398 lines
10 KiB
C
398 lines
10 KiB
C
/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson (augustss@carlstedt.se) at
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* Carlstedt Research & Technology.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* USB Open Host Controller driver.
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*
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* OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf
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*/
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/* The low level controller code for OHCI has been split into
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* PCI probes and OHCI specific code. This was done to facilitate the
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* sharing of code between *BSD's
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*/
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#include <sys/stdint.h>
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#include <sys/stddef.h>
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/condvar.h>
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#include <sys/sysctl.h>
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#include <sys/sx.h>
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#include <sys/unistd.h>
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#include <sys/callout.h>
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#include <sys/malloc.h>
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#include <sys/priv.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usb_core.h>
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#include <dev/usb/usb_busdma.h>
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#include <dev/usb/usb_process.h>
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#include <dev/usb/usb_util.h>
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#include <dev/usb/usb_controller.h>
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#include <dev/usb/usb_bus.h>
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#include <dev/usb/usb_pci.h>
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#include <dev/usb/controller/ohci.h>
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#include <dev/usb/controller/ohcireg.h>
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#include "usb_if.h"
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#define PCI_OHCI_VENDORID_ACERLABS 0x10b9
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#define PCI_OHCI_VENDORID_AMD 0x1022
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#define PCI_OHCI_VENDORID_APPLE 0x106b
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#define PCI_OHCI_VENDORID_ATI 0x1002
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#define PCI_OHCI_VENDORID_CMDTECH 0x1095
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#define PCI_OHCI_VENDORID_NEC 0x1033
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#define PCI_OHCI_VENDORID_NVIDIA 0x12D2
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#define PCI_OHCI_VENDORID_NVIDIA2 0x10DE
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#define PCI_OHCI_VENDORID_OPTI 0x1045
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#define PCI_OHCI_VENDORID_SIS 0x1039
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#define PCI_OHCI_VENDORID_SUN 0x108e
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#define PCI_OHCI_BASE_REG 0x10
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static device_probe_t ohci_pci_probe;
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static device_attach_t ohci_pci_attach;
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static device_detach_t ohci_pci_detach;
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static usb_take_controller_t ohci_pci_take_controller;
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static int
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ohci_pci_take_controller(device_t self)
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{
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uint32_t reg;
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uint32_t int_line;
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if (pci_get_powerstate(self) != PCI_POWERSTATE_D0) {
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device_printf(self, "chip is in D%d mode "
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"-- setting to D0\n", pci_get_powerstate(self));
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reg = pci_read_config(self, PCI_CBMEM, 4);
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int_line = pci_read_config(self, PCIR_INTLINE, 4);
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pci_set_powerstate(self, PCI_POWERSTATE_D0);
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pci_write_config(self, PCI_CBMEM, reg, 4);
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pci_write_config(self, PCIR_INTLINE, int_line, 4);
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}
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return (0);
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}
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static const char *
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ohci_pci_match(device_t self)
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{
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uint32_t device_id = pci_get_devid(self);
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switch (device_id) {
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case 0x523710b9:
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return ("AcerLabs M5237 (Aladdin-V) USB controller");
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case 0x740c1022:
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return ("AMD-756 USB Controller");
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case 0x74141022:
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return ("AMD-766 USB Controller");
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case 0x43741002:
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return "ATI SB400 USB Controller";
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case 0x43751002:
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return "ATI SB400 USB Controller";
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case 0x43971002:
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return ("AMD SB7x0/SB8x0/SB9x0 USB controller");
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case 0x43981002:
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return ("AMD SB7x0/SB8x0/SB9x0 USB controller");
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case 0x43991002:
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return ("AMD SB7x0/SB8x0/SB9x0 USB controller");
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case 0x06701095:
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return ("CMD Tech 670 (USB0670) USB controller");
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case 0x06731095:
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return ("CMD Tech 673 (USB0673) USB controller");
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case 0xc8611045:
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return ("OPTi 82C861 (FireLink) USB controller");
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case 0x00351033:
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return ("NEC uPD 9210 USB controller");
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case 0x00d710de:
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return ("nVidia nForce3 USB Controller");
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case 0x005a10de:
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return ("nVidia nForce CK804 USB Controller");
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case 0x036c10de:
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return ("nVidia nForce MCP55 USB Controller");
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case 0x03f110de:
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return ("nVidia nForce MCP61 USB Controller");
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case 0x0aa510de:
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return ("nVidia nForce MCP79 USB Controller");
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case 0x0aa710de:
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return ("nVidia nForce MCP79 USB Controller");
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case 0x0aa810de:
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return ("nVidia nForce MCP79 USB Controller");
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case 0x70011039:
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return ("SiS 5571 USB controller");
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case 0x1103108e:
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return "Sun PCIO-2 USB controller";
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case 0x0019106b:
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return ("Apple KeyLargo USB controller");
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default:
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break;
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}
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if ((pci_get_class(self) == PCIC_SERIALBUS) &&
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(pci_get_subclass(self) == PCIS_SERIALBUS_USB) &&
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(pci_get_progif(self) == PCI_INTERFACE_OHCI)) {
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return ("OHCI (generic) USB controller");
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}
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return (NULL);
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}
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static int
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ohci_pci_probe(device_t self)
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{
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const char *desc = ohci_pci_match(self);
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if (desc) {
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device_set_desc(self, desc);
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return (0);
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} else {
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return (ENXIO);
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}
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}
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static int
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ohci_pci_attach(device_t self)
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{
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ohci_softc_t *sc = device_get_softc(self);
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int rid;
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int err;
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/* initialise some bus fields */
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sc->sc_bus.parent = self;
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sc->sc_bus.devices = sc->sc_devices;
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sc->sc_bus.devices_max = OHCI_MAX_DEVICES;
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/* get all DMA memory */
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if (usb_bus_mem_alloc_all(&sc->sc_bus, USB_GET_DMA_TAG(self),
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&ohci_iterate_hw_softc)) {
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return (ENOMEM);
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}
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sc->sc_dev = self;
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pci_enable_busmaster(self);
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/*
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* Some Sun PCIO-2 USB controllers have their intpin register
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* bogusly set to 0, although it should be 4. Correct that.
