treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
[sfrench/cifs-2.6.git] / drivers / media / usb / cx231xx / cx231xx-417.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *
4  *  Support for a cx23417 mpeg encoder via cx231xx 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://ivtv.sourceforge.net/),
12  */
13
14 #include "cx231xx.h"
15
16 #include <linux/module.h>
17 #include <linux/moduleparam.h>
18 #include <linux/init.h>
19 #include <linux/fs.h>
20 #include <linux/delay.h>
21 #include <linux/device.h>
22 #include <linux/firmware.h>
23 #include <linux/slab.h>
24 #include <linux/vmalloc.h>
25 #include <media/v4l2-common.h>
26 #include <media/v4l2-ioctl.h>
27 #include <media/v4l2-event.h>
28 #include <media/drv-intf/cx2341x.h>
29 #include <media/tuner.h>
30
31 #define CX231xx_FIRM_IMAGE_SIZE 376836
32 #define CX231xx_FIRM_IMAGE_NAME "v4l-cx23885-enc.fw"
33
34 /* for polaris ITVC */
35 #define ITVC_WRITE_DIR          0x03FDFC00
36 #define ITVC_READ_DIR            0x0001FC00
37
38 #define  MCI_MEMORY_DATA_BYTE0          0x00
39 #define  MCI_MEMORY_DATA_BYTE1          0x08
40 #define  MCI_MEMORY_DATA_BYTE2          0x10
41 #define  MCI_MEMORY_DATA_BYTE3          0x18
42
43 #define  MCI_MEMORY_ADDRESS_BYTE2       0x20
44 #define  MCI_MEMORY_ADDRESS_BYTE1       0x28
45 #define  MCI_MEMORY_ADDRESS_BYTE0       0x30
46
47 #define  MCI_REGISTER_DATA_BYTE0        0x40
48 #define  MCI_REGISTER_DATA_BYTE1        0x48
49 #define  MCI_REGISTER_DATA_BYTE2        0x50
50 #define  MCI_REGISTER_DATA_BYTE3        0x58
51
52 #define  MCI_REGISTER_ADDRESS_BYTE0     0x60
53 #define  MCI_REGISTER_ADDRESS_BYTE1     0x68
54
55 #define  MCI_REGISTER_MODE              0x70
56
57 /* Read and write modes for polaris ITVC */
58 #define  MCI_MODE_REGISTER_READ         0x000
59 #define  MCI_MODE_REGISTER_WRITE        0x100
60 #define  MCI_MODE_MEMORY_READ           0x000
61 #define  MCI_MODE_MEMORY_WRITE          0x4000
62
63 static unsigned int mpegbufs = 8;
64 module_param(mpegbufs, int, 0644);
65 MODULE_PARM_DESC(mpegbufs, "number of mpeg buffers, range 2-32");
66
67 static unsigned int mpeglines = 128;
68 module_param(mpeglines, int, 0644);
69 MODULE_PARM_DESC(mpeglines, "number of lines in an MPEG buffer, range 2-32");
70
71 static unsigned int mpeglinesize = 512;
72 module_param(mpeglinesize, int, 0644);
73 MODULE_PARM_DESC(mpeglinesize,
74         "number of bytes in each line of an MPEG buffer, range 512-1024");
75
76 static unsigned int v4l_debug = 1;
77 module_param(v4l_debug, int, 0644);
78 MODULE_PARM_DESC(v4l_debug, "enable V4L debug messages");
79
80 #define dprintk(level, fmt, arg...)     \
81         do {                            \
82                 if (v4l_debug >= level) \
83                         printk(KERN_DEBUG pr_fmt(fmt), ## arg); \
84         } while (0)
85
86 static struct cx231xx_tvnorm cx231xx_tvnorms[] = {
87         {
88                 .name      = "NTSC-M",
89                 .id        = V4L2_STD_NTSC_M,
90         }, {
91                 .name      = "NTSC-JP",
92                 .id        = V4L2_STD_NTSC_M_JP,
93         }, {
94                 .name      = "PAL-BG",
95                 .id        = V4L2_STD_PAL_BG,
96         }, {
97                 .name      = "PAL-DK",
98                 .id        = V4L2_STD_PAL_DK,
99         }, {
100                 .name      = "PAL-I",
101                 .id        = V4L2_STD_PAL_I,
102         }, {
103                 .name      = "PAL-M",
104                 .id        = V4L2_STD_PAL_M,
105         }, {
106                 .name      = "PAL-N",
107                 .id        = V4L2_STD_PAL_N,
108         }, {
109                 .name      = "PAL-Nc",
110                 .id        = V4L2_STD_PAL_Nc,
111         }, {
112                 .name      = "PAL-60",
113                 .id        = V4L2_STD_PAL_60,
114         }, {
115                 .name      = "SECAM-L",
116                 .id        = V4L2_STD_SECAM_L,
117         }, {
118                 .name      = "SECAM-DK",
119                 .id        = V4L2_STD_SECAM_DK,
120         }
121 };
122
123 /* ------------------------------------------------------------------ */
124
125 enum cx231xx_capture_type {
126         CX231xx_MPEG_CAPTURE,
127         CX231xx_RAW_CAPTURE,
128         CX231xx_RAW_PASSTHRU_CAPTURE
129 };
130
131 enum cx231xx_capture_bits {
132         CX231xx_RAW_BITS_NONE             = 0x00,
133         CX231xx_RAW_BITS_YUV_CAPTURE      = 0x01,
134         CX231xx_RAW_BITS_PCM_CAPTURE      = 0x02,
135         CX231xx_RAW_BITS_VBI_CAPTURE      = 0x04,
136         CX231xx_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
137         CX231xx_RAW_BITS_TO_HOST_CAPTURE  = 0x10
138 };
139
140 enum cx231xx_capture_end {
141         CX231xx_END_AT_GOP, /* stop at the end of gop, generate irq */
142         CX231xx_END_NOW, /* stop immediately, no irq */
143 };
144
145 enum cx231xx_framerate {
146         CX231xx_FRAMERATE_NTSC_30, /* NTSC: 30fps */
147         CX231xx_FRAMERATE_PAL_25   /* PAL: 25fps */
148 };
149
150 enum cx231xx_stream_port {
151         CX231xx_OUTPUT_PORT_MEMORY,
152         CX231xx_OUTPUT_PORT_STREAMING,
153         CX231xx_OUTPUT_PORT_SERIAL
154 };
155
156 enum cx231xx_data_xfer_status {
157         CX231xx_MORE_BUFFERS_FOLLOW,
158         CX231xx_LAST_BUFFER,
159 };
160
161 enum cx231xx_picture_mask {
162         CX231xx_PICTURE_MASK_NONE,
163         CX231xx_PICTURE_MASK_I_FRAMES,
164         CX231xx_PICTURE_MASK_I_P_FRAMES = 0x3,
165         CX231xx_PICTURE_MASK_ALL_FRAMES = 0x7,
166 };
167
168 enum cx231xx_vbi_mode_bits {
169         CX231xx_VBI_BITS_SLICED,
170         CX231xx_VBI_BITS_RAW,
171 };
172
173 enum cx231xx_vbi_insertion_bits {
174         CX231xx_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
175         CX231xx_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
176         CX231xx_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
177         CX231xx_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
178         CX231xx_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
179 };
180
181 enum cx231xx_dma_unit {
182         CX231xx_DMA_BYTES,
183         CX231xx_DMA_FRAMES,
184 };
185
186 enum cx231xx_dma_transfer_status_bits {
187         CX231xx_DMA_TRANSFER_BITS_DONE = 0x01,
188         CX231xx_DMA_TRANSFER_BITS_ERROR = 0x04,
189         CX231xx_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
190 };
191
192 enum cx231xx_pause {
193         CX231xx_PAUSE_ENCODING,
194         CX231xx_RESUME_ENCODING,
195 };
196
197 enum cx231xx_copyright {
198         CX231xx_COPYRIGHT_OFF,
199         CX231xx_COPYRIGHT_ON,
200 };
201
202 enum cx231xx_notification_type {
203         CX231xx_NOTIFICATION_REFRESH,
204 };
205
206 enum cx231xx_notification_status {
207         CX231xx_NOTIFICATION_OFF,
208         CX231xx_NOTIFICATION_ON,
209 };
210
211 enum cx231xx_notification_mailbox {
212         CX231xx_NOTIFICATION_NO_MAILBOX = -1,
213 };
214
215 enum cx231xx_field1_lines {
216         CX231xx_FIELD1_SAA7114 = 0x00EF, /* 239 */
217         CX231xx_FIELD1_SAA7115 = 0x00F0, /* 240 */
218         CX231xx_FIELD1_MICRONAS = 0x0105, /* 261 */
219 };
220
221 enum cx231xx_field2_lines {
222         CX231xx_FIELD2_SAA7114 = 0x00EF, /* 239 */
223         CX231xx_FIELD2_SAA7115 = 0x00F0, /* 240 */
224         CX231xx_FIELD2_MICRONAS = 0x0106, /* 262 */
225 };
226
227 enum cx231xx_custom_data_type {
228         CX231xx_CUSTOM_EXTENSION_USR_DATA,
229         CX231xx_CUSTOM_PRIVATE_PACKET,
230 };
231
232 enum cx231xx_mute {
233         CX231xx_UNMUTE,
234         CX231xx_MUTE,
235 };
236
237 enum cx231xx_mute_video_mask {
238         CX231xx_MUTE_VIDEO_V_MASK = 0x0000FF00,
239         CX231xx_MUTE_VIDEO_U_MASK = 0x00FF0000,
240         CX231xx_MUTE_VIDEO_Y_MASK = 0xFF000000,
241 };
242
243 enum cx231xx_mute_video_shift {
244         CX231xx_MUTE_VIDEO_V_SHIFT = 8,
245         CX231xx_MUTE_VIDEO_U_SHIFT = 16,
246         CX231xx_MUTE_VIDEO_Y_SHIFT = 24,
247 };
248
249 /* defines below are from ivtv-driver.h */
250 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
251
252 /* Firmware API commands */
253 #define IVTV_API_STD_TIMEOUT 500
254
255 /* Registers */
256 /* IVTV_REG_OFFSET */
257 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8)
258 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC)
259 #define IVTV_REG_SPU (0x9050)
260 #define IVTV_REG_HW_BLOCKS (0x9054)
261 #define IVTV_REG_VPU (0x9058)
262 #define IVTV_REG_APU (0xA064)
263
264 /*
265  * Bit definitions for MC417_RWD and MC417_OEN registers
266  *
267  * bits 31-16
268  *+-----------+
269  *| Reserved  |
270  *|+-----------+
271  *|  bit 15  bit 14  bit 13 bit 12  bit 11  bit 10  bit 9   bit 8
272  *|+-------+-------+-------+-------+-------+-------+-------+-------+
273  *|| MIWR# | MIRD# | MICS# |MIRDY# |MIADDR3|MIADDR2|MIADDR1|MIADDR0|
274  *|+-------+-------+-------+-------+-------+-------+-------+-------+
275  *| bit 7   bit 6   bit 5   bit 4   bit 3   bit 2   bit 1   bit 0
276  *|+-------+-------+-------+-------+-------+-------+-------+-------+
277  *||MIDATA7|MIDATA6|MIDATA5|MIDATA4|MIDATA3|MIDATA2|MIDATA1|MIDATA0|
278  *|+-------+-------+-------+-------+-------+-------+-------+-------+
279  */
280 #define MC417_MIWR      0x8000
281 #define MC417_MIRD      0x4000
282 #define MC417_MICS      0x2000
283 #define MC417_MIRDY     0x1000
284 #define MC417_MIADDR    0x0F00
285 #define MC417_MIDATA    0x00FF
286
287
