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pptp: pptp_rcv_core() misses pskb_may_pull() call
[linux-2.6.git] / sound / pci / maestro3.c
blob0378126e6272b2b5e59d725d26bb627452abb364
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 <asm/io.h>
35 #include <linux/delay.h>
36 #include <linux/interrupt.h>
37 #include <linux/init.h>
38 #include <linux/pci.h>
39 #include <linux/dma-mapping.h>
40 #include <linux/slab.h>
41 #include <linux/vmalloc.h>
42 #include <linux/moduleparam.h>
43 #include <linux/firmware.h>
44 #include <linux/input.h>
45 #include <sound/core.h>
46 #include <sound/info.h>
47 #include <sound/control.h>
48 #include <sound/pcm.h>
49 #include <sound/mpu401.h>
50 #include <sound/ac97_codec.h>
51 #include <sound/initval.h>
52 #include <asm/byteorder.h>
53
54 MODULE_AUTHOR("Zach Brown <zab@zabbo.net>, Takashi Iwai <tiwai@suse.de>");
55 MODULE_DESCRIPTION("ESS Maestro3 PCI");
56 MODULE_LICENSE("GPL");
57 MODULE_SUPPORTED_DEVICE("{{ESS,Maestro3 PCI},"
58 "{ESS,ES1988},"
59 "{ESS,Allegro PCI},"
60 "{ESS,Allegro-1 PCI},"
61 "{ESS,Canyon3D-2/LE PCI}}");
62 MODULE_FIRMWARE("ess/maestro3_assp_kernel.fw");
63 MODULE_FIRMWARE("ess/maestro3_assp_minisrc.fw");
64
65 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
66 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
67 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* all enabled */
68 static int external_amp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
69 static int amp_gpio[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
70
71 module_param_array(index, int, NULL, 0444);
72 MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard.");
73 module_param_array(id, charp, NULL, 0444);
74 MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard.");
75 module_param_array(enable, bool, NULL, 0444);
76 MODULE_PARM_DESC(enable, "Enable this soundcard.");
77 module_param_array(external_amp, bool, NULL, 0444);
78 MODULE_PARM_DESC(external_amp, "Enable external amp for " CARD_NAME " soundcard.");
79 module_param_array(amp_gpio, int, NULL, 0444);
80 MODULE_PARM_DESC(amp_gpio, "GPIO pin number for external amp. (default = -1)");
81
82 #define MAX_PLAYBACKS 2
83 #define MAX_CAPTURES 1
84 #define NR_DSPS (MAX_PLAYBACKS + MAX_CAPTURES)
85
86
87 /*
88 * maestro3 registers
89 */
90
91 /* Allegro PCI configuration registers */
92 #define PCI_LEGACY_AUDIO_CTRL 0x40
93 #define SOUND_BLASTER_ENABLE 0x00000001
94 #define FM_SYNTHESIS_ENABLE 0x00000002
95 #define GAME_PORT_ENABLE 0x00000004
96 #define MPU401_IO_ENABLE 0x00000008
97 #define MPU401_IRQ_ENABLE 0x00000010
98 #define ALIAS_10BIT_IO 0x00000020
99 #define SB_DMA_MASK 0x000000C0
100 #define SB_DMA_0 0x00000040
101 #define SB_DMA_1 0x00000040
102 #define SB_DMA_R 0x00000080
103 #define SB_DMA_3 0x000000C0
104 #define SB_IRQ_MASK 0x00000700
105 #define SB_IRQ_5 0x00000000
106 #define SB_IRQ_7 0x00000100
107 #define SB_IRQ_9 0x00000200
108 #define SB_IRQ_10 0x00000300
109 #define MIDI_IRQ_MASK 0x00003800
110 #define SERIAL_IRQ_ENABLE 0x00004000
111 #define DISABLE_LEGACY 0x00008000
112
113 #define PCI_ALLEGRO_CONFIG 0x50
114 #define SB_ADDR_240 0x00000004
115 #define MPU_ADDR_MASK 0x00000018
116 #define MPU_ADDR_330 0x00000000
117 #define MPU_ADDR_300 0x00000008
118 #define MPU_ADDR_320 0x00000010
119 #define MPU_ADDR_340 0x00000018
120 #define USE_PCI_TIMING 0x00000040
121 #define POSTED_WRITE_ENABLE 0x00000080
122 #define DMA_POLICY_MASK 0x00000700
123 #define DMA_DDMA 0x00000000
124 #define DMA_TDMA 0x00000100
125 #define DMA_PCPCI 0x00000200
126 #define DMA_WBDMA16 0x00000400
127 #define DMA_WBDMA4 0x00000500
128 #define DMA_WBDMA2 0x00000600
129 #define DMA_WBDMA1 0x00000700
130 #define DMA_SAFE_GUARD 0x00000800
131 #define HI_PERF_GP_ENABLE 0x00001000
132 #define PIC_SNOOP_MODE_0 0x00002000
133 #define PIC_SNOOP_MODE_1 0x00004000
134 #define SOUNDBLASTER_IRQ_MASK 0x00008000
135 #define RING_IN_ENABLE 0x00010000
136 #define SPDIF_TEST_MODE 0x00020000
137 #define CLK_MULT_MODE_SELECT_2 0x00040000
138 #define EEPROM_WRITE_ENABLE 0x00080000
139 #define CODEC_DIR_IN 0x00100000
140 #define HV_BUTTON_FROM_GD 0x00200000
141 #define REDUCED_DEBOUNCE 0x00400000
142 #define HV_CTRL_ENABLE 0x00800000
143 #define SPDIF_ENABLE 0x01000000
144 #define CLK_DIV_SELECT 0x06000000
145 #define CLK_DIV_BY_48 0x00000000
146 #define CLK_DIV_BY_49 0x02000000
147 #define CLK_DIV_BY_50 0x04000000
148 #define CLK_DIV_RESERVED 0x06000000
149 #define PM_CTRL_ENABLE 0x08000000
150 #define CLK_MULT_MODE_SELECT 0x30000000
151 #define CLK_MULT_MODE_SHIFT 28
152 #define CLK_MULT_MODE_0 0x00000000
153 #define CLK_MULT_MODE_1 0x10000000
154 #define CLK_MULT_MODE_2 0x20000000
155 #define CLK_MULT_MODE_3 0x30000000
156 #define INT_CLK_SELECT 0x40000000
157 #define INT_CLK_MULT_RESET 0x80000000
158
159 /* M3 */
160 #define INT_CLK_SRC_NOT_PCI 0x00100000
161 #define INT_CLK_MULT_ENABLE 0x80000000
162
163 #define PCI_ACPI_CONTROL 0x54
164 #define PCI_ACPI_D0 0x00000000
165 #define PCI_ACPI_D1 0xB4F70000
166 #define PCI_ACPI_D2 0xB4F7B4F7
167
168 #define PCI_USER_CONFIG 0x58
169 #define EXT_PCI_MASTER_ENABLE 0x00000001
170 #define SPDIF_OUT_SELECT 0x00000002
171 #define TEST_PIN_DIR_CTRL 0x00000004
172 #define AC97_CODEC_TEST 0x00000020
173 #define TRI_STATE_BUFFER 0x00000080
174 #define IN_CLK_12MHZ_SELECT 0x00000100
175 #define MULTI_FUNC_DISABLE 0x00000200
176 #define EXT_MASTER_PAIR_SEL 0x00000400
177 #define PCI_MASTER_SUPPORT 0x00000800
178 #define STOP_CLOCK_ENABLE 0x00001000
179 #define EAPD_DRIVE_ENABLE 0x00002000
180 #define REQ_TRI_STATE_ENABLE 0x00004000
181 #define REQ_LOW_ENABLE 0x00008000
182 #define MIDI_1_ENABLE 0x00010000
183 #define MIDI_2_ENABLE 0x00020000
184 #define SB_AUDIO_SYNC 0x00040000
185 #define HV_CTRL_TEST 0x00100000
186 #define SOUNDBLASTER_TEST 0x00400000
187
188 #define PCI_USER_CONFIG_C 0x5C
189
190 #define PCI_DDMA_CTRL 0x60
191 #define DDMA_ENABLE 0x00000001
192
193
194 /* Allegro registers */
195 #define HOST_INT_CTRL 0x18
196 #define SB_INT_ENABLE 0x0001
197 #define MPU401_INT_ENABLE 0x0002
198 #define ASSP_INT_ENABLE 0x0010
199 #define RING_INT_ENABLE 0x0020
200 #define HV_INT_ENABLE 0x0040
201 #define CLKRUN_GEN_ENABLE 0x0100
202 #define HV_CTRL_TO_PME 0x0400
203 #define SOFTWARE_RESET_ENABLE 0x8000
204
205 /*
206 * should be using the above defines, probably.
207 */
208 #define REGB_ENABLE_RESET 0x01
209 #define REGB_STOP_CLOCK 0x10
210
211 #define HOST_INT_STATUS 0x1A
212 #define SB_INT_PENDING 0x01
213 #define MPU401_INT_PENDING 0x02
214 #define ASSP_INT_PENDING 0x10
215 #define RING_INT_PENDING 0x20
216 #define HV_INT_PENDING 0x40
217
218 #define HARDWARE_VOL_CTRL 0x1B
219 #define SHADOW_MIX_REG_VOICE 0x1C
220 #define HW_VOL_COUNTER_VOICE 0x1D
221 #define SHADOW_MIX_REG_MASTER 0x1E
222 #define HW_VOL_COUNTER_MASTER 0x1F
223
224 #define CODEC_COMMAND 0x30
225 #define CODEC_READ_B 0x80
226
227 #define CODEC_STATUS 0x30
228 #define CODEC_BUSY_B 0x01
229
230 #define CODEC_DATA 0x32
231
232 #define RING_BUS_CTRL_A 0x36
233 #define RAC_PME_ENABLE 0x0100
234 #define RAC_SDFS_ENABLE 0x0200
235 #define LAC_PME_ENABLE 0x0400
236 #define LAC_SDFS_ENABLE 0x0800
237 #define SERIAL_AC_LINK_ENABLE 0x1000
238 #define IO_SRAM_ENABLE 0x2000
239 #define IIS_INPUT_ENABLE 0x8000
240
241 #define RING_BUS_CTRL_B 0x38
242 #define SECOND_CODEC_ID_MASK 0x0003
243 #define SPDIF_FUNC_ENABLE 0x0010
244 #define SECOND_AC_ENABLE 0x0020
245 #define SB_MODULE_INTF_ENABLE 0x0040
246 #define SSPE_ENABLE 0x0040
247 #define M3I_DOCK_ENABLE 0x0080
248
249 #define SDO_OUT_DEST_CTRL 0x3A
250 #define COMMAND_ADDR_OUT 0x0003
251 #define PCM_LR_OUT_LOCAL 0x0000
252 #define PCM_LR_OUT_REMOTE 0x0004
253 #define PCM_LR_OUT_MUTE 0x0008
254 #define PCM_LR_OUT_BOTH 0x000C
255 #define LINE1_DAC_OUT_LOCAL 0x0000
256 #define LINE1_DAC_OUT_REMOTE 0x0010
257 #define LINE1_DAC_OUT_MUTE 0x0020
258 #define LINE1_DAC_OUT_BOTH 0x0030
259 #define PCM_CLS_OUT_LOCAL 0x0000
260 #define PCM_CLS_OUT_REMOTE 0x0040
261 #define PCM_CLS_OUT_MUTE 0x0080
262 #define PCM_CLS_OUT_BOTH 0x00C0
263 #define PCM_RLF_OUT_LOCAL 0x0000
264 #define PCM_RLF_OUT_REMOTE 0x0100
265 #define PCM_RLF_OUT_MUTE 0x0200
266 #define PCM_RLF_OUT_BOTH 0x0300
267 #define LINE2_DAC_OUT_LOCAL 0x0000
268 #define LINE2_DAC_OUT_REMOTE 0x0400
269 #define LINE2_DAC_OUT_MUTE 0x0800
270 #define LINE2_DAC_OUT_BOTH 0x0C00
271 #define HANDSET_OUT_LOCAL 0x0000
272 #define HANDSET_OUT_REMOTE 0x1000
273 #define HANDSET_OUT_MUTE 0x2000
274 #define HANDSET_OUT_BOTH 0x3000
275 #define IO_CTRL_OUT_LOCAL 0x0000
276 #define IO_CTRL_OUT_REMOTE 0x4000
277 #define IO_CTRL_OUT_MUTE 0x8000
278 #define IO_CTRL_OUT_BOTH 0xC000
279
280 #define SDO_IN_DEST_CTRL 0x3C
281 #define STATUS_ADDR_IN 0x0003
282 #define PCM_LR_IN_LOCAL 0x0000
283 #define PCM_LR_IN_REMOTE 0x0004
284 #define PCM_LR_RESERVED 0x0008
285 #define PCM_LR_IN_BOTH 0x000C
286 #define LINE1_ADC_IN_LOCAL 0x0000
287 #define LINE1_ADC_IN_REMOTE 0x0010
288 #define LINE1_ADC_IN_MUTE 0x0020
289 #define MIC_ADC_IN_LOCAL 0x0000
290 #define MIC_ADC_IN_REMOTE 0x0040
291 #define MIC_ADC_IN_MUTE 0x0080
292 #define LINE2_DAC_IN_LOCAL 0x0000
293 #define LINE2_DAC_IN_REMOTE 0x0400
294 #define LINE2_DAC_IN_MUTE 0x0800
295 #define HANDSET_IN_LOCAL 0x0000
296 #define HANDSET_IN_REMOTE 0x1000
