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1da177e4 LT |
1 | /* |
2 | * Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com> | |
3 | * Driver EMU10K1X chips | |
4 | * | |
5 | * Parts of this code were adapted from audigyls.c driver which is | |
6 | * Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk> | |
7 | * | |
8 | * BUGS: | |
9 | * -- | |
10 | * | |
11 | * TODO: | |
12 | * | |
13 | * Chips (SB0200 model): | |
14 | * - EMU10K1X-DBQ | |
15 | * - STAC 9708T | |
16 | * | |
17 | * This program is free software; you can redistribute it and/or modify | |
18 | * it under the terms of the GNU General Public License as published by | |
19 | * the Free Software Foundation; either version 2 of the License, or | |
20 | * (at your option) any later version. | |
21 | * | |
22 | * This program is distributed in the hope that it will be useful, | |
23 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
25 | * GNU General Public License for more details. | |
26 | * | |
27 | * You should have received a copy of the GNU General Public License | |
28 | * along with this program; if not, write to the Free Software | |
29 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
30 | * | |
31 | */ | |
32 | #include <sound/driver.h> | |
33 | #include <linux/init.h> | |
34 | #include <linux/interrupt.h> | |
35 | #include <linux/pci.h> | |
36 | #include <linux/slab.h> | |
37 | #include <linux/moduleparam.h> | |
38 | #include <sound/core.h> | |
39 | #include <sound/initval.h> | |
40 | #include <sound/pcm.h> | |
41 | #include <sound/ac97_codec.h> | |
42 | #include <sound/info.h> | |
43 | #include <sound/rawmidi.h> | |
44 | ||
45 | MODULE_AUTHOR("Francisco Moraes <fmoraes@nc.rr.com>"); | |
46 | MODULE_DESCRIPTION("EMU10K1X"); | |
47 | MODULE_LICENSE("GPL"); | |
48 | MODULE_SUPPORTED_DEVICE("{{Dell Creative Labs,SB Live!}"); | |
49 | ||
50 | // module parameters (see "Module Parameters") | |
51 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; | |
52 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; | |
53 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; | |
54 | ||
55 | module_param_array(index, int, NULL, 0444); | |
56 | MODULE_PARM_DESC(index, "Index value for the EMU10K1X soundcard."); | |
57 | module_param_array(id, charp, NULL, 0444); | |
58 | MODULE_PARM_DESC(id, "ID string for the EMU10K1X soundcard."); | |
59 | module_param_array(enable, bool, NULL, 0444); | |
60 | MODULE_PARM_DESC(enable, "Enable the EMU10K1X soundcard."); | |
61 | ||
62 | ||
63 | // some definitions were borrowed from emu10k1 driver as they seem to be the same | |
64 | /************************************************************************************************/ | |
65 | /* PCI function 0 registers, address = <val> + PCIBASE0 */ | |
66 | /************************************************************************************************/ | |
67 | ||
68 | #define PTR 0x00 /* Indexed register set pointer register */ | |
69 | /* NOTE: The CHANNELNUM and ADDRESS words can */ | |
70 | /* be modified independently of each other. */ | |
71 | ||
72 | #define DATA 0x04 /* Indexed register set data register */ | |
73 | ||
74 | #define IPR 0x08 /* Global interrupt pending register */ | |
75 | /* Clear pending interrupts by writing a 1 to */ | |
76 | /* the relevant bits and zero to the other bits */ | |
77 | #define IPR_MIDITRANSBUFEMPTY 0x00000001 /* MIDI UART transmit buffer empty */ | |
78 | #define IPR_MIDIRECVBUFEMPTY 0x00000002 /* MIDI UART receive buffer empty */ | |
79 | #define IPR_CH_0_LOOP 0x00000800 /* Channel 0 loop */ | |
80 | #define IPR_CH_0_HALF_LOOP 0x00000100 /* Channel 0 half loop */ | |
81 | #define IPR_CAP_0_LOOP 0x00080000 /* Channel capture loop */ | |
82 | #define IPR_CAP_0_HALF_LOOP 0x00010000 /* Channel capture half loop */ | |
83 | ||
84 | #define INTE 0x0c /* Interrupt enable register */ | |
85 | #define INTE_MIDITXENABLE 0x00000001 /* Enable MIDI transmit-buffer-empty interrupts */ | |
86 | #define INTE_MIDIRXENABLE 0x00000002 /* Enable MIDI receive-buffer-empty interrupts */ | |
87 | #define INTE_CH_0_LOOP 0x00000800 /* Channel 0 loop */ | |
88 | #define INTE_CH_0_HALF_LOOP 0x00000100 /* Channel 0 half loop */ | |
89 | #define INTE_CAP_0_LOOP 0x00080000 /* Channel capture loop */ | |
90 | #define INTE_CAP_0_HALF_LOOP 0x00010000 /* Channel capture half loop */ | |
91 | ||
92 | #define HCFG 0x14 /* Hardware config register */ | |
93 | ||
94 | #define HCFG_LOCKSOUNDCACHE 0x00000008 /* 1 = Cancel bustmaster accesses to soundcache */ | |
95 | /* NOTE: This should generally never be used. */ | |
96 | #define HCFG_AUDIOENABLE 0x00000001 /* 0 = CODECs transmit zero-valued samples */ | |
97 | /* Should be set to 1 when the EMU10K1 is */ | |
98 | /* completely initialized. */ | |
99 | #define GPIO 0x18 /* Defaults: 00001080-Analog, 00001000-SPDIF. */ | |
100 | ||
101 | ||
102 | #define AC97DATA 0x1c /* AC97 register set data register (16 bit) */ | |
103 | ||
104 | #define AC97ADDRESS 0x1e /* AC97 register set address register (8 bit) */ | |
105 | ||
106 | /********************************************************************************************************/ | |
107 | /* Emu10k1x pointer-offset register set, accessed through the PTR and DATA registers */ | |
108 | /********************************************************************************************************/ | |
109 | #define PLAYBACK_LIST_ADDR 0x00 /* Base DMA address of a list of pointers to each period/size */ | |
110 | /* One list entry: 4 bytes for DMA address, | |
111 | * 4 bytes for period_size << 16. | |
112 | * One list entry is 8 bytes long. | |
113 | * One list entry for each period in the buffer. | |
114 | */ | |
115 | #define PLAYBACK_LIST_SIZE 0x01 /* Size of list in bytes << 16. E.g. 8 periods -> 0x00380000 */ | |
116 | #define PLAYBACK_LIST_PTR 0x02 /* Pointer to the current period being played */ | |
117 | #define PLAYBACK_DMA_ADDR 0x04 /* Playback DMA addresss */ | |
118 | #define PLAYBACK_PERIOD_SIZE 0x05 /* Playback period size */ | |
119 | #define PLAYBACK_POINTER 0x06 /* Playback period pointer. Sample currently in DAC */ | |
120 | #define PLAYBACK_UNKNOWN1 0x07 | |
121 | #define PLAYBACK_UNKNOWN2 0x08 | |
122 | ||
123 | /* Only one capture channel supported */ | |
124 | #define CAPTURE_DMA_ADDR 0x10 /* Capture DMA address */ | |
125 | #define CAPTURE_BUFFER_SIZE 0x11 /* Capture buffer size */ | |
126 | #define CAPTURE_POINTER 0x12 /* Capture buffer pointer. Sample currently in ADC */ | |
127 | #define CAPTURE_UNKNOWN 0x13 | |
128 | ||
129 | /* From 0x20 - 0x3f, last samples played on each channel */ | |
130 | ||
131 | #define TRIGGER_CHANNEL 0x40 /* Trigger channel playback */ | |
132 | #define TRIGGER_CHANNEL_0 0x00000001 /* Trigger channel 0 */ | |
133 | #define TRIGGER_CHANNEL_1 0x00000002 /* Trigger channel 1 */ | |
134 | #define TRIGGER_CHANNEL_2 0x00000004 /* Trigger channel 2 */ | |
135 | #define TRIGGER_CAPTURE 0x00000100 /* Trigger capture channel */ | |
136 | ||
137 | #define ROUTING 0x41 /* Setup sound routing ? */ | |
138 | #define ROUTING_FRONT_LEFT 0x00000001 | |
139 | #define ROUTING_FRONT_RIGHT 0x00000002 | |
140 | #define ROUTING_REAR_LEFT 0x00000004 | |
141 | #define ROUTING_REAR_RIGHT 0x00000008 | |
142 | #define ROUTING_CENTER_LFE 0x00010000 | |
143 | ||
144 | #define SPCS0 0x42 /* SPDIF output Channel Status 0 register */ | |
145 | ||
146 | #define SPCS1 0x43 /* SPDIF output Channel Status 1 register */ | |
147 | ||
148 | #define SPCS2 0x44 /* SPDIF output Channel Status 2 register */ | |
149 | ||
150 | #define SPCS_CLKACCYMASK 0x30000000 /* Clock accuracy */ | |
151 | #define SPCS_CLKACCY_1000PPM 0x00000000 /* 1000 parts per million */ | |
152 | #define SPCS_CLKACCY_50PPM 0x10000000 /* 50 parts per million */ | |
