ccflags-y += -Iinclude/drm
psb_gfx-y += gem_glue.o \
+ power.o \
psb_bl.o \
psb_drv.o \
psb_gem.o \
psb_intel_sdvo.o \
psb_lid.o \
psb_mmu.o \
- psb_powermgmt.o \
psb_irq.o \
+ psb_device.o \
+ mrst_device.o \
mrst_crtc.o \
mrst_lvds.o \
mrst_bios.o \
+ mdfld_device.o \
mdfld_output.o \
mdfld_pyr_cmd.o \
mdfld_tmd_vid.o \
--- /dev/null
+/**************************************************************************
+ * Copyright (c) 2011, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ **************************************************************************/
+
+#include <drm/drmP.h>
+#include <drm/drm.h>
+#include "psb_reg.h"
+#include "psb_intel_reg.h"
+#include "psb_drm.h"
+#include "psb_drv.h"
+#include "mdfld_output.h"
+#include "mdfld_dsi_output.h"
+
+/*
+ * Provide the Medfield specific chip logic and low level methods
+ */
+
+static void mdfld_init_pm(struct drm_device *dev)
+{
+ /* No work needed here yet */
+}
+
+/**
+ * mdfld_save_display_registers - save registers for pipe
+ * @dev: our device
+ * @pipe: pipe to save
+ *
+ * Save the pipe state of the device before we power it off. Keep everything
+ * we need to put it back again
+ */
+static int mdfld_save_display_registers(struct drm_device *dev, int pipe)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int i;
+
+ /* register */
+ u32 dpll_reg = MRST_DPLL_A;
+ u32 fp_reg = MRST_FPA0;
+ u32 pipeconf_reg = PIPEACONF;
+ u32 htot_reg = HTOTAL_A;
+ u32 hblank_reg = HBLANK_A;
+ u32 hsync_reg = HSYNC_A;
+ u32 vtot_reg = VTOTAL_A;
+ u32 vblank_reg = VBLANK_A;
+ u32 vsync_reg = VSYNC_A;
+ u32 pipesrc_reg = PIPEASRC;
+ u32 dspstride_reg = DSPASTRIDE;
+ u32 dsplinoff_reg = DSPALINOFF;
+ u32 dsptileoff_reg = DSPATILEOFF;
+ u32 dspsize_reg = DSPASIZE;
+ u32 dsppos_reg = DSPAPOS;
+ u32 dspsurf_reg = DSPASURF;
+ u32 mipi_reg = MIPI;
+ u32 dspcntr_reg = DSPACNTR;
+ u32 dspstatus_reg = PIPEASTAT;
+ u32 palette_reg = PALETTE_A;
+
+ /* pointer to values */
+ u32 *dpll_val = &dev_priv->saveDPLL_A;
+ u32 *fp_val = &dev_priv->saveFPA0;
+ u32 *pipeconf_val = &dev_priv->savePIPEACONF;
+ u32 *htot_val = &dev_priv->saveHTOTAL_A;
+ u32 *hblank_val = &dev_priv->saveHBLANK_A;
+ u32 *hsync_val = &dev_priv->saveHSYNC_A;
+ u32 *vtot_val = &dev_priv->saveVTOTAL_A;
+ u32 *vblank_val = &dev_priv->saveVBLANK_A;
+ u32 *vsync_val = &dev_priv->saveVSYNC_A;
+ u32 *pipesrc_val = &dev_priv->savePIPEASRC;
+ u32 *dspstride_val = &dev_priv->saveDSPASTRIDE;
+ u32 *dsplinoff_val = &dev_priv->saveDSPALINOFF;
+ u32 *dsptileoff_val = &dev_priv->saveDSPATILEOFF;
+ u32 *dspsize_val = &dev_priv->saveDSPASIZE;
+ u32 *dsppos_val = &dev_priv->saveDSPAPOS;
+ u32 *dspsurf_val = &dev_priv->saveDSPASURF;
+ u32 *mipi_val = &dev_priv->saveMIPI;
+ u32 *dspcntr_val = &dev_priv->saveDSPACNTR;
+ u32 *dspstatus_val = &dev_priv->saveDSPASTATUS;
+ u32 *palette_val = dev_priv->save_palette_a;
+
+ switch (pipe) {
+ case 0:
+ break;
+ case 1:
+ /* register */
+ dpll_reg = MDFLD_DPLL_B;
+ fp_reg = MDFLD_DPLL_DIV0;
+ pipeconf_reg = PIPEBCONF;
+ htot_reg = HTOTAL_B;
+ hblank_reg = HBLANK_B;
+ hsync_reg = HSYNC_B;
+ vtot_reg = VTOTAL_B;
+ vblank_reg = VBLANK_B;
+ vsync_reg = VSYNC_B;
+ pipesrc_reg = PIPEBSRC;
+ dspstride_reg = DSPBSTRIDE;
+ dsplinoff_reg = DSPBLINOFF;
+ dsptileoff_reg = DSPBTILEOFF;
+ dspsize_reg = DSPBSIZE;
+ dsppos_reg = DSPBPOS;
+ dspsurf_reg = DSPBSURF;
+ dspcntr_reg = DSPBCNTR;
+ dspstatus_reg = PIPEBSTAT;
+ palette_reg = PALETTE_B;
+
+ /* values */
+ dpll_val = &dev_priv->saveDPLL_B;
+ fp_val = &dev_priv->saveFPB0;
+ pipeconf_val = &dev_priv->savePIPEBCONF;
+ htot_val = &dev_priv->saveHTOTAL_B;
+ hblank_val = &dev_priv->saveHBLANK_B;
+ hsync_val = &dev_priv->saveHSYNC_B;
+ vtot_val = &dev_priv->saveVTOTAL_B;
+ vblank_val = &dev_priv->saveVBLANK_B;
+ vsync_val = &dev_priv->saveVSYNC_B;
+ pipesrc_val = &dev_priv->savePIPEBSRC;
+ dspstride_val = &dev_priv->saveDSPBSTRIDE;
+ dsplinoff_val = &dev_priv->saveDSPBLINOFF;
+ dsptileoff_val = &dev_priv->saveDSPBTILEOFF;
+ dspsize_val = &dev_priv->saveDSPBSIZE;
+ dsppos_val = &dev_priv->saveDSPBPOS;
+ dspsurf_val = &dev_priv->saveDSPBSURF;
+ dspcntr_val = &dev_priv->saveDSPBCNTR;
+ dspstatus_val = &dev_priv->saveDSPBSTATUS;
+ palette_val = dev_priv->save_palette_b;
+ break;
+ case 2:
+ /* register */
+ pipeconf_reg = PIPECCONF;
+ htot_reg = HTOTAL_C;
+ hblank_reg = HBLANK_C;
+ hsync_reg = HSYNC_C;
+ vtot_reg = VTOTAL_C;
+ vblank_reg = VBLANK_C;
+ vsync_reg = VSYNC_C;
+ pipesrc_reg = PIPECSRC;
+ dspstride_reg = DSPCSTRIDE;
+ dsplinoff_reg = DSPCLINOFF;
+ dsptileoff_reg = DSPCTILEOFF;
+ dspsize_reg = DSPCSIZE;
+ dsppos_reg = DSPCPOS;
+ dspsurf_reg = DSPCSURF;
+ mipi_reg = MIPI_C;
+ dspcntr_reg = DSPCCNTR;
+ dspstatus_reg = PIPECSTAT;
+ palette_reg = PALETTE_C;
+
+ /* pointer to values */
+ pipeconf_val = &dev_priv->savePIPECCONF;
+ htot_val = &dev_priv->saveHTOTAL_C;
+ hblank_val = &dev_priv->saveHBLANK_C;
+ hsync_val = &dev_priv->saveHSYNC_C;
+ vtot_val = &dev_priv->saveVTOTAL_C;
+ vblank_val = &dev_priv->saveVBLANK_C;
+ vsync_val = &dev_priv->saveVSYNC_C;
+ pipesrc_val = &dev_priv->savePIPECSRC;
+ dspstride_val = &dev_priv->saveDSPCSTRIDE;
+ dsplinoff_val = &dev_priv->saveDSPCLINOFF;
+ dsptileoff_val = &dev_priv->saveDSPCTILEOFF;
+ dspsize_val = &dev_priv->saveDSPCSIZE;
+ dsppos_val = &dev_priv->saveDSPCPOS;
+ dspsurf_val = &dev_priv->saveDSPCSURF;
+ mipi_val = &dev_priv->saveMIPI_C;
+ dspcntr_val = &dev_priv->saveDSPCCNTR;
+ dspstatus_val = &dev_priv->saveDSPCSTATUS;
+ palette_val = dev_priv->save_palette_c;
+ break;
+ default:
+ DRM_ERROR("%s, invalid pipe number.\n", __func__);
+ return -EINVAL;
+ }
+
+ /* Pipe & plane A info */
+ *dpll_val = PSB_RVDC32(dpll_reg);
+ *fp_val = PSB_RVDC32(fp_reg);
+ *pipeconf_val = PSB_RVDC32(pipeconf_reg);
+ *htot_val = PSB_RVDC32(htot_reg);
+ *hblank_val = PSB_RVDC32(hblank_reg);
+ *hsync_val = PSB_RVDC32(hsync_reg);
+ *vtot_val = PSB_RVDC32(vtot_reg);
+ *vblank_val = PSB_RVDC32(vblank_reg);
+ *vsync_val = PSB_RVDC32(vsync_reg);
+ *pipesrc_val = PSB_RVDC32(pipesrc_reg);
+ *dspstride_val = PSB_RVDC32(dspstride_reg);
+ *dsplinoff_val = PSB_RVDC32(dsplinoff_reg);
+ *dsptileoff_val = PSB_RVDC32(dsptileoff_reg);
+ *dspsize_val = PSB_RVDC32(dspsize_reg);
+ *dsppos_val = PSB_RVDC32(dsppos_reg);
+ *dspsurf_val = PSB_RVDC32(dspsurf_reg);
+ *dspcntr_val = PSB_RVDC32(dspcntr_reg);
+ *dspstatus_val = PSB_RVDC32(dspstatus_reg);
+
+ /*save palette (gamma) */
+ for (i = 0; i < 256; i++)
+ palette_val[i] = PSB_RVDC32(palette_reg + (i<<2));
+
+ if (pipe == 1) {
+ dev_priv->savePFIT_CONTROL = PSB_RVDC32(PFIT_CONTROL);
+ dev_priv->savePFIT_PGM_RATIOS = PSB_RVDC32(PFIT_PGM_RATIOS);
+ dev_priv->saveHDMIPHYMISCCTL = PSB_RVDC32(HDMIPHYMISCCTL);
+ dev_priv->saveHDMIB_CONTROL = PSB_RVDC32(HDMIB_CONTROL);
+ return 0;
+ }
+ *mipi_val = PSB_RVDC32(mipi_reg);
+ return 0;
+}
+
+/**
+ * mdfld_save_cursor_overlay_registers - save cursor overlay info
+ * @dev: our device
+ *
+ * Save the cursor and overlay register state
+ */
+static int mdfld_save_cursor_overlay_registers(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ /* Save cursor regs */
+ dev_priv->saveDSPACURSOR_CTRL = PSB_RVDC32(CURACNTR);
+ dev_priv->saveDSPACURSOR_BASE = PSB_RVDC32(CURABASE);
+ dev_priv->saveDSPACURSOR_POS = PSB_RVDC32(CURAPOS);
+
+ dev_priv->saveDSPBCURSOR_CTRL = PSB_RVDC32(CURBCNTR);
+ dev_priv->saveDSPBCURSOR_BASE = PSB_RVDC32(CURBBASE);
+ dev_priv->saveDSPBCURSOR_POS = PSB_RVDC32(CURBPOS);
+
+ dev_priv->saveDSPCCURSOR_CTRL = PSB_RVDC32(CURCCNTR);
+ dev_priv->saveDSPCCURSOR_BASE = PSB_RVDC32(CURCBASE);
+ dev_priv->saveDSPCCURSOR_POS = PSB_RVDC32(CURCPOS);
+
+ /* HW overlay */
+ dev_priv->saveOV_OVADD = PSB_RVDC32(OV_OVADD);
+ dev_priv->saveOV_OGAMC0 = PSB_RVDC32(OV_OGAMC0);
+ dev_priv->saveOV_OGAMC1 = PSB_RVDC32(OV_OGAMC1);
+ dev_priv->saveOV_OGAMC2 = PSB_RVDC32(OV_OGAMC2);
+ dev_priv->saveOV_OGAMC3 = PSB_RVDC32(OV_OGAMC3);
+ dev_priv->saveOV_OGAMC4 = PSB_RVDC32(OV_OGAMC4);
+ dev_priv->saveOV_OGAMC5 = PSB_RVDC32(OV_OGAMC5);
+
+ dev_priv->saveOV_OVADD_C = PSB_RVDC32(OV_OVADD + OV_C_OFFSET);
+ dev_priv->saveOV_OGAMC0_C = PSB_RVDC32(OV_OGAMC0 + OV_C_OFFSET);
+ dev_priv->saveOV_OGAMC1_C = PSB_RVDC32(OV_OGAMC1 + OV_C_OFFSET);
+ dev_priv->saveOV_OGAMC2_C = PSB_RVDC32(OV_OGAMC2 + OV_C_OFFSET);
+ dev_priv->saveOV_OGAMC3_C = PSB_RVDC32(OV_OGAMC3 + OV_C_OFFSET);
+ dev_priv->saveOV_OGAMC4_C = PSB_RVDC32(OV_OGAMC4 + OV_C_OFFSET);
+ dev_priv->saveOV_OGAMC5_C = PSB_RVDC32(OV_OGAMC5 + OV_C_OFFSET);
+
+ return 0;
+}
+/*
+ * mdfld_restore_display_registers - restore the state of a pipe
+ * @dev: our device
+ * @pipe: the pipe to restore
+ *
+ * Restore the state of a pipe to that which was saved by the register save
+ * functions.
