Module Name:    src
Committed By:   jakllsch
Date:           Thu Aug  4 14:43:55 UTC 2011

Modified Files:
        src/sys/dev/pci: files.pci
Added Files:
        src/sys/dev/pci: coram.c coramvar.h cx23885reg.h

Log Message:
Add coram(4).

A driver for CX23885-based TV cards, such as the
Hauppauge WinTV HVR-1250 "Coram" board.

Currently only supports ATSC 8VSB reception.


To generate a diff of this commit:
cvs rdiff -u -r0 -r1.1 src/sys/dev/pci/coram.c src/sys/dev/pci/coramvar.h \
    src/sys/dev/pci/cx23885reg.h
cvs rdiff -u -r1.342 -r1.343 src/sys/dev/pci/files.pci

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/dev/pci/files.pci
diff -u src/sys/dev/pci/files.pci:1.342 src/sys/dev/pci/files.pci:1.343
--- src/sys/dev/pci/files.pci:1.342	Thu Jul 14 23:47:45 2011
+++ src/sys/dev/pci/files.pci	Thu Aug  4 14:43:55 2011
@@ -1,4 +1,4 @@
-#	$NetBSD: files.pci,v 1.342 2011/07/14 23:47:45 jmcneill Exp $
+#	$NetBSD: files.pci,v 1.343 2011/08/04 14:43:55 jakllsch Exp $
 #
 # Config file and device description for machine-independent PCI code.
 # Included by ports that need it.  Requires that the SCSI files be
@@ -1053,3 +1053,8 @@
 attach	cxdtv at pci
 file	dev/pci/cxdtv.c		cxdtv
 file	dev/pci/cxdtv_boards.c	cxdtv
+
+# Conexant CX23885-series DTV interface
+device	coram: dtvbus, i2cbus, i2cexec, mt2131, cx24227
+attach	coram at pci
+file	dev/pci/coram.c		coram

Added files:

Index: src/sys/dev/pci/coram.c
diff -u /dev/null src/sys/dev/pci/coram.c:1.1
--- /dev/null	Thu Aug  4 14:43:55 2011
+++ src/sys/dev/pci/coram.c	Thu Aug  4 14:43:55 2011
@@ -0,0 +1,962 @@
+/* $NetBSD: coram.c,v 1.1 2011/08/04 14:43:55 jakllsch Exp $ */
+
+/*
+ * Copyright (c) 2008, 2011 Jonathan A. Kollasch
+ * All rights reserved.
+ *
+ * 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: coram.c,v 1.1 2011/08/04 14:43:55 jakllsch Exp $");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+#include <sys/kmem.h>
+#include <sys/mutex.h>
+
+#include <sys/bus.h>
+
+#include <dev/dtv/dtvif.h>
+
+#include <dev/pci/cx23885reg.h>
+#include <dev/pci/coramvar.h>
+
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcidevs.h>
+#include <dev/i2c/i2cvar.h>
+#include <dev/i2c/at24cxxvar.h>
+
+#include <dev/i2c/cx24227var.h>
+#include <dev/i2c/mt2131var.h>
+
+static int coram_match(device_t, cfdata_t, void *);
+static void coram_attach(device_t, device_t, void *);
+static bool coram_resume(device_t, const pmf_qual_t *);
+static int coram_intr(void *);
+
+static int coram_iic_exec(void *, i2c_op_t, i2c_addr_t,
+    const void *, size_t, void *, size_t, int);
+static int coram_iic_acquire_bus(void *, int);
+static void coram_iic_release_bus(void *, int);
+static int coram_iic_read(struct coram_iic_softc *, i2c_op_t, i2c_addr_t,
+    const void *, size_t, void *, size_t, int);
+static int coram_iic_write(struct coram_iic_softc *, i2c_op_t, i2c_addr_t,
+    const void *, size_t, void *, size_t, int);
+
+static void coram_dtv_get_devinfo(void *, struct dvb_frontend_info *);
+static int coram_dtv_open(void *, int);
+static void coram_dtv_close(void *);
+static int coram_dtv_set_tuner(void *, const struct dvb_frontend_parameters *);
+static fe_status_t coram_dtv_get_status(void *);
+static uint16_t coram_dtv_get_signal_strength(void *);
+static uint16_t coram_dtv_get_snr(void *);
+static int coram_dtv_start_transfer(void *);
+static int coram_dtv_stop_transfer(void *);
+
+static int coram_mpeg_attach(struct coram_softc *);
+static int coram_mpeg_reset(struct coram_softc *);
+static void * coram_mpeg_malloc(struct coram_softc *, size_t);
+static int coram_allocmem(struct coram_softc *, size_t, size_t, struct coram_dma *);
+static void coram_mpeg_free(struct coram_softc *, void *);
+static int coram_mpeg_halt(struct coram_softc *);
