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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_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 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 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 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 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 int err;
1385
1386 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
1387 return err;
1388 /* set buffer address */
1389 s->buffer_addr = substream->runtime->dma_addr;
1390 if (s->buffer_addr & 0x3) {
1391 dev_err(substream->pcm->card->dev, "oh my, not aligned\n");
1392 s->buffer_addr = s->buffer_addr & ~0x3;
1393 }
1394 return 0;
1395}
1396
1397static int snd_m3_pcm_hw_free(struct snd_pcm_substream *substream)
1398{
1399 struct m3_dma *s;
1400
1401 if (substream->runtime->private_data == NULL)
1402 return 0;
1403 s = substream->runtime->private_data;
1404 snd_pcm_lib_free_pages(substream);
1405 s->buffer_addr = 0;
1406 return 0;
1407}
1408
1409static int
1410snd_m3_pcm_prepare(struct snd_pcm_substream *subs)
1411{
1412 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1413 struct snd_pcm_runtime *runtime = subs->runtime;
1414 struct m3_dma *s = runtime->private_data;
1415
1416 if (snd_BUG_ON(!s))
1417 return -ENXIO;
1418
1419 if (runtime->format != SNDRV_PCM_FORMAT_U8 &&
1420 runtime->format != SNDRV_PCM_FORMAT_S16_LE)
1421 return -EINVAL;
1422 if (runtime->rate > 48000 ||
1423 runtime->rate < 8000)
1424 return -EINVAL;
1425
1426 spin_lock_irq(&chip->reg_lock);
1427
1428 snd_m3_pcm_setup1(chip, s, subs);
1429
1430 if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK)
1431 snd_m3_playback_setup(chip, s, subs);
1432 else
1433 snd_m3_capture_setup(chip, s, subs);
1434
1435 snd_m3_pcm_setup2(chip, s, runtime);
1436
1437 spin_unlock_irq(&chip->reg_lock);
1438
1439 return 0;
1440}
1441
1442/*
1443 * get current pointer
1444 */
1445static unsigned int
1446snd_m3_get_pointer(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1447{
1448 u16 hi = 0, lo = 0;
1449 int retry = 10;
1450 u32 addr;
1451
1452 /*
1453 * try and get a valid answer
1454 */
1455 while (retry--) {
1456 hi = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1457 s->inst.data + CDATA_HOST_SRC_CURRENTH);
1458
1459 lo = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1460 s->inst.data + CDATA_HOST_SRC_CURRENTL);
1461
1462 if (hi == snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1463 s->inst.data + CDATA_HOST_SRC_CURRENTH))
1464 break;
1465 }
1466 addr = lo | ((u32)hi<<16);
1467 return (unsigned int)(addr - s->buffer_addr);
1468}
1469
1470static snd_pcm_uframes_t
1471snd_m3_pcm_pointer(struct snd_pcm_substream *subs)
1472{
1473 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1474 unsigned int ptr;
1475 struct m3_dma *s = subs->runtime->private_data;
1476
1477 if (snd_BUG_ON(!s))
1478 return 0;
1479
1480 spin_lock(&chip->reg_lock);
1481 ptr = snd_m3_get_pointer(chip, s, subs);
1482 spin_unlock(&chip->reg_lock);
1483 return bytes_to_frames(subs->runtime, ptr);
1484}
1485
1486
1487/* update pointer */
1488/* spinlock held! */
1489static void snd_m3_update_ptr(struct snd_m3 *chip, struct m3_dma *s)
1490{
1491 struct snd_pcm_substream *subs = s->substream;
1492 unsigned int hwptr;
1493 int diff;
1494
1495 if (! s->running)
1496 return;
1497
1498 hwptr = snd_m3_get_pointer(chip, s, subs);
1499
1500 /* try to avoid expensive modulo divisions */
1501 if (hwptr >= s->dma_size)
1502 hwptr %= s->dma_size;
1503
1504 diff = s->dma_size + hwptr - s->hwptr;
1505 if (diff >= s->dma_size)
1506 diff %= s->dma_size;
1507
1508 s->hwptr = hwptr;
1509 s->count += diff;
1510
1511 if (s->count >= (signed)s->period_size) {
1512
1513 if (s->count < 2 * (signed)s->period_size)
1514 s->count -= (signed)s->period_size;
1515 else
1516 s->count %= s->period_size;
1517
1518 spin_unlock(&chip->reg_lock);
1519 snd_pcm_period_elapsed(subs);
1520 spin_lock(&chip->reg_lock);
1521 }
1522}
1523
1524/* The m3's hardware volume works by incrementing / decrementing 2 counters
1525 (without wrap around) in response to volume button presses and then
1526 generating an interrupt. The pair of counters is stored in bits 1-3 and 5-7
1527 of a byte wide register. The meaning of bits 0 and 4 is unknown. */
1528static void snd_m3_update_hw_volume(struct work_struct *work)
1529{
1530 struct snd_m3 *chip = container_of(work, struct snd_m3, hwvol_work);
1531 int x, val;
1532
1533 /* Figure out which volume control button was pushed,
1534 based on differences from the default register
1535 values. */
1536 x = inb(chip->iobase + SHADOW_MIX_REG_VOICE) & 0xee;
1537
1538 /* Reset the volume counters to 4. Tests on the allegro integrated
1539 into a Compaq N600C laptop, have revealed that:
1540 1) Writing any value will result in the 2 counters being reset to
1541 4 so writing 0x88 is not strictly necessary
1542 2) Writing to any of the 4 involved registers will reset all 4
1543 of them (and reading them always returns the same value for all
1544 of them)
