Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 1 | /***************************************************************************** |
| 2 | * |
| 3 | * Copyright (C) 2008 Cedric Bregardis <cedric.bregardis@free.fr> and |
| 4 | * Jean-Christian Hassler <jhassler@free.fr> |
| 5 | * |
| 6 | * This file is part of the Audiowerk2 ALSA driver |
| 7 | * |
| 8 | * The Audiowerk2 ALSA driver is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; version 2. |
| 11 | * |
| 12 | * The Audiowerk2 ALSA driver is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with the Audiowerk2 ALSA driver; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| 20 | * USA. |
| 21 | * |
| 22 | *****************************************************************************/ |
| 23 | #include <linux/init.h> |
| 24 | #include <linux/pci.h> |
Andrew Morton | 91e24fa | 2008-03-20 12:04:46 +0100 | [diff] [blame] | 25 | #include <linux/dma-mapping.h> |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 26 | #include <linux/slab.h> |
| 27 | #include <linux/interrupt.h> |
| 28 | #include <linux/delay.h> |
H Hartley Sweeten | 34329fa | 2010-05-21 17:35:03 -0500 | [diff] [blame] | 29 | #include <linux/io.h> |
Paul Gortmaker | da155d5 | 2011-07-15 12:38:28 -0400 | [diff] [blame] | 30 | #include <linux/module.h> |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 31 | #include <sound/core.h> |
| 32 | #include <sound/initval.h> |
| 33 | #include <sound/pcm.h> |
| 34 | #include <sound/pcm_params.h> |
| 35 | #include <sound/control.h> |
| 36 | |
| 37 | #include "saa7146.h" |
| 38 | #include "aw2-saa7146.h" |
| 39 | |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 40 | MODULE_AUTHOR("Cedric Bregardis <cedric.bregardis@free.fr>, " |
| 41 | "Jean-Christian Hassler <jhassler@free.fr>"); |
| 42 | MODULE_DESCRIPTION("Emagic Audiowerk 2 sound driver"); |
| 43 | MODULE_LICENSE("GPL"); |
| 44 | |
| 45 | /********************************* |
| 46 | * DEFINES |
| 47 | ********************************/ |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 48 | #define CTL_ROUTE_ANALOG 0 |
| 49 | #define CTL_ROUTE_DIGITAL 1 |
| 50 | |
| 51 | /********************************* |
| 52 | * TYPEDEFS |
| 53 | ********************************/ |
| 54 | /* hardware definition */ |
| 55 | static struct snd_pcm_hardware snd_aw2_playback_hw = { |
| 56 | .info = (SNDRV_PCM_INFO_MMAP | |
| 57 | SNDRV_PCM_INFO_INTERLEAVED | |
| 58 | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID), |
| 59 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 60 | .rates = SNDRV_PCM_RATE_44100, |
| 61 | .rate_min = 44100, |
| 62 | .rate_max = 44100, |
| 63 | .channels_min = 2, |
| 64 | .channels_max = 4, |
| 65 | .buffer_bytes_max = 32768, |
| 66 | .period_bytes_min = 4096, |
| 67 | .period_bytes_max = 32768, |
| 68 | .periods_min = 1, |
| 69 | .periods_max = 1024, |
| 70 | }; |
| 71 | |
| 72 | static struct snd_pcm_hardware snd_aw2_capture_hw = { |
| 73 | .info = (SNDRV_PCM_INFO_MMAP | |
| 74 | SNDRV_PCM_INFO_INTERLEAVED | |
| 75 | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID), |
| 76 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 77 | .rates = SNDRV_PCM_RATE_44100, |
| 78 | .rate_min = 44100, |
| 79 | .rate_max = 44100, |
| 80 | .channels_min = 2, |
| 81 | .channels_max = 2, |
| 82 | .buffer_bytes_max = 32768, |
| 83 | .period_bytes_min = 4096, |
| 84 | .period_bytes_max = 32768, |
| 85 | .periods_min = 1, |
| 86 | .periods_max = 1024, |
| 87 | }; |
| 88 | |
| 89 | struct aw2_pcm_device { |
| 90 | struct snd_pcm *pcm; |
| 91 | unsigned int stream_number; |
| 92 | struct aw2 *chip; |
| 93 | }; |
| 94 | |
| 95 | struct aw2 { |
| 96 | struct snd_aw2_saa7146 saa7146; |
| 97 | |
| 98 | struct pci_dev *pci; |
| 99 | int irq; |
| 100 | spinlock_t reg_lock; |
| 101 | struct mutex mtx; |
| 102 | |
| 103 | unsigned long iobase_phys; |
| 104 | void __iomem *iobase_virt; |
| 105 | |
| 106 | struct snd_card *card; |
| 107 | |
| 108 | struct aw2_pcm_device device_playback[NB_STREAM_PLAYBACK]; |