+static int coram_freemem(struct coram_softc *, struct coram_dma *);
+static int coram_mpeg_trigger(struct coram_softc *, void *);
+static int coram_risc_buffer(struct coram_softc *, uint32_t, uint32_t);
+static int coram_risc_field(struct coram_softc *, uint32_t *, uint32_t);
+static int coram_sram_ch_setup(struct coram_softc *, struct coram_sram_ch *, uint32_t);
+static int coram_mpeg_intr(struct coram_softc *);
+
+CFATTACH_DECL_NEW(coram, sizeof(struct coram_softc),
+    coram_match, coram_attach, NULL, NULL);
+
+#define CORAM_SRAM_CH6 0
+
+#define CORAM_TS_PKTSIZE        (188 * 8)
+
+static struct coram_sram_ch coram_sram_chs[] = {
+	[CORAM_SRAM_CH6] = {
+		.csc_cmds= 0x10140,
+		.csc_iq	= 0x10500,
+		.csc_iqsz = 0x40,
+		.csc_cdt = 0x10600,
+		.csc_cdtsz = 0x10,
+		.csc_fifo = 0x6000,
+		.csc_fifosz = 0x1000,
+		.csc_risc = 0x10800,
+		.csc_riscsz = 0x800,
+		.csc_ptr1 = DMA5_PTR1,
+		.csc_ptr2 = DMA5_PTR2,
+		.csc_cnt1 = DMA5_CNT1,
+		.csc_cnt2 = DMA5_CNT2,
+	},
+};
+
+//#define PCI_PRODUCT_CONEXANT_CX23885 0x8852
+
+static const struct dtv_hw_if coram_dtv_if = {
+	.get_devinfo = coram_dtv_get_devinfo,
+	.open = coram_dtv_open,
+	.close = coram_dtv_close,
+	.set_tuner = coram_dtv_set_tuner,
+	.get_status = coram_dtv_get_status,
+	.get_signal_strength = coram_dtv_get_signal_strength,
+	.get_snr = coram_dtv_get_snr,
+	.start_transfer = coram_dtv_start_transfer,
+	.stop_transfer = coram_dtv_stop_transfer,
+};
+
+static int
+coram_match(device_t parent, cfdata_t match, void *v)
+{
+	const struct pci_attach_args *pa = v;
+
+	if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_CONEXANT)
+		return 0;
+
+	switch (PCI_PRODUCT(pa->pa_id)) {
+	case PCI_PRODUCT_CONEXANT_CX23885:
+		return 1;
+	}
+
+	/* XXX only match supported boards */
+
+	return 0;
+}
+
+static void
+coram_attach(device_t parent, device_t self, void *v)
+{
+	struct coram_softc *sc;
+	const struct pci_attach_args *pa = v;
+	pci_intr_handle_t ih;
+	pcireg_t reg;
+	const char *intrstr;
+	char devinfo[76];
+	struct coram_iic_softc *cic;
+	struct i2cbus_attach_args iba;
+	uint32_t value;
+
+	sc = device_private(self);
+
+	sc->sc_dev = self;
+
+	aprint_naive("\n");
+
+	reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
+
+	sc->sc_vendor = PCI_VENDOR(reg);
+	sc->sc_product = PCI_PRODUCT(reg);
+
+	pci_devinfo(reg, pa->pa_class, 0, devinfo, sizeof(devinfo));
+	aprint_normal(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class));
+
+	if (pci_mapreg_map(pa, CX23885_MMBASE, PCI_MAPREG_TYPE_MEM, 0,
+			   &sc->sc_memt, &sc->sc_memh, NULL, &sc->sc_mems)) {
+		aprint_error_dev(self, "couldn't map memory space\n");
+		return;
+	}
+
+	sc->sc_dmat = pa->pa_dmat;
+
+	if (pci_intr_map(pa, &ih)) {
+		aprint_error_dev(self, "couldn't map interrupt\n");
+		return;
+	}
+	intrstr = pci_intr_string(pa->pa_pc, ih);
+	sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_VM,
+	    coram_intr, (void *)self);
+	if (sc->sc_ih == NULL) {
+		aprint_error_dev(self, "couldn't establish interrupt");
+		if (intrstr != NULL)
+			aprint_error(" at %s", intrstr);
+		aprint_error("\n");
+		return;
+	}
+	aprint_normal_dev(self, "interrupting at %s\n", intrstr);
+
+	/* set master */
+	reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
+	reg |= PCI_COMMAND_MASTER_ENABLE;
+	pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);
+
+	int i;
+
+	/* I2C */
+	for(i = 0; i < I2C_NUM; i++) {
+		cic = &sc->sc_iic[i];
+
+		cic->cic_sc = sc;
+		if(bus_space_subregion(sc->sc_memt, sc->sc_memh, I2C_BASE + (I2C_SIZE * i), I2C_SIZE, &cic->cic_regh))
+			panic("failed to subregion i2c");
+
+		mutex_init(&cic->cic_busmutex, MUTEX_DRIVER, IPL_NONE);
+		cic->cic_i2c.ic_cookie = cic;
+		cic->cic_i2c.ic_acquire_bus = coram_iic_acquire_bus;
+		cic->cic_i2c.ic_release_bus = coram_iic_release_bus;
