/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * v4l2 device driver for cx2388x based TV cards
 *
 * (c) 2003,04 Gerd Knorr <kraxel@bytesex.org> [SUSE Labs]
 */

#ifndef CX88_H
#define CX88_H

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/pci.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <linux/videodev2.h>
#include <linux/kdev_t.h>
#include <linux/refcount.h>

#include <media/v4l2-device.h>
#include <media/v4l2-fh.h>
#include <media/tuner.h>
#include <media/tveeprom.h>
#include <media/videobuf2-dma-sg.h>
#include <media/drv-intf/cx2341x.h>
#include <media/videobuf2-dvb.h>
#include <media/i2c/ir-kbd-i2c.h>
#include <media/i2c/wm8775.h>

#include "cx88-reg.h"
#include "xc2028.h"

#include <linux/mutex.h>

#define CX88_VERSION "1.0.0"

#define UNSET (-1U)

#define CX88_MAXBOARDS 8

/* Max number of inputs by card */
#define MAX_CX88_INPUT 8

/* ----------------------------------------------------------- */
/* defines and enums                                           */

/* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM/LC */
#define CX88_NORMS (V4L2_STD_ALL                \
                    & ~V4L2_STD_PAL_H           \
                    & ~V4L2_STD_NTSC_M_KR       \
                    & ~V4L2_STD_SECAM_LC)

#define FORMAT_FLAGS_PACKED       0x01
#define FORMAT_FLAGS_PLANAR       0x02

#define VBI_LINE_PAL_COUNT              18
#define VBI_LINE_NTSC_COUNT             12
#define VBI_LINE_LENGTH           2048

#define AUD_RDS_LINES                4

/* need "shadow" registers for some write-only ones ... */
#define SHADOW_AUD_VOL_CTL           1
#define SHADOW_AUD_BAL_CTL           2
#define SHADOW_MAX                   3

/* FM Radio deemphasis type */
enum cx88_deemph_type {
        FM_NO_DEEMPH = 0,
        FM_DEEMPH_50,
        FM_DEEMPH_75
};

enum cx88_board_type {
        CX88_BOARD_NONE = 0,
        CX88_MPEG_DVB,
        CX88_MPEG_BLACKBIRD
};

enum cx8802_board_access {
        CX8802_DRVCTL_SHARED    = 1,
        CX8802_DRVCTL_EXCLUSIVE = 2,
};

/* ----------------------------------------------------------- */
/* tv norms                                                    */

static inline unsigned int norm_maxw(v4l2_std_id norm)
{
        return 720;
}

static inline unsigned int norm_maxh(v4l2_std_id norm)
{
        return (norm & V4L2_STD_525_60) ? 480 : 576;
}

/* ----------------------------------------------------------- */
/* static data                                                 */

struct cx8800_fmt {
        u32   fourcc;          /* v4l2 format id */
        int   depth;
        int   flags;
        u32   cxformat;
};

/* ----------------------------------------------------------- */
/* SRAM memory management data (see cx88-core.c)               */

#define SRAM_CH21 0   /* video */
#define SRAM_CH22 1
#define SRAM_CH23 2
#define SRAM_CH24 3   /* vbi   */
#define SRAM_CH25 4   /* audio */
#define SRAM_CH26 5
#define SRAM_CH28 6   /* mpeg */
#define SRAM_CH27 7   /* audio rds */
/* more */

struct sram_channel {
        const char *name;
        u32  cmds_start;
        u32  ctrl_start;
        u32  cdt;
        u32  fifo_start;
        u32  fifo_size;
        u32  ptr1_reg;
        u32  ptr2_reg;
        u32  cnt1_reg;
        u32  cnt2_reg;
};

extern const struct sram_channel cx88_sram_channels[];

/* ----------------------------------------------------------- */
/* card configuration                                          */

