Merge remote-tracking branch 'mfd/for-mfd-next'

[karo-tx-linux.git] / drivers / mfd / rts5227.c

diff --git a/drivers/mfd/rts5227.c b/drivers/mfd/rts5227.c
index ce012d78ce2a0fe45ac78e52c6d17bb0a91f8632..ff296a4bf3d235a2bd860989b4464be58a79341d 100644 (file)
--- a/drivers/mfd/rts5227.c
+++ b/drivers/mfd/rts5227.c
@@ -26,6 +26,14 @@
 
 #include "rtsx_pcr.h"
 
+static u8 rts5227_get_ic_version(struct rtsx_pcr *pcr)
+{
+       u8 val;
+
+       rtsx_pci_read_register(pcr, DUMMY_REG_RESET_0, &val);
+       return val & 0x0F;
+}
+
 static void rts5227_fill_driving(struct rtsx_pcr *pcr, u8 voltage)
 {
        u8 driving_3v3[4][3] = {
@@ -88,7 +96,7 @@ static void rts5227_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)
-               rtsx_pci_write_register(pcr, PM_CTRL3, 0x10, 0x10);
+               rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, 0x10, 0x10);
 
        rtsx_pci_write_register(pcr, FPDCTL, 0x03, 0x03);
 }
@@ -121,7 +129,7 @@ static int rts5227_extra_init_hw(struct rtsx_pcr *pcr)
                rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB8, 0xB8);
        else
                rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB8, 0x88);
-       rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PM_CTRL3, 0x10, 0x00);
+       rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, pcr->reg_pm_ctrl3, 0x10, 0x00);
 
        return rtsx_pci_send_cmd(pcr, 100);
 }
@@ -179,11 +187,7 @@ static int rts5227_card_power_on(struct rtsx_pcr *pcr, int card)
                        SD_POWER_MASK, SD_POWER_ON);
        rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
                        LDO3318_PWR_MASK, 0x06);
-       err = rtsx_pci_send_cmd(pcr, 100);
-       if (err < 0)
-               return err;
-
-       return 0;
+       return rtsx_pci_send_cmd(pcr, 100);
 }
 
 static int rts5227_card_power_off(struct rtsx_pcr *pcr, int card)
@@ -298,8 +302,73 @@ void rts5227_init_params(struct rtsx_pcr *pcr)
        pcr->tx_initial_phase = SET_CLOCK_PHASE(27, 27, 15);
        pcr->rx_initial_phase = SET_CLOCK_PHASE(30, 7, 7);
 
+       pcr->ic_version = rts5227_get_ic_version(pcr);
        pcr->sd_pull_ctl_enable_tbl = rts5227_sd_pull_ctl_enable_tbl;
        pcr->sd_pull_ctl_disable_tbl = rts5227_sd_pull_ctl_disable_tbl;
        pcr->ms_pull_ctl_enable_tbl = rts5227_ms_pull_ctl_enable_tbl;
        pcr->ms_pull_ctl_disable_tbl = rts5227_ms_pull_ctl_disable_tbl;
+
+       pcr->reg_pm_ctrl3 = PM_CTRL3;
+}
+
+static int rts522a_optimize_phy(struct rtsx_pcr *pcr)
+{
+       int err;
+
+       err = rtsx_pci_write_register(pcr, RTS522A_PM_CTRL3, D3_DELINK_MODE_EN,
+               0x00);
+       if (err < 0)
+               return err;
+
+       if (is_version(pcr, 0x522A, IC_VER_A)) {
+               err = rtsx_pci_write_phy_register(pcr, PHY_RCR2,
+                       PHY_RCR2_INIT_27S);
+               if (err)
+                       return err;
+
+               rtsx_pci_write_phy_register(pcr, PHY_RCR1, PHY_RCR1_INIT_27S);
+               rtsx_pci_write_phy_register(pcr, PHY_FLD0, PHY_FLD0_INIT_27S);
+               rtsx_pci_write_phy_register(pcr, PHY_FLD3, PHY_FLD3_INIT_27S);
+               rtsx_pci_write_phy_register(pcr, PHY_FLD4, PHY_FLD4_INIT_27S);
+       }
+
+       return 0;
+}
+
+static int rts522a_extra_init_hw(struct rtsx_pcr *pcr)
+{
+       rts5227_extra_init_hw(pcr);
+
+       rtsx_pci_write_register(pcr, FUNC_FORCE_CTL, FUNC_FORCE_UPME_XMT_DBG,
+               FUNC_FORCE_UPME_XMT_DBG);
+       rtsx_pci_write_register(pcr, PCLK_CTL, 0x04, 0x04);
+       rtsx_pci_write_register(pcr, PM_EVENT_DEBUG, PME_DEBUG_0, PME_DEBUG_0);
+       rtsx_pci_write_register(pcr, PM_CLK_FORCE_CTL, 0xFF, 0x11);
+
+       return 0;
+}
+
+/* rts522a operations mainly derived from rts5227, except phy/hw init setting.
+ */
+static const struct pcr_ops rts522a_pcr_ops = {
+       .fetch_vendor_settings = rts5227_fetch_vendor_settings,
+       .extra_init_hw = rts522a_extra_init_hw,
+       .optimize_phy = rts522a_optimize_phy,
+       .turn_on_led = rts5227_turn_on_led,
+       .turn_off_led = rts5227_turn_off_led,
+       .enable_auto_blink = rts5227_enable_auto_blink,
+       .disable_auto_blink = rts5227_disable_auto_blink,
+       .card_power_on = rts5227_card_power_on,
+       .card_power_off = rts5227_card_power_off,
+       .switch_output_voltage = rts5227_switch_output_voltage,
+       .cd_deglitch = NULL,
+       .conv_clk_and_div_n = NULL,
+       .force_power_down = rts5227_force_power_down,
+};
+
+void rts522a_init_params(struct rtsx_pcr *pcr)
+{
+       rts5227_init_params(pcr);
+
+       pcr->reg_pm_ctrl3 = RTS522A_PM_CTRL3;
 }