Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 149 insertions, 0 deletions

diff --git a/drivers/ptp/ptp_clockmatrix.h b/drivers/ptp/ptp_clockmatrix.h
new file mode 100644
index 000000000..82840d723
--- /dev/null
+++ b/drivers/ptp/ptp_clockmatrix.h
@@ -0,0 +1,149 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * PTP hardware clock driver for the IDT ClockMatrix(TM) family of timing and
+ * synchronization devices.
+ *
+ * Copyright (C) 2019 Integrated Device Technology, Inc., a Renesas Company.
+ */
+#ifndef PTP_IDTCLOCKMATRIX_H
+#define PTP_IDTCLOCKMATRIX_H
+
+#include <linux/ktime.h>
+
+#include "idt8a340_reg.h"
+
+#define FW_FILENAME	"idtcm.bin"
+#define MAX_TOD		(4)
+#define MAX_PLL		(8)
+
+#define MAX_ABS_WRITE_PHASE_PICOSECONDS (107374182350LL)
+
+#define TOD_MASK_ADDR		(0xFFA5)
+#define DEFAULT_TOD_MASK	(0x04)
+
+#define SET_U16_LSB(orig, val8) (orig = (0xff00 & (orig)) | (val8))
+#define SET_U16_MSB(orig, val8) (orig = (0x00ff & (orig)) | (val8 << 8))
+
+#define TOD0_PTP_PLL_ADDR		(0xFFA8)
+#define TOD1_PTP_PLL_ADDR		(0xFFA9)
+#define TOD2_PTP_PLL_ADDR		(0xFFAA)
+#define TOD3_PTP_PLL_ADDR		(0xFFAB)
+
+#define TOD0_OUT_ALIGN_MASK_ADDR	(0xFFB0)
+#define TOD1_OUT_ALIGN_MASK_ADDR	(0xFFB2)
+#define TOD2_OUT_ALIGN_MASK_ADDR	(0xFFB4)
+#define TOD3_OUT_ALIGN_MASK_ADDR	(0xFFB6)
+
+#define DEFAULT_OUTPUT_MASK_PLL0	(0x003)
+#define DEFAULT_OUTPUT_MASK_PLL1	(0x00c)
+#define DEFAULT_OUTPUT_MASK_PLL2	(0x030)
+#define DEFAULT_OUTPUT_MASK_PLL3	(0x0c0)
+
+#define DEFAULT_TOD0_PTP_PLL		(0)
+#define DEFAULT_TOD1_PTP_PLL		(1)
+#define DEFAULT_TOD2_PTP_PLL		(2)
+#define DEFAULT_TOD3_PTP_PLL		(3)
+
+#define POST_SM_RESET_DELAY_MS		(3000)
+#define PHASE_PULL_IN_THRESHOLD_NS	(150000)
+#define PHASE_PULL_IN_THRESHOLD_NS_V487	(15000)
+#define TOD_WRITE_OVERHEAD_COUNT_MAX	(2)
+#define TOD_BYTE_COUNT			(11)
+#define WR_PHASE_SETUP_MS		(5000)
+
+#define OUTPUT_MODULE_FROM_INDEX(index)	(OUTPUT_0 + (index) * 0x10)
+
+#define PEROUT_ENABLE_OUTPUT_MASK		(0xdeadbeef)
+
+#define IDTCM_MAX_WRITE_COUNT			(512)
+
+/* Values of DPLL_N.DPLL_MODE.PLL_MODE */
+enum pll_mode {
+	PLL_MODE_MIN = 0,
+	PLL_MODE_NORMAL = PLL_MODE_MIN,
+	PLL_MODE_WRITE_PHASE = 1,
+	PLL_MODE_WRITE_FREQUENCY = 2,
+	PLL_MODE_GPIO_INC_DEC = 3,
+	PLL_MODE_SYNTHESIS = 4,
+	PLL_MODE_PHASE_MEASUREMENT = 5,
+	PLL_MODE_DISABLED = 6,
+	PLL_MODE_MAX = PLL_MODE_DISABLED,
+};
+
+enum hw_tod_write_trig_sel {
+	HW_TOD_WR_TRIG_SEL_MIN = 0,
+	HW_TOD_WR_TRIG_SEL_MSB = HW_TOD_WR_TRIG_SEL_MIN,
+	HW_TOD_WR_TRIG_SEL_RESERVED = 1,
+	HW_TOD_WR_TRIG_SEL_TOD_PPS = 2,
+	HW_TOD_WR_TRIG_SEL_IRIGB_PPS = 3,
+	HW_TOD_WR_TRIG_SEL_PWM_PPS = 4,
+	HW_TOD_WR_TRIG_SEL_GPIO = 5,
+	HW_TOD_WR_TRIG_SEL_FOD_SYNC = 6,
+	WR_TRIG_SEL_MAX = HW_TOD_WR_TRIG_SEL_FOD_SYNC,
+};
+
+/* 4.8.7 only */
+enum scsr_tod_write_trig_sel {
+	SCSR_TOD_WR_TRIG_SEL_DISABLE = 0,
+	SCSR_TOD_WR_TRIG_SEL_IMMEDIATE = 1,
+	SCSR_TOD_WR_TRIG_SEL_REFCLK = 2,
+	SCSR_TOD_WR_TRIG_SEL_PWMPPS = 3,
+	SCSR_TOD_WR_TRIG_SEL_TODPPS = 4,
+	SCSR_TOD_WR_TRIG_SEL_SYNCFOD = 5,
+	SCSR_TOD_WR_TRIG_SEL_GPIO = 6,
+	SCSR_TOD_WR_TRIG_SEL_MAX = SCSR_TOD_WR_TRIG_SEL_GPIO,
+};
+
+/* 4.8.7 only */
+enum scsr_tod_write_type_sel {
+	SCSR_TOD_WR_TYPE_SEL_ABSOLUTE = 0,
+	SCSR_TOD_WR_TYPE_SEL_DELTA_PLUS = 1,
+	SCSR_TOD_WR_TYPE_SEL_DELTA_MINUS = 2,
+	SCSR_TOD_WR_TYPE_SEL_MAX = SCSR_TOD_WR_TYPE_SEL_DELTA_MINUS,
+};
+
+struct idtcm;
+
+struct idtcm_channel {
+	struct ptp_clock_info	caps;
+	struct ptp_clock	*ptp_clock;
+	struct idtcm		*idtcm;
+	u16			dpll_phase;
+	u16			dpll_freq;
+	u16			dpll_n;
+	u16			dpll_ctrl_n;
+	u16			dpll_phase_pull_in;
+	u16			tod_read_primary;
+	u16			tod_write;
+	u16			tod_n;
+	u16			hw_dpll_n;
+	enum pll_mode		pll_mode;
+	u8			pll;
+	u16			output_mask;
+	int			write_phase_ready;
+};
+
+struct idtcm {
+	struct idtcm_channel	channel[MAX_TOD];
+	struct i2c_client	*client;
+	u8			page_offset;
+	u8			tod_mask;
+	char			version[16];
+
+	/* Overhead calculation for adjtime */
+	u8			calculate_overhead_flag;
+	s64			tod_write_overhead_ns;
+	ktime_t			start_time;
+
+	/* Protects I2C read/modify/write registers from concurrent access */
+	struct mutex		reg_lock;
+};
+
+struct idtcm_fwrc {
+	u8 hiaddr;
+	u8 loaddr;
+	u8 value;
+	u8 reserved;
+} __packed;
+
+#endif /* PTP_IDTCLOCKMATRIX_H */