#define CX88_BOARD_NOAUTO               UNSET
#define CX88_BOARD_UNKNOWN                  0
#define CX88_BOARD_HAUPPAUGE                1
#define CX88_BOARD_GDI                      2
#define CX88_BOARD_PIXELVIEW                3
#define CX88_BOARD_ATI_WONDER_PRO           4
#define CX88_BOARD_WINFAST2000XP_EXPERT     5
#define CX88_BOARD_AVERTV_STUDIO_303        6
#define CX88_BOARD_MSI_TVANYWHERE_MASTER    7
#define CX88_BOARD_WINFAST_DV2000           8
#define CX88_BOARD_LEADTEK_PVR2000          9
#define CX88_BOARD_IODATA_GVVCP3PCI        10
#define CX88_BOARD_PROLINK_PLAYTVPVR       11
#define CX88_BOARD_ASUS_PVR_416            12
#define CX88_BOARD_MSI_TVANYWHERE          13
#define CX88_BOARD_KWORLD_DVB_T            14
#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1 15
#define CX88_BOARD_KWORLD_LTV883           16
#define CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q  17
#define CX88_BOARD_HAUPPAUGE_DVB_T1        18
#define CX88_BOARD_CONEXANT_DVB_T1         19
#define CX88_BOARD_PROVIDEO_PV259          20
#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS 21
#define CX88_BOARD_PCHDTV_HD3000           22
#define CX88_BOARD_DNTV_LIVE_DVB_T         23
#define CX88_BOARD_HAUPPAUGE_ROSLYN        24
#define CX88_BOARD_DIGITALLOGIC_MEC        25
#define CX88_BOARD_IODATA_GVBCTV7E         26
#define CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO 27
#define CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T  28
#define CX88_BOARD_ADSTECH_DVB_T_PCI          29
#define CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1  30
#define CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD 31
#define CX88_BOARD_AVERMEDIA_ULTRATV_MC_550 32
#define CX88_BOARD_KWORLD_VSTREAM_EXPERT_DVD 33
#define CX88_BOARD_ATI_HDTVWONDER          34
#define CX88_BOARD_WINFAST_DTV1000         35
#define CX88_BOARD_AVERTV_303              36
#define CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1  37
#define CX88_BOARD_HAUPPAUGE_NOVASE2_S1    38
#define CX88_BOARD_KWORLD_DVBS_100         39
#define CX88_BOARD_HAUPPAUGE_HVR1100       40
#define CX88_BOARD_HAUPPAUGE_HVR1100LP     41
#define CX88_BOARD_DNTV_LIVE_DVB_T_PRO     42
#define CX88_BOARD_KWORLD_DVB_T_CX22702    43
#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL 44
#define CX88_BOARD_KWORLD_HARDWARE_MPEG_TV_XPERT 45
#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_HYBRID 46
#define CX88_BOARD_PCHDTV_HD5500           47
#define CX88_BOARD_KWORLD_MCE200_DELUXE    48
#define CX88_BOARD_PIXELVIEW_PLAYTV_P7000  49
#define CX88_BOARD_NPGTECH_REALTV_TOP10FM  50
#define CX88_BOARD_WINFAST_DTV2000H        51
#define CX88_BOARD_GENIATECH_DVBS          52
#define CX88_BOARD_HAUPPAUGE_HVR3000       53
#define CX88_BOARD_NORWOOD_MICRO           54
#define CX88_BOARD_TE_DTV_250_OEM_SWANN    55
#define CX88_BOARD_HAUPPAUGE_HVR1300       56
#define CX88_BOARD_ADSTECH_PTV_390         57
#define CX88_BOARD_PINNACLE_PCTV_HD_800i   58
#define CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO 59
#define CX88_BOARD_PINNACLE_HYBRID_PCTV    60
#define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL 61
#define CX88_BOARD_POWERCOLOR_REAL_ANGEL   62
#define CX88_BOARD_GENIATECH_X8000_MT      63
#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PRO 64
#define CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD 65
#define CX88_BOARD_PROLINK_PV_8000GT       66
#define CX88_BOARD_KWORLD_ATSC_120         67
#define CX88_BOARD_HAUPPAUGE_HVR4000       68
#define CX88_BOARD_HAUPPAUGE_HVR4000LITE   69
#define CX88_BOARD_TEVII_S460              70
#define CX88_BOARD_OMICOM_SS4_PCI          71
#define CX88_BOARD_TBS_8920                72
#define CX88_BOARD_TEVII_S420              73
#define CX88_BOARD_PROLINK_PV_GLOBAL_XTREME 74
#define CX88_BOARD_PROF_7300               75
#define CX88_BOARD_SATTRADE_ST4200         76
#define CX88_BOARD_TBS_8910                77
#define CX88_BOARD_PROF_6200               78
#define CX88_BOARD_TERRATEC_CINERGY_HT_PCI_MKII 79
#define CX88_BOARD_HAUPPAUGE_IRONLY        80
#define CX88_BOARD_WINFAST_DTV1800H        81
#define CX88_BOARD_WINFAST_DTV2000H_J      82
#define CX88_BOARD_PROF_7301               83
#define CX88_BOARD_SAMSUNG_SMT_7020        84
#define CX88_BOARD_TWINHAN_VP1027_DVBS     85
#define CX88_BOARD_TEVII_S464              86
#define CX88_BOARD_WINFAST_DTV2000H_PLUS   87
#define CX88_BOARD_WINFAST_DTV1800H_XC4000 88
#define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36 89
#define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43 90
#define CX88_BOARD_NOTONLYTV_LV3H          91

