diff options
Diffstat (limited to 'drivers/ieee1394/hosts.h')
| -rw-r--r-- | drivers/ieee1394/hosts.h | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/drivers/ieee1394/hosts.h b/drivers/ieee1394/hosts.h deleted file mode 100644 index 49c359022c5..00000000000 --- a/drivers/ieee1394/hosts.h +++ /dev/null @@ -1,201 +0,0 @@ -#ifndef _IEEE1394_HOSTS_H -#define _IEEE1394_HOSTS_H - -#include <linux/device.h> -#include <linux/list.h> -#include <linux/timer.h> -#include <linux/types.h> -#include <linux/workqueue.h> -#include <asm/atomic.h> - -struct pci_dev; -struct module; - -#include "ieee1394_types.h" -#include "csr.h" -#include "highlevel.h" - -struct hpsb_packet; -struct hpsb_iso; - -struct hpsb_host { - struct list_head host_list; - - void *hostdata; - - atomic_t generation; - - struct list_head pending_packets; - struct timer_list timeout; - unsigned long timeout_interval; - - int node_count; /* number of identified nodes on this bus */ - int selfid_count; /* total number of SelfIDs received */ - int nodes_active; /* number of nodes with active link layer */ - - nodeid_t node_id; /* node ID of this host */ - nodeid_t irm_id; /* ID of this bus' isochronous resource manager */ - nodeid_t busmgr_id; /* ID of this bus' bus manager */ - - /* this nodes state */ - unsigned in_bus_reset:1; - unsigned is_shutdown:1; - unsigned resume_packet_sent:1; - - /* this nodes' duties on the bus */ - unsigned is_root:1; - unsigned is_cycmst:1; - unsigned is_irm:1; - unsigned is_busmgr:1; - - int reset_retries; - quadlet_t *topology_map; - u8 *speed_map; - - int id; - struct hpsb_host_driver *driver; - struct pci_dev *pdev; - struct device device; - struct device host_dev; - - struct delayed_work delayed_reset; - unsigned config_roms:31; - unsigned update_config_rom:1; - - struct list_head addr_space; - u64 low_addr_space; /* upper bound of physical DMA area */ - u64 middle_addr_space; /* upper bound of posted write area */ - - u8 speed[ALL_NODES]; /* speed between each node and local node */ - - /* per node tlabel allocation */ - u8 next_tl[ALL_NODES]; - struct { DECLARE_BITMAP(map, 64); } tl_pool[ALL_NODES]; - - struct csr_control csr; - - struct hpsb_address_serve dummy_zero_addr; - struct hpsb_address_serve dummy_max_addr; -}; - -enum devctl_cmd { - /* Host is requested to reset its bus and cancel all outstanding async - * requests. If arg == 1, it shall also attempt to become root on the - * bus. Return void. */ - RESET_BUS, - - /* Arg is void, return value is the hardware cycle counter value. */ - GET_CYCLE_COUNTER, - - /* Set the hardware cycle counter to the value in arg, return void. - * FIXME - setting is probably not required. */ - SET_CYCLE_COUNTER, - - /* Configure hardware for new bus ID in arg, return void. */ - SET_BUS_ID, - - /* If arg true, start sending cycle start packets, stop if arg == 0. - * Return void. */ - ACT_CYCLE_MASTER, - - /* Cancel all outstanding async requests without resetting the bus. - * Return void. */ - CANCEL_REQUESTS, -}; - -enum isoctl_cmd { - /* rawiso API - see iso.h for the meanings of these commands - * (they correspond exactly to the hpsb_iso_* API functions) - * INIT = allocate resources - * START = begin transmission/reception - * STOP = halt transmission/reception - * QUEUE/RELEASE = produce/consume packets - * SHUTDOWN = deallocate resources - */ - - XMIT_INIT, - XMIT_START, - XMIT_STOP, - XMIT_QUEUE, - XMIT_SHUTDOWN, - - RECV_INIT, - RECV_LISTEN_CHANNEL, /* multi-channel only */ - RECV_UNLISTEN_CHANNEL, /* multi-channel only */ - RECV_SET_CHANNEL_MASK, /* multi-channel only; arg is a *u64 */ - RECV_START, - RECV_STOP, - RECV_RELEASE, - RECV_SHUTDOWN, - RECV_FLUSH -}; - -enum reset_types { - /* 166 microsecond reset -- only type of reset available on - non-1394a capable controllers */ - LONG_RESET, - - /* Short (arbitrated) reset -- only available on 1394a capable - controllers */ - SHORT_RESET, - - /* Variants that set force_root before issueing the bus reset */ - LONG_RESET_FORCE_ROOT, SHORT_RESET_FORCE_ROOT, - - /* Variants that clear force_root before issueing the bus reset */ - LONG_RESET_NO_FORCE_ROOT, SHORT_RESET_NO_FORCE_ROOT -}; - -struct hpsb_host_driver { - struct module *owner; - const char *name; - - /* The hardware driver may optionally support a function that is used - * to set the hardware ConfigROM if the hardware supports handling - * reads to the ConfigROM on its own. */ - void (*set_hw_config_rom)(struct hpsb_host *host, - __be32 *config_rom); - - /* This function shall implement packet transmission based on - * packet->type. It shall CRC both parts of the packet (unless - * packet->type == raw) and do byte-swapping as necessary or instruct - * the hardware to do so. It can return immediately after the packet - * was queued for sending. After sending, hpsb_sent_packet() has to be - * called. Return 0 on success, negative errno on failure. - * NOTE: The function must be callable in interrupt context. - */ - int (*transmit_packet)(struct hpsb_host *host, - struct hpsb_packet *packet); - - /* This function requests miscellanous services from the driver, see - * above for command codes and expected actions. Return -1 for unknown - * command, though that should never happen. - */ - int (*devctl)(struct hpsb_host *host, enum devctl_cmd command, int arg); - - /* ISO transmission/reception functions. Return 0 on success, -1 - * (or -EXXX errno code) on failure. If the low-level driver does not - * support the new ISO API, set isoctl to NULL. - */ - int (*isoctl)(struct hpsb_iso *iso, enum isoctl_cmd command, - unsigned long arg); - - /* This function is mainly to redirect local CSR reads/locks to the iso - * management registers (bus manager id, bandwidth available, channels - * available) to the hardware registers in OHCI. reg is 0,1,2,3 for bus - * mgr, bwdth avail, ch avail hi, ch avail lo respectively (the same ids - * as OHCI uses). data and compare are the new data and expected data - * respectively, return value is the old value. - */ - quadlet_t (*hw_csr_reg) (struct hpsb_host *host, int reg, - quadlet_t data, quadlet_t compare); -}; - -struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, - struct device *dev); -int hpsb_add_host(struct hpsb_host *host); -void hpsb_resume_host(struct hpsb_host *host); -void hpsb_remove_host(struct hpsb_host *host); -int hpsb_update_config_rom_image(struct hpsb_host *host); - -#endif /* _IEEE1394_HOSTS_H */ |