1/*- 2 * Copyright (c) 2005 Poul-Henning Kamp <phk@FreeBSD.org>
| 1/*- 2 * Copyright (c) 2005 Poul-Henning Kamp <phk@FreeBSD.org>
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| 3 * Copyright (c) 2010 Joerg Wunsch <joerg@FreeBSD.org>
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3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * Driver for GPIB cards based on NEC �PD7210 and compatibles. 27 * 28 * This driver just hooks up to the hardware and leaves all the interesting 29 * stuff to upd7210.c. 30 * 31 * Supported hardware: 32 * PCIIA compatible cards. 33 * 34 * Tested and known working: 35 * "B&C Microsystems PC488A-0"
| 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 * Driver for GPIB cards based on NEC �PD7210 and compatibles. 28 * 29 * This driver just hooks up to the hardware and leaves all the interesting 30 * stuff to upd7210.c. 31 * 32 * Supported hardware: 33 * PCIIA compatible cards. 34 * 35 * Tested and known working: 36 * "B&C Microsystems PC488A-0"
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| 37 * "National Instruments GPIB-PCII/PCIIA" (in PCIIa mode) 38 * "Axiom AX5488"
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36 * 37 */ 38 39#include <sys/cdefs.h>
| 39 * 40 */ 41 42#include <sys/cdefs.h>
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40__FBSDID("$FreeBSD: head/sys/dev/ieee488/pcii.c 166914 2007-02-23 19:34:52Z imp $");
| 43__FBSDID("$FreeBSD: head/sys/dev/ieee488/pcii.c 202870 2010-01-23 07:54:06Z joerg $");
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41 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/lock.h> 45#include <sys/mutex.h> 46#include <sys/kernel.h> 47#include <sys/module.h> 48#include <sys/bus.h> 49#include <machine/bus.h> 50#include <machine/resource.h> 51#include <sys/rman.h> 52#include <isa/isavar.h> 53 54#define UPD7210_HW_DRIVER 55#include <dev/ieee488/upd7210.h> 56 57struct pcii_softc { 58 int foo;
| 44 45#include <sys/param.h> 46#include <sys/systm.h> 47#include <sys/lock.h> 48#include <sys/mutex.h> 49#include <sys/kernel.h> 50#include <sys/module.h> 51#include <sys/bus.h> 52#include <machine/bus.h> 53#include <machine/resource.h> 54#include <sys/rman.h> 55#include <isa/isavar.h> 56 57#define UPD7210_HW_DRIVER 58#include <dev/ieee488/upd7210.h> 59 60struct pcii_softc { 61 int foo;
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59 struct resource *res[3];
| 62 struct resource *res[11];
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60 void *intr_handler; 61 struct upd7210 upd7210; 62}; 63 64static devclass_t pcii_devclass; 65 66static int pcii_probe(device_t dev); 67static int pcii_attach(device_t dev); 68 69static device_method_t pcii_methods[] = { 70 DEVMETHOD(device_probe, pcii_probe), 71 DEVMETHOD(device_attach, pcii_attach), 72 DEVMETHOD(device_suspend, bus_generic_suspend), 73 DEVMETHOD(device_resume, bus_generic_resume), 74 75 { 0, 0 } 76}; 77 78static struct resource_spec pcii_res_spec[] = { 79 { SYS_RES_IRQ, 0, RF_ACTIVE | RF_SHAREABLE}, 80 { SYS_RES_DRQ, 0, RF_ACTIVE | RF_SHAREABLE | RF_OPTIONAL}, 81 { SYS_RES_IOPORT, 0, RF_ACTIVE},
| 63 void *intr_handler; 64 struct upd7210 upd7210; 65}; 66 67static devclass_t pcii_devclass; 68 69static int pcii_probe(device_t dev); 70static int pcii_attach(device_t dev); 71 72static device_method_t pcii_methods[] = { 73 DEVMETHOD(device_probe, pcii_probe), 74 DEVMETHOD(device_attach, pcii_attach), 75 DEVMETHOD(device_suspend, bus_generic_suspend), 76 DEVMETHOD(device_resume, bus_generic_resume), 77 78 { 0, 0 } 79}; 80 81static struct resource_spec pcii_res_spec[] = { 82 { SYS_RES_IRQ, 0, RF_ACTIVE | RF_SHAREABLE}, 83 { SYS_RES_DRQ, 0, RF_ACTIVE | RF_SHAREABLE | RF_OPTIONAL}, 84 { SYS_RES_IOPORT, 0, RF_ACTIVE},
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| 85 { SYS_RES_IOPORT, 1, RF_ACTIVE}, 86 { SYS_RES_IOPORT, 2, RF_ACTIVE}, 87 { SYS_RES_IOPORT, 3, RF_ACTIVE}, 88 { SYS_RES_IOPORT, 4, RF_ACTIVE}, 89 { SYS_RES_IOPORT, 5, RF_ACTIVE}, 90 { SYS_RES_IOPORT, 6, RF_ACTIVE}, 91 { SYS_RES_IOPORT, 7, RF_ACTIVE}, 92 { SYS_RES_IOPORT, 8, RF_ACTIVE | RF_SHAREABLE},
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82 { -1, 0, 0 } 83}; 84 85static driver_t pcii_driver = { 86 "pcii", 87 pcii_methods, 88 sizeof(struct pcii_softc), 89}; 90 91static int 92pcii_probe(device_t dev) 93{ 94 int rid, i, j;
