1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 *
4 * Support for a cx23417 mpeg encoder via cx23885 host port.
5 *
6 * (c) 2004 Jelle Foks <jelle@foks.us>
7 * (c) 2004 Gerd Knorr <kraxel@bytesex.org>
8 * (c) 2008 Steven Toth <stoth@linuxtv.org>
9 * - CX23885/7/8 support
10 *
11 * Includes parts from the ivtv driver <http://sourceforge.net/projects/ivtv/>
12 */
13
14 #include "cx23885.h"
15 #include "cx23885-ioctl.h"
16
17 #include <linux/module.h>
18 #include <linux/moduleparam.h>
19 #include <linux/init.h>
20 #include <linux/fs.h>
21 #include <linux/delay.h>
22 #include <linux/device.h>
23 #include <linux/firmware.h>
24 #include <linux/slab.h>
25 #include <media/v4l2-common.h>
26 #include <media/v4l2-ioctl.h>
27 #include <media/drv-intf/cx2341x.h>
28
29 #define CX23885_FIRM_IMAGE_SIZE 376836
30 #define CX23885_FIRM_IMAGE_NAME "v4l-cx23885-enc.fw"
31
32 static unsigned int mpegbufs = 32;
33 module_param(mpegbufs, int, 0644);
34 MODULE_PARM_DESC(mpegbufs, "number of mpeg buffers, range 2-32");
35 static unsigned int mpeglines = 32;
36 module_param(mpeglines, int, 0644);
37 MODULE_PARM_DESC(mpeglines, "number of lines in an MPEG buffer, range 2-32");
38 static unsigned int mpeglinesize = 512;
39 module_param(mpeglinesize, int, 0644);
40 MODULE_PARM_DESC(mpeglinesize,
41 "number of bytes in each line of an MPEG buffer, range 512-1024");
42
43 static unsigned int v4l_debug;
44 module_param(v4l_debug, int, 0644);
45 MODULE_PARM_DESC(v4l_debug, "enable V4L debug messages");
46
47 #define dprintk(level, fmt, arg...)\
48 do { if (v4l_debug >= level) \
49 printk(KERN_DEBUG pr_fmt("%s: 417:" fmt), \
50 __func__, ##arg); \
51 } while (0)
52
53 static struct cx23885_tvnorm cx23885_tvnorms[] = {
54 {
55 .name = "NTSC-M",
56 .id = V4L2_STD_NTSC_M,
57 }, {
58 .name = "NTSC-JP",
59 .id = V4L2_STD_NTSC_M_JP,
60 }, {
61 .name = "PAL-BG",
62 .id = V4L2_STD_PAL_BG,
63 }, {
64 .name = "PAL-DK",
65 .id = V4L2_STD_PAL_DK,
66 }, {
67 .name = "PAL-I",
68 .id = V4L2_STD_PAL_I,
69 }, {
70 .name = "PAL-M",
71 .id = V4L2_STD_PAL_M,
72 }, {
73 .name = "PAL-N",
74 .id = V4L2_STD_PAL_N,
75 }, {
76 .name = "PAL-Nc",
77 .id = V4L2_STD_PAL_Nc,
78 }, {
79 .name = "PAL-60",
80 .id = V4L2_STD_PAL_60,
81 }, {
82 .name = "SECAM-L",
83 .id = V4L2_STD_SECAM_L,
84 }, {
85 .name = "SECAM-DK",
86 .id = V4L2_STD_SECAM_DK,
87 }
88 };
89
90 /* ------------------------------------------------------------------ */
91 enum cx23885_capture_type {
92 CX23885_MPEG_CAPTURE,
93 CX23885_RAW_CAPTURE,
94 CX23885_RAW_PASSTHRU_CAPTURE
95 };
96 enum cx23885_capture_bits {
97 CX23885_RAW_BITS_NONE = 0x00,
98 CX23885_RAW_BITS_YUV_CAPTURE = 0x01,
99 CX23885_RAW_BITS_PCM_CAPTURE = 0x02,
100 CX23885_RAW_BITS_VBI_CAPTURE = 0x04,
101 CX23885_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
102 CX23885_RAW_BITS_TO_HOST_CAPTURE = 0x10
103 };
104 enum cx23885_capture_end {
105 CX23885_END_AT_GOP, /* stop at the end of gop, generate irq */
106 CX23885_END_NOW, /* stop immediately, no irq */
107 };
108 enum cx23885_framerate {
109 CX23885_FRAMERATE_NTSC_30, /* NTSC: 30fps */
110 CX23885_FRAMERATE_PAL_25 /* PAL: 25fps */
111 };
112 enum cx23885_stream_port {
113 CX23885_OUTPUT_PORT_MEMORY,
114 CX23885_OUTPUT_PORT_STREAMING,
115 CX23885_OUTPUT_PORT_SERIAL
116 };
117 enum cx23885_data_xfer_status {
118 CX23885_MORE_BUFFERS_FOLLOW,
119 CX23885_LAST_BUFFER,
120 };
121 enum cx23885_picture_mask {
122 CX23885_PICTURE_MASK_NONE,
123 CX23885_PICTURE_MASK_I_FRAMES,
124 CX23885_PICTURE_MASK_I_P_FRAMES = 0x3,
125 CX23885_PICTURE_MASK_ALL_FRAMES = 0x7,
126 };
127 enum cx23885_vbi_mode_bits {
128 CX23885_VBI_BITS_SLICED,
129 CX23885_VBI_BITS_RAW,
130 };
131 enum cx23885_vbi_insertion_bits {
132 CX23885_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
133 CX23885_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
134 CX23885_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
135 CX23885_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
136 CX23885_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
137 };
138 enum cx23885_dma_unit {
139 CX23885_DMA_BYTES,
140 CX23885_DMA_FRAMES,
141 };
142 enum cx23885_dma_transfer_status_bits {
143 CX23885_DMA_TRANSFER_BITS_DONE = 0x01,
144 CX23885_DMA_TRANSFER_BITS_ERROR = 0x04,
145 CX23885_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
146 };
147 enum cx23885_pause {
148 CX23885_PAUSE_ENCODING,
149 CX23885_RESUME_ENCODING,
150 };
151 enum cx23885_copyright {
152 CX23885_COPYRIGHT_OFF,
153 CX23885_COPYRIGHT_ON,
154 };
155 enum cx23885_notification_type {
156 CX23885_NOTIFICATION_REFRESH,
157 };
158 enum cx23885_notification_status {
159 CX23885_NOTIFICATION_OFF,
160 CX23885_NOTIFICATION_ON,
161 };
162 enum cx23885_notification_mailbox {
163 CX23885_NOTIFICATION_NO_MAILBOX = -1,
164 };
165 enum cx23885_field1_lines {
166 CX23885_FIELD1_SAA7114 = 0x00EF, /* 239 */
167 CX23885_FIELD1_SAA7115 = 0x00F0, /* 240 */
168 CX23885_FIELD1_MICRONAS = 0x0105, /* 261 */
169 };
170 enum cx23885_field2_lines {
171 CX23885_FIELD2_SAA7114 = 0x00EF, /* 239 */
172 CX23885_FIELD2_SAA7115 = 0x00F0, /* 240 */
173 CX23885_FIELD2_MICRONAS = 0x0106, /* 262 */
174 };
175 enum cx23885_custom_data_type {
176 CX23885_CUSTOM_EXTENSION_USR_DATA,
177 CX23885_CUSTOM_PRIVATE_PACKET,
178 };
179 enum cx23885_mute {
180 CX23885_UNMUTE,
181 CX23885_MUTE,
182 };
183 enum cx23885_mute_video_mask {
184 CX23885_MUTE_VIDEO_V_MASK = 0x0000FF00,
185 CX23885_MUTE_VIDEO_U_MASK = 0x00FF0000,
186 CX23885_MUTE_VIDEO_Y_MASK = 0xFF000000,
187 };
188 enum cx23885_mute_video_shift {
189 CX23885_MUTE_VIDEO_V_SHIFT = 8,
190 CX23885_MUTE_VIDEO_U_SHIFT = 16,
191 CX23885_MUTE_VIDEO_Y_SHIFT = 24,
192 };
193
194 /* defines below are from ivtv-driver.h */
195 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
196
197 /* Firmware API commands */
198 #define IVTV_API_STD_TIMEOUT 500
199
200 /* Registers */
201 /* IVTV_REG_OFFSET */
202 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8)
203 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC)
204 #define IVTV_REG_SPU (0x9050)
