diff options
author | Yangbo Lu <yangbo.lu@nxp.com> | 2018-10-08 15:44:25 +0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2018-10-08 10:23:22 -0700 |
commit | 0a006a2f894018c9042772833a0ca077c31d4f78 (patch) | |
tree | 11ac8c4e84442dfce6b59d55b03138b77e9c1499 /drivers/net | |
parent | abf1a08ff3237a27188ff8cc2904f2cea893af55 (diff) |
net: dpaa2: move DPAA2 PTP driver out of staging/
This patch is to move DPAA2 PTP driver out of staging/
since the dpaa2-eth had been moved out.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/ethernet/freescale/Kconfig | 9 | ||||
-rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/Kconfig | 17 | ||||
-rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/Makefile | 6 | ||||
-rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp.c | 229 | ||||
-rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp.h | 14 | ||||
-rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dprtc-cmd.h | 137 | ||||
-rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dprtc.c | 701 | ||||
-rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dprtc.h | 164 |
8 files changed, 1267 insertions, 10 deletions
diff --git a/drivers/net/ethernet/freescale/Kconfig b/drivers/net/ethernet/freescale/Kconfig index 7a30276e1ba6..d3a62bc1f1c6 100644 --- a/drivers/net/ethernet/freescale/Kconfig +++ b/drivers/net/ethernet/freescale/Kconfig @@ -96,13 +96,6 @@ config GIANFAR on the 8540. source "drivers/net/ethernet/freescale/dpaa/Kconfig" - -config FSL_DPAA2_ETH - tristate "Freescale DPAA2 Ethernet" - depends on FSL_MC_BUS && FSL_MC_DPIO - depends on NETDEVICES && ETHERNET - ---help--- - Ethernet driver for Freescale DPAA2 SoCs, using the - Freescale MC bus driver +source "drivers/net/ethernet/freescale/dpaa2/Kconfig" endif # NET_VENDOR_FREESCALE diff --git a/drivers/net/ethernet/freescale/dpaa2/Kconfig b/drivers/net/ethernet/freescale/dpaa2/Kconfig new file mode 100644 index 000000000000..67e64618b731 --- /dev/null +++ b/drivers/net/ethernet/freescale/dpaa2/Kconfig @@ -0,0 +1,17 @@ +config FSL_DPAA2_ETH + tristate "Freescale DPAA2 Ethernet" + depends on FSL_MC_BUS && FSL_MC_DPIO + depends on NETDEVICES && ETHERNET + help + This is the DPAA2 Ethernet driver supporting Freescale SoCs + with DPAA2 (DataPath Acceleration Architecture v2). + The driver manages network objects discovered on the Freescale + MC bus. + +config FSL_DPAA2_PTP_CLOCK + tristate "Freescale DPAA2 PTP Clock" + depends on FSL_DPAA2_ETH && POSIX_TIMERS + select PTP_1588_CLOCK + help + This driver adds support for using the DPAA2 1588 timer module + as a PTP clock. diff --git a/drivers/net/ethernet/freescale/dpaa2/Makefile b/drivers/net/ethernet/freescale/dpaa2/Makefile index 9315ecdba612..2f424e0a8225 100644 --- a/drivers/net/ethernet/freescale/dpaa2/Makefile +++ b/drivers/net/ethernet/freescale/dpaa2/Makefile @@ -3,9 +3,11 @@ # Makefile for the Freescale DPAA2 Ethernet controller # -obj-$(CONFIG_FSL_DPAA2_ETH) += fsl-dpaa2-eth.o +obj-$(CONFIG_FSL_DPAA2_ETH) += fsl-dpaa2-eth.o +obj-$(CONFIG_FSL_DPAA2_PTP_CLOCK) += fsl-dpaa2-ptp.o -fsl-dpaa2-eth-objs := dpaa2-eth.o dpaa2-ethtool.o dpni.o +fsl-dpaa2-eth-objs := dpaa2-eth.o dpaa2-ethtool.o dpni.o +fsl-dpaa2-ptp-objs := dpaa2-ptp.o dprtc.o # Needed by the tracing framework CFLAGS_dpaa2-eth.o := -I$(src) diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp.c new file mode 100644 index 000000000000..2e90d5a3d920 --- /dev/null +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp.c @@ -0,0 +1,229 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2013-2016 Freescale Semiconductor Inc. + * Copyright 2016-2018 NXP + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/ptp_clock_kernel.h> +#include <linux/fsl/mc.h> + +#include "dpaa2-ptp.h" + +struct ptp_dpaa2_priv { + struct fsl_mc_device *rtc_mc_dev; + struct ptp_clock *clock; + struct ptp_clock_info caps; + u32 freq_comp; +}; + +/* PTP clock operations */ +static int ptp_dpaa2_adjfreq(struct ptp_clock_info *ptp, s32 ppb) +{ + struct ptp_dpaa2_priv *ptp_dpaa2 = + container_of(ptp, struct ptp_dpaa2_priv, caps); + struct fsl_mc_device *mc_dev = ptp_dpaa2->rtc_mc_dev; + struct device *dev = &mc_dev->dev; + u64 adj; + u32 diff, tmr_add; + int neg_adj = 0; + int err = 0; + + if (ppb < 0) { + neg_adj = 1; + ppb = -ppb; + } + + tmr_add = ptp_dpaa2->freq_comp; + adj = tmr_add; + adj *= ppb; + diff = div_u64(adj, 1000000000ULL); + + tmr_add = neg_adj ? tmr_add - diff : tmr_add + diff; + + err = dprtc_set_freq_compensation(mc_dev->mc_io, 0, + mc_dev->mc_handle, tmr_add); + if (err) + dev_err(dev, "dprtc_set_freq_compensation err %d\n", err); + return 0; +} + +static int ptp_dpaa2_adjtime(struct ptp_clock_info *ptp, s64 delta) +{ + struct ptp_dpaa2_priv *ptp_dpaa2 = + container_of(ptp, struct ptp_dpaa2_priv, caps); + struct fsl_mc_device *mc_dev = ptp_dpaa2->rtc_mc_dev; + struct device *dev = &mc_dev->dev; + s64 now; + int err = 0; + + err = dprtc_get_time(mc_dev->mc_io, 0, mc_dev->mc_handle, &now); + if (err) { + dev_err(dev, "dprtc_get_time err %d\n", err); + return 0; + } + + now += delta; + + err = dprtc_set_time(mc_dev->mc_io, 0, mc_dev->mc_handle, now); + if (err) { + dev_err(dev, "dprtc_set_time err %d\n", err); + return 0; + } + return 0; +} + +static int ptp_dpaa2_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts) +{ + struct ptp_dpaa2_priv *ptp_dpaa2 = + container_of(ptp, struct ptp_dpaa2_priv, caps); + struct fsl_mc_device *mc_dev = ptp_dpaa2->rtc_mc_dev; + struct device *dev = &mc_dev->dev; + u64 ns; + u32 remainder; + int err = 0; + + err = dprtc_get_time(mc_dev->mc_io, 0, mc_dev->mc_handle, &ns); + if (err) { + dev_err(dev, "dprtc_get_time err %d\n", err); + return 0; + } + + ts->tv_sec = div_u64_rem(ns, 1000000000, &remainder); + ts->tv_nsec = remainder; + return 0; +} + +static int ptp_dpaa2_settime(struct ptp_clock_info *ptp, + const struct timespec64 *ts) +{ + struct ptp_dpaa2_priv *ptp_dpaa2 = + container_of(ptp, struct ptp_dpaa2_priv, caps); + struct fsl_mc_device *mc_dev = ptp_dpaa2->rtc_mc_dev; + struct device *dev = &mc_dev->dev; + u64 ns; + int err = 0; + + ns = ts->tv_sec * 1000000000ULL; + ns += ts->tv_nsec; + + err = dprtc_set_time(mc_dev->mc_io, 0, mc_dev->mc_handle, ns); + if (err) + dev_err(dev, "dprtc_set_time err %d\n", err); + return 0; +} + +static struct ptp_clock_info ptp_dpaa2_caps = { + .owner = THIS_MODULE, + .name = "DPAA2 PTP Clock", + .max_adj = 512000, + .n_alarm = 2, + .n_ext_ts = 2, + .n_per_out = 3, + .n_pins = 0, + .pps = 1, + .adjfreq = ptp_dpaa2_adjfreq, + .adjtime = ptp_dpaa2_adjtime, + .gettime64 = ptp_dpaa2_gettime, + .settime64 = ptp_dpaa2_settime, +}; + +static int rtc_probe(struct fsl_mc_device *mc_dev) +{ + struct device *dev = &mc_dev->dev; + struct ptp_dpaa2_priv *ptp_dpaa2; + u32 tmr_add = 0; + int err; + + ptp_dpaa2 = kzalloc(sizeof(*ptp_dpaa2), GFP_KERNEL); + if (!ptp_dpaa2) + return -ENOMEM; + + err = fsl_mc_portal_allocate(mc_dev, 0, &mc_dev->mc_io); + if (err) { + dev_err(dev, "fsl_mc_portal_allocate err %d\n", err); + goto err_exit; + } + + err = dprtc_open(mc_dev->mc_io, 0, mc_dev->obj_desc.id, + &mc_dev->mc_handle); + if (err) { + dev_err(dev, "dprtc_open err %d\n", err); + goto err_free_mcp; + } + + ptp_dpaa2->rtc_mc_dev = mc_dev; + + err = dprtc_get_freq_compensation(mc_dev->mc_io, 