Author: br
Date: Sun Feb 2 20:25:27 2014
New Revision: 261413
URL: http://svnweb.freebsd.org/changeset/base/261413
Log:
Add driver for Display Control Unit (DCU4).
Added:
head/sys/arm/freescale/vybrid/vf_dcu4.c (contents, props changed)
head/sys/arm/freescale/vybrid/vf_tcon.c (contents, props changed)
Modified:
head/sys/arm/conf/VYBRID.common
head/sys/arm/freescale/vybrid/files.vybrid
Modified: head/sys/arm/conf/VYBRID.common
==============================================================================
--- head/sys/arm/conf/VYBRID.common Sun Feb 2 20:21:53 2014
(r261412)
+++ head/sys/arm/conf/VYBRID.common Sun Feb 2 20:25:27 2014
(r261413)
@@ -137,3 +137,10 @@ device axe # ASIX
Electronics USB Eth
device bpf # Berkeley packet filter
device sound
+
+# Framebuffer
+device vt
+device kbdmux
+options SC_DFLT_FONT # compile font in
+makeoptions SC_DFLT_FONT=cp437
+device ukbd
Modified: head/sys/arm/freescale/vybrid/files.vybrid
==============================================================================
--- head/sys/arm/freescale/vybrid/files.vybrid Sun Feb 2 20:21:53 2014
(r261412)
+++ head/sys/arm/freescale/vybrid/files.vybrid Sun Feb 2 20:25:27 2014
(r261413)
@@ -21,6 +21,8 @@ arm/freescale/vybrid/vf_anadig.c standa
arm/freescale/vybrid/vf_iomuxc.c standard
arm/freescale/vybrid/vf_mscm.c standard
arm/freescale/vybrid/vf_src.c standard
+arm/freescale/vybrid/vf_tcon.c optional vt
+arm/freescale/vybrid/vf_dcu4.c optional vt
arm/freescale/vybrid/vf_nfc.c optional nand
arm/freescale/vybrid/vf_ehci.c optional ehci
arm/freescale/vybrid/vf_gpio.c optional gpio
Added: head/sys/arm/freescale/vybrid/vf_dcu4.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/arm/freescale/vybrid/vf_dcu4.c Sun Feb 2 20:25:27 2014
(r261413)
@@ -0,0 +1,359 @@
+/*-
+ * Copyright (c) 2014 Ruslan Bukin <b...@bsdpad.com>
+ * 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 AUTHOR 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 AUTHOR 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.
+ */
+
+/*
+ * Vybrid Family Display Control Unit (DCU4)
+ * Chapter 55, Vybrid Reference Manual, Rev. 5, 07/2013
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/malloc.h>
+#include <sys/rman.h>
+#include <sys/timeet.h>
+#include <sys/timetc.h>
+#include <sys/watchdog.h>
+#include <sys/fbio.h>
+#include <sys/consio.h>
+#include <sys/eventhandler.h>
+
+#include <dev/fdt/fdt_common.h>
+#include <dev/ofw/openfirm.h>
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <dev/vt/vt.h>
+#include <dev/vt/colors/vt_termcolors.h>
+
+#include <machine/bus.h>
+#include <machine/fdt.h>
+#include <machine/cpu.h>
+#include <machine/intr.h>
+
+#include "fb_if.h"
+
+#include <arm/freescale/vybrid/vf_common.h>
+
+#define DCU_CTRLDESCCURSOR1 0x000 /* Control Descriptor Cursor 1
*/
+#define DCU_CTRLDESCCURSOR2 0x004 /* Control Descriptor Cursor 2
*/
+#define DCU_CTRLDESCCURSOR3 0x008 /* Control Descriptor Cursor 3
