1
2 /*
3 * jazz16.c - driver for Media Vision Jazz16 based soundcards.
4 * Copyright (C) 2009 Krzysztof Helt <krzysztof.h1@wp.pl>
5 * Based on patches posted by Rask Ingemann Lambertsen and Rene Herman.
6 * Based on OSS Sound Blaster driver.
7 *
8 * This file is subject to the terms and conditions of the GNU General Public
9 * License. See the file COPYING in the main directory of this archive for
10 * more details.
11 *
12 */
13
14 #include <linux/init.h>
15 #include <linux/module.h>
16 #include <linux/io.h>
17 #include <linux/delay.h>
18 #include <asm/dma.h>
19 #include <linux/isa.h>
20 #include <sound/core.h>
21 #include <sound/mpu401.h>
22 #include <sound/opl3.h>
23 #include <sound/sb.h>
24 #define SNDRV_LEGACY_FIND_FREE_IRQ
25 #define SNDRV_LEGACY_FIND_FREE_DMA
26 #include <sound/initval.h>
27
28 #define PFX "jazz16: "
29
30 MODULE_DESCRIPTION("Media Vision Jazz16");
31 MODULE_AUTHOR("Krzysztof Helt <krzysztof.h1@wp.pl>");
32 MODULE_LICENSE("GPL");
33
34 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
35 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
36 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
37 static unsigned long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
38 static unsigned long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
39 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
40 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
41 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
42 static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
43
44 module_param_array(index, int, NULL, 0444);
45 MODULE_PARM_DESC(index, "Index value for Media Vision Jazz16 based soundcard.");
46 module_param_array(id, charp, NULL, 0444);
47 MODULE_PARM_DESC(id, "ID string for Media Vision Jazz16 based soundcard.");
48 module_param_array(enable, bool, NULL, 0444);
49 MODULE_PARM_DESC(enable, "Enable Media Vision Jazz16 based soundcard.");
50 module_param_hw_array(port, long, ioport, NULL, 0444);
51 MODULE_PARM_DESC(port, "Port # for jazz16 driver.");
52 module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
53 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for jazz16 driver.");
54 module_param_hw_array(irq, int, irq, NULL, 0444);
55 MODULE_PARM_DESC(irq, "IRQ # for jazz16 driver.");
56 module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
57 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for jazz16 driver.");
58 module_param_hw_array(dma8, int, dma, NULL, 0444);
59 MODULE_PARM_DESC(dma8, "DMA8 # for jazz16 driver.");
60 module_param_hw_array(dma16, int, dma, NULL, 0444);
61 MODULE_PARM_DESC(dma16, "DMA16 # for jazz16 driver.");
62
63 #define SB_JAZZ16_WAKEUP 0xaf
64 #define SB_JAZZ16_SET_PORTS 0x50
65 #define SB_DSP_GET_JAZZ_BRD_REV 0xfa
66 #define SB_JAZZ16_SET_DMAINTR 0xfb
67 #define SB_DSP_GET_JAZZ_MODEL 0xfe
68
69 struct snd_card_jazz16 {
70 struct snd_sb *chip;
71 };
72
73 static irqreturn_t jazz16_interrupt(int irq, void *chip)
74 {
75 return snd_sb8dsp_interrupt(chip);
76 }
77
78 static int jazz16_configure_ports(unsigned long port,
79 unsigned long mpu_port, int idx)
80 {
81 unsigned char val;
82
83 if (!request_region(0x201, 1, "jazz16 config")) {
84 snd_printk(KERN_ERR "config port region is already in use.\n");
85 return -EBUSY;
86 }
87 outb(SB_JAZZ16_WAKEUP - idx, 0x201);
88 udelay(100);
89 outb(SB_JAZZ16_SET_PORTS + idx, 0x201);
90 udelay(100);
91 val = port & 0x70;
92 val |= (mpu_port & 0x30) >> 4;
93 outb(val, 0x201);
94
95 release_region(0x201, 1);
96 return 0;
97 }
98
99 static int jazz16_detect_board(unsigned long port,
100 unsigned long mpu_port)
101 {
102 int err;
103 int val;
104 struct snd_sb chip;
