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 #ifdef CONFIG_LIRC_I2C
71 # error "This driver is not compatible with the LIRC I2C kernel configuration option."
72 #endif /* CONFIG_LIRC_I2C */
75 # error "This driver requires kernel PCI support."
76 #endif /* CONFIG_PCI */
78 #define IVTV_ENCODER_OFFSET 0x00000000
79 #define IVTV_ENCODER_SIZE 0x00800000 /* Last half isn't needed 0x01000000 */
81 #define IVTV_DECODER_OFFSET 0x01000000
82 #define IVTV_DECODER_SIZE 0x00800000 /* Last half isn't needed 0x01000000 */
84 #define IVTV_REG_OFFSET 0x02000000
85 #define IVTV_REG_SIZE 0x00010000
87 /* Buffers on hardware offsets */
88 #define IVTV_YUV_BUFFER_OFFSET 0x001a8600 /* First YUV Buffer */
89 #define IVTV_YUV_BUFFER_OFFSET_1 0x00240400 /* Second YUV Buffer */
90 #define IVTV_YUV_BUFFER_OFFSET_2 0x002d8200 /* Third YUV Buffer */
91 #define IVTV_YUV_BUFFER_OFFSET_3 0x00370000 /* Fourth YUV Buffer */
92 #define IVTV_YUV_BUFFER_UV_OFFSET 0x65400 /* Offset to UV Buffer */
94 /* Offset to filter table in firmware */
95 #define IVTV_YUV_HORIZONTAL_FILTER_OFFSET 0x025d8
96 #define IVTV_YUV_VERTICAL_FILTER_OFFSET 0x03358
98 extern const u32 yuv_offset[4];
100 /* Maximum ivtv driver instances.
101 Based on 6 PVR500s each with two PVR15s...
102 TODO: make this dynamic. I believe it is only a global in order to support
103 ivtv-fb. There must be a better way to do that. */
104 #define IVTV_MAX_CARDS 12
106 /* Supported cards */
107 #define IVTV_CARD_PVR_250 0 /* WinTV PVR 250 */
108 #define IVTV_CARD_PVR_350 1 /* encoder, decoder, tv-out */
109 #define IVTV_CARD_PVR_150 2 /* WinTV PVR 150 and PVR 500 (really just two
110 PVR150s on one PCI board) */
111 #define IVTV_CARD_M179 3 /* AVerMedia M179 (encoder only) */
112 #define IVTV_CARD_MPG600 4 /* Kuroutoshikou ITVC16-STVLP/YUAN MPG600, encoder only */
113 #define IVTV_CARD_MPG160 5 /* Kuroutoshikou ITVC15-STVLP/YUAN MPG160
114 cx23415 based, but does not have tv-out */
115 #define IVTV_CARD_PG600 6 /* YUAN PG600/DIAMONDMM PVR-550 based on the CX Falcon 2 */
116 #define IVTV_CARD_AVC2410 7 /* Adaptec AVC-2410 */
117 #define IVTV_CARD_AVC2010 8 /* Adaptec AVD-2010 (No Tuner) */
118 #define IVTV_CARD_TG5000TV 9 /* NAGASE TRANSGEAR 5000TV, encoder only */
119 #define IVTV_CARD_VA2000MAX_SNT6 10 /* VA2000MAX-STN6 */
120 #define IVTV_CARD_CX23416GYC 11 /* Kuroutoshikou CX23416GYC-STVLP (Yuan MPG600GR OEM) */
121 #define IVTV_CARD_GV_MVPRX 12 /* I/O Data GV-MVP/RX, RX2, RX2W */
122 #define IVTV_CARD_GV_MVPRX2E 13 /* I/O Data GV-MVP/RX2E */
123 #define IVTV_CARD_GOTVIEW_PCI_DVD 14 /* GotView PCI DVD */
124 #define IVTV_CARD_GOTVIEW_PCI_DVD2 15 /* GotView PCI DVD2 */
125 #define IVTV_CARD_YUAN_MPC622 16 /* Yuan MPC622 miniPCI */
126 #define IVTV_CARD_DCTMTVP1 17 /* DIGITAL COWBOY DCT-MTVP1 */
128 #define IVTV_CARD_PG600V2 18 /* Yuan PG600V2/GotView PCI DVD Lite/Club3D ZAP-TV1x01 */
129 #define IVTV_CARD_LAST 18
131 #define IVTV_CARD_LAST 17
134 /* Variants of existing cards but with the same PCI IDs. The driver
135 detects these based on other device information.