153 | #define SPCS_CLKACCY_VARIABLE 0x20000000 /* Variable accuracy */ | |
154 | #define SPCS_SAMPLERATEMASK 0x0f000000 /* Sample rate */ | |
155 | #define SPCS_SAMPLERATE_44 0x00000000 /* 44.1kHz sample rate */ | |
156 | #define SPCS_SAMPLERATE_48 0x02000000 /* 48kHz sample rate */ | |
157 | #define SPCS_SAMPLERATE_32 0x03000000 /* 32kHz sample rate */ | |
158 | #define SPCS_CHANNELNUMMASK 0x00f00000 /* Channel number */ | |
159 | #define SPCS_CHANNELNUM_UNSPEC 0x00000000 /* Unspecified channel number */ | |
160 | #define SPCS_CHANNELNUM_LEFT 0x00100000 /* Left channel */ | |
161 | #define SPCS_CHANNELNUM_RIGHT 0x00200000 /* Right channel */ | |
162 | #define SPCS_SOURCENUMMASK 0x000f0000 /* Source number */ | |
163 | #define SPCS_SOURCENUM_UNSPEC 0x00000000 /* Unspecified source number */ | |
164 | #define SPCS_GENERATIONSTATUS 0x00008000 /* Originality flag (see IEC-958 spec) */ | |
165 | #define SPCS_CATEGORYCODEMASK 0x00007f00 /* Category code (see IEC-958 spec) */ | |
166 | #define SPCS_MODEMASK 0x000000c0 /* Mode (see IEC-958 spec) */ | |
167 | #define SPCS_EMPHASISMASK 0x00000038 /* Emphasis */ | |
168 | #define SPCS_EMPHASIS_NONE 0x00000000 /* No emphasis */ | |
169 | #define SPCS_EMPHASIS_50_15 0x00000008 /* 50/15 usec 2 channel */ | |
170 | #define SPCS_COPYRIGHT 0x00000004 /* Copyright asserted flag -- do not modify */ | |
171 | #define SPCS_NOTAUDIODATA 0x00000002 /* 0 = Digital audio, 1 = not audio */ | |
172 | #define SPCS_PROFESSIONAL 0x00000001 /* 0 = Consumer (IEC-958), 1 = pro (AES3-1992) */ | |
173 | ||
174 | #define SPDIF_SELECT 0x45 /* Enables SPDIF or Analogue outputs 0-Analogue, 0x700-SPDIF */ | |
175 | ||
176 | /* This is the MPU port on the card */ | |
177 | #define MUDATA 0x47 | |
178 | #define MUCMD 0x48 | |
179 | #define MUSTAT MUCMD | |
180 | ||
181 | /* From 0x50 - 0x5f, last samples captured */ | |
182 | ||
183 | /** | |
184 | * The hardware has 3 channels for playback and 1 for capture. | |
185 | * - channel 0 is the front channel | |
186 | * - channel 1 is the rear channel | |
187 | * - channel 2 is the center/lfe chanel | |
188 | * Volume is controlled by the AC97 for the front and rear channels by | |
189 | * the PCM Playback Volume, Sigmatel Surround Playback Volume and | |
190 | * Surround Playback Volume. The Sigmatel 4-Speaker Stereo switch affects | |
191 | * the front/rear channel mixing in the REAR OUT jack. When using the | |
192 | * 4-Speaker Stereo, both front and rear channels will be mixed in the | |
193 | * REAR OUT. | |
194 | * The center/lfe channel has no volume control and cannot be muted during | |
195 | * playback. | |
196 | */ | |
197 | ||
198 | typedef struct snd_emu10k1x_voice emu10k1x_voice_t; | |
199 | typedef struct snd_emu10k1x emu10k1x_t; | |
200 | typedef struct snd_emu10k1x_pcm emu10k1x_pcm_t; | |
201 | ||
202 | struct snd_emu10k1x_voice { | |
203 | emu10k1x_t *emu; | |
204 | int number; | |
205 | int use; | |
206 | ||
207 | emu10k1x_pcm_t *epcm; | |
208 | }; | |
209 | ||
210 | struct snd_emu10k1x_pcm { | |
211 | emu10k1x_t *emu; | |
212 | snd_pcm_substream_t *substream; | |
213 | emu10k1x_voice_t *voice; | |
214 | unsigned short running; | |
215 | }; | |
216 | ||
217 | typedef struct { | |
218 | struct snd_emu10k1x *emu; | |
219 | snd_rawmidi_t *rmidi; | |
220 | snd_rawmidi_substream_t *substream_input; | |
221 | snd_rawmidi_substream_t *substream_output; | |
222 | unsigned int midi_mode; | |
223 | spinlock_t input_lock; | |
224 | spinlock_t output_lock; | |
225 | spinlock_t open_lock; | |
226 | int tx_enable, rx_enable; | |
227 | int port; | |
228 | int ipr_tx, ipr_rx; | |
229 | void (*interrupt)(emu10k1x_t *emu, unsigned int status); | |
230 | } emu10k1x_midi_t; | |
231 | ||
232 | // definition of the chip-specific record | |
233 | struct snd_emu10k1x { | |
234 | snd_card_t *card; | |
235 | struct pci_dev *pci; | |
236 | ||
237 | unsigned long port; | |
238 | struct resource *res_port; | |
239 | int irq; | |
240 | ||
241 | unsigned int revision; /* chip revision */ | |
242 | unsigned int serial; /* serial number */ | |
243 | unsigned short model; /* subsystem id */ | |
244 | ||
245 | spinlock_t emu_lock; | |
246 | spinlock_t voice_lock; | |
247 | ||
248 | ac97_t *ac97; | |
249 | snd_pcm_t *pcm; | |
250 | ||
251 | emu10k1x_voice_t voices[3]; | |
252 | emu10k1x_voice_t capture_voice; | |
253 | u32 spdif_bits[3]; // SPDIF out setup | |
254 | ||
255 | struct snd_dma_buffer dma_buffer; | |
256 | ||
257 | emu10k1x_midi_t midi; | |
258 | }; | |
259 | ||
260 | /* hardware definition */ | |
261 | static snd_pcm_hardware_t snd_emu10k1x_playback_hw = { | |
262 | .info = (SNDRV_PCM_INFO_MMAP | | |
263 | SNDRV_PCM_INFO_INTERLEAVED | | |
264 | SNDRV_PCM_INFO_BLOCK_TRANSFER | | |
265 | SNDRV_PCM_INFO_MMAP_VALID), | |
266 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
267 | .rates = SNDRV_PCM_RATE_48000, | |
268 | .rate_min = 48000, | |
269 | .rate_max = 48000, | |
270 | .channels_min = 2, | |
271 | .channels_max = 2, | |
272 | .buffer_bytes_max = (32*1024), | |
273 | .period_bytes_min = 64, | |
274 | .period_bytes_max = (16*1024), | |
275 | .periods_min = 2, | |
276 | .periods_max = 8, | |
277 | .fifo_size = 0, | |
278 | }; | |
279 | ||
280 | static snd_pcm_hardware_t snd_emu10k1x_capture_hw = { | |
281 | .info = (SNDRV_PCM_INFO_MMAP | | |
282 | SNDRV_PCM_INFO_INTERLEAVED | | |
283 | SNDRV_PCM_INFO_BLOCK_TRANSFER | | |
284 | SNDRV_PCM_INFO_MMAP_VALID), | |
285 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
286 | .rates = SNDRV_PCM_RATE_48000, | |
287 | .rate_min = 48000, | |
288 | .rate_max = 48000, | |
289 | .channels_min = 2, | |
290 | .channels_max = 2, | |
291 | .buffer_bytes_max = (32*1024), | |
292 | .period_bytes_min = 64, | |
293 | .period_bytes_max = (16*1024), | |
294 | .periods_min = 2, | |
295 | .periods_max = 2, | |
296 | .fifo_size = 0, | |
297 | }; | |
298 | ||
299 | static unsigned int snd_emu10k1x_ptr_read(emu10k1x_t * emu, | |
300 | unsigned int reg, | |
301 | unsigned int chn) | |
302 | { | |
303 | unsigned long flags; | |
304 | unsigned int regptr, val; | |
305 | ||
306 | regptr = (reg << 16) | chn; | |
307 | ||
308 | spin_lock_irqsave(&emu->emu_lock, flags); | |
309 | outl(regptr, emu->port + PTR); | |
310 | val = inl(emu->port + DATA); | |
311 | spin_unlock_irqrestore(&emu->emu_lock, flags); | |
312 | return val; | |
313 | } | |
314 | ||
315 | static void snd_emu10k1x_ptr_write(emu10k1x_t *emu, | |
316 | unsigned int reg, | |
317 | unsigned int chn, | |
318 | unsigned int data) | |
319 | { | |
320 | unsigned int regptr; | |
321 | unsigned long flags; | |
322 | ||
323 | regptr = (reg << 16) | chn; | |
324 | ||
325 | spin_lock_irqsave(&emu->emu_lock, flags); | |
326 | outl(regptr, emu->port + PTR); | |
327 | outl(data, emu->port + DATA); | |
328 | spin_unlock_irqrestore(&emu->emu_lock, flags); | |
329 | } | |
330 | ||
331 | static void snd_emu10k1x_intr_enable(emu10k1x_t *emu, unsigned int intrenb) | |
332 | { | |
333 | unsigned long flags; | |
334 | unsigned int enable; | |
335 | ||
336 | spin_lock_irqsave(&emu->emu_lock, flags); | |
337 | enable = inl(emu->port + INTE) | intrenb; | |
338 | outl(enable, emu->port + INTE); | |
339 | spin_unlock_irqrestore(&emu->emu_lock, flags); | |
340 | } | |
341 | ||
342 | static void snd_emu10k1x_intr_disable(emu10k1x_t *emu, unsigned int intrenb) | |
343 | { | |
344 | unsigned long flags; | |
345 | unsigned int enable; | |
346 | ||
347 | spin_lock_irqsave(&emu->emu_lock, flags); | |
348 | enable = inl(emu->port + INTE) & ~intrenb; | |
349 | outl(enable, emu->port + INTE); | |
350 | spin_unlock_irqrestore(&emu->emu_lock, flags); | |
351 | } | |
352 | ||
353 | static void snd_emu10k1x_gpio_write(emu10k1x_t *emu, unsigned int value) | |
354 | { | |
355 | unsigned long flags; | |
