1 | /* |
2 | ivtv driver internal defines and structures |
3 | Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com> |
4 | Copyright (C) 2004 Chris Kennedy <c@groovy.org> |
5 | Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl> |
6 | |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by |
9 | the Free Software Foundation; either version 2 of the License, or |
10 | (at your option) any later version. |
11 | |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
20 | */ |
21 | |
22 | #ifndef IVTV_DRIVER_H |
23 | #define IVTV_DRIVER_H |
24 | |
25 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
26 | |
27 | /* Internal header for ivtv project: |
28 | * Driver for the cx23415/6 chip. |
29 | * Author: Kevin Thayer (nufan_wfk at yahoo.com) |
30 | * License: GPL |
31 | * |
32 | * ----- |
33 | * MPG600/MPG160 support by T.Adachi <tadachi@tadachi-net.com> |
34 | * and Takeru KOMORIYA<komoriya@paken.org> |
35 | * |
36 | * AVerMedia M179 GPIO info by Chris Pinkham <cpinkham@bc2va.org> |
37 | * using information provided by Jiun-Kuei Jung @ AVerMedia. |
38 | */ |
39 | |
40 | #include <linux/module.h> |
41 | #include <linux/init.h> |
42 | #include <linux/delay.h> |
43 | #include <linux/sched/signal.h> |
44 | #include <linux/fs.h> |
45 | #include <linux/pci.h> |
46 | #include <linux/interrupt.h> |
47 | #include <linux/spinlock.h> |
48 | #include <linux/i2c.h> |
49 | #include <linux/i2c-algo-bit.h> |
50 | #include <linux/list.h> |
51 | #include <linux/unistd.h> |
52 | #include <linux/pagemap.h> |
53 | #include <linux/scatterlist.h> |
54 | #include <linux/kthread.h> |
55 | #include <linux/mutex.h> |
56 | #include <linux/slab.h> |
57 | #include <linux/uaccess.h> |
58 | #include <asm/byteorder.h> |
59 | |
60 | #include <media/v4l2-common.h> |
61 | #include <media/v4l2-ioctl.h> |
62 | #include <media/v4l2-ctrls.h> |
63 | #include <media/v4l2-device.h> |
64 | #include <media/v4l2-fh.h> |
65 | #include <media/tuner.h> |
66 | #include <media/drv-intf/cx2341x.h> |
67 | #include <media/i2c/ir-kbd-i2c.h> |
68 | |
69 | #include <linux/ivtv.h> |
70 | |
71 | /* Memory layout */ |
72 | #define IVTV_ENCODER_OFFSET 0x00000000 |
73 | #define IVTV_ENCODER_SIZE 0x00800000 /* Total size is 0x01000000, but only first half is used */ |
74 | #define IVTV_DECODER_OFFSET 0x01000000 |
75 | #define IVTV_DECODER_SIZE 0x00800000 /* Total size is 0x01000000, but only first half is used */ |
76 | #define IVTV_REG_OFFSET 0x02000000 |
77 | #define IVTV_REG_SIZE 0x00010000 |
78 | |
79 | /* Maximum ivtv driver instances. Some people have a huge number of |
80 | capture cards, so set this to a high value. */ |
81 | #define IVTV_MAX_CARDS 32 |
82 | |
83 | #define IVTV_ENC_STREAM_TYPE_MPG 0 |
84 | #define IVTV_ENC_STREAM_TYPE_YUV 1 |
85 | #define IVTV_ENC_STREAM_TYPE_VBI 2 |
86 | #define IVTV_ENC_STREAM_TYPE_PCM 3 |
87 | #define IVTV_ENC_STREAM_TYPE_RAD 4 |
88 | #define IVTV_DEC_STREAM_TYPE_MPG 5 |
89 | #define IVTV_DEC_STREAM_TYPE_VBI 6 |
90 | #define IVTV_DEC_STREAM_TYPE_VOUT 7 |
91 | #define IVTV_DEC_STREAM_TYPE_YUV 8 |
92 | #define IVTV_MAX_STREAMS 9 |
93 | |
94 | #define IVTV_DMA_SG_OSD_ENT (2883584/PAGE_SIZE) /* sg entities */ |
95 | |
96 | /* DMA Registers */ |
97 | #define IVTV_REG_DMAXFER (0x0000) |
98 | #define IVTV_REG_DMASTATUS (0x0004) |
99 | #define IVTV_REG_DECDMAADDR (0x0008) |
100 | #define IVTV_REG_ENCDMAADDR (0x000c) |
101 | #define IVTV_REG_DMACONTROL (0x0010) |
102 | #define IVTV_REG_IRQSTATUS (0x0040) |
103 | #define IVTV_REG_IRQMASK (0x0048) |
104 | |
105 | /* Setup Registers */ |
106 | #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8) |
107 | #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC) |
108 | #define IVTV_REG_DEC_SDRAM_REFRESH (0x08F8) |
109 | #define IVTV_REG_DEC_SDRAM_PRECHARGE (0x08FC) |
110 | #define IVTV_REG_VDM (0x2800) |
111 | #define IVTV_REG_AO (0x2D00) |
112 | #define IVTV_REG_BYTEFLUSH (0x2D24) |
113 | #define IVTV_REG_SPU (0x9050) |
114 | #define IVTV_REG_HW_BLOCKS (0x9054) |
115 | #define IVTV_REG_VPU (0x9058) |
116 | #define IVTV_REG_APU (0xA064) |
117 | |
118 | /* Other registers */ |
119 | #define IVTV_REG_DEC_LINE_FIELD (0x28C0) |
120 | |
121 | /* debugging */ |
122 | extern int ivtv_debug; |
123 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
124 | extern int ivtv_fw_debug; |
125 | #endif |
126 | |
127 | #define IVTV_DBGFLG_WARN (1 << 0) |
