#ifndef V4L2_COMMON_H_
#define V4L2_COMMON_H_
+#include <media/v4l2-dev.h>
+
/* v4l debugging and diagnostics */
+/* Debug bitmask flags to be used on V4L2 */
+#define V4L2_DEBUG_IOCTL 0x01
+#define V4L2_DEBUG_IOCTL_ARG 0x02
+
/* 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...) \
+#define v4l_client_printk(level, client, fmt, arg...) \
v4l_printk(level, (client)->driver->driver.name, (client)->adapter, \
(client)->addr, 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...) \
+#define v4l_dbg(level, debug, 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) \
/* ------------------------------------------------------------------------- */
-/* Internal ioctls */
+/* Control helper functions */
-/* VIDIOC_INT_G_REGISTER and VIDIOC_INT_S_REGISTER */
-struct v4l2_register {
- u32 i2c_id; /* I2C driver ID of the I2C chip. 0 for the I2C adapter. */
- unsigned long reg;
- u32 val;
-};
+int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl,
+ const char **menu_items);
+const char **v4l2_ctrl_get_menu(u32 id);
+int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def);
+int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl);
+int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu,
+ struct v4l2_queryctrl *qctrl, const char **menu_items);
+u32 v4l2_ctrl_next(const u32 * const *ctrl_classes, u32 id);
+
+/* ------------------------------------------------------------------------- */
+
+/* Register/chip ident helper function */
+
+struct i2c_client; /* forward reference */
+int v4l2_chip_match_i2c_client(struct i2c_client *c, u32 id_type, u32 chip_id);
+int v4l2_chip_ident_i2c_client(struct i2c_client *c, struct v4l2_chip_ident *chip,
+ u32 ident, u32 revision);
+int v4l2_chip_match_host(u32 id_type, u32 chip_id);
+
+/* ------------------------------------------------------------------------- */
+
+/* Helper function for I2C legacy drivers */
+
+struct i2c_driver;
+struct i2c_adapter;
+struct i2c_client;
+struct i2c_device_id;
+
+int v4l2_i2c_attach(struct i2c_adapter *adapter, int address, struct i2c_driver *driver,
+ const char *name,
+ int (*probe)(struct i2c_client *, const struct i2c_device_id *));
+
+/* ------------------------------------------------------------------------- */
+
+/* Internal ioctls */
/* VIDIOC_INT_DECODE_VBI_LINE */
struct v4l2_decode_vbi_line {
u32 type; /* VBI service type (V4L2_SLICED_*). 0 if no service found */
};
-/* VIDIOC_INT_G_CHIP_IDENT: identifies the actual chip installed on the board */
-enum v4l2_chip_ident {
- /* general idents: reserved range 0-49 */
- V4L2_IDENT_UNKNOWN = 0,
-
- /* module saa7115: reserved range 100-149 */
- V4L2_IDENT_SAA7114 = 104,
- V4L2_IDENT_SAA7115 = 105,
-
- /* module saa7127: reserved range 150-199 */
- V4L2_IDENT_SAA7127 = 157,
- V4L2_IDENT_SAA7129 = 159,
-
- /* module cx25840: reserved range 200-249 */
- V4L2_IDENT_CX25840 = 240,
- V4L2_IDENT_CX25841 = 241,
- V4L2_IDENT_CX25842 = 242,
- V4L2_IDENT_CX25843 = 243,
+struct v4l2_priv_tun_config {
+ int tuner;
+ void *priv;
};
/* audio ioctls */
-/* v4l device was opened in Radio mode */
+
+/* v4l device was opened in Radio mode, to be replaced by VIDIOC_INT_S_TUNER_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)
+#define TUNER_SET_TYPE_ADDR _IOW('d', 90, int)
+
+/* Puts tuner on powersaving state, disabling it, except for i2c. To be replaced
+ by VIDIOC_INT_S_STANDBY. */
+#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)
+#define TUNER_SET_CONFIG _IOW('d', 92, struct v4l2_priv_tun_config)
-/* 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)
+/* Switch the tuner to a specific tuner mode. Replacement of AUDC_SET_RADIO */
+#define VIDIOC_INT_S_TUNER_MODE _IOW('d', 93, enum v4l2_tuner_type)
-/* Reset the I2C chip */
-#define VIDIOC_INT_RESET _IO ('d', 102)
+/* Generic standby command. Passing -1 (all bits set to 1) will put the whole
+ chip into standby mode, value 0 will make the chip fully active. Specific
+ bits can be used by certain chips to enable/disable specific subsystems.
