2 * Copyright (c) 2013 Oleksandr Tymoshenko <gonzo@freebsd.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 #include <sys/cdefs.h>
27 __FBSDID("$FreeBSD$");
29 #include <sys/param.h>
30 #include <sys/systm.h>
33 #include <sys/endian.h>
34 #include <sys/kernel.h>
36 #include <sys/malloc.h>
37 #include <sys/module.h>
38 #include <sys/mutex.h>
39 #include <sys/resource.h>
42 #include <sys/consio.h>
46 #include <machine/bus.h>
47 #include <machine/cpu.h>
48 #include <machine/cpufunc.h>
49 #include <machine/resource.h>
50 #include <machine/frame.h>
51 #include <machine/intr.h>
53 #include <dev/fdt/fdt_common.h>
54 #include <dev/ofw/ofw_bus.h>
55 #include <dev/ofw/ofw_bus_subr.h>
57 #include <dev/fb/fbreg.h>
58 #include <dev/syscons/syscons.h>
60 #include "am335x_lcd.h"
62 struct video_adapter_softc {
63 /* Videoadpater part */
90 static struct argb am335x_syscons_palette[16] = {
91 {0x00, 0x00, 0x00, 0x00},
92 {0x00, 0x00, 0x00, 0xaa},
93 {0x00, 0x00, 0xaa, 0x00},
94 {0x00, 0x00, 0xaa, 0xaa},
95 {0x00, 0xaa, 0x00, 0x00},
96 {0x00, 0xaa, 0x00, 0xaa},
97 {0x00, 0xaa, 0x55, 0x00},
98 {0x00, 0xaa, 0xaa, 0xaa},
99 {0x00, 0x55, 0x55, 0x55},
100 {0x00, 0x55, 0x55, 0xff},
101 {0x00, 0x55, 0xff, 0x55},
102 {0x00, 0x55, 0xff, 0xff},
103 {0x00, 0xff, 0x55, 0x55},
104 {0x00, 0xff, 0x55, 0xff},
105 {0x00, 0xff, 0xff, 0x55},
106 {0x00, 0xff, 0xff, 0xff}
109 /* mouse pointer from dev/syscons/scgfbrndr.c */
110 static u_char mouse_pointer[16] = {
111 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68,
112 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00
115 #define AM335X_FONT_HEIGHT 16
118 #define FB_HEIGHT 480
121 static struct video_adapter_softc va_softc;
123 static int am335x_syscons_configure(int flags);
126 * Video driver routines and glue.
128 static vi_probe_t am335x_syscons_probe;
129 static vi_init_t am335x_syscons_init;
130 static vi_get_info_t am335x_syscons_get_info;
131 static vi_query_mode_t am335x_syscons_query_mode;
132 static vi_set_mode_t am335x_syscons_set_mode;
133 static vi_save_font_t am335x_syscons_save_font;
134 static vi_load_font_t am335x_syscons_load_font;
135 static vi_show_font_t am335x_syscons_show_font;
136 static vi_save_palette_t am335x_syscons_save_palette;
137 static vi_load_palette_t am335x_syscons_load_palette;
138 static vi_set_border_t am335x_syscons_set_border;
139 static vi_save_state_t am335x_syscons_save_state;
140 static vi_load_state_t am335x_syscons_load_state;
141 static vi_set_win_org_t am335x_syscons_set_win_org;
142 static vi_read_hw_cursor_t am335x_syscons_read_hw_cursor;
143 static vi_set_hw_cursor_t am335x_syscons_set_hw_cursor;
144 static vi_set_hw_cursor_shape_t am335x_syscons_set_hw_cursor_shape;
145 static vi_blank_display_t am335x_syscons_blank_display;
146 static vi_mmap_t am335x_syscons_mmap;
147 static vi_ioctl_t am335x_syscons_ioctl;
148 static vi_clear_t am335x_syscons_clear;
149 static vi_fill_rect_t am335x_syscons_fill_rect;
150 static vi_bitblt_t am335x_syscons_bitblt;
151 static vi_diag_t am335x_syscons_diag;
152 static vi_save_cursor_palette_t am335x_syscons_save_cursor_palette;
153 static vi_load_cursor_palette_t am335x_syscons_load_cursor_palette;
154 static vi_copy_t am335x_syscons_copy;
155 static vi_putp_t am335x_syscons_putp;
156 static vi_putc_t am335x_syscons_putc;
157 static vi_puts_t am335x_syscons_puts;
158 static vi_putm_t am335x_syscons_putm;
160 static video_switch_t am335x_sysconsvidsw = {
161 .probe = am335x_syscons_probe,
162 .init = am335x_syscons_init,
163 .get_info = am335x_syscons_get_info,
164 .query_mode = am335x_syscons_query_mode,
165 .set_mode = am335x_syscons_set_mode,
166 .save_font = am335x_syscons_save_font,
167 .load_font = am335x_syscons_load_font,
168 .show_font = am335x_syscons_show_font,
169 .save_palette = am335x_syscons_save_palette,
170 .load_palette = am335x_syscons_load_palette,
171 .set_border = am335x_syscons_set_border,
172 .save_state = am335x_syscons_save_state,
173 .load_state = am335x_syscons_load_state,
174 .set_win_org = am335x_syscons_set_win_org,
175 .read_hw_cursor = am335x_syscons_read_hw_cursor,
