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ALSA: fm801: Fix assignment in if condition
[linux-2.6-block.git] / sound / pci / fm801.c
CommitLineData
c942fddf 1// SPDX-License-Identifier: GPL-2.0-or-later
1da177e4
LT		 2/*
3 * The driver for the ForteMedia FM801 based soundcards
c1017a4c 4 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
1da177e4
LT		 5 */
6
1da177e4
LT		 7#include <linux/delay.h>
8#include <linux/init.h>
9#include <linux/interrupt.h>
215dacc2 10#include <linux/io.h>
1da177e4
LT		 11#include <linux/pci.h>
12#include <linux/slab.h>
65a77217 13#include <linux/module.h>
1da177e4
LT		 14#include <sound/core.h>
15#include <sound/pcm.h>
666c70ff 16#include <sound/tlv.h>
1da177e4
LT		 17#include <sound/ac97_codec.h>
18#include <sound/mpu401.h>
19#include <sound/opl3.h>
20#include <sound/initval.h>
21
efce4bb9 22#ifdef CONFIG_SND_FM801_TEA575X_BOOL
d647f0b7 23#include <media/drv-intf/tea575x.h>
1da177e4
LT		 24#endif
25
c1017a4c 26MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
1da177e4
LT		 27MODULE_DESCRIPTION("ForteMedia FM801");
28MODULE_LICENSE("GPL");
1da177e4
LT		 29
30static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
31static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
a67ff6a5 32static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
1da177e4
LT		 33/*
34 * Enable TEA575x tuner
35 * 1 = MediaForte 256-PCS
d7ba858a 36 * 2 = MediaForte 256-PCP
1da177e4 37 * 3 = MediaForte 64-PCR
fb716c0b 38 * 16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
1da177e4
LT		 39 * High 16-bits are video (radio) device number + 1
40 */
6581f4e7 41static int tea575x_tuner[SNDRV_CARDS];
d4ecc83b 42static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
1da177e4
LT		 43
44module_param_array(index, int, NULL, 0444);
45MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
46module_param_array(id, charp, NULL, 0444);
47MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
48module_param_array(enable, bool, NULL, 0444);
49MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
50module_param_array(tea575x_tuner, int, NULL, 0444);
d7ba858a 51MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (0 = auto, 1 = SF256-PCS, 2=SF256-PCP, 3=SF64-PCR, 8=disable, +16=tuner-only).");
d4ecc83b
HV		 52module_param_array(radio_nr, int, NULL, 0444);
53MODULE_PARM_DESC(radio_nr, "Radio device numbers");
54
fb716c0b 55
c37279b9 56#define TUNER_DISABLED (1<<3)
fb716c0b
OZ		 57#define TUNER_ONLY (1<<4)
58#define TUNER_TYPE_MASK (~TUNER_ONLY & 0xFFFF)
1da177e4
LT		 59
60/*
61 * Direct registers
62 */
63
215dacc2
AS		 64#define fm801_writew(chip,reg,value) outw((value), chip->port + FM801_##reg)
65#define fm801_readw(chip,reg) inw(chip->port + FM801_##reg)
66
67#define fm801_writel(chip,reg,value) outl((value), chip->port + FM801_##reg)
1da177e4
LT		 68
69#define FM801_PCM_VOL 0x00 /* PCM Output Volume */
70#define FM801_FM_VOL 0x02 /* FM Output Volume */
71#define FM801_I2S_VOL 0x04 /* I2S Volume */
72#define FM801_REC_SRC 0x06 /* Record Source */
73#define FM801_PLY_CTRL 0x08 /* Playback Control */
74#define FM801_PLY_COUNT 0x0a /* Playback Count */
75#define FM801_PLY_BUF1 0x0c /* Playback Bufer I */
76#define FM801_PLY_BUF2 0x10 /* Playback Buffer II */
77#define FM801_CAP_CTRL 0x14 /* Capture Control */
78#define FM801_CAP_COUNT 0x16 /* Capture Count */
79#define FM801_CAP_BUF1 0x18 /* Capture Buffer I */
80#define FM801_CAP_BUF2 0x1c /* Capture Buffer II */
81#define FM801_CODEC_CTRL 0x22 /* Codec Control */
82#define FM801_I2S_MODE 0x24 /* I2S Mode Control */
83#define FM801_VOLUME 0x26 /* Volume Up/Down/Mute Status */
84#define FM801_I2C_CTRL 0x29 /* I2C Control */
85#define FM801_AC97_CMD 0x2a /* AC'97 Command */
86#define FM801_AC97_DATA 0x2c /* AC'97 Data */
87#define FM801_MPU401_DATA 0x30 /* MPU401 Data */
88#define FM801_MPU401_CMD 0x31 /* MPU401 Command */
89#define FM801_GPIO_CTRL 0x52 /* General Purpose I/O Control */
90#define FM801_GEN_CTRL 0x54 /* General Control */
91#define FM801_IRQ_MASK 0x56 /* Interrupt Mask */
92#define FM801_IRQ_STATUS 0x5a /* Interrupt Status */
93#define FM801_OPL3_BANK0 0x68 /* OPL3 Status Read / Bank 0 Write */
94#define FM801_OPL3_DATA0 0x69 /* OPL3 Data 0 Write */
95#define FM801_OPL3_BANK1 0x6a /* OPL3 Bank 1 Write */
96#define FM801_OPL3_DATA1 0x6b /* OPL3 Bank 1 Write */
97#define FM801_POWERDOWN 0x70 /* Blocks Power Down Control */
98
b1e9ed26
TI		 99/* codec access */
100#define FM801_AC97_READ (1<<7) /* read=1, write=0 */
101#define FM801_AC97_VALID (1<<8) /* port valid=1 */
102#define FM801_AC97_BUSY (1<<9) /* busy=1 */
103#define FM801_AC97_ADDR_SHIFT 10 /* codec id (2bit) */
1da177e4
LT		 104
105/* playback and record control register bits */
106#define FM801_BUF1_LAST (1<<1)
107#define FM801_BUF2_LAST (1<<2)
108#define FM801_START (1<<5)
109#define FM801_PAUSE (1<<6)
110#define FM801_IMMED_STOP (1<<7)
111#define FM801_RATE_SHIFT 8
112#define FM801_RATE_MASK (15 << FM801_RATE_SHIFT)
113#define FM801_CHANNELS_4 (1<<12) /* playback only */
114#define FM801_CHANNELS_6 (2<<12) /* playback only */
115#define FM801_CHANNELS_6MS (3<<12) /* playback only */
116#define FM801_CHANNELS_MASK (3<<12)
117#define FM801_16BIT (1<<14)
118#define FM801_STEREO (1<<15)
119
120/* IRQ status bits */
121#define FM801_IRQ_PLAYBACK (1<<8)
122#define FM801_IRQ_CAPTURE (1<<9)
123#define FM801_IRQ_VOLUME (1<<14)
124#define FM801_IRQ_MPU (1<<15)
125
126/* GPIO control register */
127#define FM801_GPIO_GP0 (1<<0) /* read/write */
128#define FM801_GPIO_GP1 (1<<1)
129#define FM801_GPIO_GP2 (1<<2)
130#define FM801_GPIO_GP3 (1<<3)
131#define FM801_GPIO_GP(x) (1<<(0+(x)))
132#define FM801_GPIO_GD0 (1<<8) /* directions: 1 = input, 0 = output*/
133#define FM801_GPIO_GD1 (1<<9)
134#define FM801_GPIO_GD2 (1<<10)
135#define FM801_GPIO_GD3 (1<<11)
