2 * cx18 mailbox functions
4 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
5 * Copyright (C) 2008 Andy Walls <awalls@radix.net>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
25 #include "cx18-driver.h"
29 #include "cx18-mailbox.h"
30 #include "cx18-queue.h"
31 #include "cx18-streams.h"
33 static const char *rpu_str[] = { "APU", "CPU", "EPU", "HPU" };
35 #define API_FAST (1 << 2) /* Short timeout */
36 #define API_SLOW (1 << 3) /* Additional 300ms timeout */
38 struct cx18_api_info {
40 u8 flags; /* Flags, see above */
41 u8 rpu; /* Processing unit */
42 const char *name; /* The name of the command */
45 #define API_ENTRY(rpu, x, f) { (x), (f), (rpu), #x }
47 static const struct cx18_api_info api_info[] = {
48 /* MPEG encoder API */
49 API_ENTRY(CPU, CX18_CPU_SET_CHANNEL_TYPE, 0),
50 API_ENTRY(CPU, CX18_EPU_DEBUG, 0),
51 API_ENTRY(CPU, CX18_CREATE_TASK, 0),
52 API_ENTRY(CPU, CX18_DESTROY_TASK, 0),
53 API_ENTRY(CPU, CX18_CPU_CAPTURE_START, API_SLOW),
54 API_ENTRY(CPU, CX18_CPU_CAPTURE_STOP, API_SLOW),
55 API_ENTRY(CPU, CX18_CPU_CAPTURE_PAUSE, 0),
56 API_ENTRY(CPU, CX18_CPU_CAPTURE_RESUME, 0),
57 API_ENTRY(CPU, CX18_CPU_SET_CHANNEL_TYPE, 0),
58 API_ENTRY(CPU, CX18_CPU_SET_STREAM_OUTPUT_TYPE, 0),
59 API_ENTRY(CPU, CX18_CPU_SET_VIDEO_IN, 0),
60 API_ENTRY(CPU, CX18_CPU_SET_VIDEO_RATE, 0),
61 API_ENTRY(CPU, CX18_CPU_SET_VIDEO_RESOLUTION, 0),
62 API_ENTRY(CPU, CX18_CPU_SET_FILTER_PARAM, 0),
63 API_ENTRY(CPU, CX18_CPU_SET_SPATIAL_FILTER_TYPE, 0),
64 API_ENTRY(CPU, CX18_CPU_SET_MEDIAN_CORING, 0),
65 API_ENTRY(CPU, CX18_CPU_SET_INDEXTABLE, 0),
66 API_ENTRY(CPU, CX18_CPU_SET_AUDIO_PARAMETERS, 0),
67 API_ENTRY(CPU, CX18_CPU_SET_VIDEO_MUTE, 0),
68 API_ENTRY(CPU, CX18_CPU_SET_AUDIO_MUTE, 0),
69 API_ENTRY(CPU, CX18_CPU_SET_MISC_PARAMETERS, 0),
70 API_ENTRY(CPU, CX18_CPU_SET_RAW_VBI_PARAM, API_SLOW),
71 API_ENTRY(CPU, CX18_CPU_SET_CAPTURE_LINE_NO, 0),
72 API_ENTRY(CPU, CX18_CPU_SET_COPYRIGHT, 0),
73 API_ENTRY(CPU, CX18_CPU_SET_AUDIO_PID, 0),
74 API_ENTRY(CPU, CX18_CPU_SET_VIDEO_PID, 0),
75 API_ENTRY(CPU, CX18_CPU_SET_VER_CROP_LINE, 0),
76 API_ENTRY(CPU, CX18_CPU_SET_GOP_STRUCTURE, 0),
77 API_ENTRY(CPU, CX18_CPU_SET_SCENE_CHANGE_DETECTION, 0),
78 API_ENTRY(CPU, CX18_CPU_SET_ASPECT_RATIO, 0),
79 API_ENTRY(CPU, CX18_CPU_SET_SKIP_INPUT_FRAME, 0),
80 API_ENTRY(CPU, CX18_CPU_SET_SLICED_VBI_PARAM, 0),
81 API_ENTRY(CPU, CX18_CPU_SET_USERDATA_PLACE_HOLDER, 0),
82 API_ENTRY(CPU, CX18_CPU_GET_ENC_PTS, 0),
83 API_ENTRY(CPU, CX18_CPU_DE_SET_MDL_ACK, 0),
84 API_ENTRY(CPU, CX18_CPU_DE_SET_MDL, API_FAST),
