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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Driver for the Conexant CX23885 PCIe bridge
*
* Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#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/drv-intf/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 CX23885_BOARD_VIEWCAST_260E 54
#define CX23885_BOARD_VIEWCAST_460E 55
#define CX23885_BOARD_HAUPPAUGE_QUADHD_DVB 56
#define CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC 57
#define CX23885_BOARD_HAUPPAUGE_HVR1265_K4 58
#define CX23885_BOARD_HAUPPAUGE_STARBURST2 59
#define CX23885_BOARD_HAUPPAUGE_QUADHD_DVB_885 60
#define CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC_885 61
#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_v4l2_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 address */
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;
unsigned 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_sec;
struct i2c_client *i2c_client_ci;
int (*set_frontend)(struct dvb_frontend *fe);
int (*fe_set_voltage)(struct dvb_frontend *fe,
enum fe_sec_voltage 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;
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;
/* Does the system require periodic DMA resets? */
unsigned int need_dma_reset:1;
};
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 const 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_maxh(v4l2_std_id norm)
{
return (norm & V4L2_STD_525_60) ? 480 : 576;
}
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