[media] staging: as102: Fix CodingStyle errors in file as10x_cmd_stream.c

[deliverable/linux.git] / drivers / staging / media / as102 / as10x_cmd_stream.c

/**

 \file   as10x_cmd_stream.c

 \author: S. Martinelli

 ----------------------------------------------------------------------------\n
   (c) Copyright Abilis Systems SARL 2005-2009 All rigths reserved \n
   www.abilis.com                                                  \n
 ----------------------------------------------------------------------------\n

 \brief AS10x CMD, stream services

	AS10x CMD management: build command buffer, send command through
	selected port and wait for the response when required.

*/


#if defined(LINUX) && defined(__KERNEL__) /* linux kernel implementation */
#include <linux/kernel.h>
#include "as102_drv.h"
#elif defined(WIN32)
    #if defined(DDK) /* win32 ddk implementation */
	#include "wdm.h"
	#include "Device.h"
	#include "endian_mgmt.h" /* FIXME */
    #else /* win32 sdk implementation */
	#include <windows.h>
	#include "types.h"
	#include "util.h"
	#include "as10x_handle.h"
	#include "endian_mgmt.h"
    #endif
#else /* all other cases */
    #include <string.h>
    #include "types.h"
    #include "util.h"
    #include "as10x_handle.h"
    #include "endian_mgmt.h" /* FIXME */
#endif /* __KERNEL__ */

#include "as10x_cmd.h"


/**
   \brief  send add filter command to AS10x
   \param  phandle:   pointer to AS10x handle
   \param  filter:    TSFilter filter for DVB-T
   \param  pfilter_handle: pointer where to store filter handle
   \return 0 when no error, < 0 in case of error.
   \callgraph
*/
int as10x_cmd_add_PID_filter(as10x_handle_t *phandle,
			     struct as10x_ts_filter *filter)
{
	int error;
	struct as10x_cmd_t *pcmd, *prsp;

	ENTER();

	pcmd = phandle->cmd;
	prsp = phandle->rsp;

	/* prepare command */
	as10x_cmd_build(pcmd, (++phandle->cmd_xid),
			sizeof(pcmd->body.add_pid_filter.req));

	/* fill command */
	pcmd->body.add_pid_filter.req.proc_id =
		cpu_to_le16(CONTROL_PROC_SETFILTER);
	pcmd->body.add_pid_filter.req.pid = cpu_to_le16(filter->pid);
	pcmd->body.add_pid_filter.req.stream_type = filter->type;

	if (filter->idx < 16)
		pcmd->body.add_pid_filter.req.idx = filter->idx;
	else
		pcmd->body.add_pid_filter.req.idx = 0xFF;

	/* send command */
	if (phandle->ops->xfer_cmd) {
		error = phandle->ops->xfer_cmd(phandle, (uint8_t *) pcmd,
				sizeof(pcmd->body.add_pid_filter.req)
				+ HEADER_SIZE, (uint8_t *) prsp,
				sizeof(prsp->body.add_pid_filter.rsp)
				+ HEADER_SIZE);
	} else {
		error = AS10X_CMD_ERROR;
	}

	if (error < 0)
		goto out;

	/* parse response */
	error = as10x_rsp_parse(prsp, CONTROL_PROC_SETFILTER_RSP);

	if (error == 0) {
		/* Response OK -> get response data */
		filter->idx = prsp->body.add_pid_filter.rsp.filter_id;
	}

out:
	LEAVE();
	return error;
}

/**
   \brief  Send delete filter command to AS10x
   \param  phandle:       pointer to AS10x handle
   \param  filter_handle: filter handle
   \return 0 when no error, < 0 in case of error.
   \callgraph
*/
int as10x_cmd_del_PID_filter(as10x_handle_t *phandle,
			     uint16_t pid_value)
{
	int error;
	struct as10x_cmd_t *pcmd, *prsp;