*/
+#define DCU_CTRLDESCCURSOR4 0x00C /* Control Descriptor Cursor 4
*/
+#define DCU_DCU_MODE 0x010 /* DCU4 Mode */
+#define DCU_MODE_M 0x3
+#define DCU_MODE_S 0
+#define DCU_MODE_NORMAL 0x1
+#define DCU_MODE_TEST 0x2
+#define DCU_MODE_COLBAR 0x3
+#define RASTER_EN (1 << 14) /* Raster scan of pixel
data */
+#define DCU_BGND 0x014 /* Background */
+#define DCU_DISP_SIZE 0x018 /* Display Size */
+#define DELTA_M 0x7ff
+#define DELTA_Y_S 16
+#define DELTA_X_S 0
+#define DCU_HSYN_PARA 0x01C /* Horizontal Sync Parameter */
+#define BP_H_SHIFT 22
+#define PW_H_SHIFT 11
+#define FP_H_SHIFT 0
+#define DCU_VSYN_PARA 0x020 /* Vertical Sync Parameter */
+#define BP_V_SHIFT 22
+#define PW_V_SHIFT 11
+#define FP_V_SHIFT 0
+#define DCU_SYNPOL 0x024 /* Synchronize Polarity */
+#define INV_HS (1 << 0)
+#define INV_VS (1 << 1)
+#define DCU_THRESHOLD 0x028 /* Threshold */
+#define LS_BF_VS_SHIFT 16
+#define OUT_BUF_HIGH_SHIFT 8
+#define OUT_BUF_LOW_SHIFT 0
+#define DCU_INT_STATUS 0x02C /* Interrupt Status */
+#define DCU_INT_MASK 0x030 /* Interrupt Mask */
+#define DCU_COLBAR_1 0x034 /* COLBAR_1 */
+#define DCU_COLBAR_2 0x038 /* COLBAR_2 */
+#define DCU_COLBAR_3 0x03C /* COLBAR_3 */
+#define DCU_COLBAR_4 0x040 /* COLBAR_4 */
+#define DCU_COLBAR_5 0x044 /* COLBAR_5 */
+#define DCU_COLBAR_6 0x048 /* COLBAR_6 */
+#define DCU_COLBAR_7 0x04C /* COLBAR_7 */
+#define DCU_COLBAR_8 0x050 /* COLBAR_8 */
+#define DCU_DIV_RATIO 0x054 /* Divide Ratio */
+#define DCU_SIGN_CALC_1 0x058 /* Sign Calculation 1 */
+#define DCU_SIGN_CALC_2 0x05C /* Sign Calculation 2 */
+#define DCU_CRC_VAL 0x060 /* CRC Value */
+#define DCU_PDI_STATUS 0x064 /* PDI Status */
+#define DCU_PDI_STA_MSK 0x068 /* PDI Status Mask */
+#define DCU_PARR_ERR_STATUS1 0x06C /* Parameter Error Status 1 */
+#define DCU_PARR_ERR_STATUS2 0x070 /* Parameter Error Status 2 */
+#define DCU_PARR_ERR_STATUS3 0x07C /* Parameter Error Status 3 */
+#define DCU_MASK_PARR_ERR_ST1 0x080 /* Mask Parameter Error Status
1 */
+#define DCU_MASK_PARR_ERR_ST2 0x084 /* Mask Parameter Error Status
2 */
+#define DCU_MASK_PARR_ERR_ST3 0x090 /* Mask Parameter Error Status
3 */
+#define DCU_THRESHOLD_INP_BUF_1 0x094 /* Threshold Input 1 */
+#define DCU_THRESHOLD_INP_BUF_2 0x098 /* Threshold Input 2 */
+#define DCU_THRESHOLD_INP_BUF_3 0x09C /* Threshold Input 3 */
+#define DCU_LUMA_COMP 0x0A0 /* LUMA Component */
+#define DCU_CHROMA_RED 0x0A4 /* Red Chroma Components */
+#define DCU_CHROMA_GREEN 0x0A8 /* Green Chroma Components */
+#define DCU_CHROMA_BLUE 0x0AC /* Blue Chroma Components */
+#define DCU_CRC_POS 0x0B0 /* CRC Position */
+#define DCU_LYR_INTPOL_EN 0x0B4 /* Layer Interpolation Enable */
+#define DCU_LYR_LUMA_COMP 0x0B8 /* Layer Luminance Component */
+#define DCU_LYR_CHRM_RED 0x0BC /* Layer Chroma Red */
+#define DCU_LYR_CHRM_GRN 0x0C0 /* Layer Chroma Green */
+#define DCU_LYR_CHRM_BLUE 0x0C4 /* Layer Chroma Blue */
