2018-01-17 16:36:44 +00:00
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// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
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2016-10-26 16:20:28 +00:00
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/*
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* Copyright 2013-2016 Freescale Semiconductor Inc.
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2020-09-29 08:54:33 +00:00
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* Copyright 2020 NXP
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2016-09-30 14:01:21 +00:00
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*
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*/
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2017-06-27 14:41:32 +00:00
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#include <linux/kernel.h>
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2018-02-05 14:07:42 +00:00
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#include <linux/fsl/mc.h>
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2018-01-16 13:19:04 +00:00
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#include "fsl-mc-private.h"
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2015-03-06 01:29:09 +00:00
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2020-09-29 08:54:33 +00:00
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/*
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* cache the DPRC version to reduce the number of commands
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* towards the mc firmware
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*/
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static u16 dprc_major_ver;
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static u16 dprc_minor_ver;
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2015-09-24 19:26:54 +00:00
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/**
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* dprc_open() - Open DPRC object for use
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @container_id: Container ID to open
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* @token: Returned token of DPRC object
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*
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* Return: '0' on Success; Error code otherwise.
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*
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* @warning Required before any operation on the object.
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*/
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2015-09-23 21:11:03 +00:00
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int dprc_open(struct fsl_mc_io *mc_io,
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2015-09-25 16:21:01 +00:00
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u32 cmd_flags,
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2015-09-23 21:11:03 +00:00
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int container_id,
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2015-09-25 16:21:01 +00:00
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u16 *token)
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2015-03-06 01:29:09 +00:00
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{
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2018-03-15 17:05:31 +00:00
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struct fsl_mc_command cmd = { 0 };
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2016-06-22 21:40:52 +00:00
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struct dprc_cmd_open *cmd_params;
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2015-03-06 01:29:09 +00:00
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int err;
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/* prepare command */
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2015-09-23 21:11:03 +00:00
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cmd.header = mc_encode_cmd_header(DPRC_CMDID_OPEN, cmd_flags,
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2015-03-06 01:29:09 +00:00
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0);
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2016-06-22 21:40:52 +00:00
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cmd_params = (struct dprc_cmd_open *)cmd.params;
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cmd_params->container_id = cpu_to_le32(container_id);
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2015-03-06 01:29:09 +00:00
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/* send command to mc*/
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err = mc_send_command(mc_io, &cmd);
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if (err)
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return err;
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/* retrieve response parameters */
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2016-06-22 21:40:52 +00:00
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*token = mc_cmd_hdr_read_token(&cmd);
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2015-03-06 01:29:09 +00:00
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return 0;
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}
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2017-11-17 13:38:29 +00:00
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EXPORT_SYMBOL_GPL(dprc_open);
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2015-03-06 01:29:09 +00:00
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2015-09-24 19:26:54 +00:00
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/**
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* dprc_close() - Close the control session of the object
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPRC object
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*
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* After this function is called, no further operations are
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* allowed on the object without opening a new control session.
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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2015-09-23 21:11:03 +00:00
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int dprc_close(struct fsl_mc_io *mc_io,
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2015-09-25 16:21:01 +00:00
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u32 cmd_flags,
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u16 token)
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2015-03-06 01:29:09 +00:00
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{
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2018-03-15 17:05:31 +00:00
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struct fsl_mc_command cmd = { 0 };
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2015-03-06 01:29:09 +00:00
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/* prepare command */
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2015-09-23 21:11:03 +00:00
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cmd.header = mc_encode_cmd_header(DPRC_CMDID_CLOSE, cmd_flags,
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2015-03-06 01:29:09 +00:00
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token);
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/* send command to mc*/
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return mc_send_command(mc_io, &cmd);
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}
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2017-11-17 13:38:29 +00:00
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EXPORT_SYMBOL_GPL(dprc_close);
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2015-03-06 01:29:09 +00:00
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2020-09-29 08:54:34 +00:00
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/**
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* dprc_reset_container - Reset child container.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPRC object
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* @child_container_id: ID of the container to reset
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* @options: 32 bit options:
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* - 0 (no bits set) - all the objects inside the container are
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* reset. The child containers are entered recursively and the
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* objects reset. All the objects (including the child containers)
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* are closed.
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* - bit 0 set - all the objects inside the container are reset.
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* However the child containers are not entered recursively.
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* This option is supported for API versions >= 6.5
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* In case a software context crashes or becomes non-responsive, the parent
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* may wish to reset its resources container before the software context is
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* restarted.