205 #define IVTV_REG_HW_BLOCKS (0x9054)
206 #define IVTV_REG_VPU (0x9058)
207 #define IVTV_REG_APU (0xA064)
208
209 /**** Bit definitions for MC417_RWD and MC417_OEN registers ***
210 bits 31-16
211 +-----------+
212 | Reserved |
213 +-----------+
214 bit 15 bit 14 bit 13 bit 12 bit 11 bit 10 bit 9 bit 8
215 +-------+-------+-------+-------+-------+-------+-------+-------+
216 | MIWR# | MIRD# | MICS# |MIRDY# |MIADDR3|MIADDR2|MIADDR1|MIADDR0|
217 +-------+-------+-------+-------+-------+-------+-------+-------+
218 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
219 +-------+-------+-------+-------+-------+-------+-------+-------+
220 |MIDATA7|MIDATA6|MIDATA5|MIDATA4|MIDATA3|MIDATA2|MIDATA1|MIDATA0|
221 +-------+-------+-------+-------+-------+-------+-------+-------+
222 ***/
223 #define MC417_MIWR 0x8000
224 #define MC417_MIRD 0x4000
225 #define MC417_MICS 0x2000
226 #define MC417_MIRDY 0x1000
227 #define MC417_MIADDR 0x0F00
228 #define MC417_MIDATA 0x00FF
229
230 /* MIADDR* nibble definitions */
231 #define MCI_MEMORY_DATA_BYTE0 0x000
232 #define MCI_MEMORY_DATA_BYTE1 0x100
233 #define MCI_MEMORY_DATA_BYTE2 0x200
234 #define MCI_MEMORY_DATA_BYTE3 0x300
235 #define MCI_MEMORY_ADDRESS_BYTE2 0x400
236 #define MCI_MEMORY_ADDRESS_BYTE1 0x500
237 #define MCI_MEMORY_ADDRESS_BYTE0 0x600
238 #define MCI_REGISTER_DATA_BYTE0 0x800
239 #define MCI_REGISTER_DATA_BYTE1 0x900
240 #define MCI_REGISTER_DATA_BYTE2 0xA00
241 #define MCI_REGISTER_DATA_BYTE3 0xB00
242 #define MCI_REGISTER_ADDRESS_BYTE0 0xC00
243 #define MCI_REGISTER_ADDRESS_BYTE1 0xD00
244 #define MCI_REGISTER_MODE 0xE00
245
246 /* Read and write modes */
247 #define MCI_MODE_REGISTER_READ 0
248 #define MCI_MODE_REGISTER_WRITE 1
249 #define MCI_MODE_MEMORY_READ 0
250 #define MCI_MODE_MEMORY_WRITE 0x40
251
252 /*** Bit definitions for MC417_CTL register ****
253 bits 31-6 bits 5-4 bit 3 bits 2-1 Bit 0
254 +--------+-------------+--------+--------------+------------+
255 |Reserved|MC417_SPD_CTL|Reserved|MC417_GPIO_SEL|UART_GPIO_EN|
256 +--------+-------------+--------+--------------+------------+
257 ***/
258 #define MC417_SPD_CTL(x) (((x) << 4) & 0x00000030)
259 #define MC417_GPIO_SEL(x) (((x) << 1) & 0x00000006)
260 #define MC417_UART_GPIO_EN 0x00000001
261
262 /* Values for speed control */
263 #define MC417_SPD_CTL_SLOW 0x1
264 #define MC417_SPD_CTL_MEDIUM 0x0
265 #define MC417_SPD_CTL_FAST 0x3 /* b'1x, but we use b'11 */
266
267 /* Values for GPIO select */
268 #define MC417_GPIO_SEL_GPIO3 0x3
269 #define MC417_GPIO_SEL_GPIO2 0x2
270 #define MC417_GPIO_SEL_GPIO1 0x1
271 #define MC417_GPIO_SEL_GPIO0 0x0
272
cx23885_mc417_init(struct cx23885_dev * dev)273 void cx23885_mc417_init(struct cx23885_dev *dev)
274 {
275 u32 regval;
276
277 dprintk(2, "%s()\n", __func__);
278
279 /* Configure MC417_CTL register to defaults. */
280 regval = MC417_SPD_CTL(MC417_SPD_CTL_FAST) |
281 MC417_GPIO_SEL(MC417_GPIO_SEL_GPIO3) |
282 MC417_UART_GPIO_EN;
283 cx_write(MC417_CTL, regval);
284
285 /* Configure MC417_OEN to defaults. */
286 regval = MC417_MIRDY;
287 cx_write(MC417_OEN, regval);
288
289 /* Configure MC417_RWD to defaults. */
290 regval = MC417_MIWR | MC417_MIRD | MC417_MICS;
291 cx_write(MC417_RWD, regval);
292 }
293
mc417_wait_ready(struct cx23885_dev * dev)294 static int mc417_wait_ready(struct cx23885_dev *dev)
295 {
296 u32 mi_ready;
297 unsigned long timeout = jiffies + msecs_to_jiffies(1);
298
299 for (;;) {
300 mi_ready = cx_read(MC417_RWD) & MC417_MIRDY;
301 if (mi_ready != 0)
302 return 0;
303 if (time_after(jiffies, timeout))
304 return -1;
305 udelay(1);
306 }
307 }
308
mc417_register_write(struct cx23885_dev * dev,u16 address,u32 value)309 int mc417_register_write(struct cx23885_dev *dev, u16 address, u32 value)
310 {
311 u32 regval;
312
313 /* Enable MC417 GPIO outputs except for MC417_MIRDY,
314 * which is an input.
315 */
316 cx_write(MC417_OEN, MC417_MIRDY);
317
318 /* Write data byte 0 */
319 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0 |
320 (value & 0x000000FF);
321 cx_write(MC417_RWD, regval);
322
323 /* Transition CS/WR to effect write transaction across bus. */
324 regval |= MC417_MICS | MC417_MIWR;
325 cx_write(MC417_RWD, regval);
326
327 /* Write data byte 1 */
328 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1 |
329 ((value >> 8) & 0x000000FF);
330 cx_write(MC417_RWD, regval);
331 regval |= MC417_MICS | MC417_MIWR;
332 cx_write(MC417_RWD, regval);
333
334 /* Write data byte 2 */
335 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2 |
336 ((value >> 16) & 0x000000FF);
337 cx_write(MC417_RWD, regval);
338 regval |= MC417_MICS | MC417_MIWR;
339 cx_write(MC417_RWD, regval);
340
341 /* Write data byte 3 */
342 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3 |
343 ((value >> 24) & 0x000000FF);
344 cx_write(MC417_RWD, regval);
345 regval |= MC417_MICS | MC417_MIWR;
346 cx_write(MC417_RWD, regval);
347
348 /* Write address byte 0 */
349 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE0 |
350 (address & 0xFF);
351 cx_write(MC417_RWD, regval);
352 regval |= MC417_MICS | MC417_MIWR;
353 cx_write(MC417_RWD, regval);
354
355 /* Write address byte 1 */
356 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE1 |
357 ((address >> 8) & 0xFF);
358 cx_write(MC417_RWD, regval);
359 regval |= MC417_MICS | MC417_MIWR;
360 cx_write(MC417_RWD, regval);
361
362 /* Indicate that this is a write. */
363 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_MODE |
364 MCI_MODE_REGISTER_WRITE;
365 cx_write(MC417_RWD, regval);
366 regval |= MC417_MICS | MC417_MIWR;
367 cx_write(MC417_RWD, regval);
368
369 /* Wait for the trans to complete (MC417_MIRDY asserted). */
370 return mc417_wait_ready(dev);
371 }
372
mc417_register_read(struct cx23885_dev * dev,u16 address,u32 * value)373 int mc417_register_read(struct cx23885_dev *dev, u16 address, u32 *value)
374 {
375 int retval;
376 u32 regval;
377 u32 tempval;
378 u32 dataval;
379
380 /* Enable MC417 GPIO outputs except for MC417_MIRDY,
381 * which is an input.
