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Commit 62c2bce0 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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staging: comedi: ni_mio_common: remove forward declaration 5 

Move the calibration subdevice functions and helpers to remove the need
for the forward declarations.
Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: default avatarIan Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 9e7cb171
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Showing with 177 additions and 188 deletions
drivers/staging/comedi/drivers/ni_mio_common.c
View file @ 62c2bce0
......@@ -221,13 +221,6 @@ static int ni_serial_sw_readwrite8(struct comedi_device *dev,
unsigned char data_out,
unsigned char *data_in);
static int ni_calib_insn_read(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data);
static int ni_calib_insn_write(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data);
static int ni_pfi_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data);
......@@ -245,8 +238,6 @@ static int ni_rtsi_insn_config(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data);
static void caldac_setup(struct comedi_device *dev, struct comedi_subdevice *s);
#ifndef PCIDMA
static void ni_handle_fifo_half_full(struct comedi_device *dev);
static int ni_ao_fifo_half_empty(struct comedi_device *dev,
......@@ -4299,6 +4290,183 @@ static int ni_6143_pwm_config(struct comedi_device *dev,
return 0;
}
static int pack_mb88341(int addr, int val, int *bitstring)
{
/*
Fujitsu MB 88341
Note that address bits are reversed. Thanks to
Ingo Keen for noticing this.
Note also that the 88341 expects address values from
1-12, whereas we use channel numbers 0-11. The NI
docs use 1-12, also, so be careful here.
*/
addr++;
*bitstring = ((addr & 0x1) << 11) |
((addr & 0x2) << 9) |
((addr & 0x4) << 7) | ((addr & 0x8) << 5) | (val & 0xff);
return 12;
}
static int pack_dac8800(int addr, int val, int *bitstring)
{
*bitstring = ((addr & 0x7) << 8) | (val & 0xff);
return 11;
}
static int pack_dac8043(int addr, int val, int *bitstring)
{
*bitstring = val & 0xfff;
return 12;
}
static int pack_ad8522(int addr, int val, int *bitstring)
{
*bitstring = (val & 0xfff) | (addr ? 0xc000 : 0xa000);
return 16;
}
static int pack_ad8804(int addr, int val, int *bitstring)
{
*bitstring = ((addr & 0xf) << 8) | (val & 0xff);
return 12;
}
static int pack_ad8842(int addr, int val, int *bitstring)
{
*bitstring = ((addr + 1) << 8) | (val & 0xff);
return 12;
}
struct caldac_struct {
int n_chans;
int n_bits;
int (*packbits)(int, int, int *);
};
static struct caldac_struct caldacs[] = {
[mb88341] = {12, 8, pack_mb88341},
[dac8800] = {8, 8, pack_dac8800},
[dac8043] = {1, 12, pack_dac8043},
[ad8522] = {2, 12, pack_ad8522},
[ad8804] = {12, 8, pack_ad8804},
[ad8842] = {8, 8, pack_ad8842},
[ad8804_debug] = {16, 8, pack_ad8804},
};
static void ni_write_caldac(struct comedi_device *dev, int addr, int val)
{
const struct ni_board_struct *board = comedi_board(dev);
struct ni_private *devpriv = dev->private;
unsigned int loadbit = 0, bits = 0, bit, bitstring = 0;
int i;
int type;
