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Merge from CheriBSD:

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commit 6d3c4c0922
    Add terasic_mtl vt(4) framebuffer driver

    terasic_mtl can be built with syscons(4) and vt(4) attachments, selected
    at compile time.

commit 33240259b4
    Clear terasic_mtl text buffer on attach

commit d188c2d241
    Update terasic vt(4) driver for FreeBSD r269783

commit d1cc54eee8
    Safety belt to ensure vt(4) fb parameters are correct

commit 76e6d468ef
    Improve terasic_mtl_vt fdt parsing

    - Use OF_getencprop to avoid need for explicit endian handling
      (submitted by ray@freebsd.org)
    - Check for expected length and correct pointer type

commit 3e2524b899
    Correct device_printf usage

commit 9e53e3c8e0
    Switch framebuffer to match host endianness

    Xorg and xf86-video-scfb work much better with a native-endian
    framebuffer.

commit 0f49259d59
    Switch DE4 to vt(4) and enable kbdmux

commit 5bc96ebc89
    Add missing \n in device_printf calls

Submitted by:	emaste
Sponsored by:	DARPA, AFRL
This commit is contained in:
Brooks Davis 2014-11-21 21:34:19 +00:00
parent 233024d933
commit a9332fb303
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=274823
10 changed files with 241 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
sys/boot/fdt/dts/mips/beripad-de4.dts
View File

@ -216,6 +216,7 @@
touchscreen@70400000 {
compatible = "sri-cambridge,mtl";
panel-size = < 800 480 >;
reg = <0x70400000 0x1000
0x70000000 0x177000
0x70177000 0x2000>;

31
sys/dev/terasic/mtl/terasic_mtl.c
View File

@ -31,11 +31,14 @@
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_syscons.h"
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/condvar.h>
#include <sys/conf.h>
#include <sys/consio.h> /* struct vt_mode */
#include <sys/endian.h>
#include <sys/fbio.h> /* video_adapter_t */
#include <sys/kernel.h>
#include <sys/lock.h>
@ -53,8 +56,8 @@ __FBSDID("$FreeBSD$");
/*
* Device driver for the Terasic Multitouch LCD (MTL). Three separate
* sub-drivers that support, respectively, access to device control registers,
* the pixel frame buffer, and the text frame buffer. The last of these is
* also hooked up to syscons.
* the pixel frame buffer, and the text frame buffer. The pixel frame buffer
* is hooked up to vt(4), and the text frame buffer to syscons(4).
*
* Eventually, the frame buffer control registers and touch screen input FIFO
* will end up being separate sub-drivers as well.
@ -81,16 +84,27 @@ terasic_mtl_attach(struct terasic_mtl_softc *sc)
if (error)
goto error;
/*
* XXXRW: Once we've attached syscons, we can't detach it, so do it
* last.
* XXXRW: Once we've attached syscons or vt, we can't detach it, so do
* it last.
*/
#if defined(DEV_VT)
terasic_mtl_reg_pixel_endian_set(sc, BYTE_ORDER == BIG_ENDIAN);
error = terasic_mtl_fbd_attach(sc);
if (error)
goto error;
terasic_mtl_blend_pixel_set(sc, TERASIC_MTL_ALPHA_OPAQUE);
terasic_mtl_blend_textfg_set(sc, TERASIC_MTL_ALPHA_TRANSPARENT);
terasic_mtl_blend_textbg_set(sc, TERASIC_MTL_ALPHA_TRANSPARENT);
#endif
#if defined(DEV_SC)
error = terasic_mtl_syscons_attach(sc);
if (error)
goto error;
terasic_mtl_blend_default_set(sc, TERASIC_MTL_COLOR_BLACK);
terasic_mtl_blend_pixel_set(sc, TERASIC_MTL_ALPHA_TRANSPARENT);
terasic_mtl_blend_textfg_set(sc, TERASIC_MTL_ALPHA_OPAQUE);
terasic_mtl_blend_textbg_set(sc, TERASIC_MTL_ALPHA_OPAQUE);
#endif
terasic_mtl_blend_default_set(sc, TERASIC_MTL_COLOR_BLACK);
return (0);
error:
terasic_mtl_text_detach(sc);
@ -103,8 +117,13 @@ void
terasic_mtl_detach(struct terasic_mtl_softc *sc)
{
/* XXXRW: syscons can't detach, but we try anyway, only to panic. */
/* XXXRW: syscons and vt can't detach, but try anyway, only to panic. */
#if defined(DEV_SC)
terasic_mtl_syscons_detach(sc);
#endif
#if defined(DEV_VT)
terasic_mtl_fbd_detach(sc);
#endif
/* All other aspects of the driver can detach just fine. */
terasic_mtl_text_detach(sc);

