diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/firewire/core.h | 293 | ||||
| -rw-r--r-- | drivers/firewire/fw-card.c | 6 | ||||
| -rw-r--r-- | drivers/firewire/fw-cdev.c | 5 | ||||
| -rw-r--r-- | drivers/firewire/fw-device.c | 9 | ||||
| -rw-r--r-- | drivers/firewire/fw-device.h | 190 | ||||
| -rw-r--r-- | drivers/firewire/fw-iso.c | 4 | ||||
| -rw-r--r-- | drivers/firewire/fw-ohci.c | 5 | ||||
| -rw-r--r-- | drivers/firewire/fw-sbp2.c | 4 | ||||
| -rw-r--r-- | drivers/firewire/fw-topology.c | 10 | ||||
| -rw-r--r-- | drivers/firewire/fw-topology.h | 77 | ||||
| -rw-r--r-- | drivers/firewire/fw-transaction.c | 8 | ||||
| -rw-r--r-- | drivers/firewire/fw-transaction.h | 446 | ||||
| -rw-r--r-- | drivers/firewire/ohci.h (renamed from drivers/firewire/fw-ohci.h) | 6 |
13 files changed, 326 insertions, 737 deletions
diff --git a/drivers/firewire/core.h b/drivers/firewire/core.h new file mode 100644 index 000000000000..273f0ab82928 --- /dev/null +++ b/drivers/firewire/core.h | |||
| @@ -0,0 +1,293 @@ | |||
| 1 | #ifndef _FIREWIRE_CORE_H | ||
| 2 | #define _FIREWIRE_CORE_H | ||
| 3 | |||
| 4 | #include <linux/dma-mapping.h> | ||
| 5 | #include <linux/fs.h> | ||
| 6 | #include <linux/list.h> | ||
| 7 | #include <linux/idr.h> | ||
| 8 | #include <linux/mm_types.h> | ||
| 9 | #include <linux/rwsem.h> | ||
| 10 | #include <linux/slab.h> | ||
| 11 | #include <linux/types.h> | ||
| 12 | |||
| 13 | #include <asm/atomic.h> | ||
| 14 | |||
| 15 | struct device; | ||
| 16 | struct fw_card; | ||
| 17 | struct fw_device; | ||
| 18 | struct fw_iso_buffer; | ||
| 19 | struct fw_iso_context; | ||
| 20 | struct fw_iso_packet; | ||
| 21 | struct fw_node; | ||
| 22 | struct fw_packet; | ||
| 23 | |||
| 24 | |||
| 25 | /* -card */ | ||
| 26 | |||
| 27 | /* bitfields within the PHY registers */ | ||
| 28 | #define PHY_LINK_ACTIVE 0x80 | ||
| 29 | #define PHY_CONTENDER 0x40 | ||
| 30 | #define PHY_BUS_RESET 0x40 | ||
| 31 | #define PHY_BUS_SHORT_RESET 0x40 | ||
| 32 | |||
| 33 | #define BANDWIDTH_AVAILABLE_INITIAL 4915 | ||
| 34 | #define BROADCAST_CHANNEL_INITIAL (1 << 31 | 31) | ||
| 35 | #define BROADCAST_CHANNEL_VALID (1 << 30) | ||
| 36 | |||
| 37 | struct fw_card_driver { | ||
| 38 | /* | ||
| 39 | * Enable the given card with the given initial config rom. | ||
| 40 | * This function is expected to activate the card, and either | ||
| 41 | * enable the PHY or set the link_on bit and initiate a bus | ||
| 42 | * reset. | ||
| 43 | */ | ||
| 44 | int (*enable)(struct fw_card *card, u32 *config_rom, size_t length); | ||
| 45 | |||
| 46 | int (*update_phy_reg)(struct fw_card *card, int address, | ||
| 47 | int clear_bits, int set_bits); | ||
| 48 | |||
| 49 | /* | ||
| 50 | * Update the config rom for an enabled card. This function | ||
| 51 | * should change the config rom that is presented on the bus | ||
| 52 | * an initiate a bus reset. | ||
| 53 | */ | ||
| 54 | int (*set_config_rom)(struct fw_card *card, | ||
| 55 | u32 *config_rom, size_t length); | ||
| 56 | |||
| 57 | void (*send_request)(struct fw_card *card, struct fw_packet *packet); | ||
| 58 | void (*send_response)(struct fw_card *card, struct fw_packet *packet); | ||
| 59 | /* Calling cancel is valid once a packet has been submitted. */ | ||
| 60 | int (*cancel_packet)(struct fw_card *card, struct fw_packet *packet); | ||
| 61 | |||
| 62 | /* | ||
| 63 | * Allow the specified node ID to do direct DMA out and in of | ||
| 64 | * host memory. The card will disable this for all node when | ||
| 65 | * a bus reset happens, so driver need to reenable this after | ||
| 66 | * bus reset. Returns 0 on success, -ENODEV if the card | ||
| 67 | * doesn't support this, -ESTALE if the generation doesn't | ||
| 68 | * match. | ||
| 69 | */ | ||
| 70 | int (*enable_phys_dma)(struct fw_card *card, | ||
| 71 | int node_id, int generation); | ||
| 72 | |||
| 73 | u64 (*get_bus_time)(struct fw_card *card); | ||
| 74 | |||
| 75 | struct fw_iso_context * | ||
| 76 | (*allocate_iso_context)(struct fw_card *card, | ||
| 77 | int type, int channel, size_t header_size); | ||
| 78 | void (*free_iso_context)(struct fw_iso_context *ctx); | ||
| 79 | |||
| 80 | int (*start_iso)(struct fw_iso_context *ctx, | ||
| 81 | s32 cycle, u32 sync, u32 tags); | ||
| 82 | |||
| 83 | int (*queue_iso)(struct fw_iso_context *ctx, | ||
| 84 | struct fw_iso_packet *packet, | ||
| 85 | struct fw_iso_buffer *buffer, | ||
| 86 | unsigned long payload); | ||
| 87 | |||
| 88 | int (*stop_iso)(struct fw_iso_context *ctx); | ||
| 89 | }; | ||
| 90 | |||
| 91 | void fw_card_initialize(struct fw_card *card, | ||
| 92 | const struct fw_card_driver *driver, struct device *device); | ||
| 93 | int fw_card_add(struct fw_card *card, | ||
| 94 | u32 max_receive, u32 link_speed, u64 guid); | ||
| 95 | void fw_core_remove_card(struct fw_card *card); | ||
| 96 | int fw_core_initiate_bus_reset(struct fw_card *card, int short_reset); | ||
| 97 | int fw_compute_block_crc(u32 *block); | ||
| 98 | void fw_schedule_bm_work(struct fw_card *card, unsigned long delay); | ||
| 99 | |||
| 100 | struct fw_descriptor { | ||
| 101 | struct list_head link; | ||
| 102 | size_t length; | ||
| 103 | u32 immediate; | ||
| 104 | u32 key; | ||
| 105 | const u32 *data; | ||
| 106 | }; | ||
| 107 | |||
| 108 | int fw_core_add_descriptor(struct fw_descriptor *desc); | ||
| 109 | void fw_core_remove_descriptor(struct fw_descriptor *desc); | ||
| 110 | |||
| 111 | |||
| 112 | /* -cdev */ | ||
| 113 | |||
| 114 | extern const struct file_operations fw_device_ops; | ||
| 115 | |||
| 116 | void fw_device_cdev_update(struct fw_device *device); | ||
| 117 | void fw_device_cdev_remove(struct fw_device *device); | ||
| 118 | |||
| 119 | |||
| 120 | /* -device */ | ||
| 121 | |||
| 122 | extern struct rw_semaphore fw_device_rwsem; | ||
| 123 | extern struct idr fw_device_idr; | ||
| 124 | extern int fw_cdev_major; | ||
| 125 | |||
| 126 | struct fw_device *fw_device_get_by_devt(dev_t devt); | ||
| 127 | void fw_device_set_broadcast_channel(struct fw_device *device, int generation); | ||
| 128 | void fw_node_event(struct fw_card *card, struct fw_node *node, int event); | ||
| 129 | |||
| 130 | |||
| 131 | /* -iso */ | ||
| 132 | |||
| 133 | /* | ||
| 134 | * The iso packet format allows for an immediate header/payload part | ||
| 135 | * stored in 'header' immediately after the packet info plus an | ||
| 136 | * indirect payload part that is pointer to by the 'payload' field. | ||
| 137 | * Applications can use one or the other or both to implement simple | ||
| 138 | * low-bandwidth streaming (e.g. audio) or more advanced | ||
| 139 | * scatter-gather streaming (e.g. assembling video frame automatically). | ||
| 140 | */ | ||
| 141 | struct fw_iso_packet { | ||
