Commit 8949d2aa authored by Evgeniy Polyakov's avatar Evgeniy Polyakov Committed by Greg Kroah-Hartman
Browse files

[PATCH] W1: Sync with w1/ds9490 tree.



Whitespace, static/nonstatic cleanups.
Signed-off-by: default avatarEvgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 2d833179
/*
* ds_w1_bridge.c
* ds_w1_bridge.c
*
* Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
*
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
......@@ -25,7 +25,7 @@
#include "../w1/w1.h"
#include "../w1/w1_int.h"
#include "dscore.h"
static struct ds_device *ds_dev;
static struct w1_bus_master *ds_bus_master;
......@@ -120,7 +120,7 @@ static u8 ds9490r_reset(unsigned long data)
static int __devinit ds_w1_init(void)
{
int err;
ds_bus_master = kmalloc(sizeof(*ds_bus_master), GFP_KERNEL);
if (!ds_bus_master) {
printk(KERN_ERR "Failed to allocate DS9490R USB<->W1 bus_master structure.\n");
......@@ -136,14 +136,14 @@ static int __devinit ds_w1_init(void)
memset(ds_bus_master, 0, sizeof(*ds_bus_master));
ds_bus_master->data = (unsigned long)ds_dev;
ds_bus_master->touch_bit = &ds9490r_touch_bit;
ds_bus_master->read_bit = &ds9490r_read_bit;
ds_bus_master->write_bit = &ds9490r_write_bit;
ds_bus_master->read_byte = &ds9490r_read_byte;
ds_bus_master->write_byte = &ds9490r_write_byte;
ds_bus_master->read_block = &ds9490r_read_block;
ds_bus_master->write_block = &ds9490r_write_block;
ds_bus_master->data = (unsigned long)ds_dev;
ds_bus_master->touch_bit = &ds9490r_touch_bit;
ds_bus_master->read_bit = &ds9490r_read_bit;
ds_bus_master->write_bit = &ds9490r_write_bit;
ds_bus_master->read_byte = &ds9490r_read_byte;
ds_bus_master->write_byte = &ds9490r_write_byte;
ds_bus_master->read_block = &ds9490r_read_block;
ds_bus_master->write_block = &ds9490r_write_block;
ds_bus_master->reset_bus = &ds9490r_reset;
err = w1_add_master_device(ds_bus_master);
......
/*
* dscore.c
* dscore.c
*
* Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
*
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
......@@ -32,19 +32,16 @@ static struct usb_device_id ds_id_table [] = {
};
MODULE_DEVICE_TABLE(usb, ds_id_table);
int ds_probe(struct usb_interface *, const struct usb_device_id *);
void ds_disconnect(struct usb_interface *);
static int ds_probe(struct usb_interface *, const struct usb_device_id *);
static void ds_disconnect(struct usb_interface *);
int ds_touch_bit(struct ds_device *, u8, u8 *);
int ds_read_byte(struct ds_device *, u8 *);
int ds_read_bit(struct ds_device *, u8 *);
int ds_write_byte(struct ds_device *, u8);
int ds_write_bit(struct ds_device *, u8);
int ds_start_pulse(struct ds_device *, int);
int ds_set_speed(struct ds_device *, int);
static int ds_start_pulse(struct ds_device *, int);
int ds_reset(struct ds_device *, struct ds_status *);
int ds_detect(struct ds_device *, struct ds_status *);
int ds_stop_pulse(struct ds_device *, int);
struct ds_device * ds_get_device(void);
void ds_put_device(struct ds_device *);
......@@ -79,11 +76,11 @@ void ds_put_device(struct ds_device *dev)
static int ds_send_control_cmd(struct ds_device *dev, u16 value, u16 index)
{
int err;
err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),
err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),
CONTROL_CMD, 0x40, value, index, NULL, 0, 1000);
if (err < 0) {
