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>
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.
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.
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
25 /* Internal header for ivtv project:
26 * Driver for the cx23415/6 chip.
27 * Author: Kevin Thayer (nufan_wfk at yahoo.com)
29 * http://www.ivtvdriver.org
32 * MPG600/MPG160 support by T.Adachi <tadachi@tadachi-net.com>
33 * and Takeru KOMORIYA<komoriya@paken.org>
35 * AVerMedia M179 GPIO info by Chris Pinkham <cpinkham@bc2va.org>
36 * using information provided by Jiun-Kuei Jung @ AVerMedia.
39 #include <linux/version.h>
40 #include <linux/module.h>
41 #include <linux/moduleparam.h>
42 #include <linux/init.h>
43 #include <linux/delay.h>
44 #include <linux/sched.h>
46 #include <linux/pci.h>
47 #include <linux/interrupt.h>
48 #include <linux/spinlock.h>
49 #include <linux/i2c.h>
50 #include <linux/i2c-algo-bit.h>
51 #include <linux/list.h>
52 #include <linux/unistd.h>
53 #include <linux/byteorder/swab.h>
54 #include <linux/pagemap.h>
55 #include <linux/workqueue.h>
56 #include <linux/mutex.h>
57 #include <asm/uaccess.h>
58 #include <asm/system.h>
60 #include <linux/dvb/video.h>
61 #include <linux/dvb/audio.h>
62 #include <media/v4l2-common.h>
63 #include <media/tuner.h>
64 #include <media/cx2341x.h>
66 /* #define HAVE_XC3028 1 */
68 #include <media/ivtv.h>
70 #define IVTV_ENCODER_OFFSET 0x00000000
71 #define IVTV_ENCODER_SIZE 0x00800000 /* Last half isn't needed 0x01000000 */
73 #define IVTV_DECODER_OFFSET 0x01000000
74 #define IVTV_DECODER_SIZE 0x00800000 /* Last half isn't needed 0x01000000 */
76 #define IVTV_REG_OFFSET 0x02000000
77 #define IVTV_REG_SIZE 0x00010000
79 /* Buffers on hardware offsets */
80 #define IVTV_YUV_BUFFER_OFFSET 0x001a8600 /* First YUV Buffer */
81 #define IVTV_YUV_BUFFER_OFFSET_1 0x00240400 /* Second YUV Buffer */
82 #define IVTV_YUV_BUFFER_OFFSET_2 0x002d8200 /* Third YUV Buffer */
83 #define IVTV_YUV_BUFFER_OFFSET_3 0x00370000 /* Fourth YUV Buffer */
84 #define IVTV_YUV_BUFFER_UV_OFFSET 0x65400 /* Offset to UV Buffer */
86 /* Offset to filter table in firmware */
87 #define IVTV_YUV_HORIZONTAL_FILTER_OFFSET 0x025d8
88 #define IVTV_YUV_VERTICAL_FILTER_OFFSET 0x03358
90 extern const u32 yuv_offset[4];
92 /* Maximum ivtv driver instances.
93 Based on 6 PVR500s each with two PVR15s...
94 TODO: make this dynamic. I believe it is only a global in order to support
95 ivtv-fb. There must be a better way to do that. */
96 #define IVTV_MAX_CARDS 12
99 #define IVTV_CARD_PVR_250 0 /* WinTV PVR 250 */
100 #define IVTV_CARD_PVR_350 1 /* encoder, decoder, tv-out */
101 #define IVTV_CARD_PVR_150 2 /* WinTV PVR 150 and PVR 500 (really just two
102 PVR150s on one PCI board) */
103 #define IVTV_CARD_M179 3 /* AVerMedia M179 (encoder only) */
104 #define IVTV_CARD_MPG600 4 /* Kuroutoshikou ITVC16-STVLP/YUAN MPG600, encoder only */
105 #define IVTV_CARD_MPG160 5 /* Kuroutoshikou ITVC15-STVLP/YUAN MPG160
106 cx23415 based, but does not have tv-out */
107 #define IVTV_CARD_PG600 6 /* YUAN PG600/DIAMONDMM PVR-550 based on the CX Falcon 2 */
108 #define IVTV_CARD_AVC2410 7 /* Adaptec AVC-2410 */
109 #define IVTV_CARD_AVC2010 8 /* Adaptec AVD-2010 (No Tuner) */
110 #define IVTV_CARD_TG5000TV 9 /* NAGASE TRANSGEAR 5000TV, encoder only */
111 #define IVTV_CARD_VA2000MAX_SNT6 10 /* VA2000MAX-STN6 */
112 #define IVTV_CARD_CX23416GYC 11 /* Kuroutoshikou CX23416GYC-STVLP (Yuan MPG600GR OEM) */
113 #define IVTV_CARD_GV_MVPRX 12 /* I/O Data GV-MVP/RX, RX2, RX2W */
114 #define IVTV_CARD_GV_MVPRX2E 13 /* I/O Data GV-MVP/RX2E */
115 #define IVTV_CARD_GOTVIEW_PCI_DVD 14 /* GotView PCI DVD */
116 #define IVTV_CARD_GOTVIEW_PCI_DVD2 15 /* GotView PCI DVD2 */
117 #define IVTV_CARD_YUAN_MPC622 16 /* Yuan MPC622 miniPCI */
118 #define IVTV_CARD_DCTMTVP1 17 /* DIGITAL COWBOY DCT-MTVP1 */
120 #define IVTV_CARD_PG600V2 18 /* Yuan PG600V2/GotView PCI DVD Lite/Club3D ZAP-TV1x01 */
121 #define IVTV_CARD_LAST 18
123 #define IVTV_CARD_LAST 17
126 /* Variants of existing cards but with the same PCI IDs. The driver
127 detects these based on other device information.
