Release 4.7 sound/pci/maestro3.c

/*
 * 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 <linux/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/module.h>
#include <linux/firmware.h>
#include <linux/input.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>
#include <asm/byteorder.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}}");
MODULE_FIRMWARE("ess/maestro3_assp_kernel.fw");
MODULE_FIRMWARE("ess/maestro3_assp_minisrc.fw");


static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	
/* Index 0-MAX */

static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	
/* ID for this card */

static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; 
/* all enabled */

static bool 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

/*
 * 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_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 )

/*
 */


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;

	
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;	/* gpio pin #  for external amp, -1 = default */
	
unsigned int hv_config;		/* hardware-volume config bits */
	
unsigned irda_workaround :1;	/* avoid to touch 0x10 on GPIO_DIRECTION
                                           (e.g. for IrDA on Dell Inspirons) */
	
unsigned is_omnibook :1;	/* Do HP OmniBook GPIO magic? */

	/* midi */
	
struct snd_rawmidi *rmidi;

	/* pcm streams */
	
int num_substreams;
	
struct m3_dma *substreams;

	
spinlock_t reg_lock;

#ifdef CONFIG_SND_MAESTRO3_INPUT
	
struct input_dev *input_dev;
	
char phys[64];			/* physical device path */
#else
	
struct snd_kcontrol *master_switch;
	
struct snd_kcontrol *master_volume;
#endif
	
struct work_struct hwvol_work;

	
unsigned int in_suspend;

#ifdef CONFIG_PM_SLEEP
	
u16 *suspend_mem;
#endif

	
const struct firmware *assp_kernel_image;
	
const struct firmware *assp_minisrc_image;
};

/*
 * pci ids
 */

static const 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 struct snd_pci_quirk m3_amp_quirk_list[] = {
	SND_PCI_QUIRK(0x0E11, 0x0094, "Compaq Evo N600c", 0x0c),
	SND_PCI_QUIRK(0x10f7, 0x833e, "Panasonic CF-28", 0x0d),
	SND_PCI_QUIRK(0x10f7, 0x833d, "Panasonic CF-72", 0x0d),
	SND_PCI_QUIRK(0x1033, 0x80f1, "NEC LM800J/7", 0x03),
	SND_PCI_QUIRK(0x1509, 0x1740, "LEGEND ZhaoYang 3100CF", 0x03),
	{ } /* END */
};


static struct snd_pci_quirk m3_irda_quirk_list[] = {
	SND_PCI_QUIRK(0x1028, 0x00b0, "Dell Inspiron 4000", 1),
	SND_PCI_QUIRK(0x1028, 0x00a4, "Dell Inspiron 8000", 1),
	SND_PCI_QUIRK(0x1028, 0x00e6, "Dell Inspiron 8100", 1),
	{ } /* END */
};

