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| author | Wei WANG <wei_wang@realsil.com.cn> | 2013-08-20 10:18:51 +0400 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2013-08-20 12:22:00 +0400 |
| commit | 773ccdfd9cc6f9bf8ec75a59fa742d7a663a5903 (patch) | |
| tree | 3e9ac1a210e718aaeb459dc8950666e928ca68b1 /drivers/mfd/rtsx_pcr.h | |
| parent | 74d85e47ab8a7cdeffde6373cf1550bfbd2feaa6 (diff) | |
| download | linux-773ccdfd9cc6f9bf8ec75a59fa742d7a663a5903.tar.xz | |
mfd: rtsx: Read vendor setting from config space
Normally OEMs will set vendor setting to the config space of Realtek
card reader in BIOS stage. This patch reads the setting at the first,
and configure the internal registers according to it, to improve card
reader's compatibility condition.
Signed-off-by: Wei WANG <wei_wang@realsil.com.cn>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd/rtsx_pcr.h')
| -rw-r--r-- | drivers/mfd/rtsx_pcr.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/mfd/rtsx_pcr.h b/drivers/mfd/rtsx_pcr.h index c0cac7e8972f..7a1b87a250a5 100644 --- a/drivers/mfd/rtsx_pcr.h +++ b/drivers/mfd/rtsx_pcr.h @@ -35,4 +35,33 @@ void rts5227_init_params(struct rtsx_pcr *pcr); void rts5249_init_params(struct rtsx_pcr *pcr); void rtl8411b_init_params(struct rtsx_pcr *pcr); +static inline u8 map_sd_drive(int idx) +{ + u8 sd_drive[4] = { + 0x01, /* Type D */ + 0x02, /* Type C */ + 0x05, /* Type A */ + 0x03 /* Type B */ + }; + + return sd_drive[idx]; +} + +#define rtsx_vendor_setting_valid(reg) (!((reg) & 0x1000000)) +#define rts5209_vendor_setting1_valid(reg) (!((reg) & 0x80)) +#define rts5209_vendor_setting2_valid(reg) ((reg) & 0x80) + +#define rtsx_reg_to_aspm(reg) (((reg) >> 28) & 0x03) +#define rtsx_reg_to_sd30_drive_sel_1v8(reg) (((reg) >> 26) & 0x03) +#define rtsx_reg_to_sd30_drive_sel_3v3(reg) (((reg) >> 5) & 0x03) +#define rtsx_reg_to_card_drive_sel(reg) ((((reg) >> 25) & 0x01) << 6) +#define rtsx_reg_check_reverse_socket(reg) ((reg) & 0x4000) +#define rts5209_reg_to_aspm(reg) (((reg) >> 5) & 0x03) +#define rts5209_reg_check_ms_pmos(reg) (!((reg) & 0x08)) +#define rts5209_reg_to_sd30_drive_sel_1v8(reg) (((reg) >> 3) & 0x07) +#define rts5209_reg_to_sd30_drive_sel_3v3(reg) ((reg) & 0x07) +#define rts5209_reg_to_card_drive_sel(reg) ((reg) >> 8) +#define rtl8411_reg_to_sd30_drive_sel_3v3(reg) (((reg) >> 5) & 0x07) +#define rtl8411b_reg_to_sd30_drive_sel_3v3(reg) ((reg) & 0x03) + #endif |