[PATCH] W1: Sync with w1/ds9490 tree.
Whitespace, static/nonstatic cleanups. Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Evgeniy Polyakov
Greg Kroah-Hartman
parent
2d8331792e
commit
8949d2aa05
3 changed files with 99 additions and 96 deletions
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@ -1,8 +1,8 @@
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/*
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* ds_w1_bridge.c
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* ds_w1_bridge.c
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*
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* Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
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*
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@ -25,7 +25,7 @@
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#include "../w1/w1.h"
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#include "../w1/w1_int.h"
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#include "dscore.h"
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static struct ds_device *ds_dev;
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static struct w1_bus_master *ds_bus_master;
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@ -120,7 +120,7 @@ static u8 ds9490r_reset(unsigned long data)
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static int __devinit ds_w1_init(void)
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{
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int err;
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ds_bus_master = kmalloc(sizeof(*ds_bus_master), GFP_KERNEL);
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if (!ds_bus_master) {
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printk(KERN_ERR "Failed to allocate DS9490R USB<->W1 bus_master structure.\n");
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@ -136,14 +136,14 @@ static int __devinit ds_w1_init(void)
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memset(ds_bus_master, 0, sizeof(*ds_bus_master));
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ds_bus_master->data = (unsigned long)ds_dev;
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ds_bus_master->touch_bit = &ds9490r_touch_bit;
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ds_bus_master->read_bit = &ds9490r_read_bit;
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ds_bus_master->write_bit = &ds9490r_write_bit;
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ds_bus_master->read_byte = &ds9490r_read_byte;
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ds_bus_master->write_byte = &ds9490r_write_byte;
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ds_bus_master->read_block = &ds9490r_read_block;
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ds_bus_master->write_block = &ds9490r_write_block;
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ds_bus_master->data = (unsigned long)ds_dev;
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ds_bus_master->touch_bit = &ds9490r_touch_bit;
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ds_bus_master->read_bit = &ds9490r_read_bit;
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ds_bus_master->write_bit = &ds9490r_write_bit;
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ds_bus_master->read_byte = &ds9490r_read_byte;
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ds_bus_master->write_byte = &ds9490r_write_byte;
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ds_bus_master->read_block = &ds9490r_read_block;
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ds_bus_master->write_block = &ds9490r_write_block;
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ds_bus_master->reset_bus = &ds9490r_reset;
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err = w1_add_master_device(ds_bus_master);
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@ -1,8 +1,8 @@
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/*
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* dscore.c
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* dscore.c
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*
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* Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
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*
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@ -32,19 +32,16 @@ static struct usb_device_id ds_id_table [] = {
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};
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MODULE_DEVICE_TABLE(usb, ds_id_table);
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int ds_probe(struct usb_interface *, const struct usb_device_id *);
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void ds_disconnect(struct usb_interface *);
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static int ds_probe(struct usb_interface *, const struct usb_device_id *);
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static void ds_disconnect(struct usb_interface *);
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int ds_touch_bit(struct ds_device *, u8, u8 *);
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int ds_read_byte(struct ds_device *, u8 *);
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int ds_read_bit(struct ds_device *, u8 *);
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int ds_write_byte(struct ds_device *, u8);
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int ds_write_bit(struct ds_device *, u8);
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int ds_start_pulse(struct ds_device *, int);
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int ds_set_speed(struct ds_device *, int);
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static int ds_start_pulse(struct ds_device *, int);
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int ds_reset(struct ds_device *, struct ds_status *);
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int ds_detect(struct ds_device *, struct ds_status *);
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int ds_stop_pulse(struct ds_device *, int);
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struct ds_device * ds_get_device(void);
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void ds_put_device(struct ds_device *);
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@ -79,11 +76,11 @@ void ds_put_device(struct ds_device *dev)
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static int ds_send_control_cmd(struct ds_device *dev, u16 value, u16 index)
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{
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int err;
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err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),
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err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),
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CONTROL_CMD, 0x40, value, index, NULL, 0, 1000);
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if (err < 0) {
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printk(KERN_ERR "Failed to send command control message %x.%x: err=%d.\n",
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printk(KERN_ERR "Failed to send command control message %x.%x: err=%d.\n",
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value, index, err);
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return err;
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}
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@ -94,11 +91,11 @@ static int ds_send_control_cmd(struct ds_device *dev, u16 value, u16 index)
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static int ds_send_control_mode(struct ds_device *dev, u16 value, u16 index)
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{
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int err;
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err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),
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err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),
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MODE_CMD, 0x40, value, index, NULL, 0, 1000);
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if (err < 0) {
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printk(KERN_ERR "Failed to send mode control message %x.%x: err=%d.\n",
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printk(KERN_ERR "Failed to send mode control message %x.%x: err=%d.\n",
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value, index, err);
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return err;
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}
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@ -109,11 +106,11 @@ static int ds_send_control_mode(struct ds_device *dev, u16 value, u16 index)
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static int ds_send_control(struct ds_device *dev, u16 value, u16 index)
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{
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int err;
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err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),
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err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),
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COMM_CMD, 0x40, value, index, NULL, 0, 1000);
