mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 05:34:00 +08:00
Merge remote-tracking branch 'mkp-scsi/4.6/scsi-queue' into misc
This commit is contained in:
James Bottomley
commit
b86c75fda6
@ -38,6 +38,9 @@ Optional properties:
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defined or a value in the array is "0" then it is assumed
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that the frequency is set by the parent clock or a
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fixed rate clock source.
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-lanes-per-direction : number of lanes available per direction - either 1 or 2.
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Note that it is assume same number of lanes is used both
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directions at once. If not specified, default is 2 lanes per direction.
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Note: If above properties are not defined it can be assumed that the supply
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regulators or clocks are always on.
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@ -332,7 +332,7 @@ static int alua_check_vpd(struct scsi_device *sdev, struct alua_dh_data *h,
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{
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int rel_port = -1, group_id;
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struct alua_port_group *pg, *old_pg = NULL;
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bool pg_updated;
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bool pg_updated = false;
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unsigned long flags;
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group_id = scsi_vpd_tpg_id(sdev, &rel_port);
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@ -2097,7 +2097,7 @@ struct megasas_instance {
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u8 UnevenSpanSupport;
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u8 supportmax256vd;
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u8 allow_fw_scan;
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u8 pd_list_not_supported;
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u16 fw_supported_vd_count;
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u16 fw_supported_pd_count;
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@ -1838,7 +1838,7 @@ static int megasas_slave_configure(struct scsi_device *sdev)
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struct megasas_instance *instance;
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instance = megasas_lookup_instance(sdev->host->host_no);
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if (instance->allow_fw_scan) {
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if (instance->pd_list_not_supported) {
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if (sdev->channel < MEGASAS_MAX_PD_CHANNELS &&
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sdev->type == TYPE_DISK) {
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pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) +
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@ -1874,7 +1874,8 @@ static int megasas_slave_alloc(struct scsi_device *sdev)
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pd_index =
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(sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) +
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sdev->id;
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if ((instance->allow_fw_scan || instance->pd_list[pd_index].driveState ==
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if ((instance->pd_list_not_supported ||
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instance->pd_list[pd_index].driveState ==
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MR_PD_STATE_SYSTEM)) {
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goto scan_target;
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}
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@ -4087,7 +4088,13 @@ megasas_get_pd_list(struct megasas_instance *instance)
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switch (ret) {
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case DCMD_FAILED:
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megaraid_sas_kill_hba(instance);
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dev_info(&instance->pdev->dev, "MR_DCMD_PD_LIST_QUERY "
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"failed/not supported by firmware\n");
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if (instance->ctrl_context)
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megaraid_sas_kill_hba(instance);
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else
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instance->pd_list_not_supported = 1;
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break;
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case DCMD_TIMEOUT:
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@ -5034,7 +5041,6 @@ static int megasas_init_fw(struct megasas_instance *instance)
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case PCI_DEVICE_ID_DELL_PERC5:
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default:
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instance->instancet = &megasas_instance_template_xscale;
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instance->allow_fw_scan = 1;
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break;
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}
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@ -4,7 +4,7 @@
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#define SAS_HOST_ATTRS 0
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#define SAS_PHY_ATTRS 17
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#define SAS_PORT_ATTRS 1
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#define SAS_RPORT_ATTRS 7
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#define SAS_RPORT_ATTRS 8
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#define SAS_END_DEV_ATTRS 5
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#define SAS_EXPANDER_ATTRS 7
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@ -1105,7 +1105,7 @@ static umode_t scsi_sdev_bin_attr_is_visible(struct kobject *kobj,
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if (attr == &dev_attr_vpd_pg80 && !sdev->vpd_pg80)
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return 0;
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if (attr == &dev_attr_vpd_pg83 && sdev->vpd_pg83)
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if (attr == &dev_attr_vpd_pg83 && !sdev->vpd_pg83)
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return 0;
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return S_IRUGO;
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@ -1286,6 +1286,7 @@ sas_rphy_protocol_attr(identify.target_port_protocols, target_port_protocols);
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sas_rphy_simple_attr(identify.sas_address, sas_address, "0x%016llx\n",
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unsigned long long);
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sas_rphy_simple_attr(identify.phy_identifier, phy_identifier, "%d\n", u8);
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sas_rphy_simple_attr(scsi_target_id, scsi_target_id, "%d\n", u32);
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/* only need 8 bytes of data plus header (4 or 8) */
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#define BUF_SIZE 64
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@ -1886,6 +1887,7 @@ sas_attach_transport(struct sas_function_template *ft)
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SETUP_RPORT_ATTRIBUTE(rphy_device_type);
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SETUP_RPORT_ATTRIBUTE(rphy_sas_address);
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SETUP_RPORT_ATTRIBUTE(rphy_phy_identifier);
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SETUP_RPORT_ATTRIBUTE(rphy_scsi_target_id);
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SETUP_OPTIONAL_RPORT_ATTRIBUTE(rphy_enclosure_identifier,
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get_enclosure_identifier);
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SETUP_OPTIONAL_RPORT_ATTRIBUTE(rphy_bay_identifier,
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