/* hardware volume quirks */

static struct snd_pci_quirk m3_hv_quirk_list[] = {
	/* Allegro chips */
	SND_PCI_QUIRK(0x0E11, 0x002E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x0E11, 0x0094, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x0E11, 0xB112, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x0E11, 0xB114, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x103C, 0x0012, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x103C, 0x0018, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x103C, 0x001C, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x103C, 0x001D, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x103C, 0x001E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x107B, 0x3350, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x10F7, 0x8338, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x10F7, 0x833C, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x10F7, 0x833D, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x10F7, 0x833E, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x10F7, 0x833F, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x13BD, 0x1018, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x13BD, 0x1019, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x13BD, 0x101A, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x14FF, 0x0F03, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x14FF, 0x0F04, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x14FF, 0x0F05, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x156D, 0xB400, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x156D, 0xB795, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x156D, 0xB797, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x156D, 0xC700, NULL, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD),
	SND_PCI_QUIRK(0x1033, 0x80F1, NULL,
		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
	SND_PCI_QUIRK(0x103C, 0x001A, NULL, /* HP OmniBook 6100 */
		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
	SND_PCI_QUIRK(0x107B, 0x340A, NULL,
		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
	SND_PCI_QUIRK(0x107B, 0x3450, NULL,
		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
	SND_PCI_QUIRK(0x109F, 0x3134, NULL,
		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
	SND_PCI_QUIRK(0x109F, 0x3161, NULL,
		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
	SND_PCI_QUIRK(0x144D, 0x3280, NULL,
		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
	SND_PCI_QUIRK(0x144D, 0x3281, NULL,
		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
	SND_PCI_QUIRK(0x144D, 0xC002, NULL,
		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
	SND_PCI_QUIRK(0x144D, 0xC003, NULL,
		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
	SND_PCI_QUIRK(0x1509, 0x1740, NULL,
		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
	SND_PCI_QUIRK(0x1610, 0x0010, NULL,
		      HV_CTRL_ENABLE | HV_BUTTON_FROM_GD | REDUCED_DEBOUNCE),
	SND_PCI_QUIRK(0x1042, 0x1042, NULL, HV_CTRL_ENABLE),
	SND_PCI_QUIRK(0x107B, 0x9500, NULL, HV_CTRL_ENABLE),
	SND_PCI_QUIRK(0x14FF, 0x0F06, NULL, HV_CTRL_ENABLE),
	SND_PCI_QUIRK(0x1558, 0x8586, NULL, HV_CTRL_ENABLE),
	SND_PCI_QUIRK(0x161F, 0x2011, NULL, HV_CTRL_ENABLE),
	/* Maestro3 chips */
	SND_PCI_QUIRK(0x103C, 0x000E, NULL, HV_CTRL_ENABLE),
	SND_PCI_QUIRK(0x103C, 0x0010, NULL, HV_CTRL_ENABLE),
	SND_PCI_QUIRK(0x103C, 0x0011, NULL, HV_CTRL_ENABLE),
	SND_PCI_QUIRK(0x103C, 0x001B, NULL, HV_CTRL_ENABLE),
	SND_PCI_QUIRK(0x104D, 0x80A6, NULL, HV_CTRL_ENABLE),
	SND_PCI_QUIRK(0x104D, 0x80AA, NULL, HV_CTRL_ENABLE),
	SND_PCI_QUIRK(0x107B, 0x5300, NULL, HV_CTRL_ENABLE),
	SND_PCI_QUIRK(0x110A, 0x1998, NULL, HV_CTRL_ENABLE),
	SND_PCI_QUIRK(0x13BD, 0x1015, NULL, HV_CTRL_ENABLE),
	SND_PCI_QUIRK(0x13BD, 0x101C, NULL, HV_CTRL_ENABLE),
	SND_PCI_QUIRK(0x13BD, 0x1802, NULL, HV_CTRL_ENABLE),
	SND_PCI_QUIRK(0x1599, 0x0715, NULL, HV_CTRL_ENABLE),
	SND_PCI_QUIRK(0x5643, 0x5643, NULL, HV_CTRL_ENABLE),
	SND_PCI_QUIRK(0x144D, 0x3260, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
	SND_PCI_QUIRK(0x144D, 0x3261, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
	SND_PCI_QUIRK(0x144D, 0xC000, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
	SND_PCI_QUIRK(0x144D, 0xC001, NULL, HV_CTRL_ENABLE | REDUCED_DEBOUNCE),
	{ } /* END */
};

/* HP Omnibook quirks */

static struct snd_pci_quirk m3_omnibook_quirk_list[] = {
	SND_PCI_QUIRK_ID(0x103c, 0x0010), /* HP OmniBook 6000 */
	SND_PCI_QUIRK_ID(0x103c, 0x0011), /* HP OmniBook 500 */
	{ } /* END */
};

/*
 * lowlevel functions
 */



static inline void snd_m3_outw(struct snd_m3 *chip, u16 value, unsigned long reg)
{
	outw(value, chip->iobase + reg);
}

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jaroslav kysela
jaroslav kysela
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jesper juhl
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static inline u16 snd_m3_inw(struct snd_m3 *chip, unsigned long reg)
{
	return inw(chip->iobase + reg);
}

