5=A/D input range is +/-0.3125V
[5] - 0=D/A outputs 0-5V (internal reference -5V)
1=D/A outputs 0-10V (internal reference -10V)
- 2=D/A outputs unknow (external reference)
+ 2=D/A outputs unknown (external reference)
Options for PCL-812PG, ACL-8112PG:
[0] - IO Base
1=A/D have max +/-10V input
[5] - 0=D/A outputs 0-5V (internal reference -5V)
1=D/A outputs 0-10V (internal reference -10V)
- 2=D/A outputs unknow (external reference)
+ 2=D/A outputs unknown (external reference)
Options for ACL-8112DG/HG, A-822PGL/PGH, A-823PGL/PGH, ACL-8216, A-826PG:
[0] - IO Base
1=A/D channels are DIFF
[5] - 0=D/A outputs 0-5V (internal reference -5V)
1=D/A outputs 0-10V (internal reference -10V)
- 2=D/A outputs unknow (external reference)
+ 2=D/A outputs unknown (external reference)
Options for A-821PGL/PGH:
[0] - IO Base
3= 20V unipolar inputs
*/
+#include <linux/interrupt.h>
#include "../comedidev.h"
#include <linux/delay.h>
#undef PCL812_EXTDEBUG /* if this is defined then a lot of messages is printed */
-// hardware types of the cards
+/* hardware types of the cards */
#define boardPCL812PG 0 /* and ACL-8112PG */
#define boardPCL813B 1
#define boardPCL812 2
#define MAX_CHANLIST_LEN 256 /* length of scan list */
-static const comedi_lrange range_pcl812pg_ai = { 5, {
- BIP_RANGE(5),
- BIP_RANGE(2.5),
- BIP_RANGE(1.25),
- BIP_RANGE(0.625),
- BIP_RANGE(0.3125),
- }
+static const struct comedi_lrange range_pcl812pg_ai = { 5, {
+ BIP_RANGE(5),
+ BIP_RANGE(2.5),
+ BIP_RANGE(1.25),
+ BIP_RANGE(0.625),
+ BIP_RANGE(0.3125),
+ }
};
-static const comedi_lrange range_pcl812pg2_ai = { 5, {
- BIP_RANGE(10),
- BIP_RANGE(5),
- BIP_RANGE(2.5),
- BIP_RANGE(1.25),
- BIP_RANGE(0.625),
- }
+
+static const struct comedi_lrange range_pcl812pg2_ai = { 5, {
+ BIP_RANGE(10),
+ BIP_RANGE(5),
+ BIP_RANGE(2.5),
+ BIP_RANGE(1.25),
+ BIP_RANGE(0.625),
+ }
};
-static const comedi_lrange range812_bipolar1_25 = { 1, {
- BIP_RANGE(1.25),
- }
+
+static const struct comedi_lrange range812_bipolar1_25 = { 1, {
+ BIP_RANGE(1.25),
+ }
};
-static const comedi_lrange range812_bipolar0_625 = { 1, {
- BIP_RANGE(0.625),
- }
+
+static const struct comedi_lrange range812_bipolar0_625 = { 1, {
+ BIP_RANGE
+ (0.625),
+ }
};
-static const comedi_lrange range812_bipolar0_3125 = { 1, {
- BIP_RANGE(0.3125),
- }
+
+static const struct comedi_lrange range812_bipolar0_3125 = { 1, {
+ BIP_RANGE
+ (0.3125),
+ }
};
-static const comedi_lrange range_pcl813b_ai = { 4, {
- BIP_RANGE(5),
- BIP_RANGE(2.5),
- BIP_RANGE(1.25),
- BIP_RANGE(0.625),
- }
+
+static const struct comedi_lrange range_pcl813b_ai = { 4, {
+ BIP_RANGE(5),
+ BIP_RANGE(2.5),
+ BIP_RANGE(1.25),
+ BIP_RANGE(0.625),
+ }
};
-static const comedi_lrange range_pcl813b2_ai = { 4, {
- UNI_RANGE(10),
- UNI_RANGE(5),
- UNI_RANGE(2.5),
- UNI_RANGE(1.25),
- }
+
+static const struct comedi_lrange range_pcl813b2_ai = { 4, {
+ UNI_RANGE(10),
+ UNI_RANGE(5),
+ UNI_RANGE(2.5),
+ UNI_RANGE(1.25),
+ }
};
-static const comedi_lrange range_iso813_1_ai = { 5, {
- BIP_RANGE(5),
- BIP_RANGE(2.5),
- BIP_RANGE(1.25),
- BIP_RANGE(0.625),
- BIP_RANGE(0.3125),
- }
+
+static const struct comedi_lrange range_iso813_1_ai = { 5, {
+ BIP_RANGE(5),
+ BIP_RANGE(2.5),
+ BIP_RANGE(1.25),
+ BIP_RANGE(0.625),
+ BIP_RANGE(0.3125),
+ }
};
-static const comedi_lrange range_iso813_1_2_ai = { 5, {
- UNI_RANGE(10),
- UNI_RANGE(5),
- UNI_RANGE(2.5),
- UNI_RANGE(1.25),
- UNI_RANGE(0.625),
- }
+
+static const struct comedi_lrange range_iso813_1_2_ai = { 5, {
+ UNI_RANGE(10),
+ UNI_RANGE(5),
+ UNI_RANGE(2.5),
+ UNI_RANGE(1.25),
+ UNI_RANGE(0.625),
+ }
};
-static const comedi_lrange range_iso813_2_ai = { 4, {
- BIP_RANGE(5),
- BIP_RANGE(2.5),
- BIP_RANGE(1.25),
- BIP_RANGE(0.625),
- }
+
+static const struct comedi_lrange range_iso813_2_ai = { 4, {
+ BIP_RANGE(5),
+ BIP_RANGE(2.5),
+ BIP_RANGE(1.25),
+ BIP_RANGE(0.625),
+ }
};
-static const comedi_lrange range_iso813_2_2_ai = { 4, {
- UNI_RANGE(10),
- UNI_RANGE(5),
- UNI_RANGE(2.5),
- UNI_RANGE(1.25),
- }
+
+static const struct comedi_lrange range_iso813_2_2_ai = { 4, {
+ UNI_RANGE(10),
+ UNI_RANGE(5),
+ UNI_RANGE(2.5),
+ UNI_RANGE(1.25),
+ }
};
-static const comedi_lrange range_acl8113_1_ai = { 4, {
- BIP_RANGE(5),
- BIP_RANGE(2.5),
- BIP_RANGE(1.25),
- BIP_RANGE(0.625),
- }
+
+static const struct comedi_lrange range_acl8113_1_ai = { 4, {
+ BIP_RANGE(5),
+ BIP_RANGE(2.5),
+ BIP_RANGE(1.25),
+ BIP_RANGE(0.625),
+ }
};
-static const comedi_lrange range_acl8113_1_2_ai = { 4, {
- UNI_RANGE(10),
- UNI_RANGE(5),
- UNI_RANGE(2.5),
- UNI_RANGE(1.25),
- }
+
+static const struct comedi_lrange range_acl8113_1_2_ai = { 4, {
+ UNI_RANGE(10),
+ UNI_RANGE(5),
+ UNI_RANGE(2.5),
+ UNI_RANGE(1.25),
+ }
};
-static const comedi_lrange range_acl8113_2_ai = { 3, {
- BIP_RANGE(5),
- BIP_RANGE(2.5),
- BIP_RANGE(1.25),
- }
+
+static const struct comedi_lrange range_acl8113_2_ai = { 3, {
+ BIP_RANGE(5),
+ BIP_RANGE(2.5),
+ BIP_RANGE(1.25),
+ }
};
-static const comedi_lrange range_acl8113_2_2_ai = { 3, {
- UNI_RANGE(10),
- UNI_RANGE(5),
- UNI_RANGE(2.5),
- }
+
+static const struct comedi_lrange range_acl8113_2_2_ai = { 3, {
+ UNI_RANGE(10),
+ UNI_RANGE(5),
+ UNI_RANGE(2.5),
+ }
};
-static const comedi_lrange range_acl8112dg_ai = { 9, {
- BIP_RANGE(5),
- BIP_RANGE(2.5),
- BIP_RANGE(1.25),
- BIP_RANGE(0.625),
- UNI_RANGE(10),
- UNI_RANGE(5),
- UNI_RANGE(2.5),
- UNI_RANGE(1.25),
- BIP_RANGE(10),
- }
+
