diff options
| author | Ricky WU <ricky_wu@realtek.com> | 2022-02-21 11:20:29 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-02-25 12:11:16 +0100 |
| commit | 86f4c65fd5003c894dd3082d53e26307fbc211cc (patch) | |
| tree | b403c96ad1938c437b33667bf95fecd630b0c3a2 /drivers/misc/cardreader/rts5228.c | |
| parent | f4e335f34519ba8e1271f779a7bc7db168e4488d (diff) | |
misc: rtsx: rts522a rts5228 rts5261 support Runtime PM
rts522a, rts5228, rts5261
add extra init flow for rtd3
add more power_down setting for avoid being woken up
by plugging or unplugging card when system in S3
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Ricky Wu <ricky_wu@realtek.com>
Link: https://lore.kernel.org/r/dace32f573a445908fec0a10482c394c@realtek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/cardreader/rts5228.c')
| -rw-r--r-- | drivers/misc/cardreader/rts5228.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/misc/cardreader/rts5228.c b/drivers/misc/cardreader/rts5228.c index ffe3afbf8bfe..af581f4f74d1 100644 --- a/drivers/misc/cardreader/rts5228.c +++ b/drivers/misc/cardreader/rts5228.c @@ -102,6 +102,14 @@ static void rts5228_force_power_down(struct rtsx_pcr *pcr, u8 pm_state, bool run rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, D3_DELINK_MODE_EN, D3_DELINK_MODE_EN); + if (!runtime) { + rtsx_pci_write_register(pcr, RTS5228_AUTOLOAD_CFG1, + CD_RESUME_EN_MASK, 0); + rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, 0x01, 0x00); + rtsx_pci_write_register(pcr, RTS5228_REG_PME_FORCE_CTL, + FORCE_PM_CONTROL | FORCE_PM_VALUE, FORCE_PM_CONTROL); + } + rtsx_pci_write_register(pcr, FPDCTL, SSC_POWER_DOWN, SSC_POWER_DOWN); } @@ -480,9 +488,18 @@ static int rts5228_extra_init_hw(struct rtsx_pcr *pcr) FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH); rtsx_pci_write_register(pcr, PWD_SUSPEND_EN, 0xFF, 0xFB); - rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, 0x10, 0x00); + + if (pcr->rtd3_en) { + rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, 0x01, 0x01); rtsx_pci_write_register(pcr, RTS5228_REG_PME_FORCE_CTL, - FORCE_PM_CONTROL | FORCE_PM_VALUE, FORCE_PM_CONTROL); + FORCE_PM_CONTROL | FORCE_PM_VALUE, + FORCE_PM_CONTROL | FORCE_PM_VALUE); + } else { + rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, 0x01, 0x00); + rtsx_pci_write_register(pcr, RTS5228_REG_PME_FORCE_CTL, + FORCE_PM_CONTROL | FORCE_PM_VALUE, FORCE_PM_CONTROL); + } + rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, D3_DELINK_MODE_EN, 0x00); return 0; } |