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authorTorsten Schenk <torsten.schenk@zoho.com>2011-01-24 12:45:30 -0500
committerTakashi Iwai <tiwai@suse.de>2011-01-24 12:45:30 -0500
commitc6d43ba816d1cf1d125bfbfc938f2a28a87facf9 (patch)
tree6f9c73ddae1efbda97869cc07dac62dc52b75e8f /sound/usb
parent49c6ad430d74fb7995990be0f66165e4b94a6bc5 (diff)
ALSA: usb/6fire - Driver for TerraTec DMX 6Fire USB
What is working: Everything except SPDIF - Hardware Master volume - PCM 44-192kHz@24 bits, 6 channels out, 4 channels in (analog) - MIDI in/out - firmware loading after cold start - phono/line switching Signed-off-by: Torsten Schenk <torsten.schenk@zoho.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb')
-rw-r--r--sound/usb/6fire/Makefile3
-rw-r--r--sound/usb/6fire/chip.c232
-rw-r--r--sound/usb/6fire/chip.h32
-rw-r--r--sound/usb/6fire/comm.c176
-rw-r--r--sound/usb/6fire/comm.h44
-rw-r--r--sound/usb/6fire/common.h30
-rw-r--r--sound/usb/6fire/control.c275
-rw-r--r--sound/usb/6fire/control.h37
-rw-r--r--sound/usb/6fire/firmware.c426
-rw-r--r--sound/usb/6fire/firmware.h27
-rw-r--r--sound/usb/6fire/midi.c203
-rw-r--r--sound/usb/6fire/midi.h46
-rw-r--r--sound/usb/6fire/pcm.c689
-rw-r--r--sound/usb/6fire/pcm.h76
-rw-r--r--sound/usb/Kconfig16
-rw-r--r--sound/usb/Makefile2
16 files changed, 2313 insertions, 1 deletions
diff --git a/sound/usb/6fire/Makefile b/sound/usb/6fire/Makefile
new file mode 100644
index 000000000000..dfce6ec53513
--- /dev/null
+++ b/sound/usb/6fire/Makefile
@@ -0,0 +1,3 @@
1snd-usb-6fire-objs += chip.o comm.o midi.o control.o firmware.o pcm.o
2obj-$(CONFIG_SND_USB_6FIRE) += snd-usb-6fire.o
3
diff --git a/sound/usb/6fire/chip.c b/sound/usb/6fire/chip.c
new file mode 100644
index 000000000000..c7dca7b0b9fe
--- /dev/null
+++ b/sound/usb/6fire/chip.c
@@ -0,0 +1,232 @@
1/*
2 * Linux driver for TerraTec DMX 6Fire USB
3 *
4 * Main routines and module definitions.
5 *
6 * Author: Torsten Schenk <torsten.schenk@zoho.com>
7 * Created: Jan 01, 2011
8 * Version: 0.3.0
9 * Copyright: (C) Torsten Schenk
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 */
16
17#include "chip.h"
18#include "firmware.h"
19#include "pcm.h"
20#include "control.h"
21#include "comm.h"
22#include "midi.h"
23
24#include <linux/moduleparam.h>
25#include <linux/interrupt.h>
26#include <linux/module.h>
27#include <linux/init.h>
28#include <linux/gfp.h>
29#include <sound/initval.h>
30
31MODULE_AUTHOR("Torsten Schenk <torsten.schenk@zoho.com>");
32MODULE_DESCRIPTION("TerraTec DMX 6Fire USB audio driver, version 0.3.0");
33MODULE_LICENSE("GPL v2");
34MODULE_SUPPORTED_DEVICE("{{TerraTec, DMX 6Fire USB}}");
35
36static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */
37static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for card */
38static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable card */
39static struct sfire_chip *chips[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
40static struct usb_device *devices[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
41
42module_param_array(index, int, NULL, 0444);
43MODULE_PARM_DESC(index, "Index value for the 6fire sound device");
44module_param_array(id, charp, NULL, 0444);
45MODULE_PARM_DESC(id, "ID string for the 6fire sound device.");
46module_param_array(enable, bool, NULL, 0444);
47MODULE_PARM_DESC(enable, "Enable the 6fire sound device.");
48
49static DEFINE_MUTEX(register_mutex);
50
51static void usb6fire_chip_abort(struct sfire_chip *chip)
52{
53 if (chip) {
54 if (chip->pcm)
55 usb6fire_pcm_abort(chip);
56 if (chip->midi)
57 usb6fire_midi_abort(chip);
58 if (chip->comm)
59 usb6fire_comm_abort(chip);
60 if (chip->control)
61 usb6fire_control_abort(chip);
62 if (chip->card) {
63 snd_card_disconnect(chip->card);
64 snd_card_free_when_closed(chip->card);
65 chip->card = NULL;
66 }
67 }
68}
69
70static void usb6fire_chip_destroy(struct sfire_chip *chip)
71{
72 if (chip) {
73 if (chip->pcm)
74 usb6fire_pcm_destroy(chip);
75 if (chip->midi)
76 usb6fire_midi_destroy(chip);
77 if (chip->comm)
78 usb6fire_comm_destroy(chip);
79 if (chip->control)
80 usb6fire_control_destroy(chip);
81 if (chip->card)
82 snd_card_free(chip->card);
83 }
84}
85
86static int __devinit usb6fire_chip_probe(struct usb_interface *intf,
87 const struct usb_device_id *usb_id)
88{
89 int ret;
90 int i;
91 struct sfire_chip *chip = NULL;
92 struct usb_device *device = interface_to_usbdev(intf);
93 int regidx = -1; /* index in module parameter array */
94 struct snd_card *card = NULL;
95
96 /* look if we already serve this card and return if so */
97 mutex_lock(&register_mutex);
98 for (i = 0; i < SNDRV_CARDS; i++) {
99 if (devices[i] == device) {
100 if (chips[i])
101 chips[i]->intf_count++;
102 usb_set_intfdata(intf, chips[i]);
103 mutex_unlock(&register_mutex);
104 return 0;
105 } else if (regidx < 0)
106 regidx = i;
107 }
108 if (regidx < 0) {
109 mutex_unlock(&register_mutex);
110 snd_printk(KERN_ERR PREFIX "too many cards registered.\n");
111 return -ENODEV;
112 }
113 devices[regidx] = device;
114 mutex_unlock(&register_mutex);
115
116 /* check, if firmware is present on device, upload it if not */
117 ret = usb6fire_fw_init(intf);
118 if (ret < 0)
119 return ret;
120 else if (ret == FW_NOT_READY) /* firmware update performed */
121 return 0;
122
123 /* if we are here, card can be registered in alsa. */
124 if (usb_set_interface(device, 0, 0) != 0) {
125 snd_printk(KERN_ERR PREFIX "can't set first interface.\n");
126 return -EIO;
127 }
128 ret = snd_card_create(index[regidx], id[regidx], THIS_MODULE,
129 sizeof(struct sfire_chip), &card);
130 if (ret < 0) {
131 snd_printk(KERN_ERR PREFIX "cannot create alsa card.\n");
132 return ret;
133 }
134 strcpy(card->driver, "6FireUSB");
135 strcpy(card->shortname, "TerraTec DMX6FireUSB");
136 sprintf(card->longname, "%s at %d:%d", card->shortname,
137 device->bus->busnum, device->devnum);
138 snd_card_set_dev(card, &intf->dev);
139
140 chip = card->private_data;
141 chips[regidx] = chip;
142 chip->dev = device;
143 chip->regidx = regidx;
144 chip->intf_count = 1;
145 chip->card = card;
146
147 ret = usb6fire_comm_init(chip);
148 if (ret < 0) {
149 usb6fire_chip_destroy(chip);
150 return ret;
151 }
152
153 ret = usb6fire_midi_init(chip);
154 if (ret < 0) {
155 usb6fire_chip_destroy(chip);
156 return ret;
157 }
158
159 ret = usb6fire_pcm_init(chip);
160 if (ret < 0) {
161 usb6fire_chip_destroy(chip);
162 return ret;
163 }
164
165 ret = usb6fire_control_init(chip);
166 if (ret < 0) {
167 usb6fire_chip_destroy(chip);
168 return ret;
169 }
170
171 ret = snd_card_register(card);
172 if (ret < 0) {
173 snd_printk(KERN_ERR PREFIX "cannot register card.");
174 usb6fire_chip_destroy(chip);
175 return ret;
176 }
177 usb_set_intfdata(intf, chip);
178 return 0;
179}
180
181static void usb6fire_chip_disconnect(struct usb_interface *intf)
182{
183 struct sfire_chip *chip;
184 struct snd_card *card;
185
186 chip = usb_get_intfdata(intf);
187 if (chip) { /* if !chip, fw upload has been performed */
188 card = chip->card;
189 chip->intf_count--;
190 if (!chip->intf_count) {
191 mutex_lock(&register_mutex);
192 devices[chip->regidx] = NULL;
193 chips[chip->regidx] = NULL;
194 mutex_unlock(&register_mutex);
195
196 chip->shutdown = true;
197 usb6fire_chip_abort(chip);
198 usb6fire_chip_destroy(chip);
199 }
200 }
201}
202
203static struct usb_device_id device_table[] = {
204 {
205 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
206 .idVendor = 0x0ccd,
207 .idProduct = 0x0080
208 },
209 {}
210};
211
212MODULE_DEVICE_TABLE(usb, device_table);
213
214static struct usb_driver driver = {
215 .name = "snd-usb-6fire",
216 .probe = usb6fire_chip_probe,
217 .disconnect = usb6fire_chip_disconnect,
218 .id_table = device_table,
219};
220
221static int __init usb6fire_chip_init(void)
222{
223 return usb_register(&driver);
224}
225
226static void __exit usb6fire_chip_cleanup(void)
227{
228 usb_deregister(&driver);
229}
230
231module_init(usb6fire_chip_init);
232module_exit(usb6fire_chip_cleanup);
diff --git a/sound/usb/6fire/chip.h b/sound/usb/6fire/chip.h
new file mode 100644
index 000000000000..d11e5cb520f0
--- /dev/null
+++ b/sound/usb/6fire/chip.h
@@ -0,0 +1,32 @@
1/*
2 * Linux driver for TerraTec DMX 6Fire USB
3 *
4 * Author: Torsten Schenk <torsten.schenk@zoho.com>
5 * Created: Jan 01, 2011
6 * Version: 0.3.0
7 * Copyright: (C) Torsten Schenk
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 */
14#ifndef USB6FIRE_CHIP_H
15#define USB6FIRE_CHIP_H
16
17#include "common.h"
18
19struct sfire_chip {
20 struct usb_device *dev;
21 struct snd_card *card;