| 109 | struct aw2_pcm_device device_capture[NB_STREAM_CAPTURE]; |
| 110 | }; |
| 111 | |
| 112 | /********************************* |
| 113 | * FUNCTION DECLARATIONS |
| 114 | ********************************/ |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 115 | static int snd_aw2_dev_free(struct snd_device *device); |
Bill Pemberton | e23e7a1 | 2012-12-06 12:35:10 -0500 | [diff] [blame] | 116 | static int snd_aw2_create(struct snd_card *card, |
| 117 | struct pci_dev *pci, struct aw2 **rchip); |
| 118 | static int snd_aw2_probe(struct pci_dev *pci, |
| 119 | const struct pci_device_id *pci_id); |
| 120 | static void snd_aw2_remove(struct pci_dev *pci); |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 121 | static int snd_aw2_pcm_playback_open(struct snd_pcm_substream *substream); |
| 122 | static int snd_aw2_pcm_playback_close(struct snd_pcm_substream *substream); |
| 123 | static int snd_aw2_pcm_capture_open(struct snd_pcm_substream *substream); |
| 124 | static int snd_aw2_pcm_capture_close(struct snd_pcm_substream *substream); |
| 125 | static int snd_aw2_pcm_hw_params(struct snd_pcm_substream *substream, |
| 126 | struct snd_pcm_hw_params *hw_params); |
| 127 | static int snd_aw2_pcm_hw_free(struct snd_pcm_substream *substream); |
| 128 | static int snd_aw2_pcm_prepare_playback(struct snd_pcm_substream *substream); |
| 129 | static int snd_aw2_pcm_prepare_capture(struct snd_pcm_substream *substream); |
| 130 | static int snd_aw2_pcm_trigger_playback(struct snd_pcm_substream *substream, |
| 131 | int cmd); |
| 132 | static int snd_aw2_pcm_trigger_capture(struct snd_pcm_substream *substream, |
| 133 | int cmd); |
| 134 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_playback(struct snd_pcm_substream |
| 135 | *substream); |
| 136 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_capture(struct snd_pcm_substream |
| 137 | *substream); |
Bill Pemberton | e23e7a1 | 2012-12-06 12:35:10 -0500 | [diff] [blame] | 138 | static int snd_aw2_new_pcm(struct aw2 *chip); |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 139 | |
| 140 | static int snd_aw2_control_switch_capture_info(struct snd_kcontrol *kcontrol, |
| 141 | struct snd_ctl_elem_info *uinfo); |
| 142 | static int snd_aw2_control_switch_capture_get(struct snd_kcontrol *kcontrol, |
| 143 | struct snd_ctl_elem_value |
| 144 | *ucontrol); |
| 145 | static int snd_aw2_control_switch_capture_put(struct snd_kcontrol *kcontrol, |
| 146 | struct snd_ctl_elem_value |
| 147 | *ucontrol); |
| 148 | |
| 149 | /********************************* |
| 150 | * VARIABLES |
| 151 | ********************************/ |
| 152 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; |
| 153 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; |
Rusty Russell | a67ff6a | 2011-12-15 13:49:36 +1030 | [diff] [blame] | 154 | static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 155 | |
Takashi Iwai | 34b6757 | 2008-02-20 12:12:58 +0100 | [diff] [blame] | 156 | module_param_array(index, int, NULL, 0444); |
| 157 | MODULE_PARM_DESC(index, "Index value for Audiowerk2 soundcard."); |
| 158 | module_param_array(id, charp, NULL, 0444); |
| 159 | MODULE_PARM_DESC(id, "ID string for the Audiowerk2 soundcard."); |
| 160 | module_param_array(enable, bool, NULL, 0444); |
| 161 | MODULE_PARM_DESC(enable, "Enable Audiowerk2 soundcard."); |
| 162 | |
Alexey Dobriyan | cebe41d | 2010-02-06 00:21:03 +0200 | [diff] [blame] | 163 | static DEFINE_PCI_DEVICE_TABLE(snd_aw2_ids) = { |
H Hartley Sweeten | 34329fa | 2010-05-21 17:35:03 -0500 | [diff] [blame] | 164 | {PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA7146, 0, 0, |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 165 | 0, 0, 0}, |
| 166 | {0} |
| 167 | }; |
| 168 | |
| 169 | MODULE_DEVICE_TABLE(pci, snd_aw2_ids); |
| 170 | |
| 171 | /* pci_driver definition */ |
Takashi Iwai | e9f66d9 | 2012-04-24 12:25:00 +0200 | [diff] [blame] | 172 | static struct pci_driver aw2_driver = { |
