sound/soc/amlogic/auge/ddr_mngr.h - manifest_repos/kernel - Git at Google

 /* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
 /*
  * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
  */

 #ifndef __AML_AUDIO_DDR_MANAGER_H_
 #define __AML_AUDIO_DDR_MANAGER_H_

 #include <linux/device.h>
 #include <linux/interrupt.h>
 #include <sound/soc.h>
 #include "audio_io.h"

 #define MEMIF_INT_ADDR_FINISH       BIT(0)
 #define MEMIF_INT_ADDR_INT          BIT(1)
 #define MEMIF_INT_COUNT_REPEAT      BIT(2)
 #define MEMIF_INT_COUNT_ONCE        BIT(3)
 #define MEMIF_INT_FIFO_ZERO         BIT(4)
 #define MEMIF_INT_FIFO_DEPTH        BIT(5)
 #define MEMIF_INT_MASK              GENMASK(7, 0)

 #define TODDR_FIFO_CNT              GENMASK(19, 8)
 #define FRDDR_FIFO_CNT              GENMASK(17, 8)

 #define FIFO_BURST                  8
 #define FIFO_DEPTH_32K              0x8000
 #define FIFO_DEPTH_2K               0x800
 #define FIFO_DEPTH_1K               0x400
 #define FIFO_DEPTH_512              0x200

 #define DDRMAX 4

 enum ddr_num {
 	DDR_A,
 	DDR_B,
 	DDR_C,
 	DDR_D,
 	DDR_E,
 	DDR_MAX,
 };

 enum ddr_types {
 	LJ_8BITS,
 	LJ_16BITS,
 	RJ_16BITS,
 	LJ_32BITS,
 	RJ_32BITS,
 };

 /*
  * from tl1, add new source FRATV, FRHDMIRX, LOOPBACK_B, SPDIFIN_LB, VAD
  */
 enum toddr_src {
 	TODDR_INVAL = -1,
 	TDMIN_A = 0,
 	TDMIN_B = 1,
 	TDMIN_C = 2,
 	SPDIFIN = 3,
 	PDMIN = 4,
 	FRATV = 5, /* NONE for axg, g12a, g12b */
 	TDMIN_LB = 6,
 	LOOPBACK_A = 7,
 	FRHDMIRX = 8, /* from tl1 chipset*/
 	LOOPBACK_B = 9,
 	SPDIFIN_LB = 10,
 	EARCRX_DMAC = 11,/* from sm1 chipset */
 	FRHDMIRX_PAO = 12, /* tm2 */
 	RESAMPLEA = 13,   /* t5 */
 	RESAMPLEB = 14,
 	VAD = 15,
 	PDMIN_B = 16,
 	TDMINB_LB = 17,
 	TDMIN_D = 18,
 	TODDR_SRC_MAX = 19
 };

 enum resample_idx {
 	RESAMPLE_A,
 	RESAMPLE_B
 };

 enum resample_src {
 	ASRC_TODDR_A,
 	ASRC_TODDR_B,
 	ASRC_TODDR_C,
 	ASRC_TODDR_D,      /* from tl1 chipset */
 	ASRC_LOOPBACK_A,
 	ASRC_LOOPBACK_B,
 };

 enum frddr_dest {
 	TDMOUT_A,
 	TDMOUT_B,
 	TDMOUT_C,
 	SPDIFOUT_A,
 	SPDIFOUT_B,
 	EARCTX_DMAC,
 	TDMOUT_D,
 	FRDDR_MAX
 };

 enum status_sel {
 	CURRENT_DDR_ADDR,
 	NEXT_FINISH_ADDR,
 	COUNT_CURRENT_DDR_ACK,
 	COUNT_NEXT_FINISH_DDR_ACK,
 	VAD_WAKEUP_ADDR,   /* from tl1, vad */
 	VAD_FS_ADDR,
 	VAD_FIFO_CNT,
 };

 struct toddr_fmt {
 	unsigned int type;
 	unsigned int msb;
 	unsigned int lsb;
 	unsigned int endian;
 	unsigned int bit_depth;
 	unsigned int ch_num;
 	unsigned int rate;
 };