128 | #define IVTV_DBGFLG_INFO (1 << 1) |
129 | #define IVTV_DBGFLG_MB (1 << 2) |
130 | #define IVTV_DBGFLG_IOCTL (1 << 3) |
131 | #define IVTV_DBGFLG_FILE (1 << 4) |
132 | #define IVTV_DBGFLG_DMA (1 << 5) |
133 | #define IVTV_DBGFLG_IRQ (1 << 6) |
134 | #define IVTV_DBGFLG_DEC (1 << 7) |
135 | #define IVTV_DBGFLG_YUV (1 << 8) |
136 | #define IVTV_DBGFLG_I2C (1 << 9) |
137 | /* Flag to turn on high volume debugging */ |
138 | #define IVTV_DBGFLG_HIGHVOL (1 << 10) |
139 | |
140 | #define IVTV_DEBUG(x, type, fmt, args...) \ |
141 | do { \ |
142 | if ((x) & ivtv_debug) \ |
143 | v4l2_info(&itv->v4l2_dev, " " type ": " fmt , ##args); \ |
144 | } while (0) |
145 | #define IVTV_DEBUG_WARN(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_WARN, "warn", fmt , ## args) |
146 | #define IVTV_DEBUG_INFO(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_INFO, "info", fmt , ## args) |
147 | #define IVTV_DEBUG_MB(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_MB, "mb", fmt , ## args) |
148 | #define IVTV_DEBUG_DMA(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_DMA, "dma", fmt , ## args) |
149 | #define IVTV_DEBUG_IOCTL(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_IOCTL, "ioctl", fmt , ## args) |
150 | #define IVTV_DEBUG_FILE(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_FILE, "file", fmt , ## args) |
151 | #define IVTV_DEBUG_I2C(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_I2C, "i2c", fmt , ## args) |
152 | #define IVTV_DEBUG_IRQ(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_IRQ, "irq", fmt , ## args) |
153 | #define IVTV_DEBUG_DEC(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_DEC, "dec", fmt , ## args) |
154 | #define IVTV_DEBUG_YUV(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_YUV, "yuv", fmt , ## args) |
155 | |
156 | #define IVTV_DEBUG_HIGH_VOL(x, type, fmt, args...) \ |
157 | do { \ |
158 | if (((x) & ivtv_debug) && (ivtv_debug & IVTV_DBGFLG_HIGHVOL)) \ |
159 | v4l2_info(&itv->v4l2_dev, " " type ": " fmt , ##args); \ |
160 | } while (0) |
161 | #define IVTV_DEBUG_HI_WARN(fmt, args...) IVTV_DEBUG_HIGH_VOL(IVTV_DBGFLG_WARN, "warn", fmt , ## args) |
162 | #define IVTV_DEBUG_HI_INFO(fmt, args...) IVTV_DEBUG_HIGH_VOL(IVTV_DBGFLG_INFO, "info", fmt , ## args) |
163 | #define IVTV_DEBUG_HI_MB(fmt, args...) IVTV_DEBUG_HIGH_VOL(IVTV_DBGFLG_MB, "mb", fmt , ## args) |
164 | #define IVTV_DEBUG_HI_DMA(fmt, args...) IVTV_DEBUG_HIGH_VOL(IVTV_DBGFLG_DMA, "dma", fmt , ## args) |
165 | #define IVTV_DEBUG_HI_IOCTL(fmt, args...) IVTV_DEBUG_HIGH_VOL(IVTV_DBGFLG_IOCTL, "ioctl", fmt , ## args) |
166 | #define IVTV_DEBUG_HI_FILE(fmt, args...) IVTV_DEBUG_HIGH_VOL(IVTV_DBGFLG_FILE, "file", fmt , ## args) |
167 | #define IVTV_DEBUG_HI_I2C(fmt, args...) IVTV_DEBUG_HIGH_VOL(IVTV_DBGFLG_I2C, "i2c", fmt , ## args) |
168 | #define IVTV_DEBUG_HI_IRQ(fmt, args...) IVTV_DEBUG_HIGH_VOL(IVTV_DBGFLG_IRQ, "irq", fmt , ## args) |
169 | #define IVTV_DEBUG_HI_DEC(fmt, args...) IVTV_DEBUG_HIGH_VOL(IVTV_DBGFLG_DEC, "dec", fmt , ## args) |
170 | #define IVTV_DEBUG_HI_YUV(fmt, args...) IVTV_DEBUG_HIGH_VOL(IVTV_DBGFLG_YUV, "yuv", fmt , ## args) |
171 | |
172 | /* Standard kernel messages */ |
173 | #define IVTV_ERR(fmt, args...) v4l2_err(&itv->v4l2_dev, fmt , ## args) |
174 | #define IVTV_WARN(fmt, args...) v4l2_warn(&itv->v4l2_dev, fmt , ## args) |
175 | #define IVTV_INFO(fmt, args...) v4l2_info(&itv->v4l2_dev, fmt , ## args) |
176 | |
177 | /* output modes (cx23415 only) */ |
178 | #define OUT_NONE 0 |
179 | #define OUT_MPG 1 |
180 | #define OUT_YUV 2 |
181 | #define OUT_UDMA_YUV 3 |
182 | #define OUT_PASSTHROUGH 4 |
183 | |
184 | #define IVTV_MAX_PGM_INDEX (400) |
185 | |
186 | /* Default I2C SCL period in microseconds */ |
187 | #define IVTV_DEFAULT_I2C_CLOCK_PERIOD 20 |
188 | |
189 | struct ivtv_options { |
190 | int kilobytes[IVTV_MAX_STREAMS]; /* size in kilobytes of each stream */ |
191 | int cardtype; /* force card type on load */ |
192 | int tuner; /* set tuner on load */ |
193 | int radio; /* enable/disable radio */ |
194 | int newi2c; /* new I2C algorithm */ |
195 | int i2c_clock_period; /* period of SCL for I2C bus */ |
196 | }; |
197 | |
198 | /* ivtv-specific mailbox template */ |
199 | struct ivtv_mailbox { |
200 | u32 flags; |
201 | u32 cmd; |
202 | u32 retval; |
203 | u32 timeout; |
204 | u32 data[CX2341X_MBOX_MAX_DATA]; |
205 | }; |
206 | |
207 | struct ivtv_api_cache { |