1545 It could be that a maestro deviates from this, so leave the code
1546 as is. */
1547 outb(0x88, chip->iobase + SHADOW_MIX_REG_VOICE);
1548 outb(0x88, chip->iobase + HW_VOL_COUNTER_VOICE);
1549 outb(0x88, chip->iobase + SHADOW_MIX_REG_MASTER);
1550 outb(0x88, chip->iobase + HW_VOL_COUNTER_MASTER);
1551
1552 /* Ignore spurious HV interrupts during suspend / resume, this avoids
1553 mistaking them for a mute button press. */
1554 if (chip->in_suspend)
1555 return;
1556
1557#ifndef CONFIG_SND_MAESTRO3_INPUT
1558 if (!chip->master_switch || !chip->master_volume)
1559 return;
1560
1561 val = snd_ac97_read(chip->ac97, AC97_MASTER);
1562 switch (x) {
1563 case 0x88:
1564 /* The counters have not changed, yet we've received a HV
1565 interrupt. According to tests run by various people this
1566 happens when pressing the mute button. */
1567 val ^= 0x8000;
1568 break;
1569 case 0xaa:
1570 /* counters increased by 1 -> volume up */
1571 if ((val & 0x7f) > 0)
1572 val--;
1573 if ((val & 0x7f00) > 0)
1574 val -= 0x0100;
1575 break;
1576 case 0x66:
1577 /* counters decreased by 1 -> volume down */
1578 if ((val & 0x7f) < 0x1f)
1579 val++;
1580 if ((val & 0x7f00) < 0x1f00)
1581 val += 0x0100;
1582 break;
1583 }
1584 if (snd_ac97_update(chip->ac97, AC97_MASTER, val))
1585 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1586 &chip->master_switch->id);
1587#else
1588 if (!chip->input_dev)
1589 return;
1590
1591 val = 0;
1592 switch (x) {
1593 case 0x88:
1594 /* The counters have not changed, yet we've received a HV
1595 interrupt. According to tests run by various people this
1596 happens when pressing the mute button. */
1597 val = KEY_MUTE;
1598 break;
1599 case 0xaa:
1600 /* counters increased by 1 -> volume up */
1601 val = KEY_VOLUMEUP;
1602 break;
1603 case 0x66:
1604 /* counters decreased by 1 -> volume down */
1605 val = KEY_VOLUMEDOWN;
1606 break;
1607 }
1608
1609 if (val) {
1610 input_report_key(chip->input_dev, val, 1);
1611 input_sync(chip->input_dev);
1612 input_report_key(chip->input_dev, val, 0);
1613 input_sync(chip->input_dev);
1614 }
1615#endif
1616}
1617
1618static irqreturn_t snd_m3_interrupt(int irq, void *dev_id)
1619{
1620 struct snd_m3 *chip = dev_id;
1621 u8 status;
1622 int i;
1623
1624 status = inb(chip->iobase + HOST_INT_STATUS);
1625
1626 if (status == 0xff)
1627 return IRQ_NONE;
1628
1629 if (status & HV_INT_PENDING)
1630 schedule_work(&chip->hwvol_work);
1631
1632 /*
1633 * ack an assp int if its running
1634 * and has an int pending
1635 */
1636 if (status & ASSP_INT_PENDING) {
1637 u8 ctl = inb(chip->iobase + ASSP_CONTROL_B);
1638 if (!(ctl & STOP_ASSP_CLOCK)) {
1639 ctl = inb(chip->iobase + ASSP_HOST_INT_STATUS);
1640 if (ctl & DSP2HOST_REQ_TIMER) {
1641 outb(DSP2HOST_REQ_TIMER, chip->iobase + ASSP_HOST_INT_STATUS);
1642 /* update adc/dac info if it was a timer int */
1643 spin_lock(&chip->reg_lock);
1644 for (i = 0; i < chip->num_substreams; i++) {
1645 struct m3_dma *s = &chip->substreams[i];
1646 if (s->running)
1647 snd_m3_update_ptr(chip, s);
1648 }
1649 spin_unlock(&chip->reg_lock);
1650 }
1651 }
1652 }
1653
1654#if 0 /* TODO: not supported yet */
1655 if ((status & MPU401_INT_PENDING) && chip->rmidi)
1656 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs);
1657#endif
1658
1659 /* ack ints */
1660 outb(status, chip->iobase + HOST_INT_STATUS);
1661
1662 return IRQ_HANDLED;
1663}
1664
1665
1666/*
1667 */
1668
1669static const struct snd_pcm_hardware snd_m3_playback =
1670{
1671 .info = (SNDRV_PCM_INFO_MMAP |
1672 SNDRV_PCM_INFO_INTERLEAVED |
1673 SNDRV_PCM_INFO_MMAP_VALID |
1674 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1675 /*SNDRV_PCM_INFO_PAUSE |*/
1676 SNDRV_PCM_INFO_RESUME),
1677 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1678 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1679 .rate_min = 8000,
1680 .rate_max = 48000,
1681 .channels_min = 1,
1682 .channels_max = 2,
1683 .buffer_bytes_max = (512*1024),
1684 .period_bytes_min = 64,
1685 .period_bytes_max = (512*1024),
1686 .periods_min = 1,
1687 .periods_max = 1024,
1688};
1689
1690static const struct snd_pcm_hardware snd_m3_capture =
1691{
1692 .info = (SNDRV_PCM_INFO_MMAP |
1693 SNDRV_PCM_INFO_INTERLEAVED |
1694 SNDRV_PCM_INFO_MMAP_VALID |
1695 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1696 /*SNDRV_PCM_INFO_PAUSE |*/
1697 SNDRV_PCM_INFO_RESUME),
1698 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1699 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1700 .rate_min = 8000,
1701 .rate_max = 48000,
1702 .channels_min = 1,
1703 .channels_max = 2,
1704 .buffer_bytes_max = (512*1024),
1705 .period_bytes_min = 64,
1706 .period_bytes_max = (512*1024),
1707 .periods_min = 1,
1708 .periods_max = 1024,
1709};
1710
1711
1712/*
1713 */
1714
1715static int
1716snd_m3_substream_open(struct snd_m3 *chip, struct snd_pcm_substream *subs)
1717{
1718 int i;
1719 struct m3_dma *s;
1720
1721 spin_lock_irq(&chip->reg_lock);
1722 for (i = 0; i < chip->num_substreams; i++) {
1723 s = &chip->substreams[i];
1724 if (! s->opened)
1725 goto __found;
1726 }
1727 spin_unlock_irq(&chip->reg_lock);
