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- /*
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * Copyright (c) 1996, Sujal M. Patel
- * 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.
- *
- * from: pnp.c,v 1.11 1999/05/06 22:11:19 peter Exp
- */
- #include <sys/param.h>
- #include <sys/systm.h>
- #include <sys/kernel.h>
- #include <sys/module.h>
- #include <sys/bus.h>
- #include <sys/endian.h>
- #include <sys/malloc.h>
- #include <isa/isavar.h>
- #include <isa/pnpreg.h>
- #include <isa/pnpvar.h>
- #include <machine/bus.h>
- typedef struct _pnp_id {
- uint32_t vendor_id;
- uint32_t serial;
- u_char checksum;
- } pnp_id;
- struct pnp_set_config_arg {
- int csn; /* Card number to configure */
- int ldn; /* Logical device on card */
- };
- struct pnp_quirk {
- uint32_t vendor_id; /* Vendor of the card */
- uint32_t logical_id; /* ID of the device with quirk */
- int type;
- #define PNP_QUIRK_WRITE_REG 1 /* Need to write a pnp register */
- #define PNP_QUIRK_EXTRA_IO 2 /* Has extra io ports */
- int arg1;
- int arg2;
- };
- struct pnp_quirk pnp_quirks[] = {
- /*
- * The Gravis UltraSound needs register 0xf2 to be set to 0xff
- * to enable power.
- * XXX need to know the logical device id.
- */
- { 0x0100561e /* GRV0001 */, 0,
- PNP_QUIRK_WRITE_REG, 0xf2, 0xff },
- /*
- * An emu8000 does not give us other than the first
- * port.
- */
- { 0x26008c0e /* SB16 */, 0x21008c0e,
- PNP_QUIRK_EXTRA_IO, 0x400, 0x800 },
- { 0x42008c0e /* SB32(CTL0042) */, 0x21008c0e,
- PNP_QUIRK_EXTRA_IO, 0x400, 0x800 },
- { 0x44008c0e /* SB32(CTL0044) */, 0x21008c0e,
- PNP_QUIRK_EXTRA_IO, 0x400, 0x800 },
- { 0x49008c0e /* SB32(CTL0049) */, 0x21008c0e,
- PNP_QUIRK_EXTRA_IO, 0x400, 0x800 },
- { 0xf1008c0e /* SB32(CTL00f1) */, 0x21008c0e,
- PNP_QUIRK_EXTRA_IO, 0x400, 0x800 },
- { 0xc1008c0e /* SB64(CTL00c1) */, 0x22008c0e,
- PNP_QUIRK_EXTRA_IO, 0x400, 0x800 },
- { 0xc5008c0e /* SB64(CTL00c5) */, 0x22008c0e,
- PNP_QUIRK_EXTRA_IO, 0x400, 0x800 },
- { 0xe4008c0e /* SB64(CTL00e4) */, 0x22008c0e,
- PNP_QUIRK_EXTRA_IO, 0x400, 0x800 },
- { 0 }
- };
- /* The READ_DATA port that we are using currently */
- static int pnp_rd_port;
- static void pnp_send_initiation_key(void);
- static int pnp_get_serial(pnp_id *p);
- static int pnp_isolation_protocol(device_t parent);
- static void
- pnp_write(int d, u_char r)
- {
- outb (_PNP_ADDRESS, d);
- outb (_PNP_WRITE_DATA, r);
- }
- /*
- * Send Initiation LFSR as described in "Plug and Play ISA Specification",
- * Intel May 94.
- */
- static void
- pnp_send_initiation_key(void)
- {
- int cur, i;
- /* Reset the LSFR */
- outb(_PNP_ADDRESS, 0);
- outb(_PNP_ADDRESS, 0); /* yes, we do need it twice! */
- cur = 0x6a;
- outb(_PNP_ADDRESS, cur);
- for (i = 1; i < 32; i++) {
- cur = (cur >> 1) | (((cur ^ (cur >> 1)) << 7) & 0xff);
- outb(_PNP_ADDRESS, cur);
- }
- }
- /*
- * Get the device's serial number. Returns 1 if the serial is valid.
