1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com> |
4 | * Driver EMU10K1X chips |
5 | * |
6 | * Parts of this code were adapted from audigyls.c driver which is |
7 | * Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk> |
8 | * |
9 | * BUGS: |
10 | * -- |
11 | * |
12 | * TODO: |
13 | * |
14 | * Chips (SB0200 model): |
15 | * - EMU10K1X-DBQ |
16 | * - STAC 9708T |
17 | */ |
18 | #include <linux/init.h> |
19 | #include <linux/interrupt.h> |
20 | #include <linux/pci.h> |
21 | #include <linux/dma-mapping.h> |
22 | #include <linux/slab.h> |
23 | #include <linux/module.h> |
24 | #include <sound/core.h> |
25 | #include <sound/initval.h> |
26 | #include <sound/pcm.h> |
27 | #include <sound/ac97_codec.h> |
28 | #include <sound/info.h> |
29 | #include <sound/rawmidi.h> |
30 | |
31 | MODULE_AUTHOR("Francisco Moraes <fmoraes@nc.rr.com>" ); |
32 | MODULE_DESCRIPTION("EMU10K1X" ); |
33 | MODULE_LICENSE("GPL" ); |
34 | |
35 | // module parameters (see "Module Parameters") |
36 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; |
37 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; |
38 | static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; |
39 | |
40 | module_param_array(index, int, NULL, 0444); |
41 | MODULE_PARM_DESC(index, "Index value for the EMU10K1X soundcard." ); |
42 | module_param_array(id, charp, NULL, 0444); |
43 | MODULE_PARM_DESC(id, "ID string for the EMU10K1X soundcard." ); |
44 | module_param_array(enable, bool, NULL, 0444); |
45 | MODULE_PARM_DESC(enable, "Enable the EMU10K1X soundcard." ); |
46 | |
47 | |
48 | // some definitions were borrowed from emu10k1 driver as they seem to be the same |
49 | /************************************************************************************************/ |
50 | /* PCI function 0 registers, address = <val> + PCIBASE0 */ |
51 | /************************************************************************************************/ |
52 | |
53 | #define PTR 0x00 /* Indexed register set pointer register */ |
54 | /* NOTE: The CHANNELNUM and ADDRESS words can */ |
55 | /* be modified independently of each other. */ |
56 | |
57 | #define DATA 0x04 /* Indexed register set data register */ |
58 | |
59 | #define IPR 0x08 /* Global interrupt pending register */ |
60 | /* Clear pending interrupts by writing a 1 to */ |
61 | /* the relevant bits and zero to the other bits */ |
62 | #define IPR_MIDITRANSBUFEMPTY 0x00000001 /* MIDI UART transmit buffer empty */ |
63 | #define IPR_MIDIRECVBUFEMPTY 0x00000002 /* MIDI UART receive buffer empty */ |
64 | #define IPR_CH_0_LOOP 0x00000800 /* Channel 0 loop */ |
65 | #define IPR_CH_0_HALF_LOOP 0x00000100 /* Channel 0 half loop */ |
66 | #define IPR_CAP_0_LOOP 0x00080000 /* Channel capture loop */ |
67 | #define IPR_CAP_0_HALF_LOOP 0x00010000 /* Channel capture half loop */ |
68 | |
69 | #define INTE 0x0c /* Interrupt enable register */ |
70 | #define INTE_MIDITXENABLE 0x00000001 /* Enable MIDI transmit-buffer-empty interrupts */ |
71 | #define INTE_MIDIRXENABLE 0x00000002 /* Enable MIDI receive-buffer-empty interrupts */ |
72 | #define INTE_CH_0_LOOP 0x00000800 /* Channel 0 loop */ |
73 | #define INTE_CH_0_HALF_LOOP 0x00000100 /* Channel 0 half loop */ |
74 | #define INTE_CAP_0_LOOP 0x00080000 /* Channel capture loop */ |
75 | #define INTE_CAP_0_HALF_LOOP 0x00010000 /* Channel capture half loop */ |
76 | |
77 | #define HCFG 0x14 /* Hardware config register */ |
78 | |
79 | #define HCFG_LOCKSOUNDCACHE 0x00000008 /* 1 = Cancel bustmaster accesses to soundcache */ |
80 | /* NOTE: This should generally never be used. */ |
81 | #define HCFG_AUDIOENABLE 0x00000001 /* 0 = CODECs transmit zero-valued samples */ |
82 | /* Should be set to 1 when the EMU10K1 is */ |
83 | /* completely initialized. */ |
84 | #define GPIO 0x18 /* Defaults: 00001080-Analog, 00001000-SPDIF. */ |
85 | |
86 | |
87 | #define AC97DATA 0x1c /* AC97 register set data register (16 bit) */ |
88 | |
89 | #define AC97ADDRESS 0x1e /* AC97 register set address register (8 bit) */ |
90 | |
91 | /********************************************************************************************************/ |
92 | /* Emu10k1x pointer-offset register set, accessed through the PTR and DATA registers */ |
93 | /********************************************************************************************************/ |
94 | #define PLAYBACK_LIST_ADDR 0x00 /* Base DMA address of a list of pointers to each period/size */ |
95 | /* One list entry: 4 bytes for DMA address, |
96 | * 4 bytes for period_size << 16. |
97 | * One list entry is 8 bytes long. |
98 | * One list entry for each period in the buffer. |
99 | */ |
100 | #define PLAYBACK_LIST_SIZE 0x01 /* Size of list in bytes << 16. E.g. 8 periods -> 0x00380000 */ |
101 | #define PLAYBACK_LIST_PTR 0x02 /* Pointer to the current period being played */ |
102 | #define PLAYBACK_DMA_ADDR 0x04 /* Playback DMA address */ |
103 | #define PLAYBACK_PERIOD_SIZE 0x05 /* Playback period size */ |
104 | #define PLAYBACK_POINTER 0x06 /* Playback period pointer. Sample currently in DAC */ |
105 | #define PLAYBACK_UNKNOWN1 0x07 |
106 | #define PLAYBACK_UNKNOWN2 0x08 |
107 | |
108 | /* Only one capture channel supported */ |
109 | #define CAPTURE_DMA_ADDR 0x10 /* Capture DMA address */ |
110 | #define CAPTURE_BUFFER_SIZE 0x11 /* Capture buffer size */ |
111 | #define CAPTURE_POINTER 0x12 /* Capture buffer pointer. Sample currently in ADC */ |
112 | #define CAPTURE_UNKNOWN 0x13 |
113 | |
114 | /* From 0x20 - 0x3f, last samples played on each channel */ |
115 | |
116 | #define TRIGGER_CHANNEL 0x40 /* Trigger channel playback */ |
117 | #define TRIGGER_CHANNEL_0 0x00000001 /* Trigger channel 0 */ |
118 | #define TRIGGER_CHANNEL_1 0x00000002 /* Trigger channel 1 */ |
119 | #define TRIGGER_CHANNEL_2 0x00000004 /* Trigger channel 2 */ |
120 | #define TRIGGER_CAPTURE 0x00000100 /* Trigger capture channel */ |
121 | |
122 | #define ROUTING 0x41 /* Setup sound routing ? */ |
123 | #define ROUTING_FRONT_LEFT 0x00000001 |
124 | #define ROUTING_FRONT_RIGHT 0x00000002 |
125 | #define ROUTING_REAR_LEFT 0x00000004 |
126 | #define ROUTING_REAR_RIGHT 0x00000008 |
127 | #define ROUTING_CENTER_LFE 0x00010000 |
128 | |
129 | #define SPCS0 0x42 /* SPDIF output Channel Status 0 register */ |
130 | |
131 | #define SPCS1 0x43 /* SPDIF output Channel Status 1 register */ |
132 | |
133 | #define SPCS2 0x44 /* SPDIF output Channel Status 2 register */ |
134 | |
135 | #define SPCS_CLKACCYMASK 0x30000000 /* Clock accuracy */ |
136 | #define SPCS_CLKACCY_1000PPM 0x00000000 /* 1000 parts per million */ |
137 | #define SPCS_CLKACCY_50PPM 0x10000000 /* 50 parts per million */ |
138 | #define SPCS_CLKACCY_VARIABLE 0x20000000 /* Variable accuracy */ |
139 | #define SPCS_SAMPLERATEMASK 0x0f000000 /* Sample rate */ |
140 | #define SPCS_SAMPLERATE_44 0x00000000 /* 44.1kHz sample rate */ |
141 | #define SPCS_SAMPLERATE_48 0x02000000 /* 48kHz sample rate */ |
142 | #define SPCS_SAMPLERATE_32 0x03000000 /* 32kHz sample rate */ |
143 | #define SPCS_CHANNELNUMMASK 0x00f00000 /* Channel number */ |
144 | #define SPCS_CHANNELNUM_UNSPEC 0x00000000 /* Unspecified channel number */ |
145 | #define SPCS_CHANNELNUM_LEFT 0x00100000 /* Left channel */ |
146 | #define SPCS_CHANNELNUM_RIGHT 0x00200000 /* Right channel */ |
147 | #define SPCS_SOURCENUMMASK 0x000f0000 /* Source number */ |
