1 files changed, 183 insertions, 0 deletions
diff --git a/drivers/mxc/xuvi/ppm.h b/drivers/mxc/xuvi/ppm.h
new file mode 100644
index 000000000000..a1e85cc9b909
--- /dev/null
+++ b/drivers/mxc/xuvi/ppm.h
@@ -0,0 +1,183 @@
+/*
+ * Copyright 2019-2020 NXP
+ */
+
+/*
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+/*!
+ * @file ppm.h
+ *
+ * copyright here may be changed later
+ *
+ *
+ */
+#ifndef __PPM_H__
+#define __PPM_H__
+
+#include <linux/slab.h>
+#include "media/demux.h"
+
+#define CONFIG_PROC_FS               1
+#include <linux/interrupt.h>
+#include <linux/mutex.h>
+#include <linux/workqueue.h>
+#include <linux/kfifo.h>
+#include <linux/wait.h>
+#include <linux/mailbox_client.h>
+
+#include "media/dvbdev.h"
+#include "media/dmxdev.h"
+#include "media/demux.h"
+#include "media/dvb_demux.h"
+#include "media/dvb_frontend.h"
+#include "media/dvb_net.h"
+
+#define VID_API_COMMAND_LIMIT    64
+#define PPM_MESSAGE_LIMIT    256
+#define MSG_WORD_LENGTH 3
+#define PPM_MAX_INSTANCE 2
+#define PPM_TS_188		0
+#define PPM_TS_204		1
+#define BUF_NUM 36
+#define BUF_SIZE (1*1024*1024)
+#define LOG_OFFSET (2*1024*1024)
+#define MSG_SIZE 4
+#define MU_CHANNEL 8
+#define PPM_WATCHDOG_INTERVAL_MS 1000
+
+#define M0FW_FILENAME "imx/xuvi/vpu_fw_imx8_xuvi.bin"
+
+enum {
+	INIT_DONE = 1,
+	RPC_BUF_OFFSET,
+	/*PRINT_BUF_OFFSET, */
+	BOOT_ADDRESS,
+	COMMAND,
+	EVENT,
+	BUF_TO = 16,
+	BUF_FROM,
+	ADD_PID,
+	RM_PID,
+	STOP,
+	HARD_FAULT,
+	DRAIN_DONE,
+	FLUSH_DONE,
+	SNAP_SHOT
+};
+
+struct event_msg {
+	u32 idx;
+	u32 msgnum;
+	u32 msgid;
+	u32 msgdata[MSG_SIZE];
+};
+
+struct ppm_buf_list {
+	struct list_head list;
+	void *vir;
+	u32 phy;
+	u32 size;
+};
+
+struct print_buf_desc {
+	u32 start_h_phy;
+	u32 start_h_vir;
+	u32 start_m;
+	u32 bytes;
+	u32 read;
+	u32 write;
+	char buffer[0];
+};
+
+struct xuvi_mu_chan {
+	struct ppm_dev *dev;
+	int idx;
+	struct mbox_client cl;
+	struct mbox_chan *ch;
+};
+
+struct ppm_ctx;
+struct ppm_dev {
+	struct device *generic_dev;
+	struct video_device *pppm_decoder_dev;
+	struct platform_device *plat_dev;
+	struct firmware *pfw;
+	void *fw_space_vir;
+	u32 fw_space_phy;
+	u32 boot_size;
+	struct mutex dev_mutex;
+	struct mutex dev_ins_mutex;
+	struct mutex cmd_mutex;
+	bool fw_is_ready;
+	bool fw_started;
+	struct completion fw_start_comp;
+	struct completion snap_done_comp;
+	struct delayed_work watchdog;
+	struct workqueue_struct *workqueue;
+	struct work_struct msg_work;
+	struct clk *ppm_clk;
+	struct ppm_buf_list bufs[BUF_NUM];
+	struct list_head buf_list;
+	struct mutex buf_list_lock;
+	struct ppm_buf_list out_bufs[BUF_NUM];
+	struct kfifo msg_fifo;
+
+	struct print_buf_desc *print_buf;
+
+	void __iomem *regs_base;
+	void __iomem *csr_base;
+	struct wait_queue_head buffer_wq;
+	struct ppm_ctx *ctx[PPM_MAX_INSTANCE];
+
+	bool suspend;
+
+	struct xuvi_mu_chan mu_chans[MU_CHANNEL];
+	struct device *pd_vpu;
+	struct device *pd_ts;
+	struct device *pd_mu;
+	struct device_link *pd_vpu_link;
+	struct device_link *pd_ts_link;
+	struct device_link *pd_mu_link;
+};
+
+struct ppm_ctx {
+	struct ppm_dev *dev;
+
+	/*    DVB stuff               */
+	struct dvb_adapter dvb_adapter;
+	struct dvb_frontend *fe;
+	struct dvb_demux demux;
+	struct dmxdev dmxdev;
+	struct dmx_frontend fe_hw;
+	struct dmx_frontend fe_mem;
+	struct dvb_net dvbnet;
+
+	int idx;
+	struct kfifo msg_fifo;
+	struct mutex instance_mutex;
+	struct work_struct instance_work;
+	struct workqueue_struct *instance_wq;
+	struct completion stop_comp;
+	struct completion eos_comp;
+	bool start_flag;
+	bool wait_abort_done;
+	bool wait_rst_done;
+	bool fw_stopped;
+	bool stop_start;
+	bool fw_finished;
+	bool eos_stop_received;
+	bool eos_stop_added;
+	bool ctx_released;
+	bool hang_status;
+	bool instance_activated;
+	u8 feeds;
+};
+
+#endif				// __PPM_H__ //