Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 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 |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 8 | * Copyright: (C) Torsten Schenk |
| 9 | * |
Torsten Schenk | f90ffbf | 2012-02-22 15:21:12 +0100 | [diff] [blame^] | 10 | * Thanks to: |
| 11 | * - Holger Ruckdeschel: he found out how to control individual channel |
| 12 | * volumes and introduced mute switch |
| 13 | * |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 14 | * This program is free software; you can redistribute it and/or modify |
| 15 | * it under the terms of the GNU General Public License as published by |
| 16 | * the Free Software Foundation; either version 2 of the License, or |
| 17 | * (at your option) any later version. |
| 18 | */ |
| 19 | |
| 20 | #include <linux/interrupt.h> |
| 21 | #include <sound/control.h> |
Torsten Schenk | 8e247a9 | 2012-02-22 15:20:54 +0100 | [diff] [blame] | 22 | #include <sound/tlv.h> |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 23 | |
| 24 | #include "control.h" |
| 25 | #include "comm.h" |
| 26 | #include "chip.h" |
| 27 | |
| 28 | static char *opt_coax_texts[2] = { "Optical", "Coax" }; |
| 29 | static char *line_phono_texts[2] = { "Line", "Phono" }; |
| 30 | |
| 31 | /* |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 32 | * data that needs to be sent to device. sets up card internal stuff. |
| 33 | * values dumped from windows driver and filtered by trial'n'error. |
| 34 | */ |
| 35 | static const struct { |
| 36 | u8 type; |
| 37 | u8 reg; |
| 38 | u8 value; |
| 39 | } |
| 40 | init_data[] = { |
| 41 | { 0x22, 0x00, 0x00 }, { 0x20, 0x00, 0x08 }, { 0x22, 0x01, 0x01 }, |
| 42 | { 0x20, 0x01, 0x08 }, { 0x22, 0x02, 0x00 }, { 0x20, 0x02, 0x08 }, |
| 43 | { 0x22, 0x03, 0x00 }, { 0x20, 0x03, 0x08 }, { 0x22, 0x04, 0x00 }, |
| 44 | { 0x20, 0x04, 0x08 }, { 0x22, 0x05, 0x01 }, { 0x20, 0x05, 0x08 }, |
| 45 | { 0x22, 0x04, 0x01 }, { 0x12, 0x04, 0x00 }, { 0x12, 0x05, 0x00 }, |
Torsten Schenk | f90ffbf | 2012-02-22 15:21:12 +0100 | [diff] [blame^] | 46 | { 0x12, 0x0d, 0x38 }, { 0x12, 0x21, 0x82 }, { 0x12, 0x22, 0x80 }, |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 47 | { 0x12, 0x23, 0x00 }, { 0x12, 0x06, 0x02 }, { 0x12, 0x03, 0x00 }, |
| 48 | { 0x12, 0x02, 0x00 }, { 0x22, 0x03, 0x01 }, |
| 49 | { 0 } /* TERMINATING ENTRY */ |
| 50 | }; |
| 51 | |
Torsten Schenk | 2475b0d | 2011-04-04 11:50:53 +0200 | [diff] [blame] | 52 | static const int rates_altsetting[] = { 1, 1, 2, 2, 3, 3 }; |
| 53 | /* values to write to soundcard register for all samplerates */ |
| 54 | static const u16 rates_6fire_vl[] = {0x00, 0x01, 0x00, 0x01, 0x00, 0x01}; |
| 55 | static const u16 rates_6fire_vh[] = {0x11, 0x11, 0x10, 0x10, 0x00, 0x00}; |
| 56 | |
Torsten Schenk | 8e247a9 | 2012-02-22 15:20:54 +0100 | [diff] [blame] | 57 | static DECLARE_TLV_DB_MINMAX(tlv_output, -9000, 0); |
| 58 | |
Torsten Schenk | 2475b0d | 2011-04-04 11:50:53 +0200 | [diff] [blame] | 59 | enum { |
| 60 | DIGITAL_THRU_ONLY_SAMPLERATE = 3 |
| 61 | }; |
| 62 | |
Torsten Schenk | f90ffbf | 2012-02-22 15:21:12 +0100 | [diff] [blame^] | 63 | static void usb6fire_control_output_vol_update(struct control_runtime *rt) |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 64 | { |
| 65 | struct comm_runtime *comm_rt = rt->chip->comm; |
