Module Name: src
Committed By: hkenken
Date: Tue May 6 11:22:53 UTC 2014
Modified Files:
src/sys/arch/arm/imx: files.imx51 imx51_ipuv3.c imx51_ipuv3var.h
src/sys/arch/evbarm/conf: NETWALKER files.netwalker
src/sys/arch/evbarm/netwalker: netwalker_lcd.c netwalker_machdep.c
netwalker_start.S
Added Files:
src/sys/arch/arm/imx: imx51_pwm.c imxpwm.c imxpwmreg.h imxpwmvar.h
src/sys/arch/evbarm/netwalker: netwalker_backlight.c
netwalker_backlightvar.h
Log Message:
Add support for LCD Backlight control on NetWalker.
+ use imxpwm driver (PWM control driver for i.MX)
To generate a diff of this commit:
cvs rdiff -u -r1.8 -r1.9 src/sys/arch/arm/imx/files.imx51
cvs rdiff -u -r1.1 -r1.2 src/sys/arch/arm/imx/imx51_ipuv3.c \
src/sys/arch/arm/imx/imx51_ipuv3var.h
cvs rdiff -u -r0 -r1.1 src/sys/arch/arm/imx/imx51_pwm.c \
src/sys/arch/arm/imx/imxpwm.c src/sys/arch/arm/imx/imxpwmreg.h \
src/sys/arch/arm/imx/imxpwmvar.h
cvs rdiff -u -r1.26 -r1.27 src/sys/arch/evbarm/conf/NETWALKER
cvs rdiff -u -r1.6 -r1.7 src/sys/arch/evbarm/conf/files.netwalker
cvs rdiff -u -r0 -r1.1 src/sys/arch/evbarm/netwalker/netwalker_backlight.c \
src/sys/arch/evbarm/netwalker/netwalker_backlightvar.h
cvs rdiff -u -r1.2 -r1.3 src/sys/arch/evbarm/netwalker/netwalker_lcd.c
cvs rdiff -u -r1.15 -r1.16 src/sys/arch/evbarm/netwalker/netwalker_machdep.c
cvs rdiff -u -r1.4 -r1.5 src/sys/arch/evbarm/netwalker/netwalker_start.S
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/arm/imx/files.imx51
diff -u src/sys/arch/arm/imx/files.imx51:1.8 src/sys/arch/arm/imx/files.imx51:1.9
--- src/sys/arch/arm/imx/files.imx51:1.8 Sat Mar 22 09:28:08 2014
+++ src/sys/arch/arm/imx/files.imx51 Tue May 6 11:22:53 2014
@@ -1,4 +1,4 @@
-# $NetBSD: files.imx51,v 1.8 2014/03/22 09:28:08 hkenken Exp $
+# $NetBSD: files.imx51,v 1.9 2014/05/06 11:22:53 hkenken Exp $
#
# Configuration info for the Freescale i.MX51
#
@@ -123,3 +123,8 @@ defparam opt_imxspi.h IMXSPI_DEBUG
# iis sound Controller (SSI module)
# device imxi2s {} : bus_dma_generic
# file arch/arm/imx/imx51_i2s.c imxi2s needs-flag
+
+# PWM controlloer
+device imxpwm
+file arch/arm/imx/imxpwm.c imxpwm
+file arch/arm/imx/imx51_pwm.c imxpwm
Index: src/sys/arch/arm/imx/imx51_ipuv3.c
diff -u src/sys/arch/arm/imx/imx51_ipuv3.c:1.1 src/sys/arch/arm/imx/imx51_ipuv3.c:1.2
--- src/sys/arch/arm/imx/imx51_ipuv3.c:1.1 Tue Apr 17 10:19:57 2012
+++ src/sys/arch/arm/imx/imx51_ipuv3.c Tue May 6 11:22:53 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: imx51_ipuv3.c,v 1.1 2012/04/17 10:19:57 bsh Exp $ */
+/* $NetBSD: imx51_ipuv3.c,v 1.2 2014/05/06 11:22:53 hkenken Exp $ */
/*
* Copyright (c) 2011, 2012 Genetec Corporation. All rights reserved.
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: imx51_ipuv3.c,v 1.1 2012/04/17 10:19:57 bsh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: imx51_ipuv3.c,v 1.2 2014/05/06 11:22:53 hkenken Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -35,6 +35,7 @@ __KERNEL_RCSID(0, "$NetBSD: imx51_ipuv3.
#include <sys/uio.h>
#include <sys/malloc.h>
#include <sys/kernel.h> /* for cold */
+#include <sys/pmf.h>
#include <uvm/uvm_extern.h>
@@ -66,7 +67,10 @@ __KERNEL_RCSID(0, "$NetBSD: imx51_ipuv3.
* before devices get attached.
*/
struct {
- int is_console;
+ int is_console;
+ struct imx51_wsscreen_descr *descr;
+ struct wsdisplay_accessops *accessops;
+ const struct lcd_panel_geometry *geom;
} imx51_ipuv3_console;
#define IPUV3_READ(ipuv3, module, reg) \
@@ -92,45 +96,8 @@ static void imx51_ipuv3_setup_rasops(str
#endif
static void imx51_ipuv3_set_idma_param(uint32_t *, uint32_t, uint32_t);
-#if NWSDISPLAY > 0
-/*
- * wsdisplay glue
- */
-static struct imx51_wsscreen_descr imx51_ipuv3_stdscreen = {
- .c = {
- .name = "std",
- .ncols = 0,
- .nrows = 0,
- .textops = NULL,
- .fontwidth = 8,
- .fontheight = 16,
- .capabilities = WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
- .modecookie = NULL
- },
- .depth = 16, /* bits per pixel */
- .flags = RI_CENTER | RI_FULLCLEAR
-};
-
-static const struct wsscreen_descr *imx51_ipuv3_scr_descr[] = {
- &imx51_ipuv3_stdscreen.c,
-};
-
-const struct wsscreen_list imx51_ipuv3_screen_list = {
- sizeof imx51_ipuv3_scr_descr / sizeof imx51_ipuv3_scr_descr[0],
- imx51_ipuv3_scr_descr
-};
-
-struct wsdisplay_accessops imx51_ipuv3_accessops = {
- .ioctl = imx51_ipuv3_ioctl,
- .mmap = imx51_ipuv3_mmap,
- .alloc_screen = NULL,
- .free_screen = NULL,
- .show_screen = NULL,
- .load_font = NULL,
- .pollc = NULL,
- .scroll = NULL
-};
-#endif
+static bool imx51_ipuv3_resume(device_t, const pmf_qual_t *);
+static bool imx51_ipuv3_suspend(device_t, const pmf_qual_t *);
#ifdef IPUV3_DEBUG
static void
@@ -621,7 +588,7 @@ imx51_ipuv3_init_screen(void *cookie, st
struct imx51_ipuv3_softc *sc = cookie;
