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authorLinus Torvalds <torvalds@g5.osdl.org>2006-01-09 13:03:58 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-09 13:03:58 -0800
commitf17578decc40df8fceff82b106582e30bdfb3189 (patch)
tree911a435a2094ac03ae649f020237674224e4124a /include/media/v4l2-common.h
parent[PATCH] Fix more "if ((err = foo() < 0))" typos (diff)
parentV4L/DVB (3336): Bluebird firmware hosting moved to common dvb firmware dir on linuxtv.org (diff)
downloadlinux-dev-f17578decc40df8fceff82b106582e30bdfb3189.tar.xz
linux-dev-f17578decc40df8fceff82b106582e30bdfb3189.zip
Merge master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb
Diffstat (limited to 'include/media/v4l2-common.h')
-rw-r--r--include/media/v4l2-common.h85
1 files changed, 76 insertions, 9 deletions
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index d3fd48157eb8..3cc3132f391e 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h
@@ -26,12 +26,57 @@
#ifndef V4L2_COMMON_H_
#define V4L2_COMMON_H_
-/* VIDIOC_INT_AUDIO_CLOCK_FREQ */
-enum v4l2_audio_clock_freq {
- V4L2_AUDCLK_32_KHZ = 32000,
- V4L2_AUDCLK_441_KHZ = 44100,
- V4L2_AUDCLK_48_KHZ = 48000,
-};
+/* v4l debugging and diagnostics */
+
+/* Common printk constucts for v4l-i2c drivers. These macros create a unique
+ prefix consisting of the driver name, the adapter number and the i2c
+ address. */
+#define v4l_printk(level, name, adapter, addr, fmt, arg...) \
+ printk(level "%s %d-%04x: " fmt, name, i2c_adapter_id(adapter), addr , ## arg)
+
+#define v4l_client_printk(level, client, fmt, arg...) \
+ v4l_printk(level, (client)->driver->driver.name, (client)->adapter, \
+ (client)->addr, fmt , ## arg)
+
+#define v4l_err(client, fmt, arg...) \
+ v4l_client_printk(KERN_ERR, client, fmt , ## arg)
+
+#define v4l_warn(client, fmt, arg...) \
+ v4l_client_printk(KERN_WARNING, client, fmt , ## arg)
+
+#define v4l_info(client, fmt, arg...) \
+ v4l_client_printk(KERN_INFO, client, fmt , ## arg)
+
+/* These three macros assume that the debug level is set with a module
+ parameter called 'debug'. */
+#define v4l_dbg(level, client, fmt, arg...) \
+ do { \
+ extern int debug; \
+ if (debug >= (level)) \
+ v4l_client_printk(KERN_DEBUG, client, fmt , ## arg); \
+ } while (0)
+
+/* Prints the ioctl in a human-readable format */
+extern void v4l_printk_ioctl(unsigned int cmd);
+
+/* Use this macro for non-I2C drivers. Pass the driver name as the first arg. */
+#define v4l_print_ioctl(name, cmd) \
+ do { \
+ printk(KERN_DEBUG "%s: ", name); \
+ v4l_printk_ioctl(cmd); \
+ } while (0)
+
+/* Use this macro in I2C drivers where 'client' is the struct i2c_client
+ pointer */
+#define v4l_i2c_print_ioctl(client, cmd) \
+ do { \
+ v4l_client_printk(KERN_DEBUG, client, ""); \
+ v4l_printk_ioctl(cmd); \
+ } while (0)
+
+/* ------------------------------------------------------------------------- */
+
+/* Internal ioctls */
/* VIDIOC_INT_G_REGISTER and VIDIOC_INT_S_REGISTER */
struct v4l2_register {
@@ -70,6 +115,20 @@ enum v4l2_chip_ident {
V4L2_IDENT_CX25843 = 243,
};
+/* audio ioctls */
+/* v4l device was opened in Radio mode */
+#define AUDC_SET_RADIO _IO('d',88)
+/* select from TV,radio,extern,MUTE */
+#define AUDC_SET_INPUT _IOW('d',89,int)
+
+/* tuner ioctls */
+/* Sets tuner type and its I2C addr */
+#define TUNER_SET_TYPE_ADDR _IOW('d',90,int)
+/* Puts tuner on powersaving state, disabling it, except for i2c */
+#define TUNER_SET_STANDBY _IOW('d',91,int)
+/* Sets tda9887 specific stuff, like port1, port2 and qss */
+#define TDA9887_SET_CONFIG _IOW('d',92,int)
+
/* only implemented if CONFIG_VIDEO_ADV_DEBUG is defined */
#define VIDIOC_INT_S_REGISTER _IOR ('d', 100, struct v4l2_register)
#define VIDIOC_INT_G_REGISTER _IOWR('d', 101, struct v4l2_register)
@@ -77,10 +136,12 @@ enum v4l2_chip_ident {
/* Reset the I2C chip */
#define VIDIOC_INT_RESET _IO ('d', 102)
-/* Set the frequency of the audio clock output.
+/* Set the frequency (in Hz) of the audio clock output.
Used to slave an audio processor to the video decoder, ensuring that audio
- and video remain synchronized. */
-#define VIDIOC_INT_AUDIO_CLOCK_FREQ _IOR ('d', 103, enum v4l2_audio_clock_freq)
+ and video remain synchronized.
+ Usual values for the frequency are 48000, 44100 or 32000 Hz.
+ If the frequency is not supported, then -EINVAL is returned. */
+#define VIDIOC_INT_AUDIO_CLOCK_FREQ _IOW ('d', 103, u32)
/* Video decoders that support sliced VBI need to implement this ioctl.
Field p of the v4l2_sliced_vbi_line struct is set to the start of the VBI
@@ -107,4 +168,10 @@ enum v4l2_chip_ident {
be made. */
#define VIDIOC_INT_G_CHIP_IDENT _IOR ('d', 107, enum v4l2_chip_ident *)
+/* Sets I2S speed in bps. This is used to provide a standard way to select I2S
+ clock used by driving digital audio streams at some board designs.
+ Usual values for the frequency are 1024000 and 2048000.
+ If the frequency is not supported, then -EINVAL is returned. */
+#define VIDIOC_INT_I2S_CLOCK_FREQ _IOW ('d', 108, u32)
+
#endif /* V4L2_COMMON_H_ */