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Driver Core: devtmpfs - kernel-maintained tmpfs-based /dev
[linux/fpc-iii.git] / drivers / media / video / cx23885 / cx23885.h
blob214a55e943b783dc7a6cfaab95bb25f4fe504ee1
1 /*
2 * Driver for the Conexant CX23885 PCIe bridge
3 *
4 * Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
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-device.h>
28 #include <media/tuner.h>
29 #include <media/tveeprom.h>
30 #include <media/videobuf-dma-sg.h>
31 #include <media/videobuf-dvb.h>
32
33 #include "btcx-risc.h"
34 #include "cx23885-reg.h"
35 #include "media/cx2341x.h"
36
37 #include <linux/version.h>
38 #include <linux/mutex.h>
39
40 #define CX23885_VERSION_CODE KERNEL_VERSION(0, 0, 2)
41
42 #define UNSET (-1U)
43
44 #define CX23885_MAXBOARDS 8
45
46 /* Max number of inputs by card */
47 #define MAX_CX23885_INPUT 8
48 #define INPUT(nr) (&cx23885_boards[dev->board].input[nr])
49 #define RESOURCE_OVERLAY 1
50 #define RESOURCE_VIDEO 2
51 #define RESOURCE_VBI 4
52
53 #define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */
54
55 #define CX23885_BOARD_NOAUTO UNSET
56 #define CX23885_BOARD_UNKNOWN 0
57 #define CX23885_BOARD_HAUPPAUGE_HVR1800lp 1
58 #define CX23885_BOARD_HAUPPAUGE_HVR1800 2
59 #define CX23885_BOARD_HAUPPAUGE_HVR1250 3
60 #define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP 4
61 #define CX23885_BOARD_HAUPPAUGE_HVR1500Q 5
62 #define CX23885_BOARD_HAUPPAUGE_HVR1500 6
63 #define CX23885_BOARD_HAUPPAUGE_HVR1200 7
64 #define CX23885_BOARD_HAUPPAUGE_HVR1700 8
65 #define CX23885_BOARD_HAUPPAUGE_HVR1400 9
66 #define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
67 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
68 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12
69 #define CX23885_BOARD_COMPRO_VIDEOMATE_E650F 13
70 #define CX23885_BOARD_TBS_6920 14
71 #define CX23885_BOARD_TEVII_S470 15
72 #define CX23885_BOARD_DVBWORLD_2005 16
73 #define CX23885_BOARD_NETUP_DUAL_DVBS2_CI 17
74 #define CX23885_BOARD_HAUPPAUGE_HVR1270 18
75 #define CX23885_BOARD_HAUPPAUGE_HVR1275 19
76 #define CX23885_BOARD_HAUPPAUGE_HVR1255 20
77 #define CX23885_BOARD_HAUPPAUGE_HVR1210 21
78 #define CX23885_BOARD_MYGICA_X8506 22
79
80 #define GPIO_0 0x00000001
81 #define GPIO_1 0x00000002
82 #define GPIO_2 0x00000004
83 #define GPIO_3 0x00000008
84 #define GPIO_4 0x00000010
85 #define GPIO_5 0x00000020
86 #define GPIO_6 0x00000040
87 #define GPIO_7 0x00000080
88 #define GPIO_8 0x00000100
89 #define GPIO_9 0x00000200
90
91 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
92 #define CX23885_NORMS (\
93 V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443 | \
94 V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \
95 V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | \
96 V4L2_STD_PAL_60 | V4L2_STD_SECAM_L | V4L2_STD_SECAM_DK)
97
98 struct cx23885_fmt {
99 char *name;
100 u32 fourcc; /* v4l2 format id */
101 int depth;
102 int flags;
103 u32 cxformat;
104 };
105
106 struct cx23885_ctrl {
107 struct v4l2_queryctrl v;
108 u32 off;
109 u32 reg;
110 u32 mask;
111 u32 shift;
112 };
113
114 struct cx23885_tvnorm {
115 char *name;
116 v4l2_std_id id;
117 u32 cxiformat;
118 u32 cxoformat;
119 };
120
121 struct cx23885_fh {
122 struct cx23885_dev *dev;
123 enum v4l2_buf_type type;
124 int radio;
125 u32 resources;
126
127 /* video overlay */
128 struct v4l2_window win;
129 struct v4l2_clip *clips;
130 unsigned int nclips;
131
132 /* video capture */
133 struct cx23885_fmt *fmt;
134 unsigned int width, height;
135
136 /* vbi capture */
137 struct videobuf_queue vidq;
138 struct videobuf_queue vbiq;
139
140 /* MPEG Encoder specifics ONLY */
