--- /dev/null
+/*
+ * Driver for the Conexant CX23885 PCIe bridge
+ *
+ * Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ */
+
+#include <linux/pci.h>
+#include <linux/i2c.h>
+#include <linux/kdev_t.h>
+#include <linux/slab.h>
+
+#include <media/v4l2-device.h>
+#include <media/v4l2-fh.h>
+#include <media/v4l2-ctrls.h>
+#include <media/tuner.h>
+#include <media/tveeprom.h>
+#include <media/videobuf2-dma-sg.h>
+#include <media/videobuf2-dvb.h>
+#include <media/rc-core.h>
+
+#include "cx23885-reg.h"
+#include "media/cx2341x.h"
+
+#include <linux/mutex.h>
+
+#define CX23885_VERSION "0.0.4"
+
+#define UNSET (-1U)
+
+#define CX23885_MAXBOARDS 8
+
+/* Max number of inputs by card */
+#define MAX_CX23885_INPUT 8
+#define INPUT(nr) (&cx23885_boards[dev->board].input[nr])
+
+#define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */
+
+#define CX23885_BOARD_NOAUTO UNSET
+#define CX23885_BOARD_UNKNOWN 0
+#define CX23885_BOARD_HAUPPAUGE_HVR1800lp 1
+#define CX23885_BOARD_HAUPPAUGE_HVR1800 2
+#define CX23885_BOARD_HAUPPAUGE_HVR1250 3
+#define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP 4
+#define CX23885_BOARD_HAUPPAUGE_HVR1500Q 5
+#define CX23885_BOARD_HAUPPAUGE_HVR1500 6
+#define CX23885_BOARD_HAUPPAUGE_HVR1200 7
+#define CX23885_BOARD_HAUPPAUGE_HVR1700 8
+#define CX23885_BOARD_HAUPPAUGE_HVR1400 9
+#define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
+#define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
+#define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12
+#define CX23885_BOARD_COMPRO_VIDEOMATE_E650F 13
+#define CX23885_BOARD_TBS_6920 14
+#define CX23885_BOARD_TEVII_S470 15
+#define CX23885_BOARD_DVBWORLD_2005 16
+#define CX23885_BOARD_NETUP_DUAL_DVBS2_CI 17
+#define CX23885_BOARD_HAUPPAUGE_HVR1270 18
+#define CX23885_BOARD_HAUPPAUGE_HVR1275 19
+#define CX23885_BOARD_HAUPPAUGE_HVR1255 20
+#define CX23885_BOARD_HAUPPAUGE_HVR1210 21
+#define CX23885_BOARD_MYGICA_X8506 22
+#define CX23885_BOARD_MAGICPRO_PROHDTVE2 23
+#define CX23885_BOARD_HAUPPAUGE_HVR1850 24
+#define CX23885_BOARD_COMPRO_VIDEOMATE_E800 25
+#define CX23885_BOARD_HAUPPAUGE_HVR1290 26
+#define CX23885_BOARD_MYGICA_X8558PRO 27
+#define CX23885_BOARD_LEADTEK_WINFAST_PXTV1200 28
+#define CX23885_BOARD_GOTVIEW_X5_3D_HYBRID 29
+#define CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF 30
+#define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H_XC4000 31
+#define CX23885_BOARD_MPX885 32
+#define CX23885_BOARD_MYGICA_X8507 33
+#define CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL 34
+#define CX23885_BOARD_TEVII_S471 35
+#define CX23885_BOARD_HAUPPAUGE_HVR1255_22111 36
+#define CX23885_BOARD_PROF_8000 37
+#define CX23885_BOARD_HAUPPAUGE_HVR4400 38
+#define CX23885_BOARD_AVERMEDIA_HC81R 39
+#define CX23885_BOARD_TBS_6981 40
+#define CX23885_BOARD_TBS_6980 41
+#define CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200 42
+#define CX23885_BOARD_HAUPPAUGE_IMPACTVCBE 43
+#define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP2 44