| 142 | u16 payload_length; /* Length of indirect payload. */ | ||
| 143 | u32 interrupt:1; /* Generate interrupt on this packet */ | ||
| 144 | u32 skip:1; /* Set to not send packet at all. */ | ||
| 145 | u32 tag:2; | ||
| 146 | u32 sy:4; | ||
| 147 | u32 header_length:8; /* Length of immediate header. */ | ||
| 148 | u32 header[0]; | ||
| 149 | }; | ||
| 150 | |||
| 151 | #define FW_ISO_CONTEXT_TRANSMIT 0 | ||
| 152 | #define FW_ISO_CONTEXT_RECEIVE 1 | ||
| 153 | |||
| 154 | #define FW_ISO_CONTEXT_MATCH_TAG0 1 | ||
| 155 | #define FW_ISO_CONTEXT_MATCH_TAG1 2 | ||
| 156 | #define FW_ISO_CONTEXT_MATCH_TAG2 4 | ||
| 157 | #define FW_ISO_CONTEXT_MATCH_TAG3 8 | ||
| 158 | #define FW_ISO_CONTEXT_MATCH_ALL_TAGS 15 | ||
| 159 | |||
| 160 | /* | ||
| 161 | * An iso buffer is just a set of pages mapped for DMA in the | ||
| 162 | * specified direction. Since the pages are to be used for DMA, they | ||
| 163 | * are not mapped into the kernel virtual address space. We store the | ||
| 164 | * DMA address in the page private. The helper function | ||
| 165 | * fw_iso_buffer_map() will map the pages into a given vma. | ||
| 166 | */ | ||
| 167 | struct fw_iso_buffer { | ||
| 168 | enum dma_data_direction direction; | ||
| 169 | struct page **pages; | ||
| 170 | int page_count; | ||
| 171 | }; | ||
| 172 | |||
| 173 | typedef void (*fw_iso_callback_t)(struct fw_iso_context *context, | ||
| 174 | u32 cycle, size_t header_length, | ||
| 175 | void *header, void *data); | ||
| 176 | |||
| 177 | struct fw_iso_context { | ||
| 178 | struct fw_card *card; | ||
| 179 | int type; | ||
| 180 | int channel; | ||
| 181 | int speed; | ||
| 182 | size_t header_size; | ||
| 183 | fw_iso_callback_t callback; | ||
| 184 | void *callback_data; | ||
| 185 | }; | ||
| 186 | |||
| 187 | int fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card, | ||
| 188 | int page_count, enum dma_data_direction direction); | ||
| 189 | int fw_iso_buffer_map(struct fw_iso_buffer *buffer, struct vm_area_struct *vma); | ||
| 190 | void fw_iso_buffer_destroy(struct fw_iso_buffer *buffer, struct fw_card *card); | ||
| 191 | |||
| 192 | struct fw_iso_context *fw_iso_context_create(struct fw_card *card, | ||
| 193 | int type, int channel, int speed, size_t header_size, | ||
| 194 | fw_iso_callback_t callback, void *callback_data); | ||
| 195 | int fw_iso_context_queue(struct fw_iso_context *ctx, | ||
| 196 | struct fw_iso_packet *packet, | ||
| 197 | struct fw_iso_buffer *buffer, | ||
| 198 | unsigned long payload); | ||
| 199 | int fw_iso_context_start(struct fw_iso_context *ctx, | ||
| 200 | int cycle, int sync, int tags); | ||
| 201 | int fw_iso_context_stop(struct fw_iso_context *ctx); | ||
| 202 | void fw_iso_context_destroy(struct fw_iso_context *ctx); | ||
| 203 | |||
| 204 | void fw_iso_resource_manage(struct fw_card *card, int generation, | ||
| 205 | u64 channels_mask, int *channel, int *bandwidth, bool allocate); | ||
| 206 | |||
| 207 | |||
| 208 | /* -topology */ | ||
| 209 | |||
| 210 | enum { | ||
| 211 | FW_NODE_CREATED, | ||
| 212 | FW_NODE_UPDATED, | ||
| 213 | FW_NODE_DESTROYED, | ||
| 214 | FW_NODE_LINK_ON, | ||
| 215 | FW_NODE_LINK_OFF, | ||
| 216 | FW_NODE_INITIATED_RESET, | ||
| 217 | }; | ||
| 218 | |||
| 219 | struct fw_node { | ||
| 220 | u16 node_id; | ||
| 221 | u8 color; | ||
| 222 | u8 port_count; | ||
| 223 | u8 link_on:1; | ||
| 224 | u8 initiated_reset:1; | ||
| 225 | u8 b_path:1; | ||
| 226 | u8 phy_speed:2; /* As in the self ID packet. */ | ||
| 227 | u8 max_speed:2; /* Minimum of all phy-speeds on the path from the | ||
| 228 | * local node to this node. */ | ||
| 229 | u8 max_depth:4; /* Maximum depth to any leaf node */ | ||
| 230 | u8 max_hops:4; /* Max hops in this sub tree */ | ||
| 231 | atomic_t ref_count; | ||
| 232 | |||
| 233 | /* For serializing node topology into a list. */ | ||
| 234 | struct list_head link; | ||
| 235 | |||
| 236 | /* Upper layer specific data. */ | ||
| 237 | void *data; | ||
| 238 | |||
| 239 | struct fw_node *ports[0]; | ||
| 240 | }; | ||
| 241 | |||
| 242 | static inline struct fw_node *fw_node_get(struct fw_node *node) | ||
| 243 | { | ||
| 244 | atomic_inc(&node->ref_count); | ||
| 245 | |||
| 246 | return node; | ||
| 247 | } | ||
| 248 | |||
| 249 | static inline void fw_node_put(struct fw_node *node) | ||
| 250 | { | ||
| 251 | if (atomic_dec_and_test(&node->ref_count)) | ||
| 252 | kfree(node); | ||
| 253 | } | ||
| 254 | |||
| 255 | void fw_core_handle_bus_reset(struct fw_card *card, int node_id, | ||
| 256 | int generation, int self_id_count, u32 *self_ids); | ||
| 257 | void fw_destroy_nodes(struct fw_card *card); | ||
| 258 | |||
| 259 | /* | ||
| 260 | * Check whether new_generation is the immediate successor of old_generation. | ||
| 261 | * Take counter roll-over at 255 (as per OHCI) into account. | ||
| 262 | */ | ||
| 263 | static inline bool is_next_generation(int new_generation, int old_generation) | ||
| 264 | { | ||
| 265 | return (new_generation & 0xff) == ((old_generation + 1) & 0xff); | ||
| 266 | } | ||
| 267 | |||
| 268 | |||
| 269 | /* -transaction */ | ||
| 270 | |||
| 271 | #define TCODE_IS_READ_REQUEST(tcode) (((tcode) & ~1) == 4) | ||
| 272 | #define TCODE_IS_BLOCK_PACKET(tcode) (((tcode) & 1) != 0) | ||
| 273 | #define TCODE_IS_REQUEST(tcode) (((tcode) & 2) == 0) | ||
| 274 | #define TCODE_IS_RESPONSE(tcode) (((tcode) & 2) != 0) | ||
| 275 | #define TCODE_HAS_REQUEST_DATA(tcode) (((tcode) & 12) != 4) | ||
| 276 | #define TCODE_HAS_RESPONSE_DATA(tcode) (((tcode) & 12) != 0) | ||
| 277 | |||
| 278 | #define LOCAL_BUS 0xffc0 | ||
| 279 | |||
| 280 | void fw_core_handle_request(struct fw_card *card, struct fw_packet *request); | ||
| 281 | void fw_core_handle_response(struct fw_card *card, struct fw_packet *packet); | ||
| 282 | void fw_fill_response(struct fw_packet *response, u32 *request_header, | ||
| 283 | int rcode, void *payload, size_t length); | ||
| 284 | void fw_flush_transactions(struct fw_card *card); | ||
| 285 | void fw_send_phy_config(struct fw_card *card, | ||
| 286 | int node_id, int generation, int gap_count); | ||
| 287 | |||
| 288 | static inline int fw_stream_packet_destination_id(int tag, int channel, int sy) | ||
| 289 | { | ||
| 290 | return tag << 14 | channel << 8 | sy; | ||
| 291 | } | ||
| 292 | |||
| 293 | #endif /* _FIREWIRE_CORE_H */ | ||
diff --git a/drivers/firewire/fw-card.c b/drivers/firewire/fw-card.c index b6f55e262e7f..ba6cd70b8518 100644 --- a/drivers/firewire/fw-card.c +++ b/drivers/firewire/fw-card.c | |||
| @@ -21,6 +21,8 @@ | |||
| 21 | #include <linux/crc-itu-t.h> | 21 | #include <linux/crc-itu-t.h> |
| 22 | #include <linux/device.h> | 22 | #include <linux/device.h> |
| 23 | #include <linux/errno.h> | 23 | #include <linux/errno.h> |
