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linux_dsm_epyc7002/drivers/media/pci/saa7164/saa7164.h
Thomas Gleixner c942fddf87 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 
Based on 3 normalized pattern(s):

  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

  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 [author] [kishon] [vijay] [abraham]
  [i] [kishon]@[ti] [com] 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

  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 [author] [graeme] [gregory]
  [gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i]
  [kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema]
  [hk] [hemahk]@[ti] [com] 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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1105 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:37 -07:00

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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Driver for the NXP SAA7164 PCIe bridge
*
* Copyright (c) 2010-2015 Steven Toth <stoth@kernellabs.com>
*/
/*
Driver architecture
*******************
saa7164_core.c/buffer.c/cards.c/i2c.c/dvb.c
| : Standard Linux driver framework for creating
| : exposing and managing interfaces to the rest
| : of the kernel or userland. Also uses _fw.c to load
| : firmware direct into the PCIe bus, bypassing layers.
V
saa7164_api..() : Translate kernel specific functions/features
| : into command buffers.
V
saa7164_cmd..() : Manages the flow of command packets on/off,
| : the bus. Deal with bus errors, timeouts etc.
V
saa7164_bus..() : Manage a read/write memory ring buffer in the
| : PCIe Address space.
|
| saa7164_fw...() : Load any frimware
| | : direct into the device
V V
<- ----------------- PCIe address space -------------------- ->
*/
#include <linux/pci.h>
#include <linux/i2c.h>
#include <linux/kdev_t.h>
#include <linux/mutex.h>
#include <linux/crc32.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
#include <media/tuner.h>
#include <media/tveeprom.h>
#include <media/dvb_demux.h>
#include <media/dvb_frontend.h>
#include <media/dvb_net.h>
#include <media/dvbdev.h>
#include <media/dmxdev.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-event.h>
#include "saa7164-reg.h"
#include "saa7164-types.h"
#define SAA7164_MAXBOARDS 8
#define UNSET (-1U)
#define SAA7164_BOARD_NOAUTO UNSET
#define SAA7164_BOARD_UNKNOWN 0
#define SAA7164_BOARD_UNKNOWN_REV2 1
#define SAA7164_BOARD_UNKNOWN_REV3 2
#define SAA7164_BOARD_HAUPPAUGE_HVR2250 3
#define SAA7164_BOARD_HAUPPAUGE_HVR2200 4
#define SAA7164_BOARD_HAUPPAUGE_HVR2200_2 5
#define SAA7164_BOARD_HAUPPAUGE_HVR2200_3 6
#define SAA7164_BOARD_HAUPPAUGE_HVR2250_2 7
#define SAA7164_BOARD_HAUPPAUGE_HVR2250_3 8
#define SAA7164_BOARD_HAUPPAUGE_HVR2200_4 9
#define SAA7164_BOARD_HAUPPAUGE_HVR2200_5 10
#define SAA7164_BOARD_HAUPPAUGE_HVR2255proto 11
#define SAA7164_BOARD_HAUPPAUGE_HVR2255 12
#define SAA7164_BOARD_HAUPPAUGE_HVR2205 13
#define SAA7164_MAX_UNITS 8
#define SAA7164_TS_NUMBER_OF_LINES 312
#define SAA7164_PS_NUMBER_OF_LINES 256
#define SAA7164_PT_ENTRIES 16 /* (312 * 188) / 4096 */
#define SAA7164_MAX_ENCODER_BUFFERS 64 /* max 5secs of latency at 6Mbps */
#define SAA7164_MAX_VBI_BUFFERS 64
/* Port related defines */
#define SAA7164_PORT_TS1 (0)
#define SAA7164_PORT_TS2 (SAA7164_PORT_TS1 + 1)
#define SAA7164_PORT_ENC1 (SAA7164_PORT_TS2 + 1)
#define SAA7164_PORT_ENC2 (SAA7164_PORT_ENC1 + 1)
#define SAA7164_PORT_VBI1 (SAA7164_PORT_ENC2 + 1)
#define SAA7164_PORT_VBI2 (SAA7164_PORT_VBI1 + 1)
#define SAA7164_MAX_PORTS (SAA7164_PORT_VBI2 + 1)
#define DBGLVL_FW 4
#define DBGLVL_DVB 8
#define DBGLVL_I2C 16
#define DBGLVL_API 32
