diff options
Diffstat (limited to 'kernel/drivers/media/dvb-core/dvb_ca_en50221.h')
| -rw-r--r-- | kernel/drivers/media/dvb-core/dvb_ca_en50221.h | 133 |
1 files changed, 66 insertions, 67 deletions
diff --git a/kernel/drivers/media/dvb-core/dvb_ca_en50221.h b/kernel/drivers/media/dvb-core/dvb_ca_en50221.h index 7df2e1411..1e4bbbd34 100644 --- a/kernel/drivers/media/dvb-core/dvb_ca_en50221.h +++ b/kernel/drivers/media/dvb-core/dvb_ca_en50221.h @@ -12,10 +12,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef _DVB_CA_EN50221_H_ @@ -37,100 +33,103 @@ #define DVB_CA_EN50221_CAMCHANGE_REMOVED 0 #define DVB_CA_EN50221_CAMCHANGE_INSERTED 1 - - -/* Structure describing a CA interface */ +/** + * struct dvb_ca_en50221- Structure describing a CA interface + * + * @owner: the module owning this structure + * @read_attribute_mem: function for reading attribute memory on the CAM + * @write_attribute_mem: function for writing attribute memory on the CAM + * @read_cam_control: function for reading the control interface on the CAM + * @write_cam_control: function for reading the control interface on the CAM + * @slot_reset: function to reset the CAM slot + * @slot_shutdown: function to shutdown a CAM slot + * @slot_ts_enable: function to enable the Transport Stream on a CAM slot + * @poll_slot_status: function to poll slot status. Only necessary if + * DVB_CA_FLAG_EN50221_IRQ_CAMCHANGE is not set. + * @data: private data, used by caller. + * @private: Opaque data used by the dvb_ca core. Do not modify! + * + * NOTE: the read_*, write_* and poll_slot_status functions will be + * called for different slots concurrently and need to use locks where + * and if appropriate. There will be no concurrent access to one slot. + */ struct dvb_ca_en50221 { + struct module *owner; - /* the module owning this structure */ - struct module* owner; - - /* NOTE: the read_*, write_* and poll_slot_status functions will be - * called for different slots concurrently and need to use locks where - * and if appropriate. There will be no concurrent access to one slot. - */ + int (*read_attribute_mem)(struct dvb_ca_en50221 *ca, + int slot, int address); + int (*write_attribute_mem)(struct dvb_ca_en50221 *ca, + int slot, int address, u8 value); - /* functions for accessing attribute memory on the CAM */ - int (*read_attribute_mem)(struct dvb_ca_en50221* ca, int slot, int address); - int (*write_attribute_mem)(struct dvb_ca_en50221* ca, int slot, int address, u8 value); + int (*read_cam_control)(struct dvb_ca_en50221 *ca, + int slot, u8 address); + int (*write_cam_control)(struct dvb_ca_en50221 *ca, + int slot, u8 address, u8 value); - /* functions for accessing the control interface on the CAM */ - int (*read_cam_control)(struct dvb_ca_en50221* ca, int slot, u8 address); - int (*write_cam_control)(struct dvb_ca_en50221* ca, int slot, u8 address, u8 value); + int (*slot_reset)(struct dvb_ca_en50221 *ca, int slot); + int (*slot_shutdown)(struct dvb_ca_en50221 *ca, int slot); + int (*slot_ts_enable)(struct dvb_ca_en50221 *ca, int slot); - /* Functions for controlling slots */ - int (*slot_reset)(struct dvb_ca_en50221* ca, int slot); - int (*slot_shutdown)(struct dvb_ca_en50221* ca, int slot); - int (*slot_ts_enable)(struct dvb_ca_en50221* ca, int slot); + int (*poll_slot_status)(struct dvb_ca_en50221 *ca, int slot, int open); - /* - * Poll slot status. - * Only necessary if DVB_CA_FLAG_EN50221_IRQ_CAMCHANGE is not set - */ - int (*poll_slot_status)(struct dvb_ca_en50221* ca, int slot, int open); + void *data; - /* private data, used by caller */ - void* data; - - /* Opaque data used by the dvb_ca core. Do not modify! */ - void* private; + void *private; }; - - - -/* ******************************************************************************** */ -/* Functions for reporting IRQ events */ +/* + * Functions for reporting IRQ events + */ /** - * A CAMCHANGE IRQ has occurred. + * dvb_ca_en50221_camchange_irq - A CAMCHANGE IRQ has occurred. * - * @param ca CA instance. - * @param slot Slot concerned. - * @param change_type One of the DVB_CA_CAMCHANGE_* values + * @pubca: CA instance. + * @slot: Slot concerned. + * @change_type: One of the DVB_CA_CAMCHANGE_* values */ -void dvb_ca_en50221_camchange_irq(struct dvb_ca_en50221* pubca, int slot, int change_type); +void dvb_ca_en50221_camchange_irq(struct dvb_ca_en50221 *pubca, int slot, + int change_type); /** - * A CAMREADY IRQ has occurred. + * dvb_ca_en50221_camready_irq - A CAMREADY IRQ has occurred. * - * @param ca CA instance. - * @param slot Slot concerned. + * @pubca: CA instance. + * @slot: Slot concerned. */ -void dvb_ca_en50221_camready_irq(struct dvb_ca_en50221* pubca, int slot); +void dvb_ca_en50221_camready_irq(struct dvb_ca_en50221 *pubca, int slot); /** - * An FR or a DA IRQ has occurred. + * dvb_ca_en50221_frda_irq - An FR or a DA IRQ has occurred. * - * @param ca CA instance. - * @param slot Slot concerned. + * @ca: CA instance. + * @slot: Slot concerned. */ -void dvb_ca_en50221_frda_irq(struct dvb_ca_en50221* ca, int slot); - +void dvb_ca_en50221_frda_irq(struct dvb_ca_en50221 *ca, int slot); - -/* ******************************************************************************** */ -/* Initialisation/shutdown functions */ +/* + * Initialisation/shutdown functions + */ /** - * Initialise a new DVB CA device. + * dvb_ca_en50221_init - Initialise a new DVB CA device. * - * @param dvb_adapter DVB adapter to attach the new CA device to. - * @param ca The dvb_ca instance. - * @param flags Flags describing the CA device (DVB_CA_EN50221_FLAG_*). - * @param slot_count Number of slots supported. + * @dvb_adapter: DVB adapter to attach the new CA device to. + * @ca: The dvb_ca instance. + * @flags: Flags describing the CA device (DVB_CA_EN50221_FLAG_*). + * @slot_count: Number of slots supported. * * @return 0 on success, nonzero on failure */ -extern int dvb_ca_en50221_init(struct dvb_adapter *dvb_adapter, struct dvb_ca_en50221* ca, int flags, int slot_count); +extern int dvb_ca_en50221_init(struct dvb_adapter *dvb_adapter, + struct dvb_ca_en50221 *ca, int flags, + int slot_count); /** - * Release a DVB CA device. + * dvb_ca_en50221_release - Release a DVB CA device. * - * @param ca The associated dvb_ca instance. + * @ca: The associated dvb_ca instance. */ -extern void dvb_ca_en50221_release(struct dvb_ca_en50221* ca); - - +extern void dvb_ca_en50221_release(struct dvb_ca_en50221 *ca); #endif |