| 24 | #include <linux/firewire.h> | ||
| 25 | #include <linux/firewire-constants.h> | ||
| 24 | #include <linux/jiffies.h> | 26 | #include <linux/jiffies.h> |
| 25 | #include <linux/kernel.h> | 27 | #include <linux/kernel.h> |
| 26 | #include <linux/kref.h> | 28 | #include <linux/kref.h> |
| @@ -34,9 +36,7 @@ | |||
| 34 | #include <asm/atomic.h> | 36 | #include <asm/atomic.h> |
| 35 | #include <asm/byteorder.h> | 37 | #include <asm/byteorder.h> |
| 36 | 38 | ||
| 37 | #include "fw-device.h" | 39 | #include "core.h" |
| 38 | #include "fw-topology.h" | ||
| 39 | #include "fw-transaction.h" | ||
| 40 | 40 | ||
| 41 | int fw_compute_block_crc(u32 *block) | 41 | int fw_compute_block_crc(u32 *block) |
| 42 | { | 42 | { |
diff --git a/drivers/firewire/fw-cdev.c b/drivers/firewire/fw-cdev.c index 8a5e6ae2552c..042c04540474 100644 --- a/drivers/firewire/fw-cdev.c +++ b/drivers/firewire/fw-cdev.c | |||
| @@ -22,6 +22,7 @@ | |||
| 22 | #include <linux/delay.h> | 22 | #include <linux/delay.h> |
| 23 | #include <linux/device.h> | 23 | #include <linux/device.h> |
| 24 | #include <linux/errno.h> | 24 | #include <linux/errno.h> |
| 25 | #include <linux/firewire.h> | ||
| 25 | #include <linux/firewire-cdev.h> | 26 | #include <linux/firewire-cdev.h> |
| 26 | #include <linux/idr.h> | 27 | #include <linux/idr.h> |
| 27 | #include <linux/jiffies.h> | 28 | #include <linux/jiffies.h> |
| @@ -41,9 +42,7 @@ | |||
| 41 | #include <asm/system.h> | 42 | #include <asm/system.h> |
| 42 | #include <asm/uaccess.h> | 43 | #include <asm/uaccess.h> |
| 43 | 44 | ||
| 44 | #include "fw-device.h" | 45 | #include "core.h" |
| 45 | #include "fw-topology.h" | ||
| 46 | #include "fw-transaction.h" | ||
| 47 | 46 | ||
| 48 | struct client { | 47 | struct client { |
| 49 | u32 version; | 48 | u32 version; |
diff --git a/drivers/firewire/fw-device.c b/drivers/firewire/fw-device.c index 238acac5badb..65d84dd6c1de 100644 --- a/drivers/firewire/fw-device.c +++ b/drivers/firewire/fw-device.c | |||
| @@ -22,6 +22,8 @@ | |||
| 22 | #include <linux/delay.h> | 22 | #include <linux/delay.h> |
| 23 | #include <linux/device.h> | 23 | #include <linux/device.h> |
| 24 | #include <linux/errno.h> | 24 | #include <linux/errno.h> |
| 25 | #include <linux/firewire.h> | ||
| 26 | #include <linux/firewire-constants.h> | ||
| 25 | #include <linux/idr.h> | 27 | #include <linux/idr.h> |
| 26 | #include <linux/jiffies.h> | 28 | #include <linux/jiffies.h> |
| 27 | #include <linux/kobject.h> | 29 | #include <linux/kobject.h> |
| @@ -39,9 +41,7 @@ | |||
| 39 | #include <asm/byteorder.h> | 41 | #include <asm/byteorder.h> |
| 40 | #include <asm/system.h> | 42 | #include <asm/system.h> |
| 41 | 43 | ||
| 42 | #include "fw-device.h" | 44 | #include "core.h" |
| 43 | #include "fw-topology.h" | ||
| 44 | #include "fw-transaction.h" | ||
| 45 | 45 | ||
| 46 | void fw_csr_iterator_init(struct fw_csr_iterator *ci, u32 * p) | 46 | void fw_csr_iterator_init(struct fw_csr_iterator *ci, u32 * p) |
| 47 | { | 47 | { |
| @@ -94,8 +94,9 @@ static int fw_unit_match(struct device *dev, struct device_driver *drv) | |||
| 94 | return 0; | 94 | return 0; |
| 95 | 95 | ||
| 96 | device = fw_device(unit->device.parent); | 96 | device = fw_device(unit->device.parent); |
| 97 | id = container_of(drv, struct fw_driver, driver)->id_table; | ||
| 97 | 98 | ||
| 98 | for (id = fw_driver(drv)->id_table; id->match_flags != 0; id++) { | 99 | for (; id->match_flags != 0; id++) { |
| 99 | if (match_unit_directory(unit->directory, id->match_flags, id)) | 100 | if (match_unit_directory(unit->directory, id->match_flags, id)) |
| 100 | return 1; | 101 | return 1; |
| 101 | 102 | ||
diff --git a/drivers/firewire/fw-device.h b/drivers/firewire/fw-device.h deleted file mode 100644 index e973c4361f48..000000000000 --- a/drivers/firewire/fw-device.h +++ /dev/null | |||
| @@ -1,190 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2005-2006 Kristian Hoegsberg <krh@bitplanet.net> | ||
| 3 | * | ||
| 4 | * This program is free software; you can redistribute it and/or modify | ||
| 5 | * it under the terms of the GNU General Public License as published by | ||
| 6 | * the Free Software Foundation; either version 2 of the License, or | ||
| 7 | * (at your option) any later version. | ||
| 8 | * | ||
| 9 | * This program is distributed in the hope that it will be useful, | ||
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 12 | * GNU General Public License for more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU General Public License | ||
| 15 | * along with this program; if not, write to the Free Software Foundation, | ||
| 16 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
| 17 | */ | ||
| 18 | |||
| 19 | #ifndef __fw_device_h | ||
| 20 | #define __fw_device_h | ||
| 21 | |||
| 22 | #include <linux/device.h> | ||
| 23 | #include <linux/fs.h> | ||
| 24 | #include <linux/idr.h> | ||
| 25 | #include <linux/kernel.h> | ||
| 26 | #include <linux/list.h> | ||
| 27 | #include <linux/mod_devicetable.h> | ||
| 28 | #include <linux/mutex.h> | ||
| 29 | #include <linux/rwsem.h> | ||
| 30 | #include <linux/sysfs.h> | ||
| 31 | #include <linux/types.h> | ||
| 32 | #include <linux/workqueue.h> | ||
| 33 | |||
| 34 | #include <asm/atomic.h> | ||
| 35 | |||
| 36 | enum fw_device_state { | ||
| 37 | FW_DEVICE_INITIALIZING, | ||
| 38 | FW_DEVICE_RUNNING, | ||
| 39 | FW_DEVICE_GONE, | ||
| 40 | FW_DEVICE_SHUTDOWN, | ||
| 41 | }; | ||
| 42 | |||
| 43 | struct fw_attribute_group { | ||
| 44 | struct attribute_group *groups[2]; | ||
| 45 | struct attribute_group group; | ||
| 46 | struct attribute *attrs[12]; | ||
| 47 | }; | ||
| 48 | |||
| 49 | struct fw_node; | ||
| 50 | struct fw_card; | ||
| 51 | |||
| 52 | /* | ||
| 53 | * Note, fw_device.generation always has to be read before fw_device.node_id. | ||
| 54 | * Use SMP memory barriers to ensure this. Otherwise requests will be sent | ||
| 55 | * to an outdated node_id if the generation was updated in the meantime due | ||
| 56 | * to a bus reset. | ||
| 57 | * | ||
| 58 | * Likewise, fw-core will take care to update .node_id before .generation so | ||
| 59 | * that whenever fw_device.generation is current WRT the actual bus generation, | ||
| 60 | * fw_device.node_id is guaranteed to be current too. | ||
| 61 | * | ||
| 62 | * The same applies to fw_device.card->node_id vs. fw_device.generation. | ||
| 63 | * | ||
| 64 | * fw_device.config_rom and fw_device.config_rom_length may be accessed during | ||
| 65 | * the lifetime of any fw_unit belonging to the fw_device, before device_del() | ||
| 66 | * was called on the last fw_unit. Alternatively, they may be accessed while | ||
| 67 | * holding fw_device_rwsem. | ||
| 68 | */ | ||
| 69 | struct fw_device { | ||
