sound/pci/maestro3.c

   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 <sound/driver.h>
  35 #include <asm/io.h>
  36 #include <linux/delay.h>
  37 #include <linux/interrupt.h>
  38 #include <linux/init.h>
  39 #include <linux/pci.h>
  40 #include <linux/dma-mapping.h>
  41 #include <linux/slab.h>
  42 #include <linux/vmalloc.h>
  43 #include <linux/moduleparam.h>
  44 #include <linux/firmware.h>
  45 #include <sound/core.h>
  46 #include <sound/info.h>
  47 #include <sound/control.h>
  48 #include <sound/pcm.h>
  49 #include <sound/mpu401.h>
  50 #include <sound/ac97_codec.h>
  51 #include <sound/initval.h>
  52 #include <asm/byteorder.h>
  53
  54 MODULE_AUTHOR("Zach Brown <zab@zabbo.net>, Takashi Iwai <tiwai@suse.de>");
  55 MODULE_DESCRIPTION("ESS Maestro3 PCI");
  56 MODULE_LICENSE("GPL");
  57 MODULE_SUPPORTED_DEVICE("{{ESS,Maestro3 PCI},"
  58                 "{ESS,ES1988},"
  59                 "{ESS,Allegro PCI},"
  60                 "{ESS,Allegro-1 PCI},"
  61                 "{ESS,Canyon3D-2/LE PCI}}");
  62
  63 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  64 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  65 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* all enabled */
  66 static int external_amp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
  67 static int amp_gpio[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
  68
  69 module_param_array(index, int, NULL, 0444);
  70 MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard.");
  71 module_param_array(id, charp, NULL, 0444);
  72 MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard.");
  73 module_param_array(enable, bool, NULL, 0444);
  74 MODULE_PARM_DESC(enable, "Enable this soundcard.");
  75 module_param_array(external_amp, bool, NULL, 0444);
  76 MODULE_PARM_DESC(external_amp, "Enable external amp for " CARD_NAME " soundcard.");
  77 module_param_array(amp_gpio, int, NULL, 0444);
  78 MODULE_PARM_DESC(amp_gpio, "GPIO pin number for external amp. (default = -1)");
  79
  80 #define MAX_PLAYBACKS   2
  81 #define MAX_CAPTURES    1
  82 #define NR_DSPS         (MAX_PLAYBACKS + MAX_CAPTURES)
  83
  84
  85 /*
  86  * maestro3 registers
  87  */
  88
  89 /* Allegro PCI configuration registers */
  90 #define PCI_LEGACY_AUDIO_CTRL   0x40
  91 #define SOUND_BLASTER_ENABLE    0x00000001
  92 #define FM_SYNTHESIS_ENABLE     0x00000002
  93 #define GAME_PORT_ENABLE        0x00000004
  94 #define MPU401_IO_ENABLE        0x00000008
  95 #define MPU401_IRQ_ENABLE       0x00000010
  96 #define ALIAS_10BIT_IO          0x00000020
  97 #define SB_DMA_MASK             0x000000C0
  98 #define SB_DMA_0                0x00000040
  99 #define SB_DMA_1                0x00000040
 100 #define SB_DMA_R                0x00000080
 101 #define SB_DMA_3                0x000000C0
 102 #define SB_IRQ_MASK             0x00000700
 103 #define SB_IRQ_5                0x00000000
 104 #define SB_IRQ_7                0x00000100
 105 #define SB_IRQ_9                0x00000200
 106 #define SB_IRQ_10               0x00000300
 107 #define MIDI_IRQ_MASK           0x00003800
 108 #define SERIAL_IRQ_ENABLE       0x00004000
 109 #define DISABLE_LEGACY          0x00008000
 110
 111 #define PCI_ALLEGRO_CONFIG      0x50
 112 #define SB_ADDR_240             0x00000004
 113 #define MPU_ADDR_MASK           0x00000018
 114 #define MPU_ADDR_330            0x00000000
 115 #define MPU_ADDR_300            0x00000008
 116 #define MPU_ADDR_320            0x00000010
 117 #define MPU_ADDR_340            0x00000018
 118 #define USE_PCI_TIMING          0x00000040
 119 #define POSTED_WRITE_ENABLE     0x00000080
 120 #define DMA_POLICY_MASK         0x00000700
 121 #define DMA_DDMA                0x00000000
 122 #define DMA_TDMA                0x00000100
 123 #define DMA_PCPCI               0x00000200
 124 #define DMA_WBDMA16             0x00000400
 125 #define DMA_WBDMA4              0x00000500
 126 #define DMA_WBDMA2              0x00000600
 127 #define DMA_WBDMA1              0x00000700
 128 #define DMA_SAFE_GUARD          0x00000800
 129 #define HI_PERF_GP_ENABLE       0x00001000
 130 #define PIC_SNOOP_MODE_0        0x00002000
 131 #define PIC_SNOOP_MODE_1        0x00004000
 132 #define SOUNDBLASTER_IRQ_MASK   0x00008000
 133 #define RING_IN_ENABLE          0x00010000
 134 #define SPDIF_TEST_MODE         0x00020000
 135 #define CLK_MULT_MODE_SELECT_2  0x00040000
 136 #define EEPROM_WRITE_ENABLE     0x00080000
 137 #define CODEC_DIR_IN            0x00100000
 138 #define HV_BUTTON_FROM_GD       0x00200000
 139 #define REDUCED_DEBOUNCE        0x00400000
 140 #define HV_CTRL_ENABLE          0x00800000
 141 #define SPDIF_ENABLE            0x01000000
 142 #define CLK_DIV_SELECT          0x06000000
 143 #define CLK_DIV_BY_48           0x00000000
 144 #define CLK_DIV_BY_49           0x02000000
 145 #define CLK_DIV_BY_50           0x04000000
 146 #define CLK_DIV_RESERVED        0x06000000
 147 #define PM_CTRL_ENABLE          0x08000000
 148 #define CLK_MULT_MODE_SELECT    0x30000000
 149 #define CLK_MULT_MODE_SHIFT     28
 150 #define CLK_MULT_MODE_0         0x00000000
 151 #define CLK_MULT_MODE_1         0x10000000
 152 #define CLK_MULT_MODE_2         0x20000000
 153 #define CLK_MULT_MODE_3         0x30000000
 154 #define INT_CLK_SELECT          0x40000000
 155 #define INT_CLK_MULT_RESET      0x80000000
 156
 157 /* M3 */
 158 #define INT_CLK_SRC_NOT_PCI     0x00100000
 159 #define INT_CLK_MULT_ENABLE     0x80000000
 160
 161 #define PCI_ACPI_CONTROL        0x54
 162 #define PCI_ACPI_D0             0x00000000
 163 #define PCI_ACPI_D1             0xB4F70000
 164 #define PCI_ACPI_D2             0xB4F7B4F7
 165
 166 #define PCI_USER_CONFIG         0x58
 167 #define EXT_PCI_MASTER_ENABLE   0x00000001
 168 #define SPDIF_OUT_SELECT        0x00000002
 169 #define TEST_PIN_DIR_CTRL       0x00000004
 170 #define AC97_CODEC_TEST         0x00000020
 171 #define TRI_STATE_BUFFER        0x00000080
 172 #define IN_CLK_12MHZ_SELECT     0x00000100
 173 #define MULTI_FUNC_DISABLE      0x00000200
 174 #define EXT_MASTER_PAIR_SEL     0x00000400
 175 #define PCI_MASTER_SUPPORT      0x00000800
 176 #define STOP_CLOCK_ENABLE       0x00001000
 177 #define EAPD_DRIVE_ENABLE       0x00002000
 178 #define REQ_TRI_STATE_ENABLE    0x00004000
 179 #define REQ_LOW_ENABLE          0x00008000
 180 #define MIDI_1_ENABLE           0x00010000
 181 #define MIDI_2_ENABLE           0x00020000
 182 #define SB_AUDIO_SYNC           0x00040000
 183 #define HV_CTRL_TEST            0x00100000
 184 #define SOUNDBLASTER_TEST       0x00400000
 185
 186 #define PCI_USER_CONFIG_C       0x5C
 187
 188 #define PCI_DDMA_CTRL           0x60
 189 #define DDMA_ENABLE             0x00000001
 190
 191
 192 /* Allegro registers */
 193 #define HOST_INT_CTRL           0x18
 194 #define SB_INT_ENABLE           0x0001
 195 #define MPU401_INT_ENABLE       0x0002
 196 #define ASSP_INT_ENABLE         0x0010
 197 #define RING_INT_ENABLE         0x0020
 198 #define HV_INT_ENABLE           0x0040
 199 #define CLKRUN_GEN_ENABLE       0x0100
 200 #define HV_CTRL_TO_PME          0x0400
 201 #define SOFTWARE_RESET_ENABLE   0x8000
 202
 203 /*
 204  * should be using the above defines, probably.
 205  */
 206 #define REGB_ENABLE_RESET               0x01
 207 #define REGB_STOP_CLOCK                 0x10
 208
 209 #define HOST_INT_STATUS         0x1A
 210 #define SB_INT_PENDING          0x01
 211 #define MPU401_INT_PENDING      0x02
 212 #define ASSP_INT_PENDING        0x10
 213 #define RING_INT_PENDING        0x20
 214 #define HV_INT_PENDING          0x40
 215
 216 #define HARDWARE_VOL_CTRL       0x1B
 217 #define SHADOW_MIX_REG_VOICE    0x1C
 218 #define HW_VOL_COUNTER_VOICE    0x1D
 219 #define SHADOW_MIX_REG_MASTER   0x1E
 220 #define HW_VOL_COUNTER_MASTER   0x1F
 221
 222 #define CODEC_COMMAND           0x30
 223 #define CODEC_READ_B            0x80
 224
 225 #define CODEC_STATUS            0x30
 226 #define CODEC_BUSY_B            0x01
 227
 228 #define CODEC_DATA              0x32
 229
 230 #define RING_BUS_CTRL_A         0x36
 231 #define RAC_PME_ENABLE          0x0100
 232 #define RAC_SDFS_ENABLE         0x0200
 233 #define LAC_PME_ENABLE          0x0400
 234 #define LAC_SDFS_ENABLE         0x0800
 235 #define SERIAL_AC_LINK_ENABLE   0x1000
 236 #define IO_SRAM_ENABLE          0x2000
 237 #define IIS_INPUT_ENABLE        0x8000
 238
 239 #define RING_BUS_CTRL_B         0x38
 240 #define SECOND_CODEC_ID_MASK    0x0003
 241 #define SPDIF_FUNC_ENABLE       0x0010
 242 #define SECOND_AC_ENABLE        0x0020
 243 #define SB_MODULE_INTF_ENABLE   0x0040
 244 #define SSPE_ENABLE             0x0040
 245 #define M3I_DOCK_ENABLE         0x0080
 246
 247 #define SDO_OUT_DEST_CTRL       0x3A
 248 #define COMMAND_ADDR_OUT        0x0003
 249 #define PCM_LR_OUT_LOCAL        0x0000
 250 #define PCM_LR_OUT_REMOTE       0x0004
 251 #define PCM_LR_OUT_MUTE         0x0008
 252 #define PCM_LR_OUT_BOTH         0x000C
 253 #define LINE1_DAC_OUT_LOCAL     0x0000
 254 #define LINE1_DAC_OUT_REMOTE    0x0010
 255 #define LINE1_DAC_OUT_MUTE      0x0020
 256 #define LINE1_DAC_OUT_BOTH      0x0030
 257 #define PCM_CLS_OUT_LOCAL       0x0000
 258 #define PCM_CLS_OUT_REMOTE      0x0040
 259 #define PCM_CLS_OUT_MUTE        0x0080
 260 #define PCM_CLS_OUT_BOTH        0x00C0
 261 #define PCM_RLF_OUT_LOCAL       0x0000
 262 #define PCM_RLF_OUT_REMOTE      0x0100
 263 #define PCM_RLF_OUT_MUTE        0x0200
 264 #define PCM_RLF_OUT_BOTH        0x0300
 265 #define LINE2_DAC_OUT_LOCAL     0x0000
 266 #define LINE2_DAC_OUT_REMOTE    0x0400
 267 #define LINE2_DAC_OUT_MUTE      0x0800
 268 #define LINE2_DAC_OUT_BOTH      0x0C00
 269 #define HANDSET_OUT_LOCAL       0x0000
 270 #define HANDSET_OUT_REMOTE      0x1000
 271 #define HANDSET_OUT_MUTE        0x2000
 272 #define HANDSET_OUT_BOTH        0x3000
 273 #define IO_CTRL_OUT_LOCAL       0x0000
 274 #define IO_CTRL_OUT_REMOTE      0x4000
 275 #define IO_CTRL_OUT_MUTE        0x8000
 276 #define IO_CTRL_OUT_BOTH        0xC000
 277
 278 #define SDO_IN_DEST_CTRL        0x3C
 279 #define STATUS_ADDR_IN          0x0003
 280 #define PCM_LR_IN_LOCAL         0x0000
 281 #define PCM_LR_IN_REMOTE        0x0004
 282 #define PCM_LR_RESERVED         0x0008
 283 #define PCM_LR_IN_BOTH          0x000C
 284 #define LINE1_ADC_IN_LOCAL      0x0000
 285 #define LINE1_ADC_IN_REMOTE     0x0010
 286 #define LINE1_ADC_IN_MUTE       0x0020
 287 #define MIC_ADC_IN_LOCAL        0x0000
 288 #define MIC_ADC_IN_REMOTE       0x0040
 289 #define MIC_ADC_IN_MUTE         0x0080
 290 #define LINE2_DAC_IN_LOCAL      0x0000
 291 #define LINE2_DAC_IN_REMOTE     0x0400
 292 #define LINE2_DAC_IN_MUTE       0x0800
 293 #define HANDSET_IN_LOCAL        0x0000
 294 #define HANDSET_IN_REMOTE       0x1000
 295 #define HANDSET_IN_MUTE         0x2000
 296 #define IO_STATUS_IN_LOCAL      0x0000
 297 #define IO_STATUS_IN_REMOTE     0x4000
 298
 299 #define SPDIF_IN_CTRL           0x3E
 300 #define SPDIF_IN_ENABLE         0x0001
 301
 302 #define GPIO_DATA               0x60
 303 #define GPIO_DATA_MASK          0x0FFF
 304 #define GPIO_HV_STATUS          0x3000
 305 #define GPIO_PME_STATUS         0x4000
 306
 307 #define GPIO_MASK               0x64
 308 #define GPIO_DIRECTION          0x68
 309 #define GPO_PRIMARY_AC97        0x0001
 310 #define GPI_LINEOUT_SENSE       0x0004
 311 #define GPO_SECONDARY_AC97      0x0008
 312 #define GPI_VOL_DOWN            0x0010
 313 #define GPI_VOL_UP              0x0020
 314 #define GPI_IIS_CLK             0x0040
 315 #define GPI_IIS_LRCLK           0x0080
 316 #define GPI_IIS_DATA            0x0100
 317 #define GPI_DOCKING_STATUS      0x0100
 318 #define GPI_HEADPHONE_SENSE     0x0200
 319 #define GPO_EXT_AMP_SHUTDOWN    0x1000
 320
 321 #define GPO_EXT_AMP_M3          1       /* default m3 amp */
 322 #define GPO_EXT_AMP_ALLEGRO     8       /* default allegro amp */
 323
 324 /* M3 */
 325 #define GPO_M3_EXT_AMP_SHUTDN   0x0002
 326
 327 #define ASSP_INDEX_PORT         0x80
 328 #define ASSP_MEMORY_PORT        0x82
 329 #define ASSP_DATA_PORT          0x84
 330
 331 #define MPU401_DATA_PORT        0x98
 332 #define MPU401_STATUS_PORT      0x99
 333
 334 #define CLK_MULT_DATA_PORT      0x9C
 335
 336 #define ASSP_CONTROL_A          0xA2
 337 #define ASSP_0_WS_ENABLE        0x01
 338 #define ASSP_CTRL_A_RESERVED1   0x02
 339 #define ASSP_CTRL_A_RESERVED2   0x04
 340 #define ASSP_CLK_49MHZ_SELECT   0x08
 341 #define FAST_PLU_ENABLE         0x10
 342 #define ASSP_CTRL_A_RESERVED3   0x20
 343 #define DSP_CLK_36MHZ_SELECT    0x40
 344
 345 #define ASSP_CONTROL_B          0xA4
 346 #define RESET_ASSP              0x00
 347 #define RUN_ASSP                0x01
 348 #define ENABLE_ASSP_CLOCK       0x00
 349 #define STOP_ASSP_CLOCK         0x10
 350 #define RESET_TOGGLE            0x40
 351
 352 #define ASSP_CONTROL_C          0xA6
 353 #define ASSP_HOST_INT_ENABLE    0x01
 354 #define FM_ADDR_REMAP_DISABLE   0x02
 355 #define HOST_WRITE_PORT_ENABLE  0x08
 356
 357 #define ASSP_HOST_INT_STATUS    0xAC
 358 #define DSP2HOST_REQ_PIORECORD  0x01
 359 #define DSP2HOST_REQ_I2SRATE    0x02
 360 #define DSP2HOST_REQ_TIMER      0x04
 361
 362 /* AC97 registers */
 363 /* XXX fix this crap up */
 364 /*#define AC97_RESET              0x00*/
 365
 366 #define AC97_VOL_MUTE_B         0x8000
 367 #define AC97_VOL_M              0x1F
 368 #define AC97_LEFT_VOL_S         8
 369
 370 #define AC97_MASTER_VOL         0x02
 371 #define AC97_LINE_LEVEL_VOL     0x04