1728 return -ENOMEM;
1729__found:
1730 s->opened = 1;
1731 s->running = 0;
1732 spin_unlock_irq(&chip->reg_lock);
1733
1734 subs->runtime->private_data = s;
1735 s->substream = subs;
1736
1737 /* set list owners */
1738 if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1739 s->index_list[0] = &chip->mixer_list;
1740 } else
1741 s->index_list[0] = &chip->adc1_list;
1742 s->index_list[1] = &chip->msrc_list;
1743 s->index_list[2] = &chip->dma_list;
1744
1745 return 0;
1746}
1747
1748static void
1749snd_m3_substream_close(struct snd_m3 *chip, struct snd_pcm_substream *subs)
1750{
1751 struct m3_dma *s = subs->runtime->private_data;
1752
1753 if (s == NULL)
1754 return; /* not opened properly */
1755
1756 spin_lock_irq(&chip->reg_lock);
1757 if (s->substream && s->running)
1758 snd_m3_pcm_stop(chip, s, s->substream); /* does this happen? */
1759 if (s->in_lists) {
1760 snd_m3_remove_list(chip, s->index_list[0], s->index[0]);
1761 snd_m3_remove_list(chip, s->index_list[1], s->index[1]);
1762 snd_m3_remove_list(chip, s->index_list[2], s->index[2]);
1763 s->in_lists = 0;
1764 }
1765 s->running = 0;
1766 s->opened = 0;
1767 spin_unlock_irq(&chip->reg_lock);
1768}
1769
1770static int
1771snd_m3_playback_open(struct snd_pcm_substream *subs)
1772{
1773 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1774 struct snd_pcm_runtime *runtime = subs->runtime;
1775 int err;
1776
1777 if ((err = snd_m3_substream_open(chip, subs)) < 0)
1778 return err;
1779
1780 runtime->hw = snd_m3_playback;
1781
1782 return 0;
1783}
1784
1785static int
1786snd_m3_playback_close(struct snd_pcm_substream *subs)
1787{
1788 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1789
1790 snd_m3_substream_close(chip, subs);
1791 return 0;
1792}
1793
1794static int
1795snd_m3_capture_open(struct snd_pcm_substream *subs)
1796{
1797 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1798 struct snd_pcm_runtime *runtime = subs->runtime;
1799 int err;
1800
1801 if ((err = snd_m3_substream_open(chip, subs)) < 0)
1802 return err;
1803
1804 runtime->hw = snd_m3_capture;
1805
1806 return 0;
1807}
1808
1809static int
1810snd_m3_capture_close(struct snd_pcm_substream *subs)
1811{
1812 struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1813
1814 snd_m3_substream_close(chip, subs);
1815 return 0;
1816}
1817
1818/*
1819 * create pcm instance
1820 */
1821
1822static const struct snd_pcm_ops snd_m3_playback_ops = {
1823 .open = snd_m3_playback_open,
1824 .close = snd_m3_playback_close,
1825 .ioctl = snd_pcm_lib_ioctl,
1826 .hw_params = snd_m3_pcm_hw_params,
1827 .hw_free = snd_m3_pcm_hw_free,
1828 .prepare = snd_m3_pcm_prepare,
1829 .trigger = snd_m3_pcm_trigger,
1830 .pointer = snd_m3_pcm_pointer,
1831};
1832
1833static const struct snd_pcm_ops snd_m3_capture_ops = {
1834 .open = snd_m3_capture_open,
1835 .close = snd_m3_capture_close,
1836 .ioctl = snd_pcm_lib_ioctl,
1837 .hw_params = snd_m3_pcm_hw_params,
1838 .hw_free = snd_m3_pcm_hw_free,
1839 .prepare = snd_m3_pcm_prepare,
1840 .trigger = snd_m3_pcm_trigger,
1841 .pointer = snd_m3_pcm_pointer,
1842};
1843
1844static int
1845snd_m3_pcm(struct snd_m3 * chip, int device)
1846{
1847 struct snd_pcm *pcm;
1848 int err;
1849
1850 err = snd_pcm_new(chip->card, chip->card->driver, device,
1851 MAX_PLAYBACKS, MAX_CAPTURES, &pcm);
1852 if (err < 0)
1853 return err;
1854
1855 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_m3_playback_ops);
1856 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_m3_capture_ops);
1857
1858 pcm->private_data = chip;
1859 pcm->info_flags = 0;
1860 strcpy(pcm->name, chip->card->driver);
1861 chip->pcm = pcm;
1862
1863 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1864 snd_dma_pci_data(chip->pci), 64*1024, 64*1024);
1865
1866 return 0;
1867}
1868
1869
1870/*
1871 * ac97 interface
1872 */
1873
1874/*
1875 * Wait for the ac97 serial bus to be free.
1876 * return nonzero if the bus is still busy.
1877 */
1878static int snd_m3_ac97_wait(struct snd_m3 *chip)
1879{
1880 int i = 10000;
1881
1882 do {
1883 if (! (snd_m3_inb(chip, 0x30) & 1))
1884 return 0;
1885 cpu_relax();
1886 } while (i-- > 0);
1887
1888 dev_err(chip->card->dev, "ac97 serial bus busy\n");
1889 return 1;
1890}
1891
1892static unsigned short
1893snd_m3_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
1894{
1895 struct snd_m3 *chip = ac97->private_data;
1896 unsigned short data = 0xffff;
1897
1898 if (snd_m3_ac97_wait(chip))
1899 goto fail;
1900 snd_m3_outb(chip, 0x80 | (reg & 0x7f), CODEC_COMMAND);
1901 if (snd_m3_ac97_wait(chip))
1902 goto fail;
1903 data = snd_m3_inw(chip, CODEC_DATA);
1904fail:
1905 return data;
1906}
1907
1908static void
1909snd_m3_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val)
1910{
1911 struct snd_m3 *chip = ac97->private_data;
1912
1913 if (snd_m3_ac97_wait(chip))
1914 return;
1915 snd_m3_outw(chip, val, CODEC_DATA);
1916 snd_m3_outb(chip, reg & 0x7f, CODEC_COMMAND);
1917 /*
1918 * Workaround for buggy ES1988 integrated AC'97 codec. It remains silent
1919 * until the MASTER volume or mute is touched (alsactl restore does not
1920 * work).
