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342e4c7e2d
1. Retrieve extended operational memory physical pointers from the auxiliary device info. 2. Setup memory registers. 3. Notify firmware that the memory is ready by sending the memory ready command. 4. Disable PXP device if GSC is not in PXP mode. CC: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220907215113.1596567-12-tomas.winkler@intel.com Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
31 lines
929 B
C
31 lines
929 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2022, Intel Corporation. All rights reserved.
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*/
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#ifndef _LINUX_MEI_AUX_H
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#define _LINUX_MEI_AUX_H
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#include <linux/auxiliary_bus.h>
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/**
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* struct mei_aux_device - mei auxiliary device
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* @aux_dev: - auxiliary device object
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* @irq: interrupt driving the mei auxiliary device
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* @bar: mmio resource bar reserved to mei auxiliary device
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* @ext_op_mem: resource for extend operational memory
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* used in graphics PXP mode.
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* @slow_firmware: The device has slow underlying firmware.
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* Such firmware will require to use larger operation timeouts.
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*/
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struct mei_aux_device {
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struct auxiliary_device aux_dev;
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int irq;
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struct resource bar;
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struct resource ext_op_mem;
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bool slow_firmware;
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};
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#define auxiliary_dev_to_mei_aux_dev(auxiliary_dev) \
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container_of(auxiliary_dev, struct mei_aux_device, aux_dev)
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#endif /* _LINUX_MEI_AUX_H */
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