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Linux/sound/pci/vx222/vx222.c

  1 /*
  2  * Driver for Digigram VX222 V2/Mic PCI soundcards
  3  *
  4  * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
  5  *
  6  *   This program is free software; you can redistribute it and/or modify
  7  *   it under the terms of the GNU General Public License as published by
  8  *   the Free Software Foundation; either version 2 of the License, or
  9  *   (at your option) any later version.
 10  *
 11  *   This program is distributed in the hope that it will be useful,
 12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 14  *   GNU General Public License for more details.
 15  *
 16  *   You should have received a copy of the GNU General Public License
 17  *   along with this program; if not, write to the Free Software
 18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 19  */
 20 
 21 #include <linux/init.h>
 22 #include <linux/interrupt.h>
 23 #include <linux/pci.h>
 24 #include <linux/slab.h>
 25 #include <linux/module.h>
 26 #include <sound/core.h>
 27 #include <sound/initval.h>
 28 #include <sound/tlv.h>
 29 #include "vx222.h"
 30 
 31 #define CARD_NAME "VX222"
 32 
 33 MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
 34 MODULE_DESCRIPTION("Digigram VX222 V2/Mic");
 35 MODULE_LICENSE("GPL");
 36 MODULE_SUPPORTED_DEVICE("{{Digigram," CARD_NAME "}}");
 37 
 38 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
 39 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
 40 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;     /* Enable this card */
 41 static bool mic[SNDRV_CARDS]; /* microphone */
 42 static int ibl[SNDRV_CARDS]; /* microphone */
 43 
 44 module_param_array(index, int, NULL, 0444);
 45 MODULE_PARM_DESC(index, "Index value for Digigram " CARD_NAME " soundcard.");
 46 module_param_array(id, charp, NULL, 0444);
 47 MODULE_PARM_DESC(id, "ID string for Digigram " CARD_NAME " soundcard.");
 48 module_param_array(enable, bool, NULL, 0444);
 49 MODULE_PARM_DESC(enable, "Enable Digigram " CARD_NAME " soundcard.");
 50 module_param_array(mic, bool, NULL, 0444);
 51 MODULE_PARM_DESC(mic, "Enable Microphone.");
 52 module_param_array(ibl, int, NULL, 0444);
 53 MODULE_PARM_DESC(ibl, "Capture IBL size.");
 54 
 55 /*
 56  */
 57 
 58 enum {
 59         VX_PCI_VX222_OLD,
 60         VX_PCI_VX222_NEW
 61 };
 62 
 63 static const struct pci_device_id snd_vx222_ids[] = {
 64         { 0x10b5, 0x9050, 0x1369, PCI_ANY_ID, 0, 0, VX_PCI_VX222_OLD, },   /* PLX */
 65         { 0x10b5, 0x9030, 0x1369, PCI_ANY_ID, 0, 0, VX_PCI_VX222_NEW, },   /* PLX */
 66         { 0, }
 67 };
 68 
 69 MODULE_DEVICE_TABLE(pci, snd_vx222_ids);
 70 
 71 
 72 /*
 73  */
 74 
 75 static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);
 76 static const DECLARE_TLV_DB_SCALE(db_scale_akm, -7350, 50, 0);
 77 
 78 static struct snd_vx_hardware vx222_old_hw = {
 79 
 80         .name = "VX222/Old",
 81         .type = VX_TYPE_BOARD,
 82         /* hw specs */
 83         .num_codecs = 1,
 84         .num_ins = 1,
 85         .num_outs = 1,
 86         .output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
 87         .output_level_db_scale = db_scale_old_vol,
 88 };
 89 
 90 static struct snd_vx_hardware vx222_v2_hw = {
 91 
 92         .name = "VX222/v2",
 93         .type = VX_TYPE_V2,
 94         /* hw specs */
 95         .num_codecs = 1,
 96         .num_ins = 1,
 97         .num_outs = 1,
 98         .output_level_max = VX2_AKM_LEVEL_MAX,
 99         .output_level_db_scale = db_scale_akm,
100 };
101 
102 static struct snd_vx_hardware vx222_mic_hw = {
103 
104         .name = "VX222/Mic",
105         .type = VX_TYPE_MIC,
106         /* hw specs */
107         .num_codecs = 1,
108         .num_ins = 1,
109         .num_outs = 1,
110         .output_level_max = VX2_AKM_LEVEL_MAX,
111         .output_level_db_scale = db_scale_akm,
112 };
113 
114 
115 /*
116  */
117 static int snd_vx222_free(struct vx_core *chip)
118 {
119         struct snd_vx222 *vx = (struct snd_vx222 *)chip;
120 
121         if (chip->irq >= 0)
122                 free_irq(chip->irq, (void*)chip);
123         if (vx->port[0])
124                 pci_release_regions(vx->pci);
125         pci_disable_device(vx->pci);
126         kfree(chip);
127         return 0;
128 }
129 
130 static int snd_vx222_dev_free(struct snd_device *device)
131 {
132         struct vx_core *chip = device->device_data;
133         return snd_vx222_free(chip);
134 }
135 
136 
137 static int snd_vx222_create(struct snd_card *card, struct pci_dev *pci,
138                             struct snd_vx_hardware *hw,
139                             struct snd_vx222 **rchip)
140 {
141         struct vx_core *chip;
142         struct snd_vx222 *vx;
143         int i, err;
144         static struct snd_device_ops ops = {
145                 .dev_free =     snd_vx222_dev_free,
146         };
147         struct snd_vx_ops *vx_ops;
148 
149         /* enable PCI device */
150         if ((err = pci_enable_device(pci)) < 0)
151                 return err;
152         pci_set_master(pci);
153 
