summaryrefslogtreecommitdiff
path: root/drivers/video/fbdev/kyro
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/video/fbdev/kyro')
-rw-r--r--drivers/video/fbdev/kyro/Makefile8
-rw-r--r--drivers/video/fbdev/kyro/STG4000InitDevice.c326
-rw-r--r--drivers/video/fbdev/kyro/STG4000Interface.h61
-rw-r--r--drivers/video/fbdev/kyro/STG4000OverlayDevice.c601
-rw-r--r--drivers/video/fbdev/kyro/STG4000Ramdac.c163
-rw-r--r--drivers/video/fbdev/kyro/STG4000Reg.h283
-rw-r--r--drivers/video/fbdev/kyro/STG4000VTG.c170
-rw-r--r--drivers/video/fbdev/kyro/fbdev.c808
8 files changed, 2420 insertions, 0 deletions
diff --git a/drivers/video/fbdev/kyro/Makefile b/drivers/video/fbdev/kyro/Makefile
new file mode 100644
index 000000000..2fd66f551
--- /dev/null
+++ b/drivers/video/fbdev/kyro/Makefile
@@ -0,0 +1,8 @@
+#
+# Makefile for the Kyro framebuffer driver
+#
+
+obj-$(CONFIG_FB_KYRO) += kyrofb.o
+
+kyrofb-objs := STG4000Ramdac.o STG4000VTG.o STG4000OverlayDevice.o \
+ STG4000InitDevice.o fbdev.o
diff --git a/drivers/video/fbdev/kyro/STG4000InitDevice.c b/drivers/video/fbdev/kyro/STG4000InitDevice.c
new file mode 100644
index 000000000..1d3f2080a
--- /dev/null
+++ b/drivers/video/fbdev/kyro/STG4000InitDevice.c
@@ -0,0 +1,326 @@
+/*
+ * linux/drivers/video/kyro/STG4000InitDevice.c
+ *
+ * Copyright (C) 2000 Imagination Technologies Ltd
+ * Copyright (C) 2002 STMicroelectronics
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+
+#include "STG4000Reg.h"
+#include "STG4000Interface.h"
+
+/* SDRAM fixed settings */
+#define SDRAM_CFG_0 0x49A1
+#define SDRAM_CFG_1 0xA732
+#define SDRAM_CFG_2 0x31
+#define SDRAM_ARB_CFG 0xA0
+#define SDRAM_REFRESH 0x20
+
+/* Reset values */
+#define PMX2_SOFTRESET_DAC_RST 0x0001
+#define PMX2_SOFTRESET_C1_RST 0x0004
+#define PMX2_SOFTRESET_C2_RST 0x0008
+#define PMX2_SOFTRESET_3D_RST 0x0010
+#define PMX2_SOFTRESET_VIDIN_RST 0x0020
+#define PMX2_SOFTRESET_TLB_RST 0x0040
+#define PMX2_SOFTRESET_SD_RST 0x0080
+#define PMX2_SOFTRESET_VGA_RST 0x0100
+#define PMX2_SOFTRESET_ROM_RST 0x0200 /* reserved bit, do not reset */
+#define PMX2_SOFTRESET_TA_RST 0x0400
+#define PMX2_SOFTRESET_REG_RST 0x4000
+#define PMX2_SOFTRESET_ALL 0x7fff
+
+/* Core clock freq */
+#define CORE_PLL_FREQ 1000000
+
+/* Reference Clock freq */
+#define REF_FREQ 14318
+
+/* PCI Registers */
+static u16 CorePllControl = 0x70;
+
+#define PCI_CONFIG_SUBSYS_ID 0x2e
+
+/* Misc */
+#define CORE_PLL_MODE_REG_0_7 3
+#define CORE_PLL_MODE_REG_8_15 2
+#define CORE_PLL_MODE_CONFIG_REG 1
+#define DAC_PLL_CONFIG_REG 0
+
+#define STG_MAX_VCO 500000
+#define STG_MIN_VCO 100000
+
+/* PLL Clock */
+#define STG4K3_PLL_SCALER 8 /* scale numbers by 2^8 for fixed point calc */
+#define STG4K3_PLL_MIN_R 2 /* Minimum multiplier */
+#define STG4K3_PLL_MAX_R 33 /* Max */
+#define STG4K3_PLL_MIN_F 2 /* Minimum divisor */
+#define STG4K3_PLL_MAX_F 513 /* Max */
+#define STG4K3_PLL_MIN_OD 0 /* Min output divider (shift) */
+#define STG4K3_PLL_MAX_OD 2 /* Max */
+#define STG4K3_PLL_MIN_VCO_SC (100000000 >> STG4K3_PLL_SCALER) /* Min VCO rate */
+#define STG4K3_PLL_MAX_VCO_SC (500000000 >> STG4K3_PLL_SCALER) /* Max VCO rate */
+#define STG4K3_PLL_MINR_VCO_SC (100000000 >> STG4K3_PLL_SCALER) /* Min VCO rate (restricted) */
+#define STG4K3_PLL_MAXR_VCO_SC (500000000 >> STG4K3_PLL_SCALER) /* Max VCO rate (restricted) */
+#define STG4K3_PLL_MINR_VCO 100000000 /* Min VCO rate (restricted) */
+#define STG4K3_PLL_MAX_VCO 500000000 /* Max VCO rate */
+#define STG4K3_PLL_MAXR_VCO 500000000 /* Max VCO rate (restricted) */
+
+#define OS_DELAY(X) \
+{ \
+volatile u32 i,count=0; \
+ for(i=0;i<X;i++) count++; \
+}
+
+static u32 InitSDRAMRegisters(volatile STG4000REG __iomem *pSTGReg,
+ u32 dwSubSysID, u32 dwRevID)
+{
+ u32 adwSDRAMArgCfg0[] = { 0xa0, 0x80, 0xa0, 0xa0, 0xa0 };
+ u32 adwSDRAMCfg1[] = { 0x8732, 0x8732, 0xa732, 0xa732, 0x8732 };
+ u32 adwSDRAMCfg2[] = { 0x87d2, 0x87d2, 0xa7d2, 0x87d2, 0xa7d2 };
+ u32 adwSDRAMRsh[] = { 36, 39, 40 };
+ u32 adwChipSpeed[] = { 110, 120, 125 };
+ u32 dwMemTypeIdx;
+ u32 dwChipSpeedIdx;
+
+ /* Get memory tpye and chip speed indexs from the SubSysDevID */
+ dwMemTypeIdx = (dwSubSysID & 0x70) >> 4;
+ dwChipSpeedIdx = (dwSubSysID & 0x180) >> 7;
+
+ if (dwMemTypeIdx > 4 || dwChipSpeedIdx > 2)
+ return 0;
+
+ /* Program SD-RAM interface */
+ STG_WRITE_REG(SDRAMArbiterConf, adwSDRAMArgCfg0[dwMemTypeIdx]);
+ if (dwRevID < 5) {
+ STG_WRITE_REG(SDRAMConf0, 0x49A1);
+ STG_WRITE_REG(SDRAMConf1, adwSDRAMCfg1[dwMemTypeIdx]);
+ } else {
+ STG_WRITE_REG(SDRAMConf0, 0x4DF1);
+ STG_WRITE_REG(SDRAMConf1, adwSDRAMCfg2[dwMemTypeIdx]);
+ }
+
+ STG_WRITE_REG(SDRAMConf2, 0x31);
+ STG_WRITE_REG(SDRAMRefresh, adwSDRAMRsh[dwChipSpeedIdx]);
+
+ return adwChipSpeed[dwChipSpeedIdx] * 10000;
+}
+
+u32 ProgramClock(u32 refClock,
+ u32 coreClock,
+ u32 * FOut, u32 * ROut, u32 * POut)
+{
+ u32 R = 0, F = 0, OD = 0, ODIndex = 0;
+ u32 ulBestR = 0, ulBestF = 0, ulBestOD = 0;
+ u32 ulBestVCO = 0, ulBestClk = 0, ulBestScore = 0;
+ u32 ulScore, ulPhaseScore, ulVcoScore;
+ u32 ulTmp = 0, ulVCO;
+ u32 ulScaleClockReq, ulMinClock, ulMaxClock;
+ u32 ODValues[] = { 1, 2, 0 };
+
+ /* Translate clock in Hz */
+ coreClock *= 100; /* in Hz */
+ refClock *= 1000; /* in Hz */
+
+ /* Work out acceptable clock
+ * The method calculates ~ +- 0.4% (1/256)
+ */
+ ulMinClock = coreClock - (coreClock >> 8);
+ ulMaxClock = coreClock + (coreClock >> 8);
+
+ /* Scale clock required for use in calculations */
+ ulScaleClockReq = coreClock >> STG4K3_PLL_SCALER;
+
+ /* Iterate through post divider values */
+ for (ODIndex = 0; ODIndex < 3; ODIndex++) {
+ OD = ODValues[ODIndex];
+ R = STG4K3_PLL_MIN_R;
+
+ /* loop for pre-divider from min to max */
+ while (R <= STG4K3_PLL_MAX_R) {
+ /* estimate required feedback multiplier */
+ ulTmp = R * (ulScaleClockReq << OD);
+
+ /* F = ClkRequired * R * (2^OD) / Fref */
+ F = (u32)(ulTmp / (refClock >> STG4K3_PLL_SCALER));
+
+ /* compensate for accuracy */
+ if (F > STG4K3_PLL_MIN_F)
+ F--;
+
+
+ /*
+ * We should be close to our target frequency (if it's
+ * achievable with current OD & R) let's iterate
+ * through F for best fit
+ */
+ while ((F >= STG4K3_PLL_MIN_F) &&
+ (F <= STG4K3_PLL_MAX_F)) {
+ /* Calc VCO at full accuracy */
+ ulVCO = refClock / R;
+ ulVCO = F * ulVCO;
+
+ /*
+ * Check it's within restricted VCO range
+ * unless of course the desired frequency is
+ * above the restricted range, then test
+ * against VCO limit
+ */
+ if ((ulVCO >= STG4K3_PLL_MINR_VCO) &&
+ ((ulVCO <= STG4K3_PLL_MAXR_VCO) ||
+ ((coreClock > STG4K3_PLL_MAXR_VCO)
+ && (ulVCO <= STG4K3_PLL_MAX_VCO)))) {
+ ulTmp = (ulVCO >> OD); /* Clock = VCO / (2^OD) */
+
+ /* Is this clock good enough? */
+ if ((ulTmp >= ulMinClock)
+ && (ulTmp <= ulMaxClock)) {
+ ulPhaseScore = (((refClock / R) - (refClock / STG4K3_PLL_MAX_R))) / ((refClock - (refClock / STG4K3_PLL_MAX_R)) >> 10);
+
+ ulVcoScore = ((ulVCO - STG4K3_PLL_MINR_VCO)) / ((STG4K3_PLL_MAXR_VCO - STG4K3_PLL_MINR_VCO) >> 10);
+ ulScore = ulPhaseScore + ulVcoScore;
+
+ if (!ulBestScore) {
+ ulBestVCO = ulVCO;
+ ulBestOD = OD;
+ ulBestF = F;
+ ulBestR = R;
+ ulBestClk = ulTmp;
+ ulBestScore =
+ ulScore;
+ }
+ /* is this better, ( aim for highest Score) */
+ /*--------------------------------------------------------------------------
+ Here we want to use a scoring system which will take account of both the
+ value at the phase comparater and the VCO output
+ to do this we will use a cumulative score between the two
+ The way this ends up is that we choose the first value in the loop anyway
+ but we shall keep this code in case new restrictions come into play
+ --------------------------------------------------------------------------*/
+ if ((ulScore >= ulBestScore) && (OD > 0)) {
+ ulBestVCO = ulVCO;
+ ulBestOD = OD;
+ ulBestF = F;
+ ulBestR = R;
+ ulBestClk = ulTmp;
+ ulBestScore =
+ ulScore;
+ }
+ }
+ }
+ F++;
+ }
+ R++;
+ }
+ }
+
+ /*
+ did we find anything?
