[PATCH] misc: rtsx: Fixed rts5260 power saving parameter and sd glitch

From: ricky_wu
Date: Tue Apr 02 2019 - 04:56:26 EST


From: RickyWu <ricky_wu@xxxxxxxxxxx>

this patch fixes rts5260 power saving parameter
make power saving function work on L1.1, L1.2

Signed-off-by: RickyWu <ricky_wu@xxxxxxxxxxx>
---
drivers/misc/cardreader/rts5260.c | 21 +++++++++++----------
1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/drivers/misc/cardreader/rts5260.c b/drivers/misc/cardreader/rts5260.c
index da22bcb62b04..b510d3f46587 100644
--- a/drivers/misc/cardreader/rts5260.c
+++ b/drivers/misc/cardreader/rts5260.c
@@ -195,7 +195,7 @@ static int sd_set_sample_push_timing_sd30(struct rtsx_pcr *pcr)
| SD_ASYNC_FIFO_NOT_RST, SD_30_MODE | SD_ASYNC_FIFO_NOT_RST);
rtsx_pci_write_register(pcr, CLK_CTL, CLK_LOW_FREQ, CLK_LOW_FREQ);
rtsx_pci_write_register(pcr, CARD_CLK_SOURCE, 0xFF,
- CRC_VAR_CLK0 | SD30_FIX_CLK | SAMPLE_VAR_CLK1);
+ CRC_VAR_CLK0 | SD30_FIX_CLK | SAMPLE_VAR_CLK1);
rtsx_pci_write_register(pcr, CLK_CTL, CLK_LOW_FREQ, 0);

return 0;
@@ -238,8 +238,8 @@ static int rts5260_card_power_on(struct rtsx_pcr *pcr, int card)
/* Reset SD_CFG3 register */
rtsx_pci_write_register(pcr, SD_CFG3, SD30_CLK_END_EN, 0);
rtsx_pci_write_register(pcr, REG_SD_STOP_SDCLK_CFG,
- SD30_CLK_STOP_CFG_EN | SD30_CLK_STOP_CFG1 |
- SD30_CLK_STOP_CFG0, 0);
+ SD30_CLK_STOP_CFG_EN | SD30_CLK_STOP_CFG1 |
+ SD30_CLK_STOP_CFG0, 0);

rtsx_pci_write_register(pcr, REG_PRE_RW_MODE, EN_INFINITE_MODE, 0);

@@ -315,12 +315,12 @@ static void rts5260_init_ocp(struct rtsx_pcr *pcr)


rtsx_pci_write_register(pcr, RTS5260_DVCC_CTRL,
- RTS5260_DVCC_OCP_THD_MASK,
- option->sd_800mA_ocp_thd);
+ RTS5260_DVCC_OCP_THD_MASK,
+ option->sd_800mA_ocp_thd);

rtsx_pci_write_register(pcr, RTS5260_DV331812_CFG,
- RTS5260_DV331812_OCP_THD_MASK,
- RTS5260_DV331812_OCP_THD_270);
+ RTS5260_DV331812_OCP_THD_MASK,
+ RTS5260_DV331812_OCP_THD_270);

mask = SD_OCP_GLITCH_MASK;
val = pcr->hw_param.ocp_glitch;
@@ -451,6 +451,7 @@ static void rts5260_pwr_saving_setting(struct rtsx_pcr *pcr)
lss_l1_2 = rtsx_check_dev_flag(pcr, ASPM_L1_2_EN)
| rtsx_check_dev_flag(pcr, PM_L1_2_EN);

+ rtsx_pci_write_register(pcr, ASPM_FORCE_CTL, 0xFF, 0);
if (lss_l1_2) {
pcr_dbg(pcr, "Set parameters for L1.2.");
rtsx_pci_write_register(pcr, PWR_GLOBAL_CTRL,
@@ -573,10 +574,10 @@ static int rts5260_extra_init_hw(struct rtsx_pcr *pcr)
* to drive low, and we forcibly request clock.
*/
if (option->force_clkreq_0)
- rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG,
+ rtsx_pci_write_register(pcr, PETXCFG,
FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW);
else
- rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG,
+ rtsx_pci_write_register(pcr, PETXCFG,
FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH);

return 0;
@@ -704,7 +705,7 @@ void rts5260_init_params(struct rtsx_pcr *pcr)
option->ocp_en = 1;
if (option->ocp_en)
hw_param->interrupt_en |= SD_OC_INT_EN;
- hw_param->ocp_glitch = SDVIO_OCP_GLITCH_800U | SDVIO_OCP_GLITCH_800U;
+ hw_param->ocp_glitch = SD_OCP_GLITCH_100U | SDVIO_OCP_GLITCH_800U;
option->sd_400mA_ocp_thd = RTS5260_DVCC_OCP_THD_550;
option->sd_800mA_ocp_thd = RTS5260_DVCC_OCP_THD_970;
}
--
2.17.1