154         vx_ops = hw->type == VX_TYPE_BOARD ? &vx222_old_ops : &vx222_ops;
155         chip = snd_vx_create(card, hw, vx_ops,
156                              sizeof(struct snd_vx222) - sizeof(struct vx_core));
157         if (! chip) {
158                 pci_disable_device(pci);
159                 return -ENOMEM;
160         }
161         vx = (struct snd_vx222 *)chip;
162         vx->pci = pci;
163 
164         if ((err = pci_request_regions(pci, CARD_NAME)) < 0) {
165                 snd_vx222_free(chip);
166                 return err;
167         }
168         for (i = 0; i < 2; i++)
169                 vx->port[i] = pci_resource_start(pci, i + 1);
170 
171         if (request_threaded_irq(pci->irq, snd_vx_irq_handler,
172                                  snd_vx_threaded_irq_handler, IRQF_SHARED,
173                                  KBUILD_MODNAME, chip)) {
174                 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
175                 snd_vx222_free(chip);
176                 return -EBUSY;
177         }
178         chip->irq = pci->irq;
179 
180         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
181                 snd_vx222_free(chip);
182                 return err;
183         }
184 
185         *rchip = vx;
186         return 0;
187 }
188 
189 
190 static int snd_vx222_probe(struct pci_dev *pci,
191                            const struct pci_device_id *pci_id)
192 {
193         static int dev;
194         struct snd_card *card;
195         struct snd_vx_hardware *hw;
196         struct snd_vx222 *vx;
197         int err;
198 
199         if (dev >= SNDRV_CARDS)
200                 return -ENODEV;
201         if (!enable[dev]) {
202                 dev++;
203                 return -ENOENT;
204         }
205 
206         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
207                            0, &card);
208         if (err < 0)
209                 return err;
210 
211         switch ((int)pci_id->driver_data) {
212         case VX_PCI_VX222_OLD:
213                 hw = &vx222_old_hw;
214                 break;
215         case VX_PCI_VX222_NEW:
216         default:
217                 if (mic[dev])
218                         hw = &vx222_mic_hw;
219                 else
220                         hw = &vx222_v2_hw;
221                 break;
222         }
223         if ((err = snd_vx222_create(card, pci, hw, &vx)) < 0) {
224                 snd_card_free(card);
225                 return err;
226         }
227         card->private_data = vx;
228         vx->core.ibl.size = ibl[dev];
229 
230         sprintf(card->longname, "%s at 0x%lx & 0x%lx, irq %i",
231                 card->shortname, vx->port[0], vx->port[1], vx->core.irq);
232         dev_dbg(card->dev, "%s at 0x%lx & 0x%lx, irq %i\n",
233                     card->shortname, vx->port[0], vx->port[1], vx->core.irq);
234 
235 #ifdef SND_VX_FW_LOADER
236         vx->core.dev = &pci->dev;
237 #endif
238 
239         if ((err = snd_vx_setup_firmware(&vx->core)) < 0) {
240                 snd_card_free(card);
241                 return err;
242         }
243 
244         if ((err = snd_card_register(card)) < 0) {
245                 snd_card_free(card);
246                 return err;
247         }
248 
249         pci_set_drvdata(pci, card);
250         dev++;
251         return 0;
252 }
253 
254 static void snd_vx222_remove(struct pci_dev *pci)
255 {
256         snd_card_free(pci_get_drvdata(pci));
257 }
258 
259 #ifdef CONFIG_PM_SLEEP
260 static int snd_vx222_suspend(struct device *dev)
261 {
262         struct pci_dev *pci = to_pci_dev(dev);
263         struct snd_card *card = dev_get_drvdata(dev);
264         struct snd_vx222 *vx = card->private_data;
265         int err;
266 
267         err = snd_vx_suspend(&vx->core);
268         pci_disable_device(pci);
269         pci_save_state(pci);
270         pci_set_power_state(pci, PCI_D3hot);
271         return err;
272 }
273 
274 static int snd_vx222_resume(struct device *dev)
275 {
276         struct pci_dev *pci = to_pci_dev(dev);
277         struct snd_card *card = dev_get_drvdata(dev);
278         struct snd_vx222 *vx = card->private_data;
279 
280         pci_set_power_state(pci, PCI_D0);
281         pci_restore_state(pci);
282         if (pci_enable_device(pci) < 0) {
283                 dev_err(dev, "pci_enable_device failed, disabling device\n");
284                 snd_card_disconnect(card);
285                 return -EIO;
286         }
287         pci_set_master(pci);
288         return snd_vx_resume(&vx->core);
289 }
290 
291 static SIMPLE_DEV_PM_OPS(snd_vx222_pm, snd_vx222_suspend, snd_vx222_resume);
292 #define SND_VX222_PM_OPS        &snd_vx222_pm
293 #else
294 #define SND_VX222_PM_OPS        NULL
295 #endif
296 
297 static struct pci_driver vx222_driver = {
298         .name = KBUILD_MODNAME,
299         .id_table = snd_vx222_ids,
300         .probe = snd_vx222_probe,
301         .remove = snd_vx222_remove,
302         .driver = {
303                 .pm = SND_VX222_PM_OPS,
304         },
305 };
306 
307 module_pci_driver(vx222_driver);
308 

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