Add bcmmbox, a driver for the VideoCore messagebox interface on BCM283X.

Original work by Neil Ashford and dlg@
Feedback from jsg@
ok kettenis@, dlg@

2 files changed, 509 insertions, 0 deletions

diff --git a/sys/dev/ic/bcm2835_mbox.h b/sys/dev/ic/bcm2835_mbox.h
new file mode 100644
index 00000000000..cdd5a4a437d
--- /dev/null
+++ b/sys/dev/ic/bcm2835_mbox.h
@@ -0,0 +1,100 @@
+/*     $OpenBSD: bcm2835_mbox.h,v 1.1 2020/04/19 14:51:52 tobhe Exp $ */
+
+/*
+ * Copyright (c) 2020 Tobias Heider <tobhe@openbsd.org>
+ * Copyright (c) 2019 Neil Ashford <ashfordneil0@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*-
+ * Copyright (c) 2012 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Nick Hudson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef BCM2835_MBOX_H
+#define BCM2835_MBOX_H
+
+#define BCMMBOX_NUM_CHANNELS 16
+#define BCMMBOX_CHANNEL_MASK 0xf
+
+/* mailbox 0 (from VC) and mailbox 1 (to VC) */
+#define BCMMBOX_SIZE 0x80
+
+#define BCMMBOX_READ 0x00
+#define BCMMBOX_WRITE 0x00
+#define BCMMBOX_POLL 0x10   /* read without popping the fifo */
+#define BCMMBOX_ID 0x14     /* sender ID (bottom two bits) */
+#define BCMMBOX_STATUS 0x18 /* status */
+#define  BCMMBOX_STATUS_FULL 0x80000000
+#define  BCMMBOX_STATUS_EMPTY 0x40000000
+#define  BCMMBOX_STATUS_LEVEL 0x400000FF
+#define BCMMBOX_CFG 0x1C /* configuration */
+#define  BCMMBOX_CFG_DATA_IRQ_EN 0x00000001
+#define  BCMMBOX_CFG_SPACE_IRQ_EN 0x00000002
+#define  BCMMBOX_CFG_EMPTYOP_IRQ_EN 0x00000004
+#define  BCMMBOX_CFG_MAIL_CLEAR 0x00000008
+#define  BCMMBOX_CFG_DATA_PENDING 0x00000010
+#define  BCMMBOX_CFG_SPACE_PENDING 0x00000020
+#define  BCMMBOX_CFG_EMPTY_OP_PENDING 0x00000040
+#define  BCMMBOX_CFG_E_NO_OWN 0x00000100
+#define  BCMMBOX_CFG_E_OVERFLOW 0x00000200
+#define  BCMMBOX_CFG_E_UNDERFLOW 0x00000400
+
+#define BCMMBOX0_BASE 0x00
+#define BCMMBOX1_BASE 0x20
+
+#define BCMMBOX0_READ (BCMMBOX0_BASE + BCMMBOX_READ)
+#define BCMMBOX0_WRITE (BCMMBOX0_BASE + BCMMBOX_WRITE)
+#define BCMMBOX0_POLL (BCMMBOX0_BASE + BCMMBOX_POLL)
+#define BCMMBOX0_ID (BCMMBOX0_BASE + BCMMBOX_ID)
+#define BCMMBOX0_STATUS (BCMMBOX0_BASE + BCMMBOX_STATUS)
+#define BCMMBOX0_CFG (BCMMBOX0_BASE + BCMMBOX_READ)
+
+#define BCMMBOX1_READ (BCMMBOX1_BASE + BCMMBOX_READ)
+#define BCMMBOX1_WRITE (BCMMBOX1_BASE + BCMMBOX_WRITE)
+#define BCMMBOX1_POLL (BCMMBOX1_BASE + BCMMBOX_POLL)
+#define BCMMBOX1_ID (BCMMBOX1_BASE + BCMMBOX_ID)
+#define BCMMBOX1_STATUS (BCMMBOX1_BASE + BCMMBOX_STATUS)
