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v5.4
   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);
v3.15
 
   1/*
   2 * Driver for ESS Maestro3/Allegro (ES1988) soundcards.
   3 * Copyright (c) 2000 by Zach Brown <zab@zabbo.net>
   4 *                       Takashi Iwai <tiwai@suse.de>
   5 *
   6 * Most of the hardware init stuffs are based on maestro3 driver for
   7 * OSS/Free by Zach Brown.  Many thanks to Zach!
   8 *
   9 *   This program is free software; you can redistribute it and/or modify
  10 *   it under the terms of the GNU General Public License as published by
  11 *   the Free Software Foundation; either version 2 of the License, or
  12 *   (at your option) any later version.
  13 *
  14 *   This program is distributed in the hope that it will be useful,
  15 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 *   GNU General Public License for more details.
  18 *
  19 *   You should have received a copy of the GNU General Public License
  20 *   along with this program; if not, write to the Free Software
  21 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  22 *
  23 *
  24 * ChangeLog:
  25 * Aug. 27, 2001
  26 *     - Fixed deadlock on capture
  27 *     - Added Canyon3D-2 support by Rob Riggs <rob@pangalactic.org>
  28 *
  29 */
  30 
  31#define CARD_NAME "ESS Maestro3/Allegro/Canyon3D-2"
  32#define DRIVER_NAME "Maestro3"
  33
  34#include <asm/io.h>
  35#include <linux/delay.h>
  36#include <linux/interrupt.h>
  37#include <linux/init.h>
  38#include <linux/pci.h>
  39#include <linux/dma-mapping.h>
  40#include <linux/slab.h>
  41#include <linux/vmalloc.h>
  42#include <linux/module.h>
  43#include <linux/firmware.h>
  44#include <linux/input.h>
  45#include <sound/core.h>
  46#include <sound/info.h>
  47#include <sound/control.h>
  48#include <sound/pcm.h>
  49#include <sound/mpu401.h>
  50#include <sound/ac97_codec.h>
  51#include <sound/initval.h>
  52#include <asm/byteorder.h>
  53
  54MODULE_AUTHOR("Zach Brown <zab@zabbo.net>, Takashi Iwai <tiwai@suse.de>");
  55MODULE_DESCRIPTION("ESS Maestro3 PCI");
  56MODULE_LICENSE("GPL");
  57MODULE_SUPPORTED_DEVICE("{{ESS,Maestro3 PCI},"
  58		"{ESS,ES1988},"
  59		"{ESS,Allegro PCI},"
  60		"{ESS,Allegro-1 PCI},"
  61	        "{ESS,Canyon3D-2/LE PCI}}");
  62MODULE_FIRMWARE("ess/maestro3_assp_kernel.fw");
  63MODULE_FIRMWARE("ess/maestro3_assp_minisrc.fw");
  64
  65static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
  66static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
  67static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* all enabled */
  68static bool external_amp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
  69static int amp_gpio[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
  70
  71module_param_array(index, int, NULL, 0444);
  72MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard.");
  73module_param_array(id, charp, NULL, 0444);
  74MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard.");
  75module_param_array(enable, bool, NULL, 0444);
  76MODULE_PARM_DESC(enable, "Enable this soundcard.");
  77module_param_array(external_amp, bool, NULL, 0444);
  78MODULE_PARM_DESC(external_amp, "Enable external amp for " CARD_NAME " soundcard.");
  79module_param_array(amp_gpio, int, NULL, 0444);
  80MODULE_PARM_DESC(amp_gpio, "GPIO pin number for external amp. (default = -1)");
  81
  82#define MAX_PLAYBACKS	2
  83#define MAX_CAPTURES	1
  84#define NR_DSPS		(MAX_PLAYBACKS + MAX_CAPTURES)
  85
  86
  87/*
  88 * maestro3 registers
  89 */
  90
  91/* Allegro PCI configuration registers */
  92#define PCI_LEGACY_AUDIO_CTRL   0x40
  93#define SOUND_BLASTER_ENABLE    0x00000001
  94#define FM_SYNTHESIS_ENABLE     0x00000002
  95#define GAME_PORT_ENABLE        0x00000004
  96#define MPU401_IO_ENABLE        0x00000008
  97#define MPU401_IRQ_ENABLE       0x00000010
  98#define ALIAS_10BIT_IO          0x00000020
  99#define SB_DMA_MASK             0x000000C0
 100#define SB_DMA_0                0x00000040
 101#define SB_DMA_1                0x00000040
 102#define SB_DMA_R                0x00000080
 103#define SB_DMA_3                0x000000C0
 104#define SB_IRQ_MASK             0x00000700
 105#define SB_IRQ_5                0x00000000
 106#define SB_IRQ_7                0x00000100
 107#define SB_IRQ_9                0x00000200
 108#define SB_IRQ_10               0x00000300
 109#define MIDI_IRQ_MASK           0x00003800
 110#define SERIAL_IRQ_ENABLE       0x00004000
 111#define DISABLE_LEGACY          0x00008000
 112
 113#define PCI_ALLEGRO_CONFIG      0x50
 114#define SB_ADDR_240             0x00000004
 115#define MPU_ADDR_MASK           0x00000018
 116#define MPU_ADDR_330            0x00000000
 117#define MPU_ADDR_300            0x00000008
 118#define MPU_ADDR_320            0x00000010
 119#define MPU_ADDR_340            0x00000018
 120#define USE_PCI_TIMING          0x00000040
 121#define POSTED_WRITE_ENABLE     0x00000080
 122#define DMA_POLICY_MASK         0x00000700
 123#define DMA_DDMA                0x00000000
 124#define DMA_TDMA                0x00000100
 125#define DMA_PCPCI               0x00000200
 126#define DMA_WBDMA16             0x00000400
 127#define DMA_WBDMA4              0x00000500
 128#define DMA_WBDMA2              0x00000600
 129#define DMA_WBDMA1              0x00000700
 130#define DMA_SAFE_GUARD          0x00000800
 131#define HI_PERF_GP_ENABLE       0x00001000
 132#define PIC_SNOOP_MODE_0        0x00002000
 133#define PIC_SNOOP_MODE_1        0x00004000
 134#define SOUNDBLASTER_IRQ_MASK   0x00008000
 135#define RING_IN_ENABLE          0x00010000
 136#define SPDIF_TEST_MODE         0x00020000
 137#define CLK_MULT_MODE_SELECT_2  0x00040000
 138#define EEPROM_WRITE_ENABLE     0x00080000
 139#define CODEC_DIR_IN            0x00100000
 140#define HV_BUTTON_FROM_GD       0x00200000
 141#define REDUCED_DEBOUNCE        0x00400000
 142#define HV_CTRL_ENABLE          0x00800000
 143#define SPDIF_ENABLE            0x01000000
 144#define CLK_DIV_SELECT          0x06000000
 145#define CLK_DIV_BY_48           0x00000000
 146#define CLK_DIV_BY_49           0x02000000
 147#define CLK_DIV_BY_50           0x04000000
 148#define CLK_DIV_RESERVED        0x06000000
 149#define PM_CTRL_ENABLE          0x08000000
 150#define CLK_MULT_MODE_SELECT    0x30000000
 151#define CLK_MULT_MODE_SHIFT     28
 152#define CLK_MULT_MODE_0         0x00000000
 153#define CLK_MULT_MODE_1         0x10000000
 154#define CLK_MULT_MODE_2         0x20000000
 155#define CLK_MULT_MODE_3         0x30000000
 156#define INT_CLK_SELECT          0x40000000
 157#define INT_CLK_MULT_RESET      0x80000000
 158
 159/* M3 */
 160#define INT_CLK_SRC_NOT_PCI     0x00100000
 161#define INT_CLK_MULT_ENABLE     0x80000000
 162
 163#define PCI_ACPI_CONTROL        0x54
 164#define PCI_ACPI_D0             0x00000000
 165#define PCI_ACPI_D1             0xB4F70000
 166#define PCI_ACPI_D2             0xB4F7B4F7
 167
 168#define PCI_USER_CONFIG         0x58
 169#define EXT_PCI_MASTER_ENABLE   0x00000001
 170#define SPDIF_OUT_SELECT        0x00000002
 171#define TEST_PIN_DIR_CTRL       0x00000004
 172#define AC97_CODEC_TEST         0x00000020
 173#define TRI_STATE_BUFFER        0x00000080
 174#define IN_CLK_12MHZ_SELECT     0x00000100
 175#define MULTI_FUNC_DISABLE      0x00000200
 176#define EXT_MASTER_PAIR_SEL     0x00000400
 177#define PCI_MASTER_SUPPORT      0x00000800
 178#define STOP_CLOCK_ENABLE       0x00001000
 179#define EAPD_DRIVE_ENABLE       0x00002000
 180#define REQ_TRI_STATE_ENABLE    0x00004000
 181#define REQ_LOW_ENABLE          0x00008000
 182#define MIDI_1_ENABLE           0x00010000
 183#define MIDI_2_ENABLE           0x00020000
 184#define SB_AUDIO_SYNC           0x00040000
 185#define HV_CTRL_TEST            0x00100000
 186#define SOUNDBLASTER_TEST       0x00400000
 187
 188#define PCI_USER_CONFIG_C       0x5C
 189
 190#define PCI_DDMA_CTRL           0x60
 191#define DDMA_ENABLE             0x00000001
 192
 193
 194/* Allegro registers */
 195#define HOST_INT_CTRL           0x18
 196#define SB_INT_ENABLE           0x0001
 197#define MPU401_INT_ENABLE       0x0002
 198#define ASSP_INT_ENABLE         0x0010
 199#define RING_INT_ENABLE         0x0020
 200#define HV_INT_ENABLE           0x0040
 201#define CLKRUN_GEN_ENABLE       0x0100
 202#define HV_CTRL_TO_PME          0x0400
 203#define SOFTWARE_RESET_ENABLE   0x8000
 204
 205/*
 206 * should be using the above defines, probably.
 207 */
 208#define REGB_ENABLE_RESET               0x01
 209#define REGB_STOP_CLOCK                 0x10
 210
 211#define HOST_INT_STATUS         0x1A
 212#define SB_INT_PENDING          0x01
 213#define MPU401_INT_PENDING      0x02
 214#define ASSP_INT_PENDING        0x10
 215#define RING_INT_PENDING        0x20
 216#define HV_INT_PENDING          0x40
 217
 218#define HARDWARE_VOL_CTRL       0x1B
 219#define SHADOW_MIX_REG_VOICE    0x1C
 220#define HW_VOL_COUNTER_VOICE    0x1D
 221#define SHADOW_MIX_REG_MASTER   0x1E
 222#define HW_VOL_COUNTER_MASTER   0x1F
 223
 224#define CODEC_COMMAND           0x30
 225#define CODEC_READ_B            0x80
 226
 227#define CODEC_STATUS            0x30
 228#define CODEC_BUSY_B            0x01
 229
 230#define CODEC_DATA              0x32
 231
 232#define RING_BUS_CTRL_A         0x36
 233#define RAC_PME_ENABLE          0x0100
 234#define RAC_SDFS_ENABLE         0x0200
 235#define LAC_PME_ENABLE          0x0400
 236#define LAC_SDFS_ENABLE         0x0800
 237#define SERIAL_AC_LINK_ENABLE   0x1000
 238#define IO_SRAM_ENABLE          0x2000
 239#define IIS_INPUT_ENABLE        0x8000
 240
 241#define RING_BUS_CTRL_B         0x38
 242#define SECOND_CODEC_ID_MASK    0x0003
 243#define SPDIF_FUNC_ENABLE       0x0010
 244#define SECOND_AC_ENABLE        0x0020
 245#define SB_MODULE_INTF_ENABLE   0x0040
 246#define SSPE_ENABLE             0x0040
 247#define M3I_DOCK_ENABLE         0x0080
 248
 249#define SDO_OUT_DEST_CTRL       0x3A
 250#define COMMAND_ADDR_OUT        0x0003
 251#define PCM_LR_OUT_LOCAL        0x0000
 252#define PCM_LR_OUT_REMOTE       0x0004
 253#define PCM_LR_OUT_MUTE         0x0008
 254#define PCM_LR_OUT_BOTH         0x000C
 255#define LINE1_DAC_OUT_LOCAL     0x0000
 256#define LINE1_DAC_OUT_REMOTE    0x0010
 257#define LINE1_DAC_OUT_MUTE      0x0020
 258#define LINE1_DAC_OUT_BOTH      0x0030
 259#define PCM_CLS_OUT_LOCAL       0x0000
 260#define PCM_CLS_OUT_REMOTE      0x0040
 261#define PCM_CLS_OUT_MUTE        0x0080
 262#define PCM_CLS_OUT_BOTH        0x00C0
 263#define PCM_RLF_OUT_LOCAL       0x0000
 264#define PCM_RLF_OUT_REMOTE      0x0100
 265#define PCM_RLF_OUT_MUTE        0x0200
 266#define PCM_RLF_OUT_BOTH        0x0300
 267#define LINE2_DAC_OUT_LOCAL     0x0000
 268#define LINE2_DAC_OUT_REMOTE    0x0400
 269#define LINE2_DAC_OUT_MUTE      0x0800
 270#define LINE2_DAC_OUT_BOTH      0x0C00
 271#define HANDSET_OUT_LOCAL       0x0000
 272#define HANDSET_OUT_REMOTE      0x1000
 273#define HANDSET_OUT_MUTE        0x2000
 274#define HANDSET_OUT_BOTH        0x3000
 275#define IO_CTRL_OUT_LOCAL       0x0000
 276#define IO_CTRL_OUT_REMOTE      0x4000
 277#define IO_CTRL_OUT_MUTE        0x8000
 278#define IO_CTRL_OUT_BOTH        0xC000
 279
 280#define SDO_IN_DEST_CTRL        0x3C
 281#define STATUS_ADDR_IN          0x0003
 282#define PCM_LR_IN_LOCAL         0x0000
 283#define PCM_LR_IN_REMOTE        0x0004
 284#define PCM_LR_RESERVED         0x0008
 285#define PCM_LR_IN_BOTH          0x000C
 286#define LINE1_ADC_IN_LOCAL      0x0000
 287#define LINE1_ADC_IN_REMOTE     0x0010
 288#define LINE1_ADC_IN_MUTE       0x0020
 289#define MIC_ADC_IN_LOCAL        0x0000
 290#define MIC_ADC_IN_REMOTE       0x0040
 291#define MIC_ADC_IN_MUTE         0x0080
 292#define LINE2_DAC_IN_LOCAL      0x0000
 293#define LINE2_DAC_IN_REMOTE     0x0400
 294#define LINE2_DAC_IN_MUTE       0x0800
