Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / media / platform / vivid / vivid-rds-gen.h
diff --git a/kernel/drivers/media/platform/vivid/vivid-rds-gen.h b/kernel/drivers/media/platform/vivid/vivid-rds-gen.h
new file mode 100644 (file)
index 0000000..eff4bf5
--- /dev/null
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+/*
+ * vivid-rds-gen.h - rds (radio data system) generator support functions.
+ *
+ * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _VIVID_RDS_GEN_H_
+#define _VIVID_RDS_GEN_H_
+
+/*
+ * It takes almost exactly 5 seconds to transmit 57 RDS groups.
+ * Each group has 4 blocks and each block has a payload of 16 bits + a
+ * block identification. The driver will generate the contents of these
+ * 57 groups only when necessary and it will just be played continuously.
+ */
+#define VIVID_RDS_GEN_GROUPS 57
+#define VIVID_RDS_GEN_BLKS_PER_GRP 4
+#define VIVID_RDS_GEN_BLOCKS (VIVID_RDS_GEN_BLKS_PER_GRP * VIVID_RDS_GEN_GROUPS)
+
+struct vivid_rds_gen {
+       struct v4l2_rds_data    data[VIVID_RDS_GEN_BLOCKS];
+       bool                    use_rbds;
+       u16                     picode;
+       u8                      pty;
+       bool                    mono_stereo;
+       bool                    art_head;
+       bool                    compressed;
+       bool                    dyn_pty;
+       bool                    ta;
+       bool                    tp;
+       bool                    ms;
+       char                    psname[8 + 1];
+       char                    radiotext[64 + 1];
+};
+
+void vivid_rds_gen_fill(struct vivid_rds_gen *rds, unsigned freq,
+                   bool use_alternate);
+void vivid_rds_generate(struct vivid_rds_gen *rds);
+
+#endif