V4L/DVB (9721): cx18: Change to singlethreaded global work queue thread for deferable...
[safe/jmp/linux-2.6] / drivers / media / video / cx18 / cx18-mailbox.c
1 /*
2  *  cx18 mailbox functions
3  *
4  *  Copyright (C) 2007  Hans Verkuil <hverkuil@xs4all.nl>
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, write to the Free Software
18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19  *  02111-1307  USA
20  */
21
22 #include <stdarg.h>
23
24 #include "cx18-driver.h"
25 #include "cx18-io.h"
26 #include "cx18-scb.h"
27 #include "cx18-irq.h"
28 #include "cx18-mailbox.h"
29 #include "cx18-queue.h"
30 #include "cx18-streams.h"
31
32 static const char *rpu_str[] = { "APU", "CPU", "EPU", "HPU" };
33
34 #define API_FAST (1 << 2) /* Short timeout */
35 #define API_SLOW (1 << 3) /* Additional 300ms timeout */
36
37 struct cx18_api_info {
38         u32 cmd;
39         u8 flags;               /* Flags, see above */
40         u8 rpu;                 /* Processing unit */
41         const char *name;       /* The name of the command */
42 };
43
44 #define API_ENTRY(rpu, x, f) { (x), (f), (rpu), #x }
45
46 static const struct cx18_api_info api_info[] = {
47         /* MPEG encoder API */
48         API_ENTRY(CPU, CX18_CPU_SET_CHANNEL_TYPE,               0),
49         API_ENTRY(CPU, CX18_EPU_DEBUG,                          0),
50         API_ENTRY(CPU, CX18_CREATE_TASK,                        0),
51         API_ENTRY(CPU, CX18_DESTROY_TASK,                       0),
52         API_ENTRY(CPU, CX18_CPU_CAPTURE_START,                  API_SLOW),
53         API_ENTRY(CPU, CX18_CPU_CAPTURE_STOP,                   API_SLOW),
54         API_ENTRY(CPU, CX18_CPU_CAPTURE_PAUSE,                  0),
55         API_ENTRY(CPU, CX18_CPU_CAPTURE_RESUME,                 0),
56         API_ENTRY(CPU, CX18_CPU_SET_CHANNEL_TYPE,               0),
57         API_ENTRY(CPU, CX18_CPU_SET_STREAM_OUTPUT_TYPE,         0),
58         API_ENTRY(CPU, CX18_CPU_SET_VIDEO_IN,                   0),
59         API_ENTRY(CPU, CX18_CPU_SET_VIDEO_RATE,                 0),
60         API_ENTRY(CPU, CX18_CPU_SET_VIDEO_RESOLUTION,           0),
61         API_ENTRY(CPU, CX18_CPU_SET_FILTER_PARAM,               0),
62         API_ENTRY(CPU, CX18_CPU_SET_SPATIAL_FILTER_TYPE,        0),
63         API_ENTRY(CPU, CX18_CPU_SET_MEDIAN_CORING,              0),
64         API_ENTRY(CPU, CX18_CPU_SET_INDEXTABLE,                 0),
65         API_ENTRY(CPU, CX18_CPU_SET_AUDIO_PARAMETERS,           0),
66         API_ENTRY(CPU, CX18_CPU_SET_VIDEO_MUTE,                 0),
67         API_ENTRY(CPU, CX18_CPU_SET_AUDIO_MUTE,                 0),
68         API_ENTRY(CPU, CX18_CPU_SET_MISC_PARAMETERS,            0),
69         API_ENTRY(CPU, CX18_CPU_SET_RAW_VBI_PARAM,              API_SLOW),
70         API_ENTRY(CPU, CX18_CPU_SET_CAPTURE_LINE_NO,            0),
71         API_ENTRY(CPU, CX18_CPU_SET_COPYRIGHT,                  0),
72         API_ENTRY(CPU, CX18_CPU_SET_AUDIO_PID,                  0),
73         API_ENTRY(CPU, CX18_CPU_SET_VIDEO_PID,                  0),
74         API_ENTRY(CPU, CX18_CPU_SET_VER_CROP_LINE,              0),
75         API_ENTRY(CPU, CX18_CPU_SET_GOP_STRUCTURE,              0),
76         API_ENTRY(CPU, CX18_CPU_SET_SCENE_CHANGE_DETECTION,     0),
77         API_ENTRY(CPU, CX18_CPU_SET_ASPECT_RATIO,               0),
78         API_ENTRY(CPU, CX18_CPU_SET_SKIP_INPUT_FRAME,           0),
79         API_ENTRY(CPU, CX18_CPU_SET_SLICED_VBI_PARAM,           0),
80         API_ENTRY(CPU, CX18_CPU_SET_USERDATA_PLACE_HOLDER,      0),
81         API_ENTRY(CPU, CX18_CPU_GET_ENC_PTS,                    0),
82         API_ENTRY(CPU, CX18_CPU_DE_SET_MDL_ACK,                 0),
83         API_ENTRY(CPU, CX18_CPU_DE_SET_MDL,                     API_FAST),
84         API_ENTRY(CPU, CX18_APU_RESETAI,                        API_FAST),