 295#define HANDSET_IN_LOCAL        0x0000
 296#define HANDSET_IN_REMOTE       0x1000
 297#define HANDSET_IN_MUTE         0x2000
 298#define IO_STATUS_IN_LOCAL      0x0000
 299#define IO_STATUS_IN_REMOTE     0x4000
 300
 301#define SPDIF_IN_CTRL           0x3E
 302#define SPDIF_IN_ENABLE         0x0001
 303
 304#define GPIO_DATA               0x60
 305#define GPIO_DATA_MASK          0x0FFF
 306#define GPIO_HV_STATUS          0x3000
 307#define GPIO_PME_STATUS         0x4000
 308
 309#define GPIO_MASK               0x64
 310#define GPIO_DIRECTION          0x68
 311#define GPO_PRIMARY_AC97        0x0001
 312#define GPI_LINEOUT_SENSE       0x0004
 313#define GPO_SECONDARY_AC97      0x0008
 314#define GPI_VOL_DOWN            0x0010
 315#define GPI_VOL_UP              0x0020
 316#define GPI_IIS_CLK             0x0040
 317#define GPI_IIS_LRCLK           0x0080
 318#define GPI_IIS_DATA            0x0100
 319#define GPI_DOCKING_STATUS      0x0100
 320#define GPI_HEADPHONE_SENSE     0x0200
 321#define GPO_EXT_AMP_SHUTDOWN    0x1000
 322
 323#define GPO_EXT_AMP_M3		1	/* default m3 amp */
 324#define GPO_EXT_AMP_ALLEGRO	8	/* default allegro amp */
 325
 326/* M3 */
 327#define GPO_M3_EXT_AMP_SHUTDN   0x0002
 328
 329#define ASSP_INDEX_PORT         0x80
 330#define ASSP_MEMORY_PORT        0x82
 331#define ASSP_DATA_PORT          0x84
 332
 333#define MPU401_DATA_PORT        0x98
 334#define MPU401_STATUS_PORT      0x99
 335
 336#define CLK_MULT_DATA_PORT      0x9C
 337
 338#define ASSP_CONTROL_A          0xA2
 339#define ASSP_0_WS_ENABLE        0x01
 340#define ASSP_CTRL_A_RESERVED1   0x02
 341#define ASSP_CTRL_A_RESERVED2   0x04
 342#define ASSP_CLK_49MHZ_SELECT   0x08
 343#define FAST_PLU_ENABLE         0x10
 344#define ASSP_CTRL_A_RESERVED3   0x20
 345#define DSP_CLK_36MHZ_SELECT    0x40
 346
 347#define ASSP_CONTROL_B          0xA4
 348#define RESET_ASSP              0x00
 349#define RUN_ASSP                0x01
 350#define ENABLE_ASSP_CLOCK       0x00
 351#define STOP_ASSP_CLOCK         0x10
 352#define RESET_TOGGLE            0x40
 353
 354#define ASSP_CONTROL_C          0xA6
 355#define ASSP_HOST_INT_ENABLE    0x01
 356#define FM_ADDR_REMAP_DISABLE   0x02
 357#define HOST_WRITE_PORT_ENABLE  0x08
 358
 359#define ASSP_HOST_INT_STATUS    0xAC
 360#define DSP2HOST_REQ_PIORECORD  0x01
 361#define DSP2HOST_REQ_I2SRATE    0x02
 362#define DSP2HOST_REQ_TIMER      0x04
 363
 364/*
 365 * ASSP control regs
 366 */
 367#define DSP_PORT_TIMER_COUNT    0x06
 368
 369#define DSP_PORT_MEMORY_INDEX   0x80
 370
 371#define DSP_PORT_MEMORY_TYPE    0x82
 372#define MEMTYPE_INTERNAL_CODE   0x0002
 373#define MEMTYPE_INTERNAL_DATA   0x0003
 374#define MEMTYPE_MASK            0x0003
 375
 376#define DSP_PORT_MEMORY_DATA    0x84
 377
 378#define DSP_PORT_CONTROL_REG_A  0xA2
 379#define DSP_PORT_CONTROL_REG_B  0xA4
 380#define DSP_PORT_CONTROL_REG_C  0xA6
 381
 382#define REV_A_CODE_MEMORY_BEGIN         0x0000
 383#define REV_A_CODE_MEMORY_END           0x0FFF
 384#define REV_A_CODE_MEMORY_UNIT_LENGTH   0x0040
 385#define REV_A_CODE_MEMORY_LENGTH        (REV_A_CODE_MEMORY_END - REV_A_CODE_MEMORY_BEGIN + 1)
 386
 387#define REV_B_CODE_MEMORY_BEGIN         0x0000
 388#define REV_B_CODE_MEMORY_END           0x0BFF
 389#define REV_B_CODE_MEMORY_UNIT_LENGTH   0x0040
 390#define REV_B_CODE_MEMORY_LENGTH        (REV_B_CODE_MEMORY_END - REV_B_CODE_MEMORY_BEGIN + 1)
 391
 392#define REV_A_DATA_MEMORY_BEGIN         0x1000
 393#define REV_A_DATA_MEMORY_END           0x2FFF
 394#define REV_A_DATA_MEMORY_UNIT_LENGTH   0x0080
 395#define REV_A_DATA_MEMORY_LENGTH        (REV_A_DATA_MEMORY_END - REV_A_DATA_MEMORY_BEGIN + 1)
 396
 397#define REV_B_DATA_MEMORY_BEGIN         0x1000
 398#define REV_B_DATA_MEMORY_END           0x2BFF
 399#define REV_B_DATA_MEMORY_UNIT_LENGTH   0x0080
 400#define REV_B_DATA_MEMORY_LENGTH        (REV_B_DATA_MEMORY_END - REV_B_DATA_MEMORY_BEGIN + 1)
 401
 402
 403#define NUM_UNITS_KERNEL_CODE          16
 404#define NUM_UNITS_KERNEL_DATA           2
 405
 406#define NUM_UNITS_KERNEL_CODE_WITH_HSP 16
 407#define NUM_UNITS_KERNEL_DATA_WITH_HSP  5
 408
 409/*
 410 * Kernel data layout
 411 */
 412
 413#define DP_SHIFT_COUNT                  7
 414
 415#define KDATA_BASE_ADDR                 0x1000
 416#define KDATA_BASE_ADDR2                0x1080
 417
 418#define KDATA_TASK0                     (KDATA_BASE_ADDR + 0x0000)
 419#define KDATA_TASK1                     (KDATA_BASE_ADDR + 0x0001)
 420#define KDATA_TASK2                     (KDATA_BASE_ADDR + 0x0002)
 421#define KDATA_TASK3                     (KDATA_BASE_ADDR + 0x0003)
 422#define KDATA_TASK4                     (KDATA_BASE_ADDR + 0x0004)
 423#define KDATA_TASK5                     (KDATA_BASE_ADDR + 0x0005)
 424#define KDATA_TASK6                     (KDATA_BASE_ADDR + 0x0006)
 425#define KDATA_TASK7                     (KDATA_BASE_ADDR + 0x0007)
 426#define KDATA_TASK_ENDMARK              (KDATA_BASE_ADDR + 0x0008)
 427
 428#define KDATA_CURRENT_TASK              (KDATA_BASE_ADDR + 0x0009)
 429#define KDATA_TASK_SWITCH               (KDATA_BASE_ADDR + 0x000A)
 430
 431#define KDATA_INSTANCE0_POS3D           (KDATA_BASE_ADDR + 0x000B)
 432#define KDATA_INSTANCE1_POS3D           (KDATA_BASE_ADDR + 0x000C)
 433#define KDATA_INSTANCE2_POS3D           (KDATA_BASE_ADDR + 0x000D)
 434#define KDATA_INSTANCE3_POS3D           (KDATA_BASE_ADDR + 0x000E)
 435#define KDATA_INSTANCE4_POS3D           (KDATA_BASE_ADDR + 0x000F)
 436#define KDATA_INSTANCE5_POS3D           (KDATA_BASE_ADDR + 0x0010)
 437#define KDATA_INSTANCE6_POS3D           (KDATA_BASE_ADDR + 0x0011)
 438#define KDATA_INSTANCE7_POS3D           (KDATA_BASE_ADDR + 0x0012)
 439#define KDATA_INSTANCE8_POS3D           (KDATA_BASE_ADDR + 0x0013)
 440#define KDATA_INSTANCE_POS3D_ENDMARK    (KDATA_BASE_ADDR + 0x0014)
 441
 442#define KDATA_INSTANCE0_SPKVIRT         (KDATA_BASE_ADDR + 0x0015)
 443#define KDATA_INSTANCE_SPKVIRT_ENDMARK  (KDATA_BASE_ADDR + 0x0016)
 444
 445#define KDATA_INSTANCE0_SPDIF           (KDATA_BASE_ADDR + 0x0017)
 446#define KDATA_INSTANCE_SPDIF_ENDMARK    (KDATA_BASE_ADDR + 0x0018)
 447
 448#define KDATA_INSTANCE0_MODEM           (KDATA_BASE_ADDR + 0x0019)
 449#define KDATA_INSTANCE_MODEM_ENDMARK    (KDATA_BASE_ADDR + 0x001A)
 450
 451#define KDATA_INSTANCE0_SRC             (KDATA_BASE_ADDR + 0x001B)
 452#define KDATA_INSTANCE1_SRC             (KDATA_BASE_ADDR + 0x001C)
 453#define KDATA_INSTANCE_SRC_ENDMARK      (KDATA_BASE_ADDR + 0x001D)
 454
 455#define KDATA_INSTANCE0_MINISRC         (KDATA_BASE_ADDR + 0x001E)
 456#define KDATA_INSTANCE1_MINISRC         (KDATA_BASE_ADDR + 0x001F)
 457#define KDATA_INSTANCE2_MINISRC         (KDATA_BASE_ADDR + 0x0020)
 458#define KDATA_INSTANCE3_MINISRC         (KDATA_BASE_ADDR + 0x0021)
 459#define KDATA_INSTANCE_MINISRC_ENDMARK  (KDATA_BASE_ADDR + 0x0022)
 460
 461#define KDATA_INSTANCE0_CPYTHRU         (KDATA_BASE_ADDR + 0x0023)
 462#define KDATA_INSTANCE1_CPYTHRU         (KDATA_BASE_ADDR + 0x0024)
 463#define KDATA_INSTANCE_CPYTHRU_ENDMARK  (KDATA_BASE_ADDR + 0x0025)
 464
 465#define KDATA_CURRENT_DMA               (KDATA_BASE_ADDR + 0x0026)
 466#define KDATA_DMA_SWITCH                (KDATA_BASE_ADDR + 0x0027)
 467#define KDATA_DMA_ACTIVE                (KDATA_BASE_ADDR + 0x0028)
 468
 469#define KDATA_DMA_XFER0                 (KDATA_BASE_ADDR + 0x0029)
 470#define KDATA_DMA_XFER1                 (KDATA_BASE_ADDR + 0x002A)
 471#define KDATA_DMA_XFER2                 (KDATA_BASE_ADDR + 0x002B)
 472#define KDATA_DMA_XFER3                 (KDATA_BASE_ADDR + 0x002C)
 473#define KDATA_DMA_XFER4                 (KDATA_BASE_ADDR + 0x002D)
 474#define KDATA_DMA_XFER5                 (KDATA_BASE_ADDR + 0x002E)
 475#define KDATA_DMA_XFER6                 (KDATA_BASE_ADDR + 0x002F)
 476#define KDATA_DMA_XFER7                 (KDATA_BASE_ADDR + 0x0030)
 477#define KDATA_DMA_XFER8                 (KDATA_BASE_ADDR + 0x0031)
 478#define KDATA_DMA_XFER_ENDMARK          (KDATA_BASE_ADDR + 0x0032)
 479
 480#define KDATA_I2S_SAMPLE_COUNT          (KDATA_BASE_ADDR + 0x0033)
 481#define KDATA_I2S_INT_METER             (KDATA_BASE_ADDR + 0x0034)
 482#define KDATA_I2S_ACTIVE                (KDATA_BASE_ADDR + 0x0035)
 483
 484#define KDATA_TIMER_COUNT_RELOAD        (KDATA_BASE_ADDR + 0x0036)
 485#define KDATA_TIMER_COUNT_CURRENT       (KDATA_BASE_ADDR + 0x0037)
 486
 487#define KDATA_HALT_SYNCH_CLIENT         (KDATA_BASE_ADDR + 0x0038)
 488#define KDATA_HALT_SYNCH_DMA            (KDATA_BASE_ADDR + 0x0039)
 489#define KDATA_HALT_ACKNOWLEDGE          (KDATA_BASE_ADDR + 0x003A)
 490
 491#define KDATA_ADC1_XFER0                (KDATA_BASE_ADDR + 0x003B)
 492#define KDATA_ADC1_XFER_ENDMARK         (KDATA_BASE_ADDR + 0x003C)
 493#define KDATA_ADC1_LEFT_VOLUME			(KDATA_BASE_ADDR + 0x003D)
 494#define KDATA_ADC1_RIGHT_VOLUME  		(KDATA_BASE_ADDR + 0x003E)
 495#define KDATA_ADC1_LEFT_SUR_VOL			(KDATA_BASE_ADDR + 0x003F)
 496#define KDATA_ADC1_RIGHT_SUR_VOL		(KDATA_BASE_ADDR + 0x0040)
 497
 498#define KDATA_ADC2_XFER0                (KDATA_BASE_ADDR + 0x0041)
 499#define KDATA_ADC2_XFER_ENDMARK         (KDATA_BASE_ADDR + 0x0042)
 500#define KDATA_ADC2_LEFT_VOLUME			(KDATA_BASE_ADDR + 0x0043)
 501#define KDATA_ADC2_RIGHT_VOLUME			(KDATA_BASE_ADDR + 0x0044)
 502#define KDATA_ADC2_LEFT_SUR_VOL			(KDATA_BASE_ADDR + 0x0045)
 503#define KDATA_ADC2_RIGHT_SUR_VOL		(KDATA_BASE_ADDR + 0x0046)
 504
 505#define KDATA_CD_XFER0					(KDATA_BASE_ADDR + 0x0047)					
 506#define KDATA_CD_XFER_ENDMARK			(KDATA_BASE_ADDR + 0x0048)
 507#define KDATA_CD_LEFT_VOLUME			(KDATA_BASE_ADDR + 0x0049)
 508#define KDATA_CD_RIGHT_VOLUME			(KDATA_BASE_ADDR + 0x004A)
 509#define KDATA_CD_LEFT_SUR_VOL			(KDATA_BASE_ADDR + 0x004B)
 510#define KDATA_CD_RIGHT_SUR_VOL			(KDATA_BASE_ADDR + 0x004C)
 511
 512#define KDATA_MIC_XFER0					(KDATA_BASE_ADDR + 0x004D)
 513#define KDATA_MIC_XFER_ENDMARK			(KDATA_BASE_ADDR + 0x004E)
 514#define KDATA_MIC_VOLUME				(KDATA_BASE_ADDR + 0x004F)
 515#define KDATA_MIC_SUR_VOL				(KDATA_BASE_ADDR + 0x0050)
 516
 517#define KDATA_I2S_XFER0                 (KDATA_BASE_ADDR + 0x0051)
 518#define KDATA_I2S_XFER_ENDMARK          (KDATA_BASE_ADDR + 0x0052)
 519
 520#define KDATA_CHI_XFER0                 (KDATA_BASE_ADDR + 0x0053)
 521#define KDATA_CHI_XFER_ENDMARK          (KDATA_BASE_ADDR + 0x0054)
 522
 523#define KDATA_SPDIF_XFER                (KDATA_BASE_ADDR + 0x0055)
 524#define KDATA_SPDIF_CURRENT_FRAME       (KDATA_BASE_ADDR + 0x0056)
 525#define KDATA_SPDIF_FRAME0              (KDATA_BASE_ADDR + 0x0057)
 526#define KDATA_SPDIF_FRAME1              (KDATA_BASE_ADDR + 0x0058)
 527#define KDATA_SPDIF_FRAME2              (KDATA_BASE_ADDR + 0x0059)
 528
 529#define KDATA_SPDIF_REQUEST             (KDATA_BASE_ADDR + 0x005A)
 530#define KDATA_SPDIF_TEMP                (KDATA_BASE_ADDR + 0x005B)
 531
 532#define KDATA_SPDIFIN_XFER0             (KDATA_BASE_ADDR + 0x005C)
 533#define KDATA_SPDIFIN_XFER_ENDMARK      (KDATA_BASE_ADDR + 0x005D)
 534#define KDATA_SPDIFIN_INT_METER         (KDATA_BASE_ADDR + 0x005E)
 535
 536#define KDATA_DSP_RESET_COUNT           (KDATA_BASE_ADDR + 0x005F)
 537#define KDATA_DEBUG_OUTPUT              (KDATA_BASE_ADDR + 0x0060)
 538
 539#define KDATA_KERNEL_ISR_LIST           (KDATA_BASE_ADDR + 0x0061)
 540
 541#define KDATA_KERNEL_ISR_CBSR1          (KDATA_BASE_ADDR + 0x0062)
 542#define KDATA_KERNEL_ISR_CBER1          (KDATA_BASE_ADDR + 0x0063)
 543#define KDATA_KERNEL_ISR_CBCR           (KDATA_BASE_ADDR + 0x0064)
 544#define KDATA_KERNEL_ISR_AR0            (KDATA_BASE_ADDR + 0x0065)
 545#define KDATA_KERNEL_ISR_AR1            (KDATA_BASE_ADDR + 0x0066)
 546#define KDATA_KERNEL_ISR_AR2            (KDATA_BASE_ADDR + 0x0067)
 547#define KDATA_KERNEL_ISR_AR3            (KDATA_BASE_ADDR + 0x0068)
 548#define KDATA_KERNEL_ISR_AR4            (KDATA_BASE_ADDR + 0x0069)
