mirror of https://gitee.com/openkylin/linux.git
452 lines
12 KiB
C
452 lines
12 KiB
C
/*
|
|
* 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/v4l2-ctrls.h>
|
|
#include <media/videobuf-dma-sg.h>
|
|
|
|
#include "btcx-risc.h"
|
|
#include "cx25821-reg.h"
|
|
#include "cx25821-medusa-reg.h"
|
|
#include "cx25821-sram.h"
|
|
#include "cx25821-audio.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 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 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 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
|
|
|
|
struct cx25821_fmt {
|
|
char *name;
|
|
u32 fourcc; /* v4l2 format id */
|
|
int depth;
|
|
int flags;
|
|
u32 cxformat;
|
|
};
|
|
|
|
struct cx25821_tvnorm {
|
|
char *name;
|
|
v4l2_std_id id;
|
|
u32 cxiformat;
|
|
u32 cxoformat;
|
|
};
|
|
|
|
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;
|
|
const struct cx25821_fmt *fmt;
|
|
u32 count;
|
|
};
|
|
|
|
enum port {
|
|
CX25821_UNDEFINED = 0,
|
|
CX25821_RAW,
|
|
CX25821_264
|
|
};
|
|
|
|
struct cx25821_board {
|
|
const char *name;
|
|
enum port porta;
|
|
enum port portb;
|
|
enum port portc;
|
|
|
|
u32 clk_freq;
|
|
};
|
|
|
|
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;
|
|
const struct sram_channel *channel;
|
|
};
|
|
|
|
struct cx25821_dev;
|
|
|
|
struct cx25821_channel;
|
|
|
|
struct cx25821_video_out_data {
|
|
struct cx25821_channel *chan;
|
|
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;
|
|
unsigned int _risc_size;
|
|
|
|
__le32 *_dma_virt_start_addr;
|
|
__le32 *_dma_virt_addr;
|
|
dma_addr_t _dma_phys_addr;
|
|
dma_addr_t _dma_phys_start_addr;
|
|
|
|
unsigned int _data_buf_size;
|
|
__le32 *_data_buf_virt_addr;
|
|
dma_addr_t _data_buf_phys_addr;
|
|
|
|
u32 upstream_riscbuf_size;
|
|
u32 upstream_databuf_size;
|
|
int is_60hz;
|
|
int _frame_index;
|
|
int cur_frame_index;
|
|
int curpos;
|
|
wait_queue_head_t waitq;
|
|
};
|
|
|
|
struct cx25821_channel {
|
|
unsigned id;
|
|
struct cx25821_dev *dev;
|
|
struct v4l2_fh *streaming_fh;
|
|
|
|
struct v4l2_ctrl_handler hdl;
|
|
struct cx25821_data timeout_data;
|
|
|
|
struct video_device vdev;
|
|
struct cx25821_dmaqueue dma_vidq;
|
|
struct videobuf_queue vidq;
|
|
|
|
const struct sram_channel *sram_channels;
|
|
|
|
const struct cx25821_fmt *fmt;
|
|
unsigned int width, height;
|
|
int pixel_formats;
|
|
int use_cif_resolution;
|
|
int cif_width;
|
|
|
|
/* video output data for the video output channel */
|
|
struct cx25821_video_out_data *out;
|
|
};
|
|
|
|
struct snd_card;
|
|
|
|
struct cx25821_dev {
|
|
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;
|
|
/* used by cx25821-alsa */
|
|
struct snd_card *card;
|
|
|
|
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 */
|
|
unsigned int input;
|
|
v4l2_std_id tvnorm;
|
|
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;
|
|
u32 audio_upstream_riscbuf_size;
|
|
u32 audio_upstream_databuf_size;
|
|
int _audioframe_index;
|
|
struct workqueue_struct *_irq_audio_queues;
|
|
struct work_struct _audio_work_entry;
|
|
char *input_audiofilename;
|
|
|
|
/* V4l */
|
|
spinlock_t slock;
|
|
|
|
/* Video Upstream */
|
|
struct cx25821_video_out_data vid_out_data[2];
|
|
};
|
|
|
|
static inline struct cx25821_dev *get_cx25821(struct v4l2_device *v4l2_dev)
|
|
{
|
|
return container_of(v4l2_dev, struct cx25821_dev, v4l2_dev);
|
|
}
|
|
|
|
extern struct cx25821_board cx25821_boards[];
|
|
|
|
#define SRAM_CH00 0 /* Video A */
|
|
#define SRAM_CH01 1 /* Video B */
|
|
#define SRAM_CH02 2 /* Video C */
|
|
#define SRAM_CH03 3 /* Video D */
|
|
#define SRAM_CH04 4 /* Video E */
|
|
#define SRAM_CH05 5 /* Video F */
|
|
#define SRAM_CH06 6 /* Video G */
|
|
#define SRAM_CH07 7 /* Video H */
|
|
|
|
#define SRAM_CH08 8 /* Audio A */
|
|
#define SRAM_CH09 9 /* Video Upstream I */
|
|
#define SRAM_CH10 10 /* Video Upstream J */
|
|
#define SRAM_CH11 11 /* Audio Upstream AUD_CHANNEL_B */
|
|
|
|
#define VID_UPSTREAM_SRAM_CHANNEL_I SRAM_CH09
|
|
#define VID_UPSTREAM_SRAM_CHANNEL_J SRAM_CH10
|
|
#define AUDIO_UPSTREAM_SRAM_CHANNEL_B SRAM_CH11
|
|
|
|
struct sram_channel {
|
|
char *name;
|
|
u32 i;
|
|
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 int_msk;