struct rasops_info *ri = &scr->scr_ri;
- struct imx51_wsscreen_descr *descr = &imx51_ipuv3_stdscreen;
+ struct imx51_wsscreen_descr *descr = imx51_ipuv3_console.descr;
if ((scr == &sc->console) && (sc->vd.active != NULL))
return;
@@ -726,7 +693,7 @@ imx51_ipuv3_attach_sub(struct imx51_ipuv
imx51_ipuv3_initialize(sc, geom);
#if NWSDISPLAY > 0
- struct imx51_wsscreen_descr *descr = &imx51_ipuv3_stdscreen;
+ struct imx51_wsscreen_descr *descr = imx51_ipuv3_console.descr;
struct imx51_ipuv3_screen *scr;
sc->mode = WSDISPLAYIO_MODE_EMUL;
@@ -738,8 +705,8 @@ imx51_ipuv3_attach_sub(struct imx51_ipuv
}
sc->active = scr;
- vcons_init(&sc->vd, sc, &imx51_ipuv3_stdscreen.c,
- &imx51_ipuv3_accessops);
+ vcons_init(&sc->vd, sc, &descr->c,
+ imx51_ipuv3_console.accessops);
sc->vd.init_screen = imx51_ipuv3_init_screen;
#ifdef IPUV3_DEBUG
@@ -750,39 +717,30 @@ imx51_ipuv3_attach_sub(struct imx51_ipuv
long defattr;
ri = &sc->console.scr_ri;
- if (imx51_ipuv3_console.is_console) {
- vcons_init_screen(&sc->vd, &sc->console, 1,
- &defattr);
- sc->console.scr_flags |= VCONS_SCREEN_IS_STATIC;
-
- imx51_ipuv3_stdscreen.c.nrows = ri->ri_rows;
- imx51_ipuv3_stdscreen.c.ncols = ri->ri_cols;
- imx51_ipuv3_stdscreen.c.textops = &ri->ri_ops;
- imx51_ipuv3_stdscreen.c.capabilities = ri->ri_caps;
+ vcons_init_screen(&sc->vd, &sc->console, 1,
+ &defattr);
+ sc->console.scr_flags |= VCONS_SCREEN_IS_STATIC;
+
+ descr->c.nrows = ri->ri_rows;
+ descr->c.ncols = ri->ri_cols;
+ descr->c.textops = &ri->ri_ops;
+ descr->c.capabilities = ri->ri_caps;
+ if (imx51_ipuv3_console.is_console) {
wsdisplay_cnattach(&descr->c, ri, 0, 0, defattr);
- vcons_replay_msgbuf(&sc->console);
-
- imx51_ipuv3_start_dma(sc, scr);
-
aprint_normal_dev(sc->dev, "console\n");
- } else {
- /*
- * since we're not the console we can postpone the rest
- * until someone actually allocates a screen for us
- */
- (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr);
}
- struct wsemuldisplaydev_attach_args aa;
- aa.console = imx51_ipuv3_console.is_console;
- aa.scrdata = &imx51_ipuv3_screen_list;
- aa.accessops = &imx51_ipuv3_accessops;
- aa.accesscookie = &sc->vd;
+ vcons_replay_msgbuf(&sc->console);
- config_found(sc->dev, &aa, wsemuldisplaydevprint);
+ imx51_ipuv3_start_dma(sc, scr);
#endif
+ if (!pmf_device_register(sc->dev, imx51_ipuv3_suspend,
+ imx51_ipuv3_resume)) {
+ aprint_error_dev(sc->dev, "can't establish power hook\n");
+ }
+
return;
fail_retarn_dctmpl:
@@ -806,10 +764,15 @@ fail_retarn_cm:
}
int
-imx51_ipuv3_cnattach(const struct lcd_panel_geometry *geom)
+imx51_ipuv3_cnattach(bool isconsole, struct imx51_wsscreen_descr *descr,
+ struct wsdisplay_accessops *accessops,
+ const struct lcd_panel_geometry *geom)
{
DPRINTFN(5, ("%s : %d\n", __func__, __LINE__));
- imx51_ipuv3_console.is_console = 1;
+ imx51_ipuv3_console.descr = descr;
+ imx51_ipuv3_console.geom = geom;
+ imx51_ipuv3_console.accessops = accessops;
+ imx51_ipuv3_console.is_console = isconsole;
return 0;
}
@@ -1161,58 +1124,127 @@ imx51_ipuv3_setup_rasops(struct imx51_ip
/*
* Power management
*/
-void
-imx51_ipuv3_suspend(struct imx51_ipuv3_softc *sc)
+static bool
+imx51_ipuv3_suspend(device_t dv, const pmf_qual_t *qual)
{
+ struct imx51_ipuv3_softc *sc = device_private(dv);
DPRINTFN(5, ("%s : %d\n", __func__, __LINE__));
-
- if (sc->active) {
+ if (sc->active)
imx51_ipuv3_stop_dma(sc);
- }
+ return true;
}
-void
-imx51_ipuv3_resume(struct imx51_ipuv3_softc *sc)
+static bool
+imx51_ipuv3_resume(device_t dv, const pmf_qual_t *qual)
{
+ struct imx51_ipuv3_softc *sc = device_private(dv);
DPRINTFN(5, ("%s : %d\n", __func__, __LINE__));
-
if (sc->active) {
imx51_ipuv3_initialize(sc, sc->geometry);
imx51_ipuv3_start_dma(sc, sc->active);
}
+ return true;
+}
+
+#if NWSDISPLAY > 0
+int
+imx51_ipuv3_show_screen(void *v, void *cookie, int waitok,
+ void (*cb)(void *, int, int), void *cbarg)
+{
+ struct vcons_data *vd = v;
+ struct imx51_ipuv3_softc *sc = vd->cookie;
+ struct imx51_ipuv3_screen *scr = cookie, *old;
+ DPRINTFN(5, ("%s : %d\n", __func__, __LINE__));
+
+ old = sc->active;
+ if (old == scr)
+ return 0;
+ if (old)
+ imx51_ipuv3_stop_dma(sc);
+ imx51_ipuv3_start_dma(sc, scr);
+ sc->active = scr;
+ return 0;
+}
+
+int
+imx51_ipuv3_alloc_screen(void *v, const struct wsscreen_descr *_type,
+ void **cookiep, int *curxp, int *curyp, long *attrp)
+{
+ struct vcons_data *vd = v;
+ struct imx51_ipuv3_softc *sc = vd->cookie;
+ struct imx51_ipuv3_screen *scr;
+ const struct imx51_wsscreen_descr *type =
+ (const struct imx51_wsscreen_descr *)_type;
+ int error;
+ DPRINTFN(5, ("%s : %d\n", __func__, __LINE__));
+
+ error = imx51_ipuv3_new_screen(sc, type->depth, &scr);
+ if (error)
+ return error;
+
+ /*
+ * initialize raster operation for this screen.
