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@@ -1,7 +1,6 @@
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-/* -*- c-file-style: "linux" -*-
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- *
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- * nosy.c - Snoop mode driver for TI pcilynx 1394 controllers
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- * Copyright (C) 2002 Kristian Høgsberg
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+/*
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+ * nosy - Snoop mode driver for TI PCILynx 1394 controllers
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+ * Copyright (C) 2002-2007 Kristian Høgsberg
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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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* 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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* it under the terms of the GNU General Public License as published by
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@@ -18,23 +17,25 @@
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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*/
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-#include <linux/kernel.h>
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-#include <linux/slab.h>
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-#include <linux/interrupt.h>
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-#include <linux/sched.h> /* required for linux/wait.h */
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-#include <linux/wait.h>
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#include <linux/errno.h>
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#include <linux/errno.h>
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-#include <linux/module.h>
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+#include <linux/fs.h>
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#include <linux/init.h>
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#include <linux/init.h>
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+#include <linux/interrupt.h>
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+#include <linux/io.h>
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+#include <linux/kernel.h>
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+#include <linux/miscdevice.h>
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+#include <linux/module.h>
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#include <linux/pci.h>
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#include <linux/pci.h>
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-#include <linux/fs.h>
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#include <linux/poll.h>
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#include <linux/poll.h>
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-#include <linux/miscdevice.h>
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-#include <asm/byteorder.h>
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+#include <linux/sched.h> /* required for linux/wait.h */
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+#include <linux/slab.h>
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+#include <linux/spinlock.h>
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+#include <linux/timex.h>
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+#include <linux/uaccess.h>
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+#include <linux/wait.h>
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+
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#include <asm/atomic.h>
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#include <asm/atomic.h>
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-#include <asm/io.h>
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-#include <asm/uaccess.h>
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-#include <asm/timex.h>
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+#include <asm/byteorder.h>
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#include "nosy.h"
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#include "nosy.h"
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#include "nosy-user.h"
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#include "nosy-user.h"
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@@ -46,7 +47,7 @@
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#define error(s, args...) printk(KERN_ERR s, ## args)
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#define error(s, args...) printk(KERN_ERR s, ## args)
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#define debug(s, args...) printk(KERN_DEBUG s, ## args)
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#define debug(s, args...) printk(KERN_DEBUG s, ## args)
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-static const char driver_name[] = "nosy";
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+static char driver_name[] = KBUILD_MODNAME;
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struct pcl_status {
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struct pcl_status {
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unsigned int transfer_count : 13;
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unsigned int transfer_count : 13;
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@@ -77,8 +78,7 @@ struct pcl {
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} __attribute__ ((packed));
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} __attribute__ ((packed));
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struct packet {
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struct packet {
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- unsigned int length : 16;
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- unsigned int code : 16;
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+ unsigned int length;
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char data[0];
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char data[0];
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};
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};
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@@ -87,8 +87,8 @@ struct packet_buffer {
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size_t capacity;
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size_t capacity;
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long total_packet_count, lost_packet_count;
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long total_packet_count, lost_packet_count;
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atomic_t size;
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atomic_t size;
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- struct packet *head, *tail;
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- wait_queue_head_t wait;
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+ struct packet *head, *tail;
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+ wait_queue_head_t wait;
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};
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};
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struct pcilynx {
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struct pcilynx {
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@@ -106,7 +106,6 @@ struct pcilynx {
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struct miscdevice misc;
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struct miscdevice misc;
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};
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};
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-
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struct client {
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struct client {
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struct pcilynx *lynx;
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struct pcilynx *lynx;
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unsigned long tcode_mask;
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unsigned long tcode_mask;
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@@ -115,7 +114,7 @@ struct client {
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};
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};
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#define MAX_MINORS 64
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#define MAX_MINORS 64
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-struct pcilynx *minors[MAX_MINORS];
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+static struct pcilynx *minors[MAX_MINORS];
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static int
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static int
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packet_buffer_init(struct packet_buffer *buffer, size_t capacity)
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packet_buffer_init(struct packet_buffer *buffer, size_t capacity)
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@@ -128,7 +127,7 @@ packet_buffer_init(struct packet_buffer *buffer, size_t capacity)
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buffer->capacity = capacity;
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buffer->capacity = capacity;
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buffer->lost_packet_count = 0;
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buffer->lost_packet_count = 0;
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atomic_set(&buffer->size, 0);
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atomic_set(&buffer->size, 0);
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- init_waitqueue_head(&buffer->wait);
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+ init_waitqueue_head(&buffer->wait);
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return 0;
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return 0;
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}
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}
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@@ -158,8 +157,7 @@ packet_buffer_get(struct packet_buffer *buffer, void *data, size_t user_length)
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if (copy_to_user(data, buffer->head->data, length))
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if (copy_to_user(data, buffer->head->data, length))
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return -EFAULT;
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return -EFAULT;
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buffer->head = (struct packet *) &buffer->head->data[length];
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buffer->head = (struct packet *) &buffer->head->data[length];
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- }
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- else {
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+ } else {
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size_t split = end - buffer->head->data;
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size_t split = end - buffer->head->data;
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if (copy_to_user(data, buffer->head->data, split))
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if (copy_to_user(data, buffer->head->data, split))
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@@ -169,11 +167,12 @@ packet_buffer_get(struct packet_buffer *buffer, void *data, size_t user_length)
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buffer->head = (struct packet *) &buffer->data[length - split];
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buffer->head = (struct packet *) &buffer->data[length - split];
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}
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}
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- /* Decrease buffer->size as the last thing, since this is what
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+ /*
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+ * Decrease buffer->size as the last thing, since this is what
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* keeps the interrupt from overwriting the packet we are
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* keeps the interrupt from overwriting the packet we are
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- * retrieving from the buffer. */
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-
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- atomic_sub(sizeof (struct packet) + length, &buffer->size);
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+ * retrieving from the buffer.
