[media] rename most media/video pci drivers to media/pci

Rename all PCI drivers with their own directory under
drivers/media/video into drivers/media/pci and update the
building system.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 870 deletions

diff --git a/drivers/media/video/cx18/cx18-mailbox.c b/drivers/media/video/cx18/cx18-mailbox.c
deleted file mode 100644
index eabf00c6351b..000000000000
--- a/drivers/media/video/cx18/cx18-mailbox.c
+++ /dev/null
@@ -1,870 +0,0 @@
-/*
- *  cx18 mailbox functions
- *
- *  Copyright (C) 2007  Hans Verkuil <hverkuil@xs4all.nl>
- *  Copyright (C) 2008  Andy Walls <awalls@md.metrocast.net>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- *  02111-1307  USA
- */
-
-#include <stdarg.h>
-
-#include "cx18-driver.h"
-#include "cx18-io.h"
-#include "cx18-scb.h"
-#include "cx18-irq.h"
-#include "cx18-mailbox.h"
-#include "cx18-queue.h"
-#include "cx18-streams.h"
-#include "cx18-alsa-pcm.h" /* FIXME make configurable */
-
-static const char *rpu_str[] = { "APU", "CPU", "EPU", "HPU" };
-
-#define API_FAST (1 << 2) /* Short timeout */
-#define API_SLOW (1 << 3) /* Additional 300ms timeout */
-
-struct cx18_api_info {
-	u32 cmd;
-	u8 flags;		/* Flags, see above */
-	u8 rpu;			/* Processing unit */
-	const char *name; 	/* The name of the command */
-};
-
-#define API_ENTRY(rpu, x, f) { (x), (f), (rpu), #x }
-
-static const struct cx18_api_info api_info[] = {
-	/* MPEG encoder API */
-	API_ENTRY(CPU, CX18_CPU_SET_CHANNEL_TYPE,		0),
-	API_ENTRY(CPU, CX18_EPU_DEBUG, 				0),
-	API_ENTRY(CPU, CX18_CREATE_TASK, 			0),
-	API_ENTRY(CPU, CX18_DESTROY_TASK, 			0),
-	API_ENTRY(CPU, CX18_CPU_CAPTURE_START,                  API_SLOW),
-	API_ENTRY(CPU, CX18_CPU_CAPTURE_STOP,                   API_SLOW),
-	API_ENTRY(CPU, CX18_CPU_CAPTURE_PAUSE,                  0),
-	API_ENTRY(CPU, CX18_CPU_CAPTURE_RESUME,                 0),
-	API_ENTRY(CPU, CX18_CPU_SET_CHANNEL_TYPE,               0),
-	API_ENTRY(CPU, CX18_CPU_SET_STREAM_OUTPUT_TYPE,         0),
-	API_ENTRY(CPU, CX18_CPU_SET_VIDEO_IN,                   0),
-	API_ENTRY(CPU, CX18_CPU_SET_VIDEO_RATE,                 0),
-	API_ENTRY(CPU, CX18_CPU_SET_VIDEO_RESOLUTION,           0),
-	API_ENTRY(CPU, CX18_CPU_SET_FILTER_PARAM,               0),
-	API_ENTRY(CPU, CX18_CPU_SET_SPATIAL_FILTER_TYPE,        0),
-	API_ENTRY(CPU, CX18_CPU_SET_MEDIAN_CORING,              0),
-	API_ENTRY(CPU, CX18_CPU_SET_INDEXTABLE,                 0),
-	API_ENTRY(CPU, CX18_CPU_SET_AUDIO_PARAMETERS,           0),
-	API_ENTRY(CPU, CX18_CPU_SET_VIDEO_MUTE,                 0),
-	API_ENTRY(CPU, CX18_CPU_SET_AUDIO_MUTE,                 0),
-	API_ENTRY(CPU, CX18_CPU_SET_MISC_PARAMETERS,            0),
-	API_ENTRY(CPU, CX18_CPU_SET_RAW_VBI_PARAM,              API_SLOW),
-	API_ENTRY(CPU, CX18_CPU_SET_CAPTURE_LINE_NO,            0),
-	API_ENTRY(CPU, CX18_CPU_SET_COPYRIGHT,                  0),
-	API_ENTRY(CPU, CX18_CPU_SET_AUDIO_PID,                  0),
-	API_ENTRY(CPU, CX18_CPU_SET_VIDEO_PID,                  0),
-	API_ENTRY(CPU, CX18_CPU_SET_VER_CROP_LINE,              0),
