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-rw-r--r--sys/arm/versatile/versatile_clcd.c828
1 files changed, 828 insertions, 0 deletions
diff --git a/sys/arm/versatile/versatile_clcd.c b/sys/arm/versatile/versatile_clcd.c
new file mode 100644
index 0000000..9b1ceff
--- /dev/null
+++ b/sys/arm/versatile/versatile_clcd.c
@@ -0,0 +1,828 @@
+/*
+ * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/malloc.h>
+#include <sys/rman.h>
+#include <sys/fbio.h>
+#include <sys/consio.h>
+#include <sys/kdb.h>
+
+#include <machine/bus.h>
+#include <machine/cpu.h>
+#include <machine/frame.h>
+#include <machine/intr.h>
+
+#include <dev/fdt/fdt_common.h>
+#include <dev/ofw/openfirm.h>
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <dev/fb/fbreg.h>
+#include <dev/syscons/syscons.h>
+
+#include <machine/bus.h>
+#include <machine/fdt.h>
+
+#define PL110_VENDOR_ARM926PXP 1
+
+#define MEM_SYS 0
+#define MEM_CLCD 1
+#define MEM_REGIONS 2
+
+#define SYS_CLCD 0x00
+#define SYS_CLCD_CLCDID_SHIFT 0x08
+#define SYS_CLCD_CLCDID_MASK 0x1f
+#define SYS_CLCD_PWR3V5VSWITCH (1 << 4)
+#define SYS_CLCD_VDDPOSSWITCH (1 << 3)
+#define SYS_CLCD_NLCDIOON (1 << 2)
+#define SYS_CLCD_LCD_MODE_MASK 0x03
+
+#define CLCD_MODE_RGB888 0x0
+#define CLCD_MODE_RGB555 0x01
+#define CLCD_MODE_RBG565 0x02
+#define CLCD_MODE_RGB565 0x03
+
+#define CLCDC_TIMING0 0x00
+#define CLCDC_TIMING1 0x04
+#define CLCDC_TIMING2 0x08
+#define CLCDC_TIMING3 0x0C
+#define CLCDC_TIMING3 0x0C
+#define CLCDC_UPBASE 0x10
+#define CLCDC_LPBASE 0x14
+#ifdef PL110_VENDOR_ARM926PXP
+#define CLCDC_CONTROL 0x18
+#define CLCDC_IMSC 0x1C
+#else
+#define CLCDC_IMSC 0x18
+#define CLCDC_CONTROL 0x1C
+#endif
+#define CONTROL_WATERMARK (1 << 16)
+#define CONTROL_VCOMP_VS (0 << 12)
+#define CONTROL_VCOMP_BP (1 << 12)
+#define CONTROL_VCOMP_SAV (2 << 12)
+#define CONTROL_VCOMP_FP (3 << 12)
+#define CONTROL_PWR (1 << 11)
+#define CONTROL_BEPO (1 << 10)
+#define CONTROL_BEBO (1 << 9)
+#define CONTROL_BGR (1 << 8)
+#define CONTROL_DUAL (1 << 7)
+#define CONTROL_MONO8 (1 << 6)
+#define CONTROL_TFT (1 << 5)
+#define CONTROL_BW (1 << 4)
+#define CONTROL_BPP1 (0x00 << 1)
+#define CONTROL_BPP2 (0x01 << 1)
+#define CONTROL_BPP4 (0x02 << 1)
+#define CONTROL_BPP8 (0x03 << 1)
+#define CONTROL_BPP16 (0x04 << 1)
+#define CONTROL_BPP24 (0x05 << 1)
+#define CONTROL_EN (1 << 0)
+#define CLCDC_RIS 0x20
+#define CLCDC_MIS 0x24
+#define INTR_MBERR (1 << 4)
+#define INTR_VCOMP (1 << 3)
+#define INTR_LNB (1 << 2)
+#define INTR_FUF (1 << 1)
+#define CLCDC_ICR 0x28
+
+#ifdef DEBUG
+#define dprintf(fmt, args...) do { printf("%s(): ", __func__); \
+ printf(fmt,##args); } while (0)
+#else
+#define dprintf(fmt, args...)