Takashi Iwai | 3733e42 | 2011-06-10 16:20:20 +0200 | [diff] [blame] | 173 | .name = KBUILD_MODNAME, |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 174 | .id_table = snd_aw2_ids, |
| 175 | .probe = snd_aw2_probe, |
Bill Pemberton | e23e7a1 | 2012-12-06 12:35:10 -0500 | [diff] [blame] | 176 | .remove = snd_aw2_remove, |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 177 | }; |
| 178 | |
Takashi Iwai | e9f66d9 | 2012-04-24 12:25:00 +0200 | [diff] [blame] | 179 | module_pci_driver(aw2_driver); |
| 180 | |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 181 | /* operators for playback PCM alsa interface */ |
| 182 | static struct snd_pcm_ops snd_aw2_playback_ops = { |
| 183 | .open = snd_aw2_pcm_playback_open, |
| 184 | .close = snd_aw2_pcm_playback_close, |
| 185 | .ioctl = snd_pcm_lib_ioctl, |
| 186 | .hw_params = snd_aw2_pcm_hw_params, |
| 187 | .hw_free = snd_aw2_pcm_hw_free, |
| 188 | .prepare = snd_aw2_pcm_prepare_playback, |
| 189 | .trigger = snd_aw2_pcm_trigger_playback, |
| 190 | .pointer = snd_aw2_pcm_pointer_playback, |
| 191 | }; |
| 192 | |
| 193 | /* operators for capture PCM alsa interface */ |
| 194 | static struct snd_pcm_ops snd_aw2_capture_ops = { |
| 195 | .open = snd_aw2_pcm_capture_open, |
| 196 | .close = snd_aw2_pcm_capture_close, |
| 197 | .ioctl = snd_pcm_lib_ioctl, |
| 198 | .hw_params = snd_aw2_pcm_hw_params, |
| 199 | .hw_free = snd_aw2_pcm_hw_free, |
| 200 | .prepare = snd_aw2_pcm_prepare_capture, |
| 201 | .trigger = snd_aw2_pcm_trigger_capture, |
| 202 | .pointer = snd_aw2_pcm_pointer_capture, |
| 203 | }; |
| 204 | |
Bill Pemberton | e23e7a1 | 2012-12-06 12:35:10 -0500 | [diff] [blame] | 205 | static struct snd_kcontrol_new aw2_control = { |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 206 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 207 | .name = "PCM Capture Route", |
| 208 | .index = 0, |
| 209 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 210 | .private_value = 0xffff, |
| 211 | .info = snd_aw2_control_switch_capture_info, |
| 212 | .get = snd_aw2_control_switch_capture_get, |
| 213 | .put = snd_aw2_control_switch_capture_put |
| 214 | }; |
| 215 | |
| 216 | /********************************* |
| 217 | * FUNCTION IMPLEMENTATIONS |
| 218 | ********************************/ |
| 219 | |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 220 | /* component-destructor */ |
| 221 | static int snd_aw2_dev_free(struct snd_device *device) |
| 222 | { |
| 223 | struct aw2 *chip = device->device_data; |
| 224 | |
| 225 | /* Free hardware */ |
| 226 | snd_aw2_saa7146_free(&chip->saa7146); |
| 227 | |
| 228 | /* release the irq */ |
| 229 | if (chip->irq >= 0) |
| 230 | free_irq(chip->irq, (void *)chip); |
| 231 | /* release the i/o ports & memory */ |
| 232 | if (chip->iobase_virt) |
| 233 | iounmap(chip->iobase_virt); |
| 234 | |
| 235 | pci_release_regions(chip->pci); |
| 236 | /* disable the PCI entry */ |
| 237 | pci_disable_device(chip->pci); |
| 238 | /* release the data */ |
| 239 | kfree(chip); |
| 240 | |
| 241 | return 0; |
| 242 | } |
| 243 | |
| 244 | /* chip-specific constructor */ |
Bill Pemberton | e23e7a1 | 2012-12-06 12:35:10 -0500 | [diff] [blame] | 245 | static int snd_aw2_create(struct snd_card *card, |
| 246 | struct pci_dev *pci, struct aw2 **rchip) |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 247 | { |
| 248 | struct aw2 *chip; |
| 249 | int err; |
| 250 | static struct snd_device_ops ops = { |
| 251 | .dev_free = snd_aw2_dev_free, |
| 252 | }; |
| 253 | |
| 254 | *rchip = NULL; |
| 255 | |
| 256 | /* initialize the PCI entry */ |
| 257 | err = pci_enable_device(pci); |
| 258 | if (err < 0) |
| 259 | return err; |
| 260 | pci_set_master(pci); |
| 261 | |
| 262 | /* check PCI availability (32bit DMA) */ |
Yang Hongyang | 284901a | 2009-04-06 19:01:15 -0700 | [diff] [blame] | 263 | if ((pci_set_dma_mask(pci, DMA_BIT_MASK(32)) < 0) || |
| 264 | (pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(32)) < 0)) { |
