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IRQ: Maintain regs pointer globally rather than passing to IRQ handlers
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / sound / pci / maestro3.c
1 /*
2 * Driver for ESS Maestro3/Allegro (ES1988) soundcards.
3 * Copyright (c) 2000 by Zach Brown <zab@zabbo.net>
4 * Takashi Iwai <tiwai@suse.de>
5 *
6 * Most of the hardware init stuffs are based on maestro3 driver for
7 * OSS/Free by Zach Brown. Many thanks to Zach!
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 *
24 * ChangeLog:
25 * Aug. 27, 2001
26 * - Fixed deadlock on capture
27 * - Added Canyon3D-2 support by Rob Riggs <rob@pangalactic.org>
28 *
29 */
30
31 #define CARD_NAME "ESS Maestro3/Allegro/Canyon3D-2"
32 #define DRIVER_NAME "Maestro3"
33
34 #include <sound/driver.h>
35 #include <asm/io.h>
36 #include <linux/delay.h>
37 #include <linux/interrupt.h>
38 #include <linux/init.h>
39 #include <linux/pci.h>
40 #include <linux/dma-mapping.h>
41 #include <linux/slab.h>
42 #include <linux/vmalloc.h>
43 #include <linux/moduleparam.h>
44 #include <sound/core.h>
45 #include <sound/info.h>
46 #include <sound/control.h>
47 #include <sound/pcm.h>
48 #include <sound/mpu401.h>
49 #include <sound/ac97_codec.h>
50 #include <sound/initval.h>
51
52 MODULE_AUTHOR("Zach Brown <zab@zabbo.net>, Takashi Iwai <tiwai@suse.de>");
53 MODULE_DESCRIPTION("ESS Maestro3 PCI");
54 MODULE_LICENSE("GPL");
55 MODULE_SUPPORTED_DEVICE("{{ESS,Maestro3 PCI},"
56 "{ESS,ES1988},"
57 "{ESS,Allegro PCI},"
58 "{ESS,Allegro-1 PCI},"
59 "{ESS,Canyon3D-2/LE PCI}}");
60
61 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
62 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
63 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* all enabled */
64 static int external_amp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
65 static int amp_gpio[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
66
67 module_param_array(index, int, NULL, 0444);
68 MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard.");
69 module_param_array(id, charp, NULL, 0444);
70 MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard.");
71 module_param_array(enable, bool, NULL, 0444);
72 MODULE_PARM_DESC(enable, "Enable this soundcard.");
73 module_param_array(external_amp, bool, NULL, 0444);
74 MODULE_PARM_DESC(external_amp, "Enable external amp for " CARD_NAME " soundcard.");
75 module_param_array(amp_gpio, int, NULL, 0444);
76 MODULE_PARM_DESC(amp_gpio, "GPIO pin number for external amp. (default = -1)");
77
78 #define MAX_PLAYBACKS 2
79 #define MAX_CAPTURES 1
80 #define NR_DSPS (MAX_PLAYBACKS + MAX_CAPTURES)
81
82
83 /*
84 * maestro3 registers
85 */
86
87 /* Allegro PCI configuration registers */
88 #define PCI_LEGACY_AUDIO_CTRL 0x40
89 #define SOUND_BLASTER_ENABLE 0x00000001
90 #define FM_SYNTHESIS_ENABLE 0x00000002
91 #define GAME_PORT_ENABLE 0x00000004
92 #define MPU401_IO_ENABLE 0x00000008
93 #define MPU401_IRQ_ENABLE 0x00000010
94 #define ALIAS_10BIT_IO 0x00000020
95 #define SB_DMA_MASK 0x000000C0
96 #define SB_DMA_0 0x00000040
97 #define SB_DMA_1 0x00000040
98 #define SB_DMA_R 0x00000080
99 #define SB_DMA_3 0x000000C0
100 #define SB_IRQ_MASK 0x00000700
101 #define SB_IRQ_5 0x00000000
102 #define SB_IRQ_7 0x00000100
103 #define SB_IRQ_9 0x00000200
104 #define SB_IRQ_10 0x00000300
105 #define MIDI_IRQ_MASK 0x00003800
106 #define SERIAL_IRQ_ENABLE 0x00004000
107 #define DISABLE_LEGACY 0x00008000
108
109 #define PCI_ALLEGRO_CONFIG 0x50
110 #define SB_ADDR_240 0x00000004
111 #define MPU_ADDR_MASK 0x00000018
112 #define MPU_ADDR_330 0x00000000
113 #define MPU_ADDR_300 0x00000008
114 #define MPU_ADDR_320 0x00000010
115 #define MPU_ADDR_340 0x00000018
116 #define USE_PCI_TIMING 0x00000040
117 #define POSTED_WRITE_ENABLE 0x00000080
118 #define DMA_POLICY_MASK 0x00000700
119 #define DMA_DDMA 0x00000000
120 #define DMA_TDMA 0x00000100
121 #define DMA_PCPCI 0x00000200
122 #define DMA_WBDMA16 0x00000400
123 #define DMA_WBDMA4 0x00000500
124 #define DMA_WBDMA2 0x00000600
125 #define DMA_WBDMA1 0x00000700
126 #define DMA_SAFE_GUARD 0x00000800
127 #define HI_PERF_GP_ENABLE 0x00001000
128 #define PIC_SNOOP_MODE_0 0x00002000
129 #define PIC_SNOOP_MODE_1 0x00004000
130 #define SOUNDBLASTER_IRQ_MASK 0x00008000
131 #define RING_IN_ENABLE 0x00010000
132 #define SPDIF_TEST_MODE 0x00020000
133 #define CLK_MULT_MODE_SELECT_2 0x00040000
134 #define EEPROM_WRITE_ENABLE 0x00080000
135 #define CODEC_DIR_IN 0x00100000
136 #define HV_BUTTON_FROM_GD 0x00200000
137 #define REDUCED_DEBOUNCE 0x00400000
138 #define HV_CTRL_ENABLE 0x00800000
139 #define SPDIF_ENABLE 0x01000000
140 #define CLK_DIV_SELECT 0x06000000
141 #define CLK_DIV_BY_48 0x00000000
142 #define CLK_DIV_BY_49 0x02000000
143 #define CLK_DIV_BY_50 0x04000000
144 #define CLK_DIV_RESERVED 0x06000000
145 #define PM_CTRL_ENABLE 0x08000000
146 #define CLK_MULT_MODE_SELECT 0x30000000
147 #define CLK_MULT_MODE_SHIFT 28
148 #define CLK_MULT_MODE_0 0x00000000
149 #define CLK_MULT_MODE_1 0x10000000
150 #define CLK_MULT_MODE_2 0x20000000
151 #define CLK_MULT_MODE_3 0x30000000
152 #define INT_CLK_SELECT 0x40000000
153 #define INT_CLK_MULT_RESET 0x80000000
154
155 /* M3 */
156 #define INT_CLK_SRC_NOT_PCI 0x00100000
157 #define INT_CLK_MULT_ENABLE 0x80000000
158
159 #define PCI_ACPI_CONTROL 0x54
160 #define PCI_ACPI_D0 0x00000000
161 #define PCI_ACPI_D1 0xB4F70000
162 #define PCI_ACPI_D2 0xB4F7B4F7
163
164 #define PCI_USER_CONFIG 0x58
165 #define EXT_PCI_MASTER_ENABLE 0x00000001
166 #define SPDIF_OUT_SELECT 0x00000002
167 #define TEST_PIN_DIR_CTRL 0x00000004
168 #define AC97_CODEC_TEST 0x00000020
169 #define TRI_STATE_BUFFER 0x00000080
170 #define IN_CLK_12MHZ_SELECT 0x00000100
171 #define MULTI_FUNC_DISABLE 0x00000200
172 #define EXT_MASTER_PAIR_SEL 0x00000400
173 #define PCI_MASTER_SUPPORT 0x00000800
174 #define STOP_CLOCK_ENABLE 0x00001000
175 #define EAPD_DRIVE_ENABLE 0x00002000
176 #define REQ_TRI_STATE_ENABLE 0x00004000
177 #define REQ_LOW_ENABLE 0x00008000
178 #define MIDI_1_ENABLE 0x00010000
179 #define MIDI_2_ENABLE 0x00020000
180 #define SB_AUDIO_SYNC 0x00040000
181 #define HV_CTRL_TEST 0x00100000
182 #define SOUNDBLASTER_TEST 0x00400000
183
184 #define PCI_USER_CONFIG_C 0x5C
185
186 #define PCI_DDMA_CTRL 0x60
187 #define DDMA_ENABLE 0x00000001
188
189
190 /* Allegro registers */
191 #define HOST_INT_CTRL 0x18
192 #define SB_INT_ENABLE 0x0001
193 #define MPU401_INT_ENABLE 0x0002
194 #define ASSP_INT_ENABLE 0x0010
195 #define RING_INT_ENABLE 0x0020
196 #define HV_INT_ENABLE 0x0040
197 #define CLKRUN_GEN_ENABLE 0x0100
198 #define HV_CTRL_TO_PME 0x0400
199 #define SOFTWARE_RESET_ENABLE 0x8000
200
201 /*
202 * should be using the above defines, probably.
203 */
204 #define REGB_ENABLE_RESET 0x01
205 #define REGB_STOP_CLOCK 0x10
206
207 #define HOST_INT_STATUS 0x1A
208 #define SB_INT_PENDING 0x01
209 #define MPU401_INT_PENDING 0x02
210 #define ASSP_INT_PENDING 0x10
211 #define RING_INT_PENDING 0x20
212 #define HV_INT_PENDING 0x40
213
214 #define HARDWARE_VOL_CTRL 0x1B
215 #define SHADOW_MIX_REG_VOICE 0x1C
216 #define HW_VOL_COUNTER_VOICE 0x1D
217 #define SHADOW_MIX_REG_MASTER 0x1E
218 #define HW_VOL_COUNTER_MASTER 0x1F
219
220 #define CODEC_COMMAND 0x30
221 #define CODEC_READ_B 0x80
222
223 #define CODEC_STATUS 0x30
224 #define CODEC_BUSY_B 0x01
225
226 #define CODEC_DATA 0x32
227
228 #define RING_BUS_CTRL_A 0x36
229 #define RAC_PME_ENABLE 0x0100
230 #define RAC_SDFS_ENABLE 0x0200
231 #define LAC_PME_ENABLE 0x0400
232 #define LAC_SDFS_ENABLE 0x0800
233 #define SERIAL_AC_LINK_ENABLE 0x1000
234 #define IO_SRAM_ENABLE 0x2000
235 #define IIS_INPUT_ENABLE 0x8000
236
237 #define RING_BUS_CTRL_B 0x38
238 #define SECOND_CODEC_ID_MASK 0x0003
239 #define SPDIF_FUNC_ENABLE 0x0010
240 #define SECOND_AC_ENABLE 0x0020
241 #define SB_MODULE_INTF_ENABLE 0x0040
242 #define SSPE_ENABLE 0x0040
243 #define M3I_DOCK_ENABLE 0x0080
244
245 #define SDO_OUT_DEST_CTRL 0x3A
246 #define COMMAND_ADDR_OUT 0x0003
247 #define PCM_LR_OUT_LOCAL 0x0000
248 #define PCM_LR_OUT_REMOTE 0x0004
249 #define PCM_LR_OUT_MUTE 0x0008
250 #define PCM_LR_OUT_BOTH 0x000C
251 #define LINE1_DAC_OUT_LOCAL 0x0000
252 #define LINE1_DAC_OUT_REMOTE 0x0010
253 #define LINE1_DAC_OUT_MUTE 0x0020
254 #define LINE1_DAC_OUT_BOTH 0x0030
255 #define PCM_CLS_OUT_LOCAL 0x0000
256 #define PCM_CLS_OUT_REMOTE 0x0040
257 #define PCM_CLS_OUT_MUTE 0x0080
258 #define PCM_CLS_OUT_BOTH 0x00C0
259 #define PCM_RLF_OUT_LOCAL 0x0000
260 #define PCM_RLF_OUT_REMOTE 0x0100
261 #define PCM_RLF_OUT_MUTE 0x0200
262 #define PCM_RLF_OUT_BOTH 0x0300
263 #define LINE2_DAC_OUT_LOCAL 0x0000
264 #define LINE2_DAC_OUT_REMOTE 0x0400
265 #define LINE2_DAC_OUT_MUTE 0x0800
266 #define LINE2_DAC_OUT_BOTH 0x0C00
267 #define HANDSET_OUT_LOCAL 0x0000
268 #define HANDSET_OUT_REMOTE 0x1000
269 #define HANDSET_OUT_MUTE 0x2000
270 #define HANDSET_OUT_BOTH 0x3000
271 #define IO_CTRL_OUT_LOCAL 0x0000
272 #define IO_CTRL_OUT_REMOTE 0x4000
273 #define IO_CTRL_OUT_MUTE 0x8000
274 #define IO_CTRL_OUT_BOTH 0xC000
275
276 #define SDO_IN_DEST_CTRL 0x3C
277 #define STATUS_ADDR_IN 0x0003
278 #define PCM_LR_IN_LOCAL 0x0000
279 #define PCM_LR_IN_REMOTE 0x0004
280 #define PCM_LR_RESERVED 0x0008
281 #define PCM_LR_IN_BOTH 0x000C
282 #define LINE1_ADC_IN_LOCAL 0x0000
283 #define LINE1_ADC_IN_REMOTE 0x0010
284 #define LINE1_ADC_IN_MUTE 0x0020
285 #define MIC_ADC_IN_LOCAL 0x0000
286 #define MIC_ADC_IN_REMOTE 0x0040
287 #define MIC_ADC_IN_MUTE 0x0080
288 #define LINE2_DAC_IN_LOCAL 0x0000
289 #define LINE2_DAC_IN_REMOTE 0x0400
290 #define LINE2_DAC_IN_MUTE 0x0800
291 #define HANDSET_IN_LOCAL 0x0000
292 #define HANDSET_IN_REMOTE 0x1000
293 #define HANDSET_IN_MUTE 0x2000
294 #define IO_STATUS_IN_LOCAL 0x0000
295 #define IO_STATUS_IN_REMOTE 0x4000
296
297 #define SPDIF_IN_CTRL 0x3E
298 #define SPDIF_IN_ENABLE 0x0001
299
300 #define GPIO_DATA 0x60
301 #define GPIO_DATA_MASK 0x0FFF
302 #define GPIO_HV_STATUS 0x3000
303 #define GPIO_PME_STATUS 0x4000
304
305 #define GPIO_MASK 0x64
306 #define GPIO_DIRECTION 0x68
307 #define GPO_PRIMARY_AC97 0x0001
308 #define GPI_LINEOUT_SENSE 0x0004
309 #define GPO_SECONDARY_AC97 0x0008
310 #define GPI_VOL_DOWN 0x0010
311 #define GPI_VOL_UP 0x0020
312 #define GPI_IIS_CLK 0x0040
313 #define GPI_IIS_LRCLK 0x0080
314 #define GPI_IIS_DATA 0x0100
315 #define GPI_DOCKING_STATUS 0x0100
316 #define GPI_HEADPHONE_SENSE 0x0200
317 #define GPO_EXT_AMP_SHUTDOWN 0x1000
318
319 #define GPO_EXT_AMP_M3 1 /* default m3 amp */
320 #define GPO_EXT_AMP_ALLEGRO 8 /* default allegro amp */
321
322 /* M3 */
323 #define GPO_M3_EXT_AMP_SHUTDN 0x0002
324
325 #define ASSP_INDEX_PORT 0x80
326 #define ASSP_MEMORY_PORT 0x82
327 #define ASSP_DATA_PORT 0x84
328
329 #define MPU401_DATA_PORT 0x98
330 #define MPU401_STATUS_PORT 0x99
331
332 #define CLK_MULT_DATA_PORT 0x9C
333
334 #define ASSP_CONTROL_A 0xA2
335 #define ASSP_0_WS_ENABLE 0x01
336 #define ASSP_CTRL_A_RESERVED1 0x02
337 #define ASSP_CTRL_A_RESERVED2 0x04
338 #define ASSP_CLK_49MHZ_SELECT 0x08
339 #define FAST_PLU_ENABLE 0x10
340 #define ASSP_CTRL_A_RESERVED3 0x20
341 #define DSP_CLK_36MHZ_SELECT 0x40
342
343 #define ASSP_CONTROL_B 0xA4
344 #define RESET_ASSP 0x00
345 #define RUN_ASSP 0x01
346 #define ENABLE_ASSP_CLOCK 0x00
347 #define STOP_ASSP_CLOCK 0x10
348 #define RESET_TOGGLE 0x40
349
350 #define ASSP_CONTROL_C 0xA6
351 #define ASSP_HOST_INT_ENABLE 0x01
352 #define FM_ADDR_REMAP_DISABLE 0x02
353 #define HOST_WRITE_PORT_ENABLE 0x08
354
355 #define ASSP_HOST_INT_STATUS 0xAC