+#define DCU_COMP_IMSIZE 0x0C8 /* Compression Image Size */
+#define DCU_UPDATE_MODE 0x0CC /* Update Mode */
+#define READREG (1 << 30)
+#define MODE (1 << 31)
+#define DCU_UNDERRUN 0x0D0 /* Underrun */
+#define DCU_GLBL_PROTECT 0x100 /* Global Protection */
+#define DCU_SFT_LCK_BIT_L0 0x104 /* Soft Lock Bit Layer 0 */
+#define DCU_SFT_LCK_BIT_L1 0x108 /* Soft Lock Bit Layer 1 */
+#define DCU_SFT_LCK_DISP_SIZE 0x10C /* Soft Lock Display Size */
+#define DCU_SFT_LCK_HS_VS_PARA 0x110 /* Soft Lock Hsync/Vsync
Parameter */
+#define DCU_SFT_LCK_POL 0x114 /* Soft Lock POL */
+#define DCU_SFT_LCK_L0_TRANSP 0x118 /* Soft Lock L0 Transparency */
+#define DCU_SFT_LCK_L1_TRANSP 0x11C /* Soft Lock L1 Transparency */
+
+/* Control Descriptor */
+#define DCU_CTRLDESCL(n, m) 0x200 + (0x40 * n) + 0x4 * (m - 1)
+#define DCU_CTRLDESCLn_1(n) DCU_CTRLDESCL(n, 1)
+#define DCU_CTRLDESCLn_2(n) DCU_CTRLDESCL(n, 2)
+#define DCU_CTRLDESCLn_3(n) DCU_CTRLDESCL(n, 3)
+#define TRANS_SHIFT 20
+#define DCU_CTRLDESCLn_4(n) DCU_CTRLDESCL(n, 4)
+#define BPP_MASK 0xf /* Bit per pixel Mask */
+#define BPP_SHIFT 16 /* Bit per pixel Shift
*/
+#define BPP24 0x5
+#define EN_LAYER (1 << 31) /* Enable the layer */
+#define DCU_CTRLDESCLn_5(n) DCU_CTRLDESCL(n, 5)
+#define DCU_CTRLDESCLn_6(n) DCU_CTRLDESCL(n, 6)
+#define DCU_CTRLDESCLn_7(n) DCU_CTRLDESCL(n, 7)
+#define DCU_CTRLDESCLn_8(n) DCU_CTRLDESCL(n, 8)
+#define DCU_CTRLDESCLn_9(n) DCU_CTRLDESCL(n, 9)
+
+#define DISPLAY_WIDTH 480
+#define DISPLAY_HEIGHT 272
+
+struct dcu_softc {
+ struct resource *res[2];
+ bus_space_tag_t bst;
+ bus_space_handle_t bsh;
+ void *ih;
+ device_t dev;
+ device_t sc_fbd; /* fbd child */
+ struct fb_info sc_info;
+};
+
+static struct resource_spec dcu_spec[] = {
+ { SYS_RES_MEMORY, 0, RF_ACTIVE },
+ { SYS_RES_IRQ, 0, RF_ACTIVE },
+ { -1, 0 }
+};
+
+static int
+dcu_probe(device_t dev)
+{
+
+ if (!ofw_bus_status_okay(dev))
+ return (ENXIO);
+
+ if (!ofw_bus_is_compatible(dev, "fsl,mvf600-dcu4"))
+ return (ENXIO);
+
+ device_set_desc(dev, "Vybrid Family Display Control Unit (DCU4)");
+ return (BUS_PROBE_DEFAULT);
+}
+
+static void
+dcu_intr(void *arg)
+{
+ struct dcu_softc *sc;
+ int reg;
+
+ sc = arg;
+
+ /* Ack interrupts */
+ reg = READ4(sc, DCU_INT_STATUS);
+ WRITE4(sc, DCU_INT_STATUS, reg);
+
+ /* TODO interrupt handler */
+}
+
+static int
+dcu_init(struct dcu_softc *sc)
+{
+ int reg;
+
+ /* Configure DCU */
+ reg = ((sc->sc_info.fb_height) << DELTA_Y_S);
+ reg |= (sc->sc_info.fb_width / 16);
+ WRITE4(sc, DCU_DISP_SIZE, reg);
+
+ /* TODO: export panel info to FDT */
+
+ reg = (2 << BP_H_SHIFT);
+ reg |= (41 << PW_H_SHIFT);
+ reg |= (2 << FP_H_SHIFT);
+ WRITE4(sc, DCU_HSYN_PARA, reg);
+
+ reg = (2 << BP_V_SHIFT);
+ reg |= (10 << PW_V_SHIFT);
+ reg |= (2 << FP_V_SHIFT);
+ WRITE4(sc, DCU_VSYN_PARA, reg);
+
+ WRITE4(sc, DCU_BGND, 0);
+ WRITE4(sc, DCU_DIV_RATIO, 30);
+
+ reg = (INV_VS | INV_HS);
+ WRITE4(sc, DCU_SYNPOL, reg);
