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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
54MODULE_AUTHOR("Zach Brown <zab@zabbo.net>, Takashi Iwai <tiwai@suse.de>");
55MODULE_DESCRIPTION("ESS Maestro3 PCI");
56MODULE_LICENSE("GPL");
57MODULE_SUPPORTED_DEVICE("{{ESS,Maestro3 PCI},"
58 "{ESS,ES1988},"
59 "{ESS,Allegro PCI},"
60 "{ESS,Allegro-1 PCI},"
61 "{ESS,Canyon3D-2/LE PCI}}");
62MODULE_FIRMWARE("ess/maestro3_assp_kernel.fw");
63MODULE_FIRMWARE("ess/maestro3_assp_minisrc.fw");
64
65static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
66static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
67static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* all enabled */
68static int external_amp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
69static int amp_gpio[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
70
71module_param_array(index, int, NULL, 0444);
72MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard.");
73module_param_array(id, charp, NULL, 0444);
74MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard.");
75module_param_array(enable, bool, NULL, 0444);
76MODULE_PARM_DESC(enable, "Enable this soundcard.");
77module_param_array(external_amp, bool, NULL, 0444);
78MODULE_PARM_DESC(external_amp, "Enable external amp for " CARD_NAME " soundcard.");
79module_param_array(amp_gpio, int, NULL, 0444);
80MODULE_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
774struct m3_list {
775 int curlen;
776 int mem_addr;
777 int max;
778};
779
780struct 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
807struct 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 */
871static 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
891MODULE_DEVICE_TABLE(pci, snd_m3_ids);
892
893static 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
902static 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 */
910static 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 */
988static 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
998static inline void snd_m3_outw(struct snd_m3 *chip, u16 value, unsigned long reg)
999{
1000 outw(value, chip->iobase + reg);
1001}
1002
1003static inline u16 snd_m3_inw(struct snd_m3 *chip, unsigned long reg)
1004{
1005 return inw(chip->iobase + reg);
1006}
1007
1008static inline void snd_m3_outb(struct snd_m3 *chip, u8 value, unsigned long reg)
1009{
1010 outb(value, chip->iobase + reg);
1011}
1012
1013static 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 */
1022static 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
1029static 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
1036static 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
1043static 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
1057static 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
1065static 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
1085static 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
1104static 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! */
1128static 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! */
1155static 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
1179static int
1180snd_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 */
1217static void
1218snd_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
1303static 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
1341static 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 */
1369static void
1370snd_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 */
1408static 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
1436static void
1437snd_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
1463static 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
1480static 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
1492static int
1493snd_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 */
1528static unsigned int
1529snd_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
1553static snd_pcm_uframes_t
1554snd_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! */
1572static 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. */
1611static 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
1701static 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
1752static 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
1773static 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
1798static int
1799snd_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
1831static void
1832snd_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
1853static int
1854snd_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
1868static int
1869snd_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
1877static int
1878snd_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
1892static int
1893snd_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
1905static 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
1916static 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
1927static int __devinit
1928snd_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 */
1961static 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
1975static unsigned short
1976snd_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);
1987fail:
1988 return data;
1989}
1990
1991static void
1992snd_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
2003static 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 */
2018static 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
2035static 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
2102static 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
2148static const u16 minisrc_lpf[MINISRC_LPF_LEN] = {
2149 0X0743, 0X1104, 0X0A4C, 0XF88D, 0X242C,
2150 0X1023, 0X1AA9, 0X0B60, 0XEFDD, 0X186F
2151};
2152
2153static 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
2244static 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 */
2289static void
2290snd_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
2313static void
2314snd_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
2336static int
2337snd_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
2393static void
2394snd_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
2413static 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
2462static 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
2496static 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
2552static 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
2590static 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
2596static int __devinit
2597snd_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 */
2764static int __devinit
2765snd_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
2834static 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
2840static 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
2851static int __init alsa_card_m3_init(void)
2852{
2853 return pci_register_driver(&driver);
2854}
2855
2856static void __exit alsa_card_m3_exit(void)
2857{
2858 pci_unregister_driver(&driver);
2859}
2860
2861module_init(alsa_card_m3_init)
2862module_exit(alsa_card_m3_exit)
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Driver for ESS Maestro3/Allegro (ES1988) soundcards.
4 * Copyright (c) 2000 by Zach Brown <zab@zabbo.net>
5 * Takashi Iwai <tiwai@suse.de>
6 *
7 * Most of the hardware init stuffs are based on maestro3 driver for
8 * OSS/Free by Zach Brown. Many thanks to Zach!
9 *
10 * ChangeLog:
11 * Aug. 27, 2001
12 * - Fixed deadlock on capture
13 * - Added Canyon3D-2 support by Rob Riggs <rob@pangalactic.org>
14 */
15
16#define CARD_NAME "ESS Maestro3/Allegro/Canyon3D-2"
17#define DRIVER_NAME "Maestro3"
18
19#include <linux/io.h>
20#include <linux/delay.h>
21#include <linux/interrupt.h>
22#include <linux/init.h>
23#include <linux/pci.h>
24#include <linux/dma-mapping.h>
25#include <linux/slab.h>
26#include <linux/vmalloc.h>
27#include <linux/module.h>
28#include <linux/firmware.h>
29#include <linux/input.h>
30#include <sound/core.h>
31#include <sound/info.h>
32#include <sound/control.h>
33#include <sound/pcm.h>
34#include <sound/mpu401.h>
35#include <sound/ac97_codec.h>
36#include <sound/initval.h>
37#include <asm/byteorder.h>
38
39MODULE_AUTHOR("Zach Brown <zab@zabbo.net>, Takashi Iwai <tiwai@suse.de>");
40MODULE_DESCRIPTION("ESS Maestro3 PCI");
41MODULE_LICENSE("GPL");
42MODULE_FIRMWARE("ess/maestro3_assp_kernel.fw");
43MODULE_FIRMWARE("ess/maestro3_assp_minisrc.fw");
44
45static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
46static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
47static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* all enabled */
48static bool external_amp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
49static int amp_gpio[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
50
51module_param_array(index, int, NULL, 0444);
52MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard.");
53module_param_array(id, charp, NULL, 0444);
54MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard.");
55module_param_array(enable, bool, NULL, 0444);
56MODULE_PARM_DESC(enable, "Enable this soundcard.");
57module_param_array(external_amp, bool, NULL, 0444);
58MODULE_PARM_DESC(external_amp, "Enable external amp for " CARD_NAME " soundcard.");
59module_param_array(amp_gpio, int, NULL, 0444);
60MODULE_PARM_DESC(amp_gpio, "GPIO pin number for external amp. (default = -1)");
61
62#define MAX_PLAYBACKS 2
63#define MAX_CAPTURES 1
64#define NR_DSPS (MAX_PLAYBACKS + MAX_CAPTURES)
65
66
67/*
68 * maestro3 registers
69 */
70
71/* Allegro PCI configuration registers */
72#define PCI_LEGACY_AUDIO_CTRL 0x40
73#define SOUND_BLASTER_ENABLE 0x00000001
74#define FM_SYNTHESIS_ENABLE 0x00000002
75#define GAME_PORT_ENABLE 0x00000004
76#define MPU401_IO_ENABLE 0x00000008
77#define MPU401_IRQ_ENABLE 0x00000010
78#define ALIAS_10BIT_IO 0x00000020
79#define SB_DMA_MASK 0x000000C0
80#define SB_DMA_0 0x00000040
81#define SB_DMA_1 0x00000040
82#define SB_DMA_R 0x00000080
83#define SB_DMA_3 0x000000C0
84#define SB_IRQ_MASK 0x00000700
85#define SB_IRQ_5 0x00000000
86#define SB_IRQ_7 0x00000100
87#define SB_IRQ_9 0x00000200
88#define SB_IRQ_10 0x00000300
89#define MIDI_IRQ_MASK 0x00003800
90#define SERIAL_IRQ_ENABLE 0x00004000
91#define DISABLE_LEGACY 0x00008000
92
93#define PCI_ALLEGRO_CONFIG 0x50
94#define SB_ADDR_240 0x00000004
95#define MPU_ADDR_MASK 0x00000018
96#define MPU_ADDR_330 0x00000000
97#define MPU_ADDR_300 0x00000008
98#define MPU_ADDR_320 0x00000010
99#define MPU_ADDR_340 0x00000018
100#define USE_PCI_TIMING 0x00000040
101#define POSTED_WRITE_ENABLE 0x00000080
102#define DMA_POLICY_MASK 0x00000700
103#define DMA_DDMA 0x00000000
104#define DMA_TDMA 0x00000100
105#define DMA_PCPCI 0x00000200
106#define DMA_WBDMA16 0x00000400
107#define DMA_WBDMA4 0x00000500
108#define DMA_WBDMA2 0x00000600
109#define DMA_WBDMA1 0x00000700
110#define DMA_SAFE_GUARD 0x00000800
111#define HI_PERF_GP_ENABLE 0x00001000
112#define PIC_SNOOP_MODE_0 0x00002000
113#define PIC_SNOOP_MODE_1 0x00004000
114#define SOUNDBLASTER_IRQ_MASK 0x00008000
115#define RING_IN_ENABLE 0x00010000
116#define SPDIF_TEST_MODE 0x00020000
117#define CLK_MULT_MODE_SELECT_2 0x00040000
118#define EEPROM_WRITE_ENABLE 0x00080000
119#define CODEC_DIR_IN 0x00100000
120#define HV_BUTTON_FROM_GD 0x00200000
121#define REDUCED_DEBOUNCE 0x00400000
122#define HV_CTRL_ENABLE 0x00800000
123#define SPDIF_ENABLE 0x01000000
124#define CLK_DIV_SELECT 0x06000000
125#define CLK_DIV_BY_48 0x00000000
126#define CLK_DIV_BY_49 0x02000000
127#define CLK_DIV_BY_50 0x04000000
128#define CLK_DIV_RESERVED 0x06000000
129#define PM_CTRL_ENABLE 0x08000000
130#define CLK_MULT_MODE_SELECT 0x30000000
131#define CLK_MULT_MODE_SHIFT 28
132#define CLK_MULT_MODE_0 0x00000000
133#define CLK_MULT_MODE_1 0x10000000
134#define CLK_MULT_MODE_2 0x20000000
135#define CLK_MULT_MODE_3 0x30000000
136#define INT_CLK_SELECT 0x40000000
137#define INT_CLK_MULT_RESET 0x80000000
138
139/* M3 */
140#define INT_CLK_SRC_NOT_PCI 0x00100000
141#define INT_CLK_MULT_ENABLE 0x80000000
142
143#define PCI_ACPI_CONTROL 0x54
144#define PCI_ACPI_D0 0x00000000
145#define PCI_ACPI_D1 0xB4F70000
146#define PCI_ACPI_D2 0xB4F7B4F7
147
148#define PCI_USER_CONFIG 0x58
149#define EXT_PCI_MASTER_ENABLE 0x00000001
150#define SPDIF_OUT_SELECT 0x00000002
151#define TEST_PIN_DIR_CTRL 0x00000004
152#define AC97_CODEC_TEST 0x00000020
153#define TRI_STATE_BUFFER 0x00000080
154#define IN_CLK_12MHZ_SELECT 0x00000100
155#define MULTI_FUNC_DISABLE 0x00000200
156#define EXT_MASTER_PAIR_SEL 0x00000400
157#define PCI_MASTER_SUPPORT 0x00000800
158#define STOP_CLOCK_ENABLE 0x00001000
159#define EAPD_DRIVE_ENABLE 0x00002000
160#define REQ_TRI_STATE_ENABLE 0x00004000
161#define REQ_LOW_ENABLE 0x00008000
162#define MIDI_1_ENABLE 0x00010000
163#define MIDI_2_ENABLE 0x00020000
164#define SB_AUDIO_SYNC 0x00040000
165#define HV_CTRL_TEST 0x00100000
166#define SOUNDBLASTER_TEST 0x00400000
167
168#define PCI_USER_CONFIG_C 0x5C
169
170#define PCI_DDMA_CTRL 0x60
171#define DDMA_ENABLE 0x00000001
172
173
174/* Allegro registers */
175#define HOST_INT_CTRL 0x18
176#define SB_INT_ENABLE 0x0001
177#define MPU401_INT_ENABLE 0x0002
178#define ASSP_INT_ENABLE 0x0010
179#define RING_INT_ENABLE 0x0020
180#define HV_INT_ENABLE 0x0040
181#define CLKRUN_GEN_ENABLE 0x0100
182#define HV_CTRL_TO_PME 0x0400
183#define SOFTWARE_RESET_ENABLE 0x8000
184
185/*
186 * should be using the above defines, probably.
