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/* $NetBSD: uvisor.c,v 1.9 2001/01/23 14:04:14 augustss Exp $ */
/* $FreeBSD: release/9.1.0/sys/dev/usb/serial/uvisor.c 229080 2011-12-31 13:07:09Z hselasky $ */
/* Also already merged from NetBSD:
* $NetBSD: uvisor.c,v 1.12 2001/11/13 06:24:57 lukem Exp $
* $NetBSD: uvisor.c,v 1.13 2002/02/11 15:11:49 augustss Exp $
* $NetBSD: uvisor.c,v 1.14 2002/02/27 23:00:03 augustss Exp $
* $NetBSD: uvisor.c,v 1.15 2002/06/16 15:01:31 augustss Exp $
* $NetBSD: uvisor.c,v 1.16 2002/07/11 21:14:36 augustss Exp $
* $NetBSD: uvisor.c,v 1.17 2002/08/13 11:38:15 augustss Exp $
* $NetBSD: uvisor.c,v 1.18 2003/02/05 00:50:14 augustss Exp $
* $NetBSD: uvisor.c,v 1.19 2003/02/07 18:12:37 augustss Exp $
* $NetBSD: uvisor.c,v 1.20 2003/04/11 01:30:10 simonb Exp $
*/
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson (lennart@augustsson.net) at
* Carlstedt Research & Technology.
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* Handspring Visor (Palmpilot compatible PDA) driver
*/
#include <sys/stdint.h>
#include <sys/stddef.h>
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/module.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/condvar.h>
#include <sys/sysctl.h>
#include <sys/sx.h>
#include <sys/unistd.h>
#include <sys/callout.h>
#include <sys/malloc.h>
#include <sys/priv.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include "usbdevs.h"
#define USB_DEBUG_VAR uvisor_debug
#include <dev/usb/usb_debug.h>
#include <dev/usb/usb_process.h>
#include <dev/usb/serial/usb_serial.h>
#ifdef USB_DEBUG
static int uvisor_debug = 0;
SYSCTL_NODE(_hw_usb, OID_AUTO, uvisor, CTLFLAG_RW, 0, "USB uvisor");
SYSCTL_INT(_hw_usb_uvisor, OID_AUTO, debug, CTLFLAG_RW,
&uvisor_debug, 0, "Debug level");
#endif
#define UVISOR_CONFIG_INDEX 0
#define UVISOR_IFACE_INDEX 0
/*
* The following buffer sizes are hardcoded due to the way the Palm
* firmware works. It looks like the device is not short terminating
* the data transferred.
*/
#define UVISORIBUFSIZE 0 /* Use wMaxPacketSize */
#define UVISOROBUFSIZE 32 /* bytes */
#define UVISOROFRAMES 32 /* units */
/* From the Linux driver */
/*
* UVISOR_REQUEST_BYTES_AVAILABLE asks the visor for the number of bytes that
* are available to be transfered to the host for the specified endpoint.
* Currently this is not used, and always returns 0x0001
*/
#define UVISOR_REQUEST_BYTES_AVAILABLE 0x01
/*
* UVISOR_CLOSE_NOTIFICATION is set to the device to notify it that the host
* is now closing the pipe. An empty packet is sent in response.
*/
#define UVISOR_CLOSE_NOTIFICATION 0x02
/*
* UVISOR_GET_CONNECTION_INFORMATION is sent by the host during enumeration to
* get the endpoints used by the connection.
*/
#define UVISOR_GET_CONNECTION_INFORMATION 0x03
/*
* UVISOR_GET_CONNECTION_INFORMATION returns data in the following format
*/
#define UVISOR_MAX_CONN 8
struct uvisor_connection_info {
uWord num_ports;
struct {
uByte port_function_id;
uByte port;
} __packed connections[UVISOR_MAX_CONN];
} __packed;
#define UVISOR_CONNECTION_INFO_SIZE 18
/* struct uvisor_connection_info.connection[x].port defines: */
#define UVISOR_ENDPOINT_1 0x01
#define UVISOR_ENDPOINT_2 0x02
/* struct uvisor_connection_info.connection[x].port_function_id defines: */
#define UVISOR_FUNCTION_GENERIC 0x00
#define UVISOR_FUNCTION_DEBUGGER 0x01
#define UVISOR_FUNCTION_HOTSYNC 0x02
#define UVISOR_FUNCTION_CONSOLE 0x03
#define UVISOR_FUNCTION_REMOTE_FILE_SYS 0x04
/*
* Unknown PalmOS stuff.
