diff options
Diffstat (limited to 'drivers/media/pci/cx25821/cx25821.h')
| -rw-r--r-- | drivers/media/pci/cx25821/cx25821.h | 451 |
1 files changed, 451 insertions, 0 deletions
diff --git a/drivers/media/pci/cx25821/cx25821.h b/drivers/media/pci/cx25821/cx25821.h new file mode 100644 index 0000000..90bdc19 --- /dev/null +++ b/drivers/media/pci/cx25821/cx25821.h @@ -0,0 +1,451 @@ +/* + * 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 |