enum cx88_itype {
        CX88_VMUX_COMPOSITE1 = 1,
        CX88_VMUX_COMPOSITE2,
        CX88_VMUX_COMPOSITE3,
        CX88_VMUX_COMPOSITE4,
        CX88_VMUX_SVIDEO,
        CX88_VMUX_TELEVISION,
        CX88_VMUX_CABLE,
        CX88_VMUX_DVB,
        CX88_VMUX_DEBUG,
        CX88_RADIO,
};

struct cx88_input {
        enum cx88_itype type;
        u32             gpio0, gpio1, gpio2, gpio3;
        unsigned int    vmux:2;
        unsigned int    audioroute:4;
};

enum cx88_audio_chip {
        CX88_AUDIO_WM8775 = 1,
        CX88_AUDIO_TVAUDIO,
};

struct cx88_board {
        const char              *name;
        unsigned int            tuner_type;
        unsigned int            radio_type;
        unsigned char           tuner_addr;
        unsigned char           radio_addr;
        int                     tda9887_conf;
        struct cx88_input       input[MAX_CX88_INPUT];
        struct cx88_input       radio;
        enum cx88_board_type    mpeg;
        enum cx88_audio_chip    audio_chip;
        int                     num_frontends;

        /* Used for I2S devices */
        int                     i2sinputcntl;
};

struct cx88_subid {
        u16     subvendor;
        u16     subdevice;
        u32     card;
};

enum cx88_tvaudio {
        WW_NONE = 1,
        WW_BTSC,
        WW_BG,
        WW_DK,
        WW_I,
        WW_L,
        WW_EIAJ,
        WW_I2SPT,
        WW_FM,
        WW_I2SADC,
        WW_M
};

#define INPUT(nr) (core->board.input[nr])

/* ----------------------------------------------------------- */
/* device / file handle status                                 */

#define RESOURCE_OVERLAY       1
#define RESOURCE_VIDEO         2
#define RESOURCE_VBI           4

#define BUFFER_TIMEOUT     msecs_to_jiffies(2000)

struct cx88_riscmem {
        unsigned int   size;
        __le32         *cpu;
        __le32         *jmp;
        dma_addr_t     dma;
};

/* buffer for one video frame */
struct cx88_buffer {
        /* common v4l buffer stuff -- must be first */
        struct vb2_v4l2_buffer vb;
        struct list_head       list;

        /* cx88 specific */
        unsigned int           bpl;
        struct cx88_riscmem    risc;
};

struct cx88_dmaqueue {
        struct list_head       active;
        u32                    count;
};

struct cx8800_dev;
struct cx8802_dev;

struct cx88_core {
        struct list_head           devlist;
        refcount_t                 refcount;

        /* board name */
        int                        nr;
        char                       name[32];
        u32                        model;

        /* pci stuff */
        int                        pci_bus;
        int                        pci_slot;
        u32                        __iomem *lmmio;
        u8                         __iomem *bmmio;
        u32                        shadow[SHADOW_MAX];
        int                        pci_irqmask;

        /* i2c i/o */
        struct i2c_adapter         i2c_adap;
        struct i2c_algo_bit_data   i2c_algo;
        struct i2c_client          i2c_client;
        u32                        i2c_state, i2c_rc;

        /* config info -- analog */
        struct v4l2_device         v4l2_dev;
        struct v4l2_ctrl_handler   video_hdl;
        struct v4l2_ctrl           *chroma_agc;
        struct v4l2_ctrl_handler   audio_hdl;
        struct v4l2_subdev         *sd_wm8775;
        struct i2c_client          *i2c_rtc;
        unsigned int               boardnr;
        struct cx88_board          board;