Torsten Schenk | f90ffbf | 2012-02-22 15:21:12 +0100 | [diff] [blame^] | 66 | int i; |
| 67 | |
| 68 | if (comm_rt) |
| 69 | for (i = 0; i < 6; i++) |
| 70 | if (!(rt->ovol_updated & (1 << i))) { |
| 71 | comm_rt->write8(comm_rt, 0x12, 0x0f + i, |
| 72 | 180 - rt->output_vol[i]); |
| 73 | rt->ovol_updated |= 1 << i; |
| 74 | } |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 75 | } |
| 76 | |
| 77 | static void usb6fire_control_line_phono_update(struct control_runtime *rt) |
| 78 | { |
| 79 | struct comm_runtime *comm_rt = rt->chip->comm; |
| 80 | if (comm_rt) { |
| 81 | comm_rt->write8(comm_rt, 0x22, 0x02, rt->line_phono_switch); |
| 82 | comm_rt->write8(comm_rt, 0x21, 0x02, rt->line_phono_switch); |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | static void usb6fire_control_opt_coax_update(struct control_runtime *rt) |
| 87 | { |
| 88 | struct comm_runtime *comm_rt = rt->chip->comm; |
| 89 | if (comm_rt) { |
| 90 | comm_rt->write8(comm_rt, 0x22, 0x00, rt->opt_coax_switch); |
| 91 | comm_rt->write8(comm_rt, 0x21, 0x00, rt->opt_coax_switch); |
| 92 | } |
| 93 | } |
| 94 | |
Torsten Schenk | 2475b0d | 2011-04-04 11:50:53 +0200 | [diff] [blame] | 95 | static int usb6fire_control_set_rate(struct control_runtime *rt, int rate) |
| 96 | { |
| 97 | int ret; |
| 98 | struct usb_device *device = rt->chip->dev; |
| 99 | struct comm_runtime *comm_rt = rt->chip->comm; |
| 100 | |
| 101 | if (rate < 0 || rate >= CONTROL_N_RATES) |
| 102 | return -EINVAL; |
| 103 | |
| 104 | ret = usb_set_interface(device, 1, rates_altsetting[rate]); |
| 105 | if (ret < 0) |
| 106 | return ret; |
| 107 | |
| 108 | /* set soundcard clock */ |
| 109 | ret = comm_rt->write16(comm_rt, 0x02, 0x01, rates_6fire_vl[rate], |
| 110 | rates_6fire_vh[rate]); |
| 111 | if (ret < 0) |
| 112 | return ret; |
| 113 | |
| 114 | return 0; |
| 115 | } |
| 116 | |
| 117 | static int usb6fire_control_set_channels( |
| 118 | struct control_runtime *rt, int n_analog_out, |
| 119 | int n_analog_in, bool spdif_out, bool spdif_in) |
| 120 | { |
| 121 | int ret; |
| 122 | struct comm_runtime *comm_rt = rt->chip->comm; |
| 123 | |
| 124 | /* enable analog inputs and outputs |
| 125 | * (one bit per stereo-channel) */ |
| 126 | ret = comm_rt->write16(comm_rt, 0x02, 0x02, |
| 127 | (1 << (n_analog_out / 2)) - 1, |
| 128 | (1 << (n_analog_in / 2)) - 1); |
| 129 | if (ret < 0) |
| 130 | return ret; |
| 131 | |
| 132 | /* disable digital inputs and outputs */ |
| 133 | /* TODO: use spdif_x to enable/disable digital channels */ |
| 134 | ret = comm_rt->write16(comm_rt, 0x02, 0x03, 0x00, 0x00); |
| 135 | if (ret < 0) |
| 136 | return ret; |
| 137 | |
| 138 | return 0; |
| 139 | } |
| 140 | |
| 141 | static int usb6fire_control_streaming_update(struct control_runtime *rt) |
| 142 | { |
| 143 | struct comm_runtime *comm_rt = rt->chip->comm; |
| 144 | |
| 145 | if (comm_rt) { |
| 146 | if (!rt->usb_streaming && rt->digital_thru_switch) |
| 147 | usb6fire_control_set_rate(rt, |
| 148 | DIGITAL_THRU_ONLY_SAMPLERATE); |
| 149 | return comm_rt->write16(comm_rt, 0x02, 0x00, 0x00, |
| 150 | (rt->usb_streaming ? 0x01 : 0x00) | |
| 151 | (rt->digital_thru_switch ? 0x08 : 0x00)); |
| 152 | } |
| 153 | return -EINVAL; |
| 154 | } |
| 155 | |
Torsten Schenk | f90ffbf | 2012-02-22 15:21:12 +0100 | [diff] [blame^] | 156 | static int usb6fire_control_output_vol_info(struct snd_kcontrol *kcontrol, |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 157 | struct snd_ctl_elem_info *uinfo) |