288 /* Bit definitions for MC417_CTL register ****
289  *bits 31-6   bits 5-4   bit 3    bits 2-1       Bit 0
290  *+--------+-------------+--------+--------------+------------+
291  *|Reserved|MC417_SPD_CTL|Reserved|MC417_GPIO_SEL|UART_GPIO_EN|
292  *+--------+-------------+--------+--------------+------------+
293  */
294 #define MC417_SPD_CTL(x)        (((x) << 4) & 0x00000030)
295 #define MC417_GPIO_SEL(x)       (((x) << 1) & 0x00000006)
296 #define MC417_UART_GPIO_EN      0x00000001
297
298 /* Values for speed control */
299 #define MC417_SPD_CTL_SLOW      0x1
300 #define MC417_SPD_CTL_MEDIUM    0x0
301 #define MC417_SPD_CTL_FAST      0x3     /* b'1x, but we use b'11 */
302
303 /* Values for GPIO select */
304 #define MC417_GPIO_SEL_GPIO3    0x3
305 #define MC417_GPIO_SEL_GPIO2    0x2
306 #define MC417_GPIO_SEL_GPIO1    0x1
307 #define MC417_GPIO_SEL_GPIO0    0x0
308
309
310 #define CX23417_GPIO_MASK 0xFC0003FF
311
312 static int set_itvc_reg(struct cx231xx *dev, u32 gpio_direction, u32 value)
313 {
314         int status = 0;
315         u32 _gpio_direction = 0;
316
317         _gpio_direction = _gpio_direction & CX23417_GPIO_MASK;
318         _gpio_direction = _gpio_direction | gpio_direction;
319         status = cx231xx_send_gpio_cmd(dev, _gpio_direction,
320                          (u8 *)&value, 4, 0, 0);
321         return status;
322 }
323
324 static int get_itvc_reg(struct cx231xx *dev, u32 gpio_direction, u32 *val_ptr)
325 {
326         int status = 0;
327         u32 _gpio_direction = 0;
328
329         _gpio_direction = _gpio_direction & CX23417_GPIO_MASK;
330         _gpio_direction = _gpio_direction | gpio_direction;
331
332         status = cx231xx_send_gpio_cmd(dev, _gpio_direction,
333                  (u8 *)val_ptr, 4, 0, 1);
334         return status;
335 }
336
337 static int wait_for_mci_complete(struct cx231xx *dev)
338 {
339         u32 gpio;
340         u32 gpio_direction = 0;
341         u8 count = 0;
342         get_itvc_reg(dev, gpio_direction, &gpio);
343
344         while (!(gpio&0x020000)) {
345                 msleep(10);
346
347                 get_itvc_reg(dev, gpio_direction, &gpio);
348
349                 if (count++ > 100) {
350                         dprintk(3, "ERROR: Timeout - gpio=%x\n", gpio);
351                         return -EIO;
352                 }
353         }
354         return 0;
355 }
356
357 static int mc417_register_write(struct cx231xx *dev, u16 address, u32 value)
358 {
359         u32 temp;
360         int status = 0;
361
362         temp = 0x82 | MCI_REGISTER_DATA_BYTE0 | ((value & 0x000000FF) << 8);
363         temp = temp << 10;
364         status = set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
365         if (status < 0)
366                 return status;
367         temp = temp | (0x05 << 10);
368         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
369
370         /*write data byte 1;*/
371         temp = 0x82 | MCI_REGISTER_DATA_BYTE1 | (value & 0x0000FF00);
372         temp = temp << 10;
373         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
374         temp = temp | (0x05 << 10);
375         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
376
377         /*write data byte 2;*/
378         temp = 0x82 | MCI_REGISTER_DATA_BYTE2 | ((value & 0x00FF0000) >> 8);
379         temp = temp << 10;
380         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
381         temp = temp | (0x05 << 10);
382         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
383
384         /*write data byte 3;*/
385         temp = 0x82 | MCI_REGISTER_DATA_BYTE3 | ((value & 0xFF000000) >> 16);
386         temp = temp << 10;
387         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
388         temp = temp | (0x05 << 10);
389         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
390
391         /*write address byte 0;*/
392         temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE0 | ((address & 0x000000FF) << 8);
393         temp = temp << 10;
394         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
395         temp = temp | (0x05 << 10);
396         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
397
398         /*write address byte 1;*/
399         temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE1 | (address & 0x0000FF00);
400         temp = temp << 10;
401         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
402         temp = temp | (0x05 << 10);
403         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
404
405         /*Write that the mode is write.*/
406         temp = 0x82 | MCI_REGISTER_MODE | MCI_MODE_REGISTER_WRITE;
407         temp = temp << 10;
408         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
409         temp = temp | (0x05 << 10);
410         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
411
412         return wait_for_mci_complete(dev);
413 }
414
415 static int mc417_register_read(struct cx231xx *dev, u16 address, u32 *value)
416 {
417         /*write address byte 0;*/
418         u32 temp;
419         u32 return_value = 0;
420         int ret = 0;
421
422         temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE0 | ((address & 0x00FF) << 8);
423         temp = temp << 10;
424         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
425         temp = temp | ((0x05) << 10);
426         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
427
428         /*write address byte 1;*/
429         temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE1 | (address & 0xFF00);
430         temp = temp << 10;
431         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
432         temp = temp | ((0x05) << 10);
433         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
434
435         /*write that the mode is read;*/
436         temp = 0x82 | MCI_REGISTER_MODE | MCI_MODE_REGISTER_READ;
437         temp = temp << 10;
438         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
439         temp = temp | ((0x05) << 10);
440         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
441
442         /*wait for the MIRDY line to be asserted ,
443         signalling that the read is done;*/
444         ret = wait_for_mci_complete(dev);
445
446         /*switch the DATA- GPIO to input mode;*/
447
448         /*Read data byte 0;*/
449         temp = (0x82 | MCI_REGISTER_DATA_BYTE0) << 10;
450         set_itvc_reg(dev, ITVC_READ_DIR, temp);
451         temp = ((0x81 | MCI_REGISTER_DATA_BYTE0) << 10);
452         set_itvc_reg(dev, ITVC_READ_DIR, temp);
453         get_itvc_reg(dev, ITVC_READ_DIR, &temp);
454         return_value |= ((temp & 0x03FC0000) >> 18);
455         set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
456
457         /* Read data byte 1;*/
458         temp = (0x82 | MCI_REGISTER_DATA_BYTE1) << 10;
459         set_itvc_reg(dev, ITVC_READ_DIR, temp);
460         temp = ((0x81 | MCI_REGISTER_DATA_BYTE1) << 10);
461         set_itvc_reg(dev, ITVC_READ_DIR, temp);
462         get_itvc_reg(dev, ITVC_READ_DIR, &temp);
463
464         return_value |= ((temp & 0x03FC0000) >> 10);
465         set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
466
467         /*Read data byte 2;*/
468         temp = (0x82 | MCI_REGISTER_DATA_BYTE2) << 10;
469         set_itvc_reg(dev, ITVC_READ_DIR, temp);
470         temp = ((0x81 | MCI_REGISTER_DATA_BYTE2) << 10);
471         set_itvc_reg(dev, ITVC_READ_DIR, temp);
472         get_itvc_reg(dev, ITVC_READ_DIR, &temp);
473         return_value |= ((temp & 0x03FC0000) >> 2);
474         set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
475
476         /*Read data byte 3;*/
477         temp = (0x82 | MCI_REGISTER_DATA_BYTE3) << 10;
478         set_itvc_reg(dev, ITVC_READ_DIR, temp);
479         temp = ((0x81 | MCI_REGISTER_DATA_BYTE3) << 10);
480         set_itvc_reg(dev, ITVC_READ_DIR, temp);
481         get_itvc_reg(dev, ITVC_READ_DIR, &temp);
482         return_value |= ((temp & 0x03FC0000) << 6);
483         set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
484
485         *value  = return_value;
486         return ret;
487 }
488
489 static int mc417_memory_write(struct cx231xx *dev, u32 address, u32 value)
490 {
491         /*write data byte 0;*/
492
493         u32 temp;
494         int ret = 0;
495
496         temp = 0x82 | MCI_MEMORY_DATA_BYTE0 | ((value & 0x000000FF) << 8);
497         temp = temp << 10;
498         ret = set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
499         if (ret < 0)
500                 return ret;
501         temp = temp | (0x05 << 10);
502         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
503
504         /*write data byte 1;*/
505         temp = 0x82 | MCI_MEMORY_DATA_BYTE1 | (value & 0x0000FF00);
506         temp = temp << 10;
507         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
508         temp = temp | (0x05 << 10);
509         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
510
511         /*write data byte 2;*/
512         temp = 0x82 | MCI_MEMORY_DATA_BYTE2 | ((value & 0x00FF0000) >> 8);
513         temp = temp << 10;
514         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
515         temp = temp | (0x05 << 10);
516         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
517
518         /*write data byte 3;*/
519         temp = 0x82 | MCI_MEMORY_DATA_BYTE3 | ((value & 0xFF000000) >> 16);
520         temp = temp << 10;
