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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_SUPPORTED_DEVICE("{{ESS,Maestro3 PCI},"
43 "{ESS,ES1988},"
44 "{ESS,Allegro PCI},"
45 "{ESS,Allegro-1 PCI},"
46 "{ESS,Canyon3D-2/LE PCI}}");
47MODULE_FIRMWARE("ess/maestro3_assp_kernel.fw");
48MODULE_FIRMWARE("ess/maestro3_assp_minisrc.fw");
49
50static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
51static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
52static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* all enabled */
53static bool external_amp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
54static int amp_gpio[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
55
56module_param_array(index, int, NULL, 0444);
57MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard.");
58module_param_array(id, charp, NULL, 0444);
59MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard.");
60module_param_array(enable, bool, NULL, 0444);
61MODULE_PARM_DESC(enable, "Enable this soundcard.");
62module_param_array(external_amp, bool, NULL, 0444);
63MODULE_PARM_DESC(external_amp, "Enable external amp for " CARD_NAME " soundcard.");
64module_param_array(amp_gpio, int, NULL, 0444);
65MODULE_PARM_DESC(amp_gpio, "GPIO pin number for external amp. (default = -1)");
66
67#define MAX_PLAYBACKS 2
68#define MAX_CAPTURES 1
69#define NR_DSPS (MAX_PLAYBACKS + MAX_CAPTURES)
70
71
72/*
73 * maestro3 registers
74 */
75
76/* Allegro PCI configuration registers */
77#define PCI_LEGACY_AUDIO_CTRL 0x40
78#define SOUND_BLASTER_ENABLE 0x00000001
79#define FM_SYNTHESIS_ENABLE 0x00000002
80#define GAME_PORT_ENABLE 0x00000004
81#define MPU401_IO_ENABLE 0x00000008
82#define MPU401_IRQ_ENABLE 0x00000010
83#define ALIAS_10BIT_IO 0x00000020
84#define SB_DMA_MASK 0x000000C0
85#define SB_DMA_0 0x00000040
86#define SB_DMA_1 0x00000040
87#define SB_DMA_R 0x00000080
88#define SB_DMA_3 0x000000C0
89#define SB_IRQ_MASK 0x00000700
90#define SB_IRQ_5 0x00000000
91#define SB_IRQ_7 0x00000100
92#define SB_IRQ_9 0x00000200
93#define SB_IRQ_10 0x00000300
94#define MIDI_IRQ_MASK 0x00003800
95#define SERIAL_IRQ_ENABLE 0x00004000
96#define DISABLE_LEGACY 0x00008000
97
98#define PCI_ALLEGRO_CONFIG 0x50
99#define SB_ADDR_240 0x00000004
100#define MPU_ADDR_MASK 0x00000018
101#define MPU_ADDR_330 0x00000000
102#define MPU_ADDR_300 0x00000008
103#define MPU_ADDR_320 0x00000010
104#define MPU_ADDR_340 0x00000018
105#define USE_PCI_TIMING 0x00000040
106#define POSTED_WRITE_ENABLE 0x00000080
107#define DMA_POLICY_MASK 0x00000700
108#define DMA_DDMA 0x00000000
109#define DMA_TDMA 0x00000100
110#define DMA_PCPCI 0x00000200
111#define DMA_WBDMA16 0x00000400
112#define DMA_WBDMA4 0x00000500
113#define DMA_WBDMA2 0x00000600
114#define DMA_WBDMA1 0x00000700
115#define DMA_SAFE_GUARD 0x00000800
116#define HI_PERF_GP_ENABLE 0x00001000
117#define PIC_SNOOP_MODE_0 0x00002000
118#define PIC_SNOOP_MODE_1 0x00004000
119#define SOUNDBLASTER_IRQ_MASK 0x00008000
120#define RING_IN_ENABLE 0x00010000
121#define SPDIF_TEST_MODE 0x00020000
122#define CLK_MULT_MODE_SELECT_2 0x00040000
123#define EEPROM_WRITE_ENABLE 0x00080000
124#define CODEC_DIR_IN 0x00100000
125#define HV_BUTTON_FROM_GD 0x00200000
126#define REDUCED_DEBOUNCE 0x00400000
127#define HV_CTRL_ENABLE 0x00800000
128#define SPDIF_ENABLE 0x01000000
129#define CLK_DIV_SELECT 0x06000000
130#define CLK_DIV_BY_48 0x00000000
131#define CLK_DIV_BY_49 0x02000000
132#define CLK_DIV_BY_50 0x04000000
133#define CLK_DIV_RESERVED 0x06000000
134#define PM_CTRL_ENABLE 0x08000000
135#define CLK_MULT_MODE_SELECT 0x30000000
136#define CLK_MULT_MODE_SHIFT 28
137#define CLK_MULT_MODE_0 0x00000000
138#define CLK_MULT_MODE_1 0x10000000
139#define CLK_MULT_MODE_2 0x20000000
140#define CLK_MULT_MODE_3 0x30000000
141#define INT_CLK_SELECT 0x40000000
142#define INT_CLK_MULT_RESET 0x80000000
143
144/* M3 */
145#define INT_CLK_SRC_NOT_PCI 0x00100000
146#define INT_CLK_MULT_ENABLE 0x80000000
147
148#define PCI_ACPI_CONTROL 0x54
149#define PCI_ACPI_D0 0x00000000
150#define PCI_ACPI_D1 0xB4F70000
151#define PCI_ACPI_D2 0xB4F7B4F7
152
153#define PCI_USER_CONFIG 0x58
154#define EXT_PCI_MASTER_ENABLE 0x00000001
155#define SPDIF_OUT_SELECT 0x00000002
156#define TEST_PIN_DIR_CTRL 0x00000004
157#define AC97_CODEC_TEST 0x00000020
158#define TRI_STATE_BUFFER 0x00000080
159#define IN_CLK_12MHZ_SELECT 0x00000100
160#define MULTI_FUNC_DISABLE 0x00000200
161#define EXT_MASTER_PAIR_SEL 0x00000400
162#define PCI_MASTER_SUPPORT 0x00000800
163#define STOP_CLOCK_ENABLE 0x00001000
164#define EAPD_DRIVE_ENABLE 0x00002000
165#define REQ_TRI_STATE_ENABLE 0x00004000
166#define REQ_LOW_ENABLE 0x00008000
167#define MIDI_1_ENABLE 0x00010000
168#define MIDI_2_ENABLE 0x00020000
169#define SB_AUDIO_SYNC 0x00040000
170#define HV_CTRL_TEST 0x00100000
171#define SOUNDBLASTER_TEST 0x00400000
172
173#define PCI_USER_CONFIG_C 0x5C
174
175#define PCI_DDMA_CTRL 0x60
176#define DDMA_ENABLE 0x00000001
177
178
179/* Allegro registers */
180#define HOST_INT_CTRL 0x18
181#define SB_INT_ENABLE 0x0001
182#define MPU401_INT_ENABLE 0x0002
183#define ASSP_INT_ENABLE 0x0010
184#define RING_INT_ENABLE 0x0020
185#define HV_INT_ENABLE 0x0040
186#define CLKRUN_GEN_ENABLE 0x0100
187#define HV_CTRL_TO_PME 0x0400
188#define SOFTWARE_RESET_ENABLE 0x8000
189
190/*
191 * should be using the above defines, probably.
192 */
193#define REGB_ENABLE_RESET 0x01
194#define REGB_STOP_CLOCK 0x10
195
196#define HOST_INT_STATUS 0x1A
197#define SB_INT_PENDING 0x01
198#define MPU401_INT_PENDING 0x02
199#define ASSP_INT_PENDING 0x10
200#define RING_INT_PENDING 0x20
201#define HV_INT_PENDING 0x40
202
203#define HARDWARE_VOL_CTRL 0x1B
204#define SHADOW_MIX_REG_VOICE 0x1C
205#define HW_VOL_COUNTER_VOICE 0x1D
206#define SHADOW_MIX_REG_MASTER 0x1E
207#define HW_VOL_COUNTER_MASTER 0x1F
208
209#define CODEC_COMMAND 0x30
210#define CODEC_READ_B 0x80
211
212#define CODEC_STATUS 0x30
213#define CODEC_BUSY_B 0x01
214
215#define CODEC_DATA 0x32
216
217#define RING_BUS_CTRL_A 0x36
218#define RAC_PME_ENABLE 0x0100
219#define RAC_SDFS_ENABLE 0x0200
220#define LAC_PME_ENABLE 0x0400
221#define LAC_SDFS_ENABLE 0x0800
222#define SERIAL_AC_LINK_ENABLE 0x1000
223#define IO_SRAM_ENABLE 0x2000
224#define IIS_INPUT_ENABLE 0x8000
225
226#define RING_BUS_CTRL_B 0x38
227#define SECOND_CODEC_ID_MASK 0x0003
228#define SPDIF_FUNC_ENABLE 0x0010
229#define SECOND_AC_ENABLE 0x0020
230#define SB_MODULE_INTF_ENABLE 0x0040
231#define SSPE_ENABLE 0x0040
232#define M3I_DOCK_ENABLE 0x0080
233
234#define SDO_OUT_DEST_CTRL 0x3A
235#define COMMAND_ADDR_OUT 0x0003
236#define PCM_LR_OUT_LOCAL 0x0000
237#define PCM_LR_OUT_REMOTE 0x0004
238#define PCM_LR_OUT_MUTE 0x0008
239#define PCM_LR_OUT_BOTH 0x000C
240#define LINE1_DAC_OUT_LOCAL 0x0000
241#define LINE1_DAC_OUT_REMOTE 0x0010
242#define LINE1_DAC_OUT_MUTE 0x0020
243#define LINE1_DAC_OUT_BOTH 0x0030
244#define PCM_CLS_OUT_LOCAL 0x0000
245#define PCM_CLS_OUT_REMOTE 0x0040
246#define PCM_CLS_OUT_MUTE 0x0080
247#define PCM_CLS_OUT_BOTH 0x00C0
248#define PCM_RLF_OUT_LOCAL 0x0000
249#define PCM_RLF_OUT_REMOTE 0x0100
250#define PCM_RLF_OUT_MUTE 0x0200
251#define PCM_RLF_OUT_BOTH 0x0300
252#define LINE2_DAC_OUT_LOCAL 0x0000
253#define LINE2_DAC_OUT_REMOTE 0x0400
254#define LINE2_DAC_OUT_MUTE 0x0800
255#define LINE2_DAC_OUT_BOTH 0x0C00
256#define HANDSET_OUT_LOCAL 0x0000
257#define HANDSET_OUT_REMOTE 0x1000
258#define HANDSET_OUT_MUTE 0x2000
259#define HANDSET_OUT_BOTH 0x3000
260#define IO_CTRL_OUT_LOCAL 0x0000
261#define IO_CTRL_OUT_REMOTE 0x4000
262#define IO_CTRL_OUT_MUTE 0x8000
263#define IO_CTRL_OUT_BOTH 0xC000
264
265#define SDO_IN_DEST_CTRL 0x3C
266#define STATUS_ADDR_IN 0x0003
267#define PCM_LR_IN_LOCAL 0x0000
268#define PCM_LR_IN_REMOTE 0x0004
269#define PCM_LR_RESERVED 0x0008
270#define PCM_LR_IN_BOTH 0x000C
271#define LINE1_ADC_IN_LOCAL 0x0000
272#define LINE1_ADC_IN_REMOTE 0x0010
273#define LINE1_ADC_IN_MUTE 0x0020
274#define MIC_ADC_IN_LOCAL 0x0000
275#define MIC_ADC_IN_REMOTE 0x0040
276#define MIC_ADC_IN_MUTE 0x0080
277#define LINE2_DAC_IN_LOCAL 0x0000
278#define LINE2_DAC_IN_REMOTE 0x0400
279#define LINE2_DAC_IN_MUTE 0x0800
280#define HANDSET_IN_LOCAL 0x0000
281#define HANDSET_IN_REMOTE 0x1000
282#define HANDSET_IN_MUTE 0x2000
283#define IO_STATUS_IN_LOCAL 0x0000
284#define IO_STATUS_IN_REMOTE 0x4000
285
286#define SPDIF_IN_CTRL 0x3E
287#define SPDIF_IN_ENABLE 0x0001
288
289#define GPIO_DATA 0x60
290#define GPIO_DATA_MASK 0x0FFF
291#define GPIO_HV_STATUS 0x3000
292#define GPIO_PME_STATUS 0x4000
293
294#define GPIO_MASK 0x64
295#define GPIO_DIRECTION 0x68
296#define GPO_PRIMARY_AC97 0x0001
297#define GPI_LINEOUT_SENSE 0x0004
298#define GPO_SECONDARY_AC97 0x0008
299#define GPI_VOL_DOWN 0x0010
300#define GPI_VOL_UP 0x0020
301#define GPI_IIS_CLK 0x0040
302#define GPI_IIS_LRCLK 0x0080
303#define GPI_IIS_DATA 0x0100
304#define GPI_DOCKING_STATUS 0x0100
305#define GPI_HEADPHONE_SENSE 0x0200
306#define GPO_EXT_AMP_SHUTDOWN 0x1000
307
308#define GPO_EXT_AMP_M3 1 /* default m3 amp */
309#define GPO_EXT_AMP_ALLEGRO 8 /* default allegro amp */
310
311/* M3 */
312#define GPO_M3_EXT_AMP_SHUTDN 0x0002
313
314#define ASSP_INDEX_PORT 0x80
315#define ASSP_MEMORY_PORT 0x82
316#define ASSP_DATA_PORT 0x84
317
318#define MPU401_DATA_PORT 0x98
319#define MPU401_STATUS_PORT 0x99
320
321#define CLK_MULT_DATA_PORT 0x9C
322
323#define ASSP_CONTROL_A 0xA2
324#define ASSP_0_WS_ENABLE 0x01
325#define ASSP_CTRL_A_RESERVED1 0x02
326#define ASSP_CTRL_A_RESERVED2 0x04
327#define ASSP_CLK_49MHZ_SELECT 0x08
328#define FAST_PLU_ENABLE 0x10
329#define ASSP_CTRL_A_RESERVED3 0x20
330#define DSP_CLK_36MHZ_SELECT 0x40
331
332#define ASSP_CONTROL_B 0xA4
333#define RESET_ASSP 0x00
334#define RUN_ASSP 0x01
335#define ENABLE_ASSP_CLOCK 0x00
336#define STOP_ASSP_CLOCK 0x10
337#define RESET_TOGGLE 0x40
338
339#define ASSP_CONTROL_C 0xA6
340#define ASSP_HOST_INT_ENABLE 0x01
341#define FM_ADDR_REMAP_DISABLE 0x02
342#define HOST_WRITE_PORT_ENABLE 0x08
343
344#define ASSP_HOST_INT_STATUS 0xAC
345#define DSP2HOST_REQ_PIORECORD 0x01
346#define DSP2HOST_REQ_I2SRATE 0x02
347#define DSP2HOST_REQ_TIMER 0x04
348
349/*
350 * ASSP control regs
351 */
352#define DSP_PORT_TIMER_COUNT 0x06
353
354#define DSP_PORT_MEMORY_INDEX 0x80
355
356#define DSP_PORT_MEMORY_TYPE 0x82
357#define MEMTYPE_INTERNAL_CODE 0x0002
358#define MEMTYPE_INTERNAL_DATA 0x0003
359#define MEMTYPE_MASK 0x0003
360
361#define DSP_PORT_MEMORY_DATA 0x84
362
363#define DSP_PORT_CONTROL_REG_A 0xA2
364#define DSP_PORT_CONTROL_REG_B 0xA4
365#define DSP_PORT_CONTROL_REG_C 0xA6
366
367#define REV_A_CODE_MEMORY_BEGIN 0x0000
368#define REV_A_CODE_MEMORY_END 0x0FFF
369#define REV_A_CODE_MEMORY_UNIT_LENGTH 0x0040
370#define REV_A_CODE_MEMORY_LENGTH (REV_A_CODE_MEMORY_END - REV_A_CODE_MEMORY_BEGIN + 1)
371
372#define REV_B_CODE_MEMORY_BEGIN 0x0000
373#define REV_B_CODE_MEMORY_END 0x0BFF
374#define REV_B_CODE_MEMORY_UNIT_LENGTH 0x0040
375#define REV_B_CODE_MEMORY_LENGTH (REV_B_CODE_MEMORY_END - REV_B_CODE_MEMORY_BEGIN + 1)
376
377#define REV_A_DATA_MEMORY_BEGIN 0x1000
378#define REV_A_DATA_MEMORY_END 0x2FFF
379#define REV_A_DATA_MEMORY_UNIT_LENGTH 0x0080
380#define REV_A_DATA_MEMORY_LENGTH (REV_A_DATA_MEMORY_END - REV_A_DATA_MEMORY_BEGIN + 1)
381
382#define REV_B_DATA_MEMORY_BEGIN 0x1000
383#define REV_B_DATA_MEMORY_END 0x2BFF
384#define REV_B_DATA_MEMORY_UNIT_LENGTH 0x0080
385#define REV_B_DATA_MEMORY_LENGTH (REV_B_DATA_MEMORY_END - REV_B_DATA_MEMORY_BEGIN + 1)
386
387
388#define NUM_UNITS_KERNEL_CODE 16
389#define NUM_UNITS_KERNEL_DATA 2
390
391#define NUM_UNITS_KERNEL_CODE_WITH_HSP 16
392#define NUM_UNITS_KERNEL_DATA_WITH_HSP 5
393
394/*
395 * Kernel data layout
396 */
397
398#define DP_SHIFT_COUNT 7
399
400#define KDATA_BASE_ADDR 0x1000
401#define KDATA_BASE_ADDR2 0x1080
402
403#define KDATA_TASK0 (KDATA_BASE_ADDR + 0x0000)
404#define KDATA_TASK1 (KDATA_BASE_ADDR + 0x0001)
405#define KDATA_TASK2 (KDATA_BASE_ADDR + 0x0002)
406#define KDATA_TASK3 (KDATA_BASE_ADDR + 0x0003)
407#define KDATA_TASK4 (KDATA_BASE_ADDR + 0x0004)
408#define KDATA_TASK5 (KDATA_BASE_ADDR + 0x0005)
409#define KDATA_TASK6 (KDATA_BASE_ADDR + 0x0006)
410#define KDATA_TASK7 (KDATA_BASE_ADDR + 0x0007)
411#define KDATA_TASK_ENDMARK (KDATA_BASE_ADDR + 0x0008)
412
413#define KDATA_CURRENT_TASK (KDATA_BASE_ADDR + 0x0009)
414#define KDATA_TASK_SWITCH (KDATA_BASE_ADDR + 0x000A)
415
416#define KDATA_INSTANCE0_POS3D (KDATA_BASE_ADDR + 0x000B)
417#define KDATA_INSTANCE1_POS3D (KDATA_BASE_ADDR + 0x000C)
418#define KDATA_INSTANCE2_POS3D (KDATA_BASE_ADDR + 0x000D)
419#define KDATA_INSTANCE3_POS3D (KDATA_BASE_ADDR + 0x000E)
420#define KDATA_INSTANCE4_POS3D (KDATA_BASE_ADDR + 0x000F)
421#define KDATA_INSTANCE5_POS3D (KDATA_BASE_ADDR + 0x0010)
422#define KDATA_INSTANCE6_POS3D (KDATA_BASE_ADDR + 0x0011)
423#define KDATA_INSTANCE7_POS3D (KDATA_BASE_ADDR + 0x0012)
424#define KDATA_INSTANCE8_POS3D (KDATA_BASE_ADDR + 0x0013)
425#define KDATA_INSTANCE_POS3D_ENDMARK (KDATA_BASE_ADDR + 0x0014)
426
427#define KDATA_INSTANCE0_SPKVIRT (KDATA_BASE_ADDR + 0x0015)
428#define KDATA_INSTANCE_SPKVIRT_ENDMARK (KDATA_BASE_ADDR + 0x0016)
429
430#define KDATA_INSTANCE0_SPDIF (KDATA_BASE_ADDR + 0x0017)
431#define KDATA_INSTANCE_SPDIF_ENDMARK (KDATA_BASE_ADDR + 0x0018)
432
433#define KDATA_INSTANCE0_MODEM (KDATA_BASE_ADDR + 0x0019)
434#define KDATA_INSTANCE_MODEM_ENDMARK (KDATA_BASE_ADDR + 0x001A)
435
436#define KDATA_INSTANCE0_SRC (KDATA_BASE_ADDR + 0x001B)
437#define KDATA_INSTANCE1_SRC (KDATA_BASE_ADDR + 0x001C)
438#define KDATA_INSTANCE_SRC_ENDMARK (KDATA_BASE_ADDR + 0x001D)
439
440#define KDATA_INSTANCE0_MINISRC (KDATA_BASE_ADDR + 0x001E)
441#define KDATA_INSTANCE1_MINISRC (KDATA_BASE_ADDR + 0x001F)
442#define KDATA_INSTANCE2_MINISRC (KDATA_BASE_ADDR + 0x0020)
443#define KDATA_INSTANCE3_MINISRC (KDATA_BASE_ADDR + 0x0021)
444#define KDATA_INSTANCE_MINISRC_ENDMARK (KDATA_BASE_ADDR + 0x0022)
445
446#define KDATA_INSTANCE0_CPYTHRU (KDATA_BASE_ADDR + 0x0023)
447#define KDATA_INSTANCE1_CPYTHRU (KDATA_BASE_ADDR + 0x0024)
448#define KDATA_INSTANCE_CPYTHRU_ENDMARK (KDATA_BASE_ADDR + 0x0025)
449
450#define KDATA_CURRENT_DMA (KDATA_BASE_ADDR + 0x0026)
451#define KDATA_DMA_SWITCH (KDATA_BASE_ADDR + 0x0027)
452#define KDATA_DMA_ACTIVE (KDATA_BASE_ADDR + 0x0028)
453
454#define KDATA_DMA_XFER0 (KDATA_BASE_ADDR + 0x0029)
455#define KDATA_DMA_XFER1 (KDATA_BASE_ADDR + 0x002A)
456#define KDATA_DMA_XFER2 (KDATA_BASE_ADDR + 0x002B)
457#define KDATA_DMA_XFER3 (KDATA_BASE_ADDR + 0x002C)
458#define KDATA_DMA_XFER4 (KDATA_BASE_ADDR + 0x002D)
459#define KDATA_DMA_XFER5 (KDATA_BASE_ADDR + 0x002E)
460#define KDATA_DMA_XFER6 (KDATA_BASE_ADDR + 0x002F)
461#define KDATA_DMA_XFER7 (KDATA_BASE_ADDR + 0x0030)
462#define KDATA_DMA_XFER8 (KDATA_BASE_ADDR + 0x0031)
463#define KDATA_DMA_XFER_ENDMARK (KDATA_BASE_ADDR + 0x0032)
464
465#define KDATA_I2S_SAMPLE_COUNT (KDATA_BASE_ADDR + 0x0033)
466#define KDATA_I2S_INT_METER (KDATA_BASE_ADDR + 0x0034)
467#define KDATA_I2S_ACTIVE (KDATA_BASE_ADDR + 0x0035)
468
469#define KDATA_TIMER_COUNT_RELOAD (KDATA_BASE_ADDR + 0x0036)
470#define KDATA_TIMER_COUNT_CURRENT (KDATA_BASE_ADDR + 0x0037)
471
472#define KDATA_HALT_SYNCH_CLIENT (KDATA_BASE_ADDR + 0x0038)
473#define KDATA_HALT_SYNCH_DMA (KDATA_BASE_ADDR + 0x0039)
474#define KDATA_HALT_ACKNOWLEDGE (KDATA_BASE_ADDR + 0x003A)
475
476#define KDATA_ADC1_XFER0 (KDATA_BASE_ADDR + 0x003B)
477#define KDATA_ADC1_XFER_ENDMARK (KDATA_BASE_ADDR + 0x003C)
478#define KDATA_ADC1_LEFT_VOLUME (KDATA_BASE_ADDR + 0x003D)
479#define KDATA_ADC1_RIGHT_VOLUME (KDATA_BASE_ADDR + 0x003E)
480#define KDATA_ADC1_LEFT_SUR_VOL (KDATA_BASE_ADDR + 0x003F)
481#define KDATA_ADC1_RIGHT_SUR_VOL (KDATA_BASE_ADDR + 0x0040)
482
483#define KDATA_ADC2_XFER0 (KDATA_BASE_ADDR + 0x0041)
484#define KDATA_ADC2_XFER_ENDMARK (KDATA_BASE_ADDR + 0x0042)
485#define KDATA_ADC2_LEFT_VOLUME (KDATA_BASE_ADDR + 0x0043)
486#define KDATA_ADC2_RIGHT_VOLUME (KDATA_BASE_ADDR + 0x0044)
487#define KDATA_ADC2_LEFT_SUR_VOL (KDATA_BASE_ADDR + 0x0045)
488#define KDATA_ADC2_RIGHT_SUR_VOL (KDATA_BASE_ADDR + 0x0046)
489
490#define KDATA_CD_XFER0 (KDATA_BASE_ADDR + 0x0047)
491#define KDATA_CD_XFER_ENDMARK (KDATA_BASE_ADDR + 0x0048)
492#define KDATA_CD_LEFT_VOLUME (KDATA_BASE_ADDR + 0x0049)
493#define KDATA_CD_RIGHT_VOLUME (KDATA_BASE_ADDR + 0x004A)
494#define KDATA_CD_LEFT_SUR_VOL (KDATA_BASE_ADDR + 0x004B)
495#define KDATA_CD_RIGHT_SUR_VOL (KDATA_BASE_ADDR + 0x004C)
496
497#define KDATA_MIC_XFER0 (KDATA_BASE_ADDR + 0x004D)
498#define KDATA_MIC_XFER_ENDMARK (KDATA_BASE_ADDR + 0x004E)
499#define KDATA_MIC_VOLUME (KDATA_BASE_ADDR + 0x004F)
500#define KDATA_MIC_SUR_VOL (KDATA_BASE_ADDR + 0x0050)
501
502#define KDATA_I2S_XFER0 (KDATA_BASE_ADDR + 0x0051)
503#define KDATA_I2S_XFER_ENDMARK (KDATA_BASE_ADDR + 0x0052)
504
505#define KDATA_CHI_XFER0 (KDATA_BASE_ADDR + 0x0053)
506#define KDATA_CHI_XFER_ENDMARK (KDATA_BASE_ADDR + 0x0054)
507
508#define KDATA_SPDIF_XFER (KDATA_BASE_ADDR + 0x0055)
509#define KDATA_SPDIF_CURRENT_FRAME (KDATA_BASE_ADDR + 0x0056)
510#define KDATA_SPDIF_FRAME0 (KDATA_BASE_ADDR + 0x0057)
511#define KDATA_SPDIF_FRAME1 (KDATA_BASE_ADDR + 0x0058)
512#define KDATA_SPDIF_FRAME2 (KDATA_BASE_ADDR + 0x0059)
513
514#define KDATA_SPDIF_REQUEST (KDATA_BASE_ADDR + 0x005A)
515#define KDATA_SPDIF_TEMP (KDATA_BASE_ADDR + 0x005B)
516
517#define KDATA_SPDIFIN_XFER0 (KDATA_BASE_ADDR + 0x005C)
518#define KDATA_SPDIFIN_XFER_ENDMARK (KDATA_BASE_ADDR + 0x005D)
519#define KDATA_SPDIFIN_INT_METER (KDATA_BASE_ADDR + 0x005E)
520
521#define KDATA_DSP_RESET_COUNT (KDATA_BASE_ADDR + 0x005F)
522#define KDATA_DEBUG_OUTPUT (KDATA_BASE_ADDR + 0x0060)
523
524#define KDATA_KERNEL_ISR_LIST (KDATA_BASE_ADDR + 0x0061)
525
526#define KDATA_KERNEL_ISR_CBSR1 (KDATA_BASE_ADDR + 0x0062)
527#define KDATA_KERNEL_ISR_CBER1 (KDATA_BASE_ADDR + 0x0063)
528#define KDATA_KERNEL_ISR_CBCR (KDATA_BASE_ADDR + 0x0064)
529#define KDATA_KERNEL_ISR_AR0 (KDATA_BASE_ADDR + 0x0065)
530#define KDATA_KERNEL_ISR_AR1 (KDATA_BASE_ADDR + 0x0066)
531#define KDATA_KERNEL_ISR_AR2 (KDATA_BASE_ADDR + 0x0067)
532#define KDATA_KERNEL_ISR_AR3 (KDATA_BASE_ADDR + 0x0068)
533#define KDATA_KERNEL_ISR_AR4 (KDATA_BASE_ADDR + 0x0069)
534#define KDATA_KERNEL_ISR_AR5 (KDATA_BASE_ADDR + 0x006A)
535#define KDATA_KERNEL_ISR_BRCR (KDATA_BASE_ADDR + 0x006B)
536#define KDATA_KERNEL_ISR_PASR (KDATA_BASE_ADDR + 0x006C)
537#define KDATA_KERNEL_ISR_PAER (KDATA_BASE_ADDR + 0x006D)
538
539#define KDATA_CLIENT_SCRATCH0 (KDATA_BASE_ADDR + 0x006E)
540#define KDATA_CLIENT_SCRATCH1 (KDATA_BASE_ADDR + 0x006F)
541#define KDATA_KERNEL_SCRATCH (KDATA_BASE_ADDR + 0x0070)
542#define KDATA_KERNEL_ISR_SCRATCH (KDATA_BASE_ADDR + 0x0071)
543
544#define KDATA_OUEUE_LEFT (KDATA_BASE_ADDR + 0x0072)
545#define KDATA_QUEUE_RIGHT (KDATA_BASE_ADDR + 0x0073)
546
547#define KDATA_ADC1_REQUEST (KDATA_BASE_ADDR + 0x0074)
548#define KDATA_ADC2_REQUEST (KDATA_BASE_ADDR + 0x0075)
549#define KDATA_CD_REQUEST (KDATA_BASE_ADDR + 0x0076)
550#define KDATA_MIC_REQUEST (KDATA_BASE_ADDR + 0x0077)
551
552#define KDATA_ADC1_MIXER_REQUEST (KDATA_BASE_ADDR + 0x0078)
553#define KDATA_ADC2_MIXER_REQUEST (KDATA_BASE_ADDR + 0x0079)
554#define KDATA_CD_MIXER_REQUEST (KDATA_BASE_ADDR + 0x007A)
555#define KDATA_MIC_MIXER_REQUEST (KDATA_BASE_ADDR + 0x007B)
556#define KDATA_MIC_SYNC_COUNTER (KDATA_BASE_ADDR + 0x007C)
557
558/*
559 * second 'segment' (?) reserved for mixer
560 * buffers..