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*
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* This routine informs all objects assigned to the child container that the
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* container is being reset, so they may perform any cleanup operations that are
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* needed. All objects handles that were owned by the child container shall be
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* closed.
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*
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* Note that such request may be submitted even if the child software context
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* has not crashed, but the resulting object cleanup operations will not be
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* aware of that.
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dprc_reset_container(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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int child_container_id,
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u32 options)
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{
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struct fsl_mc_command cmd = { 0 };
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struct dprc_cmd_reset_container *cmd_params;
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u32 cmdid = DPRC_CMDID_RESET_CONT;
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int err;
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/*
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* If the DPRC object version was not yet cached, cache it now.
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* Otherwise use the already cached value.
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*/
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if (!dprc_major_ver && !dprc_minor_ver) {
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err = dprc_get_api_version(mc_io, 0,
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&dprc_major_ver,
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&dprc_minor_ver);
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if (err)
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return err;
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}
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/*
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* MC API 6.5 introduced a new field in the command used to pass
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* some flags.
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* Bit 0 indicates that the child containers are not recursively reset.
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*/
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if (dprc_major_ver > 6 || (dprc_major_ver == 6 && dprc_minor_ver >= 5))
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cmdid = DPRC_CMDID_RESET_CONT_V2;
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/* prepare command */
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cmd.header = mc_encode_cmd_header(cmdid, cmd_flags, token);
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cmd_params = (struct dprc_cmd_reset_container *)cmd.params;
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cmd_params->child_container_id = cpu_to_le32(child_container_id);
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cmd_params->options = cpu_to_le32(options);
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/* send command to mc*/
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return mc_send_command(mc_io, &cmd);
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}
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EXPORT_SYMBOL_GPL(dprc_reset_container);
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2015-09-24 19:26:54 +00:00
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/**
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* dprc_set_irq() - Set IRQ information for the DPRC to trigger an interrupt.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPRC object
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* @irq_index: Identifies the interrupt index to configure
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* @irq_cfg: IRQ configuration
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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2015-03-06 01:29:09 +00:00
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int dprc_set_irq(struct fsl_mc_io *mc_io,
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2015-09-25 16:21:01 +00:00
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u32 cmd_flags,
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u16 token,
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u8 irq_index,
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2015-09-23 21:11:03 +00:00
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struct dprc_irq_cfg *irq_cfg)
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2015-03-06 01:29:09 +00:00
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{
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2018-03-15 17:05:31 +00:00
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struct fsl_mc_command cmd = { 0 };
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2016-06-22 21:40:52 +00:00
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struct dprc_cmd_set_irq *cmd_params;
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2015-03-06 01:29:09 +00:00
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_IRQ,
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2015-09-23 21:11:03 +00:00
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cmd_flags,
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2015-03-06 01:29:09 +00:00
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token);
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2016-06-22 21:40:52 +00:00
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cmd_params = (struct dprc_cmd_set_irq *)cmd.params;
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cmd_params->irq_val = cpu_to_le32(irq_cfg->val);
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cmd_params->irq_index = irq_index;
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cmd_params->irq_addr = cpu_to_le64(irq_cfg->paddr);
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cmd_params->irq_num = cpu_to_le32(irq_cfg->irq_num);
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2015-03-06 01:29:09 +00:00
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/* send command to mc*/
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return mc_send_command(mc_io, &cmd);
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}
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2015-09-24 19:26:54 +00:00
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/**
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* dprc_set_irq_enable() - Set overall interrupt state.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPRC object
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* @irq_index: The interrupt index to configure
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* @en: Interrupt state - enable = 1, disable = 0
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*
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* Allows GPP software to control when interrupts are generated.
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* Each interrupt can have up to 32 causes. The enable/disable control's the
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* overall interrupt state. if the interrupt is disabled no causes will cause
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* an interrupt.