- */
- static int
- pnp_get_serial(pnp_id *p)
- {
- int i, bit, valid = 0, sum = 0x6a;
- u_char *data = (u_char *)p;
- bzero(data, sizeof(char) * 9);
- outb(_PNP_ADDRESS, PNP_SERIAL_ISOLATION);
- for (i = 0; i < 72; i++) {
- bit = inb((pnp_rd_port << 2) | 0x3) == 0x55;
- DELAY(250); /* Delay 250 usec */
- /* Can't Short Circuit the next evaluation, so 'and' is last */
- bit = (inb((pnp_rd_port << 2) | 0x3) == 0xaa) && bit;
- DELAY(250); /* Delay 250 usec */
- valid = valid || bit;
- if (i < 64)
- sum = (sum >> 1) |
- (((sum ^ (sum >> 1) ^ bit) << 7) & 0xff);
- data[i / 8] = (data[i / 8] >> 1) | (bit ? 0x80 : 0);
- }
- valid = valid && (data[8] == sum);
- return (valid);
- }
- /*
- * Fill's the buffer with resource info from the device.
- * Returns the number of characters read.
- */
- static int
- pnp_get_resource_info(u_char *buffer, int len)
- {
- int i, j, count;
- u_char temp;
- count = 0;
- for (i = 0; i < len; i++) {
- outb(_PNP_ADDRESS, PNP_STATUS);
- for (j = 0; j < 100; j++) {
- if ((inb((pnp_rd_port << 2) | 0x3)) & 0x1)
- break;
- DELAY(10);
- }
- if (j == 100) {
- printf("PnP device failed to report resource data\n");
- return (count);
- }
- outb(_PNP_ADDRESS, PNP_RESOURCE_DATA);
- temp = inb((pnp_rd_port << 2) | 0x3);
- if (buffer != NULL)
- buffer[i] = temp;
- count++;
- }
- return (count);
- }
- /*
- * This function is called after the bus has assigned resource
- * locations for a logical device.
- */
- static void
- pnp_set_config(void *arg, struct isa_config *config, int enable)
- {
- int csn = ((struct pnp_set_config_arg *) arg)->csn;
- int ldn = ((struct pnp_set_config_arg *) arg)->ldn;
- int i;
- /*
- * First put all cards into Sleep state with the initiation
- * key, then put our card into Config state.
- */
- pnp_send_initiation_key();
- pnp_write(PNP_WAKE, csn);
- /*
- * Select our logical device so that we can program it.
- */
- pnp_write(PNP_SET_LDN, ldn);
- /*
- * Constrain the number of resources we will try to program
- */
- if (config->ic_nmem > ISA_PNP_NMEM) {
- printf("too many ISA memory ranges (%d > %d)\n",
- config->ic_nmem, ISA_PNP_NMEM);
- config->ic_nmem = ISA_PNP_NMEM;
- }
- if (config->ic_nport > ISA_PNP_NPORT) {
- printf("too many ISA I/O ranges (%d > %d)\n", config->ic_nport,
- ISA_PNP_NPORT);
- config->ic_nport = ISA_PNP_NPORT;
- }
- if (config->ic_nirq > ISA_PNP_NIRQ) {
- printf("too many ISA IRQs (%d > %d)\n", config->ic_nirq,
- ISA_PNP_NIRQ);
- config->ic_nirq = ISA_PNP_NIRQ;
- }
- if (config->ic_ndrq > ISA_PNP_NDRQ) {
- printf("too many ISA DRQs (%d > %d)\n", config->ic_ndrq,
- ISA_PNP_NDRQ);
- config->ic_ndrq = ISA_PNP_NDRQ;
- }
- /*
- * Now program the resources.
