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/* 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_node *np);

#endif

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Name Type Size Permission Actions
book3s Folder 0755
nohash Folder 0755
8xx_immap.h File 13.77 KB 0644
Kbuild File 248 B 0644
accounting.h File 1 KB 0644
agp.h File 525 B 0644
archrandom.h File 1016 B 0644
asm-compat.h File 2.53 KB 0644
asm-offsets.h File 35 B 0644
asm-prototypes.h File 4.78 KB 0644
async_tx.h File 1.64 KB 0644
atomic.h File 13.57 KB 0644
backlight.h File 1.09 KB 0644
barrier.h File 3.57 KB 0644
bitops.h File 7.8 KB 0644
bootx.h File 1.12 KB 0644
btext.h File 926 B 0644
bug.h File 3.55 KB 0644
bugs.h File 486 B 0644
cache.h File 2.47 KB 0644
cacheflush.h File 3.76 KB 0644
cell-pmu.h File 4.04 KB 0644
cell-regs.h File 9.57 KB 0644
checksum.h File 5.85 KB 0644
cmpxchg.h File 12.16 KB 0644
code-patching-asm.h File 397 B 0644
code-patching.h File 5.01 KB 0644
compat.h File 6.26 KB 0644
context_tracking.h File 245 B 0644
copro.h File 769 B 0644
cpm.h File 5.09 KB 0644
cpm1.h File 21.08 KB 0644
cpm2.h File 48.43 KB 0644
cpu_has_feature.h File 1.31 KB 0644
cpufeature.h File 1.18 KB 0644
cpuidle.h File 3.31 KB 0644
cputable.h File 22.56 KB 0644
cputhreads.h File 2.92 KB 0644
cputime.h File 1.59 KB 0644
current.h File 835 B 0644
dbdma.h File 3.72 KB 0644
dbell.h File 2.78 KB 0644
dcr-generic.h File 1.58 KB 0644
dcr-mmio.h File 1.68 KB 0644
dcr-native.h File 4.42 KB 0644
dcr-regs.h File 5.71 KB 0644
dcr.h File 2.73 KB 0644
debug.h File 1.97 KB 0644
debugfs.h File 489 B 0644
delay.h File 3.42 KB 0644
device.h File 1.1 KB 0644
disassemble.h File 2.73 KB 0644
dma-mapping.h File 4.12 KB 0644
dma.h File 10.51 KB 0644
dt_cpu_ftrs.h File 816 B 0644
edac.h File 1.08 KB 0644
eeh.h File 14.44 KB 0644
eeh_event.h File 1.36 KB 0644
ehv_pic.h File 963 B 0644
elf.h File 6.29 KB 0644
emergency-restart.h File 43 B 0644
emulated_ops.h File 2.58 KB 0644
epapr_hcalls.h File 16.44 KB 0644
exception-64e.h File 7.21 KB 0644
exception-64s.h File 22.72 KB 0644
exec.h File 246 B 0644
extable.h File 904 B 0644
fadump.h File 6.1 KB 0644
fb.h File 483 B 0644
feature-fixups.h File 8.76 KB 0644
firmware.h File 4.71 KB 0644
fixmap.h File 2.33 KB 0644
floppy.h File 4.86 KB 0644
fs_pd.h File 1.02 KB 0644
fsl_85xx_cache_sram.h File 1.43 KB 0644
fsl_gtm.h File 1.38 KB 0644
fsl_hcalls.h File 17.2 KB 0644
fsl_lbc.h File 10.9 KB 0644
fsl_pamu_stash.h File 1.1 KB 0644
fsl_pm.h File 1.36 KB 0644
ftrace.h File 2.1 KB 0644
futex.h File 2.4 KB 0644
grackle.h File 331 B 0644
hardirq.h File 1.15 KB 0644
head-64.h File 13.86 KB 0644
heathrow.h File 2.53 KB 0644
highmem.h File 2.41 KB 0644
hmi.h File 1.49 KB 0644
hugetlb.h File 4.73 KB 0644
