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Commit 1c8b02d9 authored by Antonino Daplas's avatar Antonino Daplas Committed by Linus Torvalds
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[PATCH] fbdev: Fix IO access in rivafb (part 2) 

Convert direct pointer manipulation to NV_RD*/NV_WR* in nv_driver.c
Signed-off-by: default avatarAntonino Daplas <adaplas@pol.net>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 8a2f80b9
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Showing with 49 additions and 38 deletions
drivers/video/riva/nv_driver.c
View file @ 1c8b02d9
......@@ -56,32 +56,33 @@ static inline unsigned char MISCin(struct riva_par *par)
static Bool
riva_is_connected(struct riva_par *par, Bool second)
{
volatile U032 *PRAMDAC = par->riva.PRAMDAC0;
volatile U032 __iomem *PRAMDAC = par->riva.PRAMDAC0;
U032 reg52C, reg608;
Bool present;
if(second) PRAMDAC += 0x800;
reg52C = PRAMDAC[0x052C/4];
reg608 = PRAMDAC[0x0608/4];
reg52C = NV_RD32(PRAMDAC, 0x052C);
reg608 = NV_RD32(PRAMDAC, 0x0608);
PRAMDAC[0x0608/4] = reg608 & ~0x00010000;
NV_WR32(PRAMDAC, 0x0608, reg608 & ~0x00010000);
PRAMDAC[0x052C/4] = reg52C & 0x0000FEEE;
NV_WR32(PRAMDAC, 0x052C, reg52C & 0x0000FEEE);
mdelay(1);
PRAMDAC[0x052C/4] |= 1;
NV_WR32(PRAMDAC, 0x052C, NV_RD32(PRAMDAC, 0x052C) | 1);
par->riva.PRAMDAC0[0x0610/4] = 0x94050140;
par->riva.PRAMDAC0[0x0608/4] |= 0x00001000;
NV_WR32(par->riva.PRAMDAC0, 0x0610, 0x94050140);
NV_WR32(par->riva.PRAMDAC0, 0x0608, 0x00001000);
mdelay(1);
present = (PRAMDAC[0x0608/4] & (1 << 28)) ? TRUE : FALSE;
present = (NV_RD32(PRAMDAC, 0x0608) & (1 << 28)) ? TRUE : FALSE;
par->riva.PRAMDAC0[0x0608/4] &= 0x0000EFFF;
NV_WR32(par->riva.PRAMDAC0, 0x0608,
NV_RD32(par->riva.PRAMDAC0, 0x0608) & 0x0000EFFF);
PRAMDAC[0x052C/4] = reg52C;
PRAMDAC[0x0608/4] = reg608;
NV_WR32(PRAMDAC, 0x052C, reg52C);
NV_WR32(PRAMDAC, 0x0608, reg608);
return present;
}
......@@ -139,13 +140,14 @@ riva_is_second(struct riva_par *par)
}
} else {
if(riva_is_connected(par, 0)) {
if(par->riva.PRAMDAC0[0x0000052C/4] & 0x100)
if (NV_RD32(par->riva.PRAMDAC0, 0x0000052C) & 0x100)
par->SecondCRTC = TRUE;
else
par->SecondCRTC = FALSE;
} else
if (riva_is_connected(par, 1)) {
if(par->riva.PRAMDAC0[0x0000252C/4] & 0x100)
if(NV_RD32(par->riva.PRAMDAC0, 0x0000252C) & 0x100)
par->SecondCRTC = TRUE;
else
par->SecondCRTC = FALSE;
......@@ -165,13 +167,13 @@ unsigned long riva_get_memlen(struct riva_par *par)
switch (chip->Architecture) {
case NV_ARCH_03:
if (chip->PFB[0x00000000/4] & 0x00000020) {
if (((chip->PMC[0x00000000/4] & 0xF0) == 0x20)
&& ((chip->PMC[0x00000000/4] & 0x0F) >= 0x02)) {
if (NV_RD32(chip->PFB, 0x00000000) & 0x00000020) {
if (((NV_RD32(chip->PMC, 0x00000000) & 0xF0) == 0x20)
&& ((NV_RD32(chip->PMC, 0x00000000)&0x0F)>=0x02)) {
/*
* SDRAM 128 ZX.
*/
switch (chip->PFB[0x00000000/4] & 0x03) {
switch (NV_RD32(chip->PFB,0x00000000) & 0x03) {
case 2:
memlen = 1024 * 4;
break;
......@@ -189,7 +191,7 @@ unsigned long riva_get_memlen(struct riva_par *par)
/*
* SGRAM 128.
