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staging: xgifb: move XGINew_DataBusWidth into vb_device_info 

Move the memory bus width info to vb_device_info.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Aaro Koskinen 2011-10-11 21:47:33 +03:00 committed by Greg Kroah-Hartman
parent ee055a48ce
commit 2f0f395ef7
2 changed files with 16 additions and 17 deletions
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32
drivers/staging/xgifb/vb_init.c
View File

@ -15,8 +15,6 @@
#include <linux/io.h>
static unsigned char XGINew_DataBusWidth;
static unsigned short XGINew_DDRDRAM_TYPE340[4][5] = {
{ 2, 13, 9, 64, 0x45},
{ 2, 12, 9, 32, 0x35},
@ -610,7 +608,7 @@ static unsigned short XGINew_SetDRAMSizeReg(int index,
int RankSize;
unsigned char ChannelNo;
RankSize = DRAMTYPE_TABLE[index][3] * XGINew_DataBusWidth / 32;
RankSize = DRAMTYPE_TABLE[index][3] * pVBInfo->ram_bus / 32;
data = xgifb_reg_get(pVBInfo->P3c4, 0x13);
data &= 0x80;
@ -637,7 +635,7 @@ static unsigned short XGINew_SetDRAMSizeReg(int index,
(data & 0xF0));
/* data |= pVBInfo->ram_channel << 2; */
/* data |= (XGINew_DataBusWidth / 64) << 1; */
/* data |= (pVBInfo->ram_bus / 64) << 1; */
/* xgifb_reg_set(pVBInfo->P3c4, 0x14, data); */
/* should delay */
@ -654,7 +652,7 @@ static unsigned short XGINew_SetDRAMSize20Reg(int index,
int RankSize;
unsigned char ChannelNo;
RankSize = DRAMTYPE_TABLE[index][3] * XGINew_DataBusWidth / 8;
RankSize = DRAMTYPE_TABLE[index][3] * pVBInfo->ram_bus / 8;
data = xgifb_reg_get(pVBInfo->P3c4, 0x13);
data &= 0x80;
@ -682,7 +680,7 @@ static unsigned short XGINew_SetDRAMSize20Reg(int index,
udelay(15);
/* data |= pVBInfo->ram_channel << 2; */
/* data |= (XGINew_DataBusWidth / 64) << 1; */
/* data |= (pVBInfo->ram_bus / 64) << 1; */
/* xgifb_reg_set(pVBInfo->P3c4, 0x14, data); */
/* should delay */
@ -753,7 +751,7 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
if ((HwDeviceExtension->ulVideoMemorySize - 1)
> 0x1000000) {
XGINew_DataBusWidth = 32; /* 32 bits */
pVBInfo->ram_bus = 32; /* 32 bits */
/* 22bit + 2 rank + 32bit */
xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xB1);
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x52);
@ -782,7 +780,7 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
if ((HwDeviceExtension->ulVideoMemorySize - 1) >
0x800000) {
XGINew_DataBusWidth = 16; /* 16 bits */
pVBInfo->ram_bus = 16; /* 16 bits */
/* 22bit + 2 rank + 16bit */
xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xB1);
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x41);
@ -800,7 +798,7 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
} else { /* Dual_16_8 */
if ((HwDeviceExtension->ulVideoMemorySize - 1) >
0x800000) {
XGINew_DataBusWidth = 16; /* 16 bits */
pVBInfo->ram_bus = 16; /* 16 bits */
/* (0x31:12x8x2) 22bit + 2 rank */
xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xB1);
/* 0x41:16Mx16 bit*/
@ -831,7 +829,7 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
if ((HwDeviceExtension->ulVideoMemorySize - 1) >
0x400000) {
XGINew_DataBusWidth = 8; /* 8 bits */
pVBInfo->ram_bus = 8; /* 8 bits */
/* (0x31:12x8x2) 22bit + 2 rank */
xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xB1);
/* 0x30:8Mx8 bit*/
@ -850,13 +848,13 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
break;
case XG27:
XGINew_DataBusWidth = 16; /* 16 bits */
pVBInfo->ram_bus = 16; /* 16 bits */
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 */
pVBInfo->ram_bus = 32; /* 32 bits */
pVBInfo->ram_channel = 3; /* Quad Channel */
xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xA1);
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x4C);
@ -889,7 +887,7 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
else
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x39);
} else { /* DDR */
XGINew_DataBusWidth = 64; /* 64 bits */
pVBInfo->ram_bus = 64; /* 64 bits */
pVBInfo->ram_channel = 2; /* Dual channels */
xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xA1);
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x5A);
@ -935,7 +933,7 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
It's Different from Other XG40 Series.
*/
if (XGINew_CheckFrequence(pVBInfo) == 1) { /* DDRII, DDR2x */
XGINew_DataBusWidth = 32; /* 32 bits */
pVBInfo->ram_bus = 32; /* 32 bits */
pVBInfo->ram_channel = 2; /* 2 Channel */
xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xA1);
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x44);
@ -959,7 +957,7 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x30);
}
} else { /* DDR */
XGINew_DataBusWidth = 64; /* 64 bits */
pVBInfo->ram_bus = 64; /* 64 bits */
pVBInfo->ram_channel = 1; /* 1 channels */
xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xA1);
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x52);
@ -977,7 +975,7 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
default: /* XG40 */
if (XGINew_CheckFrequence(pVBInfo) == 1) { /* DDRII */
XGINew_DataBusWidth = 32; /* 32 bits */
pVBInfo->ram_bus = 32; /* 32 bits */
pVBInfo->ram_channel = 3;
xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xA1);
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x4C);
@ -1001,7 +999,7 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x38);
}
} else { /* DDR */
XGINew_DataBusWidth = 64; /* 64 bits */
pVBInfo->ram_bus = 64; /* 64 bits */
pVBInfo->ram_channel = 2; /* 2 channels */
xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xA1);
xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x5A);

1
drivers/staging/xgifb/vb_struct.h
View File

@ -395,6 +395,7 @@ struct vb_device_info {
int ram_type;
int ram_channel;
int ram_bus;
}; /* _struct vb_device_info */
#endif /* _VB_STRUCT_ */