167 lines
5.1 KiB
C
167 lines
5.1 KiB
C
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/*
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* Driver for the NXP SAA7164 PCIe bridge
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*
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* Copyright (c) 2009 Steven Toth <stoth@kernellabs.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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*
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* TODO: Retest the driver with errors expressed as negatives */
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/* Result codes */
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#define SAA_OK 0
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#define SAA_ERR_BAD_PARAMETER 0x09
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#define SAA_ERR_NO_RESOURCES 0x0c
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#define SAA_ERR_NOT_SUPPORTED 0x13
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#define SAA_ERR_BUSY 0x15
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#define SAA_ERR_READ 0x17
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#define SAA_ERR_TIMEOUT 0x1f
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#define SAA_ERR_OVERFLOW 0x20
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#define SAA_ERR_EMPTY 0x22
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#define SAA_ERR_NOT_STARTED 0x23
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#define SAA_ERR_ALREADY_STARTED 0x24
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#define SAA_ERR_NOT_STOPPED 0x25
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#define SAA_ERR_ALREADY_STOPPED 0x26
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#define SAA_ERR_INVALID_COMMAND 0x3e
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#define SAA_ERR_NULL_PACKET 0x59
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/* Errors and flags from the silicon */
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#define PVC_ERRORCODE_UNKNOWN 0x00
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#define PVC_ERRORCODE_INVALID_COMMAND 0x01
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#define PVC_ERRORCODE_INVALID_CONTROL 0x02
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#define PVC_ERRORCODE_INVALID_DATA 0x03
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#define PVC_ERRORCODE_TIMEOUT 0x04
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#define PVC_ERRORCODE_NAK 0x05
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#define PVC_RESPONSEFLAG_ERROR 0x01
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#define PVC_RESPONSEFLAG_OVERFLOW 0x02
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#define PVC_RESPONSEFLAG_RESET 0x04
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#define PVC_RESPONSEFLAG_INTERFACE 0x08
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#define PVC_RESPONSEFLAG_CONTINUED 0x10
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#define PVC_CMDFLAG_INTERRUPT 0x02
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#define PVC_CMDFLAG_INTERFACE 0x04
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#define PVC_CMDFLAG_SERIALIZE 0x08
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#define PVC_CMDFLAG_CONTINUE 0x10
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/* Silicon Commands */
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#define GET_DESCRIPTORS_CONTROL 0x01
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#define GET_STRING_CONTROL 0x03
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#define GET_LANGUAGE_CONTROL 0x05
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#define SET_POWER_CONTROL 0x07
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#define GET_FW_VERSION_CONTROL 0x09
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#define SET_DEBUG_LEVEL_CONTROL 0x0B
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#define GET_DEBUG_DATA_CONTROL 0x0C
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#define GET_PRODUCTION_INFO_CONTROL 0x0D
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/* cmd defines */
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#define SAA_CMDFLAG_CONTINUE 0x10
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#define SAA_CMD_MAX_MSG_UNITS 256
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/* Some defines */
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#define SAA_BUS_TIMEOUT 50
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#define SAA_DEVICE_TIMEOUT 5000
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#define SAA_DEVICE_MAXREQUESTSIZE 256
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/* Register addresses */
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#define SAA_DEVICE_VERSION 0x30
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#define SAA_DOWNLOAD_FLAGS 0x34
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#define SAA_DOWNLOAD_FLAG 0x34
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#define SAA_DOWNLOAD_FLAG_ACK 0x38
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#define SAA_DATAREADY_FLAG 0x3C
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#define SAA_DATAREADY_FLAG_ACK 0x40
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/* Boot loader register and bit definitions */
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#define SAA_BOOTLOADERERROR_FLAGS 0x44
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#define SAA_DEVICE_IMAGE_SEARCHING 0x01
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#define SAA_DEVICE_IMAGE_LOADING 0x02