128 These cards must always come last.
129 New cards must be inserted above, and the indices of the cards below
130 must be adjusted accordingly. */
132 /* PVR-350 V1 (uses saa7114) */
133 #define IVTV_CARD_PVR_350_V1 (IVTV_CARD_LAST+1)
134 /* 2 variants of Kuroutoshikou CX23416GYC-STVLP (Yuan MPG600GR OEM) */
135 #define IVTV_CARD_CX23416GYC_NOGR (IVTV_CARD_LAST+2)
136 #define IVTV_CARD_CX23416GYC_NOGRYCS (IVTV_CARD_LAST+3)
138 #define IVTV_ENC_STREAM_TYPE_MPG 0
139 #define IVTV_ENC_STREAM_TYPE_YUV 1
140 #define IVTV_ENC_STREAM_TYPE_VBI 2
141 #define IVTV_ENC_STREAM_TYPE_PCM 3
142 #define IVTV_ENC_STREAM_TYPE_RAD 4
143 #define IVTV_DEC_STREAM_TYPE_MPG 5
144 #define IVTV_DEC_STREAM_TYPE_VBI 6
145 #define IVTV_DEC_STREAM_TYPE_VOUT 7
146 #define IVTV_DEC_STREAM_TYPE_YUV 8
147 #define IVTV_MAX_STREAMS 9
149 #define IVTV_V4L2_DEC_MPG_OFFSET 16 /* offset from 0 to register decoder mpg v4l2 minors on */
150 #define IVTV_V4L2_ENC_PCM_OFFSET 24 /* offset from 0 to register pcm v4l2 minors on */
151 #define IVTV_V4L2_ENC_YUV_OFFSET 32 /* offset from 0 to register yuv v4l2 minors on */
152 #define IVTV_V4L2_DEC_YUV_OFFSET 48 /* offset from 0 to register decoder yuv v4l2 minors on */
153 #define IVTV_V4L2_DEC_VBI_OFFSET 8 /* offset from 0 to register decoder vbi input v4l2 minors on */
154 #define IVTV_V4L2_DEC_VOUT_OFFSET 16 /* offset from 0 to register vbi output v4l2 minors on */
156 #define IVTV_ENC_MEM_START 0x00000000
157 #define IVTV_DEC_MEM_START 0x01000000
159 /* system vendor and device IDs */
160 #define PCI_VENDOR_ID_ICOMP 0x4444
161 #define PCI_DEVICE_ID_IVTV15 0x0803
162 #define PCI_DEVICE_ID_IVTV16 0x0016
164 /* subsystem vendor ID */
165 #define IVTV_PCI_ID_HAUPPAUGE 0x0070
166 #define IVTV_PCI_ID_HAUPPAUGE_ALT1 0x0270
167 #define IVTV_PCI_ID_HAUPPAUGE_ALT2 0x4070
168 #define IVTV_PCI_ID_ADAPTEC 0x9005
169 #define IVTV_PCI_ID_AVERMEDIA 0x1461
170 #define IVTV_PCI_ID_YUAN1 0x12ab
171 #define IVTV_PCI_ID_YUAN2 0xff01
172 #define IVTV_PCI_ID_YUAN3 0xffab
173 #define IVTV_PCI_ID_YUAN4 0xfbab
174 #define IVTV_PCI_ID_DIAMONDMM 0xff92
175 #define IVTV_PCI_ID_IODATA 0x10fc
176 #define IVTV_PCI_ID_MELCO 0x1154
177 #define IVTV_PCI_ID_GOTVIEW1 0xffac
178 #define IVTV_PCI_ID_GOTVIEW2 0xffad
180 /* Decoder Buffer hardware size on Chip */
181 #define IVTV_DEC_MAX_BUF 0x00100000 /* max bytes in decoder buffer */
182 #define IVTV_DEC_MIN_BUF 0x00010000 /* min bytes in dec buffer */
184 /* ======================================================================== */
185 /* ========================== START USER SETTABLE DMA VARIABLES =========== */
186 /* ======================================================================== */
188 #define IVTV_DMA_SG_OSD_ENT (2883584/PAGE_SIZE) /* sg entities */
190 /* DMA Buffers, Default size in MB allocated */
191 #define IVTV_DEFAULT_ENC_MPG_BUFFERS 4
192 #define IVTV_DEFAULT_ENC_YUV_BUFFERS 2
193 #define IVTV_DEFAULT_ENC_VBI_BUFFERS 1
194 #define IVTV_DEFAULT_ENC_PCM_BUFFERS 1
195 #define IVTV_DEFAULT_DEC_MPG_BUFFERS 1