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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2015-03-06 01:29:09 +00:00
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int dprc_set_irq_enable(struct fsl_mc_io *mc_io,
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2015-09-25 16:21:01 +00:00
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u32 cmd_flags,
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u16 token,
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u8 irq_index,
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u8 en)
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2015-03-06 01:29:09 +00:00
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{
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2018-03-15 17:05:31 +00:00
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struct fsl_mc_command cmd = { 0 };
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2016-06-22 21:40:52 +00:00
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struct dprc_cmd_set_irq_enable *cmd_params;
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2015-03-06 01:29:09 +00:00
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_IRQ_ENABLE,
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2015-09-23 21:11:03 +00:00
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cmd_flags, token);
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2016-06-22 21:40:52 +00:00
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cmd_params = (struct dprc_cmd_set_irq_enable *)cmd.params;
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cmd_params->enable = en & DPRC_ENABLE;
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cmd_params->irq_index = irq_index;
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2015-03-06 01:29:09 +00:00
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/* send command to mc*/
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return mc_send_command(mc_io, &cmd);
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}
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2015-09-24 19:26:54 +00:00
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/**
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* dprc_set_irq_mask() - Set interrupt mask.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPRC object
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* @irq_index: The interrupt index to configure
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* @mask: event mask to trigger interrupt;
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* each bit:
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* 0 = ignore event
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* 1 = consider event for asserting irq
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*
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* Every interrupt can have up to 32 causes and the interrupt model supports
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* masking/unmasking each cause independently
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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2015-03-06 01:29:09 +00:00
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int dprc_set_irq_mask(struct fsl_mc_io *mc_io,
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2015-09-25 16:21:01 +00:00
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u32 cmd_flags,
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u16 token,
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u8 irq_index,
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u32 mask)
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2015-03-06 01:29:09 +00:00
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{
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2018-03-15 17:05:31 +00:00
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struct fsl_mc_command cmd = { 0 };
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2016-06-22 21:40:52 +00:00
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struct dprc_cmd_set_irq_mask *cmd_params;
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2015-03-06 01:29:09 +00:00
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_IRQ_MASK,
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2015-09-23 21:11:03 +00:00
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cmd_flags, token);
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2016-06-22 21:40:52 +00:00
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cmd_params = (struct dprc_cmd_set_irq_mask *)cmd.params;
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cmd_params->mask = cpu_to_le32(mask);
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cmd_params->irq_index = irq_index;
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2015-03-06 01:29:09 +00:00
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/* send command to mc*/
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return mc_send_command(mc_io, &cmd);
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}
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2015-09-24 19:26:54 +00:00
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/**
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* dprc_get_irq_status() - Get the current status of any pending interrupts.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPRC object
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* @irq_index: The interrupt index to configure
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* @status: Returned interrupts status - one bit per cause:
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* 0 = no interrupt pending
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* 1 = interrupt pending
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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2015-03-06 01:29:09 +00:00
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int dprc_get_irq_status(struct fsl_mc_io *mc_io,
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2015-09-25 16:21:01 +00:00
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u32 cmd_flags,
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u16 token,
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u8 irq_index,
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u32 *status)
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2015-03-06 01:29:09 +00:00
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{
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2018-03-15 17:05:31 +00:00
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struct fsl_mc_command cmd = { 0 };
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2016-06-22 21:40:52 +00:00
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struct dprc_cmd_get_irq_status *cmd_params;
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struct dprc_rsp_get_irq_status *rsp_params;
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2015-03-06 01:29:09 +00:00
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int err;
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ_STATUS,
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2015-09-23 21:11:03 +00:00
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cmd_flags, token);
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2016-06-22 21:40:52 +00:00
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cmd_params = (struct dprc_cmd_get_irq_status *)cmd.params;
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cmd_params->status = cpu_to_le32(*status);
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cmd_params->irq_index = irq_index;
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2015-03-06 01:29:09 +00:00
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/* send command to mc*/
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err = mc_send_command(mc_io, &cmd);
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if (err)
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return err;
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/* retrieve response parameters */
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2016-06-22 21:40:52 +00:00
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rsp_params = (struct dprc_rsp_get_irq_status *)cmd.params;
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*status = le32_to_cpu(rsp_params->status);
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2015-03-06 01:29:09 +00:00
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return 0;
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}
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2015-09-24 19:26:54 +00:00
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/**
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* dprc_clear_irq_status() - Clear a pending interrupt's status
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|
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
|
|
* @token: Token of DPRC object
|
|
|
|
* @irq_index: The interrupt index to configure
|
|
|
|
* @status: bits to clear (W1C) - one bit per cause:
|
|
|
|
* 0 = don't change
|
|
|
|
* 1 = clear status bit
|
|
|
|
*
|
|
|
|
* Return: '0' on Success; Error code otherwise.
