[PATCH 20/23] staging: xgifb: move XGINew_ChannelAB into vb_device_info
Aaro Koskinen
aaro.koskinen at iki.fi
Sun Oct 9 16:43:04 UTC 2011
Move the memory channel info into vb_device_info.
Signed-off-by: Aaro Koskinen <aaro.koskinen at iki.fi>
---
drivers/staging/xgifb/vb_init.c | 52 ++++++++++++++++++------------------
drivers/staging/xgifb/vb_struct.h | 1 +
2 files changed, 27 insertions(+), 26 deletions(-)
diff --git a/drivers/staging/xgifb/vb_init.c b/drivers/staging/xgifb/vb_init.c
index 58b2330..036d1e4 100644
--- a/drivers/staging/xgifb/vb_init.c
+++ b/drivers/staging/xgifb/vb_init.c
@@ -15,7 +15,7 @@
#include <linux/io.h>
-static unsigned char XGINew_ChannelAB, XGINew_DataBusWidth;
+static unsigned char XGINew_DataBusWidth;
static unsigned short XGINew_DDRDRAM_TYPE340[4][5] = {
{ 2, 13, 9, 64, 0x45},
@@ -619,10 +619,10 @@ static unsigned short XGINew_SetDRAMSizeReg(int index,
data = 0;
- if (XGINew_ChannelAB == 3)
+ if (pVBInfo->ram_channel == 3)
ChannelNo = 4;
else
- ChannelNo = XGINew_ChannelAB;
+ ChannelNo = pVBInfo->ram_channel;
if (ChannelNo * RankSize <= 256) {
while ((RankSize >>= 1) > 0)
@@ -636,7 +636,7 @@ static unsigned short XGINew_SetDRAMSizeReg(int index,
(xgifb_reg_get(pVBInfo->P3c4, 0x14) & 0x0F) |
(data & 0xF0));
- /* data |= XGINew_ChannelAB << 2; */
+ /* data |= pVBInfo->ram_channel << 2; */
/* data |= (XGINew_DataBusWidth / 64) << 1; */
/* xgifb_reg_set(pVBInfo->P3c4, 0x14, data); */
@@ -663,10 +663,10 @@ static unsigned short XGINew_SetDRAMSize20Reg(int index,
data = 0;
- if (XGINew_ChannelAB == 3)
+ if (pVBInfo->ram_channel == 3)
ChannelNo = 4;
else
- ChannelNo = XGINew_ChannelAB;
+ ChannelNo = pVBInfo->ram_channel;
if (ChannelNo * RankSize <= 256) {
while ((RankSize >>= 1) > 0)
@@ -681,7 +681,7 @@ static unsigned short XGINew_SetDRAMSize20Reg(int index,
(data & 0xF0));
udelay(15);
- /* data |= XGINew_ChannelAB << 2; */
+ /* data |= pVBInfo->ram_channel << 2; */
/* data |= (XGINew_DataBusWidth / 64) << 1; */
/* xgifb_reg_set(pVBInfo->P3c4, 0x14, data); */
@@ -746,7 +746,7 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
case XG21:
data = xgifb_reg_get(pVBInfo->P3d4, 0x97);
data = data & 0x01;
- XGINew_ChannelAB = 1; /* XG20 "JUST" one channel */
+ pVBInfo->ram_channel = 1; /* XG20 "JUST" one channel */
if (data == 0) { /* Single_32_16 */
@@ -851,20 +851,20 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
case XG27:
XGINew_DataBusWidth = 16; /* 16 bits */
- XGINew_ChannelAB = 1; /* Single channel */
+ pVBInfo->ram_channel = 1; /* Single channel */
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x51); /* 32Mx16 bit*/
break;
case XG41:
if (XGINew_CheckFrequence(pVBInfo) == 1) {
XGINew_DataBusWidth = 32; /* 32 bits */
- XGINew_ChannelAB = 3; /* Quad Channel */
+ pVBInfo->ram_channel = 3; /* Quad Channel */
xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xA1);
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x4C);
if (XGINew_ReadWriteRest(25, 23, pVBInfo) == 1)
return;
- XGINew_ChannelAB = 2; /* Dual channels */
+ pVBInfo->ram_channel = 2; /* Dual channels */
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x48);
if (XGINew_ReadWriteRest(24, 23, pVBInfo) == 1)
@@ -875,7 +875,7 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
if (XGINew_ReadWriteRest(24, 23, pVBInfo) == 1)
return;
- XGINew_ChannelAB = 3;
+ pVBInfo->ram_channel = 3;
xgifb_reg_set(pVBInfo->P3c4, 0x13, 0x21);
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x3C);
@@ -890,14 +890,14 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x39);
} else { /* DDR */
XGINew_DataBusWidth = 64; /* 64 bits */
- XGINew_ChannelAB = 2; /* Dual channels */
+ pVBInfo->ram_channel = 2; /* Dual channels */
xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xA1);
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x5A);
if (XGINew_ReadWriteRest(25, 24, pVBInfo) == 1)
return;
- XGINew_ChannelAB = 1; /* Single channels */
+ pVBInfo->ram_channel = 1; /* Single channels */
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x52);
