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staging: comedi: das16: all supported board have analog inputs 

All the boards supported by this driver have analog inputs and all
of then use the same function to handle the (*insn_read) for the
subdevice.

Remove the 'ai' member from the boardinfo and always initalize the
analog input subdevice during the board attach.

Tidy up the subdevice init a bit.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2013-07-29 13:49:01 -07:00 committed by Greg Kroah-Hartman
parent b0926a7afa
commit 465e25b5e1
1 changed files with 30 additions and 56 deletions
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86
drivers/staging/comedi/drivers/das16.c
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@ -338,7 +338,6 @@ struct munge_info {
struct das16_board {
const char *name;
void *ai;
unsigned int ai_nbits;
unsigned int ai_speed; /* max conversion speed in nanosec */
unsigned int ai_pg;
@ -659,8 +658,10 @@ static void das16_reset(struct comedi_device *dev)
outb(0, dev->iobase + DAS16_CNTR_CONTROL);
}
static int das16_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
static int das16_ai_insn_read(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
const struct das16_board *board = comedi_board(dev);
struct das16_private_struct *devpriv = dev->private;
@ -1099,39 +1100,34 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it)
if (ret)
return ret;
/* Analog Input subdevice */
s = &dev->subdevices[0];
/* ai */
if (board->ai) {
s->type = COMEDI_SUBD_AI;
s->subdev_flags = SDF_READABLE;
if (devpriv->ai_singleended) {
s->n_chan = 16;
s->len_chanlist = 16;
s->subdev_flags |= SDF_GROUND;
} else {
s->n_chan = 8;
s->len_chanlist = 8;
s->subdev_flags |= SDF_DIFF;
}
s->maxdata = (1 << board->ai_nbits) - 1;
if (devpriv->user_ai_range_table) { /* user defined ai range */
s->range_table = devpriv->user_ai_range_table;
} else if (devpriv->ai_unipolar) {
s->range_table = das16_ai_uni_lranges[board->ai_pg];
} else {
s->range_table = das16_ai_bip_lranges[board->ai_pg];
}
s->insn_read = board->ai;
if (devpriv->dma_chan) {
dev->read_subdev = s;
s->subdev_flags |= SDF_CMD_READ;
s->do_cmdtest = das16_cmd_test;
s->do_cmd = das16_cmd_exec;
s->cancel = das16_cancel;
s->munge = das16_ai_munge;
}
s->type = COMEDI_SUBD_AI;
s->subdev_flags = SDF_READABLE;
if (devpriv->ai_singleended) {
s->subdev_flags |= SDF_GROUND;
s->n_chan = 16;
} else {
s->type = COMEDI_SUBD_UNUSED;
s->subdev_flags |= SDF_DIFF;
s->n_chan = 8;
}
s->len_chanlist = s->n_chan;
s->maxdata = (1 << board->ai_nbits) - 1;
if (devpriv->user_ai_range_table) { /* user defined ai range */
s->range_table = devpriv->user_ai_range_table;
} else if (devpriv->ai_unipolar) {
s->range_table = das16_ai_uni_lranges[board->ai_pg];
} else {
s->range_table = das16_ai_bip_lranges[board->ai_pg];
}
s->insn_read = das16_ai_insn_read;
if (devpriv->dma_chan) {
dev->read_subdev = s;
s->subdev_flags |= SDF_CMD_READ;
s->do_cmdtest = das16_cmd_test;
s->do_cmd = das16_cmd_exec;
s->cancel = das16_cancel;
s->munge = das16_ai_munge;
}
s = &dev->subdevices[1];
@ -1232,7 +1228,6 @@ static void das16_detach(struct comedi_device *dev)
static const struct das16_board das16_boards[] = {
{
.name = "das-16",
.ai = das16_ai_rinsn,
.ai_nbits = 12,
.ai_speed = 15000,
.ai_pg = das16_pg_none,
@ -1246,7 +1241,6 @@ static const struct das16_board das16_boards[] = {
.id = 0x00,
}, {
.name = "das-16g",
.ai = das16_ai_rinsn,
.ai_nbits = 12,
.ai_speed = 15000,
.ai_pg = das16_pg_none,
@ -1260,7 +1254,6 @@ static const struct das16_board das16_boards[] = {
.id = 0x00,
}, {
.name = "das-16f",
.ai = das16_ai_rinsn,
.ai_nbits = 12,
.ai_speed = 8500,
.ai_pg = das16_pg_none,