- */
- for (i = 0; i < config->ic_nmem; i++) {
- uint32_t start;
- uint32_t size;
- /* XXX: should handle memory control register, 32 bit memory */
- if (config->ic_mem[i].ir_size == 0) {
- pnp_write(PNP_MEM_BASE_HIGH(i), 0);
- pnp_write(PNP_MEM_BASE_LOW(i), 0);
- pnp_write(PNP_MEM_RANGE_HIGH(i), 0);
- pnp_write(PNP_MEM_RANGE_LOW(i), 0);
- } else {
- start = config->ic_mem[i].ir_start;
- size = config->ic_mem[i].ir_size;
- if (start & 0xff)
- panic("pnp_set_config: bogus memory assignment");
- pnp_write(PNP_MEM_BASE_HIGH(i), (start >> 16) & 0xff);
- pnp_write(PNP_MEM_BASE_LOW(i), (start >> 8) & 0xff);
- pnp_write(PNP_MEM_RANGE_HIGH(i), (size >> 16) & 0xff);
- pnp_write(PNP_MEM_RANGE_LOW(i), (size >> 8) & 0xff);
- }
- }
- for (; i < ISA_PNP_NMEM; i++) {
- pnp_write(PNP_MEM_BASE_HIGH(i), 0);
- pnp_write(PNP_MEM_BASE_LOW(i), 0);
- pnp_write(PNP_MEM_RANGE_HIGH(i), 0);
- pnp_write(PNP_MEM_RANGE_LOW(i), 0);
- }
- for (i = 0; i < config->ic_nport; i++) {
- uint32_t start;
- if (config->ic_port[i].ir_size == 0) {
- pnp_write(PNP_IO_BASE_HIGH(i), 0);
- pnp_write(PNP_IO_BASE_LOW(i), 0);
- } else {
- start = config->ic_port[i].ir_start;
- pnp_write(PNP_IO_BASE_HIGH(i), (start >> 8) & 0xff);
- pnp_write(PNP_IO_BASE_LOW(i), (start >> 0) & 0xff);
- }
- }
- for (; i < ISA_PNP_NPORT; i++) {
- pnp_write(PNP_IO_BASE_HIGH(i), 0);
- pnp_write(PNP_IO_BASE_LOW(i), 0);
- }
- for (i = 0; i < config->ic_nirq; i++) {
- int irq;
- /* XXX: interrupt type */
- if (config->ic_irqmask[i] == 0) {
- pnp_write(PNP_IRQ_LEVEL(i), 0);
- pnp_write(PNP_IRQ_TYPE(i), 2);
- } else {
- irq = ffs(config->ic_irqmask[i]) - 1;
- pnp_write(PNP_IRQ_LEVEL(i), irq);
- pnp_write(PNP_IRQ_TYPE(i), 2); /* XXX */
- }
- }
- for (; i < ISA_PNP_NIRQ; i++) {
- /*
- * IRQ 0 is not a valid interrupt selection and
- * represents no interrupt selection.
- */
- pnp_write(PNP_IRQ_LEVEL(i), 0);
- pnp_write(PNP_IRQ_TYPE(i), 2);
- }
- for (i = 0; i < config->ic_ndrq; i++) {
- int drq;
- if (config->ic_drqmask[i] == 0) {
- pnp_write(PNP_DMA_CHANNEL(i), 4);
- } else {
- drq = ffs(config->ic_drqmask[i]) - 1;
- pnp_write(PNP_DMA_CHANNEL(i), drq);
- }
- }
- for (; i < ISA_PNP_NDRQ; i++) {
- /*
- * DMA channel 4, the cascade channel is used to
- * indicate no DMA channel is active.
- */
- pnp_write(PNP_DMA_CHANNEL(i), 4);
- }
- pnp_write(PNP_ACTIVATE, enable ? 1 : 0);
- /*
- * Wake everyone up again, we are finished.
- */
- pnp_write(PNP_CONFIG_CONTROL, PNP_CONFIG_CONTROL_WAIT_FOR_KEY);
- }
- /*
- * Process quirks for a logical device.. The card must be in Config state.