+		cic->cic_i2c.ic_exec = coram_iic_exec;
+
+#if 1
+		/* attach iic(4) */
+		memset(&iba, 0, sizeof(iba));
+		iba.iba_tag = &cic->cic_i2c;
+		iba.iba_type = I2C_TYPE_SMBUS;
+		config_found_ia(self, "i2cbus", &iba, iicbus_print);
+#endif
+	}
+
+	/* HVR1250 GPIO */
+	value = bus_space_read_4(sc->sc_memt, sc->sc_memh, 0x110010);
+#if 1
+	value &= ~0x00010001;
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, 0x110010, value);
+	delay(5000);
+#endif
+	value |= 0x00010001;
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, 0x110010, value);
+
+#if 0
+	int i;
+	uint8_t foo[256];
+	uint8_t bar;
+	bar = 0;
+//	seeprom_bootstrap_read(&sc->sc_i2c, 0x50, 0, 256, foo, 256);
+
+	iic_acquire_bus(&sc->sc_i2c, I2C_F_POLL);
+	iic_exec(&sc->sc_i2c, I2C_OP_READ_WITH_STOP, 0x50, &bar, 1, foo, 256, I2C_F_POLL);
+	iic_release_bus(&sc->sc_i2c, I2C_F_POLL);
+
+	printf("\n");
+	for ( i = 0; i < 256; i++) {
+		if ( (i % 8) == 0 )
+			printf("%02x: ", i);
+
+		printf("%02x", foo[i]);
+
+		if ( (i % 8) == 7 )
+			printf("\n");
+		else
+			printf(" ");
+	}
+	printf("\n");
+#endif
+
+	sc->sc_demod = cx24227_open(sc->sc_dev, &sc->sc_iic[0].cic_i2c, 0x19);
+	if ( sc->sc_demod == NULL )
+		panic("no demod");
+
+	sc->sc_tuner = mt2131_open(sc->sc_dev, &sc->sc_iic[0].cic_i2c, 0x61);
+	if ( sc->sc_tuner == NULL )
+		panic("no tuner");
+
+	coram_mpeg_attach(sc);
+
+	if (!pmf_device_register(self, NULL, coram_resume))
+		aprint_error_dev(self, "couldn't establish power handler\n");
+
+	return;
+}
+
+static int
+coram_intr(void *v)
+{
+	device_t self = v;
+	struct coram_softc *sc;
+	uint32_t val;
+
+	sc = device_private(self);
+
+	val = bus_space_read_4(sc->sc_memt, sc->sc_memh, PCI_INT_MSTAT );
+	if (val == 0)
+		return 0; /* not ours */
+
+	/* vid c */
+	if (val & __BIT(2))
+		coram_mpeg_intr(sc);
+
+	if (val & ~__BIT(2))
+		printf("%s %08x\n", __func__, val);
+
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, PCI_INT_STAT, val);
+
+	return 1;
+}
+
+#define CXDTV_TS_RISCI2  (1 << 4)
+#define CXDTV_TS_RISCI1  (1 << 0)
+
+#define CXDTV_TS_RISCI (CXDTV_TS_RISCI1|CXDTV_TS_RISCI2)
+
+static int
+coram_mpeg_intr(struct coram_softc *sc)
+{
+	struct dtv_payload payload;
+	uint32_t s, m, v;
+	int i;
+
+	s = bus_space_read_4(sc->sc_memt, sc->sc_memh, VID_C_INT_STAT);
+	m = bus_space_read_4(sc->sc_memt, sc->sc_memh, VID_C_INT_MSK);
+
+	if ((s & m) == 0)
+		return 0;
+
+	if ( (s & ~CXDTV_TS_RISCI) != 0 ) {
+		printf("%s: unexpected TS IS %08x\n",
+		    device_xname(sc->sc_dev), s);
+
+		printf("cmds:\n");
+		for(i = 0; i < 20; i++)
+		{
+			v = bus_space_read_4(sc->sc_memt, sc->sc_memh, 0x10140 +(i*4));
+			printf("%06x %08x\n", 0x10140+(i*4), v);
+		}
+	}
+
+	if ((s & CXDTV_TS_RISCI1) == CXDTV_TS_RISCI1) {
+		bus_dmamap_sync(sc->sc_dmat, sc->sc_dma->map,
+		    0, CORAM_TS_PKTSIZE,
+		    BUS_DMASYNC_POSTREAD);
+		payload.data = KERNADDR(sc->sc_dma);
+		payload.size = CORAM_TS_PKTSIZE;
+		dtv_submit_payload(sc->sc_dtvdev, &payload);
+	}
+
+	if ((s & CXDTV_TS_RISCI2) == CXDTV_TS_RISCI2) {
+		bus_dmamap_sync(sc->sc_dmat, sc->sc_dma->map,
+		    CORAM_TS_PKTSIZE, CORAM_TS_PKTSIZE,
+		    BUS_DMASYNC_POSTREAD);
+		payload.data = (char *)(KERNADDR(sc->sc_dma)) + (uintptr_t)CORAM_TS_PKTSIZE;
+		payload.size = CORAM_TS_PKTSIZE;
+		dtv_submit_payload(sc->sc_dtvdev, &payload);
+	}
+
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, VID_C_INT_STAT, s);
+
+	return 1;
+}
+
+static bool
+coram_resume(device_t dv, const pmf_qual_t *qual)
+{
+	struct coram_softc *sc;
+	sc = device_private(dv);
+
+	device_printf(sc->sc_dev, "%s\n", __func__);
+
+	return true;
+}
+
+static int
+coram_iic_acquire_bus(void *cookie, int flags)
+{
+	struct coram_iic_softc *cic;
+
+	cic = cookie;
+
+	if (flags & I2C_F_POLL) {