+
+ reg = (0x3 << LS_BF_VS_SHIFT);
+ reg |= (0x78 << OUT_BUF_HIGH_SHIFT);
+ reg |= (0 << OUT_BUF_LOW_SHIFT);
+ WRITE4(sc, DCU_THRESHOLD, reg);
+
+ /* Mask all the interrupts */
+ WRITE4(sc, DCU_INT_MASK, 0xffffffff);
+
+ /* Setup first layer */
+ reg = (sc->sc_info.fb_width | (sc->sc_info.fb_height << 16));
+ WRITE4(sc, DCU_CTRLDESCLn_1(0), reg);
+ WRITE4(sc, DCU_CTRLDESCLn_2(0), 0x0);
+ WRITE4(sc, DCU_CTRLDESCLn_3(0), sc->sc_info.fb_pbase);
+ reg = (BPP24 << BPP_SHIFT);
+ reg |= EN_LAYER;
+ reg |= (0xFF << TRANS_SHIFT); /* completely opaque */
+ WRITE4(sc, DCU_CTRLDESCLn_4(0), reg);
+ WRITE4(sc, DCU_CTRLDESCLn_5(0), 0xffffff);
+ WRITE4(sc, DCU_CTRLDESCLn_6(0), 0x0);
+ WRITE4(sc, DCU_CTRLDESCLn_7(0), 0x0);
+ WRITE4(sc, DCU_CTRLDESCLn_8(0), 0x0);
+ WRITE4(sc, DCU_CTRLDESCLn_9(0), 0x0);
+
+ /* Enable DCU in normal mode */
+ reg = READ4(sc, DCU_DCU_MODE);
+ reg &= ~(DCU_MODE_M << DCU_MODE_S);
+ reg |= (DCU_MODE_NORMAL << DCU_MODE_S);
+ reg |= (RASTER_EN);
+ WRITE4(sc, DCU_DCU_MODE, reg);
+ WRITE4(sc, DCU_UPDATE_MODE, READREG);
+
+ return (0);
+}
+
+static int
+dcu_attach(device_t dev)
+{
+ struct dcu_softc *sc;
+ int err;
+
+ sc = device_get_softc(dev);
+
+ if (bus_alloc_resources(dev, dcu_spec, sc->res)) {
+ device_printf(dev, "could not allocate resources\n");
+ return (ENXIO);
+ }
+
+ /* Memory interface */
+ sc->bst = rman_get_bustag(sc->res[0]);
+ sc->bsh = rman_get_bushandle(sc->res[0]);
+
+ /* Setup interrupt handler */
+ err = bus_setup_intr(dev, sc->res[1], INTR_TYPE_BIO | INTR_MPSAFE,
+ NULL, dcu_intr, sc, &sc->ih);
+ if (err) {
+ device_printf(dev, "Unable to alloc interrupt resource.\n");
+ return (ENXIO);
+ }
+
+ /* Bypass timing control (used for raw lcd panels) */
+ tcon_bypass();
+
+ sc->sc_info.fb_width = DISPLAY_WIDTH;
+ sc->sc_info.fb_height = DISPLAY_HEIGHT;
+ sc->sc_info.fb_stride = sc->sc_info.fb_width * 3;
+ sc->sc_info.fb_bpp = sc->sc_info.fb_depth = 24;
+ sc->sc_info.fb_size = sc->sc_info.fb_height * sc->sc_info.fb_stride;
+ sc->sc_info.fb_vbase = (intptr_t)contigmalloc(sc->sc_info.fb_size,
+ M_DEVBUF, M_ZERO, 0, ~0, PAGE_SIZE, 0);
+ sc->sc_info.fb_pbase = (intptr_t)vtophys(sc->sc_info.fb_vbase);
+
+#if 0
+ printf("%dx%d [%d]\n", sc->sc_info.fb_width, sc->sc_info.fb_height,
+ sc->sc_info.fb_stride);
+ printf("pbase == 0x%08x\n", sc->sc_info.fb_pbase);
+#endif
+
+ memset((int8_t *)sc->sc_info.fb_vbase, 0x0, sc->sc_info.fb_size);
+
+ dcu_init(sc);
+
+ sc->sc_info.fb_name = device_get_nameunit(dev);
+
+ /* Ask newbus to attach framebuffer device to me. */
+ sc->sc_fbd = device_add_child(dev, "fbd", device_get_unit(dev));
+ if (sc->sc_fbd == NULL)
+ device_printf(dev, "Can't attach fbd device\n");
+
+ if (device_probe_and_attach(sc->sc_fbd) != 0) {
+ device_printf(sc->dev, "Failed to attach fbd device\n");
+ }
+
+ return (0);
+}
+
+static struct fb_info *
+dcu4_fb_getinfo(device_t dev)
+{
+ struct dcu_softc *sc = device_get_softc(dev);