- */
- void
- pnp_check_quirks(uint32_t vendor_id, uint32_t logical_id, int ldn,
- struct isa_config *config)
- {
- struct pnp_quirk *qp;
- for (qp = &pnp_quirks[0]; qp->vendor_id; qp++) {
- if (qp->vendor_id == vendor_id
- && (qp->logical_id == 0 || qp->logical_id == logical_id)) {
- switch (qp->type) {
- case PNP_QUIRK_WRITE_REG:
- pnp_write(PNP_SET_LDN, ldn);
- pnp_write(qp->arg1, qp->arg2);
- break;
- case PNP_QUIRK_EXTRA_IO:
- if (config == NULL)
- break;
- if (qp->arg1 != 0) {
- config->ic_nport++;
- config->ic_port[config->ic_nport - 1] = config->ic_port[0];
- config->ic_port[config->ic_nport - 1].ir_start += qp->arg1;
- config->ic_port[config->ic_nport - 1].ir_end += qp->arg1;
- }
- if (qp->arg2 != 0) {
- config->ic_nport++;
- config->ic_port[config->ic_nport - 1] = config->ic_port[0];
- config->ic_port[config->ic_nport - 1].ir_start += qp->arg2;
- config->ic_port[config->ic_nport - 1].ir_end += qp->arg2;
- }
- break;
- }
- }
- }
- }
- /*
- * Scan Resource Data for Logical Devices.
- *
- * This function exits as soon as it gets an error reading *ANY*
- * Resource Data or it reaches the end of Resource Data. In the first
- * case the return value will be TRUE, FALSE otherwise.
- */
- static int
- pnp_create_devices(device_t parent, pnp_id *p, int csn,
- u_char *resources, int len)
- {
- u_char tag, *resp, *resinfo, *startres = NULL;
- int large_len, scanning = len, retval = FALSE;
- uint32_t logical_id;
- device_t dev = 0;
- int ldn = 0;
- struct pnp_set_config_arg *csnldn;
- char buf[100];
- char *desc = NULL;
- resp = resources;
- while (scanning > 0) {
- tag = *resp++;
- scanning--;
- if (PNP_RES_TYPE(tag) != 0) {
- /* Large resource */
- if (scanning < 2) {
- scanning = 0;
- continue;
- }
- large_len = resp[0] + (resp[1] << 8);
- resp += 2;
- if (scanning < large_len) {
- scanning = 0;
- continue;
- }
- resinfo = resp;
- resp += large_len;
- scanning -= large_len;
- if (PNP_LRES_NUM(tag) == PNP_TAG_ID_ANSI) {
- if (dev) {
- /*
- * This is an optional device
- * identifier string. Skip it
- * for now.
- */
- continue;
- }
- /* else mandately card identifier string */
- if (large_len > sizeof(buf) - 1)
- large_len = sizeof(buf) - 1;
- bcopy(resinfo, buf, large_len);
- /*
- * Trim trailing spaces.
- */
- while (buf[large_len-1] == ' ')
- large_len--;
- buf[large_len] = '\0';
- desc = buf;
- continue;
- }
- continue;
- }
-
- /* Small resource */
- if (scanning < PNP_SRES_LEN(tag)) {
- scanning = 0;
- continue;
- }
- resinfo = resp;
- resp += PNP_SRES_LEN(tag);
- scanning -= PNP_SRES_LEN(tag);
-
- switch (PNP_SRES_NUM(tag)) {
- case PNP_TAG_LOGICAL_DEVICE:
- /*
- * Parse the resources for the previous
- * logical device (if any).
- */
- if (startres) {
- pnp_parse_resources(dev, startres,
- resinfo - startres - 1, ldn);
- dev = 0;
- startres = NULL;
- }
- /*
- * A new logical device. Scan for end of
- * resources.