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if (err < 0) {
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printk(KERN_ERR "Failed to send control message %x.%x: err=%d.\n",
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printk(KERN_ERR "Failed to send control message %x.%x: err=%d.\n",
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value, index, err);
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return err;
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}
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@ -126,19 +123,20 @@ static inline void ds_dump_status(unsigned char *buf, unsigned char *str, int of
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printk("%45s: %8x\n", str, buf[off]);
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}
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int ds_recv_status_nodump(struct ds_device *dev, struct ds_status *st, unsigned char *buf, int size)
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static int ds_recv_status_nodump(struct ds_device *dev, struct ds_status *st,
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unsigned char *buf, int size)
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{
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int count, err;
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memset(st, 0, sizeof(st));
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count = 0;
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err = usb_bulk_msg(dev->udev, usb_rcvbulkpipe(dev->udev, dev->ep[EP_STATUS]), buf, size, &count, 100);
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if (err < 0) {
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printk(KERN_ERR "Failed to read 1-wire data from 0x%x: err=%d.\n", dev->ep[EP_STATUS], err);
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return err;
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}
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if (count >= sizeof(*st))
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memcpy(st, buf, sizeof(*st));
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@ -149,13 +147,13 @@ static int ds_recv_status(struct ds_device *dev, struct ds_status *st)
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{
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unsigned char buf[64];
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int count, err = 0, i;
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memcpy(st, buf, sizeof(*st));
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count = ds_recv_status_nodump(dev, st, buf, sizeof(buf));
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if (count < 0)
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return err;
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printk("0x%x: count=%d, status: ", dev->ep[EP_STATUS], count);
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for (i=0; i<count; ++i)
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printk("%02x ", buf[i]);
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@ -199,7 +197,7 @@ static int ds_recv_status(struct ds_device *dev, struct ds_status *st)
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return err;
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}
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#endif
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return err;
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}
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@ -207,9 +205,9 @@ static int ds_recv_data(struct ds_device *dev, unsigned char *buf, int size)
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{
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int count, err;
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struct ds_status st;
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count = 0;
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err = usb_bulk_msg(dev->udev, usb_rcvbulkpipe(dev->udev, dev->ep[EP_DATA_IN]),
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err = usb_bulk_msg(dev->udev, usb_rcvbulkpipe(dev->udev, dev->ep[EP_DATA_IN]),
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buf, size, &count, 1000);
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if (err < 0) {
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printk(KERN_INFO "Clearing ep0x%x.\n", dev->ep[EP_DATA_IN]);
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@ -234,7 +232,7 @@ static int ds_recv_data(struct ds_device *dev, unsigned char *buf, int size)
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static int ds_send_data(struct ds_device *dev, unsigned char *buf, int len)
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{
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int count, err;
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count = 0;
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err = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, dev->ep[EP_DATA_OUT]), buf, len, &count, 1000);
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if (err < 0) {
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@ -245,12 +243,14 @@ static int ds_send_data(struct ds_device *dev, unsigned char *buf, int len)
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return err;
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}
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#if 0
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int ds_stop_pulse(struct ds_device *dev, int limit)
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{
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struct ds_status st;
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int count = 0, err = 0;
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u8 buf[0x20];
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do {
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err = ds_send_control(dev, CTL_HALT_EXE_IDLE, 0);
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if (err)
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@ -275,7 +275,7 @@ int ds_stop_pulse(struct ds_device *dev, int limit)
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int ds_detect(struct ds_device *dev, struct ds_status *st)
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{
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int err;
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err = ds_send_control_cmd(dev, CTL_RESET_DEVICE, 0);
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if (err)
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return err;
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@ -283,11 +283,11 @@ int ds_detect(struct ds_device *dev, struct ds_status *st)
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err = ds_send_control(dev, COMM_SET_DURATION | COMM_IM, 0);
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if (err)
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return err;
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err = ds_send_control(dev, COMM_SET_DURATION | COMM_IM | COMM_TYPE, 0x40);
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if (err)
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return err;
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err = ds_send_control_mode(dev, MOD_PULSE_EN, PULSE_PROG);
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if (err)
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return err;
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@ -297,7 +297,9 @@ int ds_detect(struct ds_device *dev, struct ds_status *st)
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return err;
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}
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int ds_wait_status(struct ds_device *dev, struct ds_status *st)
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#endif /* 0 */
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static int ds_wait_status(struct ds_device *dev, struct ds_status *st)
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{
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u8 buf[0x20];
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int err, count = 0;
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@ -305,7 +307,7 @@ int ds_wait_status(struct ds_device *dev, struct ds_status *st)
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do {
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err = ds_recv_status_nodump(dev, st, buf, sizeof(buf));
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#if 0
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if (err >= 0) {
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if (err >= 0) {
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int i;
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printk("0x%x: count=%d, status: ", dev->ep[EP_STATUS], err);
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for (i=0; i<err; ++i)
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@ -319,10 +321,8 @@ int ds_wait_status(struct ds_device *dev, struct ds_status *st)
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if (((err > 16) && (buf[0x10] & 0x01)) || count >= 100 || err < 0) {
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ds_recv_status(dev, st);
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return -1;
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}
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else {
