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103 lines
2.3 KiB
103 lines
2.3 KiB
// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) |
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/* |
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* Copyright 2021 NXP |
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* |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/fsl/mc.h> |
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#include "fsl-mc-private.h" |
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static int fsl_mc_get_open_cmd_id(const char *type) |
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{ |
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static const struct { |
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int cmd_id; |
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const char *type; |
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} dev_ids[] = { |
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{ DPRTC_CMDID_OPEN, "dprtc" }, |
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{ DPRC_CMDID_OPEN, "dprc" }, |
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{ DPNI_CMDID_OPEN, "dpni" }, |
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{ DPIO_CMDID_OPEN, "dpio" }, |
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{ DPSW_CMDID_OPEN, "dpsw" }, |
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{ DPBP_CMDID_OPEN, "dpbp" }, |
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{ DPCON_CMDID_OPEN, "dpcon" }, |
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{ DPMCP_CMDID_OPEN, "dpmcp" }, |
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{ DPMAC_CMDID_OPEN, "dpmac" }, |
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{ DPSECI_CMDID_OPEN, "dpseci" }, |
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{ DPDMUX_CMDID_OPEN, "dpdmux" }, |
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{ DPDCEI_CMDID_OPEN, "dpdcei" }, |
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{ DPAIOP_CMDID_OPEN, "dpaiop" }, |
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{ DPCI_CMDID_OPEN, "dpci" }, |
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{ DPDMAI_CMDID_OPEN, "dpdmai" }, |
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{ DPDBG_CMDID_OPEN, "dpdbg" }, |
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{ 0, NULL } |
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}; |
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int i; |
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for (i = 0; dev_ids[i].type; i++) |
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if (!strcmp(dev_ids[i].type, type)) |
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return dev_ids[i].cmd_id; |
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return -1; |
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} |
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int fsl_mc_obj_open(struct fsl_mc_io *mc_io, |
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u32 cmd_flags, |
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int obj_id, |
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char *obj_type, |
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u16 *token) |
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{ |
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struct fsl_mc_command cmd = { 0 }; |
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struct fsl_mc_obj_cmd_open *cmd_params; |
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int err = 0; |
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int cmd_id = fsl_mc_get_open_cmd_id(obj_type); |
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if (cmd_id == -1) |
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return -ENODEV; |
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/* prepare command */ |
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cmd.header = mc_encode_cmd_header(cmd_id, cmd_flags, 0); |
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cmd_params = (struct fsl_mc_obj_cmd_open *)cmd.params; |
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cmd_params->obj_id = cpu_to_le32(obj_id); |
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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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*token = mc_cmd_hdr_read_token(&cmd); |
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return err; |
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} |
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EXPORT_SYMBOL_GPL(fsl_mc_obj_open); |
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int fsl_mc_obj_close(struct fsl_mc_io *mc_io, |
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u32 cmd_flags, |
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u16 token) |
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{ |
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struct fsl_mc_command cmd = { 0 }; |
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/* prepare command */ |
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cmd.header = mc_encode_cmd_header(OBJ_CMDID_CLOSE, cmd_flags, |
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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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EXPORT_SYMBOL_GPL(fsl_mc_obj_close); |
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int fsl_mc_obj_reset(struct fsl_mc_io *mc_io, |
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u32 cmd_flags, |
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u16 token) |
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{ |
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struct fsl_mc_command cmd = { 0 }; |
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/* prepare command */ |
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cmd.header = mc_encode_cmd_header(OBJ_CMDID_RESET, cmd_flags, |
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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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EXPORT_SYMBOL_GPL(fsl_mc_obj_reset);
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