148 | #define SPCS_SOURCENUM_UNSPEC 0x00000000 /* Unspecified source number */ |
149 | #define SPCS_GENERATIONSTATUS 0x00008000 /* Originality flag (see IEC-958 spec) */ |
150 | #define SPCS_CATEGORYCODEMASK 0x00007f00 /* Category code (see IEC-958 spec) */ |
151 | #define SPCS_MODEMASK 0x000000c0 /* Mode (see IEC-958 spec) */ |
152 | #define SPCS_EMPHASISMASK 0x00000038 /* Emphasis */ |
153 | #define SPCS_EMPHASIS_NONE 0x00000000 /* No emphasis */ |
154 | #define SPCS_EMPHASIS_50_15 0x00000008 /* 50/15 usec 2 channel */ |
155 | #define SPCS_COPYRIGHT 0x00000004 /* Copyright asserted flag -- do not modify */ |
156 | #define SPCS_NOTAUDIODATA 0x00000002 /* 0 = Digital audio, 1 = not audio */ |
157 | #define SPCS_PROFESSIONAL 0x00000001 /* 0 = Consumer (IEC-958), 1 = pro (AES3-1992) */ |
158 | |
159 | #define SPDIF_SELECT 0x45 /* Enables SPDIF or Analogue outputs 0-Analogue, 0x700-SPDIF */ |
160 | |
161 | /* This is the MPU port on the card */ |
162 | #define MUDATA 0x47 |
163 | #define MUCMD 0x48 |
164 | #define MUSTAT MUCMD |
165 | |
166 | /* From 0x50 - 0x5f, last samples captured */ |
167 | |
168 | /* |
169 | * The hardware has 3 channels for playback and 1 for capture. |
170 | * - channel 0 is the front channel |
171 | * - channel 1 is the rear channel |
172 | * - channel 2 is the center/lfe channel |
173 | * Volume is controlled by the AC97 for the front and rear channels by |
174 | * the PCM Playback Volume, Sigmatel Surround Playback Volume and |
175 | * Surround Playback Volume. The Sigmatel 4-Speaker Stereo switch affects |
176 | * the front/rear channel mixing in the REAR OUT jack. When using the |
177 | * 4-Speaker Stereo, both front and rear channels will be mixed in the |
178 | * REAR OUT. |
179 | * The center/lfe channel has no volume control and cannot be muted during |
180 | * playback. |
181 | */ |
182 | |
183 | struct emu10k1x_voice { |
184 | struct emu10k1x *emu; |
185 | int number; |
186 | int use; |
187 | |
188 | struct emu10k1x_pcm *epcm; |
189 | }; |
190 | |
191 | struct emu10k1x_pcm { |
192 | struct emu10k1x *emu; |
193 | struct snd_pcm_substream *substream; |
194 | struct emu10k1x_voice *voice; |
195 | unsigned short running; |
196 | }; |
197 | |
198 | struct emu10k1x_midi { |
199 | struct emu10k1x *emu; |
200 | struct snd_rawmidi *rmidi; |
201 | struct snd_rawmidi_substream *substream_input; |
202 | struct snd_rawmidi_substream *substream_output; |
203 | unsigned int midi_mode; |
204 | spinlock_t input_lock; |
205 | spinlock_t output_lock; |
206 | spinlock_t open_lock; |
207 | int tx_enable, rx_enable; |
208 | int port; |
209 | int ipr_tx, ipr_rx; |
210 | void (*interrupt)(struct emu10k1x *emu, unsigned int status); |
211 | }; |
212 | |
213 | // definition of the chip-specific record |
214 | struct emu10k1x { |
215 | struct snd_card *card; |
216 | struct pci_dev *pci; |
217 | |
218 | unsigned long port; |
219 | int irq; |
220 | |
221 | unsigned char revision; /* chip revision */ |
222 | unsigned int serial; /* serial number */ |
223 | unsigned short model; /* subsystem id */ |
224 | |
225 | spinlock_t emu_lock; |
226 | spinlock_t voice_lock; |
227 | |
228 | struct snd_ac97 *ac97; |
229 | struct snd_pcm *pcm; |
230 | |
231 | struct emu10k1x_voice voices[3]; |
232 | struct emu10k1x_voice capture_voice; |
233 | u32 spdif_bits[3]; // SPDIF out setup |
234 | |
235 | struct snd_dma_buffer *dma_buffer; |
236 | |
237 | struct emu10k1x_midi midi; |
238 | }; |
239 | |
240 | /* hardware definition */ |
241 | static const struct snd_pcm_hardware snd_emu10k1x_playback_hw = { |
242 | .info = (SNDRV_PCM_INFO_MMAP | |
243 | SNDRV_PCM_INFO_INTERLEAVED | |
244 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
245 | SNDRV_PCM_INFO_MMAP_VALID), |
246 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
247 | .rates = SNDRV_PCM_RATE_48000, |
248 | .rate_min = 48000, |
249 | .rate_max = 48000, |
250 | .channels_min = 2, |
251 | .channels_max = 2, |
252 | .buffer_bytes_max = (32*1024), |
253 | .period_bytes_min = 64, |
254 | .period_bytes_max = (16*1024), |
255 | .periods_min = 2, |
256 | .periods_max = 8, |
257 | .fifo_size = 0, |
258 | }; |
259 | |
260 | static const struct snd_pcm_hardware snd_emu10k1x_capture_hw = { |
261 | .info = (SNDRV_PCM_INFO_MMAP | |
262 | SNDRV_PCM_INFO_INTERLEAVED | |
263 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
264 | SNDRV_PCM_INFO_MMAP_VALID), |
265 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
266 | .rates = SNDRV_PCM_RATE_48000, |
267 | .rate_min = 48000, |
268 | .rate_max = 48000, |
269 | .channels_min = 2, |
270 | .channels_max = 2, |
271 | .buffer_bytes_max = (32*1024), |
272 | .period_bytes_min = 64, |
273 | .period_bytes_max = (16*1024), |
274 | .periods_min = 2, |
275 | .periods_max = 2, |
276 | .fifo_size = 0, |
277 | }; |
278 | |
279 | static unsigned int snd_emu10k1x_ptr_read(struct emu10k1x * emu, |
280 | unsigned int reg, |
281 | unsigned int chn) |
282 | { |
283 | unsigned long flags; |
284 | unsigned int regptr, val; |
285 | |
286 | regptr = (reg << 16) | chn; |
287 | |
288 | spin_lock_irqsave(&emu->emu_lock, flags); |
289 | outl(value: regptr, port: emu->port + PTR); |
290 | val = inl(port: emu->port + DATA); |
291 | spin_unlock_irqrestore(lock: &emu->emu_lock, flags); |
292 | return val; |
293 | } |
294 | |
295 | static void snd_emu10k1x_ptr_write(struct emu10k1x *emu, |
296 | unsigned int reg, |
297 | unsigned int chn, |
298 | unsigned int data) |
299 | { |
300 | unsigned int regptr; |
301 | unsigned long flags; |
302 | |
303 | regptr = (reg << 16) | chn; |
304 | |
305 | spin_lock_irqsave(&emu->emu_lock, flags); |
306 | outl(value: regptr, port: emu->port + PTR); |
307 | outl(value: data, port: emu->port + DATA); |
308 | spin_unlock_irqrestore(lock: &emu->emu_lock, flags); |
309 | } |
310 | |
311 | static void snd_emu10k1x_intr_enable(struct emu10k1x *emu, unsigned int intrenb) |
312 | { |
313 | unsigned long flags; |
314 | unsigned int intr_enable; |
315 | |
316 | spin_lock_irqsave(&emu->emu_lock, flags); |
317 | intr_enable = inl(port: emu->port + INTE) | intrenb; |
318 | outl(value: intr_enable, port: emu->port + INTE); |
319 | spin_unlock_irqrestore(lock: &emu->emu_lock, flags); |
320 | } |
321 | |
322 | static void snd_emu10k1x_intr_disable(struct emu10k1x *emu, unsigned int intrenb) |
323 | { |
324 | unsigned long flags; |
325 | unsigned int intr_enable; |
326 | |
327 | spin_lock_irqsave(&emu->emu_lock, flags); |
328 | intr_enable = inl(port: emu->port + INTE) & ~intrenb; |
329 | outl(value: intr_enable, port: emu->port + INTE); |
330 | spin_unlock_irqrestore(lock: &emu->emu_lock, flags); |
331 | } |
332 | |
333 | static void snd_emu10k1x_gpio_write(struct emu10k1x *emu, unsigned int value) |
334 | { |
335 | unsigned long flags; |
336 | |
337 | spin_lock_irqsave(&emu->emu_lock, flags); |
338 | outl(value, port: emu->port + GPIO); |
339 | spin_unlock_irqrestore(lock: &emu->emu_lock, flags); |
340 | } |
341 | |
342 | static void snd_emu10k1x_pcm_free_substream(struct snd_pcm_runtime *runtime) |
343 | { |
344 | kfree(objp: runtime->private_data); |
345 | } |
346 | |
347 | static void snd_emu10k1x_pcm_interrupt(struct emu10k1x *emu, struct emu10k1x_voice *voice) |
348 | { |
349 | struct emu10k1x_pcm *epcm; |
350 | |
351 | epcm = voice->epcm; |
352 | if (!epcm) |
353 | return; |
354 | if (epcm->substream == NULL) |
355 | return; |
356 | #if 0 |