561 */
562
563#define KDATA_MIXER_WORD0 (KDATA_BASE_ADDR2 + 0x0000)
564#define KDATA_MIXER_WORD1 (KDATA_BASE_ADDR2 + 0x0001)
565#define KDATA_MIXER_WORD2 (KDATA_BASE_ADDR2 + 0x0002)
566#define KDATA_MIXER_WORD3 (KDATA_BASE_ADDR2 + 0x0003)
567#define KDATA_MIXER_WORD4 (KDATA_BASE_ADDR2 + 0x0004)
568#define KDATA_MIXER_WORD5 (KDATA_BASE_ADDR2 + 0x0005)
569#define KDATA_MIXER_WORD6 (KDATA_BASE_ADDR2 + 0x0006)
570#define KDATA_MIXER_WORD7 (KDATA_BASE_ADDR2 + 0x0007)
571#define KDATA_MIXER_WORD8 (KDATA_BASE_ADDR2 + 0x0008)
572#define KDATA_MIXER_WORD9 (KDATA_BASE_ADDR2 + 0x0009)
573#define KDATA_MIXER_WORDA (KDATA_BASE_ADDR2 + 0x000A)
574#define KDATA_MIXER_WORDB (KDATA_BASE_ADDR2 + 0x000B)
575#define KDATA_MIXER_WORDC (KDATA_BASE_ADDR2 + 0x000C)
576#define KDATA_MIXER_WORDD (KDATA_BASE_ADDR2 + 0x000D)
577#define KDATA_MIXER_WORDE (KDATA_BASE_ADDR2 + 0x000E)
578#define KDATA_MIXER_WORDF (KDATA_BASE_ADDR2 + 0x000F)
579
580#define KDATA_MIXER_XFER0 (KDATA_BASE_ADDR2 + 0x0010)
581#define KDATA_MIXER_XFER1 (KDATA_BASE_ADDR2 + 0x0011)
582#define KDATA_MIXER_XFER2 (KDATA_BASE_ADDR2 + 0x0012)
583#define KDATA_MIXER_XFER3 (KDATA_BASE_ADDR2 + 0x0013)
584#define KDATA_MIXER_XFER4 (KDATA_BASE_ADDR2 + 0x0014)
585#define KDATA_MIXER_XFER5 (KDATA_BASE_ADDR2 + 0x0015)
586#define KDATA_MIXER_XFER6 (KDATA_BASE_ADDR2 + 0x0016)
587#define KDATA_MIXER_XFER7 (KDATA_BASE_ADDR2 + 0x0017)
588#define KDATA_MIXER_XFER8 (KDATA_BASE_ADDR2 + 0x0018)
589#define KDATA_MIXER_XFER9 (KDATA_BASE_ADDR2 + 0x0019)
590#define KDATA_MIXER_XFER_ENDMARK (KDATA_BASE_ADDR2 + 0x001A)
591
592#define KDATA_MIXER_TASK_NUMBER (KDATA_BASE_ADDR2 + 0x001B)
593#define KDATA_CURRENT_MIXER (KDATA_BASE_ADDR2 + 0x001C)
594#define KDATA_MIXER_ACTIVE (KDATA_BASE_ADDR2 + 0x001D)
595#define KDATA_MIXER_BANK_STATUS (KDATA_BASE_ADDR2 + 0x001E)
596#define KDATA_DAC_LEFT_VOLUME (KDATA_BASE_ADDR2 + 0x001F)
597#define KDATA_DAC_RIGHT_VOLUME (KDATA_BASE_ADDR2 + 0x0020)
598
599#define MAX_INSTANCE_MINISRC (KDATA_INSTANCE_MINISRC_ENDMARK - KDATA_INSTANCE0_MINISRC)
600#define MAX_VIRTUAL_DMA_CHANNELS (KDATA_DMA_XFER_ENDMARK - KDATA_DMA_XFER0)
601#define MAX_VIRTUAL_MIXER_CHANNELS (KDATA_MIXER_XFER_ENDMARK - KDATA_MIXER_XFER0)
602#define MAX_VIRTUAL_ADC1_CHANNELS (KDATA_ADC1_XFER_ENDMARK - KDATA_ADC1_XFER0)
603
604/*
605 * client data area offsets
606 */
607#define CDATA_INSTANCE_READY 0x00
608
609#define CDATA_HOST_SRC_ADDRL 0x01
610#define CDATA_HOST_SRC_ADDRH 0x02
611#define CDATA_HOST_SRC_END_PLUS_1L 0x03
612#define CDATA_HOST_SRC_END_PLUS_1H 0x04
613#define CDATA_HOST_SRC_CURRENTL 0x05
614#define CDATA_HOST_SRC_CURRENTH 0x06
615
616#define CDATA_IN_BUF_CONNECT 0x07
617#define CDATA_OUT_BUF_CONNECT 0x08
618
619#define CDATA_IN_BUF_BEGIN 0x09
620#define CDATA_IN_BUF_END_PLUS_1 0x0A
621#define CDATA_IN_BUF_HEAD 0x0B
622#define CDATA_IN_BUF_TAIL 0x0C
623#define CDATA_OUT_BUF_BEGIN 0x0D
624#define CDATA_OUT_BUF_END_PLUS_1 0x0E
625#define CDATA_OUT_BUF_HEAD 0x0F
626#define CDATA_OUT_BUF_TAIL 0x10
627
628#define CDATA_DMA_CONTROL 0x11
629#define CDATA_RESERVED 0x12
630
631#define CDATA_FREQUENCY 0x13
632#define CDATA_LEFT_VOLUME 0x14
633#define CDATA_RIGHT_VOLUME 0x15
634#define CDATA_LEFT_SUR_VOL 0x16
635#define CDATA_RIGHT_SUR_VOL 0x17
636
637#define CDATA_HEADER_LEN 0x18
638
639#define SRC3_DIRECTION_OFFSET CDATA_HEADER_LEN
640#define SRC3_MODE_OFFSET (CDATA_HEADER_LEN + 1)
641#define SRC3_WORD_LENGTH_OFFSET (CDATA_HEADER_LEN + 2)
642#define SRC3_PARAMETER_OFFSET (CDATA_HEADER_LEN + 3)
643#define SRC3_COEFF_ADDR_OFFSET (CDATA_HEADER_LEN + 8)
644#define SRC3_FILTAP_ADDR_OFFSET (CDATA_HEADER_LEN + 10)
645#define SRC3_TEMP_INBUF_ADDR_OFFSET (CDATA_HEADER_LEN + 16)
646#define SRC3_TEMP_OUTBUF_ADDR_OFFSET (CDATA_HEADER_LEN + 17)
647
648#define MINISRC_IN_BUFFER_SIZE ( 0x50 * 2 )
649#define MINISRC_OUT_BUFFER_SIZE ( 0x50 * 2 * 2)
650#define MINISRC_TMP_BUFFER_SIZE ( 112 + ( MINISRC_BIQUAD_STAGE * 3 + 4 ) * 2 * 2 )
651#define MINISRC_BIQUAD_STAGE 2
652#define MINISRC_COEF_LOC 0x175
653
654#define DMACONTROL_BLOCK_MASK 0x000F
655#define DMAC_BLOCK0_SELECTOR 0x0000
656#define DMAC_BLOCK1_SELECTOR 0x0001
657#define DMAC_BLOCK2_SELECTOR 0x0002
658#define DMAC_BLOCK3_SELECTOR 0x0003
659#define DMAC_BLOCK4_SELECTOR 0x0004
660#define DMAC_BLOCK5_SELECTOR 0x0005
661#define DMAC_BLOCK6_SELECTOR 0x0006
662#define DMAC_BLOCK7_SELECTOR 0x0007
663#define DMAC_BLOCK8_SELECTOR 0x0008
664#define DMAC_BLOCK9_SELECTOR 0x0009
665#define DMAC_BLOCKA_SELECTOR 0x000A
666#define DMAC_BLOCKB_SELECTOR 0x000B
667#define DMAC_BLOCKC_SELECTOR 0x000C
668#define DMAC_BLOCKD_SELECTOR 0x000D
669#define DMAC_BLOCKE_SELECTOR 0x000E
670#define DMAC_BLOCKF_SELECTOR 0x000F
671#define DMACONTROL_PAGE_MASK 0x00F0
672#define DMAC_PAGE0_SELECTOR 0x0030
673#define DMAC_PAGE1_SELECTOR 0x0020
674#define DMAC_PAGE2_SELECTOR 0x0010
675#define DMAC_PAGE3_SELECTOR 0x0000
676#define DMACONTROL_AUTOREPEAT 0x1000
677#define DMACONTROL_STOPPED 0x2000
678#define DMACONTROL_DIRECTION 0x0100
679
680/*
681 * an arbitrary volume we set the internal
682 * volume settings to so that the ac97 volume
683 * range is a little less insane. 0x7fff is
684 * max.
685 */
686#define ARB_VOLUME ( 0x6800 )
687
688/*
689 */
690
691struct m3_list {
692 int curlen;
693 int mem_addr;
694 int max;
695};
696
697struct m3_dma {
698
699 int number;
700 struct snd_pcm_substream *substream;
701
702 struct assp_instance {
703 unsigned short code, data;
704 } inst;
705
706 int running;
707 int opened;
708
709 unsigned long buffer_addr;
710 int dma_size;
711 int period_size;
712 unsigned int hwptr;
713 int count;
714
715 int index[3];
716 struct m3_list *index_list[3];
717
718 int in_lists;
719
720 struct list_head list;
721
722};
723
724struct snd_m3 {
725
726 struct snd_card *card;
727
728 unsigned long iobase;
729
730 int irq;
731 unsigned int allegro_flag : 1;
732
733 struct snd_ac97 *ac97;
734
735 struct snd_pcm *pcm;
736
737 struct pci_dev *pci;
738
739 int dacs_active;
740 int timer_users;
741
742 struct m3_list msrc_list;
743 struct m3_list mixer_list;
744 struct m3_list adc1_list;
745 struct m3_list dma_list;
746
747 /* for storing reset state..*/
748 u8 reset_state;
749
750 int external_amp;
751 int amp_gpio; /* gpio pin # for external amp, -1 = default */
752 unsigned int hv_config; /* hardware-volume config bits */
753 unsigned irda_workaround :1; /* avoid to touch 0x10 on GPIO_DIRECTION
754 (e.g. for IrDA on Dell Inspirons) */
755 unsigned is_omnibook :1; /* Do HP OmniBook GPIO magic? */
756
757 /* midi */
758 struct snd_rawmidi *rmidi;
759
760 /* pcm streams */
761 int num_substreams;
762 struct m3_dma *substreams;
763
764 spinlock_t reg_lock;
765
766#ifdef CONFIG_SND_MAESTRO3_INPUT
767 struct input_dev *input_dev;
768 char phys[64]; /* physical device path */
769#else
770 struct snd_kcontrol *master_switch;
771 struct snd_kcontrol *master_volume;
772#endif
773 struct work_struct hwvol_work;
774
775 unsigned int in_suspend;
776
777#ifdef CONFIG_PM_SLEEP
778 u16 *suspend_mem;
779#endif
780
781 const struct firmware *assp_kernel_image;
782 const struct firmware *assp_minisrc_image;
783};
784
785/*
786 * pci ids
787 */
788static const struct pci_device_id snd_m3_ids[] = {
789 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ALLEGRO_1, PCI_ANY_ID, PCI_ANY_ID,
790 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
791 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ALLEGRO, PCI_ANY_ID, PCI_ANY_ID,
792 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
793 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_CANYON3D_2LE, PCI_ANY_ID, PCI_ANY_ID,
794 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
795 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_CANYON3D_2, PCI_ANY_ID, PCI_ANY_ID,
796 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
797 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3, PCI_ANY_ID, PCI_ANY_ID,
798 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
799 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_1, PCI_ANY_ID, PCI_ANY_ID,
800 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
801 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_HW, PCI_ANY_ID, PCI_ANY_ID,
802 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
803 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_2, PCI_ANY_ID, PCI_ANY_ID,
804 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
805 {0,},
806};
807
808MODULE_DEVICE_TABLE(pci, snd_m3_ids);
809
810static const struct snd_pci_quirk m3_amp_quirk_list[] = {
811 SND_PCI_QUIRK(0x0E11, 0x0094, "Compaq Evo N600c", 0x0c),
812 SND_PCI_QUIRK(0x10f7, 0x833e, "Panasonic CF-28", 0x0d),
813 SND_PCI_QUIRK(0x10f7, 0x833d, "Panasonic CF-72", 0x0d),
814 SND_PCI_QUIRK(0x1033, 0x80f1, "NEC LM800J/7", 0x03),
815 SND_PCI_QUIRK(0x1509, 0x1740, "LEGEND ZhaoYang 3100CF", 0x03),
816 { } /* END */
817};
818
819static const struct snd_pci_quirk m3_irda_quirk_list[] = {
820 SND_PCI_QUIRK(0x1028, 0x00b0, "Dell Inspiron 4000", 1),
821 SND_PCI_QUIRK(0x1028, 0x00a4, "Dell Inspiron 8000", 1),
822 SND_PCI_QUIRK(0x1028, 0x00e6, "Dell Inspiron 8100", 1),
823 { } /* END */
824};
825
826/* hardware volume quirks */
827static const struct snd_pci_quirk m3_hv_quirk_list[] = {
828 /* Allegro chips */
829 SND_PCI_QUIRK(0x0E11, 0x002E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
830 SND_PCI_QUIRK(0x0E11, 0x0094, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
831 SND_PCI_QUIRK(0x0E11, 0xB112, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
832 SND_PCI_QUIRK(0x0E11, 0xB114, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
833 SND_PCI_QUIRK(0x103C, 0x0012, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
834 SND_PCI_QUIRK(0x103C, 0x0018, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
835 SND_PCI_QUIRK(0x103C, 0x001C, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
836 SND_PCI_QUIRK(0x103C, 0x001D, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
837 SND_PCI_QUIRK(0x103C, 0x001E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
838 SND_PCI_QUIRK(0x107B, 0x3350, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
839 SND_PCI_QUIRK(0x10F7, 0x8338, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
840 SND_PCI_QUIRK(0x10F7, 0x833C, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
841 SND_PCI_QUIRK(0x10F7, 0x833D, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
842 SND_PCI_QUIRK(0x10F7, 0x833E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
843 SND_PCI_QUIRK(0x10F7, 0x833F, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
844 SND_PCI_QUIRK(0x13BD, 0x1018, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
845 SND_PCI_QUIRK(0x13BD, 0x1019, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
846 SND_PCI_QUIRK(0x13BD, 0x101A, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
847 SND_PCI_QUIRK(0x14FF, 0x0F03, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
848 SND_PCI_QUIRK(0x14FF, 0x0F04, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
849 SND_PCI_QUIRK(0x14FF, 0x0F05, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
850 SND_PCI_QUIRK(0x156D, 0xB400, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
851 SND_PCI_QUIRK(0x156D, 0xB795, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
852 SND_PCI_QUIRK(0x156D, 0xB797, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
853 SND_PCI_QUIRK(0x156D, 0xC700, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
854 SND_PCI_QUIRK(0x1033, 0x80F1, NULL,
855 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
856 SND_PCI_QUIRK(0x103C, 0x001A, NULL, /* HP OmniBook 6100 */
857 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
858 SND_PCI_QUIRK(0x107B, 0x340A, NULL,
859 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
860 SND_PCI_QUIRK(0x107B, 0x3450, NULL,
861 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
862 SND_PCI_QUIRK(0x109F, 0x3134, NULL,
863 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
864 SND_PCI_QUIRK(0x109F, 0x3161, NULL,
865 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
866 SND_PCI_QUIRK(0x144D, 0x3280, NULL,
867 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
868 SND_PCI_QUIRK(0x144D, 0x3281, NULL,
869 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
870 SND_PCI_QUIRK(0x144D, 0xC002, NULL,
871 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
872 SND_PCI_QUIRK(0x144D, 0xC003, NULL,
873 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
874 SND_PCI_QUIRK(0x1509, 0x1740, NULL,
875 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
876 SND_PCI_QUIRK(0x1610, 0x0010, NULL,
877 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
878 SND_PCI_QUIRK(0x1042, 0x1042, NULL, HV_CTRL_ENABLE),
879 SND_PCI_QUIRK(0x107B, 0x9500, NULL, HV_CTRL_ENABLE),
880 SND_PCI_QUIRK(0x14FF, 0x0F06, NULL, HV_CTRL_ENABLE),
881 SND_PCI_QUIRK(0x1558, 0x8586, NULL, HV_CTRL_ENABLE),
882 SND_PCI_QUIRK(0x161F, 0x2011, NULL, HV_CTRL_ENABLE),
883 /* Maestro3 chips */
884 SND_PCI_QUIRK(0x103C, 0x000E, NULL, HV_CTRL_ENABLE),
885 SND_PCI_QUIRK(0x103C, 0x0010, NULL, HV_CTRL_ENABLE),
886 SND_PCI_QUIRK(0x103C, 0x0011, NULL, HV_CTRL_ENABLE),
887 SND_PCI_QUIRK(0x103C, 0x001B, NULL, HV_CTRL_ENABLE),
888 SND_PCI_QUIRK(0x104D, 0x80A6, NULL, HV_CTRL_ENABLE),
889 SND_PCI_QUIRK(0x104D, 0x80AA, NULL, HV_CTRL_ENABLE),
890 SND_PCI_QUIRK(0x107B, 0x5300, NULL, HV_CTRL_ENABLE),
891 SND_PCI_QUIRK(0x110A, 0x1998, NULL, HV_CTRL_ENABLE),
892 SND_PCI_QUIRK(0x13BD, 0x1015, NULL, HV_CTRL_ENABLE),
893 SND_PCI_QUIRK(0x13BD, 0x101C, NULL, HV_CTRL_ENABLE),
894 SND_PCI_QUIRK(0x13BD, 0x1802, NULL, HV_CTRL_ENABLE),
895 SND_PCI_QUIRK(0x1599, 0x0715, NULL, HV_CTRL_ENABLE),
896 SND_PCI_QUIRK(0x5643, 0x5643, NULL, HV_CTRL_ENABLE),
897 SND_PCI_QUIRK(0x144D, 0x3260, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
898 SND_PCI_QUIRK(0x144D, 0x3261, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
899 SND_PCI_QUIRK(0x144D, 0xC000, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
900 SND_PCI_QUIRK(0x144D, 0xC001, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
901 { } /* END */
902};
903
904/* HP Omnibook quirks */
905static const struct snd_pci_quirk m3_omnibook_quirk_list[] = {
906 SND_PCI_QUIRK_ID(0x103c, 0x0010), /* HP OmniBook 6000 */
907 SND_PCI_QUIRK_ID(0x103c, 0x0011), /* HP OmniBook 500 */
908 { } /* END */
909};
910
911/*
912 * lowlevel functions
913 */
914
915static inline void snd_m3_outw(struct snd_m3 *chip, u16 value, unsigned long reg)
916{
917 outw(value, chip->iobase + reg);
918}
919
920static inline u16 snd_m3_inw(struct snd_m3 *chip, unsigned long reg)
921{
922 return inw(chip->iobase + reg);
923}
924
925static inline void snd_m3_outb(struct snd_m3 *chip, u8 value, unsigned long reg)
926{
927 outb(value, chip->iobase + reg);
928}
929
930static inline u8 snd_m3_inb(struct snd_m3 *chip, unsigned long reg)
931{
932 return inb(chip->iobase + reg);
933}
934
935/*
936 * access 16bit words to the code or data regions of the dsp's memory.