297 #define HANDSET_IN_MUTE 0x2000
298 #define IO_STATUS_IN_LOCAL 0x0000
299 #define IO_STATUS_IN_REMOTE 0x4000
300
301 #define SPDIF_IN_CTRL 0x3E
302 #define SPDIF_IN_ENABLE 0x0001
303
304 #define GPIO_DATA 0x60
305 #define GPIO_DATA_MASK 0x0FFF
306 #define GPIO_HV_STATUS 0x3000
307 #define GPIO_PME_STATUS 0x4000
308
309 #define GPIO_MASK 0x64
310 #define GPIO_DIRECTION 0x68
311 #define GPO_PRIMARY_AC97 0x0001
312 #define GPI_LINEOUT_SENSE 0x0004
313 #define GPO_SECONDARY_AC97 0x0008
314 #define GPI_VOL_DOWN 0x0010
315 #define GPI_VOL_UP 0x0020
316 #define GPI_IIS_CLK 0x0040
317 #define GPI_IIS_LRCLK 0x0080
318 #define GPI_IIS_DATA 0x0100
319 #define GPI_DOCKING_STATUS 0x0100
320 #define GPI_HEADPHONE_SENSE 0x0200
321 #define GPO_EXT_AMP_SHUTDOWN 0x1000
322
323 #define GPO_EXT_AMP_M3 1 /* default m3 amp */
324 #define GPO_EXT_AMP_ALLEGRO 8 /* default allegro amp */
325
326 /* M3 */
327 #define GPO_M3_EXT_AMP_SHUTDN 0x0002
328
329 #define ASSP_INDEX_PORT 0x80
330 #define ASSP_MEMORY_PORT 0x82
331 #define ASSP_DATA_PORT 0x84
332
333 #define MPU401_DATA_PORT 0x98
334 #define MPU401_STATUS_PORT 0x99
335
336 #define CLK_MULT_DATA_PORT 0x9C
337
338 #define ASSP_CONTROL_A 0xA2
339 #define ASSP_0_WS_ENABLE 0x01
340 #define ASSP_CTRL_A_RESERVED1 0x02
341 #define ASSP_CTRL_A_RESERVED2 0x04
342 #define ASSP_CLK_49MHZ_SELECT 0x08
343 #define FAST_PLU_ENABLE 0x10
344 #define ASSP_CTRL_A_RESERVED3 0x20
345 #define DSP_CLK_36MHZ_SELECT 0x40
346
347 #define ASSP_CONTROL_B 0xA4
348 #define RESET_ASSP 0x00
349 #define RUN_ASSP 0x01
350 #define ENABLE_ASSP_CLOCK 0x00
351 #define STOP_ASSP_CLOCK 0x10
352 #define RESET_TOGGLE 0x40
353
354 #define ASSP_CONTROL_C 0xA6
355 #define ASSP_HOST_INT_ENABLE 0x01
356 #define FM_ADDR_REMAP_DISABLE 0x02
357 #define HOST_WRITE_PORT_ENABLE 0x08
358
359 #define ASSP_HOST_INT_STATUS 0xAC
360 #define DSP2HOST_REQ_PIORECORD 0x01
361 #define DSP2HOST_REQ_I2SRATE 0x02
362 #define DSP2HOST_REQ_TIMER 0x04
363
364 /* AC97 registers */
365 /* XXX fix this crap up */
366 /*#define AC97_RESET 0x00*/
367
368 #define AC97_VOL_MUTE_B 0x8000
369 #define AC97_VOL_M 0x1F
370 #define AC97_LEFT_VOL_S 8
371
372 #define AC97_MASTER_VOL 0x02
373 #define AC97_LINE_LEVEL_VOL 0x04
374 #define AC97_MASTER_MONO_VOL 0x06
375 #define AC97_PC_BEEP_VOL 0x0A
376 #define AC97_PC_BEEP_VOL_M 0x0F
377 #define AC97_SROUND_MASTER_VOL 0x38
378 #define AC97_PC_BEEP_VOL_S 1
379
380 /*#define AC97_PHONE_VOL 0x0C
381 #define AC97_MIC_VOL 0x0E*/
382 #define AC97_MIC_20DB_ENABLE 0x40
383
384 /*#define AC97_LINEIN_VOL 0x10
385 #define AC97_CD_VOL 0x12
386 #define AC97_VIDEO_VOL 0x14
387 #define AC97_AUX_VOL 0x16*/
388 #define AC97_PCM_OUT_VOL 0x18
389 /*#define AC97_RECORD_SELECT 0x1A*/
390 #define AC97_RECORD_MIC 0x00
391 #define AC97_RECORD_CD 0x01
392 #define AC97_RECORD_VIDEO 0x02
393 #define AC97_RECORD_AUX 0x03
394 #define AC97_RECORD_MONO_MUX 0x02
395 #define AC97_RECORD_DIGITAL 0x03
396 #define AC97_RECORD_LINE 0x04
397 #define AC97_RECORD_STEREO 0x05
398 #define AC97_RECORD_MONO 0x06
399 #define AC97_RECORD_PHONE 0x07
400
401 /*#define AC97_RECORD_GAIN 0x1C*/
402 #define AC97_RECORD_VOL_M 0x0F
403
404 /*#define AC97_GENERAL_PURPOSE 0x20*/
405 #define AC97_POWER_DOWN_CTRL 0x26
406 #define AC97_ADC_READY 0x0001
407 #define AC97_DAC_READY 0x0002
408 #define AC97_ANALOG_READY 0x0004
409 #define AC97_VREF_ON 0x0008
410 #define AC97_PR0 0x0100
411 #define AC97_PR1 0x0200
412 #define AC97_PR2 0x0400
413 #define AC97_PR3 0x0800
414 #define AC97_PR4 0x1000
415
416 #define AC97_RESERVED1 0x28
417
418 #define AC97_VENDOR_TEST 0x5A
419
420 #define AC97_CLOCK_DELAY 0x5C
421 #define AC97_LINEOUT_MUX_SEL 0x0001
422 #define AC97_MONO_MUX_SEL 0x0002
423 #define AC97_CLOCK_DELAY_SEL 0x1F
424 #define AC97_DAC_CDS_SHIFT 6
425 #define AC97_ADC_CDS_SHIFT 11
426
427 #define AC97_MULTI_CHANNEL_SEL 0x74
428
429 /*#define AC97_VENDOR_ID1 0x7C
430 #define AC97_VENDOR_ID2 0x7E*/
431
432 /*
433 * ASSP control regs
434 */
435 #define DSP_PORT_TIMER_COUNT 0x06
436
437 #define DSP_PORT_MEMORY_INDEX 0x80
438
439 #define DSP_PORT_MEMORY_TYPE 0x82
440 #define MEMTYPE_INTERNAL_CODE 0x0002
441 #define MEMTYPE_INTERNAL_DATA 0x0003
442 #define MEMTYPE_MASK 0x0003
443
444 #define DSP_PORT_MEMORY_DATA 0x84
445
446 #define DSP_PORT_CONTROL_REG_A 0xA2
447 #define DSP_PORT_CONTROL_REG_B 0xA4
448 #define DSP_PORT_CONTROL_REG_C 0xA6
449
450 #define REV_A_CODE_MEMORY_BEGIN 0x0000
451 #define REV_A_CODE_MEMORY_END 0x0FFF
452 #define REV_A_CODE_MEMORY_UNIT_LENGTH 0x0040
453 #define REV_A_CODE_MEMORY_LENGTH (REV_A_CODE_MEMORY_END - REV_A_CODE_MEMORY_BEGIN + 1)
454
455 #define REV_B_CODE_MEMORY_BEGIN 0x0000
456 #define REV_B_CODE_MEMORY_END 0x0BFF
457 #define REV_B_CODE_MEMORY_UNIT_LENGTH 0x0040
458 #define REV_B_CODE_MEMORY_LENGTH (REV_B_CODE_MEMORY_END - REV_B_CODE_MEMORY_BEGIN + 1)
459
460 #define REV_A_DATA_MEMORY_BEGIN 0x1000
461 #define REV_A_DATA_MEMORY_END 0x2FFF
462 #define REV_A_DATA_MEMORY_UNIT_LENGTH 0x0080
463 #define REV_A_DATA_MEMORY_LENGTH (REV_A_DATA_MEMORY_END - REV_A_DATA_MEMORY_BEGIN + 1)
464
465 #define REV_B_DATA_MEMORY_BEGIN 0x1000
466 #define REV_B_DATA_MEMORY_END 0x2BFF
467 #define REV_B_DATA_MEMORY_UNIT_LENGTH 0x0080
468 #define REV_B_DATA_MEMORY_LENGTH (REV_B_DATA_MEMORY_END - REV_B_DATA_MEMORY_BEGIN + 1)
469
470
471 #define NUM_UNITS_KERNEL_CODE 16
472 #define NUM_UNITS_KERNEL_DATA 2
473
474 #define NUM_UNITS_KERNEL_CODE_WITH_HSP 16
475 #define NUM_UNITS_KERNEL_DATA_WITH_HSP 5
476
477 /*
478 * Kernel data layout
479 */
480
481 #define DP_SHIFT_COUNT 7
482
483 #define KDATA_BASE_ADDR 0x1000
484 #define KDATA_BASE_ADDR2 0x1080
485
486 #define KDATA_TASK0 (KDATA_BASE_ADDR + 0x0000)
487 #define KDATA_TASK1 (KDATA_BASE_ADDR + 0x0001)
488 #define KDATA_TASK2 (KDATA_BASE_ADDR + 0x0002)
489 #define KDATA_TASK3 (KDATA_BASE_ADDR + 0x0003)
490 #define KDATA_TASK4 (KDATA_BASE_ADDR + 0x0004)
491 #define KDATA_TASK5 (KDATA_BASE_ADDR + 0x0005)
492 #define KDATA_TASK6 (KDATA_BASE_ADDR + 0x0006)
493 #define KDATA_TASK7 (KDATA_BASE_ADDR + 0x0007)
494 #define KDATA_TASK_ENDMARK (KDATA_BASE_ADDR + 0x0008)
495
496 #define KDATA_CURRENT_TASK (KDATA_BASE_ADDR + 0x0009)
497 #define KDATA_TASK_SWITCH (KDATA_BASE_ADDR + 0x000A)
498
499 #define KDATA_INSTANCE0_POS3D (KDATA_BASE_ADDR + 0x000B)
500 #define KDATA_INSTANCE1_POS3D (KDATA_BASE_ADDR + 0x000C)
501 #define KDATA_INSTANCE2_POS3D (KDATA_BASE_ADDR + 0x000D)
502 #define KDATA_INSTANCE3_POS3D (KDATA_BASE_ADDR + 0x000E)
503 #define KDATA_INSTANCE4_POS3D (KDATA_BASE_ADDR + 0x000F)
504 #define KDATA_INSTANCE5_POS3D (KDATA_BASE_ADDR + 0x0010)
505 #define KDATA_INSTANCE6_POS3D (KDATA_BASE_ADDR + 0x0011)
506 #define KDATA_INSTANCE7_POS3D (KDATA_BASE_ADDR + 0x0012)
507 #define KDATA_INSTANCE8_POS3D (KDATA_BASE_ADDR + 0x0013)
508 #define KDATA_INSTANCE_POS3D_ENDMARK (KDATA_BASE_ADDR + 0x0014)
509
510 #define KDATA_INSTANCE0_SPKVIRT (KDATA_BASE_ADDR + 0x0015)
511 #define KDATA_INSTANCE_SPKVIRT_ENDMARK (KDATA_BASE_ADDR + 0x0016)
512
513 #define KDATA_INSTANCE0_SPDIF (KDATA_BASE_ADDR + 0x0017)
514 #define KDATA_INSTANCE_SPDIF_ENDMARK (KDATA_BASE_ADDR + 0x0018)
515
516 #define KDATA_INSTANCE0_MODEM (KDATA_BASE_ADDR + 0x0019)
517 #define KDATA_INSTANCE_MODEM_ENDMARK (KDATA_BASE_ADDR + 0x001A)
518
519 #define KDATA_INSTANCE0_SRC (KDATA_BASE_ADDR + 0x001B)
520 #define KDATA_INSTANCE1_SRC (KDATA_BASE_ADDR + 0x001C)
521 #define KDATA_INSTANCE_SRC_ENDMARK (KDATA_BASE_ADDR + 0x001D)
522
523 #define KDATA_INSTANCE0_MINISRC (KDATA_BASE_ADDR + 0x001E)
524 #define KDATA_INSTANCE1_MINISRC (KDATA_BASE_ADDR + 0x001F)
525 #define KDATA_INSTANCE2_MINISRC (KDATA_BASE_ADDR + 0x0020)
526 #define KDATA_INSTANCE3_MINISRC (KDATA_BASE_ADDR + 0x0021)
527 #define KDATA_INSTANCE_MINISRC_ENDMARK (KDATA_BASE_ADDR + 0x0022)
528
529 #define KDATA_INSTANCE0_CPYTHRU (KDATA_BASE_ADDR + 0x0023)
530 #define KDATA_INSTANCE1_CPYTHRU (KDATA_BASE_ADDR + 0x0024)
531 #define KDATA_INSTANCE_CPYTHRU_ENDMARK (KDATA_BASE_ADDR + 0x0025)
532
533 #define KDATA_CURRENT_DMA (KDATA_BASE_ADDR + 0x0026)
534 #define KDATA_DMA_SWITCH (KDATA_BASE_ADDR + 0x0027)
535 #define KDATA_DMA_ACTIVE (KDATA_BASE_ADDR + 0x0028)
536
537 #define KDATA_DMA_XFER0 (KDATA_BASE_ADDR + 0x0029)
538 #define KDATA_DMA_XFER1 (KDATA_BASE_ADDR + 0x002A)
539 #define KDATA_DMA_XFER2 (KDATA_BASE_ADDR + 0x002B)
540 #define KDATA_DMA_XFER3 (KDATA_BASE_ADDR + 0x002C)
541 #define KDATA_DMA_XFER4 (KDATA_BASE_ADDR + 0x002D)
542 #define KDATA_DMA_XFER5 (KDATA_BASE_ADDR + 0x002E)
543 #define KDATA_DMA_XFER6 (KDATA_BASE_ADDR + 0x002F)
544 #define KDATA_DMA_XFER7 (KDATA_BASE_ADDR + 0x0030)
545 #define KDATA_DMA_XFER8 (KDATA_BASE_ADDR + 0x0031)
546 #define KDATA_DMA_XFER_ENDMARK (KDATA_BASE_ADDR + 0x0032)
547
548 #define KDATA_I2S_SAMPLE_COUNT (KDATA_BASE_ADDR + 0x0033)
549 #define KDATA_I2S_INT_METER (KDATA_BASE_ADDR + 0x0034)
550 #define KDATA_I2S_ACTIVE (KDATA_BASE_ADDR + 0x0035)
551
552 #define KDATA_TIMER_COUNT_RELOAD (KDATA_BASE_ADDR + 0x0036)
553 #define KDATA_TIMER_COUNT_CURRENT (KDATA_BASE_ADDR + 0x0037)
554
555 #define KDATA_HALT_SYNCH_CLIENT (KDATA_BASE_ADDR + 0x0038)
556 #define KDATA_HALT_SYNCH_DMA (KDATA_BASE_ADDR + 0x0039)
557 #define KDATA_HALT_ACKNOWLEDGE (KDATA_BASE_ADDR + 0x003A)
558
559 #define KDATA_ADC1_XFER0 (KDATA_BASE_ADDR + 0x003B)
560 #define KDATA_ADC1_XFER_ENDMARK (KDATA_BASE_ADDR + 0x003C)
