/* * B53 register access through Switch Register Access Bridge Registers * * Copyright (C) 2013 Hauke Mehrtens <[email protected]> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/platform_data/b53.h> #include <linux/of.h> #include "b53_priv.h" #include "b53_serdes.h" /* command and status register of the SRAB */ #define B53_SRAB_CMDSTAT … #define B53_SRAB_CMDSTAT_RST … #define B53_SRAB_CMDSTAT_WRITE … #define B53_SRAB_CMDSTAT_GORDYN … #define B53_SRAB_CMDSTAT_PAGE … #define B53_SRAB_CMDSTAT_REG … /* high order word of write data to switch registe */ #define B53_SRAB_WD_H … /* low order word of write data to switch registe */ #define B53_SRAB_WD_L … /* high order word of read data from switch register */ #define B53_SRAB_RD_H … /* low order word of read data from switch register */ #define B53_SRAB_RD_L … /* command and status register of the SRAB */ #define B53_SRAB_CTRLS … #define B53_SRAB_CTRLS_HOST_INTR … #define B53_SRAB_CTRLS_RCAREQ … #define B53_SRAB_CTRLS_RCAGNT … #define B53_SRAB_CTRLS_SW_INIT_DONE … /* the register captures interrupt pulses from the switch */ #define B53_SRAB_INTR … #define B53_SRAB_INTR_P(x) … #define B53_SRAB_SWITCH_PHY … #define B53_SRAB_1588_SYNC … #define B53_SRAB_IMP1_SLEEP_TIMER … #define B53_SRAB_P7_SLEEP_TIMER … #define B53_SRAB_IMP0_SLEEP_TIMER … /* Port mux configuration registers */ #define B53_MUX_CONFIG_P5 … #define MUX_CONFIG_SGMII … #define MUX_CONFIG_MII_LITE … #define MUX_CONFIG_RGMII … #define MUX_CONFIG_GMII … #define MUX_CONFIG_GPHY … #define MUX_CONFIG_INTERNAL … #define MUX_CONFIG_MASK … #define B53_MUX_CONFIG_P4 … struct b53_srab_port_priv { … }; struct b53_srab_priv { … }; static int b53_srab_request_grant(struct b53_device *dev) { … } static void b53_srab_release_grant(struct b53_device *dev) { … } static int b53_srab_op(struct b53_device *dev, u8 page, u8 reg, u32 op) { … } static int b53_srab_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val) { … } static int b53_srab_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val) { … } static int b53_srab_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val) { … } static int b53_srab_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val) { … } static int b53_srab_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val) { … } static int b53_srab_write8(struct b53_device *dev, u8 page, u8 reg, u8 value) { … } static int b53_srab_write16(struct b53_device *dev, u8 page, u8 reg, u16 value) { … } static int b53_srab_write32(struct b53_device *dev, u8 page, u8 reg, u32 value) { … } static int b53_srab_write48(struct b53_device *dev, u8 page, u8 reg, u64 value) { … } static int b53_srab_write64(struct b53_device *dev, u8 page, u8 reg, u64 value) { … } static irqreturn_t b53_srab_port_thread(int irq, void *dev_id) { … } static irqreturn_t b53_srab_port_isr(int irq, void *dev_id) { … } #if IS_ENABLED(CONFIG_B53_SERDES) static u8 b53_srab_serdes_map_lane(struct b53_device *dev, int port) { … } #endif static int b53_srab_irq_enable(struct b53_device *dev, int port) { … } static void b53_srab_irq_disable(struct b53_device *dev, int port) { … } static void b53_srab_phylink_get_caps(struct b53_device *dev, int port, struct phylink_config *config) { … } static const struct b53_io_ops b53_srab_ops = …; static const struct of_device_id b53_srab_of_match[] = …; MODULE_DEVICE_TABLE(of, b53_srab_of_match); static void b53_srab_intr_set(struct b53_srab_priv *priv, bool set) { … } static void b53_srab_prepare_irq(struct platform_device *pdev) { … } static void b53_srab_mux_init(struct platform_device *pdev) { … } static int b53_srab_probe(struct platform_device *pdev) { … } static void b53_srab_remove(struct platform_device *pdev) { … } static void b53_srab_shutdown(struct platform_device *pdev) { … } static struct platform_driver b53_srab_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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