Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Driver for the Conexant CX23885 PCIe bridge |
| 3 | * |
| 4 | * Copyright (c) 2006 Steven Toth <stoth@hauppauge.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 20 | */ |
| 21 | |
| 22 | #include <linux/pci.h> |
| 23 | #include <linux/i2c.h> |
| 24 | #include <linux/i2c-algo-bit.h> |
| 25 | #include <linux/kdev_t.h> |
| 26 | |
| 27 | #include <media/v4l2-common.h> |
| 28 | #include <media/tuner.h> |
| 29 | #include <media/tveeprom.h> |
Trent Piepho | 409d84f | 2007-10-04 05:28:45 -0300 | [diff] [blame] | 30 | #include <media/videobuf-dma-sg.h> |
| 31 | #include <media/videobuf-dvb.h> |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 32 | |
| 33 | #include "btcx-risc.h" |
| 34 | #include "cx23885-reg.h" |
| 35 | |
| 36 | #include <linux/version.h> |
| 37 | #include <linux/mutex.h> |
| 38 | |
Steven Toth | 047646b | 2007-03-20 15:33:53 -0300 | [diff] [blame] | 39 | #define CX23885_VERSION_CODE KERNEL_VERSION(0,0,1) |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 40 | |
| 41 | #define UNSET (-1U) |
| 42 | |
| 43 | #define CX23885_MAXBOARDS 8 |
| 44 | |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 45 | /* Max number of inputs by card */ |
| 46 | #define MAX_CX23885_INPUT 8 |
Steven Toth | 7b88801 | 2008-01-10 03:40:49 -0300 | [diff] [blame] | 47 | #define INPUT(nr) (&cx23885_boards[dev->board].input[nr]) |
| 48 | #define RESOURCE_OVERLAY 1 |
| 49 | #define RESOURCE_VIDEO 2 |
| 50 | #define RESOURCE_VBI 4 |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 51 | |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 52 | #define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */ |
| 53 | |
| 54 | #define CX23885_BOARD_NOAUTO UNSET |
| 55 | #define CX23885_BOARD_UNKNOWN 0 |
| 56 | #define CX23885_BOARD_HAUPPAUGE_HVR1800lp 1 |
| 57 | #define CX23885_BOARD_HAUPPAUGE_HVR1800 2 |
Steven Toth | a77743b | 2007-08-22 21:01:20 -0300 | [diff] [blame] | 58 | #define CX23885_BOARD_HAUPPAUGE_HVR1250 3 |
Michael Krufky | 9bc37ca | 2007-09-08 15:17:13 -0300 | [diff] [blame] | 59 | #define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP 4 |
Steven Toth | d1987d5 | 2007-12-18 01:57:06 -0300 | [diff] [blame] | 60 | #define CX23885_BOARD_HAUPPAUGE_HVR1500Q 5 |
Michael Krufky | 07b4a83 | 2007-12-18 01:09:11 -0300 | [diff] [blame] | 61 | #define CX23885_BOARD_HAUPPAUGE_HVR1500 6 |
Steven Toth | b3ea016 | 2008-04-19 01:14:19 -0300 | [diff] [blame] | 62 | #define CX23885_BOARD_HAUPPAUGE_HVR1200 7 |
Steven Toth | a780a31 | 2008-04-19 01:25:52 -0300 | [diff] [blame] | 63 | #define CX23885_BOARD_HAUPPAUGE_HVR1700 8 |
Steven Toth | 6676237 | 2008-04-22 15:38:26 -0300 | [diff] [blame^] | 64 | #define CX23885_BOARD_HAUPPAUGE_HVR1400 9 |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 65 | |
Steven Toth | 7b88801 | 2008-01-10 03:40:49 -0300 | [diff] [blame] | 66 | /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */ |
| 67 | #define CX23885_NORMS (\ |
| 68 | V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443 | \ |
| 69 | V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \ |
| 70 | V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | \ |
| 71 | V4L2_STD_PAL_60 | V4L2_STD_SECAM_L | V4L2_STD_SECAM_DK) |
| 72 | |
| 73 | struct cx23885_fmt { |
| 74 | char *name; |
| 75 | u32 fourcc; /* v4l2 format id */ |
| 76 | int depth; |
| 77 | int flags; |
| 78 | u32 cxformat; |
| 79 | }; |
| 80 | |
| 81 | struct cx23885_ctrl { |
| 82 | struct v4l2_queryctrl v; |
| 83 | u32 off; |
| 84 | u32 reg; |
| 85 | u32 mask; |
| 86 | u32 shift; |
| 87 | }; |
| 88 | |
| 89 | struct cx23885_tvnorm { |
| 90 | char *name; |
| 91 | v4l2_std_id id; |
| 92 | u32 cxiformat; |
| 93 | u32 cxoformat; |
| 94 | }; |
| 95 | |
| 96 | struct cx23885_fh { |
| 97 | struct cx23885_dev *dev; |
| 98 | enum v4l2_buf_type type; |
| 99 | int radio; |
| 100 | u32 resources; |
| 101 | |
| 102 | /* video overlay */ |
| 103 | struct v4l2_window win; |
| 104 | struct v4l2_clip *clips; |
| 105 | unsigned int nclips; |
| 106 | |
| 107 | /* video capture */ |
| 108 | struct cx23885_fmt *fmt; |
| 109 | unsigned int width, height; |
| 110 | |
| 111 | /* vbi capture */ |
| 112 | struct videobuf_queue vidq; |
| 113 | struct videobuf_queue vbiq; |
| 114 | |
| 115 | /* MPEG Encoder specifics ONLY */ |
| 116 | struct videobuf_queue mpegq; |
| 117 | atomic_t v4l_reading; |
| 118 | }; |
| 119 | |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 120 | enum cx23885_itype { |
| 121 | CX23885_VMUX_COMPOSITE1 = 1, |
| 122 | CX23885_VMUX_COMPOSITE2, |
| 123 | CX23885_VMUX_COMPOSITE3, |
| 124 | CX23885_VMUX_COMPOSITE4, |
| 125 | CX23885_VMUX_SVIDEO, |
| 126 | CX23885_VMUX_TELEVISION, |
| 127 | CX23885_VMUX_CABLE, |
| 128 | CX23885_VMUX_DVB, |
| 129 | CX23885_VMUX_DEBUG, |
| 130 | CX23885_RADIO, |
| 131 | }; |
| 132 | |
Steven Toth | 579f116 | 2007-09-08 15:07:02 -0300 | [diff] [blame] | 133 | enum cx23885_src_sel_type { |
| 134 | CX23885_SRC_SEL_EXT_656_VIDEO = 0, |
| 135 | CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO |
| 136 | }; |
| 137 | |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 138 | /* buffer for one video frame */ |
| 139 | struct cx23885_buffer { |
| 140 | /* common v4l buffer stuff -- must be first */ |
| 141 | struct videobuf_buffer vb; |
| 142 | |
| 143 | /* cx23885 specific */ |
| 144 | unsigned int bpl; |
| 145 | struct btcx_riscmem risc; |
| 146 | struct cx23885_fmt *fmt; |
| 147 | u32 count; |
| 148 | }; |
| 149 | |
| 150 | struct cx23885_input { |
| 151 | enum cx23885_itype type; |
| 152 | unsigned int vmux; |
| 153 | u32 gpio0, gpio1, gpio2, gpio3; |
| 154 | }; |
| 155 | |
Steven Toth | 661c7e4 | 2007-09-06 16:07:49 -0300 | [diff] [blame] | 156 | typedef enum { |
| 157 | CX23885_MPEG_UNDEFINED = 0, |
Steven Toth | 7b88801 | 2008-01-10 03:40:49 -0300 | [diff] [blame] | 158 | CX23885_MPEG_DVB, |
| 159 | CX23885_ANALOG_VIDEO, |
Steven Toth | 661c7e4 | 2007-09-06 16:07:49 -0300 | [diff] [blame] | 160 | } port_t; |
| 161 | |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 162 | struct cx23885_board { |
| 163 | char *name; |
Steven Toth | 7b88801 | 2008-01-10 03:40:49 -0300 | [diff] [blame] | 164 | port_t porta, portb, portc; |
| 165 | unsigned int tuner_type; |
