Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/ieee488/upd7210.h
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1 /*- 2 * Copyright (c) 2005 Poul-Henning Kamp <phk@FreeBSD.org> 3 * Copyright (c) 2010 Joerg Wunsch <joerg@FreeBSD.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: releng/8.4/sys/dev/ieee488/upd7210.h 204491 2010-02-28 22:25:39Z joerg $ 28 * 29 * Locating an actual µPD7210 data book has proven quite impossible for me. 30 * There are a fair number of newer chips which are supersets of the µPD7210 31 * but they are particular eager to comprehensively mark what the extensions 32 * are and what is in the base set. Some even give the registers and their 33 * bits new names. 34 * 35 * The following information is based on a description of the µPD7210 found 36 * in an old manual for a VME board which used the chip. 37 */ 38 39 #ifndef _DEV_IEEE488_UPD7210_H_ 40 #define _DEV_IEEE488_UPD7210_H_ 41 #ifdef _KERNEL 42 43 struct upd7210; 44 struct ibfoo; 45 46 /* upd7210 interface definitions for HW drivers */ 47 48 typedef int upd7210_irq_t(struct upd7210 *, int); 49 50 struct upd7210 { 51 struct resource *reg_res[8]; 52 struct resource *irq_clear_res; 53 u_int reg_offset[8]; 54 int dmachan; 55 int unit; 56 int use_fifo; 57 58 /* private stuff */ 59 struct mtx mutex; 60 uint8_t rreg[8]; 61 uint8_t wreg[8 + 8]; 62 63 upd7210_irq_t *irq; 64 65 int busy; 66 u_char *buf; 67 size_t bufsize; 68 u_int buf_wp; 69 u_int buf_rp; 70 struct cdev *cdev; 71 72 struct ibfoo *ibfoo; 73 }; 74 75 #ifdef UPD7210_HW_DRIVER 76 void upd7210intr(void *); 77 void upd7210attach(struct upd7210 *); 78 void upd7210detach(struct upd7210 *); 79 #endif 80 81 #ifdef UPD7210_SW_DRIVER 82 83 /* upd7210 hardware definitions. */ 84 85 /* Write registers */ 86 enum upd7210_wreg { 87 CDOR = 0, /* Command/Data Out Register */ 88 IMR1 = 1, /* Interrupt Mask Register 1 */ 89 IMR2 = 2, /* Interrupt Mask Register 2 */ 90 SPMR = 3, /* Serial Poll Mode Register */ 91 ADMR = 4, /* ADdress Mode Register */ 92 AUXMR = 5, /* AUXilliary Mode Register */ 93 ICR = 5, /* Internal Counter Register */ 94 PPR = 5, /* Parallel Poll Register */ 95 AUXRA = 5, /* AUXilliary Register A */ 96 AUXRB = 5, /* AUXilliary Register B */ 97 AUXRE = 5, /* AUXilliary Register E */ 98 ADR = 6, /* ADdress Register */ 99 EOSR = 7, /* End-Of-String Register */ 100 }; 101 102 /* Read registers */ 103 enum upd7210_rreg { 104 DIR = 0, /* Data In Register */ 105 ISR1 = 1, /* Interrupt Status Register 1 */ 106 ISR2 = 2, /* Interrupt Status Register 2 */ 107 SPSR = 3, /* Serial Poll Status Register */ 108 ADSR = 4, /* ADdress Status Register */ 109 CPTR = 5, /* Command Pass Though Register */ 110 ADR0 = 6, /* ADdress Register 0 */ 111 ADR1 = 7, /* ADdress Register 1 */ 112 }; 113 114 /* Bits for ISR1 and IMR1 */ 115 #define IXR1_DI (1 << 0) /* Data In */ 116 #define IXR1_DO (1 << 1) /* Data Out */ 117 #define IXR1_ERR (1 << 2) /* Error */ 118 #define IXR1_DEC (1 << 3) /* Device Clear */ 119 #define IXR1_ENDRX (1 << 4) /* End Received */ 120 #define IXR1_DET (1 << 5) /* Device Execute Trigger */ 121 #define IXR1_APT (1 << 6) /* Address Pass-Through */ 122 #define IXR1_CPT (1 << 7) /* Command Pass-Through */ 123 124 /* Bits for ISR2 and IMR2 */ 125 #define IXR2_ADSC (1 << 0) /* Addressed Status Change */ 126 #define IXR2_REMC (1 << 1) /* Remote Change */ 127 #define IXR2_LOKC (1 << 2) /* Lockout Change */ 128 #define IXR2_CO (1 << 3) /* Command Out */ 129 #define ISR2_REM (1 << 4) /* Remove */ 130 #define IMR2_DMAI (1 << 4) /* DMA In Enable */ 131 #define ISR2_LOK (1 << 5) /* Lockout */ 132 #define IMR2_DMAO (1 << 5) /* DMA Out Enable */ 133 #define IXR2_SRQI (1 << 6) /* Service Request Input */ 134 #define ISR2_INT (1 << 7) /* Interrupt */ 135 136 #define SPSR_PEND (1 << 6) /* Pending */ 137 #define SPMR_RSV (1 << 6) /* Request SerVice */ 138 139 #define ADSR_MJMN (1 << 0) /* MaJor MiNor */ 140 #define ADSR_TA (1 << 1) /* Talker Active */ 141 #define ADSR_LA (1 << 2) /* Listener Active */ 142 #define ADSR_TPAS (1 << 3) /* Talker Primary Addr. State */ 143 #define ADSR_LPAS (1 << 4) /* Listener Primary Addr. State */ 144 #define ADSR_SPMS (1 << 5) /* Serial Poll Mode State */ 145 #define ADSR_ATN (1 << 6) /* Attention */ 146 #define ADSR_CIC (1 << 7) /* Controller In Charge */ 147 148 #define ADMR_ADM0 (1 << 0) /* Address Mode 0 */ 149 #define ADMR_ADM1 (1 << 1) /* Address Mode 1 */ 150 #define ADMR_TRM0 (1 << 4) /* Transmit/Receive Mode 0 */ 151 #define ADMR_TRM1 (1 << 5) /* Transmit/Receive Mode 1 */ 152 #define ADMR_LON (1 << 6) /* Listen Only */ 153 #define ADMR_TON (1 << 7) /* Talk Only */ 154 155 /* Constant part of overloaded write registers */ 156 #define C_ICR 0x20 157 #define C_PPR 0x60 158 #define C_AUXA 0x80 159 #define C_AUXB 0xa0 160 #define C_AUXE 0xc0 161 162 #define AUXMR_PON 0x00 /* Immediate Execute pon */ 163 #define AUXMR_CPP 0x01 /* Clear Parallel Poll */ 164 #define AUXMR_CRST 0x02 /* Chip Reset */ 165 #define AUXMR_RFD 0x03 /* Finish Handshake */ 166 #define AUXMR_TRIG 0x04 /* Trigger */ 167 #define AUXMR_RTL 0x05 /* Return to local */ 168 #define AUXMR_SEOI 0x06 /* Send EOI */ 169 #define AUXMR_NVSA 0x07 /* Non-Valid Secondary cmd/addr */ 170 /* 0x08 undefined/unknown */ 171 #define AUXMR_SPP 0x09 /* Set Parallel Poll */ 172 /* 0x0a undefined/unknown */ 173 /* 0x0b undefined/unknown */ 174 /* 0x0c undefined/unknown */ 175 /* 0x0d undefined/unknown */ 176 /* 0x0e undefined/unknown */ 177 #define AUXMR_VSA 0x0f /* Valid Secondary cmd/addr */ 178 #define AUXMR_GTS 0x10 /* Go to Standby */ 179 #define AUXMR_TCA 0x11 /* Take Control Async (pulsed) */ 180 #define AUXMR_TCS 0x12 /* Take Control Synchronously */ 181 #define AUXMR_LISTEN 0x13 /* Listen */ 182 #define AUXMR_DSC 0x14 /* Disable System Control */ 183 /* 0x15 undefined/unknown */ 184 #define AUXMR_SIFC 0x16 /* Set IFC */ 185 #define AUXMR_CREN 0x17 /* Clear REN */ 186 /* 0x18 undefined/unknown */ 187 /* 0x19 undefined/unknown */ 188 #define AUXMR_TCSE 0x1a /* Take Control Sync on End */ 189 #define AUXMR_LCM 0x1b /* Listen Continuously Mode */ 190 #define AUXMR_LUNL 0x1c /* Local Unlisten */ 191 #define AUXMR_EPP 0x1d /* Execute Parallel Poll */ 192 #define AUXMR_CIFC 0x1e /* Clear IFC */ 193 #define AUXMR_SREN 0x1f /* Set REN */ 194 195 #define PPR_U (1 << 4) /* Unconfigure */ 196 #define PPR_S (1 << 3) /* Status Polarity */ 197 198 #define AUXA_HLDA (1 << 0) /* Holdoff on All */ 199 #define AUXA_HLDE (1 << 1) /* Holdoff on END */ 200 #define AUXA_REOS (1 << 2) /* End on EOS received */ 201 #define AUXA_XEOS (1 << 3) /* Transmit END with EOS */ 202 #define AUXA_BIN (1 << 4) /* Binary */ 203 204 #define AUXB_CPTE (1 << 0) /* Cmd Pass Through Enable */ 205 #define AUXB_SPEOI (1 << 1) /* Send Serial Poll EOI */ 206 #define AUXB_TRI (1 << 2) /* Three-State Timing */ 207 #define AUXB_INV (1 << 3) /* Invert */ 208 #define AUXB_ISS (1 << 4) /* Individual Status Select */ 209 210 #define AUXE_DHDT (1 << 0) /* DAC Holdoff on DTAS */ 211 #define AUXE_DHDC (1 << 1) /* DAC Holdoff on DCAS */ 212 213 #define ADR0_DL0 (1 << 5) /* Disable Listener 0 */ 214 #define ADR0_DT0 (1 << 6) /* Disable Talker 0 */ 215 216 #define ADR_DL (1 << 5) /* Disable Listener */ 217 #define ADR_DT (1 << 6) /* Disable Talker */ 218 #define ADR_ARS (1 << 7) /* Address Register Select */ 219 220 #define ADR1_DL1 (1 << 5) /* Disable Listener 1 */ 221 #define ADR1_DT1 (1 << 6) /* Disable Talker 1 */ 222 #define ADR1_EOI (1 << 7) /* End or Identify */ 223 224 /* Stuff from software drivers */ 225 extern struct cdevsw gpib_ib_cdevsw; 226 227 /* Stuff from upd7210.c */ 228 void upd7210_print_isr(u_int isr1, u_int isr2); 229 u_int upd7210_rd(struct upd7210 *u, enum upd7210_rreg reg); 230 void upd7210_wr(struct upd7210 *u, enum upd7210_wreg reg, u_int val); 231 int upd7210_take_ctrl_async(struct upd7210 *u); 232 int upd7210_goto_standby(struct upd7210 *u); 233 234 #endif /* UPD7210_SW_DRIVER */ 235 236 #endif /* _KERNEL */ 237 #endif /* _DEV_IEEE488_UPD7210_H_ */
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