Spican1 support added

[lincan.git] / lincan / include / omap2_spican.h

diff --git a/lincan/include/omap2_spican.h b/lincan/include/omap2_spican.h
new file mode 100644 (file)
index 0000000..c165a28
--- /dev/null
+++ b/lincan/include/omap2_spican.h
@@ -0,0 +1,57 @@
+/* spican.h
+ * Header file for the Linux CAN-bus driver - LinCAN.
+ * Written by Arnaud Westenberg email:arnaud@wanadoo.nl
+ * Rewritten for new CAN queues by Pavel Pisa - OCERA team member
+ * email:pisa@cmp.felk.cvut.cz
+ * Adapted for spican by Jan Kriz
+ * email:devel@jojen.net
+ * This software is released under the GPL-License.
+ * Version lincan-0.3.4-r1  20 Aug 2010
+ */
+
+#define OMAP2_SPICAN_NCHIPS 1 // Since the device is initiated from SPI, it's applies to 1 chip (and 1 irq) at a time
+
+int spican_request_io(struct candevice_t *candev);
+int spican_release_io(struct candevice_t *candev);
+int spican_reset(struct candevice_t *candev); 
+int spican_init_hw_data(struct candevice_t *candev);
+int spican_init_chip_data(struct candevice_t *candev, int chipnr);
+int spican_init_obj_data(struct canchip_t *chip, int objnr);
+void spican_write_register(unsigned data, can_ioptr_t address);
+unsigned spican_read_register(can_ioptr_t address);
+int spican_program_irq(struct candevice_t *candev);
+
+#define OMAP2_SPICAN_TRIG_IRQ  (1<<0)
+#define OMAP2_SPICAN_TRIG_GPT  (1<<1)
+#define OMAP2_SPICAN_TRIG_SYS  (1<<2)
+
+#define OMAP2_SPICAN_MCP_CLK (20000000)
+#define OMAP2_SPICAN_BAUDRATE (1000000)
+
+#define OMAP2_SPICAN_CS_CHANGE (1)
+#define OMAP2_SPICAN_DELAY_USECS (0)
+#define OMAP2_SPICAN_SPEED_HZ (10000000)
+
+struct omap2_spican_platform_data {
+       uint32_t mcp2515_clk; /* Clock frequency of MCP2515 */
+       uint32_t baudrate; /* Requested can communication speed */
+       
+       unsigned cs_change; /* Cycle ~CS between transmissions? */
+       u16 delay_usecs; /* Time gap between transmissions */
+       u32 speed_hz; /* Speed of SPI communication */
+
+       const char *chiptype;
+       
+       /* Following options are set at runtime */
+       struct spi_device *spi; /* SPI device */
+       u8      trigger;
+       u32 irq;
+#ifdef CONFIG_OMAP_DM_TIMER    
+       struct omap_dm_timer *timer_ptr; // timer object
+       int32_t timer_irq; // the IRQ # for our gp timer
+#endif /* CONFIG_OMAP_DM_TIMER */
+       spinlock_t spi_lock;
+};
+
+int omap2_spican_init(void);
+void omap2_spican_exit(void);