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Diffstat (limited to 'sound/pci/asihpi/hpi_internal.h')
| -rw-r--r-- | sound/pci/asihpi/hpi_internal.h | 1641 |
1 files changed, 1641 insertions, 0 deletions
diff --git a/sound/pci/asihpi/hpi_internal.h b/sound/pci/asihpi/hpi_internal.h new file mode 100644 index 00000000000..f1cd6f1a0d4 --- /dev/null +++ b/sound/pci/asihpi/hpi_internal.h @@ -0,0 +1,1641 @@ +/****************************************************************************** + + AudioScience HPI driver + Copyright (C) 1997-2010 AudioScience Inc. <support@audioscience.com> + + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License as + published by the Free Software Foundation; + + 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 + +HPI internal definitions + +(C) Copyright AudioScience Inc. 1996-2009 +******************************************************************************/ + +#ifndef _HPI_INTERNAL_H_ +#define _HPI_INTERNAL_H_ + +#include "hpi.h" +/** maximum number of memory regions mapped to an adapter */ +#define HPI_MAX_ADAPTER_MEM_SPACES (2) + +/* Each OS needs its own hpios.h, or specific define as above */ +#include "hpios.h" + +/* physical memory allocation */ +void hpios_locked_mem_init(void + ); +void hpios_locked_mem_free_all(void + ); +#define hpios_locked_mem_prepare(a, b, c, d); +#define hpios_locked_mem_unprepare(a) + +/** Allocate and map an area of locked memory for bus master DMA operations. + +On success, *pLockedMemeHandle is a valid handle, and 0 is returned +On error *pLockedMemHandle marked invalid, non-zero returned. + +If this function succeeds, then HpiOs_LockedMem_GetVirtAddr() and +HpiOs_LockedMem_GetPyhsAddr() will always succed on the returned handle. +*/ +u16 hpios_locked_mem_alloc(struct consistent_dma_area *p_locked_mem_handle, + /**< memory handle */ + u32 size, /**< size in bytes to allocate */ + struct pci_dev *p_os_reference + /**< OS specific data required for memory allocation */ + ); + +/** Free mapping and memory represented by LockedMemHandle + +Frees any resources, then invalidates the handle. +Returns 0 on success, 1 if handle is invalid. + +*/ +u16 hpios_locked_mem_free(struct consistent_dma_area *locked_mem_handle); + +/** Get the physical PCI address of memory represented by LockedMemHandle. + +If handle is invalid *pPhysicalAddr is set to zero and return 1 +*/ +u16 hpios_locked_mem_get_phys_addr(struct consistent_dma_area + *locked_mem_handle, u32 *p_physical_addr); + +/** Get the CPU address of of memory represented by LockedMemHandle. + +If handle is NULL *ppvVirtualAddr is set to NULL and return 1 +*/ +u16 hpios_locked_mem_get_virt_addr(struct consistent_dma_area + *locked_mem_handle, void **ppv_virtual_addr); + +/** Check that handle is valid +i.e it represents a valid memory area +*/ +u16 hpios_locked_mem_valid(struct consistent_dma_area *locked_mem_handle); + +/* timing/delay */ +void hpios_delay_micro_seconds(u32 num_micro_sec); + +struct hpi_message; +struct hpi_response; + +typedef void hpi_handler_func(struct hpi_message *, struct hpi_response *); + +/* If the assert fails, compiler complains + something like size of array `msg' is negative. + Unlike linux BUILD_BUG_ON, this works outside function scope. +*/ +#define compile_time_assert(cond, msg) \ + typedef char ASSERT_##msg[(cond) ? 1 : -1] + +/*/////////////////////////////////////////////////////////////////////////// */ +/* Private HPI Entity related definitions */ + +#define STR_SIZE_FIELD_MAX 65535U +#define STR_TYPE_FIELD_MAX 255U +#define STR_ROLE_FIELD_MAX 255U + +struct hpi_entity_str { + uint16_t size; + uint8_t type; + uint8_t role; +}; + +#if defined(_MSC_VER) +#pragma warning(push) +#pragma warning(disable : 4200) +#endif + +struct hpi_entity { + struct hpi_entity_str header; +#if ! defined(HPI_OS_DSP_C6000) || (defined(HPI_OS_DSP_C6000) && (__TI_COMPILER_VERSION__ > 6000008)) + /* DSP C6000 compiler v6.0.8 and lower + do not support flexible array member */ + uint8_t value[]; +#else + /* NOTE! Using sizeof(struct hpi_entity) will give erroneous results */ +#define HPI_INTERNAL_WARN_ABOUT_ENTITY_VALUE + uint8_t value[1]; +#endif +}; + +#if defined(_MSC_VER) +#pragma warning(pop) +#endif + +/******************************************* bus types */ +enum HPI_BUSES { + HPI_BUS_ISAPNP = 1, + HPI_BUS_PCI = 2, + HPI_BUS_USB = 3, + HPI_BUS_NET = 4 +}; + +/******************************************* CONTROL