 372 #define AC97_MASTER_MONO_VOL    0x06
 373 #define AC97_PC_BEEP_VOL        0x0A
 374 #define AC97_PC_BEEP_VOL_M      0x0F
 375 #define AC97_SROUND_MASTER_VOL  0x38
 376 #define AC97_PC_BEEP_VOL_S      1
 377
 378 /*#define AC97_PHONE_VOL          0x0C
 379 #define AC97_MIC_VOL            0x0E*/
 380 #define AC97_MIC_20DB_ENABLE    0x40
 381
 382 /*#define AC97_LINEIN_VOL         0x10
 383 #define AC97_CD_VOL             0x12
 384 #define AC97_VIDEO_VOL          0x14
 385 #define AC97_AUX_VOL            0x16*/
 386 #define AC97_PCM_OUT_VOL        0x18
 387 /*#define AC97_RECORD_SELECT      0x1A*/
 388 #define AC97_RECORD_MIC         0x00
 389 #define AC97_RECORD_CD          0x01
 390 #define AC97_RECORD_VIDEO       0x02
 391 #define AC97_RECORD_AUX         0x03
 392 #define AC97_RECORD_MONO_MUX    0x02
 393 #define AC97_RECORD_DIGITAL     0x03
 394 #define AC97_RECORD_LINE        0x04
 395 #define AC97_RECORD_STEREO      0x05
 396 #define AC97_RECORD_MONO        0x06
 397 #define AC97_RECORD_PHONE       0x07
 398
 399 /*#define AC97_RECORD_GAIN        0x1C*/
 400 #define AC97_RECORD_VOL_M       0x0F
 401
 402 /*#define AC97_GENERAL_PURPOSE    0x20*/
 403 #define AC97_POWER_DOWN_CTRL    0x26
 404 #define AC97_ADC_READY          0x0001
 405 #define AC97_DAC_READY          0x0002
 406 #define AC97_ANALOG_READY       0x0004
 407 #define AC97_VREF_ON            0x0008
 408 #define AC97_PR0                0x0100
 409 #define AC97_PR1                0x0200
 410 #define AC97_PR2                0x0400
 411 #define AC97_PR3                0x0800
 412 #define AC97_PR4                0x1000
 413
 414 #define AC97_RESERVED1          0x28
 415
 416 #define AC97_VENDOR_TEST        0x5A
 417
 418 #define AC97_CLOCK_DELAY        0x5C
 419 #define AC97_LINEOUT_MUX_SEL    0x0001
 420 #define AC97_MONO_MUX_SEL       0x0002
 421 #define AC97_CLOCK_DELAY_SEL    0x1F
 422 #define AC97_DAC_CDS_SHIFT      6
 423 #define AC97_ADC_CDS_SHIFT      11
 424
 425 #define AC97_MULTI_CHANNEL_SEL  0x74
 426
 427 /*#define AC97_VENDOR_ID1         0x7C
 428 #define AC97_VENDOR_ID2         0x7E*/
 429
 430 /*
 431  * ASSP control regs
 432  */
 433 #define DSP_PORT_TIMER_COUNT    0x06
 434
 435 #define DSP_PORT_MEMORY_INDEX   0x80
 436
 437 #define DSP_PORT_MEMORY_TYPE    0x82
 438 #define MEMTYPE_INTERNAL_CODE   0x0002
 439 #define MEMTYPE_INTERNAL_DATA   0x0003
 440 #define MEMTYPE_MASK            0x0003
 441
 442 #define DSP_PORT_MEMORY_DATA    0x84
 443
 444 #define DSP_PORT_CONTROL_REG_A  0xA2
 445 #define DSP_PORT_CONTROL_REG_B  0xA4
 446 #define DSP_PORT_CONTROL_REG_C  0xA6
 447
 448 #define REV_A_CODE_MEMORY_BEGIN         0x0000
 449 #define REV_A_CODE_MEMORY_END           0x0FFF
 450 #define REV_A_CODE_MEMORY_UNIT_LENGTH   0x0040
 451 #define REV_A_CODE_MEMORY_LENGTH        (REV_A_CODE_MEMORY_END - REV_A_CODE_MEMORY_BEGIN + 1)
 452
 453 #define REV_B_CODE_MEMORY_BEGIN         0x0000
 454 #define REV_B_CODE_MEMORY_END           0x0BFF
 455 #define REV_B_CODE_MEMORY_UNIT_LENGTH   0x0040
 456 #define REV_B_CODE_MEMORY_LENGTH        (REV_B_CODE_MEMORY_END - REV_B_CODE_MEMORY_BEGIN + 1)
 457
 458 #define REV_A_DATA_MEMORY_BEGIN         0x1000
 459 #define REV_A_DATA_MEMORY_END           0x2FFF
 460 #define REV_A_DATA_MEMORY_UNIT_LENGTH   0x0080
 461 #define REV_A_DATA_MEMORY_LENGTH        (REV_A_DATA_MEMORY_END - REV_A_DATA_MEMORY_BEGIN + 1)
 462
 463 #define REV_B_DATA_MEMORY_BEGIN         0x1000
 464 #define REV_B_DATA_MEMORY_END           0x2BFF
 465 #define REV_B_DATA_MEMORY_UNIT_LENGTH   0x0080
 466 #define REV_B_DATA_MEMORY_LENGTH        (REV_B_DATA_MEMORY_END - REV_B_DATA_MEMORY_BEGIN + 1)
 467
 468
 469 #define NUM_UNITS_KERNEL_CODE          16
 470 #define NUM_UNITS_KERNEL_DATA           2
 471
 472 #define NUM_UNITS_KERNEL_CODE_WITH_HSP 16
 473 #define NUM_UNITS_KERNEL_DATA_WITH_HSP  5
 474
 475 /*
 476  * Kernel data layout
 477  */
 478
 479 #define DP_SHIFT_COUNT                  7
 480
 481 #define KDATA_BASE_ADDR                 0x1000
 482 #define KDATA_BASE_ADDR2                0x1080
 483
 484 #define KDATA_TASK0                     (KDATA_BASE_ADDR + 0x0000)
 485 #define KDATA_TASK1                     (KDATA_BASE_ADDR + 0x0001)
 486 #define KDATA_TASK2                     (KDATA_BASE_ADDR + 0x0002)
 487 #define KDATA_TASK3                     (KDATA_BASE_ADDR + 0x0003)
 488 #define KDATA_TASK4                     (KDATA_BASE_ADDR + 0x0004)
 489 #define KDATA_TASK5                     (KDATA_BASE_ADDR + 0x0005)
 490 #define KDATA_TASK6                     (KDATA_BASE_ADDR + 0x0006)
 491 #define KDATA_TASK7                     (KDATA_BASE_ADDR + 0x0007)
 492 #define KDATA_TASK_ENDMARK              (KDATA_BASE_ADDR + 0x0008)
 493
 494 #define KDATA_CURRENT_TASK              (KDATA_BASE_ADDR + 0x0009)
 495 #define KDATA_TASK_SWITCH               (KDATA_BASE_ADDR + 0x000A)
 496
 497 #define KDATA_INSTANCE0_POS3D           (KDATA_BASE_ADDR + 0x000B)
 498 #define KDATA_INSTANCE1_POS3D           (KDATA_BASE_ADDR + 0x000C)
 499 #define KDATA_INSTANCE2_POS3D           (KDATA_BASE_ADDR + 0x000D)
 500 #define KDATA_INSTANCE3_POS3D           (KDATA_BASE_ADDR + 0x000E)
 501 #define KDATA_INSTANCE4_POS3D           (KDATA_BASE_ADDR + 0x000F)
 502 #define KDATA_INSTANCE5_POS3D           (KDATA_BASE_ADDR + 0x0010)
 503 #define KDATA_INSTANCE6_POS3D           (KDATA_BASE_ADDR + 0x0011)
 504 #define KDATA_INSTANCE7_POS3D           (KDATA_BASE_ADDR + 0x0012)
 505 #define KDATA_INSTANCE8_POS3D           (KDATA_BASE_ADDR + 0x0013)
 506 #define KDATA_INSTANCE_POS3D_ENDMARK    (KDATA_BASE_ADDR + 0x0014)
 507
 508 #define KDATA_INSTANCE0_SPKVIRT         (KDATA_BASE_ADDR + 0x0015)
 509 #define KDATA_INSTANCE_SPKVIRT_ENDMARK  (KDATA_BASE_ADDR + 0x0016)
 510
 511 #define KDATA_INSTANCE0_SPDIF           (KDATA_BASE_ADDR + 0x0017)
 512 #define KDATA_INSTANCE_SPDIF_ENDMARK    (KDATA_BASE_ADDR + 0x0018)
 513
 514 #define KDATA_INSTANCE0_MODEM           (KDATA_BASE_ADDR + 0x0019)
 515 #define KDATA_INSTANCE_MODEM_ENDMARK    (KDATA_BASE_ADDR + 0x001A)
 516
 517 #define KDATA_INSTANCE0_SRC             (KDATA_BASE_ADDR + 0x001B)
 518 #define KDATA_INSTANCE1_SRC             (KDATA_BASE_ADDR + 0x001C)
 519 #define KDATA_INSTANCE_SRC_ENDMARK      (KDATA_BASE_ADDR + 0x001D)
 520
 521 #define KDATA_INSTANCE0_MINISRC         (KDATA_BASE_ADDR + 0x001E)
 522 #define KDATA_INSTANCE1_MINISRC         (KDATA_BASE_ADDR + 0x001F)
 523 #define KDATA_INSTANCE2_MINISRC         (KDATA_BASE_ADDR + 0x0020)
 524 #define KDATA_INSTANCE3_MINISRC         (KDATA_BASE_ADDR + 0x0021)
 525 #define KDATA_INSTANCE_MINISRC_ENDMARK  (KDATA_BASE_ADDR + 0x0022)
 526
 527 #define KDATA_INSTANCE0_CPYTHRU         (KDATA_BASE_ADDR + 0x0023)
 528 #define KDATA_INSTANCE1_CPYTHRU         (KDATA_BASE_ADDR + 0x0024)
 529 #define KDATA_INSTANCE_CPYTHRU_ENDMARK  (KDATA_BASE_ADDR + 0x0025)
 530
 531 #define KDATA_CURRENT_DMA               (KDATA_BASE_ADDR + 0x0026)
 532 #define KDATA_DMA_SWITCH                (KDATA_BASE_ADDR + 0x0027)
 533 #define KDATA_DMA_ACTIVE                (KDATA_BASE_ADDR + 0x0028)
 534
 535 #define KDATA_DMA_XFER0                 (KDATA_BASE_ADDR + 0x0029)
 536 #define KDATA_DMA_XFER1                 (KDATA_BASE_ADDR + 0x002A)
 537 #define KDATA_DMA_XFER2                 (KDATA_BASE_ADDR + 0x002B)
 538 #define KDATA_DMA_XFER3                 (KDATA_BASE_ADDR + 0x002C)
 539 #define KDATA_DMA_XFER4                 (KDATA_BASE_ADDR + 0x002D)
 540 #define KDATA_DMA_XFER5                 (KDATA_BASE_ADDR + 0x002E)
 541 #define KDATA_DMA_XFER6                 (KDATA_BASE_ADDR + 0x002F)
 542 #define KDATA_DMA_XFER7                 (KDATA_BASE_ADDR + 0x0030)
 543 #define KDATA_DMA_XFER8                 (KDATA_BASE_ADDR + 0x0031)
 544 #define KDATA_DMA_XFER_ENDMARK          (KDATA_BASE_ADDR + 0x0032)
 545
 546 #define KDATA_I2S_SAMPLE_COUNT          (KDATA_BASE_ADDR + 0x0033)
 547 #define KDATA_I2S_INT_METER             (KDATA_BASE_ADDR + 0x0034)
 548 #define KDATA_I2S_ACTIVE                (KDATA_BASE_ADDR + 0x0035)
 549
 550 #define KDATA_TIMER_COUNT_RELOAD        (KDATA_BASE_ADDR + 0x0036)
 551 #define KDATA_TIMER_COUNT_CURRENT       (KDATA_BASE_ADDR + 0x0037)
 552
 553 #define KDATA_HALT_SYNCH_CLIENT         (KDATA_BASE_ADDR + 0x0038)
 554 #define KDATA_HALT_SYNCH_DMA            (KDATA_BASE_ADDR + 0x0039)
 555 #define KDATA_HALT_ACKNOWLEDGE          (KDATA_BASE_ADDR + 0x003A)
 556
 557 #define KDATA_ADC1_XFER0                (KDATA_BASE_ADDR + 0x003B)
 558 #define KDATA_ADC1_XFER_ENDMARK         (KDATA_BASE_ADDR + 0x003C)
 559 #define KDATA_ADC1_LEFT_VOLUME                  (KDATA_BASE_ADDR + 0x003D)
 560 #define KDATA_ADC1_RIGHT_VOLUME                 (KDATA_BASE_ADDR + 0x003E)
 561 #define KDATA_ADC1_LEFT_SUR_VOL                 (KDATA_BASE_ADDR + 0x003F)
 562 #define KDATA_ADC1_RIGHT_SUR_VOL                (KDATA_BASE_ADDR + 0x0040)
 563
 564 #define KDATA_ADC2_XFER0                (KDATA_BASE_ADDR + 0x0041)
 565 #define KDATA_ADC2_XFER_ENDMARK         (KDATA_BASE_ADDR + 0x0042)
 566 #define KDATA_ADC2_LEFT_VOLUME                  (KDATA_BASE_ADDR + 0x0043)
 567 #define KDATA_ADC2_RIGHT_VOLUME                 (KDATA_BASE_ADDR + 0x0044)
 568 #define KDATA_ADC2_LEFT_SUR_VOL                 (KDATA_BASE_ADDR + 0x0045)
 569 #define KDATA_ADC2_RIGHT_SUR_VOL                (KDATA_BASE_ADDR + 0x0046)
 570
 571 #define KDATA_CD_XFER0                                  (KDATA_BASE_ADDR + 0x0047)
 572 #define KDATA_CD_XFER_ENDMARK                   (KDATA_BASE_ADDR + 0x0048)
 573 #define KDATA_CD_LEFT_VOLUME                    (KDATA_BASE_ADDR + 0x0049)
 574 #define KDATA_CD_RIGHT_VOLUME                   (KDATA_BASE_ADDR + 0x004A)
 575 #define KDATA_CD_LEFT_SUR_VOL                   (KDATA_BASE_ADDR + 0x004B)
 576 #define KDATA_CD_RIGHT_SUR_VOL                  (KDATA_BASE_ADDR + 0x004C)
 577
 578 #define KDATA_MIC_XFER0                                 (KDATA_BASE_ADDR + 0x004D)
 579 #define KDATA_MIC_XFER_ENDMARK                  (KDATA_BASE_ADDR + 0x004E)
 580 #define KDATA_MIC_VOLUME                                (KDATA_BASE_ADDR + 0x004F)
 581 #define KDATA_MIC_SUR_VOL                               (KDATA_BASE_ADDR + 0x0050)
 582
 583 #define KDATA_I2S_XFER0                 (KDATA_BASE_ADDR + 0x0051)
 584 #define KDATA_I2S_XFER_ENDMARK          (KDATA_BASE_ADDR + 0x0052)
 585
 586 #define KDATA_CHI_XFER0                 (KDATA_BASE_ADDR + 0x0053)
 587 #define KDATA_CHI_XFER_ENDMARK          (KDATA_BASE_ADDR + 0x0054)
 588
 589 #define KDATA_SPDIF_XFER                (KDATA_BASE_ADDR + 0x0055)
 590 #define KDATA_SPDIF_CURRENT_FRAME       (KDATA_BASE_ADDR + 0x0056)
 591 #define KDATA_SPDIF_FRAME0              (KDATA_BASE_ADDR + 0x0057)
 592 #define KDATA_SPDIF_FRAME1              (KDATA_BASE_ADDR + 0x0058)
 593 #define KDATA_SPDIF_FRAME2              (KDATA_BASE_ADDR + 0x0059)
 594
 595 #define KDATA_SPDIF_REQUEST             (KDATA_BASE_ADDR + 0x005A)
 596 #define KDATA_SPDIF_TEMP                (KDATA_BASE_ADDR + 0x005B)
 597
 598 #define KDATA_SPDIFIN_XFER0             (KDATA_BASE_ADDR + 0x005C)
 599 #define KDATA_SPDIFIN_XFER_ENDMARK      (KDATA_BASE_ADDR + 0x005D)
 600 #define KDATA_SPDIFIN_INT_METER         (KDATA_BASE_ADDR + 0x005E)
 601
 602 #define KDATA_DSP_RESET_COUNT           (KDATA_BASE_ADDR + 0x005F)
 603 #define KDATA_DEBUG_OUTPUT              (KDATA_BASE_ADDR + 0x0060)
 604
 605 #define KDATA_KERNEL_ISR_LIST           (KDATA_BASE_ADDR + 0x0061)
 606
 607 #define KDATA_KERNEL_ISR_CBSR1          (KDATA_BASE_ADDR + 0x0062)
 608 #define KDATA_KERNEL_ISR_CBER1          (KDATA_BASE_ADDR + 0x0063)
 609 #define KDATA_KERNEL_ISR_CBCR           (KDATA_BASE_ADDR + 0x0064)
 610 #define KDATA_KERNEL_ISR_AR0            (KDATA_BASE_ADDR + 0x0065)
 611 #define KDATA_KERNEL_ISR_AR1            (KDATA_BASE_ADDR + 0x0066)
 612 #define KDATA_KERNEL_ISR_AR2            (KDATA_BASE_ADDR + 0x0067)
 613 #define KDATA_KERNEL_ISR_AR3            (KDATA_BASE_ADDR + 0x0068)
 614 #define KDATA_KERNEL_ISR_AR4            (KDATA_BASE_ADDR + 0x0069)
 615 #define KDATA_KERNEL_ISR_AR5            (KDATA_BASE_ADDR + 0x006A)
 616 #define KDATA_KERNEL_ISR_BRCR           (KDATA_BASE_ADDR + 0x006B)
 617 #define KDATA_KERNEL_ISR_PASR           (KDATA_BASE_ADDR + 0x006C)
 618 #define KDATA_KERNEL_ISR_PAER           (KDATA_BASE_ADDR + 0x006D)
 619
 620 #define KDATA_CLIENT_SCRATCH0           (KDATA_BASE_ADDR + 0x006E)
 621 #define KDATA_CLIENT_SCRATCH1           (KDATA_BASE_ADDR + 0x006F)
 622 #define KDATA_KERNEL_SCRATCH            (KDATA_BASE_ADDR + 0x0070)
 623 #define KDATA_KERNEL_ISR_SCRATCH        (KDATA_BASE_ADDR + 0x0071)
 624
 625 #define KDATA_OUEUE_LEFT                (KDATA_BASE_ADDR + 0x0072)
 626 #define KDATA_QUEUE_RIGHT               (KDATA_BASE_ADDR + 0x0073)
 627
 628 #define KDATA_ADC1_REQUEST              (KDATA_BASE_ADDR + 0x0074)
 629 #define KDATA_ADC2_REQUEST              (KDATA_BASE_ADDR + 0x0075)
 630 #define KDATA_CD_REQUEST                                (KDATA_BASE_ADDR + 0x0076)
 631 #define KDATA_MIC_REQUEST                               (KDATA_BASE_ADDR + 0x0077)
 632
 633 #define KDATA_ADC1_MIXER_REQUEST        (KDATA_BASE_ADDR + 0x0078)
 634 #define KDATA_ADC2_MIXER_REQUEST        (KDATA_BASE_ADDR + 0x0079)
 635 #define KDATA_CD_MIXER_REQUEST                  (KDATA_BASE_ADDR + 0x007A)
 636 #define KDATA_MIC_MIXER_REQUEST                 (KDATA_BASE_ADDR + 0x007B)
 637 #define KDATA_MIC_SYNC_COUNTER                  (KDATA_BASE_ADDR + 0x007C)
 638
 639 /*
 640  * second 'segment' (?) reserved for mixer
 641  * buffers..