	ENTER();

	pcmd = phandle->cmd;
	prsp = phandle->rsp;

	/* prepare command */
	as10x_cmd_build(pcmd, (++phandle->cmd_xid),
			sizeof(pcmd->body.del_pid_filter.req));

	/* fill command */
	pcmd->body.del_pid_filter.req.proc_id =
		cpu_to_le16(CONTROL_PROC_REMOVEFILTER);
	pcmd->body.del_pid_filter.req.pid = cpu_to_le16(pid_value);

	/* send command */
	if (phandle->ops->xfer_cmd) {
		error = phandle->ops->xfer_cmd(phandle, (uint8_t *) pcmd,
				sizeof(pcmd->body.del_pid_filter.req)
				+ HEADER_SIZE, (uint8_t *) prsp,
				sizeof(prsp->body.del_pid_filter.rsp)
				+ HEADER_SIZE);
	} else {
		error = AS10X_CMD_ERROR;
	}

	if (error < 0)
		goto out;

	/* parse response */
	error = as10x_rsp_parse(prsp, CONTROL_PROC_REMOVEFILTER_RSP);

out:
	LEAVE();
	return error;
}

/**
   \brief Send start streaming command to AS10x
   \param  phandle:   pointer to AS10x handle
   \return 0 when no error, < 0 in case of error.
   \callgraph
*/
int as10x_cmd_start_streaming(as10x_handle_t *phandle)
{
	int error;
	struct as10x_cmd_t *pcmd, *prsp;

	ENTER();

	pcmd = phandle->cmd;
	prsp = phandle->rsp;

	/* prepare command */
	as10x_cmd_build(pcmd, (++phandle->cmd_xid),
			sizeof(pcmd->body.start_streaming.req));

	/* fill command */
	pcmd->body.start_streaming.req.proc_id =
		cpu_to_le16(CONTROL_PROC_START_STREAMING);

	/* send command */
	if (phandle->ops->xfer_cmd) {
		error = phandle->ops->xfer_cmd(phandle, (uint8_t *) pcmd,
				sizeof(pcmd->body.start_streaming.req)
				+ HEADER_SIZE, (uint8_t *) prsp,
				sizeof(prsp->body.start_streaming.rsp)
				+ HEADER_SIZE);
	} else {
		error = AS10X_CMD_ERROR;
	}

	if (error < 0)
		goto out;

	/* parse response */
	error = as10x_rsp_parse(prsp, CONTROL_PROC_START_STREAMING_RSP);

out:
	LEAVE();
	return error;
}

/**
   \brief Send stop streaming command to AS10x
   \param  phandle:   pointer to AS10x handle
   \return 0 when no error, < 0 in case of error.
   \callgraph
*/
int as10x_cmd_stop_streaming(as10x_handle_t *phandle)
{
	int8_t error;
	struct as10x_cmd_t *pcmd, *prsp;

	ENTER();

	pcmd = phandle->cmd;
	prsp = phandle->rsp;

	/* prepare command */
	as10x_cmd_build(pcmd, (++phandle->cmd_xid),
			sizeof(pcmd->body.stop_streaming.req));

	/* fill command */
	pcmd->body.stop_streaming.req.proc_id =
		cpu_to_le16(CONTROL_PROC_STOP_STREAMING);

	/* send command */
	if (phandle->ops->xfer_cmd) {
		error = phandle->ops->xfer_cmd(phandle, (uint8_t *) pcmd,
				sizeof(pcmd->body.stop_streaming.req)
				+ HEADER_SIZE, (uint8_t *) prsp,
				sizeof(prsp->body.stop_streaming.rsp)
				+ HEADER_SIZE);
	} else {
		error = AS10X_CMD_ERROR;
	}

	if (error < 0)
		goto out;

	/* parse response */
	error = as10x_rsp_parse(prsp, CONTROL_PROC_STOP_STREAMING_RSP);

out:
	LEAVE();
	return error;
}