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1da177e4 LT |
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> | |
1da177e4 LT |
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 | ||
db131548 | 55 | static struct snd_card *card_list[SNDRV_CARDS]; |
1da177e4 LT |
56 | |
57 | /* | |
58 | * prototypes | |
59 | */ | |
15b99ac1 | 60 | static int pdacf_config(struct pcmcia_device *link); |
efe3cd10 | 61 | static void snd_pdacf_detach(struct pcmcia_device *p_dev); |
1da177e4 | 62 | |
fba395ee | 63 | static void pdacf_release(struct pcmcia_device *link) |
1da177e4 | 64 | { |
fba395ee | 65 | pcmcia_disable_device(link); |
1da177e4 LT |
66 | } |
67 | ||
68 | /* | |
69 | * destructor | |
70 | */ | |
db131548 | 71 | static int snd_pdacf_free(struct snd_pdacf *pdacf) |
1da177e4 | 72 | { |
fba395ee | 73 | struct pcmcia_device *link = pdacf->p_dev; |
1da177e4 LT |
74 | |
75 | pdacf_release(link); | |
76 | ||
1da177e4 LT |
77 | card_list[pdacf->index] = NULL; |
78 | pdacf->card = NULL; | |
79 | ||
80 | kfree(pdacf); | |
81 | return 0; | |
82 | } | |
83 | ||
db131548 | 84 | static int snd_pdacf_dev_free(struct snd_device *device) |
1da177e4 | 85 | { |
db131548 | 86 | struct snd_pdacf *chip = device->device_data; |
1da177e4 LT |
87 | return snd_pdacf_free(chip); |
88 | } | |
89 | ||
90 | /* | |
91 | * snd_pdacf_attach - attach callback for cs | |
92 | */ | |
15b99ac1 | 93 | static int snd_pdacf_probe(struct pcmcia_device *link) |
1da177e4 | 94 | { |
efe3cd10 | 95 | int i; |
db131548 TI |
96 | struct snd_pdacf *pdacf; |
97 | struct snd_card *card; | |
98 | static struct snd_device_ops ops = { | |
1da177e4 LT |
99 | .dev_free = snd_pdacf_dev_free, |
100 | }; | |
101 | ||
102 | snd_printdd(KERN_DEBUG "pdacf_attach called\n"); | |
103 | /* find an empty slot from the card list */ | |
104 | for (i = 0; i < SNDRV_CARDS; i++) { | |
105 | if (! card_list[i]) | |
106 | break; | |
107 | } | |
108 | if (i >= SNDRV_CARDS) { | |
109 | snd_printk(KERN_ERR "pdacf: too many cards found\n"); | |
efe3cd10 | 110 | return -EINVAL; |
1da177e4 LT |
111 | } |
112 | if (! enable[i]) | |
efe3cd10 | 113 | return -ENODEV; /* disabled explicitly */ |
1da177e4 LT |
114 | |
115 | /* ok, create a card instance */ | |
116 | card = snd_card_new(index[i], id[i], THIS_MODULE, 0); | |
117 | if (card == NULL) { | |
118 | snd_printk(KERN_ERR "pdacf: cannot create a card instance\n"); | |
efe3cd10 | 119 | return -ENOMEM; |
1da177e4 LT |
120 | } |
121 | ||
122 | pdacf = snd_pdacf_create(card); | |
123 | if (! pdacf) | |
efe3cd10 | 124 | return -EIO; |
1da177e4 LT |
125 | |
126 | if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, pdacf, &ops) < 0) { | |
127 | kfree(pdacf); | |
128 | snd_card_free(card); | |
efe3cd10 | 129 | return -ENODEV; |
1da177e4 LT |
130 | } |
131 | ||
132 | pdacf->index = i; | |
133 | card_list[i] = card; | |
134 | ||
fba395ee | 135 | pdacf->p_dev = link; |
1da177e4 LT |
136 | link->priv = pdacf; |
137 | ||
138 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; | |
139 | link->io.NumPorts1 = 16; | |
140 | ||
141 | link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT | IRQ_FORCED_PULSE; | |
142 | // link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED; | |
143 | ||
144 | link->irq.IRQInfo1 = 0 /* | IRQ_LEVEL_ID */; | |
145 | link->irq.Handler = pdacf_interrupt; | |
146 | link->irq.Instance = pdacf; | |
