diff options
author | kato <kato@FreeBSD.org> | 1999-06-18 14:48:28 +0000 |
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committer | kato <kato@FreeBSD.org> | 1999-06-18 14:48:28 +0000 |
commit | fb2478efdbf1997a3b9b01a3485c4dd51a61921e (patch) | |
tree | cc97d58275fb62a88a84c35f8771d9b62e60716f /sys/pc98/cbus/ppcreg.h | |
parent | 72f8c1311e27806ce9eb0083b1c7fc2f556fd3a2 (diff) | |
download | FreeBSD-src-fb2478efdbf1997a3b9b01a3485c4dd51a61921e.zip FreeBSD-src-fb2478efdbf1997a3b9b01a3485c4dd51a61921e.tar.gz |
New parallel port support for PC98. Old PC98s which have
uni-directional parallel port should use olpt driver instead of lpt
driver.
Files ppc.c and ppcreg.h are copied form i386/isa directory with PC98
change.
Submitted by: Akio Morita <amorita@meadow.scphys.kyoto-u.ac.jp>
Diffstat (limited to 'sys/pc98/cbus/ppcreg.h')
-rw-r--r-- | sys/pc98/cbus/ppcreg.h | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/sys/pc98/cbus/ppcreg.h b/sys/pc98/cbus/ppcreg.h new file mode 100644 index 0000000..3acbbf6 --- /dev/null +++ b/sys/pc98/cbus/ppcreg.h @@ -0,0 +1,233 @@ +/*- + * Copyright (c) 1997 Nicolas Souchu + * 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. + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. + * + * $Id$ + * + */ +#ifndef __PPCREG_H +#define __PPCREG_H + +/* + * Parallel Port Chipset type. + */ +#define SMC_LIKE 0 +#define SMC_37C665GT 1 +#define SMC_37C666GT 2 +#define NS_PC87332 3 +#define NS_PC87306 4 +#define INTEL_820191AA 5 /* XXX not implemented */ +#define GENERIC 6 +#define WINB_W83877F 7 +#define WINB_W83877AF 8 +#define WINB_UNKNOWN 9 +#define NS_PC87334 10 + +/* + * Generic structure to hold parallel port chipset info. + */ +struct ppc_data { + + int ppc_unit; + int ppc_type; + + int ppc_mode; /* chipset current mode */ + int ppc_avm; /* chipset available modes */ + +#define PPC_IRQ_NONE 0x0 +#define PPC_IRQ_nACK 0x1 +#define PPC_IRQ_DMA 0x2 +#define PPC_IRQ_FIFO 0x4 +#define PPC_IRQ_nFAULT 0x8 + int ppc_irqstat; /* remind irq settings */ + +#define PPC_DMA_INIT 0x01 +#define PPC_DMA_STARTED 0x02 +#define PPC_DMA_COMPLETE 0x03 +#define PPC_DMA_INTERRUPTED 0x04 +#define PPC_DMA_ERROR 0x05 + int ppc_dmastat; /* dma state */ + int ppc_dmachan; /* dma channel */ + int ppc_dmaflags; /* dma transfer flags */ + caddr_t ppc_dmaddr; /* buffer address */ + u_int ppc_dmacnt; /* count of bytes sent with dma */ + +#define PPC_PWORD_MASK 0x30 +#define PPC_PWORD_16 0x00 +#define PPC_PWORD_8 0x10 +#define PPC_PWORD_32 0x20 + char ppc_pword; /* PWord size */ + short ppc_fifo; /* FIFO threshold */ + + short ppc_wthr; /* writeIntrThresold */ + short ppc_rthr; /* readIntrThresold */ + +#define ppc_base ppc_link.base +#define ppc_epp ppc_link.epp_protocol +#define ppc_irq ppc_link.id_irq +#define ppc_subm ppc_link.submicroseq +#define ppc_ptr ppc_link.ptr +#define ppc_accum ppc_link.accum + + unsigned char ppc_flags; + + struct ppb_link ppc_link; +}; + +/* + * Parallel Port Chipset registers. + */ +#define PPC_SPP_DTR 0 /* SPP data register */ +#define PPC_ECP_A_FIFO 0 /* ECP Address fifo register */ +#define PPC_SPP_STR 1 /* SPP status register */ +#define PPC_SPP_CTR 2 /* SPP control register */ +#define PPC_EPP_ADDR 3 /* EPP address register (8 bit) */ +#define PPC_EPP_DATA 4 /* EPP data register (8, 16 or 32 bit) */ +#ifdef PC98 +#define PPC_1284_ENABLE 0x09 /* IEEE STD 1284 Enable register */ +#define PPC_ECP_D_FIFO 0x0c /* ECP Data fifo register */ +#define PPC_ECP_CNFGA 0x0c /* Configuration register A */ +#define PPC_ECP_CNFGB 0x0d /* Configuration register B */ +#define PPC_ECP_ECR 0x0e /* ECP extended control register */ +#else +#define PPC_ECP_D_FIFO 0x400 /* ECP Data fifo register */ +#define PPC_ECP_CNFGA 0x400 /* Configuration