1 // SPDX-License-Identifier: GPL-2.0
3 // cs35l41-lib.c -- CS35L41 Common functions for HDA and ASoC Audio drivers
5 // Copyright 2017-2021 Cirrus Logic, Inc.
823 		return -ENOMEM;  in cs35l41_otp_unpack()
835 		ret = -EINVAL;  in cs35l41_otp_unpack()
845 	otp_map = otp_map_match->map;  in cs35l41_otp_unpack()
847 	bit_offset = otp_map_match->bit_offset;  in cs35l41_otp_unpack()
848 	word_offset = otp_map_match->word_offset;  in cs35l41_otp_unpack()
850 	for (i = 0; i < otp_map_match->num_elements; i++) {  in cs35l41_otp_unpack()
853 		if (bit_offset + otp_map[i].size - 1 >= 32) {  in cs35l41_otp_unpack()
857 					GENMASK(bit_offset + otp_map[i].size - 33, 0)) <<  in cs35l41_otp_unpack()
858 					(32 - bit_offset);  in cs35l41_otp_unpack()
859 			bit_offset += otp_map[i].size - 32;  in cs35l41_otp_unpack()
860 		} else if (bit_offset + otp_map[i].size - 1 >= 0) {  in cs35l41_otp_unpack()
862 				   GENMASK(bit_offset + otp_map[i].size - 1, bit_offset)  in cs35l41_otp_unpack()
877 						 GENMASK(otp_map[i].shift + otp_map[i].size - 1,  in cs35l41_otp_unpack()
919 		ret = -EINVAL;  in cs35l41_register_errata_patch()
943 		return -EINVAL;  in cs35l41_set_channels()
1006 		return -EINVAL;  in cs35l41_boost_config()
1025 			return -EINVAL;  in cs35l41_boost_config()
1033 		return -EINVAL;  in cs35l41_boost_config()
1057 	bst_ipk_scaled = ((boost_ipk - 1600) / 50) + 0x10;  in cs35l41_boost_config()
1142 	switch (hw_cfg->bst_type) {  in cs35l41_init_boost()
1147 		ret = cs35l41_boost_config(dev, regmap, hw_cfg->bst_ind,  in cs35l41_init_boost()
1148 					   hw_cfg->bst_cap, hw_cfg->bst_ipk);  in cs35l41_init_boost()
1155 		 * toggle GPIO1 as is not connected to anything.  in cs35l41_init_boost()
1169 		dev_err(dev, "Boost type %d not supported\n", hw_cfg->bst_type);  in cs35l41_init_boost()
1170 		ret = -EINVAL;  in cs35l41_init_boost()
1210  * solution either, as the trigger is executed in an IRQ-off atomic context.
1234 		dev_dbg(dev, "Cannot set Global Enable - already set.\n");  in cs35l41_global_enable()
1237 		dev_dbg(dev, "Cannot unset Global Enable - not set.\n");  in cs35l41_global_enable()
1346 		ret = -EINVAL;  in cs35l41_global_enable()
1367 	struct cs35l41_gpio_cfg *gpio1 = &hw_cfg->gpio1;  in cs35l41_gpio_config()  local
1368 	struct cs35l41_gpio_cfg *gpio2 = &hw_cfg->gpio2;  in cs35l41_gpio_config()
1373 			   gpio1->pol_inv << CS35L41_GPIO_POL_SHIFT |  in cs35l41_gpio_config()
1374 			   !gpio1->out_en << CS35L41_GPIO_DIR_SHIFT);  in cs35l41_gpio_config()
1378 			   gpio2->pol_inv << CS35L41_GPIO_POL_SHIFT |  in cs35l41_gpio_config()
1379 			   !gpio2->out_en << CS35L41_GPIO_DIR_SHIFT);  in cs35l41_gpio_config()
1381 	if (gpio1->valid)  in cs35l41_gpio_config()
1383 				   gpio1->func << CS35L41_GPIO1_CTRL_SHIFT);  in cs35l41_gpio_config()
1385 	if (gpio2->valid) {  in cs35l41_gpio_config()
1387 				   gpio2->func << CS35L41_GPIO2_CTRL_SHIFT);  in cs35l41_gpio_config()
1389 		switch (gpio2->func) {  in cs35l41_gpio_config()
1414 void cs35l41_configure_cs_dsp(struct device *dev, struct regmap *reg, struct cs_dsp *dsp)  in cs35l41_configure_cs_dsp()  argument
1416 	dsp->num = 1;  in cs35l41_configure_cs_dsp()
1417 	dsp->type = WMFW_HALO;  in cs35l41_configure_cs_dsp()
1418 	dsp->rev = 0;  in cs35l41_configure_cs_dsp()
1419 	dsp->dev = dev;  in cs35l41_configure_cs_dsp()
1420 	dsp->regmap = reg;  in cs35l41_configure_cs_dsp()
1421 	dsp->base = CS35L41_DSP1_CTRL_BASE;  in cs35l41_configure_cs_dsp()
1422 	dsp->base_sysinfo = CS35L41_DSP1_SYS_ID;  in cs35l41_configure_cs_dsp()
1423 	dsp->mem = cs35l41_dsp1_regions;  in cs35l41_configure_cs_dsp()
1424 	dsp->num_mems = ARRAY_SIZE(cs35l41_dsp1_regions);  in cs35l41_configure_cs_dsp()
1425 	dsp->lock_regions = 0xFFFFFFFF;  in cs35l41_configure_cs_dsp()
1485 	return -ENOMSG;  in cs35l41_set_cspl_mbox_cmd()
1507 		return -EINVAL;  in cs35l41_enter_hibernate()
1563 		dev_err(dev, "Wake failed, re-enter hibernate: %d\n", ret);  in cs35l41_exit_hibernate()
1577 	return -ETIMEDOUT;  in cs35l41_exit_hibernate()