85 API_ENTRY(CPU, CX18_CPU_DE_RELEASE_MDL, API_SLOW),
86 API_ENTRY(APU, CX18_APU_START, 0),
87 API_ENTRY(APU, CX18_APU_STOP, 0),
88 API_ENTRY(APU, CX18_APU_RESETAI, 0),
89 API_ENTRY(CPU, CX18_CPU_DEBUG_PEEK32, 0),
93 static const struct cx18_api_info *find_api_info(u32 cmd)
97 for (i = 0; api_info[i].cmd; i++)
98 if (api_info[i].cmd == cmd)
103 /* Call with buf of n*11+1 bytes */
104 static char *u32arr2hex(u32 data[], int n, char *buf)
109 for (i = 0, p = buf; i < n; i++, p += 11) {
110 /* kernel snprintf() appends '\0' always */
111 snprintf(p, 12, " %#010x", data[i]);
117 static void dump_mb(struct cx18 *cx, struct cx18_mailbox *mb, char *name)
119 char argstr[MAX_MB_ARGUMENTS*11+1];
121 if (!(cx18_debug & CX18_DBGFLG_API))
124 CX18_DEBUG_API("%s: req %#010x ack %#010x cmd %#010x err %#010x args%s"
125 "\n", name, mb->request, mb->ack, mb->cmd, mb->error,
126 u32arr2hex(mb->args, MAX_MB_ARGUMENTS, argstr));
131 * Functions that run in a work_queue work handling context
134 static void epu_dma_done(struct cx18 *cx, struct cx18_epu_work_order *order)
136 u32 handle, mdl_ack_count, id;
137 struct cx18_mailbox *mb;
138 struct cx18_mdl_ack *mdl_ack;
139 struct cx18_stream *s;
140 struct cx18_buffer *buf;
144 handle = mb->args[0];
145 s = cx18_handle_to_stream(cx, handle);
148 CX18_WARN("Got DMA done notification for unknown/inactive"
149 " handle %d, %s mailbox seq no %d\n", handle,
150 (order->flags & CX18_F_EWO_MB_STALE_UPON_RECEIPT) ?
151 "stale" : "good", mb->request);
155 mdl_ack_count = mb->args[2];
156 mdl_ack = order->mdl_ack;
157 for (i = 0; i < mdl_ack_count; i++, mdl_ack++) {
160 * Simple integrity check for processing a stale (and possibly
161 * inconsistent mailbox): make sure the buffer id is in the
162 * valid range for the stream.
164 * We go through the trouble of dealing with stale mailboxes
165 * because most of the time, the mailbox data is still valid and
166 * unchanged (and in practice the firmware ping-pongs the
167 * two mdl_ack buffers so mdl_acks are not stale).
169 * There are occasions when we get a half changed mailbox,
170 * which this check catches for a handle & id mismatch. If the
171 * handle and id do correspond, the worst case is that we
172 * completely lost the old buffer, but pick up the new buffer
173 * early (but the new mdl_ack is guaranteed to be good in this
174 * case as the firmware wouldn't point us to a new mdl_ack until
177 * cx18_queue_get buf() will detect the lost buffers
178 * and send them back to q_free for fw rotation eventually.