521         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
522         temp = temp | (0x05 << 10);
523         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
524
525         /* write address byte 2;*/
526         temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_WRITE |
527                 ((address & 0x003F0000) >> 8);
528         temp = temp << 10;
529         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
530         temp = temp | (0x05 << 10);
531         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
532
533         /* write address byte 1;*/
534         temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00);
535         temp = temp << 10;
536         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
537         temp = temp | (0x05 << 10);
538         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
539
540         /* write address byte 0;*/
541         temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE0 | ((address & 0x00FF) << 8);
542         temp = temp << 10;
543         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
544         temp = temp | (0x05 << 10);
545         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
546
547         /*wait for MIRDY line;*/
548         wait_for_mci_complete(dev);
549
550         return 0;
551 }
552
553 static int mc417_memory_read(struct cx231xx *dev, u32 address, u32 *value)
554 {
555         u32 temp = 0;
556         u32 return_value = 0;
557         int ret = 0;
558
559         /*write address byte 2;*/
560         temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_READ |
561                 ((address & 0x003F0000) >> 8);
562         temp = temp << 10;
563         ret = set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
564         if (ret < 0)
565                 return ret;
566         temp = temp | (0x05 << 10);
567         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
568
569         /*write address byte 1*/
570         temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00);
571         temp = temp << 10;
572         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
573         temp = temp | (0x05 << 10);
574         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
575
576         /*write address byte 0*/
577         temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE0 | ((address & 0x00FF) << 8);
578         temp = temp << 10;
579         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
580         temp = temp | (0x05 << 10);
581         set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
582
583         /*Wait for MIRDY line*/
584         ret = wait_for_mci_complete(dev);
585
586
587         /*Read data byte 3;*/
588         temp = (0x82 | MCI_MEMORY_DATA_BYTE3) << 10;
589         set_itvc_reg(dev, ITVC_READ_DIR, temp);
590         temp = ((0x81 | MCI_MEMORY_DATA_BYTE3) << 10);
591         set_itvc_reg(dev, ITVC_READ_DIR, temp);
592         get_itvc_reg(dev, ITVC_READ_DIR, &temp);
593         return_value |= ((temp & 0x03FC0000) << 6);
594         set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
595
596         /*Read data byte 2;*/
597         temp = (0x82 | MCI_MEMORY_DATA_BYTE2) << 10;
598         set_itvc_reg(dev, ITVC_READ_DIR, temp);
599         temp = ((0x81 | MCI_MEMORY_DATA_BYTE2) << 10);
600         set_itvc_reg(dev, ITVC_READ_DIR, temp);
601         get_itvc_reg(dev, ITVC_READ_DIR, &temp);
602         return_value |= ((temp & 0x03FC0000) >> 2);
603         set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
604
605         /* Read data byte 1;*/
606         temp = (0x82 | MCI_MEMORY_DATA_BYTE1) << 10;
607         set_itvc_reg(dev, ITVC_READ_DIR, temp);
608         temp = ((0x81 | MCI_MEMORY_DATA_BYTE1) << 10);
609         set_itvc_reg(dev, ITVC_READ_DIR, temp);
610         get_itvc_reg(dev, ITVC_READ_DIR, &temp);
611         return_value |= ((temp & 0x03FC0000) >> 10);
612         set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
613
614         /*Read data byte 0;*/
615         temp = (0x82 | MCI_MEMORY_DATA_BYTE0) << 10;
616         set_itvc_reg(dev, ITVC_READ_DIR, temp);
617         temp = ((0x81 | MCI_MEMORY_DATA_BYTE0) << 10);
618         set_itvc_reg(dev, ITVC_READ_DIR, temp);
619         get_itvc_reg(dev, ITVC_READ_DIR, &temp);
620         return_value |= ((temp & 0x03FC0000) >> 18);
621         set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
622
623         *value  = return_value;
624         return ret;
625 }
626
627 /* ------------------------------------------------------------------ */
628
629 /* MPEG encoder API */
630 static char *cmd_to_str(int cmd)
631 {
632         switch (cmd) {
633         case CX2341X_ENC_PING_FW:
634                 return "PING_FW";
635         case CX2341X_ENC_START_CAPTURE:
636                 return "START_CAPTURE";
637         case CX2341X_ENC_STOP_CAPTURE:
638                 return "STOP_CAPTURE";
639         case CX2341X_ENC_SET_AUDIO_ID:
640                 return "SET_AUDIO_ID";
641         case CX2341X_ENC_SET_VIDEO_ID:
642                 return "SET_VIDEO_ID";
643         case CX2341X_ENC_SET_PCR_ID:
644                 return "SET_PCR_PID";
645         case CX2341X_ENC_SET_FRAME_RATE:
646                 return "SET_FRAME_RATE";
647         case CX2341X_ENC_SET_FRAME_SIZE:
648                 return "SET_FRAME_SIZE";
649         case CX2341X_ENC_SET_BIT_RATE:
650                 return "SET_BIT_RATE";
651         case CX2341X_ENC_SET_GOP_PROPERTIES:
652                 return "SET_GOP_PROPERTIES";
653         case CX2341X_ENC_SET_ASPECT_RATIO:
654                 return "SET_ASPECT_RATIO";
655         case CX2341X_ENC_SET_DNR_FILTER_MODE:
656                 return "SET_DNR_FILTER_PROPS";
657         case CX2341X_ENC_SET_DNR_FILTER_PROPS:
658                 return "SET_DNR_FILTER_PROPS";
659         case CX2341X_ENC_SET_CORING_LEVELS:
660                 return "SET_CORING_LEVELS";
661         case CX2341X_ENC_SET_SPATIAL_FILTER_TYPE:
662                 return "SET_SPATIAL_FILTER_TYPE";
663         case CX2341X_ENC_SET_VBI_LINE:
664                 return "SET_VBI_LINE";
665         case CX2341X_ENC_SET_STREAM_TYPE:
666                 return "SET_STREAM_TYPE";
667         case CX2341X_ENC_SET_OUTPUT_PORT:
668                 return "SET_OUTPUT_PORT";
669         case CX2341X_ENC_SET_AUDIO_PROPERTIES:
670                 return "SET_AUDIO_PROPERTIES";
671         case CX2341X_ENC_HALT_FW:
672                 return "HALT_FW";
673         case CX2341X_ENC_GET_VERSION:
674                 return "GET_VERSION";
675         case CX2341X_ENC_SET_GOP_CLOSURE:
676                 return "SET_GOP_CLOSURE";
677         case CX2341X_ENC_GET_SEQ_END:
678                 return "GET_SEQ_END";
679         case CX2341X_ENC_SET_PGM_INDEX_INFO:
680                 return "SET_PGM_INDEX_INFO";
681         case CX2341X_ENC_SET_VBI_CONFIG:
682                 return "SET_VBI_CONFIG";
683         case CX2341X_ENC_SET_DMA_BLOCK_SIZE:
684                 return "SET_DMA_BLOCK_SIZE";
685         case CX2341X_ENC_GET_PREV_DMA_INFO_MB_10:
686                 return "GET_PREV_DMA_INFO_MB_10";
687         case CX2341X_ENC_GET_PREV_DMA_INFO_MB_9:
688                 return "GET_PREV_DMA_INFO_MB_9";
689         case CX2341X_ENC_SCHED_DMA_TO_HOST:
690                 return "SCHED_DMA_TO_HOST";
691         case CX2341X_ENC_INITIALIZE_INPUT:
692                 return "INITIALIZE_INPUT";
693         case CX2341X_ENC_SET_FRAME_DROP_RATE:
694                 return "SET_FRAME_DROP_RATE";
695         case CX2341X_ENC_PAUSE_ENCODER:
696                 return "PAUSE_ENCODER";
697         case CX2341X_ENC_REFRESH_INPUT:
698                 return "REFRESH_INPUT";
699         case CX2341X_ENC_SET_COPYRIGHT:
700                 return "SET_COPYRIGHT";
701         case CX2341X_ENC_SET_EVENT_NOTIFICATION:
702                 return "SET_EVENT_NOTIFICATION";
703         case CX2341X_ENC_SET_NUM_VSYNC_LINES:
704                 return "SET_NUM_VSYNC_LINES";
705         case CX2341X_ENC_SET_PLACEHOLDER:
706                 return "SET_PLACEHOLDER";
707         case CX2341X_ENC_MUTE_VIDEO:
708                 return "MUTE_VIDEO";
709         case CX2341X_ENC_MUTE_AUDIO:
710                 return "MUTE_AUDIO";
711         case CX2341X_ENC_MISC:
712                 return "MISC";
713         default:
714                 return "UNKNOWN";
715         }
716 }
717
718 static int cx231xx_mbox_func(void *priv, u32 command, int in, int out,
719                              u32 data[CX2341X_MBOX_MAX_DATA])
720 {
721         struct cx231xx *dev = priv;
722         unsigned long timeout;
723         u32 value, flag, retval = 0;
724         int i;
725
726         dprintk(3, "%s: command(0x%X) = %s\n", __func__, command,
727                 cmd_to_str(command));
728
729         /* this may not be 100% safe if we can't read any memory location
730            without side effects */
731         mc417_memory_read(dev, dev->cx23417_mailbox - 4, &value);
732         if (value != 0x12345678) {
733                 dprintk(3, "Firmware and/or mailbox pointer not initialized or corrupted, signature = 0x%x, cmd = %s\n",
734                         value, cmd_to_str(command));
735                 return -EIO;
736         }
737
738         /* This read looks at 32 bits, but flag is only 8 bits.
739          * Seems we also bail if CMD or TIMEOUT bytes are set???