0, + mc_dev->mc_handle, &tmr_add); + if (err) { + dev_err(dev, "dprtc_get_freq_compensation err %d\n", err); + goto err_close; + } + + ptp_dpaa2->freq_comp = tmr_add; + ptp_dpaa2->caps = ptp_dpaa2_caps; + + ptp_dpaa2->clock = ptp_clock_register(&ptp_dpaa2->caps, dev); + if (IS_ERR(ptp_dpaa2->clock)) { + err = PTR_ERR(ptp_dpaa2->clock); + goto err_close; + } + + dpaa2_phc_index = ptp_clock_index(ptp_dpaa2->clock); + + dev_set_drvdata(dev, ptp_dpaa2); + + return 0; + +err_close: + dprtc_close(mc_dev->mc_io, 0, mc_dev->mc_handle); +err_free_mcp: + fsl_mc_portal_free(mc_dev->mc_io); +err_exit: + kfree(ptp_dpaa2); + dev_set_drvdata(dev, NULL); + return err; +} + +static int rtc_remove(struct fsl_mc_device *mc_dev) +{ + struct ptp_dpaa2_priv *ptp_dpaa2; + struct device *dev = &mc_dev->dev; + + ptp_dpaa2 = dev_get_drvdata(dev); + ptp_clock_unregister(ptp_dpaa2->clock); + + dprtc_close(mc_dev->mc_io, 0, mc_dev->mc_handle); + fsl_mc_portal_free(mc_dev->mc_io); + + kfree(ptp_dpaa2); + dev_set_drvdata(dev, NULL); + + return 0; +} + +static const struct fsl_mc_device_id rtc_match_id_table[] = { + { + .vendor = FSL_MC_VENDOR_FREESCALE, + .obj_type = "dprtc", + }, + {} +}; +MODULE_DEVICE_TABLE(fslmc, rtc_match_id_table); + +static struct fsl_mc_driver rtc_drv = { + .driver = { + .name = KBUILD_MODNAME, + .owner = THIS_MODULE, + }, + .probe = rtc_probe, + .remove = rtc_remove, + .match_id_table = rtc_match_id_table, +}; + +module_fsl_mc_driver(rtc_drv); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("DPAA2 PTP Clock Driver"); diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp.h new file mode 100644 index 000000000000..ff2e177395d4 --- /dev/null +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp.h @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2018 NXP + */ + +#ifndef __RTC_H +#define __RTC_H + +#include "dprtc.h" +#include "dprtc-cmd.h" + +extern int dpaa2_phc_index; + +#endif diff --git a/drivers/net/ethernet/freescale/dpaa2/dprtc-cmd.h b/drivers/net/ethernet/freescale/dpaa2/dprtc-cmd.h new file mode 100644 index 000000000000..db6a473430cc --- /dev/null +++ b/drivers/net/ethernet/freescale/dpaa2/dprtc-cmd.h @@ -0,0 +1,137 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2013-2016 Freescale Semiconductor Inc. + * Copyright 2016-2018 NXP + */ + +#ifndef _FSL_DPRTC_CMD_H +#define _FSL_DPRTC_CMD_H + +/* DPRTC Version */ +#define DPRTC_VER_MAJOR 2 +#define DPRTC_VER_MINOR 0 + +/* Command versioning */ +#define DPRTC_CMD_BASE_VERSION 1 +#define DPRTC_CMD_ID_OFFSET 4 + +#define DPRTC_CMD(id) (((id) << DPRTC_CMD_ID_OFFSET) | DPRTC_CMD_BASE_VERSION) + +/* Command IDs */ +#define DPRTC_CMDID_CLOSE DPRTC_CMD(0x800) +#define DPRTC_CMDID_OPEN DPRTC_CMD(0x810) +#define DPRTC_CMDID_CREATE DPRTC_CMD(0x910) +#define DPRTC_CMDID_DESTROY DPRTC_CMD(0x990) +#define DPRTC_CMDID_GET_API_VERSION DPRTC_CMD(0xa10) + +#define DPRTC_CMDID_ENABLE DPRTC_CMD(0x002) +#define DPRTC_CMDID_DISABLE DPRTC_CMD(0x003) +#define DPRTC_CMDID_GET_ATTR DPRTC_CMD(0x004) +#define DPRTC_CMDID_RESET DPRTC_CMD(0x005) +#define DPRTC_CMDID_IS_ENABLED DPRTC_CMD(0x006) + +#define DPRTC_CMDID_SET_IRQ_ENABLE DPRTC_CMD(0x012) +#define DPRTC_CMDID_GET_IRQ_ENABLE DPRTC_CMD(0x013) +#define DPRTC_CMDID_SET_IRQ_MASK DPRTC_CMD(0x014) +#define DPRTC_CMDID_GET_IRQ_MASK DPRTC_CMD(0x015) +#define DPRTC_CMDID_GET_IRQ_STATUS DPRTC_CMD(0x016) +#define DPRTC_CMDID_CLEAR_IRQ_STATUS DPRTC_CMD(0x017) + +#define DPRTC_CMDID_SET_CLOCK_OFFSET DPRTC_CMD(0x1d0) +#define DPRTC_CMDID_SET_FREQ_COMPENSATION DPRTC_CMD(0x1d1) +#define DPRTC_CMDID_GET_FREQ_COMPENSATION DPRTC_CMD(0x1d2) +#define DPRTC_CMDID_GET_TIME DPRTC_CMD(0x1d3) +#define