Takashi Iwai | 179bb7f | 2014-02-25 15:54:30 +0100 | [diff] [blame^] | 265 | dev_err(card->dev, "Impossible to set 32bit mask DMA\n"); |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 266 | pci_disable_device(pci); |
| 267 | return -ENXIO; |
| 268 | } |
| 269 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
| 270 | if (chip == NULL) { |
| 271 | pci_disable_device(pci); |
| 272 | return -ENOMEM; |
| 273 | } |
| 274 | |
| 275 | /* initialize the stuff */ |
| 276 | chip->card = card; |
| 277 | chip->pci = pci; |
| 278 | chip->irq = -1; |
| 279 | |
| 280 | /* (1) PCI resource allocation */ |
| 281 | err = pci_request_regions(pci, "Audiowerk2"); |
| 282 | if (err < 0) { |
| 283 | pci_disable_device(pci); |
| 284 | kfree(chip); |
| 285 | return err; |
| 286 | } |
| 287 | chip->iobase_phys = pci_resource_start(pci, 0); |
| 288 | chip->iobase_virt = |
| 289 | ioremap_nocache(chip->iobase_phys, |
| 290 | pci_resource_len(pci, 0)); |
| 291 | |
| 292 | if (chip->iobase_virt == NULL) { |
Takashi Iwai | 179bb7f | 2014-02-25 15:54:30 +0100 | [diff] [blame^] | 293 | dev_err(card->dev, "unable to remap memory region"); |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 294 | pci_release_regions(pci); |
| 295 | pci_disable_device(pci); |
| 296 | kfree(chip); |
| 297 | return -ENOMEM; |
| 298 | } |
| 299 | |
Takashi Iwai | 44e0517 | 2008-06-23 11:54:05 +0200 | [diff] [blame] | 300 | /* (2) initialization of the chip hardware */ |
| 301 | snd_aw2_saa7146_setup(&chip->saa7146, chip->iobase_virt); |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 302 | |
| 303 | if (request_irq(pci->irq, snd_aw2_saa7146_interrupt, |
Takashi Iwai | 934c2b6 | 2011-06-10 16:36:37 +0200 | [diff] [blame] | 304 | IRQF_SHARED, KBUILD_MODNAME, chip)) { |
Takashi Iwai | 179bb7f | 2014-02-25 15:54:30 +0100 | [diff] [blame^] | 305 | dev_err(card->dev, "Cannot grab irq %d\n", pci->irq); |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 306 | |
| 307 | iounmap(chip->iobase_virt); |
| 308 | pci_release_regions(chip->pci); |
| 309 | pci_disable_device(chip->pci); |
| 310 | kfree(chip); |
| 311 | return -EBUSY; |
| 312 | } |
| 313 | chip->irq = pci->irq; |
| 314 | |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 315 | err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); |
| 316 | if (err < 0) { |
| 317 | free_irq(chip->irq, (void *)chip); |
| 318 | iounmap(chip->iobase_virt); |
| 319 | pci_release_regions(chip->pci); |
| 320 | pci_disable_device(chip->pci); |
| 321 | kfree(chip); |
| 322 | return err; |
| 323 | } |
| 324 | |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 325 | *rchip = chip; |
| 326 | |
Takashi Iwai | 179bb7f | 2014-02-25 15:54:30 +0100 | [diff] [blame^] | 327 | dev_info(card->dev, |
| 328 | "Audiowerk 2 sound card (saa7146 chipset) detected and managed\n"); |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 329 | return 0; |
| 330 | } |
| 331 | |
| 332 | /* constructor */ |
Bill Pemberton | e23e7a1 | 2012-12-06 12:35:10 -0500 | [diff] [blame] | 333 | static int snd_aw2_probe(struct pci_dev *pci, |
| 334 | const struct pci_device_id *pci_id) |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 335 | { |
| 336 | static int dev; |
| 337 | struct snd_card *card; |
| 338 | struct aw2 *chip; |
| 339 | int err; |
| 340 | |
| 341 | /* (1) Continue if device is not enabled, else inc dev */ |
| 342 | if (dev >= SNDRV_CARDS) |
| 343 | return -ENODEV; |
| 344 | if (!enable[dev]) { |
| 345 | dev++; |
| 346 | return -ENOENT; |
| 347 | } |
| 348 | |
| 349 | /* (2) Create card instance */ |
Takashi Iwai | 60c5772 | 2014-01-29 14:20:19 +0100 | [diff] [blame] | 350 | err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, |
| 351 | 0, &card); |
Takashi Iwai | e58de7b | 2008-12-28 16:44:30 +0100 | [diff] [blame] | 352 | if (err < 0) |
| 353 | return err; |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 354 | |
| 355 | /* (3) Create main component */ |
| 356 | err = snd_aw2_create(card, pci, &chip); |
| 357 | if (err < 0) { |
| 358 | snd_card_free(card); |