357 | dev_info(emu->card->dev, |
358 | "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n" , |
359 | epcm->substream->ops->pointer(epcm->substream), |
360 | snd_pcm_lib_period_bytes(epcm->substream), |
361 | snd_pcm_lib_buffer_bytes(epcm->substream)); |
362 | #endif |
363 | snd_pcm_period_elapsed(substream: epcm->substream); |
364 | } |
365 | |
366 | /* open callback */ |
367 | static int snd_emu10k1x_playback_open(struct snd_pcm_substream *substream) |
368 | { |
369 | struct emu10k1x *chip = snd_pcm_substream_chip(substream); |
370 | struct emu10k1x_pcm *epcm; |
371 | struct snd_pcm_runtime *runtime = substream->runtime; |
372 | int err; |
373 | |
374 | err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); |
375 | if (err < 0) |
376 | return err; |
377 | err = snd_pcm_hw_constraint_step(runtime, cond: 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, step: 64); |
378 | if (err < 0) |
379 | return err; |
380 | |
381 | epcm = kzalloc(size: sizeof(*epcm), GFP_KERNEL); |
382 | if (epcm == NULL) |
383 | return -ENOMEM; |
384 | epcm->emu = chip; |
385 | epcm->substream = substream; |
386 | |
387 | runtime->private_data = epcm; |
388 | runtime->private_free = snd_emu10k1x_pcm_free_substream; |
389 | |
390 | runtime->hw = snd_emu10k1x_playback_hw; |
391 | |
392 | return 0; |
393 | } |
394 | |
395 | /* close callback */ |
396 | static int snd_emu10k1x_playback_close(struct snd_pcm_substream *substream) |
397 | { |
398 | return 0; |
399 | } |
400 | |
401 | /* hw_params callback */ |
402 | static int snd_emu10k1x_pcm_hw_params(struct snd_pcm_substream *substream, |
403 | struct snd_pcm_hw_params *hw_params) |
404 | { |
405 | struct snd_pcm_runtime *runtime = substream->runtime; |
406 | struct emu10k1x_pcm *epcm = runtime->private_data; |
407 | |
408 | if (! epcm->voice) { |
409 | epcm->voice = &epcm->emu->voices[substream->pcm->device]; |
410 | epcm->voice->use = 1; |
411 | epcm->voice->epcm = epcm; |
412 | } |
413 | |
414 | return 0; |
415 | } |
416 | |
417 | /* hw_free callback */ |
418 | static int snd_emu10k1x_pcm_hw_free(struct snd_pcm_substream *substream) |
419 | { |
420 | struct snd_pcm_runtime *runtime = substream->runtime; |
421 | struct emu10k1x_pcm *epcm; |
422 | |
423 | if (runtime->private_data == NULL) |
424 | return 0; |
425 | |
426 | epcm = runtime->private_data; |
427 | |
428 | if (epcm->voice) { |
429 | epcm->voice->use = 0; |
430 | epcm->voice->epcm = NULL; |
431 | epcm->voice = NULL; |
432 | } |
433 | |
434 | return 0; |
435 | } |
436 | |
437 | /* prepare callback */ |
438 | static int snd_emu10k1x_pcm_prepare(struct snd_pcm_substream *substream) |
439 | { |
440 | struct emu10k1x *emu = snd_pcm_substream_chip(substream); |
441 | struct snd_pcm_runtime *runtime = substream->runtime; |
442 | struct emu10k1x_pcm *epcm = runtime->private_data; |
443 | int voice = epcm->voice->number; |
444 | u32 *table_base = (u32 *)(emu->dma_buffer->area+1024*voice); |
445 | u32 period_size_bytes = frames_to_bytes(runtime, size: runtime->period_size); |
446 | int i; |
447 | |
448 | for(i = 0; i < runtime->periods; i++) { |
449 | *table_base++=runtime->dma_addr+(i*period_size_bytes); |
450 | *table_base++=period_size_bytes<<16; |
451 | } |
452 | |
453 | snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_ADDR, chn: voice, data: emu->dma_buffer->addr+1024*voice); |
454 | snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_SIZE, chn: voice, data: (runtime->periods - 1) << 19); |
455 | snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_PTR, chn: voice, data: 0); |
456 | snd_emu10k1x_ptr_write(emu, PLAYBACK_POINTER, chn: voice, data: 0); |
457 | snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN1, chn: voice, data: 0); |
458 | snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN2, chn: voice, data: 0); |
459 | snd_emu10k1x_ptr_write(emu, PLAYBACK_DMA_ADDR, chn: voice, data: runtime->dma_addr); |
460 | |
461 | snd_emu10k1x_ptr_write(emu, PLAYBACK_PERIOD_SIZE, chn: voice, data: frames_to_bytes(runtime, size: runtime->period_size)<<16); |
462 | |
463 | return 0; |
464 | } |
465 | |
466 | /* trigger callback */ |
467 | static int snd_emu10k1x_pcm_trigger(struct snd_pcm_substream *substream, |
468 | int cmd) |
469 | { |
470 | struct emu10k1x *emu = snd_pcm_substream_chip(substream); |
471 | struct snd_pcm_runtime *runtime = substream->runtime; |
472 | struct emu10k1x_pcm *epcm = runtime->private_data; |
473 | int channel = epcm->voice->number; |
474 | int result = 0; |
475 | |
476 | /* |
477 | dev_dbg(emu->card->dev, |
478 | "trigger - emu10k1x = 0x%x, cmd = %i, pointer = %d\n", |
479 | (int)emu, cmd, (int)substream->ops->pointer(substream)); |
480 | */ |
481 | |
482 | switch (cmd) { |
483 | case SNDRV_PCM_TRIGGER_START: |
484 | if(runtime->periods == 2) |
485 | snd_emu10k1x_intr_enable(emu, intrenb: (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel); |
486 | else |
487 | snd_emu10k1x_intr_enable(emu, INTE_CH_0_LOOP << channel); |
488 | epcm->running = 1; |
489 | snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, chn: 0, data: snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, chn: 0)|(TRIGGER_CHANNEL_0<<channel)); |
490 | break; |
491 | case SNDRV_PCM_TRIGGER_STOP: |
492 | epcm->running = 0; |
493 | snd_emu10k1x_intr_disable(emu, intrenb: (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel); |
494 | snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, chn: 0, data: snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, chn: 0) & ~(TRIGGER_CHANNEL_0<<channel)); |
495 | break; |
496 | default: |
497 | result = -EINVAL; |
498 | break; |
499 | } |
500 | return result; |
501 | } |
502 | |
503 | /* pointer callback */ |
504 | static snd_pcm_uframes_t |
505 | snd_emu10k1x_pcm_pointer(struct snd_pcm_substream *substream) |
506 | { |
507 | struct emu10k1x *emu = snd_pcm_substream_chip(substream); |
508 | struct snd_pcm_runtime *runtime = substream->runtime; |
509 | struct emu10k1x_pcm *epcm = runtime->private_data; |
510 | int channel = epcm->voice->number; |
511 | snd_pcm_uframes_t ptr = 0, ptr1 = 0, ptr2= 0,ptr3 = 0,ptr4 = 0; |
512 | |
513 | if (!epcm->running) |
514 | return 0; |
515 | |
516 | ptr3 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, chn: channel); |
517 | ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, chn: channel); |
518 | ptr4 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, chn: channel); |
519 | |
520 | if(ptr4 == 0 && ptr1 == frames_to_bytes(runtime, size: runtime->buffer_size)) |
521 | return 0; |
522 | |
523 | if (ptr3 != ptr4) |
524 | ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, chn: channel); |
525 | ptr2 = bytes_to_frames(runtime, size: ptr1); |
526 | ptr2 += (ptr4 >> 3) * runtime->period_size; |
527 | ptr = ptr2; |
528 | |
529 | if (ptr >= runtime->buffer_size) |
530 | ptr -= runtime->buffer_size; |
531 | |
532 | return ptr; |
533 | } |
534 | |
535 | /* operators */ |
536 | static const struct snd_pcm_ops snd_emu10k1x_playback_ops = { |
537 | .open = snd_emu10k1x_playback_open, |
538 | .close = snd_emu10k1x_playback_close, |
539 | .hw_params = snd_emu10k1x_pcm_hw_params, |
540 | .hw_free = snd_emu10k1x_pcm_hw_free, |
541 | .prepare = snd_emu10k1x_pcm_prepare, |
542 | .trigger = snd_emu10k1x_pcm_trigger, |
543 | .pointer = snd_emu10k1x_pcm_pointer, |
544 | }; |
545 | |
546 | /* open_capture callback */ |
