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
jazz16_interrupt(int irq,void * chip)73 static irqreturn_t jazz16_interrupt(int irq, void *chip)
74 {
75 return snd_sb8dsp_interrupt(chip);
76 }
77
jazz16_configure_ports(struct snd_card * card,unsigned long port,unsigned long mpu_port,int idx)78 static int jazz16_configure_ports(struct snd_card *card,
79 unsigned long port,
80 unsigned long mpu_port, int idx)
81 {
82 unsigned char val;
83
84 if (!request_region(0x201, 1, "jazz16 config")) {
85 dev_err(card->dev, "config port region is already in use.\n");
86 return -EBUSY;
87 }
88 outb(SB_JAZZ16_WAKEUP - idx, 0x201);
89 udelay(100);
90 outb(SB_JAZZ16_SET_PORTS + idx, 0x201);
91 udelay(100);
92 val = port & 0x70;
93 val |= (mpu_port & 0x30) >> 4;
94 outb(val, 0x201);
95
96 release_region(0x201, 1);
97 return 0;
98 }
99
jazz16_detect_board(struct snd_card * card,unsigned long port,unsigned long mpu_port)100 static int jazz16_detect_board(struct snd_card *card, unsigned long port,
101 unsigned long mpu_port)
102 {
103 int err;
104 int val;
105 struct snd_sb chip = {};
106
107 if (!request_region(port, 0x10, "jazz16")) {
108 dev_err(card->dev, "I/O port region is already in use.\n");
109 return -EBUSY;
110 }
111 /* just to call snd_sbdsp_command/reset/get_byte() */
112 chip.port = port;
113
114 err = snd_sbdsp_reset(&chip);
115 if (err < 0)
116 for (val = 0; val < 4; val++) {
117 err = jazz16_configure_ports(card, port, mpu_port, val);
118 if (err < 0)
119 break;
120
121 err = snd_sbdsp_reset(&chip);
122 if (!err)
123 break;
124 }
125 if (err < 0) {
126 err = -ENODEV;
127 goto err_unmap;
128 }
129 if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_BRD_REV)) {
130 err = -EBUSY;
131 goto err_unmap;
132 }
133 val = snd_sbdsp_get_byte(&chip);
134 if (val >= 0x30)
135 snd_sbdsp_get_byte(&chip);
136
137 if ((val & 0xf0) != 0x10) {
138 err = -ENODEV;
139 goto err_unmap;
140 }
141 if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_MODEL)) {
142 err = -EBUSY;
143 goto err_unmap;
144 }
145 snd_sbdsp_get_byte(&chip);
146 err = snd_sbdsp_get_byte(&chip);
147 dev_dbg(card->dev, "Media Vision Jazz16 board detected: rev 0x%x, model 0x%x\n",
148 val, err);
149
150 err = 0;
151
152 err_unmap:
153 release_region(port, 0x10);
154 return err;
155 }
156
jazz16_configure_board(struct snd_sb * chip,int mpu_irq)157 static int jazz16_configure_board(struct snd_sb *chip, int mpu_irq)
158 {
159 static const unsigned char jazz_irq_bits[] = { 0, 0, 2, 3, 0, 1, 0, 4,
160 0, 2, 5, 0, 0, 0, 0, 6 };
161 static const unsigned char jazz_dma_bits[] = { 0, 1, 0, 2, 0, 3, 0, 4 };
162
163 if (jazz_dma_bits[chip->dma8] == 0 ||
164 jazz_dma_bits[chip->dma16] == 0 ||
165 jazz_irq_bits[chip->irq] == 0)
166 return -EINVAL;
167
168 if (!snd_sbdsp_command(chip, SB_JAZZ16_SET_DMAINTR))
169 return -EBUSY;
170
171 if (!snd_sbdsp_command(chip,