105
106 if (!request_region(port, 0x10, "jazz16")) {
107 snd_printk(KERN_ERR "I/O port region is already in use.\n");
108 return -EBUSY;
109 }
110 /* just to call snd_sbdsp_command/reset/get_byte() */
111 chip.port = port;
112
113 err = snd_sbdsp_reset(&chip);
114 if (err < 0)
115 for (val = 0; val < 4; val++) {
116 err = jazz16_configure_ports(port, mpu_port, val);
117 if (err < 0)
118 break;
119
120 err = snd_sbdsp_reset(&chip);
121 if (!err)
122 break;
123 }
124 if (err < 0) {
125 err = -ENODEV;
126 goto err_unmap;
127 }
128 if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_BRD_REV)) {
129 err = -EBUSY;
130 goto err_unmap;
131 }
132 val = snd_sbdsp_get_byte(&chip);
133 if (val >= 0x30)
134 snd_sbdsp_get_byte(&chip);
135
136 if ((val & 0xf0) != 0x10) {
137 err = -ENODEV;
138 goto err_unmap;
139 }
140 if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_MODEL)) {
141 err = -EBUSY;
142 goto err_unmap;
143 }
144 snd_sbdsp_get_byte(&chip);
145 err = snd_sbdsp_get_byte(&chip);
146 snd_printd("Media Vision Jazz16 board detected: rev 0x%x, model 0x%x\n",
147 val, err);
148
149 err = 0;
150
151 err_unmap:
152 release_region(port, 0x10);
153 return err;
154 }
155
156 static int jazz16_configure_board(struct snd_sb *chip, int mpu_irq)
157 {
158 static const unsigned char jazz_irq_bits[] = { 0, 0, 2, 3, 0, 1, 0, 4,
159 0, 2, 5, 0, 0, 0, 0, 6 };
160 static const unsigned char jazz_dma_bits[] = { 0, 1, 0, 2, 0, 3, 0, 4 };
161
162 if (jazz_dma_bits[chip->dma8] == 0 ||
163 jazz_dma_bits[chip->dma16] == 0 ||
164 jazz_irq_bits[chip->irq] == 0)
165 return -EINVAL;
166
167 if (!snd_sbdsp_command(chip, SB_JAZZ16_SET_DMAINTR))
168 return -EBUSY;
169
170 if (!snd_sbdsp_command(chip,
171 jazz_dma_bits[chip->dma8] |
172 (jazz_dma_bits[chip->dma16] << 4)))
173 return -EBUSY;
174
175 if (!snd_sbdsp_command(chip,
176 jazz_irq_bits[chip->irq] |
177 (jazz_irq_bits[mpu_irq] << 4)))
178 return -EBUSY;
179
180 return 0;
181 }
182
183 static int snd_jazz16_match(struct device *devptr, unsigned int dev)
184 {
185 if (!enable[dev])
186 return 0;
187 if (port[dev] == SNDRV_AUTO_PORT) {
188 snd_printk(KERN_ERR "please specify port\n");
189 return 0;
190 } else if (port[dev] == 0x200 || (port[dev] & ~0x270)) {
191 snd_printk(KERN_ERR "incorrect port specified\n");
192 return 0;
193 }
194 if (dma8[dev] != SNDRV_AUTO_DMA &&
195 dma8[dev] != 1 && dma8[dev] != 3) {
196 snd_printk(KERN_ERR "dma8 must be 1 or 3\n");
197 return 0;
198 }
199 if (dma16[dev] != SNDRV_AUTO_DMA &&
200 dma16[dev] != 5 && dma16[dev] != 7) {
201 snd_printk(KERN_ERR "dma16 must be 5 or 7\n");
202 return 0;
203 }
204 if (mpu_port[dev] != SNDRV_AUTO_PORT &&
205 (mpu_port[dev] & ~0x030) != 0x300) {
206 snd_printk(KERN_ERR "incorrect mpu_port specified\n");
207 return 0;
208 }
209 if (mpu_irq[dev] != SNDRV_AUTO_DMA &&
210 mpu_irq[dev] != 2 && mpu_irq[dev] != 3 &&
211 mpu_irq[dev] != 5 && mpu_irq[dev] != 7) {
212 snd_printk(KERN_ERR "mpu_irq must be 2, 3, 5 or 7\n");
213 return 0;
214 }
215 return 1;
216 }
217
218 static int snd_jazz16_probe(struct device *devptr, unsigned int dev)
219 {
220 struct snd_card *card;
221 struct snd_card_jazz16 *jazz16;
222 struct snd_sb *chip;
223 struct snd_opl3 *opl3;
224 static const int possible_irqs[] = {2, 3, 5, 7, 9, 10, 15, -1};
225 static const int possible_dmas8[] = {1, 3, -1};
226 static const int possible_dmas16[] = {5, 7, -1};
227 int err, xirq, xdma8, xdma16, xmpu_port, xmpu_irq;
228
229 err = snd_devm_card_new(devptr, index[dev], id[dev], THIS_MODULE,
230 sizeof(struct snd_card_jazz16), &card);
231 if (err < 0)
232 return err;
233
234 jazz16 = card->private_data;
235
236 xirq = irq[dev];
