| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Z8536 CIO Internal registers |
| */ |
| |
| #ifndef _Z8536_H |
| #define _Z8536_H |
| |
| /* Master Interrupt Control register */ |
| #define Z8536_INT_CTRL_REG 0x00 |
| #define Z8536_INT_CTRL_MIE BIT(7) /* Master Interrupt Enable */ |
| #define Z8536_INT_CTRL_DLC BIT(6) /* Disable Lower Chain */ |
| #define Z8536_INT_CTRL_NV BIT(5) /* No Vector */ |
| #define Z8536_INT_CTRL_PA_VIS BIT(4) /* Port A Vect Inc Status */ |
| #define Z8536_INT_CTRL_PB_VIS BIT(3) /* Port B Vect Inc Status */ |
| #define Z8536_INT_CTRL_VT_VIS BIT(2) /* C/T Vect Inc Status */ |
| #define Z8536_INT_CTRL_RJA BIT(1) /* Right Justified Addresses */ |
| #define Z8536_INT_CTRL_RESET BIT(0) /* Reset */ |
| |
| /* Master Configuration Control register */ |
| #define Z8536_CFG_CTRL_REG 0x01 |
| #define Z8536_CFG_CTRL_PBE BIT(7) /* Port B Enable */ |
| #define Z8536_CFG_CTRL_CT1E BIT(6) /* C/T 1 Enable */ |
| #define Z8536_CFG_CTRL_CT2E BIT(5) /* C/T 2 Enable */ |
| #define Z8536_CFG_CTRL_PCE_CT3E BIT(4) /* Port C & C/T 3 Enable */ |
| #define Z8536_CFG_CTRL_PLC BIT(3) /* Port A/B Link Control */ |
| #define Z8536_CFG_CTRL_PAE BIT(2) /* Port A Enable */ |
| #define Z8536_CFG_CTRL_LC(x) (((x) & 0x3) << 0) /* Link Control */ |
| #define Z8536_CFG_CTRL_LC_INDEP Z8536_CFG_CTRL_LC(0)/* Independent */ |
| #define Z8536_CFG_CTRL_LC_GATE Z8536_CFG_CTRL_LC(1)/* 1 Gates 2 */ |
| #define Z8536_CFG_CTRL_LC_TRIG Z8536_CFG_CTRL_LC(2)/* 1 Triggers 2 */ |
| #define Z8536_CFG_CTRL_LC_CLK Z8536_CFG_CTRL_LC(3)/* 1 Clocks 2 */ |
| #define Z8536_CFG_CTRL_LC_MASK Z8536_CFG_CTRL_LC(3) |
| |
| /* Interrupt Vector registers */ |
| #define Z8536_PA_INT_VECT_REG 0x02 |
| #define Z8536_PB_INT_VECT_REG 0x03 |
| #define Z8536_CT_INT_VECT_REG 0x04 |
| #define Z8536_CURR_INT_VECT_REG 0x1f |
| |
| /* Port A/B & Counter/Timer 1/2/3 Command and Status registers */ |
| #define Z8536_PA_CMDSTAT_REG 0x08 |
| #define Z8536_PB_CMDSTAT_REG 0x09 |
| #define Z8536_CT1_CMDSTAT_REG 0x0a |
| #define Z8536_CT2_CMDSTAT_REG 0x0b |
| #define Z8536_CT3_CMDSTAT_REG 0x0c |
| #define Z8536_CT_CMDSTAT_REG(x) (0x0a + (x)) |
| #define Z8536_CMD(x) (((x) & 0x7) << 5) |
| #define Z8536_CMD_NULL Z8536_CMD(0) /* Null Code */ |
| #define Z8536_CMD_CLR_IP_IUS Z8536_CMD(1) /* Clear IP & IUS */ |
| #define Z8536_CMD_SET_IUS Z8536_CMD(2) /* Set IUS */ |