208 | unsigned long last_jiffies; /* when last command was issued */ |
209 | u32 data[CX2341X_MBOX_MAX_DATA]; /* last sent api data */ |
210 | }; |
211 | |
212 | struct ivtv_mailbox_data { |
213 | volatile struct ivtv_mailbox __iomem *mbox; |
214 | /* Bits 0-2 are for the encoder mailboxes, 0-1 are for the decoder mailboxes. |
215 | If the bit is set, then the corresponding mailbox is in use by the driver. */ |
216 | unsigned long busy; |
217 | u8 max_mbox; |
218 | }; |
219 | |
220 | /* per-buffer bit flags */ |
221 | #define IVTV_F_B_NEED_BUF_SWAP (1 << 0) /* this buffer should be byte swapped */ |
222 | |
223 | /* per-stream, s_flags */ |
224 | #define IVTV_F_S_DMA_PENDING 0 /* this stream has pending DMA */ |
225 | #define IVTV_F_S_DMA_HAS_VBI 1 /* the current DMA request also requests VBI data */ |
226 | #define IVTV_F_S_NEEDS_DATA 2 /* this decoding stream needs more data */ |
227 | |
228 | #define IVTV_F_S_CLAIMED 3 /* this stream is claimed */ |
229 | #define IVTV_F_S_STREAMING 4 /* the fw is decoding/encoding this stream */ |
230 | #define IVTV_F_S_INTERNAL_USE 5 /* this stream is used internally (sliced VBI processing) */ |
231 | #define IVTV_F_S_PASSTHROUGH 6 /* this stream is in passthrough mode */ |
232 | #define IVTV_F_S_STREAMOFF 7 /* signal end of stream EOS */ |
233 | #define IVTV_F_S_APPL_IO 8 /* this stream is used read/written by an application */ |
234 | |
235 | #define IVTV_F_S_PIO_PENDING 9 /* this stream has pending PIO */ |
236 | #define IVTV_F_S_PIO_HAS_VBI 1 /* the current PIO request also requests VBI data */ |
237 | |
238 | /* per-ivtv, i_flags */ |
239 | #define IVTV_F_I_DMA 0 /* DMA in progress */ |
240 | #define IVTV_F_I_UDMA 1 /* UDMA in progress */ |
241 | #define IVTV_F_I_UDMA_PENDING 2 /* UDMA pending */ |
242 | #define IVTV_F_I_SPEED_CHANGE 3 /* a speed change is in progress */ |
243 | #define IVTV_F_I_EOS 4 /* end of encoder stream reached */ |
244 | #define IVTV_F_I_RADIO_USER 5 /* the radio tuner is selected */ |
245 | #define IVTV_F_I_DIG_RST 6 /* reset digitizer */ |
246 | #define IVTV_F_I_DEC_YUV 7 /* YUV instead of MPG is being decoded */ |
247 | #define IVTV_F_I_UPDATE_CC 9 /* CC should be updated */ |
248 | #define IVTV_F_I_UPDATE_WSS 10 /* WSS should be updated */ |
249 | #define IVTV_F_I_UPDATE_VPS 11 /* VPS should be updated */ |
250 | #define IVTV_F_I_DECODING_YUV 12 /* this stream is YUV frame decoding */ |
251 | #define IVTV_F_I_ENC_PAUSED 13 /* the encoder is paused */ |
252 | #define IVTV_F_I_VALID_DEC_TIMINGS 14 /* last_dec_timing is valid */ |
253 | #define IVTV_F_I_HAVE_WORK 15 /* used in the interrupt handler: there is work to be done */ |
254 | #define IVTV_F_I_WORK_HANDLER_VBI 16 /* there is work to be done for VBI */ |
255 | #define IVTV_F_I_WORK_HANDLER_YUV 17 /* there is work to be done for YUV */ |
256 | #define IVTV_F_I_WORK_HANDLER_PIO 18 /* there is work to be done for PIO */ |
257 | #define IVTV_F_I_PIO 19 /* PIO in progress */ |
258 | #define IVTV_F_I_DEC_PAUSED 20 /* the decoder is paused */ |
259 | #define IVTV_F_I_INITED 21 /* set after first open */ |
260 | #define IVTV_F_I_FAILED 22 /* set if first open failed */ |
261 | #define IVTV_F_I_WORK_HANDLER_PCM 23 /* there is work to be done for PCM */ |
262 | |
263 | /* Event notifications */ |
264 | #define IVTV_F_I_EV_DEC_STOPPED 28 /* decoder stopped event */ |
265 | #define IVTV_F_I_EV_VSYNC 29 /* VSYNC event */ |
266 | #define IVTV_F_I_EV_VSYNC_FIELD 30 /* VSYNC event field (0 = first, 1 = second field) */ |
267 | #define IVTV_F_I_EV_VSYNC_ENABLED 31 /* VSYNC event enabled */ |
268 | |
269 | /* Scatter-Gather array element, used in DMA transfers */ |
270 | struct ivtv_sg_element { |
271 | __le32 src; |
272 | __le32 dst; |
273 | __le32 size; |
274 | }; |
275 | |
276 | struct ivtv_sg_host_element { |
277 | u32 src; |
278 | u32 dst; |
279 | u32 size; |
280 | }; |
281 | |
282 | struct ivtv_user_dma { |
283 | struct mutex lock; |
284 | int page_count; |
285 | struct page *map[IVTV_DMA_SG_OSD_ENT]; |
286 | /* Needed when dealing with highmem userspace buffers */ |
287 | struct page *bouncemap[IVTV_DMA_SG_OSD_ENT]; |
288 | |
289 | /* Base Dev SG Array for cx23415/6 */ |
290 | struct ivtv_sg_element SGarray[IVTV_DMA_SG_OSD_ENT]; |
291 | dma_addr_t SG_handle; |
292 | int SG_length; |
293 | |
294 | /* SG List of Buffers */ |
295 | struct scatterlist SGlist[IVTV_DMA_SG_OSD_ENT]; |