| 70 | atomic_t state; | ||
| 71 | struct fw_node *node; | ||
| 72 | int node_id; | ||
| 73 | int generation; | ||
| 74 | unsigned max_speed; | ||
| 75 | struct fw_card *card; | ||
| 76 | struct device device; | ||
| 77 | |||
| 78 | struct mutex client_list_mutex; | ||
| 79 | struct list_head client_list; | ||
| 80 | |||
| 81 | u32 *config_rom; | ||
| 82 | size_t config_rom_length; | ||
| 83 | int config_rom_retries; | ||
| 84 | unsigned is_local:1; | ||
| 85 | unsigned cmc:1; | ||
| 86 | unsigned bc_implemented:2; | ||
| 87 | |||
| 88 | struct delayed_work work; | ||
| 89 | struct fw_attribute_group attribute_group; | ||
| 90 | }; | ||
| 91 | |||
| 92 | static inline struct fw_device *fw_device(struct device *dev) | ||
| 93 | { | ||
| 94 | return container_of(dev, struct fw_device, device); | ||
| 95 | } | ||
| 96 | |||
| 97 | static inline int fw_device_is_shutdown(struct fw_device *device) | ||
| 98 | { | ||
| 99 | return atomic_read(&device->state) == FW_DEVICE_SHUTDOWN; | ||
| 100 | } | ||
| 101 | |||
| 102 | static inline struct fw_device *fw_device_get(struct fw_device *device) | ||
| 103 | { | ||
| 104 | get_device(&device->device); | ||
| 105 | |||
| 106 | return device; | ||
| 107 | } | ||
| 108 | |||
| 109 | static inline void fw_device_put(struct fw_device *device) | ||
| 110 | { | ||
| 111 | put_device(&device->device); | ||
| 112 | } | ||
| 113 | |||
| 114 | struct fw_device *fw_device_get_by_devt(dev_t devt); | ||
| 115 | int fw_device_enable_phys_dma(struct fw_device *device); | ||
| 116 | void fw_device_set_broadcast_channel(struct fw_device *device, int generation); | ||
| 117 | |||
| 118 | void fw_device_cdev_update(struct fw_device *device); | ||
| 119 | void fw_device_cdev_remove(struct fw_device *device); | ||
| 120 | |||
| 121 | extern struct rw_semaphore fw_device_rwsem; | ||
| 122 | extern struct idr fw_device_idr; | ||
| 123 | extern int fw_cdev_major; | ||
| 124 | |||
| 125 | /* | ||
| 126 | * fw_unit.directory must not be accessed after device_del(&fw_unit.device). | ||
| 127 | */ | ||
| 128 | struct fw_unit { | ||
| 129 | struct device device; | ||
| 130 | u32 *directory; | ||
| 131 | struct fw_attribute_group attribute_group; | ||
| 132 | }; | ||
| 133 | |||
| 134 | static inline struct fw_unit *fw_unit(struct device *dev) | ||
| 135 | { | ||
| 136 | return container_of(dev, struct fw_unit, device); | ||
| 137 | } | ||
| 138 | |||
| 139 | static inline struct fw_unit *fw_unit_get(struct fw_unit *unit) | ||
| 140 | { | ||
| 141 | get_device(&unit->device); | ||
| 142 | |||
| 143 | return unit; | ||
| 144 | } | ||
| 145 | |||
| 146 | static inline void fw_unit_put(struct fw_unit *unit) | ||
| 147 | { | ||
| 148 | put_device(&unit->device); | ||
| 149 | } | ||
| 150 | |||
| 151 | #define CSR_OFFSET 0x40 | ||
| 152 | #define CSR_LEAF 0x80 | ||
| 153 | #define CSR_DIRECTORY 0xc0 | ||
| 154 | |||
| 155 | #define CSR_DESCRIPTOR 0x01 | ||
| 156 | #define CSR_VENDOR 0x03 | ||
| 157 | #define CSR_HARDWARE_VERSION 0x04 | ||
| 158 | #define CSR_NODE_CAPABILITIES 0x0c | ||
| 159 | #define CSR_UNIT 0x11 | ||
| 160 | #define CSR_SPECIFIER_ID 0x12 | ||
| 161 | #define CSR_VERSION 0x13 | ||
| 162 | #define CSR_DEPENDENT_INFO 0x14 | ||
| 163 | #define CSR_MODEL 0x17 | ||
| 164 | #define CSR_INSTANCE 0x18 | ||
| 165 | #define CSR_DIRECTORY_ID 0x20 | ||
| 166 | |||
| 167 | struct fw_csr_iterator { | ||
| 168 | u32 *p; | ||
| 169 | u32 *end; | ||
| 170 | }; | ||
| 171 | |||
| 172 | void fw_csr_iterator_init(struct fw_csr_iterator *ci, u32 *p); | ||
| 173 | int fw_csr_iterator_next(struct fw_csr_iterator *ci, | ||
| 174 | int *key, int *value); | ||
| 175 | |||
| 176 | struct fw_driver { | ||
| 177 | struct device_driver driver; | ||
| 178 | /* Called when the parent device sits through a bus reset. */ | ||
| 179 | void (*update)(struct fw_unit *unit); | ||
| 180 | const struct ieee1394_device_id *id_table; | ||
| 181 | }; | ||
| 182 | |||
| 183 | static inline struct fw_driver *fw_driver(struct device_driver *drv) | ||
| 184 | { | ||
| 185 | return container_of(drv, struct fw_driver, driver); | ||
| 186 | } | ||
| 187 | |||
| 188 | extern const struct file_operations fw_device_ops; | ||
| 189 | |||
| 190 | #endif /* __fw_device_h */ | ||
diff --git a/drivers/firewire/fw-iso.c b/drivers/firewire/fw-iso.c index 0ff3e9c42eb1..28076c892d7e 100644 --- a/drivers/firewire/fw-iso.c +++ b/drivers/firewire/fw-iso.c | |||
| @@ -22,6 +22,7 @@ | |||
| 22 | 22 | ||
| 23 | #include <linux/dma-mapping.h> | 23 | #include <linux/dma-mapping.h> |
| 24 | #include <linux/errno.h> | 24 | #include <linux/errno.h> |
| 25 | #include <linux/firewire.h> | ||
| 25 | #include <linux/firewire-constants.h> | 26 | #include <linux/firewire-constants.h> |
| 26 | #include <linux/kernel.h> | 27 | #include <linux/kernel.h> |
| 27 | #include <linux/mm.h> | 28 | #include <linux/mm.h> |
| @@ -30,8 +31,7 @@ | |||
| 30 | 31 | ||
| 31 | #include <asm/byteorder.h> | 32 | #include <asm/byteorder.h> |
| 32 | 33 | ||
| 33 | #include "fw-topology.h" | 34 | #include "core.h" |
| 34 | #include "fw-transaction.h" | ||
| 35 | 35 | ||
| 36 | /* | 36 | /* |
| 37 | * Isochronous DMA context management | 37 | * Isochronous DMA context management |
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c index d296d12909d6..ecddd11b797a 100644 --- a/drivers/firewire/fw-ohci.c +++ b/drivers/firewire/fw-ohci.c | |||
| @@ -22,6 +22,7 @@ | |||
| 22 | #include <linux/delay.h> | 22 | #include <linux/delay.h> |
| 23 | #include <linux/device.h> | 23 | #include <linux/device.h> |
| 24 | #include <linux/dma-mapping.h> | 24 | #include <linux/dma-mapping.h> |
| 25 | #include <linux/firewire.h> | ||
| 25 | #include <linux/firewire-constants.h> | 26 | #include <linux/firewire-constants.h> |
| 26 | #include <linux/gfp.h> | 27 | #include <linux/gfp.h> |
| 27 | #include <linux/init.h> | 28 | #include <linux/init.h> |
| @@ -45,8 +46,8 @@ | |||
| 45 | #include <asm/pmac_feature.h> | 46 | #include <asm/pmac_feature.h> |
| 46 | #endif | 47 | #endif |
| 47 | 48 | ||
| 48 | #include "fw-ohci.h" | 49 | #include "core.h" |
| 49 | #include "fw-transaction.h" | 50 | #include "ohci.h" |
| 50 | 51 | ||
| 51 | #define DESCRIPTOR_OUTPUT_MORE 0 | 52 | #define DESCRIPTOR_OUTPUT_MORE 0 |
| 52 | #define DESCRIPTOR_OUTPUT_LAST (1 << 12) | 53 | #define DESCRIPTOR_OUTPUT_LAST (1 << 12) |
diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index 027b91f4a6e7..d41cb6e455bc 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c | |||
| @@ -34,6 +34,7 @@ | |||
| 34 | #include <linux/delay.h> | 34 | #include <linux/delay.h> |
| 35 | #include <linux/device.h> | 35 | #include <linux/device.h> |
| 36 | #include <linux/dma-mapping.h> | 36 | #include <linux/dma-mapping.h> |
| 37 | #include <linux/firewire.h> | ||
