1 files changed, 0 insertions, 339 deletions
diff --git a/drivers/media/dvb/firewire/firedtv-fw.c b/drivers/media/dvb/firewire/firedtv-fw.c
deleted file mode 100644
index 7424b0493f9..00000000000
--- a/drivers/media/dvb/firewire/firedtv-fw.c
+++ /dev/null
@@ -1,339 +0,0 @@
-/*
- * FireDTV driver -- firewire I/O backend
- */
-
-#include <linux/device.h>
-#include <linux/errno.h>
-#include <linux/firewire.h>
-#include <linux/firewire-constants.h>
-#include <linux/kernel.h>
-#include <linux/list.h>
-#include <linux/mm.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/types.h>
-
-#include <asm/page.h>
-
-#include <dvb_demux.h>
-
-#include "firedtv.h"
-
-static LIST_HEAD(node_list);
-static DEFINE_SPINLOCK(node_list_lock);
-
-static inline struct fw_device *device_of(struct firedtv *fdtv)
-{
-	return fw_device(fdtv->device->parent);
-}
-
-static int node_req(struct firedtv *fdtv, u64 addr, void *data, size_t len,
-		    int tcode)
-{
-	struct fw_device *device = device_of(fdtv);
-	int rcode, generation = device->generation;
-
-	smp_rmb(); /* node_id vs. generation */
-
-	rcode = fw_run_transaction(device->card, tcode, device->node_id,
-			generation, device->max_speed, addr, data, len);
-
-	return rcode != RCODE_COMPLETE ? -EIO : 0;
-}
-
-static int node_lock(struct firedtv *fdtv, u64 addr, void *data)
-{
-	return node_req(fdtv, addr, data, 8, TCODE_LOCK_COMPARE_SWAP);
-}
-
-static int node_read(struct firedtv *fdtv, u64 addr, void *data)
-{
-	return node_req(fdtv, addr, data, 4, TCODE_READ_QUADLET_REQUEST);
-}
-
-static int node_write(struct firedtv *fdtv, u64 addr, void *data, size_t len)
-{
-	return node_req(fdtv, addr, data, len, TCODE_WRITE_BLOCK_REQUEST);
-}
-
-#define ISO_HEADER_SIZE			4
-#define CIP_HEADER_SIZE			8
-#define MPEG2_TS_HEADER_SIZE		4
-#define MPEG2_TS_SOURCE_PACKET_SIZE	(4 + 188)
-
-#define MAX_PACKET_SIZE		1024  /* 776, rounded up to 2^n */
-#define PACKETS_PER_PAGE	(PAGE_SIZE / MAX_PACKET_SIZE)
-#define N_PACKETS		64    /* buffer size */
-#define N_PAGES			DIV_ROUND_UP(N_PACKETS, PACKETS_PER_PAGE)
-#define IRQ_INTERVAL		16
-
-struct firedtv_receive_context {
-	struct fw_iso_context *context;
-	struct fw_iso_buffer buffer;
-	int interrupt_packet;
-	int current_packet;
-	char *pages[N_PAGES];
-};
-
-static int queue_iso(struct firedtv_receive_context *ctx, int index)
-{
-	struct fw_iso_packet p;
-
-	p.payload_length = MAX_PACKET_SIZE;
-	p.interrupt = !(++ctx->interrupt_packet & (IRQ_INTERVAL - 1));
-	p.skip = 0;
-	p.header_length = ISO_HEADER_SIZE;
-
-	return fw_iso_context_queue(ctx->context, &p, &ctx->buffer,
-				    index * MAX_PACKET_SIZE);
-}
-
-static void handle_iso(struct fw_iso_context *context, u32 cycle,
-		       size_t header_length, void *header, void *data)
-{
-	struct firedtv *fdtv = data;
-	struct firedtv_receive_context *ctx = fdtv->backend_data;
-	__be32 *h, *h_end;
-	int length, err, i = ctx->current_packet;
-	char *p, *p_end;
-
-	for (h = header, h_end = h + header_length / 4; h < h_end; h++) {
-		length = be32_to_cpup(h) >> 16;
-		if (unlikely(length > MAX_PACKET_SIZE)) {
-			dev_err(fdtv->device, "length = %d\n", length);
-			length = MAX_PACKET_SIZE;
-		}
-
-		p = ctx->pages[i / PACKETS_PER_PAGE]
-				+ (i % PACKETS_PER_PAGE) * MAX_PACKET_SIZE;
-		p_end = p + length;
-