| 93 { -1, 0, 0 } 94}; 95 96static driver_t pcii_driver = { 97 "pcii", 98 pcii_methods, 99 sizeof(struct pcii_softc), 100}; 101 102static int 103pcii_probe(device_t dev) 104{ 105 int rid, i, j;
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95 u_long start, count;
| 106 u_long start, count, addr;
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96 int error = 0; 97 struct pcii_softc *sc; 98 99 device_set_desc(dev, "PCII IEEE-4888 controller"); 100 sc = device_get_softc(dev); 101 102 rid = 0; 103 if (bus_get_resource(dev, SYS_RES_IOPORT, rid, &start, &count) != 0) 104 return ENXIO;
| 107 int error = 0; 108 struct pcii_softc *sc; 109 110 device_set_desc(dev, "PCII IEEE-4888 controller"); 111 sc = device_get_softc(dev); 112 113 rid = 0; 114 if (bus_get_resource(dev, SYS_RES_IOPORT, rid, &start, &count) != 0) 115 return ENXIO;
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105 if ((start & 0x3ff) != 0x2e1)
| 116 /* 117 * The PCIIA decodes a fixed pattern of 0x2e1 for the lower 10 118 * address bits A0 ... A9. Bits A10 through A12 are used by 119 * the �PD7210 register select lines. This makes the 120 * individual 7210 register being 0x400 bytes apart in the ISA 121 * bus address space. Address bits A13 and A14 are compared 122 * to a DIP switch setting on the card, allowing for up to 4 123 * different cards being installed (at base addresses 0x2e1, 124 * 0x22e1, 0x42e1, and 0x62e1, respectively). A15 has been 125 * used to select an optional on-board time-of-day clock chip 126 * (MM58167A) on the original PCIIA rather than the �PD7210 127 * (which is not implemented on later boards). The 128 * documentation states the respective addresses for that chip 129 * should be handled as reserved addresses, which we don't do 130 * (right now). Finally, the IO addresses 0x2f0 ... 0x2f7 for 131 * a "special interrupt handling feature" (re-enable 132 * interrupts so the IRQ can be shared). 133 * 134 * Usually, the user will only set the base address in the 135 * device hints, so we handle the rest here. 136 * 137 * (Source: GPIB-PCIIA Technical Reference Manual, September 138 * 1989 Edition, National Instruments.) 139 */ 140 if ((start & 0x3ff) != 0x2e1) { 141 printf("pcii_probe: PCIIA base address 0x%lx not " 142 "0x2e1/0x22e1/0x42e1/0x62e1\n", 143 start);
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106 return (ENXIO);
| 144 return (ENXIO);
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107 count = 1; 108 if (bus_set_resource(dev, SYS_RES_IOPORT, rid, start, count) != 0)
| 145 } 146 147 for (rid = 0, addr = start; rid < 8; rid++, addr += 0x400) { 148 if (bus_set_resource(dev, SYS_RES_IOPORT, rid, addr, 1) != 0) { 149 printf("pcii_probe: could not set IO port 0x%lx\n", 150 addr); 151 return (ENXIO); 152 } 153 } 154 if (bus_get_resource(dev, SYS_RES_IRQ, 0, &start, &count) != 0) { 155 printf("pcii_probe: cannot obtain IRQ level\n");
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109 return ENXIO;
| 156 return ENXIO;
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| 157 } 158 if (start > 7) { 159 printf("pcii_probe: IRQ level %lu too high\n", start); 160 return ENXIO; 161 } 162 163 if (bus_set_resource(dev, SYS_RES_IOPORT, 8, 0x2f0 + start, 1) != 0) { 164 printf("pcii_probe: could not set IO port 0x%3lx\n", 165 0x2f0 + start); 166 return (ENXIO); 167 } 168
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110 error = bus_alloc_resources(dev, pcii_res_spec, sc->res);
| 169 error = bus_alloc_resources(dev, pcii_res_spec, sc->res);
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111 if (error)
| 170 if (error) { 171 printf("pcii_probe: Could not allocate resources\n");
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112 return (error);
| 172 return (error);
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| 173 }
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113 error = ENXIO;
| 174 error = ENXIO;
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| 175 /* 176 * Perform some basic tests on the �PD7210 registers. At 177 * least *some* register must read different from 0x00 or 178 * 0xff. 179 */
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114 for (i = 0; i < 8; i++) {
| 180 for (i = 0; i < 8; i++) {
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115 j = bus_read_1(sc->res[2], i * 0x400);