| 37 | #include <linux/firewire-constants.h> | 38 | #include <linux/firewire-constants.h> |
| 38 | #include <linux/init.h> | 39 | #include <linux/init.h> |
| 39 | #include <linux/jiffies.h> | 40 | #include <linux/jiffies.h> |
| @@ -58,9 +59,6 @@ | |||
| 58 | #include <scsi/scsi_device.h> | 59 | #include <scsi/scsi_device.h> |
| 59 | #include <scsi/scsi_host.h> | 60 | #include <scsi/scsi_host.h> |
| 60 | 61 | ||
| 61 | #include "fw-device.h" | ||
| 62 | #include "fw-transaction.h" | ||
| 63 | |||
| 64 | /* | 62 | /* |
| 65 | * So far only bridges from Oxford Semiconductor are known to support | 63 | * So far only bridges from Oxford Semiconductor are known to support |
| 66 | * concurrent logins. Depending on firmware, four or two concurrent logins | 64 | * concurrent logins. Depending on firmware, four or two concurrent logins |
diff --git a/drivers/firewire/fw-topology.c b/drivers/firewire/fw-topology.c index 6d0ea1bb7e23..fddf2b358936 100644 --- a/drivers/firewire/fw-topology.c +++ b/drivers/firewire/fw-topology.c | |||
| @@ -20,6 +20,8 @@ | |||
| 20 | 20 | ||
| 21 | #include <linux/bug.h> | 21 | #include <linux/bug.h> |
| 22 | #include <linux/errno.h> | 22 | #include <linux/errno.h> |
| 23 | #include <linux/firewire.h> | ||
| 24 | #include <linux/firewire-constants.h> | ||
| 23 | #include <linux/jiffies.h> | 25 | #include <linux/jiffies.h> |
| 24 | #include <linux/kernel.h> | 26 | #include <linux/kernel.h> |
| 25 | #include <linux/list.h> | 27 | #include <linux/list.h> |
| @@ -31,8 +33,7 @@ | |||
| 31 | #include <asm/atomic.h> | 33 | #include <asm/atomic.h> |
| 32 | #include <asm/system.h> | 34 | #include <asm/system.h> |
| 33 | 35 | ||
| 34 | #include "fw-topology.h" | 36 | #include "core.h" |
| 35 | #include "fw-transaction.h" | ||
| 36 | 37 | ||
| 37 | #define SELF_ID_PHY_ID(q) (((q) >> 24) & 0x3f) | 38 | #define SELF_ID_PHY_ID(q) (((q) >> 24) & 0x3f) |
| 38 | #define SELF_ID_EXTENDED(q) (((q) >> 23) & 0x01) | 39 | #define SELF_ID_EXTENDED(q) (((q) >> 23) & 0x01) |
| @@ -45,6 +46,11 @@ | |||
| 45 | 46 | ||
| 46 | #define SELF_ID_EXT_SEQUENCE(q) (((q) >> 20) & 0x07) | 47 | #define SELF_ID_EXT_SEQUENCE(q) (((q) >> 20) & 0x07) |
| 47 | 48 | ||
| 49 | #define SELFID_PORT_CHILD 0x3 | ||
| 50 | #define SELFID_PORT_PARENT 0x2 | ||
| 51 | #define SELFID_PORT_NCONN 0x1 | ||
| 52 | #define SELFID_PORT_NONE 0x0 | ||
| 53 | |||
| 48 | static u32 *count_ports(u32 *sid, int *total_port_count, int *child_port_count) | 54 | static u32 *count_ports(u32 *sid, int *total_port_count, int *child_port_count) |
| 49 | { | 55 | { |
| 50 | u32 q; | 56 | u32 q; |
diff --git a/drivers/firewire/fw-topology.h b/drivers/firewire/fw-topology.h deleted file mode 100644 index 3c497bb4fae4..000000000000 --- a/drivers/firewire/fw-topology.h +++ /dev/null | |||
| @@ -1,77 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2003-2006 Kristian Hoegsberg <krh@bitplanet.net> | ||
| 3 | * | ||
| 4 | * This program is free software; you can redistribute it and/or modify | ||
| 5 | * it under the terms of the GNU General Public License as published by | ||
| 6 | * the Free Software Foundation; either version 2 of the License, or | ||
| 7 | * (at your option) any later version. | ||
| 8 | * | ||
| 9 | * This program is distributed in the hope that it will be useful, | ||
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 12 | * GNU General Public License for more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU General Public License | ||
| 15 | * along with this program; if not, write to the Free Software Foundation, | ||
| 16 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
| 17 | */ | ||
| 18 | |||
| 19 | #ifndef __fw_topology_h | ||
| 20 | #define __fw_topology_h | ||
| 21 | |||
| 22 | #include <linux/list.h> | ||
| 23 | #include <linux/slab.h> | ||
| 24 | |||
| 25 | #include <asm/atomic.h> | ||
| 26 | |||
| 27 | enum { | ||
| 28 | FW_NODE_CREATED, | ||
| 29 | FW_NODE_UPDATED, | ||
| 30 | FW_NODE_DESTROYED, | ||
| 31 | FW_NODE_LINK_ON, | ||
| 32 | FW_NODE_LINK_OFF, | ||
| 33 | FW_NODE_INITIATED_RESET, | ||
| 34 | }; | ||
| 35 | |||
| 36 | struct fw_node { | ||
| 37 | u16 node_id; | ||
| 38 | u8 color; | ||
| 39 | u8 port_count; | ||
| 40 | u8 link_on : 1; | ||
| 41 | u8 initiated_reset : 1; | ||
| 42 | u8 b_path : 1; | ||
| 43 | u8 phy_speed : 2; /* As in the self ID packet. */ | ||
| 44 | u8 max_speed : 2; /* Minimum of all phy-speeds on the path from the | ||
| 45 | * local node to this node. */ | ||
| 46 | u8 max_depth : 4; /* Maximum depth to any leaf node */ | ||
| 47 | u8 max_hops : 4; /* Max hops in this sub tree */ | ||
| 48 | atomic_t ref_count; | ||
| 49 | |||
| 50 | /* For serializing node topology into a list. */ | ||
| 51 | struct list_head link; | ||
| 52 | |||
| 53 | /* Upper layer specific data. */ | ||
| 54 | void *data; | ||
| 55 | |||
| 56 | struct fw_node *ports[0]; | ||
| 57 | }; | ||
| 58 | |||
| 59 | static inline struct fw_node *fw_node_get(struct fw_node *node) | ||
| 60 | { | ||
| 61 | atomic_inc(&node->ref_count); | ||
| 62 | |||
| 63 | return node; | ||
| 64 | } | ||
| 65 | |||
| 66 | static inline void fw_node_put(struct fw_node *node) | ||
| 67 | { | ||
| 68 | if (atomic_dec_and_test(&node->ref_count)) | ||
| 69 | kfree(node); | ||
| 70 | } | ||
| 71 | |||
| 72 | struct fw_card; | ||
| 73 | void fw_destroy_nodes(struct fw_card *card); | ||
| 74 | |||
| 75 | int fw_compute_block_crc(u32 *block); | ||
| 76 | |||
| 77 | #endif /* __fw_topology_h */ | ||
diff --git a/drivers/firewire/fw-transaction.c b/drivers/firewire/fw-transaction.c index 7008214e3336..9a6ce9ab2a67 100644 --- a/drivers/firewire/fw-transaction.c +++ b/drivers/firewire/fw-transaction.c | |||
| @@ -22,6 +22,7 @@ | |||
| 22 | #include <linux/completion.h> | 22 | #include <linux/completion.h> |
| 23 | #include <linux/device.h> | 23 | #include <linux/device.h> |
| 24 | #include <linux/errno.h> | 24 | #include <linux/errno.h> |
| 25 | #include <linux/firewire.h> | ||
| 25 | #include <linux/firewire-constants.h> | 26 | #include <linux/firewire-constants.h> |
| 26 | #include <linux/fs.h> | 27 | #include <linux/fs.h> |
| 27 | #include <linux/init.h> | 28 | #include <linux/init.h> |
| @@ -38,8 +39,7 @@ | |||
| 38 | 39 | ||
| 39 | #include <asm/byteorder.h> | 40 | #include <asm/byteorder.h> |
| 40 | 41 | ||
| 41 | #include "fw-device.h" /* for fw_device_ops */ | 42 | #include "core.h" |
| 42 | #include "fw-transaction.h" | ||
| 43 | 43 | ||
| 44 | #define HEADER_PRI(pri) ((pri) << 0) | 44 | #define HEADER_PRI(pri) ((pri) << 0) |
| 45 | #define HEADER_TCODE(tcode) ((tcode) << 4) | 45 | #define HEADER_TCODE(tcode) ((tcode) << 4) |
| @@ -64,6 +64,10 @@ | |||
| 64 | #define HEADER_DESTINATION_IS_BROADCAST(q) \ | 64 | #define HEADER_DESTINATION_IS_BROADCAST(q) \ |