+#define BCMMBOX1_CFG (BCMMBOX1_BASE + BCMMBOX_READ)
+
+void bcmmbox_read(uint8_t chan, uint32_t *data);
+void bcmmbox_write(uint8_t chan, uint32_t data);
+
+int bcmmbox_post(uint8_t, void *, size_t, uint32_t *);
+
+#endif /* BCM2835_MBOX_H */
diff --git a/sys/dev/ic/bcm2835_vcprop.h b/sys/dev/ic/bcm2835_vcprop.h
new file mode 100644
index 00000000000..c0ddfe54026
--- /dev/null
+++ b/sys/dev/ic/bcm2835_vcprop.h
@@ -0,0 +1,409 @@
+/*     $OpenBSD: bcm2835_vcprop.h,v 1.1 2020/04/19 14:51:52 tobhe Exp $ */
+
+/*
+ * Copyright (c) 2020 Tobias Heider <tobhe@openbsd.org>
+ * Copyright (c) 2019 Neil Ashford <ashfordneil0@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*-
+ * Copyright (c) 2012 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Nick Hudson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Mailbox property interface
+ */
+
+#ifndef BCM2835_VCPROP_H
+#define BCM2835_VCPROP_H
+
+struct vcprop_tag {
+	uint32_t vpt_tag;
+#define	VCPROPTAG_NULL			0x00000000
+#define	VCPROPTAG_GET_FIRMWAREREV	0x00000001
+#define	VCPROPTAG_GET_BOARDMODEL	0x00010001
+#define	VCPROPTAG_GET_BOARDREVISION	0x00010002
+#define	VCPROPTAG_GET_MACADDRESS	0x00010003
+#define	VCPROPTAG_GET_BOARDSERIAL	0x00010004
+#define	VCPROPTAG_GET_ARMMEMORY		0x00010005
+#define	VCPROPTAG_GET_VCMEMORY		0x00010006
+#define	VCPROPTAG_GET_CLOCKS		0x00010007
+
+#define VCPROPTAG_GET_POWERSTATE	0x00020001
+#define VCPROPTAG_GET_POWERTIMING	0x00020002
+#define VCPROPTAG_SET_POWERSTATE	0x00028001
+
+#define	VCPROPTAG_GET_CLOCKSTATE	0x00030001
+#define	VCPROPTAG_SET_CLOCKSTATE	0x00038001
+#define	VCPROPTAG_GET_CLOCKRATE		0x00030002
+#define	VCPROPTAG_SET_CLOCKRATE		0x00038002
+#define	VCPROPTAG_GET_MIN_CLOCKRATE	0x00030007
+#define	VCPROPTAG_GET_MAX_CLOCKRATE	0x00030004
+#define	VCPROPTAG_GET_TURBO		0x00030009
+#define	VCPROPTAG_SET_TURBO		0x00038009
+
+#define VCPROPTAG_GET_VOLTAGE		0x00030003
+#define VCPROPTAG_SET_VOLTAGE		0x00038003
+#define VCPROPTAG_GET_MIN_VOLTAGE	0x00030008
+#define VCPROPTAG_GET_MAX_VOLTAGE	0x00030005
+
+#define VCPROPTAG_GET_TEMPERATURE	0x00030006
+#define VCPROPTAG_GET_MAX_TEMPERATURE	0x0003000a
+
+#define	VCPROPTAG_GET_CMDLINE		0x00050001
+#define	VCPROPTAG_GET_DMACHAN		0x00060001
+
+#define	VCPROPTAG_ALLOCATE_BUFFER	0x00040001
+#define	VCPROPTAG_BLANK_SCREEN		0x00040002
+#define	VCPROPTAG_GET_FB_RES		0x00040003
+#define	VCPROPTAG_SET_FB_RES		0x00048003
+#define	VCPROPTAG_GET_FB_VRES		0x00040004
+#define	VCPROPTAG_SET_FB_VRES		0x00048004