180 if ((order->flags & CX18_F_EWO_MB_STALE_UPON_RECEIPT) &&
181 !(id >= s->mdl_offset &&
182 id < (s->mdl_offset + s->buffers))) {
183 CX18_WARN("Fell behind! Ignoring stale mailbox with "
184 " inconsistent data. Lost buffer for mailbox "
185 "seq no %d\n", mb->request);
188 buf = cx18_queue_get_buf(s, id, mdl_ack->data_used);
190 CX18_DEBUG_HI_DMA("DMA DONE for %s (buffer %d)\n", s->name, id);
192 CX18_WARN("Could not find buf %d for stream %s\n",
194 /* Put as many buffers as possible back into fw use */
195 cx18_stream_load_fw_queue(s);
199 if (s->type == CX18_ENC_STREAM_TYPE_TS && s->dvb.enabled) {
200 CX18_DEBUG_HI_DMA("TS recv bytesused = %d\n",
202 dvb_dmx_swfilter(&s->dvb.demux, buf->buf,
205 /* Put as many buffers as possible back into fw use */
206 cx18_stream_load_fw_queue(s);
207 /* Put back TS buffer, since it was removed from all queues */
208 if (s->type == CX18_ENC_STREAM_TYPE_TS)
209 cx18_stream_put_buf_fw(s, buf);
211 wake_up(&cx->dma_waitq);
216 static void epu_debug(struct cx18 *cx, struct cx18_epu_work_order *order)
219 char *str = order->str;
221 CX18_DEBUG_INFO("%x %s\n", order->mb.args[0], str);
222 p = strchr(str, '.');
223 if (!test_bit(CX18_F_I_LOADED_FW, &cx->i_flags) && p && p > str)
224 CX18_INFO("FW version: %s\n", p - 1);
227 static void epu_cmd(struct cx18 *cx, struct cx18_epu_work_order *order)
229 switch (order->rpu) {
232 switch (order->mb.cmd) {
233 case CX18_EPU_DMA_DONE:
234 epu_dma_done(cx, order);
237 epu_debug(cx, order);
240 CX18_WARN("Unknown CPU to EPU mailbox command %#0x\n",
247 CX18_WARN("Unknown APU to EPU mailbox command %#0x\n",
256 void free_epu_work_order(struct cx18 *cx, struct cx18_epu_work_order *order)
258 atomic_set(&order->pending, 0);
261 void cx18_epu_work_handler(struct work_struct *work)
263 struct cx18_epu_work_order *order =
264 container_of(work, struct cx18_epu_work_order, work);
265 struct cx18 *cx = order->cx;
267 free_epu_work_order(cx, order);
272 * Functions that run in an interrupt handling context
275 static void mb_ack_irq(struct cx18 *cx, struct cx18_epu_work_order *order)
277 struct cx18_mailbox __iomem *ack_mb;
280 switch (order->rpu) {
282 ack_irq = IRQ_EPU_TO_APU_ACK;
283 ack_mb = &cx->scb->apu2epu_mb;
286 ack_irq = IRQ_EPU_TO_CPU_ACK;
287 ack_mb = &cx->scb->cpu2epu_mb;
290 CX18_WARN("Unhandled RPU (%d) for command %x ack\n",
291 order->rpu, order->mb.cmd);
295 req = order->mb.request;
296 /* Don't ack if the RPU has gotten impatient and timed us out */
297 if (req != cx18_readl(cx, &ack_mb->request) ||
298 req == cx18_readl(cx, &ack_mb->ack)) {
299 CX18_DEBUG_WARN("Possibly falling behind: %s self-ack'ed our "
300 "incoming %s to EPU mailbox (sequence no. %u) "
301 "while processing\n",
302 rpu_str[order->rpu], rpu_str[order->rpu], req);
303 order->flags |= CX18_F_EWO_MB_STALE_WHILE_PROC;
306 cx18_writel(cx, req, &ack_mb->ack);
307 cx18_write_reg_expect(cx, ack_irq, SW2_INT_SET, ack_irq, ack_irq);
311 static int epu_dma_done_irq(struct cx18 *cx, struct cx18_epu_work_order *order)
313 u32 handle, mdl_ack_offset, mdl_ack_count;
314 struct cx18_mailbox *mb;
317 handle = mb->args[0];
318 mdl_ack_offset = mb->args[1];
319 mdl_ack_count = mb->args[2];
321 if (handle == CX18_INVALID_TASK_HANDLE ||
322 mdl_ack_count == 0 || mdl_ack_count > CX18_MAX_MDL_ACKS) {
323 if ((order->flags & CX18_F_EWO_MB_STALE) == 0)
324 mb_ack_irq(cx, order);
328 cx18_memcpy_fromio(cx, order->mdl_ack, cx->enc_mem + mdl_ack_offset,
329 sizeof(struct cx18_mdl_ack) * mdl_ack_count);
331 if ((order->flags & CX18_F_EWO_MB_STALE) == 0)
332 mb_ack_irq(cx, order);
337 int epu_debug_irq(struct cx18 *cx, struct cx18_epu_work_order *order)
340 char *str = order->str;
343 str_offset = order->mb.args[1];
345 cx18_setup_page(cx, str_offset);
346 cx18_memcpy_fromio(cx, str, cx->enc_mem + str_offset, 252);
348 cx18_setup_page(cx, SCB_OFFSET);
351 if ((order->flags & CX18_F_EWO_MB_STALE) == 0)
352 mb_ack_irq(cx, order);
354 return str_offset ? 1 : 0;
358 int epu_cmd_irq(struct cx18 *cx, struct cx18_epu_work_order *order)
362 switch (order->rpu) {
365 switch (order->mb.cmd) {
366 case CX18_EPU_DMA_DONE:
367 ret = epu_dma_done_irq(cx, order);
370 ret = epu_debug_irq(cx, order);
373 CX18_WARN("Unknown CPU to EPU mailbox command %#0x\n",
380 CX18_WARN("Unknown APU to EPU mailbox command %#0x\n",
390 struct cx18_epu_work_order *alloc_epu_work_order_irq(struct cx18 *cx)
393 struct cx18_epu_work_order *order = NULL;
395 for (i = 0; i < CX18_MAX_EPU_WORK_ORDERS; i++) {
397 * We only need "pending" atomic to inspect its contents,
398 * and need not do a check and set because:
399 * 1. Any work handler thread only clears "pending" and only
400 * on one, particular work order at a time, per handler thread.