356 #define DSP2HOST_REQ_PIORECORD 0x01
357 #define DSP2HOST_REQ_I2SRATE 0x02
358 #define DSP2HOST_REQ_TIMER 0x04
359
360 /* AC97 registers */
361 /* XXX fix this crap up */
362 /*#define AC97_RESET 0x00*/
363
364 #define AC97_VOL_MUTE_B 0x8000
365 #define AC97_VOL_M 0x1F
366 #define AC97_LEFT_VOL_S 8
367
368 #define AC97_MASTER_VOL 0x02
369 #define AC97_LINE_LEVEL_VOL 0x04
370 #define AC97_MASTER_MONO_VOL 0x06
371 #define AC97_PC_BEEP_VOL 0x0A
372 #define AC97_PC_BEEP_VOL_M 0x0F
373 #define AC97_SROUND_MASTER_VOL 0x38
374 #define AC97_PC_BEEP_VOL_S 1
375
376 /*#define AC97_PHONE_VOL 0x0C
377 #define AC97_MIC_VOL 0x0E*/
378 #define AC97_MIC_20DB_ENABLE 0x40
379
380 /*#define AC97_LINEIN_VOL 0x10
381 #define AC97_CD_VOL 0x12
382 #define AC97_VIDEO_VOL 0x14
383 #define AC97_AUX_VOL 0x16*/
384 #define AC97_PCM_OUT_VOL 0x18
385 /*#define AC97_RECORD_SELECT 0x1A*/
386 #define AC97_RECORD_MIC 0x00
387 #define AC97_RECORD_CD 0x01
388 #define AC97_RECORD_VIDEO 0x02
389 #define AC97_RECORD_AUX 0x03
390 #define AC97_RECORD_MONO_MUX 0x02
391 #define AC97_RECORD_DIGITAL 0x03
392 #define AC97_RECORD_LINE 0x04
393 #define AC97_RECORD_STEREO 0x05
394 #define AC97_RECORD_MONO 0x06
395 #define AC97_RECORD_PHONE 0x07
396
397 /*#define AC97_RECORD_GAIN 0x1C*/
398 #define AC97_RECORD_VOL_M 0x0F
399
400 /*#define AC97_GENERAL_PURPOSE 0x20*/
401 #define AC97_POWER_DOWN_CTRL 0x26
402 #define AC97_ADC_READY 0x0001
403 #define AC97_DAC_READY 0x0002
404 #define AC97_ANALOG_READY 0x0004
405 #define AC97_VREF_ON 0x0008
406 #define AC97_PR0 0x0100
407 #define AC97_PR1 0x0200
408 #define AC97_PR2 0x0400
409 #define AC97_PR3 0x0800
410 #define AC97_PR4 0x1000
411
412 #define AC97_RESERVED1 0x28
413
414 #define AC97_VENDOR_TEST 0x5A
415
416 #define AC97_CLOCK_DELAY 0x5C
417 #define AC97_LINEOUT_MUX_SEL 0x0001
418 #define AC97_MONO_MUX_SEL 0x0002
419 #define AC97_CLOCK_DELAY_SEL 0x1F
420 #define AC97_DAC_CDS_SHIFT 6
421 #define AC97_ADC_CDS_SHIFT 11
422
423 #define AC97_MULTI_CHANNEL_SEL 0x74
424
425 /*#define AC97_VENDOR_ID1 0x7C
426 #define AC97_VENDOR_ID2 0x7E*/
427
428 /*
429 * ASSP control regs
430 */
431 #define DSP_PORT_TIMER_COUNT 0x06
432
433 #define DSP_PORT_MEMORY_INDEX 0x80
434
435 #define DSP_PORT_MEMORY_TYPE 0x82
436 #define MEMTYPE_INTERNAL_CODE 0x0002
437 #define MEMTYPE_INTERNAL_DATA 0x0003
438 #define MEMTYPE_MASK 0x0003
439
440 #define DSP_PORT_MEMORY_DATA 0x84
441
442 #define DSP_PORT_CONTROL_REG_A 0xA2
443 #define DSP_PORT_CONTROL_REG_B 0xA4
444 #define DSP_PORT_CONTROL_REG_C 0xA6
445
446 #define REV_A_CODE_MEMORY_BEGIN 0x0000
447 #define REV_A_CODE_MEMORY_END 0x0FFF
448 #define REV_A_CODE_MEMORY_UNIT_LENGTH 0x0040
449 #define REV_A_CODE_MEMORY_LENGTH (REV_A_CODE_MEMORY_END - REV_A_CODE_MEMORY_BEGIN + 1)
450
451 #define REV_B_CODE_MEMORY_BEGIN 0x0000
452 #define REV_B_CODE_MEMORY_END 0x0BFF
453 #define REV_B_CODE_MEMORY_UNIT_LENGTH 0x0040
454 #define REV_B_CODE_MEMORY_LENGTH (REV_B_CODE_MEMORY_END - REV_B_CODE_MEMORY_BEGIN + 1)
455
456 #define REV_A_DATA_MEMORY_BEGIN 0x1000
457 #define REV_A_DATA_MEMORY_END 0x2FFF
458 #define REV_A_DATA_MEMORY_UNIT_LENGTH 0x0080
459 #define REV_A_DATA_MEMORY_LENGTH (REV_A_DATA_MEMORY_END - REV_A_DATA_MEMORY_BEGIN + 1)
460
461 #define REV_B_DATA_MEMORY_BEGIN 0x1000
462 #define REV_B_DATA_MEMORY_END 0x2BFF
463 #define REV_B_DATA_MEMORY_UNIT_LENGTH 0x0080
464 #define REV_B_DATA_MEMORY_LENGTH (REV_B_DATA_MEMORY_END - REV_B_DATA_MEMORY_BEGIN + 1)
465
466
467 #define NUM_UNITS_KERNEL_CODE 16
468 #define NUM_UNITS_KERNEL_DATA 2
469
470 #define NUM_UNITS_KERNEL_CODE_WITH_HSP 16
471 #define NUM_UNITS_KERNEL_DATA_WITH_HSP 5
472
473 /*
474 * Kernel data layout
475 */
476
477 #define DP_SHIFT_COUNT 7
478
479 #define KDATA_BASE_ADDR 0x1000
480 #define KDATA_BASE_ADDR2 0x1080
481
482 #define KDATA_TASK0 (KDATA_BASE_ADDR + 0x0000)
483 #define KDATA_TASK1 (KDATA_BASE_ADDR + 0x0001)
484 #define KDATA_TASK2 (KDATA_BASE_ADDR + 0x0002)
485 #define KDATA_TASK3 (KDATA_BASE_ADDR + 0x0003)
486 #define KDATA_TASK4 (KDATA_BASE_ADDR + 0x0004)
487 #define KDATA_TASK5 (KDATA_BASE_ADDR + 0x0005)
488 #define KDATA_TASK6 (KDATA_BASE_ADDR + 0x0006)
489 #define KDATA_TASK7 (KDATA_BASE_ADDR + 0x0007)
490 #define KDATA_TASK_ENDMARK (KDATA_BASE_ADDR + 0x0008)
491
492 #define KDATA_CURRENT_TASK (KDATA_BASE_ADDR + 0x0009)
493 #define KDATA_TASK_SWITCH (KDATA_BASE_ADDR + 0x000A)
494
495 #define KDATA_INSTANCE0_POS3D (KDATA_BASE_ADDR + 0x000B)
496 #define KDATA_INSTANCE1_POS3D (KDATA_BASE_ADDR + 0x000C)
497 #define KDATA_INSTANCE2_POS3D (KDATA_BASE_ADDR + 0x000D)
498 #define KDATA_INSTANCE3_POS3D (KDATA_BASE_ADDR + 0x000E)
499 #define KDATA_INSTANCE4_POS3D (KDATA_BASE_ADDR + 0x000F)
500 #define KDATA_INSTANCE5_POS3D (KDATA_BASE_ADDR + 0x0010)
501 #define KDATA_INSTANCE6_POS3D (KDATA_BASE_ADDR + 0x0011)
502 #define KDATA_INSTANCE7_POS3D (KDATA_BASE_ADDR + 0x0012)
503 #define KDATA_INSTANCE8_POS3D (KDATA_BASE_ADDR + 0x0013)
504 #define KDATA_INSTANCE_POS3D_ENDMARK (KDATA_BASE_ADDR + 0x0014)
505
506 #define KDATA_INSTANCE0_SPKVIRT (KDATA_BASE_ADDR + 0x0015)
507 #define KDATA_INSTANCE_SPKVIRT_ENDMARK (KDATA_BASE_ADDR + 0x0016)
508
509 #define KDATA_INSTANCE0_SPDIF (KDATA_BASE_ADDR + 0x0017)
510 #define KDATA_INSTANCE_SPDIF_ENDMARK (KDATA_BASE_ADDR + 0x0018)
511
512 #define KDATA_INSTANCE0_MODEM (KDATA_BASE_ADDR + 0x0019)
513 #define KDATA_INSTANCE_MODEM_ENDMARK (KDATA_BASE_ADDR + 0x001A)
514
515 #define KDATA_INSTANCE0_SRC (KDATA_BASE_ADDR + 0x001B)
516 #define KDATA_INSTANCE1_SRC (KDATA_BASE_ADDR + 0x001C)
517 #define KDATA_INSTANCE_SRC_ENDMARK (KDATA_BASE_ADDR + 0x001D)
518
519 #define KDATA_INSTANCE0_MINISRC (KDATA_BASE_ADDR + 0x001E)
520 #define KDATA_INSTANCE1_MINISRC (KDATA_BASE_ADDR + 0x001F)
521 #define KDATA_INSTANCE2_MINISRC (KDATA_BASE_ADDR + 0x0020)
522 #define KDATA_INSTANCE3_MINISRC (KDATA_BASE_ADDR + 0x0021)
523 #define KDATA_INSTANCE_MINISRC_ENDMARK (KDATA_BASE_ADDR + 0x0022)
524
525 #define KDATA_INSTANCE0_CPYTHRU (KDATA_BASE_ADDR + 0x0023)
526 #define KDATA_INSTANCE1_CPYTHRU (KDATA_BASE_ADDR + 0x0024)
527 #define KDATA_INSTANCE_CPYTHRU_ENDMARK (KDATA_BASE_ADDR + 0x0025)
528
529 #define KDATA_CURRENT_DMA (KDATA_BASE_ADDR + 0x0026)
530 #define KDATA_DMA_SWITCH (KDATA_BASE_ADDR + 0x0027)
531 #define KDATA_DMA_ACTIVE (KDATA_BASE_ADDR + 0x0028)
532
533 #define KDATA_DMA_XFER0 (KDATA_BASE_ADDR + 0x0029)
534 #define KDATA_DMA_XFER1 (KDATA_BASE_ADDR + 0x002A)
535 #define KDATA_DMA_XFER2 (KDATA_BASE_ADDR + 0x002B)
536 #define KDATA_DMA_XFER3 (KDATA_BASE_ADDR + 0x002C)
537 #define KDATA_DMA_XFER4 (KDATA_BASE_ADDR + 0x002D)
538 #define KDATA_DMA_XFER5 (KDATA_BASE_ADDR + 0x002E)
539 #define KDATA_DMA_XFER6 (KDATA_BASE_ADDR + 0x002F)
540 #define KDATA_DMA_XFER7 (KDATA_BASE_ADDR + 0x0030)
541 #define KDATA_DMA_XFER8 (KDATA_BASE_ADDR + 0x0031)
542 #define KDATA_DMA_XFER_ENDMARK (KDATA_BASE_ADDR + 0x0032)
543
544 #define KDATA_I2S_SAMPLE_COUNT (KDATA_BASE_ADDR + 0x0033)
545 #define KDATA_I2S_INT_METER (KDATA_BASE_ADDR + 0x0034)
546 #define KDATA_I2S_ACTIVE (KDATA_BASE_ADDR + 0x0035)
547
548 #define KDATA_TIMER_COUNT_RELOAD (KDATA_BASE_ADDR + 0x0036)
549 #define KDATA_TIMER_COUNT_CURRENT (KDATA_BASE_ADDR + 0x0037)
550
551 #define KDATA_HALT_SYNCH_CLIENT (KDATA_BASE_ADDR + 0x0038)
552 #define KDATA_HALT_SYNCH_DMA (KDATA_BASE_ADDR + 0x0039)
553 #define KDATA_HALT_ACKNOWLEDGE (KDATA_BASE_ADDR + 0x003A)
554
555 #define KDATA_ADC1_XFER0 (KDATA_BASE_ADDR + 0x003B)
556 #define KDATA_ADC1_XFER_ENDMARK (KDATA_BASE_ADDR + 0x003C)
557 #define KDATA_ADC1_LEFT_VOLUME (KDATA_BASE_ADDR + 0x003D)
558 #define KDATA_ADC1_RIGHT_VOLUME (KDATA_BASE_ADDR + 0x003E)
559 #define KDATA_ADC1_LEFT_SUR_VOL (KDATA_BASE_ADDR + 0x003F)
560 #define KDATA_ADC1_RIGHT_SUR_VOL (KDATA_BASE_ADDR + 0x0040)
561
562 #define KDATA_ADC2_XFER0 (KDATA_BASE_ADDR + 0x0041)
563 #define KDATA_ADC2_XFER_ENDMARK (KDATA_BASE_ADDR + 0x0042)
564 #define KDATA_ADC2_LEFT_VOLUME (KDATA_BASE_ADDR + 0x0043)
565 #define KDATA_ADC2_RIGHT_VOLUME (KDATA_BASE_ADDR + 0x0044)
566 #define KDATA_ADC2_LEFT_SUR_VOL (KDATA_BASE_ADDR + 0x0045)
567 #define KDATA_ADC2_RIGHT_SUR_VOL (KDATA_BASE_ADDR + 0x0046)
568
569 #define KDATA_CD_XFER0 (KDATA_BASE_ADDR + 0x0047)
570 #define KDATA_CD_XFER_ENDMARK (KDATA_BASE_ADDR + 0x0048)
571 #define KDATA_CD_LEFT_VOLUME (KDATA_BASE_ADDR + 0x0049)
572 #define KDATA_CD_RIGHT_VOLUME (KDATA_BASE_ADDR + 0x004A)
573 #define KDATA_CD_LEFT_SUR_VOL (KDATA_BASE_ADDR + 0x004B)
574 #define KDATA_CD_RIGHT_SUR_VOL (KDATA_BASE_ADDR + 0x004C)
575
576 #define KDATA_MIC_XFER0 (KDATA_BASE_ADDR + 0x004D)
577 #define KDATA_MIC_XFER_ENDMARK (KDATA_BASE_ADDR + 0x004E)
578 #define KDATA_MIC_VOLUME (KDATA_BASE_ADDR + 0x004F)
579 #define KDATA_MIC_SUR_VOL (KDATA_BASE_ADDR + 0x0050)
580
581 #define KDATA_I2S_XFER0 (KDATA_BASE_ADDR + 0x0051)
582 #define KDATA_I2S_XFER_ENDMARK (KDATA_BASE_ADDR + 0x0052)
583
584 #define KDATA_CHI_XFER0 (KDATA_BASE_ADDR + 0x0053)
585 #define KDATA_CHI_XFER_ENDMARK (KDATA_BASE_ADDR + 0x0054)
586
587 #define KDATA_SPDIF_XFER (KDATA_BASE_ADDR + 0x0055)
588 #define KDATA_SPDIF_CURRENT_FRAME (KDATA_BASE_ADDR + 0x0056)
589 #define KDATA_SPDIF_FRAME0 (KDATA_BASE_ADDR + 0x0057)
590 #define KDATA_SPDIF_FRAME1 (KDATA_BASE_ADDR + 0x0058)
591 #define KDATA_SPDIF_FRAME2 (KDATA_BASE_ADDR + 0x0059)
592
593 #define KDATA_SPDIF_REQUEST (KDATA_BASE_ADDR + 0x005A)
594 #define KDATA_SPDIF_TEMP (KDATA_BASE_ADDR + 0x005B)
595
596 #define KDATA_SPDIFIN_XFER0 (KDATA_BASE_ADDR + 0x005C)
597 #define KDATA_SPDIFIN_XFER_ENDMARK (KDATA_BASE_ADDR + 0x005D)
598 #define KDATA_SPDIFIN_INT_METER (KDATA_BASE_ADDR + 0x005E)
599
600 #define KDATA_DSP_RESET_COUNT (KDATA_BASE_ADDR + 0x005F)
601 #define KDATA_DEBUG_OUTPUT (KDATA_BASE_ADDR + 0x0060)
602
603 #define KDATA_KERNEL_ISR_LIST (KDATA_BASE_ADDR + 0x0061)
604
605 #define KDATA_KERNEL_ISR_CBSR1 (KDATA_BASE_ADDR + 0x0062)
606 #define KDATA_KERNEL_ISR_CBER1 (KDATA_BASE_ADDR + 0x0063)
607 #define KDATA_KERNEL_ISR_CBCR (KDATA_BASE_ADDR + 0x0064)
608 #define KDATA_KERNEL_ISR_AR0 (KDATA_BASE_ADDR + 0x0065)
609 #define KDATA_KERNEL_ISR_AR1 (KDATA_BASE_ADDR + 0x0066)
610 #define KDATA_KERNEL_ISR_AR2 (KDATA_BASE_ADDR + 0x0067)
611 #define KDATA_KERNEL_ISR_AR3 (KDATA_BASE_ADDR + 0x0068)
612 #define KDATA_KERNEL_ISR_AR4 (KDATA_BASE_ADDR + 0x0069)
613 #define KDATA_KERNEL_ISR_AR5 (KDATA_BASE_ADDR + 0x006A)
614 #define KDATA_KERNEL_ISR_BRCR (KDATA_BASE_ADDR + 0x006B)
615 #define KDATA_KERNEL_ISR_PASR (KDATA_BASE_ADDR + 0x006C)
616 #define KDATA_KERNEL_ISR_PAER (KDATA_BASE_ADDR + 0x006D)
617
618 #define KDATA_CLIENT_SCRATCH0 (KDATA_BASE_ADDR + 0x006E)
619 #define KDATA_CLIENT_SCRATCH1 (KDATA_BASE_ADDR + 0x006F)
620 #define KDATA_KERNEL_SCRATCH (KDATA_BASE_ADDR + 0x0070)
621 #define KDATA_KERNEL_ISR_SCRATCH (KDATA_BASE_ADDR + 0x0071)
622
623 #define KDATA_OUEUE_LEFT (KDATA_BASE_ADDR + 0x0072)
624 #define KDATA_QUEUE_RIGHT (KDATA_BASE_ADDR + 0x0073)
625
626 #define KDATA_ADC1_REQUEST (KDATA_BASE_ADDR + 0x0074)
627 #define KDATA_ADC2_REQUEST (KDATA_BASE_ADDR + 0x0075)
628 #define KDATA_CD_REQUEST (KDATA_BASE_ADDR + 0x0076)
629 #define KDATA_MIC_REQUEST (KDATA_BASE_ADDR + 0x0077)
630
631 #define KDATA_ADC1_MIXER_REQUEST (KDATA_BASE_ADDR + 0x0078)
632 #define KDATA_ADC2_MIXER_REQUEST (KDATA_BASE_ADDR + 0x0079)
633 #define KDATA_CD_MIXER_REQUEST (KDATA_BASE_ADDR + 0x007A)
634 #define KDATA_MIC_MIXER_REQUEST (KDATA_BASE_ADDR + 0x007B)
635 #define KDATA_MIC_SYNC_COUNTER (KDATA_BASE_ADDR + 0x007C)
636
637 /*
638 * second 'segment' (?) reserved for mixer
639 * buffers..
