xref: /device/soc/rockchip/common/sdk_linux/include/linux/stmmac.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*******************************************************************************

  Header file for stmmac platform data

  Copyright (C) 2009  STMicroelectronics Ltd


  Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
*******************************************************************************/

#ifndef __STMMAC_PLATFORM_DATA
#define __STMMAC_PLATFORM_DATA

#include <linux/platform_device.h>
#include <linux/phy.h>

#define MTL_MAX_RX_QUEUES 8
#define MTL_MAX_TX_QUEUES 8
#define STMMAC_CH_MAX 8

#define STMMAC_RX_COE_NONE 0
#define STMMAC_RX_COE_TYPE1 1
#define STMMAC_RX_COE_TYPE2 2

/* Define the macros for CSR clock range parameters to be passed by
 * platform code.
 * This could also be configured at run time using CPU freq framework. */

/* MDC Clock Selection define */
#define STMMAC_CSR_60_100M 0x0  /* MDC = clk_scr_i/42 */
#define STMMAC_CSR_100_150M 0x1 /* MDC = clk_scr_i/62 */
#define STMMAC_CSR_20_35M 0x2   /* MDC = clk_scr_i/16 */
#define STMMAC_CSR_35_60M 0x3   /* MDC = clk_scr_i/26 */
#define STMMAC_CSR_150_250M 0x4 /* MDC = clk_scr_i/102 */
#define STMMAC_CSR_250_300M 0x5 /* MDC = clk_scr_i/122 */

/* MTL algorithms identifiers */
#define MTL_TX_ALGORITHM_WRR 0x0
#define MTL_TX_ALGORITHM_WFQ 0x1
#define MTL_TX_ALGORITHM_DWRR 0x2
#define MTL_TX_ALGORITHM_SP 0x3
#define MTL_RX_ALGORITHM_SP 0x4
#define MTL_RX_ALGORITHM_WSP 0x5

/* RX/TX Queue Mode */
#define MTL_QUEUE_AVB 0x0
#define MTL_QUEUE_DCB 0x1

/* The MDC clock could be set higher than the IEEE 802.3
 * specified frequency limit 0f 2.5 MHz, by programming a clock divider
 * of value different than the above defined values. The resultant MDIO
 * clock frequency of 12.5 MHz is applicable for the interfacing chips
 * supporting higher MDC clocks.
 * The MDC clock selection macros need to be defined for MDC clock rate
 * of 12.5 MHz, corresponding to the following selection.
 */
#define STMMAC_CSR_I_4 0x8  /* clk_csr_i/4 */
#define STMMAC_CSR_I_6 0x9  /* clk_csr_i/6 */
#define STMMAC_CSR_I_8 0xA  /* clk_csr_i/8 */
#define STMMAC_CSR_I_10 0xB /* clk_csr_i/10 */
#define STMMAC_CSR_I_12 0xC /* clk_csr_i/12 */
#define STMMAC_CSR_I_14 0xD /* clk_csr_i/14 */
#define STMMAC_CSR_I_16 0xE /* clk_csr_i/16 */
#define STMMAC_CSR_I_18 0xF /* clk_csr_i/18 */

/* AXI DMA Burst length supported */
#define DMA_AXI_BLEN_4 (1 << 1)
#define DMA_AXI_BLEN_8 (1 << 2)
#define DMA_AXI_BLEN_16 (1 << 3)
#define DMA_AXI_BLEN_32 (1 << 4)
#define DMA_AXI_BLEN_64 (1 << 5)
#define DMA_AXI_BLEN_128 (1 << 6)
#define DMA_AXI_BLEN_256 (1 << 7)
#define DMA_AXI_BLEN_ALL                                                                                               \
    (DMA_AXI_BLEN_4 | DMA_AXI_BLEN_8 | DMA_AXI_BLEN_16 | DMA_AXI_BLEN_32 | DMA_AXI_BLEN_64 | DMA_AXI_BLEN_128 |        \
     DMA_AXI_BLEN_256)