176 .set_hw_cursor = am335x_syscons_set_hw_cursor,
177 .set_hw_cursor_shape = am335x_syscons_set_hw_cursor_shape,
178 .blank_display = am335x_syscons_blank_display,
179 .mmap = am335x_syscons_mmap,
180 .ioctl = am335x_syscons_ioctl,
181 .clear = am335x_syscons_clear,
182 .fill_rect = am335x_syscons_fill_rect,
183 .bitblt = am335x_syscons_bitblt,
184 .diag = am335x_syscons_diag,
185 .save_cursor_palette = am335x_syscons_save_cursor_palette,
186 .load_cursor_palette = am335x_syscons_load_cursor_palette,
187 .copy = am335x_syscons_copy,
188 .putp = am335x_syscons_putp,
189 .putc = am335x_syscons_putc,
190 .puts = am335x_syscons_puts,
191 .putm = am335x_syscons_putm,
194 VIDEO_DRIVER(am335x_syscons, am335x_sysconsvidsw, am335x_syscons_configure);
196 static vr_init_t am335x_rend_init;
197 static vr_clear_t am335x_rend_clear;
198 static vr_draw_border_t am335x_rend_draw_border;
199 static vr_draw_t am335x_rend_draw;
200 static vr_set_cursor_t am335x_rend_set_cursor;
201 static vr_draw_cursor_t am335x_rend_draw_cursor;
202 static vr_blink_cursor_t am335x_rend_blink_cursor;
203 static vr_set_mouse_t am335x_rend_set_mouse;
204 static vr_draw_mouse_t am335x_rend_draw_mouse;
207 * We use our own renderer; this is because we must emulate a hardware
210 static sc_rndr_sw_t am335x_rend = {
213 am335x_rend_draw_border,
215 am335x_rend_set_cursor,
216 am335x_rend_draw_cursor,
217 am335x_rend_blink_cursor,
218 am335x_rend_set_mouse,
219 am335x_rend_draw_mouse
222 RENDERER(am335x_syscons, 0, am335x_rend, gfb_set);
223 RENDERER_MODULE(am335x_syscons, gfb_set);
226 am335x_rend_init(scr_stat* scp)
231 am335x_rend_clear(scr_stat* scp, int c, int attr)
236 am335x_rend_draw_border(scr_stat* scp, int color)
241 am335x_rend_draw(scr_stat* scp, int from, int count, int flip)
243 video_adapter_t* adp = scp->sc->adp;
247 /* Normal printing */
248 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count);
250 /* This is for selections and such: invert the color attribute */
251 for (i = count; i-- > 0; ++from) {
252 c = sc_vtb_getc(&scp->vtb, from);
253 a = sc_vtb_geta(&scp->vtb, from) >> 8;
254 vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4));
260 am335x_rend_set_cursor(scr_stat* scp, int base, int height, int blink)
265 am335x_rend_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip)
267 video_adapter_t* adp = scp->sc->adp;
268 struct video_adapter_softc *sc;
273 sc = (struct video_adapter_softc *)adp;
275 if (scp->curs_attr.height <= 0)
278 if (sc->fb_addr == 0)
281 if (off >= adp->va_info.vi_width * adp->va_info.vi_height)
284 /* calculate the coordinates in the video buffer */
285 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
286 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
288 addr = (uint8_t *)sc->fb_addr
289 + (row + sc->ymargin)*(sc->stride)
290 + (sc->depth/8) * (col + sc->xmargin);
294 /* our cursor consists of simply inverting the char under it */
295 for (i = 0; i < adp->va_info.vi_cheight; i++) {
296 for (j = 0; j < adp->va_info.vi_cwidth; j++) {
300 addr[bytes*j + 2] ^= 0xff;
303 addr[bytes*j + 1] ^= 0xff;
304 addr[bytes*j] ^= 0xff;
316 am335x_rend_blink_cursor(scr_stat* scp, int at, int flip)
321 am335x_rend_set_mouse(scr_stat* scp)
326 am335x_rend_draw_mouse(scr_stat* scp, int x, int y, int on)
328 vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8);
331 static uint16_t am335x_syscons_static_window[ROW*COL];
332 extern u_char dflt_font_16[];
335 * Update videoadapter settings after changing resolution
338 am335x_syscons_update_margins(video_adapter_t *adp)
340 struct video_adapter_softc *sc;
343 sc = (struct video_adapter_softc *)adp;
346 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
347 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
351 am335x_syscons_find_panel_node(phandle_t start)
356 for (child = OF_child(start); child != 0; child = OF_peer(child)) {
357 if (fdt_is_compatible(child, "ti,am335x-lcd"))
359 if ((result = am335x_syscons_find_panel_node(child)))
367 am335x_syscons_configure(int flags)
369 struct video_adapter_softc *va_sc;
372 phandle_t display, root;
375 if (va_sc->initialized)