/* printk("ni_write_caldac: chan=%d val=%d\n",addr,val); */
if (devpriv->caldacs[addr] == val)
return;
devpriv->caldacs[addr] = val;
for (i = 0; i < 3; i++) {
type = board->caldac[i];
if (type == caldac_none)
break;
if (addr < caldacs[type].n_chans) {
bits = caldacs[type].packbits(addr, val, &bitstring);
loadbit = SerDacLd(i);
/* printk("caldac: using i=%d addr=%d %x\n",i,addr,bitstring); */
break;
}
addr -= caldacs[type].n_chans;
}
for (bit = 1 << (bits - 1); bit; bit >>= 1) {
ni_writeb(((bit & bitstring) ? 0x02 : 0), Serial_Command);
udelay(1);
ni_writeb(1 | ((bit & bitstring) ? 0x02 : 0), Serial_Command);
udelay(1);
}
ni_writeb(loadbit, Serial_Command);
udelay(1);
ni_writeb(0, Serial_Command);
}
static int ni_calib_insn_write(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
ni_write_caldac(dev, CR_CHAN(insn->chanspec), data[0]);
return 1;
}
static int ni_calib_insn_read(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
struct ni_private *devpriv = dev->private;
data[0] = devpriv->caldacs[CR_CHAN(insn->chanspec)];
return 1;
}
static void caldac_setup(struct comedi_device *dev, struct comedi_subdevice *s)
{
const struct ni_board_struct *board = comedi_board(dev);
struct ni_private *devpriv = dev->private;
int i, j;
int n_dacs;
int n_chans = 0;
int n_bits;
int diffbits = 0;
int type;
int chan;
type = board->caldac[0];
if (type == caldac_none)
return;
n_bits = caldacs[type].n_bits;
for (i = 0; i < 3; i++) {
type = board->caldac[i];
if (type == caldac_none)
break;
if (caldacs[type].n_bits != n_bits)
diffbits = 1;
n_chans += caldacs[type].n_chans;
}
n_dacs = i;
s->n_chan = n_chans;
if (diffbits) {
unsigned int *maxdata_list;
if (n_chans > MAX_N_CALDACS)
printk("BUG! MAX_N_CALDACS too small\n");
s->maxdata_list = maxdata_list = devpriv->caldac_maxdata_list;
chan = 0;
for (i = 0; i < n_dacs; i++) {
type = board->caldac[i];
for (j = 0; j < caldacs[type].n_chans; j++) {
maxdata_list[chan] =
(1 << caldacs[type].n_bits) - 1;
chan++;
}
}
for (chan = 0; chan < s->n_chan; chan++)
ni_write_caldac(dev, i, s->maxdata_list[i] / 2);
} else {
type = board->caldac[0];
s->maxdata = (1 << caldacs[type].n_bits) - 1;
for (chan = 0; chan < s->n_chan; chan++)
ni_write_caldac(dev, i, s->maxdata / 2);
}
}
static int ni_read_eeprom(struct comedi_device *dev, int addr)
{
struct ni_private *devpriv __maybe_unused = dev->private;
......@@ -4676,185 +4844,6 @@ static int ni_E_init(struct comedi_device *dev)
return 0;
}
static void ni_write_caldac(struct comedi_device *dev, int addr, int val);
/*
calibration subdevice
*/
static int ni_calib_insn_write(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
ni_write_caldac(dev, CR_CHAN(insn->chanspec), data[0]);
return 1;
}
static int ni_calib_insn_read(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
struct ni_private *devpriv = dev->private;
data[0] = devpriv->caldacs[CR_CHAN(insn->chanspec)];
return 1;
}
static int pack_mb88341(int addr, int val, int *bitstring)
{
/*
Fujitsu MB 88341
Note that address bits are reversed. Thanks to
Ingo Keen for noticing this.
Note also that the 88341 expects address values from
1-12, whereas we use channel numbers 0-11. The NI
docs use 1-12, also, so be careful here.
