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 */ |