937 * index addresses 16bit words.
938 */
939static u16 snd_m3_assp_read(struct snd_m3 *chip, u16 region, u16 index)
940{
941 snd_m3_outw(chip, region & MEMTYPE_MASK, DSP_PORT_MEMORY_TYPE);
942 snd_m3_outw(chip, index, DSP_PORT_MEMORY_INDEX);
943 return snd_m3_inw(chip, DSP_PORT_MEMORY_DATA);
944}
945
946static void snd_m3_assp_write(struct snd_m3 *chip, u16 region, u16 index, u16 data)
947{
948 snd_m3_outw(chip, region & MEMTYPE_MASK, DSP_PORT_MEMORY_TYPE);
949 snd_m3_outw(chip, index, DSP_PORT_MEMORY_INDEX);
950 snd_m3_outw(chip, data, DSP_PORT_MEMORY_DATA);
951}
952
953static void snd_m3_assp_halt(struct snd_m3 *chip)
954{
955 chip->reset_state = snd_m3_inb(chip, DSP_PORT_CONTROL_REG_B) & ~REGB_STOP_CLOCK;
956 msleep(10);
957 snd_m3_outb(chip, chip->reset_state & ~REGB_ENABLE_RESET, DSP_PORT_CONTROL_REG_B);
958}
959
960static void snd_m3_assp_continue(struct snd_m3 *chip)
961{
962 snd_m3_outb(chip, chip->reset_state | REGB_ENABLE_RESET, DSP_PORT_CONTROL_REG_B);
963}
964
965
966/*
967 * This makes me sad. the maestro3 has lists
968 * internally that must be packed.. 0 terminates,
969 * apparently, or maybe all unused entries have
970 * to be 0, the lists have static lengths set
971 * by the binary code images.
972 */
973
974static int snd_m3_add_list(struct snd_m3 *chip, struct m3_list *list, u16 val)
975{
976 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
977 list->mem_addr + list->curlen,
978 val);
979 return list->curlen++;
980}
981
982static void snd_m3_remove_list(struct snd_m3 *chip, struct m3_list *list, int index)
983{
984 u16 val;
985 int lastindex = list->curlen - 1;
986
987 if (index != lastindex) {
988 val = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
989 list->mem_addr + lastindex);
990 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
991 list->mem_addr + index,
992 val);
993 }
994
995 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
996 list->mem_addr + lastindex,
997 0);
998
999 list->curlen--;
1000}
1001
1002static void snd_m3_inc_timer_users(struct snd_m3 *chip)
1003{
1004 chip->timer_users++;
1005 if (chip->timer_users != 1)
1006 return;
1007
1008 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1009 KDATA_TIMER_COUNT_RELOAD,
1010 240);
1011
1012 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1013 KDATA_TIMER_COUNT_CURRENT,
1014 240);
1015
1016 snd_m3_outw(chip,
1017 snd_m3_inw(chip, HOST_INT_CTRL) | CLKRUN_GEN_ENABLE,
1018 HOST_INT_CTRL);
1019}
1020
1021static void snd_m3_dec_timer_users(struct snd_m3 *chip)
1022{
1023 chip->timer_users--;
1024 if (chip->timer_users > 0)
1025 return;
1026
1027 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1028 KDATA_TIMER_COUNT_RELOAD,
1029 0);
1030
1031 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1032 KDATA_TIMER_COUNT_CURRENT,
1033 0);
1034
1035 snd_m3_outw(chip,
1036 snd_m3_inw(chip, HOST_INT_CTRL) & ~CLKRUN_GEN_ENABLE,
1037 HOST_INT_CTRL);
1038}
1039
1040/*
1041 * start/stop
1042 */
1043
1044/* spinlock held! */
1045static int snd_m3_pcm_start(struct snd_m3 *chip, struct m3_dma *s,
1046 struct snd_pcm_substream *subs)
1047{
1048 if (! s || ! subs)
1049 return -EINVAL;
1050
1051 snd_m3_inc_timer_users(chip);
1052 switch (subs->stream) {
1053 case SNDRV_PCM_STREAM_PLAYBACK:
1054 chip->dacs_active++;
1055 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1056 s->inst.data + CDATA_INSTANCE_READY, 1);
1057 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1058 KDATA_MIXER_TASK_NUMBER,
1059 chip->dacs_active);
1060 break;
1061 case SNDRV_PCM_STREAM_CAPTURE:
1062 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1063 KDATA_ADC1_REQUEST, 1);
1064 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1065 s->inst.data + CDATA_INSTANCE_READY, 1);
1066 break;
1067 }
1068 return 0;
1069}
1070
1071/* spinlock held! */
1072static int snd_m3_pcm_stop(struct snd_m3 *chip, struct m3_dma *s,
1073 struct snd_pcm_substream *subs)
1074{
1075 if (! s || ! subs)
1076 return -EINVAL;
1077
1078 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1079 s->inst.data + CDATA_INSTANCE_READY, 0);
1080 snd_m3_dec_timer_users(chip);
1081 switch (subs->stream) {
1082 case SNDRV_PCM_STREAM_PLAYBACK:
1083 chip->dacs_active--;
1084 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1085 KDATA_MIXER_TASK_NUMBER,
1086 chip->dacs_active);
1087 break;
1088 case SNDRV_PCM_STREAM_CAPTURE:
1089 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1090 KDATA_ADC1_REQUEST, 0);
1091 break;
1092 }
1093 return 0;
1094}
1095
1096static int
1097snd_m3_pcm_trigger(struct snd_pcm_substream *subs, int cmd)
1098{
1099 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1100 struct m3_dma *s = subs->runtime->private_data;
1101 int err = -EINVAL;
1102
1103 if (snd_BUG_ON(!s))
1104 return -ENXIO;
1105
1106 spin_lock(&chip->reg_lock);
1107 switch (cmd) {
1108 case SNDRV_PCM_TRIGGER_START:
1109 case SNDRV_PCM_TRIGGER_RESUME:
1110 if (s->running)
1111 err = -EBUSY;
1112 else {
1113 s->running = 1;
1114 err = snd_m3_pcm_start(chip, s, subs);
1115 }
1116 break;
1117 case SNDRV_PCM_TRIGGER_STOP:
1118 case SNDRV_PCM_TRIGGER_SUSPEND:
1119 if (! s->running)
1120 err = 0; /* should return error? */
1121 else {
1122 s->running = 0;
1123 err = snd_m3_pcm_stop(chip, s, subs);
1124 }
1125 break;
1126 }
1127 spin_unlock(&chip->reg_lock);
1128 return err;
1129}
1130
1131/*
1132 * setup
1133 */
1134static void
1135snd_m3_pcm_setup1(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1136{
1137 int dsp_in_size, dsp_out_size, dsp_in_buffer, dsp_out_buffer;
1138 struct snd_pcm_runtime *runtime = subs->runtime;
1139
1140 if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1141 dsp_in_size = MINISRC_IN_BUFFER_SIZE - (0x20 * 2);
1142 dsp_out_size = MINISRC_OUT_BUFFER_SIZE - (0x20 * 2);
1143 } else {
1144 dsp_in_size = MINISRC_IN_BUFFER_SIZE - (0x10 * 2);
1145 dsp_out_size = MINISRC_OUT_BUFFER_SIZE - (0x10 * 2);
1146 }
1147 dsp_in_buffer = s->inst.data + (MINISRC_TMP_BUFFER_SIZE / 2);
1148 dsp_out_buffer = dsp_in_buffer + (dsp_in_size / 2) + 1;
1149
1150 s->dma_size = frames_to_bytes(runtime, runtime->buffer_size);
1151 s->period_size = frames_to_bytes(runtime, runtime->period_size);
1152 s->hwptr = 0;
1153 s->count = 0;
1154
1155#define LO(x) ((x) & 0xffff)
1156#define HI(x) LO((x) >> 16)
1157
1158 /* host dma buffer pointers */
1159 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1160 s->inst.data + CDATA_HOST_SRC_ADDRL,
1161 LO(s->buffer_addr));
1162
1163 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1164 s->inst.data + CDATA_HOST_SRC_ADDRH,
1165 HI(s->buffer_addr));
1166
1167 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1168 s->inst.data + CDATA_HOST_SRC_END_PLUS_1L,
1169 LO(s->buffer_addr + s->dma_size));
1170
1171 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1172 s->inst.data + CDATA_HOST_SRC_END_PLUS_1H,
1173 HI(s->buffer_addr + s->dma_size));
1174
1175 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1176 s->inst.data + CDATA_HOST_SRC_CURRENTL,
1177 LO(s->buffer_addr));
1178
1179 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1180 s->inst.data + CDATA_HOST_SRC_CURRENTH,
1181 HI(s->buffer_addr));
1182#undef LO
1183#undef HI
1184
1185 /* dsp buffers */
1186
1187 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1188 s->inst.data + CDATA_IN_BUF_BEGIN,
1189 dsp_in_buffer);
1190
1191 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1192 s->inst.data + CDATA_IN_BUF_END_PLUS_1,
1193 dsp_in_buffer + (dsp_in_size / 2));
1194
1195 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1196 s->inst.data + CDATA_IN_BUF_HEAD,
1197 dsp_in_buffer);
1198
1199 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1200 s->inst.data + CDATA_IN_BUF_TAIL,
1201 dsp_in_buffer);
1202
1203 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1204 s->inst.data + CDATA_OUT_BUF_BEGIN,
1205 dsp_out_buffer);
1206
1207 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1208 s->inst.data + CDATA_OUT_BUF_END_PLUS_1,
1209 dsp_out_buffer + (dsp_out_size / 2));
1210
1211 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1212 s->inst.data + CDATA_OUT_BUF_HEAD,
1213 dsp_out_buffer);
1214
1215 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1216 s->inst.data + CDATA_OUT_BUF_TAIL,
1217 dsp_out_buffer);
1218}
1219
1220static void snd_m3_pcm_setup2(struct snd_m3 *chip, struct m3_dma *s,
1221 struct snd_pcm_runtime *runtime)
1222{
1223 u32 freq;
1224
1225 /*
1226 * put us in the lists if we're not already there
1227 */
1228 if (! s->in_lists) {
1229 s->index[0] = snd_m3_add_list(chip, s->index_list[0],
1230 s->inst.data >> DP_SHIFT_COUNT);
1231 s->index[1] = snd_m3_add_list(chip, s->index_list[1],
1232 s->inst.data >> DP_SHIFT_COUNT);
1233 s->index[2] = snd_m3_add_list(chip, s->index_list[2],
1234 s->inst.data >> DP_SHIFT_COUNT);
1235 s->in_lists = 1;
1236 }
1237
1238 /* write to 'mono' word */
1239 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1240 s->inst.data + SRC3_DIRECTION_OFFSET + 1,
1241 runtime->channels == 2 ? 0 : 1);
1242 /* write to '8bit' word */
1243 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1244 s->inst.data + SRC3_DIRECTION_OFFSET + 2,
1245 snd_pcm_format_width(runtime->format) == 16 ? 0 : 1);
1246
1247 /* set up dac/adc rate */
1248 freq = ((runtime->rate << 15) + 24000 ) / 48000;
1249 if (freq)
1250 freq--;
1251
1252 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1253 s->inst.data + CDATA_FREQUENCY,
1254 freq);
1255}
1256
1257
1258static const struct play_vals {
1259 u16 addr, val;
1260} pv[] = {
1261 {CDATA_LEFT_VOLUME, ARB_VOLUME},
1262 {CDATA_RIGHT_VOLUME, ARB_VOLUME},
1263 {SRC3_DIRECTION_OFFSET, 0} ,
1264 /* +1, +2 are stereo/16 bit */
1265 {SRC3_DIRECTION_OFFSET + 3, 0x0000}, /* fraction? */
1266 {SRC3_DIRECTION_OFFSET + 4, 0}, /* first l */
1267 {SRC3_DIRECTION_OFFSET + 5, 0}, /* first r */
1268 {SRC3_DIRECTION_OFFSET + 6, 0}, /* second l */
1269 {SRC3_DIRECTION_OFFSET + 7, 0}, /* second r */
1270 {SRC3_DIRECTION_OFFSET + 8, 0}, /* delta l */
1271 {SRC3_DIRECTION_OFFSET + 9, 0}, /* delta r */
1272 {SRC3_DIRECTION_OFFSET + 10, 0x8000}, /* round */
1273 {SRC3_DIRECTION_OFFSET + 11, 0xFF00}, /* higher bute mark */
1274 {SRC3_DIRECTION_OFFSET + 13, 0}, /* temp0 */
1275 {SRC3_DIRECTION_OFFSET + 14, 0}, /* c fraction */
1276 {SRC3_DIRECTION_OFFSET + 15, 0}, /* counter */
1277 {SRC3_DIRECTION_OFFSET + 16, 8}, /* numin */
1278 {SRC3_DIRECTION_OFFSET + 17, 50*2}, /* numout */
1279 {SRC3_DIRECTION_OFFSET + 18, MINISRC_BIQUAD_STAGE - 1}, /* numstage */
1280 {SRC3_DIRECTION_OFFSET + 20, 0}, /* filtertap */
1281 {SRC3_DIRECTION_OFFSET + 21, 0} /* booster */
1282};
1283
1284
1285/* the mode passed should be already shifted and masked */
1286static void
1287snd_m3_playback_setup(struct snd_m3 *chip, struct m3_dma *s,
1288 struct snd_pcm_substream *subs)
1289{
1290 unsigned int i;
1291
1292 /*
1293 * some per client initializers
1294 */
1295
1296 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1297 s->inst.data + SRC3_DIRECTION_OFFSET + 12,
1298 s->inst.data + 40 + 8);
1299
1300 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1301 s->inst.data + SRC3_DIRECTION_OFFSET + 19,
1302 s->inst.code + MINISRC_COEF_LOC);
1303
1304 /* enable or disable low pass filter? */
1305 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1306 s->inst.data + SRC3_DIRECTION_OFFSET + 22,
1307 subs->runtime->rate > 45000 ? 0xff : 0);
1308
1309 /* tell it which way dma is going? */
1310 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1311 s->inst.data + CDATA_DMA_CONTROL,
1312 DMACONTROL_AUTOREPEAT + DMAC_PAGE3_SELECTOR + DMAC_BLOCKF_SELECTOR);
1313
1314 /*
1315 * set an armload of static initializers
1316 */
1317 for (i = 0; i < ARRAY_SIZE(pv); i++)
1318 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1319 s->inst.data + pv[i].addr, pv[i].val);
1320}
1321
1322/*
1323 * Native record driver
1324 */
1325static const struct rec_vals {
1326 u16 addr, val;
1327} rv[] = {
1328 {CDATA_LEFT_VOLUME, ARB_VOLUME},
1329 {CDATA_RIGHT_VOLUME, ARB_VOLUME},
1330 {SRC3_DIRECTION_OFFSET, 1} ,
1331 /* +1, +2 are stereo/16 bit */
1332 {SRC3_DIRECTION_OFFSET + 3, 0x0000}, /* fraction? */
1333 {SRC3_DIRECTION_OFFSET + 4, 0}, /* first l */
1334 {SRC3_DIRECTION_OFFSET + 5, 0}, /* first r */
1335 {SRC3_DIRECTION_OFFSET + 6, 0}, /* second l */
1336 {SRC3_DIRECTION_OFFSET + 7, 0}, /* second r */
1337 {SRC3_DIRECTION_OFFSET + 8, 0}, /* delta l */
1338 {SRC3_DIRECTION_OFFSET + 9, 0}, /* delta r */
1339 {SRC3_DIRECTION_OFFSET + 10, 0x8000}, /* round */
1340 {SRC3_DIRECTION_OFFSET + 11, 0xFF00}, /* higher bute mark */
1341 {SRC3_DIRECTION_OFFSET + 13, 0}, /* temp0 */
1342 {SRC3_DIRECTION_OFFSET + 14, 0}, /* c fraction */
1343 {SRC3_DIRECTION_OFFSET + 15, 0}, /* counter */
1344 {SRC3_DIRECTION_OFFSET + 16, 50},/* numin */
1345 {SRC3_DIRECTION_OFFSET + 17, 8}, /* numout */
1346 {SRC3_DIRECTION_OFFSET + 18, 0}, /* numstage */
1347 {SRC3_DIRECTION_OFFSET + 19, 0}, /* coef */
1348 {SRC3_DIRECTION_OFFSET + 20, 0}, /* filtertap */
1349 {SRC3_DIRECTION_OFFSET + 21, 0}, /* booster */
1350 {SRC3_DIRECTION_OFFSET + 22, 0xff} /* skip lpf */
1351};
1352
1353static void
1354snd_m3_capture_setup(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1355{
1356 unsigned int i;
1357
1358 /*
1359 * some per client initializers
1360 */
1361
1362 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1363 s->inst.data + SRC3_DIRECTION_OFFSET + 12,
1364 s->inst.data + 40 + 8);
1365
1366 /* tell it which way dma is going? */
1367 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1368 s->inst.data + CDATA_DMA_CONTROL,
1369 DMACONTROL_DIRECTION + DMACONTROL_AUTOREPEAT +
1370 DMAC_PAGE3_SELECTOR + DMAC_BLOCKF_SELECTOR);
1371
1372 /*
1373 * set an armload of static initializers
1374 */
1375 for (i = 0; i < ARRAY_SIZE(rv); i++)
1376 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1377 s->inst.data + rv[i].addr, rv[i].val);
1378}
1379
1380static int snd_m3_pcm_hw_params(struct snd_pcm_substream *substream,
1381 struct snd_pcm_hw_params *hw_params)
1382{
1383 struct m3_dma *s = substream->runtime->private_data;
1384
1385 /* set buffer address */
1386 s->buffer_addr = substream->runtime->dma_addr;
1387 if (s->buffer_addr & 0x3) {
1388 dev_err(substream->pcm->card->dev, "oh my, not aligned\n");
1389 s->buffer_addr = s->buffer_addr & ~0x3;
1390 }
1391 return 0;
1392}
1393
1394static int snd_m3_pcm_hw_free(struct snd_pcm_substream *substream)
1395{
1396 struct m3_dma *s;
1397
1398 if (substream->runtime->private_data == NULL)
1399 return 0;
1400 s = substream->runtime->private_data;
1401 s->buffer_addr = 0;
1402 return 0;
1403}
1404
1405static int
1406snd_m3_pcm_prepare(struct snd_pcm_substream *subs)
1407{
1408 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1409 struct snd_pcm_runtime *runtime = subs->runtime;
1410 struct m3_dma *s = runtime->private_data;
1411
1412 if (snd_BUG_ON(!s))
1413 return -ENXIO;
1414
1415 if (runtime->format != SNDRV_PCM_FORMAT_U8 &&
1416 runtime->format != SNDRV_PCM_FORMAT_S16_LE)
1417 return -EINVAL;
1418 if (runtime->rate > 48000 ||
1419 runtime->rate < 8000)
1420 return -EINVAL;
1421
1422 spin_lock_irq(&chip->reg_lock);
1423
1424 snd_m3_pcm_setup1(chip, s, subs);
1425
1426 if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK)
1427 snd_m3_playback_setup(chip, s, subs);
1428 else
1429 snd_m3_capture_setup(chip, s, subs);
1430
1431 snd_m3_pcm_setup2(chip, s, runtime);
1432
1433 spin_unlock_irq(&chip->reg_lock);
1434
1435 return 0;
1436}
1437
1438/*
1439 * get current pointer
1440 */
1441static unsigned int
1442snd_m3_get_pointer(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1443{
1444 u16 hi = 0, lo = 0;
1445 int retry = 10;
1446 u32 addr;
1447
1448 /*
1449 * try and get a valid answer
1450 */
1451 while (retry--) {
1452 hi = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1453 s->inst.data + CDATA_HOST_SRC_CURRENTH);
1454
1455 lo = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1456 s->inst.data + CDATA_HOST_SRC_CURRENTL);
1457
1458 if (hi == snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1459 s->inst.data + CDATA_HOST_SRC_CURRENTH))
1460 break;
1461 }
1462 addr = lo | ((u32)hi<<16);
1463 return (unsigned int)(addr - s->buffer_addr);
1464}
1465
1466static snd_pcm_uframes_t
1467snd_m3_pcm_pointer(struct snd_pcm_substream *subs)
1468{
1469 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1470 unsigned int ptr;
1471 struct m3_dma *s = subs->runtime->private_data;
1472
1473 if (snd_BUG_ON(!s))
1474 return 0;
1475
1476 spin_lock(&chip->reg_lock);
1477 ptr = snd_m3_get_pointer(chip, s, subs);
1478 spin_unlock(&chip->reg_lock);
1479 return bytes_to_frames(subs->runtime, ptr);
1480}
1481
1482
1483/* update pointer */
1484/* spinlock held! */
1485static void snd_m3_update_ptr(struct snd_m3 *chip, struct m3_dma *s)
1486{
1487 struct snd_pcm_substream *subs = s->substream;
1488 unsigned int hwptr;
1489 int diff;
1490
1491 if (! s->running)
1492 return;
1493
1494 hwptr = snd_m3_get_pointer(chip, s, subs);
1495
1496 /* try to avoid expensive modulo divisions */
1497 if (hwptr >= s->dma_size)
1498 hwptr %= s->dma_size;
1499
1500 diff = s->dma_size + hwptr - s->hwptr;
1501 if (diff >= s->dma_size)
1502 diff %= s->dma_size;
1503
1504 s->hwptr = hwptr;
1505 s->count += diff;
1506
1507 if (s->count >= (signed)s->period_size) {
1508
1509 if (s->count < 2 * (signed)s->period_size)
1510 s->count -= (signed)s->period_size;
1511 else
1512 s->count %= s->period_size;
1513
1514 spin_unlock(&chip->reg_lock);
1515 snd_pcm_period_elapsed(subs);
1516 spin_lock(&chip->reg_lock);
1517 }
1518}
1519
1520/* The m3's hardware volume works by incrementing / decrementing 2 counters
1521 (without wrap around) in response to volume button presses and then
1522 generating an interrupt. The pair of counters is stored in bits 1-3 and 5-7
1523 of a byte wide register. The meaning of bits 0 and 4 is unknown. */
1524static void snd_m3_update_hw_volume(struct work_struct *work)
1525{
1526 struct snd_m3 *chip = container_of(work, struct snd_m3, hwvol_work);
1527 int x, val;
1528
1529 /* Figure out which volume control button was pushed,
1530 based on differences from the default register
1531 values. */
1532 x = inb(chip->iobase + SHADOW_MIX_REG_VOICE) & 0xee;
1533
1534 /* Reset the volume counters to 4. Tests on the allegro integrated
1535 into a Compaq N600C laptop, have revealed that:
1536 1) Writing any value will result in the 2 counters being reset to