+#endif
+
+#define versatile_clcdc_sys_read_4(sc, reg) \
+ bus_read_4((sc)->mem_res[MEM_SYS], (reg))
+#define versatile_clcdc_sys_write_4(sc, reg, val) \
+ bus_write_4((sc)->mem_res[MEM_SYS], (reg), (val))
+
+#define versatile_clcdc_read_4(sc, reg) \
+ bus_read_4((sc)->mem_res[MEM_CLCD], (reg))
+#define versatile_clcdc_write_4(sc, reg, val) \
+ bus_write_4((sc)->mem_res[MEM_CLCD], (reg), (val))
+
+struct versatile_clcdc_softc {
+ struct resource* mem_res[MEM_REGIONS];
+
+ struct mtx mtx;
+
+ int width;
+ int height;
+ int mode;
+
+ bus_dma_tag_t dma_tag;
+ bus_dmamap_t dma_map;
+ bus_addr_t fb_phys;
+ uint8_t *fb_base;
+
+};
+
+struct video_adapter_softc {
+ /* Videoadpater part */
+ video_adapter_t va;
+ int console;
+
+ intptr_t fb_addr;
+ unsigned int fb_size;
+
+ unsigned int height;
+ unsigned int width;
+ unsigned int depth;
+ unsigned int stride;
+
+ unsigned int xmargin;
+ unsigned int ymargin;
+
+ unsigned char *font;
+ int initialized;
+};
+
+struct argb {
+ uint8_t a;
+ uint8_t r;
+ uint8_t g;
+ uint8_t b;
+};
+
+static struct argb versatilefb_palette[16] = {
+ {0x00, 0x00, 0x00, 0x00},
+ {0x00, 0x00, 0x00, 0xaa},
+ {0x00, 0x00, 0xaa, 0x00},
+ {0x00, 0x00, 0xaa, 0xaa},
+ {0x00, 0xaa, 0x00, 0x00},
+ {0x00, 0xaa, 0x00, 0xaa},
+ {0x00, 0xaa, 0x55, 0x00},
+ {0x00, 0xaa, 0xaa, 0xaa},
+ {0x00, 0x55, 0x55, 0x55},
+ {0x00, 0x55, 0x55, 0xff},
+ {0x00, 0x55, 0xff, 0x55},
+ {0x00, 0x55, 0xff, 0xff},
+ {0x00, 0xff, 0x55, 0x55},
+ {0x00, 0xff, 0x55, 0xff},
+ {0x00, 0xff, 0xff, 0x55},
+ {0x00, 0xff, 0xff, 0xff}
+};
+
+#define FB_WIDTH 640
+#define FB_HEIGHT 480
+#define FB_DEPTH 16
+
+#define VERSATILE_FONT_HEIGHT 16
+
+static struct video_adapter_softc va_softc;
+
+static struct resource_spec versatile_clcdc_mem_spec[] = {
+ { SYS_RES_MEMORY, 0, RF_ACTIVE },
+ { SYS_RES_MEMORY, 1, RF_ACTIVE },
+ { -1, 0, 0 }
+};
+
+static int versatilefb_configure(int);
+static void versatilefb_update_margins(video_adapter_t *adp);
+
+static void
+versatile_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err)
+{
+ bus_addr_t *addr;
+
+ if (err)
+ return;
+
+ addr = (bus_addr_t*)arg;
+ *addr = segs[0].ds_addr;
+}
+
+static int
+versatile_clcdc_probe(device_t dev)
+{
+
+ if (ofw_bus_is_compatible(dev, "arm,pl110")) {
+ device_set_desc(dev, "PL110 CLCD controller");
+ return (BUS_PROBE_DEFAULT);
+ }
+
+ return (ENXIO);
+}
+
+static int
+versatile_clcdc_attach(device_t dev)
+{
+ struct versatile_clcdc_softc *sc = device_get_softc(dev);
+ struct video_adapter_softc *va_sc = &va_softc;
+ int err;
+ uint32_t reg;
+ int clcdid;
+ int dma_size;
+
+ /* Request memory resources */
+ err = bus_alloc_resources(dev, versatile_clcdc_mem_spec,
+ sc->mem_res);
+ if (err) {
+ device_printf(dev, "Error: could not allocate memory resources\n");
+ return (ENXIO);
+ }
+
+ reg = versatile_clcdc_sys_read_4(sc, SYS_CLCD);
+ clcdid = (reg >> SYS_CLCD_CLCDID_SHIFT) & SYS_CLCD_CLCDID_MASK;
+ switch (clcdid) {
+ case 31:
+ device_printf(dev, "QEMU VGA 640x480\n");
+ sc->width = 640;
+ sc->height = 480;
+ break;
+ default:
+ device_printf(dev, "Unsupported: %d\n", clcdid);
+ goto fail;
+ }
+
+ reg &= ~SYS_CLCD_LCD_MODE_MASK;
+ reg |= CLCD_MODE_RGB565;
+ sc->mode = CLCD_MODE_RGB565;
+ versatile_clcdc_sys_write_4(sc, SYS_CLCD, reg);
+ dma_size = sc->width*sc->height*2;
+
+ /*
+ * Power on LCD
+ */
+ reg |= SYS_CLCD_PWR3V5VSWITCH | SYS_CLCD_NLCDIOON;
+ versatile_clcdc_sys_write_4(sc, SYS_CLCD, reg);
+
+ /*
+ * XXX: hardcoded timing for VGA. For other modes/panels
+ * we need to keep table of timing register values
+ */
+ /*
+ * XXX: set SYS_OSC1
+ */
+ versatile_clcdc_write_4(sc, CLCDC_TIMING0, 0x3F1F3F9C);
+ versatile_clcdc_write_4(sc, CLCDC_TIMING1, 0x090B61DF);
+ versatile_clcdc_write_4(sc, CLCDC_TIMING2, 0x067F1800);
+ /* XXX: timing 3? */
+
+ /*
+ * Now allocate framebuffer memory
+ */
+ err = bus_dma_tag_create(
+ bus_get_dma_tag(dev),
+ 4, 0, /* alignment, boundary */
+ BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
+ BUS_SPACE_MAXADDR, /* highaddr */
+ NULL, NULL, /* filter, filterarg */
+ dma_size, 1, /* maxsize, nsegments */
+ dma_size, 0, /* maxsegsize, flags */
+ NULL, NULL, /* lockfunc, lockarg */
+ &sc->dma_tag);
+
+ err = bus_dmamem_alloc(sc->dma_tag, (void **)&sc->fb_base,
+ 0, &sc->dma_map);
+ if (err) {
+ device_printf(dev, "cannot allocate framebuffer\n");
+ goto fail;
+ }
+
+ err = bus_dmamap_load(sc->dma_tag, sc->dma_map, sc->fb_base,
+ dma_size, versatile_fb_dmamap_cb, &sc->fb_phys, BUS_DMA_NOWAIT);
+
+ if (err) {
+ device_printf(dev, "cannot load DMA map\n");
+ goto fail;
+ }
+
+ /* Make sure it's blank */
+ memset(sc->fb_base, 0x00, dma_size);
+
+ versatile_clcdc_write_4(sc, CLCDC_UPBASE, sc->fb_phys);
+
+ err = (sc_attach_unit(device_get_unit(dev),
+ device_get_flags(dev) | SC_AUTODETECT_KBD));
+
+ if (err) {
+ device_printf(dev, "failed to attach syscons\n");
+ goto fail;
+ }
+
+ /*
+ * XXX: hardcoded for VGA
+ */
+ reg = CONTROL_VCOMP_BP | CONTROL_TFT | CONTROL_BGR | CONTROL_EN;
+ reg |= CONTROL_BPP16;
+ versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg);
+ DELAY(20);
+ reg |= CONTROL_PWR;
+ versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg);
+
+ va_sc->fb_addr = (vm_offset_t)sc->fb_base;
+ va_sc->fb_size = dma_size;
+ va_sc->width = sc->width;
+ va_sc->height = sc->height;
+ va_sc->depth = 16;
+ va_sc->stride = sc->width * 2;
+ versatilefb_update_margins(&va_sc->va);
+
+ return (0);
+
+fail:
+ if (sc->fb_base)
+ bus_dmamem_free(sc->dma_tag, sc->fb_base, sc->dma_map);
+ if (sc->dma_map)
+ bus_dmamap_destroy(sc->dma_tag, sc->dma_map);
+ if (sc->dma_tag)
+ bus_dma_tag_destroy(sc->dma_tag);
+ return (err);
+}
+
+static device_method_t versatile_clcdc_methods[] = {
+ DEVMETHOD(device_probe, versatile_clcdc_probe),
+ DEVMETHOD(device_attach, versatile_clcdc_attach),
+
+ DEVMETHOD_END
+};
+
+static driver_t versatile_clcdc_driver = {
+ "clcdc",
+ versatile_clcdc_methods,
+ sizeof(struct versatile_clcdc_softc),
+};
+
+static devclass_t versatile_clcdc_devclass;
+
+DRIVER_MODULE(versatile_clcdc, simplebus, versatile_clcdc_driver, versatile_clcdc_devclass, 0, 0);
+
+/*
+ * Video driver routines and glue.
