diff options
Diffstat (limited to 'drivers/media/dvb/firewire/firedtv-1394.c')
| -rw-r--r-- | drivers/media/dvb/firewire/firedtv-1394.c | 41 |
1 files changed, 25 insertions, 16 deletions
diff --git a/drivers/media/dvb/firewire/firedtv-1394.c b/drivers/media/dvb/firewire/firedtv-1394.c index 2b6eeeab5b25..7c5459c27b75 100644 --- a/drivers/media/dvb/firewire/firedtv-1394.c +++ b/drivers/media/dvb/firewire/firedtv-1394.c @@ -1,5 +1,5 @@ /* - * FireDTV driver (formerly known as FireSAT) + * FireDTV driver -- ieee1394 I/O backend * * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com> * Copyright (C) 2007-2008 Ben Backx <ben@bbackx.com> @@ -26,13 +26,16 @@ #include <iso.h> #include <nodemgr.h> +#include <dvb_demux.h> + #include "firedtv.h" static LIST_HEAD(node_list); static DEFINE_SPINLOCK(node_list_lock); -#define FIREWIRE_HEADER_SIZE 4 -#define CIP_HEADER_SIZE 8 +#define CIP_HEADER_SIZE 8 +#define MPEG2_TS_HEADER_SIZE 4 +#define MPEG2_TS_SOURCE_PACKET_SIZE (4 + 188) static void rawiso_activity_cb(struct hpsb_iso *iso) { @@ -62,20 +65,20 @@ static void rawiso_activity_cb(struct hpsb_iso *iso) buf = dma_region_i(&iso->data_buf, unsigned char, iso->infos[packet].offset + CIP_HEADER_SIZE); count = (iso->infos[packet].len - CIP_HEADER_SIZE) / - (188 + FIREWIRE_HEADER_SIZE); + MPEG2_TS_SOURCE_PACKET_SIZE; /* ignore empty packet */ if (iso->infos[packet].len <= CIP_HEADER_SIZE) continue; while (count--) { - if (buf[FIREWIRE_HEADER_SIZE] == 0x47) + if (buf[MPEG2_TS_HEADER_SIZE] == 0x47) dvb_dmx_swfilter_packets(&fdtv->demux, - &buf[FIREWIRE_HEADER_SIZE], 1); + &buf[MPEG2_TS_HEADER_SIZE], 1); else dev_err(fdtv->device, "skipping invalid packet\n"); - buf += 188 + FIREWIRE_HEADER_SIZE; + buf += MPEG2_TS_SOURCE_PACKET_SIZE; } } out: @@ -87,15 +90,20 @@ static inline struct node_entry *node_of(struct firedtv *fdtv) return container_of(fdtv->device, struct unit_directory, device)->ne; } -static int node_lock(struct firedtv *fdtv, u64 addr, void *data, __be32 arg) +static int node_lock(struct firedtv *fdtv, u64 addr, __be32 data[]) { - return hpsb_node_lock(node_of(fdtv), addr, EXTCODE_COMPARE_SWAP, data, - (__force quadlet_t)arg); + int ret; + + ret = hpsb_node_lock(node_of(fdtv), addr, EXTCODE_COMPARE_SWAP, + (__force quadlet_t *)&data[1], (__force quadlet_t)data[0]); + data[0] = data[1]; + + return ret; } -static int node_read(struct firedtv *fdtv, u64 addr, void *data, size_t len) +static int node_read(struct firedtv *fdtv, u64 addr, void *data) { - return hpsb_node_read(node_of(fdtv), addr, data, len); + return hpsb_node_read(node_of(fdtv), addr, data, 4); } static int node_write(struct firedtv *fdtv, u64 addr, void *data, size_t len) @@ -212,6 +220,7 @@ static int node_probe(struct device *dev) goto fail; avc_register_remote_control(fdtv); + return 0; fail: spin_lock_irq(&node_list_lock); @@ -220,6 +229,7 @@ fail: fdtv_unregister_rc(fdtv); fail_free: kfree(fdtv); + return err; } @@ -233,10 +243,9 @@ static int node_remove(struct device *dev) list_del(&fdtv->list); spin_unlock_irq(&node_list_lock); - cancel_work_sync(&fdtv->remote_ctrl_work); fdtv_unregister_rc(fdtv); - kfree(fdtv); + return 0; } @@ -252,6 +261,7 @@ static int node_update(struct unit_directory *ud) static struct hpsb_protocol_driver fdtv_driver = { .name = "firedtv", + .id_table = fdtv_id_table, .update = node_update, .driver = { .probe = node_probe, @@ -264,12 +274,11 @@ static struct hpsb_highlevel fdtv_highlevel = { .fcp_request = fcp_request, }; -int __init fdtv_1394_init(struct ieee1394_device_id id_table[]) +int __init fdtv_1394_init(void) { int ret; hpsb_register_highlevel(&fdtv_highlevel); - fdtv_driver.id_table = id_table; ret = hpsb_register_protocol(&fdtv_driver); if (ret) { printk(KERN_ERR "firedtv: failed to register protocol\n"); |