1537 4 so writing 0x88 is not strictly necessary
1538 2) Writing to any of the 4 involved registers will reset all 4
1539 of them (and reading them always returns the same value for all
1540 of them)
1541 It could be that a maestro deviates from this, so leave the code
1542 as is. */
1543 outb(0x88, chip->iobase + SHADOW_MIX_REG_VOICE);
1544 outb(0x88, chip->iobase + HW_VOL_COUNTER_VOICE);
1545 outb(0x88, chip->iobase + SHADOW_MIX_REG_MASTER);
1546 outb(0x88, chip->iobase + HW_VOL_COUNTER_MASTER);
1547
1548 /* Ignore spurious HV interrupts during suspend / resume, this avoids
1549 mistaking them for a mute button press. */
1550 if (chip->in_suspend)
1551 return;
1552
1553#ifndef CONFIG_SND_MAESTRO3_INPUT
1554 if (!chip->master_switch || !chip->master_volume)
1555 return;
1556
1557 val = snd_ac97_read(chip->ac97, AC97_MASTER);
1558 switch (x) {
1559 case 0x88:
1560 /* The counters have not changed, yet we've received a HV
1561 interrupt. According to tests run by various people this
1562 happens when pressing the mute button. */
1563 val ^= 0x8000;
1564 break;
1565 case 0xaa:
1566 /* counters increased by 1 -> volume up */
1567 if ((val & 0x7f) > 0)
1568 val--;
1569 if ((val & 0x7f00) > 0)
1570 val -= 0x0100;
1571 break;
1572 case 0x66:
1573 /* counters decreased by 1 -> volume down */
1574 if ((val & 0x7f) < 0x1f)
1575 val++;
1576 if ((val & 0x7f00) < 0x1f00)
1577 val += 0x0100;
1578 break;
1579 }
1580 if (snd_ac97_update(chip->ac97, AC97_MASTER, val))
1581 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1582 &chip->master_switch->id);
1583#else
1584 if (!chip->input_dev)
1585 return;
1586
1587 val = 0;
1588 switch (x) {
1589 case 0x88:
1590 /* The counters have not changed, yet we've received a HV
1591 interrupt. According to tests run by various people this
1592 happens when pressing the mute button. */
1593 val = KEY_MUTE;
1594 break;
1595 case 0xaa:
1596 /* counters increased by 1 -> volume up */
1597 val = KEY_VOLUMEUP;
1598 break;
1599 case 0x66:
1600 /* counters decreased by 1 -> volume down */
1601 val = KEY_VOLUMEDOWN;
1602 break;
1603 }
1604
1605 if (val) {
1606 input_report_key(chip->input_dev, val, 1);
1607 input_sync(chip->input_dev);
1608 input_report_key(chip->input_dev, val, 0);
1609 input_sync(chip->input_dev);
1610 }
1611#endif
1612}
1613
1614static irqreturn_t snd_m3_interrupt(int irq, void *dev_id)
1615{
1616 struct snd_m3 *chip = dev_id;
1617 u8 status;
1618 int i;
1619
1620 status = inb(chip->iobase + HOST_INT_STATUS);
1621
1622 if (status == 0xff)
1623 return IRQ_NONE;
1624
1625 if (status & HV_INT_PENDING)
1626 schedule_work(&chip->hwvol_work);
1627
1628 /*
1629 * ack an assp int if its running
1630 * and has an int pending
1631 */
1632 if (status & ASSP_INT_PENDING) {
1633 u8 ctl = inb(chip->iobase + ASSP_CONTROL_B);
1634 if (!(ctl & STOP_ASSP_CLOCK)) {
1635 ctl = inb(chip->iobase + ASSP_HOST_INT_STATUS);
1636 if (ctl & DSP2HOST_REQ_TIMER) {
1637 outb(DSP2HOST_REQ_TIMER, chip->iobase + ASSP_HOST_INT_STATUS);
1638 /* update adc/dac info if it was a timer int */
1639 spin_lock(&chip->reg_lock);
1640 for (i = 0; i < chip->num_substreams; i++) {
1641 struct m3_dma *s = &chip->substreams[i];
1642 if (s->running)
1643 snd_m3_update_ptr(chip, s);
1644 }
1645 spin_unlock(&chip->reg_lock);
1646 }
1647 }
1648 }
1649
1650#if 0 /* TODO: not supported yet */
1651 if ((status & MPU401_INT_PENDING) && chip->rmidi)
1652 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs);
1653#endif
1654
1655 /* ack ints */
1656 outb(status, chip->iobase + HOST_INT_STATUS);
1657
1658 return IRQ_HANDLED;
1659}
1660
1661
1662/*
1663 */
1664
1665static const struct snd_pcm_hardware snd_m3_playback =
1666{
1667 .info = (SNDRV_PCM_INFO_MMAP |
1668 SNDRV_PCM_INFO_INTERLEAVED |
1669 SNDRV_PCM_INFO_MMAP_VALID |
1670 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1671 /*SNDRV_PCM_INFO_PAUSE |*/
1672 SNDRV_PCM_INFO_RESUME),
1673 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1674 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1675 .rate_min = 8000,
1676 .rate_max = 48000,
1677 .channels_min = 1,
1678 .channels_max = 2,
1679 .buffer_bytes_max = (512*1024),
1680 .period_bytes_min = 64,
1681 .period_bytes_max = (512*1024),
1682 .periods_min = 1,
1683 .periods_max = 1024,
1684};
1685
1686static const struct snd_pcm_hardware snd_m3_capture =
1687{
1688 .info = (SNDRV_PCM_INFO_MMAP |
1689 SNDRV_PCM_INFO_INTERLEAVED |
1690 SNDRV_PCM_INFO_MMAP_VALID |
1691 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1692 /*SNDRV_PCM_INFO_PAUSE |*/
1693 SNDRV_PCM_INFO_RESUME),
1694 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1695 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1696 .rate_min = 8000,
1697 .rate_max = 48000,
1698 .channels_min = 1,
1699 .channels_max = 2,
1700 .buffer_bytes_max = (512*1024),
1701 .period_bytes_min = 64,
1702 .period_bytes_max = (512*1024),
1703 .periods_min = 1,
1704 .periods_max = 1024,
1705};
1706
1707
1708/*
1709 */
1710
1711static int
1712snd_m3_substream_open(struct snd_m3 *chip, struct snd_pcm_substream *subs)
1713{
1714 int i;
1715 struct m3_dma *s;
1716
1717 spin_lock_irq(&chip->reg_lock);
1718 for (i = 0; i < chip->num_substreams; i++) {
1719 s = &chip->substreams[i];
1720 if (! s->opened)
1721 goto __found;
1722 }
1723 spin_unlock_irq(&chip->reg_lock);
1724 return -ENOMEM;
1725__found:
1726 s->opened = 1;
1727 s->running = 0;
1728 spin_unlock_irq(&chip->reg_lock);
1729
1730 subs->runtime->private_data = s;
1731 s->substream = subs;
1732
1733 /* set list owners */
1734 if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1735 s->index_list[0] = &chip->mixer_list;
1736 } else
1737 s->index_list[0] = &chip->adc1_list;
1738 s->index_list[1] = &chip->msrc_list;
1739 s->index_list[2] = &chip->dma_list;
1740
1741 return 0;
1742}
1743
1744static void
1745snd_m3_substream_close(struct snd_m3 *chip, struct snd_pcm_substream *subs)
1746{
1747 struct m3_dma *s = subs->runtime->private_data;
1748
1749 if (s == NULL)
1750 return; /* not opened properly */
1751
1752 spin_lock_irq(&chip->reg_lock);
1753 if (s->substream && s->running)
1754 snd_m3_pcm_stop(chip, s, s->substream); /* does this happen? */
1755 if (s->in_lists) {
1756 snd_m3_remove_list(chip, s->index_list[0], s->index[0]);
1757 snd_m3_remove_list(chip, s->index_list[1], s->index[1]);
1758 snd_m3_remove_list(chip, s->index_list[2], s->index[2]);
1759 s->in_lists = 0;
1760 }
1761 s->running = 0;
1762 s->opened = 0;
1763 spin_unlock_irq(&chip->reg_lock);
1764}
1765
1766static int
1767snd_m3_playback_open(struct snd_pcm_substream *subs)
1768{
1769 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1770 struct snd_pcm_runtime *runtime = subs->runtime;
1771 int err;
1772
1773 if ((err = snd_m3_substream_open(chip, subs)) < 0)
1774 return err;
1775
1776 runtime->hw = snd_m3_playback;
1777
1778 return 0;
1779}
1780
1781static int
1782snd_m3_playback_close(struct snd_pcm_substream *subs)
1783{
1784 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1785
1786 snd_m3_substream_close(chip, subs);
1787 return 0;
1788}
1789
1790static int
1791snd_m3_capture_open(struct snd_pcm_substream *subs)
1792{
1793 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1794 struct snd_pcm_runtime *runtime = subs->runtime;
1795 int err;
1796
1797 if ((err = snd_m3_substream_open(chip, subs)) < 0)
1798 return err;
1799
1800 runtime->hw = snd_m3_capture;
1801
1802 return 0;
1803}
1804
1805static int
1806snd_m3_capture_close(struct snd_pcm_substream *subs)
1807{
1808 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1809
1810 snd_m3_substream_close(chip, subs);
1811 return 0;
1812}
1813
1814/*
1815 * create pcm instance
1816 */
1817
1818static const struct snd_pcm_ops snd_m3_playback_ops = {
1819 .open = snd_m3_playback_open,
1820 .close = snd_m3_playback_close,
1821 .hw_params = snd_m3_pcm_hw_params,
1822 .hw_free = snd_m3_pcm_hw_free,
1823 .prepare = snd_m3_pcm_prepare,
1824 .trigger = snd_m3_pcm_trigger,
1825 .pointer = snd_m3_pcm_pointer,
1826};
1827
1828static const struct snd_pcm_ops snd_m3_capture_ops = {
1829 .open = snd_m3_capture_open,
1830 .close = snd_m3_capture_close,
1831 .hw_params = snd_m3_pcm_hw_params,
1832 .hw_free = snd_m3_pcm_hw_free,
1833 .prepare = snd_m3_pcm_prepare,
1834 .trigger = snd_m3_pcm_trigger,
1835 .pointer = snd_m3_pcm_pointer,
1836};
1837
1838static int
1839snd_m3_pcm(struct snd_m3 * chip, int device)
1840{
1841 struct snd_pcm *pcm;
1842 int err;
1843
1844 err = snd_pcm_new(chip->card, chip->card->driver, device,
1845 MAX_PLAYBACKS, MAX_CAPTURES, &pcm);
1846 if (err < 0)
1847 return err;
1848
1849 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_m3_playback_ops);
1850 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_m3_capture_ops);
1851
1852 pcm->private_data = chip;
1853 pcm->info_flags = 0;
1854 strcpy(pcm->name, chip->card->driver);
1855 chip->pcm = pcm;
1856
1857 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1858 &chip->pci->dev, 64*1024, 64*1024);
1859
1860 return 0;
1861}
1862
1863
1864/*
1865 * ac97 interface
1866 */
1867
1868/*
1869 * Wait for the ac97 serial bus to be free.
1870 * return nonzero if the bus is still busy.
1871 */
1872static int snd_m3_ac97_wait(struct snd_m3 *chip)
1873{
1874 int i = 10000;
1875
1876 do {
1877 if (! (snd_m3_inb(chip, 0x30) & 1))
1878 return 0;
1879 cpu_relax();
1880 } while (i-- > 0);
1881
1882 dev_err(chip->card->dev, "ac97 serial bus busy\n");
1883 return 1;
1884}
1885
1886static unsigned short
1887snd_m3_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
1888{
1889 struct snd_m3 *chip = ac97->private_data;
1890 unsigned short data = 0xffff;
1891
1892 if (snd_m3_ac97_wait(chip))
1893 goto fail;
1894 snd_m3_outb(chip, 0x80 | (reg & 0x7f), CODEC_COMMAND);
1895 if (snd_m3_ac97_wait(chip))
1896 goto fail;
1897 data = snd_m3_inw(chip, CODEC_DATA);
1898fail:
1899 return data;
1900}
1901
1902static void
1903snd_m3_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val)
1904{
1905 struct snd_m3 *chip = ac97->private_data;
1906
1907 if (snd_m3_ac97_wait(chip))
1908 return;
1909 snd_m3_outw(chip, val, CODEC_DATA);
1910 snd_m3_outb(chip, reg & 0x7f, CODEC_COMMAND);
1911 /*
1912 * Workaround for buggy ES1988 integrated AC'97 codec. It remains silent
1913 * until the MASTER volume or mute is touched (alsactl restore does not
1914 * work).
1915 */
1916 if (ac97->id == 0x45838308 && reg == AC97_MASTER) {
1917 snd_m3_ac97_wait(chip);
1918 snd_m3_outw(chip, val, CODEC_DATA);
1919 snd_m3_outb(chip, reg & 0x7f, CODEC_COMMAND);
1920 }
1921}
1922
1923
1924static void snd_m3_remote_codec_config(struct snd_m3 *chip, int isremote)
1925{
1926 int io = chip->iobase;
1927 u16 tmp;
1928
1929 isremote = isremote ? 1 : 0;
1930
1931 tmp = inw(io + RING_BUS_CTRL_B) & ~SECOND_CODEC_ID_MASK;
1932 /* enable dock on Dell Latitude C810 */
1933 if (chip->pci->subsystem_vendor == 0x1028 &&
1934 chip->pci->subsystem_device == 0x00e5)
1935 tmp |= M3I_DOCK_ENABLE;
1936 outw(tmp | isremote, io + RING_BUS_CTRL_B);
1937 outw((inw(io + SDO_OUT_DEST_CTRL) & ~COMMAND_ADDR_OUT) | isremote,
1938 io + SDO_OUT_DEST_CTRL);
1939 outw((inw(io + SDO_IN_DEST_CTRL) & ~STATUS_ADDR_IN) | isremote,
1940 io + SDO_IN_DEST_CTRL);
1941}
1942
1943/*
1944 * hack, returns non zero on err
1945 */
1946static int snd_m3_try_read_vendor(struct snd_m3 *chip)
1947{
1948 u16 ret;
1949
1950 if (snd_m3_ac97_wait(chip))
1951 return 1;
1952
1953 snd_m3_outb(chip, 0x80 | (AC97_VENDOR_ID1 & 0x7f), 0x30);
1954
1955 if (snd_m3_ac97_wait(chip))
1956 return 1;
1957
1958 ret = snd_m3_inw(chip, 0x32);
1959
1960 return (ret == 0) || (ret == 0xffff);
1961}
1962
1963static void snd_m3_ac97_reset(struct snd_m3 *chip)
1964{
1965 u16 dir;
1966 int delay1 = 0, delay2 = 0, i;
1967 int io = chip->iobase;
1968
1969 if (chip->allegro_flag) {
1970 /*
1971 * the onboard codec on the allegro seems
1972 * to want to wait a very long time before
1973 * coming back to life
1974 */
1975 delay1 = 50;
1976 delay2 = 800;
1977 } else {
1978 /* maestro3 */
1979 delay1 = 20;
1980 delay2 = 500;
1981 }
1982
1983 for (i = 0; i < 5; i++) {
1984 dir = inw(io + GPIO_DIRECTION);
1985 if (!chip->irda_workaround)
1986 dir |= 0x10; /* assuming pci bus master? */
1987
1988 snd_m3_remote_codec_config(chip, 0);
1989
1990 outw(IO_SRAM_ENABLE, io + RING_BUS_CTRL_A);
1991 udelay(20);
1992
1993 outw(dir & ~GPO_PRIMARY_AC97 , io + GPIO_DIRECTION);
1994 outw(~GPO_PRIMARY_AC97 , io + GPIO_MASK);
1995 outw(0, io + GPIO_DATA);
1996 outw(dir | GPO_PRIMARY_AC97, io + GPIO_DIRECTION);
1997
1998 schedule_timeout_uninterruptible(msecs_to_jiffies(delay1));
1999
2000 outw(GPO_PRIMARY_AC97, io + GPIO_DATA);
2001 udelay(5);
2002 /* ok, bring back the ac-link */
2003 outw(IO_SRAM_ENABLE | SERIAL_AC_LINK_ENABLE, io + RING_BUS_CTRL_A);
2004 outw(~0, io + GPIO_MASK);
2005
2006 schedule_timeout_uninterruptible(msecs_to_jiffies(delay2));
2007
2008 if (! snd_m3_try_read_vendor(chip))
2009 break;
2010
2011 delay1 += 10;
2012 delay2 += 100;
2013
2014 dev_dbg(chip->card->dev,
2015 "retrying codec reset with delays of %d and %d ms\n",
2016 delay1, delay2);
2017 }
2018
2019#if 0
2020 /* more gung-ho reset that doesn't
2021 * seem to work anywhere :)
2022 */
2023 tmp = inw(io + RING_BUS_CTRL_A);
2024 outw(RAC_SDFS_ENABLE|LAC_SDFS_ENABLE, io + RING_BUS_CTRL_A);
2025 msleep(20);
2026 outw(tmp, io + RING_BUS_CTRL_A);
2027 msleep(50);
2028#endif
2029}
2030
2031static int snd_m3_mixer(struct snd_m3 *chip)
2032{
2033 struct snd_ac97_bus *pbus;
2034 struct snd_ac97_template ac97;
2035#ifndef CONFIG_SND_MAESTRO3_INPUT
2036 struct snd_ctl_elem_id elem_id;
2037#endif
2038 int err;
2039 static const struct snd_ac97_bus_ops ops = {
2040 .write = snd_m3_ac97_write,
2041 .read = snd_m3_ac97_read,
2042 };
2043
2044 if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0)
2045 return err;
2046
2047 memset(&ac97, 0, sizeof(ac97));
2048 ac97.private_data = chip;
2049 if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2050 return err;
2051
2052 /* seems ac97 PCM needs initialization.. hack hack.. */
2053 snd_ac97_write(chip->ac97, AC97_PCM, 0x8000 | (15 << 8) | 15);
2054 schedule_timeout_uninterruptible(msecs_to_jiffies(100));
2055 snd_ac97_write(chip->ac97, AC97_PCM, 0);
2056
2057#ifndef CONFIG_SND_MAESTRO3_INPUT
2058 memset(&elem_id, 0, sizeof(elem_id));
2059 elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2060 strcpy(elem_id.name, "Master Playback Switch");
2061 chip->master_switch = snd_ctl_find_id(chip->card, &elem_id);
2062 memset(&elem_id, 0, sizeof(elem_id));
2063 elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2064 strcpy(elem_id.name, "Master Playback Volume");
2065 chip->master_volume = snd_ctl_find_id(chip->card, &elem_id);
2066#endif
2067
2068 return 0;
2069}
2070
2071
2072/*
2073 * initialize ASSP
2074 */
2075
2076#define MINISRC_LPF_LEN 10
2077static const u16 minisrc_lpf[MINISRC_LPF_LEN] = {
2078 0X0743, 0X1104, 0X0A4C, 0XF88D, 0X242C,
2079 0X1023, 0X1AA9, 0X0B60, 0XEFDD, 0X186F
2080};
2081
2082static void snd_m3_assp_init(struct snd_m3 *chip)
2083{
2084 unsigned int i;
2085 const __le16 *data;
2086
2087 /* zero kernel data */
2088 for (i = 0; i < (REV_B_DATA_MEMORY_UNIT_LENGTH * NUM_UNITS_KERNEL_DATA) / 2; i++)
2089 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2090 KDATA_BASE_ADDR + i, 0);
2091
2092 /* zero mixer data? */
2093 for (i = 0; i < (REV_B_DATA_MEMORY_UNIT_LENGTH * NUM_UNITS_KERNEL_DATA) / 2; i++)
2094 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2095 KDATA_BASE_ADDR2 + i, 0);
2096
2097 /* init dma pointer */
2098 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2099 KDATA_CURRENT_DMA,
2100 KDATA_DMA_XFER0);
2101
2102 /* write kernel into code memory.. */
2103 data = (const __le16 *)chip->assp_kernel_image->data;
2104 for (i = 0 ; i * 2 < chip->assp_kernel_image->size; i++) {
2105 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2106 REV_B_CODE_MEMORY_BEGIN + i,
2107 le16_to_cpu(data[i]));
2108 }
2109
2110 /*
2111 * We only have this one client and we know that 0x400
2112 * is free in our kernel's mem map, so lets just
2113 * drop it there. It seems that the minisrc doesn't
2114 * need vectors, so we won't bother with them..
2115 */
2116 data = (const __le16 *)chip->assp_minisrc_image->data;
2117 for (i = 0; i * 2 < chip->assp_minisrc_image->size; i++) {
2118 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2119 0x400 + i, le16_to_cpu(data[i]));
2120 }
2121
2122 /*
2123 * write the coefficients for the low pass filter?
2124 */
2125 for (i = 0; i < MINISRC_LPF_LEN ; i++) {
2126 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2127 0x400 + MINISRC_COEF_LOC + i,
2128 minisrc_lpf[i]);
2129 }
2130
2131 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2132 0x400 + MINISRC_COEF_LOC + MINISRC_LPF_LEN,
2133 0x8000);
2134
2135 /*
2136 * the minisrc is the only thing on
2137 * our task list..
2138 */
2139 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2140 KDATA_TASK0,
2141 0x400);
2142
2143 /*
2144 * init the mixer number..
2145 */
2146
2147 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2148 KDATA_MIXER_TASK_NUMBER,0);
2149
2150 /*
2151 * EXTREME KERNEL MASTER VOLUME
2152 */
2153 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2154 KDATA_DAC_LEFT_VOLUME, ARB_VOLUME);
2155 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2156 KDATA_DAC_RIGHT_VOLUME, ARB_VOLUME);
2157
2158 chip->mixer_list.curlen = 0;
2159 chip->mixer_list.mem_addr = KDATA_MIXER_XFER0;
2160 chip->mixer_list.max = MAX_VIRTUAL_MIXER_CHANNELS;
2161 chip->adc1_list.curlen = 0;
2162 chip->adc1_list.mem_addr = KDATA_ADC1_XFER0;
2163 chip->adc1_list.max = MAX_VIRTUAL_ADC1_CHANNELS;
2164 chip->dma_list.curlen = 0;
2165 chip->dma_list.mem_addr = KDATA_DMA_XFER0;
2166 chip->dma_list.max = MAX_VIRTUAL_DMA_CHANNELS;
2167 chip->msrc_list.curlen = 0;
2168 chip->msrc_list.mem_addr = KDATA_INSTANCE0_MINISRC;
2169 chip->msrc_list.max = MAX_INSTANCE_MINISRC;
2170}
2171
2172
2173static int snd_m3_assp_client_init(struct snd_m3 *chip, struct m3_dma *s, int index)
2174{
2175 int data_bytes = 2 * ( MINISRC_TMP_BUFFER_SIZE / 2 +
2176 MINISRC_IN_BUFFER_SIZE / 2 +
2177 1 + MINISRC_OUT_BUFFER_SIZE / 2 + 1 );
2178 int address, i;
2179
2180 /*
2181 * the revb memory map has 0x1100 through 0x1c00
2182 * free.
2183 */
2184
2185 /*
2186 * align instance address to 256 bytes so that its
2187 * shifted list address is aligned.
