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author | Jung-uk Kim <jkim@FreeBSD.org> | 2009-11-06 20:32:26 +0000 |
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committer | Jung-uk Kim <jkim@FreeBSD.org> | 2009-11-06 20:32:26 +0000 |
commit | b66e2b8e50cd7b4da46c23ac0933f2bb6e6acc14 (patch) | |
tree | cb907687614b79b3c19c1b9e40e2b66044de8914 /sys/isa | |
parent | f802264db19951b367dc8d42e50dd418970bea7d (diff) | |
download | src-b66e2b8e50cd7b4da46c23ac0933f2bb6e6acc14.tar.gz src-b66e2b8e50cd7b4da46c23ac0933f2bb6e6acc14.zip |
Remove duplicate suspend/resume code from vga_pci.c and let vga(4) register
itself to an associated PCI device if it exists. It is little bit hackish
but it should fix build without frame buffer driver since r198964.
Fix some style(9) nits in vga_isa.c while we are here.
Notes
Notes:
svn path=/head/; revision=199002
Diffstat (limited to 'sys/isa')
-rw-r--r-- | sys/isa/vga_isa.c | 72 |
1 files changed, 53 insertions, 19 deletions
diff --git a/sys/isa/vga_isa.c b/sys/isa/vga_isa.c index cfb36ae97b61..e86ee4680a36 100644 --- a/sys/isa/vga_isa.c +++ b/sys/isa/vga_isa.c @@ -117,13 +117,17 @@ isavga_probe(device_t dev) isa_set_msize(dev, adp.va_mem_size); #endif } - return error; + return (error); } static int isavga_attach(device_t dev) { vga_softc_t *sc; + devclass_t dc; + device_t *devs; + void *vgapci_sc; + int count, i; int unit; int rid; int error; @@ -140,13 +144,13 @@ isavga_attach(device_t dev) error = vga_attach_unit(unit, sc, device_get_flags(dev)); if (error) - return error; + return (error); #ifdef FB_INSTALL_CDEV /* attach a virtual frame buffer device */ error = fb_attach(VGA_MKMINOR(unit), sc->adp, &isavga_cdevsw); if (error) - return error; + return (error); #endif /* FB_INSTALL_CDEV */ if (0 && bootverbose) @@ -157,20 +161,43 @@ isavga_attach(device_t dev) bus_generic_attach(dev); #endif - return 0; + /* Find the matching PCI video controller. */ + if (unit == 0) { + dc = devclass_find("vgapci"); + if (dc != NULL && + devclass_get_devices(dc, &devs, &count) == 0) { + for (i = 0; i < count; i++) + if (device_get_flags(devs[i]) != 0) { + sc->pci_dev = devs[i]; + break; + } + free(devs, M_TEMP); + } + if (sc->pci_dev != NULL) { + vgapci_sc = device_get_softc(sc->pci_dev); + *(device_t *)vgapci_sc = dev; + device_printf(dev, "associated with %s\n", + device_get_nameunit(sc->pci_dev)); + } + } + + return (0); } static int isavga_suspend(device_t dev) { vga_softc_t *sc; + device_t isa_dev; int err, nbytes; - err = bus_generic_suspend(dev); - if (err) - return (err); - - sc = device_get_softc(dev); + err = 0; + isa_dev = dev; + sc = device_get_softc(isa_dev); + if (sc->pci_dev != NULL) + dev = sc->pci_dev; + else + err = bus_generic_suspend(isa_dev); /* Save the video state across the suspend. */ if (sc->state_buf != NULL) @@ -193,7 +220,7 @@ isavga_suspend(device_t dev) save_palette: /* Save the color palette across the suspend. */ if (sc->pal_buf != NULL) - return (0); + return (err); sc->pal_buf = malloc(256 * 3, M_TEMP, M_NOWAIT); if (sc->pal_buf != NULL) { if (bootverbose) @@ -205,15 +232,19 @@ save_palette: } } - return (0); + return (err); } static int isavga_resume(device_t dev) { vga_softc_t *sc; + device_t isa_dev; - sc = device_get_softc(dev); + isa_dev = dev; + sc = device_get_softc(isa_dev); + if (sc->pci_dev != NULL) + dev = sc->pci_dev; if (sc->state_buf != NULL) { if (vidd_load_state(sc->adp, sc->state_buf) != 0) @@ -228,7 +259,10 @@ isavga_resume(device_t dev) sc->pal_buf = NULL; } - return (bus_generic_resume(dev)); + if (isa_dev != dev) + return (0); + + return (bus_generic_resume(isa_dev)); } #ifdef FB_INSTALL_CDEV @@ -236,37 +270,37 @@ isavga_resume(device_t dev) static int isavga_open(struct cdev *dev, int flag, int mode, struct thread *td) { - return vga_open(dev, VGA_SOFTC(VGA_UNIT(dev)), flag, mode, td); + return (vga_open(dev, VGA_SOFTC(VGA_UNIT(dev)), flag, mode, td)); } static int isavga_close(struct cdev *dev, int flag, int mode, struct thread *td) { - return vga_close(dev, VGA_SOFTC(VGA_UNIT(dev)), flag, mode, td); + return (vga_close(dev, VGA_SOFTC(VGA_UNIT(dev)), flag, mode, td)); } static int isavga_read(struct cdev *dev, struct uio *uio, int flag) { - return vga_read(dev, VGA_SOFTC(VGA_UNIT(dev)), uio, flag); + return (vga_read(dev, VGA_SOFTC(VGA_UNIT(dev)), uio, flag)); } static int isavga_write(struct cdev *dev, struct uio *uio, int flag) { - return vga_write(dev, VGA_SOFTC(VGA_UNIT(dev)), uio, flag); + return (vga_write(dev, VGA_SOFTC(VGA_UNIT(dev)), uio, flag)); } static int isavga_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td) { - return vga_ioctl(dev, VGA_SOFTC(VGA_UNIT(dev)), cmd, arg, flag, td); + return (vga_ioctl(dev, VGA_SOFTC(VGA_UNIT(dev)), cmd, arg, flag, td)); } static int isavga_mmap(struct cdev *dev, vm_offset_t offset, vm_paddr_t *paddr, int prot) { - return vga_mmap(dev, VGA_SOFTC(VGA_UNIT(dev)), offset, paddr, prot); + return (vga_mmap(dev, VGA_SOFTC(VGA_UNIT(dev)), offset, paddr, prot)); } #endif /* FB_INSTALL_CDEV */ |