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static inline void snd_m3_outb(struct snd_m3 *chip, u8 value, unsigned long reg)
{
	outb(value, chip->iobase + reg);
}

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static inline u8 snd_m3_inb(struct snd_m3 *chip, unsigned long reg)
{
	return inb(chip->iobase + reg);
}

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/*
 * 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);
}

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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);
}

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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);
}

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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);
}


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/*
 * 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++;
}

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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--;
}

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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);
}

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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);
}

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/*
 * 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;
}

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/* 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;
}

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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;

	if (snd_BUG_ON(!s))
		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;
}

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/*
 * 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);
}

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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);
}


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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);
}

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/*
 *    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);
}

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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) {
		dev_err(substream->pcm->card->dev, "oh my, not aligned\n");
		s->buffer_addr = s->buffer_addr & ~0x3;
	}
	return 0;
}

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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;
}

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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;

	if (snd_BUG_ON(!s))
		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;
}

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jaroslav kysela
jaroslav kysela
133
88.08%
2
50.00%
takashi iwai
takashi iwai
18
11.92%
2
50.00%
Total
151
100.00%
4
100.00%

/*
 * 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);
}

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jaroslav kysela
jaroslav kysela
121
95.28%
1
50.00%
takashi iwai
takashi iwai
6
4.72%
1
50.00%
Total
127
100.00%
2
100.00%


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;

	if (snd_BUG_ON(!s))
		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);
}


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jaroslav kysela
jaroslav kysela
69
82.14%
2
50.00%
takashi iwai
takashi iwai
15
17.86%
2
50.00%
Total
84
100.00%
4
100.00%

/* 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);
	}
}

Contributors
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jaroslav kysela
jaroslav kysela
90
51.43%
2
40.00%
andreas mohr
andreas mohr
50
28.57%
1
20.00%
ville syrjala
ville syrjala
29
16.57%
1
20.00%
takashi iwai
takashi iwai
6
3.43%
1
20.00%
Total
175
100.00%
5
100.00%

/* The m3's hardware volume works by incrementing / decrementing 2 counters
   (without wrap around) in response to volume button presses and then
   generating an interrupt. The pair of counters is stored in bits 1-3 and 5-7
   of a byte wide register. The meaning of bits 0 and 4 is unknown. */


static void snd_m3_update_hw_volume(struct work_struct *work)
{
	struct snd_m3 *chip = container_of(work, struct snd_m3, hwvol_work);
	int x, val;

	/* 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 counters to 4. Tests on the allegro integrated
           into a Compaq N600C laptop, have revealed that:
           1) Writing any value will result in the 2 counters being reset to
              4 so writing 0x88 is not strictly necessary
           2) Writing to any of the 4 involved registers will reset all 4
              of them (and reading them always returns the same value for all
              of them)
           It could be that a maestro deviates from this, so leave the code
           as is. */
	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);

	/* Ignore spurious HV interrupts during suspend / resume, this avoids
           mistaking them for a mute button press. */
	if (chip->in_suspend)
		return;

#ifndef CONFIG_SND_MAESTRO3_INPUT
	if (!chip->master_switch || !chip->master_volume)
		return;

	val = snd_ac97_read(chip->ac97, AC97_MASTER);
	switch (x) {
	case 0x88:
		/* The counters have not changed, yet we've received a HV
                   interrupt. According to tests run by various people this
                   happens when pressing the mute button. */
		val ^= 0x8000;
		break;
	case 0xaa:
		/* counters increased by 1 -> volume up */
		if ((val & 0x7f) > 0)
			val--;
		if ((val & 0x7f00) > 0)
			val -= 0x0100;
		break;
	case 0x66:
		/* counters decreased by 1 -> volume down */
		if ((val & 0x7f) < 0x1f)
			val++;
		if ((val & 0x7f00) < 0x1f00)
			val += 0x0100;
		break;
	}
	if (snd_ac97_update(chip->ac97, AC97_MASTER, val))
		snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
			       &chip->master_switch->id);
#else
	if (!chip->input_dev)
		return;