 549#define KDATA_KERNEL_ISR_AR5            (KDATA_BASE_ADDR + 0x006A)
 550#define KDATA_KERNEL_ISR_BRCR           (KDATA_BASE_ADDR + 0x006B)
 551#define KDATA_KERNEL_ISR_PASR           (KDATA_BASE_ADDR + 0x006C)
 552#define KDATA_KERNEL_ISR_PAER           (KDATA_BASE_ADDR + 0x006D)
 553
 554#define KDATA_CLIENT_SCRATCH0           (KDATA_BASE_ADDR + 0x006E)
 555#define KDATA_CLIENT_SCRATCH1           (KDATA_BASE_ADDR + 0x006F)
 556#define KDATA_KERNEL_SCRATCH            (KDATA_BASE_ADDR + 0x0070)
 557#define KDATA_KERNEL_ISR_SCRATCH        (KDATA_BASE_ADDR + 0x0071)
 558
 559#define KDATA_OUEUE_LEFT                (KDATA_BASE_ADDR + 0x0072)
 560#define KDATA_QUEUE_RIGHT               (KDATA_BASE_ADDR + 0x0073)
 561
 562#define KDATA_ADC1_REQUEST              (KDATA_BASE_ADDR + 0x0074)
 563#define KDATA_ADC2_REQUEST              (KDATA_BASE_ADDR + 0x0075)
 564#define KDATA_CD_REQUEST				(KDATA_BASE_ADDR + 0x0076)
 565#define KDATA_MIC_REQUEST				(KDATA_BASE_ADDR + 0x0077)
 566
 567#define KDATA_ADC1_MIXER_REQUEST        (KDATA_BASE_ADDR + 0x0078)
 568#define KDATA_ADC2_MIXER_REQUEST        (KDATA_BASE_ADDR + 0x0079)
 569#define KDATA_CD_MIXER_REQUEST			(KDATA_BASE_ADDR + 0x007A)
 570#define KDATA_MIC_MIXER_REQUEST			(KDATA_BASE_ADDR + 0x007B)
 571#define KDATA_MIC_SYNC_COUNTER			(KDATA_BASE_ADDR + 0x007C)
 572
 573/*
 574 * second 'segment' (?) reserved for mixer
 575 * buffers..
 576 */
 577
 578#define KDATA_MIXER_WORD0               (KDATA_BASE_ADDR2 + 0x0000)
 579#define KDATA_MIXER_WORD1               (KDATA_BASE_ADDR2 + 0x0001)
 580#define KDATA_MIXER_WORD2               (KDATA_BASE_ADDR2 + 0x0002)
 581#define KDATA_MIXER_WORD3               (KDATA_BASE_ADDR2 + 0x0003)
 582#define KDATA_MIXER_WORD4               (KDATA_BASE_ADDR2 + 0x0004)
 583#define KDATA_MIXER_WORD5               (KDATA_BASE_ADDR2 + 0x0005)
 584#define KDATA_MIXER_WORD6               (KDATA_BASE_ADDR2 + 0x0006)
 585#define KDATA_MIXER_WORD7               (KDATA_BASE_ADDR2 + 0x0007)
 586#define KDATA_MIXER_WORD8               (KDATA_BASE_ADDR2 + 0x0008)
 587#define KDATA_MIXER_WORD9               (KDATA_BASE_ADDR2 + 0x0009)
 588#define KDATA_MIXER_WORDA               (KDATA_BASE_ADDR2 + 0x000A)
 589#define KDATA_MIXER_WORDB               (KDATA_BASE_ADDR2 + 0x000B)
 590#define KDATA_MIXER_WORDC               (KDATA_BASE_ADDR2 + 0x000C)
 591#define KDATA_MIXER_WORDD               (KDATA_BASE_ADDR2 + 0x000D)
 592#define KDATA_MIXER_WORDE               (KDATA_BASE_ADDR2 + 0x000E)
 593#define KDATA_MIXER_WORDF               (KDATA_BASE_ADDR2 + 0x000F)
 594
 595#define KDATA_MIXER_XFER0               (KDATA_BASE_ADDR2 + 0x0010)
 596#define KDATA_MIXER_XFER1               (KDATA_BASE_ADDR2 + 0x0011)
 597#define KDATA_MIXER_XFER2               (KDATA_BASE_ADDR2 + 0x0012)
 598#define KDATA_MIXER_XFER3               (KDATA_BASE_ADDR2 + 0x0013)
 599#define KDATA_MIXER_XFER4               (KDATA_BASE_ADDR2 + 0x0014)
 600#define KDATA_MIXER_XFER5               (KDATA_BASE_ADDR2 + 0x0015)
 601#define KDATA_MIXER_XFER6               (KDATA_BASE_ADDR2 + 0x0016)
 602#define KDATA_MIXER_XFER7               (KDATA_BASE_ADDR2 + 0x0017)
 603#define KDATA_MIXER_XFER8               (KDATA_BASE_ADDR2 + 0x0018)
 604#define KDATA_MIXER_XFER9               (KDATA_BASE_ADDR2 + 0x0019)
 605#define KDATA_MIXER_XFER_ENDMARK        (KDATA_BASE_ADDR2 + 0x001A)
 606
 607#define KDATA_MIXER_TASK_NUMBER         (KDATA_BASE_ADDR2 + 0x001B)
 608#define KDATA_CURRENT_MIXER             (KDATA_BASE_ADDR2 + 0x001C)
 609#define KDATA_MIXER_ACTIVE              (KDATA_BASE_ADDR2 + 0x001D)
 610#define KDATA_MIXER_BANK_STATUS         (KDATA_BASE_ADDR2 + 0x001E)
 611#define KDATA_DAC_LEFT_VOLUME	        (KDATA_BASE_ADDR2 + 0x001F)
 612#define KDATA_DAC_RIGHT_VOLUME          (KDATA_BASE_ADDR2 + 0x0020)
 613
 614#define MAX_INSTANCE_MINISRC            (KDATA_INSTANCE_MINISRC_ENDMARK - KDATA_INSTANCE0_MINISRC)
 615#define MAX_VIRTUAL_DMA_CHANNELS        (KDATA_DMA_XFER_ENDMARK - KDATA_DMA_XFER0)
 616#define MAX_VIRTUAL_MIXER_CHANNELS      (KDATA_MIXER_XFER_ENDMARK - KDATA_MIXER_XFER0)
 617#define MAX_VIRTUAL_ADC1_CHANNELS       (KDATA_ADC1_XFER_ENDMARK - KDATA_ADC1_XFER0)
 618
 619/*
 620 * client data area offsets
 621 */
 622#define CDATA_INSTANCE_READY            0x00
 623
 624#define CDATA_HOST_SRC_ADDRL            0x01
 625#define CDATA_HOST_SRC_ADDRH            0x02
 626#define CDATA_HOST_SRC_END_PLUS_1L      0x03
 627#define CDATA_HOST_SRC_END_PLUS_1H      0x04
 628#define CDATA_HOST_SRC_CURRENTL         0x05
 629#define CDATA_HOST_SRC_CURRENTH         0x06
 630
 631#define CDATA_IN_BUF_CONNECT            0x07
 632#define CDATA_OUT_BUF_CONNECT           0x08
 633
 634#define CDATA_IN_BUF_BEGIN              0x09
 635#define CDATA_IN_BUF_END_PLUS_1         0x0A
 636#define CDATA_IN_BUF_HEAD               0x0B
 637#define CDATA_IN_BUF_TAIL               0x0C
 638#define CDATA_OUT_BUF_BEGIN             0x0D
 639#define CDATA_OUT_BUF_END_PLUS_1        0x0E
 640#define CDATA_OUT_BUF_HEAD              0x0F
 641#define CDATA_OUT_BUF_TAIL              0x10
 642
 643#define CDATA_DMA_CONTROL               0x11
 644#define CDATA_RESERVED                  0x12
 645
 646#define CDATA_FREQUENCY                 0x13
 647#define CDATA_LEFT_VOLUME               0x14
 648#define CDATA_RIGHT_VOLUME              0x15
 649#define CDATA_LEFT_SUR_VOL              0x16
 650#define CDATA_RIGHT_SUR_VOL             0x17
 651
 652#define CDATA_HEADER_LEN                0x18
 653
 654#define SRC3_DIRECTION_OFFSET           CDATA_HEADER_LEN
 655#define SRC3_MODE_OFFSET                (CDATA_HEADER_LEN + 1)
 656#define SRC3_WORD_LENGTH_OFFSET         (CDATA_HEADER_LEN + 2)
 657#define SRC3_PARAMETER_OFFSET           (CDATA_HEADER_LEN + 3)
 658#define SRC3_COEFF_ADDR_OFFSET          (CDATA_HEADER_LEN + 8)
 659#define SRC3_FILTAP_ADDR_OFFSET         (CDATA_HEADER_LEN + 10)
 660#define SRC3_TEMP_INBUF_ADDR_OFFSET     (CDATA_HEADER_LEN + 16)
 661#define SRC3_TEMP_OUTBUF_ADDR_OFFSET    (CDATA_HEADER_LEN + 17)
 662
 663#define MINISRC_IN_BUFFER_SIZE   ( 0x50 * 2 )
 664#define MINISRC_OUT_BUFFER_SIZE  ( 0x50 * 2 * 2)
 665#define MINISRC_TMP_BUFFER_SIZE  ( 112 + ( MINISRC_BIQUAD_STAGE * 3 + 4 ) * 2 * 2 )
 666#define MINISRC_BIQUAD_STAGE    2
 667#define MINISRC_COEF_LOC          0x175
 668
 669#define DMACONTROL_BLOCK_MASK           0x000F
 670#define  DMAC_BLOCK0_SELECTOR           0x0000
 671#define  DMAC_BLOCK1_SELECTOR           0x0001
 672#define  DMAC_BLOCK2_SELECTOR           0x0002
 673#define  DMAC_BLOCK3_SELECTOR           0x0003
 674#define  DMAC_BLOCK4_SELECTOR           0x0004
 675#define  DMAC_BLOCK5_SELECTOR           0x0005
 676#define  DMAC_BLOCK6_SELECTOR           0x0006
 677#define  DMAC_BLOCK7_SELECTOR           0x0007
 678#define  DMAC_BLOCK8_SELECTOR           0x0008
 679#define  DMAC_BLOCK9_SELECTOR           0x0009
 680#define  DMAC_BLOCKA_SELECTOR           0x000A
 681#define  DMAC_BLOCKB_SELECTOR           0x000B
 682#define  DMAC_BLOCKC_SELECTOR           0x000C
 683#define  DMAC_BLOCKD_SELECTOR           0x000D
 684#define  DMAC_BLOCKE_SELECTOR           0x000E
 685#define  DMAC_BLOCKF_SELECTOR           0x000F
 686#define DMACONTROL_PAGE_MASK            0x00F0
 687#define  DMAC_PAGE0_SELECTOR            0x0030
 688#define  DMAC_PAGE1_SELECTOR            0x0020
 689#define  DMAC_PAGE2_SELECTOR            0x0010
 690#define  DMAC_PAGE3_SELECTOR            0x0000
 691#define DMACONTROL_AUTOREPEAT           0x1000
 692#define DMACONTROL_STOPPED              0x2000
 693#define DMACONTROL_DIRECTION            0x0100
 694
 695/*
 696 * an arbitrary volume we set the internal
 697 * volume settings to so that the ac97 volume
 698 * range is a little less insane.  0x7fff is 
 699 * max.
 700 */
 701#define ARB_VOLUME ( 0x6800 )
 702
 703/*
 704 */
 705
 706struct m3_list {
 707	int curlen;
 708	int mem_addr;
 709	int max;
 710};
 711
 712struct m3_dma {
 713
 714	int number;
 715	struct snd_pcm_substream *substream;
 716
 717	struct assp_instance {
 718		unsigned short code, data;
 719	} inst;
 720
 721	int running;
 722	int opened;
 723
 724	unsigned long buffer_addr;
 725	int dma_size;
 726	int period_size;
 727	unsigned int hwptr;
 728	int count;
 729
 730	int index[3];
 731	struct m3_list *index_list[3];
 732
 733        int in_lists;
 734	
 735	struct list_head list;
 736
 737};
 738    
 739struct snd_m3 {
 740	
 741	struct snd_card *card;
 742
 743	unsigned long iobase;
 744
 745	int irq;
 746	unsigned int allegro_flag : 1;
 747
 748	struct snd_ac97 *ac97;
 749
 750	struct snd_pcm *pcm;
 751
 752	struct pci_dev *pci;
 753
 754	int dacs_active;
 755	int timer_users;
 756
 757	struct m3_list  msrc_list;
 758	struct m3_list  mixer_list;
 759	struct m3_list  adc1_list;
 760	struct m3_list  dma_list;
 761
 762	/* for storing reset state..*/
 763	u8 reset_state;
 764
 765	int external_amp;
 766	int amp_gpio;	/* gpio pin #  for external amp, -1 = default */
 767	unsigned int hv_config;		/* hardware-volume config bits */
 768	unsigned irda_workaround :1;	/* avoid to touch 0x10 on GPIO_DIRECTION
 769					   (e.g. for IrDA on Dell Inspirons) */
 770	unsigned is_omnibook :1;	/* Do HP OmniBook GPIO magic? */
 771
 772	/* midi */
 773	struct snd_rawmidi *rmidi;
 774
 775	/* pcm streams */
 776	int num_substreams;
 777	struct m3_dma *substreams;
 778
 779	spinlock_t reg_lock;
 780
 781#ifdef CONFIG_SND_MAESTRO3_INPUT
 782	struct input_dev *input_dev;
 783	char phys[64];			/* physical device path */
 784#else
 785	struct snd_kcontrol *master_switch;
 786	struct snd_kcontrol *master_volume;
 787#endif
 788	struct work_struct hwvol_work;
 789
 790	unsigned int in_suspend;
 791
 792#ifdef CONFIG_PM_SLEEP
 793	u16 *suspend_mem;
 794#endif
 795
 796	const struct firmware *assp_kernel_image;
 797	const struct firmware *assp_minisrc_image;
 798};
 799
 800/*
 801 * pci ids
 802 */
 803static DEFINE_PCI_DEVICE_TABLE(snd_m3_ids) = {
 804	{PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ALLEGRO_1, PCI_ANY_ID, PCI_ANY_ID,
 805	 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 806	{PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ALLEGRO, PCI_ANY_ID, PCI_ANY_ID,
 807	 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 808	{PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_CANYON3D_2LE, PCI_ANY_ID, PCI_ANY_ID,
 809	 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 810	{PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_CANYON3D_2, PCI_ANY_ID, PCI_ANY_ID,
 811	 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 812	{PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3, PCI_ANY_ID, PCI_ANY_ID,
 813	 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 814	{PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_1, PCI_ANY_ID, PCI_ANY_ID,
 815	 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 816	{PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_HW, PCI_ANY_ID, PCI_ANY_ID,
 817	 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 818	{PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_2, PCI_ANY_ID, PCI_ANY_ID,
 819	 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 820	{0,},
 821};
 822
 823MODULE_DEVICE_TABLE(pci, snd_m3_ids);
 824
 825static struct snd_pci_quirk m3_amp_quirk_list[] = {
 826	SND_PCI_QUIRK(0x0E11, 0x0094, "Compaq Evo N600c", 0x0c),
 827	SND_PCI_QUIRK(0x10f7, 0x833e, "Panasonic CF-28", 0x0d),
 828	SND_PCI_QUIRK(0x10f7, 0x833d, "Panasonic CF-72", 0x0d),
 829	SND_PCI_QUIRK(0x1033, 0x80f1, "NEC LM800J/7", 0x03),
 830	SND_PCI_QUIRK(0x1509, 0x1740, "LEGEND ZhaoYang 3100CF", 0x03),
 831	{ } /* END */
 832};
 833
 834static struct snd_pci_quirk m3_irda_quirk_list[] = {
 835	SND_PCI_QUIRK(0x1028, 0x00b0, "Dell Inspiron 4000", 1),
 836	SND_PCI_QUIRK(0x1028, 0x00a4, "Dell Inspiron 8000", 1),
 837	SND_PCI_QUIRK(0x1028, 0x00e6, "Dell Inspiron 8100", 1),