-	API_ENTRY(CPU, CX18_CPU_SET_GOP_STRUCTURE,              0),
-	API_ENTRY(CPU, CX18_CPU_SET_SCENE_CHANGE_DETECTION,     0),
-	API_ENTRY(CPU, CX18_CPU_SET_ASPECT_RATIO,               0),
-	API_ENTRY(CPU, CX18_CPU_SET_SKIP_INPUT_FRAME,           0),
-	API_ENTRY(CPU, CX18_CPU_SET_SLICED_VBI_PARAM,           0),
-	API_ENTRY(CPU, CX18_CPU_SET_USERDATA_PLACE_HOLDER,      0),
-	API_ENTRY(CPU, CX18_CPU_GET_ENC_PTS,                    0),
-	API_ENTRY(CPU, CX18_CPU_SET_VFC_PARAM,                  0),
-	API_ENTRY(CPU, CX18_CPU_DE_SET_MDL_ACK,			0),
-	API_ENTRY(CPU, CX18_CPU_DE_SET_MDL,			API_FAST),
-	API_ENTRY(CPU, CX18_CPU_DE_RELEASE_MDL,			API_SLOW),
-	API_ENTRY(APU, CX18_APU_START,				0),
-	API_ENTRY(APU, CX18_APU_STOP,				0),
-	API_ENTRY(APU, CX18_APU_RESETAI,			0),
-	API_ENTRY(CPU, CX18_CPU_DEBUG_PEEK32,			0),
-	API_ENTRY(0, 0,						0),
-};
-
-static const struct cx18_api_info *find_api_info(u32 cmd)
-{
-	int i;
-
-	for (i = 0; api_info[i].cmd; i++)
-		if (api_info[i].cmd == cmd)
-			return &api_info[i];
-	return NULL;
-}
-
-/* Call with buf of n*11+1 bytes */
-static char *u32arr2hex(u32 data[], int n, char *buf)
-{
-	char *p;
-	int i;
-
-	for (i = 0, p = buf; i < n; i++, p += 11) {
-		/* kernel snprintf() appends '\0' always */
-		snprintf(p, 12, " %#010x", data[i]);
-	}
-	*p = '\0';
-	return buf;
-}
-
-static void dump_mb(struct cx18 *cx, struct cx18_mailbox *mb, char *name)
-{
-	char argstr[MAX_MB_ARGUMENTS*11+1];
-
-	if (!(cx18_debug & CX18_DBGFLG_API))
-		return;
-
-	CX18_DEBUG_API("%s: req %#010x ack %#010x cmd %#010x err %#010x args%s"
-		       "\n", name, mb->request, mb->ack, mb->cmd, mb->error,
-		       u32arr2hex(mb->args, MAX_MB_ARGUMENTS, argstr));
-}
-
-
-/*
- * Functions that run in a work_queue work handling context
- */
-
-static void cx18_mdl_send_to_dvb(struct cx18_stream *s, struct cx18_mdl *mdl)
-{
-	struct cx18_buffer *buf;
-
-	if (s->dvb == NULL || !s->dvb->enabled || mdl->bytesused == 0)
-		return;
-
-	/* We ignore mdl and buf readpos accounting here - it doesn't matter */
-
-	/* The likely case */
-	if (list_is_singular(&mdl->buf_list)) {
-		buf = list_first_entry(&mdl->buf_list, struct cx18_buffer,
-				       list);
-		if (buf->bytesused)
-			dvb_dmx_swfilter(&s->dvb->demux,
-					 buf->buf, buf->bytesused);
-		return;
-	}
-
-	list_for_each_entry(buf, &mdl->buf_list, list) {
-		if (buf->bytesused == 0)
-			break;
-		dvb_dmx_swfilter(&s->dvb->demux, buf->buf, buf->bytesused);
-	}
-}
-
-static void cx18_mdl_send_to_videobuf(struct cx18_stream *s,
-	struct cx18_mdl *mdl)
-{
-	struct cx18_videobuf_buffer *vb_buf;
-	struct cx18_buffer *buf;
-	u8 *p;
-	u32 offset = 0;
-	int dispatch = 0;
-
-	if (mdl->bytesused == 0)
-		return;
-
-	/* Acquire a videobuf buffer, clone to and and release it */
-	spin_lock(&s->vb_lock);
-	if (list_empty(&s->vb_capture))
-		goto out;
-
-	vb_buf = list_first_entry(&s->vb_capture, struct cx18_videobuf_buffer,
-		vb.queue);
-
-	p = videobuf_to_vmalloc(&vb_buf->vb);
-	if (!p)
-		goto out;
-
-	offset = vb_buf->bytes_used;