+#define	VCPROPTAG_GET_FB_DEPTH		0x00040005
+#define	VCPROPTAG_SET_FB_DEPTH		0x00048005
+#define	VCPROPTAG_GET_FB_PIXEL_ORDER	0x00040006
+#define	VCPROPTAG_SET_FB_PIXEL_ORDER	0x00048006
+#define	VCPROPTAG_GET_FB_ALPHA_MODE	0x00040007
+#define	VCPROPTAG_SET_FB_ALPHA_MODE	0x00048007
+#define	VCPROPTAG_GET_FB_PITCH		0x00040008
+
+#define	VCPROPTAG_GET_EDID_BLOCK	0x00030020
+
+#define	VCPROPTAG_ALLOCMEM		0x0003000c
+#define	VCPROPTAG_LOCKMEM		0x0003000d
+#define	VCPROPTAG_UNLOCKMEM		0x0003000e
+#define	VCPROPTAG_RELEASEMEM		0x0003000f
+#define	VCPROPTAG_EXECUTE_CODE		0x00030010
+#define	VCPROPTAG_EXECUTE_QPU		0x00030011
+#define	VCPROPTAG_SET_ENABLE_QPU	0x00030012
+#define	VCPROPTAG_GET_DISPMANX_HANDLE	0x00030014
+
+#define	VCPROPTAG_SET_CURSOR_INFO	0x00008010
+#define	VCPROPTAG_SET_CURSOR_STATE	0x00008011
+
+	uint32_t vpt_len;
+	uint32_t vpt_rcode;
+#define	VCPROPTAG_REQUEST	(0U << 31)
+#define	VCPROPTAG_RESPONSE	(1U << 31)
+
+} __packed;
+
+#define VCPROPTAG_LEN(x) (sizeof((x)) - sizeof(struct vcprop_tag))
+
+struct vcprop_memory {
+	uint32_t base;
+	uint32_t size;
+};
+
+#define	VCPROP_MAXMEMBLOCKS 4
+struct vcprop_tag_memory {
+	struct vcprop_tag tag;
+	struct vcprop_memory mem[VCPROP_MAXMEMBLOCKS];
+};
+
+struct vcprop_tag_fwrev {
+	struct vcprop_tag tag;
+	uint32_t rev;
+};
+
+struct vcprop_tag_boardmodel {
+	struct vcprop_tag tag;
+	uint32_t model;
+};
+
+struct vcprop_tag_boardrev {
+	struct vcprop_tag tag;
+	uint32_t rev;
+};
+#define	VCPROP_REV_PCBREV	15
+#define	VCPROP_REV_MODEL	(255 << 4)
+#define	 RPI_MODEL_A		0
+#define	 RPI_MODEL_B		1
+#define	 RPI_MODEL_A_PLUS	2
+#define	 RPI_MODEL_B_PLUS	3
+#define	 RPI_MODEL_B_PI2	4
+#define	 RPI_MODEL_ALPHA	5
+#define	 RPI_MODEL_COMPUTE	6
+#define	 RPI_MODEL_ZERO		7
+#define	 RPI_MODEL_B_PI3	8
+#define	 RPI_MODEL_COMPUTE_PI3	9
+#define	 RPI_MODEL_ZERO_W	10
+#define	VCPROP_REV_PROCESSOR	(15 << 12)
+#define	 RPI_PROCESSOR_BCM2835	0
+#define	 RPI_PROCESSOR_BCM2836	1
+#define	 RPI_PROCESSOR_BCM2837	2
+#define	VCPROP_REV_MANUF	(15 << 16)
+#define	VCPROP_REV_MEMSIZE	(7 << 20)
+#define	VCPROP_REV_ENCFLAG	(1 << 23)
+#define	VCPROP_REV_WARRANTY	(3 << 24)
+
+struct vcprop_tag_macaddr {
+	struct vcprop_tag tag;
+	uint64_t addr;
+} __packed;
+
+struct vcprop_tag_boardserial {
+	struct vcprop_tag tag;
+	uint64_t sn;
+} __packed;
+
+#define	VCPROP_CLK_EMMC		1
+#define	VCPROP_CLK_UART		2
+#define	VCPROP_CLK_ARM		3
+#define	VCPROP_CLK_CORE		4
+#define	VCPROP_CLK_V3D		5
+#define	VCPROP_CLK_H264		6
