1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * Driver for Digigram VXpocket V2/440 soundcards |
4 | * |
5 | * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> |
6 | |
7 | */ |
8 | |
9 | |
10 | #include <linux/init.h> |
11 | #include <linux/module.h> |
12 | #include <linux/slab.h> |
13 | #include <sound/core.h> |
14 | #include "vxpocket.h" |
15 | #include <pcmcia/ciscode.h> |
16 | #include <pcmcia/cisreg.h> |
17 | #include <sound/initval.h> |
18 | #include <sound/tlv.h> |
19 | |
20 | MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>" ); |
21 | MODULE_DESCRIPTION("Digigram VXPocket" ); |
22 | MODULE_LICENSE("GPL" ); |
23 | |
24 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ |
25 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ |
26 | static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable switches */ |
27 | static int ibl[SNDRV_CARDS]; |
28 | |
29 | module_param_array(index, int, NULL, 0444); |
30 | MODULE_PARM_DESC(index, "Index value for VXPocket soundcard." ); |
31 | module_param_array(id, charp, NULL, 0444); |
32 | MODULE_PARM_DESC(id, "ID string for VXPocket soundcard." ); |
33 | module_param_array(enable, bool, NULL, 0444); |
34 | MODULE_PARM_DESC(enable, "Enable VXPocket soundcard." ); |
35 | module_param_array(ibl, int, NULL, 0444); |
36 | MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard." ); |
37 | |
38 | |
39 | /* |
40 | */ |
41 | |
42 | static unsigned int card_alloc; |
43 | |
44 | |
45 | /* |
46 | */ |
47 | static void vxpocket_release(struct pcmcia_device *link) |
48 | { |
49 | free_irq(link->irq, link->priv); |
50 | pcmcia_disable_device(p_dev: link); |
51 | } |
52 | |
53 | /* |
54 | * Hardware information |
55 | */ |
56 | |
57 | /* VX-pocket V2 |
58 | * |
59 | * 1 DSP, 1 sync UER |
60 | * 1 programmable clock (NIY) |
61 | * 1 stereo analog input (line/micro) |
62 | * 1 stereo analog output |
63 | * Only output levels can be modified |
64 | */ |
65 | |
66 | static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0); |
67 | |
68 | static const struct snd_vx_hardware vxpocket_hw = { |
69 | .name = "VXPocket" , |
70 | .type = VX_TYPE_VXPOCKET, |
71 | |
72 | /* hardware specs */ |
73 | .num_codecs = 1, |
74 | .num_ins = 1, |
75 | .num_outs = 1, |
76 | .output_level_max = VX_ANALOG_OUT_LEVEL_MAX, |
77 | .output_level_db_scale = db_scale_old_vol, |
78 | }; |
79 | |
80 | /* VX-pocket 440 |
81 | * |
82 | * 1 DSP, 1 sync UER, 1 sync World Clock (NIY) |
83 | * SMPTE (NIY) |
84 | * 2 stereo analog input (line/micro) |
85 | * 2 stereo analog output |
86 | * Only output levels can be modified |
87 | * UER, but only for the first two inputs and outputs. |
88 | */ |
89 | |
90 | static const struct snd_vx_hardware vxp440_hw = { |
91 | .name = "VXPocket440" , |
92 | .type = VX_TYPE_VXP440, |
93 | |
94 | /* hardware specs */ |
95 | .num_codecs = 2, |
96 | .num_ins = 2, |
97 | .num_outs = 2, |
98 | .output_level_max = VX_ANALOG_OUT_LEVEL_MAX, |
99 | .output_level_db_scale = db_scale_old_vol, |
100 | }; |
101 | |
102 | |
103 | /* |
104 | * create vxpocket instance |
105 | */ |
106 | static int snd_vxpocket_new(struct snd_card *card, int ibl, |
107 | struct pcmcia_device *link, |
108 | struct snd_vxpocket **chip_ret) |
109 | { |
110 | struct vx_core *chip; |
111 | struct snd_vxpocket *vxp; |
112 | |