1921 */
1922 if (ac97->id == 0x45838308 && reg == AC97_MASTER) {
1923 snd_m3_ac97_wait(chip);
1924 snd_m3_outw(chip, val, CODEC_DATA);
1925 snd_m3_outb(chip, reg & 0x7f, CODEC_COMMAND);
1926 }
1927}
1928
1929
1930static void snd_m3_remote_codec_config(struct snd_m3 *chip, int isremote)
1931{
1932 int io = chip->iobase;
1933 u16 tmp;
1934
1935 isremote = isremote ? 1 : 0;
1936
1937 tmp = inw(io + RING_BUS_CTRL_B) & ~SECOND_CODEC_ID_MASK;
1938 /* enable dock on Dell Latitude C810 */
1939 if (chip->pci->subsystem_vendor == 0x1028 &&
1940 chip->pci->subsystem_device == 0x00e5)
1941 tmp |= M3I_DOCK_ENABLE;
1942 outw(tmp | isremote, io + RING_BUS_CTRL_B);
1943 outw((inw(io + SDO_OUT_DEST_CTRL) & ~COMMAND_ADDR_OUT) | isremote,
1944 io + SDO_OUT_DEST_CTRL);
1945 outw((inw(io + SDO_IN_DEST_CTRL) & ~STATUS_ADDR_IN) | isremote,
1946 io + SDO_IN_DEST_CTRL);
1947}
1948
1949/*
1950 * hack, returns non zero on err
1951 */
1952static int snd_m3_try_read_vendor(struct snd_m3 *chip)
1953{
1954 u16 ret;
1955
1956 if (snd_m3_ac97_wait(chip))
1957 return 1;
1958
1959 snd_m3_outb(chip, 0x80 | (AC97_VENDOR_ID1 & 0x7f), 0x30);
1960
1961 if (snd_m3_ac97_wait(chip))
1962 return 1;
1963
1964 ret = snd_m3_inw(chip, 0x32);
1965
1966 return (ret == 0) || (ret == 0xffff);
1967}
1968
1969static void snd_m3_ac97_reset(struct snd_m3 *chip)
1970{
1971 u16 dir;
1972 int delay1 = 0, delay2 = 0, i;
1973 int io = chip->iobase;
1974
1975 if (chip->allegro_flag) {
1976 /*
1977 * the onboard codec on the allegro seems
1978 * to want to wait a very long time before
1979 * coming back to life
1980 */
1981 delay1 = 50;
1982 delay2 = 800;
1983 } else {
1984 /* maestro3 */
1985 delay1 = 20;
1986 delay2 = 500;
1987 }
1988
1989 for (i = 0; i < 5; i++) {
1990 dir = inw(io + GPIO_DIRECTION);
1991 if (!chip->irda_workaround)
1992 dir |= 0x10; /* assuming pci bus master? */
1993
1994 snd_m3_remote_codec_config(chip, 0);
1995
1996 outw(IO_SRAM_ENABLE, io + RING_BUS_CTRL_A);
1997 udelay(20);
1998
1999 outw(dir & ~GPO_PRIMARY_AC97 , io + GPIO_DIRECTION);
2000 outw(~GPO_PRIMARY_AC97 , io + GPIO_MASK);
2001 outw(0, io + GPIO_DATA);
2002 outw(dir | GPO_PRIMARY_AC97, io + GPIO_DIRECTION);
2003
2004 schedule_timeout_uninterruptible(msecs_to_jiffies(delay1));
2005
2006 outw(GPO_PRIMARY_AC97, io + GPIO_DATA);
2007 udelay(5);
2008 /* ok, bring back the ac-link */
2009 outw(IO_SRAM_ENABLE | SERIAL_AC_LINK_ENABLE, io + RING_BUS_CTRL_A);
2010 outw(~0, io + GPIO_MASK);
2011
2012 schedule_timeout_uninterruptible(msecs_to_jiffies(delay2));
2013
2014 if (! snd_m3_try_read_vendor(chip))
2015 break;
2016
2017 delay1 += 10;
2018 delay2 += 100;
2019
2020 dev_dbg(chip->card->dev,
2021 "retrying codec reset with delays of %d and %d ms\n",
2022 delay1, delay2);
2023 }
2024
2025#if 0
2026 /* more gung-ho reset that doesn't
2027 * seem to work anywhere :)
2028 */
2029 tmp = inw(io + RING_BUS_CTRL_A);
2030 outw(RAC_SDFS_ENABLE|LAC_SDFS_ENABLE, io + RING_BUS_CTRL_A);
2031 msleep(20);
2032 outw(tmp, io + RING_BUS_CTRL_A);
2033 msleep(50);
2034#endif
2035}
2036
2037static int snd_m3_mixer(struct snd_m3 *chip)
2038{
2039 struct snd_ac97_bus *pbus;
2040 struct snd_ac97_template ac97;
2041#ifndef CONFIG_SND_MAESTRO3_INPUT
2042 struct snd_ctl_elem_id elem_id;
2043#endif
2044 int err;
2045 static struct snd_ac97_bus_ops ops = {
2046 .write = snd_m3_ac97_write,
2047 .read = snd_m3_ac97_read,
2048 };
2049
2050 if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0)
2051 return err;
2052
2053 memset(&ac97, 0, sizeof(ac97));
2054 ac97.private_data = chip;
2055 if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2056 return err;
2057
2058 /* seems ac97 PCM needs initialization.. hack hack.. */
2059 snd_ac97_write(chip->ac97, AC97_PCM, 0x8000 | (15 << 8) | 15);
2060 schedule_timeout_uninterruptible(msecs_to_jiffies(100));
2061 snd_ac97_write(chip->ac97, AC97_PCM, 0);
2062
2063#ifndef CONFIG_SND_MAESTRO3_INPUT
2064 memset(&elem_id, 0, sizeof(elem_id));
2065 elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2066 strcpy(elem_id.name, "Master Playback Switch");
2067 chip->master_switch = snd_ctl_find_id(chip->card, &elem_id);
2068 memset(&elem_id, 0, sizeof(elem_id));
2069 elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2070 strcpy(elem_id.name, "Master Playback Volume");
2071 chip->master_volume = snd_ctl_find_id(chip->card, &elem_id);
2072#endif
2073
2074 return 0;
2075}
2076
2077
2078/*
2079 * initialize ASSP
2080 */
2081
2082#define MINISRC_LPF_LEN 10
2083static const u16 minisrc_lpf[MINISRC_LPF_LEN] = {
2084 0X0743, 0X1104, 0X0A4C, 0XF88D, 0X242C,
2085 0X1023, 0X1AA9, 0X0B60, 0XEFDD, 0X186F
2086};
2087
2088static void snd_m3_assp_init(struct snd_m3 *chip)
2089{
2090 unsigned int i;
2091 const __le16 *data;
2092
2093 /* zero kernel data */
2094 for (i = 0; i < (REV_B_DATA_MEMORY_UNIT_LENGTH * NUM_UNITS_KERNEL_DATA) / 2; i++)
2095 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2096 KDATA_BASE_ADDR + i, 0);
2097
2098 /* zero mixer data? */
2099 for (i = 0; i < (REV_B_DATA_MEMORY_UNIT_LENGTH * NUM_UNITS_KERNEL_DATA) / 2; i++)
2100 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2101 KDATA_BASE_ADDR2 + i, 0);
2102
2103 /* init dma pointer */
2104 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2105 KDATA_CURRENT_DMA,
2106 KDATA_DMA_XFER0);
2107
2108 /* write kernel into code memory.. */
2109 data = (const __le16 *)chip->assp_kernel_image->data;
2110 for (i = 0 ; i * 2 < chip->assp_kernel_image->size; i++) {
2111 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2112 REV_B_CODE_MEMORY_BEGIN + i,
2113 le16_to_cpu(data[i]));
2114 }
2115
2116 /*
2117 * We only have this one client and we know that 0x400
2118 * is free in our kernel's mem map, so lets just
2119 * drop it there. It seems that the minisrc doesn't
2120 * need vectors, so we won't bother with them..