23
sys/dev/terasic/mtl/terasic_mtl.h
View File

@ -33,13 +33,17 @@
#ifndef _DEV_TERASIC_MTL_H_
#define _DEV_TERASIC_MTL_H_
#include "opt_syscons.h"
struct terasic_mtl_softc {
#if defined(DEV_SC)
/*
* syscons requires that its video_adapter_t be at the front of the
* softc, so place syscons fields first, which we otherwise would
* probably not do.
*/
video_adapter_t mtl_va;
#endif
/*
* Bus-related fields.
@ -62,7 +66,8 @@ struct terasic_mtl_softc {
int mtl_reg_rid;
/*
* Graphics frame buffer device -- mappable from userspace.
* Graphics frame buffer device -- mappable from userspace, and used
* by the vt framebuffer interface.
*/
struct cdev *mtl_pixel_cdev;
struct resource *mtl_pixel_res;
@ -76,6 +81,11 @@ struct terasic_mtl_softc {
struct resource *mtl_text_res;
int mtl_text_rid;
uint16_t *mtl_text_soft;
/*
* Framebuffer hookup for vt(4).
*/
struct fb_info mtl_fb_info;
};
#define TERASIC_MTL_LOCK(sc) mtx_lock(&(sc)->mtl_lock)
@ -106,6 +116,7 @@ struct terasic_mtl_softc {
/*
* Constants to help interpret various control registers.
*/
#define TERASIC_MTL_BLEND_PIXEL_ENDIAN_SWAP 0x10000000
#define TERASIC_MTL_BLEND_DEFAULT_MASK 0x0f000000
#define TERASIC_MTL_BLEND_DEFAULT_SHIFT 24
#define TERASIC_MTL_BLEND_PIXEL_MASK 0x00ff0000
@ -147,6 +158,12 @@ struct terasic_mtl_softc {
#define TERASIC_MTL_TEXTFRAMEBUF_CHAR_SHIFT 0
#define TERASIC_MTL_TEXTFRAMEBUF_ATTR_SHIFT 8
/*
* Framebuffer constants.
*/
#define TERASIC_MTL_FB_WIDTH 800
#define TERASIC_MTL_FB_HEIGHT 640
/*
* Alpha-blending constants.
*/
@ -164,6 +181,8 @@ extern devclass_t terasic_mtl_devclass;
/*
* Sub-driver setup routines.
*/
int terasic_mtl_fbd_attach(struct terasic_mtl_softc *sc);
void terasic_mtl_fbd_detach(struct terasic_mtl_softc *sc);
int terasic_mtl_pixel_attach(struct terasic_mtl_softc *sc);
void terasic_mtl_pixel_detach(struct terasic_mtl_softc *sc);
int terasic_mtl_reg_attach(struct terasic_mtl_softc *sc);
@ -202,6 +221,8 @@ void terasic_mtl_blend_textfg_set(struct terasic_mtl_softc *sc,
uint8_t alpha);
void terasic_mtl_blend_textbg_set(struct terasic_mtl_softc *sc,
uint8_t alpha);
void terasic_mtl_reg_pixel_endian_set(struct terasic_mtl_softc *sc,
int endian_swap);
/*
* Text frame buffer I/O routines.

