summaryrefslogtreecommitdiff
path: root/drivers/media/dvb-frontends/lgdt3306a.h
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-04-21 12:12:35 +0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-04-21 12:12:35 +0300
commit676ee36be04985062522804c2de04f0764212be6 (patch)
tree781df135c5a91a04decad1b7d53b5a925dc11522 /drivers/media/dvb-frontends/lgdt3306a.h
parentb18042a673e88c9457a6d1716219c2367ca447b0 (diff)
parente183201b9e917daf2530b637b2f34f1d5afb934d (diff)
downloadlinux-676ee36be04985062522804c2de04f0764212be6.tar.xz
Merge branch 'patchwork' into v4l_for_linus
* patchwork: (404 commits) [media] uvcvideo: add support for VIDIOC_QUERY_EXT_CTRL [media] uvcvideo: fix cropcap v4l2-compliance failure [media] media: omap3isp: remove unused clkdev [media] coda: Add tracing support [media] coda: drop dma_sync_single_for_device in coda_bitstream_queue [media] coda: fix fill bitstream errors in nonstreaming case [media] coda: call SEQ_END when the first queue is stopped [media] coda: fail to start streaming if userspace set invalid formats [media] coda: remove duplicate error messages for buffer allocations [media] coda: move parameter buffer in together with context buffer allocation [media] coda: allocate bitstream buffer from REQBUFS, size depends on the format [media] coda: allocate per-context buffers from REQBUFS [media] coda: use strlcpy instead of snprintf [media] coda: bitstream payload is unsigned [media] coda: fix double call to debugfs_remove [media] coda: check kasprintf return value in coda_open [media] coda: bitrate can only be set in kbps steps [media] v4l2-mem2mem: no need to initialize b in v4l2_m2m_next_buf and v4l2_m2m_buf_remove [media] s5p-mfc: set allow_zero_bytesused flag for vb2_queue_init [media] coda: set allow_zero_bytesused flag for vb2_queue_init ...
Diffstat (limited to 'drivers/media/dvb-frontends/lgdt3306a.h')
-rw-r--r--drivers/media/dvb-frontends/lgdt3306a.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/lgdt3306a.h b/drivers/media/dvb-frontends/lgdt3306a.h
new file mode 100644
index 000000000000..9dbb2dced1fe
--- /dev/null
+++ b/drivers/media/dvb-frontends/lgdt3306a.h
@@ -0,0 +1,74 @@
+/*
+ * Support for LGDT3306A - 8VSB/QAM-B
+ *
+ * Copyright (C) 2013,2014 Fred Richter <frichter@hauppauge.com>
+ * based on lgdt3305.[ch] by Michael Krufky
+ *
+ * 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.
+ */
+
+#ifndef _LGDT3306A_H_
+#define _LGDT3306A_H_
+
+#include <linux/i2c.h>
+#include "dvb_frontend.h"
+
+
+enum lgdt3306a_mpeg_mode {
+ LGDT3306A_MPEG_PARALLEL = 0,
+ LGDT3306A_MPEG_SERIAL = 1,
+};
+
+enum lgdt3306a_tp_clock_edge {
+ LGDT3306A_TPCLK_RISING_EDGE = 0,
+ LGDT3306A_TPCLK_FALLING_EDGE = 1,
+};
+
+enum lgdt3306a_tp_valid_polarity {
+ LGDT3306A_TP_VALID_LOW = 0,
+ LGDT3306A_TP_VALID_HIGH = 1,
+};
+
+struct lgdt3306a_config {
+ u8 i2c_addr;
+
+ /* user defined IF frequency in KHz */
+ u16 qam_if_khz;
+ u16 vsb_if_khz;
+
+ /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
+ unsigned int deny_i2c_rptr:1;
+
+ /* spectral inversion - 0:disabled 1:enabled */
+ unsigned int spectral_inversion:1;
+
+ enum lgdt3306a_mpeg_mode mpeg_mode;
+ enum lgdt3306a_tp_clock_edge tpclk_edge;
+ enum lgdt3306a_tp_valid_polarity tpvalid_polarity;
+
+ /* demod clock freq in MHz; 24 or 25 supported */
+ int xtalMHz;
+};
+
+#if IS_REACHABLE(CONFIG_DVB_LGDT3306A)
+struct dvb_frontend *lgdt3306a_attach(const struct lgdt3306a_config *config,
+ struct i2c_adapter *i2c_adap);
+#else
+static inline
+struct dvb_frontend *lgdt3306a_attach(const struct lgdt3306a_config *config,
+ struct i2c_adapter *i2c_adap)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif /* CONFIG_DVB_LGDT3306A */
+
+#endif /* _LGDT3306A_H_ */