444 lines
14 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2024 Rockchip Electronics Co., Ltd.
*/
#ifndef __ROCKCHIP_DSMC_HOST_H
#define __ROCKCHIP_DSMC_HOST_H
#define DSMC_FPGA_WINBOND_X8 0
#define DSMC_FPGA_WINBOND_X16 1
#define DSMC_FPGA_APM_X8 0
#define DSMC_FPGA_APM_X16 0
#define DSMC_FPGA_DMAC_TEST 1
#define DSMC_MAX_SLAVE_NUM 4
#define DSMC_LB_MAX_RGN 4
#define DSMC_MEM_ATTRIBUTE_NO_CACHE 0
#define DSMC_MEM_ATTRIBUTE_CACHE 1
#define DSMC_MEM_ATTRIBUTE_WR_COM 2
#define DSMC_MAP_UNCACHE_SIZE (128 * 1024)
#define DSMC_MAP_BUFFERED_SIZE (128 * 1024)
/* DSMC register */
#define DSMC_VER 0x0000
#define DSMC_CSR 0x0008
#define DSMC_TAR 0x0010
#define DSMC_AXICTL 0x0014
#define DSMC_CLK_MD 0x0020
#define DSMC_DLL_DBG_CTRL 0x0028
#define DSMC_DEV_SIZE 0x0030
#define DSMC_INT_EN 0x0040
#define DSMC_INT_STATUS 0x0044
#define DSMC_INT_MASK 0x0048
#define DSMC_DMA_EN 0x0050
#define DSMC_DMA_REQ_NUM(n) (0x0054 + (0x4 * (n)))
#define DSMC_DMA_MUX 0x005c
#define DSMC_VDMC(n) (0x1000 * ((n) + 1))
#define DSMC_MCR(n) (0x1000 * ((n) + 1) + 0x10)
#define DSMC_MTR(n) (0x1000 * ((n) + 1) + 0x14)
#define DSMC_BDRTCR(n) (0x1000 * ((n) + 1) + 0x20)
#define DSMC_MRGTCR(n) (0x1000 * ((n) + 1) + 0x24)
#define DSMC_WRAP2INCR(n) (0x1000 * ((n) + 1) + 0x28)
#define DSMC_RDS_DLL0_CTL(n) (0x1000 * ((n) + 1) + 0x30)
#define DSMC_RDS_DLL1_CTL(n) (0x1000 * ((n) + 1) + 0x34)
#define DSMC_SLV_RGN_DIV(n) (0x1000 * ((n) + 1) + 0x40)
#define DSMC_RGN0_ATTR(n) (0x1000 * ((n) + 1) + 0x50)
#define DSMC_RGN1_ATTR(n) (0x1000 * ((n) + 1) + 0x54)
#define DSMC_RGN2_ATTR(n) (0x1000 * ((n) + 1) + 0x58)
#define DSMC_RGN3_ATTR(n) (0x1000 * ((n) + 1) + 0x5c)
#define DSMC_RDS_DLL_CTL(cs, byte) (0x1000 * ((cs) + 1) + 0x30 + (byte) * 0x4)
/* AXICTL */
#define AXICTL_RD_NO_ERR_SHIFT 8
#define AXICTL_RD_NO_ERR_MASK 0x1
/* INT_EN */
#define INT_EN_SHIFT 0
#define INT_EN_MASK(cs) (0x1 << (cs))
#define INT_EN(cs) (0x1 << (cs))
/* INT_STATUS */
#define INT_STATUS_SHIFT 0
#define INT_STATUS_MASK(cs) (0x1 << (cs))
#define INT_STATUS(cs) (0x1 << (cs))
/* INT_MASK */
#define INT_MASK(cs) (0x1 << (cs))
#define INT_UNMASK(cs) (0x0 << (cs))
/* DMA_EN */
#define DMA_REQ_EN_SHIFT 0
#define DMA_REQ_EN_MASK 0x1
#define DMA_REQ_EN(cs) (0x1 << (cs))
#define DMA_REQ_DIS(cs) (0x0 << (cs))
/* DSMC_DMA_MUX */
#define DMA_REQ_MUX_MASK(req) (0x3 << ((req) * 4))
#define DMA_REQ_MUX(req, n) (((n) & 0x3) << ((req) * 4))
/* VDMC */
#define VDMC_MID_SHIFT 0
#define VDMC_MID_MASK 0xF
#define VDMC_PROTOCOL_SHIFT 4
#define VDMC_PROTOCOL_MASK 0xF
#define VDMC_RESET_CMD_MODE_SHIFT 8
#define VDMC_RESET_CMD_MODE_MASK 0x1
