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path: root/drivers/staging/comedi/drivers/pcl812.c
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Diffstat (limited to 'drivers/staging/comedi/drivers/pcl812.c')
-rw-r--r--drivers/staging/comedi/drivers/pcl812.c186
1 files changed, 102 insertions, 84 deletions
diff --git a/drivers/staging/comedi/drivers/pcl812.c b/drivers/staging/comedi/drivers/pcl812.c
index 48f6cdf440b9..9c75065dd26a 100644
--- a/drivers/staging/comedi/drivers/pcl812.c
+++ b/drivers/staging/comedi/drivers/pcl812.c
@@ -119,40 +119,30 @@
#include "comedi_isadma.h"
#include "comedi_8254.h"
-/* hardware types of the cards */
-#define boardPCL812PG 0 /* and ACL-8112PG */
-#define boardPCL813B 1
-#define boardPCL812 2
-#define boardPCL813 3
-#define boardISO813 5
-#define boardACL8113 6
-#define boardACL8112 7 /* ACL-8112DG/HG, A-822PGL/PGH, A-823PGL/PGH */
-#define boardACL8216 8 /* and ICP DAS A-826PG */
-#define boardA821 9 /* PGH, PGL, PGL/NDA versions */
-
/*
* Register I/O map
*/
#define PCL812_TIMER_BASE 0x00
#define PCL812_AI_LSB_REG 0x04
#define PCL812_AI_MSB_REG 0x05
-#define PCL812_AI_MSB_DRDY (1 << 4)
+#define PCL812_AI_MSB_DRDY BIT(4)
#define PCL812_AO_LSB_REG(x) (0x04 + ((x) * 2))
#define PCL812_AO_MSB_REG(x) (0x05 + ((x) * 2))
#define PCL812_DI_LSB_REG 0x06
#define PCL812_DI_MSB_REG 0x07
#define PCL812_STATUS_REG 0x08
-#define PCL812_STATUS_DRDY (1 << 5)
+#define PCL812_STATUS_DRDY BIT(5)
#define PCL812_RANGE_REG 0x09
#define PCL812_MUX_REG 0x0a
#define PCL812_MUX_CHAN(x) ((x) << 0)
-#define PCL812_MUX_CS0 (1 << 4)
-#define PCL812_MUX_CS1 (1 << 5)
+#define PCL812_MUX_CS0 BIT(4)
+#define PCL812_MUX_CS1 BIT(5)
#define PCL812_CTRL_REG 0x0b
-#define PCL812_CTRL_DISABLE_TRIG (0 << 0)
-#define PCL812_CTRL_SOFT_TRIG (1 << 0)
-#define PCL812_CTRL_PACER_DMA_TRIG (2 << 0)
-#define PCL812_CTRL_PACER_EOC_TRIG (6 << 0)
+#define PCL812_CTRL_TRIG(x) (((x) & 0x7) << 0)
+#define PCL812_CTRL_DISABLE_TRIG PCL812_CTRL_TRIG(0)
+#define PCL812_CTRL_SOFT_TRIG PCL812_CTRL_TRIG(1)
+#define PCL812_CTRL_PACER_DMA_TRIG PCL812_CTRL_TRIG(2)
+#define PCL812_CTRL_PACER_EOC_TRIG PCL812_CTRL_TRIG(6)
#define PCL812_SOFTTRIG_REG 0x0c
#define PCL812_DO_LSB_REG 0x0d
#define PCL812_DO_MSB_REG 0x0e
@@ -327,14 +317,26 @@ static const struct comedi_lrange range_a821pgh_ai = {
}
};
+enum pcl812_boardtype {
+ BOARD_PCL812PG = 0, /* and ACL-8112PG */
+ BOARD_PCL813B = 1,
+ BOARD_PCL812 = 2,
+ BOARD_PCL813 = 3,
+ BOARD_ISO813 = 5,
+ BOARD_ACL8113 = 6,
+ BOARD_ACL8112 = 7, /* ACL-8112DG/HG, A-822PGL/PGH, A-823PGL/PGH */
+ BOARD_ACL8216 = 8, /* and ICP DAS A-826PG */
+ BOARD_A821 = 9, /* PGH, PGL, PGL/NDA versions */
+};
+
struct pcl812_board {
const char *name;
- int board_type;
+ enum pcl812_boardtype board_type;
int n_aichan;
int n_aochan;
unsigned int ai_ns_min;
const struct comedi_lrange *rangelist_ai;