printk(KERN_ERR "Failed to send command control message %x.%x: err=%d.\n",
printk(KERN_ERR "Failed to send command control message %x.%x: err=%d.\n",
value, index, err);
return err;
}
......@@ -94,11 +91,11 @@ static int ds_send_control_cmd(struct ds_device *dev, u16 value, u16 index)
static int ds_send_control_mode(struct ds_device *dev, u16 value, u16 index)
{
int err;
err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),
err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),
MODE_CMD, 0x40, value, index, NULL, 0, 1000);
if (err < 0) {
printk(KERN_ERR "Failed to send mode control message %x.%x: err=%d.\n",
printk(KERN_ERR "Failed to send mode control message %x.%x: err=%d.\n",
value, index, err);
return err;
}
......@@ -109,11 +106,11 @@ static int ds_send_control_mode(struct ds_device *dev, u16 value, u16 index)
static int ds_send_control(struct ds_device *dev, u16 value, u16 index)
{
int err;
err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),
err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),
COMM_CMD, 0x40, value, index, NULL, 0, 1000);
if (err < 0) {
printk(KERN_ERR "Failed to send control message %x.%x: err=%d.\n",
printk(KERN_ERR "Failed to send control message %x.%x: err=%d.\n",
value, index, err);
return err;
}
......@@ -126,19 +123,20 @@ static inline void ds_dump_status(unsigned char *buf, unsigned char *str, int of
printk("%45s: %8x\n", str, buf[off]);
}
int ds_recv_status_nodump(struct ds_device *dev, struct ds_status *st, unsigned char *buf, int size)
static int ds_recv_status_nodump(struct ds_device *dev, struct ds_status *st,
unsigned char *buf, int size)
{
int count, err;
memset(st, 0, sizeof(st));
count = 0;
err = usb_bulk_msg(dev->udev, usb_rcvbulkpipe(dev->udev, dev->ep[EP_STATUS]), buf, size, &count, 100);
if (err < 0) {
printk(KERN_ERR "Failed to read 1-wire data from 0x%x: err=%d.\n", dev->ep[EP_STATUS], err);
return err;
}
if (count >= sizeof(*st))
memcpy(st, buf, sizeof(*st));
......@@ -149,13 +147,13 @@ static int ds_recv_status(struct ds_device *dev, struct ds_status *st)
{
unsigned char buf[64];
int count, err = 0, i;
memcpy(st, buf, sizeof(*st));
count = ds_recv_status_nodump(dev, st, buf, sizeof(buf));
if (count < 0)
return err;
printk("0x%x: count=%d, status: ", dev->ep[EP_STATUS], count);
for (i=0; i<count; ++i)
printk("%02x ", buf[i]);
......@@ -199,7 +197,7 @@ static int ds_recv_status(struct ds_device *dev, struct ds_status *st)
return err;
}
#endif
return err;
}
......@@ -207,9 +205,9 @@ static int ds_recv_data(struct ds_device *dev, unsigned char *buf, int size)
{
int count, err;
struct ds_status st;
count = 0;
err = usb_bulk_msg(dev->udev, usb_rcvbulkpipe(dev->udev, dev->ep[EP_DATA_IN]),
err = usb_bulk_msg(dev->udev, usb_rcvbulkpipe(dev->udev, dev->ep[EP_DATA_IN]),
buf, size, &count, 1000);
if (err < 0) {
printk(KERN_INFO "Clearing ep0x%x.\n", dev->ep[EP_DATA_IN]);
......@@ -234,7 +232,7 @@ static int ds_recv_data(struct ds_device *dev, unsigned char *buf, int size)
static int ds_send_data(struct ds_device *dev, unsigned char *buf, int len)
{
int count, err;
count = 0;
err = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, dev->ep[EP_DATA_OUT]), buf, len, &count, 1000);
if (err < 0) {
......@@ -245,12 +243,14 @@ static int ds_send_data(struct ds_device *dev, unsigned char *buf, int len)