hvcall.h File 15.35 KB 0644
hvconsole.h File 1.37 KB 0644
hvcserver.h File 2.09 KB 0644
hvsi.h File 2.78 KB 0644
hw_breakpoint.h File 3.07 KB 0644
hw_irq.h File 5.24 KB 0644
hydra.h File 2.91 KB 0644
i8259.h File 361 B 0644
ibmebus.h File 2.15 KB 0644
icswx.h File 4.71 KB 0644
ide.h File 586 B 0644
ima.h File 772 B 0644
imc-pmu.h File 2.87 KB 0644
immap_cpm2.h File 10.5 KB 0644
io-defs.h File 3.09 KB 0644
io-workarounds.h File 1.54 KB 0644
io.h File 28.02 KB 0644
io_event_irq.h File 1.91 KB 0644
iommu.h File 10.16 KB 0644
ipic.h File 3.51 KB 0644
irq.h File 1.83 KB 0644
irq_work.h File 252 B 0644
irqflags.h File 1.7 KB 0644
isa-bridge.h File 654 B 0644
jump_label.h File 1.62 KB 0644
kdebug.h File 291 B 0644
kdump.h File 1.37 KB 0644
kexec.h File 4.02 KB 0644
keylargo.h File 10.8 KB 0644
kgdb.h File 2.06 KB 0644
kmap_types.h File 434 B 0644
kprobes.h File 3.75 KB 0644
kup.h File 1021 B 0644
kvm_asm.h File 5.46 KB 0644
kvm_book3s.h File 12.06 KB 0644
kvm_book3s_32.h File 1.39 KB 0644
kvm_book3s_64.h File 12.62 KB 0644
kvm_book3s_asm.h File 4.4 KB 0644
kvm_booke.h File 2.68 KB 0644
kvm_booke_hv_asm.h File 2.03 KB 0644
kvm_fpu.h File 2.74 KB 0644
kvm_host.h File 19.92 KB 0644
kvm_para.h File 1.49 KB 0644
kvm_ppc.h File 34.83 KB 0644
libata-portmap.h File 249 B 0644
linkage.h File 501 B 0644
livepatch.h File 1.65 KB 0644
local.h File 3.79 KB 0644
lppaca.h File 5.02 KB 0644
lv1call.h File 18.74 KB 0644
machdep.h File 9.7 KB 0644
macio.h File 3.89 KB 0644
mc146818rtc.h File 943 B 0644
mce.h File 5.58 KB 0644
mediabay.h File 1.34 KB 0644
mm-arch-hooks.h File 839 B 0644
mman.h File 1.33 KB 0644
mmu-40x.h File 1.94 KB 0644
mmu-44x.h File 5.56 KB 0644
mmu-8xx.h File 8.6 KB 0644
mmu-book3e.h File 9.47 KB 0644
mmu.h File 9.2 KB 0644
mmu_context.h File 6.26 KB 0644
mmzone.h File 1.08 KB 0644
module.h File 2.47 KB 0644
mpc5121.h File 3.82 KB 0644
mpc52xx.h File 10.85 KB 0644
mpc52xx_psc.h File 9.89 KB 0644
mpc5xxx.h File 641 B 0644
mpc6xx.h File 143 B 0644
mpc8260.h File 742 B 0644
mpc85xx.h File 2.52 KB 0644
mpic.h File 13.97 KB 0644
mpic_msgr.h File 3.52 KB 0644
mpic_timer.h File 1.39 KB 0644
msi_bitmap.h File 1.01 KB 0644
nmi.h File 238 B 0644
nvram.h File 3.21 KB 0644
ohare.h File 1.64 KB 0644
opal-api.h File 29.34 KB 0644
opal.h File 16.53 KB 0644
oprofile_impl.h File 3 KB 0644
paca.h File 8.06 KB 0644
page.h File 10.65 KB 0644
page_32.h File 1.57 KB 0644
page_64.h File 2.93 KB 0644
parport.h File 956 B 0644
pasemi_dma.h File 23.32 KB 0644
pci-bridge.h File 9.21 KB 0644
pci.h File 4.58 KB 0644
percpu.h File 468 B 0644
perf_event.h File 1.23 KB 0644
perf_event_fsl_emb.h File 1.42 KB 0644
perf_event_server.h File 6.3 KB 0644
pgalloc.h File 620 B 0644
pgtable-be-types.h File 2.76 KB 0644
