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-rw-r--r--src/Makefile.am1
-rw-r--r--src/geode_ddc.c188
-rw-r--r--src/gx_driver.c39
-rw-r--r--src/lx_driver.c11
4 files changed, 194 insertions, 45 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index 410aa70..15c9f66 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -46,6 +46,7 @@ geode_drv_la_SOURCES = \
geode_driver.c \
geode_common.c \
geode_dcon.c \
+ geode_ddc.c \
geode_msr.c \
gx_driver.c\
gx_accel.c \
diff --git a/src/geode_ddc.c b/src/geode_ddc.c
new file mode 100644
index 0000000..419c93b
--- /dev/null
+++ b/src/geode_ddc.c
@@ -0,0 +1,188 @@
+/* Copyright (c) 2003-2007 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Neither the name of the Advanced Micro Devices, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ * */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "xf86.h"
+#include "xf86Modes.h"
+#include "compiler.h"
+#include "geode.h"
+
+#ifdef XSERVER_LIBPCIACCESS
+#include <pciaccess.h>
+#endif
+
+/* GPIO Register defines from the CS5536 datasheet */
+
+#define GPIO_OUT 0x00
+#define GPIO_OUT_ENABLE 0x04
+#define GPIO_OUT_AUX1 0x10
+#define GPIO_IN_ENABLE 0x20
+#define GPIO_IN 0x30
+#define GPIO_IN_AUX1 0x34
+
+/* The DDC pins are defined to be on GPIO pins 3 and 4 */
+#define DDC_SCL_PIN (1 << 3)
+#define DDC_SDA_PIN (1 << 4)
+
+#define DDC_DATA_HIGH DDC_SDA_PIN
+#define DDC_DATA_LOW (DDC_SDA_PIN << 16)
+
+#define DDC_CLK_HIGH DDC_SCL_PIN
+#define DDC_CLK_LOW (DDC_SCL_PIN << 16)
+
+#define CS5536_ISA_DEVICE 0x20901022
+
+static unsigned short
+geode_gpio_iobase(void)
+{
+#ifdef XSERVER_LIBPCIACCESS
+ struct pci_device *pci;
+
+ /* The CS5536 GPIO device is always in the same slot: 00:0f.0 */
+ pci = pci_device_find_by_slot(0, 0, 0xF, 0x0);
+
+ if (pci == NULL)
+ return 0;
+
+ /* The GPIO I/O address is in resource 1 */
+ return (unsigned short)pci->regions[1].base_addr;
+#else
+ PCITAG Tag;
+
+ Tag = pciFindFirst(CS5536_ISA_DEVICE, 0xFFFFFFFF);
+
+ if (Tag == PCI_NOT_FOUND)
+ return 0;
+
+ /* The GPIO I/O address is in resource 1 */
+ return (unsigned short)(pciReadLong(Tag, 0x14) & ~1);
+#endif
+}
+
+static void
+geode_ddc_putbits(I2CBusPtr b, int scl, int sda)
+{
+ unsigned long iobase = (unsigned long)b->DriverPrivate.ptr;
+ unsigned long dat;
+
+ dat = scl ? DDC_CLK_HIGH : DDC_CLK_LOW;
+ dat |= sda ? DDC_DATA_HIGH : DDC_DATA_LOW;
+
+ outl(iobase + GPIO_OUT, dat);
+}
+
+static void
+geode_ddc_getbits(I2CBusPtr b, int *scl, int *sda)
+{
+ unsigned long iobase = (unsigned long)b->DriverPrivate.ptr;
+ unsigned long dat = inl(iobase + GPIO_IN);
+
+ *scl = (dat & DDC_CLK_HIGH) ? 1 : 0;
+ *sda = (dat & DDC_DATA_HIGH) ? 1 : 0;
+}
+
+static xf86MonPtr
+GeodeGetDDC(ScrnInfoPtr pScrni)
+{
+ xf86MonPtr mon = NULL;
+ I2CBusPtr bus;
+ unsigned long ddciobase;
+
+ ddciobase = geode_gpio_iobase();
+
+ if (ddciobase == 0) {
+ xf86DrvMsg(pScrni->scrnIndex, X_ERROR,
+ "Could not find the GPIO I/O base\n");
+ return NULL;
+ }
+
+ /* The GPIO pins for DDC are multiplexed with a
+ * serial port. If that serial port is enabled, then
+ * assume that there is no DDC on the board
+ */
+
+ if ((inl(ddciobase + GPIO_IN_AUX1) & DDC_CLK_HIGH) ||
+ (inl(ddciobase + GPIO_OUT_AUX1) & DDC_DATA_HIGH)) {
+ xf86DrvMsg(pScrni->scrnIndex, X_ERROR,
+ "GPIO pins are in serial mode. Assuming no DDC\n");
+ return NULL;
+ }
+
+ /* Set up the pins */
+
+ outl(ddciobase + GPIO_OUT_ENABLE, DDC_DATA_HIGH | DDC_CLK_HIGH);
+ outl(ddciobase + GPIO_IN_ENABLE, DDC_DATA_HIGH | DDC_CLK_HIGH);
+
+ bus = xf86CreateI2CBusRec();
+
+ if (bus == NULL) {
+ xf86DrvMsg(pScrni->scrnIndex, X_ERROR,
+ "Could not create the I2C structre\n");
+ goto err;
+ }
+
+ bus->BusName = "CS5536 DDC BUS";
