0897d6fc48
Add Shared EE property check for spi to support dual EE use case. Have the prepare_message/unprepare_message API support for spi for Dual EE use case so that client can have control for spi driver get_sync, put_sync by calling the APIs pm_runtime_get_sync and pm_runtime_put_sync_suspend and use them when switching to other EEs. This will allow client driver to remove the delay/wait time while switching between the secure and non-secure EEs. Change-Id: I465bc4b9036b3b9701a876825412b55b4d4134c7 Signed-off-by: Prudhvi Yarlagadda <pyarlaga@codeaurora.org>
62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* Copyright (c) 2014-2018, 2020, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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/*
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* SPI driver for Qualcomm Technologies, Inc. MSM platforms.
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*/
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/**
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* msm_spi_platform_data: msm spi-controller's configuration data
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*
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* @max_clock_speed max spi clock speed
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* @active_only when set, votes when system active and removes the vote when
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* system goes idle (optimises for performance). When unset, voting using
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* runtime pm (optimizes for power).
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* @master_id master id number of the controller's wrapper (BLSP or GSBI).
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* When zero, clock path voting is disabled.
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* @gpio_config pointer to function for configuring gpio
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* @gpio_release pointer to function for releasing gpio pins
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* @dma_config function poniter for configuring dma engine
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* @pm_lat power management latency
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* @infinite_mode use FIFO mode in infinite mode
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* @ver_reg_exists if the version register exists
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* @use_beam true if BAM is available
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* @bam_consumer_pipe_index BAM conusmer pipe
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* @bam_producer_pipe_index BAM producer pipe
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* @rt_priority true if RT thread
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* @use_pinctrl true if pinctrl library is used
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* @is_shared true when qup is shared between ee's and client driver is not
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in control of spi pm_runtime_get_sync/put_sync.
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* @shared_ee true when qup is shared between ee's and client driver is in
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control of spi pm_runtime_get_sync/put_sync.
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*/
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struct msm_spi_platform_data {
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u32 max_clock_speed;
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u32 master_id;
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u32 bus_width;
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int (*gpio_config)(void);
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void (*gpio_release)(void);
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int (*dma_config)(void);
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const char *rsl_id;
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u32 pm_lat;
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u32 infinite_mode;
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bool ver_reg_exists;
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bool use_bam;
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u32 bam_consumer_pipe_index;
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u32 bam_producer_pipe_index;
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bool rt_priority;
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bool use_pinctrl;
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bool is_shared;
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bool shared_ee;
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};
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