thodg/cgminer/A1-common.h
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Hash : 114f9fd2
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Date : 2014-06-03T18:47:29
A1: add support for updated product variants, small fixes This patch includes: * generalize I2C slave access * adapt CoinCraft Rig board selector to new design * add support for single chip chains * adapt verbosity levels * check for chip clocks below 100MHz
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A1-common.h
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#ifndef A1_COMMON_H #define A1_COMMON_H #include <stddef.h> #include <stdbool.h> #include <stdint.h> /********** work queue */ struct work_ent { struct work *work; struct list_head head; }; struct work_queue { int num_elems; struct list_head head; }; /********** chip and chain context structures */ /* the WRITE_JOB command is the largest (2 bytes command, 56 bytes payload) */ #define WRITE_JOB_LENGTH 58 #define MAX_CHAIN_LENGTH 64 /* * For commands to traverse the chain, we need to issue dummy writes to * keep SPI clock running. To reach the last chip in the chain, we need to * write the command, followed by chain-length words to pass it through the * chain and another chain-length words to get the ACK back to host */ #define MAX_CMD_LENGTH (WRITE_JOB_LENGTH + MAX_CHAIN_LENGTH * 2 * 2) struct A1_chip { int num_cores; int last_queued_id; struct work *work[4]; /* stats */ int hw_errors; int stales; int nonces_found; int nonce_ranges_done; /* systime in ms when chip was disabled */ int cooldown_begin; /* number of consecutive failures to access the chip */ int fail_count; /* mark chip disabled, do not try to re-enable it */ bool disabled; }; struct A1_chain { int chain_id; struct cgpu_info *cgpu; struct mcp4x *trimpot; int num_chips; int num_cores; int num_active_chips; int chain_skew; uint8_t spi_tx[MAX_CMD_LENGTH]; uint8_t spi_rx[MAX_CMD_LENGTH]; struct spi_ctx *spi_ctx; struct A1_chip *chips; pthread_mutex_t lock; struct work_queue active_wq; /* mark chain disabled, do not try to re-enable it */ bool disabled; uint8_t temp; int last_temp_time; }; #define MAX_CHAINS_PER_BOARD 2 struct A1_board { int board_id; int num_chains; struct A1_chain *chain[MAX_CHAINS_PER_BOARD]; }; /********** config paramters */ struct A1_config_options { int ref_clk_khz; int sys_clk_khz; int spi_clk_khz; /* limit chip chain to this number of chips (testing only) */ int override_chip_num; int wiper; }; /* global configuration instance */ extern struct A1_config_options A1_config_options; #endif /* A1_COMMON_H */