 struct toddr_src_conf {
 	char name[32];
 	unsigned int val;
 	unsigned int reg;
 	unsigned int shift;
 	unsigned int mask;
 };

 struct frddr_src_conf {
 	char name[32];
 	unsigned int val;
 	unsigned int reg;
 	unsigned int shift;
 	unsigned int mask;
 };

 struct ddr_chipinfo {
 	/* INT and Start address is same or separated */
 	bool int_start_same_addr;
 	/* force finished */
 	bool force_finished;
 	/* same source */
 	bool same_src_fn;
 	/* insert channel number */
 	bool insert_chnum;

 	/* ddr bus in urgent */
 	bool ugt;

 	/* source sel switch to ctrl1
 	 * for toddr, 0: source sel is controlled by ctrl0
 	 *            1: source sel is controlled by ctrl1
 	 * for frddr, 0: source sel is controlled by ctrl0
 	 *            1: source sel is controlled by ctrl2
 	 */
 	bool src_sel_ctrl;

 	/*
 	 * resample source sel switch
 	 * resample : from ctrl0 to ctrl3
 	 * toddr : from ctrl0 to ctrl1
 	 */
 	bool asrc_src_sel_ctrl;
 	/* spdif in 32bit, only support left justified */
 	bool asrc_only_left_j;

 	/* toddr number max
 	 * 0: default, 3 toddr, axg, g12a, g12b
 	 * 4: 4 toddr, tl1
 	 */
 	int fifo_num;
 	unsigned int fifo_depth;

 	/* power detect or VAD
 	 * 0: disabled
 	 * 1: power detect
 	 * 2: vad
 	 */
 	int wakeup;

 	bool chnum_sync;

 	bool burst_finished_flag;

 	struct toddr_src_conf *to_srcs;
 	struct toddr_src_conf *fr_srcs;
 };

 struct toddr {
 	struct device *dev;
 	unsigned int resample: 1;
 	unsigned int ext_signed: 1;
 	unsigned int reg_base;

 	struct toddr_fmt fmt;
 	unsigned int start_addr;
 	unsigned int end_addr;
 	unsigned int threshold;

 	enum toddr_src src;
 	unsigned int fifo_id;

 	int is_lb; /* check whether for loopback */
 	int irq;
 	bool in_use: 1;
 	struct aml_audio_controller *actrl;
 	struct ddr_chipinfo *chipinfo;
 };

 enum status {
 	DISABLED,
 	READY,    /* controls has set enable, but ddr is not in running */
 	RUNNING,
 };

 struct toddr_attach {
 	bool enable;
 	enum resample_idx id;
 	int status;
 	/* which module should be attached,
 	 * check which toddr in use should be attached
 	 */
 	enum toddr_src attach_module;
 	int resample_version;
 	struct mutex lock; /* device lock */
 };

 struct frddr_attach {
 	bool enable;
 	int status;
 	/* which module for attach ,
 	 * check which frddr in use should be added
 	 */
 	enum frddr_dest attach_module;
 };

 struct frddr {
 	struct device *dev;
 	enum frddr_dest dest;

 	/* dest for same source, whether enable */
 	enum frddr_dest ss_dest;
 	bool ss_en;
 	enum frddr_dest ss2_dest;
 	bool ss2_en;

 	struct aml_audio_controller *actrl;
 	unsigned int reg_base;
 	enum ddr_num fifo_id;

 	unsigned int channels;
 	unsigned int rate;
 	unsigned int msb;
 	unsigned int type;

 	int irq;
 	bool in_use;
 	struct ddr_chipinfo *chipinfo;

 	bool reserved;
 };

 struct ddr_info {
 	unsigned int toddr_addr;
 	unsigned int frddr_addr;
 	char *toddr_name;
 	char *frddr_name;
 };

