Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Driver for Sound Core PDAudioCF soundcard |
| 3 | * |
| 4 | * Copyright (c) 2003 by Jaroslav Kysela <perex@suse.cz> |
| 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 <sound/driver.h> |
| 22 | #include <sound/core.h> |
| 23 | #include <linux/slab.h> |
| 24 | #include <linux/moduleparam.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | #include <pcmcia/ciscode.h> |
| 26 | #include <pcmcia/cisreg.h> |
| 27 | #include "pdaudiocf.h" |
| 28 | #include <sound/initval.h> |
| 29 | #include <linux/init.h> |
| 30 | |
| 31 | /* |
| 32 | */ |
| 33 | |
| 34 | #define CARD_NAME "PDAudio-CF" |
| 35 | |
| 36 | MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); |
| 37 | MODULE_DESCRIPTION("Sound Core " CARD_NAME); |
| 38 | MODULE_LICENSE("GPL"); |
| 39 | MODULE_SUPPORTED_DEVICE("{{Sound Core," CARD_NAME "}}"); |
| 40 | |
| 41 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ |
| 42 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ |
| 43 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable switches */ |
| 44 | |
| 45 | module_param_array(index, int, NULL, 0444); |
| 46 | MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard."); |
| 47 | module_param_array(id, charp, NULL, 0444); |
| 48 | MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard."); |
| 49 | module_param_array(enable, bool, NULL, 0444); |
| 50 | MODULE_PARM_DESC(enable, "Enable " CARD_NAME " soundcard."); |
| 51 | |
| 52 | /* |
| 53 | */ |
| 54 | |
Takashi Iwai | db13154 | 2005-11-17 15:07:38 +0100 | [diff] [blame] | 55 | static struct snd_card *card_list[SNDRV_CARDS]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | |
| 57 | /* |
| 58 | * prototypes |
| 59 | */ |
| 60 | static void pdacf_config(dev_link_t *link); |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 61 | static void snd_pdacf_detach(struct pcmcia_device *p_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | |
| 63 | static void pdacf_release(dev_link_t *link) |
| 64 | { |
Dominik Brodowski | 5f2a71f | 2006-01-15 09:32:39 +0100 | [diff] [blame] | 65 | pcmcia_disable_device(link->handle); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | } |
| 67 | |
| 68 | /* |
| 69 | * destructor |
| 70 | */ |
Takashi Iwai | db13154 | 2005-11-17 15:07:38 +0100 | [diff] [blame] | 71 | static int snd_pdacf_free(struct snd_pdacf *pdacf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | { |
| 73 | dev_link_t *link = &pdacf->link; |
| 74 | |
| 75 | pdacf_release(link); |
| 76 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | card_list[pdacf->index] = NULL; |
| 78 | pdacf->card = NULL; |
| 79 | |
| 80 | kfree(pdacf); |
| 81 | return 0; |
| 82 | } |
| 83 | |
Takashi Iwai | db13154 | 2005-11-17 15:07:38 +0100 | [diff] [blame] | 84 | static int snd_pdacf_dev_free(struct snd_device *device) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | { |
Takashi Iwai | db13154 | 2005-11-17 15:07:38 +0100 | [diff] [blame] | 86 | struct snd_pdacf *chip = device->device_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | return snd_pdacf_free(chip); |
| 88 | } |
| 89 | |
| 90 | /* |
| 91 | * snd_pdacf_attach - attach callback for cs |
| 92 | */ |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 93 | static int snd_pdacf_attach(struct pcmcia_device *p_dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | { |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 95 | int i; |
| 96 | dev_link_t *link; /* Info for cardmgr */ |
Takashi Iwai | db13154 | 2005-11-17 15:07:38 +0100 | [diff] [blame] | 97 | struct snd_pdacf *pdacf; |
| 98 | struct snd_card *card; |
| 99 | static struct snd_device_ops ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | .dev_free = snd_pdacf_dev_free, |
| 101 | }; |
| 102 | |
| 103 | snd_printdd(KERN_DEBUG "pdacf_attach called\n"); |
| 104 | /* find an empty slot from the card list */ |
| 105 | for (i = 0; i < SNDRV_CARDS; i++) { |
| 106 | if (! card_list[i]) |
| 107 | break; |
| 108 | } |
| 109 | if (i >= SNDRV_CARDS) { |
| 110 | snd_printk(KERN_ERR "pdacf: too many cards found\n"); |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 111 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 112 | } |
| 113 | if (! enable[i]) |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 114 | return -ENODEV; /* disabled explicitly */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 115 | |
| 116 | /* ok, create a card instance */ |
| 117 | card = snd_card_new(index[i], id[i], THIS_MODULE, 0); |
| 118 | if (card == NULL) { |
| 119 | snd_printk(KERN_ERR "pdacf: cannot create a card instance\n"); |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 120 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | } |
| 122 | |
| 123 | pdacf = snd_pdacf_create(card); |