+ */
+ scr->rinfo.ri_flg = 0;
+ scr->rinfo.ri_depth = type->depth;
+ scr->rinfo.ri_bits = scr->buf_va;
+ scr->rinfo.ri_width = sc->geometry->panel_width;
+ scr->rinfo.ri_height = sc->geometry->panel_height;
+ scr->rinfo.ri_stride = scr->rinfo.ri_width * scr->rinfo.ri_depth / 8;
+#ifdef CPU_XSCALE_PXA270
+ if (scr->rinfo.ri_depth > 16)
+ scr->rinfo.ri_stride = scr->rinfo.ri_width * 4;
+#endif
+ scr->rinfo.ri_wsfcookie = -1; /* XXX */
+
+ rasops_init(&scr->rinfo, type->c.nrows, type->c.ncols);
+
+ (*scr->rinfo.ri_ops.allocattr)(&scr->rinfo, 0, 0, 0, attrp);
+
+ *cookiep = scr;
+ *curxp = 0;
+ *curyp = 0;
+
+ return 0;
}
void
-imx51_ipuv3_power(int why, void *v)
+imx51_ipuv3_free_screen(void *v, void *cookie)
{
+ struct vcons_data *vd = v;
+ struct imx51_ipuv3_softc *sc = vd->cookie;
+ struct imx51_ipuv3_screen *scr = cookie;
DPRINTFN(5, ("%s : %d\n", __func__, __LINE__));
- struct imx51_ipuv3_softc *sc = v;
+ LIST_REMOVE(scr, link);
+ sc->n_screens--;
+ if (scr == sc->active) {
+ /* at first, we need to stop LCD DMA */
+ sc->active = NULL;
- switch (why) {
- case PWR_SUSPEND:
- case PWR_STANDBY:
- imx51_ipuv3_suspend(sc);
- break;
+ printf("lcd_free on active screen\n");
- case PWR_RESUME:
- imx51_ipuv3_resume(sc);
- break;
+ imx51_ipuv3_stop_dma(sc);
}
+
+ if (scr->buf_va)
+ bus_dmamem_unmap(sc->dma_tag, scr->buf_va, scr->map_size);
+ if (scr->nsegs > 0)
+ bus_dmamem_free(sc->dma_tag, scr->segs, scr->nsegs);
+ free(scr, M_DEVBUF);
}
-#if NWSDISPLAY > 0
int
imx51_ipuv3_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
struct lwp *l)
{
- DPRINTFN(5, ("%s : %d\n", __func__, __LINE__));
-
struct vcons_data *vd = v;
struct imx51_ipuv3_softc *sc = vd->cookie;
struct wsdisplay_fbinfo *wsdisp_info;
struct vcons_screen *ms = vd->active;
+ DPRINTFN(5, ("%s : cmd 0x%X (%d)\n", __func__, (u_int)cmd, (int)IOCGROUP(cmd)));
+
switch (cmd) {
case WSDISPLAYIO_GTYPE:
*(int *)data = WSDISPLAY_TYPE_IMXIPU;
Index: src/sys/arch/arm/imx/imx51_ipuv3var.h
diff -u src/sys/arch/arm/imx/imx51_ipuv3var.h:1.1 src/sys/arch/arm/imx/imx51_ipuv3var.h:1.2
--- src/sys/arch/arm/imx/imx51_ipuv3var.h:1.1 Tue Apr 17 10:19:57 2012
+++ src/sys/arch/arm/imx/imx51_ipuv3var.h Tue May 6 11:22:53 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: imx51_ipuv3var.h,v 1.1 2012/04/17 10:19:57 bsh Exp $ */
+/* $NetBSD: imx51_ipuv3var.h,v 1.2 2014/05/06 11:22:53 hkenken Exp $ */
/*
* Copyright (c) 2009, 2011, 2012 Genetec Corporation. All rights reserved.
@@ -51,6 +51,9 @@ struct imx51_ipuv3_screen {
/* DMA frame descriptor */
struct ipuv3_dma_descriptor *dma_desc;
paddr_t dma_desc_pa;
+
+ /* rasterop */
+ struct rasops_info rinfo;
};
struct lcd_panel_geometry {
@@ -116,7 +119,9 @@ struct imx51_ipuv3_softc;
void imx51_ipuv3_attach_sub(struct imx51_ipuv3_softc *,
struct axi_attach_args *, const struct lcd_panel_geometry *);
-int imx51_ipuv3_cnattach(const struct lcd_panel_geometry *);
+int imx51_ipuv3_cnattach(bool, struct imx51_wsscreen_descr *,
+ struct wsdisplay_accessops *,
+ const struct lcd_panel_geometry *);
void imx51_ipuv3_start_dma(struct imx51_ipuv3_softc *,
struct imx51_ipuv3_screen *);
@@ -125,12 +130,13 @@ void imx51_ipuv3_geometry(struct imx51_i
int imx51_ipuv3_new_screen(struct imx51_ipuv3_softc *, int,
struct imx51_ipuv3_screen **);
+int imx51_ipuv3_alloc_screen(void *, const struct wsscreen_descr *,
+ void **, int *, int *, long *);
+void imx51_ipuv3_free_screen(void *, void *);
int imx51_ipuv3_ioctl(void *, void *, u_long, void *, int, struct lwp *);
paddr_t imx51_ipuv3_mmap(void *, void *, off_t, int);
-
-void imx51_ipuv3_power(int, void *);
-void imx51_ipuv3_suspend(struct imx51_ipuv3_softc *);
-void imx51_ipuv3_resume(struct imx51_ipuv3_softc *);
+int imx51_ipuv3_show_screen(void *, void *, int, void (*)(void *, int, int),
+ void *);
extern const struct wsdisplay_emulops imx51_ipuv3_emulops;
Index: src/sys/arch/evbarm/conf/NETWALKER
diff -u src/sys/arch/evbarm/conf/NETWALKER:1.26 src/sys/arch/evbarm/conf/NETWALKER:1.27
--- src/sys/arch/evbarm/conf/NETWALKER:1.26 Tue May 6 11:08:51 2014
+++ src/sys/arch/evbarm/conf/NETWALKER Tue May 6 11:22:53 2014
@@ -1,4 +1,4 @@
-# $NetBSD: NETWALKER,v 1.26 2014/05/06 11:08:51 hkenken Exp $
+# $NetBSD: NETWALKER,v 1.27 2014/05/06 11:22:53 hkenken Exp $
#
# NETWALKER -- http://www.sharp.co.jp/netwalker/
#
@@ -236,6 +236,7 @@ wsmouse* at mousebtn? mux 0
pwrbtn0 at gpio1 offset 21 mask 0x01 # intr 181
lidsw0 at gpio3 offset 12 mask 0x01 # intr 236
+imxpwm0 at axi? addr 0x73FB4000 irq 61
# SPI NOR-Flash
#spiflash0 at spiflashbus?