172 jazz_dma_bits[chip->dma8] |
173 (jazz_dma_bits[chip->dma16] << 4)))
174 return -EBUSY;
175
176 if (!snd_sbdsp_command(chip,
177 jazz_irq_bits[chip->irq] |
178 (jazz_irq_bits[mpu_irq] << 4)))
179 return -EBUSY;
180
181 return 0;
182 }
183
snd_jazz16_match(struct device * devptr,unsigned int dev)184 static int snd_jazz16_match(struct device *devptr, unsigned int dev)
185 {
186 if (!enable[dev])
187 return 0;
188 if (port[dev] == SNDRV_AUTO_PORT) {
189 dev_err(devptr, "please specify port\n");
190 return 0;
191 } else if (port[dev] == 0x200 || (port[dev] & ~0x270)) {
192 dev_err(devptr, "incorrect port specified\n");
193 return 0;
194 }
195 if (dma8[dev] != SNDRV_AUTO_DMA &&
196 dma8[dev] != 1 && dma8[dev] != 3) {
197 dev_err(devptr, "dma8 must be 1 or 3\n");
198 return 0;
199 }
200 if (dma16[dev] != SNDRV_AUTO_DMA &&
201 dma16[dev] != 5 && dma16[dev] != 7) {
202 dev_err(devptr, "dma16 must be 5 or 7\n");
203 return 0;
204 }
205 if (mpu_port[dev] != SNDRV_AUTO_PORT &&
206 (mpu_port[dev] & ~0x030) != 0x300) {
207 dev_err(devptr, "incorrect mpu_port specified\n");
208 return 0;
209 }
210 if (mpu_irq[dev] != SNDRV_AUTO_DMA &&
211 mpu_irq[dev] != 2 && mpu_irq[dev] != 3 &&
212 mpu_irq[dev] != 5 && mpu_irq[dev] != 7) {
213 dev_err(devptr, "mpu_irq must be 2, 3, 5 or 7\n");
214 return 0;
215 }
216 return 1;
217 }
218
snd_jazz16_probe(struct device * devptr,unsigned int dev)219 static int snd_jazz16_probe(struct device *devptr, unsigned int dev)
220 {
221 struct snd_card *card;
222 struct snd_card_jazz16 *jazz16;
223 struct snd_sb *chip;
224 struct snd_opl3 *opl3;
225 static const int possible_irqs[] = {2, 3, 5, 7, 9, 10, 15, -1};
226 static const int possible_dmas8[] = {1, 3, -1};
227 static const int possible_dmas16[] = {5, 7, -1};
228 int err, xirq, xdma8, xdma16, xmpu_port, xmpu_irq;
229
230 err = snd_devm_card_new(devptr, index[dev], id[dev], THIS_MODULE,
231 sizeof(struct snd_card_jazz16), &card);
232 if (err < 0)
233 return err;
234
235 jazz16 = card->private_data;
236
237 xirq = irq[dev];
238 if (xirq == SNDRV_AUTO_IRQ) {
239 xirq = snd_legacy_find_free_irq(possible_irqs);
240 if (xirq < 0) {
241 dev_err(devptr, "unable to find a free IRQ\n");
242 return -EBUSY;
243 }
244 }
245 xdma8 = dma8[dev];
246 if (xdma8 == SNDRV_AUTO_DMA) {
247 xdma8 = snd_legacy_find_free_dma(possible_dmas8);
248 if (xdma8 < 0) {
249 dev_err(devptr, "unable to find a free DMA8\n");
250 return -EBUSY;
251 }
252 }
253 xdma16 = dma16[dev];
254 if (xdma16 == SNDRV_AUTO_DMA) {
255 xdma16 = snd_legacy_find_free_dma(possible_dmas16);
256 if (xdma16 < 0) {
257 dev_err(devptr, "unable to find a free DMA16\n");
258 return -EBUSY;
259 }
260 }
261
262 xmpu_port = mpu_port[dev];
263 if (xmpu_port == SNDRV_AUTO_PORT)
264 xmpu_port = 0;
265 err = jazz16_detect_board(card, port[dev], xmpu_port);
266 if (err < 0) {
267 dev_err(devptr, "Media Vision Jazz16 board not detected\n");