113 | chip = snd_vx_create(card, hw: &vxpocket_hw, ops: &snd_vxpocket_ops, |
114 | extra_size: sizeof(struct snd_vxpocket) - sizeof(struct vx_core)); |
115 | if (!chip) |
116 | return -ENOMEM; |
117 | |
118 | chip->ibl.size = ibl; |
119 | |
120 | vxp = to_vxpocket(chip); |
121 | |
122 | vxp->p_dev = link; |
123 | link->priv = chip; |
124 | |
125 | link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; |
126 | link->resource[0]->end = 16; |
127 | |
128 | link->config_flags |= CONF_ENABLE_IRQ; |
129 | link->config_index = 1; |
130 | link->config_regs = PRESENT_OPTION; |
131 | |
132 | *chip_ret = vxp; |
133 | return 0; |
134 | } |
135 | |
136 | |
137 | /** |
138 | * snd_vxpocket_assign_resources - initialize the hardware and card instance. |
139 | * @chip: VX core instance |
140 | * @port: i/o port for the card |
141 | * @irq: irq number for the card |
142 | * |
143 | * this function assigns the specified port and irq, boot the card, |
144 | * create pcm and control instances, and initialize the rest hardware. |
145 | * |
146 | * returns 0 if successful, or a negative error code. |
147 | */ |
148 | static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq) |
149 | { |
150 | int err; |
151 | struct snd_card *card = chip->card; |
152 | struct snd_vxpocket *vxp = to_vxpocket(chip); |
153 | |
154 | snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n" , port, irq); |
155 | vxp->port = port; |
156 | |
157 | sprintf(buf: card->shortname, fmt: "Digigram %s" , card->driver); |
158 | sprintf(buf: card->longname, fmt: "%s at 0x%x, irq %i" , |
159 | card->shortname, port, irq); |
160 | |
161 | chip->irq = irq; |
162 | card->sync_irq = chip->irq; |
163 | |
164 | err = snd_vx_setup_firmware(chip); |
165 | if (err < 0) |
166 | return err; |
167 | |
168 | return 0; |
169 | } |
170 | |
171 | |
172 | /* |
173 | * configuration callback |
174 | */ |
175 | |
176 | static int vxpocket_config(struct pcmcia_device *link) |
177 | { |
178 | struct vx_core *chip = link->priv; |
179 | int ret; |
180 | |
181 | snd_printdd(KERN_DEBUG "vxpocket_config called\n" ); |
182 | |
183 | /* redefine hardware record according to the VERSION1 string */ |
184 | if (!strcmp(link->prod_id[1], "VX-POCKET" )) { |
185 | snd_printdd("VX-pocket is detected\n" ); |
186 | } else { |
187 | snd_printdd("VX-pocket 440 is detected\n" ); |
188 | /* overwrite the hardware information */ |
189 | chip->hw = &vxp440_hw; |
190 | chip->type = vxp440_hw.type; |
191 | strcpy(p: chip->card->driver, q: vxp440_hw.name); |
192 | } |
193 | |
194 | ret = pcmcia_request_io(p_dev: link); |
195 | if (ret) |
196 | goto failed_preirq; |
197 | |
198 | ret = request_threaded_irq(irq: link->irq, handler: snd_vx_irq_handler, |
199 | thread_fn: snd_vx_threaded_irq_handler, |
200 | IRQF_SHARED, name: link->devname, dev: link->priv); |
201 | if (ret) |
202 | goto failed_preirq; |
203 | |
204 | ret = pcmcia_enable_device(p_dev: link); |
205 | if (ret) |
206 | goto failed; |
207 | |
208 | chip->dev = &link->dev; |
209 | |
210 | if (snd_vxpocket_assign_resources(chip, port: link->resource[0]->start, |
211 | irq: link->irq) < 0) |
212 | goto failed; |
213 | |
214 | return 0; |
215 | |
216 | failed: |
217 | free_irq(link->irq, link->priv); |
218 | failed_preirq: |
219 | pcmcia_disable_device(p_dev: link); |
220 | return -ENODEV; |
221 | } |
222 | |