296 | }; |
297 | |
298 | struct ivtv_dma_page_info { |
299 | unsigned long uaddr; |
300 | unsigned long first; |
301 | unsigned long last; |
302 | unsigned int offset; |
303 | unsigned int tail; |
304 | int page_count; |
305 | }; |
306 | |
307 | struct ivtv_buffer { |
308 | struct list_head list; |
309 | dma_addr_t dma_handle; |
310 | unsigned short b_flags; |
311 | unsigned short dma_xfer_cnt; |
312 | char *buf; |
313 | u32 bytesused; |
314 | u32 readpos; |
315 | }; |
316 | |
317 | struct ivtv_queue { |
318 | struct list_head list; /* the list of buffers in this queue */ |
319 | u32 buffers; /* number of buffers in this queue */ |
320 | u32 length; /* total number of bytes of available buffer space */ |
321 | u32 bytesused; /* total number of bytes used in this queue */ |
322 | }; |
323 | |
324 | struct ivtv; /* forward reference */ |
325 | |
326 | struct ivtv_stream { |
327 | /* These first four fields are always set, even if the stream |
328 | is not actually created. */ |
329 | struct video_device vdev; /* vdev.v4l2_dev is NULL if there is no device */ |
330 | struct ivtv *itv; /* for ease of use */ |
331 | const char *name; /* name of the stream */ |
332 | int type; /* stream type */ |
333 | |
334 | struct v4l2_fh *fh; /* pointer to the streaming filehandle */ |
335 | spinlock_t qlock; /* locks access to the queues */ |
336 | unsigned long s_flags; /* status flags, see above */ |
337 | int dma; /* can be PCI_DMA_TODEVICE, PCI_DMA_FROMDEVICE or PCI_DMA_NONE */ |
338 | u32 pending_offset; |
339 | u32 pending_backup; |
340 | u64 pending_pts; |
341 | |
342 | u32 dma_offset; |
343 | u32 dma_backup; |
344 | u64 dma_pts; |
345 | |
346 | int subtype; |
347 | wait_queue_head_t waitq; |
348 | u32 dma_last_offset; |
349 | |
350 | /* Buffer Stats */ |
351 | u32 buffers; |
352 | u32 buf_size; |
353 | u32 buffers_stolen; |
354 | |
355 | /* Buffer Queues */ |
356 | struct ivtv_queue q_free; /* free buffers */ |
357 | struct ivtv_queue q_full; /* full buffers */ |
358 | struct ivtv_queue q_io; /* waiting for I/O */ |
359 | struct ivtv_queue q_dma; /* waiting for DMA */ |
360 | struct ivtv_queue q_predma; /* waiting for DMA */ |
361 | |
362 | /* DMA xfer counter, buffers belonging to the same DMA |
363 | xfer will have the same dma_xfer_cnt. */ |
364 | u16 dma_xfer_cnt; |
365 | |
366 | /* Base Dev SG Array for cx23415/6 */ |
367 | struct ivtv_sg_host_element *sg_pending; |
368 | struct ivtv_sg_host_element *sg_processing; |
369 | struct ivtv_sg_element *sg_dma; |
370 | dma_addr_t sg_handle; |
371 | int sg_pending_size; |
372 | int sg_processing_size; |
373 | int sg_processed; |
374 | |
375 | /* SG List of Buffers */ |
376 | struct scatterlist *SGlist; |
377 | }; |
378 | |
379 | struct ivtv_open_id { |
380 | struct v4l2_fh fh; |
381 | int type; /* stream type */ |
382 | int yuv_frames; /* 1: started OUT_UDMA_YUV output mode */ |
383 | struct ivtv *itv; |
384 | }; |
385 | |
386 | static inline struct ivtv_open_id *fh2id(struct v4l2_fh *fh) |
387 | { |
388 | return container_of(fh, struct ivtv_open_id, fh); |
389 | } |
390 | |
391 | struct yuv_frame_info |
392 | { |
393 | u32 update; |
394 | s32 src_x; |
395 | s32 src_y; |
396 | u32 src_w; |
397 | u32 src_h; |
398 | s32 dst_x; |
399 | s32 dst_y; |
400 | u32 dst_w; |
401 | u32 dst_h; |
402 | s32 pan_x; |
403 | s32 pan_y; |
404 | u32 vis_w; |
405 | u32 vis_h; |
406 | u32 interlaced_y; |
407 | u32 interlaced_uv; |
408 | s32 tru_x; |
409 | u32 tru_w; |
410 | u32 tru_h; |
411 | u32 offset_y; |
412 | s32 lace_mode; |
413 | u32 sync_field; |
414 | u32 delay; |
415 | u32 interlaced; |
416 | }; |
417 | |
418 | #define IVTV_YUV_MODE_INTERLACED 0x00 |
419 | #define IVTV_YUV_MODE_PROGRESSIVE 0x01 |
420 | #define IVTV_YUV_MODE_AUTO 0x02 |
421 | #define IVTV_YUV_MODE_MASK 0x03 |
422 | |
423 | #define IVTV_YUV_SYNC_EVEN 0x00 |
424 | #define IVTV_YUV_SYNC_ODD 0x04 |
425 | #define IVTV_YUV_SYNC_MASK 0x04 |
426 | |
427 | #define IVTV_YUV_BUFFERS 8 |
428 | |
429 | struct yuv_playback_info |
430 | { |
431 | u32 reg_2834; |
432 | u32 reg_2838; |
433 | u32 reg_283c; |
434 | u32 reg_2840; |
435 | u32 reg_2844; |
436 | u32 reg_2848; |
437 | u32 reg_2854; |
438 | u32 reg_285c; |
439 | u32 reg_2864; |
440 | |
441 | u32 reg_2870; |
442 | u32 reg_2874; |
443 | u32 reg_2890; |
444 | u32 reg_2898; |
445 | u32 reg_289c; |
446 | |
447 | u32 reg_2918; |
448 | u32 reg_291c; |