+ */
+static int mdfld_restore_display_registers(struct drm_device *dev, int pipe)
+{
+ /* To get panel out of ULPS mode */
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct mdfld_dsi_config *dsi_config = NULL;
+ u32 i = 0;
+ u32 dpll = 0;
+ u32 timeout = 0;
+ u32 reg_offset = 0;
+
+ /* register */
+ u32 dpll_reg = MRST_DPLL_A;
+ u32 fp_reg = MRST_FPA0;
+ u32 pipeconf_reg = PIPEACONF;
+ u32 htot_reg = HTOTAL_A;
+ u32 hblank_reg = HBLANK_A;
+ u32 hsync_reg = HSYNC_A;
+ u32 vtot_reg = VTOTAL_A;
+ u32 vblank_reg = VBLANK_A;
+ u32 vsync_reg = VSYNC_A;
+ u32 pipesrc_reg = PIPEASRC;
+ u32 dspstride_reg = DSPASTRIDE;
+ u32 dsplinoff_reg = DSPALINOFF;
+ u32 dsptileoff_reg = DSPATILEOFF;
+ u32 dspsize_reg = DSPASIZE;
+ u32 dsppos_reg = DSPAPOS;
+ u32 dspsurf_reg = DSPASURF;
+ u32 dspstatus_reg = PIPEASTAT;
+ u32 mipi_reg = MIPI;
+ u32 dspcntr_reg = DSPACNTR;
+ u32 palette_reg = PALETTE_A;
+
+ /* values */
+ u32 dpll_val = dev_priv->saveDPLL_A & ~DPLL_VCO_ENABLE;
+ u32 fp_val = dev_priv->saveFPA0;
+ u32 pipeconf_val = dev_priv->savePIPEACONF;
+ u32 htot_val = dev_priv->saveHTOTAL_A;
+ u32 hblank_val = dev_priv->saveHBLANK_A;
+ u32 hsync_val = dev_priv->saveHSYNC_A;
+ u32 vtot_val = dev_priv->saveVTOTAL_A;
+ u32 vblank_val = dev_priv->saveVBLANK_A;
+ u32 vsync_val = dev_priv->saveVSYNC_A;
+ u32 pipesrc_val = dev_priv->savePIPEASRC;
+ u32 dspstride_val = dev_priv->saveDSPASTRIDE;
+ u32 dsplinoff_val = dev_priv->saveDSPALINOFF;
+ u32 dsptileoff_val = dev_priv->saveDSPATILEOFF;
+ u32 dspsize_val = dev_priv->saveDSPASIZE;
+ u32 dsppos_val = dev_priv->saveDSPAPOS;
+ u32 dspsurf_val = dev_priv->saveDSPASURF;
+ u32 dspstatus_val = dev_priv->saveDSPASTATUS;
+ u32 mipi_val = dev_priv->saveMIPI;
+ u32 dspcntr_val = dev_priv->saveDSPACNTR;
+ u32 *palette_val = dev_priv->save_palette_a;
+
+ switch (pipe) {
+ case 0:
+ dsi_config = dev_priv->dsi_configs[0];
+ break;
+ case 1:
+ /* register */
+ dpll_reg = MDFLD_DPLL_B;
+ fp_reg = MDFLD_DPLL_DIV0;
+ pipeconf_reg = PIPEBCONF;
+ htot_reg = HTOTAL_B;
+ hblank_reg = HBLANK_B;
+ hsync_reg = HSYNC_B;
+ vtot_reg = VTOTAL_B;
+ vblank_reg = VBLANK_B;
+ vsync_reg = VSYNC_B;
+ pipesrc_reg = PIPEBSRC;
+ dspstride_reg = DSPBSTRIDE;
+ dsplinoff_reg = DSPBLINOFF;
+ dsptileoff_reg = DSPBTILEOFF;
+ dspsize_reg = DSPBSIZE;
+ dsppos_reg = DSPBPOS;
+ dspsurf_reg = DSPBSURF;
+ dspcntr_reg = DSPBCNTR;
+ palette_reg = PALETTE_B;
+ dspstatus_reg = PIPEBSTAT;
+
+ /* values */
+ dpll_val = dev_priv->saveDPLL_B & ~DPLL_VCO_ENABLE;
+ fp_val = dev_priv->saveFPB0;
+ pipeconf_val = dev_priv->savePIPEBCONF;
+ htot_val = dev_priv->saveHTOTAL_B;
+ hblank_val = dev_priv->saveHBLANK_B;
+ hsync_val = dev_priv->saveHSYNC_B;
+ vtot_val = dev_priv->saveVTOTAL_B;
+ vblank_val = dev_priv->saveVBLANK_B;
+ vsync_val = dev_priv->saveVSYNC_B;
+ pipesrc_val = dev_priv->savePIPEBSRC;
+ dspstride_val = dev_priv->saveDSPBSTRIDE;
+ dsplinoff_val = dev_priv->saveDSPBLINOFF;
+ dsptileoff_val = dev_priv->saveDSPBTILEOFF;
+ dspsize_val = dev_priv->saveDSPBSIZE;
+ dsppos_val = dev_priv->saveDSPBPOS;
+ dspsurf_val = dev_priv->saveDSPBSURF;
+ dspcntr_val = dev_priv->saveDSPBCNTR;
+ dspstatus_val = dev_priv->saveDSPBSTATUS;
+ palette_val = dev_priv->save_palette_b;
+ break;
+ case 2:
+ reg_offset = MIPIC_REG_OFFSET;
+
+ /* register */
+ pipeconf_reg = PIPECCONF;
+ htot_reg = HTOTAL_C;
+ hblank_reg = HBLANK_C;
+ hsync_reg = HSYNC_C;
+ vtot_reg = VTOTAL_C;
+ vblank_reg = VBLANK_C;
+ vsync_reg = VSYNC_C;
+ pipesrc_reg = PIPECSRC;
+ dspstride_reg = DSPCSTRIDE;
+ dsplinoff_reg = DSPCLINOFF;
+ dsptileoff_reg = DSPCTILEOFF;
+ dspsize_reg = DSPCSIZE;
+ dsppos_reg = DSPCPOS;
+ dspsurf_reg = DSPCSURF;
+ mipi_reg = MIPI_C;
+ dspcntr_reg = DSPCCNTR;
+ palette_reg = PALETTE_C;
+ dspstatus_reg = PIPECSTAT;
+
+ /* values */
+ pipeconf_val = dev_priv->savePIPECCONF;
+ htot_val = dev_priv->saveHTOTAL_C;
+ hblank_val = dev_priv->saveHBLANK_C;
+ hsync_val = dev_priv->saveHSYNC_C;
+ vtot_val = dev_priv->saveVTOTAL_C;
+ vblank_val = dev_priv->saveVBLANK_C;
+ vsync_val = dev_priv->saveVSYNC_C;
+ pipesrc_val = dev_priv->savePIPECSRC;
+ dspstride_val = dev_priv->saveDSPCSTRIDE;
+ dsplinoff_val = dev_priv->saveDSPCLINOFF;
+ dsptileoff_val = dev_priv->saveDSPCTILEOFF;
+ dspsize_val = dev_priv->saveDSPCSIZE;
+ dsppos_val = dev_priv->saveDSPCPOS;
+ dspsurf_val = dev_priv->saveDSPCSURF;
+ dspstatus_val = dev_priv->saveDSPCSTATUS;
+ mipi_val = dev_priv->saveMIPI_C;
+ dspcntr_val = dev_priv->saveDSPCCNTR;
+ palette_val = dev_priv->save_palette_c;
+
+ dsi_config = dev_priv->dsi_configs[1];
+ break;
+ default:
+ DRM_ERROR("%s, invalid pipe number.\n", __func__);
+ return -EINVAL;
+ }
+
+ /* Make sure VGA plane is off. it initializes to on after reset!*/
+ PSB_WVDC32(0x80000000, VGACNTRL);
+ if (pipe == 1) {
+ PSB_WVDC32(dpll_val & ~DPLL_VCO_ENABLE, dpll_reg);
+ PSB_RVDC32(dpll_reg);
+
+ PSB_WVDC32(fp_val, fp_reg);
+ } else {
+ dpll = PSB_RVDC32(dpll_reg);
+
+ if (!(dpll & DPLL_VCO_ENABLE)) {
+
+ /* When ungating power of DPLL, needs to wait 0.5us before enable the VCO */
+ if (dpll & MDFLD_PWR_GATE_EN) {
+ dpll &= ~MDFLD_PWR_GATE_EN;
+ PSB_WVDC32(dpll, dpll_reg);
+ udelay(500); /* FIXME: 1 ? */
+ }
+
+ PSB_WVDC32(fp_val, fp_reg);
+ PSB_WVDC32(dpll_val, dpll_reg);
+ /* FIXME_MDFLD PO - change 500 to 1 after PO */
+ udelay(500);
+
+ dpll_val |= DPLL_VCO_ENABLE;
+ PSB_WVDC32(dpll_val, dpll_reg);
+ PSB_RVDC32(dpll_reg);
+
+ /* wait for DSI PLL to lock */
+ while ((timeout < 20000) && !(PSB_RVDC32(pipeconf_reg) & PIPECONF_DSIPLL_LOCK)) {
+ udelay(150);
+ timeout++;
+ }
+
+ if (timeout == 20000) {
+ DRM_ERROR("%s, can't lock DSIPLL.\n",
+ __func__);
+ return -EINVAL;
+ }
+ }
+ }
+ /* Restore mode */
+ PSB_WVDC32(htot_val, htot_reg);
+ PSB_WVDC32(hblank_val, hblank_reg);
+ PSB_WVDC32(hsync_val, hsync_reg);
+ PSB_WVDC32(vtot_val, vtot_reg);
+ PSB_WVDC32(vblank_val, vblank_reg);
+ PSB_WVDC32(vsync_val, vsync_reg);
+ PSB_WVDC32(pipesrc_val, pipesrc_reg);
+ PSB_WVDC32(dspstatus_val, dspstatus_reg);
+
+ /* Set up the plane */
+ PSB_WVDC32(dspstride_val, dspstride_reg);
+ PSB_WVDC32(dsplinoff_val, dsplinoff_reg);
+ PSB_WVDC32(dsptileoff_val, dsptileoff_reg);
+ PSB_WVDC32(dspsize_val, dspsize_reg);
+ PSB_WVDC32(dsppos_val, dsppos_reg);
+ PSB_WVDC32(dspsurf_val, dspsurf_reg);
+
+ if (pipe == 1) {
+ PSB_WVDC32(dev_priv->savePFIT_CONTROL, PFIT_CONTROL);
+ PSB_WVDC32(dev_priv->savePFIT_PGM_RATIOS, PFIT_PGM_RATIOS);
+ PSB_WVDC32(dev_priv->saveHDMIPHYMISCCTL, HDMIPHYMISCCTL);
+ PSB_WVDC32(dev_priv->saveHDMIB_CONTROL, HDMIB_CONTROL);
+
+ } else {
+ /* Set up pipe related registers */
+ PSB_WVDC32(mipi_val, mipi_reg);
+ /* Setup MIPI adapter + MIPI IP registers */
+ mdfld_dsi_controller_init(dsi_config, pipe);
+ msleep(20);
+ }
+ /* Enable the plane */
+ PSB_WVDC32(dspcntr_val, dspcntr_reg);
+ msleep(20);
+ /* Enable the pipe */
+ PSB_WVDC32(pipeconf_val, pipeconf_reg);
+
+ for (i = 0; i < 256; i++)
+ PSB_WVDC32(palette_val[i], palette_reg + (i<<2));
+ if (pipe == 1)
+ return 0;
+ if (IS_MFLD(dev) && !mdfld_panel_dpi(dev))
+ mdfld_enable_te(dev, pipe);
+ return 0;
+}
+
+/**
+ * mdfld_restore_cursor_overlay_registers - restore cursor
+ * @dev: our device
+ *
+ * Restore the cursor and overlay state that was saved earlier
+ */
+static int mdfld_restore_cursor_overlay_registers(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ /* Enable Cursor A */
+ PSB_WVDC32(dev_priv->saveDSPACURSOR_CTRL, CURACNTR);
+ PSB_WVDC32(dev_priv->saveDSPACURSOR_POS, CURAPOS);
+ PSB_WVDC32(dev_priv->saveDSPACURSOR_BASE, CURABASE);
+
+ PSB_WVDC32(dev_priv->saveDSPBCURSOR_CTRL, CURBCNTR);
+ PSB_WVDC32(dev_priv->saveDSPBCURSOR_POS, CURBPOS);
+ PSB_WVDC32(dev_priv->saveDSPBCURSOR_BASE, CURBBASE);
+
+ PSB_WVDC32(dev_priv->saveDSPCCURSOR_CTRL, CURCCNTR);
+ PSB_WVDC32(dev_priv->saveDSPCCURSOR_POS, CURCPOS);
+ PSB_WVDC32(dev_priv->saveDSPCCURSOR_BASE, CURCBASE);
+
+ /* Restore HW overlay */
+ PSB_WVDC32(dev_priv->saveOV_OVADD, OV_OVADD);
+ PSB_WVDC32(dev_priv->saveOV_OGAMC0, OV_OGAMC0);
+ PSB_WVDC32(dev_priv->saveOV_OGAMC1, OV_OGAMC1);
+ PSB_WVDC32(dev_priv->saveOV_OGAMC2, OV_OGAMC2);
+ PSB_WVDC32(dev_priv->saveOV_OGAMC3, OV_OGAMC3);
+ PSB_WVDC32(dev_priv->saveOV_OGAMC4, OV_OGAMC4);
+ PSB_WVDC32(dev_priv->saveOV_OGAMC5, OV_OGAMC5);
+
+ PSB_WVDC32(dev_priv->saveOV_OVADD_C, OV_OVADD + OV_C_OFFSET);
+ PSB_WVDC32(dev_priv->saveOV_OGAMC0_C, OV_OGAMC0 + OV_C_OFFSET);
+ PSB_WVDC32(dev_priv->saveOV_OGAMC1_C, OV_OGAMC1 + OV_C_OFFSET);
+ PSB_WVDC32(dev_priv->saveOV_OGAMC2_C, OV_OGAMC2 + OV_C_OFFSET);
+ PSB_WVDC32(dev_priv->saveOV_OGAMC3_C, OV_OGAMC3 + OV_C_OFFSET);
+ PSB_WVDC32(dev_priv->saveOV_OGAMC4_C, OV_OGAMC4 + OV_C_OFFSET);
+ PSB_WVDC32(dev_priv->saveOV_OGAMC5_C, OV_OGAMC5 + OV_C_OFFSET);
+
+ return 0;
+}
+
+/**
+ * mdfld_save_display_registers - save registers lost on suspend