 /* to ddrs */
 struct toddr *fetch_toddr_by_src(int toddr_src);
 struct toddr *aml_audio_register_toddr(struct device *dev,
 		struct aml_audio_controller *actrl,
 		irq_handler_t handler, void *data);
 int aml_audio_unregister_toddr(struct device *dev, void *data);
 void audio_toddr_irq_enable(struct toddr *to, bool en);
 int aml_toddr_set_buf(struct toddr *to, unsigned int start,
 			unsigned int end);
 int aml_toddr_set_buf_startaddr(struct toddr *to, unsigned int start);
 int aml_toddr_set_buf_endaddr(struct toddr *to,	unsigned int end);

 int aml_toddr_set_intrpt(struct toddr *to, unsigned int intrpt);
 unsigned int aml_toddr_get_position(struct toddr *to);
 unsigned int aml_toddr_get_addr(struct toddr *to, enum status_sel sel);
 void aml_toddr_select_src(struct toddr *to, enum toddr_src);
 void aml_toddr_enable(struct toddr *to, bool enable);
 void aml_toddr_set_fifos(struct toddr *to, unsigned int threshold);
 void aml_toddr_force_finish(struct toddr *to);
 void aml_toddr_set_format(struct toddr *to, struct toddr_fmt *fmt);

 unsigned int aml_toddr_get_status(struct toddr *to);
 unsigned int aml_toddr_get_fifo_cnt(struct toddr *to);
 void aml_toddr_ack_irq(struct toddr *to, int status);

 void aml_toddr_insert_chanum(struct toddr *to);
 unsigned int aml_toddr_read(struct toddr *to);
 void aml_toddr_write(struct toddr *to, unsigned int val);
 unsigned int aml_toddr_read1(struct toddr *to);
 void aml_toddr_write1(struct toddr *to, unsigned int val);
 unsigned int aml_toddr_read_status2(struct toddr *to);
 bool aml_toddr_burst_finished(struct toddr *to);

 /* resample */
 void aml_set_resample(enum resample_idx id,
 		bool enable, enum toddr_src resample_module);
 /* power detect */
 void aml_pwrdet_enable(bool enable, int pwrdet_module);
 /* Voice Activity Detection */
 void aml_set_vad(bool enable, int module);

 /* from ddrs */
 struct frddr *fetch_frddr_by_src(int frddr_src);

 struct frddr *aml_audio_register_frddr(struct device *dev,
 		struct aml_audio_controller *actrl,
 		irq_handler_t handler, void *data, bool rvd_dst);
 int aml_audio_unregister_frddr(struct device *dev, void *data);
 int aml_frddr_set_buf(struct frddr *fr, unsigned int start,
 			unsigned int end);
 int aml_frddr_set_intrpt(struct frddr *fr, unsigned int intrpt);
 unsigned int aml_frddr_get_position(struct frddr *fr);
 void aml_frddr_enable(struct frddr *fr, bool enable);
 void aml_frddr_select_dst(struct frddr *fr, enum frddr_dest);
 void aml_frddr_select_dst_ss(struct frddr *fr,
 	enum frddr_dest dst, int sel, bool enable);

 int aml_check_sharebuffer_valid(struct frddr *fr, int ss_sel);

 void aml_frddr_set_fifos(struct frddr *fr,
 		unsigned int depth, unsigned int threshold);
 unsigned int aml_frddr_get_fifo_id(struct frddr *fr);
 void aml_frddr_set_format(struct frddr *fr,
 	unsigned int chnum,
 	unsigned int rate,
 	unsigned int msb,
 	unsigned int frddr_type);

 void aml_frddr_reset(struct frddr *fr, int offset);

 /* audio eq drc */
 void aml_set_aed(bool enable, int aed_module);
 void aml_aed_top_enable(struct frddr *fr, bool enable);

 void frddr_init_without_mngr(unsigned int frddr_index, unsigned int src0_sel);
 void frddr_deinit_without_mngr(unsigned int frddr_index);

 enum toddr_src toddr_src_get(void);
 const char *toddr_src_get_str(enum toddr_src idx);
 int frddr_src_get(void);
 const char *frddr_src_get_str(int idx);

 int card_add_ddr_kcontrols(struct snd_soc_card *card);

 void pm_audio_set_suspend(bool is_suspend);
 bool pm_audio_is_suspend(void);

 void aml_frddr_check(struct frddr *fr);
 void aml_aed_set_frddr_reserved(void);
 void get_toddr_bits_config(enum toddr_src src,
 	int bit_depth, int *msb, int *lsb);
 int aml_check_and_release_sharebuffer(struct frddr *fr, enum frddr_dest ss_sel);