+static const struct comedi_lrange range_acl8112dg_ai = { 9, {
+ BIP_RANGE(5),
+ BIP_RANGE(2.5),
+ BIP_RANGE(1.25),
+ BIP_RANGE(0.625),
+ UNI_RANGE(10),
+ UNI_RANGE(5),
+ UNI_RANGE(2.5),
+ UNI_RANGE(1.25),
+ BIP_RANGE(10),
+ }
};
-static const comedi_lrange range_acl8112hg_ai = { 12, {
- BIP_RANGE(5),
- BIP_RANGE(0.5),
- BIP_RANGE(0.05),
- BIP_RANGE(0.005),
- UNI_RANGE(10),
- UNI_RANGE(1),
- UNI_RANGE(0.1),
- UNI_RANGE(0.01),
- BIP_RANGE(10),
- BIP_RANGE(1),
- BIP_RANGE(0.1),
- BIP_RANGE(0.01),
- }
+
+static const struct comedi_lrange range_acl8112hg_ai = { 12, {
+ BIP_RANGE(5),
+ BIP_RANGE(0.5),
+ BIP_RANGE(0.05),
+ BIP_RANGE(0.005),
+ UNI_RANGE(10),
+ UNI_RANGE(1),
+ UNI_RANGE(0.1),
+ UNI_RANGE(0.01),
+ BIP_RANGE(10),
+ BIP_RANGE(1),
+ BIP_RANGE(0.1),
+ BIP_RANGE(0.01),
+ }
};
-static const comedi_lrange range_a821pgh_ai = { 4, {
- BIP_RANGE(5),
- BIP_RANGE(0.5),
- BIP_RANGE(0.05),
- BIP_RANGE(0.005),
- }
+
+static const struct comedi_lrange range_a821pgh_ai = { 4, {
+ BIP_RANGE(5),
+ BIP_RANGE(0.5),
+ BIP_RANGE(0.05),
+ BIP_RANGE(0.005),
+ }
};
-static int pcl812_attach(struct comedi_device * dev, comedi_devconfig * it);
-static int pcl812_detach(struct comedi_device * dev);
+static int pcl812_attach(struct comedi_device *dev,
+ struct comedi_devconfig *it);
+static int pcl812_detach(struct comedi_device *dev);
+
+struct pcl812_board {
-typedef struct {
- const char *name; // board name
- int board_type; // type of this board
- int n_aichan; // num of AI chans in S.E.
- int n_aichan_diff; // DIFF num of chans
- int n_aochan; // num of DA chans
- int n_dichan; // DI and DO chans
+ const char *name; /* board name */
+ int board_type; /* type of this board */
+ int n_aichan; /* num of AI chans in S.E. */
+ int n_aichan_diff; /* DIFF num of chans */
+ int n_aochan; /* num of DA chans */
+ int n_dichan; /* DI and DO chans */
int n_dochan;
- int ai_maxdata; // AI resolution
- unsigned int ai_ns_min; // max sample speed of card v ns
- unsigned int i8254_osc_base; // clock base
- const comedi_lrange *rangelist_ai; // rangelist for A/D
- const comedi_lrange *rangelist_ao; // rangelist for D/A
- unsigned int IRQbits; // allowed IRQ
- unsigned char DMAbits; // allowed DMA chans
- unsigned char io_range; // iorange for this board
- unsigned char haveMPC508; // 1=board use MPC508A multiplexor
-} boardtype;
-
-static const boardtype boardtypes[] = {
+ int ai_maxdata; /* AI resolution */
+ unsigned int ai_ns_min; /* max sample speed of card v ns */
+ unsigned int i8254_osc_base; /* clock base */
+ const struct comedi_lrange *rangelist_ai; /* rangelist for A/D */
+ const struct comedi_lrange *rangelist_ao; /* rangelist for D/A */
+ unsigned int IRQbits; /* allowed IRQ */
+ unsigned char DMAbits; /* allowed DMA chans */
+ unsigned char io_range; /* iorange for this board */
+ unsigned char haveMPC508; /* 1=board use MPC508A multiplexor */
+};
+
+static const struct pcl812_board boardtypes[] = {
{"pcl812", boardPCL812, 16, 0, 2, 16, 16, 0x0fff,
- 33000, 500, &range_bipolar10, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
+ 33000, 500, &range_bipolar10, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
{"pcl812pg", boardPCL812PG, 16, 0, 2, 16, 16, 0x0fff,
- 33000, 500, &range_pcl812pg_ai, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
+ 33000, 500, &range_pcl812pg_ai, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
{"acl8112pg", boardPCL812PG, 16, 0, 2, 16, 16, 0x0fff,
- 10000, 500, &range_pcl812pg_ai, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
+ 10000, 500, &range_pcl812pg_ai, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
{"acl8112dg", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
- 10000, 500, &range_acl8112dg_ai, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 1},
+ 10000, 500, &range_acl8112dg_ai, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 1},
{"acl8112hg", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
- 10000, 500, &range_acl8112hg_ai, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 1},
+ 10000, 500, &range_acl8112hg_ai, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 1},
{"a821pgl", boardA821, 16, 8, 1, 16, 16, 0x0fff,
- 10000, 500, &range_pcl813b_ai, &range_unipolar5,
- 0x000c, 0x00, PCLx1x_IORANGE, 0},
+ 10000, 500, &range_pcl813b_ai, &range_unipolar5,
+ 0x000c, 0x00, PCLx1x_IORANGE, 0},
{"a821pglnda", boardA821, 16, 8, 0, 0, 0, 0x0fff,
- 10000, 500, &range_pcl813b_ai, NULL,
- 0x000c, 0x00, PCLx1x_IORANGE, 0},
+ 10000, 500, &range_pcl813b_ai, NULL,
+ 0x000c, 0x00, PCLx1x_IORANGE, 0},
{"a821pgh", boardA821, 16, 8, 1, 16, 16, 0x0fff,
- 10000, 500, &range_a821pgh_ai, &range_unipolar5,
- 0x000c, 0x00, PCLx1x_IORANGE, 0},
+ 10000, 500, &range_a821pgh_ai, &range_unipolar5,
+ 0x000c, 0x00, PCLx1x_IORANGE, 0},
{"a822pgl", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
- 10000, 500, &range_acl8112dg_ai, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
+ 10000, 500, &range_acl8112dg_ai, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
{"a822pgh", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
- 10000, 500, &range_acl8112hg_ai, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
+ 10000, 500, &range_acl8112hg_ai, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
{"a823pgl", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
- 8000, 500, &range_acl8112dg_ai, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