Index: src/sys/arch/evbarm/conf/files.netwalker
diff -u src/sys/arch/evbarm/conf/files.netwalker:1.6 src/sys/arch/evbarm/conf/files.netwalker:1.7
--- src/sys/arch/evbarm/conf/files.netwalker:1.6 Tue May 6 11:08:51 2014
+++ src/sys/arch/evbarm/conf/files.netwalker Tue May 6 11:22:53 2014
@@ -1,4 +1,4 @@
-# $NetBSD: files.netwalker,v 1.6 2014/05/06 11:08:51 hkenken Exp $
+# $NetBSD: files.netwalker,v 1.7 2014/05/06 11:22:53 hkenken Exp $
#
# Sharp Netwalker configuration info
#
@@ -44,6 +44,10 @@ device lidsw: sysmon_envsys
attach lidsw at gpio with netwalker_lid
file arch/evbarm/netwalker/netwalker_lid.c netwalker_lid
+# LCD BackLight
+attach imxpwm at axi with netwalker_backlight
+file arch/evbarm/netwalker/netwalker_backlight.c netwalker_backlight
+
# OJ6SH-T25 Optical Joystick
device oj6sh: wsmousedev
attach oj6sh at spi
Index: src/sys/arch/evbarm/netwalker/netwalker_lcd.c
diff -u src/sys/arch/evbarm/netwalker/netwalker_lcd.c:1.2 src/sys/arch/evbarm/netwalker/netwalker_lcd.c:1.3
--- src/sys/arch/evbarm/netwalker/netwalker_lcd.c:1.2 Sun Mar 16 05:20:24 2014
+++ src/sys/arch/evbarm/netwalker/netwalker_lcd.c Tue May 6 11:22:53 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: netwalker_lcd.c,v 1.2 2014/03/16 05:20:24 dholland Exp $ */
+/* $NetBSD: netwalker_lcd.c,v 1.3 2014/05/06 11:22:53 hkenken Exp $ */
/*-
* Copyright (c) 2011, 2012 Genetec corp. All rights reserved.
@@ -25,12 +25,24 @@
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: netwalker_lcd.c,v 1.3 2014/05/06 11:22:53 hkenken Exp $");
+
+#include "opt_imx51_ipuv3.h"
+#include "opt_netwalker_lcd.h"
+
+#include "wsdisplay.h"
+#include "ioconf.h"
+#include "netwalker_backlight.h"
+
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/uio.h>
#include <sys/malloc.h>
#include <sys/device.h>
+#include <sys/pmf.h>
#include <dev/cons.h>
#include <dev/wscons/wsconsio.h>
@@ -42,14 +54,9 @@
#include <arm/imx/imx51reg.h>
#include <arm/imx/imx51_ipuv3var.h>
#include <arm/imx/imx51_ipuv3reg.h>
-#include <arm/imx/imx51_iomuxreg.h>
#include <arm/imx/imxgpiovar.h>
-#include "opt_imx51_ipuv3.h"
-#include "opt_netwalker_lcd.h"
-
-#include "wsdisplay.h"
-#include "ioconf.h"
+#include <evbarm/netwalker/netwalker_backlightvar.h>
int lcd_match(device_t, cfdata_t, void *);
void lcd_attach(device_t, device_t, void *);
@@ -57,6 +64,50 @@ void lcd_attach(device_t, device_t, void
void netwalker_cnattach(void);
#if NWSDISPLAY > 0
+static int netwalker_lcd_ioctl(void *, void *, u_long, void *, int,
+ struct lwp *);
+static int netwalker_lcd_show_screen(void *, void *, int,
+ void (*)(void *, int, int), void *);
+
+bool netwalker_lcd_console = 0;
+
+/*
+ * wsdisplay glue
+ */
+static struct imx51_wsscreen_descr netwalker_lcd_stdscreen = {
+ .c = {
+ .name = "std",
+ .ncols = 0,
+ .nrows = 0,
+ .textops = NULL,
+ .fontwidth = 8,
+ .fontheight = 16,
+ .capabilities = WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
+ .modecookie = NULL
+ },
+ .depth = 16, /* bits per pixel */
+ .flags = RI_CENTER | RI_FULLCLEAR
+};
+
+static const struct wsscreen_descr *netwalker_lcd_scr_descr[] = {
+ &netwalker_lcd_stdscreen.c,
+};
+
+const struct wsscreen_list netwalker_lcd_screen_list = {
+ sizeof netwalker_lcd_scr_descr / sizeof netwalker_lcd_scr_descr[0],
+ netwalker_lcd_scr_descr
+};
+
+struct wsdisplay_accessops netwalker_lcd_accessops = {
+ .ioctl = netwalker_lcd_ioctl,
+ .mmap = imx51_ipuv3_mmap,
+ .alloc_screen = imx51_ipuv3_alloc_screen,
+ .free_screen = imx51_ipuv3_free_screen,
+ .show_screen = netwalker_lcd_show_screen,
+ .load_font = NULL,
+ .pollc = NULL,
+ .scroll = NULL
+};
#else
#ifdef LCD_DEBUG
static void draw_test_pattern(struct imx51_ipuv3_softc *,
@@ -116,8 +167,6 @@ static const struct lcd_panel_geometry s
.panel_info = 0,
};
-#define PANEL sharp_panel
-
void lcd_attach( device_t parent, device_t self, void *aux )
{
struct imx51_ipuv3_softc *sc = device_private(self);
@@ -126,13 +175,11 @@ void lcd_attach( device_t parent, device
sc->dev = self;
-#if (NWSDISPLAY > 0) && defined(IMXIPUCONSOLE)
- netwalker_cnattach();
+#if defined(IMXIPUCONSOLE)
+ netwalker_lcd_console = 1;
#endif
-
-#if 0
- /* IOMUX registers are already set correctly for LCD display */
- iomux_mux_config(iomux_ipuv3_config);
+#if (NWSDISPLAY > 0)
+ netwalker_cnattach();
#endif
/* XXX move this to imx51_ipuv3.c */
@@ -163,29 +210,36 @@ void lcd_attach( device_t parent, device
delay(180 * 1000);
gpio_data_write(GPIO_NO(4, 10), 1);
- /* pwm pin (100%) */
- gpio_set_direction(GPIO_NO(1, 2), GPIO_DIR_OUT);
- gpio_data_write(GPIO_NO(1, 2), 1);
-
gpio_set_direction(GPIO_NO(2, 13), GPIO_DIR_OUT);
gpio_data_write(GPIO_NO(2, 13), 1);
- imx51_ipuv3_attach_sub(sc, aux, &PANEL);
+ imx51_ipuv3_attach_sub(sc, aux, &sharp_panel);
#if NWSDISPLAY == 0
- {
- struct imx51_ipuv3_screen *screen;
- int error;
+ struct imx51_ipuv3_screen *screen;
+ int error;
- error = imx51_ipuv3_new_screen(sc, 16, &screen);
+ error = imx51_ipuv3_new_screen(sc, 16, &screen);