382 */
383 cx_write(MC417_OEN, MC417_MIRDY);
384
385 /* Write address byte 0 */
386 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE0 |
387 ((address & 0x00FF));
388 cx_write(MC417_RWD, regval);
389 regval |= MC417_MICS | MC417_MIWR;
390 cx_write(MC417_RWD, regval);
391
392 /* Write address byte 1 */
393 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE1 |
394 ((address >> 8) & 0xFF);
395 cx_write(MC417_RWD, regval);
396 regval |= MC417_MICS | MC417_MIWR;
397 cx_write(MC417_RWD, regval);
398
399 /* Indicate that this is a register read. */
400 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_MODE |
401 MCI_MODE_REGISTER_READ;
402 cx_write(MC417_RWD, regval);
403 regval |= MC417_MICS | MC417_MIWR;
404 cx_write(MC417_RWD, regval);
405
406 /* Wait for the trans to complete (MC417_MIRDY asserted). */
407 retval = mc417_wait_ready(dev);
408
409 /* switch the DAT0-7 GPIO[10:3] to input mode */
410 cx_write(MC417_OEN, MC417_MIRDY | MC417_MIDATA);
411
412 /* Read data byte 0 */
413 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0;
414 cx_write(MC417_RWD, regval);
415
416 /* Transition RD to effect read transaction across bus.
417 * Transition 0x5000 -> 0x9000 correct (RD/RDY -> WR/RDY)?
418 * Should it be 0x9000 -> 0xF000 (also why is RDY being set, its
419 * input only...)
420 */
421 regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0;
422 cx_write(MC417_RWD, regval);
423
424 /* Collect byte */
425 tempval = cx_read(MC417_RWD);
426 dataval = tempval & 0x000000FF;
427
428 /* Bring CS and RD high. */
429 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
430 cx_write(MC417_RWD, regval);
431
432 /* Read data byte 1 */
433 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1;
434 cx_write(MC417_RWD, regval);
435 regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1;
436 cx_write(MC417_RWD, regval);
437 tempval = cx_read(MC417_RWD);
438 dataval |= ((tempval & 0x000000FF) << 8);
439 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
440 cx_write(MC417_RWD, regval);
441
442 /* Read data byte 2 */
443 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2;
444 cx_write(MC417_RWD, regval);
445 regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2;
446 cx_write(MC417_RWD, regval);
447 tempval = cx_read(MC417_RWD);
448 dataval |= ((tempval & 0x000000FF) << 16);
449 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
450 cx_write(MC417_RWD, regval);
451
452 /* Read data byte 3 */
453 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3;
454 cx_write(MC417_RWD, regval);
455 regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3;
456 cx_write(MC417_RWD, regval);
457 tempval = cx_read(MC417_RWD);
458 dataval |= ((tempval & 0x000000FF) << 24);
459 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
460 cx_write(MC417_RWD, regval);
461
462 *value = dataval;
463
464 return retval;
465 }
466
mc417_memory_write(struct cx23885_dev * dev,u32 address,u32 value)467 int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value)
468 {
469 u32 regval;
470
471 /* Enable MC417 GPIO outputs except for MC417_MIRDY,
472 * which is an input.
473 */
474 cx_write(MC417_OEN, MC417_MIRDY);
475
476 /* Write data byte 0 */
477 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0 |
478 (value & 0x000000FF);
479 cx_write(MC417_RWD, regval);
480
481 /* Transition CS/WR to effect write transaction across bus. */
482 regval |= MC417_MICS | MC417_MIWR;
483 cx_write(MC417_RWD, regval);
484
485 /* Write data byte 1 */
486 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1 |
487 ((value >> 8) & 0x000000FF);
488 cx_write(MC417_RWD, regval);
489 regval |= MC417_MICS | MC417_MIWR;
490 cx_write(MC417_RWD, regval);
491
492 /* Write data byte 2 */
493 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2 |
494 ((value >> 16) & 0x000000FF);
495 cx_write(MC417_RWD, regval);
496 regval |= MC417_MICS | MC417_MIWR;
497 cx_write(MC417_RWD, regval);
498
499 /* Write data byte 3 */
500 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3 |
501 ((value >> 24) & 0x000000FF);
502 cx_write(MC417_RWD, regval);
503 regval |= MC417_MICS | MC417_MIWR;
504 cx_write(MC417_RWD, regval);
505
506 /* Write address byte 2 */
507 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE2 |
508 MCI_MODE_MEMORY_WRITE | ((address >> 16) & 0x3F);
509 cx_write(MC417_RWD, regval);
510 regval |= MC417_MICS | MC417_MIWR;
511 cx_write(MC417_RWD, regval);
512
513 /* Write address byte 1 */
514 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE1 |
515 ((address >> 8) & 0xFF);
516 cx_write(MC417_RWD, regval);
517 regval |= MC417_MICS | MC417_MIWR;
518 cx_write(MC417_RWD, regval);
519
520 /* Write address byte 0 */
521 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE0 |
522 (address & 0xFF);
523 cx_write(MC417_RWD, regval);
524 regval |= MC417_MICS | MC417_MIWR;
525 cx_write(MC417_RWD, regval);
526
527 /* Wait for the trans to complete (MC417_MIRDY asserted). */
528 return mc417_wait_ready(dev);
529 }
530
mc417_memory_read(struct cx23885_dev * dev,u32 address,u32 * value)531 int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value)
532 {
533 int retval;
534 u32 regval;
535 u32 tempval;
536 u32 dataval;
537
538 /* Enable MC417 GPIO outputs except for MC417_MIRDY,
539 * which is an input.