	val = 0;
	switch (x) {
	case 0x88:
		/* The counters have not changed, yet we've received a HV
                   interrupt. According to tests run by various people this
                   happens when pressing the mute button. */
		val = KEY_MUTE;
		break;
	case 0xaa:
		/* counters increased by 1 -> volume up */
		val = KEY_VOLUMEUP;
		break;
	case 0x66:
		/* counters decreased by 1 -> volume down */
		val = KEY_VOLUMEDOWN;
		break;
	}

	if (val) {
		input_report_key(chip->input_dev, val, 1);
		input_sync(chip->input_dev);
		input_report_key(chip->input_dev, val, 0);
		input_sync(chip->input_dev);
	}
#endif
}

Contributors
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ville syrjala
ville syrjala
180
55.56%
1
14.29%
hans de goede
hans de goede
106
32.72%
3
42.86%
takashi iwai
takashi iwai
30
9.26%
2
28.57%
jaroslav kysela
jaroslav kysela
8
2.47%
1
14.29%
Total
324
100.00%
7
100.00%



static irqreturn_t snd_m3_interrupt(int irq, void *dev_id)
{
	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)
		schedule_work(&chip->hwvol_work);

	/*
         * 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;
}


Contributors
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jaroslav kysela
jaroslav kysela
173
84.80%
2
28.57%
ville syrjala
ville syrjala
18
8.82%
2
28.57%
david s. miller
david s. miller
7
3.43%
1
14.29%
takashi iwai
takashi iwai
6
2.94%
2
28.57%
Total
204
100.00%
7
100.00%

/*
 */


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;
}

Contributors
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jaroslav kysela
jaroslav kysela
174
96.67%
2
66.67%
takashi iwai
takashi iwai
6
3.33%
1
33.33%
Total
180
100.00%
3
100.00%


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);
}

Contributors
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jaroslav kysela
jaroslav kysela
150
96.15%
2
66.67%
takashi iwai
takashi iwai
6
3.85%
1
33.33%
Total
156
100.00%
3
100.00%


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;

	return 0;
}

Contributors
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jaroslav kysela
jaroslav kysela
54
90.00%
1
50.00%
takashi iwai
takashi iwai
6
10.00%
1
50.00%
Total
60
100.00%
2
100.00%


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;
}

Contributors
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jaroslav kysela
jaroslav kysela
27
87.10%
1
50.00%
takashi iwai
takashi iwai
4
12.90%
1
50.00%
Total
31
100.00%
2
100.00%


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;

	return 0;
}

Contributors
Person
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jaroslav kysela
jaroslav kysela
54
90.00%
1
50.00%
takashi iwai
takashi iwai
6
10.00%
1
50.00%
Total
60
100.00%
2
100.00%


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;
}

Contributors
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jaroslav kysela
jaroslav kysela
27
87.10%
1
50.00%
takashi iwai
takashi iwai
4
12.90%
1
50.00%
Total
31
100.00%
2
100.00%

/*
 * 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

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;
}


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jaroslav kysela
jaroslav kysela
127
96.95%
3
75.00%
takashi iwai
takashi iwai
4
3.05%
1
25.00%
Total
131
100.00%
4
100.00%

/*
 * 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);

	dev_err(chip->card->dev, "ac97 serial bus busy\n");
	return 1;
}

Contributors
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jaroslav kysela
jaroslav kysela
49
80.33%
1
25.00%
takashi iwai
takashi iwai
9
14.75%
2
50.00%
andreas mohr
andreas mohr
3
4.92%
1
25.00%
Total
61
100.00%
4
100.00%


static unsigned short

snd_m3_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
{
	struct snd_m3 *chip = ac97->private_data;
	unsigned short data = 0xffff;

	if (snd_m3_ac97_wait(chip))
		goto fail;
	snd_m3_outb(chip, 0x80 | (reg & 0x7f), CODEC_COMMAND);
	if (snd_m3_ac97_wait(chip))
		goto fail;
	data = snd_m3_inw(chip, CODEC_DATA);
fail:
	return data;
}