| 166 | unsigned int radio_type; |
| 167 | unsigned char tuner_addr; |
| 168 | unsigned char radio_addr; |
Steven Toth | c771261 | 2008-01-10 02:24:27 -0300 | [diff] [blame] | 169 | |
| 170 | /* Vendors can and do run the PCIe bridge at different |
| 171 | * clock rates, driven physically by crystals on the PCBs. |
| 172 | * The core has to accomodate this. This allows the user |
| 173 | * to add new boards with new frequencys. The value is |
| 174 | * expressed in Hz. |
| 175 | * |
| 176 | * The core framework will default this value based on |
| 177 | * current designs, but it can vary. |
| 178 | */ |
| 179 | u32 clk_freq; |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 180 | struct cx23885_input input[MAX_CX23885_INPUT]; |
| 181 | }; |
| 182 | |
| 183 | struct cx23885_subid { |
| 184 | u16 subvendor; |
| 185 | u16 subdevice; |
| 186 | u32 card; |
| 187 | }; |
| 188 | |
| 189 | struct cx23885_i2c { |
| 190 | struct cx23885_dev *dev; |
| 191 | |
| 192 | int nr; |
| 193 | |
| 194 | /* i2c i/o */ |
| 195 | struct i2c_adapter i2c_adap; |
| 196 | struct i2c_algo_bit_data i2c_algo; |
| 197 | struct i2c_client i2c_client; |
| 198 | u32 i2c_rc; |
| 199 | |
| 200 | /* 885 registers used for raw addess */ |
| 201 | u32 i2c_period; |
| 202 | u32 reg_ctrl; |
| 203 | u32 reg_stat; |
| 204 | u32 reg_addr; |
| 205 | u32 reg_rdata; |
| 206 | u32 reg_wdata; |
| 207 | }; |
| 208 | |
| 209 | struct cx23885_dmaqueue { |
| 210 | struct list_head active; |
| 211 | struct list_head queued; |
| 212 | struct timer_list timeout; |
| 213 | struct btcx_riscmem stopper; |
| 214 | u32 count; |
| 215 | }; |
| 216 | |
| 217 | struct cx23885_tsport { |
| 218 | struct cx23885_dev *dev; |
| 219 | |
| 220 | int nr; |
| 221 | int sram_chno; |
| 222 | |
| 223 | struct videobuf_dvb dvb; |
| 224 | |
| 225 | /* dma queues */ |
| 226 | struct cx23885_dmaqueue mpegq; |
| 227 | u32 ts_packet_size; |
| 228 | u32 ts_packet_count; |
| 229 | |
| 230 | int width; |
| 231 | int height; |
| 232 | |
| 233 | spinlock_t slock; |
| 234 | |
| 235 | /* registers */ |
| 236 | u32 reg_gpcnt; |
| 237 | u32 reg_gpcnt_ctl; |
| 238 | u32 reg_dma_ctl; |
| 239 | u32 reg_lngth; |
| 240 | u32 reg_hw_sop_ctrl; |
| 241 | u32 reg_gen_ctrl; |
| 242 | u32 reg_bd_pkt_status; |
| 243 | u32 reg_sop_status; |
| 244 | u32 reg_fifo_ovfl_stat; |
| 245 | u32 reg_vld_misc; |
| 246 | u32 reg_ts_clk_en; |
| 247 | u32 reg_ts_int_msk; |
Steven Toth | a6a3f14 | 2007-09-08 21:31:56 -0300 | [diff] [blame] | 248 | u32 reg_ts_int_stat; |
Steven Toth | 579f116 | 2007-09-08 15:07:02 -0300 | [diff] [blame] | 249 | u32 reg_src_sel; |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 250 | |
| 251 | /* Default register vals */ |
| 252 | int pci_irqmask; |
| 253 | u32 dma_ctl_val; |
| 254 | u32 ts_int_msk_val; |
| 255 | u32 gen_ctrl_val; |
| 256 | u32 ts_clk_en_val; |
Steven Toth | 579f116 | 2007-09-08 15:07:02 -0300 | [diff] [blame] | 257 | u32 src_sel_val; |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 258 | }; |
| 259 | |
| 260 | struct cx23885_dev { |
| 261 | struct list_head devlist; |
| 262 | atomic_t refcount; |
| 263 | |