24
sys/dev/terasic/mtl/terasic_mtl_fdt.c
View File

@ -55,6 +55,8 @@ __FBSDID("$FreeBSD$");
#include <dev/terasic/mtl/terasic_mtl.h>
#include "fb_if.h"
static int
terasic_mtl_fdt_probe(device_t dev)
{
@ -94,12 +96,12 @@ terasic_mtl_fdt_attach(device_t dev)
goto error;
}
if (rman_get_start(sc->mtl_reg_res) % PAGE_SIZE != 0) {
device_printf(dev, "improper register address");
device_printf(dev, "improper register address\n");
error = ENXIO;
goto error;
}
if (rman_get_size(sc->mtl_reg_res) % PAGE_SIZE != 0) {
device_printf(dev, "improper register size");
device_printf(dev, "improper register size\n");
error = ENXIO;
goto error;
}
@ -117,12 +119,12 @@ terasic_mtl_fdt_attach(device_t dev)
goto error;
}
if (rman_get_start(sc->mtl_pixel_res) % PAGE_SIZE != 0) {
device_printf(dev, "improper pixel address");
device_printf(dev, "improper pixel address\n");
error = ENXIO;
goto error;
}
if (rman_get_size(sc->mtl_pixel_res) % PAGE_SIZE != 0) {
device_printf(dev, "improper pixel size");
device_printf(dev, "improper pixel size\n");
error = ENXIO;
goto error;
}
@ -140,12 +142,12 @@ terasic_mtl_fdt_attach(device_t dev)
goto error;
}
if (rman_get_start(sc->mtl_text_res) % PAGE_SIZE != 0) {
device_printf(dev, "improper text address");
device_printf(dev, "improper text address\n");
error = ENXIO;
goto error;
}
if (rman_get_size(sc->mtl_text_res) % PAGE_SIZE != 0) {
device_printf(dev, "improper text size");
device_printf(dev, "improper text size\n");
error = ENXIO;
goto error;
}
@ -186,10 +188,20 @@ terasic_mtl_fdt_detach(device_t dev)
return (0);
}
static struct fb_info *
terasic_mtl_fb_getinfo(device_t dev)
{
struct terasic_mtl_softc *sc;
sc = device_get_softc(dev);
return (&sc->mtl_fb_info);
}
static device_method_t terasic_mtl_fdt_methods[] = {
DEVMETHOD(device_probe, terasic_mtl_fdt_probe),
DEVMETHOD(device_attach, terasic_mtl_fdt_attach),
DEVMETHOD(device_detach, terasic_mtl_fdt_detach),
DEVMETHOD(fb_getinfo, terasic_mtl_fb_getinfo),
{ 0, 0 }
};

24
sys/dev/terasic/mtl/terasic_mtl_nexus.c
View File

@ -50,6 +50,8 @@ __FBSDID("$FreeBSD$");
#include <dev/terasic/mtl/terasic_mtl.h>
#include "fb_if.h"
static int
terasic_mtl_nexus_probe(device_t dev)
{
@ -76,36 +78,36 @@ terasic_mtl_nexus_attach(device_t dev)
*/
if (resource_long_value(device_get_name(dev), device_get_unit(dev),
"reg_maddr", &reg_maddr) != 0 || (reg_maddr % PAGE_SIZE != 0)) {
device_printf(dev, "improper register address");
device_printf(dev, "improper register address\n");
return (ENXIO);
}
if (resource_long_value(device_get_name(dev), device_get_unit(dev),
"reg_msize", &reg_msize) != 0 || (reg_msize % PAGE_SIZE != 0)) {
device_printf(dev, "improper register size");
device_printf(dev, "improper register size\n");
return (ENXIO);
}
if (resource_long_value(device_get_name(dev), device_get_unit(dev),
"pixel_maddr", &pixel_maddr) != 0 ||
(pixel_maddr % PAGE_SIZE != 0)) {
device_printf(dev, "improper pixel frame buffer address");
device_printf(dev, "improper pixel frame buffer address\n");
return (ENXIO);
}
if (resource_long_value(device_get_name(dev), device_get_unit(dev),
"pixel_msize", &pixel_msize) != 0 ||
(pixel_msize % PAGE_SIZE != 0)) {
device_printf(dev, "improper pixel frame buffer size");
device_printf(dev, "improper pixel frame buffer size\n");
return (ENXIO);
}
if (resource_long_value(device_get_name(dev), device_get_unit(dev),
"text_maddr", &text_maddr) != 0 ||
(text_maddr % PAGE_SIZE != 0)) {
device_printf(dev, "improper text frame buffer address");
device_printf(dev, "improper text frame buffer address\n");
return (ENXIO);
}
if (resource_long_value(device_get_name(dev), device_get_unit(dev),
"text_msize", &text_msize) != 0 ||
(text_msize % PAGE_SIZE != 0)) {
device_printf(dev, "improper text frame buffer size");
device_printf(dev, "improper text frame buffer size\n");
return (ENXIO);
}
@ -177,10 +179,20 @@ terasic_mtl_nexus_detach(device_t dev)
return (0);
}
static struct fb_info *
terasic_mtl_fb_getinfo(device_t dev)
{
struct terasic_mtl_softc *sc;
sc = device_get_softc(dev);
return (&sc->mtl_fb_info);
}
static device_method_t terasic_mtl_nexus_methods[] = {
DEVMETHOD(device_probe, terasic_mtl_nexus_probe),
DEVMETHOD(device_attach, terasic_mtl_nexus_attach),
DEVMETHOD(device_detach, terasic_mtl_nexus_detach),
DEVMETHOD(fb_getinfo, terasic_mtl_fb_getinfo),
{ 0, 0 }
};