Contributors
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jaroslav kysela
jaroslav kysela
57
71.25%
3
42.86%
ville syrjala
ville syrjala
9
11.25%
1
14.29%
andreas mohr
andreas mohr
9
11.25%
1
14.29%
takashi iwai
takashi iwai
5
6.25%
2
28.57%
Total
80
100.00%
7
100.00%


static void

snd_m3_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val)
{
	struct snd_m3 *chip = ac97->private_data;

	if (snd_m3_ac97_wait(chip))
		return;
	snd_m3_outw(chip, val, CODEC_DATA);
	snd_m3_outb(chip, reg & 0x7f, CODEC_COMMAND);
	/*
         * Workaround for buggy ES1988 integrated AC'97 codec. It remains silent
         * until the MASTER volume or mute is touched (alsactl restore does not
         * work).
         */
	if (ac97->id == 0x45838308 && reg == AC97_MASTER) {
		snd_m3_ac97_wait(chip);
		snd_m3_outw(chip, val, CODEC_DATA);
		snd_m3_outb(chip, reg & 0x7f, CODEC_COMMAND);
	}
}


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jaroslav kysela
jaroslav kysela
52
54.17%
3
60.00%
ondrej zary
ondrej zary
40
41.67%
1
20.00%
takashi iwai
takashi iwai
4
4.17%
1
20.00%
Total
96
100.00%
5
100.00%



static void snd_m3_remote_codec_config(struct snd_m3 *chip, int isremote)
{
	int io = chip->iobase;
	u16 tmp;

	isremote = isremote ? 1 : 0;

	tmp = inw(io + RING_BUS_CTRL_B) & ~SECOND_CODEC_ID_MASK;
	/* enable dock on Dell Latitude C810 */
	if (chip->pci->subsystem_vendor == 0x1028 &&
	    chip->pci->subsystem_device == 0x00e5)
		tmp |= M3I_DOCK_ENABLE;
	outw(tmp | 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);
}

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jaroslav kysela
jaroslav kysela
77
64.17%
1
50.00%
ondrej zary
ondrej zary
43
35.83%
1
50.00%
Total
120
100.00%
2
100.00%

/* 
 * 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);
}

Contributors
Person
Tokens
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Commits
CommitProp
jaroslav kysela
jaroslav kysela
69
97.18%
1
50.00%
takashi iwai
takashi iwai
2
2.82%
1
50.00%
Total
71
100.00%
2
100.00%



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->irda_workaround)
			dir |= 0x10; /* assuming pci bus master? */

		snd_m3_remote_codec_config(chip, 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;

		dev_dbg(chip->card->dev,
			"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
}

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jaroslav kysela
jaroslav kysela
233
92.83%
2
28.57%
takashi iwai
takashi iwai
11
4.38%
3
42.86%
nishanth aravamudan
nishanth aravamudan
6
2.39%
1
14.29%
ondrej zary
ondrej zary
1
0.40%
1
14.29%
Total
251
100.00%
7
100.00%



static int snd_m3_mixer(struct snd_m3 *chip)
{
	struct snd_ac97_bus *pbus;
	struct snd_ac97_template ac97;
#ifndef CONFIG_SND_MAESTRO3_INPUT
	struct snd_ctl_elem_id elem_id;
#endif
	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);

#ifndef CONFIG_SND_MAESTRO3_INPUT
	memset(&elem_id, 0, sizeof(elem_id));
	elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
	strcpy(elem_id.name, "Master Playback Switch");
	chip->master_switch = snd_ctl_find_id(chip->card, &elem_id);
	memset(&elem_id, 0, sizeof(elem_id));
	elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
	strcpy(elem_id.name, "Master Playback Volume");
	chip->master_volume = snd_ctl_find_id(chip->card, &elem_id);
#endif

	return 0;
}


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jaroslav kysela
jaroslav kysela
141
56.18%
3
37.50%
ville syrjala
ville syrjala
75
29.88%
1
12.50%
harvey harrison
harvey harrison
11
4.38%
1
12.50%
takashi iwai
takashi iwai
10
3.98%
1
12.50%
hans de goede
hans de goede
10
3.98%
1
12.50%
nishanth aravamudan
nishanth aravamudan
4
1.59%
1
12.50%
Total
251
100.00%
8
100.00%