#define VDMC_LATENCY_FIXED_SHIFT 9
#define VDMC_LATENCY_FIXED_MASK 0x1
#define VDMC_LATENCY_VARIABLE 0
#define VDMC_LATENCY_FIXED 1
#define DSMC_UNKNOWN_DEVICE 0x0
#define OPI_XCCELA_PSRAM 0x1
#define HYPERBUS_PSRAM 0x2
#define DSMC_LB_DEVICE 0x3
/* RDS_DLL0_CTL */
#define RDS_DLL0_CTL_RDS_0_CLK_DELAY_NUM_SHIFT 0
#define RDS_DLL0_CTL_RDS_0_CLK_DELAY_NUM_MASK 0xff
#define RDS_DLL0_CTL_RDS_0_CLK_SMP_SEL_SHIFT 31
/* RDS_DLL1_CTL */
#define RDS_DLL1_CTL_RDS_1_CLK_DELAY_NUM_SHIFT 0
#define RDS_DLL0_CTL_RDS_0_CLK_DELAY_NUM_MASK 0xff
#define RDS_DLL1_CTL_RDS_1_CLK_SMP_SEL_SHIFT 31
/* MCR */
#define MCR_WRAPSIZE_SHIFT 0
#define MCR_WRAPSIZE_MASK 0x3
#define MCR_WRAPSIZE_32_CLK 1
#define MCR_WRAPSIZE_8_CLK 2
#define MCR_WRAPSIZE_16_CLK 3
#define MCR_EXCLUSIVE_DQS_SHIFT 2
#define MCR_EXCLUSIVE_DQS_MASK 0x1
#define MCR_IOWIDTH_SHIFT 3
#define MCR_IOWIDTH_MASK 0x1
#define MCR_DEVTYPE_SHIFT 4
#define MCR_DEVTYPE_MASK 0x1
#define MCR_CRT_SHIFT 5
#define MCR_CRT_MASK 0x1
#define MCR_ACS_SHIFT 16
#define MCR_ACS_MASK 0x1
#define MCR_TCMO_SHIFT 17
#define MCR_TCMO_MASK 0x1
#define MCR_MAXLEN_SHIFT 18
#define MCR_MAXLEN_MASK 0x1FF
#define MCR_MAXEN_SHIFT 31
#define MCR_MAXEN_MASK 0x1
#define MCR_CRT_CR_SPACE 0x1
#define MCR_CRT_MEM_SPACE 0x0
#define MCR_IOWIDTH_X16 0x1
#define MCR_IOWIDTH_X8 0x0
#define MCR_DEVTYPE_HYPERRAM 0x1
#define MCR_MAX_LENGTH_EN 0x1
#define MCR_MAX_LENGTH 0x1ff
/* BDRTCR */
#define BDRTCR_COL_BIT_NUM_SHIFT 0
#define BDRTCR_COL_BIT_NUM_MASK 0x7
#define BDRTCR_WR_BDR_XFER_EN_SHIFT 4
#define BDRTCR_WR_BDR_XFER_EN_MASK 0x1
#define BDRTCR_WR_BDR_XFER_EN 1
#define BDRTCR_RD_BDR_XFER_EN_SHIFT 5
#define BDRTCR_RD_BDR_XFER_EN_MASK 0x1
#define BDRTCR_RD_BDR_XFER_EN 1
/* MRGTCR */
#define MRGTCR_READ_WRITE_MERGE_EN 0x3
/* MTR */
#define MTR_WLTCY_SHIFT 0
#define MTR_WLTCY_MASK 0xf
#define MTR_RLTCY_SHIFT 4
#define MTR_RLTCY_MASK 0xf
#define MTR_WCSH_SHIFT 8
#define MTR_RCSH_SHIFT 12
#define MTR_WCSS_SHIFT 16
#define MTR_RCSS_SHIFT 20
#define MTR_WCSHI_SHIFT 24
#define MTR_RCSHI_SHIFT 28
/* RGNX_ATTR */
#define RGNX_ATTR_SHIFT 0
#define RGNX_ATTR_MASK 0x3
#define RGNX_ATTR_REG 0x0
#define RGNX_ATTR_DPRA 0x1
#define RGNX_ATTR_NO_MERGE_FIFO 0x2
#define RGNX_ATTR_MERGE_FIFO 0x3
#define RGNX_ATTR_CTRL_SHIFT 4
#define RGNX_ATTR_BE_CTRLED_SHIFT 5
#define RGNX_ATTR_DUM_CLK_EN_SHIFT 6
#define RGNX_ATTR_DUM_CLK_NUM_SHIFT 7
#define RGNX_ATTR_CA_ADDR_MASK 1
#define RGNX_ATTR_32BIT_ADDR_WIDTH 0
#define RGNX_ATTR_16BIT_ADDR_WIDTH 1
#define RGNX_ATTR_ADDR_WIDTH_SHIFT 8
#define RGNX_STATUS_ENABLED (1)
#define RGNX_STATUS_DISABLED (0)