+#define CX23885_BOARD_DVBSKY_T9580 45
+#define CX23885_BOARD_DVBSKY_T980C 46
+#define CX23885_BOARD_DVBSKY_S950C 47
+#define CX23885_BOARD_TT_CT2_4500_CI 48
+#define CX23885_BOARD_DVBSKY_S950 49
+#define CX23885_BOARD_DVBSKY_S952 50
+#define CX23885_BOARD_DVBSKY_T982 51
+#define CX23885_BOARD_HAUPPAUGE_HVR5525 52
+#define CX23885_BOARD_HAUPPAUGE_STARBURST 53
+
+#define GPIO_0 0x00000001
+#define GPIO_1 0x00000002
+#define GPIO_2 0x00000004
+#define GPIO_3 0x00000008
+#define GPIO_4 0x00000010
+#define GPIO_5 0x00000020
+#define GPIO_6 0x00000040
+#define GPIO_7 0x00000080
+#define GPIO_8 0x00000100
+#define GPIO_9 0x00000200
+#define GPIO_10 0x00000400
+#define GPIO_11 0x00000800
+#define GPIO_12 0x00001000
+#define GPIO_13 0x00002000
+#define GPIO_14 0x00004000
+#define GPIO_15 0x00008000
+
+/* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
+#define CX23885_NORMS (\
+ V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443 | \
+ V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \
+ V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | \
+ V4L2_STD_PAL_60 | V4L2_STD_SECAM_L | V4L2_STD_SECAM_DK)
+
+struct cx23885_fmt {
+ char *name;
+ u32 fourcc; /* v4l2 format id */
+ int depth;
+ int flags;
+ u32 cxformat;
+};
+
+struct cx23885_tvnorm {
+ char *name;
+ v4l2_std_id id;
+ u32 cxiformat;
+ u32 cxoformat;
+};
+
+enum cx23885_itype {
+ CX23885_VMUX_COMPOSITE1 = 1,
+ CX23885_VMUX_COMPOSITE2,
+ CX23885_VMUX_COMPOSITE3,
+ CX23885_VMUX_COMPOSITE4,
+ CX23885_VMUX_SVIDEO,
+ CX23885_VMUX_COMPONENT,
+ CX23885_VMUX_TELEVISION,
+ CX23885_VMUX_CABLE,
+ CX23885_VMUX_DVB,
+ CX23885_VMUX_DEBUG,
+ CX23885_RADIO,
+};
+
+enum cx23885_src_sel_type {
+ CX23885_SRC_SEL_EXT_656_VIDEO = 0,
+ CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
+};
+
+struct cx23885_riscmem {
+ unsigned int size;
+ __le32 *cpu;
+ __le32 *jmp;
+ dma_addr_t dma;
+};
+
+/* buffer for one video frame */
+struct cx23885_buffer {
+ /* common v4l buffer stuff -- must be first */
+ struct vb2_buffer vb;
+ struct list_head queue;
+
+ /* cx23885 specific */
+ unsigned int bpl;
+ struct cx23885_riscmem risc;
+ struct cx23885_fmt *fmt;
+ u32 count;
+};
+
+struct cx23885_input {
+ enum cx23885_itype type;
+ unsigned int vmux;
+ unsigned int amux;
+ u32 gpio0, gpio1, gpio2, gpio3;
+};
+
+typedef enum {
+ CX23885_MPEG_UNDEFINED = 0,
+ CX23885_MPEG_DVB,
+ CX23885_ANALOG_VIDEO,
+ CX23885_MPEG_ENCODER,
+} port_t;
+
+struct cx23885_board {
+ char *name;
+ port_t porta, portb, portc;
+ int num_fds_portb, num_fds_portc;
+ unsigned int tuner_type;
+ unsigned int radio_type;
+ unsigned char tuner_addr;
+ unsigned char radio_addr;
+ unsigned int tuner_bus;
+
+ /* Vendors can and do run the PCIe bridge at different
+ * clock rates, driven physically by crystals on the PCBs.
+ * The core has to accommodate this. This allows the user
+ * to add new boards with new frequencys. The value is
+ * expressed in Hz.
+ *
+ * The core framework will default this value based on
+ * current designs, but it can vary.
