asm/octeon/cvmx-spi.h

30  * This file contains defines for the SPI interface
49 	int (*reset_cb) (int interface, cvmx_spi_mode_t mode);
52 	int (*calendar_setup_cb) (int interface, cvmx_spi_mode_t mode,
56 	int (*clock_detect_cb) (int interface, cvmx_spi_mode_t mode,
60 	int (*training_cb) (int interface, cvmx_spi_mode_t mode, int timeout);
63 	int (*calendar_sync_cb) (int interface, cvmx_spi_mode_t mode,
66     /** Called when interface is up */
67 	int (*interface_up_cb) (int interface, cvmx_spi_mode_t mode);
72  * Return true if the supplied interface is configured for SPI
74  * @interface: Interface to check
75  * Returns True if interface is SPI
77 static inline int cvmx_spi_is_spi_interface(int interface)
79 	uint64_t gmxState = cvmx_read_csr(CVMX_GMXX_INF_MODE(interface));
84  * Initialize and start the SPI interface.
86  * @interface: The identifier of the packet interface to configure and
87  *		    use as a SPI interface.
88  * @mode:      The operating mode for the SPI interface. The interface
97 extern int cvmx_spi_start_interface(int interface, cvmx_spi_mode_t mode,
101  * This routine restarts the SPI interface after it has lost synchronization
104  * @interface: The identifier of the packet interface to configure and
105  *		    use as a SPI interface.
106  * @mode:      The operating mode for the SPI interface. The interface
113 extern int cvmx_spi_restart_interface(int interface, cvmx_spi_mode_t mode,
117  * Return non-zero if the SPI interface has a SPI4000 attached
119  * @interface: SPI interface the SPI4000 is connected to
123 static inline int cvmx_spi4000_is_present(int interface)
131  * @interface: SPI interface the SPI4000 is connected to
133 static inline int cvmx_spi4000_initialize(int interface)
141  * @interface: Interface the SPI4000 is on
146 	int interface,
173  * @interface: The identifier of the packet interface to configure and
174  *		    use as a SPI interface.
175  * @mode:      The operating mode for the SPI interface. The interface
183 extern int cvmx_spi_reset_cb(int interface, cvmx_spi_mode_t mode);
189  * @interface: The identifier of the packet interface to configure and
190  *		    use as a SPI interface.
191  * @mode:      The operating mode for the SPI interface. The interface
200 extern int cvmx_spi_calendar_setup_cb(int interface, cvmx_spi_mode_t mode,
206  * @interface: The identifier of the packet interface to configure and
207  *		    use as a SPI interface.
208  * @mode:      The operating mode for the SPI interface. The interface
217 extern int cvmx_spi_clock_detect_cb(int interface, cvmx_spi_mode_t mode,
223  * @interface: The identifier of the packet interface to configure and
224  *		    use as a SPI interface.
225  * @mode:      The operating mode for the SPI interface. The interface
234 extern int cvmx_spi_training_cb(int interface, cvmx_spi_mode_t mode,
240  * @interface: The identifier of the packet interface to configure and
241  *		    use as a SPI interface.
242  * @mode:      The operating mode for the SPI interface. The interface
251 extern int cvmx_spi_calendar_sync_cb(int interface, cvmx_spi_mode_t mode,
255  * Callback to handle interface up
257  * @interface: The identifier of the packet interface to configure and
258  *		    use as a SPI interface.
259  * @mode:      The operating mode for the SPI interface. The interface
267 extern int cvmx_spi_interface_up_cb(int interface, cvmx_spi_mode_t mode);