85         API_ENTRY(CPU, CX18_CPU_DE_RELEASE_MDL,                 API_SLOW),
86         API_ENTRY(0, 0,                                         0),
87 };
88
89 static const struct cx18_api_info *find_api_info(u32 cmd)
90 {
91         int i;
92
93         for (i = 0; api_info[i].cmd; i++)
94                 if (api_info[i].cmd == cmd)
95                         return &api_info[i];
96         return NULL;
97 }
98
99 static void dump_mb(struct cx18 *cx, struct cx18_mailbox *mb, char *name)
100 {
101         char argstr[MAX_MB_ARGUMENTS*11+1];
102         char *p;
103         int i;
104
105         if (!(cx18_debug & CX18_DBGFLG_API))
106                 return;
107
108         for (i = 0, p = argstr; i < MAX_MB_ARGUMENTS; i++, p += 11) {
109                 /* kernel snprintf() appends '\0' always */
110                 snprintf(p, 12, " %#010x", mb->args[i]);
111         }
112         CX18_DEBUG_API("%s: req %#010x ack %#010x cmd %#010x err %#010x args%s"
113                 "\n", name, mb->request, mb->ack, mb->cmd, mb->error, argstr);
114 }
115
116
117 /*
118  * Functions that run in a work_queue work handling context
119  */
120
121 static void epu_dma_done(struct cx18 *cx, struct cx18_epu_work_order *order)
122 {
123         u32 handle, mdl_ack_count;
124         struct cx18_mailbox *mb;
125         struct cx18_mdl_ack *mdl_ack;
126         struct cx18_stream *s;
127         struct cx18_buffer *buf;
128         int i;
129
130         mb = &order->mb;
131         handle = mb->args[0];
132         s = cx18_handle_to_stream(cx, handle);
133
134         if (s == NULL) {
135                 CX18_WARN("Got DMA done notification for unknown/inactive"
136                           " handle %d\n", handle);
137                 return;
138         }
139
140         mdl_ack_count = mb->args[2];
141         mdl_ack = order->mdl_ack;
142         for (i = 0; i < mdl_ack_count; i++, mdl_ack++) {
143                 buf = cx18_queue_get_buf(s, mdl_ack->id, mdl_ack->data_used);
144                 CX18_DEBUG_HI_DMA("DMA DONE for %s (buffer %d)\n", s->name,
145                                   mdl_ack->id);
146                 if (buf == NULL) {
147                         CX18_WARN("Could not find buf %d for stream %s\n",
148                                   mdl_ack->id, s->name);
149                         continue;
150                 }
151
152                 cx18_buf_sync_for_cpu(s, buf);
153                 if (s->type == CX18_ENC_STREAM_TYPE_TS && s->dvb.enabled) {
154                         CX18_DEBUG_HI_DMA("TS recv bytesused = %d\n",
155                                           buf->bytesused);
156
157                         dvb_dmx_swfilter(&s->dvb.demux, buf->buf,
158                                          buf->bytesused);
159
160                         cx18_buf_sync_for_device(s, buf);
161
162                         if (s->handle != CX18_INVALID_TASK_HANDLE &&
163                             test_bit(CX18_F_S_STREAMING, &s->s_flags))
164                                 cx18_vapi(cx,
165                                        CX18_CPU_DE_SET_MDL, 5, s->handle,
166                                        (void __iomem *)
167                                        &cx->scb->cpu_mdl[buf->id] - cx->enc_mem,
168                                        1, buf->id, s->buf_size);
169                 } else
170                         set_bit(CX18_F_B_NEED_BUF_SWAP, &buf->b_flags);
171         }
172         wake_up(&cx->dma_waitq);
173         if (s->id != -1)
174                 wake_up(&s->waitq);
175 }
176
177 static void epu_debug(struct cx18 *cx, struct cx18_epu_work_order *order)
178 {
179         char *p;
180         char *str = order->str;
181
182         CX18_DEBUG_INFO("%x %s\n", order->mb.args[0], str);
183         p = strchr(str, '.');
184         if (!test_bit(CX18_F_I_LOADED_FW, &cx->i_flags) && p && p > str)