+ 8000, 500, &range_acl8112dg_ai, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
{"a823pgh", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
- 8000, 500, &range_acl8112hg_ai, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
+ 8000, 500, &range_acl8112hg_ai, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
{"pcl813", boardPCL813, 32, 0, 0, 0, 0, 0x0fff,
- 0, 0, &range_pcl813b_ai, NULL,
- 0x0000, 0x00, PCLx1x_IORANGE, 0},
+ 0, 0, &range_pcl813b_ai, NULL,
+ 0x0000, 0x00, PCLx1x_IORANGE, 0},
{"pcl813b", boardPCL813B, 32, 0, 0, 0, 0, 0x0fff,
- 0, 0, &range_pcl813b_ai, NULL,
- 0x0000, 0x00, PCLx1x_IORANGE, 0},
+ 0, 0, &range_pcl813b_ai, NULL,
+ 0x0000, 0x00, PCLx1x_IORANGE, 0},
{"acl8113", boardACL8113, 32, 0, 0, 0, 0, 0x0fff,
- 0, 0, &range_acl8113_1_ai, NULL,
- 0x0000, 0x00, PCLx1x_IORANGE, 0},
+ 0, 0, &range_acl8113_1_ai, NULL,
+ 0x0000, 0x00, PCLx1x_IORANGE, 0},
{"iso813", boardISO813, 32, 0, 0, 0, 0, 0x0fff,
- 0, 0, &range_iso813_1_ai, NULL,
- 0x0000, 0x00, PCLx1x_IORANGE, 0},
+ 0, 0, &range_iso813_1_ai, NULL,
+ 0x0000, 0x00, PCLx1x_IORANGE, 0},
{"acl8216", boardACL8216, 16, 8, 2, 16, 16, 0xffff,
- 10000, 500, &range_pcl813b2_ai, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 1},
+ 10000, 500, &range_pcl813b2_ai, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 1},
{"a826pg", boardACL8216, 16, 8, 2, 16, 16, 0xffff,
- 10000, 500, &range_pcl813b2_ai, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
+ 10000, 500, &range_pcl813b2_ai, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
};
-#define n_boardtypes (sizeof(boardtypes)/sizeof(boardtype))
-#define this_board ((const boardtype *)dev->board_ptr)
+#define n_boardtypes (sizeof(boardtypes)/sizeof(struct pcl812_board))
+#define this_board ((const struct pcl812_board *)dev->board_ptr)
static struct comedi_driver driver_pcl812 = {
- driver_name:"pcl812",
- module:THIS_MODULE,
- attach:pcl812_attach,
- detach:pcl812_detach,
- board_name:&boardtypes[0].name,
- num_names:n_boardtypes,
- offset:sizeof(boardtype),
+ .driver_name = "pcl812",
+ .module = THIS_MODULE,
+ .attach = pcl812_attach,
+ .detach = pcl812_detach,
+ .board_name = &boardtypes[0].name,
+ .num_names = n_boardtypes,
+ .offset = sizeof(struct pcl812_board),
};
COMEDI_INITCLEANUP(driver_pcl812);
-typedef struct {
- unsigned char valid; // =1 device is OK
- unsigned char dma; // >0 use dma ( usedDMA channel)
- unsigned char use_diff; // =1 diff inputs
- unsigned char use_MPC; // 1=board uses MPC508A multiplexor
- unsigned char use_ext_trg; // 1=board uses external trigger
- unsigned char range_correction; // =1 we must add 1 to range number
- unsigned char old_chan_reg; // lastly used chan/gain pair
+struct pcl812_private {
+
+ unsigned char valid; /* =1 device is OK */
+ unsigned char dma; /* >0 use dma ( usedDMA channel) */
+ unsigned char use_diff; /* =1 diff inputs */
+ unsigned char use_MPC; /* 1=board uses MPC508A multiplexor */
+ unsigned char use_ext_trg; /* 1=board uses external trigger */
+ unsigned char range_correction; /* =1 we must add 1 to range number */
+ unsigned char old_chan_reg; /* lastly used chan/gain pair */
unsigned char old_gain_reg;
- unsigned char mode_reg_int; // there is stored INT number for some card
- unsigned char ai_neverending; // =1 we do unlimited AI
- unsigned char ai_eos; // 1=EOS wake up
- unsigned char ai_dma; // =1 we use DMA
- unsigned int ai_poll_ptr; // how many sampes transfer poll
- unsigned int ai_scans; // len of scanlist
- unsigned int ai_act_scan; // how many scans we finished
- unsigned int ai_chanlist[MAX_CHANLIST_LEN]; // our copy of channel/range list
- unsigned int ai_n_chan; // how many channels is measured
- unsigned int ai_flags; // flaglist
- unsigned int ai_data_len; // len of data buffer
- short *ai_data; // data buffer
- unsigned int ai_is16b; // =1 we have 16 bit card
- unsigned long dmabuf[2]; // PTR to DMA buf
- unsigned int dmapages[2]; // how many pages we have allocated
- unsigned int hwdmaptr[2]; // HW PTR to DMA buf
- unsigned int hwdmasize[2]; // DMA buf size in bytes
- unsigned int dmabytestomove[2]; // how many bytes DMA transfer
- int next_dma_buf; // which buffer is next to use
- unsigned int dma_runs_to_end; // how many times we must switch DMA buffers
- unsigned int last_dma_run; // how many bytes to transfer on last DMA buffer
- unsigned int max_812_ai_mode0_rangewait; // setling time for gain
- unsigned int ao_readback[2]; // data for AO readback
-} pcl812_private;
-
-#define devpriv ((pcl812_private *)dev->private)
+ unsigned char mode_reg_int; /* there is stored INT number for some card */
+ unsigned char ai_neverending; /* =1 we do unlimited AI */
+ unsigned char ai_eos; /* 1=EOS wake up */
+ unsigned char ai_dma; /* =1 we use DMA */
+ unsigned int ai_poll_ptr; /* how many sampes transfer poll */
+ unsigned int ai_scans; /* len of scanlist */
+ unsigned int ai_act_scan; /* how many scans we finished */
+ unsigned int ai_chanlist[MAX_CHANLIST_LEN]; /* our copy of channel/range list */
+ unsigned int ai_n_chan; /* how many channels is measured */
+ unsigned int ai_flags; /* flaglist */
+ unsigned int ai_data_len; /* len of data buffer */
+ short *ai_data; /* data buffer */
+ unsigned int ai_is16b; /* =1 we have 16 bit card */
+ unsigned long dmabuf[2]; /* PTR to DMA buf */
+ unsigned int dmapages[2]; /* how many pages we have allocated */
+ unsigned int hwdmaptr[2]; /* HW PTR to DMA buf */