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* Copyright (c) 2013-2016, Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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@ -16,8 +16,8 @@
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#include <linux/of.h>
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#include <linux/platform_device.h>
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#include <linux/phy/phy.h>
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#include <linux/phy/phy-qcom-ufs.h>
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#include "ufshcd.h"
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#include "ufshcd-pltfrm.h"
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#include "unipro.h"
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@ -58,6 +58,12 @@ static void ufs_qcom_dump_regs(struct ufs_hba *hba, int offset, int len,
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len * 4, false);
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}
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static void ufs_qcom_dump_regs_wrapper(struct ufs_hba *hba, int offset, int len,
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char *prefix, void *priv)
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{
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ufs_qcom_dump_regs(hba, offset, len, prefix);
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}
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static int ufs_qcom_get_connected_tx_lanes(struct ufs_hba *hba, u32 *tx_lanes)
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{
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int err = 0;
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@ -106,9 +112,11 @@ static void ufs_qcom_disable_lane_clks(struct ufs_qcom_host *host)
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if (!host->is_lane_clks_enabled)
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return;
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clk_disable_unprepare(host->tx_l1_sync_clk);
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if (host->hba->lanes_per_direction > 1)
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clk_disable_unprepare(host->tx_l1_sync_clk);
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clk_disable_unprepare(host->tx_l0_sync_clk);
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clk_disable_unprepare(host->rx_l1_sync_clk);
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if (host->hba->lanes_per_direction > 1)
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clk_disable_unprepare(host->rx_l1_sync_clk);
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clk_disable_unprepare(host->rx_l0_sync_clk);
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host->is_lane_clks_enabled = false;
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@ -132,21 +140,24 @@ static int ufs_qcom_enable_lane_clks(struct ufs_qcom_host *host)
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if (err)
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goto disable_rx_l0;
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err = ufs_qcom_host_clk_enable(dev, "rx_lane1_sync_clk",
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host->rx_l1_sync_clk);
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if (err)
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goto disable_tx_l0;
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if (host->hba->lanes_per_direction > 1) {
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err = ufs_qcom_host_clk_enable(dev, "rx_lane1_sync_clk",
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host->rx_l1_sync_clk);
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if (err)
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goto disable_tx_l0;
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err = ufs_qcom_host_clk_enable(dev, "tx_lane1_sync_clk",
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host->tx_l1_sync_clk);
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if (err)
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goto disable_rx_l1;
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err = ufs_qcom_host_clk_enable(dev, "tx_lane1_sync_clk",
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host->tx_l1_sync_clk);
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if (err)
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goto disable_rx_l1;
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}
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host->is_lane_clks_enabled = true;
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goto out;
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disable_rx_l1:
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clk_disable_unprepare(host->rx_l1_sync_clk);
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if (host->hba->lanes_per_direction > 1)
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clk_disable_unprepare(host->rx_l1_sync_clk);
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disable_tx_l0:
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clk_disable_unprepare(host->tx_l0_sync_clk);
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disable_rx_l0:
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@ -170,14 +181,16 @@ static int ufs_qcom_init_lane_clks(struct ufs_qcom_host *host)
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if (err)
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goto out;
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err = ufs_qcom_host_clk_get(dev, "rx_lane1_sync_clk",
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&host->rx_l1_sync_clk);
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if (err)
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goto out;
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err = ufs_qcom_host_clk_get(dev, "tx_lane1_sync_clk",
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&host->tx_l1_sync_clk);
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/* In case of single lane per direction, don't read lane1 clocks */
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if (host->hba->lanes_per_direction > 1) {
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err = ufs_qcom_host_clk_get(dev, "rx_lane1_sync_clk",
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&host->rx_l1_sync_clk);
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if (err)
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goto out;
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err = ufs_qcom_host_clk_get(dev, "tx_lane1_sync_clk",
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&host->tx_l1_sync_clk);
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}
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out:
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return err;
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}
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@ -267,9 +280,8 @@ static int ufs_qcom_power_up_sequence(struct ufs_hba *hba)
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ret = ufs_qcom_phy_calibrate_phy(phy, is_rate_B);
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|
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if (ret) {
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dev_err(hba->dev,
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"%s: ufs_qcom_phy_calibrate_phy()failed, ret = %d\n",
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__func__, ret);
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dev_err(hba->dev, "%s: ufs_qcom_phy_calibrate_phy() failed, ret = %d\n",
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__func__, ret);
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goto out;
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}
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@ -519,6 +531,18 @@ static int ufs_qcom_link_startup_notify(struct ufs_hba *hba,
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err = ufs_qcom_set_dme_vs_core_clk_ctrl_clear_div(hba,
|
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150);
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|
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/*
|
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* Some UFS devices (and may be host) have issues if LCC is
|
||||
* enabled. So we are setting PA_Local_TX_LCC_Enable to 0
|
||||
* before link startup which will make sure that both host
|
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* and device TX LCC are disabled once link startup is
|
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* completed.
