Commit | Line | Data |
---|---|---|
31ef9134 | 1 | /* |
8832c5a7 | 2 | * oxfw.c - a part of driver for OXFW970/971 based devices |
31ef9134 CL |
3 | * |
4 | * Copyright (c) Clemens Ladisch <clemens@ladisch.de> | |
5 | * Licensed under the terms of the GNU General Public License, version 2. | |
6 | */ | |
7 | ||
e2786ca6 | 8 | #include "oxfw.h" |
31ef9134 CL |
9 | |
10 | #define OXFORD_FIRMWARE_ID_ADDRESS (CSR_REGISTER_BASE + 0x50000) | |
11 | /* 0x970?vvvv or 0x971?vvvv, where vvvv = firmware version */ | |
12 | ||
13 | #define OXFORD_HARDWARE_ID_ADDRESS (CSR_REGISTER_BASE + 0x90020) | |
14 | #define OXFORD_HARDWARE_ID_OXFW970 0x39443841 | |
15 | #define OXFORD_HARDWARE_ID_OXFW971 0x39373100 | |
16 | ||
17 | #define VENDOR_GRIFFIN 0x001292 | |
18 | #define VENDOR_LACIE 0x00d04b | |
19 | ||
20 | #define SPECIFIER_1394TA 0x00a02d | |
21 | #define VERSION_AVC 0x010001 | |
22 | ||
8832c5a7 | 23 | MODULE_DESCRIPTION("Oxford Semiconductor FW970/971 driver"); |
31ef9134 CL |
24 | MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>"); |
25 | MODULE_LICENSE("GPL v2"); | |
8832c5a7 | 26 | MODULE_ALIAS("snd-firewire-speakers"); |
31ef9134 | 27 | |
8832c5a7 | 28 | static u32 oxfw_read_firmware_version(struct fw_unit *unit) |
31ef9134 CL |
29 | { |
30 | __be32 data; | |
31 | int err; | |
32 | ||
33 | err = snd_fw_transaction(unit, TCODE_READ_QUADLET_REQUEST, | |
1b70485f | 34 | OXFORD_FIRMWARE_ID_ADDRESS, &data, 4, 0); |
31ef9134 CL |
35 | return err >= 0 ? be32_to_cpu(data) : 0; |
36 | } | |
37 | ||
8832c5a7 | 38 | static void oxfw_card_free(struct snd_card *card) |
31ef9134 | 39 | { |
8832c5a7 | 40 | struct snd_oxfw *oxfw = card->private_data; |
31ef9134 | 41 | |
8832c5a7 | 42 | mutex_destroy(&oxfw->mutex); |
31ef9134 CL |
43 | } |
44 | ||
8832c5a7 | 45 | static int oxfw_probe(struct fw_unit *unit, |
94a87157 | 46 | const struct ieee1394_device_id *id) |
31ef9134 | 47 | { |
31ef9134 CL |
48 | struct fw_device *fw_dev = fw_parent_device(unit); |
49 | struct snd_card *card; | |
8832c5a7 | 50 | struct snd_oxfw *oxfw; |
31ef9134 CL |
51 | u32 firmware; |
52 | int err; | |
53 | ||
06b45f00 | 54 | err = snd_card_new(&unit->device, -1, NULL, THIS_MODULE, |
8832c5a7 | 55 | sizeof(*oxfw), &card); |
31ef9134 CL |
56 | if (err < 0) |
57 | return err; | |
31ef9134 | 58 | |
e2786ca6 | 59 | card->private_free = oxfw_card_free; |
8832c5a7 TS |
60 | oxfw = card->private_data; |
61 | oxfw->card = card; | |
62 | mutex_init(&oxfw->mutex); | |
e2786ca6 | 63 | oxfw->unit = unit; |
8832c5a7 | 64 | oxfw->device_info = (const struct device_info *)id->driver_data; |
31ef9134 | 65 | |
8832c5a7 TS |
66 | strcpy(card->driver, oxfw->device_info->driver_name); |
67 | strcpy(card->shortname, oxfw->device_info->short_name); | |
68 | firmware = oxfw_read_firmware_version(unit); | |
31ef9134 CL |
69 | snprintf(card->longname, sizeof(card->longname), |
70 | "%s (OXFW%x %04x), GUID %08x%08x at %s, S%d", | |
8832c5a7 | 71 | oxfw->device_info->long_name, |
31ef9134 CL |
72 | firmware >> 20, firmware & 0xffff, |
73 | fw_dev->config_rom[3], fw_dev->config_rom[4], | |
74 | dev_name(&unit->device), 100 << fw_dev->max_speed); | |
8832c5a7 | 75 | strcpy(card->mixername, "OXFW"); |
31ef9134 | 76 | |
3713d93a | 77 | err = snd_oxfw_create_pcm(oxfw); |
31ef9134 CL |
78 | if (err < 0) |
79 | goto error; | |
80 | ||
31514bfb | 81 | err = snd_oxfw_create_mixer(oxfw); |
31ef9134 CL |
82 | if (err < 0) |
83 | goto error; | |
84 | ||
e2786ca6 | 85 | err = snd_oxfw_stream_init_simplex(oxfw); |
31ef9134 CL |
86 | if (err < 0) |
87 | goto error; | |
88 | ||
e2786ca6 TS |
89 | err = snd_card_register(card); |
90 | if (err < 0) { | |
91 | snd_oxfw_stream_destroy_simplex(oxfw); | |