22 int intf_count; /* number of registered interfaces */
23 int regidx; /* index in module parameter arrays */
24 bool shutdown;
25
26 struct midi_runtime *midi;
27 struct pcm_runtime *pcm;
28 struct control_runtime *control;
29 struct comm_runtime *comm;
30};
31#endif /* USB6FIRE_CHIP_H */
32
diff --git a/sound/usb/6fire/comm.c b/sound/usb/6fire/comm.c
new file mode 100644
index 000000000000..c994daa57af2
--- /dev/null
+++ b/sound/usb/6fire/comm.c
@@ -0,0 +1,176 @@
1/*
2 * Linux driver for TerraTec DMX 6Fire USB
3 *
4 * Device communications
5 *
6 * Author: Torsten Schenk <torsten.schenk@zoho.com>
7 * Created: Jan 01, 2011
8 * Version: 0.3.0
9 * Copyright: (C) Torsten Schenk
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 */
16
17#include "comm.h"
18#include "chip.h"
19#include "midi.h"
20
21enum {
22 COMM_EP = 1,
23 COMM_FPGA_EP = 2
24};
25
26static void usb6fire_comm_init_urb(struct comm_runtime *rt, struct urb *urb,
27 u8 *buffer, void *context, void(*handler)(struct urb *urb))
28{
29 usb_init_urb(urb);
30 urb->transfer_buffer = buffer;
31 urb->pipe = usb_sndintpipe(rt->chip->dev, COMM_EP);
32 urb->complete = handler;
33 urb->context = context;
34 urb->interval = 1;
35 urb->dev = rt->chip->dev;
36}
37
38static void usb6fire_comm_receiver_handler(struct urb *urb)
39{
40 struct comm_runtime *rt = urb->context;
41 struct midi_runtime *midi_rt = rt->chip->midi;
42
43 if (!urb->status) {
44 if (rt->receiver_buffer[0] == 0x10) /* midi in event */
45 if (midi_rt)
46 midi_rt->in_received(midi_rt,
47 rt->receiver_buffer + 2,
48 rt->receiver_buffer[1]);
49 }
50
51 if (!rt->chip->shutdown) {
52 urb->status = 0;
53 urb->actual_length = 0;
54 if (usb_submit_urb(urb, GFP_ATOMIC) < 0)
55 snd_printk(KERN_WARNING PREFIX
56 "comm data receiver aborted.\n");
57 }
58}
59
60static void usb6fire_comm_init_buffer(u8 *buffer, u8 id, u8 request,
61 u8 reg, u8 vl, u8 vh)
62{
63 buffer[0] = 0x01;
64 buffer[2] = request;
65 buffer[3] = id;
66 switch (request) {
67 case 0x02:
68 buffer[1] = 0x05; /* length (starting at buffer[2]) */
69 buffer[4] = reg;
70 buffer[5] = vl;
71 buffer[6] = vh;
72 break;
73
74 case 0x12:
75 buffer[1] = 0x0b; /* length (starting at buffer[2]) */
76 buffer[4] = 0x00;
77 buffer[5] = 0x18;
78 buffer[6] = 0x05;
79 buffer[7] = 0x00;
80 buffer[8] = 0x01;
81 buffer[9] = 0x00;
82 buffer[10] = 0x9e;
83 buffer[11] = reg;
84 buffer[12] = vl;
85 break;
86
87 case 0x20:
88 case 0x21:
89 case 0x22:
90 buffer[1] = 0x04;
91 buffer[4] = reg;
92 buffer[5] = vl;
93 break;
94 }
95}
96
97static int usb6fire_comm_send_buffer(u8 *buffer, struct usb_device *dev)
98{
99 int ret;
100 int actual_len;
101
102 ret = usb_interrupt_msg(dev, usb_sndintpipe(dev, COMM_EP),
103 buffer, buffer[1] + 2, &actual_len, HZ);
104 if (ret < 0)
105 return ret;
106 else if (actual_len != buffer[1] + 2)
107 return -EIO;
108 return 0;
109}
110
111static int usb6fire_comm_write8(struct comm_runtime *rt, u8 request,
112 u8 reg, u8 value)
113{
114 u8 buffer[13]; /* 13: maximum length of message */
115
116 usb6fire_comm_init_buffer(buffer, 0x00, request, reg, value, 0x00);
117 return usb6fire_comm_send_buffer(buffer, rt->chip->dev);
118}
119
120static int usb6fire_comm_write16(struct comm_runtime *rt, u8 request,
121 u8 reg, u8 vl, u8 vh)
122{
123 u8 buffer[13]; /* 13: maximum length of message */
124
125 usb6fire_comm_init_buffer(buffer, 0x00, request, reg, vl, vh);
126 return usb6fire_comm_send_buffer(buffer, rt->chip->dev);
127}
128
129int __devinit usb6fire_comm_init(struct sfire_chip *chip)
130{
131 struct comm_runtime *rt = kzalloc(sizeof(struct comm_runtime),
132 GFP_KERNEL);
133 struct urb *urb = &rt->receiver;
134 int ret;
135
136 if (!rt)
137 return -ENOMEM;
138
139 rt->serial = 1;
140 rt->chip = chip;
141 usb_init_urb(urb);
142 rt->init_urb = usb6fire_comm_init_urb;
143 rt->write8 = usb6fire_comm_write8;
144 rt->write16 = usb6fire_comm_write16;
145
146 /* submit an urb that receives communication data from device */
147 urb->transfer_buffer = rt->receiver_buffer;
148 urb->transfer_buffer_length = COMM_RECEIVER_BUFSIZE;
149 urb->pipe = usb_rcvintpipe(chip->dev, COMM_EP);
150 urb->dev = chip->dev;
151 urb->complete = usb6fire_comm_receiver_handler;
152 urb->context = rt;
153 urb->interval = 1;
154 ret = usb_submit_urb(urb, GFP_KERNEL);
155 if (ret < 0) {
156 kfree(rt);
157 snd_printk(KERN_ERR PREFIX "cannot create comm data receiver.");
158 return ret;
159 }
160 chip->comm = rt;
161 return 0;
162}
163
164void usb6fire_comm_abort(struct sfire_chip *chip)
165{
166 struct comm_runtime *rt = chip->comm;
167
168 if (rt)
169 usb_poison_urb(&rt->receiver);
170}
171
172void usb6fire_comm_destroy(struct sfire_chip *chip)
173{
174 kfree(chip->comm);
175 chip->comm = NULL;
176}
diff --git a/sound/usb/6fire/comm.h b/sound/usb/6fire/comm.h
new file mode 100644
index 000000000000..edc5dc84b888
--- /dev/null
+++ b/sound/usb/6fire/comm.h
@@ -0,0 +1,44 @@
1/*
2 * Linux driver for TerraTec DMX 6Fire USB
3 *
4 * Author: Torsten Schenk <torsten.schenk@zoho.com>
5 * Created: Jan 01, 2011
6 * Version: 0.3.0
7 * Copyright: (C) Torsten Schenk
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 */
14#ifndef USB6FIRE_COMM_H
15#define USB6FIRE_COMM_H
16
17#include "common.h"
18
19enum /* settings for comm */
20{
21 COMM_RECEIVER_BUFSIZE = 64,
22};
23
24struct comm_runtime {
25 struct sfire_chip *chip;
26
27 struct urb receiver;
28 u8 receiver_buffer[COMM_RECEIVER_BUFSIZE];
29
30 u8 serial; /* urb serial */
31
32 void (*init_urb)(struct comm_runtime *rt, struct urb *urb, u8 *buffer,
33 void *context, void(*handler)(struct urb *urb));
34 /* writes control data to the device */
35 int (*write8)(struct comm_runtime *rt, u8 request, u8 reg, u8 value);
36 int (*write16)(struct comm_runtime *rt, u8 request, u8 reg,
37 u8 vh, u8 vl);
38};
39
40int __devinit usb6fire_comm_init(struct sfire_chip *chip);
41void usb6fire_comm_abort(struct sfire_chip *chip);
42void usb6fire_comm_destroy(struct sfire_chip *chip);
43#endif /* USB6FIRE_COMM_H */
44
diff --git a/sound/usb/6fire/common.h b/sound/usb/6fire/common.h
new file mode 100644
index 000000000000..7dbeb4a37831
--- /dev/null
+++ b/sound/usb/6fire/common.h
@@ -0,0 +1,30 @@
1/*
2 * Linux driver for TerraTec DMX 6Fire USB
3 *
4 * Author: Torsten Schenk <torsten.schenk@zoho.com>
5 * Created: Jan 01, 2011
6 * Version: 0.3.0
7 * Copyright: (C) Torsten Schenk
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 */
14
15#ifndef USB6FIRE_COMMON_H
16#define USB6FIRE_COMMON_H
17
18#include <linux/slab.h>
19#include <linux/usb.h>
20#include <sound/core.h>
21
22#define PREFIX "6fire: "
23
24struct sfire_chip;
25struct midi_runtime;
26struct pcm_runtime;
27struct control_runtime;
28struct comm_runtime;
29#endif /* USB6FIRE_COMMON_H */
30
diff --git a/sound/usb/6fire/control.c b/sound/usb/6fire/control.c
new file mode 100644
index 000000000000..248463511186
--- /dev/null
+++ b/sound/usb/6fire/control.c
@@ -0,0 +1,275 @@
1/*
2 * Linux driver for TerraTec DMX 6Fire USB
3 *
4 * Mixer control
5 *
6 * Author: Torsten Schenk <torsten.schenk@zoho.com>
7 * Created: Jan 01, 2011
8 * Version: 0.3.0
9 * Copyright: (C) Torsten Schenk
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 */
16
17#include <linux/interrupt.h>
18#include <sound/control.h>
19
20#include "control.h"
21#include "comm.h"
22#include "chip.h"
23
24static char *opt_coax_texts[2] = { "Optical", "Coax" };
25static char *line_phono_texts[2] = { "Line", "Phono" };
26
27/*
28 * calculated with $value\[i\] = 128 \cdot sqrt[3]{\frac{i}{128}}$
29 * this is done because the linear values cause rapid degredation
30 * of volume in the uppermost region.
31 */
32static const u8 log_volume_table[128] = {
33 0x00, 0x19, 0x20, 0x24, 0x28, 0x2b, 0x2e, 0x30, 0x32, 0x34,
34 0x36, 0x38, 0x3a, 0x3b, 0x3d, 0x3e, 0x40, 0x41, 0x42, 0x43,
35 0x44, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e,
36 0x4e, 0x4f, 0x50, 0x51, 0x52, 0x53, 0x53, 0x54, 0x55, 0x56,
37 0x56, 0x57, 0x58, 0x58, 0x59, 0x5a, 0x5b, 0x5b, 0x5c, 0x5c,
38 0x5d, 0x5e, 0x5e, 0x5f, 0x60, 0x60, 0x61, 0x61, 0x62, 0x62,
39 0x63, 0x63, 0x64, 0x65, 0x65, 0x66, 0x66, 0x67, 0x67, 0x68,
40 0x68, 0x69, 0x69, 0x6a, 0x6a, 0x6b, 0x6b, 0x6c, 0x6c, 0x6c,
41 0x6d, 0x6d, 0x6e, 0x6e, 0x6f, 0x6f, 0x70, 0x70, 0x70, 0x71,
42 0x71, 0x72, 0x72, 0x73, 0x73, 0x73, 0x74, 0x74, 0x75, 0x75,
43 0x75, 0x76, 0x76, 0x77, 0x77, 0x77, 0x78, 0x78, 0x78, 0x79,
44 0x79, 0x7a, 0x7a, 0x7a, 0x7b, 0x7b, 0x7b, 0x7c, 0x7c, 0x7c,
45 0x7d, 0x7d, 0x7d, 0x7e, 0x7e, 0x7e, 0x7f, 0x7f };
46
47/*
48 * data that needs to be sent to device. sets up card internal stuff.
