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#ifndef _PCILIB_DMA_IPE_H
#define _PCILIB_DMA_IPE_H
#include <stdio.h>
#include "pcilib.h"
#include "version.h"
#define IPEDMA_PAGE_SIZE 4096 /**< page size */
#define IPEDMA_DMA_PAGES 1024 /**< number of DMA pages in the ring buffer to allocate */
#define IPEDMA_DMA_TIMEOUT 100000 /**< us, overrides PCILIB_DMA_TIMEOUT (actual hardware timeout is 50ms according to Lorenzo) */
pcilib_dma_context_t *dma_ipe_init(pcilib_t *ctx, const char *model, const void *arg);
void dma_ipe_free(pcilib_dma_context_t *vctx);
int dma_ipe_get_status(pcilib_dma_context_t *vctx, pcilib_dma_engine_t dma, pcilib_dma_engine_status_t *status, size_t n_buffers, pcilib_dma_buffer_status_t *buffers);
int dma_ipe_start(pcilib_dma_context_t *ctx, pcilib_dma_engine_t dma, pcilib_dma_flags_t flags);
int dma_ipe_stop(pcilib_dma_context_t *ctx, pcilib_dma_engine_t dma, pcilib_dma_flags_t flags);
int dma_ipe_stream_read(pcilib_dma_context_t *vctx, pcilib_dma_engine_t dma, uintptr_t addr, size_t size, pcilib_dma_flags_t flags, pcilib_timeout_t timeout, pcilib_dma_callback_t cb, void *cbattr);
double dma_ipe_benchmark(pcilib_dma_context_t *vctx, pcilib_dma_engine_addr_t dma, uintptr_t addr, size_t size, size_t iterations, pcilib_dma_direction_t direction);
#ifdef _PCILIB_EXPORT_C
static const pcilib_dma_api_description_t ipe_dma_api = {
PCILIB_VERSION,
dma_ipe_init,
dma_ipe_free,
dma_ipe_get_status,
NULL,
NULL,
NULL,
dma_ipe_start,
dma_ipe_stop,
NULL,
dma_ipe_stream_read,
dma_ipe_benchmark
};
static const pcilib_dma_engine_description_t ipe_dma_engines[] = {
{ 0, PCILIB_DMA_TYPE_PACKET, PCILIB_DMA_FROM_DEVICE, 32, "dma", NULL },
{ 0 }
};
static const pcilib_register_bank_description_t ipe_dma_banks[] = {
{ PCILIB_REGISTER_BANK_DMA, PCILIB_REGISTER_PROTOCOL_DEFAULT, PCILIB_BAR0, 0, 0, 32, 0x0200, PCILIB_LITTLE_ENDIAN, PCILIB_LITTLE_ENDIAN, "0x%lx", "dma", "DMA Registers"},
{ PCILIB_REGISTER_BANK_DMA1, PCILIB_REGISTER_PROTOCOL_DEFAULT, PCILIB_BAR0, 0x9000, 0x9000, 32, 0x0100, PCILIB_LITTLE_ENDIAN, PCILIB_LITTLE_ENDIAN, "0x%lx", "dma9000", "Additional DMA Registers"},
{ PCILIB_REGISTER_BANK_DMACONF, PCILIB_REGISTER_PROTOCOL_SOFTWARE, PCILIB_BAR_NOBAR, 0, 0, 32, 0x1000, PCILIB_HOST_ENDIAN, PCILIB_HOST_ENDIAN, "0x%lx", "dmaconf", "DMA Configuration"},
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, NULL, NULL }
};
static const pcilib_register_description_t ipe_dma_registers[] = {
{0x0000, 0, 32, 0, 0x00000000, PCILIB_REGISTER_RW , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA, "dcr", "Device Control Status Register"},
{0x0000, 0, 1, 0, 0x00000000, PCILIB_REGISTER_RW , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "reset_dma", ""},
{0x0000, 16, 4, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "datapath_width", ""},
{0x0000, 24, 8, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "fpga_family", ""},
{0x0004, 0, 32, 0, 0x00000000, PCILIB_REGISTER_RW , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA, "ddmacr", "Device DMA Control Status Register"},
{0x0004, 0, 1, 0, 0xFFFFFFFF, PCILIB_REGISTER_RW , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "mwr_start", "Start writting memory"},
{0x0004, 5, 1, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "mwr_relxed_order", ""},
{0x0004, 6, 1, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "mwr_nosnoop", ""},
{0x0004, 7, 1, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "mwr_int_dis", ""},
{0x0004, 16, 1, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "mrd_start", ""},
{0x0004, 21, 1, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "mrd_relaxed_order", ""},