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} else
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return 0;
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}
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}
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int ds_reset(struct ds_device *dev, struct ds_status *st)
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@ -345,6 +345,7 @@ int ds_reset(struct ds_device *dev, struct ds_status *st)
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return 0;
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}
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#if 0
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int ds_set_speed(struct ds_device *dev, int speed)
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{
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int err;
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@ -356,20 +357,21 @@ int ds_set_speed(struct ds_device *dev, int speed)
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speed = SPEED_FLEXIBLE;
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speed &= 0xff;
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err = ds_send_control_mode(dev, MOD_1WIRE_SPEED, speed);
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if (err)
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return err;
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return err;
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}
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#endif /* 0 */
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int ds_start_pulse(struct ds_device *dev, int delay)
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static int ds_start_pulse(struct ds_device *dev, int delay)
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{
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int err;
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u8 del = 1 + (u8)(delay >> 4);
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struct ds_status st;
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#if 0
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err = ds_stop_pulse(dev, 10);
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if (err)
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@ -390,7 +392,7 @@ int ds_start_pulse(struct ds_device *dev, int delay)
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mdelay(delay);
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ds_wait_status(dev, &st);
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return err;
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}
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@ -400,7 +402,7 @@ int ds_touch_bit(struct ds_device *dev, u8 bit, u8 *tbit)
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struct ds_status st;
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u16 value = (COMM_BIT_IO | COMM_IM) | ((bit) ? COMM_D : 0);
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u16 cmd;
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err = ds_send_control(dev, value, 0);
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if (err)
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return err;
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@ -430,7 +432,7 @@ int ds_write_bit(struct ds_device *dev, u8 bit)
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{
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int err;
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struct ds_status st;
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err = ds_send_control(dev, COMM_BIT_IO | COMM_IM | (bit) ? COMM_D : 0, 0);
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if (err)
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return err;
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@ -445,7 +447,7 @@ int ds_write_byte(struct ds_device *dev, u8 byte)
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int err;
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struct ds_status st;
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u8 rbyte;
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err = ds_send_control(dev, COMM_BYTE_IO | COMM_IM | COMM_SPU, byte);
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if (err)
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return err;
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@ -453,11 +455,11 @@ int ds_write_byte(struct ds_device *dev, u8 byte)
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err = ds_wait_status(dev, &st);
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if (err)
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return err;
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err = ds_recv_data(dev, &rbyte, sizeof(rbyte));
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if (err < 0)
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return err;
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ds_start_pulse(dev, PULLUP_PULSE_DURATION);
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return !(byte == rbyte);
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@ -470,11 +472,11 @@ int ds_read_bit(struct ds_device *dev, u8 *bit)
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err = ds_send_control_mode(dev, MOD_PULSE_EN, PULSE_SPUE);
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if (err)
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return err;
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err = ds_send_control(dev, COMM_BIT_IO | COMM_IM | COMM_SPU | COMM_D, 0);
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if (err)
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return err;
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err = ds_recv_data(dev, bit, sizeof(*bit));
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if (err < 0)
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return err;
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@ -492,7 +494,7 @@ int ds_read_byte(struct ds_device *dev, u8 *byte)
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return err;
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ds_wait_status(dev, &st);
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err = ds_recv_data(dev, byte, sizeof(*byte));
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if (err < 0)
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return err;
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@ -509,17 +511,17 @@ int ds_read_block(struct ds_device *dev, u8 *buf, int len)
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return -E2BIG;
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memset(buf, 0xFF, len);
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err = ds_send_data(dev, buf, len);
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if (err < 0)
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return err;
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err = ds_send_control(dev, COMM_BLOCK_IO | COMM_IM | COMM_SPU, len);
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if (err)
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return err;
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ds_wait_status(dev, &st);
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memset(buf, 0x00, len);
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err = ds_recv_data(dev, buf, len);
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@ -530,11 +532,11 @@ int ds_write_block(struct ds_device *dev, u8 *buf, int len)
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{
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int err;
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struct ds_status st;
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err = ds_send_data(dev, buf, len);
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if (err < 0)
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return err;
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ds_wait_status(dev, &st);
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err = ds_send_control(dev, COMM_BLOCK_IO | COMM_IM | COMM_SPU, len);
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@ -548,10 +550,12 @@ int ds_write_block(struct ds_device *dev, u8 *buf, int len)
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return err;
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ds_start_pulse(dev, PULLUP_PULSE_DURATION);
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return !(err == len);
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}
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#if 0
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int ds_search(struct ds_device *dev, u64 init, u64 *buf, u8 id_number, int conditional_search)
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{
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int err;
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@ -559,11 +563,11 @@ int ds_search(struct ds_device *dev, u64 init, u64 *buf, u8 id_number, int condi
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struct ds_status st;
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|
||||
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
|
||||
|
|
|
|||
|
|
@ -1,8 +1,8 @@
|
|||
/*
|
||||
* 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);
|
||||
|
|
|
|||
Loading…
Reference in a new issue