diff options
Diffstat (limited to 'kernel/drivers/scsi/ufs/ufs-qcom.h')
| -rw-r--r-- | kernel/drivers/scsi/ufs/ufs-qcom.h | 68 |
1 files changed, 65 insertions, 3 deletions
diff --git a/kernel/drivers/scsi/ufs/ufs-qcom.h b/kernel/drivers/scsi/ufs/ufs-qcom.h index db2c0a00e..36249b35f 100644 --- a/kernel/drivers/scsi/ufs/ufs-qcom.h +++ b/kernel/drivers/scsi/ufs/ufs-qcom.h @@ -35,8 +35,8 @@ #define UFS_QCOM_LIMIT_NUM_LANES_RX 2 #define UFS_QCOM_LIMIT_NUM_LANES_TX 2 -#define UFS_QCOM_LIMIT_HSGEAR_RX UFS_HS_G2 -#define UFS_QCOM_LIMIT_HSGEAR_TX UFS_HS_G2 +#define UFS_QCOM_LIMIT_HSGEAR_RX UFS_HS_G3 +#define UFS_QCOM_LIMIT_HSGEAR_TX UFS_HS_G3 #define UFS_QCOM_LIMIT_PWMGEAR_RX UFS_PWM_G4 #define UFS_QCOM_LIMIT_PWMGEAR_TX UFS_PWM_G4 #define UFS_QCOM_LIMIT_RX_PWR_PWM SLOW_MODE @@ -58,6 +58,21 @@ enum { REG_UFS_CFG2 = 0xE0, REG_UFS_HW_VERSION = 0xE4, + UFS_TEST_BUS = 0xE8, + UFS_TEST_BUS_CTRL_0 = 0xEC, + UFS_TEST_BUS_CTRL_1 = 0xF0, + UFS_TEST_BUS_CTRL_2 = 0xF4, + UFS_UNIPRO_CFG = 0xF8, + + /* + * QCOM UFS host controller vendor specific registers + * added in HW Version 3.0.0 + */ + UFS_AH8_CFG = 0xFC, +}; + +/* QCOM UFS host controller vendor specific debug registers */ +enum { UFS_DBG_RD_REG_UAWM = 0x100, UFS_DBG_RD_REG_UARM = 0x200, UFS_DBG_RD_REG_TXUC = 0x300, @@ -73,6 +88,14 @@ enum { UFS_UFS_DBG_RD_EDTL_RAM = 0x1900, }; +#define UFS_CNTLR_2_x_x_VEN_REGS_OFFSET(x) (0x000 + x) +#define UFS_CNTLR_3_x_x_VEN_REGS_OFFSET(x) (0x400 + x) + +/* bit definitions for REG_UFS_CFG1 register */ +#define QUNIPRO_SEL UFS_BIT(0) +#define TEST_BUS_EN BIT(18) +#define TEST_BUS_SEL GENMASK(22, 19) + /* bit definitions for REG_UFS_CFG2 register */ #define UAWM_HW_CGC_EN (1 << 0) #define UARM_HW_CGC_EN (1 << 1) @@ -83,6 +106,9 @@ enum { #define TMRLUT_HW_CGC_EN (1 << 6) #define OCSC_HW_CGC_EN (1 << 7) +/* bit definition for UFS_UFS_TEST_BUS_CTRL_n */ +#define TEST_BUS_SUB_SEL_MASK 0x1F /* All XXX_SEL fields are 5 bits wide */ + #define REG_UFS_CFG2_CGC_EN_ALL (UAWM_HW_CGC_EN | UARM_HW_CGC_EN |\ TXUC_HW_CGC_EN | RXUC_HW_CGC_EN |\ DFC_HW_CGC_EN | TRLUT_HW_CGC_EN |\ @@ -106,6 +132,21 @@ enum ufs_qcom_phy_init_type { UFS_PHY_INIT_CFG_RESTORE, }; +/* QCOM UFS debug print bit mask */ +#define UFS_QCOM_DBG_PRINT_REGS_EN BIT(0) +#define UFS_QCOM_DBG_PRINT_ICE_REGS_EN BIT(1) +#define UFS_QCOM_DBG_PRINT_TEST_BUS_EN BIT(2) + +#define UFS_QCOM_DBG_PRINT_ALL \ + (UFS_QCOM_DBG_PRINT_REGS_EN | UFS_QCOM_DBG_PRINT_ICE_REGS_EN | \ + UFS_QCOM_DBG_PRINT_TEST_BUS_EN) + +/* QUniPro Vendor specific attributes */ +#define DME_VS_CORE_CLK_CTRL 0xD002 +/* bit and mask definitions for DME_VS_CORE_CLK_CTRL attribute */ +#define DME_VS_CORE_CLK_CTRL_CORE_CLK_DIV_EN_BIT BIT(8) +#define DME_VS_CORE_CLK_CTRL_MAX_CORE_CLK_1US_CYCLES_MASK 0xFF + static inline void ufs_qcom_get_controller_revision(struct ufs_hba *hba, u8 *major, u16 *minor, u16 *step) @@ -157,8 +198,13 @@ struct ufs_hw_version { u16 minor; u8 major; }; -struct ufs_qcom_host { +struct ufs_qcom_testbus { + u8 select_major; + u8 select_minor; +}; + +struct ufs_qcom_host { /* * Set this capability if host controller supports the QUniPro mode * and if driver wants the Host controller to operate in QUniPro mode. @@ -166,6 +212,12 @@ struct ufs_qcom_host { * controller supports the QUniPro mode. */ #define UFS_QCOM_CAP_QUNIPRO UFS_BIT(0) + + /* + * Set this capability if host controller can retain the secure + * configuration even after UFS controller core power collapse. + */ + #define UFS_QCOM_CAP_RETAIN_SEC_CFG_AFTER_PWR_COLLAPSE UFS_BIT(1) u32 caps; struct phy *generic_phy; @@ -178,13 +230,23 @@ struct ufs_qcom_host { struct clk *tx_l1_sync_clk; bool is_lane_clks_enabled; + void __iomem *dev_ref_clk_ctrl_mmio; + bool is_dev_ref_clk_enabled; struct ufs_hw_version hw_ver; + + u32 dev_ref_clk_en_mask; + + /* Bitmask for enabling debug prints */ + u32 dbg_print_en; + struct ufs_qcom_testbus testbus; }; #define ufs_qcom_is_link_off(hba) ufshcd_is_link_off(hba) #define ufs_qcom_is_link_active(hba) ufshcd_is_link_active(hba) #define ufs_qcom_is_link_hibern8(hba) ufshcd_is_link_hibern8(hba) +int ufs_qcom_testbus_config(struct ufs_qcom_host *host); + static inline bool ufs_qcom_cap_qunipro(struct ufs_qcom_host *host) { if (host->caps & UFS_QCOM_CAP_QUNIPRO) |