196 #define IVTV_DEFAULT_DEC_YUV_BUFFERS 1
197 #define IVTV_DEFAULT_DEC_VBI_BUFFERS 1
199 /* ======================================================================== */
200 /* ========================== END USER SETTABLE DMA VARIABLES ============= */
201 /* ======================================================================== */
203 /* Decoder Status Register */
204 #define IVTV_DMA_ERR_LIST 0x00000010
205 #define IVTV_DMA_ERR_WRITE 0x00000008
206 #define IVTV_DMA_ERR_READ 0x00000004
207 #define IVTV_DMA_SUCCESS_WRITE 0x00000002
208 #define IVTV_DMA_SUCCESS_READ 0x00000001
209 #define IVTV_DMA_READ_ERR (IVTV_DMA_ERR_LIST | IVTV_DMA_ERR_READ)
210 #define IVTV_DMA_WRITE_ERR (IVTV_DMA_ERR_LIST | IVTV_DMA_ERR_WRITE)
211 #define IVTV_DMA_ERR (IVTV_DMA_ERR_LIST | IVTV_DMA_ERR_WRITE | IVTV_DMA_ERR_READ)
214 #define IVTV_REG_DMAXFER (0x0000)
215 #define IVTV_REG_DMASTATUS (0x0004)
216 #define IVTV_REG_DECDMAADDR (0x0008)
217 #define IVTV_REG_ENCDMAADDR (0x000c)
218 #define IVTV_REG_DMACONTROL (0x0010)
219 #define IVTV_REG_IRQSTATUS (0x0040)
220 #define IVTV_REG_IRQMASK (0x0048)
222 /* Setup Registers */
223 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8)
224 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC)
225 #define IVTV_REG_DEC_SDRAM_REFRESH (0x08F8)
226 #define IVTV_REG_DEC_SDRAM_PRECHARGE (0x08FC)
227 #define IVTV_REG_VDM (0x2800)
228 #define IVTV_REG_AO (0x2D00)
229 #define IVTV_REG_BYTEFLUSH (0x2D24)
230 #define IVTV_REG_SPU (0x9050)
231 #define IVTV_REG_HW_BLOCKS (0x9054)
232 #define IVTV_REG_VPU (0x9058)
233 #define IVTV_REG_APU (0xA064)
235 #define IVTV_IRQ_ENC_START_CAP (0x1 << 31)
236 #define IVTV_IRQ_ENC_EOS (0x1 << 30)
237 #define IVTV_IRQ_ENC_VBI_CAP (0x1 << 29)
238 #define IVTV_IRQ_ENC_VIM_RST (0x1 << 28)
239 #define IVTV_IRQ_ENC_DMA_COMPLETE (0x1 << 27)
240 #define IVTV_IRQ_DEC_AUD_MODE_CHG (0x1 << 24)
241 #define IVTV_IRQ_DEC_DATA_REQ (0x1 << 22)
242 #define IVTV_IRQ_DEC_DMA_COMPLETE (0x1 << 20)
243 #define IVTV_IRQ_DEC_VBI_RE_INSERT (0x1 << 19)
244 #define IVTV_IRQ_DMA_ERR (0x1 << 18)
245 #define IVTV_IRQ_DMA_WRITE (0x1 << 17)
246 #define IVTV_IRQ_DMA_READ (0x1 << 16)
247 #define IVTV_IRQ_DEC_VSYNC (0x1 << 10)
250 #define IVTV_IRQ_MASK_INIT (IVTV_IRQ_DMA_ERR|IVTV_IRQ_ENC_DMA_COMPLETE|IVTV_IRQ_DMA_READ)
252 #define IVTV_IRQ_MASK_CAPTURE (IVTV_IRQ_ENC_START_CAP | IVTV_IRQ_ENC_EOS)
253 #define IVTV_IRQ_MASK_DECODE (IVTV_IRQ_DEC_DATA_REQ|IVTV_IRQ_DEC_AUD_MODE_CHG)
256 #define I2C_CLIENTS_MAX 16
260 #define IVTV_DBGFLG_WARN (1 << 0)
261 #define IVTV_DBGFLG_INFO (1 << 1)
262 #define IVTV_DBGFLG_API (1 << 2)
263 #define IVTV_DBGFLG_DMA (1 << 3)
264 #define IVTV_DBGFLG_IOCTL (1 << 4)
265 #define IVTV_DBGFLG_I2C (1 << 5)
266 #define IVTV_DBGFLG_IRQ (1 << 6)
267 #define IVTV_DBGFLG_DEC (1 << 7)
268 #define IVTV_DBGFLG_YUV (1 << 8)
270 /* NOTE: extra space before comma in 'itv->num , ## args' is required for
271 gcc-2.95, otherwise it won't compile. */
272 #define IVTV_DEBUG(x, type, fmt, args...) \