+
+ return (&sc->sc_info);
+}
+
+static device_method_t dcu_methods[] = {
+ DEVMETHOD(device_probe, dcu_probe),
+ DEVMETHOD(device_attach, dcu_attach),
+
+ /* Framebuffer service methods */
+ DEVMETHOD(fb_getinfo, dcu4_fb_getinfo),
+ { 0, 0 }
+};
+
+static driver_t dcu_driver = {
+ "fb",
+ dcu_methods,
+ sizeof(struct dcu_softc),
+};
+
+static devclass_t dcu_devclass;
+
+DRIVER_MODULE(fb, simplebus, dcu_driver, dcu_devclass, 0, 0);
Added: head/sys/arm/freescale/vybrid/vf_tcon.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/arm/freescale/vybrid/vf_tcon.c Sun Feb 2 20:25:27 2014
(r261413)
@@ -0,0 +1,137 @@
+/*-
+ * Copyright (c) 2014 Ruslan Bukin <b...@bsdpad.com>
+ * 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 AUTHOR 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 AUTHOR 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.
+ */
+
+/*
+ * Vybrid Family Timing Controller (TCON)
+ * Chapter 58, Vybrid Reference Manual, Rev. 5, 07/2013
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/malloc.h>
+#include <sys/rman.h>
+#include <sys/timeet.h>
+#include <sys/timetc.h>
+#include <sys/watchdog.h>
+
+#include <dev/fdt/fdt_common.h>
+#include <dev/ofw/openfirm.h>
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <machine/bus.h>
+#include <machine/fdt.h>
+#include <machine/cpu.h>
+#include <machine/intr.h>
+
+#include <arm/freescale/vybrid/vf_common.h>
+
+#define TCON0_CTRL1 0x00
+
+struct tcon_softc {
+ struct resource *res[1];
+ bus_space_tag_t bst;
+ bus_space_handle_t bsh;
+};
+
+struct tcon_softc *tcon_sc;
+
+static struct resource_spec tcon_spec[] = {
+ { SYS_RES_MEMORY, 0, RF_ACTIVE },
+ { -1, 0 }
+};
+
+uint32_t
+tcon_bypass(void)
+{
+ struct tcon_softc *sc;
+
+ if (tcon_sc == NULL)
+ return (1);
+
+ sc = tcon_sc;
+
+ WRITE4(tcon_sc, TCON0_CTRL1, (1 << 29));
+
+ return (0);
+}
+
+static int
+tcon_probe(device_t dev)
+{
+
+ if (!ofw_bus_status_okay(dev))
+ return (ENXIO);
+
+ if (!ofw_bus_is_compatible(dev, "fsl,mvf600-tcon"))
+ return (ENXIO);
+
+ device_set_desc(dev, "Vybrid Family Timing Controller (TCON)");
+ return (BUS_PROBE_DEFAULT);
+}
+
+static int
+tcon_attach(device_t dev)
+{
+ struct tcon_softc *sc;
+
+ sc = device_get_softc(dev);
+
+ if (bus_alloc_resources(dev, tcon_spec, sc->res)) {
+ device_printf(dev, "could not allocate resources\n");
+ return (ENXIO);
+ }
+
+ /* Memory interface */
+ sc->bst = rman_get_bustag(sc->res[0]);
+ sc->bsh = rman_get_bushandle(sc->res[0]);
+
+ tcon_sc = sc;
+
+ return (0);
+}
+
+static device_method_t tcon_methods[] = {
+ DEVMETHOD(device_probe, tcon_probe),
+ DEVMETHOD(device_attach, tcon_attach),
+ { 0, 0 }
+};
+
+static driver_t tcon_driver = {
+ "tcon",
+ tcon_methods,
+ sizeof(struct tcon_softc),
+};
+
+static devclass_t tcon_devclass;
+
+DRIVER_MODULE(tcon, simplebus, tcon_driver, tcon_devclass, 0, 0);
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