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#define SAA_DEVICE_IMAGE_BOOTING 0x03
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#define SAA_DEVICE_IMAGE_CORRUPT 0x04
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#define SAA_DEVICE_MEMORY_CORRUPT 0x08
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#define SAA_DEVICE_NO_IMAGE 0x10
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/* Register addresses */
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#define SAA_DEVICE_2ND_VERSION 0x50
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#define SAA_DEVICE_2ND_DOWNLOADFLAG_OFFSET 0x54
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/* Register addresses */
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#define SAA_SECONDSTAGEERROR_FLAGS 0x64
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/* Bootloader regs and flags */
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#define SAA_DEVICE_DEADLOCK_DETECTED_OFFSET 0x6C
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#define SAA_DEVICE_DEADLOCK_DETECTED 0xDEADDEAD
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/* Basic firmware status registers */
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#define SAA_DEVICE_SYSINIT_STATUS_OFFSET 0x70
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#define SAA_DEVICE_SYSINIT_STATUS 0x70
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#define SAA_DEVICE_SYSINIT_MODE 0x74
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#define SAA_DEVICE_SYSINIT_SPEC 0x78
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#define SAA_DEVICE_SYSINIT_INST 0x7C
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#define SAA_DEVICE_SYSINIT_CPULOAD 0x80
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#define SAA_DEVICE_SYSINIT_REMAINHEAP 0x84
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#define SAA_DEVICE_DOWNLOAD_OFFSET 0x1000
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#define SAA_DEVICE_BUFFERBLOCKSIZE 0x1000
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#define SAA_DEVICE_2ND_BUFFERBLOCKSIZE 0x100000
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#define SAA_DEVICE_2ND_DOWNLOAD_OFFSET 0x200000
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/* Descriptors */
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#define CS_INTERFACE 0x24
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/* Descriptor subtypes */
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#define VC_INPUT_TERMINAL 0x02
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#define VC_OUTPUT_TERMINAL 0x03
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#define VC_SELECTOR_UNIT 0x04
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#define VC_PROCESSING_UNIT 0x05
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#define FEATURE_UNIT 0x06
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#define TUNER_UNIT 0x09
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#define ENCODER_UNIT 0x0A
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#define EXTENSION_UNIT 0x0B
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#define VC_TUNER_PATH 0xF0
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#define PVC_HARDWARE_DESCRIPTOR 0xF1
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#define PVC_INTERFACE_DESCRIPTOR 0xF2
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#define PVC_INFRARED_UNIT 0xF3
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#define DRM_UNIT 0xF4
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#define GENERAL_REQUEST 0xF5
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/* Format Types */
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#define VS_FORMAT_TYPE 0x02
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#define VS_FORMAT_TYPE_I 0x01
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#define VS_FORMAT_UNCOMPRESSED 0x04
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#define VS_FRAME_UNCOMPRESSED 0x05
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#define VS_FORMAT_MPEG2PS 0x09
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#define VS_FORMAT_MPEG2TS 0x0A
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#define VS_FORMAT_MPEG4SL 0x0B
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#define VS_FORMAT_WM9 0x0C
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#define VS_FORMAT_DIVX 0x0D
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#define VS_FORMAT_VBI 0x0E
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#define VS_FORMAT_RDS 0x0F
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/* Device extension commands */
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#define EXU_REGISTER_ACCESS_CONTROL 0x00
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#define EXU_GPIO_CONTROL 0x01
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#define EXU_GPIO_GROUP_CONTROL 0x02
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#define EXU_INTERRUPT_CONTROL 0x03
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/* State Transition and args */
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#define SAA_STATE_CONTROL 0x03
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#define SAA_DMASTATE_STOP 0x00
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#define SAA_DMASTATE_ACQUIRE 0x01
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#define SAA_DMASTATE_PAUSE 0x02
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#define SAA_DMASTATE_RUN 0x03
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/* Hardware registers */
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