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+ */
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+ atomic_sub(sizeof(struct packet) + length, &buffer->size);
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return length;
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return length;
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}
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}
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@@ -185,8 +184,8 @@ packet_buffer_put(struct packet_buffer *buffer, void *data, size_t length)
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buffer->total_packet_count++;
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buffer->total_packet_count++;
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- if (buffer->capacity <
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- atomic_read(&buffer->size) + sizeof (struct packet) + length) {
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+ if (buffer->capacity <
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+ atomic_read(&buffer->size) + sizeof(struct packet) + length) {
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buffer->lost_packet_count++;
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buffer->lost_packet_count++;
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return;
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return;
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}
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}
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@@ -197,69 +196,68 @@ packet_buffer_put(struct packet_buffer *buffer, void *data, size_t length)
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if (&buffer->tail->data[length] < end) {
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if (&buffer->tail->data[length] < end) {
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memcpy(buffer->tail->data, data, length);
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memcpy(buffer->tail->data, data, length);
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buffer->tail = (struct packet *) &buffer->tail->data[length];
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buffer->tail = (struct packet *) &buffer->tail->data[length];
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- }
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- else {
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+ } else {
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size_t split = end - buffer->tail->data;
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size_t split = end - buffer->tail->data;
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memcpy(buffer->tail->data, data, split);
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memcpy(buffer->tail->data, data, split);
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memcpy(buffer->data, data + split, length - split);
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memcpy(buffer->data, data + split, length - split);
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buffer->tail = (struct packet *) &buffer->data[length - split];
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buffer->tail = (struct packet *) &buffer->data[length - split];
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}
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}
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-
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+
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/* Finally, adjust buffer size and wake up userspace reader. */
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/* Finally, adjust buffer size and wake up userspace reader. */
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- atomic_add(sizeof (struct packet) + length, &buffer->size);
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+ atomic_add(sizeof(struct packet) + length, &buffer->size);
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wake_up_interruptible(&buffer->wait);
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wake_up_interruptible(&buffer->wait);
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}
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}
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static inline void
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static inline void
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reg_write(struct pcilynx *lynx, int offset, u32 data)
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reg_write(struct pcilynx *lynx, int offset, u32 data)
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{
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{
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- writel(data, lynx->registers + offset);
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+ writel(data, lynx->registers + offset);
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}
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}
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static inline u32
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static inline u32
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reg_read(struct pcilynx *lynx, int offset)
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reg_read(struct pcilynx *lynx, int offset)
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{
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{
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- return readl(lynx->registers + offset);
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+ return readl(lynx->registers + offset);
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}
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}
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static inline void
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static inline void
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reg_set_bits(struct pcilynx *lynx, int offset, u32 mask)
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reg_set_bits(struct pcilynx *lynx, int offset, u32 mask)
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{
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{
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- reg_write(lynx, offset, (reg_read(lynx, offset) | mask));
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+ reg_write(lynx, offset, (reg_read(lynx, offset) | mask));
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}
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}
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-/* Maybe the pcl programs could be setup to just append data instead
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- * of using a whole packet. */
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-
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-static inline void
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-run_pcl(struct pcilynx *lynx, dma_addr_t pcl_bus, int dmachan)
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+/*
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+ * Maybe the pcl programs could be set up to just append data instead
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+ * of using a whole packet.