-	list_for_each_entry(buf, &mdl->buf_list, list) {
-		if (buf->bytesused == 0)
-			break;
-
-		if ((offset + buf->bytesused) <= vb_buf->vb.bsize) {
-			memcpy(p + offset, buf->buf, buf->bytesused);
-			offset += buf->bytesused;
-			vb_buf->bytes_used += buf->bytesused;
-		}
-	}
-
-	/* If we've filled the buffer as per the callers res then dispatch it */
-	if (vb_buf->bytes_used >= s->vb_bytes_per_frame) {
-		dispatch = 1;
-		vb_buf->bytes_used = 0;
-	}
-
-	if (dispatch) {
-		vb_buf->vb.ts = ktime_to_timeval(ktime_get());
-		list_del(&vb_buf->vb.queue);
-		vb_buf->vb.state = VIDEOBUF_DONE;
-		wake_up(&vb_buf->vb.done);
-	}
-
-	mod_timer(&s->vb_timeout, msecs_to_jiffies(2000) + jiffies);
-
-out:
-	spin_unlock(&s->vb_lock);
-}
-
-static void cx18_mdl_send_to_alsa(struct cx18 *cx, struct cx18_stream *s,
-				  struct cx18_mdl *mdl)
-{
-	struct cx18_buffer *buf;
-
-	if (mdl->bytesused == 0)
-		return;
-
-	/* We ignore mdl and buf readpos accounting here - it doesn't matter */
-
-	/* The likely case */
-	if (list_is_singular(&mdl->buf_list)) {
-		buf = list_first_entry(&mdl->buf_list, struct cx18_buffer,
-				       list);
-		if (buf->bytesused)
-			cx->pcm_announce_callback(cx->alsa, buf->buf,
-						  buf->bytesused);
-		return;
-	}
-
-	list_for_each_entry(buf, &mdl->buf_list, list) {
-		if (buf->bytesused == 0)
-			break;
-		cx->pcm_announce_callback(cx->alsa, buf->buf, buf->bytesused);
-	}
-}
-
-static void epu_dma_done(struct cx18 *cx, struct cx18_in_work_order *order)
-{
-	u32 handle, mdl_ack_count, id;
-	struct cx18_mailbox *mb;
-	struct cx18_mdl_ack *mdl_ack;
-	struct cx18_stream *s;
-	struct cx18_mdl *mdl;
-	int i;
-
-	mb = &order->mb;
-	handle = mb->args[0];
-	s = cx18_handle_to_stream(cx, handle);
-
-	if (s == NULL) {
-		CX18_WARN("Got DMA done notification for unknown/inactive"
-			  " handle %d, %s mailbox seq no %d\n", handle,
-			  (order->flags & CX18_F_EWO_MB_STALE_UPON_RECEIPT) ?
-			  "stale" : "good", mb->request);
-		return;
-	}
-
-	mdl_ack_count = mb->args[2];
-	mdl_ack = order->mdl_ack;
-	for (i = 0; i < mdl_ack_count; i++, mdl_ack++) {
-		id = mdl_ack->id;
-		/*
-		 * Simple integrity check for processing a stale (and possibly
-		 * inconsistent mailbox): make sure the MDL id is in the
-		 * valid range for the stream.
-		 *
-		 * We go through the trouble of dealing with stale mailboxes
-		 * because most of the time, the mailbox data is still valid and
-		 * unchanged (and in practice the firmware ping-pongs the
-		 * two mdl_ack buffers so mdl_acks are not stale).
-		 *
-		 * There are occasions when we get a half changed mailbox,
-		 * which this check catches for a handle & id mismatch.  If the
-		 * handle and id do correspond, the worst case is that we
-		 * completely lost the old MDL, but pick up the new MDL
-		 * early (but the new mdl_ack is guaranteed to be good in this
-		 * case as the firmware wouldn't point us to a new mdl_ack until
-		 * it's filled in).
-		 *
-		 * cx18_queue_get_mdl() will detect the lost MDLs
-		 * and send them back to q_free for fw rotation eventually.