147 | link->conf.Attributes = CONF_ENABLE_IRQ; | |
148 | link->conf.IntType = INT_MEMORY_AND_IO; | |
149 | link->conf.ConfigIndex = 1; | |
150 | link->conf.Present = PRESENT_OPTION; | |
151 | ||
15b99ac1 | 152 | return pdacf_config(link); |
1da177e4 LT |
153 | } |
154 | ||
155 | ||
156 | /** | |
157 | * snd_pdacf_assign_resources - initialize the hardware and card instance. | |
158 | * @port: i/o port for the card | |
159 | * @irq: irq number for the card | |
160 | * | |
161 | * this function assigns the specified port and irq, boot the card, | |
162 | * create pcm and control instances, and initialize the rest hardware. | |
163 | * | |
164 | * returns 0 if successful, or a negative error code. | |
165 | */ | |
db131548 | 166 | static int snd_pdacf_assign_resources(struct snd_pdacf *pdacf, int port, int irq) |
1da177e4 LT |
167 | { |
168 | int err; | |
db131548 | 169 | struct snd_card *card = pdacf->card; |
1da177e4 LT |
170 | |
171 | snd_printdd(KERN_DEBUG "pdacf assign resources: port = 0x%x, irq = %d\n", port, irq); | |
172 | pdacf->port = port; | |
173 | pdacf->irq = irq; | |
174 | pdacf->chip_status |= PDAUDIOCF_STAT_IS_CONFIGURED; | |
175 | ||
176 | err = snd_pdacf_ak4117_create(pdacf); | |
177 | if (err < 0) | |
178 | return err; | |
179 | ||
180 | strcpy(card->driver, "PDAudio-CF"); | |
181 | sprintf(card->shortname, "Core Sound %s", card->driver); | |
182 | sprintf(card->longname, "%s at 0x%x, irq %i", | |
183 | card->shortname, port, irq); | |
184 | ||
185 | err = snd_pdacf_pcm_new(pdacf); | |
186 | if (err < 0) | |
187 | return err; | |
188 | ||
1da177e4 LT |
189 | if ((err = snd_card_register(card)) < 0) |
190 | return err; | |
191 | ||
192 | return 0; | |
193 | } | |
194 | ||
195 | ||
196 | /* | |
197 | * snd_pdacf_detach - detach callback for cs | |
198 | */ | |
fba395ee | 199 | static void snd_pdacf_detach(struct pcmcia_device *link) |
1da177e4 | 200 | { |
db131548 | 201 | struct snd_pdacf *chip = link->priv; |
1da177e4 LT |
202 | |
203 | snd_printdd(KERN_DEBUG "pdacf_detach called\n"); | |
efe3cd10 | 204 | |
1da177e4 LT |
205 | if (chip->chip_status & PDAUDIOCF_STAT_IS_CONFIGURED) |
206 | snd_pdacf_powerdown(chip); | |
207 | chip->chip_status |= PDAUDIOCF_STAT_IS_STALE; /* to be sure */ | |
208 | snd_card_disconnect(chip->card); | |
209 | snd_card_free_in_thread(chip->card); | |
210 | } | |
211 | ||
212 | /* | |
213 | * configuration callback | |
214 | */ | |
215 | ||
216 | #define CS_CHECK(fn, ret) \ | |
217 | do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) | |
218 | ||
15b99ac1 | 219 | static int pdacf_config(struct pcmcia_device *link) |
1da177e4 | 220 | { |
db131548 | 221 | struct snd_pdacf *pdacf = link->priv; |
1da177e4 LT |
222 | tuple_t tuple; |
223 | cisparse_t *parse = NULL; | |
1da177e4 LT |
224 | u_short buf[32]; |
225 | int last_fn, last_ret; | |
226 | ||
227 | snd_printdd(KERN_DEBUG "pdacf_config called\n"); | |
228 | parse = kmalloc(sizeof(*parse), GFP_KERNEL); | |
229 | if (! parse) { | |
230 | snd_printk(KERN_ERR "pdacf_config: cannot allocate\n"); | |
15b99ac1 | 231 | return -ENOMEM; |
1da177e4 LT |
232 | } |
233 | tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; | |
234 | tuple.Attributes = 0; | |
235 | tuple.TupleData = (cisdata_t *)buf; | |
236 | tuple.TupleDataMax = sizeof(buf); | |
237 | tuple.TupleOffset = 0; | |
238 | tuple.DesiredTuple = CISTPL_CONFIG; | |
fba395ee DB |