136#define FM801_GPIO_GD(x) (1<<(8+(x)))
137#define FM801_GPIO_GS0 (1<<12) /* function select: */
138#define FM801_GPIO_GS1 (1<<13) /* 1 = GPIO */
139#define FM801_GPIO_GS2 (1<<14) /* 0 = other (S/PDIF, VOL) */
140#define FM801_GPIO_GS3 (1<<15)
141#define FM801_GPIO_GS(x) (1<<(12+(x)))
142
052c233e
AS		 143/**
144 * struct fm801 - describes FM801 chip
af8c5dff
PLB		 145 * @dev: device for this chio
146 * @irq: irq number
052c233e
AS		 147 * @port: I/O port number
148 * @multichannel: multichannel support
149 * @secondary: secondary codec
150 * @secondary_addr: address of the secondary codec
151 * @tea575x_tuner: tuner access method & flags
152 * @ply_ctrl: playback control
153 * @cap_ctrl: capture control
af8c5dff
PLB		 154 * @ply_buffer: playback buffer
155 * @ply_buf: playback buffer index
156 * @ply_count: playback buffer count
157 * @ply_size: playback buffer size
158 * @ply_pos: playback position
159 * @cap_buffer: capture buffer
160 * @cap_buf: capture buffer index
161 * @cap_count: capture buffer count
162 * @cap_size: capture buffer size
163 * @cap_pos: capture position
164 * @ac97_bus: ac97 bus handle
165 * @ac97: ac97 handle
166 * @ac97_sec: ac97 secondary handle
167 * @card: ALSA card
168 * @pcm: PCM devices
169 * @rmidi: rmidi device
170 * @playback_substream: substream for playback
171 * @capture_substream: substream for capture
172 * @p_dma_size: playback DMA size
173 * @c_dma_size: capture DMA size
174 * @reg_lock: lock
175 * @proc_entry: /proc entry
176 * @v4l2_dev: v4l2 device
177 * @tea: tea575a structure
178 * @saved_regs: context saved during suspend
1da177e4 179 */
a5f22156 180struct fm801 {
d3d33aab 181 struct device *dev;
1da177e4
LT		 182 int irq;
183
052c233e
AS		 184 unsigned long port;
185 unsigned int multichannel: 1,
186 secondary: 1;
187 unsigned char secondary_addr;
188 unsigned int tea575x_tuner;
1da177e4 189
052c233e
AS		 190 unsigned short ply_ctrl;
191 unsigned short cap_ctrl;
1da177e4
LT		 192
193 unsigned long ply_buffer;
194 unsigned int ply_buf;
195 unsigned int ply_count;
196 unsigned int ply_size;
197 unsigned int ply_pos;
198
199 unsigned long cap_buffer;
200 unsigned int cap_buf;
201 unsigned int cap_count;
202 unsigned int cap_size;
203 unsigned int cap_pos;
204
a5f22156
TI		 205 struct snd_ac97_bus *ac97_bus;
206 struct snd_ac97 *ac97;
207 struct snd_ac97 *ac97_sec;
1da177e4 208
a5f22156
TI		 209 struct snd_card *card;
210 struct snd_pcm *pcm;
211 struct snd_rawmidi *rmidi;
212 struct snd_pcm_substream *playback_substream;
213 struct snd_pcm_substream *capture_substream;
1da177e4
LT		 214 unsigned int p_dma_size;
215 unsigned int c_dma_size;
216
217 spinlock_t reg_lock;
a5f22156 218 struct snd_info_entry *proc_entry;
1da177e4 219
fdb62b50 220#ifdef CONFIG_SND_FM801_TEA575X_BOOL
d4ecc83b 221 struct v4l2_device v4l2_dev;
a5f22156 222 struct snd_tea575x tea;
1da177e4 223#endif
b1e9ed26 224
c7561cd8 225#ifdef CONFIG_PM_SLEEP
b1e9ed26
TI		 226 u16 saved_regs[0x20];
227#endif
1da177e4
LT		 228};
229
4b5c15f7
AS		 230/*
231 * IO accessors
232 */
233
234static inline void fm801_iowrite16(struct fm801 *chip, unsigned short offset, u16 value)
235{
236 outw(value, chip->port + offset);
237}
238
239static inline u16 fm801_ioread16(struct fm801 *chip, unsigned short offset)
240{
241 return inw(chip->port + offset);
242}
243
9baa3c34 244static const struct pci_device_id snd_fm801_ids[] = {
1da177e4 245 { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* FM801 */
26be8659 246 { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* Gallant Odyssey Sound 4 */
1da177e4
LT		 247 { 0, }
248};
249
250MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
251
252/*
253 * common I/O routines
254 */
255
02fd1a76
AS		 256static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations)
257{
258 unsigned int idx;
259
260 for (idx = 0; idx < iterations; idx++) {
261 if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY))
262 return true;
263 udelay(10);
264 }
265 return false;
266}
267
268static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations)
269{
270 unsigned int idx;
271
272 for (idx = 0; idx < iterations; idx++) {
273 if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID)
274 return true;
275 udelay(10);
276 }
277 return false;
278}
279
a5f22156 280static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
1da177e4
LT		 281 unsigned short mask, unsigned short value)
282{
283 int change;
284 unsigned long flags;
285 unsigned short old, new;
286
287 spin_lock_irqsave(&chip->reg_lock, flags);
4b5c15f7 288 old = fm801_ioread16(chip, reg);
1da177e4
LT		 289 new = (old & ~mask) | value;
290 change = old != new;
291 if (change)
4b5c15f7 292 fm801_iowrite16(chip, reg, new);
1da177e4
LT		 293 spin_unlock_irqrestore(&chip->reg_lock, flags);
294 return change;
295}
296
a5f22156 297static void snd_fm801_codec_write(struct snd_ac97 *ac97,
1da177e4
LT		 298 unsigned short reg,
299 unsigned short val)
300{
a5f22156 301 struct fm801 *chip = ac97->private_data;
1da177e4
LT		 302
303 /*
304 * Wait until the codec interface is not ready..
305 */
02fd1a76
AS		 306 if (!fm801_ac97_is_ready(chip, 100)) {
307 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
308 return;
1da177e4 309 }
1da177e4 310
1da177e4 311 /* write data and address */
215dacc2
AS		 312 fm801_writew(chip, AC97_DATA, val);
313 fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT));
1da177e4
LT		 314 /*
315 * Wait until the write command is not completed..
02fd1a76
AS		 316 */
317 if (!fm801_ac97_is_ready(chip, 1000))
318 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
319 ac97->num);
1da177e4
LT		 320}
321
a5f22156 322static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
1da177e4 323{
a5f22156 324 struct fm801 *chip = ac97->private_data;
1da177e4
LT		 325
326 /*
327 * Wait until the codec interface is not ready..
