~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/sound/isa/sb/jazz16.c

Version: ~ [ linux-5.4-rc7 ] ~ [ linux-5.3.11 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.84 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.154 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.201 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.201 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.77 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  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_SUPPORTED_DEVICE("{{Media Vision ??? },"
 32                 "{RTL,RTL3000}}");
 33 
 34 MODULE_AUTHOR("Krzysztof Helt <krzysztof.h1@wp.pl>");
 35 MODULE_LICENSE("GPL");
 36 
 37 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
 38 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
 39 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
 40 static unsigned long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
 41 static unsigned long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
 42 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
 43 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
 44 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
 45 static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
 46 
 47 module_param_array(index, int, NULL, 0444);
 48 MODULE_PARM_DESC(index, "Index value for Media Vision Jazz16 based soundcard.");
 49 module_param_array(id, charp, NULL, 0444);
 50 MODULE_PARM_DESC(id, "ID string for Media Vision Jazz16 based soundcard.");
 51 module_param_array(enable, bool, NULL, 0444);
 52 MODULE_PARM_DESC(enable, "Enable Media Vision Jazz16 based soundcard.");
 53 module_param_array(port, long, NULL, 0444);
 54 MODULE_PARM_DESC(port, "Port # for jazz16 driver.");
 55 module_param_array(mpu_port, long, NULL, 0444);
 56 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for jazz16 driver.");
 57 module_param_array(irq, int, NULL, 0444);
 58 MODULE_PARM_DESC(irq, "IRQ # for jazz16 driver.");
 59 module_param_array(mpu_irq, int, NULL, 0444);
 60 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for jazz16 driver.");
 61 module_param_array(dma8, int, NULL, 0444);
 62 MODULE_PARM_DESC(dma8, "DMA8 # for jazz16 driver.");
 63 module_param_array(dma16, int, NULL, 0444);
 64 MODULE_PARM_DESC(dma16, "DMA16 # for jazz16 driver.");
 65 
 66 #define SB_JAZZ16_WAKEUP        0xaf
 67 #define SB_JAZZ16_SET_PORTS     0x50
 68 #define SB_DSP_GET_JAZZ_BRD_REV 0xfa
 69 #define SB_JAZZ16_SET_DMAINTR   0xfb
 70 #define SB_DSP_GET_JAZZ_MODEL   0xfe
 71 
 72 struct snd_card_jazz16 {
 73         struct snd_sb *chip;
 74 };
 75 
 76 static irqreturn_t jazz16_interrupt(int irq, void *chip)
 77 {
 78         return snd_sb8dsp_interrupt(chip);
 79 }
 80 
 81 static int jazz16_configure_ports(unsigned long port,
 82                                   unsigned long mpu_port, int idx)
 83 {
 84         unsigned char val;
 85 
 86         if (!request_region(0x201, 1, "jazz16 config")) {
 87                 snd_printk(KERN_ERR "config port region is already in use.\n");
 88                 return -EBUSY;
 89         }
 90         outb(SB_JAZZ16_WAKEUP - idx, 0x201);
 91         udelay(100);
 92         outb(SB_JAZZ16_SET_PORTS + idx, 0x201);
 93         udelay(100);
 94         val = port & 0x70;
 95         val |= (mpu_port & 0x30) >> 4;
 96         outb(val, 0x201);
 97 
 98         release_region(0x201, 1);
 99         return 0;
100 }
101 
102 static int jazz16_detect_board(unsigned long port,
103                                unsigned long mpu_port)
104 {
105         int err;
106         int val;
107         struct snd_sb chip;
108 
109         if (!request_region(port, 0x10, "jazz16")) {
110                 snd_printk(KERN_ERR "I/O port region is already in use.\n");
111                 return -EBUSY;
112         }
113         /* just to call snd_sbdsp_command/reset/get_byte() */
114         chip.port = port;
115 
116         err = snd_sbdsp_reset(&chip);
117         if (err < 0)
118                 for (val = 0; val < 4; val++) {
119                         err = jazz16_configure_ports(port, mpu_port, val);
120                         if (err < 0)
121                                 break;
122 
123                         err = snd_sbdsp_reset(&chip);
124                         if (!err)
125                                 break;
126                 }
127         if (err < 0) {
128                 err = -ENODEV;
129                 goto err_unmap;
130         }
131         if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_BRD_REV)) {
132                 err = -EBUSY;
133                 goto err_unmap;
134         }
135         val = snd_sbdsp_get_byte(&chip);
136         if (val >= 0x30)
137                 snd_sbdsp_get_byte(&chip);
138 
139         if ((val & 0xf0) != 0x10) {
140                 err = -ENODEV;
141                 goto err_unmap;