+ * @dev: our DRM device
+ *
+ * Save the state we need in order to be able to restore the interface
+ * upon resume from suspend
+ */
+static int mdfld_save_registers(struct drm_device *dev)
+{
+ /* FIXME: We need to shut down panels here if using them
+ and once the right bits are merged */
+ mdfld_save_cursor_overlay_registers(dev);
+ mdfld_save_display_registers(dev, 0);
+ mdfld_save_display_registers(dev, 0);
+ mdfld_save_display_registers(dev, 2);
+ mdfld_save_display_registers(dev, 1);
+ mdfld_disable_crtc(dev, 0);
+ mdfld_disable_crtc(dev, 2);
+ mdfld_disable_crtc(dev, 1);
+ return 0;
+}
+
+/**
+ * mdfld_restore_display_registers - restore lost register state
+ * @dev: our DRM device
+ *
+ * Restore register state that was lost during suspend and resume.
+ */
+static int mdfld_restore_registers(struct drm_device *dev)
+{
+ mdfld_restore_display_registers(dev, 1);
+ mdfld_restore_display_registers(dev, 0);
+ mdfld_restore_display_registers(dev, 2);
+ mdfld_restore_cursor_overlay_registers(dev);
+ return 0;
+}
+
+static int mdfld_power_down(struct drm_device *dev)
+{
+ /* FIXME */
+ return 0;
+}
+
+static int mdfld_power_up(struct drm_device *dev)
+{
+ /* FIXME */
+ return 0;
+}
+
+const struct psb_ops mdfld_chip_ops = {
+ .output_init = mdfld_output_init,
+ .init_pm = mdfld_init_pm,
+ .save_regs = mdfld_save_registers,
+ .restore_regs = mdfld_restore_registers,
+ .power_down = mdfld_power_down,
+ .power_up = mdfld_power_up,
+};
+
}
}
-static void init_panel(struct drm_device *dev, int mipi_pipe, int p_type)
+static int init_panel(struct drm_device *dev, int mipi_pipe, int p_type)
{
struct panel_funcs *p_cmd_funcs;
struct panel_funcs *p_vid_funcs;
/* Oh boy ... FIXME */
p_cmd_funcs = kzalloc(sizeof(struct panel_funcs), GFP_KERNEL);
+ if (p_cmd_funcs == NULL)
+ return -ENODEV;
p_vid_funcs = kzalloc(sizeof(struct panel_funcs), GFP_KERNEL);
+ if (p_vid_funcs == NULL) {
+ kfree(p_cmd_funcs);
+ return -ENODEV;
+ }
switch (p_type) {
case TPO_CMD:
#endif
default:
dev_err(dev->dev, "Unsupported interface %d", p_type);
- break;
+ return -ENODEV;
}
+ return 0;
}
-void mdfld_output_init(struct drm_device *dev)
+int mdfld_output_init(struct drm_device *dev)
{
int type;
type = mdfld_get_panel_type(dev, 2);
dev_info(dev->dev, "panel 2: type is %d\n", type);
init_panel(dev, 2, type);
+
+ return 0;
}
int (*get_panel_info) (struct drm_device *, int, struct panel_info *);
};
-void mdfld_output_init(struct drm_device *dev);
+int mdfld_output_init(struct drm_device *dev);
int mdfld_panel_dpi(struct drm_device *dev);
int mdfld_get_panel_type(struct drm_device *dev, int pipe);
void mdfld_disable_crtc (struct drm_device *dev, int pipe);
--- /dev/null
+/**************************************************************************
+ * Copyright (c) 2011, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ **************************************************************************/
+
+#include <drm/drmP.h>
+#include <drm/drm.h>
+#include "psb_drm.h"
+#include "psb_drv.h"
+#include "psb_reg.h"
+#include "psb_intel_reg.h"
+#include <asm/intel_scu_ipc.h>
+
+/* IPC message and command defines used to enable/disable mipi panel voltages */
+#define IPC_MSG_PANEL_ON_OFF 0xE9
+#define IPC_CMD_PANEL_ON 1
+#define IPC_CMD_PANEL_OFF 0
+
+static int mrst_output_init(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ if (dev_priv->iLVDS_enable) {
+ mrst_lvds_init(dev, &dev_priv->mode_dev);
+ return 0;
+ }
+ dev_err(dev->dev, "DSI is not supported\n");
+ return -ENODEV;
+}
+
+/*
+ * Provide the Moorestown specific chip logic and low level methods
+ */
+
+static void mrst_init_pm(struct drm_device *dev)
+{
+}
+
+/**
+ * mrst_save_display_registers - save registers lost on suspend
+ * @dev: our DRM device
+ *
+ * Save the state we need in order to be able to restore the interface
+ * upon resume from suspend
+ */
+static int mrst_save_display_registers(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct drm_crtc *crtc;
+ struct drm_connector *connector;
+
+ /* Display arbitration control + watermarks */
+ dev_priv->saveDSPARB = PSB_RVDC32(DSPARB);
+ dev_priv->saveDSPFW1 = PSB_RVDC32(DSPFW1);
+ dev_priv->saveDSPFW2 = PSB_RVDC32(DSPFW2);
+ dev_priv->saveDSPFW3 = PSB_RVDC32(DSPFW3);
+ dev_priv->saveDSPFW4 = PSB_RVDC32(DSPFW4);
+ dev_priv->saveDSPFW5 = PSB_RVDC32(DSPFW5);
+ dev_priv->saveDSPFW6 = PSB_RVDC32(DSPFW6);
+ dev_priv->saveCHICKENBIT = PSB_RVDC32(DSPCHICKENBIT);
+
+ /* Save crtc and output state */
+ mutex_lock(&dev->mode_config.mutex);
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ if (drm_helper_crtc_in_use(crtc))
+ crtc->funcs->save(crtc);
+ }
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head)
+ connector->funcs->save(connector);
+
+ mutex_unlock(&dev->mode_config.mutex);
+ return 0;
+}
+
+/**
+ * mrst_restore_display_registers - restore lost register state
+ * @dev: our DRM device
+ *
+ * Restore register state that was lost during suspend and resume.
+ */
+static int mrst_restore_display_registers(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct drm_crtc *crtc;
+ struct drm_connector *connector;
+ int pp_stat;
+
+ if (!dev_priv->iLVDS_enable) {
+#ifdef CONFIG_X86_MRST
+ intel_scu_ipc_simple_command(IPC_MSG_PANEL_ON_OFF,
+ IPC_CMD_PANEL_ON);
+ /* FIXME: can we avoid this delay ? */
+ msleep(2000); /* wait 2 seconds */
+#endif
+ }
+
+ /* Display arbitration + watermarks */
+ PSB_WVDC32(dev_priv->saveDSPARB, DSPARB);
+ PSB_WVDC32(dev_priv->saveDSPFW1, DSPFW1);
+ PSB_WVDC32(dev_priv->saveDSPFW2, DSPFW2);
+ PSB_WVDC32(dev_priv->saveDSPFW3, DSPFW3);
+ PSB_WVDC32(dev_priv->saveDSPFW4, DSPFW4);
+ PSB_WVDC32(dev_priv->saveDSPFW5, DSPFW5);
+ PSB_WVDC32(dev_priv->saveDSPFW6, DSPFW6);
+ PSB_WVDC32(dev_priv->saveCHICKENBIT, DSPCHICKENBIT);
+
+ /*make sure VGA plane is off. it initializes to on after reset!*/
+ PSB_WVDC32(0x80000000, VGACNTRL);
+
+ mutex_lock(&dev->mode_config.mutex);
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
+ if (drm_helper_crtc_in_use(crtc))
+ crtc->funcs->restore(crtc);
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head)
+ connector->funcs->restore(connector);
+
+ mutex_unlock(&dev->mode_config.mutex);
+
+ if (dev_priv->iLVDS_enable) {
+ /*shutdown the panel*/
+ PSB_WVDC32(0, PP_CONTROL);
+ do {
+ pp_stat = PSB_RVDC32(PP_STATUS);
+ } while (pp_stat & 0x80000000);
+
+ /* Turn off the plane */
+ PSB_WVDC32(0x58000000, DSPACNTR);
+ PSB_WVDC32(0, DSPASURF);/*trigger the plane disable*/
+ /* Wait ~4 ticks */
+ msleep(4);
+ /* Turn off pipe */
+ PSB_WVDC32(0x0, PIPEACONF);
+ /* Wait ~8 ticks */
+ msleep(8);
+
+ /* Turn off PLLs */
+ PSB_WVDC32(0, MRST_DPLL_A);
+ } else {
+ PSB_WVDC32(DPI_SHUT_DOWN, DPI_CONTROL_REG);
+ PSB_WVDC32(0x0, PIPEACONF);
+ PSB_WVDC32(0x2faf0000, BLC_PWM_CTL);
+ while (REG_READ(0x70008) & 0x40000000)
+ cpu_relax();
+ while ((PSB_RVDC32(GEN_FIFO_STAT_REG) & DPI_FIFO_EMPTY)
+ != DPI_FIFO_EMPTY)
+ cpu_relax();
+ PSB_WVDC32(0, DEVICE_READY_REG);
+ /* Turn off panel power */
+#ifdef CONFIG_X86_MRST /* FIXME: kill define once modular */
+ intel_scu_ipc_simple_command(IPC_MSG_PANEL_ON_OFF,
+ IPC_CMD_PANEL_OFF);
+#endif
+ }
+ return 0;
+}
+
+/**
+ * mrst_power_down - power down the display island
+ * @dev: our DRM device
+ *
+ * Power down the display interface of our device
+ */
+static int mrst_power_down(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 pwr_mask ;
+ u32 pwr_sts;
+
+ pwr_mask = PSB_PWRGT_DISPLAY_MASK;
+ outl(pwr_mask, dev_priv->ospm_base + PSB_PM_SSC);
+
+ while (true) {
+ pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS);
+ if ((pwr_sts & pwr_mask) == pwr_mask)
+ break;
+ else
+ udelay(10);
+ }
+ return 0;
+}
+
+/*
+ * mrst_power_up
+ *
+ * Restore power to the specified island(s) (powergating)
+ */
+static int mrst_power_up(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 pwr_mask = PSB_PWRGT_DISPLAY_MASK;
+ u32 pwr_sts, pwr_cnt;
+
+ pwr_cnt = inl(dev_priv->ospm_base + PSB_PM_SSC);
+ pwr_cnt &= ~pwr_mask;
+ outl(pwr_cnt, (dev_priv->ospm_base + PSB_PM_SSC));
+
+ while (true) {
+ pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS);
+ if ((pwr_sts & pwr_mask) == 0)
+ break;
+ else
+ udelay(10);
+ }
+ return 0;
+}
+
+const struct psb_ops mrst_chip_ops = {
+ .output_init = mrst_output_init,
+ .init_pm = mrst_init_pm,
+ .save_regs = mrst_save_display_registers,
+ .restore_regs = mrst_restore_display_registers,
+ .power_down = mrst_power_down,
+ .power_up = mrst_power_up,
+};
+
--- /dev/null
+/**************************************************************************
+ * Copyright (c) 2009-2011, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * 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 (including the next
+ * paragraph) 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.
