This patch adds communication with the co-processor on the SoC through the SCP driver. It supports bi-directional command based to exchange data and flow control.
Signed-off-by: Jungo Lin <jungo....@mediatek.com> --- This patch dependents on "Add support for mt8183 SCP"[1]. [1] https://patchwork.kernel.org/cover/10872547/ --- --- .../platform/mtk-isp/isp_50/cam/mtk_cam-scp.c | 488 +++++++++++++++++++++ .../platform/mtk-isp/isp_50/cam/mtk_cam-scp.h | 215 +++++++++ 2 files changed, 703 insertions(+) create mode 100644 drivers/media/platform/mtk-isp/isp_50/cam/mtk_cam-scp.c create mode 100644 drivers/media/platform/mtk-isp/isp_50/cam/mtk_cam-scp.h diff --git a/drivers/media/platform/mtk-isp/isp_50/cam/mtk_cam-scp.c b/drivers/media/platform/mtk-isp/isp_50/cam/mtk_cam-scp.c new file mode 100644 index 0000000..be5fd36 --- /dev/null +++ b/drivers/media/platform/mtk-isp/isp_50/cam/mtk_cam-scp.c @@ -0,0 +1,488 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2018 MediaTek Inc. + * Author: Seraph Huang <seraph.hu...@mediatek.com> + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/atomic.h> +#include <linux/kthread.h> +#include <linux/platform_data/mtk_scp.h> +#include <linux/remoteproc.h> +#include <linux/sched.h> +#include <linux/spinlock.h> +#include <linux/types.h> +#include <linux/vmalloc.h> + +#include "mtk_cam.h" + +static int isp_composer_dma_sg_init(struct mtk_isp_p1_ctx *isp_ctx) +{ + struct isp_p1_device *p1_dev = p1_ctx_to_dev(isp_ctx); + struct device *dev = &p1_dev->pdev->dev; + phys_addr_t scp_mem_va; + u32 size, size_align; + struct sg_table *sgt; + struct page **pages; + unsigned int n_pages, i; + int ret; + + scp_mem_va = scp_get_reserve_mem_virt(SCP_ISP_MEM_ID); + isp_ctx->scp_mem_pa = scp_get_reserve_mem_phys(SCP_ISP_MEM_ID); + size = scp_get_reserve_mem_size(SCP_ISP_MEM_ID); + + dev_dbg(dev, "isp scp mem: va:0x%llx, pa:0x%llx sz:0x%x\n", + scp_mem_va, isp_ctx->scp_mem_pa, size); + + if (scp_mem_va != 0 && size > 0) + memset((void *)scp_mem_va, 0, size); + + /* get iova address */ + sgt = &isp_ctx->sgtable; + sg_alloc_table(sgt, 1, GFP_KERNEL); + + size_align = round_up(size, PAGE_SIZE); + n_pages = size_align >> PAGE_SHIFT; + + pages = kmalloc_array(n_pages, sizeof(struct page *), + GFP_KERNEL); + if (!pages) + goto fail_pages_alloc; + + for (i = 0; i < n_pages; i++) + pages[i] = phys_to_page(isp_ctx->scp_mem_pa + i * PAGE_SIZE); + + ret = sg_alloc_table_from_pages(sgt, pages, n_pages, + 0, size_align, GFP_KERNEL); + if (ret) { + dev_err(dev, "failed to allocate sg table:%d\n", ret); + goto fail_table_alloc; + } + sgt->nents = dma_map_sg_attrs(dev, sgt->sgl, sgt->orig_nents, + DMA_BIDIRECTIONAL, + DMA_ATTR_SKIP_CPU_SYNC); + if (!sgt->nents) { + dev_err(dev, "failed to dma sg map\n"); + goto fail_map; + } + + isp_ctx->scp_mem_iova = sg_dma_address(sgt->sgl); + + return 0; + +fail_map: + sg_free_table(sgt); +fail_table_alloc: + while (n_pages--) + __free_page(pages[n_pages]); +fail_pages_alloc: + kfree(pages); + return -ENOMEM; +} + +static void isp_composer_deinit(struct mtk_isp_p1_ctx *isp_ctx) +{ + struct isp_p1_device *p1_dev = p1_ctx_to_dev(isp_ctx); + struct mtk_isp_queue_work *ipi_job, *tmp_ipi_job; + + list_for_each_entry_safe(ipi_job, tmp_ipi_job, + &isp_ctx->composer_txlist.queue, + list_entry) { + list_del(&ipi_job->list_entry); + kfree(ipi_job); + atomic_dec(&isp_ctx->composer_txlist.queue_cnt); + } + + atomic_set(&isp_ctx->ipi_occupied, 