|
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*/
|
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if (ufshcd_get_local_unipro_ver(hba) != UFS_UNIPRO_VER_1_41)
|
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err = ufshcd_dme_set(hba,
|
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UIC_ARG_MIB(PA_LOCAL_TX_LCC_ENABLE),
|
||||
0);
|
||||
|
||||
break;
|
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case POST_CHANGE:
|
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ufs_qcom_link_startup_post_change(hba);
|
||||
@ -962,6 +986,10 @@ static int ufs_qcom_pwr_change_notify(struct ufs_hba *hba,
|
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goto out;
|
||||
}
|
||||
|
||||
/* enable the device ref clock before changing to HS mode */
|
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if (!ufshcd_is_hs_mode(&hba->pwr_info) &&
|
||||
ufshcd_is_hs_mode(dev_req_params))
|
||||
ufs_qcom_dev_ref_clk_ctrl(host, true);
|
||||
break;
|
||||
case POST_CHANGE:
|
||||
if (ufs_qcom_cfg_timers(hba, dev_req_params->gear_rx,
|
||||
@ -989,6 +1017,11 @@ static int ufs_qcom_pwr_change_notify(struct ufs_hba *hba,
|
||||
memcpy(&host->dev_req_params,
|
||||
dev_req_params, sizeof(*dev_req_params));
|
||||
ufs_qcom_update_bus_bw_vote(host);
|
||||
|
||||
/* disable the device ref clock if entered PWM mode */
|
||||
if (ufshcd_is_hs_mode(&hba->pwr_info) &&
|
||||
!ufshcd_is_hs_mode(dev_req_params))
|
||||
ufs_qcom_dev_ref_clk_ctrl(host, false);
|
||||
break;
|
||||
default:
|
||||
ret = -EINVAL;
|
||||
@ -1090,6 +1123,9 @@ static int ufs_qcom_setup_clocks(struct ufs_hba *hba, bool on)
|
||||
ufs_qcom_phy_disable_iface_clk(host->generic_phy);
|
||||
goto out;
|
||||
}
|
||||
/* enable the device ref clock for HS mode*/
|
||||
if (ufshcd_is_hs_mode(&hba->pwr_info))
|
||||
ufs_qcom_dev_ref_clk_ctrl(host, true);
|
||||
vote = host->bus_vote.saved_vote;
|
||||
if (vote == host->bus_vote.min_bw_vote)
|
||||
ufs_qcom_update_bus_bw_vote(host);
|
||||
@ -1367,6 +1403,74 @@ out:
|
||||
return err;
|
||||
}
|
||||
|
||||
static void ufs_qcom_print_hw_debug_reg_all(struct ufs_hba *hba,
|
||||
void *priv, void (*print_fn)(struct ufs_hba *hba,
|
||||
int offset, int num_regs, char *str, void *priv))
|
||||
{
|
||||
u32 reg;
|
||||
struct ufs_qcom_host *host;
|
||||
|
||||
if (unlikely(!hba)) {
|
||||
pr_err("%s: hba is NULL\n", __func__);
|
||||
return;
|
||||
}
|
||||
if (unlikely(!print_fn)) {
|
||||
dev_err(hba->dev, "%s: print_fn is NULL\n", __func__);
|
||||
return;
|
||||
}
|
||||
|
||||
host = ufshcd_get_variant(hba);
|
||||
if (!(host->dbg_print_en & UFS_QCOM_DBG_PRINT_REGS_EN))
|
||||
return;
|
||||
|
||||
reg = ufs_qcom_get_debug_reg_offset(host, UFS_UFS_DBG_RD_REG_OCSC);
|
||||
print_fn(hba, reg, 44, "UFS_UFS_DBG_RD_REG_OCSC ", priv);
|
||||
|
||||
reg = ufshcd_readl(hba, REG_UFS_CFG1);
|
||||
reg |= UFS_BIT(17);
|
||||
ufshcd_writel(hba, reg, REG_UFS_CFG1);
|
||||
|
||||
reg = ufs_qcom_get_debug_reg_offset(host, UFS_UFS_DBG_RD_EDTL_RAM);
|
||||
print_fn(hba, reg, 32, "UFS_UFS_DBG_RD_EDTL_RAM ", priv);
|
||||
|
||||
reg = ufs_qcom_get_debug_reg_offset(host, UFS_UFS_DBG_RD_DESC_RAM);
|
||||
print_fn(hba, reg, 128, "UFS_UFS_DBG_RD_DESC_RAM ", priv);
|
||||
|
||||
reg = ufs_qcom_get_debug_reg_offset(host, UFS_UFS_DBG_RD_PRDT_RAM);
|
||||
print_fn(hba, reg, 64, "UFS_UFS_DBG_RD_PRDT_RAM ", priv);
|
||||
|
||||
ufshcd_writel(hba, (reg & ~UFS_BIT(17)), REG_UFS_CFG1);
|
||||
|
||||
reg = ufs_qcom_get_debug_reg_offset(host, UFS_DBG_RD_REG_UAWM);
|
||||
print_fn(hba, reg, 4, "UFS_DBG_RD_REG_UAWM ", priv);
|
||||
|
||||
reg = ufs_qcom_get_debug_reg_offset(host, UFS_DBG_RD_REG_UARM);
|
||||
print_fn(hba, reg, 4, "UFS_DBG_RD_REG_UARM ", priv);