740          */
741         mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
742         if (flag) {
743                 dprintk(3, "ERROR: Mailbox appears to be in use (%x), cmd = %s\n",
744                                 flag, cmd_to_str(command));
745                 return -EBUSY;
746         }
747
748         flag |= 1; /* tell 'em we're working on it */
749         mc417_memory_write(dev, dev->cx23417_mailbox, flag);
750
751         /* write command + args + fill remaining with zeros */
752         /* command code */
753         mc417_memory_write(dev, dev->cx23417_mailbox + 1, command);
754         mc417_memory_write(dev, dev->cx23417_mailbox + 3,
755                 IVTV_API_STD_TIMEOUT); /* timeout */
756         for (i = 0; i < in; i++) {
757                 mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, data[i]);
758                 dprintk(3, "API Input %d = %d\n", i, data[i]);
759         }
760         for (; i < CX2341X_MBOX_MAX_DATA; i++)
761                 mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, 0);
762
763         flag |= 3; /* tell 'em we're done writing */
764         mc417_memory_write(dev, dev->cx23417_mailbox, flag);
765
766         /* wait for firmware to handle the API command */
767         timeout = jiffies + msecs_to_jiffies(10);
768         for (;;) {
769                 mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
770                 if (0 != (flag & 4))
771                         break;
772                 if (time_after(jiffies, timeout)) {
773                         dprintk(3, "ERROR: API Mailbox timeout\n");
774                         return -EIO;
775                 }
776                 udelay(10);
777         }
778
779         /* read output values */
780         for (i = 0; i < out; i++) {
781                 mc417_memory_read(dev, dev->cx23417_mailbox + 4 + i, data + i);
782                 dprintk(3, "API Output %d = %d\n", i, data[i]);
783         }
784
785         mc417_memory_read(dev, dev->cx23417_mailbox + 2, &retval);
786         dprintk(3, "API result = %d\n", retval);
787
788         flag = 0;
789         mc417_memory_write(dev, dev->cx23417_mailbox, flag);
790
791         return 0;
792 }
793
794 /* We don't need to call the API often, so using just one
795  * mailbox will probably suffice
796  */
797 static int cx231xx_api_cmd(struct cx231xx *dev, u32 command,
798                 u32 inputcnt, u32 outputcnt, ...)
799 {
800         u32 data[CX2341X_MBOX_MAX_DATA];
801         va_list vargs;
802         int i, err;
803
804         dprintk(3, "%s() cmds = 0x%08x\n", __func__, command);
805
806         va_start(vargs, outputcnt);
807         for (i = 0; i < inputcnt; i++)
808                 data[i] = va_arg(vargs, int);
809
810         err = cx231xx_mbox_func(dev, command, inputcnt, outputcnt, data);
811         for (i = 0; i < outputcnt; i++) {
812                 int *vptr = va_arg(vargs, int *);
813                 *vptr = data[i];
814         }
815         va_end(vargs);
816
817         return err;
818 }
819
820
821 static int cx231xx_find_mailbox(struct cx231xx *dev)
822 {
823         u32 signature[4] = {
824                 0x12345678, 0x34567812, 0x56781234, 0x78123456
825         };
826         int signaturecnt = 0;
827         u32 value;
828         int i;
829         int ret = 0;
830
831         dprintk(2, "%s()\n", __func__);
832
833         for (i = 0; i < 0x100; i++) {/*CX231xx_FIRM_IMAGE_SIZE*/
834                 ret = mc417_memory_read(dev, i, &value);
835                 if (ret < 0)
836                         return ret;
837                 if (value == signature[signaturecnt])
838                         signaturecnt++;
839                 else
840                         signaturecnt = 0;
841                 if (4 == signaturecnt) {
842                         dprintk(1, "Mailbox signature found at 0x%x\n", i + 1);
843                         return i + 1;
844                 }
845         }
846         dprintk(3, "Mailbox signature values not found!\n");
847         return -EIO;
848 }
849
850 static void mci_write_memory_to_gpio(struct cx231xx *dev, u32 address, u32 value,
851                 u32 *p_fw_image)
852 {
853         u32 temp = 0;
854         int i = 0;
855
856         temp = 0x82 | MCI_MEMORY_DATA_BYTE0 | ((value & 0x000000FF) << 8);
857         temp = temp << 10;
858         *p_fw_image = temp;
859         p_fw_image++;
860         temp = temp | (0x05 << 10);
861         *p_fw_image = temp;
862         p_fw_image++;
863
864         /*write data byte 1;*/
865         temp = 0x82 | MCI_MEMORY_DATA_BYTE1 | (value & 0x0000FF00);
866         temp = temp << 10;
867         *p_fw_image = temp;
868         p_fw_image++;
869         temp = temp | (0x05 << 10);
870         *p_fw_image = temp;
871         p_fw_image++;
872
873         /*write data byte 2;*/
874         temp = 0x82 | MCI_MEMORY_DATA_BYTE2 | ((value & 0x00FF0000) >> 8);
875         temp = temp << 10;
876         *p_fw_image = temp;
877         p_fw_image++;
878         temp = temp | (0x05 << 10);
879         *p_fw_image = temp;
880         p_fw_image++;
881
882         /*write data byte 3;*/
883         temp = 0x82 | MCI_MEMORY_DATA_BYTE3 | ((value & 0xFF000000) >> 16);
884         temp = temp << 10;
885         *p_fw_image = temp;
886         p_fw_image++;
887         temp = temp | (0x05 << 10);
888         *p_fw_image = temp;
889         p_fw_image++;
890
891         /* write address byte 2;*/
892         temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_WRITE |
893                 ((address & 0x003F0000) >> 8);
894         temp = temp << 10;
895         *p_fw_image = temp;
896         p_fw_image++;
897         temp = temp | (0x05 << 10);
898         *p_fw_image = temp;
899         p_fw_image++;
900
901         /* write address byte 1;*/
902         temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00);
903         temp = temp << 10;
904         *p_fw_image = temp;
905         p_fw_image++;
906         temp = temp | (0x05 << 10);
907         *p_fw_image = temp;
908         p_fw_image++;
909
910         /* write address byte 0;*/
911         temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE0 | ((address & 0x00FF) << 8);
912         temp = temp << 10;
913         *p_fw_image = temp;
914         p_fw_image++;
915         temp = temp | (0x05 << 10);
916         *p_fw_image = temp;
917         p_fw_image++;
918
919         for (i = 0; i < 6; i++) {
920                 *p_fw_image = 0xFFFFFFFF;
921                 p_fw_image++;
922         }
923 }
924
925
926 static int cx231xx_load_firmware(struct cx231xx *dev)
927 {
928         static const unsigned char magic[8] = {
929                 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
930         };
931         const struct firmware *firmware;
932         int i, retval = 0;
933         u32 value = 0;
934         u32 gpio_output = 0;
935         /*u32 checksum = 0;*/
936         /*u32 *dataptr;*/
937         u32 transfer_size = 0;
938         u32 fw_data = 0;
939         u32 address = 0;
940         /*u32 current_fw[800];*/
941         u32 *p_current_fw, *p_fw;
942         u32 *p_fw_data;
943         int frame = 0;
944         u16 _buffer_size = 4096;
945         u8 *p_buffer;
946
947         p_current_fw = vmalloc(1884180 * 4);
948         p_fw = p_current_fw;
949         if (p_current_fw == NULL) {
950                 dprintk(2, "FAIL!!!\n");
951                 return -ENOMEM;
952         }
953
954         p_buffer = vmalloc(4096);
955         if (p_buffer == NULL) {
956                 dprintk(2, "FAIL!!!\n");
957                 vfree(p_current_fw);
958                 return -ENOMEM;
959         }
960
961         dprintk(2, "%s()\n", __func__);
962
963         /* Save GPIO settings before reset of APU */
964         retval |= mc417_memory_read(dev, 0x9020, &gpio_output);
965         retval |= mc417_memory_read(dev, 0x900C, &value);
966
967         retval  = mc417_register_write(dev,
968                 IVTV_REG_VPU, 0xFFFFFFED);
969         retval |= mc417_register_write(dev,
970                 IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
971         retval |= mc417_register_write(dev,
972                 IVTV_REG_ENC_SDRAM_REFRESH, 0x80000800);
973         retval |= mc417_register_write(dev,
974                 IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
975         retval |= mc417_register_write(dev,
976                 IVTV_REG_APU, 0);
977
978         if (retval != 0) {
979                 dev_err(dev->dev,
980                         "%s: Error with mc417_register_write\n", __func__);
981                 vfree(p_current_fw);
982                 vfree(p_buffer);
983                 return retval;
984         }
985
986         retval = request_firmware(&firmware, CX231xx_FIRM_IMAGE_NAME,
987                                   dev->dev);
988
989         if (retval != 0) {
990                 dev_err(dev->dev,
991                         "ERROR: Hotplug firmware request failed (%s).\n",
992                         CX231xx_FIRM_IMAGE_NAME);
993                 dev_err(dev->dev,
994                         "Please fix your hotplug setup, the board will not work without firmware loaded!\n");
995                 vfree(p_current_fw);
996                 vfree(p_buffer);
997                 return retval;
998         }
999
1000         if (firmware->size != CX231xx_FIRM_IMAGE_SIZE) {
1001                 dev_err(dev->dev,
1002                         "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
1003                         firmware->size, CX231xx_FIRM_IMAGE_SIZE);
1004                 release_firmware(firmware);
1005                 vfree(p_current_fw);
1006                 vfree(p_buffer);
1007                 return -EINVAL;
1008         }
1009
1010         if (0 != memcmp(firmware->data, magic, 8)) {
1011                 dev_err(dev->dev,
1012                         "ERROR: Firmware magic mismatch, wrong file?\n");
1013                 release_firmware(firmware);