+ unsigned int hwdmasize[2]; /* DMA buf size in bytes */
+ unsigned int dmabytestomove[2]; /* how many bytes DMA transfer */
+ int next_dma_buf; /* which buffer is next to use */
+ unsigned int dma_runs_to_end; /* how many times we must switch DMA buffers */
+ unsigned int last_dma_run; /* how many bytes to transfer on last DMA buffer */
+ unsigned int max_812_ai_mode0_rangewait; /* setling time for gain */
+ unsigned int ao_readback[2]; /* data for AO readback */
+};
+
+#define devpriv ((struct pcl812_private *)dev->private)
/*
==============================================================================
*/
-static void start_pacer(struct comedi_device * dev, int mode, unsigned int divisor1,
- unsigned int divisor2);
-static void setup_range_channel(struct comedi_device * dev, struct comedi_subdevice * s,
- unsigned int rangechan, char wait);
-static int pcl812_ai_cancel(struct comedi_device * dev, struct comedi_subdevice * s);
+static void start_pacer(struct comedi_device *dev, int mode,
+ unsigned int divisor1, unsigned int divisor2);
+static void setup_range_channel(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ unsigned int rangechan, char wait);
+static int pcl812_ai_cancel(struct comedi_device *dev,
+ struct comedi_subdevice *s);
/*
==============================================================================
*/
-static int pcl812_ai_insn_read(struct comedi_device * dev, struct comedi_subdevice * s,
- comedi_insn * insn, unsigned int * data)
+static int pcl812_ai_insn_read(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
int n;
int timeout, hi;
outb(devpriv->mode_reg_int | 1, dev->iobase + PCL812_MODE); /* select software trigger */
- setup_range_channel(dev, s, insn->chanspec, 1); // select channel and renge
+ setup_range_channel(dev, s, insn->chanspec, 1); /* select channel and renge */
for (n = 0; n < insn->n; n++) {
outb(255, dev->iobase + PCL812_SOFTTRIG); /* start conversion */
- comedi_udelay(5);
+ udelay(5);
timeout = 50; /* wait max 50us, it must finish under 33us */
while (timeout--) {
hi = inb(dev->iobase + PCL812_AD_HI);
if (!(hi & PCL812_DRDY))
goto conv_finish;
- comedi_udelay(1);
+ udelay(1);
}
- rt_printk
- ("comedi%d: pcl812: (%s at 0x%lx) A/D insn read timeout\n",
- dev->minor, dev->board_name, dev->iobase);
+ printk
+ ("comedi%d: pcl812: (%s at 0x%lx) A/D insn read timeout\n",
+ dev->minor, dev->board_name, dev->iobase);
outb(devpriv->mode_reg_int | 0, dev->iobase + PCL812_MODE);
return -ETIME;
- conv_finish:
+conv_finish:
data[n] = ((hi & 0xf) << 8) | inb(dev->iobase + PCL812_AD_LO);
}
outb(devpriv->mode_reg_int | 0, dev->iobase + PCL812_MODE);
/*
==============================================================================
*/
-static int acl8216_ai_insn_read(struct comedi_device * dev, struct comedi_subdevice * s,
- comedi_insn * insn, unsigned int * data)
+static int acl8216_ai_insn_read(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
int n;
int timeout;
outb(1, dev->iobase + PCL812_MODE); /* select software trigger */
- setup_range_channel(dev, s, insn->chanspec, 1); // select channel and renge
+ setup_range_channel(dev, s, insn->chanspec, 1); /* select channel and renge */
for (n = 0; n < insn->n; n++) {
outb(255, dev->iobase + PCL812_SOFTTRIG); /* start conversion */
- comedi_udelay(5);
+ udelay(5);
timeout = 50; /* wait max 50us, it must finish under 33us */
while (timeout--) {
if (!(inb(dev->iobase + ACL8216_STATUS) & ACL8216_DRDY))
goto conv_finish;
- comedi_udelay(1);
+ udelay(1);
}
- rt_printk
- ("comedi%d: pcl812: (%s at 0x%lx) A/D insn read timeout\n",
- dev->minor, dev->board_name, dev->iobase);
+ printk
+ ("comedi%d: pcl812: (%s at 0x%lx) A/D insn read timeout\n",
+ dev->minor, dev->board_name, dev->iobase);
outb(0, dev->iobase + PCL812_MODE);
return -ETIME;
- conv_finish:
+conv_finish:
data[n] =
- (inb(dev->iobase +
- PCL812_AD_HI) << 8) | inb(dev->iobase +
- PCL812_AD_LO);
+ (inb(dev->iobase +
+ PCL812_AD_HI) << 8) | inb(dev->iobase + PCL812_AD_LO);
}
outb(0, dev->iobase + PCL812_MODE);
return n;
/*
==============================================================================
*/
-static int pcl812_ao_insn_write(struct comedi_device * dev, struct comedi_subdevice * s,
- comedi_insn * insn, unsigned int * data)
+static int pcl812_ao_insn_write(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
int chan = CR_CHAN(insn->chanspec);
int i;
for (i = 0; i < insn->n; i++) {
outb((data[i] & 0xff),
- dev->iobase + (chan ? PCL812_DA2_LO : PCL812_DA1_LO));
+ dev->iobase + (chan ? PCL812_DA2_LO : PCL812_DA1_LO));
outb((data[i] >> 8) & 0x0f,
- dev->iobase + (chan ? PCL812_DA2_HI : PCL812_DA1_HI));
+ dev->iobase + (chan ? PCL812_DA2_HI : PCL812_DA1_HI));
devpriv->ao_readback[chan] = data[i];
}
/*
==============================================================================
*/
-static int pcl812_ao_insn_read(struct comedi_device * dev, struct comedi_subdevice * s,
- comedi_insn * insn, unsigned int * data)
+static int pcl812_ao_insn_read(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
int chan = CR_CHAN(insn->chanspec);
int i;
/*
==============================================================================
*/
-static int pcl812_di_insn_bits(struct comedi_device * dev, struct comedi_subdevice * s,
- comedi_insn * insn, unsigned int * data)
+static int pcl812_di_insn_bits(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
