Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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))
+