49 * values dumped from windows driver and filtered by trial'n'error.
50 */
51static const struct {
52 u8 type;
53 u8 reg;
54 u8 value;
55}
56init_data[] = {
57 { 0x22, 0x00, 0x00 }, { 0x20, 0x00, 0x08 }, { 0x22, 0x01, 0x01 },
58 { 0x20, 0x01, 0x08 }, { 0x22, 0x02, 0x00 }, { 0x20, 0x02, 0x08 },
59 { 0x22, 0x03, 0x00 }, { 0x20, 0x03, 0x08 }, { 0x22, 0x04, 0x00 },
60 { 0x20, 0x04, 0x08 }, { 0x22, 0x05, 0x01 }, { 0x20, 0x05, 0x08 },
61 { 0x22, 0x04, 0x01 }, { 0x12, 0x04, 0x00 }, { 0x12, 0x05, 0x00 },
62 { 0x12, 0x0d, 0x78 }, { 0x12, 0x21, 0x82 }, { 0x12, 0x22, 0x80 },
63 { 0x12, 0x23, 0x00 }, { 0x12, 0x06, 0x02 }, { 0x12, 0x03, 0x00 },
64 { 0x12, 0x02, 0x00 }, { 0x22, 0x03, 0x01 },
65 { 0 } /* TERMINATING ENTRY */
66};
67
68static void usb6fire_control_master_vol_update(struct control_runtime *rt)
69{
70 struct comm_runtime *comm_rt = rt->chip->comm;
71 if (comm_rt) {
72 /* set volume */
73 comm_rt->write8(comm_rt, 0x12, 0x0f, 0x7f -
74 log_volume_table[rt->master_vol]);
75 /* unmute */
76 comm_rt->write8(comm_rt, 0x12, 0x0e, 0x00);
77 }
78}
79
80static void usb6fire_control_line_phono_update(struct control_runtime *rt)
81{
82 struct comm_runtime *comm_rt = rt->chip->comm;
83 if (comm_rt) {
84 comm_rt->write8(comm_rt, 0x22, 0x02, rt->line_phono_switch);
85 comm_rt->write8(comm_rt, 0x21, 0x02, rt->line_phono_switch);
86 }
87}
88
89static void usb6fire_control_opt_coax_update(struct control_runtime *rt)
90{
91 struct comm_runtime *comm_rt = rt->chip->comm;
92 if (comm_rt) {
93 comm_rt->write8(comm_rt, 0x22, 0x00, rt->opt_coax_switch);
94 comm_rt->write8(comm_rt, 0x21, 0x00, rt->opt_coax_switch);
95 }
96}
97
98static int usb6fire_control_master_vol_info(struct snd_kcontrol *kcontrol,
99 struct snd_ctl_elem_info *uinfo)
100{
101 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
102 uinfo->count = 1;
103 uinfo->value.integer.min = 0;
104 uinfo->value.integer.max = 127;
105 return 0;
106}
107
108static int usb6fire_control_master_vol_put(struct snd_kcontrol *kcontrol,
109 struct snd_ctl_elem_value *ucontrol)
110{
111 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
112 int changed = 0;
113 if (rt->master_vol != ucontrol->value.integer.value[0]) {
114 rt->master_vol = ucontrol->value.integer.value[0];
115 usb6fire_control_master_vol_update(rt);
116 changed = 1;
117 }
118 return changed;
119}
120
121static int usb6fire_control_master_vol_get(struct snd_kcontrol *kcontrol,
122 struct snd_ctl_elem_value *ucontrol)
123{
124 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
125 ucontrol->value.integer.value[0] = rt->master_vol;
126 return 0;
127}
128
129static int usb6fire_control_line_phono_info(struct snd_kcontrol *kcontrol,
130 struct snd_ctl_elem_info *uinfo)
131{
132 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
133 uinfo->count = 1;
134 uinfo->value.enumerated.items = 2;
135 if (uinfo->value.enumerated.item > 1)
136 uinfo->value.enumerated.item = 1;
137 strcpy(uinfo->value.enumerated.name,
138 line_phono_texts[uinfo->value.enumerated.item]);
139 return 0;
140}
141
142static int usb6fire_control_line_phono_put(struct snd_kcontrol *kcontrol,
143 struct snd_ctl_elem_value *ucontrol)
144{
145 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
146 int changed = 0;
147 if (rt->line_phono_switch != ucontrol->value.integer.value[0]) {
148 rt->line_phono_switch = ucontrol->value.integer.value[0];
149 usb6fire_control_line_phono_update(rt);
150 changed = 1;
151 }
152 return changed;
153}
154
155static int usb6fire_control_line_phono_get(struct snd_kcontrol *kcontrol,
156 struct snd_ctl_elem_value *ucontrol)
157{
158 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
159 ucontrol->value.integer.value[0] = rt->line_phono_switch;
160 return 0;
161}
162
163static int usb6fire_control_opt_coax_info(struct snd_kcontrol *kcontrol,
164 struct snd_ctl_elem_info *uinfo)
165{
166 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
167 uinfo->count = 1;
168 uinfo->value.enumerated.items = 2;
169 if (uinfo->value.enumerated.item > 1)
170 uinfo->value.enumerated.item = 1;
171 strcpy(uinfo->value.enumerated.name,
172 opt_coax_texts[uinfo->value.enumerated.item]);
173 return 0;
174}
175
176static int usb6fire_control_opt_coax_put(struct snd_kcontrol *kcontrol,
177 struct snd_ctl_elem_value *ucontrol)
178{
179 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
180 int changed = 0;
181
182 if (rt->opt_coax_switch != ucontrol->value.enumerated.item[0]) {
183 rt->opt_coax_switch = ucontrol->value.enumerated.item[0];
184 usb6fire_control_opt_coax_update(rt);
185 changed = 1;
186 }
187 return changed;
188}
189
190static int usb6fire_control_opt_coax_get(struct snd_kcontrol *kcontrol,
191 struct snd_ctl_elem_value *ucontrol)
192{
193 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
194 ucontrol->value.enumerated.item[0] = rt->opt_coax_switch;
195 return 0;
196}
197
198static struct __devinitdata snd_kcontrol_new elements[] = {
199 {
200 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
201 .name = "Master Playback Volume",
202 .index = 0,
203 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
204 .info = usb6fire_control_master_vol_info,
205 .get = usb6fire_control_master_vol_get,
206 .put = usb6fire_control_master_vol_put
207 },
208 {
209 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
210 .name = "Line/Phono Capture Route",
211 .index = 0,
212 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
213 .info = usb6fire_control_line_phono_info,
214 .get = usb6fire_control_line_phono_get,
215 .put = usb6fire_control_line_phono_put
216 },
217 {
218 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
219 .name = "Opt/Coax Capture Route",
220 .index = 0,
221 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
222 .info = usb6fire_control_opt_coax_info,
223 .get = usb6fire_control_opt_coax_get,
224 .put = usb6fire_control_opt_coax_put
225 },
226 {}
227};
228
229int __devinit usb6fire_control_init(struct sfire_chip *chip)
230{
231 int i;
232 int ret;
233 struct control_runtime *rt = kzalloc(sizeof(struct control_runtime),
234 GFP_KERNEL);
235 struct comm_runtime *comm_rt = chip->comm;
236
237 if (!rt)
238 return -ENOMEM;
239
240 rt->chip = chip;
241
242 i = 0;
243 while (init_data[i].type) {
244 comm_rt->write8(comm_rt, init_data[i].type, init_data[i].reg,
245 init_data[i].value);
246 i++;
247 }
248
249 usb6fire_control_opt_coax_update(rt);
250 usb6fire_control_line_phono_update(rt);
251 usb6fire_control_master_vol_update(rt);
252
253 i = 0;
254 while (elements[i].name) {
255 ret = snd_ctl_add(chip->card, snd_ctl_new1(&elements[i], rt));
256 if (ret < 0) {
257 kfree(rt);
258 snd_printk(KERN_ERR PREFIX "cannot add control.\n");
259 return ret;
260 }
261 i++;
262 }
263
264 chip->control = rt;
265 return 0;
266}
267
268void usb6fire_control_abort(struct sfire_chip *chip)
269{}
270
271void usb6fire_control_destroy(struct sfire_chip *chip)
272{
273 kfree(chip->control);
274 chip->control = NULL;
275}
diff --git a/sound/usb/6fire/control.h b/sound/usb/6fire/control.h
new file mode 100644
index 000000000000..b534c777ab02
--- /dev/null
+++ b/sound/usb/6fire/control.h
@@ -0,0 +1,37 @@
1/*
2 * Linux driver for TerraTec DMX 6Fire USB
3 *
4 * Author: Torsten Schenk <torsten.schenk@zoho.com>
5 * Created: Jan 01, 2011
6 * Version: 0.3.0
7 * Copyright: (C) Torsten Schenk
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 */
14
15#ifndef USB6FIRE_CONTROL_H
16#define USB6FIRE_CONTROL_H
17
18#include "common.h"
19
20enum {
21 CONTROL_MAX_ELEMENTS = 32
22};
23
24struct control_runtime {
25 struct sfire_chip *chip;
26
27 struct snd_kcontrol *element[CONTROL_MAX_ELEMENTS];
28 bool opt_coax_switch;
29 bool line_phono_switch;
30 u8 master_vol;
31};
32
33int __devinit usb6fire_control_init(struct sfire_chip *chip);
34void usb6fire_control_abort(struct sfire_chip *chip);
35void usb6fire_control_destroy(struct sfire_chip *chip);
36#endif /* USB6FIRE_CONTROL_H */
37
diff --git a/sound/usb/6fire/firmware.c b/sound/usb/6fire/firmware.c
new file mode 100644
index 000000000000..9081a54a9c6c
--- /dev/null
+++ b/sound/usb/6fire/firmware.c
@@ -0,0 +1,426 @@
1/*
2 * Linux driver for TerraTec DMX 6Fire USB
3 *
4 * Firmware loader
5 *
6 * Currently not working for all devices. To be able to use the device
7 * in linux, it is also possible to let the windows driver upload the firmware.
8 * For that, start the computer in windows and reboot.
9 * As long as the device is connected to the power supply, no firmware reload
10 * needs to be performed.
11 *
12 * Author: Torsten Schenk <torsten.schenk@zoho.com>
13 * Created: Jan 01, 2011
14 * Version: 0.3.0
15 * Copyright: (C) Torsten Schenk
16 *
17 * This program is free software; you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License as published by
19 * the Free Software Foundation; either version 2 of the License, or
20 * (at your option) any later version.