| 158 | { |
| 159 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
Torsten Schenk | f90ffbf | 2012-02-22 15:21:12 +0100 | [diff] [blame^] | 160 | uinfo->count = 2; |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 161 | uinfo->value.integer.min = 0; |
Torsten Schenk | 8e247a9 | 2012-02-22 15:20:54 +0100 | [diff] [blame] | 162 | uinfo->value.integer.max = 180; |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 163 | return 0; |
| 164 | } |
| 165 | |
Torsten Schenk | f90ffbf | 2012-02-22 15:21:12 +0100 | [diff] [blame^] | 166 | static int usb6fire_control_output_vol_put(struct snd_kcontrol *kcontrol, |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 167 | struct snd_ctl_elem_value *ucontrol) |
| 168 | { |
| 169 | struct control_runtime *rt = snd_kcontrol_chip(kcontrol); |
Torsten Schenk | f90ffbf | 2012-02-22 15:21:12 +0100 | [diff] [blame^] | 170 | unsigned int ch = kcontrol->private_value; |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 171 | int changed = 0; |
Torsten Schenk | f90ffbf | 2012-02-22 15:21:12 +0100 | [diff] [blame^] | 172 | |
| 173 | if (ch > 4) { |
| 174 | snd_printk(KERN_ERR PREFIX "Invalid channel in volume control."); |
| 175 | return -EINVAL; |
| 176 | } |
| 177 | |
| 178 | if (rt->output_vol[ch] != ucontrol->value.integer.value[0]) { |
| 179 | rt->output_vol[ch] = ucontrol->value.integer.value[0]; |
| 180 | rt->ovol_updated &= ~(1 << ch); |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 181 | changed = 1; |
| 182 | } |
Torsten Schenk | f90ffbf | 2012-02-22 15:21:12 +0100 | [diff] [blame^] | 183 | if (rt->output_vol[ch + 1] != ucontrol->value.integer.value[1]) { |
| 184 | rt->output_vol[ch + 1] = ucontrol->value.integer.value[1]; |
| 185 | rt->ovol_updated &= ~(2 << ch); |
| 186 | changed = 1; |
| 187 | } |
| 188 | |
| 189 | if (changed) |
| 190 | usb6fire_control_output_vol_update(rt); |
| 191 | |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 192 | return changed; |
| 193 | } |
| 194 | |
Torsten Schenk | f90ffbf | 2012-02-22 15:21:12 +0100 | [diff] [blame^] | 195 | static int usb6fire_control_output_vol_get(struct snd_kcontrol *kcontrol, |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 196 | struct snd_ctl_elem_value *ucontrol) |
| 197 | { |
| 198 | struct control_runtime *rt = snd_kcontrol_chip(kcontrol); |
Torsten Schenk | f90ffbf | 2012-02-22 15:21:12 +0100 | [diff] [blame^] | 199 | unsigned int ch = kcontrol->private_value; |
| 200 | |
| 201 | if (ch > 4) { |
| 202 | snd_printk(KERN_ERR PREFIX "Invalid channel in volume control."); |
| 203 | return -EINVAL; |
| 204 | } |
| 205 | |
| 206 | ucontrol->value.integer.value[0] = rt->output_vol[ch]; |
| 207 | ucontrol->value.integer.value[1] = rt->output_vol[ch + 1]; |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 208 | return 0; |
| 209 | } |
| 210 | |
| 211 | static int usb6fire_control_line_phono_info(struct snd_kcontrol *kcontrol, |
| 212 | struct snd_ctl_elem_info *uinfo) |
| 213 | { |
| 214 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; |
| 215 | uinfo->count = 1; |
| 216 | uinfo->value.enumerated.items = 2; |
| 217 | if (uinfo->value.enumerated.item > 1) |
| 218 | uinfo->value.enumerated.item = 1; |
| 219 | strcpy(uinfo->value.enumerated.name, |
