2010-01-11 Allan Hessenflow <allanh@kallisti.com>

	* serial/spi.c, serial/spi.h:
	Fill in skeleton with functional SPI master code.
	* include/spiRegs.h:
	Correct spi shadow register declaration.

1 files changed, 23 insertions, 20 deletions

diff --git a/c/src/lib/libcpu/bfin/serial/spi.h b/c/src/lib/libcpu/bfin/serial/spi.h
index a656f44c29..63609a3ccb 100644
--- a/c/src/lib/libcpu/bfin/serial/spi.h
+++ b/c/src/lib/libcpu/bfin/serial/spi.h
@@ -1,9 +1,7 @@
-/* placeholder (just a shell) */
-
 /*
  *  RTEMS driver for Blackfin SPI
  *
- *  COPYRIGHT (c) 2008 Kallisti Labs, Los Gatos, CA, USA
+ *  COPYRIGHT (c) 2010 Kallisti Labs, Los Gatos, CA, USA
  *            written by Allan Hessenflow <allanh@kallisti.com>
  *
  *  The license and distribution terms for this file may be
@@ -13,40 +11,45 @@
  *  $Id$
  */
 
-
-#ifndef _spi_h_
-#define _spi_h_
-
+#ifndef _spi_h
+#define _spi_h
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-
 typedef struct {
-  /* parameters provided by bsp */
-  uint32_t freq;
-  void    *base;
-  bool     fast;
-  /* internal use */
-  rtems_id irq_sema_id;
-} bfin_spi_softc_t;
+  void *base;
+  /* remaining entries are for internal use */
+  rtems_id sem;
+  int bytes_per_word;
+  uint16_t idle_pattern;
+  uint8_t *rd_ptr;
+  const uint8_t *wr_ptr;
+  int len;
+} bfin_spi_state_t;
 
 typedef struct {
   rtems_libi2c_bus_t bus;
-  bfin_spi_softc_t softc;
-} bfin_spi_desc_t;
+  bfin_spi_state_t p;
+} bfin_spi_bus_t;
+
+
+void bfin_spi_isr(int v);
 
+rtems_status_code bfin_spi_init(rtems_libi2c_bus_t *bus);
 
-extern rtems_libi2c_bus_ops_t bfin_spi_libi2c_bus_ops;
+rtems_status_code bfin_spi_send_start(rtems_libi2c_bus_t *bus);
 
+int bfin_spi_read_bytes(rtems_libi2c_bus_t *bus, unsigned char *buf, int len);
 
-void bfin_spi_isr(int source);
+int bfin_spi_write_bytes(rtems_libi2c_bus_t *bus, unsigned char *buf, int len);
 
+int bfin_spi_ioctl(rtems_libi2c_bus_t *bus, int cmd, void *arg);
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* _spi_h_ */
 
+#endif /* _spi_h */