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>
diff --git a/drivers/video/via/via-core.c b/drivers/video/via/via-core.c
index 42be3d9..86bd719 100644
--- a/drivers/video/via/via-core.c
+++ b/drivers/video/via/via-core.c
@@ -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.
@@ -31,6 +32,19 @@
};
/*
+ * 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 @@
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)