#define DBGLVL_CMD 64
#define DBGLVL_BUS 128
#define DBGLVL_IRQ 256
#define DBGLVL_BUF 512
#define DBGLVL_ENC 1024
#define DBGLVL_VBI 2048
#define DBGLVL_THR 4096
#define DBGLVL_CPU 8192
#define SAA7164_NORMS \
(V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP)
/* TV frequency range copied from tuner-core.c */
#define SAA7164_TV_MIN_FREQ (44U * 16U)
#define SAA7164_TV_MAX_FREQ (958U * 16U)
enum port_t {
SAA7164_MPEG_UNDEFINED = 0,
SAA7164_MPEG_DVB,
SAA7164_MPEG_ENCODER,
SAA7164_MPEG_VBI,
};
enum saa7164_i2c_bus_nr {
SAA7164_I2C_BUS_0 = 0,
SAA7164_I2C_BUS_1,
SAA7164_I2C_BUS_2,
};
enum saa7164_buffer_flags {
SAA7164_BUFFER_UNDEFINED = 0,
SAA7164_BUFFER_FREE,
SAA7164_BUFFER_BUSY,
SAA7164_BUFFER_FULL
};
enum saa7164_unit_type {
SAA7164_UNIT_UNDEFINED = 0,
SAA7164_UNIT_DIGITAL_DEMODULATOR,
SAA7164_UNIT_ANALOG_DEMODULATOR,
SAA7164_UNIT_TUNER,
SAA7164_UNIT_EEPROM,
SAA7164_UNIT_ZILOG_IRBLASTER,
SAA7164_UNIT_ENCODER,
};
/* The PCIe bridge doesn't grant direct access to i2c.
* Instead, you address i2c devices using a uniqely
* allocated 'unitid' value via a messaging API. This
* is a problem. The kernel and existing demod/tuner
* drivers expect to talk 'i2c', so we have to maintain
* a translation layer, and a series of functions to
* convert i2c bus + device address into a unit id.
*/
struct saa7164_unit {
enum saa7164_unit_type type;
u8 id;
char *name;
enum saa7164_i2c_bus_nr i2c_bus_nr;
u8 i2c_bus_addr;
u8 i2c_reg_len;
};
struct saa7164_board {
char *name;
enum port_t porta, portb, portc,
portd, porte, portf;
enum {
SAA7164_CHIP_UNDEFINED = 0,
SAA7164_CHIP_REV2,
SAA7164_CHIP_REV3,
} chiprev;
struct saa7164_unit unit[SAA7164_MAX_UNITS];
};
struct saa7164_subid {
u16 subvendor;
u16 subdevice;
u32 card;
};
struct saa7164_encoder_fh {
struct v4l2_fh fh;
struct saa7164_port *port;
atomic_t v4l_reading;
};
struct saa7164_vbi_fh {
struct v4l2_fh fh;
struct saa7164_port *port;
atomic_t v4l_reading;
};
struct saa7164_histogram_bucket {
u32 val;
u32 count;
u64 update_time;
};
struct saa7164_histogram {
char name[32];
struct saa7164_histogram_bucket counter1[64];
};
struct saa7164_user_buffer {
struct list_head list;
/* Attributes */
u8 *data;
u32 pos;
u32 actual_size;
u32 crc;
};
struct saa7164_fw_status {
/* RISC Core details */
u32 status;
u32 mode;
u32 spec;
u32 inst;
u32 cpuload;
u32 remainheap;
/* Firmware version */
u32 version;
u32 major;
u32 sub;
u32 rel;
u32 buildnr;
};
struct saa7164_dvb {
struct mutex lock;
struct dvb_adapter adapter;
struct dvb_frontend *frontend;
struct dvb_demux demux;
struct dmxdev dmxdev;
struct dmx_frontend fe_hw;
struct dmx_frontend fe_mem;
struct dvb_net net;
int feeding;
};
struct saa7164_i2c {
struct saa7164_dev *dev;
enum saa7164_i2c_bus_nr nr;
/* I2C I/O */
struct i2c_adapter i2c_adap;
struct i2c_client i2c_client;
u32 i2c_rc;
};
struct saa7164_tvnorm {
char *name;
v4l2_std_id id;
};
struct saa7164_encoder_params {
struct saa7164_tvnorm encodernorm;
u32 height;
u32 width;
u32 is_50hz;
u32 bitrate; /* bps */
u32 bitrate_peak; /* bps */
u32 bitrate_mode;
u32 stream_type; /* V4L2_MPEG_STREAM_TYPE_MPEG2_TS */
u32 audio_sampling_freq;
u32 ctl_mute;
u32 ctl_aspect;
u32 refdist;
u32 gop_size;
};
struct saa7164_vbi_params {
struct saa7164_tvnorm encodernorm;
u32 height;
u32 width;
u32 is_50hz;
u32 bitrate; /* bps */
u32 bitrate_peak; /* bps */
u32 bitrate_mode;
u32 stream_type; /* V4L2_MPEG_STREAM_TYPE_MPEG2_TS */
u32 audio_sampling_freq;
u32 ctl_mute;
u32 ctl_aspect;
u32 refdist;
u32 gop_size;
};
struct saa7164_port;
struct saa7164_buffer {
struct list_head list;
/* Note of which h/w buffer list index position we occupy */
int idx;
struct saa7164_port *port;