640 */
641
642 #define KDATA_MIXER_WORD0 (KDATA_BASE_ADDR2 + 0x0000)
643 #define KDATA_MIXER_WORD1 (KDATA_BASE_ADDR2 + 0x0001)
644 #define KDATA_MIXER_WORD2 (KDATA_BASE_ADDR2 + 0x0002)
645 #define KDATA_MIXER_WORD3 (KDATA_BASE_ADDR2 + 0x0003)
646 #define KDATA_MIXER_WORD4 (KDATA_BASE_ADDR2 + 0x0004)
647 #define KDATA_MIXER_WORD5 (KDATA_BASE_ADDR2 + 0x0005)
648 #define KDATA_MIXER_WORD6 (KDATA_BASE_ADDR2 + 0x0006)
649 #define KDATA_MIXER_WORD7 (KDATA_BASE_ADDR2 + 0x0007)
650 #define KDATA_MIXER_WORD8 (KDATA_BASE_ADDR2 + 0x0008)
651 #define KDATA_MIXER_WORD9 (KDATA_BASE_ADDR2 + 0x0009)
652 #define KDATA_MIXER_WORDA (KDATA_BASE_ADDR2 + 0x000A)
653 #define KDATA_MIXER_WORDB (KDATA_BASE_ADDR2 + 0x000B)
654 #define KDATA_MIXER_WORDC (KDATA_BASE_ADDR2 + 0x000C)
655 #define KDATA_MIXER_WORDD (KDATA_BASE_ADDR2 + 0x000D)
656 #define KDATA_MIXER_WORDE (KDATA_BASE_ADDR2 + 0x000E)
657 #define KDATA_MIXER_WORDF (KDATA_BASE_ADDR2 + 0x000F)
658
659 #define KDATA_MIXER_XFER0 (KDATA_BASE_ADDR2 + 0x0010)
660 #define KDATA_MIXER_XFER1 (KDATA_BASE_ADDR2 + 0x0011)
661 #define KDATA_MIXER_XFER2 (KDATA_BASE_ADDR2 + 0x0012)
662 #define KDATA_MIXER_XFER3 (KDATA_BASE_ADDR2 + 0x0013)
663 #define KDATA_MIXER_XFER4 (KDATA_BASE_ADDR2 + 0x0014)
664 #define KDATA_MIXER_XFER5 (KDATA_BASE_ADDR2 + 0x0015)
665 #define KDATA_MIXER_XFER6 (KDATA_BASE_ADDR2 + 0x0016)
666 #define KDATA_MIXER_XFER7 (KDATA_BASE_ADDR2 + 0x0017)
667 #define KDATA_MIXER_XFER8 (KDATA_BASE_ADDR2 + 0x0018)
668 #define KDATA_MIXER_XFER9 (KDATA_BASE_ADDR2 + 0x0019)
669 #define KDATA_MIXER_XFER_ENDMARK (KDATA_BASE_ADDR2 + 0x001A)
670
671 #define KDATA_MIXER_TASK_NUMBER (KDATA_BASE_ADDR2 + 0x001B)
672 #define KDATA_CURRENT_MIXER (KDATA_BASE_ADDR2 + 0x001C)
673 #define KDATA_MIXER_ACTIVE (KDATA_BASE_ADDR2 + 0x001D)
674 #define KDATA_MIXER_BANK_STATUS (KDATA_BASE_ADDR2 + 0x001E)
675 #define KDATA_DAC_LEFT_VOLUME (KDATA_BASE_ADDR2 + 0x001F)
676 #define KDATA_DAC_RIGHT_VOLUME (KDATA_BASE_ADDR2 + 0x0020)
677
678 #define MAX_INSTANCE_MINISRC (KDATA_INSTANCE_MINISRC_ENDMARK - KDATA_INSTANCE0_MINISRC)
679 #define MAX_VIRTUAL_DMA_CHANNELS (KDATA_DMA_XFER_ENDMARK - KDATA_DMA_XFER0)
680 #define MAX_VIRTUAL_MIXER_CHANNELS (KDATA_MIXER_XFER_ENDMARK - KDATA_MIXER_XFER0)
681 #define MAX_VIRTUAL_ADC1_CHANNELS (KDATA_ADC1_XFER_ENDMARK - KDATA_ADC1_XFER0)
682
683 /*
684 * client data area offsets
685 */
686 #define CDATA_INSTANCE_READY 0x00
687
688 #define CDATA_HOST_SRC_ADDRL 0x01
689 #define CDATA_HOST_SRC_ADDRH 0x02
690 #define CDATA_HOST_SRC_END_PLUS_1L 0x03
691 #define CDATA_HOST_SRC_END_PLUS_1H 0x04
692 #define CDATA_HOST_SRC_CURRENTL 0x05
693 #define CDATA_HOST_SRC_CURRENTH 0x06
694
695 #define CDATA_IN_BUF_CONNECT 0x07
696 #define CDATA_OUT_BUF_CONNECT 0x08
697
698 #define CDATA_IN_BUF_BEGIN 0x09
699 #define CDATA_IN_BUF_END_PLUS_1 0x0A
700 #define CDATA_IN_BUF_HEAD 0x0B
701 #define CDATA_IN_BUF_TAIL 0x0C
702 #define CDATA_OUT_BUF_BEGIN 0x0D
703 #define CDATA_OUT_BUF_END_PLUS_1 0x0E
704 #define CDATA_OUT_BUF_HEAD 0x0F
705 #define CDATA_OUT_BUF_TAIL 0x10
706
707 #define CDATA_DMA_CONTROL 0x11
708 #define CDATA_RESERVED 0x12
709
710 #define CDATA_FREQUENCY 0x13
711 #define CDATA_LEFT_VOLUME 0x14
712 #define CDATA_RIGHT_VOLUME 0x15
713 #define CDATA_LEFT_SUR_VOL 0x16
714 #define CDATA_RIGHT_SUR_VOL 0x17
715
716 #define CDATA_HEADER_LEN 0x18
717
718 #define SRC3_DIRECTION_OFFSET CDATA_HEADER_LEN
719 #define SRC3_MODE_OFFSET (CDATA_HEADER_LEN + 1)
720 #define SRC3_WORD_LENGTH_OFFSET (CDATA_HEADER_LEN + 2)
721 #define SRC3_PARAMETER_OFFSET (CDATA_HEADER_LEN + 3)
722 #define SRC3_COEFF_ADDR_OFFSET (CDATA_HEADER_LEN + 8)
723 #define SRC3_FILTAP_ADDR_OFFSET (CDATA_HEADER_LEN + 10)
724 #define SRC3_TEMP_INBUF_ADDR_OFFSET (CDATA_HEADER_LEN + 16)
725 #define SRC3_TEMP_OUTBUF_ADDR_OFFSET (CDATA_HEADER_LEN + 17)
726
727 #define MINISRC_IN_BUFFER_SIZE ( 0x50 * 2 )
728 #define MINISRC_OUT_BUFFER_SIZE ( 0x50 * 2 * 2)
729 #define MINISRC_OUT_BUFFER_SIZE ( 0x50 * 2 * 2)
730 #define MINISRC_TMP_BUFFER_SIZE ( 112 + ( MINISRC_BIQUAD_STAGE * 3 + 4 ) * 2 * 2 )
731 #define MINISRC_BIQUAD_STAGE 2
732 #define MINISRC_COEF_LOC 0x175
733
734 #define DMACONTROL_BLOCK_MASK 0x000F
735 #define DMAC_BLOCK0_SELECTOR 0x0000
736 #define DMAC_BLOCK1_SELECTOR 0x0001
737 #define DMAC_BLOCK2_SELECTOR 0x0002
738 #define DMAC_BLOCK3_SELECTOR 0x0003
739 #define DMAC_BLOCK4_SELECTOR 0x0004
740 #define DMAC_BLOCK5_SELECTOR 0x0005
741 #define DMAC_BLOCK6_SELECTOR 0x0006
742 #define DMAC_BLOCK7_SELECTOR 0x0007
743 #define DMAC_BLOCK8_SELECTOR 0x0008
744 #define DMAC_BLOCK9_SELECTOR 0x0009
745 #define DMAC_BLOCKA_SELECTOR 0x000A
746 #define DMAC_BLOCKB_SELECTOR 0x000B
747 #define DMAC_BLOCKC_SELECTOR 0x000C
748 #define DMAC_BLOCKD_SELECTOR 0x000D
749 #define DMAC_BLOCKE_SELECTOR 0x000E
750 #define DMAC_BLOCKF_SELECTOR 0x000F
751 #define DMACONTROL_PAGE_MASK 0x00F0
752 #define DMAC_PAGE0_SELECTOR 0x0030
753 #define DMAC_PAGE1_SELECTOR 0x0020
754 #define DMAC_PAGE2_SELECTOR 0x0010
755 #define DMAC_PAGE3_SELECTOR 0x0000
756 #define DMACONTROL_AUTOREPEAT 0x1000
757 #define DMACONTROL_STOPPED 0x2000
758 #define DMACONTROL_DIRECTION 0x0100
759
760 /*
761 * an arbitrary volume we set the internal
762 * volume settings to so that the ac97 volume
763 * range is a little less insane. 0x7fff is
764 * max.
765 */
766 #define ARB_VOLUME ( 0x6800 )
767
768 /*
769 */
770
771 /* quirk lists */
772 struct m3_quirk {
773 const char *name; /* device name */
774 u16 vendor, device; /* subsystem ids */
775 int amp_gpio; /* gpio pin # for external amp, -1 = default */
776 int irda_workaround; /* non-zero if avoid to touch 0x10 on GPIO_DIRECTION
777 (e.g. for IrDA on Dell Inspirons) */
778 };
779
780 struct m3_hv_quirk {
781 u16 vendor, device, subsystem_vendor, subsystem_device;
782 u32 config; /* ALLEGRO_CONFIG hardware volume bits */
783 int is_omnibook; /* Do HP OmniBook GPIO magic? */
784 };
785
786 struct m3_list {
787 int curlen;
788 int mem_addr;
789 int max;
790 };
791
792 struct m3_dma {
793
794 int number;
795 struct snd_pcm_substream *substream;
796
797 struct assp_instance {
798 unsigned short code, data;
799 } inst;
800
801 int running;
802 int opened;
803
804 unsigned long buffer_addr;
805 int dma_size;
806 int period_size;
807 unsigned int hwptr;
808 int count;
809
810 int index[3];
811 struct m3_list *index_list[3];
812
813 int in_lists;
814
815 struct list_head list;
816
817 };
818
819 struct snd_m3 {
820
821 struct snd_card *card;
822
823 unsigned long iobase;
824
825 int irq;
826 unsigned int allegro_flag : 1;
827
828 struct snd_ac97 *ac97;
829
830 struct snd_pcm *pcm;
831
832 struct pci_dev *pci;
833 const struct m3_quirk *quirk;
834 const struct m3_hv_quirk *hv_quirk;
835
836 int dacs_active;
837 int timer_users;
838
839 struct m3_list msrc_list;
840 struct m3_list mixer_list;
841 struct m3_list adc1_list;
842 struct m3_list dma_list;
843
844 /* for storing reset state..*/
845 u8 reset_state;
846
847 int external_amp;
848 int amp_gpio;
849
850 /* midi */
851 struct snd_rawmidi *rmidi;
852
853 /* pcm streams */
854 int num_substreams;
855 struct m3_dma *substreams;
856
857 spinlock_t reg_lock;
858 spinlock_t ac97_lock;
859
860 struct snd_kcontrol *master_switch;
861 struct snd_kcontrol *master_volume;
862 struct tasklet_struct hwvol_tq;
863
864 #ifdef CONFIG_PM
865 u16 *suspend_mem;
866 #endif
867 };
868
869 /*
870 * pci ids
871 */
872 static struct pci_device_id snd_m3_ids[] = {
873 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ALLEGRO_1, PCI_ANY_ID, PCI_ANY_ID,
874 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
875 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ALLEGRO, PCI_ANY_ID, PCI_ANY_ID,
876 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
877 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_CANYON3D_2LE, PCI_ANY_ID, PCI_ANY_ID,
878 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
879 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_CANYON3D_2, PCI_ANY_ID, PCI_ANY_ID,
880 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
881 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3, PCI_ANY_ID, PCI_ANY_ID,
882 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
883 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_1, PCI_ANY_ID, PCI_ANY_ID,
884 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
885 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_HW, PCI_ANY_ID, PCI_ANY_ID,
886 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
887 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_2, PCI_ANY_ID, PCI_ANY_ID,
888 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
889 {0,},
890 };
891
892 MODULE_DEVICE_TABLE(pci, snd_m3_ids);
893
894 static const struct m3_quirk m3_quirk_list[] = {
895 /* panasonic CF-28 "toughbook" */
896 {
897 .name = "Panasonic CF-28",
898 .vendor = 0x10f7,
899 .device = 0x833e,
900 .amp_gpio = 0x0d,
901 },
902 /* panasonic CF-72 "toughbook" */
903 {
904 .name = "Panasonic CF-72",
905 .vendor = 0x10f7,
906 .device = 0x833d,
907 .amp_gpio = 0x0d,
908 },
909 /* Dell Inspiron 4000 */
910 {
911 .name = "Dell Inspiron 4000",
912 .vendor = 0x1028,
913 .device = 0x00b0,
914 .amp_gpio = -1,
915 .irda_workaround = 1,
916 },
917 /* Dell Inspiron 8000 */
918 {
919 .name = "Dell Inspiron 8000",
920 .vendor = 0x1028,
921 .device = 0x00a4,
922 .amp_gpio = -1,
923 .irda_workaround = 1,
924 },
925 /* Dell Inspiron 8100 */
926 {
927 .name = "Dell Inspiron 8100",
928 .vendor = 0x1028,
929 .device = 0x00e6,
930 .amp_gpio = -1,
931 .irda_workaround = 1,
932 },
933 /* NEC LM800J/7 */
934 {
935 .name = "NEC LM800J/7",
936 .vendor = 0x1033,
937 .device = 0x80f1,
938 .amp_gpio = 0x03,
939 },
940 /* LEGEND ZhaoYang 3100CF */
941 {
942 .name = "LEGEND ZhaoYang 3100CF",
943 .vendor = 0x1509,
944 .device = 0x1740,
945 .amp_gpio = 0x03,
946 },
947 /* END */
948 { NULL }
949 };
950
951 /* These values came from the Windows driver. */
952 static const struct m3_hv_quirk m3_hv_quirk_list[] = {
953 /* Allegro chips */
954 { 0x125D, 0x1988, 0x0E11, 0x002E, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
955 { 0x125D, 0x1988, 0x0E11, 0x0094, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
956 { 0x125D, 0x1988, 0x0E11, 0xB112, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
957 { 0x125D, 0x1988, 0x0E11, 0xB114, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
958 { 0x125D, 0x1988, 0x103C, 0x0012, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
959 { 0x125D, 0x1988, 0x103C, 0x0018, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
960 { 0x125D, 0x1988, 0x103C, 0x001C, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
961 { 0x125D, 0x1988, 0x103C, 0x001D, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
962 { 0x125D, 0x1988, 0x103C, 0x001E, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
963 { 0x125D, 0x1988, 0x107B, 0x3350, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
964 { 0x125D, 0x1988, 0x10F7, 0x8338, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
965 { 0x125D, 0x1988, 0x10F7, 0x833C, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
966 { 0x125D, 0x1988, 0x10F7, 0x833D, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
967 { 0x125D, 0x1988, 0x10F7, 0x833E, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
968 { 0x125D, 0x1988, 0x10F7, 0x833F, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
969 { 0x125D, 0x1988, 0x13BD, 0x1018, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
970 { 0x125D, 0x1988, 0x13BD, 0x1019, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
971 { 0x125D, 0x1988, 0x13BD, 0x101A, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
972 { 0x125D, 0x1988, 0x14FF, 0x0F03, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
973 { 0x125D, 0x1988, 0x14FF, 0x0F04, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
974 { 0x125D, 0x1988, 0x14FF, 0x0F05, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
975 { 0x125D, 0x1988, 0x156D, 0xB400, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
976 { 0x125D, 0x1988, 0x156D, 0xB795, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
977 { 0x125D, 0x1988, 0x156D, 0xB797, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
978 { 0x125D, 0x1988, 0x156D, 0xC700, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
979 { 0x125D, 0x1988, 0x1033, 0x80F1, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 },
980 { 0x125D, 0x1988, 0x103C, 0x001A, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 }, /* HP OmniBook 6100 */
981 { 0x125D, 0x1988, 0x107B, 0x340A, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 },
982 { 0x125D, 0x1988, 0x107B, 0x3450, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 },
983 { 0x125D, 0x1988, 0x109F, 0x3134, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 },
984 { 0x125D, 0x1988, 0x109F, 0x3161, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 },
985 { 0x125D, 0x1988, 0x144D, 0x3280, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 },
986 { 0x125D, 0x1988, 0x144D, 0x3281, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 },
987 { 0x125D, 0x1988, 0x144D, 0xC002, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 },
988 { 0x125D, 0x1988, 0x144D, 0xC003, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 },
989 { 0x125D, 0x1988, 0x1509, 0x1740, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 },
990 { 0x125D, 0x1988, 0x1610, 0x0010, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 },
991 { 0x125D, 0x1988, 0x1042, 0x1042, HV_CTRL_ENABLE, 0 },
992 { 0x125D, 0x1988, 0x107B, 0x9500, HV_CTRL_ENABLE, 0 },
993 { 0x125D, 0x1988, 0x14FF, 0x0F06, HV_CTRL_ENABLE, 0 },
994 { 0x125D, 0x1988, 0x1558, 0x8586, HV_CTRL_ENABLE, 0 },
995 { 0x125D, 0x1988, 0x161F, 0x2011, HV_CTRL_ENABLE, 0 },
996 /* Maestro3 chips */
997 { 0x125D, 0x1998, 0x103C, 0x000E, HV_CTRL_ENABLE, 0 },
998 { 0x125D, 0x1998, 0x103C, 0x0010, HV_CTRL_ENABLE, 1 }, /* HP OmniBook 6000 */
999 { 0x125D, 0x1998, 0x103C, 0x0011, HV_CTRL_ENABLE, 1 }, /* HP OmniBook 500 */
1000 { 0x125D, 0x1998, 0x103C, 0x001B, HV_CTRL_ENABLE, 0 },
1001 { 0x125D, 0x1998, 0x104D, 0x80A6, HV_CTRL_ENABLE, 0 },
1002 { 0x125D, 0x1998, 0x104D, 0x80AA, HV_CTRL_ENABLE, 0 },
1003 { 0x125D, 0x1998, 0x107B, 0x5300, HV_CTRL_ENABLE, 0 },
1004 { 0x125D, 0x1998, 0x110A, 0x1998, HV_CTRL_ENABLE, 0 },
1005 { 0x125D, 0x1998, 0x13BD, 0x1015, HV_CTRL_ENABLE, 0 },
1006 { 0x125D, 0x1998, 0x13BD, 0x101C, HV_CTRL_ENABLE, 0 },
1007 { 0x125D, 0x1998, 0x13BD, 0x1802, HV_CTRL_ENABLE, 0 },
1008 { 0x125D, 0x1998, 0x1599, 0x0715, HV_CTRL_ENABLE, 0 },
1009 { 0x125D, 0x1998, 0x5643, 0x5643, HV_CTRL_ENABLE, 0 },
1010 { 0x125D, 0x199A, 0x144D, 0x3260, HV_CTRL_ENABLE | REDUCED_DEBOUNCE, 0 },
1011 { 0x125D, 0x199A, 0x144D, 0x3261, HV_CTRL_ENABLE | REDUCED_DEBOUNCE, 0 },
1012 { 0x125D, 0x199A, 0x144D, 0xC000, HV_CTRL_ENABLE | REDUCED_DEBOUNCE, 0 },
1013 { 0x125D, 0x199A, 0x144D, 0xC001, HV_CTRL_ENABLE | REDUCED_DEBOUNCE, 0 },
1014 { 0 }
1015 };
1016
1017 /*
1018 * lowlevel functions
1019 */
1020
1021 static inline void snd_m3_outw(struct snd_m3 *chip, u16 value, unsigned long reg)
1022 {
1023 outw(value, chip->iobase + reg);
1024 }
1025
1026 static inline u16 snd_m3_inw(struct snd_m3 *chip, unsigned long reg)
1027 {
1028 return inw(chip->iobase + reg);
1029 }
1030
1031 static inline void snd_m3_outb(struct snd_m3 *chip, u8 value, unsigned long reg)
1032 {
1033 outb(value, chip->iobase + reg);
1034 }
1035
1036 static inline u8 snd_m3_inb(struct snd_m3 *chip, unsigned long reg)
1037 {
1038 return inb(chip->iobase + reg);
1039 }
1040
1041 /*
1042 * access 16bit words to the code or data regions of the dsp's memory.