+ Then return RFOD
+ */
+ if (ulBestScore) {
+ *ROut = ulBestR;
+ *FOut = ulBestF;
+
+ if ((ulBestOD == 2) || (ulBestOD == 3)) {
+ *POut = 3;
+ } else
+ *POut = ulBestOD;
+
+ }
+
+ return (ulBestClk);
+}
+
+int SetCoreClockPLL(volatile STG4000REG __iomem *pSTGReg, struct pci_dev *pDev)
+{
+ u32 F, R, P;
+ u16 core_pll = 0, sub;
+ u32 ulCoreClock;
+ u32 tmp;
+ u32 ulChipSpeed;
+
+ STG_WRITE_REG(IntMask, 0xFFFF);
+
+ /* Disable Primary Core Thread0 */
+ tmp = STG_READ_REG(Thread0Enable);
+ CLEAR_BIT(0);
+ STG_WRITE_REG(Thread0Enable, tmp);
+
+ /* Disable Primary Core Thread1 */
+ tmp = STG_READ_REG(Thread1Enable);
+ CLEAR_BIT(0);
+ STG_WRITE_REG(Thread1Enable, tmp);
+
+ STG_WRITE_REG(SoftwareReset,
+ PMX2_SOFTRESET_REG_RST | PMX2_SOFTRESET_ROM_RST);
+ STG_WRITE_REG(SoftwareReset,
+ PMX2_SOFTRESET_REG_RST | PMX2_SOFTRESET_TA_RST |
+ PMX2_SOFTRESET_ROM_RST);
+
+ /* Need to play around to reset TA */
+ STG_WRITE_REG(TAConfiguration, 0);
+ STG_WRITE_REG(SoftwareReset,
+ PMX2_SOFTRESET_REG_RST | PMX2_SOFTRESET_ROM_RST);
+ STG_WRITE_REG(SoftwareReset,
+ PMX2_SOFTRESET_REG_RST | PMX2_SOFTRESET_TA_RST |
+ PMX2_SOFTRESET_ROM_RST);
+
+ pci_read_config_word(pDev, PCI_CONFIG_SUBSYS_ID, &sub);
+
+ ulChipSpeed = InitSDRAMRegisters(pSTGReg, (u32)sub,
+ (u32)pDev->revision);
+
+ if (ulChipSpeed == 0)
+ return -EINVAL;
+
+ ulCoreClock = ProgramClock(REF_FREQ, CORE_PLL_FREQ, &F, &R, &P);
+
+ core_pll |= ((P) | ((F - 2) << 2) | ((R - 2) << 11));
+
+ /* Set Core PLL Control to Core PLL Mode */
+
+ /* Send bits 0:7 of the Core PLL Mode register */
+ tmp = ((CORE_PLL_MODE_REG_0_7 << 8) | (core_pll & 0x00FF));
+ pci_write_config_word(pDev, CorePllControl, tmp);
+ /* Without some delay between the PCI config writes the clock does
+ not reliably set when the code is compiled -O3
+ */
+ OS_DELAY(1000000);
+
+ tmp |= SET_BIT(14);
+ pci_write_config_word(pDev, CorePllControl, tmp);
+ OS_DELAY(1000000);
+
+ /* Send bits 8:15 of the Core PLL Mode register */
+ tmp =
+ ((CORE_PLL_MODE_REG_8_15 << 8) | ((core_pll & 0xFF00) >> 8));
+ pci_write_config_word(pDev, CorePllControl, tmp);
+ OS_DELAY(1000000);
+
+ tmp |= SET_BIT(14);
+ pci_write_config_word(pDev, CorePllControl, tmp);
+ OS_DELAY(1000000);
+
+ STG_WRITE_REG(SoftwareReset, PMX2_SOFTRESET_ALL);
+
+#if 0
+ /* Enable Primary Core Thread0 */
+ tmp = ((STG_READ_REG(Thread0Enable)) | SET_BIT(0));
+ STG_WRITE_REG(Thread0Enable, tmp);
+
+ /* Enable Primary Core Thread1 */
+ tmp = ((STG_READ_REG(Thread1Enable)) | SET_BIT(0));
+ STG_WRITE_REG(Thread1Enable, tmp);
+#endif
+
+ return 0;
+}
diff --git a/drivers/video/fbdev/kyro/STG4000Interface.h b/drivers/video/fbdev/kyro/STG4000Interface.h
new file mode 100644
index 000000000..b7c83d5df
--- /dev/null
+++ b/drivers/video/fbdev/kyro/STG4000Interface.h
@@ -0,0 +1,61 @@
+/*
+ * linux/drivers/video/kyro/STG4000Interface.h
+ *
+ * Copyright (C) 2002 STMicroelectronics
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef _STG4000INTERFACE_H
+#define _STG4000INTERFACE_H
+
+#include <linux/pci.h>
+#include <video/kyro.h>
+
+/*
+ * Ramdac Setup
+ */
+extern int InitialiseRamdac(volatile STG4000REG __iomem *pSTGReg, u32 displayDepth,
+ u32 displayWidth, u32 displayHeight,
+ s32 HSyncPolarity, s32 VSyncPolarity,
+ u32 *pixelClock);
+
+extern void DisableRamdacOutput(volatile STG4000REG __iomem *pSTGReg);
+extern void EnableRamdacOutput(volatile STG4000REG __iomem *pSTGReg);
+
+/*
+ * Timing generator setup
+ */
+extern void DisableVGA(volatile STG4000REG __iomem *pSTGReg);
+extern void StopVTG(volatile STG4000REG __iomem *pSTGReg);
+extern void StartVTG(volatile STG4000REG __iomem *pSTGReg);
+extern void SetupVTG(volatile STG4000REG __iomem *pSTGReg,
+ const struct kyrofb_info * pTiming);
+
+extern u32 ProgramClock(u32 refClock, u32 coreClock, u32 *FOut, u32 *ROut, u32 *POut);
+extern int SetCoreClockPLL(volatile STG4000REG __iomem *pSTGReg, struct pci_dev *pDev);
+
+/*
+ * Overlay setup
+ */
+extern void ResetOverlayRegisters(volatile STG4000REG __iomem *pSTGReg);
+
+extern int CreateOverlaySurface(volatile STG4000REG __iomem *pSTGReg,
+ u32 ulWidth, u32 ulHeight,
+ int bLinear,
+ u32 ulOverlayOffset,
+ u32 * retStride, u32 * retUVStride);
+
+extern int SetOverlayBlendMode(volatile STG4000REG __iomem *pSTGReg,
+ OVRL_BLEND_MODE mode,
+ u32 ulAlpha, u32 ulColorKey);
+
+extern int SetOverlayViewPort(volatile STG4000REG __iomem *pSTGReg,
+ u32 left, u32 top,
+ u32 right, u32 bottom);
+
+extern void EnableOverlayPlane(volatile STG4000REG __iomem *pSTGReg);
+
+#endif /* _STG4000INTERFACE_H */
diff --git a/drivers/video/fbdev/kyro/STG4000OverlayDevice.c b/drivers/video/fbdev/kyro/STG4000OverlayDevice.c
new file mode 100644
index 000000000..0aeeaa107
--- /dev/null
+++ b/drivers/video/fbdev/kyro/STG4000OverlayDevice.c
@@ -0,0 +1,601 @@
+/*
+ * linux/drivers/video/kyro/STG4000OverlayDevice.c
+ *
+ * Copyright (C) 2000 Imagination Technologies Ltd
+ * Copyright (C) 2002 STMicroelectronics
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+
+#include "STG4000Reg.h"
+#include "STG4000Interface.h"
+
+/* HW Defines */
+
+#define STG4000_NO_SCALING 0x800
+#define STG4000_NO_DECIMATION 0xFFFFFFFF
+
+/* Primary surface */
+#define STG4000_PRIM_NUM_PIX 5
+#define STG4000_PRIM_ALIGN 4
+#define STG4000_PRIM_ADDR_BITS 20
+
+#define STG4000_PRIM_MIN_WIDTH 640
+#define STG4000_PRIM_MAX_WIDTH 1600
+#define STG4000_PRIM_MIN_HEIGHT 480
+#define STG4000_PRIM_MAX_HEIGHT 1200
+
+/* Overlay surface */
+#define STG4000_OVRL_NUM_PIX 4
+#define STG4000_OVRL_ALIGN 2
+#define STG4000_OVRL_ADDR_BITS 20
+#define STG4000_OVRL_NUM_MODES 5
+
+#define STG4000_OVRL_MIN_WIDTH 0
+#define STG4000_OVRL_MAX_WIDTH 720
+#define STG4000_OVRL_MIN_HEIGHT 0
+#define STG4000_OVRL_MAX_HEIGHT 576
+
+/* Decimation and Scaling */
+static u32 adwDecim8[33] = {
+ 0xffffffff, 0xfffeffff, 0xffdffbff, 0xfefefeff, 0xfdf7efbf,
+ 0xfbdf7bdf, 0xf7bbddef, 0xeeeeeeef, 0xeeddbb77, 0xedb76db7,
+ 0xdb6db6db, 0xdb5b5b5b, 0xdab5ad6b, 0xd5ab55ab, 0xd555aaab,
+ 0xaaaaaaab, 0xaaaa5555, 0xaa952a55, 0xa94a5295, 0xa5252525,
+ 0xa4924925, 0x92491249, 0x91224489, 0x91111111, 0x90884211,
+ 0x88410821, 0x88102041, 0x81010101, 0x80800801, 0x80010001,
+ 0x80000001, 0x00000001, 0x00000000
+};
+
+typedef struct _OVRL_SRC_DEST {
+ /*clipped on-screen pixel position of overlay */
+ u32 ulDstX1;
+ u32 ulDstY1;
+ u32 ulDstX2;
+ u32 ulDstY2;
+
+ /*clipped pixel pos of source data within buffer thses need to be 128 bit word aligned */
+ u32 ulSrcX1;
+ u32 ulSrcY1;
+ u32 ulSrcX2;
+ u32 ulSrcY2;
+
+ /* on-screen pixel position of overlay */
+ s32 lDstX1;
+ s32 lDstY1;
+ s32 lDstX2;
+ s32 lDstY2;
+} OVRL_SRC_DEST;
+
+static u32 ovlWidth, ovlHeight, ovlStride;
+static int ovlLinear;
+
+void ResetOverlayRegisters(volatile STG4000REG __iomem *pSTGReg)
+{
+ u32 tmp;
+
+ /* Set Overlay address to default */
+ tmp = STG_READ_REG(DACOverlayAddr);
+ CLEAR_BITS_FRM_TO(0, 20);
+ CLEAR_BIT(31);
+ STG_WRITE_REG(DACOverlayAddr, tmp);
+
+ /* Set Overlay U address */
+ tmp = STG_READ_REG(DACOverlayUAddr);
+ CLEAR_BITS_FRM_TO(0, 20);
+ STG_WRITE_REG(DACOverlayUAddr, tmp);
+
+ /* Set Overlay V address */
+ tmp = STG_READ_REG(DACOverlayVAddr);
+ CLEAR_BITS_FRM_TO(0, 20);
+ STG_WRITE_REG(DACOverlayVAddr, tmp);
+
+ /* Set Overlay Size */
+ tmp = STG_READ_REG(DACOverlaySize);
+ CLEAR_BITS_FRM_TO(0, 10);
+ CLEAR_BITS_FRM_TO(12, 31);
+ STG_WRITE_REG(DACOverlaySize, tmp);
+
+ /* Set Overlay Vt Decimation */
+ tmp = STG4000_NO_DECIMATION;
+ STG_WRITE_REG(DACOverlayVtDec, tmp);
+
+ /* Set Overlay format to default value */
+ tmp = STG_READ_REG(DACPixelFormat);
+ CLEAR_BITS_FRM_TO(4, 7);
+ CLEAR_BITS_FRM_TO(16, 22);
+ STG_WRITE_REG(DACPixelFormat, tmp);
+
+ /* Set Vertical scaling to default */
+ tmp = STG_READ_REG(DACVerticalScal);
+ CLEAR_BITS_FRM_TO(0, 11);
+ CLEAR_BITS_FRM_TO(16, 22);
+ tmp |= STG4000_NO_SCALING; /* Set to no scaling */
+ STG_WRITE_REG(DACVerticalScal, tmp);
+
+ /* Set Horizontal Scaling to default */
+ tmp = STG_READ_REG(DACHorizontalScal);
+ CLEAR_BITS_FRM_TO(0, 11);
+ CLEAR_BITS_FRM_TO(16, 17);
+ tmp |= STG4000_NO_SCALING; /* Set to no scaling */
+ STG_WRITE_REG(DACHorizontalScal, tmp);
+
+ /* Set Blend mode to Alpha Blend */
+ /* ????? SG 08/11/2001 Surely this isn't the alpha blend mode,
+ hopefully its overwrite
+ */
+ tmp = STG_READ_REG(DACBlendCtrl);
+ CLEAR_BITS_FRM_TO(0, 30);
+ tmp = (GRAPHICS_MODE << 28);
+ STG_WRITE_REG(DACBlendCtrl, tmp);
+
+}
+
+int CreateOverlaySurface(volatile STG4000REG __iomem *pSTGReg,
+ u32 inWidth,
+ u32 inHeight,
+ int bLinear,
+ u32 ulOverlayOffset,
+ u32 * retStride, u32 * retUVStride)
+{
+ u32 tmp;
+ u32 ulStride;
+
+ if (inWidth > STG4000_OVRL_MAX_WIDTH ||
+ inHeight > STG4000_OVRL_MAX_HEIGHT) {
+ return -EINVAL;
+ }
+
+ /* Stride in 16 byte words - 16Bpp */
+ if (bLinear) {
+ /* Format is 16bits so num 16 byte words is width/8 */
+ if ((inWidth & 0x7) == 0) { /* inWidth % 8 */
+ ulStride = (inWidth / 8);
+ } else {
+ /* Round up to next 16byte boundary */
+ ulStride = ((inWidth + 8) / 8);
+ }
+ } else {
+ /* Y component is 8bits so num 16 byte words is width/16 */
+ if ((inWidth & 0xf) == 0) { /* inWidth % 16 */
+ ulStride = (inWidth / 16);
+ } else {
+ /* Round up to next 16byte boundary */
+ ulStride = ((inWidth + 16) / 16);
+ }
+ }
+
+
+ /* Set Overlay address and Format mode */
+ tmp = STG_READ_REG(DACOverlayAddr);
+ CLEAR_BITS_FRM_TO(0, 20);
+ if (bLinear) {
+ CLEAR_BIT(31); /* Overlay format to Linear */
+ } else {
+ tmp |= SET_BIT(31); /* Overlay format to Planer */
+ }
+
+ /* Only bits 24:4 of the Overlay address */
+ tmp |= (ulOverlayOffset >> 4);
+ STG_WRITE_REG(DACOverlayAddr, tmp);
+
+ if (!bLinear) {
+ u32 uvSize =
+ (inWidth & 0x1) ? (inWidth + 1 / 2) : (inWidth / 2);
+ u32 uvStride;
+ u32 ulOffset;
+ /* Y component is 8bits so num 32 byte words is width/32 */
+ if ((uvSize & 0xf) == 0) { /* inWidth % 16 */
+ uvStride = (uvSize / 16);
+ } else {
+ /* Round up to next 32byte boundary */
+ uvStride = ((uvSize + 16) / 16);
+ }
+
+ ulOffset = ulOverlayOffset + (inHeight * (ulStride * 16));
+ /* Align U,V data to 32byte boundary */
+ if ((ulOffset & 0x1f) != 0)
+ ulOffset = (ulOffset + 32L) & 0xffffffE0L;
+
+ tmp = STG_READ_REG(DACOverlayUAddr);
+ CLEAR_BITS_FRM_TO(0, 20);
+ tmp |= (ulOffset >> 4);
+ STG_WRITE_REG(DACOverlayUAddr, tmp);
+
+ ulOffset += (inHeight / 2) * (uvStride * 16);
+ /* Align U,V data to 32byte boundary */
+ if ((ulOffset & 0x1f) != 0)
+ ulOffset = (ulOffset + 32L) & 0xffffffE0L;
+
+ tmp = STG_READ_REG(DACOverlayVAddr);
+ CLEAR_BITS_FRM_TO(0, 20);
+ tmp |= (ulOffset >> 4);
+ STG_WRITE_REG(DACOverlayVAddr, tmp);
+
+ *retUVStride = uvStride * 16;
+ }
+
+
+ /* Set Overlay YUV pixel format
+ * Make sure that LUT not used - ??????