187 */
188#define REGB_ENABLE_RESET 0x01
189#define REGB_STOP_CLOCK 0x10
190
191#define HOST_INT_STATUS 0x1A
192#define SB_INT_PENDING 0x01
193#define MPU401_INT_PENDING 0x02
194#define ASSP_INT_PENDING 0x10
195#define RING_INT_PENDING 0x20
196#define HV_INT_PENDING 0x40
197
198#define HARDWARE_VOL_CTRL 0x1B
199#define SHADOW_MIX_REG_VOICE 0x1C
200#define HW_VOL_COUNTER_VOICE 0x1D
201#define SHADOW_MIX_REG_MASTER 0x1E
202#define HW_VOL_COUNTER_MASTER 0x1F
203
204#define CODEC_COMMAND 0x30
205#define CODEC_READ_B 0x80
206
207#define CODEC_STATUS 0x30
208#define CODEC_BUSY_B 0x01
209
210#define CODEC_DATA 0x32
211
212#define RING_BUS_CTRL_A 0x36
213#define RAC_PME_ENABLE 0x0100
214#define RAC_SDFS_ENABLE 0x0200
215#define LAC_PME_ENABLE 0x0400
216#define LAC_SDFS_ENABLE 0x0800
217#define SERIAL_AC_LINK_ENABLE 0x1000
218#define IO_SRAM_ENABLE 0x2000
219#define IIS_INPUT_ENABLE 0x8000
220
221#define RING_BUS_CTRL_B 0x38
222#define SECOND_CODEC_ID_MASK 0x0003
223#define SPDIF_FUNC_ENABLE 0x0010
224#define SECOND_AC_ENABLE 0x0020
225#define SB_MODULE_INTF_ENABLE 0x0040
226#define SSPE_ENABLE 0x0040
227#define M3I_DOCK_ENABLE 0x0080
228
229#define SDO_OUT_DEST_CTRL 0x3A
230#define COMMAND_ADDR_OUT 0x0003
231#define PCM_LR_OUT_LOCAL 0x0000
232#define PCM_LR_OUT_REMOTE 0x0004
233#define PCM_LR_OUT_MUTE 0x0008
234#define PCM_LR_OUT_BOTH 0x000C
235#define LINE1_DAC_OUT_LOCAL 0x0000
236#define LINE1_DAC_OUT_REMOTE 0x0010
237#define LINE1_DAC_OUT_MUTE 0x0020
238#define LINE1_DAC_OUT_BOTH 0x0030
239#define PCM_CLS_OUT_LOCAL 0x0000
240#define PCM_CLS_OUT_REMOTE 0x0040
241#define PCM_CLS_OUT_MUTE 0x0080
242#define PCM_CLS_OUT_BOTH 0x00C0
243#define PCM_RLF_OUT_LOCAL 0x0000
244#define PCM_RLF_OUT_REMOTE 0x0100
245#define PCM_RLF_OUT_MUTE 0x0200
246#define PCM_RLF_OUT_BOTH 0x0300
247#define LINE2_DAC_OUT_LOCAL 0x0000
248#define LINE2_DAC_OUT_REMOTE 0x0400
249#define LINE2_DAC_OUT_MUTE 0x0800
250#define LINE2_DAC_OUT_BOTH 0x0C00
251#define HANDSET_OUT_LOCAL 0x0000
252#define HANDSET_OUT_REMOTE 0x1000
253#define HANDSET_OUT_MUTE 0x2000
254#define HANDSET_OUT_BOTH 0x3000
255#define IO_CTRL_OUT_LOCAL 0x0000
256#define IO_CTRL_OUT_REMOTE 0x4000
257#define IO_CTRL_OUT_MUTE 0x8000
258#define IO_CTRL_OUT_BOTH 0xC000
259
260#define SDO_IN_DEST_CTRL 0x3C
261#define STATUS_ADDR_IN 0x0003
262#define PCM_LR_IN_LOCAL 0x0000
263#define PCM_LR_IN_REMOTE 0x0004
264#define PCM_LR_RESERVED 0x0008
265#define PCM_LR_IN_BOTH 0x000C
266#define LINE1_ADC_IN_LOCAL 0x0000
267#define LINE1_ADC_IN_REMOTE 0x0010
268#define LINE1_ADC_IN_MUTE 0x0020
269#define MIC_ADC_IN_LOCAL 0x0000
270#define MIC_ADC_IN_REMOTE 0x0040
271#define MIC_ADC_IN_MUTE 0x0080
272#define LINE2_DAC_IN_LOCAL 0x0000
273#define LINE2_DAC_IN_REMOTE 0x0400
274#define LINE2_DAC_IN_MUTE 0x0800
275#define HANDSET_IN_LOCAL 0x0000
276#define HANDSET_IN_REMOTE 0x1000
277#define HANDSET_IN_MUTE 0x2000
278#define IO_STATUS_IN_LOCAL 0x0000
279#define IO_STATUS_IN_REMOTE 0x4000
280
281#define SPDIF_IN_CTRL 0x3E
282#define SPDIF_IN_ENABLE 0x0001
283
284#define GPIO_DATA 0x60
285#define GPIO_DATA_MASK 0x0FFF
286#define GPIO_HV_STATUS 0x3000
287#define GPIO_PME_STATUS 0x4000
288
289#define GPIO_MASK 0x64
290#define GPIO_DIRECTION 0x68
291#define GPO_PRIMARY_AC97 0x0001
292#define GPI_LINEOUT_SENSE 0x0004
293#define GPO_SECONDARY_AC97 0x0008
294#define GPI_VOL_DOWN 0x0010
295#define GPI_VOL_UP 0x0020
296#define GPI_IIS_CLK 0x0040
297#define GPI_IIS_LRCLK 0x0080
298#define GPI_IIS_DATA 0x0100
299#define GPI_DOCKING_STATUS 0x0100
300#define GPI_HEADPHONE_SENSE 0x0200
301#define GPO_EXT_AMP_SHUTDOWN 0x1000
302
303#define GPO_EXT_AMP_M3 1 /* default m3 amp */
304#define GPO_EXT_AMP_ALLEGRO 8 /* default allegro amp */
305
306/* M3 */
307#define GPO_M3_EXT_AMP_SHUTDN 0x0002
308
309#define ASSP_INDEX_PORT 0x80
310#define ASSP_MEMORY_PORT 0x82
311#define ASSP_DATA_PORT 0x84
312
313#define MPU401_DATA_PORT 0x98
314#define MPU401_STATUS_PORT 0x99
315
316#define CLK_MULT_DATA_PORT 0x9C
317
318#define ASSP_CONTROL_A 0xA2
319#define ASSP_0_WS_ENABLE 0x01
320#define ASSP_CTRL_A_RESERVED1 0x02
321#define ASSP_CTRL_A_RESERVED2 0x04
322#define ASSP_CLK_49MHZ_SELECT 0x08
323#define FAST_PLU_ENABLE 0x10
324#define ASSP_CTRL_A_RESERVED3 0x20
325#define DSP_CLK_36MHZ_SELECT 0x40
326
327#define ASSP_CONTROL_B 0xA4
328#define RESET_ASSP 0x00
329#define RUN_ASSP 0x01
330#define ENABLE_ASSP_CLOCK 0x00
331#define STOP_ASSP_CLOCK 0x10
332#define RESET_TOGGLE 0x40
333
334#define ASSP_CONTROL_C 0xA6
335#define ASSP_HOST_INT_ENABLE 0x01
336#define FM_ADDR_REMAP_DISABLE 0x02
337#define HOST_WRITE_PORT_ENABLE 0x08
338
339#define ASSP_HOST_INT_STATUS 0xAC
340#define DSP2HOST_REQ_PIORECORD 0x01
341#define DSP2HOST_REQ_I2SRATE 0x02
342#define DSP2HOST_REQ_TIMER 0x04
343
344/*
345 * ASSP control regs
346 */
347#define DSP_PORT_TIMER_COUNT 0x06
348
349#define DSP_PORT_MEMORY_INDEX 0x80
350
351#define DSP_PORT_MEMORY_TYPE 0x82
352#define MEMTYPE_INTERNAL_CODE 0x0002
353#define MEMTYPE_INTERNAL_DATA 0x0003
354#define MEMTYPE_MASK 0x0003
355
356#define DSP_PORT_MEMORY_DATA 0x84
357
358#define DSP_PORT_CONTROL_REG_A 0xA2
359#define DSP_PORT_CONTROL_REG_B 0xA4
360#define DSP_PORT_CONTROL_REG_C 0xA6
361
362#define REV_A_CODE_MEMORY_BEGIN 0x0000
363#define REV_A_CODE_MEMORY_END 0x0FFF
364#define REV_A_CODE_MEMORY_UNIT_LENGTH 0x0040
365#define REV_A_CODE_MEMORY_LENGTH (REV_A_CODE_MEMORY_END - REV_A_CODE_MEMORY_BEGIN + 1)
366
367#define REV_B_CODE_MEMORY_BEGIN 0x0000
368#define REV_B_CODE_MEMORY_END 0x0BFF
369#define REV_B_CODE_MEMORY_UNIT_LENGTH 0x0040
370#define REV_B_CODE_MEMORY_LENGTH (REV_B_CODE_MEMORY_END - REV_B_CODE_MEMORY_BEGIN + 1)
371
372#define REV_A_DATA_MEMORY_BEGIN 0x1000
373#define REV_A_DATA_MEMORY_END 0x2FFF
374#define REV_A_DATA_MEMORY_UNIT_LENGTH 0x0080
375#define REV_A_DATA_MEMORY_LENGTH (REV_A_DATA_MEMORY_END - REV_A_DATA_MEMORY_BEGIN + 1)
376
377#define REV_B_DATA_MEMORY_BEGIN 0x1000
378#define REV_B_DATA_MEMORY_END 0x2BFF
379#define REV_B_DATA_MEMORY_UNIT_LENGTH 0x0080
380#define REV_B_DATA_MEMORY_LENGTH (REV_B_DATA_MEMORY_END - REV_B_DATA_MEMORY_BEGIN + 1)
381
382
383#define NUM_UNITS_KERNEL_CODE 16
384#define NUM_UNITS_KERNEL_DATA 2
385
386#define NUM_UNITS_KERNEL_CODE_WITH_HSP 16
387#define NUM_UNITS_KERNEL_DATA_WITH_HSP 5
388
389/*
390 * Kernel data layout
391 */
392
393#define DP_SHIFT_COUNT 7
394
395#define KDATA_BASE_ADDR 0x1000
396#define KDATA_BASE_ADDR2 0x1080
397
398#define KDATA_TASK0 (KDATA_BASE_ADDR + 0x0000)
399#define KDATA_TASK1 (KDATA_BASE_ADDR + 0x0001)
400#define KDATA_TASK2 (KDATA_BASE_ADDR + 0x0002)
401#define KDATA_TASK3 (KDATA_BASE_ADDR + 0x0003)
402#define KDATA_TASK4 (KDATA_BASE_ADDR + 0x0004)
403#define KDATA_TASK5 (KDATA_BASE_ADDR + 0x0005)
404#define KDATA_TASK6 (KDATA_BASE_ADDR + 0x0006)
405#define KDATA_TASK7 (KDATA_BASE_ADDR + 0x0007)
406#define KDATA_TASK_ENDMARK (KDATA_BASE_ADDR + 0x0008)
407
408#define KDATA_CURRENT_TASK (KDATA_BASE_ADDR + 0x0009)
409#define KDATA_TASK_SWITCH (KDATA_BASE_ADDR + 0x000A)
410
411#define KDATA_INSTANCE0_POS3D (KDATA_BASE_ADDR + 0x000B)
412#define KDATA_INSTANCE1_POS3D (KDATA_BASE_ADDR + 0x000C)
413#define KDATA_INSTANCE2_POS3D (KDATA_BASE_ADDR + 0x000D)
414#define KDATA_INSTANCE3_POS3D (KDATA_BASE_ADDR + 0x000E)
415#define KDATA_INSTANCE4_POS3D (KDATA_BASE_ADDR + 0x000F)
416#define KDATA_INSTANCE5_POS3D (KDATA_BASE_ADDR + 0x0010)
417#define KDATA_INSTANCE6_POS3D (KDATA_BASE_ADDR + 0x0011)
418#define KDATA_INSTANCE7_POS3D (KDATA_BASE_ADDR + 0x0012)
419#define KDATA_INSTANCE8_POS3D (KDATA_BASE_ADDR + 0x0013)
420#define KDATA_INSTANCE_POS3D_ENDMARK (KDATA_BASE_ADDR + 0x0014)
421
422#define KDATA_INSTANCE0_SPKVIRT (KDATA_BASE_ADDR + 0x0015)
423#define KDATA_INSTANCE_SPKVIRT_ENDMARK (KDATA_BASE_ADDR + 0x0016)
424
425#define KDATA_INSTANCE0_SPDIF (KDATA_BASE_ADDR + 0x0017)
426#define KDATA_INSTANCE_SPDIF_ENDMARK (KDATA_BASE_ADDR + 0x0018)
427
428#define KDATA_INSTANCE0_MODEM (KDATA_BASE_ADDR + 0x0019)
429#define KDATA_INSTANCE_MODEM_ENDMARK (KDATA_BASE_ADDR + 0x001A)
430
431#define KDATA_INSTANCE0_SRC (KDATA_BASE_ADDR + 0x001B)
432#define KDATA_INSTANCE1_SRC (KDATA_BASE_ADDR + 0x001C)
433#define KDATA_INSTANCE_SRC_ENDMARK (KDATA_BASE_ADDR + 0x001D)
434
435#define KDATA_INSTANCE0_MINISRC (KDATA_BASE_ADDR + 0x001E)
436#define KDATA_INSTANCE1_MINISRC (KDATA_BASE_ADDR + 0x001F)
437#define KDATA_INSTANCE2_MINISRC (KDATA_BASE_ADDR + 0x0020)
438#define KDATA_INSTANCE3_MINISRC (KDATA_BASE_ADDR + 0x0021)
439#define KDATA_INSTANCE_MINISRC_ENDMARK (KDATA_BASE_ADDR + 0x0022)
440
441#define KDATA_INSTANCE0_CPYTHRU (KDATA_BASE_ADDR + 0x0023)
442#define KDATA_INSTANCE1_CPYTHRU (KDATA_BASE_ADDR + 0x0024)
443#define KDATA_INSTANCE_CPYTHRU_ENDMARK (KDATA_BASE_ADDR + 0x0025)
444
445#define KDATA_CURRENT_DMA (KDATA_BASE_ADDR + 0x0026)
446#define KDATA_DMA_SWITCH (KDATA_BASE_ADDR + 0x0027)
447#define KDATA_DMA_ACTIVE (KDATA_BASE_ADDR + 0x0028)
448
449#define KDATA_DMA_XFER0 (KDATA_BASE_ADDR + 0x0029)
450#define KDATA_DMA_XFER1 (KDATA_BASE_ADDR + 0x002A)
451#define KDATA_DMA_XFER2 (KDATA_BASE_ADDR + 0x002B)
452#define KDATA_DMA_XFER3 (KDATA_BASE_ADDR + 0x002C)
453#define KDATA_DMA_XFER4 (KDATA_BASE_ADDR + 0x002D)
454#define KDATA_DMA_XFER5 (KDATA_BASE_ADDR + 0x002E)
455#define KDATA_DMA_XFER6 (KDATA_BASE_ADDR + 0x002F)
456#define KDATA_DMA_XFER7 (KDATA_BASE_ADDR + 0x0030)
457#define KDATA_DMA_XFER8 (KDATA_BASE_ADDR + 0x0031)
458#define KDATA_DMA_XFER_ENDMARK (KDATA_BASE_ADDR + 0x0032)
459
460#define KDATA_I2S_SAMPLE_COUNT (KDATA_BASE_ADDR + 0x0033)
461#define KDATA_I2S_INT_METER (KDATA_BASE_ADDR + 0x0034)