/*
 * 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;
	const u16 *data;

	/* 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.. */
	data = (const u16 *)chip->assp_kernel_image->data;
	for (i = 0 ; i * 2 < chip->assp_kernel_image->size; i++) {
		snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, 
				  REV_B_CODE_MEMORY_BEGIN + i,
				  le16_to_cpu(data[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..
         */
	data = (const u16 *)chip->assp_minisrc_image->data;
	for (i = 0; i * 2 < chip->assp_minisrc_image->size; i++) {
		snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, 
				  0x400 + i, le16_to_cpu(data[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;
}


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jaroslav kysela
jaroslav kysela
345
86.68%
2
40.00%
clemens ladisch
clemens ladisch
42
10.55%
1
20.00%
david woodhouse
david woodhouse
9
2.26%
1
20.00%
takashi iwai
takashi iwai
2
0.50%
1
20.00%
Total
398
100.00%
5
100.00%



static int 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 = ALIGN(data_bytes, 256);
	address = 0x1100 + ((data_bytes/2) * index);

	if ((address + (data_bytes/2)) >= 0x1c00) {
		dev_err(chip->card->dev,
			"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;
}


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jaroslav kysela
jaroslav kysela
148
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1
20.00%
takashi iwai
takashi iwai
11
6.67%
2
40.00%
clemens ladisch
clemens ladisch
5
3.03%
1
20.00%
andreas mohr
andreas mohr
1
0.61%
1
20.00%
Total
165
100.00%
5
100.00%

/* 
 * 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);
}

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jaroslav kysela
jaroslav kysela
106
98.15%
1
50.00%
takashi iwai
takashi iwai
2
1.85%
1
50.00%
Total
108
100.00%
2
100.00%


static void

snd_m3_hv_init(struct snd_m3 *chip)
{
	unsigned long io = chip->iobase;
	u16 val = GPI_VOL_DOWN | GPI_VOL_UP;

	if (!chip->is_omnibook)
		return;

	/*
         * Volume buttons on some HP OmniBook laptops
         * require some GPIO magic to work correctly.
         */
	outw(0xffff, io + GPIO_MASK);
	outw(0x0000, io + GPIO_DATA);

	outw(~val, io + GPIO_MASK);
	outw(inw(io + GPIO_DIRECTION) & ~val, io + GPIO_DIRECTION);
	outw(val, io + GPIO_MASK);

	outw(0xffff, io + GPIO_MASK);
}

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ville syrjala
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jaroslav kysela
1
1.02%
1
50.00%
Total
98
100.00%
2
100.00%


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);

	pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n);
	n &= ~(HV_CTRL_ENABLE | REDUCED_DEBOUNCE | HV_BUTTON_FROM_GD);
	n |= chip->hv_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;
} 

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jaroslav kysela
jaroslav kysela
240
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2
25.00%
ville syrjala
ville syrjala
71
22.19%
3
37.50%
charles r. anderson
charles r. anderson
6
1.88%
1
12.50%
takashi iwai
takashi iwai
3
0.94%
2
25.00%
Total
320
100.00%
8
100.00%


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_config & HV_CTRL_ENABLE)
		val |= HV_INT_ENABLE;
	outb(val, chip->iobase + HOST_INT_STATUS);
	outw(val, io + HOST_INT_CTRL);
	outb(inb(io + ASSP_CONTROL_C) | ASSP_HOST_INT_ENABLE,
	     io + ASSP_CONTROL_C);
}


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jaroslav kysela
jaroslav kysela
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33.33%
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takashi iwai
24
31.17%
3
50.00%
ville syrjala
ville syrjala
11
14.29%
1
16.67%
Total
77
100.00%
6
100.00%