1043 * index addresses 16bit words.
1044 */
1045 static u16 snd_m3_assp_read(struct snd_m3 *chip, u16 region, u16 index)
1046 {
1047 snd_m3_outw(chip, region & MEMTYPE_MASK, DSP_PORT_MEMORY_TYPE);
1048 snd_m3_outw(chip, index, DSP_PORT_MEMORY_INDEX);
1049 return snd_m3_inw(chip, DSP_PORT_MEMORY_DATA);
1050 }
1051
1052 static void snd_m3_assp_write(struct snd_m3 *chip, u16 region, u16 index, u16 data)
1053 {
1054 snd_m3_outw(chip, region & MEMTYPE_MASK, DSP_PORT_MEMORY_TYPE);
1055 snd_m3_outw(chip, index, DSP_PORT_MEMORY_INDEX);
1056 snd_m3_outw(chip, data, DSP_PORT_MEMORY_DATA);
1057 }
1058
1059 static void snd_m3_assp_halt(struct snd_m3 *chip)
1060 {
1061 chip->reset_state = snd_m3_inb(chip, DSP_PORT_CONTROL_REG_B) & ~REGB_STOP_CLOCK;
1062 msleep(10);
1063 snd_m3_outb(chip, chip->reset_state & ~REGB_ENABLE_RESET, DSP_PORT_CONTROL_REG_B);
1064 }
1065
1066 static void snd_m3_assp_continue(struct snd_m3 *chip)
1067 {
1068 snd_m3_outb(chip, chip->reset_state | REGB_ENABLE_RESET, DSP_PORT_CONTROL_REG_B);
1069 }
1070
1071
1072 /*
1073 * This makes me sad. the maestro3 has lists
1074 * internally that must be packed.. 0 terminates,
1075 * apparently, or maybe all unused entries have
1076 * to be 0, the lists have static lengths set
1077 * by the binary code images.
1078 */
1079
1080 static int snd_m3_add_list(struct snd_m3 *chip, struct m3_list *list, u16 val)
1081 {
1082 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1083 list->mem_addr + list->curlen,
1084 val);
1085 return list->curlen++;
1086 }
1087
1088 static void snd_m3_remove_list(struct snd_m3 *chip, struct m3_list *list, int index)
1089 {
1090 u16 val;
1091 int lastindex = list->curlen - 1;
1092
1093 if (index != lastindex) {
1094 val = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1095 list->mem_addr + lastindex);
1096 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1097 list->mem_addr + index,
1098 val);
1099 }
1100
1101 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1102 list->mem_addr + lastindex,
1103 0);
1104
1105 list->curlen--;
1106 }
1107
1108 static void snd_m3_inc_timer_users(struct snd_m3 *chip)
1109 {
1110 chip->timer_users++;
1111 if (chip->timer_users != 1)
1112 return;
1113
1114 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1115 KDATA_TIMER_COUNT_RELOAD,
1116 240);
1117
1118 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1119 KDATA_TIMER_COUNT_CURRENT,
1120 240);
1121
1122 snd_m3_outw(chip,
1123 snd_m3_inw(chip, HOST_INT_CTRL) | CLKRUN_GEN_ENABLE,
1124 HOST_INT_CTRL);
1125 }
1126
1127 static void snd_m3_dec_timer_users(struct snd_m3 *chip)
1128 {
1129 chip->timer_users--;
1130 if (chip->timer_users > 0)
1131 return;
1132
1133 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1134 KDATA_TIMER_COUNT_RELOAD,
1135 0);
1136
1137 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1138 KDATA_TIMER_COUNT_CURRENT,
1139 0);
1140
1141 snd_m3_outw(chip,
1142 snd_m3_inw(chip, HOST_INT_CTRL) & ~CLKRUN_GEN_ENABLE,
1143 HOST_INT_CTRL);
1144 }
1145
1146 /*
1147 * start/stop
1148 */
1149
1150 /* spinlock held! */
1151 static int snd_m3_pcm_start(struct snd_m3 *chip, struct m3_dma *s,
1152 struct snd_pcm_substream *subs)
1153 {
1154 if (! s || ! subs)
1155 return -EINVAL;
1156
1157 snd_m3_inc_timer_users(chip);
1158 switch (subs->stream) {
1159 case SNDRV_PCM_STREAM_PLAYBACK:
1160 chip->dacs_active++;
1161 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1162 s->inst.data + CDATA_INSTANCE_READY, 1);
1163 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1164 KDATA_MIXER_TASK_NUMBER,
1165 chip->dacs_active);
1166 break;
1167 case SNDRV_PCM_STREAM_CAPTURE:
1168 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1169 KDATA_ADC1_REQUEST, 1);
1170 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1171 s->inst.data + CDATA_INSTANCE_READY, 1);
1172 break;
1173 }
1174 return 0;
1175 }
1176
1177 /* spinlock held! */
1178 static int snd_m3_pcm_stop(struct snd_m3 *chip, struct m3_dma *s,
1179 struct snd_pcm_substream *subs)
1180 {
1181 if (! s || ! subs)
1182 return -EINVAL;
1183
1184 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1185 s->inst.data + CDATA_INSTANCE_READY, 0);
1186 snd_m3_dec_timer_users(chip);
1187 switch (subs->stream) {
1188 case SNDRV_PCM_STREAM_PLAYBACK:
1189 chip->dacs_active--;
1190 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1191 KDATA_MIXER_TASK_NUMBER,
1192 chip->dacs_active);
1193 break;
1194 case SNDRV_PCM_STREAM_CAPTURE:
1195 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1196 KDATA_ADC1_REQUEST, 0);
1197 break;
1198 }
1199 return 0;
1200 }
1201
1202 static int
1203 snd_m3_pcm_trigger(struct snd_pcm_substream *subs, int cmd)
1204 {
1205 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1206 struct m3_dma *s = subs->runtime->private_data;
1207 int err = -EINVAL;
1208
1209 snd_assert(s != NULL, return -ENXIO);
1210
1211 spin_lock(&chip->reg_lock);
1212 switch (cmd) {
1213 case SNDRV_PCM_TRIGGER_START:
1214 case SNDRV_PCM_TRIGGER_RESUME:
1215 if (s->running)
1216 err = -EBUSY;
1217 else {
1218 s->running = 1;
1219 err = snd_m3_pcm_start(chip, s, subs);
1220 }
1221 break;
1222 case SNDRV_PCM_TRIGGER_STOP:
1223 case SNDRV_PCM_TRIGGER_SUSPEND:
1224 if (! s->running)
1225 err = 0; /* should return error? */
1226 else {
1227 s->running = 0;
1228 err = snd_m3_pcm_stop(chip, s, subs);
1229 }
1230 break;
1231 }
1232 spin_unlock(&chip->reg_lock);
1233 return err;
1234 }
1235
1236 /*
1237 * setup
1238 */
1239 static void
1240 snd_m3_pcm_setup1(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1241 {
1242 int dsp_in_size, dsp_out_size, dsp_in_buffer, dsp_out_buffer;
1243 struct snd_pcm_runtime *runtime = subs->runtime;
1244
1245 if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1246 dsp_in_size = MINISRC_IN_BUFFER_SIZE - (0x20 * 2);
1247 dsp_out_size = MINISRC_OUT_BUFFER_SIZE - (0x20 * 2);
1248 } else {
1249 dsp_in_size = MINISRC_IN_BUFFER_SIZE - (0x10 * 2);
1250 dsp_out_size = MINISRC_OUT_BUFFER_SIZE - (0x10 * 2);
1251 }
1252 dsp_in_buffer = s->inst.data + (MINISRC_TMP_BUFFER_SIZE / 2);
1253 dsp_out_buffer = dsp_in_buffer + (dsp_in_size / 2) + 1;
1254
1255 s->dma_size = frames_to_bytes(runtime, runtime->buffer_size);
1256 s->period_size = frames_to_bytes(runtime, runtime->period_size);
1257 s->hwptr = 0;
1258 s->count = 0;
1259
1260 #define LO(x) ((x) & 0xffff)
1261 #define HI(x) LO((x) >> 16)
1262
1263 /* host dma buffer pointers */
1264 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1265 s->inst.data + CDATA_HOST_SRC_ADDRL,
1266 LO(s->buffer_addr));
1267
1268 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1269 s->inst.data + CDATA_HOST_SRC_ADDRH,
1270 HI(s->buffer_addr));
1271
1272 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1273 s->inst.data + CDATA_HOST_SRC_END_PLUS_1L,
1274 LO(s->buffer_addr + s->dma_size));
1275
1276 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1277 s->inst.data + CDATA_HOST_SRC_END_PLUS_1H,
1278 HI(s->buffer_addr + s->dma_size));
1279
1280 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1281 s->inst.data + CDATA_HOST_SRC_CURRENTL,
1282 LO(s->buffer_addr));
1283
1284 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1285 s->inst.data + CDATA_HOST_SRC_CURRENTH,
1286 HI(s->buffer_addr));
1287 #undef LO
1288 #undef HI
1289
1290 /* dsp buffers */
1291
1292 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1293 s->inst.data + CDATA_IN_BUF_BEGIN,
1294 dsp_in_buffer);
1295
1296 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1297 s->inst.data + CDATA_IN_BUF_END_PLUS_1,
1298 dsp_in_buffer + (dsp_in_size / 2));
1299
1300 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1301 s->inst.data + CDATA_IN_BUF_HEAD,
1302 dsp_in_buffer);
1303
1304 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1305 s->inst.data + CDATA_IN_BUF_TAIL,
1306 dsp_in_buffer);
1307
1308 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1309 s->inst.data + CDATA_OUT_BUF_BEGIN,
1310 dsp_out_buffer);
1311
1312 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1313 s->inst.data + CDATA_OUT_BUF_END_PLUS_1,
1314 dsp_out_buffer + (dsp_out_size / 2));
1315
1316 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1317 s->inst.data + CDATA_OUT_BUF_HEAD,
1318 dsp_out_buffer);
1319
1320 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1321 s->inst.data + CDATA_OUT_BUF_TAIL,
1322 dsp_out_buffer);
1323 }
1324
1325 static void snd_m3_pcm_setup2(struct snd_m3 *chip, struct m3_dma *s,
1326 struct snd_pcm_runtime *runtime)
1327 {
1328 u32 freq;
1329
1330 /*
1331 * put us in the lists if we're not already there
1332 */
1333 if (! s->in_lists) {
1334 s->index[0] = snd_m3_add_list(chip, s->index_list[0],
1335 s->inst.data >> DP_SHIFT_COUNT);
1336 s->index[1] = snd_m3_add_list(chip, s->index_list[1],
1337 s->inst.data >> DP_SHIFT_COUNT);
1338 s->index[2] = snd_m3_add_list(chip, s->index_list[2],
1339 s->inst.data >> DP_SHIFT_COUNT);
1340 s->in_lists = 1;
1341 }
1342
1343 /* write to 'mono' word */
1344 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1345 s->inst.data + SRC3_DIRECTION_OFFSET + 1,
1346 runtime->channels == 2 ? 0 : 1);
1347 /* write to '8bit' word */
1348 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1349 s->inst.data + SRC3_DIRECTION_OFFSET + 2,
1350 snd_pcm_format_width(runtime->format) == 16 ? 0 : 1);
1351
1352 /* set up dac/adc rate */
1353 freq = ((runtime->rate << 15) + 24000 ) / 48000;
1354 if (freq)
1355 freq--;
1356
1357 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1358 s->inst.data + CDATA_FREQUENCY,
1359 freq);
1360 }
1361
1362
1363 static const struct play_vals {
1364 u16 addr, val;
1365 } pv[] = {
1366 {CDATA_LEFT_VOLUME, ARB_VOLUME},
1367 {CDATA_RIGHT_VOLUME, ARB_VOLUME},
1368 {SRC3_DIRECTION_OFFSET, 0} ,
1369 /* +1, +2 are stereo/16 bit */
1370 {SRC3_DIRECTION_OFFSET + 3, 0x0000}, /* fraction? */
1371 {SRC3_DIRECTION_OFFSET + 4, 0}, /* first l */
1372 {SRC3_DIRECTION_OFFSET + 5, 0}, /* first r */
1373 {SRC3_DIRECTION_OFFSET + 6, 0}, /* second l */
1374 {SRC3_DIRECTION_OFFSET + 7, 0}, /* second r */
1375 {SRC3_DIRECTION_OFFSET + 8, 0}, /* delta l */
1376 {SRC3_DIRECTION_OFFSET + 9, 0}, /* delta r */
1377 {SRC3_DIRECTION_OFFSET + 10, 0x8000}, /* round */
1378 {SRC3_DIRECTION_OFFSET + 11, 0xFF00}, /* higher bute mark */
1379 {SRC3_DIRECTION_OFFSET + 13, 0}, /* temp0 */
1380 {SRC3_DIRECTION_OFFSET + 14, 0}, /* c fraction */
1381 {SRC3_DIRECTION_OFFSET + 15, 0}, /* counter */
1382 {SRC3_DIRECTION_OFFSET + 16, 8}, /* numin */
1383 {SRC3_DIRECTION_OFFSET + 17, 50*2}, /* numout */
1384 {SRC3_DIRECTION_OFFSET + 18, MINISRC_BIQUAD_STAGE - 1}, /* numstage */
1385 {SRC3_DIRECTION_OFFSET + 20, 0}, /* filtertap */
1386 {SRC3_DIRECTION_OFFSET + 21, 0} /* booster */
1387 };
1388
1389
1390 /* the mode passed should be already shifted and masked */
1391 static void
1392 snd_m3_playback_setup(struct snd_m3 *chip, struct m3_dma *s,
1393 struct snd_pcm_substream *subs)
1394 {
1395 unsigned int i;
1396
1397 /*
1398 * some per client initializers
1399 */
1400
1401 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1402 s->inst.data + SRC3_DIRECTION_OFFSET + 12,
1403 s->inst.data + 40 + 8);
1404
1405 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1406 s->inst.data + SRC3_DIRECTION_OFFSET + 19,
1407 s->inst.code + MINISRC_COEF_LOC);
1408
1409 /* enable or disable low pass filter? */
1410 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1411 s->inst.data + SRC3_DIRECTION_OFFSET + 22,
1412 subs->runtime->rate > 45000 ? 0xff : 0);
1413
1414 /* tell it which way dma is going? */
1415 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1416 s->inst.data + CDATA_DMA_CONTROL,
1417 DMACONTROL_AUTOREPEAT + DMAC_PAGE3_SELECTOR + DMAC_BLOCKF_SELECTOR);
1418
1419 /*
1420 * set an armload of static initializers
1421 */
1422 for (i = 0; i < ARRAY_SIZE(pv); i++)
1423 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1424 s->inst.data + pv[i].addr, pv[i].val);
1425 }
1426
1427 /*
1428 * Native record driver
1429 */
1430 static const struct rec_vals {
1431 u16 addr, val;
1432 } rv[] = {
1433 {CDATA_LEFT_VOLUME, ARB_VOLUME},
1434 {CDATA_RIGHT_VOLUME, ARB_VOLUME},
1435 {SRC3_DIRECTION_OFFSET, 1} ,
1436 /* +1, +2 are stereo/16 bit */
1437 {SRC3_DIRECTION_OFFSET + 3, 0x0000}, /* fraction? */
1438 {SRC3_DIRECTION_OFFSET + 4, 0}, /* first l */
1439 {SRC3_DIRECTION_OFFSET + 5, 0}, /* first r */
1440 {SRC3_DIRECTION_OFFSET + 6, 0}, /* second l */
1441 {SRC3_DIRECTION_OFFSET + 7, 0}, /* second r */
1442 {SRC3_DIRECTION_OFFSET + 8, 0}, /* delta l */
1443 {SRC3_DIRECTION_OFFSET + 9, 0}, /* delta r */
1444 {SRC3_DIRECTION_OFFSET + 10, 0x8000}, /* round */
1445 {SRC3_DIRECTION_OFFSET + 11, 0xFF00}, /* higher bute mark */
1446 {SRC3_DIRECTION_OFFSET + 13, 0}, /* temp0 */
1447 {SRC3_DIRECTION_OFFSET + 14, 0}, /* c fraction */
1448 {SRC3_DIRECTION_OFFSET + 15, 0}, /* counter */
1449 {SRC3_DIRECTION_OFFSET + 16, 50},/* numin */
1450 {SRC3_DIRECTION_OFFSET + 17, 8}, /* numout */
1451 {SRC3_DIRECTION_OFFSET + 18, 0}, /* numstage */
1452 {SRC3_DIRECTION_OFFSET + 19, 0}, /* coef */
1453 {SRC3_DIRECTION_OFFSET + 20, 0}, /* filtertap */
1454 {SRC3_DIRECTION_OFFSET + 21, 0}, /* booster */
1455 {SRC3_DIRECTION_OFFSET + 22, 0xff} /* skip lpf */
1456 };
1457
1458 static void
1459 snd_m3_capture_setup(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1460 {
1461 unsigned int i;
1462
1463 /*
1464 * some per client initializers
1465 */
1466