*/
#define UVISOR_GET_PALM_INFORMATION 0x04
#define UVISOR_GET_PALM_INFORMATION_LEN 0x44
struct uvisor_palm_connection_info {
uByte num_ports;
uByte endpoint_numbers_different;
uWord reserved1;
struct {
uDWord port_function_id;
uByte port;
uByte end_point_info;
uWord reserved;
} __packed connections[UVISOR_MAX_CONN];
} __packed;
enum {
UVISOR_BULK_DT_WR,
UVISOR_BULK_DT_RD,
UVISOR_N_TRANSFER,
};
struct uvisor_softc {
struct ucom_super_softc sc_super_ucom;
struct ucom_softc sc_ucom;
struct usb_xfer *sc_xfer[UVISOR_N_TRANSFER];
struct usb_device *sc_udev;
struct mtx sc_mtx;
uint16_t sc_flag;
#define UVISOR_FLAG_PALM4 0x0001
#define UVISOR_FLAG_VISOR 0x0002
#define UVISOR_FLAG_PALM35 0x0004
#define UVISOR_FLAG_SEND_NOTIFY 0x0008
uint8_t sc_iface_no;
uint8_t sc_iface_index;
};
/* prototypes */
static device_probe_t uvisor_probe;
static device_attach_t uvisor_attach;
static device_detach_t uvisor_detach;
static usb_callback_t uvisor_write_callback;
static usb_callback_t uvisor_read_callback;
static usb_error_t uvisor_init(struct uvisor_softc *, struct usb_device *,
struct usb_config *);
static void uvisor_cfg_open(struct ucom_softc *);
static void uvisor_cfg_close(struct ucom_softc *);
static void uvisor_start_read(struct ucom_softc *);
static void uvisor_stop_read(struct ucom_softc *);
static void uvisor_start_write(struct ucom_softc *);
static void uvisor_stop_write(struct ucom_softc *);
static const struct usb_config uvisor_config[UVISOR_N_TRANSFER] = {
[UVISOR_BULK_DT_WR] = {
.type = UE_BULK,
.endpoint = UE_ADDR_ANY,
.direction = UE_DIR_OUT,
.bufsize = UVISOROBUFSIZE * UVISOROFRAMES,
.frames = UVISOROFRAMES,
.flags = {.pipe_bof = 1,.force_short_xfer = 1,},
.callback = &uvisor_write_callback,
},
[UVISOR_BULK_DT_RD] = {
.type = UE_BULK,
.endpoint = UE_ADDR_ANY,
.direction = UE_DIR_IN,
.bufsize = UVISORIBUFSIZE,
.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
.callback = &uvisor_read_callback,
},
};
static const struct ucom_callback uvisor_callback = {
.ucom_cfg_open = &uvisor_cfg_open,
.ucom_cfg_close = &uvisor_cfg_close,
.ucom_start_read = &uvisor_start_read,
.ucom_stop_read = &uvisor_stop_read,
.ucom_start_write = &uvisor_start_write,
.ucom_stop_write = &uvisor_stop_write,
};
static device_method_t uvisor_methods[] = {
DEVMETHOD(device_probe, uvisor_probe),
DEVMETHOD(device_attach, uvisor_attach),
DEVMETHOD(device_detach, uvisor_detach),
{0, 0}
};
static devclass_t uvisor_devclass;
static driver_t uvisor_driver = {
.name = "uvisor",
.methods = uvisor_methods,
.size = sizeof(struct uvisor_softc),
};
DRIVER_MODULE(uvisor, uhub, uvisor_driver, uvisor_devclass, NULL, 0);
MODULE_DEPEND(uvisor, ucom, 1, 1, 1);
MODULE_DEPEND(uvisor, usb, 1, 1, 1);
MODULE_VERSION(uvisor, 1);
static const STRUCT_USB_HOST_ID uvisor_devs[] = {
#define UVISOR_DEV(v,p,i) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, i) }
UVISOR_DEV(ACEECA, MEZ1000, UVISOR_FLAG_PALM4),
UVISOR_DEV(ALPHASMART, DANA_SYNC, UVISOR_FLAG_PALM4),
