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 \
/**************************************************************************
- * Copyright (c) 2009-2011, Intel Corporation.
+ * Copyright (c) 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:
+ * 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.
*
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
+ * 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.
*
- * 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.
+ * 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.
*
- * 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 <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"
-#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
+/*
+ * Provide the Medfield specific chip logic and low level methods
*/
-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)
+static void mdfld_init_pm(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;
+ /* No work needed here yet */
}
/**
}
/**
- * power_down - power down the display island
+ * mdfld_save_display_registers - save registers lost on suspend
* @dev: our DRM device
*
- * Power down the display interface of our device
+ * Save the state we need in order to be able to restore the interface
+ * upon resume from suspend
*/
-static void power_down(struct drm_device *dev)
+static int mdfld_save_registers(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;
- }
+ /* 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;
}
-
/**
- * gma_suspend_display - suspend the display logic
+ * mdfld_restore_display_registers - restore lost register state
* @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.
+ * Restore register state that was lost during suspend and resume.
*/
-int gma_power_suspend(struct pci_dev *pdev, pm_message_t state)
+static int mdfld_restore_registers(struct drm_device *dev)
{
- 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);
+ 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;
}
-
-/**
- * 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)
+static int mdfld_power_down(struct drm_device *dev)
{
- 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);
+ /* FIXME */
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)
+static int mdfld_power_up(struct drm_device *dev)
{
+ /* FIXME */
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;
-}
+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) {