| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Antti Palosaari | 1031 | 98.38% | 48 | 87.27% |
| Mauro Carvalho Chehab | 6 | 0.57% | 2 | 3.64% |
| Sean Young | 5 | 0.48% | 2 | 3.64% |
| Rafael Lourenço de Lima Chehab | 3 | 0.29% | 1 | 1.82% |
| Thomas Gleixner | 2 | 0.19% | 1 | 1.82% |
| David Härdeman | 1 | 0.10% | 1 | 1.82% |
| Total | 1048 | 55 |
/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * DVB USB framework * * Copyright (C) 2004-6 Patrick Boettcher <patrick.boettcher@posteo.de> * Copyright (C) 2012 Antti Palosaari <crope@iki.fi> */ #ifndef DVB_USB_H #define DVB_USB_H #include <linux/usb/input.h> #include <linux/firmware.h> #include <media/rc-core.h> #include <media/media-device.h> #include <media/dvb_frontend.h> #include <media/dvb_demux.h> #include <media/dvb_net.h> #include <media/dmxdev.h> #include <media/dvb-usb-ids.h> /* * device file: /dev/dvb/adapter[0-1]/frontend[0-2] * * |-- device * | |-- adapter0 * | | |-- frontend0 * | | |-- frontend1 * | | `-- frontend2 * | `-- adapter1 * | |-- frontend0 * | |-- frontend1 * | `-- frontend2 * * * Commonly used variable names: * d = pointer to device (struct dvb_usb_device *) * adap = pointer to adapter (struct dvb_usb_adapter *) * fe = pointer to frontend (struct dvb_frontend *) * * Use macros defined in that file to resolve needed pointers. */ /* helper macros for every DVB USB driver use */ #define adap_to_d(adap) (container_of(adap, struct dvb_usb_device, \ adapter[adap->id])) #define adap_to_priv(adap) (adap_to_d(adap)->priv) #define fe_to_adap(fe) ((struct dvb_usb_adapter *) ((fe)->dvb->priv)) #define fe_to_d(fe) (adap_to_d(fe_to_adap(fe))) #define fe_to_priv(fe) (fe_to_d(fe)->priv) #define d_to_priv(d) (d->priv) #define dvb_usb_dbg_usb_control_msg(udev, r, t, v, i, b, l) { \ char *direction; \ if (t == (USB_TYPE_VENDOR | USB_DIR_OUT)) \ direction = ">>>"; \ else \ direction = "<<<"; \ dev_dbg(&udev->dev, "%s: %02x %02x %02x %02x %02x %02x %02x %02x " \ "%s %*ph\n", __func__, t, r, v & 0xff, v >> 8, \ i & 0xff, i >> 8, l & 0xff, l >> 8, direction, l, b); \ } #define DVB_USB_STREAM_BULK(endpoint_, count_, size_) { \ .type = USB_BULK, \ .count = count_, \ .endpoint = endpoint_, \ .u = { \ .bulk = { \ .buffersize = size_, \ } \ } \ } #define DVB_USB_STREAM_ISOC(endpoint_, count_, frames_, size_, interval_) { \ .type = USB_ISOC, \ .count = count_, \ .endpoint = endpoint_, \ .u = { \ .isoc = { \ .framesperurb = frames_, \ .framesize = size_,\ .interval = interval_, \ } \ } \ } #define DVB_USB_DEVICE(vend, prod, props_, name_, rc) \ .match_flags = USB_DEVICE_ID_MATCH_DEVICE, \ .idVendor = (vend), \ .idProduct = (prod), \ .driver_info = (kernel_ulong_t) &((const struct dvb_usb_driver_info) { \ .props = (props_), \ .name = (name_), \ .rc_map = (rc), \ }) struct dvb_usb_device; struct dvb_usb_adapter; /** * structure for carrying all needed data from the device driver to the general * dvb usb routines * @name: device name * @rc_map: name of rc codes table * @props: structure containing all device properties */ struct dvb_usb_driver_info { const char *name; const char *rc_map; const struct dvb_usb_device_properties *props; }; /** * structure for remote controller configuration * @map_name: name of rc codes table * @allowed_protos: protocol(s) supported by the driver * @change_protocol: callback to change protocol * @query: called to query an event from the device * @interval: time in ms between two queries * @driver_type: used to point if a device supports raw mode * @bulk_mode: device supports bulk mode for rc (disable polling mode) * @timeout: set to length of last space before raw IR goes idle */ struct dvb_usb_rc { const char *map_name; u64 allowed_protos; int (*change_protocol)(struct rc_dev *dev, u64 *rc_proto); int (*query) (struct dvb_usb_device *d); unsigned int interval; enum rc_driver_type driver_type; bool bulk_mode; int timeout; }; /** * usb streaming configuration for adapter * @type: urb type * @count: count of used urbs * @endpoint: stream usb endpoint number */ struct usb_data_stream_properties { #define USB_BULK 1 #define USB_ISOC 2 u8 type; u8 count; u8 endpoint; union { struct { unsigned int buffersize; /* per URB */ } bulk; struct { int framesperurb; int framesize; int