mirror of
git://nv-tegra.nvidia.com/linux-nv-oot.git
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9dc14f1027
Remove references to upstream prod settings and use legacy prod. Bug 4765671 Change-Id: Iafe36bdeab027ae121a99bfda665cc28089907c6 Signed-off-by: Krishna Yarlagadda <kyarlagadda@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3186209 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
130 lines
3.3 KiB
C
130 lines
3.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2022-2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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*/
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#ifndef _M_TTCAN_LINUX_H
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#define _M_TTCAN_LINUX_H
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#include <linux/list.h>
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#include <linux/vmalloc.h>
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#include <linux/slab.h>
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#include <linux/kernel.h>
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#include <linux/netdevice.h>
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#include <linux/can/dev.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/interrupt.h>
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#include <linux/delay.h>
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#include <linux/if_arp.h>
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#include <linux/if_ether.h>
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#include <linux/io.h>
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#include <linux/gpio.h>
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#include <linux/of_gpio.h>
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#include <linux/platform_device.h>
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#include <linux/clk.h>
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#include <linux/reset.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <linux/pinctrl/consumer.h>
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#include <linux/pm_runtime.h>
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#include <linux/net_tstamp.h>
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#include <linux/spinlock.h>
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#include <linux/clocksource.h>
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#if defined(CONFIG_TEGRA_PROD_LEGACY)
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#include <linux/tegra_prod.h>
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#endif
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#include <linux/platform/tegra/ptp-notifier.h>
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#include <linux/mailbox_client.h>
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#ifdef CONFIG_CLK_SRC_TEGRA18_US_TIMER
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#include <linux/tegra-us-timer.h>
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#endif
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#include <asm/io.h>
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#include "m_ttcan_ivc.h"
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#define MTTCAN_RX_FIFO_INTR (0xFF)
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#define MTTCAN_RX_HP_INTR (0x1 << 8)
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#define MTTCAN_TX_EV_FIFO_INTR (0xF << 12)
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#define MTTCAN_ERR_INTR (0x1FF9 << 17)
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#define MTTCAN_BUS_OFF (1 << 25)
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#define MTTCAN_ERR_WARN (1 << 24)
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#define MTTCAN_ERR_PASS (1 << 23)
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#define MTT_CAN_NAPI_WEIGHT 64
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#define MTT_CAN_TX_OBJ_NUM 32
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#define MTT_CAN_MAX_MRAM_ELEMS 9
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#define MTT_MAX_TX_CONF 4
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#define MTT_MAX_RX_CONF 3
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#define MTTCAN_POLL_TIME 50
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#define MTTCAN_HWTS_ROLLOVER 250
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/* block period in ms */
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#define TX_BLOCK_PERIOD 200
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#define TSC_REF_CLK_RATE 31250000
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#define MTTCAN_TSC_SIZE 16U
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#define MTTCAN_TSC_MASK 0xFFFFULL
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#define TSC_REF_CLK_SHIFT 9U
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struct tegra_mttcan_soc_info {
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bool set_can_core_clk;
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unsigned long can_core_clk_rate;
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unsigned long can_clk_rate;
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bool use_external_timer;
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};
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struct can_gpio {
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struct gpio_desc *gpio;
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int active_low;
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};
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struct mttcan_priv {
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struct can_priv can;
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struct ttcan_controller *ttcan;
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const struct tegra_mttcan_soc_info *sinfo;
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struct delayed_work can_work;
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struct delayed_work drv_restart_work;
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struct napi_struct napi;
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struct net_device *dev;
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struct device *device;
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struct clk *can_clk, *host_clk, *core_clk;
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struct can_gpio gpio_can_en;
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struct can_gpio gpio_can_stb;
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struct timer_list timer;
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struct cyclecounter cc;
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struct timecounter tc;
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struct hwtstamp_config hwtstamp_config;
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struct mbox_client cl;
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struct completion xfer_completion;
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struct mbox_chan *mbox;
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raw_spinlock_t tc_lock; /* lock to protect timecounter infra */
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spinlock_t tslock; /* lock to protect ioctl */
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spinlock_t tx_lock; /* lock to protect transmit path */
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void __iomem *regs;
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void __iomem *mres;
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void *std_shadow;
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void *xtd_shadow;
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void *tmc_shadow;
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u32 gfc_reg;
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u32 xidam_reg;
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u32 irq_flags;
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u32 irq_ttflags;
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u32 irqstatus;
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u32 tt_irqstatus;
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u32 instance;
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int tt_intrs;
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int tt_param[2];
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u32 mram_param[MTT_CAN_MAX_MRAM_ELEMS];
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u32 tx_conf[MTT_MAX_TX_CONF]; /*<txb, txq, txq_mode, txb_dsize>*/
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u32 rx_conf[MTT_MAX_RX_CONF]; /*<rxb_dsize, rxq0_dsize, rxq1_dsize>*/
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bool poll;
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bool hwts_rx_en;
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u32 resp;
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};
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int mttcan_create_sys_files(struct device *dev);
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void mttcan_delete_sys_files(struct device *dev);
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#endif
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