+ *
+ * Authors:
+ * Benjamin Defnet <benjamin.r.defnet@intel.com>
+ * Rajesh Poornachandran <rajesh.poornachandran@intel.com>
+ * Massively reworked
+ * Alan Cox <alan@linux.intel.com>
+ */
+#include "psb_powermgmt.h"
+#include "psb_drv.h"
+#include "psb_reg.h"
+#include "psb_intel_reg.h"
+#include <linux/mutex.h>
+#include <linux/pm_runtime.h>
+
+static struct mutex power_mutex;
+
+/**
+ * gma_power_init - initialise power manager
+ * @dev: our device
+ *
+ * Set up for power management tracking of our hardware.
+ */
+void gma_power_init(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ /* FIXME: need to sort out fetching apm_reg for both platforms ?? */
+
+ dev_priv->apm_base = dev_priv->apm_reg & 0xffff;
+ dev_priv->ospm_base &= 0xffff;
+
+ dev_priv->display_power = true; /* We start active */
+ dev_priv->display_count = 0; /* Currently no users */
+ dev_priv->suspended = false; /* And not suspended */
+ mutex_init(&power_mutex);
+
+ dev_priv->ops->init_pm(dev);
+}
+
+/**
+ * gma_power_uninit - end power manager
+ * @dev: device to end for
+ *
+ * Undo the effects of gma_power_init
+ */
+void gma_power_uninit(struct drm_device *dev)
+{
+ mutex_destroy(&power_mutex);
+ pm_runtime_disable(&dev->pdev->dev);
+ pm_runtime_set_suspended(&dev->pdev->dev);
+}
+
+
+
+
+/**
+ * gma_suspend_display - suspend the display logic
+ * @dev: our DRM device
+ *
+ * Suspend the display logic of the graphics interface
+ *
+ * FIXME: This ought to be replaced by a dev_priv-> ops interface
+ * where the various platforms register their save/restore methods
+ * and keep them in their own support files.
+ */
+static void gma_suspend_display(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ if (dev_priv->suspended)
+ return;
+ dev_priv->ops->save_regs(dev);
+ dev_priv->ops->power_down(dev);
+ dev_priv->display_power = false;
+}
+
+/**
+ * gma_resume_display - resume display side logic
+ *
+ * Resume the display hardware restoring state and enabling
+ * as necessary.
+ */
+static void gma_resume_display(struct pci_dev *pdev)
+{
+ struct drm_device *dev = pci_get_drvdata(pdev);
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ if (dev_priv->suspended == false)
+ return;
+
+ /* turn on the display power island */
+ dev_priv->ops->power_up(dev);
+ dev_priv->suspended = false;
+ dev_priv->display_power = true;
+
+ PSB_WVDC32(dev_priv->pge_ctl | _PSB_PGETBL_ENABLED, PSB_PGETBL_CTL);
+ pci_write_config_word(pdev, PSB_GMCH_CTRL,
+ dev_priv->gmch_ctrl | _PSB_GMCH_ENABLED);
+ dev_priv->ops->restore_regs(dev);
+}
+
+/**
+ * gma_suspend_pci - suspend PCI side
+ * @pdev: PCI device
+ *
+ * Perform the suspend processing on our PCI device state
+ */
+static void gma_suspend_pci(struct pci_dev *pdev)
+{
+ struct drm_device *dev = pci_get_drvdata(pdev);
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int bsm, vbt;
+
+ if (dev_priv->suspended)
+ return;
+
+ pci_save_state(pdev);
+ pci_read_config_dword(pdev, 0x5C, &bsm);
+ dev_priv->saveBSM = bsm;
+ pci_read_config_dword(pdev, 0xFC, &vbt);
+ dev_priv->saveVBT = vbt;
+ pci_read_config_dword(pdev, PSB_PCIx_MSI_ADDR_LOC, &dev_priv->msi_addr);
+ pci_read_config_dword(pdev, PSB_PCIx_MSI_DATA_LOC, &dev_priv->msi_data);
+
+ pci_disable_device(pdev);
+ pci_set_power_state(pdev, PCI_D3hot);
+
+ dev_priv->suspended = true;
+}
+
+/**
+ * gma_resume_pci - resume helper
+ * @dev: our PCI device
+ *
+ * Perform the resume processing on our PCI device state - rewrite
+ * register state and re-enable the PCI device
+ */
+static bool gma_resume_pci(struct pci_dev *pdev)
+{
+ struct drm_device *dev = pci_get_drvdata(pdev);
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int ret;
+
+ if (!dev_priv->suspended)
+ return true;
+
+ pci_set_power_state(pdev, PCI_D0);
+ pci_restore_state(pdev);
+ pci_write_config_dword(pdev, 0x5c, dev_priv->saveBSM);
+ pci_write_config_dword(pdev, 0xFC, dev_priv->saveVBT);
+ /* restoring MSI address and data in PCIx space */
+ pci_write_config_dword(pdev, PSB_PCIx_MSI_ADDR_LOC, dev_priv->msi_addr);
+ pci_write_config_dword(pdev, PSB_PCIx_MSI_DATA_LOC, dev_priv->msi_data);
+ ret = pci_enable_device(pdev);
+
+ if (ret != 0)
+ dev_err(&pdev->dev, "pci_enable failed: %d\n", ret);
+ else
+ dev_priv->suspended = false;
+ return !dev_priv->suspended;
+}
+
+/**
+ * gma_power_suspend - bus callback for suspend
+ * @pdev: our PCI device
+ * @state: suspend type
+ *
+ * Called back by the PCI layer during a suspend of the system. We
+ * perform the necessary shut down steps and save enough state that
+ * we can undo this when resume is called.
+ */
+int gma_power_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ struct drm_device *dev = pci_get_drvdata(pdev);
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ mutex_lock(&power_mutex);
+ if (!dev_priv->suspended) {
+ if (dev_priv->display_count) {
+ mutex_unlock(&power_mutex);
+ return -EBUSY;
+ }
+ psb_irq_uninstall(dev);
+ gma_suspend_display(dev);
+ gma_suspend_pci(pdev);
+ }
+ mutex_unlock(&power_mutex);
+ return 0;
+}
+
+
+/**
+ * gma_power_resume - resume power
+ * @pdev: PCI device
+ *
+ * Resume the PCI side of the graphics and then the displays
+ */
+int gma_power_resume(struct pci_dev *pdev)
+{
+ struct drm_device *dev = pci_get_drvdata(pdev);
+
+ mutex_lock(&power_mutex);
+ gma_resume_pci(pdev);
+ gma_resume_display(pdev);
+ psb_irq_preinstall(dev);
+ psb_irq_postinstall(dev);
+ mutex_unlock(&power_mutex);
+ return 0;
+}
+
+
+
+/**
+ * gma_power_is_on - returne true if power is on
+ * @dev: our DRM device
+ *
+ * Returns true if the display island power is on at this moment
+ */
+bool gma_power_is_on(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ return dev_priv->display_power;
+}
+
+
+/**
+ * gma_power_begin - begin requiring power
+ * @dev: our DRM device
+ * @force_on: true to force power on
+ *
+ * Begin an action that requires the display power island is enabled.
+ * We refcount the islands.
+ *
+ * FIXME: locking
+ */
+bool gma_power_begin(struct drm_device *dev, bool force_on)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int ret;
+
+ /* Power already on ? */
+ if (dev_priv->display_power) {
+ dev_priv->display_count++;
+ pm_runtime_get(&dev->pdev->dev);
+ return true;
+ }
+ if (force_on == false)
+ return false;
+
+ /* Ok power up needed */
+ ret = gma_resume_pci(dev->pdev);
+ if (ret == 0) {
+ psb_irq_preinstall(dev);
+ psb_irq_postinstall(dev);
+ pm_runtime_get(&dev->pdev->dev);
+ dev_priv->display_count++;
+ return true;
+ }
+ return false;
+}
+
+
+/**
+ * gma_power_end - end use of power
+ * @dev: Our DRM device
+ *
+ * Indicate that one of our gma_power_begin() requested periods when
+ * the diplay island power is needed has completed.
+ */
+void gma_power_end(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ dev_priv->display_count--;
+ WARN_ON(dev_priv->display_count < 0);
+ pm_runtime_put(&dev->pdev->dev);
+}
+
+int psb_runtime_suspend(struct device *dev)
+{
+ static pm_message_t dummy;
+ return gma_power_suspend(to_pci_dev(dev), dummy);
+}
+
+int psb_runtime_resume(struct device *dev)
+{
+ return 0;
+}
+
+int psb_runtime_idle(struct device *dev)
+{
+ struct drm_device *drmdev = pci_get_drvdata(to_pci_dev(dev));
+ struct drm_psb_private *dev_priv = drmdev->dev_private;
+ if (dev_priv->display_count)
+ return 0;
+ else
+ return 1;
+}
+
--- /dev/null
+/**************************************************************************
+ * Copyright (c) 2011, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ **************************************************************************/
+
+#include <drm/drmP.h>
+#include <drm/drm.h>
+#include "psb_drm.h"
+#include "psb_drv.h"
+#include "psb_reg.h"
+#include "psb_intel_reg.h"
+
+static int psb_output_init(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ psb_intel_lvds_init(dev, &dev_priv->mode_dev);
+ psb_intel_sdvo_init(dev, SDVOB);
+ return 0;
+}
+
+/*
+ * Provide the Poulsbo specific chip logic and low level methods
+ */
+
+static void psb_init_pm(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ u32 gating = PSB_RSGX32(PSB_CR_CLKGATECTL);
+ gating &= ~3; /* Disable 2D clock gating */
+ gating |= 1;
+ PSB_WSGX32(gating, PSB_CR_CLKGATECTL);
+ PSB_RSGX32(PSB_CR_CLKGATECTL);
+}
+
+/**
+ * psb_save_display_registers - save registers lost on suspend
+ * @dev: our DRM device
+ *
+ * Save the state we need in order to be able to restore the interface
+ * upon resume from suspend
+ */
+static int psb_save_display_registers(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct drm_crtc *crtc;
+ struct drm_connector *connector;
+
+ /* Display arbitration control + watermarks */
+ dev_priv->saveDSPARB = PSB_RVDC32(DSPARB);
+ dev_priv->saveDSPFW1 = PSB_RVDC32(DSPFW1);
+ dev_priv->saveDSPFW2 = PSB_RVDC32(DSPFW2);
+ dev_priv->saveDSPFW3 = PSB_RVDC32(DSPFW3);
+ dev_priv->saveDSPFW4 = PSB_RVDC32(DSPFW4);
+ dev_priv->saveDSPFW5 = PSB_RVDC32(DSPFW5);
+ dev_priv->saveDSPFW6 = PSB_RVDC32(DSPFW6);
+ dev_priv->saveCHICKENBIT = PSB_RVDC32(DSPCHICKENBIT);
+
+ /* Save crtc and output state */
+ mutex_lock(&dev->mode_config.mutex);
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ if (drm_helper_crtc_in_use(crtc))
+ crtc->funcs->save(crtc);
+ }
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head)
+ connector->funcs->save(connector);
+
+ mutex_unlock(&dev->mode_config.mutex);
+ return 0;
+}
+
+/**
+ * psb_restore_display_registers - restore lost register state
+ * @dev: our DRM device
+ *
+ * Restore register state that was lost during suspend and resume.