#define MTR_CFG(RCSHI, WCSHI, RCSS, WCSS, RCSH, WCSH, RLTCY, WLTCY) \
(((RCSHI) << MTR_RCSHI_SHIFT) | \
((WCSHI) << MTR_WCSHI_SHIFT) | \
((RCSS) << MTR_RCSS_SHIFT) | \
((WCSS) << MTR_WCSS_SHIFT) | \
((RCSH) << MTR_RCSH_SHIFT) | \
((WCSH) << MTR_WCSH_SHIFT) | \
((RLTCY) << MTR_RLTCY_SHIFT) | \
((WLTCY) << MTR_WLTCY_SHIFT))
#define APM_PSRAM_LATENCY_FIXED 0x1
#define APM_PSRAM_LATENCY_VARIABLE 0x0
#define DSMC_BURST_WRAPSIZE_32CLK 0x1
#define DSMC_BURST_WRAPSIZE_8CLK 0x2
#define DSMC_BURST_WRAPSIZE_16CLK 0x3
#define DSMC_DLL_EN 0x1
#define HYPER_PSRAM_IR0 (0x00)
#define HYPER_PSRAM_IR1 (0x02)
#define HYPER_PSRAM_CR0 (0x1000)
#define HYPER_PSRAM_CR1 (0x1002)
#define XCCELA_PSRAM_MR(n) (2 * (n))
#define XCCELA_PSRAM_MR_GET(n) (((n) >> 8) & 0xff)
#define XCCELA_PSRAM_MR_SET(n) (((n) & 0xff) << 8)
/* device id bit mask */
#define HYPERBUS_DEV_ID_MASK (0xf)
#define IR0_ROW_COUNT_128MBIT (0xd)
#define IR0_ROW_COUNT_SHIFT (0x8)
#define IR0_ROW_COUNT_MASK (0x1f)
#define IR0_COL_COUNT_SHIFT (0x4)
#define IR0_COL_COUNT_MASK (0xf)
#define IR1_DEV_IO_WIDTH_SHIFT (0)
#define IR1_DEV_IO_WIDTH_MASK (0xf)
#define IR1_DEV_IO_WIDTH_X16 (0x9)
#define CR0_INITIAL_LATENCY_SHIFT 4
#define CR0_INITIAL_LATENCY_MASK 0xf
#define CR0_FIXED_LATENCY_ENABLE_SHIFT 3
#define CR0_FIXED_LATENCY_ENABLE_MASK 0x1
#define CR0_FIXED_LATENCY_ENABLE_VARIABLE_LATENCY 0x0
#define CR0_FIXED_LATENCY_ENABLE_FIXED_LATENCY 0x1
#define CR0_BURST_LENGTH_SHIFT 0
#define CR0_BURST_LENGTH_MASK 0x3
#define CR0_BURST_LENGTH_64_CLK 0x0
#define CR0_BURST_LENGTH_32_CLK 0x1
#define CR0_BURST_LENGTH_8_CLK 0x2
#define CR0_BURST_LENGTH_16_CLK 0x3
#define CR1_CLOCK_TYPE_SHIFT 6
#define CR1_CLOCK_TYPE_MASK 0x1
#define CR1_CLOCK_TYPE_SINGLE_CLK 0x1
#define CR1_CLOCK_TYPE_DIFF_CLK 0x0
#define XCCELA_DEV_ID_MASK (0x1f)
#define XCCELA_MR0_RL_SHIFT (2)
#define XCCELA_MR0_RL_MASK (0x7)
#define XCCELA_MR0_RL_TYPE_SHIFT (5)
#define XCCELA_MR0_RL_TYPE_MASK (0x1)
#define XCCELA_MR0_RL_TYPE_FIXED (0x1)
#define XCCELA_MR0_RL_TYPE_VARIABLE (0x0)
#define XCCELA_MR2_DEV_DENSITY_MASK (0x7)
#define XCCELA_MR3_RBXEN_MASK (1)
#define XCCELA_MR3_RBXEN_SHIFT (7)
#define XCCELA_MR4_WL_SHIFT (5)
#define XCCELA_MR4_WL_MASK (0x7)
#define XCCELA_MR4_REFRESH_SHIFT (3)
#define XCCELA_MR4_REFRESH_MASK (0x3)
#define XCCELA_MR4_0_5_REFRESH_RATE (0x3)
#define XCCELA_MR8_IO_TYPE_SHIFT (6)
#define XCCELA_MR8_IO_TYPE_MASK (0x1)
#define XCCELA_MR8_IO_TYPE_X16 (0x1)
#define XCCELA_MR8_IO_TYPE_X8 (0x0)
#define XCCELA_MR8_RBX_EN_SHIFT (3)
#define XCCELA_MR8_RBX_EN_MASK (0x1)
#define XCCELA_MR8_RBX_EN (0x1)
#define XCCELA_MR8_BL_SHIFT (0)
#define XCCELA_MR8_BL_MASK (0x7)
