[PATCH 6/6] fbd : Port to RTEMS
Vijay Kumar Banerjee
vijaykumar9597 at gmail.com
Sun Jun 30 16:29:52 UTC 2019
On Sun, Jun 30, 2019 at 9:35 PM Christian Mauderer <list at c-mauderer.de>
wrote:
> On 30/06/2019 17:29, Vijay Kumar Banerjee wrote:
> > ---
> > freebsd/sys/dev/fb/fbd.c | 11 ++++++
> > libbsd.py | 4 +++
> > rtemsbsd/include/bsp/nexus-devices.h | 1 +
> > .../machine/rtems-bsd-kernel-namespace.h | 35 +++++++++++++++++++
> > rtemsbsd/include/rtems/bsd/local/opt_fb.h | 0
> > 5 files changed, 51 insertions(+)
> > create mode 100644 rtemsbsd/include/rtems/bsd/local/opt_fb.h
> >
> > diff --git a/freebsd/sys/dev/fb/fbd.c b/freebsd/sys/dev/fb/fbd.c
> > index 60ce4bc3..1d303e67 100644
> > --- a/freebsd/sys/dev/fb/fbd.c
> > +++ b/freebsd/sys/dev/fb/fbd.c
> > @@ -82,7 +82,9 @@ static d_close_t fb_close;
> > static d_read_t fb_read;
> > static d_write_t fb_write;
> > static d_ioctl_t fb_ioctl;
> > +#ifndef __rtems__
> > static d_mmap_t fb_mmap;
> > +#endif /* __rtems__ */
>
> Like discussed and like you most likely will tell in your summary: Most
> likely you'll need mmap or an alternative read / write implementation
> because read / write is quite empty for the fbd. I don't think that we
> should merge anything before that is done although of course it is great
> that this much already works and you get an fb0 device.
>
> OK. Will start with the mmap work next and hopefully will get something
working
on the screen.
> >
> > static struct cdevsw fb_cdevsw = {
> > .d_version = D_VERSION,
> > @@ -92,7 +94,9 @@ static struct cdevsw fb_cdevsw = {
> > .d_read = fb_read,
> > .d_write = fb_write,
> > .d_ioctl = fb_ioctl,
> > +#ifndef __rtems__
> > .d_mmap = fb_mmap,
> > +#endif /* __rtems__ */
> > .d_name = "fb",
> > };
> >
> > @@ -257,11 +261,13 @@ fbd_register(struct fb_info* info)
> > err = fb_init(entry, framebuffer_dev_unit++);
> > if (err)
> > return (err);
> > +#ifndef __rtems__
> > if (first) {
> > err = vt_fb_attach(info);
> > if (err)
> > return (err);
> > }
> > +#endif /* __rtems__ */
> >
> > return (0);
> > }
> > @@ -274,8 +280,10 @@ fbd_unregister(struct fb_info* info)
> > LIST_FOREACH_SAFE(entry, &fb_list_head, fb_list, tmp) {
> > if (entry->fb_info == info) {
> > LIST_REMOVE(entry, fb_list);
> > +#ifndef __rtems__
> > if (LIST_EMPTY(&fb_list_head))
> > vt_fb_detach(info);
> > +#endif /* __rtems__ */
> > free(entry, M_DEVBUF);
> > return (0);
> > }
> > @@ -366,6 +374,9 @@ driver_t fbd_driver = {
> > devclass_t fbd_devclass;
> >
> > DRIVER_MODULE(fbd, fb, fbd_driver, fbd_devclass, 0, 0);
> > +#ifdef __rtems__
> > +DRIVER_MODULE(fbd, am335x_lcd, fbd_driver, fbd_devclass, 0, 0);
>
> Why is this necessary in this case? I don't see a similar connection in
> FreeBSD.
>
> the fbd needs to be linked to the am335x_lcd which provides the fb0 device
and the fbd needs to attach to fb0.