356 | ||
357 | spin_lock_irqsave(&emu->emu_lock, flags); | |
358 | outl(value, emu->port + GPIO); | |
359 | spin_unlock_irqrestore(&emu->emu_lock, flags); | |
360 | } | |
361 | ||
362 | static void snd_emu10k1x_pcm_free_substream(snd_pcm_runtime_t *runtime) | |
363 | { | |
4d572776 | 364 | kfree(runtime->private_data); |
1da177e4 LT |
365 | } |
366 | ||
367 | static void snd_emu10k1x_pcm_interrupt(emu10k1x_t *emu, emu10k1x_voice_t *voice) | |
368 | { | |
369 | emu10k1x_pcm_t *epcm; | |
370 | ||
371 | if ((epcm = voice->epcm) == NULL) | |
372 | return; | |
373 | if (epcm->substream == NULL) | |
374 | return; | |
375 | #if 0 | |
376 | snd_printk(KERN_INFO "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n", | |
377 | epcm->substream->ops->pointer(epcm->substream), | |
378 | snd_pcm_lib_period_bytes(epcm->substream), | |
379 | snd_pcm_lib_buffer_bytes(epcm->substream)); | |
380 | #endif | |
381 | snd_pcm_period_elapsed(epcm->substream); | |
382 | } | |
383 | ||
384 | /* open callback */ | |
385 | static int snd_emu10k1x_playback_open(snd_pcm_substream_t *substream) | |
386 | { | |
387 | emu10k1x_t *chip = snd_pcm_substream_chip(substream); | |
388 | emu10k1x_pcm_t *epcm; | |
389 | snd_pcm_runtime_t *runtime = substream->runtime; | |
390 | int err; | |
391 | ||
392 | if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { | |
393 | return err; | |
394 | } | |
395 | if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0) | |
396 | return err; | |
397 | ||
398 | epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL); | |
399 | if (epcm == NULL) | |
400 | return -ENOMEM; | |
401 | epcm->emu = chip; | |
402 | epcm->substream = substream; | |
403 | ||
404 | runtime->private_data = epcm; | |
405 | runtime->private_free = snd_emu10k1x_pcm_free_substream; | |
406 | ||
407 | runtime->hw = snd_emu10k1x_playback_hw; | |
408 | ||
409 | return 0; | |
410 | } | |
411 | ||
412 | /* close callback */ | |
413 | static int snd_emu10k1x_playback_close(snd_pcm_substream_t *substream) | |
414 | { | |
415 | return 0; | |
416 | } | |
417 | ||
418 | /* hw_params callback */ | |
419 | static int snd_emu10k1x_pcm_hw_params(snd_pcm_substream_t *substream, | |
420 | snd_pcm_hw_params_t * hw_params) | |
421 | { | |
422 | snd_pcm_runtime_t *runtime = substream->runtime; | |
423 | emu10k1x_pcm_t *epcm = runtime->private_data; | |
424 | ||
425 | if (! epcm->voice) { | |
426 | epcm->voice = &epcm->emu->voices[substream->pcm->device]; | |
427 | epcm->voice->use = 1; | |
428 | epcm->voice->epcm = epcm; | |
429 | } | |
430 | ||
431 | return snd_pcm_lib_malloc_pages(substream, | |
432 | params_buffer_bytes(hw_params)); | |
433 | } | |
434 | ||
435 | /* hw_free callback */ | |
436 | static int snd_emu10k1x_pcm_hw_free(snd_pcm_substream_t *substream) | |
437 | { | |
438 | snd_pcm_runtime_t *runtime = substream->runtime; | |
439 | emu10k1x_pcm_t *epcm; | |
440 | ||
441 | if (runtime->private_data == NULL) | |
442 | return 0; | |
443 | ||
444 | epcm = runtime->private_data; | |
445 | ||
446 | if (epcm->voice) { | |
447 | epcm->voice->use = 0; | |
448 | epcm->voice->epcm = NULL; | |
449 | epcm->voice = NULL; | |
450 | } | |
451 | ||
452 | return snd_pcm_lib_free_pages(substream); | |
453 | } | |
454 | ||
455 | /* prepare callback */ | |
456 | static int snd_emu10k1x_pcm_prepare(snd_pcm_substream_t *substream) | |
457 | { | |
458 | emu10k1x_t *emu = snd_pcm_substream_chip(substream); | |
459 | snd_pcm_runtime_t *runtime = substream->runtime; | |
460 | emu10k1x_pcm_t *epcm = runtime->private_data; | |
461 | int voice = epcm->voice->number; | |
462 | u32 *table_base = (u32 *)(emu->dma_buffer.area+1024*voice); | |
463 | u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size); | |
464 | int i; | |
465 | ||
466 | for(i=0; i < runtime->periods; i++) { | |
467 | *table_base++=runtime->dma_addr+(i*period_size_bytes); | |
468 | *table_base++=period_size_bytes<<16; | |
469 | } | |
470 | ||
471 | snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_ADDR, voice, emu->dma_buffer.addr+1024*voice); | |
472 | snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_SIZE, voice, (runtime->periods - 1) << 19); | |
473 | snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_PTR, voice, 0); | |
474 | snd_emu10k1x_ptr_write(emu, PLAYBACK_POINTER, voice, 0); | |
475 | snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN1, voice, 0); | |
476 | snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN2, voice, 0); | |
477 | snd_emu10k1x_ptr_write(emu, PLAYBACK_DMA_ADDR, voice, runtime->dma_addr); | |
478 | ||
479 | snd_emu10k1x_ptr_write(emu, PLAYBACK_PERIOD_SIZE, voice, frames_to_bytes(runtime, runtime->period_size)<<16); | |
480 | ||
481 | return 0; | |
482 | } | |
483 | ||
484 | /* trigger callback */ | |
485 | static int snd_emu10k1x_pcm_trigger(snd_pcm_substream_t *substream, | |
486 | int cmd) | |
487 | { | |
488 | emu10k1x_t *emu = snd_pcm_substream_chip(substream); | |
489 | snd_pcm_runtime_t *runtime = substream->runtime; | |
490 | emu10k1x_pcm_t *epcm = runtime->private_data; | |
491 | int channel = epcm->voice->number; | |
492 | int result = 0; | |
493 | ||
494 | // snd_printk(KERN_INFO "trigger - emu10k1x = 0x%x, cmd = %i, pointer = %d\n", (int)emu, cmd, (int)substream->ops->pointer(substream)); | |
495 | ||
496 | switch (cmd) { | |
497 | case SNDRV_PCM_TRIGGER_START: | |
498 | if(runtime->periods == 2) | |
499 | snd_emu10k1x_intr_enable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel); | |
500 | else | |
501 | snd_emu10k1x_intr_enable(emu, INTE_CH_0_LOOP << channel); | |
502 | epcm->running = 1; | |
503 | snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|(TRIGGER_CHANNEL_0<<channel)); | |
504 | break; | |
505 | case SNDRV_PCM_TRIGGER_STOP: | |
506 | epcm->running = 0; | |
507 | snd_emu10k1x_intr_disable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel); | |
508 | snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CHANNEL_0<<channel)); | |
509 | break; | |
510 | default: | |
511 | result = -EINVAL; | |
512 | break; | |
513 | } | |
514 | return result; | |
515 | } | |
516 | ||
517 | /* pointer callback */ | |
518 | static snd_pcm_uframes_t | |
519 | snd_emu10k1x_pcm_pointer(snd_pcm_substream_t *substream) | |
520 | { | |
521 | emu10k1x_t *emu = snd_pcm_substream_chip(substream); | |
522 | snd_pcm_runtime_t *runtime = substream->runtime; | |
523 | emu10k1x_pcm_t *epcm = runtime->private_data; | |
524 | int channel = epcm->voice->number; | |
525 | snd_pcm_uframes_t ptr = 0, ptr1 = 0, ptr2= 0,ptr3 = 0,ptr4 = 0; | |
526 | ||
527 | if (!epcm->running) | |
528 | return 0; | |
529 | ||
530 | ptr3 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel); | |
531 | ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel); | |
532 | ptr4 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel); | |
533 | ||
534 | if(ptr4 == 0 && ptr1 == frames_to_bytes(runtime, runtime->buffer_size)) | |
535 | return 0; | |
536 | ||
537 | if (ptr3 != ptr4) | |
538 | ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel); | |
539 | ptr2 = bytes_to_frames(runtime, ptr1); | |
540 | ptr2 += (ptr4 >> 3) * runtime->period_size; | |
541 | ptr = ptr2; | |
542 | ||
543 | if (ptr >= runtime->buffer_size) | |
544 | ptr -= runtime->buffer_size; | |
545 | ||
546 | return ptr; | |
547 | } | |
548 | ||
549 | /* operators */ | |
550 | static snd_pcm_ops_t snd_emu10k1x_playback_ops = { | |
551 | .open = snd_emu10k1x_playback_open, | |
552 | .close = snd_emu10k1x_playback_close, | |
553 | .ioctl = snd_pcm_lib_ioctl, | |
554 | .hw_params = snd_emu10k1x_pcm_hw_params, | |
555 | .hw_free = snd_emu10k1x_pcm_hw_free, | |
556 | .prepare = snd_emu10k1x_pcm_prepare, | |
557 | .trigger = snd_emu10k1x_pcm_trigger, | |
558 | .pointer = snd_emu10k1x_pcm_pointer, | |