| 264 | /* pci stuff */ |
| 265 | struct pci_dev *pci; |
| 266 | unsigned char pci_rev, pci_lat; |
| 267 | int pci_bus, pci_slot; |
| 268 | u32 __iomem *lmmio; |
| 269 | u8 __iomem *bmmio; |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 270 | int pci_irqmask; |
Steven Toth | 0ac5881 | 2008-01-10 02:06:35 -0300 | [diff] [blame] | 271 | int hwrevision; |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 272 | |
Steven Toth | c771261 | 2008-01-10 02:24:27 -0300 | [diff] [blame] | 273 | /* This valud is board specific and is used to configure the |
| 274 | * AV core so we see nice clean and stable video and audio. */ |
| 275 | u32 clk_freq; |
| 276 | |
Michael Krufky | 44a6481 | 2007-03-20 23:00:18 -0300 | [diff] [blame] | 277 | /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */ |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 278 | struct cx23885_i2c i2c_bus[3]; |
| 279 | |
| 280 | int nr; |
| 281 | struct mutex lock; |
| 282 | |
| 283 | /* board details */ |
| 284 | unsigned int board; |
| 285 | char name[32]; |
| 286 | |
Steven Toth | a6a3f14 | 2007-09-08 21:31:56 -0300 | [diff] [blame] | 287 | struct cx23885_tsport ts1, ts2; |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 288 | |
| 289 | /* sram configuration */ |
| 290 | struct sram_channel *sram_channels; |
Steven Toth | e133be0 | 2007-03-19 19:22:41 -0300 | [diff] [blame] | 291 | |
| 292 | enum { |
| 293 | CX23885_BRIDGE_UNDEFINED = 0, |
| 294 | CX23885_BRIDGE_885 = 885, |
| 295 | CX23885_BRIDGE_887 = 887, |
| 296 | } bridge; |
Steven Toth | 7b88801 | 2008-01-10 03:40:49 -0300 | [diff] [blame] | 297 | |
| 298 | /* Analog video */ |
| 299 | u32 resources; |
| 300 | unsigned int input; |
| 301 | u32 tvaudio; |
| 302 | v4l2_std_id tvnorm; |
| 303 | unsigned int tuner_type; |
| 304 | unsigned char tuner_addr; |
| 305 | unsigned int radio_type; |
| 306 | unsigned char radio_addr; |
| 307 | unsigned int has_radio; |
| 308 | |
| 309 | /* V4l */ |
| 310 | u32 freq; |
| 311 | struct video_device *video_dev; |
| 312 | struct video_device *vbi_dev; |
| 313 | struct video_device *radio_dev; |
| 314 | |
| 315 | struct cx23885_dmaqueue vidq; |
| 316 | struct cx23885_dmaqueue vbiq; |
| 317 | spinlock_t slock; |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 318 | }; |
| 319 | |
Steven Toth | 7b88801 | 2008-01-10 03:40:49 -0300 | [diff] [blame] | 320 | extern struct list_head cx23885_devlist; |
| 321 | |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 322 | #define SRAM_CH01 0 /* Video A */ |
| 323 | #define SRAM_CH02 1 /* VBI A */ |
| 324 | #define SRAM_CH03 2 /* Video B */ |
| 325 | #define SRAM_CH04 3 /* Transport via B */ |
| 326 | #define SRAM_CH05 4 /* VBI B */ |
| 327 | #define SRAM_CH06 5 /* Video C */ |
| 328 | #define SRAM_CH07 6 /* Transport via C */ |
| 329 | #define SRAM_CH08 7 /* Audio Internal A */ |
| 330 | #define SRAM_CH09 8 /* Audio Internal B */ |
| 331 | #define SRAM_CH10 9 /* Audio External */ |
| 332 | #define SRAM_CH11 10 /* COMB_3D_N */ |
| 333 | #define SRAM_CH12 11 /* Comb 3D N1 */ |
| 334 | #define SRAM_CH13 12 /* Comb 3D N2 */ |