142         }
143         if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_MODEL)) {
144                 err = -EBUSY;
145                 goto err_unmap;
146         }
147         snd_sbdsp_get_byte(&chip);
148         err = snd_sbdsp_get_byte(&chip);
149         snd_printd("Media Vision Jazz16 board detected: rev 0x%x, model 0x%x\n",
150                    val, err);
151 
152         err = 0;
153 
154 err_unmap:
155         release_region(port, 0x10);
156         return err;
157 }
158 
159 static int jazz16_configure_board(struct snd_sb *chip, int mpu_irq)
160 {
161         static unsigned char jazz_irq_bits[] = { 0, 0, 2, 3, 0, 1, 0, 4,
162                                                  0, 2, 5, 0, 0, 0, 0, 6 };
163         static unsigned char jazz_dma_bits[] = { 0, 1, 0, 2, 0, 3, 0, 4 };
164 
165         if (jazz_dma_bits[chip->dma8] == 0 ||
166             jazz_dma_bits[chip->dma16] == 0 ||
167             jazz_irq_bits[chip->irq] == 0)
168                 return -EINVAL;
169 
170         if (!snd_sbdsp_command(chip, SB_JAZZ16_SET_DMAINTR))
171                 return -EBUSY;
172 
173         if (!snd_sbdsp_command(chip,
174                                jazz_dma_bits[chip->dma8] |
175                                (jazz_dma_bits[chip->dma16] << 4)))
176                 return -EBUSY;
177 
178         if (!snd_sbdsp_command(chip,
179                                jazz_irq_bits[chip->irq] |
180                                (jazz_irq_bits[mpu_irq] << 4)))
181                 return -EBUSY;
182 
183         return 0;
184 }
185 
186 static int snd_jazz16_match(struct device *devptr, unsigned int dev)
187 {
188         if (!enable[dev])
189                 return 0;
190         if (port[dev] == SNDRV_AUTO_PORT) {
191                 snd_printk(KERN_ERR "please specify port\n");
192                 return 0;
193         } else if (port[dev] == 0x200 || (port[dev] & ~0x270)) {
194                 snd_printk(KERN_ERR "incorrect port specified\n");
195                 return 0;
196         }
197         if (dma8[dev] != SNDRV_AUTO_DMA &&
198             dma8[dev] != 1 && dma8[dev] != 3) {
199                 snd_printk(KERN_ERR "dma8 must be 1 or 3\n");
200                 return 0;
201         }
202         if (dma16[dev] != SNDRV_AUTO_DMA &&
203             dma16[dev] != 5 && dma16[dev] != 7) {
204                 snd_printk(KERN_ERR "dma16 must be 5 or 7\n");
205                 return 0;
206         }
207         if (mpu_port[dev] != SNDRV_AUTO_PORT &&
208             (mpu_port[dev] & ~0x030) != 0x300) {
209                 snd_printk(KERN_ERR "incorrect mpu_port specified\n");
210                 return 0;
211         }
212         if (mpu_irq[dev] != SNDRV_AUTO_DMA &&
213             mpu_irq[dev] != 2 && mpu_irq[dev] != 3 &&
214             mpu_irq[dev] != 5 && mpu_irq[dev] != 7) {
215                 snd_printk(KERN_ERR "mpu_irq must be 2, 3, 5 or 7\n");
216                 return 0;
217         }
218         return 1;
219 }
220 
221 static int snd_jazz16_probe(struct device *devptr, unsigned int dev)
222 {
223         struct snd_card *card;
224         struct snd_card_jazz16 *jazz16;
225         struct snd_sb *chip;
226         struct snd_opl3 *opl3;
227         static int possible_irqs[] = {2, 3, 5, 7, 9, 10, 15, -1};
228         static int possible_dmas8[] = {1, 3, -1};
229         static int possible_dmas16[] = {5, 7, -1};
230         int err, xirq, xdma8, xdma16, xmpu_port, xmpu_irq;
231 
232         err = snd_card_new(devptr, index[dev], id[dev], THIS_MODULE,
233                            sizeof(struct snd_card_jazz16), &card);
234         if (err < 0)
235                 return err;
236 
237         jazz16 = card->private_data;
238 
239         xirq = irq[dev];
240         if (xirq == SNDRV_AUTO_IRQ) {
241                 xirq = snd_legacy_find_free_irq(possible_irqs);
242                 if (xirq < 0) {
243                         snd_printk(KERN_ERR "unable to find a free IRQ\n");
244                         err = -EBUSY;
245                         goto err_free;
246                 }
247         }
248         xdma8 = dma8[dev];
249         if (xdma8 == SNDRV_AUTO_DMA) {
250                 xdma8 = snd_legacy_find_free_dma(possible_dmas8);
251                 if (xdma8 < 0) {
252                         snd_printk(KERN_ERR "unable to find a free DMA8\n");
253                         err = -EBUSY;
254                         goto err_free;
255                 }
256         }
257         xdma16 = dma16[dev];
258         if (xdma16 == SNDRV_AUTO_DMA) {
259                 xdma16 = snd_legacy_find_free_dma(possible_dmas16);
260                 if (xdma16 < 0) {
261                         snd_printk(KERN_ERR "unable to find a free DMA16\n");
262                         err = -EBUSY;
263                         goto err_free;
264                 }
265         }
266 
267         xmpu_port = mpu_port[dev];