#ifdef LCD_DEBUG
- draw_test_pattern(sc, screen);
+ draw_test_pattern(sc, screen);
#endif
- if (error == 0) {
- sc->active = screen;
- imx51_ipuv3_start_dma(sc, screen);
- }
+ if (error == 0) {
+ sc->active = screen;
+ imx51_ipuv3_start_dma(sc, screen);
}
+#else
+ struct wsemuldisplaydev_attach_args aa;
+
+#if defined(IMXIPUCONSOLE)
+ aa.console = true;
+#else
+ aa.console = false;
+#endif
+ aa.scrdata = &netwalker_lcd_screen_list;
+ aa.accessops = &netwalker_lcd_accessops;
+ aa.accesscookie = &sc->vd;
+
+ (void) config_found(sc->dev, &aa, wsemuldisplaydevprint);
#endif
}
@@ -193,9 +247,45 @@ void lcd_attach( device_t parent, device
void
netwalker_cnattach(void)
{
- imx51_ipuv3_cnattach(&PANEL);
+ imx51_ipuv3_cnattach(netwalker_lcd_console, &netwalker_lcd_stdscreen,
+ &netwalker_lcd_accessops, &sharp_panel);
return;
}
+
+/*
+ * wsdisplay accessops overrides
+ */
+static int
+netwalker_lcd_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l)
+{
+ int res = EINVAL;
+
+ switch (cmd) {
+#if NNETWALKER_BACKLIGHT > 0
+ case WSDISPLAYIO_GETPARAM:
+ case WSDISPLAYIO_SETPARAM:
+ res = netwalker_lcd_param_ioctl(cmd, (struct wsdisplay_param *)data);
+ break;
+#endif
+ }
+
+ if (res == EINVAL)
+ res = imx51_ipuv3_ioctl(v, vs, cmd, data, flag, l);
+ return res;
+}
+
+static int
+netwalker_lcd_show_screen(void *v, void *cookie, int waitok,
+ void (*cb_func)(void *, int, int), void *cb_arg)
+{
+ int error;
+
+ error = imx51_ipuv3_show_screen(v, cookie, waitok, cb_func, cb_arg);
+ if (error)
+ return (error);
+
+ return 0;
+}
#else
int
Index: src/sys/arch/evbarm/netwalker/netwalker_machdep.c
diff -u src/sys/arch/evbarm/netwalker/netwalker_machdep.c:1.15 src/sys/arch/evbarm/netwalker/netwalker_machdep.c:1.16
--- src/sys/arch/evbarm/netwalker/netwalker_machdep.c:1.15 Wed Apr 9 04:00:50 2014
+++ src/sys/arch/evbarm/netwalker/netwalker_machdep.c Tue May 6 11:22:53 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: netwalker_machdep.c,v 1.15 2014/04/09 04:00:50 hkenken Exp $ */
+/* $NetBSD: netwalker_machdep.c,v 1.16 2014/05/06 11:22:53 hkenken Exp $ */
/*
* Copyright (c) 2002, 2003, 2005, 2010 Genetec Corporation.
@@ -102,7 +102,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: netwalker_machdep.c,v 1.15 2014/04/09 04:00:50 hkenken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: netwalker_machdep.c,v 1.16 2014/05/06 11:22:53 hkenken Exp $");
#include "opt_evbarm_boardtype.h"
#include "opt_cputypes.h"
@@ -115,6 +115,7 @@ __KERNEL_RCSID(0, "$NetBSD: netwalker_ma
#include "opt_imx.h"
#include "opt_imx51_ipuv3.h"
#include "wsdisplay.h"
+#include "opt_machdep.h"
#include <sys/param.h>
#include <sys/device.h>
@@ -448,18 +449,16 @@ const struct iomux_setup iomux_setup_dat
IOMUX_DATA(IOMUXC_GPIO3_IPP_IND_G_IN_3_SELECT_INPUT, INPUT_DAISY_0),
IOMUX_MP(CSI2_D12, ALT3, KEEPER | DSEHIGH | SRE), /* GPIO4_9 */
IOMUX_MP(CSI2_D13, ALT3, KEEPER | DSEHIGH | SRE),
- IOMUX_MP(GPIO1_2, ALT0, ODE | DSEHIGH),
+#if 1
+ IOMUX_MP(GPIO1_2, ALT1, DSEHIGH | ODE), /* LCD backlight by PWM */
+#else
+ IOMUX_MP(GPIO1_2, ALT0, DSEHIGH | ODE), /* LCD backlight by GPIO */
+#endif
IOMUX_MP(EIM_A19, ALT1, SRE | DSEHIGH),
/* XXX VGA pins */
IOMUX_M(DI_GP4, ALT4),
IOMUX_M(GPIO1_8, SION | ALT0),
-
-#if 0
- IOMUX_MP(GPIO1_2, ALT1, DSEHIGH | ODE), /* LCD backlight by PWM */
-#else
- IOMUX_P(GPIO1_2, DSEHIGH | ODE), /* LCD backlight by GPIO */
-#endif
IOMUX_MP(GPIO1_8, SION | ALT0, HYS | DSEMID | PU_100K),
/* I2C1 */
IOMUX_MP(EIM_D16, SION | ALT4, HYS | ODE | DSEHIGH | SRE),
Index: src/sys/arch/evbarm/netwalker/netwalker_start.S
diff -u src/sys/arch/evbarm/netwalker/netwalker_start.S:1.4 src/sys/arch/evbarm/netwalker/netwalker_start.S:1.5
--- src/sys/arch/evbarm/netwalker/netwalker_start.S:1.4 Wed Apr 9 12:35:34 2014
+++ src/sys/arch/evbarm/netwalker/netwalker_start.S Tue May 6 11:22:53 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: netwalker_start.S,v 1.4 2014/04/09 12:35:34 hkenken Exp $ */
+/* $NetBSD: netwalker_start.S,v 1.5 2014/05/06 11:22:53 hkenken Exp $ */
/*-
* Copyright (c) 2009 SHIMIZU Ryo <[email protected]>
@@ -66,7 +66,7 @@
#include <arm/imx/imxuartreg.h>
#include <evbarm/netwalker/netwalker_reg.h>
-RCSID("$NetBSD: netwalker_start.S,v 1.4 2014/04/09 12:35:34 hkenken Exp $")
+RCSID("$NetBSD: netwalker_start.S,v 1.5 2014/05/06 11:22:53 hkenken Exp $")
#if defined(VERBOSE_INIT_ARM)
#define DEBUG_STARTUP
@@ -198,6 +198,8 @@ relocated:
/* Move into supervisor mode and disable IRQs/FIQs. */
cpsid if, #PSR_SVC32_MODE
+ bl cortex_init
+
movw r0, #:lower16:TEMP_L1_TABLE
movt r0, #:upper16:TEMP_L1_TABLE
adr r1, .Lmmu_init_table
Added files:
Index: src/sys/arch/arm/imx/imx51_pwm.c
diff -u /dev/null src/sys/arch/arm/imx/imx51_pwm.c:1.1
--- /dev/null Tue May 6 11:22:53 2014
+++ src/sys/arch/arm/imx/imx51_pwm.c Tue May 6 11:22:53 2014
@@ -0,0 +1,71 @@
+/* $NetBSD: imx51_pwm.c,v 1.1 2014/05/06 11:22:53 hkenken Exp $ */
+
+/*-
+ * Copyright (c) 2014 Genetec Corporation. All rights reserved.
