1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * zoran - Iomega Buz driver 4 * 5 * Copyright (C) 1999 Rainer Johanni <Rainer@Johanni.de> 6 * 7 * based on 8 * 9 * zoran.0.0.3 Copyright (C) 1998 Dave Perks <dperks@ibm.net> 10 * 11 * and 12 * 13 * bttv - Bt848 frame grabber driver 14 * Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de) 15 * & Marcus Metzler (mocm@thp.uni-koeln.de) 16 */ 17 18 #ifndef _BUZ_H_ 19 #define _BUZ_H_ 20 21 #include <linux/debugfs.h> 22 #include <linux/pci.h> 23 #include <linux/i2c-algo-bit.h> 24 #include <media/v4l2-device.h> 25 #include <media/v4l2-ctrls.h> 26 #include <media/videobuf2-core.h> 27 #include <media/videobuf2-v4l2.h> 28 #include <media/videobuf2-dma-contig.h> 29 30 #define ZR_NORM_PAL 0 31 #define ZR_NORM_NTSC 1 32 #define ZR_NORM_SECAM 2 33 34 struct zr_buffer { 35 /* common v4l buffer stuff -- must be first */ 36 struct vb2_v4l2_buffer vbuf; 37 struct list_head queue; 38 }; 39 40 static inline struct zr_buffer *vb2_to_zr_buffer(struct vb2_buffer *vb) 41 { 42 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 43 44 return container_of(vbuf, struct zr_buffer, vbuf); 45 } 46 47 #define ZORAN_NAME "ZORAN" /* name of the device */ 48 49 #define ZR_DEVNAME(zr) ((zr)->name) 50 51 #define BUZ_MAX_WIDTH (zr->timing->wa) 52 #define BUZ_MAX_HEIGHT (zr->timing->ha) 53 #define BUZ_MIN_WIDTH 32 /* never display less than 32 pixels */ 54 #define BUZ_MIN_HEIGHT 24 /* never display less than 24 rows */ 55 56 #define BUZ_NUM_STAT_COM 4 57 #define BUZ_MASK_STAT_COM 3 58 59 #define BUZ_MAX_INPUT 16 60 61 #include "zr36057.h" 62 63 enum card_type { 64 UNKNOWN = -1, 65 66 /* Pinnacle/Miro */ 67 DC10_OLD, /* DC30 like */ 68 DC10_NEW, /* DC10_PLUS like */ 69 DC10_PLUS, 70 DC30, 71 DC30_PLUS, 72 73 /* Linux Media Labs */ 74 LML33, 75 LML33R10, 76 77 /* Iomega */ 78 BUZ, 79 80 /* AverMedia */ 81 AVS6EYES, 82 83 /* total number of cards */ 84 NUM_CARDS 85 }; 86 87 enum zoran_codec_mode { 88 BUZ_MODE_IDLE, /* nothing going on */ 89 BUZ_MODE_MOTION_COMPRESS, /* grabbing frames */ 90 BUZ_MODE_MOTION_DECOMPRESS, /* playing frames */ 91 BUZ_MODE_STILL_COMPRESS, /* still frame conversion */ 92 BUZ_MODE_STILL_DECOMPRESS /* still frame conversion */ 93 }; 94 95 enum zoran_map_mode { 96 ZORAN_MAP_MODE_NONE, 97 ZORAN_MAP_MODE_RAW, 98 ZORAN_MAP_MODE_JPG_REC, 99 ZORAN_MAP_MODE_JPG_PLAY, 100 }; 101 102 enum gpio_type { 103 ZR_GPIO_JPEG_SLEEP = 0, 104 ZR_GPIO_JPEG_RESET, 105 ZR_GPIO_JPEG_FRAME, 106 ZR_GPIO_VID_DIR, 107 ZR_GPIO_VID_EN, 108 ZR_GPIO_VID_RESET, 109 ZR_GPIO_CLK_SEL1, 110 ZR_GPIO_CLK_SEL2, 111 ZR_GPIO_MAX, 112 }; 113 114 enum gpcs_type { 115 GPCS_JPEG_RESET = 0, 116 GPCS_JPEG_START, 117 GPCS_MAX, 118 }; 119 120 struct zoran_format { 121 char *name; 122 __u32 fourcc; 123 int colorspace; 124 int depth; 125 __u32 flags; 126 __u32 vfespfr; 127 }; 128 129 /* flags */ 130 #define ZORAN_FORMAT_COMPRESSED BIT(0) 131 #define ZORAN_FORMAT_OVERLAY BIT(1) 132 #define ZORAN_FORMAT_CAPTURE BIT(2) 133 #define ZORAN_FORMAT_PLAYBACK BIT(3) 134 135 /* v4l-capture settings */ 136 struct zoran_v4l_settings { 137 int