 838	{ } /* END */
 839};
 840
 841/* hardware volume quirks */
 842static struct snd_pci_quirk m3_hv_quirk_list[] = {
 843	/* Allegro chips */
 844	SND_PCI_QUIRK(0x0E11, 0x002E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 845	SND_PCI_QUIRK(0x0E11, 0x0094, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 846	SND_PCI_QUIRK(0x0E11, 0xB112, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 847	SND_PCI_QUIRK(0x0E11, 0xB114, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 848	SND_PCI_QUIRK(0x103C, 0x0012, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 849	SND_PCI_QUIRK(0x103C, 0x0018, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 850	SND_PCI_QUIRK(0x103C, 0x001C, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 851	SND_PCI_QUIRK(0x103C, 0x001D, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 852	SND_PCI_QUIRK(0x103C, 0x001E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 853	SND_PCI_QUIRK(0x107B, 0x3350, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 854	SND_PCI_QUIRK(0x10F7, 0x8338, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 855	SND_PCI_QUIRK(0x10F7, 0x833C, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 856	SND_PCI_QUIRK(0x10F7, 0x833D, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 857	SND_PCI_QUIRK(0x10F7, 0x833E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 858	SND_PCI_QUIRK(0x10F7, 0x833F, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 859	SND_PCI_QUIRK(0x13BD, 0x1018, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 860	SND_PCI_QUIRK(0x13BD, 0x1019, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 861	SND_PCI_QUIRK(0x13BD, 0x101A, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 862	SND_PCI_QUIRK(0x14FF, 0x0F03, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 863	SND_PCI_QUIRK(0x14FF, 0x0F04, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 864	SND_PCI_QUIRK(0x14FF, 0x0F05, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 865	SND_PCI_QUIRK(0x156D, 0xB400, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 866	SND_PCI_QUIRK(0x156D, 0xB795, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 867	SND_PCI_QUIRK(0x156D, 0xB797, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 868	SND_PCI_QUIRK(0x156D, 0xC700, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 869	SND_PCI_QUIRK(0x1033, 0x80F1, NULL,
 870		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 871	SND_PCI_QUIRK(0x103C, 0x001A, NULL, /* HP OmniBook 6100 */
 872		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 873	SND_PCI_QUIRK(0x107B, 0x340A, NULL,
 874		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 875	SND_PCI_QUIRK(0x107B, 0x3450, NULL,
 876		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 877	SND_PCI_QUIRK(0x109F, 0x3134, NULL,
 878		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 879	SND_PCI_QUIRK(0x109F, 0x3161, NULL,
 880		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 881	SND_PCI_QUIRK(0x144D, 0x3280, NULL,
 882		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 883	SND_PCI_QUIRK(0x144D, 0x3281, NULL,
 884		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 885	SND_PCI_QUIRK(0x144D, 0xC002, NULL,
 886		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 887	SND_PCI_QUIRK(0x144D, 0xC003, NULL,
 888		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 889	SND_PCI_QUIRK(0x1509, 0x1740, NULL,
 890		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 891	SND_PCI_QUIRK(0x1610, 0x0010, NULL,
 892		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 893	SND_PCI_QUIRK(0x1042, 0x1042, NULL, HV_CTRL_ENABLE),
 894	SND_PCI_QUIRK(0x107B, 0x9500, NULL, HV_CTRL_ENABLE),
 895	SND_PCI_QUIRK(0x14FF, 0x0F06, NULL, HV_CTRL_ENABLE),
 896	SND_PCI_QUIRK(0x1558, 0x8586, NULL, HV_CTRL_ENABLE),
 897	SND_PCI_QUIRK(0x161F, 0x2011, NULL, HV_CTRL_ENABLE),
 898	/* Maestro3 chips */
 899	SND_PCI_QUIRK(0x103C, 0x000E, NULL, HV_CTRL_ENABLE),
 900	SND_PCI_QUIRK(0x103C, 0x0010, NULL, HV_CTRL_ENABLE),
 901	SND_PCI_QUIRK(0x103C, 0x0011, NULL, HV_CTRL_ENABLE),
 902	SND_PCI_QUIRK(0x103C, 0x001B, NULL, HV_CTRL_ENABLE),
 903	SND_PCI_QUIRK(0x104D, 0x80A6, NULL, HV_CTRL_ENABLE),
 904	SND_PCI_QUIRK(0x104D, 0x80AA, NULL, HV_CTRL_ENABLE),
 905	SND_PCI_QUIRK(0x107B, 0x5300, NULL, HV_CTRL_ENABLE),
 906	SND_PCI_QUIRK(0x110A, 0x1998, NULL, HV_CTRL_ENABLE),
 907	SND_PCI_QUIRK(0x13BD, 0x1015, NULL, HV_CTRL_ENABLE),
 908	SND_PCI_QUIRK(0x13BD, 0x101C, NULL, HV_CTRL_ENABLE),
 909	SND_PCI_QUIRK(0x13BD, 0x1802, NULL, HV_CTRL_ENABLE),
 910	SND_PCI_QUIRK(0x1599, 0x0715, NULL, HV_CTRL_ENABLE),
 911	SND_PCI_QUIRK(0x5643, 0x5643, NULL, HV_CTRL_ENABLE),
 912	SND_PCI_QUIRK(0x144D, 0x3260, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
 913	SND_PCI_QUIRK(0x144D, 0x3261, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
 914	SND_PCI_QUIRK(0x144D, 0xC000, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
 915	SND_PCI_QUIRK(0x144D, 0xC001, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
 916	{ } /* END */
 917};
 918
 919/* HP Omnibook quirks */
 920static struct snd_pci_quirk m3_omnibook_quirk_list[] = {
 921	SND_PCI_QUIRK_ID(0x103c, 0x0010), /* HP OmniBook 6000 */
 922	SND_PCI_QUIRK_ID(0x103c, 0x0011), /* HP OmniBook 500 */
 923	{ } /* END */
 924};
 925
 926/*
 927 * lowlevel functions
 928 */
 929
 930static inline void snd_m3_outw(struct snd_m3 *chip, u16 value, unsigned long reg)
 931{
 932	outw(value, chip->iobase + reg);
 933}
 934
 935static inline u16 snd_m3_inw(struct snd_m3 *chip, unsigned long reg)
 936{
 937	return inw(chip->iobase + reg);
 938}
 939
 940static inline void snd_m3_outb(struct snd_m3 *chip, u8 value, unsigned long reg)
 941{
 942	outb(value, chip->iobase + reg);
 943}
 944
 945static inline u8 snd_m3_inb(struct snd_m3 *chip, unsigned long reg)
 946{
 947	return inb(chip->iobase + reg);
 948}
 949
 950/*
 951 * access 16bit words to the code or data regions of the dsp's memory.
 952 * index addresses 16bit words.
 953 */
 954static u16 snd_m3_assp_read(struct snd_m3 *chip, u16 region, u16 index)
 955{
 956	snd_m3_outw(chip, region & MEMTYPE_MASK, DSP_PORT_MEMORY_TYPE);
 957	snd_m3_outw(chip, index, DSP_PORT_MEMORY_INDEX);
 958	return snd_m3_inw(chip, DSP_PORT_MEMORY_DATA);
 959}
 960
 961static void snd_m3_assp_write(struct snd_m3 *chip, u16 region, u16 index, u16 data)
 962{
 963	snd_m3_outw(chip, region & MEMTYPE_MASK, DSP_PORT_MEMORY_TYPE);
 964	snd_m3_outw(chip, index, DSP_PORT_MEMORY_INDEX);
 965	snd_m3_outw(chip, data, DSP_PORT_MEMORY_DATA);
 966}
 967
 968static void snd_m3_assp_halt(struct snd_m3 *chip)
 969{
 970	chip->reset_state = snd_m3_inb(chip, DSP_PORT_CONTROL_REG_B) & ~REGB_STOP_CLOCK;
 971	msleep(10);
 972	snd_m3_outb(chip, chip->reset_state & ~REGB_ENABLE_RESET, DSP_PORT_CONTROL_REG_B);
 973}
 974
 975static void snd_m3_assp_continue(struct snd_m3 *chip)
 976{
 977	snd_m3_outb(chip, chip->reset_state | REGB_ENABLE_RESET, DSP_PORT_CONTROL_REG_B);
 978}
 979
 980
 981/*
 982 * This makes me sad. the maestro3 has lists
 983 * internally that must be packed.. 0 terminates,
 984 * apparently, or maybe all unused entries have
 985 * to be 0, the lists have static lengths set
 986 * by the binary code images.
 987 */
 988
 989static int snd_m3_add_list(struct snd_m3 *chip, struct m3_list *list, u16 val)
 990{
 991	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
 992			  list->mem_addr + list->curlen,
 993			  val);
 994	return list->curlen++;
 995}
 996
 997static void snd_m3_remove_list(struct snd_m3 *chip, struct m3_list *list, int index)
 998{
 999	u16  val;
1000	int lastindex = list->curlen - 1;
1001
1002	if (index != lastindex) {
1003		val = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1004				       list->mem_addr + lastindex);
1005		snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1006				  list->mem_addr + index,
1007				  val);
1008	}
1009
1010	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1011			  list->mem_addr + lastindex,
1012			  0);
1013
1014	list->curlen--;
1015}
1016
1017static void snd_m3_inc_timer_users(struct snd_m3 *chip)
1018{
1019	chip->timer_users++;
1020	if (chip->timer_users != 1) 
1021		return;
1022
1023	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1024			  KDATA_TIMER_COUNT_RELOAD,
1025			  240);
1026
1027	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1028			  KDATA_TIMER_COUNT_CURRENT,
1029			  240);
1030
1031	snd_m3_outw(chip,
1032		    snd_m3_inw(chip, HOST_INT_CTRL) | CLKRUN_GEN_ENABLE,
1033		    HOST_INT_CTRL);
1034}
1035
1036static void snd_m3_dec_timer_users(struct snd_m3 *chip)
1037{
1038	chip->timer_users--;
1039	if (chip->timer_users > 0)  
1040		return;
1041
1042	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1043			  KDATA_TIMER_COUNT_RELOAD,
1044			  0);
1045
1046	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1047			  KDATA_TIMER_COUNT_CURRENT,
1048			  0);
1049
1050	snd_m3_outw(chip,
1051		    snd_m3_inw(chip, HOST_INT_CTRL) & ~CLKRUN_GEN_ENABLE,
1052		    HOST_INT_CTRL);
1053}
1054
1055/*
1056 * start/stop
1057 */
1058
1059/* spinlock held! */
1060static int snd_m3_pcm_start(struct snd_m3 *chip, struct m3_dma *s,
1061			    struct snd_pcm_substream *subs)
1062{
1063	if (! s || ! subs)
1064		return -EINVAL;
1065
1066	snd_m3_inc_timer_users(chip);
1067	switch (subs->stream) {
1068	case SNDRV_PCM_STREAM_PLAYBACK:
1069		chip->dacs_active++;
1070		snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1071				  s->inst.data + CDATA_INSTANCE_READY, 1);
1072		snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1073				  KDATA_MIXER_TASK_NUMBER,
1074				  chip->dacs_active);
1075		break;
1076	case SNDRV_PCM_STREAM_CAPTURE:
1077		snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1078				  KDATA_ADC1_REQUEST, 1);
1079		snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1080				  s->inst.data + CDATA_INSTANCE_READY, 1);
1081		break;
1082	}
1083	return 0;
1084}
1085
1086/* spinlock held! */
1087static int snd_m3_pcm_stop(struct snd_m3 *chip, struct m3_dma *s,
1088			   struct snd_pcm_substream *subs)
1089{
1090	if (! s || ! subs)
1091		return -EINVAL;
1092
1093	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1094			  s->inst.data + CDATA_INSTANCE_READY, 0);
1095	snd_m3_dec_timer_users(chip);
1096	switch (subs->stream) {
1097	case SNDRV_PCM_STREAM_PLAYBACK:
1098		chip->dacs_active--;
1099		snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1100				  KDATA_MIXER_TASK_NUMBER, 
1101				  chip->dacs_active);
1102		break;
1103	case SNDRV_PCM_STREAM_CAPTURE:
1104		snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1105				  KDATA_ADC1_REQUEST, 0);
1106		break;
1107	}
1108	return 0;
1109}
1110
1111static int
1112snd_m3_pcm_trigger(struct snd_pcm_substream *subs, int cmd)
1113{
1114	struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1115	struct m3_dma *s = subs->runtime->private_data;
1116	int err = -EINVAL;
1117
1118	if (snd_BUG_ON(!s))
1119		return -ENXIO;
1120
1121	spin_lock(&chip->reg_lock);
1122	switch (cmd) {
1123	case SNDRV_PCM_TRIGGER_START:
1124	case SNDRV_PCM_TRIGGER_RESUME:
1125		if (s->running)
1126			err = -EBUSY;
1127		else {
1128			s->running = 1;
1129			err = snd_m3_pcm_start(chip, s, subs);
1130		}
1131		break;
1132	case SNDRV_PCM_TRIGGER_STOP:
1133	case SNDRV_PCM_TRIGGER_SUSPEND:
1134		if (! s->running)
1135			err = 0; /* should return error? */
1136		else {
1137			s->running = 0;
1138			err = snd_m3_pcm_stop(chip, s, subs);
1139		}
1140		break;
1141	}
1142	spin_unlock(&chip->reg_lock);
1143	return err;
1144}
1145
1146/*
1147 * setup
1148 */
1149static void 
1150snd_m3_pcm_setup1(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1151{
1152	int dsp_in_size, dsp_out_size, dsp_in_buffer, dsp_out_buffer;
1153	struct snd_pcm_runtime *runtime = subs->runtime;
1154
1155	if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1156		dsp_in_size = MINISRC_IN_BUFFER_SIZE - (0x20 * 2);