0); + atomic_set(&isp_ctx->composing_frame, 0); + atomic_set(&isp_ctx->scp_state, SCP_STATE_INVALID); + mutex_destroy(&isp_ctx->composer_tx_lock); + + dma_unmap_sg_attrs(&p1_dev->pdev->dev, isp_ctx->sgtable.sgl, + isp_ctx->sgtable.orig_nents, + DMA_BIDIRECTIONAL, DMA_ATTR_SKIP_CPU_SYNC); + sg_free_table(&isp_ctx->sgtable); + + if (!IS_ERR(isp_ctx->composer_tx_thread.thread)) { + kthread_stop(isp_ctx->composer_tx_thread.thread); + wake_up_interruptible(&isp_ctx->composer_tx_thread.wq); + isp_ctx->composer_tx_thread.thread = NULL; + } + + isp_ctx->composer_deinit_donecb(isp_ctx); +} + +/* + * Two kinds of flow control in isp_composer_tx_work. + * + * Case 1: IPI commands flow control. The maximum number of command queues is 3. + * There are two types of IPI commands (SCP_ISP_CMD/SCP_ISP_FRAME) in P1 driver. + * It is controlled by ipi_occupied. + * The priority of SCP_ISP_CMD is higher than SCP_ISP_FRAME. + * + * Case 2: Frame buffers flow control. The maximum number of frame buffers is 3. + * It is controlled by composing_frame. + * Frame buffer is sent by SCP_ISP_FRAME command. + */ +static int isp_composer_tx_work(void *data) +{ + struct mtk_isp_p1_ctx *isp_ctx = (struct mtk_isp_p1_ctx *)data; + struct isp_p1_device *p1_dev = p1_ctx_to_dev(isp_ctx); + struct device *dev = &p1_dev->pdev->dev; + struct mtk_isp_queue_work *isp_composer_work, *tmp_ipi_job; + struct isp_queue *composer_txlist = &isp_ctx->composer_txlist; + int ret; + + while (1) { + ret = wait_event_interruptible + (isp_ctx->composer_tx_thread.wq, + (atomic_read(&composer_txlist->queue_cnt) > 0 && + atomic_read(&isp_ctx->ipi_occupied) < 4 && + atomic_read(&isp_ctx->composing_frame) < 3) || + atomic_read(&isp_ctx->cmd_queued) > 0 || + kthread_should_stop()); + + if (kthread_should_stop()) + break; + + if (ret == ERESTARTSYS) { + dev_err(dev, "interrupted by a signal!\n"); + continue; + } + + spin_lock(&composer_txlist->lock); + if (atomic_read(&isp_ctx->cmd_queued) > 0) { + list_for_each_entry_safe(isp_composer_work, tmp_ipi_job, + &composer_txlist->queue, + list_entry) { + if (isp_composer_work->type == SCP_ISP_CMD) { + dev_dbg(dev, "Found a cmd\n"); + break; + } + } + } else { + if (atomic_read(&isp_ctx->composing_frame) >= + ISP_FRAME_COMPOSING_MAX_NUM) { + spin_unlock(&composer_txlist->lock); + continue; + } + isp_composer_work = + list_first_entry_or_null + (&composer_txlist->queue, + struct mtk_isp_queue_work, + list_entry); + } + + list_del(&isp_composer_work->list_entry); + atomic_dec(&composer_txlist->queue_cnt); + spin_unlock(&composer_txlist->lock); + + if (atomic_read(&isp_ctx->scp_state) == SCP_STATE_INVALID) { + dev_err(dev, + "ignore IPI type: %d, SCP state %d!