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+ */
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+static inline void
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+run_pcl(struct pcilynx *lynx, dma_addr_t pcl_bus,
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+ int dmachan)
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{
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{
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- reg_write(lynx, DMA0_CURRENT_PCL + dmachan * 0x20, pcl_bus);
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- reg_write(lynx, DMA0_CHAN_CTRL + dmachan * 0x20,
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- DMA_CHAN_CTRL_ENABLE | DMA_CHAN_CTRL_LINK);
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+ reg_write(lynx, DMA0_CURRENT_PCL + dmachan * 0x20, pcl_bus);
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+ reg_write(lynx, DMA0_CHAN_CTRL + dmachan * 0x20,
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+ DMA_CHAN_CTRL_ENABLE | DMA_CHAN_CTRL_LINK);
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}
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}
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static int
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static int
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set_phy_reg(struct pcilynx *lynx, int addr, int val)
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set_phy_reg(struct pcilynx *lynx, int addr, int val)
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{
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{
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- if (addr > 15) {
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- debug("%s: PHY register address %d out of range",
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- __FUNCTION__, addr);
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- return -1;
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- }
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-
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- if (val > 0xff) {
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- debug("%s: PHY register value %d out of range",
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- __FUNCTION__, val);
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- return -1;
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- }
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-
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- reg_write(lynx, LINK_PHY, LINK_PHY_WRITE |
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+ if (addr > 15) {
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+ debug("PHY register address %d out of range\n", addr);
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+ return -1;
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+ }
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+
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+ if (val > 0xff) {
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+ debug("PHY register value %d out of range\n", val);
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+ return -1;
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+ }
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+
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+ reg_write(lynx, LINK_PHY, LINK_PHY_WRITE |
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LINK_PHY_ADDR(addr) | LINK_PHY_WDATA(val));
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LINK_PHY_ADDR(addr) | LINK_PHY_WDATA(val));
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- return 0;
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+ return 0;
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}
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}
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static void
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static void
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@@ -317,7 +315,7 @@ nosy_open(struct inode *inode, struct file *file)
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if (minor > MAX_MINORS || minors[minor] == NULL)
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if (minor > MAX_MINORS || minors[minor] == NULL)
