1139749Simp/*- 218901Sdg * Copyright (c) 1996, David Greenman 318901Sdg * All rights reserved. 418901Sdg * 518901Sdg * Redistribution and use in source and binary forms, with or without 618901Sdg * modification, are permitted provided that the following conditions 718901Sdg * are met: 818901Sdg * 1. Redistributions of source code must retain the above copyright 918901Sdg * notice unmodified, this list of conditions, and the following 1018901Sdg * disclaimer. 1118901Sdg * 2. Redistributions in binary form must reproduce the above copyright 1218901Sdg * notice, this list of conditions and the following disclaimer in the 1318901Sdg * documentation and/or other materials provided with the distribution. 1418901Sdg * 1518901Sdg * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1618901Sdg * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1718901Sdg * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1818901Sdg * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1918901Sdg * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2018901Sdg * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2118901Sdg * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2218901Sdg * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2318901Sdg * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2418901Sdg * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2518901Sdg * SUCH DAMAGE. 2618901Sdg */ 2718901Sdg 2818901Sdg/* 2918901Sdg * Cyclades Y PCI serial interface driver 3018901Sdg */ 3118901Sdg 32116192Sobrien#include <sys/cdefs.h> 33116192Sobrien__FBSDID("$FreeBSD$"); 34116192Sobrien 3542691Sbde#include "opt_cy_pci_fastintr.h" 3642691Sbde 3718901Sdg#include <sys/param.h> 38128805Sbde#include <sys/bus.h> 3918901Sdg#include <sys/kernel.h> 40129879Sphk#include <sys/module.h> 4171892Sbde 4271892Sbde#include <machine/bus.h> 4371892Sbde#include <sys/rman.h> 4471892Sbde#include <machine/resource.h> 4571892Sbde 4671892Sbde#include <dev/pci/pcivar.h> 4718901Sdg 48128800Sbde#include <dev/cy/cyvar.h> 49128800Sbde 50123105Sbde#define CY_PCI_BASE_ADDR0 0x10 51123105Sbde#define CY_PCI_BASE_ADDR1 0x14 52123105Sbde#define CY_PCI_BASE_ADDR2 0x18 5318901Sdg 54123105Sbde#define CY_PLX_9050_ICS 0x4c 55123105Sbde#define CY_PLX_9060_ICS 0x68 56123105Sbde#define CY_PLX_9050_ICS_IENABLE 0x040 57123105Sbde#define CY_PLX_9050_ICS_LOCAL_IENABLE 0x001 58123105Sbde#define CY_PLX_9050_ICS_LOCAL_IPOLARITY 0x002 59123105Sbde#define CY_PLX_9060_ICS_IENABLE 0x100 60123105Sbde#define CY_PLX_9060_ICS_LOCAL_IENABLE 0x800 6190102Sbde 6290102Sbde/* Cyclom-Y Custom Register for PLX ID. */ 6390102Sbde#define PLX_VER 0x3400 6490102Sbde#define PLX_9050 0x0b 6590102Sbde#define PLX_9060 0x0c 6690102Sbde#define PLX_9080 0x0d 6790102Sbde 6892739Salfredstatic int cy_pci_attach(device_t dev); 6992739Salfredstatic int cy_pci_probe(device_t dev); 7018901Sdg 7171892Sbdestatic device_method_t cy_pci_methods[] = { 7271892Sbde /* Device interface. */ 7371892Sbde DEVMETHOD(device_probe, cy_pci_probe), 7471892Sbde DEVMETHOD(device_attach, cy_pci_attach), 7571892Sbde 7671892Sbde { 0, 0 } 7718901Sdg}; 7818901Sdg 7971892Sbdestatic driver_t cy_pci_driver = { 80128800Sbde cy_driver_name, 8171892Sbde cy_pci_methods, 8271892Sbde 0, 8371892Sbde}; 8471892Sbde 8571892SbdeDRIVER_MODULE(cy, pci, cy_pci_driver, cy_devclass, 0, 0); 86113506SmdoddMODULE_DEPEND(cy, pci, 1, 1, 1); 8771892Sbde 8871892Sbdestatic int 8971892Sbdecy_pci_probe(dev) 9071892Sbde device_t dev; 9118901Sdg{ 9271892Sbde u_int32_t device_id; 9371892Sbde 9471892Sbde device_id = pci_get_devid(dev); 9546879Sbde device_id &= ~0x00060000; 9671892Sbde if (device_id != 0x0100120e && device_id != 0x0101120e) 9771892Sbde return (ENXIO); 9871892Sbde device_set_desc(dev, "Cyclades Cyclom-Y Serial Adapter"); 99143161Simp return (BUS_PROBE_DEFAULT); 10018901Sdg} 10118901Sdg 10271892Sbdestatic int 10371892Sbdecy_pci_attach(dev) 10471892Sbde device_t dev; 10518901Sdg{ 10671892Sbde struct resource *ioport_res, *irq_res, *mem_res; 107123104Sbde void *irq_cookie, *vaddr, *vsc; 10818901Sdg u_int32_t ioport; 109123104Sbde int irq_setup, ioport_rid, irq_rid, mem_rid; 11042541Sbde u_char plx_ver; 11118901Sdg 11271892Sbde ioport_res = NULL; 11371892Sbde irq_res = NULL; 11471892Sbde mem_res = NULL; 11518901Sdg 11671892Sbde ioport_rid = CY_PCI_BASE_ADDR1; 117296023Sjhibbits ioport_res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &ioport_rid, 118295790Sjhibbits RF_ACTIVE); 11971892Sbde if (ioport_res == NULL) { 12071892Sbde device_printf(dev, "ioport resource allocation failed\n"); 12171892Sbde goto fail; 12271892Sbde } 12371892Sbde ioport = rman_get_start(ioport_res); 12471892Sbde 12571892Sbde mem_rid = CY_PCI_BASE_ADDR2; 126295790Sjhibbits mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &mem_rid, 127295790Sjhibbits RF_ACTIVE); 12871892Sbde if (mem_res == NULL) { 12971892Sbde device_printf(dev, "memory resource allocation failed\n"); 13071892Sbde goto fail; 13171892Sbde } 13271892Sbde vaddr = rman_get_virtual(mem_res); 13371892Sbde 134123104Sbde vsc = cyattach_common(vaddr, 1); 135123104Sbde if (vsc == NULL) { 13671892Sbde device_printf(dev, "no ports found!\n"); 13718901Sdg goto fail; 13818901Sdg } 13918901Sdg 14071892Sbde irq_rid = 0; 141295790Sjhibbits irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &irq_rid, 14271892Sbde RF_SHAREABLE | RF_ACTIVE); 14371892Sbde if (irq_res == NULL) { 14471892Sbde device_printf(dev, "interrupt resource allocation failed\n"); 14571892Sbde goto fail; 14671892Sbde } 14742691Sbde#ifdef CY_PCI_FASTINTR 148166901Spiso irq_setup = bus_setup_intr(dev, irq_res, INTR_TYPE_TTY, 149166901Spiso cyintr, NULL, vsc, &irq_cookie); 15090101Sbde#else 15190101Sbde irq_setup = ENXIO; 15242691Sbde#endif 15371892Sbde if (irq_setup != 0) 15471892Sbde irq_setup = bus_setup_intr(dev, irq_res, INTR_TYPE_TTY, 155166901Spiso NULL, (driver_intr_t *)cyintr, vsc, &irq_cookie); 15671892Sbde if (irq_setup != 0) { 15771892Sbde device_printf(dev, "interrupt setup failed\n"); 15818901Sdg goto fail; 15918901Sdg } 16042691Sbde 16118901Sdg /* 16218901Sdg * Enable the "local" interrupt input to generate a 16318901Sdg * PCI interrupt. 16418901Sdg */ 16542541Sbde plx_ver = *((u_char *)vaddr + PLX_VER) & 0x0f; 16642540Sbde switch (plx_ver) { 16742541Sbde case PLX_9050: 16892467Sbde outw(ioport + CY_PLX_9050_ICS, 16992467Sbde CY_PLX_9050_ICS_IENABLE | CY_PLX_9050_ICS_LOCAL_IENABLE | 17092467Sbde CY_PLX_9050_ICS_LOCAL_IPOLARITY); 17142540Sbde break; 17242541Sbde case PLX_9060: 17342541Sbde case PLX_9080: 17442541Sbde default: /* Old board, use PLX_9060 values. */ 17542541Sbde outw(ioport + CY_PLX_9060_ICS, 17642541Sbde inw(ioport + CY_PLX_9060_ICS) | CY_PLX_9060_ICS_IENABLE | 17742541Sbde CY_PLX_9060_ICS_LOCAL_IENABLE); 17842540Sbde break; 17942540Sbde } 18042540Sbde 18171892Sbde return (0); 18218901Sdg 18318901Sdgfail: 18471892Sbde if (ioport_res != NULL) 18571892Sbde bus_release_resource(dev, SYS_RES_IOPORT, ioport_rid, 18671892Sbde ioport_res); 18771892Sbde if (irq_res != NULL) 18871892Sbde bus_release_resource(dev, SYS_RES_IRQ, irq_rid, irq_res); 18971892Sbde if (mem_res != NULL) 19071892Sbde bus_release_resource(dev, SYS_RES_MEMORY, mem_rid, mem_res); 19171892Sbde return (ENXIO); 19218901Sdg} 193