+ */
+static vi_probe_t versatilefb_probe;
+static vi_init_t versatilefb_init;
+static vi_get_info_t versatilefb_get_info;
+static vi_query_mode_t versatilefb_query_mode;
+static vi_set_mode_t versatilefb_set_mode;
+static vi_save_font_t versatilefb_save_font;
+static vi_load_font_t versatilefb_load_font;
+static vi_show_font_t versatilefb_show_font;
+static vi_save_palette_t versatilefb_save_palette;
+static vi_load_palette_t versatilefb_load_palette;
+static vi_set_border_t versatilefb_set_border;
+static vi_save_state_t versatilefb_save_state;
+static vi_load_state_t versatilefb_load_state;
+static vi_set_win_org_t versatilefb_set_win_org;
+static vi_read_hw_cursor_t versatilefb_read_hw_cursor;
+static vi_set_hw_cursor_t versatilefb_set_hw_cursor;
+static vi_set_hw_cursor_shape_t versatilefb_set_hw_cursor_shape;
+static vi_blank_display_t versatilefb_blank_display;
+static vi_mmap_t versatilefb_mmap;
+static vi_ioctl_t versatilefb_ioctl;
+static vi_clear_t versatilefb_clear;
+static vi_fill_rect_t versatilefb_fill_rect;
+static vi_bitblt_t versatilefb_bitblt;
+static vi_diag_t versatilefb_diag;
+static vi_save_cursor_palette_t versatilefb_save_cursor_palette;
+static vi_load_cursor_palette_t versatilefb_load_cursor_palette;
+static vi_copy_t versatilefb_copy;
+static vi_putp_t versatilefb_putp;
+static vi_putc_t versatilefb_putc;
+static vi_puts_t versatilefb_puts;
+static vi_putm_t versatilefb_putm;
+
+static video_switch_t versatilefbvidsw = {
+ .probe = versatilefb_probe,
+ .init = versatilefb_init,
+ .get_info = versatilefb_get_info,
+ .query_mode = versatilefb_query_mode,
+ .set_mode = versatilefb_set_mode,
+ .save_font = versatilefb_save_font,
+ .load_font = versatilefb_load_font,
+ .show_font = versatilefb_show_font,
+ .save_palette = versatilefb_save_palette,
+ .load_palette = versatilefb_load_palette,
+ .set_border = versatilefb_set_border,
+ .save_state = versatilefb_save_state,
+ .load_state = versatilefb_load_state,
+ .set_win_org = versatilefb_set_win_org,
+ .read_hw_cursor = versatilefb_read_hw_cursor,
+ .set_hw_cursor = versatilefb_set_hw_cursor,
+ .set_hw_cursor_shape = versatilefb_set_hw_cursor_shape,
+ .blank_display = versatilefb_blank_display,
+ .mmap = versatilefb_mmap,
+ .ioctl = versatilefb_ioctl,
+ .clear = versatilefb_clear,
+ .fill_rect = versatilefb_fill_rect,
+ .bitblt = versatilefb_bitblt,
+ .diag = versatilefb_diag,
+ .save_cursor_palette = versatilefb_save_cursor_palette,
+ .load_cursor_palette = versatilefb_load_cursor_palette,
+ .copy = versatilefb_copy,
+ .putp = versatilefb_putp,
+ .putc = versatilefb_putc,
+ .puts = versatilefb_puts,
+ .putm = versatilefb_putm,
+};
+
+VIDEO_DRIVER(versatilefb, versatilefbvidsw, versatilefb_configure);
+
+extern sc_rndr_sw_t txtrndrsw;
+RENDERER(versatilefb, 0, txtrndrsw, gfb_set);
+RENDERER_MODULE(versatilefb, gfb_set);
+
+static uint16_t versatilefb_static_window[ROW*COL];
+extern u_char dflt_font_16[];
+
+/*
+ * Update videoadapter settings after changing resolution
+ */
+static void
+versatilefb_update_margins(video_adapter_t *adp)
+{
+ struct video_adapter_softc *sc;
+ video_info_t *vi;
+
+ sc = (struct video_adapter_softc *)adp;
+ vi = &adp->va_info;
+
+ sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
+ sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