401 * 2. "pending" is only set here, and we're serialized because
402 * we're called in an IRQ handler context.
404 if (atomic_read(&cx->epu_work_order[i].pending) == 0) {
405 order = &cx->epu_work_order[i];
406 atomic_set(&order->pending, 1);
413 void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu)
415 struct cx18_mailbox __iomem *mb;
416 struct cx18_mailbox *order_mb;
417 struct cx18_epu_work_order *order;
422 mb = &cx->scb->cpu2epu_mb;
425 mb = &cx->scb->apu2epu_mb;
431 order = alloc_epu_work_order_irq(cx);
433 CX18_WARN("Unable to find blank work order form to schedule "
434 "incoming mailbox command processing\n");
440 order_mb = &order->mb;
442 /* mb->cmd and mb->args[0] through mb->args[2] */
443 cx18_memcpy_fromio(cx, &order_mb->cmd, &mb->cmd, 4 * sizeof(u32));
444 /* mb->request and mb->ack. N.B. we want to read mb->ack last */
445 cx18_memcpy_fromio(cx, &order_mb->request, &mb->request,
448 if (order_mb->request == order_mb->ack) {
449 CX18_DEBUG_WARN("Possibly falling behind: %s self-ack'ed our "
450 "incoming %s to EPU mailbox (sequence no. %u)"
452 rpu_str[rpu], rpu_str[rpu], order_mb->request);
453 if (cx18_debug & CX18_DBGFLG_WARN)
454 dump_mb(cx, order_mb, "incoming");
455 order->flags = CX18_F_EWO_MB_STALE_UPON_RECEIPT;
459 * Individual EPU command processing is responsible for ack-ing
460 * a non-stale mailbox as soon as possible
462 submit = epu_cmd_irq(cx, order);
464 queue_work(cx->work_queue, &order->work);
470 * Functions called from a non-interrupt, non work_queue context
473 static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[])
475 const struct cx18_api_info *info = find_api_info(cmd);
476 u32 state, irq, req, ack, err;
477 struct cx18_mailbox __iomem *mb;
478 u32 __iomem *xpu_state;
479 wait_queue_head_t *waitq;
480 struct mutex *mb_lock;
481 long int timeout, ret;
483 char argstr[MAX_MB_ARGUMENTS*11+1];
486 CX18_WARN("unknown cmd %x\n", cmd);
490 if (cx18_debug & CX18_DBGFLG_API) { /* only call u32arr2hex if needed */
491 if (cmd == CX18_CPU_DE_SET_MDL) {
492 if (cx18_debug & CX18_DBGFLG_HIGHVOL)
493 CX18_DEBUG_HI_API("%s\tcmd %#010x args%s\n",
495 u32arr2hex(data, args, argstr));
497 CX18_DEBUG_API("%s\tcmd %#010x args%s\n",
499 u32arr2hex(data, args, argstr));
504 waitq = &cx->mb_apu_waitq;
505 mb_lock = &cx->epu2apu_mb_lock;
506 irq = IRQ_EPU_TO_APU;
507 mb = &cx->scb->epu2apu_mb;
508 xpu_state = &cx->scb->apu_state;
511 waitq = &cx->mb_cpu_waitq;
512 mb_lock = &cx->epu2cpu_mb_lock;
513 irq = IRQ_EPU_TO_CPU;
514 mb = &cx->scb->epu2cpu_mb;
515 xpu_state = &cx->scb->cpu_state;
518 CX18_WARN("Unknown RPU (%d) for API call\n", info->rpu);
524 * Wait for an in-use mailbox to complete
526 * If the XPU is responding with Ack's, the mailbox shouldn't be in
527 * a busy state, since we serialize access to it on our end.
