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 <asm/io.h>
  35 #include <linux/delay.h>
  36 #include <linux/interrupt.h>
  37 #include <linux/init.h>
  38 #include <linux/pci.h>
  39 #include <linux/dma-mapping.h>
  40 #include <linux/slab.h>
  41 #include <linux/vmalloc.h>
  42 #include <linux/moduleparam.h>
  43 #include <linux/firmware.h>
  44 #include <sound/core.h>
  45 #include <sound/info.h>
  46 #include <sound/control.h>
  47 #include <sound/pcm.h>
  48 #include <sound/mpu401.h>
  49 #include <sound/ac97_codec.h>
  50 #include <sound/initval.h>
  51 #include <asm/byteorder.h>
  52
  53 MODULE_AUTHOR("Zach Brown <zab@zabbo.net>, Takashi Iwai <tiwai@suse.de>");
  54 MODULE_DESCRIPTION("ESS Maestro3 PCI");
  55 MODULE_LICENSE("GPL");
  56 MODULE_SUPPORTED_DEVICE("{{ESS,Maestro3 PCI},"
  57                 "{ESS,ES1988},"
  58                 "{ESS,Allegro PCI},"
  59                 "{ESS,Allegro-1 PCI},"
  60                 "{ESS,Canyon3D-2/LE PCI}}");
  61 #ifndef CONFIG_SND_MAESTRO3_FIRMWARE_IN_KERNEL
  62 MODULE_FIRMWARE("ess/maestro3_assp_kernel.fw");
  63 MODULE_FIRMWARE("ess/maestro3_assp_minisrc.fw");
  64 #endif
  65
  66 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  67 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  68 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* all enabled */
  69 static int external_amp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
  70 static int amp_gpio[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
  71
  72 module_param_array(index, int, NULL, 0444);
  73 MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard.");
  74 module_param_array(id, charp, NULL, 0444);
  75 MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard.");
  76 module_param_array(enable, bool, NULL, 0444);
  77 MODULE_PARM_DESC(enable, "Enable this soundcard.");
  78 module_param_array(external_amp, bool, NULL, 0444);
  79 MODULE_PARM_DESC(external_amp, "Enable external amp for " CARD_NAME " soundcard.");
  80 module_param_array(amp_gpio, int, NULL, 0444);
  81 MODULE_PARM_DESC(amp_gpio, "GPIO pin number for external amp. (default = -1)");
  82
  83 #define MAX_PLAYBACKS   2
  84 #define MAX_CAPTURES    1
  85 #define NR_DSPS         (MAX_PLAYBACKS + MAX_CAPTURES)
  86
  87
  88 /*
  89  * maestro3 registers
  90  */
  91
  92 /* Allegro PCI configuration registers */
  93 #define PCI_LEGACY_AUDIO_CTRL   0x40
  94 #define SOUND_BLASTER_ENABLE    0x00000001
  95 #define FM_SYNTHESIS_ENABLE     0x00000002
  96 #define GAME_PORT_ENABLE        0x00000004
  97 #define MPU401_IO_ENABLE        0x00000008
  98 #define MPU401_IRQ_ENABLE       0x00000010
  99 #define ALIAS_10BIT_IO          0x00000020
 100 #define SB_DMA_MASK             0x000000C0
 101 #define SB_DMA_0                0x00000040
 102 #define SB_DMA_1                0x00000040
 103 #define SB_DMA_R                0x00000080
 104 #define SB_DMA_3                0x000000C0
 105 #define SB_IRQ_MASK             0x00000700
 106 #define SB_IRQ_5                0x00000000
 107 #define SB_IRQ_7                0x00000100
 108 #define SB_IRQ_9                0x00000200
 109 #define SB_IRQ_10               0x00000300
 110 #define MIDI_IRQ_MASK           0x00003800
 111 #define SERIAL_IRQ_ENABLE       0x00004000
 112 #define DISABLE_LEGACY          0x00008000
 113
 114 #define PCI_ALLEGRO_CONFIG      0x50
 115 #define SB_ADDR_240             0x00000004
 116 #define MPU_ADDR_MASK           0x00000018
 117 #define MPU_ADDR_330            0x00000000
 118 #define MPU_ADDR_300            0x00000008
 119 #define MPU_ADDR_320            0x00000010
 120 #define MPU_ADDR_340            0x00000018
 121 #define USE_PCI_TIMING          0x00000040
 122 #define POSTED_WRITE_ENABLE     0x00000080
 123 #define DMA_POLICY_MASK         0x00000700
 124 #define DMA_DDMA                0x00000000
 125 #define DMA_TDMA                0x00000100
 126 #define DMA_PCPCI               0x00000200
 127 #define DMA_WBDMA16             0x00000400
 128 #define DMA_WBDMA4              0x00000500
 129 #define DMA_WBDMA2              0x00000600
 130 #define DMA_WBDMA1              0x00000700
 131 #define DMA_SAFE_GUARD          0x00000800
 132 #define HI_PERF_GP_ENABLE       0x00001000
 133 #define PIC_SNOOP_MODE_0        0x00002000
 134 #define PIC_SNOOP_MODE_1        0x00004000
 135 #define SOUNDBLASTER_IRQ_MASK   0x00008000
 136 #define RING_IN_ENABLE          0x00010000
 137 #define SPDIF_TEST_MODE         0x00020000
 138 #define CLK_MULT_MODE_SELECT_2  0x00040000
 139 #define EEPROM_WRITE_ENABLE     0x00080000
 140 #define CODEC_DIR_IN            0x00100000
 141 #define HV_BUTTON_FROM_GD       0x00200000
 142 #define REDUCED_DEBOUNCE        0x00400000
 143 #define HV_CTRL_ENABLE          0x00800000
 144 #define SPDIF_ENABLE            0x01000000
 145 #define CLK_DIV_SELECT          0x06000000
 146 #define CLK_DIV_BY_48           0x00000000
 147 #define CLK_DIV_BY_49           0x02000000
 148 #define CLK_DIV_BY_50           0x04000000
 149 #define CLK_DIV_RESERVED        0x06000000
 150 #define PM_CTRL_ENABLE          0x08000000
 151 #define CLK_MULT_MODE_SELECT    0x30000000
 152 #define CLK_MULT_MODE_SHIFT     28
 153 #define CLK_MULT_MODE_0         0x00000000
 154 #define CLK_MULT_MODE_1         0x10000000
 155 #define CLK_MULT_MODE_2         0x20000000
 156 #define CLK_MULT_MODE_3         0x30000000
 157 #define INT_CLK_SELECT          0x40000000
 158 #define INT_CLK_MULT_RESET      0x80000000
 159
 160 /* M3 */
 161 #define INT_CLK_SRC_NOT_PCI     0x00100000
 162 #define INT_CLK_MULT_ENABLE     0x80000000
 163
 164 #define PCI_ACPI_CONTROL        0x54
 165 #define PCI_ACPI_D0             0x00000000
 166 #define PCI_ACPI_D1             0xB4F70000
 167 #define PCI_ACPI_D2             0xB4F7B4F7
 168
 169 #define PCI_USER_CONFIG         0x58
 170 #define EXT_PCI_MASTER_ENABLE   0x00000001
 171 #define SPDIF_OUT_SELECT        0x00000002
 172 #define TEST_PIN_DIR_CTRL       0x00000004
 173 #define AC97_CODEC_TEST         0x00000020
 174 #define TRI_STATE_BUFFER        0x00000080
 175 #define IN_CLK_12MHZ_SELECT     0x00000100
 176 #define MULTI_FUNC_DISABLE      0x00000200
 177 #define EXT_MASTER_PAIR_SEL     0x00000400
 178 #define PCI_MASTER_SUPPORT      0x00000800
 179 #define STOP_CLOCK_ENABLE       0x00001000
 180 #define EAPD_DRIVE_ENABLE       0x00002000
 181 #define REQ_TRI_STATE_ENABLE    0x00004000
 182 #define REQ_LOW_ENABLE          0x00008000
 183 #define MIDI_1_ENABLE           0x00010000
 184 #define MIDI_2_ENABLE           0x00020000
 185 #define SB_AUDIO_SYNC           0x00040000
 186 #define HV_CTRL_TEST            0x00100000
 187 #define SOUNDBLASTER_TEST       0x00400000
 188
 189 #define PCI_USER_CONFIG_C       0x5C
 190
 191 #define PCI_DDMA_CTRL           0x60
 192 #define DDMA_ENABLE             0x00000001
 193
 194
 195 /* Allegro registers */
 196 #define HOST_INT_CTRL           0x18
 197 #define SB_INT_ENABLE           0x0001
 198 #define MPU401_INT_ENABLE       0x0002
 199 #define ASSP_INT_ENABLE         0x0010
 200 #define RING_INT_ENABLE         0x0020
 201 #define HV_INT_ENABLE           0x0040
 202 #define CLKRUN_GEN_ENABLE       0x0100
 203 #define HV_CTRL_TO_PME          0x0400
 204 #define SOFTWARE_RESET_ENABLE   0x8000
 205
 206 /*
 207  * should be using the above defines, probably.
 208  */
 209 #define REGB_ENABLE_RESET               0x01
 210 #define REGB_STOP_CLOCK                 0x10
 211
 212 #define HOST_INT_STATUS         0x1A
 213 #define SB_INT_PENDING          0x01
 214 #define MPU401_INT_PENDING      0x02
 215 #define ASSP_INT_PENDING        0x10
 216 #define RING_INT_PENDING        0x20
 217 #define HV_INT_PENDING          0x40
 218
 219 #define HARDWARE_VOL_CTRL       0x1B
 220 #define SHADOW_MIX_REG_VOICE    0x1C
 221 #define HW_VOL_COUNTER_VOICE    0x1D
 222 #define SHADOW_MIX_REG_MASTER   0x1E
 223 #define HW_VOL_COUNTER_MASTER   0x1F
 224
 225 #define CODEC_COMMAND           0x30
 226 #define CODEC_READ_B            0x80
 227
 228 #define CODEC_STATUS            0x30
 229 #define CODEC_BUSY_B            0x01
 230
 231 #define CODEC_DATA              0x32
 232
 233 #define RING_BUS_CTRL_A         0x36
 234 #define RAC_PME_ENABLE          0x0100
 235 #define RAC_SDFS_ENABLE         0x0200
 236 #define LAC_PME_ENABLE          0x0400
 237 #define LAC_SDFS_ENABLE         0x0800
 238 #define SERIAL_AC_LINK_ENABLE   0x1000
 239 #define IO_SRAM_ENABLE          0x2000
 240 #define IIS_INPUT_ENABLE        0x8000
 241
 242 #define RING_BUS_CTRL_B         0x38
 243 #define SECOND_CODEC_ID_MASK    0x0003
 244 #define SPDIF_FUNC_ENABLE       0x0010
 245 #define SECOND_AC_ENABLE        0x0020
 246 #define SB_MODULE_INTF_ENABLE   0x0040
 247 #define SSPE_ENABLE             0x0040
 248 #define M3I_DOCK_ENABLE         0x0080
 249
 250 #define SDO_OUT_DEST_CTRL       0x3A
 251 #define COMMAND_ADDR_OUT        0x0003
 252 #define PCM_LR_OUT_LOCAL        0x0000
 253 #define PCM_LR_OUT_REMOTE       0x0004
 254 #define PCM_LR_OUT_MUTE         0x0008
 255 #define PCM_LR_OUT_BOTH         0x000C
 256 #define LINE1_DAC_OUT_LOCAL     0x0000
 257 #define LINE1_DAC_OUT_REMOTE    0x0010
 258 #define LINE1_DAC_OUT_MUTE      0x0020
 259 #define LINE1_DAC_OUT_BOTH      0x0030
 260 #define PCM_CLS_OUT_LOCAL       0x0000
 261 #define PCM_CLS_OUT_REMOTE      0x0040
 262 #define PCM_CLS_OUT_MUTE        0x0080
 263 #define PCM_CLS_OUT_BOTH        0x00C0
 264 #define PCM_RLF_OUT_LOCAL       0x0000
 265 #define PCM_RLF_OUT_REMOTE      0x0100
 266 #define PCM_RLF_OUT_MUTE        0x0200
 267 #define PCM_RLF_OUT_BOTH        0x0300
 268 #define LINE2_DAC_OUT_LOCAL     0x0000
 269 #define LINE2_DAC_OUT_REMOTE    0x0400
 270 #define LINE2_DAC_OUT_MUTE      0x0800
 271 #define LINE2_DAC_OUT_BOTH      0x0C00
 272 #define HANDSET_OUT_LOCAL       0x0000
 273 #define HANDSET_OUT_REMOTE      0x1000
 274 #define HANDSET_OUT_MUTE        0x2000
 275 #define HANDSET_OUT_BOTH        0x3000
 276 #define IO_CTRL_OUT_LOCAL       0x0000
 277 #define IO_CTRL_OUT_REMOTE      0x4000
 278 #define IO_CTRL_OUT_MUTE        0x8000
 279 #define IO_CTRL_OUT_BOTH        0xC000
 280
 281 #define SDO_IN_DEST_CTRL        0x3C
 282 #define STATUS_ADDR_IN          0x0003
 283 #define PCM_LR_IN_LOCAL         0x0000
 284 #define PCM_LR_IN_REMOTE        0x0004
 285 #define PCM_LR_RESERVED         0x0008
 286 #define PCM_LR_IN_BOTH          0x000C
 287 #define LINE1_ADC_IN_LOCAL      0x0000
 288 #define LINE1_ADC_IN_REMOTE     0x0010
 289 #define LINE1_ADC_IN_MUTE       0x0020
 290 #define MIC_ADC_IN_LOCAL        0x0000
 291 #define MIC_ADC_IN_REMOTE       0x0040
 292 #define MIC_ADC_IN_MUTE         0x0080
 293 #define LINE2_DAC_IN_LOCAL      0x0000
 294 #define LINE2_DAC_IN_REMOTE     0x0400
 295 #define LINE2_DAC_IN_MUTE       0x0800
 296 #define HANDSET_IN_LOCAL        0x0000
 297 #define HANDSET_IN_REMOTE       0x1000
 298 #define HANDSET_IN_MUTE         0x2000
 299 #define IO_STATUS_IN_LOCAL      0x0000
 300 #define IO_STATUS_IN_REMOTE     0x4000
 301
 302 #define SPDIF_IN_CTRL           0x3E
 303 #define SPDIF_IN_ENABLE         0x0001
 304
 305 #define GPIO_DATA               0x60
 306 #define GPIO_DATA_MASK          0x0FFF
 307 #define GPIO_HV_STATUS          0x3000
 308 #define GPIO_PME_STATUS         0x4000
 309
 310 #define GPIO_MASK               0x64
 311 #define GPIO_DIRECTION          0x68
 312 #define GPO_PRIMARY_AC97        0x0001
 313 #define GPI_LINEOUT_SENSE       0x0004
 314 #define GPO_SECONDARY_AC97      0x0008
 315 #define GPI_VOL_DOWN            0x0010
 316 #define GPI_VOL_UP              0x0020
 317 #define GPI_IIS_CLK             0x0040
 318 #define GPI_IIS_LRCLK           0x0080
 319 #define GPI_IIS_DATA            0x0100
 320 #define GPI_DOCKING_STATUS      0x0100
 321 #define GPI_HEADPHONE_SENSE     0x0200
 322 #define GPO_EXT_AMP_SHUTDOWN    0x1000
 323
 324 #define GPO_EXT_AMP_M3          1       /* default m3 amp */
 325 #define GPO_EXT_AMP_ALLEGRO     8       /* default allegro amp */
 326
 327 /* M3 */
 328 #define GPO_M3_EXT_AMP_SHUTDN   0x0002
 329
 330 #define ASSP_INDEX_PORT         0x80
 331 #define ASSP_MEMORY_PORT        0x82
 332 #define ASSP_DATA_PORT          0x84
 333
 334 #define MPU401_DATA_PORT        0x98
 335 #define MPU401_STATUS_PORT      0x99
 336
 337 #define CLK_MULT_DATA_PORT      0x9C
 338
 339 #define ASSP_CONTROL_A          0xA2
 340 #define ASSP_0_WS_ENABLE        0x01
 341 #define ASSP_CTRL_A_RESERVED1   0x02
 342 #define ASSP_CTRL_A_RESERVED2   0x04
 343 #define ASSP_CLK_49MHZ_SELECT   0x08
 344 #define FAST_PLU_ENABLE         0x10
 345 #define ASSP_CTRL_A_RESERVED3   0x20
 346 #define DSP_CLK_36MHZ_SELECT    0x40
 347
 348 #define ASSP_CONTROL_B          0xA4
 349 #define RESET_ASSP              0x00
 350 #define RUN_ASSP                0x01
 351 #define ENABLE_ASSP_CLOCK       0x00
 352 #define STOP_ASSP_CLOCK         0x10
 353 #define RESET_TOGGLE            0x40
 354
 355 #define ASSP_CONTROL_C          0xA6
 356 #define ASSP_HOST_INT_ENABLE    0x01
 357 #define FM_ADDR_REMAP_DISABLE   0x02
 358 #define HOST_WRITE_PORT_ENABLE  0x08
 359
 360 #define ASSP_HOST_INT_STATUS    0xAC
 361 #define DSP2HOST_REQ_PIORECORD  0x01
 362 #define DSP2HOST_REQ_I2SRATE    0x02
 363 #define DSP2HOST_REQ_TIMER      0x04
 364
 365 /* AC97 registers */
 366 /* XXX fix this crap up */
 367 /*#define AC97_RESET              0x00*/
 368
 369 #define AC97_VOL_MUTE_B         0x8000
 370 #define AC97_VOL_M              0x1F
 371 #define AC97_LEFT_VOL_S         8
 372
 373 #define AC97_MASTER_VOL         0x02
 374 #define AC97_LINE_LEVEL_VOL     0x04
 375 #define AC97_MASTER_MONO_VOL    0x06
 376 #define AC97_PC_BEEP_VOL        0x0A
 377 #define AC97_PC_BEEP_VOL_M      0x0F
 378 #define AC97_SROUND_MASTER_VOL  0x38
 379 #define AC97_PC_BEEP_VOL_S      1
 380
 381 /*#define AC97_PHONE_VOL          0x0C
 382 #define AC97_MIC_VOL            0x0E*/
 383 #define AC97_MIC_20DB_ENABLE    0x40
 384
 385 /*#define AC97_LINEIN_VOL         0x10
 386 #define AC97_CD_VOL             0x12
 387 #define AC97_VIDEO_VOL          0x14
 388 #define AC97_AUX_VOL            0x16*/
 389 #define AC97_PCM_OUT_VOL        0x18
 390 /*#define AC97_RECORD_SELECT      0x1A*/
 391 #define AC97_RECORD_MIC         0x00
 392 #define AC97_RECORD_CD          0x01
 393 #define AC97_RECORD_VIDEO       0x02
 394 #define AC97_RECORD_AUX         0x03
 395 #define AC97_RECORD_MONO_MUX    0x02
 396 #define AC97_RECORD_DIGITAL     0x03
 397 #define AC97_RECORD_LINE        0x04
 398 #define AC97_RECORD_STEREO      0x05
 399 #define AC97_RECORD_MONO        0x06
 400 #define AC97_RECORD_PHONE       0x07
 401
 402 /*#define AC97_RECORD_GAIN        0x1C*/
 403 #define AC97_RECORD_VOL_M       0x0F
 404
 405 /*#define AC97_GENERAL_PURPOSE    0x20*/
 406 #define AC97_POWER_DOWN_CTRL    0x26
 407 #define AC97_ADC_READY          0x0001
 408 #define AC97_DAC_READY          0x0002
 409 #define AC97_ANALOG_READY       0x0004
 410 #define AC97_VREF_ON            0x0008
 411 #define AC97_PR0                0x0100
 412 #define AC97_PR1                0x0200
 413 #define AC97_PR2                0x0400
 414 #define AC97_PR3                0x0800
 415 #define AC97_PR4                0x1000
 416
 417 #define AC97_RESERVED1          0x28
 418
 419 #define AC97_VENDOR_TEST        0x5A
 420
 421 #define AC97_CLOCK_DELAY        0x5C
 422 #define AC97_LINEOUT_MUX_SEL    0x0001
 423 #define AC97_MONO_MUX_SEL       0x0002
 424 #define AC97_CLOCK_DELAY_SEL    0x1F
 425 #define AC97_DAC_CDS_SHIFT      6
 426 #define AC97_ADC_CDS_SHIFT      11
 427
 428 #define AC97_MULTI_CHANNEL_SEL  0x74
 429
 430 /*#define AC97_VENDOR_ID1         0x7C
 431 #define AC97_VENDOR_ID2         0x7E*/
 432
 433 /*
 434  * ASSP control regs
 435  */
 436 #define DSP_PORT_TIMER_COUNT    0x06
 437
 438 #define DSP_PORT_MEMORY_INDEX   0x80
 439
 440 #define DSP_PORT_MEMORY_TYPE    0x82
 441 #define MEMTYPE_INTERNAL_CODE   0x0002
 442 #define MEMTYPE_INTERNAL_DATA   0x0003
 443 #define MEMTYPE_MASK            0x0003
 444
 445 #define DSP_PORT_MEMORY_DATA    0x84
 446
 447 #define DSP_PORT_CONTROL_REG_A  0xA2
 448 #define DSP_PORT_CONTROL_REG_B  0xA4
 449 #define DSP_PORT_CONTROL_REG_C  0xA6
 450
 451 #define REV_A_CODE_MEMORY_BEGIN         0x0000
 452 #define REV_A_CODE_MEMORY_END           0x0FFF
 453 #define REV_A_CODE_MEMORY_UNIT_LENGTH   0x0040
 454 #define REV_A_CODE_MEMORY_LENGTH        (REV_A_CODE_MEMORY_END - REV_A_CODE_MEMORY_BEGIN + 1)
 455
 456 #define REV_B_CODE_MEMORY_BEGIN         0x0000
 457 #define REV_B_CODE_MEMORY_END           0x0BFF
 458 #define REV_B_CODE_MEMORY_UNIT_LENGTH   0x0040
 459 #define REV_B_CODE_MEMORY_LENGTH        (REV_B_CODE_MEMORY_END - REV_B_CODE_MEMORY_BEGIN + 1)
 460
 461 #define REV_A_DATA_MEMORY_BEGIN         0x1000
 462 #define REV_A_DATA_MEMORY_END           0x2FFF
 463 #define REV_A_DATA_MEMORY_UNIT_LENGTH   0x0080
 464 #define REV_A_DATA_MEMORY_LENGTH        (REV_A_DATA_MEMORY_END - REV_A_DATA_MEMORY_BEGIN + 1)
 465
 466 #define REV_B_DATA_MEMORY_BEGIN         0x1000
 467 #define REV_B_DATA_MEMORY_END           0x2BFF
 468 #define REV_B_DATA_MEMORY_UNIT_LENGTH   0x0080
 469 #define REV_B_DATA_MEMORY_LENGTH        (REV_B_DATA_MEMORY_END - REV_B_DATA_MEMORY_BEGIN + 1)
 470
 471
 472 #define NUM_UNITS_KERNEL_CODE          16
 473 #define NUM_UNITS_KERNEL_DATA           2
 474
 475 #define NUM_UNITS_KERNEL_CODE_WITH_HSP 16
 476 #define NUM_UNITS_KERNEL_DATA_WITH_HSP  5
 477
 478 /*
 479  * Kernel data layout
 480  */
 481
 482 #define DP_SHIFT_COUNT                  7
 483
 484 #define KDATA_BASE_ADDR                 0x1000
 485 #define KDATA_BASE_ADDR2                0x1080
 486
 487 #define KDATA_TASK0                     (KDATA_BASE_ADDR + 0x0000)
 488 #define KDATA_TASK1                     (KDATA_BASE_ADDR + 0x0001)
 489 #define KDATA_TASK2                     (KDATA_BASE_ADDR + 0x0002)
 490 #define KDATA_TASK3                     (KDATA_BASE_ADDR + 0x0003)
 491 #define KDATA_TASK4                     (KDATA_BASE_ADDR + 0x0004)
 492 #define KDATA_TASK5                     (KDATA_BASE_ADDR + 0x0005)
 493 #define KDATA_TASK6                     (KDATA_BASE_ADDR + 0x0006)
 494 #define KDATA_TASK7                     (KDATA_BASE_ADDR + 0x0007)
 495 #define KDATA_TASK_ENDMARK              (KDATA_BASE_ADDR + 0x0008)
 496
 497 #define KDATA_CURRENT_TASK              (KDATA_BASE_ADDR + 0x0009)
 498 #define KDATA_TASK_SWITCH               (KDATA_BASE_ADDR + 0x000A)
 499
 500 #define KDATA_INSTANCE0_POS3D           (KDATA_BASE_ADDR + 0x000B)
 501 #define KDATA_INSTANCE1_POS3D           (KDATA_BASE_ADDR + 0x000C)
 502 #define KDATA_INSTANCE2_POS3D           (KDATA_BASE_ADDR + 0x000D)
 503 #define KDATA_INSTANCE3_POS3D           (KDATA_BASE_ADDR + 0x000E)
 504 #define KDATA_INSTANCE4_POS3D           (KDATA_BASE_ADDR + 0x000F)
 505 #define KDATA_INSTANCE5_POS3D           (KDATA_BASE_ADDR + 0x0010)
 506 #define KDATA_INSTANCE6_POS3D           (KDATA_BASE_ADDR + 0x0011)
 507 #define KDATA_INSTANCE7_POS3D           (KDATA_BASE_ADDR + 0x0012)
 508 #define KDATA_INSTANCE8_POS3D           (KDATA_BASE_ADDR + 0x0013)
 509 #define KDATA_INSTANCE_POS3D_ENDMARK    (KDATA_BASE_ADDR + 0x0014)
 510
 511 #define KDATA_INSTANCE0_SPKVIRT         (KDATA_BASE_ADDR + 0x0015)
 512 #define KDATA_INSTANCE_SPKVIRT_ENDMARK  (KDATA_BASE_ADDR + 0x0016)
 513
 514 #define KDATA_INSTANCE0_SPDIF           (KDATA_BASE_ADDR + 0x0017)
 515 #define KDATA_INSTANCE_SPDIF_ENDMARK    (KDATA_BASE_ADDR + 0x0018)
 516
 517 #define KDATA_INSTANCE0_MODEM           (KDATA_BASE_ADDR + 0x0019)
 518 #define KDATA_INSTANCE_MODEM_ENDMARK    (KDATA_BASE_ADDR + 0x001A)
 519
 520 #define KDATA_INSTANCE0_SRC             (KDATA_BASE_ADDR + 0x001B)
 521 #define KDATA_INSTANCE1_SRC             (KDATA_BASE_ADDR + 0x001C)
 522 #define KDATA_INSTANCE_SRC_ENDMARK      (KDATA_BASE_ADDR + 0x001D)
 523
 524 #define KDATA_INSTANCE0_MINISRC         (KDATA_BASE_ADDR + 0x001E)
 525 #define KDATA_INSTANCE1_MINISRC         (KDATA_BASE_ADDR + 0x001F)
 526 #define KDATA_INSTANCE2_MINISRC         (KDATA_BASE_ADDR + 0x0020)
 527 #define KDATA_INSTANCE3_MINISRC         (KDATA_BASE_ADDR + 0x0021)
 528 #define KDATA_INSTANCE_MINISRC_ENDMARK  (KDATA_BASE_ADDR + 0x0022)
 529
 530 #define KDATA_INSTANCE0_CPYTHRU         (KDATA_BASE_ADDR + 0x0023)
 531 #define KDATA_INSTANCE1_CPYTHRU         (KDATA_BASE_ADDR + 0x0024)
 532 #define KDATA_INSTANCE_CPYTHRU_ENDMARK  (KDATA_BASE_ADDR + 0x0025)
 533
 534 #define KDATA_CURRENT_DMA               (KDATA_BASE_ADDR + 0x0026)
 535 #define KDATA_DMA_SWITCH                (KDATA_BASE_ADDR + 0x0027)
 536 #define KDATA_DMA_ACTIVE                (KDATA_BASE_ADDR + 0x0028)
 537
 538 #define KDATA_DMA_XFER0                 (KDATA_BASE_ADDR + 0x0029)
 539 #define KDATA_DMA_XFER1                 (KDATA_BASE_ADDR + 0x002A)
 540 #define KDATA_DMA_XFER2                 (KDATA_BASE_ADDR + 0x002B)
 541 #define KDATA_DMA_XFER3                 (KDATA_BASE_ADDR + 0x002C)
 542 #define KDATA_DMA_XFER4                 (KDATA_BASE_ADDR + 0x002D)
 543 #define KDATA_DMA_XFER5                 (KDATA_BASE_ADDR + 0x002E)
 544 #define KDATA_DMA_XFER6                 (KDATA_BASE_ADDR + 0x002F)
 545 #define KDATA_DMA_XFER7                 (KDATA_BASE_ADDR + 0x0030)
 546 #define KDATA_DMA_XFER8                 (KDATA_BASE_ADDR + 0x0031)
 547 #define KDATA_DMA_XFER_ENDMARK          (KDATA_BASE_ADDR + 0x0032)
 548
 549 #define KDATA_I2S_SAMPLE_COUNT          (KDATA_BASE_ADDR + 0x0033)
 550 #define KDATA_I2S_INT_METER             (KDATA_BASE_ADDR + 0x0034)
 551 #define KDATA_I2S_ACTIVE                (KDATA_BASE_ADDR + 0x0035)
 552
 553 #define KDATA_TIMER_COUNT_RELOAD        (KDATA_BASE_ADDR + 0x0036)
 554 #define KDATA_TIMER_COUNT_CURRENT       (KDATA_BASE_ADDR + 0x0037)
 555
 556 #define KDATA_HALT_SYNCH_CLIENT         (KDATA_BASE_ADDR + 0x0038)
 557 #define KDATA_HALT_SYNCH_DMA            (KDATA_BASE_ADDR + 0x0039)
 558 #define KDATA_HALT_ACKNOWLEDGE          (KDATA_BASE_ADDR + 0x003A)
 559
 560 #define KDATA_ADC1_XFER0                (KDATA_BASE_ADDR + 0x003B)
 561 #define KDATA_ADC1_XFER_ENDMARK         (KDATA_BASE_ADDR + 0x003C)
 562 #define KDATA_ADC1_LEFT_VOLUME                  (KDATA_BASE_ADDR + 0x003D)
 563 #define KDATA_ADC1_RIGHT_VOLUME                 (KDATA_BASE_ADDR + 0x003E)
 564 #define KDATA_ADC1_LEFT_SUR_VOL                 (KDATA_BASE_ADDR + 0x003F)
 565 #define KDATA_ADC1_RIGHT_SUR_VOL                (KDATA_BASE_ADDR + 0x0040)
 566
 567 #define KDATA_ADC2_XFER0                (KDATA_BASE_ADDR + 0x0041)
 568 #define KDATA_ADC2_XFER_ENDMARK         (KDATA_BASE_ADDR + 0x0042)
 569 #define KDATA_ADC2_LEFT_VOLUME                  (KDATA_BASE_ADDR + 0x0043)
 570 #define KDATA_ADC2_RIGHT_VOLUME                 (KDATA_BASE_ADDR + 0x0044)
 571 #define KDATA_ADC2_LEFT_SUR_VOL                 (KDATA_BASE_ADDR + 0x0045)
 572 #define KDATA_ADC2_RIGHT_SUR_VOL                (KDATA_BASE_ADDR + 0x0046)
 573
 574 #define KDATA_CD_XFER0                                  (KDATA_BASE_ADDR + 0x0047)
 575 #define KDATA_CD_XFER_ENDMARK                   (KDATA_BASE_ADDR + 0x0048)
 576 #define KDATA_CD_LEFT_VOLUME                    (KDATA_BASE_ADDR + 0x0049)
 577 #define KDATA_CD_RIGHT_VOLUME                   (KDATA_BASE_ADDR + 0x004A)
 578 #define KDATA_CD_LEFT_SUR_VOL                   (KDATA_BASE_ADDR + 0x004B)
 579 #define KDATA_CD_RIGHT_SUR_VOL                  (KDATA_BASE_ADDR + 0x004C)
 580
 581 #define KDATA_MIC_XFER0                                 (KDATA_BASE_ADDR + 0x004D)
 582 #define KDATA_MIC_XFER_ENDMARK                  (KDATA_BASE_ADDR + 0x004E)
 583 #define KDATA_MIC_VOLUME                                (KDATA_BASE_ADDR + 0x004F)
 584 #define KDATA_MIC_SUR_VOL                               (KDATA_BASE_ADDR + 0x0050)
 585
 586 #define KDATA_I2S_XFER0                 (KDATA_BASE_ADDR + 0x0051)
 587 #define KDATA_I2S_XFER_ENDMARK          (KDATA_BASE_ADDR + 0x0052)
 588
 589 #define KDATA_CHI_XFER0                 (KDATA_BASE_ADDR + 0x0053)
 590 #define KDATA_CHI_XFER_ENDMARK          (KDATA_BASE_ADDR + 0x0054)
 591
 592 #define KDATA_SPDIF_XFER                (KDATA_BASE_ADDR + 0x0055)
 593 #define KDATA_SPDIF_CURRENT_FRAME       (KDATA_BASE_ADDR + 0x0056)
 594 #define KDATA_SPDIF_FRAME0              (KDATA_BASE_ADDR + 0x0057)
 595 #define KDATA_SPDIF_FRAME1              (KDATA_BASE_ADDR + 0x0058)
 596 #define KDATA_SPDIF_FRAME2              (KDATA_BASE_ADDR + 0x0059)
 597
 598 #define KDATA_SPDIF_REQUEST             (KDATA_BASE_ADDR + 0x005A)
 599 #define KDATA_SPDIF_TEMP                (KDATA_BASE_ADDR + 0x005B)
 600
 601 #define KDATA_SPDIFIN_XFER0             (KDATA_BASE_ADDR + 0x005C)
 602 #define KDATA_SPDIFIN_XFER_ENDMARK      (KDATA_BASE_ADDR + 0x005D)
 603 #define KDATA_SPDIFIN_INT_METER         (KDATA_BASE_ADDR + 0x005E)
 604
 605 #define KDATA_DSP_RESET_COUNT           (KDATA_BASE_ADDR + 0x005F)
 606 #define KDATA_DEBUG_OUTPUT              (KDATA_BASE_ADDR + 0x0060)
 607
 608 #define KDATA_KERNEL_ISR_LIST           (KDATA_BASE_ADDR + 0x0061)
 609
 610 #define KDATA_KERNEL_ISR_CBSR1          (KDATA_BASE_ADDR + 0x0062)
 611 #define KDATA_KERNEL_ISR_CBER1          (KDATA_BASE_ADDR + 0x0063)
 612 #define KDATA_KERNEL_ISR_CBCR           (KDATA_BASE_ADDR + 0x0064)
 613 #define KDATA_KERNEL_ISR_AR0            (KDATA_BASE_ADDR + 0x0065)
 614 #define KDATA_KERNEL_ISR_AR1            (KDATA_BASE_ADDR + 0x0066)
 615 #define KDATA_KERNEL_ISR_AR2            (KDATA_BASE_ADDR + 0x0067)
 616 #define KDATA_KERNEL_ISR_AR3            (KDATA_BASE_ADDR + 0x0068)
 617 #define KDATA_KERNEL_ISR_AR4            (KDATA_BASE_ADDR + 0x0069)
 618 #define KDATA_KERNEL_ISR_AR5            (KDATA_BASE_ADDR + 0x006A)
 619 #define KDATA_KERNEL_ISR_BRCR           (KDATA_BASE_ADDR + 0x006B)
 620 #define KDATA_KERNEL_ISR_PASR           (KDATA_BASE_ADDR + 0x006C)
 621 #define KDATA_KERNEL_ISR_PAER           (KDATA_BASE_ADDR + 0x006D)
 622
 623 #define KDATA_CLIENT_SCRATCH0           (KDATA_BASE_ADDR + 0x006E)
 624 #define KDATA_CLIENT_SCRATCH1           (KDATA_BASE_ADDR + 0x006F)
 625 #define KDATA_KERNEL_SCRATCH            (KDATA_BASE_ADDR + 0x0070)
 626 #define KDATA_KERNEL_ISR_SCRATCH        (KDATA_BASE_ADDR + 0x0071)
 627
 628 #define KDATA_OUEUE_LEFT                (KDATA_BASE_ADDR + 0x0072)
 629 #define KDATA_QUEUE_RIGHT               (KDATA_BASE_ADDR + 0x0073)
 630
 631 #define KDATA_ADC1_REQUEST              (KDATA_BASE_ADDR + 0x0074)
 632 #define KDATA_ADC2_REQUEST              (KDATA_BASE_ADDR + 0x0075)
 633 #define KDATA_CD_REQUEST                                (KDATA_BASE_ADDR + 0x0076)
 634 #define KDATA_MIC_REQUEST                               (KDATA_BASE_ADDR + 0x0077)
 635
 636 #define KDATA_ADC1_MIXER_REQUEST        (KDATA_BASE_ADDR + 0x0078)
 637 #define KDATA_ADC2_MIXER_REQUEST        (KDATA_BASE_ADDR + 0x0079)
 638 #define KDATA_CD_MIXER_REQUEST                  (KDATA_BASE_ADDR + 0x007A)
 639 #define KDATA_MIC_MIXER_REQUEST                 (KDATA_BASE_ADDR + 0x007B)
 640 #define KDATA_MIC_SYNC_COUNTER                  (KDATA_BASE_ADDR + 0x007C)
 641
 642 /*
 643  * second 'segment' (?) reserved for mixer
 644  * buffers..
 645  */
 646
 647 #define KDATA_MIXER_WORD0               (KDATA_BASE_ADDR2 + 0x0000)
 648 #define KDATA_MIXER_WORD1               (KDATA_BASE_ADDR2 + 0x0001)
 649 #define KDATA_MIXER_WORD2               (KDATA_BASE_ADDR2 + 0x0002)
 650 #define KDATA_MIXER_WORD3               (KDATA_BASE_ADDR2 + 0x0003)
 651 #define KDATA_MIXER_WORD4               (KDATA_BASE_ADDR2 + 0x0004)
 652 #define KDATA_MIXER_WORD5               (KDATA_BASE_ADDR2 + 0x0005)
 653 #define KDATA_MIXER_WORD6               (KDATA_BASE_ADDR2 + 0x0006)
 654 #define KDATA_MIXER_WORD7               (KDATA_BASE_ADDR2 + 0x0007)
 655 #define KDATA_MIXER_WORD8               (KDATA_BASE_ADDR2 + 0x0008)
 656 #define KDATA_MIXER_WORD9               (KDATA_BASE_ADDR2 + 0x0009)
 657 #define KDATA_MIXER_WORDA               (KDATA_BASE_ADDR2 + 0x000A)
 658 #define KDATA_MIXER_WORDB               (KDATA_BASE_ADDR2 + 0x000B)
 659 #define KDATA_MIXER_WORDC               (KDATA_BASE_ADDR2 + 0x000C)
 660 #define KDATA_MIXER_WORDD               (KDATA_BASE_ADDR2 + 0x000D)
 661 #define KDATA_MIXER_WORDE               (KDATA_BASE_ADDR2 + 0x000E)
 662 #define KDATA_MIXER_WORDF               (KDATA_BASE_ADDR2 + 0x000F)
 663
 664 #define KDATA_MIXER_XFER0               (KDATA_BASE_ADDR2 + 0x0010)
 665 #define KDATA_MIXER_XFER1               (KDATA_BASE_ADDR2 + 0x0011)
 666 #define KDATA_MIXER_XFER2               (KDATA_BASE_ADDR2 + 0x0012)
 667 #define KDATA_MIXER_XFER3               (KDATA_BASE_ADDR2 + 0x0013)
 668 #define KDATA_MIXER_XFER4               (KDATA_BASE_ADDR2 + 0x0014)
 669 #define KDATA_MIXER_XFER5               (KDATA_BASE_ADDR2 + 0x0015)
 670 #define KDATA_MIXER_XFER6               (KDATA_BASE_ADDR2 + 0x0016)
 671 #define KDATA_MIXER_XFER7               (KDATA_BASE_ADDR2 + 0x0017)
 672 #define KDATA_MIXER_XFER8               (KDATA_BASE_ADDR2 + 0x0018)
 673 #define KDATA_MIXER_XFER9               (KDATA_BASE_ADDR2 + 0x0019)
 674 #define KDATA_MIXER_XFER_ENDMARK        (KDATA_BASE_ADDR2 + 0x001A)
 675
 676 #define KDATA_MIXER_TASK_NUMBER         (KDATA_BASE_ADDR2 + 0x001B)
 677 #define KDATA_CURRENT_MIXER             (KDATA_BASE_ADDR2 + 0x001C)
 678 #define KDATA_MIXER_ACTIVE              (KDATA_BASE_ADDR2 + 0x001D)
 679 #define KDATA_MIXER_BANK_STATUS         (KDATA_BASE_ADDR2 + 0x001E)
 680 #define KDATA_DAC_LEFT_VOLUME           (KDATA_BASE_ADDR2 + 0x001F)
 681 #define KDATA_DAC_RIGHT_VOLUME          (KDATA_BASE_ADDR2 + 0x0020)
 682
 683 #define MAX_INSTANCE_MINISRC            (KDATA_INSTANCE_MINISRC_ENDMARK - KDATA_INSTANCE0_MINISRC)
 684 #define MAX_VIRTUAL_DMA_CHANNELS        (KDATA_DMA_XFER_ENDMARK - KDATA_DMA_XFER0)
 685 #define MAX_VIRTUAL_MIXER_CHANNELS      (KDATA_MIXER_XFER_ENDMARK - KDATA_MIXER_XFER0)
 686 #define MAX_VIRTUAL_ADC1_CHANNELS       (KDATA_ADC1_XFER_ENDMARK - KDATA_ADC1_XFER0)
 687
 688 /*
 689  * client data area offsets
 690  */
 691 #define CDATA_INSTANCE_READY            0x00
 692
 693 #define CDATA_HOST_SRC_ADDRL            0x01
 694 #define CDATA_HOST_SRC_ADDRH            0x02
 695 #define CDATA_HOST_SRC_END_PLUS_1L      0x03
 696 #define CDATA_HOST_SRC_END_PLUS_1H      0x04
 697 #define CDATA_HOST_SRC_CURRENTL         0x05
 698 #define CDATA_HOST_SRC_CURRENTH         0x06
 699
 700 #define CDATA_IN_BUF_CONNECT            0x07
 701 #define CDATA_OUT_BUF_CONNECT           0x08
 702
 703 #define CDATA_IN_BUF_BEGIN              0x09
 704 #define CDATA_IN_BUF_END_PLUS_1         0x0A
 705 #define CDATA_IN_BUF_HEAD               0x0B
 706 #define CDATA_IN_BUF_TAIL               0x0C
 707 #define CDATA_OUT_BUF_BEGIN             0x0D
 708 #define CDATA_OUT_BUF_END_PLUS_1        0x0E
 709 #define CDATA_OUT_BUF_HEAD              0x0F
 710 #define CDATA_OUT_BUF_TAIL              0x10
 711
 712 #define CDATA_DMA_CONTROL               0x11
 713 #define CDATA_RESERVED                  0x12
 714
 715 #define CDATA_FREQUENCY                 0x13
 716 #define CDATA_LEFT_VOLUME               0x14
 717 #define CDATA_RIGHT_VOLUME              0x15
 718 #define CDATA_LEFT_SUR_VOL              0x16
 719 #define CDATA_RIGHT_SUR_VOL             0x17
 720
 721 #define CDATA_HEADER_LEN                0x18
 722
 723 #define SRC3_DIRECTION_OFFSET           CDATA_HEADER_LEN
 724 #define SRC3_MODE_OFFSET                (CDATA_HEADER_LEN + 1)
 725 #define SRC3_WORD_LENGTH_OFFSET         (CDATA_HEADER_LEN + 2)
 726 #define SRC3_PARAMETER_OFFSET           (CDATA_HEADER_LEN + 3)
 727 #define SRC3_COEFF_ADDR_OFFSET          (CDATA_HEADER_LEN + 8)
 728 #define SRC3_FILTAP_ADDR_OFFSET         (CDATA_HEADER_LEN + 10)
 729 #define SRC3_TEMP_INBUF_ADDR_OFFSET     (CDATA_HEADER_LEN + 16)
 730 #define SRC3_TEMP_OUTBUF_ADDR_OFFSET    (CDATA_HEADER_LEN + 17)
 731
 732 #define MINISRC_IN_BUFFER_SIZE   ( 0x50 * 2 )
 733 #define MINISRC_OUT_BUFFER_SIZE  ( 0x50 * 2 * 2)
 734 #define MINISRC_TMP_BUFFER_SIZE  ( 112 + ( MINISRC_BIQUAD_STAGE * 3 + 4 ) * 2 * 2 )
 735 #define MINISRC_BIQUAD_STAGE    2
 736 #define MINISRC_COEF_LOC          0x175
 737
 738 #define DMACONTROL_BLOCK_MASK           0x000F
 739 #define  DMAC_BLOCK0_SELECTOR           0x0000
 740 #define  DMAC_BLOCK1_SELECTOR           0x0001
 741 #define  DMAC_BLOCK2_SELECTOR           0x0002
 742 #define  DMAC_BLOCK3_SELECTOR           0x0003
 743 #define  DMAC_BLOCK4_SELECTOR           0x0004
 744 #define  DMAC_BLOCK5_SELECTOR           0x0005
 745 #define  DMAC_BLOCK6_SELECTOR           0x0006
 746 #define  DMAC_BLOCK7_SELECTOR           0x0007
 747 #define  DMAC_BLOCK8_SELECTOR           0x0008
 748 #define  DMAC_BLOCK9_SELECTOR           0x0009
 749 #define  DMAC_BLOCKA_SELECTOR           0x000A
 750 #define  DMAC_BLOCKB_SELECTOR           0x000B
 751 #define  DMAC_BLOCKC_SELECTOR           0x000C
 752 #define  DMAC_BLOCKD_SELECTOR           0x000D
 753 #define  DMAC_BLOCKE_SELECTOR           0x000E
 754 #define  DMAC_BLOCKF_SELECTOR           0x000F
 755 #define DMACONTROL_PAGE_MASK            0x00F0
 756 #define  DMAC_PAGE0_SELECTOR            0x0030
 757 #define  DMAC_PAGE1_SELECTOR            0x0020
 758 #define  DMAC_PAGE2_SELECTOR            0x0010
 759 #define  DMAC_PAGE3_SELECTOR            0x0000
 760 #define DMACONTROL_AUTOREPEAT           0x1000
 761 #define DMACONTROL_STOPPED              0x2000
 762 #define DMACONTROL_DIRECTION            0x0100
 763
 764 /*
 765  * an arbitrary volume we set the internal
 766  * volume settings to so that the ac97 volume
 767  * range is a little less insane.  0x7fff is
 768  * max.
 769  */
 770 #define ARB_VOLUME ( 0x6800 )
 771
 772 /*
 773  */
 774
 775 struct m3_list {
 776         int curlen;
 777         int mem_addr;
 778         int max;
 779 };
 780
 781 struct m3_dma {
 782
 783         int number;
 784         struct snd_pcm_substream *substream;
 785
 786         struct assp_instance {
 787                 unsigned short code, data;
 788         } inst;
 789
 790         int running;
 791         int opened;
 792
 793         unsigned long buffer_addr;
 794         int dma_size;
 795         int period_size;
 796         unsigned int hwptr;
 797         int count;
 798
 799         int index[3];
 800         struct m3_list *index_list[3];
 801
 802         int in_lists;
 803
 804         struct list_head list;
 805
 806 };
 807
 808 struct snd_m3 {
 809
 810         struct snd_card *card;
 811
 812         unsigned long iobase;
 813
 814         int irq;
 815         unsigned int allegro_flag : 1;
 816
 817         struct snd_ac97 *ac97;
 818
 819         struct snd_pcm *pcm;
 820
 821         struct pci_dev *pci;
 822
 823         int dacs_active;
 824         int timer_users;
 825
 826         struct m3_list  msrc_list;
 827         struct m3_list  mixer_list;
 828         struct m3_list  adc1_list;
 829         struct m3_list  dma_list;
 830
 831         /* for storing reset state..*/
 832         u8 reset_state;
 833
 834         int external_amp;
 835         int amp_gpio;   /* gpio pin #  for external amp, -1 = default */
 836         unsigned int hv_config;         /* hardware-volume config bits */
 837         unsigned irda_workaround :1;    /* avoid to touch 0x10 on GPIO_DIRECTION
 838                                            (e.g. for IrDA on Dell Inspirons) */
 839         unsigned is_omnibook :1;        /* Do HP OmniBook GPIO magic? */
 840
 841         /* midi */
 842         struct snd_rawmidi *rmidi;
 843
 844         /* pcm streams */
 845         int num_substreams;
 846         struct m3_dma *substreams;
 847
 848         spinlock_t reg_lock;
 849         spinlock_t ac97_lock;
 850
 851         struct snd_kcontrol *master_switch;
 852         struct snd_kcontrol *master_volume;
 853         struct tasklet_struct hwvol_tq;
 854
 855 #ifdef CONFIG_PM
 856         u16 *suspend_mem;
 857 #endif
 858
 859         const struct firmware *assp_kernel_image;
 860         const struct firmware *assp_minisrc_image;
 861 };
 862
 863 /*
 864  * pci ids
 865  */
 866 static struct pci_device_id snd_m3_ids[] = {
 867         {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ALLEGRO_1, PCI_ANY_ID, PCI_ANY_ID,
 868          PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 869         {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ALLEGRO, PCI_ANY_ID, PCI_ANY_ID,
 870          PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 871         {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_CANYON3D_2LE, PCI_ANY_ID, PCI_ANY_ID,
 872          PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 873         {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_CANYON3D_2, PCI_ANY_ID, PCI_ANY_ID,
 874          PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 875         {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3, PCI_ANY_ID, PCI_ANY_ID,
 876          PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 877         {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_1, PCI_ANY_ID, PCI_ANY_ID,
 878          PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 879         {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_HW, PCI_ANY_ID, PCI_ANY_ID,
 880          PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 881         {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_2, PCI_ANY_ID, PCI_ANY_ID,
 882          PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 883         {0,},
 884 };
 885
 886 MODULE_DEVICE_TABLE(pci, snd_m3_ids);
 887
 888 static struct snd_pci_quirk m3_amp_quirk_list[] __devinitdata = {
 889         SND_PCI_QUIRK(0x10f7, 0x833e, "Panasonic CF-28", 0x0d),
 890         SND_PCI_QUIRK(0x10f7, 0x833d, "Panasonic CF-72", 0x0d),
 891         SND_PCI_QUIRK(0x1033, 0x80f1, "NEC LM800J/7", 0x03),
 892         SND_PCI_QUIRK(0x1509, 0x1740, "LEGEND ZhaoYang 3100CF", 0x03),
 893         { } /* END */
 894 };
 895
 896 static struct snd_pci_quirk m3_irda_quirk_list[] __devinitdata = {
 897         SND_PCI_QUIRK(0x1028, 0x00b0, "Dell Inspiron 4000", 1),
 898         SND_PCI_QUIRK(0x1028, 0x00a4, "Dell Inspiron 8000", 1),
 899         SND_PCI_QUIRK(0x1028, 0x00e6, "Dell Inspiron 8100", 1),
 900         { } /* END */
 901 };
 902
 903 /* hardware volume quirks */
 904 static struct snd_pci_quirk m3_hv_quirk_list[] __devinitdata = {
 905         /* Allegro chips */
 906         SND_PCI_QUIRK(0x0E11, 0x002E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 907         SND_PCI_QUIRK(0x0E11, 0x0094, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 908         SND_PCI_QUIRK(0x0E11, 0xB112, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 909         SND_PCI_QUIRK(0x0E11, 0xB114, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 910         SND_PCI_QUIRK(0x103C, 0x0012, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 911         SND_PCI_QUIRK(0x103C, 0x0018, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 912         SND_PCI_QUIRK(0x103C, 0x001C, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 913         SND_PCI_QUIRK(0x103C, 0x001D, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 914         SND_PCI_QUIRK(0x103C, 0x001E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 915         SND_PCI_QUIRK(0x107B, 0x3350, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 916         SND_PCI_QUIRK(0x10F7, 0x8338, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 917         SND_PCI_QUIRK(0x10F7, 0x833C, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 918         SND_PCI_QUIRK(0x10F7, 0x833D, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 919         SND_PCI_QUIRK(0x10F7, 0x833E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 920         SND_PCI_QUIRK(0x10F7, 0x833F, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 921         SND_PCI_QUIRK(0x13BD, 0x1018, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 922         SND_PCI_QUIRK(0x13BD, 0x1019, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 923         SND_PCI_QUIRK(0x13BD, 0x101A, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 924         SND_PCI_QUIRK(0x14FF, 0x0F03, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 925         SND_PCI_QUIRK(0x14FF, 0x0F04, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 926         SND_PCI_QUIRK(0x14FF, 0x0F05, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 927         SND_PCI_QUIRK(0x156D, 0xB400, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 928         SND_PCI_QUIRK(0x156D, 0xB795, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 929         SND_PCI_QUIRK(0x156D, 0xB797, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 930         SND_PCI_QUIRK(0x156D, 0xC700, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
 931         SND_PCI_QUIRK(0x1033, 0x80F1, NULL,
 932                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 933         SND_PCI_QUIRK(0x103C, 0x001A, NULL, /* HP OmniBook 6100 */
 934                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 935         SND_PCI_QUIRK(0x107B, 0x340A, NULL,
 936                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 937         SND_PCI_QUIRK(0x107B, 0x3450, NULL,
 938                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 939         SND_PCI_QUIRK(0x109F, 0x3134, NULL,
 940                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 941         SND_PCI_QUIRK(0x109F, 0x3161, NULL,
 942                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 943         SND_PCI_QUIRK(0x144D, 0x3280, NULL,
 944                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 945         SND_PCI_QUIRK(0x144D, 0x3281, NULL,
 946                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 947         SND_PCI_QUIRK(0x144D, 0xC002, NULL,
 948                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 949         SND_PCI_QUIRK(0x144D, 0xC003, NULL,
 950                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 951         SND_PCI_QUIRK(0x1509, 0x1740, NULL,
 952                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 953         SND_PCI_QUIRK(0x1610, 0x0010, NULL,
 954                       HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
 955         SND_PCI_QUIRK(0x1042, 0x1042, NULL, HV_CTRL_ENABLE),
 956         SND_PCI_QUIRK(0x107B, 0x9500, NULL, HV_CTRL_ENABLE),
 957         SND_PCI_QUIRK(0x14FF, 0x0F06, NULL, HV_CTRL_ENABLE),
 958         SND_PCI_QUIRK(0x1558, 0x8586, NULL, HV_CTRL_ENABLE),
 959         SND_PCI_QUIRK(0x161F, 0x2011, NULL, HV_CTRL_ENABLE),
 960         /* Maestro3 chips */
 961         SND_PCI_QUIRK(0x103C, 0x000E, NULL, HV_CTRL_ENABLE),
 962         SND_PCI_QUIRK(0x103C, 0x0010, NULL, HV_CTRL_ENABLE),
 963         SND_PCI_QUIRK(0x103C, 0x0011, NULL, HV_CTRL_ENABLE),
 964         SND_PCI_QUIRK(0x103C, 0x001B, NULL, HV_CTRL_ENABLE),
 965         SND_PCI_QUIRK(0x104D, 0x80A6, NULL, HV_CTRL_ENABLE),
 966         SND_PCI_QUIRK(0x104D, 0x80AA, NULL, HV_CTRL_ENABLE),
 967         SND_PCI_QUIRK(0x107B, 0x5300, NULL, HV_CTRL_ENABLE),
 968         SND_PCI_QUIRK(0x110A, 0x1998, NULL, HV_CTRL_ENABLE),
 969         SND_PCI_QUIRK(0x13BD, 0x1015, NULL, HV_CTRL_ENABLE),
 970         SND_PCI_QUIRK(0x13BD, 0x101C, NULL, HV_CTRL_ENABLE),
 971         SND_PCI_QUIRK(0x13BD, 0x1802, NULL, HV_CTRL_ENABLE),
 972         SND_PCI_QUIRK(0x1599, 0x0715, NULL, HV_CTRL_ENABLE),
 973         SND_PCI_QUIRK(0x5643, 0x5643, NULL, HV_CTRL_ENABLE),
 974         SND_PCI_QUIRK(0x144D, 0x3260, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
 975         SND_PCI_QUIRK(0x144D, 0x3261, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
 976         SND_PCI_QUIRK(0x144D, 0xC000, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
 977         SND_PCI_QUIRK(0x144D, 0xC001, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
 978         { } /* END */
 979 };
 980
 981 /* HP Omnibook quirks */
 982 static struct snd_pci_quirk m3_omnibook_quirk_list[] __devinitdata = {
 983         SND_PCI_QUIRK_ID(0x103c, 0x0010), /* HP OmniBook 6000 */
 984         SND_PCI_QUIRK_ID(0x103c, 0x0011), /* HP OmniBook 500 */
 985         { } /* END */
 986 };
 987
 988 /*
 989  * lowlevel functions
 990  */
 991
 992 static inline void snd_m3_outw(struct snd_m3 *chip, u16 value, unsigned long reg)
 993 {
 994         outw(value, chip->iobase + reg);
 995 }
 996
 997 static inline u16 snd_m3_inw(struct snd_m3 *chip, unsigned long reg)
 998 {
 999         return inw(chip->iobase + reg);
1000 }
1001
1002 static inline void snd_m3_outb(struct snd_m3 *chip, u8 value, unsigned long reg)
1003 {
1004         outb(value, chip->iobase + reg);
1005 }
1006
1007 static inline u8 snd_m3_inb(struct snd_m3 *chip, unsigned long reg)
1008 {
1009         return inb(chip->iobase + reg);
1010 }
1011
1012 /*
1013  * access 16bit words to the code or data regions of the dsp's memory.
1014  * index addresses 16bit words.
1015  */
1016 static u16 snd_m3_assp_read(struct snd_m3 *chip, u16 region, u16 index)
1017 {
1018         snd_m3_outw(chip, region & MEMTYPE_MASK, DSP_PORT_MEMORY_TYPE);
1019         snd_m3_outw(chip, index, DSP_PORT_MEMORY_INDEX);
1020         return snd_m3_inw(chip, DSP_PORT_MEMORY_DATA);
1021 }
1022
1023 static void snd_m3_assp_write(struct snd_m3 *chip, u16 region, u16 index, u16 data)
1024 {
1025         snd_m3_outw(chip, region & MEMTYPE_MASK, DSP_PORT_MEMORY_TYPE);
1026         snd_m3_outw(chip, index, DSP_PORT_MEMORY_INDEX);
1027         snd_m3_outw(chip, data, DSP_PORT_MEMORY_DATA);
1028 }
1029
1030 static void snd_m3_assp_halt(struct snd_m3 *chip)
1031 {
1032         chip->reset_state = snd_m3_inb(chip, DSP_PORT_CONTROL_REG_B) & ~REGB_STOP_CLOCK;
1033         msleep(10);
1034         snd_m3_outb(chip, chip->reset_state & ~REGB_ENABLE_RESET, DSP_PORT_CONTROL_REG_B);
1035 }
1036
1037 static void snd_m3_assp_continue(struct snd_m3 *chip)
1038 {
1039         snd_m3_outb(chip, chip->reset_state | REGB_ENABLE_RESET, DSP_PORT_CONTROL_REG_B);
1040 }
1041
1042
1043 /*
1044  * This makes me sad. the maestro3 has lists
1045  * internally that must be packed.. 0 terminates,
1046  * apparently, or maybe all unused entries have
1047  * to be 0, the lists have static lengths set
1048  * by the binary code images.
1049  */
1050
1051 static int snd_m3_add_list(struct snd_m3 *chip, struct m3_list *list, u16 val)
1052 {
1053         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1054                           list->mem_addr + list->curlen,
1055                           val);
1056         return list->curlen++;
1057 }
1058
1059 static void snd_m3_remove_list(struct snd_m3 *chip, struct m3_list *list, int index)
1060 {
1061         u16  val;
1062         int lastindex = list->curlen - 1;
1063
1064         if (index != lastindex) {
1065                 val = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1066                                        list->mem_addr + lastindex);
1067                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1068                                   list->mem_addr + index,
1069                                   val);
1070         }
1071
1072         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1073                           list->mem_addr + lastindex,
1074                           0);
1075
1076         list->curlen--;
1077 }
1078
1079 static void snd_m3_inc_timer_users(struct snd_m3 *chip)
1080 {
1081         chip->timer_users++;
1082         if (chip->timer_users != 1)
1083                 return;
1084
1085         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1086                           KDATA_TIMER_COUNT_RELOAD,
1087                           240);
1088
1089         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1090                           KDATA_TIMER_COUNT_CURRENT,
1091                           240);
1092
1093         snd_m3_outw(chip,
1094                     snd_m3_inw(chip, HOST_INT_CTRL) | CLKRUN_GEN_ENABLE,
1095                     HOST_INT_CTRL);
1096 }
1097
1098 static void snd_m3_dec_timer_users(struct snd_m3 *chip)
1099 {
1100         chip->timer_users--;
1101         if (chip->timer_users > 0)
1102                 return;
1103
1104         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1105                           KDATA_TIMER_COUNT_RELOAD,
1106                           0);
1107
1108         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1109                           KDATA_TIMER_COUNT_CURRENT,
1110                           0);
1111
1112         snd_m3_outw(chip,
1113                     snd_m3_inw(chip, HOST_INT_CTRL) & ~CLKRUN_GEN_ENABLE,
1114                     HOST_INT_CTRL);
1115 }
1116
1117 /*
1118  * start/stop
1119  */
1120
1121 /* spinlock held! */
1122 static int snd_m3_pcm_start(struct snd_m3 *chip, struct m3_dma *s,
1123                             struct snd_pcm_substream *subs)
1124 {
1125         if (! s || ! subs)
1126                 return -EINVAL;
1127
1128         snd_m3_inc_timer_users(chip);
1129         switch (subs->stream) {
1130         case SNDRV_PCM_STREAM_PLAYBACK:
1131                 chip->dacs_active++;
1132                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1133                                   s->inst.data + CDATA_INSTANCE_READY, 1);
1134                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1135                                   KDATA_MIXER_TASK_NUMBER,
1136                                   chip->dacs_active);
1137                 break;
1138         case SNDRV_PCM_STREAM_CAPTURE:
1139                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1140                                   KDATA_ADC1_REQUEST, 1);
1141                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1142                                   s->inst.data + CDATA_INSTANCE_READY, 1);
1143                 break;
1144         }
1145         return 0;
1146 }
1147
1148 /* spinlock held! */
1149 static int snd_m3_pcm_stop(struct snd_m3 *chip, struct m3_dma *s,
1150                            struct snd_pcm_substream *subs)
1151 {
1152         if (! s || ! subs)
1153                 return -EINVAL;
1154
1155         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1156                           s->inst.data + CDATA_INSTANCE_READY, 0);
1157         snd_m3_dec_timer_users(chip);
1158         switch (subs->stream) {
1159         case SNDRV_PCM_STREAM_PLAYBACK:
1160                 chip->dacs_active--;
1161                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1162                                   KDATA_MIXER_TASK_NUMBER,
1163                                   chip->dacs_active);
1164                 break;
1165         case SNDRV_PCM_STREAM_CAPTURE:
1166                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1167                                   KDATA_ADC1_REQUEST, 0);
1168                 break;
1169         }
1170         return 0;
1171 }
1172
1173 static int
1174 snd_m3_pcm_trigger(struct snd_pcm_substream *subs, int cmd)
1175 {
1176         struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1177         struct m3_dma *s = subs->runtime->private_data;
1178         int err = -EINVAL;
1179
1180         snd_assert(s != NULL, return -ENXIO);
1181
1182         spin_lock(&chip->reg_lock);
1183         switch (cmd) {
1184         case SNDRV_PCM_TRIGGER_START:
1185         case SNDRV_PCM_TRIGGER_RESUME:
1186                 if (s->running)
1187                         err = -EBUSY;
1188                 else {
1189                         s->running = 1;
1190                         err = snd_m3_pcm_start(chip, s, subs);
1191                 }
1192                 break;
1193         case SNDRV_PCM_TRIGGER_STOP:
1194         case SNDRV_PCM_TRIGGER_SUSPEND:
1195                 if (! s->running)
1196                         err = 0; /* should return error? */
1197                 else {
1198                         s->running = 0;
1199                         err = snd_m3_pcm_stop(chip, s, subs);
1200                 }
1201                 break;
1202         }
1203         spin_unlock(&chip->reg_lock);
1204         return err;
1205 }
1206
1207 /*
1208  * setup
1209  */
1210 static void
1211 snd_m3_pcm_setup1(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1212 {
1213         int dsp_in_size, dsp_out_size, dsp_in_buffer, dsp_out_buffer;
1214         struct snd_pcm_runtime *runtime = subs->runtime;
1215
1216         if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1217                 dsp_in_size = MINISRC_IN_BUFFER_SIZE - (0x20 * 2);
1218                 dsp_out_size = MINISRC_OUT_BUFFER_SIZE - (0x20 * 2);
1219         } else {
1220                 dsp_in_size = MINISRC_IN_BUFFER_SIZE - (0x10 * 2);
1221                 dsp_out_size = MINISRC_OUT_BUFFER_SIZE - (0x10 * 2);
1222         }
1223         dsp_in_buffer = s->inst.data + (MINISRC_TMP_BUFFER_SIZE / 2);
1224         dsp_out_buffer = dsp_in_buffer + (dsp_in_size / 2) + 1;
1225
1226         s->dma_size = frames_to_bytes(runtime, runtime->buffer_size);
1227         s->period_size = frames_to_bytes(runtime, runtime->period_size);
1228         s->hwptr = 0;
1229         s->count = 0;
1230
1231 #define LO(x) ((x) & 0xffff)
1232 #define HI(x) LO((x) >> 16)
1233
1234         /* host dma buffer pointers */
1235         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1236                           s->inst.data + CDATA_HOST_SRC_ADDRL,
1237                           LO(s->buffer_addr));
1238
1239         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1240                           s->inst.data + CDATA_HOST_SRC_ADDRH,
1241                           HI(s->buffer_addr));
1242
1243         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1244                           s->inst.data + CDATA_HOST_SRC_END_PLUS_1L,
1245                           LO(s->buffer_addr + s->dma_size));
1246
1247         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1248                           s->inst.data + CDATA_HOST_SRC_END_PLUS_1H,
1249                           HI(s->buffer_addr + s->dma_size));
1250
1251         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1252                           s->inst.data + CDATA_HOST_SRC_CURRENTL,
1253                           LO(s->buffer_addr));
1254
1255         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1256                           s->inst.data + CDATA_HOST_SRC_CURRENTH,
1257                           HI(s->buffer_addr));
1258 #undef LO
1259 #undef HI
1260
1261         /* dsp buffers */
1262
1263         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1264                           s->inst.data + CDATA_IN_BUF_BEGIN,
1265                           dsp_in_buffer);
1266
1267         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1268                           s->inst.data + CDATA_IN_BUF_END_PLUS_1,
1269                           dsp_in_buffer + (dsp_in_size / 2));
1270
1271         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1272                           s->inst.data + CDATA_IN_BUF_HEAD,
1273                           dsp_in_buffer);
1274
1275         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1276                           s->inst.data + CDATA_IN_BUF_TAIL,
1277                           dsp_in_buffer);
1278
1279         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1280                           s->inst.data + CDATA_OUT_BUF_BEGIN,
1281                           dsp_out_buffer);
1282
1283         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1284                           s->inst.data + CDATA_OUT_BUF_END_PLUS_1,
1285                           dsp_out_buffer + (dsp_out_size / 2));
1286
1287         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1288                           s->inst.data + CDATA_OUT_BUF_HEAD,
1289                           dsp_out_buffer);
1290
1291         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1292                           s->inst.data + CDATA_OUT_BUF_TAIL,
1293                           dsp_out_buffer);
1294 }
1295
1296 static void snd_m3_pcm_setup2(struct snd_m3 *chip, struct m3_dma *s,
1297                               struct snd_pcm_runtime *runtime)
1298 {
1299         u32 freq;
1300
1301         /*
1302          * put us in the lists if we're not already there
1303          */
1304         if (! s->in_lists) {
1305                 s->index[0] = snd_m3_add_list(chip, s->index_list[0],
1306                                               s->inst.data >> DP_SHIFT_COUNT);
1307                 s->index[1] = snd_m3_add_list(chip, s->index_list[1],
1308                                               s->inst.data >> DP_SHIFT_COUNT);
1309                 s->index[2] = snd_m3_add_list(chip, s->index_list[2],
1310                                               s->inst.data >> DP_SHIFT_COUNT);
1311                 s->in_lists = 1;
1312         }
1313
1314         /* write to 'mono' word */
1315         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1316                           s->inst.data + SRC3_DIRECTION_OFFSET + 1,
1317                           runtime->channels == 2 ? 0 : 1);
1318         /* write to '8bit' word */
1319         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1320                           s->inst.data + SRC3_DIRECTION_OFFSET + 2,
1321                           snd_pcm_format_width(runtime->format) == 16 ? 0 : 1);
1322
1323         /* set up dac/adc rate */
1324         freq = ((runtime->rate << 15) + 24000 ) / 48000;
1325         if (freq)
1326                 freq--;
1327
1328         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1329                           s->inst.data + CDATA_FREQUENCY,
1330                           freq);
1331 }
1332
1333
1334 static const struct play_vals {
1335         u16 addr, val;
1336 } pv[] = {
1337         {CDATA_LEFT_VOLUME, ARB_VOLUME},
1338         {CDATA_RIGHT_VOLUME, ARB_VOLUME},
1339         {SRC3_DIRECTION_OFFSET, 0} ,
1340         /* +1, +2 are stereo/16 bit */
1341         {SRC3_DIRECTION_OFFSET + 3, 0x0000}, /* fraction? */
1342         {SRC3_DIRECTION_OFFSET + 4, 0}, /* first l */
1343         {SRC3_DIRECTION_OFFSET + 5, 0}, /* first r */
1344         {SRC3_DIRECTION_OFFSET + 6, 0}, /* second l */
1345         {SRC3_DIRECTION_OFFSET + 7, 0}, /* second r */
1346         {SRC3_DIRECTION_OFFSET + 8, 0}, /* delta l */
1347         {SRC3_DIRECTION_OFFSET + 9, 0}, /* delta r */
1348         {SRC3_DIRECTION_OFFSET + 10, 0x8000}, /* round */
1349         {SRC3_DIRECTION_OFFSET + 11, 0xFF00}, /* higher bute mark */
1350         {SRC3_DIRECTION_OFFSET + 13, 0}, /* temp0 */
1351         {SRC3_DIRECTION_OFFSET + 14, 0}, /* c fraction */
1352         {SRC3_DIRECTION_OFFSET + 15, 0}, /* counter */
1353         {SRC3_DIRECTION_OFFSET + 16, 8}, /* numin */
1354         {SRC3_DIRECTION_OFFSET + 17, 50*2}, /* numout */
1355         {SRC3_DIRECTION_OFFSET + 18, MINISRC_BIQUAD_STAGE - 1}, /* numstage */
1356         {SRC3_DIRECTION_OFFSET + 20, 0}, /* filtertap */
1357         {SRC3_DIRECTION_OFFSET + 21, 0} /* booster */
1358 };
1359
1360
1361 /* the mode passed should be already shifted and masked */
1362 static void
1363 snd_m3_playback_setup(struct snd_m3 *chip, struct m3_dma *s,
1364                       struct snd_pcm_substream *subs)
1365 {
1366         unsigned int i;
1367
1368         /*
1369          * some per client initializers
1370          */
1371
1372         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1373                           s->inst.data + SRC3_DIRECTION_OFFSET + 12,
1374                           s->inst.data + 40 + 8);
1375
1376         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1377                           s->inst.data + SRC3_DIRECTION_OFFSET + 19,
1378                           s->inst.code + MINISRC_COEF_LOC);
1379
1380         /* enable or disable low pass filter? */
1381         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1382                           s->inst.data + SRC3_DIRECTION_OFFSET + 22,
1383                           subs->runtime->rate > 45000 ? 0xff : 0);
1384
1385         /* tell it which way dma is going? */
1386         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1387                           s->inst.data + CDATA_DMA_CONTROL,
1388                           DMACONTROL_AUTOREPEAT + DMAC_PAGE3_SELECTOR + DMAC_BLOCKF_SELECTOR);
1389
1390         /*
1391          * set an armload of static initializers
1392          */
1393         for (i = 0; i < ARRAY_SIZE(pv); i++)
1394                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1395                                   s->inst.data + pv[i].addr, pv[i].val);
1396 }
1397
1398 /*
1399  *    Native record driver
1400  */
1401 static const struct rec_vals {
1402         u16 addr, val;
1403 } rv[] = {
1404         {CDATA_LEFT_VOLUME, ARB_VOLUME},
1405         {CDATA_RIGHT_VOLUME, ARB_VOLUME},
1406         {SRC3_DIRECTION_OFFSET, 1} ,
1407         /* +1, +2 are stereo/16 bit */
1408         {SRC3_DIRECTION_OFFSET + 3, 0x0000}, /* fraction? */
1409         {SRC3_DIRECTION_OFFSET + 4, 0}, /* first l */
1410         {SRC3_DIRECTION_OFFSET + 5, 0}, /* first r */
1411         {SRC3_DIRECTION_OFFSET + 6, 0}, /* second l */
1412         {SRC3_DIRECTION_OFFSET + 7, 0}, /* second r */
1413         {SRC3_DIRECTION_OFFSET + 8, 0}, /* delta l */
1414         {SRC3_DIRECTION_OFFSET + 9, 0}, /* delta r */
1415         {SRC3_DIRECTION_OFFSET + 10, 0x8000}, /* round */
1416         {SRC3_DIRECTION_OFFSET + 11, 0xFF00}, /* higher bute mark */
1417         {SRC3_DIRECTION_OFFSET + 13, 0}, /* temp0 */
1418         {SRC3_DIRECTION_OFFSET + 14, 0}, /* c fraction */
1419         {SRC3_DIRECTION_OFFSET + 15, 0}, /* counter */
1420         {SRC3_DIRECTION_OFFSET + 16, 50},/* numin */
1421         {SRC3_DIRECTION_OFFSET + 17, 8}, /* numout */
1422         {SRC3_DIRECTION_OFFSET + 18, 0}, /* numstage */
1423         {SRC3_DIRECTION_OFFSET + 19, 0}, /* coef */
1424         {SRC3_DIRECTION_OFFSET + 20, 0}, /* filtertap */
1425         {SRC3_DIRECTION_OFFSET + 21, 0}, /* booster */
1426         {SRC3_DIRECTION_OFFSET + 22, 0xff} /* skip lpf */
1427 };
1428
1429 static void
1430 snd_m3_capture_setup(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1431 {
1432         unsigned int i;
1433
1434         /*
1435          * some per client initializers
1436          */
1437
1438         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1439                           s->inst.data + SRC3_DIRECTION_OFFSET + 12,
1440                           s->inst.data + 40 + 8);
1441
1442         /* tell it which way dma is going? */
1443         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1444                           s->inst.data + CDATA_DMA_CONTROL,
1445                           DMACONTROL_DIRECTION + DMACONTROL_AUTOREPEAT +
1446                           DMAC_PAGE3_SELECTOR + DMAC_BLOCKF_SELECTOR);
1447
1448         /*
1449          * set an armload of static initializers
1450          */
1451         for (i = 0; i < ARRAY_SIZE(rv); i++)
1452                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
1453                                   s->inst.data + rv[i].addr, rv[i].val);
1454 }
1455
1456 static int snd_m3_pcm_hw_params(struct snd_pcm_substream *substream,
1457                                 struct snd_pcm_hw_params *hw_params)
1458 {
1459         struct m3_dma *s = substream->runtime->private_data;
1460         int err;
1461
1462         if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
1463                 return err;
1464         /* set buffer address */
1465         s->buffer_addr = substream->runtime->dma_addr;
1466         if (s->buffer_addr & 0x3) {
1467                 snd_printk(KERN_ERR "oh my, not aligned\n");
1468                 s->buffer_addr = s->buffer_addr & ~0x3;
1469         }
1470         return 0;
1471 }
1472
1473 static int snd_m3_pcm_hw_free(struct snd_pcm_substream *substream)
1474 {
1475         struct m3_dma *s;
1476
1477         if (substream->runtime->private_data == NULL)
1478                 return 0;
1479         s = substream->runtime->private_data;
1480         snd_pcm_lib_free_pages(substream);
1481         s->buffer_addr = 0;
1482         return 0;
1483 }
1484
1485 static int
1486 snd_m3_pcm_prepare(struct snd_pcm_substream *subs)
1487 {
1488         struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1489         struct snd_pcm_runtime *runtime = subs->runtime;
1490         struct m3_dma *s = runtime->private_data;
1491
1492         snd_assert(s != NULL, return -ENXIO);
1493
1494         if (runtime->format != SNDRV_PCM_FORMAT_U8 &&
1495             runtime->format != SNDRV_PCM_FORMAT_S16_LE)
1496                 return -EINVAL;
1497         if (runtime->rate > 48000 ||
1498             runtime->rate < 8000)
1499                 return -EINVAL;
1500
1501         spin_lock_irq(&chip->reg_lock);
1502
1503         snd_m3_pcm_setup1(chip, s, subs);
1504
1505         if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK)
1506                 snd_m3_playback_setup(chip, s, subs);
1507         else
1508                 snd_m3_capture_setup(chip, s, subs);
1509
1510         snd_m3_pcm_setup2(chip, s, runtime);
1511
1512         spin_unlock_irq(&chip->reg_lock);
1513
1514         return 0;
1515 }
1516
1517 /*
1518  * get current pointer
1519  */
1520 static unsigned int
1521 snd_m3_get_pointer(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs)
1522 {
1523         u16 hi = 0, lo = 0;
1524         int retry = 10;
1525         u32 addr;
1526
1527         /*
1528          * try and get a valid answer
1529          */
1530         while (retry--) {
1531                 hi =  snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1532                                        s->inst.data + CDATA_HOST_SRC_CURRENTH);
1533
1534                 lo = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1535                                       s->inst.data + CDATA_HOST_SRC_CURRENTL);
1536
1537                 if (hi == snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA,
1538                                            s->inst.data + CDATA_HOST_SRC_CURRENTH))
1539                         break;
1540         }
1541         addr = lo | ((u32)hi<<16);
1542         return (unsigned int)(addr - s->buffer_addr);
1543 }
1544
1545 static snd_pcm_uframes_t
1546 snd_m3_pcm_pointer(struct snd_pcm_substream *subs)
1547 {
1548         struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1549         unsigned int ptr;
1550         struct m3_dma *s = subs->runtime->private_data;
1551         snd_assert(s != NULL, return 0);
1552
1553         spin_lock(&chip->reg_lock);
1554         ptr = snd_m3_get_pointer(chip, s, subs);
1555         spin_unlock(&chip->reg_lock);
1556         return bytes_to_frames(subs->runtime, ptr);
1557 }
1558
1559
1560 /* update pointer */
1561 /* spinlock held! */
1562 static void snd_m3_update_ptr(struct snd_m3 *chip, struct m3_dma *s)
1563 {
1564         struct snd_pcm_substream *subs = s->substream;
1565         unsigned int hwptr;
1566         int diff;
1567
1568         if (! s->running)
1569                 return;
1570
1571         hwptr = snd_m3_get_pointer(chip, s, subs);
1572
1573         /* try to avoid expensive modulo divisions */
1574         if (hwptr >= s->dma_size)
1575                 hwptr %= s->dma_size;
1576
1577         diff = s->dma_size + hwptr - s->hwptr;
1578         if (diff >= s->dma_size)
1579                 diff %= s->dma_size;
1580
1581         s->hwptr = hwptr;
1582         s->count += diff;
1583
1584         if (s->count >= (signed)s->period_size) {
1585
1586                 if (s->count < 2 * (signed)s->period_size)
1587                         s->count -= (signed)s->period_size;
1588                 else
1589                         s->count %= s->period_size;
1590
1591                 spin_unlock(&chip->reg_lock);
1592                 snd_pcm_period_elapsed(subs);
1593                 spin_lock(&chip->reg_lock);
1594         }
1595 }
1596
1597 static void snd_m3_update_hw_volume(unsigned long private_data)
1598 {
1599         struct snd_m3 *chip = (struct snd_m3 *) private_data;
1600         int x, val;
1601         unsigned long flags;
1602
1603         /* Figure out which volume control button was pushed,
1604            based on differences from the default register
1605            values. */
1606         x = inb(chip->iobase + SHADOW_MIX_REG_VOICE) & 0xee;
1607
1608         /* Reset the volume control registers. */
1609         outb(0x88, chip->iobase + SHADOW_MIX_REG_VOICE);
1610         outb(0x88, chip->iobase + HW_VOL_COUNTER_VOICE);
1611         outb(0x88, chip->iobase + SHADOW_MIX_REG_MASTER);
1612         outb(0x88, chip->iobase + HW_VOL_COUNTER_MASTER);
1613
1614         if (!chip->master_switch || !chip->master_volume)
1615                 return;
1616
1617         /* FIXME: we can't call snd_ac97_* functions since here is in tasklet. */
1618         spin_lock_irqsave(&chip->ac97_lock, flags);
1619
1620         val = chip->ac97->regs[AC97_MASTER_VOL];
1621         switch (x) {
1622         case 0x88:
1623                 /* mute */
1624                 val ^= 0x8000;
1625                 chip->ac97->regs[AC97_MASTER_VOL] = val;
1626                 outw(val, chip->iobase + CODEC_DATA);
1627                 outb(AC97_MASTER_VOL, chip->iobase + CODEC_COMMAND);
1628                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1629                                &chip->master_switch->id);
1630                 break;
1631         case 0xaa:
1632                 /* volume up */
1633                 if ((val & 0x7f) > 0)
1634                         val--;
1635                 if ((val & 0x7f00) > 0)
1636                         val -= 0x0100;
1637                 chip->ac97->regs[AC97_MASTER_VOL] = val;
1638                 outw(val, chip->iobase + CODEC_DATA);
1639                 outb(AC97_MASTER_VOL, chip->iobase + CODEC_COMMAND);
1640                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1641                                &chip->master_volume->id);
1642                 break;
1643         case 0x66:
1644                 /* volume down */
1645                 if ((val & 0x7f) < 0x1f)
1646                         val++;
1647                 if ((val & 0x7f00) < 0x1f00)
1648                         val += 0x0100;
1649                 chip->ac97->regs[AC97_MASTER_VOL] = val;
1650                 outw(val, chip->iobase + CODEC_DATA);
1651                 outb(AC97_MASTER_VOL, chip->iobase + CODEC_COMMAND);
1652                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1653                                &chip->master_volume->id);
1654                 break;
1655         }
1656         spin_unlock_irqrestore(&chip->ac97_lock, flags);
1657 }
1658
1659 static irqreturn_t snd_m3_interrupt(int irq, void *dev_id)
1660 {
1661         struct snd_m3 *chip = dev_id;
1662         u8 status;
1663         int i;
1664
1665         status = inb(chip->iobase + HOST_INT_STATUS);
1666
1667         if (status == 0xff)
1668                 return IRQ_NONE;
1669
1670         if (status & HV_INT_PENDING)
1671                 tasklet_hi_schedule(&chip->hwvol_tq);
1672
1673         /*
1674          * ack an assp int if its running
1675          * and has an int pending
1676          */
1677         if (status & ASSP_INT_PENDING) {
1678                 u8 ctl = inb(chip->iobase + ASSP_CONTROL_B);
1679                 if (!(ctl & STOP_ASSP_CLOCK)) {
1680                         ctl = inb(chip->iobase + ASSP_HOST_INT_STATUS);
1681                         if (ctl & DSP2HOST_REQ_TIMER) {
1682                                 outb(DSP2HOST_REQ_TIMER, chip->iobase + ASSP_HOST_INT_STATUS);
1683                                 /* update adc/dac info if it was a timer int */
1684                                 spin_lock(&chip->reg_lock);
1685                                 for (i = 0; i < chip->num_substreams; i++) {
1686                                         struct m3_dma *s = &chip->substreams[i];
1687                                         if (s->running)
1688                                                 snd_m3_update_ptr(chip, s);
1689                                 }
1690                                 spin_unlock(&chip->reg_lock);
1691                         }
1692                 }
1693         }
1694
1695 #if 0 /* TODO: not supported yet */
1696         if ((status & MPU401_INT_PENDING) && chip->rmidi)
1697                 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs);
1698 #endif
1699
1700         /* ack ints */
1701         outb(status, chip->iobase + HOST_INT_STATUS);
1702
1703         return IRQ_HANDLED;
1704 }
1705
1706
1707 /*
1708  */
1709
1710 static struct snd_pcm_hardware snd_m3_playback =
1711 {
1712         .info =                 (SNDRV_PCM_INFO_MMAP |
1713                                  SNDRV_PCM_INFO_INTERLEAVED |
1714                                  SNDRV_PCM_INFO_MMAP_VALID |
1715                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1716                                  /*SNDRV_PCM_INFO_PAUSE |*/
1717                                  SNDRV_PCM_INFO_RESUME),
1718         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1719         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1720         .rate_min =             8000,
1721         .rate_max =             48000,
1722         .channels_min =         1,
1723         .channels_max =         2,
1724         .buffer_bytes_max =     (512*1024),
1725         .period_bytes_min =     64,
1726         .period_bytes_max =     (512*1024),
1727         .periods_min =          1,
1728         .periods_max =          1024,
1729 };
1730
1731 static struct snd_pcm_hardware snd_m3_capture =
1732 {
1733         .info =                 (SNDRV_PCM_INFO_MMAP |
1734                                  SNDRV_PCM_INFO_INTERLEAVED |
1735                                  SNDRV_PCM_INFO_MMAP_VALID |
1736                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1737                                  /*SNDRV_PCM_INFO_PAUSE |*/
1738                                  SNDRV_PCM_INFO_RESUME),
1739         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1740         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1741         .rate_min =             8000,
1742         .rate_max =             48000,
1743         .channels_min =         1,
1744         .channels_max =         2,
1745         .buffer_bytes_max =     (512*1024),
1746         .period_bytes_min =     64,
1747         .period_bytes_max =     (512*1024),
1748         .periods_min =          1,
1749         .periods_max =          1024,
1750 };
1751
1752
1753 /*
1754  */
1755
1756 static int
1757 snd_m3_substream_open(struct snd_m3 *chip, struct snd_pcm_substream *subs)
1758 {
1759         int i;
1760         struct m3_dma *s;
1761
1762         spin_lock_irq(&chip->reg_lock);
1763         for (i = 0; i < chip->num_substreams; i++) {
1764                 s = &chip->substreams[i];
1765                 if (! s->opened)
1766                         goto __found;
1767         }
1768         spin_unlock_irq(&chip->reg_lock);
1769         return -ENOMEM;
1770 __found:
1771         s->opened = 1;
1772         s->running = 0;
1773         spin_unlock_irq(&chip->reg_lock);
1774
1775         subs->runtime->private_data = s;
1776         s->substream = subs;
1777
1778         /* set list owners */
1779         if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1780                 s->index_list[0] = &chip->mixer_list;
1781         } else
1782                 s->index_list[0] = &chip->adc1_list;
1783         s->index_list[1] = &chip->msrc_list;
1784         s->index_list[2] = &chip->dma_list;
1785
1786         return 0;
1787 }
1788
1789 static void
1790 snd_m3_substream_close(struct snd_m3 *chip, struct snd_pcm_substream *subs)
1791 {
1792         struct m3_dma *s = subs->runtime->private_data;
1793
1794         if (s == NULL)
1795                 return; /* not opened properly */
1796
1797         spin_lock_irq(&chip->reg_lock);
1798         if (s->substream && s->running)
1799                 snd_m3_pcm_stop(chip, s, s->substream); /* does this happen? */
1800         if (s->in_lists) {
1801                 snd_m3_remove_list(chip, s->index_list[0], s->index[0]);
1802                 snd_m3_remove_list(chip, s->index_list[1], s->index[1]);
1803                 snd_m3_remove_list(chip, s->index_list[2], s->index[2]);
1804                 s->in_lists = 0;
1805         }
1806         s->running = 0;
1807         s->opened = 0;
1808         spin_unlock_irq(&chip->reg_lock);
1809 }
1810
1811 static int
1812 snd_m3_playback_open(struct snd_pcm_substream *subs)
1813 {
1814         struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1815         struct snd_pcm_runtime *runtime = subs->runtime;
1816         int err;
1817
1818         if ((err = snd_m3_substream_open(chip, subs)) < 0)
1819                 return err;
1820
1821         runtime->hw = snd_m3_playback;
1822
1823         return 0;
1824 }
1825
1826 static int
1827 snd_m3_playback_close(struct snd_pcm_substream *subs)
1828 {
1829         struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1830
1831         snd_m3_substream_close(chip, subs);
1832         return 0;
1833 }
1834
1835 static int
1836 snd_m3_capture_open(struct snd_pcm_substream *subs)
1837 {
1838         struct snd_m3 *chip = snd_pcm_substream_chip(subs);
1839         struct snd_pcm_runtime *runtime = subs->runtime;
1840         int err;
1841
1842         if ((err = snd_m3_substream_open(chip, subs)) < 0)
1843                 return err;
1844
1845         runtime->hw = snd_m3_capture;
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 elem_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(&elem_id, 0, sizeof(elem_id));
2092         elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2093         strcpy(elem_id.name, "Master Playback Switch");
2094         chip->master_switch = snd_ctl_find_id(chip->card, &elem_id);
2095         memset(&elem_id, 0, sizeof(elem_id));
2096         elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2097         strcpy(elem_id.name, "Master Playback Volume");
2098         chip->master_volume = snd_ctl_find_id(chip->card, &elem_id);
2099
2100         return 0;
2101 }
2102
2103
2104 #ifdef CONFIG_SND_MAESTRO3_FIRMWARE_IN_KERNEL
2105
2106 /*
2107  * DSP Code images
2108  */
2109
2110 static const u16 assp_kernel_image[] = {
2111     0x7980, 0x0030, 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x00FB, 0x7980, 0x00DD, 0x7980, 0x03B4,
2112     0x7980, 0x0332, 0x7980, 0x0287, 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x03B4,
2113     0x7980, 0x031A, 0x7980, 0x03B4, 0x7980, 0x022F, 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x03B4,
2114     0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x0063, 0x7980, 0x006B, 0x7980, 0x03B4, 0x7980, 0x03B4,
2115     0xBF80, 0x2C7C, 0x8806, 0x8804, 0xBE40, 0xBC20, 0xAE09, 0x1000, 0xAE0A, 0x0001, 0x6938, 0xEB08,
2116     0x0053, 0x695A, 0xEB08, 0x00D6, 0x0009, 0x8B88, 0x6980, 0xE388, 0x0036, 0xBE30, 0xBC20, 0x6909,
2117     0xB801, 0x9009, 0xBE41, 0xBE41, 0x6928, 0xEB88, 0x0078, 0xBE41, 0xBE40, 0x7980, 0x0038, 0xBE41,
2118     0xBE41, 0x903A, 0x6938, 0xE308, 0x0056, 0x903A, 0xBE41, 0xBE40, 0xEF00, 0x903A, 0x6939, 0xE308,
2119     0x005E, 0x903A, 0xEF00, 0x690B, 0x660C, 0xEF8C, 0x690A, 0x660C, 0x620B, 0x6609, 0xEF00, 0x6910,
2120     0x660F, 0xEF04, 0xE388, 0x0075, 0x690E, 0x660F, 0x6210, 0x660D, 0xEF00, 0x690E, 0x660D, 0xEF00,
2121     0xAE70, 0x0001, 0xBC20, 0xAE27, 0x0001, 0x6939, 0xEB08, 0x005D, 0x6926, 0xB801, 0x9026, 0x0026,
2122     0x8B88, 0x6980, 0xE388, 0x00CB, 0x9028, 0x0D28, 0x4211, 0xE100, 0x007A, 0x4711, 0xE100, 0x00A0,
2123     0x7A80, 0x0063, 0xB811, 0x660A, 0x6209, 0xE304, 0x007A, 0x0C0B, 0x4005, 0x100A, 0xBA01, 0x9012,
2124     0x0C12, 0x4002, 0x7980, 0x00AF, 0x7A80, 0x006B, 0xBE02, 0x620E, 0x660D, 0xBA10, 0xE344, 0x007A,
2125     0x0C10, 0x4005, 0x100E, 0xBA01, 0x9012, 0x0C12, 0x4002, 0x1003, 0xBA02, 0x9012, 0x0C12, 0x4000,
2126     0x1003, 0xE388, 0x00BA, 0x1004, 0x7980, 0x00BC, 0x1004, 0xBA01, 0x9012, 0x0C12, 0x4001, 0x0C05,
2127     0x4003, 0x0C06, 0x4004, 0x1011, 0xBFB0, 0x01FF, 0x9012, 0x0C12, 0x4006, 0xBC20, 0xEF00, 0xAE26,
2128     0x1028, 0x6970, 0xBFD0, 0x0001, 0x9070, 0xE388, 0x007A, 0xAE28, 0x0000, 0xEF00, 0xAE70, 0x0300,
2129     0x0C70, 0xB00C, 0xAE5A, 0x0000, 0xEF00, 0x7A80, 0x038A, 0x697F, 0xB801, 0x907F, 0x0056, 0x8B88,
2130     0x0CA0, 0xB008, 0xAF71, 0xB000, 0x4E71, 0xE200, 0x00F3, 0xAE56, 0x1057, 0x0056, 0x0CA0, 0xB008,
2131     0x8056, 0x7980, 0x03A1, 0x0810, 0xBFA0, 0x1059, 0xE304, 0x03A1, 0x8056, 0x7980, 0x03A1, 0x7A80,
2132     0x038A, 0xBF01, 0xBE43, 0xBE59, 0x907C, 0x6937, 0xE388, 0x010D, 0xBA01, 0xE308, 0x010C, 0xAE71,
2133     0x0004, 0x0C71, 0x5000, 0x6936, 0x9037, 0xBF0A, 0x109E, 0x8B8A, 0xAF80, 0x8014, 0x4C80, 0xBF0A,
2134     0x0560, 0xF500, 0xBF0A, 0x0520, 0xB900, 0xBB17, 0x90A0, 0x6917, 0xE388, 0x0148, 0x0D17, 0xE100,
2135     0x0127, 0xBF0C, 0x0578, 0xBF0D, 0x057C, 0x7980, 0x012B, 0xBF0C, 0x0538, 0xBF0D, 0x053C, 0x6900,
2136     0xE308, 0x0135, 0x8B8C, 0xBE59, 0xBB07, 0x90A0, 0xBC20, 0x7980, 0x0157, 0x030C, 0x8B8B, 0xB903,
2137     0x8809, 0xBEC6, 0x013E, 0x69AC, 0x90AB, 0x69AD, 0x90AB, 0x0813, 0x660A, 0xE344, 0x0144, 0x0309,
2138     0x830C, 0xBC20, 0x7980, 0x0157, 0x6955, 0xE388, 0x0157, 0x7C38, 0xBF0B, 0x0578, 0xF500, 0xBF0B,
2139     0x0538, 0xB907, 0x8809, 0xBEC6, 0x0156, 0x10AB, 0x90AA, 0x6974, 0xE388, 0x0163, 0xAE72, 0x0540,
2140     0xF500, 0xAE72, 0x0500, 0xAE61, 0x103B, 0x7A80, 0x02F6, 0x6978, 0xE388, 0x0182, 0x8B8C, 0xBF0C,
2141     0x0560, 0xE500, 0x7C40, 0x0814, 0xBA20, 0x8812, 0x733D, 0x7A80, 0x0380, 0x733E, 0x7A80, 0x0380,
2142     0x8B8C, 0xBF0C, 0x056C, 0xE500, 0x7C40, 0x0814, 0xBA2C, 0x8812, 0x733F, 0x7A80, 0x0380, 0x7340,
2143     0x7A80, 0x0380, 0x6975, 0xE388, 0x018E, 0xAE72, 0x0548, 0xF500, 0xAE72, 0x0508, 0xAE61, 0x1041,
2144     0x7A80, 0x02F6, 0x6979, 0xE388, 0x01AD, 0x8B8C, 0xBF0C, 0x0560, 0xE500, 0x7C40, 0x0814, 0xBA18,
2145     0x8812, 0x7343, 0x7A80, 0x0380, 0x7344, 0x7A80, 0x0380, 0x8B8C, 0xBF0C, 0x056C, 0xE500, 0x7C40,
2146     0x0814, 0xBA24, 0x8812, 0x7345, 0x7A80, 0x0380, 0x7346, 0x7A80, 0x0380, 0x6976, 0xE388, 0x01B9,
2147     0xAE72, 0x0558, 0xF500, 0xAE72, 0x0518, 0xAE61, 0x1047, 0x7A80, 0x02F6, 0x697A, 0xE388, 0x01D8,
2148     0x8B8C, 0xBF0C, 0x0560, 0xE500, 0x7C40, 0x0814, 0xBA08, 0x8812, 0x7349, 0x7A80, 0x0380, 0x734A,
2149     0x7A80, 0x0380, 0x8B8C, 0xBF0C, 0x056C, 0xE500, 0x7C40, 0x0814, 0xBA14, 0x8812, 0x734B, 0x7A80,
2150     0x0380, 0x734C, 0x7A80, 0x0380, 0xBC21, 0xAE1C, 0x1090, 0x8B8A, 0xBF0A, 0x0560, 0xE500, 0x7C40,
2151     0x0812, 0xB804, 0x8813, 0x8B8D, 0xBF0D, 0x056C, 0xE500, 0x7C40, 0x0815, 0xB804, 0x8811, 0x7A80,
2152     0x034A, 0x8B8A, 0xBF0A, 0x0560, 0xE500, 0x7C40, 0x731F, 0xB903, 0x8809, 0xBEC6, 0x01F9, 0x548A,
2153     0xBE03, 0x98A0, 0x7320, 0xB903, 0x8809, 0xBEC6, 0x0201, 0x548A, 0xBE03, 0x98A0, 0x1F20, 0x2F1F,
2154     0x9826, 0xBC20, 0x6935, 0xE388, 0x03A1, 0x6933, 0xB801, 0x9033, 0xBFA0, 0x02EE, 0xE308, 0x03A1,
2155     0x9033, 0xBF00, 0x6951, 0xE388, 0x021F, 0x7334, 0xBE80, 0x5760, 0xBE03, 0x9F7E, 0xBE59, 0x9034,
2156     0x697E, 0x0D51, 0x9013, 0xBC20, 0x695C, 0xE388, 0x03A1, 0x735E, 0xBE80, 0x5760, 0xBE03, 0x9F7E,
2157     0xBE59, 0x905E, 0x697E, 0x0D5C, 0x9013, 0x7980, 0x03A1, 0x7A80, 0x038A, 0xBF01, 0xBE43, 0x6977,
2158     0xE388, 0x024E, 0xAE61, 0x104D, 0x0061, 0x8B88, 0x6980, 0xE388, 0x024E, 0x9071, 0x0D71, 0x000B,
2159     0xAFA0, 0x8010, 0xAFA0, 0x8010, 0x0810, 0x660A, 0xE308, 0x0249, 0x0009, 0x0810, 0x660C, 0xE388,
2160     0x024E, 0x800B, 0xBC20, 0x697B, 0xE388, 0x03A1, 0xBF0A, 0x109E, 0x8B8A, 0xAF80, 0x8014, 0x4C80,
2161     0xE100, 0x0266, 0x697C, 0xBF90, 0x0560, 0x9072, 0x0372, 0x697C, 0xBF90, 0x0564, 0x9073, 0x0473,
2162     0x7980, 0x0270, 0x697C, 0xBF90, 0x0520, 0x9072, 0x0372, 0x697C, 0xBF90, 0x0524, 0x9073, 0x0473,
2163     0x697C, 0xB801, 0x907C, 0xBF0A, 0x10FD, 0x8B8A, 0xAF80, 0x8010, 0x734F, 0x548A, 0xBE03, 0x9880,
2164     0xBC21, 0x7326, 0x548B, 0xBE03, 0x618B, 0x988C, 0xBE03, 0x6180, 0x9880, 0x7980, 0x03A1, 0x7A80,
2165     0x038A, 0x0D28, 0x4711, 0xE100, 0x02BE, 0xAF12, 0x4006, 0x6912, 0xBFB0, 0x0C00, 0xE388, 0x02B6,
2166     0xBFA0, 0x0800, 0xE388, 0x02B2, 0x6912, 0xBFB0, 0x0C00, 0xBFA0, 0x0400, 0xE388, 0x02A3, 0x6909,
2167     0x900B, 0x7980, 0x02A5, 0xAF0B, 0x4005, 0x6901, 0x9005, 0x6902, 0x9006, 0x4311, 0xE100, 0x02ED,
2168     0x6911, 0xBFC0, 0x2000, 0x9011, 0x7980, 0x02ED, 0x6909, 0x900B, 0x7980, 0x02B8, 0xAF0B, 0x4005,
2169     0xAF05, 0x4003, 0xAF06, 0x4004, 0x7980, 0x02ED, 0xAF12, 0x4006, 0x6912, 0xBFB0, 0x0C00, 0xE388,
2170     0x02E7, 0xBFA0, 0x0800, 0xE388, 0x02E3, 0x6912, 0xBFB0, 0x0C00, 0xBFA0, 0x0400, 0xE388, 0x02D4,
2171     0x690D, 0x9010, 0x7980, 0x02D6, 0xAF10, 0x4005, 0x6901, 0x9005, 0x6902, 0x9006, 0x4311, 0xE100,
2172     0x02ED, 0x6911, 0xBFC0, 0x2000, 0x9011, 0x7980, 0x02ED, 0x690D, 0x9010, 0x7980, 0x02E9, 0xAF10,
2173     0x4005, 0xAF05, 0x4003, 0xAF06, 0x4004, 0xBC20, 0x6970, 0x9071, 0x7A80, 0x0078, 0x6971, 0x9070,
2174     0x7980, 0x03A1, 0xBC20, 0x0361, 0x8B8B, 0x6980, 0xEF88, 0x0272, 0x0372, 0x7804, 0x9071, 0x0D71,
2175     0x8B8A, 0x000B, 0xB903, 0x8809, 0xBEC6, 0x0309, 0x69A8, 0x90AB, 0x69A8, 0x90AA, 0x0810, 0x660A,
2176     0xE344, 0x030F, 0x0009, 0x0810, 0x660C, 0xE388, 0x0314, 0x800B, 0xBC20, 0x6961, 0xB801, 0x9061,
2177     0x7980, 0x02F7, 0x7A80, 0x038A, 0x5D35, 0x0001, 0x6934, 0xB801, 0x9034, 0xBF0A, 0x109E, 0x8B8A,
2178     0xAF80, 0x8014, 0x4880, 0xAE72, 0x0550, 0xF500, 0xAE72, 0x0510, 0xAE61, 0x1051, 0x7A80, 0x02F6,
2179     0x7980, 0x03A1, 0x7A80, 0x038A, 0x5D35, 0x0002, 0x695E, 0xB801, 0x905E, 0xBF0A, 0x109E, 0x8B8A,
2180     0xAF80, 0x8014, 0x4780, 0xAE72, 0x0558, 0xF500, 0xAE72, 0x0518, 0xAE61, 0x105C, 0x7A80, 0x02F6,
2181     0x7980, 0x03A1, 0x001C, 0x8B88, 0x6980, 0xEF88, 0x901D, 0x0D1D, 0x100F, 0x6610, 0xE38C, 0x0358,
2182     0x690E, 0x6610, 0x620F, 0x660D, 0xBA0F, 0xE301, 0x037A, 0x0410, 0x8B8A, 0xB903, 0x8809, 0xBEC6,
2183     0x036C, 0x6A8C, 0x61AA, 0x98AB, 0x6A8C, 0x61AB, 0x98AD, 0x6A8C, 0x61AD, 0x98A9, 0x6A8C, 0x61A9,
2184     0x98AA, 0x7C04, 0x8B8B, 0x7C04, 0x8B8D, 0x7C04, 0x8B89, 0x7C04, 0x0814, 0x660E, 0xE308, 0x0379,
2185     0x040D, 0x8410, 0xBC21, 0x691C, 0xB801, 0x901C, 0x7980, 0x034A, 0xB903, 0x8809, 0x8B8A, 0xBEC6,
2186     0x0388, 0x54AC, 0xBE03, 0x618C, 0x98AA, 0xEF00, 0xBC20, 0xBE46, 0x0809, 0x906B, 0x080A, 0x906C,
2187     0x080B, 0x906D, 0x081A, 0x9062, 0x081B, 0x9063, 0x081E, 0x9064, 0xBE59, 0x881E, 0x8065, 0x8166,
2188     0x8267, 0x8368, 0x8469, 0x856A, 0xEF00, 0xBC20, 0x696B, 0x8809, 0x696C, 0x880A, 0x696D, 0x880B,
2189     0x6962, 0x881A, 0x6963, 0x881B, 0x6964, 0x881E, 0x0065, 0x0166, 0x0267, 0x0368, 0x0469, 0x056A,
2190     0xBE3A,
2191 };
2192
2193 /*
2194  * Mini sample rate converter code image
2195  * that is to be loaded at 0x400 on the DSP.
2196  */
2197 static const u16 assp_minisrc_image[] = {
2198
2199     0xBF80, 0x101E, 0x906E, 0x006E, 0x8B88, 0x6980, 0xEF88, 0x906F, 0x0D6F, 0x6900, 0xEB08, 0x0412,
2200     0xBC20, 0x696E, 0xB801, 0x906E, 0x7980, 0x0403, 0xB90E, 0x8807, 0xBE43, 0xBF01, 0xBE47, 0xBE41,
2201     0x7A80, 0x002A, 0xBE40, 0x3029, 0xEFCC, 0xBE41, 0x7A80, 0x0028, 0xBE40, 0x3028, 0xEFCC, 0x6907,
2202     0xE308, 0x042A, 0x6909, 0x902C, 0x7980, 0x042C, 0x690D, 0x902C, 0x1009, 0x881A, 0x100A, 0xBA01,
2203     0x881B, 0x100D, 0x881C, 0x100E, 0xBA01, 0x881D, 0xBF80, 0x00ED, 0x881E, 0x050C, 0x0124, 0xB904,
2204     0x9027, 0x6918, 0xE308, 0x04B3, 0x902D, 0x6913, 0xBFA0, 0x7598, 0xF704, 0xAE2D, 0x00FF, 0x8B8D,
2205     0x6919, 0xE308, 0x0463, 0x691A, 0xE308, 0x0456, 0xB907, 0x8809, 0xBEC6, 0x0453, 0x10A9, 0x90AD,
2206     0x7980, 0x047C, 0xB903, 0x8809, 0xBEC6, 0x0460, 0x1889, 0x6C22, 0x90AD, 0x10A9, 0x6E23, 0x6C22,
2207     0x90AD, 0x7980, 0x047C, 0x101A, 0xE308, 0x046F, 0xB903, 0x8809, 0xBEC6, 0x046C, 0x10A9, 0x90A0,
2208     0x90AD, 0x7980, 0x047C, 0xB901, 0x8809, 0xBEC6, 0x047B, 0x1889, 0x6C22, 0x90A0, 0x90AD, 0x10A9,
2209     0x6E23, 0x6C22, 0x90A0, 0x90AD, 0x692D, 0xE308, 0x049C, 0x0124, 0xB703, 0xB902, 0x8818, 0x8B89,
2210     0x022C, 0x108A, 0x7C04, 0x90A0, 0x692B, 0x881F, 0x7E80, 0x055B, 0x692A, 0x8809, 0x8B89, 0x99A0,
2211     0x108A, 0x90A0, 0x692B, 0x881F, 0x7E80, 0x055B, 0x692A, 0x8809, 0x8B89, 0x99AF, 0x7B99, 0x0484,
2212     0x0124, 0x060F, 0x101B, 0x2013, 0x901B, 0xBFA0, 0x7FFF, 0xE344, 0x04AC, 0x901B, 0x8B89, 0x7A80,
2213     0x051A, 0x6927, 0xBA01, 0x9027, 0x7A80, 0x0523, 0x6927, 0xE308, 0x049E, 0x7980, 0x050F, 0x0624,
2214     0x1026, 0x2013, 0x9026, 0xBFA0, 0x7FFF, 0xE304, 0x04C0, 0x8B8D, 0x7A80, 0x051A, 0x7980, 0x04B4,
2215     0x9026, 0x1013, 0x3026, 0x901B, 0x8B8D, 0x7A80, 0x051A, 0x7A80, 0x0523, 0x1027, 0xBA01, 0x9027,
2216     0xE308, 0x04B4, 0x0124, 0x060F, 0x8B89, 0x691A, 0xE308, 0x04EA, 0x6919, 0xE388, 0x04E0, 0xB903,
2217     0x8809, 0xBEC6, 0x04DD, 0x1FA0, 0x2FAE, 0x98A9, 0x7980, 0x050F, 0xB901, 0x8818, 0xB907, 0x8809,
2218     0xBEC6, 0x04E7, 0x10EE, 0x90A9, 0x7980, 0x050F, 0x6919, 0xE308, 0x04FE, 0xB903, 0x8809, 0xBE46,
2219     0xBEC6, 0x04FA, 0x17A0, 0xBE1E, 0x1FAE, 0xBFBF, 0xFF00, 0xBE13, 0xBFDF, 0x8080, 0x99A9, 0xBE47,
2220     0x7980, 0x050F, 0xB901, 0x8809, 0xBEC6, 0x050E, 0x16A0, 0x26A0, 0xBFB7, 0xFF00, 0xBE1E, 0x1EA0,
2221     0x2EAE, 0xBFBF, 0xFF00, 0xBE13, 0xBFDF, 0x8080, 0x99A9, 0x850C, 0x860F, 0x6907, 0xE388, 0x0516,
2222     0x0D07, 0x8510, 0xBE59, 0x881E, 0xBE4A, 0xEF00, 0x101E, 0x901C, 0x101F, 0x901D, 0x10A0, 0x901E,
2223     0x10A0, 0x901F, 0xEF00, 0x101E, 0x301C, 0x9020, 0x731B, 0x5420, 0xBE03, 0x9825, 0x1025, 0x201C,
2224     0x9025, 0x7325, 0x5414, 0xBE03, 0x8B8E, 0x9880, 0x692F, 0xE388, 0x0539, 0xBE59, 0xBB07, 0x6180,
2225     0x9880, 0x8BA0, 0x101F, 0x301D, 0x9021, 0x731B, 0x5421, 0xBE03, 0x982E, 0x102E, 0x201D, 0x902E,
2226     0x732E, 0x5415, 0xBE03, 0x9880, 0x692F, 0xE388, 0x054F, 0xBE59, 0xBB07, 0x6180, 0x9880, 0x8BA0,
2227     0x6918, 0xEF08, 0x7325, 0x5416, 0xBE03, 0x98A0, 0x732E, 0x5417, 0xBE03, 0x98A0, 0xEF00, 0x8BA0,
2228     0xBEC6, 0x056B, 0xBE59, 0xBB04, 0xAA90, 0xBE04, 0xBE1E, 0x99E0, 0x8BE0, 0x69A0, 0x90D0, 0x69A0,
2229     0x90D0, 0x081F, 0xB805, 0x881F, 0x8B90, 0x69A0, 0x90D0, 0x69A0, 0x9090, 0x8BD0, 0x8BD8, 0xBE1F,
2230     0xEF00, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
2231     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
2232 };
2233
2234 static const struct firmware assp_kernel = {
2235         .data = (u8 *)assp_kernel_image,
2236         .size = sizeof assp_kernel_image
2237 };
2238 static const struct firmware assp_minisrc = {
2239         .data = (u8 *)assp_minisrc_image,
2240         .size = sizeof assp_minisrc_image
2241 };
2242
2243 #else /* CONFIG_SND_MAESTRO3_FIRMWARE_IN_KERNEL */
2244
2245 #ifdef __LITTLE_ENDIAN
2246 static inline void snd_m3_convert_from_le(const struct firmware *fw) { }
2247 #else
2248 static void snd_m3_convert_from_le(const struct firmware *fw)
2249 {
2250         int i;
2251         u16 *data = (u16 *)fw->data;
2252
2253         for (i = 0; i < fw->size / 2; ++i)
2254                 le16_to_cpus(&data[i]);
2255 }
2256 #endif
2257
2258 #endif /* CONFIG_SND_MAESTRO3_FIRMWARE_IN_KERNEL */
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 void
2431 snd_m3_hv_init(struct snd_m3 *chip)
2432 {
2433         unsigned long io = chip->iobase;
2434         u16 val = GPI_VOL_DOWN | GPI_VOL_UP;
2435
2436         if (!chip->is_omnibook)
2437                 return;
2438
2439         /*
2440          * Volume buttons on some HP OmniBook laptops
2441          * require some GPIO magic to work correctly.
2442          */
2443         outw(0xffff, io + GPIO_MASK);
2444         outw(0x0000, io + GPIO_DATA);
2445
2446         outw(~val, io + GPIO_MASK);
2447         outw(inw(io + GPIO_DIRECTION) & ~val, io + GPIO_DIRECTION);
2448         outw(val, io + GPIO_MASK);
2449
2450         outw(0xffff, io + GPIO_MASK);
2451 }
2452
2453 static int
2454 snd_m3_chip_init(struct snd_m3 *chip)
2455 {
2456         struct pci_dev *pcidev = chip->pci;
2457         unsigned long io = chip->iobase;
2458         u32 n;
2459         u16 w;
2460         u8 t; /* makes as much sense as 'n', no? */
2461
2462         pci_read_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, &w);
2463         w &= ~(SOUND_BLASTER_ENABLE|FM_SYNTHESIS_ENABLE|
2464                MPU401_IO_ENABLE|MPU401_IRQ_ENABLE|ALIAS_10BIT_IO|
2465                DISABLE_LEGACY);
2466         pci_write_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, w);
2467
2468         pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n);
2469         n &= ~(HV_CTRL_ENABLE | REDUCED_DEBOUNCE | HV_BUTTON_FROM_GD);
2470         n |= chip->hv_config;
2471         /* For some reason we must always use reduced debounce. */
2472         n |= REDUCED_DEBOUNCE;
2473         n |= PM_CTRL_ENABLE | CLK_DIV_BY_49 | USE_PCI_TIMING;
2474         pci_write_config_dword(pcidev, PCI_ALLEGRO_CONFIG, n);
2475
2476         outb(RESET_ASSP, chip->iobase + ASSP_CONTROL_B);
2477         pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n);
2478         n &= ~INT_CLK_SELECT;
2479         if (!chip->allegro_flag) {
2480                 n &= ~INT_CLK_MULT_ENABLE;
2481                 n |= INT_CLK_SRC_NOT_PCI;
2482         }
2483         n &=  ~( CLK_MULT_MODE_SELECT | CLK_MULT_MODE_SELECT_2 );
2484         pci_write_config_dword(pcidev, PCI_ALLEGRO_CONFIG, n);
2485
2486         if (chip->allegro_flag) {
2487                 pci_read_config_dword(pcidev, PCI_USER_CONFIG, &n);
2488                 n |= IN_CLK_12MHZ_SELECT;
2489                 pci_write_config_dword(pcidev, PCI_USER_CONFIG, n);
2490         }
2491
2492         t = inb(chip->iobase + ASSP_CONTROL_A);
2493         t &= ~( DSP_CLK_36MHZ_SELECT  | ASSP_CLK_49MHZ_SELECT);
2494         t |= ASSP_CLK_49MHZ_SELECT;
2495         t |= ASSP_0_WS_ENABLE;
2496         outb(t, chip->iobase + ASSP_CONTROL_A);
2497
2498         snd_m3_assp_init(chip); /* download DSP code before starting ASSP below */
2499         outb(RUN_ASSP, chip->iobase + ASSP_CONTROL_B);
2500
2501         outb(0x00, io + HARDWARE_VOL_CTRL);
2502         outb(0x88, io + SHADOW_MIX_REG_VOICE);
2503         outb(0x88, io + HW_VOL_COUNTER_VOICE);
2504         outb(0x88, io + SHADOW_MIX_REG_MASTER);
2505         outb(0x88, io + HW_VOL_COUNTER_MASTER);
2506
2507         return 0;
2508 }
2509
2510 static void
2511 snd_m3_enable_ints(struct snd_m3 *chip)
2512 {
2513         unsigned long io = chip->iobase;
2514         unsigned short val;
2515
2516         /* TODO: MPU401 not supported yet */
2517         val = ASSP_INT_ENABLE /*| MPU401_INT_ENABLE*/;
2518         if (chip->hv_config & HV_CTRL_ENABLE)
2519                 val |= HV_INT_ENABLE;
2520         outw(val, io + HOST_INT_CTRL);
2521         outb(inb(io + ASSP_CONTROL_C) | ASSP_HOST_INT_ENABLE,
2522              io + ASSP_CONTROL_C);
2523 }
2524
2525
2526 /*
2527  */
2528
2529 static int snd_m3_free(struct snd_m3 *chip)
2530 {
2531         struct m3_dma *s;
2532         int i;
2533
2534         if (chip->substreams) {
2535                 spin_lock_irq(&chip->reg_lock);
2536                 for (i = 0; i < chip->num_substreams; i++) {
2537                         s = &chip->substreams[i];
2538                         /* check surviving pcms; this should not happen though.. */
2539                         if (s->substream && s->running)
2540                                 snd_m3_pcm_stop(chip, s, s->substream);
2541                 }
2542                 spin_unlock_irq(&chip->reg_lock);
2543                 kfree(chip->substreams);
2544         }
2545         if (chip->iobase) {
2546                 outw(0, chip->iobase + HOST_INT_CTRL); /* disable ints */
2547         }
2548
2549 #ifdef CONFIG_PM
2550         vfree(chip->suspend_mem);
2551 #endif
2552
2553         if (chip->irq >= 0)
2554                 free_irq(chip->irq, chip);
2555
2556         if (chip->iobase)
2557                 pci_release_regions(chip->pci);
2558
2559 #ifndef CONFIG_SND_MAESTRO3_FIRMWARE_IN_KERNEL
2560         release_firmware(chip->assp_kernel_image);
2561         release_firmware(chip->assp_minisrc_image);
2562 #endif
2563
2564         pci_disable_device(chip->pci);
2565         kfree(chip);
2566         return 0;
2567 }
2568
2569
2570 /*
2571  * APM support
2572  */
2573 #ifdef CONFIG_PM
2574 static int m3_suspend(struct pci_dev *pci, pm_message_t state)
2575 {
2576         struct snd_card *card = pci_get_drvdata(pci);
2577         struct snd_m3 *chip = card->private_data;
2578         int i, dsp_index;
2579
2580         if (chip->suspend_mem == NULL)
2581                 return 0;
2582
2583         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2584         snd_pcm_suspend_all(chip->pcm);
2585         snd_ac97_suspend(chip->ac97);
2586
2587         msleep(10); /* give the assp a chance to idle.. */
2588
2589         snd_m3_assp_halt(chip);
2590
2591         /* save dsp image */
2592         dsp_index = 0;
2593         for (i = REV_B_CODE_MEMORY_BEGIN; i <= REV_B_CODE_MEMORY_END; i++)
2594                 chip->suspend_mem[dsp_index++] =
2595                         snd_m3_assp_read(chip, MEMTYPE_INTERNAL_CODE, i);
2596         for (i = REV_B_DATA_MEMORY_BEGIN ; i <= REV_B_DATA_MEMORY_END; i++)
2597                 chip->suspend_mem[dsp_index++] =
2598                         snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA, i);
2599
2600         pci_disable_device(pci);
2601         pci_save_state(pci);
2602         pci_set_power_state(pci, pci_choose_state(pci, state));
2603         return 0;
2604 }
2605
2606 static int m3_resume(struct pci_dev *pci)
2607 {
2608         struct snd_card *card = pci_get_drvdata(pci);
2609         struct snd_m3 *chip = card->private_data;
2610         int i, dsp_index;
2611
2612         if (chip->suspend_mem == NULL)
2613                 return 0;
2614
2615         pci_set_power_state(pci, PCI_D0);
2616         pci_restore_state(pci);
2617         if (pci_enable_device(pci) < 0) {
2618                 printk(KERN_ERR "maestor3: pci_enable_device failed, "
2619                        "disabling device\n");
2620                 snd_card_disconnect(card);
2621                 return -EIO;
2622         }
2623         pci_set_master(pci);
2624
2625         /* first lets just bring everything back. .*/
2626         snd_m3_outw(chip, 0, 0x54);
2627         snd_m3_outw(chip, 0, 0x56);
2628
2629         snd_m3_chip_init(chip);
2630         snd_m3_assp_halt(chip);
2631         snd_m3_ac97_reset(chip);
2632
2633         /* restore dsp image */
2634         dsp_index = 0;
2635         for (i = REV_B_CODE_MEMORY_BEGIN; i <= REV_B_CODE_MEMORY_END; i++)
2636                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, i,
2637                                   chip->suspend_mem[dsp_index++]);
2638         for (i = REV_B_DATA_MEMORY_BEGIN ; i <= REV_B_DATA_MEMORY_END; i++)
2639                 snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, i,
2640                                   chip->suspend_mem[dsp_index++]);
2641
2642         /* tell the dma engine to restart itself */
2643         snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA,
2644                           KDATA_DMA_ACTIVE, 0);
2645
2646         /* restore ac97 registers */
2647         snd_ac97_resume(chip->ac97);
2648
2649         snd_m3_assp_continue(chip);
2650         snd_m3_enable_ints(chip);
2651         snd_m3_amp_enable(chip, 1);
2652
2653         snd_m3_hv_init(chip);
2654
2655         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2656         return 0;
2657 }
2658 #endif /* CONFIG_PM */
2659
2660
2661 /*
2662  */
2663
2664 static int snd_m3_dev_free(struct snd_device *device)
2665 {
2666         struct snd_m3 *chip = device->device_data;
2667         return snd_m3_free(chip);
2668 }
2669
2670 static int __devinit
2671 snd_m3_create(struct snd_card *card, struct pci_dev *pci,
2672               int enable_amp,
2673               int amp_gpio,
2674               struct snd_m3 **chip_ret)
2675 {
2676         struct snd_m3 *chip;
2677         int i, err;
2678         const struct snd_pci_quirk *quirk;
2679         static struct snd_device_ops ops = {
2680                 .dev_free =     snd_m3_dev_free,
2681         };
2682
2683         *chip_ret = NULL;
2684
2685         if (pci_enable_device(pci))
2686                 return -EIO;
2687
2688         /* check, if we can restrict PCI DMA transfers to 28 bits */
2689         if (pci_set_dma_mask(pci, DMA_28BIT_MASK) < 0 ||
2690             pci_set_consistent_dma_mask(pci, DMA_28BIT_MASK) < 0) {
2691                 snd_printk(KERN_ERR "architecture does not support 28bit PCI busmaster DMA\n");
2692                 pci_disable_device(pci);
2693                 return -ENXIO;
2694         }
2695
2696         chip = kzalloc(sizeof(*chip), GFP_KERNEL);
2697         if (chip == NULL) {
2698                 pci_disable_device(pci);
2699                 return -ENOMEM;
2700         }
2701
2702         spin_lock_init(&chip->reg_lock);
2703         spin_lock_init(&chip->ac97_lock);
2704
2705         switch (pci->device) {
2706         case PCI_DEVICE_ID_ESS_ALLEGRO:
2707         case PCI_DEVICE_ID_ESS_ALLEGRO_1:
2708         case PCI_DEVICE_ID_ESS_CANYON3D_2LE:
2709         case PCI_DEVICE_ID_ESS_CANYON3D_2:
2710                 chip->allegro_flag = 1;
2711                 break;
2712         }
2713
2714         chip->card = card;
2715         chip->pci = pci;
2716         chip->irq = -1;
2717
2718         chip->external_amp = enable_amp;
2719         if (amp_gpio >= 0 && amp_gpio <= 0x0f)
2720                 chip->amp_gpio = amp_gpio;
2721         else {
2722                 quirk = snd_pci_quirk_lookup(pci, m3_amp_quirk_list);
2723                 if (quirk) {
2724                         snd_printdd(KERN_INFO "maestro3: set amp-gpio "
2725                                     "for '%s'\n", quirk->name);
2726                         chip->amp_gpio = quirk->value;
2727                 } else if (chip->allegro_flag)
2728                         chip->amp_gpio = GPO_EXT_AMP_ALLEGRO;
2729                 else /* presumably this is for all 'maestro3's.. */
2730                         chip->amp_gpio = GPO_EXT_AMP_M3;
2731         }
2732
2733         quirk = snd_pci_quirk_lookup(pci, m3_irda_quirk_list);
2734         if (quirk) {
2735                 snd_printdd(KERN_INFO "maestro3: enabled irda workaround "
2736                             "for '%s'\n", quirk->name);
2737                 chip->irda_workaround = 1;
2738         }
2739         quirk = snd_pci_quirk_lookup(pci, m3_hv_quirk_list);
2740         if (quirk)
2741                 chip->hv_config = quirk->value;
2742         if (snd_pci_quirk_lookup(pci, m3_omnibook_quirk_list))
2743                 chip->is_omnibook = 1;
2744
2745         chip->num_substreams = NR_DSPS;
2746         chip->substreams = kcalloc(chip->num_substreams, sizeof(struct m3_dma),
2747                                    GFP_KERNEL);
2748         if (chip->substreams == NULL) {
2749                 kfree(chip);
2750                 pci_disable_device(pci);
2751                 return -ENOMEM;
2752         }
2753
2754 #ifdef CONFIG_SND_MAESTRO3_FIRMWARE_IN_KERNEL
2755         chip->assp_kernel_image = &assp_kernel;
2756 #else
2757         err = request_firmware(&chip->assp_kernel_image,
2758                                "ess/maestro3_assp_kernel.fw", &pci->dev);
2759         if (err < 0) {
2760                 snd_m3_free(chip);
2761                 return err;
2762         } else
2763                 snd_m3_convert_from_le(chip->assp_kernel_image);
2764 #endif
2765
2766 #ifdef CONFIG_SND_MAESTRO3_FIRMWARE_IN_KERNEL
2767         chip->assp_minisrc_image = &assp_minisrc;
2768 #else
2769         err = request_firmware(&chip->assp_minisrc_image,
2770                                "ess/maestro3_assp_minisrc.fw", &pci->dev);
2771         if (err < 0) {
2772                 snd_m3_free(chip);
2773                 return err;
2774         } else
2775                 snd_m3_convert_from_le(chip->assp_minisrc_image);
2776 #endif
2777
2778         if ((err = pci_request_regions(pci, card->driver)) < 0) {
2779                 snd_m3_free(chip);
2780                 return err;
2781         }
2782         chip->iobase = pci_resource_start(pci, 0);
2783
2784         /* just to be sure */
2785         pci_set_master(pci);
2786
2787         snd_m3_chip_init(chip);
2788         snd_m3_assp_halt(chip);
2789
2790         snd_m3_ac97_reset(chip);
2791
2792         snd_m3_amp_enable(chip, 1);
2793
2794         snd_m3_hv_init(chip);
2795
2796         tasklet_init(&chip->hwvol_tq, snd_m3_update_hw_volume, (unsigned long)chip);
2797
2798         if (request_irq(pci->irq, snd_m3_interrupt, IRQF_SHARED,
2799                         card->driver, chip)) {
2800                 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2801                 snd_m3_free(chip);
2802                 return -ENOMEM;
2803         }
2804         chip->irq = pci->irq;
2805
2806 #ifdef CONFIG_PM
2807         chip->suspend_mem = vmalloc(sizeof(u16) * (REV_B_CODE_MEMORY_LENGTH + REV_B_DATA_MEMORY_LENGTH));
2808         if (chip->suspend_mem == NULL)
2809                 snd_printk(KERN_WARNING "can't allocate apm buffer\n");
2810 #endif
2811
2812         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
2813                 snd_m3_free(chip);
2814                 return err;
2815         }
2816
2817         if ((err = snd_m3_mixer(chip)) < 0)
2818                 return err;
2819
2820         for (i = 0; i < chip->num_substreams; i++) {
2821                 struct m3_dma *s = &chip->substreams[i];
2822                 if ((err = snd_m3_assp_client_init(chip, s, i)) < 0)
2823                         return err;
2824         }
2825
2826         if ((err = snd_m3_pcm(chip, 0)) < 0)
2827                 return err;
2828
2829         snd_m3_enable_ints(chip);
2830         snd_m3_assp_continue(chip);
2831
2832         snd_card_set_dev(card, &pci->dev);
2833
2834         *chip_ret = chip;
2835
2836         return 0;
2837 }
2838
2839 /*
2840  */
2841 static int __devinit
2842 snd_m3_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2843 {
2844         static int dev;
2845         struct snd_card *card;
2846         struct snd_m3 *chip;
2847         int err;
2848
2849         /* don't pick up modems */
2850         if (((pci->class >> 8) & 0xffff) != PCI_CLASS_MULTIMEDIA_AUDIO)
2851                 return -ENODEV;
2852
2853         if (dev >= SNDRV_CARDS)
2854                 return -ENODEV;
2855         if (!enable[dev]) {
2856                 dev++;
2857                 return -ENOENT;
2858         }
2859
2860         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2861         if (card == NULL)
2862                 return -ENOMEM;
2863
2864         switch (pci->device) {
2865         case PCI_DEVICE_ID_ESS_ALLEGRO:
2866         case PCI_DEVICE_ID_ESS_ALLEGRO_1:
2867                 strcpy(card->driver, "Allegro");
2868                 break;
2869         case PCI_DEVICE_ID_ESS_CANYON3D_2LE:
2870         case PCI_DEVICE_ID_ESS_CANYON3D_2:
2871                 strcpy(card->driver, "Canyon3D-2");
2872                 break;
2873         default:
2874                 strcpy(card->driver, "Maestro3");
2875                 break;
2876         }
2877
2878         if ((err = snd_m3_create(card, pci,
2879                                  external_amp[dev],
2880                                  amp_gpio[dev],
2881                                  &chip)) < 0) {
2882                 snd_card_free(card);
2883                 return err;
2884         }
2885         card->private_data = chip;
2886
2887         sprintf(card->shortname, "ESS %s PCI", card->driver);
2888         sprintf(card->longname, "%s at 0x%lx, irq %d",
2889                 card->shortname, chip->iobase, chip->irq);
2890
2891         if ((err = snd_card_register(card)) < 0) {
2892                 snd_card_free(card);
2893                 return err;
2894         }
2895
2896 #if 0 /* TODO: not supported yet */
2897         /* TODO enable MIDI IRQ and I/O */
2898         err = snd_mpu401_uart_new(chip->card, 0, MPU401_HW_MPU401,
2899                                   chip->iobase + MPU401_DATA_PORT,
2900                                   MPU401_INFO_INTEGRATED,
2901                                   chip->irq, 0, &chip->rmidi);
2902         if (err < 0)
2903                 printk(KERN_WARNING "maestro3: no MIDI support.\n");
2904 #endif
2905
2906         pci_set_drvdata(pci, card);
2907         dev++;
2908         return 0;
2909 }
2910
2911 static void __devexit snd_m3_remove(struct pci_dev *pci)
2912 {
2913         snd_card_free(pci_get_drvdata(pci));
2914         pci_set_drvdata(pci, NULL);
2915 }
2916
2917 static struct pci_driver driver = {
2918         .name = "Maestro3",
2919         .id_table = snd_m3_ids,
2920         .probe = snd_m3_probe,
2921         .remove = __devexit_p(snd_m3_remove),
2922 #ifdef CONFIG_PM
2923         .suspend = m3_suspend,
2924         .resume = m3_resume,
2925 #endif
2926 };
2927
2928 static int __init alsa_card_m3_init(void)
2929 {
2930         return pci_register_driver(&driver);
2931 }
2932
2933 static void __exit alsa_card_m3_exit(void)
2934 {
2935         pci_unregister_driver(&driver);
2936 }
2937
2938 module_init(alsa_card_m3_init)
2939 module_exit(alsa_card_m3_exit)