/*
 */



static int snd_m3_free(struct snd_m3 *chip)
{
	struct m3_dma *s;
	int i;

	cancel_work_sync(&chip->hwvol_work);
#ifdef CONFIG_SND_MAESTRO3_INPUT
	if (chip->input_dev)
		input_unregister_device(chip->input_dev);
#endif

	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_SLEEP
	vfree(chip->suspend_mem);
#endif

	if (chip->irq >= 0)
		free_irq(chip->irq, chip);

	if (chip->iobase)
		pci_release_regions(chip->pci);

	release_firmware(chip->assp_kernel_image);
	release_firmware(chip->assp_minisrc_image);

	pci_disable_device(chip->pci);
	kfree(chip);
	return 0;
}


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jaroslav kysela
jaroslav kysela
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46.15%
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hans de goede
18
8.33%
1
7.69%
clemens ladisch
clemens ladisch
14
6.48%
1
7.69%
takashi iwai
takashi iwai
13
6.02%
3
23.08%
alan cox
alan cox
8
3.70%
1
7.69%
ville syrjala
ville syrjala
6
2.78%
1
7.69%
Total
216
100.00%
13
100.00%

/*
 * APM support
 */
#ifdef CONFIG_PM_SLEEP


static int m3_suspend(struct device *dev)
{
	struct snd_card *card = dev_get_drvdata(dev);
	struct snd_m3 *chip = card->private_data;
	int i, dsp_index;

	if (chip->suspend_mem == NULL)
		return 0;

	chip->in_suspend = 1;
	cancel_work_sync(&chip->hwvol_work);
	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 */
	dsp_index = 0;
	for (i = REV_B_CODE_MEMORY_BEGIN; i <= REV_B_CODE_MEMORY_END; i++)
		chip->suspend_mem[dsp_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[dsp_index++] =
			snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA, i);
	return 0;
}

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jaroslav kysela
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takashi iwai
32
20.00%
5
41.67%
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hans de goede
6
3.75%
1
8.33%
harvey harrison
harvey harrison
4
2.50%
1
8.33%
Total
160
100.00%
12
100.00%



static int m3_resume(struct device *dev)
{
	struct snd_card *card = dev_get_drvdata(dev);
	struct snd_m3 *chip = card->private_data;
	int i, dsp_index;

	if (chip->suspend_mem == NULL)
		return 0;

	/* 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 */
	dsp_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[dsp_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[dsp_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_m3_hv_init(chip);

	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	chip->in_suspend = 0;
	return 0;
}

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jaroslav kysela
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takashi iwai
23
11.33%
3
30.00%
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hans de goede
6
2.96%
1
10.00%
ville syrjala
ville syrjala
5
2.46%
1
10.00%
harvey harrison
harvey harrison
4
1.97%
1
10.00%
Total
203
100.00%
10
100.00%

static SIMPLE_DEV_PM_OPS(m3_pm, m3_suspend, m3_resume);

#define M3_PM_OPS	&m3_pm
#else

#define M3_PM_OPS	NULL
#endif /* CONFIG_PM_SLEEP */

#ifdef CONFIG_SND_MAESTRO3_INPUT


static int snd_m3_input_register(struct snd_m3 *chip)
{
	struct input_dev *input_dev;
	int err;

	input_dev = input_allocate_device();
	if (!input_dev)
		return -ENOMEM;

	snprintf(chip->phys, sizeof(chip->phys), "pci-%s/input0",
		 pci_name(chip->pci));

	input_dev->name = chip->card->driver;
	input_dev->phys = chip->phys;
	input_dev->id.bustype = BUS_PCI;
	input_dev->id.vendor  = chip->pci->vendor;
	input_dev->id.product = chip->pci->device;
	input_dev->dev.parent = &chip->pci->dev;

	__set_bit(EV_KEY, input_dev->evbit);
	__set_bit(KEY_MUTE, input_dev->keybit);
	__set_bit(KEY_VOLUMEDOWN, input_dev->keybit);
	__set_bit(KEY_VOLUMEUP, input_dev->keybit);

	err = input_register_device(input_dev);
	if (err) {
		input_free_device(input_dev);
		return err;
	}

	chip->input_dev = input_dev;
	return 0;
}
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#endif /* CONFIG_INPUT */