*/
switch (chip->PFB[0x00000000/4] & 0x00000003) {
switch (NV_RD32(chip->PFB, 0x00000000) & 0x00000003) {
case 0:
memlen = 1024 * 8;
break;
......@@ -203,11 +205,11 @@ unsigned long riva_get_memlen(struct riva_par *par)
}
break;
case NV_ARCH_04:
if (chip->PFB[0x00000000/4] & 0x00000100) {
memlen = ((chip->PFB[0x00000000/4] >> 12) & 0x0F) *
if (NV_RD32(chip->PFB, 0x00000000) & 0x00000100) {
memlen = ((NV_RD32(chip->PFB, 0x00000000)>>12)&0x0F) *
1024 * 2 + 1024 * 2;
} else {
switch (chip->PFB[0x00000000/4] & 0x00000003) {
switch (NV_RD32(chip->PFB, 0x00000000) & 0x00000003) {
case 0:
memlen = 1024 * 32;
break;
......@@ -237,7 +239,8 @@ unsigned long riva_get_memlen(struct riva_par *par)
pci_read_config_dword(dev, 0x84, &amt);
memlen = (((amt >> 4) & 127) + 1) * 1024;
} else {
switch ((chip->PFB[0x0000020C/4] >> 20) & 0x000000FF){
switch ((NV_RD32(chip->PFB, 0x0000020C) >> 20) &
0x000000FF){
case 0x02:
memlen = 1024 * 2;
break;
......@@ -276,9 +279,9 @@ unsigned long riva_get_maxdclk(struct riva_par *par)
switch (chip->Architecture) {
case NV_ARCH_03:
if (chip->PFB[0x00000000/4] & 0x00000020) {
if (((chip->PMC[0x00000000/4] & 0xF0) == 0x20)
&& ((chip->PMC[0x00000000/4] & 0x0F) >= 0x02)) {
if (NV_RD32(chip->PFB, 0x00000000) & 0x00000020) {
if (((NV_RD32(chip->PMC, 0x00000000) & 0xF0) == 0x20)
&& ((NV_RD32(chip->PMC,0x00000000)&0x0F) >= 0x02)) {
/*
* SDRAM 128 ZX.
*/
......@@ -297,7 +300,7 @@ unsigned long riva_get_maxdclk(struct riva_par *par)
case NV_ARCH_10:
case NV_ARCH_20:
case NV_ARCH_30:
switch ((chip->PFB[0x00000000/4] >> 3) & 0x00000003) {
switch ((NV_RD32(chip->PFB, 0x00000000) >> 3) & 0x00000003) {
case 3:
dclk = 800000;
break;
......@@ -314,17 +317,25 @@ void
riva_common_setup(struct riva_par *par)
{
par->riva.EnableIRQ = 0;
par->riva.PRAMDAC0 = (unsigned *)(par->ctrl_base + 0x00680000);
par->riva.PFB = (unsigned *)(par->ctrl_base + 0x00100000);
par->riva.PFIFO = (unsigned *)(par->ctrl_base + 0x00002000);
par->riva.PGRAPH = (unsigned *)(par->ctrl_base + 0x00400000);
par->riva.PEXTDEV = (unsigned *)(par->ctrl_base + 0x00101000);
par->riva.PTIMER = (unsigned *)(par->ctrl_base + 0x00009000);
par->riva.PMC = (unsigned *)(par->ctrl_base + 0x00000000);
par->riva.FIFO = (unsigned *)(par->ctrl_base + 0x00800000);
par->riva.PCIO0 = (U008 *)(par->ctrl_base + 0x00601000);
par->riva.PDIO0 = (U008 *)(par->ctrl_base + 0x00681000);
par->riva.PVIO = (U008 *)(par->ctrl_base + 0x000C0000);
par->riva.PRAMDAC0 =
(volatile U032 __iomem *)(par->ctrl_base + 0x00680000);
par->riva.PFB =
(volatile U032 __iomem *)(par->ctrl_base + 0x00100000);
par->riva.PFIFO =
(volatile U032 __iomem *)(par->ctrl_base + 0x00002000);
par->riva.PGRAPH =
(volatile U032 __iomem *)(par->ctrl_base + 0x00400000);
par->riva.PEXTDEV =
(volatile U032 __iomem *)(par->ctrl_base + 0x00101000);
par->riva.PTIMER =
(volatile U032 __iomem *)(par->ctrl_base + 0x00009000);
par->riva.PMC =
(volatile U032 __iomem *)(par->ctrl_base + 0x00000000);
par->riva.FIFO =
(volatile U032 __iomem *)(par->ctrl_base + 0x00800000);
par->riva.PCIO0 = par->ctrl_base + 0x00601000;
par->riva.PDIO0 = par->ctrl_base + 0x00681000;
par->riva.PVIO = par->ctrl_base + 0x000C0000;
par->riva.IO = (MISCin(par) & 0x01) ? 0x3D0 : 0x3B0;
......
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