462#define KDATA_I2S_ACTIVE (KDATA_BASE_ADDR + 0x0035)
463
464#define KDATA_TIMER_COUNT_RELOAD (KDATA_BASE_ADDR + 0x0036)
465#define KDATA_TIMER_COUNT_CURRENT (KDATA_BASE_ADDR + 0x0037)
466
467#define KDATA_HALT_SYNCH_CLIENT (KDATA_BASE_ADDR + 0x0038)
468#define KDATA_HALT_SYNCH_DMA (KDATA_BASE_ADDR + 0x0039)
469#define KDATA_HALT_ACKNOWLEDGE (KDATA_BASE_ADDR + 0x003A)
470
471#define KDATA_ADC1_XFER0 (KDATA_BASE_ADDR + 0x003B)
472#define KDATA_ADC1_XFER_ENDMARK (KDATA_BASE_ADDR + 0x003C)
473#define KDATA_ADC1_LEFT_VOLUME (KDATA_BASE_ADDR + 0x003D)
474#define KDATA_ADC1_RIGHT_VOLUME (KDATA_BASE_ADDR + 0x003E)
475#define KDATA_ADC1_LEFT_SUR_VOL (KDATA_BASE_ADDR + 0x003F)
476#define KDATA_ADC1_RIGHT_SUR_VOL (KDATA_BASE_ADDR + 0x0040)
477
478#define KDATA_ADC2_XFER0 (KDATA_BASE_ADDR + 0x0041)
479#define KDATA_ADC2_XFER_ENDMARK (KDATA_BASE_ADDR + 0x0042)
480#define KDATA_ADC2_LEFT_VOLUME (KDATA_BASE_ADDR + 0x0043)
481#define KDATA_ADC2_RIGHT_VOLUME (KDATA_BASE_ADDR + 0x0044)
482#define KDATA_ADC2_LEFT_SUR_VOL (KDATA_BASE_ADDR + 0x0045)
483#define KDATA_ADC2_RIGHT_SUR_VOL (KDATA_BASE_ADDR + 0x0046)
484
485#define KDATA_CD_XFER0 (KDATA_BASE_ADDR + 0x0047)
486#define KDATA_CD_XFER_ENDMARK (KDATA_BASE_ADDR + 0x0048)
487#define KDATA_CD_LEFT_VOLUME (KDATA_BASE_ADDR + 0x0049)
488#define KDATA_CD_RIGHT_VOLUME (KDATA_BASE_ADDR + 0x004A)
489#define KDATA_CD_LEFT_SUR_VOL (KDATA_BASE_ADDR + 0x004B)
490#define KDATA_CD_RIGHT_SUR_VOL (KDATA_BASE_ADDR + 0x004C)
491
492#define KDATA_MIC_XFER0 (KDATA_BASE_ADDR + 0x004D)
493#define KDATA_MIC_XFER_ENDMARK (KDATA_BASE_ADDR + 0x004E)
494#define KDATA_MIC_VOLUME (KDATA_BASE_ADDR + 0x004F)
495#define KDATA_MIC_SUR_VOL (KDATA_BASE_ADDR + 0x0050)
496
497#define KDATA_I2S_XFER0 (KDATA_BASE_ADDR + 0x0051)
498#define KDATA_I2S_XFER_ENDMARK (KDATA_BASE_ADDR + 0x0052)
499
500#define KDATA_CHI_XFER0 (KDATA_BASE_ADDR + 0x0053)
501#define KDATA_CHI_XFER_ENDMARK (KDATA_BASE_ADDR + 0x0054)
502
503#define KDATA_SPDIF_XFER (KDATA_BASE_ADDR + 0x0055)
504#define KDATA_SPDIF_CURRENT_FRAME (KDATA_BASE_ADDR + 0x0056)
505#define KDATA_SPDIF_FRAME0 (KDATA_BASE_ADDR + 0x0057)
506#define KDATA_SPDIF_FRAME1 (KDATA_BASE_ADDR + 0x0058)
507#define KDATA_SPDIF_FRAME2 (KDATA_BASE_ADDR + 0x0059)
508
509#define KDATA_SPDIF_REQUEST (KDATA_BASE_ADDR + 0x005A)
510#define KDATA_SPDIF_TEMP (KDATA_BASE_ADDR + 0x005B)
511
512#define KDATA_SPDIFIN_XFER0 (KDATA_BASE_ADDR + 0x005C)
513#define KDATA_SPDIFIN_XFER_ENDMARK (KDATA_BASE_ADDR + 0x005D)
514#define KDATA_SPDIFIN_INT_METER (KDATA_BASE_ADDR + 0x005E)
515
516#define KDATA_DSP_RESET_COUNT (KDATA_BASE_ADDR + 0x005F)
517#define KDATA_DEBUG_OUTPUT (KDATA_BASE_ADDR + 0x0060)
518
519#define KDATA_KERNEL_ISR_LIST (KDATA_BASE_ADDR + 0x0061)
520
521#define KDATA_KERNEL_ISR_CBSR1 (KDATA_BASE_ADDR + 0x0062)
522#define KDATA_KERNEL_ISR_CBER1 (KDATA_BASE_ADDR + 0x0063)
523#define KDATA_KERNEL_ISR_CBCR (KDATA_BASE_ADDR + 0x0064)
524#define KDATA_KERNEL_ISR_AR0 (KDATA_BASE_ADDR + 0x0065)
525#define KDATA_KERNEL_ISR_AR1 (KDATA_BASE_ADDR + 0x0066)
526#define KDATA_KERNEL_ISR_AR2 (KDATA_BASE_ADDR + 0x0067)
527#define KDATA_KERNEL_ISR_AR3 (KDATA_BASE_ADDR + 0x0068)
528#define KDATA_KERNEL_ISR_AR4 (KDATA_BASE_ADDR + 0x0069)
529#define KDATA_KERNEL_ISR_AR5 (KDATA_BASE_ADDR + 0x006A)
530#define KDATA_KERNEL_ISR_BRCR (KDATA_BASE_ADDR + 0x006B)
531#define KDATA_KERNEL_ISR_PASR (KDATA_BASE_ADDR + 0x006C)
532#define KDATA_KERNEL_ISR_PAER (KDATA_BASE_ADDR + 0x006D)
533
534#define KDATA_CLIENT_SCRATCH0 (KDATA_BASE_ADDR + 0x006E)
535#define KDATA_CLIENT_SCRATCH1 (KDATA_BASE_ADDR + 0x006F)
536#define KDATA_KERNEL_SCRATCH (KDATA_BASE_ADDR + 0x0070)
537#define KDATA_KERNEL_ISR_SCRATCH (KDATA_BASE_ADDR + 0x0071)
538
539#define KDATA_OUEUE_LEFT (KDATA_BASE_ADDR + 0x0072)
540#define KDATA_QUEUE_RIGHT (KDATA_BASE_ADDR + 0x0073)
541
542#define KDATA_ADC1_REQUEST (KDATA_BASE_ADDR + 0x0074)
543#define KDATA_ADC2_REQUEST (KDATA_BASE_ADDR + 0x0075)
544#define KDATA_CD_REQUEST (KDATA_BASE_ADDR + 0x0076)
545#define KDATA_MIC_REQUEST (KDATA_BASE_ADDR + 0x0077)
546
547#define KDATA_ADC1_MIXER_REQUEST (KDATA_BASE_ADDR + 0x0078)
548#define KDATA_ADC2_MIXER_REQUEST (KDATA_BASE_ADDR + 0x0079)
549#define KDATA_CD_MIXER_REQUEST (KDATA_BASE_ADDR + 0x007A)
550#define KDATA_MIC_MIXER_REQUEST (KDATA_BASE_ADDR + 0x007B)
551#define KDATA_MIC_SYNC_COUNTER (KDATA_BASE_ADDR + 0x007C)
552
553/*
554 * second 'segment' (?) reserved for mixer
555 * buffers..
556 */
557
558#define KDATA_MIXER_WORD0 (KDATA_BASE_ADDR2 + 0x0000)
559#define KDATA_MIXER_WORD1 (KDATA_BASE_ADDR2 + 0x0001)
560#define KDATA_MIXER_WORD2 (KDATA_BASE_ADDR2 + 0x0002)
561#define KDATA_MIXER_WORD3 (KDATA_BASE_ADDR2 + 0x0003)
562#define KDATA_MIXER_WORD4 (KDATA_BASE_ADDR2 + 0x0004)
563#define KDATA_MIXER_WORD5 (KDATA_BASE_ADDR2 + 0x0005)
564#define KDATA_MIXER_WORD6 (KDATA_BASE_ADDR2 + 0x0006)
565#define KDATA_MIXER_WORD7 (KDATA_BASE_ADDR2 + 0x0007)
566#define KDATA_MIXER_WORD8 (KDATA_BASE_ADDR2 + 0x0008)
567#define KDATA_MIXER_WORD9 (KDATA_BASE_ADDR2 + 0x0009)
568#define KDATA_MIXER_WORDA (KDATA_BASE_ADDR2 + 0x000A)
569#define KDATA_MIXER_WORDB (KDATA_BASE_ADDR2 + 0x000B)
570#define KDATA_MIXER_WORDC (KDATA_BASE_ADDR2 + 0x000C)
571#define KDATA_MIXER_WORDD (KDATA_BASE_ADDR2 + 0x000D)
572#define KDATA_MIXER_WORDE (KDATA_BASE_ADDR2 + 0x000E)
573#define KDATA_MIXER_WORDF (KDATA_BASE_ADDR2 + 0x000F)
574
575#define KDATA_MIXER_XFER0 (KDATA_BASE_ADDR2 + 0x0010)
576#define KDATA_MIXER_XFER1 (KDATA_BASE_ADDR2 + 0x0011)
577#define KDATA_MIXER_XFER2 (KDATA_BASE_ADDR2 + 0x0012)
578#define KDATA_MIXER_XFER3 (KDATA_BASE_ADDR2 + 0x0013)
579#define KDATA_MIXER_XFER4 (KDATA_BASE_ADDR2 + 0x0014)
580#define KDATA_MIXER_XFER5 (KDATA_BASE_ADDR2 + 0x0015)
581#define KDATA_MIXER_XFER6 (KDATA_BASE_ADDR2 + 0x0016)
582#define KDATA_MIXER_XFER7 (KDATA_BASE_ADDR2 + 0x0017)
583#define KDATA_MIXER_XFER8 (KDATA_BASE_ADDR2 + 0x0018)
584#define KDATA_MIXER_XFER9 (KDATA_BASE_ADDR2 + 0x0019)
585#define KDATA_MIXER_XFER_ENDMARK (KDATA_BASE_ADDR2 + 0x001A)
586
587#define KDATA_MIXER_TASK_NUMBER (KDATA_BASE_ADDR2 + 0x001B)
588#define KDATA_CURRENT_MIXER (KDATA_BASE_ADDR2 + 0x001C)
589#define KDATA_MIXER_ACTIVE (KDATA_BASE_ADDR2 + 0x001D)
590#define KDATA_MIXER_BANK_STATUS (KDATA_BASE_ADDR2 + 0x001E)
591#define KDATA_DAC_LEFT_VOLUME (KDATA_BASE_ADDR2 + 0x001F)
592#define KDATA_DAC_RIGHT_VOLUME (KDATA_BASE_ADDR2 + 0x0020)
593
594#define MAX_INSTANCE_MINISRC (KDATA_INSTANCE_MINISRC_ENDMARK - KDATA_INSTANCE0_MINISRC)
595#define MAX_VIRTUAL_DMA_CHANNELS (KDATA_DMA_XFER_ENDMARK - KDATA_DMA_XFER0)
596#define MAX_VIRTUAL_MIXER_CHANNELS (KDATA_MIXER_XFER_ENDMARK - KDATA_MIXER_XFER0)
597#define MAX_VIRTUAL_ADC1_CHANNELS (KDATA_ADC1_XFER_ENDMARK - KDATA_ADC1_XFER0)
598
599/*
600 * client data area offsets
601 */
602#define CDATA_INSTANCE_READY 0x00
603
604#define CDATA_HOST_SRC_ADDRL 0x01
605#define CDATA_HOST_SRC_ADDRH 0x02
606#define CDATA_HOST_SRC_END_PLUS_1L 0x03
607#define CDATA_HOST_SRC_END_PLUS_1H 0x04
608#define CDATA_HOST_SRC_CURRENTL 0x05
609#define CDATA_HOST_SRC_CURRENTH 0x06
610
611#define CDATA_IN_BUF_CONNECT 0x07
612#define CDATA_OUT_BUF_CONNECT 0x08
613
614#define CDATA_IN_BUF_BEGIN 0x09
615#define CDATA_IN_BUF_END_PLUS_1 0x0A
616#define CDATA_IN_BUF_HEAD 0x0B
617#define CDATA_IN_BUF_TAIL 0x0C
618#define CDATA_OUT_BUF_BEGIN 0x0D
619#define CDATA_OUT_BUF_END_PLUS_1 0x0E
620#define CDATA_OUT_BUF_HEAD 0x0F
621#define CDATA_OUT_BUF_TAIL 0x10
622
623#define CDATA_DMA_CONTROL 0x11
624#define CDATA_RESERVED 0x12
625
626#define CDATA_FREQUENCY 0x13
627#define CDATA_LEFT_VOLUME 0x14
628#define CDATA_RIGHT_VOLUME 0x15
629#define CDATA_LEFT_SUR_VOL 0x16
630#define CDATA_RIGHT_SUR_VOL 0x17
631
632#define CDATA_HEADER_LEN 0x18
633
634#define SRC3_DIRECTION_OFFSET CDATA_HEADER_LEN
635#define SRC3_MODE_OFFSET (CDATA_HEADER_LEN + 1)
636#define SRC3_WORD_LENGTH_OFFSET (CDATA_HEADER_LEN + 2)
637#define SRC3_PARAMETER_OFFSET (CDATA_HEADER_LEN + 3)
638#define SRC3_COEFF_ADDR_OFFSET (CDATA_HEADER_LEN + 8)
639#define SRC3_FILTAP_ADDR_OFFSET (CDATA_HEADER_LEN + 10)
640#define SRC3_TEMP_INBUF_ADDR_OFFSET (CDATA_HEADER_LEN + 16)
641#define SRC3_TEMP_OUTBUF_ADDR_OFFSET (CDATA_HEADER_LEN + 17)
642
643#define MINISRC_IN_BUFFER_SIZE ( 0x50 * 2 )
644#define MINISRC_OUT_BUFFER_SIZE ( 0x50 * 2 * 2)
645#define MINISRC_TMP_BUFFER_SIZE ( 112 + ( MINISRC_BIQUAD_STAGE * 3 + 4 ) * 2 * 2 )
646#define MINISRC_BIQUAD_STAGE 2
647#define MINISRC_COEF_LOC 0x175
648
649#define DMACONTROL_BLOCK_MASK 0x000F
650#define DMAC_BLOCK0_SELECTOR 0x0000
651#define DMAC_BLOCK1_SELECTOR 0x0001
652#define DMAC_BLOCK2_SELECTOR 0x0002
653#define DMAC_BLOCK3_SELECTOR 0x0003
654#define DMAC_BLOCK4_SELECTOR 0x0004
655#define DMAC_BLOCK5_SELECTOR 0x0005
656#define DMAC_BLOCK6_SELECTOR 0x0006
657#define DMAC_BLOCK7_SELECTOR 0x0007
658#define DMAC_BLOCK8_SELECTOR 0x0008
659#define DMAC_BLOCK9_SELECTOR 0x0009
660#define DMAC_BLOCKA_SELECTOR 0x000A
661#define DMAC_BLOCKB_SELECTOR 0x000B
662#define DMAC_BLOCKC_SELECTOR 0x000C
663#define DMAC_BLOCKD_SELECTOR 0x000D
664#define DMAC_BLOCKE_SELECTOR 0x000E
665#define DMAC_BLOCKF_SELECTOR 0x000F
666#define DMACONTROL_PAGE_MASK 0x00F0
667#define DMAC_PAGE0_SELECTOR 0x0030
668#define DMAC_PAGE1_SELECTOR 0x0020
669#define DMAC_PAGE2_SELECTOR 0x0010
670#define DMAC_PAGE3_SELECTOR 0x0000
671#define DMACONTROL_AUTOREPEAT 0x1000
672#define DMACONTROL_STOPPED 0x2000
673#define DMACONTROL_DIRECTION 0x0100
674
675/*
676 * an arbitrary volume we set the internal
677 * volume settings to so that the ac97 volume
678 * range is a little less insane. 0x7fff is
679 * max.