ATTRIBUTES ****/ +/* (in order of control type ID */ + + /* This allows for 255 control types, 256 unique attributes each */ +#define HPI_CTL_ATTR(ctl, ai) (HPI_CONTROL_##ctl * 0x100 + ai) + +/* Get the sub-index of the attribute for a control type */ +#define HPI_CTL_ATTR_INDEX(i) (i&0xff) + +/* Generic control attributes. */ + +/** Enable a control. +0=disable, 1=enable +\note generic to all mixer plugins? +*/ +#define HPI_GENERIC_ENABLE HPI_CTL_ATTR(GENERIC, 1) + +/** Enable event generation for a control. +0=disable, 1=enable +\note generic to all controls that can generate events +*/ +#define HPI_GENERIC_EVENT_ENABLE HPI_CTL_ATTR(GENERIC, 2) + +/* Volume Control attributes */ +#define HPI_VOLUME_GAIN HPI_CTL_ATTR(VOLUME, 1) +#define HPI_VOLUME_AUTOFADE HPI_CTL_ATTR(VOLUME, 2) + +/** For HPI_ControlQuery() to get the number of channels of a volume control*/ +#define HPI_VOLUME_NUM_CHANNELS HPI_CTL_ATTR(VOLUME, 6) +#define HPI_VOLUME_RANGE HPI_CTL_ATTR(VOLUME, 10) + +/** Level Control attributes */ +#define HPI_LEVEL_GAIN HPI_CTL_ATTR(LEVEL, 1) +#define HPI_LEVEL_RANGE HPI_CTL_ATTR(LEVEL, 10) + +/* Meter Control attributes */ +/** return RMS signal level */ +#define HPI_METER_RMS HPI_CTL_ATTR(METER, 1) +/** return peak signal level */ +#define HPI_METER_PEAK HPI_CTL_ATTR(METER, 2) +/** ballistics for ALL rms meters on adapter */ +#define HPI_METER_RMS_BALLISTICS HPI_CTL_ATTR(METER, 3) +/** ballistics for ALL peak meters on adapter */ +#define HPI_METER_PEAK_BALLISTICS HPI_CTL_ATTR(METER, 4) + +/** For HPI_ControlQuery() to get the number of channels of a meter control*/ +#define HPI_METER_NUM_CHANNELS HPI_CTL_ATTR(METER, 5) + +/* Multiplexer control attributes */ +#define HPI_MULTIPLEXER_SOURCE HPI_CTL_ATTR(MULTIPLEXER, 1) +#define HPI_MULTIPLEXER_QUERYSOURCE HPI_CTL_ATTR(MULTIPLEXER, 2) + +/** AES/EBU transmitter control attributes */ +/** AESEBU or SPDIF */ +#define HPI_AESEBUTX_FORMAT HPI_CTL_ATTR(AESEBUTX, 1) +#define HPI_AESEBUTX_SAMPLERATE HPI_CTL_ATTR(AESEBUTX, 3) +#define HPI_AESEBUTX_CHANNELSTATUS HPI_CTL_ATTR(AESEBUTX, 4) +#define HPI_AESEBUTX_USERDATA HPI_CTL_ATTR(AESEBUTX, 5) + +/** AES/EBU receiver control attributes */ +#define HPI_AESEBURX_FORMAT HPI_CTL_ATTR(AESEBURX, 1) +#define HPI_AESEBURX_ERRORSTATUS HPI_CTL_ATTR(AESEBURX, 2) +#define HPI_AESEBURX_SAMPLERATE HPI_CTL_ATTR(AESEBURX, 3) +#define HPI_AESEBURX_CHANNELSTATUS HPI_CTL_ATTR(AESEBURX, 4) +#define HPI_AESEBURX_USERDATA HPI_CTL_ATTR(AESEBURX, 5) + +/** \defgroup tuner_defs Tuners +\{ +*/ +/** \defgroup tuner_attrs Tuner control attributes +\{ +*/ +#define HPI_TUNER_BAND HPI_CTL_ATTR(TUNER, 1) +#define HPI_TUNER_FREQ HPI_CTL_ATTR(TUNER, 2) +#define HPI_TUNER_LEVEL HPI_CTL_ATTR(TUNER, 3) +#define HPI_TUNER_AUDIOMUTE HPI_CTL_ATTR(TUNER, 4) +/* use TUNER_STATUS instead */ +#define HPI_TUNER_VIDEO_STATUS HPI_CTL_ATTR(TUNER, 5) +#define HPI_TUNER_GAIN HPI_CTL_ATTR(TUNER, 6) +#define HPI_TUNER_STATUS HPI_CTL_ATTR(TUNER, 7) +#define HPI_TUNER_MODE HPI_CTL_ATTR(TUNER, 8) +/** RDS data. */ +#define HPI_TUNER_RDS HPI_CTL_ATTR(TUNER, 9) +/** Audio pre-emphasis. */ +#define HPI_TUNER_DEEMPHASIS HPI_CTL_ATTR(TUNER, 10) +/** HD Radio tuner program control. */ +#define HPI_TUNER_PROGRAM HPI_CTL_ATTR(TUNER, 11) +/** HD Radio tuner digital signal quality. */ +#define HPI_TUNER_HDRADIO_SIGNAL_QUALITY HPI_CTL_ATTR(TUNER, 12) +/** HD Radio SDK firmware version. */ +#define HPI_TUNER_HDRADIO_SDK_VERSION HPI_CTL_ATTR(TUNER, 13) +/** HD Radio DSP firmware version. */ +#define HPI_TUNER_HDRADIO_DSP_VERSION HPI_CTL_ATTR(TUNER, 14) + +/** \} */ + +/** \defgroup pads_attrs Tuner PADs control attributes +\{ +*/ +/** The text string containing the station/channel combination. */ +#define HPI_PAD_CHANNEL_NAME HPI_CTL_ATTR(PAD, 1) +/** The text string containing the artist. */ +#define HPI_PAD_ARTIST HPI_CTL_ATTR(PAD, 2) +/** The text string containing the title. */ +#define HPI_PAD_TITLE HPI_CTL_ATTR(PAD, 3) +/** The text string containing the comment. */ +#define HPI_PAD_COMMENT HPI_CTL_ATTR(PAD, 4) +/** The integer containing the PTY code. */ +#define HPI_PAD_PROGRAM_TYPE HPI_CTL_ATTR(PAD, 5) +/** The integer containing the program identification. */ +#define HPI_PAD_PROGRAM_ID HPI_CTL_ATTR(PAD, 6) +/** The integer containing whether traffic information is supported. +Contains either 1 or 0. */ +#define HPI_PAD_TA_SUPPORT HPI_CTL_ATTR(PAD, 7) +/** The integer containing whether traffic announcement