-		 */
-		if ((order->flags & CX18_F_EWO_MB_STALE_UPON_RECEIPT) &&
-		    !(id >= s->mdl_base_idx &&
-		      id < (s->mdl_base_idx + s->buffers))) {
-			CX18_WARN("Fell behind! Ignoring stale mailbox with "
-				  " inconsistent data. Lost MDL for mailbox "
-				  "seq no %d\n", mb->request);
-			break;
-		}
-		mdl = cx18_queue_get_mdl(s, id, mdl_ack->data_used);
-
-		CX18_DEBUG_HI_DMA("DMA DONE for %s (MDL %d)\n", s->name, id);
-		if (mdl == NULL) {
-			CX18_WARN("Could not find MDL %d for stream %s\n",
-				  id, s->name);
-			continue;
-		}
-
-		CX18_DEBUG_HI_DMA("%s recv bytesused = %d\n",
-				  s->name, mdl->bytesused);
-
-		if (s->type == CX18_ENC_STREAM_TYPE_TS) {
-			cx18_mdl_send_to_dvb(s, mdl);
-			cx18_enqueue(s, mdl, &s->q_free);
-		} else if (s->type == CX18_ENC_STREAM_TYPE_PCM) {
-			/* Pass the data to cx18-alsa */
-			if (cx->pcm_announce_callback != NULL) {
-				cx18_mdl_send_to_alsa(cx, s, mdl);
-				cx18_enqueue(s, mdl, &s->q_free);
-			} else {
-				cx18_enqueue(s, mdl, &s->q_full);
-			}
-		} else if (s->type == CX18_ENC_STREAM_TYPE_YUV) {
-			cx18_mdl_send_to_videobuf(s, mdl);
-			cx18_enqueue(s, mdl, &s->q_free);
-		} else {
-			cx18_enqueue(s, mdl, &s->q_full);
-			if (s->type == CX18_ENC_STREAM_TYPE_IDX)
-				cx18_stream_rotate_idx_mdls(cx);
-		}
-	}
-	/* Put as many MDLs as possible back into fw use */
-	cx18_stream_load_fw_queue(s);
-
-	wake_up(&cx->dma_waitq);
-	if (s->id != -1)
-		wake_up(&s->waitq);
-}
-
-static void epu_debug(struct cx18 *cx, struct cx18_in_work_order *order)
-{
-	char *p;
-	char *str = order->str;
-
-	CX18_DEBUG_INFO("%x %s\n", order->mb.args[0], str);
-	p = strchr(str, '.');
-	if (!test_bit(CX18_F_I_LOADED_FW, &cx->i_flags) && p && p > str)
-		CX18_INFO("FW version: %s\n", p - 1);
-}
-
-static void epu_cmd(struct cx18 *cx, struct cx18_in_work_order *order)
-{
-	switch (order->rpu) {
-	case CPU:
-	{
-		switch (order->mb.cmd) {
-		case CX18_EPU_DMA_DONE:
-			epu_dma_done(cx, order);
-			break;
-		case CX18_EPU_DEBUG:
-			epu_debug(cx, order);
-			break;
-		default:
-			CX18_WARN("Unknown CPU to EPU mailbox command %#0x\n",
-				  order->mb.cmd);
-			break;
-		}
-		break;
-	}
-	case APU:
-		CX18_WARN("Unknown APU to EPU mailbox command %#0x\n",
-			  order->mb.cmd);
-		break;
-	default:
-		break;
-	}
-}
-
-static
-void free_in_work_order(struct cx18 *cx, struct cx18_in_work_order *order)
-{
-	atomic_set(&order->pending, 0);
-}
-
-void cx18_in_work_handler(struct work_struct *work)
-{
-	struct cx18_in_work_order *order =
-			container_of(work, struct cx18_in_work_order, work);
-	struct cx18 *cx = order->cx;
-	epu_cmd(cx, order);
-	free_in_work_order(cx, order);
-}
-
-
-/*
- * Functions that run in an interrupt handling context
- */
-
-static void mb_ack_irq(struct cx18 *cx, struct cx18_in_work_order *order)
-{
-	struct cx18_mailbox __iomem *ack_mb;
-	u32 ack_irq, req;
-
-	switch (order->rpu) {
-	case APU:
-		ack_irq = IRQ_EPU_TO_APU_ACK;
-		ack_mb = &cx->scb->apu2epu_mb;
-		break;
-	case CPU:
-		ack_irq = IRQ_EPU_TO_CPU_ACK;
-		ack_mb = &cx->scb->cpu2epu_mb;
-		break;