|
|
|
|
*/
|
2015-03-06 01:29:09 +00:00
|
|
|
int dprc_clear_irq_status(struct fsl_mc_io *mc_io,
|
2015-09-25 16:21:01 +00:00
|
|
|
u32 cmd_flags,
|
|
|
|
u16 token,
|
|
|
|
u8 irq_index,
|
|
|
|
u32 status)
|
2015-03-06 01:29:09 +00:00
|
|
|
{
|
2018-03-15 17:05:31 +00:00
|
|
|
struct fsl_mc_command cmd = { 0 };
|
2016-06-22 21:40:52 +00:00
|
|
|
struct dprc_cmd_clear_irq_status *cmd_params;
|
2015-03-06 01:29:09 +00:00
|
|
|
|
|
|
|
/* prepare command */
|
|
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_CLEAR_IRQ_STATUS,
|
2015-09-23 21:11:03 +00:00
|
|
|
cmd_flags, token);
|
2016-06-22 21:40:52 +00:00
|
|
|
cmd_params = (struct dprc_cmd_clear_irq_status *)cmd.params;
|
|
|
|
cmd_params->status = cpu_to_le32(status);
|
|
|
|
cmd_params->irq_index = irq_index;
|
2015-03-06 01:29:09 +00:00
|
|
|
|
|
|
|
/* send command to mc*/
|
|
|
|
return mc_send_command(mc_io, &cmd);
|
|
|
|
}
|
|
|
|
|
2015-09-24 19:26:54 +00:00
|
|
|
/**
|
|
|
|
* dprc_get_attributes() - Obtains container attributes
|
|
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
|
|
* @token: Token of DPRC object
|
|
|
|
* @attributes Returned container attributes
|
|
|
|
*
|
|
|
|
* Return: '0' on Success; Error code otherwise.
|
|
|
|
*/
|
2015-03-06 01:29:09 +00:00
|
|
|
int dprc_get_attributes(struct fsl_mc_io *mc_io,
|
2015-09-25 16:21:01 +00:00
|
|
|
u32 cmd_flags,
|
|
|
|
u16 token,
|
2015-03-06 01:29:09 +00:00
|
|
|
struct dprc_attributes *attr)
|
|
|
|
{
|
2018-03-15 17:05:31 +00:00
|
|
|
struct fsl_mc_command cmd = { 0 };
|
2016-06-22 21:40:52 +00:00
|
|
|
struct dprc_rsp_get_attributes *rsp_params;
|
2015-03-06 01:29:09 +00:00
|
|
|
int err;
|
|
|
|
|
|
|
|
/* prepare command */
|
|
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_ATTR,
|
2015-09-23 21:11:03 +00:00
|
|
|
cmd_flags,
|
2015-03-06 01:29:09 +00:00
|
|
|
token);
|
|
|
|
|
|
|
|
/* send command to mc*/
|
|
|
|
err = mc_send_command(mc_io, &cmd);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
|
|
|
|
/* retrieve response parameters */
|
2016-06-22 21:40:52 +00:00
|
|
|
rsp_params = (struct dprc_rsp_get_attributes *)cmd.params;
|
|
|
|
attr->container_id = le32_to_cpu(rsp_params->container_id);
|
2020-09-29 08:54:40 +00:00
|
|
|
attr->icid = le32_to_cpu(rsp_params->icid);
|
2016-06-22 21:40:52 +00:00
|
|
|
attr->options = le32_to_cpu(rsp_params->options);
|
|
|
|
attr->portal_id = le32_to_cpu(rsp_params->portal_id);
|
2015-03-06 01:29:09 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2015-09-24 19:26:54 +00:00
|
|
|
/**
|
|
|
|
* dprc_get_obj_count() - Obtains the number of objects in the DPRC
|
|
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
|
|
* @token: Token of DPRC object
|
|
|
|
* @obj_count: Number of objects assigned to the DPRC
|
|
|
|
*
|
|
|
|
* Return: '0' on Success; Error code otherwise.