449 | u32 reg_2920; |
450 | u32 reg_2924; |
451 | u32 reg_2928; |
452 | u32 reg_292c; |
453 | u32 reg_2930; |
454 | |
455 | u32 reg_2934; |
456 | |
457 | u32 reg_2938; |
458 | u32 reg_293c; |
459 | u32 reg_2940; |
460 | u32 reg_2944; |
461 | u32 reg_2948; |
462 | u32 reg_294c; |
463 | u32 reg_2950; |
464 | u32 reg_2954; |
465 | u32 reg_2958; |
466 | u32 reg_295c; |
467 | u32 reg_2960; |
468 | u32 reg_2964; |
469 | u32 reg_2968; |
470 | u32 reg_296c; |
471 | |
472 | u32 reg_2970; |
473 | |
474 | int v_filter_1; |
475 | int v_filter_2; |
476 | int h_filter; |
477 | |
478 | u8 track_osd; /* Should yuv output track the OSD size & position */ |
479 | |
480 | u32 osd_x_offset; |
481 | u32 osd_y_offset; |
482 | |
483 | u32 osd_x_pan; |
484 | u32 osd_y_pan; |
485 | |
486 | u32 osd_vis_w; |
487 | u32 osd_vis_h; |
488 | |
489 | u32 osd_full_w; |
490 | u32 osd_full_h; |
491 | |
492 | int decode_height; |
493 | |
494 | int lace_mode; |
495 | int lace_threshold; |
496 | int lace_sync_field; |
497 | |
498 | atomic_t next_dma_frame; |
499 | atomic_t next_fill_frame; |
500 | |
501 | u32 yuv_forced_update; |
502 | int update_frame; |
503 | |
504 | u8 fields_lapsed; /* Counter used when delaying a frame */ |
505 | |
506 | struct yuv_frame_info new_frame_info[IVTV_YUV_BUFFERS]; |
507 | struct yuv_frame_info old_frame_info; |
508 | struct yuv_frame_info old_frame_info_args; |
509 | |
510 | void *blanking_ptr; |
511 | dma_addr_t blanking_dmaptr; |
512 | |
513 | int stream_size; |
514 | |
515 | u8 draw_frame; /* PVR350 buffer to draw into */ |
516 | u8 max_frames_buffered; /* Maximum number of frames to buffer */ |
517 | |
518 | struct v4l2_rect main_rect; |
519 | u32 v4l2_src_w; |
520 | u32 v4l2_src_h; |
521 | |
522 | u8 running; /* Have any frames been displayed */ |
523 | }; |
524 | |
525 | #define IVTV_VBI_FRAMES 32 |
526 | |
527 | /* VBI data */ |
528 | struct vbi_cc { |
529 | u8 odd[2]; /* two-byte payload of odd field */ |
530 | u8 even[2]; /* two-byte payload of even field */; |
531 | }; |
532 | |
533 | struct vbi_vps { |
534 | u8 data[5]; /* five-byte VPS payload */ |
535 | }; |
536 | |
537 | struct vbi_info { |
538 | /* VBI general data, does not change during streaming */ |
539 | |
540 | u32 raw_decoder_line_size; /* raw VBI line size from digitizer */ |
541 | u8 raw_decoder_sav_odd_field; /* raw VBI Start Active Video digitizer code of odd field */ |
542 | u8 raw_decoder_sav_even_field; /* raw VBI Start Active Video digitizer code of even field */ |
543 | u32 sliced_decoder_line_size; /* sliced VBI line size from digitizer */ |
544 | u8 sliced_decoder_sav_odd_field; /* sliced VBI Start Active Video digitizer code of odd field */ |
545 | u8 sliced_decoder_sav_even_field; /* sliced VBI Start Active Video digitizer code of even field */ |
546 | |
547 | u32 start[2]; /* start of first VBI line in the odd/even fields */ |
548 | u32 count; /* number of VBI lines per field */ |
549 | u32 raw_size; /* size of raw VBI line from the digitizer */ |
550 | u32 sliced_size; /* size of sliced VBI line from the digitizer */ |
551 | |
552 | u32 dec_start; /* start in decoder memory of VBI re-insertion buffers */ |
553 | u32 enc_start; /* start in encoder memory of VBI capture buffers */ |
554 | u32 enc_size; /* size of VBI capture area */ |
555 | int fpi; /* number of VBI frames per interrupt */ |
556 | |
557 | struct v4l2_format in; /* current VBI capture format */ |
558 | struct v4l2_sliced_vbi_format *sliced_in; /* convenience pointer to sliced struct in vbi.in union */ |
559 | int insert_mpeg; /* if non-zero, then embed VBI data in MPEG stream */ |
560 | |
561 | /* Raw VBI compatibility hack */ |
562 | |
563 | u32 frame; /* frame counter hack needed for backwards compatibility |
564 | of old VBI software */ |
565 | |
566 | /* Sliced VBI output data */ |
567 | |
568 | struct vbi_cc cc_payload[256]; /* sliced VBI CC payload array: it is an array to |
569 | prevent dropping CC data if they couldn't be |
570 | processed fast enough */ |
571 | int cc_payload_idx; /* index in cc_payload */ |
572 | u8 cc_missing_cnt; /* counts number of frames without CC for passthrough mode */ |
573 | int wss_payload; /* sliced VBI WSS payload */ |
574 | u8 wss_missing_cnt; /* counts number of frames without WSS for passthrough mode */ |
575 | struct vbi_vps vps_payload; /* sliced VBI VPS payload */ |
576 | |
577 | /* Sliced VBI capture data */ |