680 */
681#define ARB_VOLUME ( 0x6800 )
682
683/*
684 */
685
686struct m3_list {
687 int curlen;
688 int mem_addr;
689 int max;
690};
691
692struct m3_dma {
693
694 int number;
695 struct snd_pcm_substream *substream;
696
697 struct assp_instance {
698 unsigned short code, data;
699 } inst;
700
701 int running;
702 int opened;
703
704 unsigned long buffer_addr;
705 int dma_size;
706 int period_size;
707 unsigned int hwptr;
708 int count;
709
710 int index[3];
711 struct m3_list *index_list[3];
712
713 int in_lists;
714
715 struct list_head list;
716
717};
718
719struct snd_m3 {
720
721 struct snd_card *card;
722
723 unsigned long iobase;
724
725 int irq;
726 unsigned int allegro_flag : 1;
727
728 struct snd_ac97 *ac97;
729
730 struct snd_pcm *pcm;
731
732 struct pci_dev *pci;
733
734 int dacs_active;
735 int timer_users;
736
737 struct m3_list msrc_list;
738 struct m3_list mixer_list;
739 struct m3_list adc1_list;
740 struct m3_list dma_list;
741
742 /* for storing reset state..*/
743 u8 reset_state;
744
745 int external_amp;
746 int amp_gpio; /* gpio pin # for external amp, -1 = default */
747 unsigned int hv_config; /* hardware-volume config bits */
748 unsigned irda_workaround :1; /* avoid to touch 0x10 on GPIO_DIRECTION
749 (e.g. for IrDA on Dell Inspirons) */
750 unsigned is_omnibook :1; /* Do HP OmniBook GPIO magic? */
751
752 /* midi */
753 struct snd_rawmidi *rmidi;
754
755 /* pcm streams */
756 int num_substreams;
757 struct m3_dma *substreams;
758
759 spinlock_t reg_lock;
760
761#ifdef CONFIG_SND_MAESTRO3_INPUT
762 struct input_dev *input_dev;
763 char phys[64]; /* physical device path */
764#else
765 struct snd_kcontrol *master_switch;
766 struct snd_kcontrol *master_volume;
767#endif
768 struct work_struct hwvol_work;
769
770 unsigned int in_suspend;
771
772 u16 *suspend_mem;
773
774 const struct firmware *assp_kernel_image;
775 const struct firmware *assp_minisrc_image;
776};
777
778/*
779 * pci ids
780 */
781static const struct pci_device_id snd_m3_ids[] = {
782 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ALLEGRO_1, PCI_ANY_ID, PCI_ANY_ID,
783 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
784 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ALLEGRO, PCI_ANY_ID, PCI_ANY_ID,
785 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
786 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_CANYON3D_2LE, PCI_ANY_ID, PCI_ANY_ID,
787 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
788 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_CANYON3D_2, PCI_ANY_ID, PCI_ANY_ID,
789 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
790 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3, PCI_ANY_ID, PCI_ANY_ID,
791 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
792 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_1, PCI_ANY_ID, PCI_ANY_ID,
793 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
794 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_HW, PCI_ANY_ID, PCI_ANY_ID,
795 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
796 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_2, PCI_ANY_ID, PCI_ANY_ID,
797 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
798 {0,},
799};
800
801MODULE_DEVICE_TABLE(pci, snd_m3_ids);
802
803static const struct snd_pci_quirk m3_amp_quirk_list[] = {
804 SND_PCI_QUIRK(0x0E11, 0x0094, "Compaq Evo N600c", 0x0c),
805 SND_PCI_QUIRK(0x10f7, 0x833e, "Panasonic CF-28", 0x0d),
806 SND_PCI_QUIRK(0x10f7, 0x833d, "Panasonic CF-72", 0x0d),
807 SND_PCI_QUIRK(0x1033, 0x80f1, "NEC LM800J/7", 0x03),
808 SND_PCI_QUIRK(0x1509, 0x1740, "LEGEND ZhaoYang 3100CF", 0x03),
809 { } /* END */
810};
811
812static const struct snd_pci_quirk m3_irda_quirk_list[] = {
813 SND_PCI_QUIRK(0x1028, 0x00b0, "Dell Inspiron 4000", 1),
814 SND_PCI_QUIRK(0x1028, 0x00a4, "Dell Inspiron 8000", 1),
815 SND_PCI_QUIRK(0x1028, 0x00e6, "Dell Inspiron 8100", 1),
816 { } /* END */
817};
818
819/* hardware volume quirks */
820static const struct snd_pci_quirk m3_hv_quirk_list[] = {
821 /* Allegro chips */
822 SND_PCI_QUIRK(0x0E11, 0x002E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
823 SND_PCI_QUIRK(0x0E11, 0x0094, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
824 SND_PCI_QUIRK(0x0E11, 0xB112, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
825 SND_PCI_QUIRK(0x0E11, 0xB114, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
826 SND_PCI_QUIRK(0x103C, 0x0012, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
827 SND_PCI_QUIRK(0x103C, 0x0018, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
828 SND_PCI_QUIRK(0x103C, 0x001C, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
829 SND_PCI_QUIRK(0x103C, 0x001D, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
830 SND_PCI_QUIRK(0x103C, 0x001E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
831 SND_PCI_QUIRK(0x107B, 0x3350, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
832 SND_PCI_QUIRK(0x10F7, 0x8338, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
833 SND_PCI_QUIRK(0x10F7, 0x833C, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
834 SND_PCI_QUIRK(0x10F7, 0x833D, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
835 SND_PCI_QUIRK(0x10F7, 0x833E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
836 SND_PCI_QUIRK(0x10F7, 0x833F, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
837 SND_PCI_QUIRK(0x13BD, 0x1018, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
838 SND_PCI_QUIRK(0x13BD, 0x1019, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
839 SND_PCI_QUIRK(0x13BD, 0x101A, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
840 SND_PCI_QUIRK(0x14FF, 0x0F03, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
841 SND_PCI_QUIRK(0x14FF, 0x0F04, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
842 SND_PCI_QUIRK(0x14FF, 0x0F05, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
843 SND_PCI_QUIRK(0x156D, 0xB400, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
844 SND_PCI_QUIRK(0x156D, 0xB795, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
845 SND_PCI_QUIRK(0x156D, 0xB797, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
846 SND_PCI_QUIRK(0x156D, 0xC700, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
847 SND_PCI_QUIRK(0x1033, 0x80F1, NULL,
848 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
849 SND_PCI_QUIRK(0x103C, 0x001A, NULL, /* HP OmniBook 6100 */
850 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
851 SND_PCI_QUIRK(0x107B, 0x340A, NULL,
852 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
853 SND_PCI_QUIRK(0x107B, 0x3450, NULL,
854 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
855 SND_PCI_QUIRK(0x109F, 0x3134, NULL,
856 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
857 SND_PCI_QUIRK(0x109F, 0x3161, NULL,
858 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
859 SND_PCI_QUIRK(0x144D, 0x3280, NULL,
860 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
861 SND_PCI_QUIRK(0x144D, 0x3281, NULL,
862 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
863 SND_PCI_QUIRK(0x144D, 0xC002, NULL,
864 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
865 SND_PCI_QUIRK(0x144D, 0xC003, NULL,
866 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
867 SND_PCI_QUIRK(0x1509, 0x1740, NULL,
868 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
869 SND_PCI_QUIRK(0x1610, 0x0010, NULL,
870 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
871 SND_PCI_QUIRK(0x1042, 0x1042, NULL, HV_CTRL_ENABLE),
872 SND_PCI_QUIRK(0x107B, 0x9500, NULL, HV_CTRL_ENABLE),
873 SND_PCI_QUIRK(0x14FF, 0x0F06, NULL, HV_CTRL_ENABLE),
874 SND_PCI_QUIRK(0x1558, 0x8586, NULL, HV_CTRL_ENABLE),
875 SND_PCI_QUIRK(0x161F, 0x2011, NULL, HV_CTRL_ENABLE),
876 /* Maestro3 chips */
877 SND_PCI_QUIRK(0x103C, 0x000E, NULL, HV_CTRL_ENABLE),
878 SND_PCI_QUIRK(0x103C, 0x0010, NULL, HV_CTRL_ENABLE),
879 SND_PCI_QUIRK(0x103C, 0x0011, NULL, HV_CTRL_ENABLE),
880 SND_PCI_QUIRK(0x103C, 0x001B, NULL, HV_CTRL_ENABLE),
881 SND_PCI_QUIRK(0x104D, 0x80A6, NULL, HV_CTRL_ENABLE),
882 SND_PCI_QUIRK(0x104D, 0x80AA, NULL, HV_CTRL_ENABLE),
883 SND_PCI_QUIRK(0x107B, 0x5300, NULL, HV_CTRL_ENABLE),
884 SND_PCI_QUIRK(0x110A, 0x1998, NULL, HV_CTRL_ENABLE),
885 SND_PCI_QUIRK(0x13BD, 0x1015, NULL, HV_CTRL_ENABLE),
886 SND_PCI_QUIRK(0x13BD, 0x101C, NULL, HV_CTRL_ENABLE),
887 SND_PCI_QUIRK(0x13BD, 0x1802, NULL, HV_CTRL_ENABLE),
888 SND_PCI_QUIRK(0x1599, 0x0715, NULL, HV_CTRL_ENABLE),
889 SND_PCI_QUIRK(0x5643, 0x5643, NULL, HV_CTRL_ENABLE),
890 SND_PCI_QUIRK(0x144D, 0x3260, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
891 SND_PCI_QUIRK(0x144D, 0x3261, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
892 SND_PCI_QUIRK(0x144D, 0xC000, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
893 SND_PCI_QUIRK(0x144D, 0xC001, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
894 { } /* END */
895};
896
897/* HP Omnibook quirks */
898static const struct snd_pci_quirk m3_omnibook_quirk_list[] = {
899 SND_PCI_QUIRK_ID(0x103c, 0x0010), /* HP OmniBook 6000 */
900 SND_PCI_QUIRK_ID(0x103c, 0x0011), /* HP OmniBook 500 */
901 { } /* END */
902};
903
904/*
905 * lowlevel functions
906 */
907
908static inline void snd_m3_outw(struct snd_m3 *chip, u16 value, unsigned long reg)
909{
910 outw(value, chip->iobase + reg);
911}
912
913static inline u16 snd_m3_inw(struct snd_m3 *chip, unsigned long reg)
914{
915 return inw(chip->iobase + reg);
916}
917
918static inline void snd_m3_outb(struct snd_m3 *chip, u8 value, unsigned long reg)
919{
920 outb(value, chip->iobase + reg);
921}
922
923static inline u8 snd_m3_inb(struct snd_m3 *chip, unsigned long reg)
924{
925 return inb(chip->iobase + reg);
926}
927
928/*
929 * access 16bit words to the code or data regions of the dsp's memory.
930 * index addresses 16bit words.
931 */
932static u16 snd_m3_assp_read(struct snd_m3 *chip, u16 region, u16 index)
933{
934 snd_m3_outw(chip, region & MEMTYPE_MASK, DSP_PORT_MEMORY_TYPE);
935 snd_m3_outw(chip, index, DSP_PORT_MEMORY_INDEX);
936 return snd_m3_inw(chip, DSP_PORT_MEMORY_DATA);
937}
938
939static void snd_m3_assp_write(struct snd_m3 *chip, u16 region, u16 index, u16 data)
940{
941 snd_m3_outw(chip, region & MEMTYPE_MASK, DSP_PORT_MEMORY_TYPE);
942 snd_m3_outw(chip, index, DSP_PORT_MEMORY_INDEX);
943 snd_m3_outw(chip, data, DSP_PORT_MEMORY_DATA);
944}
945
946static void snd_m3_assp_halt(struct snd_m3 *chip)
947{
948 chip->reset_state = snd_m3_inb(chip, DSP_PORT_CONTROL_REG_B) & ~REGB_STOP_CLOCK;
949 msleep(10);
950 snd_m3_outb(chip, chip->reset_state & ~REGB_ENABLE_RESET, DSP_PORT_CONTROL_REG_B);
951}
952
953static void snd_m3_assp_continue(struct snd_m3 *chip)
954{
955 snd_m3_outb(chip, chip->reset_state | REGB_ENABLE_RESET, DSP_PORT_CONTROL_REG_B);
956}
957
958
959/*
960 * This makes me sad. the maestro3 has lists
961 * internally that must be packed.. 0 terminates,
962 * apparently, or maybe all unused entries have
963 * to be 0, the lists have static lengths set
964 * by the binary code images.
