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      1 /*	$NetBSD: ffbvar.h,v 1.13 2011/12/22 05:08:05 macallan Exp $	*/
      2 /*	$OpenBSD: creatorvar.h,v 1.6 2002/07/30 19:48:15 jason Exp $	*/
      3 
      4 /*
      5  * Copyright (c) 2002 Jason L. Wright (jason (at) thought.net),
      6  *  Federico G. Schwindt (fgsch (at) openbsd.org)
      7  * All rights reserved.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *	This product includes software developed by Jason L. Wright
     20  * 4. The name of the author may not be used to endorse or promote products
     21  *    derived from this software without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     25  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     26  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     31  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     32  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     33  * POSSIBILITY OF SUCH DAMAGE.
     34  */
     35 
     36 #include <dev/wscons/wsdisplay_vconsvar.h>
     37 #include <dev/videomode/videomode.h>
     38 #include <dev/videomode/edidvar.h>
     39 #include <dev/videomode/edidreg.h>
     40 
     41 #include <dev/i2c/i2cvar.h>
     42 #include <dev/i2c/i2c_bitbang.h>
     43 
     44 #define FFB_CREATOR		0
     45 #define FFB_AFB			1
     46 
     47 #define	FFB_CFFLAG_NOACCEL	0x1
     48 
     49 #define EDID_DATA_LEN		128
     50 
     51 struct ffb_softc {
     52 	device_t sc_dev;
     53 	struct fbdevice sc_fb;
     54 	bus_space_tag_t sc_bt;
     55 	bus_space_handle_t sc_dac_h;
     56 	bus_space_handle_t sc_fbc_h;
     57 	bus_space_handle_t sc_sfb32_h;
     58 	uint32_t *sc_sfb32;
     59 	bus_addr_t sc_addrs[FFB_NREGS];
     60 	bus_size_t sc_sizes[FFB_NREGS];
     61 	int sc_height, sc_width, sc_linebytes, sc_depth;
     62 	int sc_nscreens, sc_nreg;
     63 	int sc_console;
     64 	int sc_node;
     65 	int sc_type;
     66 	u_int sc_dacrev;
     67 	uint8_t sc_edid_data[EDID_DATA_LEN];
     68 	struct edid_info sc_edid_info;
     69 	u_int sc_locked;
     70 	int sc_mode;
     71 	int sc_accel, sc_needredraw;
     72 	int32_t sc_fifo_cache, sc_fg_cache, sc_bg_cache;
     73 	const char *sc_conf;
     74 
     75 	/* I2C stuff */
     76 	struct i2c_controller sc_i2c;
     77 
     78 	/* virtual console stuff */
     79 	struct vcons_data vd;
     80 };
     81 
     82 #define	DAC_WRITE(sc,r,v) \
     83     bus_space_write_4((sc)->sc_bt, (sc)->sc_dac_h, (r), (v))
     84 #define	DAC_READ(sc,r) \
     85     bus_space_read_4((sc)->sc_bt, (sc)->sc_dac_h, (r))
     86 #define	FBC_WRITE(sc,r,v) \
     87     bus_space_write_4((sc)->sc_bt, (sc)->sc_fbc_h, (r), (v))
     88 #define	FBC_READ(sc,r) \
     89     bus_space_read_4((sc)->sc_bt, (sc)->sc_fbc_h, (r))
     90 
     91 void	ffb_attach(device_t);
     92