diff options
| author | Jiri Kosina <[email protected]> | 2020-04-01 12:26:12 +0200 | 
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| committer | Jiri Kosina <[email protected]> | 2020-04-01 12:26:12 +0200 | 
| commit | c9f289701540baeef9ac7c9977d67a7259f404db (patch) | |
| tree | ac3c29d41da02ac735c9a12da78905842fbccd2f /include/soc/fsl/cpm.h | |
| parent | 0aac6f9aaae5fba08963651d2ce49930145e118f (diff) | |
| parent | 910a7e89cec65efad254c947ce2bf8bf5b370962 (diff) | |
Merge branch 'for-5.7/appleir' into for-linus
- small code cleanups in hid-appleir from Lucas Tanure
Diffstat (limited to 'include/soc/fsl/cpm.h')
| -rw-r--r-- | include/soc/fsl/cpm.h | 171 | 
1 files changed, 171 insertions, 0 deletions
| diff --git a/include/soc/fsl/cpm.h b/include/soc/fsl/cpm.h new file mode 100644 index 000000000000..4c24ea8209bb --- /dev/null +++ b/include/soc/fsl/cpm.h @@ -0,0 +1,171 @@ +/* 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 |