|
|
|
|
*/
|
2015-09-23 21:11:03 +00:00
|
|
|
int dprc_get_obj_count(struct fsl_mc_io *mc_io,
|
2015-09-25 16:21:01 +00:00
|
|
|
u32 cmd_flags,
|
|
|
|
u16 token,
|
2015-09-23 21:11:03 +00:00
|
|
|
int *obj_count)
|
2015-03-06 01:29:09 +00:00
|
|
|
{
|
2018-03-15 17:05:31 +00:00
|
|
|
struct fsl_mc_command cmd = { 0 };
|
2016-06-22 21:40:52 +00:00
|
|
|
struct dprc_rsp_get_obj_count *rsp_params;
|
2015-03-06 01:29:09 +00:00
|
|
|
int err;
|
|
|
|
|
|
|
|
/* prepare command */
|
|
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_COUNT,
|
2015-09-23 21:11:03 +00:00
|
|
|
cmd_flags, token);
|
2015-03-06 01:29:09 +00:00
|
|
|
|
|
|
|
/* send command to mc*/
|
|
|
|
err = mc_send_command(mc_io, &cmd);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
|
|
|
|
/* retrieve response parameters */
|
2016-06-22 21:40:52 +00:00
|
|
|
rsp_params = (struct dprc_rsp_get_obj_count *)cmd.params;
|
|
|
|
*obj_count = le32_to_cpu(rsp_params->obj_count);
|
2015-03-06 01:29:09 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2017-11-17 13:38:29 +00:00
|
|
|
EXPORT_SYMBOL_GPL(dprc_get_obj_count);
|
2015-03-06 01:29:09 +00:00
|
|
|
|
2015-09-24 19:26:54 +00:00
|
|
|
/**
|
|
|
|
* dprc_get_obj() - Get general information on an object
|
|
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
|
|
* @token: Token of DPRC object
|
|
|
|
* @obj_index: Index of the object to be queried (< obj_count)
|
|
|
|
* @obj_desc: Returns the requested object descriptor
|
|
|
|
*
|
|
|
|
* The object descriptors are retrieved one by one by incrementing
|
|
|
|
* obj_index up to (not including) the value of obj_count returned
|
|
|
|
* from dprc_get_obj_count(). dprc_get_obj_count() must
|
|
|
|
* be called prior to dprc_get_obj().
|
|
|
|
*
|
|
|
|
* Return: '0' on Success; Error code otherwise.
|
|
|
|
*/
|
2015-03-06 01:29:09 +00:00
|
|
|
int dprc_get_obj(struct fsl_mc_io *mc_io,
|
2015-09-25 16:21:01 +00:00
|
|
|
u32 cmd_flags,
|
|
|
|
u16 token,
|
2015-03-06 01:29:09 +00:00
|
|
|
int obj_index,
|
2017-06-27 14:41:24 +00:00
|
|
|
struct fsl_mc_obj_desc *obj_desc)
|
2015-03-06 01:29:09 +00:00
|
|
|
{
|
2018-03-15 17:05:31 +00:00
|
|
|
struct fsl_mc_command cmd = { 0 };
|
2016-06-22 21:40:52 +00:00
|
|
|
struct dprc_cmd_get_obj *cmd_params;
|
|
|
|
struct dprc_rsp_get_obj *rsp_params;
|
2015-03-06 01:29:09 +00:00
|
|
|
int err;
|
|
|
|
|
|
|
|
/* prepare command */
|
|
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ,
|
2015-09-23 21:11:03 +00:00
|
|
|
cmd_flags,
|
2015-03-06 01:29:09 +00:00
|
|
|
token);
|
2016-06-22 21:40:52 +00:00
|
|
|
cmd_params = (struct dprc_cmd_get_obj *)cmd.params;
|
|
|
|
cmd_params->obj_index = cpu_to_le32(obj_index);
|
2015-03-06 01:29:09 +00:00
|
|
|
|
|
|
|
/* send command to mc*/
|
|
|
|
err = mc_send_command(mc_io, &cmd);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
|
|
|
|
/* retrieve response parameters */
|
2016-06-22 21:40:52 +00:00
|
|
|
rsp_params = (struct dprc_rsp_get_obj *)cmd.params;
|
|
|
|
obj_desc->id = le32_to_cpu(rsp_params->id);
|
|
|
|
obj_desc->vendor = le16_to_cpu(rsp_params->vendor);
|
|
|
|
obj_desc->irq_count = rsp_params->irq_count;
|
|
|
|
obj_desc->region_count = rsp_params->region_count;
|
|
|
|
obj_desc->state = le32_to_cpu(rsp_params->state);
|
|
|
|
obj_desc->ver_major = le16_to_cpu(rsp_params->version_major);
|
|
|
|
obj_desc->ver_minor = le16_to_cpu(rsp_params->version_minor);
|
|
|
|
obj_desc->flags = le16_to_cpu(rsp_params->flags);
|
|
|
|
strncpy(obj_desc->type, rsp_params->type, 16);
|
2015-03-06 01:29:09 +00:00
|
|
|
obj_desc->type[15] = '\0';
|
2016-06-22 21:40:52 +00:00
|
|
|
strncpy(obj_desc->label, rsp_params->label, 16);
|
2015-09-23 21:11:03 +00:00
|
|
|
obj_desc->label[15] = '\0';
|
2015-03-06 01:29:09 +00:00
|
|
|
return 0;
|
|
|
|
}
|
2017-11-17 13:38:29 +00:00
|
|
|
EXPORT_SYMBOL_GPL(dprc_get_obj);
|
2015-03-06 01:29:09 +00:00
|
|
|
|
2015-09-24 19:26:54 +00:00
|
|
|
/**
|
|
|
|
* dprc_set_obj_irq() - Set IRQ information for object to trigger an interrupt.