1014                 vfree(p_current_fw);
1015                 vfree(p_buffer);
1016                 return -EINVAL;
1017         }
1018
1019         initGPIO(dev);
1020
1021         /* transfer to the chip */
1022         dprintk(2, "Loading firmware to GPIO...\n");
1023         p_fw_data = (u32 *)firmware->data;
1024         dprintk(2, "firmware->size=%zd\n", firmware->size);
1025         for (transfer_size = 0; transfer_size < firmware->size;
1026                  transfer_size += 4) {
1027                 fw_data = *p_fw_data;
1028
1029                 mci_write_memory_to_gpio(dev, address, fw_data, p_current_fw);
1030                 address = address + 1;
1031                 p_current_fw += 20;
1032                 p_fw_data += 1;
1033         }
1034
1035         /*download the firmware by ep5-out*/
1036
1037         for (frame = 0; frame < (int)(CX231xx_FIRM_IMAGE_SIZE*20/_buffer_size);
1038              frame++) {
1039                 for (i = 0; i < _buffer_size; i++) {
1040                         *(p_buffer + i) = (u8)(*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x000000FF);
1041                         i++;
1042                         *(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x0000FF00) >> 8);
1043                         i++;
1044                         *(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x00FF0000) >> 16);
1045                         i++;
1046                         *(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0xFF000000) >> 24);
1047                 }
1048                 cx231xx_ep5_bulkout(dev, p_buffer, _buffer_size);
1049         }
1050
1051         p_current_fw = p_fw;
1052         vfree(p_current_fw);
1053         p_current_fw = NULL;
1054         uninitGPIO(dev);
1055         release_firmware(firmware);
1056         dprintk(1, "Firmware upload successful.\n");
1057
1058         retval |= mc417_register_write(dev, IVTV_REG_HW_BLOCKS,
1059                 IVTV_CMD_HW_BLOCKS_RST);
1060         if (retval < 0) {
1061                 dev_err(dev->dev,
1062                         "%s: Error with mc417_register_write\n",
1063                         __func__);
1064                 return retval;
1065         }
1066         /* F/W power up disturbs the GPIOs, restore state */
1067         retval |= mc417_register_write(dev, 0x9020, gpio_output);
1068         retval |= mc417_register_write(dev, 0x900C, value);
1069
1070         retval |= mc417_register_read(dev, IVTV_REG_VPU, &value);
1071         retval |= mc417_register_write(dev, IVTV_REG_VPU, value & 0xFFFFFFE8);
1072
1073         if (retval < 0) {
1074                 dev_err(dev->dev,
1075                         "%s: Error with mc417_register_write\n",
1076                         __func__);
1077                 return retval;
1078         }
1079         return 0;
1080 }
1081
1082 static void cx231xx_417_check_encoder(struct cx231xx *dev)
1083 {
1084         u32 status, seq;
1085
1086         status = 0;
1087         seq = 0;
1088         cx231xx_api_cmd(dev, CX2341X_ENC_GET_SEQ_END, 0, 2, &status, &seq);
1089         dprintk(1, "%s() status = %d, seq = %d\n", __func__, status, seq);
1090 }
1091
1092 static void cx231xx_codec_settings(struct cx231xx *dev)
1093 {
1094         dprintk(1, "%s()\n", __func__);
1095
1096         /* assign frame size */
1097         cx231xx_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
1098                                 dev->ts1.height, dev->ts1.width);
1099
1100         dev->mpeg_ctrl_handler.width = dev->ts1.width;
1101         dev->mpeg_ctrl_handler.height = dev->ts1.height;
1102
1103         cx2341x_handler_setup(&dev->mpeg_ctrl_handler);
1104
1105         cx231xx_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 3, 1);
1106         cx231xx_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 4, 1);
1107 }
1108
1109 static int cx231xx_initialize_codec(struct cx231xx *dev)
1110 {
1111         int version;
1112         int retval;
1113         u32 i;
1114         u32 val = 0;
1115
1116         dprintk(1, "%s()\n", __func__);
1117         cx231xx_disable656(dev);
1118         retval = cx231xx_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
1119         if (retval < 0) {
1120                 dprintk(2, "%s: PING OK\n", __func__);
1121                 retval = cx231xx_load_firmware(dev);
1122                 if (retval < 0) {
1123                         dev_err(dev->dev,
1124                                 "%s: f/w load failed\n", __func__);
1125                         return retval;
1126                 }
1127                 retval = cx231xx_find_mailbox(dev);
1128                 if (retval < 0) {
1129                         dev_err(dev->dev, "%s: mailbox < 0, error\n",
1130                                 __func__);
1131                         return retval;
1132                 }
1133                 dev->cx23417_mailbox = retval;
1134                 retval = cx231xx_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
1135                 if (retval < 0) {
1136                         dev_err(dev->dev,
1137                                 "ERROR: cx23417 firmware ping failed!\n");
1138                         return retval;
1139                 }
1140                 retval = cx231xx_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1,
1141                         &version);
1142                 if (retval < 0) {
1143                         dev_err(dev->dev,
1144                                 "ERROR: cx23417 firmware get encoder: version failed!\n");
1145                         return retval;
1146                 }
1147                 dprintk(1, "cx23417 firmware version is 0x%08x\n", version);
1148                 msleep(200);
1149         }
1150
1151         for (i = 0; i < 1; i++) {
1152                 retval = mc417_register_read(dev, 0x20f8, &val);
1153                 dprintk(3, "***before enable656() VIM Capture Lines = %d ***\n",
1154                                  val);
1155                 if (retval < 0)
1156                         return retval;
1157         }
1158
1159         cx231xx_enable656(dev);
1160
1161         /* stop mpeg capture */
1162         cx231xx_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, 1, 3, 4);
1163
1164         cx231xx_codec_settings(dev);
1165         msleep(60);
1166
1167 /*      cx231xx_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
1168                 CX231xx_FIELD1_SAA7115, CX231xx_FIELD2_SAA7115);
1169         cx231xx_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
1170                 CX231xx_CUSTOM_EXTENSION_USR_DATA, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1171                 0, 0);
1172 */
1173
1174 #if 0
1175         /* TODO */
1176         u32 data[7];
1177
1178         /* Setup to capture VBI */
1179         data[0] = 0x0001BD00;
1180         data[1] = 1;          /* frames per interrupt */
1181         data[2] = 4;          /* total bufs */
1182         data[3] = 0x91559155; /* start codes */
1183         data[4] = 0x206080C0; /* stop codes */
1184         data[5] = 6;          /* lines */
1185         data[6] = 64;         /* BPL */
1186
1187         cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_CONFIG, 7, 0, data[0], data[1],
1188                 data[2], data[3], data[4], data[5], data[6]);
1189
1190         for (i = 2; i <= 24; i++) {
1191                 int valid;
1192
1193                 valid = ((i >= 19) && (i <= 21));
1194                 cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0, i,
1195                                 valid, 0 , 0, 0);
1196                 cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0,
1197                                 i | 0x80000000, valid, 0, 0, 0);
1198         }
1199 #endif
1200 /*      cx231xx_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, CX231xx_UNMUTE);
1201         msleep(60);
1202 */
1203         /* initialize the video input */
1204         retval = cx231xx_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
1205         if (retval < 0)
1206                 return retval;
1207         msleep(60);
1208
1209         /* Enable VIP style pixel invalidation so we work with scaled mode */
1210         mc417_memory_write(dev, 2120, 0x00000080);
1211
1212         /* start capturing to the host interface */
1213         retval = cx231xx_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
1214                 CX231xx_MPEG_CAPTURE, CX231xx_RAW_BITS_NONE);
1215         if (retval < 0)
1216                 return retval;
1217         msleep(10);
1218
1219         for (i = 0; i < 1; i++) {
1220                 mc417_register_read(dev, 0x20f8, &val);
1221                 dprintk(3, "***VIM Capture Lines =%d ***\n", val);
1222         }
1223
1224         return 0;
1225 }
1226
1227 /* ------------------------------------------------------------------ */
1228
1229 static int bb_buf_setup(struct videobuf_queue *q,
1230         unsigned int *count, unsigned int *size)
1231 {
1232         struct cx231xx_fh *fh = q->priv_data;
1233
1234         fh->dev->ts1.ts_packet_size  = mpeglinesize;
1235         fh->dev->ts1.ts_packet_count = mpeglines;
1236
1237         *size = fh->dev->ts1.ts_packet_size * fh->dev->ts1.ts_packet_count;
1238         *count = mpegbufs;
1239
1240         return 0;
1241 }
1242
1243 static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf)
1244 {
1245         struct cx231xx_fh *fh = vq->priv_data;
1246         struct cx231xx *dev = fh->dev;
1247         unsigned long flags = 0;
1248
1249         BUG_ON(in_interrupt());
1250
1251         spin_lock_irqsave(&dev->video_mode.slock, flags);
1252         if (dev->USE_ISO) {
1253                 if (dev->video_mode.isoc_ctl.buf == buf)
1254                         dev->video_mode.isoc_ctl.buf = NULL;
1255         } else {
1256                 if (dev->video_mode.bulk_ctl.buf == buf)
1257                         dev->video_mode.bulk_ctl.buf = NULL;
1258         }
1259         spin_unlock_irqrestore(&dev->video_mode.slock, flags);
1260         videobuf_waiton(vq, &buf->vb, 0, 0);