136 These cards must always come last.
137 New cards must be inserted above, and the indices of the cards below
138 must be adjusted accordingly. */
140 /* PVR-350 V1 (uses saa7114) */
141 #define IVTV_CARD_PVR_350_V1 (IVTV_CARD_LAST+1)
142 /* 2 variants of Kuroutoshikou CX23416GYC-STVLP (Yuan MPG600GR OEM) */
143 #define IVTV_CARD_CX23416GYC_NOGR (IVTV_CARD_LAST+2)
144 #define IVTV_CARD_CX23416GYC_NOGRYCS (IVTV_CARD_LAST+3)
146 #define IVTV_ENC_STREAM_TYPE_MPG 0
147 #define IVTV_ENC_STREAM_TYPE_YUV 1
148 #define IVTV_ENC_STREAM_TYPE_VBI 2
149 #define IVTV_ENC_STREAM_TYPE_PCM 3
150 #define IVTV_ENC_STREAM_TYPE_RAD 4
151 #define IVTV_DEC_STREAM_TYPE_MPG 5
152 #define IVTV_DEC_STREAM_TYPE_VBI 6
153 #define IVTV_DEC_STREAM_TYPE_VOUT 7
154 #define IVTV_DEC_STREAM_TYPE_YUV 8
155 #define IVTV_MAX_STREAMS 9
157 #define IVTV_V4L2_DEC_MPG_OFFSET 16 /* offset from 0 to register decoder mpg v4l2 minors on */
158 #define IVTV_V4L2_ENC_PCM_OFFSET 24 /* offset from 0 to register pcm v4l2 minors on */
159 #define IVTV_V4L2_ENC_YUV_OFFSET 32 /* offset from 0 to register yuv v4l2 minors on */
160 #define IVTV_V4L2_DEC_YUV_OFFSET 48 /* offset from 0 to register decoder yuv v4l2 minors on */
161 #define IVTV_V4L2_DEC_VBI_OFFSET 8 /* offset from 0 to register decoder vbi input v4l2 minors on */
162 #define IVTV_V4L2_DEC_VOUT_OFFSET 16 /* offset from 0 to register vbi output v4l2 minors on */
164 #define IVTV_ENC_MEM_START 0x00000000
165 #define IVTV_DEC_MEM_START 0x01000000
167 /* system vendor and device IDs */
168 #define PCI_VENDOR_ID_ICOMP 0x4444
169 #define PCI_DEVICE_ID_IVTV15 0x0803
170 #define PCI_DEVICE_ID_IVTV16 0x0016
172 /* subsystem vendor ID */
173 #define IVTV_PCI_ID_HAUPPAUGE 0x0070
174 #define IVTV_PCI_ID_HAUPPAUGE_ALT1 0x0270
175 #define IVTV_PCI_ID_HAUPPAUGE_ALT2 0x4070
176 #define IVTV_PCI_ID_ADAPTEC 0x9005
177 #define IVTV_PCI_ID_AVERMEDIA 0x1461
178 #define IVTV_PCI_ID_YUAN1 0x12ab
179 #define IVTV_PCI_ID_YUAN2 0xff01
180 #define IVTV_PCI_ID_YUAN3 0xffab
181 #define IVTV_PCI_ID_YUAN4 0xfbab
182 #define IVTV_PCI_ID_DIAMONDMM 0xff92
183 #define IVTV_PCI_ID_IODATA 0x10fc
184 #define IVTV_PCI_ID_MELCO 0x1154
185 #define IVTV_PCI_ID_GOTVIEW1 0xffac
186 #define IVTV_PCI_ID_GOTVIEW2 0xffad
188 /* Decoder Buffer hardware size on Chip */
189 #define IVTV_DEC_MAX_BUF 0x00100000 /* max bytes in decoder buffer */
190 #define IVTV_DEC_MIN_BUF 0x00010000 /* min bytes in dec buffer */
192 /* ======================================================================== */
193 /* ========================== START USER SETTABLE DMA VARIABLES =========== */
194 /* ======================================================================== */
196 #define IVTV_DMA_SG_OSD_ENT (2883584/PAGE_SIZE) /* sg entities */
198 /* DMA Buffers, Default size in MB allocated */
199 #define IVTV_DEFAULT_ENC_MPG_BUFFERS 4
200 #define IVTV_DEFAULT_ENC_YUV_BUFFERS 2
201 #define IVTV_DEFAULT_ENC_VBI_BUFFERS 1
202 #define IVTV_DEFAULT_ENC_PCM_BUFFERS 1