/*
 */



static int snd_m3_dev_free(struct snd_device *device)
{
	struct snd_m3 *chip = device->device_data;
	return snd_m3_free(chip);
}

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static int

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 snd_pci_quirk *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 (dma_set_mask(&pci->dev, DMA_BIT_MASK(28)) < 0 ||
	    dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(28)) < 0) {
		dev_err(card->dev,
			"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);

	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;
	INIT_WORK(&chip->hwvol_work, snd_m3_update_hw_volume);

	chip->external_amp = enable_amp;
	if (amp_gpio >= 0 && amp_gpio <= 0x0f)
		chip->amp_gpio = amp_gpio;
	else {
		quirk = snd_pci_quirk_lookup(pci, m3_amp_quirk_list);
		if (quirk) {
			dev_info(card->dev, "set amp-gpio for '%s'\n",
				 snd_pci_quirk_name(quirk));
			chip->amp_gpio = quirk->value;
		} 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;
	}

	quirk = snd_pci_quirk_lookup(pci, m3_irda_quirk_list);
	if (quirk) {
		dev_info(card->dev, "enabled irda workaround for '%s'\n",
			 snd_pci_quirk_name(quirk));
		chip->irda_workaround = 1;
	}
	quirk = snd_pci_quirk_lookup(pci, m3_hv_quirk_list);
	if (quirk)
		chip->hv_config = quirk->value;
	if (snd_pci_quirk_lookup(pci, m3_omnibook_quirk_list))
		chip->is_omnibook = 1;

	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;
	}

	err = request_firmware(&chip->assp_kernel_image,
			       "ess/maestro3_assp_kernel.fw", &pci->dev);
	if (err < 0) {
		snd_m3_free(chip);
		return err;
	}

	err = request_firmware(&chip->assp_minisrc_image,
			       "ess/maestro3_assp_minisrc.fw", &pci->dev);
	if (err < 0) {
		snd_m3_free(chip);
		return err;
	}

	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);

	snd_m3_hv_init(chip);

	if (request_irq(pci->irq, snd_m3_interrupt, IRQF_SHARED,
			KBUILD_MODNAME, chip)) {
		dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
		snd_m3_free(chip);
		return -ENOMEM;
	}
	chip->irq = pci->irq;

#ifdef CONFIG_PM_SLEEP
	chip->suspend_mem = vmalloc(sizeof(u16) * (REV_B_CODE_MEMORY_LENGTH + REV_B_DATA_MEMORY_LENGTH));
	if (chip->suspend_mem == NULL)
		dev_warn(card->dev, "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;

#ifdef CONFIG_SND_MAESTRO3_INPUT
	if (chip->hv_config & HV_CTRL_ENABLE) {
		err = snd_m3_input_register(chip);
		if (err)
			dev_warn(card->dev,
				 "Input device registration failed with error %i",
				 err);
	}
#endif

	snd_m3_enable_ints(chip);
	snd_m3_assp_continue(chip);

	*chip_ret = chip;

	return 0; 
}

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/*
 */

static int

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;
	}

	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
			   0, &card);
	if (err < 0)
		return err;

	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 | MPU401_INFO_IRQ_HOOK,
                                  -1, &chip->rmidi);
        if (err < 0)
                dev_warn(card->dev, "no MIDI support.\n");
#endif

	pci_set_drvdata(pci, card);
	dev++;
	return 0;
}

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static void snd_m3_remove(struct pci_dev *pci)
{
	snd_card_free(pci_get_drvdata(pci));
}

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static struct pci_driver m3_driver = {
	.name = KBUILD_MODNAME,
	.id_table = snd_m3_ids,
	.probe = snd_m3_probe,
	.remove = snd_m3_remove,
	.driver = {
		.pm = M3_PM_OPS,
        },
};
	

module_pci_driver(m3_driver);
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Directory: sound/pci

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