+ */
+ u32 clk_freq;
+ struct cx23885_input input[MAX_CX23885_INPUT];
+ int ci_type; /* for NetUP */
+ /* Force bottom field first during DMA (888 workaround) */
+ u32 force_bff;
+};
+
+struct cx23885_subid {
+ u16 subvendor;
+ u16 subdevice;
+ u32 card;
+};
+
+struct cx23885_i2c {
+ struct cx23885_dev *dev;
+
+ int nr;
+
+ /* i2c i/o */
+ struct i2c_adapter i2c_adap;
+ struct i2c_client i2c_client;
+ u32 i2c_rc;
+
+ /* 885 registers used for raw addess */
+ u32 i2c_period;
+ u32 reg_ctrl;
+ u32 reg_stat;
+ u32 reg_addr;
+ u32 reg_rdata;
+ u32 reg_wdata;
+};
+
+struct cx23885_dmaqueue {
+ struct list_head active;
+ u32 count;
+};
+
+struct cx23885_tsport {
+ struct cx23885_dev *dev;
+
+ int nr;
+ int sram_chno;
+
+ struct vb2_dvb_frontends frontends;
+
+ /* dma queues */
+ struct cx23885_dmaqueue mpegq;
+ u32 ts_packet_size;
+ u32 ts_packet_count;
+
+ int width;
+ int height;
+
+ spinlock_t slock;
+
+ /* registers */
+ u32 reg_gpcnt;
+ u32 reg_gpcnt_ctl;
+ u32 reg_dma_ctl;
+ u32 reg_lngth;
+ u32 reg_hw_sop_ctrl;
+ u32 reg_gen_ctrl;
+ u32 reg_bd_pkt_status;
+ u32 reg_sop_status;
+ u32 reg_fifo_ovfl_stat;
+ u32 reg_vld_misc;
+ u32 reg_ts_clk_en;
+ u32 reg_ts_int_msk;
+ u32 reg_ts_int_stat;
+ u32 reg_src_sel;
+
+ /* Default register vals */
+ int pci_irqmask;
+ u32 dma_ctl_val;
+ u32 ts_int_msk_val;
+ u32 gen_ctrl_val;
+ u32 ts_clk_en_val;
+ u32 src_sel_val;
+ u32 vld_misc_val;
+ u32 hw_sop_ctrl_val;
+
+ /* Allow a single tsport to have multiple frontends */
+ u32 num_frontends;
+ void (*gate_ctrl)(struct cx23885_tsport *port, int open);
+ void *port_priv;
+
+ /* Workaround for a temp dvb_frontend that the tuner can attached to */
+ struct dvb_frontend analog_fe;
+
+ struct i2c_client *i2c_client_demod;
+ struct i2c_client *i2c_client_tuner;
+ struct i2c_client *i2c_client_ci;
+
+ int (*set_frontend)(struct dvb_frontend *fe);
+ int (*fe_set_voltage)(struct dvb_frontend *fe,
+ fe_sec_voltage_t voltage);
+};
+
+struct cx23885_kernel_ir {
+ struct cx23885_dev *cx;
+ char *name;
+ char *phys;
+
+ struct rc_dev *rc;
+};
+
+struct cx23885_audio_buffer {
+ unsigned int bpl;
+ struct cx23885_riscmem risc;
+ void *vaddr;
+ struct scatterlist *sglist;
+ int sglen;
+ int nr_pages;
+};
+
+struct cx23885_audio_dev {
+ struct cx23885_dev *dev;
+
+ struct pci_dev *pci;
+
+ struct snd_card *card;
+
+ spinlock_t lock;
+
+ atomic_t count;
+
+ unsigned int dma_size;
+ unsigned int period_size;
+ unsigned int num_periods;
+
+ struct cx23885_audio_buffer *buf;
+
+ struct snd_pcm_substream *substream;
+};
+
+struct cx23885_dev {
+ atomic_t refcount;
+ struct v4l2_device v4l2_dev;
+ struct v4l2_ctrl_handler ctrl_handler;
+
+ /* pci stuff */
+ struct pci_dev *pci;
+ unsigned char pci_rev, pci_lat;
+ int pci_bus, pci_slot;
+ u32 __iomem *lmmio;
+ u8 __iomem *bmmio;
+ int pci_irqmask;
+ spinlock_t pci_irqmask_lock; /* protects mask reg too */
+ int hwrevision;
+
+ /* This valud is board specific and is used to configure the
+ * AV core so we see nice clean and stable video and audio. */
+ u32 clk_freq;
+
+ /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
+ struct cx23885_i2c i2c_bus[3];
+
+ int nr;
+ struct mutex lock;
+ struct mutex gpio_lock;
+
+ /* board details */
+ unsigned int board;
+ char name[32];
+
+ struct cx23885_tsport ts1, ts2;
+
+ /* sram configuration */
+ struct sram_channel *sram_channels;
+
+ enum {
+ CX23885_BRIDGE_UNDEFINED = 0,
+ CX23885_BRIDGE_885 = 885,
+ CX23885_BRIDGE_887 = 887,
+ CX23885_BRIDGE_888 = 888,
+ } bridge;
+
+ /* Analog video */
+ unsigned int input;
+ unsigned int audinput; /* Selectable audio input */
+ u32 tvaudio;
+ v4l2_std_id tvnorm;
+ unsigned int tuner_type;
+ unsigned char tuner_addr;
+ unsigned int tuner_bus;
+ unsigned int radio_type;
+ unsigned char radio_addr;
+ struct v4l2_subdev *sd_cx25840;
+ struct work_struct cx25840_work;
+
+ /* Infrared */
+ struct v4l2_subdev *sd_ir;
+ struct work_struct ir_rx_work;
+ unsigned long ir_rx_notifications;
+ struct work_struct ir_tx_work;
