diff options
Diffstat (limited to 'sys/arm/ti/am335x/am335x_lcd_syscons.c')
-rw-r--r-- | sys/arm/ti/am335x/am335x_lcd_syscons.c | 771 |
1 files changed, 771 insertions, 0 deletions
diff --git a/sys/arm/ti/am335x/am335x_lcd_syscons.c b/sys/arm/ti/am335x/am335x_lcd_syscons.c new file mode 100644 index 000000000000..9efd872f4ee0 --- /dev/null +++ b/sys/arm/ti/am335x/am335x_lcd_syscons.c @@ -0,0 +1,771 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * Copyright (c) 2013 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/conf.h> +#include <sys/endian.h> +#include <sys/kernel.h> +#include <sys/lock.h> +#include <sys/malloc.h> +#include <sys/module.h> +#include <sys/mutex.h> +#include <sys/resource.h> +#include <sys/rman.h> +#include <sys/fbio.h> +#include <sys/consio.h> + +#include <sys/kdb.h> + +#include <machine/bus.h> +#include <machine/resource.h> +#include <machine/intr.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 "am335x_lcd.h" + +struct video_adapter_softc { + /* Videoadpater part */ + video_adapter_t va; + int console; + + intptr_t fb_addr; + intptr_t fb_paddr; + 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 am335x_syscons_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} +}; + +/* mouse pointer from dev/syscons/scgfbrndr.c */ +static u_char mouse_pointer[16] = { + 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68, + 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00 +}; + +#define AM335X_FONT_HEIGHT 16 + +#define FB_WIDTH 640 +#define FB_HEIGHT 480 +#define FB_DEPTH 24 + +static struct video_adapter_softc va_softc; + +static int am335x_syscons_configure(int flags); + +/* + * Video driver routines and glue. + */ +static vi_probe_t am335x_syscons_probe; +static vi_init_t am335x_syscons_init; +static vi_get_info_t am335x_syscons_get_info; +static vi_query_mode_t am335x_syscons_query_mode; +static vi_set_mode_t am335x_syscons_set_mode; +static vi_save_font_t am335x_syscons_save_font; +static vi_load_font_t am335x_syscons_load_font; +static vi_show_font_t am335x_syscons_show_font; +static vi_save_palette_t am335x_syscons_save_palette; +static vi_load_palette_t am335x_syscons_load_palette; +static vi_set_border_t am335x_syscons_set_border; +static vi_save_state_t am335x_syscons_save_state; +static vi_load_state_t am335x_syscons_load_state; +static vi_set_win_org_t am335x_syscons_set_win_org; +static vi_read_hw_cursor_t am335x_syscons_read_hw_cursor; +static vi_set_hw_cursor_t am335x_syscons_set_hw_cursor; +static vi_set_hw_cursor_shape_t am335x_syscons_set_hw_cursor_shape; +static vi_blank_display_t am335x_syscons_blank_display; +static vi_mmap_t am335x_syscons_mmap; +static vi_ioctl_t am335x_syscons_ioctl; +static vi_clear_t am335x_syscons_clear; +static vi_fill_rect_t am335x_syscons_fill_rect; +static vi_bitblt_t am335x_syscons_bitblt; +static vi_diag_t am335x_syscons_diag; +static vi_save_cursor_palette_t am335x_syscons_save_cursor_palette; +static vi_load_cursor_palette_t am335x_syscons_load_cursor_palette; +static vi_copy_t am335x_syscons_copy; +static vi_putp_t am335x_syscons_putp; +static vi_putc_t am335x_syscons_putc; +static vi_puts_t am335x_syscons_puts; +static vi_putm_t am335x_syscons_putm; + +static video_switch_t am335x_sysconsvidsw = { + .probe = am335x_syscons_probe, + .init = am335x_syscons_init, + .get_info = am335x_syscons_get_info, + .query_mode = am335x_syscons_query_mode, + .set_mode = am335x_syscons_set_mode, + .save_font = am335x_syscons_save_font, + .load_font = am335x_syscons_load_font, + .show_font = am335x_syscons_show_font, + .save_palette = am335x_syscons_save_palette, + .load_palette = am335x_syscons_load_palette, + .set_border = am335x_syscons_set_border, + .save_state = am335x_syscons_save_state, + .load_state = am335x_syscons_load_state, + .set_win_org = am335x_syscons_set_win_org, + .read_hw_cursor = am335x_syscons_read_hw_cursor, + .set_hw_cursor = am335x_syscons_set_hw_cursor, + .set_hw_cursor_shape = am335x_syscons_set_hw_cursor_shape, + .blank_display = am335x_syscons_blank_display, + .mmap = am335x_syscons_mmap, + .ioctl = am335x_syscons_ioctl, + .clear = am335x_syscons_clear, + .fill_rect = am335x_syscons_fill_rect, + .bitblt = am335x_syscons_bitblt, + .diag = am335x_syscons_diag, + .save_cursor_palette = am335x_syscons_save_cursor_palette, + .load_cursor_palette = am335x_syscons_load_cursor_palette, + .copy = am335x_syscons_copy, + .putp = am335x_syscons_putp, + .putc = am335x_syscons_putc, + .puts = am335x_syscons_puts, + .putm = am335x_syscons_putm, +}; + +VIDEO_DRIVER(am335x_syscons, am335x_sysconsvidsw, am335x_syscons_configure); + +static vr_init_t am335x_rend_init; +static vr_clear_t am335x_rend_clear; +static vr_draw_border_t am335x_rend_draw_border; +static vr_draw_t am335x_rend_draw; +static vr_set_cursor_t am335x_rend_set_cursor; +static vr_draw_cursor_t am335x_rend_draw_cursor; +static vr_blink_cursor_t am335x_rend_blink_cursor; +static vr_set_mouse_t am335x_rend_set_mouse; +static vr_draw_mouse_t am335x_rend_draw_mouse; + +/* + * We use our own renderer; this is because we must emulate a hardware + * cursor. + */ +static sc_rndr_sw_t am335x_rend = { + am335x_rend_init, + am335x_rend_clear, + am335x_rend_draw_border, + am335x_rend_draw, + am335x_rend_set_cursor, + am335x_rend_draw_cursor, + am335x_rend_blink_cursor, + am335x_rend_set_mouse, + am335x_rend_draw_mouse +}; + +RENDERER(am335x_syscons, 0, am335x_rend, gfb_set); +RENDERER_MODULE(am335x_syscons, gfb_set); + +static void +am335x_rend_init(scr_stat* scp) +{ +} + +static void +am335x_rend_clear(scr_stat* scp, int c, int attr) +{ +} + +static void +am335x_rend_draw_border(scr_stat* scp, int color) +{ +} + +static void +am335x_rend_draw(scr_stat* scp, int from, int count, int flip) +{ + video_adapter_t* adp = scp->sc->adp; + int i, c, a; + + if (!flip) { + /* Normal printing */ + vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count); + } else { + /* This is for selections and such: invert the color attribute */ + for (i = count; i-- > 0; ++from) { + c = sc_vtb_getc(&scp->vtb, from); + a = sc_vtb_geta(&scp->vtb, from) >> 8; + vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4)); + } + } +} + +static void +am335x_rend_set_cursor(scr_stat* scp, int base, int height, int blink) +{ +} + +static void +am335x_rend_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip) +{ + video_adapter_t* adp = scp->sc->adp; + struct video_adapter_softc *sc; + int row, col; + uint8_t *addr; + int i, j, bytes; + + sc = (struct video_adapter_softc *)adp; + + if (scp->curs_attr.height <= 0) + return; + + if (sc->fb_addr == 0) + return; + + if (off >= adp->va_info.vi_width * adp->va_info.vi_height) + return; + + /* calculate the coordinates in the video buffer */ + row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; + col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; + + addr = (uint8_t *)sc->fb_addr + + (row + sc->ymargin)*(sc->stride) + + (sc->depth/8) * (col + sc->xmargin); + + bytes = sc->depth/8; + + /* our cursor consists of simply inverting the char under it */ + for (i = 0; i < adp->va_info.vi_cheight; i++) { + for (j = 0; j < adp->va_info.vi_cwidth; j++) { + switch (sc->depth) { + case 32: + case 24: + addr[bytes*j + 2] ^= 0xff; + /* FALLTHROUGH */ + case 16: + addr[bytes*j + 1] ^= 0xff; + addr[bytes*j] ^= 0xff; + break; + default: + break; + } + } + + addr += sc->stride; + } +} + +static void +am335x_rend_blink_cursor(scr_stat* scp, int at, int flip) +{ +} + +static void +am335x_rend_set_mouse(scr_stat* scp) +{ +} + +static void +am335x_rend_draw_mouse(scr_stat* scp, int x, int y, int on) +{ + vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8); +} + +static uint16_t am335x_syscons_static_window[ROW*COL]; +extern u_char dflt_font_16[]; + +/* + * Update videoadapter settings after changing resolution + */ +static void +am335x_syscons_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 phandle_t +am335x_syscons_find_panel_node(phandle_t start) +{ + phandle_t child; + phandle_t result; + + for (child = OF_child(start); child != 0; child = OF_peer(child)) { + if (ofw_bus_node_is_compatible(child, "ti,am335x-lcd")) + return (child); + if ((result = am335x_syscons_find_panel_node(child))) + return (result); + } + + return (0); +} + +static int +am335x_syscons_configure(int flags) +{ + struct video_adapter_softc *va_sc; + + va_sc = &va_softc; + phandle_t display, root; + pcell_t cell; + + if (va_sc->initialized) + return (0); + + va_sc->width = 0; + va_sc->height = 0; + + /* + * It seems there is no way to let syscons framework know + * that framebuffer resolution has changed. So just try + * to fetch data from FDT and go with defaults if failed + */ + root = OF_finddevice("/"); + if ((root != -1) && + (display = am335x_syscons_find_panel_node(root))) { + if ((OF_getencprop(display, "panel_width", &cell, + sizeof(cell))) > 0) + va_sc->width = cell; + + if ((OF_getencprop(display, "panel_height", &cell, + sizeof(cell))) > 0) + va_sc->height = cell; + } + + if (va_sc->width == 0) + va_sc->width = FB_WIDTH; + if (va_sc->height == 0) + va_sc->height = FB_HEIGHT; + + am335x_syscons_init(0, &va_sc->va, 0); + + va_sc->initialized = 1; + + return (0); +} + +static int +am335x_syscons_probe(int unit, video_adapter_t **adp, void *arg, int flags) +{ + + return (0); +} + +static int +am335x_syscons_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, "am335x_syscons", -1, unit); + + sc->font = dflt_font_16; + vi->vi_cheight = AM335X_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) am335x_syscons_static_window; + adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */; + + vid_register(&sc->va); + + return (0); +} + +static int +am335x_syscons_get_info(video_adapter_t *adp, int mode, video_info_t *info) +{ + bcopy(&adp->va_info, info, sizeof(*info)); + return (0); +} + +static int +am335x_syscons_query_mode(video_adapter_t *adp, video_info_t *info) +{ + return (0); +} + +static int +am335x_syscons_set_mode(video_adapter_t *adp, int mode) +{ + return (0); +} + +static int +am335x_syscons_save_font(video_adapter_t *adp, int page, int size, int width, + u_char *data, int c, int count) +{ + return (0); +} + +static int +am335x_syscons_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 +am335x_syscons_show_font(video_adapter_t *adp, int page) +{ + return (0); +} + +static int +am335x_syscons_save_palette(video_adapter_t *adp, u_char *palette) +{ + return (0); +} + +static int +am335x_syscons_load_palette(video_adapter_t *adp, u_char *palette) +{ + return (0); +} + +static int +am335x_syscons_set_border(video_adapter_t *adp, int border) +{ + return (am335x_syscons_blank_display(adp, border)); +} + +static int +am335x_syscons_save_state(video_adapter_t *adp, void *p, size_t size) +{ + return (0); +} + +static int +am335x_syscons_load_state(video_adapter_t *adp, void *p) +{ + return (0); +} + +static int +am335x_syscons_set_win_org(video_adapter_t *adp, off_t offset) +{ + return (0); +} + +static int +am335x_syscons_read_hw_cursor(video_adapter_t *adp, int *col, int *row) +{ + *col = *row = 0; + + return (0); +} + +static int +am335x_syscons_set_hw_cursor(video_adapter_t *adp, int col, int row) +{ + return (0); +} + +static int +am335x_syscons_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, + int celsize, int blink) +{ + return (0); +} + +static int +am335x_syscons_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 +am335x_syscons_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_paddr + offset; + return (0); + } + + return (EINVAL); +} + +static int +am335x_syscons_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) +{ + struct video_adapter_softc *sc; + struct fbtype *fb; + + sc = (struct video_adapter_softc *)adp; + + switch (cmd) { + case FBIOGTYPE: + fb = (struct fbtype *)data; + fb->fb_type = FBTYPE_PCIMISC; + fb->fb_height = sc->height; + fb->fb_width = sc->width; + fb->fb_depth = sc->depth; + if (sc->depth <= 1 || sc->depth > 8) + fb->fb_cmsize = 0; + else + fb->fb_cmsize = 1 << sc->depth; + fb->fb_size = sc->fb_size; + break; + default: + return (fb_commonioctl(adp, cmd, data)); + } + + return (0); +} + +static int +am335x_syscons_clear(video_adapter_t *adp) +{ + + return (am335x_syscons_blank_display(adp, 0)); +} + +static int +am335x_syscons_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) +{ + + return (0); +} + +static int +am335x_syscons_bitblt(video_adapter_t *adp, ...) +{ + + return (0); +} + +static int +am335x_syscons_diag(video_adapter_t *adp, int level) +{ + + return (0); +} + +static int +am335x_syscons_save_cursor_palette(video_adapter_t *adp, u_char *palette) +{ + + return (0); +} + +static int +am335x_syscons_load_cursor_palette(video_adapter_t *adp, u_char *palette) +{ + + return (0); +} + +static int +am335x_syscons_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) +{ + + return (0); +} + +static int +am335x_syscons_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 +am335x_syscons_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*AM335X_FONT_HEIGHT; + addr = (uint8_t *)sc->fb_addr + + (row + sc->ymargin)*(sc->stride) + + (sc->depth/8) * (col + sc->xmargin); + + fg = a & 0xf ; + bg = (a >> 4) & 0xf; + + for (i = 0; i < AM335X_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 32: + addr[4*j+0] = am335x_syscons_palette[color].r; + addr[4*j+1] = am335x_syscons_palette[color].g; + addr[4*j+2] = am335x_syscons_palette[color].b; + addr[4*j+3] = am335x_syscons_palette[color].a; + break; + case 24: + addr[3*j] = am335x_syscons_palette[color].r; + addr[3*j+1] = am335x_syscons_palette[color].g; + addr[3*j+2] = am335x_syscons_palette[color].b; + break; + case 16: + rgb = (am335x_syscons_palette[color].r >> 3) << 11; + rgb |= (am335x_syscons_palette[color].g >> 2) << 5; + rgb |= (am335x_syscons_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 +am335x_syscons_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) +{ + int i; + + for (i = 0; i < len; i++) + am335x_syscons_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); + + return (0); +} + +static int +am335x_syscons_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, + uint32_t pixel_mask, int size, int width) +{ + + return (0); +} + +/* Initialization function */ +int am335x_lcd_syscons_setup(vm_offset_t vaddr, vm_paddr_t paddr, + struct panel_info *panel) +{ + struct video_adapter_softc *va_sc = &va_softc; + + va_sc->fb_addr = vaddr; + va_sc->fb_paddr = paddr; + va_sc->depth = panel->bpp; + va_sc->stride = panel->bpp*panel->panel_width/8; + + va_sc->width = panel->panel_width; + va_sc->height = panel->panel_height; + va_sc->fb_size = va_sc->width * va_sc->height + * va_sc->depth/8; + am335x_syscons_update_margins(&va_sc->va); + + return (0); +} |