559 | }; | |
560 | ||
561 | /* open_capture callback */ | |
562 | static int snd_emu10k1x_pcm_open_capture(snd_pcm_substream_t *substream) | |
563 | { | |
564 | emu10k1x_t *chip = snd_pcm_substream_chip(substream); | |
565 | emu10k1x_pcm_t *epcm; | |
566 | snd_pcm_runtime_t *runtime = substream->runtime; | |
567 | int err; | |
568 | ||
569 | if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) | |
570 | return err; | |
571 | if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0) | |
572 | return err; | |
573 | ||
574 | epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL); | |
575 | if (epcm == NULL) | |
576 | return -ENOMEM; | |
577 | ||
578 | epcm->emu = chip; | |
579 | epcm->substream = substream; | |
580 | ||
581 | runtime->private_data = epcm; | |
582 | runtime->private_free = snd_emu10k1x_pcm_free_substream; | |
583 | ||
584 | runtime->hw = snd_emu10k1x_capture_hw; | |
585 | ||
586 | return 0; | |
587 | } | |
588 | ||
589 | /* close callback */ | |
590 | static int snd_emu10k1x_pcm_close_capture(snd_pcm_substream_t *substream) | |
591 | { | |
592 | return 0; | |
593 | } | |
594 | ||
595 | /* hw_params callback */ | |
596 | static int snd_emu10k1x_pcm_hw_params_capture(snd_pcm_substream_t *substream, | |
597 | snd_pcm_hw_params_t * hw_params) | |
598 | { | |
599 | snd_pcm_runtime_t *runtime = substream->runtime; | |
600 | emu10k1x_pcm_t *epcm = runtime->private_data; | |
601 | ||
602 | if (! epcm->voice) { | |
603 | if (epcm->emu->capture_voice.use) | |
604 | return -EBUSY; | |
605 | epcm->voice = &epcm->emu->capture_voice; | |
606 | epcm->voice->epcm = epcm; | |
607 | epcm->voice->use = 1; | |
608 | } | |
609 | ||
610 | return snd_pcm_lib_malloc_pages(substream, | |
611 | params_buffer_bytes(hw_params)); | |
612 | } | |
613 | ||
614 | /* hw_free callback */ | |
615 | static int snd_emu10k1x_pcm_hw_free_capture(snd_pcm_substream_t *substream) | |
616 | { | |
617 | snd_pcm_runtime_t *runtime = substream->runtime; | |
618 | ||
619 | emu10k1x_pcm_t *epcm; | |
620 | ||
621 | if (runtime->private_data == NULL) | |
622 | return 0; | |
623 | epcm = runtime->private_data; | |
624 | ||
625 | if (epcm->voice) { | |
626 | epcm->voice->use = 0; | |
627 | epcm->voice->epcm = NULL; | |
628 | epcm->voice = NULL; | |
629 | } | |
630 | ||
631 | return snd_pcm_lib_free_pages(substream); | |
632 | } | |
633 | ||
634 | /* prepare capture callback */ | |
635 | static int snd_emu10k1x_pcm_prepare_capture(snd_pcm_substream_t *substream) | |
636 | { | |
637 | emu10k1x_t *emu = snd_pcm_substream_chip(substream); | |
638 | snd_pcm_runtime_t *runtime = substream->runtime; | |
639 | ||
640 | snd_emu10k1x_ptr_write(emu, CAPTURE_DMA_ADDR, 0, runtime->dma_addr); | |
641 | snd_emu10k1x_ptr_write(emu, CAPTURE_BUFFER_SIZE, 0, frames_to_bytes(runtime, runtime->buffer_size)<<16); // buffer size in bytes | |
642 | snd_emu10k1x_ptr_write(emu, CAPTURE_POINTER, 0, 0); | |
643 | snd_emu10k1x_ptr_write(emu, CAPTURE_UNKNOWN, 0, 0); | |
644 | ||
645 | return 0; | |
646 | } | |
647 | ||
648 | /* trigger_capture callback */ | |
649 | static int snd_emu10k1x_pcm_trigger_capture(snd_pcm_substream_t *substream, | |
650 | int cmd) | |
651 | { | |
652 | emu10k1x_t *emu = snd_pcm_substream_chip(substream); | |
653 | snd_pcm_runtime_t *runtime = substream->runtime; | |
654 | emu10k1x_pcm_t *epcm = runtime->private_data; | |
655 | int result = 0; | |
656 | ||
657 | switch (cmd) { | |
658 | case SNDRV_PCM_TRIGGER_START: | |
659 | snd_emu10k1x_intr_enable(emu, INTE_CAP_0_LOOP | | |
660 | INTE_CAP_0_HALF_LOOP); | |
661 | snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|TRIGGER_CAPTURE); | |
662 | epcm->running = 1; | |
663 | break; | |
664 | case SNDRV_PCM_TRIGGER_STOP: | |
665 | epcm->running = 0; | |
666 | snd_emu10k1x_intr_disable(emu, INTE_CAP_0_LOOP | | |
667 | INTE_CAP_0_HALF_LOOP); | |
668 | snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CAPTURE)); | |
669 | break; | |
670 | default: | |
671 | result = -EINVAL; | |
672 | break; | |
673 | } | |
674 | return result; | |
675 | } | |
676 | ||
677 | /* pointer_capture callback */ | |
678 | static snd_pcm_uframes_t | |
679 | snd_emu10k1x_pcm_pointer_capture(snd_pcm_substream_t *substream) | |
680 | { | |
681 | emu10k1x_t *emu = snd_pcm_substream_chip(substream); | |
682 | snd_pcm_runtime_t *runtime = substream->runtime; | |
683 | emu10k1x_pcm_t *epcm = runtime->private_data; | |
684 | snd_pcm_uframes_t ptr; | |
685 | ||
686 | if (!epcm->running) | |
687 | return 0; | |
688 | ||
689 | ptr = bytes_to_frames(runtime, snd_emu10k1x_ptr_read(emu, CAPTURE_POINTER, 0)); | |
690 | if (ptr >= runtime->buffer_size) | |
691 | ptr -= runtime->buffer_size; | |
692 | ||
693 | return ptr; | |
694 | } | |
695 | ||
696 | static snd_pcm_ops_t snd_emu10k1x_capture_ops = { | |
697 | .open = snd_emu10k1x_pcm_open_capture, | |
698 | .close = snd_emu10k1x_pcm_close_capture, | |
699 | .ioctl = snd_pcm_lib_ioctl, | |
700 | .hw_params = snd_emu10k1x_pcm_hw_params_capture, | |
701 | .hw_free = snd_emu10k1x_pcm_hw_free_capture, | |
702 | .prepare = snd_emu10k1x_pcm_prepare_capture, | |
703 | .trigger = snd_emu10k1x_pcm_trigger_capture, | |
704 | .pointer = snd_emu10k1x_pcm_pointer_capture, | |
705 | }; | |
706 | ||
707 | static unsigned short snd_emu10k1x_ac97_read(ac97_t *ac97, | |
708 | unsigned short reg) | |
709 | { | |
710 | emu10k1x_t *emu = ac97->private_data; | |
711 | unsigned long flags; | |
712 | unsigned short val; | |
713 | ||
714 | spin_lock_irqsave(&emu->emu_lock, flags); | |
715 | outb(reg, emu->port + AC97ADDRESS); | |
716 | val = inw(emu->port + AC97DATA); | |
717 | spin_unlock_irqrestore(&emu->emu_lock, flags); | |
718 | return val; | |
719 | } | |
720 | ||
721 | static void snd_emu10k1x_ac97_write(ac97_t *ac97, | |
722 | unsigned short reg, unsigned short val) | |
723 | { | |
724 | emu10k1x_t *emu = ac97->private_data; | |
725 | unsigned long flags; | |
726 | ||
727 | spin_lock_irqsave(&emu->emu_lock, flags); | |
728 | outb(reg, emu->port + AC97ADDRESS); | |
729 | outw(val, emu->port + AC97DATA); | |
730 | spin_unlock_irqrestore(&emu->emu_lock, flags); | |
731 | } | |
732 | ||
733 | static int snd_emu10k1x_ac97(emu10k1x_t *chip) | |
734 | { | |
735 | ac97_bus_t *pbus; | |
736 | ac97_template_t ac97; | |
737 | int err; | |
738 | static ac97_bus_ops_t ops = { | |
739 | .write = snd_emu10k1x_ac97_write, | |
740 | .read = snd_emu10k1x_ac97_read, | |
741 | }; | |
742 | ||
743 | if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0) | |
744 | return err; | |
745 | pbus->no_vra = 1; /* we don't need VRA */ | |
746 | ||
747 | memset(&ac97, 0, sizeof(ac97)); | |
748 | ac97.private_data = chip; | |
749 | ac97.scaps = AC97_SCAP_NO_SPDIF; | |
750 | return snd_ac97_mixer(pbus, &ac97, &chip->ac97); | |
751 | } | |
752 | ||
753 | static int snd_emu10k1x_free(emu10k1x_t *chip) | |
754 | { | |
755 | snd_emu10k1x_ptr_write(chip, TRIGGER_CHANNEL, 0, 0); | |
756 | // disable interrupts | |
757 | outl(0, chip->port + INTE); | |
758 | // disable audio | |
759 | outl(HCFG_LOCKSOUNDCACHE, chip->port + HCFG); | |
760 | ||
761 | // release the i/o port | |
762 | if (chip->res_port) { | |
763 | release_resource(chip->res_port); | |
764 | kfree_nocheck(chip->res_port); | |
765 | } | |
766 | // release the irq | |
767 | if (chip->irq >= 0) | |
768 | free_irq(chip->irq, (void *)chip); | |
769 | ||
770 | // release the DMA | |
771 | if (chip->dma_buffer.area) { | |
772 | snd_dma_free_pages(&chip->dma_buffer); | |
773 | } | |
774 | ||
775 | pci_disable_device(chip->pci); | |
776 | ||
777 | // release the data | |
778 | kfree(chip); | |
779 | return 0; | |
780 | } | |
781 | ||
782 | static int snd_emu10k1x_dev_free(snd_device_t *device) | |
783 | { | |
784 | emu10k1x_t *chip = device->device_data; | |
785 | return snd_emu10k1x_free(chip); | |