540 */
541 cx_write(MC417_OEN, MC417_MIRDY);
542
543 /* Write address byte 2 */
544 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE2 |
545 MCI_MODE_MEMORY_READ | ((address >> 16) & 0x3F);
546 cx_write(MC417_RWD, regval);
547 regval |= MC417_MICS | MC417_MIWR;
548 cx_write(MC417_RWD, regval);
549
550 /* Write address byte 1 */
551 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE1 |
552 ((address >> 8) & 0xFF);
553 cx_write(MC417_RWD, regval);
554 regval |= MC417_MICS | MC417_MIWR;
555 cx_write(MC417_RWD, regval);
556
557 /* Write address byte 0 */
558 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE0 |
559 (address & 0xFF);
560 cx_write(MC417_RWD, regval);
561 regval |= MC417_MICS | MC417_MIWR;
562 cx_write(MC417_RWD, regval);
563
564 /* Wait for the trans to complete (MC417_MIRDY asserted). */
565 retval = mc417_wait_ready(dev);
566
567 /* switch the DAT0-7 GPIO[10:3] to input mode */
568 cx_write(MC417_OEN, MC417_MIRDY | MC417_MIDATA);
569
570 /* Read data byte 3 */
571 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3;
572 cx_write(MC417_RWD, regval);
573
574 /* Transition RD to effect read transaction across bus. */
575 regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3;
576 cx_write(MC417_RWD, regval);
577
578 /* Collect byte */
579 tempval = cx_read(MC417_RWD);
580 dataval = ((tempval & 0x000000FF) << 24);
581
582 /* Bring CS and RD high. */
583 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
584 cx_write(MC417_RWD, regval);
585
586 /* Read data byte 2 */
587 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2;
588 cx_write(MC417_RWD, regval);
589 regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2;
590 cx_write(MC417_RWD, regval);
591 tempval = cx_read(MC417_RWD);
592 dataval |= ((tempval & 0x000000FF) << 16);
593 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
594 cx_write(MC417_RWD, regval);
595
596 /* Read data byte 1 */
597 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1;
598 cx_write(MC417_RWD, regval);
599 regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1;
600 cx_write(MC417_RWD, regval);
601 tempval = cx_read(MC417_RWD);
602 dataval |= ((tempval & 0x000000FF) << 8);
603 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
604 cx_write(MC417_RWD, regval);
605
606 /* Read data byte 0 */
607 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0;
608 cx_write(MC417_RWD, regval);
609 regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0;
610 cx_write(MC417_RWD, regval);
611 tempval = cx_read(MC417_RWD);
612 dataval |= (tempval & 0x000000FF);
613 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
614 cx_write(MC417_RWD, regval);
615
616 *value = dataval;
617
618 return retval;
619 }
620
mc417_gpio_set(struct cx23885_dev * dev,u32 mask)621 void mc417_gpio_set(struct cx23885_dev *dev, u32 mask)
622 {
623 u32 val;
624
625 /* Set the gpio value */
626 mc417_register_read(dev, 0x900C, &val);
627 val |= (mask & 0x000ffff);
628 mc417_register_write(dev, 0x900C, val);
629 }
630
mc417_gpio_clear(struct cx23885_dev * dev,u32 mask)631 void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask)
632 {
633 u32 val;
634
635 /* Clear the gpio value */
636 mc417_register_read(dev, 0x900C, &val);
637 val &= ~(mask & 0x0000ffff);
638 mc417_register_write(dev, 0x900C, val);
639 }
640
mc417_gpio_enable(struct cx23885_dev * dev,u32 mask,int asoutput)641 void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput)
642 {
643 u32 val;
644
645 /* Enable GPIO direction bits */
646 mc417_register_read(dev, 0x9020, &val);
647 if (asoutput)
648 val |= (mask & 0x0000ffff);
649 else
650 val &= ~(mask & 0x0000ffff);
651
652 mc417_register_write(dev, 0x9020, val);
653 }
654 /* ------------------------------------------------------------------ */
655
656 /* MPEG encoder API */
cmd_to_str(int cmd)657 static char *cmd_to_str(int cmd)
658 {
659 switch (cmd) {
660 case CX2341X_ENC_PING_FW:
661 return "PING_FW";
662 case CX2341X_ENC_START_CAPTURE:
663 return "START_CAPTURE";
664 case CX2341X_ENC_STOP_CAPTURE:
665 return "STOP_CAPTURE";
666 case CX2341X_ENC_SET_AUDIO_ID:
667 return "SET_AUDIO_ID";
668 case CX2341X_ENC_SET_VIDEO_ID:
669 return "SET_VIDEO_ID";
670 case CX2341X_ENC_SET_PCR_ID:
671 return "SET_PCR_ID";
672 case CX2341X_ENC_SET_FRAME_RATE:
673 return "SET_FRAME_RATE";
674 case CX2341X_ENC_SET_FRAME_SIZE:
675 return "SET_FRAME_SIZE";
676 case CX2341X_ENC_SET_BIT_RATE:
677 return "SET_BIT_RATE";
678 case CX2341X_ENC_SET_GOP_PROPERTIES:
679 return "SET_GOP_PROPERTIES";
680 case CX2341X_ENC_SET_ASPECT_RATIO:
681 return "SET_ASPECT_RATIO";
682 case CX2341X_ENC_SET_DNR_FILTER_MODE:
683 return "SET_DNR_FILTER_MODE";
684 case CX2341X_ENC_SET_DNR_FILTER_PROPS:
685 return "SET_DNR_FILTER_PROPS";
686 case CX2341X_ENC_SET_CORING_LEVELS:
687 return "SET_CORING_LEVELS";
688 case CX2341X_ENC_SET_SPATIAL_FILTER_TYPE:
689 return "SET_SPATIAL_FILTER_TYPE";
690 case CX2341X_ENC_SET_VBI_LINE:
691 return "SET_VBI_LINE";
692 case CX2341X_ENC_SET_STREAM_TYPE:
693 return "SET_STREAM_TYPE";
694 case CX2341X_ENC_SET_OUTPUT_PORT:
695 return "SET_OUTPUT_PORT";
696 case CX2341X_ENC_SET_AUDIO_PROPERTIES:
697 return "SET_AUDIO_PROPERTIES";
698 case CX2341X_ENC_HALT_FW:
699 return "HALT_FW";
700 case CX2341X_ENC_GET_VERSION:
701 return "GET_VERSION";
702 case CX2341X_ENC_SET_GOP_CLOSURE:
703 return "SET_GOP_CLOSURE";
704 case CX2341X_ENC_GET_SEQ_END:
705 return "GET_SEQ_END";
706 case CX2341X_ENC_SET_PGM_INDEX_INFO:
707 return "SET_PGM_INDEX_INFO";
708 case CX2341X_ENC_SET_VBI_CONFIG:
709 return "SET_VBI_CONFIG";
710 case CX2341X_ENC_SET_DMA_BLOCK_SIZE:
711 return "SET_DMA_BLOCK_SIZE";
712 case CX2341X_ENC_GET_PREV_DMA_INFO_MB_10:
713 return "GET_PREV_DMA_INFO_MB_10";
714 case CX2341X_ENC_GET_PREV_DMA_INFO_MB_9:
715 return "GET_PREV_DMA_INFO_MB_9";
716 case CX2341X_ENC_SCHED_DMA_TO_HOST:
717 return "SCHED_DMA_TO_HOST";
718 case CX2341X_ENC_INITIALIZE_INPUT:
719 return "INITIALIZE_INPUT";
720 case CX2341X_ENC_SET_FRAME_DROP_RATE:
721 return "SET_FRAME_DROP_RATE";
722 case CX2341X_ENC_PAUSE_ENCODER:
723 return "PAUSE_ENCODER";
724 case CX2341X_ENC_REFRESH_INPUT:
725 return "REFRESH_INPUT";
726 case CX2341X_ENC_SET_COPYRIGHT:
727 return "SET_COPYRIGHT";
728 case CX2341X_ENC_SET_EVENT_NOTIFICATION:
729 return "SET_EVENT_NOTIFICATION";
730 case CX2341X_ENC_SET_NUM_VSYNC_LINES:
731 return "SET_NUM_VSYNC_LINES";
732 case CX2341X_ENC_SET_PLACEHOLDER:
733 return "SET_PLACEHOLDER";
734 case CX2341X_ENC_MUTE_VIDEO:
735 return "MUTE_VIDEO";
736 case CX2341X_ENC_MUTE_AUDIO:
737 return "MUTE_AUDIO";
738 case CX2341X_ENC_MISC:
739 return "MISC";
740 default:
741 return "UNKNOWN";
742 }
743 }
744
cx23885_mbox_func(void * priv,u32 command,int in,int out,u32 data[CX2341X_MBOX_MAX_DATA])745 static int cx23885_mbox_func(void *priv,
746 u32 command,
747 int in,
748 int out,
749 u32 data[CX2341X_MBOX_MAX_DATA])
750 {
751 struct cx23885_dev *dev = priv;
752 unsigned long timeout;
753 u32 value, flag, retval = 0;
754 int i;
755
756 dprintk(3, "%s: command(0x%X) = %s\n", __func__, command,
757 cmd_to_str(command));
758
759 /* this may not be 100% safe if we can't read any memory location
760 without side effects */
761 mc417_memory_read(dev, dev->cx23417_mailbox - 4, &value);
762 if (value != 0x12345678) {
763 pr_err("Firmware and/or mailbox pointer not initialized or corrupted, signature = 0x%x, cmd = %s\n",
764 value, cmd_to_str(command));
765 return -1;
766 }
767
768 /* This read looks at 32 bits, but flag is only 8 bits.
