diff options
author | 2017-11-08 14:15:11 +0000 | |
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committer | 2017-11-08 14:45:54 +0000 | |
commit | 055c52583a2794da8ba1e85a48cce3832372b12f (patch) | |
tree | 8ceb1cb78fbb46a0f341f8ee24feb3c6b5540013 /drivers/bus/fslmc/mc/dpio.c | |
parent | f239aed5e674965691846e8ce3f187dd47523689 (diff) |
New upstream version 17.11-rc3
Change-Id: I6a5baa40612fe0c20f30b5fa773a6cbbac63a685
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'drivers/bus/fslmc/mc/dpio.c')
-rw-r--r-- | drivers/bus/fslmc/mc/dpio.c | 230 |
1 files changed, 205 insertions, 25 deletions
diff --git a/drivers/bus/fslmc/mc/dpio.c b/drivers/bus/fslmc/mc/dpio.c index 608b57a7..76c5d7b7 100644 --- a/drivers/bus/fslmc/mc/dpio.c +++ b/drivers/bus/fslmc/mc/dpio.c @@ -5,7 +5,7 @@ * BSD LICENSE * * Copyright 2013-2016 Freescale Semiconductor Inc. - * Copyright 2016 NXP. + * Copyright 2016-2017 NXP. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: @@ -42,11 +42,29 @@ #include <fsl_dpio.h> #include <fsl_dpio_cmd.h> +/** + * dpio_open() - Open a control session for the specified object + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @dpio_id: DPIO unique ID + * @token: Returned token; use in subsequent API calls + * + * This function can be used to open a control session for an + * already created object; an object may have been declared in + * the DPL or by calling the dpio_create() function. + * This function returns a unique authentication token, + * associated with the specific object ID and any MC portals + * assigned to the parent container; this token must be used in + * all subsequent commands for this specific object. + * + * Return: '0' on Success; Error code otherwise. + */ int dpio_open(struct fsl_mc_io *mc_io, uint32_t cmd_flags, int dpio_id, uint16_t *token) { + struct dpio_cmd_open *cmd_params; struct mc_command cmd = { 0 }; int err; @@ -54,7 +72,8 @@ int dpio_open(struct fsl_mc_io *mc_io, cmd.header = mc_encode_cmd_header(DPIO_CMDID_OPEN, cmd_flags, 0); - DPIO_CMD_OPEN(cmd, dpio_id); + cmd_params = (struct dpio_cmd_open *)cmd.params; + cmd_params->dpio_id = cpu_to_le32(dpio_id); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); @@ -62,11 +81,19 @@ int dpio_open(struct fsl_mc_io *mc_io, return err; /* retrieve response parameters */ - *token = MC_CMD_HDR_READ_TOKEN(cmd.header); + *token = mc_cmd_hdr_read_token(&cmd); return 0; } +/** + * dpio_close() - Close the control session of the 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 DPIO object + * + * Return: '0' on Success; Error code otherwise. + */ int dpio_close(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token) @@ -82,12 +109,35 @@ int dpio_close(struct fsl_mc_io *mc_io, return mc_send_command(mc_io, &cmd); } -int dpio_create(struct fsl_mc_io *mc_io, - uint16_t dprc_token, - uint32_t cmd_flags, - const struct dpio_cfg *cfg, - uint32_t *obj_id) +/** + * dpio_create() - Create the DPIO object. + * @mc_io: Pointer to MC portal's I/O object + * @dprc_token: Parent container token; '0' for default container + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @cfg: Configuration structure + * @obj_id: Returned object id + * + * Create the DPIO object, allocate required resources and + * perform required initialization. + * + * The object can be created either by declaring it in the + * DPL file, or by calling this function. + * + * The function accepts an authentication token of a parent + * container that this object should be assigned to. The token + * can be '0' so the object will be assigned to the default container. + * The newly created object can be opened with the returned + * object id and using the container's associated tokens and MC portals. + * + * Return: '0' on Success; Error code otherwise. + */ +int dpio_create(struct fsl_mc_io *mc_io, + uint16_t dprc_token, + uint32_t cmd_flags, + const struct dpio_cfg *cfg, + uint32_t *obj_id) { + struct dpio_cmd_create *cmd_params; struct mc_command cmd = { 0 }; int err; @@ -95,7 +145,11 @@ int dpio_create(struct fsl_mc_io *mc_io, cmd.header = mc_encode_cmd_header(DPIO_CMDID_CREATE, cmd_flags, dprc_token); - DPIO_CMD_CREATE(cmd, cfg); + cmd_params = (struct dpio_cmd_create *)cmd.params; + cmd_params->num_priorities = cfg->num_priorities; + dpio_set_field(cmd_params->channel_mode, + CHANNEL_MODE, + cfg->channel_mode); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); @@ -103,28 +157,55 @@ int dpio_create(struct fsl_mc_io *mc_io, return err; /* retrieve response parameters */ - CMD_CREATE_RSP_GET_OBJ_ID_PARAM0(cmd, *obj_id); + *obj_id = mc_cmd_read_object_id(&cmd); return 0; } -int dpio_destroy(struct fsl_mc_io *mc_io, - uint16_t dprc_token, - uint32_t cmd_flags, - uint32_t object_id) +/** + * dpio_destroy() - Destroy the DPIO object and release all its resources. + * @mc_io: Pointer to MC portal's I/O object + * @dprc_token: Parent container token; '0' for default container + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @object_id: The object id; it must be a valid id within the container that + * created this object; + * + * The function accepts the authentication token of the parent container that + * created the object (not the one that currently owns the object). The object + * is searched within parent using the provided 'object_id'. + * All tokens to the object must be closed before calling destroy. + * + * Return: '0' on Success; Error code otherwise + */ +int dpio_destroy(struct fsl_mc_io *mc_io, + uint16_t dprc_token, + uint32_t cmd_flags, + uint32_t object_id) { + struct dpio_cmd_destroy *cmd_params; struct mc_command cmd = { 0 }; /* prepare command */ cmd.header = mc_encode_cmd_header(DPIO_CMDID_DESTROY, cmd_flags, dprc_token); + /* set object id to destroy */ - CMD_DESTROY_SET_OBJ_ID_PARAM0(cmd, object_id); + cmd_params = (struct dpio_cmd_destroy *)cmd.params; + cmd_params->dpio_id = cpu_to_le32(object_id); + /* send command to mc*/ return mc_send_command(mc_io, &cmd); } +/** + * dpio_enable() - Enable the DPIO, allow I/O portal operations. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPIO object + * + * Return: '0' on Success; Error code otherwise + */ int dpio_enable(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token) @@ -140,6 +221,14 @@ int dpio_enable(struct fsl_mc_io *mc_io, return mc_send_command(mc_io, &cmd); } +/** + * dpio_disable() - Disable the DPIO, stop any I/O portal operation. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPIO object + * + * Return: '0' on Success; Error code otherwise + */ int dpio_disable(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token) @@ -155,13 +244,24 @@ int dpio_disable(struct fsl_mc_io *mc_io, return mc_send_command(mc_io, &cmd); } +/** + * dpio_is_enabled() - Check if the DPIO is enabled. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPIO object + * @en: Returns '1' if object is enabled; '0' otherwise + * + * Return: '0' on Success; Error code otherwise. + */ int dpio_is_enabled(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token, int *en) { + struct dpio_rsp_is_enabled *rsp_params; struct mc_command cmd = { 0 }; int err; + /* prepare command */ cmd.header = mc_encode_cmd_header(DPIO_CMDID_IS_ENABLED, cmd_flags, token); @@ -172,11 +272,20 @@ int dpio_is_enabled(struct fsl_mc_io *mc_io, return err; /* retrieve response parameters */ - DPIO_RSP_IS_ENABLED(cmd, *en); + rsp_params = (struct dpio_rsp_is_enabled *)cmd.params; + *en = dpio_get_field(rsp_params->en, ENABLE); return 0; } +/** + * dpio_reset() - Reset the DPIO, returns the object to initial 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 DPIO object + * + * Return: '0' on Success; Error code otherwise. + */ int dpio_reset(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token) @@ -197,6 +306,7 @@ int dpio_get_attributes(struct fsl_mc_io *mc_io, uint16_t token, struct dpio_attr *attr) { + struct dpio_rsp_get_attr *rsp_params; struct mc_command cmd = { 0 }; int err; @@ -211,33 +321,65 @@ int dpio_get_attributes(struct fsl_mc_io *mc_io, return err; /* retrieve response parameters */ - DPIO_RSP_GET_ATTRIBUTES(cmd, attr); + rsp_params = (struct dpio_rsp_get_attr *)cmd.params; + attr->id = le32_to_cpu(rsp_params->id); + attr->qbman_portal_id = le16_to_cpu(rsp_params->qbman_portal_id); + attr->num_priorities = rsp_params->num_priorities; + attr->qbman_portal_ce_offset = + le64_to_cpu(rsp_params->qbman_portal_ce_offset); + attr->qbman_portal_ci_offset = + le64_to_cpu(rsp_params->qbman_portal_ci_offset); + attr->qbman_version = le32_to_cpu(rsp_params->qbman_version); + attr->clk = le32_to_cpu(rsp_params->clk); + attr->channel_mode = dpio_get_field(rsp_params->channel_mode, + ATTR_CHANNEL_MODE); return 0; } +/** + * dpio_set_stashing_destination() - Set the stashing destination. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPIO object + * @sdest: Stashing destination value + * + * Return: '0' on Success; Error code otherwise. + */ int dpio_set_stashing_destination(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token, uint8_t sdest) { + struct dpio_stashing_dest *cmd_params; struct mc_command cmd = { 0 }; /* prepare command */ cmd.header = mc_encode_cmd_header(DPIO_CMDID_SET_STASHING_DEST, cmd_flags, token); - DPIO_CMD_SET_STASHING_DEST(cmd, sdest); + cmd_params = (struct dpio_stashing_dest *)cmd.params; + cmd_params->sdest = sdest; /* send command to mc*/ return mc_send_command(mc_io, &cmd); } +/** + * dpio_get_stashing_destination() - Get the stashing destination.. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPIO object + * @sdest: Returns the stashing destination value + * + * Return: '0' on Success; Error code otherwise. + */ int dpio_get_stashing_destination(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token, uint8_t *sdest) { + struct dpio_stashing_dest *rsp_params; struct mc_command cmd = { 0 }; int err; @@ -252,17 +394,30 @@ int dpio_get_stashing_destination(struct fsl_mc_io *mc_io, return err; /* retrieve response parameters */ - DPIO_RSP_GET_STASHING_DEST(cmd, *sdest); + rsp_params = (struct dpio_stashing_dest *)cmd.params; + *sdest = rsp_params->sdest; return 0; } +/** + * dpio_add_static_dequeue_channel() - Add a static dequeue channel. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPIO object + * @dpcon_id: DPCON object ID + * @channel_index: Returned channel index to be used in qbman API + * + * Return: '0' on Success; Error code otherwise. + */ int dpio_add_static_dequeue_channel(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token, int dpcon_id, uint8_t *channel_index) { + struct dpio_rsp_add_static_dequeue_channel *rsp_params; + struct dpio_cmd_static_dequeue_channel *cmd_params; struct mc_command cmd = { 0 }; int err; @@ -270,7 +425,8 @@ int dpio_add_static_dequeue_channel(struct fsl_mc_io *mc_io, cmd.header = mc_encode_cmd_header(DPIO_CMDID_ADD_STATIC_DEQUEUE_CHANNEL, cmd_flags, token); - DPIO_CMD_ADD_STATIC_DEQUEUE_CHANNEL(cmd, dpcon_id); + cmd_params = (struct dpio_cmd_static_dequeue_channel *)cmd.params; + cmd_params->dpcon_id = cpu_to_le32(dpcon_id); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); @@ -278,16 +434,27 @@ int dpio_add_static_dequeue_channel(struct fsl_mc_io *mc_io, return err; /* retrieve response parameters */ - DPIO_RSP_ADD_STATIC_DEQUEUE_CHANNEL(cmd, *channel_index); + rsp_params = (struct dpio_rsp_add_static_dequeue_channel *)cmd.params; + *channel_index = rsp_params->channel_index; return 0; } +/** + * dpio_remove_static_dequeue_channel() - Remove a static dequeue channel. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPIO object + * @dpcon_id: DPCON object ID + * + * Return: '0' on Success; Error code otherwise. + */ int dpio_remove_static_dequeue_channel(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token, int dpcon_id) { + struct dpio_cmd_static_dequeue_channel *cmd_params; struct mc_command cmd = { 0 }; /* prepare command */ @@ -295,17 +462,28 @@ int dpio_remove_static_dequeue_channel(struct fsl_mc_io *mc_io, DPIO_CMDID_REMOVE_STATIC_DEQUEUE_CHANNEL, cmd_flags, token); - DPIO_CMD_REMOVE_STATIC_DEQUEUE_CHANNEL(cmd, dpcon_id); + cmd_params = (struct dpio_cmd_static_dequeue_channel *)cmd.params; + cmd_params->dpcon_id = cpu_to_le32(dpcon_id); /* send command to mc*/ return mc_send_command(mc_io, &cmd); } +/** + * dpio_get_api_version() - Get Data Path I/O 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 i/o API + * @minor_ver: Minor version of data path i/o API + * + * Return: '0' on Success; Error code otherwise. + */ int dpio_get_api_version(struct fsl_mc_io *mc_io, uint32_t cmd_flags, - uint16_t *major_ver, - uint16_t *minor_ver) + uint16_t *major_ver, + uint16_t *minor_ver) { + struct dpio_rsp_get_api_version *rsp_params; struct mc_command cmd = { 0 }; int err; @@ -317,7 +495,9 @@ int dpio_get_api_version(struct fsl_mc_io *mc_io, if (err) return err; - DPIO_RSP_GET_API_VERSION(cmd, *major_ver, *minor_ver); + rsp_params = (struct dpio_rsp_get_api_version *)cmd.params; + *major_ver = le16_to_cpu(rsp_params->major); + *minor_ver = le16_to_cpu(rsp_params->minor); return 0; } |