Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 731 insertions, 0 deletions

diff --git a/drivers/media/pci/cx88/cx88.h b/drivers/media/pci/cx88/cx88.h
new file mode 100644
index 0000000000..2ff3226a52
--- /dev/null
+++ b/drivers/media/pci/cx88/cx88.h
@@ -0,0 +1,731 @@
+/* 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