1261         videobuf_vmalloc_free(&buf->vb);
1262         buf->vb.state = VIDEOBUF_NEEDS_INIT;
1263 }
1264
1265 static void buffer_copy(struct cx231xx *dev, char *data, int len, struct urb *urb,
1266                 struct cx231xx_dmaqueue *dma_q)
1267 {
1268         void *vbuf;
1269         struct cx231xx_buffer *buf;
1270         u32 tail_data = 0;
1271         char *p_data;
1272
1273         if (dma_q->mpeg_buffer_done == 0) {
1274                 if (list_empty(&dma_q->active))
1275                         return;
1276
1277                 buf = list_entry(dma_q->active.next,
1278                                 struct cx231xx_buffer, vb.queue);
1279                 dev->video_mode.isoc_ctl.buf = buf;
1280                 dma_q->mpeg_buffer_done = 1;
1281         }
1282         /* Fill buffer */
1283         buf = dev->video_mode.isoc_ctl.buf;
1284         vbuf = videobuf_to_vmalloc(&buf->vb);
1285
1286         if ((dma_q->mpeg_buffer_completed+len) <
1287                         mpeglines*mpeglinesize) {
1288                 if (dma_q->add_ps_package_head ==
1289                                 CX231XX_NEED_ADD_PS_PACKAGE_HEAD) {
1290                         memcpy(vbuf+dma_q->mpeg_buffer_completed,
1291                                         dma_q->ps_head, 3);
1292                         dma_q->mpeg_buffer_completed =
1293                                 dma_q->mpeg_buffer_completed + 3;
1294                         dma_q->add_ps_package_head =
1295                                 CX231XX_NONEED_PS_PACKAGE_HEAD;
1296                 }
1297                 memcpy(vbuf+dma_q->mpeg_buffer_completed, data, len);
1298                 dma_q->mpeg_buffer_completed =
1299                         dma_q->mpeg_buffer_completed + len;
1300         } else {
1301                 dma_q->mpeg_buffer_done = 0;
1302
1303                 tail_data =
1304                         mpeglines*mpeglinesize - dma_q->mpeg_buffer_completed;
1305                 memcpy(vbuf+dma_q->mpeg_buffer_completed,
1306                                 data, tail_data);
1307
1308                 buf->vb.state = VIDEOBUF_DONE;
1309                 buf->vb.field_count++;
1310                 buf->vb.ts = ktime_get_ns();
1311                 list_del(&buf->vb.queue);
1312                 wake_up(&buf->vb.done);
1313                 dma_q->mpeg_buffer_completed = 0;
1314
1315                 if (len - tail_data > 0) {
1316                         p_data = data + tail_data;
1317                         dma_q->left_data_count = len - tail_data;
1318                         memcpy(dma_q->p_left_data,
1319                                         p_data, len - tail_data);
1320                 }
1321         }
1322 }
1323
1324 static void buffer_filled(char *data, int len, struct urb *urb,
1325                 struct cx231xx_dmaqueue *dma_q)
1326 {
1327         void *vbuf;
1328         struct cx231xx_buffer *buf;
1329
1330         if (list_empty(&dma_q->active))
1331                 return;
1332
1333         buf = list_entry(dma_q->active.next,
1334                         struct cx231xx_buffer, vb.queue);
1335
1336         /* Fill buffer */
1337         vbuf = videobuf_to_vmalloc(&buf->vb);
1338         memcpy(vbuf, data, len);
1339         buf->vb.state = VIDEOBUF_DONE;
1340         buf->vb.field_count++;
1341         buf->vb.ts = ktime_get_ns();
1342         list_del(&buf->vb.queue);
1343         wake_up(&buf->vb.done);
1344 }
1345
1346 static int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb)
1347 {
1348         struct cx231xx_dmaqueue *dma_q = urb->context;
1349         unsigned char *p_buffer;
1350         u32 buffer_size = 0;
1351         u32 i = 0;
1352
1353         for (i = 0; i < urb->number_of_packets; i++) {
1354                 if (dma_q->left_data_count > 0) {
1355                         buffer_copy(dev, dma_q->p_left_data,
1356                                     dma_q->left_data_count, urb, dma_q);
1357                         dma_q->mpeg_buffer_completed = dma_q->left_data_count;
1358                         dma_q->left_data_count = 0;
1359                 }
1360
1361                 p_buffer = urb->transfer_buffer +
1362                                 urb->iso_frame_desc[i].offset;
1363                 buffer_size = urb->iso_frame_desc[i].actual_length;
1364
1365                 if (buffer_size > 0)
1366                         buffer_copy(dev, p_buffer, buffer_size, urb, dma_q);
1367         }
1368
1369         return 0;
1370 }
1371
1372 static int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb)
1373 {
1374         struct cx231xx_dmaqueue *dma_q = urb->context;
1375         unsigned char *p_buffer, *buffer;
1376         u32 buffer_size = 0;
1377
1378         p_buffer = urb->transfer_buffer;
1379         buffer_size = urb->actual_length;
1380
1381         buffer = kmalloc(buffer_size, GFP_ATOMIC);
1382         if (!buffer)
1383                 return -ENOMEM;
1384
1385         memcpy(buffer, dma_q->ps_head, 3);
1386         memcpy(buffer+3, p_buffer, buffer_size-3);
1387         memcpy(dma_q->ps_head, p_buffer+buffer_size-3, 3);
1388
1389         p_buffer = buffer;
1390         buffer_filled(p_buffer, buffer_size, urb, dma_q);
1391
1392         kfree(buffer);
1393         return 0;
1394 }
1395
1396 static int bb_buf_prepare(struct videobuf_queue *q,
1397         struct videobuf_buffer *vb, enum v4l2_field field)
1398 {
1399         struct cx231xx_fh *fh = q->priv_data;
1400         struct cx231xx_buffer *buf =
1401             container_of(vb, struct cx231xx_buffer, vb);
1402         struct cx231xx *dev = fh->dev;
1403         int rc = 0, urb_init = 0;
1404         int size = fh->dev->ts1.ts_packet_size * fh->dev->ts1.ts_packet_count;
1405
1406         if (0 != buf->vb.baddr  &&  buf->vb.bsize < size)
1407                 return -EINVAL;
1408         buf->vb.width = fh->dev->ts1.ts_packet_size;
1409         buf->vb.height = fh->dev->ts1.ts_packet_count;
1410         buf->vb.size = size;
1411         buf->vb.field = field;
1412
1413         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
1414                 rc = videobuf_iolock(q, &buf->vb, NULL);
1415                 if (rc < 0)
1416                         goto fail;
1417         }
1418
1419         if (dev->USE_ISO) {
1420                 if (!dev->video_mode.isoc_ctl.num_bufs)
1421                         urb_init = 1;
1422         } else {
1423                 if (!dev->video_mode.bulk_ctl.num_bufs)
1424                         urb_init = 1;
1425         }
1426         dev_dbg(dev->dev,
1427                 "urb_init=%d dev->video_mode.max_pkt_size=%d\n",
1428                 urb_init, dev->video_mode.max_pkt_size);
1429         dev->mode_tv = 1;
1430
1431         if (urb_init) {
1432                 rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
1433                 rc = cx231xx_unmute_audio(dev);
1434                 if (dev->USE_ISO) {
1435                         cx231xx_set_alt_setting(dev, INDEX_TS1, 4);
1436                         rc = cx231xx_init_isoc(dev, mpeglines,
1437                                        mpegbufs,
1438                                        dev->ts1_mode.max_pkt_size,
1439                                        cx231xx_isoc_copy);
1440                 } else {
1441                         cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
1442                         rc = cx231xx_init_bulk(dev, mpeglines,
1443                                        mpegbufs,
1444                                        dev->ts1_mode.max_pkt_size,
1445                                        cx231xx_bulk_copy);
1446                 }
1447                 if (rc < 0)
1448                         goto fail;
1449         }
1450
1451         buf->vb.state = VIDEOBUF_PREPARED;
1452         return 0;
1453
1454 fail:
1455         free_buffer(q, buf);
1456         return rc;
1457 }
1458
1459 static void bb_buf_queue(struct videobuf_queue *q,
1460         struct videobuf_buffer *vb)
1461 {
1462         struct cx231xx_fh *fh = q->priv_data;
1463
1464         struct cx231xx_buffer *buf =
1465             container_of(vb, struct cx231xx_buffer, vb);
1466         struct cx231xx *dev = fh->dev;
1467         struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
1468
1469         buf->vb.state = VIDEOBUF_QUEUED;
1470         list_add_tail(&buf->vb.queue, &vidq->active);
1471
1472 }
1473
1474 static void bb_buf_release(struct videobuf_queue *q,
1475         struct videobuf_buffer *vb)
1476 {
1477         struct cx231xx_buffer *buf =
1478             container_of(vb, struct cx231xx_buffer, vb);
1479         /*struct cx231xx_fh *fh = q->priv_data;*/
1480         /*struct cx231xx *dev = (struct cx231xx *)fh->dev;*/
1481
1482         free_buffer(q, buf);
1483 }
1484
1485 static const struct videobuf_queue_ops cx231xx_qops = {
1486         .buf_setup    = bb_buf_setup,
1487         .buf_prepare  = bb_buf_prepare,
1488         .buf_queue    = bb_buf_queue,
1489         .buf_release  = bb_buf_release,
1490 };
1491
1492 /* ------------------------------------------------------------------ */
1493
1494 static int vidioc_g_pixelaspect(struct file *file, void *priv,
1495                                 int type, struct v4l2_fract *f)
1496 {
1497         struct cx231xx_fh *fh = priv;
1498         struct cx231xx *dev = fh->dev;
1499         bool is_50hz = dev->encodernorm.id & V4L2_STD_625_50;
1500
1501         if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1502                 return -EINVAL;
1503
1504         f->numerator = is_50hz ? 54 : 11;
1505         f->denominator = is_50hz ? 59 : 10;
1506
1507         return 0;
1508 }
1509
1510 static int vidioc_g_selection(struct file *file, void *priv,
1511                               struct v4l2_selection *s)
1512 {
1513         struct cx231xx_fh *fh = priv;
1514         struct cx231xx *dev = fh->dev;
1515
1516         if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1517                 return -EINVAL;
1518
1519         switch (s->target) {