2121 */
2122 data = (const __le16 *)chip->assp_minisrc_image->data;
2123 for (i = 0; i * 2 < chip->assp_minisrc_image->size; i++) {
2124 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2125 0x400 + i, le16_to_cpu(data[i]));
2126 }
2127
2128 /*
2129 * write the coefficients for the low pass filter?
2130 */
2131 for (i = 0; i < MINISRC_LPF_LEN ; i++) {
2132 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2133 0x400 + MINISRC_COEF_LOC + i,
2134 minisrc_lpf[i]);
2135 }
2136
2137 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2138 0x400 + MINISRC_COEF_LOC + MINISRC_LPF_LEN,
2139 0x8000);
2140
2141 /*
2142 * the minisrc is the only thing on
2143 * our task list..
2144 */
2145 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2146 KDATA_TASK0,
2147 0x400);
2148
2149 /*
2150 * init the mixer number..
2151 */
2152
2153 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2154 KDATA_MIXER_TASK_NUMBER,0);
2155
2156 /*
2157 * EXTREME KERNEL MASTER VOLUME
2158 */
2159 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2160 KDATA_DAC_LEFT_VOLUME, ARB_VOLUME);
2161 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2162 KDATA_DAC_RIGHT_VOLUME, ARB_VOLUME);
2163
2164 chip->mixer_list.curlen = 0;
2165 chip->mixer_list.mem_addr = KDATA_MIXER_XFER0;
2166 chip->mixer_list.max = MAX_VIRTUAL_MIXER_CHANNELS;
2167 chip->adc1_list.curlen = 0;
2168 chip->adc1_list.mem_addr = KDATA_ADC1_XFER0;
2169 chip->adc1_list.max = MAX_VIRTUAL_ADC1_CHANNELS;
2170 chip->dma_list.curlen = 0;
2171 chip->dma_list.mem_addr = KDATA_DMA_XFER0;
2172 chip->dma_list.max = MAX_VIRTUAL_DMA_CHANNELS;
2173 chip->msrc_list.curlen = 0;
2174 chip->msrc_list.mem_addr = KDATA_INSTANCE0_MINISRC;
2175 chip->msrc_list.max = MAX_INSTANCE_MINISRC;
2176}
2177
2178
2179static int snd_m3_assp_client_init(struct snd_m3 *chip, struct m3_dma *s, int index)
2180{
2181 int data_bytes = 2 * ( MINISRC_TMP_BUFFER_SIZE / 2 +
2182 MINISRC_IN_BUFFER_SIZE / 2 +
2183 1 + MINISRC_OUT_BUFFER_SIZE / 2 + 1 );
2184 int address, i;
2185
2186 /*
2187 * the revb memory map has 0x1100 through 0x1c00
2188 * free.
2189 */
2190
2191 /*
2192 * align instance address to 256 bytes so that its
2193 * shifted list address is aligned.
2194 * list address = (mem address >> 1) >> 7;
2195 */
2196 data_bytes = ALIGN(data_bytes, 256);
2197 address = 0x1100 + ((data_bytes/2) * index);
2198
2199 if ((address + (data_bytes/2)) >= 0x1c00) {
2200 dev_err(chip->card->dev,
2201 "no memory for %d bytes at ind %d (addr 0x%x)\n",
2202 data_bytes, index, address);
2203 return -ENOMEM;
2204 }
2205
2206 s->number = index;
2207 s->inst.code = 0x400;
2208 s->inst.data = address;
2209
2210 for (i = data_bytes / 2; i > 0; address++, i--) {
2211 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2212 address, 0);
2213 }
2214
2215 return 0;
2216}
2217
2218
2219/*
2220 * this works for the reference board, have to find
2221 * out about others
2222 *
2223 * this needs more magic for 4 speaker, but..
2224 */
2225static void
2226snd_m3_amp_enable(struct snd_m3 *chip, int enable)
2227{
2228 int io = chip->iobase;
2229 u16 gpo, polarity;
2230
2231 if (! chip->external_amp)
2232 return;
2233
2234 polarity = enable ? 0 : 1;
2235 polarity = polarity << chip->amp_gpio;
2236 gpo = 1 << chip->amp_gpio;
2237
2238 outw(~gpo, io + GPIO_MASK);
2239
2240 outw(inw(io + GPIO_DIRECTION) | gpo,
2241 io + GPIO_DIRECTION);
2242
2243 outw((GPO_SECONDARY_AC97 | GPO_PRIMARY_AC97 | polarity),
2244 io + GPIO_DATA);
2245
2246 outw(0xffff, io + GPIO_MASK);
2247}
2248
2249static void
2250snd_m3_hv_init(struct snd_m3 *chip)
2251{
2252 unsigned long io = chip->iobase;
2253 u16 val = GPI_VOL_DOWN | GPI_VOL_UP;
2254
2255 if (!chip->is_omnibook)
2256 return;
2257
2258 /*
2259 * Volume buttons on some HP OmniBook laptops
2260 * require some GPIO magic to work correctly.