| 124 | if (! pdacf) |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 125 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | |
| 127 | if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, pdacf, &ops) < 0) { |
| 128 | kfree(pdacf); |
| 129 | snd_card_free(card); |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 130 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | pdacf->index = i; |
| 134 | card_list[i] = card; |
| 135 | |
| 136 | link = &pdacf->link; |
| 137 | link->priv = pdacf; |
| 138 | |
| 139 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; |
| 140 | link->io.NumPorts1 = 16; |
| 141 | |
| 142 | link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT | IRQ_FORCED_PULSE; |
| 143 | // link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED; |
| 144 | |
| 145 | link->irq.IRQInfo1 = 0 /* | IRQ_LEVEL_ID */; |
| 146 | link->irq.Handler = pdacf_interrupt; |
| 147 | link->irq.Instance = pdacf; |
| 148 | link->conf.Attributes = CONF_ENABLE_IRQ; |
| 149 | link->conf.IntType = INT_MEMORY_AND_IO; |
| 150 | link->conf.ConfigIndex = 1; |
| 151 | link->conf.Present = PRESENT_OPTION; |
| 152 | |
| 153 | /* Chain drivers */ |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 154 | link->next = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 156 | link->handle = p_dev; |
| 157 | pdacf_config(link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 158 | |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 159 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 160 | } |
| 161 | |
| 162 | |
| 163 | /** |
| 164 | * snd_pdacf_assign_resources - initialize the hardware and card instance. |
| 165 | * @port: i/o port for the card |
| 166 | * @irq: irq number for the card |
| 167 | * |
| 168 | * this function assigns the specified port and irq, boot the card, |
| 169 | * create pcm and control instances, and initialize the rest hardware. |
| 170 | * |
| 171 | * returns 0 if successful, or a negative error code. |
| 172 | */ |
Takashi Iwai | db13154 | 2005-11-17 15:07:38 +0100 | [diff] [blame] | 173 | static int snd_pdacf_assign_resources(struct snd_pdacf *pdacf, int port, int irq) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | { |
| 175 | int err; |
Takashi Iwai | db13154 | 2005-11-17 15:07:38 +0100 | [diff] [blame] | 176 | struct snd_card *card = pdacf->card; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 177 | |
| 178 | snd_printdd(KERN_DEBUG "pdacf assign resources: port = 0x%x, irq = %d\n", port, irq); |
| 179 | pdacf->port = port; |
| 180 | pdacf->irq = irq; |
| 181 | pdacf->chip_status |= PDAUDIOCF_STAT_IS_CONFIGURED; |
| 182 | |
| 183 | err = snd_pdacf_ak4117_create(pdacf); |
| 184 | if (err < 0) |
| 185 | return err; |
| 186 | |
| 187 | strcpy(card->driver, "PDAudio-CF"); |
| 188 | sprintf(card->shortname, "Core Sound %s", card->driver); |
| 189 | sprintf(card->longname, "%s at 0x%x, irq %i", |
| 190 | card->shortname, port, irq); |
| 191 | |
| 192 | err = snd_pdacf_pcm_new(pdacf); |
| 193 | if (err < 0) |
| 194 | return err; |
| 195 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | if ((err = snd_card_register(card)) < 0) |
| 197 | return err; |
| 198 | |
| 199 | return 0; |
| 200 | } |
| 201 | |
| 202 | |
| 203 | /* |
| 204 | * snd_pdacf_detach - detach callback for cs |
| 205 | */ |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 206 | static void snd_pdacf_detach(struct pcmcia_device *p_dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | { |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 208 | dev_link_t *link = dev_to_instance(p_dev); |
Takashi Iwai | db13154 | 2005-11-17 15:07:38 +0100 | [diff] [blame] | 209 | struct snd_pdacf *chip = link->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 210 | |
| 211 | snd_printdd(KERN_DEBUG "pdacf_detach called\n"); |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 212 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 213 | if (chip->chip_status & PDAUDIOCF_STAT_IS_CONFIGURED) |
| 214 | snd_pdacf_powerdown(chip); |
| 215 | chip->chip_status |= PDAUDIOCF_STAT_IS_STALE; /* to be sure */ |
| 216 | snd_card_disconnect(chip->card); |
| 217 | snd_card_free_in_thread(chip->card); |
| 218 | } |
| 219 | |
| 220 | /* |
| 221 | * configuration callback |
| 222 | */ |
| 223 | |
| 224 | #define CS_CHECK(fn, ret) \ |
| 225 | do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) |
| 226 | |
| 227 | static void pdacf_config(dev_link_t *link) |
| 228 | { |
| 229 | client_handle_t handle = link->handle; |
Takashi Iwai | db13154 | 2005-11-17 15:07:38 +0100 | [diff] [blame] | 230 | struct snd_pdacf *pdacf = link->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 231 | tuple_t tuple; |
| 232 | cisparse_t *parse = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 233 | u_short buf[32]; |
| 234 | int last_fn, last_ret; |
| 235 | |
| 236 | snd_printdd(KERN_DEBUG "pdacf_config called\n"); |