17
sys/dev/terasic/mtl/terasic_mtl_reg.c
View File

@ -204,6 +204,21 @@ terasic_mtl_blend_textbg_set(struct terasic_mtl_softc *sc, uint8_t alpha)
TERASIC_MTL_UNLOCK(sc);
}
void
terasic_mtl_reg_pixel_endian_set(struct terasic_mtl_softc *sc, int endian_swap)
{
uint32_t v;
TERASIC_MTL_LOCK(sc);
terasic_mtl_reg_blend_get(sc, &v);
if (endian_swap)
v |= TERASIC_MTL_BLEND_PIXEL_ENDIAN_SWAP;
else
v &= ~TERASIC_MTL_BLEND_PIXEL_ENDIAN_SWAP;
terasic_mtl_reg_blend_set(sc, v);
TERASIC_MTL_UNLOCK(sc);
}
void
terasic_mtl_reg_textcursor_get(struct terasic_mtl_softc *sc, uint8_t *colp,
uint8_t *rowp)
@ -232,7 +247,7 @@ void
terasic_mtl_reg_blank(struct terasic_mtl_softc *sc)
{
device_printf(sc->mtl_dev, "%s: not yet", __func__);
device_printf(sc->mtl_dev, "%s: not yet\n", __func__);
}
void

4
sys/dev/terasic/mtl/terasic_mtl_text.c
View File

@ -158,6 +158,7 @@ int
terasic_mtl_text_attach(struct terasic_mtl_softc *sc)
{
uint32_t v;
u_int offset;
terasic_mtl_reg_textframebufaddr_get(sc, &v);
if (v != TERASIC_MTL_TEXTFRAMEBUF_EXPECTED_ADDR) {
@ -165,6 +166,9 @@ terasic_mtl_text_attach(struct terasic_mtl_softc *sc)
"address (%08x); cannot attach\n", __func__, v);
return (ENXIO);
}
for (offset = 0; offset < rman_get_size(sc->mtl_text_res);
offset += sizeof(uint16_t))
bus_write_2(sc->mtl_text_res, offset, 0);
sc->mtl_text_cdev = make_dev(&terasic_mtl_text_cdevsw, sc->mtl_unit,
UID_ROOT, GID_WHEEL, 0400, "mtl_text%d", sc->mtl_unit);