203 #define IVTV_DEFAULT_DEC_MPG_BUFFERS 1
204 #define IVTV_DEFAULT_DEC_YUV_BUFFERS 1
205 #define IVTV_DEFAULT_DEC_VBI_BUFFERS 1
207 /* ======================================================================== */
208 /* ========================== END USER SETTABLE DMA VARIABLES ============= */
209 /* ======================================================================== */
211 /* Decoder Status Register */
212 #define IVTV_DMA_ERR_LIST 0x00000010
213 #define IVTV_DMA_ERR_WRITE 0x00000008
214 #define IVTV_DMA_ERR_READ 0x00000004
215 #define IVTV_DMA_SUCCESS_WRITE 0x00000002
216 #define IVTV_DMA_SUCCESS_READ 0x00000001
217 #define IVTV_DMA_READ_ERR (IVTV_DMA_ERR_LIST | IVTV_DMA_ERR_READ)
218 #define IVTV_DMA_WRITE_ERR (IVTV_DMA_ERR_LIST | IVTV_DMA_ERR_WRITE)
219 #define IVTV_DMA_ERR (IVTV_DMA_ERR_LIST | IVTV_DMA_ERR_WRITE | IVTV_DMA_ERR_READ)
222 #define IVTV_REG_DMAXFER (0x0000)
223 #define IVTV_REG_DMASTATUS (0x0004)
224 #define IVTV_REG_DECDMAADDR (0x0008)
225 #define IVTV_REG_ENCDMAADDR (0x000c)
226 #define IVTV_REG_DMACONTROL (0x0010)
227 #define IVTV_REG_IRQSTATUS (0x0040)
228 #define IVTV_REG_IRQMASK (0x0048)
230 /* Setup Registers */
231 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8)
232 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC)
233 #define IVTV_REG_DEC_SDRAM_REFRESH (0x08F8)
234 #define IVTV_REG_DEC_SDRAM_PRECHARGE (0x08FC)
235 #define IVTV_REG_VDM (0x2800)
236 #define IVTV_REG_AO (0x2D00)
237 #define IVTV_REG_BYTEFLUSH (0x2D24)
238 #define IVTV_REG_SPU (0x9050)
239 #define IVTV_REG_HW_BLOCKS (0x9054)
240 #define IVTV_REG_VPU (0x9058)
241 #define IVTV_REG_APU (0xA064)
243 #define IVTV_IRQ_ENC_START_CAP (0x1 << 31)
244 #define IVTV_IRQ_ENC_EOS (0x1 << 30)
245 #define IVTV_IRQ_ENC_VBI_CAP (0x1 << 29)
246 #define IVTV_IRQ_ENC_VIM_RST (0x1 << 28)
247 #define IVTV_IRQ_ENC_DMA_COMPLETE (0x1 << 27)
248 #define IVTV_IRQ_DEC_AUD_MODE_CHG (0x1 << 24)
249 #define IVTV_IRQ_DEC_DATA_REQ (0x1 << 22)
250 #define IVTV_IRQ_DEC_DMA_COMPLETE (0x1 << 20)
251 #define IVTV_IRQ_DEC_VBI_RE_INSERT (0x1 << 19)
252 #define IVTV_IRQ_DMA_ERR (0x1 << 18)
253 #define IVTV_IRQ_DMA_WRITE (0x1 << 17)
254 #define IVTV_IRQ_DMA_READ (0x1 << 16)
255 #define IVTV_IRQ_DEC_VSYNC (0x1 << 10)
258 #define IVTV_IRQ_MASK_INIT (IVTV_IRQ_DMA_ERR|IVTV_IRQ_ENC_DMA_COMPLETE|IVTV_IRQ_DMA_READ)
260 #define IVTV_IRQ_MASK_CAPTURE (IVTV_IRQ_ENC_START_CAP | IVTV_IRQ_ENC_EOS)
261 #define IVTV_IRQ_MASK_DECODE (IVTV_IRQ_DEC_DATA_REQ|IVTV_IRQ_DEC_AUD_MODE_CHG)
264 #define I2C_CLIENTS_MAX 16
268 #define IVTV_DBGFLG_WARN (1 << 0)
269 #define IVTV_DBGFLG_INFO (1 << 1)
270 #define IVTV_DBGFLG_API (1 << 2)
271 #define IVTV_DBGFLG_DMA (1 << 3)
272 #define IVTV_DBGFLG_IOCTL (1 << 4)
273 #define IVTV_DBGFLG_I2C (1 << 5)
274 #define IVTV_DBGFLG_IRQ (1 << 6)
275 #define IVTV_DBGFLG_DEC (1 << 7)
276 #define IVTV_DBGFLG_YUV (1 << 8)
278 /* NOTE: extra space before comma in 'itv->num , ## args' is required for
279 gcc-2.95, otherwise it won't compile. */