UVISOR_DEV(GARMIN, IQUE_3600, UVISOR_FLAG_PALM4),
UVISOR_DEV(FOSSIL, WRISTPDA, UVISOR_FLAG_PALM4),
UVISOR_DEV(HANDSPRING, VISOR, UVISOR_FLAG_VISOR),
UVISOR_DEV(HANDSPRING, TREO, UVISOR_FLAG_PALM4),
UVISOR_DEV(HANDSPRING, TREO600, UVISOR_FLAG_PALM4),
UVISOR_DEV(PALM, M500, UVISOR_FLAG_PALM4),
UVISOR_DEV(PALM, M505, UVISOR_FLAG_PALM4),
UVISOR_DEV(PALM, M515, UVISOR_FLAG_PALM4),
UVISOR_DEV(PALM, I705, UVISOR_FLAG_PALM4),
UVISOR_DEV(PALM, M125, UVISOR_FLAG_PALM4),
UVISOR_DEV(PALM, M130, UVISOR_FLAG_PALM4),
UVISOR_DEV(PALM, TUNGSTEN_Z, UVISOR_FLAG_PALM4),
UVISOR_DEV(PALM, TUNGSTEN_T, UVISOR_FLAG_PALM4),
UVISOR_DEV(PALM, ZIRE, UVISOR_FLAG_PALM4),
UVISOR_DEV(PALM, ZIRE31, UVISOR_FLAG_PALM4),
UVISOR_DEV(SAMSUNG, I500, UVISOR_FLAG_PALM4),
UVISOR_DEV(SONY, CLIE_40, 0),
UVISOR_DEV(SONY, CLIE_41, 0),
UVISOR_DEV(SONY, CLIE_S360, UVISOR_FLAG_PALM4),
UVISOR_DEV(SONY, CLIE_NX60, UVISOR_FLAG_PALM4),
UVISOR_DEV(SONY, CLIE_35, UVISOR_FLAG_PALM35),
/* UVISOR_DEV(SONY, CLIE_25, UVISOR_FLAG_PALM4 ), */
UVISOR_DEV(SONY, CLIE_TJ37, UVISOR_FLAG_PALM4),
/* UVISOR_DEV(SONY, CLIE_TH55, UVISOR_FLAG_PALM4 ), See PR 80935 */
UVISOR_DEV(TAPWAVE, ZODIAC, UVISOR_FLAG_PALM4),
#undef UVISOR_DEV
};
static int
uvisor_probe(device_t dev)
{
struct usb_attach_arg *uaa = device_get_ivars(dev);
if (uaa->usb_mode != USB_MODE_HOST) {
return (ENXIO);
}
if (uaa->info.bConfigIndex != UVISOR_CONFIG_INDEX) {
return (ENXIO);
}
if (uaa->info.bIfaceIndex != UVISOR_IFACE_INDEX) {
return (ENXIO);
}
return (usbd_lookup_id_by_uaa(uvisor_devs, sizeof(uvisor_devs), uaa));
}
static int
uvisor_attach(device_t dev)
{
struct usb_attach_arg *uaa = device_get_ivars(dev);
struct uvisor_softc *sc = device_get_softc(dev);
struct usb_config uvisor_config_copy[UVISOR_N_TRANSFER];
int error;
DPRINTF("sc=%p\n", sc);
memcpy(uvisor_config_copy, uvisor_config,
sizeof(uvisor_config_copy));
device_set_usb_desc(dev);
mtx_init(&sc->sc_mtx, "uvisor", NULL, MTX_DEF);
sc->sc_udev = uaa->device;
/* configure the device */
sc->sc_flag = USB_GET_DRIVER_INFO(uaa);
sc->sc_iface_no = uaa->info.bIfaceNum;
sc->sc_iface_index = UVISOR_IFACE_INDEX;
error = uvisor_init(sc, uaa->device, uvisor_config_copy);
if (error) {
DPRINTF("init failed, error=%s\n",
usbd_errstr(error));
goto detach;
}
error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index,
sc->sc_xfer, uvisor_config_copy, UVISOR_N_TRANSFER,
sc, &sc->sc_mtx);
if (error) {
DPRINTF("could not allocate all pipes\n");
goto detach;
}
error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc,
&uvisor_callback, &sc->sc_mtx);
if (error) {
DPRINTF("ucom_attach failed\n");
goto detach;
}
ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev);
return (0);
detach:
uvisor_detach(dev);
return (ENXIO);
}
static int
uvisor_detach(device_t dev)
{
struct uvisor_softc *sc = device_get_softc(dev);
DPRINTF("sc=%p\n", sc);
ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom);
usbd_transfer_unsetup(sc->sc_xfer, UVISOR_N_TRANSFER);
mtx_destroy(&sc->sc_mtx);
return (0);
}