return err;
}
#if 0
int ds_stop_pulse(struct ds_device *dev, int limit)
{
struct ds_status st;
int count = 0, err = 0;
u8 buf[0x20];
do {
err = ds_send_control(dev, CTL_HALT_EXE_IDLE, 0);
if (err)
......@@ -275,7 +275,7 @@ int ds_stop_pulse(struct ds_device *dev, int limit)
int ds_detect(struct ds_device *dev, struct ds_status *st)
{
int err;
err = ds_send_control_cmd(dev, CTL_RESET_DEVICE, 0);
if (err)
return err;
......@@ -283,11 +283,11 @@ int ds_detect(struct ds_device *dev, struct ds_status *st)
err = ds_send_control(dev, COMM_SET_DURATION | COMM_IM, 0);
if (err)
return err;
err = ds_send_control(dev, COMM_SET_DURATION | COMM_IM | COMM_TYPE, 0x40);
if (err)
return err;
err = ds_send_control_mode(dev, MOD_PULSE_EN, PULSE_PROG);
if (err)
return err;
......@@ -297,7 +297,9 @@ int ds_detect(struct ds_device *dev, struct ds_status *st)
return err;
}
int ds_wait_status(struct ds_device *dev, struct ds_status *st)
#endif /* 0 */
static int ds_wait_status(struct ds_device *dev, struct ds_status *st)
{
u8 buf[0x20];
int err, count = 0;
......@@ -305,7 +307,7 @@ int ds_wait_status(struct ds_device *dev, struct ds_status *st)
do {
err = ds_recv_status_nodump(dev, st, buf, sizeof(buf));
#if 0
if (err >= 0) {
if (err >= 0) {
int i;
printk("0x%x: count=%d, status: ", dev->ep[EP_STATUS], err);
for (i=0; i<err; ++i)
......@@ -319,10 +321,8 @@ int ds_wait_status(struct ds_device *dev, struct ds_status *st)
if (((err > 16) && (buf[0x10] & 0x01)) || count >= 100 || err < 0) {
ds_recv_status(dev, st);
return -1;
}
else {
} else
return 0;
}
}
int ds_reset(struct ds_device *dev, struct ds_status *st)
......@@ -345,6 +345,7 @@ int ds_reset(struct ds_device *dev, struct ds_status *st)
return 0;
}
#if 0
int ds_set_speed(struct ds_device *dev, int speed)
{
int err;
......@@ -356,20 +357,21 @@ int ds_set_speed(struct ds_device *dev, int speed)
speed = SPEED_FLEXIBLE;
speed &= 0xff;
err = ds_send_control_mode(dev, MOD_1WIRE_SPEED, speed);
if (err)
return err;
return err;
}
#endif /* 0 */
int ds_start_pulse(struct ds_device *dev, int delay)
static int ds_start_pulse(struct ds_device *dev, int delay)
{
int err;
u8 del = 1 + (u8)(delay >> 4);
struct ds_status st;
#if 0
err = ds_stop_pulse(dev, 10);
if (err)
......@@ -390,7 +392,7 @@ int ds_start_pulse(struct ds_device *dev, int delay)
mdelay(delay);
ds_wait_status(dev, &st);
return err;
}
......@@ -400,7 +402,7 @@ int ds_touch_bit(struct ds_device *dev, u8 bit, u8 *tbit)
struct ds_status st;
u16 value = (COMM_BIT_IO | COMM_IM) | ((bit) ? COMM_D : 0);
u16 cmd;
err = ds_send_control(dev, value, 0);
if (err)
return err;
......@@ -430,7 +432,7 @@ int ds_write_bit(struct ds_device *dev, u8 bit)
{
int err;
struct ds_status st;
err = ds_send_control(dev, COMM_BIT_IO | COMM_IM | (bit) ? COMM_D : 0, 0);
if (err)
return err;
......@@ -445,7 +447,7 @@ int ds_write_byte(struct ds_device *dev, u8 byte)
int err;
struct ds_status st;
u8 rbyte;
err = ds_send_control(dev, COMM_BYTE_IO | COMM_IM | COMM_SPU, byte);
if (err)
return err;
......@@ -453,11 +455,11 @@ int ds_write_byte(struct ds_device *dev, u8 byte)
err = ds_wait_status(dev, &st);
if (err)
return err;
err = ds_recv_data(dev, &rbyte, sizeof(rbyte));
if (err < 0)
return err;
ds_start_pulse(dev, PULLUP_PULSE_DURATION);
return !(byte == rbyte);