561 #define KDATA_ADC1_LEFT_VOLUME (KDATA_BASE_ADDR + 0x003D)
562 #define KDATA_ADC1_RIGHT_VOLUME (KDATA_BASE_ADDR + 0x003E)
563 #define KDATA_ADC1_LEFT_SUR_VOL (KDATA_BASE_ADDR + 0x003F)
564 #define KDATA_ADC1_RIGHT_SUR_VOL (KDATA_BASE_ADDR + 0x0040)
565
566 #define KDATA_ADC2_XFER0 (KDATA_BASE_ADDR + 0x0041)
567 #define KDATA_ADC2_XFER_ENDMARK (KDATA_BASE_ADDR + 0x0042)
568 #define KDATA_ADC2_LEFT_VOLUME (KDATA_BASE_ADDR + 0x0043)
569 #define KDATA_ADC2_RIGHT_VOLUME (KDATA_BASE_ADDR + 0x0044)
570 #define KDATA_ADC2_LEFT_SUR_VOL (KDATA_BASE_ADDR + 0x0045)
571 #define KDATA_ADC2_RIGHT_SUR_VOL (KDATA_BASE_ADDR + 0x0046)
572
573 #define KDATA_CD_XFER0 (KDATA_BASE_ADDR + 0x0047)
574 #define KDATA_CD_XFER_ENDMARK (KDATA_BASE_ADDR + 0x0048)
575 #define KDATA_CD_LEFT_VOLUME (KDATA_BASE_ADDR + 0x0049)
576 #define KDATA_CD_RIGHT_VOLUME (KDATA_BASE_ADDR + 0x004A)
577 #define KDATA_CD_LEFT_SUR_VOL (KDATA_BASE_ADDR + 0x004B)
578 #define KDATA_CD_RIGHT_SUR_VOL (KDATA_BASE_ADDR + 0x004C)
579
580 #define KDATA_MIC_XFER0 (KDATA_BASE_ADDR + 0x004D)
581 #define KDATA_MIC_XFER_ENDMARK (KDATA_BASE_ADDR + 0x004E)
582 #define KDATA_MIC_VOLUME (KDATA_BASE_ADDR + 0x004F)
583 #define KDATA_MIC_SUR_VOL (KDATA_BASE_ADDR + 0x0050)
584
585 #define KDATA_I2S_XFER0 (KDATA_BASE_ADDR + 0x0051)
586 #define KDATA_I2S_XFER_ENDMARK (KDATA_BASE_ADDR + 0x0052)
587
588 #define KDATA_CHI_XFER0 (KDATA_BASE_ADDR + 0x0053)
589 #define KDATA_CHI_XFER_ENDMARK (KDATA_BASE_ADDR + 0x0054)
590
591 #define KDATA_SPDIF_XFER (KDATA_BASE_ADDR + 0x0055)
592 #define KDATA_SPDIF_CURRENT_FRAME (KDATA_BASE_ADDR + 0x0056)
593 #define KDATA_SPDIF_FRAME0 (KDATA_BASE_ADDR + 0x0057)
594 #define KDATA_SPDIF_FRAME1 (KDATA_BASE_ADDR + 0x0058)
595 #define KDATA_SPDIF_FRAME2 (KDATA_BASE_ADDR + 0x0059)
596
597 #define KDATA_SPDIF_REQUEST (KDATA_BASE_ADDR + 0x005A)
598 #define KDATA_SPDIF_TEMP (KDATA_BASE_ADDR + 0x005B)
599
600 #define KDATA_SPDIFIN_XFER0 (KDATA_BASE_ADDR + 0x005C)
601 #define KDATA_SPDIFIN_XFER_ENDMARK (KDATA_BASE_ADDR + 0x005D)
602 #define KDATA_SPDIFIN_INT_METER (KDATA_BASE_ADDR + 0x005E)
603
604 #define KDATA_DSP_RESET_COUNT (KDATA_BASE_ADDR + 0x005F)
605 #define KDATA_DEBUG_OUTPUT (KDATA_BASE_ADDR + 0x0060)
606
607 #define KDATA_KERNEL_ISR_LIST (KDATA_BASE_ADDR + 0x0061)
608
609 #define KDATA_KERNEL_ISR_CBSR1 (KDATA_BASE_ADDR + 0x0062)
610 #define KDATA_KERNEL_ISR_CBER1 (KDATA_BASE_ADDR + 0x0063)
611 #define KDATA_KERNEL_ISR_CBCR (KDATA_BASE_ADDR + 0x0064)
612 #define KDATA_KERNEL_ISR_AR0 (KDATA_BASE_ADDR + 0x0065)
613 #define KDATA_KERNEL_ISR_AR1 (KDATA_BASE_ADDR + 0x0066)
614 #define KDATA_KERNEL_ISR_AR2 (KDATA_BASE_ADDR + 0x0067)
615 #define KDATA_KERNEL_ISR_AR3 (KDATA_BASE_ADDR + 0x0068)
616 #define KDATA_KERNEL_ISR_AR4 (KDATA_BASE_ADDR + 0x0069)
617 #define KDATA_KERNEL_ISR_AR5 (KDATA_BASE_ADDR + 0x006A)
618 #define KDATA_KERNEL_ISR_BRCR (KDATA_BASE_ADDR + 0x006B)
619 #define KDATA_KERNEL_ISR_PASR (KDATA_BASE_ADDR + 0x006C)
620 #define KDATA_KERNEL_ISR_PAER (KDATA_BASE_ADDR + 0x006D)
621
622 #define KDATA_CLIENT_SCRATCH0 (KDATA_BASE_ADDR + 0x006E)
623 #define KDATA_CLIENT_SCRATCH1 (KDATA_BASE_ADDR + 0x006F)
624 #define KDATA_KERNEL_SCRATCH (KDATA_BASE_ADDR + 0x0070)
625 #define KDATA_KERNEL_ISR_SCRATCH (KDATA_BASE_ADDR + 0x0071)
626
627 #define KDATA_OUEUE_LEFT (KDATA_BASE_ADDR + 0x0072)
628 #define KDATA_QUEUE_RIGHT (KDATA_BASE_ADDR + 0x0073)
629
630 #define KDATA_ADC1_REQUEST (KDATA_BASE_ADDR + 0x0074)
631 #define KDATA_ADC2_REQUEST (KDATA_BASE_ADDR + 0x0075)
632 #define KDATA_CD_REQUEST (KDATA_BASE_ADDR + 0x0076)
633 #define KDATA_MIC_REQUEST (KDATA_BASE_ADDR + 0x0077)
634
635 #define KDATA_ADC1_MIXER_REQUEST (KDATA_BASE_ADDR + 0x0078)
636 #define KDATA_ADC2_MIXER_REQUEST (KDATA_BASE_ADDR + 0x0079)
637 #define KDATA_CD_MIXER_REQUEST (KDATA_BASE_ADDR + 0x007A)
638 #define KDATA_MIC_MIXER_REQUEST (KDATA_BASE_ADDR + 0x007B)
639 #define KDATA_MIC_SYNC_COUNTER (KDATA_BASE_ADDR + 0x007C)
640
641 /*
642 * second 'segment' (?) reserved for mixer
643 * buffers..
644 */
645
646 #define KDATA_MIXER_WORD0 (KDATA_BASE_ADDR2 + 0x0000)
647 #define KDATA_MIXER_WORD1 (KDATA_BASE_ADDR2 + 0x0001)
648 #define KDATA_MIXER_WORD2 (KDATA_BASE_ADDR2 + 0x0002)
649 #define KDATA_MIXER_WORD3 (KDATA_BASE_ADDR2 + 0x0003)
650 #define KDATA_MIXER_WORD4 (KDATA_BASE_ADDR2 + 0x0004)
651 #define KDATA_MIXER_WORD5 (KDATA_BASE_ADDR2 + 0x0005)
652 #define KDATA_MIXER_WORD6 (KDATA_BASE_ADDR2 + 0x0006)
653 #define KDATA_MIXER_WORD7 (KDATA_BASE_ADDR2 + 0x0007)
654 #define KDATA_MIXER_WORD8 (KDATA_BASE_ADDR2 + 0x0008)
655 #define KDATA_MIXER_WORD9 (KDATA_BASE_ADDR2 + 0x0009)
656 #define KDATA_MIXER_WORDA (KDATA_BASE_ADDR2 + 0x000A)
657 #define KDATA_MIXER_WORDB (KDATA_BASE_ADDR2 + 0x000B)
658 #define KDATA_MIXER_WORDC (KDATA_BASE_ADDR2 + 0x000C)
659 #define KDATA_MIXER_WORDD (KDATA_BASE_ADDR2 + 0x000D)
660 #define KDATA_MIXER_WORDE (KDATA_BASE_ADDR2 + 0x000E)
661 #define KDATA_MIXER_WORDF (KDATA_BASE_ADDR2 + 0x000F)
662
663 #define KDATA_MIXER_XFER0 (KDATA_BASE_ADDR2 + 0x0010)
664 #define KDATA_MIXER_XFER1 (KDATA_BASE_ADDR2 + 0x0011)
665 #define KDATA_MIXER_XFER2 (KDATA_BASE_ADDR2 + 0x0012)
666 #define KDATA_MIXER_XFER3 (KDATA_BASE_ADDR2 + 0x0013)
667 #define KDATA_MIXER_XFER4 (KDATA_BASE_ADDR2 + 0x0014)
668 #define KDATA_MIXER_XFER5 (KDATA_BASE_ADDR2 + 0x0015)
669 #define KDATA_MIXER_XFER6 (KDATA_BASE_ADDR2 + 0x0016)
670 #define KDATA_MIXER_XFER7 (KDATA_BASE_ADDR2 + 0x0017)
671 #define KDATA_MIXER_XFER8 (KDATA_BASE_ADDR2 + 0x0018)
672 #define KDATA_MIXER_XFER9 (KDATA_BASE_ADDR2 + 0x0019)
673 #define KDATA_MIXER_XFER_ENDMARK (KDATA_BASE_ADDR2 + 0x001A)
674
675 #define KDATA_MIXER_TASK_NUMBER (KDATA_BASE_ADDR2 + 0x001B)
676 #define KDATA_CURRENT_MIXER (KDATA_BASE_ADDR2 + 0x001C)
677 #define KDATA_MIXER_ACTIVE (KDATA_BASE_ADDR2 + 0x001D)
678 #define KDATA_MIXER_BANK_STATUS (KDATA_BASE_ADDR2 + 0x001E)
679 #define KDATA_DAC_LEFT_VOLUME (KDATA_BASE_ADDR2 + 0x001F)
680 #define KDATA_DAC_RIGHT_VOLUME (KDATA_BASE_ADDR2 + 0x0020)
681
682 #define MAX_INSTANCE_MINISRC (KDATA_INSTANCE_MINISRC_ENDMARK - KDATA_INSTANCE0_MINISRC)
683 #define MAX_VIRTUAL_DMA_CHANNELS (KDATA_DMA_XFER_ENDMARK - KDATA_DMA_XFER0)
684 #define MAX_VIRTUAL_MIXER_CHANNELS (KDATA_MIXER_XFER_ENDMARK - KDATA_MIXER_XFER0)
685 #define MAX_VIRTUAL_ADC1_CHANNELS (KDATA_ADC1_XFER_ENDMARK - KDATA_ADC1_XFER0)
686
687 /*
688 * client data area offsets
689 */
690 #define CDATA_INSTANCE_READY 0x00
691
692 #define CDATA_HOST_SRC_ADDRL 0x01
693 #define CDATA_HOST_SRC_ADDRH 0x02
694 #define CDATA_HOST_SRC_END_PLUS_1L 0x03
695 #define CDATA_HOST_SRC_END_PLUS_1H 0x04
696 #define CDATA_HOST_SRC_CURRENTL 0x05
697 #define CDATA_HOST_SRC_CURRENTH 0x06
698
699 #define CDATA_IN_BUF_CONNECT 0x07
700 #define CDATA_OUT_BUF_CONNECT 0x08
701
702 #define CDATA_IN_BUF_BEGIN 0x09
703 #define CDATA_IN_BUF_END_PLUS_1 0x0A
704 #define CDATA_IN_BUF_HEAD 0x0B
705 #define CDATA_IN_BUF_TAIL 0x0C
706 #define CDATA_OUT_BUF_BEGIN 0x0D
707 #define CDATA_OUT_BUF_END_PLUS_1 0x0E
708 #define CDATA_OUT_BUF_HEAD 0x0F
709 #define CDATA_OUT_BUF_TAIL 0x10
710
711 #define CDATA_DMA_CONTROL 0x11
712 #define CDATA_RESERVED 0x12
713
714 #define CDATA_FREQUENCY 0x13
715 #define CDATA_LEFT_VOLUME 0x14
716 #define CDATA_RIGHT_VOLUME 0x15
717 #define CDATA_LEFT_SUR_VOL 0x16
718 #define CDATA_RIGHT_SUR_VOL 0x17
719
720 #define CDATA_HEADER_LEN 0x18
721
722 #define SRC3_DIRECTION_OFFSET CDATA_HEADER_LEN
723 #define SRC3_MODE_OFFSET (CDATA_HEADER_LEN + 1)
724 #define SRC3_WORD_LENGTH_OFFSET (CDATA_HEADER_LEN + 2)
725 #define SRC3_PARAMETER_OFFSET (CDATA_HEADER_LEN + 3)
726 #define SRC3_COEFF_ADDR_OFFSET (CDATA_HEADER_LEN + 8)
727 #define SRC3_FILTAP_ADDR_OFFSET (CDATA_HEADER_LEN + 10)
728 #define SRC3_TEMP_INBUF_ADDR_OFFSET (CDATA_HEADER_LEN + 16)
729 #define SRC3_TEMP_OUTBUF_ADDR_OFFSET (CDATA_HEADER_LEN + 17)
730
731 #define MINISRC_IN_BUFFER_SIZE ( 0x50 * 2 )
732 #define MINISRC_OUT_BUFFER_SIZE ( 0x50 * 2 * 2)
733 #define MINISRC_TMP_BUFFER_SIZE ( 112 + ( MINISRC_BIQUAD_STAGE * 3 + 4 ) * 2 * 2 )
734 #define MINISRC_BIQUAD_STAGE 2
735 #define MINISRC_COEF_LOC 0x175
736
737 #define DMACONTROL_BLOCK_MASK 0x000F
738 #define DMAC_BLOCK0_SELECTOR 0x0000
739 #define DMAC_BLOCK1_SELECTOR 0x0001
740 #define DMAC_BLOCK2_SELECTOR 0x0002
741 #define DMAC_BLOCK3_SELECTOR 0x0003
742 #define DMAC_BLOCK4_SELECTOR 0x0004
743 #define DMAC_BLOCK5_SELECTOR 0x0005
744 #define DMAC_BLOCK6_SELECTOR 0x0006
745 #define DMAC_BLOCK7_SELECTOR 0x0007
746 #define DMAC_BLOCK8_SELECTOR 0x0008
747 #define DMAC_BLOCK9_SELECTOR 0x0009
748 #define DMAC_BLOCKA_SELECTOR 0x000A
749 #define DMAC_BLOCKB_SELECTOR 0x000B
750 #define DMAC_BLOCKC_SELECTOR 0x000C
751 #define DMAC_BLOCKD_SELECTOR 0x000D
752 #define DMAC_BLOCKE_SELECTOR 0x000E
753 #define DMAC_BLOCKF_SELECTOR 0x000F
754 #define DMACONTROL_PAGE_MASK 0x00F0
755 #define DMAC_PAGE0_SELECTOR 0x0030
756 #define DMAC_PAGE1_SELECTOR 0x0020
757 #define DMAC_PAGE2_SELECTOR 0x0010
758 #define DMAC_PAGE3_SELECTOR 0x0000
759 #define DMACONTROL_AUTOREPEAT 0x1000
760 #define DMACONTROL_STOPPED 0x2000
761 #define DMACONTROL_DIRECTION 0x0100
762
763 /*
764 * an arbitrary volume we set the internal
765 * volume settings to so that the ac97 volume
766 * range is a little less insane. 0x7fff is
767 * max.