578 | |
579 | struct v4l2_sliced_vbi_data sliced_data[36]; /* sliced VBI storage for VBI encoder stream */ |
580 | struct v4l2_sliced_vbi_data sliced_dec_data[36];/* sliced VBI storage for VBI decoder stream */ |
581 | |
582 | /* VBI Embedding data */ |
583 | |
584 | /* Buffer for VBI data inserted into MPEG stream. |
585 | The first byte is a dummy byte that's never used. |
586 | The next 16 bytes contain the MPEG header for the VBI data, |
587 | the remainder is the actual VBI data. |
588 | The max size accepted by the MPEG VBI reinsertion turns out |
589 | to be 1552 bytes, which happens to be 4 + (1 + 42) * (2 * 18) bytes, |
590 | where 4 is a four byte header, 42 is the max sliced VBI payload, 1 is |
591 | a single line header byte and 2 * 18 is the number of VBI lines per frame. |
592 | |
593 | However, it seems that the data must be 1K aligned, so we have to |
594 | pad the data until the 1 or 2 K boundary. |
595 | |
596 | This pointer array will allocate 2049 bytes to store each VBI frame. */ |
597 | u8 *sliced_mpeg_data[IVTV_VBI_FRAMES]; |
598 | u32 sliced_mpeg_size[IVTV_VBI_FRAMES]; |
599 | struct ivtv_buffer sliced_mpeg_buf; /* temporary buffer holding data from sliced_mpeg_data */ |
600 | u32 inserted_frame; /* index in sliced_mpeg_size of next sliced data |
601 | to be inserted in the MPEG stream */ |
602 | }; |
603 | |
604 | /* forward declaration of struct defined in ivtv-cards.h */ |
605 | struct ivtv_card; |
606 | |
607 | /* Struct to hold info about ivtv cards */ |
608 | struct ivtv { |
609 | /* General fixed card data */ |
610 | struct pci_dev *pdev; /* PCI device */ |
611 | const struct ivtv_card *card; /* card information */ |
612 | const char *card_name; /* full name of the card */ |
613 | const struct ivtv_card_tuner_i2c *card_i2c; /* i2c addresses to probe for tuner */ |
614 | u8 has_cx23415; /* 1 if it is a cx23415 based card, 0 for cx23416 */ |
615 | u8 pvr150_workaround; /* 1 if the cx25840 needs to workaround a PVR150 bug */ |
616 | u8 nof_inputs; /* number of video inputs */ |
617 | u8 nof_audio_inputs; /* number of audio inputs */ |
618 | u32 v4l2_cap; /* V4L2 capabilities of card */ |
619 | u32 hw_flags; /* hardware description of the board */ |
620 | v4l2_std_id tuner_std; /* the norm of the card's tuner (fixed) */ |
621 | struct v4l2_subdev *sd_video; /* controlling video decoder subdev */ |
622 | bool sd_video_is_streaming; /* is video already streaming? */ |
623 | struct v4l2_subdev *sd_audio; /* controlling audio subdev */ |
624 | struct v4l2_subdev *sd_muxer; /* controlling audio muxer subdev */ |
625 | resource_size_t base_addr; /* PCI resource base address */ |
626 | volatile void __iomem *enc_mem; /* pointer to mapped encoder memory */ |
627 | volatile void __iomem *dec_mem; /* pointer to mapped decoder memory */ |
628 | volatile void __iomem *reg_mem; /* pointer to mapped registers */ |
629 | struct ivtv_options options; /* user options */ |
630 | |
631 | struct v4l2_device v4l2_dev; |
632 | struct cx2341x_handler cxhdl; |
633 | struct { |
634 | /* PTS/Frame count control cluster */ |
635 | struct v4l2_ctrl *ctrl_pts; |
636 | struct v4l2_ctrl *ctrl_frame; |
637 | }; |
638 | struct { |
639 | /* Audio Playback control cluster */ |
640 | struct v4l2_ctrl *ctrl_audio_playback; |
641 | struct v4l2_ctrl *ctrl_audio_multilingual_playback; |
642 | }; |
643 | struct v4l2_ctrl_handler hdl_gpio; |
644 | struct v4l2_subdev sd_gpio; /* GPIO sub-device */ |
645 | u16 instance; |
646 | |
647 | /* High-level state info */ |
648 | unsigned long i_flags; /* global ivtv flags */ |
649 | u8 is_50hz; /* 1 if the current capture standard is 50 Hz */ |
650 | u8 is_60hz /* 1 if the current capture standard is 60 Hz */; |
651 | u8 is_out_50hz /* 1 if the current TV output standard is 50 Hz */; |
652 | u8 is_out_60hz /* 1 if the current TV output standard is 60 Hz */; |
653 | int output_mode; /* decoder output mode: NONE, MPG, YUV, UDMA YUV, passthrough */ |
654 | u32 audio_input; /* current audio input */ |
655 | u32 active_input; /* current video input */ |
656 | u32 active_output; /* current video output */ |
657 | v4l2_std_id std; /* current capture TV standard */ |
658 | v4l2_std_id std_out; /* current TV output standard */ |
659 | u8 audio_stereo_mode; /* decoder setting how to handle stereo MPEG audio */ |
660 | u8 audio_bilingual_mode; /* decoder setting how to handle bilingual MPEG audio */ |