965 */
966
967static int snd_m3_add_list(struct snd_m3 *chip, struct m3_list *list, u16 val)
968{
969 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
970 list->mem_addr + list->curlen,
971 val);
972 return list->curlen++;
973}
974
975static void snd_m3_remove_list(struct snd_m3 *chip, struct m3_list *list, int index)
976{
977 u16 val;
978 int lastindex = list->curlen - 1;
979
980 if (index != lastindex) {
981 val = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
982 list->mem_addr + lastindex);
983 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
984 list->mem_addr + index,
985 val);
986 }
987
988 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
989 list->mem_addr + lastindex,
990 0);
991
992 list->curlen--;
993}
994
995static void snd_m3_inc_timer_users(struct snd_m3 *chip)
996{
997 chip->timer_users++;
998 if (chip->timer_users != 1)
999 return;
1000
1001 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1002 KDATA_TIMER_COUNT_RELOAD,
1003 240);
1004
1005 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1006 KDATA_TIMER_COUNT_CURRENT,
1007 240);
1008
1009 snd_m3_outw(chip,
1010 snd_m3_inw(chip, HOST_INT_CTRL) | CLKRUN_GEN_ENABLE,
1011 HOST_INT_CTRL);
1012}
1013
1014static void snd_m3_dec_timer_users(struct snd_m3 *chip)
1015{
1016 chip->timer_users--;
1017 if (chip->timer_users > 0)
1018 return;
1019
1020 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1021 KDATA_TIMER_COUNT_RELOAD,
1022 0);
1023
1024 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1025 KDATA_TIMER_COUNT_CURRENT,
1026 0);
1027
1028 snd_m3_outw(chip,
1029 snd_m3_inw(chip, HOST_INT_CTRL) & ~CLKRUN_GEN_ENABLE,
1030 HOST_INT_CTRL);
1031}
1032
1033/*
1034 * start/stop
1035 */
1036
1037/* spinlock held! */
1038static int snd_m3_pcm_start(struct snd_m3 *chip, struct m3_dma *s,
1039 struct snd_pcm_substream *subs)
1040{
1041 if (! s || ! subs)
1042 return -EINVAL;
1043
1044 snd_m3_inc_timer_users(chip);
1045 switch (subs->stream) {
1046 case SNDRV_PCM_STREAM_PLAYBACK:
1047 chip->dacs_active++;
1048 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1049 s->inst.data + CDATA_INSTANCE_READY, 1);
1050 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1051 KDATA_MIXER_TASK_NUMBER,
1052 chip->dacs_active);
1053 break;
1054 case SNDRV_PCM_STREAM_CAPTURE:
1055 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1056 KDATA_ADC1_REQUEST, 1);
1057 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1058 s->inst.data + CDATA_INSTANCE_READY, 1);
1059 break;
1060 }
1061 return 0;
1062}
1063
1064/* spinlock held! */
1065static int snd_m3_pcm_stop(struct snd_m3 *chip, struct m3_dma *s,
1066 struct snd_pcm_substream *subs)
1067{
1068 if (! s || ! subs)
1069 return -EINVAL;
1070
1071 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1072 s->inst.data + CDATA_INSTANCE_READY, 0);
1073 snd_m3_dec_timer_users(chip);
1074 switch (subs->stream) {
1075 case SNDRV_PCM_STREAM_PLAYBACK:
1076 chip->dacs_active--;
1077 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1078 KDATA_MIXER_TASK_NUMBER,
1079 chip->dacs_active);
1080 break;
1081 case SNDRV_PCM_STREAM_CAPTURE:
1082 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1083 KDATA_ADC1_REQUEST, 0);
1084 break;
1085 }
1086 return 0;
1087}
1088
1089static int
1090snd_m3_pcm_trigger(struct snd_pcm_substream *subs, int cmd)
1091{
1092 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1093 struct m3_dma *s = subs->runtime->private_data;
1094 int err = -EINVAL;
1095
1096 if (snd_BUG_ON(!s))
1097 return -ENXIO;
1098
1099 spin_lock(&chip->reg_lock);
1100 switch (cmd) {
1101 case SNDRV_PCM_TRIGGER_START:
1102 case SNDRV_PCM_TRIGGER_RESUME:
1103 if (s->running)
1104 err = -EBUSY;
1105 else {
1106 s->running = 1;
1107 err = snd_m3_pcm_start(chip, s, subs);
1108 }
1109 break;
1110 case SNDRV_PCM_TRIGGER_STOP:
1111 case SNDRV_PCM_TRIGGER_SUSPEND:
1112 if (! s->running)
1113 err = 0; /* should return error? */
1114 else {
1115 s->running = 0;
1116 err = snd_m3_pcm_stop(chip, s, subs);
1117 }
1118 break;
1119 }
1120 spin_unlock(&chip->reg_lock);
1121 return err;
1122}
1123
1124/*
1125 * setup
1126 */
1127static void
1128snd_m3_pcm_setup1(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1129{
1130 int dsp_in_size, dsp_out_size, dsp_in_buffer, dsp_out_buffer;
1131 struct snd_pcm_runtime *runtime = subs->runtime;
1132
1133 if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1134 dsp_in_size = MINISRC_IN_BUFFER_SIZE - (0x20 * 2);
1135 dsp_out_size = MINISRC_OUT_BUFFER_SIZE - (0x20 * 2);
1136 } else {
1137 dsp_in_size = MINISRC_IN_BUFFER_SIZE - (0x10 * 2);
1138 dsp_out_size = MINISRC_OUT_BUFFER_SIZE - (0x10 * 2);
1139 }
1140 dsp_in_buffer = s->inst.data + (MINISRC_TMP_BUFFER_SIZE / 2);
1141 dsp_out_buffer = dsp_in_buffer + (dsp_in_size / 2) + 1;
1142
1143 s->dma_size = frames_to_bytes(runtime, runtime->buffer_size);
1144 s->period_size = frames_to_bytes(runtime, runtime->period_size);
1145 s->hwptr = 0;
1146 s->count = 0;
1147
1148#define LO(x) ((x) & 0xffff)
1149#define HI(x) LO((x) >> 16)
1150
1151 /* host dma buffer pointers */
1152 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1153 s->inst.data + CDATA_HOST_SRC_ADDRL,
1154 LO(s->buffer_addr));
1155
1156 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1157 s->inst.data + CDATA_HOST_SRC_ADDRH,
1158 HI(s->buffer_addr));
1159
1160 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1161 s->inst.data + CDATA_HOST_SRC_END_PLUS_1L,
1162 LO(s->buffer_addr + s->dma_size));
1163
1164 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1165 s->inst.data + CDATA_HOST_SRC_END_PLUS_1H,
1166 HI(s->buffer_addr + s->dma_size));
1167
1168 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1169 s->inst.data + CDATA_HOST_SRC_CURRENTL,
1170 LO(s->buffer_addr));
1171
1172 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1173 s->inst.data + CDATA_HOST_SRC_CURRENTH,
1174 HI(s->buffer_addr));
1175#undef LO
1176#undef HI
1177
1178 /* dsp buffers */
1179
1180 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1181 s->inst.data + CDATA_IN_BUF_BEGIN,
1182 dsp_in_buffer);
1183
1184 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1185 s->inst.data + CDATA_IN_BUF_END_PLUS_1,
1186 dsp_in_buffer + (dsp_in_size / 2));
1187
1188 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1189 s->inst.data + CDATA_IN_BUF_HEAD,
1190 dsp_in_buffer);
1191
1192 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1193 s->inst.data + CDATA_IN_BUF_TAIL,
1194 dsp_in_buffer);
1195
1196 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1197 s->inst.data + CDATA_OUT_BUF_BEGIN,
1198 dsp_out_buffer);
1199
1200 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1201 s->inst.data + CDATA_OUT_BUF_END_PLUS_1,
1202 dsp_out_buffer + (dsp_out_size / 2));
1203
1204 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1205 s->inst.data + CDATA_OUT_BUF_HEAD,
1206 dsp_out_buffer);
1207
1208 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1209 s->inst.data + CDATA_OUT_BUF_TAIL,
1210 dsp_out_buffer);
1211}
1212
1213static void snd_m3_pcm_setup2(struct snd_m3 *chip, struct m3_dma *s,
1214 struct snd_pcm_runtime *runtime)
1215{
1216 u32 freq;
1217
1218 /*
1219 * put us in the lists if we're not already there
1220 */
1221 if (! s->in_lists) {
1222 s->index[0] = snd_m3_add_list(chip, s->index_list[0],
1223 s->inst.data >> DP_SHIFT_COUNT);
1224 s->index[1] = snd_m3_add_list(chip, s->index_list[1],
1225 s->inst.data >> DP_SHIFT_COUNT);
1226 s->index[2] = snd_m3_add_list(chip, s->index_list[2],
1227 s->inst.data >> DP_SHIFT_COUNT);
1228 s->in_lists = 1;
1229 }
1230
1231 /* write to 'mono' word */
1232 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1233 s->inst.data + SRC3_DIRECTION_OFFSET + 1,
1234 runtime->channels == 2 ? 0 : 1);
1235 /* write to '8bit' word */
1236 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1237 s->inst.data + SRC3_DIRECTION_OFFSET + 2,
1238 snd_pcm_format_width(runtime->format) == 16 ? 0 : 1);
1239
1240 /* set up dac/adc rate */
1241 freq = DIV_ROUND_CLOSEST(runtime->rate << 15, 48000);
1242 if (freq)
1243 freq--;
1244
1245 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1246 s->inst.data + CDATA_FREQUENCY,
1247 freq);
1248}
1249
1250
1251static const struct play_vals {
1252 u16 addr, val;
1253} pv[] = {
1254 {CDATA_LEFT_VOLUME, ARB_VOLUME},
1255 {CDATA_RIGHT_VOLUME, ARB_VOLUME},
1256 {SRC3_DIRECTION_OFFSET, 0} ,
1257 /* +1, +2 are stereo/16 bit */
1258 {SRC3_DIRECTION_OFFSET + 3, 0x0000}, /* fraction? */
1259 {SRC3_DIRECTION_OFFSET + 4, 0}, /* first l */
1260 {SRC3_DIRECTION_OFFSET + 5, 0}, /* first r */
1261 {SRC3_DIRECTION_OFFSET + 6, 0}, /* second l */
1262 {SRC3_DIRECTION_OFFSET + 7, 0}, /* second r */
1263 {SRC3_DIRECTION_OFFSET + 8, 0}, /* delta l */
1264 {SRC3_DIRECTION_OFFSET + 9, 0}, /* delta r */
1265 {SRC3_DIRECTION_OFFSET + 10, 0x8000}, /* round */
1266 {SRC3_DIRECTION_OFFSET + 11, 0xFF00}, /* higher bute mark */
1267 {SRC3_DIRECTION_OFFSET + 13, 0}, /* temp0 */
1268 {SRC3_DIRECTION_OFFSET + 14, 0}, /* c fraction */
1269 {SRC3_DIRECTION_OFFSET + 15, 0}, /* counter */
1270 {SRC3_DIRECTION_OFFSET + 16, 8}, /* numin */
1271 {SRC3_DIRECTION_OFFSET + 17, 50*2}, /* numout */
1272 {SRC3_DIRECTION_OFFSET + 18, MINISRC_BIQUAD_STAGE - 1}, /* numstage */
1273 {SRC3_DIRECTION_OFFSET + 20, 0}, /* filtertap */
1274 {SRC3_DIRECTION_OFFSET + 21, 0} /* booster */
1275};
1276
1277
1278/* the mode passed should be already shifted and masked */
1279static void
1280snd_m3_playback_setup(struct snd_m3 *chip, struct m3_dma *s,
1281 struct snd_pcm_substream *subs)
1282{
1283 unsigned int i;
1284
1285 /*
1286 * some per client initializers
1287 */
1288
1289 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1290 s->inst.data + SRC3_DIRECTION_OFFSET + 12,
1291 s->inst.data + 40 + 8);
1292
1293 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1294 s->inst.data + SRC3_DIRECTION_OFFSET + 19,
1295 s->inst.code + MINISRC_COEF_LOC);
1296
1297 /* enable or disable low pass filter? */
1298 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1299 s->inst.data + SRC3_DIRECTION_OFFSET + 22,
1300 subs->runtime->rate > 45000 ? 0xff : 0);
1301
1302 /* tell it which way dma is going? */
1303 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1304 s->inst.data + CDATA_DMA_CONTROL,
1305 DMACONTROL_AUTOREPEAT + DMAC_PAGE3_SELECTOR + DMAC_BLOCKF_SELECTOR);
1306
1307 /*
1308 * set an armload of static initializers
1309 */
1310 for (i = 0; i < ARRAY_SIZE(pv); i++)
1311 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1312 s->inst.data + pv[i].addr, pv[i].val);
1313}
1314
1315/*
1316 * Native record driver
1317 */
1318static const struct rec_vals {
1319 u16 addr, val;
1320} rv[] = {
1321 {CDATA_LEFT_VOLUME, ARB_VOLUME},
1322 {CDATA_RIGHT_VOLUME, ARB_VOLUME},
1323 {SRC3_DIRECTION_OFFSET, 1} ,
1324 /* +1, +2 are stereo/16 bit */
1325 {SRC3_DIRECTION_OFFSET + 3, 0x0000}, /* fraction? */
1326 {SRC3_DIRECTION_OFFSET + 4, 0}, /* first l */
1327 {SRC3_DIRECTION_OFFSET + 5, 0}, /* first r */
1328 {SRC3_DIRECTION_OFFSET + 6, 0}, /* second l */
1329 {SRC3_DIRECTION_OFFSET + 7, 0}, /* second r */
1330 {SRC3_DIRECTION_OFFSET + 8, 0}, /* delta l */
1331 {SRC3_DIRECTION_OFFSET + 9, 0}, /* delta r */
1332 {SRC3_DIRECTION_OFFSET + 10, 0x8000}, /* round */
1333 {SRC3_DIRECTION_OFFSET + 11, 0xFF00}, /* higher bute mark */
1334 {SRC3_DIRECTION_OFFSET + 13, 0}, /* temp0 */
1335 {SRC3_DIRECTION_OFFSET + 14, 0}, /* c fraction */
1336 {SRC3_DIRECTION_OFFSET + 15, 0}, /* counter */
1337 {SRC3_DIRECTION_OFFSET + 16, 50},/* numin */
1338 {SRC3_DIRECTION_OFFSET + 17, 8}, /* numout */
1339 {SRC3_DIRECTION_OFFSET + 18, 0}, /* numstage */
1340 {SRC3_DIRECTION_OFFSET + 19, 0}, /* coef */
1341 {SRC3_DIRECTION_OFFSET + 20, 0}, /* filtertap */
1342 {SRC3_DIRECTION_OFFSET + 21, 0}, /* booster */
1343 {SRC3_DIRECTION_OFFSET + 22, 0xff} /* skip lpf */
1344};
1345
1346static void
1347snd_m3_capture_setup(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1348{
1349 unsigned int i;
1350
1351 /*
1352 * some per client initializers
1353 */
1354
1355 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1356 s->inst.data + SRC3_DIRECTION_OFFSET + 12,
1357 s->inst.data + 40 + 8);
1358
1359 /* tell it which way dma is going? */
1360 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1361 s->inst.data + CDATA_DMA_CONTROL,
1362 DMACONTROL_DIRECTION + DMACONTROL_AUTOREPEAT +
1363 DMAC_PAGE3_SELECTOR + DMAC_BLOCKF_SELECTOR);
1364
1365 /*
1366 * set an armload of static initializers
1367 */
1368 for (i = 0; i < ARRAY_SIZE(rv); i++)
1369 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1370 s->inst.data + rv[i].addr, rv[i].val);
1371}
1372
1373static int snd_m3_pcm_hw_params(struct snd_pcm_substream *substream,
1374 struct snd_pcm_hw_params *hw_params)
1375{
1376 struct m3_dma *s = substream->runtime->private_data;
1377
1378 /* set buffer address */
1379 s->buffer_addr = substream->runtime->dma_addr;
1380 if (s->buffer_addr & 0x3) {
1381 dev_err(substream->pcm->card->dev, "oh my, not aligned\n");
1382 s->buffer_addr = s->buffer_addr & ~0x3;
1383 }
1384 return 0;
1385}
1386
1387static int snd_m3_pcm_hw_free(struct snd_pcm_substream *substream)
1388{
1389 struct m3_dma *s;
1390
1391 if (substream->runtime->private_data == NULL)
1392 return 0;
1393 s = substream->runtime->private_data;
1394 s->buffer_addr = 0;
1395 return 0;
1396}
1397
1398static int
1399snd_m3_pcm_prepare(struct snd_pcm_substream *subs)
1400{
1401 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1402 struct snd_pcm_runtime *runtime = subs->runtime;
1403 struct m3_dma *s = runtime->private_data;
1404
1405 if (snd_BUG_ON(!s))
1406 return -ENXIO;
1407
1408 if (runtime->format != SNDRV_PCM_FORMAT_U8 &&
1409 runtime->format != SNDRV_PCM_FORMAT_S16_LE)
1410 return -EINVAL;