|
||||
|
||||
reg = ufs_qcom_get_debug_reg_offset(host, UFS_DBG_RD_REG_TXUC);
|
||||
print_fn(hba, reg, 48, "UFS_DBG_RD_REG_TXUC ", priv);
|
||||
|
||||
reg = ufs_qcom_get_debug_reg_offset(host, UFS_DBG_RD_REG_RXUC);
|
||||
print_fn(hba, reg, 27, "UFS_DBG_RD_REG_RXUC ", priv);
|
||||
|
||||
reg = ufs_qcom_get_debug_reg_offset(host, UFS_DBG_RD_REG_DFC);
|
||||
print_fn(hba, reg, 19, "UFS_DBG_RD_REG_DFC ", priv);
|
||||
|
||||
reg = ufs_qcom_get_debug_reg_offset(host, UFS_DBG_RD_REG_TRLUT);
|
||||
print_fn(hba, reg, 34, "UFS_DBG_RD_REG_TRLUT ", priv);
|
||||
|
||||
reg = ufs_qcom_get_debug_reg_offset(host, UFS_DBG_RD_REG_TMRLUT);
|
||||
print_fn(hba, reg, 9, "UFS_DBG_RD_REG_TMRLUT ", priv);
|
||||
}
|
||||
|
||||
static void ufs_qcom_enable_test_bus(struct ufs_qcom_host *host)
|
||||
{
|
||||
if (host->dbg_print_en & UFS_QCOM_DBG_PRINT_TEST_BUS_EN)
|
||||
ufshcd_rmwl(host->hba, TEST_BUS_EN, TEST_BUS_EN, REG_UFS_CFG1);
|
||||
else
|
||||
ufshcd_rmwl(host->hba, TEST_BUS_EN, 0, REG_UFS_CFG1);
|
||||
}
|
||||
|
||||
static void ufs_qcom_get_default_testbus_cfg(struct ufs_qcom_host *host)
|
||||
{
|
||||
/* provide a legal default configuration */
|
||||
@ -1475,6 +1579,7 @@ int ufs_qcom_testbus_config(struct ufs_qcom_host *host)
|
||||
ufshcd_rmwl(host->hba, mask,
|
||||
(u32)host->testbus.select_minor << offset,
|
||||
reg);
|
||||
ufs_qcom_enable_test_bus(host);
|
||||
ufshcd_release(host->hba);
|
||||
pm_runtime_put_sync(host->hba->dev);
|
||||
|
||||
@ -1491,8 +1596,10 @@ static void ufs_qcom_dump_dbg_regs(struct ufs_hba *hba)
|
||||
ufs_qcom_dump_regs(hba, REG_UFS_SYS1CLK_1US, 16,
|
||||
"HCI Vendor Specific Registers ");
|
||||
|
||||
ufs_qcom_print_hw_debug_reg_all(hba, NULL, ufs_qcom_dump_regs_wrapper);
|
||||
ufs_qcom_testbus_read(hba);
|
||||
}
|
||||
|
||||
/**
|
||||
* struct ufs_hba_qcom_vops - UFS QCOM specific variant operations
|
||||
*
|
||||
@ -1537,7 +1644,7 @@ static int ufs_qcom_probe(struct platform_device *pdev)
|
||||
* ufs_qcom_remove - set driver_data of the device to NULL
|
||||
* @pdev: pointer to platform device handle
|
||||
*
|
||||
* Always return 0
|
||||
* Always returns 0
|
||||
*/
|
||||
static int ufs_qcom_remove(struct platform_device *pdev)
|
||||
{
|
||||
|
||||
@ -241,6 +241,15 @@ struct ufs_qcom_host {
|
||||
struct ufs_qcom_testbus testbus;
|
||||
};
|
||||
|
||||
static inline u32
|
||||
ufs_qcom_get_debug_reg_offset(struct ufs_qcom_host *host, u32 reg)
|
||||
{
|
||||
if (host->hw_ver.major <= 0x02)
|
||||
return UFS_CNTLR_2_x_x_VEN_REGS_OFFSET(reg);
|
||||
|
||||
return UFS_CNTLR_3_x_x_VEN_REGS_OFFSET(reg);
|
||||
};
|
||||
|
||||
#define ufs_qcom_is_link_off(hba) ufshcd_is_link_off(hba)
|
||||
#define ufs_qcom_is_link_active(hba) ufshcd_is_link_active(hba)
|
||||
#define ufs_qcom_is_link_hibern8(hba) ufshcd_is_link_hibern8(hba)
|
||||
|
||||
@ -43,6 +43,7 @@
|
||||
#define GENERAL_UPIU_REQUEST_SIZE 32
|
||||
#define QUERY_DESC_MAX_SIZE 255
|
||||
#define QUERY_DESC_MIN_SIZE 2
|
||||
#define QUERY_DESC_HDR_SIZE 2
|
||||
#define QUERY_OSF_SIZE (GENERAL_UPIU_REQUEST_SIZE - \
|
||||
(sizeof(struct utp_upiu_header)))
|
||||
|
||||
@ -195,6 +196,37 @@ enum unit_desc_param {
|
||||
UNIT_DESC_PARAM_LARGE_UNIT_SIZE_M1 = 0x22,
|
||||
};
|
||||
|
||||
/* Device descriptor parameters offsets in bytes*/
|
||||
enum device_desc_param {
|
||||
DEVICE_DESC_PARAM_LEN = 0x0,
|
||||
DEVICE_DESC_PARAM_TYPE = 0x1,
|
||||
DEVICE_DESC_PARAM_DEVICE_TYPE = 0x2,
|
||||
DEVICE_DESC_PARAM_DEVICE_CLASS = 0x3,
|
||||
DEVICE_DESC_PARAM_DEVICE_SUB_CLASS = 0x4,
|
||||
DEVICE_DESC_PARAM_PRTCL = 0x5,
|
||||
DEVICE_DESC_PARAM_NUM_LU = 0x6,
|
||||
DEVICE_DESC_PARAM_NUM_WLU = 0x7,
|
||||
DEVICE_DESC_PARAM_BOOT_ENBL = 0x8,
|
||||