| 65 | (((q) & HEADER_DESTINATION(0x3f)) == HEADER_DESTINATION(0x3f)) | 65 | (((q) & HEADER_DESTINATION(0x3f)) == HEADER_DESTINATION(0x3f)) |
| 66 | 66 | ||
| 67 | #define PHY_PACKET_CONFIG 0x0 | ||
| 68 | #define PHY_PACKET_LINK_ON 0x1 | ||
| 69 | #define PHY_PACKET_SELF_ID 0x2 | ||
| 70 | |||
| 67 | #define PHY_CONFIG_GAP_COUNT(gap_count) (((gap_count) << 16) | (1 << 22)) | 71 | #define PHY_CONFIG_GAP_COUNT(gap_count) (((gap_count) << 16) | (1 << 22)) |
| 68 | #define PHY_CONFIG_ROOT_ID(node_id) ((((node_id) & 0x3f) << 24) | (1 << 23)) | 72 | #define PHY_CONFIG_ROOT_ID(node_id) ((((node_id) & 0x3f) << 24) | (1 << 23)) |
| 69 | #define PHY_IDENTIFIER(id) ((id) << 30) | 73 | #define PHY_IDENTIFIER(id) ((id) << 30) |
diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h deleted file mode 100644 index dfa799068f89..000000000000 --- a/drivers/firewire/fw-transaction.h +++ /dev/null | |||
| @@ -1,446 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2003-2006 Kristian Hoegsberg <krh@bitplanet.net> | ||
| 3 | * | ||
| 4 | * This program is free software; you can redistribute it and/or modify | ||
| 5 | * it under the terms of the GNU General Public License as published by | ||
| 6 | * the Free Software Foundation; either version 2 of the License, or | ||
| 7 | * (at your option) any later version. | ||
| 8 | * | ||
| 9 | * This program is distributed in the hope that it will be useful, | ||
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 12 | * GNU General Public License for more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU General Public License | ||
| 15 | * along with this program; if not, write to the Free Software Foundation, | ||
| 16 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
| 17 | */ | ||
| 18 | |||
| 19 | #ifndef __fw_transaction_h | ||
| 20 | #define __fw_transaction_h | ||
| 21 | |||
| 22 | #include <linux/completion.h> | ||
| 23 | #include <linux/device.h> | ||
| 24 | #include <linux/dma-mapping.h> | ||
| 25 | #include <linux/firewire-constants.h> | ||
| 26 | #include <linux/kref.h> | ||
| 27 | #include <linux/list.h> | ||
| 28 | #include <linux/spinlock_types.h> | ||
| 29 | #include <linux/timer.h> | ||
| 30 | #include <linux/types.h> | ||
| 31 | #include <linux/workqueue.h> | ||
| 32 | |||
| 33 | #define TCODE_IS_READ_REQUEST(tcode) (((tcode) & ~1) == 4) | ||
| 34 | #define TCODE_IS_BLOCK_PACKET(tcode) (((tcode) & 1) != 0) | ||
| 35 | #define TCODE_IS_REQUEST(tcode) (((tcode) & 2) == 0) | ||
| 36 | #define TCODE_IS_RESPONSE(tcode) (((tcode) & 2) != 0) | ||
| 37 | #define TCODE_HAS_REQUEST_DATA(tcode) (((tcode) & 12) != 4) | ||
| 38 | #define TCODE_HAS_RESPONSE_DATA(tcode) (((tcode) & 12) != 0) | ||
| 39 | |||
| 40 | #define LOCAL_BUS 0xffc0 | ||
| 41 | |||
| 42 | #define SELFID_PORT_CHILD 0x3 | ||
| 43 | #define SELFID_PORT_PARENT 0x2 | ||
| 44 | #define SELFID_PORT_NCONN 0x1 | ||
| 45 | #define SELFID_PORT_NONE 0x0 | ||
| 46 | |||
| 47 | #define PHY_PACKET_CONFIG 0x0 | ||
| 48 | #define PHY_PACKET_LINK_ON 0x1 | ||
| 49 | #define PHY_PACKET_SELF_ID 0x2 | ||
| 50 | |||
| 51 | /* Bit fields _within_ the PHY registers. */ | ||
| 52 | #define PHY_LINK_ACTIVE 0x80 | ||
| 53 | #define PHY_CONTENDER 0x40 | ||
| 54 | #define PHY_BUS_RESET 0x40 | ||
| 55 | #define PHY_BUS_SHORT_RESET 0x40 | ||
| 56 | |||
| 57 | #define CSR_REGISTER_BASE 0xfffff0000000ULL | ||
| 58 | |||
| 59 | /* register offsets relative to CSR_REGISTER_BASE */ | ||
| 60 | #define CSR_STATE_CLEAR 0x0 | ||
| 61 | #define CSR_STATE_SET 0x4 | ||
| 62 | #define CSR_NODE_IDS 0x8 | ||
| 63 | #define CSR_RESET_START 0xc | ||
| 64 | #define CSR_SPLIT_TIMEOUT_HI 0x18 | ||
| 65 | #define CSR_SPLIT_TIMEOUT_LO 0x1c | ||
| 66 | #define CSR_CYCLE_TIME 0x200 | ||
| 67 | #define CSR_BUS_TIME 0x204 | ||
| 68 | #define CSR_BUSY_TIMEOUT 0x210 | ||
| 69 | #define CSR_BUS_MANAGER_ID 0x21c | ||
| 70 | #define CSR_BANDWIDTH_AVAILABLE 0x220 | ||
| 71 | #define CSR_CHANNELS_AVAILABLE 0x224 | ||
| 72 | #define CSR_CHANNELS_AVAILABLE_HI 0x224 | ||
| 73 | #define CSR_CHANNELS_AVAILABLE_LO 0x228 | ||
| 74 | #define CSR_BROADCAST_CHANNEL 0x234 | ||
| 75 | #define CSR_CONFIG_ROM 0x400 | ||
| 76 | #define CSR_CONFIG_ROM_END 0x800 | ||
| 77 | #define CSR_FCP_COMMAND 0xB00 | ||
| 78 | #define CSR_FCP_RESPONSE 0xD00 | ||
| 79 | #define CSR_FCP_END 0xF00 | ||
| 80 | #define CSR_TOPOLOGY_MAP 0x1000 | ||
| 81 | #define CSR_TOPOLOGY_MAP_END 0x1400 | ||
| 82 | #define CSR_SPEED_MAP 0x2000 | ||
| 83 | #define CSR_SPEED_MAP_END 0x3000 | ||
| 84 | |||
| 85 | #define BANDWIDTH_AVAILABLE_INITIAL 4915 | ||
| 86 | #define BROADCAST_CHANNEL_INITIAL (1 << 31 | 31) | ||
| 87 | #define BROADCAST_CHANNEL_VALID (1 << 30) | ||
| 88 | |||
| 89 | #define fw_notify(s, args...) printk(KERN_NOTICE KBUILD_MODNAME ": " s, ## args) | ||
| 90 | #define fw_error(s, args...) printk(KERN_ERR KBUILD_MODNAME ": " s, ## args) | ||
| 91 | |||
| 92 | static inline void fw_memcpy_from_be32(void *_dst, void *_src, size_t size) | ||
| 93 | { | ||
| 94 | u32 *dst = _dst; | ||
| 95 | __be32 *src = _src; | ||
| 96 | int i; | ||
| 97 | |||
| 98 | for (i = 0; i < size / 4; i++) | ||
| 99 | dst[i] = be32_to_cpu(src[i]); | ||
| 100 | } | ||
| 101 | |||
| 102 | static inline void fw_memcpy_to_be32(void *_dst, void *_src, size_t size) | ||
| 103 | { | ||
| 104 | fw_memcpy_from_be32(_dst, _src, size); | ||
| 105 | } | ||
| 106 | |||
| 107 | struct fw_card; | ||
| 108 | struct fw_packet; | ||
| 109 | struct fw_node; | ||
| 110 | struct fw_request; | ||
| 111 | |||
| 112 | struct fw_descriptor { | ||
| 113 | struct list_head link; | ||
| 114 | size_t length; | ||
| 115 | u32 immediate; | ||
| 116 | u32 key; | ||
| 117 | const u32 *data; | ||
| 118 | }; | ||
| 119 | |||
| 120 | int fw_core_add_descriptor(struct fw_descriptor *desc); | ||
| 121 | void fw_core_remove_descriptor(struct fw_descriptor *desc); | ||
| 122 | |||
| 123 | typedef void (*fw_packet_callback_t)(struct fw_packet *packet, | ||
| 124 | struct fw_card *card, int status); | ||
| 125 | |||
| 126 | typedef void (*fw_transaction_callback_t)(struct fw_card *card, int rcode, | ||
| 127 | void *data, size_t length, | ||
| 128 | void *callback_data); | ||
| 129 | |||
| 130 | /* | ||
| 131 | * Important note: The callback must guarantee that either fw_send_response() | ||
| 132 | * or kfree() is called on the @request. | ||
| 133 | */ | ||
| 134 | typedef void (*fw_address_callback_t)(struct fw_card *card, | ||
| 135 | struct fw_request *request, | ||
| 136 | int tcode, int destination, int source, | ||
| 137 | int generation, int speed, | ||
| 138 | unsigned long long offset, | ||
| 139 | void *data, size_t length, | ||
| 140 | void *callback_data); | ||
| 141 | |||
| 142 | struct fw_packet { | ||
| 143 | int speed; | ||