141 struct videobuf_queue mpegq;
142 atomic_t v4l_reading;
143 };
144
145 enum cx23885_itype {
146 CX23885_VMUX_COMPOSITE1 = 1,
147 CX23885_VMUX_COMPOSITE2,
148 CX23885_VMUX_COMPOSITE3,
149 CX23885_VMUX_COMPOSITE4,
150 CX23885_VMUX_SVIDEO,
151 CX23885_VMUX_TELEVISION,
152 CX23885_VMUX_CABLE,
153 CX23885_VMUX_DVB,
154 CX23885_VMUX_DEBUG,
155 CX23885_RADIO,
156 };
157
158 enum cx23885_src_sel_type {
159 CX23885_SRC_SEL_EXT_656_VIDEO = 0,
160 CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
161 };
162
163 /* buffer for one video frame */
164 struct cx23885_buffer {
165 /* common v4l buffer stuff -- must be first */
166 struct videobuf_buffer vb;
167
168 /* cx23885 specific */
169 unsigned int bpl;
170 struct btcx_riscmem risc;
171 struct cx23885_fmt *fmt;
172 u32 count;
173 };
174
175 struct cx23885_input {
176 enum cx23885_itype type;
177 unsigned int vmux;
178 u32 gpio0, gpio1, gpio2, gpio3;
179 };
180
181 typedef enum {
182 CX23885_MPEG_UNDEFINED = 0,
183 CX23885_MPEG_DVB,
184 CX23885_ANALOG_VIDEO,
185 CX23885_MPEG_ENCODER,
186 } port_t;
187
188 struct cx23885_board {
189 char *name;
190 port_t porta, portb, portc;
191 unsigned int tuner_type;
192 unsigned int radio_type;
193 unsigned char tuner_addr;
194 unsigned char radio_addr;
195
196 /* Vendors can and do run the PCIe bridge at different
197 * clock rates, driven physically by crystals on the PCBs.
198 * The core has to accomodate this. This allows the user
199 * to add new boards with new frequencys. The value is
200 * expressed in Hz.
201 *
202 * The core framework will default this value based on
203 * current designs, but it can vary.
204 */
205 u32 clk_freq;
206 struct cx23885_input input[MAX_CX23885_INPUT];
207 int cimax; /* for NetUP */
208 };
209
210 struct cx23885_subid {
211 u16 subvendor;
212 u16 subdevice;
213 u32 card;
214 };
215
216 struct cx23885_i2c {
217 struct cx23885_dev *dev;
218
219 int nr;
220
221 /* i2c i/o */
222 struct i2c_adapter i2c_adap;
223 struct i2c_algo_bit_data i2c_algo;
224 struct i2c_client i2c_client;
225 u32 i2c_rc;
226
227 /* 885 registers used for raw addess */
228 u32 i2c_period;
229 u32 reg_ctrl;
230 u32 reg_stat;
231 u32 reg_addr;
232 u32 reg_rdata;
233 u32 reg_wdata;
234 };
235
236 struct cx23885_dmaqueue {
237 struct list_head active;
238 struct list_head queued;
239 struct timer_list timeout;
240 struct btcx_riscmem stopper;
241 u32 count;
242 };
243
244 struct cx23885_tsport {
245 struct cx23885_dev *dev;
246
247 int nr;
248 int sram_chno;
249
250 struct videobuf_dvb_frontends frontends;
251
252 /* dma queues */
253 struct cx23885_dmaqueue mpegq;
254 u32 ts_packet_size;
255 u32 ts_packet_count;
256
257 int width;
258 int height;
259
260 spinlock_t slock;
261
262 /* registers */
263 u32 reg_gpcnt;
264 u32 reg_gpcnt_ctl;
265 u32 reg_dma_ctl;
266 u32 reg_lngth;
267 u32 reg_hw_sop_ctrl;
268 u32 reg_gen_ctrl;
269 u32 reg_bd_pkt_status;
270 u32 reg_sop_status;
271 u32 reg_fifo_ovfl_stat;
272 u32 reg_vld_misc;
273 u32 reg_ts_clk_en;
274 u32 reg_ts_int_msk;
275 u32 reg_ts_int_stat;
276 u32 reg_src_sel;
277
278 /* Default register vals */
279 int pci_irqmask;
280 u32 dma_ctl_val;
281 u32 ts_int_msk_val;
282 u32 gen_ctrl_val;
283 u32 ts_clk_en_val;
284 u32 src_sel_val;
285 u32 vld_misc_val;
286 u32 hw_sop_ctrl_val;
287
288 /* Allow a single tsport to have multiple frontends */
289 u32 num_frontends;
290 void *port_priv;
291
292 /* FIXME: temporary hack */
293 int (*set_frontend_save) (struct dvb_frontend *,
294 struct dvb_frontend_parameters *);
295 };
296
297 struct cx23885_dev {
298 struct list_head devlist;
299 atomic_t refcount;
300 struct v4l2_device v4l2_dev;
301