if (insn->n != 2)
return -EINVAL;
/*
==============================================================================
*/
-static int pcl812_do_insn_bits(struct comedi_device * dev, struct comedi_subdevice * s,
- comedi_insn * insn, unsigned int * data)
+static int pcl812_do_insn_bits(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
if (insn->n != 2)
return -EINVAL;
/*
==============================================================================
*/
-static void pcl812_cmdtest_out(int e, comedi_cmd * cmd)
+static void pcl812_cmdtest_out(int e, struct comedi_cmd *cmd)
{
- rt_printk("pcl812 e=%d startsrc=%x scansrc=%x convsrc=%x\n", e,
- cmd->start_src, cmd->scan_begin_src, cmd->convert_src);
- rt_printk("pcl812 e=%d startarg=%d scanarg=%d convarg=%d\n", e,
- cmd->start_arg, cmd->scan_begin_arg, cmd->convert_arg);
- rt_printk("pcl812 e=%d stopsrc=%x scanend=%x\n", e, cmd->stop_src,
- cmd->scan_end_src);
- rt_printk("pcl812 e=%d stoparg=%d scanendarg=%d chanlistlen=%d\n", e,
- cmd->stop_arg, cmd->scan_end_arg, cmd->chanlist_len);
+ printk("pcl812 e=%d startsrc=%x scansrc=%x convsrc=%x\n", e,
+ cmd->start_src, cmd->scan_begin_src, cmd->convert_src);
+ printk("pcl812 e=%d startarg=%d scanarg=%d convarg=%d\n", e,
+ cmd->start_arg, cmd->scan_begin_arg, cmd->convert_arg);
+ printk("pcl812 e=%d stopsrc=%x scanend=%x\n", e, cmd->stop_src,
+ cmd->scan_end_src);
+ printk("pcl812 e=%d stoparg=%d scanendarg=%d chanlistlen=%d\n", e,
+ cmd->stop_arg, cmd->scan_end_arg, cmd->chanlist_len);
}
#endif
/*
==============================================================================
*/
-static int pcl812_ai_cmdtest(struct comedi_device * dev, struct comedi_subdevice * s,
- comedi_cmd * cmd)
+static int pcl812_ai_cmdtest(struct comedi_device *dev,
+ struct comedi_subdevice *s, struct comedi_cmd *cmd)
{
int err = 0;
int tmp, divisor1, divisor2;
#ifdef PCL812_EXTDEBUG
- rt_printk("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...)\n");
+ printk("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...)\n");
pcl812_cmdtest_out(-1, cmd);
#endif
/* step 1: make sure trigger sources are trivially valid */
if (err) {
#ifdef PCL812_EXTDEBUG
pcl812_cmdtest_out(1, cmd);
- rt_printk
- ("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...) err=%d ret=1\n",
- err);
+ printk
+ ("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...) err=%d ret=1\n",
+ err);
#endif
return 1;
}
if (err) {
#ifdef PCL812_EXTDEBUG
pcl812_cmdtest_out(2, cmd);
- rt_printk
- ("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...) err=%d ret=2\n",
- err);
+ printk
+ ("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...) err=%d ret=2\n",
+ err);
#endif
return 2;
}
if (err) {
#ifdef PCL812_EXTDEBUG
pcl812_cmdtest_out(3, cmd);
- rt_printk
- ("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...) err=%d ret=3\n",
- err);
+ printk
+ ("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...) err=%d ret=3\n",
+ err);
#endif
return 3;
}
if (cmd->convert_src == TRIG_TIMER) {
tmp = cmd->convert_arg;
i8253_cascade_ns_to_timer(this_board->i8254_osc_base, &divisor1,
- &divisor2, &cmd->convert_arg,
- cmd->flags & TRIG_ROUND_MASK);
+ &divisor2, &cmd->convert_arg,
+ cmd->flags & TRIG_ROUND_MASK);
if (cmd->convert_arg < this_board->ai_ns_min)
cmd->convert_arg = this_board->ai_ns_min;
if (tmp != cmd->convert_arg)
if (err) {
#ifdef PCL812_EXTDEBUG
- rt_printk
- ("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...) err=%d ret=4\n",
- err);
+ printk
+ ("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...) err=%d ret=4\n",
+ err);
#endif
return 4;
}
/*
==============================================================================
*/
-static int pcl812_ai_cmd(struct comedi_device * dev, struct comedi_subdevice * s)
+static int pcl812_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
{
unsigned int divisor1 = 0, divisor2 = 0, i, dma_flags, bytes;
- comedi_cmd *cmd = &s->async->cmd;
+ struct comedi_cmd *cmd = &s->async->cmd;
#ifdef PCL812_EXTDEBUG
- rt_printk("pcl812 EDBG: BGN: pcl812_ai_cmd(...)\n");
+ printk("pcl812 EDBG: BGN: pcl812_ai_cmd(...)\n");
#endif
if (cmd->start_src != TRIG_NOW)
if (cmd->convert_arg < this_board->ai_ns_min)
cmd->convert_arg = this_board->ai_ns_min;
i8253_cascade_ns_to_timer(this_board->i8254_osc_base,
- &divisor1, &divisor2, &cmd->convert_arg,
- cmd->flags & TRIG_ROUND_MASK);
+ &divisor1, &divisor2,
+ &cmd->convert_arg,
+ cmd->flags & TRIG_ROUND_MASK);
}
- start_pacer(dev, -1, 0, 0); // stop pacer
+ start_pacer(dev, -1, 0, 0); /* stop pacer */
devpriv->ai_n_chan = cmd->chanlist_len;
memcpy(devpriv->ai_chanlist, cmd->chanlist,
- sizeof(unsigned int) * cmd->scan_end_arg);
- setup_range_channel(dev, s, devpriv->ai_chanlist[0], 1); // select first channel and range
+ sizeof(unsigned int) * cmd->scan_end_arg);
+ setup_range_channel(dev, s, devpriv->ai_chanlist[0], 1); /* select first channel and range */
- if (devpriv->dma) { // check if we can use DMA transfer
+ if (devpriv->dma) { /* check if we can use DMA transfer */
devpriv->ai_dma = 1;
for (i = 1; i < devpriv->ai_n_chan; i++)
if (devpriv->ai_chanlist[0] != devpriv->ai_chanlist[i]) {
- devpriv->ai_dma = 0; // we cann't use DMA :-(
+ devpriv->ai_dma = 0; /* we cann't use DMA :-( */
break;
}
} else
devpriv->ai_poll_ptr = 0;
s->async->cur_chan = 0;
- if ((devpriv->ai_flags & TRIG_WAKE_EOS)) { // don't we want wake up every scan?