1520         case V4L2_SEL_TGT_CROP_BOUNDS:
1521         case V4L2_SEL_TGT_CROP_DEFAULT:
1522                 s->r.left = 0;
1523                 s->r.top = 0;
1524                 s->r.width = dev->ts1.width;
1525                 s->r.height = dev->ts1.height;
1526                 break;
1527         default:
1528                 return -EINVAL;
1529         }
1530         return 0;
1531 }
1532
1533 static int vidioc_g_std(struct file *file, void *fh0, v4l2_std_id *norm)
1534 {
1535         struct cx231xx_fh  *fh  = file->private_data;
1536         struct cx231xx *dev = fh->dev;
1537
1538         *norm = dev->encodernorm.id;
1539         return 0;
1540 }
1541
1542 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
1543 {
1544         struct cx231xx_fh  *fh  = file->private_data;
1545         struct cx231xx *dev = fh->dev;
1546         unsigned int i;
1547
1548         for (i = 0; i < ARRAY_SIZE(cx231xx_tvnorms); i++)
1549                 if (id & cx231xx_tvnorms[i].id)
1550                         break;
1551         if (i == ARRAY_SIZE(cx231xx_tvnorms))
1552                 return -EINVAL;
1553         dev->encodernorm = cx231xx_tvnorms[i];
1554
1555         if (dev->encodernorm.id & 0xb000) {
1556                 dprintk(3, "encodernorm set to NTSC\n");
1557                 dev->norm = V4L2_STD_NTSC;
1558                 dev->ts1.height = 480;
1559                 cx2341x_handler_set_50hz(&dev->mpeg_ctrl_handler, false);
1560         } else {
1561                 dprintk(3, "encodernorm set to PAL\n");
1562                 dev->norm = V4L2_STD_PAL_B;
1563                 dev->ts1.height = 576;
1564                 cx2341x_handler_set_50hz(&dev->mpeg_ctrl_handler, true);
1565         }
1566         call_all(dev, video, s_std, dev->norm);
1567         /* do mode control overrides */
1568         cx231xx_do_mode_ctrl_overrides(dev);
1569
1570         dprintk(3, "exit vidioc_s_std() i=0x%x\n", i);
1571         return 0;
1572 }
1573
1574 static int vidioc_s_ctrl(struct file *file, void *priv,
1575                                 struct v4l2_control *ctl)
1576 {
1577         struct cx231xx_fh  *fh  = file->private_data;
1578         struct cx231xx *dev = fh->dev;
1579         struct v4l2_subdev *sd;
1580
1581         dprintk(3, "enter vidioc_s_ctrl()\n");
1582         /* Update the A/V core */
1583         v4l2_device_for_each_subdev(sd, &dev->v4l2_dev)
1584                 v4l2_s_ctrl(NULL, sd->ctrl_handler, ctl);
1585         dprintk(3, "exit vidioc_s_ctrl()\n");
1586         return 0;
1587 }
1588
1589 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
1590                                         struct v4l2_fmtdesc *f)
1591 {
1592         if (f->index != 0)
1593                 return -EINVAL;
1594
1595         strscpy(f->description, "MPEG", sizeof(f->description));
1596         f->pixelformat = V4L2_PIX_FMT_MPEG;
1597
1598         return 0;
1599 }
1600
1601 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1602                                 struct v4l2_format *f)
1603 {
1604         struct cx231xx_fh  *fh  = file->private_data;
1605         struct cx231xx *dev = fh->dev;
1606
1607         dprintk(3, "enter vidioc_g_fmt_vid_cap()\n");
1608         f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
1609         f->fmt.pix.bytesperline = 0;
1610         f->fmt.pix.sizeimage = mpeglines * mpeglinesize;
1611         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1612         f->fmt.pix.width = dev->ts1.width;
1613         f->fmt.pix.height = dev->ts1.height;
1614         f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1615         dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d\n",
1616                 dev->ts1.width, dev->ts1.height);
1617         dprintk(3, "exit vidioc_g_fmt_vid_cap()\n");
1618         return 0;
1619 }
1620
1621 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1622                                 struct v4l2_format *f)
1623 {
1624         struct cx231xx_fh  *fh  = file->private_data;
1625         struct cx231xx *dev = fh->dev;
1626
1627         dprintk(3, "enter vidioc_try_fmt_vid_cap()\n");
1628         f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
1629         f->fmt.pix.bytesperline = 0;
1630         f->fmt.pix.sizeimage = mpeglines * mpeglinesize;
1631         f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1632         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1633         dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d\n",
1634                 dev->ts1.width, dev->ts1.height);
1635         dprintk(3, "exit vidioc_try_fmt_vid_cap()\n");
1636         return 0;
1637 }
1638
1639 static int vidioc_reqbufs(struct file *file, void *priv,
1640                                 struct v4l2_requestbuffers *p)
1641 {
1642         struct cx231xx_fh  *fh  = file->private_data;
1643
1644         return videobuf_reqbufs(&fh->vidq, p);
1645 }
1646
1647 static int vidioc_querybuf(struct file *file, void *priv,
1648                                 struct v4l2_buffer *p)
1649 {
1650         struct cx231xx_fh  *fh  = file->private_data;
1651
1652         return videobuf_querybuf(&fh->vidq, p);
1653 }
1654
1655 static int vidioc_qbuf(struct file *file, void *priv,
1656                                 struct v4l2_buffer *p)
1657 {
1658         struct cx231xx_fh  *fh  = file->private_data;
1659
1660         return videobuf_qbuf(&fh->vidq, p);
1661 }
1662
1663 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
1664 {
1665         struct cx231xx_fh  *fh  = priv;
1666
1667         return videobuf_dqbuf(&fh->vidq, b, file->f_flags & O_NONBLOCK);
1668 }
1669
1670
1671 static int vidioc_streamon(struct file *file, void *priv,
1672                                 enum v4l2_buf_type i)
1673 {
1674         struct cx231xx_fh  *fh  = file->private_data;
1675         struct cx231xx *dev = fh->dev;
1676
1677         dprintk(3, "enter vidioc_streamon()\n");
1678         cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
1679         cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
1680         if (dev->USE_ISO)
1681                 cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS,
1682                                 CX231XX_NUM_BUFS,
1683                                 dev->video_mode.max_pkt_size,
1684                                 cx231xx_isoc_copy);
1685         else {
1686                 cx231xx_init_bulk(dev, 320,
1687                                 5,
1688                                 dev->ts1_mode.max_pkt_size,
1689                                 cx231xx_bulk_copy);
1690         }
1691         dprintk(3, "exit vidioc_streamon()\n");
1692         return videobuf_streamon(&fh->vidq);
1693 }
1694
1695 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1696 {
1697         struct cx231xx_fh  *fh  = file->private_data;
1698
1699         return videobuf_streamoff(&fh->vidq);
1700 }
1701
1702 static int vidioc_log_status(struct file *file, void *priv)
1703 {
1704         struct cx231xx_fh  *fh  = priv;
1705         struct cx231xx *dev = fh->dev;
1706
1707         call_all(dev, core, log_status);
1708         return v4l2_ctrl_log_status(file, priv);
1709 }
1710
1711 static int mpeg_open(struct file *file)
1712 {
1713         struct video_device *vdev = video_devdata(file);
1714         struct cx231xx *dev = video_drvdata(file);
1715         struct cx231xx_fh *fh;
1716
1717         dprintk(2, "%s()\n", __func__);
1718
1719         if (mutex_lock_interruptible(&dev->lock))
1720                 return -ERESTARTSYS;
1721
1722         /* allocate + initialize per filehandle data */
1723         fh = kzalloc(sizeof(*fh), GFP_KERNEL);
1724         if (NULL == fh) {
1725                 mutex_unlock(&dev->lock);
1726                 return -ENOMEM;
1727         }
1728
1729         file->private_data = fh;
1730         v4l2_fh_init(&fh->fh, vdev);
1731         fh->dev = dev;
1732
1733
1734         videobuf_queue_vmalloc_init(&fh->vidq, &cx231xx_qops,
1735                             NULL, &dev->video_mode.slock,
1736                             V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED,
1737                             sizeof(struct cx231xx_buffer), fh, &dev->lock);
1738 /*
1739         videobuf_queue_sg_init(&fh->vidq, &cx231xx_qops,
1740                             dev->dev, &dev->ts1.slock,
1741                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1742                             V4L2_FIELD_INTERLACED,
1743                             sizeof(struct cx231xx_buffer),
1744                             fh, &dev->lock);
1745 */
1746
1747         cx231xx_set_alt_setting(dev, INDEX_VANC, 1);
1748         cx231xx_set_gpio_value(dev, 2, 0);
1749
1750         cx231xx_initialize_codec(dev);
1751
1752         mutex_unlock(&dev->lock);
1753         v4l2_fh_add(&fh->fh);
1754         cx231xx_start_TS1(dev);
1755
1756         return 0;
1757 }
1758
1759 static int mpeg_release(struct file *file)
1760 {
1761         struct cx231xx_fh  *fh  = file->private_data;
1762         struct cx231xx *dev = fh->dev;
1763
1764         dprintk(3, "mpeg_release()! dev=0x%p\n", dev);
1765
1766         mutex_lock(&dev->lock);
1767
1768         cx231xx_stop_TS1(dev);
1769
1770         /* do this before setting alternate! */
1771         if (dev->USE_ISO)
1772                 cx231xx_uninit_isoc(dev);
1773         else
1774                 cx231xx_uninit_bulk(dev);
1775         cx231xx_set_mode(dev, CX231XX_SUSPEND);
1776
1777         cx231xx_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1778                         CX231xx_END_NOW, CX231xx_MPEG_CAPTURE,
1779                         CX231xx_RAW_BITS_NONE);
1780
1781         /* FIXME: Review this crap */
1782         /* Shut device down on last close */
1783         if (atomic_cmpxchg(&fh->v4l_reading, 1, 0) == 1) {
1784                 if (atomic_dec_return(&dev->v4l_reader_count) == 0) {
1785                         /* stop mpeg capture */
1786
1787                         msleep(500);
1788                         cx231xx_417_check_encoder(dev);