        /* Supported V4L _STD_ tuner formats */
        unsigned int               tuner_formats;

        /* config info -- dvb */
#if IS_ENABLED(CONFIG_VIDEO_CX88_DVB)
        int     (*prev_set_voltage)(struct dvb_frontend *fe,
                                    enum fe_sec_voltage voltage);
#endif
        void    (*gate_ctrl)(struct cx88_core *core, int open);

        /* state info */
        struct task_struct         *kthread;
        v4l2_std_id                tvnorm;
        unsigned int               width, height;
        unsigned int               field;
        enum cx88_tvaudio          tvaudio;
        u32                        audiomode_manual;
        u32                        audiomode_current;
        u32                        input;
        u32                        last_analog_input;
        u32                        astat;
        u32                        use_nicam;
        unsigned long              last_change;

        /* IR remote control state */
        struct cx88_IR             *ir;

        /* I2C remote data */
        struct IR_i2c_init_data    init_data;
        struct wm8775_platform_data wm8775_data;

        struct mutex               lock;
        /* various v4l controls */
        u32                        freq;

        /*
         * cx88-video needs to access cx8802 for hybrid tuner pll access and
         * for vb2_is_busy() checks.
         */
        struct cx8802_dev          *dvbdev;
        /* cx88-blackbird needs to access cx8800 for vb2_is_busy() checks */
        struct cx8800_dev          *v4ldev;
        enum cx88_board_type       active_type_id;
        int                        active_ref;
        int                        active_fe_id;
};

static inline struct cx88_core *to_core(struct v4l2_device *v4l2_dev)
{
        return container_of(v4l2_dev, struct cx88_core, v4l2_dev);
}

#define call_hw(core, grpid, o, f, args...) \
        do {                                                    \
                if (!core->i2c_rc) {                            \
                        if (core->gate_ctrl)                    \
                                core->gate_ctrl(core, 1);       \
                        v4l2_device_call_all(&core->v4l2_dev,   \
                                             grpid, o, f, ##args); \
                        if (core->gate_ctrl)                    \
                                core->gate_ctrl(core, 0);       \
                }                                               \
        } while (0)

#define call_all(core, o, f, args...) call_hw(core, 0, o, f, ##args)

#define WM8775_GID      (1 << 0)

#define wm8775_s_ctrl(core, id, val) \
        do {                                                            \
                struct v4l2_ctrl *ctrl_ =                               \
                        v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id);\
                if (ctrl_ && !core->i2c_rc) {                           \
                        if (core->gate_ctrl)                            \
                                core->gate_ctrl(core, 1);               \
                        v4l2_ctrl_s_ctrl(ctrl_, val);                   \
                        if (core->gate_ctrl)                            \
                                core->gate_ctrl(core, 0);               \
                }                                                       \
        } while (0)

#define wm8775_g_ctrl(core, id) \
        ({                                                              \
                struct v4l2_ctrl *ctrl_ =                               \
                        v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id);\
                s32 val = 0;                                            \
                if (ctrl_ && !core->i2c_rc) {                           \
                        if (core->gate_ctrl)                            \
                                core->gate_ctrl(core, 1);               \
                        val = v4l2_ctrl_g_ctrl(ctrl_);                  \
                        if (core->gate_ctrl)                            \
                                core->gate_ctrl(core, 0);               \
                }                                                       \
                val;                                                    \
        })

/* ----------------------------------------------------------- */
/* function 0: video stuff                                     */

struct cx8800_suspend_state {
        int                        disabled;
};

struct cx8800_dev {
        struct cx88_core           *core;
        spinlock_t                 slock;

        /* various device info */
        unsigned int               resources;
        struct video_device        video_dev;
        struct video_device        vbi_dev;
        struct video_device        radio_dev;

        /* pci i/o */
        struct pci_dev             *pci;
        unsigned char              pci_rev, pci_lat;

        const struct cx8800_fmt    *fmt;

        /* capture queues */
        struct cx88_dmaqueue       vidq;
        struct vb2_queue           vb2_vidq;
        struct cx88_dmaqueue       vbiq;
        struct vb2_queue           vb2_vbiq;

        /* various v4l controls */

        /* other global state info */
        struct cx8800_suspend_state state;
};

/* ----------------------------------------------------------- */
/* function 1: audio/alsa stuff                                */
/* =============> moved to cx88-alsa.c <====================== */

