diff options
Diffstat (limited to 'drivers/staging/fsl-mc/bus/dprc.c')
| -rw-r--r-- | drivers/staging/fsl-mc/bus/dprc.c | 268 |
1 files changed, 8 insertions, 260 deletions
diff --git a/drivers/staging/fsl-mc/bus/dprc.c b/drivers/staging/fsl-mc/bus/dprc.c index 6f6c65a42166..97f51726fa7e 100644 --- a/drivers/staging/fsl-mc/bus/dprc.c +++ b/drivers/staging/fsl-mc/bus/dprc.c @@ -1,39 +1,11 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * Copyright 2013-2016 Freescale Semiconductor Inc. * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of the above-listed copyright holders nor the - * names of any contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. */ #include <linux/kernel.h> #include "../include/mc.h" -#include "dprc.h" - -#include "dprc-cmd.h" +#include "fsl-mc-private.h" /** * dprc_open() - Open DPRC object for use @@ -71,7 +43,7 @@ int dprc_open(struct fsl_mc_io *mc_io, return 0; } -EXPORT_SYMBOL(dprc_open); +EXPORT_SYMBOL_GPL(dprc_open); /** * dprc_close() - Close the control session of the object @@ -97,53 +69,7 @@ int dprc_close(struct fsl_mc_io *mc_io, /* send command to mc*/ return mc_send_command(mc_io, &cmd); } -EXPORT_SYMBOL(dprc_close); - -/** - * dprc_get_irq() - Get IRQ information from 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 - * @irq_index: The interrupt index to configure - * @type: Interrupt type: 0 represents message interrupt - * type (both irq_addr and irq_val are valid) - * @irq_cfg: IRQ attributes - * - * Return: '0' on Success; Error code otherwise. - */ -int dprc_get_irq(struct fsl_mc_io *mc_io, - u32 cmd_flags, - u16 token, - u8 irq_index, - int *type, - struct dprc_irq_cfg *irq_cfg) -{ - struct mc_command cmd = { 0 }; - struct dprc_cmd_get_irq *cmd_params; - struct dprc_rsp_get_irq *rsp_params; - int err; - - /* prepare command */ - cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ, - cmd_flags, - token); - cmd_params = (struct dprc_cmd_get_irq *)cmd.params; - cmd_params->irq_index = irq_index; - - /* send command to mc*/ - err = mc_send_command(mc_io, &cmd); - if (err) - return err; - - /* retrieve response parameters */ - rsp_params = (struct dprc_rsp_get_irq *)cmd.params; - irq_cfg->val = le32_to_cpu(rsp_params->irq_val); - irq_cfg->paddr = le64_to_cpu(rsp_params->irq_addr); - irq_cfg->irq_num = le32_to_cpu(rsp_params->irq_num); - *type = le32_to_cpu(rsp_params->type); - - return 0; -} +EXPORT_SYMBOL_GPL(dprc_close); /** * dprc_set_irq() - Set IRQ information for the DPRC to trigger an interrupt. @@ -179,45 +105,6 @@ int dprc_set_irq(struct fsl_mc_io *mc_io, } /** - * dprc_get_irq_enable() - Get overall interrupt state. - * @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 - * @en: Returned interrupt state - enable = 1, disable = 0 - * - * Return: '0' on Success; Error code otherwise. - */ -int dprc_get_irq_enable(struct fsl_mc_io *mc_io, - u32 cmd_flags, - u16 token, - u8 irq_index, - u8 *en) -{ - struct mc_command cmd = { 0 }; - struct dprc_cmd_get_irq_enable *cmd_params; - struct dprc_rsp_get_irq_enable *rsp_params; - int err; - - /* prepare command */ - cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ_ENABLE, - cmd_flags, token); - cmd_params = (struct dprc_cmd_get_irq_enable *)cmd.params; - cmd_params->irq_index = irq_index; - - /* send command to mc*/ - err = mc_send_command(mc_io, &cmd); - if (err) - return err; - - /* retrieve response parameters */ - rsp_params = (struct dprc_rsp_get_irq_enable *)cmd.params; - *en = rsp_params->enabled & DPRC_ENABLE; - - return 0; -} - -/** * dprc_set_irq_enable() - Set overall interrupt state. * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' @@ -253,48 +140,6 @@ int dprc_set_irq_enable(struct fsl_mc_io *mc_io, } /** - * dprc_get_irq_mask() - Get interrupt mask. - * @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 - * @mask: Returned event mask to trigger interrupt - * - * Every interrupt can have up to 32 causes and the interrupt model supports - * masking/unmasking each cause independently - * - * Return: '0' on Success; Error code otherwise. - */ -int dprc_get_irq_mask(struct fsl_mc_io *mc_io, - u32 cmd_flags, - u16 token, - u8 irq_index, - u32 *mask) -{ - struct mc_command cmd = { 0 }; - struct dprc_cmd_get_irq_mask *cmd_params; - struct