#define XCCELA_MR8_BL_32_CLK (0x2)
#define XCCELA_MR8_BL_16_CLK (0x1)
#define XCCELA_MR8_BL_8_CLK (0x0)
#define PSRAM_SIZE_32MBYTE (0x02000000)
#define PSRAM_SIZE_16MBYTE (0x01000000)
#define PSRAM_SIZE_8MBYTE (0x00800000)
#define PSRAM_SIZE_4MBYTE (0x00400000)
/* TCSM/TCEM */
#define DSMC_DEV_TCSM_4U (4000)
#define DSMC_DEV_TCSM_1U (1000)
#define DSMC_DEC_TCEM_2_5U (2500)
#define DSMC_DEC_TCEM_3U (3000)
#define DSMC_DEC_TCEM_0_5U (500)
#define RK3506_GRF_SOC_CON(n) (0x4 * (n))
#define GRF_DSMC_REQ0_SEL(n) ((0x1 << (15 + 16)) | ((n) << 15))
#define GRF_DSMC_REQ1_SEL(n) ((0x1 << (14 + 16)) | ((n) << 14))
#define GRF_DMAC0_CH10_SEL(n) ((0x1 << (7 + 16)) | ((n) << 7))
#define GRF_DMAC0_CH8_SEL(n) ((0x1 << (6 + 16)) | ((n) << 6))
#define GRF_DMAC0_CH3_SEL(n) ((0x1 << (3 + 16)) | ((n) << 3))
#define GRF_DMAC0_CH2_SEL(n) ((0x1 << (2 + 16)) | ((n) << 2))
#define RK3576_TPO_IOC_OFFSET (0x4000)
#define RK3576_GPIO3A_IOMUX_SEL_H (RK3576_TPO_IOC_OFFSET + 0x64)
#define RK3576_GPIO3B_IOMUX_SEL_L (RK3576_TPO_IOC_OFFSET + 0x68)
#define RK3576_GPIO3B_IOMUX_SEL_H (RK3576_TPO_IOC_OFFSET + 0x6c)
#define RK3576_GPIO3C_IOMUX_SEL_L (RK3576_TPO_IOC_OFFSET + 0x70)
#define RK3576_GPIO3C_IOMUX_SEL_H (RK3576_TPO_IOC_OFFSET + 0x74)
#define RK3576_GPIO3D_IOMUX_SEL_L (RK3576_TPO_IOC_OFFSET + 0x78)
#define RK3576_GPIO3D_IOMUX_SEL_H (RK3576_TPO_IOC_OFFSET + 0x7c)
#define RK3576_GPIO4A_IOMUX_SEL_L (RK3576_TPO_IOC_OFFSET + 0x80)
#define RK3576_IOMUX_SEL(v, s) (((v) << (s)) | (0xf << ((s) + 16)))
#define RK3506_GPIO1A_IOMUX_SEL_0_OFFSET (0x20)
#define RK3506_GPIO1A_IOMUX_SEL_1_OFFSET (0x24)
#define RK3506_GPIO1B_IOMUX_SEL_0_OFFSET (0x28)
#define RK3506_GPIO1B_IOMUX_SEL_1_OFFSET (0x2c)
#define RK3506_GPIO1C_IOMUX_SEL_0_OFFSET (0x30)
#define RK3506_GPIO1C_IOMUX_SEL_1_OFFSET (0x34)
#define RK3506_GPIO1D_IOMUX_SEL_0_OFFSET (0x38)
#define RK3506_IOMUX_SEL(v, s) (((v) << (s)) | (0xf << ((s) + 16)))
struct regions_config {
uint32_t attribute;
uint32_t ca_addr_width;
uint32_t dummy_clk_num;
uint32_t cs0_be_ctrled;
uint32_t cs0_ctrl;
uint32_t offset_range[2];
uint32_t status;
};
struct dsmc_config_cs {
uint16_t mid;
uint16_t protcl;
uint32_t device_type;
uint32_t mtr_timing;
uint32_t acs;
uint32_t exclusive_dqs;
uint32_t io_width;
uint32_t wrap_size;
uint32_t rcshi;
uint32_t wcshi;
uint32_t rcss;
uint32_t wcss;
uint32_t rcsh;
uint32_t wcsh;
uint32_t rd_latency;
uint32_t wr_latency;
uint32_t col;
uint32_t wrap2incr_en;
uint32_t max_length_en;
uint32_t max_length;
uint32_t rgn_num;
uint32_t dll_num[2];
uint32_t rd_bdr_xfer_en;
uint32_t wr_bdr_xfer_en;
uint32_t int_en;