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*/
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if (pci_get_devid(self) == 0x1103108e && pci_get_intpin(self) == 0)
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pci_set_intpin(self, 4);
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rid = PCI_CBMEM;
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sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid,
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RF_ACTIVE);
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if (!sc->sc_io_res) {
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device_printf(self, "Could not map memory\n");
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goto error;
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}
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sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
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sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
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sc->sc_io_size = rman_get_size(sc->sc_io_res);
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rid = 0;
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sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
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RF_SHAREABLE | RF_ACTIVE);
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if (sc->sc_irq_res == NULL) {
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device_printf(self, "Could not allocate irq\n");
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goto error;
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}
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sc->sc_bus.bdev = device_add_child(self, "usbus", -1);
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if (!sc->sc_bus.bdev) {
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device_printf(self, "Could not add USB device\n");
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goto error;
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}
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device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
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/*
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* ohci_pci_match will never return NULL if ohci_pci_probe
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* succeeded
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*/
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device_set_desc(sc->sc_bus.bdev, ohci_pci_match(self));
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switch (pci_get_vendor(self)) {
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case PCI_OHCI_VENDORID_ACERLABS:
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sprintf(sc->sc_vendor, "AcerLabs");
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break;
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case PCI_OHCI_VENDORID_AMD:
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sprintf(sc->sc_vendor, "AMD");
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break;
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case PCI_OHCI_VENDORID_APPLE:
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sprintf(sc->sc_vendor, "Apple");
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break;
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case PCI_OHCI_VENDORID_ATI:
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sprintf(sc->sc_vendor, "ATI");
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break;
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case PCI_OHCI_VENDORID_CMDTECH:
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sprintf(sc->sc_vendor, "CMDTECH");
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break;
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case PCI_OHCI_VENDORID_NEC:
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sprintf(sc->sc_vendor, "NEC");
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break;
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case PCI_OHCI_VENDORID_NVIDIA:
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case PCI_OHCI_VENDORID_NVIDIA2:
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sprintf(sc->sc_vendor, "nVidia");
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break;
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case PCI_OHCI_VENDORID_OPTI:
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sprintf(sc->sc_vendor, "OPTi");
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break;
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case PCI_OHCI_VENDORID_SIS:
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sprintf(sc->sc_vendor, "SiS");
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break;
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case PCI_OHCI_VENDORID_SUN:
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sprintf(sc->sc_vendor, "SUN");
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break;
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default:
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if (bootverbose) {
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device_printf(self, "(New OHCI DeviceId=0x%08x)\n",
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pci_get_devid(self));
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}
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sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self));
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}
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/* sc->sc_bus.usbrev; set by ohci_init() */
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#if (__FreeBSD_version >= 700031)
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err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
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NULL, (driver_intr_t *)ohci_interrupt, sc, &sc->sc_intr_hdl);
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#else
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err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
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(driver_intr_t *)ohci_interrupt, sc, &sc->sc_intr_hdl);
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#endif
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if (err) {
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device_printf(self, "Could not setup irq, %d\n", err);
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sc->sc_intr_hdl = NULL;
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goto error;
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}
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err = ohci_init(sc);
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if (!err) {
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err = device_probe_and_attach(sc->sc_bus.bdev);
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}
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if (err) {
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device_printf(self, "USB init failed\n");
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goto error;
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}
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return (0);
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error:
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ohci_pci_detach(self);
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return (ENXIO);
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}
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static int
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ohci_pci_detach(device_t self)
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{
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ohci_softc_t *sc = device_get_softc(self);
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device_t bdev;
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if (sc->sc_bus.bdev) {
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bdev = sc->sc_bus.bdev;
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device_detach(bdev);
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device_delete_child(self, bdev);
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}
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/* during module unload there are lots of children leftover */
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device_delete_children(self);
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pci_disable_busmaster(self);
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if (sc->sc_irq_res && sc->sc_intr_hdl) {
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/*
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* only call ohci_detach() after ohci_init()
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*/
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ohci_detach(sc);
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int err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
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if (err) {
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/* XXX or should we panic? */
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device_printf(self, "Could not tear down irq, %d\n",
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err);
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}
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sc->sc_intr_hdl = NULL;
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}
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if (sc->sc_irq_res) {
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bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res);
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sc->sc_irq_res = NULL;
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}
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if (sc->sc_io_res) {
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bus_release_resource(self, SYS_RES_MEMORY, PCI_CBMEM,
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sc->sc_io_res);
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sc->sc_io_res = NULL;
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}
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usb_bus_mem_free_all(&sc->sc_bus, &ohci_iterate_hw_softc);
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return (0);
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}
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static device_method_t ohci_pci_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ohci_pci_probe),
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DEVMETHOD(device_attach, ohci_pci_attach),
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DEVMETHOD(device_detach, ohci_pci_detach),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_resume, bus_generic_resume),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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DEVMETHOD(usb_take_controller, ohci_pci_take_controller),
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DEVMETHOD_END
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};
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static driver_t ohci_driver = {
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.name = "ohci",
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.methods = ohci_pci_methods,
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.size = sizeof(struct ohci_softc),
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};
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static devclass_t ohci_devclass;
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DRIVER_MODULE(ohci, pci, ohci_driver, ohci_devclass, 0, 0);
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MODULE_DEPEND(ohci, usb, 1, 1, 1);
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