diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/dt-bindings/gce/mt8173-gce.h | 44 | ||||
| -rw-r--r-- | include/linux/mailbox/mtk-cmdq-mailbox.h | 77 | ||||
| -rw-r--r-- | include/linux/omap-mailbox.h | 5 |
3 files changed, 122 insertions, 4 deletions
diff --git a/include/dt-bindings/gce/mt8173-gce.h b/include/dt-bindings/gce/mt8173-gce.h new file mode 100644 index 000000000000..ffcf94ba96c6 --- /dev/null +++ b/include/dt-bindings/gce/mt8173-gce.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2018 MediaTek Inc. + * Author: Houlong Wei <houlong.wei@mediatek.com> + * + */ + +#ifndef _DT_BINDINGS_GCE_MT8173_H +#define _DT_BINDINGS_GCE_MT8173_H + +/* GCE HW thread priority */ +#define CMDQ_THR_PRIO_LOWEST 0 +#define CMDQ_THR_PRIO_HIGHEST 1 + +/* GCE SUBSYS */ +#define SUBSYS_1400XXXX 1 +#define SUBSYS_1401XXXX 2 +#define SUBSYS_1402XXXX 3 + +/* GCE HW EVENT */ +#define CMDQ_EVENT_DISP_OVL0_SOF 11 +#define CMDQ_EVENT_DISP_OVL1_SOF 12 +#define CMDQ_EVENT_DISP_RDMA0_SOF 13 +#define CMDQ_EVENT_DISP_RDMA1_SOF 14 +#define CMDQ_EVENT_DISP_RDMA2_SOF 15 +#define CMDQ_EVENT_DISP_WDMA0_SOF 16 +#define CMDQ_EVENT_DISP_WDMA1_SOF 17 +#define CMDQ_EVENT_DISP_OVL0_EOF 39 +#define CMDQ_EVENT_DISP_OVL1_EOF 40 +#define CMDQ_EVENT_DISP_RDMA0_EOF 41 +#define CMDQ_EVENT_DISP_RDMA1_EOF 42 +#define CMDQ_EVENT_DISP_RDMA2_EOF 43 +#define CMDQ_EVENT_DISP_WDMA0_EOF 44 +#define CMDQ_EVENT_DISP_WDMA1_EOF 45 +#define CMDQ_EVENT_MUTEX0_STREAM_EOF 53 +#define CMDQ_EVENT_MUTEX1_STREAM_EOF 54 +#define CMDQ_EVENT_MUTEX2_STREAM_EOF 55 +#define CMDQ_EVENT_MUTEX3_STREAM_EOF 56 +#define CMDQ_EVENT_MUTEX4_STREAM_EOF 57 +#define CMDQ_EVENT_DISP_RDMA0_UNDERRUN 63 +#define CMDQ_EVENT_DISP_RDMA1_UNDERRUN 64 +#define CMDQ_EVENT_DISP_RDMA2_UNDERRUN 65 + +#endif diff --git a/include/linux/mailbox/mtk-cmdq-mailbox.h b/include/linux/mailbox/mtk-cmdq-mailbox.h new file mode 100644 index 000000000000..ccb73422c2fa --- /dev/null +++ b/include/linux/mailbox/mtk-cmdq-mailbox.h @@ -0,0 +1,77 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2018 MediaTek Inc. + * + */ + +#ifndef __MTK_CMDQ_MAILBOX_H__ +#define __MTK_CMDQ_MAILBOX_H__ + +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/types.h> + +#define CMDQ_INST_SIZE 8 /* instruction is 64-bit */ +#define CMDQ_SUBSYS_SHIFT 16 +#define CMDQ_OP_CODE_SHIFT 24 +#define CMDQ_JUMP_PASS CMDQ_INST_SIZE + +#define CMDQ_WFE_UPDATE BIT(31) +#define CMDQ_WFE_WAIT BIT(15) +#define CMDQ_WFE_WAIT_VALUE 0x1 + +/* + * CMDQ_CODE_MASK: + * set write mask + * format: op mask + * CMDQ_CODE_WRITE: + * write value into target register + * format: op subsys address value + * CMDQ_CODE_JUMP: + * jump by offset + * format: op offset + * CMDQ_CODE_WFE: + * wait for event and clear + * it is just clear if no wait + * format: [wait] op event update:1 to_wait:1 wait:1 + * [clear] op event update:1 to_wait:0 wait:0 + * CMDQ_CODE_EOC: + * end of command + * format: op irq_flag + */ +enum cmdq_code { + CMDQ_CODE_MASK = 0x02, + CMDQ_CODE_WRITE = 0x04, + CMDQ_CODE_JUMP = 0x10, + CMDQ_CODE_WFE = 0x20, + CMDQ_CODE_EOC = 0x40, +}; + +enum cmdq_cb_status { + CMDQ_CB_NORMAL = 0, + CMDQ_CB_ERROR +}; + +struct cmdq_cb_data { + enum cmdq_cb_status sta; + void *data; +}; + +typedef void (*cmdq_async_flush_cb)(struct cmdq_cb_data data); + +struct cmdq_task_cb { + cmdq_async_flush_cb cb; + void *data; +}; + +struct cmdq_pkt { + void *va_base; + dma_addr_t pa_base; + size_t cmd_buf_size; /* command occupied size */ + size_t buf_size; /* real buffer size */ + struct cmdq_task_cb cb; + struct cmdq_task_cb async_cb; + void *cl; +}; + +#endif /* __MTK_CMDQ_MAILBOX_H__ */ diff --git a/include/linux/omap-mailbox.h b/include/linux/omap-mailbox.h index c726bd833761..6dbcd2da0332 100644 --- a/include/linux/omap-mailbox.h +++ b/include/linux/omap-mailbox.h @@ -1,9 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * omap-mailbox: interprocessor communication module for OMAP - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef OMAP_MAILBOX_H |