547 | static int snd_emu10k1x_pcm_open_capture(struct snd_pcm_substream *substream) |
548 | { |
549 | struct emu10k1x *chip = snd_pcm_substream_chip(substream); |
550 | struct emu10k1x_pcm *epcm; |
551 | struct snd_pcm_runtime *runtime = substream->runtime; |
552 | int err; |
553 | |
554 | err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); |
555 | if (err < 0) |
556 | return err; |
557 | err = snd_pcm_hw_constraint_step(runtime, cond: 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, step: 64); |
558 | if (err < 0) |
559 | return err; |
560 | |
561 | epcm = kzalloc(size: sizeof(*epcm), GFP_KERNEL); |
562 | if (epcm == NULL) |
563 | return -ENOMEM; |
564 | |
565 | epcm->emu = chip; |
566 | epcm->substream = substream; |
567 | |
568 | runtime->private_data = epcm; |
569 | runtime->private_free = snd_emu10k1x_pcm_free_substream; |
570 | |
571 | runtime->hw = snd_emu10k1x_capture_hw; |
572 | |
573 | return 0; |
574 | } |
575 | |
576 | /* close callback */ |
577 | static int snd_emu10k1x_pcm_close_capture(struct snd_pcm_substream *substream) |
578 | { |
579 | return 0; |
580 | } |
581 | |
582 | /* hw_params callback */ |
583 | static int snd_emu10k1x_pcm_hw_params_capture(struct snd_pcm_substream *substream, |
584 | struct snd_pcm_hw_params *hw_params) |
585 | { |
586 | struct snd_pcm_runtime *runtime = substream->runtime; |
587 | struct emu10k1x_pcm *epcm = runtime->private_data; |
588 | |
589 | if (! epcm->voice) { |
590 | if (epcm->emu->capture_voice.use) |
591 | return -EBUSY; |
592 | epcm->voice = &epcm->emu->capture_voice; |
593 | epcm->voice->epcm = epcm; |
594 | epcm->voice->use = 1; |
595 | } |
596 | |
597 | return 0; |
598 | } |
599 | |
600 | /* hw_free callback */ |
601 | static int snd_emu10k1x_pcm_hw_free_capture(struct snd_pcm_substream *substream) |
602 | { |
603 | struct snd_pcm_runtime *runtime = substream->runtime; |
604 | |
605 | struct emu10k1x_pcm *epcm; |
606 | |
607 | if (runtime->private_data == NULL) |
608 | return 0; |
609 | epcm = runtime->private_data; |
610 | |
611 | if (epcm->voice) { |
612 | epcm->voice->use = 0; |
613 | epcm->voice->epcm = NULL; |
614 | epcm->voice = NULL; |
615 | } |
616 | |
617 | return 0; |
618 | } |
619 | |
620 | /* prepare capture callback */ |
621 | static int snd_emu10k1x_pcm_prepare_capture(struct snd_pcm_substream *substream) |
622 | { |
623 | struct emu10k1x *emu = snd_pcm_substream_chip(substream); |
624 | struct snd_pcm_runtime *runtime = substream->runtime; |
625 | |
626 | snd_emu10k1x_ptr_write(emu, CAPTURE_DMA_ADDR, chn: 0, data: runtime->dma_addr); |
627 | snd_emu10k1x_ptr_write(emu, CAPTURE_BUFFER_SIZE, chn: 0, data: frames_to_bytes(runtime, size: runtime->buffer_size)<<16); // buffer size in bytes |
628 | snd_emu10k1x_ptr_write(emu, CAPTURE_POINTER, chn: 0, data: 0); |
629 | snd_emu10k1x_ptr_write(emu, CAPTURE_UNKNOWN, chn: 0, data: 0); |
630 | |
631 | return 0; |
632 | } |
633 | |
634 | /* trigger_capture callback */ |
635 | static int snd_emu10k1x_pcm_trigger_capture(struct snd_pcm_substream *substream, |
636 | int cmd) |
637 | { |
638 | struct emu10k1x *emu = snd_pcm_substream_chip(substream); |
639 | struct snd_pcm_runtime *runtime = substream->runtime; |
640 | struct emu10k1x_pcm *epcm = runtime->private_data; |
641 | int result = 0; |
642 | |
643 | switch (cmd) { |
644 | case SNDRV_PCM_TRIGGER_START: |
645 | snd_emu10k1x_intr_enable(emu, INTE_CAP_0_LOOP | |
646 | INTE_CAP_0_HALF_LOOP); |
647 | snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, chn: 0, data: snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, chn: 0)|TRIGGER_CAPTURE); |
648 | epcm->running = 1; |
649 | break; |
650 | case SNDRV_PCM_TRIGGER_STOP: |
651 | epcm->running = 0; |
652 | snd_emu10k1x_intr_disable(emu, INTE_CAP_0_LOOP | |
653 | INTE_CAP_0_HALF_LOOP); |
654 | snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, chn: 0, data: snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, chn: 0) & ~(TRIGGER_CAPTURE)); |
655 | break; |
656 | default: |
657 | result = -EINVAL; |
658 | break; |
659 | } |
660 | return result; |
661 | } |
662 | |
663 | /* pointer_capture callback */ |
664 | static snd_pcm_uframes_t |
665 | snd_emu10k1x_pcm_pointer_capture(struct snd_pcm_substream *substream) |
666 | { |
667 | struct emu10k1x *emu = snd_pcm_substream_chip(substream); |
668 | struct snd_pcm_runtime *runtime = substream->runtime; |
669 | struct emu10k1x_pcm *epcm = runtime->private_data; |
670 | snd_pcm_uframes_t ptr; |
671 | |
672 | if (!epcm->running) |
673 | return 0; |
674 | |
675 | ptr = bytes_to_frames(runtime, size: snd_emu10k1x_ptr_read(emu, CAPTURE_POINTER, chn: 0)); |
676 | if (ptr >= runtime->buffer_size) |
677 | ptr -= runtime->buffer_size; |
678 | |
679 | return ptr; |
680 | } |
681 | |
682 | static const struct snd_pcm_ops snd_emu10k1x_capture_ops = { |
683 | .open = snd_emu10k1x_pcm_open_capture, |
684 | .close = snd_emu10k1x_pcm_close_capture, |
685 | .hw_params = snd_emu10k1x_pcm_hw_params_capture, |
686 | .hw_free = snd_emu10k1x_pcm_hw_free_capture, |
687 | .prepare = snd_emu10k1x_pcm_prepare_capture, |
688 | .trigger = snd_emu10k1x_pcm_trigger_capture, |
689 | .pointer = snd_emu10k1x_pcm_pointer_capture, |
690 | }; |
691 | |
692 | static unsigned short snd_emu10k1x_ac97_read(struct snd_ac97 *ac97, |
693 | unsigned short reg) |
694 | { |
695 | struct emu10k1x *emu = ac97->private_data; |
696 | unsigned long flags; |
697 | unsigned short val; |
698 | |
699 | spin_lock_irqsave(&emu->emu_lock, flags); |
700 | outb(value: reg, port: emu->port + AC97ADDRESS); |
701 | val = inw(port: emu->port + AC97DATA); |
702 | spin_unlock_irqrestore(lock: &emu->emu_lock, flags); |
703 | return val; |
704 | } |
705 | |
706 | static void snd_emu10k1x_ac97_write(struct snd_ac97 *ac97, |
707 | unsigned short reg, unsigned short val) |
708 | { |
709 | struct emu10k1x *emu = ac97->private_data; |
710 | unsigned long flags; |
711 | |
712 | spin_lock_irqsave(&emu->emu_lock, flags); |
713 | outb(value: reg, port: emu->port + AC97ADDRESS); |
714 | outw(value: val, port: emu->port + AC97DATA); |
715 | spin_unlock_irqrestore(lock: &emu->emu_lock, flags); |
716 | } |
717 | |
718 | static int snd_emu10k1x_ac97(struct emu10k1x *chip) |
719 | { |
720 | struct snd_ac97_bus *pbus; |
721 | struct snd_ac97_template ac97; |
722 | int err; |
723 | static const struct snd_ac97_bus_ops ops = { |
724 | .write = snd_emu10k1x_ac97_write, |
725 | .read = snd_emu10k1x_ac97_read, |
726 | }; |
727 | |
728 | err = snd_ac97_bus(card: chip->card, num: 0, ops: &ops, NULL, rbus: &pbus); |
729 | if (err < 0) |
730 | return err; |
731 | pbus->no_vra = 1; /* we don't need VRA */ |
732 | |
733 | memset(&ac97, 0, sizeof(ac97)); |
734 | ac97.private_data = chip; |
735 | ac97.scaps = AC97_SCAP_NO_SPDIF; |
736 | return snd_ac97_mixer(bus: pbus, template: &ac97, rac97: &chip->ac97); |
737 | } |
738 | |
739 | static void snd_emu10k1x_free(struct snd_card *card) |
740 | { |
741 | struct emu10k1x *chip = card->private_data; |
742 | |
743 | snd_emu10k1x_ptr_write(emu: chip, TRIGGER_CHANNEL, chn: 0, data: 0); |
744 | // disable interrupts |
745 | outl(value: 0, port: chip->port + INTE); |
746 | // disable audio |
747 | outl(HCFG_LOCKSOUNDCACHE, port: chip->port + HCFG); |
748 | } |
749 | |
750 | static irqreturn_t snd_emu10k1x_interrupt(int irq, void *dev_id) |
751 | { |
752 | unsigned int status; |
753 | |
