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, port: 0x201); |
88 | udelay(100); |
89 | outb(SB_JAZZ16_SET_PORTS + idx, port: 0x201); |
90 | udelay(100); |
91 | val = port & 0x70; |
92 | val |= (mpu_port & 0x30) >> 4; |
93 | outb(value: val, port: 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: &chip); |
114 | if (err < 0) |
115 | for (val = 0; val < 4; val++) { |
116 | err = jazz16_configure_ports(port, mpu_port, idx: val); |
117 | if (err < 0) |
118 | break; |
119 | |
120 | err = snd_sbdsp_reset(chip: &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: &chip, SB_DSP_GET_JAZZ_BRD_REV)) { |
129 | err = -EBUSY; |
130 | goto err_unmap; |
131 | } |
132 | val = snd_sbdsp_get_byte(chip: &chip); |
133 | if (val >= 0x30) |
134 | snd_sbdsp_get_byte(chip: &chip); |
135 | |
136 | if ((val & 0xf0) != 0x10) { |
137 | err = -ENODEV; |
138 | goto err_unmap; |
139 | } |
140 | if (!snd_sbdsp_command(chip: &chip, SB_DSP_GET_JAZZ_MODEL)) { |
141 | err = -EBUSY; |
142 | goto err_unmap; |
143 | } |
144 | snd_sbdsp_get_byte(chip: &chip); |
145 | err = snd_sbdsp_get_byte(chip: &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 | val: jazz_dma_bits[chip->dma8] | |
172 | (jazz_dma_bits[chip->dma16] << 4))) |
173 | return -EBUSY; |
174 | |
175 | if (!snd_sbdsp_command(chip, |
176 | val: 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(parent: devptr, idx: index[dev], xid: id[dev], THIS_MODULE, |
230 | extra_size: sizeof(struct snd_card_jazz16), card_ret: &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(irq_table: 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(dma_table: 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(dma_table: 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: port[dev], mpu_port: 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: port[dev], irq: irq[dev], |
270 | irq_handler: jazz16_interrupt, |
271 | dma8: dma8[dev], dma16: dma16[dev], |
272 | hardware: SB_HW_JAZZ16, |
273 | r_chip: &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, mpu_irq: 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(p: card->driver, q: "jazz16" ); |
289 | strcpy(p: card->shortname, q: "Media Vision Jazz16" ); |
290 | sprintf(buf: card->longname, |
291 | fmt: "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, device: 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, l_port: chip->port, r_port: chip->port + 2, |
302 | OPL3_HW_AUTO, integrated: 1, opl3: &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, device: 0, seq_device: 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, device: 0, |
316 | MPU401_HW_MPU401, |
317 | port: mpu_port[dev], info_flags: 0, |
318 | irq: 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(dev: devptr, data: 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(dev: 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(dev: 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 | |