2188 * list address = (mem address >> 1) >> 7;
2189 */
2190 data_bytes = ALIGN(data_bytes, 256);
2191 address = 0x1100 + ((data_bytes/2) * index);
2192
2193 if ((address + (data_bytes/2)) >= 0x1c00) {
2194 dev_err(chip->card->dev,
2195 "no memory for %d bytes at ind %d (addr 0x%x)\n",
2196 data_bytes, index, address);
2197 return -ENOMEM;
2198 }
2199
2200 s->number = index;
2201 s->inst.code = 0x400;
2202 s->inst.data = address;
2203
2204 for (i = data_bytes / 2; i > 0; address++, i--) {
2205 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2206 address, 0);
2207 }
2208
2209 return 0;
2210}
2211
2212
2213/*
2214 * this works for the reference board, have to find
2215 * out about others
2216 *
2217 * this needs more magic for 4 speaker, but..
2218 */
2219static void
2220snd_m3_amp_enable(struct snd_m3 *chip, int enable)
2221{
2222 int io = chip->iobase;
2223 u16 gpo, polarity;
2224
2225 if (! chip->external_amp)
2226 return;
2227
2228 polarity = enable ? 0 : 1;
2229 polarity = polarity << chip->amp_gpio;
2230 gpo = 1 << chip->amp_gpio;
2231
2232 outw(~gpo, io + GPIO_MASK);
2233
2234 outw(inw(io + GPIO_DIRECTION) | gpo,
2235 io + GPIO_DIRECTION);
2236
2237 outw((GPO_SECONDARY_AC97 | GPO_PRIMARY_AC97 | polarity),
2238 io + GPIO_DATA);
2239
2240 outw(0xffff, io + GPIO_MASK);
2241}
2242
2243static void
2244snd_m3_hv_init(struct snd_m3 *chip)
2245{
2246 unsigned long io = chip->iobase;
2247 u16 val = GPI_VOL_DOWN | GPI_VOL_UP;
2248
2249 if (!chip->is_omnibook)
2250 return;
2251
2252 /*
2253 * Volume buttons on some HP OmniBook laptops
2254 * require some GPIO magic to work correctly.
2255 */
2256 outw(0xffff, io + GPIO_MASK);
2257 outw(0x0000, io + GPIO_DATA);
2258
2259 outw(~val, io + GPIO_MASK);
2260 outw(inw(io + GPIO_DIRECTION) & ~val, io + GPIO_DIRECTION);
2261 outw(val, io + GPIO_MASK);
2262
2263 outw(0xffff, io + GPIO_MASK);
2264}
2265
2266static int
2267snd_m3_chip_init(struct snd_m3 *chip)
2268{
2269 struct pci_dev *pcidev = chip->pci;
2270 unsigned long io = chip->iobase;
2271 u32 n;
2272 u16 w;
2273 u8 t; /* makes as much sense as 'n', no? */
2274
2275 pci_read_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, &w);
2276 w &= ~(SOUND_BLASTER_ENABLE|FM_SYNTHESIS_ENABLE|
2277 MPU401_IO_ENABLE|MPU401_IRQ_ENABLE|ALIAS_10BIT_IO|
2278 DISABLE_LEGACY);
2279 pci_write_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, w);
2280
2281 pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n);
2282 n &= ~(HV_CTRL_ENABLE | REDUCED_DEBOUNCE | HV_BUTTON_FROM_GD);
2283 n |= chip->hv_config;
2284 /* For some reason we must always use reduced debounce. */
2285 n |= REDUCED_DEBOUNCE;
2286 n |= PM_CTRL_ENABLE | CLK_DIV_BY_49 | USE_PCI_TIMING;
2287 pci_write_config_dword(pcidev, PCI_ALLEGRO_CONFIG, n);
2288
2289 outb(RESET_ASSP, chip->iobase + ASSP_CONTROL_B);
2290 pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n);
2291 n &= ~INT_CLK_SELECT;
2292 if (!chip->allegro_flag) {
2293 n &= ~INT_CLK_MULT_ENABLE;
2294 n |= INT_CLK_SRC_NOT_PCI;
2295 }
2296 n &= ~( CLK_MULT_MODE_SELECT | CLK_MULT_MODE_SELECT_2 );
2297 pci_write_config_dword(pcidev, PCI_ALLEGRO_CONFIG, n);
2298
2299 if (chip->allegro_flag) {
2300 pci_read_config_dword(pcidev, PCI_USER_CONFIG, &n);
2301 n |= IN_CLK_12MHZ_SELECT;
2302 pci_write_config_dword(pcidev, PCI_USER_CONFIG, n);
2303 }
2304
2305 t = inb(chip->iobase + ASSP_CONTROL_A);
2306 t &= ~( DSP_CLK_36MHZ_SELECT | ASSP_CLK_49MHZ_SELECT);
2307 t |= ASSP_CLK_49MHZ_SELECT;
2308 t |= ASSP_0_WS_ENABLE;
2309 outb(t, chip->iobase + ASSP_CONTROL_A);
2310
2311 snd_m3_assp_init(chip); /* download DSP code before starting ASSP below */
2312 outb(RUN_ASSP, chip->iobase + ASSP_CONTROL_B);
2313
2314 outb(0x00, io + HARDWARE_VOL_CTRL);
2315 outb(0x88, io + SHADOW_MIX_REG_VOICE);
2316 outb(0x88, io + HW_VOL_COUNTER_VOICE);
2317 outb(0x88, io + SHADOW_MIX_REG_MASTER);
2318 outb(0x88, io + HW_VOL_COUNTER_MASTER);
2319
2320 return 0;
2321}
2322
2323static void
2324snd_m3_enable_ints(struct snd_m3 *chip)
2325{
2326 unsigned long io = chip->iobase;
2327 unsigned short val;
2328
2329 /* TODO: MPU401 not supported yet */
2330 val = ASSP_INT_ENABLE /*| MPU401_INT_ENABLE*/;
2331 if (chip->hv_config & HV_CTRL_ENABLE)
2332 val |= HV_INT_ENABLE;
2333 outb(val, chip->iobase + HOST_INT_STATUS);
2334 outw(val, io + HOST_INT_CTRL);
2335 outb(inb(io + ASSP_CONTROL_C) | ASSP_HOST_INT_ENABLE,
2336 io + ASSP_CONTROL_C);
2337}
2338
2339
2340/*
2341 */
2342
2343static int snd_m3_free(struct snd_m3 *chip)
2344{
2345 struct m3_dma *s;
2346 int i;
2347
2348 cancel_work_sync(&chip->hwvol_work);
2349#ifdef CONFIG_SND_MAESTRO3_INPUT
2350 if (chip->input_dev)
2351 input_unregister_device(chip->input_dev);
2352#endif
2353
2354 if (chip->substreams) {
2355 spin_lock_irq(&chip->reg_lock);
2356 for (i = 0; i < chip->num_substreams; i++) {
2357 s = &chip->substreams[i];
2358 /* check surviving pcms; this should not happen though.. */
2359 if (s->substream && s->running)
2360 snd_m3_pcm_stop(chip, s, s->substream);
2361 }
2362 spin_unlock_irq(&chip->reg_lock);
2363 kfree(chip->substreams);
2364 }
2365 if (chip->iobase) {
2366 outw(0, chip->iobase + HOST_INT_CTRL); /* disable ints */
2367 }
2368
2369#ifdef CONFIG_PM_SLEEP
2370 vfree(chip->suspend_mem);
2371#endif
2372
2373 if (chip->irq >= 0)
2374 free_irq(chip->irq, chip);
2375
2376 if (chip->iobase)
2377 pci_release_regions(chip->pci);
2378
2379 release_firmware(chip->assp_kernel_image);
2380 release_firmware(chip->assp_minisrc_image);
2381
2382 pci_disable_device(chip->pci);
2383 kfree(chip);
2384 return 0;
2385}
2386
2387
2388/*
2389 * APM support
2390 */
2391#ifdef CONFIG_PM_SLEEP
2392static int m3_suspend(struct device *dev)
2393{
2394 struct snd_card *card = dev_get_drvdata(dev);
2395 struct snd_m3 *chip = card->private_data;
2396 int i, dsp_index;
2397
2398 if (chip->suspend_mem == NULL)
2399 return 0;
2400
2401 chip->in_suspend = 1;
2402 cancel_work_sync(&chip->hwvol_work);
2403 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2404 snd_ac97_suspend(chip->ac97);
2405
2406 msleep(10); /* give the assp a chance to idle.. */
2407
2408 snd_m3_assp_halt(chip);
2409
2410 /* save dsp image */
2411 dsp_index = 0;
2412 for (i = REV_B_CODE_MEMORY_BEGIN; i <= REV_B_CODE_MEMORY_END; i++)
2413 chip->suspend_mem[dsp_index++] =
2414 snd_m3_assp_read(chip, MEMTYPE_INTERNAL_CODE, i);
2415 for (i = REV_B_DATA_MEMORY_BEGIN ; i <= REV_B_DATA_MEMORY_END; i++)
2416 chip->suspend_mem[dsp_index++] =
2417 snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA, i);
2418 return 0;
2419}
2420
2421static int m3_resume(struct device *dev)
2422{
2423 struct snd_card *card = dev_get_drvdata(dev);
2424 struct snd_m3 *chip = card->private_data;
2425 int i, dsp_index;
2426
2427 if (chip->suspend_mem == NULL)
2428 return 0;
2429
2430 /* first lets just bring everything back. .*/
2431 snd_m3_outw(chip, 0, 0x54);
2432 snd_m3_outw(chip, 0, 0x56);
2433
2434 snd_m3_chip_init(chip);
2435 snd_m3_assp_halt(chip);
2436 snd_m3_ac97_reset(chip);
2437
2438 /* restore dsp image */
2439 dsp_index = 0;
2440 for (i = REV_B_CODE_MEMORY_BEGIN; i <= REV_B_CODE_MEMORY_END; i++)
2441 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, i,
2442 chip->suspend_mem[dsp_index++]);
2443 for (i = REV_B_DATA_MEMORY_BEGIN ; i <= REV_B_DATA_MEMORY_END; i++)
2444 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, i,
2445 chip->suspend_mem[dsp_index++]);
2446
2447 /* tell the dma engine to restart itself */
2448 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2449 KDATA_DMA_ACTIVE, 0);
2450
2451 /* restore ac97 registers */
2452 snd_ac97_resume(chip->ac97);
2453
2454 snd_m3_assp_continue(chip);
2455 snd_m3_enable_ints(chip);
2456 snd_m3_amp_enable(chip, 1);
2457
2458 snd_m3_hv_init(chip);
2459
2460 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2461 chip->in_suspend = 0;
2462 return 0;
2463}
2464
2465static SIMPLE_DEV_PM_OPS(m3_pm, m3_suspend, m3_resume);
2466#define M3_PM_OPS &m3_pm
2467#else
2468#define M3_PM_OPS NULL
2469#endif /* CONFIG_PM_SLEEP */
2470
2471#ifdef CONFIG_SND_MAESTRO3_INPUT
2472static int snd_m3_input_register(struct snd_m3 *chip)
2473{
2474 struct input_dev *input_dev;
2475 int err;
2476
2477 input_dev = input_allocate_device();
2478 if (!input_dev)
2479 return -ENOMEM;
2480
2481 snprintf(chip->phys, sizeof(chip->phys), "pci-%s/input0",
2482 pci_name(chip->pci));
2483
2484 input_dev->name = chip->card->driver;
2485 input_dev->phys = chip->phys;
2486 input_dev->id.bustype = BUS_PCI;
2487 input_dev->id.vendor = chip->pci->vendor;
2488 input_dev->id.product = chip->pci->device;
2489 input_dev->dev.parent = &chip->pci->dev;
2490
2491 __set_bit(EV_KEY, input_dev->evbit);
2492 __set_bit(KEY_MUTE, input_dev->keybit);
2493 __set_bit(KEY_VOLUMEDOWN, input_dev->keybit);
2494 __set_bit(KEY_VOLUMEUP, input_dev->keybit);
2495
2496 err = input_register_device(input_dev);
2497 if (err) {
2498 input_free_device(input_dev);
2499 return err;
2500 }
2501
2502 chip->input_dev = input_dev;
2503 return 0;
2504}
2505#endif /* CONFIG_INPUT */
2506
2507/*
2508 */
2509
2510static int snd_m3_dev_free(struct snd_device *device)
2511{
2512 struct snd_m3 *chip = device->device_data;
2513 return snd_m3_free(chip);
2514}
2515
2516static int
2517snd_m3_create(struct snd_card *card, struct pci_dev *pci,
2518 int enable_amp,
2519 int amp_gpio,
2520 struct snd_m3 **chip_ret)
2521{
2522 struct snd_m3 *chip;
2523 int i, err;
2524 const struct snd_pci_quirk *quirk;
2525 static const struct snd_device_ops ops = {
2526 .dev_free = snd_m3_dev_free,
2527 };
2528
2529 *chip_ret = NULL;
2530
2531 if (pci_enable_device(pci))
2532 return -EIO;
2533
2534 /* check, if we can restrict PCI DMA transfers to 28 bits */
2535 if (dma_set_mask(&pci->dev, DMA_BIT_MASK(28)) < 0 ||
2536 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(28)) < 0) {
2537 dev_err(card->dev,
2538 "architecture does not support 28bit PCI busmaster DMA\n");
2539 pci_disable_device(pci);
2540 return -ENXIO;
2541 }
2542
2543 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
2544 if (chip == NULL) {
2545 pci_disable_device(pci);
2546 return -ENOMEM;
2547 }
2548
2549 spin_lock_init(&chip->reg_lock);
2550
2551 switch (pci->device) {
2552 case PCI_DEVICE_ID_ESS_ALLEGRO:
2553 case PCI_DEVICE_ID_ESS_ALLEGRO_1:
2554 case PCI_DEVICE_ID_ESS_CANYON3D_2LE:
2555 case PCI_DEVICE_ID_ESS_CANYON3D_2:
2556 chip->allegro_flag = 1;
2557 break;
2558 }
2559
2560 chip->card = card;
2561 chip->pci = pci;
2562 chip->irq = -1;
2563 INIT_WORK(&chip->hwvol_work, snd_m3_update_hw_volume);
2564
2565 chip->external_amp = enable_amp;
2566 if (amp_gpio >= 0 && amp_gpio <= 0x0f)
2567 chip->amp_gpio = amp_gpio;
2568 else {
2569 quirk = snd_pci_quirk_lookup(pci, m3_amp_quirk_list);
2570 if (quirk) {
2571 dev_info(card->dev, "set amp-gpio for '%s'\n",
2572 snd_pci_quirk_name(quirk));
2573 chip->amp_gpio = quirk->value;
2574 } else if (chip->allegro_flag)
2575 chip->amp_gpio = GPO_EXT_AMP_ALLEGRO;
2576 else /* presumably this is for all 'maestro3's.. */
2577 chip->amp_gpio = GPO_EXT_AMP_M3;
2578 }
2579
2580 quirk = snd_pci_quirk_lookup(pci, m3_irda_quirk_list);
2581 if (quirk) {
2582 dev_info(card->dev, "enabled irda workaround for '%s'\n",
2583 snd_pci_quirk_name(quirk));
2584 chip->irda_workaround = 1;
2585 }
2586 quirk = snd_pci_quirk_lookup(pci, m3_hv_quirk_list);
2587 if (quirk)
2588 chip->hv_config = quirk->value;
2589 if (snd_pci_quirk_lookup(pci, m3_omnibook_quirk_list))
2590 chip->is_omnibook = 1;
2591
2592 chip->num_substreams = NR_DSPS;
2593 chip->substreams = kcalloc(chip->num_substreams, sizeof(struct m3_dma),
2594 GFP_KERNEL);
2595 if (chip->substreams == NULL) {
2596 kfree(chip);
2597 pci_disable_device(pci);
2598 return -ENOMEM;
2599 }
2600
2601 err = request_firmware(&chip->assp_kernel_image,
2602 "ess/maestro3_assp_kernel.fw", &pci->dev);
2603 if (err < 0)
2604 goto free_chip;
2605
2606 err = request_firmware(&chip->assp_minisrc_image,
2607 "ess/maestro3_assp_minisrc.fw", &pci->dev);
2608 if (err < 0)
2609 goto free_chip;
2610
2611 err = pci_request_regions(pci, card->driver);
2612 if (err < 0)
2613 goto free_chip;
2614
2615 chip->iobase = pci_resource_start(pci, 0);
2616
2617 /* just to be sure */
2618 pci_set_master(pci);
2619
2620 snd_m3_chip_init(chip);
2621 snd_m3_assp_halt(chip);
2622
2623 snd_m3_ac97_reset(chip);
2624
2625 snd_m3_amp_enable(chip, 1);
2626
2627 snd_m3_hv_init(chip);
2628
2629 if (request_irq(pci->irq, snd_m3_interrupt, IRQF_SHARED,
2630 KBUILD_MODNAME, chip)) {
2631 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2632 err = -ENOMEM;
2633 goto free_chip;
2634 }
2635 chip->irq = pci->irq;
2636 card->sync_irq = chip->irq;
2637
2638#ifdef CONFIG_PM_SLEEP
2639 chip->suspend_mem =
2640 vmalloc(array_size(sizeof(u16),
2641 REV_B_CODE_MEMORY_LENGTH +
2642 REV_B_DATA_MEMORY_LENGTH));
2643 if (chip->suspend_mem == NULL)
2644 dev_warn(card->dev, "can't allocate apm buffer\n");
2645#endif
2646
2647 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
2648 if (err < 0)
2649 goto free_chip;
2650
2651 if ((err = snd_m3_mixer(chip)) < 0)
2652 return err;
2653
2654 for (i = 0; i < chip->num_substreams; i++) {
2655 struct m3_dma *s = &chip->substreams[i];
2656 if ((err = snd_m3_assp_client_init(chip, s, i)) < 0)
2657 return err;
2658 }
2659
2660 if ((err = snd_m3_pcm(chip, 0)) < 0)
2661 return err;
2662
2663#ifdef CONFIG_SND_MAESTRO3_INPUT
2664 if (chip->hv_config & HV_CTRL_ENABLE) {
2665 err = snd_m3_input_register(chip);
2666 if (err)
2667 dev_warn(card->dev,
2668 "Input device registration failed with error %i",
2669 err);
2670 }
2671#endif
2672
2673 snd_m3_enable_ints(chip);
2674 snd_m3_assp_continue(chip);
2675
2676 *chip_ret = chip;
2677
2678 return 0;
2679
2680free_chip:
2681 snd_m3_free(chip);
2682 return err;
2683}
2684
2685/*
2686 */
2687static int
2688snd_m3_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2689{
2690 static int dev;
2691 struct snd_card *card;
2692 struct snd_m3 *chip;
2693 int err;
2694
2695 /* don't pick up modems */
2696 if (((pci->class >> 8) & 0xffff) != PCI_CLASS_MULTIMEDIA_AUDIO)
2697 return -ENODEV;
2698
2699 if (dev >= SNDRV_CARDS)
2700 return -ENODEV;
2701 if (!enable[dev]) {
2702 dev++;
2703 return -ENOENT;
2704 }
2705
2706 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2707 0, &card);
2708 if (err < 0)
2709 return err;
2710
2711 switch (pci->device) {
2712 case PCI_DEVICE_ID_ESS_ALLEGRO:
2713 case PCI_DEVICE_ID_ESS_ALLEGRO_1:
2714 strcpy(card->driver, "Allegro");
2715 break;
2716 case PCI_DEVICE_ID_ESS_CANYON3D_2LE:
2717 case PCI_DEVICE_ID_ESS_CANYON3D_2:
2718 strcpy(card->driver, "Canyon3D-2");
2719 break;
2720 default:
2721 strcpy(card->driver, "Maestro3");
2722 break;
2723 }
2724
2725 err = snd_m3_create(card, pci, external_amp[dev], amp_gpio[dev], &chip);
2726 if (err < 0)
2727 goto free_card;
2728
2729 card->private_data = chip;
2730
2731 sprintf(card->shortname, "ESS %s PCI", card->driver);
2732 sprintf(card->longname, "%s at 0x%lx, irq %d",
2733 card->shortname, chip->iobase, chip->irq);
2734
2735 err = snd_card_register(card);
2736 if (err < 0)
2737 goto free_card;
2738
2739#if 0 /* TODO: not supported yet */
2740 /* TODO enable MIDI IRQ and I/O */
2741 err = snd_mpu401_uart_new(chip->card, 0, MPU401_HW_MPU401,
2742 chip->iobase + MPU401_DATA_PORT,
2743 MPU401_INFO_INTEGRATED | MPU401_INFO_IRQ_HOOK,
2744 -1, &chip->rmidi);
2745 if (err < 0)
2746 dev_warn(card->dev, "no MIDI support.\n");
2747#endif
2748
2749 pci_set_drvdata(pci, card);
2750 dev++;
2751 return 0;
2752
2753free_card:
2754 snd_card_free(card);
2755 return err;
2756}
2757
2758static void snd_m3_remove(struct pci_dev *pci)
2759{
2760 snd_card_free(pci_get_drvdata(pci));
2761}
2762
2763static struct pci_driver m3_driver = {
2764 .name = KBUILD_MODNAME,
2765 .id_table = snd_m3_ids,
2766 .probe = snd_m3_probe,
2767 .remove = snd_m3_remove,
2768 .driver = {
2769 .pm = M3_PM_OPS,
2770 },
2771};
2772
2773module_pci_driver(m3_driver);
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#ifdef CONFIG_PM_SLEEP
773 u16 *suspend_mem;
774#endif
775
776 const struct firmware *assp_kernel_image;
777 const struct firmware *assp_minisrc_image;
778};
779
780/*
781 * pci ids
782 */
783static const struct pci_device_id snd_m3_ids[] = {
784 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ALLEGRO_1, PCI_ANY_ID, PCI_ANY_ID,
785 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
786 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ALLEGRO, PCI_ANY_ID, PCI_ANY_ID,
787 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
788 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_CANYON3D_2LE, PCI_ANY_ID, PCI_ANY_ID,
789 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
790 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_CANYON3D_2, PCI_ANY_ID, PCI_ANY_ID,
791 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
792 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3, PCI_ANY_ID, PCI_ANY_ID,
793 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
794 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_1, PCI_ANY_ID, PCI_ANY_ID,
795 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
796 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_HW, PCI_ANY_ID, PCI_ANY_ID,
797 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
798 {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_2, PCI_ANY_ID, PCI_ANY_ID,
799 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
800 {0,},
801};
802
803MODULE_DEVICE_TABLE(pci, snd_m3_ids);
804
805static const struct snd_pci_quirk m3_amp_quirk_list[] = {
806 SND_PCI_QUIRK(0x0E11, 0x0094, "Compaq Evo N600c", 0x0c),
807 SND_PCI_QUIRK(0x10f7, 0x833e, "Panasonic CF-28", 0x0d),
808 SND_PCI_QUIRK(0x10f7, 0x833d, "Panasonic CF-72", 0x0d),
809 SND_PCI_QUIRK(0x1033, 0x80f1, "NEC LM800J/7", 0x03),
810 SND_PCI_QUIRK(0x1509, 0x1740, "LEGEND ZhaoYang 3100CF", 0x03),
811 { } /* END */
812};
813
814static const struct snd_pci_quirk m3_irda_quirk_list[] = {
815 SND_PCI_QUIRK(0x1028, 0x00b0, "Dell Inspiron 4000", 1),
816 SND_PCI_QUIRK(0x1028, 0x00a4, "Dell Inspiron 8000", 1),
817 SND_PCI_QUIRK(0x1028, 0x00e6, "Dell Inspiron 8100", 1),
818 { } /* END */
819};
820
821/* hardware volume quirks */
822static const struct snd_pci_quirk m3_hv_quirk_list[] = {
823 /* Allegro chips */
824 SND_PCI_QUIRK(0x0E11, 0x002E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
825 SND_PCI_QUIRK(0x0E11, 0x0094, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
826 SND_PCI_QUIRK(0x0E11, 0xB112, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
827 SND_PCI_QUIRK(0x0E11, 0xB114, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
828 SND_PCI_QUIRK(0x103C, 0x0012, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
829 SND_PCI_QUIRK(0x103C, 0x0018, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
830 SND_PCI_QUIRK(0x103C, 0x001C, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
831 SND_PCI_QUIRK(0x103C, 0x001D, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
832 SND_PCI_QUIRK(0x103C, 0x001E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
833 SND_PCI_QUIRK(0x107B, 0x3350, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
834 SND_PCI_QUIRK(0x10F7, 0x8338, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
835 SND_PCI_QUIRK(0x10F7, 0x833C, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
836 SND_PCI_QUIRK(0x10F7, 0x833D, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
837 SND_PCI_QUIRK(0x10F7, 0x833E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
838 SND_PCI_QUIRK(0x10F7, 0x833F, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
839 SND_PCI_QUIRK(0x13BD, 0x1018, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
840 SND_PCI_QUIRK(0x13BD, 0x1019, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
841 SND_PCI_QUIRK(0x13BD, 0x101A, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
842 SND_PCI_QUIRK(0x14FF, 0x0F03, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
843 SND_PCI_QUIRK(0x14FF, 0x0F04, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
844 SND_PCI_QUIRK(0x14FF, 0x0F05, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
845 SND_PCI_QUIRK(0x156D, 0xB400, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
846 SND_PCI_QUIRK(0x156D, 0xB795, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
847 SND_PCI_QUIRK(0x156D, 0xB797, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
848 SND_PCI_QUIRK(0x156D, 0xC700, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
849 SND_PCI_QUIRK(0x1033, 0x80F1, NULL,
850 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
851 SND_PCI_QUIRK(0x103C, 0x001A, NULL, /* HP OmniBook 6100 */
852 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
853 SND_PCI_QUIRK(0x107B, 0x340A, NULL,
854 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
855 SND_PCI_QUIRK(0x107B, 0x3450, NULL,
856 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
857 SND_PCI_QUIRK(0x109F, 0x3134, NULL,
858 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
859 SND_PCI_QUIRK(0x109F, 0x3161, NULL,
860 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
861 SND_PCI_QUIRK(0x144D, 0x3280, NULL,
862 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
863 SND_PCI_QUIRK(0x144D, 0x3281, NULL,
864 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
865 SND_PCI_QUIRK(0x144D, 0xC002, NULL,
866 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
867 SND_PCI_QUIRK(0x144D, 0xC003, NULL,
868 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
869 SND_PCI_QUIRK(0x1509, 0x1740, NULL,
870 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
871 SND_PCI_QUIRK(0x1610, 0x0010, NULL,
872 HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
873 SND_PCI_QUIRK(0x1042, 0x1042, NULL, HV_CTRL_ENABLE),
874 SND_PCI_QUIRK(0x107B, 0x9500, NULL, HV_CTRL_ENABLE),
875 SND_PCI_QUIRK(0x14FF, 0x0F06, NULL, HV_CTRL_ENABLE),
876 SND_PCI_QUIRK(0x1558, 0x8586, NULL, HV_CTRL_ENABLE),
877 SND_PCI_QUIRK(0x161F, 0x2011, NULL, HV_CTRL_ENABLE),
878 /* Maestro3 chips */
879 SND_PCI_QUIRK(0x103C, 0x000E, NULL, HV_CTRL_ENABLE),
880 SND_PCI_QUIRK(0x103C, 0x0010, NULL, HV_CTRL_ENABLE),
881 SND_PCI_QUIRK(0x103C, 0x0011, NULL, HV_CTRL_ENABLE),
882 SND_PCI_QUIRK(0x103C, 0x001B, NULL, HV_CTRL_ENABLE),
883 SND_PCI_QUIRK(0x104D, 0x80A6, NULL, HV_CTRL_ENABLE),
884 SND_PCI_QUIRK(0x104D, 0x80AA, NULL, HV_CTRL_ENABLE),
885 SND_PCI_QUIRK(0x107B, 0x5300, NULL, HV_CTRL_ENABLE),
886 SND_PCI_QUIRK(0x110A, 0x1998, NULL, HV_CTRL_ENABLE),
887 SND_PCI_QUIRK(0x13BD, 0x1015, NULL, HV_CTRL_ENABLE),
888 SND_PCI_QUIRK(0x13BD, 0x101C, NULL, HV_CTRL_ENABLE),
889 SND_PCI_QUIRK(0x13BD, 0x1802, NULL, HV_CTRL_ENABLE),
890 SND_PCI_QUIRK(0x1599, 0x0715, NULL, HV_CTRL_ENABLE),
891 SND_PCI_QUIRK(0x5643, 0x5643, NULL, HV_CTRL_ENABLE),
892 SND_PCI_QUIRK(0x144D, 0x3260, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
893 SND_PCI_QUIRK(0x144D, 0x3261, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
894 SND_PCI_QUIRK(0x144D, 0xC000, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
895 SND_PCI_QUIRK(0x144D, 0xC001, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
896 { } /* END */
897};
898
899/* HP Omnibook quirks */
900static const struct snd_pci_quirk m3_omnibook_quirk_list[] = {
901 SND_PCI_QUIRK_ID(0x103c, 0x0010), /* HP OmniBook 6000 */
902 SND_PCI_QUIRK_ID(0x103c, 0x0011), /* HP OmniBook 500 */
903 { } /* END */
904};
905
906/*
907 * lowlevel functions
908 */
909
910static inline void snd_m3_outw(struct snd_m3 *chip, u16 value, unsigned long reg)
911{
912 outw(value, chip->iobase + reg);
913}
914
915static inline u16 snd_m3_inw(struct snd_m3 *chip, unsigned long reg)
916{
917 return inw(chip->iobase + reg);
918}
919
920static inline void snd_m3_outb(struct snd_m3 *chip, u8 value, unsigned long reg)
921{
922 outb(value, chip->iobase + reg);
923}
924
925static inline u8 snd_m3_inb(struct snd_m3 *chip, unsigned long reg)
926{
927 return inb(chip->iobase + reg);
928}
929
930/*
931 * access 16bit words to the code or data regions of the dsp's memory.