274 if ((x) & ivtv_debug) \
275 printk(KERN_INFO "ivtv%d " type ": " fmt, itv->num , ## args); \
277 #define IVTV_DEBUG_WARN(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_WARN, "warning", fmt , ## args)
278 #define IVTV_DEBUG_INFO(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_INFO, "info",fmt , ## args)
279 #define IVTV_DEBUG_API(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_API, "api", fmt , ## args)
280 #define IVTV_DEBUG_DMA(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_DMA, "dma", fmt , ## args)
281 #define IVTV_DEBUG_IOCTL(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_IOCTL, "ioctl", fmt , ## args)
282 #define IVTV_DEBUG_I2C(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_I2C, "i2c", fmt , ## args)
283 #define IVTV_DEBUG_IRQ(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_IRQ, "irq", fmt , ## args)
284 #define IVTV_DEBUG_DEC(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_DEC, "dec", fmt , ## args)
285 #define IVTV_DEBUG_YUV(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_YUV, "yuv", fmt , ## args)
287 #define IVTV_FB_DEBUG(x, type, fmt, args...) \
289 if ((x) & ivtv_debug) \
290 printk(KERN_INFO "ivtv%d-fb " type ": " fmt, itv->num , ## args); \
292 #define IVTV_FB_DEBUG_WARN(fmt, args...) IVTV_FB_DEBUG(IVTV_DBGFLG_WARN, "warning", fmt , ## args)
293 #define IVTV_FB_DEBUG_INFO(fmt, args...) IVTV_FB_DEBUG(IVTV_DBGFLG_INFO, "info", fmt , ## args)
294 #define IVTV_FB_DEBUG_API(fmt, args...) IVTV_FB_DEBUG(IVTV_DBGFLG_API, "api", fmt , ## args)
295 #define IVTV_FB_DEBUG_DMA(fmt, args...) IVTV_FB_DEBUG(IVTV_DBGFLG_DMA, "dma", fmt , ## args)
296 #define IVTV_FB_DEBUG_IOCTL(fmt, args...) IVTV_FB_DEBUG(IVTV_DBGFLG_IOCTL, "ioctl", fmt , ## args)
297 #define IVTV_FB_DEBUG_I2C(fmt, args...) IVTV_FB_DEBUG(IVTV_DBGFLG_I2C, "i2c", fmt , ## args)
298 #define IVTV_FB_DEBUG_IRQ(fmt, args...) IVTV_FB_DEBUG(IVTV_DBGFLG_IRQ, "irq", fmt , ## args)
299 #define IVTV_FB_DEBUG_DEC(fmt, args...) IVTV_FB_DEBUG(IVTV_DBGFLG_DEC, "dec", fmt , ## args)
300 #define IVTV_FB_DEBUG_YUV(fmt, args...) IVTV_FB_DEBUG(IVTV_DBGFLG_YUV, "yuv", fmt , ## args)
302 /* Standard kernel messages */
303 #define IVTV_ERR(fmt, args...) printk(KERN_ERR "ivtv%d: " fmt, itv->num , ## args)
304 #define IVTV_WARN(fmt, args...) printk(KERN_WARNING "ivtv%d: " fmt, itv->num , ## args)
305 #define IVTV_INFO(fmt, args...) printk(KERN_INFO "ivtv%d: " fmt, itv->num , ## args)
306 #define IVTV_FB_ERR(fmt, args...) printk(KERN_ERR "ivtv%d-fb: " fmt, itv->num , ## args)
307 #define IVTV_FB_WARN(fmt, args...) printk(KERN_WARNING "ivtv%d-fb: " fmt, itv->num , ## args)
308 #define IVTV_FB_INFO(fmt, args...) printk(KERN_INFO "ivtv%d-fb: " fmt, itv->num , ## args)
310 /* Values for IVTV_API_DEC_PLAYBACK_SPEED mpeg_frame_type_mask parameter: */
311 #define MPEG_FRAME_TYPE_IFRAME 1
312 #define MPEG_FRAME_TYPE_IFRAME_PFRAME 3
313 #define MPEG_FRAME_TYPE_ALL 7
315 /* output modes (cx23415 only) */
319 #define OUT_UDMA_YUV 3
320 #define OUT_PASSTHROUGH 4