661 | |
662 | /* Locking */ |
663 | spinlock_t lock; /* lock access to this struct */ |
664 | struct mutex serialize_lock; /* mutex used to serialize open/close/start/stop/ioctl operations */ |
665 | |
666 | /* Streams */ |
667 | int stream_buf_size[IVTV_MAX_STREAMS]; /* stream buffer size */ |
668 | struct ivtv_stream streams[IVTV_MAX_STREAMS]; /* stream data */ |
669 | atomic_t capturing; /* count number of active capture streams */ |
670 | atomic_t decoding; /* count number of active decoding streams */ |
671 | |
672 | /* ALSA interface for PCM capture stream */ |
673 | struct snd_ivtv_card *alsa; |
674 | void (*pcm_announce_callback)(struct snd_ivtv_card *card, u8 *pcm_data, |
675 | size_t num_bytes); |
676 | |
677 | /* Used for ivtv-alsa module loading */ |
678 | struct work_struct request_module_wk; |
679 | |
680 | /* Interrupts & DMA */ |
681 | u32 irqmask; /* active interrupts */ |
682 | u32 irq_rr_idx; /* round-robin stream index */ |
683 | struct kthread_worker irq_worker; /* kthread worker for PIO/YUV/VBI actions */ |
684 | struct task_struct *irq_worker_task; /* task for irq_worker */ |
685 | struct kthread_work irq_work; /* kthread work entry */ |
686 | spinlock_t dma_reg_lock; /* lock access to DMA engine registers */ |
687 | int cur_dma_stream; /* index of current stream doing DMA (-1 if none) */ |
688 | int cur_pio_stream; /* index of current stream doing PIO (-1 if none) */ |
689 | u32 dma_data_req_offset; /* store offset in decoder memory of current DMA request */ |
690 | u32 dma_data_req_size; /* store size of current DMA request */ |
691 | int dma_retries; /* current DMA retry attempt */ |
692 | struct ivtv_user_dma udma; /* user based DMA for OSD */ |
693 | struct timer_list dma_timer; /* timer used to catch unfinished DMAs */ |
694 | u32 last_vsync_field; /* last seen vsync field */ |
695 | wait_queue_head_t dma_waitq; /* wake up when the current DMA is finished */ |
696 | wait_queue_head_t eos_waitq; /* wake up when EOS arrives */ |
697 | wait_queue_head_t event_waitq; /* wake up when the next decoder event arrives */ |
698 | wait_queue_head_t vsync_waitq; /* wake up when the next decoder vsync arrives */ |
699 | |
700 | |
701 | /* Mailbox */ |
702 | struct ivtv_mailbox_data enc_mbox; /* encoder mailboxes */ |
703 | struct ivtv_mailbox_data dec_mbox; /* decoder mailboxes */ |
704 | struct ivtv_api_cache api_cache[256]; /* cached API commands */ |
705 | |
706 | |
707 | /* I2C */ |
708 | struct i2c_adapter i2c_adap; |
709 | struct i2c_algo_bit_data i2c_algo; |
710 | struct i2c_client i2c_client; |
711 | int i2c_state; /* i2c bit state */ |
712 | struct mutex i2c_bus_lock; /* lock i2c bus */ |
713 | |
714 | struct IR_i2c_init_data ir_i2c_init_data; |
715 | |
716 | /* Program Index information */ |
717 | u32 pgm_info_offset; /* start of pgm info in encoder memory */ |
718 | u32 pgm_info_num; /* number of elements in the pgm cyclic buffer in encoder memory */ |
719 | u32 pgm_info_write_idx; /* last index written by the card that was transferred to pgm_info[] */ |
720 | u32 pgm_info_read_idx; /* last index in pgm_info read by the application */ |
721 | struct v4l2_enc_idx_entry pgm_info[IVTV_MAX_PGM_INDEX]; /* filled from the pgm cyclic buffer on the card */ |
722 | |
723 | |
724 | /* Miscellaneous */ |
725 | u32 open_id; /* incremented each time an open occurs, is >= 1 */ |
726 | int ; /* 1 if ivtv_copy_buf_to_user() is scanning for a pack header (0xba) */ |
727 | int speed; /* current playback speed setting */ |
728 | u8 speed_mute_audio; /* 1 if audio should be muted when fast forward */ |
729 | u64 mpg_data_received; /* number of bytes received from the MPEG stream */ |
730 | u64 vbi_data_inserted; /* number of VBI bytes inserted into the MPEG stream */ |
731 | u32 last_dec_timing[3]; /* cache last retrieved pts/scr/frame values */ |
732 | unsigned long dualwatch_jiffies;/* jiffies value of the previous dualwatch check */ |
733 | u32 dualwatch_stereo_mode; /* current detected dualwatch stereo mode */ |
734 | |
735 | |
736 | /* VBI state info */ |
737 | struct vbi_info vbi; /* VBI-specific data */ |
738 | |
739 | |
740 | /* YUV playback */ |
741 | struct yuv_playback_info yuv_info; /* YUV playback data */ |
742 | |
743 | |
744 | /* OSD support */ |
745 | unsigned long osd_video_pbase; |
746 | int osd_global_alpha_state; /* 1 = global alpha is on */ |