+		while (mutex_tryenter(&cic->cic_busmutex) == 0)
+			delay(50);
+		return 0;
+	}
+
+	mutex_enter(&cic->cic_busmutex);
+
+	return 0;
+}
+
+static void
+coram_iic_release_bus(void *cookie, int flags)
+{
+	struct coram_iic_softc *cic;
+
+	cic = cookie;
+
+	mutex_exit(&cic->cic_busmutex);
+
+	return;
+}
+
+/* I2C Bus */
+
+#define I2C_ADDR  0x0000
+#define I2C_WDATA 0x0004
+#define I2C_CTRL  0x0008
+#define I2C_RDATA 0x000c
+#define I2C_STAT  0x0010
+
+#define I2C_EXTEND  (1 << 3)
+#define I2C_NOSTOP  (1 << 4)
+
+static int
+coram_iic_exec(void *cookie, i2c_op_t op, i2c_addr_t addr,
+    const void *cmdbuf, size_t cmdlen, void *buf, size_t len, int flags)
+{
+	struct coram_iic_softc *cic;
+	int ret;
+
+	cic = cookie;
+
+	if(cmdlen) {
+		ret = coram_iic_write(cic, op, addr, cmdbuf, cmdlen, buf, len, flags);
+	if(ret)
+		return ret;
+	}
+
+	if(len) {
+		ret = coram_iic_read(cic, op, addr, cmdbuf, cmdlen, buf, len, flags);
+	if(ret)
+		return ret;
+	}
+
+
+	return 0;
+
+}
+
+static int
+coram_iic_read(struct coram_iic_softc *cic, i2c_op_t op, i2c_addr_t addr,
+    const void *cmdbuf, size_t cmdlen, void *buf, size_t len, int flags)
+{
+	uint8_t *rb;
+	uint32_t ctrl;
+	int bn;
+
+	rb = buf;
+
+	for ( bn = 0; bn < len; bn++) {
+		ctrl = (0x9d << 24) | (1 << 12) | (1 << 2) | 1;
+		if ( bn < len - 1 )
+			ctrl |= I2C_NOSTOP | I2C_EXTEND;
+
+		bus_space_write_4(cic->cic_sc->sc_memt, cic->cic_regh, I2C_ADDR, addr<<25);
+	        bus_space_write_4(cic->cic_sc->sc_memt, cic->cic_regh, I2C_CTRL, ctrl);
+
+		while((bus_space_read_4(cic->cic_sc->sc_memt, cic->cic_regh,
+		    I2C_STAT) & 0x02)) {
+			delay(25);
+		}
+		if((bus_space_read_4(cic->cic_sc->sc_memt, cic->cic_regh,
+		    I2C_STAT) & 0x01) == 0x00) {
+//			printf("%s %d no ack\n", __func__, bn);
+			return EIO;
+		}
+
+		rb[bn] = bus_space_read_4(cic->cic_sc->sc_memt, cic->cic_regh, I2C_RDATA);
+
+	}
+
+	return 0;
+}
+
+static int
+coram_iic_write(struct coram_iic_softc *cic, i2c_op_t op, i2c_addr_t addr,
+    const void *cmdbuf, size_t cmdlen, void *buf, size_t len, int flags)
+{
+	const uint8_t *wb;
+	uint32_t wdata, addrreg, ctrl;
+	int bn;
+
+	wb = cmdbuf;
+
+	addrreg = (addr << 25) | wb[0];
+	wdata = wb[0];
+	ctrl = (0x9d << 24) | (1 << 12) | (1 << 2);
+
+	if ( cmdlen > 1 )
+		ctrl |= I2C_NOSTOP | I2C_EXTEND;
+	else if (len)
+		ctrl |= I2C_NOSTOP;
+
+	bus_space_write_4(cic->cic_sc->sc_memt, cic->cic_regh, I2C_ADDR, addrreg);
+	bus_space_write_4(cic->cic_sc->sc_memt, cic->cic_regh, I2C_WDATA, wdata);
+	bus_space_write_4(cic->cic_sc->sc_memt, cic->cic_regh, I2C_CTRL, ctrl);
+
+	while((bus_space_read_4(cic->cic_sc->sc_memt, cic->cic_regh, I2C_STAT) & 0x02)) {
+		delay(25); }
+
+	for ( bn = 1; bn < cmdlen; bn++) {
+		ctrl = (0x9d << 24) | (1 << 12) | (1 << 2);
+		wdata = wb[bn];
+
+		if ( bn < cmdlen - 1 )
+			ctrl |= I2C_NOSTOP | I2C_EXTEND;
+		else if (len)
+			ctrl |= I2C_NOSTOP;
+
+		bus_space_write_4(cic->cic_sc->sc_memt, cic->cic_regh, I2C_ADDR, addrreg);
+		bus_space_write_4(cic->cic_sc->sc_memt, cic->cic_regh, I2C_WDATA, wdata);
+		bus_space_write_4(cic->cic_sc->sc_memt, cic->cic_regh, I2C_CTRL, ctrl);
+
+		while((bus_space_read_4(cic->cic_sc->sc_memt, cic->cic_regh, I2C_STAT) & 0x02)) {
+			delay(25); }
+	}
+
+	return 0;
+}
+
+static int
+coram_mpeg_attach(struct coram_softc *sc)
+{
+	struct dtv_attach_args daa;
+	struct coram_sram_ch *ch;
+
+	ch = &coram_sram_chs[CORAM_SRAM_CH6];
+
+	sc->sc_riscbufsz = ch->csc_riscsz;
+	sc->sc_riscbuf = kmem_alloc(ch->csc_riscsz, KM_SLEEP);
+
+	if ( sc->sc_riscbuf == NULL )
+		panic("riscbuf null");
+
+	coram_mpeg_reset(sc);
+
+	daa.hw = &coram_dtv_if;
+	daa.priv = sc;
+
+	sc->sc_tsbuf = NULL;
+
+	sc->sc_dtvdev = config_found_ia(sc->sc_dev, "dtvbus", &daa, dtv_print);
+
+	return (sc->sc_dtvdev != NULL);