1467 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1468 s->inst.data + SRC3_DIRECTION_OFFSET + 12,
1469 s->inst.data + 40 + 8);
1470
1471 /* tell it which way dma is going? */
1472 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1473 s->inst.data + CDATA_DMA_CONTROL,
1474 DMACONTROL_DIRECTION + DMACONTROL_AUTOREPEAT +
1475 DMAC_PAGE3_SELECTOR + DMAC_BLOCKF_SELECTOR);
1476
1477 /*
1478 * set an armload of static initializers
1479 */
1480 for (i = 0; i < ARRAY_SIZE(rv); i++)
1481 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1482 s->inst.data + rv[i].addr, rv[i].val);
1483 }
1484
1485 static int snd_m3_pcm_hw_params(struct snd_pcm_substream *substream,
1486 struct snd_pcm_hw_params *hw_params)
1487 {
1488 struct m3_dma *s = substream->runtime->private_data;
1489 int err;
1490
1491 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
1492 return err;
1493 /* set buffer address */
1494 s->buffer_addr = substream->runtime->dma_addr;
1495 if (s->buffer_addr & 0x3) {
1496 snd_printk(KERN_ERR "oh my, not aligned\n");
1497 s->buffer_addr = s->buffer_addr & ~0x3;
1498 }
1499 return 0;
1500 }
1501
1502 static int snd_m3_pcm_hw_free(struct snd_pcm_substream *substream)
1503 {
1504 struct m3_dma *s;
1505
1506 if (substream->runtime->private_data == NULL)
1507 return 0;
1508 s = substream->runtime->private_data;
1509 snd_pcm_lib_free_pages(substream);
1510 s->buffer_addr = 0;
1511 return 0;
1512 }
1513
1514 static int
1515 snd_m3_pcm_prepare(struct snd_pcm_substream *subs)
1516 {
1517 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1518 struct snd_pcm_runtime *runtime = subs->runtime;
1519 struct m3_dma *s = runtime->private_data;
1520
1521 snd_assert(s != NULL, return -ENXIO);
1522
1523 if (runtime->format != SNDRV_PCM_FORMAT_U8 &&
1524 runtime->format != SNDRV_PCM_FORMAT_S16_LE)
1525 return -EINVAL;
1526 if (runtime->rate > 48000 ||
1527 runtime->rate < 8000)
1528 return -EINVAL;
1529
1530 spin_lock_irq(&chip->reg_lock);
1531
1532 snd_m3_pcm_setup1(chip, s, subs);
1533
1534 if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK)
1535 snd_m3_playback_setup(chip, s, subs);
1536 else
1537 snd_m3_capture_setup(chip, s, subs);
1538
1539 snd_m3_pcm_setup2(chip, s, runtime);
1540
1541 spin_unlock_irq(&chip->reg_lock);
1542
1543 return 0;
1544 }
1545
1546 /*
1547 * get current pointer
1548 */
1549 static unsigned int
1550 snd_m3_get_pointer(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1551 {
1552 u16 hi = 0, lo = 0;
1553 int retry = 10;
1554 u32 addr;
1555
1556 /*
1557 * try and get a valid answer
1558 */
1559 while (retry--) {
1560 hi = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1561 s->inst.data + CDATA_HOST_SRC_CURRENTH);
1562
1563 lo = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1564 s->inst.data + CDATA_HOST_SRC_CURRENTL);
1565
1566 if (hi == snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1567 s->inst.data + CDATA_HOST_SRC_CURRENTH))
1568 break;
1569 }
1570 addr = lo | ((u32)hi<<16);
1571 return (unsigned int)(addr - s->buffer_addr);
1572 }
1573
1574 static snd_pcm_uframes_t
1575 snd_m3_pcm_pointer(struct snd_pcm_substream *subs)
1576 {
1577 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1578 unsigned int ptr;
1579 struct m3_dma *s = subs->runtime->private_data;
1580 snd_assert(s != NULL, return 0);
1581
1582 spin_lock(&chip->reg_lock);
1583 ptr = snd_m3_get_pointer(chip, s, subs);
1584 spin_unlock(&chip->reg_lock);
1585 return bytes_to_frames(subs->runtime, ptr);
1586 }
1587
1588
1589 /* update pointer */
1590 /* spinlock held! */
1591 static void snd_m3_update_ptr(struct snd_m3 *chip, struct m3_dma *s)
1592 {
1593 struct snd_pcm_substream *subs = s->substream;
1594 unsigned int hwptr;
1595 int diff;
1596
1597 if (! s->running)
1598 return;
1599
1600 hwptr = snd_m3_get_pointer(chip, s, subs);
1601
1602 /* try to avoid expensive modulo divisions */
1603 if (hwptr >= s->dma_size)
1604 hwptr %= s->dma_size;
1605
1606 diff = s->dma_size + hwptr - s->hwptr;
1607 if (diff >= s->dma_size)
1608 diff %= s->dma_size;
1609
1610 s->hwptr = hwptr;
1611 s->count += diff;
1612
1613 if (s->count >= (signed)s->period_size) {
1614
1615 if (s->count < 2 * (signed)s->period_size)
1616 s->count -= (signed)s->period_size;
1617 else
1618 s->count %= s->period_size;
1619
1620 spin_unlock(&chip->reg_lock);
1621 snd_pcm_period_elapsed(subs);
1622 spin_lock(&chip->reg_lock);
1623 }
1624 }
1625
1626 static void snd_m3_update_hw_volume(unsigned long private_data)
1627 {
1628 struct snd_m3 *chip = (struct snd_m3 *) private_data;
1629 int x, val;
1630 unsigned long flags;
1631
1632 /* Figure out which volume control button was pushed,
1633 based on differences from the default register
1634 values. */
1635 x = inb(chip->iobase + SHADOW_MIX_REG_VOICE) & 0xee;
1636
1637 /* Reset the volume control registers. */
1638 outb(0x88, chip->iobase + SHADOW_MIX_REG_VOICE);
1639 outb(0x88, chip->iobase + HW_VOL_COUNTER_VOICE);
1640 outb(0x88, chip->iobase + SHADOW_MIX_REG_MASTER);
1641 outb(0x88, chip->iobase + HW_VOL_COUNTER_MASTER);
1642
1643 if (!chip->master_switch || !chip->master_volume)
1644 return;
1645
1646 /* FIXME: we can't call snd_ac97_* functions since here is in tasklet. */
1647 spin_lock_irqsave(&chip->ac97_lock, flags);
1648
1649 val = chip->ac97->regs[AC97_MASTER_VOL];
1650 switch (x) {
1651 case 0x88:
1652 /* mute */
1653 val ^= 0x8000;
1654 chip->ac97->regs[AC97_MASTER_VOL] = val;
1655 outw(val, chip->iobase + CODEC_DATA);
1656 outb(AC97_MASTER_VOL, chip->iobase + CODEC_COMMAND);
1657 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1658 &chip->master_switch->id);
1659 break;
1660 case 0xaa:
1661 /* volume up */
1662 if ((val & 0x7f) > 0)
1663 val--;
1664 if ((val & 0x7f00) > 0)
1665 val -= 0x0100;
1666 chip->ac97->regs[AC97_MASTER_VOL] = val;
1667 outw(val, chip->iobase + CODEC_DATA);
1668 outb(AC97_MASTER_VOL, chip->iobase + CODEC_COMMAND);
1669 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1670 &chip->master_volume->id);
1671 break;
1672 case 0x66:
1673 /* volume down */
1674 if ((val & 0x7f) < 0x1f)
1675 val++;
1676 if ((val & 0x7f00) < 0x1f00)
1677 val += 0x0100;
1678 chip->ac97->regs[AC97_MASTER_VOL] = val;
1679 outw(val, chip->iobase + CODEC_DATA);
1680 outb(AC97_MASTER_VOL, chip->iobase + CODEC_COMMAND);
1681 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1682 &chip->master_volume->id);
1683 break;
1684 }
1685 spin_unlock_irqrestore(&chip->ac97_lock, flags);
1686 }
1687
1688 static irqreturn_t snd_m3_interrupt(int irq, void *dev_id)
1689 {
1690 struct snd_m3 *chip = dev_id;
1691 u8 status;
1692 int i;
1693
1694 status = inb(chip->iobase + HOST_INT_STATUS);
1695
1696 if (status == 0xff)
1697 return IRQ_NONE;
1698
1699 if (status & HV_INT_PENDING)
1700 tasklet_hi_schedule(&chip->hwvol_tq);
1701
1702 /*
1703 * ack an assp int if its running
1704 * and has an int pending
1705 */
1706 if (status & ASSP_INT_PENDING) {
1707 u8 ctl = inb(chip->iobase + ASSP_CONTROL_B);
1708 if (!(ctl & STOP_ASSP_CLOCK)) {
1709 ctl = inb(chip->iobase + ASSP_HOST_INT_STATUS);
1710 if (ctl & DSP2HOST_REQ_TIMER) {
1711 outb(DSP2HOST_REQ_TIMER, chip->iobase + ASSP_HOST_INT_STATUS);
1712 /* update adc/dac info if it was a timer int */
1713 spin_lock(&chip->reg_lock);
1714 for (i = 0; i < chip->num_substreams; i++) {
1715 struct m3_dma *s = &chip->substreams[i];
1716 if (s->running)
1717 snd_m3_update_ptr(chip, s);
1718 }
1719 spin_unlock(&chip->reg_lock);
1720 }
1721 }
1722 }
1723
1724 #if 0 /* TODO: not supported yet */
1725 if ((status & MPU401_INT_PENDING) && chip->rmidi)
1726 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs);
1727 #endif
1728
1729 /* ack ints */
1730 outb(status, chip->iobase + HOST_INT_STATUS);
1731
1732 return IRQ_HANDLED;
1733 }
1734
1735
1736 /*
1737 */
1738
1739 static struct snd_pcm_hardware snd_m3_playback =
1740 {
1741 .info = (SNDRV_PCM_INFO_MMAP |
1742 SNDRV_PCM_INFO_INTERLEAVED |
1743 SNDRV_PCM_INFO_MMAP_VALID |
1744 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1745 /*SNDRV_PCM_INFO_PAUSE |*/
1746 SNDRV_PCM_INFO_RESUME),
1747 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1748 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1749 .rate_min = 8000,
1750 .rate_max = 48000,
1751 .channels_min = 1,
1752 .channels_max = 2,
1753 .buffer_bytes_max = (512*1024),
1754 .period_bytes_min = 64,
1755 .period_bytes_max = (512*1024),
1756 .periods_min = 1,
1757 .periods_max = 1024,
1758 };
1759
1760 static struct snd_pcm_hardware snd_m3_capture =
1761 {
1762 .info = (SNDRV_PCM_INFO_MMAP |
1763 SNDRV_PCM_INFO_INTERLEAVED |
1764 SNDRV_PCM_INFO_MMAP_VALID |
1765 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1766 /*SNDRV_PCM_INFO_PAUSE |*/
1767 SNDRV_PCM_INFO_RESUME),
1768 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1769 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1770 .rate_min = 8000,
1771 .rate_max = 48000,
1772 .channels_min = 1,
1773 .channels_max = 2,
1774 .buffer_bytes_max = (512*1024),
1775 .period_bytes_min = 64,
1776 .period_bytes_max = (512*1024),
1777 .periods_min = 1,
1778 .periods_max = 1024,
1779 };
1780
1781
1782 /*
1783 */
1784
1785 static int
1786 snd_m3_substream_open(struct snd_m3 *chip, struct snd_pcm_substream *subs)
1787 {
1788 int i;
1789 struct m3_dma *s;
1790
1791 spin_lock_irq(&chip->reg_lock);
1792 for (i = 0; i < chip->num_substreams; i++) {
1793 s = &chip->substreams[i];
1794 if (! s->opened)
1795 goto __found;
1796 }
1797 spin_unlock_irq(&chip->reg_lock);
1798 return -ENOMEM;
1799 __found:
1800 s->opened = 1;
1801 s->running = 0;
1802 spin_unlock_irq(&chip->reg_lock);
1803
1804 subs->runtime->private_data = s;
1805 s->substream = subs;
1806
1807 /* set list owners */
1808 if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1809 s->index_list[0] = &chip->mixer_list;
1810 } else
1811 s->index_list[0] = &chip->adc1_list;
1812 s->index_list[1] = &chip->msrc_list;
1813 s->index_list[2] = &chip->dma_list;
1814
1815 return 0;
1816 }
1817
1818 static void
1819 snd_m3_substream_close(struct snd_m3 *chip, struct snd_pcm_substream *subs)
1820 {
1821 struct m3_dma *s = subs->runtime->private_data;
1822
1823 if (s == NULL)
1824 return; /* not opened properly */
1825
1826 spin_lock_irq(&chip->reg_lock);
1827 if (s->substream && s->running)
1828 snd_m3_pcm_stop(chip, s, s->substream); /* does this happen? */
1829 if (s->in_lists) {
1830 snd_m3_remove_list(chip, s->index_list[0], s->index[0]);
1831 snd_m3_remove_list(chip, s->index_list[1], s->index[1]);
1832 snd_m3_remove_list(chip, s->index_list[2], s->index[2]);
1833 s->in_lists = 0;
1834 }
1835 s->running = 0;
1836 s->opened = 0;
1837 spin_unlock_irq(&chip->reg_lock);
1838 }
1839
1840 static int
1841 snd_m3_playback_open(struct snd_pcm_substream *subs)
1842 {
1843 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1844 struct snd_pcm_runtime *runtime = subs->runtime;
1845 int err;
1846
1847 if ((err = snd_m3_substream_open(chip, subs)) < 0)
1848 return err;
1849
1850 runtime->hw = snd_m3_playback;
1851 snd_pcm_set_sync(subs);
1852
1853 return 0;
1854 }
1855
1856 static int
1857 snd_m3_playback_close(struct snd_pcm_substream *subs)
1858 {
1859 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1860
1861 snd_m3_substream_close(chip, subs);
1862 return 0;
1863 }
1864
1865 static int
1866 snd_m3_capture_open(struct snd_pcm_substream *subs)
1867 {
1868 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1869 struct snd_pcm_runtime *runtime = subs->runtime;
1870 int err;
1871
1872 if ((err = snd_m3_substream_open(chip, subs)) < 0)
1873 return err;
1874
1875 runtime->hw = snd_m3_capture;
1876 snd_pcm_set_sync(subs);
1877
1878 return 0;
1879 }
1880
1881 static int
1882 snd_m3_capture_close(struct snd_pcm_substream *subs)
1883 {
1884 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1885
1886 snd_m3_substream_close(chip, subs);
1887 return 0;
1888 }
1889
1890 /*
1891 * create pcm instance
1892 */
1893
1894 static struct snd_pcm_ops snd_m3_playback_ops = {
1895 .open = snd_m3_playback_open,
1896 .close = snd_m3_playback_close,
1897 .ioctl = snd_pcm_lib_ioctl,
1898 .hw_params = snd_m3_pcm_hw_params,
1899 .hw_free = snd_m3_pcm_hw_free,
1900 .prepare = snd_m3_pcm_prepare,
1901 .trigger = snd_m3_pcm_trigger,
1902 .pointer = snd_m3_pcm_pointer,
1903 };
1904
1905 static struct snd_pcm_ops snd_m3_capture_ops = {
1906 .open = snd_m3_capture_open,
1907 .close = snd_m3_capture_close,
1908 .ioctl = snd_pcm_lib_ioctl,
1909 .hw_params = snd_m3_pcm_hw_params,
1910 .hw_free = snd_m3_pcm_hw_free,
1911 .prepare = snd_m3_pcm_prepare,
1912 .trigger = snd_m3_pcm_trigger,
1913 .pointer = snd_m3_pcm_pointer,
1914 };
1915
1916 static int __devinit
1917 snd_m3_pcm(struct snd_m3 * chip, int device)
1918 {
1919 struct snd_pcm *pcm;
1920 int err;
1921
1922 err = snd_pcm_new(chip->card, chip->card->driver, device,
1923 MAX_PLAYBACKS, MAX_CAPTURES, &pcm);
1924 if (err < 0)
1925 return err;
1926
1927 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_m3_playback_ops);
1928 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_m3_capture_ops);
1929
1930 pcm->private_data = chip;
1931 pcm->info_flags = 0;
1932 strcpy(pcm->name, chip->card->driver);
1933 chip->pcm = pcm;
1934
1935 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1936 snd_dma_pci_data(chip->pci), 64*1024, 64*1024);
1937
1938 return 0;
1939 }
1940
1941
1942 /*
1943 * ac97 interface
1944 */
1945
1946 /*
1947 * Wait for the ac97 serial bus to be free.
