1) Move the enum's to a better location and tidy up the whitespace.
2) Tidy up the defines used for some array sizes in the private data.
3) Add comments for the spinlock_t variables in the private data.
4) Move the forward declaration to the end of the file.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/ni_stc.h | 81 +++++++++++++++++++--------------
1 file changed, 47 insertions(+), 34 deletions(-)
diff --git a/drivers/staging/comedi/drivers/ni_stc.h b/drivers/staging/comedi/drivers/ni_stc.h
index 7988781..1d5af25 100644
--- a/drivers/staging/comedi/drivers/ni_stc.h
+++ b/drivers/staging/comedi/drivers/ni_stc.h
@@ -26,8 +26,6 @@
#include "ni_tio.h"
-#define NUM_PFI_OUTPUT_SELECT_REGS 6
-
/*
* Registers in the National Instruments DAQ-STC chip
*/
@@ -714,34 +712,6 @@
#define CS5529_CFG_CALIB_GAIN_SYS CS5529_CFG_CALIB(6)
/*
- This is stuff unique to the NI E series drivers,
- but I thought I'd put it here anyway.
-*/
-
-enum { ai_gain_16 =
- 0, ai_gain_8, ai_gain_14, ai_gain_4, ai_gain_611x, ai_gain_622x,
- ai_gain_628x, ai_gain_6143
-};
-enum caldac_enum { caldac_none = 0, mb88341, dac8800, dac8043, ad8522,
- ad8804, ad8842, ad8804_debug
-};
-enum ni_reg_type {
- ni_reg_normal = 0x0,
- ni_reg_611x = 0x1,
- ni_reg_6711 = 0x2,
- ni_reg_6713 = 0x4,
- ni_reg_67xx_mask = 0x6,
- ni_reg_6xxx_mask = 0x7,
- ni_reg_622x = 0x8,
- ni_reg_625x = 0x10,
- ni_reg_628x = 0x18,
- ni_reg_m_series_mask = 0x18,
- ni_reg_6143 = 0x20
-};
-
-static const struct comedi_lrange range_ni_E_ao_ext;
-
-/*
* M-Series specific registers not handled by the DAQ-STC and GPCT register
* remapping.
*/
@@ -935,7 +905,41 @@ static const struct comedi_lrange range_ni_E_ao_ext;
#define NI_M_AO_REF_ATTENUATION_REG(x) (0x264 + (x))
#define NI_M_AO_REF_ATTENUATION_X5 BIT(0)
-#define M_SERIES_EEPROM_SIZE 1024
+enum {
+ ai_gain_16 = 0,
+ ai_gain_8,
+ ai_gain_14,
+ ai_gain_4,
+ ai_gain_611x,
+ ai_gain_622x,
+ ai_gain_628x,
+ ai_gain_6143
+};
+
+enum caldac_enum {
+ caldac_none = 0,
+ mb88341,
+ dac8800,
+ dac8043,
+ ad8522,
+ ad8804,
+ ad8842,
+ ad8804_debug
+};
+
+enum ni_reg_type {
+ ni_reg_normal = 0x0,
+ ni_reg_611x = 0x1,
+ ni_reg_6711 = 0x2,
+ ni_reg_6713 = 0x4,
+ ni_reg_67xx_mask = 0x6,
+ ni_reg_6xxx_mask = 0x7,
+ ni_reg_622x = 0x8,
+ ni_reg_625x = 0x10,
+ ni_reg_628x = 0x18,
+ ni_reg_m_series_mask = 0x18,
+ ni_reg_6143 = 0x20
+};
struct ni_board_struct {
const char *name;
@@ -963,9 +967,13 @@ struct ni_board_struct {
enum caldac_enum caldac[3];
};
-#define MAX_N_CALDACS 34
-#define MAX_N_AO_CHAN 8
-#define NUM_GPCT 2
+#define MAX_N_CALDACS 34
+#define MAX_N_AO_CHAN 8
+#define NUM_GPCT 2
+
+#define NUM_PFI_OUTPUT_SELECT_REGS 6
+
+#define M_SERIES_EEPROM_SIZE 1024
struct ni_private {
unsigned short dio_output;
@@ -973,8 +981,11 @@ struct ni_private {
int aimode;
unsigned int ai_calib_source;
unsigned int ai_calib_source_enabled;
+ /* protects access to windowed registers */
spinlock_t window_lock;
+ /* protects interrupt/dma register access */
spinlock_t soft_reg_copy_lock;
+ /* protects mite DMA channel request/release */
spinlock_t mite_channel_lock;
int changain_state;
@@ -1046,4 +1057,6 @@ struct ni_private {
unsigned int is_6713:1;
};
+static const struct comedi_lrange range_ni_E_ao_ext;
+
#endif /* _COMEDI_NI_STC_H */
--
2.3.0
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