185                 CX18_INFO("FW version: %s\n", p - 1);
186 }
187
188 static void epu_cmd(struct cx18 *cx, struct cx18_epu_work_order *order)
189 {
190         switch (order->rpu) {
191         case CPU:
192         {
193                 switch (order->mb.cmd) {
194                 case CX18_EPU_DMA_DONE:
195                         epu_dma_done(cx, order);
196                         break;
197                 case CX18_EPU_DEBUG:
198                         epu_debug(cx, order);
199                         break;
200                 default:
201                         CX18_WARN("Unknown CPU to EPU mailbox command %#0x\n",
202                                   order->mb.cmd);
203                         break;
204                 }
205                 break;
206         }
207         case APU:
208                 CX18_WARN("Unknown APU to EPU mailbox command %#0x\n",
209                           order->mb.cmd);
210                 break;
211         default:
212                 break;
213         }
214 }
215
216 static
217 void free_epu_work_order(struct cx18 *cx, struct cx18_epu_work_order *order)
218 {
219         atomic_set(&order->pending, 0);
220 }
221
222 void cx18_epu_work_handler(struct work_struct *work)
223 {
224         struct cx18_epu_work_order *order =
225                         container_of(work, struct cx18_epu_work_order, work);
226         struct cx18 *cx = order->cx;
227         epu_cmd(cx, order);
228         free_epu_work_order(cx, order);
229 }
230
231
232 /*
233  * Functions that run in an interrupt handling context
234  */
235
236 static void mb_ack_irq(struct cx18 *cx, const struct cx18_epu_work_order *order)
237 {
238         struct cx18_mailbox __iomem *ack_mb;
239         u32 ack_irq, req;
240
241         switch (order->rpu) {
242         case APU:
243                 ack_irq = IRQ_EPU_TO_APU_ACK;
244                 ack_mb = &cx->scb->apu2epu_mb;
245                 break;
246         case CPU:
247                 ack_irq = IRQ_EPU_TO_CPU_ACK;
248                 ack_mb = &cx->scb->cpu2epu_mb;
249                 break;
250         default:
251                 CX18_WARN("Unhandled RPU (%d) for command %x ack\n",
252                           order->rpu, order->mb.cmd);
253                 return;
254         }
255
256         req = order->mb.request;
257         /* Don't ack if the RPU has gotten impatient and timed us out */
258         if (req != cx18_readl(cx, &ack_mb->request) ||
259             req == cx18_readl(cx, &ack_mb->ack))
260                 return;
261         cx18_writel(cx, req, &ack_mb->ack);
262         cx18_write_reg_expect(cx, ack_irq, SW2_INT_SET, ack_irq, ack_irq);
263         return;
264 }
265
266 static int epu_dma_done_irq(struct cx18 *cx, struct cx18_epu_work_order *order,
267                             int stale)
268 {
269         u32 handle, mdl_ack_offset, mdl_ack_count;
270         struct cx18_mailbox *mb;
271
272         mb = &order->mb;
273         handle = mb->args[0];
274         mdl_ack_offset = mb->args[1];
275         mdl_ack_count = mb->args[2];
276
277         if (handle == CX18_INVALID_TASK_HANDLE ||
278             mdl_ack_count == 0 || mdl_ack_count > CX18_MAX_MDL_ACKS) {
279                 if (!stale)
280                         mb_ack_irq(cx, order);
281                 return -1;
282         }
283
284         cx18_memcpy_fromio(cx, order->mdl_ack, cx->enc_mem + mdl_ack_offset,
285                            sizeof(struct cx18_mdl_ack) * mdl_ack_count);
286         if (!stale)
287                 mb_ack_irq(cx, order);
288         return 1;
289 }
290
291 static
292 int epu_debug_irq(struct cx18 *cx, struct cx18_epu_work_order *order, int stale)
293 {
294         u32 str_offset;
295         char *str = order->str;
296
297         str[0] = '\0';
298         str_offset = order->mb.args[1];
299         if (str_offset) {