| 359 | return err; |
| 360 | } |
| 361 | |
| 362 | /* initialize mutex */ |
| 363 | mutex_init(&chip->mtx); |
| 364 | /* init spinlock */ |
| 365 | spin_lock_init(&chip->reg_lock); |
| 366 | /* (4) Define driver ID and name string */ |
| 367 | strcpy(card->driver, "aw2"); |
| 368 | strcpy(card->shortname, "Audiowerk2"); |
| 369 | |
| 370 | sprintf(card->longname, "%s with SAA7146 irq %i", |
| 371 | card->shortname, chip->irq); |
| 372 | |
| 373 | /* (5) Create other components */ |
| 374 | snd_aw2_new_pcm(chip); |
| 375 | |
| 376 | /* (6) Register card instance */ |
| 377 | err = snd_card_register(card); |
| 378 | if (err < 0) { |
| 379 | snd_card_free(card); |
| 380 | return err; |
| 381 | } |
| 382 | |
| 383 | /* (7) Set PCI driver data */ |
| 384 | pci_set_drvdata(pci, card); |
| 385 | |
| 386 | dev++; |
| 387 | return 0; |
| 388 | } |
| 389 | |
| 390 | /* destructor */ |
Bill Pemberton | e23e7a1 | 2012-12-06 12:35:10 -0500 | [diff] [blame] | 391 | static void snd_aw2_remove(struct pci_dev *pci) |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 392 | { |
| 393 | snd_card_free(pci_get_drvdata(pci)); |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 394 | } |
| 395 | |
| 396 | /* open callback */ |
| 397 | static int snd_aw2_pcm_playback_open(struct snd_pcm_substream *substream) |
| 398 | { |
| 399 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 400 | |
Takashi Iwai | 179bb7f | 2014-02-25 15:54:30 +0100 | [diff] [blame^] | 401 | dev_dbg(substream->pcm->card->dev, "Playback_open\n"); |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 402 | runtime->hw = snd_aw2_playback_hw; |
| 403 | return 0; |
| 404 | } |
| 405 | |
| 406 | /* close callback */ |
| 407 | static int snd_aw2_pcm_playback_close(struct snd_pcm_substream *substream) |
| 408 | { |
| 409 | return 0; |
| 410 | |
| 411 | } |
| 412 | |
| 413 | static int snd_aw2_pcm_capture_open(struct snd_pcm_substream *substream) |
| 414 | { |
| 415 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 416 | |
Takashi Iwai | 179bb7f | 2014-02-25 15:54:30 +0100 | [diff] [blame^] | 417 | dev_dbg(substream->pcm->card->dev, "Capture_open\n"); |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 418 | runtime->hw = snd_aw2_capture_hw; |
| 419 | return 0; |
| 420 | } |
| 421 | |
| 422 | /* close callback */ |
| 423 | static int snd_aw2_pcm_capture_close(struct snd_pcm_substream *substream) |
| 424 | { |
| 425 | /* TODO: something to do ? */ |
| 426 | return 0; |
| 427 | } |
| 428 | |
| 429 | /* hw_params callback */ |
| 430 | static int snd_aw2_pcm_hw_params(struct snd_pcm_substream *substream, |
| 431 | struct snd_pcm_hw_params *hw_params) |
| 432 | { |
| 433 | return snd_pcm_lib_malloc_pages(substream, |
| 434 | params_buffer_bytes(hw_params)); |
| 435 | } |
| 436 | |
| 437 | /* hw_free callback */ |
| 438 | static int snd_aw2_pcm_hw_free(struct snd_pcm_substream *substream) |
| 439 | { |
| 440 | return snd_pcm_lib_free_pages(substream); |
| 441 | } |
| 442 | |
| 443 | /* prepare callback for playback */ |
| 444 | static int snd_aw2_pcm_prepare_playback(struct snd_pcm_substream *substream) |
| 445 | { |
| 446 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); |
| 447 | struct aw2 *chip = pcm_device->chip; |
| 448 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 449 | unsigned long period_size, buffer_size; |
| 450 | |
| 451 | mutex_lock(&chip->mtx); |
| 452 | |
| 453 | period_size = snd_pcm_lib_period_bytes(substream); |
| 454 | buffer_size = snd_pcm_lib_buffer_bytes(substream); |
| 455 | |
| 456 | snd_aw2_saa7146_pcm_init_playback(&chip->saa7146, |
| 457 | pcm_device->stream_number, |
| 458 | runtime->dma_addr, period_size, |
| 459 | buffer_size); |
| 460 | |
| 461 | /* Define Interrupt callback */ |
| 462 | snd_aw2_saa7146_define_it_playback_callback(pcm_device->stream_number, |
| 463 | (snd_aw2_saa7146_it_cb) |
| 464 | snd_pcm_period_elapsed, |
| 465 | (void *)substream); |
| 466 | |
| 467 | mutex_unlock(&chip->mtx); |
| 468 | |
| 469 | return 0; |