747 | int osd_local_alpha_state; /* 1 = local alpha is on */ |
748 | int osd_chroma_key_state; /* 1 = chroma-keying is on */ |
749 | u8 osd_global_alpha; /* current global alpha */ |
750 | u32 osd_chroma_key; /* current chroma key */ |
751 | struct v4l2_rect osd_rect; /* current OSD position and size */ |
752 | struct v4l2_rect main_rect; /* current Main window position and size */ |
753 | struct osd_info *osd_info; /* ivtvfb private OSD info */ |
754 | void (*ivtvfb_restore)(struct ivtv *itv); /* Used for a warm start */ |
755 | }; |
756 | |
757 | static inline struct ivtv *to_ivtv(struct v4l2_device *v4l2_dev) |
758 | { |
759 | return container_of(v4l2_dev, struct ivtv, v4l2_dev); |
760 | } |
761 | |
762 | /* ivtv extensions to be loaded */ |
763 | extern int (*ivtv_ext_init)(struct ivtv *); |
764 | |
765 | /* Globals */ |
766 | extern int ivtv_first_minor; |
767 | |
768 | /*==============Prototypes==================*/ |
769 | |
770 | /* Hardware/IRQ */ |
771 | void ivtv_set_irq_mask(struct ivtv *itv, u32 mask); |
772 | void ivtv_clear_irq_mask(struct ivtv *itv, u32 mask); |
773 | |
774 | /* try to set output mode, return current mode. */ |
775 | int ivtv_set_output_mode(struct ivtv *itv, int mode); |
776 | |
777 | /* return current output stream based on current mode */ |
778 | struct ivtv_stream *ivtv_get_output_stream(struct ivtv *itv); |
779 | |
780 | /* Return non-zero if a signal is pending */ |
781 | int ivtv_msleep_timeout(unsigned int msecs, int intr); |
782 | |
783 | /* Wait on queue, returns -EINTR if interrupted */ |
784 | int ivtv_waitq(wait_queue_head_t *waitq); |
785 | |
786 | /* Read Hauppauge eeprom */ |
787 | struct tveeprom; /* forward reference */ |
788 | void ivtv_read_eeprom(struct ivtv *itv, struct tveeprom *tv); |
789 | |
790 | /* First-open initialization: load firmware, init cx25840, etc. */ |
791 | int ivtv_init_on_first_open(struct ivtv *itv); |
792 | |
793 | /* Test if the current VBI mode is raw (1) or sliced (0) */ |
794 | static inline int ivtv_raw_vbi(const struct ivtv *itv) |
795 | { |
796 | return itv->vbi.in.type == V4L2_BUF_TYPE_VBI_CAPTURE; |
797 | } |
798 | |
799 | /* This is a PCI post thing, where if the pci register is not read, then |
800 | the write doesn't always take effect right away. By reading back the |
801 | register any pending PCI writes will be performed (in order), and so |
802 | you can be sure that the writes are guaranteed to be done. |
803 | |
804 | Rarely needed, only in some timing sensitive cases. |
805 | Apparently if this is not done some motherboards seem |
806 | to kill the firmware and get into the broken state until computer is |
807 | rebooted. */ |
808 | #define write_sync(val, reg) \ |
809 | do { writel(val, reg); readl(reg); } while (0) |
810 | |
811 | #define read_reg(reg) readl(itv->reg_mem + (reg)) |
812 | #define write_reg(val, reg) writel(val, itv->reg_mem + (reg)) |
813 | #define write_reg_sync(val, reg) \ |
814 | do { write_reg(val, reg); read_reg(reg); } while (0) |
815 | |
816 | #define read_enc(addr) readl(itv->enc_mem + (u32)(addr)) |
817 | #define write_enc(val, addr) writel(val, itv->enc_mem + (u32)(addr)) |
818 | #define write_enc_sync(val, addr) \ |
819 | do { write_enc(val, addr); read_enc(addr); } while (0) |
820 | |
821 | #define read_dec(addr) readl(itv->dec_mem + (u32)(addr)) |
822 | #define write_dec(val, addr) writel(val, itv->dec_mem + (u32)(addr)) |
823 | #define write_dec_sync(val, addr) \ |
824 | do { write_dec(val, addr); read_dec(addr); } while (0) |
825 | |
826 | /* Call the specified callback for all subdevs matching hw (if 0, then |
827 | match them all). Ignore any errors. */ |
828 | #define ivtv_call_hw(itv, hw, o, f, args...) \ |
829 | v4l2_device_mask_call_all(&(itv)->v4l2_dev, hw, o, f, ##args) |
830 | |
831 | #define ivtv_call_all(itv, o, f, args...) ivtv_call_hw(itv, 0, o, f , ##args) |
832 | |
833 | /* Call the specified callback for all subdevs matching hw (if 0, then |
834 | match them all). If the callback returns an error other than 0 or |
835 | -ENOIOCTLCMD, then return with that error code. */ |
836 | #define ivtv_call_hw_err(itv, hw, o, f, args...) \ |
837 | v4l2_device_mask_call_until_err(&(itv)->v4l2_dev, hw, o, f, ##args) |
838 | |
839 | #define ivtv_call_all_err(itv, o, f, args...) ivtv_call_hw_err(itv, 0, o, f , ##args) |
840 | |
841 | #endif |
842 | |