/* $NetBSD: sunxi_codec.h,v 1.8 2021/05/05 20:58:03 jmcneill Exp $ */

/*-
 * Copyright (c) 2014-2017 Jared McNeill <jmcneill@invisible.ca>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef _ARM_SUNXI_CODEC_H
#define _ARM_SUNXI_CODEC_H

#include <sys/audioio.h>
#include <dev/audio/audio_if.h>

#include <dev/fdt/fdtvar.h>

#include "h3_codec.h"
#include "v3s_codec.h"

struct sunxi_codec_softc;

struct sunxi_codec_conf {
        const char      *name;

        /* initialize codec */
        int             (*init)(struct sunxi_codec_softc *);
        /* toggle DAC/ADC mute */
        void            (*mute)(struct sunxi_codec_softc *, int, u_int);
        /* mixer controls */
        int             (*set_port)(struct sunxi_codec_softc *,
                                    mixer_ctrl_t *);
        int             (*get_port)(struct sunxi_codec_softc *,
                                    mixer_ctrl_t *);
        int             (*query_devinfo)(struct sunxi_codec_softc *,
                                         mixer_devinfo_t *);

        /* register map */
        bus_size_t      DPC,
                        DAC_FIFOC,
                        DAC_FIFOS,
                        DAC_TXDATA,
                        ADC_FIFOC,
                        ADC_FIFOS,
                        ADC_RXDATA,
                        DAC_CNT,
                        ADC_CNT;
};

struct sunxi_codec_chan {
        struct sunxi_codec_softc *ch_sc;
        u_int                   ch_mode;

        struct fdtbus_dma       *ch_dma;
        struct fdtbus_dma_req   ch_req;

        audio_params_t          ch_params;

        bus_addr_t              ch_start_phys;
        bus_addr_t              ch_end_phys;
        bus_addr_t              ch_cur_phys;
        int                     ch_blksize;

        void                    (*ch_intr)(void *);
        void                    *ch_intrarg;
};

struct sunxi_codec_dma {
        LIST_ENTRY(sunxi_codec_dma) dma_list;
        bus_dmamap_t            dma_map;
        void                    *dma_addr;
        size_t                  dma_size;
        bus_dma_segment_t       dma_segs[1];
        int                     dma_nsegs;
};

struct sunxi_codec_softc {
        device_t                sc_dev;
        bus_space_tag_t         sc_bst;
        bus_space_handle_t      sc_bsh;
        bus_dma_tag_t           sc_dmat;
        int                     sc_phandle;
        bus_addr_t              sc_baseaddr;

        const struct sunxi_codec_conf   *sc_cfg;
        void                    *sc_codec_priv;

        struct fdtbus_gpio_pin  *sc_pin_pa;

        LIST_HEAD(, sunxi_codec_dma) sc_dmalist;

        kmutex_t                sc_lock;
        kmutex_t                sc_intr_lock;

        struct audio_format     sc_format;

        struct sunxi_codec_chan sc_pchan;
        struct sunxi_codec_chan sc_rchan;
};

#if NH3_CODEC > 0
extern const struct sunxi_codec_conf sun8i_h3_codecconf;
#define H3_CODEC_COMPATDATA                                             \
        { .compat = "allwinner,sun8i-h3-codec",                         \
          .data = &sun8i_h3_codecconf },
#else
#define H3_CODEC_COMPATDATA
#endif

#if NV3S_CODEC > 0
extern const struct sunxi_codec_conf sun8i_v3s_codecconf;
#define V3S_CODEC_COMPATDATA                                            \
        { .compat = "allwinner,sun8i-v3s-codec",                        \
          .data = &sun8i_v3s_codecconf },
#else
#define V3S_CODEC_COMPATDATA
#endif

extern const struct sunxi_codec_conf sun4i_a10_codecconf;
#define A10_CODEC_COMPATDATA                                            \
        { .compat = "allwinner,sun4i-a10-codec",                        \
          .data = &sun4i_a10_codecconf },                               \
        { .compat = "allwinner,sun7i-a20-codec",                        \
          .data = &sun4i_a10_codecconf },

extern const struct sunxi_codec_conf sun6i_a31_codecconf;
#define A31_CODEC_COMPATDATA                                            \
        { .compat = "allwinner,sun6i-a31-codec",                        \
          .data = &sun6i_a31_codecconf },

#endif /* !_ARM_SUNXI_CODEC_H */