1948 * return nonzero if the bus is still busy.
1949 */
1950 static int snd_m3_ac97_wait(struct snd_m3 *chip)
1951 {
1952 int i = 10000;
1953
1954 do {
1955 if (! (snd_m3_inb(chip, 0x30) & 1))
1956 return 0;
1957 cpu_relax();
1958 } while (i-- > 0);
1959
1960 snd_printk(KERN_ERR "ac97 serial bus busy\n");
1961 return 1;
1962 }
1963
1964 static unsigned short
1965 snd_m3_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
1966 {
1967 struct snd_m3 *chip = ac97->private_data;
1968 unsigned long flags;
1969 unsigned short data = 0xffff;
1970
1971 if (snd_m3_ac97_wait(chip))
1972 goto fail;
1973 spin_lock_irqsave(&chip->ac97_lock, flags);
1974 snd_m3_outb(chip, 0x80 | (reg & 0x7f), CODEC_COMMAND);
1975 if (snd_m3_ac97_wait(chip))
1976 goto fail_unlock;
1977 data = snd_m3_inw(chip, CODEC_DATA);
1978 fail_unlock:
1979 spin_unlock_irqrestore(&chip->ac97_lock, flags);
1980 fail:
1981 return data;
1982 }
1983
1984 static void
1985 snd_m3_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val)
1986 {
1987 struct snd_m3 *chip = ac97->private_data;
1988 unsigned long flags;
1989
1990 if (snd_m3_ac97_wait(chip))
1991 return;
1992 spin_lock_irqsave(&chip->ac97_lock, flags);
1993 snd_m3_outw(chip, val, CODEC_DATA);
1994 snd_m3_outb(chip, reg & 0x7f, CODEC_COMMAND);
1995 spin_unlock_irqrestore(&chip->ac97_lock, flags);
1996 }
1997
1998
1999 static void snd_m3_remote_codec_config(int io, int isremote)
2000 {
2001 isremote = isremote ? 1 : 0;
2002
2003 outw((inw(io + RING_BUS_CTRL_B) & ~SECOND_CODEC_ID_MASK) | isremote,
2004 io + RING_BUS_CTRL_B);
2005 outw((inw(io + SDO_OUT_DEST_CTRL) & ~COMMAND_ADDR_OUT) | isremote,
2006 io + SDO_OUT_DEST_CTRL);
2007 outw((inw(io + SDO_IN_DEST_CTRL) & ~STATUS_ADDR_IN) | isremote,
2008 io + SDO_IN_DEST_CTRL);
2009 }
2010
2011 /*
2012 * hack, returns non zero on err
2013 */
2014 static int snd_m3_try_read_vendor(struct snd_m3 *chip)
2015 {
2016 u16 ret;
2017
2018 if (snd_m3_ac97_wait(chip))
2019 return 1;
2020
2021 snd_m3_outb(chip, 0x80 | (AC97_VENDOR_ID1 & 0x7f), 0x30);
2022
2023 if (snd_m3_ac97_wait(chip))
2024 return 1;
2025
2026 ret = snd_m3_inw(chip, 0x32);
2027
2028 return (ret == 0) || (ret == 0xffff);
2029 }
2030
2031 static void snd_m3_ac97_reset(struct snd_m3 *chip)
2032 {
2033 u16 dir;
2034 int delay1 = 0, delay2 = 0, i;
2035 int io = chip->iobase;
2036
2037 if (chip->allegro_flag) {
2038 /*
2039 * the onboard codec on the allegro seems
2040 * to want to wait a very long time before
2041 * coming back to life
2042 */
2043 delay1 = 50;
2044 delay2 = 800;
2045 } else {
2046 /* maestro3 */
2047 delay1 = 20;
2048 delay2 = 500;
2049 }
2050
2051 for (i = 0; i < 5; i++) {
2052 dir = inw(io + GPIO_DIRECTION);
2053 if (! chip->quirk || ! chip->quirk->irda_workaround)
2054 dir |= 0x10; /* assuming pci bus master? */
2055
2056 snd_m3_remote_codec_config(io, 0);
2057
2058 outw(IO_SRAM_ENABLE, io + RING_BUS_CTRL_A);
2059 udelay(20);
2060
2061 outw(dir & ~GPO_PRIMARY_AC97 , io + GPIO_DIRECTION);
2062 outw(~GPO_PRIMARY_AC97 , io + GPIO_MASK);
2063 outw(0, io + GPIO_DATA);
2064 outw(dir | GPO_PRIMARY_AC97, io + GPIO_DIRECTION);
2065
2066 schedule_timeout_uninterruptible(msecs_to_jiffies(delay1));
2067
2068 outw(GPO_PRIMARY_AC97, io + GPIO_DATA);
2069 udelay(5);
2070 /* ok, bring back the ac-link */
2071 outw(IO_SRAM_ENABLE | SERIAL_AC_LINK_ENABLE, io + RING_BUS_CTRL_A);
2072 outw(~0, io + GPIO_MASK);
2073
2074 schedule_timeout_uninterruptible(msecs_to_jiffies(delay2));
2075
2076 if (! snd_m3_try_read_vendor(chip))
2077 break;
2078
2079 delay1 += 10;
2080 delay2 += 100;
2081
2082 snd_printd("maestro3: retrying codec reset with delays of %d and %d ms\n",
2083 delay1, delay2);
2084 }
2085
2086 #if 0
2087 /* more gung-ho reset that doesn't
2088 * seem to work anywhere :)
2089 */
2090 tmp = inw(io + RING_BUS_CTRL_A);
2091 outw(RAC_SDFS_ENABLE|LAC_SDFS_ENABLE, io + RING_BUS_CTRL_A);
2092 msleep(20);
2093 outw(tmp, io + RING_BUS_CTRL_A);
2094 msleep(50);
2095 #endif
2096 }
2097
2098 static int __devinit snd_m3_mixer(struct snd_m3 *chip)
2099 {
2100 struct snd_ac97_bus *pbus;
2101 struct snd_ac97_template ac97;
2102 struct snd_ctl_elem_id id;
2103 int err;
2104 static struct snd_ac97_bus_ops ops = {
2105 .write = snd_m3_ac97_write,
2106 .read = snd_m3_ac97_read,
2107 };
2108
2109 if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0)
2110 return err;
2111
2112 memset(&ac97, 0, sizeof(ac97));
2113 ac97.private_data = chip;
2114 if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2115 return err;
2116
2117 /* seems ac97 PCM needs initialization.. hack hack.. */
2118 snd_ac97_write(chip->ac97, AC97_PCM, 0x8000 | (15 << 8) | 15);
2119 schedule_timeout_uninterruptible(msecs_to_jiffies(100));
2120 snd_ac97_write(chip->ac97, AC97_PCM, 0);
2121
2122 memset(&id, 0, sizeof(id));
2123 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2124 strcpy(id.name, "Master Playback Switch");
2125 chip->master_switch = snd_ctl_find_id(chip->card, &id);
2126 memset(&id, 0, sizeof(id));
2127 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2128 strcpy(id.name, "Master Playback Volume");
2129 chip->master_volume = snd_ctl_find_id(chip->card, &id);
2130
2131 return 0;
2132 }
2133
2134
2135 /*
2136 * DSP Code images
2137 */
2138
2139 static const u16 assp_kernel_image[] = {
2140 0x7980, 0x0030, 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x00FB, 0x7980, 0x00DD, 0x7980, 0x03B4,
2141 0x7980, 0x0332, 0x7980, 0x0287, 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x03B4,
2142 0x7980, 0x031A, 0x7980, 0x03B4, 0x7980, 0x022F, 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x03B4,
2143 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x0063, 0x7980, 0x006B, 0x7980, 0x03B4, 0x7980, 0x03B4,
2144 0xBF80, 0x2C7C, 0x8806, 0x8804, 0xBE40, 0xBC20, 0xAE09, 0x1000, 0xAE0A, 0x0001, 0x6938, 0xEB08,
2145 0x0053, 0x695A, 0xEB08, 0x00D6, 0x0009, 0x8B88, 0x6980, 0xE388, 0x0036, 0xBE30, 0xBC20, 0x6909,
2146 0xB801, 0x9009, 0xBE41, 0xBE41, 0x6928, 0xEB88, 0x0078, 0xBE41, 0xBE40, 0x7980, 0x0038, 0xBE41,
2147 0xBE41, 0x903A, 0x6938, 0xE308, 0x0056, 0x903A, 0xBE41, 0xBE40, 0xEF00, 0x903A, 0x6939, 0xE308,
2148 0x005E, 0x903A, 0xEF00, 0x690B, 0x660C, 0xEF8C, 0x690A, 0x660C, 0x620B, 0x6609, 0xEF00, 0x6910,
2149 0x660F, 0xEF04, 0xE388, 0x0075, 0x690E, 0x660F, 0x6210, 0x660D, 0xEF00, 0x690E, 0x660D, 0xEF00,
2150 0xAE70, 0x0001, 0xBC20, 0xAE27, 0x0001, 0x6939, 0xEB08, 0x005D, 0x6926, 0xB801, 0x9026, 0x0026,
2151 0x8B88, 0x6980, 0xE388, 0x00CB, 0x9028, 0x0D28, 0x4211, 0xE100, 0x007A, 0x4711, 0xE100, 0x00A0,
2152 0x7A80, 0x0063, 0xB811, 0x660A, 0x6209, 0xE304, 0x007A, 0x0C0B, 0x4005, 0x100A, 0xBA01, 0x9012,
2153 0x0C12, 0x4002, 0x7980, 0x00AF, 0x7A80, 0x006B, 0xBE02, 0x620E, 0x660D, 0xBA10, 0xE344, 0x007A,
2154 0x0C10, 0x4005, 0x100E, 0xBA01, 0x9012, 0x0C12, 0x4002, 0x1003, 0xBA02, 0x9012, 0x0C12, 0x4000,
2155 0x1003, 0xE388, 0x00BA, 0x1004, 0x7980, 0x00BC, 0x1004, 0xBA01, 0x9012, 0x0C12, 0x4001, 0x0C05,
2156 0x4003, 0x0C06, 0x4004, 0x1011, 0xBFB0, 0x01FF, 0x9012, 0x0C12, 0x4006, 0xBC20, 0xEF00, 0xAE26,
2157 0x1028, 0x6970, 0xBFD0, 0x0001, 0x9070, 0xE388, 0x007A, 0xAE28, 0x0000, 0xEF00, 0xAE70, 0x0300,
2158 0x0C70, 0xB00C, 0xAE5A, 0x0000, 0xEF00, 0x7A80, 0x038A, 0x697F, 0xB801, 0x907F, 0x0056, 0x8B88,
2159 0x0CA0, 0xB008, 0xAF71, 0xB000, 0x4E71, 0xE200, 0x00F3, 0xAE56, 0x1057, 0x0056, 0x0CA0, 0xB008,
2160 0x8056, 0x7980, 0x03A1, 0x0810, 0xBFA0, 0x1059, 0xE304, 0x03A1, 0x8056, 0x7980, 0x03A1, 0x7A80,
2161 0x038A, 0xBF01, 0xBE43, 0xBE59, 0x907C, 0x6937, 0xE388, 0x010D, 0xBA01, 0xE308, 0x010C, 0xAE71,
2162 0x0004, 0x0C71, 0x5000, 0x6936, 0x9037, 0xBF0A, 0x109E, 0x8B8A, 0xAF80, 0x8014, 0x4C80, 0xBF0A,
2163 0x0560, 0xF500, 0xBF0A, 0x0520, 0xB900, 0xBB17, 0x90A0, 0x6917, 0xE388, 0x0148, 0x0D17, 0xE100,
2164 0x0127, 0xBF0C, 0x0578, 0xBF0D, 0x057C, 0x7980, 0x012B, 0xBF0C, 0x0538, 0xBF0D, 0x053C, 0x6900,
2165 0xE308, 0x0135, 0x8B8C, 0xBE59, 0xBB07, 0x90A0, 0xBC20, 0x7980, 0x0157, 0x030C, 0x8B8B, 0xB903,
2166 0x8809, 0xBEC6, 0x013E, 0x69AC, 0x90AB, 0x69AD, 0x90AB, 0x0813, 0x660A, 0xE344, 0x0144, 0x0309,
2167 0x830C, 0xBC20, 0x7980, 0x0157, 0x6955, 0xE388, 0x0157, 0x7C38, 0xBF0B, 0x0578, 0xF500, 0xBF0B,
2168 0x0538, 0xB907, 0x8809, 0xBEC6, 0x0156, 0x10AB, 0x90AA, 0x6974, 0xE388, 0x0163, 0xAE72, 0x0540,
2169 0xF500, 0xAE72, 0x0500, 0xAE61, 0x103B, 0x7A80, 0x02F6, 0x6978, 0xE388, 0x0182, 0x8B8C, 0xBF0C,
2170 0x0560, 0xE500, 0x7C40, 0x0814, 0xBA20, 0x8812, 0x733D, 0x7A80, 0x0380, 0x733E, 0x7A80, 0x0380,
2171 0x8B8C, 0xBF0C, 0x056C, 0xE500, 0x7C40, 0x0814, 0xBA2C, 0x8812, 0x733F, 0x7A80, 0x0380, 0x7340,
2172 0x7A80, 0x0380, 0x6975, 0xE388, 0x018E, 0xAE72, 0x0548, 0xF500, 0xAE72, 0x0508, 0xAE61, 0x1041,
2173 0x7A80, 0x02F6, 0x6979, 0xE388, 0x01AD, 0x8B8C, 0xBF0C, 0x0560, 0xE500, 0x7C40, 0x0814, 0xBA18,
2174 0x8812, 0x7343, 0x7A80, 0x0380, 0x7344, 0x7A80, 0x0380, 0x8B8C, 0xBF0C, 0x056C, 0xE500, 0x7C40,
2175 0x0814, 0xBA24, 0x8812, 0x7345, 0x7A80, 0x0380, 0x7346, 0x7A80, 0x0380, 0x6976, 0xE388, 0x01B9,
2176 0xAE72, 0x0558, 0xF500, 0xAE72, 0x0518, 0xAE61, 0x1047, 0x7A80, 0x02F6, 0x697A, 0xE388, 0x01D8,
2177 0x8B8C, 0xBF0C, 0x0560, 0xE500, 0x7C40, 0x0814, 0xBA08, 0x8812, 0x7349, 0x7A80, 0x0380, 0x734A,
2178 0x7A80, 0x0380, 0x8B8C, 0xBF0C, 0x056C, 0xE500, 0x7C40, 0x0814, 0xBA14, 0x8812, 0x734B, 0x7A80,
2179 0x0380, 0x734C, 0x7A80, 0x0380, 0xBC21, 0xAE1C, 0x1090, 0x8B8A, 0xBF0A, 0x0560, 0xE500, 0x7C40,
2180 0x0812, 0xB804, 0x8813, 0x8B8D, 0xBF0D, 0x056C, 0xE500, 0x7C40, 0x0815, 0xB804, 0x8811, 0x7A80,
2181 0x034A, 0x8B8A, 0xBF0A, 0x0560, 0xE500, 0x7C40, 0x731F, 0xB903, 0x8809, 0xBEC6, 0x01F9, 0x548A,
2182 0xBE03, 0x98A0, 0x7320, 0xB903, 0x8809, 0xBEC6, 0x0201, 0x548A, 0xBE03, 0x98A0, 0x1F20, 0x2F1F,
2183 0x9826, 0xBC20, 0x6935, 0xE388, 0x03A1, 0x6933, 0xB801, 0x9033, 0xBFA0, 0x02EE, 0xE308, 0x03A1,
2184 0x9033, 0xBF00, 0x6951, 0xE388, 0x021F, 0x7334, 0xBE80, 0x5760, 0xBE03, 0x9F7E, 0xBE59, 0x9034,
2185 0x697E, 0x0D51, 0x9013, 0xBC20, 0x695C, 0xE388, 0x03A1, 0x735E, 0xBE80, 0x5760, 0xBE03, 0x9F7E,
2186 0xBE59, 0x905E, 0x697E, 0x0D5C, 0x9013, 0x7980, 0x03A1, 0x7A80, 0x038A, 0xBF01, 0xBE43, 0x6977,
2187 0xE388, 0x024E, 0xAE61, 0x104D, 0x0061, 0x8B88, 0x6980, 0xE388, 0x024E, 0x9071, 0x0D71, 0x000B,
2188 0xAFA0, 0x8010, 0xAFA0, 0x8010, 0x0810, 0x660A, 0xE308, 0x0249, 0x0009, 0x0810, 0x660C, 0xE388,
2189 0x024E, 0x800B, 0xBC20, 0x697B, 0xE388, 0x03A1, 0xBF0A, 0x109E, 0x8B8A, 0xAF80, 0x8014, 0x4C80,
2190 0xE100, 0x0266, 0x697C, 0xBF90, 0x0560, 0x9072, 0x0372, 0x697C, 0xBF90, 0x0564, 0x9073, 0x0473,
2191 0x7980, 0x0270, 0x697C, 0xBF90, 0x0520, 0x9072, 0x0372, 0x697C, 0xBF90, 0x0524, 0x9073, 0x0473,
2192 0x697C, 0xB801, 0x907C, 0xBF0A, 0x10FD, 0x8B8A, 0xAF80, 0x8010, 0x734F, 0x548A, 0xBE03, 0x9880,
2193 0xBC21, 0x7326, 0x548B, 0xBE03, 0x618B, 0x988C, 0xBE03, 0x6180, 0x9880, 0x7980, 0x03A1, 0x7A80,
2194 0x038A, 0x0D28, 0x4711, 0xE100, 0x02BE, 0xAF12, 0x4006, 0x6912, 0xBFB0, 0x0C00, 0xE388, 0x02B6,
2195 0xBFA0, 0x0800, 0xE388, 0x02B2, 0x6912, 0xBFB0, 0x0C00, 0xBFA0, 0x0400, 0xE388, 0x02A3, 0x6909,
2196 0x900B, 0x7980, 0x02A5, 0xAF0B, 0x4005, 0x6901, 0x9005, 0x6902, 0x9006, 0x4311, 0xE100, 0x02ED,
2197 0x6911, 0xBFC0, 0x2000, 0x9011, 0x7980, 0x02ED, 0x6909, 0x900B, 0x7980, 0x02B8, 0xAF0B, 0x4005,
2198 0xAF05, 0x4003, 0xAF06, 0x4004, 0x7980, 0x02ED, 0xAF12, 0x4006, 0x6912, 0xBFB0, 0x0C00, 0xE388,
2199 0x02E7, 0xBFA0, 0x0800, 0xE388, 0x02E3, 0x6912, 0xBFB0, 0x0C00, 0xBFA0, 0x0400, 0xE388, 0x02D4,
2200 0x690D, 0x9010, 0x7980, 0x02D6, 0xAF10, 0x4005, 0x6901, 0x9005, 0x6902, 0x9006, 0x4311, 0xE100,
2201 0x02ED, 0x6911, 0xBFC0, 0x2000, 0x9011, 0x7980, 0x02ED, 0x690D, 0x9010, 0x7980, 0x02E9, 0xAF10,
2202 0x4005, 0xAF05, 0x4003, 0xAF06, 0x4004, 0xBC20, 0x6970, 0x9071, 0x7A80, 0x0078, 0x6971, 0x9070,
2203 0x7980, 0x03A1, 0xBC20, 0x0361, 0x8B8B, 0x6980, 0xEF88, 0x0272, 0x0372, 0x7804, 0x9071, 0x0D71,
2204 0x8B8A, 0x000B, 0xB903, 0x8809, 0xBEC6, 0x0309, 0x69A8, 0x90AB, 0x69A8, 0x90AA, 0x0810, 0x660A,
2205 0xE344, 0x030F, 0x0009, 0x0810, 0x660C, 0xE388, 0x0314, 0x800B, 0xBC20, 0x6961, 0xB801, 0x9061,
2206 0x7980, 0x02F7, 0x7A80, 0x038A, 0x5D35, 0x0001, 0x6934, 0xB801, 0x9034, 0xBF0A, 0x109E, 0x8B8A,
2207 0xAF80, 0x8014, 0x4880, 0xAE72, 0x0550, 0xF500, 0xAE72, 0x0510, 0xAE61, 0x1051, 0x7A80, 0x02F6,
2208 0x7980, 0x03A1, 0x7A80, 0x038A, 0x5D35, 0x0002, 0x695E, 0xB801, 0x905E, 0xBF0A, 0x109E, 0x8B8A,
2209 0xAF80, 0x8014, 0x4780, 0xAE72, 0x0558, 0xF500, 0xAE72, 0x0518, 0xAE61, 0x105C, 0x7A80, 0x02F6,
2210 0x7980, 0x03A1, 0x001C, 0x8B88, 0x6980, 0xEF88, 0x901D, 0x0D1D, 0x100F, 0x6610, 0xE38C, 0x0358,
2211 0x690E, 0x6610, 0x620F, 0x660D, 0xBA0F, 0xE301, 0x037A, 0x0410, 0x8B8A, 0xB903, 0x8809, 0xBEC6,
2212 0x036C, 0x6A8C, 0x61AA, 0x98AB, 0x6A8C, 0x61AB, 0x98AD, 0x6A8C, 0x61AD, 0x98A9, 0x6A8C, 0x61A9,
2213 0x98AA, 0x7C04, 0x8B8B, 0x7C04, 0x8B8D, 0x7C04, 0x8B89, 0x7C04, 0x0814, 0x660E, 0xE308, 0x0379,
2214 0x040D, 0x8410, 0xBC21, 0x691C, 0xB801, 0x901C, 0x7980, 0x034A, 0xB903, 0x8809, 0x8B8A, 0xBEC6,
2215 0x0388, 0x54AC, 0xBE03, 0x618C, 0x98AA, 0xEF00, 0xBC20, 0xBE46, 0x0809, 0x906B, 0x080A, 0x906C,
2216 0x080B, 0x906D, 0x081A, 0x9062, 0x081B, 0x9063, 0x081E, 0x9064, 0xBE59, 0x881E, 0x8065, 0x8166,
2217 0x8267, 0x8368, 0x8469, 0x856A, 0xEF00, 0xBC20, 0x696B, 0x8809, 0x696C, 0x880A, 0x696D, 0x880B,
2218 0x6962, 0x881A, 0x6963, 0x881B, 0x6964, 0x881E, 0x0065, 0x0166, 0x0267, 0x0368, 0x0469, 0x056A,
2219 0xBE3A,
2220 };
2221
2222 /*
2223 * Mini sample rate converter code image
2224 * that is to be loaded at 0x400 on the DSP.