328 */
02fd1a76
AS		 329 if (!fm801_ac97_is_ready(chip, 100)) {
330 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
331 return 0;
1da177e4 332 }
1da177e4 333
1da177e4 334 /* read command */
215dacc2
AS		 335 fm801_writew(chip, AC97_CMD,
336 reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
02fd1a76
AS		 337 if (!fm801_ac97_is_ready(chip, 100)) {
338 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
339 ac97->num);
340 return 0;
1da177e4 341 }
1da177e4 342
02fd1a76
AS		 343 if (!fm801_ac97_is_valid(chip, 1000)) {
344 dev_err(chip->card->dev,
345 "AC'97 interface #%d is not valid (2)\n", ac97->num);
346 return 0;
1da177e4 347 }
1da177e4 348
215dacc2 349 return fm801_readw(chip, AC97_DATA);
1da177e4
LT		 350}
351
d71a13f4 352static const unsigned int rates[] = {
1da177e4
LT		 353 5500, 8000, 9600, 11025,
354 16000, 19200, 22050, 32000,
355 38400, 44100, 48000
356};
357
d71a13f4 358static const struct snd_pcm_hw_constraint_list hw_constraints_rates = {
1da177e4
LT		 359 .count = ARRAY_SIZE(rates),
360 .list = rates,
361 .mask = 0,
362};
363
d71a13f4 364static const unsigned int channels[] = {
1da177e4
LT		 365 2, 4, 6
366};
367
d71a13f4 368static const struct snd_pcm_hw_constraint_list hw_constraints_channels = {
5e4968e2 369 .count = ARRAY_SIZE(channels),
1da177e4
LT		 370 .list = channels,
371 .mask = 0,
372};
373
374/*
375 * Sample rate routines
376 */
377
378static unsigned short snd_fm801_rate_bits(unsigned int rate)
379{
380 unsigned int idx;
381
382 for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
383 if (rates[idx] == rate)
384 return idx;
385 snd_BUG();
386 return ARRAY_SIZE(rates) - 1;
387}
388
389/*
390 * PCM part
391 */
392
a5f22156 393static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
1da177e4
LT		 394 int cmd)
395{
a5f22156 396 struct fm801 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 397
398 spin_lock(&chip->reg_lock);
399 switch (cmd) {
400 case SNDRV_PCM_TRIGGER_START:
401 chip->ply_ctrl &= ~(FM801_BUF1_LAST |
402 FM801_BUF2_LAST |
403 FM801_PAUSE);
404 chip->ply_ctrl |= FM801_START |
405 FM801_IMMED_STOP;
406 break;
407 case SNDRV_PCM_TRIGGER_STOP:
408 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
409 break;
410 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
b1e9ed26 411 case SNDRV_PCM_TRIGGER_SUSPEND:
1da177e4
LT		 412 chip->ply_ctrl |= FM801_PAUSE;
413 break;
414 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
b1e9ed26 415 case SNDRV_PCM_TRIGGER_RESUME:
1da177e4
LT		 416 chip->ply_ctrl &= ~FM801_PAUSE;
417 break;
418 default:
419 spin_unlock(&chip->reg_lock);
420 snd_BUG();
421 return -EINVAL;
422 }
215dacc2 423 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
1da177e4
LT		 424 spin_unlock(&chip->reg_lock);
425 return 0;
426}
427
a5f22156 428static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
1da177e4
LT		 429 int cmd)
430{
a5f22156 431 struct fm801 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 432
433 spin_lock(&chip->reg_lock);
434 switch (cmd) {
435 case SNDRV_PCM_TRIGGER_START:
436 chip->cap_ctrl &= ~(FM801_BUF1_LAST |
437 FM801_BUF2_LAST |
438 FM801_PAUSE);
439 chip->cap_ctrl |= FM801_START |
440 FM801_IMMED_STOP;
441 break;
442 case SNDRV_PCM_TRIGGER_STOP:
443 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
444 break;
445 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
b1e9ed26 446 case SNDRV_PCM_TRIGGER_SUSPEND:
1da177e4
LT		 447 chip->cap_ctrl |= FM801_PAUSE;
448 break;
449 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
b1e9ed26 450 case SNDRV_PCM_TRIGGER_RESUME:
1da177e4
LT		 451 chip->cap_ctrl &= ~FM801_PAUSE;
452 break;
453 default:
454 spin_unlock(&chip->reg_lock);
455 snd_BUG();
456 return -EINVAL;
457 }
215dacc2 458 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
1da177e4
LT		 459 spin_unlock(&chip->reg_lock);
460 return 0;
461}
462
a5f22156 463static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
1da177e4 464{
a5f22156
TI		 465 struct fm801 *chip = snd_pcm_substream_chip(substream);
466 struct snd_pcm_runtime *runtime = substream->runtime;
1da177e4
LT		 467
468 chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
469 chip->ply_count = snd_pcm_lib_period_bytes(substream);
470 spin_lock_irq(&chip->reg_lock);
471 chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
472 FM801_STEREO | FM801_RATE_MASK |
473 FM801_CHANNELS_MASK);
474 if (snd_pcm_format_width(runtime->format) == 16)
475 chip->ply_ctrl |= FM801_16BIT;
476 if (runtime->channels > 1) {
477 chip->ply_ctrl |= FM801_STEREO;
478 if (runtime->channels == 4)
479 chip->ply_ctrl |= FM801_CHANNELS_4;
480 else if (runtime->channels == 6)
481 chip->ply_ctrl |= FM801_CHANNELS_6;
482 }
483 chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
484 chip->ply_buf = 0;
215dacc2
AS		 485 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
486 fm801_writew(chip, PLY_COUNT, chip->ply_count - 1);
1da177e4
LT		 487 chip->ply_buffer = runtime->dma_addr;
488 chip->ply_pos = 0;
215dacc2
AS		 489 fm801_writel(chip, PLY_BUF1, chip->ply_buffer);
490 fm801_writel(chip, PLY_BUF2,
491 chip->ply_buffer + (chip->ply_count % chip->ply_size));
1da177e4
LT		 492 spin_unlock_irq(&chip->reg_lock);
493 return 0;
494}
495
a5f22156 496static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
1da177e4 497{
a5f22156
TI		 498 struct fm801 *chip = snd_pcm_substream_chip(substream);
499 struct snd_pcm_runtime *runtime = substream->runtime;
1da177e4
LT		 500
501 chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
502 chip->cap_count = snd_pcm_lib_period_bytes(substream);
503 spin_lock_irq(&chip->reg_lock);
504 chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
505 FM801_STEREO | FM801_RATE_MASK);
506 if (snd_pcm_format_width(runtime->format) == 16)
507 chip->cap_ctrl |= FM801_16BIT;
508 if (runtime->channels > 1)
509 chip->cap_ctrl |= FM801_STEREO;
510 chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
511 chip->cap_buf = 0;
215dacc2
AS		 512 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
513 fm801_writew(chip, CAP_COUNT, chip->cap_count - 1);
1da177e4
LT		 514 chip->cap_buffer = runtime->dma_addr;
515 chip->cap_pos = 0;
215dacc2
AS		 516 fm801_writel(chip, CAP_BUF1, chip->cap_buffer);
517 fm801_writel(chip, CAP_BUF2,
518 chip->cap_buffer + (chip->cap_count % chip->cap_size));
1da177e4
LT		 519 spin_unlock_irq(&chip->reg_lock);
520 return 0;
521}
522
a5f22156 523static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
1da177e4 524{
a5f22156 525 struct fm801 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 526 size_t ptr;
527
528 if (!(chip->ply_ctrl & FM801_START))
529 return 0;