21 */
22
23#include <linux/firmware.h>
24
25#include "firmware.h"
26#include "chip.h"
27
28MODULE_FIRMWARE("6fire/dmx6firel2.ihx");
29MODULE_FIRMWARE("6fire/dmx6fireap.ihx");
30MODULE_FIRMWARE("6fire/dmx6firecf.bin");
31
32enum {
33 FPGA_BUFSIZE = 512, FPGA_EP = 2
34};
35
36static const u8 BIT_REVERSE_TABLE[256] = {
37 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, 0x10, 0x90, 0x50,
38 0xd0, 0x30, 0xb0, 0x70, 0xf0, 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8,
39 0x68, 0xe8, 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, 0x04,
40 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, 0x14, 0x94, 0x54, 0xd4,
41 0x34, 0xb4, 0x74, 0xf4, 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c,
42 0xec, 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, 0x02, 0x82,
43 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, 0x12, 0x92, 0x52, 0xd2, 0x32,
44 0xb2, 0x72, 0xf2, 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
45 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, 0x06, 0x86, 0x46,
46 0xc6, 0x26, 0xa6, 0x66, 0xe6, 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6,
47 0x76, 0xf6, 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, 0x1e,
48 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, 0x01, 0x81, 0x41, 0xc1,
49 0x21, 0xa1, 0x61, 0xe1, 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71,
50 0xf1, 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, 0x19, 0x99,
51 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, 0x05, 0x85, 0x45, 0xc5, 0x25,
52 0xa5, 0x65, 0xe5, 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
53 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, 0x1d, 0x9d, 0x5d,
54 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3,
55 0x63, 0xe3, 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, 0x0b,
56 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, 0x1b, 0x9b, 0x5b, 0xdb,
57 0x3b, 0xbb, 0x7b, 0xfb, 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67,
58 0xe7, 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, 0x0f, 0x8f,
59 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, 0x1f, 0x9f, 0x5f, 0xdf, 0x3f,
60 0xbf, 0x7f, 0xff };
61
62/*
63 * wMaxPacketSize of pcm endpoints.
64 * keep synced with rates_in_packet_size and rates_out_packet_size in pcm.c
65 * fpp: frames per isopacket
66 *
67 * CAUTION: keep sizeof <= buffer[] in usb6fire_fw_init
68 */
69static const u8 ep_w_max_packet_size[] = {
70 0xe4, 0x00, 0xe4, 0x00, /* alt 1: 228 EP2 and EP6 (7 fpp) */
71 0xa4, 0x01, 0xa4, 0x01, /* alt 2: 420 EP2 and EP6 (13 fpp)*/
72 0x94, 0x01, 0x5c, 0x02 /* alt 3: 404 EP2 and 604 EP6 (25 fpp) */
73};
74
75struct ihex_record {
76 u16 address;
77 u8 len;
78 u8 data[256];
79 char error; /* true if an error occured parsing this record */
80
81 u8 max_len; /* maximum record length in whole ihex */
82
83 /* private */
84 const char *txt_data;
85 unsigned int txt_length;
86 unsigned int txt_offset; /* current position in txt_data */
87};
88
89static u8 usb6fire_fw_ihex_nibble(const u8 n)
90{
91 if (n >= '0' && n <= '9')
92 return n - '0';
93 else if (n >= 'A' && n <= 'F')
94 return n - ('A' - 10);
95 else if (n >= 'a' && n <= 'f')
96 return n - ('a' - 10);
97 return 0;
98}
99
100static u8 usb6fire_fw_ihex_hex(const u8 *data, u8 *crc)
101{
102 u8 val = (usb6fire_fw_ihex_nibble(data[0]) << 4) |
103 usb6fire_fw_ihex_nibble(data[1]);
104 *crc += val;
105 return val;
106}
107
108/*
109 * returns true if record is available, false otherwise.
110 * iff an error occured, false will be returned and record->error will be true.
111 */
112static bool usb6fire_fw_ihex_next_record(struct ihex_record *record)
113{
114 u8 crc = 0;
115 u8 type;
116 int i;
117
118 record->error = false;
119
120 /* find begin of record (marked by a colon) */
121 while (record->txt_offset < record->txt_length
122 && record->txt_data[record->txt_offset] != ':')
123 record->txt_offset++;
124 if (record->txt_offset == record->txt_length)
125 return false;
126
127 /* number of characters needed for len, addr and type entries */
128 record->txt_offset++;
129 if (record->txt_offset + 8 > record->txt_length) {
130 record->error = true;
131 return false;
132 }
133
134 record->len = usb6fire_fw_ihex_hex(record->txt_data +
135 record->txt_offset, &crc);
136 record->txt_offset += 2;
137 record->address = usb6fire_fw_ihex_hex(record->txt_data +
138 record->txt_offset, &crc) << 8;
139 record->txt_offset += 2;
140 record->address |= usb6fire_fw_ihex_hex(record->txt_data +
141 record->txt_offset, &crc);
142 record->txt_offset += 2;
143 type = usb6fire_fw_ihex_hex(record->txt_data +
144 record->txt_offset, &crc);
145 record->txt_offset += 2;
146
147 /* number of characters needed for data and crc entries */
148 if (record->txt_offset + 2 * (record->len + 1) > record->txt_length) {
149 record->error = true;
150 return false;
151 }
152 for (i = 0; i < record->len; i++) {
153 record->data[i] = usb6fire_fw_ihex_hex(record->txt_data
154 + record->txt_offset, &crc);
155 record->txt_offset += 2;
156 }
157 usb6fire_fw_ihex_hex(record->txt_data + record->txt_offset, &crc);
158 if (crc) {
159 record->error = true;
160 return false;
161 }
162
163 if (type == 1 || !record->len) /* eof */
164 return false;
165 else if (type == 0)
166 return true;
167 else {
168 record->error = true;
169 return false;
170 }
171}
172
173static int usb6fire_fw_ihex_init(const struct firmware *fw,
174 struct ihex_record *record)
175{
176 record->txt_data = fw->data;
177 record->txt_length = fw->size;
178 record->txt_offset = 0;
179 record->max_len = 0;
180 /* read all records, if loop ends, record->error indicates,
181 * whether ihex is valid. */
182 while (usb6fire_fw_ihex_next_record(record))
183 record->max_len = max(record->len, record->max_len);
184 if (record->error)
185 return -EINVAL;
186 record->txt_offset = 0;
187 return 0;
188}
189
190static int usb6fire_fw_ezusb_write(struct usb_device *device,
191 int type, int value, char *data, int len)
192{
193 int ret;
194
195 ret = usb_control_msg(device, usb_sndctrlpipe(device, 0), type,
196 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
197 value, 0, data, len, HZ);
198 if (ret < 0)
199 return ret;
200 else if (ret != len)
201 return -EIO;
202 return 0;
203}
204
205static int usb6fire_fw_ezusb_read(struct usb_device *device,
206 int type, int value, char *data, int len)
207{
208 int ret = usb_control_msg(device, usb_rcvctrlpipe(device, 0), type,
209 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value,
210 0, data, len, HZ);
211 if (ret < 0)
212 return ret;
213 else if (ret != len)
214 return -EIO;
215 return 0;
216}
217
218static int usb6fire_fw_fpga_write(struct usb_device *device,
219 char *data, int len)
220{
221 int actual_len;
222 int ret;
223
224 ret = usb_bulk_msg(device, usb_sndbulkpipe(device, FPGA_EP), data, len,
225 &actual_len, HZ);
226 if (ret < 0)
227 return ret;
228 else if (actual_len != len)
229 return -EIO;
230 return 0;
231}
232
233static int usb6fire_fw_ezusb_upload(
234 struct usb_interface *intf, const char *fwname,
235 unsigned int postaddr, u8 *postdata, unsigned int postlen)
236{
237 int ret;
238 u8 data;
239 struct usb_device *device = interface_to_usbdev(intf);
240 const struct firmware *fw = 0;
241 struct ihex_record *rec = kmalloc(sizeof(struct ihex_record),
242 GFP_KERNEL);
243
244 if (!rec)
245 return -ENOMEM;
246
247 ret = request_firmware(&fw, fwname, &device->dev);
248 if (ret < 0) {
249 kfree(rec);
250 snd_printk(KERN_ERR PREFIX "error requesting ezusb "
251 "firmware %s.\n", fwname);
252 return ret;
253 }
254 ret = usb6fire_fw_ihex_init(fw, rec);
255 if (ret < 0) {
256 kfree(rec);
257 snd_printk(KERN_ERR PREFIX "error validating ezusb "
258 "firmware %s.\n", fwname);
259 return ret;
260 }
261 /* upload firmware image */
262 data = 0x01; /* stop ezusb cpu */
263 ret = usb6fire_fw_ezusb_write(device, 0xa0, 0xe600, &data, 1);
264 if (ret < 0) {
265 kfree(rec);
266 release_firmware(fw);
267 snd_printk(KERN_ERR PREFIX "unable to upload ezusb "
268 "firmware %s: begin message.\n", fwname);
269 return ret;
270 }
271
272 while (usb6fire_fw_ihex_next_record(rec)) { /* write firmware */
273 ret = usb6fire_fw_ezusb_write(device, 0xa0, rec->address,
274 rec->data, rec->len);
275 if (ret < 0) {
276 kfree(rec);
277 release_firmware(fw);
278 snd_printk(KERN_ERR PREFIX "unable to upload ezusb "
279 "firmware %s: data urb.\n", fwname);
280 return ret;
281 }
282 }
283
284 release_firmware(fw);
285 kfree(rec);
286 if (postdata) { /* write data after firmware has been uploaded */
287 ret = usb6fire_fw_ezusb_write(device, 0xa0, postaddr,
288 postdata, postlen);
289 if (ret < 0) {
290 snd_printk(KERN_ERR PREFIX "unable to upload ezusb "
291 "firmware %s: post urb.\n", fwname);
292 return ret;
293 }
294 }
295
296 data = 0x00; /* resume ezusb cpu */
297 ret = usb6fire_fw_ezusb_write(device, 0xa0, 0xe600, &data, 1);
298 if (ret < 0) {
299 release_firmware(fw);
300 snd_printk(KERN_ERR PREFIX "unable to upload ezusb "
