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/*
* Driver for the NXP SAA7164 PCIe bridge
*
* Copyright (c) 2010 Steven Toth <stoth@kernellabs.com>
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* TODO: Cleanup and shorten the namespace */
/* Some structues are passed directly to/from the firmware and
* have strict alignment requirements. This is one of them.
*/
struct tmComResHWDescr {
u8 bLength;
u8 bDescriptorType;
u8 bDescriptorSubtype;
u16 bcdSpecVersion;
u32 dwClockFrequency;
u32 dwClockUpdateRes;
u8 bCapabilities;
u32 dwDeviceRegistersLocation;
u32 dwHostMemoryRegion;
u32 dwHostMemoryRegionSize;
u32 dwHostHibernatMemRegion;
u32 dwHostHibernatMemRegionSize;
} __attribute__((packed));
/* This is DWORD aligned on windows but I can't find the right
* gcc syntax to match the binary data from the device.
* I've manually padded with Reserved[3] bytes to match the hardware,
* but this could break if GCC decies to pack in a different way.
*/
struct tmComResInterfaceDescr {
u8 bLength;
u8 bDescriptorType;
u8 bDescriptorSubtype;
u8 bFlags;
u8 bInterfaceType;
u8 bInterfaceId;
u8 bBaseInterface;
u8 bInterruptId;
u8 bDebugInterruptId;
u8 BARLocation;
u8 Reserved[3];
};
struct tmComResBusDescr {
u64 CommandRing;
u64 ResponseRing;
u32 CommandWrite;
u32 CommandRead;
u32 ResponseWrite;
u32 ResponseRead;
};
enum tmBusType {
NONE = 0,
TYPE_BUS_PCI = 1,
TYPE_BUS_PCIe = 2,
TYPE_BUS_USB = 3,
TYPE_BUS_I2C = 4
};
struct tmComResBusInfo {
enum tmBusType Type;
u16 m_wMaxReqSize;
u8 __iomem *m_pdwSetRing;
u32 m_dwSizeSetRing;
u8 __iomem *m_pdwGetRing;
u32 m_dwSizeGetRing;
u32 m_dwSetWritePos;
u32 m_dwSetReadPos;
u32 m_dwGetWritePos;
u32 m_dwGetReadPos;
/* All access is protected */
struct mutex lock;
};
struct tmComResInfo {
u8 id;
u8 flags;
u16 size;
u32 command;
u16 controlselector;
u8 seqno;
} __attribute__((packed));
enum tmComResCmd {
SET_CUR = 0x01,
GET_CUR = 0x81,
GET_MIN = 0x82,
GET_MAX = 0x83,
GET_RES = 0x84,
GET_LEN = 0x85,
GET_INFO = 0x86,
GET_DEF = 0x87
};
struct cmd {
u8 seqno;
u32 inuse;
u32 timeout;
u32 signalled;
struct mutex lock;
wait_queue_head_t wait;
};
struct tmDescriptor {
u32 pathid;
u32 size;
void *descriptor;
};
struct tmComResDescrHeader {
u8 len;
u8 type;
u8 subtype;
u8 unitid;
} __attribute__((packed));
struct tmComResExtDevDescrHeader {
u8 len;
u8 type;
u8 subtype;
u8 unitid;
u32 devicetype;
u16 deviceid;
u32 numgpiopins;
u8 numgpiogroups;
u8 controlsize;
} __attribute__((packed));
struct tmComResGPIO {
u32 pin;
u8 state;