@ -1274,7 +1267,6 @@ static const struct das16_board das16_boards[] = {
.id = 0x00,
}, {
.name = "cio-das16",
.ai = das16_ai_rinsn,
.ai_nbits = 12,
.ai_speed = 20000,
.ai_pg = das16_pg_none,
@ -1288,7 +1280,6 @@ static const struct das16_board das16_boards[] = {
.id = 0x80,
}, {
.name = "cio-das16/f",
.ai = das16_ai_rinsn,
.ai_nbits = 12,
.ai_speed = 10000,
.ai_pg = das16_pg_none,
@ -1302,7 +1293,6 @@ static const struct das16_board das16_boards[] = {
.id = 0x80,
}, {
.name = "cio-das16/jr",
.ai = das16_ai_rinsn,
.ai_nbits = 12,
.ai_speed = 7692,
.ai_pg = das16_pg_16jr,
@ -1315,7 +1305,6 @@ static const struct das16_board das16_boards[] = {
.id = 0x00,
}, {
.name = "pc104-das16jr",
.ai = das16_ai_rinsn,
.ai_nbits = 12,
.ai_speed = 3300,
.ai_pg = das16_pg_16jr,
@ -1328,7 +1317,6 @@ static const struct das16_board das16_boards[] = {
.id = 0x00,
}, {
.name = "cio-das16jr/16",
.ai = das16_ai_rinsn,
.ai_nbits = 16,
.ai_speed = 10000,
.ai_pg = das16_pg_16jr_16,
@ -1341,7 +1329,6 @@ static const struct das16_board das16_boards[] = {
.id = 0x00,
}, {
.name = "pc104-das16jr/16",
.ai = das16_ai_rinsn,
.ai_nbits = 16,
.ai_speed = 10000,
.ai_pg = das16_pg_16jr_16,
@ -1354,7 +1341,6 @@ static const struct das16_board das16_boards[] = {
.id = 0x00,
}, {
.name = "das-1201",
.ai = das16_ai_rinsn,
.ai_nbits = 12,
.ai_speed = 20000,
.ai_pg = das16_pg_none,
@ -1367,7 +1353,6 @@ static const struct das16_board das16_boards[] = {
.id = 0x20,
}, {
.name = "das-1202",
.ai = das16_ai_rinsn,
.ai_nbits = 12,
.ai_speed = 10000,
.ai_pg = das16_pg_none,
@ -1380,7 +1365,6 @@ static const struct das16_board das16_boards[] = {
.id = 0x20,
}, {
.name = "das-1401",
.ai = das16_ai_rinsn,
.ai_nbits = 12,
.ai_speed = 10000,
.ai_pg = das16_pg_1601,
@ -1393,7 +1377,6 @@ static const struct das16_board das16_boards[] = {
.id = 0xc0,
}, {
.name = "das-1402",
.ai = das16_ai_rinsn,
.ai_nbits = 12,
.ai_speed = 10000,
.ai_pg = das16_pg_1602,
@ -1406,7 +1389,6 @@ static const struct das16_board das16_boards[] = {
.id = 0xc0,
}, {
.name = "das-1601",
.ai = das16_ai_rinsn,
.ai_nbits = 12,
.ai_speed = 10000,
.ai_pg = das16_pg_1601,
@ -1420,7 +1402,6 @@ static const struct das16_board das16_boards[] = {
.id = 0xc0,
}, {
.name = "das-1602",
.ai = das16_ai_rinsn,
.ai_nbits = 12,
.ai_speed = 10000,
.ai_pg = das16_pg_1602,
@ -1434,7 +1415,6 @@ static const struct das16_board das16_boards[] = {
.id = 0xc0,
}, {
.name = "cio-das1401/12",
.ai = das16_ai_rinsn,
.ai_nbits = 12,
.ai_speed = 6250,
.ai_pg = das16_pg_1601,
@ -1447,7 +1427,6 @@ static const struct das16_board das16_boards[] = {
.id = 0xc0,
}, {
.name = "cio-das1402/12",
.ai = das16_ai_rinsn,
.ai_nbits = 12,
.ai_speed = 6250,
.ai_pg = das16_pg_1602,
@ -1460,7 +1439,6 @@ static const struct das16_board das16_boards[] = {
.id = 0xc0,
}, {
.name = "cio-das1402/16",
.ai = das16_ai_rinsn,
.ai_nbits = 16,
.ai_speed = 10000,
.ai_pg = das16_pg_1602,
@ -1473,7 +1451,6 @@ static const struct das16_board das16_boards[] = {
.id = 0xc0,
}, {
.name = "cio-das1601/12",
.ai = das16_ai_rinsn,
.ai_nbits = 12,
.ai_speed = 6250,
.ai_pg = das16_pg_1601,
@ -1487,7 +1464,6 @@ static const struct das16_board das16_boards[] = {
.id = 0xc0,
}, {
.name = "cio-das1602/12",
.ai = das16_ai_rinsn,
.ai_nbits = 12,
.ai_speed = 10000,
.ai_pg = das16_pg_1602,
@ -1501,7 +1477,6 @@ static const struct das16_board das16_boards[] = {
.id = 0xc0,
}, {
.name = "cio-das1602/16",
.ai = das16_ai_rinsn,
.ai_nbits = 16,
.ai_speed = 10000,
.ai_pg = das16_pg_1602,
@ -1515,7 +1490,6 @@ static const struct das16_board das16_boards[] = {
.id = 0xc0,
}, {
.name = "cio-das16/330",
.ai = das16_ai_rinsn,
.ai_nbits = 12,
.ai_speed = 3030,
.ai_pg = das16_pg_16jr,