 #endif
	/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
	/*
	* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
	*/

	#ifndef __AML_AUDIO_DDR_MANAGER_H_
	#define __AML_AUDIO_DDR_MANAGER_H_

	#include <linux/device.h>
	#include <linux/interrupt.h>
	#include <sound/soc.h>
	#include "audio_io.h"

	#define MEMIF_INT_ADDR_FINISH BIT(0)
	#define MEMIF_INT_ADDR_INT BIT(1)
	#define MEMIF_INT_COUNT_REPEAT BIT(2)
	#define MEMIF_INT_COUNT_ONCE BIT(3)
	#define MEMIF_INT_FIFO_ZERO BIT(4)
	#define MEMIF_INT_FIFO_DEPTH BIT(5)
	#define MEMIF_INT_MASK GENMASK(7, 0)

	#define TODDR_FIFO_CNT GENMASK(19, 8)
	#define FRDDR_FIFO_CNT GENMASK(17, 8)

	#define FIFO_BURST 8
	#define FIFO_DEPTH_32K 0x8000
	#define FIFO_DEPTH_2K 0x800
	#define FIFO_DEPTH_1K 0x400
	#define FIFO_DEPTH_512 0x200

	#define DDRMAX 4

	enum ddr_num {
	DDR_A,
	DDR_B,
	DDR_C,
	DDR_D,
	DDR_E,
	DDR_MAX,
	};

	enum ddr_types {
	LJ_8BITS,
	LJ_16BITS,
	RJ_16BITS,
	LJ_32BITS,
	RJ_32BITS,
	};

	/*
	* from tl1, add new source FRATV, FRHDMIRX, LOOPBACK_B, SPDIFIN_LB, VAD
	*/
	enum toddr_src {
	TODDR_INVAL = -1,
	TDMIN_A = 0,
	TDMIN_B = 1,
	TDMIN_C = 2,
	SPDIFIN = 3,
	PDMIN = 4,
	FRATV = 5, /* NONE for axg, g12a, g12b */
	TDMIN_LB = 6,
	LOOPBACK_A = 7,
	FRHDMIRX = 8, /* from tl1 chipset*/
	LOOPBACK_B = 9,
	SPDIFIN_LB = 10,
	EARCRX_DMAC = 11,/* from sm1 chipset */
	FRHDMIRX_PAO = 12, /* tm2 */
	RESAMPLEA = 13, /* t5 */
	RESAMPLEB = 14,
	VAD = 15,
	PDMIN_B = 16,
	TDMINB_LB = 17,
	TDMIN_D = 18,
	TODDR_SRC_MAX = 19
	};

	enum resample_idx {
	RESAMPLE_A,
	RESAMPLE_B
	};

	enum resample_src {
	ASRC_TODDR_A,
	ASRC_TODDR_B,
	ASRC_TODDR_C,
	ASRC_TODDR_D, /* from tl1 chipset */
	ASRC_LOOPBACK_A,
	ASRC_LOOPBACK_B,
	};

	enum frddr_dest {
	TDMOUT_A,
	TDMOUT_B,
	TDMOUT_C,
	SPDIFOUT_A,
	SPDIFOUT_B,
	EARCTX_DMAC,
	TDMOUT_D,
	FRDDR_MAX
	};

	enum status_sel {
	CURRENT_DDR_ADDR,
	NEXT_FINISH_ADDR,
	COUNT_CURRENT_DDR_ACK,
	COUNT_NEXT_FINISH_DDR_ACK,
	VAD_WAKEUP_ADDR, /* from tl1, vad */
	VAD_FS_ADDR,
	VAD_FIFO_CNT,
	};

	struct toddr_fmt {
	unsigned int type;
	unsigned int msb;
	unsigned int lsb;
	unsigned int endian;
	unsigned int bit_depth;
	unsigned int ch_num;
	unsigned int rate;
	};