268 return err;
269 }
270 err = snd_sbdsp_create(card, port[dev], irq[dev],
271 jazz16_interrupt,
272 dma8[dev], dma16[dev],
273 SB_HW_JAZZ16,
274 &chip);
275 if (err < 0)
276 return err;
277
278 xmpu_irq = mpu_irq[dev];
279 if (xmpu_irq == SNDRV_AUTO_IRQ || mpu_port[dev] == SNDRV_AUTO_PORT)
280 xmpu_irq = 0;
281 err = jazz16_configure_board(chip, xmpu_irq);
282 if (err < 0) {
283 dev_err(devptr, "Media Vision Jazz16 configuration failed\n");
284 return err;
285 }
286
287 jazz16->chip = chip;
288
289 strcpy(card->driver, "jazz16");
290 strcpy(card->shortname, "Media Vision Jazz16");
291 sprintf(card->longname,
292 "Media Vision Jazz16 at 0x%lx, irq %d, dma8 %d, dma16 %d",
293 port[dev], xirq, xdma8, xdma16);
294
295 err = snd_sb8dsp_pcm(chip, 0);
296 if (err < 0)
297 return err;
298 err = snd_sbmixer_new(chip);
299 if (err < 0)
300 return err;
301
302 err = snd_opl3_create(card, chip->port, chip->port + 2,
303 OPL3_HW_AUTO, 1, &opl3);
304 if (err < 0)
305 dev_warn(devptr, "no OPL device at 0x%lx-0x%lx\n",
306 chip->port, chip->port + 2);
307 else {
308 err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
309 if (err < 0)
310 return err;
311 }
312 if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
313 if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
314 mpu_irq[dev] = -1;
315
316 if (snd_mpu401_uart_new(card, 0,
317 MPU401_HW_MPU401,
318 mpu_port[dev], 0,
319 mpu_irq[dev],
320 NULL) < 0)
321 dev_err(devptr, "no MPU-401 device at 0x%lx\n",
322 mpu_port[dev]);
323 }
324
325 err = snd_card_register(card);
326 if (err < 0)
327 return err;
328
329 dev_set_drvdata(devptr, card);
330 return 0;
331 }
332
333 #ifdef CONFIG_PM
snd_jazz16_suspend(struct device * pdev,unsigned int n,pm_message_t state)334 static int snd_jazz16_suspend(struct device *pdev, unsigned int n,
335 pm_message_t state)
336 {
337 struct snd_card *card = dev_get_drvdata(pdev);
338 struct snd_card_jazz16 *acard = card->private_data;
339 struct snd_sb *chip = acard->chip;
340
341 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
342 snd_sbmixer_suspend(chip);
343 return 0;
344 }
345
snd_jazz16_resume(struct device * pdev,unsigned int n)346 static int snd_jazz16_resume(struct device *pdev, unsigned int n)
347 {
348 struct snd_card *card = dev_get_drvdata(pdev);
349 struct snd_card_jazz16 *acard = card->private_data;
350 struct snd_sb *chip = acard->chip;
351
352 snd_sbdsp_reset(chip);
353 snd_sbmixer_resume(chip);
354 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
355 return 0;
356 }
357 #endif
358
359 static struct isa_driver snd_jazz16_driver = {
360 .match = snd_jazz16_match,
361 .probe = snd_jazz16_probe,
362 #ifdef CONFIG_PM
363 .suspend = snd_jazz16_suspend,
364 .resume = snd_jazz16_resume,
365 #endif
366 .driver = {
367 .name = "jazz16"
368 },
369 };
370
371 module_isa_driver(snd_jazz16_driver, SNDRV_CARDS);
372