768 */
769 #define ARB_VOLUME ( 0x6800 )
770
771 /*
772 */
773
774 struct m3_list {
775 int curlen;
776 int mem_addr;
777 int max;
778 };
779
780 struct m3_dma {
781
782 int number;
783 struct snd_pcm_substream *substream;
784
785 struct assp_instance {
786 unsigned short code, data;
787 } inst;
788
789 int running;
790 int opened;
791
792 unsigned long buffer_addr;
793 int dma_size;
794 int period_size;
795 unsigned int hwptr;
796 int count;
797
798 int index[3];
799 struct m3_list *index_list[3];
800
801 int in_lists;
802
803 struct list_head list;
804
805 };
806
807 struct snd_m3 {
808
809 struct snd_card *card;
810
811 unsigned long iobase;
812
813 int irq;
814 unsigned int allegro_flag : 1;
815
816 struct snd_ac97 *ac97;
817
818 struct snd_pcm *pcm;
819
820 struct pci_dev *pci;
821
822 int dacs_active;
823 int timer_users;
824
825 struct m3_list msrc_list;
826 struct m3_list mixer_list;
827 struct m3_list adc1_list;
828 struct m3_list dma_list;
829
830 /* for storing reset state..*/
831 u8 reset_state;
832
833 int external_amp;
834 int amp_gpio; /* gpio pin # for external amp, -1 = default */
835 unsigned int hv_config; /* hardware-volume config bits */
836 unsigned irda_workaround :1; /* avoid to touch 0x10 on GPIO_DIRECTION
837 (e.g. for IrDA on Dell Inspirons) */
838 unsigned is_omnibook :1; /* Do HP OmniBook GPIO magic? */
839
840 /* midi */
841 struct snd_rawmidi *rmidi;
842
843 /* pcm streams */
844 int num_substreams;
845 struct m3_dma *substreams;
846
847 spinlock_t reg_lock;
848
849 #ifdef CONFIG_SND_MAESTRO3_INPUT
850 struct input_dev *input_dev;
851 char phys[64]; /* physical device path */
852 #else
853 struct snd_kcontrol *master_switch;
854 struct snd_kcontrol *master_volume;
855 #endif
856 struct work_struct hwvol_work;
857
858 unsigned int in_suspend;
859
860 #ifdef CONFIG_PM
861 u16 *suspend_mem;
862 #endif
863
864 const struct firmware *assp_kernel_image;
865 const struct firmware *assp_minisrc_image;
866 };
867
868 /*
869 * pci ids
870 */
871 static DEFINE_PCI_DEVICE_TABLE(snd_m3_ids) = {
872 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ALLEGRO_1, PCI_ANY_ID, PCI_ANY_ID,
873 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
874 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ALLEGRO, PCI_ANY_ID, PCI_ANY_ID,
875 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
876 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_CANYON3D_2LE, PCI_ANY_ID, PCI_ANY_ID,
877 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
878 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_CANYON3D_2, PCI_ANY_ID, PCI_ANY_ID,
879 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
880 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3, PCI_ANY_ID, PCI_ANY_ID,
881 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
882 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_1, PCI_ANY_ID, PCI_ANY_ID,
883 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
884 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_HW, PCI_ANY_ID, PCI_ANY_ID,
885 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
886 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_2, PCI_ANY_ID, PCI_ANY_ID,
887 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
888 {0,},
889 };
890
891 MODULE_DEVICE_TABLE(pci, snd_m3_ids);
892
893 static struct snd_pci_quirk m3_amp_quirk_list[] __devinitdata = {
894 SND_PCI_QUIRK(0x0E11, 0x0094, "Compaq Evo N600c", 0x0c),
895 SND_PCI_QUIRK(0x10f7, 0x833e, "Panasonic CF-28", 0x0d),
896 SND_PCI_QUIRK(0x10f7, 0x833d, "Panasonic CF-72", 0x0d),
897 SND_PCI_QUIRK(0x1033, 0x80f1, "NEC LM800J/7", 0x03),
898 SND_PCI_QUIRK(0x1509, 0x1740, "LEGEND ZhaoYang 3100CF", 0x03),
899 { } /* END */
900 };
901
902 static struct snd_pci_quirk m3_irda_quirk_list[] __devinitdata = {
903 SND_PCI_QUIRK(0x1028, 0x00b0, "Dell Inspiron 4000", 1),
904 SND_PCI_QUIRK(0x1028, 0x00a4, "Dell Inspiron 8000", 1),
905 SND_PCI_QUIRK(0x1028, 0x00e6, "Dell Inspiron 8100", 1),
906 { } /* END */
907 };
908
909 /* hardware volume quirks */
910 static struct snd_pci_quirk m3_hv_quirk_list[] __devinitdata = {
911 /* Allegro chips */
912 SND_PCI_QUIRK(0x0E11, 0x002E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
913 SND_PCI_QUIRK(0x0E11, 0x0094, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
914 SND_PCI_QUIRK(0x0E11, 0xB112, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
915 SND_PCI_QUIRK(0x0E11, 0xB114, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
916 SND_PCI_QUIRK(0x103C, 0x0012, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
917 SND_PCI_QUIRK(0x103C, 0x0018, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
918 SND_PCI_QUIRK(0x103C, 0x001C, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
919 SND_PCI_QUIRK(0x103C, 0x001D, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
920 SND_PCI_QUIRK(0x103C, 0x001E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
921 SND_PCI_QUIRK(0x107B, 0x3350, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
922 SND_PCI_QUIRK(0x10F7, 0x8338, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
923 SND_PCI_QUIRK(0x10F7, 0x833C, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
924 SND_PCI_QUIRK(0x10F7, 0x833D, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
925 SND_PCI_QUIRK(0x10F7, 0x833E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
926 SND_PCI_QUIRK(0x10F7, 0x833F, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
927 SND_PCI_QUIRK(0x13BD, 0x1018, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
928 SND_PCI_QUIRK(0x13BD, 0x1019, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
929 SND_PCI_QUIRK(0x13BD, 0x101A, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
930 SND_PCI_QUIRK(0x14FF, 0x0F03, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
931 SND_PCI_QUIRK(0x14FF, 0x0F04, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
932 SND_PCI_QUIRK(0x14FF, 0x0F05, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
933 SND_PCI_QUIRK(0x156D, 0xB400, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
934 SND_PCI_QUIRK(0x156D, 0xB795, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
935 SND_PCI_QUIRK(0x156D, 0xB797, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
936 SND_PCI_QUIRK(0x156D, 0xC700, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
937 SND_PCI_QUIRK(0x1033, 0x80F1, NULL,
938 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
939 SND_PCI_QUIRK(0x103C, 0x001A, NULL, /* HP OmniBook 6100 */
940 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
941 SND_PCI_QUIRK(0x107B, 0x340A, NULL,
942 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
943 SND_PCI_QUIRK(0x107B, 0x3450, NULL,
944 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
945 SND_PCI_QUIRK(0x109F, 0x3134, NULL,
946 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
947 SND_PCI_QUIRK(0x109F, 0x3161, NULL,
948 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
949 SND_PCI_QUIRK(0x144D, 0x3280, NULL,
950 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
951 SND_PCI_QUIRK(0x144D, 0x3281, NULL,
952 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
953 SND_PCI_QUIRK(0x144D, 0xC002, NULL,
954 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
955 SND_PCI_QUIRK(0x144D, 0xC003, NULL,
956 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
957 SND_PCI_QUIRK(0x1509, 0x1740, NULL,
958 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
959 SND_PCI_QUIRK(0x1610, 0x0010, NULL,
960 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
961 SND_PCI_QUIRK(0x1042, 0x1042, NULL, HV_CTRL_ENABLE),
962 SND_PCI_QUIRK(0x107B, 0x9500, NULL, HV_CTRL_ENABLE),
963 SND_PCI_QUIRK(0x14FF, 0x0F06, NULL, HV_CTRL_ENABLE),
964 SND_PCI_QUIRK(0x1558, 0x8586, NULL, HV_CTRL_ENABLE),
965 SND_PCI_QUIRK(0x161F, 0x2011, NULL, HV_CTRL_ENABLE),
966 /* Maestro3 chips */
967 SND_PCI_QUIRK(0x103C, 0x000E, NULL, HV_CTRL_ENABLE),
968 SND_PCI_QUIRK(0x103C, 0x0010, NULL, HV_CTRL_ENABLE),
969 SND_PCI_QUIRK(0x103C, 0x0011, NULL, HV_CTRL_ENABLE),
970 SND_PCI_QUIRK(0x103C, 0x001B, NULL, HV_CTRL_ENABLE),
971 SND_PCI_QUIRK(0x104D, 0x80A6, NULL, HV_CTRL_ENABLE),
972 SND_PCI_QUIRK(0x104D, 0x80AA, NULL, HV_CTRL_ENABLE),
973 SND_PCI_QUIRK(0x107B, 0x5300, NULL, HV_CTRL_ENABLE),
974 SND_PCI_QUIRK(0x110A, 0x1998, NULL, HV_CTRL_ENABLE),
975 SND_PCI_QUIRK(0x13BD, 0x1015, NULL, HV_CTRL_ENABLE),
976 SND_PCI_QUIRK(0x13BD, 0x101C, NULL, HV_CTRL_ENABLE),
977 SND_PCI_QUIRK(0x13BD, 0x1802, NULL, HV_CTRL_ENABLE),
978 SND_PCI_QUIRK(0x1599, 0x0715, NULL, HV_CTRL_ENABLE),
979 SND_PCI_QUIRK(0x5643, 0x5643, NULL, HV_CTRL_ENABLE),
980 SND_PCI_QUIRK(0x144D, 0x3260, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
981 SND_PCI_QUIRK(0x144D, 0x3261, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
982 SND_PCI_QUIRK(0x144D, 0xC000, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
983 SND_PCI_QUIRK(0x144D, 0xC001, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
984 { } /* END */
985 };
986
987 /* HP Omnibook quirks */
988 static struct snd_pci_quirk m3_omnibook_quirk_list[] __devinitdata = {
989 SND_PCI_QUIRK_ID(0x103c, 0x0010), /* HP OmniBook 6000 */
990 SND_PCI_QUIRK_ID(0x103c, 0x0011), /* HP OmniBook 500 */
991 { } /* END */
992 };
993
994 /*
995 * lowlevel functions
996 */
997
998 static inline void snd_m3_outw(struct snd_m3 *chip, u16 value, unsigned long reg)
999 {
1000 outw(value, chip->iobase + reg);
1001 }
1002
1003 static inline u16 snd_m3_inw(struct snd_m3 *chip, unsigned long reg)
1004 {
1005 return inw(chip->iobase + reg);
1006 }
1007
1008 static inline void snd_m3_outb(struct snd_m3 *chip, u8 value, unsigned long reg)
1009 {
1010 outb(value, chip->iobase + reg);
1011 }
1012
1013 static inline u8 snd_m3_inb(struct snd_m3 *chip, unsigned long reg)
1014 {
1015 return inb(chip->iobase + reg);
1016 }
1017
1018 /*
1019 * access 16bit words to the code or data regions of the dsp's memory.
1020 * index addresses 16bit words.
1021 */
1022 static u16 snd_m3_assp_read(struct snd_m3 *chip, u16 region, u16 index)
1023 {
1024 snd_m3_outw(chip, region & MEMTYPE_MASK, DSP_PORT_MEMORY_TYPE);
1025 snd_m3_outw(chip, index, DSP_PORT_MEMORY_INDEX);
1026 return snd_m3_inw(chip, DSP_PORT_MEMORY_DATA);
1027 }
1028
1029 static void snd_m3_assp_write(struct snd_m3 *chip, u16 region, u16 index, u16 data)
1030 {
1031 snd_m3_outw(chip, region & MEMTYPE_MASK, DSP_PORT_MEMORY_TYPE);
1032 snd_m3_outw(chip, index, DSP_PORT_MEMORY_INDEX);
1033 snd_m3_outw(chip, data, DSP_PORT_MEMORY_DATA);
1034 }
1035
1036 static void snd_m3_assp_halt(struct snd_m3 *chip)
1037 {
1038 chip->reset_state = snd_m3_inb(chip, DSP_PORT_CONTROL_REG_B) & ~REGB_STOP_CLOCK;
1039 msleep(10);
1040 snd_m3_outb(chip, chip->reset_state & ~REGB_ENABLE_RESET, DSP_PORT_CONTROL_REG_B);
1041 }
1042
1043 static void snd_m3_assp_continue(struct snd_m3 *chip)
1044 {
1045 snd_m3_outb(chip, chip->reset_state | REGB_ENABLE_RESET, DSP_PORT_CONTROL_REG_B);
1046 }
1047
1048
1049 /*
1050 * This makes me sad. the maestro3 has lists
1051 * internally that must be packed.. 0 terminates,
1052 * apparently, or maybe all unused entries have
1053 * to be 0, the lists have static lengths set
1054 * by the binary code images.
