1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (c) 2018-2020, Intel Corporation
4 // sof-wm8804.c - ASoC machine driver for Up and Up2 board
18 #include <sound/soc-acpi.h>
33 	sof_wm8804_quirk = (unsigned long)id->driver_data;  in sof_wm8804_quirk_cb()
42 			DMI_MATCH(DMI_PRODUCT_NAME, "UP-APL01"),
53 	struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);  in sof_wm8804_hw_params()
55 	struct snd_soc_component *codec = codec_dai->component;  in sof_wm8804_hw_params()  local
65 	if (samplerate == ctx->sample_rate)  in sof_wm8804_hw_params()
68 	ctx->sample_rate = 0;  in sof_wm8804_hw_params()
101 		dev_err(rtd->card->dev,  in sof_wm8804_hw_params()
103 		return -EINVAL;  in sof_wm8804_hw_params()
111 	if (!(IS_ERR_OR_NULL(ctx->gpio_44) ||  in sof_wm8804_hw_params()
112 	      IS_ERR_OR_NULL(ctx->gpio_48))) {  in sof_wm8804_hw_params()
118 			gpiod_set_value_cansleep(ctx->gpio_48, !clk_44);  in sof_wm8804_hw_params()
119 			gpiod_set_value_cansleep(ctx->gpio_44, clk_44);  in sof_wm8804_hw_params()
121 			gpiod_set_value_cansleep(ctx->gpio_44, clk_44);  in sof_wm8804_hw_params()
122 			gpiod_set_value_cansleep(ctx->gpio_48, !clk_44);  in sof_wm8804_hw_params()
129 		dev_err(rtd->card->dev, "Failed to set WM8804 PLL\n");  in sof_wm8804_hw_params()
136 		dev_err(rtd->card->dev,  in sof_wm8804_hw_params()
142 	snd_soc_component_update_bits(codec, WM8804_SPDTX4, 0x0f,  in sof_wm8804_hw_params()
145 	ctx->sample_rate = samplerate;  in sof_wm8804_hw_params()
159 	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-1AEC8804:00", "wm8804-spdif")));
167 		.name = "SSP5-Codec",
177 	.name = "wm8804", /* sof- prefix added automatically */
183  /* i2c-<HID>:00 with HID being 8 chars */
199 		GPIO_LOOKUP("INT3452:01", 73, "BCM-GPIO5", GPIO_ACTIVE_HIGH),
200 		GPIO_LOOKUP("INT3452:01", 74, "BCM-GPIO6", GPIO_ACTIVE_HIGH),
215 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);  in sof_wm8804_probe()
217 		return -ENOMEM;  in sof_wm8804_probe()
219 	mach = pdev->dev.platform_data;  in sof_wm8804_probe()
221 	card->dev = &pdev->dev;  in sof_wm8804_probe()
226 		up2_gpios_table.dev_id = dev_name(&pdev->dev);  in sof_wm8804_probe()
233 		 * the GPIO as non-optional  in sof_wm8804_probe()
236 		ctx->gpio_44 = devm_gpiod_get(&pdev->dev, "BCM-GPIO5",  in sof_wm8804_probe()
238 		if (IS_ERR(ctx->gpio_44)) {  in sof_wm8804_probe()
239 			ret = PTR_ERR(ctx->gpio_44);  in sof_wm8804_probe()
240 			dev_err(&pdev->dev,  in sof_wm8804_probe()
241 				"could not get BCM-GPIO5: %d\n",  in sof_wm8804_probe()
246 		ctx->gpio_48 = devm_gpiod_get(&pdev->dev, "BCM-GPIO6",  in sof_wm8804_probe()
248 		if (IS_ERR(ctx->gpio_48)) {  in sof_wm8804_probe()
249 			ret = PTR_ERR(ctx->gpio_48);  in sof_wm8804_probe()
250 			dev_err(&pdev->dev,  in sof_wm8804_probe()
251 				"could not get BCM-GPIO6: %d\n",  in sof_wm8804_probe()
257 	/* fix index of codec dai */  in sof_wm8804_probe()
259 		if (!strcmp(dailink[i].codecs->name, "i2c-1AEC8804:00")) {  in sof_wm8804_probe()
265 	/* fixup codec name based on HID */  in sof_wm8804_probe()
266 	adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);  in sof_wm8804_probe()
269 			 "%s%s", "i2c-", acpi_dev_name(adev));  in sof_wm8804_probe()
270 		dailink[dai_index].codecs->name = codec_name;  in sof_wm8804_probe()
272 		dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id);  in sof_wm8804_probe()
273 		return -ENOENT;  in sof_wm8804_probe()
280 	return devm_snd_soc_register_card(&pdev->dev, card);  in sof_wm8804_probe()
291 		.name = "sof-wm8804",
300 MODULE_AUTHOR("Pierre-Louis Bossart");
302 MODULE_ALIAS("platform:sof-wm8804");