DEVICE_DESC_PARAM_DESC_ACCSS_ENBL = 0x9,
|
||||
DEVICE_DESC_PARAM_INIT_PWR_MODE = 0xA,
|
||||
DEVICE_DESC_PARAM_HIGH_PR_LUN = 0xB,
|
||||
DEVICE_DESC_PARAM_SEC_RMV_TYPE = 0xC,
|
||||
DEVICE_DESC_PARAM_SEC_LU = 0xD,
|
||||
DEVICE_DESC_PARAM_BKOP_TERM_LT = 0xE,
|
||||
DEVICE_DESC_PARAM_ACTVE_ICC_LVL = 0xF,
|
||||
DEVICE_DESC_PARAM_SPEC_VER = 0x10,
|
||||
DEVICE_DESC_PARAM_MANF_DATE = 0x12,
|
||||
DEVICE_DESC_PARAM_MANF_NAME = 0x14,
|
||||
DEVICE_DESC_PARAM_PRDCT_NAME = 0x15,
|
||||
DEVICE_DESC_PARAM_SN = 0x16,
|
||||
DEVICE_DESC_PARAM_OEM_ID = 0x17,
|
||||
DEVICE_DESC_PARAM_MANF_ID = 0x18,
|
||||
DEVICE_DESC_PARAM_UD_OFFSET = 0x1A,
|
||||
DEVICE_DESC_PARAM_UD_LEN = 0x1B,
|
||||
DEVICE_DESC_PARAM_RTT_CAP = 0x1C,
|
||||
DEVICE_DESC_PARAM_FRQ_RTC = 0x1D,
|
||||
};
|
||||
|
||||
/*
|
||||
* Logical Unit Write Protect
|
||||
* 00h: LU not write protected
|
||||
@ -469,6 +501,7 @@ struct ufs_vreg {
|
||||
struct regulator *reg;
|
||||
const char *name;
|
||||
bool enabled;
|
||||
bool unused;
|
||||
int min_uV;
|
||||
int max_uV;
|
||||
int min_uA;
|
||||
|
||||
151
drivers/scsi/ufs/ufs_quirks.h
Normal file
151
drivers/scsi/ufs/ufs_quirks.h
Normal file
@ -0,0 +1,151 @@
|
||||
/*
|
||||
* Copyright (c) 2014-2016, The Linux Foundation. All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 and
|
||||
* only version 2 as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef _UFS_QUIRKS_H_
|
||||
#define _UFS_QUIRKS_H_
|
||||
|
||||
/* return true if s1 is a prefix of s2 */
|
||||
#define STR_PRFX_EQUAL(s1, s2) !strncmp(s1, s2, strlen(s1))
|
||||
|
||||
#define UFS_ANY_VENDOR 0xFFFF
|
||||
#define UFS_ANY_MODEL "ANY_MODEL"
|
||||
|
||||
#define MAX_MODEL_LEN 16
|
||||
|
||||
#define UFS_VENDOR_TOSHIBA 0x198
|
||||
#define UFS_VENDOR_SAMSUNG 0x1CE
|
||||
|
||||
/**
|
||||
* ufs_device_info - ufs device details
|
||||
* @wmanufacturerid: card details
|
||||
* @model: card model
|
||||
*/
|
||||
struct ufs_device_info {
|
||||
u16 wmanufacturerid;
|
||||
char model[MAX_MODEL_LEN + 1];
|
||||
};
|
||||
|
||||
/**
|
||||
* ufs_dev_fix - ufs device quirk info
|
||||
* @card: ufs card details
|
||||
* @quirk: device quirk
|
||||
*/
|
||||
struct ufs_dev_fix {
|
||||
struct ufs_device_info card;
|
||||
unsigned int quirk;
|
||||
};
|
||||
|
||||
#define END_FIX { { 0 }, 0 }
|
||||
|
||||
/* add specific device quirk */
|
||||
#define UFS_FIX(_vendor, _model, _quirk) \
|
||||
{ \
|
||||
.card.wmanufacturerid = (_vendor),\
|
||||
.card.model = (_model), \
|
||||
.quirk = (_quirk), \
|
||||
}
|
||||
|
||||
/*
|
||||
* If UFS device is having issue in processing LCC (Line Control
|
||||
* Command) coming from UFS host controller then enable this quirk.
|
||||
* When this quirk is enabled, host controller driver should disable
|
||||
* the LCC transmission on UFS host controller (by clearing
|
||||
* TX_LCC_ENABLE attribute of host to 0).
|
||||
*/
|
||||
#define UFS_DEVICE_QUIRK_BROKEN_LCC (1 << 0)
|
||||
|
||||
/*
|
||||
* Some UFS devices don't need VCCQ rail for device operations. Enabling this
|
||||
* quirk for such devices will make sure that VCCQ rail is not voted.
|
||||
*/
|
||||
#define UFS_DEVICE_NO_VCCQ (1 << 1)
|
||||
|
||||
/*
|
||||
* Some vendor's UFS device sends back to back NACs for the DL data frames
|
||||
* causing the host controller to raise the DFES error status. Sometimes
|
||||
* such UFS devices send back to back NAC without waiting for new
|
||||
* retransmitted DL frame from the host and in such cases it might be possible
|
||||
* the Host UniPro goes into bad state without raising the DFES error
|
||||
* interrupt. If this happens then all the pending commands would timeout
|
||||
* only after respective SW command (which is generally too large).