786 | } | |
787 | ||
788 | static irqreturn_t snd_emu10k1x_interrupt(int irq, void *dev_id, | |
789 | struct pt_regs *regs) | |
790 | { | |
791 | unsigned int status; | |
792 | ||
793 | emu10k1x_t *chip = dev_id; | |
794 | emu10k1x_voice_t *pvoice = chip->voices; | |
795 | int i; | |
796 | int mask; | |
797 | ||
798 | status = inl(chip->port + IPR); | |
799 | ||
800 | if(status) { | |
801 | // capture interrupt | |
802 | if(status & (IPR_CAP_0_LOOP | IPR_CAP_0_HALF_LOOP)) { | |
803 | emu10k1x_voice_t *pvoice = &chip->capture_voice; | |
804 | if(pvoice->use) | |
805 | snd_emu10k1x_pcm_interrupt(chip, pvoice); | |
806 | else | |
807 | snd_emu10k1x_intr_disable(chip, | |
808 | INTE_CAP_0_LOOP | | |
809 | INTE_CAP_0_HALF_LOOP); | |
810 | } | |
811 | ||
812 | mask = IPR_CH_0_LOOP|IPR_CH_0_HALF_LOOP; | |
813 | for(i = 0; i < 3; i++) { | |
814 | if(status & mask) { | |
815 | if(pvoice->use) | |
816 | snd_emu10k1x_pcm_interrupt(chip, pvoice); | |
817 | else | |
818 | snd_emu10k1x_intr_disable(chip, mask); | |
819 | } | |
820 | pvoice++; | |
821 | mask <<= 1; | |
822 | } | |
823 | ||
824 | if (status & (IPR_MIDITRANSBUFEMPTY|IPR_MIDIRECVBUFEMPTY)) { | |
825 | if (chip->midi.interrupt) | |
826 | chip->midi.interrupt(chip, status); | |
827 | else | |
828 | snd_emu10k1x_intr_disable(chip, INTE_MIDITXENABLE|INTE_MIDIRXENABLE); | |
829 | } | |
830 | ||
831 | // acknowledge the interrupt if necessary | |
832 | if(status) | |
833 | outl(status, chip->port+IPR); | |
834 | ||
835 | // snd_printk(KERN_INFO "interrupt %08x\n", status); | |
836 | } | |
837 | ||
838 | return IRQ_HANDLED; | |
839 | } | |
840 | ||
841 | static void snd_emu10k1x_pcm_free(snd_pcm_t *pcm) | |
842 | { | |
843 | emu10k1x_t *emu = pcm->private_data; | |
844 | emu->pcm = NULL; | |
845 | snd_pcm_lib_preallocate_free_for_all(pcm); | |
846 | } | |
847 | ||
848 | static int __devinit snd_emu10k1x_pcm(emu10k1x_t *emu, int device, snd_pcm_t **rpcm) | |
849 | { | |
850 | snd_pcm_t *pcm; | |
851 | int err; | |
852 | int capture = 0; | |
853 | ||
854 | if (rpcm) | |
855 | *rpcm = NULL; | |
856 | if (device == 0) | |
857 | capture = 1; | |
858 | ||
859 | if ((err = snd_pcm_new(emu->card, "emu10k1x", device, 1, capture, &pcm)) < 0) | |
860 | return err; | |
861 | ||
862 | pcm->private_data = emu; | |
863 | pcm->private_free = snd_emu10k1x_pcm_free; | |
864 | ||
865 | switch(device) { | |
866 | case 0: | |
867 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops); | |
868 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1x_capture_ops); | |
869 | break; | |
870 | case 1: | |
871 | case 2: | |
872 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops); | |
873 | break; | |
874 | } | |
875 | ||
876 | pcm->info_flags = 0; | |
877 | pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; | |
878 | switch(device) { | |
879 | case 0: | |
880 | strcpy(pcm->name, "EMU10K1X Front"); | |
881 | break; | |
882 | case 1: | |
883 | strcpy(pcm->name, "EMU10K1X Rear"); | |
884 | break; | |
885 | case 2: | |
886 | strcpy(pcm->name, "EMU10K1X Center/LFE"); | |
887 | break; | |
888 | } | |
889 | emu->pcm = pcm; | |
890 | ||
891 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, | |
892 | snd_dma_pci_data(emu->pci), | |
893 | 32*1024, 32*1024); | |
894 | ||
895 | if (rpcm) | |
896 | *rpcm = pcm; | |
897 | ||
898 | return 0; | |
899 | } | |
900 | ||
901 | static int __devinit snd_emu10k1x_create(snd_card_t *card, | |
902 | struct pci_dev *pci, | |
903 | emu10k1x_t **rchip) | |
904 | { | |
905 | emu10k1x_t *chip; | |
906 | int err; | |
907 | int ch; | |
908 | static snd_device_ops_t ops = { | |
909 | .dev_free = snd_emu10k1x_dev_free, | |
910 | }; | |
911 | ||
912 | *rchip = NULL; | |
913 | ||
914 | if ((err = pci_enable_device(pci)) < 0) | |
915 | return err; | |
916 | if (pci_set_dma_mask(pci, 0x0fffffff) < 0 || | |
917 | pci_set_consistent_dma_mask(pci, 0x0fffffff) < 0) { | |
918 | snd_printk(KERN_ERR "error to set 28bit mask DMA\n"); | |
919 | pci_disable_device(pci); | |
920 | return -ENXIO; | |
921 | } | |
922 | ||
923 | chip = kcalloc(1, sizeof(*chip), GFP_KERNEL); | |
924 | if (chip == NULL) { | |
925 | pci_disable_device(pci); | |
926 | return -ENOMEM; | |
927 | } | |
928 | ||
929 | chip->card = card; | |
930 | chip->pci = pci; | |
931 | chip->irq = -1; | |
932 | ||
933 | spin_lock_init(&chip->emu_lock); | |
934 | spin_lock_init(&chip->voice_lock); | |
935 | ||
936 | chip->port = pci_resource_start(pci, 0); | |
937 | if ((chip->res_port = request_region(chip->port, 8, | |
938 | "EMU10K1X")) == NULL) { | |
939 | snd_printk(KERN_ERR "emu10k1x: cannot allocate the port 0x%lx\n", chip->port); | |
940 | snd_emu10k1x_free(chip); | |
941 | return -EBUSY; | |
942 | } | |
943 | ||
944 | if (request_irq(pci->irq, snd_emu10k1x_interrupt, | |
945 | SA_INTERRUPT|SA_SHIRQ, "EMU10K1X", | |
946 | (void *)chip)) { | |
947 | snd_printk(KERN_ERR "emu10k1x: cannot grab irq %d\n", pci->irq); | |
948 | snd_emu10k1x_free(chip); | |
949 | return -EBUSY; | |
950 | } | |
951 | chip->irq = pci->irq; | |
952 | ||
953 | if(snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), | |
954 | 4 * 1024, &chip->dma_buffer) < 0) { | |
955 | snd_emu10k1x_free(chip); | |
956 | return -ENOMEM; | |
957 | } | |
958 | ||
959 | pci_set_master(pci); | |
960 | /* read revision & serial */ | |
961 | pci_read_config_byte(pci, PCI_REVISION_ID, (char *)&chip->revision); | |
962 | pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial); | |
963 | pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model); | |
964 | snd_printk(KERN_INFO "Model %04x Rev %08x Serial %08x\n", chip->model, | |
965 | chip->revision, chip->serial); | |
966 | ||
967 | outl(0, chip->port + INTE); | |
968 | ||
969 | for(ch = 0; ch < 3; ch++) { | |
970 | chip->voices[ch].emu = chip; | |
971 | chip->voices[ch].number = ch; | |
972 | } | |
973 | ||
974 | /* | |
975 | * Init to 0x02109204 : | |
976 | * Clock accuracy = 0 (1000ppm) | |
977 | * Sample Rate = 2 (48kHz) | |
978 | * Audio Channel = 1 (Left of 2) | |
979 | * Source Number = 0 (Unspecified) | |
980 | * Generation Status = 1 (Original for Cat Code 12) | |
981 | * Cat Code = 12 (Digital Signal Mixer) | |
982 | * Mode = 0 (Mode 0) | |
983 | * Emphasis = 0 (None) | |
984 | * CP = 1 (Copyright unasserted) | |
985 | * AN = 0 (Audio data) | |
986 | * P = 0 (Consumer) | |
987 | */ | |
988 | snd_emu10k1x_ptr_write(chip, SPCS0, 0, | |
989 | chip->spdif_bits[0] = | |
990 | SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | | |
991 | SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | | |
992 | SPCS_GENERATIONSTATUS | 0x00001200 | | |
993 | 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); | |
994 | snd_emu10k1x_ptr_write(chip, SPCS1, 0, | |
995 | chip->spdif_bits[1] = | |
996 | SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | | |
997 | SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | | |
998 | SPCS_GENERATIONSTATUS | 0x00001200 | | |
999 | 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); | |
1000 | snd_emu10k1x_ptr_write(chip, SPCS2, 0, | |
1001 | chip->spdif_bits[2] = | |
1002 | SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | | |
1003 | SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | | |
1004 | SPCS_GENERATIONSTATUS | 0x00001200 | | |
1005 | 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); | |
1006 | ||
1007 | snd_emu10k1x_ptr_write(chip, SPDIF_SELECT, 0, 0x700); // disable SPDIF | |
1008 | snd_emu10k1x_ptr_write(chip, ROUTING, 0, 0x1003F); // routing | |
1009 | snd_emu10k1x_gpio_write(chip, 0x1080); // analog mode | |
1010 | ||
1011 | outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG); | |
1012 | ||
1013 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, | |
1014 | chip, &ops)) < 0) { | |
