| /* |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #include <linux/pci.h> |
| #include <linux/i2c.h> |
| #include <linux/i2c-algo-bit.h> |
| #include <linux/kdev_t.h> |
| #include <linux/slab.h> |
| |
| #include <media/v4l2-device.h> |
| #include <media/tuner.h> |
| #include <media/tveeprom.h> |
| #include <media/videobuf-dma-sg.h> |
| #include <media/videobuf-dvb.h> |
| #include <media/rc-core.h> |
| |
| #include "btcx-risc.h" |
| #include "cx23885-reg.h" |
| #include "media/cx2341x.h" |
| |
| #include <linux/mutex.h> |
| |
| #define CX23885_VERSION "0.0.3" |
| |
| #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 RESOURCE_OVERLAY 1 |
| #define RESOURCE_VIDEO 2 |
| #define RESOURCE_VBI 4 |
| |
| #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 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_ctrl { |
| struct v4l2_queryctrl v; |
| u32 off; |
| u32 reg; |
| u32 mask; |
| u32 shift; |
| }; |
| |
| struct cx23885_tvnorm { |
| char *name; |
| v4l2_std_id id; |
| u32 cxiformat; |
| u32 cxoformat; |
| }; |
| |
| struct cx23885_fh { |
| struct cx23885_dev *dev; |
| enum v4l2_buf_type type; |
| int radio; |
| u32 resources; |
| |
| /* video overlay */ |
| struct v4l2_window win; |
| struct v4l2_clip *clips; |
| unsigned int nclips; |
| |
| /* video capture */ |
| struct cx23885_fmt *fmt; |
| unsigned int width, height; |
| |
| /* vbi capture */ |
| struct videobuf_queue vidq; |
| struct videobuf_queue vbiq; |
| |
| /* MPEG Encoder specifics ONLY */ |
| struct videobuf_queue mpegq; |
| atomic_t v4l_reading; |
| }; |
| |
| 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 |
| }; |
| |
| /* buffer for one video frame */ |
| struct cx23885_buffer { |
| /* common v4l buffer stuff -- must be first */ |
| struct videobuf_buffer vb; |
| |
| /* cx23885 specific */ |
| unsigned int bpl; |
| struct btcx_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 */ |
| }; |
| |
| 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_algo_bit_data i2c_algo; |
| 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; |
| struct list_head queued; |
| struct timer_list timeout; |
| struct btcx_riscmem stopper; |
| u32 count; |
| }; |
| |
| struct cx23885_tsport { |
| struct cx23885_dev *dev; |
| |
| int nr; |
| int sram_chno; |
| |
| struct videobuf_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; |
| }; |
| |
| struct cx23885_kernel_ir { |
| struct cx23885_dev *cx; |
| char *name; |
| char *phys; |
| |
| struct rc_dev *rc; |
| }; |
| |
| struct cx23885_audio_buffer { |
| unsigned int bpl; |
| struct btcx_riscmem risc; |
| struct videobuf_dmabuf dma; |
| }; |
| |
| 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 videobuf_dmabuf *dma_risc; |
| |
| struct cx23885_audio_buffer *buf; |
| |
| struct snd_pcm_substream *substream; |
| }; |
| |
| struct cx23885_dev { |
| atomic_t refcount; |
| struct v4l2_device v4l2_dev; |
| |
| /* 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 */ |
| u32 resources; |
| 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; |
| unsigned int has_radio; |
| 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; |
| struct video_device *radio_dev; |
| |
| struct cx23885_dmaqueue vidq; |
| struct cx23885_dmaqueue vbiq; |
| spinlock_t slock; |
| |
| /* MPEG Encoder ONLY settings */ |
| u32 cx23417_mailbox; |
| struct cx2341x_mpeg_params mpeg_params; |
| struct video_device *v4l_device; |
| atomic_t v4l_reader_count; |
| 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_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, |
| u32 reg, u32 mask, u32 value); |
| |
| extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_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 btcx_riscmem *risc, struct scatterlist *sglist, |
| unsigned int top_offset, unsigned int bottom_offset, |
| unsigned int bpl, unsigned int padding, unsigned int lines); |
| |
| void cx23885_cancel_buffers(struct cx23885_tsport *port); |
| |
| extern int cx23885_restart_queue(struct cx23885_tsport *port, |
| struct cx23885_dmaqueue *q); |
| |
| extern void cx23885_wakeup(struct cx23885_tsport *port, |
| struct cx23885_dmaqueue *q, u32 count); |
| |
| 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 videobuf_queue *q, |
| struct cx23885_tsport *port, |
| struct cx23885_buffer *buf, |
| enum v4l2_field field); |
| extern void cx23885_buf_queue(struct cx23885_tsport *port, |
| struct cx23885_buffer *buf); |
| extern void cx23885_free_buffer(struct videobuf_queue *q, |
| 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); |
| |
| /* ----------------------------------------------------------- */ |
| /* 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 videobuf_queue_ops cx23885_vbi_qops; |
| extern int cx23885_restart_vbi_queue(struct cx23885_dev *dev, |
| struct cx23885_dmaqueue *q); |
| 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 btcx_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_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768; |
| } |
| |
| static inline unsigned int norm_maxh(v4l2_std_id norm) |
| { |
| return (norm & V4L2_STD_625_50) ? 576 : 480; |
| } |
| |
| static inline unsigned int norm_swidth(v4l2_std_id norm) |
| { |
| return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922; |
| } |