280 #define IVTV_DEBUG(x, type, fmt, args...) \
282 if ((x) & ivtv_debug) \
283 printk(KERN_INFO "ivtv%d " type ": " fmt, itv->num , ## args); \
285 #define IVTV_DEBUG_WARN(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_WARN, "warning", fmt , ## args)
286 #define IVTV_DEBUG_INFO(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_INFO, "info",fmt , ## args)
287 #define IVTV_DEBUG_API(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_API, "api", fmt , ## args)
288 #define IVTV_DEBUG_DMA(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_DMA, "dma", fmt , ## args)
289 #define IVTV_DEBUG_IOCTL(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_IOCTL, "ioctl", fmt , ## args)
290 #define IVTV_DEBUG_I2C(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_I2C, "i2c", fmt , ## args)
291 #define IVTV_DEBUG_IRQ(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_IRQ, "irq", fmt , ## args)
292 #define IVTV_DEBUG_DEC(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_DEC, "dec", fmt , ## args)
293 #define IVTV_DEBUG_YUV(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_YUV, "yuv", fmt , ## args)
295 #define IVTV_FB_DEBUG(x, type, fmt, args...) \
297 if ((x) & ivtv_debug) \
298 printk(KERN_INFO "ivtv%d-fb " type ": " fmt, itv->num , ## args); \
300 #define IVTV_FB_DEBUG_WARN(fmt, args...) IVTV_FB_DEBUG(IVTV_DBGFLG_WARN, "warning", fmt , ## args)
301 #define IVTV_FB_DEBUG_INFO(fmt, args...) IVTV_FB_DEBUG(IVTV_DBGFLG_INFO, "info", fmt , ## args)
302 #define IVTV_FB_DEBUG_API(fmt, args...) IVTV_FB_DEBUG(IVTV_DBGFLG_API, "api", fmt , ## args)
303 #define IVTV_FB_DEBUG_DMA(fmt, args...) IVTV_FB_DEBUG(IVTV_DBGFLG_DMA, "dma", fmt , ## args)
304 #define IVTV_FB_DEBUG_IOCTL(fmt, args...) IVTV_FB_DEBUG(IVTV_DBGFLG_IOCTL, "ioctl", fmt , ## args)
305 #define IVTV_FB_DEBUG_I2C(fmt, args...) IVTV_FB_DEBUG(IVTV_DBGFLG_I2C, "i2c", fmt , ## args)
306 #define IVTV_FB_DEBUG_IRQ(fmt, args...) IVTV_FB_DEBUG(IVTV_DBGFLG_IRQ, "irq", fmt , ## args)
307 #define IVTV_FB_DEBUG_DEC(fmt, args...) IVTV_FB_DEBUG(IVTV_DBGFLG_DEC, "dec", fmt , ## args)
308 #define IVTV_FB_DEBUG_YUV(fmt, args...) IVTV_FB_DEBUG(IVTV_DBGFLG_YUV, "yuv", fmt , ## args)
310 /* Standard kernel messages */
311 #define IVTV_ERR(fmt, args...) printk(KERN_ERR "ivtv%d: " fmt, itv->num , ## args)
312 #define IVTV_WARN(fmt, args...) printk(KERN_WARNING "ivtv%d: " fmt, itv->num , ## args)
313 #define IVTV_INFO(fmt, args...) printk(KERN_INFO "ivtv%d: " fmt, itv->num , ## args)
314 #define IVTV_FB_ERR(fmt, args...) printk(KERN_ERR "ivtv%d-fb: " fmt, itv->num , ## args)
315 #define IVTV_FB_INFO(fmt, args...) printk(KERN_INFO "ivtv%d-fb: " fmt, itv->num , ## args)
317 /* Values for IVTV_API_DEC_PLAYBACK_SPEED mpeg_frame_type_mask parameter: */
318 #define MPEG_FRAME_TYPE_IFRAME 1
319 #define MPEG_FRAME_TYPE_IFRAME_PFRAME 3
320 #define MPEG_FRAME_TYPE_ALL 7
322 /* output modes (cx23415 only) */
326 #define OUT_UDMA_YUV 3
