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path: root/drivers/video/riva
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-rw-r--r--drivers/video/riva/fbdev.c66
-rw-r--r--drivers/video/riva/riva_hw.c10
-rw-r--r--drivers/video/riva/riva_hw.h17
-rw-r--r--drivers/video/riva/rivafb-i2c.c6
4 files changed, 46 insertions, 53 deletions
diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c
index a160c4de2ca..1a13966b7d5 100644
--- a/drivers/video/riva/fbdev.c
+++ b/drivers/video/riva/fbdev.c
@@ -40,6 +40,7 @@
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/backlight.h>
+#include <linux/bitrev.h>
#ifdef CONFIG_MTRR
#include <asm/mtrr.h>
#endif
@@ -521,48 +522,13 @@ static inline unsigned char MISCin(struct riva_par *par)
return (VGA_RD08(par->riva.PVIO, 0x3cc));
}
-static u8 byte_rev[256] = {
- 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
- 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
- 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
- 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
- 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
- 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
- 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
- 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
- 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
- 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
- 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
- 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
- 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
- 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
- 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
- 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
- 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
- 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
- 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
- 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
- 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
- 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
- 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
- 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
- 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
- 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
- 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
- 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
- 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
- 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
- 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
- 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff,
-};
-
static inline void reverse_order(u32 *l)
{
u8 *a = (u8 *)l;
- *a = byte_rev[*a], a++;
- *a = byte_rev[*a], a++;
- *a = byte_rev[*a], a++;
- *a = byte_rev[*a];
+ a[0] = bitrev8(a[0]);
+ a[1] = bitrev8(a[1]);
+ a[2] = bitrev8(a[2]);
+ a[3] = bitrev8(a[3]);
}
/* ------------------------------------------------------------------------- *
@@ -774,11 +740,12 @@ static void riva_load_state(struct riva_par *par, struct riva_regs *regs)
* CALLED FROM:
* rivafb_set_par()
*/
-static void riva_load_video_mode(struct fb_info *info)
+static int riva_load_video_mode(struct fb_info *info)
{
int bpp, width, hDisplaySize, hDisplay, hStart,
hEnd, hTotal, height, vDisplay, vStart, vEnd, vTotal, dotClock;
int hBlankStart, hBlankEnd, vBlankStart, vBlankEnd;
+ int rc;
struct riva_par *par = info->par;
struct riva_regs newmode;
@@ -884,8 +851,10 @@ static void riva_load_video_mode(struct fb_info *info)
else
newmode.misc_output |= 0x80;
- par->riva.CalcStateExt(&par->riva, &newmode.ext, bpp, width,
- hDisplaySize, height, dotClock);
+ rc = CalcStateExt(&par->riva, &newmode.ext, bpp, width,
+ hDisplaySize, height, dotClock);
+ if (rc)
+ goto out;
newmode.ext.scale = NV_RD32(par->riva.PRAMDAC, 0x00000848) &
0xfff000ff;
@@ -917,8 +886,12 @@ static void riva_load_video_mode(struct fb_info *info)
par->current_state = newmode;
riva_load_state(par, &par->current_state);
par->riva.LockUnlock(&par->riva, 0); /* important for HW cursor */
+
+out:
rivafb_blank(FB_BLANK_UNBLANK, info);
NVTRACE_LEAVE();
+
+ return rc;
}
static void riva_update_var(struct fb_var_screeninfo *var, struct fb_videomode *modedb)
@@ -1286,12 +1259,15 @@ static int rivafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
static int rivafb_set_par(struct fb_info *info)
{
struct riva_par *par = info->par;
+ int rc = 0;
NVTRACE_ENTER();
/* vgaHWunlock() + riva unlock (0x7F) */
CRTCout(par, 0x11, 0xFF);
par->riva.LockUnlock(&par->riva, 0);
- riva_load_video_mode(info);
+ rc = riva_load_video_mode(info);
+ if (rc)
+ goto out;
if(!(info->flags & FBINFO_HWACCEL_DISABLED))
riva_setup_accel(info);
@@ -1304,8 +1280,10 @@ static int rivafb_set_par(struct fb_info *info)
info->pixmap.scan_align = 1;
else
info->pixmap.scan_align = 4;
+
+out:
NVTRACE_LEAVE();
- return 0;
+ return rc;
}
/**
diff --git a/drivers/video/riva/riva_hw.c b/drivers/video/riva/riva_hw.c
index b6f8690b96c..e0b8c521cc9 100644
--- a/drivers/video/riva/riva_hw.c
+++ b/drivers/video/riva/riva_hw.c
@@ -1227,7 +1227,7 @@ static int CalcVClock
* Calculate extended mode parameters (SVGA) and save in a
* mode state structure.