769 * Seems we also bail if CMD or TIMEOUT bytes are set???
770 */
771 mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
772 if (flag) {
773 pr_err("ERROR: Mailbox appears to be in use (%x), cmd = %s\n",
774 flag, cmd_to_str(command));
775 return -1;
776 }
777
778 flag |= 1; /* tell 'em we're working on it */
779 mc417_memory_write(dev, dev->cx23417_mailbox, flag);
780
781 /* write command + args + fill remaining with zeros */
782 /* command code */
783 mc417_memory_write(dev, dev->cx23417_mailbox + 1, command);
784 mc417_memory_write(dev, dev->cx23417_mailbox + 3,
785 IVTV_API_STD_TIMEOUT); /* timeout */
786 for (i = 0; i < in; i++) {
787 mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, data[i]);
788 dprintk(3, "API Input %d = %d\n", i, data[i]);
789 }
790 for (; i < CX2341X_MBOX_MAX_DATA; i++)
791 mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, 0);
792
793 flag |= 3; /* tell 'em we're done writing */
794 mc417_memory_write(dev, dev->cx23417_mailbox, flag);
795
796 /* wait for firmware to handle the API command */
797 timeout = jiffies + msecs_to_jiffies(10);
798 for (;;) {
799 mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
800 if (0 != (flag & 4))
801 break;
802 if (time_after(jiffies, timeout)) {
803 pr_err("ERROR: API Mailbox timeout\n");
804 return -1;
805 }
806 udelay(10);
807 }
808
809 /* read output values */
810 for (i = 0; i < out; i++) {
811 mc417_memory_read(dev, dev->cx23417_mailbox + 4 + i, data + i);
812 dprintk(3, "API Output %d = %d\n", i, data[i]);
813 }
814
815 mc417_memory_read(dev, dev->cx23417_mailbox + 2, &retval);
816 dprintk(3, "API result = %d\n", retval);
817
818 flag = 0;
819 mc417_memory_write(dev, dev->cx23417_mailbox, flag);
820
821 return retval;
822 }
823
824 /* We don't need to call the API often, so using just one
825 * mailbox will probably suffice
826 */
cx23885_api_cmd(struct cx23885_dev * dev,u32 command,u32 inputcnt,u32 outputcnt,...)827 static int cx23885_api_cmd(struct cx23885_dev *dev,
828 u32 command,
829 u32 inputcnt,
830 u32 outputcnt,
831 ...)
832 {
833 u32 data[CX2341X_MBOX_MAX_DATA];
834 va_list vargs;
835 int i, err;
836
837 dprintk(3, "%s() cmds = 0x%08x\n", __func__, command);
838
839 va_start(vargs, outputcnt);
840 for (i = 0; i < inputcnt; i++)
841 data[i] = va_arg(vargs, int);
842
843 err = cx23885_mbox_func(dev, command, inputcnt, outputcnt, data);
844 for (i = 0; i < outputcnt; i++) {
845 int *vptr = va_arg(vargs, int *);
846 *vptr = data[i];
847 }
848 va_end(vargs);
849
850 return err;
851 }
852
cx23885_api_func(void * priv,u32 cmd,int in,int out,u32 data[CX2341X_MBOX_MAX_DATA])853 static int cx23885_api_func(void *priv, u32 cmd, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
854 {
855 return cx23885_mbox_func(priv, cmd, in, out, data);
856 }
857
cx23885_find_mailbox(struct cx23885_dev * dev)858 static int cx23885_find_mailbox(struct cx23885_dev *dev)
859 {
860 u32 signature[4] = {
861 0x12345678, 0x34567812, 0x56781234, 0x78123456
862 };
863 int signaturecnt = 0;
864 u32 value;
865 int i;
866
867 dprintk(2, "%s()\n", __func__);
868
869 for (i = 0; i < CX23885_FIRM_IMAGE_SIZE; i++) {
870 mc417_memory_read(dev, i, &value);
871 if (value == signature[signaturecnt])
872 signaturecnt++;
873 else
874 signaturecnt = 0;
875 if (4 == signaturecnt) {
876 dprintk(1, "Mailbox signature found at 0x%x\n", i+1);
877 return i+1;
878 }
879 }
880 pr_err("Mailbox signature values not found!\n");
881 return -1;
882 }
883
cx23885_load_firmware(struct cx23885_dev * dev)884 static int cx23885_load_firmware(struct cx23885_dev *dev)
885 {
886 static const unsigned char magic[8] = {
887 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
888 };
889 const struct firmware *firmware;
890 int i, retval = 0;
891 u32 value = 0;
892 u32 gpio_output = 0;
893 u32 gpio_value;
894 u32 checksum = 0;
895 u32 *dataptr;
896
897 dprintk(2, "%s()\n", __func__);
898
899 /* Save GPIO settings before reset of APU */
900 retval |= mc417_memory_read(dev, 0x9020, &gpio_output);
901 retval |= mc417_memory_read(dev, 0x900C, &gpio_value);
902
903 retval = mc417_register_write(dev,
904 IVTV_REG_VPU, 0xFFFFFFED);
905 retval |= mc417_register_write(dev,
906 IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
907 retval |= mc417_register_write(dev,
908 IVTV_REG_ENC_SDRAM_REFRESH, 0x80000800);
909 retval |= mc417_register_write(dev,
910 IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
911 retval |= mc417_register_write(dev,
912 IVTV_REG_APU, 0);
913
914 if (retval != 0) {
915 pr_err("%s: Error with mc417_register_write\n",
916 __func__);
917 return -1;
918 }
919
920 retval = request_firmware(&firmware, CX23885_FIRM_IMAGE_NAME,
921 &dev->pci->dev);
922
923 if (retval != 0) {
924 pr_err("ERROR: Hotplug firmware request failed (%s).\n",
925 CX23885_FIRM_IMAGE_NAME);
926 pr_err("Please fix your hotplug setup, the board will not work without firmware loaded!\n");
927 return -1;
928 }
929
930 if (firmware->size != CX23885_FIRM_IMAGE_SIZE) {
931 pr_err("ERROR: Firmware size mismatch (have %zu, expected %d)\n",
932 firmware->size, CX23885_FIRM_IMAGE_SIZE);
933 release_firmware(firmware);
934 return -1;
935 }
936
937 if (0 != memcmp(firmware->data, magic, 8)) {
938 pr_err("ERROR: Firmware magic mismatch, wrong file?\n");
939 release_firmware(firmware);
940 return -1;
941 }
942
943 /* transfer to the chip */
944 dprintk(2, "Loading firmware ...\n");
945 dataptr = (u32 *)firmware->data;
946 for (i = 0; i < (firmware->size >> 2); i++) {
947 value = *dataptr;
948 checksum += ~value;
949 if (mc417_memory_write(dev, i, value) != 0) {
950 pr_err("ERROR: Loading firmware failed!\n");
951 release_firmware(firmware);
952 return -1;
953 }
954 dataptr++;
955 }
956
957 /* read back to verify with the checksum */
958 dprintk(1, "Verifying firmware ...\n");
959 for (i--; i >= 0; i--) {
960 if (mc417_memory_read(dev, i, &value) != 0) {
961 pr_err("ERROR: Reading firmware failed!\n");
962 release_firmware(firmware);
963 return -1;
964 }
965 checksum -= ~value;
966 }
967 if (checksum) {
968 pr_err("ERROR: Firmware load failed (checksum mismatch).\n");
969 release_firmware(firmware);
970 return -1;
971 }
972 release_firmware(firmware);
973 dprintk(1, "Firmware upload successful.\n");
974
975 retval |= mc417_register_write(dev, IVTV_REG_HW_BLOCKS,
976 IVTV_CMD_HW_BLOCKS_RST);
977
978 /* F/W power up disturbs the GPIOs, restore state */
979 retval |= mc417_register_write(dev, 0x9020, gpio_output);
980 retval |= mc417_register_write(dev, 0x900C, gpio_value);
981
982 retval |= mc417_register_read(dev, IVTV_REG_VPU, &value);
983 retval |= mc417_register_write(dev, IVTV_REG_VPU, value & 0xFFFFFFE8);
984