+ */
+ tmp = STG_READ_REG(DACPixelFormat);
+ /* Only support Planer or UYVY linear formats */
+ CLEAR_BITS_FRM_TO(4, 9);
+ STG_WRITE_REG(DACPixelFormat, tmp);
+
+ ovlWidth = inWidth;
+ ovlHeight = inHeight;
+ ovlStride = ulStride;
+ ovlLinear = bLinear;
+ *retStride = ulStride << 4; /* In bytes */
+
+ return 0;
+}
+
+int SetOverlayBlendMode(volatile STG4000REG __iomem *pSTGReg,
+ OVRL_BLEND_MODE mode,
+ u32 ulAlpha, u32 ulColorKey)
+{
+ u32 tmp;
+
+ tmp = STG_READ_REG(DACBlendCtrl);
+ CLEAR_BITS_FRM_TO(28, 30);
+ tmp |= (mode << 28);
+
+ switch (mode) {
+ case COLOR_KEY:
+ CLEAR_BITS_FRM_TO(0, 23);
+ tmp |= (ulColorKey & 0x00FFFFFF);
+ break;
+
+ case GLOBAL_ALPHA:
+ CLEAR_BITS_FRM_TO(24, 27);
+ tmp |= ((ulAlpha & 0xF) << 24);
+ break;
+
+ case CK_PIXEL_ALPHA:
+ CLEAR_BITS_FRM_TO(0, 23);
+ tmp |= (ulColorKey & 0x00FFFFFF);
+ break;
+
+ case CK_GLOBAL_ALPHA:
+ CLEAR_BITS_FRM_TO(0, 23);
+ tmp |= (ulColorKey & 0x00FFFFFF);
+ CLEAR_BITS_FRM_TO(24, 27);
+ tmp |= ((ulAlpha & 0xF) << 24);
+ break;
+
+ case GRAPHICS_MODE:
+ case PER_PIXEL_ALPHA:
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ STG_WRITE_REG(DACBlendCtrl, tmp);
+
+ return 0;
+}
+
+void EnableOverlayPlane(volatile STG4000REG __iomem *pSTGReg)
+{
+ u32 tmp;
+ /* Enable Overlay */
+ tmp = STG_READ_REG(DACPixelFormat);
+ tmp |= SET_BIT(7);
+ STG_WRITE_REG(DACPixelFormat, tmp);
+
+ /* Set video stream control */
+ tmp = STG_READ_REG(DACStreamCtrl);
+ tmp |= SET_BIT(1); /* video stream */
+ STG_WRITE_REG(DACStreamCtrl, tmp);
+}
+
+static u32 Overlap(u32 ulBits, u32 ulPattern)
+{
+ u32 ulCount = 0;
+
+ while (ulBits) {
+ if (!(ulPattern & 1))
+ ulCount++;
+ ulBits--;
+ ulPattern = ulPattern >> 1;
+ }
+
+ return ulCount;
+
+}
+
+int SetOverlayViewPort(volatile STG4000REG __iomem *pSTGReg,
+ u32 left, u32 top,
+ u32 right, u32 bottom)
+{
+ OVRL_SRC_DEST srcDest;
+
+ u32 ulSrcTop, ulSrcBottom;
+ u32 ulSrc, ulDest;
+ u32 ulFxScale, ulFxOffset;
+ u32 ulHeight, ulWidth;
+ u32 ulPattern;
+ u32 ulDecimate, ulDecimated;
+ u32 ulApplied;
+ u32 ulDacXScale, ulDacYScale;
+ u32 ulScale;
+ u32 ulLeft, ulRight;
+ u32 ulSrcLeft, ulSrcRight;
+ u32 ulScaleLeft, ulScaleRight;
+ u32 ulhDecim;
+ u32 ulsVal;
+ u32 ulVertDecFactor;
+ int bResult;
+ u32 ulClipOff = 0;
+ u32 ulBits = 0;
+ u32 ulsAdd = 0;
+ u32 tmp, ulStride;
+ u32 ulExcessPixels, ulClip, ulExtraLines;
+
+
+ srcDest.ulSrcX1 = 0;
+ srcDest.ulSrcY1 = 0;
+ srcDest.ulSrcX2 = ovlWidth - 1;
+ srcDest.ulSrcY2 = ovlHeight - 1;
+
+ srcDest.ulDstX1 = left;
+ srcDest.ulDstY1 = top;
+ srcDest.ulDstX2 = right;
+ srcDest.ulDstY2 = bottom;
+
+ srcDest.lDstX1 = srcDest.ulDstX1;
+ srcDest.lDstY1 = srcDest.ulDstY1;
+ srcDest.lDstX2 = srcDest.ulDstX2;
+ srcDest.lDstY2 = srcDest.ulDstY2;
+
+ /************* Vertical decimation/scaling ******************/
+
+ /* Get Src Top and Bottom */
+ ulSrcTop = srcDest.ulSrcY1;
+ ulSrcBottom = srcDest.ulSrcY2;
+
+ ulSrc = ulSrcBottom - ulSrcTop;
+ ulDest = srcDest.lDstY2 - srcDest.lDstY1; /* on-screen overlay */
+
+ if (ulSrc <= 1)
+ return -EINVAL;
+
+ /* First work out the position we are to display as offset from the
+ * source of the buffer
+ */
+ ulFxScale = (ulDest << 11) / ulSrc; /* fixed point scale factor */
+ ulFxOffset = (srcDest.lDstY2 - srcDest.ulDstY2) << 11;
+
+ ulSrcBottom = ulSrcBottom - (ulFxOffset / ulFxScale);
+ ulSrc = ulSrcBottom - ulSrcTop;
+ ulHeight = ulSrc;
+
+ ulDest = srcDest.ulDstY2 - (srcDest.ulDstY1 - 1);
+ ulPattern = adwDecim8[ulBits];
+
+ /* At this point ulSrc represents the input decimator */
+ if (ulSrc > ulDest) {
+ ulDecimate = ulSrc - ulDest;
+ ulBits = 0;
+ ulApplied = ulSrc / 32;
+
+ while (((ulBits * ulApplied) +
+ Overlap((ulSrc % 32),
+ adwDecim8[ulBits])) < ulDecimate)
+ ulBits++;
+
+ ulPattern = adwDecim8[ulBits];
+ ulDecimated =
+ (ulBits * ulApplied) + Overlap((ulSrc % 32),
+ ulPattern);
+ ulSrc = ulSrc - ulDecimated; /* the number number of lines that will go into the scaler */
+ }
+
+ if (ulBits && (ulBits != 32)) {
+ ulVertDecFactor = (63 - ulBits) / (32 - ulBits); /* vertical decimation factor scaled up to nearest integer */
+ } else {
+ ulVertDecFactor = 1;
+ }
+
+ ulDacYScale = ((ulSrc - 1) * 2048) / (ulDest + 1);
+
+ tmp = STG_READ_REG(DACOverlayVtDec); /* Decimation */
+ CLEAR_BITS_FRM_TO(0, 31);
+ tmp = ulPattern;
+ STG_WRITE_REG(DACOverlayVtDec, tmp);
+
+ /***************** Horizontal decimation/scaling ***************************/
+
+ /*
+ * Now we handle the horizontal case, this is a simplified version of
+ * the vertical case in that we decimate by factors of 2. as we are
+ * working in words we should always be able to decimate by these
+ * factors. as we always have to have a buffer which is aligned to a
+ * whole number of 128 bit words, we must align the left side to the
+ * lowest to the next lowest 128 bit boundary, and the right hand edge
+ * to the next largets boundary, (in a similar way to how we didi it in
+ * PMX1) as the left and right hand edges are aligned to these
+ * boundaries normally this only becomes an issue when we are chopping
+ * of one of the sides We shall work out vertical stuff first
+ */
+ ulSrc = srcDest.ulSrcX2 - srcDest.ulSrcX1;
+ ulDest = srcDest.lDstX2 - srcDest.lDstX1;
+#ifdef _OLDCODE
+ ulLeft = srcDest.ulDstX1;
+ ulRight = srcDest.ulDstX2;
+#else
+ if (srcDest.ulDstX1 > 2) {
+ ulLeft = srcDest.ulDstX1 + 2;
+ ulRight = srcDest.ulDstX2 + 1;
+ } else {
+ ulLeft = srcDest.ulDstX1;
+ ulRight = srcDest.ulDstX2 + 1;
+ }
+#endif
+ /* first work out the position we are to display as offset from the source of the buffer */
+ bResult = 1;
+
+ do {
+ if (ulDest == 0)
+ return -EINVAL;
+
+ /* source pixels per dest pixel <<11 */
+ ulFxScale = ((ulSrc - 1) << 11) / (ulDest);
+
+ /* then number of destination pixels out we are */
+ ulFxOffset = ulFxScale * ((srcDest.ulDstX1 - srcDest.lDstX1) + ulClipOff);
+ ulFxOffset >>= 11;
+
+ /* this replaces the code which was making a decision as to use either ulFxOffset or ulSrcX1 */
+ ulSrcLeft = srcDest.ulSrcX1 + ulFxOffset;
+
+ /* then number of destination pixels out we are */
+ ulFxOffset = ulFxScale * (srcDest.lDstX2 - srcDest.ulDstX2);
+ ulFxOffset >>= 11;
+
+ ulSrcRight = srcDest.ulSrcX2 - ulFxOffset;
+
+ /*
+ * we must align these to our 128 bit boundaries. we shall
+ * round down the pixel pos to the nearest 8 pixels.