+#define	VCPROP_CLK_ISP		7
+#define	VCPROP_CLK_SDRAM	8
+#define	VCPROP_CLK_PIXEL	9
+#define	VCPROP_CLK_PWM		10
+#define	VCPROP_CLK_EMMC2	12
+
+struct vcprop_clock {
+	uint32_t pclk;
+	uint32_t cclk;
+};
+
+#define	VCPROP_MAXCLOCKS 16
+struct vcprop_tag_clock {
+	struct vcprop_tag tag;
+	struct vcprop_clock clk[VCPROP_MAXCLOCKS];
+};
+
+#ifndef	VCPROP_MAXCMDLINE
+#define	VCPROP_MAXCMDLINE 1024
+#endif
+struct vcprop_tag_cmdline {
+	struct vcprop_tag tag;
+	uint8_t cmdline[VCPROP_MAXCMDLINE];
+};
+
+struct vcprop_tag_dmachan {
+	struct vcprop_tag tag;
+	uint32_t mask;
+};
+
+struct vcprop_tag_clockstate {
+	struct vcprop_tag tag;
+	uint32_t id;
+	uint32_t state;
+};
+
+struct vcprop_tag_clockrate {
+	struct vcprop_tag tag;
+	uint32_t id;
+	uint32_t rate;
+	uint32_t noturbo;
+} __packed;
+
+#define VCPROP_VOLTAGE_CORE	1
+#define VCPROP_VOLTAGE_SDRAM_C	2
+#define VCPROP_VOLTAGE_SDRAM_P	3
+#define VCPROP_VOLTAGE_SDRAM_I	4
+
+struct vcprop_tag_voltage {
+	struct vcprop_tag tag;
+	uint32_t id;
+	uint32_t value;
+};
+
+#define VCPROP_TEMP_SOC		0
+
+struct vcprop_tag_temperature {
+	struct vcprop_tag tag;
+	uint32_t id;
+	uint32_t value;
+};
+
+#define	VCPROP_POWER_SDCARD	0
+#define	VCPROP_POWER_UART0	1
+#define	VCPROP_POWER_UART1	2
+#define	VCPROP_POWER_USB	3
+#define	VCPROP_POWER_I2C0	4
+#define	VCPROP_POWER_I2C1	5
+#define	VCPROP_POWER_I2C2	6
+#define	VCPROP_POWER_SPI	7
+#define	VCPROP_POWER_CCP2TX	8
+
+struct vcprop_tag_powertiming {
+	struct vcprop_tag tag;
+	uint32_t id;
+	uint32_t waitusec;
+};
+
+struct vcprop_tag_powerstate {
+	struct vcprop_tag tag;
+	uint32_t id;
+	uint32_t state;
+};
+
+struct vcprop_tag_allocbuf {
+	struct vcprop_tag tag;
+	uint32_t address;	/* alignment for request */
+	uint32_t size;
+};
+
+#define VCPROP_BLANK_OFF	0
+#define VCPROP_BLANK_ON		1
+
+struct vcprop_tag_blankscreen {
+	struct vcprop_tag tag;
+	uint32_t state;
+};
+
+struct vcprop_tag_fbres {
+	struct vcprop_tag tag;
+	uint32_t width;
+	uint32_t height;
+};
+
+struct vcprop_tag_fbdepth {
+	struct vcprop_tag tag;
+	uint32_t bpp;
+};
+
+#define VCPROP_PIXEL_BGR	0
+#define VCPROP_PIXEL_RGB	1
+
+struct vcprop_tag_fbpixelorder {
+	struct vcprop_tag tag;
+	uint32_t state;
+};
+
+struct vcprop_tag_fbpitch {
+	struct vcprop_tag tag;
+	uint32_t linebytes;
+};
+
+#define VCPROP_ALPHA_ENABLED	0
+#define VCPROP_ALPHA_REVERSED	1
+#define VCPROP_ALPHA_IGNORED	2
+
+struct vcprop_tag_fbalpha {
+	struct vcprop_tag tag;
+	uint32_t state;
+};
+
+struct vcprop_tag_edidblock {