302 /* pci stuff */
303 struct pci_dev *pci;
304 unsigned char pci_rev, pci_lat;
305 int pci_bus, pci_slot;
306 u32 __iomem *lmmio;
307 u8 __iomem *bmmio;
308 int pci_irqmask;
309 int hwrevision;
310
311 /* This valud is board specific and is used to configure the
312 * AV core so we see nice clean and stable video and audio. */
313 u32 clk_freq;
314
315 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
316 struct cx23885_i2c i2c_bus[3];
317
318 int nr;
319 struct mutex lock;
320
321 /* board details */
322 unsigned int board;
323 char name[32];
324
325 struct cx23885_tsport ts1, ts2;
326
327 /* sram configuration */
328 struct sram_channel *sram_channels;
329
330 enum {
331 CX23885_BRIDGE_UNDEFINED = 0,
332 CX23885_BRIDGE_885 = 885,
333 CX23885_BRIDGE_887 = 887,
334 } bridge;
335
336 /* Analog video */
337 u32 resources;
338 unsigned int input;
339 u32 tvaudio;
340 v4l2_std_id tvnorm;
341 unsigned int tuner_type;
342 unsigned char tuner_addr;
343 unsigned int radio_type;
344 unsigned char radio_addr;
345 unsigned int has_radio;
346 struct v4l2_subdev *sd_cx25840;
347
348 /* V4l */
349 u32 freq;
350 struct video_device *video_dev;
351 struct video_device *vbi_dev;
352 struct video_device *radio_dev;
353
354 struct cx23885_dmaqueue vidq;
355 struct cx23885_dmaqueue vbiq;
356 spinlock_t slock;
357
358 /* MPEG Encoder ONLY settings */
359 u32 cx23417_mailbox;
360 struct cx2341x_mpeg_params mpeg_params;
361 struct video_device *v4l_device;
362 atomic_t v4l_reader_count;
363 struct cx23885_tvnorm encodernorm;
364
365 };
366
367 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
368 {
369 return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
370 }
371
372 #define call_all(dev, o, f, args...) \
373 v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
374
375 extern struct list_head cx23885_devlist;
376
377 #define SRAM_CH01 0 /* Video A */
378 #define SRAM_CH02 1 /* VBI A */
379 #define SRAM_CH03 2 /* Video B */
380 #define SRAM_CH04 3 /* Transport via B */
381 #define SRAM_CH05 4 /* VBI B */
382 #define SRAM_CH06 5 /* Video C */
383 #define SRAM_CH07 6 /* Transport via C */
384 #define SRAM_CH08 7 /* Audio Internal A */
385 #define SRAM_CH09 8 /* Audio Internal B */
386 #define SRAM_CH10 9 /* Audio External */
387 #define SRAM_CH11 10 /* COMB_3D_N */
388 #define SRAM_CH12 11 /* Comb 3D N1 */
389 #define SRAM_CH13 12 /* Comb 3D N2 */
390 #define SRAM_CH14 13 /* MOE Vid */
391 #define SRAM_CH15 14 /* MOE RSLT */
392
393 struct sram_channel {
394 char *name;
395 u32 cmds_start;
396 u32 ctrl_start;
397 u32 cdt;
398 u32 fifo_start;;
399 u32 fifo_size;
400 u32 ptr1_reg;
401 u32 ptr2_reg;
402 u32 cnt1_reg;
403 u32 cnt2_reg;
404 u32 jumponly;
405 };
406
407 /* ----------------------------------------------------------- */
408
409 #define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
410 #define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2))
411
412 #define cx_andor(reg, mask, value) \
413 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
414 ((value) & (mask)), dev->lmmio+((reg)>>2))
415
416 #define cx_set(reg, bit) cx_andor((reg), (bit), (bit))
417 #define cx_clear(reg, bit) cx_andor((reg), (bit), 0)
418
419 /* ----------------------------------------------------------- */
420 /* cx23885-core.c */
421
422 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
423 struct sram_channel *ch,
424 unsigned int bpl, u32 risc);
425
426 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
427 struct sram_channel *ch);
428
429 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
430 u32 reg, u32 mask, u32 value);
431
432 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