| 470 | } |
| 471 | |
| 472 | /* prepare callback for capture */ |
| 473 | static int snd_aw2_pcm_prepare_capture(struct snd_pcm_substream *substream) |
| 474 | { |
| 475 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); |
| 476 | struct aw2 *chip = pcm_device->chip; |
| 477 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 478 | unsigned long period_size, buffer_size; |
| 479 | |
| 480 | mutex_lock(&chip->mtx); |
| 481 | |
| 482 | period_size = snd_pcm_lib_period_bytes(substream); |
| 483 | buffer_size = snd_pcm_lib_buffer_bytes(substream); |
| 484 | |
| 485 | snd_aw2_saa7146_pcm_init_capture(&chip->saa7146, |
| 486 | pcm_device->stream_number, |
| 487 | runtime->dma_addr, period_size, |
| 488 | buffer_size); |
| 489 | |
| 490 | /* Define Interrupt callback */ |
| 491 | snd_aw2_saa7146_define_it_capture_callback(pcm_device->stream_number, |
| 492 | (snd_aw2_saa7146_it_cb) |
| 493 | snd_pcm_period_elapsed, |
| 494 | (void *)substream); |
| 495 | |
| 496 | mutex_unlock(&chip->mtx); |
| 497 | |
| 498 | return 0; |
| 499 | } |
| 500 | |
| 501 | /* playback trigger callback */ |
| 502 | static int snd_aw2_pcm_trigger_playback(struct snd_pcm_substream *substream, |
| 503 | int cmd) |
| 504 | { |
| 505 | int status = 0; |
| 506 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); |
| 507 | struct aw2 *chip = pcm_device->chip; |
| 508 | spin_lock(&chip->reg_lock); |
| 509 | switch (cmd) { |
| 510 | case SNDRV_PCM_TRIGGER_START: |
| 511 | snd_aw2_saa7146_pcm_trigger_start_playback(&chip->saa7146, |
| 512 | pcm_device-> |
| 513 | stream_number); |
| 514 | break; |
| 515 | case SNDRV_PCM_TRIGGER_STOP: |
| 516 | snd_aw2_saa7146_pcm_trigger_stop_playback(&chip->saa7146, |
| 517 | pcm_device-> |
| 518 | stream_number); |
| 519 | break; |
| 520 | default: |
| 521 | status = -EINVAL; |
| 522 | } |
| 523 | spin_unlock(&chip->reg_lock); |
| 524 | return status; |
| 525 | } |
| 526 | |
| 527 | /* capture trigger callback */ |
| 528 | static int snd_aw2_pcm_trigger_capture(struct snd_pcm_substream *substream, |
| 529 | int cmd) |
| 530 | { |
| 531 | int status = 0; |
| 532 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); |
| 533 | struct aw2 *chip = pcm_device->chip; |
| 534 | spin_lock(&chip->reg_lock); |
| 535 | switch (cmd) { |
| 536 | case SNDRV_PCM_TRIGGER_START: |
| 537 | snd_aw2_saa7146_pcm_trigger_start_capture(&chip->saa7146, |
| 538 | pcm_device-> |
| 539 | stream_number); |
| 540 | break; |
| 541 | case SNDRV_PCM_TRIGGER_STOP: |
| 542 | snd_aw2_saa7146_pcm_trigger_stop_capture(&chip->saa7146, |
| 543 | pcm_device-> |
| 544 | stream_number); |
| 545 | break; |
| 546 | default: |
| 547 | status = -EINVAL; |
| 548 | } |
| 549 | spin_unlock(&chip->reg_lock); |
| 550 | return status; |
| 551 | } |
| 552 | |
| 553 | /* playback pointer callback */ |
| 554 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_playback(struct snd_pcm_substream |
| 555 | *substream) |
| 556 | { |
| 557 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); |
| 558 | struct aw2 *chip = pcm_device->chip; |
| 559 | unsigned int current_ptr; |
| 560 | |
| 561 | /* get the current hardware pointer */ |
| 562 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 563 | current_ptr = |
| 564 | snd_aw2_saa7146_get_hw_ptr_playback(&chip->saa7146, |
| 565 | pcm_device->stream_number, |
| 566 | runtime->dma_area, |
| 567 | runtime->buffer_size); |
| 568 | |
| 569 | return bytes_to_frames(substream->runtime, current_ptr); |
| 570 | } |
| 571 | |
| 572 | /* capture pointer callback */ |
| 573 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_capture(struct snd_pcm_substream |
| 574 | *substream) |
| 575 | { |
| 576 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); |
| 577 | struct aw2 *chip = pcm_device->chip; |
| 578 | unsigned int current_ptr; |
| 579 | |
| 580 | /* get the current hardware pointer */ |
| 581 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 582 | current_ptr = |
| 583 | snd_aw2_saa7146_get_hw_ptr_capture(&chip->saa7146, |
