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misc: rtsx: Enable OCP for rts522a rts524a rts525a rts5260

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this enables and adds OCP function for Realtek A series cardreader chips
and fixes some OCP flow in rts5260.c

Signed-off-by: RickyWu <ricky_wu@realtek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
RickyWu
2019-02-19 20:49:58 +08:00
committed by Greg Kroah-Hartman
parent 5666dfd1d8
commit bede03a579
5 changed files with 166 additions and 113 deletions
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32
drivers/misc/cardreader/rts5249.c
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@@ -284,6 +284,10 @@ static int rtsx_base_disable_auto_blink(struct rtsx_pcr *pcr)
static int rtsx_base_card_power_on(struct rtsx_pcr *pcr, int card)
{
int err;
struct rtsx_cr_option *option = &pcr->option;
if (option->ocp_en)
rtsx_pci_enable_ocp(pcr);
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL,
@@ -306,12 +310,15 @@ static int rtsx_base_card_power_on(struct rtsx_pcr *pcr, int card)
static int rtsx_base_card_power_off(struct rtsx_pcr *pcr, int card)
{
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL,
SD_POWER_MASK, SD_POWER_OFF);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
LDO3318_PWR_MASK, 0x00);
return rtsx_pci_send_cmd(pcr, 100);
struct rtsx_cr_option *option = &pcr->option;
if (option->ocp_en)
rtsx_pci_disable_ocp(pcr);
rtsx_pci_write_register(pcr, CARD_PWR_CTL, SD_POWER_MASK, SD_POWER_OFF);
rtsx_pci_write_register(pcr, PWR_GATE_CTRL, LDO3318_PWR_MASK, 0x00);
return 0;
}
static int rtsx_base_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
@@ -629,6 +636,13 @@ void rts524a_init_params(struct rtsx_pcr *pcr)
pcr->reg_pm_ctrl3 = RTS524A_PM_CTRL3;
pcr->ops = &rts524a_pcr_ops;
pcr->option.ocp_en = 1;
if (pcr->option.ocp_en)
pcr->hw_param.interrupt_en |= SD_OC_INT_EN;
pcr->hw_param.ocp_glitch = SD_OCP_GLITCH_10M;
pcr->option.sd_800mA_ocp_thd = RTS524A_OCP_THD_800;
}
static int rts525a_card_power_on(struct rtsx_pcr *pcr, int card)
@@ -737,4 +751,10 @@ void rts525a_init_params(struct rtsx_pcr *pcr)
pcr->reg_pm_ctrl3 = RTS524A_PM_CTRL3;
pcr->ops = &rts525a_pcr_ops;
pcr->option.ocp_en = 1;
if (pcr->option.ocp_en)
pcr->hw_param.interrupt_en |= SD_OC_INT_EN;
pcr->hw_param.ocp_glitch = SD_OCP_GLITCH_10M;
pcr->option.sd_800mA_ocp_thd = RTS525A_OCP_THD_800;
}