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path: root/drivers/media/usb/as102/as10x_cmd_stream.c
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Diffstat (limited to 'drivers/media/usb/as102/as10x_cmd_stream.c')
-rw-r--r--drivers/media/usb/as102/as10x_cmd_stream.c207
1 files changed, 207 insertions, 0 deletions
diff --git a/drivers/media/usb/as102/as10x_cmd_stream.c b/drivers/media/usb/as102/as10x_cmd_stream.c
new file mode 100644
index 0000000..126aea9
--- /dev/null
+++ b/drivers/media/usb/as102/as10x_cmd_stream.c
@@ -0,0 +1,207 @@
+/*
+ * Abilis Systems Single DVB-T Receiver
+ * Copyright (C) 2008 Pierrick Hascoet <pierrick.hascoet@abilis.com>
+ *
+ * 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, 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.
+ */
+
+#include <linux/kernel.h>
+#include "as102_drv.h"
+#include "as10x_cmd.h"
+
+/**
+ * as10x_cmd_add_PID_filter - send add filter command to AS10x
+ * @adap: pointer to AS10x bus adapter
+ * @filter: TSFilter filter for DVB-T
+ *
+ * Return 0 on success or negative value in case of error.
+ */
+int as10x_cmd_add_PID_filter(struct as10x_bus_adapter_t *adap,
+ struct as10x_ts_filter *filter)
+{
+ int error;
+ struct as10x_cmd_t *pcmd, *prsp;
+
+ pcmd = adap->cmd;
+ prsp = adap->rsp;
+
+ /* prepare command */
+ as10x_cmd_build(pcmd, (++adap->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 (adap->ops->xfer_cmd) {
+ error = adap->ops->xfer_cmd(adap, (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:
+ return error;
+}
+
+/**
+ * as10x_cmd_del_PID_filter - Send delete filter command to AS10x
+ * @adap: pointer to AS10x bus adapte
+ * @pid_value: PID to delete
+ *
+ * Return 0 on success or negative value in case of error.
+ */
+int as10x_cmd_del_PID_filter(struct as10x_bus_adapter_t *adap,
+ uint16_t pid_value)
+{
+ int error;
+ struct as10x_cmd_t *pcmd, *prsp;
+
+ pcmd = adap->cmd;
+ prsp = adap->rsp;
+
+ /* prepare command */
+ as10x_cmd_build(pcmd, (++adap->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 (adap->ops->xfer_cmd) {
+ error = adap->ops->xfer_cmd(adap, (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:
+ return error;
+}
+
+/**
+ * as10x_cmd_start_streaming - Send start streaming command to AS10x
+ * @adap: pointer to AS10x bus adapter
+ *
+ * Return 0 on success or negative value in case of error.
+ */
+int as10x_cmd_start_streaming(struct as10x_bus_adapter_t *adap)
+{
+ int error;
+ struct as10x_cmd_t *pcmd, *prsp;
+
+ pcmd = adap->cmd;
+ prsp = adap->rsp;
+
+ /* prepare command */
+ as10x_cmd_build(pcmd, (++adap->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 (adap->ops->xfer_cmd) {
+ error = adap->ops->xfer_cmd(adap, (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:
+ return error;
+}
+
+/**
+ * as10x_cmd_stop_streaming - Send stop streaming command to AS10x
+ * @adap: pointer to AS10x bus adapter
+ *
+ * Return 0 on success or negative value in case of error.
+ */
+int as10x_cmd_stop_streaming(struct as10x_bus_adapter_t *adap)
+{
+ int8_t error;
+ struct as10x_cmd_t *pcmd, *prsp;
+
+ pcmd = adap->cmd;
+ prsp = adap->rsp;
+
+ /* prepare command */
+ as10x_cmd_build(pcmd, (++adap->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 (adap->ops->xfer_cmd) {
+ error = adap->ops->xfer_cmd(adap, (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:
+ return error;
+}

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