register A */ +#define PPC_ECP_CNFGB 0x401 /* Configuration register B */ +#define PPC_ECP_ECR 0x402 /* ECP extended control register */ +#endif + +#define PPC_FIFO_EMPTY 0x1 /* ecr register - bit 0 */ +#define PPC_FIFO_FULL 0x2 /* ecr register - bit 1 */ +#define PPC_SERVICE_INTR 0x4 /* ecr register - bit 2 */ +#define PPC_ENABLE_DMA 0x8 /* ecr register - bit 3 */ +#define PPC_nFAULT_INTR 0x10 /* ecr register - bit 4 */ +#define PPC_ECR_STD 0x0 +#define PPC_ECR_PS2 0x20 +#define PPC_ECR_FIFO 0x40 +#define PPC_ECR_ECP 0x60 +#define PPC_ECR_EPP 0x80 + +#define PPC_DISABLE_INTR (PPC_SERVICE_INTR | PPC_nFAULT_INTR) +#define PPC_ECR_RESET (PPC_ECR_PS2 | PPC_DISABLE_INTR) + +#define r_dtr(ppc) (inb((ppc)->ppc_base + PPC_SPP_DTR)) +#define r_str(ppc) (inb((ppc)->ppc_base + PPC_SPP_STR)) +#define r_ctr(ppc) (inb((ppc)->ppc_base + PPC_SPP_CTR)) +#define r_epp_A(ppc) (inb((ppc)->ppc_base + PPC_EPP_ADDR)) +#define r_epp_D(ppc) (inb((ppc)->ppc_base + PPC_EPP_DATA)) +#define r_cnfgA(ppc) (inb((ppc)->ppc_base + PPC_ECP_CNFGA)) +#define r_cnfgB(ppc) (inb((ppc)->ppc_base + PPC_ECP_CNFGB)) +#define r_ecr(ppc) (inb((ppc)->ppc_base + PPC_ECP_ECR)) +#define r_fifo(ppc) (inb((ppc)->ppc_base + PPC_ECP_D_FIFO)) + +#define w_dtr(ppc,byte) outb((ppc)->ppc_base + PPC_SPP_DTR, byte) +#define w_str(ppc,byte) outb((ppc)->ppc_base + PPC_SPP_STR, byte) +#define w_ctr(ppc,byte) outb((ppc)->ppc_base + PPC_SPP_CTR, byte) +#define w_epp_A(ppc,byte) outb((ppc)->ppc_base + PPC_EPP_ADDR, byte) +#define w_epp_D(ppc,byte) outb((ppc)->ppc_base + PPC_EPP_DATA, byte) +#define w_ecr(ppc,byte) outb((ppc)->ppc_base + PPC_ECP_ECR, byte) +#define w_fifo(ppc,byte) outb((ppc)->ppc_base + PPC_ECP_D_FIFO, byte) + +/* + * Register defines for the PC873xx parts + */ + +#define PC873_FER 0x00 +#define PC873_PPENABLE (1<<0) +#define PC873_FAR 0x01 +#define PC873_PTR 0x02 +#define PC873_CFGLOCK (1<<6) +#define PC873_EPPRDIR (1<<7) +#define PC873_EXTENDED (1<<7) +#define PC873_LPTBIRQ7 (1<<3) +#define PC873_FCR 0x03 +#define PC873_ZWS (1<<5) +#define PC873_ZWSPWDN (1<<6) +#define PC873_PCR 0x04 +#define PC873_EPPEN (1<<0) +#define PC873_EPP19 (1<<1) +#define PC873_ECPEN (1<<2) +#define PC873_ECPCLK (1<<3) +#define PC873_PMC 0x06 +#define PC873_TUP 0x07 +#define PC873_SID 0x08 +#define PC873_PNP0 0x1b +#define PC873_PNP1 0x1c +#define PC873_LPTBA 0x19 + +/* + * Register defines for the SMC FDC37C66xGT parts + */ + +/* Init codes */ +#define SMC665_iCODE 0x55 +#define SMC666_iCODE 0x44 + +/* Base configuration ports */ +#define SMC66x_CSR 0x3F0 +#define SMC666_CSR 0x370 /* hard-configured value for 666 */ + +/* Bits */ +#define SMC_CR1_ADDR 0x3 /* bit 0 and 1 */ +#define SMC_CR1_MODE (1<<3) /* bit 3 */ +#define SMC_CR4_EMODE 0x3 /* bits 0 and 1 */ +#define SMC_CR4_EPPTYPE (1<<6) /* bit 6 */ + +/* Extended modes */ +#define SMC_SPP 0x0 /* SPP */ +#define SMC_EPPSPP 0x1 /* EPP and SPP */ +#define SMC_ECP 0x2 /* ECP */ +#define SMC_ECPEPP 0x3 /* ECP and EPP */ + +/* + * Register defines for the Winbond W83877F parts + */ + +#define WINB_W83877F_ID 0xa +#define WINB_W83877AF_ID 0xb + +/* Configuration bits */ +#define WINB_HEFERE (1<<5) /* CROC bit 5 */ +#define WINB_HEFRAS (1<<0) /* CR16 bit 0 */ + +#define WINB_PNPCVS (1<<2) /* CR16 bit 2 */ +#define WINB_CHIPID 0xf /* CR9 bits 0-3 */ + +#define WINB_PRTMODS0 (1<<2) /* CR0 bit 2 */ +#define WINB_PRTMODS1 (1<<3) /* CR0 bit 3 */ +#define WINB_PRTMODS2 (1<<7) /* CR9 bit 7 */ + +/* W83877F modes: CR9/bit7 | CR0/bit3 | CR0/bit2 */ +#define WINB_W83757 0x0 +#define WINB_EXTFDC 0x4 +#define WINB_EXTADP 0x8 +#define WINB_EXT2FDD 0xc +#define WINB_JOYSTICK 0x80 + +#define WINB_PARALLEL 0x80 +#define WINB_EPP_SPP 0x4 +#define WINB_ECP 0x8 +#define WINB_ECP_EPP 0xc + +#endif |