| 335 | #define SRAM_CH14 13 /* MOE Vid */ |
| 336 | #define SRAM_CH15 14 /* MOE RSLT */ |
| 337 | |
| 338 | struct sram_channel { |
| 339 | char *name; |
| 340 | u32 cmds_start; |
| 341 | u32 ctrl_start; |
| 342 | u32 cdt; |
| 343 | u32 fifo_start;; |
| 344 | u32 fifo_size; |
| 345 | u32 ptr1_reg; |
| 346 | u32 ptr2_reg; |
| 347 | u32 cnt1_reg; |
| 348 | u32 cnt2_reg; |
| 349 | u32 jumponly; |
| 350 | }; |
| 351 | |
| 352 | /* ----------------------------------------------------------- */ |
| 353 | |
| 354 | #define cx_read(reg) readl(dev->lmmio + ((reg)>>2)) |
| 355 | #define cx_write(reg,value) writel((value), dev->lmmio + ((reg)>>2)) |
| 356 | |
| 357 | #define cx_andor(reg,mask,value) \ |
| 358 | writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\ |
| 359 | ((value) & (mask)), dev->lmmio+((reg)>>2)) |
| 360 | |
| 361 | #define cx_set(reg,bit) cx_andor((reg),(bit),(bit)) |
| 362 | #define cx_clear(reg,bit) cx_andor((reg),(bit),0) |
| 363 | |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 364 | /* ----------------------------------------------------------- */ |
Steven Toth | 7b88801 | 2008-01-10 03:40:49 -0300 | [diff] [blame] | 365 | /* cx23885-core.c */ |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 366 | |
Steven Toth | 7b88801 | 2008-01-10 03:40:49 -0300 | [diff] [blame] | 367 | extern int cx23885_sram_channel_setup(struct cx23885_dev *dev, |
| 368 | struct sram_channel *ch, |
| 369 | unsigned int bpl, u32 risc); |
| 370 | |
| 371 | extern void cx23885_sram_channel_dump(struct cx23885_dev *dev, |
| 372 | struct sram_channel *ch); |
| 373 | |
| 374 | extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, |
| 375 | u32 reg, u32 mask, u32 value); |
| 376 | |
| 377 | extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc, |
| 378 | struct scatterlist *sglist, |
| 379 | unsigned int top_offset, unsigned int bottom_offset, |
| 380 | unsigned int bpl, unsigned int padding, unsigned int lines); |
| 381 | |
| 382 | void cx23885_cancel_buffers(struct cx23885_tsport *port); |
| 383 | |
| 384 | extern int cx23885_restart_queue(struct cx23885_tsport *port, |
| 385 | struct cx23885_dmaqueue *q); |
| 386 | |
| 387 | extern void cx23885_wakeup(struct cx23885_tsport *port, |
| 388 | struct cx23885_dmaqueue *q, u32 count); |
| 389 | |
| 390 | |
| 391 | /* ----------------------------------------------------------- */ |
| 392 | /* cx23885-cards.c */ |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 393 | extern struct cx23885_board cx23885_boards[]; |
| 394 | extern const unsigned int cx23885_bcount; |
| 395 | |
| 396 | extern struct cx23885_subid cx23885_subids[]; |
| 397 | extern const unsigned int cx23885_idcount; |
| 398 | |
Steven Toth | 73c993a | 2008-01-05 17:08:05 -0300 | [diff] [blame] | 399 | extern int cx23885_tuner_callback(void *priv, int command, int arg); |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 400 | extern void cx23885_card_list(struct cx23885_dev *dev); |
Steven Toth | a6a3f14 | 2007-09-08 21:31:56 -0300 | [diff] [blame] | 401 | extern int cx23885_ir_init(struct cx23885_dev *dev); |