301 "firmware %s: end message.\n", fwname);
302 return ret;
303 }
304 return 0;
305}
306
307static int usb6fire_fw_fpga_upload(
308 struct usb_interface *intf, const char *fwname)
309{
310 int ret;
311 int i;
312 struct usb_device *device = interface_to_usbdev(intf);
313 u8 *buffer = kmalloc(FPGA_BUFSIZE, GFP_KERNEL);
314 const char *c;
315 const char *end;
316 const struct firmware *fw;
317
318 if (!buffer)
319 return -ENOMEM;
320
321 ret = request_firmware(&fw, fwname, &device->dev);
322 if (ret < 0) {
323 snd_printk(KERN_ERR PREFIX "unable to get fpga firmware %s.\n",
324 fwname);
325 kfree(buffer);
326 return -EIO;
327 }
328
329 c = fw->data;
330 end = fw->data + fw->size;
331
332 ret = usb6fire_fw_ezusb_write(device, 8, 0, NULL, 0);
333 if (ret < 0) {
334 kfree(buffer);
335 release_firmware(fw);
336 snd_printk(KERN_ERR PREFIX "unable to upload fpga firmware: "
337 "begin urb.\n");
338 return ret;
339 }
340
341 while (c != end) {
342 for (i = 0; c != end && i < FPGA_BUFSIZE; i++, c++)
343 buffer[i] = BIT_REVERSE_TABLE[(u8) *c];
344
345 ret = usb6fire_fw_fpga_write(device, buffer, i);
346 if (ret < 0) {
347 release_firmware(fw);
348 kfree(buffer);
349 snd_printk(KERN_ERR PREFIX "unable to upload fpga "
350 "firmware: fw urb.\n");
351 return ret;
352 }
353 }
354 release_firmware(fw);
355 kfree(buffer);
356
357 ret = usb6fire_fw_ezusb_write(device, 9, 0, NULL, 0);
358 if (ret < 0) {
359 snd_printk(KERN_ERR PREFIX "unable to upload fpga firmware: "
360 "end urb.\n");
361 return ret;
362 }
363 return 0;
364}
365
366int usb6fire_fw_init(struct usb_interface *intf)
367{
368 int i;
369 int ret;
370 struct usb_device *device = interface_to_usbdev(intf);
371 /* buffer: 8 receiving bytes from device and
372 * sizeof(EP_W_MAX_PACKET_SIZE) bytes for non-const copy */
373 u8 buffer[12];
374
375 ret = usb6fire_fw_ezusb_read(device, 1, 0, buffer, 8);
376 if (ret < 0) {
377 snd_printk(KERN_ERR PREFIX "unable to receive device "
378 "firmware state.\n");
379 return ret;
380 }
381 if (buffer[0] != 0xeb || buffer[1] != 0xaa || buffer[2] != 0x55
382 || buffer[4] != 0x03 || buffer[5] != 0x01 || buffer[7]
383 != 0x00) {
384 snd_printk(KERN_ERR PREFIX "unknown device firmware state "
385 "received from device: ");
386 for (i = 0; i < 8; i++)
387 snd_printk("%02x ", buffer[i]);
388 snd_printk("\n");
389 return -EIO;
390 }
391 /* do we need fpga loader ezusb firmware? */
392 if (buffer[3] == 0x01 && buffer[6] == 0x19) {
393 ret = usb6fire_fw_ezusb_upload(intf,
394 "6fire/dmx6firel2.ihx", 0, NULL, 0);
395 if (ret < 0)
396 return ret;
397 return FW_NOT_READY;
398 }
399 /* do we need fpga firmware and application ezusb firmware? */
400 else if (buffer[3] == 0x02 && buffer[6] == 0x0b) {
401 ret = usb6fire_fw_fpga_upload(intf, "6fire/dmx6firecf.bin");
402 if (ret < 0)
403 return ret;
404 memcpy(buffer, ep_w_max_packet_size,
405 sizeof(ep_w_max_packet_size));
406 ret = usb6fire_fw_ezusb_upload(intf, "6fire/dmx6fireap.ihx",
407 0x0003, buffer, sizeof(ep_w_max_packet_size));
408 if (ret < 0)
409 return ret;
410 return FW_NOT_READY;
411 }
412 /* all fw loaded? */
413 else if (buffer[3] == 0x03 && buffer[6] == 0x0b)
414 return 0;
415 /* unknown data? */
416 else {
417 snd_printk(KERN_ERR PREFIX "unknown device firmware state "
418 "received from device: ");
419 for (i = 0; i < 8; i++)
420 snd_printk("%02x ", buffer[i]);
421 snd_printk("\n");
422 return -EIO;
423 }
424 return 0;
425}
426
diff --git a/sound/usb/6fire/firmware.h b/sound/usb/6fire/firmware.h
new file mode 100644
index 000000000000..008569895381
--- /dev/null
+++ b/sound/usb/6fire/firmware.h
@@ -0,0 +1,27 @@
1/*
2 * Linux driver for TerraTec DMX 6Fire USB
3 *
4 * Author: Torsten Schenk
5 * Created: Jan 01, 2011
6 * Copyright: (C) Torsten Schenk
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 */
13
14#ifndef USB6FIRE_FIRMWARE_H
15#define USB6FIRE_FIRMWARE_H
16
17#include "common.h"
18
19enum /* firmware state of device */
20{
21 FW_READY = 0,
22 FW_NOT_READY = 1
23};
24
25int __devinit usb6fire_fw_init(struct usb_interface *intf);
26#endif /* USB6FIRE_FIRMWARE_H */
27
diff --git a/sound/usb/6fire/midi.c b/sound/usb/6fire/midi.c
new file mode 100644
index 000000000000..13f4509dce2b
--- /dev/null
+++ b/sound/usb/6fire/midi.c
@@ -0,0 +1,203 @@
1/*
2 * Linux driver for TerraTec DMX 6Fire USB
3 *
4 * Rawmidi driver
5 *
6 * Author: Torsten Schenk <torsten.schenk@zoho.com>
7 * Created: Jan 01, 2011
8 * Version: 0.3.0
9 * Copyright: (C) Torsten Schenk
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 */
16
17#include <sound/rawmidi.h>
18
19#include "midi.h"
20#include "chip.h"
21#include "comm.h"
22
23static void usb6fire_midi_out_handler(struct urb *urb)
24{
25 struct midi_runtime *rt = urb->context;
26 int ret;
27 unsigned long flags;
28
29 spin_lock_irqsave(&rt->out_lock, flags);
30
31 if (rt->out) {
32 ret = snd_rawmidi_transmit(rt->out, rt->out_buffer + 4,
33 MIDI_BUFSIZE - 4);
34 if (ret > 0) { /* more data available, send next packet */
35 rt->out_buffer[1] = ret + 2;
36 rt->out_buffer[3] = rt->out_serial++;
37 urb->transfer_buffer_length = ret + 4;
38
39 ret = usb_submit_urb(urb, GFP_ATOMIC);
40 if (ret < 0)
41 snd_printk(KERN_ERR PREFIX "midi out urb "
42 "submit failed: %d\n", ret);
43 } else /* no more data to transmit */
44 rt->out = NULL;
45 }
46 spin_unlock_irqrestore(&rt->out_lock, flags);
47}
48
49static void usb6fire_midi_in_received(
50 struct midi_runtime *rt, u8 *data, int length)
51{
52 unsigned long flags;
53
54 spin_lock_irqsave(&rt->in_lock, flags);
55 if (rt->in)
56 snd_rawmidi_receive(rt->in, data, length);
57 spin_unlock_irqrestore(&rt->in_lock, flags);
58}
59
60static int usb6fire_midi_out_open(struct snd_rawmidi_substream *alsa_sub)
61{
62 return 0;
63}
64
65static int usb6fire_midi_out_close(struct snd_rawmidi_substream *alsa_sub)
66{
67 return 0;
68}
69
70static void usb6fire_midi_out_trigger(
71 struct snd_rawmidi_substream *alsa_sub, int up)
72{
73 struct midi_runtime *rt = alsa_sub->rmidi->private_data;
74 struct urb *urb = &rt->out_urb;
75 __s8 ret;
76 unsigned long flags;
77
78 spin_lock_irqsave(&rt->out_lock, flags);
79 if (up) { /* start transfer */
80 if (rt->out) { /* we are already transmitting so just return */
81 spin_unlock_irqrestore(&rt->out_lock, flags);
82 return;
83 }
84
85 ret = snd_rawmidi_transmit(alsa_sub, rt->out_buffer + 4,
86 MIDI_BUFSIZE - 4);
87 if (ret > 0) {
88 rt->out_buffer[1] = ret + 2;
89 rt->out_buffer[3] = rt->out_serial++;
90 urb->transfer_buffer_length = ret + 4;
91
92 ret = usb_submit_urb(urb, GFP_ATOMIC);
93 if (ret < 0)
94 snd_printk(KERN_ERR PREFIX "midi out urb "
95 "submit failed: %d\n", ret);
96 else
97 rt->out = alsa_sub;
98 }
99 } else if (rt->out == alsa_sub)
100 rt->out = NULL;
101 spin_unlock_irqrestore(&rt->out_lock, flags);
102}
103
104static void usb6fire_midi_out_drain(struct snd_rawmidi_substream *alsa_sub)
105{
106 struct midi_runtime *rt = alsa_sub->rmidi->private_data;
107 int retry = 0;
108
109 while (rt->out && retry++ < 100)
110 msleep(10);
111}
112
113static int usb6fire_midi_in_open(struct snd_rawmidi_substream *alsa_sub)
114{
115 return 0;
116}
117
118static int usb6fire_midi_in_close(struct snd_rawmidi_substream *alsa_sub)
119{
120 return 0;
121}
122
123static void usb6fire_midi_in_trigger(
124 struct snd_rawmidi_substream *alsa_sub, int up)
125{
126 struct midi_runtime *rt = alsa_sub->rmidi->private_data;
127 unsigned long flags;
128
129 spin_lock_irqsave(&rt->in_lock, flags);
130 if (up)
131 rt->in = alsa_sub;
132 else
133 rt->in = NULL;
134 spin_unlock_irqrestore(&rt->in_lock, flags);
135}
136
137static struct snd_rawmidi_ops out_ops = {
138 .open = usb6fire_midi_out_open,
139 .close = usb6fire_midi_out_close,
140 .trigger = usb6fire_midi_out_trigger,
141 .drain = usb6fire_midi_out_drain
142};
143
144static struct snd_rawmidi_ops in_ops = {
145 .open = usb6fire_midi_in_open,
146 .close = usb6fire_midi_in_close,
147 .trigger = usb6fire_midi_in_trigger
148};
149
150int __devinit usb6fire_midi_init(struct sfire_chip *chip)
151{
152 int ret;
153 struct midi_runtime *rt = kzalloc(sizeof(struct midi_runtime),
154 GFP_KERNEL);
155 struct comm_runtime *comm_rt = chip->comm;
156
157 if (!rt)
158 return -ENOMEM;
159
160 rt->chip = chip;
161 rt->in_received = usb6fire_midi_in_received;
162 rt->out_buffer[0] = 0x80; /* 'send midi' command */
163 rt->out_buffer[1] = 0x00; /* size of data */
164 rt->out_buffer[2] = 0x00; /* always 0 */
165 spin_lock_init(&rt->in_lock);
166 spin_lock_init(&rt->out_lock);
167
168 comm_rt->init_urb(comm_rt, &rt->out_urb, rt->out_buffer, rt,
169 usb6fire_midi_out_handler);
170
171 ret = snd_rawmidi_new(chip->card, "6FireUSB", 0, 1, 1, &rt->instance);
172 if (ret < 0) {
173 kfree(rt);
174 snd_printk(KERN_ERR PREFIX "unable to create midi.\n");
175 return ret;
176 }
177 rt->instance->private_data = rt;
178 strcpy(rt->instance->name, "DMX6FireUSB MIDI");
179 rt->instance->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
180 SNDRV_RAWMIDI_INFO_INPUT |
