb_dspconf *)data; if ((dspconf->hd_unit_index != 0 && dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || (dspconf->hd_conf_index != 0 && dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { return (EINVAL); } /* * nothing to do * because we have only one unit and one configration */ return (0); case HPCFBIO_GOP: case HPCFBIO_SOP: return (EINVAL); } return (ENOTTY); } paddr_t salcd_mmap(ctx, offset, prot) void *ctx; off_t offset; int prot; { struct salcd_softc *sc = (struct salcd_softc *)ctx; if (offset < 0 || (sc->sc_fbconf.hf_bytes_per_plane + sc->sc_fbconf.hf_offset) < offset) return -1; return __BTOP((u_long)bootinfo->fb_addr + offset); }