+}
+
+
+static void
+coram_dtv_get_devinfo(void *cookie, struct dvb_frontend_info *info)
+{
+	memset(info, 0, sizeof(*info));
+	strlcpy(info->name, "CX23885", sizeof(info->name));
+	info->type = FE_ATSC;
+	info->frequency_min = 54000000;
+	info->frequency_max = 858000000;
+	info->frequency_stepsize = 62500;
+	info->caps = FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB;
+}
+
+static int
+coram_dtv_open(void *cookie, int flags)
+{
+	struct coram_softc *sc = cookie;
+
+	device_printf(sc->sc_dev, "%s\n", __func__);
+
+	//KASSERT(sc->sc_tsbuf == NULL);
+
+	coram_mpeg_reset(sc);
+
+	/* allocate two alternating DMA areas for MPEG TS packets */
+	sc->sc_tsbuf = coram_mpeg_malloc(sc, CORAM_TS_PKTSIZE * 2);
+
+	if (sc->sc_tsbuf == NULL)
+		return ENOMEM;
+
+	return 0;
+}
+
+static void
+coram_dtv_close(void *cookie)
+{
+	struct coram_softc *sc = cookie;
+
+	device_printf(sc->sc_dev, "%s\n", __func__);
+
+	coram_mpeg_halt(sc);
+
+	if (sc->sc_tsbuf != NULL) {
+		coram_mpeg_free(sc, sc->sc_tsbuf);
+		sc->sc_tsbuf = NULL;
+	}
+}
+
+static int
+coram_dtv_set_tuner(void *cookie, const struct dvb_frontend_parameters *params)
+{
+	struct coram_softc *sc = cookie;
+
+	KASSERT(sc->sc_tuner != NULL);
+	mt2131_tune_dtv(sc->sc_tuner, params);
+	KASSERT(sc->sc_demod != NULL);
+	cx24227_set_modulation(sc->sc_demod, params->u.vsb.modulation);
+
+	return 0; /* XXX */
+}
+
+static fe_status_t
+coram_dtv_get_status(void *cookie)
+{
+	return 0;
+}
+
+static uint16_t
+coram_dtv_get_signal_strength(void *cookie)
+{
+	return 0;
+}
+
+static uint16_t
+coram_dtv_get_snr(void *cookie)
+{
+	return 0;
+}
+
+static int
+coram_dtv_start_transfer(void *cookie)
+{
+	struct coram_softc *sc = cookie;
+
+	device_printf(sc->sc_dev, "%s\n", __func__);
+
+	coram_mpeg_trigger(sc, sc->sc_tsbuf);
+
+	return 0;
+}
+
+static int
+coram_dtv_stop_transfer(void *cookie)
+{
+	struct coram_softc *sc = cookie;
+
+	device_printf(sc->sc_dev, "%s\n", __func__);
+
+	coram_mpeg_halt(sc);
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, PCI_INT_MSK, 0);
+
+	return 0;
+}
+
+
+static int
+coram_mpeg_reset(struct coram_softc *sc)
+{
+	uint32_t v;
+
+	v = (uint32_t)-1;
+
+	/* hold RISC in reset */
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, DEV_CNTRL2, 0);
+
+	/* disable fifo + risc */
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, VID_C_DMA_CTL, 0);
+
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, PCI_INT_MSK, 0);
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, VID_C_INT_MSK, 0);
+
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, PCI_INT_STAT, 0);
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, VID_C_INT_STAT, 0);
+
+	memset(sc->sc_riscbuf, 0, sc->sc_riscbufsz);
+
+	return 0;
+}
+
+static void *
+coram_mpeg_malloc(struct coram_softc *sc, size_t size)
+{
+	struct coram_dma *p;
+	int err;
+
+	p = kmem_alloc(sizeof(struct coram_dma), KM_SLEEP);
+	if ( p == NULL )
+		return NULL;
+	err = coram_allocmem(sc, size, 16, p);
+	if (err) {
+		kmem_free(p, sizeof(struct coram_dma));
+		return NULL;
+	}
+
+	p->next = sc->sc_dma;
+	sc->sc_dma = p;
+
+	return KERNADDR(p);
+}
+
+static int
+coram_allocmem(struct coram_softc *sc, size_t size, size_t align,
+    struct coram_dma *p)
+{
+	int err;
+
+	p->size = size;
+	err = bus_dmamem_alloc(sc->sc_dmat, p->size, align, 0,
+	    p->segs, sizeof(p->segs) / sizeof(p->segs[0]),
+	    &p->nsegs, BUS_DMA_NOWAIT);
+	if (err)
+		return err;
+	err = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size,
+	    &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
+	if (err)
+		goto free;
+	err = bus_dmamap_create(sc->sc_dmat, p->size, 1, p->size, 0,
+	    BUS_DMA_NOWAIT, &p->map);
+	if (err)
+		goto unmap;
+	err = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size, NULL,