985 /* Hardcoded GPIO's here */
986 retval |= mc417_register_write(dev, 0x9020, 0x4000);
987 retval |= mc417_register_write(dev, 0x900C, 0x4000);
988
989 mc417_register_read(dev, 0x9020, &gpio_output);
990 mc417_register_read(dev, 0x900C, &gpio_value);
991
992 if (retval < 0)
993 pr_err("%s: Error with mc417_register_write\n",
994 __func__);
995 return 0;
996 }
997
cx23885_417_check_encoder(struct cx23885_dev * dev)998 void cx23885_417_check_encoder(struct cx23885_dev *dev)
999 {
1000 u32 status, seq;
1001
1002 status = seq = 0;
1003 cx23885_api_cmd(dev, CX2341X_ENC_GET_SEQ_END, 0, 2, &status, &seq);
1004 dprintk(1, "%s() status = %d, seq = %d\n", __func__, status, seq);
1005 }
1006
cx23885_codec_settings(struct cx23885_dev * dev)1007 static void cx23885_codec_settings(struct cx23885_dev *dev)
1008 {
1009 dprintk(1, "%s()\n", __func__);
1010
1011 /* Dynamically change the height based on video standard */
1012 if (dev->encodernorm.id & V4L2_STD_525_60)
1013 dev->ts1.height = 480;
1014 else
1015 dev->ts1.height = 576;
1016
1017 /* assign frame size */
1018 cx23885_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
1019 dev->ts1.height, dev->ts1.width);
1020
1021 dev->cxhdl.width = dev->ts1.width;
1022 dev->cxhdl.height = dev->ts1.height;
1023 dev->cxhdl.is_50hz =
1024 (dev->encodernorm.id & V4L2_STD_625_50) != 0;
1025
1026 cx2341x_handler_setup(&dev->cxhdl);
1027
1028 cx23885_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 3, 1);
1029 cx23885_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 4, 1);
1030 }
1031
cx23885_initialize_codec(struct cx23885_dev * dev,int startencoder)1032 static int cx23885_initialize_codec(struct cx23885_dev *dev, int startencoder)
1033 {
1034 int version;
1035 int retval;
1036 u32 i, data[7];
1037
1038 dprintk(1, "%s()\n", __func__);
1039
1040 retval = cx23885_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
1041 if (retval < 0) {
1042 dprintk(2, "%s() PING OK\n", __func__);
1043 retval = cx23885_load_firmware(dev);
1044 if (retval < 0) {
1045 pr_err("%s() f/w load failed\n", __func__);
1046 return retval;
1047 }
1048 retval = cx23885_find_mailbox(dev);
1049 if (retval < 0) {
1050 pr_err("%s() mailbox < 0, error\n",
1051 __func__);
1052 return -1;
1053 }
1054 dev->cx23417_mailbox = retval;
1055 retval = cx23885_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
1056 if (retval < 0) {
1057 pr_err("ERROR: cx23417 firmware ping failed!\n");
1058 return -1;
1059 }
1060 retval = cx23885_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1,
1061 &version);
1062 if (retval < 0) {
1063 pr_err("ERROR: cx23417 firmware get encoder :version failed!\n");
1064 return -1;
1065 }
1066 dprintk(1, "cx23417 firmware version is 0x%08x\n", version);
1067 msleep(200);
1068 }
1069
1070 cx23885_codec_settings(dev);
1071 msleep(60);
1072
1073 cx23885_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
1074 CX23885_FIELD1_SAA7115, CX23885_FIELD2_SAA7115);
1075 cx23885_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
1076 CX23885_CUSTOM_EXTENSION_USR_DATA, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1077 0, 0);
1078
1079 /* Setup to capture VBI */
1080 data[0] = 0x0001BD00;
1081 data[1] = 1; /* frames per interrupt */
1082 data[2] = 4; /* total bufs */
1083 data[3] = 0x91559155; /* start codes */
1084 data[4] = 0x206080C0; /* stop codes */
1085 data[5] = 6; /* lines */
1086 data[6] = 64; /* BPL */
1087
1088 cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_CONFIG, 7, 0, data[0], data[1],
1089 data[2], data[3], data[4], data[5], data[6]);
1090
1091 for (i = 2; i <= 24; i++) {
1092 int valid;
1093
1094 valid = ((i >= 19) && (i <= 21));
1095 cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0, i,
1096 valid, 0 , 0, 0);
1097 cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0,
1098 i | 0x80000000, valid, 0, 0, 0);
1099 }
1100
1101 cx23885_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, CX23885_UNMUTE);
1102 msleep(60);
1103
1104 /* initialize the video input */
1105 cx23885_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
1106 msleep(60);
1107
1108 /* Enable VIP style pixel invalidation so we work with scaled mode */
1109 mc417_memory_write(dev, 2120, 0x00000080);
1110
1111 /* start capturing to the host interface */
1112 if (startencoder) {
1113 cx23885_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
1114 CX23885_MPEG_CAPTURE, CX23885_RAW_BITS_NONE);
1115 msleep(10);
1116 }
1117
1118 return 0;
1119 }
1120
1121 /* ------------------------------------------------------------------ */
1122
queue_setup(struct vb2_queue * q,unsigned int * num_buffers,unsigned int * num_planes,unsigned int sizes[],struct device * alloc_devs[])1123 static int queue_setup(struct vb2_queue *q,
1124 unsigned int *num_buffers, unsigned int *num_planes,
1125 unsigned int sizes[], struct device *alloc_devs[])
1126 {
1127 struct cx23885_dev *dev = q->drv_priv;
1128
1129 dev->ts1.ts_packet_size = mpeglinesize;
1130 dev->ts1.ts_packet_count = mpeglines;
1131 *num_planes = 1;
1132 sizes[0] = mpeglinesize * mpeglines;
1133 *num_buffers = mpegbufs;
1134 return 0;
1135 }
1136
buffer_prepare(struct vb2_buffer * vb)1137 static int buffer_prepare(struct vb2_buffer *vb)
1138 {
1139 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1140 struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
1141 struct cx23885_buffer *buf =
1142 container_of(vbuf, struct cx23885_buffer, vb);
1143
1144 return cx23885_buf_prepare(buf, &dev->ts1);
1145 }
1146
buffer_finish(struct vb2_buffer * vb)1147 static void buffer_finish(struct vb2_buffer *vb)
1148 {
1149 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1150 struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
1151 struct cx23885_buffer *buf = container_of(vbuf,
1152 struct cx23885_buffer, vb);
1153
1154 cx23885_free_buffer(dev, buf);
1155 }
1156
buffer_queue(struct vb2_buffer * vb)1157 static void buffer_queue(struct vb2_buffer *vb)
1158 {
1159 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1160 struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
1161 struct cx23885_buffer *buf = container_of(vbuf,
1162 struct cx23885_buffer, vb);
1163
1164 cx23885_buf_queue(&dev->ts1, buf);
1165 }
1166
cx23885_start_streaming(struct vb2_queue * q,unsigned int count)1167 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count)
1168 {
1169 struct cx23885_dev *dev = q->drv_priv;
1170 struct cx23885_dmaqueue *dmaq = &dev->ts1.mpegq;
1171 unsigned long flags;
1172 int ret;
1173
1174 ret = cx23885_initialize_codec(dev, 1);
1175 if (ret == 0) {
1176 struct cx23885_buffer *buf = list_entry(dmaq->active.next,
1177 struct cx23885_buffer, queue);
1178