322 #define IVTV_MAX_PGM_INDEX (400)
324 extern int ivtv_debug;
327 struct ivtv_options {
328 int megabytes[IVTV_MAX_STREAMS]; /* Size in megabytes of each stream */
329 int cardtype; /* force card type on load */
330 int tuner; /* set tuner on load */
331 int radio; /* enable/disable radio */
332 int newi2c; /* New I2C algorithm */
335 #define IVTV_MBOX_DMA_START 6
336 #define IVTV_MBOX_DMA_END 8
337 #define IVTV_MBOX_DMA 9
338 #define IVTV_MBOX_FIELD_DISPLAYED 8
340 /* ivtv-specific mailbox template */
341 struct ivtv_mailbox {
346 u32 data[CX2341X_MBOX_MAX_DATA];
349 struct ivtv_api_cache {
350 unsigned long last_jiffies; /* when last command was issued */
351 u32 data[CX2341X_MBOX_MAX_DATA]; /* last sent api data */
354 struct ivtv_mailbox_data {
355 volatile struct ivtv_mailbox __iomem *mbox;
356 /* Bits 0-2 are for the encoder mailboxes, 0-1 are for the decoder mailboxes.
357 If the bit is set, then the corresponding mailbox is in use by the driver. */
362 /* per-buffer bit flags */
363 #define IVTV_F_B_NEED_BUF_SWAP 0 /* this buffer should be byte swapped */
365 /* per-stream, s_flags */
366 #define IVTV_F_S_DMA_PENDING 0 /* this stream has pending DMA */
367 #define IVTV_F_S_DMA_HAS_VBI 1 /* the current DMA request also requests VBI data */
368 #define IVTV_F_S_NEEDS_DATA 2 /* this decoding stream needs more data */
370 #define IVTV_F_S_CLAIMED 3 /* this stream is claimed */
371 #define IVTV_F_S_STREAMING 4 /* the fw is decoding/encoding this stream */
372 #define IVTV_F_S_INTERNAL_USE 5 /* this stream is used internally (sliced VBI processing) */
373 #define IVTV_F_S_PASSTHROUGH 6 /* this stream is in passthrough mode */
374 #define IVTV_F_S_STREAMOFF 7 /* signal end of stream EOS */
375 #define IVTV_F_S_APPL_IO 8 /* this stream is used read/written by an application */
377 /* per-ivtv, i_flags */
378 #define IVTV_F_I_DMA 0 /* DMA in progress */
379 #define IVTV_F_I_UDMA 1 /* UDMA in progress */
380 #define IVTV_F_I_UDMA_PENDING 2 /* UDMA pending */
381 #define IVTV_F_I_SPEED_CHANGE 3 /* A speed change is in progress */
382 #define IVTV_F_I_EOS 4 /* End of encoder stream reached */
383 #define IVTV_F_I_RADIO_USER 5 /* The radio tuner is selected */
384 #define IVTV_F_I_DIG_RST 6 /* Reset digitizer */
385 #define IVTV_F_I_DEC_YUV 7 /* YUV instead of MPG is being decoded */
386 #define IVTV_F_I_ENC_VBI 8 /* VBI DMA */
387 #define IVTV_F_I_UPDATE_CC 9 /* CC should be updated */
388 #define IVTV_F_I_UPDATE_WSS 10 /* WSS should be updated */
389 #define IVTV_F_I_UPDATE_VPS 11 /* VPS should be updated */
390 #define IVTV_F_I_DECODING_YUV 12 /* this stream is YUV frame decoding */
391 #define IVTV_F_I_ENC_PAUSED 13 /* the encoder is paused */
392 #define IVTV_F_I_VALID_DEC_TIMINGS 14 /* last_dec_timing is valid */
393 #define IVTV_F_I_WORK_HANDLER_VBI 15 /* there is work to be done for VBI */
394 #define IVTV_F_I_WORK_HANDLER_YUV 16 /* there is work to be done for YUV */
396 /* Event notifications */