+ unsigned long ir_tx_notifications;
+
+ struct cx23885_kernel_ir *kernel_ir;
+ atomic_t ir_input_stopping;
+
+ /* V4l */
+ u32 freq;
+ struct video_device *video_dev;
+ struct video_device *vbi_dev;
+
+ /* video capture */
+ struct cx23885_fmt *fmt;
+ unsigned int width, height;
+ unsigned field;
+
+ struct cx23885_dmaqueue vidq;
+ struct vb2_queue vb2_vidq;
+ struct cx23885_dmaqueue vbiq;
+ struct vb2_queue vb2_vbiq;
+ void *alloc_ctx;
+
+ spinlock_t slock;
+
+ /* MPEG Encoder ONLY settings */
+ u32 cx23417_mailbox;
+ struct cx2341x_handler cxhdl;
+ struct video_device *v4l_device;
+ struct vb2_queue vb2_mpegq;
+ struct cx23885_tvnorm encodernorm;
+
+ /* Analog raw audio */
+ struct cx23885_audio_dev *audio_dev;
+
+};
+
+static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
+{
+ return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
+}
+
+#define call_all(dev, o, f, args...) \
+ v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
+
+#define CX23885_HW_888_IR (1 << 0)
+#define CX23885_HW_AV_CORE (1 << 1)
+
+#define call_hw(dev, grpid, o, f, args...) \
+ v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args)
+
+extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw);
+
+#define SRAM_CH01 0 /* Video A */
+#define SRAM_CH02 1 /* VBI A */
+#define SRAM_CH03 2 /* Video B */
+#define SRAM_CH04 3 /* Transport via B */
+#define SRAM_CH05 4 /* VBI B */
+#define SRAM_CH06 5 /* Video C */
+#define SRAM_CH07 6 /* Transport via C */
+#define SRAM_CH08 7 /* Audio Internal A */
+#define SRAM_CH09 8 /* Audio Internal B */
+#define SRAM_CH10 9 /* Audio External */
+#define SRAM_CH11 10 /* COMB_3D_N */
+#define SRAM_CH12 11 /* Comb 3D N1 */
+#define SRAM_CH13 12 /* Comb 3D N2 */
+#define SRAM_CH14 13 /* MOE Vid */
+#define SRAM_CH15 14 /* MOE RSLT */
+
+struct sram_channel {
+ 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;
+ u32 jumponly;
+};
+
+/* ----------------------------------------------------------- */
+
+#define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
+#define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2))
+
+#define cx_andor(reg, mask, value) \
+ writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
+ ((value) & (mask)), dev->lmmio+((reg)>>2))
+
+#define cx_set(reg, bit) cx_andor((reg), (bit), (bit))
+#define cx_clear(reg, bit) cx_andor((reg), (bit), 0)
+
+/* ----------------------------------------------------------- */
+/* cx23885-core.c */
+
+extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
+ struct sram_channel *ch,
+ unsigned int bpl, u32 risc);
+
+extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
+ struct sram_channel *ch);
+
+extern int cx23885_risc_buffer(struct pci_dev *pci, struct cx23885_riscmem *risc,
+ struct scatterlist *sglist,
+ unsigned int top_offset, unsigned int bottom_offset,
+ unsigned int bpl, unsigned int padding, unsigned int lines);
+
+extern int cx23885_risc_vbibuffer(struct pci_dev *pci,
+ struct cx23885_riscmem *risc, struct scatterlist *sglist,
+ unsigned int top_offset, unsigned int bottom_offset,
+ unsigned int bpl, unsigned int padding, unsigned int lines);
+
+int cx23885_start_dma(struct cx23885_tsport *port,
+ struct cx23885_dmaqueue *q,
+ struct cx23885_buffer *buf);
+void cx23885_cancel_buffers(struct cx23885_tsport *port);
+
+
+extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
+extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
+extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask);
+extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
+ int asoutput);
+
+extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask);
+extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask);
+extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask);
+extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask);
+
+/* ----------------------------------------------------------- */
+/* cx23885-cards.c */
+extern struct cx23885_board cx23885_boards[];
+extern const unsigned int cx23885_bcount;