......@@ -470,11 +472,11 @@ int ds_read_bit(struct ds_device *dev, u8 *bit)
err = ds_send_control_mode(dev, MOD_PULSE_EN, PULSE_SPUE);
if (err)
return err;
err = ds_send_control(dev, COMM_BIT_IO | COMM_IM | COMM_SPU | COMM_D, 0);
if (err)
return err;
err = ds_recv_data(dev, bit, sizeof(*bit));
if (err < 0)
return err;
......@@ -492,7 +494,7 @@ int ds_read_byte(struct ds_device *dev, u8 *byte)
return err;
ds_wait_status(dev, &st);
err = ds_recv_data(dev, byte, sizeof(*byte));
if (err < 0)
return err;
......@@ -509,17 +511,17 @@ int ds_read_block(struct ds_device *dev, u8 *buf, int len)
return -E2BIG;
memset(buf, 0xFF, len);
err = ds_send_data(dev, buf, len);
if (err < 0)
return err;
err = ds_send_control(dev, COMM_BLOCK_IO | COMM_IM | COMM_SPU, len);
if (err)
return err;
ds_wait_status(dev, &st);
memset(buf, 0x00, len);
err = ds_recv_data(dev, buf, len);
......@@ -530,11 +532,11 @@ int ds_write_block(struct ds_device *dev, u8 *buf, int len)
{
int err;
struct ds_status st;
err = ds_send_data(dev, buf, len);
if (err < 0)
return err;
ds_wait_status(dev, &st);
err = ds_send_control(dev, COMM_BLOCK_IO | COMM_IM | COMM_SPU, len);
......@@ -548,10 +550,12 @@ int ds_write_block(struct ds_device *dev, u8 *buf, int len)
return err;
ds_start_pulse(dev, PULLUP_PULSE_DURATION);
return !(err == len);
}
#if 0
int ds_search(struct ds_device *dev, u64 init, u64 *buf, u8 id_number, int conditional_search)
{
int err;
......@@ -559,11 +563,11 @@ int ds_search(struct ds_device *dev, u64 init, u64 *buf, u8 id_number, int condi
struct ds_status st;
memset(buf, 0, sizeof(buf));
err = ds_send_data(ds_dev, (unsigned char *)&init, 8);
if (err)
return err;
ds_wait_status(ds_dev, &st);
value = COMM_SEARCH_ACCESS | COMM_IM | COMM_SM | COMM_F | COMM_RTS;
......@@ -589,7 +593,7 @@ int ds_match_access(struct ds_device *dev, u64 init)
err = ds_send_data(dev, (unsigned char *)&init, sizeof(init));
if (err)
return err;
ds_wait_status(dev, &st);
err = ds_send_control(dev, COMM_MATCH_ACCESS | COMM_IM | COMM_RST, 0x0055);
......@@ -609,11 +613,11 @@ int ds_set_path(struct ds_device *dev, u64 init)
memcpy(buf, &init, 8);
buf[8] = BRANCH_MAIN;
err = ds_send_data(dev, buf, sizeof(buf));
if (err)
return err;
ds_wait_status(dev, &st);
err = ds_send_control(dev, COMM_SET_PATH | COMM_IM | COMM_RST, 0);
......@@ -625,7 +629,10 @@ int ds_set_path(struct ds_device *dev, u64 init)
return 0;
}
int ds_probe(struct usb_interface *intf, const struct usb_device_id *udev_id)
#endif /* 0 */
static int ds_probe(struct usb_interface *intf,
const struct usb_device_id *udev_id)
{
struct usb_device *udev = interface_to_usbdev(intf);
struct usb_endpoint_descriptor *endpoint;
......@@ -653,7 +660,7 @@ int ds_probe(struct usb_interface *intf, const struct usb_device_id *udev_id)
printk(KERN_ERR "Failed to reset configuration: err=%d.\n", err);
return err;
}
iface_desc = &intf->altsetting[0];
if (iface_desc->desc.bNumEndpoints != NUM_EP-1) {
printk(KERN_INFO "Num endpoints=%d. It is not DS9490R.\n", iface_desc->desc.bNumEndpoints);
......@@ -662,37 +669,37 @@ int ds_probe(struct usb_interface *intf, const struct usb_device_id *udev_id)
atomic_set(&ds_dev->refcnt, 0);
memset(ds_dev->ep, 0, sizeof(ds_dev->ep));
/*
* This loop doesn'd show control 0 endpoint,
* This loop doesn'd show control 0 endpoint,
* so we will fill only 1-3 endpoints entry.