|
|
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
|
|
* @token: Token of DPRC object
|
|
|
|
* @obj_type: Type of the object to set its IRQ
|
|
|
|
* @obj_id: ID of the object to set its IRQ
|
|
|
|
* @irq_index: The interrupt index to configure
|
|
|
|
* @irq_cfg: IRQ configuration
|
|
|
|
*
|
|
|
|
* Return: '0' on Success; Error code otherwise.
|
|
|
|
*/
|
2015-09-23 21:11:03 +00:00
|
|
|
int dprc_set_obj_irq(struct fsl_mc_io *mc_io,
|
2015-09-25 16:21:01 +00:00
|
|
|
u32 cmd_flags,
|
|
|
|
u16 token,
|
2015-09-23 21:11:03 +00:00
|
|
|
char *obj_type,
|
|
|
|
int obj_id,
|
2015-09-25 16:21:01 +00:00
|
|
|
u8 irq_index,
|
2015-09-23 21:11:03 +00:00
|
|
|
struct dprc_irq_cfg *irq_cfg)
|
|
|
|
{
|
2018-03-15 17:05:31 +00:00
|
|
|
struct fsl_mc_command cmd = { 0 };
|
2016-06-22 21:40:52 +00:00
|
|
|
struct dprc_cmd_set_obj_irq *cmd_params;
|
2015-09-23 21:11:03 +00:00
|
|
|
|
|
|
|
/* prepare command */
|
|
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_OBJ_IRQ,
|
|
|
|
cmd_flags,
|
|
|
|
token);
|
2016-06-22 21:40:52 +00:00
|
|
|
cmd_params = (struct dprc_cmd_set_obj_irq *)cmd.params;
|
|
|
|
cmd_params->irq_val = cpu_to_le32(irq_cfg->val);
|
|
|
|
cmd_params->irq_index = irq_index;
|
|
|
|
cmd_params->irq_addr = cpu_to_le64(irq_cfg->paddr);
|
|
|
|
cmd_params->irq_num = cpu_to_le32(irq_cfg->irq_num);
|
|
|
|
cmd_params->obj_id = cpu_to_le32(obj_id);
|
|
|
|
strncpy(cmd_params->obj_type, obj_type, 16);
|
|
|
|
cmd_params->obj_type[15] = '\0';
|
2015-09-23 21:11:03 +00:00
|
|
|
|
|
|
|
/* send command to mc*/
|
|
|
|
return mc_send_command(mc_io, &cmd);
|
|
|
|
}
|
2017-11-17 13:38:29 +00:00
|
|
|
EXPORT_SYMBOL_GPL(dprc_set_obj_irq);
|
2015-09-23 21:11:03 +00:00
|
|
|
|
2015-09-24 19:26:54 +00:00
|
|
|
/**
|
|
|
|
* dprc_get_obj_region() - Get region information for a specified object.
|
|
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
|
|
* @token: Token of DPRC object
|
|
|
|
* @obj_type; Object type as returned in dprc_get_obj()
|
|
|
|
* @obj_id: Unique object instance as returned in dprc_get_obj()
|
|
|
|
* @region_index: The specific region to query
|
|
|
|
* @region_desc: Returns the requested region descriptor
|
|
|
|
*
|
|
|
|
* Return: '0' on Success; Error code otherwise.
|
|
|
|
*/
|
2015-03-06 01:29:09 +00:00
|
|
|
int dprc_get_obj_region(struct fsl_mc_io *mc_io,
|
2015-09-25 16:21:01 +00:00
|
|
|
u32 cmd_flags,
|
|
|
|
u16 token,
|
2015-03-06 01:29:09 +00:00
|
|
|
char *obj_type,
|
|
|
|
int obj_id,
|
2015-09-25 16:21:01 +00:00
|
|
|
u8 region_index,
|
2015-03-06 01:29:09 +00:00
|
|
|
struct dprc_region_desc *region_desc)
|
|
|
|
{
|
2018-03-15 17:05:31 +00:00
|
|
|
struct fsl_mc_command cmd = { 0 };
|
2016-06-22 21:40:52 +00:00
|
|
|
struct dprc_cmd_get_obj_region *cmd_params;
|
|
|
|
struct dprc_rsp_get_obj_region *rsp_params;
|
2015-03-06 01:29:09 +00:00
|
|
|
int err;
|
|
|
|
|
2020-09-29 08:54:33 +00:00
|
|
|
/*
|
|
|
|
* If the DPRC object version was not yet cached, cache it now.
