root/drivers/gpu/ipu-v3/ipu-prv.h
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (c) 2010 Sascha Hauer <s.hauer@pengutronix.de>
 * Copyright (C) 2005-2009 Freescale Semiconductor, Inc.
 */
#ifndef __IPU_PRV_H__
#define __IPU_PRV_H__

struct ipu_soc;

#include <linux/io.h>
#include <linux/types.h>
#include <linux/device.h>
#include <linux/clk.h>
#include <linux/platform_device.h>

#include <video/imx-ipu-v3.h>

#define IPU_MCU_T_DEFAULT       8
#define IPU_CM_IDMAC_REG_OFS    0x00008000
#define IPU_CM_IC_REG_OFS       0x00020000
#define IPU_CM_IRT_REG_OFS      0x00028000
#define IPU_CM_CSI0_REG_OFS     0x00030000
#define IPU_CM_CSI1_REG_OFS     0x00038000
#define IPU_CM_SMFC_REG_OFS     0x00050000
#define IPU_CM_DC_REG_OFS       0x00058000
#define IPU_CM_DMFC_REG_OFS     0x00060000

/* Register addresses */
/* IPU Common registers */
#define IPU_CM_REG(offset)      (offset)

#define IPU_CONF                        IPU_CM_REG(0)

#define IPU_SRM_PRI1                    IPU_CM_REG(0x00a0)
#define IPU_SRM_PRI2                    IPU_CM_REG(0x00a4)
#define IPU_FS_PROC_FLOW1               IPU_CM_REG(0x00a8)
#define IPU_FS_PROC_FLOW2               IPU_CM_REG(0x00ac)
#define IPU_FS_PROC_FLOW3               IPU_CM_REG(0x00b0)
#define IPU_FS_DISP_FLOW1               IPU_CM_REG(0x00b4)
#define IPU_FS_DISP_FLOW2               IPU_CM_REG(0x00b8)
#define IPU_SKIP                        IPU_CM_REG(0x00bc)
#define IPU_DISP_ALT_CONF               IPU_CM_REG(0x00c0)
#define IPU_DISP_GEN                    IPU_CM_REG(0x00c4)
#define IPU_DISP_ALT1                   IPU_CM_REG(0x00c8)
#define IPU_DISP_ALT2                   IPU_CM_REG(0x00cc)
#define IPU_DISP_ALT3                   IPU_CM_REG(0x00d0)
#define IPU_DISP_ALT4                   IPU_CM_REG(0x00d4)
#define IPU_SNOOP                       IPU_CM_REG(0x00d8)
#define IPU_MEM_RST                     IPU_CM_REG(0x00dc)
#define IPU_PM                          IPU_CM_REG(0x00e0)
#define IPU_GPR                         IPU_CM_REG(0x00e4)
#define IPU_CHA_DB_MODE_SEL(ch)         IPU_CM_REG(0x0150 + 4 * ((ch) / 32))
#define IPU_ALT_CHA_DB_MODE_SEL(ch)     IPU_CM_REG(0x0168 + 4 * ((ch) / 32))
#define IPU_CHA_CUR_BUF(ch)             IPU_CM_REG(0x023C + 4 * ((ch) / 32))
#define IPU_ALT_CUR_BUF0                IPU_CM_REG(0x0244)
#define IPU_ALT_CUR_BUF1                IPU_CM_REG(0x0248)
#define IPU_SRM_STAT                    IPU_CM_REG(0x024C)
#define IPU_PROC_TASK_STAT              IPU_CM_REG(0x0250)
#define IPU_DISP_TASK_STAT              IPU_CM_REG(0x0254)
#define IPU_CHA_BUF0_RDY(ch)            IPU_CM_REG(0x0268 + 4 * ((ch) / 32))
#define IPU_CHA_BUF1_RDY(ch)            IPU_CM_REG(0x0270 + 4 * ((ch) / 32))
#define IPU_CHA_BUF2_RDY(ch)            IPU_CM_REG(0x0288 + 4 * ((ch) / 32))
#define IPU_ALT_CHA_BUF0_RDY(ch)        IPU_CM_REG(0x0278 + 4 * ((ch) / 32))
#define IPU_ALT_CHA_BUF1_RDY(ch)        IPU_CM_REG(0x0280 + 4 * ((ch) / 32))

#define IPU_INT_CTRL(n)         IPU_CM_REG(0x003C + 4 * (n))
#define IPU_INT_STAT(n)         IPU_CM_REG(0x0200 + 4 * (n))

/* SRM_PRI2 */
#define DP_S_SRM_MODE_MASK              (0x3 << 3)
#define DP_S_SRM_MODE_NOW               (0x3 << 3)
#define DP_S_SRM_MODE_NEXT_FRAME        (0x1 << 3)