932 * index addresses 16bit words.
933 */
934static u16 snd_m3_assp_read(struct snd_m3 *chip, u16 region, u16 index)
935{
936 snd_m3_outw(chip, region & MEMTYPE_MASK, DSP_PORT_MEMORY_TYPE);
937 snd_m3_outw(chip, index, DSP_PORT_MEMORY_INDEX);
938 return snd_m3_inw(chip, DSP_PORT_MEMORY_DATA);
939}
940
941static void snd_m3_assp_write(struct snd_m3 *chip, u16 region, u16 index, u16 data)
942{
943 snd_m3_outw(chip, region & MEMTYPE_MASK, DSP_PORT_MEMORY_TYPE);
944 snd_m3_outw(chip, index, DSP_PORT_MEMORY_INDEX);
945 snd_m3_outw(chip, data, DSP_PORT_MEMORY_DATA);
946}
947
948static void snd_m3_assp_halt(struct snd_m3 *chip)
949{
950 chip->reset_state = snd_m3_inb(chip, DSP_PORT_CONTROL_REG_B) & ~REGB_STOP_CLOCK;
951 msleep(10);
952 snd_m3_outb(chip, chip->reset_state & ~REGB_ENABLE_RESET, DSP_PORT_CONTROL_REG_B);
953}
954
955static void snd_m3_assp_continue(struct snd_m3 *chip)
956{
957 snd_m3_outb(chip, chip->reset_state | REGB_ENABLE_RESET, DSP_PORT_CONTROL_REG_B);
958}
959
960
961/*
962 * This makes me sad. the maestro3 has lists
963 * internally that must be packed.. 0 terminates,
964 * apparently, or maybe all unused entries have
965 * to be 0, the lists have static lengths set
966 * by the binary code images.
967 */
968
969static int snd_m3_add_list(struct snd_m3 *chip, struct m3_list *list, u16 val)
970{
971 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
972 list->mem_addr + list->curlen,
973 val);
974 return list->curlen++;
975}
976
977static void snd_m3_remove_list(struct snd_m3 *chip, struct m3_list *list, int index)
978{
979 u16 val;
980 int lastindex = list->curlen - 1;
981
982 if (index != lastindex) {
983 val = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
984 list->mem_addr + lastindex);
985 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
986 list->mem_addr + index,
987 val);
988 }
989
990 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
991 list->mem_addr + lastindex,
992 0);
993
994 list->curlen--;
995}
996
997static void snd_m3_inc_timer_users(struct snd_m3 *chip)
998{
999 chip->timer_users++;
1000 if (chip->timer_users != 1)
1001 return;
1002
1003 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1004 KDATA_TIMER_COUNT_RELOAD,
1005 240);
1006
1007 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1008 KDATA_TIMER_COUNT_CURRENT,
1009 240);
1010
1011 snd_m3_outw(chip,
1012 snd_m3_inw(chip, HOST_INT_CTRL) | CLKRUN_GEN_ENABLE,
1013 HOST_INT_CTRL);
1014}
1015
1016static void snd_m3_dec_timer_users(struct snd_m3 *chip)
1017{
1018 chip->timer_users--;
1019 if (chip->timer_users > 0)
1020 return;
1021
1022 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1023 KDATA_TIMER_COUNT_RELOAD,
1024 0);
1025
1026 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1027 KDATA_TIMER_COUNT_CURRENT,
1028 0);
1029
1030 snd_m3_outw(chip,
1031 snd_m3_inw(chip, HOST_INT_CTRL) & ~CLKRUN_GEN_ENABLE,
1032 HOST_INT_CTRL);
1033}
1034
1035/*
1036 * start/stop
1037 */
1038
1039/* spinlock held! */
1040static int snd_m3_pcm_start(struct snd_m3 *chip, struct m3_dma *s,
1041 struct snd_pcm_substream *subs)
1042{
1043 if (! s || ! subs)
1044 return -EINVAL;
1045
1046 snd_m3_inc_timer_users(chip);
1047 switch (subs->stream) {
1048 case SNDRV_PCM_STREAM_PLAYBACK:
1049 chip->dacs_active++;
1050 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1051 s->inst.data + CDATA_INSTANCE_READY, 1);
1052 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1053 KDATA_MIXER_TASK_NUMBER,
1054 chip->dacs_active);
1055 break;
1056 case SNDRV_PCM_STREAM_CAPTURE:
1057 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1058 KDATA_ADC1_REQUEST, 1);
1059 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1060 s->inst.data + CDATA_INSTANCE_READY, 1);
1061 break;
1062 }
1063 return 0;
1064}
1065
1066/* spinlock held! */
1067static int snd_m3_pcm_stop(struct snd_m3 *chip, struct m3_dma *s,
1068 struct snd_pcm_substream *subs)
1069{
1070 if (! s || ! subs)
1071 return -EINVAL;
1072
1073 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1074 s->inst.data + CDATA_INSTANCE_READY, 0);
1075 snd_m3_dec_timer_users(chip);
1076 switch (subs->stream) {
1077 case SNDRV_PCM_STREAM_PLAYBACK:
1078 chip->dacs_active--;
1079 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1080 KDATA_MIXER_TASK_NUMBER,
1081 chip->dacs_active);
1082 break;
1083 case SNDRV_PCM_STREAM_CAPTURE:
1084 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1085 KDATA_ADC1_REQUEST, 0);
1086 break;
1087 }
1088 return 0;
1089}
1090
1091static int
1092snd_m3_pcm_trigger(struct snd_pcm_substream *subs, int cmd)
1093{
1094 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1095 struct m3_dma *s = subs->runtime->private_data;
1096 int err = -EINVAL;
1097
1098 if (snd_BUG_ON(!s))
1099 return -ENXIO;
1100
1101 spin_lock(&chip->reg_lock);
1102 switch (cmd) {
1103 case SNDRV_PCM_TRIGGER_START:
1104 case SNDRV_PCM_TRIGGER_RESUME:
1105 if (s->running)
1106 err = -EBUSY;
1107 else {
1108 s->running = 1;
1109 err = snd_m3_pcm_start(chip, s, subs);
1110 }
1111 break;
1112 case SNDRV_PCM_TRIGGER_STOP:
1113 case SNDRV_PCM_TRIGGER_SUSPEND:
1114 if (! s->running)
1115 err = 0; /* should return error? */
1116 else {
1117 s->running = 0;
1118 err = snd_m3_pcm_stop(chip, s, subs);
1119 }
1120 break;
1121 }
1122 spin_unlock(&chip->reg_lock);
1123 return err;
1124}
1125
1126/*
1127 * setup
1128 */
1129static void
1130snd_m3_pcm_setup1(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1131{
1132 int dsp_in_size, dsp_out_size, dsp_in_buffer, dsp_out_buffer;
1133 struct snd_pcm_runtime *runtime = subs->runtime;
1134
1135 if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1136 dsp_in_size = MINISRC_IN_BUFFER_SIZE - (0x20 * 2);
1137 dsp_out_size = MINISRC_OUT_BUFFER_SIZE - (0x20 * 2);
1138 } else {
1139 dsp_in_size = MINISRC_IN_BUFFER_SIZE - (0x10 * 2);
1140 dsp_out_size = MINISRC_OUT_BUFFER_SIZE - (0x10 * 2);
1141 }
1142 dsp_in_buffer = s->inst.data + (MINISRC_TMP_BUFFER_SIZE / 2);
1143 dsp_out_buffer = dsp_in_buffer + (dsp_in_size / 2) + 1;
1144
1145 s->dma_size = frames_to_bytes(runtime, runtime->buffer_size);
1146 s->period_size = frames_to_bytes(runtime, runtime->period_size);
1147 s->hwptr = 0;
1148 s->count = 0;
1149
1150#define LO(x) ((x) & 0xffff)
1151#define HI(x) LO((x) >> 16)
1152
1153 /* host dma buffer pointers */
1154 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1155 s->inst.data + CDATA_HOST_SRC_ADDRL,
1156 LO(s->buffer_addr));
1157
1158 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1159 s->inst.data + CDATA_HOST_SRC_ADDRH,
1160 HI(s->buffer_addr));
1161
1162 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1163 s->inst.data + CDATA_HOST_SRC_END_PLUS_1L,
1164 LO(s->buffer_addr + s->dma_size));
1165
1166 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1167 s->inst.data + CDATA_HOST_SRC_END_PLUS_1H,
1168 HI(s->buffer_addr + s->dma_size));
1169
1170 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1171 s->inst.data + CDATA_HOST_SRC_CURRENTL,
1172 LO(s->buffer_addr));
1173
1174 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1175 s->inst.data + CDATA_HOST_SRC_CURRENTH,
1176 HI(s->buffer_addr));
1177#undef LO
1178#undef HI
1179
1180 /* dsp buffers */
1181
1182 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1183 s->inst.data + CDATA_IN_BUF_BEGIN,
1184 dsp_in_buffer);
1185
1186 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1187 s->inst.data + CDATA_IN_BUF_END_PLUS_1,
1188 dsp_in_buffer + (dsp_in_size / 2));
1189
1190 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1191 s->inst.data + CDATA_IN_BUF_HEAD,
1192 dsp_in_buffer);
1193
1194 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1195 s->inst.data + CDATA_IN_BUF_TAIL,
1196 dsp_in_buffer);
1197
1198 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1199 s->inst.data + CDATA_OUT_BUF_BEGIN,
1200 dsp_out_buffer);
1201
1202 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1203 s->inst.data + CDATA_OUT_BUF_END_PLUS_1,
1204 dsp_out_buffer + (dsp_out_size / 2));
1205
1206 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1207 s->inst.data + CDATA_OUT_BUF_HEAD,
1208 dsp_out_buffer);
1209
1210 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1211 s->inst.data + CDATA_OUT_BUF_TAIL,
1212 dsp_out_buffer);
1213}
1214
1215static void snd_m3_pcm_setup2(struct snd_m3 *chip, struct m3_dma *s,
1216 struct snd_pcm_runtime *runtime)
1217{
1218 u32 freq;
1219
1220 /*
1221 * put us in the lists if we're not already there
1222 */
1223 if (! s->in_lists) {
1224 s->index[0] = snd_m3_add_list(chip, s->index_list[0],
1225 s->inst.data >> DP_SHIFT_COUNT);
1226 s->index[1] = snd_m3_add_list(chip, s->index_list[1],
1227 s->inst.data >> DP_SHIFT_COUNT);
1228 s->index[2] = snd_m3_add_list(chip, s->index_list[2],
1229 s->inst.data >> DP_SHIFT_COUNT);
1230 s->in_lists = 1;
1231 }
1232
1233 /* write to 'mono' word */
1234 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1235 s->inst.data + SRC3_DIRECTION_OFFSET + 1,
1236 runtime->channels == 2 ? 0 : 1);
1237 /* write to '8bit' word */
1238 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1239 s->inst.data + SRC3_DIRECTION_OFFSET + 2,
1240 snd_pcm_format_width(runtime->format) == 16 ? 0 : 1);
1241
1242 /* set up dac/adc rate */
1243 freq = DIV_ROUND_CLOSEST(runtime->rate << 15, 48000);
1244 if (freq)
1245 freq--;
1246
1247 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1248 s->inst.data + CDATA_FREQUENCY,
1249 freq);
1250}
1251
1252
1253static const struct play_vals {
1254 u16 addr, val;
1255} pv[] = {
1256 {CDATA_LEFT_VOLUME, ARB_VOLUME},
1257 {CDATA_RIGHT_VOLUME, ARB_VOLUME},
1258 {SRC3_DIRECTION_OFFSET, 0} ,
1259 /* +1, +2 are stereo/16 bit */
1260 {SRC3_DIRECTION_OFFSET + 3, 0x0000}, /* fraction? */
1261 {SRC3_DIRECTION_OFFSET + 4, 0}, /* first l */
1262 {SRC3_DIRECTION_OFFSET + 5, 0}, /* first r */
1263 {SRC3_DIRECTION_OFFSET + 6, 0}, /* second l */
1264 {SRC3_DIRECTION_OFFSET + 7, 0}, /* second r */
1265 {SRC3_DIRECTION_OFFSET + 8, 0}, /* delta l */
1266 {SRC3_DIRECTION_OFFSET + 9, 0}, /* delta r */
1267 {SRC3_DIRECTION_OFFSET + 10, 0x8000}, /* round */
1268 {SRC3_DIRECTION_OFFSET + 11, 0xFF00}, /* higher bute mark */
1269 {SRC3_DIRECTION_OFFSET + 13, 0}, /* temp0 */
1270 {SRC3_DIRECTION_OFFSET + 14, 0}, /* c fraction */
1271 {SRC3_DIRECTION_OFFSET + 15, 0}, /* counter */
1272 {SRC3_DIRECTION_OFFSET + 16, 8}, /* numin */
1273 {SRC3_DIRECTION_OFFSET + 17, 50*2}, /* numout */
1274 {SRC3_DIRECTION_OFFSET + 18, MINISRC_BIQUAD_STAGE - 1}, /* numstage */
1275 {SRC3_DIRECTION_OFFSET + 20, 0}, /* filtertap */
1276 {SRC3_DIRECTION_OFFSET + 21, 0} /* booster */
1277};
1278
1279
1280/* the mode passed should be already shifted and masked */
1281static void
1282snd_m3_playback_setup(struct snd_m3 *chip, struct m3_dma *s,
1283 struct snd_pcm_substream *subs)
1284{
1285 unsigned int i;
1286
1287 /*
1288 * some per client initializers
1289 */
1290
1291 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1292 s->inst.data + SRC3_DIRECTION_OFFSET + 12,
1293 s->inst.data + 40 + 8);
1294
1295 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1296 s->inst.data + SRC3_DIRECTION_OFFSET + 19,
1297 s->inst.code + MINISRC_COEF_LOC);
1298
1299 /* enable or disable low pass filter? */
1300 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1301 s->inst.data + SRC3_DIRECTION_OFFSET + 22,
1302 subs->runtime->rate > 45000 ? 0xff : 0);
1303
1304 /* tell it which way dma is going? */
1305 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1306 s->inst.data + CDATA_DMA_CONTROL,
1307 DMACONTROL_AUTOREPEAT + DMAC_PAGE3_SELECTOR + DMAC_BLOCKF_SELECTOR);
1308
1309 /*
1310 * set an armload of static initializers
1311 */
1312 for (i = 0; i < ARRAY_SIZE(pv); i++)
1313 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1314 s->inst.data + pv[i].addr, pv[i].val);
1315}
1316
1317/*
1318 * Native record driver
1319 */
1320static const struct rec_vals {
1321 u16 addr, val;
1322} rv[] = {
1323 {CDATA_LEFT_VOLUME, ARB_VOLUME},
1324 {CDATA_RIGHT_VOLUME, ARB_VOLUME},
1325 {SRC3_DIRECTION_OFFSET, 1} ,
1326 /* +1, +2 are stereo/16 bit */
1327 {SRC3_DIRECTION_OFFSET + 3, 0x0000}, /* fraction? */
1328 {SRC3_DIRECTION_OFFSET + 4, 0}, /* first l */
1329 {SRC3_DIRECTION_OFFSET + 5, 0}, /* first r */
1330 {SRC3_DIRECTION_OFFSET + 6, 0}, /* second l */
1331 {SRC3_DIRECTION_OFFSET + 7, 0}, /* second r */
1332 {SRC3_DIRECTION_OFFSET + 8, 0}, /* delta l */
1333 {SRC3_DIRECTION_OFFSET + 9, 0}, /* delta r */
1334 {SRC3_DIRECTION_OFFSET + 10, 0x8000}, /* round */
1335 {SRC3_DIRECTION_OFFSET + 11, 0xFF00}, /* higher bute mark */
1336 {SRC3_DIRECTION_OFFSET + 13, 0}, /* temp0 */
1337 {SRC3_DIRECTION_OFFSET + 14, 0}, /* c fraction */
1338 {SRC3_DIRECTION_OFFSET + 15, 0}, /* counter */
1339 {SRC3_DIRECTION_OFFSET + 16, 50},/* numin */
1340 {SRC3_DIRECTION_OFFSET + 17, 8}, /* numout */
1341 {SRC3_DIRECTION_OFFSET + 18, 0}, /* numstage */
1342 {SRC3_DIRECTION_OFFSET + 19, 0}, /* coef */
1343 {SRC3_DIRECTION_OFFSET + 20, 0}, /* filtertap */
1344 {SRC3_DIRECTION_OFFSET + 21, 0}, /* booster */
1345 {SRC3_DIRECTION_OFFSET + 22, 0xff} /* skip lpf */
1346};
1347
1348static void
1349snd_m3_capture_setup(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1350{
1351 unsigned int i;
1352
1353 /*
1354 * some per client initializers
1355 */
1356
1357 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1358 s->inst.data + SRC3_DIRECTION_OFFSET + 12,
1359 s->inst.data + 40 + 8);
1360
1361 /* tell it which way dma is going? */
1362 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1363 s->inst.data + CDATA_DMA_CONTROL,
1364 DMACONTROL_DIRECTION + DMACONTROL_AUTOREPEAT +
1365 DMAC_PAGE3_SELECTOR + DMAC_BLOCKF_SELECTOR);
1366
1367 /*
1368 * set an armload of static initializers
1369 */
1370 for (i = 0; i < ARRAY_SIZE(rv); i++)
1371 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1372 s->inst.data + rv[i].addr, rv[i].val);
1373}
1374
1375static int snd_m3_pcm_hw_params(struct snd_pcm_substream *substream,
1376 struct snd_pcm_hw_params *hw_params)
1377{
1378 struct m3_dma *s = substream->runtime->private_data;
1379
1380 /* set buffer address */
1381 s->buffer_addr = substream->runtime->dma_addr;
1382 if (s->buffer_addr & 0x3) {
1383 dev_err(substream->pcm->card->dev, "oh my, not aligned\n");
1384 s->buffer_addr = s->buffer_addr & ~0x3;
1385 }
1386 return 0;
1387}
1388
1389static int snd_m3_pcm_hw_free(struct snd_pcm_substream *substream)
1390{
1391 struct m3_dma *s;
1392
1393 if (substream->runtime->private_data == NULL)
1394 return 0;
1395 s = substream->runtime->private_data;
1396 s->buffer_addr = 0;
1397 return 0;
1398}
1399
1400static int
1401snd_m3_pcm_prepare(struct snd_pcm_substream *subs)
1402{
1403 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1404 struct snd_pcm_runtime *runtime = subs->runtime;
1405 struct m3_dma *s = runtime->private_data;
1406
1407 if (snd_BUG_ON(!s))
1408 return -ENXIO;
1409
1410 if (runtime->format != SNDRV_PCM_FORMAT_U8 &&
1411 runtime->format != SNDRV_PCM_FORMAT_S16_LE)
1412 return -EINVAL;
1413 if (runtime->rate > 48000 ||
1414 runtime->rate < 8000)
1415 return -EINVAL;
1416
1417 spin_lock_irq(&chip->reg_lock);
1418
1419 snd_m3_pcm_setup1(chip, s, subs);
1420
1421 if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK)
1422 snd_m3_playback_setup(chip, s, subs);
1423 else
1424 snd_m3_capture_setup(chip, s, subs);
1425
1426 snd_m3_pcm_setup2(chip, s, runtime);
1427
1428 spin_unlock_irq(&chip->reg_lock);
1429
1430 return 0;
1431}
1432
1433/*
1434 * get current pointer
1435 */
1436static unsigned int
1437snd_m3_get_pointer(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1438{
1439 u16 hi = 0, lo = 0;
1440 int retry = 10;
1441 u32 addr;
1442
1443 /*
1444 * try and get a valid answer
1445 */
1446 while (retry--) {
1447 hi = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1448 s->inst.data + CDATA_HOST_SRC_CURRENTH);
1449
1450 lo = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1451 s->inst.data + CDATA_HOST_SRC_CURRENTL);
1452
1453 if (hi == snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1454 s->inst.data + CDATA_HOST_SRC_CURRENTH))
1455 break;
1456 }
1457 addr = lo | ((u32)hi<<16);
1458 return (unsigned int)(addr - s->buffer_addr);
1459}
1460
1461static snd_pcm_uframes_t
1462snd_m3_pcm_pointer(struct snd_pcm_substream *subs)
1463{
1464 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1465 unsigned int ptr;
1466 struct m3_dma *s = subs->runtime->private_data;
1467
1468 if (snd_BUG_ON(!s))
1469 return 0;
1470
1471 spin_lock(&chip->reg_lock);
1472 ptr = snd_m3_get_pointer(chip, s, subs);
1473 spin_unlock(&chip->reg_lock);
1474 return bytes_to_frames(subs->runtime, ptr);
1475}
1476
1477
1478/* update pointer */
1479/* spinlock held! */
1480static void snd_m3_update_ptr(struct snd_m3 *chip, struct m3_dma *s)
1481{
1482 struct snd_pcm_substream *subs = s->substream;
1483 unsigned int hwptr;
1484 int diff;
1485
1486 if (! s->running)
1487 return;
1488
1489 hwptr = snd_m3_get_pointer(chip, s, subs);
1490
1491 /* try to avoid expensive modulo divisions */
1492 if (hwptr >= s->dma_size)
1493 hwptr %= s->dma_size;
1494
1495 diff = s->dma_size + hwptr - s->hwptr;
1496 if (diff >= s->dma_size)
1497 diff %= s->dma_size;
1498
1499 s->hwptr = hwptr;
1500 s->count += diff;
1501
1502 if (s->count >= (signed)s->period_size) {
1503