+ if ((devpriv->ai_flags & TRIG_WAKE_EOS)) { /* don't we want wake up every scan? */
devpriv->ai_eos = 1;
if (devpriv->ai_n_chan == 1)
- devpriv->ai_dma = 0; // DMA is useless for this situation
+ devpriv->ai_dma = 0; /* DMA is useless for this situation */
}
if (devpriv->ai_dma) {
- if (devpriv->ai_eos) { // we use EOS, so adapt DMA buffer to one scan
+ if (devpriv->ai_eos) { /* we use EOS, so adapt DMA buffer to one scan */
devpriv->dmabytestomove[0] =
- devpriv->ai_n_chan * sizeof(short);
+ devpriv->ai_n_chan * sizeof(short);
devpriv->dmabytestomove[1] =
- devpriv->ai_n_chan * sizeof(short);
+ devpriv->ai_n_chan * sizeof(short);
devpriv->dma_runs_to_end = 1;
} else {
devpriv->dmabytestomove[0] = devpriv->hwdmasize[0];
devpriv->dmabytestomove[1] = devpriv->hwdmasize[1];
if (devpriv->ai_data_len < devpriv->hwdmasize[0])
devpriv->dmabytestomove[0] =
- devpriv->ai_data_len;
+ devpriv->ai_data_len;
if (devpriv->ai_data_len < devpriv->hwdmasize[1])
devpriv->dmabytestomove[1] =
- devpriv->ai_data_len;
+ devpriv->ai_data_len;
if (devpriv->ai_neverending) {
devpriv->dma_runs_to_end = 1;
} else {
- bytes = devpriv->ai_n_chan * devpriv->ai_scans * sizeof(short); // how many samples we must transfer?
- devpriv->dma_runs_to_end = bytes / devpriv->dmabytestomove[0]; // how many DMA pages we must fill
- devpriv->last_dma_run = bytes % devpriv->dmabytestomove[0]; //on last dma transfer must be moved
+ bytes = devpriv->ai_n_chan * devpriv->ai_scans * sizeof(short); /* how many samples we must transfer? */
+ devpriv->dma_runs_to_end = bytes / devpriv->dmabytestomove[0]; /* how many DMA pages we must fill */
+ devpriv->last_dma_run = bytes % devpriv->dmabytestomove[0]; /* on last dma transfer must be moved */
if (devpriv->dma_runs_to_end == 0)
devpriv->dmabytestomove[0] =
- devpriv->last_dma_run;
+ devpriv->last_dma_run;
devpriv->dma_runs_to_end--;
}
}
release_dma_lock(dma_flags);
enable_dma(devpriv->dma);
#ifdef PCL812_EXTDEBUG
- rt_printk
- ("pcl812 EDBG: DMA %d PTR 0x%0x/0x%0x LEN %u/%u EOS %d\n",
- devpriv->dma, devpriv->hwdmaptr[0],
- devpriv->hwdmaptr[1], devpriv->dmabytestomove[0],
- devpriv->dmabytestomove[1], devpriv->ai_eos);
+ printk
+ ("pcl812 EDBG: DMA %d PTR 0x%0x/0x%0x LEN %u/%u EOS %d\n",
+ devpriv->dma, devpriv->hwdmaptr[0],
+ devpriv->hwdmaptr[1], devpriv->dmabytestomove[0],
+ devpriv->dmabytestomove[1], devpriv->ai_eos);
#endif
}
}
if (devpriv->ai_dma) {
- outb(devpriv->mode_reg_int | 2, dev->iobase + PCL812_MODE); // let's go!
+ outb(devpriv->mode_reg_int | 2, dev->iobase + PCL812_MODE); /* let's go! */
} else {
- outb(devpriv->mode_reg_int | 6, dev->iobase + PCL812_MODE); // let's go!
+ outb(devpriv->mode_reg_int | 6, dev->iobase + PCL812_MODE); /* let's go! */
}
#ifdef PCL812_EXTDEBUG
- rt_printk("pcl812 EDBG: END: pcl812_ai_cmd(...)\n");
+ printk("pcl812 EDBG: END: pcl812_ai_cmd(...)\n");
#endif
return 0;
err = 0;
break;
}
- comedi_udelay(1);
+ udelay(1);
}
} else {
mask = 0x0fff;
err = 0;
break;
}
- comedi_udelay(1);
+ udelay(1);
}
}
if (err) {
- rt_printk
- ("comedi%d: pcl812: (%s at 0x%lx) A/D cmd IRQ without DRDY!\n",
- dev->minor, dev->board_name, dev->iobase);
+ printk
+ ("comedi%d: pcl812: (%s at 0x%lx) A/D cmd IRQ without DRDY!\n",
+ dev->minor, dev->board_name, dev->iobase);
pcl812_ai_cancel(dev, s);
s->async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR;
comedi_event(dev, s);
}
comedi_buf_put(s->async,
- ((inb(dev->iobase + PCL812_AD_HI) << 8) | inb(dev->iobase +
- PCL812_AD_LO)) & mask);
+ ((inb(dev->iobase + PCL812_AD_HI) << 8) |
+ inb(dev->iobase + PCL812_AD_LO)) & mask);
outb(0, dev->iobase + PCL812_CLRINT); /* clear INT request */
/*
==============================================================================
*/
-static void transfer_from_dma_buf(struct comedi_device * dev, struct comedi_subdevice * s,
- short * ptr, unsigned int bufptr, unsigned int len)
+static void transfer_from_dma_buf(struct comedi_device *dev,
+ struct comedi_subdevice *s, short *ptr,
+ unsigned int bufptr, unsigned int len)
{
unsigned int i;
s->async->events = 0;
for (i = len; i; i--) {
- comedi_buf_put(s->async, ptr[bufptr++]); // get one sample
+ comedi_buf_put(s->async, ptr[bufptr++]); /* get one sample */
if (s->async->cur_chan == 0) {
devpriv->ai_act_scan++;
short *ptr;
#ifdef PCL812_EXTDEBUG
- rt_printk("pcl812 EDBG: BGN: interrupt_pcl812_ai_dma(...)\n");
+ printk("pcl812 EDBG: BGN: interrupt_pcl812_ai_dma(...)\n");
#endif
- ptr = (short *) devpriv->dmabuf[devpriv->next_dma_buf];
+ ptr = (short *)devpriv->dmabuf[devpriv->next_dma_buf];
