/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __LATTICE_SYSCONFIG_H #define __LATTICE_SYSCONFIG_H #define SYSCONFIG_ISC_ENABLE {0xC6, 0x00, 0x00, 0x00} #define SYSCONFIG_ISC_DISABLE {0x26, 0x00, 0x00, 0x00} #define SYSCONFIG_ISC_ERASE {0x0E, 0x01, 0x00, 0x00} #define SYSCONFIG_LSC_READ_STATUS {0x3C, 0x00, 0x00, 0x00} #define SYSCONFIG_LSC_CHECK_BUSY {0xF0, 0x00, 0x00, 0x00} #define SYSCONFIG_LSC_REFRESH {0x79, 0x00, 0x00, 0x00} #define SYSCONFIG_LSC_INIT_ADDR {0x46, 0x00, 0x00, 0x00} #define SYSCONFIG_LSC_BITSTREAM_BURST {0x7a, 0x00, 0x00, 0x00} #define SYSCONFIG_STATUS_DONE BIT(8) #define SYSCONFIG_STATUS_BUSY BIT(12) #define SYSCONFIG_STATUS_FAIL BIT(13) #define SYSCONFIG_STATUS_ERR GENMASK(25, 23) #define SYSCONFIG_POLL_INTERVAL_US 30 #define SYSCONFIG_POLL_BUSY_TIMEOUT_US 1000000 #define SYSCONFIG_POLL_GPIO_TIMEOUT_US 100000 struct sysconfig_priv { struct gpio_desc *program; struct gpio_desc *init; struct gpio_desc *done; struct device *dev; int (*command_transfer)(struct sysconfig_priv *priv, const void *tx_buf, size_t tx_len, void *rx_buf, size_t rx_len); int (*bitstream_burst_write_init)(struct sysconfig_priv *priv); int (*bitstream_burst_write)(struct sysconfig_priv *priv, const char *tx_buf, size_t tx_len); int (*bitstream_burst_write_complete)(struct sysconfig_priv *priv); }; int sysconfig_probe(struct sysconfig_priv *priv); #endif /* __LATTICE_SYSCONFIG_H */