/* Platfrom data for platform device structure's platform_data field */

struct stmmac_mdio_bus_data {
    unsigned int phy_mask;
    unsigned int has_xpcs;
    int *irqs;
    int probed_phy_irq;
    bool needs_reset;
};

struct stmmac_dma_cfg {
    int pbl;
    int txpbl;
    int rxpbl;
    bool pblx8;
    int fixed_burst;
    int mixed_burst;
    bool aal;
    bool eame;
};

#define AXI_BLEN 7
struct stmmac_axi {
    bool axi_lpi_en;
    bool axi_xit_frm;
    u32 axi_wr_osr_lmt;
    u32 axi_rd_osr_lmt;
    bool axi_kbbe;
    u32 axi_blen[AXI_BLEN];
    bool axi_fb;
    bool axi_mb;
    bool axi_rb;
};

#define EST_GCL 1024
struct stmmac_est {
    struct mutex lock;
    int enable;
    u32 btr_offset[2];
    u32 btr[2];
    u32 ctr[2];
    u32 ter;
    u32 gcl_unaligned[EST_GCL];
    u32 gcl[EST_GCL];
    u32 gcl_size;
};

struct stmmac_rxq_cfg {
    u8 mode_to_use;
    u32 chan;
    u8 pkt_route;
    bool use_prio;
    u32 prio;
};

struct stmmac_txq_cfg {
    u32 weight;
    u8 mode_to_use;
    /* Credit Base Shaper parameters */
    u32 send_slope;
    u32 idle_slope;
    u32 high_credit;
    u32 low_credit;
    bool use_prio;
    u32 prio;
    int tbs_en;
};

struct plat_stmmacenet_data {
    int bus_id;
    int phy_addr;
    int interface;
    phy_interface_t phy_interface;
    struct stmmac_mdio_bus_data *mdio_bus_data;
    struct device_node *phy_node;
    struct device_node *phylink_node;
    struct device_node *mdio_node;
    struct stmmac_dma_cfg *dma_cfg;
    struct stmmac_est *est;
    int clk_csr;
    int has_gmac;
    int enh_desc;
    int tx_coe;
    int rx_coe;
    int bugged_jumbo;
    int pmt;
    int force_sf_dma_mode;
    int force_thresh_dma_mode;
    int riwt_off;
    int max_speed;
    int maxmtu;
    int multicast_filter_bins;
    int unicast_filter_entries;
    int tx_fifo_size;
    int rx_fifo_size;
    u32 addr64;
    u32 rx_queues_to_use;
    u32 tx_queues_to_use;
    u8 rx_sched_algorithm;
    u8 tx_sched_algorithm;
    struct stmmac_rxq_cfg rx_queues_cfg[MTL_MAX_RX_QUEUES];
    struct stmmac_txq_cfg tx_queues_cfg[MTL_MAX_TX_QUEUES];
    void (*fix_mac_speed)(void *priv, unsigned int speed);
    int (*serdes_powerup)(struct net_device *ndev, void *priv);
    void (*serdes_powerdown)(struct net_device *ndev, void *priv);
    int (*init)(struct platform_device *pdev, void *priv);
    void (*exit)(struct platform_device *pdev, void *priv);
    void (*get_eth_addr)(void *priv, unsigned char *addr);
    struct mac_device_info *(*setup)(void *priv);
    void *bsp_priv;
    struct clk *stmmac_clk;
    struct clk *pclk;
    struct clk *clk_ptp_ref;
    unsigned int clk_ptp_rate;
    unsigned int clk_ref_rate;
    s32 ptp_max_adj;
    struct reset_control *stmmac_rst;
    struct stmmac_axi *axi;
    int has_gmac4;
    bool has_sun8i;
    bool tso_en;
    int rss_en;
    int mac_port_sel_speed;
    bool en_tx_lpi_clockgating;
    int has_xgmac;
    bool vlan_fail_q_en;
    u8 vlan_fail_q;
    unsigned int eee_usecs_rate;
    bool sph_disable;
};
#endif