2261 */
2262 outw(0xffff, io + GPIO_MASK);
2263 outw(0x0000, io + GPIO_DATA);
2264
2265 outw(~val, io + GPIO_MASK);
2266 outw(inw(io + GPIO_DIRECTION) & ~val, io + GPIO_DIRECTION);
2267 outw(val, io + GPIO_MASK);
2268
2269 outw(0xffff, io + GPIO_MASK);
2270}
2271
2272static int
2273snd_m3_chip_init(struct snd_m3 *chip)
2274{
2275 struct pci_dev *pcidev = chip->pci;
2276 unsigned long io = chip->iobase;
2277 u32 n;
2278 u16 w;
2279 u8 t; /* makes as much sense as 'n', no? */
2280
2281 pci_read_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, &w);
2282 w &= ~(SOUND_BLASTER_ENABLE|FM_SYNTHESIS_ENABLE|
2283 MPU401_IO_ENABLE|MPU401_IRQ_ENABLE|ALIAS_10BIT_IO|
2284 DISABLE_LEGACY);
2285 pci_write_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, w);
2286
2287 pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n);
2288 n &= ~(HV_CTRL_ENABLE | REDUCED_DEBOUNCE | HV_BUTTON_FROM_GD);
2289 n |= chip->hv_config;
2290 /* For some reason we must always use reduced debounce. */
2291 n |= REDUCED_DEBOUNCE;
2292 n |= PM_CTRL_ENABLE | CLK_DIV_BY_49 | USE_PCI_TIMING;
2293 pci_write_config_dword(pcidev, PCI_ALLEGRO_CONFIG, n);
2294
2295 outb(RESET_ASSP, chip->iobase + ASSP_CONTROL_B);
2296 pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n);
2297 n &= ~INT_CLK_SELECT;
2298 if (!chip->allegro_flag) {
2299 n &= ~INT_CLK_MULT_ENABLE;
2300 n |= INT_CLK_SRC_NOT_PCI;
2301 }
2302 n &= ~( CLK_MULT_MODE_SELECT | CLK_MULT_MODE_SELECT_2 );
2303 pci_write_config_dword(pcidev, PCI_ALLEGRO_CONFIG, n);
2304
2305 if (chip->allegro_flag) {
2306 pci_read_config_dword(pcidev, PCI_USER_CONFIG, &n);
2307 n |= IN_CLK_12MHZ_SELECT;
2308 pci_write_config_dword(pcidev, PCI_USER_CONFIG, n);
2309 }
2310
2311 t = inb(chip->iobase + ASSP_CONTROL_A);
2312 t &= ~( DSP_CLK_36MHZ_SELECT | ASSP_CLK_49MHZ_SELECT);
2313 t |= ASSP_CLK_49MHZ_SELECT;
2314 t |= ASSP_0_WS_ENABLE;
2315 outb(t, chip->iobase + ASSP_CONTROL_A);
2316
2317 snd_m3_assp_init(chip); /* download DSP code before starting ASSP below */
2318 outb(RUN_ASSP, chip->iobase + ASSP_CONTROL_B);
2319
2320 outb(0x00, io + HARDWARE_VOL_CTRL);
2321 outb(0x88, io + SHADOW_MIX_REG_VOICE);
2322 outb(0x88, io + HW_VOL_COUNTER_VOICE);
2323 outb(0x88, io + SHADOW_MIX_REG_MASTER);
2324 outb(0x88, io + HW_VOL_COUNTER_MASTER);
2325
2326 return 0;
2327}
2328
2329static void
2330snd_m3_enable_ints(struct snd_m3 *chip)
2331{
2332 unsigned long io = chip->iobase;
2333 unsigned short val;
2334
2335 /* TODO: MPU401 not supported yet */
2336 val = ASSP_INT_ENABLE /*| MPU401_INT_ENABLE*/;
2337 if (chip->hv_config & HV_CTRL_ENABLE)
2338 val |= HV_INT_ENABLE;
2339 outb(val, chip->iobase + HOST_INT_STATUS);
2340 outw(val, io + HOST_INT_CTRL);
2341 outb(inb(io + ASSP_CONTROL_C) | ASSP_HOST_INT_ENABLE,
2342 io + ASSP_CONTROL_C);
2343}
2344
2345
2346/*
2347 */
2348
2349static int snd_m3_free(struct snd_m3 *chip)
2350{
2351 struct m3_dma *s;
2352 int i;
2353
2354 cancel_work_sync(&chip->hwvol_work);
2355#ifdef CONFIG_SND_MAESTRO3_INPUT
2356 if (chip->input_dev)
2357 input_unregister_device(chip->input_dev);
2358#endif
2359
2360 if (chip->substreams) {
2361 spin_lock_irq(&chip->reg_lock);
2362 for (i = 0; i < chip->num_substreams; i++) {
2363 s = &chip->substreams[i];
2364 /* check surviving pcms; this should not happen though.. */
2365 if (s->substream && s->running)
2366 snd_m3_pcm_stop(chip, s, s->substream);
2367 }
2368 spin_unlock_irq(&chip->reg_lock);
2369 kfree(chip->substreams);
2370 }
2371 if (chip->iobase) {
2372 outw(0, chip->iobase + HOST_INT_CTRL); /* disable ints */
2373 }
2374
2375#ifdef CONFIG_PM_SLEEP
2376 vfree(chip->suspend_mem);
2377#endif
2378
2379 if (chip->irq >= 0)
2380 free_irq(chip->irq, chip);
2381
2382 if (chip->iobase)
2383 pci_release_regions(chip->pci);
2384
2385 release_firmware(chip->assp_kernel_image);
2386 release_firmware(chip->assp_minisrc_image);
2387
2388 pci_disable_device(chip->pci);
2389 kfree(chip);
2390 return 0;
2391}
2392
2393
2394/*
2395 * APM support
2396 */
2397#ifdef CONFIG_PM_SLEEP
2398static int m3_suspend(struct device *dev)
2399{
2400 struct snd_card *card = dev_get_drvdata(dev);
2401 struct snd_m3 *chip = card->private_data;
2402 int i, dsp_index;
2403
2404 if (chip->suspend_mem == NULL)
2405 return 0;
2406
2407 chip->in_suspend = 1;
2408 cancel_work_sync(&chip->hwvol_work);
2409 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2410 snd_ac97_suspend(chip->ac97);
2411
2412 msleep(10); /* give the assp a chance to idle.. */
2413
2414 snd_m3_assp_halt(chip);
2415
2416 /* save dsp image */
2417 dsp_index = 0;
2418 for (i = REV_B_CODE_MEMORY_BEGIN; i <= REV_B_CODE_MEMORY_END; i++)
2419 chip->suspend_mem[dsp_index++] =
2420 snd_m3_assp_read(chip, MEMTYPE_INTERNAL_CODE, i);