| 584 | pcm_device->stream_number, |
| 585 | runtime->dma_area, |
| 586 | runtime->buffer_size); |
| 587 | |
| 588 | return bytes_to_frames(substream->runtime, current_ptr); |
| 589 | } |
| 590 | |
| 591 | /* create a pcm device */ |
Bill Pemberton | e23e7a1 | 2012-12-06 12:35:10 -0500 | [diff] [blame] | 592 | static int snd_aw2_new_pcm(struct aw2 *chip) |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 593 | { |
| 594 | struct snd_pcm *pcm_playback_ana; |
| 595 | struct snd_pcm *pcm_playback_num; |
| 596 | struct snd_pcm *pcm_capture; |
| 597 | struct aw2_pcm_device *pcm_device; |
| 598 | int err = 0; |
| 599 | |
| 600 | /* Create new Alsa PCM device */ |
| 601 | |
| 602 | err = snd_pcm_new(chip->card, "Audiowerk2 analog playback", 0, 1, 0, |
| 603 | &pcm_playback_ana); |
| 604 | if (err < 0) { |
Takashi Iwai | 179bb7f | 2014-02-25 15:54:30 +0100 | [diff] [blame^] | 605 | dev_err(chip->card->dev, "snd_pcm_new error (0x%X)\n", err); |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 606 | return err; |
| 607 | } |
| 608 | |
| 609 | /* Creation ok */ |
| 610 | pcm_device = &chip->device_playback[NUM_STREAM_PLAYBACK_ANA]; |
| 611 | |
| 612 | /* Set PCM device name */ |
| 613 | strcpy(pcm_playback_ana->name, "Analog playback"); |
| 614 | /* Associate private data to PCM device */ |
| 615 | pcm_playback_ana->private_data = pcm_device; |
| 616 | /* set operators of PCM device */ |
| 617 | snd_pcm_set_ops(pcm_playback_ana, SNDRV_PCM_STREAM_PLAYBACK, |
| 618 | &snd_aw2_playback_ops); |
| 619 | /* store PCM device */ |
| 620 | pcm_device->pcm = pcm_playback_ana; |
| 621 | /* give base chip pointer to our internal pcm device |
| 622 | structure */ |
| 623 | pcm_device->chip = chip; |
| 624 | /* Give stream number to PCM device */ |
| 625 | pcm_device->stream_number = NUM_STREAM_PLAYBACK_ANA; |
| 626 | |
| 627 | /* pre-allocation of buffers */ |
| 628 | /* Preallocate continuous pages. */ |
| 629 | err = snd_pcm_lib_preallocate_pages_for_all(pcm_playback_ana, |
| 630 | SNDRV_DMA_TYPE_DEV, |
| 631 | snd_dma_pci_data |
| 632 | (chip->pci), |
| 633 | 64 * 1024, 64 * 1024); |
| 634 | if (err) |
Takashi Iwai | 179bb7f | 2014-02-25 15:54:30 +0100 | [diff] [blame^] | 635 | dev_err(chip->card->dev, |
| 636 | "snd_pcm_lib_preallocate_pages_for_all error (0x%X)\n", |
| 637 | err); |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 638 | |
| 639 | err = snd_pcm_new(chip->card, "Audiowerk2 digital playback", 1, 1, 0, |
| 640 | &pcm_playback_num); |
| 641 | |
| 642 | if (err < 0) { |
Takashi Iwai | 179bb7f | 2014-02-25 15:54:30 +0100 | [diff] [blame^] | 643 | dev_err(chip->card->dev, "snd_pcm_new error (0x%X)\n", err); |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 644 | return err; |
| 645 | } |
| 646 | /* Creation ok */ |
| 647 | pcm_device = &chip->device_playback[NUM_STREAM_PLAYBACK_DIG]; |
| 648 | |
| 649 | /* Set PCM device name */ |
| 650 | strcpy(pcm_playback_num->name, "Digital playback"); |
| 651 | /* Associate private data to PCM device */ |
| 652 | pcm_playback_num->private_data = pcm_device; |
| 653 | /* set operators of PCM device */ |
| 654 | snd_pcm_set_ops(pcm_playback_num, SNDRV_PCM_STREAM_PLAYBACK, |
| 655 | &snd_aw2_playback_ops); |
| 656 | /* store PCM device */ |
| 657 | pcm_device->pcm = pcm_playback_num; |
| 658 | /* give base chip pointer to our internal pcm device |
| 659 | structure */ |
| 660 | pcm_device->chip = chip; |
| 661 | /* Give stream number to PCM device */ |
| 662 | pcm_device->stream_number = NUM_STREAM_PLAYBACK_DIG; |
| 663 | |
| 664 | /* pre-allocation of buffers */ |
| 665 | /* Preallocate continuous pages. */ |
| 666 | err = snd_pcm_lib_preallocate_pages_for_all(pcm_playback_num, |
| 667 | SNDRV_DMA_TYPE_DEV, |
| 668 | snd_dma_pci_data |
| 669 | (chip->pci), |
| 670 | 64 * 1024, 64 * 1024); |
| 671 | if (err) |
Takashi Iwai | 179bb7f | 2014-02-25 15:54:30 +0100 | [diff] [blame^] | 672 | dev_err(chip->card->dev, |
| 673 | "snd_pcm_lib_preallocate_pages_for_all error (0x%X)\n", |