-	default:
-		CX18_WARN("Unhandled RPU (%d) for command %x ack\n",
-			  order->rpu, order->mb.cmd);
-		return;
-	}
-
-	req = order->mb.request;
-	/* Don't ack if the RPU has gotten impatient and timed us out */
-	if (req != cx18_readl(cx, &ack_mb->request) ||
-	    req == cx18_readl(cx, &ack_mb->ack)) {
-		CX18_DEBUG_WARN("Possibly falling behind: %s self-ack'ed our "
-				"incoming %s to EPU mailbox (sequence no. %u) "
-				"while processing\n",
-				rpu_str[order->rpu], rpu_str[order->rpu], req);
-		order->flags |= CX18_F_EWO_MB_STALE_WHILE_PROC;
-		return;
-	}
-	cx18_writel(cx, req, &ack_mb->ack);
-	cx18_write_reg_expect(cx, ack_irq, SW2_INT_SET, ack_irq, ack_irq);
-	return;
-}
-
-static int epu_dma_done_irq(struct cx18 *cx, struct cx18_in_work_order *order)
-{
-	u32 handle, mdl_ack_offset, mdl_ack_count;
-	struct cx18_mailbox *mb;
-	int i;
-
-	mb = &order->mb;
-	handle = mb->args[0];
-	mdl_ack_offset = mb->args[1];
-	mdl_ack_count = mb->args[2];
-
-	if (handle == CX18_INVALID_TASK_HANDLE ||
-	    mdl_ack_count == 0 || mdl_ack_count > CX18_MAX_MDL_ACKS) {
-		if ((order->flags & CX18_F_EWO_MB_STALE) == 0)
-			mb_ack_irq(cx, order);
-		return -1;
-	}
-
-	for (i = 0; i < sizeof(struct cx18_mdl_ack) * mdl_ack_count; i += sizeof(u32))
-		((u32 *)order->mdl_ack)[i / sizeof(u32)] =
-			cx18_readl(cx, cx->enc_mem + mdl_ack_offset + i);
-
-	if ((order->flags & CX18_F_EWO_MB_STALE) == 0)
-		mb_ack_irq(cx, order);
-	return 1;
-}
-
-static
-int epu_debug_irq(struct cx18 *cx, struct cx18_in_work_order *order)
-{
-	u32 str_offset;
-	char *str = order->str;
-
-	str[0] = '\0';
-	str_offset = order->mb.args[1];
-	if (str_offset) {
-		cx18_setup_page(cx, str_offset);
-		cx18_memcpy_fromio(cx, str, cx->enc_mem + str_offset, 252);
-		str[252] = '\0';
-		cx18_setup_page(cx, SCB_OFFSET);
-	}
-
-	if ((order->flags & CX18_F_EWO_MB_STALE) == 0)
-		mb_ack_irq(cx, order);
-
-	return str_offset ? 1 : 0;
-}
-
-static inline
-int epu_cmd_irq(struct cx18 *cx, struct cx18_in_work_order *order)
-{
-	int ret = -1;
-
-	switch (order->rpu) {
-	case CPU:
-	{
-		switch (order->mb.cmd) {
-		case CX18_EPU_DMA_DONE:
-			ret = epu_dma_done_irq(cx, order);
-			break;
-		case CX18_EPU_DEBUG:
-			ret = epu_debug_irq(cx, order);
-			break;
-		default:
-			CX18_WARN("Unknown CPU to EPU mailbox command %#0x\n",
-				  order->mb.cmd);
-			break;
-		}
-		break;
-	}
-	case APU:
-		CX18_WARN("Unknown APU to EPU mailbox command %#0x\n",
-			  order->mb.cmd);
-		break;
-	default:
-		break;
-	}
-	return ret;
-}
-
-static inline
-struct cx18_in_work_order *alloc_in_work_order_irq(struct cx18 *cx)
-{
-	int i;
-	struct cx18_in_work_order *order = NULL;
-
-	for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++) {
-		/*
-		 * We only need "pending" atomic to inspect its contents,
-		 * and need not do a check and set because:
-		 * 1. Any work handler thread only clears "pending" and only
-		 * on one, particular work order at a time, per handler thread.
-		 * 2. "pending" is only set here, and we're serialized because
-		 * we're called in an IRQ handler context.