2421 for (i = REV_B_DATA_MEMORY_BEGIN ; i <= REV_B_DATA_MEMORY_END; i++)
2422 chip->suspend_mem[dsp_index++] =
2423 snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA, i);
2424 return 0;
2425}
2426
2427static int m3_resume(struct device *dev)
2428{
2429 struct snd_card *card = dev_get_drvdata(dev);
2430 struct snd_m3 *chip = card->private_data;
2431 int i, dsp_index;
2432
2433 if (chip->suspend_mem == NULL)
2434 return 0;
2435
2436 /* first lets just bring everything back. .*/
2437 snd_m3_outw(chip, 0, 0x54);
2438 snd_m3_outw(chip, 0, 0x56);
2439
2440 snd_m3_chip_init(chip);
2441 snd_m3_assp_halt(chip);
2442 snd_m3_ac97_reset(chip);
2443
2444 /* restore dsp image */
2445 dsp_index = 0;
2446 for (i = REV_B_CODE_MEMORY_BEGIN; i <= REV_B_CODE_MEMORY_END; i++)
2447 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, i,
2448 chip->suspend_mem[dsp_index++]);
2449 for (i = REV_B_DATA_MEMORY_BEGIN ; i <= REV_B_DATA_MEMORY_END; i++)
2450 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, i,
2451 chip->suspend_mem[dsp_index++]);
2452
2453 /* tell the dma engine to restart itself */
2454 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2455 KDATA_DMA_ACTIVE, 0);
2456
2457 /* restore ac97 registers */
2458 snd_ac97_resume(chip->ac97);
2459
2460 snd_m3_assp_continue(chip);
2461 snd_m3_enable_ints(chip);
2462 snd_m3_amp_enable(chip, 1);
2463
2464 snd_m3_hv_init(chip);
2465
2466 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2467 chip->in_suspend = 0;
2468 return 0;
2469}
2470
2471static SIMPLE_DEV_PM_OPS(m3_pm, m3_suspend, m3_resume);
2472#define M3_PM_OPS &m3_pm
2473#else
2474#define M3_PM_OPS NULL
2475#endif /* CONFIG_PM_SLEEP */
2476
2477#ifdef CONFIG_SND_MAESTRO3_INPUT
2478static int snd_m3_input_register(struct snd_m3 *chip)
2479{
2480 struct input_dev *input_dev;
2481 int err;
2482
2483 input_dev = input_allocate_device();
2484 if (!input_dev)
2485 return -ENOMEM;
2486
2487 snprintf(chip->phys, sizeof(chip->phys), "pci-%s/input0",
2488 pci_name(chip->pci));
2489
2490 input_dev->name = chip->card->driver;
2491 input_dev->phys = chip->phys;
2492 input_dev->id.bustype = BUS_PCI;
2493 input_dev->id.vendor = chip->pci->vendor;
2494 input_dev->id.product = chip->pci->device;
2495 input_dev->dev.parent = &chip->pci->dev;
2496
2497 __set_bit(EV_KEY, input_dev->evbit);
2498 __set_bit(KEY_MUTE, input_dev->keybit);
2499 __set_bit(KEY_VOLUMEDOWN, input_dev->keybit);
2500 __set_bit(KEY_VOLUMEUP, input_dev->keybit);
2501
2502 err = input_register_device(input_dev);
2503 if (err) {
2504 input_free_device(input_dev);
2505 return err;
2506 }
2507
2508 chip->input_dev = input_dev;
2509 return 0;
2510}
2511#endif /* CONFIG_INPUT */
2512
2513/*
2514 */
2515
2516static int snd_m3_dev_free(struct snd_device *device)
2517{
2518 struct snd_m3 *chip = device->device_data;
2519 return snd_m3_free(chip);
2520}
2521
2522static int
2523snd_m3_create(struct snd_card *card, struct pci_dev *pci,
2524 int enable_amp,
2525 int amp_gpio,
2526 struct snd_m3 **chip_ret)
2527{
2528 struct snd_m3 *chip;
2529 int i, err;
2530 const struct snd_pci_quirk *quirk;
2531 static struct snd_device_ops ops = {
2532 .dev_free = snd_m3_dev_free,
2533 };
2534
2535 *chip_ret = NULL;
2536
2537 if (pci_enable_device(pci))
2538 return -EIO;
2539
2540 /* check, if we can restrict PCI DMA transfers to 28 bits */
2541 if (dma_set_mask(&pci->dev, DMA_BIT_MASK(28)) < 0 ||
2542 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(28)) < 0) {
2543 dev_err(card->dev,
2544 "architecture does not support 28bit PCI busmaster DMA\n");
2545 pci_disable_device(pci);
2546 return -ENXIO;
2547 }
2548
2549 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
2550 if (chip == NULL) {
2551 pci_disable_device(pci);
2552 return -ENOMEM;
2553 }
2554
2555 spin_lock_init(&chip->reg_lock);
2556
2557 switch (pci->device) {
2558 case PCI_DEVICE_ID_ESS_ALLEGRO:
2559 case PCI_DEVICE_ID_ESS_ALLEGRO_1:
2560 case PCI_DEVICE_ID_ESS_CANYON3D_2LE:
2561 case PCI_DEVICE_ID_ESS_CANYON3D_2:
2562 chip->allegro_flag = 1;
2563 break;
2564 }
2565
2566 chip->card = card;
2567 chip->pci = pci;
2568 chip->irq = -1;
2569 INIT_WORK(&chip->hwvol_work, snd_m3_update_hw_volume);
2570
2571 chip->external_amp = enable_amp;
2572 if (amp_gpio >= 0 && amp_gpio <= 0x0f)
2573 chip->amp_gpio = amp_gpio;
2574 else {
2575 quirk = snd_pci_quirk_lookup(pci, m3_amp_quirk_list);
2576 if (quirk) {
2577 dev_info(card->dev, "set amp-gpio for '%s'\n",
2578 snd_pci_quirk_name(quirk));
2579 chip->amp_gpio = quirk->value;
2580 } else if (chip->allegro_flag)
2581 chip->amp_gpio = GPO_EXT_AMP_ALLEGRO;
2582 else /* presumably this is for all 'maestro3's.. */
2583 chip->amp_gpio = GPO_EXT_AMP_M3;
2584 }
2585
2586 quirk = snd_pci_quirk_lookup(pci, m3_irda_quirk_list);
2587 if (quirk) {