DPRTC_CMDID_SET_TIME DPRTC_CMD(0x1d4) +#define DPRTC_CMDID_SET_ALARM DPRTC_CMD(0x1d5) +#define DPRTC_CMDID_SET_PERIODIC_PULSE DPRTC_CMD(0x1d6) +#define DPRTC_CMDID_CLEAR_PERIODIC_PULSE DPRTC_CMD(0x1d7) +#define DPRTC_CMDID_SET_EXT_TRIGGER DPRTC_CMD(0x1d8) +#define DPRTC_CMDID_CLEAR_EXT_TRIGGER DPRTC_CMD(0x1d9) +#define DPRTC_CMDID_GET_EXT_TRIGGER_TIMESTAMP DPRTC_CMD(0x1dA) + +/* Macros for accessing command fields smaller than 1byte */ +#define DPRTC_MASK(field) \ + GENMASK(DPRTC_##field##_SHIFT + DPRTC_##field##_SIZE - 1, \ + DPRTC_##field##_SHIFT) +#define dprtc_get_field(var, field) \ + (((var) & DPRTC_MASK(field)) >> DPRTC_##field##_SHIFT) + +#pragma pack(push, 1) +struct dprtc_cmd_open { + __le32 dprtc_id; +}; + +struct dprtc_cmd_destroy { + __le32 object_id; +}; + +#define DPRTC_ENABLE_SHIFT 0 +#define DPRTC_ENABLE_SIZE 1 + +struct dprtc_rsp_is_enabled { + u8 en; +}; + +struct dprtc_cmd_get_irq { + __le32 pad; + u8 irq_index; +}; + +struct dprtc_cmd_set_irq_enable { + u8 en; + u8 pad[3]; + u8 irq_index; +}; + +struct dprtc_rsp_get_irq_enable { + u8 en; +}; + +struct dprtc_cmd_set_irq_mask { + __le32 mask; + u8 irq_index; +}; + +struct dprtc_rsp_get_irq_mask { + __le32 mask; +}; + +struct dprtc_cmd_get_irq_status { + __le32 status; + u8 irq_index; +}; + +struct dprtc_rsp_get_irq_status { + __le32 status; +}; + +struct dprtc_cmd_clear_irq_status { + __le32 status; + u8 irq_index; +}; + +struct dprtc_rsp_get_attributes { + __le32 pad; + __le32 id; +}; + +struct dprtc_cmd_set_clock_offset { + __le64 offset; +}; + +struct dprtc_get_freq_compensation { + __le32 freq_compensation; +}; + +struct dprtc_time { + __le64 time; +}; + +struct dprtc_rsp_get_api_version { + __le16 major; + __le16 minor; +}; + +#pragma pack(pop) + +#endif /* _FSL_DPRTC_CMD_H */ diff --git a/drivers/net/ethernet/freescale/dpaa2/dprtc.c b/drivers/net/ethernet/freescale/dpaa2/dprtc.c new file mode 100644 index 000000000000..68ae6ffefbf5 --- /dev/null +++ b/drivers/net/ethernet/freescale/dpaa2/dprtc.c @@ -0,0 +1,701 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2013-2016 Freescale Semiconductor Inc. + * Copyright 2016-2018 NXP + */ + +#include <linux/fsl/mc.h> + +#include "dprtc.h" +#include "dprtc-cmd.h" + +/** + * dprtc_open() - Open a control session for the specified object. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @dprtc_id: DPRTC unique ID + * @token: Returned token; use in subsequent API calls + * + * This function can be used to open a control session for an + * already created object; an object may have been declared in + * the DPL or by calling the dprtc_create function. + * This function returns a unique authentication token, + * associated with the specific object ID and the specific MC + * portal; this token must be used in all subsequent commands for + * this specific object + * + * Return: '0' on Success; Error code otherwise. + */ +int dprtc_open(struct fsl_mc_io *mc_io, + u32 cmd_flags, + int dprtc_id, + u16 *token) +{ + struct dprtc_cmd_open *cmd_params; + struct fsl_mc_command cmd = { 0 }; + int err; + + cmd.header = mc_encode_cmd_header(DPRTC_CMDID_OPEN, + cmd_flags, + 0); + cmd_params = (struct dprtc_cmd_open *)cmd.params; + cmd_params->dprtc_id = cpu_to_le32(dprtc_id); + + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + *token = mc_cmd_hdr_read_token(&cmd); + + return 0; +} + +/** + * dprtc_close() - Close the control session of the object + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPRTC object + * + * After this function is called, no further operations are + * allowed on the object without opening a new control session. + * + * Return: '0' on Success; Error code otherwise. + */ +int dprtc_close(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token) +{ + struct fsl_mc_command cmd = { 0 }; + + cmd.header = mc_encode_cmd_header(DPRTC_CMDID_CLOSE, cmd_flags, + token); + + return mc_send_command(mc_io, &cmd); +} + +/** + * dprtc_create() - Create the DPRTC object. + * @mc_io: Pointer to MC portal's I/O object + * @dprc_token: Parent container token; '0' for default container + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @cfg: Configuration structure + * @obj_id: Returned object id + * + * Create the DPRTC object, allocate required resources and + * perform required initialization. + * + * The function accepts an authentication token of a parent + * container that this object should be assigned to. The token + * can be '0' so the object will be assigned to the default container. + * The newly created object can be opened with the returned + * object id and using the container's associated tokens and MC portals. + * + * Return: '0' on Success; Error code otherwise. + */ +int dprtc_create(struct fsl_mc_io *mc_io, + u16 dprc_token, + u32 cmd_flags, + const struct dprtc_cfg *cfg, + u32 *obj_id) +{ + struct fsl_mc_command cmd = { 0 }; + int err; + + cmd.header = mc_encode_cmd_header(DPRTC_CMDID_CREATE, + cmd_flags, + dprc_token); + + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + *obj_id = mc_cmd_read_object_id(&cmd); + + return 0; +} + +/** + * dprtc_destroy() - Destroy the DPRTC object and release all its resources. + * @mc_io: Pointer to MC portal's I/O object + * @dprc_token: Parent container token; '0' for default container + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @object_id: The object id; it must be a valid id within the container that + * created this object; + * + * The function accepts the authentication token of the parent container that + * created the object (not the one that currently owns the object). The object + * is searched within parent using the provided 'object_id'. + * All tokens to the object must be closed before calling destroy. + * + * Return: '0' on Success; error code otherwise. + */ +int dprtc_destroy(struct fsl_mc_io *mc_io, + u16 dprc_token, + u32 cmd_flags, + u32 object_id) +{ + struct dprtc_cmd_destroy *cmd_params; + struct fsl_mc_command cmd = { 0 }; + + cmd.header = mc_encode_cmd_header(DPRTC_CMDID_DESTROY, + cmd_flags, + dprc_token); + cmd_params = (struct dprtc_cmd_destroy *)cmd.params; + cmd_params->object_id = cpu_to_le32(object_id); + + return mc_send_command(mc_io, &cmd); +} + +/** + * dprtc_enable() - Enable the DPRTC. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPRTC object + * + * Return: '0' on Success; Error code otherwise. + */ +int dprtc_enable(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token) +{ + struct fsl_mc_command cmd = { 0 }; + + cmd.header = mc_encode_cmd_header(DPRTC_CMDID_ENABLE, cmd_flags, + token); + + return mc_send_command(mc_io, &cmd); +} + +/** + * dprtc_disable() - Disable the DPRTC. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPRTC object + * + * Return: '0' on Success; Error code otherwise. + */ +int dprtc_disable(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token) +{ + struct fsl_mc_command cmd = { 0 }; + + cmd.header = mc_encode_cmd_header(DPRTC_CMDID_DISABLE, + cmd_flags, + token); + + return mc_send_command(mc_io, &cmd); +} + +/** + * dprtc_is_enabled() - Check if the DPRTC is enabled. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPRTC object + * @en: Returns '1' if object is enabled; '0' otherwise + * + * Return: '0' on Success; Error code otherwise. + */ +int dprtc_is_enabled(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + int *en) +{ + struct dprtc_rsp_is_enabled *rsp_params; + struct fsl_mc_command cmd = { 0 }; + int err; + + cmd.header = mc_encode_cmd_header(DPRTC_CMDID_IS_ENABLED, cmd_flags, + token); + + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + rsp_params = (struct dprtc_rsp_is_enabled *)cmd.params; + *en = dprtc_get_field(rsp_params->en, ENABLE); + + return 0; +} + +/** + * dprtc_reset() - Reset the DPRTC, returns the object to initial state. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPRTC object + * + * Return: '0' on Success; Error code otherwise. + */ +int dprtc_reset(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token) +{ + struct fsl_mc_command cmd = { 0 }; + + cmd.header = mc_encode_cmd_header(DPRTC_CMDID_RESET, + cmd_flags, + token); + + return mc_send_command(mc_io, &cmd); +} + +/** + * dprtc_set_irq_enable() - Set overall interrupt state. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPRTC object + * @irq_index: The interrupt index to configure + * @en: Interrupt state - enable = 1, disable = 0 + * + * Allows GPP software to control when interrupts are generated. + * Each interrupt can have up to 32 causes. The enable/disable control's the + * overall interrupt state. if the interrupt is disabled no causes will cause + * an interrupt. + * + * Return: '0' on Success; Error code otherwise. + */ +int dprtc_set_irq_enable(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + u8 en) +{ + struct dprtc_cmd_set_irq_enable *cmd_params; + struct fsl_mc_command cmd = { 0 }; + + cmd.header = mc_encode_cmd_header(DPRTC_CMDID_SET_IRQ_ENABLE, + cmd_flags, + token); + cmd_params = (struct dprtc_cmd_set_irq_enable *)cmd.params; + cmd_params->irq_index = irq_index; + cmd_params->en = en; + + return mc_send_command(mc_io, &cmd); +} + +/** + * dprtc_get_irq_enable() - Get overall interrupt state + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPRTC object + * @irq_index: The interrupt index to configure + * @en: Returned interrupt state - enable = 1, disable = 0 + * + * Return: '0' on Success; Error code otherwise. + */ +int dprtc_get_irq_enable(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + u8 *en) +{ + struct dprtc_rsp_get_irq_enable *rsp_params; + struct dprtc_cmd_get_irq *cmd_params; + struct fsl_mc_command cmd = { 0 }; + int err; + + cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_IRQ_ENABLE, + cmd_flags, + token); + cmd_params = (struct dprtc_cmd_get_irq *)cmd.params; + cmd_params->irq_index = irq_index; + + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + rsp_params = (struct dprtc_rsp_get_irq_enable *)cmd.params; + *en = rsp_params->en; + + return 0; +} + +/** + * dprtc_set_irq_mask() - Set interrupt mask. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPRTC object + * @irq_index: The interrupt index to configure + * @mask: Event mask to trigger interrupt; + * each bit: + * 0 = ignore event + * 1 = consider event for asserting IRQ + * + * Every interrupt can have up to 32 causes and the interrupt model supports + * masking/unmasking each cause independently + * + * Return: '0' on Success; Error code otherwise. + */ +int dprtc_set_irq_mask(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + u32 mask) +{ + struct dprtc_cmd_set_irq_mask *cmd_params; + struct fsl_mc_command cmd = { 0 }; + + cmd.header = mc_encode_cmd_header(DPRTC_CMDID_SET_IRQ_MASK, + cmd_flags, + token); + cmd_params = (struct dprtc_cmd_set_irq_mask *)cmd.params; + cmd_params->mask = cpu_to_le32(mask); + cmd_params->irq_index = irq_index; + + return mc_send_command(mc_io, &cmd); +} + +/** + * dprtc_get_irq_mask() - Get interrupt mask. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPRTC object + * @irq_index: The interrupt index to configure + * @mask: Returned event mask to trigger interrupt + * + * Every interrupt can have up to 32 causes and the interrupt model supports + * masking/unmasking each cause independently + * + * Return: '0' on Success; Error code otherwise. + */ +int dprtc_get_irq_mask(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + u32 *mask) +{ + struct dprtc_rsp_get_irq_mask *rsp_params; + struct dprtc_cmd_get_irq *cmd_params; + struct fsl_mc_command cmd = { 0 }; + int err; + + cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_IRQ_MASK, + cmd_flags, + token); + cmd_params = (struct dprtc_cmd_get_irq *)cmd.params; + cmd_params->irq_index = irq_index; + + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + rsp_params = (struct dprtc_rsp_get_irq_mask *)cmd.params; + *mask = le32_to_cpu(rsp_params->mask); + + return 0; +} + +/** + * dprtc_get_irq_status() - Get the current status of any pending interrupts. + * + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPRTC object + * @irq_index: The interrupt index to configure + * @status: Returned interrupts status - one bit per cause: + * 0 = no interrupt pending + * 1 = interrupt pending + * + * Return: '0' on Success; Error code otherwise. + */ +int dprtc_get_irq_status(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + u32 *status) +{ + struct dprtc_cmd_get_irq_status *cmd_params; + struct dprtc_rsp_get_irq_status *rsp_params; + struct fsl_mc_command cmd = { 0 }; + int err; + + cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_IRQ_STATUS, + cmd_flags, + token); + cmd_params = (struct dprtc_cmd_get_irq_status *)cmd.params; + cmd_params->status = cpu_to_le32(*status); + cmd_params->irq_index = irq_index; + + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + rsp_params = (struct dprtc_rsp_get_irq_status *)cmd.params; + *status = le32_to_cpu(rsp_params->status); + + return 0; +} + +/** + * dprtc_clear_irq_status() - Clear a pending interrupt's status + * + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPRTC object + * @irq_index: The interrupt index to configure + * @status: Bits to clear (W1C) - one bit per cause: + * 0 = don't change + * 1 = clear status bit + * + * Return: '0' on Success; Error code otherwise. + */ +int dprtc_clear_irq_status(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + u32 status) +{ + struct dprtc_cmd_clear_irq_status *cmd_params; + struct fsl_mc_command cmd = { 0 }; + + cmd.header = mc_encode_cmd_header(DPRTC_CMDID_CLEAR_IRQ_STATUS, + cmd_flags, + token); + cmd_params = (struct dprtc_cmd_clear_irq_status *)cmd.params; + cmd_params->irq_index = irq_index; + cmd_params->status = cpu_to_le32(status); + + return mc_send_command(mc_io, &cmd); +} + +/** + * dprtc_get_attributes - Retrieve DPRTC attributes. + * + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPRTC object + * @attr: Returned object's attributes + * + * Return: '0' on Success; Error code otherwise. + */ +int dprtc_get_attributes(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + struct dprtc_attr *attr) +{ + struct dprtc_rsp_get_attributes *rsp_params; + struct fsl_mc_command cmd = { 0 }; + int err; + + cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_ATTR, + cmd_flags, + token); + + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + rsp_params = (struct dprtc_rsp_get_attributes *)cmd.params; + attr->id = le32_to_cpu(rsp_params->id); + + return 0; +} + +/** + * dprtc_set_clock_offset() - Sets the clock's offset + * (usually relative to