	struct toddr_src_conf {
	char name[32];
	unsigned int val;
	unsigned int reg;
	unsigned int shift;
	unsigned int mask;
	};

	struct frddr_src_conf {
	char name[32];
	unsigned int val;
	unsigned int reg;
	unsigned int shift;
	unsigned int mask;
	};

	struct ddr_chipinfo {
	/* INT and Start address is same or separated */
	bool int_start_same_addr;
	/* force finished */
	bool force_finished;
	/* same source */
	bool same_src_fn;
	/* insert channel number */
	bool insert_chnum;

	/* ddr bus in urgent */
	bool ugt;

	/* source sel switch to ctrl1
	* for toddr, 0: source sel is controlled by ctrl0
	* 1: source sel is controlled by ctrl1
	* for frddr, 0: source sel is controlled by ctrl0
	* 1: source sel is controlled by ctrl2
	*/
	bool src_sel_ctrl;

	/*
	* resample source sel switch
	* resample : from ctrl0 to ctrl3
	* toddr : from ctrl0 to ctrl1
	*/
	bool asrc_src_sel_ctrl;
	/* spdif in 32bit, only support left justified */
	bool asrc_only_left_j;

	/* toddr number max
	* 0: default, 3 toddr, axg, g12a, g12b
	* 4: 4 toddr, tl1
	*/
	int fifo_num;
	unsigned int fifo_depth;

	/* power detect or VAD
	* 0: disabled
	* 1: power detect
	* 2: vad
	*/
	int wakeup;

	bool chnum_sync;

	bool burst_finished_flag;

	struct toddr_src_conf *to_srcs;
	struct toddr_src_conf *fr_srcs;
	};

	struct toddr {
	struct device *dev;
	unsigned int resample: 1;
	unsigned int ext_signed: 1;
	unsigned int reg_base;

	struct toddr_fmt fmt;
	unsigned int start_addr;
	unsigned int end_addr;
	unsigned int threshold;

	enum toddr_src src;
	unsigned int fifo_id;

	int is_lb; /* check whether for loopback */
	int irq;
	bool in_use: 1;
	struct aml_audio_controller *actrl;
	struct ddr_chipinfo *chipinfo;
	};

	enum status {
	DISABLED,
	READY, /* controls has set enable, but ddr is not in running */
	RUNNING,
	};

	struct toddr_attach {
	bool enable;
	enum resample_idx id;
	int status;
	/* which module should be attached,
	* check which toddr in use should be attached
	*/
	enum toddr_src attach_module;
	int resample_version;
	struct mutex lock; /* device lock */
	};

	struct frddr_attach {
	bool enable;
	int status;
	/* which module for attach ,
	* check which frddr in use should be added
	*/
	enum frddr_dest attach_module;
	};

	struct frddr {
	struct device *dev;
	enum frddr_dest dest;

	/* dest for same source, whether enable */
	enum frddr_dest ss_dest;
	bool ss_en;
	enum frddr_dest ss2_dest;
	bool ss2_en;

	struct aml_audio_controller *actrl;
	unsigned int reg_base;
	enum ddr_num fifo_id;

	unsigned int channels;
	unsigned int rate;
	unsigned int msb;
	unsigned int type;

	int irq;
	bool in_use;
	struct ddr_chipinfo *chipinfo;

	bool reserved;
	};

	struct ddr_info {
	unsigned int toddr_addr;
	unsigned int frddr_addr;
	char *toddr_name;
	char *frddr_name;
	};