if (XGINew_ReadWriteRest(24, 23, pVBInfo) == 1)
@@ -908,14 +908,14 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
if (XGINew_ReadWriteRest(24, 23, pVBInfo) == 1)
return;
- XGINew_ChannelAB = 2; /* Dual channels */
+ pVBInfo->ram_channel = 2; /* Dual channels */
xgifb_reg_set(pVBInfo->P3c4, 0x13, 0x21);
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x4A);
if (XGINew_ReadWriteRest(24, 23, pVBInfo) == 1)
return;
- XGINew_ChannelAB = 1; /* Single channels */
+ pVBInfo->ram_channel = 1; /* Single channels */
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x42);
if (XGINew_ReadWriteRest(8, 4, pVBInfo) == 1)
@@ -936,7 +936,7 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
*/
if (XGINew_CheckFrequence(pVBInfo) == 1) { /* DDRII, DDR2x */
XGINew_DataBusWidth = 32; /* 32 bits */
- XGINew_ChannelAB = 2; /* 2 Channel */
+ pVBInfo->ram_channel = 2; /* 2 Channel */
xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xA1);
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x44);
@@ -948,7 +948,7 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
if (XGINew_ReadWriteRest(23, 22, pVBInfo) == 1)
return;
- XGINew_ChannelAB = 1; /* Single Channel */
+ pVBInfo->ram_channel = 1; /* Single Channel */
xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xA1);
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x40);
@@ -960,7 +960,7 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
}
} else { /* DDR */
XGINew_DataBusWidth = 64; /* 64 bits */
- XGINew_ChannelAB = 1; /* 1 channels */
+ pVBInfo->ram_channel = 1; /* 1 channels */
xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xA1);
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x52);
@@ -978,14 +978,14 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
if (XGINew_CheckFrequence(pVBInfo) == 1) { /* DDRII */
XGINew_DataBusWidth = 32; /* 32 bits */
- XGINew_ChannelAB = 3;
+ pVBInfo->ram_channel = 3;
xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xA1);
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x4C);
if (XGINew_ReadWriteRest(25, 23, pVBInfo) == 1)
return;
- XGINew_ChannelAB = 2; /* 2 channels */
+ pVBInfo->ram_channel = 2; /* 2 channels */
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x48);
if (XGINew_ReadWriteRest(24, 23, pVBInfo) == 1)
@@ -995,14 +995,14 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x3C);
if (XGINew_ReadWriteRest(24, 23, pVBInfo) == 1) {
- XGINew_ChannelAB = 3; /* 4 channels */
+ pVBInfo->ram_channel = 3; /* 4 channels */
} else {
- XGINew_ChannelAB = 2; /* 2 channels */
+ pVBInfo->ram_channel = 2; /* 2 channels */
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x38);
}
} else { /* DDR */
XGINew_DataBusWidth = 64; /* 64 bits */
- XGINew_ChannelAB = 2; /* 2 channels */
+ pVBInfo->ram_channel = 2; /* 2 channels */
xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xA1);
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x5A);
@@ -1038,7 +1038,7 @@ static int XGINew_DDRSizing340(struct xgi_hw_device_info *HwDeviceExtension,
if (memsize == 0)
continue;
- addr = memsize + (XGINew_ChannelAB - 2) + 20;
+ addr = memsize + (pVBInfo->ram_channel - 2) + 20;
if ((HwDeviceExtension->ulVideoMemorySize - 1) <
(unsigned long) (1 << addr))
continue;
@@ -1058,7 +1058,7 @@ static int XGINew_DDRSizing340(struct xgi_hw_device_info *HwDeviceExtension,
if (memsize == 0)
continue;
- addr = memsize + (XGINew_ChannelAB - 2) + 20;
+ addr = memsize + (pVBInfo->ram_channel - 2) + 20;
if ((HwDeviceExtension->ulVideoMemorySize - 1) <
(unsigned long) (1 << addr))
continue;
diff --git a/drivers/staging/xgifb/vb_struct.h b/drivers/staging/xgifb/vb_struct.h
index 7b1edb9..c50eb7e 100644
--- a/drivers/staging/xgifb/vb_struct.h
+++ b/drivers/staging/xgifb/vb_struct.h
@@ -394,6 +394,7 @@ struct vb_device_info {
struct XGI_XG21CRT1Struct *UpdateCRT1;
int ram_type;
+ int ram_channel;
}; /* _struct vb_device_info */
#endif /* _VB_STRUCT_ */
--
1.7.2.5
More information about the devel
mailing list