} __attribute__((packed));
struct tmComResPathDescrHeader {
u8 len;
u8 type;
u8 subtype;
u8 pathid;
} __attribute__((packed));
/* terminaltype */
enum tmComResTermType {
ITT_ANTENNA = 0x0203,
LINE_CONNECTOR = 0x0603,
SPDIF_CONNECTOR = 0x0605,
COMPOSITE_CONNECTOR = 0x0401,
SVIDEO_CONNECTOR = 0x0402,
COMPONENT_CONNECTOR = 0x0403,
STANDARD_DMA = 0xF101
};
struct tmComResAntTermDescrHeader {
u8 len;
u8 type;
u8 subtype;
u8 terminalid;
u16 terminaltype;
u8 assocterminal;
u8 iterminal;
u8 controlsize;
} __attribute__((packed));
struct tmComResTunerDescrHeader {
u8 len;
u8 type;
u8 subtype;
u8 unitid;
u8 sourceid;
u8 iunit;
u32 tuningstandards;
u8 controlsize;
u32 controls;
} __attribute__((packed));
enum tmBufferFlag {
/* the buffer does not contain any valid data */
TM_BUFFER_FLAG_EMPTY,
/* the buffer is filled with valid data */
TM_BUFFER_FLAG_DONE,
/* the buffer is the dummy buffer - TODO??? */
TM_BUFFER_FLAG_DUMMY_BUFFER
};
struct tmBuffer {
u64 *pagetablevirt;
u64 pagetablephys;
u16 offset;
u8 *context;
u64 timestamp;
enum tmBufferFlag BufferFlag;
u32 lostbuffers;
u32 validbuffers;
u64 *dummypagevirt;
u64 dummypagephys;
u64 *addressvirt;
};
struct tmHWStreamParameters {
u32 bitspersample;
u32 samplesperline;
u32 numberoflines;
u32 pitch;
u32 linethreshold;
u64 **pagetablelistvirt;
u64 *pagetablelistphys;
u32 numpagetables;
u32 numpagetableentries;
};
struct tmStreamParameters {
struct tmHWStreamParameters HWStreamParameters;
u64 qwDummyPageTablePhys;
u64 *pDummyPageTableVirt;
};
struct tmComResDMATermDescrHeader {
u8 len;
u8 type;
u8 subtyle;
u8 unitid;
u16 terminaltype;
u8 assocterminal;
u8 sourceid;
u8 iterminal;
u32 BARLocation;
u8 flags;
u8 interruptid;
u8 buffercount;
u8 metadatasize;
u8 numformats;
u8 controlsize;
} __attribute__((packed));
/*
*
* Description:
* This is the transport stream format header.
*
* Settings:
* bLength - The size of this descriptor in bytes.
* bDescriptorType - CS_INTERFACE.
* bDescriptorSubtype - VS_FORMAT_MPEG2TS descriptor subtype.
* bFormatIndex - A non-zero constant that uniquely identifies the
* format.
* bDataOffset - Offset to TSP packet within MPEG-2 TS transport
* stride, in bytes.
* bPacketLength - Length of TSP packet, in bytes (typically 188).
* bStrideLength - Length of MPEG-2 TS transport stride.
* guidStrideFormat - A Globally Unique Identifier indicating the
* format of the stride data (if any). Set to zeros
* if there is no Stride Data, or if the Stride
* Data is to be ignored by the application.
