pinctrl/aspeed/pinmux-aspeed.c

1 // SPDX-License-Identifier: GPL-2.0-or-later
6 #include "pinmux-aspeed.h"
18 			aspeed_pinmux_ips[desc->ip], desc->reg,  in aspeed_sig_desc_print_val()
19 			desc->mask, enable ? desc->enable : desc->disable,  in aspeed_sig_desc_print_val()
20 			(rv & desc->mask) >> __ffs(desc->mask), rv);  in aspeed_sig_desc_print_val()
24  * aspeed_sig_desc_eval() - Query the enabled or disabled state of a signal
35  * Evaluation of descriptor state is non-trivial in that it is not a binary
38  * descriptor (typically this means a different function to the one of interest
49 		return -ENODEV;  in aspeed_sig_desc_eval()
51 	ret = regmap_read(map, desc->reg, &raw);  in aspeed_sig_desc_eval()
56 	want = enabled ? desc->enable : desc->disable;  in aspeed_sig_desc_eval()
58 	return ((raw & desc->mask) >> __ffs(desc->mask)) == want;  in aspeed_sig_desc_eval()
62  * aspeed_sig_expr_eval - Query the enabled or disabled state for a
63  * mux function's signal on a pin
66  * @expr: An expression controlling the signal for a mux function on a pin
72  * A mux function is enabled or disabled if the function's signal expression
73  * for each pin in the function's pin group evaluates true for the desired
78  * multi-bit bitfields in a single signal descriptor or through multiple signal
89 	if (ctx->ops->eval)  in aspeed_sig_expr_eval()
90 		return ctx->ops->eval(ctx, expr, enabled);  in aspeed_sig_expr_eval()
92 	for (i = 0; i < expr->ndescs; i++) {  in aspeed_sig_expr_eval()
93 		const struct aspeed_sig_desc *desc = &expr->descs[i];  in aspeed_sig_expr_eval()
95 		ret = aspeed_sig_desc_eval(desc, enabled, ctx->maps[desc->ip]);  in aspeed_sig_expr_eval()