1789
1790                 }
1791         }
1792
1793         if (fh->vidq.streaming)
1794                 videobuf_streamoff(&fh->vidq);
1795         if (fh->vidq.reading)
1796                 videobuf_read_stop(&fh->vidq);
1797
1798         videobuf_mmap_free(&fh->vidq);
1799         v4l2_fh_del(&fh->fh);
1800         v4l2_fh_exit(&fh->fh);
1801         kfree(fh);
1802         mutex_unlock(&dev->lock);
1803         return 0;
1804 }
1805
1806 static ssize_t mpeg_read(struct file *file, char __user *data,
1807         size_t count, loff_t *ppos)
1808 {
1809         struct cx231xx_fh *fh = file->private_data;
1810         struct cx231xx *dev = fh->dev;
1811
1812         /* Deal w/ A/V decoder * and mpeg encoder sync issues. */
1813         /* Start mpeg encoder on first read. */
1814         if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) {
1815                 if (atomic_inc_return(&dev->v4l_reader_count) == 1) {
1816                         if (cx231xx_initialize_codec(dev) < 0)
1817                                 return -EINVAL;
1818                 }
1819         }
1820
1821         return videobuf_read_stream(&fh->vidq, data, count, ppos, 0,
1822                                     file->f_flags & O_NONBLOCK);
1823 }
1824
1825 static __poll_t mpeg_poll(struct file *file,
1826         struct poll_table_struct *wait)
1827 {
1828         __poll_t req_events = poll_requested_events(wait);
1829         struct cx231xx_fh *fh = file->private_data;
1830         struct cx231xx *dev = fh->dev;
1831         __poll_t res = 0;
1832
1833         if (v4l2_event_pending(&fh->fh))
1834                 res |= EPOLLPRI;
1835         else
1836                 poll_wait(file, &fh->fh.wait, wait);
1837
1838         if (!(req_events & (EPOLLIN | EPOLLRDNORM)))
1839                 return res;
1840
1841         mutex_lock(&dev->lock);
1842         res |= videobuf_poll_stream(file, &fh->vidq, wait);
1843         mutex_unlock(&dev->lock);
1844         return res;
1845 }
1846
1847 static int mpeg_mmap(struct file *file, struct vm_area_struct *vma)
1848 {
1849         struct cx231xx_fh *fh = file->private_data;
1850
1851         dprintk(2, "%s()\n", __func__);
1852
1853         return videobuf_mmap_mapper(&fh->vidq, vma);
1854 }
1855
1856 static const struct v4l2_file_operations mpeg_fops = {
1857         .owner         = THIS_MODULE,
1858         .open          = mpeg_open,
1859         .release       = mpeg_release,
1860         .read          = mpeg_read,
1861         .poll          = mpeg_poll,
1862         .mmap          = mpeg_mmap,
1863         .unlocked_ioctl = video_ioctl2,
1864 };
1865
1866 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1867         .vidioc_s_std            = vidioc_s_std,
1868         .vidioc_g_std            = vidioc_g_std,
1869         .vidioc_g_tuner          = cx231xx_g_tuner,
1870         .vidioc_s_tuner          = cx231xx_s_tuner,
1871         .vidioc_g_frequency      = cx231xx_g_frequency,
1872         .vidioc_s_frequency      = cx231xx_s_frequency,
1873         .vidioc_enum_input       = cx231xx_enum_input,
1874         .vidioc_g_input          = cx231xx_g_input,
1875         .vidioc_s_input          = cx231xx_s_input,
1876         .vidioc_s_ctrl           = vidioc_s_ctrl,
1877         .vidioc_g_pixelaspect    = vidioc_g_pixelaspect,
1878         .vidioc_g_selection      = vidioc_g_selection,
1879         .vidioc_querycap         = cx231xx_querycap,
1880         .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1881         .vidioc_g_fmt_vid_cap    = vidioc_g_fmt_vid_cap,
1882         .vidioc_try_fmt_vid_cap  = vidioc_try_fmt_vid_cap,
1883         .vidioc_s_fmt_vid_cap    = vidioc_try_fmt_vid_cap,
1884         .vidioc_reqbufs          = vidioc_reqbufs,
1885         .vidioc_querybuf         = vidioc_querybuf,
1886         .vidioc_qbuf             = vidioc_qbuf,
1887         .vidioc_dqbuf            = vidioc_dqbuf,
1888         .vidioc_streamon         = vidioc_streamon,
1889         .vidioc_streamoff        = vidioc_streamoff,
1890         .vidioc_log_status       = vidioc_log_status,
1891 #ifdef CONFIG_VIDEO_ADV_DEBUG
1892         .vidioc_g_register       = cx231xx_g_register,
1893         .vidioc_s_register       = cx231xx_s_register,
1894 #endif
1895         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1896         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1897 };
1898
1899 static struct video_device cx231xx_mpeg_template = {
1900         .name          = "cx231xx",
1901         .fops          = &mpeg_fops,
1902         .ioctl_ops     = &mpeg_ioctl_ops,
1903         .minor         = -1,
1904         .tvnorms       = V4L2_STD_ALL,
1905 };
1906
1907 void cx231xx_417_unregister(struct cx231xx *dev)
1908 {
1909         dprintk(1, "%s()\n", __func__);
1910         dprintk(3, "%s()\n", __func__);
1911
1912         if (video_is_registered(&dev->v4l_device)) {
1913                 video_unregister_device(&dev->v4l_device);
1914                 v4l2_ctrl_handler_free(&dev->mpeg_ctrl_handler.hdl);
1915         }
1916 }
1917
1918 static int cx231xx_s_video_encoding(struct cx2341x_handler *cxhdl, u32 val)
1919 {
1920         struct cx231xx *dev = container_of(cxhdl, struct cx231xx, mpeg_ctrl_handler);
1921         int is_mpeg1 = val == V4L2_MPEG_VIDEO_ENCODING_MPEG_1;
1922         struct v4l2_subdev_format format = {
1923                 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
1924         };
1925
1926         /* fix videodecoder resolution */
1927         format.format.width = cxhdl->width / (is_mpeg1 ? 2 : 1);
1928         format.format.height = cxhdl->height;
1929         format.format.code = MEDIA_BUS_FMT_FIXED;
1930         v4l2_subdev_call(dev->sd_cx25840, pad, set_fmt, NULL, &format);
1931         return 0;
1932 }
1933
1934 static int cx231xx_s_audio_sampling_freq(struct cx2341x_handler *cxhdl, u32 idx)
1935 {
1936         static const u32 freqs[3] = { 44100, 48000, 32000 };
1937         struct cx231xx *dev = container_of(cxhdl, struct cx231xx, mpeg_ctrl_handler);
1938
1939         /* The audio clock of the digitizer must match the codec sample
1940            rate otherwise you get some very strange effects. */
1941         if (idx < ARRAY_SIZE(freqs))
1942                 call_all(dev, audio, s_clock_freq, freqs[idx]);
1943         return 0;
1944 }
1945
1946 static const struct cx2341x_handler_ops cx231xx_ops = {
1947         /* needed for the video clock freq */
1948         .s_audio_sampling_freq = cx231xx_s_audio_sampling_freq,
1949         /* needed for setting up the video resolution */
1950         .s_video_encoding = cx231xx_s_video_encoding,
1951 };
1952
1953 static void cx231xx_video_dev_init(
1954         struct cx231xx *dev,
1955         struct usb_device *usbdev,
1956         struct video_device *vfd,
1957         const struct video_device *template,
1958         const char *type)
1959 {
1960         dprintk(1, "%s()\n", __func__);
1961         *vfd = *template;
1962         snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name,
1963                 type, cx231xx_boards[dev->model].name);
1964
1965         vfd->v4l2_dev = &dev->v4l2_dev;
1966         vfd->lock = &dev->lock;
1967         vfd->release = video_device_release_empty;
1968         vfd->ctrl_handler = &dev->mpeg_ctrl_handler.hdl;
1969         video_set_drvdata(vfd, dev);
1970         if (dev->tuner_type == TUNER_ABSENT) {
1971                 v4l2_disable_ioctl(vfd, VIDIOC_G_FREQUENCY);
1972                 v4l2_disable_ioctl(vfd, VIDIOC_S_FREQUENCY);
1973                 v4l2_disable_ioctl(vfd, VIDIOC_G_TUNER);
1974                 v4l2_disable_ioctl(vfd, VIDIOC_S_TUNER);
1975         }
1976 }
1977
1978 int cx231xx_417_register(struct cx231xx *dev)
1979 {
1980         /* FIXME: Port1 hardcoded here */
1981         int err = -ENODEV;
1982         struct cx231xx_tsport *tsport = &dev->ts1;
1983
1984         dprintk(1, "%s()\n", __func__);
1985
1986         /* Set default TV standard */
1987         dev->encodernorm = cx231xx_tvnorms[0];
1988
1989         if (dev->encodernorm.id & V4L2_STD_525_60)
1990                 tsport->height = 480;
1991         else
1992                 tsport->height = 576;
1993
1994         tsport->width = 720;
1995         err = cx2341x_handler_init(&dev->mpeg_ctrl_handler, 50);
1996         if (err) {
1997                 dprintk(3, "%s: can't init cx2341x controls\n", dev->name);
1998                 return err;
1999         }
2000         dev->mpeg_ctrl_handler.func = cx231xx_mbox_func;
2001         dev->mpeg_ctrl_handler.priv = dev;
2002         dev->mpeg_ctrl_handler.ops = &cx231xx_ops;
2003         if (dev->sd_cx25840)
2004                 v4l2_ctrl_add_handler(&dev->mpeg_ctrl_handler.hdl,
2005                                 dev->sd_cx25840->ctrl_handler, NULL, false);
2006         if (dev->mpeg_ctrl_handler.hdl.error) {
2007                 err = dev->mpeg_ctrl_handler.hdl.error;
2008                 dprintk(3, "%s: can't add cx25840 controls\n", dev->name);
2009                 v4l2_ctrl_handler_free(&dev->mpeg_ctrl_handler.hdl);
2010                 return err;
2011         }
2012         dev->norm = V4L2_STD_NTSC;
2013
2014         dev->mpeg_ctrl_handler.port = CX2341X_PORT_SERIAL;
2015         cx2341x_handler_set_50hz(&dev->mpeg_ctrl_handler, false);
2016
2017         /* Allocate and initialize V4L video device */
2018         cx231xx_video_dev_init(dev, dev->udev,
2019                         &dev->v4l_device, &cx231xx_mpeg_template, "mpeg");
2020         err = video_register_device(&dev->v4l_device,
2021                 VFL_TYPE_GRABBER, -1);
2022         if (err < 0) {
2023                 dprintk(3, "%s: can't register mpeg device\n", dev->name);
2024                 v4l2_ctrl_handler_free(&dev->mpeg_ctrl_handler.hdl);
2025                 return err;
2026         }
2027
2028         dprintk(3, "%s: registered device video%d [mpeg]\n",
2029                dev->name, dev->v4l_device.num);
2030
2031         return 0;
2032 }
2033
2034 MODULE_FIRMWARE(CX231xx_FIRM_IMAGE_NAME);