is in progress. +Contains either 1 or 0. */ +#define HPI_PAD_TA_ACTIVE HPI_CTL_ATTR(PAD, 8) +/** \} */ +/** \} */ + +/* VOX control attributes */ +#define HPI_VOX_THRESHOLD HPI_CTL_ATTR(VOX, 1) + +/*?? channel mode used hpi_multiplexer_source attribute == 1 */ +#define HPI_CHANNEL_MODE_MODE HPI_CTL_ATTR(CHANNEL_MODE, 1) + +/** \defgroup channel_modes Channel Modes +Used for HPI_ChannelModeSet/Get() +\{ +*/ +/** Left channel out = left channel in, Right channel out = right channel in. */ +#define HPI_CHANNEL_MODE_NORMAL 1 +/** Left channel out = right channel in, Right channel out = left channel in. */ +#define HPI_CHANNEL_MODE_SWAP 2 +/** Left channel out = left channel in, Right channel out = left channel in. */ +#define HPI_CHANNEL_MODE_LEFT_TO_STEREO 3 +/** Left channel out = right channel in, Right channel out = right channel in.*/ +#define HPI_CHANNEL_MODE_RIGHT_TO_STEREO 4 +/** Left channel out = (left channel in + right channel in)/2, + Right channel out = mute. */ +#define HPI_CHANNEL_MODE_STEREO_TO_LEFT 5 +/** Left channel out = mute, + Right channel out = (right channel in + left channel in)/2. */ +#define HPI_CHANNEL_MODE_STEREO_TO_RIGHT 6 +#define HPI_CHANNEL_MODE_LAST 6 +/** \} */ + +/* Bitstream control set attributes */ +#define HPI_BITSTREAM_DATA_POLARITY HPI_CTL_ATTR(BITSTREAM, 1) +#define HPI_BITSTREAM_CLOCK_EDGE HPI_CTL_ATTR(BITSTREAM, 2) +#define HPI_BITSTREAM_CLOCK_SOURCE HPI_CTL_ATTR(BITSTREAM, 3) + +#define HPI_POLARITY_POSITIVE 0 +#define HPI_POLARITY_NEGATIVE 1 + +/* Bitstream control get attributes */ +#define HPI_BITSTREAM_ACTIVITY 1 + +/* SampleClock control attributes */ +#define HPI_SAMPLECLOCK_SOURCE HPI_CTL_ATTR(SAMPLECLOCK, 1) +#define HPI_SAMPLECLOCK_SAMPLERATE HPI_CTL_ATTR(SAMPLECLOCK, 2) +#define HPI_SAMPLECLOCK_SOURCE_INDEX HPI_CTL_ATTR(SAMPLECLOCK, 3) +#define HPI_SAMPLECLOCK_LOCAL_SAMPLERATE\ + HPI_CTL_ATTR(SAMPLECLOCK, 4) +#define HPI_SAMPLECLOCK_AUTO HPI_CTL_ATTR(SAMPLECLOCK, 5) +#define HPI_SAMPLECLOCK_LOCAL_LOCK HPI_CTL_ATTR(SAMPLECLOCK, 6) + +/* Microphone control attributes */ +#define HPI_MICROPHONE_PHANTOM_POWER HPI_CTL_ATTR(MICROPHONE, 1) + +/** Equalizer control attributes +*/ +/** Used to get number of filters in an EQ. (Can't set) */ +#define HPI_EQUALIZER_NUM_FILTERS HPI_CTL_ATTR(EQUALIZER, 1) +/** Set/get the filter by type, freq, Q, gain */ +#define HPI_EQUALIZER_FILTER HPI_CTL_ATTR(EQUALIZER, 2) +/** Get the biquad coefficients */ +#define HPI_EQUALIZER_COEFFICIENTS HPI_CTL_ATTR(EQUALIZER, 3) + +#define HPI_COMPANDER_PARAMS HPI_CTL_ATTR(COMPANDER, 1) + +/* Cobranet control attributes. + MUST be distinct from all other control attributes. + This is so that host side processing can easily identify a Cobranet control + and apply additional host side operations (like copying data) as required. +*/ +#define HPI_COBRANET_SET HPI_CTL_ATTR(COBRANET, 1) +#define HPI_COBRANET_GET HPI_CTL_ATTR(COBRANET, 2) +#define HPI_COBRANET_SET_DATA HPI_CTL_ATTR(COBRANET, 3) +#define HPI_COBRANET_GET_DATA HPI_CTL_ATTR(COBRANET, 4) +#define HPI_COBRANET_GET_STATUS HPI_CTL_ATTR(COBRANET, 5) +#define HPI_COBRANET_SEND_PACKET HPI_CTL_ATTR(COBRANET, 6) +#define HPI_COBRANET_GET_PACKET HPI_CTL_ATTR(COBRANET, 7) + +/*------------------------------------------------------------ + Cobranet Chip Bridge - copied from HMI.H +------------------------------------------------------------*/ +#define HPI_COBRANET_HMI_cobra_bridge 0x20000 +#define HPI_COBRANET_HMI_cobra_bridge_tx_pkt_buf \ + (HPI_COBRANET_HMI_cobra_bridge + 0x1000) +#define HPI_COBRANET_HMI_cobra_bridge_rx_pkt_buf \ + (HPI_COBRANET_HMI_cobra_bridge + 0x2000) +#define HPI_COBRANET_HMI_cobra_if_table1 0x110000 +#define HPI_COBRANET_HMI_cobra_if_phy_address \ + (HPI_COBRANET_HMI_cobra_if_table1 + 0xd) +#define HPI_COBRANET_HMI_cobra_protocolIP 0x72000 +#define HPI_COBRANET_HMI_cobra_ip_mon_currentIP \ + (HPI_COBRANET_HMI_cobra_protocolIP + 0x0) +#define HPI_COBRANET_HMI_cobra_ip_mon_staticIP \ + (HPI_COBRANET_HMI_cobra_protocolIP + 0x2) +#define HPI_COBRANET_HMI_cobra_sys 0x100000 +#define HPI_COBRANET_HMI_cobra_sys_desc \ + (HPI_COBRANET_HMI_cobra_sys + 0x0) +#define HPI_COBRANET_HMI_cobra_sys_objectID \ + (HPI_COBRANET_HMI_cobra_sys + 0x100) +#define HPI_COBRANET_HMI_cobra_sys_contact \ + (HPI_COBRANET_HMI_cobra_sys + 0x200) +#define HPI_COBRANET_HMI_cobra_sys_name \ + (HPI_COBRANET_HMI_cobra_sys + 0x300) +#define HPI_COBRANET_HMI_cobra_sys_location \ + (HPI_COBRANET_HMI_cobra_sys + 0x400) + +/*------------------------------------------------------------ + Cobranet Chip Status bits +------------------------------------------------------------*/ +#define HPI_COBRANET_HMI_STATUS_RXPACKET 2 +#define HPI_COBRANET_HMI_STATUS_TXPACKET 3 + +/*------------------------------------------------------------ + Ethernet header size +------------------------------------------------------------*/ +#define HPI_ETHERNET_HEADER_SIZE (16) + +/* These defines are used to fill in protocol information for an Ethernet packet + sent using HMI on CS18102 */ +/** ID supplied by Cirrius for ASI packets. */ +#define HPI_ETHERNET_PACKET_ID 0x85 +/** Simple packet - no special routing required */ +#define HPI_ETHERNET_PACKET_V1 0x01 +/** This packet must make its way to the host across the HPI interface */ +#define HPI_ETHERNET_PACKET_HOSTED_VIA_HMI 0x20 +/** This packet must make its way to the host across the HPI interface */ +#define HPI_ETHERNET_PACKET_HOSTED_VIA_HMI_V1 0x21 +/** This packet must make its way to the host across the HPI interface */ +#define HPI_ETHERNET_PACKET_HOSTED_VIA_HPI 0x40 +/** This packet must make its way to the host across the HPI interface */ +#define HPI_ETHERNET_PACKET_HOSTED_VIA_HPI_V1 0x41 + +#define HPI_ETHERNET_UDP_PORT (44600) /*!< UDP messaging port */ + +/** Base network time out is set to 100 milli-seconds. */ +#define HPI_ETHERNET_TIMEOUT_MS (100) + +/** \defgroup tonedet_attr Tonedetector attributes +\{ +Used by HPI_ToneDetector_Set() and HPI_ToneDetector_Get() +*/ + +/** Set the threshold level of a tonedetector, +Threshold is a -ve number in units of dB/100, +*/ +#define HPI_TONEDETECTOR_THRESHOLD HPI_CTL_ATTR(TONEDETECTOR, 1) + +/** Get the current state of tonedetection +The result is a bitmap of detected tones. pairs of bits represent the left +and right channels, with left channel in LSB. +The lowest frequency detector state is in the LSB +*/ +#define HPI_TONEDETECTOR_STATE HPI_CTL_ATTR(TONEDETECTOR, 2) + +/** Get the frequency of a tonedetector band. +*/ +#define HPI_TONEDETECTOR_FREQUENCY HPI_CTL_ATTR(TONEDETECTOR, 3) + +/**\}*/ + +/** \defgroup silencedet_attr SilenceDetector attributes +\{ +*/ + +/** Get the current state of tonedetection +The result is a bitmap with 1s for silent channels. Left channel is in LSB +*/ +#define HPI_SILENCEDETECTOR_STATE \ + HPI_CTL_ATTR(SILENCEDETECTOR, 2) + +/** Set the threshold level of a SilenceDetector, +Threshold is a -ve number in units of dB/100, +*/ +#define HPI_SILENCEDETECTOR_THRESHOLD \ + HPI_CTL_ATTR(SILENCEDETECTOR, 1) + +/** get/set the silence time before the detector triggers +*/ +#define HPI_SILENCEDETECTOR_DELAY \ + HPI_CTL_ATTR(SILENCEDETECTOR, 3) + +/**\}*/ + +/* Locked memory buffer alloc/free phases */ +/** use one message to allocate or free physical memory */ +#define HPI_BUFFER_CMD_EXTERNAL 0 +/** alloc physical memory */ +#define HPI_BUFFER_CMD_INTERNAL_ALLOC 1 +/** send physical memory address to adapter */ +#define HPI_BUFFER_CMD_INTERNAL_GRANTADAPTER 2 +/** notify adapter to stop using physical buffer */ +#define HPI_BUFFER_CMD_INTERNAL_REVOKEADAPTER 3 +/** free physical buffer */ +#define HPI_BUFFER_CMD_INTERNAL_FREE 4 + +/******************************************* CONTROLX ATTRIBUTES ****/ +/* NOTE: All controlx attributes must be unique, unlike control attributes */ + +/*****************************************************************************/ +/*****************************************************************************/ +/******** HPI LOW LEVEL MESSAGES *******/ +/*****************************************************************************/ +/*****************************************************************************/ +/** Pnp ids */ +/** "ASI" - actual is "ASX" - need to change */ +#define HPI_ID_ISAPNP_AUDIOSCIENCE 0x0669 +/** PCI vendor ID that AudioScience uses */ +#define HPI_PCI_VENDOR_ID_AUDIOSCIENCE 0x175C +/** PCI vendor ID that the DSP56301 has */ +#define HPI_PCI_VENDOR_ID_MOTOROLA 0x1057 +/** PCI vendor ID that TI uses */ +#define HPI_PCI_VENDOR_ID_TI 0x104C + +#define HPI_PCI_DEV_ID_PCI2040 0xAC60 +/** TI's C6205 PCI interface has this ID */ +#define HPI_PCI_DEV_ID_DSP6205 0xA106 + +#define HPI_USB_VENDOR_ID_AUDIOSCIENCE 0x1257 +#define HPI_USB_W2K_TAG 0x57495341 /* "ASIW" */ +#define HPI_USB_LINUX_TAG 0x4C495341 /* "ASIL" */ + +/** First 2 hex digits define the adapter family */ +#define