+ bus->scrnIndex = pScrni->scrnIndex;
+ bus->I2CGetBits = geode_ddc_getbits;
+ bus->I2CPutBits = geode_ddc_putbits;
+ bus->DriverPrivate.ptr = (void *)(ddciobase);
+
+ if (xf86I2CBusInit(bus)) {
+ mon = xf86DoEDID_DDC2(pScrni->scrnIndex, bus);
+
+#if (XORG_VERSION_CURRENT >= XORG_VERSION_NUMERIC(1,4,99,0,0))
+ if (mon)
+ xf86DDCApplyQuirks(pScrni->scrnIndex, mon);
+#endif
+ }
+
+ xf86DestroyI2CBusRec(bus, FALSE, FALSE);
+
+ err:
+ outl(ddciobase + GPIO_OUT_ENABLE, DDC_DATA_LOW | DDC_CLK_LOW);
+ outl(ddciobase + GPIO_IN_ENABLE, DDC_DATA_LOW | DDC_CLK_LOW);
+
+ return mon;
+}
+
+void
+GeodeProbeDDC(ScrnInfoPtr pScrni, int index)
+{
+ ConfiguredMonitor = GeodeGetDDC(pScrni);
+}
+
+xf86MonPtr
+GeodeDoDDC(ScrnInfoPtr pScrni, int index)
+{
+ xf86MonPtr info = NULL;
+
+ info = GeodeGetDDC(pScrni);
+ xf86PrintEDID(info);
+ xf86SetDDCproperties(pScrni, info);
+ return info;
+}
diff --git a/src/gx_driver.c b/src/gx_driver.c
index 66aa31c..928a59a 100644
--- a/src/gx_driver.c
+++ b/src/gx_driver.c
@@ -436,8 +436,7 @@ GXPreInit(ScrnInfoPtr pScrni, int flags)
useVGA = GXCheckVGA(pScrni);
if (flags & PROBE_DETECT) {
- if (useVGA)
- GeodeProbeDDC(pScrni, pEnt->index);
+ GeodeProbeDDC(pScrni, pEnt->index);
return TRUE;
}
@@ -664,10 +663,7 @@ GXPreInit(ScrnInfoPtr pScrni, int flags)
GeodeClockRange->interlaceAllowed = TRUE;
GeodeClockRange->doubleScanAllowed = FALSE;
- if (pGeode->useVGA)
- pScrni->monitor->DDC = GeodeDoDDC(pScrni, pGeode->pEnt->index);
- else
- pScrni->monitor->DDC = NULL;
+ pScrni->monitor->DDC = GeodeDoDDC(pScrni, pGeode->pEnt->index);
/* I'm still not 100% sure this uses the right values */
@@ -1540,37 +1536,6 @@ GeodePointerMoved(int index, int x, int y)
(*pGeode->PointerMoved) (index, newX, newY);
}
-void
-GeodeProbeDDC(ScrnInfoPtr pScrni, int index)
-{
- vbeInfoPtr pVbe;
-
- if (xf86LoadSubModule(pScrni, "vbe")) {
- pVbe = VBEInit(NULL, index);
- ConfiguredMonitor = vbeDoEDID(pVbe, NULL);
- vbeFree(pVbe);
- }
-}
-
-xf86MonPtr
-GeodeDoDDC(ScrnInfoPtr pScrni, int index)
-{
- vbeInfoPtr pVbe;
- xf86MonPtr info = NULL;
-
- if (xf86LoadSubModule(pScrni, "vbe") && (pVbe = VBEInit(NULL, index))) {
- xf86LoaderReqSymLists(amdVbeSymbols, NULL);
- info = vbeDoEDID(pVbe, NULL);
- xf86PrintEDID(info);
- xf86SetDDCproperties(pScrni, info);
- vbeFree(pVbe);
- } else
- xf86DrvMsg(pScrni->scrnIndex, X_INFO,
- "We cannot do DDC without VBE.\n");
-
- return info;
-}
-
int
GeodeGetFPGeometry(const char *str, int *width, int *height)
{
diff --git a/src/lx_driver.c b/src/lx_driver.c
index 973d54d..48aff44 100644
--- a/src/lx_driver.c
+++ b/src/lx_driver.c
@@ -519,7 +519,6 @@ LXPreInit(ScrnInfoPtr pScrni, int flags)
rgb defaultWeight = { 0, 0, 0 };
int modecnt;
char *s, *panelgeo = NULL;
- Bool useVGA;
if (pScrni->numEntities != 1)
return FALSE;
@@ -529,12 +528,8 @@ LXPreInit(ScrnInfoPtr pScrni, int flags)
if (pEnt->resources)
return FALSE;
- useVGA = LXCheckVGA(pScrni);
-
if (flags & PROBE_DETECT) {
- if (useVGA)
- GeodeProbeDDC(pScrni, pEnt->index);
-
+ GeodeProbeDDC(pScrni, pEnt->index);
return TRUE;
}
@@ -543,7 +538,7 @@ LXPreInit(ScrnInfoPtr pScrni, int flags)
if (pGeode == NULL)
return FALSE;
- pGeode->useVGA = useVGA;
+ pGeode->useVGA = LXCheckVGA(pScrni);
pGeode->VGAActive = FALSE;
pGeode->pEnt = pEnt;
@@ -769,7 +764,7 @@ LXPreInit(ScrnInfoPtr pScrni, int flags)
GeodeClockRange->interlaceAllowed = TRUE;
GeodeClockRange->doubleScanAllowed = FALSE;
- if (pGeode->useVGA && (pGeode->Output & OUTPUT_CRT))
+ if (pGeode->Output & OUTPUT_CRT)
pScrni->monitor->DDC = GeodeDoDDC(pScrni, pGeode->pEnt->index);
else
pScrni->monitor->DDC = NULL;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 16:19:04 +0000