| 144 | int generation; | ||
| 145 | u32 header[4]; | ||
| 146 | size_t header_length; | ||
| 147 | void *payload; | ||
| 148 | size_t payload_length; | ||
| 149 | dma_addr_t payload_bus; | ||
| 150 | u32 timestamp; | ||
| 151 | |||
| 152 | /* | ||
| 153 | * This callback is called when the packet transmission has | ||
| 154 | * completed; for successful transmission, the status code is | ||
| 155 | * the ack received from the destination, otherwise it's a | ||
| 156 | * negative errno: ENOMEM, ESTALE, ETIMEDOUT, ENODEV, EIO. | ||
| 157 | * The callback can be called from tasklet context and thus | ||
| 158 | * must never block. | ||
| 159 | */ | ||
| 160 | fw_packet_callback_t callback; | ||
| 161 | int ack; | ||
| 162 | struct list_head link; | ||
| 163 | void *driver_data; | ||
| 164 | }; | ||
| 165 | |||
| 166 | struct fw_transaction { | ||
| 167 | int node_id; /* The generation is implied; it is always the current. */ | ||
| 168 | int tlabel; | ||
| 169 | int timestamp; | ||
| 170 | struct list_head link; | ||
| 171 | |||
| 172 | struct fw_packet packet; | ||
| 173 | |||
| 174 | /* | ||
| 175 | * The data passed to the callback is valid only during the | ||
| 176 | * callback. | ||
| 177 | */ | ||
| 178 | fw_transaction_callback_t callback; | ||
| 179 | void *callback_data; | ||
| 180 | }; | ||
| 181 | |||
| 182 | struct fw_address_handler { | ||
| 183 | u64 offset; | ||
| 184 | size_t length; | ||
| 185 | fw_address_callback_t address_callback; | ||
| 186 | void *callback_data; | ||
| 187 | struct list_head link; | ||
| 188 | }; | ||
| 189 | |||
| 190 | struct fw_address_region { | ||
| 191 | u64 start; | ||
| 192 | u64 end; | ||
| 193 | }; | ||
| 194 | |||
| 195 | extern const struct fw_address_region fw_high_memory_region; | ||
| 196 | |||
| 197 | int fw_core_add_address_handler(struct fw_address_handler *handler, | ||
| 198 | const struct fw_address_region *region); | ||
| 199 | void fw_core_remove_address_handler(struct fw_address_handler *handler); | ||
| 200 | void fw_fill_response(struct fw_packet *response, u32 *request_header, | ||
| 201 | int rcode, void *payload, size_t length); | ||
| 202 | void fw_send_response(struct fw_card *card, | ||
| 203 | struct fw_request *request, int rcode); | ||
| 204 | |||
| 205 | extern struct bus_type fw_bus_type; | ||
| 206 | |||
| 207 | struct fw_card { | ||
| 208 | const struct fw_card_driver *driver; | ||
| 209 | struct device *device; | ||
| 210 | struct kref kref; | ||
| 211 | struct completion done; | ||
| 212 | |||
| 213 | int node_id; | ||
| 214 | int generation; | ||
| 215 | int current_tlabel, tlabel_mask; | ||
| 216 | struct list_head transaction_list; | ||
| 217 | struct timer_list flush_timer; | ||
| 218 | unsigned long reset_jiffies; | ||
| 219 | |||
| 220 | unsigned long long guid; | ||
| 221 | unsigned max_receive; | ||
| 222 | int link_speed; | ||
| 223 | int config_rom_generation; | ||
| 224 | |||
| 225 | spinlock_t lock; /* Take this lock when handling the lists in | ||
| 226 | * this struct. */ | ||
| 227 | struct fw_node *local_node; | ||
| 228 | struct fw_node *root_node; | ||
| 229 | struct fw_node *irm_node; | ||
| 230 | u8 color; /* must be u8 to match the definition in struct fw_node */ | ||
| 231 | int gap_count; | ||
| 232 | bool beta_repeaters_present; | ||
| 233 | |||
| 234 | int index; | ||
| 235 | |||
| 236 | struct list_head link; | ||
| 237 | |||
| 238 | /* Work struct for BM duties. */ | ||
| 239 | struct delayed_work work; | ||
| 240 | int bm_retries; | ||
| 241 | int bm_generation; | ||
| 242 | |||
| 243 | bool broadcast_channel_allocated; | ||
| 244 | u32 broadcast_channel; | ||
| 245 | u32 topology_map[(CSR_TOPOLOGY_MAP_END - CSR_TOPOLOGY_MAP) / 4]; | ||
| 246 | }; | ||
| 247 | |||
| 248 | static inline struct fw_card *fw_card_get(struct fw_card *card) | ||
| 249 | { | ||
| 250 | kref_get(&card->kref); | ||
| 251 | |||
| 252 | return card; | ||
| 253 | } | ||
| 254 | |||
| 255 | void fw_card_release(struct kref *kref); | ||
| 256 | |||
| 257 | static inline void fw_card_put(struct fw_card *card) | ||
| 258 | { | ||
| 259 | kref_put(&card->kref, fw_card_release); | ||
| 260 | } | ||
| 261 | |||
| 262 | extern void fw_schedule_bm_work(struct fw_card *card, unsigned long delay); | ||
| 263 | |||
| 264 | /* | ||
| 265 | * Check whether new_generation is the immediate successor of old_generation. | ||
| 266 | * Take counter roll-over at 255 (as per to OHCI) into account. | ||
| 267 | */ | ||
| 268 | static inline bool is_next_generation(int new_generation, int old_generation) | ||
| 269 | { | ||
| 270 | return (new_generation & 0xff) == ((old_generation + 1) & 0xff); | ||
| 271 | } | ||
| 272 | |||
| 273 | /* | ||
| 274 | * The iso packet format allows for an immediate header/payload part | ||
| 275 | * stored in 'header' immediately after the packet info plus an | ||
| 276 | * indirect payload part that is pointer to by the 'payload' field. | ||
| 277 | * Applications can use one or the other or both to implement simple | ||
| 278 | * low-bandwidth streaming (e.g. audio) or more advanced | ||
| 279 | * scatter-gather streaming (e.g. assembling video frame automatically). | ||
| 280 | */ | ||
| 281 | |||
| 282 | struct fw_iso_packet { | ||
| 283 | u16 payload_length; /* Length of indirect payload. */ | ||
| 284 | u32 interrupt : 1; /* Generate interrupt on this packet */ | ||
| 285 | u32 skip : 1; /* Set to not send packet at all. */ | ||
| 286 | u32 tag : 2; | ||
| 287 | u32 sy : 4; | ||
| 288 | u32 header_length : 8; /* Length of immediate header. */ | ||
| 289 | u32 header[0]; | ||
| 290 | }; | ||
| 291 | |||
| 292 | #define FW_ISO_CONTEXT_TRANSMIT 0 | ||
| 293 | #define FW_ISO_CONTEXT_RECEIVE 1 | ||
| 294 | |||
| 295 | #define FW_ISO_CONTEXT_MATCH_TAG0 1 | ||
| 296 | #define FW_ISO_CONTEXT_MATCH_TAG1 2 | ||
| 297 | #define FW_ISO_CONTEXT_MATCH_TAG2 4 | ||
| 298 | #define FW_ISO_CONTEXT_MATCH_TAG3 8 | ||
| 299 | #define FW_ISO_CONTEXT_MATCH_ALL_TAGS 15 | ||
| 300 | |||
| 301 | struct fw_iso_context; | ||
| 302 | |||
| 303 | typedef void (*fw_iso_callback_t)(struct fw_iso_context *context, | ||
| 304 | u32 cycle, size_t header_length, | ||
| 305 | void *header, void *data); | ||
| 306 | |||
| 307 | /* | ||
| 308 | * An iso buffer is just a set of pages mapped for DMA in the | ||
| 309 | * specified direction. Since the pages are to be used for DMA, they | ||
| 310 | * are not mapped into the kernel virtual address space. We store the | ||
| 311 | * DMA address in the page private. The helper function | ||
| 312 | * fw_iso_buffer_map() will map the pages into a given vma. | ||
| 313 | */ | ||
| 314 | |||
| 315 | struct fw_iso_buffer { | ||
| 316 | enum dma_data_direction direction; | ||
| 317 | struct page **pages; | ||