530 spin_lock(&chip->reg_lock);
215dacc2
AS		 531 ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT);
532 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) {
1da177e4
LT		 533 ptr += chip->ply_count;
534 ptr %= chip->ply_size;
535 }
536 spin_unlock(&chip->reg_lock);
537 return bytes_to_frames(substream->runtime, ptr);
538}
539
a5f22156 540static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
1da177e4 541{
a5f22156 542 struct fm801 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 543 size_t ptr;
544
545 if (!(chip->cap_ctrl & FM801_START))
546 return 0;
547 spin_lock(&chip->reg_lock);
215dacc2
AS		 548 ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT);
549 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) {
1da177e4
LT		 550 ptr += chip->cap_count;
551 ptr %= chip->cap_size;
552 }
553 spin_unlock(&chip->reg_lock);
554 return bytes_to_frames(substream->runtime, ptr);
555}
556
7d12e780 557static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
1da177e4 558{
a5f22156 559 struct fm801 *chip = dev_id;
1da177e4
LT		 560 unsigned short status;
561 unsigned int tmp;
562
215dacc2 563 status = fm801_readw(chip, IRQ_STATUS);
1da177e4
LT		 564 status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
565 if (! status)
566 return IRQ_NONE;
567 /* ack first */
215dacc2 568 fm801_writew(chip, IRQ_STATUS, status);
1da177e4
LT		 569 if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
570 spin_lock(&chip->reg_lock);
571 chip->ply_buf++;
572 chip->ply_pos += chip->ply_count;
573 chip->ply_pos %= chip->ply_size;
574 tmp = chip->ply_pos + chip->ply_count;
575 tmp %= chip->ply_size;
215dacc2
AS		 576 if (chip->ply_buf & 1)
577 fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp);
578 else
579 fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp);
1da177e4
LT		 580 spin_unlock(&chip->reg_lock);
581 snd_pcm_period_elapsed(chip->playback_substream);
582 }
583 if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
584 spin_lock(&chip->reg_lock);
585 chip->cap_buf++;
586 chip->cap_pos += chip->cap_count;
587 chip->cap_pos %= chip->cap_size;
588 tmp = chip->cap_pos + chip->cap_count;
589 tmp %= chip->cap_size;
215dacc2
AS		 590 if (chip->cap_buf & 1)
591 fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp);
592 else
593 fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp);
1da177e4
LT		 594 spin_unlock(&chip->reg_lock);
595 snd_pcm_period_elapsed(chip->capture_substream);
596 }
597 if (chip->rmidi && (status & FM801_IRQ_MPU))
7d12e780 598 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
997c87da
AS		 599 if (status & FM801_IRQ_VOLUME) {
600 /* TODO */
601 }
1da177e4
LT		 602
603 return IRQ_HANDLED;
604}
605
dee49895 606static const struct snd_pcm_hardware snd_fm801_playback =
1da177e4
LT		 607{
608 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
609 SNDRV_PCM_INFO_BLOCK_TRANSFER |
b1e9ed26 610 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
1da177e4
LT		 611 SNDRV_PCM_INFO_MMAP_VALID),
612 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
613 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
614 .rate_min = 5500,
615 .rate_max = 48000,
616 .channels_min = 1,
617 .channels_max = 2,
618 .buffer_bytes_max = (128*1024),
619 .period_bytes_min = 64,
620 .period_bytes_max = (128*1024),
621 .periods_min = 1,
622 .periods_max = 1024,
623 .fifo_size = 0,
624};
625
dee49895 626static const struct snd_pcm_hardware snd_fm801_capture =
1da177e4
LT		 627{
628 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
629 SNDRV_PCM_INFO_BLOCK_TRANSFER |
b1e9ed26 630 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
1da177e4
LT		 631 SNDRV_PCM_INFO_MMAP_VALID),
632 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
633 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
634 .rate_min = 5500,
635 .rate_max = 48000,
636 .channels_min = 1,
637 .channels_max = 2,
638 .buffer_bytes_max = (128*1024),
639 .period_bytes_min = 64,
640 .period_bytes_max = (128*1024),
641 .periods_min = 1,
642 .periods_max = 1024,
643 .fifo_size = 0,
644};
645
a5f22156 646static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
1da177e4 647{
a5f22156
TI		 648 struct fm801 *chip = snd_pcm_substream_chip(substream);
649 struct snd_pcm_runtime *runtime = substream->runtime;
1da177e4
LT		 650 int err;
651
652 chip->playback_substream = substream;
653 runtime->hw = snd_fm801_playback;
a5f22156
TI		 654 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
655 &hw_constraints_rates);
1da177e4
LT		 656 if (chip->multichannel) {
657 runtime->hw.channels_max = 6;
a5f22156
TI		 658 snd_pcm_hw_constraint_list(runtime, 0,
659 SNDRV_PCM_HW_PARAM_CHANNELS,
660 &hw_constraints_channels);
1da177e4 661 }
68f441ab
TI		 662 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
663 if (err < 0)
1da177e4
LT		 664 return err;
665 return 0;
666}
667
a5f22156 668static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
1da177e4 669{
a5f22156
TI		 670 struct fm801 *chip = snd_pcm_substream_chip(substream);
671 struct snd_pcm_runtime *runtime = substream->runtime;
1da177e4
LT		 672 int err;
673
674 chip->capture_substream = substream;
675 runtime->hw = snd_fm801_capture;
a5f22156
TI		 676 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
677 &hw_constraints_rates);
68f441ab
TI		 678 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
679 if (err < 0)
1da177e4
LT		 680 return err;
681 return 0;
682}
683
a5f22156 684static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
1da177e4 685{
a5f22156 686 struct fm801 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 687
688 chip->playback_substream = NULL;
689 return 0;
690}
691
a5f22156 692static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
1da177e4 693{
a5f22156 694 struct fm801 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 695
696 chip->capture_substream = NULL;
697 return 0;
698}
699
6769e988 700static const struct snd_pcm_ops snd_fm801_playback_ops = {
1da177e4
LT		 701 .open = snd_fm801_playback_open,
702 .close = snd_fm801_playback_close,
1da177e4
LT		 703 .prepare = snd_fm801_playback_prepare,
704 .trigger = snd_fm801_playback_trigger,
705 .pointer = snd_fm801_playback_pointer,
706};
707
6769e988 708static const struct snd_pcm_ops snd_fm801_capture_ops = {
1da177e4
LT		 709 .open = snd_fm801_capture_open,
710 .close = snd_fm801_capture_close,
1da177e4
LT		 711 .prepare = snd_fm801_capture_prepare,
712 .trigger = snd_fm801_capture_trigger,
713 .pointer = snd_fm801_capture_pointer,
714};
715
483337f9 716static int snd_fm801_pcm(struct fm801 *chip, int device)
1da177e4 717{
d3d33aab 718 struct pci_dev *pdev = to_pci_dev(chip->dev);
