1 // SPDX-License-Identifier: GPL-2.0
3  * Copyright 2020-2021 NXP
15 #include "vpu.h"
25 	if (!ops || !ops->check_memory_region)  in vpu_iface_check_memory_region()
28 	return ops->check_memory_region(core->fw.phys, addr, size);  in vpu_iface_check_memory_region()
37 	size = desc->end - desc->start;  in vpu_rpc_check_buffer_space()
39 		ptr1 = desc->wptr;  in vpu_rpc_check_buffer_space()
40 		ptr2 = desc->rptr;  in vpu_rpc_check_buffer_space()
42 		ptr1 = desc->rptr;  in vpu_rpc_check_buffer_space()
43 		ptr2 = desc->wptr;  in vpu_rpc_check_buffer_space()
53 	return (ptr2 + size - ptr1) % size;  in vpu_rpc_check_buffer_space()
64 	if (cmd->hdr.num > 0xff || cmd->hdr.num >= ARRAY_SIZE(cmd->data))  in vpu_rpc_send_cmd_buf()
65 		return -EINVAL;  in vpu_rpc_send_cmd_buf()
66 	desc = shared->cmd_desc;  in vpu_rpc_send_cmd_buf()
68 	if (space < (((cmd->hdr.num + 1) << 2) + 16))  in vpu_rpc_send_cmd_buf()
69 		return -EINVAL;  in vpu_rpc_send_cmd_buf()
70 	wptr = desc->wptr;  in vpu_rpc_send_cmd_buf()
71 	data = (u32 *)(shared->cmd_mem_vir + desc->wptr - desc->start);  in vpu_rpc_send_cmd_buf()
73 	*data |= ((cmd->hdr.index & 0xff) << 24);  in vpu_rpc_send_cmd_buf()
74 	*data |= ((cmd->hdr.num & 0xff) << 16);  in vpu_rpc_send_cmd_buf()
75 	*data |= (cmd->hdr.id & 0x3fff);  in vpu_rpc_send_cmd_buf()
78 	if (wptr >= desc->end) {  in vpu_rpc_send_cmd_buf()
79 		wptr = desc->start;  in vpu_rpc_send_cmd_buf()
80 		data = shared->cmd_mem_vir;  in vpu_rpc_send_cmd_buf()
83 	for (i = 0; i < cmd->hdr.num; i++) {  in vpu_rpc_send_cmd_buf()
84 		*data = cmd->data[i];  in vpu_rpc_send_cmd_buf()
87 		if (wptr >= desc->end) {  in vpu_rpc_send_cmd_buf()
88 			wptr = desc->start;  in vpu_rpc_send_cmd_buf()
89 			data = shared->cmd_mem_vir;  in vpu_rpc_send_cmd_buf()
95 	desc->wptr = wptr;  in vpu_rpc_send_cmd_buf()
107 	desc = shared->msg_desc;  in vpu_rpc_check_msg()
112 		msgword = *(u32 *)(shared->msg_mem_vir + desc->rptr - desc->start);  in vpu_rpc_check_msg()
130 		return -EINVAL;  in vpu_rpc_receive_msg_buf()
132 	desc = shared->msg_desc;  in vpu_rpc_receive_msg_buf()
133 	data = (u32 *)(shared->msg_mem_vir + desc->rptr - desc->start);  in vpu_rpc_receive_msg_buf()
134 	rptr = desc->rptr;  in vpu_rpc_receive_msg_buf()
138 	if (rptr >= desc->end) {  in vpu_rpc_receive_msg_buf()
139 		rptr = desc->start;  in vpu_rpc_receive_msg_buf()
140 		data = shared->msg_mem_vir;  in vpu_rpc_receive_msg_buf()
143 	msg->hdr.index = (msgword >> 24) & 0xff;  in vpu_rpc_receive_msg_buf()
144 	msg->hdr.num = (msgword >> 16) & 0xff;  in vpu_rpc_receive_msg_buf()
145 	msg->hdr.id = msgword & 0x3fff;  in vpu_rpc_receive_msg_buf()
147 	if (msg->hdr.num > ARRAY_SIZE(msg->data))  in vpu_rpc_receive_msg_buf()
148 		return -EINVAL;  in vpu_rpc_receive_msg_buf()
150 	for (i = 0; i < msg->hdr.num; i++) {  in vpu_rpc_receive_msg_buf()
151 		msg->data[i] = *data;  in vpu_rpc_receive_msg_buf()
154 		if (rptr >= desc->end) {  in vpu_rpc_receive_msg_buf()
155 			rptr = desc->start;  in vpu_rpc_receive_msg_buf()
156 			data = shared->msg_mem_vir;  in vpu_rpc_receive_msg_buf()
162 	desc->rptr = rptr;  in vpu_rpc_receive_msg_buf()
225 static struct vpu_iface_ops *vpu_get_iface(struct vpu_dev *vpu, enum vpu_core_type type)  in vpu_get_iface()  argument
230 	switch (vpu->res->plat_type) {  in vpu_get_iface()
232 	case IMX8QM:  in vpu_get_iface()
248 	return vpu_get_iface(core->vpu, core->type);  in vpu_core_get_iface()
253 	if (inst->core)  in vpu_inst_get_iface()
254 		return vpu_core_get_iface(inst->core);  in vpu_inst_get_iface()
256 	return vpu_get_iface(inst->vpu, inst->type);  in vpu_inst_get_iface()