+	struct vcprop_tag tag;
+	uint32_t blockno;
+	uint32_t status;
+	uint8_t data[128];
+};
+
+struct vcprop_tag_cursorinfo {
+	struct vcprop_tag tag;
+	uint32_t width;
+	uint32_t height;
+	uint32_t format;
+	uint32_t pixels;	/* bus address in VC memory */
+	uint32_t hotspot_x;
+	uint32_t hotspot_y;
+};
+
+struct vcprop_tag_cursorstate {
+	struct vcprop_tag tag;
+	uint32_t enable;	/* 1 - visible */
+	uint32_t x;
+	uint32_t y;
+	uint32_t flags;		/* 0 - display coord. 1 - fb coord. */
+};
+
+struct vcprop_tag_allocmem {
+	struct vcprop_tag tag;
+	uint32_t size;	/* handle returned here */
+	uint32_t align;
+	uint32_t flags;
+/*
+ * flag definitions from
+ * https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface
+ */
+#define MEM_FLAG_DISCARDABLE	(1 << 0) /* can be resized to 0 at any time. Use for cached data */
+#define MEM_FLAG_NORMAL		(0 << 2) /* normal allocating alias. Don't use from ARM */
+#define MEM_FLAG_DIRECT		(1 << 2) /* 0xC alias uncached */
+#define MEM_FLAG_COHERENT	(2 << 2) /* 0x8 alias. Non-allocating in L2 but coherent */
+#define MEM_FLAG_L1_NONALLOCATING (MEM_FLAG_DIRECT | MEM_FLAG_COHERENT) /* Allocating in L2 */
+#define MEM_FLAG_ZERO		(1 << 4)  /* initialise buffer to all zeros */
+#define MEM_FLAG_NO_INIT	(1 << 5) /* don't initialise (default is initialise to all ones */
+#define MEM_FLAG_HINT_PERMALOCK	(1 << 6) /* Likely to be locked for long periods of time. */
+};
+
+/* also for unlock and release */
+struct vcprop_tag_lockmem {
+	struct vcprop_tag tag;
+	uint32_t handle;	/* bus address returned here */
+};
+
+struct vcprop_buffer_hdr {
+	uint32_t vpb_len;
+	uint32_t vpb_rcode;
+#define	VCPROP_PROCESS_REQUEST 0
+#define VCPROP_REQ_SUCCESS	(1U << 31)
+#define VCPROP_REQ_EPARSE	(1U << 0)
+} __packed;
+
+static inline bool
+vcprop_buffer_success_p(struct vcprop_buffer_hdr *vpbh)
+{
+	return (vpbh->vpb_rcode & VCPROP_REQ_SUCCESS);
+}
+
+static inline bool
+vcprop_tag_success_p(struct vcprop_tag *vpbt)
+{
+	return (vpbt->vpt_rcode & VCPROPTAG_RESPONSE);
+}
+
+static inline size_t
+vcprop_tag_resplen(struct vcprop_tag *vpbt)
+{
+	return (vpbt->vpt_rcode & ~VCPROPTAG_RESPONSE);
+}
+
+#define BCMMBOX_CHANPM 0
+#define BCMMBOX_CHANFB 1 /* will be deprecated */
+#define BCMMBOX_CHANVUART 2
+#define BCMMBOX_CHANVCHIQ 3
+#define BCMMBOX_CHANLEDS 4
+#define BCMMBOX_CHANBUTTONS 5
+#define BCMMBOX_CHANTOUCHSCR 6
+#define BCMMBOX_CHANARM2VC 8
+#define BCMMBOX_CHANVC2ARM 9
+
+#endif /* BCM2835_VCPROP_H */