a5f22156 719 struct snd_pcm *pcm;
1da177e4
LT		 720 int err;
721
68f441ab
TI		 722 err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm);
723 if (err < 0)
1da177e4
LT		 724 return err;
725
726 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
727 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
728
729 pcm->private_data = chip;
1da177e4
LT		 730 pcm->info_flags = 0;
731 strcpy(pcm->name, "FM801");
732 chip->pcm = pcm;
733
247ed102
TI		 734 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &pdev->dev,
735 chip->multichannel ? 128*1024 : 64*1024, 128*1024);
1da177e4 736
483337f9 737 return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
e36e3b86
TI		 738 snd_pcm_alt_chmaps,
739 chip->multichannel ? 6 : 2, 0,
740 NULL);
1da177e4
LT		 741}
742
743/*
744 * TEA5757 radio
745 */
746
fdb62b50 747#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1da177e4 748
938a1566
OZ		 749/* GPIO to TEA575x maps */
750struct snd_fm801_tea575x_gpio {
751 u8 data, clk, wren, most;
d7ba858a 752 char *name;
938a1566 753};
1da177e4 754
fb537cd0 755static const struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
d7ba858a
OZ		 756 { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
757 { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
758 { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
938a1566 759};
1da177e4 760
8e699d2c
TI		 761#define get_tea575x_gpio(chip) \
762 (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
763
938a1566 764static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
1da177e4 765{
a5f22156 766 struct fm801 *chip = tea->private_data;
215dacc2 767 unsigned short reg = fm801_readw(chip, GPIO_CTRL);
8e699d2c 768 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
1da177e4 769
938a1566
OZ		 770 reg &= ~(FM801_GPIO_GP(gpio.data) |
771 FM801_GPIO_GP(gpio.clk) |
772 FM801_GPIO_GP(gpio.wren));
1da177e4 773
938a1566
OZ		 774 reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
775 reg |= (pins & TEA575X_CLK) ? FM801_GPIO_GP(gpio.clk) : 0;
776 /* WRITE_ENABLE is inverted */
777 reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
1da177e4 778
215dacc2 779 fm801_writew(chip, GPIO_CTRL, reg);
1da177e4
LT		 780}
781
938a1566 782static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
1da177e4 783{
a5f22156 784 struct fm801 *chip = tea->private_data;
215dacc2 785 unsigned short reg = fm801_readw(chip, GPIO_CTRL);
8e699d2c 786 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
effded75
DC		 787 u8 ret;
788
789 ret = 0;
790 if (reg & FM801_GPIO_GP(gpio.data))
791 ret |= TEA575X_DATA;
792 if (reg & FM801_GPIO_GP(gpio.most))
793 ret |= TEA575X_MOST;
794 return ret;
1da177e4
LT		 795}
796
938a1566 797static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
1da177e4 798{
a5f22156 799 struct fm801 *chip = tea->private_data;
215dacc2 800 unsigned short reg = fm801_readw(chip, GPIO_CTRL);
8e699d2c 801 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
1da177e4 802
1da177e4 803 /* use GPIO lines and set write enable bit */
938a1566
OZ		 804 reg |= FM801_GPIO_GS(gpio.data) |
805 FM801_GPIO_GS(gpio.wren) |
806 FM801_GPIO_GS(gpio.clk) |
807 FM801_GPIO_GS(gpio.most);
808 if (output) {
809 /* all of lines are in the write direction */
810 /* clear data and clock lines */
811 reg &= ~(FM801_GPIO_GD(gpio.data) |
812 FM801_GPIO_GD(gpio.wren) |
813 FM801_GPIO_GD(gpio.clk) |
814 FM801_GPIO_GP(gpio.data) |
815 FM801_GPIO_GP(gpio.clk) |
816 FM801_GPIO_GP(gpio.wren));
817 } else {
818 /* use GPIO lines, set data direction to input */
819 reg |= FM801_GPIO_GD(gpio.data) |
820 FM801_GPIO_GD(gpio.most) |
821 FM801_GPIO_GP(gpio.data) |
822 FM801_GPIO_GP(gpio.most) |
823 FM801_GPIO_GP(gpio.wren);
824 /* all of lines are in the write direction, except data */
825 /* clear data, write enable and clock lines */
826 reg &= ~(FM801_GPIO_GD(gpio.wren) |
827 FM801_GPIO_GD(gpio.clk) |
828 FM801_GPIO_GP(gpio.clk));
1da177e4
LT		 829 }
830
215dacc2 831 fm801_writew(chip, GPIO_CTRL, reg);
69252128
AS		 832}
833
22dbec26 834static const struct snd_tea575x_ops snd_fm801_tea_ops = {
938a1566
OZ		 835 .set_pins = snd_fm801_tea575x_set_pins,
836 .get_pins = snd_fm801_tea575x_get_pins,
837 .set_direction = snd_fm801_tea575x_set_direction,
1da177e4
LT		 838};
839#endif
840
841/*
842 * Mixer routines
843 */
844
845#define FM801_SINGLE(xname, reg, shift, mask, invert) \
846{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
847 .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
848 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
849
a5f22156
TI		 850static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
851 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 852{
853 int mask = (kcontrol->private_value >> 16) & 0xff;
854
855 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
856 uinfo->count = 1;
857 uinfo->value.integer.min = 0;
858 uinfo->value.integer.max = mask;
859 return 0;
860}
861
a5f22156
TI		 862static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
863 struct snd_ctl_elem_value *ucontrol)
1da177e4 864{
a5f22156 865 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 866 int reg = kcontrol->private_value & 0xff;
867 int shift = (kcontrol->private_value >> 8) & 0xff;
868 int mask = (kcontrol->private_value >> 16) & 0xff;
869 int invert = (kcontrol->private_value >> 24) & 0xff;
4b5c15f7 870 long *value = ucontrol->value.integer.value;
1da177e4 871
4b5c15f7 872 value[0] = (fm801_ioread16(chip, reg) >> shift) & mask;
1da177e4 873 if (invert)
4b5c15f7 874 value[0] = mask - value[0];
1da177e4
LT		 875 return 0;
876}
877
a5f22156
TI		 878static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
879 struct snd_ctl_elem_value *ucontrol)
1da177e4 880{
a5f22156 881 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 882 int reg = kcontrol->private_value & 0xff;
883 int shift = (kcontrol->private_value >> 8) & 0xff;
884 int mask = (kcontrol->private_value >> 16) & 0xff;
885 int invert = (kcontrol->private_value >> 24) & 0xff;
886 unsigned short val;
887
888 val = (ucontrol->value.integer.value[0] & mask);
889 if (invert)
890 val = mask - val;
891 return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
892}
893
894#define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
895{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
896 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
897 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
666c70ff
TI		 898#define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
899{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
900 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
