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/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* 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.
*/
#ifndef CX25821_H_
#define CX25821_H_
#include <linux/pci.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/kdev_t.h>
#include <media/v4l2-common.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 "btcx-risc.h"
#include "cx25821-reg.h"
#include "cx25821-medusa-reg.h"
#include "cx25821-sram.h"
#include "cx25821-audio.h"
#include "media/cx2341x.h"
#include <linux/version.h>
#include <linux/mutex.h>
#define CX25821_VERSION_CODE KERNEL_VERSION(0, 0, 106)
#define UNSET (-1U)
#define NO_SYNC_LINE (-1U)
#define CX25821_MAXBOARDS 2
#define TRUE 1
#define FALSE 0
#define LINE_SIZE_D1 1440
/* Number of decoders and encoders */
#define MAX_DECODERS 8
#define MAX_ENCODERS 2
#define QUAD_DECODERS 4
#define MAX_CAMERAS 16
/* Max number of inputs by card */
#define MAX_CX25821_INPUT 8
#define INPUT(nr) (&cx25821_boards[dev->board].input[nr])
#define RESOURCE_VIDEO0 1
#define RESOURCE_VIDEO1 2
#define RESOURCE_VIDEO2 4
#define RESOURCE_VIDEO3 8
#define RESOURCE_VIDEO4 16
#define RESOURCE_VIDEO5 32
#define RESOURCE_VIDEO6 64
#define RESOURCE_VIDEO7 128
#define RESOURCE_VIDEO8 256
#define RESOURCE_VIDEO9 512
#define RESOURCE_VIDEO10 1024
#define RESOURCE_VIDEO11 2048
#define RESOURCE_VIDEO_IOCTL 4096
#define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */
#define UNKNOWN_BOARD 0
#define CX25821_BOARD 1
/* Currently supported by the driver */
#define CX25821_NORMS (\
V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_M_KR | \
V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \
V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_H | \
V4L2_STD_PAL_Nc)
#define CX25821_BOARD_CONEXANT_ATHENA10 1
#define MAX_VID_CHANNEL_NUM 12
#define VID_CHANNEL_NUM 8
#define CX25821_NR_INPUT 2
struct cx25821_fmt {
char *name;
u32 fourcc; /* v4l2 format id */
int depth;
int flags;
u32 cxformat;
};
struct cx25821_ctrl {
struct v4l2_queryctrl v;
u32 off;
u32 reg;
u32 mask;
u32 shift;
};
struct cx25821_tvnorm {
char *name;
v4l2_std_id id;
u32 cxiformat;
u32 cxoformat;
};
struct cx25821_fh {
struct cx25821_dev *dev;
enum v4l2_buf_type type;
int radio;
u32 resources;
enum v4l2_priority prio;
/* video overlay */
struct v4l2_window win;
struct v4l2_clip *clips;
unsigned int nclips;
/* video capture */
struct cx25821_fmt *fmt;
unsigned int width, height;
int channel_id;
/* vbi capture */
struct videobuf_queue vidq;
struct videobuf_queue vbiq;
/* H264 Encoder specifics ONLY */
struct videobuf_queue mpegq;
atomic_t v4l_reading;
};
enum cx25821_itype {
CX25821_VMUX_COMPOSITE = 1,
CX25821_VMUX_SVIDEO,
CX25821_VMUX_DEBUG,
CX25821_RADIO,
};
enum cx25821_src_sel_type {
CX25821_SRC_SEL_EXT_656_VIDEO = 0,
CX25821_SRC_SEL_PARALLEL_MPEG_VIDEO
};
/* buffer for one video frame */
struct cx25821_buffer {
/* common v4l buffer stuff -- must be first */
struct videobuf_buffer vb;
/* cx25821 specific */
unsigned int bpl;
struct btcx_riscmem risc;
struct cx25821_fmt *fmt;
u32 count;
};
struct cx25821_input {
enum cx25821_itype type;
unsigned int vmux;
u32 gpio0, gpio1, gpio2, gpio3;
};
enum port {
CX25821_UNDEFINED = 0,
CX25821_RAW,
CX25821_264
};
struct cx25821_board {
const char *name;
enum port porta;
enum port portb;
enum port portc;
unsigned int tuner_type;
unsigned int radio_type;
unsigned char tuner_addr;
unsigned char radio_addr;
u32 clk_freq;
struct cx25821_input input[CX25821_NR_INPUT];
};
struct cx25821_subid {
u16 subvendor;
u16 subdevice;
u32 card;
};
struct cx25821_i2c {
struct cx25821_dev *dev;
int nr;
/* i2c i/o */
struct i2c_adapter i2c_adap;
struct i2c_client i2c_client;
u32 i2c_rc;
/* cx25821 registers used for raw addess */
u32 i2c_period;
u32 reg_ctrl;
u32 reg_stat;
u32 reg_addr;
u32 reg_rdata;
u32 reg_wdata;
};
struct cx25821_dmaqueue {
struct list_head active;
struct list_head queued;
struct timer_list timeout;
struct btcx_riscmem stopper;
u32 count;
};
struct cx25821_data {
struct cx25821_dev *dev;
struct sram_channel *channel;
};
struct cx25821_channel {
struct v4l2_prio_state prio;
int ctl_bright;
int ctl_contrast;
int ctl_hue;
int ctl_saturation;
struct cx25821_data timeout_data;
struct video_device *video_dev;
struct cx25821_dmaqueue vidq;
struct sram_channel *sram_channels;
struct mutex lock;
int resources;
int pixel_formats;
int use_cif_resolution;
int cif_width;
};
struct cx25821_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 base_io_addr;
u32 __iomem *lmmio;
u8 __iomem *bmmio;
int pci_irqmask;
int hwrevision;
u32 clk_freq;
/* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
struct cx25821_i2c i2c_bus[3];
int nr;
struct mutex lock;
struct cx25821_channel channels[MAX_VID_CHANNEL_NUM];
/* board details */
unsigned int board;
char name[32];
/* Analog video */
u32 resources;
unsigned int input;
u32 tvaudio;
v4l2_std_id tvnorm;
unsigned int tuner_type;
unsigned char tuner_addr;
unsigned int radio_type;
unsigned char radio_addr;
unsigned int has_radio;
unsigned int videc_type;
unsigned char videc_addr;
unsigned short _max_num_decoders;
/* Analog Audio Upstream */
int _audio_is_running;
int _audiopixel_format;
int _is_first_audio_frame;
int _audiofile_status;
int _audio_lines_count;
int _audioframe_count;
int _audio_upstream_channel;
int _last_index_irq; /* The last interrupt index processed. */
__le32 *_risc_audio_jmp_addr;
__le32 *_risc_virt_start_addr;
__le32 *_risc_virt_addr;
dma_addr_t _risc_phys_addr;
dma_addr_t _risc_phys_start_addr;
unsigned int _audiorisc_size;
unsigned int _audiodata_buf_size;
__le32 *_audiodata_buf_virt_addr;
dma_addr_t _audiodata_buf_phys_addr;
char *_audiofilename;
/* V4l */
u32 freq;
struct video_device *vbi_dev;
struct video_device *radio_dev;
struct video_device *ioctl_dev;
spinlock_t slock;
/* Video Upstream */
int _line_size;
int _prog_cnt;
int _pixel_format;
int _is_first_frame;
int _is_running;
int _file_status;
int _lines_count;
int _frame_count;
int _channel_upstream_select;
unsigned int _risc_size;
__le32 *_dma_virt_start_addr;
__le32 *
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