-		 */
-		if (atomic_read(&cx->in_work_order[i].pending) == 0) {
-			order = &cx->in_work_order[i];
-			atomic_set(&order->pending, 1);
-			break;
-		}
-	}
-	return order;
-}
-
-void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu)
-{
-	struct cx18_mailbox __iomem *mb;
-	struct cx18_mailbox *order_mb;
-	struct cx18_in_work_order *order;
-	int submit;
-	int i;
-
-	switch (rpu) {
-	case CPU:
-		mb = &cx->scb->cpu2epu_mb;
-		break;
-	case APU:
-		mb = &cx->scb->apu2epu_mb;
-		break;
-	default:
-		return;
-	}
-
-	order = alloc_in_work_order_irq(cx);
-	if (order == NULL) {
-		CX18_WARN("Unable to find blank work order form to schedule "
-			  "incoming mailbox command processing\n");
-		return;
-	}
-
-	order->flags = 0;
-	order->rpu = rpu;
-	order_mb = &order->mb;
-
-	/* mb->cmd and mb->args[0] through mb->args[2] */
-	for (i = 0; i < 4; i++)
-		(&order_mb->cmd)[i] = cx18_readl(cx, &mb->cmd + i);
-
-	/* mb->request and mb->ack.  N.B. we want to read mb->ack last */
-	for (i = 0; i < 2; i++)
-		(&order_mb->request)[i] = cx18_readl(cx, &mb->request + i);
-
-	if (order_mb->request == order_mb->ack) {
-		CX18_DEBUG_WARN("Possibly falling behind: %s self-ack'ed our "
-				"incoming %s to EPU mailbox (sequence no. %u)"
-				"\n",
-				rpu_str[rpu], rpu_str[rpu], order_mb->request);
-		if (cx18_debug & CX18_DBGFLG_WARN)
-			dump_mb(cx, order_mb, "incoming");
-		order->flags = CX18_F_EWO_MB_STALE_UPON_RECEIPT;
-	}
-
-	/*
-	 * Individual EPU command processing is responsible for ack-ing
-	 * a non-stale mailbox as soon as possible
-	 */
-	submit = epu_cmd_irq(cx, order);
-	if (submit > 0) {
-		queue_work(cx->in_work_queue, &order->work);
-	}
-}
-
-
-/*
- * Functions called from a non-interrupt, non work_queue context
- */
-
-static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[])
-{
-	const struct cx18_api_info *info = find_api_info(cmd);
-	u32 irq, req, ack, err;
-	struct cx18_mailbox __iomem *mb;
-	wait_queue_head_t *waitq;
-	struct mutex *mb_lock;
-	unsigned long int t0, timeout, ret;
-	int i;
-	char argstr[MAX_MB_ARGUMENTS*11+1];
-	DEFINE_WAIT(w);
-
-	if (info == NULL) {
-		CX18_WARN("unknown cmd %x\n", cmd);
-		return -EINVAL;
-	}
-
-	if (cx18_debug & CX18_DBGFLG_API) { /* only call u32arr2hex if needed */
-		if (cmd == CX18_CPU_DE_SET_MDL) {
-			if (cx18_debug & CX18_DBGFLG_HIGHVOL)
-				CX18_DEBUG_HI_API("%s\tcmd %#010x args%s\n",
-						info->name, cmd,
-						u32arr2hex(data, args, argstr));
-		} else
-			CX18_DEBUG_API("%s\tcmd %#010x args%s\n",
-				       info->name, cmd,
-				       u32arr2hex(data, args, argstr));
-	}
-
-	switch (info->rpu) {
-	case APU:
-		waitq = &cx->mb_apu_waitq;
-		mb_lock = &cx->epu2apu_mb_lock;
-		irq = IRQ_EPU_TO_APU;
-		mb = &cx->scb->epu2apu_mb;
-		break;
-	case CPU:
-		waitq = &cx->mb_cpu_waitq;
-		mb_lock = &cx->epu2cpu_mb_lock;
-		irq = IRQ_EPU_TO_CPU;
-		mb = &cx->scb->epu2cpu_mb;
-		break;
-	default:
-		CX18_WARN("Unknown RPU (%d) for API call\n", info->rpu);
-		return -EINVAL;
-	}
-
-	mutex_lock(mb_lock);
-	/*
-	 * Wait for an in-use mailbox to complete
-	 *
-	 * If the XPU is responding with Ack's, the mailbox shouldn't be in
-	 * a busy state, since we serialize access to it on our end.
-	 *
-	 * If the wait for ack after sending a previous command was interrupted
-	 * by a signal, we may get here and find a busy mailbox.  After waiting,
-	 * mark it "not busy" from our end, if the XPU hasn't ack'ed it still.
