-/* -*- c-basic-offset: 8 -*-
+/*
+ * Isochronous IO functionality
*
- * fw-iso.c - Isochronous IO
* Copyright (C) 2006 Kristian Hoegsberg <krh@bitplanet.net>
*
* This program is free software; you can redistribute it and/or modify
goto out;
for (i = 0; i < buffer->page_count; i++) {
- buffer->pages[i] = alloc_page(GFP_KERNEL | GFP_DMA32);
+ buffer->pages[i] = alloc_page(GFP_KERNEL | GFP_DMA32 | __GFP_ZERO);
if (buffer->pages[i] == NULL)
goto out_pages;
-
+
address = dma_map_page(card->device, buffer->pages[i],
0, PAGE_SIZE, direction);
if (dma_mapping_error(address)) {
}
struct fw_iso_context *
-fw_iso_context_create(struct fw_card *card, int type, size_t header_size,
+fw_iso_context_create(struct fw_card *card, int type,
+ int channel, int speed, size_t header_size,
fw_iso_callback_t callback, void *callback_data)
{
struct fw_iso_context *ctx;
- ctx = card->driver->allocate_iso_context(card, type);
+ ctx = card->driver->allocate_iso_context(card, type, header_size);
if (IS_ERR(ctx))
return ctx;
ctx->card = card;
ctx->type = type;
+ ctx->channel = channel;
+ ctx->speed = speed;
ctx->header_size = header_size;
ctx->callback = callback;
ctx->callback_data = callback_data;
return ctx;
}
-EXPORT_SYMBOL(fw_iso_context_create);
void fw_iso_context_destroy(struct fw_iso_context *ctx)
{
card->driver->free_iso_context(ctx);
}
-EXPORT_SYMBOL(fw_iso_context_destroy);
int
-fw_iso_context_start(struct fw_iso_context *ctx,
- int channel, int speed, int cycle)
+fw_iso_context_start(struct fw_iso_context *ctx, int cycle, int sync, int tags)
{
- ctx->channel = channel;
- ctx->speed = speed;
-
- return ctx->card->driver->start_iso(ctx, cycle);
+ return ctx->card->driver->start_iso(ctx, cycle, sync, tags);
}
-EXPORT_SYMBOL(fw_iso_context_start);
int
fw_iso_context_queue(struct fw_iso_context *ctx,
return card->driver->queue_iso(ctx, packet, buffer, payload);
}
-EXPORT_SYMBOL(fw_iso_context_queue);
+
+int
+fw_iso_context_stop(struct fw_iso_context *ctx)
+{
+ return ctx->card->driver->stop_iso(ctx);
+}