| 402 | extern void cx23885_gpio_setup(struct cx23885_dev *dev); |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 403 | extern void cx23885_card_setup(struct cx23885_dev *dev); |
| 404 | extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev); |
| 405 | |
| 406 | extern int cx23885_dvb_register(struct cx23885_tsport *port); |
| 407 | extern int cx23885_dvb_unregister(struct cx23885_tsport *port); |
| 408 | |
Michael Krufky | 44a6481 | 2007-03-20 23:00:18 -0300 | [diff] [blame] | 409 | extern int cx23885_buf_prepare(struct videobuf_queue *q, |
| 410 | struct cx23885_tsport *port, |
| 411 | struct cx23885_buffer *buf, |
| 412 | enum v4l2_field field); |
Michael Krufky | 44a6481 | 2007-03-20 23:00:18 -0300 | [diff] [blame] | 413 | extern void cx23885_buf_queue(struct cx23885_tsport *port, |
| 414 | struct cx23885_buffer *buf); |
| 415 | extern void cx23885_free_buffer(struct videobuf_queue *q, |
| 416 | struct cx23885_buffer *buf); |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 417 | |
| 418 | /* ----------------------------------------------------------- */ |
Steven Toth | 7b88801 | 2008-01-10 03:40:49 -0300 | [diff] [blame] | 419 | /* cx23885-video.c */ |
| 420 | /* Video */ |
| 421 | extern int cx23885_video_register(struct cx23885_dev *dev); |
| 422 | extern void cx23885_video_unregister(struct cx23885_dev *dev); |
| 423 | extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status); |
| 424 | |
| 425 | /* ----------------------------------------------------------- */ |
| 426 | /* cx23885-vbi.c */ |
| 427 | extern int cx23885_vbi_fmt(struct file *file, void *priv, |
| 428 | struct v4l2_format *f); |
| 429 | extern void cx23885_vbi_timeout(unsigned long data); |
| 430 | extern struct videobuf_queue_ops cx23885_vbi_qops; |
| 431 | |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 432 | /* cx23885-i2c.c */ |
| 433 | extern int cx23885_i2c_register(struct cx23885_i2c *bus); |
| 434 | extern int cx23885_i2c_unregister(struct cx23885_i2c *bus); |
Michael Krufky | 44a6481 | 2007-03-20 23:00:18 -0300 | [diff] [blame] | 435 | extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd, |
| 436 | void *arg); |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 437 | |
Steven Toth | 7b88801 | 2008-01-10 03:40:49 -0300 | [diff] [blame] | 438 | /* ----------------------------------------------------------- */ |
| 439 | /* tv norms */ |
| 440 | |
| 441 | static inline unsigned int norm_maxw(v4l2_std_id norm) |
| 442 | { |
| 443 | return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768; |
| 444 | } |
| 445 | |
| 446 | static inline unsigned int norm_maxh(v4l2_std_id norm) |
| 447 | { |
| 448 | return (norm & V4L2_STD_625_50) ? 576 : 480; |
| 449 | } |
| 450 | |
| 451 | static inline unsigned int norm_swidth(v4l2_std_id norm) |
| 452 | { |
| 453 | return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922; |
| 454 | } |
| 455 | |
| 456 | |
Steven Toth | d19770e | 2007-03-11 20:44:05 -0300 | [diff] [blame] | 457 | /* |
| 458 | * Local variables: |
| 459 | * c-basic-offset: 8 |
| 460 | * End: |
| 461 | * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off |
| 462 | */ |