+}
+
+static int
+versatilefb_configure(int flags)
+{
+ struct video_adapter_softc *va_sc;
+
+ va_sc = &va_softc;
+
+ if (va_sc->initialized)
+ return (0);
+
+ va_sc->width = FB_WIDTH;
+ va_sc->height = FB_HEIGHT;
+ va_sc->depth = FB_DEPTH;
+
+ versatilefb_init(0, &va_sc->va, 0);
+
+ va_sc->initialized = 1;
+
+ return (0);
+}
+
+static int
+versatilefb_probe(int unit, video_adapter_t **adp, void *arg, int flags)
+{
+
+ return (0);
+}
+
+static int
+versatilefb_init(int unit, video_adapter_t *adp, int flags)
+{
+ struct video_adapter_softc *sc;
+ video_info_t *vi;
+
+ sc = (struct video_adapter_softc *)adp;
+ vi = &adp->va_info;
+
+ vid_init_struct(adp, "versatilefb", -1, unit);
+
+ sc->font = dflt_font_16;
+ vi->vi_cheight = VERSATILE_FONT_HEIGHT;
+ vi->vi_cwidth = 8;
+
+ vi->vi_width = sc->width/8;
+ vi->vi_height = sc->height/vi->vi_cheight;
+
+ /*
+ * Clamp width/height to syscons maximums
+ */
+ if (vi->vi_width > COL)
+ vi->vi_width = COL;
+ if (vi->vi_height > ROW)
+ vi->vi_height = ROW;
+
+ sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
+ sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
+
+
+ adp->va_window = (vm_offset_t) versatilefb_static_window;
+ adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */;
+
+ vid_register(&sc->va);
+
+ return (0);
+}
+
+static int
+versatilefb_get_info(video_adapter_t *adp, int mode, video_info_t *info)
+{
+ bcopy(&adp->va_info, info, sizeof(*info));
+ return (0);
+}
+
+static int
+versatilefb_query_mode(video_adapter_t *adp, video_info_t *info)
+{
+ return (0);
+}
+
+static int
+versatilefb_set_mode(video_adapter_t *adp, int mode)
+{
+ return (0);
+}
+
+static int
+versatilefb_save_font(video_adapter_t *adp, int page, int size, int width,
+ u_char *data, int c, int count)
+{
+ return (0);
+}
+
+static int
+versatilefb_load_font(video_adapter_t *adp, int page, int size, int width,
+ u_char *data, int c, int count)
+{
+ struct video_adapter_softc *sc = (struct video_adapter_softc *)adp;
+
+ sc->font = data;
+
+ return (0);
+}
+
+static int
+versatilefb_show_font(video_adapter_t *adp, int page)
+{
+ return (0);
+}
+
+static int
+versatilefb_save_palette(video_adapter_t *adp, u_char *palette)
+{
+ return (0);
+}
+
+static int
+versatilefb_load_palette(video_adapter_t *adp, u_char *palette)
+{
+ return (0);
+}
+
+static int
+versatilefb_set_border(video_adapter_t *adp, int border)
+{
+ return (versatilefb_blank_display(adp, border));
+}
+
+static int
+versatilefb_save_state(video_adapter_t *adp, void *p, size_t size)
+{
+ return (0);
+}
+
+static int
+versatilefb_load_state(video_adapter_t *adp, void *p)
+{
+ return (0);
+}
+
+static int
+versatilefb_set_win_org(video_adapter_t *adp, off_t offset)
+{
+ return (0);
+}
+
+static int
+versatilefb_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
+{
+ *col = *row = 0;
+
+ return (0);
+}
+
+static int
+versatilefb_set_hw_cursor(video_adapter_t *adp, int col, int row)
+{
+ return (0);
+}
+
+static int
+versatilefb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
+ int celsize, int blink)
+{
+ return (0);
+}
+
+static int
+versatilefb_blank_display(video_adapter_t *adp, int mode)
+{
+
+ struct video_adapter_softc *sc;
+
+ sc = (struct video_adapter_softc *)adp;
+ if (sc && sc->fb_addr)
+ memset((void*)sc->fb_addr, 0, sc->fb_size);