+
+extern struct cx23885_subid cx23885_subids[];
+extern const unsigned int cx23885_idcount;
+
+extern int cx23885_tuner_callback(void *priv, int component,
+ int command, int arg);
+extern void cx23885_card_list(struct cx23885_dev *dev);
+extern int cx23885_ir_init(struct cx23885_dev *dev);
+extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev);
+extern void cx23885_ir_fini(struct cx23885_dev *dev);
+extern void cx23885_gpio_setup(struct cx23885_dev *dev);
+extern void cx23885_card_setup(struct cx23885_dev *dev);
+extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
+
+extern int cx23885_dvb_register(struct cx23885_tsport *port);
+extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
+
+extern int cx23885_buf_prepare(struct cx23885_buffer *buf,
+ struct cx23885_tsport *port);
+extern void cx23885_buf_queue(struct cx23885_tsport *port,
+ struct cx23885_buffer *buf);
+extern void cx23885_free_buffer(struct cx23885_dev *dev,
+ struct cx23885_buffer *buf);
+
+/* ----------------------------------------------------------- */
+/* cx23885-video.c */
+/* Video */
+extern int cx23885_video_register(struct cx23885_dev *dev);
+extern void cx23885_video_unregister(struct cx23885_dev *dev);
+extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
+extern void cx23885_video_wakeup(struct cx23885_dev *dev,
+ struct cx23885_dmaqueue *q, u32 count);
+int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i);
+int cx23885_set_input(struct file *file, void *priv, unsigned int i);
+int cx23885_get_input(struct file *file, void *priv, unsigned int *i);
+int cx23885_set_frequency(struct file *file, void *priv, const struct v4l2_frequency *f);
+int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm);
+
+/* ----------------------------------------------------------- */
+/* cx23885-vbi.c */
+extern int cx23885_vbi_fmt(struct file *file, void *priv,
+ struct v4l2_format *f);
+extern void cx23885_vbi_timeout(unsigned long data);
+extern struct vb2_ops cx23885_vbi_qops;
+extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status);
+
+/* cx23885-i2c.c */
+extern int cx23885_i2c_register(struct cx23885_i2c *bus);
+extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
+extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
+
+/* ----------------------------------------------------------- */
+/* cx23885-417.c */
+extern int cx23885_417_register(struct cx23885_dev *dev);
+extern void cx23885_417_unregister(struct cx23885_dev *dev);
+extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
+extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
+extern void cx23885_mc417_init(struct cx23885_dev *dev);
+extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
+extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
+extern int mc417_register_read(struct cx23885_dev *dev,
+ u16 address, u32 *value);
+extern int mc417_register_write(struct cx23885_dev *dev,
+ u16 address, u32 value);
+extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask);
+extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask);
+extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput);
+
+/* ----------------------------------------------------------- */
+/* cx23885-alsa.c */
+extern struct cx23885_audio_dev *cx23885_audio_register(
+ struct cx23885_dev *dev);
+extern void cx23885_audio_unregister(struct cx23885_dev *dev);
+extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask);
+extern int cx23885_risc_databuffer(struct pci_dev *pci,
+ struct cx23885_riscmem *risc,
+ struct scatterlist *sglist,
+ unsigned int bpl,
+ unsigned int lines,
+ unsigned int lpi);
+
+/* ----------------------------------------------------------- */
+/* tv norms */
+
+static inline unsigned int norm_maxw(v4l2_std_id norm)
+{
+ return (norm & V4L2_STD_525_60) ? 720 : 768;
+}
+
+static inline unsigned int norm_maxh(v4l2_std_id norm)
+{
+ return (norm & V4L2_STD_525_60) ? 480 : 576;
+}
Code Review / kvmfornfv.git / blobdiff