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Commit 2f0f395e authored by Aaro Koskinen's avatar Aaro Koskinen Committed by Greg Kroah-Hartman
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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: default avatarAaro Koskinen <aaro.koskinen@iki.fi>
Reviewed-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent ee055a48

drivers/staging/xgifb/vb_init.c

+15 −17
Original line number Diff line number Diff line
@@ -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);

drivers/staging/xgifb/vb_struct.h

+1 −0
Original line number Diff line number Diff line
@@ -395,6 +395,7 @@ struct vb_device_info { 


	int ram_type;

	int ram_channel;

	int ram_bus;

};  /* _struct vb_device_info */



#endif /* _VB_STRUCT_ */