1055 */
1056
1057 static int snd_m3_add_list(struct snd_m3 *chip, struct m3_list *list, u16 val)
1058 {
1059 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1060 list->mem_addr + list->curlen,
1061 val);
1062 return list->curlen++;
1063 }
1064
1065 static void snd_m3_remove_list(struct snd_m3 *chip, struct m3_list *list, int index)
1066 {
1067 u16 val;
1068 int lastindex = list->curlen - 1;
1069
1070 if (index != lastindex) {
1071 val = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1072 list->mem_addr + lastindex);
1073 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1074 list->mem_addr + index,
1075 val);
1076 }
1077
1078 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1079 list->mem_addr + lastindex,
1080 0);
1081
1082 list->curlen--;
1083 }
1084
1085 static void snd_m3_inc_timer_users(struct snd_m3 *chip)
1086 {
1087 chip->timer_users++;
1088 if (chip->timer_users != 1)
1089 return;
1090
1091 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1092 KDATA_TIMER_COUNT_RELOAD,
1093 240);
1094
1095 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1096 KDATA_TIMER_COUNT_CURRENT,
1097 240);
1098
1099 snd_m3_outw(chip,
1100 snd_m3_inw(chip, HOST_INT_CTRL) | CLKRUN_GEN_ENABLE,
1101 HOST_INT_CTRL);
1102 }
1103
1104 static void snd_m3_dec_timer_users(struct snd_m3 *chip)
1105 {
1106 chip->timer_users--;
1107 if (chip->timer_users > 0)
1108 return;
1109
1110 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1111 KDATA_TIMER_COUNT_RELOAD,
1112 0);
1113
1114 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1115 KDATA_TIMER_COUNT_CURRENT,
1116 0);
1117
1118 snd_m3_outw(chip,
1119 snd_m3_inw(chip, HOST_INT_CTRL) & ~CLKRUN_GEN_ENABLE,
1120 HOST_INT_CTRL);
1121 }
1122
1123 /*
1124 * start/stop
1125 */
1126
1127 /* spinlock held! */
1128 static int snd_m3_pcm_start(struct snd_m3 *chip, struct m3_dma *s,
1129 struct snd_pcm_substream *subs)
1130 {
1131 if (! s || ! subs)
1132 return -EINVAL;
1133
1134 snd_m3_inc_timer_users(chip);
1135 switch (subs->stream) {
1136 case SNDRV_PCM_STREAM_PLAYBACK:
1137 chip->dacs_active++;
1138 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1139 s->inst.data + CDATA_INSTANCE_READY, 1);
1140 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1141 KDATA_MIXER_TASK_NUMBER,
1142 chip->dacs_active);
1143 break;
1144 case SNDRV_PCM_STREAM_CAPTURE:
1145 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1146 KDATA_ADC1_REQUEST, 1);
1147 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1148 s->inst.data + CDATA_INSTANCE_READY, 1);
1149 break;
1150 }
1151 return 0;
1152 }
1153
1154 /* spinlock held! */
1155 static int snd_m3_pcm_stop(struct snd_m3 *chip, struct m3_dma *s,
1156 struct snd_pcm_substream *subs)
1157 {
1158 if (! s || ! subs)
1159 return -EINVAL;
1160
1161 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1162 s->inst.data + CDATA_INSTANCE_READY, 0);
1163 snd_m3_dec_timer_users(chip);
1164 switch (subs->stream) {
1165 case SNDRV_PCM_STREAM_PLAYBACK:
1166 chip->dacs_active--;
1167 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1168 KDATA_MIXER_TASK_NUMBER,
1169 chip->dacs_active);
1170 break;
1171 case SNDRV_PCM_STREAM_CAPTURE:
1172 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1173 KDATA_ADC1_REQUEST, 0);
1174 break;
1175 }
1176 return 0;
1177 }
1178
1179 static int
1180 snd_m3_pcm_trigger(struct snd_pcm_substream *subs, int cmd)
1181 {
1182 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1183 struct m3_dma *s = subs->runtime->private_data;
1184 int err = -EINVAL;
1185
1186 if (snd_BUG_ON(!s))
1187 return -ENXIO;
1188
1189 spin_lock(&chip->reg_lock);
1190 switch (cmd) {
1191 case SNDRV_PCM_TRIGGER_START:
1192 case SNDRV_PCM_TRIGGER_RESUME:
1193 if (s->running)
1194 err = -EBUSY;
1195 else {
1196 s->running = 1;
1197 err = snd_m3_pcm_start(chip, s, subs);
1198 }
1199 break;
1200 case SNDRV_PCM_TRIGGER_STOP:
1201 case SNDRV_PCM_TRIGGER_SUSPEND:
1202 if (! s->running)
1203 err = 0; /* should return error? */
1204 else {
1205 s->running = 0;
1206 err = snd_m3_pcm_stop(chip, s, subs);
1207 }
1208 break;
1209 }
1210 spin_unlock(&chip->reg_lock);
1211 return err;
1212 }
1213
1214 /*
1215 * setup
1216 */
1217 static void
1218 snd_m3_pcm_setup1(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1219 {
1220 int dsp_in_size, dsp_out_size, dsp_in_buffer, dsp_out_buffer;
1221 struct snd_pcm_runtime *runtime = subs->runtime;
1222
1223 if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1224 dsp_in_size = MINISRC_IN_BUFFER_SIZE - (0x20 * 2);
1225 dsp_out_size = MINISRC_OUT_BUFFER_SIZE - (0x20 * 2);
1226 } else {
1227 dsp_in_size = MINISRC_IN_BUFFER_SIZE - (0x10 * 2);
1228 dsp_out_size = MINISRC_OUT_BUFFER_SIZE - (0x10 * 2);
1229 }
1230 dsp_in_buffer = s->inst.data + (MINISRC_TMP_BUFFER_SIZE / 2);
1231 dsp_out_buffer = dsp_in_buffer + (dsp_in_size / 2) + 1;
1232
1233 s->dma_size = frames_to_bytes(runtime, runtime->buffer_size);
1234 s->period_size = frames_to_bytes(runtime, runtime->period_size);
1235 s->hwptr = 0;
1236 s->count = 0;
1237
1238 #define LO(x) ((x) & 0xffff)
1239 #define HI(x) LO((x) >> 16)
1240
1241 /* host dma buffer pointers */
1242 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1243 s->inst.data + CDATA_HOST_SRC_ADDRL,
1244 LO(s->buffer_addr));
1245
1246 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1247 s->inst.data + CDATA_HOST_SRC_ADDRH,
1248 HI(s->buffer_addr));
1249
1250 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1251 s->inst.data + CDATA_HOST_SRC_END_PLUS_1L,
1252 LO(s->buffer_addr + s->dma_size));
1253
1254 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1255 s->inst.data + CDATA_HOST_SRC_END_PLUS_1H,
1256 HI(s->buffer_addr + s->dma_size));
1257
1258 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1259 s->inst.data + CDATA_HOST_SRC_CURRENTL,
1260 LO(s->buffer_addr));
1261
1262 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1263 s->inst.data + CDATA_HOST_SRC_CURRENTH,
1264 HI(s->buffer_addr));
1265 #undef LO
1266 #undef HI
1267
1268 /* dsp buffers */
1269
1270 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1271 s->inst.data + CDATA_IN_BUF_BEGIN,
1272 dsp_in_buffer);
1273
1274 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1275 s->inst.data + CDATA_IN_BUF_END_PLUS_1,
1276 dsp_in_buffer + (dsp_in_size / 2));
1277
1278 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1279 s->inst.data + CDATA_IN_BUF_HEAD,
1280 dsp_in_buffer);
1281
1282 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1283 s->inst.data + CDATA_IN_BUF_TAIL,
1284 dsp_in_buffer);
1285
1286 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1287 s->inst.data + CDATA_OUT_BUF_BEGIN,
1288 dsp_out_buffer);
1289
1290 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1291 s->inst.data + CDATA_OUT_BUF_END_PLUS_1,
1292 dsp_out_buffer + (dsp_out_size / 2));
1293
1294 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1295 s->inst.data + CDATA_OUT_BUF_HEAD,
1296 dsp_out_buffer);
1297
1298 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1299 s->inst.data + CDATA_OUT_BUF_TAIL,
1300 dsp_out_buffer);
1301 }
1302
1303 static void snd_m3_pcm_setup2(struct snd_m3 *chip, struct m3_dma *s,
1304 struct snd_pcm_runtime *runtime)
1305 {
1306 u32 freq;
1307
1308 /*
1309 * put us in the lists if we're not already there
1310 */
1311 if (! s->in_lists) {
1312 s->index[0] = snd_m3_add_list(chip, s->index_list[0],
1313 s->inst.data >> DP_SHIFT_COUNT);
1314 s->index[1] = snd_m3_add_list(chip, s->index_list[1],
1315 s->inst.data >> DP_SHIFT_COUNT);
1316 s->index[2] = snd_m3_add_list(chip, s->index_list[2],
1317 s->inst.data >> DP_SHIFT_COUNT);
1318 s->in_lists = 1;
1319 }
1320
1321 /* write to 'mono' word */
1322 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1323 s->inst.data + SRC3_DIRECTION_OFFSET + 1,
1324 runtime->channels == 2 ? 0 : 1);
1325 /* write to '8bit' word */
1326 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1327 s->inst.data + SRC3_DIRECTION_OFFSET + 2,
1328 snd_pcm_format_width(runtime->format) == 16 ? 0 : 1);
1329
1330 /* set up dac/adc rate */
1331 freq = ((runtime->rate << 15) + 24000 ) / 48000;
1332 if (freq)
1333 freq--;
1334
1335 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1336 s->inst.data + CDATA_FREQUENCY,
1337 freq);
1338 }
1339
1340
1341 static const struct play_vals {
1342 u16 addr, val;
1343 } pv[] = {
1344 {CDATA_LEFT_VOLUME, ARB_VOLUME},
1345 {CDATA_RIGHT_VOLUME, ARB_VOLUME},
1346 {SRC3_DIRECTION_OFFSET, 0} ,
1347 /* +1, +2 are stereo/16 bit */
1348 {SRC3_DIRECTION_OFFSET + 3, 0x0000}, /* fraction? */
1349 {SRC3_DIRECTION_OFFSET + 4, 0}, /* first l */
1350 {SRC3_DIRECTION_OFFSET + 5, 0}, /* first r */
1351 {SRC3_DIRECTION_OFFSET + 6, 0}, /* second l */
1352 {SRC3_DIRECTION_OFFSET + 7, 0}, /* second r */
1353 {SRC3_DIRECTION_OFFSET + 8, 0}, /* delta l */
1354 {SRC3_DIRECTION_OFFSET + 9, 0}, /* delta r */
1355 {SRC3_DIRECTION_OFFSET + 10, 0x8000}, /* round */
1356 {SRC3_DIRECTION_OFFSET + 11, 0xFF00}, /* higher bute mark */
1357 {SRC3_DIRECTION_OFFSET + 13, 0}, /* temp0 */
1358 {SRC3_DIRECTION_OFFSET + 14, 0}, /* c fraction */
1359 {SRC3_DIRECTION_OFFSET + 15, 0}, /* counter */
1360 {SRC3_DIRECTION_OFFSET + 16, 8}, /* numin */
1361 {SRC3_DIRECTION_OFFSET + 17, 50*2}, /* numout */
1362 {SRC3_DIRECTION_OFFSET + 18, MINISRC_BIQUAD_STAGE - 1}, /* numstage */
1363 {SRC3_DIRECTION_OFFSET + 20, 0}, /* filtertap */
1364 {SRC3_DIRECTION_OFFSET + 21, 0} /* booster */
1365 };
1366
1367
1368 /* the mode passed should be already shifted and masked */
1369 static void
1370 snd_m3_playback_setup(struct snd_m3 *chip, struct m3_dma *s,
1371 struct snd_pcm_substream *subs)
1372 {
1373 unsigned int i;
1374
1375 /*
1376 * some per client initializers
1377 */
1378
1379 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1380 s->inst.data + SRC3_DIRECTION_OFFSET + 12,
1381 s->inst.data + 40 + 8);
1382
1383 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1384 s->inst.data + SRC3_DIRECTION_OFFSET + 19,
1385 s->inst.code + MINISRC_COEF_LOC);
1386
1387 /* enable or disable low pass filter? */
1388 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1389 s->inst.data + SRC3_DIRECTION_OFFSET + 22,
1390 subs->runtime->rate > 45000 ? 0xff : 0);
1391
1392 /* tell it which way dma is going? */
1393 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1394 s->inst.data + CDATA_DMA_CONTROL,
1395 DMACONTROL_AUTOREPEAT + DMAC_PAGE3_SELECTOR + DMAC_BLOCKF_SELECTOR);
1396
1397 /*
1398 * set an armload of static initializers
1399 */
1400 for (i = 0; i < ARRAY_SIZE(pv); i++)
1401 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1402 s->inst.data + pv[i].addr, pv[i].val);
1403 }
1404
1405 /*
1406 * Native record driver
1407 */
1408 static const struct rec_vals {
1409 u16 addr, val;
1410 } rv[] = {
1411 {CDATA_LEFT_VOLUME, ARB_VOLUME},
1412 {CDATA_RIGHT_VOLUME, ARB_VOLUME},
1413 {SRC3_DIRECTION_OFFSET, 1} ,
1414 /* +1, +2 are stereo/16 bit */
1415 {SRC3_DIRECTION_OFFSET + 3, 0x0000}, /* fraction? */
1416 {SRC3_DIRECTION_OFFSET + 4, 0}, /* first l */
1417 {SRC3_DIRECTION_OFFSET + 5, 0}, /* first r */
1418 {SRC3_DIRECTION_OFFSET + 6, 0}, /* second l */
1419 {SRC3_DIRECTION_OFFSET + 7, 0}, /* second r */
1420 {SRC3_DIRECTION_OFFSET + 8, 0}, /* delta l */
1421 {SRC3_DIRECTION_OFFSET + 9, 0}, /* delta r */
1422 {SRC3_DIRECTION_OFFSET + 10, 0x8000}, /* round */
1423 {SRC3_DIRECTION_OFFSET + 11, 0xFF00}, /* higher bute mark */
1424 {SRC3_DIRECTION_OFFSET + 13, 0}, /* temp0 */
1425 {SRC3_DIRECTION_OFFSET + 14, 0}, /* c fraction */
1426 {SRC3_DIRECTION_OFFSET + 15, 0}, /* counter */
1427 {SRC3_DIRECTION_OFFSET + 16, 50},/* numin */
1428 {SRC3_DIRECTION_OFFSET + 17, 8}, /* numout */
1429 {SRC3_DIRECTION_OFFSET + 18, 0}, /* numstage */
1430 {SRC3_DIRECTION_OFFSET + 19, 0}, /* coef */
1431 {SRC3_DIRECTION_OFFSET + 20, 0}, /* filtertap */
1432 {SRC3_DIRECTION_OFFSET + 21, 0}, /* booster */
1433 {SRC3_DIRECTION_OFFSET + 22, 0xff} /* skip lpf */
1434 };
1435
1436 static void
1437 snd_m3_capture_setup(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1438 {
1439 unsigned int i;
1440
1441 /*
1442 * some per client initializers
1443 */
1444
1445 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1446 s->inst.data + SRC3_DIRECTION_OFFSET + 12,
1447 s->inst.data + 40 + 8);
1448
1449 /* tell it which way dma is going? */
1450 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1451 s->inst.data + CDATA_DMA_CONTROL,
1452 DMACONTROL_DIRECTION + DMACONTROL_AUTOREPEAT +
1453 DMAC_PAGE3_SELECTOR + DMAC_BLOCKF_SELECTOR);
1454
1455 /*
1456 * set an armload of static initializers
1457 */
1458 for (i = 0; i < ARRAY_SIZE(rv); i++)
1459 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1460 s->inst.data + rv[i].addr, rv[i].val);
1461 }
1462
1463 static int snd_m3_pcm_hw_params(struct snd_pcm_substream *substream,
1464 struct snd_pcm_hw_params *hw_params)
1465 {
1466 struct m3_dma *s = substream->runtime->private_data;
1467 int err;
1468
1469 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
1470 return err;
1471 /* set buffer address */
1472 s->buffer_addr = substream->runtime->dma_addr;
1473 if (s->buffer_addr & 0x3) {
1474 snd_printk(KERN_ERR "oh my, not aligned\n");
1475 s->buffer_addr = s->buffer_addr & ~0x3;
1476 }
1477 return 0;
1478 }
1479