181 SNDRV_RAWMIDI_INFO_DUPLEX;
182 snd_rawmidi_set_ops(rt->instance, SNDRV_RAWMIDI_STREAM_OUTPUT,
183 &out_ops);
184 snd_rawmidi_set_ops(rt->instance, SNDRV_RAWMIDI_STREAM_INPUT,
185 &in_ops);
186
187 chip->midi = rt;
188 return 0;
189}
190
191void usb6fire_midi_abort(struct sfire_chip *chip)
192{
193 struct midi_runtime *rt = chip->midi;
194
195 if (rt)
196 usb_poison_urb(&rt->out_urb);
197}
198
199void usb6fire_midi_destroy(struct sfire_chip *chip)
200{
201 kfree(chip->midi);
202 chip->midi = NULL;
203}
diff --git a/sound/usb/6fire/midi.h b/sound/usb/6fire/midi.h
new file mode 100644
index 000000000000..97a7bf669135
--- /dev/null
+++ b/sound/usb/6fire/midi.h
@@ -0,0 +1,46 @@
1/*
2 * Linux driver for TerraTec DMX 6Fire USB
3 *
4 * Author: Torsten Schenk <torsten.schenk@zoho.com>
5 * Created: Jan 01, 2011
6 * Version: 0.3.0
7 * Copyright: (C) Torsten Schenk
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 */
14
15#ifndef USB6FIRE_MIDI_H
16#define USB6FIRE_MIDI_H
17
18#include "common.h"
19
20enum {
21 MIDI_BUFSIZE = 64
22};
23
24struct midi_runtime {
25 struct sfire_chip *chip;
26 struct snd_rawmidi *instance;
27
28 struct snd_rawmidi_substream *in;
29 char in_active;
30
31 spinlock_t in_lock;
32 spinlock_t out_lock;
33 struct snd_rawmidi_substream *out;
34 struct urb out_urb;
35 u8 out_serial; /* serial number of out packet */
36 u8 out_buffer[MIDI_BUFSIZE];
37 int buffer_offset;
38
39 void (*in_received)(struct midi_runtime *rt, u8 *data, int length);
40};
41
42int __devinit usb6fire_midi_init(struct sfire_chip *chip);
43void usb6fire_midi_abort(struct sfire_chip *chip);
44void usb6fire_midi_destroy(struct sfire_chip *chip);
45#endif /* USB6FIRE_MIDI_H */
46
diff --git a/sound/usb/6fire/pcm.c b/sound/usb/6fire/pcm.c
new file mode 100644
index 000000000000..705c88e1964c
--- /dev/null
+++ b/sound/usb/6fire/pcm.c
@@ -0,0 +1,689 @@
1/*
2 * Linux driver for TerraTec DMX 6Fire USB
3 *
4 * PCM driver
5 *
6 * Author: Torsten Schenk <torsten.schenk@zoho.com>
7 * Created: Jan 01, 2011
8 * Version: 0.3.0
9 * Copyright: (C) Torsten Schenk
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 */
16
17#include "pcm.h"
18#include "chip.h"
19#include "comm.h"
20
21enum {
22 OUT_N_CHANNELS = 6, IN_N_CHANNELS = 4
23};
24
25/* keep next two synced with
26 * FW_EP_W_MAX_PACKET_SIZE[] and RATES_MAX_PACKET_SIZE */
27static const int rates_in_packet_size[] = { 228, 228, 420, 420, 404, 404 };
28static const int rates_out_packet_size[] = { 228, 228, 420, 420, 604, 604 };
29static const int rates[] = { 44100, 48000, 88200, 96000, 176400, 192000 };
30static const int rates_altsetting[] = { 1, 1, 2, 2, 3, 3 };
31static const int rates_alsaid[] = {
32 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_48000,
33 SNDRV_PCM_RATE_88200, SNDRV_PCM_RATE_96000,
34 SNDRV_PCM_RATE_176400, SNDRV_PCM_RATE_192000 };
35
36/* values to write to soundcard register for all samplerates */
37static const u16 rates_6fire_vl[] = {0x00, 0x01, 0x00, 0x01, 0x00, 0x01};
38static const u16 rates_6fire_vh[] = {0x11, 0x11, 0x10, 0x10, 0x00, 0x00};
39
40enum { /* settings for pcm */
41 OUT_EP = 6, IN_EP = 2, MAX_BUFSIZE = 128 * 1024
42};
43
44enum { /* pcm streaming states */
45 STREAM_DISABLED, /* no pcm streaming */
46 STREAM_STARTING, /* pcm streaming requested, waiting to become ready */
47 STREAM_RUNNING, /* pcm streaming running */
48 STREAM_STOPPING
49};
50
51enum { /* pcm sample rates (also index into RATES_XXX[]) */
52 RATE_44KHZ,
53 RATE_48KHZ,
54 RATE_88KHZ,
55 RATE_96KHZ,
56 RATE_176KHZ,
57 RATE_192KHZ
58};
59
60static const struct snd_pcm_hardware pcm_hw = {
61 .info = SNDRV_PCM_INFO_MMAP |
62 SNDRV_PCM_INFO_INTERLEAVED |
63 SNDRV_PCM_INFO_BLOCK_TRANSFER |
64 SNDRV_PCM_INFO_MMAP_VALID |
65 SNDRV_PCM_INFO_BATCH,
66
67 .formats = SNDRV_PCM_FMTBIT_S24_LE,
68
69 .rates = SNDRV_PCM_RATE_44100 |
70 SNDRV_PCM_RATE_48000 |
71 SNDRV_PCM_RATE_88200 |
72 SNDRV_PCM_RATE_96000 |
73 SNDRV_PCM_RATE_176400 |
74 SNDRV_PCM_RATE_192000,
75
76 .rate_min = 44100,
77 .rate_max = 192000,
78 .channels_min = 1,
79 .channels_max = 0, /* set in pcm_open, depending on capture/playback */
80 .buffer_bytes_max = MAX_BUFSIZE,
81 .period_bytes_min = PCM_N_PACKETS_PER_URB * (PCM_MAX_PACKET_SIZE - 4),
82 .period_bytes_max = MAX_BUFSIZE,
83 .periods_min = 2,
84 .periods_max = 1024
85};
86
87static int usb6fire_pcm_set_rate(struct pcm_runtime *rt)
88{
89 int ret;
90 struct usb_device *device = rt->chip->dev;
91 struct comm_runtime *comm_rt = rt->chip->comm;
92
93 if (rt->rate >= ARRAY_SIZE(rates))
94 return -EINVAL;
95 /* disable streaming */
96 ret = comm_rt->write16(comm_rt, 0x02, 0x00, 0x00, 0x00);
97 if (ret < 0) {
98 snd_printk(KERN_ERR PREFIX "error stopping streaming while "
99 "setting samplerate %d.\n", rates[rt->rate]);
100 return ret;
101 }
102
103 ret = usb_set_interface(device, 1, rates_altsetting[rt->rate]);
104 if (ret < 0) {
105 snd_printk(KERN_ERR PREFIX "error setting interface "
106 "altsetting %d for samplerate %d.\n",
107 rates_altsetting[rt->rate], rates[rt->rate]);
108 return ret;
109 }
110
111 /* set soundcard clock */
112 ret = comm_rt->write16(comm_rt, 0x02, 0x01, rates_6fire_vl[rt->rate],
113 rates_6fire_vh[rt->rate]);
114 if (ret < 0) {
115 snd_printk(KERN_ERR PREFIX "error setting samplerate %d.\n",
116 rates[rt->rate]);
117 return ret;
118 }
119
120 /* enable analog inputs and outputs
121 * (one bit per stereo-channel) */
122 ret = comm_rt->write16(comm_rt, 0x02, 0x02,
123 (1 << (OUT_N_CHANNELS / 2)) - 1,
124 (1 << (IN_N_CHANNELS / 2)) - 1);
125 if (ret < 0) {
126 snd_printk(KERN_ERR PREFIX "error initializing analog channels "
127 "while setting samplerate %d.\n",
128 rates[rt->rate]);
129 return ret;
130 }
131 /* disable digital inputs and outputs */
132 ret = comm_rt->write16(comm_rt, 0x02, 0x03, 0x00, 0x00);
133 if (ret < 0) {
134 snd_printk(KERN_ERR PREFIX "error initializing digital "
135 "channels while setting samplerate %d.\n",
136 rates[rt->rate]);
137 return ret;
138 }
139
140 ret = comm_rt->write16(comm_rt, 0x02, 0x00, 0x00, 0x01);
141 if (ret < 0) {
142 snd_printk(KERN_ERR PREFIX "error starting streaming while "
143 "setting samplerate %d.\n", rates[rt->rate]);
144 return ret;
145 }
146
147 rt->in_n_analog = IN_N_CHANNELS;
148 rt->out_n_analog = OUT_N_CHANNELS;
149 rt->in_packet_size = rates_in_packet_size[rt->rate];
150 rt->out_packet_size = rates_out_packet_size[rt->rate];
151 return 0;
152}
153
154static struct pcm_substream *usb6fire_pcm_get_substream(
155 struct snd_pcm_substream *alsa_sub)
156{
157 struct pcm_runtime *rt = snd_pcm_substream_chip(alsa_sub);
158
159 if (alsa_sub->stream == SNDRV_PCM_STREAM_PLAYBACK)
160 return &rt->playback;
161 else if (alsa_sub->stream == SNDRV_PCM_STREAM_CAPTURE)
162 return &rt->capture;
163 snd_printk(KERN_ERR PREFIX "error getting pcm substream slot.\n");
164 return NULL;
165}
166
167/* call with stream_mutex locked */
168static void usb6fire_pcm_stream_stop(struct pcm_runtime *rt)
169{
170 int i;
171
172 if (rt->stream_state != STREAM_DISABLED) {
173 for (i = 0; i < PCM_N_URBS; i++) {
174 usb_kill_urb(&rt->in_urbs[i].instance);
175 usb_kill_urb(&rt->out_urbs[i].instance);
176 }
177 rt->stream_state = STREAM_DISABLED;
178 }
179}
180
181/* call with stream_mutex locked */
182static int usb6fire_pcm_stream_start(struct pcm_runtime *rt)
183{
184 int ret;
185 int i;
186 int k;
187 struct usb_iso_packet_descriptor *packet;
188
189 if (rt->stream_state == STREAM_DISABLED) {
190 /* submit our in urbs */
191 rt->stream_wait_cond = false;
192 rt->stream_state = STREAM_STARTING;
193 for (i = 0; i < PCM_N_URBS; i++) {
194 for (k = 0; k < PCM_N_PACKETS_PER_URB; k++) {
195 packet = &rt->in_urbs[i].packets[k];
196 packet->offset = k * rt->in_packet_size;
197 packet->length = rt->in_packet_size;
198 packet->actual_length = 0;
199 packet->status = 0;
200 }
201 ret = usb_submit_urb(&rt->in_urbs[i].instance,
202 GFP_ATOMIC);
203 if (ret) {
204 usb6fire_pcm_stream_stop(rt);
205 return ret;
206 }
207 }
208
209 /* wait for first out urb to return (sent in in urb handler) */
210 wait_event_timeout(rt->stream_wait_queue, rt->stream_wait_cond,
211 HZ);
212 if (rt->stream_wait_cond)
213 rt->stream_state = STREAM_RUNNING;
214 else {
215 usb6fire_pcm_stream_stop(rt);
216 return -EIO;
217 }
218 }
219 return 0;
220}
221
222/* call with substream locked */
223static void usb6fire_pcm_capture(struct pcm_substream *sub, struct pcm_urb *urb)
224{
225 int i;
226 int frame;
227 int frame_count;
228 unsigned int total_length = 0;
229 struct pcm_runtime *rt = snd_pcm_substream_chip(sub->instance);
230 struct snd_pcm_runtime *alsa_rt = sub->instance->runtime;
231 u32 *src = (u32 *) urb->buffer;
232 u32 *dest = (u32 *) (alsa_rt->dma_area + sub->dma_off
233 * (alsa_rt->frame_bits >> 3));
234 u32 *dest_end = (u32 *) (alsa_rt->dma_area + alsa_rt->buffer_size
235 * (alsa_rt->frame_bits >> 3));
236 int bytes_per_frame = alsa_rt->channels << 2;
237
238 for (i = 0; i < PCM_N_PACKETS_PER_URB; i++) {
239 /* at least 4 header bytes for valid packet.
