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/* SPDX-License-Identifier: GPL-2.0 */
/* HWMON driver for Aquantia PHY
*
* Author: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
* Author: Andrew Lunn <andrew@lunn.ch>
* Author: Heiner Kallweit <hkallweit1@gmail.com>
*/
#ifndef AQUANTIA_H
#define AQUANTIA_H
#include <linux/device.h>
#include <linux/phy.h>
/* Vendor specific 1, MDIO_MMD_VEND1 */
#define VEND1_GLOBAL_SC 0x0
#define VEND1_GLOBAL_SC_SOFT_RESET BIT(15)
#define VEND1_GLOBAL_SC_LOW_POWER BIT(11)
#define VEND1_GLOBAL_FW_ID 0x0020
#define VEND1_GLOBAL_FW_ID_MAJOR GENMASK(15, 8)
#define VEND1_GLOBAL_FW_ID_MINOR GENMASK(7, 0)
#define VEND1_GLOBAL_MAILBOX_INTERFACE1 0x0200
#define VEND1_GLOBAL_MAILBOX_INTERFACE1_EXECUTE BIT(15)
#define VEND1_GLOBAL_MAILBOX_INTERFACE1_WRITE BIT(14)
#define VEND1_GLOBAL_MAILBOX_INTERFACE1_CRC_RESET BIT(12)
#define VEND1_GLOBAL_MAILBOX_INTERFACE1_BUSY BIT(8)
#define VEND1_GLOBAL_MAILBOX_INTERFACE2 0x0201
#define VEND1_GLOBAL_MAILBOX_INTERFACE3 0x0202
#define VEND1_GLOBAL_MAILBOX_INTERFACE3_MSW_ADDR_MASK GENMASK(15, 0)
#define VEND1_GLOBAL_MAILBOX_INTERFACE3_MSW_ADDR(x) FIELD_PREP(VEND1_GLOBAL_MAILBOX_INTERFACE3_MSW_ADDR_MASK, (u16)((x) >> 16))
#define VEND1_GLOBAL_MAILBOX_INTERFACE4 0x0203
#define VEND1_GLOBAL_MAILBOX_INTERFACE4_LSW_ADDR_MASK GENMASK(15, 2)
#define VEND1_GLOBAL_MAILBOX_INTERFACE4_LSW_ADDR(x) FIELD_PREP(VEND1_GLOBAL_MAILBOX_INTERFACE4_LSW_ADDR_MASK, (u16)(x))
#define VEND1_GLOBAL_MAILBOX_INTERFACE5 0x0204
#define VEND1_GLOBAL_MAILBOX_INTERFACE5_MSW_DATA_MASK GENMASK(15, 0)
#define VEND1_GLOBAL_MAILBOX_INTERFACE5_MSW_DATA(x) FIELD_PREP(VEND1_GLOBAL_MAILBOX_INTERFACE5_MSW_DATA_MASK, (u16)((x) >> 16))
#define VEND1_GLOBAL_MAILBOX_INTERFACE6 0x0205
#define VEND1_GLOBAL_MAILBOX_INTERFACE6_LSW_DATA_MASK GENMASK(15, 0)
#define VEND1_GLOBAL_MAILBOX_INTERFACE6_LSW_DATA(x) FIELD_PREP(VEND1_GLOBAL_MAILBOX_INTERFACE6_LSW_DATA_MASK, (u16)(x))
/* The following registers all have similar layouts; first the registers... */
#define VEND1_GLOBAL_CFG_10M 0x0310
#define VEND1_GLOBAL_CFG_100M 0x031b
#define VEND1_GLOBAL_CFG_1G 0x031c
#define VEND1_GLOBAL_CFG_2_5G 0x031d
#define VEND1_GLOBAL_CFG_5G 0x031e
#define VEND1_GLOBAL_CFG_10G 0x031f
/* ...and now the fields */
#define VEND1_GLOBAL_CFG_SERDES_MODE GENMASK(2, 0)
#define VEND1_GLOBAL_CFG_SERDES_MODE_XFI 0
#define VEND1_GLOBAL_CFG_SERDES_MODE_SGMII 3
#define VEND1_GLOBAL_CFG_SERDES_MODE_OCSGMII 4
#define VEND1_GLOBAL_CFG_SERDES_MODE_XFI5G 6
#define VEND1_GLOBAL_CFG_RATE_ADAPT GENMASK(8, 7)
#define VEND1_GLOBAL_CFG_RATE_ADAPT_NONE 0
#define VEND1_GLOBAL_CFG_RATE_ADAPT_USX 1
#define VEND1_GLOBAL_CFG_RATE_ADAPT_PAUSE 2
/* Vendor specific 1, MDIO_MMD_VEND2 */
#define VEND1_GLOBAL_CONTROL2 0xc001
