diff options
| -rw-r--r-- | drivers/firewire/nosy-user.h | 6 | ||||
| -rw-r--r-- | drivers/firewire/nosy.c | 74 |
2 files changed, 29 insertions, 51 deletions
diff --git a/drivers/firewire/nosy-user.h b/drivers/firewire/nosy-user.h index ebef97f..e48aa62 100644 --- a/drivers/firewire/nosy-user.h +++ b/drivers/firewire/nosy-user.h @@ -17,9 +17,9 @@ struct nosy_stats { /* * Format of packets returned from the kernel driver: * - * quadlet with timestamp (microseconds) - * quadlet padded packet data... - * quadlet with ack + * quadlet with timestamp (microseconds, CPU endian) + * quadlet-padded packet data... (little endian) + * quadlet with ack (little endian) */ #endif /* __nosy_user_h */ diff --git a/drivers/firewire/nosy.c b/drivers/firewire/nosy.c index b8dcaa2..225e649 100644 --- a/drivers/firewire/nosy.c +++ b/drivers/firewire/nosy.c @@ -51,33 +51,19 @@ static char driver_name[] = KBUILD_MODNAME; -struct pcl_status { - unsigned int transfer_count : 13; - unsigned int reserved0 : 1; - unsigned int ack_type : 1; - unsigned int ack : 4; - unsigned int rcv_speed : 2; - unsigned int rcv_dma_channel : 6; - unsigned int packet_complete : 1; - unsigned int packet_error : 1; - unsigned int master_error : 1; - unsigned int iso_mode : 1; - unsigned int self_id : 1; -}; - /* this is the physical layout of a PCL, its size is 128 bytes */ struct pcl { - u32 next; - u32 async_error_next; - u32 user_data; - struct pcl_status pcl_status; - u32 remaining_transfer_count; - u32 next_data_buffer; - struct { - u32 control; - u32 pointer; - } buffer[13] __attribute__ ((packed)); -} __attribute__ ((packed)); + __le32 next; + __le32 async_error_next; + u32 user_data; + __le32 pcl_status; + __le32 remaining_transfer_count; + __le32 next_data_buffer; + struct { + __le32 control; + __le32 pointer; + } buffer[13]; +}; struct packet { unsigned int length; @@ -98,7 +84,7 @@ struct pcilynx { __iomem char *registers; struct pcl *rcv_start_pcl, *rcv_pcl; - u32 *rcv_buffer; + __le32 *rcv_buffer; dma_addr_t rcv_start_pcl_bus, rcv_pcl_bus, rcv_buffer_bus; @@ -426,35 +412,26 @@ static const struct file_operations nosy_ops = { #define PHY_PACKET_SIZE 12 /* 1 payload, 1 inverse, 1 ack = 3 quadlets */ -struct link_packet { - unsigned int priority : 4; - unsigned int tcode : 4; - unsigned int rt : 2; - unsigned int tlabel : 6; - unsigned int destination : 16; -}; - static void packet_irq_handler(struct pcilynx *lynx) { struct client *client; - u32 tcode_mask; + u32 tcode_mask, tcode; size_t length; - struct link_packet *packet; struct timeval tv; /* FIXME: Also report rcv_speed. */ - length = lynx->rcv_pcl->pcl_status.transfer_count; - packet = (struct link_packet *) &lynx->rcv_buffer[1]; + length = __le32_to_cpu(lynx->rcv_pcl->pcl_status) & 0x00001fff; + tcode = __le32_to_cpu(lynx->rcv_buffer[1]) >> 4 & 0xf; do_gettimeofday(&tv); - lynx->rcv_buffer[0] = tv.tv_usec; + lynx->rcv_buffer[0] = (__force __le32)tv.tv_usec; if (length == PHY_PACKET_SIZE) tcode_mask = 1 << TCODE_PHY_PACKET; else - tcode_mask = 1 << packet->tcode; + tcode_mask = 1 << tcode; spin_lock(&lynx->client_list_lock); @@ -602,21 +579,22 @@ add_card(struct pci_dev *dev, const struct pci_device_id *unused) ret = -ENOMEM; goto fail_deallocate; } - 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_start_pcl->next = cpu_to_le32(lynx->rcv_pcl_bus); + lynx->rcv_pcl->next = cpu_to_le32(PCL_NEXT_INVALID); + lynx->rcv_pcl->async_error_next = cpu_to_le32(PCL_NEXT_INVALID); lynx->rcv_pcl->buffer[0].control = - PCL_CMD_RCV | PCL_BIGENDIAN | 2044; - lynx->rcv_pcl->buffer[0].pointer = lynx->rcv_buffer_bus + 4; + cpu_to_le32(PCL_CMD_RCV | PCL_BIGENDIAN | 2044); + lynx->rcv_pcl->buffer[0].pointer = + cpu_to_le32(lynx->rcv_buffer_bus + 4); p = lynx->rcv_buffer_bus + 2048; end = lynx->rcv_buffer_bus + RCV_BUFFER_SIZE; for (i = 1; p < end; i++, p += 2048) { lynx->rcv_pcl->buffer[i].control = - PCL_CMD_RCV | PCL_BIGENDIAN | 2048; - lynx->rcv_pcl->buffer[i].pointer = p; + cpu_to_le32(PCL_CMD_RCV | PCL_BIGENDIAN | 2048); + lynx->rcv_pcl->buffer[i].pointer = cpu_to_le32(p); } - lynx->rcv_pcl->buffer[i - 1].control |= PCL_LAST_BUFF; + lynx->rcv_pcl->buffer[i - 1].control |= cpu_to_le32(PCL_LAST_BUFF); reg_set_bits(lynx, MISC_CONTROL, MISC_CONTROL_SWRESET); /* Fix buggy cards with autoboot pin not tied low: */ |