|
||||
*
|
||||
* We can workaround such device behaviour like this:
|
||||
* - As soon as SW sees the DL NAC error, it should schedule the error handler
|
||||
* - Error handler would sleep for 50ms to see if there are any fatal errors
|
||||
* raised by UFS controller.
|
||||
* - If there are fatal errors then SW does normal error recovery.
|
||||
* - If there are no fatal errors then SW sends the NOP command to device
|
||||
* to check if link is alive.
|
||||
* - If NOP command times out, SW does normal error recovery
|
||||
* - If NOP command succeed, skip the error handling.
|
||||
*
|
||||
* If DL NAC error is seen multiple times with some vendor's UFS devices then
|
||||
* enable this quirk to initiate quick error recovery and also silence related
|
||||
* error logs to reduce spamming of kernel logs.
|
||||
*/
|
||||
#define UFS_DEVICE_QUIRK_RECOVERY_FROM_DL_NAC_ERRORS (1 << 2)
|
||||
|
||||
/*
|
||||
* Some UFS devices may not work properly after resume if the link was kept
|
||||
* in off state during suspend. Enabling this quirk will not allow the
|
||||
* link to be kept in off state during suspend.
|
||||
*/
|
||||
#define UFS_DEVICE_QUIRK_NO_LINK_OFF (1 << 3)
|
||||
|
||||
/*
|
||||
* Few Toshiba UFS device models advertise RX_MIN_ACTIVATETIME_CAPABILITY as
|
||||
* 600us which may not be enough for reliable hibern8 exit hardware sequence
|
||||
* from UFS device.
|
||||
* To workaround this issue, host should set its PA_TACTIVATE time to 1ms even
|
||||
* if device advertises RX_MIN_ACTIVATETIME_CAPABILITY less than 1ms.
|
||||
*/
|
||||
#define UFS_DEVICE_QUIRK_PA_TACTIVATE (1 << 4)
|
||||
|
||||
/*
|
||||
* Some UFS memory devices may have really low read/write throughput in
|
||||
* FAST AUTO mode, enable this quirk to make sure that FAST AUTO mode is
|
||||
* never enabled for such devices.
|
||||
*/
|
||||
#define UFS_DEVICE_NO_FASTAUTO (1 << 5)
|
||||
|
||||
/*
|
||||
* It seems some UFS devices may keep drawing more than sleep current
|
||||
* (atleast for 500us) from UFS rails (especially from VCCQ rail).
|
||||
* To avoid this situation, add 2ms delay before putting these UFS
|
||||
* rails in LPM mode.
|
||||
*/
|
||||
#define UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM (1 << 6)
|
||||
|
||||
struct ufs_hba;
|
||||
void ufs_advertise_fixup_device(struct ufs_hba *hba);
|
||||
|
||||
static struct ufs_dev_fix ufs_fixups[] = {
|
||||
/* UFS cards deviations table */
|
||||
UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL,
|
||||
UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM),
|
||||
UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL, UFS_DEVICE_NO_VCCQ),
|
||||
UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL,
|
||||
UFS_DEVICE_QUIRK_RECOVERY_FROM_DL_NAC_ERRORS),
|
||||
UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL,
|
||||
UFS_DEVICE_NO_FASTAUTO),
|
||||
UFS_FIX(UFS_VENDOR_TOSHIBA, UFS_ANY_MODEL,
|
||||
UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM),
|
||||
UFS_FIX(UFS_VENDOR_TOSHIBA, "THGLF2G9C8KBADG",
|
||||
UFS_DEVICE_QUIRK_PA_TACTIVATE),
|
||||
UFS_FIX(UFS_VENDOR_TOSHIBA, "THGLF2G9D8KBADG",
|
||||
UFS_DEVICE_QUIRK_PA_TACTIVATE),
|
||||
|
||||
END_FIX
|
||||
};
|
||||
#endif /* UFS_QUIRKS_H_ */
|
||||
@ -40,6 +40,8 @@
|
||||
#include "ufshcd.h"
|
||||
#include "ufshcd-pltfrm.h"
|
||||
|
||||
#define UFSHCD_DEFAULT_LANES_PER_DIRECTION 2
|
||||
|
||||
static int ufshcd_parse_clock_info(struct ufs_hba *hba)
|
||||
{
|
||||
int ret = 0;
|
||||
@ -277,6 +279,21 @@ void ufshcd_pltfrm_shutdown(struct platform_device *pdev)
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(ufshcd_pltfrm_shutdown);
|
||||
|
||||
static void ufshcd_init_lanes_per_dir(struct ufs_hba *hba)
|
||||
{
|
||||
struct device *dev = hba->dev;
|
||||
int ret;
|
||||
|
||||
ret = of_property_read_u32(dev->of_node, "lanes-per-direction",
|
||||
&hba->lanes_per_direction);
|
||||
if (ret) {
|
||||
dev_dbg(hba->dev,
|
||||
"%s: failed to read lanes-per-direction, ret=%d\n",
|
||||
__func__, ret);
|
||||
hba->lanes_per_direction = UFSHCD_DEFAULT_LANES_PER_DIRECTION;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* ufshcd_pltfrm_init - probe routine of the driver
|
||||
* @pdev: pointer to Platform device handle
|
||||
@ -331,6 +348,8 @@ int ufshcd_pltfrm_init(struct platform_device *pdev,
|
||||
pm_runtime_set_active(&pdev->dev);
|
||||
pm_runtime_enable(&pdev->dev);
|
||||
|
||||
ufshcd_init_lanes_per_dir(hba);
|
||||
|
||||
err = ufshcd_init(hba, mmio_base, irq);
|
||||
if (err) {
|
||||
dev_err(dev, "Initialization failed\n");
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
@ -54,6 +54,7 @@
|
||||
#include <linux/clk.h>
|
||||
#include <linux/completion.h>
|
||||
#include <linux/regulator/consumer.h>
|
||||
#include "unipro.h"
|
||||
|
||||
#include <asm/irq.h>
|
||||
#include <asm/byteorder.h>
|
||||
@ -383,6 +384,9 @@ struct ufs_init_prefetch {
|
||||
* @clk_list_head: UFS host controller clocks list node head
|
||||
* @pwr_info: holds current power mode
|
||||
* @max_pwr_info: keeps the device max valid pwm
|
||||
* @urgent_bkops_lvl: keeps track of urgent bkops level for device
|
||||
* @is_urgent_bkops_lvl_checked: keeps track if the urgent bkops level for
|
||||
* device is known or not.