901 .name = xname, .info = snd_fm801_info_double, \
902 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
903 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
904 .tlv = { .p = (xtlv) } }
1da177e4 905
a5f22156
TI		 906static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
907 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 908{
909 int mask = (kcontrol->private_value >> 16) & 0xff;
910
911 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
912 uinfo->count = 2;
913 uinfo->value.integer.min = 0;
914 uinfo->value.integer.max = mask;
915 return 0;
916}
917
a5f22156
TI		 918static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
919 struct snd_ctl_elem_value *ucontrol)
1da177e4 920{
a5f22156 921 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 922 int reg = kcontrol->private_value & 0xff;
923 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
924 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
925 int mask = (kcontrol->private_value >> 16) & 0xff;
926 int invert = (kcontrol->private_value >> 24) & 0xff;
4b5c15f7 927 long *value = ucontrol->value.integer.value;
1da177e4
LT		 928
929 spin_lock_irq(&chip->reg_lock);
4b5c15f7
AS		 930 value[0] = (fm801_ioread16(chip, reg) >> shift_left) & mask;
931 value[1] = (fm801_ioread16(chip, reg) >> shift_right) & mask;
1da177e4
LT		 932 spin_unlock_irq(&chip->reg_lock);
933 if (invert) {
4b5c15f7
AS		 934 value[0] = mask - value[0];
935 value[1] = mask - value[1];
1da177e4
LT		 936 }
937 return 0;
938}
939
a5f22156
TI		 940static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
941 struct snd_ctl_elem_value *ucontrol)
1da177e4 942{
a5f22156 943 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 944 int reg = kcontrol->private_value & 0xff;
945 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
946 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
947 int mask = (kcontrol->private_value >> 16) & 0xff;
948 int invert = (kcontrol->private_value >> 24) & 0xff;
949 unsigned short val1, val2;
950
951 val1 = ucontrol->value.integer.value[0] & mask;
952 val2 = ucontrol->value.integer.value[1] & mask;
953 if (invert) {
954 val1 = mask - val1;
955 val2 = mask - val2;
956 }
957 return snd_fm801_update_bits(chip, reg,
958 (mask << shift_left) | (mask << shift_right),
959 (val1 << shift_left ) | (val2 << shift_right));
960}
961
a5f22156
TI		 962static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
963 struct snd_ctl_elem_info *uinfo)
1da177e4 964{
ca776a28 965 static const char * const texts[5] = {
1da177e4
LT		 966 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
967 };
968
ca776a28 969 return snd_ctl_enum_info(uinfo, 1, 5, texts);
1da177e4
LT		 970}
971
a5f22156
TI		 972static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
973 struct snd_ctl_elem_value *ucontrol)
1da177e4 974{
a5f22156 975 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 976 unsigned short val;
977
215dacc2 978 val = fm801_readw(chip, REC_SRC) & 7;
1da177e4
LT		 979 if (val > 4)
980 val = 4;
981 ucontrol->value.enumerated.item[0] = val;
982 return 0;
983}
984
a5f22156
TI		 985static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
986 struct snd_ctl_elem_value *ucontrol)
1da177e4 987{
a5f22156 988 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 989 unsigned short val;
990
68f441ab
TI		 991 val = ucontrol->value.enumerated.item[0];
992 if (val > 4)
1da177e4
LT		 993 return -EINVAL;
994 return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
995}
996
0cb29ea0 997static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
666c70ff 998
a5f22156 999#define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
1da177e4 1000
b4e5e707 1001static const struct snd_kcontrol_new snd_fm801_controls[] = {
666c70ff
TI		 1002FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
1003 db_scale_dsp),
1da177e4 1004FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
666c70ff
TI		 1005FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
1006 db_scale_dsp),
1da177e4 1007FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
666c70ff
TI		 1008FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
1009 db_scale_dsp),
1da177e4
LT		 1010FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
1011{
1012 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1013 .name = "Digital Capture Source",
1014 .info = snd_fm801_info_mux,
1015 .get = snd_fm801_get_mux,
1016 .put = snd_fm801_put_mux,
1017}
1018};
1019
a5f22156 1020#define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1da177e4 1021
b4e5e707 1022static const struct snd_kcontrol_new snd_fm801_controls_multi[] = {
1da177e4
LT		 1023FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1024FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
10e8d78a
CL		 1025FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1026FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1027FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1028FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1da177e4
LT		 1029};
1030
a5f22156 1031static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1da177e4 1032{
a5f22156 1033 struct fm801 *chip = bus->private_data;
1da177e4
LT		 1034 chip->ac97_bus = NULL;
1035}
1036
a5f22156 1037static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1da177e4 1038{
a5f22156 1039 struct fm801 *chip = ac97->private_data;
1da177e4
LT		 1040 if (ac97->num == 0) {
1041 chip->ac97 = NULL;
1042 } else {
1043 chip->ac97_sec = NULL;
1044 }
1045}
1046
e23e7a14 1047static int snd_fm801_mixer(struct fm801 *chip)
1da177e4 1048{
a5f22156 1049 struct snd_ac97_template ac97;
1da177e4
LT		 1050 unsigned int i;
1051 int err;
51055da5 1052 static const struct snd_ac97_bus_ops ops = {
1da177e4
LT		 1053 .write = snd_fm801_codec_write,
1054 .read = snd_fm801_codec_read,
1055 };
1056
68f441ab
TI		 1057 err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus);
1058 if (err < 0)
1da177e4
LT		 1059 return err;
1060 chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1061
1062 memset(&ac97, 0, sizeof(ac97));
1063 ac97.private_data = chip;
1064 ac97.private_free = snd_fm801_mixer_free_ac97;
68f441ab
TI		 1065 err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97);
1066 if (err < 0)
1da177e4
LT		 1067 return err;
1068 if (chip->secondary) {
1069 ac97.num = 1;
1070 ac97.addr = chip->secondary_addr;
68f441ab
TI		 1071 err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec);
1072 if (err < 0)
1da177e4
LT		 1073 return err;
1074 }
ef1ffbe7
ZJ		 1075 for (i = 0; i < FM801_CONTROLS; i++) {
1076 err = snd_ctl_add(chip->card,