+	    BUS_DMA_NOWAIT);
+	if (err)
+		goto destroy;
+
+	return 0;
+destroy:
+	bus_dmamap_destroy(sc->sc_dmat, p->map);
+unmap:
+	bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
+free:
+	bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs);
+
+	return err;
+}
+
+static int
+coram_mpeg_halt(struct coram_softc *sc)
+{
+	uint32_t v;
+
+	device_printf(sc->sc_dev, "%s\n", __func__);
+
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, VID_C_DMA_CTL, 0);
+
+	v = bus_space_read_4(sc->sc_memt, sc->sc_memh, PCI_INT_MSK);
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, PCI_INT_MSK,
+	    v & __BIT(2));
+
+	v = bus_space_read_4(sc->sc_memt, sc->sc_memh, VID_C_INT_MSK);
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, VID_C_INT_MSK,
+	    v & 0);
+
+	return 0;
+}
+
+static void
+coram_mpeg_free(struct coram_softc *sc, void *addr)
+{
+	struct coram_dma *p;
+	struct coram_dma **pp;
+
+	for (pp = &sc->sc_dma; (p = *pp) != NULL; pp = &p->next)
+		if (KERNADDR(p) == addr) {
+			coram_freemem(sc, p);
+			*pp = p->next;
+			kmem_free(p, sizeof(struct coram_dma));
+			return;
+		}
+
+	printf("%s: %p is already free\n", device_xname(sc->sc_dev), addr);
+	return;
+}
+
+static int
+coram_freemem(struct coram_softc *sc, struct coram_dma *p)
+{
+	bus_dmamap_unload(sc->sc_dmat, p->map);
+	bus_dmamap_destroy(sc->sc_dmat, p->map);
+	bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
+	bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs);
+
+	return 0;
+}
+
+static int
+coram_mpeg_trigger(struct coram_softc *sc, void *buf)
+{
+	struct coram_dma *p;
+	struct coram_sram_ch *ch;
+	uint32_t v;
+
+	ch = &coram_sram_chs[CORAM_SRAM_CH6];
+
+	for (p = sc->sc_dma; p && KERNADDR(p) != buf; p = p->next)
+		continue;
+	if (p == NULL) {
+		printf("%s: coram_mpeg_trigger: bad addr %p\n",
+		    device_xname(sc->sc_dev), buf);
+		return ENOENT;
+	}
+
+	/* disable fifo + risc */
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, VID_C_DMA_CTL, 0);
+
+	coram_risc_buffer(sc, CORAM_TS_PKTSIZE, 1);
+	coram_sram_ch_setup(sc, ch, CORAM_TS_PKTSIZE);
+
+	/* let me hope this bit is the same as on the 2388[0-3] */
+	/* software reset */
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, VID_C_GEN_CTL, 0x0040);
+	delay (100*1000);
+
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, VID_C_LNGTH, CORAM_TS_PKTSIZE);
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, VID_C_HW_SOP_CTL, 0x47 << 16 | 188 << 4);
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, VID_C_TS_CLK_EN, 1);
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, VID_C_VLD_MISC, 0);
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, VID_C_GEN_CTL, 12);
+	delay (100*1000);
+
+	v = bus_space_read_4(sc->sc_memt, sc->sc_memh, PAD_CTRL);
+	v &= ~0x4; /* Clear TS2_SOP_OE */
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, PAD_CTRL, v);
+
+	v = bus_space_read_4(sc->sc_memt, sc->sc_memh, VID_C_INT_MSK);
+	v |= 0x111111;
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, VID_C_INT_MSK, v);
+
+	v = bus_space_read_4(sc->sc_memt, sc->sc_memh, VID_C_DMA_CTL);
+	v |= 0x11; /* Enable RISC controller and FIFO */
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, VID_C_DMA_CTL, v);
+
+	v = bus_space_read_4(sc->sc_memt, sc->sc_memh, DEV_CNTRL2);
+	v |= __BIT(5); /* Enable RISC controller */
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, DEV_CNTRL2, v);
+
+	v = bus_space_read_4(sc->sc_memt, sc->sc_memh, PCI_INT_MSK);
+	v |= 0x001f00;
+	v |= 0x04;
+	bus_space_write_4(sc->sc_memt, sc->sc_memh, PCI_INT_MSK, v);
+
+	v = bus_space_read_4(sc->sc_memt, sc->sc_memh, VID_C_GEN_CTL);
+	printf("%s, %06x %08x\n", __func__, VID_C_GEN_CTL, v);
+	v = bus_space_read_4(sc->sc_memt, sc->sc_memh, VID_C_SOP_STATUS);