| 220 | line_phono_texts[uinfo->value.enumerated.item]); |
| 221 | return 0; |
| 222 | } |
| 223 | |
| 224 | static int usb6fire_control_line_phono_put(struct snd_kcontrol *kcontrol, |
| 225 | struct snd_ctl_elem_value *ucontrol) |
| 226 | { |
| 227 | struct control_runtime *rt = snd_kcontrol_chip(kcontrol); |
| 228 | int changed = 0; |
| 229 | if (rt->line_phono_switch != ucontrol->value.integer.value[0]) { |
| 230 | rt->line_phono_switch = ucontrol->value.integer.value[0]; |
| 231 | usb6fire_control_line_phono_update(rt); |
| 232 | changed = 1; |
| 233 | } |
| 234 | return changed; |
| 235 | } |
| 236 | |
| 237 | static int usb6fire_control_line_phono_get(struct snd_kcontrol *kcontrol, |
| 238 | struct snd_ctl_elem_value *ucontrol) |
| 239 | { |
| 240 | struct control_runtime *rt = snd_kcontrol_chip(kcontrol); |
| 241 | ucontrol->value.integer.value[0] = rt->line_phono_switch; |
| 242 | return 0; |
| 243 | } |
| 244 | |
| 245 | static int usb6fire_control_opt_coax_info(struct snd_kcontrol *kcontrol, |
| 246 | struct snd_ctl_elem_info *uinfo) |
| 247 | { |
| 248 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; |
| 249 | uinfo->count = 1; |
| 250 | uinfo->value.enumerated.items = 2; |
| 251 | if (uinfo->value.enumerated.item > 1) |
| 252 | uinfo->value.enumerated.item = 1; |
| 253 | strcpy(uinfo->value.enumerated.name, |
| 254 | opt_coax_texts[uinfo->value.enumerated.item]); |
| 255 | return 0; |
| 256 | } |
| 257 | |
| 258 | static int usb6fire_control_opt_coax_put(struct snd_kcontrol *kcontrol, |
| 259 | struct snd_ctl_elem_value *ucontrol) |
| 260 | { |
| 261 | struct control_runtime *rt = snd_kcontrol_chip(kcontrol); |
| 262 | int changed = 0; |
| 263 | |
| 264 | if (rt->opt_coax_switch != ucontrol->value.enumerated.item[0]) { |
| 265 | rt->opt_coax_switch = ucontrol->value.enumerated.item[0]; |
| 266 | usb6fire_control_opt_coax_update(rt); |
| 267 | changed = 1; |
| 268 | } |
| 269 | return changed; |
| 270 | } |
| 271 | |
| 272 | static int usb6fire_control_opt_coax_get(struct snd_kcontrol *kcontrol, |
| 273 | struct snd_ctl_elem_value *ucontrol) |
| 274 | { |
| 275 | struct control_runtime *rt = snd_kcontrol_chip(kcontrol); |
| 276 | ucontrol->value.enumerated.item[0] = rt->opt_coax_switch; |
| 277 | return 0; |
| 278 | } |
| 279 | |
Torsten Schenk | 2475b0d | 2011-04-04 11:50:53 +0200 | [diff] [blame] | 280 | static int usb6fire_control_digital_thru_put(struct snd_kcontrol *kcontrol, |
| 281 | struct snd_ctl_elem_value *ucontrol) |
| 282 | { |
| 283 | struct control_runtime *rt = snd_kcontrol_chip(kcontrol); |
| 284 | int changed = 0; |
| 285 | |
| 286 | if (rt->digital_thru_switch != ucontrol->value.integer.value[0]) { |
| 287 | rt->digital_thru_switch = ucontrol->value.integer.value[0]; |
| 288 | usb6fire_control_streaming_update(rt); |
| 289 | changed = 1; |
| 290 | } |
| 291 | return changed; |
| 292 | } |
| 293 | |
| 294 | static int usb6fire_control_digital_thru_get(struct snd_kcontrol *kcontrol, |
| 295 | struct snd_ctl_elem_value *ucontrol) |
| 296 | { |
| 297 | struct control_runtime *rt = snd_kcontrol_chip(kcontrol); |
| 298 | ucontrol->value.integer.value[0] = rt->digital_thru_switch; |
| 299 | return 0; |
| 300 | } |
| 301 | |
Torsten Schenk | f90ffbf | 2012-02-22 15:21:12 +0100 | [diff] [blame^] | 302 | static struct __devinitdata snd_kcontrol_new vol_elements[] = { |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 303 | { |