1077 snd_ctl_new1(&snd_fm801_controls[i], chip));
1078 if (err < 0)
1079 return err;
1080 }
1da177e4 1081 if (chip->multichannel) {
ef1ffbe7
ZJ		 1082 for (i = 0; i < FM801_CONTROLS_MULTI; i++) {
1083 err = snd_ctl_add(chip->card,
1084 snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1085 if (err < 0)
1086 return err;
1087 }
1da177e4
LT		 1088 }
1089 return 0;
1090}
1091
1092/*
1093 * initialization routines
1094 */
1095
b1e9ed26
TI		 1096static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1097 unsigned short reg, unsigned long waits)
1098{
1099 unsigned long timeout = jiffies + waits;
1100
215dacc2
AS		 1101 fm801_writew(chip, AC97_CMD,
1102 reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
b1e9ed26
TI		 1103 udelay(5);
1104 do {
215dacc2
AS		 1105 if ((fm801_readw(chip, AC97_CMD) &
1106 (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID)
b1e9ed26
TI		 1107 return 0;
1108 schedule_timeout_uninterruptible(1);
1109 } while (time_after(timeout, jiffies));
1110 return -EIO;
1111}
1112
b56fa687 1113static int reset_codec(struct fm801 *chip)
b1e9ed26 1114{
b1e9ed26 1115 /* codec cold reset + AC'97 warm reset */
215dacc2
AS		 1116 fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6));
1117 fm801_readw(chip, CODEC_CTRL); /* flush posting data */
b1e9ed26 1118 udelay(100);
215dacc2 1119 fm801_writew(chip, CODEC_CTRL, 0);
b1e9ed26 1120
b56fa687
AS		 1121 return wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750));
1122}
1123
1124static void snd_fm801_chip_multichannel_init(struct fm801 *chip)
1125{
1126 unsigned short cmdw;
b1e9ed26
TI		 1127
1128 if (chip->multichannel) {
1129 if (chip->secondary_addr) {
1130 wait_for_codec(chip, chip->secondary_addr,
1131 AC97_VENDOR_ID1, msecs_to_jiffies(50));
1132 } else {
1133 /* my card has the secondary codec */
1134 /* at address #3, so the loop is inverted */
58e4334e
HH		 1135 int i;
1136 for (i = 3; i > 0; i--) {
1137 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
b1e9ed26 1138 msecs_to_jiffies(50))) {
215dacc2 1139 cmdw = fm801_readw(chip, AC97_DATA);
b1e9ed26
TI		 1140 if (cmdw != 0xffff && cmdw != 0) {
1141 chip->secondary = 1;
58e4334e 1142 chip->secondary_addr = i;
b1e9ed26
TI		 1143 break;
1144 }
1145 }
1146 }
1147 }
1148
1149 /* the recovery phase, it seems that probing for non-existing codec might */
1150 /* cause timeout problems */
1151 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1152 }
b56fa687 1153}
b1e9ed26 1154
b56fa687
AS		 1155static void snd_fm801_chip_init(struct fm801 *chip)
1156{
1157 unsigned short cmdw;
6bbe13ec 1158
b1e9ed26 1159 /* init volume */
215dacc2
AS		 1160 fm801_writew(chip, PCM_VOL, 0x0808);
1161 fm801_writew(chip, FM_VOL, 0x9f1f);
1162 fm801_writew(chip, I2S_VOL, 0x8808);
b1e9ed26
TI		 1163
1164 /* I2S control - I2S mode */
215dacc2 1165 fm801_writew(chip, I2S_MODE, 0x0003);
b1e9ed26 1166
6bbe13ec 1167 /* interrupt setup */
215dacc2 1168 cmdw = fm801_readw(chip, IRQ_MASK);
6bbe13ec
JK		 1169 if (chip->irq < 0)
1170 cmdw |= 0x00c3; /* mask everything, no PCM nor MPU */
1171 else
1172 cmdw &= ~0x0083; /* unmask MPU, PLAYBACK & CAPTURE */
215dacc2 1173 fm801_writew(chip, IRQ_MASK, cmdw);
b1e9ed26
TI		 1174
1175 /* interrupt clear */
215dacc2
AS		 1176 fm801_writew(chip, IRQ_STATUS,
1177 FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU);
b1e9ed26
TI		 1178}
1179
a5f22156 1180static int snd_fm801_free(struct fm801 *chip)
1da177e4
LT		 1181{
1182 unsigned short cmdw;
1183
1184 if (chip->irq < 0)
1185 goto __end_hw;
1186
1187 /* interrupt setup - mask everything */
215dacc2 1188 cmdw = fm801_readw(chip, IRQ_MASK);
1da177e4 1189 cmdw |= 0x00c3;
215dacc2 1190 fm801_writew(chip, IRQ_MASK, cmdw);
1da177e4 1191
d3d33aab 1192 devm_free_irq(chip->dev, chip->irq, chip);
e97e98c6 1193
1da177e4 1194 __end_hw:
fdb62b50 1195#ifdef CONFIG_SND_FM801_TEA575X_BOOL
d4ecc83b 1196 if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
c37279b9 1197 snd_tea575x_exit(&chip->tea);
d4ecc83b
HV		 1198 v4l2_device_unregister(&chip->v4l2_dev);
1199 }
1da177e4 1200#endif
1da177e4
LT		 1201 return 0;
1202}
1203
a5f22156 1204static int snd_fm801_dev_free(struct snd_device *device)
1da177e4 1205{
a5f22156 1206 struct fm801 *chip = device->device_data;
1da177e4
LT		 1207 return snd_fm801_free(chip);
1208}
1209
e23e7a14
BP		 1210static int snd_fm801_create(struct snd_card *card,
1211 struct pci_dev *pci,
1212 int tea575x_tuner,
1213 int radio_nr,
1214 struct fm801 **rchip)
1da177e4 1215{
a5f22156 1216 struct fm801 *chip;
1da177e4 1217 int err;
efb0ad25 1218 static const struct snd_device_ops ops = {
1da177e4
LT		 1219 .dev_free = snd_fm801_dev_free,
1220 };
1221
1222 *rchip = NULL;
68f441ab
TI		 1223 err = pcim_enable_device(pci);
1224 if (err < 0)
1da177e4 1225 return err;
5618955c
AS		 1226 chip = devm_kzalloc(&pci->dev, sizeof(*chip), GFP_KERNEL);
1227 if (chip == NULL)
1da177e4 1228 return -ENOMEM;
1da177e4
LT		 1229 spin_lock_init(&chip->reg_lock);
1230 chip->card = card;
d3d33aab 1231 chip->dev = &pci->dev;
1da177e4 1232 chip->irq = -1;
6bbe13ec 1233 chip->tea575x_tuner = tea575x_tuner;
68f441ab
TI		 1234 err = pci_request_regions(pci, "FM801");
1235 if (err < 0)
1da177e4 1236 return err;
1da177e4 1237 chip->port = pci_resource_start(pci, 0);
b56fa687
AS		 1238
1239 if (pci->revision >= 0xb1) /* FM801-AU */
1240 chip->multichannel = 1;
1241
1242 if (!(chip->tea575x_tuner & TUNER_ONLY)) {
1243 if (reset_codec(chip) < 0) {
1244 dev_info(chip->card->dev,
1245 "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n");
1246 chip->tea575x_tuner = 3 | TUNER_ONLY;
1247 } else {
1248 snd_fm801_chip_multichannel_init(chip);
1249 }
1250 }
1251
b56fa687 1252 if ((chip->tea575x_tuner & TUNER_ONLY) == 0) {
5618955c
AS		 1253 if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt,
1254 IRQF_SHARED, KBUILD_MODNAME, chip)) {
1255 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
6bbe13ec
JK		 1256 snd_fm801_free(chip);
1257 return -EBUSY;
1258 }
1259 chip->irq = pci->irq;
e41dbd20 1260 card->sync_irq = chip->irq;
6bbe13ec 1261 pci_set_master(pci);
1da177e4 1262 }
1da177e4 1263
610e1ae9
AS		 1264 snd_fm801_chip_init(chip);
1265
68f441ab
TI		 1266 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
1267 if (err < 0) {
1da177e4
LT		 1268 snd_fm801_free(chip);
1269 return err;
1270 }
1271
fdb62b50 1272#ifdef CONFIG_SND_FM801_TEA575X_BOOL
d4ecc83b
HV		 1273 err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1274 if (err < 0) {
1275 snd_fm801_free(chip);
1276 return err;
1277 }
1278 chip->tea.v4l2_dev = &chip->v4l2_dev;
1279 chip->tea.radio_nr = radio_nr;
d7ba858a
OZ		 1280 chip->tea.private_data = chip;