+ */
+ ulScaleLeft = ulSrcLeft;
+ ulScaleRight = ulSrcRight;
+
+ /* shift fxscale until it is in the range of the scaler */
+ ulhDecim = 0;
+ ulScale = (((ulSrcRight - ulSrcLeft) - 1) << (11 - ulhDecim)) / (ulRight - ulLeft + 2);
+
+ while (ulScale > 0x800) {
+ ulhDecim++;
+ ulScale = (((ulSrcRight - ulSrcLeft) - 1) << (11 - ulhDecim)) / (ulRight - ulLeft + 2);
+ }
+
+ /*
+ * to try and get the best values We first try and use
+ * src/dwdest for the scale factor, then we move onto src-1
+ *
+ * we want to check to see if we will need to clip data, if so
+ * then we should clip our source so that we don't need to
+ */
+ if (!ovlLinear) {
+ ulSrcLeft &= ~0x1f;
+
+ /*
+ * we must align the right hand edge to the next 32
+ * pixel` boundary, must be on a 256 boundary so u, and
+ * v are 128 bit aligned
+ */
+ ulSrcRight = (ulSrcRight + 0x1f) & ~0x1f;
+ } else {
+ ulSrcLeft &= ~0x7;
+
+ /*
+ * we must align the right hand edge to the next
+ * 8pixel` boundary
+ */
+ ulSrcRight = (ulSrcRight + 0x7) & ~0x7;
+ }
+
+ /* this is the input size line store needs to cope with */
+ ulWidth = ulSrcRight - ulSrcLeft;
+
+ /*
+ * use unclipped value to work out scale factror this is the
+ * scale factor we want we shall now work out the horizonal
+ * decimation and scaling
+ */
+ ulsVal = ((ulWidth / 8) >> ulhDecim);
+
+ if ((ulWidth != (ulsVal << ulhDecim) * 8))
+ ulsAdd = 1;
+
+ /* input pixels to scaler; */
+ ulSrc = ulWidth >> ulhDecim;
+
+ if (ulSrc <= 2)
+ return -EINVAL;
+
+ ulExcessPixels = ((((ulScaleLeft - ulSrcLeft)) << (11 - ulhDecim)) / ulScale);
+
+ ulClip = (ulSrc << 11) / ulScale;
+ ulClip -= (ulRight - ulLeft);
+ ulClip += ulExcessPixels;
+
+ if (ulClip)
+ ulClip--;
+
+ /* We may need to do more here if we really have a HW rev < 5 */
+ } while (!bResult);
+
+ ulExtraLines = (1 << ulhDecim) * ulVertDecFactor;
+ ulExtraLines += 64;
+ ulHeight += ulExtraLines;
+
+ ulDacXScale = ulScale;
+
+
+ tmp = STG_READ_REG(DACVerticalScal);
+ CLEAR_BITS_FRM_TO(0, 11);
+ CLEAR_BITS_FRM_TO(16, 22); /* Vertical Scaling */
+
+ /* Calculate new output line stride, this is always the number of 422
+ words in the line buffer, so it doesn't matter if the
+ mode is 420. Then set the vertical scale register.
+ */
+ ulStride = (ulWidth >> (ulhDecim + 3)) + ulsAdd;
+ tmp |= ((ulStride << 16) | (ulDacYScale)); /* DAC_LS_CTRL = stride */
+ STG_WRITE_REG(DACVerticalScal, tmp);
+
+ /* Now set up the overlay size using the modified width and height
+ from decimate and scaling calculations
+ */
+ tmp = STG_READ_REG(DACOverlaySize);
+ CLEAR_BITS_FRM_TO(0, 10);
+ CLEAR_BITS_FRM_TO(12, 31);
+
+ if (ovlLinear) {
+ tmp |=
+ (ovlStride | ((ulHeight + 1) << 12) |
+ (((ulWidth / 8) - 1) << 23));
+ } else {
+ tmp |=
+ (ovlStride | ((ulHeight + 1) << 12) |
+ (((ulWidth / 32) - 1) << 23));
+ }
+
+ STG_WRITE_REG(DACOverlaySize, tmp);
+
+ /* Set Video Window Start */
+ tmp = ((ulLeft << 16)) | (srcDest.ulDstY1);
+ STG_WRITE_REG(DACVidWinStart, tmp);
+
+ /* Set Video Window End */
+ tmp = ((ulRight) << 16) | (srcDest.ulDstY2);
+ STG_WRITE_REG(DACVidWinEnd, tmp);
+
+ /* Finally set up the rest of the overlay regs in the order
+ done in the IMG driver
+ */
+ tmp = STG_READ_REG(DACPixelFormat);
+ tmp = ((ulExcessPixels << 16) | tmp) & 0x7fffffff;
+ STG_WRITE_REG(DACPixelFormat, tmp);
+
+ tmp = STG_READ_REG(DACHorizontalScal);
+ CLEAR_BITS_FRM_TO(0, 11);
+ CLEAR_BITS_FRM_TO(16, 17);
+ tmp |= ((ulhDecim << 16) | (ulDacXScale));
+ STG_WRITE_REG(DACHorizontalScal, tmp);
+
+ return 0;
+}
diff --git a/drivers/video/fbdev/kyro/STG4000Ramdac.c b/drivers/video/fbdev/kyro/STG4000Ramdac.c
new file mode 100644
index 000000000..e6ad037e4
--- /dev/null
+++ b/drivers/video/fbdev/kyro/STG4000Ramdac.c
@@ -0,0 +1,163 @@
+/*
+ * linux/drivers/video/kyro/STG4000Ramdac.c
+ *
+ * Copyright (C) 2002 STMicroelectronics
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <video/kyro.h>
+
+#include "STG4000Reg.h"
+#include "STG4000Interface.h"
+
+static u32 STG_PIXEL_BUS_WIDTH = 128; /* 128 bit bus width */
+static u32 REF_CLOCK = 14318;
+
+int InitialiseRamdac(volatile STG4000REG __iomem * pSTGReg,
+ u32 displayDepth,
+ u32 displayWidth,
+ u32 displayHeight,
+ s32 HSyncPolarity,
+ s32 VSyncPolarity, u32 * pixelClock)
+{
+ u32 tmp = 0;
+ u32 F = 0, R = 0, P = 0;
+ u32 stride = 0;
+ u32 ulPdiv = 0;
+ u32 physicalPixelDepth = 0;
+ /* Make sure DAC is in Reset */
+ tmp = STG_READ_REG(SoftwareReset);
+
+ if (tmp & 0x1) {
+ CLEAR_BIT(1);
+ STG_WRITE_REG(SoftwareReset, tmp);
+ }
+
+ /* Set Pixel Format */
+ tmp = STG_READ_REG(DACPixelFormat);
+ CLEAR_BITS_FRM_TO(0, 2);
+
+ /* Set LUT not used from 16bpp to 32 bpp ??? */
+ CLEAR_BITS_FRM_TO(8, 9);
+
+ switch (displayDepth) {
+ case 16:
+ {
+ physicalPixelDepth = 16;
+ tmp |= _16BPP;
+ break;
+ }
+ case 32:
+ {
+ /* Set for 32 bits per pixel */
+ physicalPixelDepth = 32;
+ tmp |= _32BPP;
+ break;
+ }
+ default:
+ return -EINVAL;
+ }
+
+ STG_WRITE_REG(DACPixelFormat, tmp);
+
+ /* Workout Bus transfer bandwidth according to pixel format */
+ ulPdiv = STG_PIXEL_BUS_WIDTH / physicalPixelDepth;
+
+ /* Get Screen Stride in pixels */
+ stride = displayWidth;
+
+ /* Set Primary size info */
+ tmp = STG_READ_REG(DACPrimSize);
+ CLEAR_BITS_FRM_TO(0, 10);
+ CLEAR_BITS_FRM_TO(12, 31);
+ tmp |=
+ ((((displayHeight - 1) << 12) | (((displayWidth / ulPdiv) -
+ 1) << 23))
+ | (stride / ulPdiv));
+ STG_WRITE_REG(DACPrimSize, tmp);
+
+
+ /* Set Pixel Clock */
+ *pixelClock = ProgramClock(REF_CLOCK, *pixelClock, &F, &R, &P);
+
+ /* Set DAC PLL Mode */
+ tmp = STG_READ_REG(DACPLLMode);
+ CLEAR_BITS_FRM_TO(0, 15);
+ /* tmp |= ((P-1) | ((F-2) << 2) | ((R-2) << 11)); */
+ tmp |= ((P) | ((F - 2) << 2) | ((R - 2) << 11));
+ STG_WRITE_REG(DACPLLMode, tmp);
+
+ /* Set Prim Address */
+ tmp = STG_READ_REG(DACPrimAddress);
+ CLEAR_BITS_FRM_TO(0, 20);
+ CLEAR_BITS_FRM_TO(20, 31);
+ STG_WRITE_REG(DACPrimAddress, tmp);
+
+ /* Set Cursor details with HW Cursor disabled */
+ tmp = STG_READ_REG(DACCursorCtrl);
+ tmp &= ~SET_BIT(31);
+ STG_WRITE_REG(DACCursorCtrl, tmp);
+
+ tmp = STG_READ_REG(DACCursorAddr);
+ CLEAR_BITS_FRM_TO(0, 20);
+ STG_WRITE_REG(DACCursorAddr, tmp);
+
+ /* Set Video Window */
+ tmp = STG_READ_REG(DACVidWinStart);
+ CLEAR_BITS_FRM_TO(0, 10);
+ CLEAR_BITS_FRM_TO(16, 26);
+ STG_WRITE_REG(DACVidWinStart, tmp);
+
+ tmp = STG_READ_REG(DACVidWinEnd);
+ CLEAR_BITS_FRM_TO(0, 10);
+ CLEAR_BITS_FRM_TO(16, 26);
+ STG_WRITE_REG(DACVidWinEnd, tmp);
+
+ /* Set DAC Border Color to default */
+ tmp = STG_READ_REG(DACBorderColor);
+ CLEAR_BITS_FRM_TO(0, 23);
+ STG_WRITE_REG(DACBorderColor, tmp);
+
+ /* Set Graphics and Overlay Burst Control */
+ STG_WRITE_REG(DACBurstCtrl, 0x0404);
+
+ /* Set CRC Trigger to default */
+ tmp = STG_READ_REG(DACCrcTrigger);
+ CLEAR_BIT(0);
+ STG_WRITE_REG(DACCrcTrigger, tmp);
+
+ /* Set Video Port Control to default */
+ tmp = STG_READ_REG(DigVidPortCtrl);
+ CLEAR_BIT(8);
+ CLEAR_BITS_FRM_TO(16, 27);
+ CLEAR_BITS_FRM_TO(1, 3);
+ CLEAR_BITS_FRM_TO(10, 11);
+ STG_WRITE_REG(DigVidPortCtrl, tmp);
+
+ return 0;
+}
+
+/* Ramdac control, turning output to the screen on and off */
+void DisableRamdacOutput(volatile STG4000REG __iomem * pSTGReg)
+{
+ u32 tmp;
+
+ /* Disable DAC for Graphics Stream Control */
+ tmp = (STG_READ_REG(DACStreamCtrl)) & ~SET_BIT(0);
+ STG_WRITE_REG(DACStreamCtrl, tmp);
+}
+
+void EnableRamdacOutput(volatile STG4000REG __iomem * pSTGReg)
+{
+ u32 tmp;
+
+ /* Enable DAC for Graphics Stream Control */
+ tmp = (STG_READ_REG(DACStreamCtrl)) | SET_BIT(0);
+ STG_WRITE_REG(DACStreamCtrl, tmp);
+}
diff --git a/drivers/video/fbdev/kyro/STG4000Reg.h b/drivers/video/fbdev/kyro/STG4000Reg.h
new file mode 100644
index 000000000..50f4670e9
--- /dev/null
+++ b/drivers/video/fbdev/kyro/STG4000Reg.h
@@ -0,0 +1,283 @@
+/*
+ * linux/drivers/video/kyro/STG4000Reg.h
+ *
+ * Copyright (C) 2002 STMicroelectronics
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef _STG4000REG_H
+#define _STG4000REG_H
+
+#define DWFILL unsigned long :32
+#define WFILL unsigned short :16
+
+/*
+ * Macros that access memory mapped card registers in PCI space
+ * Add an appropriate section for your OS or processor architecture.