{0x0004, 22, 1, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "mrd_nosnoop", ""},
{0x0004, 23, 1, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "mrd_int_dis", ""},
{0x000C, 0, 32, 0, 0x00000000, PCILIB_REGISTER_RW , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA, "mwr_size", "DMA TLP size"},
{0x000C, 0, 16, 0x20, 0xFFFFFFFF, PCILIB_REGISTER_RW , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "mwr_len", "Max TLP size"},
{0x000C, 16, 3, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "mwr_tlp_tc", "TC for TLP packets"},
{0x000C, 19, 1, 0, 0xFFFFFFFF, PCILIB_REGISTER_RW , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "mwr_64b_en", "Enable 64 bit memory addressing"},
{0x000C, 20, 1, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "mwr_phant_func_dis", "Disable MWR phantom function"},
{0x000C, 24, 8, 0, 0xFFFFFFFF, PCILIB_REGISTER_RW , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "mwr_up_addr", "Upper address for 64 bit memory addressing"},
{0x0010, 0, 32, 0, 0x00000000, PCILIB_REGISTER_RW , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA, "mwr_count", "Write DMA TLP Count"},
{0x0014, 0, 32, 0, 0x00000000, PCILIB_REGISTER_RW , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA, "mwr_pattern", "DMA generator data pattern"},
{0x0018, 0, 32, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA, "dma_mode_flags", "DMA operation mode"},
{0x0018, 0, 4, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "pcie_gen", "PCIe version 2/3 depending on the used XILINX core"},
{0x0018, 4, 1, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "streaming_dma", "Streaming mode (enabled/disabled)"},
{0x0028, 0, 32, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA, "mwr_perf", "MWR Performance"},
{0x003C, 0, 32, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA, "cfg_lnk_width", "Negotiated and max width of PCIe Link"},
{0x003C, 0, 6, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "cfg_cap_max_lnk_width", "Max link width"},
{0x003C, 8, 6, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "cfg_prg_max_lnk_width", "Negotiated link width"},
{0x0060, 0, 32, 0, 0x00000000, PCILIB_REGISTER_RW , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA, "update_thresh", "Update threshold of progress register"},
// software registers
{0x0000, 0, 32, PCILIB_VERSION, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMACONF, "dma_version", "Version of DMA engine"},
{0x0004, 0, 32, IPEDMA_DMA_TIMEOUT, 0x00000000, PCILIB_REGISTER_RW , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMACONF, "dma_timeout", "Default DMA timeout"},
{0x0008, 0, 32, IPEDMA_DMA_PAGES, 0x00000000, PCILIB_REGISTER_RW , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMACONF, "dma_pages", "Number of buffers in DMA page ring"},
{0x000C, 0, 32, IPEDMA_PAGE_SIZE, 0x00000000, PCILIB_REGISTER_RW , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMACONF, "dma_page_size", "Size of a page in DMA page ring (multiple of 4K)"},
{0x0010, 0, 32, 0, 0xFFFFFFFF, PCILIB_REGISTER_RW , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMACONF, "ipedma_flags", "DMA Control Register"},
{0x0010, 0, 1, 0, 0xFFFFFFFF, PCILIB_REGISTER_RW , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMACONF, "ipedma_nosync", "Do not synchronize DMA pages"},
{0x0010, 1, 1, 0, 0xFFFFFFFF, PCILIB_REGISTER_RW , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMACONF, "ipedma_nosleep", "Do not sleep while there is no data"},
{0, 0, 0, 0, 0x00000000, 0, 0, 0, NULL, NULL}
};
#endif /* _PCILIB_EXPORT_C */