\n", + isp_composer_work->type, + atomic_read(&isp_ctx->scp_state)); + kfree(isp_composer_work); + continue; + } + if (isp_composer_work->type == SCP_ISP_CMD) { + mutex_lock(&isp_ctx->composer_tx_lock); + scp_ipi_send + (p1_dev->scp_pdev, + SCP_IPI_ISP_CMD, + &isp_composer_work->cmd, + sizeof(isp_composer_work->cmd), + 0); + mutex_unlock(&isp_ctx->composer_tx_lock); + atomic_dec(&isp_ctx->cmd_queued); + atomic_inc(&isp_ctx->ipi_occupied); + dev_dbg(dev, + "%s cmd id %d sent, %d ipi buf occupied", + __func__, + isp_composer_work->cmd.cmd_id, + atomic_read(&isp_ctx->ipi_occupied)); + } else if (isp_composer_work->type == SCP_ISP_FRAME) { + mutex_lock(&isp_ctx->composer_tx_lock); + scp_ipi_send + (p1_dev->scp_pdev, + SCP_IPI_ISP_FRAME, + &isp_composer_work->frameparams, + sizeof(isp_composer_work->frameparams), + 0); + mutex_unlock(&isp_ctx->composer_tx_lock); + atomic_inc(&isp_ctx->ipi_occupied); + atomic_inc(&isp_ctx->composing_frame); + dev_dbg(dev, + "%s frame %d sent, %d ipi, %d CQ bufs occupied", + __func__, + isp_composer_work->frameparams.frame_seq_no, + atomic_read(&isp_ctx->ipi_occupied), + atomic_read(&isp_ctx->composing_frame)); + } else { + dev_err(dev, + "ignore IPI type: %d!\n", + isp_composer_work->type); + kfree(isp_composer_work); + continue; + } + kfree(isp_composer_work); + } + return ret; +} + +static int isp_composer_rx_work(void *data) +{ + struct mtk_isp_p1_ctx *isp_ctx = (struct mtk_isp_p1_ctx *)data; + struct isp_p1_device *p1_dev = p1_ctx_to_dev(data); + struct device *dev = &p1_dev->pdev->dev; + struct mtk_isp_scp_p1_cmd ipi_msg; + int ret; + unsigned int ipi_queue_occupied, i; + unsigned long flags; + atomic_t *evts_end = &isp_ctx->composer_evts_end; + atomic_t *evts_start = &isp_ctx->composer_evts_start; + u8 ack_cmd_id; + + while (1) { + ret = wait_event_interruptible(isp_ctx->composer_rx_thread.wq, + (atomic_read(evts_end) != + atomic_read(evts_start)) || + kthread_should_stop()); + + if (kthread_should_stop()) + break; + + if (ret == ERESTARTSYS) { + dev_err(dev, "interrupted by a signal!\n"); + continue; + } + + spin_lock_irqsave(&isp_ctx->composer_evts_lock, flags); + i = atomic_read(evts_start); + memcpy(&ipi_msg, + &isp_ctx->composer_evts[i], + sizeof(struct mtk_isp_scp_p1_cmd)); + atomic_set(evts_start, ++i & 0x3); + spin_unlock_irqrestore(&isp_ctx->composer_evts_lock, flags); + + switch (ipi_msg.cmd_id) { + case ISP_CMD_SCP_STATE: + atomic_set(&isp_ctx->scp_state, + ipi_msg.cmd_data[0]); + break; + case ISP_CMD_ACK: + ipi_queue_occupied = + atomic_dec_return(&isp_ctx->ipi_occupied); + if (ipi_queue_occupied >= ISP_COMPOSING_MAX_NUM) + wake_up_interruptible + (&isp_ctx->composer_tx_thread.wq); + + ack_cmd_id = ipi_msg.ack_info.cmd_id; + if (ack_cmd_id == ISP_CMD_FRAME_ACK) { + dev_dbg(dev, + "%s frame %d ack\n", + __func__, + ipi_msg.ack_info.frame_seq_no); + atomic_set(&isp_ctx->composed_frame_id, + ipi_msg.ack_info.frame_seq_no); + } else { + dev_dbg(dev, "%s cmd id: %d", + __func__, + ack_cmd_id); + if (ack_cmd_id == ISP_CMD_DEINIT) { + isp_composer_deinit(isp_ctx); + isp_ctx->composer_rx_thread.thread = + NULL; + return -1; + } + } + break; + default: + break; + }; + } + return ret; +} + +static void isp_composer_handler(void *data, unsigned int len, void *priv) +{ + struct mtk_isp_p1_ctx *isp_ctx; + struct mtk_isp_scp_p1_cmd *ipi_msg_ptr; + unsigned long flags; + unsigned int i; + + ipi_msg_ptr = (struct mtk_isp_scp_p1_cmd *)data; + isp_ctx = (struct mtk_isp_p1_ctx *)priv; + + spin_lock_irqsave(&isp_ctx->composer_evts_lock, flags); + i = atomic_read(&isp_ctx->composer_evts_end); + memcpy(&isp_ctx->composer_evts[i], data, + sizeof(struct mtk_isp_scp_p1_cmd)); + atomic_set(&isp_ctx->composer_evts_end, ++i & 