+ */
+#if defined(__KERNEL__)
+#include <asm/page.h>
+#include <asm/io.h>
+#define STG_WRITE_REG(reg,data) (writel(data,&pSTGReg->reg))
+#define STG_READ_REG(reg) (readl(&pSTGReg->reg))
+#else
+#define STG_WRITE_REG(reg,data) (pSTGReg->reg = data)
+#define STG_READ_REG(reg) (pSTGReg->reg)
+#endif /* __KERNEL__ */
+
+#define SET_BIT(n) (1<<(n))
+#define CLEAR_BIT(n) (tmp &= ~(1<<n))
+#define CLEAR_BITS_FRM_TO(frm, to) \
+{\
+int i; \
+ for(i = frm; i<= to; i++) \
+ { \
+ tmp &= ~(1<<i); \
+ } \
+}
+
+#define CLEAR_BIT_2(n) (usTemp &= ~(1<<n))
+#define CLEAR_BITS_FRM_TO_2(frm, to) \
+{\
+int i; \
+ for(i = frm; i<= to; i++) \
+ { \
+ usTemp &= ~(1<<i); \
+ } \
+}
+
+/* LUT select */
+typedef enum _LUT_USES {
+ NO_LUT = 0, RESERVED, GRAPHICS, OVERLAY
+} LUT_USES;
+
+/* Primary surface pixel format select */
+typedef enum _PIXEL_FORMAT {
+ _8BPP = 0, _15BPP, _16BPP, _24BPP, _32BPP
+} PIXEL_FORMAT;
+
+/* Overlay blending mode select */
+typedef enum _BLEND_MODE {
+ GRAPHICS_MODE = 0, COLOR_KEY, PER_PIXEL_ALPHA, GLOBAL_ALPHA,
+ CK_PIXEL_ALPHA, CK_GLOBAL_ALPHA
+} OVRL_BLEND_MODE;
+
+/* Overlay Pixel format select */
+typedef enum _OVRL_PIX_FORMAT {
+ UYVY, VYUY, YUYV, YVYU
+} OVRL_PIX_FORMAT;
+
+/* Register Table */
+typedef struct {
+ /* 0h */
+ volatile u32 Thread0Enable; /* 0x0000 */
+ volatile u32 Thread1Enable; /* 0x0004 */
+ volatile u32 Thread0Recover; /* 0x0008 */
+ volatile u32 Thread1Recover; /* 0x000C */
+ volatile u32 Thread0Step; /* 0x0010 */
+ volatile u32 Thread1Step; /* 0x0014 */
+ volatile u32 VideoInStatus; /* 0x0018 */
+ volatile u32 Core2InSignStart; /* 0x001C */
+ volatile u32 Core1ResetVector; /* 0x0020 */
+ volatile u32 Core1ROMOffset; /* 0x0024 */
+ volatile u32 Core1ArbiterPriority; /* 0x0028 */
+ volatile u32 VideoInControl; /* 0x002C */
+ volatile u32 VideoInReg0CtrlA; /* 0x0030 */
+ volatile u32 VideoInReg0CtrlB; /* 0x0034 */
+ volatile u32 VideoInReg1CtrlA; /* 0x0038 */
+ volatile u32 VideoInReg1CtrlB; /* 0x003C */
+ volatile u32 Thread0Kicker; /* 0x0040 */
+ volatile u32 Core2InputSign; /* 0x0044 */
+ volatile u32 Thread0ProgCtr; /* 0x0048 */
+ volatile u32 Thread1ProgCtr; /* 0x004C */
+ volatile u32 Thread1Kicker; /* 0x0050 */
+ volatile u32 GPRegister1; /* 0x0054 */
+ volatile u32 GPRegister2; /* 0x0058 */
+ volatile u32 GPRegister3; /* 0x005C */
+ volatile u32 GPRegister4; /* 0x0060 */
+ volatile u32 SerialIntA; /* 0x0064 */
+
+ volatile u32 Fill0[6]; /* GAP 0x0068 - 0x007C */
+
+ volatile u32 SoftwareReset; /* 0x0080 */
+ volatile u32 SerialIntB; /* 0x0084 */
+
+ volatile u32 Fill1[37]; /* GAP 0x0088 - 0x011C */
+
+ volatile u32 ROMELQV; /* 0x011C */
+ volatile u32 WLWH; /* 0x0120 */
+ volatile u32 ROMELWL; /* 0x0124 */
+
+ volatile u32 dwFill_1; /* GAP 0x0128 */
+
+ volatile u32 IntStatus; /* 0x012C */
+ volatile u32 IntMask; /* 0x0130 */
+ volatile u32 IntClear; /* 0x0134 */
+
+ volatile u32 Fill2[6]; /* GAP 0x0138 - 0x014C */
+
+ volatile u32 ROMGPIOA; /* 0x0150 */
+ volatile u32 ROMGPIOB; /* 0x0154 */
+ volatile u32 ROMGPIOC; /* 0x0158 */
+ volatile u32 ROMGPIOD; /* 0x015C */
+
+ volatile u32 Fill3[2]; /* GAP 0x0160 - 0x0168 */
+
+ volatile u32 AGPIntID; /* 0x0168 */
+ volatile u32 AGPIntClassCode; /* 0x016C */
+ volatile u32 AGPIntBIST; /* 0x0170 */
+ volatile u32 AGPIntSSID; /* 0x0174 */
+ volatile u32 AGPIntPMCSR; /* 0x0178 */
+ volatile u32 VGAFrameBufBase; /* 0x017C */
+ volatile u32 VGANotify; /* 0x0180 */
+ volatile u32 DACPLLMode; /* 0x0184 */
+ volatile u32 Core1VideoClockDiv; /* 0x0188 */
+ volatile u32 AGPIntStat; /* 0x018C */
+
+ /*
+ volatile u32 Fill4[0x0400/4 - 0x0190/4]; //GAP 0x0190 - 0x0400
+ volatile u32 Fill5[0x05FC/4 - 0x0400/4]; //GAP 0x0400 - 0x05FC Fog Table
+ volatile u32 Fill6[0x0604/4 - 0x0600/4]; //GAP 0x0600 - 0x0604
+ volatile u32 Fill7[0x0680/4 - 0x0608/4]; //GAP 0x0608 - 0x0680
+ volatile u32 Fill8[0x07FC/4 - 0x0684/4]; //GAP 0x0684 - 0x07FC
+ */
+ volatile u32 Fill4[412]; /* 0x0190 - 0x07FC */
+
+ volatile u32 TACtrlStreamBase; /* 0x0800 */
+ volatile u32 TAObjDataBase; /* 0x0804 */
+ volatile u32 TAPtrDataBase; /* 0x0808 */
+ volatile u32 TARegionDataBase; /* 0x080C */
+ volatile u32 TATailPtrBase; /* 0x0810 */
+ volatile u32 TAPtrRegionSize; /* 0x0814 */
+ volatile u32 TAConfiguration; /* 0x0818 */
+ volatile u32 TAObjDataStartAddr; /* 0x081C */
+ volatile u32 TAObjDataEndAddr; /* 0x0820 */
+ volatile u32 TAXScreenClip; /* 0x0824 */
+ volatile u32 TAYScreenClip; /* 0x0828 */
+ volatile u32 TARHWClamp; /* 0x082C */
+ volatile u32 TARHWCompare; /* 0x0830 */
+ volatile u32 TAStart; /* 0x0834 */
+ volatile u32 TAObjReStart; /* 0x0838 */
+ volatile u32 TAPtrReStart; /* 0x083C */
+ volatile u32 TAStatus1; /* 0x0840 */
+ volatile u32 TAStatus2; /* 0x0844 */
+ volatile u32 TAIntStatus; /* 0x0848 */
+ volatile u32 TAIntMask; /* 0x084C */
+
+ volatile u32 Fill5[235]; /* GAP 0x0850 - 0x0BF8 */
+
+ volatile u32 TextureAddrThresh; /* 0x0BFC */
+ volatile u32 Core1Translation; /* 0x0C00 */
+ volatile u32 TextureAddrReMap; /* 0x0C04 */
+ volatile u32 RenderOutAGPRemap; /* 0x0C08 */
+ volatile u32 _3DRegionReadTrans; /* 0x0C0C */
+ volatile u32 _3DPtrReadTrans; /* 0x0C10 */
+ volatile u32 _3DParamReadTrans; /* 0x0C14 */
+ volatile u32 _3DRegionReadThresh; /* 0x0C18 */
+ volatile u32 _3DPtrReadThresh; /* 0x0C1C */
+ volatile u32 _3DParamReadThresh; /* 0x0C20 */
+ volatile u32 _3DRegionReadAGPRemap; /* 0x0C24 */
+ volatile u32 _3DPtrReadAGPRemap; /* 0x0C28 */
+ volatile u32 _3DParamReadAGPRemap; /* 0x0C2C */
+ volatile u32 ZBufferAGPRemap; /* 0x0C30 */
+ volatile u32 TAIndexAGPRemap; /* 0x0C34 */
+ volatile u32 TAVertexAGPRemap; /* 0x0C38 */
+ volatile u32 TAUVAddrTrans; /* 0x0C3C */
+ volatile u32 TATailPtrCacheTrans; /* 0x0C40 */
+ volatile u32 TAParamWriteTrans; /* 0x0C44 */
+ volatile u32 TAPtrWriteTrans; /* 0x0C48 */
+ volatile u32 TAParamWriteThresh; /* 0x0C4C */
+ volatile u32 TAPtrWriteThresh; /* 0x0C50 */
+ volatile u32 TATailPtrCacheAGPRe; /* 0x0C54 */
+ volatile u32 TAParamWriteAGPRe; /* 0x0C58 */
+ volatile u32 TAPtrWriteAGPRe; /* 0x0C5C */
+ volatile u32 SDRAMArbiterConf; /* 0x0C60 */
+ volatile u32 SDRAMConf0; /* 0x0C64 */
+ volatile u32 SDRAMConf1; /* 0x0C68 */
+ volatile u32 SDRAMConf2; /* 0x0C6C */
+ volatile u32 SDRAMRefresh; /* 0x0C70 */
+ volatile u32 SDRAMPowerStat; /* 0x0C74 */
+
+ volatile u32 Fill6[2]; /* GAP 0x0C78 - 0x0C7C */
+
+ volatile u32 RAMBistData; /* 0x0C80 */
+ volatile u32 RAMBistCtrl; /* 0x0C84 */
+ volatile u32 FIFOBistKey; /* 0x0C88 */
+ volatile u32 RAMBistResult; /* 0x0C8C */
+ volatile u32 FIFOBistResult; /* 0x0C90 */
+
+ /*
+ volatile u32 Fill11[0x0CBC/4 - 0x0C94/4]; //GAP 0x0C94 - 0x0CBC
+ volatile u32 Fill12[0x0CD0/4 - 0x0CC0/4]; //GAP 0x0CC0 - 0x0CD0 3DRegisters
+ */
+
+ volatile u32 Fill7[16]; /* 0x0c94 - 0x0cd0 */
+
+ volatile u32 SDRAMAddrSign; /* 0x0CD4 */
+ volatile u32 SDRAMDataSign; /* 0x0CD8 */
+ volatile u32 SDRAMSignConf; /* 0x0CDC */
+
+ /* DWFILL; //GAP 0x0CE0 */
+ volatile u32 dwFill_2;
+
+ volatile u32 ISPSignature; /* 0x0CE4 */
+
+ volatile u32 Fill8[454]; /*GAP 0x0CE8 - 0x13FC */
+
+ volatile u32 DACPrimAddress; /* 0x1400 */
+ volatile u32 DACPrimSize; /* 0x1404 */
+ volatile u32 DACCursorAddr; /* 0x1408 */
+ volatile u32 DACCursorCtrl; /* 0x140C */
+ volatile u32 DACOverlayAddr; /* 0x1410 */
+ volatile u32 DACOverlayUAddr; /* 0x1414 */
+ volatile u32 DACOverlayVAddr; /* 0x1418 */
+ volatile u32 DACOverlaySize; /* 0x141C */
+ volatile u32 DACOverlayVtDec; /* 0x1420 */
+
+ volatile u32 Fill9[9]; /* GAP 0x1424 - 0x1444 */
+
+ volatile u32 DACVerticalScal; /* 0x1448 */
+ volatile u32 DACPixelFormat; /* 0x144C */
+ volatile u32 DACHorizontalScal; /* 0x1450 */
+ volatile u32 DACVidWinStart; /* 0x1454 */
+ volatile u32 DACVidWinEnd; /* 0x1458 */
+ volatile u32 DACBlendCtrl; /* 0x145C */
+ volatile u32 DACHorTim1; /* 0x1460 */
+ volatile u32 DACHorTim2; /* 0x1464 */
+ volatile u32 DACHorTim3; /* 0x1468 */
+ volatile u32 DACVerTim1; /* 0x146C */
+ volatile u32 DACVerTim2; /* 0x1470 */
+ volatile u32 DACVerTim3; /* 0x1474 */
+ volatile u32 DACBorderColor; /* 0x1478 */
+ volatile u32 DACSyncCtrl; /* 0x147C */
+ volatile u32 DACStreamCtrl; /* 0x1480 */
+ volatile u32 DACLUTAddress; /* 0x1484 */
+ volatile u32 DACLUTData; /* 0x1488 */
+ volatile u32 DACBurstCtrl; /* 0x148C */
+ volatile u32 DACCrcTrigger; /* 0x1490 */
+ volatile u32 DACCrcDone; /* 0x1494 */
+ volatile u32 DACCrcResult1; /* 0x1498 */
+ volatile u32 DACCrcResult2; /* 0x149C */
+ volatile u32 DACLinecount; /* 0x14A0 */
+
