File: [local] / sys / arch / hp300 / dev / tvrx.c (download)
Revision 1.1.1.1 (vendor branch), Tue Mar 4 16:05:42 2008 UTC (16 years, 5 months ago) by nbrk
Branch: OPENBSD_4_2_BASE, MAIN
CVS Tags: jornada-partial-support-wip, HEAD Changes since 1.1: +0 -0 lines
Import of OpenBSD 4.2 release kernel tree with initial code to support
Jornada 720/728, StrongARM 1110-based handheld PC.
At this point kernel roots on NFS and boots into vfs_mountroot() and traps.
What is supported:
- glass console, Jornada framebuffer (jfb) works in 16bpp direct color mode
(needs some palette tweaks for non black/white/blue colors, i think)
- saic, SA11x0 interrupt controller (needs cleanup)
- sacom, SA11x0 UART (supported only as boot console for now)
- SA11x0 GPIO controller fully supported (but can't handle multiple interrupt
handlers on one gpio pin)
- sassp, SSP port on SA11x0 that attaches spibus
- Jornada microcontroller (jmcu) to control kbd, battery, etc throught
the SPI bus (wskbd attaches on jmcu, but not tested)
- tod functions seem work
- initial code for SA-1111 (chip companion) : this is TODO
Next important steps, i think:
- gpio and intc on sa1111
- pcmcia support for sa11x0 (and sa1111 help logic)
- REAL root on nfs when we have PCMCIA support (we may use any of supported pccard NICs)
- root on wd0! (using already supported PCMCIA-ATA)
|
/* $OpenBSD: tvrx.c,v 1.1 2006/04/14 21:05:43 miod Exp $ */
/*
* Copyright (c) 2006, Miodrag Vallat.
* 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 ``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 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.
*
*/
/*
* Graphics routines for the TurboVRX frame buffer
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <sys/ioctl.h>
#include <machine/autoconf.h>
#include <machine/bus.h>
#include <machine/cpu.h>
#include <hp300/dev/dioreg.h>
#include <hp300/dev/diovar.h>
#include <hp300/dev/diodevs.h>
#include <dev/cons.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsdisplayvar.h>
#include <dev/rasops/rasops.h>
#include <hp300/dev/diofbreg.h>
#include <hp300/dev/diofbvar.h>
struct tvrx_softc {
struct device sc_dev;
struct diofb *sc_fb;
struct diofb sc_fb_store;
int sc_scode;
};
int tvrx_match(struct device *, void *, void *);
void tvrx_attach(struct device *, struct device *, void *);
struct cfattach tvrx_ca = {
sizeof(struct tvrx_softc), tvrx_match, tvrx_attach
};
struct cfdriver tvrx_cd = {
NULL, "tvrx", DV_DULL
};
int tvrx_reset(struct diofb *, int, struct diofbreg *);
int tvrx_ioctl(void *, u_long, caddr_t, int, struct proc *);
struct wsdisplay_accessops tvrx_accessops = {
tvrx_ioctl,
diofb_mmap,
diofb_alloc_screen,
diofb_free_screen,
diofb_show_screen,
NULL, /* load_font */
NULL, /* scrollback */
NULL, /* getchar */
NULL /* burner */
};
/*
* Attachment glue
*/
int
tvrx_match(struct device *parent, void *match, void *aux)
{
struct dio_attach_args *da = aux;
if (da->da_id != DIO_DEVICE_ID_FRAMEBUFFER ||
da->da_secid != DIO_DEVICE_SECID_TIGERSHARK)
return (0);
return (1);
}
void
tvrx_attach(struct device *parent, struct device *self, void *aux)
{
struct tvrx_softc *sc = (struct tvrx_softc *)self;
struct dio_attach_args *da = aux;
struct diofbreg *fbr;
sc->sc_scode = da->da_scode;
if (sc->sc_scode == conscode) {
fbr = (struct diofbreg *)conaddr; /* already mapped */
sc->sc_fb = &diofb_cn;
} else {
sc->sc_fb = &sc->sc_fb_store;
fbr = (struct diofbreg *)
iomap(dio_scodetopa(sc->sc_scode), da->da_size);
if (fbr == NULL ||
tvrx_reset(sc->sc_fb, sc->sc_scode, fbr) != 0) {
printf(": can't map framebuffer\n");
return;
}
}
diofb_end_attach(sc, &tvrx_accessops, sc->sc_fb,
sc->sc_scode == conscode, NULL);
}
/*
* Initialize hardware and display routines.
*/
int
tvrx_reset(struct diofb *fb, int scode, struct diofbreg *fbr)
{
int rc;
if ((rc = diofb_fbinquire(fb, scode, fbr)) != 0)
return (rc);
/*
* We rely on the PROM to initialize the frame buffer in the mode
* we expect it: cleared, overlay plane enabled and accessible
* at the beginning of the video memory.
*
* This is NOT the mode we would end up by simply resetting the
* board.
*/
fb->ri.ri_depth = 1;
fb->bmv = diofb_mono_windowmove;
diofb_fbsetup(fb);
return (0);
}
int
tvrx_ioctl(void *v, u_long cmd, caddr_t data, int flags, struct proc *p)
{
struct diofb *fb = v;
struct wsdisplay_fbinfo *wdf;
switch (cmd) {
case WSDISPLAYIO_GTYPE:
*(u_int *)data = WSDISPLAY_TYPE_TVRX;
break;
case WSDISPLAYIO_SMODE:
fb->mapmode = *(u_int *)data;
break;
case WSDISPLAYIO_GINFO:
wdf = (void *)data;
wdf->width = fb->ri.ri_width;
wdf->height = fb->ri.ri_height;
wdf->depth = fb->ri.ri_depth;
wdf->cmsize = 0;
break;
case WSDISPLAYIO_LINEBYTES:
*(u_int *)data = fb->ri.ri_stride;
break;
case WSDISPLAYIO_GETCMAP:
case WSDISPLAYIO_PUTCMAP:
break; /* until color support is implemented */
case WSDISPLAYIO_GVIDEO:
case WSDISPLAYIO_SVIDEO:
/* unsupported */
return (-1);
default:
return (-1);
}
return (0);
}
/*
* Console support
*/
void
tvrxcninit()
{
tvrx_reset(&diofb_cn, conscode, (struct diofbreg *)conaddr);
diofb_cnattach(&diofb_cn);
}