#ifndef V4L2_COMMON_H_
#define V4L2_COMMON_H_
-/* 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;
-};
+#include <media/v4l2-dev.h>
-/* VIDIOC_INT_DECODE_VBI_LINE */
-struct v4l2_decode_vbi_line {
- u32 is_second_field; /* Set to 0 for the first (odd) field,
- set to 1 for the second (even) field. */
- u8 *p; /* Pointer to the sliced VBI data from the decoder.
- On exit points to the start of the payload. */
- u32 line; /* Line number of the sliced VBI data (1-23) */
- u32 type; /* VBI service type (V4L2_SLICED_*). 0 if no service found */
-};
+/* 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, debug, client, fmt, arg...) \
+ do { \
+ if (debug >= (level)) \
+ v4l_client_printk(KERN_DEBUG, client, fmt , ## arg); \
+ } while (0)
+
+/* ------------------------------------------------------------------------- */
+
+/* These printk constructs can be used with v4l2_device and v4l2_subdev */
+#define v4l2_printk(level, dev, fmt, arg...) \
+ printk(level "%s: " fmt, (dev)->name , ## arg)
-/* 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,
+#define v4l2_err(dev, fmt, arg...) \
+ v4l2_printk(KERN_ERR, dev, fmt , ## arg)
- /* module saa7115: reserved range 100-149 */
- V4L2_IDENT_SAA7114 = 104,
- V4L2_IDENT_SAA7115 = 105,
+#define v4l2_warn(dev, fmt, arg...) \
+ v4l2_printk(KERN_WARNING, dev, fmt , ## arg)
- /* module saa7127: reserved range 150-199 */
- V4L2_IDENT_SAA7127 = 157,
- V4L2_IDENT_SAA7129 = 159,
+#define v4l2_info(dev, fmt, arg...) \
+ v4l2_printk(KERN_INFO, dev, fmt , ## arg)
- /* module cx25840: reserved range 200-249 */
- V4L2_IDENT_CX25840 = 240,
- V4L2_IDENT_CX25841 = 241,
- V4L2_IDENT_CX25842 = 242,
- V4L2_IDENT_CX25843 = 243,
+/* These three macros assume that the debug level is set with a module
+ parameter called 'debug'. */
+#define v4l2_dbg(level, debug, dev, fmt, arg...) \
+ do { \
+ if (debug >= (level)) \
+ v4l2_printk(KERN_DEBUG, dev, fmt , ## arg); \
+ } while (0)
+
+/* ------------------------------------------------------------------------- */
+
+/* Priority helper functions */
+
+struct v4l2_prio_state {
+ atomic_t prios[4];
};
+int v4l2_prio_init(struct v4l2_prio_state *global);
+int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local,
+ enum v4l2_priority new);
+int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local);
+int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local);
+enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global);
+int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local);
+
+/* ------------------------------------------------------------------------- */
+
+/* Control helper functions */
+
+int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl,
+ const char **menu_items);
+const char *v4l2_ctrl_get_name(u32 id);
+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_menu(struct v4l2_querymenu *qmenu,
+ struct v4l2_queryctrl *qctrl, const char **menu_items);
+#define V4L2_CTRL_MENU_IDS_END (0xffffffff)
+int v4l2_ctrl_query_menu_valid_items(struct v4l2_querymenu *qmenu, const u32 *ids);
+
+/* Note: ctrl_classes points to an array of u32 pointers. Each u32 array is a
+ 0-terminated array of control IDs. Each array must be sorted low to high
+ and belong to the same control class. The array of u32 pointers must also
+ be sorted, from low class IDs to high class IDs. */
+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, const struct v4l2_dbg_match *match);
+int v4l2_chip_ident_i2c_client(struct i2c_client *c, struct v4l2_dbg_chip_ident *chip,
+ u32 ident, u32 revision);
+int v4l2_chip_match_host(const struct v4l2_dbg_match *match);
+
+/* ------------------------------------------------------------------------- */
+
+/* I2C Helper functions */
+
+struct i2c_driver;
+struct i2c_adapter;
+struct i2c_client;
+struct i2c_device_id;
+struct v4l2_device;
+struct v4l2_subdev;
+struct v4l2_subdev_ops;
+
+
+/* Load an i2c module and return an initialized v4l2_subdev struct.