static usb_error_t
uvisor_init(struct uvisor_softc *sc, struct usb_device *udev, struct usb_config *config)
{
usb_error_t err = 0;
struct usb_device_request req;
struct uvisor_connection_info coninfo;
struct uvisor_palm_connection_info pconinfo;
uint16_t actlen;
uint8_t buffer[256];
if (sc->sc_flag & UVISOR_FLAG_VISOR) {
DPRINTF("getting connection info\n");
req.bmRequestType = UT_READ_VENDOR_ENDPOINT;
req.bRequest = UVISOR_GET_CONNECTION_INFORMATION;
USETW(req.wValue, 0);
USETW(req.wIndex, 0);
USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE);
err = usbd_do_request_flags(udev, NULL,
&req, &coninfo, USB_SHORT_XFER_OK,
&actlen, USB_DEFAULT_TIMEOUT);
if (err) {
goto done;
}
}
#ifdef USB_DEBUG
if (sc->sc_flag & UVISOR_FLAG_VISOR) {
uint16_t i, np;
const char *desc;
np = UGETW(coninfo.num_ports);
if (np > UVISOR_MAX_CONN) {
np = UVISOR_MAX_CONN;
}
DPRINTF("Number of ports: %d\n", np);
for (i = 0; i < np; ++i) {
switch (coninfo.connections[i].port_function_id) {
case UVISOR_FUNCTION_GENERIC:
desc = "Generic";
break;
case UVISOR_FUNCTION_DEBUGGER:
desc = "Debugger";
break;
case UVISOR_FUNCTION_HOTSYNC:
desc = "HotSync";
break;
case UVISOR_FUNCTION_REMOTE_FILE_SYS:
desc = "Remote File System";
break;
default:
desc = "unknown";
break;
}
DPRINTF("Port %d is for %s\n",
coninfo.connections[i].port, desc);
}
}
#endif
if (sc->sc_flag & UVISOR_FLAG_PALM4) {
uint8_t port;
/* Palm OS 4.0 Hack */
req.bmRequestType = UT_READ_VENDOR_ENDPOINT;
req.bRequest = UVISOR_GET_PALM_INFORMATION;
USETW(req.wValue, 0);
USETW(req.wIndex, 0);
USETW(req.wLength, UVISOR_GET_PALM_INFORMATION_LEN);
err = usbd_do_request_flags
(udev, NULL, &req, &pconinfo, USB_SHORT_XFER_OK,
&actlen, USB_DEFAULT_TIMEOUT);
if (err) {
goto done;
}
if (actlen < 12) {
DPRINTF("too little data\n");
err = USB_ERR_INVAL;
goto done;
}
if (pconinfo.endpoint_numbers_different) {
port = pconinfo.connections[0].end_point_info;
config[0].endpoint = (port & 0xF); /* output */
config[1].endpoint = (port >> 4); /* input */
} else {
port = pconinfo.connections[0].port;
config[0].endpoint = (port & 0xF); /* output */
config[1].endpoint = (port & 0xF); /* input */
}
#if 0
req.bmRequestType = UT_READ_VENDOR_ENDPOINT;
req.bRequest = UVISOR_GET_PALM_INFORMATION;
USETW(req.wValue, 0);
USETW(req.wIndex, 0);
USETW(req.wLength, UVISOR_GET_PALM_INFORMATION_LEN);
err = usbd_do_request(udev, &req, buffer);
if (err) {
goto done;
}
#endif
}
if (sc->sc_flag & UVISOR_FLAG_PALM35) {
/* get the config number */
DPRINTF("getting config info\n");
req.bmRequestType = UT_READ;
req.bRequest = UR_GET_CONFIG;
USETW(req.wValue, 0);
USETW(req.wIndex, 0);
USETW(req.wLength, 1);
err = usbd_do_request(udev, NULL, &req, buffer);
if (err) {
goto done;
}
/* get the interface number */
DPRINTF("get the interface number\n");
req.bmRequestType = UT_READ_DEVICE;
req.bRequest = UR_GET_INTERFACE;
USETW(req.wValue, 0);
USETW(req.wIndex, 0);
USETW(req.wLength, 1);
err = usbd_do_request(udev, NULL, &req, buffer);
if (err) {