dprc_rsp_get_irq_mask *rsp_params; - int err; - - /* prepare command */ - cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ_MASK, - cmd_flags, token); - cmd_params = (struct dprc_cmd_get_irq_mask *)cmd.params; - cmd_params->irq_index = irq_index; - - /* send command to mc*/ - err = mc_send_command(mc_io, &cmd); - if (err) - return err; - - /* retrieve response parameters */ - rsp_params = (struct dprc_rsp_get_irq_mask *)cmd.params; - *mask = le32_to_cpu(rsp_params->mask); - - return 0; -} - -/** * dprc_set_irq_mask() - Set interrupt mask. * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' @@ -475,7 +320,7 @@ int dprc_get_obj_count(struct fsl_mc_io *mc_io, return 0; } -EXPORT_SYMBOL(dprc_get_obj_count); +EXPORT_SYMBOL_GPL(dprc_get_obj_count); /** * dprc_get_obj() - Get general information on an object @@ -531,7 +376,7 @@ int dprc_get_obj(struct fsl_mc_io *mc_io, obj_desc->label[15] = '\0'; return 0; } -EXPORT_SYMBOL(dprc_get_obj); +EXPORT_SYMBOL_GPL(dprc_get_obj); /** * dprc_set_obj_irq() - Set IRQ information for object to trigger an interrupt. @@ -572,104 +417,7 @@ int dprc_set_obj_irq(struct fsl_mc_io *mc_io, /* send command to mc*/ return mc_send_command(mc_io, &cmd); } -EXPORT_SYMBOL(dprc_set_obj_irq); - -/** - * dprc_get_obj_irq() - Get IRQ information from 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: Type od the object to get its IRQ - * @obj_id: ID of the object to get its IRQ - * @irq_index: The interrupt index to configure - * @type: Interrupt type: 0 represents message interrupt - * type (both irq_addr and irq_val are valid) - * @irq_cfg: The returned IRQ attributes - * - * Return: '0' on Success; Error code otherwise. - */ -int dprc_get_obj_irq(struct fsl_mc_io *mc_io, - u32 cmd_flags, - u16 token, - char *obj_type, - int obj_id, - u8 irq_index, - int *type, - struct dprc_irq_cfg *irq_cfg) -{ - struct mc_command cmd = { 0 }; - struct dprc_cmd_get_obj_irq *cmd_params; - struct dprc_rsp_get_obj_irq *rsp_params; - int err; - - /* prepare command */ - cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_IRQ, - cmd_flags, - token); - cmd_params = (struct dprc_cmd_get_obj_irq *)cmd.params; - cmd_params->obj_id = cpu_to_le32(obj_id); - cmd_params->irq_index = irq_index; - strncpy(cmd_params->obj_type, obj_type, 16); - cmd_params->obj_type[15] = '\0'; - - /* send command to mc*/ - err = mc_send_command(mc_io, &cmd); - if (err) - return err; - - /* retrieve response parameters */ - rsp_params = (struct dprc_rsp_get_obj_irq *)cmd.params; - irq_cfg->val = le32_to_cpu(rsp_params->irq_val); - irq_cfg->paddr = le64_to_cpu(rsp_params->irq_addr); - irq_cfg->irq_num = le32_to_cpu(rsp_params->irq_num); - *type = le32_to_cpu(rsp_params->type); - - return 0; -} -EXPORT_SYMBOL(dprc_get_obj_irq); - -/** - * dprc_get_res_count() - Obtains the number of free resources that are assigned - * to this container, by pool type - * @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 - * @type: pool type - * @res_count: Returned number of free resources of the given - * resource type that are assigned to this DPRC - * - * Return: '0' on Success; Error code otherwise. - */ -int dprc_get_res_count(struct fsl_mc_io *mc_io, - u32 cmd_flags, - u16 token, - char *type, - int *res_count) -{ - struct mc_command cmd = { 0 }; - struct dprc_cmd_get_res_count *cmd_params; - struct dprc_rsp_get_res_count *rsp_params; - int err; - - /* prepare command */ - cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_RES_COUNT, - cmd_flags, token); - cmd_params = (struct dprc_cmd_get_res_count *)cmd.params; - strncpy(cmd_params->type, type, 16); - cmd_params->type[15] = '\0'; - - /* send command to mc*/ - err = mc_send_command(mc_io, &cmd); - if (err) - return err; - - /* retrieve response parameters */ - rsp_params = (struct dprc_rsp_get_res_count *)cmd.params; - *res_count = le32_to_cpu(rsp_params->res_count); - - return 0; -} -EXPORT_SYMBOL(dprc_get_res_count); +EXPORT_SYMBOL_GPL(dprc_set_obj_irq); /** * dprc_get_obj_region() - Get region information for a specified object. @@ -717,7 +465,7 @@ int dprc_get_obj_region(struct fsl_mc_io *mc_io, return 0; } -EXPORT_SYMBOL(dprc_get_obj_region); +EXPORT_SYMBOL_GPL(dprc_get_obj_region); /** * dprc_get_api_version - Get Data Path Resource Container API version |