529 * If the wait for ack after sending a previous command was interrupted
530 * by a signal, we may get here and find a busy mailbox. After waiting,
531 * mark it "not busy" from our end, if the XPU hasn't ack'ed it still.
533 state = cx18_readl(cx, xpu_state);
534 req = cx18_readl(cx, &mb->request);
535 timeout = msecs_to_jiffies(10);
536 ret = wait_event_timeout(*waitq,
537 (ack = cx18_readl(cx, &mb->ack)) == req,
540 /* waited long enough, make the mbox "not busy" from our end */
541 cx18_writel(cx, req, &mb->ack);
542 CX18_ERR("mbox was found stuck busy when setting up for %s; "
543 "clearing busy and trying to proceed\n", info->name);
544 } else if (ret != timeout)
545 CX18_DEBUG_API("waited %u msecs for busy mbox to be acked\n",
546 jiffies_to_msecs(timeout-ret));
548 /* Build the outgoing mailbox */
549 req = ((req & 0xfffffffe) == 0xfffffffe) ? 1 : req + 1;
551 cx18_writel(cx, cmd, &mb->cmd);
552 for (i = 0; i < args; i++)
553 cx18_writel(cx, data[i], &mb->args[i]);
554 cx18_writel(cx, 0, &mb->error);
555 cx18_writel(cx, req, &mb->request);
556 cx18_writel(cx, req - 1, &mb->ack); /* ensure ack & req are distinct */
559 * Notify the XPU and wait for it to send an Ack back
561 timeout = msecs_to_jiffies((info->flags & API_FAST) ? 10 : 20);
563 CX18_DEBUG_HI_IRQ("sending interrupt SW1: %x to send %s\n",
565 cx18_write_reg_expect(cx, irq, SW1_INT_SET, irq, irq);
567 ret = wait_event_timeout(
569 cx18_readl(cx, &mb->ack) == cx18_readl(cx, &mb->request),
574 mutex_unlock(mb_lock);
575 CX18_DEBUG_WARN("sending %s timed out waiting %d msecs for RPU "
577 info->name, jiffies_to_msecs(timeout));
582 CX18_DEBUG_HI_API("waited %u msecs for %s to be acked\n",
583 jiffies_to_msecs(timeout-ret), info->name);
585 /* Collect data returned by the XPU */
586 for (i = 0; i < MAX_MB_ARGUMENTS; i++)
587 data[i] = cx18_readl(cx, &mb->args[i]);
588 err = cx18_readl(cx, &mb->error);
589 mutex_unlock(mb_lock);
592 * Wait for XPU to perform extra actions for the caller in some cases.
593 * e.g. CX18_CPU_DE_RELEASE_MDL will cause the CPU to send all buffers
594 * back in a burst shortly thereafter
596 if (info->flags & API_SLOW)
597 cx18_msleep_timeout(300, 0);
600 CX18_DEBUG_API("mailbox error %08x for command %s\n", err,
602 return err ? -EIO : 0;
605 int cx18_api(struct cx18 *cx, u32 cmd, int args, u32 data[])
607 return cx18_api_call(cx, cmd, args, data);
610 static int cx18_set_filter_param(struct cx18_stream *s)
612 struct cx18 *cx = s->cx;
616 mode = (cx->filter_mode & 1) ? 2 : (cx->spatial_strength ? 1 : 0);
617 ret = cx18_vapi(cx, CX18_CPU_SET_FILTER_PARAM, 4,
618 s->handle, 1, mode, cx->spatial_strength);
619 mode = (cx->filter_mode & 2) ? 2 : (cx->temporal_strength ? 1 : 0);
620 ret = ret ? ret : cx18_vapi(cx, CX18_CPU_SET_FILTER_PARAM, 4,
621 s->handle, 0, mode, cx->temporal_strength);