397 #define IVTV_F_I_EV_DEC_STOPPED 28 /* decoder stopped event */
398 #define IVTV_F_I_EV_VSYNC 29 /* VSYNC event */
399 #define IVTV_F_I_EV_VSYNC_FIELD 30 /* VSYNC event field (0 = first, 1 = second field) */
400 #define IVTV_F_I_EV_VSYNC_ENABLED 31 /* VSYNC event enabled */
402 /* Scatter-Gather array element, used in DMA transfers */
403 struct ivtv_SG_element {
409 struct ivtv_user_dma {
412 struct page *map[IVTV_DMA_SG_OSD_ENT];
414 /* Base Dev SG Array for cx23415/6 */
415 struct ivtv_SG_element SGarray[IVTV_DMA_SG_OSD_ENT];
416 dma_addr_t SG_handle;
419 /* SG List of Buffers */
420 struct scatterlist SGlist[IVTV_DMA_SG_OSD_ENT];
423 struct ivtv_dma_page_info {
433 struct list_head list;
434 dma_addr_t dma_handle;
435 unsigned long b_flags;
443 struct list_head list;
449 struct ivtv; /* forward reference */
452 /* These first four fields are always set, even if the stream
453 is not actually created. */
454 struct video_device *v4l2dev; /* NULL when stream not created */
455 struct ivtv *itv; /* for ease of use */
456 const char *name; /* name of the stream */
457 int type; /* stream type */
460 spinlock_t qlock; /* locks access to the queues */
461 unsigned long s_flags; /* status flags, see above */
462 int dma; /* can be PCI_DMA_TODEVICE,
463 PCI_DMA_FROMDEVICE or
470 wait_queue_head_t waitq;
479 struct ivtv_queue q_free; /* free buffers */
480 struct ivtv_queue q_full; /* full buffers */
481 struct ivtv_queue q_io; /* waiting for I/O */
482 struct ivtv_queue q_dma; /* waiting for DMA */
483 struct ivtv_queue q_predma; /* waiting for DMA */
485 /* Base Dev SG Array for cx23415/6 */
486 struct ivtv_SG_element *SGarray;
487 dma_addr_t SG_handle;
490 /* SG List of Buffers */
491 struct scatterlist *SGlist;
494 struct ivtv_open_id {
497 enum v4l2_priority prio;
501 #define IVTV_YUV_UPDATE_HORIZONTAL 0x01
502 #define IVTV_YUV_UPDATE_VERTICAL 0x02
504 struct yuv_frame_info
527 #define IVTV_YUV_MODE_INTERLACED 0x00
528 #define IVTV_YUV_MODE_PROGRESSIVE 0x01
529 #define IVTV_YUV_MODE_AUTO 0x02
530 #define IVTV_YUV_MODE_MASK 0x03
532 #define IVTV_YUV_SYNC_EVEN 0x00
533 #define IVTV_YUV_SYNC_ODD 0x04
534 #define IVTV_YUV_SYNC_MASK 0x04
536 struct yuv_playback_info
596 int frame_interlaced;
597 int frame_interlaced_last;
603 atomic_t next_dma_frame;
604 atomic_t next_fill_frame;
606 u32 yuv_forced_update;
608 struct yuv_frame_info new_frame_info[4];
609 struct yuv_frame_info old_frame_info;
610 struct yuv_frame_info old_frame_info_args;
613 dma_addr_t blanking_dmaptr;
616 #define IVTV_VBI_FRAMES 32
621 u32 enc_start, enc_size;
626 u8 cc_data_even[256];
634 u32 raw_decoder_line_size;
635 u8 raw_decoder_sav_odd_field;
636 u8 raw_decoder_sav_even_field;
637 u32 sliced_decoder_line_size;
638 u8 sliced_decoder_sav_odd_field;
639 u8 sliced_decoder_sav_even_field;
640 struct v4l2_format in;
641 /* convenience pointer to sliced struct in vbi_in union */
642 struct v4l2_sliced_vbi_format *sliced_in;
647 /* Buffer for the maximum of 2 * 18 * packet_size sliced VBI lines.