HPI_ADAPTER_FAMILY_MASK 0xff00 + +#define HPI_ADAPTER_FAMILY_ASI(f) (f & HPI_ADAPTER_FAMILY_MASK) +#define HPI_ADAPTER_ASI(f) (f) + +/******************************************* message types */ +#define HPI_TYPE_MESSAGE 1 +#define HPI_TYPE_RESPONSE 2 +#define HPI_TYPE_DATA 3 +#define HPI_TYPE_SSX2BYPASS_MESSAGE 4 + +/******************************************* object types */ +#define HPI_OBJ_SUBSYSTEM 1 +#define HPI_OBJ_ADAPTER 2 +#define HPI_OBJ_OSTREAM 3 +#define HPI_OBJ_ISTREAM 4 +#define HPI_OBJ_MIXER 5 +#define HPI_OBJ_NODE 6 +#define HPI_OBJ_CONTROL 7 +#define HPI_OBJ_NVMEMORY 8 +#define HPI_OBJ_GPIO 9 +#define HPI_OBJ_WATCHDOG 10 +#define HPI_OBJ_CLOCK 11 +#define HPI_OBJ_PROFILE 12 +#define HPI_OBJ_CONTROLEX 13 +#define HPI_OBJ_ASYNCEVENT 14 + +#define HPI_OBJ_MAXINDEX 14 + +/******************************************* methods/functions */ + +#define HPI_OBJ_FUNCTION_SPACING 0x100 +#define HPI_MAKE_INDEX(obj, index) (obj * HPI_OBJ_FUNCTION_SPACING + index) +#define HPI_EXTRACT_INDEX(fn) (fn & 0xff) + +/* SUB-SYSTEM */ +#define HPI_SUBSYS_OPEN HPI_MAKE_INDEX(HPI_OBJ_SUBSYSTEM, 1) +#define HPI_SUBSYS_GET_VERSION HPI_MAKE_INDEX(HPI_OBJ_SUBSYSTEM, 2) +#define HPI_SUBSYS_GET_INFO HPI_MAKE_INDEX(HPI_OBJ_SUBSYSTEM, 3) +#define HPI_SUBSYS_FIND_ADAPTERS HPI_MAKE_INDEX(HPI_OBJ_SUBSYSTEM, 4) +#define HPI_SUBSYS_CREATE_ADAPTER HPI_MAKE_INDEX(HPI_OBJ_SUBSYSTEM, 5) +#define HPI_SUBSYS_CLOSE HPI_MAKE_INDEX(HPI_OBJ_SUBSYSTEM, 6) +#define HPI_SUBSYS_DELETE_ADAPTER HPI_MAKE_INDEX(HPI_OBJ_SUBSYSTEM, 7) +#define HPI_SUBSYS_DRIVER_LOAD HPI_MAKE_INDEX(HPI_OBJ_SUBSYSTEM, 8) +#define HPI_SUBSYS_DRIVER_UNLOAD HPI_MAKE_INDEX(HPI_OBJ_SUBSYSTEM, 9) +#define HPI_SUBSYS_READ_PORT_8 HPI_MAKE_INDEX(HPI_OBJ_SUBSYSTEM, 10) +#define HPI_SUBSYS_WRITE_PORT_8 HPI_MAKE_INDEX(HPI_OBJ_SUBSYSTEM, 11) +#define HPI_SUBSYS_GET_NUM_ADAPTERS HPI_MAKE_INDEX(HPI_OBJ_SUBSYSTEM, 12) +#define HPI_SUBSYS_GET_ADAPTER HPI_MAKE_INDEX(HPI_OBJ_SUBSYSTEM, 13) +#define HPI_SUBSYS_SET_NETWORK_INTERFACE HPI_MAKE_INDEX(HPI_OBJ_SUBSYSTEM, 14) +#define HPI_SUBSYS_FUNCTION_COUNT 14 +/* ADAPTER */ +#define HPI_ADAPTER_OPEN HPI_MAKE_INDEX(HPI_OBJ_ADAPTER, 1) +#define HPI_ADAPTER_CLOSE HPI_MAKE_INDEX(HPI_OBJ_ADAPTER, 2) +#define HPI_ADAPTER_GET_INFO HPI_MAKE_INDEX(HPI_OBJ_ADAPTER, 3) +#define HPI_ADAPTER_GET_ASSERT HPI_MAKE_INDEX(HPI_OBJ_ADAPTER, 4) +#define HPI_ADAPTER_TEST_ASSERT HPI_MAKE_INDEX(HPI_OBJ_ADAPTER, 5) +#define HPI_ADAPTER_SET_MODE HPI_MAKE_INDEX(HPI_OBJ_ADAPTER, 6) +#define HPI_ADAPTER_GET_MODE HPI_MAKE_INDEX(HPI_OBJ_ADAPTER, 7) +#define HPI_ADAPTER_ENABLE_CAPABILITY HPI_MAKE_INDEX(HPI_OBJ_ADAPTER, 8) +#define HPI_ADAPTER_SELFTEST HPI_MAKE_INDEX(HPI_OBJ_ADAPTER, 9) +#define HPI_ADAPTER_FIND_OBJECT HPI_MAKE_INDEX(HPI_OBJ_ADAPTER, 10) +#define HPI_ADAPTER_QUERY_FLASH HPI_MAKE_INDEX(HPI_OBJ_ADAPTER, 11) +#define HPI_ADAPTER_START_FLASH HPI_MAKE_INDEX(HPI_OBJ_ADAPTER, 12) +#define HPI_ADAPTER_PROGRAM_FLASH HPI_MAKE_INDEX(HPI_OBJ_ADAPTER, 13) +#define HPI_ADAPTER_SET_PROPERTY HPI_MAKE_INDEX(HPI_OBJ_ADAPTER, 14) +#define HPI_ADAPTER_GET_PROPERTY HPI_MAKE_INDEX(HPI_OBJ_ADAPTER, 15) +#define HPI_ADAPTER_ENUM_PROPERTY HPI_MAKE_INDEX(HPI_OBJ_ADAPTER, 16) +#define HPI_ADAPTER_MODULE_INFO HPI_MAKE_INDEX(HPI_OBJ_ADAPTER, 17) +#define HPI_ADAPTER_DEBUG_READ HPI_MAKE_INDEX(HPI_OBJ_ADAPTER, 18) +#define HPI_ADAPTER_FUNCTION_COUNT 18 +/* OUTPUT STREAM */ +#define HPI_OSTREAM_OPEN HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 1) +#define HPI_OSTREAM_CLOSE HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 2) +#define HPI_OSTREAM_WRITE HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 3) +#define HPI_OSTREAM_START HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 4) +#define HPI_OSTREAM_STOP HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 5) +#define HPI_OSTREAM_RESET HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 6) +#define HPI_OSTREAM_GET_INFO HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 7) +#define HPI_OSTREAM_QUERY_FORMAT HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 8) +#define HPI_OSTREAM_DATA HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 9) +#define HPI_OSTREAM_SET_VELOCITY HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 10) +#define HPI_OSTREAM_SET_PUNCHINOUT HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 11) +#define HPI_OSTREAM_SINEGEN HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 12) +#define HPI_OSTREAM_ANC_RESET HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 13) +#define HPI_OSTREAM_ANC_GET_INFO HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 14) +#define HPI_OSTREAM_ANC_READ HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 15) +#define HPI_OSTREAM_SET_TIMESCALE HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 16) +#define HPI_OSTREAM_SET_FORMAT HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 17) +#define HPI_OSTREAM_HOSTBUFFER_ALLOC HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 18) +#define HPI_OSTREAM_HOSTBUFFER_FREE HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 19) +#define HPI_OSTREAM_GROUP_ADD HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 20) +#define HPI_OSTREAM_GROUP_GETMAP HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 21) +#define HPI_OSTREAM_GROUP_RESET HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 22) +#define HPI_OSTREAM_HOSTBUFFER_GET_INFO HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 23) +#define HPI_OSTREAM_WAIT_START HPI_MAKE_INDEX(HPI_OBJ_OSTREAM, 24) +#define HPI_OSTREAM_FUNCTION_COUNT 24 +/* INPUT STREAM */ +#define HPI_ISTREAM_OPEN HPI_MAKE_INDEX(HPI_OBJ_ISTREAM, 1) +#define HPI_ISTREAM_CLOSE HPI_MAKE_INDEX(HPI_OBJ_ISTREAM, 2) +#define HPI_ISTREAM_SET_FORMAT HPI_MAKE_INDEX(HPI_OBJ_ISTREAM, 3) +#define HPI_ISTREAM_READ HPI_MAKE_INDEX(HPI_OBJ_ISTREAM, 4) +#define HPI_ISTREAM_START HPI_MAKE_INDEX(HPI_OBJ_ISTREAM, 5) +#define HPI_ISTREAM_STOP HPI_MAKE_INDEX(HPI_OBJ_ISTREAM, 6) +#define HPI_ISTREAM_RESET HPI_MAKE_INDEX(HPI_OBJ_ISTREAM, 7) +#define HPI_ISTREAM_GET_INFO HPI_MAKE_INDEX(HPI_OBJ_ISTREAM, 8) +#define HPI_ISTREAM_QUERY_FORMAT HPI_MAKE_INDEX(HPI_OBJ_ISTREAM, 9) +#define HPI_ISTREAM_ANC_RESET HPI_MAKE_INDEX(HPI_OBJ_ISTREAM, 10) +#define HPI_ISTREAM_ANC_GET_INFO HPI_MAKE_INDEX(HPI_OBJ_ISTREAM, 11) +#define HPI_ISTREAM_ANC_WRITE HPI_MAKE_INDEX(HPI_OBJ_ISTREAM, 12) +#define HPI_ISTREAM_HOSTBUFFER_ALLOC HPI_MAKE_INDEX(HPI_OBJ_ISTREAM, 13) +#define HPI_ISTREAM_HOSTBUFFER_FREE HPI_MAKE_INDEX(HPI_OBJ_ISTREAM, 14) +#define HPI_ISTREAM_GROUP_ADD HPI_MAKE_INDEX(HPI_OBJ_ISTREAM, 15) +#define HPI_ISTREAM_GROUP_GETMAP HPI_MAKE_INDEX(HPI_OBJ_ISTREAM, 16) +#define HPI_ISTREAM_GROUP_RESET HPI_MAKE_INDEX(HPI_OBJ_ISTREAM, 17) +#define HPI_ISTREAM_HOSTBUFFER_GET_INFO HPI_MAKE_INDEX(HPI_OBJ_ISTREAM, 18) +#define HPI_ISTREAM_WAIT_START HPI_MAKE_INDEX(HPI_OBJ_ISTREAM, 19) +#define HPI_ISTREAM_FUNCTION_COUNT 19 +/* MIXER */ +/* NOTE: + GET_NODE_INFO, SET_CONNECTION, GET_CONNECTIONS are not currently used */ +#define HPI_MIXER_OPEN HPI_MAKE_INDEX(HPI_OBJ_MIXER, 1) +#define HPI_MIXER_CLOSE HPI_MAKE_INDEX(HPI_OBJ_MIXER, 2) +#define HPI_MIXER_GET_INFO HPI_MAKE_INDEX(HPI_OBJ_MIXER, 3) +#define HPI_MIXER_GET_NODE_INFO HPI_MAKE_INDEX(HPI_OBJ_MIXER, 4) +#define HPI_MIXER_GET_CONTROL HPI_MAKE_INDEX(HPI_OBJ_MIXER, 5) +#define HPI_MIXER_SET_CONNECTION HPI_MAKE_INDEX(HPI_OBJ_MIXER, 6) +#define HPI_MIXER_GET_CONNECTIONS HPI_MAKE_INDEX(HPI_OBJ_MIXER, 7) +#define HPI_MIXER_GET_CONTROL_BY_INDEX HPI_MAKE_INDEX(HPI_OBJ_MIXER, 8) +#define HPI_MIXER_GET_CONTROL_ARRAY_BY_INDEX HPI_MAKE_INDEX(HPI_OBJ_MIXER, 9) +#define HPI_MIXER_GET_CONTROL_MULTIPLE_VALUES HPI_MAKE_INDEX(HPI_OBJ_MIXER, 10) +#define HPI_MIXER_STORE HPI_MAKE_INDEX(HPI_OBJ_MIXER, 11) +#define HPI_MIXER_FUNCTION_COUNT 11 +/* MIXER CONTROLS */ +#define HPI_CONTROL_GET_INFO HPI_MAKE_INDEX(HPI_OBJ_CONTROL, 1) +#define HPI_CONTROL_GET_STATE HPI_MAKE_INDEX(HPI_OBJ_CONTROL, 2) +#define HPI_CONTROL_SET_STATE HPI_MAKE_INDEX(HPI_OBJ_CONTROL, 3) +#define HPI_CONTROL_FUNCTION_COUNT 3 +/* NONVOL MEMORY */ +#define HPI_NVMEMORY_OPEN HPI_MAKE_INDEX(HPI_OBJ_NVMEMORY, 1) +#define HPI_NVMEMORY_READ_BYTE HPI_MAKE_INDEX(HPI_OBJ_NVMEMORY, 2) +#define HPI_NVMEMORY_WRITE_BYTE HPI_MAKE_INDEX(HPI_OBJ_NVMEMORY, 3) +#define HPI_NVMEMORY_FUNCTION_COUNT 3 +/* GPIO */ +#define HPI_GPIO_OPEN HPI_MAKE_INDEX(HPI_OBJ_GPIO, 1) +#define HPI_GPIO_READ_BIT HPI_MAKE_INDEX(HPI_OBJ_GPIO, 2) +#define HPI_GPIO_WRITE_BIT HPI_MAKE_INDEX(HPI_OBJ_GPIO, 3) +#define HPI_GPIO_READ_ALL HPI_MAKE_INDEX(HPI_OBJ_GPIO, 4) +#define HPI_GPIO_WRITE_STATUS HPI_MAKE_INDEX(HPI_OBJ_GPIO, 5) +#define HPI_GPIO_FUNCTION_COUNT 5 +/* ASYNC EVENT */ +#define HPI_ASYNCEVENT_OPEN HPI_MAKE_INDEX(HPI_OBJ_ASYNCEVENT, 1) +#define HPI_ASYNCEVENT_CLOSE HPI_MAKE_INDEX(HPI_OBJ_ASYNCEVENT, 2) +#define HPI_ASYNCEVENT_WAIT HPI_MAKE_INDEX(HPI_OBJ_ASYNCEVENT, 3) +#define HPI_ASYNCEVENT_GETCOUNT