1504 if (s->count < 2 * (signed)s->period_size)
1505 s->count -= (signed)s->period_size;
1506 else
1507 s->count %= s->period_size;
1508
1509 spin_unlock(&chip->reg_lock);
1510 snd_pcm_period_elapsed(subs);
1511 spin_lock(&chip->reg_lock);
1512 }
1513}
1514
1515/* The m3's hardware volume works by incrementing / decrementing 2 counters
1516 (without wrap around) in response to volume button presses and then
1517 generating an interrupt. The pair of counters is stored in bits 1-3 and 5-7
1518 of a byte wide register. The meaning of bits 0 and 4 is unknown. */
1519static void snd_m3_update_hw_volume(struct work_struct *work)
1520{
1521 struct snd_m3 *chip = container_of(work, struct snd_m3, hwvol_work);
1522 int x, val;
1523
1524 /* Figure out which volume control button was pushed,
1525 based on differences from the default register
1526 values. */
1527 x = inb(chip->iobase + SHADOW_MIX_REG_VOICE) & 0xee;
1528
1529 /* Reset the volume counters to 4. Tests on the allegro integrated
1530 into a Compaq N600C laptop, have revealed that:
1531 1) Writing any value will result in the 2 counters being reset to
1532 4 so writing 0x88 is not strictly necessary
1533 2) Writing to any of the 4 involved registers will reset all 4
1534 of them (and reading them always returns the same value for all
1535 of them)
1536 It could be that a maestro deviates from this, so leave the code
1537 as is. */
1538 outb(0x88, chip->iobase + SHADOW_MIX_REG_VOICE);
1539 outb(0x88, chip->iobase + HW_VOL_COUNTER_VOICE);
1540 outb(0x88, chip->iobase + SHADOW_MIX_REG_MASTER);
1541 outb(0x88, chip->iobase + HW_VOL_COUNTER_MASTER);
1542
1543 /* Ignore spurious HV interrupts during suspend / resume, this avoids
1544 mistaking them for a mute button press. */
1545 if (chip->in_suspend)
1546 return;
1547
1548#ifndef CONFIG_SND_MAESTRO3_INPUT
1549 if (!chip->master_switch || !chip->master_volume)
1550 return;
1551
1552 val = snd_ac97_read(chip->ac97, AC97_MASTER);
1553 switch (x) {
1554 case 0x88:
1555 /* The counters have not changed, yet we've received a HV
1556 interrupt. According to tests run by various people this
1557 happens when pressing the mute button. */
1558 val ^= 0x8000;
1559 break;
1560 case 0xaa:
1561 /* counters increased by 1 -> volume up */
1562 if ((val & 0x7f) > 0)
1563 val--;
1564 if ((val & 0x7f00) > 0)
1565 val -= 0x0100;
1566 break;
1567 case 0x66:
1568 /* counters decreased by 1 -> volume down */
1569 if ((val & 0x7f) < 0x1f)
1570 val++;
1571 if ((val & 0x7f00) < 0x1f00)
1572 val += 0x0100;
1573 break;
1574 }
1575 if (snd_ac97_update(chip->ac97, AC97_MASTER, val))
1576 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1577 &chip->master_switch->id);
1578#else
1579 if (!chip->input_dev)
1580 return;
1581
1582 val = 0;
1583 switch (x) {
1584 case 0x88:
1585 /* The counters have not changed, yet we've received a HV
1586 interrupt. According to tests run by various people this
1587 happens when pressing the mute button. */
1588 val = KEY_MUTE;
1589 break;
1590 case 0xaa:
1591 /* counters increased by 1 -> volume up */
1592 val = KEY_VOLUMEUP;
1593 break;
1594 case 0x66:
1595 /* counters decreased by 1 -> volume down */
1596 val = KEY_VOLUMEDOWN;
1597 break;
1598 }
1599
1600 if (val) {
1601 input_report_key(chip->input_dev, val, 1);
1602 input_sync(chip->input_dev);
1603 input_report_key(chip->input_dev, val, 0);
1604 input_sync(chip->input_dev);
1605 }
1606#endif
1607}
1608
1609static irqreturn_t snd_m3_interrupt(int irq, void *dev_id)
1610{
1611 struct snd_m3 *chip = dev_id;
1612 u8 status;
1613 int i;
1614
1615 status = inb(chip->iobase + HOST_INT_STATUS);
1616
1617 if (status == 0xff)
1618 return IRQ_NONE;
1619
1620 if (status & HV_INT_PENDING)
1621 schedule_work(&chip->hwvol_work);
1622
1623 /*
1624 * ack an assp int if its running
1625 * and has an int pending
1626 */
1627 if (status & ASSP_INT_PENDING) {
1628 u8 ctl = inb(chip->iobase + ASSP_CONTROL_B);
1629 if (!(ctl & STOP_ASSP_CLOCK)) {
1630 ctl = inb(chip->iobase + ASSP_HOST_INT_STATUS);
1631 if (ctl & DSP2HOST_REQ_TIMER) {
1632 outb(DSP2HOST_REQ_TIMER, chip->iobase + ASSP_HOST_INT_STATUS);
1633 /* update adc/dac info if it was a timer int */
1634 spin_lock(&chip->reg_lock);
1635 for (i = 0; i < chip->num_substreams; i++) {
1636 struct m3_dma *s = &chip->substreams[i];
1637 if (s->running)
1638 snd_m3_update_ptr(chip, s);
1639 }
1640 spin_unlock(&chip->reg_lock);
1641 }
1642 }
1643 }
1644
1645#if 0 /* TODO: not supported yet */
1646 if ((status & MPU401_INT_PENDING) && chip->rmidi)
1647 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs);
1648#endif
1649
1650 /* ack ints */
1651 outb(status, chip->iobase + HOST_INT_STATUS);
1652
1653 return IRQ_HANDLED;
1654}
1655
1656
1657/*
1658 */
1659
1660static const struct snd_pcm_hardware snd_m3_playback =
1661{
1662 .info = (SNDRV_PCM_INFO_MMAP |
1663 SNDRV_PCM_INFO_INTERLEAVED |
1664 SNDRV_PCM_INFO_MMAP_VALID |
1665 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1666 /*SNDRV_PCM_INFO_PAUSE |*/
1667 SNDRV_PCM_INFO_RESUME),
1668 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1669 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1670 .rate_min = 8000,
1671 .rate_max = 48000,
1672 .channels_min = 1,
1673 .channels_max = 2,
1674 .buffer_bytes_max = (512*1024),
1675 .period_bytes_min = 64,
1676 .period_bytes_max = (512*1024),
1677 .periods_min = 1,
1678 .periods_max = 1024,
1679};
1680
1681static const struct snd_pcm_hardware snd_m3_capture =
1682{
1683 .info = (SNDRV_PCM_INFO_MMAP |
1684 SNDRV_PCM_INFO_INTERLEAVED |
1685 SNDRV_PCM_INFO_MMAP_VALID |
1686 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1687 /*SNDRV_PCM_INFO_PAUSE |*/
1688 SNDRV_PCM_INFO_RESUME),
1689 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1690 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1691 .rate_min = 8000,
1692 .rate_max = 48000,
1693 .channels_min = 1,
1694 .channels_max = 2,
1695 .buffer_bytes_max = (512*1024),
1696 .period_bytes_min = 64,
1697 .period_bytes_max = (512*1024),
1698 .periods_min = 1,
1699 .periods_max = 1024,
1700};
1701
1702
1703/*
1704 */
1705
1706static int
1707snd_m3_substream_open(struct snd_m3 *chip, struct snd_pcm_substream *subs)
1708{
1709 int i;
1710 struct m3_dma *s;
1711
1712 spin_lock_irq(&chip->reg_lock);
1713 for (i = 0; i < chip->num_substreams; i++) {
1714 s = &chip->substreams[i];
1715 if (! s->opened)
1716 goto __found;
1717 }
1718 spin_unlock_irq(&chip->reg_lock);
1719 return -ENOMEM;
1720__found:
1721 s->opened = 1;
1722 s->running = 0;
1723 spin_unlock_irq(&chip->reg_lock);
1724
1725 subs->runtime->private_data = s;
1726 s->substream = subs;
1727
1728 /* set list owners */
1729 if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1730 s->index_list[0] = &chip->mixer_list;
1731 } else
1732 s->index_list[0] = &chip->adc1_list;
1733 s->index_list[1] = &chip->msrc_list;
1734 s->index_list[2] = &chip->dma_list;
1735
1736 return 0;
1737}
1738
1739static void
1740snd_m3_substream_close(struct snd_m3 *chip, struct snd_pcm_substream *subs)
1741{
1742 struct m3_dma *s = subs->runtime->private_data;
1743
1744 if (s == NULL)
1745 return; /* not opened properly */
1746
1747 spin_lock_irq(&chip->reg_lock);
1748 if (s->substream && s->running)
1749 snd_m3_pcm_stop(chip, s, s->substream); /* does this happen? */
1750 if (s->in_lists) {
1751 snd_m3_remove_list(chip, s->index_list[0], s->index[0]);
1752 snd_m3_remove_list(chip, s->index_list[1], s->index[1]);
1753 snd_m3_remove_list(chip, s->index_list[2], s->index[2]);
1754 s->in_lists = 0;
1755 }
1756 s->running = 0;
1757 s->opened = 0;
1758 spin_unlock_irq(&chip->reg_lock);
1759}
1760
1761static int
1762snd_m3_playback_open(struct snd_pcm_substream *subs)
1763{
1764 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1765 struct snd_pcm_runtime *runtime = subs->runtime;
1766 int err;
1767
1768 err = snd_m3_substream_open(chip, subs);
1769 if (err < 0)
1770 return err;
1771
1772 runtime->hw = snd_m3_playback;
1773
1774 return 0;
1775}
1776
1777static int
1778snd_m3_playback_close(struct snd_pcm_substream *subs)
1779{
1780 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1781
1782 snd_m3_substream_close(chip, subs);
1783 return 0;
1784}
1785
1786static int
1787snd_m3_capture_open(struct snd_pcm_substream *subs)
1788{
1789 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1790 struct snd_pcm_runtime *runtime = subs->runtime;
1791 int err;
1792
1793 err = snd_m3_substream_open(chip, subs);
1794 if (err < 0)
1795 return err;
1796
1797 runtime->hw = snd_m3_capture;
1798
1799 return 0;
1800}
1801
1802static int
1803snd_m3_capture_close(struct snd_pcm_substream *subs)
1804{
1805 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1806
1807 snd_m3_substream_close(chip, subs);
1808 return 0;
1809}
1810
1811/*
1812 * create pcm instance
1813 */
1814
1815static const struct snd_pcm_ops snd_m3_playback_ops = {
1816 .open = snd_m3_playback_open,
1817 .close = snd_m3_playback_close,
1818 .hw_params = snd_m3_pcm_hw_params,
1819 .hw_free = snd_m3_pcm_hw_free,
1820 .prepare = snd_m3_pcm_prepare,
1821 .trigger = snd_m3_pcm_trigger,
1822 .pointer = snd_m3_pcm_pointer,
1823};
1824
1825static const struct snd_pcm_ops snd_m3_capture_ops = {
1826 .open = snd_m3_capture_open,
1827 .close = snd_m3_capture_close,
1828 .hw_params = snd_m3_pcm_hw_params,
1829 .hw_free = snd_m3_pcm_hw_free,
1830 .prepare = snd_m3_pcm_prepare,
1831 .trigger = snd_m3_pcm_trigger,
1832 .pointer = snd_m3_pcm_pointer,
1833};
1834
1835static int
1836snd_m3_pcm(struct snd_m3 * chip, int device)
1837{
1838 struct snd_pcm *pcm;
1839 int err;
1840
1841 err = snd_pcm_new(chip->card, chip->card->driver, device,
1842 MAX_PLAYBACKS, MAX_CAPTURES, &pcm);
1843 if (err < 0)
1844 return err;
1845
1846 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_m3_playback_ops);
1847 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_m3_capture_ops);
1848
1849 pcm->private_data = chip;
1850 pcm->info_flags = 0;
1851 strcpy(pcm->name, chip->card->driver);
1852 chip->pcm = pcm;
1853
1854 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1855 &chip->pci->dev, 64*1024, 64*1024);
1856
1857 return 0;
1858}
1859
1860
1861/*
1862 * ac97 interface
1863 */
1864
1865/*
1866 * Wait for the ac97 serial bus to be free.
1867 * return nonzero if the bus is still busy.
1868 */
1869static int snd_m3_ac97_wait(struct snd_m3 *chip)
1870{
1871 int i = 10000;
1872
1873 do {
1874 if (! (snd_m3_inb(chip, 0x30) & 1))
1875 return 0;
1876 cpu_relax();
1877 } while (i-- > 0);
1878
1879 dev_err(chip->card->dev, "ac97 serial bus busy\n");
1880 return 1;
1881}
1882
1883static unsigned short
1884snd_m3_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
1885{
1886 struct snd_m3 *chip = ac97->private_data;
1887 unsigned short data = 0xffff;
1888
1889 if (snd_m3_ac97_wait(chip))
1890 goto fail;
1891 snd_m3_outb(chip, 0x80 | (reg & 0x7f), CODEC_COMMAND);
1892 if (snd_m3_ac97_wait(chip))
1893 goto fail;
1894 data = snd_m3_inw(chip, CODEC_DATA);
1895fail:
1896 return data;
1897}
1898
1899static void
1900snd_m3_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val)
1901{
1902 struct snd_m3 *chip = ac97->private_data;
1903
1904 if (snd_m3_ac97_wait(chip))
1905 return;
1906 snd_m3_outw(chip, val, CODEC_DATA);
1907 snd_m3_outb(chip, reg & 0x7f, CODEC_COMMAND);
1908 /*
1909 * Workaround for buggy ES1988 integrated AC'97 codec. It remains silent
1910 * until the MASTER volume or mute is touched (alsactl restore does not
1911 * work).
1912 */
1913 if (ac97->id == 0x45838308 && reg == AC97_MASTER) {
1914 snd_m3_ac97_wait(chip);
1915 snd_m3_outw(chip, val, CODEC_DATA);
1916 snd_m3_outb(chip, reg & 0x7f, CODEC_COMMAND);
1917 }
1918}
1919
1920
1921static void snd_m3_remote_codec_config(struct snd_m3 *chip, int isremote)
1922{
1923 int io = chip->iobase;
1924 u16 tmp;
1925
1926 isremote = isremote ? 1 : 0;
1927
1928 tmp = inw(io + RING_BUS_CTRL_B) & ~SECOND_CODEC_ID_MASK;
1929 /* enable dock on Dell Latitude C810 */
1930 if (chip->pci->subsystem_vendor == 0x1028 &&
1931 chip->pci->subsystem_device == 0x00e5)
1932 tmp |= M3I_DOCK_ENABLE;
1933 outw(tmp | isremote, io + RING_BUS_CTRL_B);
1934 outw((inw(io + SDO_OUT_DEST_CTRL) & ~COMMAND_ADDR_OUT) | isremote,
1935 io + SDO_OUT_DEST_CTRL);
1936 outw((inw(io + SDO_IN_DEST_CTRL) & ~STATUS_ADDR_IN) | isremote,
1937 io + SDO_IN_DEST_CTRL);
1938}
1939
1940/*
1941 * hack, returns non zero on err
1942 */
1943static int snd_m3_try_read_vendor(struct snd_m3 *chip)
1944{
1945 u16 ret;
1946
1947 if (snd_m3_ac97_wait(chip))
1948 return 1;
1949
1950 snd_m3_outb(chip, 0x80 | (AC97_VENDOR_ID1 & 0x7f), 0x30);
1951
1952 if (snd_m3_ac97_wait(chip))
1953 return 1;
1954
1955 ret = snd_m3_inw(chip, 0x32);
1956
1957 return (ret == 0) || (ret == 0xffff);
1958}
1959
1960static void snd_m3_ac97_reset(struct snd_m3 *chip)
1961{
1962 u16 dir;
1963 int delay1 = 0, delay2 = 0, i;
1964 int io = chip->iobase;
1965
1966 if (chip->allegro_flag) {
1967 /*
1968 * the onboard codec on the allegro seems
1969 * to want to wait a very long time before
1970 * coming back to life
1971 */
1972 delay1 = 50;
1973 delay2 = 800;
1974 } else {
1975 /* maestro3 */
1976 delay1 = 20;
1977 delay2 = 500;
1978 }
1979
1980 for (i = 0; i < 5; i++) {
1981 dir = inw(io + GPIO_DIRECTION);
1982 if (!chip->irda_workaround)
1983 dir |= 0x10; /* assuming pci bus master? */
1984
1985 snd_m3_remote_codec_config(chip, 0);
1986
1987 outw(IO_SRAM_ENABLE, io + RING_BUS_CTRL_A);
1988 udelay(20);
1989
1990 outw(dir & ~GPO_PRIMARY_AC97 , io + GPIO_DIRECTION);
1991 outw(~GPO_PRIMARY_AC97 , io + GPIO_MASK);
1992 outw(0, io + GPIO_DATA);
1993 outw(dir | GPO_PRIMARY_AC97, io + GPIO_DIRECTION);
1994
1995 schedule_timeout_uninterruptible(msecs_to_jiffies(delay1));
1996
1997 outw(GPO_PRIMARY_AC97, io + GPIO_DATA);
1998 udelay(5);
1999 /* ok, bring back the ac-link */
2000 outw(IO_SRAM_ENABLE | SERIAL_AC_LINK_ENABLE, io + RING_BUS_CTRL_A);
2001 outw(~0, io + GPIO_MASK);
2002
2003 schedule_timeout_uninterruptible(msecs_to_jiffies(delay2));
2004
2005 if (! snd_m3_try_read_vendor(chip))
2006 break;
2007
2008 delay1 += 10;
2009 delay2 += 100;
2010
2011 dev_dbg(chip->card->dev,
2012 "retrying codec reset with delays of %d and %d ms\n",
2013 delay1, delay2);
2014 }
2015
2016#if 0
2017 /* more gung-ho reset that doesn't
2018 * seem to work anywhere :)
2019 */
2020 tmp = inw(io + RING_BUS_CTRL_A);
2021 outw(RAC_SDFS_ENABLE|LAC_SDFS_ENABLE, io + RING_BUS_CTRL_A);
2022 msleep(20);
2023 outw(tmp, io + RING_BUS_CTRL_A);
2024 msleep(50);
2025#endif
2026}
2027
2028static int snd_m3_mixer(struct snd_m3 *chip)
2029{
2030 struct snd_ac97_bus *pbus;
2031 struct snd_ac97_template ac97;
2032#ifndef CONFIG_SND_MAESTRO3_INPUT
2033 struct snd_ctl_elem_id elem_id;
2034#endif
2035 int err;
2036 static const struct snd_ac97_bus_ops ops = {
2037 .write = snd_m3_ac97_write,
2038 .read = snd_m3_ac97_read,
2039 };
2040
2041 err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus);
2042 if (err < 0)
2043 return err;
2044
2045 memset(&ac97, 0, sizeof(ac97));
2046 ac97.private_data = chip;
2047 err = snd_ac97_mixer(pbus, &ac97, &chip->ac97);
2048 if (err < 0)
2049 return err;
2050
2051 /* seems ac97 PCM needs initialization.. hack hack.. */
2052 snd_ac97_write(chip->ac97, AC97_PCM, 0x8000 | (15 << 8) | 15);
2053 schedule_timeout_uninterruptible(msecs_to_jiffies(100));
2054 snd_ac97_write(chip->ac97, AC97_PCM, 0);
2055
2056#ifndef CONFIG_SND_MAESTRO3_INPUT
2057 memset(&elem_id, 0, sizeof(elem_id));
2058 elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2059 strcpy(elem_id.name, "Master Playback Switch");
2060 chip->master_switch = snd_ctl_find_id(chip->card, &elem_id);
2061 memset(&elem_id, 0, sizeof(elem_id));
2062 elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2063 strcpy(elem_id.name, "Master Playback Volume");
2064 chip->master_volume = snd_ctl_find_id(chip->card, &elem_id);
2065#endif
2066
2067 return 0;
2068}
2069
2070
2071/*
2072 * initialize ASSP
2073 */
2074
2075#define MINISRC_LPF_LEN 10
2076static const u16 minisrc_lpf[MINISRC_LPF_LEN] = {
2077 0X0743, 0X1104, 0X0A4C, 0XF88D, 0X242C,
2078 0X1023, 0X1AA9, 0X0B60, 0XEFDD, 0X186F
2079};
2080
2081static void snd_m3_assp_init(struct snd_m3 *chip)
2082{
2083 unsigned int i;
2084 const __le16 *data;
2085
2086 /* zero kernel data */
2087 for (i = 0; i < (REV_B_DATA_MEMORY_UNIT_LENGTH * NUM_UNITS_KERNEL_DATA) / 2; i++)
2088 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2089 KDATA_BASE_ADDR + i, 0);
2090
2091 /* zero mixer data? */
2092 for (i = 0; i < (REV_B_DATA_MEMORY_UNIT_LENGTH * NUM_UNITS_KERNEL_DATA) / 2; i++)
2093 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2094 KDATA_BASE_ADDR2 + i, 0);
2095
2096 /* init dma pointer */
2097 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2098 KDATA_CURRENT_DMA,
2099 KDATA_DMA_XFER0);
2100
2101 /* write kernel into code memory.. */
2102 data = (const __le16 *)chip->assp_kernel_image->data;
2103 for (i = 0 ; i * 2 < chip->assp_kernel_image->size; i++) {
2104 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2105 REV_B_CODE_MEMORY_BEGIN + i,
2106 le16_to_cpu(data[i]));
2107 }
2108
2109 /*
2110 * We only have this one client and we know that 0x400
2111 * is free in our kernel's mem map, so lets just
2112 * drop it there. It seems that the minisrc doesn't
2113 * need vectors, so we won't bother with them..
