// SPDX-License-Identifier: GPL-2.0-only /****************************************************************************** AudioScience HPI driver Copyright (C) 1997-2014 AudioScience Inc. <[email protected]> Hardware Programming Interface (HPI) for AudioScience ASI50xx, AS51xx, ASI6xxx, ASI87xx ASI89xx series adapters. These PCI and PCIe bus adapters are based on a TMS320C6205 PCI bus mastering DSP, and (except ASI50xx) TI TMS320C6xxx floating point DSP Exported function: void HPI_6205(struct hpi_message *phm, struct hpi_response *phr) (C) Copyright AudioScience Inc. 1998-2010 *******************************************************************************/ #define SOURCEFILE_NAME … #include "hpi_internal.h" #include "hpimsginit.h" #include "hpidebug.h" #include "hpi6205.h" #include "hpidspcd.h" #include "hpicmn.h" /*****************************************************************************/ /* HPI6205 specific error codes */ #define HPI6205_ERROR_BASE … /* operational/messaging errors */ #define HPI6205_ERROR_MSG_RESP_IDLE_TIMEOUT … #define HPI6205_ERROR_MSG_RESP_TIMEOUT … /* initialization/bootload errors */ #define HPI6205_ERROR_6205_NO_IRQ … #define HPI6205_ERROR_6205_INIT_FAILED … #define HPI6205_ERROR_6205_REG … #define HPI6205_ERROR_6205_DSPPAGE … #define HPI6205_ERROR_C6713_HPIC … #define HPI6205_ERROR_C6713_HPIA … #define HPI6205_ERROR_C6713_PLL … #define HPI6205_ERROR_DSP_INTMEM … #define HPI6205_ERROR_DSP_EXTMEM … #define HPI6205_ERROR_DSP_PLD … #define HPI6205_ERROR_6205_EEPROM … #define HPI6205_ERROR_DSP_EMIF1 … #define HPI6205_ERROR_DSP_EMIF2 … #define HPI6205_ERROR_DSP_EMIF3 … #define HPI6205_ERROR_DSP_EMIF4 … /*****************************************************************************/ /* for C6205 PCI i/f */ /* Host Status Register (HSR) bitfields */ #define C6205_HSR_INTSRC … #define C6205_HSR_INTAVAL … #define C6205_HSR_INTAM … #define C6205_HSR_CFGERR … #define C6205_HSR_EEREAD … /* Host-to-DSP Control Register (HDCR) bitfields */ #define C6205_HDCR_WARMRESET … #define C6205_HDCR_DSPINT … #define C6205_HDCR_PCIBOOT … /* DSP Page Register (DSPP) bitfields, */ /* defines 4 Mbyte page that BAR0 points to */ #define C6205_DSPP_MAP1 … /* BAR0 maps to prefetchable 4 Mbyte memory block set by DSPP. * BAR1 maps to non-prefetchable 8 Mbyte memory block * of DSP memory mapped registers (starting at 0x01800000). * 0x01800000 is hardcoded in the PCI i/f, so that only the offset from this * needs to be added to the BAR1 base address set in the PCI config reg */ #define C6205_BAR1_PCI_IO_OFFSET … #define C6205_BAR1_HSR … #define C6205_BAR1_HDCR … #define C6205_BAR1_DSPP … /* used to control LED (revA) and reset C6713 (revB) */ #define C6205_BAR0_TIMER1_CTL … /* For first 6713 in CE1 space, using DA17,16,2 */ #define HPICL_ADDR … #define HPICH_ADDR … #define HPIAL_ADDR … #define HPIAH_ADDR … #define HPIDIL_ADDR … #define HPIDIH_ADDR … #define HPIDL_ADDR … #define HPIDH_ADDR … #define C6713_EMIF_GCTL … #define C6713_EMIF_CE1 … #define C6713_EMIF_CE0 … #define C6713_EMIF_CE2 … #define C6713_EMIF_CE3 … #define C6713_EMIF_SDRAMCTL … #define C6713_EMIF_SDRAMTIMING … #define C6713_EMIF_SDRAMEXT … struct hpi_hw_obj { … }; /*****************************************************************************/ /* local prototypes */ #define check_before_bbm_copy(status, p_bbm_data, l_first_write, l_second_write) … static int wait_dsp_ack(struct hpi_hw_obj *phw, int state, int timeout_us); static void send_dsp_command(struct hpi_hw_obj *phw, int cmd); static u16 adapter_boot_load_dsp(struct hpi_adapter_obj *pao, u32 *pos_error_code); static u16 message_response_sequence(struct hpi_adapter_obj *pao, 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); #define HPI6205_TIMEOUT … 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 u16 create_adapter_obj(struct hpi_adapter_obj *pao, u32 *pos_error_code); static void delete_adapter_obj(struct hpi_adapter_obj *pao); static int adapter_irq_query_and_clear(struct hpi_adapter_obj *pao, u32 message); static void outstream_host_buffer_allocate(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr); static void outstream_host_buffer_get_info(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr); static void outstream_host_buffer_free(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr); static void outstream_write(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr); static void outstream_get_info(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr); static void outstream_start(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr); static void outstream_open(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr); static void outstream_reset(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr); static void instream_host_buffer_allocate(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr); static void instream_host_buffer_get_info(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr); static void instream_host_buffer_free(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr); static void instream_read(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr); static void instream_get_info(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr); static void instream_start(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr); static