+ Replacement of TUNER_SET_STANDBY. */
+#define VIDIOC_INT_S_STANDBY _IOW('d', 94, u32)
+
+/* 100, 101 used by VIDIOC_DBG_[SG]_REGISTER */
+
+/* Generic reset command. The argument selects which subsystems to reset.
+ Passing 0 will always reset the whole chip. */
+#define VIDIOC_INT_RESET _IOW ('d', 102, u32)
/* Set the frequency (in Hz) of the audio clock output.
Used to slave an audio processor to the video decoder, ensuring that audio
/* Used to generate VBI signals on a video signal. v4l2_sliced_vbi_data is
filled with the data packets that should be output. Note that if you set
- the line field to 0, then that VBI signal is disabled. */
+ the line field to 0, then that VBI signal is disabled. If no
+ valid VBI data was found, then the type field is set to 0 on return. */
#define VIDIOC_INT_S_VBI_DATA _IOW ('d', 105, struct v4l2_sliced_vbi_data)
/* Used to obtain the sliced VBI packet from a readback register. Not all
register contains invalid or erroneous data -EIO is returned. Note that
you must fill in the 'id' member and the 'field' member (to determine
whether CC data from the first or second field should be obtained). */
-#define VIDIOC_INT_G_VBI_DATA _IOWR('d', 106, struct v4l2_sliced_vbi_data *)
-
-/* Returns the chip identifier or V4L2_IDENT_UNKNOWN if no identification can
- be made. */
-#define VIDIOC_INT_G_CHIP_IDENT _IOR ('d', 107, enum v4l2_chip_ident *)
+#define VIDIOC_INT_G_VBI_DATA _IOWR('d', 106, struct v4l2_sliced_vbi_data)
/* 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.
If the frequency is not supported, then -EINVAL is returned. */
#define VIDIOC_INT_I2S_CLOCK_FREQ _IOW ('d', 108, u32)
+/* Routing definition, device dependent. It specifies which inputs (if any)
+ should be routed to which outputs (if any). */
+struct v4l2_routing {
+ u32 input;
+ u32 output;
+};
+
+/* These internal commands should be used to define the inputs and outputs
+ of an audio/video chip. They will replace the v4l2 API commands
+ VIDIOC_S/G_INPUT, VIDIOC_S/G_OUTPUT, VIDIOC_S/G_AUDIO and VIDIOC_S/G_AUDOUT
+ that are meant to be used by the user.
+ The internal commands should be used to switch inputs/outputs
+ because only the driver knows how to map a 'Television' input to the precise
+ input/output routing of an A/D converter, or a DSP, or a video digitizer.
+ These four commands should only be sent directly to an i2c device, they
+ should not be broadcast as the routing is very device specific. */
+#define VIDIOC_INT_S_AUDIO_ROUTING _IOW ('d', 109, struct v4l2_routing)
+#define VIDIOC_INT_G_AUDIO_ROUTING _IOR ('d', 110, struct v4l2_routing)
+#define VIDIOC_INT_S_VIDEO_ROUTING _IOW ('d', 111, struct v4l2_routing)
+#define VIDIOC_INT_G_VIDEO_ROUTING _IOR ('d', 112, struct v4l2_routing)
+
+struct v4l2_crystal_freq {
+ u32 freq; /* frequency in Hz of the crystal */
+ u32 flags; /* device specific flags */
+};
+
+/* Sets the frequency of the crystal used to generate the clocks.
+ An extra flags field allows device specific configuration regarding
+ clock frequency dividers, etc. If not used, then set flags to 0.
+ If the frequency is not supported, then -EINVAL is returned. */
+#define VIDIOC_INT_S_CRYSTAL_FREQ _IOW ('d', 113, struct v4l2_crystal_freq)
+
+/* Initialize the sensor registors to some sort of reasonable
+ default values. */
+#define VIDIOC_INT_INIT _IOW ('d', 114, u32)
+
+/* Set v4l2_std_id for video OUTPUT devices. This is ignored by
+ video input devices. */
+#define VIDIOC_INT_S_STD_OUTPUT _IOW ('d', 115, v4l2_std_id)
+
+/* Get v4l2_std_id for video OUTPUT devices. This is ignored by
+ video input devices. */
+#define VIDIOC_INT_G_STD_OUTPUT _IOW ('d', 116, v4l2_std_id)
+
#endif /* V4L2_COMMON_H_ */
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