2225 */
2226 static const u16 assp_minisrc_image[] = {
2227
2228 0xBF80, 0x101E, 0x906E, 0x006E, 0x8B88, 0x6980, 0xEF88, 0x906F, 0x0D6F, 0x6900, 0xEB08, 0x0412,
2229 0xBC20, 0x696E, 0xB801, 0x906E, 0x7980, 0x0403, 0xB90E, 0x8807, 0xBE43, 0xBF01, 0xBE47, 0xBE41,
2230 0x7A80, 0x002A, 0xBE40, 0x3029, 0xEFCC, 0xBE41, 0x7A80, 0x0028, 0xBE40, 0x3028, 0xEFCC, 0x6907,
2231 0xE308, 0x042A, 0x6909, 0x902C, 0x7980, 0x042C, 0x690D, 0x902C, 0x1009, 0x881A, 0x100A, 0xBA01,
2232 0x881B, 0x100D, 0x881C, 0x100E, 0xBA01, 0x881D, 0xBF80, 0x00ED, 0x881E, 0x050C, 0x0124, 0xB904,
2233 0x9027, 0x6918, 0xE308, 0x04B3, 0x902D, 0x6913, 0xBFA0, 0x7598, 0xF704, 0xAE2D, 0x00FF, 0x8B8D,
2234 0x6919, 0xE308, 0x0463, 0x691A, 0xE308, 0x0456, 0xB907, 0x8809, 0xBEC6, 0x0453, 0x10A9, 0x90AD,
2235 0x7980, 0x047C, 0xB903, 0x8809, 0xBEC6, 0x0460, 0x1889, 0x6C22, 0x90AD, 0x10A9, 0x6E23, 0x6C22,
2236 0x90AD, 0x7980, 0x047C, 0x101A, 0xE308, 0x046F, 0xB903, 0x8809, 0xBEC6, 0x046C, 0x10A9, 0x90A0,
2237 0x90AD, 0x7980, 0x047C, 0xB901, 0x8809, 0xBEC6, 0x047B, 0x1889, 0x6C22, 0x90A0, 0x90AD, 0x10A9,
2238 0x6E23, 0x6C22, 0x90A0, 0x90AD, 0x692D, 0xE308, 0x049C, 0x0124, 0xB703, 0xB902, 0x8818, 0x8B89,
2239 0x022C, 0x108A, 0x7C04, 0x90A0, 0x692B, 0x881F, 0x7E80, 0x055B, 0x692A, 0x8809, 0x8B89, 0x99A0,
2240 0x108A, 0x90A0, 0x692B, 0x881F, 0x7E80, 0x055B, 0x692A, 0x8809, 0x8B89, 0x99AF, 0x7B99, 0x0484,
2241 0x0124, 0x060F, 0x101B, 0x2013, 0x901B, 0xBFA0, 0x7FFF, 0xE344, 0x04AC, 0x901B, 0x8B89, 0x7A80,
2242 0x051A, 0x6927, 0xBA01, 0x9027, 0x7A80, 0x0523, 0x6927, 0xE308, 0x049E, 0x7980, 0x050F, 0x0624,
2243 0x1026, 0x2013, 0x9026, 0xBFA0, 0x7FFF, 0xE304, 0x04C0, 0x8B8D, 0x7A80, 0x051A, 0x7980, 0x04B4,
2244 0x9026, 0x1013, 0x3026, 0x901B, 0x8B8D, 0x7A80, 0x051A, 0x7A80, 0x0523, 0x1027, 0xBA01, 0x9027,
2245 0xE308, 0x04B4, 0x0124, 0x060F, 0x8B89, 0x691A, 0xE308, 0x04EA, 0x6919, 0xE388, 0x04E0, 0xB903,
2246 0x8809, 0xBEC6, 0x04DD, 0x1FA0, 0x2FAE, 0x98A9, 0x7980, 0x050F, 0xB901, 0x8818, 0xB907, 0x8809,
2247 0xBEC6, 0x04E7, 0x10EE, 0x90A9, 0x7980, 0x050F, 0x6919, 0xE308, 0x04FE, 0xB903, 0x8809, 0xBE46,
2248 0xBEC6, 0x04FA, 0x17A0, 0xBE1E, 0x1FAE, 0xBFBF, 0xFF00, 0xBE13, 0xBFDF, 0x8080, 0x99A9, 0xBE47,
2249 0x7980, 0x050F, 0xB901, 0x8809, 0xBEC6, 0x050E, 0x16A0, 0x26A0, 0xBFB7, 0xFF00, 0xBE1E, 0x1EA0,
2250 0x2EAE, 0xBFBF, 0xFF00, 0xBE13, 0xBFDF, 0x8080, 0x99A9, 0x850C, 0x860F, 0x6907, 0xE388, 0x0516,
2251 0x0D07, 0x8510, 0xBE59, 0x881E, 0xBE4A, 0xEF00, 0x101E, 0x901C, 0x101F, 0x901D, 0x10A0, 0x901E,
2252 0x10A0, 0x901F, 0xEF00, 0x101E, 0x301C, 0x9020, 0x731B, 0x5420, 0xBE03, 0x9825, 0x1025, 0x201C,
2253 0x9025, 0x7325, 0x5414, 0xBE03, 0x8B8E, 0x9880, 0x692F, 0xE388, 0x0539, 0xBE59, 0xBB07, 0x6180,
2254 0x9880, 0x8BA0, 0x101F, 0x301D, 0x9021, 0x731B, 0x5421, 0xBE03, 0x982E, 0x102E, 0x201D, 0x902E,
2255 0x732E, 0x5415, 0xBE03, 0x9880, 0x692F, 0xE388, 0x054F, 0xBE59, 0xBB07, 0x6180, 0x9880, 0x8BA0,
2256 0x6918, 0xEF08, 0x7325, 0x5416, 0xBE03, 0x98A0, 0x732E, 0x5417, 0xBE03, 0x98A0, 0xEF00, 0x8BA0,
2257 0xBEC6, 0x056B, 0xBE59, 0xBB04, 0xAA90, 0xBE04, 0xBE1E, 0x99E0, 0x8BE0, 0x69A0, 0x90D0, 0x69A0,
2258 0x90D0, 0x081F, 0xB805, 0x881F, 0x8B90, 0x69A0, 0x90D0, 0x69A0, 0x9090, 0x8BD0, 0x8BD8, 0xBE1F,
2259 0xEF00, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
2260 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
2261 };
2262
2263
2264 /*
2265 * initialize ASSP
2266 */
2267
2268 #define MINISRC_LPF_LEN 10
2269 static const u16 minisrc_lpf[MINISRC_LPF_LEN] = {
2270 0X0743, 0X1104, 0X0A4C, 0XF88D, 0X242C,
2271 0X1023, 0X1AA9, 0X0B60, 0XEFDD, 0X186F
2272 };
2273
2274 static void snd_m3_assp_init(struct snd_m3 *chip)
2275 {
2276 unsigned int i;
2277
2278 /* zero kernel data */
2279 for (i = 0; i < (REV_B_DATA_MEMORY_UNIT_LENGTH * NUM_UNITS_KERNEL_DATA) / 2; i++)
2280 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2281 KDATA_BASE_ADDR + i, 0);
2282
2283 /* zero mixer data? */
2284 for (i = 0; i < (REV_B_DATA_MEMORY_UNIT_LENGTH * NUM_UNITS_KERNEL_DATA) / 2; i++)
2285 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2286 KDATA_BASE_ADDR2 + i, 0);
2287
2288 /* init dma pointer */
2289 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2290 KDATA_CURRENT_DMA,
2291 KDATA_DMA_XFER0);
2292
2293 /* write kernel into code memory.. */
2294 for (i = 0 ; i < ARRAY_SIZE(assp_kernel_image); i++) {
2295 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2296 REV_B_CODE_MEMORY_BEGIN + i,
2297 assp_kernel_image[i]);
2298 }
2299
2300 /*
2301 * We only have this one client and we know that 0x400
2302 * is free in our kernel's mem map, so lets just
2303 * drop it there. It seems that the minisrc doesn't
2304 * need vectors, so we won't bother with them..
2305 */
2306 for (i = 0; i < ARRAY_SIZE(assp_minisrc_image); i++) {
2307 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2308 0x400 + i,
2309 assp_minisrc_image[i]);
2310 }
2311
2312 /*
2313 * write the coefficients for the low pass filter?
2314 */
2315 for (i = 0; i < MINISRC_LPF_LEN ; i++) {
2316 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2317 0x400 + MINISRC_COEF_LOC + i,
2318 minisrc_lpf[i]);
2319 }
2320
2321 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2322 0x400 + MINISRC_COEF_LOC + MINISRC_LPF_LEN,
2323 0x8000);
2324
2325 /*
2326 * the minisrc is the only thing on
2327 * our task list..
2328 */
2329 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2330 KDATA_TASK0,
2331 0x400);
2332
2333 /*
2334 * init the mixer number..
2335 */
2336
2337 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2338 KDATA_MIXER_TASK_NUMBER,0);
2339
2340 /*
2341 * EXTREME KERNEL MASTER VOLUME
2342 */
2343 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2344 KDATA_DAC_LEFT_VOLUME, ARB_VOLUME);
2345 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2346 KDATA_DAC_RIGHT_VOLUME, ARB_VOLUME);
2347
2348 chip->mixer_list.curlen = 0;
2349 chip->mixer_list.mem_addr = KDATA_MIXER_XFER0;
2350 chip->mixer_list.max = MAX_VIRTUAL_MIXER_CHANNELS;
2351 chip->adc1_list.curlen = 0;
2352 chip->adc1_list.mem_addr = KDATA_ADC1_XFER0;
2353 chip->adc1_list.max = MAX_VIRTUAL_ADC1_CHANNELS;
2354 chip->dma_list.curlen = 0;
2355 chip->dma_list.mem_addr = KDATA_DMA_XFER0;
2356 chip->dma_list.max = MAX_VIRTUAL_DMA_CHANNELS;
2357 chip->msrc_list.curlen = 0;
2358 chip->msrc_list.mem_addr = KDATA_INSTANCE0_MINISRC;
2359 chip->msrc_list.max = MAX_INSTANCE_MINISRC;
2360 }
2361
2362
2363 static int __devinit snd_m3_assp_client_init(struct snd_m3 *chip, struct m3_dma *s, int index)
2364 {
2365 int data_bytes = 2 * ( MINISRC_TMP_BUFFER_SIZE / 2 +
2366 MINISRC_IN_BUFFER_SIZE / 2 +
2367 1 + MINISRC_OUT_BUFFER_SIZE / 2 + 1 );
2368 int address, i;
2369
2370 /*
2371 * the revb memory map has 0x1100 through 0x1c00
2372 * free.
2373 */
2374
2375 /*
2376 * align instance address to 256 bytes so that its
2377 * shifted list address is aligned.
2378 * list address = (mem address >> 1) >> 7;
2379 */
2380 data_bytes = (data_bytes + 255) & ~255;
2381 address = 0x1100 + ((data_bytes/2) * index);
2382
2383 if ((address + (data_bytes/2)) >= 0x1c00) {
2384 snd_printk(KERN_ERR "no memory for %d bytes at ind %d (addr 0x%x)\n",
2385 data_bytes, index, address);
2386 return -ENOMEM;
2387 }
2388
2389 s->number = index;
2390 s->inst.code = 0x400;
2391 s->inst.data = address;
2392
2393 for (i = data_bytes / 2; i > 0; address++, i--) {
2394 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2395 address, 0);
2396 }
2397
2398 return 0;
2399 }
2400
2401
2402 /*
2403 * this works for the reference board, have to find
2404 * out about others
2405 *
2406 * this needs more magic for 4 speaker, but..
2407 */
2408 static void
2409 snd_m3_amp_enable(struct snd_m3 *chip, int enable)
2410 {
2411 int io = chip->iobase;
2412 u16 gpo, polarity;
2413
2414 if (! chip->external_amp)
2415 return;
2416
2417 polarity = enable ? 0 : 1;
2418 polarity = polarity << chip->amp_gpio;
2419 gpo = 1 << chip->amp_gpio;
2420
2421 outw(~gpo, io + GPIO_MASK);
2422
2423 outw(inw(io + GPIO_DIRECTION) | gpo,
2424 io + GPIO_DIRECTION);
2425
2426 outw((GPO_SECONDARY_AC97 | GPO_PRIMARY_AC97 | polarity),
2427 io + GPIO_DATA);
2428
2429 outw(0xffff, io + GPIO_MASK);
2430 }
2431
2432 static int
2433 snd_m3_chip_init(struct snd_m3 *chip)
2434 {
2435 struct pci_dev *pcidev = chip->pci;
2436 unsigned long io = chip->iobase;
2437 u32 n;
2438 u16 w;
2439 u8 t; /* makes as much sense as 'n', no? */
2440
2441 pci_read_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, &w);
2442 w &= ~(SOUND_BLASTER_ENABLE|FM_SYNTHESIS_ENABLE|
2443 MPU401_IO_ENABLE|MPU401_IRQ_ENABLE|ALIAS_10BIT_IO|
2444 DISABLE_LEGACY);
2445 pci_write_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, w);
2446
2447 if (chip->hv_quirk && chip->hv_quirk->is_omnibook) {
2448 /*
2449 * Volume buttons on some HP OmniBook laptops don't work
2450 * correctly. This makes them work for the most part.