+ volatile u32 Fill10[151]; /*GAP 0x14A4 - 0x16FC */
+
+ volatile u32 DigVidPortCtrl; /* 0x1700 */
+ volatile u32 DigVidPortStat; /* 0x1704 */
+
+ /*
+ volatile u32 Fill11[0x1FFC/4 - 0x1708/4]; //GAP 0x1708 - 0x1FFC
+ volatile u32 Fill17[0x3000/4 - 0x2FFC/4]; //GAP 0x2000 - 0x2FFC ALUT
+ */
+
+ volatile u32 Fill11[1598];
+
+ /* DWFILL; //GAP 0x3000 ALUT 256MB offset */
+ volatile u32 Fill_3;
+
+} STG4000REG;
+
+#endif /* _STG4000REG_H */
diff --git a/drivers/video/fbdev/kyro/STG4000VTG.c b/drivers/video/fbdev/kyro/STG4000VTG.c
new file mode 100644
index 000000000..bd389709d
--- /dev/null
+++ b/drivers/video/fbdev/kyro/STG4000VTG.c
@@ -0,0 +1,170 @@
+/*
+ * linux/drivers/video/kyro/STG4000VTG.c
+ *
+ * Copyright (C) 2002 STMicroelectronics
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/types.h>
+#include <video/kyro.h>
+
+#include "STG4000Reg.h"
+#include "STG4000Interface.h"
+
+void DisableVGA(volatile STG4000REG __iomem *pSTGReg)
+{
+ u32 tmp;
+ volatile u32 count = 0, i;
+
+ /* Reset the VGA registers */
+ tmp = STG_READ_REG(SoftwareReset);
+ CLEAR_BIT(8);
+ STG_WRITE_REG(SoftwareReset, tmp);
+
+ /* Just for Delay */
+ for (i = 0; i < 1000; i++) {
+ count++;
+ }
+
+ /* Pull-out the VGA registers from reset */
+ tmp = STG_READ_REG(SoftwareReset);
+ tmp |= SET_BIT(8);
+ STG_WRITE_REG(SoftwareReset, tmp);
+}
+
+void StopVTG(volatile STG4000REG __iomem *pSTGReg)
+{
+ u32 tmp = 0;
+
+ /* Stop Ver and Hor Sync Generator */
+ tmp = (STG_READ_REG(DACSyncCtrl)) | SET_BIT(0) | SET_BIT(2);
+ CLEAR_BIT(31);
+ STG_WRITE_REG(DACSyncCtrl, tmp);
+}
+
+void StartVTG(volatile STG4000REG __iomem *pSTGReg)
+{
+ u32 tmp = 0;
+
+ /* Start Ver and Hor Sync Generator */
+ tmp = ((STG_READ_REG(DACSyncCtrl)) | SET_BIT(31));
+ CLEAR_BIT(0);
+ CLEAR_BIT(2);
+ STG_WRITE_REG(DACSyncCtrl, tmp);
+}
+
+void SetupVTG(volatile STG4000REG __iomem *pSTGReg,
+ const struct kyrofb_info * pTiming)
+{
+ u32 tmp = 0;
+ u32 margins = 0;
+ u32 ulBorder;
+ u32 xRes = pTiming->XRES;
+ u32 yRes = pTiming->YRES;
+
+ /* Horizontal */
+ u32 HAddrTime, HRightBorder, HLeftBorder;
+ u32 HBackPorcStrt, HFrontPorchStrt, HTotal,
+ HLeftBorderStrt, HRightBorderStrt, HDisplayStrt;
+
+ /* Vertical */
+ u32 VDisplayStrt, VBottomBorder, VTopBorder;
+ u32 VBackPorchStrt, VTotal, VTopBorderStrt,
+ VFrontPorchStrt, VBottomBorderStrt, VAddrTime;
+
+ /* Need to calculate the right border */
+ if ((xRes == 640) && (yRes == 480)) {
+ if ((pTiming->VFREQ == 60) || (pTiming->VFREQ == 72)) {
+ margins = 8;
+ }
+ }
+
+ /* Work out the Border */
+ ulBorder =
+ (pTiming->HTot -
+ (pTiming->HST + (pTiming->HBP - margins) + xRes +
+ (pTiming->HFP - margins))) >> 1;
+
+ /* Border the same for Vertical and Horizontal */
+ VBottomBorder = HLeftBorder = VTopBorder = HRightBorder = ulBorder;
+
+ /************ Get Timing values for Horizontal ******************/
+ HAddrTime = xRes;
+ HBackPorcStrt = pTiming->HST;
+ HTotal = pTiming->HTot;
+ HDisplayStrt =
+ pTiming->HST + (pTiming->HBP - margins) + HLeftBorder;
+ HLeftBorderStrt = HDisplayStrt - HLeftBorder;
+ HFrontPorchStrt =
+ pTiming->HST + (pTiming->HBP - margins) + HLeftBorder +
+ HAddrTime + HRightBorder;
+ HRightBorderStrt = HFrontPorchStrt - HRightBorder;
+
+ /************ Get Timing values for Vertical ******************/
+ VAddrTime = yRes;
+ VBackPorchStrt = pTiming->VST;
+ VTotal = pTiming->VTot;
+ VDisplayStrt =
+ pTiming->VST + (pTiming->VBP - margins) + VTopBorder;
+ VTopBorderStrt = VDisplayStrt - VTopBorder;
+ VFrontPorchStrt =
+ pTiming->VST + (pTiming->VBP - margins) + VTopBorder +
+ VAddrTime + VBottomBorder;
+ VBottomBorderStrt = VFrontPorchStrt - VBottomBorder;
+
+ /* Set Hor Timing 1, 2, 3 */
+ tmp = STG_READ_REG(DACHorTim1);
+ CLEAR_BITS_FRM_TO(0, 11);
+ CLEAR_BITS_FRM_TO(16, 27);
+ tmp |= (HTotal) | (HBackPorcStrt << 16);
+ STG_WRITE_REG(DACHorTim1, tmp);
+
+ tmp = STG_READ_REG(DACHorTim2);
+ CLEAR_BITS_FRM_TO(0, 11);
+ CLEAR_BITS_FRM_TO(16, 27);
+ tmp |= (HDisplayStrt << 16) | HLeftBorderStrt;
+ STG_WRITE_REG(DACHorTim2, tmp);
+
+ tmp = STG_READ_REG(DACHorTim3);
+ CLEAR_BITS_FRM_TO(0, 11);
+ CLEAR_BITS_FRM_TO(16, 27);
+ tmp |= (HFrontPorchStrt << 16) | HRightBorderStrt;
+ STG_WRITE_REG(DACHorTim3, tmp);
+
+ /* Set Ver Timing 1, 2, 3 */
+ tmp = STG_READ_REG(DACVerTim1);
+ CLEAR_BITS_FRM_TO(0, 11);
+ CLEAR_BITS_FRM_TO(16, 27);
+ tmp |= (VBackPorchStrt << 16) | (VTotal);
+ STG_WRITE_REG(DACVerTim1, tmp);
+
+ tmp = STG_READ_REG(DACVerTim2);
+ CLEAR_BITS_FRM_TO(0, 11);
+ CLEAR_BITS_FRM_TO(16, 27);
+ tmp |= (VDisplayStrt << 16) | VTopBorderStrt;
+ STG_WRITE_REG(DACVerTim2, tmp);
+
+ tmp = STG_READ_REG(DACVerTim3);
+ CLEAR_BITS_FRM_TO(0, 11);
+ CLEAR_BITS_FRM_TO(16, 27);
+ tmp |= (VFrontPorchStrt << 16) | VBottomBorderStrt;
+ STG_WRITE_REG(DACVerTim3, tmp);
+
+ /* Set Verical and Horizontal Polarity */
+ tmp = STG_READ_REG(DACSyncCtrl) | SET_BIT(3) | SET_BIT(1);
+
+ if ((pTiming->HSP > 0) && (pTiming->VSP < 0)) { /* +hsync -vsync */
+ tmp &= ~0x8;
+ } else if ((pTiming->HSP < 0) && (pTiming->VSP > 0)) { /* -hsync +vsync */
+ tmp &= ~0x2;
+ } else if ((pTiming->HSP < 0) && (pTiming->VSP < 0)) { /* -hsync -vsync */
+ tmp &= ~0xA;
+ } else if ((pTiming->HSP > 0) && (pTiming->VSP > 0)) { /* +hsync -vsync */
+ tmp &= ~0x0;
+ }
+
+ STG_WRITE_REG(DACSyncCtrl, tmp);
+}
diff --git a/drivers/video/fbdev/kyro/fbdev.c b/drivers/video/fbdev/kyro/fbdev.c
new file mode 100644
index 000000000..65041e15f
--- /dev/null
+++ b/drivers/video/fbdev/kyro/fbdev.c
@@ -0,0 +1,808 @@
+/*
+ * linux/drivers/video/kyro/fbdev.c
+ *
+ * Copyright (C) 2002 STMicroelectronics
+ * Copyright (C) 2003, 2004 Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/delay.h>
+#include <linux/fb.h>
+#include <linux/ioctl.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <asm/io.h>
+#include <linux/uaccess.h>
+#ifdef CONFIG_MTRR
+#include <asm/mtrr.h>
+#endif
+
+#include <video/kyro.h>
+
+#include "STG4000Reg.h"
+#include "STG4000Interface.h"
+
+/*
+ * PCI Definitions
+ */
+#define PCI_VENDOR_ID_ST 0x104a
+#define PCI_DEVICE_ID_STG4000 0x0010
+
+#define KHZ2PICOS(a) (1000000000UL/(a))
+
+/****************************************************************************/
+static struct fb_fix_screeninfo kyro_fix = {
+ .id = "ST Kyro",
+ .type = FB_TYPE_PACKED_PIXELS,
+ .visual = FB_VISUAL_TRUECOLOR,
+ .accel = FB_ACCEL_NONE,
+};
+
+static struct fb_var_screeninfo kyro_var = {
+ /* 640x480, 16bpp @ 60 Hz */
+ .xres = 640,
+ .yres = 480,
+ .xres_virtual = 640,
+ .yres_virtual = 480,
+ .bits_per_pixel = 16,
+ .red = { 11, 5, 0 },
+ .green = { 5, 6, 0 },
+ .blue = { 0, 5, 0 },
+ .activate = FB_ACTIVATE_NOW,
+ .height = -1,
+ .width = -1,
+ .pixclock = KHZ2PICOS(25175),
+ .left_margin = 48,
+ .right_margin = 16,
+ .upper_margin = 33,
+ .lower_margin = 10,
+ .hsync_len = 96,
+ .vsync_len = 2,
+ .vmode = FB_VMODE_NONINTERLACED,
+};
+
+typedef struct {
+ STG4000REG __iomem *pSTGReg; /* Virtual address of PCI register region */
+ u32 ulNextFreeVidMem; /* Offset from start of vid mem to next free region */
+ u32 ulOverlayOffset; /* Offset from start of vid mem to overlay */
+ u32 ulOverlayStride; /* Interleaved YUV and 422 mode Y stride */
+ u32 ulOverlayUVStride; /* 422 mode U & V stride */
+} device_info_t;
+
+/* global graphics card info structure (one per card) */
+static device_info_t deviceInfo;
+
+static char *mode_option = NULL;
+static int nopan = 0;
+static int nowrap = 1;
+#ifdef CONFIG_MTRR
+static int nomtrr = 0;
+#endif
+
+/* PCI driver prototypes */
+static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
+static void kyrofb_remove(struct pci_dev *pdev);
+
+static struct fb_videomode kyro_modedb[] = {
+ {
+ /* 640x350 @ 85Hz */
+ NULL, 85, 640, 350, KHZ2PICOS(31500),
+ 96, 32, 60, 32, 64, 3,
+ FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 640x400 @ 85Hz */
+ NULL, 85, 640, 400, KHZ2PICOS(31500),
+ 96, 32, 41, 1, 64, 3,
+ FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 720x400 @ 85Hz */
+ NULL, 85, 720, 400, KHZ2PICOS(35500),
+ 108, 36, 42, 1, 72, 3,
+ FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 640x480 @ 60Hz */
+ NULL, 60, 640, 480, KHZ2PICOS(25175),
+ 48, 16, 33, 10, 96, 2,
+ 0, FB_VMODE_NONINTERLACED
+ }, {
+ /* 640x480 @ 72Hz */
+ NULL, 72, 640, 480, KHZ2PICOS(31500),
+ 128, 24, 28, 9, 40, 3,
+ 0, FB_VMODE_NONINTERLACED
+ }, {
+ /* 640x480 @ 75Hz */
+ NULL, 75, 640, 480, KHZ2PICOS(31500),
+ 120, 16, 16, 1, 64, 3,
+ 0, FB_VMODE_NONINTERLACED
+ }, {
+ /* 640x480 @ 85Hz */
+ NULL, 85, 640, 480, KHZ2PICOS(36000),