1411 if (runtime->rate > 48000 ||
1412 runtime->rate < 8000)
1413 return -EINVAL;
1414
1415 spin_lock_irq(&chip->reg_lock);
1416
1417 snd_m3_pcm_setup1(chip, s, subs);
1418
1419 if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK)
1420 snd_m3_playback_setup(chip, s, subs);
1421 else
1422 snd_m3_capture_setup(chip, s, subs);
1423
1424 snd_m3_pcm_setup2(chip, s, runtime);
1425
1426 spin_unlock_irq(&chip->reg_lock);
1427
1428 return 0;
1429}
1430
1431/*
1432 * get current pointer
1433 */
1434static unsigned int
1435snd_m3_get_pointer(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1436{
1437 u16 hi = 0, lo = 0;
1438 int retry = 10;
1439 u32 addr;
1440
1441 /*
1442 * try and get a valid answer
1443 */
1444 while (retry--) {
1445 hi = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1446 s->inst.data + CDATA_HOST_SRC_CURRENTH);
1447
1448 lo = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1449 s->inst.data + CDATA_HOST_SRC_CURRENTL);
1450
1451 if (hi == snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1452 s->inst.data + CDATA_HOST_SRC_CURRENTH))
1453 break;
1454 }
1455 addr = lo | ((u32)hi<<16);
1456 return (unsigned int)(addr - s->buffer_addr);
1457}
1458
1459static snd_pcm_uframes_t
1460snd_m3_pcm_pointer(struct snd_pcm_substream *subs)
1461{
1462 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1463 unsigned int ptr;
1464 struct m3_dma *s = subs->runtime->private_data;
1465
1466 if (snd_BUG_ON(!s))
1467 return 0;
1468
1469 spin_lock(&chip->reg_lock);
1470 ptr = snd_m3_get_pointer(chip, s, subs);
1471 spin_unlock(&chip->reg_lock);
1472 return bytes_to_frames(subs->runtime, ptr);
1473}
1474
1475
1476/* update pointer */
1477/* spinlock held! */
1478static void snd_m3_update_ptr(struct snd_m3 *chip, struct m3_dma *s)
1479{
1480 struct snd_pcm_substream *subs = s->substream;
1481 unsigned int hwptr;
1482 int diff;
1483
1484 if (! s->running)
1485 return;
1486
1487 hwptr = snd_m3_get_pointer(chip, s, subs);
1488
1489 /* try to avoid expensive modulo divisions */
1490 if (hwptr >= s->dma_size)
1491 hwptr %= s->dma_size;
1492
1493 diff = s->dma_size + hwptr - s->hwptr;
1494 if (diff >= s->dma_size)
1495 diff %= s->dma_size;
1496
1497 s->hwptr = hwptr;
1498 s->count += diff;
1499
1500 if (s->count >= (signed)s->period_size) {
1501
1502 if (s->count < 2 * (signed)s->period_size)
1503 s->count -= (signed)s->period_size;
1504 else
1505 s->count %= s->period_size;
1506
1507 spin_unlock(&chip->reg_lock);
1508 snd_pcm_period_elapsed(subs);
1509 spin_lock(&chip->reg_lock);
1510 }
1511}
1512
1513/* The m3's hardware volume works by incrementing / decrementing 2 counters
1514 (without wrap around) in response to volume button presses and then
1515 generating an interrupt. The pair of counters is stored in bits 1-3 and 5-7
1516 of a byte wide register. The meaning of bits 0 and 4 is unknown. */
1517static void snd_m3_update_hw_volume(struct work_struct *work)
1518{
1519 struct snd_m3 *chip = container_of(work, struct snd_m3, hwvol_work);
1520 int x, val;
1521
1522 /* Figure out which volume control button was pushed,
1523 based on differences from the default register
1524 values. */
1525 x = inb(chip->iobase + SHADOW_MIX_REG_VOICE) & 0xee;
1526
1527 /* Reset the volume counters to 4. Tests on the allegro integrated
1528 into a Compaq N600C laptop, have revealed that:
1529 1) Writing any value will result in the 2 counters being reset to
1530 4 so writing 0x88 is not strictly necessary
1531 2) Writing to any of the 4 involved registers will reset all 4
1532 of them (and reading them always returns the same value for all
1533 of them)
1534 It could be that a maestro deviates from this, so leave the code
1535 as is. */
1536 outb(0x88, chip->iobase + SHADOW_MIX_REG_VOICE);
1537 outb(0x88, chip->iobase + HW_VOL_COUNTER_VOICE);
1538 outb(0x88, chip->iobase + SHADOW_MIX_REG_MASTER);
1539 outb(0x88, chip->iobase + HW_VOL_COUNTER_MASTER);
1540
1541 /* Ignore spurious HV interrupts during suspend / resume, this avoids
1542 mistaking them for a mute button press. */
1543 if (chip->in_suspend)
1544 return;
1545
1546#ifndef CONFIG_SND_MAESTRO3_INPUT
1547 if (!chip->master_switch || !chip->master_volume)
1548 return;
1549
1550 val = snd_ac97_read(chip->ac97, AC97_MASTER);
1551 switch (x) {
1552 case 0x88:
1553 /* The counters have not changed, yet we've received a HV
1554 interrupt. According to tests run by various people this
1555 happens when pressing the mute button. */
1556 val ^= 0x8000;
1557 break;
1558 case 0xaa:
1559 /* counters increased by 1 -> volume up */
1560 if ((val & 0x7f) > 0)
1561 val--;
1562 if ((val & 0x7f00) > 0)
1563 val -= 0x0100;
1564 break;
1565 case 0x66:
1566 /* counters decreased by 1 -> volume down */
1567 if ((val & 0x7f) < 0x1f)
1568 val++;
1569 if ((val & 0x7f00) < 0x1f00)
1570 val += 0x0100;
1571 break;
1572 }
1573 if (snd_ac97_update(chip->ac97, AC97_MASTER, val))
1574 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1575 &chip->master_switch->id);
1576#else
1577 if (!chip->input_dev)
1578 return;
1579
1580 val = 0;
1581 switch (x) {
1582 case 0x88:
1583 /* The counters have not changed, yet we've received a HV
1584 interrupt. According to tests run by various people this
1585 happens when pressing the mute button. */
1586 val = KEY_MUTE;
1587 break;
1588 case 0xaa:
1589 /* counters increased by 1 -> volume up */
1590 val = KEY_VOLUMEUP;
1591 break;
1592 case 0x66:
1593 /* counters decreased by 1 -> volume down */
1594 val = KEY_VOLUMEDOWN;
1595 break;
1596 }
1597
1598 if (val) {
1599 input_report_key(chip->input_dev, val, 1);
1600 input_sync(chip->input_dev);
1601 input_report_key(chip->input_dev, val, 0);
1602 input_sync(chip->input_dev);
1603 }
1604#endif
1605}
1606
1607static irqreturn_t snd_m3_interrupt(int irq, void *dev_id)
1608{
1609 struct snd_m3 *chip = dev_id;
1610 u8 status;
1611 int i;
1612
1613 status = inb(chip->iobase + HOST_INT_STATUS);
1614
1615 if (status == 0xff)
1616 return IRQ_NONE;
1617
1618 if (status & HV_INT_PENDING)
1619 schedule_work(&chip->hwvol_work);
1620
1621 /*
1622 * ack an assp int if its running
1623 * and has an int pending
1624 */
1625 if (status & ASSP_INT_PENDING) {
1626 u8 ctl = inb(chip->iobase + ASSP_CONTROL_B);
1627 if (!(ctl & STOP_ASSP_CLOCK)) {
1628 ctl = inb(chip->iobase + ASSP_HOST_INT_STATUS);
1629 if (ctl & DSP2HOST_REQ_TIMER) {
1630 outb(DSP2HOST_REQ_TIMER, chip->iobase + ASSP_HOST_INT_STATUS);
1631 /* update adc/dac info if it was a timer int */
1632 spin_lock(&chip->reg_lock);
1633 for (i = 0; i < chip->num_substreams; i++) {
1634 struct m3_dma *s = &chip->substreams[i];
1635 if (s->running)
1636 snd_m3_update_ptr(chip, s);
1637 }
1638 spin_unlock(&chip->reg_lock);
1639 }
1640 }
1641 }
1642
1643#if 0 /* TODO: not supported yet */
1644 if ((status & MPU401_INT_PENDING) && chip->rmidi)
1645 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs);
1646#endif
1647
1648 /* ack ints */
1649 outb(status, chip->iobase + HOST_INT_STATUS);
1650
1651 return IRQ_HANDLED;
1652}
1653
1654
1655/*
1656 */
1657
1658static const struct snd_pcm_hardware snd_m3_playback =
1659{
1660 .info = (SNDRV_PCM_INFO_MMAP |
1661 SNDRV_PCM_INFO_INTERLEAVED |
1662 SNDRV_PCM_INFO_MMAP_VALID |
1663 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1664 /*SNDRV_PCM_INFO_PAUSE |*/
1665 SNDRV_PCM_INFO_RESUME),
1666 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1667 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1668 .rate_min = 8000,
1669 .rate_max = 48000,
1670 .channels_min = 1,
1671 .channels_max = 2,
1672 .buffer_bytes_max = (512*1024),
1673 .period_bytes_min = 64,
1674 .period_bytes_max = (512*1024),
1675 .periods_min = 1,
1676 .periods_max = 1024,
1677};
1678
1679static const struct snd_pcm_hardware snd_m3_capture =
1680{
1681 .info = (SNDRV_PCM_INFO_MMAP |
1682 SNDRV_PCM_INFO_INTERLEAVED |
1683 SNDRV_PCM_INFO_MMAP_VALID |
1684 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1685 /*SNDRV_PCM_INFO_PAUSE |*/
1686 SNDRV_PCM_INFO_RESUME),
1687 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1688 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1689 .rate_min = 8000,
1690 .rate_max = 48000,
1691 .channels_min = 1,
1692 .channels_max = 2,
1693 .buffer_bytes_max = (512*1024),
1694 .period_bytes_min = 64,
1695 .period_bytes_max = (512*1024),
1696 .periods_min = 1,
1697 .periods_max = 1024,
1698};
1699
1700
1701/*
1702 */
1703
1704static int
1705snd_m3_substream_open(struct snd_m3 *chip, struct snd_pcm_substream *subs)
1706{
1707 int i;
1708 struct m3_dma *s;
1709
1710 spin_lock_irq(&chip->reg_lock);
1711 for (i = 0; i < chip->num_substreams; i++) {
1712 s = &chip->substreams[i];
1713 if (! s->opened)
1714 goto __found;
1715 }
1716 spin_unlock_irq(&chip->reg_lock);
1717 return -ENOMEM;
1718__found:
1719 s->opened = 1;
1720 s->running = 0;
1721 spin_unlock_irq(&chip->reg_lock);
1722
1723 subs->runtime->private_data = s;
1724 s->substream = subs;
1725
1726 /* set list owners */
1727 if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1728 s->index_list[0] = &chip->mixer_list;
1729 } else
1730 s->index_list[0] = &chip->adc1_list;
1731 s->index_list[1] = &chip->msrc_list;
1732 s->index_list[2] = &chip->dma_list;
1733
1734 return 0;
1735}
1736
1737static void
1738snd_m3_substream_close(struct snd_m3 *chip, struct snd_pcm_substream *subs)
1739{
1740 struct m3_dma *s = subs->runtime->private_data;
1741
1742 if (s == NULL)
1743 return; /* not opened properly */
1744
1745 spin_lock_irq(&chip->reg_lock);
1746 if (s->substream && s->running)
1747 snd_m3_pcm_stop(chip, s, s->substream); /* does this happen? */
1748 if (s->in_lists) {
1749 snd_m3_remove_list(chip, s->index_list[0], s->index[0]);
1750 snd_m3_remove_list(chip, s->index_list[1], s->index[1]);
1751 snd_m3_remove_list(chip, s->index_list[2], s->index[2]);
1752 s->in_lists = 0;
1753 }
1754 s->running = 0;
1755 s->opened = 0;
1756 spin_unlock_irq(&chip->reg_lock);
1757}
1758
1759static int
1760snd_m3_playback_open(struct snd_pcm_substream *subs)
1761{
1762 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1763 struct snd_pcm_runtime *runtime = subs->runtime;
1764 int err;
1765
1766 err = snd_m3_substream_open(chip, subs);
1767 if (err < 0)
1768 return err;
1769
1770 runtime->hw = snd_m3_playback;
1771
1772 return 0;
1773}
1774
1775static int
1776snd_m3_playback_close(struct snd_pcm_substream *subs)
1777{
1778 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1779
1780 snd_m3_substream_close(chip, subs);
1781 return 0;
1782}
1783
1784static int
1785snd_m3_capture_open(struct snd_pcm_substream *subs)
1786{
1787 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1788 struct snd_pcm_runtime *runtime = subs->runtime;
1789 int err;
1790
1791 err = snd_m3_substream_open(chip, subs);
1792 if (err < 0)
1793 return err;
1794
1795 runtime->hw = snd_m3_capture;
1796
1797 return 0;
1798}
1799
1800static int
1801snd_m3_capture_close(struct snd_pcm_substream *subs)
1802{
1803 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1804
1805 snd_m3_substream_close(chip, subs);
1806 return 0;
1807}
1808
1809/*
1810 * create pcm instance
1811 */
1812
1813static const struct snd_pcm_ops snd_m3_playback_ops = {
1814 .open = snd_m3_playback_open,
1815 .close = snd_m3_playback_close,
1816 .hw_params = snd_m3_pcm_hw_params,
1817 .hw_free = snd_m3_pcm_hw_free,
1818 .prepare = snd_m3_pcm_prepare,
1819 .trigger = snd_m3_pcm_trigger,
1820 .pointer = snd_m3_pcm_pointer,
1821};
1822
1823static const struct snd_pcm_ops snd_m3_capture_ops = {
1824 .open = snd_m3_capture_open,
1825 .close = snd_m3_capture_close,
1826 .hw_params = snd_m3_pcm_hw_params,
1827 .hw_free = snd_m3_pcm_hw_free,
1828 .prepare = snd_m3_pcm_prepare,
1829 .trigger = snd_m3_pcm_trigger,
1830 .pointer = snd_m3_pcm_pointer,
1831};
1832
1833static int
1834snd_m3_pcm(struct snd_m3 * chip, int device)
1835{
1836 struct snd_pcm *pcm;
1837 int err;
1838
1839 err = snd_pcm_new(chip->card, chip->card->driver, device,
1840 MAX_PLAYBACKS, MAX_CAPTURES, &pcm);
1841 if (err < 0)
1842 return err;
1843
1844 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_m3_playback_ops);
1845 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_m3_capture_ops);
1846
1847 pcm->private_data = chip;
1848 pcm->info_flags = 0;
1849 strcpy(pcm->name, chip->card->driver);
1850 chip->pcm = pcm;
1851
1852 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1853 &chip->pci->dev, 64*1024, 64*1024);
1854
1855 return 0;
1856}
1857
1858
1859/*
1860 * ac97 interface
1861 */
1862
1863/*
1864 * Wait for the ac97 serial bus to be free.
1865 * return nonzero if the bus is still busy.
1866 */
1867static int snd_m3_ac97_wait(struct snd_m3 *chip)
1868{
1869 int i = 10000;
1870
1871 do {
1872 if (! (snd_m3_inb(chip, 0x30) & 1))
1873 return 0;
1874 cpu_relax();
1875 } while (i-- > 0);
1876
1877 dev_err(chip->card->dev, "ac97 serial bus busy\n");
1878 return 1;
1879}
1880
1881static unsigned short
1882snd_m3_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
1883{
1884 struct snd_m3 *chip = ac97->private_data;
1885 unsigned short data = 0xffff;
1886
1887 if (snd_m3_ac97_wait(chip))
1888 goto fail;
1889 snd_m3_outb(chip, 0x80 | (reg & 0x7f), CODEC_COMMAND);
1890 if (snd_m3_ac97_wait(chip))
1891 goto fail;
1892 data = snd_m3_inw(chip, CODEC_DATA);
1893fail:
1894 return data;
1895}
1896
1897static void
1898snd_m3_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val)
1899{
1900 struct snd_m3 *chip = ac97->private_data;
1901
1902 if (snd_m3_ac97_wait(chip))
1903 return;
1904 snd_m3_outw(chip, val, CODEC_DATA);
1905 snd_m3_outb(chip, reg & 0x7f, CODEC_COMMAND);
1906 /*
1907 * Workaround for buggy ES1988 integrated AC'97 codec. It remains silent
1908 * until the MASTER volume or mute is touched (alsactl restore does not
1909 * work).
