[PATCH 09/10] mfd: rtsx: add support for rts525A

micky_ching
2015-01-15T11:21:33Z

From: Micky Ching <micky_ching@realsil.com.cn>

add support for new chip rts525A.

Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
---
drivers/mfd/rts5249.c | 93 +++++++++++++++++++++++++++++++++++++++++++++++++-
drivers/mfd/rtsx_pcr.c | 13 +++++--
drivers/mfd/rtsx_pcr.h | 1 +
3 files changed, 103 insertions(+), 4 deletions(-)

diff --git a/drivers/mfd/rts5249.c b/drivers/mfd/rts5249.c
index 1ce03a6..46b6522 100644
--- a/drivers/mfd/rts5249.c
+++ b/drivers/mfd/rts5249.c
@@ -97,7 +97,7 @@ static void rts5249_force_power_down(struct rtsx_pcr *pcr, u8 pm_state)
rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3, 0x01, 0);

if (pm_state == HOST_ENTER_S3) {
- if (PCI_PID(pcr) == 0x524A)
+ if (PCI_PID(pcr) == 0x524A || PCI_PID(pcr) == 0x525A)
rtsx_pci_write_register(pcr, RTS524A_PM_CTRL3,
D3_DELINK_MODE_EN, D3_DELINK_MODE_EN);
else if (PCI_PID(pcr) == 0x5249)
@@ -430,3 +430,94 @@ void rts524a_init_params(struct rtsx_pcr *pcr)
pcr->ops = &rts524a_pcr_ops;
}

+static int rts525a_card_power_on(struct rtsx_pcr *pcr, int card)
+{
+ rtsx_pci_write_register(pcr, LDO_VCC_CFG1,
+ LDO_VCC_TUNE_MASK, LDO_VCC_3V3);
+ return rts5249_card_power_on(pcr, card);
+}
+
+static int rts525a_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
+{
+ if (voltage == OUTPUT_3V3) {
+ rtsx_pci_write_register(pcr, LDO_CONFIG2,
+ LDO_D3318_MASK, LDO_D3318_33V);
+ rtsx_pci_write_register(pcr, SD_PAD_CTL, SD_IO_USING_1V8, 0);
+ } else if (voltage == OUTPUT_1V8) {
+ rtsx_pci_write_register(pcr, LDO_CONFIG2,
+ LDO_D3318_MASK, LDO_D3318_18V);
+ rtsx_pci_write_register(pcr, SD_PAD_CTL, SD_IO_USING_1V8,
+ SD_IO_USING_1V8);
+ } else {
+ return -EINVAL;
+ }
+
+ rtsx_pci_init_cmd(pcr);
+ rts5249_fill_driving(pcr, voltage);
+ return rtsx_pci_send_cmd(pcr, 100);
+}
+
+static int rts525a_optimize_phy(struct rtsx_pcr *pcr)
+{
+ int err;
+
+ err = rtsx_pci_write_register(pcr, RTS524A_PM_CTRL3,
+ D3_DELINK_MODE_EN, 0x00);
+ if (err < 0)
+ return err;
+
+ rtsx_pci_write_phy_register(pcr, 0x1D, 0x99FF);
+ rtsx_pci_write_phy_register(pcr, 0x03, 0x2748);
+
+ if (is_version(pcr, 0x525A, IC_VER_A))
+ rtsx_pci_write_phy_register(pcr, 0x19, 0x3902);
+
+ return 0;
+}
+
+static int rts525a_extra_init_hw(struct rtsx_pcr *pcr)
+{
+ rts5249_extra_init_hw(pcr);
+
+ rtsx_pci_write_register(pcr, PCLK_CTL, PCLK_MODE_SEL, PCLK_MODE_SEL);
+ if (is_version(pcr, 0x525A, IC_VER_A)) {
+ rtsx_pci_write_register(pcr, L1SUB_CONFIG2,
+ L1SUB_AUTO_CFG, L1SUB_AUTO_CFG);
+ rtsx_pci_write_register(pcr, RREF_CFG,
+ RREF_VBGSEL_MASK, RREF_VBGSEL_1V25);
+ rtsx_pci_write_register(pcr, LDO_VIO_CFG,
+ LDO_VIO_TUNE_MASK, LDO_VIO_1V7);
+ rtsx_pci_write_register(pcr, LDO_DV12S_CFG,
+ LDO_D12_TUNE_MASK, LDO_D12_TUNE_DF);
+ rtsx_pci_write_register(pcr, LDO_AV12S_CFG,
+ LDO_AV12S_TUNE_MASK, LDO_AV12S_TUNE_DF);
+ rtsx_pci_write_register(pcr, LDO_VCC_CFG0,
+ LDO_VCC_LMTVTH_MASK, LDO_VCC_LMTVTH_2A);
+ rtsx_pci_write_register(pcr, OOBS_CONFIG,
+ OOBS_AUTOK_DIS | OOBS_VAL_MASK, 0x89);
+ }
+
+ return 0;
+}
+
+static const struct pcr_ops rts525a_pcr_ops = {
+ .fetch_vendor_settings = rts5249_fetch_vendor_settings,
+ .extra_init_hw = rts525a_extra_init_hw,
+ .optimize_phy = rts525a_optimize_phy,
+ .turn_on_led = rts5249_turn_on_led,
+ .turn_off_led = rts5249_turn_off_led,
+ .enable_auto_blink = rts5249_enable_auto_blink,
+ .disable_auto_blink = rts5249_disable_auto_blink,
+ .card_power_on = rts525a_card_power_on,
+ .card_power_off = rts5249_card_power_off,
+ .switch_output_voltage = rts525a_switch_output_voltage,
+ .force_power_down = rts5249_force_power_down,
+};
+
+void rts525a_init_params(struct rtsx_pcr *pcr)
+{
+ rts5249_init_params(pcr);
+
+ pcr->ops = &rts525a_pcr_ops;
+}
+
diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
index 17334ba..33aa30b 100644
--- a/drivers/mfd/rtsx_pcr.c
+++ b/drivers/mfd/rtsx_pcr.c
@@ -59,6 +59,7 @@ static const struct pci_device_id rtsx_pci_ids[] = {
{ PCI_DEVICE(0x10EC, 0x5287), PCI_CLASS_OTHERS << 16, 0xFF0000 },
{ PCI_DEVICE(0x10EC, 0x5286), PCI_CLASS_OTHERS << 16, 0xFF0000 },
{ PCI_DEVICE(0x10EC, 0x524A), PCI_CLASS_OTHERS << 16, 0xFF0000 },
+ { PCI_DEVICE(0x10EC, 0x525A), PCI_CLASS_OTHERS << 16, 0xFF0000 },
{ 0, }
};