struct regions_config slv_rgn[DSMC_LB_MAX_RGN];
};
struct dsmc_ctrl_config {
uint32_t clk_mode;
uint32_t freq_hz;
uint32_t ctrl_freq_hz;
uint32_t cap;
uint32_t dma_req_mux_offset;
struct dsmc_config_cs cs_cfg[DSMC_MAX_SLAVE_NUM];
};
struct dsmc_map {
void *virt;
phys_addr_t phys;
size_t size;
};
struct dsmc_cs_map {
struct dsmc_map region_map[DSMC_LB_MAX_RGN];
};
struct dsmc_transfer {
uint32_t ops_cs;
struct dma_chan *dma_chan;
dma_addr_t src_addr;
dma_addr_t dst_addr;
size_t transfer_size;
u8 brst_size;
u8 brst_len;
atomic_t state;
};
struct rockchip_dsmc {
/* Hardware resources */
void __iomem *regs;
struct regmap *grf;
struct clk *aclk_root;
struct clk *aclk;
struct clk *pclk;
struct clk *clk_sys;
struct device *dev;
struct dma_chan *dma_req[DSMC_MAX_SLAVE_NUM];
struct dsmc_transfer xfer;
struct reset_control *areset;
struct reset_control *preset;
struct dsmc_cs_map cs_map[DSMC_MAX_SLAVE_NUM];
struct dsmc_ctrl_config cfg;
};
struct rockchip_dsmc_device {
struct dsmc_ops *ops;
struct rockchip_dsmc dsmc;
};
struct dsmc_ops {
int (*read)(struct rockchip_dsmc_device *dsmc_dev,
uint32_t cs, uint32_t region,
unsigned long addr, uint32_t *data);
int (*write)(struct rockchip_dsmc_device *dsmc_dev,
uint32_t cs, uint32_t region,
unsigned long addr, uint32_t val);
int (*copy_from)(struct rockchip_dsmc_device *dsmc_dev,
uint32_t cs, uint32_t region, uint32_t from,
dma_addr_t dst_phys, size_t size);
int (*copy_to)(struct rockchip_dsmc_device *dsmc_dev,
uint32_t cs, uint32_t region, dma_addr_t src_phys,
uint32_t to, size_t size);
int (*copy_from_state)(struct rockchip_dsmc_device *dsmc_dev);
int (*copy_to_state)(struct rockchip_dsmc_device *dsmc_dev);
};
int rockchip_dsmc_ctrller_init(struct rockchip_dsmc *dsmc, uint32_t cs);
int rockchip_dsmc_device_dectect(struct rockchip_dsmc *dsmc, uint32_t cs);
int rockchip_dsmc_dll_training(struct rockchip_dsmc_device *priv);
struct rockchip_dsmc_device *rockchip_dsmc_find_device_by_compat(const char *compat);
const char *rockchip_dsmc_get_compat(int index);
int rockchip_dsmc_lb_class_create(const char *name);
int rockchip_dsmc_lb_class_destroy(void);
void rockchip_dsmc_lb_dma_hw_mode_dis(struct rockchip_dsmc *dsmc);
int rockchip_dsmc_lb_dma_trigger_by_host(struct rockchip_dsmc *dsmc, uint32_t cs);
int rockchip_dsmc_lb_init(struct rockchip_dsmc *dsmc, uint32_t cs);
int rockchip_dsmc_psram_reinit(struct rockchip_dsmc *dsmc, uint32_t cs);
int rockchip_dsmc_register_lb_device(struct device *dev, uint32_t cs);
int rockchip_dsmc_unregister_lb_device(struct device *dev, uint32_t cs);
#endif /* __BUS_ROCKCHIP_ROCKCHIP_DSMC_HOST_H */