1910 */
1911 if (ac97->id == 0x45838308 && reg == AC97_MASTER) {
1912 snd_m3_ac97_wait(chip);
1913 snd_m3_outw(chip, val, CODEC_DATA);
1914 snd_m3_outb(chip, reg & 0x7f, CODEC_COMMAND);
1915 }
1916}
1917
1918
1919static void snd_m3_remote_codec_config(struct snd_m3 *chip, int isremote)
1920{
1921 int io = chip->iobase;
1922 u16 tmp;
1923
1924 isremote = isremote ? 1 : 0;
1925
1926 tmp = inw(io + RING_BUS_CTRL_B) & ~SECOND_CODEC_ID_MASK;
1927 /* enable dock on Dell Latitude C810 */
1928 if (chip->pci->subsystem_vendor == 0x1028 &&
1929 chip->pci->subsystem_device == 0x00e5)
1930 tmp |= M3I_DOCK_ENABLE;
1931 outw(tmp | isremote, io + RING_BUS_CTRL_B);
1932 outw((inw(io + SDO_OUT_DEST_CTRL) & ~COMMAND_ADDR_OUT) | isremote,
1933 io + SDO_OUT_DEST_CTRL);
1934 outw((inw(io + SDO_IN_DEST_CTRL) & ~STATUS_ADDR_IN) | isremote,
1935 io + SDO_IN_DEST_CTRL);
1936}
1937
1938/*
1939 * hack, returns non zero on err
1940 */
1941static int snd_m3_try_read_vendor(struct snd_m3 *chip)
1942{
1943 u16 ret;
1944
1945 if (snd_m3_ac97_wait(chip))
1946 return 1;
1947
1948 snd_m3_outb(chip, 0x80 | (AC97_VENDOR_ID1 & 0x7f), 0x30);
1949
1950 if (snd_m3_ac97_wait(chip))
1951 return 1;
1952
1953 ret = snd_m3_inw(chip, 0x32);
1954
1955 return (ret == 0) || (ret == 0xffff);
1956}
1957
1958static void snd_m3_ac97_reset(struct snd_m3 *chip)
1959{
1960 u16 dir;
1961 int delay1 = 0, delay2 = 0, i;
1962 int io = chip->iobase;
1963
1964 if (chip->allegro_flag) {
1965 /*
1966 * the onboard codec on the allegro seems
1967 * to want to wait a very long time before
1968 * coming back to life
1969 */
1970 delay1 = 50;
1971 delay2 = 800;
1972 } else {
1973 /* maestro3 */
1974 delay1 = 20;
1975 delay2 = 500;
1976 }
1977
1978 for (i = 0; i < 5; i++) {
1979 dir = inw(io + GPIO_DIRECTION);
1980 if (!chip->irda_workaround)
1981 dir |= 0x10; /* assuming pci bus master? */
1982
1983 snd_m3_remote_codec_config(chip, 0);
1984
1985 outw(IO_SRAM_ENABLE, io + RING_BUS_CTRL_A);
1986 udelay(20);
1987
1988 outw(dir & ~GPO_PRIMARY_AC97 , io + GPIO_DIRECTION);
1989 outw(~GPO_PRIMARY_AC97 , io + GPIO_MASK);
1990 outw(0, io + GPIO_DATA);
1991 outw(dir | GPO_PRIMARY_AC97, io + GPIO_DIRECTION);
1992
1993 schedule_timeout_uninterruptible(msecs_to_jiffies(delay1));
1994
1995 outw(GPO_PRIMARY_AC97, io + GPIO_DATA);
1996 udelay(5);
1997 /* ok, bring back the ac-link */
1998 outw(IO_SRAM_ENABLE | SERIAL_AC_LINK_ENABLE, io + RING_BUS_CTRL_A);
1999 outw(~0, io + GPIO_MASK);
2000
2001 schedule_timeout_uninterruptible(msecs_to_jiffies(delay2));
2002
2003 if (! snd_m3_try_read_vendor(chip))
2004 break;
2005
2006 delay1 += 10;
2007 delay2 += 100;
2008
2009 dev_dbg(chip->card->dev,
2010 "retrying codec reset with delays of %d and %d ms\n",
2011 delay1, delay2);
2012 }
2013
2014#if 0
2015 /* more gung-ho reset that doesn't
2016 * seem to work anywhere :)
2017 */
2018 tmp = inw(io + RING_BUS_CTRL_A);
2019 outw(RAC_SDFS_ENABLE|LAC_SDFS_ENABLE, io + RING_BUS_CTRL_A);
2020 msleep(20);
2021 outw(tmp, io + RING_BUS_CTRL_A);
2022 msleep(50);
2023#endif
2024}
2025
2026static int snd_m3_mixer(struct snd_m3 *chip)
2027{
2028 struct snd_ac97_bus *pbus;
2029 struct snd_ac97_template ac97;
2030 int err;
2031 static const struct snd_ac97_bus_ops ops = {
2032 .write = snd_m3_ac97_write,
2033 .read = snd_m3_ac97_read,
2034 };
2035
2036 err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus);
2037 if (err < 0)
2038 return err;
2039
2040 memset(&ac97, 0, sizeof(ac97));
2041 ac97.private_data = chip;
2042 err = snd_ac97_mixer(pbus, &ac97, &chip->ac97);
2043 if (err < 0)
2044 return err;
2045
2046 /* seems ac97 PCM needs initialization.. hack hack.. */
2047 snd_ac97_write(chip->ac97, AC97_PCM, 0x8000 | (15 << 8) | 15);
2048 schedule_timeout_uninterruptible(msecs_to_jiffies(100));
2049 snd_ac97_write(chip->ac97, AC97_PCM, 0);
2050
2051#ifndef CONFIG_SND_MAESTRO3_INPUT
2052 chip->master_switch = snd_ctl_find_id_mixer(chip->card,
2053 "Master Playback Switch");
2054 chip->master_volume = snd_ctl_find_id_mixer(chip->card,
2055 "Master Playback Volume");
2056#endif
2057
2058 return 0;
2059}
2060
2061
2062/*
2063 * initialize ASSP
2064 */
2065
2066#define MINISRC_LPF_LEN 10
2067static const u16 minisrc_lpf[MINISRC_LPF_LEN] = {
2068 0X0743, 0X1104, 0X0A4C, 0XF88D, 0X242C,
2069 0X1023, 0X1AA9, 0X0B60, 0XEFDD, 0X186F
2070};
2071
2072static void snd_m3_assp_init(struct snd_m3 *chip)
2073{
2074 unsigned int i;
2075 const __le16 *data;
2076
2077 /* zero kernel data */
2078 for (i = 0; i < (REV_B_DATA_MEMORY_UNIT_LENGTH * NUM_UNITS_KERNEL_DATA) / 2; i++)
2079 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2080 KDATA_BASE_ADDR + i, 0);
2081
2082 /* zero mixer data? */
2083 for (i = 0; i < (REV_B_DATA_MEMORY_UNIT_LENGTH * NUM_UNITS_KERNEL_DATA) / 2; i++)
2084 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2085 KDATA_BASE_ADDR2 + i, 0);
2086
2087 /* init dma pointer */
2088 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2089 KDATA_CURRENT_DMA,
2090 KDATA_DMA_XFER0);
2091
2092 /* write kernel into code memory.. */
2093 data = (const __le16 *)chip->assp_kernel_image->data;
2094 for (i = 0 ; i * 2 < chip->assp_kernel_image->size; i++) {
2095 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2096 REV_B_CODE_MEMORY_BEGIN + i,
2097 le16_to_cpu(data[i]));
2098 }
2099
2100 /*
2101 * We only have this one client and we know that 0x400
2102 * is free in our kernel's mem map, so lets just
2103 * drop it there. It seems that the minisrc doesn't
2104 * need vectors, so we won't bother with them..
2105 */
2106 data = (const __le16 *)chip->assp_minisrc_image->data;
2107 for (i = 0; i * 2 < chip->assp_minisrc_image->size; i++) {
2108 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2109 0x400 + i, le16_to_cpu(data[i]));
2110 }
2111
2112 /*
2113 * write the coefficients for the low pass filter?
2114 */
2115 for (i = 0; i < MINISRC_LPF_LEN ; i++) {
2116 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2117 0x400 + MINISRC_COEF_LOC + i,
2118 minisrc_lpf[i]);
2119 }
2120
2121 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2122 0x400 + MINISRC_COEF_LOC + MINISRC_LPF_LEN,
2123 0x8000);
2124
2125 /*
2126 * the minisrc is the only thing on
2127 * our task list..
2128 */
2129 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2130 KDATA_TASK0,
2131 0x400);
2132
2133 /*
2134 * init the mixer number..
2135 */
2136
2137 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2138 KDATA_MIXER_TASK_NUMBER,0);
2139
2140 /*
2141 * EXTREME KERNEL MASTER VOLUME
2142 */
2143 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2144 KDATA_DAC_LEFT_VOLUME, ARB_VOLUME);
2145 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2146 KDATA_DAC_RIGHT_VOLUME, ARB_VOLUME);
2147
2148 chip->mixer_list.curlen = 0;
2149 chip->mixer_list.mem_addr = KDATA_MIXER_XFER0;
2150 chip->mixer_list.max = MAX_VIRTUAL_MIXER_CHANNELS;
2151 chip->adc1_list.curlen = 0;
2152 chip->adc1_list.mem_addr = KDATA_ADC1_XFER0;
2153 chip->adc1_list.max = MAX_VIRTUAL_ADC1_CHANNELS;
2154 chip->dma_list.curlen = 0;
2155 chip->dma_list.mem_addr = KDATA_DMA_XFER0;
2156 chip->dma_list.max = MAX_VIRTUAL_DMA_CHANNELS;
2157 chip->msrc_list.curlen = 0;
2158 chip->msrc_list.mem_addr = KDATA_INSTANCE0_MINISRC;
2159 chip->msrc_list.max = MAX_INSTANCE_MINISRC;
2160}
2161
2162
2163static int snd_m3_assp_client_init(struct snd_m3 *chip, struct m3_dma *s, int index)
2164{
2165 int data_bytes = 2 * ( MINISRC_TMP_BUFFER_SIZE / 2 +
2166 MINISRC_IN_BUFFER_SIZE / 2 +
2167 1 + MINISRC_OUT_BUFFER_SIZE / 2 + 1 );
2168 int address, i;
2169
2170 /*
2171 * the revb memory map has 0x1100 through 0x1c00
2172 * free.
2173 */
2174
2175 /*
2176 * align instance address to 256 bytes so that its
2177 * shifted list address is aligned.
2178 * list address = (mem address >> 1) >> 7;
2179 */
2180 data_bytes = ALIGN(data_bytes, 256);
2181 address = 0x1100 + ((data_bytes/2) * index);
2182
2183 if ((address + (data_bytes/2)) >= 0x1c00) {
2184 dev_err(chip->card->dev,
2185 "no memory for %d bytes at ind %d (addr 0x%x)\n",
2186 data_bytes, index, address);
2187 return -ENOMEM;
2188 }
2189
2190 s->number = index;
2191 s->inst.code = 0x400;
2192 s->inst.data = address;
2193
2194 for (i = data_bytes / 2; i > 0; address++, i--) {
2195 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2196 address, 0);
2197 }
2198
2199 return 0;
2200}
2201
2202
2203/*
2204 * this works for the reference board, have to find
2205 * out about others
2206 *
2207 * this needs more magic for 4 speaker, but..
2208 */
2209static void
2210snd_m3_amp_enable(struct snd_m3 *chip, int enable)
2211{
2212 int io = chip->iobase;
2213 u16 gpo, polarity;
2214
2215 if (! chip->external_amp)
2216 return;
2217
2218 polarity = enable ? 0 : 1;
2219 polarity = polarity << chip->amp_gpio;
2220 gpo = 1 << chip->amp_gpio;
2221
2222 outw(~gpo, io + GPIO_MASK);
2223
2224 outw(inw(io + GPIO_DIRECTION) | gpo,
2225 io + GPIO_DIRECTION);
2226
2227 outw((GPO_SECONDARY_AC97 | GPO_PRIMARY_AC97 | polarity),
2228 io + GPIO_DATA);
2229
2230 outw(0xffff, io + GPIO_MASK);
2231}
2232
2233static void
2234snd_m3_hv_init(struct snd_m3 *chip)
2235{
2236 unsigned long io = chip->iobase;
2237 u16 val = GPI_VOL_DOWN | GPI_VOL_UP;
2238
2239 if (!chip->is_omnibook)
2240 return;
2241
2242 /*
2243 * Volume buttons on some HP OmniBook laptops
2244 * require some GPIO magic to work correctly.
