// SPDX-License-Identifier: GPL-2.0-only /****************************************************************************** AudioScience HPI driver Copyright (C) 1997-2011 AudioScience Inc. <[email protected]> Hardware Programming Interface (HPI) for AudioScience ASI6200 series adapters. These PCI bus adapters are based on the TI C6711 DSP. Exported functions: void HPI_6000(struct hpi_message *phm, struct hpi_response *phr) #defines HIDE_PCI_ASSERTS to show the PCI asserts PROFILE_DSP2 get profile data from DSP2 if present (instead of DSP 1) (C) Copyright AudioScience Inc. 1998-2003 *******************************************************************************/ #define SOURCEFILE_NAME … #include "hpi_internal.h" #include "hpimsginit.h" #include "hpidebug.h" #include "hpi6000.h" #include "hpidspcd.h" #include "hpicmn.h" #define HPI_HIF_BASE … #define HPI_HIF_ADDR(member) … #define HPI_HIF_ERROR_MASK … /* HPI6000 specific error codes */ #define HPI6000_ERROR_BASE … /* operational/messaging errors */ #define HPI6000_ERROR_MSG_RESP_IDLE_TIMEOUT … #define HPI6000_ERROR_RESP_GET_LEN … #define HPI6000_ERROR_MSG_RESP_GET_RESP_ACK … #define HPI6000_ERROR_MSG_GET_ADR … #define HPI6000_ERROR_RESP_GET_ADR … #define HPI6000_ERROR_MSG_RESP_BLOCKWRITE32 … #define HPI6000_ERROR_MSG_RESP_BLOCKREAD32 … #define HPI6000_ERROR_CONTROL_CACHE_PARAMS … #define HPI6000_ERROR_SEND_DATA_IDLE_TIMEOUT … #define HPI6000_ERROR_SEND_DATA_ACK … #define HPI6000_ERROR_SEND_DATA_ADR … #define HPI6000_ERROR_SEND_DATA_TIMEOUT … #define HPI6000_ERROR_SEND_DATA_CMD … #define HPI6000_ERROR_SEND_DATA_WRITE … #define HPI6000_ERROR_SEND_DATA_IDLECMD … #define HPI6000_ERROR_GET_DATA_IDLE_TIMEOUT … #define HPI6000_ERROR_GET_DATA_ACK … #define HPI6000_ERROR_GET_DATA_CMD … #define HPI6000_ERROR_GET_DATA_READ … #define HPI6000_ERROR_GET_DATA_IDLECMD … #define HPI6000_ERROR_CONTROL_CACHE_ADDRLEN … #define HPI6000_ERROR_CONTROL_CACHE_READ … #define HPI6000_ERROR_CONTROL_CACHE_FLUSH … #define HPI6000_ERROR_MSG_RESP_GETRESPCMD … #define HPI6000_ERROR_MSG_RESP_IDLECMD … /* Initialisation/bootload errors */ #define HPI6000_ERROR_UNHANDLED_SUBSYS_ID … /* can't access PCI2040 */ #define HPI6000_ERROR_INIT_PCI2040 … /* can't access DSP HPI i/f */ #define HPI6000_ERROR_INIT_DSPHPI … /* can't access internal DSP memory */ #define HPI6000_ERROR_INIT_DSPINTMEM … /* can't access SDRAM - test#1 */ #define HPI6000_ERROR_INIT_SDRAM1 … /* can't access SDRAM - test#2 */ #define HPI6000_ERROR_INIT_SDRAM2 … #define HPI6000_ERROR_INIT_VERIFY … #define HPI6000_ERROR_INIT_NOACK … #define HPI6000_ERROR_INIT_PLDTEST1 … #define HPI6000_ERROR_INIT_PLDTEST2 … /* local defines */ #define HIDE_PCI_ASSERTS #define PROFILE_DSP2 /* for PCI2040 i/f chip */ /* HPI CSR registers */ /* word offsets from CSR base */ /* use when io addresses defined as u32 * */ #define INTERRUPT_EVENT_SET … #define INTERRUPT_EVENT_CLEAR … #define INTERRUPT_MASK_SET … #define INTERRUPT_MASK_CLEAR … #define HPI_ERROR_REPORT … #define HPI_RESET … #define HPI_DATA_WIDTH … #define MAX_DSPS … /* HPI registers, spaced 8K bytes = 2K words apart */ #define DSP_SPACING … #define CONTROL … #define ADDRESS … #define DATA_AUTOINC … #define DATA … #define TIMEOUT … struct dsp_obj { … }; struct hpi_hw_obj { … }; static u16 hpi6000_dsp_block_write32(struct hpi_adapter_obj *pao, u16 dsp_index, u32 hpi_address, u32 *source, u32 count); static u16 hpi6000_dsp_block_read32(struct hpi_adapter_obj *pao, u16 dsp_index, u32 hpi_address, u32 *dest, u32 count); static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao, u32 *pos_error_code); static short hpi6000_check_PCI2040_error_flag(struct hpi_adapter_obj *pao, u16 read_or_write); #define H6READ … #define H6WRITE … static short hpi6000_update_control_cache(struct hpi_adapter_obj *pao, struct hpi_message *phm); static short hpi6000_message_response_sequence(struct hpi_adapter_obj *pao, u16 dsp_index, struct hpi_message *phm, struct hpi_response *phr); static void hw_message(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr); static short hpi6000_wait_dsp_ack(struct hpi_adapter_obj *pao, u16 dsp_index, u32 ack_value); static short hpi6000_send_host_command(struct hpi_adapter_obj *pao, u16 dsp_index, u32 host_cmd); static void hpi6000_send_dsp_interrupt(struct dsp_obj *pdo); static short hpi6000_send_data(struct hpi_adapter_obj *pao, u16 dsp_index, struct hpi_message *phm, struct hpi_response *phr); static short hpi6000_get_data(struct hpi_adapter_obj *pao, u16 dsp_index, struct hpi_message *phm, struct hpi_response *phr); static void hpi_write_word(struct dsp_obj *pdo, u32 address, u32 data); static u32 hpi_read_word(struct dsp_obj *pdo, u32 address); static void hpi_write_block(struct dsp_obj *pdo, u32 address, u32 *pdata, u32 length); static void hpi_read_block(struct dsp_obj *pdo, u32 address, u32 *pdata, u32 length); static void subsys_create_adapter(struct hpi_message *phm, struct hpi_response *phr); static void adapter_delete(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr); static void adapter_get_asserts(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr); static short create_adapter_obj(struct hpi_adapter_obj *pao, u32 *pos_error_code); static void delete_adapter_obj(struct hpi_adapter_obj *pao); /* local globals */ static u16 gw_pci_read_asserts; /* used to count PCI2040 errors */ static u16 gw_pci_write_asserts; /* used to count PCI2040 errors */ static void subsys_message(struct hpi_message *phm, struct hpi_response *phr) { … } static void control_message(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } static void adapter_message(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } static void outstream_message(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } static void instream_message(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } /************************************************************************/ /** HPI_6000() * Entry point from HPIMAN * All calls to the HPI start here */ void HPI_6000(struct hpi_message *phm, struct hpi_response *phr) { … } /************************************************************************/ /* SUBSYSTEM */ /* create an adapter object and initialise it based on resource information * passed in the message * NOTE - you cannot use this function AND the FindAdapters function at the * same time, the application must use only one of them to get the adapters */ static void subsys_create_adapter(struct hpi_message *phm, struct hpi_response *phr) { … } static void adapter_delete(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } /* this routine is called from SubSysFindAdapter and SubSysCreateAdapter */ static short create_adapter_obj(struct hpi_adapter_obj *pao, u32 *pos_error_code) { … } static void delete_adapter_obj(struct hpi_adapter_obj *pao) { … } /************************************************************************/ /* ADAPTER */ static void adapter_get_asserts(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } /************************************************************************/ /* LOW-LEVEL */ static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao, u32 *pos_error_code) { … } #define PCI_TIMEOUT … static int hpi_set_address(struct dsp_obj *pdo, u32 address) { … } /* write one word to the HPI port */ static void hpi_write_word(struct dsp_obj *pdo, u32 address, u32 data) { … } /* read one word from the HPI port */ static u32 hpi_read_word(struct dsp_obj *pdo, u32 address) { … } /* write a block of 32bit words to the DSP HPI port using auto-inc mode */ static void hpi_write_block(struct dsp_obj *pdo, u32 address, u32 *pdata, u32 length) { … } /** read a block of 32bit words from the DSP HPI port using auto-inc mode */ static void hpi_read_block(struct dsp_obj *pdo, u32 address, u32 *pdata, u32 length) { … } static u16 hpi6000_dsp_block_write32(struct hpi_adapter_obj *pao, u16 dsp_index, u32 hpi_address, u32 *source, u32 count) { … } static u16 hpi6000_dsp_block_read32(struct hpi_adapter_obj *pao, u16 dsp_index, u32 hpi_address, u32 *dest, u32 count) { … } static short hpi6000_message_response_sequence(struct hpi_adapter_obj *pao, u16 dsp_index, struct hpi_message *phm, struct hpi_response *phr) { … } /* have to set up the below defines to match stuff in the MAP file */ #define MSG_ADDRESS … #define MSG_LENGTH … #define RESP_ADDRESS … #define RESP_LENGTH … #define QUEUE_START … #define QUEUE_SIZE … static short hpi6000_send_data_check_adr(u32 address, u32 length_in_dwords) { … } static short hpi6000_send_data(struct hpi_adapter_obj *pao, u16 dsp_index, struct hpi_message *phm, struct hpi_response *phr) { … } static short hpi6000_get_data(struct hpi_adapter_obj *pao, u16 dsp_index, struct hpi_message *phm, struct hpi_response *phr) { … } static void hpi6000_send_dsp_interrupt(struct dsp_obj *pdo) { … } static short hpi6000_send_host_command(struct hpi_adapter_obj *pao, u16 dsp_index, u32 host_cmd) { … } /* if the PCI2040 has recorded an HPI timeout, reset the error and return 1 */ static short hpi6000_check_PCI2040_error_flag(struct hpi_adapter_obj *pao, u16 read_or_write) { … } static short hpi6000_wait_dsp_ack(struct hpi_adapter_obj *pao, u16 dsp_index, u32 ack_value) { … } static short hpi6000_update_control_cache(struct hpi_adapter_obj *pao, struct hpi_message *phm) { … } /** Get dsp index for multi DSP adapters only */ static u16 get_dsp_index(struct hpi_adapter_obj *pao, struct hpi_message *phm) { … } /** Complete transaction with DSP Send message, get response, send or get stream data if any. */ static void hw_message(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … }
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