- */
- bcopy(resinfo, &logical_id, 4);
- pnp_check_quirks(p->vendor_id, logical_id, ldn, NULL);
- dev = BUS_ADD_CHILD(parent, ISA_ORDER_PNP, NULL, DEVICE_UNIT_ANY);
- if (desc)
- device_set_desc_copy(dev, desc);
- else
- device_set_desc_copy(dev,
- pnp_eisaformat(logical_id));
- isa_set_vendorid(dev, p->vendor_id);
- isa_set_serial(dev, p->serial);
- isa_set_logicalid(dev, logical_id);
- isa_set_configattr(dev,
- ISACFGATTR_CANDISABLE | ISACFGATTR_DYNAMIC);
- csnldn = malloc(sizeof *csnldn, M_DEVBUF, M_NOWAIT);
- if (!csnldn) {
- device_printf(parent, "out of memory\n");
- scanning = 0;
- break;
- }
- csnldn->csn = csn;
- csnldn->ldn = ldn;
- ISA_SET_CONFIG_CALLBACK(parent, dev, pnp_set_config,
- csnldn);
- isa_set_pnp_csn(dev, csn);
- isa_set_pnp_ldn(dev, ldn);
- ldn++;
- startres = resp;
- break;
-
- case PNP_TAG_END:
- if (!startres) {
- device_printf(parent, "malformed resources\n");
- scanning = 0;
- break;
- }
- pnp_parse_resources(dev, startres,
- resinfo - startres - 1, ldn);
- dev = 0;
- startres = NULL;
- scanning = 0;
- break;
- default:
- /* Skip this resource */
- break;
- }
- }
- return (retval);
- }
- /*
- * Read 'amount' bytes of resources from the card, allocating memory
- * as needed. If a buffer is already available, it should be passed in
- * '*resourcesp' and its length in '*spacep'. The number of resource
- * bytes already in the buffer should be passed in '*lenp'. The memory
- * allocated will be returned in '*resourcesp' with its size and the
- * number of bytes of resources in '*spacep' and '*lenp' respectively.
- *
- * XXX: Multiple problems here, we forget to free() stuff in one
- * XXX: error return, and in another case we free (*resourcesp) but
- * XXX: don't tell the caller.
- */
- static int
- pnp_read_bytes(int amount, u_char **resourcesp, int *spacep, int *lenp)
- {
- u_char *resources = *resourcesp;
- u_char *newres;
- int space = *spacep;
- int len = *lenp;
- if (space == 0) {
- space = 1024;
- resources = malloc(space, M_TEMP, M_NOWAIT);
- if (!resources)
- return (ENOMEM);
- }
-
- if (len + amount > space) {
- int extra = 1024;
- while (len + amount > space + extra)
- extra += 1024;
- newres = malloc(space + extra, M_TEMP, M_NOWAIT);
- if (!newres) {
- /* XXX: free resources */
- return (ENOMEM);
- }
- bcopy(resources, newres, len);
- free(resources, M_TEMP);
- resources = newres;
- space += extra;
- }
- if (pnp_get_resource_info(resources + len, amount) != amount)
- return (EINVAL);
- len += amount;
- *resourcesp = resources;
- *spacep = space;
- *lenp = len;
- return (0);
- }
- /*
- * Read all resources from the card, allocating memory as needed. If a
- * buffer is already available, it should be passed in '*resourcesp'
- * and its length in '*spacep'. The memory allocated will be returned
- * in '*resourcesp' with its size and the number of bytes of resources
- * in '*spacep' and '*lenp' respectively.
- */
- static int
- pnp_read_resources(u_char **resourcesp, int *spacep, int *lenp)
- {
- u_char *resources = *resourcesp;
- int space = *spacep;
- int len = 0;
- int error, done;
- u_char tag;
- error = 0;
- done = 0;
- while (!done) {
- error = pnp_read_bytes(1, &resources, &space, &len);
- if (error)
- goto out;
- tag = resources[len-1];
- if (PNP_RES_TYPE(tag) == 0) {
- /*
- * Small resource, read contents.
- */
- error = pnp_read_bytes(PNP_SRES_LEN(tag),
- &resources, &space, &len);
- if (error)
- goto out;
- if (PNP_SRES_NUM(tag) == PNP_TAG_END)
- done = 1;
- } else {
- /*
- * Large resource, read length and contents.