*/
addr++;
*bitstring = ((addr & 0x1) << 11) |
((addr & 0x2) << 9) |
((addr & 0x4) << 7) | ((addr & 0x8) << 5) | (val & 0xff);
return 12;
}
static int pack_dac8800(int addr, int val, int *bitstring)
{
*bitstring = ((addr & 0x7) << 8) | (val & 0xff);
return 11;
}
static int pack_dac8043(int addr, int val, int *bitstring)
{
*bitstring = val & 0xfff;
return 12;
}
static int pack_ad8522(int addr, int val, int *bitstring)
{
*bitstring = (val & 0xfff) | (addr ? 0xc000 : 0xa000);
return 16;
}
static int pack_ad8804(int addr, int val, int *bitstring)
{
*bitstring = ((addr & 0xf) << 8) | (val & 0xff);
return 12;
}
static int pack_ad8842(int addr, int val, int *bitstring)
{
*bitstring = ((addr + 1) << 8) | (val & 0xff);
return 12;
}
struct caldac_struct {
int n_chans;
int n_bits;
int (*packbits)(int, int, int *);
};
static struct caldac_struct caldacs[] = {
[mb88341] = {12, 8, pack_mb88341},
[dac8800] = {8, 8, pack_dac8800},
[dac8043] = {1, 12, pack_dac8043},
[ad8522] = {2, 12, pack_ad8522},
[ad8804] = {12, 8, pack_ad8804},
[ad8842] = {8, 8, pack_ad8842},
[ad8804_debug] = {16, 8, pack_ad8804},
};
static void caldac_setup(struct comedi_device *dev, struct comedi_subdevice *s)
{
const struct ni_board_struct *board = comedi_board(dev);
struct ni_private *devpriv = dev->private;
int i, j;
int n_dacs;
int n_chans = 0;
int n_bits;
int diffbits = 0;
int type;
int chan;
type = board->caldac[0];
if (type == caldac_none)
return;
n_bits = caldacs[type].n_bits;
for (i = 0; i < 3; i++) {
type = board->caldac[i];
if (type == caldac_none)
break;
if (caldacs[type].n_bits != n_bits)
diffbits = 1;
n_chans += caldacs[type].n_chans;
}
n_dacs = i;
s->n_chan = n_chans;
if (diffbits) {
unsigned int *maxdata_list;
if (n_chans > MAX_N_CALDACS)
printk("BUG! MAX_N_CALDACS too small\n");
s->maxdata_list = maxdata_list = devpriv->caldac_maxdata_list;
chan = 0;
for (i = 0; i < n_dacs; i++) {
type = board->caldac[i];
for (j = 0; j < caldacs[type].n_chans; j++) {
maxdata_list[chan] =
(1 << caldacs[type].n_bits) - 1;
chan++;
}
}
for (chan = 0; chan < s->n_chan; chan++)
ni_write_caldac(dev, i, s->maxdata_list[i] / 2);
} else {
type = board->caldac[0];
s->maxdata = (1 << caldacs[type].n_bits) - 1;
for (chan = 0; chan < s->n_chan; chan++)
ni_write_caldac(dev, i, s->maxdata / 2);
}
}
static void ni_write_caldac(struct comedi_device *dev, int addr, int val)
{
const struct ni_board_struct *board = comedi_board(dev);
struct ni_private *devpriv = dev->private;
unsigned int loadbit = 0, bits = 0, bit, bitstring = 0;
int i;
int type;
/* printk("ni_write_caldac: chan=%d val=%d\n",addr,val); */
if (devpriv->caldacs[addr] == val)
return;
devpriv->caldacs[addr] = val;
for (i = 0; i < 3; i++) {
type = board->caldac[i];
if (type == caldac_none)
break;
if (addr < caldacs[type].n_chans) {
bits = caldacs[type].packbits(addr, val, &bitstring);
loadbit = SerDacLd(i);
/* printk("caldac: using i=%d addr=%d %x\n",i,addr,bitstring); */
break;
}
addr -= caldacs[type].n_chans;
}
for (bit = 1 << (bits - 1); bit; bit >>= 1) {
ni_writeb(((bit & bitstring) ? 0x02 : 0), Serial_Command);
udelay(1);
ni_writeb(1 | ((bit & bitstring) ? 0x02 : 0), Serial_Command);
udelay(1);
}
ni_writeb(loadbit, Serial_Command);
udelay(1);
ni_writeb(0, Serial_Command);
}
#if 0
/*
* Read the GPCTs current value.
......
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