#define VEND1_GLOBAL_CONTROL2_UP_RUN_STALL_RST BIT(15)
#define VEND1_GLOBAL_CONTROL2_UP_RUN_STALL_OVD BIT(6)
#define VEND1_GLOBAL_CONTROL2_UP_RUN_STALL BIT(0)
#define VEND1_GLOBAL_LED_PROV 0xc430
#define AQR_LED_PROV(x) (VEND1_GLOBAL_LED_PROV + (x))
#define VEND1_GLOBAL_LED_PROV_LINK2500 BIT(14)
#define VEND1_GLOBAL_LED_PROV_LINK5000 BIT(15)
#define VEND1_GLOBAL_LED_PROV_FORCE_ON BIT(8)
#define VEND1_GLOBAL_LED_PROV_LINK10000 BIT(7)
#define VEND1_GLOBAL_LED_PROV_LINK1000 BIT(6)
#define VEND1_GLOBAL_LED_PROV_LINK100 BIT(5)
#define VEND1_GLOBAL_LED_PROV_RX_ACT BIT(3)
#define VEND1_GLOBAL_LED_PROV_TX_ACT BIT(2)
#define VEND1_GLOBAL_LED_PROV_ACT_STRETCH GENMASK(0, 1)
#define VEND1_GLOBAL_LED_PROV_LINK_MASK (VEND1_GLOBAL_LED_PROV_LINK100 | \
VEND1_GLOBAL_LED_PROV_LINK1000 | \
VEND1_GLOBAL_LED_PROV_LINK10000 | \
VEND1_GLOBAL_LED_PROV_LINK5000 | \
VEND1_GLOBAL_LED_PROV_LINK2500)
#define VEND1_GLOBAL_LED_DRIVE 0xc438
#define VEND1_GLOBAL_LED_DRIVE_VDD BIT(1)
#define AQR_LED_DRIVE(x) (VEND1_GLOBAL_LED_DRIVE + (x))
#define VEND1_THERMAL_PROV_HIGH_TEMP_FAIL 0xc421
#define VEND1_THERMAL_PROV_LOW_TEMP_FAIL 0xc422
#define VEND1_THERMAL_PROV_HIGH_TEMP_WARN 0xc423
#define VEND1_THERMAL_PROV_LOW_TEMP_WARN 0xc424
#define VEND1_THERMAL_STAT1 0xc820
#define VEND1_THERMAL_STAT2 0xc821
#define VEND1_THERMAL_STAT2_VALID BIT(0)
#define VEND1_GENERAL_STAT1 0xc830
#define VEND1_GENERAL_STAT1_HIGH_TEMP_FAIL BIT(14)
#define VEND1_GENERAL_STAT1_LOW_TEMP_FAIL BIT(13)
#define VEND1_GENERAL_STAT1_HIGH_TEMP_WARN BIT(12)
#define VEND1_GENERAL_STAT1_LOW_TEMP_WARN BIT(11)
#define VEND1_GLOBAL_GEN_STAT2 0xc831
#define VEND1_GLOBAL_GEN_STAT2_OP_IN_PROG BIT(15)
#define VEND1_GLOBAL_RSVD_STAT1 0xc885
#define VEND1_GLOBAL_RSVD_STAT1_FW_BUILD_ID GENMASK(7, 4)
#define VEND1_GLOBAL_RSVD_STAT1_PROV_ID GENMASK(3, 0)
#define VEND1_GLOBAL_RSVD_STAT9 0xc88d
#define VEND1_GLOBAL_RSVD_STAT9_MODE GENMASK(7, 0)
#define VEND1_GLOBAL_RSVD_STAT9_1000BT2 0x23
/* MDIO_MMD_C22EXT */
#define MDIO_C22EXT_STAT_SGMII_RX_GOOD_FRAMES 0xd292
#define MDIO_C22EXT_STAT_SGMII_RX_BAD_FRAMES 0xd294
#define MDIO_C22EXT_STAT_SGMII_RX_FALSE_CARRIER 0xd297
#define MDIO_C22EXT_STAT_SGMII_TX_GOOD_FRAMES 0xd313
#define MDIO_C22EXT_STAT_SGMII_TX_BAD_FRAMES 0xd315
#define MDIO_C22EXT_STAT_SGMII_TX_FALSE_CARRIER 0xd317
#define MDIO_C22EXT_STAT_SGMII_TX_COLLISIONS 0xd318
#define MDIO_C22EXT_STAT_SGMII_TX_LINE_COLLISIONS 0xd319
#define MDIO_C22EXT_STAT_SGMII_TX_FRAME_ALIGN_ERR 0xd31a
#define MDIO_C22EXT_STAT_SGMII_TX_RUNT_FRAMES 0xd31b
#define VEND1_GLOBAL_INT_STD_STATUS 0xfc00
#define VEND1_GLOBAL_INT_VEND_STATUS 0xfc01
#define VEND1_GLOBAL_INT_STD_MASK 0xff00
#define VEND1_GLOBAL_INT_STD_MASK_PMA1 BIT(15)
#define VEND1_GLOBAL_INT_STD_MASK_PMA2 BIT(14)
#define VEND1_GLOBAL_INT_STD_MASK_PCS1 BIT(13)