#ifdef _PCILIB_DMA_IPE_C
static const pcilib_register_description_t ipe_dma_app_registers[] = {
{0x0000, 0, 32, 0, 0xFFFFFFFF, PCILIB_REGISTER_RW , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA1, "cntgen", "Dummy counter"},
{0x0000, 0, 1, 0, 0xFFFFFFFF, PCILIB_REGISTER_RW , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA1, "enable_cntgen", "Enable counting/fixed pattern dummy generator"},
{0x0000, 4, 1, 0, 0xFFFFFFFF, PCILIB_REGISTER_RW , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA1, "reset_cntgen", "Reset dummy counter of dummy generator"},
{0x0000, 8, 1, 0, 0xFFFFFFFF, PCILIB_REGISTER_RW , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA1, "fix_cntgen", "Enable fixed pattern mode of dummy generator"},
{0x0004, 0, 32, 0, 0x00000000, PCILIB_REGISTER_RW , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA1, "cntgen_pattern", "Pattern for fixed pattern dummy generator"},
{0x0008, 0, 32, 0, 0x00000000, PCILIB_REGISTER_RW , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA1, "update_word0", "Content of first 32-bit word in the progress register"},
{0x0020, 0, 32, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA1, "dma_firmware", "Version of DMA firmware"},
{0, 0, 0, 0, 0x00000000, 0, 0, 0, NULL, NULL}
};
static const pcilib_register_description_t ipe_dma_v2_registers[] = {
{0x0040, 0, 32, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA, "cfg_payload_size", ""},
{0x0040, 0, 4, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "cfg_cap_max_payload_size", "Max payload size"},
{0x0040, 8, 3, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "cfg_prg_max_payload_size", "Prog max payload size"},
{0x0040, 16, 3, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_BITS, PCILIB_REGISTER_BANK_DMA, "cfg_max_rd_req_size", "Max read request size"},
{0x0050, 0, 32, 0, 0x00000000, PCILIB_REGISTER_RW , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA, "desc_mem_din", "Descriptor memory"},
{0x0054, 0, 32, 0, 0x00000000, PCILIB_REGISTER_RW , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA, "update_addr", "Address of progress register"},
{0x0058, 0, 32, 0, 0x00000000, PCILIB_REGISTER_RW , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA, "last_descriptor_read", "Last descriptor read by the host"},
{0x005C, 0, 32, 0, 0x00000000, PCILIB_REGISTER_RW , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA, "desc_mem_addr", "Number of descriptors configured"},
{0, 0, 0, 0, 0x00000000, 0, 0, 0, NULL, NULL}
};
static const pcilib_register_description_t ipe_dma_v3_registers[] = {
{0x0040, 0, 32, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA, "desc_mem_addr", "Number of descriptors configured"},
{0x0050, 0, 32, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA, "desc_mem_din_hi", "Descriptor memory (high bits)"},
{0x0054, 0, 32, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA, "desc_mem_din_lo", "Descriptor memory (low bits)"},
{0x0058, 0, 32, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA, "update_addr_hi", "Address of progress register (high bits)"},
{0x005C, 0, 32, 0, 0x00000000, PCILIB_REGISTER_R , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMA, "update_addr_lo", "Address of progress register (low bits)"},
// software registgers
{0x0080, 0, 32, 0, 0x00000000, PCILIB_REGISTER_RW , PCILIB_REGISTER_STANDARD, PCILIB_REGISTER_BANK_DMACONF, "last_descriptor_read", "Last descriptor read by the host"},
{0, 0, 0, 0, 0x00000000, 0, 0, 0, NULL, NULL}
};
#endif /* _PCILIB_DMA_IPE_C */
#endif /* _PCILIB_DMA_IPE_H */
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