2245 */
2246 outw(0xffff, io + GPIO_MASK);
2247 outw(0x0000, io + GPIO_DATA);
2248
2249 outw(~val, io + GPIO_MASK);
2250 outw(inw(io + GPIO_DIRECTION) & ~val, io + GPIO_DIRECTION);
2251 outw(val, io + GPIO_MASK);
2252
2253 outw(0xffff, io + GPIO_MASK);
2254}
2255
2256static int
2257snd_m3_chip_init(struct snd_m3 *chip)
2258{
2259 struct pci_dev *pcidev = chip->pci;
2260 unsigned long io = chip->iobase;
2261 u32 n;
2262 u16 w;
2263 u8 t; /* makes as much sense as 'n', no? */
2264
2265 pci_read_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, &w);
2266 w &= ~(SOUND_BLASTER_ENABLE|FM_SYNTHESIS_ENABLE|
2267 MPU401_IO_ENABLE|MPU401_IRQ_ENABLE|ALIAS_10BIT_IO|
2268 DISABLE_LEGACY);
2269 pci_write_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, w);
2270
2271 pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n);
2272 n &= ~(HV_CTRL_ENABLE | REDUCED_DEBOUNCE | HV_BUTTON_FROM_GD);
2273 n |= chip->hv_config;
2274 /* For some reason we must always use reduced debounce. */
2275 n |= REDUCED_DEBOUNCE;
2276 n |= PM_CTRL_ENABLE | CLK_DIV_BY_49 | USE_PCI_TIMING;
2277 pci_write_config_dword(pcidev, PCI_ALLEGRO_CONFIG, n);
2278
2279 outb(RESET_ASSP, chip->iobase + ASSP_CONTROL_B);
2280 pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n);
2281 n &= ~INT_CLK_SELECT;
2282 if (!chip->allegro_flag) {
2283 n &= ~INT_CLK_MULT_ENABLE;
2284 n |= INT_CLK_SRC_NOT_PCI;
2285 }
2286 n &= ~( CLK_MULT_MODE_SELECT | CLK_MULT_MODE_SELECT_2 );
2287 pci_write_config_dword(pcidev, PCI_ALLEGRO_CONFIG, n);
2288
2289 if (chip->allegro_flag) {
2290 pci_read_config_dword(pcidev, PCI_USER_CONFIG, &n);
2291 n |= IN_CLK_12MHZ_SELECT;
2292 pci_write_config_dword(pcidev, PCI_USER_CONFIG, n);
2293 }
2294
2295 t = inb(chip->iobase + ASSP_CONTROL_A);
2296 t &= ~( DSP_CLK_36MHZ_SELECT | ASSP_CLK_49MHZ_SELECT);
2297 t |= ASSP_CLK_49MHZ_SELECT;
2298 t |= ASSP_0_WS_ENABLE;
2299 outb(t, chip->iobase + ASSP_CONTROL_A);
2300
2301 snd_m3_assp_init(chip); /* download DSP code before starting ASSP below */
2302 outb(RUN_ASSP, chip->iobase + ASSP_CONTROL_B);
2303
2304 outb(0x00, io + HARDWARE_VOL_CTRL);
2305 outb(0x88, io + SHADOW_MIX_REG_VOICE);
2306 outb(0x88, io + HW_VOL_COUNTER_VOICE);
2307 outb(0x88, io + SHADOW_MIX_REG_MASTER);
2308 outb(0x88, io + HW_VOL_COUNTER_MASTER);
2309
2310 return 0;
2311}
2312
2313static void
2314snd_m3_enable_ints(struct snd_m3 *chip)
2315{
2316 unsigned long io = chip->iobase;
2317 unsigned short val;
2318
2319 /* TODO: MPU401 not supported yet */
2320 val = ASSP_INT_ENABLE /*| MPU401_INT_ENABLE*/;
2321 if (chip->hv_config & HV_CTRL_ENABLE)
2322 val |= HV_INT_ENABLE;
2323 outb(val, chip->iobase + HOST_INT_STATUS);
2324 outw(val, io + HOST_INT_CTRL);
2325 outb(inb(io + ASSP_CONTROL_C) | ASSP_HOST_INT_ENABLE,
2326 io + ASSP_CONTROL_C);
2327}
2328
2329
2330/*
2331 */
2332
2333static void snd_m3_free(struct snd_card *card)
2334{
2335 struct snd_m3 *chip = card->private_data;
2336 struct m3_dma *s;
2337 int i;
2338
2339 cancel_work_sync(&chip->hwvol_work);
2340
2341 if (chip->substreams) {
2342 spin_lock_irq(&chip->reg_lock);
2343 for (i = 0; i < chip->num_substreams; i++) {
2344 s = &chip->substreams[i];
2345 /* check surviving pcms; this should not happen though.. */
2346 if (s->substream && s->running)
2347 snd_m3_pcm_stop(chip, s, s->substream);
2348 }
2349 spin_unlock_irq(&chip->reg_lock);
2350 }
2351 if (chip->iobase) {
2352 outw(0, chip->iobase + HOST_INT_CTRL); /* disable ints */
2353 }
2354
2355 vfree(chip->suspend_mem);
2356 release_firmware(chip->assp_kernel_image);
2357 release_firmware(chip->assp_minisrc_image);
2358}
2359
2360
2361/*
2362 * APM support
2363 */
2364static int m3_suspend(struct device *dev)
2365{
2366 struct snd_card *card = dev_get_drvdata(dev);
2367 struct snd_m3 *chip = card->private_data;
2368 int i, dsp_index;
2369
2370 if (chip->suspend_mem == NULL)
2371 return 0;
2372
2373 chip->in_suspend = 1;
2374 cancel_work_sync(&chip->hwvol_work);
2375 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2376 snd_ac97_suspend(chip->ac97);
2377
2378 msleep(10); /* give the assp a chance to idle.. */
2379
2380 snd_m3_assp_halt(chip);
2381
2382 /* save dsp image */
2383 dsp_index = 0;
2384 for (i = REV_B_CODE_MEMORY_BEGIN; i <= REV_B_CODE_MEMORY_END; i++)
2385 chip->suspend_mem[dsp_index++] =
2386 snd_m3_assp_read(chip, MEMTYPE_INTERNAL_CODE, i);
2387 for (i = REV_B_DATA_MEMORY_BEGIN ; i <= REV_B_DATA_MEMORY_END; i++)
2388 chip->suspend_mem[dsp_index++] =
2389 snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA, i);
2390 return 0;
2391}
2392
2393static int m3_resume(struct device *dev)
2394{
2395 struct snd_card *card = dev_get_drvdata(dev);
2396 struct snd_m3 *chip = card->private_data;
2397 int i, dsp_index;
2398
2399 if (chip->suspend_mem == NULL)
2400 return 0;
2401
2402 /* first lets just bring everything back. .*/
2403 snd_m3_outw(chip, 0, 0x54);
2404 snd_m3_outw(chip, 0, 0x56);
2405
2406 snd_m3_chip_init(chip);
2407 snd_m3_assp_halt(chip);
2408 snd_m3_ac97_reset(chip);
2409
2410 /* restore dsp image */
2411 dsp_index = 0;
2412 for (i = REV_B_CODE_MEMORY_BEGIN; i <= REV_B_CODE_MEMORY_END; i++)
2413 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, i,
2414 chip->suspend_mem[dsp_index++]);
2415 for (i = REV_B_DATA_MEMORY_BEGIN ; i <= REV_B_DATA_MEMORY_END; i++)
2416 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, i,
2417 chip->suspend_mem[dsp_index++]);
2418
2419 /* tell the dma engine to restart itself */
2420 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2421 KDATA_DMA_ACTIVE, 0);
2422
2423 /* restore ac97 registers */
2424 snd_ac97_resume(chip->ac97);
2425
2426 snd_m3_assp_continue(chip);
2427 snd_m3_enable_ints(chip);
2428 snd_m3_amp_enable(chip, 1);
2429
2430 snd_m3_hv_init(chip);
2431
2432 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2433 chip->in_suspend = 0;
2434 return 0;
2435}
2436
2437static DEFINE_SIMPLE_DEV_PM_OPS(m3_pm, m3_suspend, m3_resume);
2438
2439#ifdef CONFIG_SND_MAESTRO3_INPUT
2440static int snd_m3_input_register(struct snd_m3 *chip)
2441{
2442 struct input_dev *input_dev;
2443 int err;
2444
2445 input_dev = devm_input_allocate_device(&chip->pci->dev);
2446 if (!input_dev)
2447 return -ENOMEM;
2448
2449 snprintf(chip->phys, sizeof(chip->phys), "pci-%s/input0",
2450 pci_name(chip->pci));
2451
2452 input_dev->name = chip->card->driver;
2453 input_dev->phys = chip->phys;
2454 input_dev->id.bustype = BUS_PCI;
2455 input_dev->id.vendor = chip->pci->vendor;
2456 input_dev->id.product = chip->pci->device;
2457 input_dev->dev.parent = &chip->pci->dev;
2458
2459 __set_bit(EV_KEY, input_dev->evbit);
2460 __set_bit(KEY_MUTE, input_dev->keybit);
2461 __set_bit(KEY_VOLUMEDOWN, input_dev->keybit);
2462 __set_bit(KEY_VOLUMEUP, input_dev->keybit);
2463
2464 err = input_register_device(input_dev);
2465 if (err)
2466 return err;
2467
2468 chip->input_dev = input_dev;
2469 return 0;
2470}
2471#endif /* CONFIG_INPUT */
2472
2473/*
2474 */
2475
2476static int
2477snd_m3_create(struct snd_card *card, struct pci_dev *pci,
2478 int enable_amp,
2479 int amp_gpio)
2480{
2481 struct snd_m3 *chip = card->private_data;
2482 int i, err;
2483 const struct snd_pci_quirk *quirk;
2484
2485 if (pcim_enable_device(pci))
2486 return -EIO;
2487
2488 /* check, if we can restrict PCI DMA transfers to 28 bits */
2489 if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(28))) {
2490 dev_err(card->dev,
2491 "architecture does not support 28bit PCI busmaster DMA\n");
2492 return -ENXIO;
2493 }
2494
2495 spin_lock_init(&chip->reg_lock);
2496
2497 switch (pci->device) {
2498 case PCI_DEVICE_ID_ESS_ALLEGRO:
2499 case PCI_DEVICE_ID_ESS_ALLEGRO_1:
2500 case PCI_DEVICE_ID_ESS_CANYON3D_2LE:
2501 case PCI_DEVICE_ID_ESS_CANYON3D_2:
2502 chip->allegro_flag = 1;
2503 break;
2504 }
2505
2506 chip->card = card;
2507 chip->pci = pci;
2508 chip->irq = -1;
2509 INIT_WORK(&chip->hwvol_work, snd_m3_update_hw_volume);
2510 card->private_free = snd_m3_free;
2511
2512 chip->external_amp = enable_amp;
2513 if (amp_gpio >= 0 && amp_gpio <= 0x0f)
2514 chip->amp_gpio = amp_gpio;
2515 else {
2516 quirk = snd_pci_quirk_lookup(pci, m3_amp_quirk_list);
2517 if (quirk) {
2518 dev_info(card->dev, "set amp-gpio for '%s'\n",
2519 snd_pci_quirk_name(quirk));
2520 chip->amp_gpio = quirk->value;
2521 } else if (chip->allegro_flag)
2522 chip->amp_gpio = GPO_EXT_AMP_ALLEGRO;
2523 else /* presumably this is for all 'maestro3's.. */
2524 chip->amp_gpio = GPO_EXT_AMP_M3;
2525 }
2526
2527 quirk = snd_pci_quirk_lookup(pci, m3_irda_quirk_list);
2528 if (quirk) {
2529 dev_info(card->dev, "enabled irda workaround for '%s'\n",
2530 snd_pci_quirk_name(quirk));
2531 chip->irda_workaround = 1;
2532 }
2533 quirk = snd_pci_quirk_lookup(pci, m3_hv_quirk_list);
2534 if (quirk)
2535 chip->hv_config = quirk->value;
2536 if (snd_pci_quirk_lookup(pci, m3_omnibook_quirk_list))
2537 chip->is_omnibook = 1;
2538
2539 chip->num_substreams = NR_DSPS;
2540 chip->substreams = devm_kcalloc(&pci->dev, chip->num_substreams,
2541 sizeof(struct m3_dma), GFP_KERNEL);
2542 if (!chip->substreams)
2543 return -ENOMEM;
2544
2545 err = request_firmware(&chip->assp_kernel_image,
2546 "ess/maestro3_assp_kernel.fw", &pci->dev);
2547 if (err < 0)
2548 return err;
2549
2550 err = request_firmware(&chip->assp_minisrc_image,
2551 "ess/maestro3_assp_minisrc.fw", &pci->dev);
2552 if (err < 0)
2553 return err;
2554
2555 err = pci_request_regions(pci, card->driver);
2556 if (err < 0)
2557 return err;
2558
2559 chip->iobase = pci_resource_start(pci, 0);
2560
2561 /* just to be sure */
2562 pci_set_master(pci);
2563
2564 snd_m3_chip_init(chip);
2565 snd_m3_assp_halt(chip);
2566
2567 snd_m3_ac97_reset(chip);
2568
2569 snd_m3_amp_enable(chip, 1);
2570
2571 snd_m3_hv_init(chip);
2572
2573 if (devm_request_irq(&pci->dev, pci->irq, snd_m3_interrupt, IRQF_SHARED,
2574 KBUILD_MODNAME, chip)) {
2575 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2576 return -ENOMEM;
2577 }
2578 chip->irq = pci->irq;
2579 card->sync_irq = chip->irq;
2580
2581 if (IS_ENABLED(CONFIG_PM_SLEEP)) {
2582 chip->suspend_mem =
2583 vmalloc(array_size(sizeof(u16),
2584 REV_B_CODE_MEMORY_LENGTH +
2585 REV_B_DATA_MEMORY_LENGTH));
2586 if (!chip->suspend_mem)
2587 dev_warn(card->dev, "can't allocate apm buffer\n");
2588 }
2589
2590 err = snd_m3_mixer(chip);
2591 if (err < 0)
2592 return err;
2593
2594 for (i = 0; i < chip->num_substreams; i++) {
2595 struct m3_dma *s = &chip->substreams[i];
2596 err = snd_m3_assp_client_init(chip, s, i);
2597 if (err < 0)
2598 return err;
2599 }
2600
2601 err = snd_m3_pcm(chip, 0);
2602 if (err < 0)
2603 return err;
2604
2605#ifdef CONFIG_SND_MAESTRO3_INPUT
2606 if (chip->hv_config & HV_CTRL_ENABLE) {
2607 err = snd_m3_input_register(chip);
2608 if (err)
2609 dev_warn(card->dev,
2610 "Input device registration failed with error %i",
2611 err);
2612 }
2613#endif
2614
2615 snd_m3_enable_ints(chip);
2616 snd_m3_assp_continue(chip);
2617
2618 return 0;
2619}
2620
2621/*
2622 */
2623static int
2624__snd_m3_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2625{
2626 static int dev;
2627 struct snd_card *card;
2628 struct snd_m3 *chip;
2629 int err;
2630
2631 /* don't pick up modems */
2632 if (((pci->class >> 8) & 0xffff) != PCI_CLASS_MULTIMEDIA_AUDIO)
2633 return -ENODEV;
2634
2635 if (dev >= SNDRV_CARDS)
2636 return -ENODEV;
2637 if (!enable[dev]) {
2638 dev++;
2639 return -ENOENT;
2640 }
2641
2642 err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2643 sizeof(*chip), &card);
2644 if (err < 0)
2645 return err;
2646 chip = card->private_data;
2647
2648 switch (pci->device) {
2649 case PCI_DEVICE_ID_ESS_ALLEGRO:
2650 case PCI_DEVICE_ID_ESS_ALLEGRO_1:
2651 strcpy(card->driver, "Allegro");
2652 break;
2653 case PCI_DEVICE_ID_ESS_CANYON3D_2LE:
2654 case PCI_DEVICE_ID_ESS_CANYON3D_2:
2655 strcpy(card->driver, "Canyon3D-2");
2656 break;
2657 default:
2658 strcpy(card->driver, "Maestro3");
2659 break;
2660 }
2661
2662 err = snd_m3_create(card, pci, external_amp[dev], amp_gpio[dev]);
2663 if (err < 0)
2664 return err;
2665
2666 sprintf(card->shortname, "ESS %s PCI", card->driver);
2667 sprintf(card->longname, "%s at 0x%lx, irq %d",
2668 card->shortname, chip->iobase, chip->irq);
2669
2670 err = snd_card_register(card);
2671 if (err < 0)
2672 return err;
2673
2674#if 0 /* TODO: not supported yet */
2675 /* TODO enable MIDI IRQ and I/O */
2676 err = snd_mpu401_uart_new(chip->card, 0, MPU401_HW_MPU401,
2677 chip->iobase + MPU401_DATA_PORT,
2678 MPU401_INFO_INTEGRATED | MPU401_INFO_IRQ_HOOK,
2679 -1, &chip->rmidi);
2680 if (err < 0)
2681 dev_warn(card->dev, "no MIDI support.\n");
2682#endif
2683
2684 pci_set_drvdata(pci, card);
2685 dev++;
2686 return 0;
2687}
2688
2689static int
2690snd_m3_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2691{
2692 return snd_card_free_on_error(&pci->dev, __snd_m3_probe(pci, pci_id));
2693}
2694
2695static struct pci_driver m3_driver = {
2696 .name = KBUILD_MODNAME,
2697 .id_table = snd_m3_ids,
2698 .probe = snd_m3_probe,
2699 .driver = {
2700 .pm = &m3_pm,
2701 },
2702};
2703
2704module_pci_driver(m3_driver);