/* ----------------------------------------------------------- */
/* function 2: mpeg stuff                                      */

struct cx8802_suspend_state {
        int                        disabled;
};

struct cx8802_driver {
        struct cx88_core *core;

        /* List of drivers attached to device */
        struct list_head drvlist;

        /* Type of driver and access required */
        enum cx88_board_type type_id;
        enum cx8802_board_access hw_access;

        /* MPEG 8802 internal only */
        int (*suspend)(struct pci_dev *pci_dev, pm_message_t state);
        int (*resume)(struct pci_dev *pci_dev);

        /* Callers to the following functions must hold core->lock */

        /* MPEG 8802 -> mini driver - Driver probe and configuration */
        int (*probe)(struct cx8802_driver *drv);
        int (*remove)(struct cx8802_driver *drv);

        /* MPEG 8802 -> mini driver - Access for hardware control */
        int (*advise_acquire)(struct cx8802_driver *drv);
        int (*advise_release)(struct cx8802_driver *drv);

        /* MPEG 8802 <- mini driver - Access for hardware control */
        int (*request_acquire)(struct cx8802_driver *drv);
        int (*request_release)(struct cx8802_driver *drv);
};

struct cx8802_dev {
        struct cx88_core           *core;
        spinlock_t                 slock;

        /* pci i/o */
        struct pci_dev             *pci;
        unsigned char              pci_rev, pci_lat;

        /* dma queues */
        struct cx88_dmaqueue       mpegq;
        struct vb2_queue           vb2_mpegq;
        u32                        ts_packet_size;
        u32                        ts_packet_count;

        /* other global state info */
        struct cx8802_suspend_state state;

        /* for blackbird only */
        struct list_head           devlist;
#if IS_ENABLED(CONFIG_VIDEO_CX88_BLACKBIRD)
        struct video_device        mpeg_dev;
        u32                        mailbox;

        /* mpeg params */
        struct cx2341x_handler     cxhdl;

#endif

#if IS_ENABLED(CONFIG_VIDEO_CX88_DVB)
        /* for dvb only */
        struct vb2_dvb_frontends frontends;
#endif

#if IS_ENABLED(CONFIG_VIDEO_CX88_VP3054)
        /* For VP3045 secondary I2C bus support */
        struct vp3054_i2c_state    *vp3054;
#endif
        /* for switching modulation types */
        unsigned char              ts_gen_cntrl;

        /* List of attached drivers; must hold core->lock to access */
        struct list_head           drvlist;

        struct work_struct         request_module_wk;
};

/* ----------------------------------------------------------- */

#define cx_read(reg)             readl(core->lmmio + ((reg) >> 2))
#define cx_write(reg, value)     writel((value), core->lmmio + ((reg) >> 2))
#define cx_writeb(reg, value)    writeb((value), core->bmmio + (reg))

#define cx_andor(reg, mask, value) \
        writel((readl(core->lmmio + ((reg) >> 2)) & ~(mask)) |\
        ((value) & (mask)), core->lmmio + ((reg) >> 2))
#define cx_set(reg, bit)         cx_andor((reg), (bit), (bit))
#define cx_clear(reg, bit)       cx_andor((reg), (bit), 0)

#define cx_wait(d) { if (need_resched()) schedule(); else udelay(d); }

/* shadow registers */
#define cx_sread(sreg)              (core->shadow[sreg])
#define cx_swrite(sreg, reg, value) \
        (core->shadow[sreg] = value, \
        writel(core->shadow[sreg], core->lmmio + ((reg) >> 2)))
#define cx_sandor(sreg, reg, mask, value) \
        (core->shadow[sreg] = (core->shadow[sreg] & ~(mask)) | \
                               ((value) & (mask)), \
                                writel(core->shadow[sreg], \
                                       core->lmmio + ((reg) >> 2)))