| 181 j = bus_read_1(sc->res[2 + i], 0);
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116 if (j != 0x00 && j != 0xff) 117 error = 0; 118 }
| 182 if (j != 0x00 && j != 0xff) 183 error = 0; 184 }
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| 185 /* SPSR/SPMR read/write test */
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119 if (!error) {
| 186 if (!error) {
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120 bus_write_1(sc->res[2], 3 * 0x400, 0x55); 121 if (bus_read_1(sc->res[2], 3 * 0x400) != 0x55)
| 187 bus_write_1(sc->res[2 + 3], 0, 0x55); 188 if (bus_read_1(sc->res[2 + 3], 0) != 0x55)
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122 error = ENXIO; 123 } 124 if (!error) {
| 189 error = ENXIO; 190 } 191 if (!error) {
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125 bus_write_1(sc->res[2], 3 * 0x400, 0xaa); 126 if (bus_read_1(sc->res[2], 3 * 0x400) != 0xaa)
| 192 bus_write_1(sc->res[2 + 3], 0, 0xaa); 193 if (bus_read_1(sc->res[2 + 3], 0) != 0xaa)
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127 error = ENXIO; 128 }
| 194 error = ENXIO; 195 }
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| 196 if (error) 197 printf("pcii_probe: probe failure\n"); 198
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129 bus_release_resources(dev, pcii_res_spec, sc->res); 130 return (error); 131} 132 133static int 134pcii_attach(device_t dev) 135{ 136 struct pcii_softc *sc;
| 199 bus_release_resources(dev, pcii_res_spec, sc->res); 200 return (error); 201} 202 203static int 204pcii_attach(device_t dev) 205{ 206 struct pcii_softc *sc;
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| 207 u_long start, count;
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137 int unit; 138 int rid; 139 int error = 0; 140 141 unit = device_get_unit(dev); 142 sc = device_get_softc(dev); 143 memset(sc, 0, sizeof *sc); 144 145 device_set_desc(dev, "PCII IEEE-4888 controller"); 146
| 208 int unit; 209 int rid; 210 int error = 0; 211 212 unit = device_get_unit(dev); 213 sc = device_get_softc(dev); 214 memset(sc, 0, sizeof *sc); 215 216 device_set_desc(dev, "PCII IEEE-4888 controller"); 217
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| 218 if (bus_get_resource(dev, SYS_RES_IRQ, 0, &start, &count) != 0) { 219 printf("pcii_attach: cannot obtain IRQ number\n"); 220 return ENXIO; 221 } 222
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147 error = bus_alloc_resources(dev, pcii_res_spec, sc->res); 148 if (error) 149 return (error); 150 151 error = bus_setup_intr(dev, sc->res[0], 152 INTR_TYPE_MISC | INTR_MPSAFE, NULL, 153 upd7210intr, &sc->upd7210, &sc->intr_handler); 154 if (error) { 155 bus_release_resources(dev, pcii_res_spec, sc->res); 156 return (error); 157 } 158 159 for (rid = 0; rid < 8; rid++) {
| 223 error = bus_alloc_resources(dev, pcii_res_spec, sc->res); 224 if (error) 225 return (error); 226 227 error = bus_setup_intr(dev, sc->res[0], 228 INTR_TYPE_MISC | INTR_MPSAFE, NULL, 229 upd7210intr, &sc->upd7210, &sc->intr_handler); 230 if (error) { 231 bus_release_resources(dev, pcii_res_spec, sc->res); 232 return (error); 233 } 234 235 for (rid = 0; rid < 8; rid++) {
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160 sc->upd7210.reg_res[rid] = sc->res[2]; 161 sc->upd7210.reg_offset[rid] = 0x400 * rid;
| 236 sc->upd7210.reg_res[rid] = sc->res[2 + rid];
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162 }
| 237 }
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| 238 sc->upd7210.irq_clear_res = sc->res[10];
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163 164 if (sc->res[1] == NULL) 165 sc->upd7210.dmachan = -1; 166 else 167 sc->upd7210.dmachan = rman_get_start(sc->res[1]); 168 169 upd7210attach(&sc->upd7210); 170 return (error); 171} 172 173DRIVER_MODULE(pcii, isa, pcii_driver, pcii_devclass, 0, 0); 174DRIVER_MODULE(pcii, acpi, pcii_driver, pcii_devclass, 0, 0);
| 239 240 if (sc->res[1] == NULL) 241 sc->upd7210.dmachan = -1; 242 else 243 sc->upd7210.dmachan = rman_get_start(sc->res[1]); 244 245 upd7210attach(&sc->upd7210); 246 return (error); 247} 248 249DRIVER_MODULE(pcii, isa, pcii_driver, pcii_devclass, 0, 0); 250DRIVER_MODULE(pcii, acpi, pcii_driver, pcii_devclass, 0, 0);
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