|
||||
*/
|
||||
struct ufs_hba {
|
||||
void __iomem *mmio_base;
|
||||
@ -470,6 +474,9 @@ struct ufs_hba {
|
||||
|
||||
unsigned int quirks; /* Deviations from standard UFSHCI spec. */
|
||||
|
||||
/* Device deviations from standard UFS device spec. */
|
||||
unsigned int dev_quirks;
|
||||
|
||||
wait_queue_head_t tm_wq;
|
||||
wait_queue_head_t tm_tag_wq;
|
||||
unsigned long tm_condition;
|
||||
@ -509,6 +516,8 @@ struct ufs_hba {
|
||||
|
||||
bool wlun_dev_clr_ua;
|
||||
|
||||
/* Number of lanes available (1 or 2) for Rx/Tx */
|
||||
u32 lanes_per_direction;
|
||||
struct ufs_pa_layer_attr pwr_info;
|
||||
struct ufs_pwr_mode_info max_pwr_info;
|
||||
|
||||
@ -533,6 +542,9 @@ struct ufs_hba {
|
||||
struct devfreq *devfreq;
|
||||
struct ufs_clk_scaling clk_scaling;
|
||||
bool is_sys_suspended;
|
||||
|
||||
enum bkops_status urgent_bkops_lvl;
|
||||
bool is_urgent_bkops_lvl_checked;
|
||||
};
|
||||
|
||||
/* Returns true if clocks can be gated. Otherwise false */
|
||||
@ -588,15 +600,9 @@ int ufshcd_alloc_host(struct device *, struct ufs_hba **);
|
||||
void ufshcd_dealloc_host(struct ufs_hba *);
|
||||
int ufshcd_init(struct ufs_hba * , void __iomem * , unsigned int);
|
||||
void ufshcd_remove(struct ufs_hba *);
|
||||
|
||||
/**
|
||||
* ufshcd_hba_stop - Send controller to reset state
|
||||
* @hba: per adapter instance
|
||||
*/
|
||||
static inline void ufshcd_hba_stop(struct ufs_hba *hba)
|
||||
{
|
||||
ufshcd_writel(hba, CONTROLLER_DISABLE, REG_CONTROLLER_ENABLE);
|
||||
}
|
||||
int ufshcd_wait_for_register(struct ufs_hba *hba, u32 reg, u32 mask,
|
||||
u32 val, unsigned long interval_us,
|
||||
unsigned long timeout_ms, bool can_sleep);
|
||||
|
||||
static inline void check_upiu_size(void)
|
||||
{
|
||||
@ -682,11 +688,27 @@ static inline int ufshcd_dme_peer_get(struct ufs_hba *hba,
|
||||
return ufshcd_dme_get_attr(hba, attr_sel, mib_val, DME_PEER);
|
||||
}
|
||||
|
||||
int ufshcd_read_device_desc(struct ufs_hba *hba, u8 *buf, u32 size);
|
||||
|
||||
static inline bool ufshcd_is_hs_mode(struct ufs_pa_layer_attr *pwr_info)
|
||||
{
|
||||
return (pwr_info->pwr_rx == FAST_MODE ||
|
||||
pwr_info->pwr_rx == FASTAUTO_MODE) &&
|
||||
(pwr_info->pwr_tx == FAST_MODE ||
|
||||
pwr_info->pwr_tx == FASTAUTO_MODE);
|
||||
}
|
||||
|
||||
#define ASCII_STD true
|
||||
|
||||
int ufshcd_read_string_desc(struct ufs_hba *hba, int desc_index, u8 *buf,
|
||||
u32 size, bool ascii);
|
||||
|
||||
/* Expose Query-Request API */
|
||||
int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode,
|
||||
enum flag_idn idn, bool *flag_res);
|
||||
int ufshcd_hold(struct ufs_hba *hba, bool async);
|
||||
void ufshcd_release(struct ufs_hba *hba);
|
||||
u32 ufshcd_get_local_unipro_ver(struct ufs_hba *hba);
|
||||
|
||||
/* Wrapper functions for safely calling variant operations */
|
||||
static inline const char *ufshcd_get_var_name(struct ufs_hba *hba)
|
||||
|
||||
@ -92,6 +92,7 @@ enum {
|
||||