| 237 | parse = kmalloc(sizeof(*parse), GFP_KERNEL); |
| 238 | if (! parse) { |
| 239 | snd_printk(KERN_ERR "pdacf_config: cannot allocate\n"); |
| 240 | return; |
| 241 | } |
| 242 | tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; |
| 243 | tuple.Attributes = 0; |
| 244 | tuple.TupleData = (cisdata_t *)buf; |
| 245 | tuple.TupleDataMax = sizeof(buf); |
| 246 | tuple.TupleOffset = 0; |
| 247 | tuple.DesiredTuple = CISTPL_CONFIG; |
| 248 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); |
| 249 | CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); |
| 250 | CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, parse)); |
| 251 | link->conf.ConfigBase = parse->config.base; |
| 252 | link->conf.ConfigIndex = 0x5; |
| 253 | kfree(parse); |
| 254 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 255 | /* Configure card */ |
| 256 | link->state |= DEV_CONFIG; |
| 257 | |
| 258 | CS_CHECK(RequestIO, pcmcia_request_io(handle, &link->io)); |
| 259 | CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq)); |
| 260 | CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf)); |
| 261 | |
| 262 | if (snd_pdacf_assign_resources(pdacf, link->io.BasePort1, link->irq.AssignedIRQ) < 0) |
| 263 | goto failed; |
| 264 | |
| 265 | link->dev = &pdacf->node; |
| 266 | link->state &= ~DEV_CONFIG_PENDING; |
| 267 | return; |
| 268 | |
| 269 | cs_failed: |
| 270 | cs_error(link->handle, last_fn, last_ret); |
| 271 | failed: |
Dominik Brodowski | 50db3fd | 2006-01-15 10:05:19 +0100 | [diff] [blame] | 272 | pcmcia_disable_device(link->handle); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | } |
| 274 | |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 275 | #ifdef CONFIG_PM |
| 276 | |
| 277 | static int pdacf_suspend(struct pcmcia_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | { |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 279 | dev_link_t *link = dev_to_instance(dev); |
Takashi Iwai | db13154 | 2005-11-17 15:07:38 +0100 | [diff] [blame] | 280 | struct snd_pdacf *chip = link->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 282 | snd_printdd(KERN_DEBUG "SUSPEND\n"); |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 283 | if (chip) { |
| 284 | snd_printdd(KERN_DEBUG "snd_pdacf_suspend calling\n"); |
| 285 | snd_pdacf_suspend(chip, PMSG_SUSPEND); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 286 | } |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 287 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 288 | return 0; |
| 289 | } |
| 290 | |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 291 | static int pdacf_resume(struct pcmcia_device *dev) |
| 292 | { |
| 293 | dev_link_t *link = dev_to_instance(dev); |
| 294 | struct snd_pdacf *chip = link->priv; |
| 295 | |
| 296 | snd_printdd(KERN_DEBUG "RESUME\n"); |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 297 | if (DEV_OK(link)) { |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 298 | if (chip) { |
| 299 | snd_printdd(KERN_DEBUG "calling snd_pdacf_resume\n"); |
| 300 | snd_pdacf_resume(chip); |
| 301 | } |
| 302 | } |
| 303 | snd_printdd(KERN_DEBUG "resume done!\n"); |
| 304 | |
| 305 | return 0; |
| 306 | } |
| 307 | |
| 308 | #endif |
| 309 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 310 | /* |
| 311 | * Module entry points |
| 312 | */ |
Dominik Brodowski | a4ed359 | 2005-06-27 16:28:42 -0700 | [diff] [blame] | 313 | static struct pcmcia_device_id snd_pdacf_ids[] = { |
| 314 | PCMCIA_DEVICE_MANF_CARD(0x015d, 0x4c45), |
| 315 | PCMCIA_DEVICE_NULL |
| 316 | }; |
| 317 | MODULE_DEVICE_TABLE(pcmcia, snd_pdacf_ids); |
| 318 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | static struct pcmcia_driver pdacf_cs_driver = { |
Dominik Brodowski | 1e212f3 | 2005-07-07 17:59:00 -0700 | [diff] [blame] | 320 | .owner = THIS_MODULE, |
| 321 | .drv = { |
| 322 | .name = "snd-pdaudiocf", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 323 | }, |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 324 | .probe = snd_pdacf_attach, |
| 325 | .remove = snd_pdacf_detach, |
Dominik Brodowski | a4ed359 | 2005-06-27 16:28:42 -0700 | [diff] [blame] | 326 | .id_table = snd_pdacf_ids, |
Dominik Brodowski | efe3cd1 | 2006-01-06 00:27:16 +0100 | [diff] [blame] | 327 | #ifdef CONFIG_PM |
| 328 | .suspend = pdacf_suspend, |
| 329 | .resume = pdacf_resume, |
| 330 | #endif |
| 331 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 332 | }; |
| 333 | |
| 334 | static int __init init_pdacf(void) |
| 335 | { |
| 336 | return pcmcia_register_driver(&pdacf_cs_driver); |
| 337 | } |
| 338 | |
| 339 | static void __exit exit_pdacf(void) |
| 340 | { |
| 341 | pcmcia_unregister_driver(&pdacf_cs_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 342 | } |
| 343 | |
| 344 | module_init(init_pdacf); |
| 345 | module_exit(exit_pdacf); |