+ */
+static int psb_restore_display_registers(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct drm_crtc *crtc;
+ struct drm_connector *connector;
+ int pp_stat;
+
+ /* Display arbitration + watermarks */
+ PSB_WVDC32(dev_priv->saveDSPARB, DSPARB);
+ PSB_WVDC32(dev_priv->saveDSPFW1, DSPFW1);
+ PSB_WVDC32(dev_priv->saveDSPFW2, DSPFW2);
+ PSB_WVDC32(dev_priv->saveDSPFW3, DSPFW3);
+ PSB_WVDC32(dev_priv->saveDSPFW4, DSPFW4);
+ PSB_WVDC32(dev_priv->saveDSPFW5, DSPFW5);
+ PSB_WVDC32(dev_priv->saveDSPFW6, DSPFW6);
+ PSB_WVDC32(dev_priv->saveCHICKENBIT, DSPCHICKENBIT);
+
+ /*make sure VGA plane is off. it initializes to on after reset!*/
+ PSB_WVDC32(0x80000000, VGACNTRL);
+
+ mutex_lock(&dev->mode_config.mutex);
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
+ if (drm_helper_crtc_in_use(crtc))
+ crtc->funcs->restore(crtc);
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head)
+ connector->funcs->restore(connector);
+
+ mutex_unlock(&dev->mode_config.mutex);
+
+ if (dev_priv->iLVDS_enable) {
+ /*shutdown the panel*/
+ PSB_WVDC32(0, PP_CONTROL);
+ do {
+ pp_stat = PSB_RVDC32(PP_STATUS);
+ } while (pp_stat & 0x80000000);
+
+ /* Turn off the plane */
+ PSB_WVDC32(0x58000000, DSPACNTR);
+ PSB_WVDC32(0, DSPASURF);/*trigger the plane disable*/
+ /* Wait ~4 ticks */
+ msleep(4);
+ /* Turn off pipe */
+ PSB_WVDC32(0x0, PIPEACONF);
+ /* Wait ~8 ticks */
+ msleep(8);
+
+ /* Turn off PLLs */
+ PSB_WVDC32(0, MRST_DPLL_A);
+ } else {
+ PSB_WVDC32(DPI_SHUT_DOWN, DPI_CONTROL_REG);
+ PSB_WVDC32(0x0, PIPEACONF);
+ PSB_WVDC32(0x2faf0000, BLC_PWM_CTL);
+ while (REG_READ(0x70008) & 0x40000000)
+ cpu_relax();
+ while ((PSB_RVDC32(GEN_FIFO_STAT_REG) & DPI_FIFO_EMPTY)
+ != DPI_FIFO_EMPTY)
+ cpu_relax();
+ PSB_WVDC32(0, DEVICE_READY_REG);
+ }
+ return 0;
+}
+
+int psb_power_down(struct drm_device *dev)
+{
+ return 0;
+}
+
+int psb_power_up(struct drm_device *dev)
+{
+ return 0;
+}
+
+const struct psb_ops psb_chip_ops = {
+ .output_init = psb_output_init,
+ .init_pm = psb_init_pm,
+ .save_regs = psb_save_display_registers,
+ .restore_regs = psb_restore_display_registers,
+ .power_down = psb_power_down,
+ .power_up = psb_power_up,
+};
+
static DEFINE_PCI_DEVICE_TABLE(pciidlist) = {
- { 0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PSB_8108 },
- { 0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PSB_8109 },
- { 0x8086, 0x4100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MRST_4100},
- { 0x8086, 0x4101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MRST_4100},
- { 0x8086, 0x4102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MRST_4100},
- { 0x8086, 0x4103, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MRST_4100},
- { 0x8086, 0x4104, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MRST_4100},
- { 0x8086, 0x4105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MRST_4100},
- { 0x8086, 0x4106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MRST_4100},
- { 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MRST_4100},
- { 0x8086, 0x0130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MFLD_0130},
- { 0x8086, 0x0131, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MFLD_0130},
- { 0x8086, 0x0132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MFLD_0130},
- { 0x8086, 0x0133, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MFLD_0130},
- { 0x8086, 0x0134, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MFLD_0130},
- { 0x8086, 0x0135, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MFLD_0130},
- { 0x8086, 0x0136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MFLD_0130},
- { 0x8086, 0x0137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MFLD_0130},
+ { 0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
+ { 0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
+ { 0x8086, 0x4100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
+ { 0x8086, 0x4101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
+ { 0x8086, 0x4102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
+ { 0x8086, 0x4103, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
+ { 0x8086, 0x4104, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
+ { 0x8086, 0x4105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
+ { 0x8086, 0x4106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
+ { 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
+ { 0x8086, 0x0130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
+ { 0x8086, 0x0131, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
+ { 0x8086, 0x0132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
+ { 0x8086, 0x0133, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
+ { 0x8086, 0x0134, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
+ { 0x8086, 0x0135, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
+ { 0x8086, 0x0136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
+ { 0x8086, 0x0137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
{ 0, 0, 0}
};
MODULE_DEVICE_TABLE(pci, pciidlist);
static int psb_driver_unload(struct drm_device *dev)
{
- struct drm_psb_private *dev_priv =
- (struct drm_psb_private *) dev->dev_private;
+ struct drm_psb_private *dev_priv = dev->dev_private;
/* Kill vblank etc here */
if (dev_priv == NULL)
return -ENOMEM;
+ dev_priv->ops = (struct psb_ops *)chipset;
+ dev_priv->dev = dev;
+ dev->dev_private = (void *) dev_priv;
+
if (IS_MRST(dev))
dev_priv->num_pipe = 1;
else if (IS_MFLD(dev))
else
dev_priv->num_pipe = 2;
- dev_priv->dev = dev;
-
- dev->dev_private = (void *) dev_priv;
- dev_priv->chipset = chipset;
resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE);
int enabled;
};
+struct psb_ops;
struct drm_psb_private {
struct drm_device *dev;
-
- unsigned long chipset;
+ const struct psb_ops *ops;
struct psb_gtt *pg;
};
+/*
+ * Operations for each board type
+ */
+
+struct psb_ops {
+ /* Display management hooks */
+ int (*output_init)(struct drm_device *dev);
+ /* Power management hooks */
+ void (*init_pm)(struct drm_device *dev);
+ int (*save_regs)(struct drm_device *dev);
+ int (*restore_regs)(struct drm_device *dev);
+ int (*power_up)(struct drm_device *dev);
+ int (*power_down)(struct drm_device *dev);
+};
+
+
+
struct psb_mmu_driver;
extern int drm_crtc_probe_output_modes(struct drm_device *dev, int, int);
uint32_t handle, uint64_t *offset);
extern int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
+/* psb_device.c */
+extern const struct psb_ops psb_chip_ops;
+
+/* mrst_device.c */
+extern const struct psb_ops mrst_chip_ops;
+
+/* mdfld_device.c */
+extern const struct psb_ops mdfld_chip_ops;
/*
* Debug print bits setting
drm_mode_create_scaling_mode_property(dev);
psb_create_backlight_property(dev);
- if (IS_MRST(dev)) {
- if (dev_priv->iLVDS_enable)
- mrst_lvds_init(dev, &dev_priv->mode_dev);
- else
- dev_err(dev->dev, "DSI is not supported\n");
- } else if (IS_MFLD(dev)) {
- mdfld_output_init(dev);
- } else {
- psb_intel_lvds_init(dev, &dev_priv->mode_dev);
- psb_intel_sdvo_init(dev, SDVOB);
- }
+ dev_priv->ops->output_init(dev);
list_for_each_entry(connector, &dev->mode_config.connector_list,
head) {
+++ /dev/null
-/**************************************************************************
- * Copyright (c) 2009-2011, Intel Corporation.
- * All Rights Reserved.
- *
- * 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 (including the next
- * paragraph) 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.
- *
- * Authors:
- * Benjamin Defnet <benjamin.r.defnet@intel.com>
- * Rajesh Poornachandran <rajesh.poornachandran@intel.com>
- * Massively reworked
- * Alan Cox <alan@linux.intel.com>
- */
-#include "psb_powermgmt.h"
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include "mdfld_output.h"
-#include "mdfld_dsi_output.h"
-#include <linux/mutex.h>
-#include <linux/pm_runtime.h>
-#include <asm/intel_scu_ipc.h>
-
-/* IPC message and command defines used to enable/disable mipi panel voltages */
-#define IPC_MSG_PANEL_ON_OFF 0xE9
-#define IPC_CMD_PANEL_ON 1
-#define IPC_CMD_PANEL_OFF 0
-
-static struct mutex power_mutex;
-
-/**
- * gma_power_init - initialise power manager
- * @dev: our device
- *
- * Set up for power management tracking of our hardware.
- */
-void gma_power_init(struct drm_device *dev)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
-
- /* FIXME: need to sort out fetching apm_reg for both platforms ?? */
-
- dev_priv->apm_base = dev_priv->apm_reg & 0xffff;
- dev_priv->ospm_base &= 0xffff;
-
- dev_priv->display_power = true; /* We start active */
- dev_priv->display_count = 0; /* Currently no users */
- dev_priv->suspended = false; /* And not suspended */
- mutex_init(&power_mutex);
-
- if (!IS_MRST(dev) && !IS_MFLD(dev)) {
- /* FIXME: wants further review */
- u32 gating = PSB_RSGX32(PSB_CR_CLKGATECTL);
- /* Disable 2D clock gating */
- gating &= ~3;
- gating |= 1;
- PSB_WSGX32(gating, PSB_CR_CLKGATECTL);
- PSB_RSGX32(PSB_CR_CLKGATECTL);
- }
-}
-
-/**
- * gma_power_uninit - end power manager
- * @dev: device to end for
- *
- * Undo the effects of gma_power_init
- */
-void gma_power_uninit(struct drm_device *dev)
-{
- mutex_destroy(&power_mutex);
- pm_runtime_disable(&dev->pdev->dev);
- pm_runtime_set_suspended(&dev->pdev->dev);
-}
-
-
-/**
- * save_display_registers - save registers lost on suspend
- * @dev: our DRM device
- *
- * Save the state we need in order to be able to restore the interface
- * upon resume from suspend
- */
-static int save_display_registers(struct drm_device *dev)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
- struct drm_crtc *crtc;
- struct drm_connector *connector;
-
- /* Display arbitration control + watermarks */
- dev_priv->saveDSPARB = PSB_RVDC32(DSPARB);
- dev_priv->saveDSPFW1 = PSB_RVDC32(DSPFW1);
- dev_priv->saveDSPFW2 = PSB_RVDC32(DSPFW2);
- dev_priv->saveDSPFW3 = PSB_RVDC32(DSPFW3);
- dev_priv->saveDSPFW4 = PSB_RVDC32(DSPFW4);
- dev_priv->saveDSPFW5 = PSB_RVDC32(DSPFW5);
- dev_priv->saveDSPFW6 = PSB_RVDC32(DSPFW6);
- dev_priv->saveCHICKENBIT = PSB_RVDC32(DSPCHICKENBIT);
-
- /* Save crtc and output state */
- mutex_lock(&dev->mode_config.mutex);
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
- if (drm_helper_crtc_in_use(crtc))
- crtc->funcs->save(crtc);
- }
-
- list_for_each_entry(connector, &dev->mode_config.connector_list, head)
- connector->funcs->save(connector);
-
- mutex_unlock(&dev->mode_config.mutex);
- return 0;
-}
-
-/**
- * restore_display_registers - restore lost register state
- * @dev: our DRM device
- *
- * Restore register state that was lost during suspend and resume.
