145 lines
3.5 KiB
C
145 lines
3.5 KiB
C
#ifndef _AW8896_H_
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#define _AW8896_H_
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#include <linux/version.h>
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#include <sound/control.h>
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#include <sound/soc.h>
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#if KERNEL_VERSION(4, 19, 1) <= LINUX_VERSION_CODE
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#define AW_KERNEL_VER_OVER_4_19_1
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#endif
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#ifdef AW_KERNEL_VER_OVER_4_19_1
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#define aw_snd_soc_codec_t struct snd_soc_component
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#define aw_snd_soc_codec_driver_t const struct snd_soc_component_driver
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#else
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#define aw_snd_soc_codec_t struct snd_soc_codec
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#define aw_snd_soc_codec_driver_t const struct snd_soc_codec_driver
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#endif
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struct aw_componet_codec_ops {
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aw_snd_soc_codec_t *(*aw_snd_soc_kcontrol_codec)(
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struct snd_kcontrol *kcontrol);
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void *(*aw_snd_soc_codec_get_drvdata)(aw_snd_soc_codec_t *codec);
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int (*aw_snd_soc_add_codec_controls)(aw_snd_soc_codec_t *codec,
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const struct snd_kcontrol_new *controls,
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unsigned int num_controls);
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void (*aw_snd_soc_unregister_codec)(struct device *dev);
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int (*aw_snd_soc_register_codec)(struct device *dev,
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aw_snd_soc_codec_driver_t *codec_drv,
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struct snd_soc_dai_driver *dai_drv,
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int num_dai);
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};
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/*
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* i2c transaction on Linux limited to 64k
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* (See Linux kernel documentation: Documentation/i2c/writing-clients)
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*/
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#define MAX_I2C_BUFFER_SIZE 65536
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#define MAX_RAM_WRITE_BYTE_SIZE 128
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#define AW8896_FLAG_DSP_START_ON_MUTE (1 << 0)
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#define AW8896_FLAG_SKIP_INTERRUPTS (1 << 1)
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#define AW8896_FLAG_SAAM_AVAILABLE (1 << 2)
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#define AW8896_FLAG_STEREO_DEVICE (1 << 3)
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#define AW8896_FLAG_MULTI_MIC_INPUTS (1 << 4)
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#define AW8896_FLAG_DSP_START_ON (1 << 5)
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#define AW8896_NUM_RATES 9
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#define AW8896_MAX_REGISTER 0xff
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#define AWINIC_DSP_I2C_WRITES
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#define AW8896_DSP_FW_BASE 0x8c00
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#define AW8896_DSP_FW_BACKUP_BASE 0x8d80
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#define AW8896_DSP_FW_VER_BASE 0x0f80
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#define AW8896_DSP_FW_SIZE (512)
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enum aw8896_chipid {
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AW8990_ID,
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};
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enum aw8896_mode_spk_rcv {
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AW8896_SPEAKER_MODE = 0,
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AW8896_RECEIVER_MODE = 1,
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};
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enum aw8896_dsp_fw_version {
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AW8896_DSP_FW_VER_D = 0,
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AW8896_DSP_FW_VER_E = 1,
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};
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enum aw8896_dsp_init_state {
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AW8896_DSP_INIT_STOPPED, /* DSP not running */
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AW8896_DSP_INIT_RECOVER, /* DSP error detected at runtime */
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AW8896_DSP_INIT_FAIL, /* DSP init failed */
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AW8896_DSP_INIT_PENDING, /* DSP start requested */
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AW8896_DSP_INIT_DONE, /* DSP running */
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AW8896_DSP_INIT_INVALIDATED, /* DSP was running, requires re-init */
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};
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enum aw8896_dsp_fw_state {
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AW8896_DSP_FW_NONE = 0,
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AW8896_DSP_FW_PENDING,
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AW8896_DSP_FW_FAIL,
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AW8896_DSP_FW_FAIL_COUNT,
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AW8896_DSP_FW_FAIL_REG_DSP,
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AW8896_DSP_FW_FAIL_PROBE,
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AW8896_DSP_FW_OK,
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};
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enum aw8896_dsp_cfg_state {
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AW8896_DSP_CFG_NONE = 0,
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AW8896_DSP_CFG_PENDING,
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AW8896_DSP_CFG_FAIL,
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AW8896_DSP_CFG_FAIL_COUNT,
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AW8896_DSP_CFG_FAIL_REG_DSP,
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AW8896_DSP_CFG_FAIL_PROBE,
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AW8896_DSP_CFG_OK,
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};
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struct aw8896 {
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struct regmap *regmap;
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struct i2c_client *i2c;
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aw_snd_soc_codec_t *codec;
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struct mutex lock;
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int dsp_init;
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int dsp_fw_state;
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int dsp_fw_len;
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int sysclk;
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u16 rev;
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int rate;
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struct device *dev;
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struct input_dev *input;
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int rst_gpio;
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int reset_gpio;
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int power_gpio;
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int irq_gpio;
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#ifdef CONFIG_DEBUG_FS
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struct dentry *dbg_dir;
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#endif
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u8 reg;
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unsigned int flags;
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unsigned int chipid;
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unsigned int init;
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unsigned int spk_rcv_mode;
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unsigned int call_in_kctl;
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};
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struct aw8896_container {
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int len;
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unsigned char data[];
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};
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int aw8896_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id);
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int aw8896_i2c_remove(struct i2c_client *i2c);
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#endif
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