754 | struct emu10k1x *chip = dev_id; |
755 | struct emu10k1x_voice *pvoice = chip->voices; |
756 | int i; |
757 | int mask; |
758 | |
759 | status = inl(port: chip->port + IPR); |
760 | |
761 | if (! status) |
762 | return IRQ_NONE; |
763 | |
764 | // capture interrupt |
765 | if (status & (IPR_CAP_0_LOOP | IPR_CAP_0_HALF_LOOP)) { |
766 | struct emu10k1x_voice *cap_voice = &chip->capture_voice; |
767 | if (cap_voice->use) |
768 | snd_emu10k1x_pcm_interrupt(emu: chip, voice: cap_voice); |
769 | else |
770 | snd_emu10k1x_intr_disable(emu: chip, |
771 | INTE_CAP_0_LOOP | |
772 | INTE_CAP_0_HALF_LOOP); |
773 | } |
774 | |
775 | mask = IPR_CH_0_LOOP|IPR_CH_0_HALF_LOOP; |
776 | for (i = 0; i < 3; i++) { |
777 | if (status & mask) { |
778 | if (pvoice->use) |
779 | snd_emu10k1x_pcm_interrupt(emu: chip, voice: pvoice); |
780 | else |
781 | snd_emu10k1x_intr_disable(emu: chip, intrenb: mask); |
782 | } |
783 | pvoice++; |
784 | mask <<= 1; |
785 | } |
786 | |
787 | if (status & (IPR_MIDITRANSBUFEMPTY|IPR_MIDIRECVBUFEMPTY)) { |
788 | if (chip->midi.interrupt) |
789 | chip->midi.interrupt(chip, status); |
790 | else |
791 | snd_emu10k1x_intr_disable(emu: chip, INTE_MIDITXENABLE|INTE_MIDIRXENABLE); |
792 | } |
793 | |
794 | // acknowledge the interrupt if necessary |
795 | outl(value: status, port: chip->port + IPR); |
796 | |
797 | /* dev_dbg(chip->card->dev, "interrupt %08x\n", status); */ |
798 | return IRQ_HANDLED; |
799 | } |
800 | |
801 | static const struct snd_pcm_chmap_elem surround_map[] = { |
802 | { .channels = 2, |
803 | .map = { SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } }, |
804 | { } |
805 | }; |
806 | |
807 | static const struct snd_pcm_chmap_elem clfe_map[] = { |
808 | { .channels = 2, |
809 | .map = { SNDRV_CHMAP_FC, SNDRV_CHMAP_LFE } }, |
810 | { } |
811 | }; |
812 | |
813 | static int snd_emu10k1x_pcm(struct emu10k1x *emu, int device) |
814 | { |
815 | struct snd_pcm *pcm; |
816 | const struct snd_pcm_chmap_elem *map = NULL; |
817 | int err; |
818 | int capture = 0; |
819 | |
820 | if (device == 0) |
821 | capture = 1; |
822 | |
823 | err = snd_pcm_new(card: emu->card, id: "emu10k1x" , device, playback_count: 1, capture_count: capture, rpcm: &pcm); |
824 | if (err < 0) |
825 | return err; |
826 | |
827 | pcm->private_data = emu; |
828 | |
829 | switch(device) { |
830 | case 0: |
831 | snd_pcm_set_ops(pcm, direction: SNDRV_PCM_STREAM_PLAYBACK, ops: &snd_emu10k1x_playback_ops); |
832 | snd_pcm_set_ops(pcm, direction: SNDRV_PCM_STREAM_CAPTURE, ops: &snd_emu10k1x_capture_ops); |
833 | break; |
834 | case 1: |
835 | case 2: |
836 | snd_pcm_set_ops(pcm, direction: SNDRV_PCM_STREAM_PLAYBACK, ops: &snd_emu10k1x_playback_ops); |
837 | break; |
838 | } |
839 | |
840 | pcm->info_flags = 0; |
841 | switch(device) { |
842 | case 0: |
843 | strcpy(p: pcm->name, q: "EMU10K1X Front" ); |
844 | map = snd_pcm_std_chmaps; |
845 | break; |
846 | case 1: |
847 | strcpy(p: pcm->name, q: "EMU10K1X Rear" ); |
848 | map = surround_map; |
849 | break; |
850 | case 2: |
851 | strcpy(p: pcm->name, q: "EMU10K1X Center/LFE" ); |
852 | map = clfe_map; |
853 | break; |
854 | } |
855 | emu->pcm = pcm; |
856 | |
857 | snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, |
858 | data: &emu->pci->dev, size: 32*1024, max: 32*1024); |
859 | |
860 | return snd_pcm_add_chmap_ctls(pcm, stream: SNDRV_PCM_STREAM_PLAYBACK, chmap: map, max_channels: 2, |
861 | private_value: 1 << 2, NULL); |
862 | } |
863 | |
864 | static int snd_emu10k1x_create(struct snd_card *card, |
865 | struct pci_dev *pci) |
866 | { |
867 | struct emu10k1x *chip = card->private_data; |
868 | int err; |
869 | int ch; |
870 | |
871 | err = pcim_enable_device(pdev: pci); |
872 | if (err < 0) |
873 | return err; |
874 | |
875 | if (dma_set_mask_and_coherent(dev: &pci->dev, DMA_BIT_MASK(28)) < 0) { |
876 | dev_err(card->dev, "error to set 28bit mask DMA\n" ); |
877 | return -ENXIO; |
878 | } |
879 | |
880 | chip->card = card; |
881 | chip->pci = pci; |
882 | chip->irq = -1; |
883 | |
884 | spin_lock_init(&chip->emu_lock); |
885 | spin_lock_init(&chip->voice_lock); |
886 | |
887 | err = pci_request_regions(pci, "EMU10K1X" ); |
888 | if (err < 0) |
889 | return err; |
890 | chip->port = pci_resource_start(pci, 0); |
891 | |
892 | if (devm_request_irq(dev: &pci->dev, irq: pci->irq, handler: snd_emu10k1x_interrupt, |
893 | IRQF_SHARED, KBUILD_MODNAME, dev_id: chip)) { |
894 | dev_err(card->dev, "cannot grab irq %d\n" , pci->irq); |
895 | return -EBUSY; |
896 | } |
897 | chip->irq = pci->irq; |
898 | card->sync_irq = chip->irq; |
899 | card->private_free = snd_emu10k1x_free; |
900 | |
901 | chip->dma_buffer = snd_devm_alloc_pages(dev: &pci->dev, SNDRV_DMA_TYPE_DEV, |
902 | size: 4 * 1024); |
903 | if (!chip->dma_buffer) |
904 | return -ENOMEM; |
905 | |
906 | pci_set_master(dev: pci); |
907 | /* read revision & serial */ |
908 | chip->revision = pci->revision; |
909 | pci_read_config_dword(dev: pci, PCI_SUBSYSTEM_VENDOR_ID, val: &chip->serial); |
910 | pci_read_config_word(dev: pci, PCI_SUBSYSTEM_ID, val: &chip->model); |
911 | dev_info(card->dev, "Model %04x Rev %08x Serial %08x\n" , chip->model, |
912 | chip->revision, chip->serial); |
913 | |
914 | outl(value: 0, port: chip->port + INTE); |
915 | |
916 | for(ch = 0; ch < 3; ch++) { |
917 | chip->voices[ch].emu = chip; |
918 | chip->voices[ch].number = ch; |
919 | } |
920 | |
921 | /* |
922 | * Init to 0x02109204 : |
923 | * Clock accuracy = 0 (1000ppm) |
924 | * Sample Rate = 2 (48kHz) |
925 | * Audio Channel = 1 (Left of 2) |
926 | * Source Number = 0 (Unspecified) |
927 | * Generation Status = 1 (Original for Cat Code 12) |
928 | * Cat Code = 12 (Digital Signal Mixer) |
929 | * Mode = 0 (Mode 0) |
930 | * Emphasis = 0 (None) |
931 | * CP = 1 (Copyright unasserted) |
932 | * AN = 0 (Audio data) |
933 | * P = 0 (Consumer) |
934 | */ |
935 | snd_emu10k1x_ptr_write(emu: chip, SPCS0, chn: 0, |
936 | data: chip->spdif_bits[0] = |
937 | SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | |
938 | SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | |
939 | SPCS_GENERATIONSTATUS | 0x00001200 | |
940 | 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); |
941 | snd_emu10k1x_ptr_write(emu: chip, SPCS1, chn: 0, |
942 | data: chip->spdif_bits[1] = |
943 | SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | |
944 | SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | |
945 | SPCS_GENERATIONSTATUS | 0x00001200 | |
946 | 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); |
947 | snd_emu10k1x_ptr_write(emu: chip, SPCS2, chn: 0, |
948 | data: chip->spdif_bits[2] = |
949 | SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | |
950 | SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | |
951 | SPCS_GENERATIONSTATUS | 0x00001200 | |
952 | 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); |
953 | |
954 | snd_emu10k1x_ptr_write(emu: chip, SPDIF_SELECT, chn: 0, data: 0x700); // disable SPDIF |
955 | snd_emu10k1x_ptr_write(emu: chip, ROUTING, chn: 0, data: 0x1003F); // routing |
956 | snd_emu10k1x_gpio_write(emu: chip, value: 0x1080); // analog mode |
957 | |
958 | outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, port: chip->port+HCFG); |
959 | |
960 | return 0; |
961 | } |
962 | |
963 | static void snd_emu10k1x_proc_reg_read(struct snd_info_entry *entry, |
964 | struct snd_info_buffer *buffer) |
965 | { |