- */
-static int restore_display_registers(struct drm_device *dev)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
- struct drm_crtc *crtc;
- struct drm_connector *connector;
-
- /* Display arbitration + watermarks */
- PSB_WVDC32(dev_priv->saveDSPARB, DSPARB);
- PSB_WVDC32(dev_priv->saveDSPFW1, DSPFW1);
- PSB_WVDC32(dev_priv->saveDSPFW2, DSPFW2);
- PSB_WVDC32(dev_priv->saveDSPFW3, DSPFW3);
- PSB_WVDC32(dev_priv->saveDSPFW4, DSPFW4);
- PSB_WVDC32(dev_priv->saveDSPFW5, DSPFW5);
- PSB_WVDC32(dev_priv->saveDSPFW6, DSPFW6);
- PSB_WVDC32(dev_priv->saveCHICKENBIT, DSPCHICKENBIT);
-
- /*make sure VGA plane is off. it initializes to on after reset!*/
- PSB_WVDC32(0x80000000, VGACNTRL);
-
- mutex_lock(&dev->mode_config.mutex);
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
- if (drm_helper_crtc_in_use(crtc))
- crtc->funcs->restore(crtc);
-
- list_for_each_entry(connector, &dev->mode_config.connector_list, head)
- connector->funcs->restore(connector);
-
- mutex_unlock(&dev->mode_config.mutex);
- return 0;
-}
-
-/**
- * mdfld_save_display_registers - save registers for pipe
- * @dev: our device
- * @pipe: pipe to save
- *
- * Save the pipe state of the device before we power it off. Keep everything
- * we need to put it back again
- */
-static int mdfld_save_display_registers(struct drm_device *dev, int pipe)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
- int i;
-
- /* register */
- u32 dpll_reg = MRST_DPLL_A;
- u32 fp_reg = MRST_FPA0;
- u32 pipeconf_reg = PIPEACONF;
- u32 htot_reg = HTOTAL_A;
- u32 hblank_reg = HBLANK_A;
- u32 hsync_reg = HSYNC_A;
- u32 vtot_reg = VTOTAL_A;
- u32 vblank_reg = VBLANK_A;
- u32 vsync_reg = VSYNC_A;
- u32 pipesrc_reg = PIPEASRC;
- u32 dspstride_reg = DSPASTRIDE;
- u32 dsplinoff_reg = DSPALINOFF;
- u32 dsptileoff_reg = DSPATILEOFF;
- u32 dspsize_reg = DSPASIZE;
- u32 dsppos_reg = DSPAPOS;
- u32 dspsurf_reg = DSPASURF;
- u32 mipi_reg = MIPI;
- u32 dspcntr_reg = DSPACNTR;
- u32 dspstatus_reg = PIPEASTAT;
- u32 palette_reg = PALETTE_A;
-
- /* pointer to values */
- u32 *dpll_val = &dev_priv->saveDPLL_A;
- u32 *fp_val = &dev_priv->saveFPA0;
- u32 *pipeconf_val = &dev_priv->savePIPEACONF;
- u32 *htot_val = &dev_priv->saveHTOTAL_A;
- u32 *hblank_val = &dev_priv->saveHBLANK_A;
- u32 *hsync_val = &dev_priv->saveHSYNC_A;
- u32 *vtot_val = &dev_priv->saveVTOTAL_A;
- u32 *vblank_val = &dev_priv->saveVBLANK_A;
- u32 *vsync_val = &dev_priv->saveVSYNC_A;
- u32 *pipesrc_val = &dev_priv->savePIPEASRC;
- u32 *dspstride_val = &dev_priv->saveDSPASTRIDE;
- u32 *dsplinoff_val = &dev_priv->saveDSPALINOFF;
- u32 *dsptileoff_val = &dev_priv->saveDSPATILEOFF;
- u32 *dspsize_val = &dev_priv->saveDSPASIZE;
- u32 *dsppos_val = &dev_priv->saveDSPAPOS;
- u32 *dspsurf_val = &dev_priv->saveDSPASURF;
- u32 *mipi_val = &dev_priv->saveMIPI;
- u32 *dspcntr_val = &dev_priv->saveDSPACNTR;
- u32 *dspstatus_val = &dev_priv->saveDSPASTATUS;
- u32 *palette_val = dev_priv->save_palette_a;
-
- switch (pipe) {
- case 0:
- break;
- case 1:
- /* register */
- dpll_reg = MDFLD_DPLL_B;
- fp_reg = MDFLD_DPLL_DIV0;
- pipeconf_reg = PIPEBCONF;
- htot_reg = HTOTAL_B;
- hblank_reg = HBLANK_B;
- hsync_reg = HSYNC_B;
- vtot_reg = VTOTAL_B;
- vblank_reg = VBLANK_B;
- vsync_reg = VSYNC_B;
- pipesrc_reg = PIPEBSRC;
- dspstride_reg = DSPBSTRIDE;
- dsplinoff_reg = DSPBLINOFF;
- dsptileoff_reg = DSPBTILEOFF;
- dspsize_reg = DSPBSIZE;
- dsppos_reg = DSPBPOS;
- dspsurf_reg = DSPBSURF;
- dspcntr_reg = DSPBCNTR;
- dspstatus_reg = PIPEBSTAT;
- palette_reg = PALETTE_B;
-
- /* values */
- dpll_val = &dev_priv->saveDPLL_B;
- fp_val = &dev_priv->saveFPB0;
- pipeconf_val = &dev_priv->savePIPEBCONF;
- htot_val = &dev_priv->saveHTOTAL_B;
- hblank_val = &dev_priv->saveHBLANK_B;
- hsync_val = &dev_priv->saveHSYNC_B;
- vtot_val = &dev_priv->saveVTOTAL_B;
- vblank_val = &dev_priv->saveVBLANK_B;
- vsync_val = &dev_priv->saveVSYNC_B;
- pipesrc_val = &dev_priv->savePIPEBSRC;
- dspstride_val = &dev_priv->saveDSPBSTRIDE;
- dsplinoff_val = &dev_priv->saveDSPBLINOFF;
- dsptileoff_val = &dev_priv->saveDSPBTILEOFF;
- dspsize_val = &dev_priv->saveDSPBSIZE;
- dsppos_val = &dev_priv->saveDSPBPOS;
- dspsurf_val = &dev_priv->saveDSPBSURF;
- dspcntr_val = &dev_priv->saveDSPBCNTR;
- dspstatus_val = &dev_priv->saveDSPBSTATUS;
- palette_val = dev_priv->save_palette_b;
- break;
- case 2:
- /* register */
- pipeconf_reg = PIPECCONF;
- htot_reg = HTOTAL_C;
- hblank_reg = HBLANK_C;
- hsync_reg = HSYNC_C;
- vtot_reg = VTOTAL_C;
- vblank_reg = VBLANK_C;
- vsync_reg = VSYNC_C;
- pipesrc_reg = PIPECSRC;
- dspstride_reg = DSPCSTRIDE;
- dsplinoff_reg = DSPCLINOFF;
- dsptileoff_reg = DSPCTILEOFF;
- dspsize_reg = DSPCSIZE;
- dsppos_reg = DSPCPOS;
- dspsurf_reg = DSPCSURF;
- mipi_reg = MIPI_C;
- dspcntr_reg = DSPCCNTR;
- dspstatus_reg = PIPECSTAT;
- palette_reg = PALETTE_C;
-
- /* pointer to values */
- pipeconf_val = &dev_priv->savePIPECCONF;
- htot_val = &dev_priv->saveHTOTAL_C;
- hblank_val = &dev_priv->saveHBLANK_C;
- hsync_val = &dev_priv->saveHSYNC_C;
- vtot_val = &dev_priv->saveVTOTAL_C;
- vblank_val = &dev_priv->saveVBLANK_C;
- vsync_val = &dev_priv->saveVSYNC_C;
- pipesrc_val = &dev_priv->savePIPECSRC;
- dspstride_val = &dev_priv->saveDSPCSTRIDE;
- dsplinoff_val = &dev_priv->saveDSPCLINOFF;
- dsptileoff_val = &dev_priv->saveDSPCTILEOFF;
- dspsize_val = &dev_priv->saveDSPCSIZE;
- dsppos_val = &dev_priv->saveDSPCPOS;
- dspsurf_val = &dev_priv->saveDSPCSURF;
- mipi_val = &dev_priv->saveMIPI_C;
- dspcntr_val = &dev_priv->saveDSPCCNTR;
- dspstatus_val = &dev_priv->saveDSPCSTATUS;
- palette_val = dev_priv->save_palette_c;
- break;
- default:
- DRM_ERROR("%s, invalid pipe number.\n", __func__);
- return -EINVAL;
- }
-
- /* Pipe & plane A info */
- *dpll_val = PSB_RVDC32(dpll_reg);
- *fp_val = PSB_RVDC32(fp_reg);
- *pipeconf_val = PSB_RVDC32(pipeconf_reg);
- *htot_val = PSB_RVDC32(htot_reg);
- *hblank_val = PSB_RVDC32(hblank_reg);
- *hsync_val = PSB_RVDC32(hsync_reg);
- *vtot_val = PSB_RVDC32(vtot_reg);
- *vblank_val = PSB_RVDC32(vblank_reg);
- *vsync_val = PSB_RVDC32(vsync_reg);
- *pipesrc_val = PSB_RVDC32(pipesrc_reg);
- *dspstride_val = PSB_RVDC32(dspstride_reg);
- *dsplinoff_val = PSB_RVDC32(dsplinoff_reg);
- *dsptileoff_val = PSB_RVDC32(dsptileoff_reg);
- *dspsize_val = PSB_RVDC32(dspsize_reg);
- *dsppos_val = PSB_RVDC32(dsppos_reg);
- *dspsurf_val = PSB_RVDC32(dspsurf_reg);
- *dspcntr_val = PSB_RVDC32(dspcntr_reg);
- *dspstatus_val = PSB_RVDC32(dspstatus_reg);
-
- /*save palette (gamma) */
- for (i = 0; i < 256; i++)
- palette_val[i] = PSB_RVDC32(palette_reg + (i<<2));
-
- if (pipe == 1) {
- dev_priv->savePFIT_CONTROL = PSB_RVDC32(PFIT_CONTROL);
- dev_priv->savePFIT_PGM_RATIOS = PSB_RVDC32(PFIT_PGM_RATIOS);
- dev_priv->saveHDMIPHYMISCCTL = PSB_RVDC32(HDMIPHYMISCCTL);
- dev_priv->saveHDMIB_CONTROL = PSB_RVDC32(HDMIB_CONTROL);
- return 0;
- }
- *mipi_val = PSB_RVDC32(mipi_reg);
- return 0;
-}
-
-/**
- * mdfld_save_cursor_overlay_registers - save cursor overlay info
- * @dev: our device
- *
- * Save the cursor and overlay register state
- */
-static int mdfld_save_cursor_overlay_registers(struct drm_device *dev)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
-
- /* Save cursor regs */
- dev_priv->saveDSPACURSOR_CTRL = PSB_RVDC32(CURACNTR);
- dev_priv->saveDSPACURSOR_BASE = PSB_RVDC32(CURABASE);
- dev_priv->saveDSPACURSOR_POS = PSB_RVDC32(CURAPOS);
-
- dev_priv->saveDSPBCURSOR_CTRL = PSB_RVDC32(CURBCNTR);
- dev_priv->saveDSPBCURSOR_BASE = PSB_RVDC32(CURBBASE);
- dev_priv->saveDSPBCURSOR_POS = PSB_RVDC32(CURBPOS);
-
- dev_priv->saveDSPCCURSOR_CTRL = PSB_RVDC32(CURCCNTR);
- dev_priv->saveDSPCCURSOR_BASE = PSB_RVDC32(CURCBASE);
- dev_priv->saveDSPCCURSOR_POS = PSB_RVDC32(CURCPOS);
-
- /* HW overlay */
- dev_priv->saveOV_OVADD = PSB_RVDC32(OV_OVADD);
- dev_priv->saveOV_OGAMC0 = PSB_RVDC32(OV_OGAMC0);
- dev_priv->saveOV_OGAMC1 = PSB_RVDC32(OV_OGAMC1);
- dev_priv->saveOV_OGAMC2 = PSB_RVDC32(OV_OGAMC2);
- dev_priv->saveOV_OGAMC3 = PSB_RVDC32(OV_OGAMC3);
- dev_priv->saveOV_OGAMC4 = PSB_RVDC32(OV_OGAMC4);
- dev_priv->saveOV_OGAMC5 = PSB_RVDC32(OV_OGAMC5);
-
- dev_priv->saveOV_OVADD_C = PSB_RVDC32(OV_OVADD + OV_C_OFFSET);
- dev_priv->saveOV_OGAMC0_C = PSB_RVDC32(OV_OGAMC0 + OV_C_OFFSET);
- dev_priv->saveOV_OGAMC1_C = PSB_RVDC32(OV_OGAMC1 + OV_C_OFFSET);
- dev_priv->saveOV_OGAMC2_C = PSB_RVDC32(OV_OGAMC2 + OV_C_OFFSET);
- dev_priv->saveOV_OGAMC3_C = PSB_RVDC32(OV_OGAMC3 + OV_C_OFFSET);
- dev_priv->saveOV_OGAMC4_C = PSB_RVDC32(OV_OGAMC4 + OV_C_OFFSET);
- dev_priv->saveOV_OGAMC5_C = PSB_RVDC32(OV_OGAMC5 + OV_C_OFFSET);
-
- return 0;
-}
-/*
- * mdfld_restore_display_registers - restore the state of a pipe
- * @dev: our device
- * @pipe: the pipe to restore
- *
- * Restore the state of a pipe to that which was saved by the register save
- * functions.