2114 */
2115 data = (const __le16 *)chip->assp_minisrc_image->data;
2116 for (i = 0; i * 2 < chip->assp_minisrc_image->size; i++) {
2117 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2118 0x400 + i, le16_to_cpu(data[i]));
2119 }
2120
2121 /*
2122 * write the coefficients for the low pass filter?
2123 */
2124 for (i = 0; i < MINISRC_LPF_LEN ; i++) {
2125 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2126 0x400 + MINISRC_COEF_LOC + i,
2127 minisrc_lpf[i]);
2128 }
2129
2130 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2131 0x400 + MINISRC_COEF_LOC + MINISRC_LPF_LEN,
2132 0x8000);
2133
2134 /*
2135 * the minisrc is the only thing on
2136 * our task list..
2137 */
2138 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2139 KDATA_TASK0,
2140 0x400);
2141
2142 /*
2143 * init the mixer number..
2144 */
2145
2146 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2147 KDATA_MIXER_TASK_NUMBER,0);
2148
2149 /*
2150 * EXTREME KERNEL MASTER VOLUME
2151 */
2152 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2153 KDATA_DAC_LEFT_VOLUME, ARB_VOLUME);
2154 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2155 KDATA_DAC_RIGHT_VOLUME, ARB_VOLUME);
2156
2157 chip->mixer_list.curlen = 0;
2158 chip->mixer_list.mem_addr = KDATA_MIXER_XFER0;
2159 chip->mixer_list.max = MAX_VIRTUAL_MIXER_CHANNELS;
2160 chip->adc1_list.curlen = 0;
2161 chip->adc1_list.mem_addr = KDATA_ADC1_XFER0;
2162 chip->adc1_list.max = MAX_VIRTUAL_ADC1_CHANNELS;
2163 chip->dma_list.curlen = 0;
2164 chip->dma_list.mem_addr = KDATA_DMA_XFER0;
2165 chip->dma_list.max = MAX_VIRTUAL_DMA_CHANNELS;
2166 chip->msrc_list.curlen = 0;
2167 chip->msrc_list.mem_addr = KDATA_INSTANCE0_MINISRC;
2168 chip->msrc_list.max = MAX_INSTANCE_MINISRC;
2169}
2170
2171
2172static int snd_m3_assp_client_init(struct snd_m3 *chip, struct m3_dma *s, int index)
2173{
2174 int data_bytes = 2 * ( MINISRC_TMP_BUFFER_SIZE / 2 +
2175 MINISRC_IN_BUFFER_SIZE / 2 +
2176 1 + MINISRC_OUT_BUFFER_SIZE / 2 + 1 );
2177 int address, i;
2178
2179 /*
2180 * the revb memory map has 0x1100 through 0x1c00
2181 * free.
2182 */
2183
2184 /*
2185 * align instance address to 256 bytes so that its
2186 * shifted list address is aligned.
2187 * list address = (mem address >> 1) >> 7;
2188 */
2189 data_bytes = ALIGN(data_bytes, 256);
2190 address = 0x1100 + ((data_bytes/2) * index);
2191
2192 if ((address + (data_bytes/2)) >= 0x1c00) {
2193 dev_err(chip->card->dev,
2194 "no memory for %d bytes at ind %d (addr 0x%x)\n",
2195 data_bytes, index, address);
2196 return -ENOMEM;
2197 }
2198
2199 s->number = index;
2200 s->inst.code = 0x400;
2201 s->inst.data = address;
2202
2203 for (i = data_bytes / 2; i > 0; address++, i--) {
2204 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2205 address, 0);
2206 }
2207
2208 return 0;
2209}
2210
2211
2212/*
2213 * this works for the reference board, have to find
2214 * out about others
2215 *
2216 * this needs more magic for 4 speaker, but..
2217 */
2218static void
2219snd_m3_amp_enable(struct snd_m3 *chip, int enable)
2220{
2221 int io = chip->iobase;
2222 u16 gpo, polarity;
2223
2224 if (! chip->external_amp)
2225 return;
2226
2227 polarity = enable ? 0 : 1;
2228 polarity = polarity << chip->amp_gpio;
2229 gpo = 1 << chip->amp_gpio;
2230
2231 outw(~gpo, io + GPIO_MASK);
2232
2233 outw(inw(io + GPIO_DIRECTION) | gpo,
2234 io + GPIO_DIRECTION);
2235
2236 outw((GPO_SECONDARY_AC97 | GPO_PRIMARY_AC97 | polarity),
2237 io + GPIO_DATA);
2238
2239 outw(0xffff, io + GPIO_MASK);
2240}
2241
2242static void
2243snd_m3_hv_init(struct snd_m3 *chip)
2244{
2245 unsigned long io = chip->iobase;
2246 u16 val = GPI_VOL_DOWN | GPI_VOL_UP;
2247
2248 if (!chip->is_omnibook)
2249 return;
2250
2251 /*
2252 * Volume buttons on some HP OmniBook laptops
2253 * require some GPIO magic to work correctly.
2254 */
2255 outw(0xffff, io + GPIO_MASK);
2256 outw(0x0000, io + GPIO_DATA);
2257
2258 outw(~val, io + GPIO_MASK);
2259 outw(inw(io + GPIO_DIRECTION) & ~val, io + GPIO_DIRECTION);
2260 outw(val, io + GPIO_MASK);
2261
2262 outw(0xffff, io + GPIO_MASK);
2263}
2264
2265static int
2266snd_m3_chip_init(struct snd_m3 *chip)
2267{
2268 struct pci_dev *pcidev = chip->pci;
2269 unsigned long io = chip->iobase;
2270 u32 n;
2271 u16 w;
2272 u8 t; /* makes as much sense as 'n', no? */
2273
2274 pci_read_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, &w);
2275 w &= ~(SOUND_BLASTER_ENABLE|FM_SYNTHESIS_ENABLE|
2276 MPU401_IO_ENABLE|MPU401_IRQ_ENABLE|ALIAS_10BIT_IO|
2277 DISABLE_LEGACY);
2278 pci_write_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, w);
2279
2280 pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n);
2281 n &= ~(HV_CTRL_ENABLE | REDUCED_DEBOUNCE | HV_BUTTON_FROM_GD);
2282 n |= chip->hv_config;
2283 /* For some reason we must always use reduced debounce. */
2284 n |= REDUCED_DEBOUNCE;
2285 n |= PM_CTRL_ENABLE | CLK_DIV_BY_49 | USE_PCI_TIMING;
2286 pci_write_config_dword(pcidev, PCI_ALLEGRO_CONFIG, n);
2287
2288 outb(RESET_ASSP, chip->iobase + ASSP_CONTROL_B);
2289 pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n);
2290 n &= ~INT_CLK_SELECT;
2291 if (!chip->allegro_flag) {
2292 n &= ~INT_CLK_MULT_ENABLE;
2293 n |= INT_CLK_SRC_NOT_PCI;
2294 }
2295 n &= ~( CLK_MULT_MODE_SELECT | CLK_MULT_MODE_SELECT_2 );
2296 pci_write_config_dword(pcidev, PCI_ALLEGRO_CONFIG, n);
2297
2298 if (chip->allegro_flag) {
2299 pci_read_config_dword(pcidev, PCI_USER_CONFIG, &n);
2300 n |= IN_CLK_12MHZ_SELECT;
2301 pci_write_config_dword(pcidev, PCI_USER_CONFIG, n);
2302 }
2303
2304 t = inb(chip->iobase + ASSP_CONTROL_A);
2305 t &= ~( DSP_CLK_36MHZ_SELECT | ASSP_CLK_49MHZ_SELECT);
2306 t |= ASSP_CLK_49MHZ_SELECT;
2307 t |= ASSP_0_WS_ENABLE;
2308 outb(t, chip->iobase + ASSP_CONTROL_A);
2309
2310 snd_m3_assp_init(chip); /* download DSP code before starting ASSP below */
2311 outb(RUN_ASSP, chip->iobase + ASSP_CONTROL_B);
2312
2313 outb(0x00, io + HARDWARE_VOL_CTRL);
2314 outb(0x88, io + SHADOW_MIX_REG_VOICE);
2315 outb(0x88, io + HW_VOL_COUNTER_VOICE);
2316 outb(0x88, io + SHADOW_MIX_REG_MASTER);
2317 outb(0x88, io + HW_VOL_COUNTER_MASTER);
2318
2319 return 0;
2320}
2321
2322static void
2323snd_m3_enable_ints(struct snd_m3 *chip)
2324{
2325 unsigned long io = chip->iobase;
2326 unsigned short val;
2327
2328 /* TODO: MPU401 not supported yet */
2329 val = ASSP_INT_ENABLE /*| MPU401_INT_ENABLE*/;
2330 if (chip->hv_config & HV_CTRL_ENABLE)
2331 val |= HV_INT_ENABLE;
2332 outb(val, chip->iobase + HOST_INT_STATUS);
2333 outw(val, io + HOST_INT_CTRL);
2334 outb(inb(io + ASSP_CONTROL_C) | ASSP_HOST_INT_ENABLE,
2335 io + ASSP_CONTROL_C);
2336}
2337
2338
2339/*
2340 */
2341
2342static void snd_m3_free(struct snd_card *card)
2343{
2344 struct snd_m3 *chip = card->private_data;
2345 struct m3_dma *s;
2346 int i;
2347
2348 cancel_work_sync(&chip->hwvol_work);
2349
2350 if (chip->substreams) {
2351 spin_lock_irq(&chip->reg_lock);
2352 for (i = 0; i < chip->num_substreams; i++) {
2353 s = &chip->substreams[i];
2354 /* check surviving pcms; this should not happen though.. */
2355 if (s->substream && s->running)
2356 snd_m3_pcm_stop(chip, s, s->substream);
2357 }
2358 spin_unlock_irq(&chip->reg_lock);
2359 }
2360 if (chip->iobase) {
2361 outw(0, chip->iobase + HOST_INT_CTRL); /* disable ints */
2362 }
2363
2364#ifdef CONFIG_PM_SLEEP
2365 vfree(chip->suspend_mem);
2366#endif
2367 release_firmware(chip->assp_kernel_image);
2368 release_firmware(chip->assp_minisrc_image);
2369}
2370
2371
2372/*
2373 * APM support
2374 */
2375#ifdef CONFIG_PM_SLEEP
2376static int m3_suspend(struct device *dev)
2377{
2378 struct snd_card *card = dev_get_drvdata(dev);
2379 struct snd_m3 *chip = card->private_data;
2380 int i, dsp_index;
2381
2382 if (chip->suspend_mem == NULL)
2383 return 0;
2384
2385 chip->in_suspend = 1;
2386 cancel_work_sync(&chip->hwvol_work);
2387 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2388 snd_ac97_suspend(chip->ac97);
2389
2390 msleep(10); /* give the assp a chance to idle.. */
2391
2392 snd_m3_assp_halt(chip);
2393
2394 /* save dsp image */
2395 dsp_index = 0;
2396 for (i = REV_B_CODE_MEMORY_BEGIN; i <= REV_B_CODE_MEMORY_END; i++)
2397 chip->suspend_mem[dsp_index++] =
2398 snd_m3_assp_read(chip, MEMTYPE_INTERNAL_CODE, i);
2399 for (i = REV_B_DATA_MEMORY_BEGIN ; i <= REV_B_DATA_MEMORY_END; i++)
2400 chip->suspend_mem[dsp_index++] =
2401 snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA, i);
2402 return 0;
2403}
2404
2405static int m3_resume(struct device *dev)
2406{
2407 struct snd_card *card = dev_get_drvdata(dev);
2408 struct snd_m3 *chip = card->private_data;
2409 int i, dsp_index;
2410
2411 if (chip->suspend_mem == NULL)
2412 return 0;
2413
2414 /* first lets just bring everything back. .*/
2415 snd_m3_outw(chip, 0, 0x54);
2416 snd_m3_outw(chip, 0, 0x56);
2417
2418 snd_m3_chip_init(chip);
2419 snd_m3_assp_halt(chip);
2420 snd_m3_ac97_reset(chip);
2421
2422 /* restore dsp image */
2423 dsp_index = 0;
2424 for (i = REV_B_CODE_MEMORY_BEGIN; i <= REV_B_CODE_MEMORY_END; i++)
2425 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, i,
2426 chip->suspend_mem[dsp_index++]);
2427 for (i = REV_B_DATA_MEMORY_BEGIN ; i <= REV_B_DATA_MEMORY_END; i++)
2428 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, i,
2429 chip->suspend_mem[dsp_index++]);
2430
2431 /* tell the dma engine to restart itself */
2432 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2433 KDATA_DMA_ACTIVE, 0);
2434
2435 /* restore ac97 registers */
2436 snd_ac97_resume(chip->ac97);
2437
2438 snd_m3_assp_continue(chip);
2439 snd_m3_enable_ints(chip);
2440 snd_m3_amp_enable(chip, 1);
2441
2442 snd_m3_hv_init(chip);
2443
2444 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2445 chip->in_suspend = 0;
2446 return 0;
2447}
2448
2449static SIMPLE_DEV_PM_OPS(m3_pm, m3_suspend, m3_resume);
2450#define M3_PM_OPS &m3_pm
2451#else
2452#define M3_PM_OPS NULL
2453#endif /* CONFIG_PM_SLEEP */
2454
2455#ifdef CONFIG_SND_MAESTRO3_INPUT
2456static int snd_m3_input_register(struct snd_m3 *chip)
2457{
2458 struct input_dev *input_dev;
2459 int err;
2460
2461 input_dev = devm_input_allocate_device(&chip->pci->dev);
2462 if (!input_dev)
2463 return -ENOMEM;
2464
2465 snprintf(chip->phys, sizeof(chip->phys), "pci-%s/input0",
2466 pci_name(chip->pci));
2467
2468 input_dev->name = chip->card->driver;
2469 input_dev->phys = chip->phys;
2470 input_dev->id.bustype = BUS_PCI;
2471 input_dev->id.vendor = chip->pci->vendor;
2472 input_dev->id.product = chip->pci->device;
2473 input_dev->dev.parent = &chip->pci->dev;
2474
2475 __set_bit(EV_KEY, input_dev->evbit);
2476 __set_bit(KEY_MUTE, input_dev->keybit);
2477 __set_bit(KEY_VOLUMEDOWN, input_dev->keybit);
2478 __set_bit(KEY_VOLUMEUP, input_dev->keybit);
2479
2480 err = input_register_device(input_dev);
2481 if (err)
2482 return err;
2483
2484 chip->input_dev = input_dev;
2485 return 0;
2486}
2487#endif /* CONFIG_INPUT */
2488
2489/*
2490 */
2491
2492static int
2493snd_m3_create(struct snd_card *card, struct pci_dev *pci,
2494 int enable_amp,
2495 int amp_gpio)
2496{
2497 struct snd_m3 *chip = card->private_data;
2498 int i, err;
2499 const struct snd_pci_quirk *quirk;
2500
2501 if (pcim_enable_device(pci))
2502 return -EIO;
2503
2504 /* check, if we can restrict PCI DMA transfers to 28 bits */
2505 if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(28))) {
2506 dev_err(card->dev,
2507 "architecture does not support 28bit PCI busmaster DMA\n");
2508 return -ENXIO;
2509 }
2510
2511 spin_lock_init(&chip->reg_lock);
2512
2513 switch (pci->device) {
2514 case PCI_DEVICE_ID_ESS_ALLEGRO:
2515 case PCI_DEVICE_ID_ESS_ALLEGRO_1:
2516 case PCI_DEVICE_ID_ESS_CANYON3D_2LE:
2517 case PCI_DEVICE_ID_ESS_CANYON3D_2:
2518 chip->allegro_flag = 1;
2519 break;
2520 }
2521
2522 chip->card = card;
2523 chip->pci = pci;
2524 chip->irq = -1;
2525 INIT_WORK(&chip->hwvol_work, snd_m3_update_hw_volume);
2526 card->private_free = snd_m3_free;
2527
2528 chip->external_amp = enable_amp;
2529 if (amp_gpio >= 0 && amp_gpio <= 0x0f)
2530 chip->amp_gpio = amp_gpio;
2531 else {
2532 quirk = snd_pci_quirk_lookup(pci, m3_amp_quirk_list);
2533 if (quirk) {
2534 dev_info(card->dev, "set amp-gpio for '%s'\n",
2535 snd_pci_quirk_name(quirk));
2536 chip->amp_gpio = quirk->value;
2537 } else if (chip->allegro_flag)
2538 chip->amp_gpio = GPO_EXT_AMP_ALLEGRO;
2539 else /* presumably this is for all 'maestro3's.. */
2540 chip->amp_gpio = GPO_EXT_AMP_M3;
2541 }
2542
2543 quirk = snd_pci_quirk_lookup(pci, m3_irda_quirk_list);
2544 if (quirk) {
2545 dev_info(card->dev, "enabled irda workaround for '%s'\n",
2546 snd_pci_quirk_name(quirk));
2547 chip->irda_workaround = 1;
2548 }
2549 quirk = snd_pci_quirk_lookup(pci, m3_hv_quirk_list);
2550 if (quirk)
2551 chip->hv_config = quirk->value;
2552 if (snd_pci_quirk_lookup(pci, m3_omnibook_quirk_list))
2553 chip->is_omnibook = 1;
2554
2555 chip->num_substreams = NR_DSPS;
2556 chip->substreams = devm_kcalloc(&pci->dev, chip->num_substreams,
2557 sizeof(struct m3_dma), GFP_KERNEL);
2558 if (!chip->substreams)
2559 return -ENOMEM;
2560
2561 err = request_firmware(&chip->assp_kernel_image,
2562 "ess/maestro3_assp_kernel.fw", &pci->dev);
2563 if (err < 0)
2564 return err;
2565
2566 err = request_firmware(&chip->assp_minisrc_image,
2567 "ess/maestro3_assp_minisrc.fw", &pci->dev);
2568 if (err < 0)
2569 return err;
2570
2571 err = pci_request_regions(pci, card->driver);
2572 if (err < 0)
2573 return err;
2574
2575 chip->iobase = pci_resource_start(pci, 0);
2576
2577 /* just to be sure */
2578 pci_set_master(pci);
2579
2580 snd_m3_chip_init(chip);
2581 snd_m3_assp_halt(chip);
2582
2583 snd_m3_ac97_reset(chip);
2584
2585 snd_m3_amp_enable(chip, 1);
2586
2587 snd_m3_hv_init(chip);
2588
2589 if (devm_request_irq(&pci->dev, pci->irq, snd_m3_interrupt, IRQF_SHARED,
2590 KBUILD_MODNAME, chip)) {
2591 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2592 return -ENOMEM;
2593 }
2594 chip->irq = pci->irq;
2595 card->sync_irq = chip->irq;
2596
2597#ifdef CONFIG_PM_SLEEP
2598 chip->suspend_mem =
2599 vmalloc(array_size(sizeof(u16),
2600 REV_B_CODE_MEMORY_LENGTH +
2601 REV_B_DATA_MEMORY_LENGTH));
2602 if (chip->suspend_mem == NULL)
2603 dev_warn(card->dev, "can't allocate apm buffer\n");
2604#endif
2605
2606 err = snd_m3_mixer(chip);
2607 if (err < 0)
2608 return err;
2609
2610 for (i = 0; i < chip->num_substreams; i++) {
2611 struct m3_dma *s = &chip->substreams[i];
2612 err = snd_m3_assp_client_init(chip, s, i);
2613 if (err < 0)
2614 return err;
2615 }
2616
2617 err = snd_m3_pcm(chip, 0);
2618 if (err < 0)
2619 return err;
2620
2621#ifdef CONFIG_SND_MAESTRO3_INPUT
2622 if (chip->hv_config & HV_CTRL_ENABLE) {
2623 err = snd_m3_input_register(chip);
2624 if (err)
2625 dev_warn(card->dev,
2626 "Input device registration failed with error %i",
2627 err);
2628 }
2629#endif
2630
2631 snd_m3_enable_ints(chip);
2632 snd_m3_assp_continue(chip);
2633
2634 return 0;
2635}
2636
2637/*
2638 */
2639static int
2640__snd_m3_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2641{
2642 static int dev;
2643 struct snd_card *card;
2644 struct snd_m3 *chip;
2645 int err;
2646
2647 /* don't pick up modems */
2648 if (((pci->class >> 8) & 0xffff) != PCI_CLASS_MULTIMEDIA_AUDIO)
2649 return -ENODEV;
2650
2651 if (dev >= SNDRV_CARDS)
2652 return -ENODEV;
2653 if (!enable[dev]) {
2654 dev++;
2655 return -ENOENT;
2656 }
2657
2658 err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2659 sizeof(*chip), &card);
2660 if (err < 0)
2661 return err;
2662 chip = card->private_data;
2663
2664 switch (pci->device) {
2665 case PCI_DEVICE_ID_ESS_ALLEGRO:
2666 case PCI_DEVICE_ID_ESS_ALLEGRO_1:
2667 strcpy(card->driver, "Allegro");
2668 break;
2669 case PCI_DEVICE_ID_ESS_CANYON3D_2LE:
2670 case PCI_DEVICE_ID_ESS_CANYON3D_2:
2671 strcpy(card->driver, "Canyon3D-2");
2672 break;
2673 default:
2674 strcpy(card->driver, "Maestro3");
2675 break;
2676 }
2677
2678 err = snd_m3_create(card, pci, external_amp[dev], amp_gpio[dev]);
2679 if (err < 0)
2680 return err;
2681
2682 sprintf(card->shortname, "ESS %s PCI", card->driver);
2683 sprintf(card->longname, "%s at 0x%lx, irq %d",
2684 card->shortname, chip->iobase, chip->irq);
2685
2686 err = snd_card_register(card);
2687 if (err < 0)
2688 return err;
2689
2690#if 0 /* TODO: not supported yet */
2691 /* TODO enable MIDI IRQ and I/O */
2692 err = snd_mpu401_uart_new(chip->card, 0, MPU401_HW_MPU401,
2693 chip->iobase + MPU401_DATA_PORT,
2694 MPU401_INFO_INTEGRATED | MPU401_INFO_IRQ_HOOK,
2695 -1, &chip->rmidi);
2696 if (err < 0)
2697 dev_warn(card->dev, "no MIDI support.\n");
2698#endif
2699
2700 pci_set_drvdata(pci, card);
2701 dev++;
2702 return 0;
2703}
2704
2705static int
2706snd_m3_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2707{
2708 return snd_card_free_on_error(&pci->dev, __snd_m3_probe(pci, pci_id));
2709}
2710
2711static struct pci_driver m3_driver = {
2712 .name = KBUILD_MODNAME,
2713 .id_table = snd_m3_ids,
2714 .probe = snd_m3_probe,
2715 .driver = {
2716 .pm = M3_PM_OPS,
2717 },
2718};
2719
2720module_pci_driver(m3_driver);