diff options
Diffstat (limited to 'lkm/syscons/blank/blank_saver.c')
| -rw-r--r-- | lkm/syscons/blank/blank_saver.c | 55 |
1 files changed, 48 insertions, 7 deletions
diff --git a/lkm/syscons/blank/blank_saver.c b/lkm/syscons/blank/blank_saver.c index a534ab3..451dc9a 100644 --- a/lkm/syscons/blank/blank_saver.c +++ b/lkm/syscons/blank/blank_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: blank_saver.c,v 1.9 1997/04/06 10:48:10 dufault Exp $ + * $Id: blank_saver.c,v 1.10 1997/07/15 14:49:09 yokota Exp $ */ #include <sys/param.h> @@ -46,12 +46,44 @@ blank_saver(int blank) u_char val; if (blank) { scrn_blanked = 1; - outb(TSIDX, 0x01); val = inb(TSREG); - outb(TSIDX, 0x01); outb(TSREG, val | 0x20); + switch (crtc_type) { + case KD_VGA: + outb(TSIDX, 0x01); val = inb(TSREG); + outb(TSIDX, 0x01); outb(TSREG, val | 0x20); + 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); + switch (crtc_type) { + case KD_VGA: + outb(TSIDX, 0x01); val = inb(TSREG); + outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); + 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; } } @@ -59,8 +91,17 @@ blank_saver(int blank) static int blank_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: + case KD_VGA: + break; + case KD_EGA: + /* EGA is yet to be supported */ + default: + return ENODEV; + } return add_scrn_saver(blank_saver); } |