- */
-static int mdfld_restore_display_registers(struct drm_device *dev, int pipe)
-{
- /* To get panel out of ULPS mode */
- struct drm_psb_private *dev_priv = dev->dev_private;
- struct mdfld_dsi_config *dsi_config = NULL;
- u32 i = 0;
- u32 dpll = 0;
- u32 timeout = 0;
- u32 reg_offset = 0;
-
- /* register */
- u32 dpll_reg = MRST_DPLL_A;
- u32 fp_reg = MRST_FPA0;
- u32 pipeconf_reg = PIPEACONF;
- u32 htot_reg = HTOTAL_A;
- u32 hblank_reg = HBLANK_A;
- u32 hsync_reg = HSYNC_A;
- u32 vtot_reg = VTOTAL_A;
- u32 vblank_reg = VBLANK_A;
- u32 vsync_reg = VSYNC_A;
- u32 pipesrc_reg = PIPEASRC;
- u32 dspstride_reg = DSPASTRIDE;
- u32 dsplinoff_reg = DSPALINOFF;
- u32 dsptileoff_reg = DSPATILEOFF;
- u32 dspsize_reg = DSPASIZE;
- u32 dsppos_reg = DSPAPOS;
- u32 dspsurf_reg = DSPASURF;
- u32 dspstatus_reg = PIPEASTAT;
- u32 mipi_reg = MIPI;
- u32 dspcntr_reg = DSPACNTR;
- u32 palette_reg = PALETTE_A;
-
- /* values */
- u32 dpll_val = dev_priv->saveDPLL_A & ~DPLL_VCO_ENABLE;
- u32 fp_val = dev_priv->saveFPA0;
- u32 pipeconf_val = dev_priv->savePIPEACONF;
- u32 htot_val = dev_priv->saveHTOTAL_A;
- u32 hblank_val = dev_priv->saveHBLANK_A;
- u32 hsync_val = dev_priv->saveHSYNC_A;
- u32 vtot_val = dev_priv->saveVTOTAL_A;
- u32 vblank_val = dev_priv->saveVBLANK_A;
- u32 vsync_val = dev_priv->saveVSYNC_A;
- u32 pipesrc_val = dev_priv->savePIPEASRC;
- u32 dspstride_val = dev_priv->saveDSPASTRIDE;
- u32 dsplinoff_val = dev_priv->saveDSPALINOFF;
- u32 dsptileoff_val = dev_priv->saveDSPATILEOFF;
- u32 dspsize_val = dev_priv->saveDSPASIZE;
- u32 dsppos_val = dev_priv->saveDSPAPOS;
- u32 dspsurf_val = dev_priv->saveDSPASURF;
- u32 dspstatus_val = dev_priv->saveDSPASTATUS;
- u32 mipi_val = dev_priv->saveMIPI;
- u32 dspcntr_val = dev_priv->saveDSPACNTR;
- u32 *palette_val = dev_priv->save_palette_a;
-
- switch (pipe) {
- case 0:
- dsi_config = dev_priv->dsi_configs[0];
- break;
- case 1:
- /* register */
- dpll_reg = MDFLD_DPLL_B;
- fp_reg = MDFLD_DPLL_DIV0;
- pipeconf_reg = PIPEBCONF;
- htot_reg = HTOTAL_B;
- hblank_reg = HBLANK_B;
- hsync_reg = HSYNC_B;
- vtot_reg = VTOTAL_B;
- vblank_reg = VBLANK_B;
- vsync_reg = VSYNC_B;
- pipesrc_reg = PIPEBSRC;
- dspstride_reg = DSPBSTRIDE;
- dsplinoff_reg = DSPBLINOFF;
- dsptileoff_reg = DSPBTILEOFF;
- dspsize_reg = DSPBSIZE;
- dsppos_reg = DSPBPOS;
- dspsurf_reg = DSPBSURF;
- dspcntr_reg = DSPBCNTR;
- palette_reg = PALETTE_B;
- dspstatus_reg = PIPEBSTAT;
-
- /* values */
- dpll_val = dev_priv->saveDPLL_B & ~DPLL_VCO_ENABLE;
- fp_val = dev_priv->saveFPB0;
- pipeconf_val = dev_priv->savePIPEBCONF;
- htot_val = dev_priv->saveHTOTAL_B;
- hblank_val = dev_priv->saveHBLANK_B;
- hsync_val = dev_priv->saveHSYNC_B;
- vtot_val = dev_priv->saveVTOTAL_B;
- vblank_val = dev_priv->saveVBLANK_B;
- vsync_val = dev_priv->saveVSYNC_B;
- pipesrc_val = dev_priv->savePIPEBSRC;
- dspstride_val = dev_priv->saveDSPBSTRIDE;
- dsplinoff_val = dev_priv->saveDSPBLINOFF;
- dsptileoff_val = dev_priv->saveDSPBTILEOFF;
- dspsize_val = dev_priv->saveDSPBSIZE;
- dsppos_val = dev_priv->saveDSPBPOS;
- dspsurf_val = dev_priv->saveDSPBSURF;
- dspcntr_val = dev_priv->saveDSPBCNTR;
- dspstatus_val = dev_priv->saveDSPBSTATUS;
- palette_val = dev_priv->save_palette_b;
- break;
- case 2:
- reg_offset = MIPIC_REG_OFFSET;
-
- /* register */
- pipeconf_reg = PIPECCONF;
- htot_reg = HTOTAL_C;
- hblank_reg = HBLANK_C;
- hsync_reg = HSYNC_C;
- vtot_reg = VTOTAL_C;
- vblank_reg = VBLANK_C;
- vsync_reg = VSYNC_C;
- pipesrc_reg = PIPECSRC;
- dspstride_reg = DSPCSTRIDE;
- dsplinoff_reg = DSPCLINOFF;
- dsptileoff_reg = DSPCTILEOFF;
- dspsize_reg = DSPCSIZE;
- dsppos_reg = DSPCPOS;
- dspsurf_reg = DSPCSURF;
- mipi_reg = MIPI_C;
- dspcntr_reg = DSPCCNTR;
- palette_reg = PALETTE_C;
- dspstatus_reg = PIPECSTAT;
-
- /* values */
- pipeconf_val = dev_priv->savePIPECCONF;
- htot_val = dev_priv->saveHTOTAL_C;
- hblank_val = dev_priv->saveHBLANK_C;
- hsync_val = dev_priv->saveHSYNC_C;
- vtot_val = dev_priv->saveVTOTAL_C;
- vblank_val = dev_priv->saveVBLANK_C;
- vsync_val = dev_priv->saveVSYNC_C;
- pipesrc_val = dev_priv->savePIPECSRC;
- dspstride_val = dev_priv->saveDSPCSTRIDE;
- dsplinoff_val = dev_priv->saveDSPCLINOFF;
- dsptileoff_val = dev_priv->saveDSPCTILEOFF;
- dspsize_val = dev_priv->saveDSPCSIZE;
- dsppos_val = dev_priv->saveDSPCPOS;
- dspsurf_val = dev_priv->saveDSPCSURF;
- dspstatus_val = dev_priv->saveDSPCSTATUS;
- mipi_val = dev_priv->saveMIPI_C;
- dspcntr_val = dev_priv->saveDSPCCNTR;
- palette_val = dev_priv->save_palette_c;
-
- dsi_config = dev_priv->dsi_configs[1];
- break;
- default:
- DRM_ERROR("%s, invalid pipe number.\n", __func__);
- return -EINVAL;
- }
-
- /* Make sure VGA plane is off. it initializes to on after reset!*/
- PSB_WVDC32(0x80000000, VGACNTRL);
- if (pipe == 1) {
- PSB_WVDC32(dpll_val & ~DPLL_VCO_ENABLE, dpll_reg);
- PSB_RVDC32(dpll_reg);
-
- PSB_WVDC32(fp_val, fp_reg);
- } else {
- dpll = PSB_RVDC32(dpll_reg);
-
- if (!(dpll & DPLL_VCO_ENABLE)) {
-
- /* When ungating power of DPLL, needs to wait 0.5us before enable the VCO */
- if (dpll & MDFLD_PWR_GATE_EN) {
- dpll &= ~MDFLD_PWR_GATE_EN;
- PSB_WVDC32(dpll, dpll_reg);
- udelay(500); /* FIXME: 1 ? */
- }
-
- PSB_WVDC32(fp_val, fp_reg);
- PSB_WVDC32(dpll_val, dpll_reg);
- /* FIXME_MDFLD PO - change 500 to 1 after PO */
- udelay(500);
-
- dpll_val |= DPLL_VCO_ENABLE;
- PSB_WVDC32(dpll_val, dpll_reg);
- PSB_RVDC32(dpll_reg);
-
- /* wait for DSI PLL to lock */
- while ((timeout < 20000) && !(PSB_RVDC32(pipeconf_reg) & PIPECONF_DSIPLL_LOCK)) {
- udelay(150);
- timeout++;
- }
-
- if (timeout == 20000) {
- DRM_ERROR("%s, can't lock DSIPLL.\n",
- __func__);
- return -EINVAL;
- }
- }
- }
- /* Restore mode */
- PSB_WVDC32(htot_val, htot_reg);
- PSB_WVDC32(hblank_val, hblank_reg);
- PSB_WVDC32(hsync_val, hsync_reg);
- PSB_WVDC32(vtot_val, vtot_reg);
- PSB_WVDC32(vblank_val, vblank_reg);
- PSB_WVDC32(vsync_val, vsync_reg);
- PSB_WVDC32(pipesrc_val, pipesrc_reg);
- PSB_WVDC32(dspstatus_val, dspstatus_reg);
-
- /* Set up the plane */
- PSB_WVDC32(dspstride_val, dspstride_reg);
- PSB_WVDC32(dsplinoff_val, dsplinoff_reg);
- PSB_WVDC32(dsptileoff_val, dsptileoff_reg);
- PSB_WVDC32(dspsize_val, dspsize_reg);
- PSB_WVDC32(dsppos_val, dsppos_reg);
- PSB_WVDC32(dspsurf_val, dspsurf_reg);
-
- if (pipe == 1) {
- PSB_WVDC32(dev_priv->savePFIT_CONTROL, PFIT_CONTROL);
- PSB_WVDC32(dev_priv->savePFIT_PGM_RATIOS, PFIT_PGM_RATIOS);
- PSB_WVDC32(dev_priv->saveHDMIPHYMISCCTL, HDMIPHYMISCCTL);
- PSB_WVDC32(dev_priv->saveHDMIB_CONTROL, HDMIB_CONTROL);
-
- } else {
- /* Set up pipe related registers */
- PSB_WVDC32(mipi_val, mipi_reg);
- /* Setup MIPI adapter + MIPI IP registers */
- mdfld_dsi_controller_init(dsi_config, pipe);
- msleep(20);
- }
- /* Enable the plane */
- PSB_WVDC32(dspcntr_val, dspcntr_reg);
- msleep(20);
- /* Enable the pipe */
- PSB_WVDC32(pipeconf_val, pipeconf_reg);
-
- for (i = 0; i < 256; i++)
- PSB_WVDC32(palette_val[i], palette_reg + (i<<2));
- if (pipe == 1)
- return 0;
- if (IS_MFLD(dev) && !mdfld_panel_dpi(dev))
- mdfld_enable_te(dev, pipe);
- return 0;
-}
-
-/**
- * mdfld_restore_cursor_overlay_registers - restore cursor
- * @dev: our device
- *
- * Restore the cursor and overlay state that was saved earlier
- */
-static int mdfld_restore_cursor_overlay_registers(struct drm_device *dev)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
-
- /* Enable Cursor A */
- PSB_WVDC32(dev_priv->saveDSPACURSOR_CTRL, CURACNTR);
- PSB_WVDC32(dev_priv->saveDSPACURSOR_POS, CURAPOS);
- PSB_WVDC32(dev_priv->saveDSPACURSOR_BASE, CURABASE);
-
- PSB_WVDC32(dev_priv->saveDSPBCURSOR_CTRL, CURBCNTR);
- PSB_WVDC32(dev_priv->saveDSPBCURSOR_POS, CURBPOS);
- PSB_WVDC32(dev_priv->saveDSPBCURSOR_BASE, CURBBASE);
-
- PSB_WVDC32(dev_priv->saveDSPCCURSOR_CTRL, CURCCNTR);
- PSB_WVDC32(dev_priv->saveDSPCCURSOR_POS, CURCPOS);
- PSB_WVDC32(dev_priv->saveDSPCCURSOR_BASE, CURCBASE);
-
- /* Restore HW overlay */
- PSB_WVDC32(dev_priv->saveOV_OVADD, OV_OVADD);
- PSB_WVDC32(dev_priv->saveOV_OGAMC0, OV_OGAMC0);
- PSB_WVDC32(dev_priv->saveOV_OGAMC1, OV_OGAMC1);
- PSB_WVDC32(dev_priv->saveOV_OGAMC2, OV_OGAMC2);
- PSB_WVDC32(dev_priv->saveOV_OGAMC3, OV_OGAMC3);
- PSB_WVDC32(dev_priv->saveOV_OGAMC4, OV_OGAMC4);
- PSB_WVDC32(dev_priv->saveOV_OGAMC5, OV_OGAMC5);
-
- PSB_WVDC32(dev_priv->saveOV_OVADD_C, OV_OVADD + OV_C_OFFSET);
- PSB_WVDC32(dev_priv->saveOV_OGAMC0_C, OV_OGAMC0 + OV_C_OFFSET);
- PSB_WVDC32(dev_priv->saveOV_OGAMC1_C, OV_OGAMC1 + OV_C_OFFSET);
- PSB_WVDC32(dev_priv->saveOV_OGAMC2_C, OV_OGAMC2 + OV_C_OFFSET);
- PSB_WVDC32(dev_priv->saveOV_OGAMC3_C, OV_OGAMC3 + OV_C_OFFSET);
- PSB_WVDC32(dev_priv->saveOV_OGAMC4_C, OV_OGAMC4 + OV_C_OFFSET);
- PSB_WVDC32(dev_priv->saveOV_OGAMC5_C, OV_OGAMC5 + OV_C_OFFSET);
-
- return 0;
-}
-
-/**
- * power_down - power down the display island
- * @dev: our DRM device
- *
- * Power down the display interface of our device
- */
-static void power_down(struct drm_device *dev)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
- u32 pwr_mask ;
- u32 pwr_sts;
-
- if (IS_MRST(dev)) {
- pwr_mask = PSB_PWRGT_DISPLAY_MASK;
- outl(pwr_mask, dev_priv->ospm_base + PSB_PM_SSC);
-
- while (true) {
- pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS);
- if ((pwr_sts & pwr_mask) == pwr_mask)
- break;
- else
- udelay(10);
- }
- dev_priv->display_power = false;
- }
-}
-
-
-/**
- * gma_suspend_display - suspend the display logic
- * @dev: our DRM device
- *
- * Suspend the display logic of the graphics interface
- *
- * FIXME: This ought to be replaced by a dev_priv-> ops interface
- * where the various platforms register their save/restore methods
- * and keep them in their own support files.