#define VEND1_GLOBAL_INT_STD_MASK_PCS2 BIT(12)
#define VEND1_GLOBAL_INT_STD_MASK_PCS3 BIT(11)
#define VEND1_GLOBAL_INT_STD_MASK_PHY_XS1 BIT(10)
#define VEND1_GLOBAL_INT_STD_MASK_PHY_XS2 BIT(9)
#define VEND1_GLOBAL_INT_STD_MASK_AN1 BIT(8)
#define VEND1_GLOBAL_INT_STD_MASK_AN2 BIT(7)
#define VEND1_GLOBAL_INT_STD_MASK_GBE BIT(6)
#define VEND1_GLOBAL_INT_STD_MASK_ALL BIT(0)
#define VEND1_GLOBAL_INT_VEND_MASK 0xff01
#define VEND1_GLOBAL_INT_VEND_MASK_PMA BIT(15)
#define VEND1_GLOBAL_INT_VEND_MASK_PCS BIT(14)
#define VEND1_GLOBAL_INT_VEND_MASK_PHY_XS BIT(13)
#define VEND1_GLOBAL_INT_VEND_MASK_AN BIT(12)
#define VEND1_GLOBAL_INT_VEND_MASK_GBE BIT(11)
#define VEND1_GLOBAL_INT_VEND_MASK_GLOBAL1 BIT(2)
#define VEND1_GLOBAL_INT_VEND_MASK_GLOBAL2 BIT(1)
#define VEND1_GLOBAL_INT_VEND_MASK_GLOBAL3 BIT(0)
#define AQR_MAX_LEDS 3
struct aqr107_hw_stat {
const char *name;
int reg;
int size;
};
#define SGMII_STAT(n, r, s) { n, MDIO_C22EXT_STAT_SGMII_ ## r, s }
static const struct aqr107_hw_stat aqr107_hw_stats[] = {
SGMII_STAT("sgmii_rx_good_frames", RX_GOOD_FRAMES, 26),
SGMII_STAT("sgmii_rx_bad_frames", RX_BAD_FRAMES, 26),
SGMII_STAT("sgmii_rx_false_carrier_events", RX_FALSE_CARRIER, 8),
SGMII_STAT("sgmii_tx_good_frames", TX_GOOD_FRAMES, 26),
SGMII_STAT("sgmii_tx_bad_frames", TX_BAD_FRAMES, 26),
SGMII_STAT("sgmii_tx_false_carrier_events", TX_FALSE_CARRIER, 8),
SGMII_STAT("sgmii_tx_collisions", TX_COLLISIONS, 8),
SGMII_STAT("sgmii_tx_line_collisions", TX_LINE_COLLISIONS, 8),
SGMII_STAT("sgmii_tx_frame_alignment_err", TX_FRAME_ALIGN_ERR, 16),
SGMII_STAT("sgmii_tx_runt_frames", TX_RUNT_FRAMES, 22),
};
#define AQR107_SGMII_STAT_SZ ARRAY_SIZE(aqr107_hw_stats)
struct aqr107_priv {
u64 sgmii_stats[AQR107_SGMII_STAT_SZ];
unsigned long leds_active_low;
};
#if IS_REACHABLE(CONFIG_HWMON)
int aqr_hwmon_probe(struct phy_device *phydev);
#else
static inline int aqr_hwmon_probe(struct phy_device *phydev) { return 0; }
#endif
int aqr_firmware_load(struct phy_device *phydev);
int aqr_phy_led_blink_set(struct phy_device *phydev, u8 index,
unsigned long *delay_on,
unsigned long *delay_off);
int aqr_phy_led_brightness_set(struct phy_device *phydev,
u8 index, enum led_brightness value);
int aqr_phy_led_hw_is_supported(struct phy_device *phydev, u8 index,
unsigned long rules);
int aqr_phy_led_hw_control_get(struct phy_device *phydev, u8 index,
unsigned long *rules);
int aqr_phy_led_hw_control_set(struct phy_device *phydev, u8 index,
unsigned long rules);
int aqr_phy_led_active_low_set(struct phy_device *phydev, int index, bool enable);
int aqr_phy_led_polarity_set(struct phy_device *phydev, int index,
unsigned long modes);
int aqr_wait_reset_complete(struct phy_device *phydev);
#endif /* AQUANTIA_H */
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