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return -ENODEV;
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return -ENODEV;
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- file->private_data = nosy_add_client(minors[minor]);
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+ file->private_data = nosy_add_client(minors[minor]);
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if (file->private_data == NULL)
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if (file->private_data == NULL)
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return -ENOMEM;
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return -ENOMEM;
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else
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else
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@@ -329,7 +327,7 @@ nosy_release(struct inode *inode, struct file *file)
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{
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{
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nosy_remove_client(file->private_data);
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nosy_remove_client(file->private_data);
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- return 0;
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+ return 0;
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}
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}
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static unsigned int
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static unsigned int
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@@ -358,19 +356,17 @@ nosy_ioctl(struct inode *inode, struct file *file,
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unsigned int cmd, unsigned long arg)
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unsigned int cmd, unsigned long arg)
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{
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{
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struct client *client = file->private_data;
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struct client *client = file->private_data;
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+ struct nosy_stats stats;
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switch (cmd) {
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switch (cmd) {
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- case NOSY_IOC_GET_STATS: {
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- struct nosy_stats stats;
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-
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+ case NOSY_IOC_GET_STATS:
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stats.total_packet_count = client->buffer.total_packet_count;
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stats.total_packet_count = client->buffer.total_packet_count;
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stats.lost_packet_count = client->buffer.lost_packet_count;
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stats.lost_packet_count = client->buffer.lost_packet_count;
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if (copy_to_user((void *) arg, &stats, sizeof stats))
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if (copy_to_user((void *) arg, &stats, sizeof stats))
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return -EFAULT;
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return -EFAULT;
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else
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else
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return 0;
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return 0;
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- }
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-
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+
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case NOSY_IOC_START:
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case NOSY_IOC_START:
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nosy_start_snoop(client);
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nosy_start_snoop(client);
