asm/octeon/cvmx-spi.h

7  * Copyright (c) 2003-2008 Cavium Networks
14  * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
30  * This file contains defines for the SPI interface
35 #include <asm/octeon/cvmx-gmxx-defs.h>
37 /* CSR typedefs have been moved to cvmx-csr-*.h */
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,
67 	int (*interface_up_cb) (int interface, cvmx_spi_mode_t mode);
72  * Return true if the supplied interface is configured for SPI
75  * Returns True if interface is SPI
84  * Initialize and start the SPI interface.
87  *		    use as a SPI interface.
88  * @mode:      The operating mode for the SPI interface. The interface
93  * @num_ports: Number of SPI ports to configure
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
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
131  * @interface: SPI interface the SPI4000 is connected to
142  * @port:      Port to poll (0-9)
174  *		    use as a SPI interface.
175  * @mode:      The operating mode for the SPI interface. The interface
180  * Returns Zero on success, non-zero error code on failure (will cause
181  * SPI initialization to abort)
183 extern int cvmx_spi_reset_cb(int interface, cvmx_spi_mode_t mode);
190  *		    use as a SPI interface.
191  * @mode:      The operating mode for the SPI interface. The interface
195  * @num_ports: Number of ports to configure on SPI
197  * Returns Zero on success, non-zero error code on failure (will cause
198  * SPI initialization to abort)
200 extern int cvmx_spi_calendar_setup_cb(int interface, cvmx_spi_mode_t mode,
207  *		    use as a SPI interface.
208  * @mode:      The operating mode for the SPI interface. The interface
214  * Returns Zero on success, non-zero error code on failure (will cause
215  * SPI initialization to abort)
217 extern int cvmx_spi_clock_detect_cb(int interface, cvmx_spi_mode_t mode,
224  *		    use as a SPI interface.
225  * @mode:      The operating mode for the SPI interface. The interface
231  * Returns Zero on success, non-zero error code on failure (will cause
232  * SPI initialization to abort)
234 extern int cvmx_spi_training_cb(int interface, cvmx_spi_mode_t mode,
241  *		    use as a SPI interface.
242  * @mode:      The operating mode for the SPI interface. The interface
248  * Returns Zero on success, non-zero error code on failure (will cause
249  * SPI initialization to abort)
251 extern int cvmx_spi_calendar_sync_cb(int interface, cvmx_spi_mode_t mode,
258  *		    use as a SPI interface.
259  * @mode:      The operating mode for the SPI interface. The interface
264  * Returns Zero on success, non-zero error code on failure (will cause
265  * SPI initialization to abort)
267 extern int cvmx_spi_interface_up_cb(int interface, cvmx_spi_mode_t mode);