-		for (p += CIP_HEADER_SIZE + MPEG2_TS_HEADER_SIZE; p < p_end;
-		     p += MPEG2_TS_SOURCE_PACKET_SIZE)
-			dvb_dmx_swfilter_packets(&fdtv->demux, p, 1);
-
-		err = queue_iso(ctx, i);
-		if (unlikely(err))
-			dev_err(fdtv->device, "requeue failed\n");
-
-		i = (i + 1) & (N_PACKETS - 1);
-	}
-	ctx->current_packet = i;
-}
-
-static int start_iso(struct firedtv *fdtv)
-{
-	struct firedtv_receive_context *ctx;
-	struct fw_device *device = device_of(fdtv);
-	int i, err;
-
-	ctx = kmalloc(sizeof(*ctx), GFP_KERNEL);
-	if (!ctx)
-		return -ENOMEM;
-
-	ctx->context = fw_iso_context_create(device->card,
-			FW_ISO_CONTEXT_RECEIVE, fdtv->isochannel,
-			device->max_speed, ISO_HEADER_SIZE, handle_iso, fdtv);
-	if (IS_ERR(ctx->context)) {
-		err = PTR_ERR(ctx->context);
-		goto fail_free;
-	}
-
-	err = fw_iso_buffer_init(&ctx->buffer, device->card,
-				 N_PAGES, DMA_FROM_DEVICE);
-	if (err)
-		goto fail_context_destroy;
-
-	ctx->interrupt_packet = 0;
-	ctx->current_packet = 0;
-
-	for (i = 0; i < N_PAGES; i++)
-		ctx->pages[i] = page_address(ctx->buffer.pages[i]);
-
-	for (i = 0; i < N_PACKETS; i++) {
-		err = queue_iso(ctx, i);
-		if (err)
-			goto fail;
-	}
-
-	err = fw_iso_context_start(ctx->context, -1, 0,
-				   FW_ISO_CONTEXT_MATCH_ALL_TAGS);
-	if (err)
-		goto fail;
-
-	fdtv->backend_data = ctx;
-
-	return 0;
-fail:
-	fw_iso_buffer_destroy(&ctx->buffer, device->card);
-fail_context_destroy:
-	fw_iso_context_destroy(ctx->context);
-fail_free:
-	kfree(ctx);
-
-	return err;
-}
-
-static void stop_iso(struct firedtv *fdtv)
-{
-	struct firedtv_receive_context *ctx = fdtv->backend_data;
-
-	fw_iso_context_stop(ctx->context);
-	fw_iso_buffer_destroy(&ctx->buffer, device_of(fdtv)->card);
-	fw_iso_context_destroy(ctx->context);
-	kfree(ctx);
-}
-
-static const struct firedtv_backend backend = {
-	.lock		= node_lock,
-	.read		= node_read,
-	.write		= node_write,
-	.start_iso	= start_iso,
-	.stop_iso	= stop_iso,
-};
-
-static void handle_fcp(struct fw_card *card, struct fw_request *request,
-		       int tcode, int destination, int source, int generation,
-		       unsigned long long offset, void *payload, size_t length,
-		       void *callback_data)
-{
-	struct firedtv *f, *fdtv = NULL;
-	struct fw_device *device;
-	unsigned long flags;
-	int su;
-
-	if (length < 2 || (((u8 *)payload)[0] & 0xf0) != 0)
-		return;
-
-	su = ((u8 *)payload)[1] & 0x7;
-
-	spin_lock_irqsave(&node_list_lock, flags);
-	list_for_each_entry(f, &node_list, list) {
-		device = device_of(f);
-		if (device->generation != generation)
-			continue;
-
-		smp_rmb(); /* node_id vs. generation */
-
-		if (device->card == card &&
-		    device->node_id == source &&
-		    (f->subunit == su || (f->subunit == 0 && su == 0x7))) {
-			fdtv = f;
-			break;
-		}
-	}
-	spin_unlock_irqrestore(&node_list_lock, flags);
-
-	if (fdtv)
-		avc_recv(fdtv, payload, length);
-}
-
-static struct fw_address_handler fcp_handler = {
-	.length           = CSR_FCP_END - CSR_FCP_RESPONSE,
-	.address_callback = handle_fcp,
-};
-
-static const struct fw_address_region fcp_region = {
-	.start	= CSR_REGISTER_BASE + CSR_FCP_RESPONSE,
-	.end	= CSR_REGISTER_BASE + CSR_FCP_END,
-};
-
-/* Adjust the template string if models with longer names appear. */
-#define MAX_MODEL_NAME_LEN sizeof("FireDTV ????")