- unsigned int IRQbits;
+ unsigned int irq_bits;
unsigned int has_dma:1;
unsigned int has_16bit_ai:1;
unsigned int has_mpc508_mux:1;
@@ -344,161 +346,161 @@ struct pcl812_board {
static const struct pcl812_board boardtypes[] = {
{
.name = "pcl812",
- .board_type = boardPCL812,
+ .board_type = BOARD_PCL812,
.n_aichan = 16,
.n_aochan = 2,
.ai_ns_min = 33000,
.rangelist_ai = &range_bipolar10,
- .IRQbits = 0xdcfc,
+ .irq_bits = 0xdcfc,
.has_dma = 1,
.has_dio = 1,
}, {
.name = "pcl812pg",
- .board_type = boardPCL812PG,
+ .board_type = BOARD_PCL812PG,
.n_aichan = 16,
.n_aochan = 2,
.ai_ns_min = 33000,
.rangelist_ai = &range_pcl812pg_ai,
- .IRQbits = 0xdcfc,
+ .irq_bits = 0xdcfc,
.has_dma = 1,
.has_dio = 1,
}, {
.name = "acl8112pg",
- .board_type = boardPCL812PG,
+ .board_type = BOARD_PCL812PG,
.n_aichan = 16,
.n_aochan = 2,
.ai_ns_min = 10000,
.rangelist_ai = &range_pcl812pg_ai,
- .IRQbits = 0xdcfc,
+ .irq_bits = 0xdcfc,
.has_dma = 1,
.has_dio = 1,
}, {
.name = "acl8112dg",
- .board_type = boardACL8112,
+ .board_type = BOARD_ACL8112,
.n_aichan = 16, /* 8 differential */
.n_aochan = 2,
.ai_ns_min = 10000,
.rangelist_ai = &range_acl8112dg_ai,
- .IRQbits = 0xdcfc,
+ .irq_bits = 0xdcfc,
.has_dma = 1,
.has_mpc508_mux = 1,
.has_dio = 1,
}, {
.name = "acl8112hg",
- .board_type = boardACL8112,
+ .board_type = BOARD_ACL8112,
.n_aichan = 16, /* 8 differential */
.n_aochan = 2,
.ai_ns_min = 10000,
.rangelist_ai = &range_acl8112hg_ai,
- .IRQbits = 0xdcfc,
+ .irq_bits = 0xdcfc,
.has_dma = 1,
.has_mpc508_mux = 1,
.has_dio = 1,
}, {
.name = "a821pgl",
- .board_type = boardA821,
+ .board_type = BOARD_A821,
.n_aichan = 16, /* 8 differential */
.n_aochan = 1,
.ai_ns_min = 10000,
.rangelist_ai = &range_pcl813b_ai,
- .IRQbits = 0x000c,
+ .irq_bits = 0x000c,
.has_dio = 1,
}, {
.name = "a821pglnda",
- .board_type = boardA821,
+ .board_type = BOARD_A821,
.n_aichan = 16, /* 8 differential */
.ai_ns_min = 10000,
.rangelist_ai = &range_pcl813b_ai,
- .IRQbits = 0x000c,
+ .irq_bits = 0x000c,
}, {
.name = "a821pgh",
- .board_type = boardA821,
+ .board_type = BOARD_A821,
.n_aichan = 16, /* 8 differential */
.n_aochan = 1,
.ai_ns_min = 10000,
.rangelist_ai = &range_a821pgh_ai,
- .IRQbits = 0x000c,
+ .irq_bits = 0x000c,
.has_dio = 1,
}, {
.name = "a822pgl",
- .board_type = boardACL8112,
+ .board_type = BOARD_ACL8112,
.n_aichan = 16, /* 8 differential */
.n_aochan = 2,
.ai_ns_min = 10000,
.rangelist_ai = &range_acl8112dg_ai,
- .IRQbits = 0xdcfc,
+ .irq_bits = 0xdcfc,
.has_dma = 1,
.has_dio = 1,
}, {
.name = "a822pgh",
- .board_type = boardACL8112,
+ .board_type = BOARD_ACL8112,
.n_aichan = 16, /* 8 differential */
.n_aochan = 2,
.ai_ns_min = 10000,
.rangelist_ai = &range_acl8112hg_ai,
- .IRQbits = 0xdcfc,
+ .irq_bits = 0xdcfc,
.has_dma = 1,
.has_dio = 1,
}, {
.name = "a823pgl",
- .board_type = boardACL8112,
+ .board_type = BOARD_ACL8112,
.n_aichan = 16, /* 8 differential */