UFSHCI_VERSION_10 = 0x00010000, /* 1.0 */
|
||||
UFSHCI_VERSION_11 = 0x00010100, /* 1.1 */
|
||||
UFSHCI_VERSION_20 = 0x00000200, /* 2.0 */
|
||||
UFSHCI_VERSION_21 = 0x00000210, /* 2.1 */
|
||||
};
|
||||
|
||||
/*
|
||||
@ -170,6 +171,8 @@ enum {
|
||||
#define UIC_DATA_LINK_LAYER_ERROR UFS_BIT(31)
|
||||
#define UIC_DATA_LINK_LAYER_ERROR_CODE_MASK 0x7FFF
|
||||
#define UIC_DATA_LINK_LAYER_ERROR_PA_INIT 0x2000
|
||||
#define UIC_DATA_LINK_LAYER_ERROR_NAC_RECEIVED 0x0001
|
||||
#define UIC_DATA_LINK_LAYER_ERROR_TCx_REPLAY_TIMEOUT 0x0002
|
||||
|
||||
/* UECN - Host UIC Error Code Network Layer 40h */
|
||||
#define UIC_NETWORK_LAYER_ERROR UFS_BIT(31)
|
||||
@ -209,6 +212,7 @@ enum {
|
||||
|
||||
/* GenSelectorIndex calculation macros for M-PHY attributes */
|
||||
#define UIC_ARG_MPHY_TX_GEN_SEL_INDEX(lane) (lane)
|
||||
#define UIC_ARG_MPHY_RX_GEN_SEL_INDEX(lane) (PA_MAXDATALANES + (lane))
|
||||
|
||||
#define UIC_ARG_MIB_SEL(attr, sel) ((((attr) & 0xFFFF) << 16) |\
|
||||
((sel) & 0xFFFF))
|
||||
|
||||
@ -15,6 +15,7 @@
|
||||
/*
|
||||
* M-TX Configuration Attributes
|
||||
*/
|
||||
#define TX_HIBERN8TIME_CAPABILITY 0x000F
|
||||
#define TX_MODE 0x0021
|
||||
#define TX_HSRATE_SERIES 0x0022
|
||||
#define TX_HSGEAR 0x0023
|
||||
@ -48,8 +49,12 @@
|
||||
#define RX_ENTER_HIBERN8 0x00A7
|
||||
#define RX_BYPASS_8B10B_ENABLE 0x00A8
|
||||
#define RX_TERMINATION_FORCE_ENABLE 0x0089
|
||||
#define RX_MIN_ACTIVATETIME_CAPABILITY 0x008F
|
||||
#define RX_HIBERN8TIME_CAPABILITY 0x0092
|
||||
|
||||
#define is_mphy_tx_attr(attr) (attr < RX_MODE)
|
||||
#define RX_MIN_ACTIVATETIME_UNIT_US 100
|
||||
#define HIBERN8TIME_UNIT_US 100
|
||||
/*
|
||||
* PHY Adpater attributes
|
||||
*/
|
||||
@ -70,6 +75,7 @@
|
||||
#define PA_MAXRXSPEEDFAST 0x1541
|
||||
#define PA_MAXRXSPEEDSLOW 0x1542
|
||||
#define PA_TXLINKSTARTUPHS 0x1544
|
||||
#define PA_LOCAL_TX_LCC_ENABLE 0x155E
|
||||
#define PA_TXSPEEDFAST 0x1565
|
||||
#define PA_TXSPEEDSLOW 0x1566
|
||||
#define PA_REMOTEVERINFO 0x15A0
|
||||
@ -110,6 +116,12 @@
|
||||
#define PA_STALLNOCONFIGTIME 0x15A3
|
||||
#define PA_SAVECONFIGTIME 0x15A4
|
||||
|
||||
#define PA_TACTIVATE_TIME_UNIT_US 10
|
||||
#define PA_HIBERN8_TIME_UNIT_US 100
|
||||
|
||||
/* PHY Adapter Protocol Constants */
|
||||
#define PA_MAXDATALANES 4
|
||||
|
||||
/* PA power modes */
|
||||
enum {
|
||||
FAST_MODE = 1,
|
||||
@ -143,6 +155,16 @@ enum ufs_hs_gear_tag {
|
||||
UFS_HS_G3, /* HS Gear 3 */
|
||||
};
|
||||
|
||||
enum ufs_unipro_ver {
|
||||
UFS_UNIPRO_VER_RESERVED = 0,
|
||||
UFS_UNIPRO_VER_1_40 = 1, /* UniPro version 1.40 */
|
||||
UFS_UNIPRO_VER_1_41 = 2, /* UniPro version 1.41 */
|
||||
UFS_UNIPRO_VER_1_6 = 3, /* UniPro version 1.6 */
|
||||
UFS_UNIPRO_VER_MAX = 4, /* UniPro unsupported version */
|
||||
/* UniPro version field mask in PA_LOCALVERINFO */
|
||||
UFS_UNIPRO_VER_MASK = 0xF,
|
||||
};
|
||||
|
||||
/*
|
||||
* Data Link Layer Attributes
|
||||
*/
|
||||
|
||||
Loading…
Reference in New Issue
Block a user