1157		dsp_out_size = MINISRC_OUT_BUFFER_SIZE - (0x20 * 2);
1158	} else {
1159		dsp_in_size = MINISRC_IN_BUFFER_SIZE - (0x10 * 2);
1160		dsp_out_size = MINISRC_OUT_BUFFER_SIZE - (0x10 * 2);
1161	}
1162	dsp_in_buffer = s->inst.data + (MINISRC_TMP_BUFFER_SIZE / 2);
1163	dsp_out_buffer = dsp_in_buffer + (dsp_in_size / 2) + 1;
1164
1165	s->dma_size = frames_to_bytes(runtime, runtime->buffer_size);
1166	s->period_size = frames_to_bytes(runtime, runtime->period_size);
1167	s->hwptr = 0;
1168	s->count = 0;
1169
1170#define LO(x) ((x) & 0xffff)
1171#define HI(x) LO((x) >> 16)
1172
1173	/* host dma buffer pointers */
1174	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1175			  s->inst.data + CDATA_HOST_SRC_ADDRL,
1176			  LO(s->buffer_addr));
1177
1178	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1179			  s->inst.data + CDATA_HOST_SRC_ADDRH,
1180			  HI(s->buffer_addr));
1181
1182	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1183			  s->inst.data + CDATA_HOST_SRC_END_PLUS_1L,
1184			  LO(s->buffer_addr + s->dma_size));
1185
1186	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1187			  s->inst.data + CDATA_HOST_SRC_END_PLUS_1H,
1188			  HI(s->buffer_addr + s->dma_size));
1189
1190	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1191			  s->inst.data + CDATA_HOST_SRC_CURRENTL,
1192			  LO(s->buffer_addr));
1193
1194	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1195			  s->inst.data + CDATA_HOST_SRC_CURRENTH,
1196			  HI(s->buffer_addr));
1197#undef LO
1198#undef HI
1199
1200	/* dsp buffers */
1201
1202	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1203			  s->inst.data + CDATA_IN_BUF_BEGIN,
1204			  dsp_in_buffer);
1205
1206	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1207			  s->inst.data + CDATA_IN_BUF_END_PLUS_1,
1208			  dsp_in_buffer + (dsp_in_size / 2));
1209
1210	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1211			  s->inst.data + CDATA_IN_BUF_HEAD,
1212			  dsp_in_buffer);
1213    
1214	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1215			  s->inst.data + CDATA_IN_BUF_TAIL,
1216			  dsp_in_buffer);
1217
1218	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1219			  s->inst.data + CDATA_OUT_BUF_BEGIN,
1220			  dsp_out_buffer);
1221
1222	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1223			  s->inst.data + CDATA_OUT_BUF_END_PLUS_1,
1224			  dsp_out_buffer + (dsp_out_size / 2));
1225
1226	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1227			  s->inst.data + CDATA_OUT_BUF_HEAD,
1228			  dsp_out_buffer);
1229
1230	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1231			  s->inst.data + CDATA_OUT_BUF_TAIL,
1232			  dsp_out_buffer);
1233}
1234
1235static void snd_m3_pcm_setup2(struct snd_m3 *chip, struct m3_dma *s,
1236			      struct snd_pcm_runtime *runtime)
1237{
1238	u32 freq;
1239
1240	/* 
1241	 * put us in the lists if we're not already there
1242	 */
1243	if (! s->in_lists) {
1244		s->index[0] = snd_m3_add_list(chip, s->index_list[0],
1245					      s->inst.data >> DP_SHIFT_COUNT);
1246		s->index[1] = snd_m3_add_list(chip, s->index_list[1],
1247					      s->inst.data >> DP_SHIFT_COUNT);
1248		s->index[2] = snd_m3_add_list(chip, s->index_list[2],
1249					      s->inst.data >> DP_SHIFT_COUNT);
1250		s->in_lists = 1;
1251	}
1252
1253	/* write to 'mono' word */
1254	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1255			  s->inst.data + SRC3_DIRECTION_OFFSET + 1, 
1256			  runtime->channels == 2 ? 0 : 1);
1257	/* write to '8bit' word */
1258	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1259			  s->inst.data + SRC3_DIRECTION_OFFSET + 2, 
1260			  snd_pcm_format_width(runtime->format) == 16 ? 0 : 1);
1261
1262	/* set up dac/adc rate */
1263	freq = ((runtime->rate << 15) + 24000 ) / 48000;
1264	if (freq) 
1265		freq--;
1266
1267	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1268			  s->inst.data + CDATA_FREQUENCY,
1269			  freq);
1270}
1271
1272
1273static const struct play_vals {
1274	u16 addr, val;
1275} pv[] = {
1276	{CDATA_LEFT_VOLUME, ARB_VOLUME},
1277	{CDATA_RIGHT_VOLUME, ARB_VOLUME},
1278	{SRC3_DIRECTION_OFFSET, 0} ,
1279	/* +1, +2 are stereo/16 bit */
1280	{SRC3_DIRECTION_OFFSET + 3, 0x0000}, /* fraction? */
1281	{SRC3_DIRECTION_OFFSET + 4, 0}, /* first l */
1282	{SRC3_DIRECTION_OFFSET + 5, 0}, /* first r */
1283	{SRC3_DIRECTION_OFFSET + 6, 0}, /* second l */
1284	{SRC3_DIRECTION_OFFSET + 7, 0}, /* second r */
1285	{SRC3_DIRECTION_OFFSET + 8, 0}, /* delta l */
1286	{SRC3_DIRECTION_OFFSET + 9, 0}, /* delta r */
1287	{SRC3_DIRECTION_OFFSET + 10, 0x8000}, /* round */
1288	{SRC3_DIRECTION_OFFSET + 11, 0xFF00}, /* higher bute mark */
1289	{SRC3_DIRECTION_OFFSET + 13, 0}, /* temp0 */
1290	{SRC3_DIRECTION_OFFSET + 14, 0}, /* c fraction */
1291	{SRC3_DIRECTION_OFFSET + 15, 0}, /* counter */
1292	{SRC3_DIRECTION_OFFSET + 16, 8}, /* numin */
1293	{SRC3_DIRECTION_OFFSET + 17, 50*2}, /* numout */
1294	{SRC3_DIRECTION_OFFSET + 18, MINISRC_BIQUAD_STAGE - 1}, /* numstage */
1295	{SRC3_DIRECTION_OFFSET + 20, 0}, /* filtertap */
1296	{SRC3_DIRECTION_OFFSET + 21, 0} /* booster */
1297};
1298
1299
1300/* the mode passed should be already shifted and masked */
1301static void
1302snd_m3_playback_setup(struct snd_m3 *chip, struct m3_dma *s,
1303		      struct snd_pcm_substream *subs)
1304{
1305	unsigned int i;
1306
1307	/*
1308	 * some per client initializers
1309	 */
1310
1311	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1312			  s->inst.data + SRC3_DIRECTION_OFFSET + 12,
1313			  s->inst.data + 40 + 8);
1314
1315	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1316			  s->inst.data + SRC3_DIRECTION_OFFSET + 19,
1317			  s->inst.code + MINISRC_COEF_LOC);
1318
1319	/* enable or disable low pass filter? */
1320	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1321			  s->inst.data + SRC3_DIRECTION_OFFSET + 22,
1322			  subs->runtime->rate > 45000 ? 0xff : 0);
1323    
1324	/* tell it which way dma is going? */
1325	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1326			  s->inst.data + CDATA_DMA_CONTROL,
1327			  DMACONTROL_AUTOREPEAT + DMAC_PAGE3_SELECTOR + DMAC_BLOCKF_SELECTOR);
1328
1329	/*
1330	 * set an armload of static initializers
1331	 */
1332	for (i = 0; i < ARRAY_SIZE(pv); i++) 
1333		snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1334				  s->inst.data + pv[i].addr, pv[i].val);
1335}
1336
1337/*
1338 *    Native record driver 
1339 */
1340static const struct rec_vals {
1341	u16 addr, val;
1342} rv[] = {
1343	{CDATA_LEFT_VOLUME, ARB_VOLUME},
1344	{CDATA_RIGHT_VOLUME, ARB_VOLUME},
1345	{SRC3_DIRECTION_OFFSET, 1} ,
1346	/* +1, +2 are stereo/16 bit */
1347	{SRC3_DIRECTION_OFFSET + 3, 0x0000}, /* fraction? */
1348	{SRC3_DIRECTION_OFFSET + 4, 0}, /* first l */
1349	{SRC3_DIRECTION_OFFSET + 5, 0}, /* first r */
1350	{SRC3_DIRECTION_OFFSET + 6, 0}, /* second l */
1351	{SRC3_DIRECTION_OFFSET + 7, 0}, /* second r */
1352	{SRC3_DIRECTION_OFFSET + 8, 0}, /* delta l */
1353	{SRC3_DIRECTION_OFFSET + 9, 0}, /* delta r */
1354	{SRC3_DIRECTION_OFFSET + 10, 0x8000}, /* round */
1355	{SRC3_DIRECTION_OFFSET + 11, 0xFF00}, /* higher bute mark */
1356	{SRC3_DIRECTION_OFFSET + 13, 0}, /* temp0 */
1357	{SRC3_DIRECTION_OFFSET + 14, 0}, /* c fraction */
1358	{SRC3_DIRECTION_OFFSET + 15, 0}, /* counter */
1359	{SRC3_DIRECTION_OFFSET + 16, 50},/* numin */
1360	{SRC3_DIRECTION_OFFSET + 17, 8}, /* numout */
1361	{SRC3_DIRECTION_OFFSET + 18, 0}, /* numstage */
1362	{SRC3_DIRECTION_OFFSET + 19, 0}, /* coef */
1363	{SRC3_DIRECTION_OFFSET + 20, 0}, /* filtertap */
1364	{SRC3_DIRECTION_OFFSET + 21, 0}, /* booster */
1365	{SRC3_DIRECTION_OFFSET + 22, 0xff} /* skip lpf */
1366};
1367
1368static void
1369snd_m3_capture_setup(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1370{
1371	unsigned int i;
1372
1373	/*
1374	 * some per client initializers
1375	 */
1376
1377	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1378			  s->inst.data + SRC3_DIRECTION_OFFSET + 12,
1379			  s->inst.data + 40 + 8);
1380
1381	/* tell it which way dma is going? */
1382	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1383			  s->inst.data + CDATA_DMA_CONTROL,
1384			  DMACONTROL_DIRECTION + DMACONTROL_AUTOREPEAT + 
1385			  DMAC_PAGE3_SELECTOR + DMAC_BLOCKF_SELECTOR);
1386
1387	/*
1388	 * set an armload of static initializers
1389	 */
1390	for (i = 0; i < ARRAY_SIZE(rv); i++) 
1391		snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1392				  s->inst.data + rv[i].addr, rv[i].val);
1393}
1394
1395static int snd_m3_pcm_hw_params(struct snd_pcm_substream *substream,
1396				struct snd_pcm_hw_params *hw_params)
1397{
1398	struct m3_dma *s = substream->runtime->private_data;
1399	int err;
1400
1401	if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
1402		return err;
1403	/* set buffer address */
1404	s->buffer_addr = substream->runtime->dma_addr;
1405	if (s->buffer_addr & 0x3) {
1406		dev_err(substream->pcm->card->dev, "oh my, not aligned\n");
1407		s->buffer_addr = s->buffer_addr & ~0x3;
1408	}
1409	return 0;
1410}
1411
1412static int snd_m3_pcm_hw_free(struct snd_pcm_substream *substream)
1413{
1414	struct m3_dma *s;
1415	
1416	if (substream->runtime->private_data == NULL)
1417		return 0;
1418	s = substream->runtime->private_data;
1419	snd_pcm_lib_free_pages(substream);
1420	s->buffer_addr = 0;
1421	return 0;
1422}
1423
1424static int
1425snd_m3_pcm_prepare(struct snd_pcm_substream *subs)
1426{
1427	struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1428	struct snd_pcm_runtime *runtime = subs->runtime;
1429	struct m3_dma *s = runtime->private_data;
1430
1431	if (snd_BUG_ON(!s))
1432		return -ENXIO;
1433
1434	if (runtime->format != SNDRV_PCM_FORMAT_U8 &&
1435	    runtime->format != SNDRV_PCM_FORMAT_S16_LE)
1436		return -EINVAL;
1437	if (runtime->rate > 48000 ||
1438	    runtime->rate < 8000)
1439		return -EINVAL;
1440
1441	spin_lock_irq(&chip->reg_lock);
1442
1443	snd_m3_pcm_setup1(chip, s, subs);
1444
1445	if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK)
1446		snd_m3_playback_setup(chip, s, subs);
1447	else
1448		snd_m3_capture_setup(chip, s, subs);
1449
1450	snd_m3_pcm_setup2(chip, s, runtime);
1451
1452	spin_unlock_irq(&chip->reg_lock);
1453
1454	return 0;
1455}
1456
1457/*
1458 * get current pointer
1459 */
1460static unsigned int
1461snd_m3_get_pointer(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1462{
1463	u16 hi = 0, lo = 0;
1464	int retry = 10;
1465	u32 addr;
1466
1467	/*
1468	 * try and get a valid answer
1469	 */
1470	while (retry--) {
1471		hi =  snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1472				       s->inst.data + CDATA_HOST_SRC_CURRENTH);
1473
1474		lo = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1475				      s->inst.data + CDATA_HOST_SRC_CURRENTL);
1476
1477		if (hi == snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1478					   s->inst.data + CDATA_HOST_SRC_CURRENTH))
1479			break;
1480	}
1481	addr = lo | ((u32)hi<<16);
1482	return (unsigned int)(addr - s->buffer_addr);
1483}
1484
1485static snd_pcm_uframes_t
1486snd_m3_pcm_pointer(struct snd_pcm_substream *subs)
1487{
1488	struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1489	unsigned int ptr;
1490	struct m3_dma *s = subs->runtime->private_data;
1491
1492	if (snd_BUG_ON(!s))
1493		return 0;
1494
1495	spin_lock(&chip->reg_lock);
1496	ptr = snd_m3_get_pointer(chip, s, subs);
1497	spin_unlock(&chip->reg_lock);
1498	return bytes_to_frames(subs->runtime, ptr);
1499}
1500
1501
1502/* update pointer */
1503/* spinlock held! */
1504static void snd_m3_update_ptr(struct snd_m3 *chip, struct m3_dma *s)
1505{
1506	struct snd_pcm_substream *subs = s->substream;
1507	unsigned int hwptr;
1508	int diff;
1509
1510	if (! s->running)
1511		return;
1512
1513	hwptr = snd_m3_get_pointer(chip, s, subs);
1514
1515	/* try to avoid expensive modulo divisions */
1516	if (hwptr >= s->dma_size)
