diff options
Diffstat (limited to 'drivers/staging/media/zoran/zoran.h')
| -rw-r--r-- | drivers/staging/media/zoran/zoran.h | 319 |
1 files changed, 319 insertions, 0 deletions
diff --git a/drivers/staging/media/zoran/zoran.h b/drivers/staging/media/zoran/zoran.h new file mode 100644 index 000000000000..e7fe8da7732c --- /dev/null +++ b/drivers/staging/media/zoran/zoran.h @@ -0,0 +1,319 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * zoran - Iomega Buz driver + * + * Copyright (C) 1999 Rainer Johanni <Rainer@Johanni.de> + * + * based on + * + * zoran.0.0.3 Copyright (C) 1998 Dave Perks <dperks@ibm.net> + * + * and + * + * bttv - Bt848 frame grabber driver + * Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de) + * & Marcus Metzler (mocm@thp.uni-koeln.de) + */ + +#ifndef _BUZ_H_ +#define _BUZ_H_ + +#include <media/v4l2-device.h> +#include <media/v4l2-ctrls.h> +#include <media/videobuf2-core.h> +#include <media/videobuf2-v4l2.h> +#include <media/videobuf2-dma-contig.h> + +#define ZR_NORM_PAL 0 +#define ZR_NORM_NTSC 1 +#define ZR_NORM_SECAM 2 + +struct zr_buffer { + /* common v4l buffer stuff -- must be first */ + struct vb2_v4l2_buffer vbuf; + struct list_head queue; +}; + +static inline struct zr_buffer *vb2_to_zr_buffer(struct vb2_buffer *vb) +{ + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + + return container_of(vbuf, struct zr_buffer, vbuf); +} + +#define ZORAN_NAME "ZORAN" /* name of the device */ + +#define ZR_DEVNAME(zr) ((zr)->name) + +#define BUZ_MAX_WIDTH (zr->timing->wa) +#define BUZ_MAX_HEIGHT (zr->timing->ha) +#define BUZ_MIN_WIDTH 32 /* never display less than 32 pixels */ +#define BUZ_MIN_HEIGHT 24 /* never display less than 24 rows */ + +#define BUZ_NUM_STAT_COM 4 +#define BUZ_MASK_STAT_COM 3 + +#define BUZ_MAX_FRAME 256 /* Must be a power of 2 */ +#define BUZ_MASK_FRAME 255 /* Must be BUZ_MAX_FRAME-1 */ + +#define BUZ_MAX_INPUT 16 + +#if VIDEO_MAX_FRAME <= 32 +# define V4L_MAX_FRAME 32 +#elif VIDEO_MAX_FRAME <= 64 +# define V4L_MAX_FRAME 64 +#else +# error "Too many video frame buffers to handle" +#endif +#define V4L_MASK_FRAME (V4L_MAX_FRAME - 1) + +#define MAX_FRAME (BUZ_MAX_FRAME > VIDEO_MAX_FRAME ? BUZ_MAX_FRAME : VIDEO_MAX_FRAME) + +#include "zr36057.h" + +enum card_type { + UNKNOWN = -1, + + /* Pinnacle/Miro */ + DC10_OLD, /* DC30 like */ + DC10_NEW, /* DC10_PLUS like */ + DC10_PLUS, + DC30, + DC30_PLUS, + + /* Linux Media Labs */ + LML33, + LML33R10, + + /* Iomega */ + BUZ, + + /* AverMedia */ + AVS6EYES, + + /* total number of cards */ + NUM_CARDS +}; + +enum zoran_codec_mode { + BUZ_MODE_IDLE, /* nothing going on */ + BUZ_MODE_MOTION_COMPRESS, /* grabbing frames */ + BUZ_MODE_MOTION_DECOMPRESS, /* playing frames */ + BUZ_MODE_STILL_COMPRESS, /* still frame conversion */ + BUZ_MODE_STILL_DECOMPRESS /* still frame conversion */ +}; + +enum zoran_map_mode { + ZORAN_MAP_MODE_NONE, + ZORAN_MAP_MODE_RAW, + ZORAN_MAP_MODE_JPG_REC, + ZORAN_MAP_MODE_JPG_PLAY, +}; + +enum gpio_type { + ZR_GPIO_JPEG_SLEEP = 