433 struct scatterlist *sglist,
434 unsigned int top_offset, unsigned int bottom_offset,
435 unsigned int bpl, unsigned int padding, unsigned int lines);
436
437 void cx23885_cancel_buffers(struct cx23885_tsport *port);
438
439 extern int cx23885_restart_queue(struct cx23885_tsport *port,
440 struct cx23885_dmaqueue *q);
441
442 extern void cx23885_wakeup(struct cx23885_tsport *port,
443 struct cx23885_dmaqueue *q, u32 count);
444
445 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
446 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
447 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
448 int asoutput);
449
450
451 /* ----------------------------------------------------------- */
452 /* cx23885-cards.c */
453 extern struct cx23885_board cx23885_boards[];
454 extern const unsigned int cx23885_bcount;
455
456 extern struct cx23885_subid cx23885_subids[];
457 extern const unsigned int cx23885_idcount;
458
459 extern int cx23885_tuner_callback(void *priv, int component,
460 int command, int arg);
461 extern void cx23885_card_list(struct cx23885_dev *dev);
462 extern int cx23885_ir_init(struct cx23885_dev *dev);
463 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
464 extern void cx23885_card_setup(struct cx23885_dev *dev);
465 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
466
467 extern int cx23885_dvb_register(struct cx23885_tsport *port);
468 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
469
470 extern int cx23885_buf_prepare(struct videobuf_queue *q,
471 struct cx23885_tsport *port,
472 struct cx23885_buffer *buf,
473 enum v4l2_field field);
474 extern void cx23885_buf_queue(struct cx23885_tsport *port,
475 struct cx23885_buffer *buf);
476 extern void cx23885_free_buffer(struct videobuf_queue *q,
477 struct cx23885_buffer *buf);
478
479 /* ----------------------------------------------------------- */
480 /* cx23885-video.c */
481 /* Video */
482 extern int cx23885_video_register(struct cx23885_dev *dev);
483 extern void cx23885_video_unregister(struct cx23885_dev *dev);
484 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
485
486 /* ----------------------------------------------------------- */
487 /* cx23885-vbi.c */
488 extern int cx23885_vbi_fmt(struct file *file, void *priv,
489 struct v4l2_format *f);
490 extern void cx23885_vbi_timeout(unsigned long data);
491 extern struct videobuf_queue_ops cx23885_vbi_qops;
492
493 /* cx23885-i2c.c */
494 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
495 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
496 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
497
498 /* ----------------------------------------------------------- */
499 /* cx23885-417.c */
500 extern int cx23885_417_register(struct cx23885_dev *dev);
501 extern void cx23885_417_unregister(struct cx23885_dev *dev);
502 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
503 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
504 extern void cx23885_mc417_init(struct cx23885_dev *dev);
505 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
506 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
507
508
509 /* ----------------------------------------------------------- */
510 /* tv norms */
511
512 static inline unsigned int norm_maxw(v4l2_std_id norm)
513 {
514 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
515 }
516
517 static inline unsigned int norm_maxh(v4l2_std_id norm)
518 {
519 return (norm & V4L2_STD_625_50) ? 576 : 480;
520 }
521
522 static inline unsigned int norm_swidth(v4l2_std_id norm)
523 {
524 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;
525 }
Linux with added FPC-III support