223 | #ifdef CONFIG_PM |
224 | |
225 | static int vxp_suspend(struct pcmcia_device *link) |
226 | { |
227 | struct vx_core *chip = link->priv; |
228 | |
229 | snd_printdd(KERN_DEBUG "SUSPEND\n" ); |
230 | if (chip) { |
231 | snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n" ); |
232 | snd_vx_suspend(card: chip); |
233 | } |
234 | |
235 | return 0; |
236 | } |
237 | |
238 | static int vxp_resume(struct pcmcia_device *link) |
239 | { |
240 | struct vx_core *chip = link->priv; |
241 | |
242 | snd_printdd(KERN_DEBUG "RESUME\n" ); |
243 | if (pcmcia_dev_present(p_dev: link)) { |
244 | //struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; |
245 | if (chip) { |
246 | snd_printdd(KERN_DEBUG "calling snd_vx_resume\n" ); |
247 | snd_vx_resume(card: chip); |
248 | } |
249 | } |
250 | snd_printdd(KERN_DEBUG "resume done!\n" ); |
251 | |
252 | return 0; |
253 | } |
254 | |
255 | #endif |
256 | |
257 | |
258 | /* |
259 | */ |
260 | static int vxpocket_probe(struct pcmcia_device *p_dev) |
261 | { |
262 | struct snd_card *card; |
263 | struct snd_vxpocket *vxp; |
264 | int i, err; |
265 | |
266 | /* find an empty slot from the card list */ |
267 | for (i = 0; i < SNDRV_CARDS; i++) { |
268 | if (!(card_alloc & (1 << i))) |
269 | break; |
270 | } |
271 | if (i >= SNDRV_CARDS) { |
272 | snd_printk(KERN_ERR "vxpocket: too many cards found\n" ); |
273 | return -EINVAL; |
274 | } |
275 | if (! enable[i]) |
276 | return -ENODEV; /* disabled explicitly */ |
277 | |
278 | /* ok, create a card instance */ |
279 | err = snd_card_new(parent: &p_dev->dev, idx: index[i], xid: id[i], THIS_MODULE, |
280 | extra_size: 0, card_ret: &card); |
281 | if (err < 0) { |
282 | snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n" ); |
283 | return err; |
284 | } |
285 | |
286 | err = snd_vxpocket_new(card, ibl: ibl[i], link: p_dev, chip_ret: &vxp); |
287 | if (err < 0) { |
288 | snd_card_free(card); |
289 | return err; |
290 | } |
291 | card->private_data = vxp; |
292 | |
293 | vxp->index = i; |
294 | card_alloc |= 1 << i; |
295 | |
296 | vxp->p_dev = p_dev; |
297 | |
298 | return vxpocket_config(link: p_dev); |
299 | } |
300 | |
301 | static void vxpocket_detach(struct pcmcia_device *link) |
302 | { |
303 | struct snd_vxpocket *vxp; |
304 | struct vx_core *chip; |
305 | |
306 | if (! link) |
307 | return; |
308 | |
309 | vxp = link->priv; |
310 | chip = (struct vx_core *)vxp; |
311 | card_alloc &= ~(1 << vxp->index); |
312 | |
313 | chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */ |
314 | snd_card_disconnect(card: chip->card); |
315 | vxpocket_release(link); |
316 | snd_card_free_when_closed(card: chip->card); |
317 | } |
318 | |
319 | /* |
320 | * Module entry points |
321 | */ |
322 | |
323 | static const struct pcmcia_device_id vxp_ids[] = { |
324 | PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100), |
325 | PCMCIA_DEVICE_NULL |
326 | }; |
327 | MODULE_DEVICE_TABLE(pcmcia, vxp_ids); |
328 | |
329 | static struct pcmcia_driver vxp_cs_driver = { |
330 | .owner = THIS_MODULE, |
331 | .name = "snd-vxpocket" , |
332 | .probe = vxpocket_probe, |
333 | .remove = vxpocket_detach, |
334 | .id_table = vxp_ids, |
335 | #ifdef CONFIG_PM |
336 | .suspend = vxp_suspend, |
337 | .resume = vxp_resume, |
338 | #endif |
339 | }; |
340 | module_pcmcia_driver(vxp_cs_driver); |
341 | |