+	printf("%s, %06x %08x\n", __func__, VID_C_SOP_STATUS, v);
+	delay(100*1000);
+	v = bus_space_read_4(sc->sc_memt, sc->sc_memh, VID_C_GEN_CTL);
+	printf("%s, %06x %08x\n", __func__, VID_C_GEN_CTL, v);
+	v = bus_space_read_4(sc->sc_memt, sc->sc_memh, VID_C_SOP_STATUS);
+	printf("%s, %06x %08x\n", __func__, VID_C_SOP_STATUS, v);
+
+	return 0;
+}
+
+static int
+coram_risc_buffer(struct coram_softc *sc, uint32_t bpl, uint32_t lines)
+{
+	uint32_t *rm;
+	uint32_t size;
+
+	size = 1 + (bpl * lines) / PAGE_SIZE + lines;
+	size += 2;
+
+	if (sc->sc_riscbuf == NULL) {
+		return ENOMEM;
+	}
+
+	rm = (uint32_t *)sc->sc_riscbuf;
+	coram_risc_field(sc, rm, bpl);
+
+	return 0;
+}
+
+static int
+coram_risc_field(struct coram_softc *sc, uint32_t *rm, uint32_t bpl)
+{
+	struct coram_dma *p;
+
+	for (p = sc->sc_dma; p && KERNADDR(p) != sc->sc_tsbuf; p = p->next)
+		continue;
+	if (p == NULL) {
+		printf("%s: coram_risc_field: bad addr %p\n",
+		    device_xname(sc->sc_dev), sc->sc_tsbuf);
+		return ENOENT;
+	}
+
+	memset(sc->sc_riscbuf, 0, sc->sc_riscbufsz);
+
+	rm = sc->sc_riscbuf;
+
+	/* htole32 will be done when program is copied to chip sram */
+
+	/* XXX */
+	*(rm++) = (CX_RISC_SYNC|0);
+
+	*(rm++) = (CX_RISC_WRITE|CX_RISC_SOL|CX_RISC_EOL|CX_RISC_IRQ1|bpl);
+	*(rm++) = (DMAADDR(p) + 0 * bpl);
+	*(rm++) = 0; /* high dword */
+
+	*(rm++) = (CX_RISC_WRITE|CX_RISC_SOL|CX_RISC_EOL|CX_RISC_IRQ2|bpl);
+	*(rm++) = (DMAADDR(p) + 1 * bpl);
+	*(rm++) = 0;
+
+	*(rm++) = (CX_RISC_JUMP|1);
+	*(rm++) = (coram_sram_chs[CORAM_SRAM_CH6].csc_risc + 4);
+	*(rm++) = 0;
+
+	return 0;
+}
+
+static int
+coram_sram_ch_setup(struct coram_softc *sc, struct coram_sram_ch *csc,
+    uint32_t bpl)
+{
+	unsigned int i, lines;
+	uint32_t cdt;
+
+	/* XXX why round? */
+	bpl = (bpl + 7) & ~7;
+	cdt = csc->csc_cdt;
+	lines = csc->csc_fifosz / bpl;
+	printf("%s %d lines\n", __func__, lines);
+
+	/* fill in CDT */
+	for (i = 0; i < lines; i++) {
+#if 1
+		printf("CDT ent %08x, %08x\n", cdt + (16 * i),
+		    csc->csc_fifo + (bpl * i));
+#endif
+		bus_space_write_4(sc->sc_memt, sc->sc_memh,
+		    cdt + (16 * i), csc->csc_fifo + (bpl * i));
+	}
+
+	/* copy program */
+	/* converts program to little endian as it goes into sram */
+	bus_space_write_region_4(sc->sc_memt, sc->sc_memh,
+	    csc->csc_risc, (void *)sc->sc_riscbuf, sc->sc_riscbufsz >> 2);
+
+	/* fill in CMDS */
+	bus_space_write_4(sc->sc_memt, sc->sc_memh,
+	    csc->csc_cmds + CMDS_O_IRPC, csc->csc_risc);
+	bus_space_write_4(sc->sc_memt, sc->sc_memh,
+	    csc->csc_cmds + CMDS_O_IRPC + 4, 0);
+
+	bus_space_write_4(sc->sc_memt, sc->sc_memh,
+	    csc->csc_cmds + CMDS_O_CDTB, csc->csc_cdt);
+	bus_space_write_4(sc->sc_memt, sc->sc_memh,
+	    csc->csc_cmds + CMDS_O_CDTS, (lines * 16) >> 3); /* XXX magic */
+
+	bus_space_write_4(sc->sc_memt, sc->sc_memh,
+	    csc->csc_cmds + CMDS_O_IQB, csc->csc_iq);
+	bus_space_write_4(sc->sc_memt, sc->sc_memh,
+	    csc->csc_cmds + CMDS_O_IQS,
+	    CMDS_IQS_ISRP | (csc->csc_iqsz >> 2) );
+
+	/* zero rest of CMDS */
+	bus_space_set_region_4(sc->sc_memt, sc->sc_memh, 0x18, 0, 20);
+
+	bus_space_write_4(sc->sc_memt, sc->sc_memh,
+	    csc->csc_ptr1, csc->csc_fifo);
+	bus_space_write_4(sc->sc_memt, sc->sc_memh,
+	    csc->csc_ptr2, cdt);
+	bus_space_write_4(sc->sc_memt, sc->sc_memh,
+	    csc->csc_cnt2, (lines * 16) >> 3);
+	bus_space_write_4(sc->sc_memt, sc->sc_memh,
+	    csc->csc_cnt1, (bpl >> 3) - 1);
+
+	return 0;
+}
Index: src/sys/dev/pci/coramvar.h
diff -u /dev/null src/sys/dev/pci/coramvar.h:1.1
--- /dev/null	Thu Aug  4 14:43:55 2011
+++ src/sys/dev/pci/coramvar.h	Thu Aug  4 14:43:55 2011
@@ -0,0 +1,99 @@
+/* $NetBSD: coramvar.h,v 1.1 2011/08/04 14:43:55 jakllsch Exp $ */
+
+/*
+ * Copyright (c) 2008, 2011 Jonathan A. Kollasch
+ * All rights reserved.
