diff options
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/thinkpad_acpi.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index d287283b8aa5..cc4155c3620e 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -1601,6 +1601,187 @@ static void tpacpi_remove_driver_attributes(struct device_driver *drv) #endif } +/************************************************************************* + * Firmware Data + */ + +/* + * Table of recommended minimum BIOS versions + * + * Reasons for listing: + * 1. Stable BIOS, listed because the unknown ammount of + * bugs and bad ACPI behaviour on older versions + * + * 2. BIOS or EC fw with known bugs that trigger on Linux + * + * 3. BIOS with known reduced functionality in older versions + * + * We recommend the latest BIOS and EC version. + * We only support the latest BIOS and EC fw version as a rule. + * + * Sources: IBM ThinkPad Public Web Documents (update changelogs), + * Information from users in ThinkWiki + */ + +#define TPV_Q(__v, __id1, __id2, __bv1, __bv2) \ + { .vendor = (__v), \ + .bios = TPID(__id1, __id2), \ + .ec = TPACPI_MATCH_ANY, \ + .quirks = TPACPI_MATCH_ANY << 16 \ + | (__bv1) << 8 | (__bv2) } + +#define TPV_Q_X(__v, __bid1, __bid2, __bv1, __bv2, \ + __eid1, __eid2, __ev1, __ev2) \ + { .vendor = (__v), \ + .bios = TPID(__bid1, __bid2), \ + .ec = TPID(__eid1, __eid2), \ + .quirks = (__ev1) << 24 | (__ev2) << 16 \ + | (__bv1) << 8 | (__bv2) } + +#define TPV_QI0(__id1, __id2, __bv1, __bv2) \ + TPV_Q(PCI_VENDOR_ID_IBM, __id1, __id2, __bv1, __bv2) + +#define TPV_QI1(__id1, __id2, __bv1, __bv2, __ev1, __ev2) \ + TPV_Q_X(PCI_VENDOR_ID_IBM, __id1, __id2, \ + __bv1, __bv2, __id1, __id2, __ev1, __ev2) + +#define TPV_QI2(__bid1, __bid2, __bv1, __bv2, \ + __eid1, __eid2, __ev1, __ev2) \ + TPV_Q_X(PCI_VENDOR_ID_IBM, __bid1, __bid2, \ + __bv1, __bv2, __eid1, __eid2, __ev1, __ev2) + +#define TPV_QL0(__id1, __id2, __bv1, __bv2) \ + TPV_Q(PCI_VENDOR_ID_LENOVO, __id1, __id2, __bv1, __bv2) + +#define TPV_QL1(__id1, __id2, __bv1, __bv2, __ev1, __ev2) \ + TPV_Q_X(PCI_VENDOR_ID_LENOVO, __id1, __id2, \ + __bv1, __bv2, __id1, __id2, __ev1, __ev2) + +#define TPV_QL2(__bid1, __bid2, __bv1, __bv2, \ + __eid1, __eid2, __ev1, __ev2) \ + TPV_Q_X(PCI_VENDOR_ID_LENOVO, __bid1, __bid2, \ + __bv1, __bv2, __eid1, __eid2, __ev1, __ev2) + +static const struct tpacpi_quirk tpacpi_bios_version_qtable[] __initconst = { + /* Numeric models ------------------ */ + /* FW MODEL BIOS VERS */ + TPV_QI0('I', 'M', '6', '5'), /* 570 */ + TPV_QI0('I', 'U', '2', '6'), /* 570E */ + TPV_QI0('I', 'B', '5', '4'), /* 600 */ + TPV_QI0('I', 'H', '4', '7'), /* 600E */ + TPV_QI0('I', 'N', '3', '6'), /* 600E */ + TPV_QI0('I', 'T', '5', '5'), /* 600X */ + TPV_QI0('I', 'D', '4', '8'), /* 770, 770E, 770ED */ + TPV_QI0('I', 'I', '4', '2'), /* 770X */ + TPV_QI0('I', 'O', '2', '3'), /* 770Z */ + + /* A-series ------------------------- */ + /* FW MODEL BIOS VERS EC VERS */ + TPV_QI0('I', 'W', '5', '9'), /* A20m */ + TPV_QI0('I', 'V', '6', '9'), /* A20p */ + TPV_QI0('1', '0', '2', '6'), /* A21e, A22e */ + TPV_QI0('K', 'U', '3', '6'), /* A21e */ + TPV_QI0('K', 'X', '3', '6'), /* A21m, A22m */ + TPV_QI0('K', 'Y', '3', '8'), /* A21p, A22p */ + TPV_QI0('1', 'B', '1', '7'), /* A22e */ + TPV_QI0('1', '3', '2', '0'), /* A22m */ + TPV_QI0('1', 'E', '7', '3'), /* A30/p (0) */ + TPV_QI1('1', 'G', '4', '1', '1', '7'), /* A31/p (0) */ + TPV_QI1('1', 'N', '1', '6', '0', '7'), /* A31/p (0) */ + + /* G-series ------------------------- */ + /* FW MODEL BIOS VERS */ + TPV_QI0('1', 'T', 'A', '6'), /* G40 */ + TPV_QI0('1', 'X', '5', '7'), /* G41 */ + + /* R-series, T-series --------------- */ + /* FW MODEL BIOS VERS EC VERS */ + TPV_QI0('1', 'C', 'F', '0'), /* R30 */ + TPV_QI0('1', 'F', 'F', '1'), /* R31 */ + TPV_QI0('1', 'M', '9', '7'), /* R32 */ + TPV_QI0('1', 'O', '6', '1'), /* R40 */ + TPV_QI0('1', 'P', '6', '5'), /* R40 */ + TPV_QI0('1', 'S', '7', '0'), /* R40e */ + TPV_QI1('1', 'R', 'D', 'R', '7', '1'), /* R50/p, R51, + T40/p, T41/p, T42/p (1) */ + TPV_QI1('1', 'V', '7', '1', '2', '8'), /* R50e, R51 (1) */ + TPV_QI1('7', '8', '7', '1', '0', '6'), /* R51e (1) */ + TPV_QI1('7', '6', '6', '9', '1', '6'), /* R52 (1) */ + TPV_QI1('7', '0', '6', '9', '2', '8'), /* R52, T43 (1) */ + + TPV_QI0('I', 'Y', '6', '1'), /* T20 */ + TPV_QI0('K', 'Z', '3', '4'), /* T21 */ + TPV_QI0('1', '6', '3', '2'), /* T22 */ + TPV_QI1('1', 'A', '6', '4', '2', '3'), /* T23 (0) */ + TPV_QI1('1', 'I', '7', '1', '2', '0'), /* T30 (0) */ + TPV_QI1('1', 'Y', '6', '5', '2', '9'), /* T43/p (1) */ + + TPV_QL1('7', '9', 'E', '3', '5', '0'), /* T60/p */ + TPV_QL1('7', 'C', 'D', '2', '2', '2'), /* R60, R60i */ + TPV_QL0('7', 'E', 'D', '0'), /* R60e, R60i */ + + /* BIOS FW BIOS VERS EC FW EC VERS */ + TPV_QI2('1', 'W', '9', '0', '1', 'V', '2', '8'), /* R50e (1) */ + TPV_QL2('7', 'I', '3', '4', '7', '9', '5', '0'), /* T60/p wide */ + + /* X-series ------------------------- */ + /* FW MODEL BIOS VERS EC VERS */ + TPV_QI0('I', 'Z', '9', 'D'), /* X20, X21 */ + TPV_QI0('1', 'D', '7', '0'), /* X22, X23, X24 */ + TPV_QI1('1', 'K', '4', '8', '1', '8'), /* X30 (0) */ + TPV_QI1('1', 'Q', '9', '7', '2', '3'), /* X31, X32 (0) */ + TPV_QI1('1', 'U', 'D', '3', 'B', '2'), /* X40 (0) */ + TPV_QI1('7', '4', '6', '4', '2', '7'), /* X41 (0) */ + TPV_QI1('7', '5', '6', '0', '2', '0'), /* X41t (0) */ + + TPV_QL0('7', 'B', 'D', '7'), /* X60/s */ + TPV_QL0('7', 'J', '3', '0'), /* X60t */ + + /* (0) - older versions lack DMI EC fw string and functionality */ + /* (1) - older versions known to lack functionality */ +}; + +#undef TPV_QL1 +#undef TPV_QL0 +#undef TPV_QI2 +#undef TPV_QI1 +#undef TPV_QI0 +#undef TPV_Q_X +#undef TPV_Q + +static void __init tpacpi_check_outdated_fw(void) +{ + unsigned long fwvers; + u16 ec_version, bios_version; + + fwvers = tpacpi_check_quirks(tpacpi_bios_version_qtable, + ARRAY_SIZE(tpacpi_bios_version_qtable)); + + if (!fwvers) + return; + + bios_version = fwvers & 0xffffU; + ec_version = (fwvers >> 16) & 0xffffU; + + /* note that unknown versions are set to 0x0000 and we use that */ + if ((bios_version > thinkpad_id.bios_release) || + (ec_version > thinkpad_id.ec_release && + ec_version != TPACPI_MATCH_ANY)) { + /* + * The changelogs would let us track down the exact + * reason, but it is just too much of a pain to track + * it. We only list BIOSes that are either really + * broken, or really stable to begin with, so it is + * best if the user upgrades the firmware anyway. + */ + printk(TPACPI_WARN + "WARNING: Outdated ThinkPad BIOS/EC firmware\n"); + printk(TPACPI_WARN + "WARNING: This firmware may be missing critical bug " + "fixes and/or important features\n"); + } +} + /**************************************************************************** **************************************************************************** * @@ -1634,6 +1815,7 @@ static int __init thinkpad_acpi_driver_init(struct ibm_init_struct *iibm) (thinkpad_id.nummodel_str) ? thinkpad_id.nummodel_str : "unknown"); + tpacpi_check_outdated_fw(); return 0; } |