diff options
Diffstat (limited to 'include/fsl-mc/fsl_dpio.h')
| -rw-r--r-- | include/fsl-mc/fsl_dpio.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/include/fsl-mc/fsl_dpio.h b/include/fsl-mc/fsl_dpio.h index 9e83a2e..0bc0b44 100644 --- a/include/fsl-mc/fsl_dpio.h +++ b/include/fsl-mc/fsl_dpio.h @@ -14,6 +14,8 @@ /* Command IDs */ #define DPIO_CMDID_CLOSE 0x800 #define DPIO_CMDID_OPEN 0x803 +#define DPIO_CMDID_CREATE 0x903 +#define DPIO_CMDID_DESTROY 0x900 #define DPIO_CMDID_ENABLE 0x002 #define DPIO_CMDID_DISABLE 0x003 @@ -25,6 +27,14 @@ MC_CMD_OP(cmd, 0, 0, 32, int, dpio_id) /* cmd, param, offset, width, type, arg_name */ +#define DPIO_CMD_CREATE(cmd, cfg) \ +do { \ + MC_CMD_OP(cmd, 0, 16, 2, enum dpio_channel_mode, \ + cfg->channel_mode);\ + MC_CMD_OP(cmd, 0, 32, 8, uint8_t, cfg->num_priorities);\ +} while (0) + +/* cmd, param, offset, width, type, arg_name */ #define DPIO_RSP_GET_ATTR(cmd, attr) \ do { \ MC_RSP_OP(cmd, 0, 0, 32, int, attr->id);\ @@ -90,6 +100,56 @@ enum dpio_channel_mode { }; /** + * struct dpio_cfg - Structure representing DPIO configuration + * @channel_mode: Notification channel mode + * @num_priorities: Number of priorities for the notification channel (1-8); + * relevant only if 'channel_mode = DPIO_LOCAL_CHANNEL' + */ +struct dpio_cfg { + enum dpio_channel_mode channel_mode; + uint8_t num_priorities; +}; + +/** + * dpio_create() - Create the DPIO object. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @cfg: Configuration structure + * @token: Returned token; use in subsequent API calls + * + * 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. + * + * This function returns a unique authentication token, + * associated with the specific object ID and the specific MC + * portal; this token must be used in all subsequent calls to + * this specific object. For objects that are created using the + * DPL file, call dpio_open() function to get an authentication + * token first. + * + * Return: '0' on Success; Error code otherwise. + */ +int dpio_create(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + const struct dpio_cfg *cfg, + uint16_t *token); + +/** + * dpio_destroy() - Destroy the DPIO object and release all its resources. + * @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_destroy(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token); + +/** * 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_' |