1480 static int snd_m3_pcm_hw_free(struct snd_pcm_substream *substream)
1481 {
1482 struct m3_dma *s;
1483
1484 if (substream->runtime->private_data == NULL)
1485 return 0;
1486 s = substream->runtime->private_data;
1487 snd_pcm_lib_free_pages(substream);
1488 s->buffer_addr = 0;
1489 return 0;
1490 }
1491
1492 static int
1493 snd_m3_pcm_prepare(struct snd_pcm_substream *subs)
1494 {
1495 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1496 struct snd_pcm_runtime *runtime = subs->runtime;
1497 struct m3_dma *s = runtime->private_data;
1498
1499 if (snd_BUG_ON(!s))
1500 return -ENXIO;
1501
1502 if (runtime->format != SNDRV_PCM_FORMAT_U8 &&
1503 runtime->format != SNDRV_PCM_FORMAT_S16_LE)
1504 return -EINVAL;
1505 if (runtime->rate > 48000 ||
1506 runtime->rate < 8000)
1507 return -EINVAL;
1508
1509 spin_lock_irq(&chip->reg_lock);
1510
1511 snd_m3_pcm_setup1(chip, s, subs);
1512
1513 if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK)
1514 snd_m3_playback_setup(chip, s, subs);
1515 else
1516 snd_m3_capture_setup(chip, s, subs);
1517
1518 snd_m3_pcm_setup2(chip, s, runtime);
1519
1520 spin_unlock_irq(&chip->reg_lock);
1521
1522 return 0;
1523 }
1524
1525 /*
1526 * get current pointer
1527 */
1528 static unsigned int
1529 snd_m3_get_pointer(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1530 {
1531 u16 hi = 0, lo = 0;
1532 int retry = 10;
1533 u32 addr;
1534
1535 /*
1536 * try and get a valid answer
1537 */
1538 while (retry--) {
1539 hi = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1540 s->inst.data + CDATA_HOST_SRC_CURRENTH);
1541
1542 lo = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1543 s->inst.data + CDATA_HOST_SRC_CURRENTL);
1544
1545 if (hi == snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1546 s->inst.data + CDATA_HOST_SRC_CURRENTH))
1547 break;
1548 }
1549 addr = lo | ((u32)hi<<16);
1550 return (unsigned int)(addr - s->buffer_addr);
1551 }
1552
1553 static snd_pcm_uframes_t
1554 snd_m3_pcm_pointer(struct snd_pcm_substream *subs)
1555 {
1556 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1557 unsigned int ptr;
1558 struct m3_dma *s = subs->runtime->private_data;
1559
1560 if (snd_BUG_ON(!s))
1561 return 0;
1562
1563 spin_lock(&chip->reg_lock);
1564 ptr = snd_m3_get_pointer(chip, s, subs);
1565 spin_unlock(&chip->reg_lock);
1566 return bytes_to_frames(subs->runtime, ptr);
1567 }
1568
1569
1570 /* update pointer */
1571 /* spinlock held! */
1572 static void snd_m3_update_ptr(struct snd_m3 *chip, struct m3_dma *s)
1573 {
1574 struct snd_pcm_substream *subs = s->substream;
1575 unsigned int hwptr;
1576 int diff;
1577
1578 if (! s->running)
1579 return;
1580
1581 hwptr = snd_m3_get_pointer(chip, s, subs);
1582
1583 /* try to avoid expensive modulo divisions */
1584 if (hwptr >= s->dma_size)
1585 hwptr %= s->dma_size;
1586
1587 diff = s->dma_size + hwptr - s->hwptr;
1588 if (diff >= s->dma_size)
1589 diff %= s->dma_size;
1590
1591 s->hwptr = hwptr;
1592 s->count += diff;
1593
1594 if (s->count >= (signed)s->period_size) {
1595
1596 if (s->count < 2 * (signed)s->period_size)
1597 s->count -= (signed)s->period_size;
1598 else
1599 s->count %= s->period_size;
1600
1601 spin_unlock(&chip->reg_lock);
1602 snd_pcm_period_elapsed(subs);
1603 spin_lock(&chip->reg_lock);
1604 }
1605 }
1606
1607 /* The m3's hardware volume works by incrementing / decrementing 2 counters
1608 (without wrap around) in response to volume button presses and then
1609 generating an interrupt. The pair of counters is stored in bits 1-3 and 5-7
1610 of a byte wide register. The meaning of bits 0 and 4 is unknown. */
1611 static void snd_m3_update_hw_volume(struct work_struct *work)
1612 {
1613 struct snd_m3 *chip = container_of(work, struct snd_m3, hwvol_work);
1614 int x, val;
1615
1616 /* Figure out which volume control button was pushed,
1617 based on differences from the default register
1618 values. */
1619 x = inb(chip->iobase + SHADOW_MIX_REG_VOICE) & 0xee;
1620
1621 /* Reset the volume counters to 4. Tests on the allegro integrated
1622 into a Compaq N600C laptop, have revealed that:
1623 1) Writing any value will result in the 2 counters being reset to
1624 4 so writing 0x88 is not strictly necessary
1625 2) Writing to any of the 4 involved registers will reset all 4
1626 of them (and reading them always returns the same value for all
1627 of them)
1628 It could be that a maestro deviates from this, so leave the code
1629 as is. */
1630 outb(0x88, chip->iobase + SHADOW_MIX_REG_VOICE);
1631 outb(0x88, chip->iobase + HW_VOL_COUNTER_VOICE);
1632 outb(0x88, chip->iobase + SHADOW_MIX_REG_MASTER);
1633 outb(0x88, chip->iobase + HW_VOL_COUNTER_MASTER);
1634
1635 /* Ignore spurious HV interrupts during suspend / resume, this avoids
1636 mistaking them for a mute button press. */
1637 if (chip->in_suspend)
1638 return;
1639
1640 #ifndef CONFIG_SND_MAESTRO3_INPUT
1641 if (!chip->master_switch || !chip->master_volume)
1642 return;
1643
1644 val = snd_ac97_read(chip->ac97, AC97_MASTER);
1645 switch (x) {
1646 case 0x88:
1647 /* The counters have not changed, yet we've received a HV
1648 interrupt. According to tests run by various people this
1649 happens when pressing the mute button. */
1650 val ^= 0x8000;
1651 break;
1652 case 0xaa:
1653 /* counters increased by 1 -> volume up */
1654 if ((val & 0x7f) > 0)
1655 val--;
1656 if ((val & 0x7f00) > 0)
1657 val -= 0x0100;
1658 break;
1659 case 0x66:
1660 /* counters decreased by 1 -> volume down */
1661 if ((val & 0x7f) < 0x1f)
1662 val++;
1663 if ((val & 0x7f00) < 0x1f00)
1664 val += 0x0100;
1665 break;
1666 }
1667 if (snd_ac97_update(chip->ac97, AC97_MASTER, val))
1668 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1669 &chip->master_switch->id);
1670 #else
1671 if (!chip->input_dev)
1672 return;
1673
1674 val = 0;
1675 switch (x) {
1676 case 0x88:
1677 /* The counters have not changed, yet we've received a HV
1678 interrupt. According to tests run by various people this
1679 happens when pressing the mute button. */
1680 val = KEY_MUTE;
1681 break;
1682 case 0xaa:
1683 /* counters increased by 1 -> volume up */
1684 val = KEY_VOLUMEUP;
1685 break;
1686 case 0x66:
1687 /* counters decreased by 1 -> volume down */
1688 val = KEY_VOLUMEDOWN;
1689 break;
1690 }
1691
1692 if (val) {
1693 input_report_key(chip->input_dev, val, 1);
1694 input_sync(chip->input_dev);
1695 input_report_key(chip->input_dev, val, 0);
1696 input_sync(chip->input_dev);
1697 }
1698 #endif
1699 }
1700
1701 static irqreturn_t snd_m3_interrupt(int irq, void *dev_id)
1702 {
1703 struct snd_m3 *chip = dev_id;
1704 u8 status;
1705 int i;
1706
1707 status = inb(chip->iobase + HOST_INT_STATUS);
1708
1709 if (status == 0xff)
1710 return IRQ_NONE;
1711
1712 if (status & HV_INT_PENDING)
1713 schedule_work(&chip->hwvol_work);
1714
1715 /*
1716 * ack an assp int if its running
1717 * and has an int pending
1718 */
1719 if (status & ASSP_INT_PENDING) {
1720 u8 ctl = inb(chip->iobase + ASSP_CONTROL_B);
1721 if (!(ctl & STOP_ASSP_CLOCK)) {
1722 ctl = inb(chip->iobase + ASSP_HOST_INT_STATUS);
1723 if (ctl & DSP2HOST_REQ_TIMER) {
1724 outb(DSP2HOST_REQ_TIMER, chip->iobase + ASSP_HOST_INT_STATUS);
1725 /* update adc/dac info if it was a timer int */
1726 spin_lock(&chip->reg_lock);
1727 for (i = 0; i < chip->num_substreams; i++) {
1728 struct m3_dma *s = &chip->substreams[i];
1729 if (s->running)
1730 snd_m3_update_ptr(chip, s);
1731 }
1732 spin_unlock(&chip->reg_lock);
1733 }
1734 }
1735 }
1736
1737 #if 0 /* TODO: not supported yet */
1738 if ((status & MPU401_INT_PENDING) && chip->rmidi)
1739 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs);
1740 #endif
1741
1742 /* ack ints */
1743 outb(status, chip->iobase + HOST_INT_STATUS);
1744
1745 return IRQ_HANDLED;
1746 }
1747
1748
1749 /*
1750 */
1751
1752 static struct snd_pcm_hardware snd_m3_playback =
1753 {
1754 .info = (SNDRV_PCM_INFO_MMAP |
1755 SNDRV_PCM_INFO_INTERLEAVED |
1756 SNDRV_PCM_INFO_MMAP_VALID |
1757 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1758 /*SNDRV_PCM_INFO_PAUSE |*/
1759 SNDRV_PCM_INFO_RESUME),
1760 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1761 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1762 .rate_min = 8000,
1763 .rate_max = 48000,
1764 .channels_min = 1,
1765 .channels_max = 2,
1766 .buffer_bytes_max = (512*1024),
1767 .period_bytes_min = 64,
1768 .period_bytes_max = (512*1024),
1769 .periods_min = 1,
1770 .periods_max = 1024,
1771 };
1772
1773 static struct snd_pcm_hardware snd_m3_capture =
1774 {
1775 .info = (SNDRV_PCM_INFO_MMAP |
1776 SNDRV_PCM_INFO_INTERLEAVED |
1777 SNDRV_PCM_INFO_MMAP_VALID |
1778 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1779 /*SNDRV_PCM_INFO_PAUSE |*/
1780 SNDRV_PCM_INFO_RESUME),
1781 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1782 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1783 .rate_min = 8000,
1784 .rate_max = 48000,
1785 .channels_min = 1,
1786 .channels_max = 2,
1787 .buffer_bytes_max = (512*1024),
1788 .period_bytes_min = 64,
1789 .period_bytes_max = (512*1024),
1790 .periods_min = 1,
1791 .periods_max = 1024,
1792 };
1793
1794
1795 /*
1796 */
1797
1798 static int
1799 snd_m3_substream_open(struct snd_m3 *chip, struct snd_pcm_substream *subs)
1800 {
1801 int i;
1802 struct m3_dma *s;
1803
1804 spin_lock_irq(&chip->reg_lock);
1805 for (i = 0; i < chip->num_substreams; i++) {
1806 s = &chip->substreams[i];
1807 if (! s->opened)
1808 goto __found;
1809 }
1810 spin_unlock_irq(&chip->reg_lock);
1811 return -ENOMEM;
1812 __found:
1813 s->opened = 1;
1814 s->running = 0;
1815 spin_unlock_irq(&chip->reg_lock);
1816
1817 subs->runtime->private_data = s;
1818 s->substream = subs;
1819
1820 /* set list owners */
1821 if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1822 s->index_list[0] = &chip->mixer_list;
1823 } else
1824 s->index_list[0] = &chip->adc1_list;
1825 s->index_list[1] = &chip->msrc_list;
1826 s->index_list[2] = &chip->dma_list;
1827
1828 return 0;
1829 }
1830
1831 static void
1832 snd_m3_substream_close(struct snd_m3 *chip, struct snd_pcm_substream *subs)
1833 {
1834 struct m3_dma *s = subs->runtime->private_data;
1835
1836 if (s == NULL)
1837 return; /* not opened properly */
1838
1839 spin_lock_irq(&chip->reg_lock);
1840 if (s->substream && s->running)
1841 snd_m3_pcm_stop(chip, s, s->substream); /* does this happen? */
1842 if (s->in_lists) {
1843 snd_m3_remove_list(chip, s->index_list[0], s->index[0]);
1844 snd_m3_remove_list(chip, s->index_list[1], s->index[1]);
1845 snd_m3_remove_list(chip, s->index_list[2], s->index[2]);
1846 s->in_lists = 0;
1847 }
1848 s->running = 0;
1849 s->opened = 0;
1850 spin_unlock_irq(&chip->reg_lock);
1851 }
1852
1853 static int
1854 snd_m3_playback_open(struct snd_pcm_substream *subs)
1855 {
1856 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1857 struct snd_pcm_runtime *runtime = subs->runtime;
1858 int err;
1859
1860 if ((err = snd_m3_substream_open(chip, subs)) < 0)
1861 return err;
1862
1863 runtime->hw = snd_m3_playback;
1864
1865 return 0;
1866 }
1867
1868 static int
1869 snd_m3_playback_close(struct snd_pcm_substream *subs)
1870 {
1871 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1872
1873 snd_m3_substream_close(chip, subs);
1874 return 0;
1875 }
1876
1877 static int
1878 snd_m3_capture_open(struct snd_pcm_substream *subs)
1879 {
1880 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1881 struct snd_pcm_runtime *runtime = subs->runtime;
1882 int err;
1883
1884 if ((err = snd_m3_substream_open(chip, subs)) < 0)
1885 return err;
1886
1887 runtime->hw = snd_m3_capture;
1888
1889 return 0;
1890 }
1891
1892 static int
1893 snd_m3_capture_close(struct snd_pcm_substream *subs)
1894 {
1895 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1896
1897 snd_m3_substream_close(chip, subs);
1898 return 0;
1899 }
1900
1901 /*
1902 * create pcm instance
1903 */
1904
1905 static struct snd_pcm_ops snd_m3_playback_ops = {
1906 .open = snd_m3_playback_open,
1907 .close = snd_m3_playback_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 struct snd_pcm_ops snd_m3_capture_ops = {
1917 .open = snd_m3_capture_open,
1918 .close = snd_m3_capture_close,
1919 .ioctl = snd_pcm_lib_ioctl,
1920 .hw_params = snd_m3_pcm_hw_params,
1921 .hw_free = snd_m3_pcm_hw_free,
1922 .prepare = snd_m3_pcm_prepare,
1923 .trigger = snd_m3_pcm_trigger,
1924 .pointer = snd_m3_pcm_pointer,
1925 };
1926
1927 static int __devinit
1928 snd_m3_pcm(struct snd_m3 * chip, int device)
1929 {
1930 struct snd_pcm *pcm;
1931 int err;
1932
1933 err = snd_pcm_new(chip->card, chip->card->driver, device,
1934 MAX_PLAYBACKS, MAX_CAPTURES, &pcm);
1935 if (err < 0)
1936 return err;
1937
1938 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_m3_playback_ops);
1939 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_m3_capture_ops);
1940
1941 pcm->private_data = chip;
1942 pcm->info_flags = 0;
1943 strcpy(pcm->name, chip->card->driver);
1944 chip->pcm = pcm;
1945
1946 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1947 snd_dma_pci_data(chip->pci), 64*1024, 64*1024);
1948
1949 return 0;
1950 }
1951
1952
1953 /*
1954 * ac97 interface
1955 */
1956
1957 /*
1958 * Wait for the ac97 serial bus to be free.
1959 * return nonzero if the bus is still busy.