@@ -1113,6 +1114,10 @@ static int rtsx_pci_init_chip(struct rtsx_pcr *pcr)
rts524a_init_params(pcr);
break;

+ case 0x525A:
+ rts525a_init_params(pcr);
+ break;
+
case 0x5287:
rtl8411b_init_params(pcr);
break;
@@ -1158,7 +1163,7 @@ static int rtsx_pci_probe(struct pci_dev *pcidev,
struct rtsx_pcr *pcr;
struct pcr_handle *handle;
u32 base, len;
- int ret, i;
+ int ret, i, bar = 0;

dev_dbg(&(pcidev->dev),
": Realtek PCI-E Card Reader found at %s [%04x:%04x] (rev %x)\n",
@@ -1203,8 +1208,10 @@ static int rtsx_pci_probe(struct pci_dev *pcidev,
pcr->pci = pcidev;
dev_set_drvdata(&pcidev->dev, handle);

- len = pci_resource_len(pcidev, 0);
- base = pci_resource_start(pcidev, 0);
+ if (PCI_PID(pcr) == 0x525A)
+ bar = 1;
+ len = pci_resource_len(pcidev, bar);
+ base = pci_resource_start(pcidev, bar);
pcr->remap_addr = ioremap_nocache(base, len);
if (!pcr->remap_addr) {
ret = -ENOMEM;
diff --git a/drivers/mfd/rtsx_pcr.h b/drivers/mfd/rtsx_pcr.h
index 0535265..4c00544 100644
--- a/drivers/mfd/rtsx_pcr.h
+++ b/drivers/mfd/rtsx_pcr.h
@@ -37,6 +37,7 @@ void rtl8402_init_params(struct rtsx_pcr *pcr);
void rts5227_init_params(struct rtsx_pcr *pcr);
void rts5249_init_params(struct rtsx_pcr *pcr);
void rts524a_init_params(struct rtsx_pcr *pcr);
+void rts525a_init_params(struct rtsx_pcr *pcr);
void rtl8411b_init_params(struct rtsx_pcr *pcr);

static inline u8 map_sd_drive(int idx)
--
1.9.1