| 318 | int page_count; | ||
| 319 | }; | ||
| 320 | |||
| 321 | struct fw_iso_context { | ||
| 322 | struct fw_card *card; | ||
| 323 | int type; | ||
| 324 | int channel; | ||
| 325 | int speed; | ||
| 326 | size_t header_size; | ||
| 327 | fw_iso_callback_t callback; | ||
| 328 | void *callback_data; | ||
| 329 | }; | ||
| 330 | |||
| 331 | int fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card, | ||
| 332 | int page_count, enum dma_data_direction direction); | ||
| 333 | int fw_iso_buffer_map(struct fw_iso_buffer *buffer, struct vm_area_struct *vma); | ||
| 334 | void fw_iso_buffer_destroy(struct fw_iso_buffer *buffer, struct fw_card *card); | ||
| 335 | |||
| 336 | struct fw_iso_context *fw_iso_context_create(struct fw_card *card, | ||
| 337 | int type, int channel, int speed, size_t header_size, | ||
| 338 | fw_iso_callback_t callback, void *callback_data); | ||
| 339 | int fw_iso_context_queue(struct fw_iso_context *ctx, | ||
| 340 | struct fw_iso_packet *packet, | ||
| 341 | struct fw_iso_buffer *buffer, | ||
| 342 | unsigned long payload); | ||
| 343 | int fw_iso_context_start(struct fw_iso_context *ctx, | ||
| 344 | int cycle, int sync, int tags); | ||
| 345 | int fw_iso_context_stop(struct fw_iso_context *ctx); | ||
| 346 | void fw_iso_context_destroy(struct fw_iso_context *ctx); | ||
| 347 | |||
| 348 | void fw_iso_resource_manage(struct fw_card *card, int generation, | ||
| 349 | u64 channels_mask, int *channel, int *bandwidth, bool allocate); | ||
| 350 | |||
| 351 | struct fw_card_driver { | ||
| 352 | /* | ||
| 353 | * Enable the given card with the given initial config rom. | ||
| 354 | * This function is expected to activate the card, and either | ||
| 355 | * enable the PHY or set the link_on bit and initiate a bus | ||
| 356 | * reset. | ||
| 357 | */ | ||
| 358 | int (*enable)(struct fw_card *card, u32 *config_rom, size_t length); | ||
| 359 | |||
| 360 | int (*update_phy_reg)(struct fw_card *card, int address, | ||
| 361 | int clear_bits, int set_bits); | ||
| 362 | |||
| 363 | /* | ||
| 364 | * Update the config rom for an enabled card. This function | ||
| 365 | * should change the config rom that is presented on the bus | ||
| 366 | * an initiate a bus reset. | ||
| 367 | */ | ||
| 368 | int (*set_config_rom)(struct fw_card *card, | ||
| 369 | u32 *config_rom, size_t length); | ||
| 370 | |||
| 371 | void (*send_request)(struct fw_card *card, struct fw_packet *packet); | ||
| 372 | void (*send_response)(struct fw_card *card, struct fw_packet *packet); | ||
| 373 | /* Calling cancel is valid once a packet has been submitted. */ | ||
| 374 | int (*cancel_packet)(struct fw_card *card, struct fw_packet *packet); | ||
| 375 | |||
| 376 | /* | ||
| 377 | * Allow the specified node ID to do direct DMA out and in of | ||
| 378 | * host memory. The card will disable this for all node when | ||
| 379 | * a bus reset happens, so driver need to reenable this after | ||
| 380 | * bus reset. Returns 0 on success, -ENODEV if the card | ||
| 381 | * doesn't support this, -ESTALE if the generation doesn't | ||
| 382 | * match. | ||
| 383 | */ | ||
| 384 | int (*enable_phys_dma)(struct fw_card *card, | ||
| 385 | int node_id, int generation); | ||
| 386 | |||
| 387 | u64 (*get_bus_time)(struct fw_card *card); | ||
| 388 | |||
| 389 | struct fw_iso_context * | ||
| 390 | (*allocate_iso_context)(struct fw_card *card, | ||
| 391 | int type, int channel, size_t header_size); | ||
| 392 | void (*free_iso_context)(struct fw_iso_context *ctx); | ||
| 393 | |||
| 394 | int (*start_iso)(struct fw_iso_context *ctx, | ||
| 395 | s32 cycle, u32 sync, u32 tags); | ||
| 396 | |||
| 397 | int (*queue_iso)(struct fw_iso_context *ctx, | ||
| 398 | struct fw_iso_packet *packet, | ||
| 399 | struct fw_iso_buffer *buffer, | ||
| 400 | unsigned long payload); | ||
| 401 | |||
| 402 | int (*stop_iso)(struct fw_iso_context *ctx); | ||
| 403 | }; | ||
| 404 | |||
| 405 | int fw_core_initiate_bus_reset(struct fw_card *card, int short_reset); | ||
| 406 | |||
| 407 | void fw_send_request(struct fw_card *card, struct fw_transaction *t, | ||
| 408 | int tcode, int destination_id, int generation, int speed, | ||
| 409 | unsigned long long offset, void *payload, size_t length, | ||
| 410 | fw_transaction_callback_t callback, void *callback_data); | ||
| 411 | int fw_cancel_transaction(struct fw_card *card, | ||
| 412 | struct fw_transaction *transaction); | ||
| 413 | void fw_flush_transactions(struct fw_card *card); | ||
| 414 | int fw_run_transaction(struct fw_card *card, int tcode, int destination_id, | ||
| 415 | int generation, int speed, unsigned long long offset, | ||
| 416 | void *payload, size_t length); | ||
| 417 | void fw_send_phy_config(struct fw_card *card, | ||
| 418 | int node_id, int generation, int gap_count); | ||
| 419 | |||
| 420 | static inline int fw_stream_packet_destination_id(int tag, int channel, int sy) | ||
| 421 | { | ||
| 422 | return tag << 14 | channel << 8 | sy; | ||
| 423 | } | ||
| 424 | |||
| 425 | /* | ||
| 426 | * Called by the topology code to inform the device code of node | ||
| 427 | * activity; found, lost, or updated nodes. | ||
| 428 | */ | ||
| 429 | void fw_node_event(struct fw_card *card, struct fw_node *node, int event); | ||
| 430 | |||
| 431 | /* API used by card level drivers */ | ||
| 432 | |||
| 433 | void fw_card_initialize(struct fw_card *card, | ||
| 434 | const struct fw_card_driver *driver, struct device *device); | ||
| 435 | int fw_card_add(struct fw_card *card, | ||
| 436 | u32 max_receive, u32 link_speed, u64 guid); | ||
| 437 | void fw_core_remove_card(struct fw_card *card); | ||
| 438 | void fw_core_handle_bus_reset(struct fw_card *card, int node_id, | ||
| 439 | int generation, int self_id_count, u32 *self_ids); | ||
| 440 | void fw_core_handle_request(struct fw_card *card, struct fw_packet *request); | ||
| 441 | void fw_core_handle_response(struct fw_card *card, struct fw_packet *packet); | ||
| 442 | |||
| 443 | extern int fw_irm_set_broadcast_channel_register(struct device *dev, | ||
| 444 | void *data); | ||
| 445 | |||
| 446 | #endif /* __fw_transaction_h */ | ||
diff --git a/drivers/firewire/fw-ohci.h b/drivers/firewire/ohci.h index a2fbb6240ca7..ba492d85c516 100644 --- a/drivers/firewire/fw-ohci.h +++ b/drivers/firewire/ohci.h | |||
| @@ -1,5 +1,5 @@ | |||
| 1 | #ifndef __fw_ohci_h | 1 | #ifndef _FIREWIRE_OHCI_H |
| 2 | #define __fw_ohci_h | 2 | #define _FIREWIRE_OHCI_H |
| 3 | 3 | ||
| 4 | /* OHCI register map */ | 4 | /* OHCI register map */ |
| 5 | 5 | ||
| @@ -154,4 +154,4 @@ | |||
| 154 | 154 | ||
| 155 | #define OHCI1394_phy_tcode 0xe | 155 | #define OHCI1394_phy_tcode 0xe |
| 156 | 156 | ||
| 157 | #endif /* __fw_ohci_h */ | 157 | #endif /* _FIREWIRE_OHCI_H */ |
