1 // SPDX-License-Identifier: GPL-2.0
3  * Lattice FPGA sysCONFIG interface functions independent of port type.
7 #include <linux/fpga/fpga-mgr.h>
11 #include "lattice-sysconfig.h"
16 	return priv->command_transfer(priv, buf, buf_len, NULL, 0);  in sysconfig_cmd_write()
22 	return priv->command_transfer(priv, tx_buf, tx_len, rx_buf, rx_len);  in sysconfig_cmd_read()
91 	struct gpio_desc *program = priv->program;  in sysconfig_gpio_refresh()
92 	struct gpio_desc *init = priv->init;  in sysconfig_gpio_refresh()
93 	struct gpio_desc *done = priv->done;  in sysconfig_gpio_refresh()
128 	struct gpio_desc *program = priv->program;  in sysconfig_refresh()
129 	struct gpio_desc *init = priv->init;  in sysconfig_refresh()
130 	struct gpio_desc *done = priv->done;  in sysconfig_refresh()
153 		return -EFAULT;  in sysconfig_isc_enable()
173 		return -EFAULT;  in sysconfig_isc_erase()
197 	return priv->bitstream_burst_write_init(priv);  in sysconfig_burst_write_init()
202 	return priv->bitstream_burst_write_complete(priv);  in sysconfig_burst_write_complete()
208 	int ret = priv->bitstream_burst_write(priv, buf, count);  in sysconfig_bitstream_burst_write()
231 	struct gpio_desc *done_gpio = priv->done;  in sysconfig_isc_finish()
252 	return -EFAULT;  in sysconfig_isc_finish()
255 static enum fpga_mgr_states sysconfig_ops_state(struct fpga_manager *mgr)  in sysconfig_ops_state()  argument
257 	struct sysconfig_priv *priv = mgr->priv;  in sysconfig_ops_state()
258 	struct gpio_desc *done = priv->done;  in sysconfig_ops_state()
272 static int sysconfig_ops_write_init(struct fpga_manager *mgr,  in sysconfig_ops_write_init()  argument
276 	struct sysconfig_priv *priv = mgr->priv;  in sysconfig_ops_write_init()
277 	struct device *dev = &mgr->dev;  in sysconfig_ops_write_init()
280 	if (info->flags & FPGA_MGR_PARTIAL_RECONFIG) {  in sysconfig_ops_write_init()
282 		return -EOPNOTSUPP;  in sysconfig_ops_write_init()
315 static int sysconfig_ops_write(struct fpga_manager *mgr, const char *buf,  in sysconfig_ops_write()  argument
318 	return sysconfig_bitstream_burst_write(mgr->priv, buf, count);  in sysconfig_ops_write()
321 static int sysconfig_ops_write_complete(struct fpga_manager *mgr,  in sysconfig_ops_write_complete()  argument
324 	struct sysconfig_priv *priv = mgr->priv;  in sysconfig_ops_write_complete()
325 	struct device *dev = &mgr->dev;  in sysconfig_ops_write_complete()
356 	struct device *dev = priv->dev;  in sysconfig_probe()
357 	struct fpga_manager *mgr;  in sysconfig_probe()  local
360 		return -ENODEV;  in sysconfig_probe()
362 	if (!priv->command_transfer ||  in sysconfig_probe()
363 	    !priv->bitstream_burst_write_init ||  in sysconfig_probe()
364 	    !priv->bitstream_burst_write ||  in sysconfig_probe()
365 	    !priv->bitstream_burst_write_complete) {  in sysconfig_probe()
367 		return -EINVAL;  in sysconfig_probe()
385 	priv->program = program;  in sysconfig_probe()
386 	priv->init = init;  in sysconfig_probe()
387 	priv->done = done;  in sysconfig_probe()
389 	mgr = devm_fpga_mgr_register(dev, "Lattice sysCONFIG FPGA Manager",  in sysconfig_probe()
392 	return PTR_ERR_OR_ZERO(mgr);  in sysconfig_probe()
396 MODULE_DESCRIPTION("Lattice sysCONFIG FPGA Manager Core");