-	 */
-	req = cx18_readl(cx, &mb->request);
-	timeout = msecs_to_jiffies(10);
-	ret = wait_event_timeout(*waitq,
-				 (ack = cx18_readl(cx, &mb->ack)) == req,
-				 timeout);
-	if (req != ack) {
-		/* waited long enough, make the mbox "not busy" from our end */
-		cx18_writel(cx, req, &mb->ack);
-		CX18_ERR("mbox was found stuck busy when setting up for %s; "
-			 "clearing busy and trying to proceed\n", info->name);
-	} else if (ret != timeout)
-		CX18_DEBUG_API("waited %u msecs for busy mbox to be acked\n",
-			       jiffies_to_msecs(timeout-ret));
-
-	/* Build the outgoing mailbox */
-	req = ((req & 0xfffffffe) == 0xfffffffe) ? 1 : req + 1;
-
-	cx18_writel(cx, cmd, &mb->cmd);
-	for (i = 0; i < args; i++)
-		cx18_writel(cx, data[i], &mb->args[i]);
-	cx18_writel(cx, 0, &mb->error);
-	cx18_writel(cx, req, &mb->request);
-	cx18_writel(cx, req - 1, &mb->ack); /* ensure ack & req are distinct */
-
-	/*
-	 * Notify the XPU and wait for it to send an Ack back
-	 */
-	timeout = msecs_to_jiffies((info->flags & API_FAST) ? 10 : 20);
-
-	CX18_DEBUG_HI_IRQ("sending interrupt SW1: %x to send %s\n",
-			  irq, info->name);
-
-	/* So we don't miss the wakeup, prepare to wait before notifying fw */
-	prepare_to_wait(waitq, &w, TASK_UNINTERRUPTIBLE);
-	cx18_write_reg_expect(cx, irq, SW1_INT_SET, irq, irq);
-
-	t0 = jiffies;
-	ack = cx18_readl(cx, &mb->ack);
-	if (ack != req) {
-		schedule_timeout(timeout);
-		ret = jiffies - t0;
-		ack = cx18_readl(cx, &mb->ack);
-	} else {
-		ret = jiffies - t0;
-	}
-
-	finish_wait(waitq, &w);
-
-	if (req != ack) {
-		mutex_unlock(mb_lock);
-		if (ret >= timeout) {
-			/* Timed out */
-			CX18_DEBUG_WARN("sending %s timed out waiting %d msecs "
-					"for RPU acknowledgement\n",
-					info->name, jiffies_to_msecs(ret));
-		} else {
-			CX18_DEBUG_WARN("woken up before mailbox ack was ready "
-					"after submitting %s to RPU.  only "
-					"waited %d msecs on req %u but awakened"
-					" with unmatched ack %u\n",
-					info->name,
-					jiffies_to_msecs(ret),
-					req, ack);
-		}
-		return -EINVAL;
-	}
-
-	if (ret >= timeout)
-		CX18_DEBUG_WARN("failed to be awakened upon RPU acknowledgment "
-				"sending %s; timed out waiting %d msecs\n",
-				info->name, jiffies_to_msecs(ret));
-	else
-		CX18_DEBUG_HI_API("waited %u msecs for %s to be acked\n",
-				  jiffies_to_msecs(ret), info->name);
-
-	/* Collect data returned by the XPU */
-	for (i = 0; i < MAX_MB_ARGUMENTS; i++)
-		data[i] = cx18_readl(cx, &mb->args[i]);
-	err = cx18_readl(cx, &mb->error);
-	mutex_unlock(mb_lock);
-
-	/*
-	 * Wait for XPU to perform extra actions for the caller in some cases.
-	 * e.g. CX18_CPU_DE_RELEASE_MDL will cause the CPU to send all MDLs
-	 * back in a burst shortly thereafter
-	 */
-	if (info->flags & API_SLOW)
-		cx18_msleep_timeout(300, 0);
-
-	if (err)
-		CX18_DEBUG_API("mailbox error %08x for command %s\n", err,
-				info->name);
-	return err ? -EIO : 0;
-}
-
-int cx18_api(struct cx18 *cx, u32 cmd, int args, u32 data[])
-{
-	return cx18_api_call(cx, cmd, args, data);
-}
-
-static int cx18_set_filter_param(struct cx18_stream *s)
-{
-	struct cx18 *cx = s->cx;
-	u32 mode;
-	int ret;
-
-	mode = (cx->filter_mode & 1) ? 2 : (cx->spatial_strength ? 1 : 0);
-	ret = cx18_vapi(cx, CX18_CPU_SET_FILTER_PARAM, 4,