1179 cx23885_start_dma(&dev->ts1, dmaq, buf);
1180 return 0;
1181 }
1182 spin_lock_irqsave(&dev->slock, flags);
1183 while (!list_empty(&dmaq->active)) {
1184 struct cx23885_buffer *buf = list_entry(dmaq->active.next,
1185 struct cx23885_buffer, queue);
1186
1187 list_del(&buf->queue);
1188 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED);
1189 }
1190 spin_unlock_irqrestore(&dev->slock, flags);
1191 return ret;
1192 }
1193
cx23885_stop_streaming(struct vb2_queue * q)1194 static void cx23885_stop_streaming(struct vb2_queue *q)
1195 {
1196 struct cx23885_dev *dev = q->drv_priv;
1197
1198 /* stop mpeg capture */
1199 cx23885_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1200 CX23885_END_NOW, CX23885_MPEG_CAPTURE,
1201 CX23885_RAW_BITS_NONE);
1202
1203 msleep(500);
1204 cx23885_417_check_encoder(dev);
1205 cx23885_cancel_buffers(&dev->ts1);
1206 }
1207
1208 static const struct vb2_ops cx23885_qops = {
1209 .queue_setup = queue_setup,
1210 .buf_prepare = buffer_prepare,
1211 .buf_finish = buffer_finish,
1212 .buf_queue = buffer_queue,
1213 .wait_prepare = vb2_ops_wait_prepare,
1214 .wait_finish = vb2_ops_wait_finish,
1215 .start_streaming = cx23885_start_streaming,
1216 .stop_streaming = cx23885_stop_streaming,
1217 };
1218
1219 /* ------------------------------------------------------------------ */
1220
vidioc_g_std(struct file * file,void * priv,v4l2_std_id * id)1221 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
1222 {
1223 struct cx23885_dev *dev = video_drvdata(file);
1224
1225 *id = dev->tvnorm;
1226 return 0;
1227 }
1228
vidioc_s_std(struct file * file,void * priv,v4l2_std_id id)1229 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
1230 {
1231 struct cx23885_dev *dev = video_drvdata(file);
1232 unsigned int i;
1233 int ret;
1234
1235 for (i = 0; i < ARRAY_SIZE(cx23885_tvnorms); i++)
1236 if (id & cx23885_tvnorms[i].id)
1237 break;
1238 if (i == ARRAY_SIZE(cx23885_tvnorms))
1239 return -EINVAL;
1240
1241 ret = cx23885_set_tvnorm(dev, id);
1242 if (!ret)
1243 dev->encodernorm = cx23885_tvnorms[i];
1244 return ret;
1245 }
1246
vidioc_enum_input(struct file * file,void * priv,struct v4l2_input * i)1247 static int vidioc_enum_input(struct file *file, void *priv,
1248 struct v4l2_input *i)
1249 {
1250 struct cx23885_dev *dev = video_drvdata(file);
1251 dprintk(1, "%s()\n", __func__);
1252 return cx23885_enum_input(dev, i);
1253 }
1254
vidioc_g_input(struct file * file,void * priv,unsigned int * i)1255 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1256 {
1257 return cx23885_get_input(file, priv, i);
1258 }
1259
vidioc_s_input(struct file * file,void * priv,unsigned int i)1260 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1261 {
1262 return cx23885_set_input(file, priv, i);
1263 }
1264
vidioc_g_tuner(struct file * file,void * priv,struct v4l2_tuner * t)1265 static int vidioc_g_tuner(struct file *file, void *priv,
1266 struct v4l2_tuner *t)
1267 {
1268 struct cx23885_dev *dev = video_drvdata(file);
1269
1270 if (dev->tuner_type == TUNER_ABSENT)
1271 return -EINVAL;
1272 if (0 != t->index)
1273 return -EINVAL;
1274 strscpy(t->name, "Television", sizeof(t->name));
1275 call_all(dev, tuner, g_tuner, t);
1276
1277 dprintk(1, "VIDIOC_G_TUNER: tuner type %d\n", t->type);
1278
1279 return 0;
1280 }
1281
vidioc_s_tuner(struct file * file,void * priv,const struct v4l2_tuner * t)1282 static int vidioc_s_tuner(struct file *file, void *priv,
1283 const struct v4l2_tuner *t)
1284 {
1285 struct cx23885_dev *dev = video_drvdata(file);
1286
1287 if (dev->tuner_type == TUNER_ABSENT)
1288 return -EINVAL;
1289
1290 /* Update the A/V core */
1291 call_all(dev, tuner, s_tuner, t);
1292
1293 return 0;
1294 }
1295
vidioc_g_frequency(struct file * file,void * priv,struct v4l2_frequency * f)1296 static int vidioc_g_frequency(struct file *file, void *priv,
1297 struct v4l2_frequency *f)
1298 {
1299 struct cx23885_dev *dev = video_drvdata(file);
1300
1301 if (dev->tuner_type == TUNER_ABSENT)
1302 return -EINVAL;
1303 f->type = V4L2_TUNER_ANALOG_TV;
1304 f->frequency = dev->freq;
1305
1306 call_all(dev, tuner, g_frequency, f);
1307
1308 return 0;
1309 }
1310
vidioc_s_frequency(struct file * file,void * priv,const struct v4l2_frequency * f)1311 static int vidioc_s_frequency(struct file *file, void *priv,
1312 const struct v4l2_frequency *f)
1313 {
1314 return cx23885_set_frequency(file, priv, f);
1315 }
1316
vidioc_querycap(struct file * file,void * priv,struct v4l2_capability * cap)1317 static int vidioc_querycap(struct file *file, void *priv,
1318 struct v4l2_capability *cap)
1319 {
1320 struct cx23885_dev *dev = video_drvdata(file);
1321 struct cx23885_tsport *tsport = &dev->ts1;
1322
1323 strscpy(cap->driver, dev->name, sizeof(cap->driver));
1324 strscpy(cap->card, cx23885_boards[tsport->dev->board].name,
1325 sizeof(cap->card));
1326 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
1327 cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
1328 V4L2_CAP_STREAMING | V4L2_CAP_VBI_CAPTURE |
1329 V4L2_CAP_AUDIO | V4L2_CAP_DEVICE_CAPS;
1330 if (dev->tuner_type != TUNER_ABSENT)
1331 cap->capabilities |= V4L2_CAP_TUNER;
1332
1333 return 0;
1334 }
1335
vidioc_enum_fmt_vid_cap(struct file * file,void * priv,struct v4l2_fmtdesc * f)1336 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1337 struct v4l2_fmtdesc *f)
1338 {
1339 if (f->index != 0)
1340 return -EINVAL;
1341
1342 f->pixelformat = V4L2_PIX_FMT_MPEG;
1343
1344 return 0;
1345 }
1346
vidioc_g_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)1347 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1348 struct v4l2_format *f)
1349 {
1350 struct cx23885_dev *dev = video_drvdata(file);
1351
1352 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
1353 f->fmt.pix.bytesperline = 0;
1354 f->fmt.pix.sizeimage =
1355 dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
1356 f->fmt.pix.colorspace = 0;
1357 f->fmt.pix.width = dev->ts1.width;
1358 f->fmt.pix.height = dev->ts1.height;
1359 f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1360 dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d\n",
1361 dev->ts1.width, dev->ts1.height);
1362 return 0;
1363 }
1364
vidioc_try_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)1365 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1366 struct v4l2_format *f)
1367 {
1368 struct cx23885_dev *dev = video_drvdata(file);
1369
1370 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
1371 f->fmt.pix.bytesperline = 0;
1372 f->fmt.pix.sizeimage =
1373 dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
1374 f->fmt.pix.colorspace = 0;