/* Hardware Specific */
/* PCI Memory allocations */
enum saa7164_buffer_flags flags; /* Free, Busy, Full */
/* A block of page align PCI memory */
u32 pci_size; /* PCI allocation size in bytes */
u64 *cpu; /* Virtual address */
dma_addr_t dma; /* Physical address */
u32 crc; /* Checksum for the entire buffer data */
/* A page table that splits the block into a number of entries */
u32 pt_size; /* PCI allocation size in bytes */
u64 *pt_cpu; /* Virtual address */
dma_addr_t pt_dma; /* Physical address */
/* Encoder fops */
u32 pos;
u32 actual_size;
};
struct saa7164_port {
struct saa7164_dev *dev;
enum port_t type;
int nr;
/* --- Generic port attributes --- */
/* HW stream parameters */
struct tmHWStreamParameters hw_streamingparams;
/* DMA configuration values, is seeded during initialization */
struct tmComResDMATermDescrHeader hwcfg;
/* hardware specific registers */
u32 bufcounter;
u32 pitch;
u32 bufsize;
u32 bufoffset;
u32 bufptr32l;
u32 bufptr32h;
u64 bufptr64;
u32 numpte; /* Number of entries in array, only valid in head */
struct mutex dmaqueue_lock;
struct saa7164_buffer dmaqueue;
u64 last_irq_msecs, last_svc_msecs;
u64 last_irq_msecs_diff, last_svc_msecs_diff;
u32 last_svc_wp;
u32 last_svc_rp;
u64 last_irq_svc_msecs_diff;
u64 last_read_msecs, last_read_msecs_diff;
u64 last_poll_msecs, last_poll_msecs_diff;
struct saa7164_histogram irq_interval;
struct saa7164_histogram svc_interval;
struct saa7164_histogram irq_svc_interval;
struct saa7164_histogram read_interval;
struct saa7164_histogram poll_interval;
/* --- DVB Transport Specific --- */
struct saa7164_dvb dvb;
struct i2c_client *i2c_client_demod;
struct i2c_client *i2c_client_tuner;
/* --- Encoder/V4L related attributes --- */
/* Encoder */
/* Defaults established in saa7164-encoder.c */
struct saa7164_tvnorm encodernorm;
struct v4l2_ctrl_handler ctrl_handler;
v4l2_std_id std;
u32 height;
u32 width;
u32 freq;
u8 mux_input;
u8 encoder_profile;
u8 video_format;
u8 audio_format;
u8 video_resolution;
u16 ctl_brightness;
u16 ctl_contrast;
u16 ctl_hue;
u16 ctl_saturation;
u16 ctl_sharpness;
s8 ctl_volume;
struct tmComResAFeatureDescrHeader audfeat;
struct tmComResEncoderDescrHeader encunit;
struct tmComResProcDescrHeader vidproc;
struct tmComResExtDevDescrHeader ifunit;
struct tmComResTunerDescrHeader tunerunit;
struct work_struct workenc;
/* V4L Encoder Video */
struct saa7164_encoder_params encoder_params;
struct video_device *v4l_device;
atomic_t v4l_reader_count;
struct saa7164_buffer list_buf_used;
struct saa7164_buffer list_buf_free;
wait_queue_head_t wait_read;
/* V4L VBI */
struct tmComResVBIFormatDescrHeader vbi_fmt_ntsc;
struct saa7164_vbi_params vbi_params;
struct saa7164_port *enc_port;
/* Debug */
u32 sync_errors;
u32 v_cc_errors;
u32 a_cc_errors;
u8 last_v_cc;
u8 last_a_cc;
u32 done_first_interrupt;
};
struct saa7164_dev {
struct list_head devlist;
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;
u32 __iomem *lmmio2;
u8 __iomem *bmmio2;
int pci_irqmask;
/* board details */
int nr;
int hwrevision;
u32 board;
char name[16];
/* firmware status */
struct saa7164_fw_status fw_status;
u32 firmwareloaded;
struct tmComResHWDescr hwdesc;
struct tmComResInterfaceDescr intfdesc;
struct tmComResBusDescr busdesc;
struct tmComResBusInfo bus;
/* Interrupt status and ack registers */
u32 int_status;
u32 int_ack;
bool msi;
struct cmd cmds[SAA_CMD_MAX_MSG_UNITS];
struct mutex lock;
/* I2c related */
struct saa7164_i2c i2c_bus[3];
/* Transport related */
struct saa7164_port ports[SAA7164_MAX_PORTS];
/* Deferred command/api interrupts handling */
struct work_struct workcmd;
/* A kernel thread to monitor the firmware log, used
* only in debug mode.