0, + ZR_GPIO_JPEG_RESET, + ZR_GPIO_JPEG_FRAME, + ZR_GPIO_VID_DIR, + ZR_GPIO_VID_EN, + ZR_GPIO_VID_RESET, + ZR_GPIO_CLK_SEL1, + ZR_GPIO_CLK_SEL2, + ZR_GPIO_MAX, +}; + +enum gpcs_type { + GPCS_JPEG_RESET = 0, + GPCS_JPEG_START, + GPCS_MAX, +}; + +struct zoran_format { + char *name; + __u32 fourcc; + int colorspace; + int depth; + __u32 flags; + __u32 vfespfr; +}; + +/* flags */ +#define ZORAN_FORMAT_COMPRESSED BIT(0) +#define ZORAN_FORMAT_OVERLAY BIT(1) +#define ZORAN_FORMAT_CAPTURE BIT(2) +#define ZORAN_FORMAT_PLAYBACK BIT(3) + +/* v4l-capture settings */ +struct zoran_v4l_settings { + int width, height, bytesperline; /* capture size */ + const struct zoran_format *format; /* capture format */ +}; + +/* jpg-capture/-playback settings */ +struct zoran_jpg_settings { + int decimation; /* this bit is used to set everything to default */ + int hor_dcm, ver_dcm, tmp_dcm; /* capture decimation settings (tmp_dcm=1 means both fields) */ + int field_per_buff, odd_even; /* field-settings (odd_even=1 (+tmp_dcm=1) means top-field-first) */ + int img_x, img_y, img_width, img_height; /* crop settings (subframe capture) */ + struct v4l2_jpegcompression jpg_comp; /* JPEG-specific capture settings */ +}; + + +struct zoran; + +/* zoran_fh contains per-open() settings */ +struct zoran_fh { + struct v4l2_fh fh; + struct zoran *zr; +}; + +struct card_info { + enum card_type type; + char name[32]; + const char *i2c_decoder; /* i2c decoder device */ + const unsigned short *addrs_decoder; + const char *i2c_encoder; /* i2c encoder device */ + const unsigned short *addrs_encoder; + u16 video_vfe, video_codec; /* videocodec types */ + u16 audio_chip; /* audio type */ + + int inputs; /* number of video inputs */ + struct input { + int muxsel; + char name[32]; + } input[BUZ_MAX_INPUT]; + + v4l2_std_id norms; + const struct tvnorm *tvn[3]; /* supported TV norms */ + + u32 jpeg_int; /* JPEG interrupt */ + u32 vsync_int; /* VSYNC interrupt */ + s8 gpio[ZR_GPIO_MAX]; + u8 gpcs[GPCS_MAX]; + + struct vfe_polarity vfe_pol; + u8 gpio_pol[ZR_GPIO_MAX]; + + /* is the /GWS line connected? */ + u8 gws_not_connected; + + /* avs6eyes mux setting */ + u8 input_mux; + + void (*init)(struct zoran *zr); +}; + +struct zoran { + struct v4l2_device v4l2_dev; + struct v4l2_ctrl_handler hdl; + struct video_device *video_dev; + struct vb2_queue vq; + + struct i2c_adapter i2c_adapter; /* */ + struct i2c_algo_bit_data i2c_algo; /* */ + u32 i2cbr; + + struct v4l2_subdev *decoder; /* video decoder sub-device */ + struct v4l2_subdev *encoder; /* video encoder sub-device */ + + struct videocodec *codec; /* video codec */ + struct videocodec *vfe; /* video front end */ + + struct mutex lock; /* file ops serialize lock */ + + u8 initialized; /* flag if zoran has been correctly initialized */ + struct card_info card; + const struct tvnorm *timing; + + unsigned short id; /* number of this device */ + char name[32]; /* name of this device */ + struct pci_dev *pci_dev; /* PCI device */ + unsigned char revision; /* revision of zr36057 */ + unsigned char __iomem *zr36057_mem;/* pointer to mapped IO memory */ + + spinlock_t spinlock; /* Spinlock */ + + /* Video for Linux parameters */ + int input; /* card's norm and input */ + v4l2_std_id norm; + + /* Current buffer params */ + unsigned int buffer_size; + + struct zoran_v4l_settings v4l_settings; /* structure with a lot of things to play with */ + + /* Buz MJPEG parameters */ + enum zoran_codec_mode codec_mode; /* status of codec */ + struct zoran_jpg_settings jpg_settings; /* structure with a lot of things to play with */ + + /* grab queue counts/indices, mask with BUZ_MASK_STAT_COM before using as index */ + /* (dma_head - dma_tail) is number active in DMA, must be <= BUZ_NUM_STAT_COM */ + /* (value & BUZ_MASK_STAT_COM) corresponds to index in stat_com table */ + unsigned long jpg_que_head; /* Index where to put next buffer which is queued */ + unsigned long jpg_dma_head; /* Index of next buffer which goes into stat_com */ + unsigned long jpg_dma_tail; /* Index of last buffer in stat_com */ + unsigned long jpg_que_tail; /* Index of last buffer in queue */ + unsigned long jpg_seq_num; /* count of frames since grab/play started */ + unsigned long jpg_err_seq; /* last seq_num before error */ + unsigned long jpg_err_shift; + unsigned long jpg_queued_num; /* count of frames queued since grab/play started */ + unsigned long vbseq; + + /* zr36057's code buffer table */ + __le32 *stat_com; /* stat_com[i] is indexed by dma_head/tail & BUZ_MASK_STAT_COM */ + + /* Additional stuff for testing */ + unsigned int ghost_int; + int intr_counter_GIRQ1; + int intr_counter_GIRQ0; + int intr_counter_cod_rep_irq; + int intr_counter_jpeg_rep_irq; + int field_counter; + int irq1_in; + int irq1_out; + int jpeg_in; + int jpeg_out; + int JPEG_0; + int JPEG_1; + int end_event_missed; + int jpeg_missed; + int jpeg_error; + int num_errors; + int jpeg_max_missed; + int jpeg_min_missed; + unsigned int prepared; + unsigned int queued; + + u32 last_isr; + unsigned long frame_num; + int running; + int buf_in_reserve; + + dma_addr_t p_sc; + __le32 *stat_comb; + dma_addr_t p_scb; + enum zoran_map_mode map_mode; + struct list_head queued_bufs; + spinlock_t queued_bufs_lock; /* Protects queued_bufs */ + struct zr_buffer *inuse[BUZ_NUM_STAT_COM * 2]; +}; + +static inline struct zoran *to_zoran(struct v4l2_device *v4l2_dev) +{ + return container_of(v4l2_dev, struct zoran, v4l2_dev); +} + +/* There was something called _ALPHA_BUZ that used the PCI address instead of + * the kernel iomapped address for btread/btwrite. */ +#define btwrite(dat, adr) writel((dat), zr->zr36057_mem + (adr)) +#define btread(adr) readl(zr->zr36057_mem + (adr)) + +#define btand(dat, adr) btwrite((dat) & btread(adr), adr) +#define btor(dat, adr) btwrite((dat) | btread(adr), adr) +#define btaor(dat, mask, adr) btwrite((dat) | ((mask) & btread(adr)), adr) + +#endif + +int zoran_queue_init(struct zoran *zr, struct vb2_queue *vq); +void zoran_queue_exit(struct zoran *zr); +int zr_set_buf(struct zoran *zr); |