interval; } isoc; } u; }; /** * properties of dvb usb device adapter * @caps: adapter capabilities * @pid_filter_count: pid count of adapter pid-filter * @pid_filter_ctrl: called to enable/disable pid-filter * @pid_filter: called to set/unset pid for filtering * @stream: adapter usb stream configuration */ #define MAX_NO_OF_FE_PER_ADAP 3 struct dvb_usb_adapter_properties { #define DVB_USB_ADAP_HAS_PID_FILTER 0x01 #define DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF 0x02 #define DVB_USB_ADAP_NEED_PID_FILTERING 0x04 u8 caps; u8 pid_filter_count; int (*pid_filter_ctrl) (struct dvb_usb_adapter *, int); int (*pid_filter) (struct dvb_usb_adapter *, int, u16, int); struct usb_data_stream_properties stream; }; /** * struct dvb_usb_device_properties - properties of a dvb-usb-device * @driver_name: name of the owning driver module * @owner: owner of the dvb_adapter * @adapter_nr: values from the DVB_DEFINE_MOD_OPT_ADAPTER_NR() macro * @bInterfaceNumber: usb interface number driver binds * @size_of_priv: bytes allocated for the driver private data * @generic_bulk_ctrl_endpoint: bulk control endpoint number for sent * @generic_bulk_ctrl_endpoint_response: bulk control endpoint number for * receive * @generic_bulk_ctrl_delay: delay between bulk control sent and receive message * @probe: like probe on driver model * @disconnect: like disconnect on driver model * @identify_state: called to determine the firmware state (cold or warm) and * return possible firmware file name to be loaded * @firmware: name of the firmware file to be loaded * @download_firmware: called to download the firmware * @i2c_algo: i2c_algorithm if the device has i2c-adapter * @num_adapters: dvb usb device adapter count * @get_adapter_count: called to resolve adapter count * @adapter: array of all adapter properties of device * @power_ctrl: called to enable/disable power of the device * @read_config: called to resolve device configuration * @read_mac_address: called to resolve adapter mac-address * @frontend_attach: called to attach the possible frontends * @frontend_detach: called to detach the possible frontends * @tuner_attach: called to attach the possible tuners * @frontend_ctrl: called to power on/off active frontend * @streaming_ctrl: called to start/stop the usb streaming of adapter * @init: called after adapters are created in order to finalize device * configuration * @exit: called when driver is unloaded * @get_rc_config: called to resolve used remote controller configuration * @get_stream_config: called to resolve input and output stream configuration * of the adapter just before streaming is started. input stream is transport * stream from the demodulator and output stream is usb stream to host. */ #define MAX_NO_OF_ADAPTER_PER_DEVICE 2 struct dvb_usb_device_properties { const char *driver_name; struct module *owner; short *adapter_nr; u8 bInterfaceNumber; unsigned int size_of_priv; u8 generic_bulk_ctrl_endpoint; u8 generic_bulk_ctrl_endpoint_response; unsigned int generic_bulk_ctrl_delay; int (*probe)(struct dvb_usb_device *); void (*disconnect)(struct dvb_usb_device *); #define WARM 0 #define COLD 1 int (*identify_state) (struct dvb_usb_device *, const char **); const char *firmware; #define RECONNECTS_USB 1 int (*download_firmware) (struct dvb_usb_device *, const struct firmware *); struct i2c_algorithm *i2c_algo; unsigned int num_adapters; int (*get_adapter_count) (struct dvb_usb_device *); struct dvb_usb_adapter_properties adapter[MAX_NO_OF_ADAPTER_PER_DEVICE]; int (*power_ctrl) (struct dvb_usb_device *, int); int (*read_config) (struct dvb_usb_device *d); int (*read_mac_address) (struct dvb_usb_adapter *, u8 []); int (*frontend_attach) (struct dvb_usb_adapter *); int (*frontend_detach)(struct dvb_usb_adapter *); int (*tuner_attach) (struct dvb_usb_adapter *); int (*tuner_detach)(struct dvb_usb_adapter *); int (*frontend_ctrl) (struct dvb_frontend *, int); int (*streaming_ctrl) (struct dvb_frontend *, int); int (*init) (struct dvb_usb_device *); void (*exit) (struct dvb_usb_device *); int (*get_rc_config) (struct dvb_usb_device *, struct dvb_usb_rc *); #define DVB_USB_FE_TS_TYPE_188 0 #define DVB_USB_FE_TS_TYPE_204 1 #define DVB_USB_FE_TS_TYPE_RAW 2 int (*get_stream_config) (struct dvb_frontend *, u8 *, struct usb_data_stream_properties *); }; /** * generic object of an usb stream * @buf_num: number of buffer allocated * @buf_size: size of each buffer in buf_list * @buf_list: array containing all allocate buffers for streaming * @dma_addr: list of dma_addr_t for each buffer in buf_list * * @urbs_initialized: number of URBs initialized * @urbs_submitted: number of URBs submitted */ #define MAX_NO_URBS_FOR_DATA_STREAM 10 struct usb_data_stream { struct usb_device *udev; struct usb_data_stream_properties props; #define USB_STATE_INIT 0x00 #define USB_STATE_URB_BUF 0x01 u8 state; void (*complete) (struct usb_data_stream *, u8 *, size_t); struct urb *urb_list[MAX_NO_URBS_FOR_DATA_STREAM]; int buf_num; unsigned long buf_size; u8 *buf_list[MAX_NO_URBS_FOR_DATA_STREAM]; dma_addr_t dma_addr[MAX_NO_URBS_FOR_DATA_STREAM]; int urbs_initialized; int urbs_submitted; void *user_priv; }; /** * dvb adapter object on dvb usb device * @props: pointer to adapter properties * @stream: adapter the usb data stream * @id: index of this adapter (starting with 0) * @ts_type: transport stream, input stream, type * @suspend_resume_active: set when there is ongoing suspend / resume * @pid_filtering: is hardware pid_filtering used or not * @feed_count: current feed count * @max_feed_count: maimum feed count device can handle * @dvb_adap: adapter dvb_adapter * @dmxdev: adapter dmxdev * @demux: adapter software demuxer * @dvb_net: adapter dvb_net interfaces * @sync_mutex: mutex used to sync control and streaming of the adapter * @fe: adapter frontends * @fe_init: rerouted frontend-init function * @fe_sleep: rerouted frontend-sleep function */ struct dvb_usb_adapter { const struct dvb_usb_adapter_properties *props; struct usb_data_stream stream; u8 id; u8 ts_type; bool suspend_resume_active; bool pid_filtering; u8 feed_count; u8 max_feed_count; s8 active_fe; #define ADAP_INIT 0 #define ADAP_SLEEP 1 #define ADAP_STREAMING 2 unsigned long state_bits; /* dvb */ struct dvb_adapter dvb_adap; struct dmxdev dmxdev; struct dvb_demux demux; struct dvb_net dvb_net; struct dvb_frontend *fe[MAX_NO_OF_FE_PER_ADAP]; int (*fe_init[MAX_NO_OF_FE_PER_ADAP]) (struct dvb_frontend *); int (*fe_sleep[MAX_NO_OF_FE_PER_ADAP]) (struct dvb_frontend *); }; /** * dvb usb device object * @props: device properties * @name: device name * @rc_map: name of rc codes table * @rc_polling_active: set when RC polling is active * @intf: pointer to the device's struct usb_interface * @udev: pointer to the device's struct usb_device * @rc: remote controller configuration * @powered: indicated whether the device is power or not * @usb_mutex: mutex for usb control messages * @i2c_mutex: mutex for i2c-transfers * @i2c_adap: device's i2c-adapter * @rc_dev: rc device for the remote control * @rc_query_work: work for polling remote * @priv: private data of the actual driver (allocate by dvb usb, size defined * in size_of_priv of dvb_usb_properties). */ struct dvb_usb_device { const struct dvb_usb_device_properties *props; const char *name; const char *rc_map; bool rc_polling_active; struct usb_interface *intf; struct usb_device *udev; struct dvb_usb_rc rc; int powered; /* locking */ struct mutex usb_mutex; /* i2c */ struct mutex i2c_mutex; struct i2c_adapter i2c_adap; struct dvb_usb_adapter adapter[MAX_NO_OF_ADAPTER_PER_DEVICE]; /* remote control */ struct rc_dev *rc_dev; char rc_phys[64]; struct delayed_work rc_query_work; void *priv; }; extern int dvb_usbv2_probe(struct usb_interface *, const struct usb_device_id *); extern void dvb_usbv2_disconnect(struct usb_interface *); extern int dvb_usbv2_suspend(struct usb_interface *, pm_message_t); extern int dvb_usbv2_resume(struct usb_interface *); extern int dvb_usbv2_reset_resume(struct usb_interface *); /* the generic read/write method for device control */ extern int dvb_usbv2_generic_rw(struct dvb_usb_device *, u8 *, u16, u8 *, u16); extern int dvb_usbv2_generic_write(struct dvb_usb_device *, u8 *, u16); /* caller must hold lock when locked versions are called */ extern int dvb_usbv2_generic_rw_locked(struct dvb_usb_device *, u8 *, u16, u8 *, u16); extern int dvb_usbv2_generic_write_locked(struct dvb_usb_device *, u8 *, u16); #endif
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