*/
struct task_struct *kthread;
};
extern struct list_head saa7164_devlist;
extern unsigned int waitsecs;
extern unsigned int encoder_buffers;
extern unsigned int vbi_buffers;
/* ----------------------------------------------------------- */
/* saa7164-core.c */
void saa7164_dumpregs(struct saa7164_dev *dev, u32 addr);
void saa7164_getfirmwarestatus(struct saa7164_dev *dev);
u32 saa7164_getcurrentfirmwareversion(struct saa7164_dev *dev);
void saa7164_histogram_update(struct saa7164_histogram *hg, u32 val);
/* ----------------------------------------------------------- */
/* saa7164-fw.c */
int saa7164_downloadfirmware(struct saa7164_dev *dev);
/* ----------------------------------------------------------- */
/* saa7164-i2c.c */
extern int saa7164_i2c_register(struct saa7164_i2c *bus);
extern int saa7164_i2c_unregister(struct saa7164_i2c *bus);
extern void saa7164_call_i2c_clients(struct saa7164_i2c *bus,
unsigned int cmd, void *arg);
/* ----------------------------------------------------------- */
/* saa7164-bus.c */
int saa7164_bus_setup(struct saa7164_dev *dev);
void saa7164_bus_dump(struct saa7164_dev *dev);
int saa7164_bus_set(struct saa7164_dev *dev, struct tmComResInfo* msg,
void *buf);
int saa7164_bus_get(struct saa7164_dev *dev, struct tmComResInfo* msg,
void *buf, int peekonly);
/* ----------------------------------------------------------- */
/* saa7164-cmd.c */
int saa7164_cmd_send(struct saa7164_dev *dev,
u8 id, enum tmComResCmd command, u16 controlselector,
u16 size, void *buf);
void saa7164_cmd_signal(struct saa7164_dev *dev, u8 seqno);
int saa7164_irq_dequeue(struct saa7164_dev *dev);
/* ----------------------------------------------------------- */
/* saa7164-api.c */
int saa7164_api_get_fw_version(struct saa7164_dev *dev, u32 *version);
int saa7164_api_enum_subdevs(struct saa7164_dev *dev);
int saa7164_api_i2c_read(struct saa7164_i2c *bus, u8 addr, u32 reglen, u8 *reg,
u32 datalen, u8 *data);
int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr,
u32 datalen, u8 *data);
int saa7164_api_dif_write(struct saa7164_i2c *bus, u8 addr,
u32 datalen, u8 *data);
int saa7164_api_read_eeprom(struct saa7164_dev *dev, u8 *buf, int buflen);
int saa7164_api_set_gpiobit(struct saa7164_dev *dev, u8 unitid, u8 pin);
int saa7164_api_clear_gpiobit(struct saa7164_dev *dev, u8 unitid, u8 pin);
int saa7164_api_transition_port(struct saa7164_port *port, u8 mode);
int saa7164_api_initialize_dif(struct saa7164_port *port);
int saa7164_api_configure_dif(struct saa7164_port *port, u32 std);
int saa7164_api_set_encoder(struct saa7164_port *port);
int saa7164_api_get_encoder(struct saa7164_port *port);
int saa7164_api_set_aspect_ratio(struct saa7164_port *port);
int saa7164_api_set_usercontrol(struct saa7164_port *port, u8 ctl);
int saa7164_api_get_usercontrol(struct saa7164_port *port, u8 ctl);
int saa7164_api_set_videomux(struct saa7164_port *port);
int saa7164_api_audio_mute(struct saa7164_port *port, int mute);
int saa7164_api_set_audio_volume(struct saa7164_port *port, s8 level);
int saa7164_api_set_audio_std(struct saa7164_port *port);
int saa7164_api_set_audio_detection(struct saa7164_port *port, int autodetect);
int saa7164_api_get_videomux(struct saa7164_port *port);
int saa7164_api_set_vbi_format(struct saa7164_port *port);
int saa7164_api_set_debug(struct saa7164_dev *dev, u8 level);