300                 cx18_setup_page(cx, str_offset);
301                 cx18_memcpy_fromio(cx, str, cx->enc_mem + str_offset, 252);
302                 str[252] = '\0';
303                 cx18_setup_page(cx, SCB_OFFSET);
304         }
305
306         if (!stale)
307                 mb_ack_irq(cx, order);
308
309         return str_offset ? 1 : 0;
310 }
311
312 static inline
313 int epu_cmd_irq(struct cx18 *cx, struct cx18_epu_work_order *order, int stale)
314 {
315         int ret = -1;
316
317         switch (order->rpu) {
318         case CPU:
319         {
320                 switch (order->mb.cmd) {
321                 case CX18_EPU_DMA_DONE:
322                         ret = epu_dma_done_irq(cx, order, stale);
323                         break;
324                 case CX18_EPU_DEBUG:
325                         ret = epu_debug_irq(cx, order, stale);
326                         break;
327                 default:
328                         CX18_WARN("Unknown CPU to EPU mailbox command %#0x\n",
329                                   order->mb.cmd);
330                         break;
331                 }
332                 break;
333         }
334         case APU:
335                 CX18_WARN("Unknown APU to EPU mailbox command %#0x\n",
336                           order->mb.cmd);
337                 break;
338         default:
339                 break;
340         }
341         return ret;
342 }
343
344 static inline
345 struct cx18_epu_work_order *alloc_epu_work_order_irq(struct cx18 *cx)
346 {
347         int i;
348         struct cx18_epu_work_order *order = NULL;
349
350         for (i = 0; i < CX18_MAX_EPU_WORK_ORDERS; i++) {
351                 /*
352                  * We only need "pending" atomic to inspect its contents,
353                  * and need not do a check and set because:
354                  * 1. Any work handler thread only clears "pending" and only
355                  * on one, particular work order at a time, per handler thread.
356                  * 2. "pending" is only set here, and we're serialized because
357                  * we're called in an IRQ handler context.
358                  */
359                 if (atomic_read(&cx->epu_work_order[i].pending) == 0) {
360                         order = &cx->epu_work_order[i];
361                         atomic_set(&order->pending, 1);
362                         break;
363                 }
364         }
365         return order;
366 }
367
368 void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu)
369 {
370         struct cx18_mailbox __iomem *mb;
371         struct cx18_mailbox *order_mb;
372         struct cx18_epu_work_order *order;
373         int stale = 0;
374         int submit;
375
376         switch (rpu) {
377         case CPU:
378                 mb = &cx->scb->cpu2epu_mb;
379                 break;
380         case APU:
381                 mb = &cx->scb->apu2epu_mb;
382                 break;
383         default:
384                 return;
385         }
386
387         order = alloc_epu_work_order_irq(cx);
388         if (order == NULL) {
389                 CX18_WARN("Unable to find blank work order form to schedule "
390                           "incoming mailbox command processing\n");
391                 return;
392         }
393
394         order->rpu = rpu;
395         order_mb = &order->mb;
396         cx18_memcpy_fromio(cx, order_mb, mb, sizeof(struct cx18_mailbox));
397
398         if (order_mb->request == order_mb->ack) {
399                 CX18_WARN("Possibly falling behind: %s self-ack'ed our incoming"
400                           " %s to EPU mailbox (sequence no. %u)\n",
401                           rpu_str[rpu], rpu_str[rpu], order_mb->request);
402                 dump_mb(cx, order_mb, "incoming");
403                 stale = 1;
404         }
405
406         /*