+ * Written by Hashimoto Kenichi for Genetec Corporation.
+ *
+ * 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 REGENTS 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 REGENTS 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>
+__KERNEL_RCSID(0, "$NetBSD: imx51_pwm.c,v 1.1 2014/05/06 11:22:53 hkenken Exp $");
+
+#include "locators.h"
+#include "opt_imx.h"
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/device.h>
+
+#include <arm/imx/imxpwmvar.h>
+#include <arm/imx/imx51reg.h>
+#include <arm/imx/imx51var.h>
+#include <arm/imx/imx51_ccmvar.h>
+
+int
+imxpwm_match(device_t parent, cfdata_t cf, void *aux)
+{
+ struct axi_attach_args *aa = aux;
+
+ switch (aa->aa_addr) {
+ case PWM1_BASE:
+ case PWM2_BASE:
+ return 1;
+ }
+
+ return 0;
+}
+
+void
+imxpwm_attach(struct imxpwm_softc *sc, void *aux)
+{
+ struct axi_attach_args *aa = aux;
+
+ if (aa->aa_size == AXICF_SIZE_DEFAULT)
+ aa->aa_size = PWM_SIZE;
+ sc->sc_iot = aa->aa_iot;
+ sc->sc_intr = aa->aa_irq;
+ sc->sc_freq = imx51_get_clock(IMX51CLK_IPG_CLK_ROOT);
+ if (bus_space_map(aa->aa_iot, aa->aa_addr, aa->aa_size, 0, &sc->sc_ioh))
+ panic("%s: couldn't map", device_xname(sc->sc_dev));
+ imxpwm_attach_common(sc);
+}
Index: src/sys/arch/arm/imx/imxpwm.c
diff -u /dev/null src/sys/arch/arm/imx/imxpwm.c:1.1
--- /dev/null Tue May 6 11:22:53 2014
+++ src/sys/arch/arm/imx/imxpwm.c Tue May 6 11:22:53 2014
@@ -0,0 +1,114 @@
+/* $NetBSD: imxpwm.c,v 1.1 2014/05/06 11:22:53 hkenken Exp $ */
+
+/*
+ * Copyright (c) 2014 Genetec Corporation. All rights reserved.
+ * Written by Hashimoto Kenichi for Genetec Corporation.
+ *
+ * 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 GENETEC CORPORATION ``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 GENETEC CORPORATION
+ * 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>
+__KERNEL_RCSID(0, "$NetBSD: imxpwm.c,v 1.1 2014/05/06 11:22:53 hkenken Exp $");
+
+#include "opt_imx.h"
+#include "locators.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/device.h>
+
+#include <arm/imx/imxpwmreg.h>
+#include <arm/imx/imxpwmvar.h>
+
+static inline uint32_t
+imxpwm_read(struct imxpwm_softc *sc, bus_size_t o)
+{
+ return bus_space_read_4(sc->sc_iot, sc->sc_ioh, o);
+}
+
+static inline void
+imxpwm_write(struct imxpwm_softc *sc, bus_size_t o, uint32_t v)
+{
+ bus_space_write_4(sc->sc_iot, sc->sc_ioh, o, v);
+}
+
+static int
+imxpwm_intr(void *arg)
+{
+ struct imxpwm_softc *sc = arg;
+ uint32_t sts = imxpwm_read(sc, PWM_SR);
+
+ imxpwm_write(sc, PWM_SR, sts);
+
+ if ((sts & SR_ROV) && (sc->sc_handler != NULL))
+ sc->sc_handler(sc->sc_cookie);
+
+ return 1;
+}
+
+void
+imxpwm_attach_common(struct imxpwm_softc *sc)
+{
+ uint32_t reg;
+ int div;
+
+ if (sc->sc_handler != NULL) {
+ sc->sc_ih = intr_establish(sc->sc_intr, IPL_BIO, IST_LEVEL,
+ imxpwm_intr, sc);
+
+ reg = IR_RIE;
+ imxpwm_write(sc, PWM_IR, reg);
+ }
+
+ if (sc->sc_hz <= 0)
+ sc->sc_hz = IMXPWM_DEFAULT_HZ;
+ div = 0;
+ do {
+ div++;
+ sc->sc_cycle = sc->sc_freq / div / sc->sc_hz;
+ } while (sc->sc_cycle > 0xffff);
+
+ imxpwm_write(sc, PWM_PR, __SHIFTIN(sc->sc_cycle - 2, PR_PERIOD));
+
+ reg = 0;
+ reg |= __SHIFTIN(CLKSRC_IPG_CLK, CR_CLKSRC);
+ reg |= __SHIFTIN(div - 1, CR_PRESCALER);
+ reg |= CR_EN;
+ imxpwm_write(sc, PWM_CR, reg);
+}
+
+int
+imxpwm_set_pwm(struct imxpwm_softc *sc, int duty)
+{
+ if (duty < 0 || IMXPWM_DUTY_MAX < duty)
+ return EINVAL;
+
+ sc->sc_duty = duty;
+
+ uint16_t reg = sc->sc_cycle * sc->sc_duty / IMXPWM_DUTY_MAX;
+ if (reg != 0)
+ reg -= 1;
+ imxpwm_write(sc, PWM_SAR, __SHIFTIN(reg, SAR_SAMPLE));
+
+ return 0;
+}
Index: src/sys/arch/arm/imx/imxpwmreg.h
diff -u /dev/null src/sys/arch/arm/imx/imxpwmreg.h:1.1
--- /dev/null Tue May 6 11:22:53 2014
+++ src/sys/arch/arm/imx/imxpwmreg.h Tue May 6 11:22:53 2014
@@ -0,0 +1,66 @@
+/* $NetBSD: imxpwmreg.h,v 1.1 2014/05/06 11:22:53 hkenken Exp $ */
+
+/*
+ * Copyright (c) 2014 Genetec Corporation. All rights reserved.
+ * Written by Hashimoto Kenichi for Genetec Corporation.
+ *
+ * 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 GENETEC CORPORATION ``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 GENETEC CORPORATION
+ * 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.