| #define Z8536_CMD_CLR_IUS Z8536_CMD(3) /* Clear IUS */ |
| #define Z8536_CMD_SET_IP Z8536_CMD(4) /* Set IP */ |
| #define Z8536_CMD_CLR_IP Z8536_CMD(5) /* Clear IP */ |
| #define Z8536_CMD_SET_IE Z8536_CMD(6) /* Set IE */ |
| #define Z8536_CMD_CLR_IE Z8536_CMD(7) /* Clear IE */ |
| #define Z8536_CMD_MASK Z8536_CMD(7) |
| |
| #define Z8536_STAT_IUS BIT(7) /* Interrupt Under Service */ |
| #define Z8536_STAT_IE BIT(6) /* Interrupt Enable */ |
| #define Z8536_STAT_IP BIT(5) /* Interrupt Pending */ |
| #define Z8536_STAT_ERR BIT(4) /* Interrupt Error */ |
| #define Z8536_STAT_IE_IP (Z8536_STAT_IE | Z8536_STAT_IP) |
| |
| #define Z8536_PAB_STAT_ORE BIT(3) /* Output Register Empty */ |
| #define Z8536_PAB_STAT_IRF BIT(2) /* Input Register Full */ |
| #define Z8536_PAB_STAT_PMF BIT(1) /* Pattern Match Flag */ |
| #define Z8536_PAB_CMDSTAT_IOE BIT(0) /* Interrupt On Error */ |
| |
| #define Z8536_CT_CMD_RCC BIT(3) /* Read Counter Control */ |
| #define Z8536_CT_CMDSTAT_GCB BIT(2) /* Gate Command Bit */ |
| #define Z8536_CT_CMD_TCB BIT(1) /* Trigger Command Bit */ |
| #define Z8536_CT_STAT_CIP BIT(0) /* Count In Progress */ |
| |
| /* Port Data registers */ |
| #define Z8536_PA_DATA_REG 0x0d |
| #define Z8536_PB_DATA_REG 0x0e |
| #define Z8536_PC_DATA_REG 0x0f |
| |
| /* Counter/Timer 1/2/3 Current Count registers */ |
| #define Z8536_CT1_VAL_MSB_REG 0x10 |
| #define Z8536_CT1_VAL_LSB_REG 0x11 |
| #define Z8536_CT2_VAL_MSB_REG 0x12 |
| #define Z8536_CT2_VAL_LSB_REG 0x13 |
| #define Z8536_CT3_VAL_MSB_REG 0x14 |
| #define Z8536_CT3_VAL_LSB_REG 0x15 |
| #define Z8536_CT_VAL_MSB_REG(x) (0x10 + ((x) * 2)) |
| #define Z8536_CT_VAL_LSB_REG(x) (0x11 + ((x) * 2)) |
| |
| /* Counter/Timer 1/2/3 Time Constant registers */ |
| #define Z8536_CT1_RELOAD_MSB_REG 0x16 |
| #define Z8536_CT1_RELOAD_LSB_REG 0x17 |
| #define Z8536_CT2_RELOAD_MSB_REG 0x18 |
| #define Z8536_CT2_RELOAD_LSB_REG 0x19 |
| #define Z8536_CT3_RELOAD_MSB_REG 0x1a |
| #define Z8536_CT3_RELOAD_LSB_REG 0x1b |
| #define Z8536_CT_RELOAD_MSB_REG(x) (0x16 + ((x) * 2)) |
| #define Z8536_CT_RELOAD_LSB_REG(x) (0x17 + ((x) * 2)) |
| |
| /* Counter/Timer 1/2/3 Mode Specification registers */ |
| #define Z8536_CT1_MODE_REG 0x1c |
| #define Z8536_CT2_MODE_REG 0x1d |
| #define Z8536_CT3_MODE_REG 0x1e |
| #define Z8536_CT_MODE_REG(x) (0x1c + (x)) |
| #define Z8536_CT_MODE_CSC BIT(7) /* Continuous/Single Cycle */ |