239 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); |
240 | CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); | |
241 | CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, parse)); | |
1da177e4 LT |
242 | link->conf.ConfigBase = parse->config.base; |
243 | link->conf.ConfigIndex = 0x5; | |
244 | kfree(parse); | |
245 | ||
1da177e4 LT |
246 | /* Configure card */ |
247 | link->state |= DEV_CONFIG; | |
248 | ||
fba395ee DB |
249 | CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io)); |
250 | CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); | |
251 | CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); | |
1da177e4 LT |
252 | |
253 | if (snd_pdacf_assign_resources(pdacf, link->io.BasePort1, link->irq.AssignedIRQ) < 0) | |
254 | goto failed; | |
255 | ||
fd238232 | 256 | link->dev_node = &pdacf->node; |
1da177e4 | 257 | link->state &= ~DEV_CONFIG_PENDING; |
15b99ac1 | 258 | return 0; |
1da177e4 LT |
259 | |
260 | cs_failed: | |
fba395ee | 261 | cs_error(link, last_fn, last_ret); |
1da177e4 | 262 | failed: |
fba395ee | 263 | pcmcia_disable_device(link); |
15b99ac1 | 264 | return -ENODEV; |
1da177e4 LT |
265 | } |
266 | ||
efe3cd10 DB |
267 | #ifdef CONFIG_PM |
268 | ||
fba395ee | 269 | static int pdacf_suspend(struct pcmcia_device *link) |
1da177e4 | 270 | { |
db131548 | 271 | struct snd_pdacf *chip = link->priv; |
1da177e4 | 272 | |
efe3cd10 | 273 | snd_printdd(KERN_DEBUG "SUSPEND\n"); |
efe3cd10 DB |
274 | if (chip) { |
275 | snd_printdd(KERN_DEBUG "snd_pdacf_suspend calling\n"); | |
276 | snd_pdacf_suspend(chip, PMSG_SUSPEND); | |
277 | } | |
278 | ||
efe3cd10 DB |
279 | return 0; |
280 | } | |
281 | ||
fba395ee | 282 | static int pdacf_resume(struct pcmcia_device *link) |
efe3cd10 | 283 | { |
efe3cd10 DB |
284 | struct snd_pdacf *chip = link->priv; |
285 | ||
286 | snd_printdd(KERN_DEBUG "RESUME\n"); | |
efe3cd10 | 287 | if (DEV_OK(link)) { |
1da177e4 | 288 | if (chip) { |
efe3cd10 DB |
289 | snd_printdd(KERN_DEBUG "calling snd_pdacf_resume\n"); |
290 | snd_pdacf_resume(chip); | |
1da177e4 | 291 | } |
1da177e4 | 292 | } |
efe3cd10 DB |
293 | snd_printdd(KERN_DEBUG "resume done!\n"); |
294 | ||
1da177e4 LT |
295 | return 0; |
296 | } | |
297 | ||
efe3cd10 DB |
298 | #endif |
299 | ||
1da177e4 LT |
300 | /* |
301 | * Module entry points | |
302 | */ | |
a4ed3598 DB |
303 | static struct pcmcia_device_id snd_pdacf_ids[] = { |
304 | PCMCIA_DEVICE_MANF_CARD(0x015d, 0x4c45), | |
305 | PCMCIA_DEVICE_NULL | |
306 | }; | |
307 | MODULE_DEVICE_TABLE(pcmcia, snd_pdacf_ids); | |
308 | ||
1da177e4 | 309 | static struct pcmcia_driver pdacf_cs_driver = { |
1e212f36 DB |
310 | .owner = THIS_MODULE, |
311 | .drv = { | |
312 | .name = "snd-pdaudiocf", | |
1da177e4 | 313 | }, |
15b99ac1 | 314 | .probe = snd_pdacf_probe, |
efe3cd10 | 315 | .remove = snd_pdacf_detach, |
a4ed3598 | 316 | .id_table = snd_pdacf_ids, |
efe3cd10 DB |
317 | #ifdef CONFIG_PM |
318 | .suspend = pdacf_suspend, | |
319 | .resume = pdacf_resume, | |
320 | #endif | |
321 | ||
1da177e4 LT |
322 | }; |
323 | ||
324 | static int __init init_pdacf(void) | |
325 | { | |
326 | return pcmcia_register_driver(&pdacf_cs_driver); | |
327 | } | |
328 | ||
329 | static void __exit exit_pdacf(void) | |
330 | { | |
331 | pcmcia_unregister_driver(&pdacf_cs_driver); | |
1da177e4 LT |
332 | } |
333 | ||
334 | module_init(init_pdacf); | |
335 | module_exit(exit_pdacf); |