92 | goto error; | |
93 | } | |
8832c5a7 | 94 | dev_set_drvdata(&unit->device, oxfw); |
31ef9134 CL |
95 | |
96 | return 0; | |
31ef9134 CL |
97 | error: |
98 | snd_card_free(card); | |
99 | return err; | |
100 | } | |
101 | ||
8832c5a7 | 102 | static void oxfw_bus_reset(struct fw_unit *unit) |
31ef9134 | 103 | { |
8832c5a7 | 104 | struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device); |
31ef9134 | 105 | |
8832c5a7 | 106 | fcp_bus_reset(oxfw->unit); |
31ef9134 | 107 | |
e2786ca6 TS |
108 | mutex_lock(&oxfw->mutex); |
109 | snd_oxfw_stream_update_simplex(oxfw); | |
110 | mutex_unlock(&oxfw->mutex); | |
31ef9134 CL |
111 | } |
112 | ||
8832c5a7 | 113 | static void oxfw_remove(struct fw_unit *unit) |
94a87157 | 114 | { |
8832c5a7 | 115 | struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device); |
94a87157 | 116 | |
8832c5a7 | 117 | snd_card_disconnect(oxfw->card); |
94a87157 | 118 | |
e2786ca6 | 119 | snd_oxfw_stream_destroy_simplex(oxfw); |
94a87157 | 120 | |
8832c5a7 | 121 | snd_card_free_when_closed(oxfw->card); |
94a87157 SR |
122 | } |
123 | ||
124 | static const struct device_info griffin_firewave = { | |
125 | .driver_name = "FireWave", | |
126 | .short_name = "FireWave", | |
127 | .long_name = "Griffin FireWave Surround", | |
128 | .pcm_constraints = firewave_constraints, | |
129 | .mixer_channels = 6, | |
130 | .mute_fb_id = 0x01, | |
131 | .volume_fb_id = 0x02, | |
132 | }; | |
133 | ||
134 | static const struct device_info lacie_speakers = { | |
135 | .driver_name = "FWSpeakers", | |
136 | .short_name = "FireWire Speakers", | |
137 | .long_name = "LaCie FireWire Speakers", | |
138 | .pcm_constraints = lacie_speakers_constraints, | |
139 | .mixer_channels = 1, | |
140 | .mute_fb_id = 0x01, | |
141 | .volume_fb_id = 0x01, | |
142 | }; | |
143 | ||
8832c5a7 | 144 | static const struct ieee1394_device_id oxfw_id_table[] = { |
31ef9134 CL |
145 | { |
146 | .match_flags = IEEE1394_MATCH_VENDOR_ID | | |
147 | IEEE1394_MATCH_MODEL_ID | | |
148 | IEEE1394_MATCH_SPECIFIER_ID | | |
149 | IEEE1394_MATCH_VERSION, | |
150 | .vendor_id = VENDOR_GRIFFIN, | |
151 | .model_id = 0x00f970, | |
152 | .specifier_id = SPECIFIER_1394TA, | |
153 | .version = VERSION_AVC, | |
94a87157 | 154 | .driver_data = (kernel_ulong_t)&griffin_firewave, |
31ef9134 CL |
155 | }, |
156 | { | |
157 | .match_flags = IEEE1394_MATCH_VENDOR_ID | | |
158 | IEEE1394_MATCH_MODEL_ID | | |
159 | IEEE1394_MATCH_SPECIFIER_ID | | |
160 | IEEE1394_MATCH_VERSION, | |
161 | .vendor_id = VENDOR_LACIE, | |
162 | .model_id = 0x00f970, | |
163 | .specifier_id = SPECIFIER_1394TA, | |
164 | .version = VERSION_AVC, | |
94a87157 | 165 | .driver_data = (kernel_ulong_t)&lacie_speakers, |
31ef9134 CL |
166 | }, |
167 | { } | |
168 | }; | |
8832c5a7 | 169 | MODULE_DEVICE_TABLE(ieee1394, oxfw_id_table); |
31ef9134 | 170 | |
8832c5a7 | 171 | static struct fw_driver oxfw_driver = { |
31ef9134 CL |
172 | .driver = { |
173 | .owner = THIS_MODULE, | |
174 | .name = KBUILD_MODNAME, | |
175 | .bus = &fw_bus_type, | |
31ef9134 | 176 | }, |
8832c5a7 TS |
177 | .probe = oxfw_probe, |
178 | .update = oxfw_bus_reset, | |
179 | .remove = oxfw_remove, | |
180 | .id_table = oxfw_id_table, | |
31ef9134 CL |
181 | }; |
182 | ||
8832c5a7 | 183 | static int __init snd_oxfw_init(void) |
31ef9134 | 184 | { |
8832c5a7 | 185 | return driver_register(&oxfw_driver.driver); |
31ef9134 CL |
186 | } |
187 | ||
8832c5a7 | 188 | static void __exit snd_oxfw_exit(void) |
31ef9134 | 189 | { |
8832c5a7 | 190 | driver_unregister(&oxfw_driver.driver); |
31ef9134 CL |
191 | } |
192 | ||
8832c5a7 TS |
193 | module_init(snd_oxfw_init); |
194 | module_exit(snd_oxfw_exit); |