| #define Z8536_CT_MODE_EOE BIT(6) /* External Output Enable */ |
| #define Z8536_CT_MODE_ECE BIT(5) /* External Count Enable */ |
| #define Z8536_CT_MODE_ETE BIT(4) /* External Trigger Enable */ |
| #define Z8536_CT_MODE_EGE BIT(3) /* External Gate Enable */ |
| #define Z8536_CT_MODE_REB BIT(2) /* Retrigger Enable Bit */ |
| #define Z8536_CT_MODE_DCS(x) (((x) & 0x3) << 0) /* Duty Cycle */ |
| #define Z8536_CT_MODE_DCS_PULSE Z8536_CT_MODE_DCS(0) /* Pulse */ |
| #define Z8536_CT_MODE_DCS_ONESHOT Z8536_CT_MODE_DCS(1) /* One-Shot */ |
| #define Z8536_CT_MODE_DCS_SQRWAVE Z8536_CT_MODE_DCS(2) /* Square Wave */ |
| #define Z8536_CT_MODE_DCS_DO_NOT_USE Z8536_CT_MODE_DCS(3) /* Do Not Use */ |
| #define Z8536_CT_MODE_DCS_MASK Z8536_CT_MODE_DCS(3) |
| |
| /* Port A/B Mode Specification registers */ |
| #define Z8536_PA_MODE_REG 0x20 |
| #define Z8536_PB_MODE_REG 0x28 |
| #define Z8536_PAB_MODE_PTS(x) (((x) & 0x3) << 6) /* Port type */ |
| #define Z8536_PAB_MODE_PTS_BIT Z8536_PAB_MODE_PTS(0 << 6)/* Bit */ |
| #define Z8536_PAB_MODE_PTS_INPUT Z8536_PAB_MODE_PTS(1 << 6)/* Input */ |
| #define Z8536_PAB_MODE_PTS_OUTPUT Z8536_PAB_MODE_PTS(2 << 6)/* Output */ |
| #define Z8536_PAB_MODE_PTS_BIDIR Z8536_PAB_MODE_PTS(3 << 6)/* Bidir */ |
| #define Z8536_PAB_MODE_PTS_MASK Z8536_PAB_MODE_PTS(3 << 6) |
| #define Z8536_PAB_MODE_ITB BIT(5) /* Interrupt on Two Bytes */ |
| #define Z8536_PAB_MODE_SB BIT(4) /* Single Buffered mode */ |
| #define Z8536_PAB_MODE_IMO BIT(3) /* Interrupt on Match Only */ |
| #define Z8536_PAB_MODE_PMS(x) (((x) & 0x3) << 1) /* Pattern Mode */ |
| #define Z8536_PAB_MODE_PMS_DISABLE Z8536_PAB_MODE_PMS(0)/* Disabled */ |
| #define Z8536_PAB_MODE_PMS_AND Z8536_PAB_MODE_PMS(1)/* "AND" */ |
| #define Z8536_PAB_MODE_PMS_OR Z8536_PAB_MODE_PMS(2)/* "OR" */ |
| #define Z8536_PAB_MODE_PMS_OR_PEV Z8536_PAB_MODE_PMS(3)/* "OR-Priority" */ |
| #define Z8536_PAB_MODE_PMS_MASK Z8536_PAB_MODE_PMS(3) |
| #define Z8536_PAB_MODE_LPM BIT(0) /* Latch on Pattern Match */ |
| #define Z8536_PAB_MODE_DTE BIT(0) /* Deskew Timer Enabled */ |
| |
| /* Port A/B Handshake Specification registers */ |
| #define Z8536_PA_HANDSHAKE_REG 0x21 |
| #define Z8536_PB_HANDSHAKE_REG 0x29 |
| #define Z8536_PAB_HANDSHAKE_HST(x) (((x) & 0x3) << 6) /* Handshake Type */ |
| #define Z8536_PAB_HANDSHAKE_HST_INTER Z8536_PAB_HANDSHAKE_HST(0)/*Interlock*/ |