another clock). + * + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPRTC object + * @offset: New clock offset (in nanoseconds). + * + * Return: '0' on Success; Error code otherwise. + */ +int dprtc_set_clock_offset(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + int64_t offset) +{ + struct dprtc_cmd_set_clock_offset *cmd_params; + struct fsl_mc_command cmd = { 0 }; + + cmd.header = mc_encode_cmd_header(DPRTC_CMDID_SET_CLOCK_OFFSET, + cmd_flags, + token); + cmd_params = (struct dprtc_cmd_set_clock_offset *)cmd.params; + cmd_params->offset = cpu_to_le64(offset); + + return mc_send_command(mc_io, &cmd); +} + +/** + * dprtc_set_freq_compensation() - Sets a new frequency compensation value. + * + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPRTC object + * @freq_compensation: The new frequency compensation value to set. + * + * Return: '0' on Success; Error code otherwise. + */ +int dprtc_set_freq_compensation(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u32 freq_compensation) +{ + struct dprtc_get_freq_compensation *cmd_params; + struct fsl_mc_command cmd = { 0 }; + + cmd.header = mc_encode_cmd_header(DPRTC_CMDID_SET_FREQ_COMPENSATION, + cmd_flags, + token); + cmd_params = (struct dprtc_get_freq_compensation *)cmd.params; + cmd_params->freq_compensation = cpu_to_le32(freq_compensation); + + return mc_send_command(mc_io, &cmd); +} + +/** + * dprtc_get_freq_compensation() - Retrieves the frequency compensation value + * + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPRTC object + * @freq_compensation: Frequency compensation value + * + * Return: '0' on Success; Error code otherwise. + */ +int dprtc_get_freq_compensation(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u32 *freq_compensation) +{ + struct dprtc_get_freq_compensation *rsp_params; + struct fsl_mc_command cmd = { 0 }; + int err; + + cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_FREQ_COMPENSATION, + cmd_flags, + token); + + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + rsp_params = (struct dprtc_get_freq_compensation *)cmd.params; + *freq_compensation = le32_to_cpu(rsp_params->freq_compensation); + + return 0; +} + +/** + * dprtc_get_time() - Returns the current RTC time. + * + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPRTC object + * @time: Current RTC time. + * + * Return: '0' on Success; Error code otherwise. + */ +int dprtc_get_time(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + uint64_t *time) +{ + struct dprtc_time *rsp_params; + struct fsl_mc_command cmd = { 0 }; + int err; + + cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_TIME, + cmd_flags, + token); + + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + rsp_params = (struct dprtc_time *)cmd.params; + *time = le64_to_cpu(rsp_params->time); + + return 0; +} + +/** + * dprtc_set_time() - Updates current RTC time. + * + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPRTC object + * @time: New RTC time. + * + * Return: '0' on Success; Error code otherwise. + */ +int dprtc_set_time(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + uint64_t time) +{ + struct dprtc_time *cmd_params; + struct fsl_mc_command cmd = { 0 }; + + cmd.header = mc_encode_cmd_header(DPRTC_CMDID_SET_TIME, + cmd_flags, + token); + cmd_params = (struct dprtc_time *)cmd.params; + cmd_params->time = cpu_to_le64(time); + + return mc_send_command(mc_io, &cmd); +} + +/** + * dprtc_set_alarm() - Defines and sets alarm. + * + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPRTC object + * @time: In nanoseconds, the time when the alarm + * should go off - must be a multiple of + * 1 microsecond |