1517		hwptr %= s->dma_size;
1518
1519	diff = s->dma_size + hwptr - s->hwptr;
1520	if (diff >= s->dma_size)
1521		diff %= s->dma_size;
1522
1523	s->hwptr = hwptr;
1524	s->count += diff;
1525
1526	if (s->count >= (signed)s->period_size) {
1527
1528		if (s->count < 2 * (signed)s->period_size)
1529			s->count -= (signed)s->period_size;
1530		else
1531			s->count %= s->period_size;
1532
1533		spin_unlock(&chip->reg_lock);
1534		snd_pcm_period_elapsed(subs);
1535		spin_lock(&chip->reg_lock);
1536	}
1537}
1538
1539/* The m3's hardware volume works by incrementing / decrementing 2 counters
1540   (without wrap around) in response to volume button presses and then
1541   generating an interrupt. The pair of counters is stored in bits 1-3 and 5-7
1542   of a byte wide register. The meaning of bits 0 and 4 is unknown. */
1543static void snd_m3_update_hw_volume(struct work_struct *work)
1544{
1545	struct snd_m3 *chip = container_of(work, struct snd_m3, hwvol_work);
1546	int x, val;
1547
1548	/* Figure out which volume control button was pushed,
1549	   based on differences from the default register
1550	   values. */
1551	x = inb(chip->iobase + SHADOW_MIX_REG_VOICE) & 0xee;
1552
1553	/* Reset the volume counters to 4. Tests on the allegro integrated
1554	   into a Compaq N600C laptop, have revealed that:
1555	   1) Writing any value will result in the 2 counters being reset to
1556	      4 so writing 0x88 is not strictly necessary
1557	   2) Writing to any of the 4 involved registers will reset all 4
1558	      of them (and reading them always returns the same value for all
1559	      of them)
1560	   It could be that a maestro deviates from this, so leave the code
1561	   as is. */
1562	outb(0x88, chip->iobase + SHADOW_MIX_REG_VOICE);
1563	outb(0x88, chip->iobase + HW_VOL_COUNTER_VOICE);
1564	outb(0x88, chip->iobase + SHADOW_MIX_REG_MASTER);
1565	outb(0x88, chip->iobase + HW_VOL_COUNTER_MASTER);
1566
1567	/* Ignore spurious HV interrupts during suspend / resume, this avoids
1568	   mistaking them for a mute button press. */
1569	if (chip->in_suspend)
1570		return;
1571
1572#ifndef CONFIG_SND_MAESTRO3_INPUT
1573	if (!chip->master_switch || !chip->master_volume)
1574		return;
1575
1576	val = snd_ac97_read(chip->ac97, AC97_MASTER);
1577	switch (x) {
1578	case 0x88:
1579		/* The counters have not changed, yet we've received a HV
1580		   interrupt. According to tests run by various people this
1581		   happens when pressing the mute button. */
1582		val ^= 0x8000;
1583		break;
1584	case 0xaa:
1585		/* counters increased by 1 -> volume up */
1586		if ((val & 0x7f) > 0)
1587			val--;
1588		if ((val & 0x7f00) > 0)
1589			val -= 0x0100;
1590		break;
1591	case 0x66:
1592		/* counters decreased by 1 -> volume down */
1593		if ((val & 0x7f) < 0x1f)
1594			val++;
1595		if ((val & 0x7f00) < 0x1f00)
1596			val += 0x0100;
1597		break;
1598	}
1599	if (snd_ac97_update(chip->ac97, AC97_MASTER, val))
1600		snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1601			       &chip->master_switch->id);
1602#else
1603	if (!chip->input_dev)
1604		return;
1605
1606	val = 0;
1607	switch (x) {
1608	case 0x88:
1609		/* The counters have not changed, yet we've received a HV
1610		   interrupt. According to tests run by various people this
1611		   happens when pressing the mute button. */
1612		val = KEY_MUTE;
1613		break;
1614	case 0xaa:
1615		/* counters increased by 1 -> volume up */
1616		val = KEY_VOLUMEUP;
1617		break;
1618	case 0x66:
1619		/* counters decreased by 1 -> volume down */
1620		val = KEY_VOLUMEDOWN;
1621		break;
1622	}
1623
1624	if (val) {
1625		input_report_key(chip->input_dev, val, 1);
1626		input_sync(chip->input_dev);
1627		input_report_key(chip->input_dev, val, 0);
1628		input_sync(chip->input_dev);
1629	}
1630#endif
1631}
1632
1633static irqreturn_t snd_m3_interrupt(int irq, void *dev_id)
1634{
1635	struct snd_m3 *chip = dev_id;
1636	u8 status;
1637	int i;
1638
1639	status = inb(chip->iobase + HOST_INT_STATUS);
1640
1641	if (status == 0xff)
1642		return IRQ_NONE;
1643
1644	if (status & HV_INT_PENDING)
1645		schedule_work(&chip->hwvol_work);
1646
1647	/*
1648	 * ack an assp int if its running
1649	 * and has an int pending
1650	 */
1651	if (status & ASSP_INT_PENDING) {
1652		u8 ctl = inb(chip->iobase + ASSP_CONTROL_B);
1653		if (!(ctl & STOP_ASSP_CLOCK)) {
1654			ctl = inb(chip->iobase + ASSP_HOST_INT_STATUS);
1655			if (ctl & DSP2HOST_REQ_TIMER) {
1656				outb(DSP2HOST_REQ_TIMER, chip->iobase + ASSP_HOST_INT_STATUS);
1657				/* update adc/dac info if it was a timer int */
1658				spin_lock(&chip->reg_lock);
1659				for (i = 0; i < chip->num_substreams; i++) {
1660					struct m3_dma *s = &chip->substreams[i];
1661					if (s->running)
1662						snd_m3_update_ptr(chip, s);
1663				}
1664				spin_unlock(&chip->reg_lock);
1665			}
1666		}
1667	}
1668
1669#if 0 /* TODO: not supported yet */
1670	if ((status & MPU401_INT_PENDING) && chip->rmidi)
1671		snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs);
1672#endif
1673
1674	/* ack ints */
1675	outb(status, chip->iobase + HOST_INT_STATUS);
1676
1677	return IRQ_HANDLED;
1678}
1679
1680
1681/*
1682 */
1683
1684static struct snd_pcm_hardware snd_m3_playback =
1685{
1686	.info =			(SNDRV_PCM_INFO_MMAP |
1687				 SNDRV_PCM_INFO_INTERLEAVED |
1688				 SNDRV_PCM_INFO_MMAP_VALID |
1689				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1690				 /*SNDRV_PCM_INFO_PAUSE |*/
1691				 SNDRV_PCM_INFO_RESUME),
1692	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1693	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1694	.rate_min =		8000,
1695	.rate_max =		48000,
1696	.channels_min =		1,
1697	.channels_max =		2,
1698	.buffer_bytes_max =	(512*1024),
1699	.period_bytes_min =	64,
1700	.period_bytes_max =	(512*1024),
1701	.periods_min =		1,
1702	.periods_max =		1024,
1703};
1704
1705static struct snd_pcm_hardware snd_m3_capture =
1706{
1707	.info =			(SNDRV_PCM_INFO_MMAP |
1708				 SNDRV_PCM_INFO_INTERLEAVED |
1709				 SNDRV_PCM_INFO_MMAP_VALID |
1710				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1711				 /*SNDRV_PCM_INFO_PAUSE |*/
1712				 SNDRV_PCM_INFO_RESUME),
1713	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1714	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1715	.rate_min =		8000,
1716	.rate_max =		48000,
1717	.channels_min =		1,
1718	.channels_max =		2,
1719	.buffer_bytes_max =	(512*1024),
1720	.period_bytes_min =	64,
1721	.period_bytes_max =	(512*1024),
1722	.periods_min =		1,
1723	.periods_max =		1024,
1724};
1725
1726
1727/*
1728 */
1729
1730static int
1731snd_m3_substream_open(struct snd_m3 *chip, struct snd_pcm_substream *subs)
1732{
1733	int i;
1734	struct m3_dma *s;
1735
1736	spin_lock_irq(&chip->reg_lock);
1737	for (i = 0; i < chip->num_substreams; i++) {
1738		s = &chip->substreams[i];
1739		if (! s->opened)
1740			goto __found;
1741	}
1742	spin_unlock_irq(&chip->reg_lock);
1743	return -ENOMEM;
1744__found:
1745	s->opened = 1;
1746	s->running = 0;
1747	spin_unlock_irq(&chip->reg_lock);
1748
1749	subs->runtime->private_data = s;
1750	s->substream = subs;
1751
1752	/* set list owners */
1753	if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1754		s->index_list[0] = &chip->mixer_list;
1755	} else
1756		s->index_list[0] = &chip->adc1_list;
1757	s->index_list[1] = &chip->msrc_list;
1758	s->index_list[2] = &chip->dma_list;
1759
1760	return 0;
1761}
1762
1763static void
1764snd_m3_substream_close(struct snd_m3 *chip, struct snd_pcm_substream *subs)
1765{
1766	struct m3_dma *s = subs->runtime->private_data;
1767
1768	if (s == NULL)
1769		return; /* not opened properly */
1770
1771	spin_lock_irq(&chip->reg_lock);
1772	if (s->substream && s->running)
1773		snd_m3_pcm_stop(chip, s, s->substream); /* does this happen? */
1774	if (s->in_lists) {
1775		snd_m3_remove_list(chip, s->index_list[0], s->index[0]);
1776		snd_m3_remove_list(chip, s->index_list[1], s->index[1]);
1777		snd_m3_remove_list(chip, s->index_list[2], s->index[2]);
1778		s->in_lists = 0;
1779	}
1780	s->running = 0;
1781	s->opened = 0;
1782	spin_unlock_irq(&chip->reg_lock);
1783}
1784
1785static int
1786snd_m3_playback_open(struct snd_pcm_substream *subs)
1787{
1788	struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1789	struct snd_pcm_runtime *runtime = subs->runtime;
1790	int err;
1791
1792	if ((err = snd_m3_substream_open(chip, subs)) < 0)
1793		return err;
1794
1795	runtime->hw = snd_m3_playback;
1796
1797	return 0;
1798}
1799
1800static int
1801snd_m3_playback_close(struct snd_pcm_substream *subs)
1802{
1803	struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1804
1805	snd_m3_substream_close(chip, subs);
1806	return 0;
1807}
1808
1809static int
1810snd_m3_capture_open(struct snd_pcm_substream *subs)
1811{
1812	struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1813	struct snd_pcm_runtime *runtime = subs->runtime;
1814	int err;
1815
1816	if ((err = snd_m3_substream_open(chip, subs)) < 0)
1817		return err;
1818
1819	runtime->hw = snd_m3_capture;
1820
1821	return 0;
1822}
1823
1824static int
1825snd_m3_capture_close(struct snd_pcm_substream *subs)
1826{
1827	struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1828
1829	snd_m3_substream_close(chip, subs);
1830	return 0;
1831}
1832
1833/*
1834 * create pcm instance
1835 */
1836
1837static struct snd_pcm_ops snd_m3_playback_ops = {
1838	.open =		snd_m3_playback_open,
1839	.close =	snd_m3_playback_close,
1840	.ioctl =	snd_pcm_lib_ioctl,
1841	.hw_params =	snd_m3_pcm_hw_params,
1842	.hw_free =	snd_m3_pcm_hw_free,
1843	.prepare =	snd_m3_pcm_prepare,
1844	.trigger =	snd_m3_pcm_trigger,
1845	.pointer =	snd_m3_pcm_pointer,
1846};
1847
1848static struct snd_pcm_ops snd_m3_capture_ops = {
1849	.open =		snd_m3_capture_open,
1850	.close =	snd_m3_capture_close,
1851	.ioctl =	snd_pcm_lib_ioctl,
1852	.hw_params =	snd_m3_pcm_hw_params,
1853	.hw_free =	snd_m3_pcm_hw_free,
1854	.prepare =	snd_m3_pcm_prepare,
1855	.trigger =	snd_m3_pcm_trigger,
1856	.pointer =	snd_m3_pcm_pointer,
1857};
1858
1859static int
1860snd_m3_pcm(struct snd_m3 * chip, int device)
1861{
1862	struct snd_pcm *pcm;
1863	int err;
1864
1865	err = snd_pcm_new(chip->card, chip->card->driver, device,
1866			  MAX_PLAYBACKS, MAX_CAPTURES, &pcm);
1867	if (err < 0)
1868		return err;
1869
1870	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_m3_playback_ops);
1871	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_m3_capture_ops);
1872
1873	pcm->private_data = chip;
1874	pcm->info_flags = 0;
1875	strcpy(pcm->name, chip->card->driver);
1876	chip->pcm = pcm;
1877	
1878	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1879					      snd_dma_pci_data(chip->pci), 64*1024, 64*1024);
1880
1881	return 0;
1882}
1883
1884
1885/*
1886 * ac97 interface
1887 */
1888
1889/*
1890 * Wait for the ac97 serial bus to be free.
1891 * return nonzero if the bus is still busy.
1892 */
1893static int snd_m3_ac97_wait(struct snd_m3 *chip)
1894{
1895	int i = 10000;
1896
1897	do {
1898		if (! (snd_m3_inb(chip, 0x30) & 1))
1899			return 0;
1900		cpu_relax();
1901	} while (i-- > 0);
1902
1903	dev_err(chip->card->dev, "ac97 serial bus busy\n");
1904	return 1;
1905}
1906
1907static unsigned short
1908snd_m3_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
1909{
1910	struct snd_m3 *chip = ac97->private_data;
1911	unsigned short data = 0xffff;
1912
1913	if (snd_m3_ac97_wait(chip))
1914		goto fail;
1915	snd_m3_outb(chip, 0x80 | (reg & 0x7f), CODEC_COMMAND);
1916	if (snd_m3_ac97_wait(chip))
1917		goto fail;
1918	data = snd_m3_inw(chip, CODEC_DATA);
1919fail:
1920	return data;
1921}
1922
1923static void
1924snd_m3_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val)
1925{
1926	struct snd_m3 *chip = ac97->private_data;
1927
1928	if (snd_m3_ac97_wait(chip))
1929		return;
1930	snd_m3_outw(chip, val, CODEC_DATA);
1931	snd_m3_outb(chip, reg & 0x7f, CODEC_COMMAND);
 