pgtable-types.h File 1.94 KB 0644
pgtable.h File 2.45 KB 0644
plpar_wrappers.h File 8.35 KB 0644
pmac_feature.h File 13.08 KB 0644
pmac_low_i2c.h File 3.24 KB 0644
pmac_pfunc.h File 8.01 KB 0644
pmc.h File 1.35 KB 0644
pmi.h File 1.77 KB 0644
pnv-ocxl.h File 1.4 KB 0644
pnv-pci.h File 3.22 KB 0644
powernv.h File 1.57 KB 0644
ppc-opcode.h File 19.05 KB 0644
ppc-pci.h File 2.69 KB 0644
ppc4xx.h File 530 B 0644
ppc4xx_ocm.h File 1.41 KB 0644
ppc_asm.h File 21.63 KB 0644
probes.h File 2.11 KB 0644
processor.h File 15 KB 0644
prom.h File 7.17 KB 0644
ps3.h File 15.44 KB 0644
ps3av.h File 23.49 KB 0644
ps3gpu.h File 2.44 KB 0644
ps3stor.h File 1.99 KB 0644
pte-common.h File 6.27 KB 0644
pte-walk.h File 1.11 KB 0644
ptrace.h File 7.14 KB 0644
reg.h File 61.61 KB 0644
reg_8xx.h File 4.96 KB 0644
reg_a2.h File 6.16 KB 0644
reg_booke.h File 36.17 KB 0644
reg_fsl_emb.h File 3.65 KB 0644
rheap.h File 2.43 KB 0644
rio.h File 637 B 0644
rtas.h File 14.67 KB 0644
runlatch.h File 1.16 KB 0644
scom.h File 4.92 KB 0644
seccomp.h File 249 B 0644
sections.h File 1.9 KB 0644
security_features.h File 3.03 KB 0644
serial.h File 677 B 0644
setjmp.h File 630 B 0644
setup.h File 2.44 KB 0644
sfp-machine.h File 12.38 KB 0644
shmparam.h File 206 B 0644
signal.h File 225 B 0644
slice.h File 1.12 KB 0644
smp.h File 6.13 KB 0644
smu.h File 19.33 KB 0644
sparsemem.h File 1.1 KB 0644
spinlock.h File 7.04 KB 0644
spinlock_types.h File 424 B 0644
spu.h File 25.28 KB 0644
spu_csa.h File 6.64 KB 0644
spu_info.h File 908 B 0644
spu_priv1.h File 5.68 KB 0644
sstep.h File 4.58 KB 0644
string.h File 1.74 KB 0644
swab.h File 377 B 0644
swiotlb.h File 810 B 0644
switch_to.h File 2.66 KB 0644
synch.h File 1.36 KB 0644
syscall.h File 2.8 KB 0644
syscalls.h File 684 B 0644
systbl.h File 9.28 KB 0644
tce.h File 1.72 KB 0644
termios.h File 860 B 0644
thread_info.h File 5.31 KB 0644
time.h File 4.82 KB 0644
timex.h File 967 B 0644
tlb.h File 2.47 KB 0644
tlbflush.h File 2.93 KB 0644
tm.h File 690 B 0644
topology.h File 2.92 KB 0644
trace.h File 4.17 KB 0644
trace_clock.h File 517 B 0644
tsi108.h File 3.39 KB 0644
tsi108_irq.h File 4.48 KB 0644
tsi108_pci.h File 1.82 KB 0644
types.h File 1 KB 0644
uaccess.h File 13.21 KB 0644
udbg.h File 2.16 KB 0644
uic.h File 616 B 0644
unaligned.h File 548 B 0644
uninorth.h File 8.21 KB 0644
unistd.h File 1.52 KB 0644
uprobes.h File 1.41 KB 0644
user.h File 2.14 KB 0644
vas.h File 4.61 KB 0644
vdso.h File 1.53 KB 0644
vdso_datapage.h File 4.4 KB 0644
vga.h File 1.24 KB 0644
vio.h File 4.79 KB 0644
word-at-a-time.h File 4.75 KB 0644
xics.h File 4.31 KB 0644
xilinx_intc.h File 598 B 0644
xilinx_pci.h File 551 B 0644
xive-regs.h File 3.73 KB 0644
xive.h File 5.35 KB 0644
xmon.h File 927 B 0644
xor.h File 2.11 KB 0644