1015 | snd_emu10k1x_free(chip); | |
1016 | return err; | |
1017 | } | |
1018 | *rchip = chip; | |
1019 | return 0; | |
1020 | } | |
1021 | ||
1022 | static void snd_emu10k1x_proc_reg_read(snd_info_entry_t *entry, | |
1023 | snd_info_buffer_t * buffer) | |
1024 | { | |
1025 | emu10k1x_t *emu = entry->private_data; | |
1026 | unsigned long value,value1,value2; | |
1027 | unsigned long flags; | |
1028 | int i; | |
1029 | ||
1030 | snd_iprintf(buffer, "Registers:\n\n"); | |
1031 | for(i = 0; i < 0x20; i+=4) { | |
1032 | spin_lock_irqsave(&emu->emu_lock, flags); | |
1033 | value = inl(emu->port + i); | |
1034 | spin_unlock_irqrestore(&emu->emu_lock, flags); | |
1035 | snd_iprintf(buffer, "Register %02X: %08lX\n", i, value); | |
1036 | } | |
1037 | snd_iprintf(buffer, "\nRegisters\n\n"); | |
1038 | for(i = 0; i <= 0x48; i++) { | |
1039 | value = snd_emu10k1x_ptr_read(emu, i, 0); | |
1040 | if(i < 0x10 || (i >= 0x20 && i < 0x40)) { | |
1041 | value1 = snd_emu10k1x_ptr_read(emu, i, 1); | |
1042 | value2 = snd_emu10k1x_ptr_read(emu, i, 2); | |
1043 | snd_iprintf(buffer, "%02X: %08lX %08lX %08lX\n", i, value, value1, value2); | |
1044 | } else { | |
1045 | snd_iprintf(buffer, "%02X: %08lX\n", i, value); | |
1046 | } | |
1047 | } | |
1048 | } | |
1049 | ||
1050 | static void snd_emu10k1x_proc_reg_write(snd_info_entry_t *entry, | |
1051 | snd_info_buffer_t *buffer) | |
1052 | { | |
1053 | emu10k1x_t *emu = entry->private_data; | |
1054 | char line[64]; | |
1055 | unsigned int reg, channel_id , val; | |
1056 | ||
1057 | while (!snd_info_get_line(buffer, line, sizeof(line))) { | |
1058 | if (sscanf(line, "%x %x %x", ®, &channel_id, &val) != 3) | |
1059 | continue; | |
1060 | ||
1061 | if ((reg < 0x49) && (reg >=0) && (val <= 0xffffffff) | |
1062 | && (channel_id >=0) && (channel_id <= 2) ) | |
1063 | snd_emu10k1x_ptr_write(emu, reg, channel_id, val); | |
1064 | } | |
1065 | } | |
1066 | ||
1067 | static int __devinit snd_emu10k1x_proc_init(emu10k1x_t * emu) | |
1068 | { | |
1069 | snd_info_entry_t *entry; | |
1070 | ||
1071 | if(! snd_card_proc_new(emu->card, "emu10k1x_regs", &entry)) { | |
1072 | snd_info_set_text_ops(entry, emu, 1024, snd_emu10k1x_proc_reg_read); | |
1073 | entry->c.text.write_size = 64; | |
1074 | entry->c.text.write = snd_emu10k1x_proc_reg_write; | |
bd7bf042 | 1075 | entry->mode |= S_IWUSR; |
1da177e4 LT |
1076 | entry->private_data = emu; |
1077 | } | |
1078 | ||
1079 | return 0; | |
1080 | } | |
1081 | ||
1082 | static int snd_emu10k1x_shared_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) | |
1083 | { | |
1084 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
1085 | uinfo->count = 1; | |
1086 | uinfo->value.integer.min = 0; | |
1087 | uinfo->value.integer.max = 1; | |
1088 | return 0; | |
1089 | } | |
1090 | ||
1091 | static int snd_emu10k1x_shared_spdif_get(snd_kcontrol_t * kcontrol, | |
1092 | snd_ctl_elem_value_t * ucontrol) | |
1093 | { | |
1094 | emu10k1x_t *emu = snd_kcontrol_chip(kcontrol); | |
1095 | ||
1096 | ucontrol->value.integer.value[0] = (snd_emu10k1x_ptr_read(emu, SPDIF_SELECT, 0) == 0x700) ? 0 : 1; | |
1097 | ||
1098 | return 0; | |
1099 | } | |
1100 | ||
1101 | static int snd_emu10k1x_shared_spdif_put(snd_kcontrol_t * kcontrol, | |
1102 | snd_ctl_elem_value_t * ucontrol) | |
1103 | { | |
1104 | emu10k1x_t *emu = snd_kcontrol_chip(kcontrol); | |
1105 | unsigned int val; | |
1106 | int change = 0; | |
1107 | ||
1108 | val = ucontrol->value.integer.value[0] ; | |
1109 | ||
1110 | if (val) { | |
1111 | // enable spdif output | |
1112 | snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x000); | |
1113 | snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x700); | |
1114 | snd_emu10k1x_gpio_write(emu, 0x1000); | |
1115 | } else { | |
1116 | // disable spdif output | |
1117 | snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x700); | |
1118 | snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x1003F); | |
1119 | snd_emu10k1x_gpio_write(emu, 0x1080); | |
1120 | } | |
1121 | return change; | |
1122 | } | |
1123 | ||
1124 | static snd_kcontrol_new_t snd_emu10k1x_shared_spdif __devinitdata = | |
1125 | { | |
1126 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1127 | .name = "Analog/Digital Output Jack", | |
1128 | .info = snd_emu10k1x_shared_spdif_info, | |
1129 | .get = snd_emu10k1x_shared_spdif_get, | |
1130 | .put = snd_emu10k1x_shared_spdif_put | |
1131 | }; | |
1132 | ||
1133 | static int snd_emu10k1x_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) | |
1134 | { | |
1135 | uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; | |
1136 | uinfo->count = 1; | |
1137 | return 0; | |
1138 | } | |
1139 | ||
1140 | static int snd_emu10k1x_spdif_get(snd_kcontrol_t * kcontrol, | |
1141 | snd_ctl_elem_value_t * ucontrol) | |
1142 | { | |
1143 | emu10k1x_t *emu = snd_kcontrol_chip(kcontrol); | |
1144 | unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); | |
1145 | ||
1146 | ucontrol->value.iec958.status[0] = (emu->spdif_bits[idx] >> 0) & 0xff; | |
1147 | ucontrol->value.iec958.status[1] = (emu->spdif_bits[idx] >> 8) & 0xff; | |
1148 | ucontrol->value.iec958.status[2] = (emu->spdif_bits[idx] >> 16) & 0xff; | |
1149 | ucontrol->value.iec958.status[3] = (emu->spdif_bits[idx] >> 24) & 0xff; | |
1150 | return 0; | |
1151 | } | |
1152 | ||
1153 | static int snd_emu10k1x_spdif_get_mask(snd_kcontrol_t * kcontrol, | |
1154 | snd_ctl_elem_value_t * ucontrol) | |
1155 | { | |
1156 | ucontrol->value.iec958.status[0] = 0xff; | |
1157 | ucontrol->value.iec958.status[1] = 0xff; | |
1158 | ucontrol->value.iec958.status[2] = 0xff; | |
1159 | ucontrol->value.iec958.status[3] = 0xff; | |
1160 | return 0; | |
1161 | } | |
1162 | ||
1163 | static int snd_emu10k1x_spdif_put(snd_kcontrol_t * kcontrol, | |
1164 | snd_ctl_elem_value_t * ucontrol) | |
1165 | { | |
1166 | emu10k1x_t *emu = snd_kcontrol_chip(kcontrol); | |
1167 | unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); | |
1168 | int change; | |
1169 | unsigned int val; | |
1170 | ||
1171 | val = (ucontrol->value.iec958.status[0] << 0) | | |
1172 | (ucontrol->value.iec958.status[1] << 8) | | |
1173 | (ucontrol->value.iec958.status[2] << 16) | | |
1174 | (ucontrol->value.iec958.status[3] << 24); | |
1175 | change = val != emu->spdif_bits[idx]; | |
1176 | if (change) { | |
1177 | snd_emu10k1x_ptr_write(emu, SPCS0 + idx, 0, val); | |
1178 | emu->spdif_bits[idx] = val; | |
1179 | } | |
1180 | return change; | |
1181 | } | |
1182 | ||
1183 | static snd_kcontrol_new_t snd_emu10k1x_spdif_mask_control = | |
1184 | { | |
1185 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
1186 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1187 | .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK), | |
1188 | .count = 3, | |
1189 | .info = snd_emu10k1x_spdif_info, | |
1190 | .get = snd_emu10k1x_spdif_get_mask | |
1191 | }; | |
1192 | ||
1193 | static snd_kcontrol_new_t snd_emu10k1x_spdif_control = | |
1194 | { | |
1195 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1196 | .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), | |
1197 | .count = 3, | |
1198 | .info = snd_emu10k1x_spdif_info, | |
1199 | .get = snd_emu10k1x_spdif_get, | |
1200 | .put = snd_emu10k1x_spdif_put | |
1201 | }; | |
1202 | ||
1203 | static int __devinit snd_emu10k1x_mixer(emu10k1x_t *emu) | |
1204 | { | |
1205 | int err; | |
1206 | snd_kcontrol_t *kctl; | |
1207 | snd_card_t *card = emu->card; | |
1208 | ||
1209 | if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_mask_control, emu)) == NULL) | |
1210 | return -ENOMEM; | |
1211 | if ((err = snd_ctl_add(card, kctl))) | |
1212 | return err; | |
1213 | if ((kctl = snd_ctl_new1(&snd_emu10k1x_shared_spdif, emu)) == NULL) | |
1214 | return -ENOMEM; | |
1215 | if ((err = snd_ctl_add(card, kctl))) | |