648 One for /dev/vbi0 and one for /dev/vbi8 */
649 struct v4l2_sliced_vbi_data sliced_data[36];
650 struct v4l2_sliced_vbi_data sliced_dec_data[36];
652 /* Buffer for VBI data inserted into MPEG stream.
653 The first byte is a dummy byte that's never used.
654 The next 16 bytes contain the MPEG header for the VBI data,
655 the remainder is the actual VBI data.
656 The max size accepted by the MPEG VBI reinsertion turns out
657 to be 1552 bytes, which happens to be 4 + (1 + 42) * (2 * 18) bytes,
658 where 4 is a four byte header, 42 is the max sliced VBI payload, 1 is
659 a single line header byte and 2 * 18 is the number of VBI lines per frame.
661 However, it seems that the data must be 1K aligned, so we have to
662 pad the data until the 1 or 2 K boundary.
664 This pointer array will allocate 2049 bytes to store each VBI frame. */
665 u8 *sliced_mpeg_data[IVTV_VBI_FRAMES];
666 u32 sliced_mpeg_size[IVTV_VBI_FRAMES];
667 struct ivtv_buffer sliced_mpeg_buf;
675 /* forward declaration of struct defined in ivtv-cards.h */
678 /* Struct to hold info about ivtv cards */
680 int num; /* board number, -1 during init! */
681 char name[8]; /* board name for printk and interrupts (e.g. 'ivtv0') */
682 struct pci_dev *dev; /* PCI device */
683 const struct ivtv_card *card; /* card information */
684 const char *card_name; /* full name of the card */
685 u8 has_cx23415; /* 1 if it is a cx23415 based card, 0 for cx23416 */
690 u8 pvr150_workaround; /* 1 if the cx25840 needs to workaround a PVR150 bug */
691 u8 nof_inputs; /* number of video inputs */
692 u8 nof_audio_inputs; /* number of audio inputs */
693 u32 v4l2_cap; /* V4L2 capabilities of card */
694 u32 hw_flags; /* Hardware description of the board */
696 /* controlling Video decoder function */
697 int (*video_dec_func)(struct ivtv *, unsigned int, void *);
699 struct ivtv_options options; /* User options */
700 int stream_buf_size[IVTV_MAX_STREAMS]; /* Stream buffer size */
701 struct ivtv_stream streams[IVTV_MAX_STREAMS]; /* Stream data */
704 unsigned long i_flags; /* global ivtv flags */
705 atomic_t capturing; /* count number of active capture streams */
706 atomic_t decoding; /* count number of active decoding streams */
707 u32 irq_rr_idx; /* Round-robin stream index */
708 int cur_dma_stream; /* index of stream doing DMA */
709 u32 dma_data_req_offset;
710 u32 dma_data_req_size;
711 int output_mode; /* NONE, MPG, YUV, UDMA YUV, passthrough */
712 spinlock_t lock; /* lock access to this struct */
713 int search_pack_header;
715 spinlock_t dma_reg_lock; /* lock access to DMA engine registers */
717 /* User based DMA for OSD */
718 struct ivtv_user_dma udma;
720 int open_id; /* incremented each time an open occurs, used as unique ID.