240 * after that: 32 bits per sample for analog channels */
241 if (urb->packets[i].actual_length > 4)
242 frame_count = (urb->packets[i].actual_length - 4)
243 / (rt->in_n_analog << 2);
244 else
245 frame_count = 0;
246
247 src = (u32 *) (urb->buffer + total_length);
248 src++; /* skip leading 4 bytes of every packet */
249 total_length += urb->packets[i].length;
250 for (frame = 0; frame < frame_count; frame++) {
251 memcpy(dest, src, bytes_per_frame);
252 dest += alsa_rt->channels;
253 src += rt->in_n_analog;
254 sub->dma_off++;
255 sub->period_off++;
256 if (dest == dest_end) {
257 sub->dma_off = 0;
258 dest = (u32 *) alsa_rt->dma_area;
259 }
260 }
261 }
262}
263
264/* call with substream locked */
265static void usb6fire_pcm_playback(struct pcm_substream *sub,
266 struct pcm_urb *urb)
267{
268 int i;
269 int frame;
270 int frame_count;
271 struct pcm_runtime *rt = snd_pcm_substream_chip(sub->instance);
272 struct snd_pcm_runtime *alsa_rt = sub->instance->runtime;
273 u32 *src = (u32 *) (alsa_rt->dma_area + sub->dma_off
274 * (alsa_rt->frame_bits >> 3));
275 u32 *src_end = (u32 *) (alsa_rt->dma_area + alsa_rt->buffer_size
276 * (alsa_rt->frame_bits >> 3));
277 u32 *dest = (u32 *) urb->buffer;
278 int bytes_per_frame = alsa_rt->channels << 2;
279
280 for (i = 0; i < PCM_N_PACKETS_PER_URB; i++) {
281 /* at least 4 header bytes for valid packet.
282 * after that: 32 bits per sample for analog channels */
283 if (urb->packets[i].length > 4)
284 frame_count = (urb->packets[i].length - 4)
285 / (rt->out_n_analog << 2);
286 else
287 frame_count = 0;
288 dest++; /* skip leading 4 bytes of every frame */
289 for (frame = 0; frame < frame_count; frame++) {
290 memcpy(dest, src, bytes_per_frame);
291 src += alsa_rt->channels;
292 dest += rt->out_n_analog;
293 sub->dma_off++;
294 sub->period_off++;
295 if (src == src_end) {
296 src = (u32 *) alsa_rt->dma_area;
297 sub->dma_off = 0;
298 }
299 }
300 }
301}
302
303static void usb6fire_pcm_in_urb_handler(struct urb *usb_urb)
304{
305 struct pcm_urb *in_urb = usb_urb->context;
306 struct pcm_urb *out_urb = in_urb->peer;
307 struct pcm_runtime *rt = in_urb->chip->pcm;
308 struct pcm_substream *sub;
309 unsigned long flags;
310 int total_length = 0;
311 int frame_count;
312 int frame;
313 int channel;
314 int i;
315 u8 *dest;
316
317 if (usb_urb->status || rt->panic || rt->stream_state == STREAM_STOPPING)
318 return;
319 for (i = 0; i < PCM_N_PACKETS_PER_URB; i++)
320 if (in_urb->packets[i].status) {
321 rt->panic = true;
322 return;
323 }
324
325 if (rt->stream_state == STREAM_DISABLED) {
326 snd_printk(KERN_ERR PREFIX "internal error: "
327 "stream disabled in in-urb handler.\n");
328 return;
329 }
330
331 /* receive our capture data */
332 sub = &rt->capture;
333 spin_lock_irqsave(&sub->lock, flags);
334 if (sub->active) {
335 usb6fire_pcm_capture(sub, in_urb);
336 if (sub->period_off >= sub->instance->runtime->period_size) {
337 sub->period_off %= sub->instance->runtime->period_size;
338 spin_unlock_irqrestore(&sub->lock, flags);
339 snd_pcm_period_elapsed(sub->instance);
340 } else
341 spin_unlock_irqrestore(&sub->lock, flags);
342 } else
343 spin_unlock_irqrestore(&sub->lock, flags);
344
345 /* setup out urb structure */
346 for (i = 0; i < PCM_N_PACKETS_PER_URB; i++) {
347 out_urb->packets[i].offset = total_length;
348 out_urb->packets[i].length = (in_urb->packets[i].actual_length
349 - 4) / (rt->in_n_analog << 2)
350 * (rt->out_n_analog << 2) + 4;
351 out_urb->packets[i].status = 0;
352 total_length += out_urb->packets[i].length;
353 }
354 memset(out_urb->buffer, 0, total_length);
355
356 /* now send our playback data (if a free out urb was found) */
357 sub = &rt->playback;
358 spin_lock_irqsave(&sub->lock, flags);
359 if (sub->active) {
360 usb6fire_pcm_playback(sub, out_urb);
361 if (sub->period_off >= sub->instance->runtime->period_size) {
362 sub->period_off %= sub->instance->runtime->period_size;
363 spin_unlock_irqrestore(&sub->lock, flags);
364 snd_pcm_period_elapsed(sub->instance);
365 } else
366 spin_unlock_irqrestore(&sub->lock, flags);
367 } else
368 spin_unlock_irqrestore(&sub->lock, flags);
369
370 /* setup the 4th byte of each sample (0x40 for analog channels) */
371 dest = out_urb->buffer;
372 for (i = 0; i < PCM_N_PACKETS_PER_URB; i++)
373 if (out_urb->packets[i].length >= 4) {
374 frame_count = (out_urb->packets[i].length - 4)
375 / (rt->out_n_analog << 2);
376 *(dest++) = 0xaa;
377 *(dest++) = 0xaa;
378 *(dest++) = frame_count;
379 *(dest++) = 0x00;
380 for (frame = 0; frame < frame_count; frame++)
381 for (channel = 0;
382 channel < rt->out_n_analog;
383 channel++) {
384 dest += 3; /* skip sample data */
385 *(dest++) = 0x40;
386 }
387 }
388 usb_submit_urb(&out_urb->instance, GFP_ATOMIC);
389 usb_submit_urb(&in_urb->instance, GFP_ATOMIC);
390}
391
392static void usb6fire_pcm_out_urb_handler(struct urb *usb_urb)
393{
394 struct pcm_urb *urb = usb_urb->context;
395 struct pcm_runtime *rt = urb->chip->pcm;
396
397 if (rt->stream_state == STREAM_STARTING) {
398 rt->stream_wait_cond = true;
399 wake_up(&rt->stream_wait_queue);
400 }
401}
402
403static int usb6fire_pcm_open(struct snd_pcm_substream *alsa_sub)
404{
405 struct pcm_runtime *rt = snd_pcm_substream_chip(alsa_sub);
406 struct pcm_substream *sub = NULL;
407 struct snd_pcm_runtime *alsa_rt = alsa_sub->runtime;
408
409 if (rt->panic)
410 return -EPIPE;
411
412 mutex_lock(&rt->stream_mutex);
413 alsa_rt->hw = pcm_hw;
414
415 if (alsa_sub->stream == SNDRV_PCM_STREAM_PLAYBACK) {
416 if (rt->rate >= 0)
417 alsa_rt->hw.rates = rates_alsaid[rt->rate];
418 alsa_rt->hw.channels_max = OUT_N_CHANNELS;
419 sub = &rt->playback;
420 } else if (alsa_sub->stream == SNDRV_PCM_STREAM_CAPTURE) {
421 if (rt->rate >= 0)
422 alsa_rt->hw.rates = rates_alsaid[rt->rate];
423 alsa_rt->hw.channels_max = IN_N_CHANNELS;
424 sub = &rt->capture;
425 }
426
427 if (!sub) {
428 mutex_unlock(&rt->stream_mutex);
429 snd_printk(KERN_ERR PREFIX "invalid stream type.\n");
430 return -EINVAL;
431 }
432
433 sub->instance = alsa_sub;
434 sub->active = false;
435 mutex_unlock(&rt->stream_mutex);
436 return 0;
437}
438
439static int usb6fire_pcm_close(struct snd_pcm_substream *alsa_sub)
440{
441 struct pcm_runtime *rt = snd_pcm_substream_chip(alsa_sub);
442 struct pcm_substream *sub = usb6fire_pcm_get_substream(alsa_sub);
443 unsigned long flags;
444
445 if (rt->panic)
446 return 0;
447
448 mutex_lock(&rt->stream_mutex);
449 if (sub) {
450 /* deactivate substream */
451 spin_lock_irqsave(&sub->lock, flags);
452 sub->instance = NULL;
453 sub->active = false;
454 spin_unlock_irqrestore(&sub->lock, flags);
455
456 /* all substreams closed? if so, stop streaming */
457 if (!rt->playback.instance && !rt->capture.instance) {
458 usb6fire_pcm_stream_stop(rt);
459 rt->rate = -1;
460 }
461 }
462 mutex_unlock(&rt->stream_mutex);
463 return 0;
464}
465
466static int usb6fire_pcm_hw_params(struct snd_pcm_substream *alsa_sub,
467 struct snd_pcm_hw_params *hw_params)
468{
469 return snd_pcm_lib_malloc_pages(alsa_sub,
470 params_buffer_bytes(hw_params));
471}
472
473static int usb6fire_pcm_hw_free(struct snd_pcm_substream *alsa_sub)
474{
475 return snd_pcm_lib_free_pages(alsa_sub);
476}
477
478static int usb6fire_pcm_prepare(struct snd_pcm_substream *alsa_sub)
479{
480 struct pcm_runtime *rt = snd_pcm_substream_chip(alsa_sub);
481 struct pcm_substream *sub = usb6fire_pcm_get_substream(alsa_sub);
482 struct snd_pcm_runtime *alsa_rt = alsa_sub->runtime;
483 int i;
484 int ret;
485
486 if (rt->panic)
487 return -EPIPE;
488 if (!sub)
489 return -ENODEV;
490
491 mutex_lock(&rt->stream_mutex);
492 sub->dma_off = 0;
493 sub->period_off = 0;
494
495 if (rt->stream_state == STREAM_DISABLED) {
496 rt->rate = -1;
497 for (i = 0; i < ARRAY_SIZE(rates); i++)
498 if (alsa_rt->rate == rates[i]) {
499 rt->rate = i;
500 break;
501 }
502 if (rt->rate == -1) {
503 mutex_unlock(&rt->stream_mutex);
504 snd_printk("invalid rate %d in prepare.\n",
505 alsa_rt->rate);
506 return -EINVAL;
507 }
508
509 ret = usb6fire_pcm_set_rate(rt);
510 if (ret) {
511 mutex_unlock(&rt->stream_mutex);
512 return ret;
513 }
514 ret = usb6fire_pcm_stream_start(rt);
515 if (ret) {
516 mutex_unlock(&rt->stream_mutex);
517 snd_printk(KERN_ERR PREFIX
518 "could not start pcm stream.\n");
519 return ret;
520 }
521 }
522 mutex_unlock(&rt->stream_mutex);
523 return 0;
524}
