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Diffstat (limited to 'sys/pc98/cbus/30line.h')
| -rw-r--r-- | sys/pc98/cbus/30line.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/sys/pc98/cbus/30line.h b/sys/pc98/cbus/30line.h new file mode 100644 index 0000000..a6b7b7c --- /dev/null +++ b/sys/pc98/cbus/30line.h @@ -0,0 +1,125 @@ +/* + * Copyright (c) 1994, 1995, 1996. FreeBSD(98) porting team. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer as + * the first lines of this file unmodified. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __PC98_PC98_30LINE_H__ +#define __PC98_PC98_30LINE_H__ + +#include <pc98/pc98/module.h> + +#ifndef LINE30_ROW +#define LINE30_ROW 30 +#endif + +#define _CR 80 +#ifndef _VS +#define _VS 7 +#endif +#ifndef _HS +#define _HS 6 + 1 +#endif +#ifndef _HFP +#define _HFP 10 + 1 +#endif +#ifndef _HBP +#define _HBP 7 + 1 +#endif +#ifndef _VFP +#define _VFP 7 +#endif +#ifndef _VBP +#define _VBP 25 +#endif + +#define _LF LINE30_ROW*16 + +#define _GDC_RESET 0x00 +#define _GDC_SYNC 0x0e +#define _GDC_MASTER 0x6f +#define _GDC_SLAVE 0x6e +#define _GDC_START 0x0d +#define _GDC_STOP 0x0c +#define _GDC_SCROLL 0x70 +#define _GDC_PITCH 0x47 + +#define GDC_CR 0 +#define GDC_VS 1 +#define GDC_HS 2 +#define GDC_HFP 3 +#define GDC_HBP 4 +#define GDC_VFP 5 +#define GDC_VBP 6 +#define GDC_LF 7 + + +#define _2_5MHZ 0 +#define _5MHZ 1 + +#define _25L 0 +#define _30L 1 + +#define T25_G400 0 +#define T30_G400 1 +#define T30_G480 2 + +static void master_gdc_cmd(unsigned int); +static void master_gdc_prm(unsigned int); +static void master_gdc_word_prm(unsigned int); +static void master_gdc_fifo_empty(void); +static void master_gdc_wait_vsync(void); + +static void gdc_cmd(unsigned int); +static void gdc_prm(unsigned int); +static void gdc_word_prm(unsigned int); +static void gdc_fifo_empty(void); +static void gdc_wait_vsync(void); + +static int check_gdc_clock(void); + +static int gdc_INFO = _25L; +static void initialize_gdc(unsigned int); + +static unsigned int master_param[2][8] = { +{78, 8, 7, 9, 7, 7, 25, 400}, +{_CR-2, _VS, _HS-1, _HFP-1, _HBP-1, _VFP, _VBP, _LF}}; + +static unsigned int slave_param[6][8] = { +{38, 8, 3, 4, 3, 7, 25, 400}, /* normal */ +{78, 8, 7, 9, 7, 7, 25, 400}, +{_CR/2-2, _VS, (_HS)/2-1, (_HFP)/2-1, (_HBP)/2-1, +_VFP+(_LF-400)/2+8, _VBP+(_LF-400)/2-8, 400}, /* 30 & 400 */ +{_CR-2, _VS, _HS-1, _HFP-1, _HBP-1, +_VFP+(_LF-400)/2+8, _VBP+(_LF-400)/2-8, 400}, +{_CR/2-2, _VS, (_HS)/2-1, (_HFP)/2-1, (_HBP)/2-1, +_VFP, _VBP, _LF}, /* 30 & 480 */ +{_CR-2, _VS, _HS-1, _HFP-1, _HBP-1, _VFP, _VBP, _LF}}; + +static int SlavePCH[2] = {40,80}; +static int MasterPCH = 80; +static int SlaveScrlLF[3] = {400,400,_LF}; + +#endif |