*/
for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
endpoint = &iface_desc->endpoint[i].desc;
ds_dev->ep[i+1] = endpoint->bEndpointAddress;
printk("%d: addr=%x, size=%d, dir=%s, type=%x\n",
i, endpoint->bEndpointAddress, le16_to_cpu(endpoint->wMaxPacketSize),
(endpoint->bEndpointAddress & USB_DIR_IN)?"IN":"OUT",
endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK);
}
#if 0
{
int err, i;
u64 buf[3];
u64 init=0xb30000002078ee81ull;
struct ds_status st;
ds_reset(ds_dev, &st);
err = ds_search(ds_dev, init, buf, 3, 0);
if (err < 0)
return err;
for (i=0; i<err; ++i)
printk("%d: %llx\n", i, buf[i]);
printk("Resetting...\n");
printk("Resetting...\n");
ds_reset(ds_dev, &st);
printk("Setting path for %llx.\n", init);
err = ds_set_path(ds_dev, init);
......@@ -707,12 +714,12 @@ int ds_probe(struct usb_interface *intf, const struct usb_device_id *udev_id)
err = ds_search(ds_dev, init, buf, 3, 0);
printk("ds_search() returned %d\n", err);
if (err < 0)
return err;
for (i=0; i<err; ++i)
printk("%d: %llx\n", i, buf[i]);
return 0;
}
#endif
......@@ -720,10 +727,10 @@ int ds_probe(struct usb_interface *intf, const struct usb_device_id *udev_id)
return 0;
}
void ds_disconnect(struct usb_interface *intf)
static void ds_disconnect(struct usb_interface *intf)
{
struct ds_device *dev;
dev = usb_get_intfdata(intf);
usb_set_intfdata(intf, NULL);
......@@ -740,7 +747,7 @@ void ds_disconnect(struct usb_interface *intf)
ds_dev = NULL;
}
int ds_init(void)
static int ds_init(void)
{
int err;
......@@ -753,7 +760,7 @@ int ds_init(void)
return 0;
}
void ds_fini(void)
static void ds_fini(void)
{
usb_deregister(&ds_driver);
}
......@@ -776,8 +783,8 @@ EXPORT_SYMBOL(ds_get_device);
EXPORT_SYMBOL(ds_put_device);
/*
* This functions can be used for EEPROM programming,
* when driver will be included into mainline this will
* This functions can be used for EEPROM programming,
* when driver will be included into mainline this will
* require uncommenting.
*/
#if 0
......
/*
* dscore.h
* dscore.h
*
* Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
*
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
......@@ -122,7 +122,7 @@
struct ds_device
{
struct usb_device *udev;
struct usb_device *udev;
struct usb_interface *intf;
int ep[NUM_EP];
......@@ -156,11 +156,7 @@ int ds_read_byte(struct ds_device *, u8 *);
int ds_read_bit(struct ds_device *, u8 *);
int ds_write_byte(struct ds_device *, u8);
int ds_write_bit(struct ds_device *, u8);
int ds_start_pulse(struct ds_device *, int);
int ds_set_speed(struct ds_device *, int);
int ds_reset(struct ds_device *, struct ds_status *);
int ds_detect(struct ds_device *, struct ds_status *);
int ds_stop_pulse(struct ds_device *, int);
struct ds_device * ds_get_device(void);
void ds_put_device(struct ds_device *);
int ds_write_block(struct ds_device *, u8 *, int);
......
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