327 #define OUT_PASSTHROUGH 4
329 #define IVTV_MAX_PGM_INDEX (400)
331 extern int ivtv_debug;
334 struct ivtv_options {
335 int megabytes[IVTV_MAX_STREAMS]; /* Size in megabytes of each stream */
336 int cardtype; /* force card type on load */
337 int tuner; /* set tuner on load */
338 int radio; /* enable/disable radio */
339 int newi2c; /* New I2C algorithm */
342 #define IVTV_MBOX_DMA_START 6
343 #define IVTV_MBOX_DMA_END 8
344 #define IVTV_MBOX_DMA 9
345 #define IVTV_MBOX_FIELD_DISPLAYED 8
347 /* ivtv-specific mailbox template */
348 struct ivtv_mailbox {
353 u32 data[CX2341X_MBOX_MAX_DATA];
356 struct ivtv_api_cache {
357 unsigned long last_jiffies; /* when last command was issued */
358 u32 data[CX2341X_MBOX_MAX_DATA]; /* last sent api data */
361 struct ivtv_mailbox_data {
362 volatile struct ivtv_mailbox __iomem *mbox;
363 /* Bits 0-2 are for the encoder mailboxes, 0-1 are for the decoder mailboxes.
364 If the bit is set, then the corresponding mailbox is in use by the driver. */
369 /* per-buffer bit flags */
370 #define IVTV_F_B_NEED_BUF_SWAP 0 /* this buffer should be byte swapped */
372 /* per-stream, s_flags */
373 #define IVTV_F_S_DMA_PENDING 0 /* this stream has pending DMA */
374 #define IVTV_F_S_DMA_HAS_VBI 1 /* the current DMA request also requests VBI data */
375 #define IVTV_F_S_NEEDS_DATA 2 /* this decoding stream needs more data */
377 #define IVTV_F_S_CLAIMED 3 /* this stream is claimed */
378 #define IVTV_F_S_STREAMING 4 /* the fw is decoding/encoding this stream */
379 #define IVTV_F_S_INTERNAL_USE 5 /* this stream is used internally (sliced VBI processing) */
380 #define IVTV_F_S_PASSTHROUGH 6 /* this stream is in passthrough mode */
381 #define IVTV_F_S_STREAMOFF 7 /* signal end of stream EOS */
382 #define IVTV_F_S_APPL_IO 8 /* this stream is used read/written by an application */
384 /* per-ivtv, i_flags */
385 #define IVTV_F_I_DMA 0 /* DMA in progress */
386 #define IVTV_F_I_UDMA 1 /* UDMA in progress */
387 #define IVTV_F_I_UDMA_PENDING 2 /* UDMA pending */
389 #define IVTV_F_I_SPEED_CHANGE 3 /* A speed change is in progress */
390 #define IVTV_F_I_EOS 4 /* End of encoder stream reached */
391 #define IVTV_F_I_RADIO_USER 5 /* The radio tuner is selected */
392 #define IVTV_F_I_DIG_RST 6 /* Reset digitizer */
393 #define IVTV_F_I_DEC_YUV 7 /* YUV instead of MPG is being decoded */
394 #define IVTV_F_I_ENC_VBI 8 /* VBI DMA */
395 #define IVTV_F_I_UPDATE_CC 9 /* CC should be updated */
396 #define IVTV_F_I_UPDATE_WSS 10 /* WSS should be updated */
397 #define IVTV_F_I_UPDATE_VPS 11 /* VPS should be updated */
398 #define IVTV_F_I_DECODING_YUV 12 /* this stream is YUV frame decoding */
399 #define IVTV_F_I_ENC_PAUSED 13 /* the encoder is paused */
400 #define IVTV_F_I_VALID_DEC_TIMINGS 14 /* last_dec_timing is valid */
402 /* Event notifications */
403 #define IVTV_F_I_EV_DEC_STOPPED 28 /* decoder stopped event */
404 #define IVTV_F_I_EV_VSYNC 29 /* VSYNC event */