268         if (xmpu_port == SNDRV_AUTO_PORT)
269                 xmpu_port = 0;
270         err = jazz16_detect_board(port[dev], xmpu_port);
271         if (err < 0) {
272                 printk(KERN_ERR "Media Vision Jazz16 board not detected\n");
273                 goto err_free;
274         }
275         err = snd_sbdsp_create(card, port[dev], irq[dev],
276                                jazz16_interrupt,
277                                dma8[dev], dma16[dev],
278                                SB_HW_JAZZ16,
279                                &chip);
280         if (err < 0)
281                 goto err_free;
282 
283         xmpu_irq = mpu_irq[dev];
284         if (xmpu_irq == SNDRV_AUTO_IRQ || mpu_port[dev] == SNDRV_AUTO_PORT)
285                 xmpu_irq = 0;
286         err = jazz16_configure_board(chip, xmpu_irq);
287         if (err < 0) {
288                 printk(KERN_ERR "Media Vision Jazz16 configuration failed\n");
289                 goto err_free;
290         }
291 
292         jazz16->chip = chip;
293 
294         strcpy(card->driver, "jazz16");
295         strcpy(card->shortname, "Media Vision Jazz16");
296         sprintf(card->longname,
297                 "Media Vision Jazz16 at 0x%lx, irq %d, dma8 %d, dma16 %d",
298                 port[dev], xirq, xdma8, xdma16);
299 
300         err = snd_sb8dsp_pcm(chip, 0);
301         if (err < 0)
302                 goto err_free;
303         err = snd_sbmixer_new(chip);
304         if (err < 0)
305                 goto err_free;
306 
307         err = snd_opl3_create(card, chip->port, chip->port + 2,
308                               OPL3_HW_AUTO, 1, &opl3);
309         if (err < 0)
310                 snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
311                            chip->port, chip->port + 2);
312         else {
313                 err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
314                 if (err < 0)
315                         goto err_free;
316         }
317         if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
318                 if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
319                         mpu_irq[dev] = -1;
320 
321                 if (snd_mpu401_uart_new(card, 0,
322                                         MPU401_HW_MPU401,
323                                         mpu_port[dev], 0,
324                                         mpu_irq[dev],
325                                         NULL) < 0)
326                         snd_printk(KERN_ERR "no MPU-401 device at 0x%lx\n",
327                                         mpu_port[dev]);
328         }
329 
330         err = snd_card_register(card);
331         if (err < 0)
332                 goto err_free;
333 
334         dev_set_drvdata(devptr, card);
335         return 0;
336 
337 err_free:
338         snd_card_free(card);
339         return err;
340 }
341 
342 static int snd_jazz16_remove(struct device *devptr, unsigned int dev)
343 {
344         struct snd_card *card = dev_get_drvdata(devptr);
345 
346         snd_card_free(card);
347         return 0;
348 }
349 
350 #ifdef CONFIG_PM
351 static int snd_jazz16_suspend(struct device *pdev, unsigned int n,
352                                pm_message_t state)
353 {
354         struct snd_card *card = dev_get_drvdata(pdev);
355         struct snd_card_jazz16 *acard = card->private_data;
356         struct snd_sb *chip = acard->chip;
357 
358         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
359         snd_pcm_suspend_all(chip->pcm);
360         snd_sbmixer_suspend(chip);
361         return 0;
362 }
363 
364 static int snd_jazz16_resume(struct device *pdev, unsigned int n)
365 {
366         struct snd_card *card = dev_get_drvdata(pdev);
367         struct snd_card_jazz16 *acard = card->private_data;
368         struct snd_sb *chip = acard->chip;
369 
370         snd_sbdsp_reset(chip);
371         snd_sbmixer_resume(chip);
372         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
373         return 0;
374 }
375 #endif
376 
377 static struct isa_driver snd_jazz16_driver = {
378         .match          = snd_jazz16_match,
379         .probe          = snd_jazz16_probe,
380         .remove         = snd_jazz16_remove,
381 #ifdef CONFIG_PM
382         .suspend        = snd_jazz16_suspend,
383         .resume         = snd_jazz16_resume,
384 #endif
385         .driver         = {
386                 .name   = "jazz16"
387         },
388 };
389 
390 static int __init alsa_card_jazz16_init(void)
391 {
392         return isa_register_driver(&snd_jazz16_driver, SNDRV_CARDS);
393 }
394 
395 static void __exit alsa_card_jazz16_exit(void)
396 {
397         isa_unregister_driver(&snd_jazz16_driver);
398 }
399 
400 module_init(alsa_card_jazz16_init)
401 module_exit(alsa_card_jazz16_exit)
402 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp