|  | /* | 
|  | * Driver for ESS Maestro3/Allegro (ES1988) soundcards. | 
|  | * Copyright (c) 2000 by Zach Brown <zab@zabbo.net> | 
|  | *                       Takashi Iwai <tiwai@suse.de> | 
|  | * | 
|  | * Most of the hardware init stuffs are based on maestro3 driver for | 
|  | * OSS/Free by Zach Brown.  Many thanks to Zach! | 
|  | * | 
|  | *   This program is free software; you can redistribute it and/or modify | 
|  | *   it under the terms of the GNU General Public License as published by | 
|  | *   the Free Software Foundation; either version 2 of the License, or | 
|  | *   (at your option) any later version. | 
|  | * | 
|  | *   This program is distributed in the hope that it will be useful, | 
|  | *   but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | *   GNU General Public License for more details. | 
|  | * | 
|  | *   You should have received a copy of the GNU General Public License | 
|  | *   along with this program; if not, write to the Free Software | 
|  | *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA | 
|  | * | 
|  | * | 
|  | * ChangeLog: | 
|  | * Aug. 27, 2001 | 
|  | *     - Fixed deadlock on capture | 
|  | *     - Added Canyon3D-2 support by Rob Riggs <rob@pangalactic.org> | 
|  | * | 
|  | */ | 
|  |  | 
|  | #define CARD_NAME "ESS Maestro3/Allegro/Canyon3D-2" | 
|  | #define DRIVER_NAME "Maestro3" | 
|  |  | 
|  | #include <sound/driver.h> | 
|  | #include <asm/io.h> | 
|  | #include <linux/delay.h> | 
|  | #include <linux/interrupt.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/pci.h> | 
|  | #include <linux/dma-mapping.h> | 
|  | #include <linux/slab.h> | 
|  | #include <linux/vmalloc.h> | 
|  | #include <linux/moduleparam.h> | 
|  | #include <sound/core.h> | 
|  | #include <sound/info.h> | 
|  | #include <sound/control.h> | 
|  | #include <sound/pcm.h> | 
|  | #include <sound/mpu401.h> | 
|  | #include <sound/ac97_codec.h> | 
|  | #include <sound/initval.h> | 
|  |  | 
|  | MODULE_AUTHOR("Zach Brown <zab@zabbo.net>, Takashi Iwai <tiwai@suse.de>"); | 
|  | MODULE_DESCRIPTION("ESS Maestro3 PCI"); | 
|  | MODULE_LICENSE("GPL"); | 
|  | MODULE_SUPPORTED_DEVICE("{{ESS,Maestro3 PCI}," | 
|  | "{ESS,ES1988}," | 
|  | "{ESS,Allegro PCI}," | 
|  | "{ESS,Allegro-1 PCI}," | 
|  | "{ESS,Canyon3D-2/LE PCI}}"); | 
|  |  | 
|  | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */ | 
|  | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */ | 
|  | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* all enabled */ | 
|  | static int external_amp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1}; | 
|  | static int amp_gpio[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1}; | 
|  |  | 
|  | module_param_array(index, int, NULL, 0444); | 
|  | MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard."); | 
|  | module_param_array(id, charp, NULL, 0444); | 
|  | MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard."); | 
|  | module_param_array(enable, bool, NULL, 0444); | 
|  | MODULE_PARM_DESC(enable, "Enable this soundcard."); | 
|  | module_param_array(external_amp, bool, NULL, 0444); | 
|  | MODULE_PARM_DESC(external_amp, "Enable external amp for " CARD_NAME " soundcard."); | 
|  | module_param_array(amp_gpio, int, NULL, 0444); | 
|  | MODULE_PARM_DESC(amp_gpio, "GPIO pin number for external amp. (default = -1)"); | 
|  |  | 
|  | #define MAX_PLAYBACKS	2 | 
|  | #define MAX_CAPTURES	1 | 
|  | #define NR_DSPS		(MAX_PLAYBACKS + MAX_CAPTURES) | 
|  |  | 
|  |  | 
|  | /* | 
|  | * maestro3 registers | 
|  | */ | 
|  |  | 
|  | /* Allegro PCI configuration registers */ | 
|  | #define PCI_LEGACY_AUDIO_CTRL   0x40 | 
|  | #define SOUND_BLASTER_ENABLE    0x00000001 | 
|  | #define FM_SYNTHESIS_ENABLE     0x00000002 | 
|  | #define GAME_PORT_ENABLE        0x00000004 | 
|  | #define MPU401_IO_ENABLE        0x00000008 | 
|  | #define MPU401_IRQ_ENABLE       0x00000010 | 
|  | #define ALIAS_10BIT_IO          0x00000020 | 
|  | #define SB_DMA_MASK             0x000000C0 | 
|  | #define SB_DMA_0                0x00000040 | 
|  | #define SB_DMA_1                0x00000040 | 
|  | #define SB_DMA_R                0x00000080 | 
|  | #define SB_DMA_3                0x000000C0 | 
|  | #define SB_IRQ_MASK             0x00000700 | 
|  | #define SB_IRQ_5                0x00000000 | 
|  | #define SB_IRQ_7                0x00000100 | 
|  | #define SB_IRQ_9                0x00000200 | 
|  | #define SB_IRQ_10               0x00000300 | 
|  | #define MIDI_IRQ_MASK           0x00003800 | 
|  | #define SERIAL_IRQ_ENABLE       0x00004000 | 
|  | #define DISABLE_LEGACY          0x00008000 | 
|  |  | 
|  | #define PCI_ALLEGRO_CONFIG      0x50 | 
|  | #define SB_ADDR_240             0x00000004 | 
|  | #define MPU_ADDR_MASK           0x00000018 | 
|  | #define MPU_ADDR_330            0x00000000 | 
|  | #define MPU_ADDR_300            0x00000008 | 
|  | #define MPU_ADDR_320            0x00000010 | 
|  | #define MPU_ADDR_340            0x00000018 | 
|  | #define USE_PCI_TIMING          0x00000040 | 
|  | #define POSTED_WRITE_ENABLE     0x00000080 | 
|  | #define DMA_POLICY_MASK         0x00000700 | 
|  | #define DMA_DDMA                0x00000000 | 
|  | #define DMA_TDMA                0x00000100 | 
|  | #define DMA_PCPCI               0x00000200 | 
|  | #define DMA_WBDMA16             0x00000400 | 
|  | #define DMA_WBDMA4              0x00000500 | 
|  | #define DMA_WBDMA2              0x00000600 | 
|  | #define DMA_WBDMA1              0x00000700 | 
|  | #define DMA_SAFE_GUARD          0x00000800 | 
|  | #define HI_PERF_GP_ENABLE       0x00001000 | 
|  | #define PIC_SNOOP_MODE_0        0x00002000 | 
|  | #define PIC_SNOOP_MODE_1        0x00004000 | 
|  | #define SOUNDBLASTER_IRQ_MASK   0x00008000 | 
|  | #define RING_IN_ENABLE          0x00010000 | 
|  | #define SPDIF_TEST_MODE         0x00020000 | 
|  | #define CLK_MULT_MODE_SELECT_2  0x00040000 | 
|  | #define EEPROM_WRITE_ENABLE     0x00080000 | 
|  | #define CODEC_DIR_IN            0x00100000 | 
|  | #define HV_BUTTON_FROM_GD       0x00200000 | 
|  | #define REDUCED_DEBOUNCE        0x00400000 | 
|  | #define HV_CTRL_ENABLE          0x00800000 | 
|  | #define SPDIF_ENABLE            0x01000000 | 
|  | #define CLK_DIV_SELECT          0x06000000 | 
|  | #define CLK_DIV_BY_48           0x00000000 | 
|  | #define CLK_DIV_BY_49           0x02000000 | 
|  | #define CLK_DIV_BY_50           0x04000000 | 
|  | #define CLK_DIV_RESERVED        0x06000000 | 
|  | #define PM_CTRL_ENABLE          0x08000000 | 
|  | #define CLK_MULT_MODE_SELECT    0x30000000 | 
|  | #define CLK_MULT_MODE_SHIFT     28 | 
|  | #define CLK_MULT_MODE_0         0x00000000 | 
|  | #define CLK_MULT_MODE_1         0x10000000 | 
|  | #define CLK_MULT_MODE_2         0x20000000 | 
|  | #define CLK_MULT_MODE_3         0x30000000 | 
|  | #define INT_CLK_SELECT          0x40000000 | 
|  | #define INT_CLK_MULT_RESET      0x80000000 | 
|  |  | 
|  | /* M3 */ | 
|  | #define INT_CLK_SRC_NOT_PCI     0x00100000 | 
|  | #define INT_CLK_MULT_ENABLE     0x80000000 | 
|  |  | 
|  | #define PCI_ACPI_CONTROL        0x54 | 
|  | #define PCI_ACPI_D0             0x00000000 | 
|  | #define PCI_ACPI_D1             0xB4F70000 | 
|  | #define PCI_ACPI_D2             0xB4F7B4F7 | 
|  |  | 
|  | #define PCI_USER_CONFIG         0x58 | 
|  | #define EXT_PCI_MASTER_ENABLE   0x00000001 | 
|  | #define SPDIF_OUT_SELECT        0x00000002 | 
|  | #define TEST_PIN_DIR_CTRL       0x00000004 | 
|  | #define AC97_CODEC_TEST         0x00000020 | 
|  | #define TRI_STATE_BUFFER        0x00000080 | 
|  | #define IN_CLK_12MHZ_SELECT     0x00000100 | 
|  | #define MULTI_FUNC_DISABLE      0x00000200 | 
|  | #define EXT_MASTER_PAIR_SEL     0x00000400 | 
|  | #define PCI_MASTER_SUPPORT      0x00000800 | 
|  | #define STOP_CLOCK_ENABLE       0x00001000 | 
|  | #define EAPD_DRIVE_ENABLE       0x00002000 | 
|  | #define REQ_TRI_STATE_ENABLE    0x00004000 | 
|  | #define REQ_LOW_ENABLE          0x00008000 | 
|  | #define MIDI_1_ENABLE           0x00010000 | 
|  | #define MIDI_2_ENABLE           0x00020000 | 
|  | #define SB_AUDIO_SYNC           0x00040000 | 
|  | #define HV_CTRL_TEST            0x00100000 | 
|  | #define SOUNDBLASTER_TEST       0x00400000 | 
|  |  | 
|  | #define PCI_USER_CONFIG_C       0x5C | 
|  |  | 
|  | #define PCI_DDMA_CTRL           0x60 | 
|  | #define DDMA_ENABLE             0x00000001 | 
|  |  | 
|  |  | 
|  | /* Allegro registers */ | 
|  | #define HOST_INT_CTRL           0x18 | 
|  | #define SB_INT_ENABLE           0x0001 | 
|  | #define MPU401_INT_ENABLE       0x0002 | 
|  | #define ASSP_INT_ENABLE         0x0010 | 
|  | #define RING_INT_ENABLE         0x0020 | 
|  | #define HV_INT_ENABLE           0x0040 | 
|  | #define CLKRUN_GEN_ENABLE       0x0100 | 
|  | #define HV_CTRL_TO_PME          0x0400 | 
|  | #define SOFTWARE_RESET_ENABLE   0x8000 | 
|  |  | 
|  | /* | 
|  | * should be using the above defines, probably. | 
|  | */ | 
|  | #define REGB_ENABLE_RESET               0x01 | 
|  | #define REGB_STOP_CLOCK                 0x10 | 
|  |  | 
|  | #define HOST_INT_STATUS         0x1A | 
|  | #define SB_INT_PENDING          0x01 | 
|  | #define MPU401_INT_PENDING      0x02 | 
|  | #define ASSP_INT_PENDING        0x10 | 
|  | #define RING_INT_PENDING        0x20 | 
|  | #define HV_INT_PENDING          0x40 | 
|  |  | 
|  | #define HARDWARE_VOL_CTRL       0x1B | 
|  | #define SHADOW_MIX_REG_VOICE    0x1C | 
|  | #define HW_VOL_COUNTER_VOICE    0x1D | 
|  | #define SHADOW_MIX_REG_MASTER   0x1E | 
|  | #define HW_VOL_COUNTER_MASTER   0x1F | 
|  |  | 
|  | #define CODEC_COMMAND           0x30 | 
|  | #define CODEC_READ_B            0x80 | 
|  |  | 
|  | #define CODEC_STATUS            0x30 | 
|  | #define CODEC_BUSY_B            0x01 | 
|  |  | 
|  | #define CODEC_DATA              0x32 | 
|  |  | 
|  | #define RING_BUS_CTRL_A         0x36 | 
|  | #define RAC_PME_ENABLE          0x0100 | 
|  | #define RAC_SDFS_ENABLE         0x0200 | 
|  | #define LAC_PME_ENABLE          0x0400 | 
|  | #define LAC_SDFS_ENABLE         0x0800 | 
|  | #define SERIAL_AC_LINK_ENABLE   0x1000 | 
|  | #define IO_SRAM_ENABLE          0x2000 | 
|  | #define IIS_INPUT_ENABLE        0x8000 | 
|  |  | 
|  | #define RING_BUS_CTRL_B         0x38 | 
|  | #define SECOND_CODEC_ID_MASK    0x0003 | 
|  | #define SPDIF_FUNC_ENABLE       0x0010 | 
|  | #define SECOND_AC_ENABLE        0x0020 | 
|  | #define SB_MODULE_INTF_ENABLE   0x0040 | 
|  | #define SSPE_ENABLE             0x0040 | 
|  | #define M3I_DOCK_ENABLE         0x0080 | 
|  |  | 
|  | #define SDO_OUT_DEST_CTRL       0x3A | 
|  | #define COMMAND_ADDR_OUT        0x0003 | 
|  | #define PCM_LR_OUT_LOCAL        0x0000 | 
|  | #define PCM_LR_OUT_REMOTE       0x0004 | 
|  | #define PCM_LR_OUT_MUTE         0x0008 | 
|  | #define PCM_LR_OUT_BOTH         0x000C | 
|  | #define LINE1_DAC_OUT_LOCAL     0x0000 | 
|  | #define LINE1_DAC_OUT_REMOTE    0x0010 | 
|  | #define LINE1_DAC_OUT_MUTE      0x0020 | 
|  | #define LINE1_DAC_OUT_BOTH      0x0030 | 
|  | #define PCM_CLS_OUT_LOCAL       0x0000 | 
|  | #define PCM_CLS_OUT_REMOTE      0x0040 | 
|  | #define PCM_CLS_OUT_MUTE        0x0080 | 
|  | #define PCM_CLS_OUT_BOTH        0x00C0 | 
|  | #define PCM_RLF_OUT_LOCAL       0x0000 | 
|  | #define PCM_RLF_OUT_REMOTE      0x0100 | 
|  | #define PCM_RLF_OUT_MUTE        0x0200 | 
|  | #define PCM_RLF_OUT_BOTH        0x0300 | 
|  | #define LINE2_DAC_OUT_LOCAL     0x0000 | 
|  | #define LINE2_DAC_OUT_REMOTE    0x0400 | 
|  | #define LINE2_DAC_OUT_MUTE      0x0800 | 
|  | #define LINE2_DAC_OUT_BOTH      0x0C00 | 
|  | #define HANDSET_OUT_LOCAL       0x0000 | 
|  | #define HANDSET_OUT_REMOTE      0x1000 | 
|  | #define HANDSET_OUT_MUTE        0x2000 | 
|  | #define HANDSET_OUT_BOTH        0x3000 | 
|  | #define IO_CTRL_OUT_LOCAL       0x0000 | 
|  | #define IO_CTRL_OUT_REMOTE      0x4000 | 
|  | #define IO_CTRL_OUT_MUTE        0x8000 | 
|  | #define IO_CTRL_OUT_BOTH        0xC000 | 
|  |  | 
|  | #define SDO_IN_DEST_CTRL        0x3C | 
|  | #define STATUS_ADDR_IN          0x0003 | 
|  | #define PCM_LR_IN_LOCAL         0x0000 | 
|  | #define PCM_LR_IN_REMOTE        0x0004 | 
|  | #define PCM_LR_RESERVED         0x0008 | 
|  | #define PCM_LR_IN_BOTH          0x000C | 
|  | #define LINE1_ADC_IN_LOCAL      0x0000 | 
|  | #define LINE1_ADC_IN_REMOTE     0x0010 | 
|  | #define LINE1_ADC_IN_MUTE       0x0020 | 
|  | #define MIC_ADC_IN_LOCAL        0x0000 | 
|  | #define MIC_ADC_IN_REMOTE       0x0040 | 
|  | #define MIC_ADC_IN_MUTE         0x0080 | 
|  | #define LINE2_DAC_IN_LOCAL      0x0000 | 
|  | #define LINE2_DAC_IN_REMOTE     0x0400 | 
|  | #define LINE2_DAC_IN_MUTE       0x0800 | 
|  | #define HANDSET_IN_LOCAL        0x0000 | 
|  | #define HANDSET_IN_REMOTE       0x1000 | 
|  | #define HANDSET_IN_MUTE         0x2000 | 
|  | #define IO_STATUS_IN_LOCAL      0x0000 | 
|  | #define IO_STATUS_IN_REMOTE     0x4000 | 
|  |  | 
|  | #define SPDIF_IN_CTRL           0x3E | 
|  | #define SPDIF_IN_ENABLE         0x0001 | 
|  |  | 
|  | #define GPIO_DATA               0x60 | 
|  | #define GPIO_DATA_MASK          0x0FFF | 
|  | #define GPIO_HV_STATUS          0x3000 | 
|  | #define GPIO_PME_STATUS         0x4000 | 
|  |  | 
|  | #define GPIO_MASK               0x64 | 
|  | #define GPIO_DIRECTION          0x68 | 
|  | #define GPO_PRIMARY_AC97        0x0001 | 
|  | #define GPI_LINEOUT_SENSE       0x0004 | 
|  | #define GPO_SECONDARY_AC97      0x0008 | 
|  | #define GPI_VOL_DOWN            0x0010 | 
|  | #define GPI_VOL_UP              0x0020 | 
|  | #define GPI_IIS_CLK             0x0040 | 
|  | #define GPI_IIS_LRCLK           0x0080 | 
|  | #define GPI_IIS_DATA            0x0100 | 
|  | #define GPI_DOCKING_STATUS      0x0100 | 
|  | #define GPI_HEADPHONE_SENSE     0x0200 | 
|  | #define GPO_EXT_AMP_SHUTDOWN    0x1000 | 
|  |  | 
|  | #define GPO_EXT_AMP_M3		1	/* default m3 amp */ | 
|  | #define GPO_EXT_AMP_ALLEGRO	8	/* default allegro amp */ | 
|  |  | 
|  | /* M3 */ | 
|  | #define GPO_M3_EXT_AMP_SHUTDN   0x0002 | 
|  |  | 
|  | #define ASSP_INDEX_PORT         0x80 | 
|  | #define ASSP_MEMORY_PORT        0x82 | 
|  | #define ASSP_DATA_PORT          0x84 | 
|  |  | 
|  | #define MPU401_DATA_PORT        0x98 | 
|  | #define MPU401_STATUS_PORT      0x99 | 
|  |  | 
|  | #define CLK_MULT_DATA_PORT      0x9C | 
|  |  | 
|  | #define ASSP_CONTROL_A          0xA2 | 
|  | #define ASSP_0_WS_ENABLE        0x01 | 
|  | #define ASSP_CTRL_A_RESERVED1   0x02 | 
|  | #define ASSP_CTRL_A_RESERVED2   0x04 | 
|  | #define ASSP_CLK_49MHZ_SELECT   0x08 | 
|  | #define FAST_PLU_ENABLE         0x10 | 
|  | #define ASSP_CTRL_A_RESERVED3   0x20 | 
|  | #define DSP_CLK_36MHZ_SELECT    0x40 | 
|  |  | 
|  | #define ASSP_CONTROL_B          0xA4 | 
|  | #define RESET_ASSP              0x00 | 
|  | #define RUN_ASSP                0x01 | 
|  | #define ENABLE_ASSP_CLOCK       0x00 | 
|  | #define STOP_ASSP_CLOCK         0x10 | 
|  | #define RESET_TOGGLE            0x40 | 
|  |  | 
|  | #define ASSP_CONTROL_C          0xA6 | 
|  | #define ASSP_HOST_INT_ENABLE    0x01 | 
|  | #define FM_ADDR_REMAP_DISABLE   0x02 | 
|  | #define HOST_WRITE_PORT_ENABLE  0x08 | 
|  |  | 
|  | #define ASSP_HOST_INT_STATUS    0xAC | 
|  | #define DSP2HOST_REQ_PIORECORD  0x01 | 
|  | #define DSP2HOST_REQ_I2SRATE    0x02 | 
|  | #define DSP2HOST_REQ_TIMER      0x04 | 
|  |  | 
|  | /* AC97 registers */ | 
|  | /* XXX fix this crap up */ | 
|  | /*#define AC97_RESET              0x00*/ | 
|  |  | 
|  | #define AC97_VOL_MUTE_B         0x8000 | 
|  | #define AC97_VOL_M              0x1F | 
|  | #define AC97_LEFT_VOL_S         8 | 
|  |  | 
|  | #define AC97_MASTER_VOL         0x02 | 
|  | #define AC97_LINE_LEVEL_VOL     0x04 | 
|  | #define AC97_MASTER_MONO_VOL    0x06 | 
|  | #define AC97_PC_BEEP_VOL        0x0A | 
|  | #define AC97_PC_BEEP_VOL_M      0x0F | 
|  | #define AC97_SROUND_MASTER_VOL  0x38 | 
|  | #define AC97_PC_BEEP_VOL_S      1 | 
|  |  | 
|  | /*#define AC97_PHONE_VOL          0x0C | 
|  | #define AC97_MIC_VOL            0x0E*/ | 
|  | #define AC97_MIC_20DB_ENABLE    0x40 | 
|  |  | 
|  | /*#define AC97_LINEIN_VOL         0x10 | 
|  | #define AC97_CD_VOL             0x12 | 
|  | #define AC97_VIDEO_VOL          0x14 | 
|  | #define AC97_AUX_VOL            0x16*/ | 
|  | #define AC97_PCM_OUT_VOL        0x18 | 
|  | /*#define AC97_RECORD_SELECT      0x1A*/ | 
|  | #define AC97_RECORD_MIC         0x00 | 
|  | #define AC97_RECORD_CD          0x01 | 
|  | #define AC97_RECORD_VIDEO       0x02 | 
|  | #define AC97_RECORD_AUX         0x03 | 
|  | #define AC97_RECORD_MONO_MUX    0x02 | 
|  | #define AC97_RECORD_DIGITAL     0x03 | 
|  | #define AC97_RECORD_LINE        0x04 | 
|  | #define AC97_RECORD_STEREO      0x05 | 
|  | #define AC97_RECORD_MONO        0x06 | 
|  | #define AC97_RECORD_PHONE       0x07 | 
|  |  | 
|  | /*#define AC97_RECORD_GAIN        0x1C*/ | 
|  | #define AC97_RECORD_VOL_M       0x0F | 
|  |  | 
|  | /*#define AC97_GENERAL_PURPOSE    0x20*/ | 
|  | #define AC97_POWER_DOWN_CTRL    0x26 | 
|  | #define AC97_ADC_READY          0x0001 | 
|  | #define AC97_DAC_READY          0x0002 | 
|  | #define AC97_ANALOG_READY       0x0004 | 
|  | #define AC97_VREF_ON            0x0008 | 
|  | #define AC97_PR0                0x0100 | 
|  | #define AC97_PR1                0x0200 | 
|  | #define AC97_PR2                0x0400 | 
|  | #define AC97_PR3                0x0800 | 
|  | #define AC97_PR4                0x1000 | 
|  |  | 
|  | #define AC97_RESERVED1          0x28 | 
|  |  | 
|  | #define AC97_VENDOR_TEST        0x5A | 
|  |  | 
|  | #define AC97_CLOCK_DELAY        0x5C | 
|  | #define AC97_LINEOUT_MUX_SEL    0x0001 | 
|  | #define AC97_MONO_MUX_SEL       0x0002 | 
|  | #define AC97_CLOCK_DELAY_SEL    0x1F | 
|  | #define AC97_DAC_CDS_SHIFT      6 | 
|  | #define AC97_ADC_CDS_SHIFT      11 | 
|  |  | 
|  | #define AC97_MULTI_CHANNEL_SEL  0x74 | 
|  |  | 
|  | /*#define AC97_VENDOR_ID1         0x7C | 
|  | #define AC97_VENDOR_ID2         0x7E*/ | 
|  |  | 
|  | /* | 
|  | * ASSP control regs | 
|  | */ | 
|  | #define DSP_PORT_TIMER_COUNT    0x06 | 
|  |  | 
|  | #define DSP_PORT_MEMORY_INDEX   0x80 | 
|  |  | 
|  | #define DSP_PORT_MEMORY_TYPE    0x82 | 
|  | #define MEMTYPE_INTERNAL_CODE   0x0002 | 
|  | #define MEMTYPE_INTERNAL_DATA   0x0003 | 
|  | #define MEMTYPE_MASK            0x0003 | 
|  |  | 
|  | #define DSP_PORT_MEMORY_DATA    0x84 | 
|  |  | 
|  | #define DSP_PORT_CONTROL_REG_A  0xA2 | 
|  | #define DSP_PORT_CONTROL_REG_B  0xA4 | 
|  | #define DSP_PORT_CONTROL_REG_C  0xA6 | 
|  |  | 
|  | #define REV_A_CODE_MEMORY_BEGIN         0x0000 | 
|  | #define REV_A_CODE_MEMORY_END           0x0FFF | 
|  | #define REV_A_CODE_MEMORY_UNIT_LENGTH   0x0040 | 
|  | #define REV_A_CODE_MEMORY_LENGTH        (REV_A_CODE_MEMORY_END - REV_A_CODE_MEMORY_BEGIN + 1) | 
|  |  | 
|  | #define REV_B_CODE_MEMORY_BEGIN         0x0000 | 
|  | #define REV_B_CODE_MEMORY_END           0x0BFF | 
|  | #define REV_B_CODE_MEMORY_UNIT_LENGTH   0x0040 | 
|  | #define REV_B_CODE_MEMORY_LENGTH        (REV_B_CODE_MEMORY_END - REV_B_CODE_MEMORY_BEGIN + 1) | 
|  |  | 
|  | #define REV_A_DATA_MEMORY_BEGIN         0x1000 | 
|  | #define REV_A_DATA_MEMORY_END           0x2FFF | 
|  | #define REV_A_DATA_MEMORY_UNIT_LENGTH   0x0080 | 
|  | #define REV_A_DATA_MEMORY_LENGTH        (REV_A_DATA_MEMORY_END - REV_A_DATA_MEMORY_BEGIN + 1) | 
|  |  | 
|  | #define REV_B_DATA_MEMORY_BEGIN         0x1000 | 
|  | #define REV_B_DATA_MEMORY_END           0x2BFF | 
|  | #define REV_B_DATA_MEMORY_UNIT_LENGTH   0x0080 | 
|  | #define REV_B_DATA_MEMORY_LENGTH        (REV_B_DATA_MEMORY_END - REV_B_DATA_MEMORY_BEGIN + 1) | 
|  |  | 
|  |  | 
|  | #define NUM_UNITS_KERNEL_CODE          16 | 
|  | #define NUM_UNITS_KERNEL_DATA           2 | 
|  |  | 
|  | #define NUM_UNITS_KERNEL_CODE_WITH_HSP 16 | 
|  | #define NUM_UNITS_KERNEL_DATA_WITH_HSP  5 | 
|  |  | 
|  | /* | 
|  | * Kernel data layout | 
|  | */ | 
|  |  | 
|  | #define DP_SHIFT_COUNT                  7 | 
|  |  | 
|  | #define KDATA_BASE_ADDR                 0x1000 | 
|  | #define KDATA_BASE_ADDR2                0x1080 | 
|  |  | 
|  | #define KDATA_TASK0                     (KDATA_BASE_ADDR + 0x0000) | 
|  | #define KDATA_TASK1                     (KDATA_BASE_ADDR + 0x0001) | 
|  | #define KDATA_TASK2                     (KDATA_BASE_ADDR + 0x0002) | 
|  | #define KDATA_TASK3                     (KDATA_BASE_ADDR + 0x0003) | 
|  | #define KDATA_TASK4                     (KDATA_BASE_ADDR + 0x0004) | 
|  | #define KDATA_TASK5                     (KDATA_BASE_ADDR + 0x0005) | 
|  | #define KDATA_TASK6                     (KDATA_BASE_ADDR + 0x0006) | 
|  | #define KDATA_TASK7                     (KDATA_BASE_ADDR + 0x0007) | 
|  | #define KDATA_TASK_ENDMARK              (KDATA_BASE_ADDR + 0x0008) | 
|  |  | 
|  | #define KDATA_CURRENT_TASK              (KDATA_BASE_ADDR + 0x0009) | 
|  | #define KDATA_TASK_SWITCH               (KDATA_BASE_ADDR + 0x000A) | 
|  |  | 
|  | #define KDATA_INSTANCE0_POS3D           (KDATA_BASE_ADDR + 0x000B) | 
|  | #define KDATA_INSTANCE1_POS3D           (KDATA_BASE_ADDR + 0x000C) | 
|  | #define KDATA_INSTANCE2_POS3D           (KDATA_BASE_ADDR + 0x000D) | 
|  | #define KDATA_INSTANCE3_POS3D           (KDATA_BASE_ADDR + 0x000E) | 
|  | #define KDATA_INSTANCE4_POS3D           (KDATA_BASE_ADDR + 0x000F) | 
|  | #define KDATA_INSTANCE5_POS3D           (KDATA_BASE_ADDR + 0x0010) | 
|  | #define KDATA_INSTANCE6_POS3D           (KDATA_BASE_ADDR + 0x0011) | 
|  | #define KDATA_INSTANCE7_POS3D           (KDATA_BASE_ADDR + 0x0012) | 
|  | #define KDATA_INSTANCE8_POS3D           (KDATA_BASE_ADDR + 0x0013) | 
|  | #define KDATA_INSTANCE_POS3D_ENDMARK    (KDATA_BASE_ADDR + 0x0014) | 
|  |  | 
|  | #define KDATA_INSTANCE0_SPKVIRT         (KDATA_BASE_ADDR + 0x0015) | 
|  | #define KDATA_INSTANCE_SPKVIRT_ENDMARK  (KDATA_BASE_ADDR + 0x0016) | 
|  |  | 
|  | #define KDATA_INSTANCE0_SPDIF           (KDATA_BASE_ADDR + 0x0017) | 
|  | #define KDATA_INSTANCE_SPDIF_ENDMARK    (KDATA_BASE_ADDR + 0x0018) | 
|  |  | 
|  | #define KDATA_INSTANCE0_MODEM           (KDATA_BASE_ADDR + 0x0019) | 
|  | #define KDATA_INSTANCE_MODEM_ENDMARK    (KDATA_BASE_ADDR + 0x001A) | 
|  |  | 
|  | #define KDATA_INSTANCE0_SRC             (KDATA_BASE_ADDR + 0x001B) | 
|  | #define KDATA_INSTANCE1_SRC             (KDATA_BASE_ADDR + 0x001C) | 
|  | #define KDATA_INSTANCE_SRC_ENDMARK      (KDATA_BASE_ADDR + 0x001D) | 
|  |  | 
|  | #define KDATA_INSTANCE0_MINISRC         (KDATA_BASE_ADDR + 0x001E) | 
|  | #define KDATA_INSTANCE1_MINISRC         (KDATA_BASE_ADDR + 0x001F) | 
|  | #define KDATA_INSTANCE2_MINISRC         (KDATA_BASE_ADDR + 0x0020) | 
|  | #define KDATA_INSTANCE3_MINISRC         (KDATA_BASE_ADDR + 0x0021) | 
|  | #define KDATA_INSTANCE_MINISRC_ENDMARK  (KDATA_BASE_ADDR + 0x0022) | 
|  |  | 
|  | #define KDATA_INSTANCE0_CPYTHRU         (KDATA_BASE_ADDR + 0x0023) | 
|  | #define KDATA_INSTANCE1_CPYTHRU         (KDATA_BASE_ADDR + 0x0024) | 
|  | #define KDATA_INSTANCE_CPYTHRU_ENDMARK  (KDATA_BASE_ADDR + 0x0025) | 
|  |  | 
|  | #define KDATA_CURRENT_DMA               (KDATA_BASE_ADDR + 0x0026) | 
|  | #define KDATA_DMA_SWITCH                (KDATA_BASE_ADDR + 0x0027) | 
|  | #define KDATA_DMA_ACTIVE                (KDATA_BASE_ADDR + 0x0028) | 
|  |  | 
|  | #define KDATA_DMA_XFER0                 (KDATA_BASE_ADDR + 0x0029) | 
|  | #define KDATA_DMA_XFER1                 (KDATA_BASE_ADDR + 0x002A) | 
|  | #define KDATA_DMA_XFER2                 (KDATA_BASE_ADDR + 0x002B) | 
|  | #define KDATA_DMA_XFER3                 (KDATA_BASE_ADDR + 0x002C) | 
|  | #define KDATA_DMA_XFER4                 (KDATA_BASE_ADDR + 0x002D) | 
|  | #define KDATA_DMA_XFER5                 (KDATA_BASE_ADDR + 0x002E) | 
|  | #define KDATA_DMA_XFER6                 (KDATA_BASE_ADDR + 0x002F) | 
|  | #define KDATA_DMA_XFER7                 (KDATA_BASE_ADDR + 0x0030) | 
|  | #define KDATA_DMA_XFER8                 (KDATA_BASE_ADDR + 0x0031) | 
|  | #define KDATA_DMA_XFER_ENDMARK          (KDATA_BASE_ADDR + 0x0032) | 
|  |  | 
|  | #define KDATA_I2S_SAMPLE_COUNT          (KDATA_BASE_ADDR + 0x0033) | 
|  | #define KDATA_I2S_INT_METER             (KDATA_BASE_ADDR + 0x0034) | 
|  | #define KDATA_I2S_ACTIVE                (KDATA_BASE_ADDR + 0x0035) | 
|  |  | 
|  | #define KDATA_TIMER_COUNT_RELOAD        (KDATA_BASE_ADDR + 0x0036) | 
|  | #define KDATA_TIMER_COUNT_CURRENT       (KDATA_BASE_ADDR + 0x0037) | 
|  |  | 
|  | #define KDATA_HALT_SYNCH_CLIENT         (KDATA_BASE_ADDR + 0x0038) | 
|  | #define KDATA_HALT_SYNCH_DMA            (KDATA_BASE_ADDR + 0x0039) | 
|  | #define KDATA_HALT_ACKNOWLEDGE          (KDATA_BASE_ADDR + 0x003A) | 
|  |  | 
|  | #define KDATA_ADC1_XFER0                (KDATA_BASE_ADDR + 0x003B) | 
|  | #define KDATA_ADC1_XFER_ENDMARK         (KDATA_BASE_ADDR + 0x003C) | 
|  | #define KDATA_ADC1_LEFT_VOLUME			(KDATA_BASE_ADDR + 0x003D) | 
|  | #define KDATA_ADC1_RIGHT_VOLUME  		(KDATA_BASE_ADDR + 0x003E) | 
|  | #define KDATA_ADC1_LEFT_SUR_VOL			(KDATA_BASE_ADDR + 0x003F) | 
|  | #define KDATA_ADC1_RIGHT_SUR_VOL		(KDATA_BASE_ADDR + 0x0040) | 
|  |  | 
|  | #define KDATA_ADC2_XFER0                (KDATA_BASE_ADDR + 0x0041) | 
|  | #define KDATA_ADC2_XFER_ENDMARK         (KDATA_BASE_ADDR + 0x0042) | 
|  | #define KDATA_ADC2_LEFT_VOLUME			(KDATA_BASE_ADDR + 0x0043) | 
|  | #define KDATA_ADC2_RIGHT_VOLUME			(KDATA_BASE_ADDR + 0x0044) | 
|  | #define KDATA_ADC2_LEFT_SUR_VOL			(KDATA_BASE_ADDR + 0x0045) | 
|  | #define KDATA_ADC2_RIGHT_SUR_VOL		(KDATA_BASE_ADDR + 0x0046) | 
|  |  | 
|  | #define KDATA_CD_XFER0					(KDATA_BASE_ADDR + 0x0047) | 
|  | #define KDATA_CD_XFER_ENDMARK			(KDATA_BASE_ADDR + 0x0048) | 
|  | #define KDATA_CD_LEFT_VOLUME			(KDATA_BASE_ADDR + 0x0049) | 
|  | #define KDATA_CD_RIGHT_VOLUME			(KDATA_BASE_ADDR + 0x004A) | 
|  | #define KDATA_CD_LEFT_SUR_VOL			(KDATA_BASE_ADDR + 0x004B) | 
|  | #define KDATA_CD_RIGHT_SUR_VOL			(KDATA_BASE_ADDR + 0x004C) | 
|  |  | 
|  | #define KDATA_MIC_XFER0					(KDATA_BASE_ADDR + 0x004D) | 
|  | #define KDATA_MIC_XFER_ENDMARK			(KDATA_BASE_ADDR + 0x004E) | 
|  | #define KDATA_MIC_VOLUME				(KDATA_BASE_ADDR + 0x004F) | 
|  | #define KDATA_MIC_SUR_VOL				(KDATA_BASE_ADDR + 0x0050) | 
|  |  | 
|  | #define KDATA_I2S_XFER0                 (KDATA_BASE_ADDR + 0x0051) | 
|  | #define KDATA_I2S_XFER_ENDMARK          (KDATA_BASE_ADDR + 0x0052) | 
|  |  | 
|  | #define KDATA_CHI_XFER0                 (KDATA_BASE_ADDR + 0x0053) | 
|  | #define KDATA_CHI_XFER_ENDMARK          (KDATA_BASE_ADDR + 0x0054) | 
|  |  | 
|  | #define KDATA_SPDIF_XFER                (KDATA_BASE_ADDR + 0x0055) | 
|  | #define KDATA_SPDIF_CURRENT_FRAME       (KDATA_BASE_ADDR + 0x0056) | 
|  | #define KDATA_SPDIF_FRAME0              (KDATA_BASE_ADDR + 0x0057) | 
|  | #define KDATA_SPDIF_FRAME1              (KDATA_BASE_ADDR + 0x0058) | 
|  | #define KDATA_SPDIF_FRAME2              (KDATA_BASE_ADDR + 0x0059) | 
|  |  | 
|  | #define KDATA_SPDIF_REQUEST             (KDATA_BASE_ADDR + 0x005A) | 
|  | #define KDATA_SPDIF_TEMP                (KDATA_BASE_ADDR + 0x005B) | 
|  |  | 
|  | #define KDATA_SPDIFIN_XFER0             (KDATA_BASE_ADDR + 0x005C) | 
|  | #define KDATA_SPDIFIN_XFER_ENDMARK      (KDATA_BASE_ADDR + 0x005D) | 
|  | #define KDATA_SPDIFIN_INT_METER         (KDATA_BASE_ADDR + 0x005E) | 
|  |  | 
|  | #define KDATA_DSP_RESET_COUNT           (KDATA_BASE_ADDR + 0x005F) | 
|  | #define KDATA_DEBUG_OUTPUT              (KDATA_BASE_ADDR + 0x0060) | 
|  |  | 
|  | #define KDATA_KERNEL_ISR_LIST           (KDATA_BASE_ADDR + 0x0061) | 
|  |  | 
|  | #define KDATA_KERNEL_ISR_CBSR1          (KDATA_BASE_ADDR + 0x0062) | 
|  | #define KDATA_KERNEL_ISR_CBER1          (KDATA_BASE_ADDR + 0x0063) | 
|  | #define KDATA_KERNEL_ISR_CBCR           (KDATA_BASE_ADDR + 0x0064) | 
|  | #define KDATA_KERNEL_ISR_AR0            (KDATA_BASE_ADDR + 0x0065) | 
|  | #define KDATA_KERNEL_ISR_AR1            (KDATA_BASE_ADDR + 0x0066) | 
|  | #define KDATA_KERNEL_ISR_AR2            (KDATA_BASE_ADDR + 0x0067) | 
|  | #define KDATA_KERNEL_ISR_AR3            (KDATA_BASE_ADDR + 0x0068) | 
|  | #define KDATA_KERNEL_ISR_AR4            (KDATA_BASE_ADDR + 0x0069) | 
|  | #define KDATA_KERNEL_ISR_AR5            (KDATA_BASE_ADDR + 0x006A) | 
|  | #define KDATA_KERNEL_ISR_BRCR           (KDATA_BASE_ADDR + 0x006B) | 
|  | #define KDATA_KERNEL_ISR_PASR           (KDATA_BASE_ADDR + 0x006C) | 
|  | #define KDATA_KERNEL_ISR_PAER           (KDATA_BASE_ADDR + 0x006D) | 
|  |  | 
|  | #define KDATA_CLIENT_SCRATCH0           (KDATA_BASE_ADDR + 0x006E) | 
|  | #define KDATA_CLIENT_SCRATCH1           (KDATA_BASE_ADDR + 0x006F) | 
|  | #define KDATA_KERNEL_SCRATCH            (KDATA_BASE_ADDR + 0x0070) | 
|  | #define KDATA_KERNEL_ISR_SCRATCH        (KDATA_BASE_ADDR + 0x0071) | 
|  |  | 
|  | #define KDATA_OUEUE_LEFT                (KDATA_BASE_ADDR + 0x0072) | 
|  | #define KDATA_QUEUE_RIGHT               (KDATA_BASE_ADDR + 0x0073) | 
|  |  | 
|  | #define KDATA_ADC1_REQUEST              (KDATA_BASE_ADDR + 0x0074) | 
|  | #define KDATA_ADC2_REQUEST              (KDATA_BASE_ADDR + 0x0075) | 
|  | #define KDATA_CD_REQUEST				(KDATA_BASE_ADDR + 0x0076) | 
|  | #define KDATA_MIC_REQUEST				(KDATA_BASE_ADDR + 0x0077) | 
|  |  | 
|  | #define KDATA_ADC1_MIXER_REQUEST        (KDATA_BASE_ADDR + 0x0078) | 
|  | #define KDATA_ADC2_MIXER_REQUEST        (KDATA_BASE_ADDR + 0x0079) | 
|  | #define KDATA_CD_MIXER_REQUEST			(KDATA_BASE_ADDR + 0x007A) | 
|  | #define KDATA_MIC_MIXER_REQUEST			(KDATA_BASE_ADDR + 0x007B) | 
|  | #define KDATA_MIC_SYNC_COUNTER			(KDATA_BASE_ADDR + 0x007C) | 
|  |  | 
|  | /* | 
|  | * second 'segment' (?) reserved for mixer | 
|  | * buffers.. | 
|  | */ | 
|  |  | 
|  | #define KDATA_MIXER_WORD0               (KDATA_BASE_ADDR2 + 0x0000) | 
|  | #define KDATA_MIXER_WORD1               (KDATA_BASE_ADDR2 + 0x0001) | 
|  | #define KDATA_MIXER_WORD2               (KDATA_BASE_ADDR2 + 0x0002) | 
|  | #define KDATA_MIXER_WORD3               (KDATA_BASE_ADDR2 + 0x0003) | 
|  | #define KDATA_MIXER_WORD4               (KDATA_BASE_ADDR2 + 0x0004) | 
|  | #define KDATA_MIXER_WORD5               (KDATA_BASE_ADDR2 + 0x0005) | 
|  | #define KDATA_MIXER_WORD6               (KDATA_BASE_ADDR2 + 0x0006) | 
|  | #define KDATA_MIXER_WORD7               (KDATA_BASE_ADDR2 + 0x0007) | 
|  | #define KDATA_MIXER_WORD8               (KDATA_BASE_ADDR2 + 0x0008) | 
|  | #define KDATA_MIXER_WORD9               (KDATA_BASE_ADDR2 + 0x0009) | 
|  | #define KDATA_MIXER_WORDA               (KDATA_BASE_ADDR2 + 0x000A) | 
|  | #define KDATA_MIXER_WORDB               (KDATA_BASE_ADDR2 + 0x000B) | 
|  | #define KDATA_MIXER_WORDC               (KDATA_BASE_ADDR2 + 0x000C) | 
|  | #define KDATA_MIXER_WORDD               (KDATA_BASE_ADDR2 + 0x000D) | 
|  | #define KDATA_MIXER_WORDE               (KDATA_BASE_ADDR2 + 0x000E) | 
|  | #define KDATA_MIXER_WORDF               (KDATA_BASE_ADDR2 + 0x000F) | 
|  |  | 
|  | #define KDATA_MIXER_XFER0               (KDATA_BASE_ADDR2 + 0x0010) | 
|  | #define KDATA_MIXER_XFER1               (KDATA_BASE_ADDR2 + 0x0011) | 
|  | #define KDATA_MIXER_XFER2               (KDATA_BASE_ADDR2 + 0x0012) | 
|  | #define KDATA_MIXER_XFER3               (KDATA_BASE_ADDR2 + 0x0013) | 
|  | #define KDATA_MIXER_XFER4               (KDATA_BASE_ADDR2 + 0x0014) | 
|  | #define KDATA_MIXER_XFER5               (KDATA_BASE_ADDR2 + 0x0015) | 
|  | #define KDATA_MIXER_XFER6               (KDATA_BASE_ADDR2 + 0x0016) | 
|  | #define KDATA_MIXER_XFER7               (KDATA_BASE_ADDR2 + 0x0017) | 
|  | #define KDATA_MIXER_XFER8               (KDATA_BASE_ADDR2 + 0x0018) | 
|  | #define KDATA_MIXER_XFER9               (KDATA_BASE_ADDR2 + 0x0019) | 
|  | #define KDATA_MIXER_XFER_ENDMARK        (KDATA_BASE_ADDR2 + 0x001A) | 
|  |  | 
|  | #define KDATA_MIXER_TASK_NUMBER         (KDATA_BASE_ADDR2 + 0x001B) | 
|  | #define KDATA_CURRENT_MIXER             (KDATA_BASE_ADDR2 + 0x001C) | 
|  | #define KDATA_MIXER_ACTIVE              (KDATA_BASE_ADDR2 + 0x001D) | 
|  | #define KDATA_MIXER_BANK_STATUS         (KDATA_BASE_ADDR2 + 0x001E) | 
|  | #define KDATA_DAC_LEFT_VOLUME	        (KDATA_BASE_ADDR2 + 0x001F) | 
|  | #define KDATA_DAC_RIGHT_VOLUME          (KDATA_BASE_ADDR2 + 0x0020) | 
|  |  | 
|  | #define MAX_INSTANCE_MINISRC            (KDATA_INSTANCE_MINISRC_ENDMARK - KDATA_INSTANCE0_MINISRC) | 
|  | #define MAX_VIRTUAL_DMA_CHANNELS        (KDATA_DMA_XFER_ENDMARK - KDATA_DMA_XFER0) | 
|  | #define MAX_VIRTUAL_MIXER_CHANNELS      (KDATA_MIXER_XFER_ENDMARK - KDATA_MIXER_XFER0) | 
|  | #define MAX_VIRTUAL_ADC1_CHANNELS       (KDATA_ADC1_XFER_ENDMARK - KDATA_ADC1_XFER0) | 
|  |  | 
|  | /* | 
|  | * client data area offsets | 
|  | */ | 
|  | #define CDATA_INSTANCE_READY            0x00 | 
|  |  | 
|  | #define CDATA_HOST_SRC_ADDRL            0x01 | 
|  | #define CDATA_HOST_SRC_ADDRH            0x02 | 
|  | #define CDATA_HOST_SRC_END_PLUS_1L      0x03 | 
|  | #define CDATA_HOST_SRC_END_PLUS_1H      0x04 | 
|  | #define CDATA_HOST_SRC_CURRENTL         0x05 | 
|  | #define CDATA_HOST_SRC_CURRENTH         0x06 | 
|  |  | 
|  | #define CDATA_IN_BUF_CONNECT            0x07 | 
|  | #define CDATA_OUT_BUF_CONNECT           0x08 | 
|  |  | 
|  | #define CDATA_IN_BUF_BEGIN              0x09 | 
|  | #define CDATA_IN_BUF_END_PLUS_1         0x0A | 
|  | #define CDATA_IN_BUF_HEAD               0x0B | 
|  | #define CDATA_IN_BUF_TAIL               0x0C | 
|  | #define CDATA_OUT_BUF_BEGIN             0x0D | 
|  | #define CDATA_OUT_BUF_END_PLUS_1        0x0E | 
|  | #define CDATA_OUT_BUF_HEAD              0x0F | 
|  | #define CDATA_OUT_BUF_TAIL              0x10 | 
|  |  | 
|  | #define CDATA_DMA_CONTROL               0x11 | 
|  | #define CDATA_RESERVED                  0x12 | 
|  |  | 
|  | #define CDATA_FREQUENCY                 0x13 | 
|  | #define CDATA_LEFT_VOLUME               0x14 | 
|  | #define CDATA_RIGHT_VOLUME              0x15 | 
|  | #define CDATA_LEFT_SUR_VOL              0x16 | 
|  | #define CDATA_RIGHT_SUR_VOL             0x17 | 
|  |  | 
|  | #define CDATA_HEADER_LEN                0x18 | 
|  |  | 
|  | #define SRC3_DIRECTION_OFFSET           CDATA_HEADER_LEN | 
|  | #define SRC3_MODE_OFFSET                (CDATA_HEADER_LEN + 1) | 
|  | #define SRC3_WORD_LENGTH_OFFSET         (CDATA_HEADER_LEN + 2) | 
|  | #define SRC3_PARAMETER_OFFSET           (CDATA_HEADER_LEN + 3) | 
|  | #define SRC3_COEFF_ADDR_OFFSET          (CDATA_HEADER_LEN + 8) | 
|  | #define SRC3_FILTAP_ADDR_OFFSET         (CDATA_HEADER_LEN + 10) | 
|  | #define SRC3_TEMP_INBUF_ADDR_OFFSET     (CDATA_HEADER_LEN + 16) | 
|  | #define SRC3_TEMP_OUTBUF_ADDR_OFFSET    (CDATA_HEADER_LEN + 17) | 
|  |  | 
|  | #define MINISRC_IN_BUFFER_SIZE   ( 0x50 * 2 ) | 
|  | #define MINISRC_OUT_BUFFER_SIZE  ( 0x50 * 2 * 2) | 
|  | #define MINISRC_OUT_BUFFER_SIZE  ( 0x50 * 2 * 2) | 
|  | #define MINISRC_TMP_BUFFER_SIZE  ( 112 + ( MINISRC_BIQUAD_STAGE * 3 + 4 ) * 2 * 2 ) | 
|  | #define MINISRC_BIQUAD_STAGE    2 | 
|  | #define MINISRC_COEF_LOC          0x175 | 
|  |  | 
|  | #define DMACONTROL_BLOCK_MASK           0x000F | 
|  | #define  DMAC_BLOCK0_SELECTOR           0x0000 | 
|  | #define  DMAC_BLOCK1_SELECTOR           0x0001 | 
|  | #define  DMAC_BLOCK2_SELECTOR           0x0002 | 
|  | #define  DMAC_BLOCK3_SELECTOR           0x0003 | 
|  | #define  DMAC_BLOCK4_SELECTOR           0x0004 | 
|  | #define  DMAC_BLOCK5_SELECTOR           0x0005 | 
|  | #define  DMAC_BLOCK6_SELECTOR           0x0006 | 
|  | #define  DMAC_BLOCK7_SELECTOR           0x0007 | 
|  | #define  DMAC_BLOCK8_SELECTOR           0x0008 | 
|  | #define  DMAC_BLOCK9_SELECTOR           0x0009 | 
|  | #define  DMAC_BLOCKA_SELECTOR           0x000A | 
|  | #define  DMAC_BLOCKB_SELECTOR           0x000B | 
|  | #define  DMAC_BLOCKC_SELECTOR           0x000C | 
|  | #define  DMAC_BLOCKD_SELECTOR           0x000D | 
|  | #define  DMAC_BLOCKE_SELECTOR           0x000E | 
|  | #define  DMAC_BLOCKF_SELECTOR           0x000F | 
|  | #define DMACONTROL_PAGE_MASK            0x00F0 | 
|  | #define  DMAC_PAGE0_SELECTOR            0x0030 | 
|  | #define  DMAC_PAGE1_SELECTOR            0x0020 | 
|  | #define  DMAC_PAGE2_SELECTOR            0x0010 | 
|  | #define  DMAC_PAGE3_SELECTOR            0x0000 | 
|  | #define DMACONTROL_AUTOREPEAT           0x1000 | 
|  | #define DMACONTROL_STOPPED              0x2000 | 
|  | #define DMACONTROL_DIRECTION            0x0100 | 
|  |  | 
|  | /* | 
|  | * an arbitrary volume we set the internal | 
|  | * volume settings to so that the ac97 volume | 
|  | * range is a little less insane.  0x7fff is | 
|  | * max. | 
|  | */ | 
|  | #define ARB_VOLUME ( 0x6800 ) | 
|  |  | 
|  | /* | 
|  | */ | 
|  |  | 
|  | /* quirk lists */ | 
|  | struct m3_quirk { | 
|  | const char *name;	/* device name */ | 
|  | u16 vendor, device;	/* subsystem ids */ | 
|  | int amp_gpio;		/* gpio pin #  for external amp, -1 = default */ | 
|  | int irda_workaround;	/* non-zero if avoid to touch 0x10 on GPIO_DIRECTION | 
|  | (e.g. for IrDA on Dell Inspirons) */ | 
|  | }; | 
|  |  | 
|  | struct m3_hv_quirk { | 
|  | u16 vendor, device, subsystem_vendor, subsystem_device; | 
|  | u32 config;		/* ALLEGRO_CONFIG hardware volume bits */ | 
|  | int is_omnibook;	/* Do HP OmniBook GPIO magic? */ | 
|  | }; | 
|  |  | 
|  | struct m3_list { | 
|  | int curlen; | 
|  | int mem_addr; | 
|  | int max; | 
|  | }; | 
|  |  | 
|  | struct m3_dma { | 
|  |  | 
|  | int number; | 
|  | struct snd_pcm_substream *substream; | 
|  |  | 
|  | struct assp_instance { | 
|  | unsigned short code, data; | 
|  | } inst; | 
|  |  | 
|  | int running; | 
|  | int opened; | 
|  |  | 
|  | unsigned long buffer_addr; | 
|  | int dma_size; | 
|  | int period_size; | 
|  | unsigned int hwptr; | 
|  | int count; | 
|  |  | 
|  | int index[3]; | 
|  | struct m3_list *index_list[3]; | 
|  |  | 
|  | int in_lists; | 
|  |  | 
|  | struct list_head list; | 
|  |  | 
|  | }; | 
|  |  | 
|  | struct snd_m3 { | 
|  |  | 
|  | struct snd_card *card; | 
|  |  | 
|  | unsigned long iobase; | 
|  |  | 
|  | int irq; | 
|  | unsigned int allegro_flag : 1; | 
|  |  | 
|  | struct snd_ac97 *ac97; | 
|  |  | 
|  | struct snd_pcm *pcm; | 
|  |  | 
|  | struct pci_dev *pci; | 
|  | const struct m3_quirk *quirk; | 
|  | const struct m3_hv_quirk *hv_quirk; | 
|  |  | 
|  | int dacs_active; | 
|  | int timer_users; | 
|  |  | 
|  | struct m3_list  msrc_list; | 
|  | struct m3_list  mixer_list; | 
|  | struct m3_list  adc1_list; | 
|  | struct m3_list  dma_list; | 
|  |  | 
|  | /* for storing reset state..*/ | 
|  | u8 reset_state; | 
|  |  | 
|  | int external_amp; | 
|  | int amp_gpio; | 
|  |  | 
|  | /* midi */ | 
|  | struct snd_rawmidi *rmidi; | 
|  |  | 
|  | /* pcm streams */ | 
|  | int num_substreams; | 
|  | struct m3_dma *substreams; | 
|  |  | 
|  | spinlock_t reg_lock; | 
|  | spinlock_t ac97_lock; | 
|  |  | 
|  | struct snd_kcontrol *master_switch; | 
|  | struct snd_kcontrol *master_volume; | 
|  | struct tasklet_struct hwvol_tq; | 
|  |  | 
|  | #ifdef CONFIG_PM | 
|  | u16 *suspend_mem; | 
|  | #endif | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * pci ids | 
|  | */ | 
|  | static struct pci_device_id snd_m3_ids[] = { | 
|  | {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ALLEGRO_1, PCI_ANY_ID, PCI_ANY_ID, | 
|  | PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0}, | 
|  | {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ALLEGRO, PCI_ANY_ID, PCI_ANY_ID, | 
|  | PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0}, | 
|  | {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_CANYON3D_2LE, PCI_ANY_ID, PCI_ANY_ID, | 
|  | PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0}, | 
|  | {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_CANYON3D_2, PCI_ANY_ID, PCI_ANY_ID, | 
|  | PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0}, | 
|  | {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3, PCI_ANY_ID, PCI_ANY_ID, | 
|  | PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0}, | 
|  | {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_1, PCI_ANY_ID, PCI_ANY_ID, | 
|  | PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0}, | 
|  | {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_HW, PCI_ANY_ID, PCI_ANY_ID, | 
|  | PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0}, | 
|  | {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_MAESTRO3_2, PCI_ANY_ID, PCI_ANY_ID, | 
|  | PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0}, | 
|  | {0,}, | 
|  | }; | 
|  |  | 
|  | MODULE_DEVICE_TABLE(pci, snd_m3_ids); | 
|  |  | 
|  | static const struct m3_quirk m3_quirk_list[] = { | 
|  | /* panasonic CF-28 "toughbook" */ | 
|  | { | 
|  | .name = "Panasonic CF-28", | 
|  | .vendor = 0x10f7, | 
|  | .device = 0x833e, | 
|  | .amp_gpio = 0x0d, | 
|  | }, | 
|  | /* panasonic CF-72 "toughbook" */ | 
|  | { | 
|  | .name = "Panasonic CF-72", | 
|  | .vendor = 0x10f7, | 
|  | .device = 0x833d, | 
|  | .amp_gpio = 0x0d, | 
|  | }, | 
|  | /* Dell Inspiron 4000 */ | 
|  | { | 
|  | .name = "Dell Inspiron 4000", | 
|  | .vendor = 0x1028, | 
|  | .device = 0x00b0, | 
|  | .amp_gpio = -1, | 
|  | .irda_workaround = 1, | 
|  | }, | 
|  | /* Dell Inspiron 8000 */ | 
|  | { | 
|  | .name = "Dell Inspiron 8000", | 
|  | .vendor = 0x1028, | 
|  | .device = 0x00a4, | 
|  | .amp_gpio = -1, | 
|  | .irda_workaround = 1, | 
|  | }, | 
|  | /* Dell Inspiron 8100 */ | 
|  | { | 
|  | .name = "Dell Inspiron 8100", | 
|  | .vendor = 0x1028, | 
|  | .device = 0x00e6, | 
|  | .amp_gpio = -1, | 
|  | .irda_workaround = 1, | 
|  | }, | 
|  | /* NEC LM800J/7 */ | 
|  | { | 
|  | .name = "NEC LM800J/7", | 
|  | .vendor = 0x1033, | 
|  | .device = 0x80f1, | 
|  | .amp_gpio = 0x03, | 
|  | }, | 
|  | /* LEGEND ZhaoYang 3100CF */ | 
|  | { | 
|  | .name = "LEGEND ZhaoYang 3100CF", | 
|  | .vendor = 0x1509, | 
|  | .device = 0x1740, | 
|  | .amp_gpio = 0x03, | 
|  | }, | 
|  | /* END */ | 
|  | { NULL } | 
|  | }; | 
|  |  | 
|  | /* These values came from the Windows driver. */ | 
|  | static const struct m3_hv_quirk m3_hv_quirk_list[] = { | 
|  | /* Allegro chips */ | 
|  | { 0x125D, 0x1988, 0x0E11, 0x002E, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x0E11, 0x0094, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x0E11, 0xB112, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x0E11, 0xB114, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x103C, 0x0012, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x103C, 0x0018, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x103C, 0x001C, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x103C, 0x001D, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x103C, 0x001E, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x107B, 0x3350, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x10F7, 0x8338, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x10F7, 0x833C, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x10F7, 0x833D, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x10F7, 0x833E, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x10F7, 0x833F, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x13BD, 0x1018, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x13BD, 0x1019, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x13BD, 0x101A, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x14FF, 0x0F03, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x14FF, 0x0F04, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x14FF, 0x0F05, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x156D, 0xB400, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x156D, 0xB795, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x156D, 0xB797, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x156D, 0xC700, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 }, | 
|  | { 0x125D, 0x1988, 0x1033, 0x80F1, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 }, | 
|  | { 0x125D, 0x1988, 0x103C, 0x001A, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 }, /* HP OmniBook 6100 */ | 
|  | { 0x125D, 0x1988, 0x107B, 0x340A, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 }, | 
|  | { 0x125D, 0x1988, 0x107B, 0x3450, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 }, | 
|  | { 0x125D, 0x1988, 0x109F, 0x3134, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 }, | 
|  | { 0x125D, 0x1988, 0x109F, 0x3161, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 }, | 
|  | { 0x125D, 0x1988, 0x144D, 0x3280, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 }, | 
|  | { 0x125D, 0x1988, 0x144D, 0x3281, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 }, | 
|  | { 0x125D, 0x1988, 0x144D, 0xC002, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 }, | 
|  | { 0x125D, 0x1988, 0x144D, 0xC003, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 }, | 
|  | { 0x125D, 0x1988, 0x1509, 0x1740, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 }, | 
|  | { 0x125D, 0x1988, 0x1610, 0x0010, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE, 0 }, | 
|  | { 0x125D, 0x1988, 0x1042, 0x1042, HV_CTRL_ENABLE, 0 }, | 
|  | { 0x125D, 0x1988, 0x107B, 0x9500, HV_CTRL_ENABLE, 0 }, | 
|  | { 0x125D, 0x1988, 0x14FF, 0x0F06, HV_CTRL_ENABLE, 0 }, | 
|  | { 0x125D, 0x1988, 0x1558, 0x8586, HV_CTRL_ENABLE, 0 }, | 
|  | { 0x125D, 0x1988, 0x161F, 0x2011, HV_CTRL_ENABLE, 0 }, | 
|  | /* Maestro3 chips */ | 
|  | { 0x125D, 0x1998, 0x103C, 0x000E, HV_CTRL_ENABLE, 0 }, | 
|  | { 0x125D, 0x1998, 0x103C, 0x0010, HV_CTRL_ENABLE, 1 }, /* HP OmniBook 6000 */ | 
|  | { 0x125D, 0x1998, 0x103C, 0x0011, HV_CTRL_ENABLE, 1 }, /* HP OmniBook 500 */ | 
|  | { 0x125D, 0x1998, 0x103C, 0x001B, HV_CTRL_ENABLE, 0 }, | 
|  | { 0x125D, 0x1998, 0x104D, 0x80A6, HV_CTRL_ENABLE, 0 }, | 
|  | { 0x125D, 0x1998, 0x104D, 0x80AA, HV_CTRL_ENABLE, 0 }, | 
|  | { 0x125D, 0x1998, 0x107B, 0x5300, HV_CTRL_ENABLE, 0 }, | 
|  | { 0x125D, 0x1998, 0x110A, 0x1998, HV_CTRL_ENABLE, 0 }, | 
|  | { 0x125D, 0x1998, 0x13BD, 0x1015, HV_CTRL_ENABLE, 0 }, | 
|  | { 0x125D, 0x1998, 0x13BD, 0x101C, HV_CTRL_ENABLE, 0 }, | 
|  | { 0x125D, 0x1998, 0x13BD, 0x1802, HV_CTRL_ENABLE, 0 }, | 
|  | { 0x125D, 0x1998, 0x1599, 0x0715, HV_CTRL_ENABLE, 0 }, | 
|  | { 0x125D, 0x1998, 0x5643, 0x5643, HV_CTRL_ENABLE, 0 }, | 
|  | { 0x125D, 0x199A, 0x144D, 0x3260, HV_CTRL_ENABLE | REDUCED_DEBOUNCE, 0 }, | 
|  | { 0x125D, 0x199A, 0x144D, 0x3261, HV_CTRL_ENABLE | REDUCED_DEBOUNCE, 0 }, | 
|  | { 0x125D, 0x199A, 0x144D, 0xC000, HV_CTRL_ENABLE | REDUCED_DEBOUNCE, 0 }, | 
|  | { 0x125D, 0x199A, 0x144D, 0xC001, HV_CTRL_ENABLE | REDUCED_DEBOUNCE, 0 }, | 
|  | { 0 } | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * lowlevel functions | 
|  | */ | 
|  |  | 
|  | static inline void snd_m3_outw(struct snd_m3 *chip, u16 value, unsigned long reg) | 
|  | { | 
|  | outw(value, chip->iobase + reg); | 
|  | } | 
|  |  | 
|  | static inline u16 snd_m3_inw(struct snd_m3 *chip, unsigned long reg) | 
|  | { | 
|  | return inw(chip->iobase + reg); | 
|  | } | 
|  |  | 
|  | static inline void snd_m3_outb(struct snd_m3 *chip, u8 value, unsigned long reg) | 
|  | { | 
|  | outb(value, chip->iobase + reg); | 
|  | } | 
|  |  | 
|  | static inline u8 snd_m3_inb(struct snd_m3 *chip, unsigned long reg) | 
|  | { | 
|  | return inb(chip->iobase + reg); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * access 16bit words to the code or data regions of the dsp's memory. | 
|  | * index addresses 16bit words. | 
|  | */ | 
|  | static u16 snd_m3_assp_read(struct snd_m3 *chip, u16 region, u16 index) | 
|  | { | 
|  | snd_m3_outw(chip, region & MEMTYPE_MASK, DSP_PORT_MEMORY_TYPE); | 
|  | snd_m3_outw(chip, index, DSP_PORT_MEMORY_INDEX); | 
|  | return snd_m3_inw(chip, DSP_PORT_MEMORY_DATA); | 
|  | } | 
|  |  | 
|  | static void snd_m3_assp_write(struct snd_m3 *chip, u16 region, u16 index, u16 data) | 
|  | { | 
|  | snd_m3_outw(chip, region & MEMTYPE_MASK, DSP_PORT_MEMORY_TYPE); | 
|  | snd_m3_outw(chip, index, DSP_PORT_MEMORY_INDEX); | 
|  | snd_m3_outw(chip, data, DSP_PORT_MEMORY_DATA); | 
|  | } | 
|  |  | 
|  | static void snd_m3_assp_halt(struct snd_m3 *chip) | 
|  | { | 
|  | chip->reset_state = snd_m3_inb(chip, DSP_PORT_CONTROL_REG_B) & ~REGB_STOP_CLOCK; | 
|  | msleep(10); | 
|  | snd_m3_outb(chip, chip->reset_state & ~REGB_ENABLE_RESET, DSP_PORT_CONTROL_REG_B); | 
|  | } | 
|  |  | 
|  | static void snd_m3_assp_continue(struct snd_m3 *chip) | 
|  | { | 
|  | snd_m3_outb(chip, chip->reset_state | REGB_ENABLE_RESET, DSP_PORT_CONTROL_REG_B); | 
|  | } | 
|  |  | 
|  |  | 
|  | /* | 
|  | * This makes me sad. the maestro3 has lists | 
|  | * internally that must be packed.. 0 terminates, | 
|  | * apparently, or maybe all unused entries have | 
|  | * to be 0, the lists have static lengths set | 
|  | * by the binary code images. | 
|  | */ | 
|  |  | 
|  | static int snd_m3_add_list(struct snd_m3 *chip, struct m3_list *list, u16 val) | 
|  | { | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | list->mem_addr + list->curlen, | 
|  | val); | 
|  | return list->curlen++; | 
|  | } | 
|  |  | 
|  | static void snd_m3_remove_list(struct snd_m3 *chip, struct m3_list *list, int index) | 
|  | { | 
|  | u16  val; | 
|  | int lastindex = list->curlen - 1; | 
|  |  | 
|  | if (index != lastindex) { | 
|  | val = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA, | 
|  | list->mem_addr + lastindex); | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | list->mem_addr + index, | 
|  | val); | 
|  | } | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | list->mem_addr + lastindex, | 
|  | 0); | 
|  |  | 
|  | list->curlen--; | 
|  | } | 
|  |  | 
|  | static void snd_m3_inc_timer_users(struct snd_m3 *chip) | 
|  | { | 
|  | chip->timer_users++; | 
|  | if (chip->timer_users != 1) | 
|  | return; | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | KDATA_TIMER_COUNT_RELOAD, | 
|  | 240); | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | KDATA_TIMER_COUNT_CURRENT, | 
|  | 240); | 
|  |  | 
|  | snd_m3_outw(chip, | 
|  | snd_m3_inw(chip, HOST_INT_CTRL) | CLKRUN_GEN_ENABLE, | 
|  | HOST_INT_CTRL); | 
|  | } | 
|  |  | 
|  | static void snd_m3_dec_timer_users(struct snd_m3 *chip) | 
|  | { | 
|  | chip->timer_users--; | 
|  | if (chip->timer_users > 0) | 
|  | return; | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | KDATA_TIMER_COUNT_RELOAD, | 
|  | 0); | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | KDATA_TIMER_COUNT_CURRENT, | 
|  | 0); | 
|  |  | 
|  | snd_m3_outw(chip, | 
|  | snd_m3_inw(chip, HOST_INT_CTRL) & ~CLKRUN_GEN_ENABLE, | 
|  | HOST_INT_CTRL); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * start/stop | 
|  | */ | 
|  |  | 
|  | /* spinlock held! */ | 
|  | static int snd_m3_pcm_start(struct snd_m3 *chip, struct m3_dma *s, | 
|  | struct snd_pcm_substream *subs) | 
|  | { | 
|  | if (! s || ! subs) | 
|  | return -EINVAL; | 
|  |  | 
|  | snd_m3_inc_timer_users(chip); | 
|  | switch (subs->stream) { | 
|  | case SNDRV_PCM_STREAM_PLAYBACK: | 
|  | chip->dacs_active++; | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_INSTANCE_READY, 1); | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | KDATA_MIXER_TASK_NUMBER, | 
|  | chip->dacs_active); | 
|  | break; | 
|  | case SNDRV_PCM_STREAM_CAPTURE: | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | KDATA_ADC1_REQUEST, 1); | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_INSTANCE_READY, 1); | 
|  | break; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* spinlock held! */ | 
|  | static int snd_m3_pcm_stop(struct snd_m3 *chip, struct m3_dma *s, | 
|  | struct snd_pcm_substream *subs) | 
|  | { | 
|  | if (! s || ! subs) | 
|  | return -EINVAL; | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_INSTANCE_READY, 0); | 
|  | snd_m3_dec_timer_users(chip); | 
|  | switch (subs->stream) { | 
|  | case SNDRV_PCM_STREAM_PLAYBACK: | 
|  | chip->dacs_active--; | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | KDATA_MIXER_TASK_NUMBER, | 
|  | chip->dacs_active); | 
|  | break; | 
|  | case SNDRV_PCM_STREAM_CAPTURE: | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | KDATA_ADC1_REQUEST, 0); | 
|  | break; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int | 
|  | snd_m3_pcm_trigger(struct snd_pcm_substream *subs, int cmd) | 
|  | { | 
|  | struct snd_m3 *chip = snd_pcm_substream_chip(subs); | 
|  | struct m3_dma *s = subs->runtime->private_data; | 
|  | int err = -EINVAL; | 
|  |  | 
|  | snd_assert(s != NULL, return -ENXIO); | 
|  |  | 
|  | spin_lock(&chip->reg_lock); | 
|  | switch (cmd) { | 
|  | case SNDRV_PCM_TRIGGER_START: | 
|  | case SNDRV_PCM_TRIGGER_RESUME: | 
|  | if (s->running) | 
|  | err = -EBUSY; | 
|  | else { | 
|  | s->running = 1; | 
|  | err = snd_m3_pcm_start(chip, s, subs); | 
|  | } | 
|  | break; | 
|  | case SNDRV_PCM_TRIGGER_STOP: | 
|  | case SNDRV_PCM_TRIGGER_SUSPEND: | 
|  | if (! s->running) | 
|  | err = 0; /* should return error? */ | 
|  | else { | 
|  | s->running = 0; | 
|  | err = snd_m3_pcm_stop(chip, s, subs); | 
|  | } | 
|  | break; | 
|  | } | 
|  | spin_unlock(&chip->reg_lock); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * setup | 
|  | */ | 
|  | static void | 
|  | snd_m3_pcm_setup1(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs) | 
|  | { | 
|  | int dsp_in_size, dsp_out_size, dsp_in_buffer, dsp_out_buffer; | 
|  | struct snd_pcm_runtime *runtime = subs->runtime; | 
|  |  | 
|  | if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK) { | 
|  | dsp_in_size = MINISRC_IN_BUFFER_SIZE - (0x20 * 2); | 
|  | dsp_out_size = MINISRC_OUT_BUFFER_SIZE - (0x20 * 2); | 
|  | } else { | 
|  | dsp_in_size = MINISRC_IN_BUFFER_SIZE - (0x10 * 2); | 
|  | dsp_out_size = MINISRC_OUT_BUFFER_SIZE - (0x10 * 2); | 
|  | } | 
|  | dsp_in_buffer = s->inst.data + (MINISRC_TMP_BUFFER_SIZE / 2); | 
|  | dsp_out_buffer = dsp_in_buffer + (dsp_in_size / 2) + 1; | 
|  |  | 
|  | s->dma_size = frames_to_bytes(runtime, runtime->buffer_size); | 
|  | s->period_size = frames_to_bytes(runtime, runtime->period_size); | 
|  | s->hwptr = 0; | 
|  | s->count = 0; | 
|  |  | 
|  | #define LO(x) ((x) & 0xffff) | 
|  | #define HI(x) LO((x) >> 16) | 
|  |  | 
|  | /* host dma buffer pointers */ | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_HOST_SRC_ADDRL, | 
|  | LO(s->buffer_addr)); | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_HOST_SRC_ADDRH, | 
|  | HI(s->buffer_addr)); | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_HOST_SRC_END_PLUS_1L, | 
|  | LO(s->buffer_addr + s->dma_size)); | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_HOST_SRC_END_PLUS_1H, | 
|  | HI(s->buffer_addr + s->dma_size)); | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_HOST_SRC_CURRENTL, | 
|  | LO(s->buffer_addr)); | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_HOST_SRC_CURRENTH, | 
|  | HI(s->buffer_addr)); | 
|  | #undef LO | 
|  | #undef HI | 
|  |  | 
|  | /* dsp buffers */ | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_IN_BUF_BEGIN, | 
|  | dsp_in_buffer); | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_IN_BUF_END_PLUS_1, | 
|  | dsp_in_buffer + (dsp_in_size / 2)); | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_IN_BUF_HEAD, | 
|  | dsp_in_buffer); | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_IN_BUF_TAIL, | 
|  | dsp_in_buffer); | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_OUT_BUF_BEGIN, | 
|  | dsp_out_buffer); | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_OUT_BUF_END_PLUS_1, | 
|  | dsp_out_buffer + (dsp_out_size / 2)); | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_OUT_BUF_HEAD, | 
|  | dsp_out_buffer); | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_OUT_BUF_TAIL, | 
|  | dsp_out_buffer); | 
|  | } | 
|  |  | 
|  | static void snd_m3_pcm_setup2(struct snd_m3 *chip, struct m3_dma *s, | 
|  | struct snd_pcm_runtime *runtime) | 
|  | { | 
|  | u32 freq; | 
|  |  | 
|  | /* | 
|  | * put us in the lists if we're not already there | 
|  | */ | 
|  | if (! s->in_lists) { | 
|  | s->index[0] = snd_m3_add_list(chip, s->index_list[0], | 
|  | s->inst.data >> DP_SHIFT_COUNT); | 
|  | s->index[1] = snd_m3_add_list(chip, s->index_list[1], | 
|  | s->inst.data >> DP_SHIFT_COUNT); | 
|  | s->index[2] = snd_m3_add_list(chip, s->index_list[2], | 
|  | s->inst.data >> DP_SHIFT_COUNT); | 
|  | s->in_lists = 1; | 
|  | } | 
|  |  | 
|  | /* write to 'mono' word */ | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + SRC3_DIRECTION_OFFSET + 1, | 
|  | runtime->channels == 2 ? 0 : 1); | 
|  | /* write to '8bit' word */ | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + SRC3_DIRECTION_OFFSET + 2, | 
|  | snd_pcm_format_width(runtime->format) == 16 ? 0 : 1); | 
|  |  | 
|  | /* set up dac/adc rate */ | 
|  | freq = ((runtime->rate << 15) + 24000 ) / 48000; | 
|  | if (freq) | 
|  | freq--; | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_FREQUENCY, | 
|  | freq); | 
|  | } | 
|  |  | 
|  |  | 
|  | static const struct play_vals { | 
|  | u16 addr, val; | 
|  | } pv[] = { | 
|  | {CDATA_LEFT_VOLUME, ARB_VOLUME}, | 
|  | {CDATA_RIGHT_VOLUME, ARB_VOLUME}, | 
|  | {SRC3_DIRECTION_OFFSET, 0} , | 
|  | /* +1, +2 are stereo/16 bit */ | 
|  | {SRC3_DIRECTION_OFFSET + 3, 0x0000}, /* fraction? */ | 
|  | {SRC3_DIRECTION_OFFSET + 4, 0}, /* first l */ | 
|  | {SRC3_DIRECTION_OFFSET + 5, 0}, /* first r */ | 
|  | {SRC3_DIRECTION_OFFSET + 6, 0}, /* second l */ | 
|  | {SRC3_DIRECTION_OFFSET + 7, 0}, /* second r */ | 
|  | {SRC3_DIRECTION_OFFSET + 8, 0}, /* delta l */ | 
|  | {SRC3_DIRECTION_OFFSET + 9, 0}, /* delta r */ | 
|  | {SRC3_DIRECTION_OFFSET + 10, 0x8000}, /* round */ | 
|  | {SRC3_DIRECTION_OFFSET + 11, 0xFF00}, /* higher bute mark */ | 
|  | {SRC3_DIRECTION_OFFSET + 13, 0}, /* temp0 */ | 
|  | {SRC3_DIRECTION_OFFSET + 14, 0}, /* c fraction */ | 
|  | {SRC3_DIRECTION_OFFSET + 15, 0}, /* counter */ | 
|  | {SRC3_DIRECTION_OFFSET + 16, 8}, /* numin */ | 
|  | {SRC3_DIRECTION_OFFSET + 17, 50*2}, /* numout */ | 
|  | {SRC3_DIRECTION_OFFSET + 18, MINISRC_BIQUAD_STAGE - 1}, /* numstage */ | 
|  | {SRC3_DIRECTION_OFFSET + 20, 0}, /* filtertap */ | 
|  | {SRC3_DIRECTION_OFFSET + 21, 0} /* booster */ | 
|  | }; | 
|  |  | 
|  |  | 
|  | /* the mode passed should be already shifted and masked */ | 
|  | static void | 
|  | snd_m3_playback_setup(struct snd_m3 *chip, struct m3_dma *s, | 
|  | struct snd_pcm_substream *subs) | 
|  | { | 
|  | unsigned int i; | 
|  |  | 
|  | /* | 
|  | * some per client initializers | 
|  | */ | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + SRC3_DIRECTION_OFFSET + 12, | 
|  | s->inst.data + 40 + 8); | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + SRC3_DIRECTION_OFFSET + 19, | 
|  | s->inst.code + MINISRC_COEF_LOC); | 
|  |  | 
|  | /* enable or disable low pass filter? */ | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + SRC3_DIRECTION_OFFSET + 22, | 
|  | subs->runtime->rate > 45000 ? 0xff : 0); | 
|  |  | 
|  | /* tell it which way dma is going? */ | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_DMA_CONTROL, | 
|  | DMACONTROL_AUTOREPEAT + DMAC_PAGE3_SELECTOR + DMAC_BLOCKF_SELECTOR); | 
|  |  | 
|  | /* | 
|  | * set an armload of static initializers | 
|  | */ | 
|  | for (i = 0; i < ARRAY_SIZE(pv); i++) | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + pv[i].addr, pv[i].val); | 
|  | } | 
|  |  | 
|  | /* | 
|  | *    Native record driver | 
|  | */ | 
|  | static const struct rec_vals { | 
|  | u16 addr, val; | 
|  | } rv[] = { | 
|  | {CDATA_LEFT_VOLUME, ARB_VOLUME}, | 
|  | {CDATA_RIGHT_VOLUME, ARB_VOLUME}, | 
|  | {SRC3_DIRECTION_OFFSET, 1} , | 
|  | /* +1, +2 are stereo/16 bit */ | 
|  | {SRC3_DIRECTION_OFFSET + 3, 0x0000}, /* fraction? */ | 
|  | {SRC3_DIRECTION_OFFSET + 4, 0}, /* first l */ | 
|  | {SRC3_DIRECTION_OFFSET + 5, 0}, /* first r */ | 
|  | {SRC3_DIRECTION_OFFSET + 6, 0}, /* second l */ | 
|  | {SRC3_DIRECTION_OFFSET + 7, 0}, /* second r */ | 
|  | {SRC3_DIRECTION_OFFSET + 8, 0}, /* delta l */ | 
|  | {SRC3_DIRECTION_OFFSET + 9, 0}, /* delta r */ | 
|  | {SRC3_DIRECTION_OFFSET + 10, 0x8000}, /* round */ | 
|  | {SRC3_DIRECTION_OFFSET + 11, 0xFF00}, /* higher bute mark */ | 
|  | {SRC3_DIRECTION_OFFSET + 13, 0}, /* temp0 */ | 
|  | {SRC3_DIRECTION_OFFSET + 14, 0}, /* c fraction */ | 
|  | {SRC3_DIRECTION_OFFSET + 15, 0}, /* counter */ | 
|  | {SRC3_DIRECTION_OFFSET + 16, 50},/* numin */ | 
|  | {SRC3_DIRECTION_OFFSET + 17, 8}, /* numout */ | 
|  | {SRC3_DIRECTION_OFFSET + 18, 0}, /* numstage */ | 
|  | {SRC3_DIRECTION_OFFSET + 19, 0}, /* coef */ | 
|  | {SRC3_DIRECTION_OFFSET + 20, 0}, /* filtertap */ | 
|  | {SRC3_DIRECTION_OFFSET + 21, 0}, /* booster */ | 
|  | {SRC3_DIRECTION_OFFSET + 22, 0xff} /* skip lpf */ | 
|  | }; | 
|  |  | 
|  | static void | 
|  | snd_m3_capture_setup(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs) | 
|  | { | 
|  | unsigned int i; | 
|  |  | 
|  | /* | 
|  | * some per client initializers | 
|  | */ | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + SRC3_DIRECTION_OFFSET + 12, | 
|  | s->inst.data + 40 + 8); | 
|  |  | 
|  | /* tell it which way dma is going? */ | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_DMA_CONTROL, | 
|  | DMACONTROL_DIRECTION + DMACONTROL_AUTOREPEAT + | 
|  | DMAC_PAGE3_SELECTOR + DMAC_BLOCKF_SELECTOR); | 
|  |  | 
|  | /* | 
|  | * set an armload of static initializers | 
|  | */ | 
|  | for (i = 0; i < ARRAY_SIZE(rv); i++) | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + rv[i].addr, rv[i].val); | 
|  | } | 
|  |  | 
|  | static int snd_m3_pcm_hw_params(struct snd_pcm_substream *substream, | 
|  | struct snd_pcm_hw_params *hw_params) | 
|  | { | 
|  | struct m3_dma *s = substream->runtime->private_data; | 
|  | int err; | 
|  |  | 
|  | if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) | 
|  | return err; | 
|  | /* set buffer address */ | 
|  | s->buffer_addr = substream->runtime->dma_addr; | 
|  | if (s->buffer_addr & 0x3) { | 
|  | snd_printk(KERN_ERR "oh my, not aligned\n"); | 
|  | s->buffer_addr = s->buffer_addr & ~0x3; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_m3_pcm_hw_free(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct m3_dma *s; | 
|  |  | 
|  | if (substream->runtime->private_data == NULL) | 
|  | return 0; | 
|  | s = substream->runtime->private_data; | 
|  | snd_pcm_lib_free_pages(substream); | 
|  | s->buffer_addr = 0; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int | 
|  | snd_m3_pcm_prepare(struct snd_pcm_substream *subs) | 
|  | { | 
|  | struct snd_m3 *chip = snd_pcm_substream_chip(subs); | 
|  | struct snd_pcm_runtime *runtime = subs->runtime; | 
|  | struct m3_dma *s = runtime->private_data; | 
|  |  | 
|  | snd_assert(s != NULL, return -ENXIO); | 
|  |  | 
|  | if (runtime->format != SNDRV_PCM_FORMAT_U8 && | 
|  | runtime->format != SNDRV_PCM_FORMAT_S16_LE) | 
|  | return -EINVAL; | 
|  | if (runtime->rate > 48000 || | 
|  | runtime->rate < 8000) | 
|  | return -EINVAL; | 
|  |  | 
|  | spin_lock_irq(&chip->reg_lock); | 
|  |  | 
|  | snd_m3_pcm_setup1(chip, s, subs); | 
|  |  | 
|  | if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK) | 
|  | snd_m3_playback_setup(chip, s, subs); | 
|  | else | 
|  | snd_m3_capture_setup(chip, s, subs); | 
|  |  | 
|  | snd_m3_pcm_setup2(chip, s, runtime); | 
|  |  | 
|  | spin_unlock_irq(&chip->reg_lock); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * get current pointer | 
|  | */ | 
|  | static unsigned int | 
|  | snd_m3_get_pointer(struct snd_m3 *chip, struct m3_dma *s, struct snd_pcm_substream *subs) | 
|  | { | 
|  | u16 hi = 0, lo = 0; | 
|  | int retry = 10; | 
|  | u32 addr; | 
|  |  | 
|  | /* | 
|  | * try and get a valid answer | 
|  | */ | 
|  | while (retry--) { | 
|  | hi =  snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_HOST_SRC_CURRENTH); | 
|  |  | 
|  | lo = snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_HOST_SRC_CURRENTL); | 
|  |  | 
|  | if (hi == snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA, | 
|  | s->inst.data + CDATA_HOST_SRC_CURRENTH)) | 
|  | break; | 
|  | } | 
|  | addr = lo | ((u32)hi<<16); | 
|  | return (unsigned int)(addr - s->buffer_addr); | 
|  | } | 
|  |  | 
|  | static snd_pcm_uframes_t | 
|  | snd_m3_pcm_pointer(struct snd_pcm_substream *subs) | 
|  | { | 
|  | struct snd_m3 *chip = snd_pcm_substream_chip(subs); | 
|  | unsigned int ptr; | 
|  | struct m3_dma *s = subs->runtime->private_data; | 
|  | snd_assert(s != NULL, return 0); | 
|  |  | 
|  | spin_lock(&chip->reg_lock); | 
|  | ptr = snd_m3_get_pointer(chip, s, subs); | 
|  | spin_unlock(&chip->reg_lock); | 
|  | return bytes_to_frames(subs->runtime, ptr); | 
|  | } | 
|  |  | 
|  |  | 
|  | /* update pointer */ | 
|  | /* spinlock held! */ | 
|  | static void snd_m3_update_ptr(struct snd_m3 *chip, struct m3_dma *s) | 
|  | { | 
|  | struct snd_pcm_substream *subs = s->substream; | 
|  | unsigned int hwptr; | 
|  | int diff; | 
|  |  | 
|  | if (! s->running) | 
|  | return; | 
|  |  | 
|  | hwptr = snd_m3_get_pointer(chip, s, subs); | 
|  |  | 
|  | /* try to avoid expensive modulo divisions */ | 
|  | if (hwptr >= s->dma_size) | 
|  | hwptr %= s->dma_size; | 
|  |  | 
|  | diff = s->dma_size + hwptr - s->hwptr; | 
|  | if (diff >= s->dma_size) | 
|  | diff %= s->dma_size; | 
|  |  | 
|  | s->hwptr = hwptr; | 
|  | s->count += diff; | 
|  |  | 
|  | if (s->count >= (signed)s->period_size) { | 
|  |  | 
|  | if (s->count < 2 * (signed)s->period_size) | 
|  | s->count -= (signed)s->period_size; | 
|  | else | 
|  | s->count %= s->period_size; | 
|  |  | 
|  | spin_unlock(&chip->reg_lock); | 
|  | snd_pcm_period_elapsed(subs); | 
|  | spin_lock(&chip->reg_lock); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void snd_m3_update_hw_volume(unsigned long private_data) | 
|  | { | 
|  | struct snd_m3 *chip = (struct snd_m3 *) private_data; | 
|  | int x, val; | 
|  | unsigned long flags; | 
|  |  | 
|  | /* Figure out which volume control button was pushed, | 
|  | based on differences from the default register | 
|  | values. */ | 
|  | x = inb(chip->iobase + SHADOW_MIX_REG_VOICE) & 0xee; | 
|  |  | 
|  | /* Reset the volume control registers. */ | 
|  | outb(0x88, chip->iobase + SHADOW_MIX_REG_VOICE); | 
|  | outb(0x88, chip->iobase + HW_VOL_COUNTER_VOICE); | 
|  | outb(0x88, chip->iobase + SHADOW_MIX_REG_MASTER); | 
|  | outb(0x88, chip->iobase + HW_VOL_COUNTER_MASTER); | 
|  |  | 
|  | if (!chip->master_switch || !chip->master_volume) | 
|  | return; | 
|  |  | 
|  | /* FIXME: we can't call snd_ac97_* functions since here is in tasklet. */ | 
|  | spin_lock_irqsave(&chip->ac97_lock, flags); | 
|  |  | 
|  | val = chip->ac97->regs[AC97_MASTER_VOL]; | 
|  | switch (x) { | 
|  | case 0x88: | 
|  | /* mute */ | 
|  | val ^= 0x8000; | 
|  | chip->ac97->regs[AC97_MASTER_VOL] = val; | 
|  | outw(val, chip->iobase + CODEC_DATA); | 
|  | outb(AC97_MASTER_VOL, chip->iobase + CODEC_COMMAND); | 
|  | snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, | 
|  | &chip->master_switch->id); | 
|  | break; | 
|  | case 0xaa: | 
|  | /* volume up */ | 
|  | if ((val & 0x7f) > 0) | 
|  | val--; | 
|  | if ((val & 0x7f00) > 0) | 
|  | val -= 0x0100; | 
|  | chip->ac97->regs[AC97_MASTER_VOL] = val; | 
|  | outw(val, chip->iobase + CODEC_DATA); | 
|  | outb(AC97_MASTER_VOL, chip->iobase + CODEC_COMMAND); | 
|  | snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, | 
|  | &chip->master_volume->id); | 
|  | break; | 
|  | case 0x66: | 
|  | /* volume down */ | 
|  | if ((val & 0x7f) < 0x1f) | 
|  | val++; | 
|  | if ((val & 0x7f00) < 0x1f00) | 
|  | val += 0x0100; | 
|  | chip->ac97->regs[AC97_MASTER_VOL] = val; | 
|  | outw(val, chip->iobase + CODEC_DATA); | 
|  | outb(AC97_MASTER_VOL, chip->iobase + CODEC_COMMAND); | 
|  | snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, | 
|  | &chip->master_volume->id); | 
|  | break; | 
|  | } | 
|  | spin_unlock_irqrestore(&chip->ac97_lock, flags); | 
|  | } | 
|  |  | 
|  | static irqreturn_t | 
|  | snd_m3_interrupt(int irq, void *dev_id, struct pt_regs *regs) | 
|  | { | 
|  | struct snd_m3 *chip = dev_id; | 
|  | u8 status; | 
|  | int i; | 
|  |  | 
|  | status = inb(chip->iobase + HOST_INT_STATUS); | 
|  |  | 
|  | if (status == 0xff) | 
|  | return IRQ_NONE; | 
|  |  | 
|  | if (status & HV_INT_PENDING) | 
|  | tasklet_hi_schedule(&chip->hwvol_tq); | 
|  |  | 
|  | /* | 
|  | * ack an assp int if its running | 
|  | * and has an int pending | 
|  | */ | 
|  | if (status & ASSP_INT_PENDING) { | 
|  | u8 ctl = inb(chip->iobase + ASSP_CONTROL_B); | 
|  | if (!(ctl & STOP_ASSP_CLOCK)) { | 
|  | ctl = inb(chip->iobase + ASSP_HOST_INT_STATUS); | 
|  | if (ctl & DSP2HOST_REQ_TIMER) { | 
|  | outb(DSP2HOST_REQ_TIMER, chip->iobase + ASSP_HOST_INT_STATUS); | 
|  | /* update adc/dac info if it was a timer int */ | 
|  | spin_lock(&chip->reg_lock); | 
|  | for (i = 0; i < chip->num_substreams; i++) { | 
|  | struct m3_dma *s = &chip->substreams[i]; | 
|  | if (s->running) | 
|  | snd_m3_update_ptr(chip, s); | 
|  | } | 
|  | spin_unlock(&chip->reg_lock); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | #if 0 /* TODO: not supported yet */ | 
|  | if ((status & MPU401_INT_PENDING) && chip->rmidi) | 
|  | snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs); | 
|  | #endif | 
|  |  | 
|  | /* ack ints */ | 
|  | outb(status, chip->iobase + HOST_INT_STATUS); | 
|  |  | 
|  | return IRQ_HANDLED; | 
|  | } | 
|  |  | 
|  |  | 
|  | /* | 
|  | */ | 
|  |  | 
|  | static struct snd_pcm_hardware snd_m3_playback = | 
|  | { | 
|  | .info =			(SNDRV_PCM_INFO_MMAP | | 
|  | SNDRV_PCM_INFO_INTERLEAVED | | 
|  | SNDRV_PCM_INFO_MMAP_VALID | | 
|  | SNDRV_PCM_INFO_BLOCK_TRANSFER | | 
|  | /*SNDRV_PCM_INFO_PAUSE |*/ | 
|  | SNDRV_PCM_INFO_RESUME), | 
|  | .formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, | 
|  | .rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, | 
|  | .rate_min =		8000, | 
|  | .rate_max =		48000, | 
|  | .channels_min =		1, | 
|  | .channels_max =		2, | 
|  | .buffer_bytes_max =	(512*1024), | 
|  | .period_bytes_min =	64, | 
|  | .period_bytes_max =	(512*1024), | 
|  | .periods_min =		1, | 
|  | .periods_max =		1024, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_hardware snd_m3_capture = | 
|  | { | 
|  | .info =			(SNDRV_PCM_INFO_MMAP | | 
|  | SNDRV_PCM_INFO_INTERLEAVED | | 
|  | SNDRV_PCM_INFO_MMAP_VALID | | 
|  | SNDRV_PCM_INFO_BLOCK_TRANSFER | | 
|  | /*SNDRV_PCM_INFO_PAUSE |*/ | 
|  | SNDRV_PCM_INFO_RESUME), | 
|  | .formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, | 
|  | .rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, | 
|  | .rate_min =		8000, | 
|  | .rate_max =		48000, | 
|  | .channels_min =		1, | 
|  | .channels_max =		2, | 
|  | .buffer_bytes_max =	(512*1024), | 
|  | .period_bytes_min =	64, | 
|  | .period_bytes_max =	(512*1024), | 
|  | .periods_min =		1, | 
|  | .periods_max =		1024, | 
|  | }; | 
|  |  | 
|  |  | 
|  | /* | 
|  | */ | 
|  |  | 
|  | static int | 
|  | snd_m3_substream_open(struct snd_m3 *chip, struct snd_pcm_substream *subs) | 
|  | { | 
|  | int i; | 
|  | struct m3_dma *s; | 
|  |  | 
|  | spin_lock_irq(&chip->reg_lock); | 
|  | for (i = 0; i < chip->num_substreams; i++) { | 
|  | s = &chip->substreams[i]; | 
|  | if (! s->opened) | 
|  | goto __found; | 
|  | } | 
|  | spin_unlock_irq(&chip->reg_lock); | 
|  | return -ENOMEM; | 
|  | __found: | 
|  | s->opened = 1; | 
|  | s->running = 0; | 
|  | spin_unlock_irq(&chip->reg_lock); | 
|  |  | 
|  | subs->runtime->private_data = s; | 
|  | s->substream = subs; | 
|  |  | 
|  | /* set list owners */ | 
|  | if (subs->stream == SNDRV_PCM_STREAM_PLAYBACK) { | 
|  | s->index_list[0] = &chip->mixer_list; | 
|  | } else | 
|  | s->index_list[0] = &chip->adc1_list; | 
|  | s->index_list[1] = &chip->msrc_list; | 
|  | s->index_list[2] = &chip->dma_list; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void | 
|  | snd_m3_substream_close(struct snd_m3 *chip, struct snd_pcm_substream *subs) | 
|  | { | 
|  | struct m3_dma *s = subs->runtime->private_data; | 
|  |  | 
|  | if (s == NULL) | 
|  | return; /* not opened properly */ | 
|  |  | 
|  | spin_lock_irq(&chip->reg_lock); | 
|  | if (s->substream && s->running) | 
|  | snd_m3_pcm_stop(chip, s, s->substream); /* does this happen? */ | 
|  | if (s->in_lists) { | 
|  | snd_m3_remove_list(chip, s->index_list[0], s->index[0]); | 
|  | snd_m3_remove_list(chip, s->index_list[1], s->index[1]); | 
|  | snd_m3_remove_list(chip, s->index_list[2], s->index[2]); | 
|  | s->in_lists = 0; | 
|  | } | 
|  | s->running = 0; | 
|  | s->opened = 0; | 
|  | spin_unlock_irq(&chip->reg_lock); | 
|  | } | 
|  |  | 
|  | static int | 
|  | snd_m3_playback_open(struct snd_pcm_substream *subs) | 
|  | { | 
|  | struct snd_m3 *chip = snd_pcm_substream_chip(subs); | 
|  | struct snd_pcm_runtime *runtime = subs->runtime; | 
|  | int err; | 
|  |  | 
|  | if ((err = snd_m3_substream_open(chip, subs)) < 0) | 
|  | return err; | 
|  |  | 
|  | runtime->hw = snd_m3_playback; | 
|  | snd_pcm_set_sync(subs); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int | 
|  | snd_m3_playback_close(struct snd_pcm_substream *subs) | 
|  | { | 
|  | struct snd_m3 *chip = snd_pcm_substream_chip(subs); | 
|  |  | 
|  | snd_m3_substream_close(chip, subs); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int | 
|  | snd_m3_capture_open(struct snd_pcm_substream *subs) | 
|  | { | 
|  | struct snd_m3 *chip = snd_pcm_substream_chip(subs); | 
|  | struct snd_pcm_runtime *runtime = subs->runtime; | 
|  | int err; | 
|  |  | 
|  | if ((err = snd_m3_substream_open(chip, subs)) < 0) | 
|  | return err; | 
|  |  | 
|  | runtime->hw = snd_m3_capture; | 
|  | snd_pcm_set_sync(subs); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int | 
|  | snd_m3_capture_close(struct snd_pcm_substream *subs) | 
|  | { | 
|  | struct snd_m3 *chip = snd_pcm_substream_chip(subs); | 
|  |  | 
|  | snd_m3_substream_close(chip, subs); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * create pcm instance | 
|  | */ | 
|  |  | 
|  | static struct snd_pcm_ops snd_m3_playback_ops = { | 
|  | .open =		snd_m3_playback_open, | 
|  | .close =	snd_m3_playback_close, | 
|  | .ioctl =	snd_pcm_lib_ioctl, | 
|  | .hw_params =	snd_m3_pcm_hw_params, | 
|  | .hw_free =	snd_m3_pcm_hw_free, | 
|  | .prepare =	snd_m3_pcm_prepare, | 
|  | .trigger =	snd_m3_pcm_trigger, | 
|  | .pointer =	snd_m3_pcm_pointer, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_ops snd_m3_capture_ops = { | 
|  | .open =		snd_m3_capture_open, | 
|  | .close =	snd_m3_capture_close, | 
|  | .ioctl =	snd_pcm_lib_ioctl, | 
|  | .hw_params =	snd_m3_pcm_hw_params, | 
|  | .hw_free =	snd_m3_pcm_hw_free, | 
|  | .prepare =	snd_m3_pcm_prepare, | 
|  | .trigger =	snd_m3_pcm_trigger, | 
|  | .pointer =	snd_m3_pcm_pointer, | 
|  | }; | 
|  |  | 
|  | static int __devinit | 
|  | snd_m3_pcm(struct snd_m3 * chip, int device) | 
|  | { | 
|  | struct snd_pcm *pcm; | 
|  | int err; | 
|  |  | 
|  | err = snd_pcm_new(chip->card, chip->card->driver, device, | 
|  | MAX_PLAYBACKS, MAX_CAPTURES, &pcm); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_m3_playback_ops); | 
|  | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_m3_capture_ops); | 
|  |  | 
|  | pcm->private_data = chip; | 
|  | pcm->info_flags = 0; | 
|  | strcpy(pcm->name, chip->card->driver); | 
|  | chip->pcm = pcm; | 
|  |  | 
|  | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, | 
|  | snd_dma_pci_data(chip->pci), 64*1024, 64*1024); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  |  | 
|  | /* | 
|  | * ac97 interface | 
|  | */ | 
|  |  | 
|  | /* | 
|  | * Wait for the ac97 serial bus to be free. | 
|  | * return nonzero if the bus is still busy. | 
|  | */ | 
|  | static int snd_m3_ac97_wait(struct snd_m3 *chip) | 
|  | { | 
|  | int i = 10000; | 
|  |  | 
|  | do { | 
|  | if (! (snd_m3_inb(chip, 0x30) & 1)) | 
|  | return 0; | 
|  | cpu_relax(); | 
|  | } while (i-- > 0); | 
|  |  | 
|  | snd_printk(KERN_ERR "ac97 serial bus busy\n"); | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | static unsigned short | 
|  | snd_m3_ac97_read(struct snd_ac97 *ac97, unsigned short reg) | 
|  | { | 
|  | struct snd_m3 *chip = ac97->private_data; | 
|  | unsigned long flags; | 
|  | unsigned short data = 0xffff; | 
|  |  | 
|  | if (snd_m3_ac97_wait(chip)) | 
|  | goto fail; | 
|  | spin_lock_irqsave(&chip->ac97_lock, flags); | 
|  | snd_m3_outb(chip, 0x80 | (reg & 0x7f), CODEC_COMMAND); | 
|  | if (snd_m3_ac97_wait(chip)) | 
|  | goto fail_unlock; | 
|  | data = snd_m3_inw(chip, CODEC_DATA); | 
|  | fail_unlock: | 
|  | spin_unlock_irqrestore(&chip->ac97_lock, flags); | 
|  | fail: | 
|  | return data; | 
|  | } | 
|  |  | 
|  | static void | 
|  | snd_m3_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val) | 
|  | { | 
|  | struct snd_m3 *chip = ac97->private_data; | 
|  | unsigned long flags; | 
|  |  | 
|  | if (snd_m3_ac97_wait(chip)) | 
|  | return; | 
|  | spin_lock_irqsave(&chip->ac97_lock, flags); | 
|  | snd_m3_outw(chip, val, CODEC_DATA); | 
|  | snd_m3_outb(chip, reg & 0x7f, CODEC_COMMAND); | 
|  | spin_unlock_irqrestore(&chip->ac97_lock, flags); | 
|  | } | 
|  |  | 
|  |  | 
|  | static void snd_m3_remote_codec_config(int io, int isremote) | 
|  | { | 
|  | isremote = isremote ? 1 : 0; | 
|  |  | 
|  | outw((inw(io + RING_BUS_CTRL_B) & ~SECOND_CODEC_ID_MASK) | isremote, | 
|  | io + RING_BUS_CTRL_B); | 
|  | outw((inw(io + SDO_OUT_DEST_CTRL) & ~COMMAND_ADDR_OUT) | isremote, | 
|  | io + SDO_OUT_DEST_CTRL); | 
|  | outw((inw(io + SDO_IN_DEST_CTRL) & ~STATUS_ADDR_IN) | isremote, | 
|  | io + SDO_IN_DEST_CTRL); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * hack, returns non zero on err | 
|  | */ | 
|  | static int snd_m3_try_read_vendor(struct snd_m3 *chip) | 
|  | { | 
|  | u16 ret; | 
|  |  | 
|  | if (snd_m3_ac97_wait(chip)) | 
|  | return 1; | 
|  |  | 
|  | snd_m3_outb(chip, 0x80 | (AC97_VENDOR_ID1 & 0x7f), 0x30); | 
|  |  | 
|  | if (snd_m3_ac97_wait(chip)) | 
|  | return 1; | 
|  |  | 
|  | ret = snd_m3_inw(chip, 0x32); | 
|  |  | 
|  | return (ret == 0) || (ret == 0xffff); | 
|  | } | 
|  |  | 
|  | static void snd_m3_ac97_reset(struct snd_m3 *chip) | 
|  | { | 
|  | u16 dir; | 
|  | int delay1 = 0, delay2 = 0, i; | 
|  | int io = chip->iobase; | 
|  |  | 
|  | if (chip->allegro_flag) { | 
|  | /* | 
|  | * the onboard codec on the allegro seems | 
|  | * to want to wait a very long time before | 
|  | * coming back to life | 
|  | */ | 
|  | delay1 = 50; | 
|  | delay2 = 800; | 
|  | } else { | 
|  | /* maestro3 */ | 
|  | delay1 = 20; | 
|  | delay2 = 500; | 
|  | } | 
|  |  | 
|  | for (i = 0; i < 5; i++) { | 
|  | dir = inw(io + GPIO_DIRECTION); | 
|  | if (! chip->quirk || ! chip->quirk->irda_workaround) | 
|  | dir |= 0x10; /* assuming pci bus master? */ | 
|  |  | 
|  | snd_m3_remote_codec_config(io, 0); | 
|  |  | 
|  | outw(IO_SRAM_ENABLE, io + RING_BUS_CTRL_A); | 
|  | udelay(20); | 
|  |  | 
|  | outw(dir & ~GPO_PRIMARY_AC97 , io + GPIO_DIRECTION); | 
|  | outw(~GPO_PRIMARY_AC97 , io + GPIO_MASK); | 
|  | outw(0, io + GPIO_DATA); | 
|  | outw(dir | GPO_PRIMARY_AC97, io + GPIO_DIRECTION); | 
|  |  | 
|  | schedule_timeout_uninterruptible(msecs_to_jiffies(delay1)); | 
|  |  | 
|  | outw(GPO_PRIMARY_AC97, io + GPIO_DATA); | 
|  | udelay(5); | 
|  | /* ok, bring back the ac-link */ | 
|  | outw(IO_SRAM_ENABLE | SERIAL_AC_LINK_ENABLE, io + RING_BUS_CTRL_A); | 
|  | outw(~0, io + GPIO_MASK); | 
|  |  | 
|  | schedule_timeout_uninterruptible(msecs_to_jiffies(delay2)); | 
|  |  | 
|  | if (! snd_m3_try_read_vendor(chip)) | 
|  | break; | 
|  |  | 
|  | delay1 += 10; | 
|  | delay2 += 100; | 
|  |  | 
|  | snd_printd("maestro3: retrying codec reset with delays of %d and %d ms\n", | 
|  | delay1, delay2); | 
|  | } | 
|  |  | 
|  | #if 0 | 
|  | /* more gung-ho reset that doesn't | 
|  | * seem to work anywhere :) | 
|  | */ | 
|  | tmp = inw(io + RING_BUS_CTRL_A); | 
|  | outw(RAC_SDFS_ENABLE|LAC_SDFS_ENABLE, io + RING_BUS_CTRL_A); | 
|  | msleep(20); | 
|  | outw(tmp, io + RING_BUS_CTRL_A); | 
|  | msleep(50); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | static int __devinit snd_m3_mixer(struct snd_m3 *chip) | 
|  | { | 
|  | struct snd_ac97_bus *pbus; | 
|  | struct snd_ac97_template ac97; | 
|  | struct snd_ctl_elem_id id; | 
|  | int err; | 
|  | static struct snd_ac97_bus_ops ops = { | 
|  | .write = snd_m3_ac97_write, | 
|  | .read = snd_m3_ac97_read, | 
|  | }; | 
|  |  | 
|  | if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0) | 
|  | return err; | 
|  |  | 
|  | memset(&ac97, 0, sizeof(ac97)); | 
|  | ac97.private_data = chip; | 
|  | if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0) | 
|  | return err; | 
|  |  | 
|  | /* seems ac97 PCM needs initialization.. hack hack.. */ | 
|  | snd_ac97_write(chip->ac97, AC97_PCM, 0x8000 | (15 << 8) | 15); | 
|  | schedule_timeout_uninterruptible(msecs_to_jiffies(100)); | 
|  | snd_ac97_write(chip->ac97, AC97_PCM, 0); | 
|  |  | 
|  | memset(&id, 0, sizeof(id)); | 
|  | id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | 
|  | strcpy(id.name, "Master Playback Switch"); | 
|  | chip->master_switch = snd_ctl_find_id(chip->card, &id); | 
|  | memset(&id, 0, sizeof(id)); | 
|  | id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | 
|  | strcpy(id.name, "Master Playback Volume"); | 
|  | chip->master_volume = snd_ctl_find_id(chip->card, &id); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  |  | 
|  | /* | 
|  | * DSP Code images | 
|  | */ | 
|  |  | 
|  | static const u16 assp_kernel_image[] = { | 
|  | 0x7980, 0x0030, 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x00FB, 0x7980, 0x00DD, 0x7980, 0x03B4, | 
|  | 0x7980, 0x0332, 0x7980, 0x0287, 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x03B4, | 
|  | 0x7980, 0x031A, 0x7980, 0x03B4, 0x7980, 0x022F, 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x03B4, | 
|  | 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x0063, 0x7980, 0x006B, 0x7980, 0x03B4, 0x7980, 0x03B4, | 
|  | 0xBF80, 0x2C7C, 0x8806, 0x8804, 0xBE40, 0xBC20, 0xAE09, 0x1000, 0xAE0A, 0x0001, 0x6938, 0xEB08, | 
|  | 0x0053, 0x695A, 0xEB08, 0x00D6, 0x0009, 0x8B88, 0x6980, 0xE388, 0x0036, 0xBE30, 0xBC20, 0x6909, | 
|  | 0xB801, 0x9009, 0xBE41, 0xBE41, 0x6928, 0xEB88, 0x0078, 0xBE41, 0xBE40, 0x7980, 0x0038, 0xBE41, | 
|  | 0xBE41, 0x903A, 0x6938, 0xE308, 0x0056, 0x903A, 0xBE41, 0xBE40, 0xEF00, 0x903A, 0x6939, 0xE308, | 
|  | 0x005E, 0x903A, 0xEF00, 0x690B, 0x660C, 0xEF8C, 0x690A, 0x660C, 0x620B, 0x6609, 0xEF00, 0x6910, | 
|  | 0x660F, 0xEF04, 0xE388, 0x0075, 0x690E, 0x660F, 0x6210, 0x660D, 0xEF00, 0x690E, 0x660D, 0xEF00, | 
|  | 0xAE70, 0x0001, 0xBC20, 0xAE27, 0x0001, 0x6939, 0xEB08, 0x005D, 0x6926, 0xB801, 0x9026, 0x0026, | 
|  | 0x8B88, 0x6980, 0xE388, 0x00CB, 0x9028, 0x0D28, 0x4211, 0xE100, 0x007A, 0x4711, 0xE100, 0x00A0, | 
|  | 0x7A80, 0x0063, 0xB811, 0x660A, 0x6209, 0xE304, 0x007A, 0x0C0B, 0x4005, 0x100A, 0xBA01, 0x9012, | 
|  | 0x0C12, 0x4002, 0x7980, 0x00AF, 0x7A80, 0x006B, 0xBE02, 0x620E, 0x660D, 0xBA10, 0xE344, 0x007A, | 
|  | 0x0C10, 0x4005, 0x100E, 0xBA01, 0x9012, 0x0C12, 0x4002, 0x1003, 0xBA02, 0x9012, 0x0C12, 0x4000, | 
|  | 0x1003, 0xE388, 0x00BA, 0x1004, 0x7980, 0x00BC, 0x1004, 0xBA01, 0x9012, 0x0C12, 0x4001, 0x0C05, | 
|  | 0x4003, 0x0C06, 0x4004, 0x1011, 0xBFB0, 0x01FF, 0x9012, 0x0C12, 0x4006, 0xBC20, 0xEF00, 0xAE26, | 
|  | 0x1028, 0x6970, 0xBFD0, 0x0001, 0x9070, 0xE388, 0x007A, 0xAE28, 0x0000, 0xEF00, 0xAE70, 0x0300, | 
|  | 0x0C70, 0xB00C, 0xAE5A, 0x0000, 0xEF00, 0x7A80, 0x038A, 0x697F, 0xB801, 0x907F, 0x0056, 0x8B88, | 
|  | 0x0CA0, 0xB008, 0xAF71, 0xB000, 0x4E71, 0xE200, 0x00F3, 0xAE56, 0x1057, 0x0056, 0x0CA0, 0xB008, | 
|  | 0x8056, 0x7980, 0x03A1, 0x0810, 0xBFA0, 0x1059, 0xE304, 0x03A1, 0x8056, 0x7980, 0x03A1, 0x7A80, | 
|  | 0x038A, 0xBF01, 0xBE43, 0xBE59, 0x907C, 0x6937, 0xE388, 0x010D, 0xBA01, 0xE308, 0x010C, 0xAE71, | 
|  | 0x0004, 0x0C71, 0x5000, 0x6936, 0x9037, 0xBF0A, 0x109E, 0x8B8A, 0xAF80, 0x8014, 0x4C80, 0xBF0A, | 
|  | 0x0560, 0xF500, 0xBF0A, 0x0520, 0xB900, 0xBB17, 0x90A0, 0x6917, 0xE388, 0x0148, 0x0D17, 0xE100, | 
|  | 0x0127, 0xBF0C, 0x0578, 0xBF0D, 0x057C, 0x7980, 0x012B, 0xBF0C, 0x0538, 0xBF0D, 0x053C, 0x6900, | 
|  | 0xE308, 0x0135, 0x8B8C, 0xBE59, 0xBB07, 0x90A0, 0xBC20, 0x7980, 0x0157, 0x030C, 0x8B8B, 0xB903, | 
|  | 0x8809, 0xBEC6, 0x013E, 0x69AC, 0x90AB, 0x69AD, 0x90AB, 0x0813, 0x660A, 0xE344, 0x0144, 0x0309, | 
|  | 0x830C, 0xBC20, 0x7980, 0x0157, 0x6955, 0xE388, 0x0157, 0x7C38, 0xBF0B, 0x0578, 0xF500, 0xBF0B, | 
|  | 0x0538, 0xB907, 0x8809, 0xBEC6, 0x0156, 0x10AB, 0x90AA, 0x6974, 0xE388, 0x0163, 0xAE72, 0x0540, | 
|  | 0xF500, 0xAE72, 0x0500, 0xAE61, 0x103B, 0x7A80, 0x02F6, 0x6978, 0xE388, 0x0182, 0x8B8C, 0xBF0C, | 
|  | 0x0560, 0xE500, 0x7C40, 0x0814, 0xBA20, 0x8812, 0x733D, 0x7A80, 0x0380, 0x733E, 0x7A80, 0x0380, | 
|  | 0x8B8C, 0xBF0C, 0x056C, 0xE500, 0x7C40, 0x0814, 0xBA2C, 0x8812, 0x733F, 0x7A80, 0x0380, 0x7340, | 
|  | 0x7A80, 0x0380, 0x6975, 0xE388, 0x018E, 0xAE72, 0x0548, 0xF500, 0xAE72, 0x0508, 0xAE61, 0x1041, | 
|  | 0x7A80, 0x02F6, 0x6979, 0xE388, 0x01AD, 0x8B8C, 0xBF0C, 0x0560, 0xE500, 0x7C40, 0x0814, 0xBA18, | 
|  | 0x8812, 0x7343, 0x7A80, 0x0380, 0x7344, 0x7A80, 0x0380, 0x8B8C, 0xBF0C, 0x056C, 0xE500, 0x7C40, | 
|  | 0x0814, 0xBA24, 0x8812, 0x7345, 0x7A80, 0x0380, 0x7346, 0x7A80, 0x0380, 0x6976, 0xE388, 0x01B9, | 
|  | 0xAE72, 0x0558, 0xF500, 0xAE72, 0x0518, 0xAE61, 0x1047, 0x7A80, 0x02F6, 0x697A, 0xE388, 0x01D8, | 
|  | 0x8B8C, 0xBF0C, 0x0560, 0xE500, 0x7C40, 0x0814, 0xBA08, 0x8812, 0x7349, 0x7A80, 0x0380, 0x734A, | 
|  | 0x7A80, 0x0380, 0x8B8C, 0xBF0C, 0x056C, 0xE500, 0x7C40, 0x0814, 0xBA14, 0x8812, 0x734B, 0x7A80, | 
|  | 0x0380, 0x734C, 0x7A80, 0x0380, 0xBC21, 0xAE1C, 0x1090, 0x8B8A, 0xBF0A, 0x0560, 0xE500, 0x7C40, | 
|  | 0x0812, 0xB804, 0x8813, 0x8B8D, 0xBF0D, 0x056C, 0xE500, 0x7C40, 0x0815, 0xB804, 0x8811, 0x7A80, | 
|  | 0x034A, 0x8B8A, 0xBF0A, 0x0560, 0xE500, 0x7C40, 0x731F, 0xB903, 0x8809, 0xBEC6, 0x01F9, 0x548A, | 
|  | 0xBE03, 0x98A0, 0x7320, 0xB903, 0x8809, 0xBEC6, 0x0201, 0x548A, 0xBE03, 0x98A0, 0x1F20, 0x2F1F, | 
|  | 0x9826, 0xBC20, 0x6935, 0xE388, 0x03A1, 0x6933, 0xB801, 0x9033, 0xBFA0, 0x02EE, 0xE308, 0x03A1, | 
|  | 0x9033, 0xBF00, 0x6951, 0xE388, 0x021F, 0x7334, 0xBE80, 0x5760, 0xBE03, 0x9F7E, 0xBE59, 0x9034, | 
|  | 0x697E, 0x0D51, 0x9013, 0xBC20, 0x695C, 0xE388, 0x03A1, 0x735E, 0xBE80, 0x5760, 0xBE03, 0x9F7E, | 
|  | 0xBE59, 0x905E, 0x697E, 0x0D5C, 0x9013, 0x7980, 0x03A1, 0x7A80, 0x038A, 0xBF01, 0xBE43, 0x6977, | 
|  | 0xE388, 0x024E, 0xAE61, 0x104D, 0x0061, 0x8B88, 0x6980, 0xE388, 0x024E, 0x9071, 0x0D71, 0x000B, | 
|  | 0xAFA0, 0x8010, 0xAFA0, 0x8010, 0x0810, 0x660A, 0xE308, 0x0249, 0x0009, 0x0810, 0x660C, 0xE388, | 
|  | 0x024E, 0x800B, 0xBC20, 0x697B, 0xE388, 0x03A1, 0xBF0A, 0x109E, 0x8B8A, 0xAF80, 0x8014, 0x4C80, | 
|  | 0xE100, 0x0266, 0x697C, 0xBF90, 0x0560, 0x9072, 0x0372, 0x697C, 0xBF90, 0x0564, 0x9073, 0x0473, | 
|  | 0x7980, 0x0270, 0x697C, 0xBF90, 0x0520, 0x9072, 0x0372, 0x697C, 0xBF90, 0x0524, 0x9073, 0x0473, | 
|  | 0x697C, 0xB801, 0x907C, 0xBF0A, 0x10FD, 0x8B8A, 0xAF80, 0x8010, 0x734F, 0x548A, 0xBE03, 0x9880, | 
|  | 0xBC21, 0x7326, 0x548B, 0xBE03, 0x618B, 0x988C, 0xBE03, 0x6180, 0x9880, 0x7980, 0x03A1, 0x7A80, | 
|  | 0x038A, 0x0D28, 0x4711, 0xE100, 0x02BE, 0xAF12, 0x4006, 0x6912, 0xBFB0, 0x0C00, 0xE388, 0x02B6, | 
|  | 0xBFA0, 0x0800, 0xE388, 0x02B2, 0x6912, 0xBFB0, 0x0C00, 0xBFA0, 0x0400, 0xE388, 0x02A3, 0x6909, | 
|  | 0x900B, 0x7980, 0x02A5, 0xAF0B, 0x4005, 0x6901, 0x9005, 0x6902, 0x9006, 0x4311, 0xE100, 0x02ED, | 
|  | 0x6911, 0xBFC0, 0x2000, 0x9011, 0x7980, 0x02ED, 0x6909, 0x900B, 0x7980, 0x02B8, 0xAF0B, 0x4005, | 
|  | 0xAF05, 0x4003, 0xAF06, 0x4004, 0x7980, 0x02ED, 0xAF12, 0x4006, 0x6912, 0xBFB0, 0x0C00, 0xE388, | 
|  | 0x02E7, 0xBFA0, 0x0800, 0xE388, 0x02E3, 0x6912, 0xBFB0, 0x0C00, 0xBFA0, 0x0400, 0xE388, 0x02D4, | 
|  | 0x690D, 0x9010, 0x7980, 0x02D6, 0xAF10, 0x4005, 0x6901, 0x9005, 0x6902, 0x9006, 0x4311, 0xE100, | 
|  | 0x02ED, 0x6911, 0xBFC0, 0x2000, 0x9011, 0x7980, 0x02ED, 0x690D, 0x9010, 0x7980, 0x02E9, 0xAF10, | 
|  | 0x4005, 0xAF05, 0x4003, 0xAF06, 0x4004, 0xBC20, 0x6970, 0x9071, 0x7A80, 0x0078, 0x6971, 0x9070, | 
|  | 0x7980, 0x03A1, 0xBC20, 0x0361, 0x8B8B, 0x6980, 0xEF88, 0x0272, 0x0372, 0x7804, 0x9071, 0x0D71, | 
|  | 0x8B8A, 0x000B, 0xB903, 0x8809, 0xBEC6, 0x0309, 0x69A8, 0x90AB, 0x69A8, 0x90AA, 0x0810, 0x660A, | 
|  | 0xE344, 0x030F, 0x0009, 0x0810, 0x660C, 0xE388, 0x0314, 0x800B, 0xBC20, 0x6961, 0xB801, 0x9061, | 
|  | 0x7980, 0x02F7, 0x7A80, 0x038A, 0x5D35, 0x0001, 0x6934, 0xB801, 0x9034, 0xBF0A, 0x109E, 0x8B8A, | 
|  | 0xAF80, 0x8014, 0x4880, 0xAE72, 0x0550, 0xF500, 0xAE72, 0x0510, 0xAE61, 0x1051, 0x7A80, 0x02F6, | 
|  | 0x7980, 0x03A1, 0x7A80, 0x038A, 0x5D35, 0x0002, 0x695E, 0xB801, 0x905E, 0xBF0A, 0x109E, 0x8B8A, | 
|  | 0xAF80, 0x8014, 0x4780, 0xAE72, 0x0558, 0xF500, 0xAE72, 0x0518, 0xAE61, 0x105C, 0x7A80, 0x02F6, | 
|  | 0x7980, 0x03A1, 0x001C, 0x8B88, 0x6980, 0xEF88, 0x901D, 0x0D1D, 0x100F, 0x6610, 0xE38C, 0x0358, | 
|  | 0x690E, 0x6610, 0x620F, 0x660D, 0xBA0F, 0xE301, 0x037A, 0x0410, 0x8B8A, 0xB903, 0x8809, 0xBEC6, | 
|  | 0x036C, 0x6A8C, 0x61AA, 0x98AB, 0x6A8C, 0x61AB, 0x98AD, 0x6A8C, 0x61AD, 0x98A9, 0x6A8C, 0x61A9, | 
|  | 0x98AA, 0x7C04, 0x8B8B, 0x7C04, 0x8B8D, 0x7C04, 0x8B89, 0x7C04, 0x0814, 0x660E, 0xE308, 0x0379, | 
|  | 0x040D, 0x8410, 0xBC21, 0x691C, 0xB801, 0x901C, 0x7980, 0x034A, 0xB903, 0x8809, 0x8B8A, 0xBEC6, | 
|  | 0x0388, 0x54AC, 0xBE03, 0x618C, 0x98AA, 0xEF00, 0xBC20, 0xBE46, 0x0809, 0x906B, 0x080A, 0x906C, | 
|  | 0x080B, 0x906D, 0x081A, 0x9062, 0x081B, 0x9063, 0x081E, 0x9064, 0xBE59, 0x881E, 0x8065, 0x8166, | 
|  | 0x8267, 0x8368, 0x8469, 0x856A, 0xEF00, 0xBC20, 0x696B, 0x8809, 0x696C, 0x880A, 0x696D, 0x880B, | 
|  | 0x6962, 0x881A, 0x6963, 0x881B, 0x6964, 0x881E, 0x0065, 0x0166, 0x0267, 0x0368, 0x0469, 0x056A, | 
|  | 0xBE3A, | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * Mini sample rate converter code image | 
|  | * that is to be loaded at 0x400 on the DSP. | 
|  | */ | 
|  | static const u16 assp_minisrc_image[] = { | 
|  |  | 
|  | 0xBF80, 0x101E, 0x906E, 0x006E, 0x8B88, 0x6980, 0xEF88, 0x906F, 0x0D6F, 0x6900, 0xEB08, 0x0412, | 
|  | 0xBC20, 0x696E, 0xB801, 0x906E, 0x7980, 0x0403, 0xB90E, 0x8807, 0xBE43, 0xBF01, 0xBE47, 0xBE41, | 
|  | 0x7A80, 0x002A, 0xBE40, 0x3029, 0xEFCC, 0xBE41, 0x7A80, 0x0028, 0xBE40, 0x3028, 0xEFCC, 0x6907, | 
|  | 0xE308, 0x042A, 0x6909, 0x902C, 0x7980, 0x042C, 0x690D, 0x902C, 0x1009, 0x881A, 0x100A, 0xBA01, | 
|  | 0x881B, 0x100D, 0x881C, 0x100E, 0xBA01, 0x881D, 0xBF80, 0x00ED, 0x881E, 0x050C, 0x0124, 0xB904, | 
|  | 0x9027, 0x6918, 0xE308, 0x04B3, 0x902D, 0x6913, 0xBFA0, 0x7598, 0xF704, 0xAE2D, 0x00FF, 0x8B8D, | 
|  | 0x6919, 0xE308, 0x0463, 0x691A, 0xE308, 0x0456, 0xB907, 0x8809, 0xBEC6, 0x0453, 0x10A9, 0x90AD, | 
|  | 0x7980, 0x047C, 0xB903, 0x8809, 0xBEC6, 0x0460, 0x1889, 0x6C22, 0x90AD, 0x10A9, 0x6E23, 0x6C22, | 
|  | 0x90AD, 0x7980, 0x047C, 0x101A, 0xE308, 0x046F, 0xB903, 0x8809, 0xBEC6, 0x046C, 0x10A9, 0x90A0, | 
|  | 0x90AD, 0x7980, 0x047C, 0xB901, 0x8809, 0xBEC6, 0x047B, 0x1889, 0x6C22, 0x90A0, 0x90AD, 0x10A9, | 
|  | 0x6E23, 0x6C22, 0x90A0, 0x90AD, 0x692D, 0xE308, 0x049C, 0x0124, 0xB703, 0xB902, 0x8818, 0x8B89, | 
|  | 0x022C, 0x108A, 0x7C04, 0x90A0, 0x692B, 0x881F, 0x7E80, 0x055B, 0x692A, 0x8809, 0x8B89, 0x99A0, | 
|  | 0x108A, 0x90A0, 0x692B, 0x881F, 0x7E80, 0x055B, 0x692A, 0x8809, 0x8B89, 0x99AF, 0x7B99, 0x0484, | 
|  | 0x0124, 0x060F, 0x101B, 0x2013, 0x901B, 0xBFA0, 0x7FFF, 0xE344, 0x04AC, 0x901B, 0x8B89, 0x7A80, | 
|  | 0x051A, 0x6927, 0xBA01, 0x9027, 0x7A80, 0x0523, 0x6927, 0xE308, 0x049E, 0x7980, 0x050F, 0x0624, | 
|  | 0x1026, 0x2013, 0x9026, 0xBFA0, 0x7FFF, 0xE304, 0x04C0, 0x8B8D, 0x7A80, 0x051A, 0x7980, 0x04B4, | 
|  | 0x9026, 0x1013, 0x3026, 0x901B, 0x8B8D, 0x7A80, 0x051A, 0x7A80, 0x0523, 0x1027, 0xBA01, 0x9027, | 
|  | 0xE308, 0x04B4, 0x0124, 0x060F, 0x8B89, 0x691A, 0xE308, 0x04EA, 0x6919, 0xE388, 0x04E0, 0xB903, | 
|  | 0x8809, 0xBEC6, 0x04DD, 0x1FA0, 0x2FAE, 0x98A9, 0x7980, 0x050F, 0xB901, 0x8818, 0xB907, 0x8809, | 
|  | 0xBEC6, 0x04E7, 0x10EE, 0x90A9, 0x7980, 0x050F, 0x6919, 0xE308, 0x04FE, 0xB903, 0x8809, 0xBE46, | 
|  | 0xBEC6, 0x04FA, 0x17A0, 0xBE1E, 0x1FAE, 0xBFBF, 0xFF00, 0xBE13, 0xBFDF, 0x8080, 0x99A9, 0xBE47, | 
|  | 0x7980, 0x050F, 0xB901, 0x8809, 0xBEC6, 0x050E, 0x16A0, 0x26A0, 0xBFB7, 0xFF00, 0xBE1E, 0x1EA0, | 
|  | 0x2EAE, 0xBFBF, 0xFF00, 0xBE13, 0xBFDF, 0x8080, 0x99A9, 0x850C, 0x860F, 0x6907, 0xE388, 0x0516, | 
|  | 0x0D07, 0x8510, 0xBE59, 0x881E, 0xBE4A, 0xEF00, 0x101E, 0x901C, 0x101F, 0x901D, 0x10A0, 0x901E, | 
|  | 0x10A0, 0x901F, 0xEF00, 0x101E, 0x301C, 0x9020, 0x731B, 0x5420, 0xBE03, 0x9825, 0x1025, 0x201C, | 
|  | 0x9025, 0x7325, 0x5414, 0xBE03, 0x8B8E, 0x9880, 0x692F, 0xE388, 0x0539, 0xBE59, 0xBB07, 0x6180, | 
|  | 0x9880, 0x8BA0, 0x101F, 0x301D, 0x9021, 0x731B, 0x5421, 0xBE03, 0x982E, 0x102E, 0x201D, 0x902E, | 
|  | 0x732E, 0x5415, 0xBE03, 0x9880, 0x692F, 0xE388, 0x054F, 0xBE59, 0xBB07, 0x6180, 0x9880, 0x8BA0, | 
|  | 0x6918, 0xEF08, 0x7325, 0x5416, 0xBE03, 0x98A0, 0x732E, 0x5417, 0xBE03, 0x98A0, 0xEF00, 0x8BA0, | 
|  | 0xBEC6, 0x056B, 0xBE59, 0xBB04, 0xAA90, 0xBE04, 0xBE1E, 0x99E0, 0x8BE0, 0x69A0, 0x90D0, 0x69A0, | 
|  | 0x90D0, 0x081F, 0xB805, 0x881F, 0x8B90, 0x69A0, 0x90D0, 0x69A0, 0x9090, 0x8BD0, 0x8BD8, 0xBE1F, | 
|  | 0xEF00, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | 
|  | 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | 
|  | }; | 
|  |  | 
|  |  | 
|  | /* | 
|  | * initialize ASSP | 
|  | */ | 
|  |  | 
|  | #define MINISRC_LPF_LEN 10 | 
|  | static const u16 minisrc_lpf[MINISRC_LPF_LEN] = { | 
|  | 0X0743, 0X1104, 0X0A4C, 0XF88D, 0X242C, | 
|  | 0X1023, 0X1AA9, 0X0B60, 0XEFDD, 0X186F | 
|  | }; | 
|  |  | 
|  | static void snd_m3_assp_init(struct snd_m3 *chip) | 
|  | { | 
|  | unsigned int i; | 
|  |  | 
|  | /* zero kernel data */ | 
|  | for (i = 0; i < (REV_B_DATA_MEMORY_UNIT_LENGTH * NUM_UNITS_KERNEL_DATA) / 2; i++) | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | KDATA_BASE_ADDR + i, 0); | 
|  |  | 
|  | /* zero mixer data? */ | 
|  | for (i = 0; i < (REV_B_DATA_MEMORY_UNIT_LENGTH * NUM_UNITS_KERNEL_DATA) / 2; i++) | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | KDATA_BASE_ADDR2 + i, 0); | 
|  |  | 
|  | /* init dma pointer */ | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | KDATA_CURRENT_DMA, | 
|  | KDATA_DMA_XFER0); | 
|  |  | 
|  | /* write kernel into code memory.. */ | 
|  | for (i = 0 ; i < ARRAY_SIZE(assp_kernel_image); i++) { | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, | 
|  | REV_B_CODE_MEMORY_BEGIN + i, | 
|  | assp_kernel_image[i]); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * We only have this one client and we know that 0x400 | 
|  | * is free in our kernel's mem map, so lets just | 
|  | * drop it there.  It seems that the minisrc doesn't | 
|  | * need vectors, so we won't bother with them.. | 
|  | */ | 
|  | for (i = 0; i < ARRAY_SIZE(assp_minisrc_image); i++) { | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, | 
|  | 0x400 + i, | 
|  | assp_minisrc_image[i]); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * write the coefficients for the low pass filter? | 
|  | */ | 
|  | for (i = 0; i < MINISRC_LPF_LEN ; i++) { | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, | 
|  | 0x400 + MINISRC_COEF_LOC + i, | 
|  | minisrc_lpf[i]); | 
|  | } | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, | 
|  | 0x400 + MINISRC_COEF_LOC + MINISRC_LPF_LEN, | 
|  | 0x8000); | 
|  |  | 
|  | /* | 
|  | * the minisrc is the only thing on | 
|  | * our task list.. | 
|  | */ | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | KDATA_TASK0, | 
|  | 0x400); | 
|  |  | 
|  | /* | 
|  | * init the mixer number.. | 
|  | */ | 
|  |  | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | KDATA_MIXER_TASK_NUMBER,0); | 
|  |  | 
|  | /* | 
|  | * EXTREME KERNEL MASTER VOLUME | 
|  | */ | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | KDATA_DAC_LEFT_VOLUME, ARB_VOLUME); | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | KDATA_DAC_RIGHT_VOLUME, ARB_VOLUME); | 
|  |  | 
|  | chip->mixer_list.curlen = 0; | 
|  | chip->mixer_list.mem_addr = KDATA_MIXER_XFER0; | 
|  | chip->mixer_list.max = MAX_VIRTUAL_MIXER_CHANNELS; | 
|  | chip->adc1_list.curlen = 0; | 
|  | chip->adc1_list.mem_addr = KDATA_ADC1_XFER0; | 
|  | chip->adc1_list.max = MAX_VIRTUAL_ADC1_CHANNELS; | 
|  | chip->dma_list.curlen = 0; | 
|  | chip->dma_list.mem_addr = KDATA_DMA_XFER0; | 
|  | chip->dma_list.max = MAX_VIRTUAL_DMA_CHANNELS; | 
|  | chip->msrc_list.curlen = 0; | 
|  | chip->msrc_list.mem_addr = KDATA_INSTANCE0_MINISRC; | 
|  | chip->msrc_list.max = MAX_INSTANCE_MINISRC; | 
|  | } | 
|  |  | 
|  |  | 
|  | static int __devinit snd_m3_assp_client_init(struct snd_m3 *chip, struct m3_dma *s, int index) | 
|  | { | 
|  | int data_bytes = 2 * ( MINISRC_TMP_BUFFER_SIZE / 2 + | 
|  | MINISRC_IN_BUFFER_SIZE / 2 + | 
|  | 1 + MINISRC_OUT_BUFFER_SIZE / 2 + 1 ); | 
|  | int address, i; | 
|  |  | 
|  | /* | 
|  | * the revb memory map has 0x1100 through 0x1c00 | 
|  | * free. | 
|  | */ | 
|  |  | 
|  | /* | 
|  | * align instance address to 256 bytes so that its | 
|  | * shifted list address is aligned. | 
|  | * list address = (mem address >> 1) >> 7; | 
|  | */ | 
|  | data_bytes = (data_bytes + 255) & ~255; | 
|  | address = 0x1100 + ((data_bytes/2) * index); | 
|  |  | 
|  | if ((address + (data_bytes/2)) >= 0x1c00) { | 
|  | snd_printk(KERN_ERR "no memory for %d bytes at ind %d (addr 0x%x)\n", | 
|  | data_bytes, index, address); | 
|  | return -ENOMEM; | 
|  | } | 
|  |  | 
|  | s->number = index; | 
|  | s->inst.code = 0x400; | 
|  | s->inst.data = address; | 
|  |  | 
|  | for (i = data_bytes / 2; i > 0; address++, i--) { | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | address, 0); | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  |  | 
|  | /* | 
|  | * this works for the reference board, have to find | 
|  | * out about others | 
|  | * | 
|  | * this needs more magic for 4 speaker, but.. | 
|  | */ | 
|  | static void | 
|  | snd_m3_amp_enable(struct snd_m3 *chip, int enable) | 
|  | { | 
|  | int io = chip->iobase; | 
|  | u16 gpo, polarity; | 
|  |  | 
|  | if (! chip->external_amp) | 
|  | return; | 
|  |  | 
|  | polarity = enable ? 0 : 1; | 
|  | polarity = polarity << chip->amp_gpio; | 
|  | gpo = 1 << chip->amp_gpio; | 
|  |  | 
|  | outw(~gpo, io + GPIO_MASK); | 
|  |  | 
|  | outw(inw(io + GPIO_DIRECTION) | gpo, | 
|  | io + GPIO_DIRECTION); | 
|  |  | 
|  | outw((GPO_SECONDARY_AC97 | GPO_PRIMARY_AC97 | polarity), | 
|  | io + GPIO_DATA); | 
|  |  | 
|  | outw(0xffff, io + GPIO_MASK); | 
|  | } | 
|  |  | 
|  | static int | 
|  | snd_m3_chip_init(struct snd_m3 *chip) | 
|  | { | 
|  | struct pci_dev *pcidev = chip->pci; | 
|  | unsigned long io = chip->iobase; | 
|  | u32 n; | 
|  | u16 w; | 
|  | u8 t; /* makes as much sense as 'n', no? */ | 
|  |  | 
|  | pci_read_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, &w); | 
|  | w &= ~(SOUND_BLASTER_ENABLE|FM_SYNTHESIS_ENABLE| | 
|  | MPU401_IO_ENABLE|MPU401_IRQ_ENABLE|ALIAS_10BIT_IO| | 
|  | DISABLE_LEGACY); | 
|  | pci_write_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, w); | 
|  |  | 
|  | if (chip->hv_quirk && chip->hv_quirk->is_omnibook) { | 
|  | /* | 
|  | * Volume buttons on some HP OmniBook laptops don't work | 
|  | * correctly. This makes them work for the most part. | 
|  | * | 
|  | * Volume up and down buttons on the laptop side work. | 
|  | * Fn+cursor_up (volme up) works. | 
|  | * Fn+cursor_down (volume down) doesn't work. | 
|  | * Fn+F7 (mute) works acts as volume up. | 
|  | */ | 
|  | outw(~(GPI_VOL_DOWN|GPI_VOL_UP), io + GPIO_MASK); | 
|  | outw(inw(io + GPIO_DIRECTION) & ~(GPI_VOL_DOWN|GPI_VOL_UP), io + GPIO_DIRECTION); | 
|  | outw((GPI_VOL_DOWN|GPI_VOL_UP), io + GPIO_DATA); | 
|  | outw(0xffff, io + GPIO_MASK); | 
|  | } | 
|  | pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n); | 
|  | n &= ~(HV_CTRL_ENABLE | REDUCED_DEBOUNCE | HV_BUTTON_FROM_GD); | 
|  | if (chip->hv_quirk) | 
|  | n |= chip->hv_quirk->config; | 
|  | /* For some reason we must always use reduced debounce. */ | 
|  | n |= REDUCED_DEBOUNCE; | 
|  | n |= PM_CTRL_ENABLE | CLK_DIV_BY_49 | USE_PCI_TIMING; | 
|  | pci_write_config_dword(pcidev, PCI_ALLEGRO_CONFIG, n); | 
|  |  | 
|  | outb(RESET_ASSP, chip->iobase + ASSP_CONTROL_B); | 
|  | pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n); | 
|  | n &= ~INT_CLK_SELECT; | 
|  | if (!chip->allegro_flag) { | 
|  | n &= ~INT_CLK_MULT_ENABLE; | 
|  | n |= INT_CLK_SRC_NOT_PCI; | 
|  | } | 
|  | n &=  ~( CLK_MULT_MODE_SELECT | CLK_MULT_MODE_SELECT_2 ); | 
|  | pci_write_config_dword(pcidev, PCI_ALLEGRO_CONFIG, n); | 
|  |  | 
|  | if (chip->allegro_flag) { | 
|  | pci_read_config_dword(pcidev, PCI_USER_CONFIG, &n); | 
|  | n |= IN_CLK_12MHZ_SELECT; | 
|  | pci_write_config_dword(pcidev, PCI_USER_CONFIG, n); | 
|  | } | 
|  |  | 
|  | t = inb(chip->iobase + ASSP_CONTROL_A); | 
|  | t &= ~( DSP_CLK_36MHZ_SELECT  | ASSP_CLK_49MHZ_SELECT); | 
|  | t |= ASSP_CLK_49MHZ_SELECT; | 
|  | t |= ASSP_0_WS_ENABLE; | 
|  | outb(t, chip->iobase + ASSP_CONTROL_A); | 
|  |  | 
|  | snd_m3_assp_init(chip); /* download DSP code before starting ASSP below */ | 
|  | outb(RUN_ASSP, chip->iobase + ASSP_CONTROL_B); | 
|  |  | 
|  | outb(0x00, io + HARDWARE_VOL_CTRL); | 
|  | outb(0x88, io + SHADOW_MIX_REG_VOICE); | 
|  | outb(0x88, io + HW_VOL_COUNTER_VOICE); | 
|  | outb(0x88, io + SHADOW_MIX_REG_MASTER); | 
|  | outb(0x88, io + HW_VOL_COUNTER_MASTER); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void | 
|  | snd_m3_enable_ints(struct snd_m3 *chip) | 
|  | { | 
|  | unsigned long io = chip->iobase; | 
|  | unsigned short val; | 
|  |  | 
|  | /* TODO: MPU401 not supported yet */ | 
|  | val = ASSP_INT_ENABLE /*| MPU401_INT_ENABLE*/; | 
|  | if (chip->hv_quirk && (chip->hv_quirk->config & HV_CTRL_ENABLE)) | 
|  | val |= HV_INT_ENABLE; | 
|  | outw(val, io + HOST_INT_CTRL); | 
|  | outb(inb(io + ASSP_CONTROL_C) | ASSP_HOST_INT_ENABLE, | 
|  | io + ASSP_CONTROL_C); | 
|  | } | 
|  |  | 
|  |  | 
|  | /* | 
|  | */ | 
|  |  | 
|  | static int snd_m3_free(struct snd_m3 *chip) | 
|  | { | 
|  | struct m3_dma *s; | 
|  | int i; | 
|  |  | 
|  | if (chip->substreams) { | 
|  | spin_lock_irq(&chip->reg_lock); | 
|  | for (i = 0; i < chip->num_substreams; i++) { | 
|  | s = &chip->substreams[i]; | 
|  | /* check surviving pcms; this should not happen though.. */ | 
|  | if (s->substream && s->running) | 
|  | snd_m3_pcm_stop(chip, s, s->substream); | 
|  | } | 
|  | spin_unlock_irq(&chip->reg_lock); | 
|  | kfree(chip->substreams); | 
|  | } | 
|  | if (chip->iobase) { | 
|  | outw(0, chip->iobase + HOST_INT_CTRL); /* disable ints */ | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_PM | 
|  | vfree(chip->suspend_mem); | 
|  | #endif | 
|  |  | 
|  | if (chip->irq >= 0) { | 
|  | synchronize_irq(chip->irq); | 
|  | free_irq(chip->irq, chip); | 
|  | } | 
|  |  | 
|  | if (chip->iobase) | 
|  | pci_release_regions(chip->pci); | 
|  |  | 
|  | pci_disable_device(chip->pci); | 
|  | kfree(chip); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  |  | 
|  | /* | 
|  | * APM support | 
|  | */ | 
|  | #ifdef CONFIG_PM | 
|  | static int m3_suspend(struct pci_dev *pci, pm_message_t state) | 
|  | { | 
|  | struct snd_card *card = pci_get_drvdata(pci); | 
|  | struct snd_m3 *chip = card->private_data; | 
|  | int i, index; | 
|  |  | 
|  | if (chip->suspend_mem == NULL) | 
|  | return 0; | 
|  |  | 
|  | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); | 
|  | snd_pcm_suspend_all(chip->pcm); | 
|  | snd_ac97_suspend(chip->ac97); | 
|  |  | 
|  | msleep(10); /* give the assp a chance to idle.. */ | 
|  |  | 
|  | snd_m3_assp_halt(chip); | 
|  |  | 
|  | /* save dsp image */ | 
|  | index = 0; | 
|  | for (i = REV_B_CODE_MEMORY_BEGIN; i <= REV_B_CODE_MEMORY_END; i++) | 
|  | chip->suspend_mem[index++] = | 
|  | snd_m3_assp_read(chip, MEMTYPE_INTERNAL_CODE, i); | 
|  | for (i = REV_B_DATA_MEMORY_BEGIN ; i <= REV_B_DATA_MEMORY_END; i++) | 
|  | chip->suspend_mem[index++] = | 
|  | snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA, i); | 
|  |  | 
|  | /* power down apci registers */ | 
|  | snd_m3_outw(chip, 0xffff, 0x54); | 
|  | snd_m3_outw(chip, 0xffff, 0x56); | 
|  |  | 
|  | pci_disable_device(pci); | 
|  | pci_save_state(pci); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int m3_resume(struct pci_dev *pci) | 
|  | { | 
|  | struct snd_card *card = pci_get_drvdata(pci); | 
|  | struct snd_m3 *chip = card->private_data; | 
|  | int i, index; | 
|  |  | 
|  | if (chip->suspend_mem == NULL) | 
|  | return 0; | 
|  |  | 
|  | pci_restore_state(pci); | 
|  | pci_enable_device(pci); | 
|  | pci_set_master(pci); | 
|  |  | 
|  | /* first lets just bring everything back. .*/ | 
|  | snd_m3_outw(chip, 0, 0x54); | 
|  | snd_m3_outw(chip, 0, 0x56); | 
|  |  | 
|  | snd_m3_chip_init(chip); | 
|  | snd_m3_assp_halt(chip); | 
|  | snd_m3_ac97_reset(chip); | 
|  |  | 
|  | /* restore dsp image */ | 
|  | index = 0; | 
|  | for (i = REV_B_CODE_MEMORY_BEGIN; i <= REV_B_CODE_MEMORY_END; i++) | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, i, | 
|  | chip->suspend_mem[index++]); | 
|  | for (i = REV_B_DATA_MEMORY_BEGIN ; i <= REV_B_DATA_MEMORY_END; i++) | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, i, | 
|  | chip->suspend_mem[index++]); | 
|  |  | 
|  | /* tell the dma engine to restart itself */ | 
|  | snd_m3_assp_write(chip, MEMTYPE_INTERNAL_DATA, | 
|  | KDATA_DMA_ACTIVE, 0); | 
|  |  | 
|  | /* restore ac97 registers */ | 
|  | snd_ac97_resume(chip->ac97); | 
|  |  | 
|  | snd_m3_assp_continue(chip); | 
|  | snd_m3_enable_ints(chip); | 
|  | snd_m3_amp_enable(chip, 1); | 
|  |  | 
|  | snd_power_change_state(card, SNDRV_CTL_POWER_D0); | 
|  | return 0; | 
|  | } | 
|  | #endif /* CONFIG_PM */ | 
|  |  | 
|  |  | 
|  | /* | 
|  | */ | 
|  |  | 
|  | static int snd_m3_dev_free(struct snd_device *device) | 
|  | { | 
|  | struct snd_m3 *chip = device->device_data; | 
|  | return snd_m3_free(chip); | 
|  | } | 
|  |  | 
|  | static int __devinit | 
|  | snd_m3_create(struct snd_card *card, struct pci_dev *pci, | 
|  | int enable_amp, | 
|  | int amp_gpio, | 
|  | struct snd_m3 **chip_ret) | 
|  | { | 
|  | struct snd_m3 *chip; | 
|  | int i, err; | 
|  | const struct m3_quirk *quirk; | 
|  | const struct m3_hv_quirk *hv_quirk; | 
|  | static struct snd_device_ops ops = { | 
|  | .dev_free =	snd_m3_dev_free, | 
|  | }; | 
|  |  | 
|  | *chip_ret = NULL; | 
|  |  | 
|  | if (pci_enable_device(pci)) | 
|  | return -EIO; | 
|  |  | 
|  | /* check, if we can restrict PCI DMA transfers to 28 bits */ | 
|  | if (pci_set_dma_mask(pci, DMA_28BIT_MASK) < 0 || | 
|  | pci_set_consistent_dma_mask(pci, DMA_28BIT_MASK) < 0) { | 
|  | snd_printk(KERN_ERR "architecture does not support 28bit PCI busmaster DMA\n"); | 
|  | pci_disable_device(pci); | 
|  | return -ENXIO; | 
|  | } | 
|  |  | 
|  | chip = kzalloc(sizeof(*chip), GFP_KERNEL); | 
|  | if (chip == NULL) { | 
|  | pci_disable_device(pci); | 
|  | return -ENOMEM; | 
|  | } | 
|  |  | 
|  | spin_lock_init(&chip->reg_lock); | 
|  | spin_lock_init(&chip->ac97_lock); | 
|  |  | 
|  | switch (pci->device) { | 
|  | case PCI_DEVICE_ID_ESS_ALLEGRO: | 
|  | case PCI_DEVICE_ID_ESS_ALLEGRO_1: | 
|  | case PCI_DEVICE_ID_ESS_CANYON3D_2LE: | 
|  | case PCI_DEVICE_ID_ESS_CANYON3D_2: | 
|  | chip->allegro_flag = 1; | 
|  | break; | 
|  | } | 
|  |  | 
|  | chip->card = card; | 
|  | chip->pci = pci; | 
|  | chip->irq = -1; | 
|  |  | 
|  | for (quirk = m3_quirk_list; quirk->vendor; quirk++) { | 
|  | if (pci->subsystem_vendor == quirk->vendor && | 
|  | pci->subsystem_device == quirk->device) { | 
|  | printk(KERN_INFO "maestro3: enabled hack for '%s'\n", quirk->name); | 
|  | chip->quirk = quirk; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | for (hv_quirk = m3_hv_quirk_list; hv_quirk->vendor; hv_quirk++) { | 
|  | if (pci->vendor == hv_quirk->vendor && | 
|  | pci->device == hv_quirk->device && | 
|  | pci->subsystem_vendor == hv_quirk->subsystem_vendor && | 
|  | pci->subsystem_device == hv_quirk->subsystem_device) { | 
|  | chip->hv_quirk = hv_quirk; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | chip->external_amp = enable_amp; | 
|  | if (amp_gpio >= 0 && amp_gpio <= 0x0f) | 
|  | chip->amp_gpio = amp_gpio; | 
|  | else if (chip->quirk && chip->quirk->amp_gpio >= 0) | 
|  | chip->amp_gpio = chip->quirk->amp_gpio; | 
|  | else if (chip->allegro_flag) | 
|  | chip->amp_gpio = GPO_EXT_AMP_ALLEGRO; | 
|  | else /* presumably this is for all 'maestro3's.. */ | 
|  | chip->amp_gpio = GPO_EXT_AMP_M3; | 
|  |  | 
|  | chip->num_substreams = NR_DSPS; | 
|  | chip->substreams = kcalloc(chip->num_substreams, sizeof(struct m3_dma), | 
|  | GFP_KERNEL); | 
|  | if (chip->substreams == NULL) { | 
|  | kfree(chip); | 
|  | pci_disable_device(pci); | 
|  | return -ENOMEM; | 
|  | } | 
|  |  | 
|  | if ((err = pci_request_regions(pci, card->driver)) < 0) { | 
|  | snd_m3_free(chip); | 
|  | return err; | 
|  | } | 
|  | chip->iobase = pci_resource_start(pci, 0); | 
|  |  | 
|  | /* just to be sure */ | 
|  | pci_set_master(pci); | 
|  |  | 
|  | snd_m3_chip_init(chip); | 
|  | snd_m3_assp_halt(chip); | 
|  |  | 
|  | snd_m3_ac97_reset(chip); | 
|  |  | 
|  | snd_m3_amp_enable(chip, 1); | 
|  |  | 
|  | tasklet_init(&chip->hwvol_tq, snd_m3_update_hw_volume, (unsigned long)chip); | 
|  |  | 
|  | if (request_irq(pci->irq, snd_m3_interrupt, IRQF_DISABLED|IRQF_SHARED, | 
|  | card->driver, chip)) { | 
|  | snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); | 
|  | snd_m3_free(chip); | 
|  | return -ENOMEM; | 
|  | } | 
|  | chip->irq = pci->irq; | 
|  |  | 
|  | #ifdef CONFIG_PM | 
|  | chip->suspend_mem = vmalloc(sizeof(u16) * (REV_B_CODE_MEMORY_LENGTH + REV_B_DATA_MEMORY_LENGTH)); | 
|  | if (chip->suspend_mem == NULL) | 
|  | snd_printk(KERN_WARNING "can't allocate apm buffer\n"); | 
|  | #endif | 
|  |  | 
|  | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { | 
|  | snd_m3_free(chip); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | if ((err = snd_m3_mixer(chip)) < 0) | 
|  | return err; | 
|  |  | 
|  | for (i = 0; i < chip->num_substreams; i++) { | 
|  | struct m3_dma *s = &chip->substreams[i]; | 
|  | if ((err = snd_m3_assp_client_init(chip, s, i)) < 0) | 
|  | return err; | 
|  | } | 
|  |  | 
|  | if ((err = snd_m3_pcm(chip, 0)) < 0) | 
|  | return err; | 
|  |  | 
|  | snd_m3_enable_ints(chip); | 
|  | snd_m3_assp_continue(chip); | 
|  |  | 
|  | snd_card_set_dev(card, &pci->dev); | 
|  |  | 
|  | *chip_ret = chip; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | */ | 
|  | static int __devinit | 
|  | snd_m3_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) | 
|  | { | 
|  | static int dev; | 
|  | struct snd_card *card; | 
|  | struct snd_m3 *chip; | 
|  | int err; | 
|  |  | 
|  | /* don't pick up modems */ | 
|  | if (((pci->class >> 8) & 0xffff) != PCI_CLASS_MULTIMEDIA_AUDIO) | 
|  | return -ENODEV; | 
|  |  | 
|  | if (dev >= SNDRV_CARDS) | 
|  | return -ENODEV; | 
|  | if (!enable[dev]) { | 
|  | dev++; | 
|  | return -ENOENT; | 
|  | } | 
|  |  | 
|  | card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); | 
|  | if (card == NULL) | 
|  | return -ENOMEM; | 
|  |  | 
|  | switch (pci->device) { | 
|  | case PCI_DEVICE_ID_ESS_ALLEGRO: | 
|  | case PCI_DEVICE_ID_ESS_ALLEGRO_1: | 
|  | strcpy(card->driver, "Allegro"); | 
|  | break; | 
|  | case PCI_DEVICE_ID_ESS_CANYON3D_2LE: | 
|  | case PCI_DEVICE_ID_ESS_CANYON3D_2: | 
|  | strcpy(card->driver, "Canyon3D-2"); | 
|  | break; | 
|  | default: | 
|  | strcpy(card->driver, "Maestro3"); | 
|  | break; | 
|  | } | 
|  |  | 
|  | if ((err = snd_m3_create(card, pci, | 
|  | external_amp[dev], | 
|  | amp_gpio[dev], | 
|  | &chip)) < 0) { | 
|  | snd_card_free(card); | 
|  | return err; | 
|  | } | 
|  | card->private_data = chip; | 
|  |  | 
|  | sprintf(card->shortname, "ESS %s PCI", card->driver); | 
|  | sprintf(card->longname, "%s at 0x%lx, irq %d", | 
|  | card->shortname, chip->iobase, chip->irq); | 
|  |  | 
|  | if ((err = snd_card_register(card)) < 0) { | 
|  | snd_card_free(card); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | #if 0 /* TODO: not supported yet */ | 
|  | /* TODO enable MIDI IRQ and I/O */ | 
|  | err = snd_mpu401_uart_new(chip->card, 0, MPU401_HW_MPU401, | 
|  | chip->iobase + MPU401_DATA_PORT, | 
|  | MPU401_INFO_INTEGRATED, | 
|  | chip->irq, 0, &chip->rmidi); | 
|  | if (err < 0) | 
|  | printk(KERN_WARNING "maestro3: no MIDI support.\n"); | 
|  | #endif | 
|  |  | 
|  | pci_set_drvdata(pci, card); | 
|  | dev++; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void __devexit snd_m3_remove(struct pci_dev *pci) | 
|  | { | 
|  | snd_card_free(pci_get_drvdata(pci)); | 
|  | pci_set_drvdata(pci, NULL); | 
|  | } | 
|  |  | 
|  | static struct pci_driver driver = { | 
|  | .name = "Maestro3", | 
|  | .id_table = snd_m3_ids, | 
|  | .probe = snd_m3_probe, | 
|  | .remove = __devexit_p(snd_m3_remove), | 
|  | #ifdef CONFIG_PM | 
|  | .suspend = m3_suspend, | 
|  | .resume = m3_resume, | 
|  | #endif | 
|  | }; | 
|  |  | 
|  | static int __init alsa_card_m3_init(void) | 
|  | { | 
|  | return pci_register_driver(&driver); | 
|  | } | 
|  |  | 
|  | static void __exit alsa_card_m3_exit(void) | 
|  | { | 
|  | pci_unregister_driver(&driver); | 
|  | } | 
|  |  | 
|  | module_init(alsa_card_m3_init) | 
|  | module_exit(alsa_card_m3_exit) |