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편집 파일: cpm.h

/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __CPM_H #define __CPM_H #include <linux/compiler.h> #include <linux/types.h> #include <linux/errno.h> #include <linux/of.h> #include <soc/fsl/qe/qe.h> /* * SPI Parameter RAM common to QE and CPM. */ struct spi_pram { __be16 rbase; /* Rx Buffer descriptor base address */ __be16 tbase; /* Tx Buffer descriptor base address */ u8 rfcr; /* Rx function code */ u8 tfcr; /* Tx function code */ __be16 mrblr; /* Max receive buffer length */ __be32 rstate; /* Internal */ __be32 rdp; /* Internal */ __be16 rbptr; /* Internal */ __be16 rbc; /* Internal */ __be32 rxtmp; /* Internal */ __be32 tstate; /* Internal */ __be32 tdp; /* Internal */ __be16 tbptr; /* Internal */ __be16 tbc; /* Internal */ __be32 txtmp; /* Internal */ __be32 res; /* Tx temp. */ __be16 rpbase; /* Relocation pointer (CPM1 only) */ __be16 res1; /* Reserved */ }; /* * USB Controller pram common to QE and CPM. */ struct usb_ctlr { u8 usb_usmod; u8 usb_usadr; u8 usb_uscom; u8 res1[1]; __be16 usb_usep[4]; u8 res2[4]; __be16 usb_usber; u8 res3[2]; __be16 usb_usbmr; u8 res4[1]; u8 usb_usbs; /* Fields down below are QE-only */ __be16 usb_ussft; u8 res5[2]; __be16 usb_usfrn; u8 res6[0x22]; } __attribute__ ((packed)); /* * Function code bits, usually generic to devices. */ #ifdef CONFIG_CPM1 #define CPMFCR_GBL ((u_char)0x00) /* Flag doesn't exist in CPM1 */ #define CPMFCR_TC2 ((u_char)0x00) /* Flag doesn't exist in CPM1 */ #define CPMFCR_DTB ((u_char)0x00) /* Flag doesn't exist in CPM1 */ #define CPMFCR_BDB ((u_char)0x00) /* Flag doesn't exist in CPM1 */ #else #define CPMFCR_GBL ((u_char)0x20) /* Set memory snooping */ #define CPMFCR_TC2 ((u_char)0x04) /* Transfer code 2 value */ #define CPMFCR_DTB ((u_char)0x02) /* Use local bus for data when set */ #define CPMFCR_BDB ((u_char)0x01) /* Use local bus for BD when set */ #endif #define CPMFCR_EB ((u_char)0x10) /* Set big endian byte order */ /* Opcodes common to CPM1 and CPM2 */ #define CPM_CR_INIT_TRX ((ushort)0x0000) #define CPM_CR_INIT_RX ((ushort)0x0001) #define CPM_CR_INIT_TX ((ushort)0x0002) #define CPM_CR_HUNT_MODE ((ushort)0x0003) #define CPM_CR_STOP_TX ((ushort)0x0004) #define CPM_CR_GRA_STOP_TX ((ushort)0x0005) #define CPM_CR_RESTART_TX ((ushort)0x0006) #define CPM_CR_CLOSE_RX_BD ((ushort)0x0007) #define CPM_CR_SET_GADDR ((ushort)0x0008) #define CPM_CR_SET_TIMER ((ushort)0x0008) #define CPM_CR_STOP_IDMA ((ushort)0x000b) /* Buffer descriptors used by many of the CPM protocols. */ typedef struct cpm_buf_desc { ushort cbd_sc; /* Status and Control */ ushort cbd_datlen; /* Data length in buffer */ uint cbd_bufaddr; /* Buffer address in host memory */ } cbd_t; /* Buffer descriptor control/status used by serial */ #define BD_SC_EMPTY (0x8000) /* Receive is empty */ #define BD_SC_READY (0x8000) /* Transmit is ready */ #define BD_SC_WRAP (0x2000) /* Last buffer descriptor */ #define BD_SC_INTRPT (0x1000) /* Interrupt on change */ #define BD_SC_LAST (0x0800) /* Last buffer in frame */ #define BD_SC_TC (0x0400) /* Transmit CRC */ #define BD_SC_CM (0x0200) /* Continuous mode */ #define BD_SC_ID (0x0100) /* Rec'd too many idles */ #define BD_SC_P (0x0100) /* xmt preamble */ #define BD_SC_BR (0x0020) /* Break received */ #define BD_SC_FR (0x0010) /* Framing error */ #define BD_SC_PR (0x0008) /* Parity error */ #define BD_SC_NAK (0x0004) /* NAK - did not respond */ #define BD_SC_OV (0x0002) /* Overrun */ #define BD_SC_UN (0x0002) /* Underrun */ #define BD_SC_CD (0x0001) /* */ #define BD_SC_CL (0x0001) /* Collision */ /* Buffer descriptor control/status used by Ethernet receive. * Common to SCC and FCC. */ #define BD_ENET_RX_EMPTY (0x8000) #define BD_ENET_RX_WRAP (0x2000) #define BD_ENET_RX_INTR (0x1000) #define BD_ENET_RX_LAST (0x0800) #define BD_ENET_RX_FIRST (0x0400) #define BD_ENET_RX_MISS (0x0100) #define BD_ENET_RX_BC (0x0080) /* FCC Only */ #define BD_ENET_RX_MC (0x0040) /* FCC Only */ #define BD_ENET_RX_LG (0x0020) #define BD_ENET_RX_NO (0x0010) #define BD_ENET_RX_SH (0x0008) #define BD_ENET_RX_CR (0x0004) #define BD_ENET_RX_OV (0x0002) #define BD_ENET_RX_CL (0x0001) #define BD_ENET_RX_STATS (0x01ff) /* All status bits */ /* Buffer descriptor control/status used by Ethernet transmit. * Common to SCC and FCC. */ #define BD_ENET_TX_READY (0x8000) #define BD_ENET_TX_PAD (0x4000) #define BD_ENET_TX_WRAP (0x2000) #define BD_ENET_TX_INTR (0x1000) #define BD_ENET_TX_LAST (0x0800) #define BD_ENET_TX_TC (0x0400) #define BD_ENET_TX_DEF (0x0200) #define BD_ENET_TX_HB (0x0100) #define BD_ENET_TX_LC (0x0080) #define BD_ENET_TX_RL (0x0040) #define BD_ENET_TX_RCMASK (0x003c) #define BD_ENET_TX_UN (0x0002) #define BD_ENET_TX_CSL (0x0001) #define BD_ENET_TX_STATS (0x03ff) /* All status bits */ /* Buffer descriptor control/status used by Transparent mode SCC. */ #define BD_SCC_TX_LAST (0x0800) /* Buffer descriptor control/status used by I2C. */ #define BD_I2C_START (0x0400) #ifdef CONFIG_CPM int cpm_command(u32 command, u8 opcode); #else static inline int cpm_command(u32 command, u8 opcode) { return -ENOSYS; } #endif /* CONFIG_CPM */ int cpm2_gpiochip_add32(struct device *dev); #endif