1216 | return err; | |
1217 | if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_control, emu)) == NULL) | |
1218 | return -ENOMEM; | |
1219 | if ((err = snd_ctl_add(card, kctl))) | |
1220 | return err; | |
1221 | ||
1222 | return 0; | |
1223 | } | |
1224 | ||
1225 | #define EMU10K1X_MIDI_MODE_INPUT (1<<0) | |
1226 | #define EMU10K1X_MIDI_MODE_OUTPUT (1<<1) | |
1227 | ||
1228 | static inline unsigned char mpu401_read(emu10k1x_t *emu, emu10k1x_midi_t *mpu, int idx) | |
1229 | { | |
1230 | return (unsigned char)snd_emu10k1x_ptr_read(emu, mpu->port + idx, 0); | |
1231 | } | |
1232 | ||
1233 | static inline void mpu401_write(emu10k1x_t *emu, emu10k1x_midi_t *mpu, int data, int idx) | |
1234 | { | |
1235 | snd_emu10k1x_ptr_write(emu, mpu->port + idx, 0, data); | |
1236 | } | |
1237 | ||
1238 | #define mpu401_write_data(emu, mpu, data) mpu401_write(emu, mpu, data, 0) | |
1239 | #define mpu401_write_cmd(emu, mpu, data) mpu401_write(emu, mpu, data, 1) | |
1240 | #define mpu401_read_data(emu, mpu) mpu401_read(emu, mpu, 0) | |
1241 | #define mpu401_read_stat(emu, mpu) mpu401_read(emu, mpu, 1) | |
1242 | ||
1243 | #define mpu401_input_avail(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x80)) | |
1244 | #define mpu401_output_ready(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x40)) | |
1245 | ||
1246 | #define MPU401_RESET 0xff | |
1247 | #define MPU401_ENTER_UART 0x3f | |
1248 | #define MPU401_ACK 0xfe | |
1249 | ||
1250 | static void mpu401_clear_rx(emu10k1x_t *emu, emu10k1x_midi_t *mpu) | |
1251 | { | |
1252 | int timeout = 100000; | |
1253 | for (; timeout > 0 && mpu401_input_avail(emu, mpu); timeout--) | |
1254 | mpu401_read_data(emu, mpu); | |
1255 | #ifdef CONFIG_SND_DEBUG | |
1256 | if (timeout <= 0) | |
1257 | snd_printk(KERN_ERR "cmd: clear rx timeout (status = 0x%x)\n", mpu401_read_stat(emu, mpu)); | |
1258 | #endif | |
1259 | } | |
1260 | ||
1261 | /* | |
1262 | ||
1263 | */ | |
1264 | ||
1265 | static void do_emu10k1x_midi_interrupt(emu10k1x_t *emu, emu10k1x_midi_t *midi, unsigned int status) | |
1266 | { | |
1267 | unsigned char byte; | |
1268 | ||
1269 | if (midi->rmidi == NULL) { | |
1270 | snd_emu10k1x_intr_disable(emu, midi->tx_enable | midi->rx_enable); | |
1271 | return; | |
1272 | } | |
1273 | ||
1274 | spin_lock(&midi->input_lock); | |
1275 | if ((status & midi->ipr_rx) && mpu401_input_avail(emu, midi)) { | |
1276 | if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { | |
1277 | mpu401_clear_rx(emu, midi); | |
1278 | } else { | |
1279 | byte = mpu401_read_data(emu, midi); | |
1280 | if (midi->substream_input) | |
1281 | snd_rawmidi_receive(midi->substream_input, &byte, 1); | |
1282 | } | |
1283 | } | |
1284 | spin_unlock(&midi->input_lock); | |
1285 | ||
1286 | spin_lock(&midi->output_lock); | |
1287 | if ((status & midi->ipr_tx) && mpu401_output_ready(emu, midi)) { | |
1288 | if (midi->substream_output && | |
1289 | snd_rawmidi_transmit(midi->substream_output, &byte, 1) == 1) { | |
1290 | mpu401_write_data(emu, midi, byte); | |
1291 | } else { | |
1292 | snd_emu10k1x_intr_disable(emu, midi->tx_enable); | |
1293 | } | |
1294 | } | |
1295 | spin_unlock(&midi->output_lock); | |
1296 | } | |
1297 | ||
1298 | static void snd_emu10k1x_midi_interrupt(emu10k1x_t *emu, unsigned int status) | |
1299 | { | |
1300 | do_emu10k1x_midi_interrupt(emu, &emu->midi, status); | |
1301 | } | |
1302 | ||
1303 | static void snd_emu10k1x_midi_cmd(emu10k1x_t * emu, emu10k1x_midi_t *midi, unsigned char cmd, int ack) | |
1304 | { | |
1305 | unsigned long flags; | |
1306 | int timeout, ok; | |
1307 | ||
1308 | spin_lock_irqsave(&midi->input_lock, flags); | |
1309 | mpu401_write_data(emu, midi, 0x00); | |
1310 | /* mpu401_clear_rx(emu, midi); */ | |
1311 | ||
1312 | mpu401_write_cmd(emu, midi, cmd); | |
1313 | if (ack) { | |
1314 | ok = 0; | |
1315 | timeout = 10000; | |
1316 | while (!ok && timeout-- > 0) { | |
1317 | if (mpu401_input_avail(emu, midi)) { | |
1318 | if (mpu401_read_data(emu, midi) == MPU401_ACK) | |
1319 | ok = 1; | |
1320 | } | |
1321 | } | |
1322 | if (!ok && mpu401_read_data(emu, midi) == MPU401_ACK) | |
1323 | ok = 1; | |
1324 | } else { | |
1325 | ok = 1; | |
1326 | } | |
1327 | spin_unlock_irqrestore(&midi->input_lock, flags); | |
1328 | if (!ok) | |
1329 | snd_printk(KERN_ERR "midi_cmd: 0x%x failed at 0x%lx (status = 0x%x, data = 0x%x)!!!\n", | |
1330 | cmd, emu->port, | |
1331 | mpu401_read_stat(emu, midi), | |
1332 | mpu401_read_data(emu, midi)); | |
1333 | } | |
1334 | ||
1335 | static int snd_emu10k1x_midi_input_open(snd_rawmidi_substream_t * substream) | |
1336 | { | |
1337 | emu10k1x_t *emu; | |
1338 | emu10k1x_midi_t *midi = (emu10k1x_midi_t *)substream->rmidi->private_data; | |
1339 | unsigned long flags; | |
1340 | ||
1341 | emu = midi->emu; | |
1342 | snd_assert(emu, return -ENXIO); | |
1343 | spin_lock_irqsave(&midi->open_lock, flags); | |
1344 | midi->midi_mode |= EMU10K1X_MIDI_MODE_INPUT; | |
1345 | midi->substream_input = substream; | |
1346 | if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) { | |
1347 | spin_unlock_irqrestore(&midi->open_lock, flags); | |
1348 | snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1); | |
1349 | snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1); | |
1350 | } else { | |
1351 | spin_unlock_irqrestore(&midi->open_lock, flags); | |
1352 | } | |
1353 | return 0; | |
1354 | } | |
1355 | ||
1356 | static int snd_emu10k1x_midi_output_open(snd_rawmidi_substream_t * substream) | |
1357 | { | |
1358 | emu10k1x_t *emu; | |
1359 | emu10k1x_midi_t *midi = (emu10k1x_midi_t *)substream->rmidi->private_data; | |
1360 | unsigned long flags; | |
1361 | ||
1362 | emu = midi->emu; | |
1363 | snd_assert(emu, return -ENXIO); | |
1364 | spin_lock_irqsave(&midi->open_lock, flags); | |
1365 | midi->midi_mode |= EMU10K1X_MIDI_MODE_OUTPUT; | |
1366 | midi->substream_output = substream; | |
1367 | if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { | |
1368 | spin_unlock_irqrestore(&midi->open_lock, flags); | |
1369 | snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1); | |
1370 | snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1); | |
1371 | } else { | |
1372 | spin_unlock_irqrestore(&midi->open_lock, flags); | |
1373 | } | |
1374 | return 0; | |
1375 | } | |
1376 | ||
1377 | static int snd_emu10k1x_midi_input_close(snd_rawmidi_substream_t * substream) | |
1378 | { | |
1379 | emu10k1x_t *emu; | |
1380 | emu10k1x_midi_t *midi = (emu10k1x_midi_t *)substream->rmidi->private_data; | |
1381 | unsigned long flags; | |
1382 | ||
1383 | emu = midi->emu; | |
1384 | snd_assert(emu, return -ENXIO); | |
1385 | spin_lock_irqsave(&midi->open_lock, flags); | |
1386 | snd_emu10k1x_intr_disable(emu, midi->rx_enable); | |
1387 | midi->midi_mode &= ~EMU10K1X_MIDI_MODE_INPUT; | |
1388 | midi->substream_input = NULL; | |
1389 | if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) { | |
1390 | spin_unlock_irqrestore(&midi->open_lock, flags); | |
1391 | snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0); | |
1392 | } else { | |
1393 | spin_unlock_irqrestore(&midi->open_lock, flags); | |
1394 | } | |
1395 | return 0; | |
1396 | } | |
1397 | ||
1398 | static int snd_emu10k1x_midi_output_close(snd_rawmidi_substream_t * substream) | |
1399 | { | |
1400 | emu10k1x_t *emu; | |
1401 | emu10k1x_midi_t *midi = (emu10k1x_midi_t *)substream->rmidi->private_data; | |
1402 | unsigned long flags; | |
1403 | ||
1404 | emu = midi->emu; | |
1405 | snd_assert(emu, return -ENXIO); | |
1406 | spin_lock_irqsave(&midi->open_lock, flags); | |
1407 | snd_emu10k1x_intr_disable(emu, midi->tx_enable); | |
1408 | midi->midi_mode &= ~EMU10K1X_MIDI_MODE_OUTPUT; | |
1409 | midi->substream_output = NULL; | |
1410 | if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { | |
1411 | spin_unlock_irqrestore(&midi->open_lock, flags); | |
1412 | snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0); | |
1413 | } else { | |
1414 | spin_unlock_irqrestore(&midi->open_lock, flags); | |
1415 | } | |
1416 | return 0; | |
1417 | } | |
1418 | ||
1419 | static void snd_emu10k1x_midi_input_trigger(snd_rawmidi_substream_t * substream, int up) | |
1420 | { | |
1421 | emu10k1x_t *emu; | |
1422 | emu10k1x_midi_t *midi = (emu10k1x_midi_t *)substream->rmidi->private_data; | |
1423 | emu = midi->emu; | |
1424 | snd_assert(emu, return); | |
1425 | ||
1426 | if (up) | |
1427 | snd_emu10k1x_intr_enable(emu, midi->rx_enable); | |
1428 | else | |
1429 | snd_emu10k1x_intr_disable(emu, midi->rx_enable); | |
1430 | } | |
1431 | ||
1432 | static void snd_emu10k1x_midi_output_trigger(snd_rawmidi_substream_t * substream, int up) | |
1433 | { | |
1434 | emu10k1x_t *emu; | |
1435 | emu10k1x_midi_t *midi = (emu10k1x_midi_t *)substream->rmidi->private_data; | |
1436 | unsigned long flags; | |
1437 | ||
1438 | emu = midi->emu; | |
1439 | snd_assert(emu, return); | |
1440 | ||
1441 | if (up) { | |
1442 | int max = 4; | |
1443 | unsigned char byte; | |
1444 | ||
1445 | /* try to send some amount of bytes here before interrupts */ | |
1446 | spin_lock_irqsave(&midi->output_lock, flags); | |
1447 | while (max > 0) { | |
1448 | if (mpu401_output_ready(emu, midi)) { | |
1449 | if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT) || | |
1450 | snd_rawmidi_transmit(substream, &byte, 1) != 1) { | |
1451 | /* no more data */ | |
1452 | spin_unlock_irqrestore(&midi->output_lock, flags); | |
1453 | return; | |
1454 | } | |
1455 | mpu401_write_data(emu, midi, byte); | |
1456 | max--; | |
1457 | } else { | |
1458 | break; | |
1459 | } | |
1460 | } | |
1461 | spin_unlock_irqrestore(&midi->output_lock, flags); | |
1462 | snd_emu10k1x_intr_enable(emu, midi->tx_enable); | |
1463 | } else { | |
1464 | snd_emu10k1x_intr_disable(emu, midi->tx_enable); | |
1465 | } | |
1466 | } | |
1467 | ||
1468 | /* | |
1469 | ||
1470 | */ | |
1471 | ||
1472 | static snd_rawmidi_ops_t snd_emu10k1x_midi_output = | |
1473 | { | |
1474 | .open = snd_emu10k1x_midi_output_open, | |
1475 | .close = snd_emu10k1x_midi_output_close, | |
1476 | .trigger = snd_emu10k1x_midi_output_trigger, | |
1477 | }; | |
1478 | ||
1479 | static snd_rawmidi_ops_t snd_emu10k1x_midi_input = | |
1480 | { | |
1481 | .open = snd_emu10k1x_midi_input_open, | |
1482 | .close = snd_emu10k1x_midi_input_close, | |
1483 | .trigger = snd_emu10k1x_midi_input_trigger, | |
1484 | }; | |
1485 | ||
1486 | static void snd_emu10k1x_midi_free(snd_rawmidi_t *rmidi) | |
1487 | { | |
1488 | emu10k1x_midi_t *midi = (emu10k1x_midi_t *)rmidi->private_data; | |
1489 | midi->interrupt = NULL; | |
1490 | midi->rmidi = NULL; | |
1491 | } | |
1492 | ||
1493 | static int __devinit emu10k1x_midi_init(emu10k1x_t *emu, emu10k1x_midi_t *midi, int device, char *name) | |
1494 | { | |
1495 | snd_rawmidi_t *rmidi; | |
1496 | int err; | |
1497 | ||
1498 | if ((err = snd_rawmidi_new(emu->card, name, device, 1, 1, &rmidi)) < 0) | |
1499 | return err; | |
1500 | midi->emu = emu; | |
1501 | spin_lock_init(&midi->open_lock); | |
1502 | spin_lock_init(&midi->input_lock); | |
1503 | spin_lock_init(&midi->output_lock); | |
1504 | strcpy(rmidi->name, name); | |
1505 | snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_emu10k1x_midi_output); | |
1506 | snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_emu10k1x_midi_input); | |
1507 | rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | | |
1508 | SNDRV_RAWMIDI_INFO_INPUT | | |
1509 | SNDRV_RAWMIDI_INFO_DUPLEX; | |
1510 | rmidi->private_data = midi; | |
1511 | rmidi->private_free = snd_emu10k1x_midi_free; | |
1512 | midi->rmidi = rmidi; | |
1513 | return 0; | |
1514 | } | |
1515 | ||
1516 | static int __devinit snd_emu10k1x_midi(emu10k1x_t *emu) | |
1517 | { | |
1518 | emu10k1x_midi_t *midi = &emu->midi; | |
1519 | int err; | |
1520 | ||
1521 | if ((err = emu10k1x_midi_init(emu, midi, 0, "EMU10K1X MPU-401 (UART)")) < 0) | |
1522 | return err; | |
1523 | ||
1524 | midi->tx_enable = INTE_MIDITXENABLE; | |
1525 | midi->rx_enable = INTE_MIDIRXENABLE; | |
1526 | midi->port = MUDATA; | |
1527 | midi->ipr_tx = IPR_MIDITRANSBUFEMPTY; | |
1528 | midi->ipr_rx = IPR_MIDIRECVBUFEMPTY; | |
1529 | midi->interrupt = snd_emu10k1x_midi_interrupt; | |
1530 | return 0; | |
1531 | } | |
1532 | ||
1533 | static int __devinit snd_emu10k1x_probe(struct pci_dev *pci, | |
1534 | const struct pci_device_id *pci_id) | |
1535 | { | |
1536 | static int dev; | |
1537 | snd_card_t *card; | |
1538 | emu10k1x_t *chip; | |
1539 | int err; | |
1540 | ||
1541 | if (dev >= SNDRV_CARDS) | |
1542 | return -ENODEV; | |
1543 | if (!enable[dev]) { | |
1544 | dev++; | |
1545 | return -ENOENT; | |
1546 | } | |
1547 | ||
1548 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); | |
1549 | if (card == NULL) | |
1550 | return -ENOMEM; | |
1551 | ||
1552 | if ((err = snd_emu10k1x_create(card, pci, &chip)) < 0) { | |
1553 | snd_card_free(card); | |
1554 | return err; | |
1555 | } | |
1556 | ||
1557 | if ((err = snd_emu10k1x_pcm(chip, 0, NULL)) < 0) { | |
1558 | snd_card_free(card); | |
1559 | return err; | |
1560 | } | |
1561 | if ((err = snd_emu10k1x_pcm(chip, 1, NULL)) < 0) { | |
1562 | snd_card_free(card); | |
1563 | return err; | |
1564 | } | |
1565 | if ((err = snd_emu10k1x_pcm(chip, 2, NULL)) < 0) { | |
1566 | snd_card_free(card); | |
1567 | return err; | |
1568 | } | |
1569 | ||
1570 | if ((err = snd_emu10k1x_ac97(chip)) < 0) { | |
1571 | snd_card_free(card); | |
1572 | return err; | |
1573 | } | |
1574 | ||
1575 | if ((err = snd_emu10k1x_mixer(chip)) < 0) { | |
1576 | snd_card_free(card); | |
1577 | return err; | |
1578 | } | |
1579 | ||
1580 | if ((err = snd_emu10k1x_midi(chip)) < 0) { | |
1581 | snd_card_free(card); | |
1582 | return err; | |
1583 | } | |
1584 | ||
1585 | snd_emu10k1x_proc_init(chip); | |
1586 | ||
1587 | strcpy(card->driver, "EMU10K1X"); | |
1588 | strcpy(card->shortname, "Dell Sound Blaster Live!"); | |
1589 | sprintf(card->longname, "%s at 0x%lx irq %i", | |
1590 | card->shortname, chip->port, chip->irq); | |
1591 | ||
1592 | if ((err = snd_card_register(card)) < 0) { | |
1593 | snd_card_free(card); | |
1594 | return err; | |
1595 | } | |
1596 | ||
1597 | pci_set_drvdata(pci, card); | |
1598 | dev++; | |
1599 | return 0; | |
1600 | } | |
1601 | ||
1602 | static void __devexit snd_emu10k1x_remove(struct pci_dev *pci) | |
1603 | { | |
1604 | snd_card_free(pci_get_drvdata(pci)); | |
1605 | pci_set_drvdata(pci, NULL); | |
1606 | } | |
1607 | ||
1608 | // PCI IDs | |
1609 | static struct pci_device_id snd_emu10k1x_ids[] = { | |
1610 | { 0x1102, 0x0006, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* Dell OEM version (EMU10K1) */ | |
1611 | { 0, } | |
1612 | }; | |
1613 | MODULE_DEVICE_TABLE(pci, snd_emu10k1x_ids); | |
1614 | ||
1615 | // pci_driver definition | |
1616 | static struct pci_driver driver = { | |
1617 | .name = "EMU10K1X", | |
1618 | .id_table = snd_emu10k1x_ids, | |
1619 | .probe = snd_emu10k1x_probe, | |
1620 | .remove = __devexit_p(snd_emu10k1x_remove), | |
1621 | }; | |
1622 | ||
1623 | // initialization of the module | |
1624 | static int __init alsa_card_emu10k1x_init(void) | |
1625 | { | |
1626 | int err; | |
1627 | ||
01d25d46 | 1628 | if ((err = pci_register_driver(&driver)) > 0) |
1da177e4 LT |
1629 | return err; |
1630 | ||
1631 | return 0; | |
1632 | } | |
1633 | ||
1634 | // clean up the module | |
1635 | static void __exit alsa_card_emu10k1x_exit(void) | |
1636 | { | |
1637 | pci_unregister_driver(&driver); | |
1638 | } | |
1639 | ||
1640 | module_init(alsa_card_emu10k1x_init) | |
1641 | module_exit(alsa_card_emu10k1x_exit) |