 
 
 
 
 
 
 
 
 
1932}
1933
1934
1935static void snd_m3_remote_codec_config(int io, int isremote)
1936{
 
 
 
1937	isremote = isremote ? 1 : 0;
1938
1939	outw((inw(io + RING_BUS_CTRL_B) & ~SECOND_CODEC_ID_MASK) | isremote,
1940	     io + RING_BUS_CTRL_B);
 
 
 
 
1941	outw((inw(io + SDO_OUT_DEST_CTRL) & ~COMMAND_ADDR_OUT) | isremote,
1942	     io + SDO_OUT_DEST_CTRL);
1943	outw((inw(io + SDO_IN_DEST_CTRL) & ~STATUS_ADDR_IN) | isremote,
1944	     io + SDO_IN_DEST_CTRL);
1945}
1946
1947/* 
1948 * hack, returns non zero on err 
1949 */
1950static int snd_m3_try_read_vendor(struct snd_m3 *chip)
1951{
1952	u16 ret;
1953
1954	if (snd_m3_ac97_wait(chip))
1955		return 1;
1956
1957	snd_m3_outb(chip, 0x80 | (AC97_VENDOR_ID1 & 0x7f), 0x30);
1958
1959	if (snd_m3_ac97_wait(chip))
1960		return 1;
1961
1962	ret = snd_m3_inw(chip, 0x32);
1963
1964	return (ret == 0) || (ret == 0xffff);
1965}
1966
1967static void snd_m3_ac97_reset(struct snd_m3 *chip)
1968{
1969	u16 dir;
1970	int delay1 = 0, delay2 = 0, i;
1971	int io = chip->iobase;
1972
1973	if (chip->allegro_flag) {
1974		/*
1975		 * the onboard codec on the allegro seems 
1976		 * to want to wait a very long time before
1977		 * coming back to life 
1978		 */
1979		delay1 = 50;
1980		delay2 = 800;
1981	} else {
1982		/* maestro3 */
1983		delay1 = 20;
1984		delay2 = 500;
1985	}
1986
1987	for (i = 0; i < 5; i++) {
1988		dir = inw(io + GPIO_DIRECTION);
1989		if (!chip->irda_workaround)
1990			dir |= 0x10; /* assuming pci bus master? */
1991
1992		snd_m3_remote_codec_config(io, 0);
1993
1994		outw(IO_SRAM_ENABLE, io + RING_BUS_CTRL_A);
1995		udelay(20);
1996
1997		outw(dir & ~GPO_PRIMARY_AC97 , io + GPIO_DIRECTION);
1998		outw(~GPO_PRIMARY_AC97 , io + GPIO_MASK);
1999		outw(0, io + GPIO_DATA);
2000		outw(dir | GPO_PRIMARY_AC97, io + GPIO_DIRECTION);
2001
2002		schedule_timeout_uninterruptible(msecs_to_jiffies(delay1));
2003
2004		outw(GPO_PRIMARY_AC97, io + GPIO_DATA);
2005		udelay(5);
2006		/* ok, bring back the ac-link */
2007		outw(IO_SRAM_ENABLE | SERIAL_AC_LINK_ENABLE, io + RING_BUS_CTRL_A);
2008		outw(~0, io + GPIO_MASK);
2009
2010		schedule_timeout_uninterruptible(msecs_to_jiffies(delay2));
2011
2012		if (! snd_m3_try_read_vendor(chip))
2013			break;
2014
2015		delay1 += 10;
2016		delay2 += 100;
2017
2018		dev_dbg(chip->card->dev,
2019			"retrying codec reset with delays of %d and %d ms\n",
2020			   delay1, delay2);
2021	}
2022
2023#if 0
2024	/* more gung-ho reset that doesn't
2025	 * seem to work anywhere :)
2026	 */
2027	tmp = inw(io + RING_BUS_CTRL_A);
2028	outw(RAC_SDFS_ENABLE|LAC_SDFS_ENABLE, io + RING_BUS_CTRL_A);
2029	msleep(20);
2030	outw(tmp, io + RING_BUS_CTRL_A);
2031	msleep(50);
2032#endif
2033}
2034
2035static int snd_m3_mixer(struct snd_m3 *chip)
2036{
2037	struct snd_ac97_bus *pbus;
2038	struct snd_ac97_template ac97;
2039#ifndef CONFIG_SND_MAESTRO3_INPUT
2040	struct snd_ctl_elem_id elem_id;
2041#endif
2042	int err;
2043	static struct snd_ac97_bus_ops ops = {
2044		.write = snd_m3_ac97_write,
2045		.read = snd_m3_ac97_read,
2046	};
2047
2048	if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0)
2049		return err;
2050	
2051	memset(&ac97, 0, sizeof(ac97));
2052	ac97.private_data = chip;
2053	if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2054		return err;
2055
2056	/* seems ac97 PCM needs initialization.. hack hack.. */
2057	snd_ac97_write(chip->ac97, AC97_PCM, 0x8000 | (15 << 8) | 15);
2058	schedule_timeout_uninterruptible(msecs_to_jiffies(100));
2059	snd_ac97_write(chip->ac97, AC97_PCM, 0);
2060
2061#ifndef CONFIG_SND_MAESTRO3_INPUT
2062	memset(&elem_id, 0, sizeof(elem_id));
2063	elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2064	strcpy(elem_id.name, "Master Playback Switch");
2065	chip->master_switch = snd_ctl_find_id(chip->card, &elem_id);
2066	memset(&elem_id, 0, sizeof(elem_id));
2067	elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2068	strcpy(elem_id.name, "Master Playback Volume");
2069	chip->master_volume = snd_ctl_find_id(chip->card, &elem_id);
2070#endif
2071
2072	return 0;
2073}
2074
2075
2076/*
2077 * initialize ASSP
2078 */
2079
2080#define MINISRC_LPF_LEN 10
2081static const u16 minisrc_lpf[MINISRC_LPF_LEN] = {
2082	0X0743, 0X1104, 0X0A4C, 0XF88D, 0X242C,
2083	0X1023, 0X1AA9, 0X0B60, 0XEFDD, 0X186F
2084};
2085
2086static void snd_m3_assp_init(struct snd_m3 *chip)
2087{
2088	unsigned int i;
2089	const u16 *data;
2090
2091	/* zero kernel data */
2092	for (i = 0; i < (REV_B_DATA_MEMORY_UNIT_LENGTH * NUM_UNITS_KERNEL_DATA) / 2; i++)
2093		snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, 
2094				  KDATA_BASE_ADDR + i, 0);
2095
2096	/* zero mixer data? */
2097	for (i = 0; i < (REV_B_DATA_MEMORY_UNIT_LENGTH * NUM_UNITS_KERNEL_DATA) / 2; i++)
2098		snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2099				  KDATA_BASE_ADDR2 + i, 0);
2100
2101	/* init dma pointer */
2102	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2103			  KDATA_CURRENT_DMA,
2104			  KDATA_DMA_XFER0);
2105
2106	/* write kernel into code memory.. */
2107	data = (const u16 *)chip->assp_kernel_image->data;
2108	for (i = 0 ; i * 2 < chip->assp_kernel_image->size; i++) {
2109		snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, 
2110				  REV_B_CODE_MEMORY_BEGIN + i,
2111				  le16_to_cpu(data[i]));
2112	}
2113
2114	/*
2115	 * We only have this one client and we know that 0x400
2116	 * is free in our kernel's mem map, so lets just
2117	 * drop it there.  It seems that the minisrc doesn't
2118	 * need vectors, so we won't bother with them..
2119	 */
2120	data = (const u16 *)chip->assp_minisrc_image->data;
2121	for (i = 0; i * 2 < chip->assp_minisrc_image->size; i++) {
2122		snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, 
2123				  0x400 + i, le16_to_cpu(data[i]));
2124	}
2125
2126	/*
2127	 * write the coefficients for the low pass filter?
2128	 */
2129	for (i = 0; i < MINISRC_LPF_LEN ; i++) {
2130		snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2131				  0x400 + MINISRC_COEF_LOC + i,
2132				  minisrc_lpf[i]);
2133	}
2134
2135	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2136			  0x400 + MINISRC_COEF_LOC + MINISRC_LPF_LEN,
2137			  0x8000);
2138
2139	/*
2140	 * the minisrc is the only thing on
2141	 * our task list..
2142	 */
2143	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, 
2144			  KDATA_TASK0,
2145			  0x400);
2146
2147	/*
2148	 * init the mixer number..
2149	 */
2150
2151	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2152			  KDATA_MIXER_TASK_NUMBER,0);
2153
2154	/*
2155	 * EXTREME KERNEL MASTER VOLUME
2156	 */
2157	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2158			  KDATA_DAC_LEFT_VOLUME, ARB_VOLUME);
2159	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2160			  KDATA_DAC_RIGHT_VOLUME, ARB_VOLUME);
2161
2162	chip->mixer_list.curlen = 0;
2163	chip->mixer_list.mem_addr = KDATA_MIXER_XFER0;
2164	chip->mixer_list.max = MAX_VIRTUAL_MIXER_CHANNELS;
2165	chip->adc1_list.curlen = 0;
2166	chip->adc1_list.mem_addr = KDATA_ADC1_XFER0;
2167	chip->adc1_list.max = MAX_VIRTUAL_ADC1_CHANNELS;
2168	chip->dma_list.curlen = 0;
2169	chip->dma_list.mem_addr = KDATA_DMA_XFER0;
2170	chip->dma_list.max = MAX_VIRTUAL_DMA_CHANNELS;
2171	chip->msrc_list.curlen = 0;
2172	chip->msrc_list.mem_addr = KDATA_INSTANCE0_MINISRC;
2173	chip->msrc_list.max = MAX_INSTANCE_MINISRC;
2174}
2175
2176
2177static int snd_m3_assp_client_init(struct snd_m3 *chip, struct m3_dma *s, int index)
2178{
2179	int data_bytes = 2 * ( MINISRC_TMP_BUFFER_SIZE / 2 + 
2180			       MINISRC_IN_BUFFER_SIZE / 2 +
2181			       1 + MINISRC_OUT_BUFFER_SIZE / 2 + 1 );
2182	int address, i;
2183
2184	/*
2185	 * the revb memory map has 0x1100 through 0x1c00
2186	 * free.  
2187	 */
2188
2189	/*
2190	 * align instance address to 256 bytes so that its
2191	 * shifted list address is aligned.
2192	 * list address = (mem address >> 1) >> 7;
2193	 */
2194	data_bytes = ALIGN(data_bytes, 256);
2195	address = 0x1100 + ((data_bytes/2) * index);
2196
2197	if ((address + (data_bytes/2)) >= 0x1c00) {
2198		dev_err(chip->card->dev,
2199			"no memory for %d bytes at ind %d (addr 0x%x)\n",
2200			   data_bytes, index, address);
2201		return -ENOMEM;
2202	}
2203
2204	s->number = index;
2205	s->inst.code = 0x400;
2206	s->inst.data = address;
2207
2208	for (i = data_bytes / 2; i > 0; address++, i--) {
2209		snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2210				  address, 0);
2211	}
2212
2213	return 0;
2214}
2215
2216
2217/* 
2218 * this works for the reference board, have to find
2219 * out about others
2220 *
2221 * this needs more magic for 4 speaker, but..
2222 */
2223static void
2224snd_m3_amp_enable(struct snd_m3 *chip, int enable)
2225{
2226	int io = chip->iobase;
2227	u16 gpo, polarity;
2228
2229	if (! chip->external_amp)
2230		return;
2231
2232	polarity = enable ? 0 : 1;
2233	polarity = polarity << chip->amp_gpio;
2234	gpo = 1 << chip->amp_gpio;
2235
2236	outw(~gpo, io + GPIO_MASK);
2237
2238	outw(inw(io + GPIO_DIRECTION) | gpo,
2239	     io + GPIO_DIRECTION);
2240
2241	outw((GPO_SECONDARY_AC97 | GPO_PRIMARY_AC97 | polarity),
2242	     io + GPIO_DATA);
2243
2244	outw(0xffff, io + GPIO_MASK);
2245}
2246
2247static void
2248snd_m3_hv_init(struct snd_m3 *chip)
2249{
2250	unsigned long io = chip->iobase;
2251	u16 val = GPI_VOL_DOWN | GPI_VOL_UP;
2252
2253	if (!chip->is_omnibook)
2254		return;
2255
2256	/*
2257	 * Volume buttons on some HP OmniBook laptops
2258	 * require some GPIO magic to work correctly.
2259	 */
2260	outw(0xffff, io + GPIO_MASK);
2261	outw(0x0000, io + GPIO_DATA);
2262
2263	outw(~val, io + GPIO_MASK);
2264	outw(inw(io + GPIO_DIRECTION) & ~val, io + GPIO_DIRECTION);
2265	outw(val, io + GPIO_MASK);
2266
2267	outw(0xffff, io + GPIO_MASK);
2268}
2269
2270static int
2271snd_m3_chip_init(struct snd_m3 *chip)
2272{
2273	struct pci_dev *pcidev = chip->pci;
2274	unsigned long io = chip->iobase;
2275	u32 n;
2276	u16 w;
2277	u8 t; /* makes as much sense as 'n', no? */
2278
2279	pci_read_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, &w);
2280	w &= ~(SOUND_BLASTER_ENABLE|FM_SYNTHESIS_ENABLE|
2281	       MPU401_IO_ENABLE|MPU401_IRQ_ENABLE|ALIAS_10BIT_IO|
2282	       DISABLE_LEGACY);
2283	pci_write_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, w);
2284
2285	pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n);
2286	n &= ~(HV_CTRL_ENABLE | REDUCED_DEBOUNCE | HV_BUTTON_FROM_GD);
2287	n |= chip->hv_config;
2288	/* For some reason we must always use reduced debounce. */
2289	n |= REDUCED_DEBOUNCE;
2290	n |= PM_CTRL_ENABLE | CLK_DIV_BY_49 | USE_PCI_TIMING;
2291	pci_write_config_dword(pcidev, PCI_ALLEGRO_CONFIG, n);
2292
2293	outb(RESET_ASSP, chip->iobase + ASSP_CONTROL_B);
2294	pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n);
2295	n &= ~INT_CLK_SELECT;
2296	if (!chip->allegro_flag) {
2297		n &= ~INT_CLK_MULT_ENABLE; 
2298		n |= INT_CLK_SRC_NOT_PCI;
2299	}
2300	n &=  ~( CLK_MULT_MODE_SELECT | CLK_MULT_MODE_SELECT_2 );
2301	pci_write_config_dword(pcidev, PCI_ALLEGRO_CONFIG, n);
2302
2303	if (chip->allegro_flag) {
2304		pci_read_config_dword(pcidev, PCI_USER_CONFIG, &n);
2305		n |= IN_CLK_12MHZ_SELECT;
2306		pci_write_config_dword(pcidev, PCI_USER_CONFIG, n);
2307	}
2308
2309	t = inb(chip->iobase + ASSP_CONTROL_A);
2310	t &= ~( DSP_CLK_36MHZ_SELECT  | ASSP_CLK_49MHZ_SELECT);
2311	t |= ASSP_CLK_49MHZ_SELECT;
2312	t |= ASSP_0_WS_ENABLE; 
2313	outb(t, chip->iobase + ASSP_CONTROL_A);
2314
2315	snd_m3_assp_init(chip); /* download DSP code before starting ASSP below */
2316	outb(RUN_ASSP, chip->iobase + ASSP_CONTROL_B); 
2317
2318	outb(0x00, io + HARDWARE_VOL_CTRL);
2319	outb(0x88, io + SHADOW_MIX_REG_VOICE);
2320	outb(0x88, io + HW_VOL_COUNTER_VOICE);
2321	outb(0x88, io + SHADOW_MIX_REG_MASTER);
2322	outb(0x88, io + HW_VOL_COUNTER_MASTER);
2323
2324	return 0;
2325} 
2326
2327static void
2328snd_m3_enable_ints(struct snd_m3 *chip)
2329{
2330	unsigned long io = chip->iobase;
2331	unsigned short val;
2332
2333	/* TODO: MPU401 not supported yet */
2334	val = ASSP_INT_ENABLE /*| MPU401_INT_ENABLE*/;
2335	if (chip->hv_config & HV_CTRL_ENABLE)
2336		val |= HV_INT_ENABLE;
2337	outb(val, chip->iobase + HOST_INT_STATUS);
2338	outw(val, io + HOST_INT_CTRL);
2339	outb(inb(io + ASSP_CONTROL_C) | ASSP_HOST_INT_ENABLE,
2340	     io + ASSP_CONTROL_C);
2341}
2342
2343
2344/*
2345 */
2346
2347static int snd_m3_free(struct snd_m3 *chip)
2348{
2349	struct m3_dma *s;
2350	int i;
2351
2352	cancel_work_sync(&chip->hwvol_work);
2353#ifdef CONFIG_SND_MAESTRO3_INPUT
2354	if (chip->input_dev)
2355		input_unregister_device(chip->input_dev);
2356#endif
2357
2358	if (chip->substreams) {
2359		spin_lock_irq(&chip->reg_lock);
2360		for (i = 0; i < chip->num_substreams; i++) {
2361			s = &chip->substreams[i];
2362			/* check surviving pcms; this should not happen though.. */
2363			if (s->substream && s->running)
2364				snd_m3_pcm_stop(chip, s, s->substream);
2365		}
2366		spin_unlock_irq(&chip->reg_lock);
2367		kfree(chip->substreams);
2368	}
2369	if (chip->iobase) {
2370		outw(0, chip->iobase + HOST_INT_CTRL); /* disable ints */
2371	}
2372
2373#ifdef CONFIG_PM_SLEEP
2374	vfree(chip->suspend_mem);
2375#endif
2376
2377	if (chip->irq >= 0)
2378		free_irq(chip->irq, chip);
2379
2380	if (chip->iobase)
2381		pci_release_regions(chip->pci);
2382
2383	release_firmware(chip->assp_kernel_image);
2384	release_firmware(chip->assp_minisrc_image);
2385
2386	pci_disable_device(chip->pci);
2387	kfree(chip);
2388	return 0;
2389}
2390
2391
2392/*
2393 * APM support
2394 */
2395#ifdef CONFIG_PM_SLEEP
2396static int m3_suspend(struct device *dev)
2397{
2398	struct pci_dev *pci = to_pci_dev(dev);
2399	struct snd_card *card = dev_get_drvdata(dev);
2400	struct snd_m3 *chip = card->private_data;
2401	int i, dsp_index;
2402
2403	if (chip->suspend_mem == NULL)
2404		return 0;
2405
2406	chip->in_suspend = 1;
2407	cancel_work_sync(&chip->hwvol_work);
2408	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2409	snd_pcm_suspend_all(chip->pcm);
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
2425	pci_disable_device(pci);
2426	pci_save_state(pci);
2427	pci_set_power_state(pci, PCI_D3hot);
2428	return 0;
2429}
2430
2431static int m3_resume(struct device *dev)
2432{
2433	struct pci_dev *pci = to_pci_dev(dev);
2434	struct snd_card *card = dev_get_drvdata(dev);
2435	struct snd_m3 *chip = card->private_data;
2436	int i, dsp_index;
2437
2438	if (chip->suspend_mem == NULL)
2439		return 0;
2440
2441	pci_set_power_state(pci, PCI_D0);
2442	pci_restore_state(pci);
2443	if (pci_enable_device(pci) < 0) {
2444		dev_err(dev, "pci_enable_device failed, disabling device\n");
2445		snd_card_disconnect(card);
2446		return -EIO;
2447	}
2448	pci_set_master(pci);
2449
2450	/* first lets just bring everything back. .*/
2451	snd_m3_outw(chip, 0, 0x54);
2452	snd_m3_outw(chip, 0, 0x56);
2453
2454	snd_m3_chip_init(chip);
2455	snd_m3_assp_halt(chip);
2456	snd_m3_ac97_reset(chip);
2457
2458	/* restore dsp image */
2459	dsp_index = 0;
2460	for (i = REV_B_CODE_MEMORY_BEGIN; i <= REV_B_CODE_MEMORY_END; i++)
2461		snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, i, 
2462				  chip->suspend_mem[dsp_index++]);
2463	for (i = REV_B_DATA_MEMORY_BEGIN ; i <= REV_B_DATA_MEMORY_END; i++)
2464		snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, i, 
2465				  chip->suspend_mem[dsp_index++]);
2466
2467	/* tell the dma engine to restart itself */
2468	snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, 
2469			  KDATA_DMA_ACTIVE, 0);
2470
2471        /* restore ac97 registers */
2472	snd_ac97_resume(chip->ac97);
2473
2474	snd_m3_assp_continue(chip);
2475	snd_m3_enable_ints(chip);
2476	snd_m3_amp_enable(chip, 1);
2477
2478	snd_m3_hv_init(chip);
2479
2480	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2481	chip->in_suspend = 0;
2482	return 0;
2483}
2484
2485static SIMPLE_DEV_PM_OPS(m3_pm, m3_suspend, m3_resume);
2486#define M3_PM_OPS	&m3_pm
2487#else
2488#define M3_PM_OPS	NULL
2489#endif /* CONFIG_PM_SLEEP */
2490
2491#ifdef CONFIG_SND_MAESTRO3_INPUT
2492static int snd_m3_input_register(struct snd_m3 *chip)
2493{
2494	struct input_dev *input_dev;
2495	int err;
2496
2497	input_dev = input_allocate_device();
2498	if (!input_dev)
2499		return -ENOMEM;
2500
2501	snprintf(chip->phys, sizeof(chip->phys), "pci-%s/input0",
2502		 pci_name(chip->pci));
2503
2504	input_dev->name = chip->card->driver;
2505	input_dev->phys = chip->phys;
2506	input_dev->id.bustype = BUS_PCI;
2507	input_dev->id.vendor  = chip->pci->vendor;
2508	input_dev->id.product = chip->pci->device;
2509	input_dev->dev.parent = &chip->pci->dev;
2510
2511	__set_bit(EV_KEY, input_dev->evbit);
2512	__set_bit(KEY_MUTE, input_dev->keybit);
2513	__set_bit(KEY_VOLUMEDOWN, input_dev->keybit);
2514	__set_bit(KEY_VOLUMEUP, input_dev->keybit);
2515
2516	err = input_register_device(input_dev);
2517	if (err) {
2518		input_free_device(input_dev);
2519		return err;
2520	}
2521
2522	chip->input_dev = input_dev;
2523	return 0;
2524}
2525#endif /* CONFIG_INPUT */
2526
2527/*
2528 */
2529
2530static int snd_m3_dev_free(struct snd_device *device)
2531{
2532	struct snd_m3 *chip = device->device_data;
2533	return snd_m3_free(chip);
2534}
2535
2536static int
2537snd_m3_create(struct snd_card *card, struct pci_dev *pci,
2538	      int enable_amp,
2539	      int amp_gpio,
2540	      struct snd_m3 **chip_ret)
2541{
2542	struct snd_m3 *chip;
2543	int i, err;
2544	const struct snd_pci_quirk *quirk;
2545	static struct snd_device_ops ops = {
2546		.dev_free =	snd_m3_dev_free,
2547	};
2548
2549	*chip_ret = NULL;
2550
2551	if (pci_enable_device(pci))
2552		return -EIO;
2553
2554	/* check, if we can restrict PCI DMA transfers to 28 bits */
2555	if (pci_set_dma_mask(pci, DMA_BIT_MASK(28)) < 0 ||
2556	    pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(28)) < 0) {
2557		dev_err(card->dev,
2558			"architecture does not support 28bit PCI busmaster DMA\n");
2559		pci_disable_device(pci);
2560		return -ENXIO;
2561	}
2562
2563	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
2564	if (chip == NULL) {
2565		pci_disable_device(pci);
2566		return -ENOMEM;
2567	}
2568
2569	spin_lock_init(&chip->reg_lock);
2570
2571	switch (pci->device) {
2572	case PCI_DEVICE_ID_ESS_ALLEGRO:
2573	case PCI_DEVICE_ID_ESS_ALLEGRO_1:
2574	case PCI_DEVICE_ID_ESS_CANYON3D_2LE:
2575	case PCI_DEVICE_ID_ESS_CANYON3D_2:
2576		chip->allegro_flag = 1;
2577		break;
2578	}
2579
2580	chip->card = card;
2581	chip->pci = pci;
2582	chip->irq = -1;
2583	INIT_WORK(&chip->hwvol_work, snd_m3_update_hw_volume);
2584
2585	chip->external_amp = enable_amp;
2586	if (amp_gpio >= 0 && amp_gpio <= 0x0f)
2587		chip->amp_gpio = amp_gpio;
2588	else {
2589		quirk = snd_pci_quirk_lookup(pci, m3_amp_quirk_list);
2590		if (quirk) {
2591			dev_info(card->dev, "set amp-gpio for '%s'\n",
2592				 snd_pci_quirk_name(quirk));
2593			chip->amp_gpio = quirk->value;
2594		} else if (chip->allegro_flag)
2595			chip->amp_gpio = GPO_EXT_AMP_ALLEGRO;
2596		else /* presumably this is for all 'maestro3's.. */
2597			chip->amp_gpio = GPO_EXT_AMP_M3;
2598	}
2599
2600	quirk = snd_pci_quirk_lookup(pci, m3_irda_quirk_list);
2601	if (quirk) {
2602		dev_info(card->dev, "enabled irda workaround for '%s'\n",
2603			 snd_pci_quirk_name(quirk));
2604		chip->irda_workaround = 1;
2605	}
2606	quirk = snd_pci_quirk_lookup(pci, m3_hv_quirk_list);
2607	if (quirk)
2608		chip->hv_config = quirk->value;
2609	if (snd_pci_quirk_lookup(pci, m3_omnibook_quirk_list))
2610		chip->is_omnibook = 1;
2611
2612	chip->num_substreams = NR_DSPS;
2613	chip->substreams = kcalloc(chip->num_substreams, sizeof(struct m3_dma),
2614				   GFP_KERNEL);
2615	if (chip->substreams == NULL) {
2616		kfree(chip);
2617		pci_disable_device(pci);
2618		return -ENOMEM;
2619	}
2620
2621	err = request_firmware(&chip->assp_kernel_image,
2622			       "ess/maestro3_assp_kernel.fw", &pci->dev);
2623	if (err < 0) {
2624		snd_m3_free(chip);
2625		return err;
2626	}
2627
2628	err = request_firmware(&chip->assp_minisrc_image,
2629			       "ess/maestro3_assp_minisrc.fw", &pci->dev);
2630	if (err < 0) {
2631		snd_m3_free(chip);
2632		return err;
2633	}
 