len = (devpriv->dmabytestomove[devpriv->next_dma_buf] >> 1) -
- devpriv->ai_poll_ptr;
+ devpriv->ai_poll_ptr;
devpriv->next_dma_buf = 1 - devpriv->next_dma_buf;
disable_dma(devpriv->dma);
set_dma_addr(devpriv->dma, devpriv->hwdmaptr[devpriv->next_dma_buf]);
if (devpriv->ai_eos) {
set_dma_count(devpriv->dma,
- devpriv->dmabytestomove[devpriv->next_dma_buf]);
+ devpriv->dmabytestomove[devpriv->next_dma_buf]);
} else {
if (devpriv->dma_runs_to_end) {
set_dma_count(devpriv->dma,
- devpriv->dmabytestomove[devpriv->next_dma_buf]);
+ devpriv->dmabytestomove[devpriv->
+ next_dma_buf]);
} else {
set_dma_count(devpriv->dma, devpriv->last_dma_run);
}
transfer_from_dma_buf(dev, s, ptr, bufptr, len);
#ifdef PCL812_EXTDEBUG
- rt_printk("pcl812 EDBG: END: interrupt_pcl812_ai_dma(...)\n");
+ printk("pcl812 EDBG: END: interrupt_pcl812_ai_dma(...)\n");
#endif
return IRQ_HANDLED;
}
/*
==============================================================================
*/
-static irqreturn_t interrupt_pcl812(int irq, void *d PT_REGS_ARG)
+static irqreturn_t interrupt_pcl812(int irq, void *d)
{
struct comedi_device *dev = d;
/*
==============================================================================
*/
-static int pcl812_ai_poll(struct comedi_device * dev, struct comedi_subdevice * s)
+static int pcl812_ai_poll(struct comedi_device *dev, struct comedi_subdevice *s)
{
unsigned long flags;
unsigned int top1, top2, i;
if (!devpriv->ai_dma)
- return 0; // poll is valid only for DMA transfer
+ return 0; /* poll is valid only for DMA transfer */
- comedi_spin_lock_irqsave(&dev->spinlock, flags);
+ spin_lock_irqsave(&dev->spinlock, flags);
for (i = 0; i < 10; i++) {
- top1 = get_dma_residue(devpriv->ai_dma); // where is now DMA
+ top1 = get_dma_residue(devpriv->ai_dma); /* where is now DMA */
top2 = get_dma_residue(devpriv->ai_dma);
if (top1 == top2)
break;
}
if (top1 != top2) {
- comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+ spin_unlock_irqrestore(&dev->spinlock, flags);
return 0;
}
- top1 = devpriv->dmabytestomove[1 - devpriv->next_dma_buf] - top1; // where is now DMA in buffer
- top1 >>= 1; // sample position
+ top1 = devpriv->dmabytestomove[1 - devpriv->next_dma_buf] - top1; /* where is now DMA in buffer */
+ top1 >>= 1; /* sample position */
top2 = top1 - devpriv->ai_poll_ptr;
- if (top2 < 1) { // no new samples
- comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+ if (top2 < 1) { /* no new samples */
+ spin_unlock_irqrestore(&dev->spinlock, flags);
return 0;
}
transfer_from_dma_buf(dev, s,
- (void *)devpriv->dmabuf[1 - devpriv->next_dma_buf],
- devpriv->ai_poll_ptr, top2);
+ (void *)devpriv->dmabuf[1 -
+ devpriv->next_dma_buf],
+ devpriv->ai_poll_ptr, top2);
- devpriv->ai_poll_ptr = top1; // new buffer position
+ devpriv->ai_poll_ptr = top1; /* new buffer position */
- comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+ spin_unlock_irqrestore(&dev->spinlock, flags);
return s->async->buf_write_count - s->async->buf_read_count;
}
/*
==============================================================================
*/
-static void setup_range_channel(struct comedi_device * dev, struct comedi_subdevice * s,
- unsigned int rangechan, char wait)
+static void setup_range_channel(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ unsigned int rangechan, char wait)
{
- unsigned char chan_reg = CR_CHAN(rangechan); // normal board
- unsigned char gain_reg = CR_RANGE(rangechan) + devpriv->range_correction; // gain index
+ unsigned char chan_reg = CR_CHAN(rangechan); /* normal board */
+ unsigned char gain_reg = CR_RANGE(rangechan) + devpriv->range_correction; /* gain index */
if ((chan_reg == devpriv->old_chan_reg)
- && (gain_reg == devpriv->old_gain_reg))
- return; // we can return, no change
+ && (gain_reg == devpriv->old_gain_reg))
+ return; /* we can return, no change */
devpriv->old_chan_reg = chan_reg;
devpriv->old_gain_reg = gain_reg;
if (devpriv->use_MPC) {
if (devpriv->use_diff) {
- chan_reg = chan_reg | 0x30; // DIFF inputs
+ chan_reg = chan_reg | 0x30; /* DIFF inputs */
} else {
if (chan_reg & 0x80) {
- chan_reg = chan_reg | 0x20; // SE inputs 8-15
+ chan_reg = chan_reg | 0x20; /* SE inputs 8-15 */
} else {
- chan_reg = chan_reg | 0x10; // SE inputs 0-7
+ chan_reg = chan_reg | 0x10; /* SE inputs 0-7 */
}
}
}
outb(gain_reg, dev->iobase + PCL812_GAIN); /* select gain */
if (wait) {
- comedi_udelay(devpriv->max_812_ai_mode0_rangewait); // XXX this depends on selected range and can be very long for some high gain ranges!