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return 0;
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return 0;
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@@ -389,13 +385,13 @@ nosy_ioctl(struct inode *inode, struct file *file,
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}
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}
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}
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}
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-static struct file_operations nosy_ops = {
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+static const struct file_operations nosy_ops = {
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.owner = THIS_MODULE,
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.owner = THIS_MODULE,
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- .read = nosy_read,
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+ .read = nosy_read,
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.ioctl = nosy_ioctl,
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.ioctl = nosy_ioctl,
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- .poll = nosy_poll,
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- .open = nosy_open,
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- .release = nosy_release,
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+ .poll = nosy_poll,
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+ .open = nosy_open,
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+ .release = nosy_release,
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};
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};
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#define PHY_PACKET_SIZE 12 /* 1 payload, 1 inverse, 1 ack = 3 quadlets */
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#define PHY_PACKET_SIZE 12 /* 1 payload, 1 inverse, 1 ack = 3 quadlets */
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@@ -412,7 +408,6 @@ static void
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packet_handler(struct pcilynx *lynx)
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packet_handler(struct pcilynx *lynx)
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{
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{
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unsigned long flags;
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unsigned long flags;
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- struct list_head *pos;
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struct client *client;
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struct client *client;
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unsigned long tcode_mask;
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unsigned long tcode_mask;
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size_t length;
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size_t length;
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@@ -434,12 +429,10 @@ packet_handler(struct pcilynx *lynx)
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spin_lock_irqsave(&lynx->client_list_lock, flags);
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spin_lock_irqsave(&lynx->client_list_lock, flags);
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- list_for_each(pos, &lynx->client_list) {
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- client = list_entry(pos, struct client, link);
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|
|
|
|
+ list_for_each_entry(client, &lynx->client_list, link)
|
|
if (client->tcode_mask & tcode_mask)
|
|
if (client->tcode_mask & tcode_mask)
|
|
- packet_buffer_put(&client->buffer,
|
|
|
|
|
|
+ packet_buffer_put(&client->buffer,
|
|
lynx->rcv_buffer, length + 4);
|
|
lynx->rcv_buffer, length + 4);
|
|
- }
|
|
|
|
|
|
|
|
spin_unlock_irqrestore(&lynx->client_list_lock, flags);
|
|
spin_unlock_irqrestore(&lynx->client_list_lock, flags);
|
|
}
|
|
}
|
|
@@ -448,7 +441,6 @@ static void
|
|
bus_reset_handler(struct pcilynx *lynx)
|
|
bus_reset_handler(struct pcilynx *lynx)
|
|
{
|
|
{
|
|
unsigned long flags;
|
|
unsigned long flags;
|
|
- struct list_head *pos;
|
|
|
|
struct client *client;
|
|
struct client *client;