+
+ return (0);
+}
+
+static int
+versatilefb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr,
+ int prot, vm_memattr_t *memattr)
+{
+ struct video_adapter_softc *sc;
+
+ sc = (struct video_adapter_softc *)adp;
+
+ /*
+ * This might be a legacy VGA mem request: if so, just point it at the
+ * framebuffer, since it shouldn't be touched
+ */
+ if (offset < sc->stride*sc->height) {
+ *paddr = sc->fb_addr + offset;
+ return (0);
+ }
+
+ return (EINVAL);
+}
+
+static int
+versatilefb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
+{
+
+ return (0);
+}
+
+static int
+versatilefb_clear(video_adapter_t *adp)
+{
+
+ return (versatilefb_blank_display(adp, 0));
+}
+
+static int
+versatilefb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
+{
+
+ return (0);
+}
+
+static int
+versatilefb_bitblt(video_adapter_t *adp, ...)
+{
+
+ return (0);
+}
+
+static int
+versatilefb_diag(video_adapter_t *adp, int level)
+{
+
+ return (0);
+}
+
+static int
+versatilefb_save_cursor_palette(video_adapter_t *adp, u_char *palette)
+{
+
+ return (0);
+}
+
+static int
+versatilefb_load_cursor_palette(video_adapter_t *adp, u_char *palette)
+{
+
+ return (0);
+}
+
+static int
+versatilefb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
+{
+
+ return (0);
+}
+
+static int
+versatilefb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a,
+ int size, int bpp, int bit_ltor, int byte_ltor)
+{
+
+ return (0);
+}
+
+static int
+versatilefb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a)
+{
+ struct video_adapter_softc *sc;
+ int row;
+ int col;
+ int i, j, k;
+ uint8_t *addr;
+ u_char *p;
+ uint8_t fg, bg, color;
+ uint16_t rgb;
+
+ sc = (struct video_adapter_softc *)adp;
+
+ if (sc->fb_addr == 0)
+ return (0);
+
+ row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
+ col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
+ p = sc->font + c*VERSATILE_FONT_HEIGHT;
+ addr = (uint8_t *)sc->fb_addr
+ + (row + sc->ymargin)*(sc->stride)
+ + (sc->depth/8) * (col + sc->xmargin);
+
+ fg = a & 0xf ;
+ bg = (a >> 8) & 0xf;
+
+ for (i = 0; i < VERSATILE_FONT_HEIGHT; i++) {
+ for (j = 0, k = 7; j < 8; j++, k--) {
+ if ((p[i] & (1 << k)) == 0)
+ color = bg;
+ else
+ color = fg;
+
+ switch (sc->depth) {
+ case 16:
+ rgb = (versatilefb_palette[color].r >> 3) << 11;
+ rgb |= (versatilefb_palette[color].g >> 2) << 5;
+ rgb |= (versatilefb_palette[color].b >> 3);
+ addr[2*j] = rgb & 0xff;
+ addr[2*j + 1] = (rgb >> 8) & 0xff;
+ default:
+ /* Not supported yet */
+ break;
+ }
+ }
+
+ addr += (sc->stride);
+ }
+
+ return (0);
+}
+
+static int
+versatilefb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ versatilefb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8);
+
+ return (0);
+}
+
+static int
+versatilefb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
+ uint32_t pixel_mask, int size, int width)
+{
+
+ return (0);
+}
+
+/*
+ * Define a stub keyboard driver in case one hasn't been
+ * compiled into the kernel
+ */
+#include <sys/kbio.h>
+#include <dev/kbd/kbdreg.h>
+
+static int dummy_kbd_configure(int flags);
+
+keyboard_switch_t bcmdummysw;
+
+static int
+dummy_kbd_configure(int flags)
+{
+
+ return (0);
+}
+KEYBOARD_DRIVER(bcmdummy, bcmdummysw, dummy_kbd_configure);
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