 642  */
 643
 644 #define KDATA_MIXER_WORD0               (KDATA_BASE_ADDR2 + 0x0000)
 645 #define KDATA_MIXER_WORD1               (KDATA_BASE_ADDR2 + 0x0001)
 646 #define KDATA_MIXER_WORD2               (KDATA_BASE_ADDR2 + 0x0002)
 647 #define KDATA_MIXER_WORD3               (KDATA_BASE_ADDR2 + 0x0003)
 648 #define KDATA_MIXER_WORD4               (KDATA_BASE_ADDR2 + 0x0004)
 649 #define KDATA_MIXER_WORD5               (KDATA_BASE_ADDR2 + 0x0005)
 650 #define KDATA_MIXER_WORD6               (KDATA_BASE_ADDR2 + 0x0006)
 651 #define KDATA_MIXER_WORD7               (KDATA_BASE_ADDR2 + 0x0007)
 652 #define KDATA_MIXER_WORD8               (KDATA_BASE_ADDR2 + 0x0008)
 653 #define KDATA_MIXER_WORD9               (KDATA_BASE_ADDR2 + 0x0009)
 654 #define KDATA_MIXER_WORDA               (KDATA_BASE_ADDR2 + 0x000A)
 655 #define KDATA_MIXER_WORDB               (KDATA_BASE_ADDR2 + 0x000B)
 656 #define KDATA_MIXER_WORDC               (KDATA_BASE_ADDR2 + 0x000C)
 657 #define KDATA_MIXER_WORDD               (KDATA_BASE_ADDR2 + 0x000D)
 658 #define KDATA_MIXER_WORDE               (KDATA_BASE_ADDR2 + 0x000E)
 659 #define KDATA_MIXER_WORDF               (KDATA_BASE_ADDR2 + 0x000F)
 660
 661 #define KDATA_MIXER_XFER0               (KDATA_BASE_ADDR2 + 0x0010)
 662 #define KDATA_MIXER_XFER1               (KDATA_BASE_ADDR2 + 0x0011)
 663 #define KDATA_MIXER_XFER2               (KDATA_BASE_ADDR2 + 0x0012)
 664 #define KDATA_MIXER_XFER3               (KDATA_BASE_ADDR2 + 0x0013)
 665 #define KDATA_MIXER_XFER4               (KDATA_BASE_ADDR2 + 0x0014)
 666 #define KDATA_MIXER_XFER5               (KDATA_BASE_ADDR2 + 0x0015)
 667 #define KDATA_MIXER_XFER6               (KDATA_BASE_ADDR2 + 0x0016)
 668 #define KDATA_MIXER_XFER7               (KDATA_BASE_ADDR2 + 0x0017)
 669 #define KDATA_MIXER_XFER8               (KDATA_BASE_ADDR2 + 0x0018)
 670 #define KDATA_MIXER_XFER9               (KDATA_BASE_ADDR2 + 0x0019)
 671 #define KDATA_MIXER_XFER_ENDMARK        (KDATA_BASE_ADDR2 + 0x001A)
 672
 673 #define KDATA_MIXER_TASK_NUMBER         (KDATA_BASE_ADDR2 + 0x001B)
 674 #define KDATA_CURRENT_MIXER             (KDATA_BASE_ADDR2 + 0x001C)
 675 #define KDATA_MIXER_ACTIVE              (KDATA_BASE_ADDR2 + 0x001D)
 676 #define KDATA_MIXER_BANK_STATUS         (KDATA_BASE_ADDR2 + 0x001E)
 677 #define KDATA_DAC_LEFT_VOLUME           (KDATA_BASE_ADDR2 + 0x001F)
 678 #define KDATA_DAC_RIGHT_VOLUME          (KDATA_BASE_ADDR2 + 0x0020)
 679
 680 #define MAX_INSTANCE_MINISRC            (KDATA_INSTANCE_MINISRC_ENDMARK - KDATA_INSTANCE0_MINISRC)
 681 #define MAX_VIRTUAL_DMA_CHANNELS        (KDATA_DMA_XFER_ENDMARK - KDATA_DMA_XFER0)
 682 #define MAX_VIRTUAL_MIXER_CHANNELS      (KDATA_MIXER_XFER_ENDMARK - KDATA_MIXER_XFER0)
 683 #define MAX_VIRTUAL_ADC1_CHANNELS       (KDATA_ADC1_XFER_ENDMARK - KDATA_ADC1_XFER0)
 684
 685 /*
 686  * client data area offsets
 687  */
 688 #define CDATA_INSTANCE_READY            0x00
 689
 690 #define CDATA_HOST_SRC_ADDRL            0x01
 691 #define CDATA_HOST_SRC_ADDRH            0x02
 692 #define CDATA_HOST_SRC_END_PLUS_1L      0x03
 693 #define CDATA_HOST_SRC_END_PLUS_1H      0x04
 694 #define CDATA_HOST_SRC_CURRENTL         0x05
 695 #define CDATA_HOST_SRC_CURRENTH         0x06
 696
 697 #define CDATA_IN_BUF_CONNECT            0x07
 698 #define CDATA_OUT_BUF_CONNECT           0x08
 699
 700 #define CDATA_IN_BUF_BEGIN              0x09
 701 #define CDATA_IN_BUF_END_PLUS_1         0x0A
 702 #define CDATA_IN_BUF_HEAD               0x0B
 703 #define CDATA_IN_BUF_TAIL               0x0C
 704 #define CDATA_OUT_BUF_BEGIN             0x0D
 705 #define CDATA_OUT_BUF_END_PLUS_1        0x0E
 706 #define CDATA_OUT_BUF_HEAD              0x0F
 707 #define CDATA_OUT_BUF_TAIL              0x10
 708
 709 #define CDATA_DMA_CONTROL               0x11
 710 #define CDATA_RESERVED                  0x12
 711
 712 #define CDATA_FREQUENCY                 0x13
 713 #define CDATA_LEFT_VOLUME               0x14
 714 #define CDATA_RIGHT_VOLUME              0x15
 715 #define CDATA_LEFT_SUR_VOL              0x16
 716 #define CDATA_RIGHT_SUR_VOL             0x17
 717
 718 #define CDATA_HEADER_LEN                0x18
 719
 720 #define SRC3_DIRECTION_OFFSET           CDATA_HEADER_LEN
 721 #define SRC3_MODE_OFFSET                (CDATA_HEADER_LEN + 1)
 722 #define SRC3_WORD_LENGTH_OFFSET         (CDATA_HEADER_LEN + 2)
 723 #define SRC3_PARAMETER_OFFSET           (CDATA_HEADER_LEN + 3)
 724 #define SRC3_COEFF_ADDR_OFFSET          (CDATA_HEADER_LEN + 8)
 725 #define SRC3_FILTAP_ADDR_OFFSET         (CDATA_HEADER_LEN + 10)
 726 #define SRC3_TEMP_INBUF_ADDR_OFFSET     (CDATA_HEADER_LEN + 16)
 727 #define SRC3_TEMP_OUTBUF_ADDR_OFFSET    (CDATA_HEADER_LEN + 17)
 728
 729 #define MINISRC_IN_BUFFER_SIZE   ( 0x50 * 2 )
 730 #define MINISRC_OUT_BUFFER_SIZE  ( 0x50 * 2 * 2)
 731 #define MINISRC_OUT_BUFFER_SIZE  ( 0x50 * 2 * 2)
 732 #define MINISRC_TMP_BUFFER_SIZE  ( 112 + ( MINISRC_BIQUAD_STAGE * 3 + 4 ) * 2 * 2 )
 733 #define MINISRC_BIQUAD_STAGE    2
 734 #define MINISRC_COEF_LOC          0x175
 735
 736 #define DMACONTROL_BLOCK_MASK           0x000F
 737 #define  DMAC_BLOCK0_SELECTOR           0x0000
 738 #define  DMAC_BLOCK1_SELECTOR           0x0001
 739 #define  DMAC_BLOCK2_SELECTOR           0x0002
 740 #define  DMAC_BLOCK3_SELECTOR           0x0003
 741 #define  DMAC_BLOCK4_SELECTOR           0x0004
 742 #define  DMAC_BLOCK5_SELECTOR           0x0005
 743 #define  DMAC_BLOCK6_SELECTOR           0x0006
 744 #define  DMAC_BLOCK7_SELECTOR           0x0007
 745 #define  DMAC_BLOCK8_SELECTOR           0x0008
 746 #define  DMAC_BLOCK9_SELECTOR           0x0009
 747 #define  DMAC_BLOCKA_SELECTOR           0x000A
 748 #define  DMAC_BLOCKB_SELECTOR           0x000B
 749 #define  DMAC_BLOCKC_SELECTOR           0x000C
 750 #define  DMAC_BLOCKD_SELECTOR           0x000D
 751 #define  DMAC_BLOCKE_SELECTOR           0x000E
 752 #define  DMAC_BLOCKF_SELECTOR           0x000F
 753 #define DMACONTROL_PAGE_MASK            0x00F0
 754 #define  DMAC_PAGE0_SELECTOR            0x0030
 755 #define  DMAC_PAGE1_SELECTOR            0x0020
 756 #define  DMAC_PAGE2_SELECTOR            0x0010
 757 #define  DMAC_PAGE3_SELECTOR            0x0000
 758 #define DMACONTROL_AUTOREPEAT           0x1000
 759 #define DMACONTROL_STOPPED              0x2000
 760 #define DMACONTROL_DIRECTION            0x0100
 761
 762 /*
 763  * an arbitrary volume we set the internal
 764  * volume settings to so that the ac97 volume
 765  * range is a little less insane.  0x7fff is
 766  * max.
 767  */
 768 #define ARB_VOLUME ( 0x6800 )
 769
 770 /*
 771  */
 772
 773 struct m3_list {
 774         int curlen;
 775         int mem_addr;
 776         int max;
 777 };
 778
 779 struct m3_dma {
 780
 781         int number;
 782         struct snd_pcm_substream *substream;
 783
 784         struct assp_instance {
 785                 unsigned short code, data;
 786         } inst;
 787
 788         int running;
 789         int opened;
 790
 791         unsigned long buffer_addr;
 792         int dma_size;
 793         int period_size;
 794         unsigned int hwptr;
 795         int count;
 796
 797         int index[3];
 798         struct m3_list *index_list[3];
 799
 800         int in_lists;
 801
 802         struct list_head list;
 803
 804 };
 805
 806 struct snd_m3 {
 807
 808         struct snd_card *card;
 809
 810         unsigned long iobase;
 811
 812         int irq;
 813         unsigned int allegro_flag : 1;
 814
 815         struct snd_ac97 *ac97;
 816
 817         struct snd_pcm *pcm;
 818
 819         struct pci_dev *pci;
 820
 821         int dacs_active;
 822         int timer_users;
 823
 824         struct m3_list  msrc_list;
 825         struct m3_list  mixer_list;
 826         struct m3_list  adc1_list;
 827         struct m3_list  dma_list;
 828
 829         /* for storing reset state..*/
 830         u8 reset_state;
 831
 832         int external_amp;
 833         int amp_gpio;   /* gpio pin #  for external amp, -1 = default */
 834         unsigned int hv_config;         /* hardware-volume config bits */
 835         unsigned irda_workaround :1;    /* avoid to touch 0x10 on GPIO_DIRECTION
 836                                            (e.g. for IrDA on Dell Inspirons) */
 837         unsigned is_omnibook :1;        /* Do HP OmniBook GPIO magic? */
 838
 839         /* midi */
 840         struct snd_rawmidi *rmidi;
 841
 842         /* pcm streams */
 843         int num_substreams;
 844         struct m3_dma *substreams;
 845
 846         spinlock_t reg_lock;
 847         spinlock_t ac97_lock;
 848
 849         struct snd_kcontrol *master_switch;
 850         struct snd_kcontrol *master_volume;
 851         struct tasklet_struct hwvol_tq;
 852
 853 #ifdef CONFIG_PM
 854         u16 *suspend_mem;
 855 #endif
 856
 857         const struct firmware *assp_kernel_image;
 858         const struct firmware *assp_minisrc_image;
 859 };
 860
 861 /*
 862  * pci ids
 863  */
 864 static struct pci_device_id snd_m3_ids[] = {
 865         {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ALLEGRO_1, PCI_ANY_ID, PCI_ANY_ID,
 866          PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 867         {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ALLEGRO, PCI_ANY_ID, PCI_ANY_ID,
 868          PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 869         {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_CANYON3D_2LE, PCI_ANY_ID, PCI_ANY_ID,
 870          PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 871         {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_CANYON3D_2, PCI_ANY_ID, PCI_ANY_ID,
 872          PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 873         {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3, PCI_ANY_ID, PCI_ANY_ID,
 874          PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 875         {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_1, PCI_ANY_ID, PCI_ANY_ID,
 876          PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 877         {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_HW, PCI_ANY_ID, PCI_ANY_ID,
 878          PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 879         {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_2, PCI_ANY_ID, PCI_ANY_ID,
 880          PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 881         {0,},
 882 };
 883
 884 MODULE_DEVICE_TABLE(pci, snd_m3_ids);
 885
 886 static struct snd_pci_quirk m3_amp_quirk_list[] __devinitdata = {
 887         SND_PCI_QUIRK(0x10f7, 0x833e, "Panasonic CF-28", 0x0d),
 888         SND_PCI_QUIRK(0x10f7, 0x833d, "Panasonic CF-72", 0x0d),
 889         SND_PCI_QUIRK(0x1033, 0x80f1, "NEC LM800J/7", 0x03),
 890         SND_PCI_QUIRK(0x1509, 0x1740, "LEGEND ZhaoYang 3100CF", 0x03),
 891         { } /* END */
 892 };
 893
 894 static struct snd_pci_quirk m3_irda_quirk_list[] __devinitdata = {
 895         SND_PCI_QUIRK(0x1028, 0x00b0, "Dell Inspiron 4000", 1),
 896         SND_PCI_QUIRK(0x1028, 0x00a4, "Dell Inspiron 8000", 1),
 897         SND_PCI_QUIRK(0x1028, 0x00e6, "Dell Inspiron 8100", 1),
 898         { } /* END */
 899 };
 900
 901 /* hardware volume quirks */
 902 static struct snd_pci_quirk m3_hv_quirk_list[] __devinitdata = {
 903         /* Allegro chips */
 904         SND_PCI_QUIRK(0x0E11, 0x002E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 905         SND_PCI_QUIRK(0x0E11, 0x0094, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 906         SND_PCI_QUIRK(0x0E11, 0xB112, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 907         SND_PCI_QUIRK(0x0E11, 0xB114, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 908         SND_PCI_QUIRK(0x103C, 0x0012, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 909         SND_PCI_QUIRK(0x103C, 0x0018, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 910         SND_PCI_QUIRK(0x103C, 0x001C, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 911         SND_PCI_QUIRK(0x103C, 0x001D, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 912         SND_PCI_QUIRK(0x103C, 0x001E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 913         SND_PCI_QUIRK(0x107B, 0x3350, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 914         SND_PCI_QUIRK(0x10F7, 0x8338, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 915         SND_PCI_QUIRK(0x10F7, 0x833C, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 916         SND_PCI_QUIRK(0x10F7, 0x833D, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 917         SND_PCI_QUIRK(0x10F7, 0x833E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 918         SND_PCI_QUIRK(0x10F7, 0x833F, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 919         SND_PCI_QUIRK(0x13BD, 0x1018, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 920         SND_PCI_QUIRK(0x13BD, 0x1019, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 921         SND_PCI_QUIRK(0x13BD, 0x101A, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 922         SND_PCI_QUIRK(0x14FF, 0x0F03, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 923         SND_PCI_QUIRK(0x14FF, 0x0F04, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 924         SND_PCI_QUIRK(0x14FF, 0x0F05, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 925         SND_PCI_QUIRK(0x156D, 0xB400, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 926         SND_PCI_QUIRK(0x156D, 0xB795, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 927         SND_PCI_QUIRK(0x156D, 0xB797, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 928         SND_PCI_QUIRK(0x156D, 0xC700, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 929         SND_PCI_QUIRK(0x1033, 0x80F1, NULL,
 930                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 931         SND_PCI_QUIRK(0x103C, 0x001A, NULL, /* HP OmniBook 6100 */
 932                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 933         SND_PCI_QUIRK(0x107B, 0x340A, NULL,
 934                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 935         SND_PCI_QUIRK(0x107B, 0x3450, NULL,
 936                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 937         SND_PCI_QUIRK(0x109F, 0x3134, NULL,
 938                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 939         SND_PCI_QUIRK(0x109F, 0x3161, NULL,
 940                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 941         SND_PCI_QUIRK(0x144D, 0x3280, NULL,
 942                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 943         SND_PCI_QUIRK(0x144D, 0x3281, NULL,
 944                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 945         SND_PCI_QUIRK(0x144D, 0xC002, NULL,
 946                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 947         SND_PCI_QUIRK(0x144D, 0xC003, NULL,
 948                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 949         SND_PCI_QUIRK(0x1509, 0x1740, NULL,
 950                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 951         SND_PCI_QUIRK(0x1610, 0x0010, NULL,
 952                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 953         SND_PCI_QUIRK(0x1042, 0x1042, NULL, HV_CTRL_ENABLE),
 954         SND_PCI_QUIRK(0x107B, 0x9500, NULL, HV_CTRL_ENABLE),
 955         SND_PCI_QUIRK(0x14FF, 0x0F06, NULL, HV_CTRL_ENABLE),
 956         SND_PCI_QUIRK(0x1558, 0x8586, NULL, HV_CTRL_ENABLE),
 957         SND_PCI_QUIRK(0x161F, 0x2011, NULL, HV_CTRL_ENABLE),
 958         /* Maestro3 chips */
 959         SND_PCI_QUIRK(0x103C, 0x000E, NULL, HV_CTRL_ENABLE),
 960         SND_PCI_QUIRK(0x103C, 0x0010, NULL, HV_CTRL_ENABLE),
 961         SND_PCI_QUIRK(0x103C, 0x0011, NULL, HV_CTRL_ENABLE),
 962         SND_PCI_QUIRK(0x103C, 0x001B, NULL, HV_CTRL_ENABLE),
 963         SND_PCI_QUIRK(0x104D, 0x80A6, NULL, HV_CTRL_ENABLE),
 964         SND_PCI_QUIRK(0x104D, 0x80AA, NULL, HV_CTRL_ENABLE),
 965         SND_PCI_QUIRK(0x107B, 0x5300, NULL, HV_CTRL_ENABLE),
 966         SND_PCI_QUIRK(0x110A, 0x1998, NULL, HV_CTRL_ENABLE),
 967         SND_PCI_QUIRK(0x13BD, 0x1015, NULL, HV_CTRL_ENABLE),
 968         SND_PCI_QUIRK(0x13BD, 0x101C, NULL, HV_CTRL_ENABLE),
 969         SND_PCI_QUIRK(0x13BD, 0x1802, NULL, HV_CTRL_ENABLE),
 970         SND_PCI_QUIRK(0x1599, 0x0715, NULL, HV_CTRL_ENABLE),
 971         SND_PCI_QUIRK(0x5643, 0x5643, NULL, HV_CTRL_ENABLE),
 972         SND_PCI_QUIRK(0x144D, 0x3260, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
 973         SND_PCI_QUIRK(0x144D, 0x3261, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
 974         SND_PCI_QUIRK(0x144D, 0xC000, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
 975         SND_PCI_QUIRK(0x144D, 0xC001, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
 976         { } /* END */
 977 };
 978
 979 /* HP Omnibook quirks */
 980 static struct snd_pci_quirk m3_omnibook_quirk_list[] __devinitdata = {
 981         SND_PCI_QUIRK_ID(0x103c, 0x0010), /* HP OmniBook 6000 */
 982         SND_PCI_QUIRK_ID(0x103c, 0x0011), /* HP OmniBook 500 */
 983         { } /* END */
 984 };
 985
 986 /*
 987  * lowlevel functions
 988  */
 989
 990 static inline void snd_m3_outw(struct snd_m3 *chip, u16 value, unsigned long reg)
 991 {
 992         outw(value, chip->iobase + reg);
 993 }
 994
 995 static inline u16 snd_m3_inw(struct snd_m3 *chip, unsigned long reg)
 996 {
 997         return inw(chip->iobase + reg);
 998 }
 999
1000 static inline void snd_m3_outb(struct snd_m3 *chip, u8 value, unsigned long reg)
1001 {
1002         outb(value, chip->iobase + reg);
1003 }
1004
1005 static inline u8 snd_m3_inb(struct snd_m3 *chip, unsigned long reg)
1006 {
1007         return inb(chip->iobase + reg);
1008 }
1009
1010 /*
1011  * access 16bit words to the code or data regions of the dsp's memory.
1012  * index addresses 16bit words.
1013  */
1014 static u16 snd_m3_assp_read(struct snd_m3 *chip, u16 region, u16 index)
1015 {
1016         snd_m3_outw(chip, region & MEMTYPE_MASK, DSP_PORT_MEMORY_TYPE);
1017         snd_m3_outw(chip, index, DSP_PORT_MEMORY_INDEX);
1018         return snd_m3_inw(chip, DSP_PORT_MEMORY_DATA);
1019 }
1020
1021 static void snd_m3_assp_write(struct snd_m3 *chip, u16 region, u16 index, u16 data)
1022 {
1023         snd_m3_outw(chip, region & MEMTYPE_MASK, DSP_PORT_MEMORY_TYPE);
1024         snd_m3_outw(chip, index, DSP_PORT_MEMORY_INDEX);
1025         snd_m3_outw(chip, data, DSP_PORT_MEMORY_DATA);
1026 }
1027
1028 static void snd_m3_assp_halt(struct snd_m3 *chip)
1029 {
1030         chip->reset_state = snd_m3_inb(chip, DSP_PORT_CONTROL_REG_B) & ~REGB_STOP_CLOCK;
1031         msleep(10);
1032         snd_m3_outb(chip, chip->reset_state & ~REGB_ENABLE_RESET, DSP_PORT_CONTROL_REG_B);
1033 }
1034
1035 static void snd_m3_assp_continue(struct snd_m3 *chip)
1036 {
1037         snd_m3_outb(chip, chip->reset_state | REGB_ENABLE_RESET, DSP_PORT_CONTROL_REG_B);
1038 }
1039
1040
1041 /*
1042  * This makes me sad. the maestro3 has lists
1043  * internally that must be packed.. 0 terminates,
1044  * apparently, or maybe all unused entries have
1045  * to be 0, the lists have static lengths set
1046  * by the binary code images.
1047  */
1048
1049 static int snd_m3_add_list(struct snd_m3 *chip, struct m3_list *list, u16 val)
1050 {
1051         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1052                           list->mem_addr + list->curlen,
1053                           val);
1054         return list->curlen++;
1055 }
1056
1057 static void snd_m3_remove_list(struct snd_m3 *chip, struct m3_list *list, int index)
1058 {
1059         u16  val;
1060         int lastindex = list->curlen - 1;
1061
1062         if (index != lastindex) {
1063                 val = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1064                                        list->mem_addr + lastindex);
1065                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1066                                   list->mem_addr + index,
1067                                   val);
1068         }
1069
1070         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1071                           list->mem_addr + lastindex,
1072                           0);
1073
1074         list->curlen--;
1075 }
1076
1077 static void snd_m3_inc_timer_users(struct snd_m3 *chip)
1078 {
1079         chip->timer_users++;
1080         if (chip->timer_users != 1)
1081                 return;
1082
1083         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1084                           KDATA_TIMER_COUNT_RELOAD,
1085                           240);
1086
1087         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1088                           KDATA_TIMER_COUNT_CURRENT,
1089                           240);
1090
1091         snd_m3_outw(chip,
1092                     snd_m3_inw(chip, HOST_INT_CTRL) | CLKRUN_GEN_ENABLE,
1093                     HOST_INT_CTRL);
1094 }
1095
1096 static void snd_m3_dec_timer_users(struct snd_m3 *chip)
1097 {
1098         chip->timer_users--;
1099         if (chip->timer_users > 0)
1100                 return;
1101
1102         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1103                           KDATA_TIMER_COUNT_RELOAD,
1104                           0);
1105
1106         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1107                           KDATA_TIMER_COUNT_CURRENT,
1108                           0);
1109
1110         snd_m3_outw(chip,
1111                     snd_m3_inw(chip, HOST_INT_CTRL) & ~CLKRUN_GEN_ENABLE,
1112                     HOST_INT_CTRL);
1113 }
1114
1115 /*
1116  * start/stop
1117  */
1118
1119 /* spinlock held! */
1120 static int snd_m3_pcm_start(struct snd_m3 *chip, struct m3_dma *s,
1121                             struct snd_pcm_substream *subs)
1122 {
1123         if (! s || ! subs)
1124                 return -EINVAL;
1125
1126         snd_m3_inc_timer_users(chip);
1127         switch (subs->stream) {
1128         case SNDRV_PCM_STREAM_PLAYBACK:
1129                 chip->dacs_active++;
1130                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1131                                   s->inst.data + CDATA_INSTANCE_READY, 1);
1132                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1133                                   KDATA_MIXER_TASK_NUMBER,
1134                                   chip->dacs_active);
1135                 break;
1136         case SNDRV_PCM_STREAM_CAPTURE:
1137                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1138                                   KDATA_ADC1_REQUEST, 1);
1139                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1140                                   s->inst.data + CDATA_INSTANCE_READY, 1);
1141                 break;
1142         }
1143         return 0;
1144 }
1145
1146 /* spinlock held! */
1147 static int snd_m3_pcm_stop(struct snd_m3 *chip, struct m3_dma *s,
1148                            struct snd_pcm_substream *subs)
1149 {
1150         if (! s || ! subs)
1151                 return -EINVAL;
1152
1153         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1154                           s->inst.data + CDATA_INSTANCE_READY, 0);
1155         snd_m3_dec_timer_users(chip);
1156         switch (subs->stream) {
1157         case SNDRV_PCM_STREAM_PLAYBACK:
1158                 chip->dacs_active--;
1159                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1160                                   KDATA_MIXER_TASK_NUMBER,
1161                                   chip->dacs_active);
1162                 break;
1163         case SNDRV_PCM_STREAM_CAPTURE:
1164                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1165                                   KDATA_ADC1_REQUEST, 0);
1166                 break;
1167         }
1168         return 0;
1169 }
1170
1171 static int
1172 snd_m3_pcm_trigger(struct snd_pcm_substream *subs, int cmd)
1173 {
1174         struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1175         struct m3_dma *s = subs->runtime->private_data;
1176         int err = -EINVAL;
1177
1178         snd_assert(s != NULL, return -ENXIO);
1179
1180         spin_lock(&chip->reg_lock);
1181         switch (cmd) {
1182         case SNDRV_PCM_TRIGGER_START:
1183         case SNDRV_PCM_TRIGGER_RESUME:
1184                 if (s->running)
1185                         err = -EBUSY;
1186                 else {
1187                         s->running = 1;
1188                         err = snd_m3_pcm_start(chip, s, subs);
1189                 }
1190                 break;
1191         case SNDRV_PCM_TRIGGER_STOP:
1192         case SNDRV_PCM_TRIGGER_SUSPEND:
1193                 if (! s->running)
1194                         err = 0; /* should return error? */
1195                 else {
1196                         s->running = 0;
1197                         err = snd_m3_pcm_stop(chip, s, subs);
1198                 }
1199                 break;
1200         }
1201         spin_unlock(&chip->reg_lock);
1202         return err;
1203 }
1204
1205 /*
1206  * setup
1207  */
1208 static void
1209 snd_m3_pcm_setup1(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1210 {
1211         int dsp_in_size, dsp_out_size, dsp_in_buffer, dsp_out_buffer;
1212         struct snd_pcm_runtime *runtime = subs->runtime;
1213
1214         if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1215                 dsp_in_size = MINISRC_IN_BUFFER_SIZE - (0x20 * 2);
1216                 dsp_out_size = MINISRC_OUT_BUFFER_SIZE - (0x20 * 2);
1217         } else {
1218                 dsp_in_size = MINISRC_IN_BUFFER_SIZE - (0x10 * 2);
1219                 dsp_out_size = MINISRC_OUT_BUFFER_SIZE - (0x10 * 2);
1220         }
1221         dsp_in_buffer = s->inst.data + (MINISRC_TMP_BUFFER_SIZE / 2);
1222         dsp_out_buffer = dsp_in_buffer + (dsp_in_size / 2) + 1;
1223
1224         s->dma_size = frames_to_bytes(runtime, runtime->buffer_size);
1225         s->period_size = frames_to_bytes(runtime, runtime->period_size);
1226         s->hwptr = 0;
1227         s->count = 0;
1228
1229 #define LO(x) ((x) & 0xffff)
1230 #define HI(x) LO((x) >> 16)
1231
1232         /* host dma buffer pointers */
1233         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1234                           s->inst.data + CDATA_HOST_SRC_ADDRL,
1235                           LO(s->buffer_addr));
1236
1237         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1238                           s->inst.data + CDATA_HOST_SRC_ADDRH,
1239                           HI(s->buffer_addr));
1240
1241         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1242                           s->inst.data + CDATA_HOST_SRC_END_PLUS_1L,
1243                           LO(s->buffer_addr + s->dma_size));
1244
1245         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1246                           s->inst.data + CDATA_HOST_SRC_END_PLUS_1H,
1247                           HI(s->buffer_addr + s->dma_size));
1248
1249         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1250                           s->inst.data + CDATA_HOST_SRC_CURRENTL,
1251                           LO(s->buffer_addr));
1252
1253         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1254                           s->inst.data + CDATA_HOST_SRC_CURRENTH,
1255                           HI(s->buffer_addr));
1256 #undef LO
1257 #undef HI
1258
1259         /* dsp buffers */
1260
1261         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1262                           s->inst.data + CDATA_IN_BUF_BEGIN,
1263                           dsp_in_buffer);
1264
1265         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1266                           s->inst.data + CDATA_IN_BUF_END_PLUS_1,
1267                           dsp_in_buffer + (dsp_in_size / 2));
1268
1269         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1270                           s->inst.data + CDATA_IN_BUF_HEAD,
1271                           dsp_in_buffer);
1272
1273         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1274                           s->inst.data + CDATA_IN_BUF_TAIL,
1275                           dsp_in_buffer);
1276
1277         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1278                           s->inst.data + CDATA_OUT_BUF_BEGIN,
1279                           dsp_out_buffer);
1280
1281         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1282                           s->inst.data + CDATA_OUT_BUF_END_PLUS_1,
1283                           dsp_out_buffer + (dsp_out_size / 2));
1284
1285         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1286                           s->inst.data + CDATA_OUT_BUF_HEAD,
1287                           dsp_out_buffer);
1288
1289         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1290                           s->inst.data + CDATA_OUT_BUF_TAIL,
1291                           dsp_out_buffer);
1292 }
1293
1294 static void snd_m3_pcm_setup2(struct snd_m3 *chip, struct m3_dma *s,
1295                               struct snd_pcm_runtime *runtime)
1296 {
1297         u32 freq;
1298
1299         /*
1300          * put us in the lists if we're not already there
1301          */
1302         if (! s->in_lists) {
1303                 s->index[0] = snd_m3_add_list(chip, s->index_list[0],
1304                                               s->inst.data >> DP_SHIFT_COUNT);
1305                 s->index[1] = snd_m3_add_list(chip, s->index_list[1],
1306                                               s->inst.data >> DP_SHIFT_COUNT);
1307                 s->index[2] = snd_m3_add_list(chip, s->index_list[2],
1308                                               s->inst.data >> DP_SHIFT_COUNT);
1309                 s->in_lists = 1;
1310         }
1311
1312         /* write to 'mono' word */
1313         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1314                           s->inst.data + SRC3_DIRECTION_OFFSET + 1,
1315                           runtime->channels == 2 ? 0 : 1);
1316         /* write to '8bit' word */
1317         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1318                           s->inst.data + SRC3_DIRECTION_OFFSET + 2,
1319                           snd_pcm_format_width(runtime->format) == 16 ? 0 : 1);
1320
1321         /* set up dac/adc rate */
1322         freq = ((runtime->rate << 15) + 24000 ) / 48000;
1323         if (freq)
1324                 freq--;
1325
1326         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1327                           s->inst.data + CDATA_FREQUENCY,
1328                           freq);
1329 }
1330
1331
1332 static const struct play_vals {
1333         u16 addr, val;
1334 } pv[] = {
1335         {CDATA_LEFT_VOLUME, ARB_VOLUME},
1336         {CDATA_RIGHT_VOLUME, ARB_VOLUME},
1337         {SRC3_DIRECTION_OFFSET, 0} ,
1338         /* +1, +2 are stereo/16 bit */
1339         {SRC3_DIRECTION_OFFSET + 3, 0x0000}, /* fraction? */
1340         {SRC3_DIRECTION_OFFSET + 4, 0}, /* first l */
1341         {SRC3_DIRECTION_OFFSET + 5, 0}, /* first r */
1342         {SRC3_DIRECTION_OFFSET + 6, 0}, /* second l */
1343         {SRC3_DIRECTION_OFFSET + 7, 0}, /* second r */
1344         {SRC3_DIRECTION_OFFSET + 8, 0}, /* delta l */
1345         {SRC3_DIRECTION_OFFSET + 9, 0}, /* delta r */
1346         {SRC3_DIRECTION_OFFSET + 10, 0x8000}, /* round */
1347         {SRC3_DIRECTION_OFFSET + 11, 0xFF00}, /* higher bute mark */
1348         {SRC3_DIRECTION_OFFSET + 13, 0}, /* temp0 */
1349         {SRC3_DIRECTION_OFFSET + 14, 0}, /* c fraction */
1350         {SRC3_DIRECTION_OFFSET + 15, 0}, /* counter */
1351         {SRC3_DIRECTION_OFFSET + 16, 8}, /* numin */
1352         {SRC3_DIRECTION_OFFSET + 17, 50*2}, /* numout */
1353         {SRC3_DIRECTION_OFFSET + 18, MINISRC_BIQUAD_STAGE - 1}, /* numstage */
1354         {SRC3_DIRECTION_OFFSET + 20, 0}, /* filtertap */
1355         {SRC3_DIRECTION_OFFSET + 21, 0} /* booster */
1356 };
1357
1358
1359 /* the mode passed should be already shifted and masked */
1360 static void
1361 snd_m3_playback_setup(struct snd_m3 *chip, struct m3_dma *s,
1362                       struct snd_pcm_substream *subs)
1363 {
1364         unsigned int i;
1365
1366         /*
1367          * some per client initializers
1368          */
1369
1370         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1371                           s->inst.data + SRC3_DIRECTION_OFFSET + 12,
1372                           s->inst.data + 40 + 8);
1373
1374         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1375                           s->inst.data + SRC3_DIRECTION_OFFSET + 19,
1376                           s->inst.code + MINISRC_COEF_LOC);
1377
1378         /* enable or disable low pass filter? */
1379         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1380                           s->inst.data + SRC3_DIRECTION_OFFSET + 22,
1381                           subs->runtime->rate > 45000 ? 0xff : 0);
1382
1383         /* tell it which way dma is going? */
1384         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1385                           s->inst.data + CDATA_DMA_CONTROL,
1386                           DMACONTROL_AUTOREPEAT + DMAC_PAGE3_SELECTOR + DMAC_BLOCKF_SELECTOR);
1387
1388         /*
1389          * set an armload of static initializers
1390          */
1391         for (i = 0; i < ARRAY_SIZE(pv); i++)
1392                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1393                                   s->inst.data + pv[i].addr, pv[i].val);
1394 }
1395
1396 /*
1397  *    Native record driver
1398  */
1399 static const struct rec_vals {
1400         u16 addr, val;
1401 } rv[] = {
1402         {CDATA_LEFT_VOLUME, ARB_VOLUME},
1403         {CDATA_RIGHT_VOLUME, ARB_VOLUME},
1404         {SRC3_DIRECTION_OFFSET, 1} ,
1405         /* +1, +2 are stereo/16 bit */
1406         {SRC3_DIRECTION_OFFSET + 3, 0x0000}, /* fraction? */
1407         {SRC3_DIRECTION_OFFSET + 4, 0}, /* first l */
1408         {SRC3_DIRECTION_OFFSET + 5, 0}, /* first r */
1409         {SRC3_DIRECTION_OFFSET + 6, 0}, /* second l */
1410         {SRC3_DIRECTION_OFFSET + 7, 0}, /* second r */
1411         {SRC3_DIRECTION_OFFSET + 8, 0}, /* delta l */
1412         {SRC3_DIRECTION_OFFSET + 9, 0}, /* delta r */
1413         {SRC3_DIRECTION_OFFSET + 10, 0x8000}, /* round */
1414         {SRC3_DIRECTION_OFFSET + 11, 0xFF00}, /* higher bute mark */
1415         {SRC3_DIRECTION_OFFSET + 13, 0}, /* temp0 */
1416         {SRC3_DIRECTION_OFFSET + 14, 0}, /* c fraction */
1417         {SRC3_DIRECTION_OFFSET + 15, 0}, /* counter */
1418         {SRC3_DIRECTION_OFFSET + 16, 50},/* numin */
1419         {SRC3_DIRECTION_OFFSET + 17, 8}, /* numout */
1420         {SRC3_DIRECTION_OFFSET + 18, 0}, /* numstage */
1421         {SRC3_DIRECTION_OFFSET + 19, 0}, /* coef */
1422         {SRC3_DIRECTION_OFFSET + 20, 0}, /* filtertap */
1423         {SRC3_DIRECTION_OFFSET + 21, 0}, /* booster */
1424         {SRC3_DIRECTION_OFFSET + 22, 0xff} /* skip lpf */
1425 };
1426
1427 static void
1428 snd_m3_capture_setup(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1429 {
1430         unsigned int i;
1431
1432         /*
1433          * some per client initializers
1434          */
1435
1436         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1437                           s->inst.data + SRC3_DIRECTION_OFFSET + 12,
1438                           s->inst.data + 40 + 8);
1439
1440         /* tell it which way dma is going? */
1441         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1442                           s->inst.data + CDATA_DMA_CONTROL,
1443                           DMACONTROL_DIRECTION + DMACONTROL_AUTOREPEAT +
1444                           DMAC_PAGE3_SELECTOR + DMAC_BLOCKF_SELECTOR);
1445
1446         /*
1447          * set an armload of static initializers
1448          */
1449         for (i = 0; i < ARRAY_SIZE(rv); i++)
1450                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1451                                   s->inst.data + rv[i].addr, rv[i].val);
1452 }
1453
1454 static int snd_m3_pcm_hw_params(struct snd_pcm_substream *substream,
1455                                 struct snd_pcm_hw_params *hw_params)
1456 {
1457         struct m3_dma *s = substream->runtime->private_data;
1458         int err;
1459
1460         if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
1461                 return err;
1462         /* set buffer address */
1463         s->buffer_addr = substream->runtime->dma_addr;
1464         if (s->buffer_addr & 0x3) {
1465                 snd_printk(KERN_ERR "oh my, not aligned\n");
1466                 s->buffer_addr = s->buffer_addr & ~0x3;
1467         }
1468         return 0;
1469 }
1470
1471 static int snd_m3_pcm_hw_free(struct snd_pcm_substream *substream)
1472 {
1473         struct m3_dma *s;
1474
1475         if (substream->runtime->private_data == NULL)
1476                 return 0;
1477         s = substream->runtime->private_data;
1478         snd_pcm_lib_free_pages(substream);
1479         s->buffer_addr = 0;
1480         return 0;
1481 }
1482
1483 static int
1484 snd_m3_pcm_prepare(struct snd_pcm_substream *subs)
1485 {
1486         struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1487         struct snd_pcm_runtime *runtime = subs->runtime;
1488         struct m3_dma *s = runtime->private_data;
1489
1490         snd_assert(s != NULL, return -ENXIO);
1491
1492         if (runtime->format != SNDRV_PCM_FORMAT_U8 &&
1493             runtime->format != SNDRV_PCM_FORMAT_S16_LE)
1494                 return -EINVAL;
1495         if (runtime->rate > 48000 ||
1496             runtime->rate < 8000)
1497                 return -EINVAL;
1498
1499         spin_lock_irq(&chip->reg_lock);
1500
1501         snd_m3_pcm_setup1(chip, s, subs);
1502
1503         if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK)
1504                 snd_m3_playback_setup(chip, s, subs);
1505         else
1506                 snd_m3_capture_setup(chip, s, subs);
1507
1508         snd_m3_pcm_setup2(chip, s, runtime);
1509
1510         spin_unlock_irq(&chip->reg_lock);
1511
1512         return 0;
1513 }
1514
1515 /*
1516  * get current pointer
1517  */
1518 static unsigned int
1519 snd_m3_get_pointer(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1520 {
1521         u16 hi = 0, lo = 0;
1522         int retry = 10;
1523         u32 addr;
1524
1525         /*
1526          * try and get a valid answer
1527          */
1528         while (retry--) {
1529                 hi =  snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1530                                        s->inst.data + CDATA_HOST_SRC_CURRENTH);
1531
1532                 lo = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1533                                       s->inst.data + CDATA_HOST_SRC_CURRENTL);
1534
1535                 if (hi == snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1536                                            s->inst.data + CDATA_HOST_SRC_CURRENTH))
1537                         break;
1538         }
1539         addr = lo | ((u32)hi<<16);
1540         return (unsigned int)(addr - s->buffer_addr);
1541 }
1542
1543 static snd_pcm_uframes_t
1544 snd_m3_pcm_pointer(struct snd_pcm_substream *subs)
1545 {
1546         struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1547         unsigned int ptr;
1548         struct m3_dma *s = subs->runtime->private_data;
1549         snd_assert(s != NULL, return 0);
1550
1551         spin_lock(&chip->reg_lock);
1552         ptr = snd_m3_get_pointer(chip, s, subs);
1553         spin_unlock(&chip->reg_lock);
1554         return bytes_to_frames(subs->runtime, ptr);
1555 }
1556
1557
1558 /* update pointer */
1559 /* spinlock held! */
1560 static void snd_m3_update_ptr(struct snd_m3 *chip, struct m3_dma *s)
1561 {
1562         struct snd_pcm_substream *subs = s->substream;
1563         unsigned int hwptr;
1564         int diff;
1565
1566         if (! s->running)
1567                 return;
1568
1569         hwptr = snd_m3_get_pointer(chip, s, subs);
1570
1571         /* try to avoid expensive modulo divisions */
1572         if (hwptr >= s->dma_size)
1573                 hwptr %= s->dma_size;
1574
1575         diff = s->dma_size + hwptr - s->hwptr;
1576         if (diff >= s->dma_size)
1577                 diff %= s->dma_size;
1578
1579         s->hwptr = hwptr;
1580         s->count += diff;
1581
1582         if (s->count >= (signed)s->period_size) {
1583
1584                 if (s->count < 2 * (signed)s->period_size)
1585                         s->count -= (signed)s->period_size;
1586                 else
1587                         s->count %= s->period_size;
1588
1589                 spin_unlock(&chip->reg_lock);
1590                 snd_pcm_period_elapsed(subs);
1591                 spin_lock(&chip->reg_lock);
1592         }
1593 }
1594
1595 static void snd_m3_update_hw_volume(unsigned long private_data)
1596 {
1597         struct snd_m3 *chip = (struct snd_m3 *) private_data;
1598         int x, val;
1599         unsigned long flags;
1600
1601         /* Figure out which volume control button was pushed,
1602            based on differences from the default register
1603            values. */
1604         x = inb(chip->iobase + SHADOW_MIX_REG_VOICE) & 0xee;
1605
1606         /* Reset the volume control registers. */
1607         outb(0x88, chip->iobase + SHADOW_MIX_REG_VOICE);
1608         outb(0x88, chip->iobase + HW_VOL_COUNTER_VOICE);
1609         outb(0x88, chip->iobase + SHADOW_MIX_REG_MASTER);
1610         outb(0x88, chip->iobase + HW_VOL_COUNTER_MASTER);
1611
1612         if (!chip->master_switch || !chip->master_volume)
1613                 return;
1614
1615         /* FIXME: we can't call snd_ac97_* functions since here is in tasklet. */
1616         spin_lock_irqsave(&chip->ac97_lock, flags);
1617
1618         val = chip->ac97->regs[AC97_MASTER_VOL];
1619         switch (x) {
1620         case 0x88:
1621                 /* mute */
1622                 val ^= 0x8000;
1623                 chip->ac97->regs[AC97_MASTER_VOL] = val;
1624                 outw(val, chip->iobase + CODEC_DATA);
1625                 outb(AC97_MASTER_VOL, chip->iobase + CODEC_COMMAND);
1626                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1627                                &chip->master_switch->id);
1628                 break;
1629         case 0xaa:
1630                 /* volume up */
1631                 if ((val & 0x7f) > 0)
1632                         val--;
1633                 if ((val & 0x7f00) > 0)
1634                         val -= 0x0100;
1635                 chip->ac97->regs[AC97_MASTER_VOL] = val;
1636                 outw(val, chip->iobase + CODEC_DATA);
1637                 outb(AC97_MASTER_VOL, chip->iobase + CODEC_COMMAND);
1638                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1639                                &chip->master_volume->id);
1640                 break;
1641         case 0x66:
1642                 /* volume down */
1643                 if ((val & 0x7f) < 0x1f)
1644                         val++;
1645                 if ((val & 0x7f00) < 0x1f00)
1646                         val += 0x0100;
1647                 chip->ac97->regs[AC97_MASTER_VOL] = val;
1648                 outw(val, chip->iobase + CODEC_DATA);
1649                 outb(AC97_MASTER_VOL, chip->iobase + CODEC_COMMAND);
1650                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1651                                &chip->master_volume->id);
1652                 break;
1653         }
1654         spin_unlock_irqrestore(&chip->ac97_lock, flags);
1655 }
1656
1657 static irqreturn_t snd_m3_interrupt(int irq, void *dev_id)
1658 {
1659         struct snd_m3 *chip = dev_id;
1660         u8 status;
1661         int i;
1662
1663         status = inb(chip->iobase + HOST_INT_STATUS);
1664
1665         if (status == 0xff)
1666                 return IRQ_NONE;
1667
1668         if (status & HV_INT_PENDING)
1669                 tasklet_hi_schedule(&chip->hwvol_tq);
1670
1671         /*
1672          * ack an assp int if its running
1673          * and has an int pending
1674          */
1675         if (status & ASSP_INT_PENDING) {
1676                 u8 ctl = inb(chip->iobase + ASSP_CONTROL_B);
1677                 if (!(ctl & STOP_ASSP_CLOCK)) {
1678                         ctl = inb(chip->iobase + ASSP_HOST_INT_STATUS);
1679                         if (ctl & DSP2HOST_REQ_TIMER) {
1680                                 outb(DSP2HOST_REQ_TIMER, chip->iobase + ASSP_HOST_INT_STATUS);
1681                                 /* update adc/dac info if it was a timer int */
1682                                 spin_lock(&chip->reg_lock);
1683                                 for (i = 0; i < chip->num_substreams; i++) {
1684                                         struct m3_dma *s = &chip->substreams[i];
1685                                         if (s->running)
1686                                                 snd_m3_update_ptr(chip, s);
1687                                 }
1688                                 spin_unlock(&chip->reg_lock);
1689                         }
1690                 }
1691         }
1692
1693 #if 0 /* TODO: not supported yet */
1694         if ((status & MPU401_INT_PENDING) && chip->rmidi)
1695                 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs);
1696 #endif
1697
1698         /* ack ints */
1699         outb(status, chip->iobase + HOST_INT_STATUS);
1700
1701         return IRQ_HANDLED;
1702 }
1703
1704
1705 /*
1706  */
1707
1708 static struct snd_pcm_hardware snd_m3_playback =
1709 {
1710         .info =                 (SNDRV_PCM_INFO_MMAP |
1711                                  SNDRV_PCM_INFO_INTERLEAVED |
1712                                  SNDRV_PCM_INFO_MMAP_VALID |
1713                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1714                                  /*SNDRV_PCM_INFO_PAUSE |*/
1715                                  SNDRV_PCM_INFO_RESUME),
1716         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1717         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1718         .rate_min =             8000,
1719         .rate_max =             48000,
1720         .channels_min =         1,
1721         .channels_max =         2,
1722         .buffer_bytes_max =     (512*1024),
1723         .period_bytes_min =     64,
1724         .period_bytes_max =     (512*1024),
1725         .periods_min =          1,
1726         .periods_max =          1024,
1727 };
1728
1729 static struct snd_pcm_hardware snd_m3_capture =
1730 {
1731         .info =                 (SNDRV_PCM_INFO_MMAP |
1732                                  SNDRV_PCM_INFO_INTERLEAVED |
1733                                  SNDRV_PCM_INFO_MMAP_VALID |
1734                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1735                                  /*SNDRV_PCM_INFO_PAUSE |*/
1736                                  SNDRV_PCM_INFO_RESUME),
1737         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1738         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1739         .rate_min =             8000,
1740         .rate_max =             48000,
1741         .channels_min =         1,
1742         .channels_max =         2,
1743         .buffer_bytes_max =     (512*1024),
1744         .period_bytes_min =     64,
1745         .period_bytes_max =     (512*1024),
1746         .periods_min =          1,
1747         .periods_max =          1024,
1748 };
1749
1750
1751 /*
1752  */
1753
1754 static int
1755 snd_m3_substream_open(struct snd_m3 *chip, struct snd_pcm_substream *subs)
1756 {
1757         int i;
1758         struct m3_dma *s;
1759
1760         spin_lock_irq(&chip->reg_lock);
1761         for (i = 0; i < chip->num_substreams; i++) {
1762                 s = &chip->substreams[i];
1763                 if (! s->opened)
1764                         goto __found;
1765         }
1766         spin_unlock_irq(&chip->reg_lock);
1767         return -ENOMEM;
1768 __found:
1769         s->opened = 1;
1770         s->running = 0;
1771         spin_unlock_irq(&chip->reg_lock);
1772
1773         subs->runtime->private_data = s;
1774         s->substream = subs;
1775
1776         /* set list owners */
1777         if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1778                 s->index_list[0] = &chip->mixer_list;
1779         } else
1780                 s->index_list[0] = &chip->adc1_list;
1781         s->index_list[1] = &chip->msrc_list;
1782         s->index_list[2] = &chip->dma_list;
1783
1784         return 0;
1785 }
1786
1787 static void
1788 snd_m3_substream_close(struct snd_m3 *chip, struct snd_pcm_substream *subs)
1789 {
1790         struct m3_dma *s = subs->runtime->private_data;
1791
1792         if (s == NULL)
1793                 return; /* not opened properly */
1794
1795         spin_lock_irq(&chip->reg_lock);
1796         if (s->substream && s->running)
1797                 snd_m3_pcm_stop(chip, s, s->substream); /* does this happen? */
1798         if (s->in_lists) {
1799                 snd_m3_remove_list(chip, s->index_list[0], s->index[0]);
1800                 snd_m3_remove_list(chip, s->index_list[1], s->index[1]);
1801                 snd_m3_remove_list(chip, s->index_list[2], s->index[2]);
1802                 s->in_lists = 0;
1803         }
1804         s->running = 0;
1805         s->opened = 0;
1806         spin_unlock_irq(&chip->reg_lock);
1807 }
1808
1809 static int
1810 snd_m3_playback_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_playback;
1820         snd_pcm_set_sync(subs);
1821
1822         return 0;
1823 }
1824
1825 static int
1826 snd_m3_playback_close(struct snd_pcm_substream *subs)
1827 {
1828         struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1829
1830         snd_m3_substream_close(chip, subs);
1831         return 0;
1832 }
1833
1834 static int
1835 snd_m3_capture_open(struct snd_pcm_substream *subs)
1836 {
1837         struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1838         struct snd_pcm_runtime *runtime = subs->runtime;
1839         int err;
1840
1841         if ((err = snd_m3_substream_open(chip, subs)) < 0)
1842                 return err;
1843
1844         runtime->hw = snd_m3_capture;
1845         snd_pcm_set_sync(subs);
1846
1847         return 0;
1848 }
1849
1850 static int
1851 snd_m3_capture_close(struct snd_pcm_substream *subs)
1852 {
1853         struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1854
1855         snd_m3_substream_close(chip, subs);
1856         return 0;
1857 }
1858
1859 /*
1860  * create pcm instance
1861  */
1862
1863 static struct snd_pcm_ops snd_m3_playback_ops = {
1864         .open =         snd_m3_playback_open,
1865         .close =        snd_m3_playback_close,
1866         .ioctl =        snd_pcm_lib_ioctl,
1867         .hw_params =    snd_m3_pcm_hw_params,
1868         .hw_free =      snd_m3_pcm_hw_free,
1869         .prepare =      snd_m3_pcm_prepare,
1870         .trigger =      snd_m3_pcm_trigger,
1871         .pointer =      snd_m3_pcm_pointer,
1872 };
1873
1874 static struct snd_pcm_ops snd_m3_capture_ops = {
1875         .open =         snd_m3_capture_open,
1876         .close =        snd_m3_capture_close,
1877         .ioctl =        snd_pcm_lib_ioctl,
1878         .hw_params =    snd_m3_pcm_hw_params,
1879         .hw_free =      snd_m3_pcm_hw_free,
1880         .prepare =      snd_m3_pcm_prepare,
1881         .trigger =      snd_m3_pcm_trigger,
1882         .pointer =      snd_m3_pcm_pointer,
1883 };
1884
1885 static int __devinit
1886 snd_m3_pcm(struct snd_m3 * chip, int device)
1887 {
1888         struct snd_pcm *pcm;
1889         int err;
1890
1891         err = snd_pcm_new(chip->card, chip->card->driver, device,
1892                           MAX_PLAYBACKS, MAX_CAPTURES, &pcm);
1893         if (err < 0)
1894                 return err;
1895
1896         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_m3_playback_ops);
1897         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_m3_capture_ops);
1898
1899         pcm->private_data = chip;
1900         pcm->info_flags = 0;
1901         strcpy(pcm->name, chip->card->driver);
1902         chip->pcm = pcm;
1903
1904         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1905                                               snd_dma_pci_data(chip->pci), 64*1024, 64*1024);
1906
1907         return 0;
1908 }
1909
1910
1911 /*
1912  * ac97 interface
1913  */
1914
1915 /*
1916  * Wait for the ac97 serial bus to be free.
1917  * return nonzero if the bus is still busy.
1918  */
1919 static int snd_m3_ac97_wait(struct snd_m3 *chip)
1920 {
1921         int i = 10000;
1922
1923         do {
1924                 if (! (snd_m3_inb(chip, 0x30) & 1))
1925                         return 0;
1926                 cpu_relax();
1927         } while (i-- > 0);
1928
1929         snd_printk(KERN_ERR "ac97 serial bus busy\n");
1930         return 1;
1931 }
1932
1933 static unsigned short
1934 snd_m3_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
1935 {
1936         struct snd_m3 *chip = ac97->private_data;
1937         unsigned long flags;
1938         unsigned short data = 0xffff;
1939
1940         if (snd_m3_ac97_wait(chip))
1941                 goto fail;
1942         spin_lock_irqsave(&chip->ac97_lock, flags);
1943         snd_m3_outb(chip, 0x80 | (reg & 0x7f), CODEC_COMMAND);
1944         if (snd_m3_ac97_wait(chip))
1945                 goto fail_unlock;
1946         data = snd_m3_inw(chip, CODEC_DATA);
1947 fail_unlock:
1948         spin_unlock_irqrestore(&chip->ac97_lock, flags);
1949 fail:
1950         return data;
1951 }
1952
1953 static void
1954 snd_m3_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val)
1955 {
1956         struct snd_m3 *chip = ac97->private_data;
1957         unsigned long flags;
1958
1959         if (snd_m3_ac97_wait(chip))
1960                 return;
1961         spin_lock_irqsave(&chip->ac97_lock, flags);
1962         snd_m3_outw(chip, val, CODEC_DATA);
1963         snd_m3_outb(chip, reg & 0x7f, CODEC_COMMAND);
1964         spin_unlock_irqrestore(&chip->ac97_lock, flags);
1965 }
1966
1967
1968 static void snd_m3_remote_codec_config(int io, int isremote)
1969 {
1970         isremote = isremote ? 1 : 0;
1971
1972         outw((inw(io + RING_BUS_CTRL_B) & ~SECOND_CODEC_ID_MASK) | isremote,
1973              io + RING_BUS_CTRL_B);
1974         outw((inw(io + SDO_OUT_DEST_CTRL) & ~COMMAND_ADDR_OUT) | isremote,
1975              io + SDO_OUT_DEST_CTRL);
1976         outw((inw(io + SDO_IN_DEST_CTRL) & ~STATUS_ADDR_IN) | isremote,
1977              io + SDO_IN_DEST_CTRL);
1978 }
1979
1980 /*
1981  * hack, returns non zero on err
1982  */
1983 static int snd_m3_try_read_vendor(struct snd_m3 *chip)
1984 {
1985         u16 ret;
1986
1987         if (snd_m3_ac97_wait(chip))
1988                 return 1;
1989
1990         snd_m3_outb(chip, 0x80 | (AC97_VENDOR_ID1 & 0x7f), 0x30);
1991
1992         if (snd_m3_ac97_wait(chip))
1993                 return 1;
1994
1995         ret = snd_m3_inw(chip, 0x32);
1996
1997         return (ret == 0) || (ret == 0xffff);
1998 }
1999
2000 static void snd_m3_ac97_reset(struct snd_m3 *chip)
2001 {
2002         u16 dir;
2003         int delay1 = 0, delay2 = 0, i;
2004         int io = chip->iobase;
2005
2006         if (chip->allegro_flag) {
2007                 /*
2008                  * the onboard codec on the allegro seems
2009                  * to want to wait a very long time before
2010                  * coming back to life
2011                  */
2012                 delay1 = 50;
2013                 delay2 = 800;
2014         } else {
2015                 /* maestro3 */
2016                 delay1 = 20;
2017                 delay2 = 500;
2018         }
2019
2020         for (i = 0; i < 5; i++) {
2021                 dir = inw(io + GPIO_DIRECTION);
2022                 if (!chip->irda_workaround)
2023                         dir |= 0x10; /* assuming pci bus master? */
2024
2025                 snd_m3_remote_codec_config(io, 0);
2026
2027                 outw(IO_SRAM_ENABLE, io + RING_BUS_CTRL_A);
2028                 udelay(20);
2029
2030                 outw(dir & ~GPO_PRIMARY_AC97 , io + GPIO_DIRECTION);
2031                 outw(~GPO_PRIMARY_AC97 , io + GPIO_MASK);
2032                 outw(0, io + GPIO_DATA);
2033                 outw(dir | GPO_PRIMARY_AC97, io + GPIO_DIRECTION);
2034
2035                 schedule_timeout_uninterruptible(msecs_to_jiffies(delay1));
2036
2037                 outw(GPO_PRIMARY_AC97, io + GPIO_DATA);
2038                 udelay(5);
2039                 /* ok, bring back the ac-link */
2040                 outw(IO_SRAM_ENABLE | SERIAL_AC_LINK_ENABLE, io + RING_BUS_CTRL_A);
2041                 outw(~0, io + GPIO_MASK);
2042
2043                 schedule_timeout_uninterruptible(msecs_to_jiffies(delay2));
2044
2045                 if (! snd_m3_try_read_vendor(chip))
2046                         break;
2047
2048                 delay1 += 10;
2049                 delay2 += 100;
2050
2051                 snd_printd("maestro3: retrying codec reset with delays of %d and %d ms\n",
2052                            delay1, delay2);
2053         }
2054
2055 #if 0
2056         /* more gung-ho reset that doesn't
2057          * seem to work anywhere :)
2058          */
2059         tmp = inw(io + RING_BUS_CTRL_A);
2060         outw(RAC_SDFS_ENABLE|LAC_SDFS_ENABLE, io + RING_BUS_CTRL_A);
2061         msleep(20);
2062         outw(tmp, io + RING_BUS_CTRL_A);
2063         msleep(50);
2064 #endif
2065 }
2066
2067 static int __devinit snd_m3_mixer(struct snd_m3 *chip)
2068 {
2069         struct snd_ac97_bus *pbus;
2070         struct snd_ac97_template ac97;
2071         struct snd_ctl_elem_id id;
2072         int err;
2073         static struct snd_ac97_bus_ops ops = {
2074                 .write = snd_m3_ac97_write,
2075                 .read = snd_m3_ac97_read,
2076         };
2077
2078         if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0)
2079                 return err;
2080
2081         memset(&ac97, 0, sizeof(ac97));
2082         ac97.private_data = chip;
2083         if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2084                 return err;
2085
2086         /* seems ac97 PCM needs initialization.. hack hack.. */
2087         snd_ac97_write(chip->ac97, AC97_PCM, 0x8000 | (15 << 8) | 15);
2088         schedule_timeout_uninterruptible(msecs_to_jiffies(100));
2089         snd_ac97_write(chip->ac97, AC97_PCM, 0);
2090
2091         memset(&id, 0, sizeof(id));
2092         id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2093         strcpy(id.name, "Master Playback Switch");
2094         chip->master_switch = snd_ctl_find_id(chip->card, &id);
2095         memset(&id, 0, sizeof(id));
2096         id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2097         strcpy(id.name, "Master Playback Volume");
2098         chip->master_volume = snd_ctl_find_id(chip->card, &id);
2099
2100         return 0;
2101 }
2102
2103
2104 #define FIRMWARE_IN_THE_KERNEL
2105
2106 #ifdef FIRMWARE_IN_THE_KERNEL
2107
2108 /*
2109  * DSP Code images
2110  */
2111
2112 static const u16 assp_kernel_image[] = {
2113     0x7980, 0x0030, 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x00FB, 0x7980, 0x00DD, 0x7980, 0x03B4,
2114     0x7980, 0x0332, 0x7980, 0x0287, 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x03B4,
2115     0x7980, 0x031A, 0x7980, 0x03B4, 0x7980, 0x022F, 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x03B4,
2116     0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x0063, 0x7980, 0x006B, 0x7980, 0x03B4, 0x7980, 0x03B4,
2117     0xBF80, 0x2C7C, 0x8806, 0x8804, 0xBE40, 0xBC20, 0xAE09, 0x1000, 0xAE0A, 0x0001, 0x6938, 0xEB08,
2118     0x0053, 0x695A, 0xEB08, 0x00D6, 0x0009, 0x8B88, 0x6980, 0xE388, 0x0036, 0xBE30, 0xBC20, 0x6909,
2119     0xB801, 0x9009, 0xBE41, 0xBE41, 0x6928, 0xEB88, 0x0078, 0xBE41, 0xBE40, 0x7980, 0x0038, 0xBE41,
2120     0xBE41, 0x903A, 0x6938, 0xE308, 0x0056, 0x903A, 0xBE41, 0xBE40, 0xEF00, 0x903A, 0x6939, 0xE308,
2121     0x005E, 0x903A, 0xEF00, 0x690B, 0x660C, 0xEF8C, 0x690A, 0x660C, 0x620B, 0x6609, 0xEF00, 0x6910,
2122     0x660F, 0xEF04, 0xE388, 0x0075, 0x690E, 0x660F, 0x6210, 0x660D, 0xEF00, 0x690E, 0x660D, 0xEF00,
2123     0xAE70, 0x0001, 0xBC20, 0xAE27, 0x0001, 0x6939, 0xEB08, 0x005D, 0x6926, 0xB801, 0x9026, 0x0026,
2124     0x8B88, 0x6980, 0xE388, 0x00CB, 0x9028, 0x0D28, 0x4211, 0xE100, 0x007A, 0x4711, 0xE100, 0x00A0,
2125     0x7A80, 0x0063, 0xB811, 0x660A, 0x6209, 0xE304, 0x007A, 0x0C0B, 0x4005, 0x100A, 0xBA01, 0x9012,
2126     0x0C12, 0x4002, 0x7980, 0x00AF, 0x7A80, 0x006B, 0xBE02, 0x620E, 0x660D, 0xBA10, 0xE344, 0x007A,
2127     0x0C10, 0x4005, 0x100E, 0xBA01, 0x9012, 0x0C12, 0x4002, 0x1003, 0xBA02, 0x9012, 0x0C12, 0x4000,
2128     0x1003, 0xE388, 0x00BA, 0x1004, 0x7980, 0x00BC, 0x1004, 0xBA01, 0x9012, 0x0C12, 0x4001, 0x0C05,
2129     0x4003, 0x0C06, 0x4004, 0x1011, 0xBFB0, 0x01FF, 0x9012, 0x0C12, 0x4006, 0xBC20, 0xEF00, 0xAE26,
2130     0x1028, 0x6970, 0xBFD0, 0x0001, 0x9070, 0xE388, 0x007A, 0xAE28, 0x0000, 0xEF00, 0xAE70, 0x0300,
2131     0x0C70, 0xB00C, 0xAE5A, 0x0000, 0xEF00, 0x7A80, 0x038A, 0x697F, 0xB801, 0x907F, 0x0056, 0x8B88,
2132     0x0CA0, 0xB008, 0xAF71, 0xB000, 0x4E71, 0xE200, 0x00F3, 0xAE56, 0x1057, 0x0056, 0x0CA0, 0xB008,
2133     0x8056, 0x7980, 0x03A1, 0x0810, 0xBFA0, 0x1059, 0xE304, 0x03A1, 0x8056, 0x7980, 0x03A1, 0x7A80,
2134     0x038A, 0xBF01, 0xBE43, 0xBE59, 0x907C, 0x6937, 0xE388, 0x010D, 0xBA01, 0xE308, 0x010C, 0xAE71,
2135     0x0004, 0x0C71, 0x5000, 0x6936, 0x9037, 0xBF0A, 0x109E, 0x8B8A, 0xAF80, 0x8014, 0x4C80, 0xBF0A,
2136     0x0560, 0xF500, 0xBF0A, 0x0520, 0xB900, 0xBB17, 0x90A0, 0x6917, 0xE388, 0x0148, 0x0D17, 0xE100,
2137     0x0127, 0xBF0C, 0x0578, 0xBF0D, 0x057C, 0x7980, 0x012B, 0xBF0C, 0x0538, 0xBF0D, 0x053C, 0x6900,
2138     0xE308, 0x0135, 0x8B8C, 0xBE59, 0xBB07, 0x90A0, 0xBC20, 0x7980, 0x0157, 0x030C, 0x8B8B, 0xB903,
2139     0x8809, 0xBEC6, 0x013E, 0x69AC, 0x90AB, 0x69AD, 0x90AB, 0x0813, 0x660A, 0xE344, 0x0144, 0x0309,
2140     0x830C, 0xBC20, 0x7980, 0x0157, 0x6955, 0xE388, 0x0157, 0x7C38, 0xBF0B, 0x0578, 0xF500, 0xBF0B,
2141     0x0538, 0xB907, 0x8809, 0xBEC6, 0x0156, 0x10AB, 0x90AA, 0x6974, 0xE388, 0x0163, 0xAE72, 0x0540,
2142     0xF500, 0xAE72, 0x0500, 0xAE61, 0x103B, 0x7A80, 0x02F6, 0x6978, 0xE388, 0x0182, 0x8B8C, 0xBF0C,
2143     0x0560, 0xE500, 0x7C40, 0x0814, 0xBA20, 0x8812, 0x733D, 0x7A80, 0x0380, 0x733E, 0x7A80, 0x0380,
2144     0x8B8C, 0xBF0C, 0x056C, 0xE500, 0x7C40, 0x0814, 0xBA2C, 0x8812, 0x733F, 0x7A80, 0x0380, 0x7340,
2145     0x7A80, 0x0380, 0x6975, 0xE388, 0x018E, 0xAE72, 0x0548, 0xF500, 0xAE72, 0x0508, 0xAE61, 0x1041,
2146     0x7A80, 0x02F6, 0x6979, 0xE388, 0x01AD, 0x8B8C, 0xBF0C, 0x0560, 0xE500, 0x7C40, 0x0814, 0xBA18,
2147     0x8812, 0x7343, 0x7A80, 0x0380, 0x7344, 0x7A80, 0x0380, 0x8B8C, 0xBF0C, 0x056C, 0xE500, 0x7C40,
2148     0x0814, 0xBA24, 0x8812, 0x7345, 0x7A80, 0x0380, 0x7346, 0x7A80, 0x0380, 0x6976, 0xE388, 0x01B9,
2149     0xAE72, 0x0558, 0xF500, 0xAE72, 0x0518, 0xAE61, 0x1047, 0x7A80, 0x02F6, 0x697A, 0xE388, 0x01D8,
2150     0x8B8C, 0xBF0C, 0x0560, 0xE500, 0x7C40, 0x0814, 0xBA08, 0x8812, 0x7349, 0x7A80, 0x0380, 0x734A,
2151     0x7A80, 0x0380, 0x8B8C, 0xBF0C, 0x056C, 0xE500, 0x7C40, 0x0814, 0xBA14, 0x8812, 0x734B, 0x7A80,
2152     0x0380, 0x734C, 0x7A80, 0x0380, 0xBC21, 0xAE1C, 0x1090, 0x8B8A, 0xBF0A, 0x0560, 0xE500, 0x7C40,
2153     0x0812, 0xB804, 0x8813, 0x8B8D, 0xBF0D, 0x056C, 0xE500, 0x7C40, 0x0815, 0xB804, 0x8811, 0x7A80,
2154     0x034A, 0x8B8A, 0xBF0A, 0x0560, 0xE500, 0x7C40, 0x731F, 0xB903, 0x8809, 0xBEC6, 0x01F9, 0x548A,
2155     0xBE03, 0x98A0, 0x7320, 0xB903, 0x8809, 0xBEC6, 0x0201, 0x548A, 0xBE03, 0x98A0, 0x1F20, 0x2F1F,
2156     0x9826, 0xBC20, 0x6935, 0xE388, 0x03A1, 0x6933, 0xB801, 0x9033, 0xBFA0, 0x02EE, 0xE308, 0x03A1,
2157     0x9033, 0xBF00, 0x6951, 0xE388, 0x021F, 0x7334, 0xBE80, 0x5760, 0xBE03, 0x9F7E, 0xBE59, 0x9034,
2158     0x697E, 0x0D51, 0x9013, 0xBC20, 0x695C, 0xE388, 0x03A1, 0x735E, 0xBE80, 0x5760, 0xBE03, 0x9F7E,
2159     0xBE59, 0x905E, 0x697E, 0x0D5C, 0x9013, 0x7980, 0x03A1, 0x7A80, 0x038A, 0xBF01, 0xBE43, 0x6977,
2160     0xE388, 0x024E, 0xAE61, 0x104D, 0x0061, 0x8B88, 0x6980, 0xE388, 0x024E, 0x9071, 0x0D71, 0x000B,
2161     0xAFA0, 0x8010, 0xAFA0, 0x8010, 0x0810, 0x660A, 0xE308, 0x0249, 0x0009, 0x0810, 0x660C, 0xE388,
2162     0x024E, 0x800B, 0xBC20, 0x697B, 0xE388, 0x03A1, 0xBF0A, 0x109E, 0x8B8A, 0xAF80, 0x8014, 0x4C80,
2163     0xE100, 0x0266, 0x697C, 0xBF90, 0x0560, 0x9072, 0x0372, 0x697C, 0xBF90, 0x0564, 0x9073, 0x0473,
2164     0x7980, 0x0270, 0x697C, 0xBF90, 0x0520, 0x9072, 0x0372, 0x697C, 0xBF90, 0x0524, 0x9073, 0x0473,
2165     0x697C, 0xB801, 0x907C, 0xBF0A, 0x10FD, 0x8B8A, 0xAF80, 0x8010, 0x734F, 0x548A, 0xBE03, 0x9880,
2166     0xBC21, 0x7326, 0x548B, 0xBE03, 0x618B, 0x988C, 0xBE03, 0x6180, 0x9880, 0x7980, 0x03A1, 0x7A80,
2167     0x038A, 0x0D28, 0x4711, 0xE100, 0x02BE, 0xAF12, 0x4006, 0x6912, 0xBFB0, 0x0C00, 0xE388, 0x02B6,
2168     0xBFA0, 0x0800, 0xE388, 0x02B2, 0x6912, 0xBFB0, 0x0C00, 0xBFA0, 0x0400, 0xE388, 0x02A3, 0x6909,
2169     0x900B, 0x7980, 0x02A5, 0xAF0B, 0x4005, 0x6901, 0x9005, 0x6902, 0x9006, 0x4311, 0xE100, 0x02ED,
2170     0x6911, 0xBFC0, 0x2000, 0x9011, 0x7980, 0x02ED, 0x6909, 0x900B, 0x7980, 0x02B8, 0xAF0B, 0x4005,
2171     0xAF05, 0x4003, 0xAF06, 0x4004, 0x7980, 0x02ED, 0xAF12, 0x4006, 0x6912, 0xBFB0, 0x0C00, 0xE388,
2172     0x02E7, 0xBFA0, 0x0800, 0xE388, 0x02E3, 0x6912, 0xBFB0, 0x0C00, 0xBFA0, 0x0400, 0xE388, 0x02D4,
2173     0x690D, 0x9010, 0x7980, 0x02D6, 0xAF10, 0x4005, 0x6901, 0x9005, 0x6902, 0x9006, 0x4311, 0xE100,
2174     0x02ED, 0x6911, 0xBFC0, 0x2000, 0x9011, 0x7980, 0x02ED, 0x690D, 0x9010, 0x7980, 0x02E9, 0xAF10,
2175     0x4005, 0xAF05, 0x4003, 0xAF06, 0x4004, 0xBC20, 0x6970, 0x9071, 0x7A80, 0x0078, 0x6971, 0x9070,
2176     0x7980, 0x03A1, 0xBC20, 0x0361, 0x8B8B, 0x6980, 0xEF88, 0x0272, 0x0372, 0x7804, 0x9071, 0x0D71,
2177     0x8B8A, 0x000B, 0xB903, 0x8809, 0xBEC6, 0x0309, 0x69A8, 0x90AB, 0x69A8, 0x90AA, 0x0810, 0x660A,
2178     0xE344, 0x030F, 0x0009, 0x0810, 0x660C, 0xE388, 0x0314, 0x800B, 0xBC20, 0x6961, 0xB801, 0x9061,
2179     0x7980, 0x02F7, 0x7A80, 0x038A, 0x5D35, 0x0001, 0x6934, 0xB801, 0x9034, 0xBF0A, 0x109E, 0x8B8A,
2180     0xAF80, 0x8014, 0x4880, 0xAE72, 0x0550, 0xF500, 0xAE72, 0x0510, 0xAE61, 0x1051, 0x7A80, 0x02F6,
2181     0x7980, 0x03A1, 0x7A80, 0x038A, 0x5D35, 0x0002, 0x695E, 0xB801, 0x905E, 0xBF0A, 0x109E, 0x8B8A,
2182     0xAF80, 0x8014, 0x4780, 0xAE72, 0x0558, 0xF500, 0xAE72, 0x0518, 0xAE61, 0x105C, 0x7A80, 0x02F6,
2183     0x7980, 0x03A1, 0x001C, 0x8B88, 0x6980, 0xEF88, 0x901D, 0x0D1D, 0x100F, 0x6610, 0xE38C, 0x0358,
2184     0x690E, 0x6610, 0x620F, 0x660D, 0xBA0F, 0xE301, 0x037A, 0x0410, 0x8B8A, 0xB903, 0x8809, 0xBEC6,
2185     0x036C, 0x6A8C, 0x61AA, 0x98AB, 0x6A8C, 0x61AB, 0x98AD, 0x6A8C, 0x61AD, 0x98A9, 0x6A8C, 0x61A9,
2186     0x98AA, 0x7C04, 0x8B8B, 0x7C04, 0x8B8D, 0x7C04, 0x8B89, 0x7C04, 0x0814, 0x660E, 0xE308, 0x0379,
2187     0x040D, 0x8410, 0xBC21, 0x691C, 0xB801, 0x901C, 0x7980, 0x034A, 0xB903, 0x8809, 0x8B8A, 0xBEC6,
2188     0x0388, 0x54AC, 0xBE03, 0x618C, 0x98AA, 0xEF00, 0xBC20, 0xBE46, 0x0809, 0x906B, 0x080A, 0x906C,
2189     0x080B, 0x906D, 0x081A, 0x9062, 0x081B, 0x9063, 0x081E, 0x9064, 0xBE59, 0x881E, 0x8065, 0x8166,
2190     0x8267, 0x8368, 0x8469, 0x856A, 0xEF00, 0xBC20, 0x696B, 0x8809, 0x696C, 0x880A, 0x696D, 0x880B,
2191     0x6962, 0x881A, 0x6963, 0x881B, 0x6964, 0x881E, 0x0065, 0x0166, 0x0267, 0x0368, 0x0469, 0x056A,
2192     0xBE3A,
2193 };
2194
2195 /*
2196  * Mini sample rate converter code image
2197  * that is to be loaded at 0x400 on the DSP.