407          * Individual EPU command processing is responsible for ack-ing
408          * a non-stale mailbox as soon as possible
409          */
410         submit = epu_cmd_irq(cx, order, stale);
411         if (submit > 0) {
412                 queue_work(cx18_work_queue, &order->work);
413         }
414 }
415
416
417 /*
418  * Functions called from a non-interrupt, non work_queue context
419  */
420
421 static void cx18_api_log_ack_delay(struct cx18 *cx, int msecs)
422 {
423         if (msecs > CX18_MAX_MB_ACK_DELAY)
424                 msecs = CX18_MAX_MB_ACK_DELAY;
425         atomic_inc(&cx->mbox_stats.mb_ack_delay[msecs]);
426 }
427
428 static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[])
429 {
430         const struct cx18_api_info *info = find_api_info(cmd);
431         u32 state, irq, req, ack, err;
432         struct cx18_mailbox __iomem *mb;
433         u32 __iomem *xpu_state;
434         wait_queue_head_t *waitq;
435         struct mutex *mb_lock;
436         long int timeout, ret;
437         int i;
438
439         if (info == NULL) {
440                 CX18_WARN("unknown cmd %x\n", cmd);
441                 return -EINVAL;
442         }
443
444         if (cmd == CX18_CPU_DE_SET_MDL)
445                 CX18_DEBUG_HI_API("%s\n", info->name);
446         else
447                 CX18_DEBUG_API("%s\n", info->name);
448
449         switch (info->rpu) {
450         case APU:
451                 waitq = &cx->mb_apu_waitq;
452                 mb_lock = &cx->epu2apu_mb_lock;
453                 irq = IRQ_EPU_TO_APU;
454                 mb = &cx->scb->epu2apu_mb;
455                 xpu_state = &cx->scb->apu_state;
456                 break;
457         case CPU:
458                 waitq = &cx->mb_cpu_waitq;
459                 mb_lock = &cx->epu2cpu_mb_lock;
460                 irq = IRQ_EPU_TO_CPU;
461                 mb = &cx->scb->epu2cpu_mb;
462                 xpu_state = &cx->scb->cpu_state;
463                 break;
464         default:
465                 CX18_WARN("Unknown RPU (%d) for API call\n", info->rpu);
466                 return -EINVAL;
467         }
468
469         mutex_lock(mb_lock);
470         /*
471          * Wait for an in-use mailbox to complete
472          *
473          * If the XPU is responding with Ack's, the mailbox shouldn't be in
474          * a busy state, since we serialize access to it on our end.
475          *
476          * If the wait for ack after sending a previous command was interrupted
477          * by a signal, we may get here and find a busy mailbox.  After waiting,
478          * mark it "not busy" from our end, if the XPU hasn't ack'ed it still.
479          */
480         state = cx18_readl(cx, xpu_state);
481         req = cx18_readl(cx, &mb->request);
482         timeout = msecs_to_jiffies(20); /* 1 field at 50 Hz vertical refresh */
483         ret = wait_event_timeout(*waitq,
484                                  (ack = cx18_readl(cx, &mb->ack)) == req,
485                                  timeout);
486         if (req != ack) {
487                 /* waited long enough, make the mbox "not busy" from our end */
488                 cx18_writel(cx, req, &mb->ack);
489                 CX18_ERR("mbox was found stuck busy when setting up for %s; "
490                          "clearing busy and trying to proceed\n", info->name);
491         } else if (ret != timeout)
492                 CX18_DEBUG_API("waited %u usecs for busy mbox to be acked\n",
493                                jiffies_to_usecs(timeout-ret));
494
495         /* Build the outgoing mailbox */
496         req = ((req & 0xfffffffe) == 0xfffffffe) ? 1 : req + 1;
497
498         cx18_writel(cx, cmd, &mb->cmd);
499         for (i = 0; i < args; i++)
500                 cx18_writel(cx, data[i], &mb->args[i]);
501         cx18_writel(cx, 0, &mb->error);
