From d26bc9bf8e3c7261deac2260a4d95f056b786eb2 Mon Sep 17 00:00:00 2001 From: yokota Date: Sat, 4 Oct 1997 04:24:18 +0000 Subject: Make the blank screen saver work with MDA and CGA. The fade and green savers are also modified so that they behave in the same way as the blank saver on MDA and CGA, although it's not the way these screen savers are supposed to work, but fading monitor and tickling green monitor cannot be done on MDA and CGA, AFAIK. So, this is the second best solution. As of this change, the current state of support of screen savers is summarized in the following table. MDA CGA EGA VGA blank OK OK NA OK daemon OK OK OK OK fade * * NA OK green * * NA OK snake OK OK OK OK star OK OK OK OK OK: works NA: doesn't work, the module cannot be loaded for this adapter. *: behave the same way as the blank saver. As you can see, EGA is left out for now. But, we can do no better, as EGA registers cannot be read... Reviewed by: sos --- sys/modules/syscons/blank/blank_saver.c | 55 ++++++++++++++++++--- sys/modules/syscons/fade/fade_saver.c | 84 +++++++++++++++++++++++++-------- sys/modules/syscons/green/green_saver.c | 67 +++++++++++++++++++++----- sys/modules/syscons/saver.h | 4 +- 4 files changed, 171 insertions(+), 39 deletions(-) (limited to 'sys/modules') diff --git a/sys/modules/syscons/blank/blank_saver.c b/sys/modules/syscons/blank/blank_saver.c index a534ab3..451dc9a 100644 --- a/sys/modules/syscons/blank/blank_saver.c +++ b/sys/modules/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 @@ -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); } diff --git a/sys/modules/syscons/fade/fade_saver.c b/sys/modules/syscons/fade/fade_saver.c index d68bba9..341f7e8 100644 --- a/sys/modules/syscons/fade/fade_saver.c +++ b/sys/modules/syscons/fade/fade_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: fade_saver.c,v 1.10 1997/04/06 10:48:18 dufault Exp $ + * $Id: fade_saver.c,v 1.11 1997/07/15 14:49:25 yokota Exp $ */ #include @@ -48,34 +48,80 @@ fade_saver(int blank) if (blank) { scrn_blanked = 1; - if (count < 64) { - outb(PIXMASK, 0xFF); /* no pixelmask */ - outb(PALWADR, 0x00); - outb(PALDATA, 0); - outb(PALDATA, 0); - outb(PALDATA, 0); - for (i = 3; i < 768; i++) { - if (palette[i] - count > 15) - outb(PALDATA, palette[i]-count); - else - outb(PALDATA, 15); + switch (crtc_type) { + case KD_VGA: + if (count < 64) { + outb(PIXMASK, 0xFF); /* no pixelmask */ + outb(PALWADR, 0x00); + outb(PALDATA, 0); + outb(PALDATA, 0); + outb(PALDATA, 0); + for (i = 3; i < 768; i++) { + if (palette[i] - count > 15) + outb(PALDATA, palette[i]-count); + else + outb(PALDATA, 15); + } + inb(crtc_addr+6); /* reset flip/flop */ + outb(ATC, 0x20); /* enable palette */ + count++; } - inb(crtc_addr+6); /* reset flip/flop */ - outb(ATC, 0x20); /* enable palette */ - count++; + 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 { - load_palette(palette); - count = scrn_blanked = 0; + switch (crtc_type) { + case KD_VGA: + load_palette(palette); + count = 0; + 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; } } static int fade_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: + /* + * `fade' 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(fade_saver); } diff --git a/sys/modules/syscons/green/green_saver.c b/sys/modules/syscons/green/green_saver.c index 0454753..b8c8295 100644 --- a/sys/modules/syscons/green/green_saver.c +++ b/sys/modules/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 @@ -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); } diff --git a/sys/modules/syscons/saver.h b/sys/modules/syscons/saver.h index 7ba6c11..7118e45 100644 --- a/sys/modules/syscons/saver.h +++ b/sys/modules/syscons/saver.h @@ -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: saver.h,v 1.8 1997/05/21 14:18:00 yokota Exp $ + * $Id: saver.h,v 1.9 1997/07/15 14:48:11 yokota Exp $ */ #include @@ -36,7 +36,7 @@ extern scr_stat *cur_console; extern u_short *Crtat; extern u_int crtc_addr; -extern char crtc_vga; +extern char crtc_type; extern char scr_map[]; extern int scrn_blanked; extern int fonts_loaded; -- cgit v1.1