.n_aochan = 2,
.ai_ns_min = 8000,
.rangelist_ai = &range_acl8112dg_ai,
- .IRQbits = 0xdcfc,
+ .irq_bits = 0xdcfc,
.has_dma = 1,
.has_dio = 1,
}, {
.name = "a823pgh",
- .board_type = boardACL8112,
+ .board_type = BOARD_ACL8112,
.n_aichan = 16, /* 8 differential */
.n_aochan = 2,
.ai_ns_min = 8000,
.rangelist_ai = &range_acl8112hg_ai,
- .IRQbits = 0xdcfc,
+ .irq_bits = 0xdcfc,
.has_dma = 1,
.has_dio = 1,
}, {
.name = "pcl813",
- .board_type = boardPCL813,
+ .board_type = BOARD_PCL813,
.n_aichan = 32,
.rangelist_ai = &range_pcl813b_ai,
}, {
.name = "pcl813b",
- .board_type = boardPCL813B,
+ .board_type = BOARD_PCL813B,
.n_aichan = 32,
.rangelist_ai = &range_pcl813b_ai,
}, {
.name = "acl8113",
- .board_type = boardACL8113,
+ .board_type = BOARD_ACL8113,
.n_aichan = 32,
.rangelist_ai = &range_acl8113_1_ai,
}, {
.name = "iso813",
- .board_type = boardISO813,
+ .board_type = BOARD_ISO813,
.n_aichan = 32,
.rangelist_ai = &range_iso813_1_ai,
}, {
.name = "acl8216",
- .board_type = boardACL8216,
+ .board_type = BOARD_ACL8216,
.n_aichan = 16, /* 8 differential */
.n_aochan = 2,
.ai_ns_min = 10000,
.rangelist_ai = &range_pcl813b2_ai,
- .IRQbits = 0xdcfc,
+ .irq_bits = 0xdcfc,
.has_dma = 1,
.has_16bit_ai = 1,
.has_mpc508_mux = 1,
.has_dio = 1,
}, {
.name = "a826pg",
- .board_type = boardACL8216,
+ .board_type = BOARD_ACL8216,
.n_aichan = 16, /* 8 differential */
.n_aochan = 2,
.ai_ns_min = 10000,
.rangelist_ai = &range_pcl813b2_ai,
- .IRQbits = 0xdcfc,
+ .irq_bits = 0xdcfc,
.has_dma = 1,
.has_16bit_ai = 1,
.has_dio = 1,
@@ -1017,16 +1019,14 @@ static void pcl812_set_ai_range_table(struct comedi_device *dev,
const struct pcl812_board *board = dev->board_ptr;
struct pcl812_private *devpriv = dev->private;
- /* default to the range table from the boardinfo */
- s->range_table = board->rangelist_ai;
-
- /* now check the user config option based on the boardtype */
switch (board->board_type) {
- case boardPCL812PG:
+ case BOARD_PCL812PG:
if (it->options[4] == 1)
s->range_table = &range_pcl812pg2_ai;
+ else
+ s->range_table = board->rangelist_ai;
break;
- case boardPCL812:
+ case BOARD_PCL812:
switch (it->options[4]) {
case 0:
s->range_table = &range_bipolar10;
@@ -1051,11 +1051,13 @@ static void pcl812_set_ai_range_table(struct comedi_device *dev,
break;
}
break;
- case boardPCL813B:
+ case BOARD_PCL813B:
if (it->options[1] == 1)
s->range_table = &range_pcl813b2_ai;
+ else
+ s->range_table = board->rangelist_ai;
break;
- case boardISO813:
+ case BOARD_ISO813:
switch (it->options[1]) {
case 0:
s->range_table = &range_iso813_1_ai;
@@ -1076,7 +1078,7 @@ static void pcl812_set_ai_range_table(struct comedi_device *dev,
break;
}
break;
- case boardACL8113:
+ case BOARD_ACL8113:
switch (it->options[1]) {
case 0:
s->range_table = &range_acl8113_1_ai;
@@ -1097,6 +1099,9 @@ static void pcl812_set_ai_range_table(struct comedi_device *dev,
