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authorFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>2010-08-10 02:44:44 +0000
committerFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>2010-09-24 02:14:50 +0000
commit18d9dc08b22145adb248d16dd2cefb2ccf9f7665 (patch)
treed08dc3ce61e4f1c0cc69d5d876ed8e32a1377708 /drivers/video/via/hw.c
parent661c65cd0ce180d5e3a3e05f08fc9e64cedcf91c (diff)
viafb: add new output device management
This patch adds a new output device management that stores for each IGA which output devices are routed to it and a compatiblity layer that converts the old per-output device values in the new format. Bounding the output devices to each IGA is a central idea of the cleanup. Doing it this way should be easier and make much more sense than the old format which happily mixed different output devices together and did not even take into account that some devices are no longer available on newer chipsets. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Cc: Joseph Chan <JosephChan@via.com.tw>
Diffstat (limited to 'drivers/video/via/hw.c')
-rw-r--r--drivers/video/via/hw.c102
1 files changed, 102 insertions, 0 deletions
diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c
index 638cf96c8739..30cc2f0961e3 100644
--- a/drivers/video/via/hw.c
+++ b/drivers/video/via/hw.c
@@ -753,6 +753,66 @@ void write_dac_reg(u8 index, u8 r, u8 g, u8 b)
outb(b, LUT_DATA);
}
+static u32 get_dvi_devices(int output_interface)
+{
+ switch (output_interface) {
+ case INTERFACE_DVP0:
+ return VIA_96 | VIA_6C;
+
+ case INTERFACE_DVP1:
+ if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
+ return VIA_93;
+ else
+ return VIA_DVP1;
+
+ case INTERFACE_DFP_HIGH:
+ if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
+ return 0;
+ else
+ return VIA_LVDS2 | VIA_96;
+
+ case INTERFACE_DFP_LOW:
+ if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
+ return 0;
+ else
+ return VIA_DVP1 | VIA_LVDS1;
+
+ case INTERFACE_TMDS:
+ return VIA_LVDS1;
+ }
+
+ return 0;
+}
+
+static u32 get_lcd_devices(int output_interface)
+{
+ switch (output_interface) {
+ case INTERFACE_DVP0:
+ return VIA_96;
+
+ case INTERFACE_DVP1:
+ return VIA_DVP1;
+
+ case INTERFACE_DFP_HIGH:
+ return VIA_LVDS2 | VIA_96;
+
+ case INTERFACE_DFP_LOW:
+ return VIA_LVDS1 | VIA_DVP1;
+
+ case INTERFACE_DFP:
+ return VIA_LVDS1 | VIA_LVDS2;
+
+ case INTERFACE_LVDS0:
+ case INTERFACE_LVDS0LVDS1:
+ return VIA_LVDS1;
+
+ case INTERFACE_LVDS1:
+ return VIA_LVDS2;
+ }
+
+ return 0;
+}
+
/*Set IGA path for each device*/
void viafb_set_iga_path(void)
{
@@ -819,6 +879,48 @@ void viafb_set_iga_path(void)
viaparinfo->tmds_setting_info->iga_path = IGA1;
}
}
+
+ viaparinfo->shared->iga1_devices = 0;
+ viaparinfo->shared->iga2_devices = 0;
+ if (viafb_CRT_ON) {
+ if (viaparinfo->crt_setting_info->iga_path == IGA1)
+ viaparinfo->shared->iga1_devices |= VIA_CRT;
+ else
+ viaparinfo->shared->iga2_devices |= VIA_CRT;
+ }
+
+ if (viafb_DVI_ON) {
+ if (viaparinfo->tmds_setting_info->iga_path == IGA1)
+ viaparinfo->shared->iga1_devices |= get_dvi_devices(
+ viaparinfo->chip_info->
+ tmds_chip_info.output_interface);
+ else
+ viaparinfo->shared->iga2_devices |= get_dvi_devices(
+ viaparinfo->chip_info->
+ tmds_chip_info.output_interface);
+ }
+
+ if (viafb_LCD_ON) {
+ if (viaparinfo->lvds_setting_info->iga_path == IGA1)
+ viaparinfo->shared->iga1_devices |= get_lcd_devices(
+ viaparinfo->chip_info->
+ lvds_chip_info.output_interface);
+ else
+ viaparinfo->shared->iga2_devices |= get_lcd_devices(
+ viaparinfo->chip_info->
+ lvds_chip_info.output_interface);
+ }
+
+ if (viafb_LCD2_ON) {
+ if (viaparinfo->lvds_setting_info2->iga_path == IGA1)
+ viaparinfo->shared->iga1_devices |= get_lcd_devices(
+ viaparinfo->chip_info->
+ lvds_chip_info2.output_interface);
+ else
+ viaparinfo->shared->iga2_devices |= get_lcd_devices(
+ viaparinfo->chip_info->
+ lvds_chip_info2.output_interface);
+ }
}
static void set_color_register(u8 index, u8 red, u8 green, u8 blue)