525
526static int usb6fire_pcm_trigger(struct snd_pcm_substream *alsa_sub, int cmd)
527{
528 struct pcm_substream *sub = usb6fire_pcm_get_substream(alsa_sub);
529 struct pcm_runtime *rt = snd_pcm_substream_chip(alsa_sub);
530 unsigned long flags;
531
532 if (rt->panic)
533 return -EPIPE;
534 if (!sub)
535 return -ENODEV;
536
537 switch (cmd) {
538 case SNDRV_PCM_TRIGGER_START:
539 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
540 spin_lock_irqsave(&sub->lock, flags);
541 sub->active = true;
542 spin_unlock_irqrestore(&sub->lock, flags);
543 return 0;
544
545 case SNDRV_PCM_TRIGGER_STOP:
546 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
547 spin_lock_irqsave(&sub->lock, flags);
548 sub->active = false;
549 spin_unlock_irqrestore(&sub->lock, flags);
550 return 0;
551
552 default:
553 return -EINVAL;
554 }
555}
556
557static snd_pcm_uframes_t usb6fire_pcm_pointer(
558 struct snd_pcm_substream *alsa_sub)
559{
560 struct pcm_substream *sub = usb6fire_pcm_get_substream(alsa_sub);
561 struct pcm_runtime *rt = snd_pcm_substream_chip(alsa_sub);
562 unsigned long flags;
563 snd_pcm_uframes_t ret;
564
565 if (rt->panic || !sub)
566 return SNDRV_PCM_STATE_XRUN;
567
568 spin_lock_irqsave(&sub->lock, flags);
569 ret = sub->dma_off;
570 spin_unlock_irqrestore(&sub->lock, flags);
571 return ret;
572}
573
574static struct snd_pcm_ops pcm_ops = {
575 .open = usb6fire_pcm_open,
576 .close = usb6fire_pcm_close,
577 .ioctl = snd_pcm_lib_ioctl,
578 .hw_params = usb6fire_pcm_hw_params,
579 .hw_free = usb6fire_pcm_hw_free,
580 .prepare = usb6fire_pcm_prepare,
581 .trigger = usb6fire_pcm_trigger,
582 .pointer = usb6fire_pcm_pointer,
583};
584
585static void __devinit usb6fire_pcm_init_urb(struct pcm_urb *urb,
586 struct sfire_chip *chip, bool in, int ep,
587 void (*handler)(struct urb *))
588{
589 urb->chip = chip;
590 usb_init_urb(&urb->instance);
591 urb->instance.transfer_buffer = urb->buffer;
592 urb->instance.transfer_buffer_length =
593 PCM_N_PACKETS_PER_URB * PCM_MAX_PACKET_SIZE;
594 urb->instance.dev = chip->dev;
595 urb->instance.pipe = in ? usb_rcvisocpipe(chip->dev, ep)
596 : usb_sndisocpipe(chip->dev, ep);
597 urb->instance.interval = 1;
598 urb->instance.transfer_flags = URB_ISO_ASAP;
599 urb->instance.complete = handler;
600 urb->instance.context = urb;
601 urb->instance.number_of_packets = PCM_N_PACKETS_PER_URB;
602}
603
604int __devinit usb6fire_pcm_init(struct sfire_chip *chip)
605{
606 int i;
607 int ret;
608 struct snd_pcm *pcm;
609 struct pcm_runtime *rt =
610 kzalloc(sizeof(struct pcm_runtime), GFP_KERNEL);
611
612 if (!rt)
613 return -ENOMEM;
614
615 rt->chip = chip;
616 rt->stream_state = STREAM_DISABLED;
617 rt->rate = -1;
618 init_waitqueue_head(&rt->stream_wait_queue);
619 mutex_init(&rt->stream_mutex);
620
621 spin_lock_init(&rt->playback.lock);
622 spin_lock_init(&rt->capture.lock);
623
624 for (i = 0; i < PCM_N_URBS; i++) {
625 usb6fire_pcm_init_urb(&rt->in_urbs[i], chip, true, IN_EP,
626 usb6fire_pcm_in_urb_handler);
627 usb6fire_pcm_init_urb(&rt->out_urbs[i], chip, false, OUT_EP,
628 usb6fire_pcm_out_urb_handler);
629
630 rt->in_urbs[i].peer = &rt->out_urbs[i];
631 rt->out_urbs[i].peer = &rt->in_urbs[i];
632 }
633
634 ret = snd_pcm_new(chip->card, "DMX6FireUSB", 0, 1, 1, &pcm);
635 if (ret < 0) {
636 kfree(rt);
637 snd_printk(KERN_ERR PREFIX "cannot create pcm instance.\n");
638 return ret;
639 }
640
641 pcm->private_data = rt;
642 strcpy(pcm->name, "DMX 6Fire USB");
643 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pcm_ops);
644 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcm_ops);
645
646 ret = snd_pcm_lib_preallocate_pages_for_all(pcm,
647 SNDRV_DMA_TYPE_CONTINUOUS,
648 snd_dma_continuous_data(GFP_KERNEL),
649 MAX_BUFSIZE, MAX_BUFSIZE);
650 if (ret) {
651 kfree(rt);
652 snd_printk(KERN_ERR PREFIX
653 "error preallocating pcm buffers.\n");
654 return ret;
655 }
656 rt->instance = pcm;
657
658 chip->pcm = rt;
659 return 0;
660}
661
662void usb6fire_pcm_abort(struct sfire_chip *chip)
663{
664 struct pcm_runtime *rt = chip->pcm;
665 int i;
666
667 if (rt) {
668 rt->panic = true;
669
670 if (rt->playback.instance)
671 snd_pcm_stop(rt->playback.instance,
672 SNDRV_PCM_STATE_XRUN);
673 if (rt->capture.instance)
674 snd_pcm_stop(rt->capture.instance,
675 SNDRV_PCM_STATE_XRUN);
676
677 for (i = 0; i < PCM_N_URBS; i++) {
678 usb_poison_urb(&rt->in_urbs[i].instance);
679 usb_poison_urb(&rt->out_urbs[i].instance);
680 }
681
682 }
683}
684
685void usb6fire_pcm_destroy(struct sfire_chip *chip)
686{
687 kfree(chip->pcm);
688 chip->pcm = NULL;
689}
diff --git a/sound/usb/6fire/pcm.h b/sound/usb/6fire/pcm.h
new file mode 100644
index 000000000000..2bee81374002
--- /dev/null
+++ b/sound/usb/6fire/pcm.h
@@ -0,0 +1,76 @@
1/*
2 * Linux driver for TerraTec DMX 6Fire USB
3 *
4 * Author: Torsten Schenk <torsten.schenk@zoho.com>
5 * Created: Jan 01, 2011
6 * Version: 0.3.0
7 * Copyright: (C) Torsten Schenk
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 */
14
15#ifndef USB6FIRE_PCM_H
16#define USB6FIRE_PCM_H
17
18#include <sound/pcm.h>
19#include <linux/mutex.h>
20
21#include "common.h"
22
23enum /* settings for pcm */
24{
25 /* maximum of EP_W_MAX_PACKET_SIZE[] (see firmware.c) */
26 PCM_N_URBS = 16, PCM_N_PACKETS_PER_URB = 8, PCM_MAX_PACKET_SIZE = 604
27};
28
29struct pcm_urb {
30 struct sfire_chip *chip;
31
32 /* BEGIN DO NOT SEPARATE */
33 struct urb instance;
34 struct usb_iso_packet_descriptor packets[PCM_N_PACKETS_PER_URB];
35 /* END DO NOT SEPARATE */
36 u8 buffer[PCM_N_PACKETS_PER_URB * PCM_MAX_PACKET_SIZE];
37
38 struct pcm_urb *peer;
39};
40
41struct pcm_substream {
42 spinlock_t lock;
43 struct snd_pcm_substream *instance;
44
45 bool active;
46
47 snd_pcm_uframes_t dma_off; /* current position in alsa dma_area */
48 snd_pcm_uframes_t period_off; /* current position in current period */
49};
50
51struct pcm_runtime {
52 struct sfire_chip *chip;
53 struct snd_pcm *instance;
54
55 struct pcm_substream playback;
56 struct pcm_substream capture;
57 bool panic; /* if set driver won't do anymore pcm on device */
58
59 struct pcm_urb in_urbs[PCM_N_URBS];
60 struct pcm_urb out_urbs[PCM_N_URBS];
61 int in_packet_size;
62 int out_packet_size;
63 int in_n_analog; /* number of analog channels soundcard sends */
64 int out_n_analog; /* number of analog channels soundcard receives */
65
66 struct mutex stream_mutex;
67 u8 stream_state; /* one of STREAM_XXX (pcm.c) */
68 u8 rate; /* one of PCM_RATE_XXX */
69 wait_queue_head_t stream_wait_queue;
70 bool stream_wait_cond;
71};
72
73int __devinit usb6fire_pcm_init(struct sfire_chip *chip);
74void usb6fire_pcm_abort(struct sfire_chip *chip);
75void usb6fire_pcm_destroy(struct sfire_chip *chip);
76#endif /* USB6FIRE_PCM_H */
diff --git a/sound/usb/Kconfig b/sound/usb/Kconfig
index 112984f4080f..0fefdb4021a4 100644
--- a/sound/usb/Kconfig
+++ b/sound/usb/Kconfig
@@ -97,5 +97,21 @@ config SND_USB_US122L
97 To compile this driver as a module, choose M here: the module 97 To compile this driver as a module, choose M here: the module
98 will be called snd-usb-us122l. 98 will be called snd-usb-us122l.
99 99
100config SND_USB_6FIRE
101 tristate "TerraTec DMX 6Fire USB"
102 depends on EXPERIMENTAL
103 select FW_LOADER
104 select SND_RAWMIDI
105 select SND_PCM
106 help
107 Say Y here to include support for TerraTec 6fire DMX USB interface.
108
109 You will need firmware files in order to be able to use the device
110 after it has been coldstarted. This driver currently does not support
111 firmware loading for all devices. If you own such a device,
112 you could start windows and let the windows driver upload
113 the firmware. As long as you do not unplug your device from power,
114 it should be usable.
115
100endif # SND_USB 116endif # SND_USB
101 117
diff --git a/sound/usb/Makefile b/sound/usb/Makefile
index 1e362bf8834f..cf9ed66445fa 100644
--- a/sound/usb/Makefile
+++ b/sound/usb/Makefile
@@ -23,4 +23,4 @@ obj-$(CONFIG_SND_USB_UA101) += snd-usbmidi-lib.o
23obj-$(CONFIG_SND_USB_USX2Y) += snd-usbmidi-lib.o 23obj-$(CONFIG_SND_USB_USX2Y) += snd-usbmidi-lib.o
24obj-$(CONFIG_SND_USB_US122L) += snd-usbmidi-lib.o 24obj-$(CONFIG_SND_USB_US122L) += snd-usbmidi-lib.o
25 25
26obj-$(CONFIG_SND) += misc/ usx2y/ caiaq/ 26obj-$(CONFIG_SND) += misc/ usx2y/ caiaq/ 6fire/
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-04 01:08:26 -0500