 
2634
2635	if ((err = pci_request_regions(pci, card->driver)) < 0) {
2636		snd_m3_free(chip);
2637		return err;
2638	}
2639	chip->iobase = pci_resource_start(pci, 0);
2640	
2641	/* just to be sure */
2642	pci_set_master(pci);
2643
2644	snd_m3_chip_init(chip);
2645	snd_m3_assp_halt(chip);
2646
2647	snd_m3_ac97_reset(chip);
2648
2649	snd_m3_amp_enable(chip, 1);
2650
2651	snd_m3_hv_init(chip);
2652
2653	if (request_irq(pci->irq, snd_m3_interrupt, IRQF_SHARED,
2654			KBUILD_MODNAME, chip)) {
2655		dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2656		snd_m3_free(chip);
2657		return -ENOMEM;
2658	}
2659	chip->irq = pci->irq;
2660
2661#ifdef CONFIG_PM_SLEEP
2662	chip->suspend_mem = vmalloc(sizeof(u16) * (REV_B_CODE_MEMORY_LENGTH + REV_B_DATA_MEMORY_LENGTH));
 
 
 
2663	if (chip->suspend_mem == NULL)
2664		dev_warn(card->dev, "can't allocate apm buffer\n");
2665#endif
2666
2667	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
2668		snd_m3_free(chip);
2669		return err;
2670	}
2671
2672	if ((err = snd_m3_mixer(chip)) < 0)
2673		return err;
2674
2675	for (i = 0; i < chip->num_substreams; i++) {
2676		struct m3_dma *s = &chip->substreams[i];
2677		if ((err = snd_m3_assp_client_init(chip, s, i)) < 0)
2678			return err;
2679	}
2680
2681	if ((err = snd_m3_pcm(chip, 0)) < 0)
2682		return err;
2683
2684#ifdef CONFIG_SND_MAESTRO3_INPUT
2685	if (chip->hv_config & HV_CTRL_ENABLE) {
2686		err = snd_m3_input_register(chip);
2687		if (err)
2688			dev_warn(card->dev,
2689				 "Input device registration failed with error %i",
2690				 err);
2691	}
2692#endif
2693
2694	snd_m3_enable_ints(chip);
2695	snd_m3_assp_continue(chip);
2696
2697	*chip_ret = chip;
2698
2699	return 0; 
 
 
 
 
2700}
2701
2702/*
2703 */
2704static int
2705snd_m3_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2706{
2707	static int dev;
2708	struct snd_card *card;
2709	struct snd_m3 *chip;
2710	int err;
2711
2712	/* don't pick up modems */
2713	if (((pci->class >> 8) & 0xffff) != PCI_CLASS_MULTIMEDIA_AUDIO)
2714		return -ENODEV;
2715
2716	if (dev >= SNDRV_CARDS)
2717		return -ENODEV;
2718	if (!enable[dev]) {
2719		dev++;
2720		return -ENOENT;
2721	}
2722
2723	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2724			   0, &card);
2725	if (err < 0)
2726		return err;
2727
2728	switch (pci->device) {
2729	case PCI_DEVICE_ID_ESS_ALLEGRO:
2730	case PCI_DEVICE_ID_ESS_ALLEGRO_1:
2731		strcpy(card->driver, "Allegro");
2732		break;
2733	case PCI_DEVICE_ID_ESS_CANYON3D_2LE:
2734	case PCI_DEVICE_ID_ESS_CANYON3D_2:
2735		strcpy(card->driver, "Canyon3D-2");
2736		break;
2737	default:
2738		strcpy(card->driver, "Maestro3");
2739		break;
2740	}
2741
2742	if ((err = snd_m3_create(card, pci,
2743				 external_amp[dev],
2744				 amp_gpio[dev],
2745				 &chip)) < 0) {
2746		snd_card_free(card);
2747		return err;
2748	}
2749	card->private_data = chip;
2750
2751	sprintf(card->shortname, "ESS %s PCI", card->driver);
2752	sprintf(card->longname, "%s at 0x%lx, irq %d",
2753		card->shortname, chip->iobase, chip->irq);
2754
2755	if ((err = snd_card_register(card)) < 0) {
2756		snd_card_free(card);
2757		return err;
2758	}
2759
2760#if 0 /* TODO: not supported yet */
2761	/* TODO enable MIDI IRQ and I/O */
2762	err = snd_mpu401_uart_new(chip->card, 0, MPU401_HW_MPU401,
2763				  chip->iobase + MPU401_DATA_PORT,
2764				  MPU401_INFO_INTEGRATED | MPU401_INFO_IRQ_HOOK,
2765				  -1, &chip->rmidi);
2766	if (err < 0)
2767		dev_warn(card->dev, "no MIDI support.\n");
2768#endif
2769
2770	pci_set_drvdata(pci, card);
2771	dev++;
2772	return 0;
 
 
 
 
2773}
2774
2775static void snd_m3_remove(struct pci_dev *pci)
2776{
2777	snd_card_free(pci_get_drvdata(pci));
2778}
2779
2780static struct pci_driver m3_driver = {
2781	.name = KBUILD_MODNAME,
2782	.id_table = snd_m3_ids,
2783	.probe = snd_m3_probe,
2784	.remove = snd_m3_remove,
2785	.driver = {
2786		.pm = M3_PM_OPS,
2787	},
2788};
2789	
2790module_pci_driver(m3_driver);