622 ret = ret ? ret : cx18_vapi(cx, CX18_CPU_SET_FILTER_PARAM, 4,
623 s->handle, 2, cx->filter_mode >> 2, 0);
627 int cx18_api_func(void *priv, u32 cmd, int in, int out,
628 u32 data[CX2341X_MBOX_MAX_DATA])
630 struct cx18_api_func_private *api_priv = priv;
631 struct cx18 *cx = api_priv->cx;
632 struct cx18_stream *s = api_priv->s;
635 case CX2341X_ENC_SET_OUTPUT_PORT:
637 case CX2341X_ENC_SET_FRAME_RATE:
638 return cx18_vapi(cx, CX18_CPU_SET_VIDEO_IN, 6,
639 s->handle, 0, 0, 0, 0, data[0]);
640 case CX2341X_ENC_SET_FRAME_SIZE:
641 return cx18_vapi(cx, CX18_CPU_SET_VIDEO_RESOLUTION, 3,
642 s->handle, data[1], data[0]);
643 case CX2341X_ENC_SET_STREAM_TYPE:
644 return cx18_vapi(cx, CX18_CPU_SET_STREAM_OUTPUT_TYPE, 2,
646 case CX2341X_ENC_SET_ASPECT_RATIO:
647 return cx18_vapi(cx, CX18_CPU_SET_ASPECT_RATIO, 2,
650 case CX2341X_ENC_SET_GOP_PROPERTIES:
651 return cx18_vapi(cx, CX18_CPU_SET_GOP_STRUCTURE, 3,
652 s->handle, data[0], data[1]);
653 case CX2341X_ENC_SET_GOP_CLOSURE:
655 case CX2341X_ENC_SET_AUDIO_PROPERTIES:
656 return cx18_vapi(cx, CX18_CPU_SET_AUDIO_PARAMETERS, 2,
658 case CX2341X_ENC_MUTE_AUDIO:
659 return cx18_vapi(cx, CX18_CPU_SET_AUDIO_MUTE, 2,
661 case CX2341X_ENC_SET_BIT_RATE:
662 return cx18_vapi(cx, CX18_CPU_SET_VIDEO_RATE, 5,
663 s->handle, data[0], data[1], data[2], data[3]);
664 case CX2341X_ENC_MUTE_VIDEO:
665 return cx18_vapi(cx, CX18_CPU_SET_VIDEO_MUTE, 2,
667 case CX2341X_ENC_SET_FRAME_DROP_RATE:
668 return cx18_vapi(cx, CX18_CPU_SET_SKIP_INPUT_FRAME, 2,
670 case CX2341X_ENC_MISC:
671 return cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 4,
672 s->handle, data[0], data[1], data[2]);
673 case CX2341X_ENC_SET_DNR_FILTER_MODE:
674 cx->filter_mode = (data[0] & 3) | (data[1] << 2);
675 return cx18_set_filter_param(s);
676 case CX2341X_ENC_SET_DNR_FILTER_PROPS:
677 cx->spatial_strength = data[0];
678 cx->temporal_strength = data[1];
679 return cx18_set_filter_param(s);
680 case CX2341X_ENC_SET_SPATIAL_FILTER_TYPE:
681 return cx18_vapi(cx, CX18_CPU_SET_SPATIAL_FILTER_TYPE, 3,
682 s->handle, data[0], data[1]);
683 case CX2341X_ENC_SET_CORING_LEVELS:
684 return cx18_vapi(cx, CX18_CPU_SET_MEDIAN_CORING, 5,
685 s->handle, data[0], data[1], data[2], data[3]);
687 CX18_WARN("Unknown cmd %x\n", cmd);
691 int cx18_vapi_result(struct cx18 *cx, u32 data[MAX_MB_ARGUMENTS],
692 u32 cmd, int args, ...)
698 for (i = 0; i < args; i++)
699 data[i] = va_arg(ap, u32);
701 return cx18_api(cx, cmd, args, data);
704 int cx18_vapi(struct cx18 *cx, u32 cmd, int args, ...)
706 u32 data[MAX_MB_ARGUMENTS];
711 CX18_ERR("cx == NULL (cmd=%x)\n", cmd);
714 if (args > MAX_MB_ARGUMENTS) {
715 CX18_ERR("args too big (cmd=%x)\n", cmd);
716 args = MAX_MB_ARGUMENTS;
719 for (i = 0; i < args; i++)
720 data[i] = va_arg(ap, u32);
722 return cx18_api(cx, cmd, args, data);