+ *
+ * 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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 _DEV_PCI_CORAMVAR_H
+#define _DEV_PCI_CORAMVAR_H
+
+#include <sys/bus.h>
+#include <sys/mutex.h>
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcireg.h>
+#include <dev/i2c/i2cvar.h>
+
+#define KERNADDR(p)	((void *)((p)->addr))
+#define DMAADDR(p)	((p)->map->dm_segs[0].ds_addr)
+
+struct coram_sram_ch {
+	uint32_t	csc_cmds;
+	uint32_t	csc_iq;
+	uint32_t	csc_iqsz;
+	uint32_t	csc_cdt;
+	uint32_t	csc_cdtsz;
+	uint32_t	csc_fifo;
+	uint32_t	csc_fifosz;
+	uint32_t	csc_risc;
+	uint32_t	csc_riscsz;
+	uint32_t	csc_ptr1;
+	uint32_t	csc_ptr2;
+	uint32_t	csc_cnt1;
+	uint32_t	csc_cnt2;
+};
+
+struct coram_dma {
+	bus_dmamap_t		map;
+	void *			addr;
+	bus_dma_segment_t	segs[1];
+	int			nsegs;
+	size_t			size;
+	struct coram_dma *	next;
+};
+
+struct coram_softc {
+	device_t		sc_dev;
+	device_t		sc_dtvdev;
+
+	bus_space_tag_t		sc_memt;
+	bus_space_handle_t	sc_memh;
+	bus_size_t		sc_mems;
+	bus_dma_tag_t		sc_dmat;
+
+	void *			sc_ih;
+
+	struct coram_iic_softc {
+		struct coram_softc *	cic_sc;
+		bus_space_handle_t	cic_regh;
+		struct i2c_controller	cic_i2c;
+		kmutex_t		cic_busmutex;
+	} sc_iic[3];
+
+	struct coram_sram_ch	sc_vidc_sch;
+
+	struct coram_dma *	sc_dma;
+	struct coram_dma *	sc_tsbuf;
+
+	uint32_t *		sc_riscbuf;
+	uint32_t		sc_riscbufsz;
+
+	void			*sc_tuner;
+	void			*sc_demod;
+
+	pci_vendor_id_t		sc_vendor;
+	pci_product_id_t	sc_product;
+};
+
+#endif /* !_DEV_PCI_CORAMVAR_H */
Index: src/sys/dev/pci/cx23885reg.h
diff -u /dev/null src/sys/dev/pci/cx23885reg.h:1.1
--- /dev/null	Thu Aug  4 14:43:55 2011
+++ src/sys/dev/pci/cx23885reg.h	Thu Aug  4 14:43:55 2011
@@ -0,0 +1,117 @@
+/* $NetBSD: cx23885reg.h,v 1.1 2011/08/04 14:43:55 jakllsch Exp $ */
+
+/*
+ * Copyright (c) 2008, 2011 Jonathan A. Kollasch
+ * All rights reserved.
+ *
+ * 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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 _DEV_PCI_CX23885REG_H
+#define _DEV_PCI_CX23885REG_H
+
+#include <dev/pci/pcireg.h>
+
+#define CX23885_MMBASE		PCI_BAR(0)
+
+/* misc. registers */
+
+#define DEV_CNTRL2		0x040000
+#define PCI_INT_MSK		0x040010
+#define PCI_INT_STAT		0x040014
+#define PCI_INT_MSTAT		0x040018
+
+#define VID_C_INT_MSK		0x040040
+#define VID_C_INT_STAT		0x040044
+#define VID_C_INT_MSTAT		0x040048
+#define VID_C_INT_SSTAT		0x04004c
+
+#define DMA5_PTR1		0x100010
+#define DMA5_PTR2		0x100050
+#define DMA5_CNT1		0x100090
+#define DMA5_CNT2		0x1000d0
+
+/* GPIO */
+#define GP0_IO			0x110010
+#define GPIO_ISM		0x110014
+#define SOFT_RESET		0x11001c
+
+#define PAD_CTRL		0x11004c
+
+/* Video C Interface */
+#define VID_C_GPCNT		0x130220
+#define VID_C_GPCNT_CTL		0x130230
+#define VBI_C_GPCNT_CTL		0x130234
+#define VID_C_DMA_CTL		0x130240
+#define VID_C_LNGTH		0x130250
+#define VID_C_HW_SOP_CTL	0x130254
+#define VID_C_GEN_CTL		0x130258
+#define VID_C_BD_PKT_STATUS	0x13025c
+#define VID_C_SOP_STATUS	0x130260
+#define VID_C_FIFO_OVFL_STAT	0x130264
+#define VID_C_VLD_MISC		0x130268
+#define VID_C_TS_CLK_EN		0x13026c
+
+/* serial controllers */
+#define I2C_BASE		0x180000
+#define I2C_SIZE		0x010000
+#define I2C_NUM			3
+
+/* RISC instructions */
+
+#define CX_RISC_WRITECR		0xd0000000
+#define CX_RISC_WRITECM		0xc0000000
+#define CX_RISC_WRITERM		0xb0000000
+#define CX_RISC_READC		0xa0000000
+#define CX_RISC_READ		0x90000000
+#define CX_RISC_SYNC		0x80000000
+#define CX_RISC_JUMP		0x70000000
+#define CX_RISC_WRITEC		0x50000000
+#define CX_RISC_SKIP		0x20000000
+#define CX_RISC_WRITE		0x10000000
+#define CX_RISC_SOL		0x08000000
+#define CX_RISC_EOL		0x04000000
+#define CX_RISC_IRQ2		0x02000000
+#define CX_RISC_IRQ1		0x01000000
+#define CX_RISC_IMM		0x00000001
+#define CX_RISC_SRP		0x00000001
+
+#define CX_CNT_CTL_NOOP		0x0
+#define CX_CNT_CTL_INCR		0x1
+#define CX_CNT_CTL_ZERO		0x3
+#define CX_RISC_CNT_CTL		__BITS(17,16)
+#define CX_RISC_CNT_CTL_NOOP	__SHIFTIN(CX_RISC_CNT_CTL,CX_CNT_CTL_NOOP)
+#define CX_RISC_CNT_CTL_INCR	__SHIFTIN(CX_RISC_CNT_CTL,CX_CNT_CTL_INCR)
+#define CX_RISC_CNT_CTL_ZERO	__SHIFTIN(CX_RISC_CNT_CTL,CX_CNT_CTL_ZERO)
+
+/* Channel Management Data Structure */
+/*  offsets */
+#define CMDS_O_IRPC		0x00
+#define CMDS_O_CDTB		0x08
+#define CMDS_O_CDTS		0x0c
+#define CMDS_O_IQB		0x10
+#define CMDS_O_IQS		0x14
+
+/*  bits */
+#define CMDS_IQS_ISRP		__BIT(31)
+
+#endif /* !_DEV_PCI_CX23885REG_H */

Reply via email to