|
|
struct timeval tv;
|
|
struct timeval tv;
|
|
|
|
|
|
@@ -456,23 +448,19 @@ bus_reset_handler(struct pcilynx *lynx)
|
|
|
|
|
|
spin_lock_irqsave(&lynx->client_list_lock, flags);
|
|
spin_lock_irqsave(&lynx->client_list_lock, flags);
|
|
|
|
|
|
- list_for_each(pos, &lynx->client_list) {
|
|
|
|
- client = list_entry(pos, struct client, link);
|
|
|
|
|
|
+ list_for_each_entry(client, &lynx->client_list, link)
|
|
packet_buffer_put(&client->buffer, &tv.tv_usec, 4);
|
|
packet_buffer_put(&client->buffer, &tv.tv_usec, 4);
|
|
- }
|
|
|
|
|
|
|
|
spin_unlock_irqrestore(&lynx->client_list_lock, flags);
|
|
spin_unlock_irqrestore(&lynx->client_list_lock, flags);
|
|
}
|
|
}
|
|
|
|
|
|
-
|
|
|
|
-
|
|
|
|
static irqreturn_t
|
|
static irqreturn_t
|
|
irq_handler(int irq, void *device)
|
|
irq_handler(int irq, void *device)
|
|
{
|
|
{
|
|
- struct pcilynx *lynx = (struct pcilynx *) device;
|
|
|
|
|
|
+ struct pcilynx *lynx = device;
|
|
u32 pci_int_status;
|
|
u32 pci_int_status;
|
|
-
|
|
|
|
- pci_int_status = reg_read(lynx, PCI_INT_STATUS);
|
|
|
|
|
|
+
|
|
|
|
+ pci_int_status = reg_read(lynx, PCI_INT_STATUS);
|
|
|
|
|
|
if ((pci_int_status & PCI_INT_INT_PEND) == 0)
|
|
if ((pci_int_status & PCI_INT_INT_PEND) == 0)
|
|
/* Not our interrupt, bail out quickly. */
|
|
/* Not our interrupt, bail out quickly. */
|
|
@@ -505,19 +493,19 @@ irq_handler(int irq, void *device)
|
|
static void
|
|
static void
|
|
remove_card(struct pci_dev *dev)
|
|
remove_card(struct pci_dev *dev)
|
|
{
|
|
{
|
|
- struct pcilynx *lynx;
|
|
|
|
|
|
+ struct pcilynx *lynx;
|
|
|
|
|
|
- lynx = pci_get_drvdata(dev);
|
|
|
|
- if (!lynx)
|
|
|
|
|
|
+ lynx = pci_get_drvdata(dev);
|
|
|
|
+ if (!lynx)
|
|
return;
|
|
return;
|
|
- pci_set_drvdata(dev, NULL);
|
|
|
|
|
|
+ pci_set_drvdata(dev, NULL);
|
|
|
|
|
|
reg_write(lynx, PCI_INT_ENABLE, 0);
|
|
reg_write(lynx, PCI_INT_ENABLE, 0);
|
|
free_irq(lynx->pci_device->irq, lynx);
|
|
free_irq(lynx->pci_device->irq, lynx);
|
|
|
|
|
|
- pci_free_consistent(lynx->pci_device, sizeof (struct pcl),
|
|
|
|
|
|
+ pci_free_consistent(lynx->pci_device, sizeof(struct pcl),
|
|
lynx->rcv_start_pcl, lynx->rcv_start_pcl_bus);
|
|
lynx->rcv_start_pcl, lynx->rcv_start_pcl_bus);
|
|
- pci_free_consistent(lynx->pci_device, sizeof (struct pcl),
|
|
|
|
|
|
+ pci_free_consistent(lynx->pci_device, sizeof(struct pcl),
|
|
lynx->rcv_pcl, lynx->rcv_pcl_bus);
|
|
lynx->rcv_pcl, lynx->rcv_pcl_bus);
|
|
pci_free_consistent(lynx->pci_device, PAGE_SIZE,
|
|
pci_free_consistent(lynx->pci_device, PAGE_SIZE,
|
|
lynx->rcv_buffer, lynx->rcv_buffer_bus);
|
|
lynx->rcv_buffer, lynx->rcv_buffer_bus);
|
|
@@ -532,64 +520,58 @@ remove_card(struct pci_dev *dev)
|
|
|
|
|
|
#define RCV_BUFFER_SIZE (16 * 1024)
|
|
#define RCV_BUFFER_SIZE (16 * 1024)
|
|
|
|
|
|
-#define FAIL(s, args...) \
|
|
|
|
- do { \
|
|
|
|
- error(s, ## args); \
|
|
|
|
- return err; \
|
|
|
|
- } while (0)
|
|
|
|
-
|
|
|
|
static int __devinit
|
|
static int __devinit
|
|
add_card(struct pci_dev *dev, const struct pci_device_id *unused)
|
|
add_card(struct pci_dev *dev, const struct pci_device_id *unused)
|
|
{
|
|
{
|
|
- struct pcilynx *lynx;
|
|
|
|
|
|
+ struct pcilynx *lynx;
|
|
u32 p, end;
|
|
u32 p, end;
|
|
- int err, i;
|
|
|
|
-
|
|
|
|
- err = -ENXIO;
|
|
|
|
|
|
+ int i;
|
|
|
|
|
|
- if (pci_set_dma_mask(dev, 0xffffffff))
|
|
|
|
- FAIL("DMA address limits not supported "
|
|
|
|
- "for PCILynx hardware.\n");
|
|
|
|
- if (pci_enable_device(dev))
|
|
|
|
- FAIL("Failed to enable PCILynx hardware.\n");
|
|
|
|
- pci_set_master(dev);
|
|
|
|
-
|
|
|
|
- err = -ENOMEM;
|
|
|
|
|
|
+ if (pci_set_dma_mask(dev, 0xffffffff)) {
|
|
|
|
+ error("DMA address limits not supported "
|
|
|
|
+ "for PCILynx hardware\n");
|
|
|
|
+ return -ENXIO;
|
|
|
|
+ }
|
|
|
|
+ if (pci_enable_device(dev)) {
|
|
|
|
+ error("Failed to enable PCILynx hardware\n");
|
|
|
|
+ return -ENXIO;
|
|
|
|
+ }
|
|
|
|
+ pci_set_master(dev);
|
|
|
|
|
|
lynx = kzalloc(sizeof *lynx, GFP_KERNEL);
|
|
lynx = kzalloc(sizeof *lynx, GFP_KERNEL);
|
|
- if (lynx == NULL)
|
|
|
|
- FAIL("Failed to allocate control structure memory.\n");
|
|
|
|
-
|
|
|
|
- lynx->pci_device = dev;
|
|
|
|
- pci_set_drvdata(dev, lynx);
|
|
|
|
|
|
+ if (lynx == NULL) {
|
|
|
|