/* ----------------------------------------------------------- */
/* cx88-core.c                                                 */

extern unsigned int cx88_core_debug;

void cx88_print_irqbits(const char *tag, const char *strings[],
                        int len, u32 bits, u32 mask);

int cx88_core_irq(struct cx88_core *core, u32 status);
void cx88_wakeup(struct cx88_core *core,
                 struct cx88_dmaqueue *q, u32 count);
void cx88_shutdown(struct cx88_core *core);
int cx88_reset(struct cx88_core *core);

extern int
cx88_risc_buffer(struct pci_dev *pci, struct cx88_riscmem *risc,
                 struct scatterlist *sglist,
                 unsigned int top_offset, unsigned int bottom_offset,
                 unsigned int bpl, unsigned int padding, unsigned int lines);
extern int
cx88_risc_databuffer(struct pci_dev *pci, struct cx88_riscmem *risc,
                     struct scatterlist *sglist, unsigned int bpl,
                     unsigned int lines, unsigned int lpi);

void cx88_risc_disasm(struct cx88_core *core,
                      struct cx88_riscmem *risc);
int cx88_sram_channel_setup(struct cx88_core *core,
                            const struct sram_channel *ch,
                            unsigned int bpl, u32 risc);
void cx88_sram_channel_dump(struct cx88_core *core,
                            const struct sram_channel *ch);

int cx88_set_scale(struct cx88_core *core, unsigned int width,
                   unsigned int height, enum v4l2_field field);
int cx88_set_tvnorm(struct cx88_core *core, v4l2_std_id norm);

void cx88_vdev_init(struct cx88_core *core,
                    struct pci_dev *pci,
                    struct video_device *vfd,
                    const struct video_device *template_,
                    const char *type);
struct cx88_core *cx88_core_get(struct pci_dev *pci);
void cx88_core_put(struct cx88_core *core,
                   struct pci_dev *pci);

int cx88_start_audio_dma(struct cx88_core *core);
int cx88_stop_audio_dma(struct cx88_core *core);

/* ----------------------------------------------------------- */
/* cx88-vbi.c                                                  */

/* Can be used as g_vbi_fmt, try_vbi_fmt and s_vbi_fmt */
int cx8800_vbi_fmt(struct file *file, void *priv,
                   struct v4l2_format *f);

void cx8800_stop_vbi_dma(struct cx8800_dev *dev);
int cx8800_restart_vbi_queue(struct cx8800_dev *dev, struct cx88_dmaqueue *q);

extern const struct vb2_ops cx8800_vbi_qops;

/* ----------------------------------------------------------- */
/* cx88-i2c.c                                                  */

int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci);

/* ----------------------------------------------------------- */
/* cx88-cards.c                                                */

int cx88_tuner_callback(void *dev, int component, int command, int arg);
int cx88_get_resources(const struct cx88_core *core,
                       struct pci_dev *pci);
struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr);
void cx88_setup_xc3028(struct cx88_core *core, struct xc2028_ctrl *ctl);

/* ----------------------------------------------------------- */
/* cx88-tvaudio.c                                              */

void cx88_set_tvaudio(struct cx88_core *core);
void cx88_newstation(struct cx88_core *core);
void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t);
void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual);
int cx88_audio_thread(void *data);

int cx8802_register_driver(struct cx8802_driver *drv);
int cx8802_unregister_driver(struct cx8802_driver *drv);

/* Caller must hold core->lock */
struct cx8802_driver *cx8802_get_driver(struct cx8802_dev *dev,
                                        enum cx88_board_type btype);

/* ----------------------------------------------------------- */
/* cx88-dsp.c                                                  */

s32 cx88_dsp_detect_stereo_sap(struct cx88_core *core);

/* ----------------------------------------------------------- */
/* cx88-input.c                                                */

int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci);
int cx88_ir_fini(struct cx88_core *core);
void cx88_ir_irq(struct cx88_core *core);
int cx88_ir_start(struct cx88_core *core);
void cx88_ir_stop(struct cx88_core *core);
void cx88_i2c_init_ir(struct cx88_core *core);

/* ----------------------------------------------------------- */
/* cx88-mpeg.c                                                 */

int cx8802_buf_prepare(struct vb2_queue *q, struct cx8802_dev *dev,
                       struct cx88_buffer *buf);
void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf);
void cx8802_cancel_buffers(struct cx8802_dev *dev);
int cx8802_start_dma(struct cx8802_dev    *dev,
                     struct cx88_dmaqueue *q,
                     struct cx88_buffer   *buf);

/* ----------------------------------------------------------- */
/* cx88-video.c*/
int cx88_enum_input(struct cx88_core *core, struct v4l2_input *i);
int cx88_set_freq(struct cx88_core  *core, const struct v4l2_frequency *f);
int cx88_video_mux(struct cx88_core *core, unsigned int input);
int cx88_querycap(struct file *file, struct cx88_core *core,
                  struct v4l2_capability *cap);

#endif