+ */
+
+#ifndef _ARM_IMX_IMXPWMREG_H_
+#define _ARM_IMX_IMXPWMREG_H_
+
+#define PWM_CR 0x00 /* PWM Control Register */
+#define CR_FWM __BITS(27, 26)
+#define CR_STOPEN __BIT(25)
+#define CR_DOZEN __BIT(24)
+#define CR_WAITEN __BIT(23)
+#define CR_DBGEN __BIT(22)
+#define CR_BCTR __BIT(21)
+#define CR_HCTR __BIT(20)
+#define CR_POUTC __BITS(19, 18)
+#define CR_CLKSRC __BITS(17, 16)
+#define CLKSRC_IPG_CLK 1
+#define CLKSRC_IPG_CLK_HIGHFREQ 2
+#define CLKSRC_IPG_CLK_32K 3
+#define CR_PRESCALER __BITS(15, 4)
+#define CR_SWR __BIT(3)
+#define CR_REPEAT __BITS(2, 1)
+#define CR_EN __BIT(0)
+#define PWM_SR 0x04 /* PWM Status Register */
+#define SR_FWE __BIT(6)
+#define SR_CMP __BIT(5)
+#define SR_ROV __BIT(4)
+#define SR_FE __BIT(3)
+#define SR_FIFOAV __BITS(2, 0)
+#define PWM_IR 0x08 /* PWM Interrupt Register */
+#define IR_CIE __BIT(2)
+#define IR_RIE __BIT(1)
+#define IR_FIE __BIT(0)
+#define PWM_SAR 0x0C /* PWM Sample Register */
+#define SAR_SAMPLE __BITS(15, 0)
+#define PWM_PR 0x10 /* PWM Period Register */
+#define PR_PERIOD __BITS(15, 0)
+#define PWM_CNR 0x14 /* PWM Counter Register */
+#define CNR_COUNT __BITS(15, 0)
+
+#endif /* _ARM_IMX_IMXPWMREG_H_ */
Index: src/sys/arch/arm/imx/imxpwmvar.h
diff -u /dev/null src/sys/arch/arm/imx/imxpwmvar.h:1.1
--- /dev/null Tue May 6 11:22:53 2014
+++ src/sys/arch/arm/imx/imxpwmvar.h Tue May 6 11:22:53 2014
@@ -0,0 +1,56 @@
+/* $NetBSD: imxpwmvar.h,v 1.1 2014/05/06 11:22:53 hkenken Exp $ */
+
+/*
+ * Copyright (c) 2014 Genetec Corporation. All rights reserved.
+ * Written by Hashimoto Kenichi for Genetec Corporation.
+ *
+ * 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 GENETEC CORPORATION ``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 GENETEC CORPORATION
+ * 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.
+ */
+
+#ifndef _ARM_IMX_IMXPWMVAR_H_
+#define _ARM_IMX_IMXPWMVAR_H_
+
+struct imxpwm_softc {
+ device_t sc_dev;
+ bus_space_tag_t sc_iot;
+ bus_space_handle_t sc_ioh;
+ int sc_intr;
+ void *sc_ih;
+
+ long sc_freq;
+ long sc_hz;
+#define IMXPWM_DEFAULT_HZ 1000
+ long sc_cycle;
+ int sc_duty;
+#define IMXPWM_DUTY_MAX 1000
+
+ int (*sc_handler)(void *);
+ void *sc_cookie;
+};
+
+int imxpwm_match(device_t, cfdata_t, void *);
+void imxpwm_attach(struct imxpwm_softc *, void *);
+void imxpwm_attach_common(struct imxpwm_softc *);
+
+int imxpwm_set_pwm(struct imxpwm_softc *, int);
+
+#endif /* _ARM_IMX_IMXPWMVAR_H_ */
Index: src/sys/arch/evbarm/netwalker/netwalker_backlight.c
diff -u /dev/null src/sys/arch/evbarm/netwalker/netwalker_backlight.c:1.1
--- /dev/null Tue May 6 11:22:53 2014
+++ src/sys/arch/evbarm/netwalker/netwalker_backlight.c Tue May 6 11:22:53 2014
@@ -0,0 +1,252 @@
+/* $NetBSD: netwalker_backlight.c,v 1.1 2014/05/06 11:22:53 hkenken Exp $ */
+
+/*
+ * Copyright (c) 2014 Genetec Corporation. All rights reserved.
+ * Written by Hashimoto Kenichi for Genetec Corporation.
+ *
+ * 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 GENETEC CORPORATION ``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 GENETEC CORPORATION
+ * 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>
+__KERNEL_RCSID(0, "$NetBSD: netwalker_backlight.c,v 1.1 2014/05/06 11:22:53 hkenken Exp $");
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+#include <sys/pmf.h>
+
+#include <dev/wscons/wsconsio.h>
+#include <dev/wscons/wsdisplayvar.h>
+
+#include <dev/sysmon/sysmonvar.h>
+#include <dev/sysmon/sysmon_taskq.h>
+
+#include <arm/imx/imx51reg.h>
+#include <arm/imx/imx51var.h>
+#include <arm/imx/imx51_ccmvar.h>
+#include <arm/imx/imxpwmvar.h>
+
+#include <evbarm/netwalker/netwalker_backlightvar.h>
+
+#define BRIGHTNESS_MAX 16
+
+struct netwalker_backlight_softc {
+ struct imxpwm_softc sc_imxpwm;
+
+ int sc_brightness;
+ bool sc_islit;
+};
+
+static struct netwalker_backlight_softc *netwalker_backlight_sc;
+
+static int netwalker_backlight_match(device_t, cfdata_t, void *);
+static void netwalker_backlight_attach(device_t, device_t, void *);
+static int netwalker_backlight_detach(device_t, int);
+
+CFATTACH_DECL_NEW(netwalker_backlight, sizeof(struct netwalker_backlight_softc),
+ netwalker_backlight_match, netwalker_backlight_attach, netwalker_backlight_detach, NULL);
+
+static bool netwalker_backlight_resume(device_t, const pmf_qual_t *);
+static bool netwalker_backlight_suspend(device_t, const pmf_qual_t *);
+static void netwalker_backlight_on(device_t);
+static void netwalker_backlight_off(device_t);
+static void netwalker_brightness_up(device_t);
+static void netwalker_brightness_down(device_t);
+static void netwalker_set_brightness(struct netwalker_backlight_softc *, int);
+
+static int
+netwalker_backlight_match(device_t parent, cfdata_t cf, void * aux)
+{
+ return imxpwm_match(parent, cf, aux);
+}
+
+static void
+netwalker_backlight_attach(device_t parent, device_t self, void *aux)
+{
+ struct netwalker_backlight_softc *sc = device_private(self);
+ struct imxpwm_softc *imxpwm = &sc->sc_imxpwm;
+
+ imxpwm->sc_dev = self;
+ imxpwm->sc_hz = 1000; /* 1000 Hz */
+ imxpwm->sc_handler = NULL;
