| /* |
| * 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/i2c-algo-bit.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 |
| |
| 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; |
| }; |
| |
| typedef enum { |
| CX25821_UNDEFINED = 0, |
| CX25821_RAW, |
| CX25821_264 |
| } port_t; |
| |
| struct cx25821_board { |
| char *name; |
| port_t porta, portb, portc; |
| unsigned int tuner_type; |
| unsigned int radio_type; |
| unsigned char tuner_addr; |
| unsigned char radio_addr; |
| |
| u32 clk_freq; |
| struct cx25821_input input[2]; |
| }; |
| |
| 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_algo_bit_data i2c_algo; |
| 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_select; |
| 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 *_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; |
| char *_filename; |
| char *_defaultname; |
| |
| int _line_size_ch2; |
| int _prog_cnt_ch2; |
| int _pixel_format_ch2; |
| int _is_first_frame_ch2; |
| int _is_running_ch2; |
| int _file_status_ch2; |
| int _lines_count_ch2; |
| int _frame_count_ch2; |
| int _channel2_upstream_select; |
| unsigned int _risc_size_ch2; |
| |
| __le32 *_dma_virt_start_addr_ch2; |
| __le32 *_dma_virt_addr_ch2; |
| dma_addr_t _dma_phys_addr_ch2; |
| dma_addr_t _dma_phys_start_addr_ch2; |
| |
| unsigned int _data_buf_size_ch2; |
| __le32 *_data_buf_virt_addr_ch2; |
| dma_addr_t _data_buf_phys_addr_ch2; |
| char *_filename_ch2; |
| char *_defaultname_ch2; |
| |
| /* MPEG Encoder ONLY settings */ |
| u32 cx23417_mailbox; |
| struct cx2341x_mpeg_params mpeg_params; |
| struct video_device *v4l_device; |
| atomic_t v4l_reader_count; |
| struct cx25821_tvnorm encodernorm; |
| |
| u32 upstream_riscbuf_size; |
| u32 upstream_databuf_size; |
| u32 upstream_riscbuf_size_ch2; |
| u32 upstream_databuf_size_ch2; |
| u32 audio_upstream_riscbuf_size; |
| u32 audio_upstream_databuf_size; |
| int _isNTSC; |
| int _frame_index; |
| int _audioframe_index; |
| struct workqueue_struct *_irq_queues; |
| struct work_struct _irq_work_entry; |
| struct workqueue_struct *_irq_queues_ch2; |
| struct work_struct _irq_work_entry_ch2; |
| struct workqueue_struct *_irq_audio_queues; |
| struct work_struct _audio_work_entry; |
| char *input_filename; |
| char *input_filename_ch2; |
| int _frame_index_ch2; |
| int _isNTSC_ch2; |
| char *vid_stdname_ch2; |
| int pixel_format_ch2; |
| int channel_select_ch2; |
| int command_ch2; |
| char *input_audiofilename; |
| char *vid_stdname; |
| int pixel_format; |
| int channel_select; |
| int command; |
| int channel_opened; |
| }; |
| |
| struct upstream_user_struct { |
| char *input_filename; |
| char *vid_stdname; |
| int pixel_format; |
| int channel_select; |
| int command; |
| }; |
| |
| struct downstream_user_struct { |
| char *vid_stdname; |
| int pixel_format; |
| int cif_resolution_enable; |
| int cif_width; |
| int decoder_select; |
| int command; |
| int reg_address; |
| int reg_data; |
| }; |
| |
| extern struct upstream_user_struct *up_data; |
| |
| static inline struct cx25821_dev *get_cx25821(struct v4l2_device *v4l2_dev) |
| { |
| return container_of(v4l2_dev, struct cx25821_dev, v4l2_dev); |
| } |
| |
| #define cx25821_call_all(dev, o, f, args...) \ |
| v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args) |
| |
| extern struct list_head cx25821_devlist; |
| extern struct mutex cx25821_devlist_mutex; |
| |
| extern struct cx25821_board cx25821_boards[]; |
| extern struct cx25821_subid cx25821_subids[]; |
| |
| #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 |
| #define VIDEO_IOCTL_CH 11 |
| |
| 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 struct sram_channel cx25821_sram_channels[]; |
| |
| #define STATUS_SUCCESS 0 |
| #define STATUS_UNSUCCESSFUL -1 |
| |
| #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 void cx25821_card_setup(struct cx25821_dev *dev); |
| extern int cx25821_ir_init(struct cx25821_dev *dev); |
| 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, |
| 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, |
| struct sram_channel *ch); |
| extern void cx25821_sram_channel_dump_audio(struct cx25821_dev *dev, |
| 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, |
| struct sram_channel *ch, |
| unsigned int bpl, u32 risc); |
| |
| extern int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, |
| int channel_select, int pixel_format); |
| extern int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, |
| int channel_select, int pixel_format); |
| extern int cx25821_audio_upstream_init(struct cx25821_dev *dev, |
| int channel_select); |
| extern void cx25821_free_mem_upstream_ch1(struct cx25821_dev *dev); |
| extern void cx25821_free_mem_upstream_ch2(struct cx25821_dev *dev); |
| extern void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev); |
| extern void cx25821_start_upstream_video_ch1(struct cx25821_dev *dev, |
| struct upstream_user_struct |
| *up_data); |
| extern void cx25821_start_upstream_video_ch2(struct cx25821_dev *dev, |
| struct upstream_user_struct |
| *up_data); |
| extern void cx25821_start_upstream_audio(struct cx25821_dev *dev, |
| struct upstream_user_struct *up_data); |
| extern void cx25821_stop_upstream_video_ch1(struct cx25821_dev *dev); |
| extern void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev); |
| extern void cx25821_stop_upstream_audio(struct cx25821_dev *dev); |
| extern int cx25821_sram_channel_setup_upstream(struct cx25821_dev *dev, |
| struct sram_channel *ch, |
| unsigned int bpl, u32 risc); |
| extern void cx25821_set_pixel_format(struct cx25821_dev *dev, int channel, |
| u32 format); |
| extern void cx25821_videoioctl_unregister(struct cx25821_dev *dev); |
| extern struct video_device *cx25821_vdev_init(struct cx25821_dev *dev, |
| struct pci_dev *pci, |
| struct video_device *template, |
| char *type); |
| #endif |