width, height, bytesperline; /* capture size */ 138 const struct zoran_format *format; /* capture format */ 139 }; 140 141 /* jpg-capture/-playback settings */ 142 struct zoran_jpg_settings { 143 /* this bit is used to set everything to default */ 144 int decimation; 145 /* capture decimation settings (tmp_dcm=1 means both fields) */ 146 int hor_dcm, ver_dcm, tmp_dcm; 147 /* field-settings (odd_even=1 (+tmp_dcm=1) means top-field-first) */ 148 int field_per_buff, odd_even; 149 /* crop settings (subframe capture) */ 150 int img_x, img_y, img_width, img_height; 151 /* JPEG-specific capture settings */ 152 struct v4l2_jpegcompression jpg_comp; 153 }; 154 155 struct zoran; 156 157 /* zoran_fh contains per-open() settings */ 158 struct zoran_fh { 159 struct v4l2_fh fh; 160 struct zoran *zr; 161 }; 162 163 struct card_info { 164 enum card_type type; 165 char name[32]; 166 const char *i2c_decoder; /* i2c decoder device */ 167 const unsigned short *addrs_decoder; 168 const char *i2c_encoder; /* i2c encoder device */ 169 const unsigned short *addrs_encoder; 170 u16 video_vfe, video_codec; /* videocodec types */ 171 u16 audio_chip; /* audio type */ 172 173 int inputs; /* number of video inputs */ 174 struct input { 175 int muxsel; 176 char name[32]; 177 } input[BUZ_MAX_INPUT]; 178 179 v4l2_std_id norms; 180 const struct tvnorm *tvn[3]; /* supported TV norms */ 181 182 u32 jpeg_int; /* JPEG interrupt */ 183 u32 vsync_int; /* VSYNC interrupt */ 184 s8 gpio[ZR_GPIO_MAX]; 185 u8 gpcs[GPCS_MAX]; 186 187 struct vfe_polarity vfe_pol; 188 u8 gpio_pol[ZR_GPIO_MAX]; 189 190 /* is the /GWS line connected? */ 191 u8 gws_not_connected; 192 193 /* avs6eyes mux setting */ 194 u8 input_mux; 195 196 void (*init)(struct zoran *zr); 197 }; 198 199 struct zoran { 200 struct v4l2_device v4l2_dev; 201 struct v4l2_ctrl_handler hdl; 202 struct video_device *video_dev; 203 struct vb2_queue vq; 204 205 struct i2c_adapter i2c_adapter; /* */ 206 struct i2c_algo_bit_data i2c_algo; /* */ 207 u32 i2cbr; 208 209 struct v4l2_subdev *decoder; /* video decoder sub-device */ 210 struct v4l2_subdev *encoder; /* video encoder sub-device */ 211 212 struct videocodec *codec; /* video codec */ 213 struct videocodec *vfe; /* video front end */ 214 215 struct mutex lock; /* file ops serialize lock */ 216 217 u8 initialized; /* flag if zoran has been correctly initialized */ 218 struct card_info card; 219 const struct tvnorm *timing; 220 221 unsigned short id; /* number of this device */ 222 char name[32]; /* name of this device */ 223 struct pci_dev *pci_dev; /* PCI device */ 224 unsigned char revision; /* revision of zr36057 */ 225 unsigned char __iomem *zr36057_mem;/* pointer to mapped IO memory */ 226 227 spinlock_t spinlock; /* Spinlock */ 228 229 /* Video for Linux parameters */ 230 int input; /* card's norm and input */ 231 v4l2_std_id norm; 232 233 /* Current buffer params */ 234 unsigned int buffer_size; 235 236 struct zoran_v4l_settings v4l_settings; /* structure with a lot of things to play with */ 237 238 /* Buz MJPEG parameters */ 239 enum zoran_codec_mode codec_mode; /* status of codec */ 240 