2198  */
2199 static const u16 assp_minisrc_image[] = {
2200
2201     0xBF80, 0x101E, 0x906E, 0x006E, 0x8B88, 0x6980, 0xEF88, 0x906F, 0x0D6F, 0x6900, 0xEB08, 0x0412,
2202     0xBC20, 0x696E, 0xB801, 0x906E, 0x7980, 0x0403, 0xB90E, 0x8807, 0xBE43, 0xBF01, 0xBE47, 0xBE41,
2203     0x7A80, 0x002A, 0xBE40, 0x3029, 0xEFCC, 0xBE41, 0x7A80, 0x0028, 0xBE40, 0x3028, 0xEFCC, 0x6907,
2204     0xE308, 0x042A, 0x6909, 0x902C, 0x7980, 0x042C, 0x690D, 0x902C, 0x1009, 0x881A, 0x100A, 0xBA01,
2205     0x881B, 0x100D, 0x881C, 0x100E, 0xBA01, 0x881D, 0xBF80, 0x00ED, 0x881E, 0x050C, 0x0124, 0xB904,
2206     0x9027, 0x6918, 0xE308, 0x04B3, 0x902D, 0x6913, 0xBFA0, 0x7598, 0xF704, 0xAE2D, 0x00FF, 0x8B8D,
2207     0x6919, 0xE308, 0x0463, 0x691A, 0xE308, 0x0456, 0xB907, 0x8809, 0xBEC6, 0x0453, 0x10A9, 0x90AD,
2208     0x7980, 0x047C, 0xB903, 0x8809, 0xBEC6, 0x0460, 0x1889, 0x6C22, 0x90AD, 0x10A9, 0x6E23, 0x6C22,
2209     0x90AD, 0x7980, 0x047C, 0x101A, 0xE308, 0x046F, 0xB903, 0x8809, 0xBEC6, 0x046C, 0x10A9, 0x90A0,
2210     0x90AD, 0x7980, 0x047C, 0xB901, 0x8809, 0xBEC6, 0x047B, 0x1889, 0x6C22, 0x90A0, 0x90AD, 0x10A9,
2211     0x6E23, 0x6C22, 0x90A0, 0x90AD, 0x692D, 0xE308, 0x049C, 0x0124, 0xB703, 0xB902, 0x8818, 0x8B89,
2212     0x022C, 0x108A, 0x7C04, 0x90A0, 0x692B, 0x881F, 0x7E80, 0x055B, 0x692A, 0x8809, 0x8B89, 0x99A0,
2213     0x108A, 0x90A0, 0x692B, 0x881F, 0x7E80, 0x055B, 0x692A, 0x8809, 0x8B89, 0x99AF, 0x7B99, 0x0484,
2214     0x0124, 0x060F, 0x101B, 0x2013, 0x901B, 0xBFA0, 0x7FFF, 0xE344, 0x04AC, 0x901B, 0x8B89, 0x7A80,
2215     0x051A, 0x6927, 0xBA01, 0x9027, 0x7A80, 0x0523, 0x6927, 0xE308, 0x049E, 0x7980, 0x050F, 0x0624,
2216     0x1026, 0x2013, 0x9026, 0xBFA0, 0x7FFF, 0xE304, 0x04C0, 0x8B8D, 0x7A80, 0x051A, 0x7980, 0x04B4,
2217     0x9026, 0x1013, 0x3026, 0x901B, 0x8B8D, 0x7A80, 0x051A, 0x7A80, 0x0523, 0x1027, 0xBA01, 0x9027,
2218     0xE308, 0x04B4, 0x0124, 0x060F, 0x8B89, 0x691A, 0xE308, 0x04EA, 0x6919, 0xE388, 0x04E0, 0xB903,
2219     0x8809, 0xBEC6, 0x04DD, 0x1FA0, 0x2FAE, 0x98A9, 0x7980, 0x050F, 0xB901, 0x8818, 0xB907, 0x8809,
2220     0xBEC6, 0x04E7, 0x10EE, 0x90A9, 0x7980, 0x050F, 0x6919, 0xE308, 0x04FE, 0xB903, 0x8809, 0xBE46,
2221     0xBEC6, 0x04FA, 0x17A0, 0xBE1E, 0x1FAE, 0xBFBF, 0xFF00, 0xBE13, 0xBFDF, 0x8080, 0x99A9, 0xBE47,
2222     0x7980, 0x050F, 0xB901, 0x8809, 0xBEC6, 0x050E, 0x16A0, 0x26A0, 0xBFB7, 0xFF00, 0xBE1E, 0x1EA0,
2223     0x2EAE, 0xBFBF, 0xFF00, 0xBE13, 0xBFDF, 0x8080, 0x99A9, 0x850C, 0x860F, 0x6907, 0xE388, 0x0516,
2224     0x0D07, 0x8510, 0xBE59, 0x881E, 0xBE4A, 0xEF00, 0x101E, 0x901C, 0x101F, 0x901D, 0x10A0, 0x901E,
2225     0x10A0, 0x901F, 0xEF00, 0x101E, 0x301C, 0x9020, 0x731B, 0x5420, 0xBE03, 0x9825, 0x1025, 0x201C,
2226     0x9025, 0x7325, 0x5414, 0xBE03, 0x8B8E, 0x9880, 0x692F, 0xE388, 0x0539, 0xBE59, 0xBB07, 0x6180,
2227     0x9880, 0x8BA0, 0x101F, 0x301D, 0x9021, 0x731B, 0x5421, 0xBE03, 0x982E, 0x102E, 0x201D, 0x902E,
2228     0x732E, 0x5415, 0xBE03, 0x9880, 0x692F, 0xE388, 0x054F, 0xBE59, 0xBB07, 0x6180, 0x9880, 0x8BA0,
2229     0x6918, 0xEF08, 0x7325, 0x5416, 0xBE03, 0x98A0, 0x732E, 0x5417, 0xBE03, 0x98A0, 0xEF00, 0x8BA0,
2230     0xBEC6, 0x056B, 0xBE59, 0xBB04, 0xAA90, 0xBE04, 0xBE1E, 0x99E0, 0x8BE0, 0x69A0, 0x90D0, 0x69A0,
2231     0x90D0, 0x081F, 0xB805, 0x881F, 0x8B90, 0x69A0, 0x90D0, 0x69A0, 0x9090, 0x8BD0, 0x8BD8, 0xBE1F,
2232     0xEF00, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
2233     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
2234 };
2235
2236 static const struct firmware assp_kernel = {
2237         .data = (u8 *)assp_kernel_image,
2238         .size = sizeof assp_kernel_image
2239 };
2240 static const struct firmware assp_minisrc = {
2241         .data = (u8 *)assp_minisrc_image,
2242         .size = sizeof assp_minisrc_image
2243 };
2244
2245 #endif /* FIRMWARE_IN_THE_KERNEL */
2246
2247 #ifdef __LITTLE_ENDIAN
2248 static inline void snd_m3_convert_from_le(const struct firmware *fw) { }
2249 #else
2250 static void snd_m3_convert_from_le(const struct firmware *fw)
2251 {
2252         int i;
2253         u16 *data = (u16 *)fw->data;
2254
2255         for (i = 0; i < fw->size / 2; ++i)
2256                 le16_to_cpus(&data[i]);
2257 }
2258 #endif
2259
2260
2261 /*
2262  * initialize ASSP
2263  */
2264
2265 #define MINISRC_LPF_LEN 10
2266 static const u16 minisrc_lpf[MINISRC_LPF_LEN] = {
2267         0X0743, 0X1104, 0X0A4C, 0XF88D, 0X242C,
2268         0X1023, 0X1AA9, 0X0B60, 0XEFDD, 0X186F
2269 };
2270
2271 static void snd_m3_assp_init(struct snd_m3 *chip)
2272 {
2273         unsigned int i;
2274         u16 *data;
2275
2276         /* zero kernel data */
2277         for (i = 0; i < (REV_B_DATA_MEMORY_UNIT_LENGTH * NUM_UNITS_KERNEL_DATA) / 2; i++)
2278                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2279                                   KDATA_BASE_ADDR + i, 0);
2280
2281         /* zero mixer data? */
2282         for (i = 0; i < (REV_B_DATA_MEMORY_UNIT_LENGTH * NUM_UNITS_KERNEL_DATA) / 2; i++)
2283                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2284                                   KDATA_BASE_ADDR2 + i, 0);
2285
2286         /* init dma pointer */
2287         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2288                           KDATA_CURRENT_DMA,
2289                           KDATA_DMA_XFER0);
2290
2291         /* write kernel into code memory.. */
2292         data = (u16 *)chip->assp_kernel_image->data;
2293         for (i = 0 ; i * 2 < chip->assp_kernel_image->size; i++) {
2294                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2295                                   REV_B_CODE_MEMORY_BEGIN + i, data[i]);
2296         }
2297
2298         /*
2299          * We only have this one client and we know that 0x400
2300          * is free in our kernel's mem map, so lets just
2301          * drop it there.  It seems that the minisrc doesn't
2302          * need vectors, so we won't bother with them..
2303          */
2304         data = (u16 *)chip->assp_minisrc_image->data;
2305         for (i = 0; i * 2 < chip->assp_minisrc_image->size; i++) {
2306                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2307                                   0x400 + i, data[i]);
2308         }
2309
2310         /*
2311          * write the coefficients for the low pass filter?
2312          */
2313         for (i = 0; i < MINISRC_LPF_LEN ; i++) {
2314                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2315                                   0x400 + MINISRC_COEF_LOC + i,
2316                                   minisrc_lpf[i]);
2317         }
2318
2319         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE,
2320                           0x400 + MINISRC_COEF_LOC + MINISRC_LPF_LEN,
2321                           0x8000);
2322
2323         /*
2324          * the minisrc is the only thing on
2325          * our task list..
2326          */
2327         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2328                           KDATA_TASK0,
2329                           0x400);
2330
2331         /*
2332          * init the mixer number..
2333          */
2334
2335         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2336                           KDATA_MIXER_TASK_NUMBER,0);
2337
2338         /*
2339          * EXTREME KERNEL MASTER VOLUME
2340          */
2341         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2342                           KDATA_DAC_LEFT_VOLUME, ARB_VOLUME);
2343         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2344                           KDATA_DAC_RIGHT_VOLUME, ARB_VOLUME);
2345
2346         chip->mixer_list.curlen = 0;
2347         chip->mixer_list.mem_addr = KDATA_MIXER_XFER0;
2348         chip->mixer_list.max = MAX_VIRTUAL_MIXER_CHANNELS;
2349         chip->adc1_list.curlen = 0;
2350         chip->adc1_list.mem_addr = KDATA_ADC1_XFER0;
2351         chip->adc1_list.max = MAX_VIRTUAL_ADC1_CHANNELS;
2352         chip->dma_list.curlen = 0;
2353         chip->dma_list.mem_addr = KDATA_DMA_XFER0;
2354         chip->dma_list.max = MAX_VIRTUAL_DMA_CHANNELS;
2355         chip->msrc_list.curlen = 0;
2356         chip->msrc_list.mem_addr = KDATA_INSTANCE0_MINISRC;
2357         chip->msrc_list.max = MAX_INSTANCE_MINISRC;
2358 }
2359
2360
2361 static int __devinit snd_m3_assp_client_init(struct snd_m3 *chip, struct m3_dma *s, int index)
2362 {
2363         int data_bytes = 2 * ( MINISRC_TMP_BUFFER_SIZE / 2 +
2364                                MINISRC_IN_BUFFER_SIZE / 2 +
2365                                1 + MINISRC_OUT_BUFFER_SIZE / 2 + 1 );
2366         int address, i;
2367
2368         /*
2369          * the revb memory map has 0x1100 through 0x1c00
2370          * free.
2371          */
2372
2373         /*
2374          * align instance address to 256 bytes so that its
2375          * shifted list address is aligned.
2376          * list address = (mem address >> 1) >> 7;
2377          */
2378         data_bytes = ALIGN(data_bytes, 256);
2379         address = 0x1100 + ((data_bytes/2) * index);
2380
2381         if ((address + (data_bytes/2)) >= 0x1c00) {
2382                 snd_printk(KERN_ERR "no memory for %d bytes at ind %d (addr 0x%x)\n",
2383                            data_bytes, index, address);
2384                 return -ENOMEM;
2385         }
2386
2387         s->number = index;
2388         s->inst.code = 0x400;
2389         s->inst.data = address;
2390
2391         for (i = data_bytes / 2; i > 0; address++, i--) {
2392                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2393                                   address, 0);
2394         }
2395
2396         return 0;
2397 }
2398
2399
2400 /*
2401  * this works for the reference board, have to find
2402  * out about others
2403  *
2404  * this needs more magic for 4 speaker, but..
2405  */
2406 static void
2407 snd_m3_amp_enable(struct snd_m3 *chip, int enable)
2408 {
2409         int io = chip->iobase;
2410         u16 gpo, polarity;
2411
2412         if (! chip->external_amp)
2413                 return;
2414
2415         polarity = enable ? 0 : 1;
2416         polarity = polarity << chip->amp_gpio;
2417         gpo = 1 << chip->amp_gpio;
2418
2419         outw(~gpo, io + GPIO_MASK);
2420
2421         outw(inw(io + GPIO_DIRECTION) | gpo,
2422              io + GPIO_DIRECTION);
2423
2424         outw((GPO_SECONDARY_AC97 | GPO_PRIMARY_AC97 | polarity),
2425              io + GPIO_DATA);
2426
2427         outw(0xffff, io + GPIO_MASK);
2428 }
2429
2430 static int
2431 snd_m3_chip_init(struct snd_m3 *chip)
2432 {
2433         struct pci_dev *pcidev = chip->pci;
2434         unsigned long io = chip->iobase;
2435         u32 n;
2436         u16 w;
2437         u8 t; /* makes as much sense as 'n', no? */
2438
2439         pci_read_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, &w);
2440         w &= ~(SOUND_BLASTER_ENABLE|FM_SYNTHESIS_ENABLE|
2441                MPU401_IO_ENABLE|MPU401_IRQ_ENABLE|ALIAS_10BIT_IO|
2442                DISABLE_LEGACY);
2443         pci_write_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, w);
2444
2445         if (chip->is_omnibook) {
2446                 /*
2447                  * Volume buttons on some HP OmniBook laptops don't work
2448                  * correctly. This makes them work for the most part.
2449                  *
2450                  * Volume up and down buttons on the laptop side work.
2451                  * Fn+cursor_up (volme up) works.
2452                  * Fn+cursor_down (volume down) doesn't work.
2453                  * Fn+F7 (mute) works acts as volume up.