-			s->handle, 1, mode, cx->spatial_strength);
-	mode = (cx->filter_mode & 2) ? 2 : (cx->temporal_strength ? 1 : 0);
-	ret = ret ? ret : cx18_vapi(cx, CX18_CPU_SET_FILTER_PARAM, 4,
-			s->handle, 0, mode, cx->temporal_strength);
-	ret = ret ? ret : cx18_vapi(cx, CX18_CPU_SET_FILTER_PARAM, 4,
-			s->handle, 2, cx->filter_mode >> 2, 0);
-	return ret;
-}
-
-int cx18_api_func(void *priv, u32 cmd, int in, int out,
-		u32 data[CX2341X_MBOX_MAX_DATA])
-{
-	struct cx18_stream *s = priv;
-	struct cx18 *cx = s->cx;
-
-	switch (cmd) {
-	case CX2341X_ENC_SET_OUTPUT_PORT:
-		return 0;
-	case CX2341X_ENC_SET_FRAME_RATE:
-		return cx18_vapi(cx, CX18_CPU_SET_VIDEO_IN, 6,
-				s->handle, 0, 0, 0, 0, data[0]);
-	case CX2341X_ENC_SET_FRAME_SIZE:
-		return cx18_vapi(cx, CX18_CPU_SET_VIDEO_RESOLUTION, 3,
-				s->handle, data[1], data[0]);
-	case CX2341X_ENC_SET_STREAM_TYPE:
-		return cx18_vapi(cx, CX18_CPU_SET_STREAM_OUTPUT_TYPE, 2,
-				s->handle, data[0]);
-	case CX2341X_ENC_SET_ASPECT_RATIO:
-		return cx18_vapi(cx, CX18_CPU_SET_ASPECT_RATIO, 2,
-				s->handle, data[0]);
-
-	case CX2341X_ENC_SET_GOP_PROPERTIES:
-		return cx18_vapi(cx, CX18_CPU_SET_GOP_STRUCTURE, 3,
-				s->handle, data[0], data[1]);
-	case CX2341X_ENC_SET_GOP_CLOSURE:
-		return 0;
-	case CX2341X_ENC_SET_AUDIO_PROPERTIES:
-		return cx18_vapi(cx, CX18_CPU_SET_AUDIO_PARAMETERS, 2,
-				s->handle, data[0]);
-	case CX2341X_ENC_MUTE_AUDIO:
-		return cx18_vapi(cx, CX18_CPU_SET_AUDIO_MUTE, 2,
-				s->handle, data[0]);
-	case CX2341X_ENC_SET_BIT_RATE:
-		return cx18_vapi(cx, CX18_CPU_SET_VIDEO_RATE, 5,
-				s->handle, data[0], data[1], data[2], data[3]);
-	case CX2341X_ENC_MUTE_VIDEO:
-		return cx18_vapi(cx, CX18_CPU_SET_VIDEO_MUTE, 2,
-				s->handle, data[0]);
-	case CX2341X_ENC_SET_FRAME_DROP_RATE:
-		return cx18_vapi(cx, CX18_CPU_SET_SKIP_INPUT_FRAME, 2,
-				s->handle, data[0]);
-	case CX2341X_ENC_MISC:
-		return cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 4,
-				s->handle, data[0], data[1], data[2]);
-	case CX2341X_ENC_SET_DNR_FILTER_MODE:
-		cx->filter_mode = (data[0] & 3) | (data[1] << 2);
-		return cx18_set_filter_param(s);
-	case CX2341X_ENC_SET_DNR_FILTER_PROPS:
-		cx->spatial_strength = data[0];
-		cx->temporal_strength = data[1];
-		return cx18_set_filter_param(s);
-	case CX2341X_ENC_SET_SPATIAL_FILTER_TYPE:
-		return cx18_vapi(cx, CX18_CPU_SET_SPATIAL_FILTER_TYPE, 3,
-				s->handle, data[0], data[1]);
-	case CX2341X_ENC_SET_CORING_LEVELS:
-		return cx18_vapi(cx, CX18_CPU_SET_MEDIAN_CORING, 5,
-				s->handle, data[0], data[1], data[2], data[3]);
-	}
-	CX18_WARN("Unknown cmd %x\n", cmd);
-	return 0;
-}
-
-int cx18_vapi_result(struct cx18 *cx, u32 data[MAX_MB_ARGUMENTS],
-		u32 cmd, int args, ...)
-{
-	va_list ap;
-	int i;
-
-	va_start(ap, args);
-	for (i = 0; i < args; i++)
-		data[i] = va_arg(ap, u32);
-	va_end(ap);
-	return cx18_api(cx, cmd, args, data);
-}
-
-int cx18_vapi(struct cx18 *cx, u32 cmd, int args, ...)
-{
-	u32 data[MAX_MB_ARGUMENTS];
-	va_list ap;
-	int i;
-
-	if (cx == NULL) {
-		CX18_ERR("cx == NULL (cmd=%x)\n", cmd);
-		return 0;
-	}
-	if (args > MAX_MB_ARGUMENTS) {
-		CX18_ERR("args too big (cmd=%x)\n", cmd);
-		args = MAX_MB_ARGUMENTS;
-	}
-	va_start(ap, args);
-	for (i = 0; i < args; i++)
-		data[i] = va_arg(ap, u32);
-	va_end(ap);
-	return cx18_api(cx, cmd, args, data);
-}