*/
-static void CalcStateExt
+int CalcStateExt
(
RIVA_HW_INST *chip,
RIVA_HW_STATE *state,
@@ -1249,7 +1249,8 @@ static void CalcStateExt
* Extended RIVA registers.
*/
pixelDepth = (bpp + 1)/8;
- CalcVClock(dotClock, &VClk, &m, &n, &p, chip);
+ if (!CalcVClock(dotClock, &VClk, &m, &n, &p, chip))
+ return -EINVAL;
switch (chip->Architecture)
{
@@ -1327,6 +1328,8 @@ static void CalcStateExt
state->pitch1 =
state->pitch2 =
state->pitch3 = pixelDepth * width;
+
+ return 0;
}
/*
* Load fixed function state and pre-calculated/stored state.
@@ -2026,7 +2029,6 @@ static void nv3GetConfig
*/
chip->Busy = nv3Busy;
chip->ShowHideCursor = ShowHideCursor;
- chip->CalcStateExt = CalcStateExt;
chip->LoadStateExt = LoadStateExt;
chip->UnloadStateExt = UnloadStateExt;
chip->SetStartAddress = SetStartAddress3;
@@ -2084,7 +2086,6 @@ static void nv4GetConfig
*/
chip->Busy = nv4Busy;
chip->ShowHideCursor = ShowHideCursor;
- chip->CalcStateExt = CalcStateExt;
chip->LoadStateExt = LoadStateExt;
chip->UnloadStateExt = UnloadStateExt;
chip->SetStartAddress = SetStartAddress;
@@ -2186,7 +2187,6 @@ static void nv10GetConfig
*/
chip->Busy = nv10Busy;
chip->ShowHideCursor = ShowHideCursor;
- chip->CalcStateExt = CalcStateExt;
chip->LoadStateExt = LoadStateExt;
chip->UnloadStateExt = UnloadStateExt;
chip->SetStartAddress = SetStartAddress;
diff --git a/drivers/video/riva/riva_hw.h b/drivers/video/riva/riva_hw.h
index a1e71a626df..c2769f73e0b 100644
--- a/drivers/video/riva/riva_hw.h
+++ b/drivers/video/riva/riva_hw.h
@@ -463,7 +463,6 @@ typedef struct _riva_hw_inst
* Common chip functions.
*/
int (*Busy)(struct _riva_hw_inst *);
- void (*CalcStateExt)(struct _riva_hw_inst *,struct _riva_hw_state *,int,int,int,int,int);
void (*LoadStateExt)(struct _riva_hw_inst *,struct _riva_hw_state *);
void (*UnloadStateExt)(struct _riva_hw_inst *,struct _riva_hw_state *);
void (*SetStartAddress)(struct _riva_hw_inst *,U032);
@@ -528,6 +527,22 @@ typedef struct _riva_hw_state
U032 pitch2;
U032 pitch3;
} RIVA_HW_STATE;
+
+/*
+ * function prototypes
+ */
+
+extern int CalcStateExt
+(
+ RIVA_HW_INST *chip,
+ RIVA_HW_STATE *state,
+ int bpp,
+ int width,
+ int hDisplaySize,
+ int height,
+ int dotClock
+);
+
/*
* External routines.
*/
diff --git a/drivers/video/riva/rivafb-i2c.c b/drivers/video/riva/rivafb-i2c.c
index c15b259af64..01b85e3b0ae 100644
--- a/drivers/video/riva/rivafb-i2c.c
+++ b/drivers/video/riva/rivafb-i2c.c
@@ -144,15 +144,15 @@ void riva_create_i2c_busses(struct riva_par *par)
void riva_delete_i2c_busses(struct riva_par *par)
{
if (par->chan[0].par)
- i2c_bit_del_bus(&par->chan[0].adapter);
+ i2c_del_adapter(&par->chan[0].adapter);
par->chan[0].par = NULL;
if (par->chan[1].par)
- i2c_bit_del_bus(&par->chan[1].adapter);
+ i2c_del_adapter(&par->chan[1].adapter);
par->chan[1].par = NULL;
if (par->chan[2].par)
- i2c_bit_del_bus(&par->chan[2].adapter);
+ i2c_del_adapter(&par->chan[2].adapter);
par->chan[2].par = NULL;
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-19 23:42:26 +0000