0x3); + spin_unlock_irqrestore(&isp_ctx->composer_evts_lock, flags); + + wake_up_interruptible(&isp_ctx->composer_rx_thread.wq); +} + +int isp_composer_init(struct mtk_isp_p1_ctx *isp_ctx) +{ + struct isp_p1_device *p1_dev = p1_ctx_to_dev(isp_ctx); + struct device *dev = &p1_dev->pdev->dev; + int ret; + + atomic_set(&isp_ctx->scp_state, SCP_STATE_INVALID); + + ret = scp_ipi_register(p1_dev->scp_pdev, + SCP_IPI_ISP_CMD, + isp_composer_handler, + isp_ctx); + if (ret) + return ret; + + if (!isp_ctx->composer_tx_thread.thread) { + mutex_init(&isp_ctx->composer_tx_lock); + init_waitqueue_head(&isp_ctx->composer_tx_thread.wq); + INIT_LIST_HEAD(&isp_ctx->composer_txlist.queue); + spin_lock_init(&isp_ctx->composer_txlist.lock); + isp_ctx->composer_tx_thread.thread = + kthread_run(isp_composer_tx_work, (void *)isp_ctx, + "isp_composer_tx"); + if (IS_ERR(isp_ctx->composer_tx_thread.thread)) { + dev_err(dev, "unable to start kthread\n"); + isp_ctx->composer_tx_thread.thread = NULL; + return -ENOMEM; + } + } + atomic_set(&isp_ctx->composer_txlist.queue_cnt, 0); + + if (!isp_ctx->composer_rx_thread.thread) { + init_waitqueue_head(&isp_ctx->composer_rx_thread.wq); + isp_ctx->composer_rx_thread.thread = + kthread_run(isp_composer_rx_work, (void *)isp_ctx, + "isp_composer_rx"); + if (IS_ERR(isp_ctx->composer_rx_thread.thread)) { + dev_err(dev, "unable to start kthread\n"); + isp_ctx->composer_rx_thread.thread = NULL; + return -ENOMEM; + } + } + + atomic_set(&isp_ctx->composer_evts_start, 0); + atomic_set(&isp_ctx->composer_evts_end, 0); + spin_lock_init(&isp_ctx->composer_evts_lock); + + atomic_set(&isp_ctx->ipi_occupied, 0); + atomic_set(&isp_ctx->composing_frame, 0); + atomic_set(&isp_ctx->scp_state, SCP_STATE_BOOTING); + atomic_set(&isp_ctx->cmd_queued, 0); + + return 0; +} + +void isp_composer_enqueue(struct mtk_isp_p1_ctx *isp_ctx, + void *data, + enum mtk_isp_scp_ipi_type type) +{ + struct mtk_isp_queue_work *isp_composer_work; + struct isp_p1_device *p1_dev = p1_ctx_to_dev(isp_ctx); + struct device *dev = &p1_dev->pdev->dev; + + isp_composer_work = kzalloc(sizeof(*isp_composer_work), GFP_KERNEL); + isp_composer_work->type = type; + switch (type) { + case SCP_ISP_CMD: + memcpy(&isp_composer_work->cmd, data, + sizeof(isp_composer_work->cmd)); + + spin_lock(&isp_ctx->composer_txlist.lock); + list_add_tail(&isp_composer_work->list_entry, + &isp_ctx->composer_txlist.queue); + atomic_inc(&isp_ctx->composer_txlist.queue_cnt); + spin_unlock(&isp_ctx->composer_txlist.lock); + + dev_dbg(dev, "Enq ipi cmd id:%d\n", + isp_composer_work->cmd.cmd_id); + atomic_inc(&isp_ctx->cmd_queued); + wake_up_interruptible(&isp_ctx->composer_tx_thread.wq); + break; + case SCP_ISP_FRAME: + memcpy(&isp_composer_work->frameparams, data, + sizeof(isp_composer_work->frameparams)); + + spin_lock(&isp_ctx->composer_txlist.lock); + list_add_tail(&isp_composer_work->list_entry, + &isp_ctx->composer_txlist.queue); + atomic_inc(&isp_ctx->composer_txlist.queue_cnt); + spin_unlock(&isp_ctx->composer_txlist.lock); + + dev_dbg(dev, "Enq ipi frame_num:%d\n", + isp_composer_work->frameparams.frame_seq_no); + wake_up_interruptible(&isp_ctx->composer_tx_thread.wq); + break; + default: + break; + } +} + +int isp_composer_hw_init(struct mtk_isp_p1_ctx *isp_ctx) +{ + struct img_buffer frameparam; + struct mtk_isp_scp_p1_cmd composer_tx_cmd; + int ret; + + ret = isp_composer_dma_sg_init(isp_ctx); + if (ret) + return ret; + + frameparam.scp_addr = isp_ctx->scp_mem_pa; + frameparam.iova = isp_ctx->scp_mem_iova; + + composer_tx_cmd.cmd_id = ISP_CMD_INIT; + composer_tx_cmd.frameparam.hw_module = isp_ctx->isp_hw_module; + memcpy(&composer_tx_cmd.frameparam.cq_addr, &frameparam, + sizeof(struct img_buffer)); + isp_composer_enqueue(isp_ctx, &composer_tx_cmd, SCP_ISP_CMD); + + return 0; +} + +void isp_composer_hw_config(struct mtk_isp_p1_ctx *isp_ctx, + struct p1_config_param *config_param) +{ + struct mtk_isp_scp_p1_cmd composer_tx_cmd; + + memset(&composer_tx_cmd, 0, sizeof(composer_tx_cmd)); + composer_tx_cmd.cmd_id = ISP_CMD_CONFIG; + memcpy(&composer_tx_cmd.cmd_data[0], config_param, + sizeof(struct p1_config_param)); + isp_composer_enqueue(isp_ctx, &composer_tx_cmd, SCP_ISP_CMD); +} + +void isp_composer_stream(struct mtk_isp_p1_ctx *isp_ctx, int on) +{ + struct mtk_isp_scp_p1_cmd composer_tx_cmd; + + memset(&composer_tx_cmd, 0, sizeof(composer_tx_cmd)); + composer_tx_cmd.cmd_id = ISP_CMD_STREAM; + memcpy(&composer_tx_cmd.cmd_data[0], &on, sizeof(on)); + isp_composer_enqueue(isp_ctx, &composer_tx_cmd, SCP_ISP_CMD); +} + +void isp_composer_hw_deinit(struct mtk_isp_p1_ctx *isp_ctx, + void (*donecb)(void *data)) +{ + struct mtk_isp_scp_p1_cmd composer_tx_cmd; + + memset(&composer_tx_cmd, 0, sizeof(composer_tx_cmd)); + composer_tx_cmd.cmd_id = ISP_CMD_DEINIT; + isp_ctx->composer_deinit_donecb = donecb; + isp_composer_enqueue(isp_ctx, &composer_tx_cmd, SCP_ISP_CMD); +} diff --git a/drivers/media/platform/mtk-isp/isp_50/cam/mtk_cam-scp.h b/drivers/media/platform/mtk-isp/isp_50/cam/mtk_cam-scp.h new file mode 100644 index 0000000..abc34e7 --- /dev/null +++ b/drivers/media/platform/mtk-isp/isp_50/cam/mtk_cam-scp.h @@ -0,0 +1,215 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2018 MediaTek Inc. + * Author: Seraph Huang <seraph.hu...@mediatek.com> + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _MTK_ISP_SCP_H +#define _MTK_ISP_SCP_H + +#include <linux/platform_data/mtk_scp.h> +#include <linux/remoteproc.h> +#include <linux/types.h> + +#define MAX_IMG_DMA_PORT 2 +#define MAX_META_DMA_PORT 8 +#define MAX_META_DMA_NODES 4 + +/* describes the maximum size of a payload */ +#define MTK_IPI_CMD_SIZE 272 + +/* + * struct img_size - image size information. + * + * @w: image width, the unit is pixel + * @h: image height, the unit is pixel + * @xsize: bytes per line based on width. + * @stride: bytes per line when changing line. + * Normally, calculate new STRIDE based on + * xsize + HW constrain(page or align). + * + */ +struct img_size { + __u32 w; + __u32 h; + __u32 xsize; + __u32 stride; +} __packed; + +/* + * struct img_buffer - buffer address information. + * + * @iova: DMA address for external devices. + * @scp_addr: SCP address for external co-process unit. + * + */ +struct img_buffer { + __u32 iova; + __u32 scp_addr; +} __packed; + +struct p1_img_crop { + __u32 left; + __u32 top; + __u32 width; + __u32 height; +} __packed; + +struct p1_img_output { + struct img_buffer buffer; + struct img_size size; + struct p1_img_crop crop; + __u8 pixel_byte; + __u32 img_fmt; +} __packed; + +/* + * struct cfg_in_param - image input parameters structure. + * Normally, it comes from sensor information. + * + * @continuous: indicate the sensor mode. + * 1: continuous + * 0: single + * @subsample: indicate to enables SOF subsample or not. + * @pixel_mode: describe 1/2/4 pixels per clock cycle. + * @data_pattern: describe input data pattern. + * @raw_pixel_id: bayer sequence. + * @tg_fps: the fps rate of TG (time generator). + * @img_fmt: the image format of input source. + * @p1_img_crop: the crop configuration of input source. + * + */ +struct cfg_in_param { + __u8 continuous; + __u8 subsample; + __u8 pixel_mode; + __u8 data_pattern; + __u8 raw_pixel_id; + __u16 tg_fps; + __u32 img_fmt; + struct p1_img_crop crop; +} __packed; + +/* + * struct cfg_main_out_param - the image output parameters of main stream. + * + * @bypass: indicate this device is enabled or disabled or not . + * @pure_raw: indicate the image path control. + * 1: pure raw + * 0: processing raw + * @pure_raw_pack: indicate the image is packed or not. + * 1: packed mode + * 0: unpacked mode + * @p1_img_output: the output image information. + * + */ +struct cfg_main_out_param { + /* Bypass main out parameters */ + __u8 bypass; + /* Control HW image raw path */ + __u8 pure_raw; + /* Control HW image pack function */ + __u8 pure_raw_pack; + struct p1_img_output output; +} __packed; + +/* + * struct cfg_resize_out_param - the image output parameters of + * packed out stream. + * + * @bypass: indicate this device is enabled or disabled or not . + * @p1_img_output: the output image information. + * + */ +struct cfg_resize_out_param { + /* Bypass resize parameters */ + __u8 bypass; + struct p1_img_output output; +} __packed; + +/* + * struct cfg_meta_out_param - output meta information. + * + * @enabled_meta_dmas: indicate which meta DMAs are enabled. + * + */ +struct cfg_meta_out_param { + __u32 enabled_meta_dmas; +} __packed; + +struct p1_config_param { + /* Sensor/TG info */ + struct cfg_in_param cfg_in_param; + /* IMGO DMA */ + struct cfg_main_out_param cfg_main_param; + /* RRZO DMA */ + struct cfg_resize_out_param cfg_resize_param; + /* 3A DMAs and other. */ + struct cfg_meta_out_param cfg_meta_param; +} __packed; + +struct p1_frame_param { + /* frame sequence number */ + __u32 frame_seq_no; + /* SOF index */ + __u32 sof_idx; + /* The memory address of tuning buffer from user space */ + struct img_buffer tuning_addr; + struct p1_img_output img_dma_buffers[MAX_IMG_DMA_PORT]; + struct img_buffer meta_addrs[MAX_META_DMA_NODES]; +} __packed; + +struct isp_init_info { + __u8 hw_module; + struct img_buffer cq_addr; +} __packed; + +struct isp_ack_info { + __u8 cmd_id; + __u32 frame_seq_no; +} __packed; + +enum mtk_isp_scp_CMD { + ISP_CMD_INIT, + ISP_CMD_CONFIG, + ISP_CMD_STREAM, + ISP_CMD_DEINIT, + ISP_CMD_ACK, + ISP_CMD_SCP_STATE, + ISP_CMD_FRAME_ACK, + ISP_CMD_RESERVED, +}; + +struct mtk_isp_scp_p1_cmd { + __u8 cmd_id; + __u64 drv_data; + union { + struct isp_init_info frameparam; + struct p1_config_param config_param; + __u8 cmd_data[MTK_IPI_CMD_SIZE - sizeof(__u8) - sizeof(__u64)]; + __u8 is_stream_on; + struct isp_ack_info ack_info; + }; +} __packed; + +enum mtk_isp_scp_p1_state { + SCP_STATE_INVALID = 0, + SCP_STATE_BOOTING, + SCP_STATE_RBREADY, +}; + +struct isp_scp_p1_param { + struct list_head list_entry; + struct mtk_isp_scp_p1_cmd cmd; +}; + +#endif /* _MTK_ISP_SCP_H */ -- 1.9.1