+ udelay(devpriv->max_812_ai_mode0_rangewait); /* XXX this depends on selected range and can be very long for some high gain ranges! */
}
}
/*
==============================================================================
*/
-static void start_pacer(struct comedi_device * dev, int mode, unsigned int divisor1,
- unsigned int divisor2)
+static void start_pacer(struct comedi_device *dev, int mode,
+ unsigned int divisor1, unsigned int divisor2)
{
#ifdef PCL812_EXTDEBUG
- rt_printk("pcl812 EDBG: BGN: start_pacer(%d,%u,%u)\n", mode, divisor1,
- divisor2);
+ printk("pcl812 EDBG: BGN: start_pacer(%d,%u,%u)\n", mode, divisor1,
+ divisor2);
#endif
outb(0xb4, dev->iobase + PCL812_CTRCTL);
outb(0x74, dev->iobase + PCL812_CTRCTL);
- comedi_udelay(1);
+ udelay(1);
if (mode == 1) {
outb(divisor2 & 0xff, dev->iobase + PCL812_CTR2);
outb((divisor1 >> 8) & 0xff, dev->iobase + PCL812_CTR1);
}
#ifdef PCL812_EXTDEBUG
- rt_printk("pcl812 EDBG: END: start_pacer(...)\n");
+ printk("pcl812 EDBG: END: start_pacer(...)\n");
#endif
}
/*
==============================================================================
*/
-static void free_resources(struct comedi_device * dev)
+static void free_resources(struct comedi_device *dev)
{
if (dev->private) {
free_dma(devpriv->dma);
}
if (dev->irq)
- comedi_free_irq(dev->irq, dev);
+ free_irq(dev->irq, dev);
if (dev->iobase)
release_region(dev->iobase, this_board->io_range);
}
/*
==============================================================================
*/
-static int pcl812_ai_cancel(struct comedi_device * dev, struct comedi_subdevice * s)
+static int pcl812_ai_cancel(struct comedi_device *dev,
+ struct comedi_subdevice *s)
{
#ifdef PCL812_EXTDEBUG
- rt_printk("pcl812 EDBG: BGN: pcl812_ai_cancel(...)\n");
+ printk("pcl812 EDBG: BGN: pcl812_ai_cancel(...)\n");
#endif
if (devpriv->ai_dma)
disable_dma(devpriv->dma);
outb(0, dev->iobase + PCL812_CLRINT); /* clear INT request */
outb(devpriv->mode_reg_int | 0, dev->iobase + PCL812_MODE); /* Stop A/D */
- start_pacer(dev, -1, 0, 0); // stop 8254
+ start_pacer(dev, -1, 0, 0); /* stop 8254 */
outb(0, dev->iobase + PCL812_CLRINT); /* clear INT request */
#ifdef PCL812_EXTDEBUG
- rt_printk("pcl812 EDBG: END: pcl812_ai_cancel(...)\n");
+ printk("pcl812 EDBG: END: pcl812_ai_cancel(...)\n");
#endif
return 0;
}
/*
==============================================================================
*/
-static void pcl812_reset(struct comedi_device * dev)
+static void pcl812_reset(struct comedi_device *dev)
{
#ifdef PCL812_EXTDEBUG
- rt_printk("pcl812 EDBG: BGN: pcl812_reset(...)\n");
+ printk("pcl812 EDBG: BGN: pcl812_reset(...)\n");
#endif
outb(0, dev->iobase + PCL812_MUX);
outb(0 + devpriv->range_correction, dev->iobase + PCL812_GAIN);
- devpriv->old_chan_reg = -1; // invalidate chain/gain memory
+ devpriv->old_chan_reg = -1; /* invalidate chain/gain memory */
devpriv->old_gain_reg = -1;
switch (this_board->board_type) {
case boardA821:
outb(0, dev->iobase + PCL812_DA1_LO);
outb(0, dev->iobase + PCL812_DA1_HI);
- start_pacer(dev, -1, 0, 0); // stop 8254
+ start_pacer(dev, -1, 0, 0); /* stop 8254 */
outb(0, dev->iobase + PCL812_DO_HI);
outb(0, dev->iobase + PCL812_DO_LO);
outb(devpriv->mode_reg_int | 0, dev->iobase + PCL812_MODE);
case boardPCL813:
case boardISO813:
case boardACL8113:
- comedi_udelay(5);
+ udelay(5);
break;
}
- comedi_udelay(5);
+ udelay(5);
#ifdef PCL812_EXTDEBUG
- rt_printk("pcl812 EDBG: END: pcl812_reset(...)\n");
+ printk("pcl812 EDBG: END: pcl812_reset(...)\n");
#endif
}
/*
==============================================================================
*/
-static int pcl812_attach(struct comedi_device * dev, comedi_devconfig * it)
+static int pcl812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
int ret, subdev;
unsigned long iobase;
iobase = it->options[0];
printk("comedi%d: pcl812: board=%s, ioport=0x%03lx", dev->minor,
- this_board->name, iobase);
+ this_board->name, iobase);
if (!request_region(iobase, this_board->io_range, "pcl812")) {
printk("I/O port conflict\n");
}
dev->iobase = iobase;
- if ((ret = alloc_private(dev, sizeof(pcl812_private))) < 0) {
+ ret = alloc_private(dev, sizeof(struct pcl812_private));
+ if (ret < 0) {
free_resources(dev);
return ret; /* Can't alloc mem */
}
irq = it->options[1];
if (irq) { /* we want to use IRQ */
if (((1 << irq) & this_board->IRQbits) == 0) {
- printk(", IRQ %u is out of allowed range, DISABLING IT", irq);
+ printk
+ (", IRQ %u is out of allowed range, DISABLING IT",
+ irq);
irq = 0; /* Bad IRQ */
} else {
- if (comedi_request_irq(irq, interrupt_pcl812, 0,
- "pcl812", dev)) {
- printk(", unable to allocate IRQ %u, DISABLING IT", irq);
+ if (request_irq
+ (irq, interrupt_pcl812, 0, "pcl812", dev)) {
+ printk
+ (", unable to allocate IRQ %u, DISABLING IT",
+ irq);
irq = 0; /* Can't use IRQ */
} else {
printk(", irq=%u", irq);
devpriv->hwdmaptr[1] = virt_to_bus((void *)devpriv->dmabuf[1]);
devpriv->hwdmasize[1] = PAGE_SIZE * (1 << pages);
}
- no_dma:
+no_dma:
n_subdevices = 0;
if (this_board->n_aichan > 0)
if (this_board->n_dochan > 0)
n_subdevices++;
- if ((ret = alloc_subdevices(dev, n_subdevices)) < 0) {
+ ret = alloc_subdevices(dev, n_subdevices);
+ if (ret < 0) {
free_resources(dev);
return ret;
}
default:
s->range_table = &range_bipolar10;
break;
- printk(", incorrect range number %d, changing to 0 (+/-10V)", it->options[4]);
+ printk
+ (", incorrect range number %d, changing to 0 (+/-10V)",
+ it->options[4]);
break;
}
break;
default:
s->range_table = &range_iso813_1_ai;
break;
- printk(", incorrect range number %d, changing to 0 ", it->options[1]);
+ printk
+ (", incorrect range number %d, changing to 0 ",
+ it->options[1]);
break;
}
break;
default:
s->range_table = &range_acl8113_1_ai;
break;
- printk(", incorrect range number %d, changing to 0 ", it->options[1]);
+ printk
+ (", incorrect range number %d, changing to 0 ",
+ it->options[1]);
break;
}
break;
case boardACL8112:
devpriv->max_812_ai_mode0_rangewait = 1;
if (it->options[3] > 0)
- devpriv->use_ext_trg = 1; // we use external trigger
+ devpriv->use_ext_trg = 1; /* we use external trigger */
case boardA821:
devpriv->max_812_ai_mode0_rangewait = 1;
devpriv->mode_reg_int = (irq << 4) & 0xf0;
/*
==============================================================================
*/
-static int pcl812_detach(struct comedi_device * dev)
+static int pcl812_detach(struct comedi_device *dev)
{
#ifdef PCL812_EXTDEBUG
- rt_printk("comedi%d: pcl812: remove\n", dev->minor);
+ printk("comedi%d: pcl812: remove\n", dev->minor);
#endif
free_resources(dev);
return 0;