struct zoran_jpg_settings jpg_settings; /* structure with a lot of things to play with */ 241 242 /* grab queue counts/indices, mask with BUZ_MASK_STAT_COM before using as index */ 243 /* (dma_head - dma_tail) is number active in DMA, must be <= BUZ_NUM_STAT_COM */ 244 /* (value & BUZ_MASK_STAT_COM) corresponds to index in stat_com table */ 245 unsigned long jpg_que_head; /* Index where to put next buffer which is queued */ 246 unsigned long jpg_dma_head; /* Index of next buffer which goes into stat_com */ 247 unsigned long jpg_dma_tail; /* Index of last buffer in stat_com */ 248 unsigned long jpg_que_tail; /* Index of last buffer in queue */ 249 unsigned long jpg_seq_num; /* count of frames since grab/play started */ 250 unsigned long jpg_err_seq; /* last seq_num before error */ 251 unsigned long jpg_err_shift; 252 unsigned long jpg_queued_num; /* count of frames queued since grab/play started */ 253 unsigned long vbseq; 254 255 /* zr36057's code buffer table */ 256 /* stat_com[i] is indexed by dma_head/tail & BUZ_MASK_STAT_COM */ 257 __le32 *stat_com; 258 259 /* Additional stuff for testing */ 260 unsigned int ghost_int; 261 int intr_counter_GIRQ1; 262 int intr_counter_GIRQ0; 263 int intr_counter_cod_rep_irq; 264 int intr_counter_jpeg_rep_irq; 265 int field_counter; 266 int irq1_in; 267 int irq1_out; 268 int jpeg_in; 269 int jpeg_out; 270 int JPEG_0; 271 int JPEG_1; 272 int end_event_missed; 273 int jpeg_missed; 274 int jpeg_error; 275 int num_errors; 276 int jpeg_max_missed; 277 int jpeg_min_missed; 278 unsigned int prepared; 279 unsigned int queued; 280 281 u32 last_isr; 282 unsigned long frame_num; 283 int running; 284 int buf_in_reserve; 285 286 dma_addr_t p_sc; 287 __le32 *stat_comb; 288 dma_addr_t p_scb; 289 enum zoran_map_mode map_mode; 290 struct list_head queued_bufs; 291 spinlock_t queued_bufs_lock; /* Protects queued_bufs */ 292 struct zr_buffer *inuse[BUZ_NUM_STAT_COM * 2]; 293 struct dentry *dbgfs_dir; 294 }; 295 296 static inline struct zoran *to_zoran(struct v4l2_device *v4l2_dev) 297 { 298 return container_of(v4l2_dev, struct zoran, v4l2_dev); 299 } 300 301 /* 302 * There was something called _ALPHA_BUZ that used the PCI address instead of 303 * the kernel iomapped address for btread/btwrite. 304 */ 305 #define btwrite(dat, adr) writel((dat), zr->zr36057_mem + (adr)) 306 #define btread(adr) readl(zr->zr36057_mem + (adr)) 307 308 #define btand(dat, adr) btwrite((dat) & btread(adr), (adr)) 309 #define btor(dat, adr) btwrite((dat) | btread(adr), (adr)) 310 #define btaor(dat, mask, adr) btwrite((dat) | ((mask) & btread(adr)), (adr)) 311 312 #endif 313 314 /* 315 * Debugging macros 316 */ 317 #define zrdev_dbg(zr, format, args...) \ 318 pci_dbg((zr)->pci_dev, format, ##args) \ 319 320 #define zrdev_err(zr, format, args...) \ 321 pci_err((zr)->pci_dev, format, ##args) \ 322 323 #define zrdev_info(zr, format, args...) \ 324 pci_info((zr)->pci_dev, format, ##args) \ 325 326 int zoran_queue_init(struct zoran *zr, struct vb2_queue *vq, int dir); 327 void zoran_queue_exit(struct zoran *zr); 328 int zr_set_buf(struct zoran *zr); 329