966 | struct emu10k1x *emu = entry->private_data; |
967 | unsigned long value,value1,value2; |
968 | unsigned long flags; |
969 | int i; |
970 | |
971 | snd_iprintf(buffer, "Registers:\n\n" ); |
972 | for(i = 0; i < 0x20; i+=4) { |
973 | spin_lock_irqsave(&emu->emu_lock, flags); |
974 | value = inl(port: emu->port + i); |
975 | spin_unlock_irqrestore(lock: &emu->emu_lock, flags); |
976 | snd_iprintf(buffer, "Register %02X: %08lX\n" , i, value); |
977 | } |
978 | snd_iprintf(buffer, "\nRegisters\n\n" ); |
979 | for(i = 0; i <= 0x48; i++) { |
980 | value = snd_emu10k1x_ptr_read(emu, reg: i, chn: 0); |
981 | if(i < 0x10 || (i >= 0x20 && i < 0x40)) { |
982 | value1 = snd_emu10k1x_ptr_read(emu, reg: i, chn: 1); |
983 | value2 = snd_emu10k1x_ptr_read(emu, reg: i, chn: 2); |
984 | snd_iprintf(buffer, "%02X: %08lX %08lX %08lX\n" , i, value, value1, value2); |
985 | } else { |
986 | snd_iprintf(buffer, "%02X: %08lX\n" , i, value); |
987 | } |
988 | } |
989 | } |
990 | |
991 | static void snd_emu10k1x_proc_reg_write(struct snd_info_entry *entry, |
992 | struct snd_info_buffer *buffer) |
993 | { |
994 | struct emu10k1x *emu = entry->private_data; |
995 | char line[64]; |
996 | unsigned int reg, channel_id , val; |
997 | |
998 | while (!snd_info_get_line(buffer, line, len: sizeof(line))) { |
999 | if (sscanf(line, "%x %x %x" , ®, &channel_id, &val) != 3) |
1000 | continue; |
1001 | |
1002 | if (reg < 0x49 && channel_id <= 2) |
1003 | snd_emu10k1x_ptr_write(emu, reg, chn: channel_id, data: val); |
1004 | } |
1005 | } |
1006 | |
1007 | static int snd_emu10k1x_proc_init(struct emu10k1x *emu) |
1008 | { |
1009 | snd_card_rw_proc_new(card: emu->card, name: "emu10k1x_regs" , private_data: emu, |
1010 | read: snd_emu10k1x_proc_reg_read, |
1011 | write: snd_emu10k1x_proc_reg_write); |
1012 | return 0; |
1013 | } |
1014 | |
1015 | #define snd_emu10k1x_shared_spdif_info snd_ctl_boolean_mono_info |
1016 | |
1017 | static int snd_emu10k1x_shared_spdif_get(struct snd_kcontrol *kcontrol, |
1018 | struct snd_ctl_elem_value *ucontrol) |
1019 | { |
1020 | struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); |
1021 | |
1022 | ucontrol->value.integer.value[0] = (snd_emu10k1x_ptr_read(emu, SPDIF_SELECT, chn: 0) == 0x700) ? 0 : 1; |
1023 | |
1024 | return 0; |
1025 | } |
1026 | |
1027 | static int snd_emu10k1x_shared_spdif_put(struct snd_kcontrol *kcontrol, |
1028 | struct snd_ctl_elem_value *ucontrol) |
1029 | { |
1030 | struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); |
1031 | unsigned int val; |
1032 | |
1033 | val = ucontrol->value.integer.value[0] ; |
1034 | |
1035 | if (val) { |
1036 | // enable spdif output |
1037 | snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, chn: 0, data: 0x000); |
1038 | snd_emu10k1x_ptr_write(emu, ROUTING, chn: 0, data: 0x700); |
1039 | snd_emu10k1x_gpio_write(emu, value: 0x1000); |
1040 | } else { |
1041 | // disable spdif output |
1042 | snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, chn: 0, data: 0x700); |
1043 | snd_emu10k1x_ptr_write(emu, ROUTING, chn: 0, data: 0x1003F); |
1044 | snd_emu10k1x_gpio_write(emu, value: 0x1080); |
1045 | } |
1046 | return 0; |
1047 | } |
1048 | |
1049 | static const struct snd_kcontrol_new snd_emu10k1x_shared_spdif = |
1050 | { |
1051 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1052 | .name = "Analog/Digital Output Jack" , |
1053 | .info = snd_emu10k1x_shared_spdif_info, |
1054 | .get = snd_emu10k1x_shared_spdif_get, |
1055 | .put = snd_emu10k1x_shared_spdif_put |
1056 | }; |
1057 | |
1058 | static int snd_emu10k1x_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1059 | { |
1060 | uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; |
1061 | uinfo->count = 1; |
1062 | return 0; |
1063 | } |
1064 | |
1065 | static int snd_emu10k1x_spdif_get(struct snd_kcontrol *kcontrol, |
1066 | struct snd_ctl_elem_value *ucontrol) |
1067 | { |
1068 | struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); |
1069 | unsigned int idx = snd_ctl_get_ioffidx(kctl: kcontrol, id: &ucontrol->id); |
1070 | |
1071 | ucontrol->value.iec958.status[0] = (emu->spdif_bits[idx] >> 0) & 0xff; |
1072 | ucontrol->value.iec958.status[1] = (emu->spdif_bits[idx] >> 8) & 0xff; |
1073 | ucontrol->value.iec958.status[2] = (emu->spdif_bits[idx] >> 16) & 0xff; |
1074 | ucontrol->value.iec958.status[3] = (emu->spdif_bits[idx] >> 24) & 0xff; |
1075 | return 0; |
1076 | } |
1077 | |
1078 | static int snd_emu10k1x_spdif_get_mask(struct snd_kcontrol *kcontrol, |
1079 | struct snd_ctl_elem_value *ucontrol) |
1080 | { |
1081 | ucontrol->value.iec958.status[0] = 0xff; |
1082 | ucontrol->value.iec958.status[1] = 0xff; |
1083 | ucontrol->value.iec958.status[2] = 0xff; |
1084 | ucontrol->value.iec958.status[3] = 0xff; |
1085 | return 0; |
1086 | } |
1087 | |
1088 | static int snd_emu10k1x_spdif_put(struct snd_kcontrol *kcontrol, |
1089 | struct snd_ctl_elem_value *ucontrol) |
1090 | { |
1091 | struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); |
1092 | unsigned int idx = snd_ctl_get_ioffidx(kctl: kcontrol, id: &ucontrol->id); |
1093 | int change; |
1094 | unsigned int val; |
1095 | |
1096 | val = (ucontrol->value.iec958.status[0] << 0) | |
1097 | (ucontrol->value.iec958.status[1] << 8) | |
1098 | (ucontrol->value.iec958.status[2] << 16) | |
1099 | (ucontrol->value.iec958.status[3] << 24); |
1100 | change = val != emu->spdif_bits[idx]; |
1101 | if (change) { |
1102 | snd_emu10k1x_ptr_write(emu, SPCS0 + idx, chn: 0, data: val); |
1103 | emu->spdif_bits[idx] = val; |
1104 | } |
1105 | return change; |
1106 | } |
1107 | |
1108 | static const struct snd_kcontrol_new snd_emu10k1x_spdif_mask_control = |
1109 | { |
1110 | .access = SNDRV_CTL_ELEM_ACCESS_READ, |
1111 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, |
1112 | .name = SNDRV_CTL_NAME_IEC958("" ,PLAYBACK,MASK), |
1113 | .count = 3, |
1114 | .info = snd_emu10k1x_spdif_info, |
1115 | .get = snd_emu10k1x_spdif_get_mask |
1116 | }; |
1117 | |
1118 | static const struct snd_kcontrol_new snd_emu10k1x_spdif_control = |
1119 | { |
1120 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, |
1121 | .name = SNDRV_CTL_NAME_IEC958("" ,PLAYBACK,DEFAULT), |
1122 | .count = 3, |
1123 | .info = snd_emu10k1x_spdif_info, |
1124 | .get = snd_emu10k1x_spdif_get, |
1125 | .put = snd_emu10k1x_spdif_put |
1126 | }; |
1127 | |
1128 | static int snd_emu10k1x_mixer(struct emu10k1x *emu) |
1129 | { |
1130 | int err; |
1131 | struct snd_kcontrol *kctl; |
1132 | struct snd_card *card = emu->card; |
1133 | |
1134 | kctl = snd_ctl_new1(kcontrolnew: &snd_emu10k1x_spdif_mask_control, private_data: emu); |
1135 | if (!kctl) |
1136 | return -ENOMEM; |
1137 | err = snd_ctl_add(card, kcontrol: kctl); |
1138 | if (err) |
1139 | return err; |
1140 | kctl = snd_ctl_new1(kcontrolnew: &snd_emu10k1x_shared_spdif, private_data: emu); |
1141 | if (!kctl) |
1142 | return -ENOMEM; |
1143 | err = snd_ctl_add(card, kcontrol: kctl); |
1144 | if (err) |
1145 | return err; |
1146 | kctl = snd_ctl_new1(kcontrolnew: &snd_emu10k1x_spdif_control, private_data: emu); |
1147 | if (!kctl) |
1148 | return -ENOMEM; |
1149 | err = snd_ctl_add(card, kcontrol: kctl); |
1150 | if (err) |
1151 | return err; |
1152 | |
1153 | return 0; |
1154 | } |
1155 | |
1156 | #define EMU10K1X_MIDI_MODE_INPUT (1<<0) |
1157 | #define EMU10K1X_MIDI_MODE_OUTPUT (1<<1) |
1158 | |