1960 */
1961 static int snd_m3_ac97_wait(struct snd_m3 *chip)
1962 {
1963 int i = 10000;
1964
1965 do {
1966 if (! (snd_m3_inb(chip, 0x30) & 1))
1967 return 0;
1968 cpu_relax();
1969 } while (i-- > 0);
1970
1971 snd_printk(KERN_ERR "ac97 serial bus busy\n");
1972 return 1;
1973 }
1974
1975 static unsigned short
1976 snd_m3_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
1977 {
1978 struct snd_m3 *chip = ac97->private_data;
1979 unsigned short data = 0xffff;
1980
1981 if (snd_m3_ac97_wait(chip))
1982 goto fail;
1983 snd_m3_outb(chip, 0x80 | (reg & 0x7f), CODEC_COMMAND);
1984 if (snd_m3_ac97_wait(chip))
1985 goto fail;
1986 data = snd_m3_inw(chip, CODEC_DATA);
1987 fail:
1988 return data;
1989 }
1990
1991 static void
1992 snd_m3_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val)
1993 {
1994 struct snd_m3 *chip = ac97->private_data;
1995
1996 if (snd_m3_ac97_wait(chip))
1997 return;
1998 snd_m3_outw(chip, val, CODEC_DATA);
1999 snd_m3_outb(chip, reg & 0x7f, CODEC_COMMAND);
2000 }
2001
2002
2003 static void snd_m3_remote_codec_config(int io, int isremote)
2004 {
2005 isremote = isremote ? 1 : 0;
2006
2007 outw((inw(io + RING_BUS_CTRL_B) & ~SECOND_CODEC_ID_MASK) | isremote,
2008 io + RING_BUS_CTRL_B);
2009 outw((inw(io + SDO_OUT_DEST_CTRL) & ~COMMAND_ADDR_OUT) | isremote,
2010 io + SDO_OUT_DEST_CTRL);
2011 outw((inw(io + SDO_IN_DEST_CTRL) & ~STATUS_ADDR_IN) | isremote,
2012 io + SDO_IN_DEST_CTRL);
2013 }
2014
2015 /*
2016 * hack, returns non zero on err
2017 */
2018 static int snd_m3_try_read_vendor(struct snd_m3 *chip)
2019 {
2020 u16 ret;
2021
2022 if (snd_m3_ac97_wait(chip))
2023 return 1;
2024
2025 snd_m3_outb(chip, 0x80 | (AC97_VENDOR_ID1 & 0x7f), 0x30);
2026
2027 if (snd_m3_ac97_wait(chip))
2028 return 1;
2029
2030 ret = snd_m3_inw(chip, 0x32);
2031
2032 return (ret == 0) || (ret == 0xffff);
2033 }
2034
2035 static void snd_m3_ac97_reset(struct snd_m3 *chip)
2036 {
2037 u16 dir;
2038 int delay1 = 0, delay2 = 0, i;
2039 int io = chip->iobase;
2040
2041 if (chip->allegro_flag) {
2042 /*
2043 * the onboard codec on the allegro seems
2044 * to want to wait a very long time before
2045 * coming back to life
2046 */
2047 delay1 = 50;
2048 delay2 = 800;
2049 } else {
2050 /* maestro3 */
2051 delay1 = 20;
2052 delay2 = 500;
2053 }
2054
2055 for (i = 0; i < 5; i++) {
2056 dir = inw(io + GPIO_DIRECTION);
2057 if (!chip->irda_workaround)
2058 dir |= 0x10; /* assuming pci bus master? */
2059
2060 snd_m3_remote_codec_config(io, 0);
2061
2062 outw(IO_SRAM_ENABLE, io + RING_BUS_CTRL_A);
2063 udelay(20);
2064
2065 outw(dir & ~GPO_PRIMARY_AC97 , io + GPIO_DIRECTION);
2066 outw(~GPO_PRIMARY_AC97 , io + GPIO_MASK);
2067 outw(0, io + GPIO_DATA);
2068 outw(dir | GPO_PRIMARY_AC97, io + GPIO_DIRECTION);
2069
2070 schedule_timeout_uninterruptible(msecs_to_jiffies(delay1));
2071
2072 outw(GPO_PRIMARY_AC97, io + GPIO_DATA);
2073 udelay(5);
2074 /* ok, bring back the ac-link */
2075 outw(IO_SRAM_ENABLE | SERIAL_AC_LINK_ENABLE, io + RING_BUS_CTRL_A);
2076 outw(~0, io + GPIO_MASK);
2077
2078 schedule_timeout_uninterruptible(msecs_to_jiffies(delay2));
2079
2080 if (! snd_m3_try_read_vendor(chip))
2081 break;
2082
2083 delay1 += 10;
2084 delay2 += 100;
2085
2086 snd_printd("maestro3: retrying codec reset with delays of %d and %d ms\n",
2087 delay1, delay2);
2088 }
2089
2090 #if 0
2091 /* more gung-ho reset that doesn't
2092 * seem to work anywhere :)
2093 */
2094 tmp = inw(io + RING_BUS_CTRL_A);
2095 outw(RAC_SDFS_ENABLE|LAC_SDFS_ENABLE, io + RING_BUS_CTRL_A);
2096 msleep(20);
2097 outw(tmp, io + RING_BUS_CTRL_A);
2098 msleep(50);
2099 #endif
2100 }
2101
2102 static int __devinit snd_m3_mixer(struct snd_m3 *chip)
2103 {
2104 struct snd_ac97_bus *pbus;
2105 struct snd_ac97_template ac97;
2106 #ifndef CONFIG_SND_MAESTRO3_INPUT
2107 struct snd_ctl_elem_id elem_id;
2108 #endif
2109 int err;
2110 static struct snd_ac97_bus_ops ops = {
2111 .write = snd_m3_ac97_write,
2112 .read = snd_m3_ac97_read,
2113 };
2114
2115 if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0)
2116 return err;
2117
2118 memset(&ac97, 0, sizeof(ac97));
2119 ac97.private_data = chip;
2120 if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2121 return err;
2122
2123 /* seems ac97 PCM needs initialization.. hack hack.. */
2124 snd_ac97_write(chip->ac97, AC97_PCM, 0x8000 | (15 << 8) | 15);
2125 schedule_timeout_uninterruptible(msecs_to_jiffies(100));
2126 snd_ac97_write(chip->ac97, AC97_PCM, 0);
2127
2128 #ifndef CONFIG_SND_MAESTRO3_INPUT
2129 memset(&elem_id, 0, sizeof(elem_id));
2130 elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2131 strcpy(elem_id.name, "Master Playback Switch");
2132 chip->master_switch = snd_ctl_find_id(chip->card, &elem_id);
2133 memset(&elem_id, 0, sizeof(elem_id));
2134 elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2135 strcpy(elem_id.name, "Master Playback Volume");
2136 chip->master_volume = snd_ctl_find_id(chip->card, &elem_id);
2137 #endif
2138
2139 return 0;
2140 }
2141
2142
2143 /*
2144 * initialize ASSP
2145 */
2146
2147 #define MINISRC_LPF_LEN 10
2148 static const u16 minisrc_lpf[MINISRC_LPF_LEN] = {
2149 0X0743, 0X1104, 0X0A4C, 0XF88D, 0X242C,
2150 0X1023, 0X1AA9, 0X0B60, 0XEFDD, 0X186F
2151 };
2152
2153 static void snd_m3_assp_init(struct snd_m3 *chip)
2154 {
2155 unsigned int i;
2156 const u16 *data;
2157
2158 /* zero kernel data */
2159 for (i = 0; i < (REV_B_DATA_MEMORY_UNIT_LENGTH * NUM_UNITS_KERNEL_DATA) / 2; i++)
2160 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2161 KDATA_BASE_ADDR + i, 0);
2162
2163 /* zero mixer data? */
2164 for (i = 0; i < (REV_B_DATA_MEMORY_UNIT_LENGTH * NUM_UNITS_KERNEL_DATA) / 2; i++)
2165 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2166 KDATA_BASE_ADDR2 + i, 0);
2167
2168 /* init dma pointer */
2169 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2170 KDATA_CURRENT_DMA,
2171 KDATA_DMA_XFER0);
2172
2173 /* write kernel into code memory.. */
2174 data = (const u16 *)chip->assp_kernel_image->data;
2175 for (i = 0 ; i * 2 < chip->assp_kernel_image->size; i++) {
2176 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2177 REV_B_CODE_MEMORY_BEGIN + i,
2178 le16_to_cpu(data[i]));
2179 }
2180
2181 /*
2182 * We only have this one client and we know that 0x400
2183 * is free in our kernel's mem map, so lets just
2184 * drop it there. It seems that the minisrc doesn't
2185 * need vectors, so we won't bother with them..
2186 */
2187 data = (const u16 *)chip->assp_minisrc_image->data;
2188 for (i = 0; i * 2 < chip->assp_minisrc_image->size; i++) {
2189 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2190 0x400 + i, le16_to_cpu(data[i]));
2191 }
2192
2193 /*
2194 * write the coefficients for the low pass filter?
2195 */
2196 for (i = 0; i < MINISRC_LPF_LEN ; i++) {
2197 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2198 0x400 + MINISRC_COEF_LOC + i,
2199 minisrc_lpf[i]);
2200 }
2201
2202 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2203 0x400 + MINISRC_COEF_LOC + MINISRC_LPF_LEN,
2204 0x8000);
2205
2206 /*
2207 * the minisrc is the only thing on
2208 * our task list..
2209 */
2210 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2211 KDATA_TASK0,
2212 0x400);
2213
2214 /*
2215 * init the mixer number..
2216 */
2217
2218 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2219 KDATA_MIXER_TASK_NUMBER,0);
2220
2221 /*
2222 * EXTREME KERNEL MASTER VOLUME
2223 */
2224 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2225 KDATA_DAC_LEFT_VOLUME, ARB_VOLUME);
2226 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2227 KDATA_DAC_RIGHT_VOLUME, ARB_VOLUME);
2228
2229 chip->mixer_list.curlen = 0;
2230 chip->mixer_list.mem_addr = KDATA_MIXER_XFER0;
2231 chip->mixer_list.max = MAX_VIRTUAL_MIXER_CHANNELS;
2232 chip->adc1_list.curlen = 0;
2233 chip->adc1_list.mem_addr = KDATA_ADC1_XFER0;
2234 chip->adc1_list.max = MAX_VIRTUAL_ADC1_CHANNELS;
2235 chip->dma_list.curlen = 0;
2236 chip->dma_list.mem_addr = KDATA_DMA_XFER0;
2237 chip->dma_list.max = MAX_VIRTUAL_DMA_CHANNELS;
2238 chip->msrc_list.curlen = 0;
2239 chip->msrc_list.mem_addr = KDATA_INSTANCE0_MINISRC;
2240 chip->msrc_list.max = MAX_INSTANCE_MINISRC;
2241 }
2242
2243
2244 static int __devinit snd_m3_assp_client_init(struct snd_m3 *chip, struct m3_dma *s, int index)
2245 {
2246 int data_bytes = 2 * ( MINISRC_TMP_BUFFER_SIZE / 2 +
2247 MINISRC_IN_BUFFER_SIZE / 2 +
2248 1 + MINISRC_OUT_BUFFER_SIZE / 2 + 1 );
2249 int address, i;
2250
2251 /*
2252 * the revb memory map has 0x1100 through 0x1c00
2253 * free.
2254 */
2255
2256 /*
2257 * align instance address to 256 bytes so that its
2258 * shifted list address is aligned.
2259 * list address = (mem address >> 1) >> 7;
2260 */
2261 data_bytes = ALIGN(data_bytes, 256);
2262 address = 0x1100 + ((data_bytes/2) * index);
2263
2264 if ((address + (data_bytes/2)) >= 0x1c00) {
2265 snd_printk(KERN_ERR "no memory for %d bytes at ind %d (addr 0x%x)\n",
2266 data_bytes, index, address);
2267 return -ENOMEM;
2268 }
2269
2270 s->number = index;
2271 s->inst.code = 0x400;
2272 s->inst.data = address;
2273
2274 for (i = data_bytes / 2; i > 0; address++, i--) {
2275 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2276 address, 0);
2277 }
2278
2279 return 0;
2280 }
2281
2282
2283 /*
2284 * this works for the reference board, have to find
2285 * out about others
2286 *
2287 * this needs more magic for 4 speaker, but..
2288 */
2289 static void
2290 snd_m3_amp_enable(struct snd_m3 *chip, int enable)
2291 {
2292 int io = chip->iobase;
2293 u16 gpo, polarity;
2294
2295 if (! chip->external_amp)
2296 return;
2297
2298 polarity = enable ? 0 : 1;
2299 polarity = polarity << chip->amp_gpio;
2300 gpo = 1 << chip->amp_gpio;
2301
2302 outw(~gpo, io + GPIO_MASK);
2303
2304 outw(inw(io + GPIO_DIRECTION) | gpo,
2305 io + GPIO_DIRECTION);
2306
2307 outw((GPO_SECONDARY_AC97 | GPO_PRIMARY_AC97 | polarity),
2308 io + GPIO_DATA);
2309
2310 outw(0xffff, io + GPIO_MASK);
2311 }
2312
2313 static void
2314 snd_m3_hv_init(struct snd_m3 *chip)
2315 {
2316 unsigned long io = chip->iobase;
2317 u16 val = GPI_VOL_DOWN | GPI_VOL_UP;
2318
2319 if (!chip->is_omnibook)
2320 return;
2321
2322 /*
2323 * Volume buttons on some HP OmniBook laptops
2324 * require some GPIO magic to work correctly.
2325 */
2326 outw(0xffff, io + GPIO_MASK);
2327 outw(0x0000, io + GPIO_DATA);
2328
2329 outw(~val, io + GPIO_MASK);
2330 outw(inw(io + GPIO_DIRECTION) & ~val, io + GPIO_DIRECTION);
2331 outw(val, io + GPIO_MASK);
2332
2333 outw(0xffff, io + GPIO_MASK);
2334 }
2335
2336 static int
2337 snd_m3_chip_init(struct snd_m3 *chip)
2338 {
2339 struct pci_dev *pcidev = chip->pci;
2340 unsigned long io = chip->iobase;
2341 u32 n;
2342 u16 w;
2343 u8 t; /* makes as much sense as 'n', no? */
2344
2345 pci_read_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, &w);
2346 w &= ~(SOUND_BLASTER_ENABLE|FM_SYNTHESIS_ENABLE|
2347 MPU401_IO_ENABLE|MPU401_IRQ_ENABLE|ALIAS_10BIT_IO|
2348 DISABLE_LEGACY);
2349 pci_write_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, w);
2350
2351 pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n);
2352 n &= ~(HV_CTRL_ENABLE | REDUCED_DEBOUNCE | HV_BUTTON_FROM_GD);
2353 n |= chip->hv_config;
2354 /* For some reason we must always use reduced debounce. */
2355 n |= REDUCED_DEBOUNCE;
2356 n |= PM_CTRL_ENABLE | CLK_DIV_BY_49 | USE_PCI_TIMING;
2357 pci_write_config_dword(pcidev, PCI_ALLEGRO_CONFIG, n);
2358
2359 outb(RESET_ASSP, chip->iobase + ASSP_CONTROL_B);
2360 pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n);
2361 n &= ~INT_CLK_SELECT;
2362 if (!chip->allegro_flag) {
2363 n &= ~INT_CLK_MULT_ENABLE;
2364 n |= INT_CLK_SRC_NOT_PCI;
2365 }
2366 n &= ~( CLK_MULT_MODE_SELECT | CLK_MULT_MODE_SELECT_2 );
2367 pci_write_config_dword(pcidev, PCI_ALLEGRO_CONFIG, n);
2368
2369 if (chip->allegro_flag) {
2370 pci_read_config_dword(pcidev, PCI_USER_CONFIG, &n);
2371 n |= IN_CLK_12MHZ_SELECT;
2372 pci_write_config_dword(pcidev, PCI_USER_CONFIG, n);
2373 }
2374
2375 t = inb(chip->iobase + ASSP_CONTROL_A);
2376 t &= ~( DSP_CLK_36MHZ_SELECT | ASSP_CLK_49MHZ_SELECT);
2377 t |= ASSP_CLK_49MHZ_SELECT;
2378 t |= ASSP_0_WS_ENABLE;
2379 outb(t, chip->iobase + ASSP_CONTROL_A);
2380
2381 snd_m3_assp_init(chip); /* download DSP code before starting ASSP below */
2382 outb(RUN_ASSP, chip->iobase + ASSP_CONTROL_B);
2383
2384 outb(0x00, io + HARDWARE_VOL_CTRL);
2385 outb(0x88, io + SHADOW_MIX_REG_VOICE);
2386 outb(0x88, io + HW_VOL_COUNTER_VOICE);
2387 outb(0x88, io + SHADOW_MIX_REG_MASTER);
2388 outb(0x88, io + HW_VOL_COUNTER_MASTER);
2389
2390 return 0;
2391 }
2392
2393 static void
2394 snd_m3_enable_ints(struct snd_m3 *chip)
2395 {
2396 unsigned long io = chip->iobase;