|
|
|
|
* Otherwise use the already cached value.
|
|
|
|
*/
|
|
|
|
if (!dprc_major_ver && !dprc_minor_ver) {
|
|
|
|
err = dprc_get_api_version(mc_io, 0,
|
|
|
|
&dprc_major_ver,
|
|
|
|
&dprc_minor_ver);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
}
|
2019-04-05 14:41:11 +00:00
|
|
|
|
2020-09-29 08:54:41 +00:00
|
|
|
if (dprc_major_ver > 6 || (dprc_major_ver == 6 && dprc_minor_ver >= 6)) {
|
|
|
|
/*
|
|
|
|
* MC API version 6.6 changed the size of the MC portals and software
|
|
|
|
* portals to 64K (as implemented by hardware). If older API is in use the
|
|
|
|
* size reported is less (64 bytes for mc portals and 4K for software
|
|
|
|
* portals).
|
|
|
|
*/
|
|
|
|
|
|
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_REG_V3,
|
|
|
|
cmd_flags, token);
|
|
|
|
|
|
|
|
} else if (dprc_major_ver == 6 && dprc_minor_ver >= 3) {
|
|
|
|
/*
|
|
|
|
* MC API version 6.3 introduced a new field to the region
|
|
|
|
* descriptor: base_address. If the older API is in use then the base
|
|
|
|
* address is set to zero to indicate it needs to be obtained elsewhere
|
|
|
|
* (typically the device tree).
|
|
|
|
*/
|
|
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_REG_V2,
|
|
|
|
cmd_flags, token);
|
|
|
|
} else {
|
|
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_REG,
|
|
|
|
cmd_flags, token);
|
|
|
|
}
|
2019-04-05 14:41:11 +00:00
|
|
|
|
2016-06-22 21:40:52 +00:00
|
|
|
cmd_params = (struct dprc_cmd_get_obj_region *)cmd.params;
|
|
|
|
cmd_params->obj_id = cpu_to_le32(obj_id);
|
|
|
|
cmd_params->region_index = region_index;
|
|
|
|
strncpy(cmd_params->obj_type, obj_type, 16);
|
|
|
|
cmd_params->obj_type[15] = '\0';
|
2015-03-06 01:29:09 +00:00
|
|
|
|
|
|
|
/* send command to mc*/
|
|
|
|
err = mc_send_command(mc_io, &cmd);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
|
|
|
|
/* retrieve response parameters */
|
2016-06-22 21:40:52 +00:00
|
|
|
rsp_params = (struct dprc_rsp_get_obj_region *)cmd.params;
|
2019-04-05 14:41:11 +00:00
|
|
|
region_desc->base_offset = le64_to_cpu(rsp_params->base_offset);
|
2016-06-22 21:40:52 +00:00
|
|
|
region_desc->size = le32_to_cpu(rsp_params->size);
|
2020-11-24 11:12:00 +00:00
|
|
|
region_desc->type = rsp_params->type;
|
|
|
|
region_desc->flags = le32_to_cpu(rsp_params->flags);
|
2020-09-29 08:54:33 +00:00
|
|
|
if (dprc_major_ver > 6 || (dprc_major_ver == 6 && dprc_minor_ver >= 3))
|
2019-04-05 14:41:11 +00:00
|
|
|
region_desc->base_address = le64_to_cpu(rsp_params->base_addr);
|
|
|
|
else
|
|
|
|
region_desc->base_address = 0;
|
2015-03-06 01:29:09 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2017-11-17 13:38:29 +00:00
|
|
|
EXPORT_SYMBOL_GPL(dprc_get_obj_region);
|
2015-03-06 01:29:09 +00:00
|
|
|
|
2016-10-26 16:20:34 +00:00
|
|
|
/**
|
|
|
|
* dprc_get_api_version - Get Data Path Resource Container API version
|
|
|
|
* @mc_io: Pointer to Mc portal's I/O object
|
|
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
|
|
* @major_ver: Major version of Data Path Resource Container API
|
|
|
|
* @minor_ver: Minor version of Data Path Resource Container API
|
|
|
|
*
|
|
|
|
* Return: '0' on Success; Error code otherwise.