721 starts at 1, so 0 can be used as uninitialized value
722 in the stream->id. */
727 struct v4l2_prio_state prio;
728 struct workqueue_struct *irq_work_queues;
729 struct work_struct irq_work_queue;
730 struct timer_list dma_timer; /* Timer used to catch unfinished DMAs */
734 struct ivtv_mailbox_data enc_mbox;
735 struct ivtv_mailbox_data dec_mbox;
736 struct ivtv_api_cache api_cache[256]; /* Cached API Commands */
739 volatile void __iomem *enc_mem, *dec_mem, *reg_mem;
743 u32 pgm_info_write_idx;
744 u32 pgm_info_read_idx;
745 struct v4l2_enc_idx_entry pgm_info[IVTV_MAX_PGM_INDEX];
747 u64 mpg_data_received;
748 u64 vbi_data_inserted;
750 wait_queue_head_t cap_w;
751 /* when the next decoder event arrives this queue is woken up */
752 wait_queue_head_t event_waitq;
753 /* when the next decoder vsync arrives this queue is woken up */
754 wait_queue_head_t vsync_waitq;
755 /* when the current DMA is finished this queue is woken up */
756 wait_queue_head_t dma_waitq;
759 unsigned long osd_video_pbase;
760 int osd_global_alpha_state; /* 0=off : 1=on */
761 int osd_local_alpha_state; /* 0=off : 1=on */
762 int osd_color_key_state; /* 0=off : 1=on */
763 u8 osd_global_alpha; /* Current global alpha */
764 u32 osd_color_key; /* Current color key */
765 u32 osd_pixelformat; /* Current pixel format */
766 struct v4l2_rect osd_rect; /* Current OSD position and size */
767 struct v4l2_rect main_rect; /* Current Main window position and size */
769 u32 last_dec_timing[3]; /* Store last retrieved pts/scr/frame values */
772 struct i2c_adapter i2c_adap;
773 struct i2c_algo_bit_data i2c_algo;
774 struct i2c_client i2c_client;
775 struct mutex i2c_bus_lock;
777 struct i2c_client *i2c_clients[I2C_CLIENTS_MAX];
779 /* v4l2 and User settings */
782 struct cx2341x_mpeg_params params;
788 v4l2_std_id tuner_std; /* The norm of the tuner (fixed) */
789 u8 audio_stereo_mode;
790 u8 audio_bilingual_mode;
793 unsigned long dualwatch_jiffies;
794 u16 dualwatch_stereo_mode;
797 int digitizer; /* 0x00EF = saa7114 0x00FO = saa7115 0x0106 = mic */
801 struct yuv_playback_info yuv_info;
802 struct osd_info *osd_info;
806 extern struct ivtv *ivtv_cards[];
807 extern int ivtv_cards_active;
808 extern int ivtv_first_minor;
809 extern spinlock_t ivtv_cards_lock;
811 /*==============Prototypes==================*/
814 void ivtv_set_irq_mask(struct ivtv *itv, u32 mask);
815 void ivtv_clear_irq_mask(struct ivtv *itv, u32 mask);
817 /* try to set output mode, return current mode. */
818 int ivtv_set_output_mode(struct ivtv *itv, int mode);
820 /* return current output stream based on current mode */
821 struct ivtv_stream *ivtv_get_output_stream(struct ivtv *itv);
823 /* Return non-zero if a signal is pending */
824 int ivtv_sleep_timeout(int timeout, int intr);
826 /* Wait on queue, returns -EINTR if interrupted */
827 int ivtv_waitq(wait_queue_head_t *waitq);
829 /* Read Hauppauge eeprom */
830 struct tveeprom; /* forward reference */
831 void ivtv_read_eeprom(struct ivtv *itv, struct tveeprom *tv);
833 /* This is a PCI post thing, where if the pci register is not read, then
834 the write doesn't always take effect right away. By reading back the
835 register any pending PCI writes will be performed (in order), and so
836 you can be sure that the writes are guaranteed to be done.
838 Rarely needed, only in some timing sensitive cases.
839 Apparently if this is not done some motherboards seem
840 to kill the firmware and get into the broken state until computer is
842 #define write_sync(val, reg) \
843 do { writel(val, reg); readl(reg); } while (0)
845 #define read_reg(reg) readl(itv->reg_mem + (reg))
846 #define write_reg(val, reg) writel(val, itv->reg_mem + (reg))
847 #define write_reg_sync(val, reg) \
848 do { write_reg(val, reg); read_reg(reg); } while (0)
850 #define read_enc(addr) readl(itv->enc_mem + (u32)(addr))
851 #define write_enc(val, addr) writel(val, itv->enc_mem + (u32)(addr))
852 #define write_enc_sync(val, addr) \
853 do { write_enc(val, addr); read_enc(addr); } while (0)
855 #define read_dec(addr) readl(itv->dec_mem + (u32)(addr))
856 #define write_dec(val, addr) writel(val, itv->dec_mem + (u32)(addr))
857 #define write_dec_sync(val, addr) \
858 do { write_dec(val, addr); read_dec(addr); } while (0)
860 #endif /* IVTV_DRIVER_H */