2588 dev_info(card->dev, "enabled irda workaround for '%s'\n",
2589 snd_pci_quirk_name(quirk));
2590 chip->irda_workaround = 1;
2591 }
2592 quirk = snd_pci_quirk_lookup(pci, m3_hv_quirk_list);
2593 if (quirk)
2594 chip->hv_config = quirk->value;
2595 if (snd_pci_quirk_lookup(pci, m3_omnibook_quirk_list))
2596 chip->is_omnibook = 1;
2597
2598 chip->num_substreams = NR_DSPS;
2599 chip->substreams = kcalloc(chip->num_substreams, sizeof(struct m3_dma),
2600 GFP_KERNEL);
2601 if (chip->substreams == NULL) {
2602 kfree(chip);
2603 pci_disable_device(pci);
2604 return -ENOMEM;
2605 }
2606
2607 err = request_firmware(&chip->assp_kernel_image,
2608 "ess/maestro3_assp_kernel.fw", &pci->dev);
2609 if (err < 0)
2610 goto free_chip;
2611
2612 err = request_firmware(&chip->assp_minisrc_image,
2613 "ess/maestro3_assp_minisrc.fw", &pci->dev);
2614 if (err < 0)
2615 goto free_chip;
2616
2617 err = pci_request_regions(pci, card->driver);
2618 if (err < 0)
2619 goto free_chip;
2620
2621 chip->iobase = pci_resource_start(pci, 0);
2622
2623 /* just to be sure */
2624 pci_set_master(pci);
2625
2626 snd_m3_chip_init(chip);
2627 snd_m3_assp_halt(chip);
2628
2629 snd_m3_ac97_reset(chip);
2630
2631 snd_m3_amp_enable(chip, 1);
2632
2633 snd_m3_hv_init(chip);
2634
2635 if (request_irq(pci->irq, snd_m3_interrupt, IRQF_SHARED,
2636 KBUILD_MODNAME, chip)) {
2637 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2638 err = -ENOMEM;
2639 goto free_chip;
2640 }
2641 chip->irq = pci->irq;
2642
2643#ifdef CONFIG_PM_SLEEP
2644 chip->suspend_mem =
2645 vmalloc(array_size(sizeof(u16),
2646 REV_B_CODE_MEMORY_LENGTH +
2647 REV_B_DATA_MEMORY_LENGTH));
2648 if (chip->suspend_mem == NULL)
2649 dev_warn(card->dev, "can't allocate apm buffer\n");
2650#endif
2651
2652 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
2653 if (err < 0)
2654 goto free_chip;
2655
2656 if ((err = snd_m3_mixer(chip)) < 0)
2657 return err;
2658
2659 for (i = 0; i < chip->num_substreams; i++) {
2660 struct m3_dma *s = &chip->substreams[i];
2661 if ((err = snd_m3_assp_client_init(chip, s, i)) < 0)
2662 return err;
2663 }
2664
2665 if ((err = snd_m3_pcm(chip, 0)) < 0)
2666 return err;
2667
2668#ifdef CONFIG_SND_MAESTRO3_INPUT
2669 if (chip->hv_config & HV_CTRL_ENABLE) {
2670 err = snd_m3_input_register(chip);
2671 if (err)
2672 dev_warn(card->dev,
2673 "Input device registration failed with error %i",
2674 err);
2675 }
2676#endif
2677
2678 snd_m3_enable_ints(chip);
2679 snd_m3_assp_continue(chip);
2680
2681 *chip_ret = chip;
2682
2683 return 0;
2684
2685free_chip:
2686 snd_m3_free(chip);
2687 return err;
2688}
2689
2690/*
2691 */
2692static int
2693snd_m3_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2694{
2695 static int dev;
2696 struct snd_card *card;
2697 struct snd_m3 *chip;
2698 int err;
2699
2700 /* don't pick up modems */
2701 if (((pci->class >> 8) & 0xffff) != PCI_CLASS_MULTIMEDIA_AUDIO)
2702 return -ENODEV;
2703
2704 if (dev >= SNDRV_CARDS)
2705 return -ENODEV;
2706 if (!enable[dev]) {
2707 dev++;
2708 return -ENOENT;
2709 }
2710
2711 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2712 0, &card);
2713 if (err < 0)
2714 return err;
2715
2716 switch (pci->device) {
2717 case PCI_DEVICE_ID_ESS_ALLEGRO:
2718 case PCI_DEVICE_ID_ESS_ALLEGRO_1:
2719 strcpy(card->driver, "Allegro");
2720 break;
2721 case PCI_DEVICE_ID_ESS_CANYON3D_2LE:
2722 case PCI_DEVICE_ID_ESS_CANYON3D_2:
2723 strcpy(card->driver, "Canyon3D-2");
2724 break;
2725 default:
2726 strcpy(card->driver, "Maestro3");
2727 break;
2728 }
2729
2730 err = snd_m3_create(card, pci, external_amp[dev], amp_gpio[dev], &chip);
2731 if (err < 0)
2732 goto free_card;
2733
2734 card->private_data = chip;
2735
2736 sprintf(card->shortname, "ESS %s PCI", card->driver);
2737 sprintf(card->longname, "%s at 0x%lx, irq %d",
2738 card->shortname, chip->iobase, chip->irq);
2739
2740 err = snd_card_register(card);
2741 if (err < 0)
2742 goto free_card;
2743
2744#if 0 /* TODO: not supported yet */
2745 /* TODO enable MIDI IRQ and I/O */
2746 err = snd_mpu401_uart_new(chip->card, 0, MPU401_HW_MPU401,
2747 chip->iobase + MPU401_DATA_PORT,
2748 MPU401_INFO_INTEGRATED | MPU401_INFO_IRQ_HOOK,
2749 -1, &chip->rmidi);
2750 if (err < 0)
2751 dev_warn(card->dev, "no MIDI support.\n");
2752#endif
2753
2754 pci_set_drvdata(pci, card);
2755 dev++;
2756 return 0;
2757
2758free_card:
2759 snd_card_free(card);
2760 return err;
2761}
2762
2763static void snd_m3_remove(struct pci_dev *pci)
2764{
2765 snd_card_free(pci_get_drvdata(pci));
2766}
2767
2768static struct pci_driver m3_driver = {
2769 .name = KBUILD_MODNAME,
2770 .id_table = snd_m3_ids,
2771 .probe = snd_m3_probe,
2772 .remove = snd_m3_remove,
2773 .driver = {
2774 .pm = M3_PM_OPS,
2775 },
2776};
2777
2778module_pci_driver(m3_driver);