diff options
| author | nyan <nyan@FreeBSD.org> | 2000-08-08 09:17:15 +0000 |
|---|---|---|
| committer | nyan <nyan@FreeBSD.org> | 2000-08-08 09:17:15 +0000 |
| commit | 6732d791f86db4d92eaaacdc0451927db66661dd (patch) | |
| tree | fc12da8dbc370e302abf4980344cfe74359d698b /sys/pc98/cbus/gdc.c | |
| parent | 4f56ce6517cce3364ad67b3a23b7b8184ad79217 (diff) | |
| download | FreeBSD-src-6732d791f86db4d92eaaacdc0451927db66661dd.zip FreeBSD-src-6732d791f86db4d92eaaacdc0451927db66661dd.tar.gz | |
Fixed PC-9821 NOTE supports with LINE30 mode.
Submitted by: Tomokazu HARADA <tkhara@osk4.3web.ne.jp>
Diffstat (limited to 'sys/pc98/cbus/gdc.c')
| -rw-r--r-- | sys/pc98/cbus/gdc.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/sys/pc98/cbus/gdc.c b/sys/pc98/cbus/gdc.c index c87274b..df3a3e7 100644 --- a/sys/pc98/cbus/gdc.c +++ b/sys/pc98/cbus/gdc.c @@ -456,6 +456,13 @@ probe_adapters(void) biosadapter[0].va_mode = biosadapter[0].va_initial_mode = biosadapter[0].va_initial_bios_mode; + if ((PC98_SYSTEM_PARAMETER(0x597) & 0x80) || + (PC98_SYSTEM_PARAMETER(0x458) & 0x80)) { + gdc_FH = (inb(0x9a8) & 1) ? _31KHZ : _24KHZ; + } else { + gdc_FH = _24KHZ; + } + gdc_get_info(&biosadapter[0], biosadapter[0].va_initial_mode, &info); initialize_gdc(T25_G400, info.vi_flags & V_INFO_GRAPHICS); @@ -568,15 +575,20 @@ static void initialize_gdc(unsigned int mode, int isGraph) s_mode = 2*mode+gdc_clock; gdc_INFO = m_mode; + master_gdc_wait_vsync(); + if ((PC98_SYSTEM_PARAMETER(0x597) & 0x80) || (PC98_SYSTEM_PARAMETER(0x458) & 0x80)) { - hsync_clock = (inb(0x9a8) & 1) ? _31KHZ : _24KHZ; + if (PC98_SYSTEM_PARAMETER(0x481) & 0x08) { + hsync_clock = (m_mode == _25L) ? _24KHZ : _31KHZ; + outb(0x9a8, (hsync_clock == _31KHZ) ? 1 : 0); + } else { + hsync_clock = gdc_FH; + } } else { hsync_clock = _24KHZ; } - master_gdc_wait_vsync(); - if ((gdc_clock == _2_5MHZ) && (slave_param[hsync_clock][s_mode][GDC_LF] > 400)) { outb(0x6a, 0x83); |