405 #define IVTV_F_I_EV_VSYNC_FIELD 30 /* VSYNC event field (0 = first, 1 = second field) */
406 #define IVTV_F_I_EV_VSYNC_ENABLED 31 /* VSYNC event enabled */
408 /* Scatter-Gather array element, used in DMA transfers */
409 struct ivtv_SG_element {
415 struct ivtv_user_dma {
418 struct page *map[IVTV_DMA_SG_OSD_ENT];
420 /* Base Dev SG Array for cx23415/6 */
421 struct ivtv_SG_element SGarray[IVTV_DMA_SG_OSD_ENT];
422 dma_addr_t SG_handle;
425 /* SG List of Buffers */
426 struct scatterlist SGlist[IVTV_DMA_SG_OSD_ENT];
429 struct ivtv_dma_page_info {
439 struct list_head list;
440 dma_addr_t dma_handle;
441 unsigned long b_flags;
449 struct list_head list;
455 struct ivtv; /* forward reference */
458 /* These first four fields are always set, even if the stream
459 is not actually created. */
460 struct video_device *v4l2dev; /* NULL when stream not created */
461 struct ivtv *itv; /* for ease of use */
462 const char *name; /* name of the stream */
463 int type; /* stream type */
466 spinlock_t qlock; /* locks access to the queues */
467 unsigned long s_flags; /* status flags, see above */
468 int dma; /* can be PCI_DMA_TODEVICE,
469 PCI_DMA_FROMDEVICE or
476 wait_queue_head_t waitq;
485 struct ivtv_queue q_free; /* free buffers */
486 struct ivtv_queue q_full; /* full buffers */
487 struct ivtv_queue q_io; /* waiting for I/O */
488 struct ivtv_queue q_dma; /* waiting for DMA */
489 struct ivtv_queue q_predma; /* waiting for DMA */
491 /* Base Dev SG Array for cx23415/6 */
492 struct ivtv_SG_element *SGarray;
493 dma_addr_t SG_handle;
496 /* SG List of Buffers */
497 struct scatterlist *SGlist;
500 struct ivtv_open_id {
506 #define IVTV_YUV_UPDATE_HORIZONTAL 0x01
507 #define IVTV_YUV_UPDATE_VERTICAL 0x02
509 struct yuv_frame_info
532 #define IVTV_YUV_MODE_INTERLACED 0x00
533 #define IVTV_YUV_MODE_PROGRESSIVE 0x01
534 #define IVTV_YUV_MODE_AUTO 0x02
535 #define IVTV_YUV_MODE_MASK 0x03
537 #define IVTV_YUV_SYNC_EVEN 0x00
538 #define IVTV_YUV_SYNC_ODD 0x04
539 #define IVTV_YUV_SYNC_MASK 0x04
541 struct yuv_playback_info
601 int frame_interlaced;
602 int frame_interlaced_last;
606 int lace_threshold_last;
609 atomic_t next_dma_frame;
610 atomic_t next_fill_frame;
612 u32 yuv_forced_update;
614 struct workqueue_struct *work_queues;
615 struct work_struct work_queue;
616 struct yuv_frame_info new_frame_info[4];
617 struct yuv_frame_info old_frame_info;
618 struct yuv_frame_info old_frame_info_args;
621 dma_addr_t blanking_dmaptr;
624 #define IVTV_VBI_FRAMES 32
629 u32 enc_start, enc_size;
634 u8 cc_data_even[256];
642 u32 raw_decoder_line_size;
643 u8 raw_decoder_sav_odd_field;
644 u8 raw_decoder_sav_even_field;
645 u32 sliced_decoder_line_size;
646 u8 sliced_decoder_sav_odd_field;
647 u8 sliced_decoder_sav_even_field;
648 struct v4l2_format in;
649 /* convenience pointer to sliced struct in vbi_in union */
650 struct v4l2_sliced_vbi_format *sliced_in;
655 /* Buffer for the maximum of 2 * 18 * packet_size sliced VBI lines.