1159 | static inline unsigned char mpu401_read(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int idx) |
1160 | { |
1161 | return (unsigned char)snd_emu10k1x_ptr_read(emu, reg: mpu->port + idx, chn: 0); |
1162 | } |
1163 | |
1164 | static inline void mpu401_write(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int data, int idx) |
1165 | { |
1166 | snd_emu10k1x_ptr_write(emu, reg: mpu->port + idx, chn: 0, data); |
1167 | } |
1168 | |
1169 | #define mpu401_write_data(emu, mpu, data) mpu401_write(emu, mpu, data, 0) |
1170 | #define mpu401_write_cmd(emu, mpu, data) mpu401_write(emu, mpu, data, 1) |
1171 | #define mpu401_read_data(emu, mpu) mpu401_read(emu, mpu, 0) |
1172 | #define mpu401_read_stat(emu, mpu) mpu401_read(emu, mpu, 1) |
1173 | |
1174 | #define mpu401_input_avail(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x80)) |
1175 | #define mpu401_output_ready(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x40)) |
1176 | |
1177 | #define MPU401_RESET 0xff |
1178 | #define MPU401_ENTER_UART 0x3f |
1179 | #define MPU401_ACK 0xfe |
1180 | |
1181 | static void mpu401_clear_rx(struct emu10k1x *emu, struct emu10k1x_midi *mpu) |
1182 | { |
1183 | int timeout = 100000; |
1184 | for (; timeout > 0 && mpu401_input_avail(emu, mpu); timeout--) |
1185 | mpu401_read_data(emu, mpu); |
1186 | #ifdef CONFIG_SND_DEBUG |
1187 | if (timeout <= 0) |
1188 | dev_err(emu->card->dev, |
1189 | "cmd: clear rx timeout (status = 0x%x)\n" , |
1190 | mpu401_read_stat(emu, mpu)); |
1191 | #endif |
1192 | } |
1193 | |
1194 | /* |
1195 | |
1196 | */ |
1197 | |
1198 | static void do_emu10k1x_midi_interrupt(struct emu10k1x *emu, |
1199 | struct emu10k1x_midi *midi, unsigned int status) |
1200 | { |
1201 | unsigned char byte; |
1202 | |
1203 | if (midi->rmidi == NULL) { |
1204 | snd_emu10k1x_intr_disable(emu, intrenb: midi->tx_enable | midi->rx_enable); |
1205 | return; |
1206 | } |
1207 | |
1208 | spin_lock(lock: &midi->input_lock); |
1209 | if ((status & midi->ipr_rx) && mpu401_input_avail(emu, midi)) { |
1210 | if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { |
1211 | mpu401_clear_rx(emu, mpu: midi); |
1212 | } else { |
1213 | byte = mpu401_read_data(emu, midi); |
1214 | if (midi->substream_input) |
1215 | snd_rawmidi_receive(substream: midi->substream_input, buffer: &byte, count: 1); |
1216 | } |
1217 | } |
1218 | spin_unlock(lock: &midi->input_lock); |
1219 | |
1220 | spin_lock(lock: &midi->output_lock); |
1221 | if ((status & midi->ipr_tx) && mpu401_output_ready(emu, midi)) { |
1222 | if (midi->substream_output && |
1223 | snd_rawmidi_transmit(substream: midi->substream_output, buffer: &byte, count: 1) == 1) { |
1224 | mpu401_write_data(emu, midi, byte); |
1225 | } else { |
1226 | snd_emu10k1x_intr_disable(emu, intrenb: midi->tx_enable); |
1227 | } |
1228 | } |
1229 | spin_unlock(lock: &midi->output_lock); |
1230 | } |
1231 | |
1232 | static void snd_emu10k1x_midi_interrupt(struct emu10k1x *emu, unsigned int status) |
1233 | { |
1234 | do_emu10k1x_midi_interrupt(emu, midi: &emu->midi, status); |
1235 | } |
1236 | |
1237 | static int snd_emu10k1x_midi_cmd(struct emu10k1x * emu, |
1238 | struct emu10k1x_midi *midi, unsigned char cmd, int ack) |
1239 | { |
1240 | unsigned long flags; |
1241 | int timeout, ok; |
1242 | |
1243 | spin_lock_irqsave(&midi->input_lock, flags); |
1244 | mpu401_write_data(emu, midi, 0x00); |
1245 | /* mpu401_clear_rx(emu, midi); */ |
1246 | |
1247 | mpu401_write_cmd(emu, midi, cmd); |
1248 | if (ack) { |
1249 | ok = 0; |
1250 | timeout = 10000; |
1251 | while (!ok && timeout-- > 0) { |
1252 | if (mpu401_input_avail(emu, midi)) { |
1253 | if (mpu401_read_data(emu, midi) == MPU401_ACK) |
1254 | ok = 1; |
1255 | } |
1256 | } |
1257 | if (!ok && mpu401_read_data(emu, midi) == MPU401_ACK) |
1258 | ok = 1; |
1259 | } else { |
1260 | ok = 1; |
1261 | } |
1262 | spin_unlock_irqrestore(lock: &midi->input_lock, flags); |
1263 | if (!ok) { |
1264 | dev_err(emu->card->dev, |
1265 | "midi_cmd: 0x%x failed at 0x%lx (status = 0x%x, data = 0x%x)!!!\n" , |
1266 | cmd, emu->port, |
1267 | mpu401_read_stat(emu, midi), |
1268 | mpu401_read_data(emu, midi)); |
1269 | return 1; |
1270 | } |
1271 | return 0; |
1272 | } |
1273 | |
1274 | static int snd_emu10k1x_midi_input_open(struct snd_rawmidi_substream *substream) |
1275 | { |
1276 | struct emu10k1x *emu; |
1277 | struct emu10k1x_midi *midi = substream->rmidi->private_data; |
1278 | unsigned long flags; |
1279 | |
1280 | emu = midi->emu; |
1281 | if (snd_BUG_ON(!emu)) |
1282 | return -ENXIO; |
1283 | spin_lock_irqsave(&midi->open_lock, flags); |
1284 | midi->midi_mode |= EMU10K1X_MIDI_MODE_INPUT; |
1285 | midi->substream_input = substream; |
1286 | if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) { |
1287 | spin_unlock_irqrestore(lock: &midi->open_lock, flags); |
1288 | if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, ack: 1)) |
1289 | goto error_out; |
1290 | if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, ack: 1)) |
1291 | goto error_out; |
1292 | } else { |
1293 | spin_unlock_irqrestore(lock: &midi->open_lock, flags); |
1294 | } |
1295 | return 0; |
1296 | |
1297 | error_out: |
1298 | return -EIO; |
1299 | } |
1300 | |
1301 | static int snd_emu10k1x_midi_output_open(struct snd_rawmidi_substream *substream) |
1302 | { |
1303 | struct emu10k1x *emu; |
1304 | struct emu10k1x_midi *midi = substream->rmidi->private_data; |
1305 | unsigned long flags; |
1306 | |
1307 | emu = midi->emu; |
1308 | if (snd_BUG_ON(!emu)) |
1309 | return -ENXIO; |
1310 | spin_lock_irqsave(&midi->open_lock, flags); |
1311 | midi->midi_mode |= EMU10K1X_MIDI_MODE_OUTPUT; |
1312 | midi->substream_output = substream; |
1313 | if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { |
1314 | spin_unlock_irqrestore(lock: &midi->open_lock, flags); |
1315 | if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, ack: 1)) |
1316 | goto error_out; |
1317 | if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, ack: 1)) |
1318 | goto error_out; |
1319 | } else { |
1320 | spin_unlock_irqrestore(lock: &midi->open_lock, flags); |
1321 | } |
1322 | return 0; |
1323 | |
1324 | error_out: |
1325 | return -EIO; |
1326 | } |
1327 | |
1328 | static int snd_emu10k1x_midi_input_close(struct snd_rawmidi_substream *substream) |
1329 | { |
1330 | struct emu10k1x *emu; |
1331 | struct emu10k1x_midi *midi = substream->rmidi->private_data; |
1332 | unsigned long flags; |
1333 | int err = 0; |
1334 | |
1335 | emu = midi->emu; |
1336 | if (snd_BUG_ON(!emu)) |
1337 | return -ENXIO; |
1338 | spin_lock_irqsave(&midi->open_lock, flags); |
1339 | snd_emu10k1x_intr_disable(emu, intrenb: midi->rx_enable); |
1340 | midi->midi_mode &= ~EMU10K1X_MIDI_MODE_INPUT; |
1341 | midi->substream_input = NULL; |
1342 | if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) { |
1343 | spin_unlock_irqrestore(lock: &midi->open_lock, flags); |
1344 | err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, ack: 0); |
1345 | } else { |
1346 | spin_unlock_irqrestore(lock: &midi->open_lock, flags); |
1347 | } |
1348 | return err; |
1349 | } |
1350 | |
1351 | static int snd_emu10k1x_midi_output_close(struct snd_rawmidi_substream *substream) |
1352 | { |
1353 | struct emu10k1x *emu; |
1354 | struct emu10k1x_midi *midi = substream->rmidi->private_data; |
1355 | unsigned long flags; |
1356 | int err = 0; |
1357 | |
1358 | emu = midi->emu; |