382 * It seems there is no way to let syscons framework know
383 * that framebuffer resolution has changed. So just try
384 * to fetch data from FDT and go with defaults if failed
386 root = OF_finddevice("/");
388 (display = am335x_syscons_find_panel_node(root))) {
389 if ((OF_getprop(display, "panel_width",
390 &cell, sizeof(cell))) > 0)
391 va_sc->width = (int)fdt32_to_cpu(cell);
393 if ((OF_getprop(display, "panel_height",
394 &cell, sizeof(cell))) > 0)
395 va_sc->height = (int)fdt32_to_cpu(cell);
398 if (va_sc->width == 0)
399 va_sc->width = FB_WIDTH;
400 if (va_sc->height == 0)
401 va_sc->height = FB_HEIGHT;
403 am335x_syscons_init(0, &va_sc->va, 0);
405 va_sc->initialized = 1;
411 am335x_syscons_probe(int unit, video_adapter_t **adp, void *arg, int flags)
418 am335x_syscons_init(int unit, video_adapter_t *adp, int flags)
420 struct video_adapter_softc *sc;
423 sc = (struct video_adapter_softc *)adp;
426 vid_init_struct(adp, "am335x_syscons", -1, unit);
428 sc->font = dflt_font_16;
429 vi->vi_cheight = AM335X_FONT_HEIGHT;
432 vi->vi_width = sc->width/8;
433 vi->vi_height = sc->height/vi->vi_cheight;
436 * Clamp width/height to syscons maximums
438 if (vi->vi_width > COL)
440 if (vi->vi_height > ROW)
443 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
444 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
447 adp->va_window = (vm_offset_t) am335x_syscons_static_window;
448 adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */;
450 vid_register(&sc->va);
456 am335x_syscons_get_info(video_adapter_t *adp, int mode, video_info_t *info)
458 bcopy(&adp->va_info, info, sizeof(*info));
463 am335x_syscons_query_mode(video_adapter_t *adp, video_info_t *info)
469 am335x_syscons_set_mode(video_adapter_t *adp, int mode)
475 am335x_syscons_save_font(video_adapter_t *adp, int page, int size, int width,
476 u_char *data, int c, int count)
482 am335x_syscons_load_font(video_adapter_t *adp, int page, int size, int width,
483 u_char *data, int c, int count)
485 struct video_adapter_softc *sc = (struct video_adapter_softc *)adp;
493 am335x_syscons_show_font(video_adapter_t *adp, int page)
499 am335x_syscons_save_palette(video_adapter_t *adp, u_char *palette)
505 am335x_syscons_load_palette(video_adapter_t *adp, u_char *palette)
511 am335x_syscons_set_border(video_adapter_t *adp, int border)
513 return (am335x_syscons_blank_display(adp, border));
517 am335x_syscons_save_state(video_adapter_t *adp, void *p, size_t size)
523 am335x_syscons_load_state(video_adapter_t *adp, void *p)
529 am335x_syscons_set_win_org(video_adapter_t *adp, off_t offset)
535 am335x_syscons_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
543 am335x_syscons_set_hw_cursor(video_adapter_t *adp, int col, int row)
549 am335x_syscons_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
550 int celsize, int blink)
556 am335x_syscons_blank_display(video_adapter_t *adp, int mode)
559 struct video_adapter_softc *sc;
561 sc = (struct video_adapter_softc *)adp;
562 if (sc && sc->fb_addr)
563 memset((void*)sc->fb_addr, 0, sc->fb_size);
569 am335x_syscons_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr,
570 int prot, vm_memattr_t *memattr)
572 struct video_adapter_softc *sc;
574 sc = (struct video_adapter_softc *)adp;
577 * This might be a legacy VGA mem request: if so, just point it at the
578 * framebuffer, since it shouldn't be touched
580 if (offset < sc->stride*sc->height) {
581 *paddr = sc->fb_paddr + offset;
589 am335x_syscons_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
591 struct video_adapter_softc *sc;
594 sc = (struct video_adapter_softc *)adp;
598 fb = (struct fbtype *)data;
599 fb->fb_type = FBTYPE_PCIMISC;
600 fb->fb_height = sc->height;
601 fb->fb_width = sc->width;
602 fb->fb_depth = sc->depth;
603 if (sc->depth <= 1 || sc->depth > 8)
606 fb->fb_cmsize = 1 << sc->depth;
607 fb->fb_size = sc->fb_size;
610 return (fb_commonioctl(adp, cmd, data));
617 am335x_syscons_clear(video_adapter_t *adp)
620 return (am335x_syscons_blank_display(adp, 0));
624 am335x_syscons_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
631 am335x_syscons_bitblt(video_adapter_t *adp, ...)