656 One for /dev/vbi0 and one for /dev/vbi8 */
657 struct v4l2_sliced_vbi_data sliced_data[36];
658 struct v4l2_sliced_vbi_data sliced_dec_data[36];
660 /* Buffer for VBI data inserted into MPEG stream.
661 The first byte is a dummy byte that's never used.
662 The next 16 bytes contain the MPEG header for the VBI data,
663 the remainder is the actual VBI data.
664 The max size accepted by the MPEG VBI reinsertion turns out
665 to be 1552 bytes, which happens to be 4 + (1 + 42) * (2 * 18) bytes,
666 where 4 is a four byte header, 42 is the max sliced VBI payload, 1 is
667 a single line header byte and 2 * 18 is the number of VBI lines per frame.
669 However, it seems that the data must be 1K aligned, so we have to
670 pad the data until the 1 or 2 K boundary.
672 This pointer array will allocate 2049 bytes to store each VBI frame. */
673 u8 *sliced_mpeg_data[IVTV_VBI_FRAMES];
674 u32 sliced_mpeg_size[IVTV_VBI_FRAMES];
675 struct ivtv_buffer sliced_mpeg_buf;
678 struct workqueue_struct *work_queues;
679 struct work_struct work_queue;
685 /* forward declaration of struct defined in ivtv-cards.h */
688 /* Struct to hold info about ivtv cards */
690 int num; /* board number, -1 during init! */
691 char name[8]; /* board name for printk and interrupts (e.g. 'ivtv0') */
692 struct pci_dev *dev; /* PCI device */
693 const struct ivtv_card *card; /* card information */
694 const char *card_name; /* full name of the card */
695 u8 has_cx23415; /* 1 if it is a cx23415 based card, 0 for cx23416 */
700 u8 pvr150_workaround; /* 1 if the cx25840 needs to workaround a PVR150 bug */
701 u8 nof_inputs; /* number of video inputs */
702 u8 nof_audio_inputs; /* number of audio inputs */
703 u32 v4l2_cap; /* V4L2 capabilities of card */
704 u32 hw_flags; /* Hardware description of the board */
706 /* controlling Video decoder function */
707 int (*video_dec_func)(struct ivtv *, unsigned int, void *);
709 struct ivtv_options options; /* User options */
710 int stream_buf_size[IVTV_MAX_STREAMS]; /* Stream buffer size */
711 struct ivtv_stream streams[IVTV_MAX_STREAMS]; /* Stream data */
714 unsigned long i_flags; /* global ivtv flags */
715 atomic_t capturing; /* count number of active capture streams */
716 atomic_t decoding; /* count number of active decoding streams */
717 u32 irq_rr_idx; /* Round-robin stream index */
718 int cur_dma_stream; /* index of stream doing DMA */
719 u32 dma_data_req_offset;
720 u32 dma_data_req_size;
721 int output_mode; /* NONE, MPG, YUV, UDMA YUV, passthrough */
722 spinlock_t lock; /* lock access to this struct */
723 int search_pack_header;
725 spinlock_t dma_reg_lock; /* lock access to DMA engine registers */
727 /* User based DMA for OSD */
728 struct ivtv_user_dma udma;
730 int open_id; /* incremented each time an open occurs, used as unique ID.