1359 | if (snd_BUG_ON(!emu)) |
1360 | return -ENXIO; |
1361 | spin_lock_irqsave(&midi->open_lock, flags); |
1362 | snd_emu10k1x_intr_disable(emu, intrenb: midi->tx_enable); |
1363 | midi->midi_mode &= ~EMU10K1X_MIDI_MODE_OUTPUT; |
1364 | midi->substream_output = NULL; |
1365 | if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { |
1366 | spin_unlock_irqrestore(lock: &midi->open_lock, flags); |
1367 | err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, ack: 0); |
1368 | } else { |
1369 | spin_unlock_irqrestore(lock: &midi->open_lock, flags); |
1370 | } |
1371 | return err; |
1372 | } |
1373 | |
1374 | static void snd_emu10k1x_midi_input_trigger(struct snd_rawmidi_substream *substream, int up) |
1375 | { |
1376 | struct emu10k1x *emu; |
1377 | struct emu10k1x_midi *midi = substream->rmidi->private_data; |
1378 | emu = midi->emu; |
1379 | if (snd_BUG_ON(!emu)) |
1380 | return; |
1381 | |
1382 | if (up) |
1383 | snd_emu10k1x_intr_enable(emu, intrenb: midi->rx_enable); |
1384 | else |
1385 | snd_emu10k1x_intr_disable(emu, intrenb: midi->rx_enable); |
1386 | } |
1387 | |
1388 | static void snd_emu10k1x_midi_output_trigger(struct snd_rawmidi_substream *substream, int up) |
1389 | { |
1390 | struct emu10k1x *emu; |
1391 | struct emu10k1x_midi *midi = substream->rmidi->private_data; |
1392 | unsigned long flags; |
1393 | |
1394 | emu = midi->emu; |
1395 | if (snd_BUG_ON(!emu)) |
1396 | return; |
1397 | |
1398 | if (up) { |
1399 | int max = 4; |
1400 | unsigned char byte; |
1401 | |
1402 | /* try to send some amount of bytes here before interrupts */ |
1403 | spin_lock_irqsave(&midi->output_lock, flags); |
1404 | while (max > 0) { |
1405 | if (mpu401_output_ready(emu, midi)) { |
1406 | if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT) || |
1407 | snd_rawmidi_transmit(substream, buffer: &byte, count: 1) != 1) { |
1408 | /* no more data */ |
1409 | spin_unlock_irqrestore(lock: &midi->output_lock, flags); |
1410 | return; |
1411 | } |
1412 | mpu401_write_data(emu, midi, byte); |
1413 | max--; |
1414 | } else { |
1415 | break; |
1416 | } |
1417 | } |
1418 | spin_unlock_irqrestore(lock: &midi->output_lock, flags); |
1419 | snd_emu10k1x_intr_enable(emu, intrenb: midi->tx_enable); |
1420 | } else { |
1421 | snd_emu10k1x_intr_disable(emu, intrenb: midi->tx_enable); |
1422 | } |
1423 | } |
1424 | |
1425 | /* |
1426 | |
1427 | */ |
1428 | |
1429 | static const struct snd_rawmidi_ops snd_emu10k1x_midi_output = |
1430 | { |
1431 | .open = snd_emu10k1x_midi_output_open, |
1432 | .close = snd_emu10k1x_midi_output_close, |
1433 | .trigger = snd_emu10k1x_midi_output_trigger, |
1434 | }; |
1435 | |
1436 | static const struct snd_rawmidi_ops snd_emu10k1x_midi_input = |
1437 | { |
1438 | .open = snd_emu10k1x_midi_input_open, |
1439 | .close = snd_emu10k1x_midi_input_close, |
1440 | .trigger = snd_emu10k1x_midi_input_trigger, |
1441 | }; |
1442 | |
1443 | static void snd_emu10k1x_midi_free(struct snd_rawmidi *rmidi) |
1444 | { |
1445 | struct emu10k1x_midi *midi = rmidi->private_data; |
1446 | midi->interrupt = NULL; |
1447 | midi->rmidi = NULL; |
1448 | } |
1449 | |
1450 | static int emu10k1x_midi_init(struct emu10k1x *emu, |
1451 | struct emu10k1x_midi *midi, int device, |
1452 | char *name) |
1453 | { |
1454 | struct snd_rawmidi *rmidi; |
1455 | int err; |
1456 | |
1457 | err = snd_rawmidi_new(card: emu->card, id: name, device, output_count: 1, input_count: 1, rmidi: &rmidi); |
1458 | if (err < 0) |
1459 | return err; |
1460 | midi->emu = emu; |
1461 | spin_lock_init(&midi->open_lock); |
1462 | spin_lock_init(&midi->input_lock); |
1463 | spin_lock_init(&midi->output_lock); |
1464 | strcpy(p: rmidi->name, q: name); |
1465 | snd_rawmidi_set_ops(rmidi, stream: SNDRV_RAWMIDI_STREAM_OUTPUT, ops: &snd_emu10k1x_midi_output); |
1466 | snd_rawmidi_set_ops(rmidi, stream: SNDRV_RAWMIDI_STREAM_INPUT, ops: &snd_emu10k1x_midi_input); |
1467 | rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | |
1468 | SNDRV_RAWMIDI_INFO_INPUT | |
1469 | SNDRV_RAWMIDI_INFO_DUPLEX; |
1470 | rmidi->private_data = midi; |
1471 | rmidi->private_free = snd_emu10k1x_midi_free; |
1472 | midi->rmidi = rmidi; |
1473 | return 0; |
1474 | } |
1475 | |
1476 | static int snd_emu10k1x_midi(struct emu10k1x *emu) |
1477 | { |
1478 | struct emu10k1x_midi *midi = &emu->midi; |
1479 | int err; |
1480 | |
1481 | err = emu10k1x_midi_init(emu, midi, device: 0, name: "EMU10K1X MPU-401 (UART)" ); |
1482 | if (err < 0) |
1483 | return err; |
1484 | |
1485 | midi->tx_enable = INTE_MIDITXENABLE; |
1486 | midi->rx_enable = INTE_MIDIRXENABLE; |
1487 | midi->port = MUDATA; |
1488 | midi->ipr_tx = IPR_MIDITRANSBUFEMPTY; |
1489 | midi->ipr_rx = IPR_MIDIRECVBUFEMPTY; |
1490 | midi->interrupt = snd_emu10k1x_midi_interrupt; |
1491 | return 0; |
1492 | } |
1493 | |
1494 | static int __snd_emu10k1x_probe(struct pci_dev *pci, |
1495 | const struct pci_device_id *pci_id) |
1496 | { |
1497 | static int dev; |
1498 | struct snd_card *card; |
1499 | struct emu10k1x *chip; |
1500 | int err; |
1501 | |
1502 | if (dev >= SNDRV_CARDS) |
1503 | return -ENODEV; |
1504 | if (!enable[dev]) { |
1505 | dev++; |
1506 | return -ENOENT; |
1507 | } |
1508 | |
1509 | err = snd_devm_card_new(parent: &pci->dev, idx: index[dev], xid: id[dev], THIS_MODULE, |
1510 | extra_size: sizeof(*chip), card_ret: &card); |
1511 | if (err < 0) |
1512 | return err; |
1513 | chip = card->private_data; |
1514 | |
1515 | err = snd_emu10k1x_create(card, pci); |
1516 | if (err < 0) |
1517 | return err; |
1518 | |
1519 | err = snd_emu10k1x_pcm(emu: chip, device: 0); |
1520 | if (err < 0) |
1521 | return err; |
1522 | err = snd_emu10k1x_pcm(emu: chip, device: 1); |
1523 | if (err < 0) |
1524 | return err; |
1525 | err = snd_emu10k1x_pcm(emu: chip, device: 2); |
1526 | if (err < 0) |
1527 | return err; |
1528 | |
1529 | err = snd_emu10k1x_ac97(chip); |
1530 | if (err < 0) |
1531 | return err; |
1532 | |
1533 | err = snd_emu10k1x_mixer(emu: chip); |
1534 | if (err < 0) |
1535 | return err; |
1536 | |
1537 | err = snd_emu10k1x_midi(emu: chip); |
1538 | if (err < 0) |
1539 | return err; |
1540 | |
1541 | snd_emu10k1x_proc_init(emu: chip); |
1542 | |
1543 | strcpy(p: card->driver, q: "EMU10K1X" ); |
1544 | strcpy(p: card->shortname, q: "Dell Sound Blaster Live!" ); |
1545 | sprintf(buf: card->longname, fmt: "%s at 0x%lx irq %i" , |
1546 | card->shortname, chip->port, chip->irq); |
1547 | |
1548 | err = snd_card_register(card); |
1549 | if (err < 0) |
1550 | return err; |
1551 | |
1552 | pci_set_drvdata(pdev: pci, data: card); |
1553 | dev++; |
1554 | return 0; |
1555 | } |
1556 | |
1557 | static int snd_emu10k1x_probe(struct pci_dev *pci, |
1558 | const struct pci_device_id *pci_id) |
1559 | { |
1560 | return snd_card_free_on_error(dev: &pci->dev, ret: __snd_emu10k1x_probe(pci, pci_id)); |
1561 | } |
1562 | |
1563 | // PCI IDs |
1564 | static const struct pci_device_id snd_emu10k1x_ids[] = { |
1565 | { PCI_VDEVICE(CREATIVE, 0x0006), 0 }, /* Dell OEM version (EMU10K1) */ |
1566 | { 0, } |
1567 | }; |
1568 | MODULE_DEVICE_TABLE(pci, snd_emu10k1x_ids); |
1569 | |
1570 | // pci_driver definition |
1571 | static struct pci_driver emu10k1x_driver = { |
1572 | .name = KBUILD_MODNAME, |
1573 | .id_table = snd_emu10k1x_ids, |
1574 | .probe = snd_emu10k1x_probe, |
1575 | }; |
1576 | |
1577 | module_pci_driver(emu10k1x_driver); |
1578 | |