/* FS_PROC_FLOW1 */
#define FS_PRPENC_ROT_SRC_SEL_MASK      (0xf << 0)
#define FS_PRPENC_ROT_SRC_SEL_ENC               (0x7 << 0)
#define FS_PRPVF_ROT_SRC_SEL_MASK       (0xf << 8)
#define FS_PRPVF_ROT_SRC_SEL_VF                 (0x8 << 8)
#define FS_PP_SRC_SEL_MASK              (0xf << 12)
#define FS_PP_ROT_SRC_SEL_MASK          (0xf << 16)
#define FS_PP_ROT_SRC_SEL_PP                    (0x5 << 16)
#define FS_VDI1_SRC_SEL_MASK            (0x3 << 20)
#define FS_VDI3_SRC_SEL_MASK            (0x3 << 20)
#define FS_PRP_SRC_SEL_MASK             (0xf << 24)
#define FS_VDI_SRC_SEL_MASK             (0x3 << 28)
#define FS_VDI_SRC_SEL_CSI_DIRECT               (0x1 << 28)
#define FS_VDI_SRC_SEL_VDOA                     (0x2 << 28)

/* FS_PROC_FLOW2 */
#define FS_PRP_ENC_DEST_SEL_MASK        (0xf << 0)
#define FS_PRP_ENC_DEST_SEL_IRT_ENC             (0x1 << 0)
#define FS_PRPVF_DEST_SEL_MASK          (0xf << 4)
#define FS_PRPVF_DEST_SEL_IRT_VF                (0x1 << 4)
#define FS_PRPVF_ROT_DEST_SEL_MASK      (0xf << 8)
#define FS_PP_DEST_SEL_MASK             (0xf << 12)
#define FS_PP_DEST_SEL_IRT_PP                   (0x3 << 12)
#define FS_PP_ROT_DEST_SEL_MASK         (0xf << 16)
#define FS_PRPENC_ROT_DEST_SEL_MASK     (0xf << 20)
#define FS_PRP_DEST_SEL_MASK            (0xf << 24)

#define IPU_DI0_COUNTER_RELEASE                 (1 << 24)
#define IPU_DI1_COUNTER_RELEASE                 (1 << 25)

#define IPU_IDMAC_REG(offset)   (offset)

#define IDMAC_CONF                      IPU_IDMAC_REG(0x0000)
#define IDMAC_CHA_EN(ch)                IPU_IDMAC_REG(0x0004 + 4 * ((ch) / 32))
#define IDMAC_SEP_ALPHA                 IPU_IDMAC_REG(0x000c)
#define IDMAC_ALT_SEP_ALPHA             IPU_IDMAC_REG(0x0010)
#define IDMAC_CHA_PRI(ch)               IPU_IDMAC_REG(0x0014 + 4 * ((ch) / 32))
#define IDMAC_WM_EN(ch)                 IPU_IDMAC_REG(0x001c + 4 * ((ch) / 32))
#define IDMAC_CH_LOCK_EN_1              IPU_IDMAC_REG(0x0024)
#define IDMAC_CH_LOCK_EN_2              IPU_IDMAC_REG(0x0028)
#define IDMAC_SUB_ADDR_0                IPU_IDMAC_REG(0x002c)
#define IDMAC_SUB_ADDR_1                IPU_IDMAC_REG(0x0030)
#define IDMAC_SUB_ADDR_2                IPU_IDMAC_REG(0x0034)
#define IDMAC_BAND_EN(ch)               IPU_IDMAC_REG(0x0040 + 4 * ((ch) / 32))
#define IDMAC_CHA_BUSY(ch)              IPU_IDMAC_REG(0x0100 + 4 * ((ch) / 32))

#define IPU_NUM_IRQS    (32 * 15)

enum ipu_modules {
        IPU_CONF_CSI0_EN                = (1 << 0),
        IPU_CONF_CSI1_EN                = (1 << 1),
        IPU_CONF_IC_EN                  = (1 << 2),
        IPU_CONF_ROT_EN                 = (1 << 3),
        IPU_CONF_ISP_EN                 = (1 << 4),
        IPU_CONF_DP_EN                  = (1 << 5),
        IPU_CONF_DI0_EN                 = (1 << 6),
        IPU_CONF_DI1_EN                 = (1 << 7),
        IPU_CONF_SMFC_EN                = (1 << 8),
        IPU_CONF_DC_EN                  = (1 << 9),
        IPU_CONF_DMFC_EN                = (1 << 10),

        IPU_CONF_VDI_EN                 = (1 << 12),

        IPU_CONF_IDMAC_DIS              = (1 << 22),

        IPU_CONF_IC_DMFC_SEL            = (1 << 25),
        IPU_CONF_IC_DMFC_SYNC           = (1 << 26),
        IPU_CONF_VDI_DMFC_SYNC          = (1 << 27),

