Merge branch 'omap-pool'

[linux-2.6-omap-h63xx.git] / drivers / staging / comedi / drivers / ni_labpc.h

diff --git a/drivers/staging/comedi/drivers/ni_labpc.h b/drivers/staging/comedi/drivers/ni_labpc.h
new file mode 100644 (file)
index 0000000..b44b0d3
--- /dev/null
+++ b/drivers/staging/comedi/drivers/ni_labpc.h
@@ -0,0 +1,85 @@
+/*
+    ni_labpc.h
+
+    Header for ni_labpc.c and ni_labpc_cs.c
+
+    Copyright (C) 2003 Frank Mori Hess <fmhess@users.sourceforge.net>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef _NI_LABPC_H
+#define _NI_LABPC_H
+
+#define EEPROM_SIZE    256     // 256 byte eeprom
+#define NUM_AO_CHAN    2       // boards have two analog output channels
+
+enum labpc_bustype { isa_bustype, pci_bustype, pcmcia_bustype };
+enum labpc_register_layout { labpc_plus_layout, labpc_1200_layout };
+enum transfer_type { fifo_not_empty_transfer, fifo_half_full_transfer,
+               isa_dma_transfer };
+
+typedef struct labpc_board_struct {
+       const char *name;
+       int device_id;          // device id for pci and pcmcia boards
+       int ai_speed;           // maximum input speed in nanoseconds
+       enum labpc_bustype bustype;     // ISA/PCI/etc.
+       enum labpc_register_layout register_layout;     // 1200 has extra registers compared to pc+
+       int has_ao;             // has analog output true/false
+       const struct comedi_lrange *ai_range_table;
+       const int *ai_range_code;
+       const int *ai_range_is_unipolar;
+       unsigned ai_scan_up:1;  // board can auto scan up in ai channels, not just down
+       unsigned memory_mapped_io:1;    /* uses memory mapped io instead of ioports */
+} labpc_board;
+
+typedef struct {
+       struct mite_struct *mite;       // for mite chip on pci-1200
+       volatile unsigned long long count;      /* number of data points left to be taken */
+       unsigned int ao_value[NUM_AO_CHAN];     // software copy of analog output values
+       // software copys of bits written to command registers
+       volatile unsigned int command1_bits;
+       volatile unsigned int command2_bits;
+       volatile unsigned int command3_bits;
+       volatile unsigned int command4_bits;
+       volatile unsigned int command5_bits;
+       volatile unsigned int command6_bits;
+       // store last read of board status registers
+       volatile unsigned int status1_bits;
+       volatile unsigned int status2_bits;
+       unsigned int divisor_a0;        /* value to load into board's counter a0 (conversion pacing) for timed conversions */
+       unsigned int divisor_b0;        /* value to load into board's counter b0 (master) for timed conversions */
+       unsigned int divisor_b1;        /* value to load into board's counter b1 (scan pacing) for timed conversions */
+       unsigned int dma_chan;  // dma channel to use
+       u16 *dma_buffer;        // buffer ai will dma into
+       unsigned int dma_transfer_size; // transfer size in bytes for current transfer
+       enum transfer_type current_transfer;    // we are using dma/fifo-half-full/etc.
+       unsigned int eeprom_data[EEPROM_SIZE];  // stores contents of board's eeprom
+       unsigned int caldac[16];        // stores settings of calibration dacs
+       // function pointers so we can use inb/outb or readb/writeb as appropriate
+       unsigned int (*read_byte) (unsigned long address);
+       void (*write_byte) (unsigned int byte, unsigned long address);
+} labpc_private;
+
+int labpc_common_attach(struct comedi_device * dev, unsigned long iobase,
+       unsigned int irq, unsigned int dma);
+int labpc_common_detach(struct comedi_device * dev);
+
+extern const int labpc_1200_is_unipolar[];
+extern const int labpc_1200_ai_gain_bits[];
+extern const struct comedi_lrange range_labpc_1200_ai;
+
+#endif /* _NI_LABPC_H */