> > +#endif /* __rtems__ */
> > DRIVER_MODULE(fbd, drmn, fbd_driver, fbd_devclass, 0, 0);
> > DRIVER_MODULE(fbd, udl, fbd_driver, fbd_devclass, 0, 0);
> > MODULE_VERSION(fbd, 1);
> > diff --git a/libbsd.py b/libbsd.py
> > index bce1d268..43b06e1b 100644
> > --- a/libbsd.py
> > +++ b/libbsd.py
> > @@ -807,6 +807,8 @@ class display(builder.Module):
> > 'sys/sys/fbio.h',
> > 'sys/sys/consio.h',
> > 'sys/sys/terminal.h',
> > + 'sys/dev/vt/hw/fb/vt_fb.h',
> > + 'sys/dev/vt/colors/vt_termcolors.h',
> > ]
> > )
> > self.addKernelSpaceSourceFiles(
> > @@ -822,6 +824,8 @@ class display(builder.Module):
> > 'sys/arm/ti/am335x/am335x_lcd.c',
> > 'sys/arm/ti/am335x/am335x_pwmss.c',
> > 'sys/arm/ti/am335x/am335x_ecap.c',
> > + 'sys/dev/fb/fb.c',
> > + 'sys/dev/fb/fbd.c',
> > ],
> > mm.generator['source']()
> > )
> > diff --git a/rtemsbsd/include/bsp/nexus-devices.h
> b/rtemsbsd/include/bsp/nexus-devices.h
> > index 2c718295..6765b10d 100644
> > --- a/rtemsbsd/include/bsp/nexus-devices.h
> > +++ b/rtemsbsd/include/bsp/nexus-devices.h
> > @@ -63,6 +63,7 @@ SYSINIT_DRIVER_REFERENCE(cpsw, cpswss);
> > SYSINIT_DRIVER_REFERENCE(ukphy, miibus);
> > SYSINIT_DRIVER_REFERENCE(am335x_lcd, simplebus);
> > SYSINIT_DRIVER_REFERENCE(am335x_pwmss, simplebus);
> > +SYSINIT_DRIVER_REFERENCE(fbd, am335x_lcd);
> > SYSINIT_DRIVER_REFERENCE(rtems_i2c, simplebus);
> > SYSINIT_DRIVER_REFERENCE(ofw_iicbus, rtems_i2c);
> > SYSINIT_DRIVER_REFERENCE(iic, iicbus);
> > diff --git a/rtemsbsd/include/machine/rtems-bsd-kernel-namespace.h
> b/rtemsbsd/include/machine/rtems-bsd-kernel-namespace.h
> > index 3951da79..d796d3d1 100644
> > --- a/rtemsbsd/include/machine/rtems-bsd-kernel-namespace.h
> > +++ b/rtemsbsd/include/machine/rtems-bsd-kernel-namespace.h
> > @@ -1266,6 +1266,16 @@
> > #define eventhandler_find_list _bsd_eventhandler_find_list
> > #define eventhandler_prune_list _bsd_eventhandler_prune_list
> > #define eventhandler_register _bsd_eventhandler_register
> > +#define fb_commonioctl _bsd_fb_commonioctl
> > +#define fbd_devclass _bsd_fbd_devclass
> > +#define fbd_driver _bsd_fbd_driver
> > +#define fbd_list _bsd_fbd_list
> > +#define fbd_register _bsd_fbd_register
> > +#define fb_dump_adp_info _bsd_fb_dump_adp_info
> > +#define fb_dump_mode_info _bsd_fb_dump_mode_info
> > +#define fbd_unregister _bsd_fbd_unregister
> > +#define fb_list_head _bsd_fb_list_head
> > +#define fb_type _bsd_fb_type
> > #define fdt_addrsize_cells _bsd_fdt_addrsize_cells
> > #define fdt_data_get _bsd_fdt_data_get
> > #define fdt_data_to_res _bsd_fdt_data_to_res
> > @@ -5515,8 +5525,18 @@
> > #define vht80_chan_ranges _bsd_vht80_chan_ranges
> > #define vesagtf_mode _bsd_vesagtf_mode
> > #define vesagtf_mode_params _bsd_vesagtf_mode_params
> > +#define vid_allocate _bsd_vid_allocate
> > +#define vid_configure _bsd_vid_configure
> > #define videomode_count _bsd_videomode_count
> > #define videomode_list _bsd_videomode_list
> > +#define vid_find_adapter _bsd_vid_find_adapter
> > +#define vid_get_adapter _bsd_vid_get_adapter
> > +#define vid_get_switch _bsd_vid_get_switch
> > +#define vid_init_struct _bsd_vid_init_struct
> > +#define vid_register _bsd_vid_register
> > +#define vid_release _bsd_vid_release
> > +#define vidsw _bsd_vidsw
> > +#define vid_unregister _bsd_vid_unregister
> > #define vlan_cookie_p _bsd_vlan_cookie_p
> > #define vlan_devat_p _bsd_vlan_devat_p
> > #define vlan_input_p _bsd_vlan_input_p
> > @@ -5533,6 +5553,21 @@
> > #define vsnprintf _bsd_vsnprintf
> > #define vsnrprintf _bsd_vsnrprintf
> > #define vsprintf _bsd_vsprintf
> > +#define vt_fb_attach _bsd_vt_fb_attach
> > +#define vt_fb_bitblt_bitmap _bsd_vt_fb_bitblt_bitmap
> > +#define vt_fb_bitblt_text _bsd_vt_fb_bitblt_text
> > +#define vt_fb_blank _bsd_vt_fb_blank
> > +#define vt_fb_detach _bsd_vt_fb_detach
> > +#define vt_fb_drawrect _bsd_vt_fb_drawrect
> > +#define vt_fb_fini _bsd_vt_fb_fini
> > +#define vt_fb_init _bsd_vt_fb_init
> > +#define vt_fb_invalidate_text _bsd_vt_fb_invalidate_text
> > +#define vt_fb_ioctl _bsd_vt_fb_ioctl
> > +#define vt_fb_mmap _bsd_vt_fb_mmap
> > +#define vt_fb_postswitch _bsd_vt_fb_postswitch
> > +#define vt_fb_resume _bsd_vt_fb_resume
> > +#define vt_fb_setpixel _bsd_vt_fb_setpixel
> > +#define vt_fb_suspend _bsd_vt_fb_suspend
> > #define wakeup _bsd_wakeup
> > #define wakeup_one _bsd_wakeup_one
> > #define window_deflate _bsd_window_deflate
> > diff --git a/rtemsbsd/include/rtems/bsd/local/opt_fb.h
> b/rtemsbsd/include/rtems/bsd/local/opt_fb.h
> > new file mode 100644
> > index 00000000..e69de29b
> >
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.rtems.org/pipermail/devel/attachments/20190630/01c855d6/attachment-0001.html>
More information about the devel
mailing list