From d53c94321e5cce9d70291aac8a73fe39f811de00 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@linux.ie>
Date: Tue, 9 May 2006 21:22:42 +1000
Subject: detect the chrontel ch7xxx chip properly

---
 src/ch7xxx/ch7xxx.c | 18 +++++++++---------
 src/ch7xxx/ch7xxx.h | 16 +++++++---------
 src/i830_i2c.c      | 11 +++++++++--
 3 files changed, 25 insertions(+), 20 deletions(-)

(limited to 'src')

diff --git a/src/ch7xxx/ch7xxx.c b/src/ch7xxx/ch7xxx.c
index 96964ce2..fe377ba0 100644
--- a/src/ch7xxx/ch7xxx.c
+++ b/src/ch7xxx/ch7xxx.c
@@ -74,7 +74,7 @@ static void *ch7xxxDetect(I2CBusPtr b, I2CSlaveAddr addr)
   sil->d.ByteTimeout = b->ByteTimeout;
   sil->d.DriverPrivate.ptr = sil;
 
-  if (!ch7xxxReadByte(sil, CH7xxx_VID_LO, &ch))
+  if (!ch7xxxReadByte(sil, CH7xxx_REG_VID, &ch))
     goto out;
 
   if (ch!=(CH7xxx_VID & 0xFF))
@@ -84,7 +84,7 @@ static void *ch7xxxDetect(I2CBusPtr b, I2CSlaveAddr addr)
   }
 
 
-  if (!ch7xxxReadByte(sil, CH7xxx_DID_LO, &ch))
+  if (!ch7xxxReadByte(sil, CH7xxx_REG_DID, &ch))
     goto out;
 
   if (ch!=(CH7xxx_DID & 0xFF))
@@ -109,7 +109,7 @@ static void *ch7xxxDetect(I2CBusPtr b, I2CSlaveAddr addr)
 
 static Bool ch7xxxInit(I2CDevPtr d)
 {
-  CH7xxxPtr sil = SILPTR(d);
+  CH7xxxPtr sil = CH7PTR(d);
 
   /* not much to do */
   return TRUE;
@@ -117,14 +117,14 @@ static Bool ch7xxxInit(I2CDevPtr d)
 
 static ModeStatus ch7xxxModeValid(I2CDevPtr d, DisplayModePtr mode)
 {
-  CH7xxxPtr sil = SILPTR(d);
+  CH7xxxPtr sil = CH7PTR(d);
   
   return MODE_OK;
 }
 
 static void ch7xxxMode(I2CDevPtr d, DisplayModePtr mode)
 {
-  CH7xxxPtr sil = SILPTR(d);
+  CH7xxxPtr sil = CH7PTR(d);
 
   /* don't do much */
   return;
@@ -133,7 +133,7 @@ static void ch7xxxMode(I2CDevPtr d, DisplayModePtr mode)
 /* set the CH7xxx power state */
 static void ch7xxxPower(I2CDevPtr d, Bool On)
 {
-  CH7xxxPtr sil = SILPTR(d);
+  CH7xxxPtr sil = CH7PTR(d);
   int ret;
   unsigned char ch;
   
@@ -152,12 +152,12 @@ static void ch7xxxPower(I2CDevPtr d, Bool On)
 
 static void ch7xxxPrintRegs(I2CDevPtr d)
 {
-  CH7xxxPtr sil = SILPTR(d);
+  CH7xxxPtr sil = CH7PTR(d);
 }
 
 static void ch7xxxSaveRegs(I2CDevPtr d)
 {
-  CH7xxxPtr sil = SILPTR(d);
+  CH7xxxPtr sil = CH7PTR(d);
   
   if (!ch7xxxReadByte(sil, CH7xxx_FREQ_LO, &sil->SavedReg.freq_lo))
       return;
@@ -178,7 +178,7 @@ static void ch7xxxSaveRegs(I2CDevPtr d)
 
 }
 
-I830I2CVidOutputRec CH7xxxxVidOutput = {
+I830I2CVidOutputRec CH7xxxVidOutput = {
   ch7xxxDetect,
   ch7xxxInit,
   ch7xxxModeValid,
diff --git a/src/ch7xxx/ch7xxx.h b/src/ch7xxx/ch7xxx.h
index 7aa44dfa..07b5544f 100644
--- a/src/ch7xxx/ch7xxx.h
+++ b/src/ch7xxx/ch7xxx.h
@@ -28,13 +28,11 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include "../i2c_vid.h"
 
-#define CH7xxx_VID 0x0001
-#define CH7xxx_DID 0x0006
+#define CH7xxx_VID 0x84
+#define CH7xxx_DID 0x17
 
-#define CH7xxx_VID_LO 0x00
-#define CH7xxx_VID_HI 0x01
-#define CH7xxx_DID_LO 0x02
-#define CH7xxx_DID_HI 0x03
+#define CH7xxx_REG_VID 0x4a
+#define CH7xxx_REG_DID 0x4b
 #define CH7xxx_REV    0x04
 #define CH7xxx_RSVD   0x05
 #define CH7xxx_FREQ_LO 0x06
@@ -58,7 +56,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #define CH7xxx_REGC 0x0c
 
-typedef struct _Sil164SaveRec {
+typedef struct _CH7xxxSaveRec {
   CARD8 freq_lo;
   CARD8 freq_hi;
   CARD8 reg8;
@@ -72,9 +70,9 @@ typedef struct {
   CH7xxxSaveRec ModeReg;
 } CH7xxxRec, *CH7xxxPtr;
 
-#define CH7xxx_ADDR_1 0x38
+#define CH7xxx_ADDR_1 0x76
 
 #define CH7xxx_SYMBOL_LIST "CH7xxxVidOutput"
 
-#define SILPTR(d) ((CH7xxxPtr)(d->DriverPrivate.ptr))
+#define CH7PTR(d) ((CH7xxxPtr)(d->DriverPrivate.ptr))
 #endif
diff --git a/src/i830_i2c.c b/src/i830_i2c.c
index 80d823f1..8dd5d316 100644
--- a/src/i830_i2c.c
+++ b/src/i830_i2c.c
@@ -50,14 +50,21 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "i830.h"
 
 #include "sil164/sil164.h"
+#include "ch7xxx/ch7xxx.h"
 
 static const char *SIL164Symbols[] = {
   SIL164_SYMBOL_LIST
 };
 
+static const char *CH7xxxSymbols[] = {
+  CH7xxx_SYMBOL_LIST
+};
+
 /* driver list */
 struct _I830DVODriver i830_dvo_drivers[] =
-  { I830_DVO_CHIP_TMDS, "sil164", "SIL164VidOutput", (SIL164_ADDR_1<<1), SIL164Symbols, NULL , NULL, NULL};
+  { { I830_DVO_CHIP_TMDS, "sil164", "SIL164VidOutput", (SIL164_ADDR_1<<1), SIL164Symbols, NULL , NULL, NULL},
+    { I830_DVO_CHIP_TMDS|I830_DVO_CHIP_TVOUT, "ch7xxx", "CH7xxxVidOutput", (CH7xxx_ADDR_1<<1), CH7xxxSymbols, NULL , NULL, NULL}
+};
 
 
 
@@ -470,7 +477,7 @@ I830I2CDetectDVOControllers(ScrnInfoPtr pScrn, I2CBusPtr pI2CBus, struct _I830DV
       *retdrv = drv;
       return TRUE;
     }
-    xf86UnloadModule(drv->modhandle);
+    xf86UnloadSubModule(drv->modhandle);
   }
   return FALSE;
 }
-- 
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