|
|
u32 int_stat;
|
|
u32 int_mstat;
|
|
u32 dma_ctl;
|
|
u32 gpcnt_ctl;
|
|
u32 gpcnt;
|
|
u32 aud_length;
|
|
u32 aud_cfg;
|
|
u32 fld_aud_fifo_en;
|
|
u32 fld_aud_risc_en;
|
|
|
|
/* For Upstream Video */
|
|
u32 vid_fmt_ctl;
|
|
u32 vid_active_ctl1;
|
|
u32 vid_active_ctl2;
|
|
u32 vid_cdt_size;
|
|
|
|
u32 vip_ctl;
|
|
u32 pix_frmt;
|
|
u32 jumponly;
|
|
u32 irq_bit;
|
|
};
|
|
|
|
extern const struct sram_channel cx25821_sram_channels[];
|
|
|
|
#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)
|
|
|
|
#define Set_GPIO_Bit(Bit) (1 << Bit)
|
|
#define Clear_GPIO_Bit(Bit) (~(1 << Bit))
|
|
|
|
#define CX25821_ERR(fmt, args...) \
|
|
pr_err("(%d): " fmt, dev->board, ##args)
|
|
#define CX25821_WARN(fmt, args...) \
|
|
pr_warn("(%d): " fmt, dev->board, ##args)
|
|
#define CX25821_INFO(fmt, args...) \
|
|
pr_info("(%d): " fmt, dev->board, ##args)
|
|
|
|
extern int cx25821_i2c_register(struct cx25821_i2c *bus);
|
|
extern int cx25821_i2c_read(struct cx25821_i2c *bus, u16 reg_addr, int *value);
|
|
extern int cx25821_i2c_write(struct cx25821_i2c *bus, u16 reg_addr, int value);
|
|
extern int cx25821_i2c_unregister(struct cx25821_i2c *bus);
|
|
extern void cx25821_gpio_init(struct cx25821_dev *dev);
|
|
extern void cx25821_set_gpiopin_direction(struct cx25821_dev *dev,
|
|
int pin_number, int pin_logic_value);
|
|
|
|
extern int medusa_video_init(struct cx25821_dev *dev);
|
|
extern int medusa_set_videostandard(struct cx25821_dev *dev);
|
|
extern void medusa_set_resolution(struct cx25821_dev *dev, int width,
|
|
int decoder_select);
|
|
extern int medusa_set_brightness(struct cx25821_dev *dev, int brightness,
|
|
int decoder);
|
|
extern int medusa_set_contrast(struct cx25821_dev *dev, int contrast,
|
|
int decoder);
|
|
extern int medusa_set_hue(struct cx25821_dev *dev, int hue, int decoder);
|
|
extern int medusa_set_saturation(struct cx25821_dev *dev, int saturation,
|
|
int decoder);
|
|
|
|
extern int cx25821_sram_channel_setup(struct cx25821_dev *dev,
|
|
const struct sram_channel *ch, unsigned int bpl,
|
|
u32 risc);
|
|
|
|
extern int cx25821_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
|
|
struct scatterlist *sglist,
|
|
unsigned int top_offset,
|
|
unsigned int bottom_offset,
|
|
unsigned int bpl,
|
|
unsigned int padding, unsigned int lines);
|
|
extern int cx25821_risc_databuffer_audio(struct pci_dev *pci,
|
|
struct btcx_riscmem *risc,
|
|
struct scatterlist *sglist,
|
|
unsigned int bpl,
|
|
unsigned int lines, unsigned int lpi);
|
|
extern void cx25821_free_buffer(struct videobuf_queue *q,
|
|
struct cx25821_buffer *buf);
|
|
extern int cx25821_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
|
|
u32 reg, u32 mask, u32 value);
|
|
extern void cx25821_sram_channel_dump(struct cx25821_dev *dev,
|
|
const struct sram_channel *ch);
|
|
extern void cx25821_sram_channel_dump_audio(struct cx25821_dev *dev,
|
|
const struct sram_channel *ch);
|
|
|
|
extern struct cx25821_dev *cx25821_dev_get(struct pci_dev *pci);
|
|
extern void cx25821_print_irqbits(char *name, char *tag, char **strings,
|
|
int len, u32 bits, u32 mask);
|
|
extern void cx25821_dev_unregister(struct cx25821_dev *dev);
|
|
extern int cx25821_sram_channel_setup_audio(struct cx25821_dev *dev,
|
|
const struct sram_channel *ch,
|
|
unsigned int bpl, u32 risc);
|
|
|
|
extern int cx25821_vidupstream_init(struct cx25821_channel *chan, int pixel_format);
|
|
extern int cx25821_audio_upstream_init(struct cx25821_dev *dev,
|
|
int channel_select);
|
|
extern int cx25821_write_frame(struct cx25821_channel *chan,
|
|
const char __user *data, size_t count);
|
|
extern void cx25821_free_mem_upstream(struct cx25821_channel *chan);
|
|
extern void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev);
|
|
extern void cx25821_stop_upstream_video(struct cx25821_channel *chan);
|
|
extern void cx25821_stop_upstream_audio(struct cx25821_dev *dev);
|
|
extern int cx25821_sram_channel_setup_upstream(struct cx25821_dev *dev,
|
|
const struct sram_channel *ch,
|
|
unsigned int bpl, u32 risc);
|
|
extern void cx25821_set_pixel_format(struct cx25821_dev *dev, int channel,
|
|
u32 format);
|
|
|
|
#endif
|