731 starts at 1, so 0 can be used as uninitialized value
732 in the stream->id. */
736 struct timer_list dma_timer; /* Timer used to catch unfinished DMAs */
740 struct ivtv_mailbox_data enc_mbox;
741 struct ivtv_mailbox_data dec_mbox;
742 struct ivtv_api_cache api_cache[256]; /* Cached API Commands */
745 volatile void __iomem *enc_mem, *dec_mem, *reg_mem;
749 u32 pgm_info_write_idx;
750 u32 pgm_info_read_idx;
751 struct v4l2_enc_idx_entry pgm_info[IVTV_MAX_PGM_INDEX];
753 u64 mpg_data_received;
754 u64 vbi_data_inserted;
756 wait_queue_head_t cap_w;
757 /* when the next decoder event arrives this queue is woken up */
758 wait_queue_head_t event_waitq;
759 /* when the next decoder vsync arrives this queue is woken up */
760 wait_queue_head_t vsync_waitq;
761 /* when the current DMA is finished this queue is woken up */
762 wait_queue_head_t dma_waitq;
765 unsigned long osd_video_pbase;
766 int osd_global_alpha_state; /* 0=off : 1=on */
767 int osd_local_alpha_state; /* 0=off : 1=on */
768 int osd_color_key_state; /* 0=off : 1=on */
769 u8 osd_global_alpha; /* Current global alpha */
770 u32 osd_color_key; /* Current color key */
771 u32 osd_pixelformat; /* Current pixel format */
772 struct v4l2_rect osd_rect; /* Current OSD position and size */
773 struct v4l2_rect main_rect; /* Current Main window position and size */
775 u32 last_dec_timing[3]; /* Store last retrieved pts/scr/frame values */
778 struct i2c_adapter i2c_adap;
779 struct i2c_algo_bit_data i2c_algo;
780 struct i2c_client i2c_client;
781 struct mutex i2c_bus_lock;
783 struct i2c_client *i2c_clients[I2C_CLIENTS_MAX];
785 /* v4l2 and User settings */
788 struct cx2341x_mpeg_params params;
794 v4l2_std_id tuner_std; /* The norm of the tuner (fixed) */
795 u8 audio_stereo_mode;
796 u8 audio_bilingual_mode;
799 unsigned long dualwatch_jiffies;
800 u16 dualwatch_stereo_mode;
803 int digitizer; /* 0x00EF = saa7114 0x00FO = saa7115 0x0106 = mic */
807 struct yuv_playback_info yuv_info;
808 struct osd_info *osd_info;
812 extern struct ivtv *ivtv_cards[];
813 extern int ivtv_cards_active;
814 extern int ivtv_first_minor;
815 extern spinlock_t ivtv_cards_lock;
817 /*==============Prototypes==================*/
820 void ivtv_set_irq_mask(struct ivtv *itv, u32 mask);
821 void ivtv_clear_irq_mask(struct ivtv *itv, u32 mask);
823 /* try to set output mode, return current mode. */
824 int ivtv_set_output_mode(struct ivtv *itv, int mode);
826 /* return current output stream based on current mode */
827 struct ivtv_stream *ivtv_get_output_stream(struct ivtv *itv);
829 /* Return non-zero if a signal is pending */
830 int ivtv_sleep_timeout(int timeout, int intr);
832 /* Wait on queue, returns -EINTR if interrupted */
833 int ivtv_waitq(wait_queue_head_t *waitq);
835 /* Read Hauppauge eeprom */
836 struct tveeprom; /* forward reference */
837 void ivtv_read_eeprom(struct ivtv *itv, struct tveeprom *tv);
839 /* This is a PCI post thing, where if the pci register is not read, then
840 the write doesn't always take effect right away. By reading back the
841 register any pending PCI writes will be performed (in order), and so
842 you can be sure that the writes are guaranteed to be done.
844 Rarely needed, only in some timing sensitive cases.
845 Apparently if this is not done some motherboards seem
846 to kill the firmware and get into the broken state until computer is
848 #define write_sync(val, reg) \
849 do { writel(val, reg); readl(reg); } while (0)
851 #define read_reg(reg) readl(itv->reg_mem + (reg))
852 #define write_reg(val, reg) writel(val, itv->reg_mem + (reg))
853 #define write_reg_sync(val, reg) \
854 do { write_reg(val, reg); read_reg(reg); } while (0)
856 #define read_enc(addr) readl(itv->enc_mem + (u32)(addr))
857 #define write_enc(val, addr) writel(val, itv->enc_mem + (u32)(addr))
858 #define write_enc_sync(val, addr) \
859 do { write_enc(val, addr); read_enc(addr); } while (0)
861 #define read_dec(addr) readl(itv->dec_mem + (u32)(addr))
862 #define write_dec(val, addr) writel(val, itv->dec_mem + (u32)(addr))
863 #define write_dec_sync(val, addr) \
864 do { write_dec(val, addr); read_dec(addr); } while (0)
866 #endif /* IVTV_DRIVER_H */