237 if (xirq == SNDRV_AUTO_IRQ) {
238 xirq = snd_legacy_find_free_irq(possible_irqs);
239 if (xirq < 0) {
240 snd_printk(KERN_ERR "unable to find a free IRQ\n");
241 return -EBUSY;
242 }
243 }
244 xdma8 = dma8[dev];
245 if (xdma8 == SNDRV_AUTO_DMA) {
246 xdma8 = snd_legacy_find_free_dma(possible_dmas8);
247 if (xdma8 < 0) {
248 snd_printk(KERN_ERR "unable to find a free DMA8\n");
249 return -EBUSY;
250 }
251 }
252 xdma16 = dma16[dev];
253 if (xdma16 == SNDRV_AUTO_DMA) {
254 xdma16 = snd_legacy_find_free_dma(possible_dmas16);
255 if (xdma16 < 0) {
256 snd_printk(KERN_ERR "unable to find a free DMA16\n");
257 return -EBUSY;
258 }
259 }
260
261 xmpu_port = mpu_port[dev];
262 if (xmpu_port == SNDRV_AUTO_PORT)
263 xmpu_port = 0;
264 err = jazz16_detect_board(port[dev], xmpu_port);
265 if (err < 0) {
266 printk(KERN_ERR "Media Vision Jazz16 board not detected\n");
267 return err;
268 }
269 err = snd_sbdsp_create(card, port[dev], irq[dev],
270 jazz16_interrupt,
271 dma8[dev], dma16[dev],
272 SB_HW_JAZZ16,
273 &chip);
274 if (err < 0)
275 return err;
276
277 xmpu_irq = mpu_irq[dev];
278 if (xmpu_irq == SNDRV_AUTO_IRQ || mpu_port[dev] == SNDRV_AUTO_PORT)
279 xmpu_irq = 0;
280 err = jazz16_configure_board(chip, xmpu_irq);
281 if (err < 0) {
282 printk(KERN_ERR "Media Vision Jazz16 configuration failed\n");
283 return err;
284 }
285
286 jazz16->chip = chip;
287
288 strcpy(card->driver, "jazz16");
289 strcpy(card->shortname, "Media Vision Jazz16");
290 sprintf(card->longname,
291 "Media Vision Jazz16 at 0x%lx, irq %d, dma8 %d, dma16 %d",
292 port[dev], xirq, xdma8, xdma16);
293
294 err = snd_sb8dsp_pcm(chip, 0);
295 if (err < 0)
296 return err;
297 err = snd_sbmixer_new(chip);
298 if (err < 0)
299 return err;
300
301 err = snd_opl3_create(card, chip->port, chip->port + 2,
302 OPL3_HW_AUTO, 1, &opl3);
303 if (err < 0)
304 snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
305 chip->port, chip->port + 2);
306 else {
307 err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
308 if (err < 0)
309 return err;
310 }
311 if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
312 if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
313 mpu_irq[dev] = -1;
314
315 if (snd_mpu401_uart_new(card, 0,
316 MPU401_HW_MPU401,
317 mpu_port[dev], 0,
318 mpu_irq[dev],
319 NULL) < 0)
320 snd_printk(KERN_ERR "no MPU-401 device at 0x%lx\n",
321 mpu_port[dev]);
322 }
323
324 err = snd_card_register(card);
325 if (err < 0)
326 return err;
327
328 dev_set_drvdata(devptr, card);
329 return 0;
330 }
331
332 #ifdef CONFIG_PM
333 static int snd_jazz16_suspend(struct device *pdev, unsigned int n,
334 pm_message_t state)
335 {
336 struct snd_card *card = dev_get_drvdata(pdev);
337 struct snd_card_jazz16 *acard = card->private_data;
338 struct snd_sb *chip = acard->chip;
339
340 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
341 snd_sbmixer_suspend(chip);
342 return 0;
343 }
344
345 static int snd_jazz16_resume(struct device *pdev, unsigned int n)
346 {
347 struct snd_card *card = dev_get_drvdata(pdev);
348 struct snd_card_jazz16 *acard = card->private_data;
349 struct snd_sb *chip = acard->chip;
350
351 snd_sbdsp_reset(chip);
352 snd_sbmixer_resume(chip);
353 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
354 return 0;
355 }
356 #endif
357
358 static struct isa_driver snd_jazz16_driver = {
359 .match = snd_jazz16_match,
360 .probe = snd_jazz16_probe,
361 #ifdef CONFIG_PM
362 .suspend = snd_jazz16_suspend,
363 .resume = snd_jazz16_resume,
364 #endif
365 .driver = {
366 .name = "jazz16"
367 },
368 };
369
370 module_isa_driver(snd_jazz16_driver, SNDRV_CARDS);
371
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