+ 80, 56, 25, 1, 56, 3,
+ 0, FB_VMODE_NONINTERLACED
+ }, {
+ /* 800x600 @ 56Hz */
+ NULL, 56, 800, 600, KHZ2PICOS(36000),
+ 128, 24, 22, 1, 72, 2,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 800x600 @ 60Hz */
+ NULL, 60, 800, 600, KHZ2PICOS(40000),
+ 88, 40, 23, 1, 128, 4,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 800x600 @ 72Hz */
+ NULL, 72, 800, 600, KHZ2PICOS(50000),
+ 64, 56, 23, 37, 120, 6,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 800x600 @ 75Hz */
+ NULL, 75, 800, 600, KHZ2PICOS(49500),
+ 160, 16, 21, 1, 80, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 800x600 @ 85Hz */
+ NULL, 85, 800, 600, KHZ2PICOS(56250),
+ 152, 32, 27, 1, 64, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1024x768 @ 60Hz */
+ NULL, 60, 1024, 768, KHZ2PICOS(65000),
+ 160, 24, 29, 3, 136, 6,
+ 0, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1024x768 @ 70Hz */
+ NULL, 70, 1024, 768, KHZ2PICOS(75000),
+ 144, 24, 29, 3, 136, 6,
+ 0, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1024x768 @ 75Hz */
+ NULL, 75, 1024, 768, KHZ2PICOS(78750),
+ 176, 16, 28, 1, 96, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1024x768 @ 85Hz */
+ NULL, 85, 1024, 768, KHZ2PICOS(94500),
+ 208, 48, 36, 1, 96, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1152x864 @ 75Hz */
+ NULL, 75, 1152, 864, KHZ2PICOS(108000),
+ 256, 64, 32, 1, 128, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1280x960 @ 60Hz */
+ NULL, 60, 1280, 960, KHZ2PICOS(108000),
+ 312, 96, 36, 1, 112, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1280x960 @ 85Hz */
+ NULL, 85, 1280, 960, KHZ2PICOS(148500),
+ 224, 64, 47, 1, 160, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1280x1024 @ 60Hz */
+ NULL, 60, 1280, 1024, KHZ2PICOS(108000),
+ 248, 48, 38, 1, 112, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1280x1024 @ 75Hz */
+ NULL, 75, 1280, 1024, KHZ2PICOS(135000),
+ 248, 16, 38, 1, 144, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1280x1024 @ 85Hz */
+ NULL, 85, 1280, 1024, KHZ2PICOS(157500),
+ 224, 64, 44, 1, 160, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1600x1200 @ 60Hz */
+ NULL, 60, 1600, 1200, KHZ2PICOS(162000),
+ 304, 64, 46, 1, 192, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1600x1200 @ 65Hz */
+ NULL, 65, 1600, 1200, KHZ2PICOS(175500),
+ 304, 64, 46, 1, 192, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1600x1200 @ 70Hz */
+ NULL, 70, 1600, 1200, KHZ2PICOS(189000),
+ 304, 64, 46, 1, 192, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1600x1200 @ 75Hz */
+ NULL, 75, 1600, 1200, KHZ2PICOS(202500),
+ 304, 64, 46, 1, 192, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1600x1200 @ 85Hz */
+ NULL, 85, 1600, 1200, KHZ2PICOS(229500),
+ 304, 64, 46, 1, 192, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1792x1344 @ 60Hz */
+ NULL, 60, 1792, 1344, KHZ2PICOS(204750),
+ 328, 128, 46, 1, 200, 3,
+ FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1792x1344 @ 75Hz */
+ NULL, 75, 1792, 1344, KHZ2PICOS(261000),
+ 352, 96, 69, 1, 216, 3,
+ FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1856x1392 @ 60Hz */
+ NULL, 60, 1856, 1392, KHZ2PICOS(218250),
+ 352, 96, 43, 1, 224, 3,
+ FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1856x1392 @ 75Hz */
+ NULL, 75, 1856, 1392, KHZ2PICOS(288000),
+ 352, 128, 104, 1, 224, 3,
+ FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1920x1440 @ 60Hz */
+ NULL, 60, 1920, 1440, KHZ2PICOS(234000),
+ 344, 128, 56, 1, 208, 3,
+ FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ }, {
+ /* 1920x1440 @ 75Hz */
+ NULL, 75, 1920, 1440, KHZ2PICOS(297000),
+ 352, 144, 56, 1, 224, 3,
+ FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
+ },
+};
+#define NUM_TOTAL_MODES ARRAY_SIZE(kyro_modedb)
+
+/*
+ * This needs to be kept ordered corresponding to kyro_modedb.
+ */
+enum {
+ VMODE_640_350_85,
+ VMODE_640_400_85,
+ VMODE_720_400_85,
+ VMODE_640_480_60,
+ VMODE_640_480_72,
+ VMODE_640_480_75,
+ VMODE_640_480_85,
+ VMODE_800_600_56,
+ VMODE_800_600_60,
+ VMODE_800_600_72,
+ VMODE_800_600_75,
+ VMODE_800_600_85,
+ VMODE_1024_768_60,
+ VMODE_1024_768_70,
+ VMODE_1024_768_75,
+ VMODE_1024_768_85,
+ VMODE_1152_864_75,
+ VMODE_1280_960_60,
+ VMODE_1280_960_85,
+ VMODE_1280_1024_60,
+ VMODE_1280_1024_75,
+ VMODE_1280_1024_85,
+ VMODE_1600_1200_60,
+ VMODE_1600_1200_65,
+ VMODE_1600_1200_70,
+ VMODE_1600_1200_75,
+ VMODE_1600_1200_85,
+ VMODE_1792_1344_60,
+ VMODE_1792_1344_75,
+ VMODE_1856_1392_60,
+ VMODE_1856_1392_75,
+ VMODE_1920_1440_60,
+ VMODE_1920_1440_75,
+};
+
+/* Accessors */
+static int kyro_dev_video_mode_set(struct fb_info *info)
+{
+ struct kyrofb_info *par = info->par;
+
+ /* Turn off display */
+ StopVTG(deviceInfo.pSTGReg);
+ DisableRamdacOutput(deviceInfo.pSTGReg);
+
+ /* Bring us out of VGA and into Hi-Res mode, if not already. */
+ DisableVGA(deviceInfo.pSTGReg);
+
+ if (InitialiseRamdac(deviceInfo.pSTGReg,
+ info->var.bits_per_pixel,
+ info->var.xres, info->var.yres,
+ par->HSP, par->VSP, &par->PIXCLK) < 0)
+ return -EINVAL;
+
+ SetupVTG(deviceInfo.pSTGReg, par);
+
+ ResetOverlayRegisters(deviceInfo.pSTGReg);
+
+ /* Turn on display in new mode */
+ EnableRamdacOutput(deviceInfo.pSTGReg);
+ StartVTG(deviceInfo.pSTGReg);
+
+ deviceInfo.ulNextFreeVidMem = info->var.xres * info->var.yres *
+ info->var.bits_per_pixel;
+ deviceInfo.ulOverlayOffset = 0;
+
+ return 0;
+}
+
+static int kyro_dev_overlay_create(u32 ulWidth,
+ u32 ulHeight, int bLinear)
+{
+ u32 offset;
+ u32 stride, uvStride;
+
+ if (deviceInfo.ulOverlayOffset != 0)
+ /*
+ * Can only create one overlay without resetting the card or
+ * changing display mode
+ */
+ return -EINVAL;
+
+ ResetOverlayRegisters(deviceInfo.pSTGReg);
+
+ /* Overlays are addressed in multiples of 16bytes or 32bytes, so make
+ * sure the start offset is on an appropriate boundary.
+ */
+ offset = deviceInfo.ulNextFreeVidMem;
+ if ((offset & 0x1f) != 0) {
+ offset = (offset + 32L) & 0xffffffE0L;
+ }
+
+ if (CreateOverlaySurface(deviceInfo.pSTGReg, ulWidth, ulHeight,
+ bLinear, offset, &stride, &uvStride) < 0)
+ return -EINVAL;
+
+ deviceInfo.ulOverlayOffset = offset;
+ deviceInfo.ulOverlayStride = stride;
+ deviceInfo.ulOverlayUVStride = uvStride;
+ deviceInfo.ulNextFreeVidMem = offset + (ulHeight * stride) + (ulHeight * 2 * uvStride);
+
+ SetOverlayBlendMode(deviceInfo.pSTGReg, GLOBAL_ALPHA, 0xf, 0x0);
+
+ return 0;
+}
+
+static int kyro_dev_overlay_viewport_set(u32 x, u32 y, u32 ulWidth, u32 ulHeight)
+{
+ if (deviceInfo.ulOverlayOffset == 0)
+ /* probably haven't called CreateOverlay yet */
+ return -EINVAL;
+
+ /* Stop Ramdac Output */
+ DisableRamdacOutput(deviceInfo.pSTGReg);
+
+ SetOverlayViewPort(deviceInfo.pSTGReg,
+ x, y, x + ulWidth - 1, y + ulHeight - 1);
+
+ EnableOverlayPlane(deviceInfo.pSTGReg);
+ /* Start Ramdac Output */
+ EnableRamdacOutput(deviceInfo.pSTGReg);
+
+ return 0;
+}
+
+static inline unsigned long get_line_length(int x, int bpp)
+{
+ return (unsigned long)((((x*bpp)+31)&~31) >> 3);
+}
+
+static int kyrofb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
+{
+ struct kyrofb_info *par = info->par;
+
+ if (var->bits_per_pixel != 16 && var->bits_per_pixel != 32) {
+ printk(KERN_WARNING "kyrofb: depth not supported: %u\n", var->bits_per_pixel);
+ return -EINVAL;
+ }
+
+ switch (var->bits_per_pixel) {
+ case 16:
+ var->red.offset = 11;
+ var->red.length = 5;
+ var->green.offset = 5;
+ var->green.length = 6;
+ var->blue.length = 5;
+ break;
+ case 32:
+ var->transp.offset = 24;
+ var->red.offset = 16;
+ var->green.offset = 8;
+ var->blue.offset = 0;
+
+ var->red.length = 8;
+ var->green.length = 8;
+ var->blue.length = 8;
+ var->transp.length = 8;
+ break;
+ }
+
+ /* Height/Width of picture in mm */
+ var->height = var->width = -1;
+
+ /* Timing information. All values are in picoseconds */
+
+ /* par->PIXCLK is in 100Hz units. Convert to picoseconds -
+ * ensuring we do not exceed 32 bit precision
+ */
+ /*
+ * XXX: Enabling this really screws over the pixclock value when we
+ * read it back with fbset. As such, leaving this commented out appears
+ * to do the right thing (at least for now) .. bearing in mind that we
+ * have infact already done the KHZ2PICOS conversion in both the modedb
+ * and kyro_var. -- PFM.
+ */
+// var->pixclock = 1000000000 / (par->PIXCLK / 10);
+
+ /* the header file claims we should use picoseconds
+ * - nobody else does though, the all use pixels and lines
+ * of h and v sizes. Both options here.