2397 unsigned short val;
2398
2399 /* TODO: MPU401 not supported yet */
2400 val = ASSP_INT_ENABLE /*| MPU401_INT_ENABLE*/;
2401 if (chip->hv_config & HV_CTRL_ENABLE)
2402 val |= HV_INT_ENABLE;
2403 outb(val, chip->iobase + HOST_INT_STATUS);
2404 outw(val, io + HOST_INT_CTRL);
2405 outb(inb(io + ASSP_CONTROL_C) | ASSP_HOST_INT_ENABLE,
2406 io + ASSP_CONTROL_C);
2407 }
2408
2409
2410 /*
2411 */
2412
2413 static int snd_m3_free(struct snd_m3 *chip)
2414 {
2415 struct m3_dma *s;
2416 int i;
2417
2418 cancel_work_sync(&chip->hwvol_work);
2419 #ifdef CONFIG_SND_MAESTRO3_INPUT
2420 if (chip->input_dev)
2421 input_unregister_device(chip->input_dev);
2422 #endif
2423
2424 if (chip->substreams) {
2425 spin_lock_irq(&chip->reg_lock);
2426 for (i = 0; i < chip->num_substreams; i++) {
2427 s = &chip->substreams[i];
2428 /* check surviving pcms; this should not happen though.. */
2429 if (s->substream && s->running)
2430 snd_m3_pcm_stop(chip, s, s->substream);
2431 }
2432 spin_unlock_irq(&chip->reg_lock);
2433 kfree(chip->substreams);
2434 }
2435 if (chip->iobase) {
2436 outw(0, chip->iobase + HOST_INT_CTRL); /* disable ints */
2437 }
2438
2439 #ifdef CONFIG_PM
2440 vfree(chip->suspend_mem);
2441 #endif
2442
2443 if (chip->irq >= 0)
2444 free_irq(chip->irq, chip);
2445
2446 if (chip->iobase)
2447 pci_release_regions(chip->pci);
2448
2449 release_firmware(chip->assp_kernel_image);
2450 release_firmware(chip->assp_minisrc_image);
2451
2452 pci_disable_device(chip->pci);
2453 kfree(chip);
2454 return 0;
2455 }
2456
2457
2458 /*
2459 * APM support
2460 */
2461 #ifdef CONFIG_PM
2462 static int m3_suspend(struct pci_dev *pci, pm_message_t state)
2463 {
2464 struct snd_card *card = pci_get_drvdata(pci);
2465 struct snd_m3 *chip = card->private_data;
2466 int i, dsp_index;
2467
2468 if (chip->suspend_mem == NULL)
2469 return 0;
2470
2471 chip->in_suspend = 1;
2472 cancel_work_sync(&chip->hwvol_work);
2473 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2474 snd_pcm_suspend_all(chip->pcm);
2475 snd_ac97_suspend(chip->ac97);
2476
2477 msleep(10); /* give the assp a chance to idle.. */
2478
2479 snd_m3_assp_halt(chip);
2480
2481 /* save dsp image */
2482 dsp_index = 0;
2483 for (i = REV_B_CODE_MEMORY_BEGIN; i <= REV_B_CODE_MEMORY_END; i++)
2484 chip->suspend_mem[dsp_index++] =
2485 snd_m3_assp_read(chip, MEMTYPE_INTERNAL_CODE, i);
2486 for (i = REV_B_DATA_MEMORY_BEGIN ; i <= REV_B_DATA_MEMORY_END; i++)
2487 chip->suspend_mem[dsp_index++] =
2488 snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA, i);
2489
2490 pci_disable_device(pci);
2491 pci_save_state(pci);
2492 pci_set_power_state(pci, pci_choose_state(pci, state));
2493 return 0;
2494 }
2495
2496 static int m3_resume(struct pci_dev *pci)
2497 {
2498 struct snd_card *card = pci_get_drvdata(pci);
2499 struct snd_m3 *chip = card->private_data;
2500 int i, dsp_index;
2501
2502 if (chip->suspend_mem == NULL)
2503 return 0;
2504
2505 pci_set_power_state(pci, PCI_D0);
2506 pci_restore_state(pci);
2507 if (pci_enable_device(pci) < 0) {
2508 printk(KERN_ERR "maestor3: pci_enable_device failed, "
2509 "disabling device\n");
2510 snd_card_disconnect(card);
2511 return -EIO;
2512 }
2513 pci_set_master(pci);
2514
2515 /* first lets just bring everything back. .*/
2516 snd_m3_outw(chip, 0, 0x54);
2517 snd_m3_outw(chip, 0, 0x56);
2518
2519 snd_m3_chip_init(chip);
2520 snd_m3_assp_halt(chip);
2521 snd_m3_ac97_reset(chip);
2522
2523 /* restore dsp image */
2524 dsp_index = 0;
2525 for (i = REV_B_CODE_MEMORY_BEGIN; i <= REV_B_CODE_MEMORY_END; i++)
2526 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, i,
2527 chip->suspend_mem[dsp_index++]);
2528 for (i = REV_B_DATA_MEMORY_BEGIN ; i <= REV_B_DATA_MEMORY_END; i++)
2529 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, i,
2530 chip->suspend_mem[dsp_index++]);
2531
2532 /* tell the dma engine to restart itself */
2533 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2534 KDATA_DMA_ACTIVE, 0);
2535
2536 /* restore ac97 registers */
2537 snd_ac97_resume(chip->ac97);
2538
2539 snd_m3_assp_continue(chip);
2540 snd_m3_enable_ints(chip);
2541 snd_m3_amp_enable(chip, 1);
2542
2543 snd_m3_hv_init(chip);
2544
2545 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2546 chip->in_suspend = 0;
2547 return 0;
2548 }
2549 #endif /* CONFIG_PM */
2550
2551 #ifdef CONFIG_SND_MAESTRO3_INPUT
2552 static int __devinit snd_m3_input_register(struct snd_m3 *chip)
2553 {
2554 struct input_dev *input_dev;
2555 int err;
2556
2557 input_dev = input_allocate_device();
2558 if (!input_dev)
2559 return -ENOMEM;
2560
2561 snprintf(chip->phys, sizeof(chip->phys), "pci-%s/input0",
2562 pci_name(chip->pci));
2563
2564 input_dev->name = chip->card->driver;
2565 input_dev->phys = chip->phys;
2566 input_dev->id.bustype = BUS_PCI;
2567 input_dev->id.vendor = chip->pci->vendor;
2568 input_dev->id.product = chip->pci->device;
2569 input_dev->dev.parent = &chip->pci->dev;
2570
2571 __set_bit(EV_KEY, input_dev->evbit);
2572 __set_bit(KEY_MUTE, input_dev->keybit);
2573 __set_bit(KEY_VOLUMEDOWN, input_dev->keybit);
2574 __set_bit(KEY_VOLUMEUP, input_dev->keybit);
2575
2576 err = input_register_device(input_dev);
2577 if (err) {
2578 input_free_device(input_dev);
2579 return err;
2580 }
2581
2582 chip->input_dev = input_dev;
2583 return 0;
2584 }
2585 #endif /* CONFIG_INPUT */
2586
2587 /*
2588 */
2589
2590 static int snd_m3_dev_free(struct snd_device *device)
2591 {
2592 struct snd_m3 *chip = device->device_data;
2593 return snd_m3_free(chip);
2594 }
2595
2596 static int __devinit
2597 snd_m3_create(struct snd_card *card, struct pci_dev *pci,
2598 int enable_amp,
2599 int amp_gpio,
2600 struct snd_m3 **chip_ret)
2601 {
2602 struct snd_m3 *chip;
2603 int i, err;
2604 const struct snd_pci_quirk *quirk;
2605 static struct snd_device_ops ops = {
2606 .dev_free = snd_m3_dev_free,
2607 };
2608
2609 *chip_ret = NULL;
2610
2611 if (pci_enable_device(pci))
2612 return -EIO;
2613
2614 /* check, if we can restrict PCI DMA transfers to 28 bits */
2615 if (pci_set_dma_mask(pci, DMA_BIT_MASK(28)) < 0 ||
2616 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(28)) < 0) {
2617 snd_printk(KERN_ERR "architecture does not support 28bit PCI busmaster DMA\n");
2618 pci_disable_device(pci);
2619 return -ENXIO;
2620 }
2621
2622 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
2623 if (chip == NULL) {
2624 pci_disable_device(pci);
2625 return -ENOMEM;
2626 }
2627
2628 spin_lock_init(&chip->reg_lock);
2629
2630 switch (pci->device) {
2631 case PCI_DEVICE_ID_ESS_ALLEGRO:
2632 case PCI_DEVICE_ID_ESS_ALLEGRO_1:
2633 case PCI_DEVICE_ID_ESS_CANYON3D_2LE:
2634 case PCI_DEVICE_ID_ESS_CANYON3D_2:
2635 chip->allegro_flag = 1;
2636 break;
2637 }
2638
2639 chip->card = card;
2640 chip->pci = pci;
2641 chip->irq = -1;
2642 INIT_WORK(&chip->hwvol_work, snd_m3_update_hw_volume);
2643
2644 chip->external_amp = enable_amp;
2645 if (amp_gpio >= 0 && amp_gpio <= 0x0f)
2646 chip->amp_gpio = amp_gpio;
2647 else {
2648 quirk = snd_pci_quirk_lookup(pci, m3_amp_quirk_list);
2649 if (quirk) {
2650 snd_printdd(KERN_INFO "maestro3: set amp-gpio "
2651 "for '%s'\n", quirk->name);
2652 chip->amp_gpio = quirk->value;
2653 } else if (chip->allegro_flag)
2654 chip->amp_gpio = GPO_EXT_AMP_ALLEGRO;
2655 else /* presumably this is for all 'maestro3's.. */
2656 chip->amp_gpio = GPO_EXT_AMP_M3;
2657 }
2658
2659 quirk = snd_pci_quirk_lookup(pci, m3_irda_quirk_list);
2660 if (quirk) {
2661 snd_printdd(KERN_INFO "maestro3: enabled irda workaround "
2662 "for '%s'\n", quirk->name);
2663 chip->irda_workaround = 1;
2664 }
2665 quirk = snd_pci_quirk_lookup(pci, m3_hv_quirk_list);
2666 if (quirk)
2667 chip->hv_config = quirk->value;
2668 if (snd_pci_quirk_lookup(pci, m3_omnibook_quirk_list))
2669 chip->is_omnibook = 1;
2670
2671 chip->num_substreams = NR_DSPS;
2672 chip->substreams = kcalloc(chip->num_substreams, sizeof(struct m3_dma),
2673 GFP_KERNEL);
2674 if (chip->substreams == NULL) {
2675 kfree(chip);
2676 pci_disable_device(pci);
2677 return -ENOMEM;
2678 }
2679
2680 err = request_firmware(&chip->assp_kernel_image,
2681 "ess/maestro3_assp_kernel.fw", &pci->dev);
2682 if (err < 0) {
2683 snd_m3_free(chip);
2684 return err;
2685 }
2686
2687 err = request_firmware(&chip->assp_minisrc_image,
2688 "ess/maestro3_assp_minisrc.fw", &pci->dev);
2689 if (err < 0) {
2690 snd_m3_free(chip);
2691 return err;
2692 }
2693
2694 if ((err = pci_request_regions(pci, card->driver)) < 0) {
2695 snd_m3_free(chip);
2696 return err;
2697 }
2698 chip->iobase = pci_resource_start(pci, 0);
2699
2700 /* just to be sure */
2701 pci_set_master(pci);
2702
2703 snd_m3_chip_init(chip);
2704 snd_m3_assp_halt(chip);
2705
2706 snd_m3_ac97_reset(chip);
2707
2708 snd_m3_amp_enable(chip, 1);
2709
2710 snd_m3_hv_init(chip);
2711
2712 if (request_irq(pci->irq, snd_m3_interrupt, IRQF_SHARED,
2713 KBUILD_MODNAME, chip)) {
2714 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2715 snd_m3_free(chip);
2716 return -ENOMEM;
2717 }
2718 chip->irq = pci->irq;
2719
2720 #ifdef CONFIG_PM
2721 chip->suspend_mem = vmalloc(sizeof(u16) * (REV_B_CODE_MEMORY_LENGTH + REV_B_DATA_MEMORY_LENGTH));
2722 if (chip->suspend_mem == NULL)
2723 snd_printk(KERN_WARNING "can't allocate apm buffer\n");
2724 #endif
2725
2726 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
2727 snd_m3_free(chip);
2728 return err;
2729 }
2730
2731 if ((err = snd_m3_mixer(chip)) < 0)
2732 return err;
2733
2734 for (i = 0; i < chip->num_substreams; i++) {
2735 struct m3_dma *s = &chip->substreams[i];
2736 if ((err = snd_m3_assp_client_init(chip, s, i)) < 0)
2737 return err;
2738 }
2739
2740 if ((err = snd_m3_pcm(chip, 0)) < 0)
2741 return err;
2742
2743 #ifdef CONFIG_SND_MAESTRO3_INPUT
2744 if (chip->hv_config & HV_CTRL_ENABLE) {
2745 err = snd_m3_input_register(chip);
2746 if (err)
2747 snd_printk(KERN_WARNING "Input device registration "
2748 "failed with error %i", err);
2749 }
2750 #endif
2751
2752 snd_m3_enable_ints(chip);
2753 snd_m3_assp_continue(chip);
2754
2755 snd_card_set_dev(card, &pci->dev);
2756
2757 *chip_ret = chip;
2758
2759 return 0;
2760 }
2761
2762 /*
2763 */
2764 static int __devinit
2765 snd_m3_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2766 {
2767 static int dev;
2768 struct snd_card *card;
2769 struct snd_m3 *chip;
2770 int err;
2771
2772 /* don't pick up modems */
2773 if (((pci->class >> 8) & 0xffff) != PCI_CLASS_MULTIMEDIA_AUDIO)
2774 return -ENODEV;
2775
2776 if (dev >= SNDRV_CARDS)
2777 return -ENODEV;
2778 if (!enable[dev]) {
2779 dev++;
2780 return -ENOENT;
2781 }
2782
2783 err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
2784 if (err < 0)
2785 return err;
2786
2787 switch (pci->device) {
2788 case PCI_DEVICE_ID_ESS_ALLEGRO:
2789 case PCI_DEVICE_ID_ESS_ALLEGRO_1:
2790 strcpy(card->driver, "Allegro");
2791 break;
2792 case PCI_DEVICE_ID_ESS_CANYON3D_2LE:
2793 case PCI_DEVICE_ID_ESS_CANYON3D_2:
2794 strcpy(card->driver, "Canyon3D-2");
2795 break;
2796 default:
2797 strcpy(card->driver, "Maestro3");
2798 break;
2799 }
2800
2801 if ((err = snd_m3_create(card, pci,
2802 external_amp[dev],
2803 amp_gpio[dev],
2804 &chip)) < 0) {
2805 snd_card_free(card);
2806 return err;
2807 }
2808 card->private_data = chip;
2809
2810 sprintf(card->shortname, "ESS %s PCI", card->driver);
2811 sprintf(card->longname, "%s at 0x%lx, irq %d",
2812 card->shortname, chip->iobase, chip->irq);
2813
2814 if ((err = snd_card_register(card)) < 0) {
2815 snd_card_free(card);
2816 return err;
2817 }
2818
2819 #if 0 /* TODO: not supported yet */
2820 /* TODO enable MIDI IRQ and I/O */
2821 err = snd_mpu401_uart_new(chip->card, 0, MPU401_HW_MPU401,
2822 chip->iobase + MPU401_DATA_PORT,
2823 MPU401_INFO_INTEGRATED,
2824 chip->irq, 0, &chip->rmidi);
2825 if (err < 0)
2826 printk(KERN_WARNING "maestro3: no MIDI support.\n");
2827 #endif
2828
2829 pci_set_drvdata(pci, card);
2830 dev++;
2831 return 0;
2832 }
2833
2834 static void __devexit snd_m3_remove(struct pci_dev *pci)
2835 {
2836 snd_card_free(pci_get_drvdata(pci));
2837 pci_set_drvdata(pci, NULL);
2838 }
2839
2840 static struct pci_driver driver = {
2841 .name = KBUILD_MODNAME,
2842 .id_table = snd_m3_ids,
2843 .probe = snd_m3_probe,
2844 .remove = __devexit_p(snd_m3_remove),
2845 #ifdef CONFIG_PM
2846 .suspend = m3_suspend,
2847 .resume = m3_resume,
2848 #endif
2849 };
2850
2851 static int __init alsa_card_m3_init(void)
2852 {
2853 return pci_register_driver(&driver);
2854 }
2855
2856 static void __exit alsa_card_m3_exit(void)
2857 {
2858 pci_unregister_driver(&driver);
2859 }
2860
2861 module_init(alsa_card_m3_init)
2862 module_exit(alsa_card_m3_exit)
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