2451 *
2452 * Volume up and down buttons on the laptop side work.
2453 * Fn+cursor_up (volme up) works.
2454 * Fn+cursor_down (volume down) doesn't work.
2455 * Fn+F7 (mute) works acts as volume up.
2456 */
2457 outw(~(GPI_VOL_DOWN|GPI_VOL_UP), io + GPIO_MASK);
2458 outw(inw(io + GPIO_DIRECTION) & ~(GPI_VOL_DOWN|GPI_VOL_UP), io + GPIO_DIRECTION);
2459 outw((GPI_VOL_DOWN|GPI_VOL_UP), io + GPIO_DATA);
2460 outw(0xffff, io + GPIO_MASK);
2461 }
2462 pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n);
2463 n &= ~(HV_CTRL_ENABLE | REDUCED_DEBOUNCE | HV_BUTTON_FROM_GD);
2464 if (chip->hv_quirk)
2465 n |= chip->hv_quirk->config;
2466 /* For some reason we must always use reduced debounce. */
2467 n |= REDUCED_DEBOUNCE;
2468 n |= PM_CTRL_ENABLE | CLK_DIV_BY_49 | USE_PCI_TIMING;
2469 pci_write_config_dword(pcidev, PCI_ALLEGRO_CONFIG, n);
2470
2471 outb(RESET_ASSP, chip->iobase + ASSP_CONTROL_B);
2472 pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n);
2473 n &= ~INT_CLK_SELECT;
2474 if (!chip->allegro_flag) {
2475 n &= ~INT_CLK_MULT_ENABLE;
2476 n |= INT_CLK_SRC_NOT_PCI;
2477 }
2478 n &= ~( CLK_MULT_MODE_SELECT | CLK_MULT_MODE_SELECT_2 );
2479 pci_write_config_dword(pcidev, PCI_ALLEGRO_CONFIG, n);
2480
2481 if (chip->allegro_flag) {
2482 pci_read_config_dword(pcidev, PCI_USER_CONFIG, &n);
2483 n |= IN_CLK_12MHZ_SELECT;
2484 pci_write_config_dword(pcidev, PCI_USER_CONFIG, n);
2485 }
2486
2487 t = inb(chip->iobase + ASSP_CONTROL_A);
2488 t &= ~( DSP_CLK_36MHZ_SELECT | ASSP_CLK_49MHZ_SELECT);
2489 t |= ASSP_CLK_49MHZ_SELECT;
2490 t |= ASSP_0_WS_ENABLE;
2491 outb(t, chip->iobase + ASSP_CONTROL_A);
2492
2493 snd_m3_assp_init(chip); /* download DSP code before starting ASSP below */
2494 outb(RUN_ASSP, chip->iobase + ASSP_CONTROL_B);
2495
2496 outb(0x00, io + HARDWARE_VOL_CTRL);
2497 outb(0x88, io + SHADOW_MIX_REG_VOICE);
2498 outb(0x88, io + HW_VOL_COUNTER_VOICE);
2499 outb(0x88, io + SHADOW_MIX_REG_MASTER);
2500 outb(0x88, io + HW_VOL_COUNTER_MASTER);
2501
2502 return 0;
2503 }
2504
2505 static void
2506 snd_m3_enable_ints(struct snd_m3 *chip)
2507 {
2508 unsigned long io = chip->iobase;
2509 unsigned short val;
2510
2511 /* TODO: MPU401 not supported yet */
2512 val = ASSP_INT_ENABLE /*| MPU401_INT_ENABLE*/;
2513 if (chip->hv_quirk && (chip->hv_quirk->config & HV_CTRL_ENABLE))
2514 val |= HV_INT_ENABLE;
2515 outw(val, io + HOST_INT_CTRL);
2516 outb(inb(io + ASSP_CONTROL_C) | ASSP_HOST_INT_ENABLE,
2517 io + ASSP_CONTROL_C);
2518 }
2519
2520
2521 /*
2522 */
2523
2524 static int snd_m3_free(struct snd_m3 *chip)
2525 {
2526 struct m3_dma *s;
2527 int i;
2528
2529 if (chip->substreams) {
2530 spin_lock_irq(&chip->reg_lock);
2531 for (i = 0; i < chip->num_substreams; i++) {
2532 s = &chip->substreams[i];
2533 /* check surviving pcms; this should not happen though.. */
2534 if (s->substream && s->running)
2535 snd_m3_pcm_stop(chip, s, s->substream);
2536 }
2537 spin_unlock_irq(&chip->reg_lock);
2538 kfree(chip->substreams);
2539 }
2540 if (chip->iobase) {
2541 outw(0, chip->iobase + HOST_INT_CTRL); /* disable ints */
2542 }
2543
2544 #ifdef CONFIG_PM
2545 vfree(chip->suspend_mem);
2546 #endif
2547
2548 if (chip->irq >= 0) {
2549 synchronize_irq(chip->irq);
2550 free_irq(chip->irq, chip);
2551 }
2552
2553 if (chip->iobase)
2554 pci_release_regions(chip->pci);
2555
2556 pci_disable_device(chip->pci);
2557 kfree(chip);
2558 return 0;
2559 }
2560
2561
2562 /*
2563 * APM support
2564 */
2565 #ifdef CONFIG_PM
2566 static int m3_suspend(struct pci_dev *pci, pm_message_t state)
2567 {
2568 struct snd_card *card = pci_get_drvdata(pci);
2569 struct snd_m3 *chip = card->private_data;
2570 int i, index;
2571
2572 if (chip->suspend_mem == NULL)
2573 return 0;
2574
2575 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2576 snd_pcm_suspend_all(chip->pcm);
2577 snd_ac97_suspend(chip->ac97);
2578
2579 msleep(10); /* give the assp a chance to idle.. */
2580
2581 snd_m3_assp_halt(chip);
2582
2583 /* save dsp image */
2584 index = 0;
2585 for (i = REV_B_CODE_MEMORY_BEGIN; i <= REV_B_CODE_MEMORY_END; i++)
2586 chip->suspend_mem[index++] =
2587 snd_m3_assp_read(chip, MEMTYPE_INTERNAL_CODE, i);
2588 for (i = REV_B_DATA_MEMORY_BEGIN ; i <= REV_B_DATA_MEMORY_END; i++)
2589 chip->suspend_mem[index++] =
2590 snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA, i);
2591
2592 /* power down apci registers */
2593 snd_m3_outw(chip, 0xffff, 0x54);
2594 snd_m3_outw(chip, 0xffff, 0x56);
2595
2596 pci_disable_device(pci);
2597 pci_save_state(pci);
2598 return 0;
2599 }
2600
2601 static int m3_resume(struct pci_dev *pci)
2602 {
2603 struct snd_card *card = pci_get_drvdata(pci);
2604 struct snd_m3 *chip = card->private_data;
2605 int i, index;
2606
2607 if (chip->suspend_mem == NULL)
2608 return 0;
2609
2610 pci_restore_state(pci);
2611 pci_enable_device(pci);
2612 pci_set_master(pci);
2613
2614 /* first lets just bring everything back. .*/
2615 snd_m3_outw(chip, 0, 0x54);
2616 snd_m3_outw(chip, 0, 0x56);
2617
2618 snd_m3_chip_init(chip);
2619 snd_m3_assp_halt(chip);
2620 snd_m3_ac97_reset(chip);
2621
2622 /* restore dsp image */
2623 index = 0;
2624 for (i = REV_B_CODE_MEMORY_BEGIN; i <= REV_B_CODE_MEMORY_END; i++)
2625 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, i,
2626 chip->suspend_mem[index++]);
2627 for (i = REV_B_DATA_MEMORY_BEGIN ; i <= REV_B_DATA_MEMORY_END; i++)
2628 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, i,
2629 chip->suspend_mem[index++]);
2630
2631 /* tell the dma engine to restart itself */
2632 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2633 KDATA_DMA_ACTIVE, 0);
2634
2635 /* restore ac97 registers */
2636 snd_ac97_resume(chip->ac97);
2637
2638 snd_m3_assp_continue(chip);
2639 snd_m3_enable_ints(chip);
2640 snd_m3_amp_enable(chip, 1);
2641
2642 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2643 return 0;
2644 }
2645 #endif /* CONFIG_PM */
2646
2647
2648 /*
2649 */
2650
2651 static int snd_m3_dev_free(struct snd_device *device)
2652 {
2653 struct snd_m3 *chip = device->device_data;
2654 return snd_m3_free(chip);
2655 }
2656
2657 static int __devinit
2658 snd_m3_create(struct snd_card *card, struct pci_dev *pci,
2659 int enable_amp,
2660 int amp_gpio,
2661 struct snd_m3 **chip_ret)
2662 {
2663 struct snd_m3 *chip;
2664 int i, err;
2665 const struct m3_quirk *quirk;
2666 const struct m3_hv_quirk *hv_quirk;
2667 static struct snd_device_ops ops = {
2668 .dev_free = snd_m3_dev_free,
2669 };
2670
2671 *chip_ret = NULL;
2672
2673 if (pci_enable_device(pci))
2674 return -EIO;
2675
2676 /* check, if we can restrict PCI DMA transfers to 28 bits */
2677 if (pci_set_dma_mask(pci, DMA_28BIT_MASK) < 0 ||
2678 pci_set_consistent_dma_mask(pci, DMA_28BIT_MASK) < 0) {
2679 snd_printk(KERN_ERR "architecture does not support 28bit PCI busmaster DMA\n");
2680 pci_disable_device(pci);
2681 return -ENXIO;
2682 }
2683
2684 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
2685 if (chip == NULL) {
2686 pci_disable_device(pci);
2687 return -ENOMEM;
2688 }
2689
2690 spin_lock_init(&chip->reg_lock);
2691 spin_lock_init(&chip->ac97_lock);
2692
2693 switch (pci->device) {
2694 case PCI_DEVICE_ID_ESS_ALLEGRO:
2695 case PCI_DEVICE_ID_ESS_ALLEGRO_1:
2696 case PCI_DEVICE_ID_ESS_CANYON3D_2LE:
2697 case PCI_DEVICE_ID_ESS_CANYON3D_2:
2698 chip->allegro_flag = 1;
2699 break;
2700 }
2701
2702 chip->card = card;
2703 chip->pci = pci;
2704 chip->irq = -1;
2705
2706 for (quirk = m3_quirk_list; quirk->vendor; quirk++) {
2707 if (pci->subsystem_vendor == quirk->vendor &&
2708 pci->subsystem_device == quirk->device) {
2709 printk(KERN_INFO "maestro3: enabled hack for '%s'\n", quirk->name);
2710 chip->quirk = quirk;
2711 break;
2712 }
2713 }
2714
2715 for (hv_quirk = m3_hv_quirk_list; hv_quirk->vendor; hv_quirk++) {
2716 if (pci->vendor == hv_quirk->vendor &&
2717 pci->device == hv_quirk->device &&
2718 pci->subsystem_vendor == hv_quirk->subsystem_vendor &&
2719 pci->subsystem_device == hv_quirk->subsystem_device) {
2720 chip->hv_quirk = hv_quirk;
2721 break;
2722 }
2723 }
2724
2725 chip->external_amp = enable_amp;
2726 if (amp_gpio >= 0 && amp_gpio <= 0x0f)
2727 chip->amp_gpio = amp_gpio;
2728 else if (chip->quirk && chip->quirk->amp_gpio >= 0)
2729 chip->amp_gpio = chip->quirk->amp_gpio;
2730 else if (chip->allegro_flag)
2731 chip->amp_gpio = GPO_EXT_AMP_ALLEGRO;
2732 else /* presumably this is for all 'maestro3's.. */
2733 chip->amp_gpio = GPO_EXT_AMP_M3;
2734
2735 chip->num_substreams = NR_DSPS;
2736 chip->substreams = kcalloc(chip->num_substreams, sizeof(struct m3_dma),
2737 GFP_KERNEL);
2738 if (chip->substreams == NULL) {
2739 kfree(chip);
2740 pci_disable_device(pci);
2741 return -ENOMEM;
2742 }
2743
2744 if ((err = pci_request_regions(pci, card->driver)) < 0) {
2745 snd_m3_free(chip);
2746 return err;
2747 }
2748 chip->iobase = pci_resource_start(pci, 0);
2749
2750 /* just to be sure */
2751 pci_set_master(pci);
2752
2753 snd_m3_chip_init(chip);
2754 snd_m3_assp_halt(chip);
2755
2756 snd_m3_ac97_reset(chip);
2757
2758 snd_m3_amp_enable(chip, 1);
2759
2760 tasklet_init(&chip->hwvol_tq, snd_m3_update_hw_volume, (unsigned long)chip);
2761
2762 if (request_irq(pci->irq, snd_m3_interrupt, IRQF_DISABLED|IRQF_SHARED,
2763 card->driver, chip)) {
2764 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2765 snd_m3_free(chip);
2766 return -ENOMEM;
2767 }
2768 chip->irq = pci->irq;
2769
2770 #ifdef CONFIG_PM
2771 chip->suspend_mem = vmalloc(sizeof(u16) * (REV_B_CODE_MEMORY_LENGTH + REV_B_DATA_MEMORY_LENGTH));
2772 if (chip->suspend_mem == NULL)
2773 snd_printk(KERN_WARNING "can't allocate apm buffer\n");
2774 #endif
2775
2776 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
2777 snd_m3_free(chip);
2778 return err;
2779 }
2780
2781 if ((err = snd_m3_mixer(chip)) < 0)
2782 return err;
2783
2784 for (i = 0; i < chip->num_substreams; i++) {
2785 struct m3_dma *s = &chip->substreams[i];
2786 if ((err = snd_m3_assp_client_init(chip, s, i)) < 0)
2787 return err;
2788 }
2789
2790 if ((err = snd_m3_pcm(chip, 0)) < 0)
2791 return err;
2792
2793 snd_m3_enable_ints(chip);
2794 snd_m3_assp_continue(chip);
2795
2796 snd_card_set_dev(card, &pci->dev);
2797
2798 *chip_ret = chip;
2799
2800 return 0;
2801 }
2802
2803 /*
2804 */
2805 static int __devinit
2806 snd_m3_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2807 {
2808 static int dev;
2809 struct snd_card *card;
2810 struct snd_m3 *chip;
2811 int err;
2812
2813 /* don't pick up modems */
2814 if (((pci->class >> 8) & 0xffff) != PCI_CLASS_MULTIMEDIA_AUDIO)
2815 return -ENODEV;
2816
2817 if (dev >= SNDRV_CARDS)
2818 return -ENODEV;
2819 if (!enable[dev]) {
2820 dev++;
2821 return -ENOENT;
2822 }
2823
2824 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2825 if (card == NULL)
2826 return -ENOMEM;
2827
2828 switch (pci->device) {
2829 case PCI_DEVICE_ID_ESS_ALLEGRO:
2830 case PCI_DEVICE_ID_ESS_ALLEGRO_1:
2831 strcpy(card->driver, "Allegro");
2832 break;
2833 case PCI_DEVICE_ID_ESS_CANYON3D_2LE:
2834 case PCI_DEVICE_ID_ESS_CANYON3D_2:
2835 strcpy(card->driver, "Canyon3D-2");
2836 break;
2837 default:
2838 strcpy(card->driver, "Maestro3");
2839 break;
2840 }
2841
2842 if ((err = snd_m3_create(card, pci,
2843 external_amp[dev],
2844 amp_gpio[dev],
2845 &chip)) < 0) {
2846 snd_card_free(card);
2847 return err;
2848 }
2849 card->private_data = chip;
2850
2851 sprintf(card->shortname, "ESS %s PCI", card->driver);
2852 sprintf(card->longname, "%s at 0x%lx, irq %d",
2853 card->shortname, chip->iobase, chip->irq);
2854
2855 if ((err = snd_card_register(card)) < 0) {
2856 snd_card_free(card);
2857 return err;
2858 }
2859
2860 #if 0 /* TODO: not supported yet */
2861 /* TODO enable MIDI IRQ and I/O */
2862 err = snd_mpu401_uart_new(chip->card, 0, MPU401_HW_MPU401,
2863 chip->iobase + MPU401_DATA_PORT,
2864 MPU401_INFO_INTEGRATED,
2865 chip->irq, 0, &chip->rmidi);
2866 if (err < 0)
2867 printk(KERN_WARNING "maestro3: no MIDI support.\n");
2868 #endif
2869
2870 pci_set_drvdata(pci, card);
2871 dev++;
2872 return 0;
2873 }
2874
2875 static void __devexit snd_m3_remove(struct pci_dev *pci)
2876 {
2877 snd_card_free(pci_get_drvdata(pci));
2878 pci_set_drvdata(pci, NULL);
2879 }
2880
2881 static struct pci_driver driver = {
2882 .name = "Maestro3",
2883 .id_table = snd_m3_ids,
2884 .probe = snd_m3_probe,
2885 .remove = __devexit_p(snd_m3_remove),
2886 #ifdef CONFIG_PM
2887 .suspend = m3_suspend,
2888 .resume = m3_resume,
2889 #endif
2890 };
2891
2892 static int __init alsa_card_m3_init(void)
2893 {
2894 return pci_register_driver(&driver);
2895 }
2896
2897 static void __exit alsa_card_m3_exit(void)
2898 {
2899 pci_unregister_driver(&driver);
2900 }
2901
2902 module_init(alsa_card_m3_init)
2903 module_exit(alsa_card_m3_exit)
kernel source for telekom puls (alcatel/mediatek)