+ Only call request_module if module_name != NULL.
+ The client_type argument is the name of the chip that's on the adapter. */
+struct v4l2_subdev *v4l2_i2c_new_subdev(struct i2c_adapter *adapter,
+ const char *module_name, const char *client_type, u8 addr);
+/* Probe and load an i2c module and return an initialized v4l2_subdev struct.
+ Only call request_module if module_name != NULL.
+ The client_type argument is the name of the chip that's on the adapter. */
+struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter,
+ const char *module_name, const char *client_type,
+ const unsigned short *addrs);
+/* Like v4l2_i2c_new_probed_subdev, except probe for a single address. */
+struct v4l2_subdev *v4l2_i2c_new_probed_subdev_addr(struct v4l2_device *v4l2_dev,
+ struct i2c_adapter *adapter,
+ const char *module_name, const char *client_type, u8 addr);
+/* Initialize an v4l2_subdev with data from an i2c_client struct */
+void v4l2_i2c_subdev_init(struct v4l2_subdev *sd, struct i2c_client *client,
+ const struct v4l2_subdev_ops *ops);
+/* Return i2c client address of v4l2_subdev. */
+unsigned short v4l2_i2c_subdev_addr(struct v4l2_subdev *sd);
+
+enum v4l2_i2c_tuner_type {
+ ADDRS_RADIO, /* Radio tuner addresses */
+ ADDRS_DEMOD, /* Demod tuner addresses */
+ ADDRS_TV, /* TV tuner addresses */
+ /* TV tuner addresses if demod is present, this excludes
+ addresses used by the demodulator from the list of
+ candidates. */
+ ADDRS_TV_WITH_DEMOD,
+};
+/* Return a list of I2C tuner addresses to probe. Use only if the tuner
+ addresses are unknown. */
+const unsigned short *v4l2_i2c_tuner_addrs(enum v4l2_i2c_tuner_type type);
+
+/* ------------------------------------------------------------------------- */
-/* 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)
-
-/* Reset the I2C chip */
-#define VIDIOC_INT_RESET _IO ('d', 102)
-
-/* 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.
- 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
- data that was generated by the decoder. The driver then parses the sliced
- VBI data and sets the other fields in the struct accordingly. The pointer p
- is updated to point to the start of the payload which can be copied
- verbatim into the data field of the v4l2_sliced_vbi_data struct. If no
- valid VBI data was found, then the type field is set to 0 on return. */
-#define VIDIOC_INT_DECODE_VBI_LINE _IOWR('d', 104, struct v4l2_decode_vbi_line)
-
-/* 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. */
-#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
- video decoders support this. If no data is available because the readback
- 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 *)
-
-/* 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)
-
-/* Prints used ioctl */
-extern void v4l_printk_ioctl(unsigned int cmd);
-
-#define v4l_print_ioctl(name,cmd) do {\
- printk(KERN_DEBUG "%s: ", name); \
- v4l_printk_ioctl(cmd); } while (0)
-
-#define v4l_i2c_print_ioctl(client,cmd) do {\
- printk(KERN_DEBUG "%s %d-%04x: ", (client)->driver->name, \
- i2c_adapter_id((client)->adapter),(client)->addr); \
- v4l_printk_ioctl(cmd); } while (0)
+/* Note: these remaining ioctls should be removed as well, but they are still
+ used in tuner-simple.c (TUNER_SET_CONFIG) and cx18/ivtv (RESET and
+ S_AUDIO_ROUTING). To remove these ioctls some more cleanup is needed in
+ those modules. */
+
+/* s_config */
+struct v4l2_priv_tun_config {
+ int tuner;
+ void *priv;
+};
+#define TUNER_SET_CONFIG _IOW('d', 92, struct v4l2_priv_tun_config)
+
+/* s_routing: 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;
+};
+#define VIDIOC_INT_S_AUDIO_ROUTING _IOW ('d', 109, struct v4l2_routing)
+#define VIDIOC_INT_RESET _IOW ('d', 102, u32)
#endif /* V4L2_COMMON_H_ */
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