添加内核启动阶段播放声音的驱动

lichee/linux-4.9/drivers/char/hichs-has/snd_has_sunxi_common.h

@@ -0,0 +1,55 @@
+/* sound\soc\sunxi\snd_sunxi_common.h
+ * (C) Copyright 2021-2025
+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Dby <dby@allwinnertech.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#ifndef __SND_HAS_SUNXI_COMMON_H
+#define __SND_HAS_SUNXI_COMMON_H
+
+/* for regmap */
+struct sunxi_has_mem {
+	char *dev_name;
+	struct resource *res;
+	struct regmap_config *regmap_config;
+
+	void __iomem *membase;
+	struct resource *memregion;
+	struct regmap *regmap;
+};
+
+// int snd_sunxi_mem_init(struct platform_device *pdev, struct sunxi_mem *mem);
+// void snd_sunxi_mem_exit(struct platform_device *pdev, struct sunxi_mem *mem);
+
+// /* for reg debug */
+// #define REG_LABEL(constant)	{#constant, constant, 0}
+// #define REG_LABEL_END		{NULL, 0, 0}
+
+struct reg_label {
+	const char *name;
+	const unsigned int address;
+	unsigned int value;
+};
+
+// int snd_sunxi_save_reg(struct regmap *regmap, struct reg_label *reg_labels);
+// int snd_sunxi_echo_reg(struct regmap *regmap, struct reg_label *reg_labels);
+
+/* for pa config */
+struct has_pa_config {
+	u32 pin;
+	u32 msleep;
+	bool used;
+	bool level;
+};
+
+// struct pa_config *snd_sunxi_pa_pin_init(struct platform_device *pdev, u32 *pa_pin_max);
+// void snd_sunxi_pa_pin_exit(struct platform_device *pdev, struct pa_config *pa_cfg, u32 pa_pin_max);
+// int snd_sunxi_pa_pin_enable(struct pa_config *pa_cfg, u32 pa_pin_max);
+// int snd_sunxi_pa_pin_disable(struct pa_config *pa_cfg, u32 pa_pin_max);
+
+#endif /* __SND_HAS_SUNXI_COMMON_H */