Subhash Jadavani | cce6fbc | 2016-08-11 11:35:26 -0700 | [diff] [blame] | 1 | /* |
Subhash Jadavani | be09603 | 2017-03-23 12:55:25 -0700 | [diff] [blame] | 2 | * Copyright (c) 2013-2017, The Linux Foundation. All rights reserved. |
Subhash Jadavani | cce6fbc | 2016-08-11 11:35:26 -0700 | [diff] [blame] | 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 and |
| 6 | * only version 2 as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | */ |
| 13 | |
| 14 | #include "ufshcd.h" |
| 15 | #include "ufs_quirks.h" |
| 16 | |
Subhash Jadavani | cce6fbc | 2016-08-11 11:35:26 -0700 | [diff] [blame] | 17 | static struct ufs_card_fix ufs_fixups[] = { |
| 18 | /* UFS cards deviations table */ |
| 19 | UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL, UFS_DEVICE_NO_VCCQ), |
| 20 | UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL, |
| 21 | UFS_DEVICE_QUIRK_RECOVERY_FROM_DL_NAC_ERRORS), |
| 22 | UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL, |
| 23 | UFS_DEVICE_NO_FASTAUTO), |
Kyle Yan | 65be4a5 | 2016-10-31 15:05:00 -0700 | [diff] [blame] | 24 | UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL, |
| 25 | UFS_DEVICE_QUIRK_HOST_PA_TACTIVATE), |
Subhash Jadavani | cce6fbc | 2016-08-11 11:35:26 -0700 | [diff] [blame] | 26 | UFS_FIX(UFS_VENDOR_TOSHIBA, "THGLF2G9C8KBADG", |
| 27 | UFS_DEVICE_QUIRK_PA_TACTIVATE), |
| 28 | UFS_FIX(UFS_VENDOR_TOSHIBA, "THGLF2G9D8KBADG", |
| 29 | UFS_DEVICE_QUIRK_PA_TACTIVATE), |
Kyle Yan | 65be4a5 | 2016-10-31 15:05:00 -0700 | [diff] [blame] | 30 | UFS_FIX(UFS_VENDOR_SKHYNIX, UFS_ANY_MODEL, |
Subhash Jadavani | cce6fbc | 2016-08-11 11:35:26 -0700 | [diff] [blame] | 31 | UFS_DEVICE_QUIRK_HOST_PA_SAVECONFIGTIME), |
Kyle Yan | 65be4a5 | 2016-10-31 15:05:00 -0700 | [diff] [blame] | 32 | UFS_FIX(UFS_VENDOR_SKHYNIX, UFS_ANY_MODEL, UFS_DEVICE_NO_VCCQ), |
Subhash Jadavani | be09603 | 2017-03-23 12:55:25 -0700 | [diff] [blame] | 33 | UFS_FIX(UFS_VENDOR_SKHYNIX, "hB8aL1", |
| 34 | UFS_DEVICE_QUIRK_HS_G1_TO_HS_G3_SWITCH), |
| 35 | UFS_FIX(UFS_VENDOR_SKHYNIX, "hC8aL1", |
| 36 | UFS_DEVICE_QUIRK_HS_G1_TO_HS_G3_SWITCH), |
| 37 | UFS_FIX(UFS_VENDOR_SKHYNIX, "hD8aL1", |
| 38 | UFS_DEVICE_QUIRK_HS_G1_TO_HS_G3_SWITCH), |
| 39 | UFS_FIX(UFS_VENDOR_SKHYNIX, "hC8aM1", |
| 40 | UFS_DEVICE_QUIRK_HS_G1_TO_HS_G3_SWITCH), |
| 41 | UFS_FIX(UFS_VENDOR_SKHYNIX, "h08aM1", |
| 42 | UFS_DEVICE_QUIRK_HS_G1_TO_HS_G3_SWITCH), |
| 43 | UFS_FIX(UFS_VENDOR_SKHYNIX, "hC8GL1", |
| 44 | UFS_DEVICE_QUIRK_HS_G1_TO_HS_G3_SWITCH), |
| 45 | UFS_FIX(UFS_VENDOR_SKHYNIX, "hC8HL1", |
| 46 | UFS_DEVICE_QUIRK_HS_G1_TO_HS_G3_SWITCH), |
Subhash Jadavani | cce6fbc | 2016-08-11 11:35:26 -0700 | [diff] [blame] | 47 | |
| 48 | END_FIX |
| 49 | }; |
| 50 | |
Subhash Jadavani | 344c16c | 2016-12-15 17:09:35 -0800 | [diff] [blame] | 51 | void ufs_advertise_fixup_device(struct ufs_hba *hba) |