u32 boot_loader_read_mem32(struct hpi_adapter_obj *pao, int dsp_index, u32 address); static void boot_loader_write_mem32(struct hpi_adapter_obj *pao, int dsp_index, u32 address, u32 data); static u16 boot_loader_config_emif(struct hpi_adapter_obj *pao, int dsp_index); static u16 boot_loader_test_memory(struct hpi_adapter_obj *pao, int dsp_index, u32 address, u32 length); static u16 boot_loader_test_internal_memory(struct hpi_adapter_obj *pao, int dsp_index); static u16 boot_loader_test_external_memory(struct hpi_adapter_obj *pao, int dsp_index); static u16 boot_loader_test_pld(struct hpi_adapter_obj *pao, int dsp_index); /*****************************************************************************/ static void subsys_message(struct hpi_adapter_obj *pao, 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) { … } /*****************************************************************************/ /** Entry point to this HPI backend * All calls to the HPI start here */ static void _HPI_6205(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } void HPI_6205(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) { … } /** delete an adapter - required by WDM driver */ static void adapter_delete(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } /** Create adapter object allocate buffers, bootload DSPs, initialise control cache */ static u16 create_adapter_obj(struct hpi_adapter_obj *pao, u32 *pos_error_code) { … } /** Free memory areas allocated by adapter * this routine is called from AdapterDelete, * and SubSysCreateAdapter if duplicate index */ static void delete_adapter_obj(struct hpi_adapter_obj *pao) { … } /*****************************************************************************/ /* Adapter functions */ static int adapter_irq_query_and_clear(struct hpi_adapter_obj *pao, u32 message) { … } /*****************************************************************************/ /* OutStream Host buffer functions */ /** Allocate or attach buffer for busmastering */ static void outstream_host_buffer_allocate(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } static void outstream_host_buffer_get_info(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } static void outstream_host_buffer_free(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } static u32 outstream_get_space_available(struct hpi_hostbuffer_status *status) { … } static void outstream_write(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } static void outstream_get_info(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } static void outstream_start(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } static void outstream_reset(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } static void outstream_open(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } /*****************************************************************************/ /* InStream Host buffer functions */ static void instream_host_buffer_allocate(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } static void instream_host_buffer_get_info(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } static void instream_host_buffer_free(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } static void instream_start(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } static u32 instream_get_bytes_available(struct hpi_hostbuffer_status *status) { … } static void instream_read(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } static void instream_get_info(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { … } /*****************************************************************************/ /* LOW-LEVEL */ #define HPI6205_MAX_FILES_TO_LOAD … static u16 adapter_boot_load_dsp(struct hpi_adapter_obj *pao, u32 *pos_error_code) { … } /*****************************************************************************/ /* Bootloader utility functions */ static u32 boot_loader_read_mem32(struct hpi_adapter_obj *pao, int dsp_index, u32 address) { … } static void boot_loader_write_mem32(struct hpi_adapter_obj *pao, int dsp_index, u32 address, u32 data) { … } static u16 boot_loader_config_emif(struct hpi_adapter_obj *pao, int dsp_index) { … } static u16 boot_loader_test_memory(struct hpi_adapter_obj *pao, int dsp_index, u32 start_address, u32 length) { … } static u16 boot_loader_test_internal_memory(struct hpi_adapter_obj *pao, int dsp_index) { … } static u16 boot_loader_test_external_memory(struct hpi_adapter_obj *pao, int dsp_index) { … } static u16 boot_loader_test_pld(struct hpi_adapter_obj *pao, int dsp_index) { … } /** Transfer data to or from DSP nOperation = H620_H620_HIF_SEND_DATA or H620_HIF_GET_DATA */ static short hpi6205_transfer_data(struct hpi_adapter_obj *pao, u8 *p_data, u32 data_size, int operation) { … } /* wait for up to timeout_us microseconds for the DSP to signal state by DMA into dwDspAck */ static int wait_dsp_ack(struct hpi_hw_obj *phw, int state, int timeout_us) { … } /* set the busmaster interface to cmd, then interrupt the DSP */ static void send_dsp_command(struct hpi_hw_obj *phw, int cmd) { … } static unsigned int message_count; static u16 message_response_sequence(struct hpi_adapter_obj *pao, 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) { … }
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