1281 chip->tea.ops = &snd_fm801_tea_ops;
10ca7201 1282 sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
b56fa687
AS		 1283 if ((chip->tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1284 (chip->tea575x_tuner & TUNER_TYPE_MASK) < 4) {
5daf53a6 1285 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
9c7f9abf 1286 dev_err(card->dev, "TEA575x radio not found\n");
d4ecc83b 1287 snd_fm801_free(chip);
96760015
DC		 1288 return -ENODEV;
1289 }
b56fa687
AS		 1290 } else if ((chip->tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1291 unsigned int tuner_only = chip->tea575x_tuner & TUNER_ONLY;
dbec6719 1292
d7ba858a
OZ		 1293 /* autodetect tuner connection */
1294 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1295 chip->tea575x_tuner = tea575x_tuner;
5daf53a6 1296 if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
9c7f9abf
TI		 1297 dev_info(card->dev,
1298 "detected TEA575x radio type %s\n",
8e699d2c 1299 get_tea575x_gpio(chip)->name);
d7ba858a
OZ		 1300 break;
1301 }
1302 }
96760015 1303 if (tea575x_tuner == 4) {
9c7f9abf 1304 dev_err(card->dev, "TEA575x radio not found\n");
c37279b9 1305 chip->tea575x_tuner = TUNER_DISABLED;
96760015 1306 }
dbec6719
AS		 1307
1308 chip->tea575x_tuner |= tuner_only;
96760015 1309 }
c37279b9 1310 if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
75b1a8f9 1311 strscpy(chip->tea.card, get_tea575x_gpio(chip)->name,
c37279b9
BH		 1312 sizeof(chip->tea.card));
1313 }
1da177e4
LT		 1314#endif
1315
1316 *rchip = chip;
1317 return 0;
1318}
1319
e23e7a14
BP		 1320static int snd_card_fm801_probe(struct pci_dev *pci,
1321 const struct pci_device_id *pci_id)
1da177e4
LT		 1322{
1323 static int dev;
a5f22156
TI		 1324 struct snd_card *card;
1325 struct fm801 *chip;
1326 struct snd_opl3 *opl3;
1da177e4
LT		 1327 int err;
1328
1329 if (dev >= SNDRV_CARDS)
1330 return -ENODEV;
1331 if (!enable[dev]) {
1332 dev++;
1333 return -ENOENT;
1334 }
1335
60c5772b
TI		 1336 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1337 0, &card);
e58de7ba
TI		 1338 if (err < 0)
1339 return err;
68f441ab
TI		 1340 err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip);
1341 if (err < 0) {
1da177e4
LT		 1342 snd_card_free(card);
1343 return err;
1344 }
b1e9ed26 1345 card->private_data = chip;
1da177e4
LT		 1346
1347 strcpy(card->driver, "FM801");
1348 strcpy(card->shortname, "ForteMedia FM801-");
1349 strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1350 sprintf(card->longname, "%s at 0x%lx, irq %i",
1351 card->shortname, chip->port, chip->irq);
1352
fb716c0b 1353 if (chip->tea575x_tuner & TUNER_ONLY)
e0a5d82a
AS		 1354 goto __fm801_tuner_only;
1355
68f441ab
TI		 1356 err = snd_fm801_pcm(chip, 0);
1357 if (err < 0) {
1da177e4
LT		 1358 snd_card_free(card);
1359 return err;
1360 }
68f441ab
TI		 1361 err = snd_fm801_mixer(chip);
1362 if (err < 0) {
1da177e4
LT		 1363 snd_card_free(card);
1364 return err;
1365 }
68f441ab
TI		 1366 err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1367 chip->port + FM801_MPU401_DATA,
1368 MPU401_INFO_INTEGRATED |
1369 MPU401_INFO_IRQ_HOOK,
1370 -1, &chip->rmidi);
1371 if (err < 0) {
1da177e4
LT		 1372 snd_card_free(card);
1373 return err;
1374 }
68f441ab
TI		 1375 err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0,
1376 chip->port + FM801_OPL3_BANK1,
1377 OPL3_HW_OPL3_FM801, 1, &opl3);
1378 if (err < 0) {
1da177e4
LT		 1379 snd_card_free(card);
1380 return err;
1381 }
68f441ab
TI		 1382 err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
1383 if (err < 0) {
1da177e4
LT		 1384 snd_card_free(card);
1385 return err;
1386 }
1387
e0a5d82a 1388 __fm801_tuner_only:
68f441ab
TI		 1389 err = snd_card_register(card);
1390 if (err < 0) {
1da177e4
LT		 1391 snd_card_free(card);
1392 return err;
1393 }
1394 pci_set_drvdata(pci, card);
1395 dev++;
1396 return 0;
1397}
1398
e23e7a14 1399static void snd_card_fm801_remove(struct pci_dev *pci)
1da177e4
LT		 1400{
1401 snd_card_free(pci_get_drvdata(pci));
1da177e4
LT		 1402}
1403
c7561cd8 1404#ifdef CONFIG_PM_SLEEP
8045d0fc 1405static const unsigned char saved_regs[] = {
b1e9ed26
TI		 1406 FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1407 FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1408 FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1409 FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1410};
1411
68cb2b55 1412static int snd_fm801_suspend(struct device *dev)
b1e9ed26 1413{
68cb2b55 1414 struct snd_card *card = dev_get_drvdata(dev);
b1e9ed26
TI		 1415 struct fm801 *chip = card->private_data;
1416 int i;
1417
1418 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
14da04b5 1419
b1e9ed26 1420 for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
37ba8fca
AS		 1421 chip->saved_regs[i] = fm801_ioread16(chip, saved_regs[i]);
1422
14da04b5
AS		 1423 if (chip->tea575x_tuner & TUNER_ONLY) {
1424 /* FIXME: tea575x suspend */
1425 } else {
14da04b5
AS		 1426 snd_ac97_suspend(chip->ac97);
1427 snd_ac97_suspend(chip->ac97_sec);
1428 }
1429
b1e9ed26
TI		 1430 return 0;
1431}
1432
68cb2b55 1433static int snd_fm801_resume(struct device *dev)
b1e9ed26 1434{
68cb2b55 1435 struct snd_card *card = dev_get_drvdata(dev);
b1e9ed26
TI		 1436 struct fm801 *chip = card->private_data;
1437 int i;
1438
b56fa687
AS		 1439 if (chip->tea575x_tuner & TUNER_ONLY) {
1440 snd_fm801_chip_init(chip);
1441 } else {
1442 reset_codec(chip);
1443 snd_fm801_chip_multichannel_init(chip);
1444 snd_fm801_chip_init(chip);
14da04b5
AS		 1445 snd_ac97_resume(chip->ac97);
1446 snd_ac97_resume(chip->ac97_sec);
b56fa687 1447 }
14da04b5 1448
b1e9ed26 1449 for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
4b5c15f7 1450 fm801_iowrite16(chip, saved_regs[i], chip->saved_regs[i]);
b1e9ed26 1451
cb41f271
AS		 1452#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1453 if (!(chip->tea575x_tuner & TUNER_DISABLED))
1454 snd_tea575x_set_freq(&chip->tea);
1455#endif
b1e9ed26
TI		 1456
1457 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1458 return 0;
1459}
68cb2b55
TI		 1460
1461static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1462#define SND_FM801_PM_OPS &snd_fm801_pm
1463#else
1464#define SND_FM801_PM_OPS NULL
c7561cd8 1465#endif /* CONFIG_PM_SLEEP */
b1e9ed26 1466
e9f66d9b 1467static struct pci_driver fm801_driver = {
3733e424 1468 .name = KBUILD_MODNAME,
1da177e4
LT		 1469 .id_table = snd_fm801_ids,
1470 .probe = snd_card_fm801_probe,
e23e7a14 1471 .remove = snd_card_fm801_remove,
68cb2b55
TI		 1472 .driver = {
1473 .pm = SND_FM801_PM_OPS,
1474 },
1da177e4
LT		 1475};
1476
e9f66d9b 1477module_pci_driver(fm801_driver);
Linux 6.x block layer and io_uring tree(s)