diff options
| author | Angel Pons <th3fanbus@gmail.com> | 2021-06-06 19:20:48 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-06-10 05:38:13 +0000 |
| commit | bb8d00d8f74ebb0d2358386fed90ee68cb98d9b3 (patch) | |
| tree | 3c74f4280afff658a675205a66d96e85dbb8859a /src | |
| parent | 29bc62475bc4db8c906dbce71ef8766cffc30ead (diff) | |
device/pnp: Always provide `pnp_unset_and_set_config`
The `pnp_unset_and_set_config` function was only available when building
with `ENV_PNP_SIMPLE_DEVICE` set. Add the complementary definition using
device pointers, for the sake of completeness.
Change-Id: I2a21e635f41f3f786057500fa96a2b3116e30d76
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55255
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Máté Kukri <kukri.mate@gmail.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Diffstat (limited to 'src')
| -rw-r--r-- | src/device/pnp_device.c | 9 | ||||
| -rw-r--r-- | src/include/device/pnp.h | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/src/device/pnp_device.c b/src/device/pnp_device.c index 259d449752..699007d9ba 100644 --- a/src/device/pnp_device.c +++ b/src/device/pnp_device.c @@ -47,6 +47,15 @@ u8 pnp_read_config(struct device *dev, u8 reg) return inb(dev->path.pnp.port + 1); } +void pnp_unset_and_set_config(struct device *dev, u8 reg, u8 unset, u8 set) +{ + outb(reg, dev->path.pnp.port); + u8 value = inb(dev->path.pnp.port + 1); + value &= ~unset; + value |= set; + outb(value, dev->path.pnp.port + 1); +} + void pnp_set_logical_device(struct device *dev) { pnp_write_config(dev, 0x07, dev->path.pnp.device & 0xff); diff --git a/src/include/device/pnp.h b/src/include/device/pnp.h index 955eac29ac..770a640963 100644 --- a/src/include/device/pnp.h +++ b/src/include/device/pnp.h @@ -13,6 +13,7 @@ /* Primitive PNP resource manipulation */ void pnp_write_config(struct device *dev, u8 reg, u8 value); u8 pnp_read_config(struct device *dev, u8 reg); +void pnp_unset_and_set_config(struct device *dev, u8 reg, u8 unset, u8 set); void pnp_set_logical_device(struct device *dev); void pnp_set_enable(struct device *dev, int enable); int pnp_read_enable(struct device *dev); |