+ imxpwm->sc_cookie = sc;
+ imxpwm_attach(imxpwm, aux);
+
+ aprint_normal(": LCD BackLight Control\n");
+ aprint_naive(": LCD BackLight Control\n");
+
+ netwalker_backlight_sc = sc;
+
+ /* BackLight 100% On */
+ sc->sc_brightness = BRIGHTNESS_MAX;
+ sc->sc_islit = true;
+ imxpwm_set_pwm(imxpwm, 1000);
+
+ if (!pmf_device_register(self, netwalker_backlight_suspend,
+ netwalker_backlight_resume))
+ aprint_error_dev(self,
+ "couldn't establish backlight handler\n");
+
+ if (!pmf_event_register(self, PMFE_DISPLAY_BRIGHTNESS_UP,
+ netwalker_brightness_up, true))
+ aprint_error_dev(self,
+ "couldn't register BRIGHTNESS UP event handler\n");
+ if (!pmf_event_register(self, PMFE_DISPLAY_BRIGHTNESS_DOWN,
+ netwalker_brightness_down, true))
+ aprint_error_dev(self,
+ "couldn't register BRIGHTNESS DOWN event handler\n");
+ if (!pmf_event_register(self, PMFE_DISPLAY_ON,
+ netwalker_backlight_on, true))
+ aprint_error_dev(self,
+ "couldn't register DISPLAY ON event handler\n");
+ if (!pmf_event_register(self, PMFE_DISPLAY_OFF,
+ netwalker_backlight_off, true))
+ aprint_error_dev(self,
+ "couldn't register DISPLAY OFF event handler\n");
+ if (!pmf_event_register(self, PMFE_CHASSIS_LID_OPEN,
+ netwalker_backlight_on, true))
+ aprint_error_dev(self,
+ "couldn't register LID OPEN event handler\n");
+ if (!pmf_event_register(self, PMFE_CHASSIS_LID_CLOSE,
+ netwalker_backlight_off, true))
+ aprint_error_dev(self,
+ "couldn't register LID CLOSE event handler\n");
+}
+
+static int
+netwalker_backlight_detach(device_t self, int flags)
+{
+ struct netwalker_backlight_softc *sc = device_private(self);
+ struct imxpwm_softc *imxpwm = &sc->sc_imxpwm;
+
+ imxpwm_set_pwm(imxpwm, 0);
+ pmf_device_deregister(self);
+ return 0;
+}
+
+/*
+ * Power management
+ */
+static bool
+netwalker_backlight_suspend(device_t dv, const pmf_qual_t *qual)
+{
+ netwalker_backlight_off(dv);
+ return true;
+}
+
+static bool
+netwalker_backlight_resume(device_t dv, const pmf_qual_t *qual)
+{
+ netwalker_backlight_on(dv);
+ return true;
+}
+
+static void
+netwalker_backlight_on(device_t dv)
+{
+ struct netwalker_backlight_softc *sc = device_private(dv);
+ sc->sc_islit = true;
+ netwalker_set_brightness(sc, sc->sc_brightness);
+}
+
+static void
+netwalker_backlight_off(device_t dv)
+{
+ struct netwalker_backlight_softc *sc = device_private(dv);
+ sc->sc_islit = false;
+ netwalker_set_brightness(sc, sc->sc_brightness);
+}
+
+static void
+netwalker_brightness_up(device_t dv)
+{
+ struct netwalker_backlight_softc *sc = device_private(dv);
+ netwalker_set_brightness(sc, sc->sc_brightness + 1);
+}
+
+static void
+netwalker_brightness_down(device_t dv)
+{
+ struct netwalker_backlight_softc *sc = device_private(dv);
+ netwalker_set_brightness(sc, sc->sc_brightness - 1);
+}
+
+static void
+netwalker_set_brightness(struct netwalker_backlight_softc *sc, int newval)
+{
+ struct imxpwm_softc *imxpwm = &sc->sc_imxpwm;
+
+ if (newval < 0)
+ newval = 0;
+ else if (newval > BRIGHTNESS_MAX)
+ newval = BRIGHTNESS_MAX;
+ sc->sc_brightness = newval;
+
+ if (sc->sc_islit)
+ imxpwm_set_pwm(imxpwm, 1000 * sc->sc_brightness / BRIGHTNESS_MAX);
+ else
+ imxpwm_set_pwm(imxpwm, 0);
+}
+
+int
+netwalker_lcd_param_ioctl(u_long cmd, struct wsdisplay_param *dp)
+{
+ struct netwalker_backlight_softc *sc = netwalker_backlight_sc;
+ int rv = EINVAL;
+
+ switch (dp->param) {
+ case WSDISPLAYIO_PARAM_BACKLIGHT:
+ if (cmd == WSDISPLAYIO_GETPARAM) {
+ dp->min = 0;
+ dp->max = 1;
+ dp->curval = sc->sc_islit ? 1 : 0;
+ rv = 0;
+ } else if (cmd == WSDISPLAYIO_SETPARAM) {
+ if (dp->curval != 0)
+ netwalker_backlight_on(sc->sc_imxpwm.sc_dev);
+ else
+ netwalker_backlight_off(sc->sc_imxpwm.sc_dev);
+ rv = 0;
+ }
+ break;
+
+ case WSDISPLAYIO_PARAM_CONTRAST:
+ /* unsupported */
+ rv = ENOTSUP;
+ break;
+
+ case WSDISPLAYIO_PARAM_BRIGHTNESS:
+ if (cmd == WSDISPLAYIO_GETPARAM) {
+ dp->min = 0;
+ dp->max = BRIGHTNESS_MAX;
+ dp->curval = sc->sc_brightness;
+ rv = 0;
+ } else if (cmd == WSDISPLAYIO_SETPARAM) {
+ netwalker_set_brightness(sc, dp->curval);
+ rv = 0;
+ }
+ break;
+ }
+
+ return rv;
+}
Index: src/sys/arch/evbarm/netwalker/netwalker_backlightvar.h
diff -u /dev/null src/sys/arch/evbarm/netwalker/netwalker_backlightvar.h:1.1
--- /dev/null Tue May 6 11:22:53 2014
+++ src/sys/arch/evbarm/netwalker/netwalker_backlightvar.h Tue May 6 11:22:53 2014
@@ -0,0 +1,34 @@
+/* $NetBSD: netwalker_backlightvar.h,v 1.1 2014/05/06 11:22:53 hkenken Exp $ */
+
+/*
+ * Copyright (c) 2014 Genetec Corporation. All rights reserved.
+ * Written by Hashimoto Kenichi for Genetec Corporation.
+ *
+ * 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 GENETEC CORPORATION ``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 GENETEC CORPORATION
+ * 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.
+ */
+
+#ifndef _EVBARM_NETWALKER_NETWALKER_BACKLIGHTVAR_H
+#define _EVBARM_NETWALKER_NETWALKER_BACKLIGHTVAR_H
+
+int netwalker_lcd_param_ioctl(u_long cmd, struct wsdisplay_param *dp);
+
+#endif /* _EVBARM_NETWALKER_NETWALKER_BACKLIGHTVAR_H */