- */
-static void gma_suspend_display(struct drm_device *dev)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
- int pp_stat;
-
- if (dev_priv->suspended)
- return;
-
- if (IS_MFLD(dev)) {
- /* FIXME: We need to shut down panels here if using them
- and once the right bits are merged */
- mdfld_save_cursor_overlay_registers(dev);
- mdfld_save_display_registers(dev, 0);
- mdfld_save_display_registers(dev, 0);
- mdfld_save_display_registers(dev, 2);
- mdfld_save_display_registers(dev, 1);
- mdfld_disable_crtc(dev, 0);
- mdfld_disable_crtc(dev, 2);
- mdfld_disable_crtc(dev, 1);
- } else {
- save_display_registers(dev);
-
- if (dev_priv->iLVDS_enable) {
- /*shutdown the panel*/
- PSB_WVDC32(0, PP_CONTROL);
-
- do {
- pp_stat = PSB_RVDC32(PP_STATUS);
- } while (pp_stat & 0x80000000);
-
- /* Turn off the plane */
- PSB_WVDC32(0x58000000, DSPACNTR);
- PSB_WVDC32(0, DSPASURF);/*trigger the plane disable*/
- /* Wait ~4 ticks */
- msleep(4);
-
- /* Turn off pipe */
- PSB_WVDC32(0x0, PIPEACONF);
- /* Wait ~8 ticks */
- msleep(8);
-
- /* Turn off PLLs */
- PSB_WVDC32(0, MRST_DPLL_A);
- } else {
- PSB_WVDC32(DPI_SHUT_DOWN, DPI_CONTROL_REG);
- PSB_WVDC32(0x0, PIPEACONF);
- PSB_WVDC32(0x2faf0000, BLC_PWM_CTL);
- while (REG_READ(0x70008) & 0x40000000)
- cpu_relax();
- while ((PSB_RVDC32(GEN_FIFO_STAT_REG) & DPI_FIFO_EMPTY)
- != DPI_FIFO_EMPTY)
- cpu_relax();
- PSB_WVDC32(0, DEVICE_READY_REG);
- /* Turn off panel power */
-#ifdef CONFIG_X86_MRST
- intel_scu_ipc_simple_command(IPC_MSG_PANEL_ON_OFF,
- IPC_CMD_PANEL_OFF);
-#endif
- }
- }
- power_down(dev);
-}
-
-/*
- * power_up
- *
- * Description: Restore power to the specified island(s) (powergating)
- */
-static void power_up(struct drm_device *dev)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
- u32 pwr_mask = PSB_PWRGT_DISPLAY_MASK;
- u32 pwr_sts, pwr_cnt;
-
- if (IS_MRST(dev)) {
- pwr_cnt = inl(dev_priv->ospm_base + PSB_PM_SSC);
- pwr_cnt &= ~pwr_mask;
- outl(pwr_cnt, (dev_priv->ospm_base + PSB_PM_SSC));
-
- while (true) {
- pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS);
- if ((pwr_sts & pwr_mask) == 0)
- break;
- else
- udelay(10);
- }
- }
- dev_priv->suspended = false;
- dev_priv->display_power = true;
-}
-
-/**
- * gma_resume_display - resume display side logic
- *
- * Resume the display hardware restoring state and enabling
- * as necessary.
- */
-static void gma_resume_display(struct pci_dev *pdev)
-{
- struct drm_device *dev = pci_get_drvdata(pdev);
- struct drm_psb_private *dev_priv = dev->dev_private;
-
- if (dev_priv->suspended == false)
- return;
-
- /* turn on the display power island */
- power_up(dev);
-
- PSB_WVDC32(dev_priv->pge_ctl | _PSB_PGETBL_ENABLED, PSB_PGETBL_CTL);
- pci_write_config_word(pdev, PSB_GMCH_CTRL,
- dev_priv->gmch_ctrl | _PSB_GMCH_ENABLED);
-
- /* Don't reinitialize the GTT as it is unnecessary. The gtt is
- * stored in memory so it will automatically be restored. All
- * we need to do is restore the PGETBL_CTL which we already do
- * above.
- */
- /*psb_gtt_init(dev_priv->pg, 1);*/
- if (IS_MFLD(dev)) {
- mdfld_restore_display_registers(dev, 1);
- mdfld_restore_display_registers(dev, 0);
- mdfld_restore_display_registers(dev, 2);
- mdfld_restore_cursor_overlay_registers(dev);
- } else if (IS_MRST(dev)) {
- if (!dev_priv->iLVDS_enable) {
-#ifdef CONFIG_X86_MRST
- intel_scu_ipc_simple_command(IPC_MSG_PANEL_ON_OFF,
- IPC_CMD_PANEL_ON);
- /* FIXME: can we avoid this delay ? */
- msleep(2000); /* wait 2 seconds */
-#endif
- }
- }
- restore_display_registers(dev);
-}
-
-/**
- * gma_suspend_pci - suspend PCI side
- * @pdev: PCI device
- *
- * Perform the suspend processing on our PCI device state
- */
-static void gma_suspend_pci(struct pci_dev *pdev)
-{
- struct drm_device *dev = pci_get_drvdata(pdev);
- struct drm_psb_private *dev_priv = dev->dev_private;
- int bsm, vbt;
-
- if (dev_priv->suspended)
- return;
-
- pci_save_state(pdev);
- pci_read_config_dword(pdev, 0x5C, &bsm);
- dev_priv->saveBSM = bsm;
- pci_read_config_dword(pdev, 0xFC, &vbt);
- dev_priv->saveVBT = vbt;
- pci_read_config_dword(pdev, PSB_PCIx_MSI_ADDR_LOC, &dev_priv->msi_addr);
- pci_read_config_dword(pdev, PSB_PCIx_MSI_DATA_LOC, &dev_priv->msi_data);
-
- pci_disable_device(pdev);
- pci_set_power_state(pdev, PCI_D3hot);
-
- dev_priv->suspended = true;
-}
-
-/**
- * gma_resume_pci - resume helper
- * @dev: our PCI device
- *
- * Perform the resume processing on our PCI device state - rewrite
- * register state and re-enable the PCI device
- */
-static bool gma_resume_pci(struct pci_dev *pdev)
-{
- struct drm_device *dev = pci_get_drvdata(pdev);
- struct drm_psb_private *dev_priv = dev->dev_private;
- int ret;
-
- if (!dev_priv->suspended)
- return true;
-
- pci_set_power_state(pdev, PCI_D0);
- pci_restore_state(pdev);
- pci_write_config_dword(pdev, 0x5c, dev_priv->saveBSM);
- pci_write_config_dword(pdev, 0xFC, dev_priv->saveVBT);
- /* retoring MSI address and data in PCIx space */
- pci_write_config_dword(pdev, PSB_PCIx_MSI_ADDR_LOC, dev_priv->msi_addr);
- pci_write_config_dword(pdev, PSB_PCIx_MSI_DATA_LOC, dev_priv->msi_data);
- ret = pci_enable_device(pdev);
-
- if (ret != 0)
- dev_err(&pdev->dev, "pci_enable failed: %d\n", ret);
- else
- dev_priv->suspended = false;
- return !dev_priv->suspended;
-}
-
-/**
- * gma_power_suspend - bus callback for suspend
- * @pdev: our PCI device
- * @state: suspend type
- *
- * Called back by the PCI layer during a suspend of the system. We
- * perform the necessary shut down steps and save enough state that
- * we can undo this when resume is called.
- */
-int gma_power_suspend(struct pci_dev *pdev, pm_message_t state)
-{
- struct drm_device *dev = pci_get_drvdata(pdev);
- struct drm_psb_private *dev_priv = dev->dev_private;
-
- mutex_lock(&power_mutex);
- if (!dev_priv->suspended) {
- if (dev_priv->display_count) {
- mutex_unlock(&power_mutex);
- return -EBUSY;
- }
- psb_irq_uninstall(dev);
- gma_suspend_display(dev);
- gma_suspend_pci(pdev);
- }
- mutex_unlock(&power_mutex);
- return 0;
-}
-
-
-/**
- * gma_power_resume - resume power
- * @pdev: PCI device
- *
- * Resume the PCI side of the graphics and then the displays
- */
-int gma_power_resume(struct pci_dev *pdev)
-{
- struct drm_device *dev = pci_get_drvdata(pdev);
-
- mutex_lock(&power_mutex);
- gma_resume_pci(pdev);
- gma_resume_display(pdev);
- psb_irq_preinstall(dev);
- psb_irq_postinstall(dev);
- mutex_unlock(&power_mutex);
- return 0;
-}
-
-
-
-/**
- * gma_power_is_on - returne true if power is on
- * @dev: our DRM device
- *
- * Returns true if the display island power is on at this moment
- */
-bool gma_power_is_on(struct drm_device *dev)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
- return dev_priv->display_power;
-}
-
-
-/**
- * gma_power_begin - begin requiring power
- * @dev: our DRM device
- * @force_on: true to force power on
- *
- * Begin an action that requires the display power island is enabled.
- * We refcount the islands.
- *
- * FIXME: locking
- */
-bool gma_power_begin(struct drm_device *dev, bool force_on)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
- int ret;
-
- /* Power already on ? */
- if (dev_priv->display_power) {
- dev_priv->display_count++;
- pm_runtime_get(&dev->pdev->dev);
- return true;
- }
- if (force_on == false)
- return false;
-
- /* Ok power up needed */
- ret = gma_resume_pci(dev->pdev);
- if (ret == 0) {
- psb_irq_preinstall(dev);
- psb_irq_postinstall(dev);
- pm_runtime_get(&dev->pdev->dev);
- dev_priv->display_count++;
- return true;
- }
- return false;
-}
-
-
-/**
- * gma_power_end - end use of power
- * @dev: Our DRM device
- *
- * Indicate that one of our gma_power_begin() requested periods when
- * the diplay island power is needed has completed.
- */
-void gma_power_end(struct drm_device *dev)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
- dev_priv->display_count--;
- WARN_ON(dev_priv->display_count < 0);
- pm_runtime_put(&dev->pdev->dev);
-}
-
-int psb_runtime_suspend(struct device *dev)
-{
- static pm_message_t dummy;
- return gma_power_suspend(to_pci_dev(dev), dummy);
-}
-
-int psb_runtime_resume(struct device *dev)
-{
- return 0;
-}
-
-int psb_runtime_idle(struct device *dev)
-{
- struct drm_device *drmdev = pci_get_drvdata(to_pci_dev(dev));
- struct drm_psb_private *dev_priv = drmdev->dev_private;
- if (dev_priv->display_count)
- return 0;
- else
- return 1;
-}
-