*
*/
struct tmComResTSFormatDescrHeader {
u8 len;
u8 type;
u8 subtype;
u8 bFormatIndex;
u8 bDataOffset;
u8 bPacketLength;
u8 bStrideLength;
u8 guidStrideFormat[16];
} __attribute__((packed));
/* Encoder related structures */
/* A/V Mux Selector */
struct tmComResSelDescrHeader {
u8 len;
u8 type;
u8 subtype;
u8 unitid;
u8 nrinpins;
u8 sourceid;
} __attribute__((packed));
/* A/V Audio processor definitions */
struct tmComResProcDescrHeader {
u8 len;
u8 type;
u8 subtype;
u8 unitid;
u8 sourceid;
u16 wreserved;
u8 controlsize;
} __attribute__((packed));
/* Video bitrate control message */
#define EU_VIDEO_BIT_RATE_MODE_CONSTANT (0)
#define EU_VIDEO_BIT_RATE_MODE_VARIABLE_AVERAGE (1)
#define EU_VIDEO_BIT_RATE_MODE_VARIABLE_PEAK (2)
struct tmComResEncVideoBitRate {
u8 ucVideoBitRateMode;
u32 dwVideoBitRate;
u32 dwVideoBitRatePeak;
} __attribute__((packed));
/* Video Encoder Aspect Ratio message */
struct tmComResEncVideoInputAspectRatio {
u8 width;
u8 height;
} __attribute__((packed));
/* Video Encoder GOP IBP message */
/* 1. IPPPPPPPPPPPPPP */
/* 2. IBPBPBPBPBPBPBP */
/* 3. IBBPBBPBBPBBP */
#define SAA7164_ENCODER_DEFAULT_GOP_DIST (1)
#define SAA7164_ENCODER_DEFAULT_GOP_SIZE (15)
struct tmComResEncVideoGopStructure {
u8 ucGOPSize; /* GOP Size 12, 15 */
u8 ucRefFrameDist; /* Reference Frame Distance */
} __attribute__((packed));
/* Encoder processor definition */
struct tmComResEncoderDescrHeader {
u8 len;
u8 type;
u8 subtype;
u8 unitid;
u8 vsourceid;
u8 asourceid;
u8 iunit;
u32 dwmControlCap;
u32 dwmProfileCap;
u32 dwmVidFormatCap;
u8 bmVidBitrateCap;
u16 wmVidResolutionsCap;
u16 wmVidFrmRateCap;
u32 dwmAudFormatCap;
u8 bmAudBitrateCap;
} __attribute__((packed));
/* Audio processor definition */
struct tmComResAFeatureDescrHeader {
u8 len;
u8 type;
u8 subtype;
u8 unitid;
u8 sourceid;
u8 controlsize;
} __attribute__((packed));
/* Audio control messages */
struct tmComResAudioDefaults {
u8 ucDecoderLevel;
u8 ucDecoderFM_Level;
u8 ucMonoLevel;
u8 ucNICAM_Level;
u8 ucSAP_Level;
u8 ucADC_Level;
} __attribute__((packed));
/* Audio bitrate control message */
struct tmComResEncAudioBitRate {
u8 ucAudioBitRateMode;
u32 dwAudioBitRate;
u32 dwAudioBitRatePeak;
} __attribute__((packed));
/* Tuner / AV Decoder messages */
struct tmComResTunerStandard {
u8 std;
u32 country;
} __attribute__((packed));
struct tmComResTunerStandardAuto {
u8 mode;
} __attribute__((packed));
/* EEPROM definition for PS stream types */
struct tmComResPSFormatDescrHeader {
u8 len;
u8 type;
u8 subtype;
u8 bFormatIndex;
u16 wPacketLength;
u16 wPackLength;
u8 bPackDataType;
} __attribute__((packed));
/* VBI control structure */
struct tmComResVBIFormatDescrHeader {
u8 len;
u8 type;
u8 subtype; /* VS_FORMAT_VBI */
u8 bFormatIndex;
u32 VideoStandard; /* See KS_AnalogVideoStandard, NTSC = 1 */
u8 StartLine; /* NTSC Start = 10 */
u8 EndLine; /* NTSC = 21 */
u8 FieldRate; /* 60 for NTSC */
u8 bNumLines; /* Unused - scheduled for removal */
} __attribute__((packed));
struct tmComResProbeCommit {
u16 bmHint;
u8 bFormatIndex;
u8 bFrameIndex;
} __attribute__((packed));
struct tmComResDebugSetLevel {
u32 dwDebugLevel;
} __attribute__((packed));
struct tmComResDebugGetData {
u32 dwResult;
u8 ucDebugData[256];
} __attribute__((packed));
struct tmFwInfoStruct {
u32 status;
u32 mode;
u32 devicespec;
u32 deviceinst;
u32 CPULoad;
u32 RemainHeap;
u32 CPUClock;
u32 RAMSpeed;
} __attribute__((packed));
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