638 am335x_syscons_diag(video_adapter_t *adp, int level)
645 am335x_syscons_save_cursor_palette(video_adapter_t *adp, u_char *palette)
652 am335x_syscons_load_cursor_palette(video_adapter_t *adp, u_char *palette)
659 am335x_syscons_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
666 am335x_syscons_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a,
667 int size, int bpp, int bit_ltor, int byte_ltor)
674 am335x_syscons_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a)
676 struct video_adapter_softc *sc;
682 uint8_t fg, bg, color;
685 sc = (struct video_adapter_softc *)adp;
687 if (sc->fb_addr == 0)
690 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
691 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
692 p = sc->font + c*AM335X_FONT_HEIGHT;
693 addr = (uint8_t *)sc->fb_addr
694 + (row + sc->ymargin)*(sc->stride)
695 + (sc->depth/8) * (col + sc->xmargin);
700 for (i = 0; i < AM335X_FONT_HEIGHT; i++) {
701 for (j = 0, k = 7; j < 8; j++, k--) {
702 if ((p[i] & (1 << k)) == 0)
709 addr[4*j+0] = am335x_syscons_palette[color].r;
710 addr[4*j+1] = am335x_syscons_palette[color].g;
711 addr[4*j+2] = am335x_syscons_palette[color].b;
712 addr[4*j+3] = am335x_syscons_palette[color].a;
715 addr[3*j] = am335x_syscons_palette[color].r;
716 addr[3*j+1] = am335x_syscons_palette[color].g;
717 addr[3*j+2] = am335x_syscons_palette[color].b;
720 rgb = (am335x_syscons_palette[color].r >> 3) << 11;
721 rgb |= (am335x_syscons_palette[color].g >> 2) << 5;
722 rgb |= (am335x_syscons_palette[color].b >> 3);
723 addr[2*j] = rgb & 0xff;
724 addr[2*j + 1] = (rgb >> 8) & 0xff;
726 /* Not supported yet */
731 addr += (sc->stride);
738 am335x_syscons_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
742 for (i = 0; i < len; i++)
743 am335x_syscons_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8);
749 am335x_syscons_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
750 uint32_t pixel_mask, int size, int width)
756 /* Initialization function */
757 int am335x_lcd_syscons_setup(vm_offset_t vaddr, vm_paddr_t paddr,
758 struct panel_info *panel)
760 struct video_adapter_softc *va_sc = &va_softc;
762 va_sc->fb_addr = vaddr;
763 va_sc->fb_paddr = paddr;
764 va_sc->depth = panel->bpp;
765 va_sc->stride = panel->bpp*panel->panel_width/8;
767 va_sc->width = panel->panel_width;
768 va_sc->height = panel->panel_height;
769 va_sc->fb_size = va_sc->width * va_sc->height
771 am335x_syscons_update_margins(&va_sc->va);
777 * Define a stub keyboard driver in case one hasn't been
778 * compiled into the kernel
780 #include <sys/kbio.h>
781 #include <dev/kbd/kbdreg.h>
783 static int dummy_kbd_configure(int flags);
785 keyboard_switch_t am335x_dummysw;
788 dummy_kbd_configure(int flags)
793 KEYBOARD_DRIVER(am335x_dummy, am335x_dummysw, dummy_kbd_configure);