Kristian Høgsberg | 19a15b9 | 2006-12-19 19:58:31 -0500 | [diff] [blame] | 1 | /* -*- c-basic-offset: 8 -*- |
| 2 | * |
| 3 | * fw-device.h - Device probing and sysfs code. |
| 4 | * |
| 5 | * Copyright (C) 2005-2006 Kristian Hoegsberg <krh@bitplanet.net> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software Foundation, |
| 19 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 20 | */ |
| 21 | |
| 22 | #ifndef __fw_device_h |
| 23 | #define __fw_device_h |
| 24 | |
| 25 | #include <linux/fs.h> |
| 26 | #include <linux/cdev.h> |
Stefan Richter | 641f879 | 2007-01-27 10:34:55 +0100 | [diff] [blame^] | 27 | #include <asm/atomic.h> |
Kristian Høgsberg | 19a15b9 | 2006-12-19 19:58:31 -0500 | [diff] [blame] | 28 | |
| 29 | enum fw_device_state { |
| 30 | FW_DEVICE_INITIALIZING, |
| 31 | FW_DEVICE_RUNNING, |
Stefan Richter | 5af4e5e | 2007-01-21 20:45:32 +0100 | [diff] [blame] | 32 | FW_DEVICE_SHUTDOWN, |
Kristian Høgsberg | 19a15b9 | 2006-12-19 19:58:31 -0500 | [diff] [blame] | 33 | }; |
| 34 | |
| 35 | struct fw_device { |
Stefan Richter | 641f879 | 2007-01-27 10:34:55 +0100 | [diff] [blame^] | 36 | atomic_t state; |
Kristian Høgsberg | 19a15b9 | 2006-12-19 19:58:31 -0500 | [diff] [blame] | 37 | struct fw_node *node; |
| 38 | int node_id; |
| 39 | int generation; |
| 40 | struct fw_card *card; |
| 41 | struct device device; |
| 42 | struct cdev cdev; |
| 43 | __be32 *config_rom; |
| 44 | size_t config_rom_length; |
| 45 | int config_rom_retries; |
| 46 | struct delayed_work work; |
| 47 | }; |
| 48 | |
| 49 | static inline struct fw_device * |
| 50 | fw_device(struct device *dev) |
| 51 | { |
Stefan Richter | 5e20c28 | 2007-01-21 20:44:09 +0100 | [diff] [blame] | 52 | return container_of(dev, struct fw_device, device); |
Kristian Høgsberg | 19a15b9 | 2006-12-19 19:58:31 -0500 | [diff] [blame] | 53 | } |
| 54 | |
| 55 | struct fw_device *fw_device_get(struct fw_device *device); |
| 56 | void fw_device_put(struct fw_device *device); |
| 57 | int fw_device_enable_phys_dma(struct fw_device *device); |
| 58 | |
| 59 | struct fw_unit { |
| 60 | struct device device; |
| 61 | u32 *directory; |
| 62 | }; |
| 63 | |
| 64 | static inline struct fw_unit * |
| 65 | fw_unit(struct device *dev) |
| 66 | { |
Stefan Richter | 5e20c28 | 2007-01-21 20:44:09 +0100 | [diff] [blame] | 67 | return container_of(dev, struct fw_unit, device); |
Kristian Høgsberg | 19a15b9 | 2006-12-19 19:58:31 -0500 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | #define CSR_OFFSET 0x40 |
| 71 | #define CSR_LEAF 0x80 |
| 72 | #define CSR_DIRECTORY 0xc0 |
| 73 | |
| 74 | #define CSR_DESCRIPTOR 0x01 |
| 75 | #define CSR_VENDOR 0x03 |
| 76 | #define CSR_HARDWARE_VERSION 0x04 |
| 77 | #define CSR_NODE_CAPABILITIES 0x0c |
| 78 | #define CSR_UNIT 0x11 |
| 79 | #define CSR_SPECIFIER_ID 0x12 |
| 80 | #define CSR_VERSION 0x13 |
| 81 | #define CSR_DEPENDENT_INFO 0x14 |
| 82 | #define CSR_MODEL 0x17 |
| 83 | #define CSR_INSTANCE 0x18 |
| 84 | |
| 85 | #define SBP2_COMMAND_SET_SPECIFIER 0x38 |
| 86 | #define SBP2_COMMAND_SET 0x39 |
| 87 | #define SBP2_COMMAND_SET_REVISION 0x3b |
| 88 | #define SBP2_FIRMWARE_REVISION 0x3c |
| 89 | |
| 90 | struct fw_csr_iterator { |
| 91 | u32 *p; |
| 92 | u32 *end; |
| 93 | }; |
| 94 | |
| 95 | void fw_csr_iterator_init(struct fw_csr_iterator *ci, u32 *p); |
| 96 | int fw_csr_iterator_next(struct fw_csr_iterator *ci, |
| 97 | int *key, int *value); |
| 98 | |
| 99 | #define FW_MATCH_VENDOR 0x0001 |
| 100 | #define FW_MATCH_MODEL 0x0002 |
| 101 | #define FW_MATCH_SPECIFIER_ID 0x0004 |
| 102 | #define FW_MATCH_VERSION 0x0008 |
| 103 | |
| 104 | struct fw_device_id { |
| 105 | u32 match_flags; |
| 106 | u32 vendor; |
| 107 | u32 model; |
| 108 | u32 specifier_id; |
| 109 | u32 version; |
| 110 | void *driver_data; |
| 111 | }; |
| 112 | |
| 113 | struct fw_driver { |
| 114 | struct device_driver driver; |
| 115 | /* Called when the parent device sits through a bus reset. */ |
| 116 | void (*update) (struct fw_unit *unit); |
Stefan Richter | 21ebcd1 | 2007-01-14 15:29:07 +0100 | [diff] [blame] | 117 | const struct fw_device_id *id_table; |
Kristian Høgsberg | 19a15b9 | 2006-12-19 19:58:31 -0500 | [diff] [blame] | 118 | }; |
| 119 | |
| 120 | static inline struct fw_driver * |
| 121 | fw_driver(struct device_driver *drv) |
| 122 | { |
Stefan Richter | 5e20c28 | 2007-01-21 20:44:09 +0100 | [diff] [blame] | 123 | return container_of(drv, struct fw_driver, driver); |
Kristian Høgsberg | 19a15b9 | 2006-12-19 19:58:31 -0500 | [diff] [blame] | 124 | } |
| 125 | |
Stefan Richter | 21ebcd1 | 2007-01-14 15:29:07 +0100 | [diff] [blame] | 126 | extern const struct file_operations fw_device_ops; |
Kristian Høgsberg | 19a15b9 | 2006-12-19 19:58:31 -0500 | [diff] [blame] | 127 | |
Stefan Richter | 687198b | 2006-12-28 16:20:00 +0100 | [diff] [blame] | 128 | #endif /* __fw_device_h */ |