+ */
+
+ /*
+ * If we're being called by __fb_try_mode(), then we don't want to
+ * override any of the var settings that we've already parsed
+ * from our modedb. -- PFM.
+ */
+ if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_TEST)
+ return 0;
+
+ var->left_margin = par->HBP;
+ var->hsync_len = par->HST;
+ var->right_margin = par->HFP;
+
+ var->upper_margin = par->VBP;
+ var->vsync_len = par->VST;
+ var->lower_margin = par->VFP;
+
+ if (par->HSP == 1)
+ var->sync |= FB_SYNC_HOR_HIGH_ACT;
+ if (par->VSP == 1)
+ var->sync |= FB_SYNC_VERT_HIGH_ACT;
+
+ return 0;
+}
+
+static int kyrofb_set_par(struct fb_info *info)
+{
+ struct kyrofb_info *par = info->par;
+ unsigned long lineclock;
+ unsigned long frameclock;
+
+ /* Actual resolution */
+ par->XRES = info->var.xres;
+ par->YRES = info->var.yres;
+
+ /* pixel depth */
+ par->PIXDEPTH = info->var.bits_per_pixel;
+
+ /* Refresh rate */
+ /* time for a line in ns */
+ lineclock = (info->var.pixclock * (info->var.xres +
+ info->var.right_margin +
+ info->var.hsync_len +
+ info->var.left_margin)) / 1000;
+
+
+ /* time for a frame in ns (precision in 32bpp) */
+ frameclock = lineclock * (info->var.yres +
+ info->var.lower_margin +
+ info->var.vsync_len +
+ info->var.upper_margin);
+
+ /* Calculate refresh rate and horrizontal clocks */
+ par->VFREQ = (1000000000 + (frameclock / 2)) / frameclock;
+ par->HCLK = (1000000000 + (lineclock / 2)) / lineclock;
+ par->PIXCLK = ((1000000000 + (info->var.pixclock / 2))
+ / info->var.pixclock) * 10;
+
+ /* calculate horizontal timings */
+ par->HFP = info->var.right_margin;
+ par->HST = info->var.hsync_len;
+ par->HBP = info->var.left_margin;
+ par->HTot = par->XRES + par->HBP + par->HST + par->HFP;
+
+ /* calculate vertical timings */
+ par->VFP = info->var.lower_margin;
+ par->VST = info->var.vsync_len;
+ par->VBP = info->var.upper_margin;
+ par->VTot = par->YRES + par->VBP + par->VST + par->VFP;
+
+ par->HSP = (info->var.sync & FB_SYNC_HOR_HIGH_ACT) ? 1 : 0;
+ par->VSP = (info->var.sync & FB_SYNC_VERT_HIGH_ACT) ? 1 : 0;
+
+ kyro_dev_video_mode_set(info);
+
+ /* length of a line in bytes */
+ info->fix.line_length = get_line_length(par->XRES, par->PIXDEPTH);
+ info->fix.visual = FB_VISUAL_TRUECOLOR;
+
+ return 0;
+}
+
+static int kyrofb_setcolreg(u_int regno, u_int red, u_int green,
+ u_int blue, u_int transp, struct fb_info *info)
+{
+ struct kyrofb_info *par = info->par;
+
+ if (regno > 255)
+ return 1; /* Invalid register */
+
+ if (regno < 16) {
+ switch (info->var.bits_per_pixel) {
+ case 16:
+ par->palette[regno] =
+ (red & 0xf800) |
+ ((green & 0xfc00) >> 5) |
+ ((blue & 0xf800) >> 11);
+ break;
+ case 32:
+ red >>= 8; green >>= 8; blue >>= 8; transp >>= 8;
+ par->palette[regno] =
+ (transp << 24) | (red << 16) | (green << 8) | blue;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+#ifndef MODULE
+static int __init kyrofb_setup(char *options)
+{
+ char *this_opt;
+
+ if (!options || !*options)
+ return 0;
+
+ while ((this_opt = strsep(&options, ","))) {
+ if (!*this_opt)
+ continue;
+ if (strcmp(this_opt, "nopan") == 0) {
+ nopan = 1;
+ } else if (strcmp(this_opt, "nowrap") == 0) {
+ nowrap = 1;
+#ifdef CONFIG_MTRR
+ } else if (strcmp(this_opt, "nomtrr") == 0) {
+ nomtrr = 1;
+#endif
+ } else {
+ mode_option = this_opt;
+ }
+ }
+
+ return 0;
+}
+#endif
+
+static int kyrofb_ioctl(struct fb_info *info,
+ unsigned int cmd, unsigned long arg)
+{
+ overlay_create ol_create;
+ overlay_viewport_set ol_viewport_set;
+ void __user *argp = (void __user *)arg;
+
+ switch (cmd) {
+ case KYRO_IOCTL_OVERLAY_CREATE:
+ if (copy_from_user(&ol_create, argp, sizeof(overlay_create)))
+ return -EFAULT;
+
+ if (kyro_dev_overlay_create(ol_create.ulWidth,
+ ol_create.ulHeight, 0) < 0) {
+ printk(KERN_ERR "Kyro FB: failed to create overlay surface.\n");
+
+ return -EINVAL;
+ }
+ break;
+ case KYRO_IOCTL_OVERLAY_VIEWPORT_SET:
+ if (copy_from_user(&ol_viewport_set, argp,
+ sizeof(overlay_viewport_set)))
+ return -EFAULT;
+
+ if (kyro_dev_overlay_viewport_set(ol_viewport_set.xOrgin,
+ ol_viewport_set.yOrgin,
+ ol_viewport_set.xSize,
+ ol_viewport_set.ySize) != 0)
+ {
+ printk(KERN_ERR "Kyro FB: failed to create overlay viewport.\n");
+ return -EINVAL;
+ }
+ break;
+ case KYRO_IOCTL_SET_VIDEO_MODE:
+ {
+ printk(KERN_ERR "Kyro FB: KYRO_IOCTL_SET_VIDEO_MODE is"
+ "obsolete, use the appropriate fb_ioctl()"
+ "command instead.\n");
+ return -EINVAL;
+ }
+ case KYRO_IOCTL_UVSTRIDE:
+ if (copy_to_user(argp, &deviceInfo.ulOverlayUVStride, sizeof(deviceInfo.ulOverlayUVStride)))
+ return -EFAULT;
+ break;
+ case KYRO_IOCTL_STRIDE:
+ if (copy_to_user(argp, &deviceInfo.ulOverlayStride, sizeof(deviceInfo.ulOverlayStride)))
+ return -EFAULT;
+ break;
+ case KYRO_IOCTL_OVERLAY_OFFSET:
+ if (copy_to_user(argp, &deviceInfo.ulOverlayOffset, sizeof(deviceInfo.ulOverlayOffset)))
+ return -EFAULT;
+ break;
+ }
+
+ return 0;
+}
+
+static struct pci_device_id kyrofb_pci_tbl[] = {
+ { PCI_VENDOR_ID_ST, PCI_DEVICE_ID_STG4000,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+ { 0, }
+};
+
+MODULE_DEVICE_TABLE(pci, kyrofb_pci_tbl);
+
+static struct pci_driver kyrofb_pci_driver = {
+ .name = "kyrofb",
+ .id_table = kyrofb_pci_tbl,
+ .probe = kyrofb_probe,
+ .remove = kyrofb_remove,
+};
+
+static struct fb_ops kyrofb_ops = {
+ .owner = THIS_MODULE,
+ .fb_check_var = kyrofb_check_var,
+ .fb_set_par = kyrofb_set_par,
+ .fb_setcolreg = kyrofb_setcolreg,
+ .fb_ioctl = kyrofb_ioctl,
+ .fb_fillrect = cfb_fillrect,
+ .fb_copyarea = cfb_copyarea,
+ .fb_imageblit = cfb_imageblit,
+};
+
+static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ struct fb_info *info;
+ struct kyrofb_info *currentpar;
+ unsigned long size;
+ int err;
+
+ if ((err = pci_enable_device(pdev))) {
+ printk(KERN_WARNING "kyrofb: Can't enable pdev: %d\n", err);
+ return err;
+ }
+
+ info = framebuffer_alloc(sizeof(struct kyrofb_info), &pdev->dev);
+ if (!info)
+ return -ENOMEM;
+
+ currentpar = info->par;
+
+ kyro_fix.smem_start = pci_resource_start(pdev, 0);
+ kyro_fix.smem_len = pci_resource_len(pdev, 0);
+ kyro_fix.mmio_start = pci_resource_start(pdev, 1);
+ kyro_fix.mmio_len = pci_resource_len(pdev, 1);
+
+ currentpar->regbase = deviceInfo.pSTGReg =
+ ioremap_nocache(kyro_fix.mmio_start, kyro_fix.mmio_len);
+
+ info->screen_base = ioremap_nocache(kyro_fix.smem_start,
+ kyro_fix.smem_len);
+
+#ifdef CONFIG_MTRR
+ if (!nomtrr)
+ currentpar->mtrr_handle =
+ mtrr_add(kyro_fix.smem_start,
+ kyro_fix.smem_len,
+ MTRR_TYPE_WRCOMB, 1);
+#endif
+
+ kyro_fix.ypanstep = nopan ? 0 : 1;
+ kyro_fix.ywrapstep = nowrap ? 0 : 1;
+
+ info->fbops = &kyrofb_ops;
+ info->fix = kyro_fix;
+ info->pseudo_palette = currentpar->palette;
+ info->flags = FBINFO_DEFAULT;
+
+ SetCoreClockPLL(deviceInfo.pSTGReg, pdev);
+
+ deviceInfo.ulNextFreeVidMem = 0;
+ deviceInfo.ulOverlayOffset = 0;
+
+ /* This should give a reasonable default video mode */
+ if (!fb_find_mode(&info->var, info, mode_option, kyro_modedb,
+ NUM_TOTAL_MODES, &kyro_modedb[VMODE_1024_768_75], 32))
+ info->var = kyro_var;
+
+ fb_alloc_cmap(&info->cmap, 256, 0);
+
+ kyrofb_set_par(info);
+ kyrofb_check_var(&info->var, info);
+
+ size = get_line_length(info->var.xres_virtual,
+ info->var.bits_per_pixel);
+ size *= info->var.yres_virtual;
+
+ fb_memset(info->screen_base, 0, size);
+
+ if (register_framebuffer(info) < 0)
+ goto out_unmap;
+
+ fb_info(info, "%s frame buffer device, at %dx%d@%d using %ldk/%ldk of VRAM\n",
+ info->fix.id,
+ info->var.xres, info->var.yres, info->var.bits_per_pixel,
+ size >> 10, (unsigned long)info->fix.smem_len >> 10);
+
+ pci_set_drvdata(pdev, info);
+
+ return 0;
+
+out_unmap:
+ iounmap(currentpar->regbase);
+ iounmap(info->screen_base);
+ framebuffer_release(info);
+
+ return -EINVAL;
+}
+
+static void kyrofb_remove(struct pci_dev *pdev)
+{
+ struct fb_info *info = pci_get_drvdata(pdev);
+ struct kyrofb_info *par = info->par;
+
+ /* Reset the board */
+ StopVTG(deviceInfo.pSTGReg);
+ DisableRamdacOutput(deviceInfo.pSTGReg);
+
+ /* Sync up the PLL */
+ SetCoreClockPLL(deviceInfo.pSTGReg, pdev);
+
+ deviceInfo.ulNextFreeVidMem = 0;
+ deviceInfo.ulOverlayOffset = 0;
+
+ iounmap(info->screen_base);
+ iounmap(par->regbase);
+
+#ifdef CONFIG_MTRR
+ if (par->mtrr_handle)
+ mtrr_del(par->mtrr_handle,
+ info->fix.smem_start,
+ info->fix.smem_len);
+#endif
+
+ unregister_framebuffer(info);
+ framebuffer_release(info);
+}
+
+static int __init kyrofb_init(void)
+{
+#ifndef MODULE
+ char *option = NULL;
+
+ if (fb_get_options("kyrofb", &option))
+ return -ENODEV;
+ kyrofb_setup(option);
+#endif
+ return pci_register_driver(&kyrofb_pci_driver);
+}
+
+static void __exit kyrofb_exit(void)
+{
+ pci_unregister_driver(&kyrofb_pci_driver);
+}
+
+module_init(kyrofb_init);
+
+#ifdef MODULE
+module_exit(kyrofb_exit);
+#endif
+
+MODULE_AUTHOR("STMicroelectronics; Paul Mundt <lethal@linux-sh.org>");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-18 13:40:39 +0000