133
sys/dev/terasic/mtl/terasic_mtl_vt.c Normal file
View File

@ -0,0 +1,133 @@
/*-
* Copyright (c) 2014 Ed Maste
* All rights reserved.
*
* This software was developed by SRI International and the University of
* Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
* ("CTSRD"), as part of the DARPA CRASH research programme.
*
* 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/bus.h>
#include <sys/fbio.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/rman.h>
#include <dev/fdt/fdt_common.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include <dev/terasic/mtl/terasic_mtl.h>
#include <dev/vt/colors/vt_termcolors.h>
/*
* Terasic Multitouch LCD (MTL) vt(4) framebuffer driver.
*/
#include <vm/vm.h>
#include <vm/pmap.h>
static int
terasic_mtl_fbd_panel_info(struct terasic_mtl_softc *sc, struct fb_info *info)
{
phandle_t node;
pcell_t dts_value[2];
int len;
if ((node = ofw_bus_get_node(sc->mtl_dev)) == -1)
return (ENXIO);
/* panel size */
if ((len = OF_getproplen(node, "panel-size")) != sizeof(dts_value))
return (ENXIO);
OF_getencprop(node, "panel-size", dts_value, len);
info->fb_width = dts_value[0];
info->fb_height = dts_value[1];
info->fb_bpp = info->fb_depth = 32;
info->fb_stride = info->fb_width * (info->fb_depth / 8);
/*
* Safety belt to ensure framebuffer params are as expected. May be
* removed when we have full confidence in fdt / hints params.
*/
if (info->fb_width != TERASIC_MTL_FB_WIDTH ||
info->fb_height != TERASIC_MTL_FB_HEIGHT ||
info->fb_stride != 3200 ||
info->fb_bpp != 32 || info->fb_depth != 32) {
device_printf(sc->mtl_dev,
"rejecting invalid panel params width=%u height=%u\n",
(unsigned)info->fb_width, (unsigned)info->fb_height);
return (EINVAL);
}
return (0);
}
int
terasic_mtl_fbd_attach(struct terasic_mtl_softc *sc)
{
struct fb_info *info;
device_t fbd;
info = &sc->mtl_fb_info;
info->fb_name = device_get_nameunit(sc->mtl_dev);
info->fb_pbase = rman_get_start(sc->mtl_pixel_res);
info->fb_size = rman_get_size(sc->mtl_pixel_res);
info->fb_vbase = (intptr_t)pmap_mapdev(info->fb_pbase, info->fb_size);
if (terasic_mtl_fbd_panel_info(sc, info) != 0) {
device_printf(sc->mtl_dev, "using default panel params\n");
info->fb_bpp = info->fb_depth = 32;
info->fb_width = 800;
info->fb_height = 480;
info->fb_stride = info->fb_width * (info->fb_depth / 8);
}
fbd = device_add_child(sc->mtl_dev, "fbd",
device_get_unit(sc->mtl_dev));
if (fbd == NULL) {
device_printf(sc->mtl_dev, "Failed to attach fbd child\n");
return (ENXIO);
}
if (device_probe_and_attach(fbd) != 0) {
device_printf(sc->mtl_dev,
"Failed to attach fbd device\n");
return (ENXIO);
}
return (0);
}
void
terasic_mtl_fbd_detach(struct terasic_mtl_softc *sc)
{
panic("%s: detach not implemented", __func__);
}
extern device_t fbd_driver;
extern devclass_t fbd_devclass;
DRIVER_MODULE(fbd, terasic_mtl, fbd_driver, fbd_devclass, 0, 0);

3
sys/mips/beri/files.beri
View File

@ -16,8 +16,9 @@ dev/terasic/mtl/terasic_mtl_fdt.c optional terasic_mtl fdt
dev/terasic/mtl/terasic_mtl_nexus.c optional terasic_mtl
dev/terasic/mtl/terasic_mtl_pixel.c optional terasic_mtl
dev/terasic/mtl/terasic_mtl_reg.c optional terasic_mtl
dev/terasic/mtl/terasic_mtl_syscons.c optional terasic_mtl
dev/terasic/mtl/terasic_mtl_syscons.c optional terasic_mtl sc
dev/terasic/mtl/terasic_mtl_text.c optional terasic_mtl
dev/terasic/mtl/terasic_mtl_vt.c optional terasic_mtl vt
mips/beri/beri_machdep.c standard
mips/beri/beri_pic.c optional fdt
mips/beri/beri_simplebus.c optional fdt

3
sys/mips/conf/BERI_DE4_BASE
View File

@ -33,7 +33,8 @@ device cfi
device cfid
options CFI_SUPPORT_STRATAFLASH
options ATSE_CFI_HACK
device sc
device vt
device kbdmux
device uart