-
-static int node_probe(struct device *dev)
-{
-	struct firedtv *fdtv;
-	char name[MAX_MODEL_NAME_LEN];
-	int name_len, err;
-
-	name_len = fw_csr_string(fw_unit(dev)->directory, CSR_MODEL,
-				 name, sizeof(name));
-
-	fdtv = fdtv_alloc(dev, &backend, name, name_len >= 0 ? name_len : 0);
-	if (!fdtv)
-		return -ENOMEM;
-
-	err = fdtv_register_rc(fdtv, dev);
-	if (err)
-		goto fail_free;
-
-	spin_lock_irq(&node_list_lock);
-	list_add_tail(&fdtv->list, &node_list);
-	spin_unlock_irq(&node_list_lock);
-
-	err = avc_identify_subunit(fdtv);
-	if (err)
-		goto fail;
-
-	err = fdtv_dvb_register(fdtv);
-	if (err)
-		goto fail;
-
-	avc_register_remote_control(fdtv);
-
-	return 0;
-fail:
-	spin_lock_irq(&node_list_lock);
-	list_del(&fdtv->list);
-	spin_unlock_irq(&node_list_lock);
-	fdtv_unregister_rc(fdtv);
-fail_free:
-	kfree(fdtv);
-
-	return err;
-}
-
-static int node_remove(struct device *dev)
-{
-	struct firedtv *fdtv = dev_get_drvdata(dev);
-
-	fdtv_dvb_unregister(fdtv);
-
-	spin_lock_irq(&node_list_lock);
-	list_del(&fdtv->list);
-	spin_unlock_irq(&node_list_lock);
-
-	fdtv_unregister_rc(fdtv);
-
-	kfree(fdtv);
-	return 0;
-}
-
-static void node_update(struct fw_unit *unit)
-{
-	struct firedtv *fdtv = dev_get_drvdata(&unit->device);
-
-	if (fdtv->isochannel >= 0)
-		cmp_establish_pp_connection(fdtv, fdtv->subunit,
-					    fdtv->isochannel);
-}
-
-static struct fw_driver fdtv_driver = {
-	.driver   = {
-		.owner  = THIS_MODULE,
-		.name   = "firedtv",
-		.bus    = &fw_bus_type,
-		.probe  = node_probe,
-		.remove = node_remove,
-	},
-	.update   = node_update,
-	.id_table = fdtv_id_table,
-};
-
-int __init fdtv_fw_init(void)
-{
-	int ret;
-
-	ret = fw_core_add_address_handler(&fcp_handler, &fcp_region);
-	if (ret < 0)
-		return ret;
-
-	return driver_register(&fdtv_driver.driver);
-}
-
-void fdtv_fw_exit(void)
-{
-	driver_unregister(&fdtv_driver.driver);
-	fw_core_remove_address_handler(&fcp_handler);
-}