+ error("Failed to allocate control structure memory\n");
|
|
|
|
+ return -ENOMEM;
|
|
|
|
+ }
|
|
|
|
+ lynx->pci_device = dev;
|
|
|
|
+ pci_set_drvdata(dev, lynx);
|
|
|
|
|
|
spin_lock_init(&lynx->client_list_lock);
|
|
spin_lock_init(&lynx->client_list_lock);
|
|
INIT_LIST_HEAD(&lynx->client_list);
|
|
INIT_LIST_HEAD(&lynx->client_list);
|
|
|
|
|
|
- lynx->registers = ioremap_nocache(pci_resource_start(dev, 0),
|
|
|
|
- PCILYNX_MAX_REGISTER);
|
|
|
|
-
|
|
|
|
- lynx->rcv_start_pcl = pci_alloc_consistent(lynx->pci_device,
|
|
|
|
- sizeof(struct pcl),
|
|
|
|
- &lynx->rcv_start_pcl_bus);
|
|
|
|
- lynx->rcv_pcl = pci_alloc_consistent(lynx->pci_device,
|
|
|
|
- sizeof(struct pcl),
|
|
|
|
- &lynx->rcv_pcl_bus);
|
|
|
|
- lynx->rcv_buffer = pci_alloc_consistent(lynx->pci_device, RCV_BUFFER_SIZE,
|
|
|
|
- &lynx->rcv_buffer_bus);
|
|
|
|
- if (lynx->rcv_start_pcl == NULL ||
|
|
|
|
|
|
+ lynx->registers = ioremap_nocache(pci_resource_start(dev, 0),
|
|
|
|
+ PCILYNX_MAX_REGISTER);
|
|
|
|
+
|
|
|
|
+ lynx->rcv_start_pcl = pci_alloc_consistent(lynx->pci_device,
|
|
|
|
+ sizeof(struct pcl), &lynx->rcv_start_pcl_bus);
|
|
|
|
+ lynx->rcv_pcl = pci_alloc_consistent(lynx->pci_device,
|
|
|
|
+ sizeof(struct pcl), &lynx->rcv_pcl_bus);
|
|
|
|
+ lynx->rcv_buffer = pci_alloc_consistent(lynx->pci_device,
|
|
|
|
+ RCV_BUFFER_SIZE, &lynx->rcv_buffer_bus);
|
|
|
|
+ if (lynx->rcv_start_pcl == NULL ||
|
|
lynx->rcv_pcl == NULL ||
|
|
lynx->rcv_pcl == NULL ||
|
|
- lynx->rcv_buffer == NULL)
|
|
|
|
|
|
+ lynx->rcv_buffer == NULL) {
|
|
/* FIXME: do proper error handling. */
|
|
/* FIXME: do proper error handling. */
|
|
- FAIL("Failed to allocate receive buffer.\n");
|
|
|
|
-
|
|
|
|
|
|
+ error("Failed to allocate receive buffer\n");
|
|
|
|
+ return -ENOMEM;
|
|
|
|
+ }
|
|
lynx->rcv_start_pcl->next = lynx->rcv_pcl_bus;
|
|
lynx->rcv_start_pcl->next = lynx->rcv_pcl_bus;
|
|
- lynx->rcv_pcl->next = PCL_NEXT_INVALID;
|
|
|
|
- lynx->rcv_pcl->async_error_next = PCL_NEXT_INVALID;
|
|
|
|
|
|
+ lynx->rcv_pcl->next = PCL_NEXT_INVALID;
|
|
|
|
+ lynx->rcv_pcl->async_error_next = PCL_NEXT_INVALID;
|
|
|
|
|
|
- lynx->rcv_pcl->buffer[0].control =
|
|
|
|
|
|
+ lynx->rcv_pcl->buffer[0].control =
|
|
PCL_CMD_RCV | PCL_BIGENDIAN | 2044;
|
|
PCL_CMD_RCV | PCL_BIGENDIAN | 2044;
|
|
- lynx->rcv_pcl->buffer[0].pointer = lynx->rcv_buffer_bus + 4;
|
|
|
|
|
|
+ lynx->rcv_pcl->buffer[0].pointer = lynx->rcv_buffer_bus + 4;
|
|
p = lynx->rcv_buffer_bus + 2048;
|
|
p = lynx->rcv_buffer_bus + 2048;
|
|
end = lynx->rcv_buffer_bus + RCV_BUFFER_SIZE;
|
|
end = lynx->rcv_buffer_bus + RCV_BUFFER_SIZE;
|
|
for (i = 1; p < end; i++, p += 2048) {
|
|
for (i = 1; p < end; i++, p += 2048) {
|
|
@@ -599,31 +581,31 @@ add_card(struct pci_dev *dev, const struct pci_device_id *unused)
|
|
}
|
|
}
|
|
lynx->rcv_pcl->buffer[i - 1].control |= PCL_LAST_BUFF;
|
|
lynx->rcv_pcl->buffer[i - 1].control |= PCL_LAST_BUFF;
|
|
|
|
|
|
- reg_set_bits(lynx, MISC_CONTROL, MISC_CONTROL_SWRESET);
|
|
|
|
- /* Fix buggy cards with autoboot pin not tied low: */
|
|
|
|
- reg_write(lynx, DMA0_CHAN_CTRL, 0);
|
|
|
|
- reg_write(lynx, DMA_GLOBAL_REGISTER, 0x00 << 24);
|
|
|
|
|
|
+ reg_set_bits(lynx, MISC_CONTROL, MISC_CONTROL_SWRESET);
|
|
|
|
+ /* Fix buggy cards with autoboot pin not tied low: */
|
|
|
|
+ reg_write(lynx, DMA0_CHAN_CTRL, 0);
|
|
|
|
+ reg_write(lynx, DMA_GLOBAL_REGISTER, 0x00 << 24);
|
|
|
|
|
|
#if 0
|
|
#if 0
|
|
- /* now, looking for PHY register set */
|
|
|
|
- if ((get_phy_reg(lynx, 2) & 0xe0) == 0xe0) {
|
|
|
|
- lynx->phyic.reg_1394a = 1;
|
|
|
|
- PRINT(KERN_INFO, lynx->id,
|
|
|
|
- "found 1394a conform PHY (using extended register set)");
|
|
|
|
- lynx->phyic.vendor = get_phy_vendorid(lynx);
|
|
|
|
- lynx->phyic.product = get_phy_productid(lynx);
|
|
|
|
- } else {
|
|
|
|
- lynx->phyic.reg_1394a = 0;
|
|
|
|
- PRINT(KERN_INFO, lynx->id, "found old 1394 PHY");
|
|
|
|
- }
|
|
|
|
|
|
+ /* now, looking for PHY register set */
|
|
|
|
+ if ((get_phy_reg(lynx, 2) & 0xe0) == 0xe0) {
|
|
|
|
+ lynx->phyic.reg_1394a = 1;
|
|
|
|
+ PRINT(KERN_INFO, lynx->id,
|
|
|
|
+ "found 1394a conform PHY (using extended register set)");
|
|
|
|
+ lynx->phyic.vendor = get_phy_vendorid(lynx);
|
|
|
|
+ lynx->phyic.product = get_phy_productid(lynx);