502         cx18_writel(cx, req, &mb->request);
503         cx18_writel(cx, req - 1, &mb->ack); /* ensure ack & req are distinct */
504
505         /*
506          * Notify the XPU and wait for it to send an Ack back
507          * 21 ms = ~ 0.5 frames at a frame rate of 24 fps
508          * 42 ms = ~ 1 frame at a frame rate of 24 fps
509          */
510         timeout = msecs_to_jiffies((info->flags & API_FAST) ? 21 : 42);
511
512         CX18_DEBUG_HI_IRQ("sending interrupt SW1: %x to send %s\n",
513                           irq, info->name);
514         cx18_write_reg_expect(cx, irq, SW1_INT_SET, irq, irq);
515
516         ret = wait_event_timeout(
517                        *waitq,
518                        cx18_readl(cx, &mb->ack) == cx18_readl(cx, &mb->request),
519                        timeout);
520         if (ret == 0) {
521                 /* Timed out */
522                 mutex_unlock(mb_lock);
523                 i = jiffies_to_msecs(timeout);
524                 cx18_api_log_ack_delay(cx, i);
525                 CX18_WARN("sending %s timed out waiting %d msecs for RPU "
526                           "acknowledgement\n", info->name, i);
527                 return -EINVAL;
528         } else if (ret < 0) {
529                 /* Interrupted */
530                 mutex_unlock(mb_lock);
531                 CX18_WARN("sending %s was interrupted waiting for RPU"
532                           "acknowledgement\n", info->name);
533                 return -EINTR;
534         }
535
536         i = jiffies_to_msecs(timeout-ret);
537         cx18_api_log_ack_delay(cx, i);
538         if (ret != timeout)
539                 CX18_DEBUG_HI_API("waited %u msecs for %s to be acked\n",
540                                   i, info->name);
541
542         /* Collect data returned by the XPU */
543         for (i = 0; i < MAX_MB_ARGUMENTS; i++)
544                 data[i] = cx18_readl(cx, &mb->args[i]);
545         err = cx18_readl(cx, &mb->error);
546         mutex_unlock(mb_lock);
547
548         /*
549          * Wait for XPU to perform extra actions for the caller in some cases.
550          * e.g. CX18_CPU_DE_RELEASE_MDL will cause the CPU to send all buffers
551          * back in a burst shortly thereafter
552          */
553         if (info->flags & API_SLOW)
554                 cx18_msleep_timeout(300, 0);
555
556         if (err)
557                 CX18_DEBUG_API("mailbox error %08x for command %s\n", err,
558                                 info->name);
559         return err ? -EIO : 0;
560 }
561
562 int cx18_api(struct cx18 *cx, u32 cmd, int args, u32 data[])
563 {
564         return cx18_api_call(cx, cmd, args, data);
565 }
566
567 static int cx18_set_filter_param(struct cx18_stream *s)
568 {
569         struct cx18 *cx = s->cx;
570         u32 mode;
571         int ret;
572
573         mode = (cx->filter_mode & 1) ? 2 : (cx->spatial_strength ? 1 : 0);
574         ret = cx18_vapi(cx, CX18_CPU_SET_FILTER_PARAM, 4,
575                         s->handle, 1, mode, cx->spatial_strength);
576         mode = (cx->filter_mode & 2) ? 2 : (cx->temporal_strength ? 1 : 0);
577         ret = ret ? ret : cx18_vapi(cx, CX18_CPU_SET_FILTER_PARAM, 4,
578                         s->handle, 0, mode, cx->temporal_strength);
579         ret = ret ? ret : cx18_vapi(cx, CX18_CPU_SET_FILTER_PARAM, 4,
580                         s->handle, 2, cx->filter_mode >> 2, 0);
581         return ret;
582 }
583
584 int cx18_api_func(void *priv, u32 cmd, int in, int out,
585                 u32 data[CX2341X_MBOX_MAX_DATA])
586 {
587         struct cx18 *cx = priv;
588         struct cx18_stream *s = &cx->streams[CX18_ENC_STREAM_TYPE_MPG];
589
590         switch (cmd) {
591         case CX2341X_ENC_SET_OUTPUT_PORT:
592                 return 0;
593         case CX2341X_ENC_SET_FRAME_RATE:
594                 return cx18_vapi(cx, CX18_CPU_SET_VIDEO_IN, 6,
