tegrakernel/kernel/nvidia/include/media/vi.h

122 lines
3.6 KiB
C

/*
* Tegra Graphics Host VI
*
* Copyright (c) 2012-2018, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __NVHOST_VI_H__
#define __NVHOST_VI_H__
#include <linux/tegra-powergate.h>
#include <linux/clk/tegra.h>
#include <media/mc_common.h>
#include "chip_support.h"
#define VI_CFG_INTERRUPT_MASK_0 0x8c
#define VI_CFG_INTERRUPT_STATUS_0 0x98
#define CSI_CSI_PIXEL_PARSER_A_INTERRUPT_MASK_0 0x850
#define CSI_CSI_PIXEL_PARSER_A_STATUS_0 0x854
#define PPA_FIFO_OVRF (1 << 5)
#define CSI_CSI_PIXEL_PARSER_B_INTERRUPT_MASK_0 0x884
#define CSI_CSI_PIXEL_PARSER_B_STATUS_0 0x888
#define PPB_FIFO_OVRF (1 << 5)
#define VI_CSI_0_ERROR_STATUS 0x184
#define VI_CSI_1_ERROR_STATUS 0x284
#define VI_CSI_0_WD_CTRL 0x18c
#define VI_CSI_1_WD_CTRL 0x28c
#define VI_CSI_0_ERROR_INT_MASK_0 0x188
#define VI_CSI_1_ERROR_INT_MASK_0 0x288
#ifdef TEGRA_21X_OR_HIGHER_CONFIG
#define VI_CSI_2_ERROR_STATUS 0x384
#define VI_CSI_3_ERROR_STATUS 0x484
#define VI_CSI_4_ERROR_STATUS 0x584
#define VI_CSI_5_ERROR_STATUS 0x684
#define VI_CSI_2_WD_CTRL 0x38c
#define VI_CSI_3_WD_CTRL 0x48c
#define VI_CSI_4_WD_CTRL 0x58c
#define VI_CSI_5_WD_CTRL 0x68c
#define VI_CSI_2_ERROR_INT_MASK_0 0x388
#define VI_CSI_3_ERROR_INT_MASK_0 0x488
#define VI_CSI_4_ERROR_INT_MASK_0 0x588
#define VI_CSI_5_ERROR_INT_MASK_0 0x688
#define CSI1_CSI_PIXEL_PARSER_A_INTERRUPT_MASK_0 0x1050
#define CSI1_CSI_PIXEL_PARSER_A_STATUS_0 0x1054
#define CSI1_CSI_PIXEL_PARSER_B_INTERRUPT_MASK_0 0x1084
#define CSI1_CSI_PIXEL_PARSER_B_STATUS_0 0x1088
#define CSI2_CSI_PIXEL_PARSER_A_INTERRUPT_MASK_0 0x1850
#define CSI2_CSI_PIXEL_PARSER_A_STATUS_0 0x1854
#define CSI2_CSI_PIXEL_PARSER_B_INTERRUPT_MASK_0 0x1884
#define CSI2_CSI_PIXEL_PARSER_B_STATUS_0 0x1888
#define NUM_VI_WATCHDOG 6
#else
#define NUM_VI_WATCHDOG 2
#endif
typedef void (*callback)(void *);
struct tegra_vi_stats {
atomic_t overflow;
};
struct tegra_vi_mfi_ctx;
struct vi {
struct tegra_camera *camera;
struct platform_device *ndev;
struct device *dev;
struct tegra_vi_data *data;
struct tegra_mc_vi mc_vi;
struct tegra_csi_device csi;
struct regulator *reg;
struct dentry *debugdir;
struct tegra_vi_stats vi_out;
struct work_struct stats_work;
struct tegra_vi_mfi_ctx *mfi_ctx;
int vi_irq;
uint vi_bypass_bw;
uint max_bw;
bool master_deinitialized;
bool tpg_opened;
bool sensor_opened;
bool bypass;
};
extern const struct file_operations tegra_vi_ctrl_ops;
int nvhost_vi_prepare_poweroff(struct platform_device *);
int nvhost_vi_finalize_poweron(struct platform_device *);
void nvhost_vi_reset_all(struct platform_device *);
struct vi *tegra_vi_get(void);
int vi_v4l2_set_la(struct vi *tegra_vi, u32 vi_bypass_bw, bool is_ioctl);
int tegra_vi_register_mfi_cb(callback cb, void *cb_arg);
int tegra_vi_unregister_mfi_cb(void);
bool tegra_vi_has_mfi_callback(void);
int tegra_vi_mfi_event_notify(struct tegra_vi_mfi_ctx *mfi_ctx, u8 channel);
int tegra_vi_init_mfi(struct tegra_vi_mfi_ctx **mfi_ctx, u8 num_channels);
void tegra_vi_deinit_mfi(struct tegra_vi_mfi_ctx **mfi_ctx);
#endif