HPI_MAKE_INDEX(HPI_OBJ_ASYNCEVENT, 4) +#define HPI_ASYNCEVENT_GET HPI_MAKE_INDEX(HPI_OBJ_ASYNCEVENT, 5) +#define HPI_ASYNCEVENT_SENDEVENTS HPI_MAKE_INDEX(HPI_OBJ_ASYNCEVENT, 6) +#define HPI_ASYNCEVENT_FUNCTION_COUNT 6 +/* WATCH-DOG */ +#define HPI_WATCHDOG_OPEN HPI_MAKE_INDEX(HPI_OBJ_WATCHDOG, 1) +#define HPI_WATCHDOG_SET_TIME HPI_MAKE_INDEX(HPI_OBJ_WATCHDOG, 2) +#define HPI_WATCHDOG_PING HPI_MAKE_INDEX(HPI_OBJ_WATCHDOG, 3) +/* CLOCK */ +#define HPI_CLOCK_OPEN HPI_MAKE_INDEX(HPI_OBJ_CLOCK, 1) +#define HPI_CLOCK_SET_TIME HPI_MAKE_INDEX(HPI_OBJ_CLOCK, 2) +#define HPI_CLOCK_GET_TIME HPI_MAKE_INDEX(HPI_OBJ_CLOCK, 3) +/* PROFILE */ +#define HPI_PROFILE_OPEN_ALL HPI_MAKE_INDEX(HPI_OBJ_PROFILE, 1) +#define HPI_PROFILE_START_ALL HPI_MAKE_INDEX(HPI_OBJ_PROFILE, 2) +#define HPI_PROFILE_STOP_ALL HPI_MAKE_INDEX(HPI_OBJ_PROFILE, 3) +#define HPI_PROFILE_GET HPI_MAKE_INDEX(HPI_OBJ_PROFILE, 4) +#define HPI_PROFILE_GET_IDLECOUNT HPI_MAKE_INDEX(HPI_OBJ_PROFILE, 5) +#define HPI_PROFILE_GET_NAME HPI_MAKE_INDEX(HPI_OBJ_PROFILE, 6) +#define HPI_PROFILE_GET_UTILIZATION HPI_MAKE_INDEX(HPI_OBJ_PROFILE, 7) +#define HPI_PROFILE_FUNCTION_COUNT 7 +/* ////////////////////////////////////////////////////////////////////// */ +/* PRIVATE ATTRIBUTES */ + +/* ////////////////////////////////////////////////////////////////////// */ +/* STRUCTURES */ +#ifndef DISABLE_PRAGMA_PACK1 +#pragma pack(push, 1) +#endif + +/** PCI bus resource */ +struct hpi_pci { + u32 __iomem *ap_mem_base[HPI_MAX_ADAPTER_MEM_SPACES]; + struct pci_dev *p_os_data; + +#ifndef HPI64BIT /* keep structure size constant */ + u32 padding[HPI_MAX_ADAPTER_MEM_SPACES + 1]; +#endif + u16 vendor_id; + u16 device_id; + u16 subsys_vendor_id; + u16 subsys_device_id; + u16 bus_number; + u16 device_number; + u32 interrupt; +}; + +struct hpi_resource { + union { + const struct hpi_pci *pci; + const char *net_if; + } r; +#ifndef HPI64BIT /* keep structure size constant */ + u32 pad_to64; +#endif + u16 bus_type; /* HPI_BUS_PNPISA, _PCI, _USB etc */ + u16 padding; + +}; + +/** Format info used inside struct hpi_message + Not the same as public API struct hpi_format */ +struct hpi_msg_format { + u32 sample_rate; + /**< 11025, 32000, 44100 ... */ + u32 bit_rate; /**< for MPEG */ + u32 attributes; + /**< Stereo/JointStereo/Mono */ + u16 channels; /**< 1,2..., (or ancillary mode or idle bit */ + u16 format; /**< HPI_FORMAT_PCM16, _MPEG etc. see \ref HPI_FORMATS. */ +}; + +/** Buffer+format structure. + Must be kept 7 * 32 bits to match public struct hpi_datastruct */ +struct hpi_msg_data { + struct hpi_msg_format format; + u8 *pb_data; +#ifndef HPI64BIT + u32 padding; +#endif + u32 data_size; +}; + +/** struct hpi_datastructure used up to 3.04 driver */ +struct hpi_data_legacy32 { + struct hpi_format format; + u32 pb_data; + u32 data_size; +}; + +#ifdef HPI64BIT +/* Compatibility version of struct hpi_data*/ +struct hpi_data_compat32 { + struct hpi_msg_format format; + u32 pb_data; + u32 padding; + u32 data_size; +}; +#endif + +struct hpi_buffer { + /** placehoder for backward compatability (see dwBufferSize) */ + struct hpi_msg_format reserved; + u32 command; /**< HPI_BUFFER_CMD_xxx*/ + u32 pci_address; /**< PCI physical address of buffer for DSP DMA */ + u32 buffer_size; /**< must line up with data_size of HPI_DATA*/ +}; + +/*/////////////////////////////////////////////////////////////////////////// */ +/* This is used for background buffer bus mastering stream buffers. */ +struct hpi_hostbuffer_status { + u32 samples_processed; + u32 auxiliary_data_available; + u32 stream_state; + /* DSP index in to the host bus master buffer. */ + u32 dSP_index; + /* Host index in to the host bus master buffer. */ + u32 host_index; + u32 size_in_bytes; +}; + +struct hpi_streamid { + u16 object_type; + /**< Type of object, HPI_OBJ_OSTREAM or HPI_OBJ_ISTREAM. */ + u16 stream_index; /**< outstream or instream index. */ +}; + +struct hpi_punchinout { + u32 punch_in_sample; + u32 punch_out_sample; +}; + +struct hpi_subsys_msg { + struct hpi_resource resource; +}; + +struct hpi_subsys_res { + u32 version; + u32 data; /* used to return extended version */ + u16 num_adapters; /* number of adapters */ + u16 adapter_index; + u16 aw_adapter_list[HPI_MAX_ADAPTERS]; +}; + +struct hpi_adapter_msg { + u32 adapter_mode; /* adapter mode */ + u16 assert_id; /* assert number for "test assert" call + object_index for find object call + query_or_set for hpi_adapter_set_mode_ex() */ + u16 object_type; /* for adapter find object call */ +}; + +union hpi_adapterx_msg { + struct hpi_adapter_msg adapter; + struct { + u32 offset; + } query_flash; + struct { + u32 offset; + u32 length; + u32 key; + } start_flash; + struct { + u32 checksum; + u16 sequence; + u16 length; + u16 offset; /**< offset from start of msg to data */ + u16 unused; + } program_flash; + struct { + u16 property; + u16 parameter1; + u16 parameter2; + } property_set; + struct { + u16 index; + u16 what; + u16 property_index; + } property_enum; + struct { + u16 index; + } module_info; + struct { + u32 dsp_address; + u32 count_bytes; + } debug_read; +}; + +struct hpi_adapter_res { + u32 serial_number; + u16 adapter_type; + u16 adapter_index; /* is this needed? also used for dsp_index */ + u16 num_instreams; + u16 num_outstreams; + u16 num_mixers; + u16 version; + u8 sz_adapter_assert[HPI_STRING_LEN]; +}; + +union hpi_adapterx_res { + struct hpi_adapter_res adapter; + struct { + u32 checksum; + u32 length; + u32 version; + } query_flash; + struct { + u16 sequence; + } program_flash; + struct { + u16 parameter1; + u16 parameter2; + } property_get; +}; + +struct hpi_stream_msg { + union { + struct hpi_msg_data data; + struct hpi_data_legacy32 data32; + u16 velocity; + struct hpi_punchinout pio; + u32 time_scale; + struct hpi_buffer buffer; + struct hpi_streamid stream; + } u; +}; + +struct hpi_stream_res { + union { + struct { + /* size of hardware buffer */ + u32 buffer_size; + /* OutStream - data to play, + InStream - data recorded */ + u32 data_available; + /* OutStream - samples played, + InStream - samples recorded */ + u32 samples_transferred; + /* Adapter - OutStream - data to play, + InStream - data recorded */ + u32 auxiliary_data_available; + u16 state; /* HPI_STATE_PLAYING, _STATE_STOPPED */ + u16 padding; + } stream_info; + struct { + u32 buffer_size; + u32 data_available; + u32 samples_transfered; + u16 state; + u16 outstream_index; + u16 instream_index; + u16 padding; + u32 auxiliary_data_available; + } legacy_stream_info; + struct { + /* bitmap of grouped OutStreams */ + u32 outstream_group_map; + /* bitmap of grouped InStreams */ + u32 instream_group_map; + } group_info; + struct { + /* pointer to the buffer */ + u8 *p_buffer; + /* pointer to the hostbuffer status */ + struct hpi_hostbuffer_status *p_status; + } hostbuffer_info; + } u; +}; + +struct hpi_mixer_msg { + u16 control_index; + u16 control_type; /* = HPI_CONTROL_METER _VOLUME etc */ + u16 padding1; /* maintain alignment of subsequent fields */ + u16 node_type1; /* = HPI_SOURCENODE_LINEIN etc */ + u16 node_index1; /* = 0..N */ + u16 node_type2; + u16 node_index2; + u16 padding2; /* round to 4 bytes */ +}; + +struct hpi_mixer_res { + u16 src_node_type; /* = HPI_SOURCENODE_LINEIN etc */ + u16 src_node_index; /* = 0..N */ + u16 dst_node_type; + u16 dst_node_index; + /* Also controlType for MixerGetControlByIndex */ + u16 control_index; + /* may indicate which DSP the control is located on */ + u16 dsp_index; +}; + +union hpi_mixerx_msg { + struct { + u16 starting_index; + u16 flags; + u32 length_in_bytes; /* length in bytes of p_data */ + u32 p_data; /* pointer to a data array */ + } gcabi; + struct { + u16 command; + u16 index; + } store; /* for HPI_MIXER_STORE message */ +}; + +union hpi_mixerx_res { + struct { + u32 bytes_returned; /* size of items returned */ + u32 p_data; /* pointer to data array */ + u16 more_to_do; /* indicates if there is more to do */ + } gcabi; +}; + +struct hpi_control_msg { + u16 attribute; /* control attribute or property */ + u16 saved_index; + u32 param1; /* generic parameter 1 */ + u32 param2; /* generic parameter 2 */ + short an_log_value[HPI_MAX_CHANNELS]; +}; + +struct hpi_control_union_msg { + u16 attribute; /* control attribute or property */ + u16 saved_index; /* only used in ctrl save/restore */ + union { + struct { + u32 param1; /* generic parameter 1 */ + u32 param2; /* generic parameter 2 */ + short an_log_value[HPI_MAX_CHANNELS]; + } old; + union { + u32 frequency; + u32 gain; + u32 band; + u32 deemphasis; + u32 program; + struct { + u32 mode; + u32 value; + } mode; + } tuner; + } u; +}; + +struct hpi_control_res { + /* Could make union. dwParam, anLogValue never used in same response */ + u32 param1; + u32 param2; + short an_log_value[HPI_MAX_CHANNELS]; +}; + +union hpi_control_union_res { + struct { + u32 param1; + u32 param2; + short an_log_value |