diff options
author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2014-05-29 10:56:32 -0700 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-06-18 14:56:45 -0700 |
commit | 9c340ac934dbbfd46e776465b08391baac32d486 (patch) | |
tree | 35dab4ac9042f21f091f59a9ab5954f67a3e9f63 /drivers/staging/comedi/drivers/ni_mio_cs.c | |
parent | 9588fa8fe908c5501de5076de9a0c9d44ef737ec (diff) |
staging: comedi: ni_stc.h: add read/write callbacks to struct ni_private
The {read,write}[bwl] macros used to access the registers in the ni_atmio,
ni_mio_cs, and ni_pcimio drivers and the included ni_mio_common.c file all
rely on a local variable having a specific name. They also require some of
the ni_mio_common code to need a __maybe_unused tag on the devpriv local
variable.
Remove all the macros by converting them into private functions and storing
the callbacks in the private data.
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>
Diffstat (limited to 'drivers/staging/comedi/drivers/ni_mio_cs.c')
-rw-r--r-- | drivers/staging/comedi/drivers/ni_mio_cs.c | 55 |
1 files changed, 43 insertions, 12 deletions
diff --git a/drivers/staging/comedi/drivers/ni_mio_cs.c b/drivers/staging/comedi/drivers/ni_mio_cs.c index e0945f72a869..d61baffb4bf0 100644 --- a/drivers/staging/comedi/drivers/ni_mio_cs.c +++ b/drivers/staging/comedi/drivers/ni_mio_cs.c @@ -143,12 +143,35 @@ static const struct ni_board_struct ni_boards[] = { /* How we access registers */ -#define ni_writel(a, b) (outl((a), (b)+dev->iobase)) -#define ni_readl(a) (inl((a)+dev->iobase)) -#define ni_writew(a, b) (outw((a), (b)+dev->iobase)) -#define ni_readw(a) (inw((a)+dev->iobase)) -#define ni_writeb(a, b) (outb((a), (b)+dev->iobase)) -#define ni_readb(a) (inb((a)+dev->iobase)) +static uint8_t mio_cs_inb(struct comedi_device *dev, int reg) +{ + return inb(dev->iobase + reg); +} + +static uint16_t mio_cs_inw(struct comedi_device *dev, int reg) +{ + return inw(dev->iobase + reg); +} + +static uint32_t mio_cs_inl(struct comedi_device *dev, int reg) +{ + return inl(dev->iobase + reg); +} + +static void mio_cs_outb(struct comedi_device *dev, uint8_t val, int reg) +{ + outb(val, dev->iobase + reg); +} + +static void mio_cs_outw(struct comedi_device *dev, uint16_t val, int reg) +{ + outw(val, dev->iobase + reg); +} + +static void mio_cs_outl(struct comedi_device *dev, uint32_t val, int reg) +{ + outl(val, dev->iobase + reg); +} /* How we access windowed registers */ @@ -163,10 +186,10 @@ static void mio_cs_win_out(struct comedi_device *dev, uint16_t data, int addr) spin_lock_irqsave(&devpriv->window_lock, flags); if (addr < 8) { - ni_writew(data, addr * 2); + devpriv->writew(dev, data, addr * 2); } else { - ni_writew(addr, Window_Address); - ni_writew(data, Window_Data); + devpriv->writew(dev, addr, Window_Address); + devpriv->writew(dev, data, Window_Data); } spin_unlock_irqrestore(&devpriv->window_lock, flags); } @@ -179,10 +202,10 @@ static uint16_t mio_cs_win_in(struct comedi_device *dev, int addr) spin_lock_irqsave(&devpriv->window_lock, flags); if (addr < 8) { - ret = ni_readw(addr * 2); + ret = devpriv->readw(dev, addr * 2); } else { - ni_writew(addr, Window_Address); - ret = ni_readw(Window_Data); + devpriv->writew(dev, addr, Window_Address); + ret = devpriv->readw(dev, Window_Data); } spin_unlock_irqrestore(&devpriv->window_lock, flags); @@ -252,6 +275,14 @@ static int mio_cs_auto_attach(struct comedi_device *dev, return ret; devpriv = dev->private; + + devpriv->readb = mio_cs_inb; + devpriv->readw = mio_cs_inw; + devpriv->readl = mio_cs_inl; + devpriv->writeb = mio_cs_outb; + devpriv->writew = mio_cs_outw; + devpriv->writel = mio_cs_outl; + devpriv->stc_writew = mio_cs_win_out; devpriv->stc_readw = mio_cs_win_in; devpriv->stc_writel = win_out2; |