goto done;
}
}
#if 0
uWord wAvail;
DPRINTF("getting available bytes\n");
req.bmRequestType = UT_READ_VENDOR_ENDPOINT;
req.bRequest = UVISOR_REQUEST_BYTES_AVAILABLE;
USETW(req.wValue, 0);
USETW(req.wIndex, 5);
USETW(req.wLength, sizeof(wAvail));
err = usbd_do_request(udev, NULL, &req, &wAvail);
if (err) {
goto done;
}
DPRINTF("avail=%d\n", UGETW(wAvail));
#endif
DPRINTF("done\n");
done:
return (err);
}
static void
uvisor_cfg_open(struct ucom_softc *ucom)
{
return;
}
static void
uvisor_cfg_close(struct ucom_softc *ucom)
{
struct uvisor_softc *sc = ucom->sc_parent;
uint8_t buffer[UVISOR_CONNECTION_INFO_SIZE];
struct usb_device_request req;
usb_error_t err;
req.bmRequestType = UT_READ_VENDOR_ENDPOINT; /* XXX read? */
req.bRequest = UVISOR_CLOSE_NOTIFICATION;
USETW(req.wValue, 0);
USETW(req.wIndex, 0);
USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE);
err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
&req, buffer, 0, 1000);
if (err) {
DPRINTFN(0, "close notification failed, error=%s\n",
usbd_errstr(err));
}
}
static void
uvisor_start_read(struct ucom_softc *ucom)
{
struct uvisor_softc *sc = ucom->sc_parent;
usbd_transfer_start(sc->sc_xfer[UVISOR_BULK_DT_RD]);
}
static void
uvisor_stop_read(struct ucom_softc *ucom)
{
struct uvisor_softc *sc = ucom->sc_parent;
usbd_transfer_stop(sc->sc_xfer[UVISOR_BULK_DT_RD]);
}
static void
uvisor_start_write(struct ucom_softc *ucom)
{
struct uvisor_softc *sc = ucom->sc_parent;
usbd_transfer_start(sc->sc_xfer[UVISOR_BULK_DT_WR]);
}
static void
uvisor_stop_write(struct ucom_softc *ucom)
{
struct uvisor_softc *sc = ucom->sc_parent;
usbd_transfer_stop(sc->sc_xfer[UVISOR_BULK_DT_WR]);
}
static void
uvisor_write_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct uvisor_softc *sc = usbd_xfer_softc(xfer);
struct usb_page_cache *pc;
uint32_t actlen;
uint8_t x;
switch (USB_GET_STATE(xfer)) {
case USB_ST_SETUP:
case USB_ST_TRANSFERRED:
tr_setup:
for (x = 0; x != UVISOROFRAMES; x++) {
usbd_xfer_set_frame_offset(xfer,
x * UVISOROBUFSIZE, x);
pc = usbd_xfer_get_frame(xfer, x);
if (ucom_get_data(&sc->sc_ucom, pc, 0,
UVISOROBUFSIZE, &actlen)) {
usbd_xfer_set_frame_len(xfer, x, actlen);
} else {
break;
}
}
/* check for data */
if (x != 0) {
usbd_xfer_set_frames(xfer, x);
usbd_transfer_submit(xfer);
}
break;
default: /* Error */
if (error != USB_ERR_CANCELLED) {
/* try to clear stall first */
usbd_xfer_set_stall(xfer);
goto tr_setup;
}
break;
}
}
static void
uvisor_read_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct uvisor_softc *sc = usbd_xfer_softc(xfer);
struct usb_page_cache *pc;
int actlen;
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
pc = usbd_xfer_get_frame(xfer, 0);
ucom_put_data(&sc->sc_ucom, pc, 0, actlen);
case USB_ST_SETUP:
tr_setup:
usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
usbd_transfer_submit(xfer);
return;
default: /* Error */
if (error != USB_ERR_CANCELLED) {
/* try to clear stall first */
usbd_xfer_set_stall(xfer);
goto tr_setup;
}
return;
}
}