| 674 | err); |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 675 | |
| 676 | err = snd_pcm_new(chip->card, "Audiowerk2 capture", 2, 0, 1, |
| 677 | &pcm_capture); |
| 678 | |
| 679 | if (err < 0) { |
Takashi Iwai | 179bb7f | 2014-02-25 15:54:30 +0100 | [diff] [blame^] | 680 | dev_err(chip->card->dev, "snd_pcm_new error (0x%X)\n", err); |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 681 | return err; |
| 682 | } |
| 683 | |
| 684 | /* Creation ok */ |
| 685 | pcm_device = &chip->device_capture[NUM_STREAM_CAPTURE_ANA]; |
| 686 | |
| 687 | /* Set PCM device name */ |
| 688 | strcpy(pcm_capture->name, "Capture"); |
| 689 | /* Associate private data to PCM device */ |
| 690 | pcm_capture->private_data = pcm_device; |
| 691 | /* set operators of PCM device */ |
| 692 | snd_pcm_set_ops(pcm_capture, SNDRV_PCM_STREAM_CAPTURE, |
| 693 | &snd_aw2_capture_ops); |
| 694 | /* store PCM device */ |
| 695 | pcm_device->pcm = pcm_capture; |
| 696 | /* give base chip pointer to our internal pcm device |
| 697 | structure */ |
| 698 | pcm_device->chip = chip; |
| 699 | /* Give stream number to PCM device */ |
| 700 | pcm_device->stream_number = NUM_STREAM_CAPTURE_ANA; |
| 701 | |
| 702 | /* pre-allocation of buffers */ |
| 703 | /* Preallocate continuous pages. */ |
| 704 | err = snd_pcm_lib_preallocate_pages_for_all(pcm_capture, |
| 705 | SNDRV_DMA_TYPE_DEV, |
| 706 | snd_dma_pci_data |
| 707 | (chip->pci), |
| 708 | 64 * 1024, 64 * 1024); |
| 709 | if (err) |
Takashi Iwai | 179bb7f | 2014-02-25 15:54:30 +0100 | [diff] [blame^] | 710 | dev_err(chip->card->dev, |
| 711 | "snd_pcm_lib_preallocate_pages_for_all error (0x%X)\n", |
| 712 | err); |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 713 | |
| 714 | |
| 715 | /* Create control */ |
| 716 | err = snd_ctl_add(chip->card, snd_ctl_new1(&aw2_control, chip)); |
| 717 | if (err < 0) { |
Takashi Iwai | 179bb7f | 2014-02-25 15:54:30 +0100 | [diff] [blame^] | 718 | dev_err(chip->card->dev, "snd_ctl_add error (0x%X)\n", err); |
Cedric Bregardis | 98f2a97 | 2008-02-20 12:05:13 +0100 | [diff] [blame] | 719 | return err; |
| 720 | } |
| 721 | |
| 722 | return 0; |
| 723 | } |
| 724 | |
| 725 | static int snd_aw2_control_switch_capture_info(struct snd_kcontrol *kcontrol, |
| 726 | struct snd_ctl_elem_info *uinfo) |
| 727 | { |
| 728 | static char *texts[2] = { |
| 729 | "Analog", "Digital" |
| 730 | }; |
| 731 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; |
| 732 | uinfo->count = 1; |
| 733 | uinfo->value.enumerated.items = 2; |
| 734 | if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) { |
| 735 | uinfo->value.enumerated.item = |
| 736 | uinfo->value.enumerated.items - 1; |
| 737 | } |
| 738 | strcpy(uinfo->value.enumerated.name, |
| 739 | texts[uinfo->value.enumerated.item]); |
| 740 | return 0; |
| 741 | } |
| 742 | |
| 743 | static int snd_aw2_control_switch_capture_get(struct snd_kcontrol *kcontrol, |
| 744 | struct snd_ctl_elem_value |
| 745 | *ucontrol) |
| 746 | { |
| 747 | struct aw2 *chip = snd_kcontrol_chip(kcontrol); |
| 748 | if (snd_aw2_saa7146_is_using_digital_input(&chip->saa7146)) |
| 749 | ucontrol->value.enumerated.item[0] = CTL_ROUTE_DIGITAL; |
| 750 | else |
| 751 | ucontrol->value.enumerated.item[0] = CTL_ROUTE_ANALOG; |
| 752 | return 0; |
| 753 | } |
| 754 | |
| 755 | static int snd_aw2_control_switch_capture_put(struct snd_kcontrol *kcontrol, |
| 756 | struct snd_ctl_elem_value |
| 757 | *ucontrol) |
| 758 | { |
| 759 | struct aw2 *chip = snd_kcontrol_chip(kcontrol); |
| 760 | int changed = 0; |
| 761 | int is_disgital = |
| 762 | snd_aw2_saa7146_is_using_digital_input(&chip->saa7146); |
| 763 | |
| 764 | if (((ucontrol->value.integer.value[0] == CTL_ROUTE_DIGITAL) |
| 765 | && !is_disgital) |
| 766 | || ((ucontrol->value.integer.value[0] == CTL_ROUTE_ANALOG) |
| 767 | && is_disgital)) { |
| 768 | snd_aw2_saa7146_use_digital_input(&chip->saa7146, !is_disgital); |
| 769 | changed = 1; |
| 770 | } |
| 771 | return changed; |
| 772 | } |