1375 f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1376 dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d\n",
1377 dev->ts1.width, dev->ts1.height);
1378 return 0;
1379 }
1380
vidioc_s_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)1381 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1382 struct v4l2_format *f)
1383 {
1384 struct cx23885_dev *dev = video_drvdata(file);
1385
1386 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
1387 f->fmt.pix.bytesperline = 0;
1388 f->fmt.pix.sizeimage =
1389 dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
1390 f->fmt.pix.colorspace = 0;
1391 f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1392 dprintk(1, "VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
1393 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
1394 return 0;
1395 }
1396
vidioc_log_status(struct file * file,void * priv)1397 static int vidioc_log_status(struct file *file, void *priv)
1398 {
1399 struct cx23885_dev *dev = video_drvdata(file);
1400 char name[32 + 2];
1401
1402 snprintf(name, sizeof(name), "%s/2", dev->name);
1403 call_all(dev, core, log_status);
1404 v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name);
1405 return 0;
1406 }
1407
1408 static const struct v4l2_file_operations mpeg_fops = {
1409 .owner = THIS_MODULE,
1410 .open = v4l2_fh_open,
1411 .release = vb2_fop_release,
1412 .read = vb2_fop_read,
1413 .poll = vb2_fop_poll,
1414 .unlocked_ioctl = video_ioctl2,
1415 .mmap = vb2_fop_mmap,
1416 };
1417
1418 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1419 .vidioc_g_std = vidioc_g_std,
1420 .vidioc_s_std = vidioc_s_std,
1421 .vidioc_enum_input = vidioc_enum_input,
1422 .vidioc_g_input = vidioc_g_input,
1423 .vidioc_s_input = vidioc_s_input,
1424 .vidioc_g_tuner = vidioc_g_tuner,
1425 .vidioc_s_tuner = vidioc_s_tuner,
1426 .vidioc_g_frequency = vidioc_g_frequency,
1427 .vidioc_s_frequency = vidioc_s_frequency,
1428 .vidioc_querycap = vidioc_querycap,
1429 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1430 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1431 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1432 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1433 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1434 .vidioc_prepare_buf = vb2_ioctl_prepare_buf,
1435 .vidioc_querybuf = vb2_ioctl_querybuf,
1436 .vidioc_qbuf = vb2_ioctl_qbuf,
1437 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1438 .vidioc_streamon = vb2_ioctl_streamon,
1439 .vidioc_streamoff = vb2_ioctl_streamoff,
1440 .vidioc_log_status = vidioc_log_status,
1441 #ifdef CONFIG_VIDEO_ADV_DEBUG
1442 .vidioc_g_chip_info = cx23885_g_chip_info,
1443 .vidioc_g_register = cx23885_g_register,
1444 .vidioc_s_register = cx23885_s_register,
1445 #endif
1446 };
1447
1448 static struct video_device cx23885_mpeg_template = {
1449 .name = "cx23885",
1450 .fops = &mpeg_fops,
1451 .ioctl_ops = &mpeg_ioctl_ops,
1452 .tvnorms = CX23885_NORMS,
1453 };
1454
cx23885_417_unregister(struct cx23885_dev * dev)1455 void cx23885_417_unregister(struct cx23885_dev *dev)
1456 {
1457 dprintk(1, "%s()\n", __func__);
1458
1459 if (dev->v4l_device) {
1460 if (video_is_registered(dev->v4l_device))
1461 video_unregister_device(dev->v4l_device);
1462 else
1463 video_device_release(dev->v4l_device);
1464 v4l2_ctrl_handler_free(&dev->cxhdl.hdl);
1465 dev->v4l_device = NULL;
1466 }
1467 }
1468
cx23885_video_dev_alloc(struct cx23885_tsport * tsport,struct pci_dev * pci,struct video_device * template,char * type)1469 static struct video_device *cx23885_video_dev_alloc(
1470 struct cx23885_tsport *tsport,
1471 struct pci_dev *pci,
1472 struct video_device *template,
1473 char *type)
1474 {
1475 struct video_device *vfd;
1476 struct cx23885_dev *dev = tsport->dev;
1477
1478 dprintk(1, "%s()\n", __func__);
1479
1480 vfd = video_device_alloc();
1481 if (NULL == vfd)
1482 return NULL;
1483 *vfd = *template;
1484 snprintf(vfd->name, sizeof(vfd->name), "%s (%s)",
1485 cx23885_boards[tsport->dev->board].name, type);
1486 vfd->v4l2_dev = &dev->v4l2_dev;
1487 vfd->release = video_device_release;
1488 return vfd;
1489 }
1490
cx23885_417_register(struct cx23885_dev * dev)1491 int cx23885_417_register(struct cx23885_dev *dev)
1492 {
1493 /* FIXME: Port1 hardcoded here */
1494 int err = -ENODEV;
1495 struct cx23885_tsport *tsport = &dev->ts1;
1496 struct vb2_queue *q;
1497
1498 dprintk(1, "%s()\n", __func__);
1499
1500 if (cx23885_boards[dev->board].portb != CX23885_MPEG_ENCODER)
1501 return err;
1502
1503 /* Set default TV standard */
1504 dev->encodernorm = cx23885_tvnorms[0];
1505
1506 if (dev->encodernorm.id & V4L2_STD_525_60)
1507 tsport->height = 480;
1508 else
1509 tsport->height = 576;
1510
1511 tsport->width = 720;
1512 dev->cxhdl.port = CX2341X_PORT_SERIAL;
1513 err = cx2341x_handler_init(&dev->cxhdl, 50);
1514 if (err)
1515 return err;
1516 dev->cxhdl.priv = dev;
1517 dev->cxhdl.func = cx23885_api_func;
1518 cx2341x_handler_set_50hz(&dev->cxhdl, tsport->height == 576);
1519 v4l2_ctrl_add_handler(&dev->ctrl_handler, &dev->cxhdl.hdl, NULL, false);
1520
1521 /* Allocate and initialize V4L video device */
1522 dev->v4l_device = cx23885_video_dev_alloc(tsport,
1523 dev->pci, &cx23885_mpeg_template, "mpeg");
1524 q = &dev->vb2_mpegq;
1525 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1526 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1527 q->gfp_flags = GFP_DMA32;
1528 q->min_buffers_needed = 2;
1529 q->drv_priv = dev;
1530 q->buf_struct_size = sizeof(struct cx23885_buffer);
1531 q->ops = &cx23885_qops;
1532 q->mem_ops = &vb2_dma_sg_memops;
1533 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1534 q->lock = &dev->lock;
1535 q->dev = &dev->pci->dev;
1536
1537 err = vb2_queue_init(q);
1538 if (err < 0)
1539 return err;
1540 video_set_drvdata(dev->v4l_device, dev);
1541 dev->v4l_device->lock = &dev->lock;
1542 dev->v4l_device->queue = q;
1543 dev->v4l_device->device_caps = V4L2_CAP_VIDEO_CAPTURE |
1544 V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1545 if (dev->tuner_type != TUNER_ABSENT)
1546 dev->v4l_device->device_caps |= V4L2_CAP_TUNER;
1547 err = video_register_device(dev->v4l_device,
1548 VFL_TYPE_VIDEO, -1);
1549 if (err < 0) {
1550 pr_info("%s: can't register mpeg device\n", dev->name);
1551 return err;
1552 }
1553
1554 pr_info("%s: registered device %s [mpeg]\n",
1555 dev->name, video_device_node_name(dev->v4l_device));
1556
1557 /* ST: Configure the encoder parameters, but don't begin
1558 * encoding, this resolves an issue where the first time the
1559 * encoder is started video can be choppy.
1560 */
1561 cx23885_initialize_codec(dev, 0);
1562
1563 return 0;
1564 }
1565
1566 MODULE_FIRMWARE(CX23885_FIRM_IMAGE_NAME);
1567