Subhash Jadavani | cce6fbc | 2016-08-11 11:35:26 -0700 | [diff] [blame] | 52 | { |
| 53 | int err; |
Michal' Potomski | 833ea2a | 2017-05-31 15:25:11 +0530 | [diff] [blame] | 54 | u8 str_desc_buf[QUERY_DESC_MAX_SIZE + 1]; |
Subhash Jadavani | 344c16c | 2016-12-15 17:09:35 -0800 | [diff] [blame] | 55 | char *model; |
| 56 | struct ufs_card_fix *f; |
Subhash Jadavani | cce6fbc | 2016-08-11 11:35:26 -0700 | [diff] [blame] | 57 | |
Subhash Jadavani | 344c16c | 2016-12-15 17:09:35 -0800 | [diff] [blame] | 58 | model = kmalloc(MAX_MODEL_LEN + 1, GFP_KERNEL); |
| 59 | if (!model) |
Subhash Jadavani | cce6fbc | 2016-08-11 11:35:26 -0700 | [diff] [blame] | 60 | goto out; |
| 61 | |
Michal' Potomski | 833ea2a | 2017-05-31 15:25:11 +0530 | [diff] [blame] | 62 | memset(str_desc_buf, 0, QUERY_DESC_MAX_SIZE); |
Subhash Jadavani | 344c16c | 2016-12-15 17:09:35 -0800 | [diff] [blame] | 63 | err = ufshcd_read_string_desc(hba, hba->dev_info.i_product_name, |
Michal' Potomski | 833ea2a | 2017-05-31 15:25:11 +0530 | [diff] [blame] | 64 | str_desc_buf, QUERY_DESC_MAX_SIZE, ASCII_STD); |
Subhash Jadavani | cce6fbc | 2016-08-11 11:35:26 -0700 | [diff] [blame] | 65 | if (err) |
| 66 | goto out; |
| 67 | |
Michal' Potomski | 833ea2a | 2017-05-31 15:25:11 +0530 | [diff] [blame] | 68 | str_desc_buf[QUERY_DESC_MAX_SIZE] = '\0'; |
Subhash Jadavani | 344c16c | 2016-12-15 17:09:35 -0800 | [diff] [blame] | 69 | strlcpy(model, (str_desc_buf + QUERY_DESC_HDR_SIZE), |
Subhash Jadavani | cce6fbc | 2016-08-11 11:35:26 -0700 | [diff] [blame] | 70 | min_t(u8, str_desc_buf[QUERY_DESC_LENGTH_OFFSET], |
| 71 | MAX_MODEL_LEN)); |
| 72 | /* Null terminate the model string */ |
Subhash Jadavani | 344c16c | 2016-12-15 17:09:35 -0800 | [diff] [blame] | 73 | model[MAX_MODEL_LEN] = '\0'; |
Subhash Jadavani | cce6fbc | 2016-08-11 11:35:26 -0700 | [diff] [blame] | 74 | |
| 75 | for (f = ufs_fixups; f->quirk; f++) { |
| 76 | /* if same wmanufacturerid */ |
Subhash Jadavani | 344c16c | 2016-12-15 17:09:35 -0800 | [diff] [blame] | 77 | if (((f->w_manufacturer_id == |
| 78 | hba->dev_info.w_manufacturer_id) || |
| 79 | (f->w_manufacturer_id == UFS_ANY_VENDOR)) && |
Subhash Jadavani | cce6fbc | 2016-08-11 11:35:26 -0700 | [diff] [blame] | 80 | /* and same model */ |
Subhash Jadavani | 344c16c | 2016-12-15 17:09:35 -0800 | [diff] [blame] | 81 | (STR_PRFX_EQUAL(f->model, model) || |
| 82 | !strcmp(f->model, UFS_ANY_MODEL))) |
Subhash Jadavani | cce6fbc | 2016-08-11 11:35:26 -0700 | [diff] [blame] | 83 | /* update quirks */ |
Subhash Jadavani | 4f0df17b | 2016-12-16 13:19:27 -0800 | [diff] [blame] | 84 | hba->dev_info.quirks |= f->quirk; |
Subhash Jadavani | cce6fbc | 2016-08-11 11:35:26 -0700 | [diff] [blame] | 85 | } |
| 86 | out: |
Subhash Jadavani | 344c16c | 2016-12-15 17:09:35 -0800 | [diff] [blame] | 87 | kfree(model); |
Subhash Jadavani | cce6fbc | 2016-08-11 11:35:26 -0700 | [diff] [blame] | 88 | } |