| 304 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
Torsten Schenk | f90ffbf | 2012-02-22 15:21:12 +0100 | [diff] [blame^] | 305 | .name = "Analog Playback Volume", |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 306 | .index = 0, |
Torsten Schenk | f90ffbf | 2012-02-22 15:21:12 +0100 | [diff] [blame^] | 307 | .private_value = 0, |
Torsten Schenk | 8e247a9 | 2012-02-22 15:20:54 +0100 | [diff] [blame] | 308 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | |
| 309 | SNDRV_CTL_ELEM_ACCESS_TLV_READ, |
Torsten Schenk | f90ffbf | 2012-02-22 15:21:12 +0100 | [diff] [blame^] | 310 | .info = usb6fire_control_output_vol_info, |
| 311 | .get = usb6fire_control_output_vol_get, |
| 312 | .put = usb6fire_control_output_vol_put, |
Torsten Schenk | 8e247a9 | 2012-02-22 15:20:54 +0100 | [diff] [blame] | 313 | .tlv = { .p = tlv_output } |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 314 | }, |
| 315 | { |
| 316 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
Torsten Schenk | f90ffbf | 2012-02-22 15:21:12 +0100 | [diff] [blame^] | 317 | .name = "Analog Playback Volume", |
| 318 | .index = 1, |
| 319 | .private_value = 2, |
| 320 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | |
| 321 | SNDRV_CTL_ELEM_ACCESS_TLV_READ, |
| 322 | .info = usb6fire_control_output_vol_info, |
| 323 | .get = usb6fire_control_output_vol_get, |
| 324 | .put = usb6fire_control_output_vol_put, |
| 325 | .tlv = { .p = tlv_output } |
| 326 | }, |
| 327 | { |
| 328 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 329 | .name = "Analog Playback Volume", |
| 330 | .index = 2, |
| 331 | .private_value = 4, |
| 332 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | |
| 333 | SNDRV_CTL_ELEM_ACCESS_TLV_READ, |
| 334 | .info = usb6fire_control_output_vol_info, |
| 335 | .get = usb6fire_control_output_vol_get, |
| 336 | .put = usb6fire_control_output_vol_put, |
| 337 | .tlv = { .p = tlv_output } |
| 338 | }, |
| 339 | {} |
| 340 | }; |
| 341 | |
| 342 | static struct __devinitdata snd_kcontrol_new elements[] = { |
| 343 | { |
| 344 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 345 | .name = "Line/Phono Capture Route", |
| 346 | .index = 0, |
| 347 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 348 | .info = usb6fire_control_line_phono_info, |
| 349 | .get = usb6fire_control_line_phono_get, |
| 350 | .put = usb6fire_control_line_phono_put |
| 351 | }, |
| 352 | { |
| 353 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 354 | .name = "Opt/Coax Capture Route", |
| 355 | .index = 0, |
| 356 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 357 | .info = usb6fire_control_opt_coax_info, |
| 358 | .get = usb6fire_control_opt_coax_get, |
| 359 | .put = usb6fire_control_opt_coax_put |
| 360 | }, |
Torsten Schenk | 2475b0d | 2011-04-04 11:50:53 +0200 | [diff] [blame] | 361 | { |
| 362 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 363 | .name = "Digital Thru Playback Route", |
| 364 | .index = 0, |
| 365 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 366 | .info = snd_ctl_boolean_mono_info, |
| 367 | .get = usb6fire_control_digital_thru_get, |
| 368 | .put = usb6fire_control_digital_thru_put |
| 369 | }, |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 370 | {} |
| 371 | }; |
| 372 | |