2454                  */
2455                 outw(~(GPI_VOL_DOWN|GPI_VOL_UP), io + GPIO_MASK);
2456                 outw(inw(io + GPIO_DIRECTION) & ~(GPI_VOL_DOWN|GPI_VOL_UP), io + GPIO_DIRECTION);
2457                 outw((GPI_VOL_DOWN|GPI_VOL_UP), io + GPIO_DATA);
2458                 outw(0xffff, io + GPIO_MASK);
2459         }
2460         pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n);
2461         n &= ~(HV_CTRL_ENABLE | REDUCED_DEBOUNCE | HV_BUTTON_FROM_GD);
2462         n |= chip->hv_config;
2463         /* For some reason we must always use reduced debounce. */
2464         n |= REDUCED_DEBOUNCE;
2465         n |= PM_CTRL_ENABLE | CLK_DIV_BY_49 | USE_PCI_TIMING;
2466         pci_write_config_dword(pcidev, PCI_ALLEGRO_CONFIG, n);
2467
2468         outb(RESET_ASSP, chip->iobase + ASSP_CONTROL_B);
2469         pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n);
2470         n &= ~INT_CLK_SELECT;
2471         if (!chip->allegro_flag) {
2472                 n &= ~INT_CLK_MULT_ENABLE;
2473                 n |= INT_CLK_SRC_NOT_PCI;
2474         }
2475         n &=  ~( CLK_MULT_MODE_SELECT | CLK_MULT_MODE_SELECT_2 );
2476         pci_write_config_dword(pcidev, PCI_ALLEGRO_CONFIG, n);
2477
2478         if (chip->allegro_flag) {
2479                 pci_read_config_dword(pcidev, PCI_USER_CONFIG, &n);
2480                 n |= IN_CLK_12MHZ_SELECT;
2481                 pci_write_config_dword(pcidev, PCI_USER_CONFIG, n);
2482         }
2483
2484         t = inb(chip->iobase + ASSP_CONTROL_A);
2485         t &= ~( DSP_CLK_36MHZ_SELECT  | ASSP_CLK_49MHZ_SELECT);
2486         t |= ASSP_CLK_49MHZ_SELECT;
2487         t |= ASSP_0_WS_ENABLE;
2488         outb(t, chip->iobase + ASSP_CONTROL_A);
2489
2490         snd_m3_assp_init(chip); /* download DSP code before starting ASSP below */
2491         outb(RUN_ASSP, chip->iobase + ASSP_CONTROL_B);
2492
2493         outb(0x00, io + HARDWARE_VOL_CTRL);
2494         outb(0x88, io + SHADOW_MIX_REG_VOICE);
2495         outb(0x88, io + HW_VOL_COUNTER_VOICE);
2496         outb(0x88, io + SHADOW_MIX_REG_MASTER);
2497         outb(0x88, io + HW_VOL_COUNTER_MASTER);
2498
2499         return 0;
2500 }
2501
2502 static void
2503 snd_m3_enable_ints(struct snd_m3 *chip)
2504 {
2505         unsigned long io = chip->iobase;
2506         unsigned short val;
2507
2508         /* TODO: MPU401 not supported yet */
2509         val = ASSP_INT_ENABLE /*| MPU401_INT_ENABLE*/;
2510         if (chip->hv_config & HV_CTRL_ENABLE)
2511                 val |= HV_INT_ENABLE;
2512         outw(val, io + HOST_INT_CTRL);
2513         outb(inb(io + ASSP_CONTROL_C) | ASSP_HOST_INT_ENABLE,
2514              io + ASSP_CONTROL_C);
2515 }
2516
2517
2518 /*
2519  */
2520
2521 static int snd_m3_free(struct snd_m3 *chip)
2522 {
2523         struct m3_dma *s;
2524         int i;
2525
2526         if (chip->substreams) {
2527                 spin_lock_irq(&chip->reg_lock);
2528                 for (i = 0; i < chip->num_substreams; i++) {
2529                         s = &chip->substreams[i];
2530                         /* check surviving pcms; this should not happen though.. */
2531                         if (s->substream && s->running)
2532                                 snd_m3_pcm_stop(chip, s, s->substream);
2533                 }
2534                 spin_unlock_irq(&chip->reg_lock);
2535                 kfree(chip->substreams);
2536         }
2537         if (chip->iobase) {
2538                 outw(0, chip->iobase + HOST_INT_CTRL); /* disable ints */
2539         }
2540
2541 #ifdef CONFIG_PM
2542         vfree(chip->suspend_mem);
2543 #endif
2544
2545         if (chip->irq >= 0) {
2546                 synchronize_irq(chip->irq);
2547                 free_irq(chip->irq, chip);
2548         }
2549
2550         if (chip->iobase)
2551                 pci_release_regions(chip->pci);
2552
2553 #ifdef FIRMWARE_IN_THE_KERNEL
2554         if (chip->assp_kernel_image != &assp_kernel)
2555 #endif
2556                 release_firmware(chip->assp_kernel_image);
2557 #ifdef FIRMWARE_IN_THE_KERNEL
2558         if (chip->assp_minisrc_image != &assp_minisrc)
2559 #endif
2560                 release_firmware(chip->assp_minisrc_image);
2561
2562         pci_disable_device(chip->pci);
2563         kfree(chip);
2564         return 0;
2565 }
2566
2567
2568 /*
2569  * APM support
2570  */
2571 #ifdef CONFIG_PM
2572 static int m3_suspend(struct pci_dev *pci, pm_message_t state)
2573 {
2574         struct snd_card *card = pci_get_drvdata(pci);
2575         struct snd_m3 *chip = card->private_data;
2576         int i, index;
2577
2578         if (chip->suspend_mem == NULL)
2579                 return 0;
2580
2581         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2582         snd_pcm_suspend_all(chip->pcm);
2583         snd_ac97_suspend(chip->ac97);
2584
2585         msleep(10); /* give the assp a chance to idle.. */
2586
2587         snd_m3_assp_halt(chip);
2588
2589         /* save dsp image */
2590         index = 0;
2591         for (i = REV_B_CODE_MEMORY_BEGIN; i <= REV_B_CODE_MEMORY_END; i++)
2592                 chip->suspend_mem[index++] =
2593                         snd_m3_assp_read(chip, MEMTYPE_INTERNAL_CODE, i);
2594         for (i = REV_B_DATA_MEMORY_BEGIN ; i <= REV_B_DATA_MEMORY_END; i++)
2595                 chip->suspend_mem[index++] =
2596                         snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA, i);
2597
2598         pci_disable_device(pci);
2599         pci_save_state(pci);
2600         pci_set_power_state(pci, pci_choose_state(pci, state));
2601         return 0;
2602 }
2603
2604 static int m3_resume(struct pci_dev *pci)
2605 {
2606         struct snd_card *card = pci_get_drvdata(pci);
2607         struct snd_m3 *chip = card->private_data;
2608         int i, index;
2609
2610         if (chip->suspend_mem == NULL)
2611                 return 0;
2612
2613         pci_set_power_state(pci, PCI_D0);
2614         pci_restore_state(pci);
2615         if (pci_enable_device(pci) < 0) {
2616                 printk(KERN_ERR "maestor3: pci_enable_device failed, "
2617                        "disabling device\n");
2618                 snd_card_disconnect(card);
2619                 return -EIO;
2620         }
2621         pci_set_master(pci);
2622
2623         /* first lets just bring everything back. .*/
2624         snd_m3_outw(chip, 0, 0x54);
2625         snd_m3_outw(chip, 0, 0x56);
2626
2627         snd_m3_chip_init(chip);
2628         snd_m3_assp_halt(chip);
2629         snd_m3_ac97_reset(chip);
2630
2631         /* restore dsp image */
2632         index = 0;
2633         for (i = REV_B_CODE_MEMORY_BEGIN; i <= REV_B_CODE_MEMORY_END; i++)
2634                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, i,
2635                                   chip->suspend_mem[index++]);
2636         for (i = REV_B_DATA_MEMORY_BEGIN ; i <= REV_B_DATA_MEMORY_END; i++)
2637                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, i,
2638                                   chip->suspend_mem[index++]);
2639
2640         /* tell the dma engine to restart itself */
2641         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2642                           KDATA_DMA_ACTIVE, 0);
2643
2644         /* restore ac97 registers */
2645         snd_ac97_resume(chip->ac97);
2646
2647         snd_m3_assp_continue(chip);
2648         snd_m3_enable_ints(chip);
2649         snd_m3_amp_enable(chip, 1);
2650
2651         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2652         return 0;
2653 }
2654 #endif /* CONFIG_PM */
2655
2656
2657 /*
2658  */
2659
2660 static int snd_m3_dev_free(struct snd_device *device)
2661 {
2662         struct snd_m3 *chip = device->device_data;
2663         return snd_m3_free(chip);
2664 }
2665
2666 static int __devinit
2667 snd_m3_create(struct snd_card *card, struct pci_dev *pci,
2668               int enable_amp,
2669               int amp_gpio,
2670               struct snd_m3 **chip_ret)
2671 {
2672         struct snd_m3 *chip;
2673         int i, err;
2674         const struct snd_pci_quirk *quirk;
2675         static struct snd_device_ops ops = {
2676                 .dev_free =     snd_m3_dev_free,
2677         };
2678
2679         *chip_ret = NULL;
2680
2681         if (pci_enable_device(pci))
2682                 return -EIO;
2683
2684         /* check, if we can restrict PCI DMA transfers to 28 bits */
2685         if (pci_set_dma_mask(pci, DMA_28BIT_MASK) < 0 ||
2686             pci_set_consistent_dma_mask(pci, DMA_28BIT_MASK) < 0) {
2687                 snd_printk(KERN_ERR "architecture does not support 28bit PCI busmaster DMA\n");
2688                 pci_disable_device(pci);
2689                 return -ENXIO;
2690         }
2691
2692         chip = kzalloc(sizeof(*chip), GFP_KERNEL);
2693         if (chip == NULL) {
2694                 pci_disable_device(pci);
2695                 return -ENOMEM;
2696         }
2697
2698         spin_lock_init(&chip->reg_lock);
2699         spin_lock_init(&chip->ac97_lock);
2700
2701         switch (pci->device) {
2702         case PCI_DEVICE_ID_ESS_ALLEGRO:
2703         case PCI_DEVICE_ID_ESS_ALLEGRO_1:
2704         case PCI_DEVICE_ID_ESS_CANYON3D_2LE:
2705         case PCI_DEVICE_ID_ESS_CANYON3D_2:
2706                 chip->allegro_flag = 1;
2707                 break;
2708         }
2709
2710         chip->card = card;
2711         chip->pci = pci;
2712         chip->irq = -1;
2713
2714         chip->external_amp = enable_amp;
2715         if (amp_gpio >= 0 && amp_gpio <= 0x0f)
2716                 chip->amp_gpio = amp_gpio;
2717         else {
2718                 quirk = snd_pci_quirk_lookup(pci, m3_amp_quirk_list);
2719                 if (quirk) {
2720                         snd_printdd(KERN_INFO "maestro3: set amp-gpio "
2721                                     "for '%s'\n", quirk->name);
2722                         chip->amp_gpio = quirk->value;
2723                 } else if (chip->allegro_flag)
2724                         chip->amp_gpio = GPO_EXT_AMP_ALLEGRO;
2725                 else /* presumably this is for all 'maestro3's.. */
2726                         chip->amp_gpio = GPO_EXT_AMP_M3;
2727         }
2728
2729         quirk = snd_pci_quirk_lookup(pci, m3_irda_quirk_list);
2730         if (quirk) {
2731                 snd_printdd(KERN_INFO "maestro3: enabled irda workaround "
2732                             "for '%s'\n", quirk->name);
2733                 chip->irda_workaround = 1;
2734         }
2735         quirk = snd_pci_quirk_lookup(pci, m3_hv_quirk_list);
2736         if (quirk)
2737                 chip->hv_config = quirk->value;
2738         if (snd_pci_quirk_lookup(pci, m3_omnibook_quirk_list))
2739                 chip->is_omnibook = 1;
2740
2741         chip->num_substreams = NR_DSPS;
2742         chip->substreams = kcalloc(chip->num_substreams, sizeof(struct m3_dma),
2743                                    GFP_KERNEL);
2744         if (chip->substreams == NULL) {
2745                 kfree(chip);
2746                 pci_disable_device(pci);
2747                 return -ENOMEM;
2748         }
2749
2750         err = request_firmware(&chip->assp_kernel_image,
2751                                "ess/maestro3_assp_kernel.fw", &pci->dev);
2752         if (err < 0) {
2753 #ifdef FIRMWARE_IN_THE_KERNEL
2754                 chip->assp_kernel_image = &assp_kernel;
2755 #else
2756                 snd_m3_free(chip);
2757                 return err;
2758 #endif
2759         } else
2760                 snd_m3_convert_from_le(chip->assp_kernel_image);
2761
2762         err = request_firmware(&chip->assp_minisrc_image,
2763                                "ess/maestro3_assp_minisrc.fw", &pci->dev);
2764         if (err < 0) {
2765 #ifdef FIRMWARE_IN_THE_KERNEL
2766                 chip->assp_minisrc_image = &assp_minisrc;
2767 #else
2768                 snd_m3_free(chip);
2769                 return err;
2770 #endif
2771         } else
2772                 snd_m3_convert_from_le(chip->assp_minisrc_image);
2773
2774         if ((err = pci_request_regions(pci, card->driver)) < 0) {
2775                 snd_m3_free(chip);
2776                 return err;
2777         }
2778         chip->iobase = pci_resource_start(pci, 0);
2779
2780         /* just to be sure */
2781         pci_set_master(pci);
2782
2783         snd_m3_chip_init(chip);
2784         snd_m3_assp_halt(chip);
2785
2786         snd_m3_ac97_reset(chip);
2787
2788         snd_m3_amp_enable(chip, 1);
2789
2790         tasklet_init(&chip->hwvol_tq, snd_m3_update_hw_volume, (unsigned long)chip);
2791
2792         if (request_irq(pci->irq, snd_m3_interrupt, IRQF_SHARED,
2793                         card->driver, chip)) {
2794                 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2795                 snd_m3_free(chip);
2796                 return -ENOMEM;
2797         }
2798         chip->irq = pci->irq;
2799
2800 #ifdef CONFIG_PM
2801         chip->suspend_mem = vmalloc(sizeof(u16) * (REV_B_CODE_MEMORY_LENGTH + REV_B_DATA_MEMORY_LENGTH));
2802         if (chip->suspend_mem == NULL)
2803                 snd_printk(KERN_WARNING "can't allocate apm buffer\n");
2804 #endif
2805
2806         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
2807                 snd_m3_free(chip);
2808                 return err;
2809         }
2810
2811         if ((err = snd_m3_mixer(chip)) < 0)
2812                 return err;
2813
2814         for (i = 0; i < chip->num_substreams; i++) {
2815                 struct m3_dma *s = &chip->substreams[i];
2816                 if ((err = snd_m3_assp_client_init(chip, s, i)) < 0)
2817                         return err;
2818         }
2819
2820         if ((err = snd_m3_pcm(chip, 0)) < 0)
2821                 return err;
2822
2823         snd_m3_enable_ints(chip);
2824         snd_m3_assp_continue(chip);
2825
2826         snd_card_set_dev(card, &pci->dev);
2827
2828         *chip_ret = chip;
2829
2830         return 0;
2831 }
2832
2833 /*
2834  */
2835 static int __devinit
2836 snd_m3_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2837 {
2838         static int dev;
2839         struct snd_card *card;
2840         struct snd_m3 *chip;
2841         int err;
2842
2843         /* don't pick up modems */
2844         if (((pci->class >> 8) & 0xffff) != PCI_CLASS_MULTIMEDIA_AUDIO)
2845                 return -ENODEV;
2846
2847         if (dev >= SNDRV_CARDS)
2848                 return -ENODEV;
2849         if (!enable[dev]) {
2850                 dev++;
2851                 return -ENOENT;
2852         }
2853
2854         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2855         if (card == NULL)
2856                 return -ENOMEM;
2857
2858         switch (pci->device) {
2859         case PCI_DEVICE_ID_ESS_ALLEGRO:
2860         case PCI_DEVICE_ID_ESS_ALLEGRO_1:
2861                 strcpy(card->driver, "Allegro");
2862                 break;
2863         case PCI_DEVICE_ID_ESS_CANYON3D_2LE:
2864         case PCI_DEVICE_ID_ESS_CANYON3D_2:
2865                 strcpy(card->driver, "Canyon3D-2");
2866                 break;
2867         default:
2868                 strcpy(card->driver, "Maestro3");
2869                 break;
2870         }
2871
2872         if ((err = snd_m3_create(card, pci,
2873                                  external_amp[dev],
2874                                  amp_gpio[dev],
2875                                  &chip)) < 0) {
2876                 snd_card_free(card);
2877                 return err;
2878         }
2879         card->private_data = chip;
2880
2881         sprintf(card->shortname, "ESS %s PCI", card->driver);
2882         sprintf(card->longname, "%s at 0x%lx, irq %d",
2883                 card->shortname, chip->iobase, chip->irq);
2884
2885         if ((err = snd_card_register(card)) < 0) {
2886                 snd_card_free(card);
2887                 return err;
2888         }
2889
2890 #if 0 /* TODO: not supported yet */
2891         /* TODO enable MIDI IRQ and I/O */
2892         err = snd_mpu401_uart_new(chip->card, 0, MPU401_HW_MPU401,
2893                                   chip->iobase + MPU401_DATA_PORT,
2894                                   MPU401_INFO_INTEGRATED,
2895                                   chip->irq, 0, &chip->rmidi);
2896         if (err < 0)
2897                 printk(KERN_WARNING "maestro3: no MIDI support.\n");
2898 #endif
2899
2900         pci_set_drvdata(pci, card);
2901         dev++;
2902         return 0;
2903 }
2904
2905 static void __devexit snd_m3_remove(struct pci_dev *pci)
2906 {
2907         snd_card_free(pci_get_drvdata(pci));
2908         pci_set_drvdata(pci, NULL);
2909 }
2910
2911 static struct pci_driver driver = {
2912         .name = "Maestro3",
2913         .id_table = snd_m3_ids,
2914         .probe = snd_m3_probe,
2915         .remove = __devexit_p(snd_m3_remove),
2916 #ifdef CONFIG_PM
2917         .suspend = m3_suspend,
2918         .resume = m3_resume,
2919 #endif
2920 };
2921
2922 static int __init alsa_card_m3_init(void)
2923 {
2924         return pci_register_driver(&driver);
2925 }
2926
2927 static void __exit alsa_card_m3_exit(void)
2928 {
2929         pci_unregister_driver(&driver);
2930 }
2931
2932 module_init(alsa_card_m3_init)
2933 module_exit(alsa_card_m3_exit)