|
|
|
|
*/
|
|
|
|
int dprc_get_api_version(struct fsl_mc_io *mc_io,
|
|
|
|
u32 cmd_flags,
|
|
|
|
u16 *major_ver,
|
|
|
|
u16 *minor_ver)
|
|
|
|
{
|
2018-03-15 17:05:31 +00:00
|
|
|
struct fsl_mc_command cmd = { 0 };
|
2016-10-26 16:20:34 +00:00
|
|
|
int err;
|
|
|
|
|
|
|
|
/* prepare command */
|
|
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_API_VERSION,
|
|
|
|
cmd_flags, 0);
|
|
|
|
|
|
|
|
/* send command to mc */
|
|
|
|
err = mc_send_command(mc_io, &cmd);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
|
|
|
|
/* retrieve response parameters */
|
|
|
|
mc_cmd_read_api_version(&cmd, major_ver, minor_ver);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* dprc_get_container_id - Get container ID associated with a given portal.
|
|
|
|
* @mc_io: Pointer to Mc portal's I/O object
|
|
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
|
|
* @container_id: Requested container id
|
|
|
|
*
|
|
|
|
* Return: '0' on Success; Error code otherwise.
|
|
|
|
*/
|
|
|
|
int dprc_get_container_id(struct fsl_mc_io *mc_io,
|
|
|
|
u32 cmd_flags,
|
|
|
|
int *container_id)
|
|
|
|
{
|
2018-03-15 17:05:31 +00:00
|
|
|
struct fsl_mc_command cmd = { 0 };
|
2016-10-26 16:20:34 +00:00
|
|
|
int err;
|
|
|
|
|
|
|
|
/* prepare command */
|
|
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_CONT_ID,
|
|
|
|
cmd_flags,
|
|
|
|
0);
|
|
|
|
|
|
|
|
/* send command to mc*/
|
|
|
|
err = mc_send_command(mc_io, &cmd);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
|
|
|
|
/* retrieve response parameters */
|
|
|
|
*container_id = (int)mc_cmd_read_object_id(&cmd);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2019-10-30 23:18:29 +00:00
|
|
|
|
|
|
|
/**
|
|
|
|
* dprc_get_connection() - Get connected endpoint and link status if connection
|
|
|
|
* exists.
|
|
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
|
|
* @token: Token of DPRC object
|
|
|
|
* @endpoint1: Endpoint 1 configuration parameters
|
|
|
|
* @endpoint2: Returned endpoint 2 configuration parameters
|
|
|
|
* @state: Returned link state:
|
|
|
|
* 1 - link is up;
|
|
|
|
* 0 - link is down;
|
|
|
|
* -1 - no connection (endpoint2 information is irrelevant)
|
|
|
|
*
|
|
|
|
* Return: '0' on Success; -ENOTCONN if connection does not exist.
|
|
|
|
*/
|
|
|
|
int dprc_get_connection(struct fsl_mc_io *mc_io,
|
|
|
|
u32 cmd_flags,
|
|
|
|
u16 token,
|
|
|
|
const struct dprc_endpoint *endpoint1,
|
|
|
|
struct dprc_endpoint *endpoint2,
|
|
|
|
int *state)
|
|
|
|
{
|
|
|
|
struct dprc_cmd_get_connection *cmd_params;
|
|
|
|
struct dprc_rsp_get_connection *rsp_params;
|
|
|
|
struct fsl_mc_command cmd = { 0 };
|
|
|
|
int err, i;
|
|
|
|
|
|
|
|
/* prepare command */
|
|
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_CONNECTION,
|
|
|
|
cmd_flags,
|
|
|
|
token);
|
|
|
|
cmd_params = (struct dprc_cmd_get_connection *)cmd.params;
|
|
|
|
cmd_params->ep1_id = cpu_to_le32(endpoint1->id);
|
|
|
|
cmd_params->ep1_interface_id = cpu_to_le16(endpoint1->if_id);
|
|
|
|
for (i = 0; i < 16; i++)
|
|
|
|
cmd_params->ep1_type[i] = endpoint1->type[i];
|
|
|
|
|
|
|
|
/* send command to mc */
|
|
|
|
err = mc_send_command(mc_io, &cmd);
|
|
|
|
if (err)
|
|
|
|
return -ENOTCONN;
|
|
|
|
|
|
|
|
/* retrieve response parameters */
|
|
|
|
rsp_params = (struct dprc_rsp_get_connection *)cmd.params;
|
|
|
|
endpoint2->id = le32_to_cpu(rsp_params->ep2_id);
|
|
|
|
endpoint2->if_id = le16_to_cpu(rsp_params->ep2_interface_id);
|
|
|
|
*state = le32_to_cpu(rsp_params->state);
|
|
|
|
for (i = 0; i < 16; i++)
|
|
|
|
endpoint2->type[i] = rsp_params->ep2_type[i];
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|