Torsten Schenk | f90ffbf | 2012-02-22 15:21:12 +0100 | [diff] [blame^] | 373 | static int usb6fire_control_add_virtual( |
| 374 | struct control_runtime *rt, |
| 375 | struct snd_card *card, |
| 376 | char *name, |
| 377 | struct snd_kcontrol_new *elems) |
| 378 | { |
| 379 | int ret; |
| 380 | int i; |
| 381 | struct snd_kcontrol *vmaster = |
| 382 | snd_ctl_make_virtual_master(name, tlv_output); |
| 383 | struct snd_kcontrol *control; |
| 384 | |
| 385 | if (!vmaster) |
| 386 | return -ENOMEM; |
| 387 | ret = snd_ctl_add(card, vmaster); |
| 388 | if (ret < 0) |
| 389 | return ret; |
| 390 | |
| 391 | i = 0; |
| 392 | while (elems[i].name) { |
| 393 | control = snd_ctl_new1(&elems[i], rt); |
| 394 | if (!control) |
| 395 | return -ENOMEM; |
| 396 | ret = snd_ctl_add(card, control); |
| 397 | if (ret < 0) |
| 398 | return ret; |
| 399 | ret = snd_ctl_add_slave(vmaster, control); |
| 400 | if (ret < 0) |
| 401 | return ret; |
| 402 | i++; |
| 403 | } |
| 404 | return 0; |
| 405 | } |
| 406 | |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 407 | int __devinit usb6fire_control_init(struct sfire_chip *chip) |
| 408 | { |
| 409 | int i; |
| 410 | int ret; |
| 411 | struct control_runtime *rt = kzalloc(sizeof(struct control_runtime), |
| 412 | GFP_KERNEL); |
| 413 | struct comm_runtime *comm_rt = chip->comm; |
| 414 | |
| 415 | if (!rt) |
| 416 | return -ENOMEM; |
| 417 | |
| 418 | rt->chip = chip; |
Torsten Schenk | 2475b0d | 2011-04-04 11:50:53 +0200 | [diff] [blame] | 419 | rt->update_streaming = usb6fire_control_streaming_update; |
| 420 | rt->set_rate = usb6fire_control_set_rate; |
| 421 | rt->set_channels = usb6fire_control_set_channels; |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 422 | |
| 423 | i = 0; |
| 424 | while (init_data[i].type) { |
| 425 | comm_rt->write8(comm_rt, init_data[i].type, init_data[i].reg, |
| 426 | init_data[i].value); |
| 427 | i++; |
| 428 | } |
| 429 | |
| 430 | usb6fire_control_opt_coax_update(rt); |
| 431 | usb6fire_control_line_phono_update(rt); |
Torsten Schenk | f90ffbf | 2012-02-22 15:21:12 +0100 | [diff] [blame^] | 432 | usb6fire_control_output_vol_update(rt); |
Torsten Schenk | 2475b0d | 2011-04-04 11:50:53 +0200 | [diff] [blame] | 433 | usb6fire_control_streaming_update(rt); |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 434 | |
Torsten Schenk | f90ffbf | 2012-02-22 15:21:12 +0100 | [diff] [blame^] | 435 | ret = usb6fire_control_add_virtual(rt, chip->card, |
| 436 | "Master Playback Volume", vol_elements); |
| 437 | if (ret) { |
| 438 | kfree(rt); |
| 439 | snd_printk(KERN_ERR PREFIX "cannot add control.\n"); |
| 440 | return ret; |
| 441 | } |
| 442 | |
Torsten Schenk | c6d43ba | 2011-01-24 18:45:30 +0100 | [diff] [blame] | 443 | i = 0; |
| 444 | while (elements[i].name) { |
| 445 | ret = snd_ctl_add(chip->card, snd_ctl_new1(&elements[i], rt)); |
| 446 | if (ret < 0) { |
| 447 | kfree(rt); |
| 448 | snd_printk(KERN_ERR PREFIX "cannot add control.\n"); |
| 449 | return ret; |
| 450 | } |
| 451 | i++; |
| 452 | } |
| 453 | |
| 454 | chip->control = rt; |
| 455 | return 0; |
| 456 | } |
| 457 | |
| 458 | void usb6fire_control_abort(struct sfire_chip *chip) |
| 459 | {} |
| 460 | |
| 461 | void usb6fire_control_destroy(struct sfire_chip *chip) |
| 462 | { |
| 463 | kfree(chip->control); |
| 464 | chip->control = NULL; |
| 465 | } |