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viafb: Add OLPC XO-1.5 port configs 

The OLPC XO-1.5 does not use the standard port wiring suggested
in the viafb driver.

This is required for the upcoming OLPC DCON and via-camera drivers,
to be submitted soon.

Signed-off-by: Daniel Drake <dsd@laptop.org>
[fts: removed useless ifdef's and corrected comment]
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
This commit is contained in:
Daniel Drake 2010-09-21 16:37:26 +01:00 committed by Florian Tobias Schandinat
parent 67eb6f9617
commit b884a94ed1
1 changed files with 17 additions and 0 deletions
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17
drivers/video/via/via-core.c
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@ -17,6 +17,7 @@
#include <linux/platform_device.h>
#include <linux/list.h>
#include <linux/pm.h>
#include <asm/olpc.h>
/*
* The default port config.
@ -30,6 +31,19 @@ static struct via_port_cfg adap_configs[] = {
{ 0, 0, 0, 0 }
};
/*
* The OLPC XO-1.5 puts the camera power and reset lines onto
* GPIO 2C.
*/
static const struct via_port_cfg olpc_adap_configs[] = {
[VIA_PORT_26] = { VIA_PORT_I2C, VIA_MODE_I2C, VIASR, 0x26 },
[VIA_PORT_31] = { VIA_PORT_I2C, VIA_MODE_I2C, VIASR, 0x31 },
[VIA_PORT_25] = { VIA_PORT_GPIO, VIA_MODE_GPIO, VIASR, 0x25 },
[VIA_PORT_2C] = { VIA_PORT_GPIO, VIA_MODE_GPIO, VIASR, 0x2c },
[VIA_PORT_3D] = { VIA_PORT_GPIO, VIA_MODE_GPIO, VIASR, 0x3d },
{ 0, 0, 0, 0 }
};
/*
* We currently only support one viafb device (will there ever be
* more than one?), so just declare it globally here.
@ -654,6 +668,9 @@ static int __devinit via_pci_probe(struct pci_dev *pdev,
global_dev.pdev = pdev;
global_dev.chip_type = ent->driver_data;
global_dev.port_cfg = adap_configs;
if (machine_is_olpc())
global_dev.port_cfg = olpc_adap_configs;
spin_lock_init(&global_dev.reg_lock);
ret = via_pci_setup_mmio(&global_dev);
if (ret)