- */
- error = pnp_read_bytes(2, &resources, &space, &len);
- if (error)
- goto out;
- error = pnp_read_bytes(resources[len-2]
- + (resources[len-1] << 8), &resources, &space,
- &len);
- if (error)
- goto out;
- }
- }
- out:
- *resourcesp = resources;
- *spacep = space;
- *lenp = len;
- return (error);
- }
- /*
- * Run the isolation protocol. Use pnp_rd_port as the READ_DATA port
- * value (caller should try multiple READ_DATA locations before giving
- * up). Upon exiting, all cards are aware that they should use
- * pnp_rd_port as the READ_DATA port.
- *
- * In the first pass, a csn is assigned to each board and pnp_id's
- * are saved to an array, pnp_devices. In the second pass, each
- * card is woken up and the device configuration is called.
- */
- static int
- pnp_isolation_protocol(device_t parent)
- {
- int csn;
- pnp_id id;
- int found = 0, len;
- u_char *resources = NULL;
- int space = 0;
- int error;
- /*
- * Put all cards into the Sleep state so that we can clear
- * their CSNs.
- */
- pnp_send_initiation_key();
- /*
- * Clear the CSN for all cards.
- */
- pnp_write(PNP_CONFIG_CONTROL, PNP_CONFIG_CONTROL_RESET_CSN);
- /*
- * Move all cards to the Isolation state.
- */
- pnp_write(PNP_WAKE, 0);
- /*
- * Tell them where the read point is going to be this time.
- */
- pnp_write(PNP_SET_RD_DATA, pnp_rd_port);
- for (csn = 1; csn < PNP_MAX_CARDS; csn++) {
- /*
- * Start the serial isolation protocol.
- */
- outb(_PNP_ADDRESS, PNP_SERIAL_ISOLATION);
- DELAY(1000); /* Delay 1 msec */
- if (pnp_get_serial(&id)) {
- /*
- * We have read the id from a card
- * successfully. The card which won the
- * isolation protocol will be in Isolation
- * mode and all others will be in Sleep.
- * Program the CSN of the isolated card
- * (taking it to Config state) and read its
- * resources, creating devices as we find
- * logical devices on the card.
- */
- pnp_write(PNP_SET_CSN, csn);
- if (bootverbose)
- printf("Reading PnP configuration for %s.\n",
- pnp_eisaformat(id.vendor_id));
- error = pnp_read_resources(&resources, &space, &len);
- if (error)
- break;
- pnp_create_devices(parent, &id, csn, resources, len);
- found++;
- } else
- break;
- /*
- * Put this card back to the Sleep state and
- * simultaneously move all cards which don't have a
- * CSN yet to Isolation state.
- */
- pnp_write(PNP_WAKE, 0);
- }
- /*
- * Unless we have chosen the wrong read port, all cards will
- * be in Sleep state. Put them back into WaitForKey for
- * now. Their resources will be programmed later.
- */
- pnp_write(PNP_CONFIG_CONTROL, PNP_CONFIG_CONTROL_WAIT_FOR_KEY);
- /*
- * Cleanup.
- */
- if (resources)
- free(resources, M_TEMP);
- return (found);
- }
- /*
- * pnp_identify()
- *
- * autoconfiguration of pnp devices. This routine just runs the
- * isolation protocol over several ports, until one is successful.
- *
- * may be called more than once ?
- *
- */
- static void
- pnp_identify(driver_t *driver, device_t parent)
- {
- int num_pnp_devs;
- /* Try various READ_DATA ports from 0x203-0x3ff */
- for (pnp_rd_port = 0x80; (pnp_rd_port < 0xff); pnp_rd_port += 0x10) {
- if (bootverbose)
- printf("pnp_identify: Trying Read_Port at %x\n",
- (pnp_rd_port << 2) | 0x3);
- num_pnp_devs = pnp_isolation_protocol(parent);
- if (num_pnp_devs)
- break;
- }
- if (bootverbose)
- printf("PNP Identify complete\n");
- }
- static device_method_t pnp_methods[] = {
- /* Device interface */
- DEVMETHOD(device_identify, pnp_identify),
- { 0, 0 }
- };
- static driver_t pnp_driver = {
- "pnp",
- pnp_methods,
- 1, /* no softc */
- };
- DRIVER_MODULE(pnp, isa, pnp_driver, 0, 0);
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