595                                 s->handle, 0, 0, 0, 0, data[0]);
596         case CX2341X_ENC_SET_FRAME_SIZE:
597                 return cx18_vapi(cx, CX18_CPU_SET_VIDEO_RESOLUTION, 3,
598                                 s->handle, data[1], data[0]);
599         case CX2341X_ENC_SET_STREAM_TYPE:
600                 return cx18_vapi(cx, CX18_CPU_SET_STREAM_OUTPUT_TYPE, 2,
601                                 s->handle, data[0]);
602         case CX2341X_ENC_SET_ASPECT_RATIO:
603                 return cx18_vapi(cx, CX18_CPU_SET_ASPECT_RATIO, 2,
604                                 s->handle, data[0]);
605
606         case CX2341X_ENC_SET_GOP_PROPERTIES:
607                 return cx18_vapi(cx, CX18_CPU_SET_GOP_STRUCTURE, 3,
608                                 s->handle, data[0], data[1]);
609         case CX2341X_ENC_SET_GOP_CLOSURE:
610                 return 0;
611         case CX2341X_ENC_SET_AUDIO_PROPERTIES:
612                 return cx18_vapi(cx, CX18_CPU_SET_AUDIO_PARAMETERS, 2,
613                                 s->handle, data[0]);
614         case CX2341X_ENC_MUTE_AUDIO:
615                 return cx18_vapi(cx, CX18_CPU_SET_AUDIO_MUTE, 2,
616                                 s->handle, data[0]);
617         case CX2341X_ENC_SET_BIT_RATE:
618                 return cx18_vapi(cx, CX18_CPU_SET_VIDEO_RATE, 5,
619                                 s->handle, data[0], data[1], data[2], data[3]);
620         case CX2341X_ENC_MUTE_VIDEO:
621                 return cx18_vapi(cx, CX18_CPU_SET_VIDEO_MUTE, 2,
622                                 s->handle, data[0]);
623         case CX2341X_ENC_SET_FRAME_DROP_RATE:
624                 return cx18_vapi(cx, CX18_CPU_SET_SKIP_INPUT_FRAME, 2,
625                                 s->handle, data[0]);
626         case CX2341X_ENC_MISC:
627                 return cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 4,
628                                 s->handle, data[0], data[1], data[2]);
629         case CX2341X_ENC_SET_DNR_FILTER_MODE:
630                 cx->filter_mode = (data[0] & 3) | (data[1] << 2);
631                 return cx18_set_filter_param(s);
632         case CX2341X_ENC_SET_DNR_FILTER_PROPS:
633                 cx->spatial_strength = data[0];
634                 cx->temporal_strength = data[1];
635                 return cx18_set_filter_param(s);
636         case CX2341X_ENC_SET_SPATIAL_FILTER_TYPE:
637                 return cx18_vapi(cx, CX18_CPU_SET_SPATIAL_FILTER_TYPE, 3,
638                                 s->handle, data[0], data[1]);
639         case CX2341X_ENC_SET_CORING_LEVELS:
640                 return cx18_vapi(cx, CX18_CPU_SET_MEDIAN_CORING, 5,
641                                 s->handle, data[0], data[1], data[2], data[3]);
642         }
643         CX18_WARN("Unknown cmd %x\n", cmd);
644         return 0;
645 }
646
647 int cx18_vapi_result(struct cx18 *cx, u32 data[MAX_MB_ARGUMENTS],
648                 u32 cmd, int args, ...)
649 {
650         va_list ap;
651         int i;
652
653         va_start(ap, args);
654         for (i = 0; i < args; i++)
655                 data[i] = va_arg(ap, u32);
656         va_end(ap);
657         return cx18_api(cx, cmd, args, data);
658 }
659
660 int cx18_vapi(struct cx18 *cx, u32 cmd, int args, ...)
661 {
662         u32 data[MAX_MB_ARGUMENTS];
663         va_list ap;
664         int i;
665
666         if (cx == NULL) {
667                 CX18_ERR("cx == NULL (cmd=%x)\n", cmd);
668                 return 0;
669         }
670         if (args > MAX_MB_ARGUMENTS) {
671                 CX18_ERR("args too big (cmd=%x)\n", cmd);
672                 args = MAX_MB_ARGUMENTS;
673         }
674         va_start(ap, args);
675         for (i = 0; i < args; i++)
676                 data[i] = va_arg(ap, u32);
677         va_end(ap);
678         return cx18_api(cx, cmd, args, data);
679 }