X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=include%2Fmedia%2Fv4l2-common.h;h=642520acdfa7b41da7a77cd78206b7a1b5d7ce77;hb=d4965b3e2ff94d0c7b7e6e7e9794b54950a2f4b9;hp=d3fd48157eb8bb87205e41fd82abdb9d8f89afd9;hpb=ee90f62b3e69d0cd9f8edc6b95f07b1a8c38aaf4;p=powerpc.git diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h index d3fd48157e..642520acdf 100644 --- a/include/media/v4l2-common.h +++ b/include/media/v4l2-common.h @@ -26,12 +26,59 @@ #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, debug, client, fmt, arg...) \ + do { \ + 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); + +/* Prints the ioctl and arg in a human-readable format */ +extern void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg); + +/* 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 { @@ -56,6 +103,7 @@ enum v4l2_chip_ident { V4L2_IDENT_UNKNOWN = 0, /* module saa7115: reserved range 100-149 */ + V4L2_IDENT_SAA7113 = 103, V4L2_IDENT_SAA7114 = 104, V4L2_IDENT_SAA7115 = 105, @@ -70,6 +118,32 @@ enum v4l2_chip_ident { V4L2_IDENT_CX25843 = 243, }; +/* audio ioctls */ + +/* v4l device was opened in Radio mode, to be replaced by VIDIOC_INT_S_TUNER_MODE */ +#define AUDC_SET_RADIO _IO('d',88) + +/* 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. 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) + +/* 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) + +/* 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) + /* 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 +151,12 @@ 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 @@ -93,7 +169,8 @@ enum v4l2_chip_ident { /* 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 @@ -101,10 +178,37 @@ enum v4l2_chip_ident { 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 *) +#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_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) + +/* 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) #endif /* V4L2_COMMON_H_ */