diff options
| author | Kazutaka YOKOTA <yokota@FreeBSD.org> | 1997-10-04 04:24:18 +0000 |
|---|---|---|
| committer | Kazutaka YOKOTA <yokota@FreeBSD.org> | 1997-10-04 04:24:18 +0000 |
| commit | 0de89efe5c443f213c7ea28773ef2dc6cf3af2ed (patch) | |
| tree | 217b572ad0cd94a9b38d527797466d9fe2336b98 /sys/dev/syscons/green | |
| parent | b7536ed531c9d7cbe4e1916cf8729a4f7b006db9 (diff) | |
Notes
Diffstat (limited to 'sys/dev/syscons/green')
| -rw-r--r-- | sys/dev/syscons/green/green_saver.c | 67 |
1 files changed, 56 insertions, 11 deletions
diff --git a/sys/dev/syscons/green/green_saver.c b/sys/dev/syscons/green/green_saver.c index 0454753d6b0b..b8c82958ac34 100644 --- a/sys/dev/syscons/green/green_saver.c +++ b/sys/dev/syscons/green/green_saver.c @@ -25,7 +25,7 @@ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * - * $Id: green_saver.c,v 1.9 1997/04/06 10:49:13 dufault Exp $ + * $Id: green_saver.c,v 1.10 1997/07/15 14:49:29 yokota Exp $ */ #include <sys/param.h> @@ -46,16 +46,48 @@ green_saver(int blank) u_char val; if (blank) { scrn_blanked = 1; - outb(TSIDX, 0x01); val = inb(TSREG); - outb(TSIDX, 0x01); outb(TSREG, val | 0x20); - outb(crtc_addr, 0x17); val = inb(crtc_addr + 1); - outb(crtc_addr + 1, val & ~0x80); + switch (crtc_type) { + case KD_VGA: + outb(TSIDX, 0x01); val = inb(TSREG); + outb(TSIDX, 0x01); outb(TSREG, val | 0x20); + outb(crtc_addr, 0x17); val = inb(crtc_addr + 1); + outb(crtc_addr + 1, val & ~0x80); + break; + case KD_EGA: + /* not yet done XXX */ + break; + case KD_CGA: + outb(crtc_addr + 4, 0x25); + break; + case KD_MONO: + case KD_HERCULES: + outb(crtc_addr + 4, 0x21); + break; + default: + break; + } } else { - outb(TSIDX, 0x01); val = inb(TSREG); - outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); - outb(crtc_addr, 0x17); val = inb(crtc_addr + 1); - outb(crtc_addr + 1, val | 0x80); + switch (crtc_type) { + case KD_VGA: + outb(TSIDX, 0x01); val = inb(TSREG); + outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); + outb(crtc_addr, 0x17); val = inb(crtc_addr + 1); + outb(crtc_addr + 1, val | 0x80); + break; + case KD_EGA: + /* not yet done XXX */ + break; + case KD_CGA: + outb(crtc_addr + 4, 0x2d); + break; + case KD_MONO: + case KD_HERCULES: + outb(crtc_addr + 4, 0x29); + break; + default: + break; + } scrn_blanked = 0; } } @@ -63,8 +95,21 @@ green_saver(int blank) static int green_saver_load(struct lkm_table *lkmtp, int cmd) { - if (!crtc_vga) - return EINVAL; + switch (crtc_type) { + case KD_MONO: + case KD_HERCULES: + case KD_CGA: + /* + * `green' saver is not fully implemented for MDA and CGA. + * It simply blanks the display instead. + */ + case KD_VGA: + break; + case KD_EGA: + /* EGA is yet to be supported */ + default: + return ENODEV; + } return add_scrn_saver(green_saver); } |