        IPU_CONF_CSI0_DATA_SOURCE       = (1 << 28),
        IPU_CONF_CSI1_DATA_SOURCE       = (1 << 29),
        IPU_CONF_IC_INPUT               = (1 << 30),
        IPU_CONF_CSI_SEL                = (1 << 31),
};

struct ipuv3_channel {
        unsigned int num;
        struct ipu_soc *ipu;
        struct list_head list;
};

struct ipu_cpmem;
struct ipu_csi;
struct ipu_dc_priv;
struct ipu_dmfc_priv;
struct ipu_di;
struct ipu_ic_priv;
struct ipu_vdi;
struct ipu_image_convert_priv;
struct ipu_smfc_priv;
struct ipu_pre;
struct ipu_prg;

struct ipu_devtype;

struct ipu_soc {
        struct device           *dev;
        const struct ipu_devtype        *devtype;
        enum ipuv3_type         ipu_type;
        spinlock_t              lock;
        struct mutex            channel_lock;
        struct list_head        channels;

        void __iomem            *cm_reg;
        void __iomem            *idmac_reg;

        int                     id;
        int                     usecount;

        struct clk              *clk;

        int                     irq_sync;
        int                     irq_err;
        struct irq_domain       *domain;

        struct ipu_cpmem        *cpmem_priv;
        struct ipu_dc_priv      *dc_priv;
        struct ipu_dp_priv      *dp_priv;
        struct ipu_dmfc_priv    *dmfc_priv;
        struct ipu_di           *di_priv[2];
        struct ipu_csi          *csi_priv[2];
        struct ipu_ic_priv      *ic_priv;
        struct ipu_vdi          *vdi_priv;
        struct ipu_image_convert_priv *image_convert_priv;
        struct ipu_smfc_priv    *smfc_priv;
        struct ipu_prg          *prg_priv;
};

static inline u32 ipu_idmac_read(struct ipu_soc *ipu, unsigned offset)
{
        return readl(ipu->idmac_reg + offset);
}

static inline void ipu_idmac_write(struct ipu_soc *ipu, u32 value,
                                   unsigned offset)
{
        writel(value, ipu->idmac_reg + offset);
}

void ipu_srm_dp_update(struct ipu_soc *ipu, bool sync);

int ipu_module_enable(struct ipu_soc *ipu, u32 mask);
int ipu_module_disable(struct ipu_soc *ipu, u32 mask);

int ipu_csi_init(struct ipu_soc *ipu, struct device *dev, int id,
                 unsigned long base, u32 module, struct clk *clk_ipu);
void ipu_csi_exit(struct ipu_soc *ipu, int id);

int ipu_ic_init(struct ipu_soc *ipu, struct device *dev,
                unsigned long base, unsigned long tpmem_base);
void ipu_ic_exit(struct ipu_soc *ipu);

int ipu_vdi_init(struct ipu_soc *ipu, struct device *dev,
                 unsigned long base, u32 module);
void ipu_vdi_exit(struct ipu_soc *ipu);

int ipu_image_convert_init(struct ipu_soc *ipu, struct device *dev);
void ipu_image_convert_exit(struct ipu_soc *ipu);

int ipu_di_init(struct ipu_soc *ipu, struct device *dev, int id,
                unsigned long base, u32 module, struct clk *ipu_clk);
void ipu_di_exit(struct ipu_soc *ipu, int id);

int ipu_dmfc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base,
                struct clk *ipu_clk);
void ipu_dmfc_exit(struct ipu_soc *ipu);

int ipu_dp_init(struct ipu_soc *ipu, struct device *dev, unsigned long base);
void ipu_dp_exit(struct ipu_soc *ipu);

int ipu_dc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base,
                unsigned long template_base);
void ipu_dc_exit(struct ipu_soc *ipu);

int ipu_cpmem_init(struct ipu_soc *ipu, struct device *dev, unsigned long base);
void ipu_cpmem_exit(struct ipu_soc *ipu);

int ipu_smfc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base);
void ipu_smfc_exit(struct ipu_soc *ipu);

struct ipu_pre *ipu_pre_lookup_by_phandle(struct device *dev, const char *name,
                                          int index);
int ipu_pre_get_available_count(void);
int ipu_pre_get(struct ipu_pre *pre);
void ipu_pre_put(struct ipu_pre *pre);
u32 ipu_pre_get_baddr(struct ipu_pre *pre);
void ipu_pre_configure(struct ipu_pre *pre, unsigned int width,
                       unsigned int height, unsigned int stride, u32 format,
                       uint64_t modifier, unsigned int bufaddr);
void ipu_pre_update(struct ipu_pre *pre, uint64_t modifier, unsigned int bufaddr);
bool ipu_pre_update_pending(struct ipu_pre *pre);

struct ipu_prg *ipu_prg_lookup_by_phandle(struct device *dev, const char *name,
                                          int ipu_id);

extern struct platform_driver ipu_pre_drv;
extern struct platform_driver ipu_prg_drv;

#endif                          /* __IPU_PRV_H__ */