int saa7164_api_collect_debug(struct saa7164_dev *dev);
int saa7164_api_get_load_info(struct saa7164_dev *dev,
struct tmFwInfoStruct *i);
/* ----------------------------------------------------------- */
/* saa7164-cards.c */
extern struct saa7164_board saa7164_boards[];
extern const unsigned int saa7164_bcount;
extern struct saa7164_subid saa7164_subids[];
extern const unsigned int saa7164_idcount;
extern void saa7164_card_list(struct saa7164_dev *dev);
extern void saa7164_gpio_setup(struct saa7164_dev *dev);
extern void saa7164_card_setup(struct saa7164_dev *dev);
extern int saa7164_i2caddr_to_reglen(struct saa7164_i2c *bus, int addr);
extern int saa7164_i2caddr_to_unitid(struct saa7164_i2c *bus, int addr);
extern char *saa7164_unitid_name(struct saa7164_dev *dev, u8 unitid);
/* ----------------------------------------------------------- */
/* saa7164-dvb.c */
extern int saa7164_dvb_register(struct saa7164_port *port);
extern int saa7164_dvb_unregister(struct saa7164_port *port);
/* ----------------------------------------------------------- */
/* saa7164-buffer.c */
extern struct saa7164_buffer *saa7164_buffer_alloc(
struct saa7164_port *port, u32 len);
extern int saa7164_buffer_dealloc(struct saa7164_buffer *buf);
extern void saa7164_buffer_display(struct saa7164_buffer *buf);
extern int saa7164_buffer_activate(struct saa7164_buffer *buf, int i);
extern int saa7164_buffer_cfg_port(struct saa7164_port *port);
extern struct saa7164_user_buffer *saa7164_buffer_alloc_user(
struct saa7164_dev *dev, u32 len);
extern void saa7164_buffer_dealloc_user(struct saa7164_user_buffer *buf);
extern int saa7164_buffer_zero_offsets(struct saa7164_port *port, int i);
/* ----------------------------------------------------------- */
/* saa7164-encoder.c */
int saa7164_s_std(struct saa7164_port *port, v4l2_std_id id);
int saa7164_g_std(struct saa7164_port *port, v4l2_std_id *id);
int saa7164_enum_input(struct file *file, void *priv, struct v4l2_input *i);
int saa7164_g_input(struct saa7164_port *port, unsigned int *i);
int saa7164_s_input(struct saa7164_port *port, unsigned int i);
int saa7164_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t);
int saa7164_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t);
int saa7164_g_frequency(struct saa7164_port *port, struct v4l2_frequency *f);
int saa7164_s_frequency(struct saa7164_port *port,
const struct v4l2_frequency *f);
int saa7164_encoder_register(struct saa7164_port *port);
void saa7164_encoder_unregister(struct saa7164_port *port);
/* ----------------------------------------------------------- */
/* saa7164-vbi.c */
int saa7164_vbi_register(struct saa7164_port *port);
void saa7164_vbi_unregister(struct saa7164_port *port);
/* ----------------------------------------------------------- */
extern unsigned int crc_checking;
extern unsigned int saa_debug;
#define dprintk(level, fmt, arg...)\
do { if (saa_debug & level)\
printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\
} while (0)
#define log_warn(fmt, arg...)\
do { \
printk(KERN_WARNING "%s: " fmt, dev->name, ## arg);\
} while (0)
#define saa7164_readl(reg) readl(dev->lmmio + ((reg) >> 2))
#define saa7164_writel(reg, value) writel((value), dev->lmmio + ((reg) >> 2))
#define saa7164_readb(reg) readl(dev->bmmio + (reg))
#define saa7164_writeb(reg, value) writel((value), dev->bmmio + (reg))
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