diff options
Diffstat (limited to 'drivers/media/pci/saa7164/saa7164.h')
| -rw-r--r-- | drivers/media/pci/saa7164/saa7164.h | 621 |
1 files changed, 621 insertions, 0 deletions
diff --git a/drivers/media/pci/saa7164/saa7164.h b/drivers/media/pci/saa7164/saa7164.h new file mode 100644 index 0000000000..eede47b686 --- /dev/null +++ b/drivers/media/pci/saa7164/saa7164.h @@ -0,0 +1,621 @@ +/* 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 firmware + | | : 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); + +/* ----------------------------------------------------------- */ +/* 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)) + |