|
|
|
|
+ } else {
|
|
|
|
+ lynx->phyic.reg_1394a = 0;
|
|
|
|
+ PRINT(KERN_INFO, lynx->id, "found old 1394 PHY");
|
|
|
|
+ }
|
|
#endif
|
|
#endif
|
|
|
|
|
|
/* Setup the general receive FIFO max size. */
|
|
/* Setup the general receive FIFO max size. */
|
|
reg_write(lynx, FIFO_SIZES, 255);
|
|
reg_write(lynx, FIFO_SIZES, 255);
|
|
|
|
|
|
- reg_set_bits(lynx, PCI_INT_ENABLE, PCI_INT_DMA_ALL);
|
|
|
|
|
|
+ reg_set_bits(lynx, PCI_INT_ENABLE, PCI_INT_DMA_ALL);
|
|
|
|
|
|
- reg_write(lynx, LINK_INT_ENABLE,
|
|
|
|
|
|
+ reg_write(lynx, LINK_INT_ENABLE,
|
|
LINK_INT_PHY_TIME_OUT | LINK_INT_PHY_REG_RCVD |
|
|
LINK_INT_PHY_TIME_OUT | LINK_INT_PHY_REG_RCVD |
|
|
LINK_INT_PHY_BUSRESET | LINK_INT_IT_STUCK |
|
|
LINK_INT_PHY_BUSRESET | LINK_INT_IT_STUCK |
|
|
LINK_INT_AT_STUCK | LINK_INT_SNTRJ |
|
|
LINK_INT_AT_STUCK | LINK_INT_SNTRJ |
|
|
@@ -638,58 +620,60 @@ add_card(struct pci_dev *dev, const struct pci_device_id *unused)
|
|
|
|
|
|
run_pcl(lynx, lynx->rcv_start_pcl_bus, 0);
|
|
run_pcl(lynx, lynx->rcv_start_pcl_bus, 0);
|
|
|
|
|
|
- if (request_irq(dev->irq, irq_handler, IRQF_SHARED, driver_name, lynx))
|
|
|
|
- FAIL("Failed to allocate shared interrupt %d.", dev->irq);
|
|
|
|
|
|
+ if (request_irq(dev->irq, irq_handler, IRQF_SHARED,
|
|
|
|
+ driver_name, lynx)) {
|
|
|
|
+ error("Failed to allocate shared interrupt %d\n", dev->irq);
|
|
|
|
+ return -EIO;
|
|
|
|
+ }
|
|
|
|
|
|
lynx->misc.parent = &dev->dev;
|
|
lynx->misc.parent = &dev->dev;
|
|
lynx->misc.minor = MISC_DYNAMIC_MINOR;
|
|
lynx->misc.minor = MISC_DYNAMIC_MINOR;
|
|
lynx->misc.name = "nosy";
|
|
lynx->misc.name = "nosy";
|
|
lynx->misc.fops = &nosy_ops;
|
|
lynx->misc.fops = &nosy_ops;
|
|
- if (misc_register(&lynx->misc))
|
|
|
|
- FAIL("Failed to register misc char device.");
|
|
|
|
|
|
+ if (misc_register(&lynx->misc)) {
|
|
|
|
+ error("Failed to register misc char device\n");
|
|
|
|
+ return -ENOMEM;
|
|
|
|
+ }
|
|
minors[lynx->misc.minor] = lynx;
|
|
minors[lynx->misc.minor] = lynx;
|
|
|
|
|
|
notify("Initialized PCILynx IEEE1394 card, irq=%d\n", dev->irq);
|
|
notify("Initialized PCILynx IEEE1394 card, irq=%d\n", dev->irq);
|
|
|
|
|
|
- return 0;
|
|
|
|
|
|
+ return 0;
|
|
}
|
|
}
|
|
|
|
|
|
static struct pci_device_id pci_table[] __devinitdata = {
|
|
static struct pci_device_id pci_table[] __devinitdata = {
|
|
{
|
|
{
|
|
- .vendor = PCI_VENDOR_ID_TI,
|
|
|
|
- .device = PCI_DEVICE_ID_TI_PCILYNX,
|
|
|
|
- .subvendor = PCI_ANY_ID,
|
|
|
|
- .subdevice = PCI_ANY_ID,
|
|
|
|
|
|
+ .vendor = PCI_VENDOR_ID_TI,
|
|
|
|
+ .device = PCI_DEVICE_ID_TI_PCILYNX,
|
|
|
|
+ .subvendor = PCI_ANY_ID,
|
|
|
|
+ .subdevice = PCI_ANY_ID,
|
|
},
|
|
},
|
|
{ } /* Terminating entry */
|
|
{ } /* Terminating entry */
|
|
};
|
|
};
|
|
|
|
|
|
static struct pci_driver lynx_pci_driver = {
|
|
static struct pci_driver lynx_pci_driver = {
|
|
- .name = (char *) driver_name,
|
|
|
|
|
|
+ .name = driver_name,
|
|
.id_table = pci_table,
|
|
.id_table = pci_table,
|
|
.probe = add_card,
|
|
.probe = add_card,
|
|
- .remove = __devexit_p(remove_card),
|
|
|
|
|
|
+ .remove = remove_card,
|
|
};
|
|
};
|
|
|
|
|
|
-MODULE_AUTHOR("Kristian Høgsberg");
|
|
|
|
|
|
+MODULE_AUTHOR("Kristian Hoegsberg");
|
|
MODULE_DESCRIPTION("Snoop mode driver for TI pcilynx 1394 controllers");
|
|
MODULE_DESCRIPTION("Snoop mode driver for TI pcilynx 1394 controllers");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_DEVICE_TABLE(pci, pci_table);
|
|
MODULE_DEVICE_TABLE(pci, pci_table);
|
|
|
|
|
|
static int __init nosy_init(void)
|
|
static int __init nosy_init(void)
|
|
{
|
|
{
|
|
- /* notify("Loaded %s version %s.\n", driver_name, VERSION); */
|
|
|
|
-
|
|
|
|
- return pci_register_driver(&lynx_pci_driver);
|
|
|
|
|
|
+ return pci_register_driver(&lynx_pci_driver);
|
|
}
|
|
}
|
|
|
|
|
|
static void __exit nosy_cleanup(void)
|
|
static void __exit nosy_cleanup(void)
|
|
{
|
|
{
|
|
- pci_unregister_driver(&lynx_pci_driver);
|
|
|
|
|
|
+ pci_unregister_driver(&lynx_pci_driver);
|
|
|
|
|
|
notify("Unloaded %s.\n", driver_name);
|
|
notify("Unloaded %s.\n", driver_name);
|
|
}
|
|
}
|
|
|
|
|
|
-
|
|
|
|
module_init(nosy_init);
|
|
module_init(nosy_init);
|
|
module_exit(nosy_cleanup);
|
|
module_exit(nosy_cleanup);
|