	/* to ddrs */
	struct toddr *fetch_toddr_by_src(int toddr_src);
	struct toddr aml_audio_register_toddr(struct device dev,
	struct aml_audio_controller *actrl,
	irq_handler_t handler, void *data);
	int aml_audio_unregister_toddr(struct device dev, void data);
	void audio_toddr_irq_enable(struct toddr *to, bool en);
	int aml_toddr_set_buf(struct toddr *to, unsigned int start,
	unsigned int end);
	int aml_toddr_set_buf_startaddr(struct toddr *to, unsigned int start);
	int aml_toddr_set_buf_endaddr(struct toddr *to, unsigned int end);

	int aml_toddr_set_intrpt(struct toddr *to, unsigned int intrpt);
	unsigned int aml_toddr_get_position(struct toddr *to);
	unsigned int aml_toddr_get_addr(struct toddr *to, enum status_sel sel);
	void aml_toddr_select_src(struct toddr *to, enum toddr_src);
	void aml_toddr_enable(struct toddr *to, bool enable);
	void aml_toddr_set_fifos(struct toddr *to, unsigned int threshold);
	void aml_toddr_force_finish(struct toddr *to);
	void aml_toddr_set_format(struct toddr to, struct toddr_fmt fmt);

	unsigned int aml_toddr_get_status(struct toddr *to);
	unsigned int aml_toddr_get_fifo_cnt(struct toddr *to);
	void aml_toddr_ack_irq(struct toddr *to, int status);

	void aml_toddr_insert_chanum(struct toddr *to);
	unsigned int aml_toddr_read(struct toddr *to);
	void aml_toddr_write(struct toddr *to, unsigned int val);
	unsigned int aml_toddr_read1(struct toddr *to);
	void aml_toddr_write1(struct toddr *to, unsigned int val);
	unsigned int aml_toddr_read_status2(struct toddr *to);
	bool aml_toddr_burst_finished(struct toddr *to);

	/* resample */
	void aml_set_resample(enum resample_idx id,
	bool enable, enum toddr_src resample_module);
	/* power detect */
	void aml_pwrdet_enable(bool enable, int pwrdet_module);
	/* Voice Activity Detection */
	void aml_set_vad(bool enable, int module);

	/* from ddrs */
	struct frddr *fetch_frddr_by_src(int frddr_src);

	struct frddr aml_audio_register_frddr(struct device dev,
	struct aml_audio_controller *actrl,
	irq_handler_t handler, void *data, bool rvd_dst);
	int aml_audio_unregister_frddr(struct device dev, void data);
	int aml_frddr_set_buf(struct frddr *fr, unsigned int start,
	unsigned int end);
	int aml_frddr_set_intrpt(struct frddr *fr, unsigned int intrpt);
	unsigned int aml_frddr_get_position(struct frddr *fr);
	void aml_frddr_enable(struct frddr *fr, bool enable);
	void aml_frddr_select_dst(struct frddr *fr, enum frddr_dest);
	void aml_frddr_select_dst_ss(struct frddr *fr,
	enum frddr_dest dst, int sel, bool enable);

	int aml_check_sharebuffer_valid(struct frddr *fr, int ss_sel);

	void aml_frddr_set_fifos(struct frddr *fr,
	unsigned int depth, unsigned int threshold);
	unsigned int aml_frddr_get_fifo_id(struct frddr *fr);
	void aml_frddr_set_format(struct frddr *fr,
	unsigned int chnum,
	unsigned int rate,
	unsigned int msb,
	unsigned int frddr_type);

	void aml_frddr_reset(struct frddr *fr, int offset);

	/* audio eq drc */
	void aml_set_aed(bool enable, int aed_module);
	void aml_aed_top_enable(struct frddr *fr, bool enable);

	void frddr_init_without_mngr(unsigned int frddr_index, unsigned int src0_sel);
	void frddr_deinit_without_mngr(unsigned int frddr_index);

	enum toddr_src toddr_src_get(void);
	const char *toddr_src_get_str(enum toddr_src idx);
	int frddr_src_get(void);
	const char *frddr_src_get_str(int idx);

	int card_add_ddr_kcontrols(struct snd_soc_card *card);

	void pm_audio_set_suspend(bool is_suspend);
	bool pm_audio_is_suspend(void);

	void aml_frddr_check(struct frddr *fr);
	void aml_aed_set_frddr_reserved(void);
	void get_toddr_bits_config(enum toddr_src src,
	int bit_depth, int msb, int lsb);
	int aml_check_and_release_sharebuffer(struct frddr *fr, enum frddr_dest ss_sel);

	#endif