| #define Z8536_PAB_HANDSHAKE_HST_STROBED Z8536_PAB_HANDSHAKE_HST(1)/* Strobed */ |
| #define Z8536_PAB_HANDSHAKE_HST_PULSED Z8536_PAB_HANDSHAKE_HST(2)/* Pulsed */ |
| #define Z8536_PAB_HANDSHAKE_HST_3WIRE Z8536_PAB_HANDSHAKE_HST(3)/* 3-Wire */ |
| #define Z8536_PAB_HANDSHAKE_HST_MASK Z8536_PAB_HANDSHAKE_HST(3) |
| #define Z8536_PAB_HANDSHAKE_RWS(x) (((x) & 0x7) << 3) /* Req/Wait */ |
| #define Z8536_PAB_HANDSHAKE_RWS_DISABLE Z8536_PAB_HANDSHAKE_RWS(0)/* Disabled */ |
| #define Z8536_PAB_HANDSHAKE_RWS_OUTWAIT Z8536_PAB_HANDSHAKE_RWS(1)/* Out Wait */ |
| #define Z8536_PAB_HANDSHAKE_RWS_INWAIT Z8536_PAB_HANDSHAKE_RWS(3)/* In Wait */ |
| #define Z8536_PAB_HANDSHAKE_RWS_SPREQ Z8536_PAB_HANDSHAKE_RWS(4)/* Special */ |
| #define Z8536_PAB_HANDSHAKE_RWS_OUTREQ Z8536_PAB_HANDSHAKE_RWS(5)/* Out Req */ |
| #define Z8536_PAB_HANDSHAKE_RWS_INREQ Z8536_PAB_HANDSHAKE_RWS(7)/* In Req */ |
| #define Z8536_PAB_HANDSHAKE_RWS_MASK Z8536_PAB_HANDSHAKE_RWS(7) |
| #define Z8536_PAB_HANDSHAKE_DESKEW(x) ((x) << 0)/* Deskew Time */ |
| #define Z8536_PAB_HANDSHAKE_DESKEW_MASK (3 << 0)/* Deskew Time mask */ |
| |
| /* |
| * Port A/B/C Data Path Polarity registers |
| * |
| * 0 = Non-Inverting |
| * 1 = Inverting |
| */ |
| #define Z8536_PA_DPP_REG 0x22 |
| #define Z8536_PB_DPP_REG 0x2a |
| #define Z8536_PC_DPP_REG 0x05 |
| |
| /* |
| * Port A/B/C Data Direction registers |
| * |
| * 0 = Output bit |
| * 1 = Input bit |
| */ |
| #define Z8536_PA_DD_REG 0x23 |
| #define Z8536_PB_DD_REG 0x2b |
| #define Z8536_PC_DD_REG 0x06 |
| |
| /* |
| * Port A/B/C Special I/O Control registers |
| * |
| * 0 = Normal Input or Output |
| * 1 = Output with open drain or Input with 1's catcher |
| */ |
| #define Z8536_PA_SIO_REG 0x24 |
| #define Z8536_PB_SIO_REG 0x2c |
| #define Z8536_PC_SIO_REG 0x07 |
| |
| /* |
| * Port A/B Pattern Polarity/Transition/Mask registers |
| * |
| * PM PT PP Pattern Specification |
| * -- -- -- ------------------------------------- |
| * 0 0 x Bit masked off |
| * 0 1 x Any transition |
| * 1 0 0 Zero (low-level) |
| * 1 0 1 One (high-level) |
| * 1 1 0 One-to-zero transition (falling-edge) |
| * 1 1 1 Zero-to-one transition (rising-edge) |
| */ |
| #define Z8536_PA_PP_REG 0x25 |
| #define Z8536_PB_PP_REG 0x2d |
| |
| #define Z8536_PA_PT_REG 0x26 |
| #define Z8536_PB_PT_REG 0x2e |
| |
| #define Z8536_PA_PM_REG 0x27 |
| #define Z8536_PB_PM_REG 0x2f |
| |
| #endif /* _Z8536_H */ |
