Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 196 insertions, 0 deletions

diff --git a/drivers/media/pci/tw5864/tw5864.h b/drivers/media/pci/tw5864/tw5864.h
new file mode 100644
index 000000000..a8b6fbd5b
--- /dev/null
+++ b/drivers/media/pci/tw5864/tw5864.h
@@ -0,0 +1,196 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ *  TW5864 driver  - common header file
+ *
+ *  Copyright (C) 2016 Bluecherry, LLC <maintainers@bluecherrydvr.com>
+ */
+
+#include <linux/pci.h>
+#include <linux/videodev2.h>
+#include <linux/notifier.h>
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+
+#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/videobuf2-dma-sg.h>
+
+#include "tw5864-reg.h"
+
+#define PCI_DEVICE_ID_TECHWELL_5864 0x5864
+
+#define TW5864_NORMS V4L2_STD_ALL
+
+/* ----------------------------------------------------------- */
+/* card configuration   */
+
+#define TW5864_INPUTS 4
+
+/* The TW5864 uses 192 (16x12) detection cells in full screen for motion
+ * detection. Each detection cell is composed of 44 pixels and 20 lines for
+ * NTSC and 24 lines for PAL.
+ */
+#define MD_CELLS_HOR 16
+#define MD_CELLS_VERT 12
+#define MD_CELLS (MD_CELLS_HOR * MD_CELLS_VERT)
+
+#define H264_VLC_BUF_SIZE 0x80000
+#define H264_MV_BUF_SIZE 0x2000 /* device writes 5396 bytes */
+#define QP_VALUE 28
+#define MAX_GOP_SIZE 255
+#define GOP_SIZE MAX_GOP_SIZE
+
+enum resolution {
+	D1 = 1,
+	HD1 = 2, /* half d1 - 360x(240|288) */
+	CIF = 3,
+	QCIF = 4,
+};
+
+/* ----------------------------------------------------------- */
+/* device / file handle status                                 */
+
+struct tw5864_dev; /* forward delclaration */
+
+/* buffer for one video/vbi/ts frame */
+struct tw5864_buf {
+	struct vb2_v4l2_buffer vb;
+	struct list_head list;
+
+	unsigned int size;
+};
+
+struct tw5864_dma_buf {
+	void *addr;
+	dma_addr_t dma_addr;
+};
+
+enum tw5864_vid_std {
+	STD_NTSC = 0, /* NTSC (M) */
+	STD_PAL = 1, /* PAL (B, D, G, H, I) */
+	STD_SECAM = 2, /* SECAM */
+	STD_NTSC443 = 3, /* NTSC4.43 */
+	STD_PAL_M = 4, /* PAL (M) */
+	STD_PAL_CN = 5, /* PAL (CN) */
+	STD_PAL_60 = 6, /* PAL 60 */
+	STD_INVALID = 7,
+	STD_AUTO = 7,
+};
+
+struct tw5864_input {
+	int nr; /* input number */
+	struct tw5864_dev *root;
+	struct mutex lock; /* used for vidq and vdev */
+	spinlock_t slock; /* used for sync between ISR, tasklet & V4L2 API */
+	struct video_device vdev;
+	struct v4l2_ctrl_handler hdl;
+	struct vb2_queue vidq;
+	struct list_head active;
+	enum resolution resolution;
+	unsigned int width, height;
+	unsigned int frame_seqno;
+	unsigned int frame_gop_seqno;
+	unsigned int h264_idr_pic_id;
+	int enabled;
+	enum tw5864_vid_std std;
+	v4l2_std_id v4l2_std;
+	int tail_nb_bits;
+	u8 tail;
+	u8 *buf_cur_ptr;
+	int buf_cur_space_left;
+
+	u32 reg_interlacing;
+	u32 reg_vlc;
+	u32 reg_dsp_codec;
+	u32 reg_dsp;
+	u32 reg_emu;
+	u32 reg_dsp_qp;
+	u32 reg_dsp_ref_mvp_lambda;
+	u32 reg_dsp_i4x4_weight;
+	u32 buf_id;
+
+	struct tw5864_buf *vb;
+
+	struct v4l2_ctrl *md_threshold_grid_ctrl;
+	u16 md_threshold_grid_values[12 * 16];
+	int qp;
+	int gop;
+
+	/*
+	 * In (1/MAX_FPS) units.
+	 * For max FPS (default), set to 1.
+	 * For 1 FPS, set to e.g. 32.
+	 */
+	int frame_interval;
+	unsigned long new_frame_deadline;
+};
+
+struct tw5864_h264_frame {
+	struct tw5864_dma_buf vlc;
+	struct tw5864_dma_buf mv;
+	int vlc_len;
+	u32 checksum;
+	struct tw5864_input *input;
+	u64 timestamp;
+	unsigned int seqno;
+	unsigned int gop_seqno;
+};
+
+/* global device status */
+struct tw5864_dev {
+	spinlock_t slock; /* used for sync between ISR, tasklet & V4L2 API */
+	struct v4l2_device v4l2_dev;
+	struct tw5864_input inputs[TW5864_INPUTS];
+#define H264_BUF_CNT 4
+	struct tw5864_h264_frame h264_buf[H264_BUF_CNT];
+	int h264_buf_r_index;
+	int h264_buf_w_index;
+
+	struct tasklet_struct tasklet;
+
+	int encoder_busy;
+	/* Input number to check next for ready raw picture (in RR fashion) */
+	int next_input;
+
+	/* pci i/o */
+	char name[64];
+	struct pci_dev *pci;
+	void __iomem *mmio;
+	u32 irqmask;
+};
+
+#define tw_readl(reg) readl(dev->mmio + reg)
+#define tw_mask_readl(reg, mask) \
+	(tw_readl(reg) & (mask))
+#define tw_mask_shift_readl(reg, mask, shift) \
+	(tw_mask_readl((reg), ((mask) << (shift))) >> (shift))
+
+#define tw_writel(reg, value) writel((value), dev->mmio + reg)
+#define tw_mask_writel(reg, mask, value) \
+	tw_writel(reg, (tw_readl(reg) & ~(mask)) | ((value) & (mask)))
+#define tw_mask_shift_writel(reg, mask, shift, value) \
+	tw_mask_writel((reg), ((mask) << (shift)), ((value) << (shift)))
+
+#define tw_setl(reg, bit) tw_writel((reg), tw_readl(reg) | (bit))
+#define tw_clearl(reg, bit) tw_writel((reg), tw_readl(reg) & ~(bit))
+
+u8 tw5864_indir_readb(struct tw5864_dev *dev, u16 addr);
+#define tw_indir_readb(addr) tw5864_indir_readb(dev, addr)
+void tw5864_indir_writeb(struct tw5864_dev *dev, u16 addr, u8 data);
+#define tw_indir_writeb(addr, data) tw5864_indir_writeb(dev, addr, data)
+
+void tw5864_irqmask_apply(struct tw5864_dev *dev);
+int tw5864_video_init(struct tw5864_dev *dev, int *video_nr);
+void tw5864_video_fini(struct tw5864_dev *dev);
+void tw5864_prepare_frame_headers(struct tw5864_input *input);
+void tw5864_h264_put_stream_header(u8 **buf, size_t *space_left, int qp,
+				   int width, int height);
+void tw5864_h264_put_slice_header(u8 **buf, size_t *space_left,
+				  unsigned int idr_pic_id,
+				  unsigned int frame_gop_seqno,
+				  int *tail_nb_bits, u8 *tail);
+void tw5864_request_encoded_frame(struct tw5864_input *input);