break;
}
break;
+ default:
+ s->range_table = board->rangelist_ai;
+ break;
}
}
@@ -1138,14 +1143,14 @@ static int pcl812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
if (ret)
return ret;
- if (board->IRQbits) {
+ if (board->irq_bits) {
dev->pacer = comedi_8254_init(dev->iobase + PCL812_TIMER_BASE,
I8254_OSC_BASE_2MHZ,
I8254_IO8, 0);
if (!dev->pacer)
return -ENOMEM;
- if ((1 << it->options[1]) & board->IRQbits) {
+ if ((1 << it->options[1]) & board->irq_bits) {
ret = request_irq(it->options[1], pcl812_interrupt, 0,
dev->board_name, dev);
if (ret == 0)
@@ -1159,15 +1164,17 @@ static int pcl812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
/* differential analog inputs? */
switch (board->board_type) {
- case boardA821:
+ case BOARD_A821:
if (it->options[2] == 1)
devpriv->use_diff = 1;
break;
- case boardACL8112:
- case boardACL8216:
+ case BOARD_ACL8112:
+ case BOARD_ACL8216:
if (it->options[4] == 1)
devpriv->use_diff = 1;
break;
+ default:
+ break;
}
n_subdevices = 1; /* all boardtypes have analog inputs */
@@ -1220,20 +1227,31 @@ static int pcl812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
s->subdev_flags = SDF_WRITABLE | SDF_GROUND;
s->n_chan = board->n_aochan;
s->maxdata = 0xfff;
- s->range_table = &range_unipolar5;
switch (board->board_type) {
- case boardA821:
+ case BOARD_A821:
if (it->options[3] == 1)
s->range_table = &range_unipolar10;
+ else
+ s->range_table = &range_unipolar5;
break;
- case boardPCL812:
- case boardACL8112:
- case boardPCL812PG:
- case boardACL8216:
- if (it->options[5] == 1)
+ case BOARD_PCL812:
+ case BOARD_ACL8112:
+ case BOARD_PCL812PG:
+ case BOARD_ACL8216:
+ switch (it->options[5]) {
+ case 1:
s->range_table = &range_unipolar10;
- if (it->options[5] == 2)
+ break;
+ case 2:
s->range_table = &range_unknown;
+ break;
+ default:
+ s->range_table = &range_unipolar5;
+ break;
+ }
+ break;
+ default:
+ s->range_table = &range_unipolar5;
break;
}
s->insn_write = pcl812_ao_insn_write;
@@ -1268,23 +1286,23 @@ static int pcl812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
}
switch (board->board_type) {
- case boardACL8216:
- case boardPCL812PG:
- case boardPCL812:
- case boardACL8112:
+ case BOARD_ACL8216:
+ case BOARD_PCL812PG:
+ case BOARD_PCL812:
+ case BOARD_ACL8112:
devpriv->max_812_ai_mode0_rangewait = 1;
if (it->options[3] > 0)
/* we use external trigger */
devpriv->use_ext_trg = 1;
break;
- case boardA821:
+ case BOARD_A821:
devpriv->max_812_ai_mode0_rangewait = 1;
devpriv->mode_reg_int = (dev->irq << 4) & 0xf0;
break;
- case boardPCL813B:
- case boardPCL813:
- case boardISO813:
- case boardACL8113:
+ case BOARD_PCL813B:
+ case BOARD_PCL813:
+ case BOARD_ISO813:
+ case BOARD_ACL8113:
/* maybe there must by greatest timeout */
devpriv->max_812_ai_mode0_rangewait = 5;
break;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.